[FFmpeg-cvslog] r8985 - in trunk: configure libavcodec/Makefile libavcodec/cabac.h libavcodec/h264.c libavcodec/h264.h libavcodec/h264_parser.c libavcodec/h264_parser.h

aurel subversion
Fri May 11 00:26:44 CEST 2007


Author: aurel
Date: Fri May 11 00:26:44 2007
New Revision: 8985

Log:
split h264.c to move parser in its own file

Added:
   trunk/libavcodec/h264.h
      - copied, changed from r8983, /trunk/libavcodec/h264.c
   trunk/libavcodec/h264_parser.c
      - copied, changed from r8983, /trunk/libavcodec/h264.c
   trunk/libavcodec/h264_parser.h
      - copied, changed from r8983, /trunk/libavcodec/h264.c
Modified:
   trunk/configure
   trunk/libavcodec/Makefile
   trunk/libavcodec/cabac.h
   trunk/libavcodec/h264.c

Modified: trunk/configure
==============================================================================
--- trunk/configure	(original)
+++ trunk/configure	Fri May 11 00:26:44 2007
@@ -679,6 +679,7 @@ flashsv_encoder_deps="zlib"
 flv_decoder_deps="h263_decoder"
 h263_decoder_deps="h263_parser mpeg4video_parser"
 h263i_decoder_deps="h263_decoder"
+h264_decoder_deps="h264_parser"
 mpeg_xvmc_decoder_deps="xvmc"
 mpeg4_decoder_deps="h263_decoder"
 msmpeg4v1_decoder_deps="h263_decoder"

Modified: trunk/libavcodec/Makefile
==============================================================================
--- trunk/libavcodec/Makefile	(original)
+++ trunk/libavcodec/Makefile	Fri May 11 00:26:44 2007
@@ -290,7 +290,7 @@ OBJS-$(CONFIG_DVBSUB_PARSER)           +
 OBJS-$(CONFIG_DVDSUB_PARSER)           += dvdsub_parser.o
 OBJS-$(CONFIG_H261_PARSER)             += h261_parser.o
 OBJS-$(CONFIG_H263_PARSER)             += h263_parser.o
-OBJS-$(CONFIG_H264_PARSER)             += h264.o
+OBJS-$(CONFIG_H264_PARSER)             += h264_parser.o
 OBJS-$(CONFIG_MJPEG_PARSER)            += mjpeg.o
 OBJS-$(CONFIG_MPEG4VIDEO_PARSER)       += mpeg4video_parser.o
 OBJS-$(CONFIG_MPEGAUDIO_PARSER)        += mpegaudio_parser.o

Modified: trunk/libavcodec/cabac.h
==============================================================================
--- trunk/libavcodec/cabac.h	(original)
+++ trunk/libavcodec/cabac.h	Fri May 11 00:26:44 2007
@@ -25,6 +25,10 @@
  * Context Adaptive Binary Arithmetic Coder.
  */
 
+#ifndef CABAC_H
+#define CABAC_H
+
+#include "bitstream.h"
 
 //#undef NDEBUG
 #include <assert.h>
@@ -857,3 +861,5 @@ static int get_cabac_ueg(CABACContext *c
     }else
         return i;
 }
+
+#endif /* CABAC_H */

Modified: trunk/libavcodec/h264.c
==============================================================================
--- trunk/libavcodec/h264.c	(original)
+++ trunk/libavcodec/h264.c	Fri May 11 00:26:44 2007
@@ -30,7 +30,9 @@
 #include "dsputil.h"
 #include "avcodec.h"
 #include "mpegvideo.h"
+#include "h264.h"
 #include "h264data.h"
+#include "h264_parser.h"
 #include "golomb.h"
 
 #include "cabac.h"
@@ -38,356 +40,6 @@
 //#undef NDEBUG
 #include <assert.h>
 
-#define interlaced_dct interlaced_dct_is_a_bad_name
-#define mb_intra mb_intra_isnt_initalized_see_mb_type
-
-#define LUMA_DC_BLOCK_INDEX   25
-#define CHROMA_DC_BLOCK_INDEX 26
-
-#define CHROMA_DC_COEFF_TOKEN_VLC_BITS 8
-#define COEFF_TOKEN_VLC_BITS           8
-#define TOTAL_ZEROS_VLC_BITS           9
-#define CHROMA_DC_TOTAL_ZEROS_VLC_BITS 3
-#define RUN_VLC_BITS                   3
-#define RUN7_VLC_BITS                  6
-
-#define MAX_SPS_COUNT 32
-#define MAX_PPS_COUNT 256
-
-#define MAX_MMCO_COUNT 66
-
-/* Compiling in interlaced support reduces the speed
- * of progressive decoding by about 2%. */
-#define ALLOW_INTERLACE
-
-#ifdef ALLOW_INTERLACE
-#define MB_MBAFF h->mb_mbaff
-#define MB_FIELD h->mb_field_decoding_flag
-#define FRAME_MBAFF h->mb_aff_frame
-#else
-#define MB_MBAFF 0
-#define MB_FIELD 0
-#define FRAME_MBAFF 0
-#undef  IS_INTERLACED
-#define IS_INTERLACED(mb_type) 0
-#endif
-
-/**
- * Sequence parameter set
- */
-typedef struct SPS{
-
-    int profile_idc;
-    int level_idc;
-    int transform_bypass;              ///< qpprime_y_zero_transform_bypass_flag
-    int log2_max_frame_num;            ///< log2_max_frame_num_minus4 + 4
-    int poc_type;                      ///< pic_order_cnt_type
-    int log2_max_poc_lsb;              ///< log2_max_pic_order_cnt_lsb_minus4
-    int delta_pic_order_always_zero_flag;
-    int offset_for_non_ref_pic;
-    int offset_for_top_to_bottom_field;
-    int poc_cycle_length;              ///< num_ref_frames_in_pic_order_cnt_cycle
-    int ref_frame_count;               ///< num_ref_frames
-    int gaps_in_frame_num_allowed_flag;
-    int mb_width;                      ///< frame_width_in_mbs_minus1 + 1
-    int mb_height;                     ///< frame_height_in_mbs_minus1 + 1
-    int frame_mbs_only_flag;
-    int mb_aff;                        ///<mb_adaptive_frame_field_flag
-    int direct_8x8_inference_flag;
-    int crop;                   ///< frame_cropping_flag
-    int crop_left;              ///< frame_cropping_rect_left_offset
-    int crop_right;             ///< frame_cropping_rect_right_offset
-    int crop_top;               ///< frame_cropping_rect_top_offset
-    int crop_bottom;            ///< frame_cropping_rect_bottom_offset
-    int vui_parameters_present_flag;
-    AVRational sar;
-    int timing_info_present_flag;
-    uint32_t num_units_in_tick;
-    uint32_t time_scale;
-    int fixed_frame_rate_flag;
-    short offset_for_ref_frame[256]; //FIXME dyn aloc?
-    int bitstream_restriction_flag;
-    int num_reorder_frames;
-    int scaling_matrix_present;
-    uint8_t scaling_matrix4[6][16];
-    uint8_t scaling_matrix8[2][64];
-}SPS;
-
-/**
- * Picture parameter set
- */
-typedef struct PPS{
-    unsigned int sps_id;
-    int cabac;                  ///< entropy_coding_mode_flag
-    int pic_order_present;      ///< pic_order_present_flag
-    int slice_group_count;      ///< num_slice_groups_minus1 + 1
-    int mb_slice_group_map_type;
-    unsigned int ref_count[2];  ///< num_ref_idx_l0/1_active_minus1 + 1
-    int weighted_pred;          ///< weighted_pred_flag
-    int weighted_bipred_idc;
-    int init_qp;                ///< pic_init_qp_minus26 + 26
-    int init_qs;                ///< pic_init_qs_minus26 + 26
-    int chroma_qp_index_offset;
-    int deblocking_filter_parameters_present; ///< deblocking_filter_parameters_present_flag
-    int constrained_intra_pred; ///< constrained_intra_pred_flag
-    int redundant_pic_cnt_present; ///< redundant_pic_cnt_present_flag
-    int transform_8x8_mode;     ///< transform_8x8_mode_flag
-    uint8_t scaling_matrix4[6][16];
-    uint8_t scaling_matrix8[2][64];
-}PPS;
-
-/**
- * Memory management control operation opcode.
- */
-typedef enum MMCOOpcode{
-    MMCO_END=0,
-    MMCO_SHORT2UNUSED,
-    MMCO_LONG2UNUSED,
-    MMCO_SHORT2LONG,
-    MMCO_SET_MAX_LONG,
-    MMCO_RESET,
-    MMCO_LONG,
-} MMCOOpcode;
-
-/**
- * Memory management control operation.
- */
-typedef struct MMCO{
-    MMCOOpcode opcode;
-    int short_frame_num;
-    int long_index;
-} MMCO;
-
-/**
- * H264Context
- */
-typedef struct H264Context{
-    MpegEncContext s;
-    int nal_ref_idc;
-    int nal_unit_type;
-    uint8_t *rbsp_buffer;
-    unsigned int rbsp_buffer_size;
-
-    /**
-      * Used to parse AVC variant of h264
-      */
-    int is_avc; ///< this flag is != 0 if codec is avc1
-    int got_avcC; ///< flag used to parse avcC data only once
-    int nal_length_size; ///< Number of bytes used for nal length (1, 2 or 4)
-
-    int chroma_qp; //QPc
-
-    int prev_mb_skipped;
-    int next_mb_skipped;
-
-    //prediction stuff
-    int chroma_pred_mode;
-    int intra16x16_pred_mode;
-
-    int top_mb_xy;
-    int left_mb_xy[2];
-
-    int8_t intra4x4_pred_mode_cache[5*8];
-    int8_t (*intra4x4_pred_mode)[8];
-    void (*pred4x4  [9+3])(uint8_t *src, uint8_t *topright, int stride);//FIXME move to dsp?
-    void (*pred8x8l [9+3])(uint8_t *src, int topleft, int topright, int stride);
-    void (*pred8x8  [4+3])(uint8_t *src, int stride);
-    void (*pred16x16[4+3])(uint8_t *src, int stride);
-    unsigned int topleft_samples_available;
-    unsigned int top_samples_available;
-    unsigned int topright_samples_available;
-    unsigned int left_samples_available;
-    uint8_t (*top_borders[2])[16+2*8];
-    uint8_t left_border[2*(17+2*9)];
-
-    /**
-     * non zero coeff count cache.
-     * is 64 if not available.
-     */
-    DECLARE_ALIGNED_8(uint8_t, non_zero_count_cache[6*8]);
-    uint8_t (*non_zero_count)[16];
-
-    /**
-     * Motion vector cache.
-     */
-    DECLARE_ALIGNED_8(int16_t, mv_cache[2][5*8][2]);
-    DECLARE_ALIGNED_8(int8_t, ref_cache[2][5*8]);
-#define LIST_NOT_USED -1 //FIXME rename?
-#define PART_NOT_AVAILABLE -2
-
-    /**
-     * is 1 if the specific list MV&references are set to 0,0,-2.
-     */
-    int mv_cache_clean[2];
-
-    /**
-     * number of neighbors (top and/or left) that used 8x8 dct
-     */
-    int neighbor_transform_size;
-
-    /**
-     * block_offset[ 0..23] for frame macroblocks
-     * block_offset[24..47] for field macroblocks
-     */
-    int block_offset[2*(16+8)];
-
-    uint32_t *mb2b_xy; //FIXME are these 4 a good idea?
-    uint32_t *mb2b8_xy;
-    int b_stride; //FIXME use s->b4_stride
-    int b8_stride;
-
-    int mb_linesize;   ///< may be equal to s->linesize or s->linesize*2, for mbaff
-    int mb_uvlinesize;
-
-    int emu_edge_width;
-    int emu_edge_height;
-
-    int halfpel_flag;
-    int thirdpel_flag;
-
-    int unknown_svq3_flag;
-    int next_slice_index;
-
-    SPS sps_buffer[MAX_SPS_COUNT];
-    SPS sps; ///< current sps
-
-    PPS pps_buffer[MAX_PPS_COUNT];
-    /**
-     * current pps
-     */
-    PPS pps; //FIXME move to Picture perhaps? (->no) do we need that?
-
-    uint32_t dequant4_buffer[6][52][16];
-    uint32_t dequant8_buffer[2][52][64];
-    uint32_t (*dequant4_coeff[6])[16];
-    uint32_t (*dequant8_coeff[2])[64];
-    int dequant_coeff_pps;     ///< reinit tables when pps changes
-
-    int slice_num;
-    uint8_t *slice_table_base;
-    uint8_t *slice_table;      ///< slice_table_base + 2*mb_stride + 1
-    int slice_type;
-    int slice_type_fixed;
-
-    //interlacing specific flags
-    int mb_aff_frame;
-    int mb_field_decoding_flag;
-    int mb_mbaff;              ///< mb_aff_frame && mb_field_decoding_flag
-
-    unsigned int sub_mb_type[4];
-
-    //POC stuff
-    int poc_lsb;
-    int poc_msb;
-    int delta_poc_bottom;
-    int delta_poc[2];
-    int frame_num;
-    int prev_poc_msb;             ///< poc_msb of the last reference pic for POC type 0
-    int prev_poc_lsb;             ///< poc_lsb of the last reference pic for POC type 0
-    int frame_num_offset;         ///< for POC type 2
-    int prev_frame_num_offset;    ///< for POC type 2
-    int prev_frame_num;           ///< frame_num of the last pic for POC type 1/2
-
-    /**
-     * frame_num for frames or 2*frame_num for field pics.
-     */
-    int curr_pic_num;
-
-    /**
-     * max_frame_num or 2*max_frame_num for field pics.
-     */
-    int max_pic_num;
-
-    //Weighted pred stuff
-    int use_weight;
-    int use_weight_chroma;
-    int luma_log2_weight_denom;
-    int chroma_log2_weight_denom;
-    int luma_weight[2][48];
-    int luma_offset[2][48];
-    int chroma_weight[2][48][2];
-    int chroma_offset[2][48][2];
-    int implicit_weight[48][48];
-
-    //deblock
-    int deblocking_filter;         ///< disable_deblocking_filter_idc with 1<->0
-    int slice_alpha_c0_offset;
-    int slice_beta_offset;
-
-    int redundant_pic_count;
-
-    int direct_spatial_mv_pred;
-    int dist_scale_factor[16];
-    int dist_scale_factor_field[32];
-    int map_col_to_list0[2][16];
-    int map_col_to_list0_field[2][32];
-
-    /**
-     * num_ref_idx_l0/1_active_minus1 + 1
-     */
-    unsigned int ref_count[2];   ///< counts frames or fields, depending on current mb mode
-    unsigned int list_count;
-    Picture *short_ref[32];
-    Picture *long_ref[32];
-    Picture default_ref_list[2][32];
-    Picture ref_list[2][48];     ///< 0..15: frame refs, 16..47: mbaff field refs
-    Picture *delayed_pic[18]; //FIXME size?
-    Picture *delayed_output_pic;
-
-    /**
-     * memory management control operations buffer.
-     */
-    MMCO mmco[MAX_MMCO_COUNT];
-    int mmco_index;
-
-    int long_ref_count;  ///< number of actual long term references
-    int short_ref_count; ///< number of actual short term references
-
-    //data partitioning
-    GetBitContext intra_gb;
-    GetBitContext inter_gb;
-    GetBitContext *intra_gb_ptr;
-    GetBitContext *inter_gb_ptr;
-
-    DECLARE_ALIGNED_8(DCTELEM, mb[16*24]);
-    DCTELEM mb_padding[256];        ///< as mb is addressed by scantable[i] and scantable is uint8_t we can either check that i is not to large or ensure that there is some unused stuff after mb
-
-    /**
-     * Cabac
-     */
-    CABACContext cabac;
-    uint8_t      cabac_state[460];
-    int          cabac_init_idc;
-
-    /* 0x100 -> non null luma_dc, 0x80/0x40 -> non null chroma_dc (cb/cr), 0x?0 -> chroma_cbp(0,1,2), 0x0? luma_cbp */
-    uint16_t     *cbp_table;
-    int cbp;
-    int top_cbp;
-    int left_cbp;
-    /* chroma_pred_mode for i4x4 or i16x16, else 0 */
-    uint8_t     *chroma_pred_mode_table;
-    int         last_qscale_diff;
-    int16_t     (*mvd_table[2])[2];
-    DECLARE_ALIGNED_8(int16_t, mvd_cache[2][5*8][2]);
-    uint8_t     *direct_table;
-    uint8_t     direct_cache[5*8];
-
-    uint8_t zigzag_scan[16];
-    uint8_t zigzag_scan8x8[64];
-    uint8_t zigzag_scan8x8_cavlc[64];
-    uint8_t field_scan[16];
-    uint8_t field_scan8x8[64];
-    uint8_t field_scan8x8_cavlc[64];
-    const uint8_t *zigzag_scan_q0;
-    const uint8_t *zigzag_scan8x8_q0;
-    const uint8_t *zigzag_scan8x8_cavlc_q0;
-    const uint8_t *field_scan_q0;
-    const uint8_t *field_scan8x8_q0;
-    const uint8_t *field_scan8x8_cavlc_q0;
-
-    int x264_build;
-}H264Context;
-
 static VLC coeff_token_vlc[4];
 static VLC chroma_dc_coeff_token_vlc;
 
@@ -7982,117 +7634,6 @@ static inline int decode_picture_paramet
     return 0;
 }
 
-/**
- * finds the end of the current frame in the bitstream.
- * @return the position of the first byte of the next frame, or -1
- */
-static int find_frame_end(H264Context *h, const uint8_t *buf, int buf_size){
-    int i;
-    uint32_t state;
-    ParseContext *pc = &(h->s.parse_context);
-//printf("first %02X%02X%02X%02X\n", buf[0], buf[1],buf[2],buf[3]);
-//    mb_addr= pc->mb_addr - 1;
-    state= pc->state;
-    if(state>13)
-        state= 7;
-
-    for(i=0; i<buf_size; i++){
-        if(state==7){
-            for(; i<buf_size; i++){
-                if(!buf[i]){
-                    state=2;
-                    break;
-                }
-            }
-        }else if(state<=2){
-            if(buf[i]==1)   state^= 5; //2->7, 1->4, 0->5
-            else if(buf[i]) state = 7;
-            else            state>>=1; //2->1, 1->0, 0->0
-        }else if(state<=5){
-            int v= buf[i] & 0x1F;
-            if(v==7 || v==8 || v==9){
-                if(pc->frame_start_found){
-                    i++;
-found:
-                    pc->state=7;
-                    pc->frame_start_found= 0;
-                    return i-(state&5);
-                }
-            }else if(v==1 || v==2 || v==5){
-                if(pc->frame_start_found){
-                    state+=8;
-                    continue;
-                }else
-                    pc->frame_start_found = 1;
-            }
-            state= 7;
-        }else{
-            if(buf[i] & 0x80)
-                goto found;
-            state= 7;
-        }
-    }
-    pc->state= state;
-    return END_NOT_FOUND;
-}
-
-#ifdef CONFIG_H264_PARSER
-static int h264_parse(AVCodecParserContext *s,
-                      AVCodecContext *avctx,
-                      const uint8_t **poutbuf, int *poutbuf_size,
-                      const uint8_t *buf, int buf_size)
-{
-    H264Context *h = s->priv_data;
-    ParseContext *pc = &h->s.parse_context;
-    int next;
-
-    if(s->flags & PARSER_FLAG_COMPLETE_FRAMES){
-        next= buf_size;
-    }else{
-        next= find_frame_end(h, buf, buf_size);
-
-        if (ff_combine_frame(pc, next, &buf, &buf_size) < 0) {
-            *poutbuf = NULL;
-            *poutbuf_size = 0;
-            return buf_size;
-        }
-
-        if(next<0 && next != END_NOT_FOUND){
-            assert(pc->last_index + next >= 0 );
-            find_frame_end(h, &pc->buffer[pc->last_index + next], -next); //update state
-        }
-    }
-
-    *poutbuf = buf;
-    *poutbuf_size = buf_size;
-    return next;
-}
-
-static int h264_split(AVCodecContext *avctx,
-                      const uint8_t *buf, int buf_size)
-{
-    int i;
-    uint32_t state = -1;
-    int has_sps= 0;
-
-    for(i=0; i<=buf_size; i++){
-        if((state&0xFFFFFF1F) == 0x107)
-            has_sps=1;
-/*        if((state&0xFFFFFF1F) == 0x101 || (state&0xFFFFFF1F) == 0x102 || (state&0xFFFFFF1F) == 0x105){
-        }*/
-        if((state&0xFFFFFF00) == 0x100 && (state&0xFFFFFF1F) != 0x107 && (state&0xFFFFFF1F) != 0x108 && (state&0xFFFFFF1F) != 0x109){
-            if(has_sps){
-                while(i>4 && buf[i-5]==0) i--;
-                return i-4;
-            }
-        }
-        if (i<buf_size)
-            state= (state<<8) | buf[i];
-    }
-    return 0;
-}
-#endif /* CONFIG_H264_PARSER */
-
 static int decode_nal_units(H264Context *h, uint8_t *buf, int buf_size){
     MpegEncContext * const s = &h->s;
     AVCodecContext * const avctx= s->avctx;
@@ -8301,7 +7842,7 @@ static int decode_frame(AVCodecContext *
     }
 
     if(s->flags&CODEC_FLAG_TRUNCATED){
-        int next= find_frame_end(h, buf, buf_size);
+        int next= ff_h264_find_frame_end(h, buf, buf_size);
 
         if( ff_combine_frame(&s->parse_context, next, (const uint8_t **)&buf, &buf_size) < 0 )
             return buf_size;
@@ -8692,15 +8233,4 @@ AVCodec h264_decoder = {
     .flush= flush_dpb,
 };
 
-#ifdef CONFIG_H264_PARSER
-AVCodecParser h264_parser = {
-    { CODEC_ID_H264 },
-    sizeof(H264Context),
-    NULL,
-    h264_parse,
-    ff_parse_close,
-    h264_split,
-};
-#endif
-
 #include "svq3.c"

Copied: trunk/libavcodec/h264.h (from r8983, /trunk/libavcodec/h264.c)
==============================================================================
--- /trunk/libavcodec/h264.c	(original)
+++ trunk/libavcodec/h264.h	Fri May 11 00:26:44 2007
@@ -21,22 +21,17 @@
  */
 
 /**
- * @file h264.c
+ * @file h264.h
  * H.264 / AVC / MPEG4 part10 codec.
  * @author Michael Niedermayer <michaelni at gmx.at>
  */
 
-#include "common.h"
-#include "dsputil.h"
-#include "avcodec.h"
-#include "mpegvideo.h"
-#include "h264data.h"
-#include "golomb.h"
+#ifndef H264_H
+#define H264_H
 
+#include "dsputil.h"
 #include "cabac.h"
-
-//#undef NDEBUG
-#include <assert.h>
+#include "mpegvideo.h"
 
 #define interlaced_dct interlaced_dct_is_a_bad_name
 #define mb_intra mb_intra_isnt_initalized_see_mb_type
@@ -388,8319 +383,4 @@ typedef struct H264Context{
     int x264_build;
 }H264Context;
 
-static VLC coeff_token_vlc[4];
-static VLC chroma_dc_coeff_token_vlc;
-
-static VLC total_zeros_vlc[15];
-static VLC chroma_dc_total_zeros_vlc[3];
-
-static VLC run_vlc[6];
-static VLC run7_vlc;
-
-static void svq3_luma_dc_dequant_idct_c(DCTELEM *block, int qp);
-static void svq3_add_idct_c(uint8_t *dst, DCTELEM *block, int stride, int qp, int dc);
-static void filter_mb( H264Context *h, int mb_x, int mb_y, uint8_t *img_y, uint8_t *img_cb, uint8_t *img_cr, unsigned int linesize, unsigned int uvlinesize);
-static void filter_mb_fast( H264Context *h, int mb_x, int mb_y, uint8_t *img_y, uint8_t *img_cb, uint8_t *img_cr, unsigned int linesize, unsigned int uvlinesize);
-
-static av_always_inline uint32_t pack16to32(int a, int b){
-#ifdef WORDS_BIGENDIAN
-   return (b&0xFFFF) + (a<<16);
-#else
-   return (a&0xFFFF) + (b<<16);
-#endif
-}
-
-const uint8_t ff_rem6[52]={
-0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3,
-};
-
-const uint8_t ff_div6[52]={
-0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 8, 8, 8, 8,
-};
-
-
-/**
- * fill a rectangle.
- * @param h height of the rectangle, should be a constant
- * @param w width of the rectangle, should be a constant
- * @param size the size of val (1 or 4), should be a constant
- */
-static av_always_inline void fill_rectangle(void *vp, int w, int h, int stride, uint32_t val, int size){
-    uint8_t *p= (uint8_t*)vp;
-    assert(size==1 || size==4);
-    assert(w<=4);
-
-    w      *= size;
-    stride *= size;
-
-    assert((((long)vp)&(FFMIN(w, STRIDE_ALIGN)-1)) == 0);
-    assert((stride&(w-1))==0);
-    if(w==2){
-        const uint16_t v= size==4 ? val : val*0x0101;
-        *(uint16_t*)(p + 0*stride)= v;
-        if(h==1) return;
-        *(uint16_t*)(p + 1*stride)= v;
-        if(h==2) return;
-        *(uint16_t*)(p + 2*stride)=
-        *(uint16_t*)(p + 3*stride)= v;
-    }else if(w==4){
-        const uint32_t v= size==4 ? val : val*0x01010101;
-        *(uint32_t*)(p + 0*stride)= v;
-        if(h==1) return;
-        *(uint32_t*)(p + 1*stride)= v;
-        if(h==2) return;
-        *(uint32_t*)(p + 2*stride)=
-        *(uint32_t*)(p + 3*stride)= v;
-    }else if(w==8){
-    //gcc can't optimize 64bit math on x86_32
-#if defined(ARCH_X86_64) || (defined(MP_WORDSIZE) && MP_WORDSIZE >= 64)
-        const uint64_t v= val*0x0100000001ULL;
-        *(uint64_t*)(p + 0*stride)= v;
-        if(h==1) return;
-        *(uint64_t*)(p + 1*stride)= v;
-        if(h==2) return;
-        *(uint64_t*)(p + 2*stride)=
-        *(uint64_t*)(p + 3*stride)= v;
-    }else if(w==16){
-        const uint64_t v= val*0x0100000001ULL;
-        *(uint64_t*)(p + 0+0*stride)=
-        *(uint64_t*)(p + 8+0*stride)=
-        *(uint64_t*)(p + 0+1*stride)=
-        *(uint64_t*)(p + 8+1*stride)= v;
-        if(h==2) return;
-        *(uint64_t*)(p + 0+2*stride)=
-        *(uint64_t*)(p + 8+2*stride)=
-        *(uint64_t*)(p + 0+3*stride)=
-        *(uint64_t*)(p + 8+3*stride)= v;
-#else
-        *(uint32_t*)(p + 0+0*stride)=
-        *(uint32_t*)(p + 4+0*stride)= val;
-        if(h==1) return;
-        *(uint32_t*)(p + 0+1*stride)=
-        *(uint32_t*)(p + 4+1*stride)= val;
-        if(h==2) return;
-        *(uint32_t*)(p + 0+2*stride)=
-        *(uint32_t*)(p + 4+2*stride)=
-        *(uint32_t*)(p + 0+3*stride)=
-        *(uint32_t*)(p + 4+3*stride)= val;
-    }else if(w==16){
-        *(uint32_t*)(p + 0+0*stride)=
-        *(uint32_t*)(p + 4+0*stride)=
-        *(uint32_t*)(p + 8+0*stride)=
-        *(uint32_t*)(p +12+0*stride)=
-        *(uint32_t*)(p + 0+1*stride)=
-        *(uint32_t*)(p + 4+1*stride)=
-        *(uint32_t*)(p + 8+1*stride)=
-        *(uint32_t*)(p +12+1*stride)= val;
-        if(h==2) return;
-        *(uint32_t*)(p + 0+2*stride)=
-        *(uint32_t*)(p + 4+2*stride)=
-        *(uint32_t*)(p + 8+2*stride)=
-        *(uint32_t*)(p +12+2*stride)=
-        *(uint32_t*)(p + 0+3*stride)=
-        *(uint32_t*)(p + 4+3*stride)=
-        *(uint32_t*)(p + 8+3*stride)=
-        *(uint32_t*)(p +12+3*stride)= val;
-#endif
-    }else
-        assert(0);
-    assert(h==4);
-}
-
-static void fill_caches(H264Context *h, int mb_type, int for_deblock){
-    MpegEncContext * const s = &h->s;
-    const int mb_xy= s->mb_x + s->mb_y*s->mb_stride;
-    int topleft_xy, top_xy, topright_xy, left_xy[2];
-    int topleft_type, top_type, topright_type, left_type[2];
-    int left_block[8];
-    int i;
-
-    //FIXME deblocking could skip the intra and nnz parts.
-    if(for_deblock && (h->slice_num == 1 || h->slice_table[mb_xy] == h->slice_table[mb_xy-s->mb_stride]) && !FRAME_MBAFF)
-        return;
-
-    //wow what a mess, why didn't they simplify the interlacing&intra stuff, i can't imagine that these complex rules are worth it
-
-    top_xy     = mb_xy  - s->mb_stride;
-    topleft_xy = top_xy - 1;
-    topright_xy= top_xy + 1;
-    left_xy[1] = left_xy[0] = mb_xy-1;
-    left_block[0]= 0;
-    left_block[1]= 1;
-    left_block[2]= 2;
-    left_block[3]= 3;
-    left_block[4]= 7;
-    left_block[5]= 10;
-    left_block[6]= 8;
-    left_block[7]= 11;
-    if(FRAME_MBAFF){
-        const int pair_xy          = s->mb_x     + (s->mb_y & ~1)*s->mb_stride;
-        const int top_pair_xy      = pair_xy     - s->mb_stride;
-        const int topleft_pair_xy  = top_pair_xy - 1;
-        const int topright_pair_xy = top_pair_xy + 1;
-        const int topleft_mb_frame_flag  = !IS_INTERLACED(s->current_picture.mb_type[topleft_pair_xy]);
-        const int top_mb_frame_flag      = !IS_INTERLACED(s->current_picture.mb_type[top_pair_xy]);
-        const int topright_mb_frame_flag = !IS_INTERLACED(s->current_picture.mb_type[topright_pair_xy]);
-        const int left_mb_frame_flag = !IS_INTERLACED(s->current_picture.mb_type[pair_xy-1]);
-        const int curr_mb_frame_flag = !IS_INTERLACED(mb_type);
-        const int bottom = (s->mb_y & 1);
-        tprintf(s->avctx, "fill_caches: curr_mb_frame_flag:%d, left_mb_frame_flag:%d, topleft_mb_frame_flag:%d, top_mb_frame_flag:%d, topright_mb_frame_flag:%d\n", curr_mb_frame_flag, left_mb_frame_flag, topleft_mb_frame_flag, top_mb_frame_flag, topright_mb_frame_flag);
-        if (bottom
-                ? !curr_mb_frame_flag // bottom macroblock
-                : (!curr_mb_frame_flag && !top_mb_frame_flag) // top macroblock
-                ) {
-            top_xy -= s->mb_stride;
-        }
-        if (bottom
-                ? !curr_mb_frame_flag // bottom macroblock
-                : (!curr_mb_frame_flag && !topleft_mb_frame_flag) // top macroblock
-                ) {
-            topleft_xy -= s->mb_stride;
-        }
-        if (bottom
-                ? !curr_mb_frame_flag // bottom macroblock
-                : (!curr_mb_frame_flag && !topright_mb_frame_flag) // top macroblock
-                ) {
-            topright_xy -= s->mb_stride;
-        }
-        if (left_mb_frame_flag != curr_mb_frame_flag) {
-            left_xy[1] = left_xy[0] = pair_xy - 1;
-            if (curr_mb_frame_flag) {
-                if (bottom) {
-                    left_block[0]= 2;
-                    left_block[1]= 2;
-                    left_block[2]= 3;
-                    left_block[3]= 3;
-                    left_block[4]= 8;
-                    left_block[5]= 11;
-                    left_block[6]= 8;
-                    left_block[7]= 11;
-                } else {
-                    left_block[0]= 0;
-                    left_block[1]= 0;
-                    left_block[2]= 1;
-                    left_block[3]= 1;
-                    left_block[4]= 7;
-                    left_block[5]= 10;
-                    left_block[6]= 7;
-                    left_block[7]= 10;
-                }
-            } else {
-                left_xy[1] += s->mb_stride;
-                //left_block[0]= 0;
-                left_block[1]= 2;
-                left_block[2]= 0;
-                left_block[3]= 2;
-                //left_block[4]= 7;
-                left_block[5]= 10;
-                left_block[6]= 7;
-                left_block[7]= 10;
-            }
-        }
-    }
-
-    h->top_mb_xy = top_xy;
-    h->left_mb_xy[0] = left_xy[0];
-    h->left_mb_xy[1] = left_xy[1];
-    if(for_deblock){
-        topleft_type = 0;
-        topright_type = 0;
-        top_type     = h->slice_table[top_xy     ] < 255 ? s->current_picture.mb_type[top_xy]     : 0;
-        left_type[0] = h->slice_table[left_xy[0] ] < 255 ? s->current_picture.mb_type[left_xy[0]] : 0;
-        left_type[1] = h->slice_table[left_xy[1] ] < 255 ? s->current_picture.mb_type[left_xy[1]] : 0;
-
-        if(FRAME_MBAFF && !IS_INTRA(mb_type)){
-            int list;
-            int v = *(uint16_t*)&h->non_zero_count[mb_xy][14];
-            for(i=0; i<16; i++)
-                h->non_zero_count_cache[scan8[i]] = (v>>i)&1;
-            for(list=0; list<h->list_count; list++){
-                if(USES_LIST(mb_type,list)){
-                    uint32_t *src = (uint32_t*)s->current_picture.motion_val[list][h->mb2b_xy[mb_xy]];
-                    uint32_t *dst = (uint32_t*)h->mv_cache[list][scan8[0]];
-                    int8_t *ref = &s->current_picture.ref_index[list][h->mb2b8_xy[mb_xy]];
-                    for(i=0; i<4; i++, dst+=8, src+=h->b_stride){
-                        dst[0] = src[0];
-                        dst[1] = src[1];
-                        dst[2] = src[2];
-                        dst[3] = src[3];
-                    }
-                    *(uint32_t*)&h->ref_cache[list][scan8[ 0]] =
-                    *(uint32_t*)&h->ref_cache[list][scan8[ 2]] = pack16to32(ref[0],ref[1])*0x0101;
-                    ref += h->b8_stride;
-                    *(uint32_t*)&h->ref_cache[list][scan8[ 8]] =
-                    *(uint32_t*)&h->ref_cache[list][scan8[10]] = pack16to32(ref[0],ref[1])*0x0101;
-                }else{
-                    fill_rectangle(&h-> mv_cache[list][scan8[ 0]], 4, 4, 8, 0, 4);
-                    fill_rectangle(&h->ref_cache[list][scan8[ 0]], 4, 4, 8, (uint8_t)LIST_NOT_USED, 1);
-                }
-            }
-        }
-    }else{
-        topleft_type = h->slice_table[topleft_xy ] == h->slice_num ? s->current_picture.mb_type[topleft_xy] : 0;
-        top_type     = h->slice_table[top_xy     ] == h->slice_num ? s->current_picture.mb_type[top_xy]     : 0;
-        topright_type= h->slice_table[topright_xy] == h->slice_num ? s->current_picture.mb_type[topright_xy]: 0;
-        left_type[0] = h->slice_table[left_xy[0] ] == h->slice_num ? s->current_picture.mb_type[left_xy[0]] : 0;
-        left_type[1] = h->slice_table[left_xy[1] ] == h->slice_num ? s->current_picture.mb_type[left_xy[1]] : 0;
-    }
-
-    if(IS_INTRA(mb_type)){
-        h->topleft_samples_available=
-        h->top_samples_available=
-        h->left_samples_available= 0xFFFF;
-        h->topright_samples_available= 0xEEEA;
-
-        if(!IS_INTRA(top_type) && (top_type==0 || h->pps.constrained_intra_pred)){
-            h->topleft_samples_available= 0xB3FF;
-            h->top_samples_available= 0x33FF;
-            h->topright_samples_available= 0x26EA;
-        }
-        for(i=0; i<2; i++){
-            if(!IS_INTRA(left_type[i]) && (left_type[i]==0 || h->pps.constrained_intra_pred)){
-                h->topleft_samples_available&= 0xDF5F;
-                h->left_samples_available&= 0x5F5F;
-            }
-        }
-
-        if(!IS_INTRA(topleft_type) && (topleft_type==0 || h->pps.constrained_intra_pred))
-            h->topleft_samples_available&= 0x7FFF;
-
-        if(!IS_INTRA(topright_type) && (topright_type==0 || h->pps.constrained_intra_pred))
-            h->topright_samples_available&= 0xFBFF;
-
-        if(IS_INTRA4x4(mb_type)){
-            if(IS_INTRA4x4(top_type)){
-                h->intra4x4_pred_mode_cache[4+8*0]= h->intra4x4_pred_mode[top_xy][4];
-                h->intra4x4_pred_mode_cache[5+8*0]= h->intra4x4_pred_mode[top_xy][5];
-                h->intra4x4_pred_mode_cache[6+8*0]= h->intra4x4_pred_mode[top_xy][6];
-                h->intra4x4_pred_mode_cache[7+8*0]= h->intra4x4_pred_mode[top_xy][3];
-            }else{
-                int pred;
-                if(!top_type || (IS_INTER(top_type) && h->pps.constrained_intra_pred))
-                    pred= -1;
-                else{
-                    pred= 2;
-                }
-                h->intra4x4_pred_mode_cache[4+8*0]=
-                h->intra4x4_pred_mode_cache[5+8*0]=
-                h->intra4x4_pred_mode_cache[6+8*0]=
-                h->intra4x4_pred_mode_cache[7+8*0]= pred;
-            }
-            for(i=0; i<2; i++){
-                if(IS_INTRA4x4(left_type[i])){
-                    h->intra4x4_pred_mode_cache[3+8*1 + 2*8*i]= h->intra4x4_pred_mode[left_xy[i]][left_block[0+2*i]];
-                    h->intra4x4_pred_mode_cache[3+8*2 + 2*8*i]= h->intra4x4_pred_mode[left_xy[i]][left_block[1+2*i]];
-                }else{
-                    int pred;
-                    if(!left_type[i] || (IS_INTER(left_type[i]) && h->pps.constrained_intra_pred))
-                        pred= -1;
-                    else{
-                        pred= 2;
-                    }
-                    h->intra4x4_pred_mode_cache[3+8*1 + 2*8*i]=
-                    h->intra4x4_pred_mode_cache[3+8*2 + 2*8*i]= pred;
-                }
-            }
-        }
-    }
-
-
-/*
-0 . T T. T T T T
-1 L . .L . . . .
-2 L . .L . . . .
-3 . T TL . . . .
-4 L . .L . . . .
-5 L . .. . . . .
-*/
-//FIXME constraint_intra_pred & partitioning & nnz (lets hope this is just a typo in the spec)
-    if(top_type){
-        h->non_zero_count_cache[4+8*0]= h->non_zero_count[top_xy][4];
-        h->non_zero_count_cache[5+8*0]= h->non_zero_count[top_xy][5];
-        h->non_zero_count_cache[6+8*0]= h->non_zero_count[top_xy][6];
-        h->non_zero_count_cache[7+8*0]= h->non_zero_count[top_xy][3];
-
-        h->non_zero_count_cache[1+8*0]= h->non_zero_count[top_xy][9];
-        h->non_zero_count_cache[2+8*0]= h->non_zero_count[top_xy][8];
-
-        h->non_zero_count_cache[1+8*3]= h->non_zero_count[top_xy][12];
-        h->non_zero_count_cache[2+8*3]= h->non_zero_count[top_xy][11];
-
-    }else{
-        h->non_zero_count_cache[4+8*0]=
-        h->non_zero_count_cache[5+8*0]=
-        h->non_zero_count_cache[6+8*0]=
-        h->non_zero_count_cache[7+8*0]=
-
-        h->non_zero_count_cache[1+8*0]=
-        h->non_zero_count_cache[2+8*0]=
-
-        h->non_zero_count_cache[1+8*3]=
-        h->non_zero_count_cache[2+8*3]= h->pps.cabac && !IS_INTRA(mb_type) ? 0 : 64;
-
-    }
-
-    for (i=0; i<2; i++) {
-        if(left_type[i]){
-            h->non_zero_count_cache[3+8*1 + 2*8*i]= h->non_zero_count[left_xy[i]][left_block[0+2*i]];
-            h->non_zero_count_cache[3+8*2 + 2*8*i]= h->non_zero_count[left_xy[i]][left_block[1+2*i]];
-            h->non_zero_count_cache[0+8*1 +   8*i]= h->non_zero_count[left_xy[i]][left_block[4+2*i]];
-            h->non_zero_count_cache[0+8*4 +   8*i]= h->non_zero_count[left_xy[i]][left_block[5+2*i]];
-        }else{
-            h->non_zero_count_cache[3+8*1 + 2*8*i]=
-            h->non_zero_count_cache[3+8*2 + 2*8*i]=
-            h->non_zero_count_cache[0+8*1 +   8*i]=
-            h->non_zero_count_cache[0+8*4 +   8*i]= h->pps.cabac && !IS_INTRA(mb_type) ? 0 : 64;
-        }
-    }
-
-    if( h->pps.cabac ) {
-        // top_cbp
-        if(top_type) {
-            h->top_cbp = h->cbp_table[top_xy];
-        } else if(IS_INTRA(mb_type)) {
-            h->top_cbp = 0x1C0;
-        } else {
-            h->top_cbp = 0;
-        }
-        // left_cbp
-        if (left_type[0]) {
-            h->left_cbp = h->cbp_table[left_xy[0]] & 0x1f0;
-        } else if(IS_INTRA(mb_type)) {
-            h->left_cbp = 0x1C0;
-        } else {
-            h->left_cbp = 0;
-        }
-        if (left_type[0]) {
-            h->left_cbp |= ((h->cbp_table[left_xy[0]]>>((left_block[0]&(~1))+1))&0x1) << 1;
-        }
-        if (left_type[1]) {
-            h->left_cbp |= ((h->cbp_table[left_xy[1]]>>((left_block[2]&(~1))+1))&0x1) << 3;
-        }
-    }
-
-#if 1
-    if(IS_INTER(mb_type) || IS_DIRECT(mb_type)){
-        int list;
-        for(list=0; list<h->list_count; list++){
-            if(!USES_LIST(mb_type, list) && !IS_DIRECT(mb_type) && !h->deblocking_filter){
-                /*if(!h->mv_cache_clean[list]){
-                    memset(h->mv_cache [list],  0, 8*5*2*sizeof(int16_t)); //FIXME clean only input? clean at all?
-                    memset(h->ref_cache[list], PART_NOT_AVAILABLE, 8*5*sizeof(int8_t));
-                    h->mv_cache_clean[list]= 1;
-                }*/
-                continue;
-            }
-            h->mv_cache_clean[list]= 0;
-
-            if(USES_LIST(top_type, list)){
-                const int b_xy= h->mb2b_xy[top_xy] + 3*h->b_stride;
-                const int b8_xy= h->mb2b8_xy[top_xy] + h->b8_stride;
-                *(uint32_t*)h->mv_cache[list][scan8[0] + 0 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + 0];
-                *(uint32_t*)h->mv_cache[list][scan8[0] + 1 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + 1];
-                *(uint32_t*)h->mv_cache[list][scan8[0] + 2 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + 2];
-                *(uint32_t*)h->mv_cache[list][scan8[0] + 3 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + 3];
-                h->ref_cache[list][scan8[0] + 0 - 1*8]=
-                h->ref_cache[list][scan8[0] + 1 - 1*8]= s->current_picture.ref_index[list][b8_xy + 0];
-                h->ref_cache[list][scan8[0] + 2 - 1*8]=
-                h->ref_cache[list][scan8[0] + 3 - 1*8]= s->current_picture.ref_index[list][b8_xy + 1];
-            }else{
-                *(uint32_t*)h->mv_cache [list][scan8[0] + 0 - 1*8]=
-                *(uint32_t*)h->mv_cache [list][scan8[0] + 1 - 1*8]=
-                *(uint32_t*)h->mv_cache [list][scan8[0] + 2 - 1*8]=
-                *(uint32_t*)h->mv_cache [list][scan8[0] + 3 - 1*8]= 0;
-                *(uint32_t*)&h->ref_cache[list][scan8[0] + 0 - 1*8]= ((top_type ? LIST_NOT_USED : PART_NOT_AVAILABLE)&0xFF)*0x01010101;
-            }
-
-            for(i=0; i<2; i++){
-                int cache_idx = scan8[0] - 1 + i*2*8;
-                if(USES_LIST(left_type[i], list)){
-                    const int b_xy= h->mb2b_xy[left_xy[i]] + 3;
-                    const int b8_xy= h->mb2b8_xy[left_xy[i]] + 1;
-                    *(uint32_t*)h->mv_cache[list][cache_idx  ]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + h->b_stride*left_block[0+i*2]];
-                    *(uint32_t*)h->mv_cache[list][cache_idx+8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + h->b_stride*left_block[1+i*2]];
-                    h->ref_cache[list][cache_idx  ]= s->current_picture.ref_index[list][b8_xy + h->b8_stride*(left_block[0+i*2]>>1)];
-                    h->ref_cache[list][cache_idx+8]= s->current_picture.ref_index[list][b8_xy + h->b8_stride*(left_block[1+i*2]>>1)];
-                }else{
-                    *(uint32_t*)h->mv_cache [list][cache_idx  ]=
-                    *(uint32_t*)h->mv_cache [list][cache_idx+8]= 0;
-                    h->ref_cache[list][cache_idx  ]=
-                    h->ref_cache[list][cache_idx+8]= left_type[i] ? LIST_NOT_USED : PART_NOT_AVAILABLE;
-                }
-            }
-
-            if((for_deblock || (IS_DIRECT(mb_type) && !h->direct_spatial_mv_pred)) && !FRAME_MBAFF)
-                continue;
-
-            if(USES_LIST(topleft_type, list)){
-                const int b_xy = h->mb2b_xy[topleft_xy] + 3 + 3*h->b_stride;
-                const int b8_xy= h->mb2b8_xy[topleft_xy] + 1 + h->b8_stride;
-                *(uint32_t*)h->mv_cache[list][scan8[0] - 1 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy];
-                h->ref_cache[list][scan8[0] - 1 - 1*8]= s->current_picture.ref_index[list][b8_xy];
-            }else{
-                *(uint32_t*)h->mv_cache[list][scan8[0] - 1 - 1*8]= 0;
-                h->ref_cache[list][scan8[0] - 1 - 1*8]= topleft_type ? LIST_NOT_USED : PART_NOT_AVAILABLE;
-            }
-
-            if(USES_LIST(topright_type, list)){
-                const int b_xy= h->mb2b_xy[topright_xy] + 3*h->b_stride;
-                const int b8_xy= h->mb2b8_xy[topright_xy] + h->b8_stride;
-                *(uint32_t*)h->mv_cache[list][scan8[0] + 4 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy];
-                h->ref_cache[list][scan8[0] + 4 - 1*8]= s->current_picture.ref_index[list][b8_xy];
-            }else{
-                *(uint32_t*)h->mv_cache [list][scan8[0] + 4 - 1*8]= 0;
-                h->ref_cache[list][scan8[0] + 4 - 1*8]= topright_type ? LIST_NOT_USED : PART_NOT_AVAILABLE;
-            }
-
-            if((IS_SKIP(mb_type) || IS_DIRECT(mb_type)) && !FRAME_MBAFF)
-                continue;
-
-            h->ref_cache[list][scan8[5 ]+1] =
-            h->ref_cache[list][scan8[7 ]+1] =
-            h->ref_cache[list][scan8[13]+1] =  //FIXME remove past 3 (init somewhere else)
-            h->ref_cache[list][scan8[4 ]] =
-            h->ref_cache[list][scan8[12]] = PART_NOT_AVAILABLE;
-            *(uint32_t*)h->mv_cache [list][scan8[5 ]+1]=
-            *(uint32_t*)h->mv_cache [list][scan8[7 ]+1]=
-            *(uint32_t*)h->mv_cache [list][scan8[13]+1]= //FIXME remove past 3 (init somewhere else)
-            *(uint32_t*)h->mv_cache [list][scan8[4 ]]=
-            *(uint32_t*)h->mv_cache [list][scan8[12]]= 0;
-
-            if( h->pps.cabac ) {
-                /* XXX beurk, Load mvd */
-                if(USES_LIST(top_type, list)){
-                    const int b_xy= h->mb2b_xy[top_xy] + 3*h->b_stride;
-                    *(uint32_t*)h->mvd_cache[list][scan8[0] + 0 - 1*8]= *(uint32_t*)h->mvd_table[list][b_xy + 0];
-                    *(uint32_t*)h->mvd_cache[list][scan8[0] + 1 - 1*8]= *(uint32_t*)h->mvd_table[list][b_xy + 1];
-                    *(uint32_t*)h->mvd_cache[list][scan8[0] + 2 - 1*8]= *(uint32_t*)h->mvd_table[list][b_xy + 2];
-                    *(uint32_t*)h->mvd_cache[list][scan8[0] + 3 - 1*8]= *(uint32_t*)h->mvd_table[list][b_xy + 3];
-                }else{
-                    *(uint32_t*)h->mvd_cache [list][scan8[0] + 0 - 1*8]=
-                    *(uint32_t*)h->mvd_cache [list][scan8[0] + 1 - 1*8]=
-                    *(uint32_t*)h->mvd_cache [list][scan8[0] + 2 - 1*8]=
-                    *(uint32_t*)h->mvd_cache [list][scan8[0] + 3 - 1*8]= 0;
-                }
-                if(USES_LIST(left_type[0], list)){
-                    const int b_xy= h->mb2b_xy[left_xy[0]] + 3;
-                    *(uint32_t*)h->mvd_cache[list][scan8[0] - 1 + 0*8]= *(uint32_t*)h->mvd_table[list][b_xy + h->b_stride*left_block[0]];
-                    *(uint32_t*)h->mvd_cache[list][scan8[0] - 1 + 1*8]= *(uint32_t*)h->mvd_table[list][b_xy + h->b_stride*left_block[1]];
-                }else{
-                    *(uint32_t*)h->mvd_cache [list][scan8[0] - 1 + 0*8]=
-                    *(uint32_t*)h->mvd_cache [list][scan8[0] - 1 + 1*8]= 0;
-                }
-                if(USES_LIST(left_type[1], list)){
-                    const int b_xy= h->mb2b_xy[left_xy[1]] + 3;
-                    *(uint32_t*)h->mvd_cache[list][scan8[0] - 1 + 2*8]= *(uint32_t*)h->mvd_table[list][b_xy + h->b_stride*left_block[2]];
-                    *(uint32_t*)h->mvd_cache[list][scan8[0] - 1 + 3*8]= *(uint32_t*)h->mvd_table[list][b_xy + h->b_stride*left_block[3]];
-                }else{
-                    *(uint32_t*)h->mvd_cache [list][scan8[0] - 1 + 2*8]=
-                    *(uint32_t*)h->mvd_cache [list][scan8[0] - 1 + 3*8]= 0;
-                }
-                *(uint32_t*)h->mvd_cache [list][scan8[5 ]+1]=
-                *(uint32_t*)h->mvd_cache [list][scan8[7 ]+1]=
-                *(uint32_t*)h->mvd_cache [list][scan8[13]+1]= //FIXME remove past 3 (init somewhere else)
-                *(uint32_t*)h->mvd_cache [list][scan8[4 ]]=
-                *(uint32_t*)h->mvd_cache [list][scan8[12]]= 0;
-
-                if(h->slice_type == B_TYPE){
-                    fill_rectangle(&h->direct_cache[scan8[0]], 4, 4, 8, 0, 1);
-
-                    if(IS_DIRECT(top_type)){
-                        *(uint32_t*)&h->direct_cache[scan8[0] - 1*8]= 0x01010101;
-                    }else if(IS_8X8(top_type)){
-                        int b8_xy = h->mb2b8_xy[top_xy] + h->b8_stride;
-                        h->direct_cache[scan8[0] + 0 - 1*8]= h->direct_table[b8_xy];
-                        h->direct_cache[scan8[0] + 2 - 1*8]= h->direct_table[b8_xy + 1];
-                    }else{
-                        *(uint32_t*)&h->direct_cache[scan8[0] - 1*8]= 0;
-                    }
-
-                    if(IS_DIRECT(left_type[0]))
-                        h->direct_cache[scan8[0] - 1 + 0*8]= 1;
-                    else if(IS_8X8(left_type[0]))
-                        h->direct_cache[scan8[0] - 1 + 0*8]= h->direct_table[h->mb2b8_xy[left_xy[0]] + 1 + h->b8_stride*(left_block[0]>>1)];
-                    else
-                        h->direct_cache[scan8[0] - 1 + 0*8]= 0;
-
-                    if(IS_DIRECT(left_type[1]))
-                        h->direct_cache[scan8[0] - 1 + 2*8]= 1;
-                    else if(IS_8X8(left_type[1]))
-                        h->direct_cache[scan8[0] - 1 + 2*8]= h->direct_table[h->mb2b8_xy[left_xy[1]] + 1 + h->b8_stride*(left_block[2]>>1)];
-                    else
-                        h->direct_cache[scan8[0] - 1 + 2*8]= 0;
-                }
-            }
-
-            if(FRAME_MBAFF){
-#define MAP_MVS\
-                    MAP_F2F(scan8[0] - 1 - 1*8, topleft_type)\
-                    MAP_F2F(scan8[0] + 0 - 1*8, top_type)\
-                    MAP_F2F(scan8[0] + 1 - 1*8, top_type)\
-                    MAP_F2F(scan8[0] + 2 - 1*8, top_type)\
-                    MAP_F2F(scan8[0] + 3 - 1*8, top_type)\
-                    MAP_F2F(scan8[0] + 4 - 1*8, topright_type)\
-                    MAP_F2F(scan8[0] - 1 + 0*8, left_type[0])\
-                    MAP_F2F(scan8[0] - 1 + 1*8, left_type[0])\
-                    MAP_F2F(scan8[0] - 1 + 2*8, left_type[1])\
-                    MAP_F2F(scan8[0] - 1 + 3*8, left_type[1])
-                if(MB_FIELD){
-#define MAP_F2F(idx, mb_type)\
-                    if(!IS_INTERLACED(mb_type) && h->ref_cache[list][idx] >= 0){\
-                        h->ref_cache[list][idx] <<= 1;\
-                        h->mv_cache[list][idx][1] /= 2;\
-                        h->mvd_cache[list][idx][1] /= 2;\
-                    }
-                    MAP_MVS
-#undef MAP_F2F
-                }else{
-#define MAP_F2F(idx, mb_type)\
-                    if(IS_INTERLACED(mb_type) && h->ref_cache[list][idx] >= 0){\
-                        h->ref_cache[list][idx] >>= 1;\
-                        h->mv_cache[list][idx][1] <<= 1;\
-                        h->mvd_cache[list][idx][1] <<= 1;\
-                    }
-                    MAP_MVS
-#undef MAP_F2F
-                }
-            }
-        }
-    }
-#endif
-
-    h->neighbor_transform_size= !!IS_8x8DCT(top_type) + !!IS_8x8DCT(left_type[0]);
-}
-
-static inline void write_back_intra_pred_mode(H264Context *h){
-    MpegEncContext * const s = &h->s;
-    const int mb_xy= s->mb_x + s->mb_y*s->mb_stride;
-
-    h->intra4x4_pred_mode[mb_xy][0]= h->intra4x4_pred_mode_cache[7+8*1];
-    h->intra4x4_pred_mode[mb_xy][1]= h->intra4x4_pred_mode_cache[7+8*2];
-    h->intra4x4_pred_mode[mb_xy][2]= h->intra4x4_pred_mode_cache[7+8*3];
-    h->intra4x4_pred_mode[mb_xy][3]= h->intra4x4_pred_mode_cache[7+8*4];
-    h->intra4x4_pred_mode[mb_xy][4]= h->intra4x4_pred_mode_cache[4+8*4];
-    h->intra4x4_pred_mode[mb_xy][5]= h->intra4x4_pred_mode_cache[5+8*4];
-    h->intra4x4_pred_mode[mb_xy][6]= h->intra4x4_pred_mode_cache[6+8*4];
-}
-
-/**
- * checks if the top & left blocks are available if needed & changes the dc mode so it only uses the available blocks.
- */
-static inline int check_intra4x4_pred_mode(H264Context *h){
-    MpegEncContext * const s = &h->s;
-    static const int8_t top [12]= {-1, 0,LEFT_DC_PRED,-1,-1,-1,-1,-1, 0};
-    static const int8_t left[12]= { 0,-1, TOP_DC_PRED, 0,-1,-1,-1, 0,-1,DC_128_PRED};
-    int i;
-
-    if(!(h->top_samples_available&0x8000)){
-        for(i=0; i<4; i++){
-            int status= top[ h->intra4x4_pred_mode_cache[scan8[0] + i] ];
-            if(status<0){
-                av_log(h->s.avctx, AV_LOG_ERROR, "top block unavailable for requested intra4x4 mode %d at %d %d\n", status, s->mb_x, s->mb_y);
-                return -1;
-            } else if(status){
-                h->intra4x4_pred_mode_cache[scan8[0] + i]= status;
-            }
-        }
-    }
-
-    if(!(h->left_samples_available&0x8000)){
-        for(i=0; i<4; i++){
-            int status= left[ h->intra4x4_pred_mode_cache[scan8[0] + 8*i] ];
-            if(status<0){
-                av_log(h->s.avctx, AV_LOG_ERROR, "left block unavailable for requested intra4x4 mode %d at %d %d\n", status, s->mb_x, s->mb_y);
-                return -1;
-            } else if(status){
-                h->intra4x4_pred_mode_cache[scan8[0] + 8*i]= status;
-            }
-        }
-    }
-
-    return 0;
-} //FIXME cleanup like next
-
-/**
- * checks if the top & left blocks are available if needed & changes the dc mode so it only uses the available blocks.
- */
-static inline int check_intra_pred_mode(H264Context *h, int mode){
-    MpegEncContext * const s = &h->s;
-    static const int8_t top [7]= {LEFT_DC_PRED8x8, 1,-1,-1};
-    static const int8_t left[7]= { TOP_DC_PRED8x8,-1, 2,-1,DC_128_PRED8x8};
-
-    if(mode > 6U) {
-        av_log(h->s.avctx, AV_LOG_ERROR, "out of range intra chroma pred mode at %d %d\n", s->mb_x, s->mb_y);
-        return -1;
-    }
-
-    if(!(h->top_samples_available&0x8000)){
-        mode= top[ mode ];
-        if(mode<0){
-            av_log(h->s.avctx, AV_LOG_ERROR, "top block unavailable for requested intra mode at %d %d\n", s->mb_x, s->mb_y);
-            return -1;
-        }
-    }
-
-    if(!(h->left_samples_available&0x8000)){
-        mode= left[ mode ];
-        if(mode<0){
-            av_log(h->s.avctx, AV_LOG_ERROR, "left block unavailable for requested intra mode at %d %d\n", s->mb_x, s->mb_y);
-            return -1;
-        }
-    }
-
-    return mode;
-}
-
-/**
- * gets the predicted intra4x4 prediction mode.
- */
-static inline int pred_intra_mode(H264Context *h, int n){
-    const int index8= scan8[n];
-    const int left= h->intra4x4_pred_mode_cache[index8 - 1];
-    const int top = h->intra4x4_pred_mode_cache[index8 - 8];
-    const int min= FFMIN(left, top);
-
-    tprintf(h->s.avctx, "mode:%d %d min:%d\n", left ,top, min);
-
-    if(min<0) return DC_PRED;
-    else      return min;
-}
-
-static inline void write_back_non_zero_count(H264Context *h){
-    MpegEncContext * const s = &h->s;
-    const int mb_xy= s->mb_x + s->mb_y*s->mb_stride;
-
-    h->non_zero_count[mb_xy][0]= h->non_zero_count_cache[7+8*1];
-    h->non_zero_count[mb_xy][1]= h->non_zero_count_cache[7+8*2];
-    h->non_zero_count[mb_xy][2]= h->non_zero_count_cache[7+8*3];
-    h->non_zero_count[mb_xy][3]= h->non_zero_count_cache[7+8*4];
-    h->non_zero_count[mb_xy][4]= h->non_zero_count_cache[4+8*4];
-    h->non_zero_count[mb_xy][5]= h->non_zero_count_cache[5+8*4];
-    h->non_zero_count[mb_xy][6]= h->non_zero_count_cache[6+8*4];
-
-    h->non_zero_count[mb_xy][9]= h->non_zero_count_cache[1+8*2];
-    h->non_zero_count[mb_xy][8]= h->non_zero_count_cache[2+8*2];
-    h->non_zero_count[mb_xy][7]= h->non_zero_count_cache[2+8*1];
-
-    h->non_zero_count[mb_xy][12]=h->non_zero_count_cache[1+8*5];
-    h->non_zero_count[mb_xy][11]=h->non_zero_count_cache[2+8*5];
-    h->non_zero_count[mb_xy][10]=h->non_zero_count_cache[2+8*4];
-
-    if(FRAME_MBAFF){
-        // store all luma nnzs, for deblocking
-        int v = 0, i;
-        for(i=0; i<16; i++)
-            v += (!!h->non_zero_count_cache[scan8[i]]) << i;
-        *(uint16_t*)&h->non_zero_count[mb_xy][14] = v;
-    }
-}
-
-/**
- * gets the predicted number of non zero coefficients.
- * @param n block index
- */
-static inline int pred_non_zero_count(H264Context *h, int n){
-    const int index8= scan8[n];
-    const int left= h->non_zero_count_cache[index8 - 1];
-    const int top = h->non_zero_count_cache[index8 - 8];
-    int i= left + top;
-
-    if(i<64) i= (i+1)>>1;
-
-    tprintf(h->s.avctx, "pred_nnz L%X T%X n%d s%d P%X\n", left, top, n, scan8[n], i&31);
-
-    return i&31;
-}
-
-static inline int fetch_diagonal_mv(H264Context *h, const int16_t **C, int i, int list, int part_width){
-    const int topright_ref= h->ref_cache[list][ i - 8 + part_width ];
-    MpegEncContext *s = &h->s;
-
-    /* there is no consistent mapping of mvs to neighboring locations that will
-     * make mbaff happy, so we can't move all this logic to fill_caches */
-    if(FRAME_MBAFF){
-        const uint32_t *mb_types = s->current_picture_ptr->mb_type;
-        const int16_t *mv;
-        *(uint32_t*)h->mv_cache[list][scan8[0]-2] = 0;
-        *C = h->mv_cache[list][scan8[0]-2];
-
-        if(!MB_FIELD
-           && (s->mb_y&1) && i < scan8[0]+8 && topright_ref != PART_NOT_AVAILABLE){
-            int topright_xy = s->mb_x + (s->mb_y-1)*s->mb_stride + (i == scan8[0]+3);
-            if(IS_INTERLACED(mb_types[topright_xy])){
-#define SET_DIAG_MV(MV_OP, REF_OP, X4, Y4)\
-                const int x4 = X4, y4 = Y4;\
-                const int mb_type = mb_types[(x4>>2)+(y4>>2)*s->mb_stride];\
-                if(!USES_LIST(mb_type,list) && !IS_8X8(mb_type))\
-                    return LIST_NOT_USED;\
-                mv = s->current_picture_ptr->motion_val[list][x4 + y4*h->b_stride];\
-                h->mv_cache[list][scan8[0]-2][0] = mv[0];\
-                h->mv_cache[list][scan8[0]-2][1] = mv[1] MV_OP;\
-                return s->current_picture_ptr->ref_index[list][(x4>>1) + (y4>>1)*h->b8_stride] REF_OP;
-
-                SET_DIAG_MV(*2, >>1, s->mb_x*4+(i&7)-4+part_width, s->mb_y*4-1);
-            }
-        }
-        if(topright_ref == PART_NOT_AVAILABLE
-           && ((s->mb_y&1) || i >= scan8[0]+8) && (i&7)==4
-           && h->ref_cache[list][scan8[0]-1] != PART_NOT_AVAILABLE){
-            if(!MB_FIELD
-               && IS_INTERLACED(mb_types[h->left_mb_xy[0]])){
-                SET_DIAG_MV(*2, >>1, s->mb_x*4-1, (s->mb_y|1)*4+(s->mb_y&1)*2+(i>>4)-1);
-            }
-            if(MB_FIELD
-               && !IS_INTERLACED(mb_types[h->left_mb_xy[0]])
-               && i >= scan8[0]+8){
-                // leftshift will turn LIST_NOT_USED into PART_NOT_AVAILABLE, but that's ok.
-                SET_DIAG_MV(>>1, <<1, s->mb_x*4-1, (s->mb_y&~1)*4 - 1 + ((i-scan8[0])>>3)*2);
-            }
-        }
-#undef SET_DIAG_MV
-    }
-
-    if(topright_ref != PART_NOT_AVAILABLE){
-        *C= h->mv_cache[list][ i - 8 + part_width ];
-        return topright_ref;
-    }else{
-        tprintf(s->avctx, "topright MV not available\n");
-
-        *C= h->mv_cache[list][ i - 8 - 1 ];
-        return h->ref_cache[list][ i - 8 - 1 ];
-    }
-}
-
-/**
- * gets the predicted MV.
- * @param n the block index
- * @param part_width the width of the partition (4, 8,16) -> (1, 2, 4)
- * @param mx the x component of the predicted motion vector
- * @param my the y component of the predicted motion vector
- */
-static inline void pred_motion(H264Context * const h, int n, int part_width, int list, int ref, int * const mx, int * const my){
-    const int index8= scan8[n];
-    const int top_ref=      h->ref_cache[list][ index8 - 8 ];
-    const int left_ref=     h->ref_cache[list][ index8 - 1 ];
-    const int16_t * const A= h->mv_cache[list][ index8 - 1 ];
-    const int16_t * const B= h->mv_cache[list][ index8 - 8 ];
-    const int16_t * C;
-    int diagonal_ref, match_count;
-
-    assert(part_width==1 || part_width==2 || part_width==4);
-
-/* mv_cache
-  B . . A T T T T
-  U . . L . . , .
-  U . . L . . . .
-  U . . L . . , .
-  . . . L . . . .
-*/
-
-    diagonal_ref= fetch_diagonal_mv(h, &C, index8, list, part_width);
-    match_count= (diagonal_ref==ref) + (top_ref==ref) + (left_ref==ref);
-    tprintf(h->s.avctx, "pred_motion match_count=%d\n", match_count);
-    if(match_count > 1){ //most common
-        *mx= mid_pred(A[0], B[0], C[0]);
-        *my= mid_pred(A[1], B[1], C[1]);
-    }else if(match_count==1){
-        if(left_ref==ref){
-            *mx= A[0];
-            *my= A[1];
-        }else if(top_ref==ref){
-            *mx= B[0];
-            *my= B[1];
-        }else{
-            *mx= C[0];
-            *my= C[1];
-        }
-    }else{
-        if(top_ref == PART_NOT_AVAILABLE && diagonal_ref == PART_NOT_AVAILABLE && left_ref != PART_NOT_AVAILABLE){
-            *mx= A[0];
-            *my= A[1];
-        }else{
-            *mx= mid_pred(A[0], B[0], C[0]);
-            *my= mid_pred(A[1], B[1], C[1]);
-        }
-    }
-
-    tprintf(h->s.avctx, "pred_motion (%2d %2d %2d) (%2d %2d %2d) (%2d %2d %2d) -> (%2d %2d %2d) at %2d %2d %d list %d\n", top_ref, B[0], B[1],                    diagonal_ref, C[0], C[1], left_ref, A[0], A[1], ref, *mx, *my, h->s.mb_x, h->s.mb_y, n, list);
-}
-
-/**
- * gets the directionally predicted 16x8 MV.
- * @param n the block index
- * @param mx the x component of the predicted motion vector
- * @param my the y component of the predicted motion vector
- */
-static inline void pred_16x8_motion(H264Context * const h, int n, int list, int ref, int * const mx, int * const my){
-    if(n==0){
-        const int top_ref=      h->ref_cache[list][ scan8[0] - 8 ];
-        const int16_t * const B= h->mv_cache[list][ scan8[0] - 8 ];
-
-        tprintf(h->s.avctx, "pred_16x8: (%2d %2d %2d) at %2d %2d %d list %d\n", top_ref, B[0], B[1], h->s.mb_x, h->s.mb_y, n, list);
-
-        if(top_ref == ref){
-            *mx= B[0];
-            *my= B[1];
-            return;
-        }
-    }else{
-        const int left_ref=     h->ref_cache[list][ scan8[8] - 1 ];
-        const int16_t * const A= h->mv_cache[list][ scan8[8] - 1 ];
-
-        tprintf(h->s.avctx, "pred_16x8: (%2d %2d %2d) at %2d %2d %d list %d\n", left_ref, A[0], A[1], h->s.mb_x, h->s.mb_y, n, list);
-
-        if(left_ref == ref){
-            *mx= A[0];
-            *my= A[1];
-            return;
-        }
-    }
-
-    //RARE
-    pred_motion(h, n, 4, list, ref, mx, my);
-}
-
-/**
- * gets the directionally predicted 8x16 MV.
- * @param n the block index
- * @param mx the x component of the predicted motion vector
- * @param my the y component of the predicted motion vector
- */
-static inline void pred_8x16_motion(H264Context * const h, int n, int list, int ref, int * const mx, int * const my){
-    if(n==0){
-        const int left_ref=      h->ref_cache[list][ scan8[0] - 1 ];
-        const int16_t * const A=  h->mv_cache[list][ scan8[0] - 1 ];
-
-        tprintf(h->s.avctx, "pred_8x16: (%2d %2d %2d) at %2d %2d %d list %d\n", left_ref, A[0], A[1], h->s.mb_x, h->s.mb_y, n, list);
-
-        if(left_ref == ref){
-            *mx= A[0];
-            *my= A[1];
-            return;
-        }
-    }else{
-        const int16_t * C;
-        int diagonal_ref;
-
-        diagonal_ref= fetch_diagonal_mv(h, &C, scan8[4], list, 2);
-
-        tprintf(h->s.avctx, "pred_8x16: (%2d %2d %2d) at %2d %2d %d list %d\n", diagonal_ref, C[0], C[1], h->s.mb_x, h->s.mb_y, n, list);
-
-        if(diagonal_ref == ref){
-            *mx= C[0];
-            *my= C[1];
-            return;
-        }
-    }
-
-    //RARE
-    pred_motion(h, n, 2, list, ref, mx, my);
-}
-
-static inline void pred_pskip_motion(H264Context * const h, int * const mx, int * const my){
-    const int top_ref = h->ref_cache[0][ scan8[0] - 8 ];
-    const int left_ref= h->ref_cache[0][ scan8[0] - 1 ];
-
-    tprintf(h->s.avctx, "pred_pskip: (%d) (%d) at %2d %2d\n", top_ref, left_ref, h->s.mb_x, h->s.mb_y);
-
-    if(top_ref == PART_NOT_AVAILABLE || left_ref == PART_NOT_AVAILABLE
-       || (top_ref == 0  && *(uint32_t*)h->mv_cache[0][ scan8[0] - 8 ] == 0)
-       || (left_ref == 0 && *(uint32_t*)h->mv_cache[0][ scan8[0] - 1 ] == 0)){
-
-        *mx = *my = 0;
-        return;
-    }
-
-    pred_motion(h, 0, 4, 0, 0, mx, my);
-
-    return;
-}
-
-static inline void direct_dist_scale_factor(H264Context * const h){
-    const int poc = h->s.current_picture_ptr->poc;
-    const int poc1 = h->ref_list[1][0].poc;
-    int i;
-    for(i=0; i<h->ref_count[0]; i++){
-        int poc0 = h->ref_list[0][i].poc;
-        int td = av_clip(poc1 - poc0, -128, 127);
-        if(td == 0 /* FIXME || pic0 is a long-term ref */){
-            h->dist_scale_factor[i] = 256;
-        }else{
-            int tb = av_clip(poc - poc0, -128, 127);
-            int tx = (16384 + (FFABS(td) >> 1)) / td;
-            h->dist_scale_factor[i] = av_clip((tb*tx + 32) >> 6, -1024, 1023);
-        }
-    }
-    if(FRAME_MBAFF){
-        for(i=0; i<h->ref_count[0]; i++){
-            h->dist_scale_factor_field[2*i] =
-            h->dist_scale_factor_field[2*i+1] = h->dist_scale_factor[i];
-        }
-    }
-}
-static inline void direct_ref_list_init(H264Context * const h){
-    MpegEncContext * const s = &h->s;
-    Picture * const ref1 = &h->ref_list[1][0];
-    Picture * const cur = s->current_picture_ptr;
-    int list, i, j;
-    if(cur->pict_type == I_TYPE)
-        cur->ref_count[0] = 0;
-    if(cur->pict_type != B_TYPE)
-        cur->ref_count[1] = 0;
-    for(list=0; list<2; list++){
-        cur->ref_count[list] = h->ref_count[list];
-        for(j=0; j<h->ref_count[list]; j++)
-            cur->ref_poc[list][j] = h->ref_list[list][j].poc;
-    }
-    if(cur->pict_type != B_TYPE || h->direct_spatial_mv_pred)
-        return;
-    for(list=0; list<2; list++){
-        for(i=0; i<ref1->ref_count[list]; i++){
-            const int poc = ref1->ref_poc[list][i];
-            h->map_col_to_list0[list][i] = 0; /* bogus; fills in for missing frames */
-            for(j=0; j<h->ref_count[list]; j++)
-                if(h->ref_list[list][j].poc == poc){
-                    h->map_col_to_list0[list][i] = j;
-                    break;
-                }
-        }
-    }
-    if(FRAME_MBAFF){
-        for(list=0; list<2; list++){
-            for(i=0; i<ref1->ref_count[list]; i++){
-                j = h->map_col_to_list0[list][i];
-                h->map_col_to_list0_field[list][2*i] = 2*j;
-                h->map_col_to_list0_field[list][2*i+1] = 2*j+1;
-            }
-        }
-    }
-}
-
-static inline void pred_direct_motion(H264Context * const h, int *mb_type){
-    MpegEncContext * const s = &h->s;
-    const int mb_xy =   s->mb_x +   s->mb_y*s->mb_stride;
-    const int b8_xy = 2*s->mb_x + 2*s->mb_y*h->b8_stride;
-    const int b4_xy = 4*s->mb_x + 4*s->mb_y*h->b_stride;
-    const int mb_type_col = h->ref_list[1][0].mb_type[mb_xy];
-    const int16_t (*l1mv0)[2] = (const int16_t (*)[2]) &h->ref_list[1][0].motion_val[0][b4_xy];
-    const int16_t (*l1mv1)[2] = (const int16_t (*)[2]) &h->ref_list[1][0].motion_val[1][b4_xy];
-    const int8_t *l1ref0 = &h->ref_list[1][0].ref_index[0][b8_xy];
-    const int8_t *l1ref1 = &h->ref_list[1][0].ref_index[1][b8_xy];
-    const int is_b8x8 = IS_8X8(*mb_type);
-    unsigned int sub_mb_type;
-    int i8, i4;
-
-#define MB_TYPE_16x16_OR_INTRA (MB_TYPE_16x16|MB_TYPE_INTRA4x4|MB_TYPE_INTRA16x16|MB_TYPE_INTRA_PCM)
-    if(IS_8X8(mb_type_col) && !h->sps.direct_8x8_inference_flag){
-        /* FIXME save sub mb types from previous frames (or derive from MVs)
-         * so we know exactly what block size to use */
-        sub_mb_type = MB_TYPE_8x8|MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2; /* B_SUB_4x4 */
-        *mb_type =    MB_TYPE_8x8|MB_TYPE_L0L1;
-    }else if(!is_b8x8 && (mb_type_col & MB_TYPE_16x16_OR_INTRA)){
-        sub_mb_type = MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2; /* B_SUB_8x8 */
-        *mb_type =    MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2; /* B_16x16 */
-    }else{
-        sub_mb_type = MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2; /* B_SUB_8x8 */
-        *mb_type =    MB_TYPE_8x8|MB_TYPE_L0L1;
-    }
-    if(!is_b8x8)
-        *mb_type |= MB_TYPE_DIRECT2;
-    if(MB_FIELD)
-        *mb_type |= MB_TYPE_INTERLACED;
-
-    tprintf(s->avctx, "mb_type = %08x, sub_mb_type = %08x, is_b8x8 = %d, mb_type_col = %08x\n", *mb_type, sub_mb_type, is_b8x8, mb_type_col);
-
-    if(h->direct_spatial_mv_pred){
-        int ref[2];
-        int mv[2][2];
-        int list;
-
-        /* FIXME interlacing + spatial direct uses wrong colocated block positions */
-
-        /* ref = min(neighbors) */
-        for(list=0; list<2; list++){
-            int refa = h->ref_cache[list][scan8[0] - 1];
-            int refb = h->ref_cache[list][scan8[0] - 8];
-            int refc = h->ref_cache[list][scan8[0] - 8 + 4];
-            if(refc == -2)
-                refc = h->ref_cache[list][scan8[0] - 8 - 1];
-            ref[list] = refa;
-            if(ref[list] < 0 || (refb < ref[list] && refb >= 0))
-                ref[list] = refb;
-            if(ref[list] < 0 || (refc < ref[list] && refc >= 0))
-                ref[list] = refc;
-            if(ref[list] < 0)
-                ref[list] = -1;
-        }
-
-        if(ref[0] < 0 && ref[1] < 0){
-            ref[0] = ref[1] = 0;
-            mv[0][0] = mv[0][1] =
-            mv[1][0] = mv[1][1] = 0;
-        }else{
-            for(list=0; list<2; list++){
-                if(ref[list] >= 0)
-                    pred_motion(h, 0, 4, list, ref[list], &mv[list][0], &mv[list][1]);
-                else
-                    mv[list][0] = mv[list][1] = 0;
-            }
-        }
-
-        if(ref[1] < 0){
-            *mb_type &= ~MB_TYPE_P0L1;
-            sub_mb_type &= ~MB_TYPE_P0L1;
-        }else if(ref[0] < 0){
-            *mb_type &= ~MB_TYPE_P0L0;
-            sub_mb_type &= ~MB_TYPE_P0L0;
-        }
-
-        if(IS_16X16(*mb_type)){
-            int a=0, b=0;
-
-            fill_rectangle(&h->ref_cache[0][scan8[0]], 4, 4, 8, (uint8_t)ref[0], 1);
-            fill_rectangle(&h->ref_cache[1][scan8[0]], 4, 4, 8, (uint8_t)ref[1], 1);
-            if(!IS_INTRA(mb_type_col)
-               && (   (l1ref0[0] == 0 && FFABS(l1mv0[0][0]) <= 1 && FFABS(l1mv0[0][1]) <= 1)
-                   || (l1ref0[0]  < 0 && l1ref1[0] == 0 && FFABS(l1mv1[0][0]) <= 1 && FFABS(l1mv1[0][1]) <= 1
-                       && (h->x264_build>33 || !h->x264_build)))){
-                if(ref[0] > 0)
-                    a= pack16to32(mv[0][0],mv[0][1]);
-                if(ref[1] > 0)
-                    b= pack16to32(mv[1][0],mv[1][1]);
-            }else{
-                a= pack16to32(mv[0][0],mv[0][1]);
-                b= pack16to32(mv[1][0],mv[1][1]);
-            }
-            fill_rectangle(&h->mv_cache[0][scan8[0]], 4, 4, 8, a, 4);
-            fill_rectangle(&h->mv_cache[1][scan8[0]], 4, 4, 8, b, 4);
-        }else{
-            for(i8=0; i8<4; i8++){
-                const int x8 = i8&1;
-                const int y8 = i8>>1;
-
-                if(is_b8x8 && !IS_DIRECT(h->sub_mb_type[i8]))
-                    continue;
-                h->sub_mb_type[i8] = sub_mb_type;
-
-                fill_rectangle(&h->mv_cache[0][scan8[i8*4]], 2, 2, 8, pack16to32(mv[0][0],mv[0][1]), 4);
-                fill_rectangle(&h->mv_cache[1][scan8[i8*4]], 2, 2, 8, pack16to32(mv[1][0],mv[1][1]), 4);
-                fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, (uint8_t)ref[0], 1);
-                fill_rectangle(&h->ref_cache[1][scan8[i8*4]], 2, 2, 8, (uint8_t)ref[1], 1);
-
-                /* col_zero_flag */
-                if(!IS_INTRA(mb_type_col) && (   l1ref0[x8 + y8*h->b8_stride] == 0
-                                              || (l1ref0[x8 + y8*h->b8_stride] < 0 && l1ref1[x8 + y8*h->b8_stride] == 0
-                                                  && (h->x264_build>33 || !h->x264_build)))){
-                    const int16_t (*l1mv)[2]= l1ref0[x8 + y8*h->b8_stride] == 0 ? l1mv0 : l1mv1;
-                    if(IS_SUB_8X8(sub_mb_type)){
-                        const int16_t *mv_col = l1mv[x8*3 + y8*3*h->b_stride];
-                        if(FFABS(mv_col[0]) <= 1 && FFABS(mv_col[1]) <= 1){
-                            if(ref[0] == 0)
-                                fill_rectangle(&h->mv_cache[0][scan8[i8*4]], 2, 2, 8, 0, 4);
-                            if(ref[1] == 0)
-                                fill_rectangle(&h->mv_cache[1][scan8[i8*4]], 2, 2, 8, 0, 4);
-                        }
-                    }else
-                    for(i4=0; i4<4; i4++){
-                        const int16_t *mv_col = l1mv[x8*2 + (i4&1) + (y8*2 + (i4>>1))*h->b_stride];
-                        if(FFABS(mv_col[0]) <= 1 && FFABS(mv_col[1]) <= 1){
-                            if(ref[0] == 0)
-                                *(uint32_t*)h->mv_cache[0][scan8[i8*4+i4]] = 0;
-                            if(ref[1] == 0)
-                                *(uint32_t*)h->mv_cache[1][scan8[i8*4+i4]] = 0;
-                        }
-                    }
-                }
-            }
-        }
-    }else{ /* direct temporal mv pred */
-        const int *map_col_to_list0[2] = {h->map_col_to_list0[0], h->map_col_to_list0[1]};
-        const int *dist_scale_factor = h->dist_scale_factor;
-
-        if(FRAME_MBAFF){
-            if(IS_INTERLACED(*mb_type)){
-                map_col_to_list0[0] = h->map_col_to_list0_field[0];
-                map_col_to_list0[1] = h->map_col_to_list0_field[1];
-                dist_scale_factor = h->dist_scale_factor_field;
-            }
-            if(IS_INTERLACED(*mb_type) != IS_INTERLACED(mb_type_col)){
-                /* FIXME assumes direct_8x8_inference == 1 */
-                const int pair_xy = s->mb_x + (s->mb_y&~1)*s->mb_stride;
-                int mb_types_col[2];
-                int y_shift;
-
-                *mb_type = MB_TYPE_8x8|MB_TYPE_L0L1
-                         | (is_b8x8 ? 0 : MB_TYPE_DIRECT2)
-                         | (*mb_type & MB_TYPE_INTERLACED);
-                sub_mb_type = MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2|MB_TYPE_16x16;
-
-                if(IS_INTERLACED(*mb_type)){
-                    /* frame to field scaling */
-                    mb_types_col[0] = h->ref_list[1][0].mb_type[pair_xy];
-                    mb_types_col[1] = h->ref_list[1][0].mb_type[pair_xy+s->mb_stride];
-                    if(s->mb_y&1){
-                        l1ref0 -= 2*h->b8_stride;
-                        l1ref1 -= 2*h->b8_stride;
-                        l1mv0 -= 4*h->b_stride;
-                        l1mv1 -= 4*h->b_stride;
-                    }
-                    y_shift = 0;
-
-                    if(   (mb_types_col[0] & MB_TYPE_16x16_OR_INTRA)
-                       && (mb_types_col[1] & MB_TYPE_16x16_OR_INTRA)
-                       && !is_b8x8)
-                        *mb_type |= MB_TYPE_16x8;
-                    else
-                        *mb_type |= MB_TYPE_8x8;
-                }else{
-                    /* field to frame scaling */
-                    /* col_mb_y = (mb_y&~1) + (topAbsDiffPOC < bottomAbsDiffPOC ? 0 : 1)
-                     * but in MBAFF, top and bottom POC are equal */
-                    int dy = (s->mb_y&1) ? 1 : 2;
-                    mb_types_col[0] =
-                    mb_types_col[1] = h->ref_list[1][0].mb_type[pair_xy+s->mb_stride];
-                    l1ref0 += dy*h->b8_stride;
-                    l1ref1 += dy*h->b8_stride;
-                    l1mv0 += 2*dy*h->b_stride;
-                    l1mv1 += 2*dy*h->b_stride;
-                    y_shift = 2;
-
-                    if((mb_types_col[0] & (MB_TYPE_16x16_OR_INTRA|MB_TYPE_16x8))
-                       && !is_b8x8)
-                        *mb_type |= MB_TYPE_16x16;
-                    else
-                        *mb_type |= MB_TYPE_8x8;
-                }
-
-                for(i8=0; i8<4; i8++){
-                    const int x8 = i8&1;
-                    const int y8 = i8>>1;
-                    int ref0, scale;
-                    const int16_t (*l1mv)[2]= l1mv0;
-
-                    if(is_b8x8 && !IS_DIRECT(h->sub_mb_type[i8]))
-                        continue;
-                    h->sub_mb_type[i8] = sub_mb_type;
-
-                    fill_rectangle(&h->ref_cache[1][scan8[i8*4]], 2, 2, 8, 0, 1);
-                    if(IS_INTRA(mb_types_col[y8])){
-                        fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, 0, 1);
-                        fill_rectangle(&h-> mv_cache[0][scan8[i8*4]], 2, 2, 8, 0, 4);
-                        fill_rectangle(&h-> mv_cache[1][scan8[i8*4]], 2, 2, 8, 0, 4);
-                        continue;
-                    }
-
-                    ref0 = l1ref0[x8 + (y8*2>>y_shift)*h->b8_stride];
-                    if(ref0 >= 0)
-                        ref0 = map_col_to_list0[0][ref0*2>>y_shift];
-                    else{
-                        ref0 = map_col_to_list0[1][l1ref1[x8 + (y8*2>>y_shift)*h->b8_stride]*2>>y_shift];
-                        l1mv= l1mv1;
-                    }
-                    scale = dist_scale_factor[ref0];
-                    fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, ref0, 1);
-
-                    {
-                        const int16_t *mv_col = l1mv[x8*3 + (y8*6>>y_shift)*h->b_stride];
-                        int my_col = (mv_col[1]<<y_shift)/2;
-                        int mx = (scale * mv_col[0] + 128) >> 8;
-                        int my = (scale * my_col + 128) >> 8;
-                        fill_rectangle(&h->mv_cache[0][scan8[i8*4]], 2, 2, 8, pack16to32(mx,my), 4);
-                        fill_rectangle(&h->mv_cache[1][scan8[i8*4]], 2, 2, 8, pack16to32(mx-mv_col[0],my-my_col), 4);
-                    }
-                }
-                return;
-            }
-        }
-
-        /* one-to-one mv scaling */
-
-        if(IS_16X16(*mb_type)){
-            int ref, mv0, mv1;
-
-            fill_rectangle(&h->ref_cache[1][scan8[0]], 4, 4, 8, 0, 1);
-            if(IS_INTRA(mb_type_col)){
-                ref=mv0=mv1=0;
-            }else{
-                const int ref0 = l1ref0[0] >= 0 ? map_col_to_list0[0][l1ref0[0]]
-                                                : map_col_to_list0[1][l1ref1[0]];
-                const int scale = dist_scale_factor[ref0];
-                const int16_t *mv_col = l1ref0[0] >= 0 ? l1mv0[0] : l1mv1[0];
-                int mv_l0[2];
-                mv_l0[0] = (scale * mv_col[0] + 128) >> 8;
-                mv_l0[1] = (scale * mv_col[1] + 128) >> 8;
-                ref= ref0;
-                mv0= pack16to32(mv_l0[0],mv_l0[1]);
-                mv1= pack16to32(mv_l0[0]-mv_col[0],mv_l0[1]-mv_col[1]);
-            }
-            fill_rectangle(&h->ref_cache[0][scan8[0]], 4, 4, 8, ref, 1);
-            fill_rectangle(&h-> mv_cache[0][scan8[0]], 4, 4, 8, mv0, 4);
-            fill_rectangle(&h-> mv_cache[1][scan8[0]], 4, 4, 8, mv1, 4);
-        }else{
-            for(i8=0; i8<4; i8++){
-                const int x8 = i8&1;
-                const int y8 = i8>>1;
-                int ref0, scale;
-                const int16_t (*l1mv)[2]= l1mv0;
-
-                if(is_b8x8 && !IS_DIRECT(h->sub_mb_type[i8]))
-                    continue;
-                h->sub_mb_type[i8] = sub_mb_type;
-                fill_rectangle(&h->ref_cache[1][scan8[i8*4]], 2, 2, 8, 0, 1);
-                if(IS_INTRA(mb_type_col)){
-                    fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, 0, 1);
-                    fill_rectangle(&h-> mv_cache[0][scan8[i8*4]], 2, 2, 8, 0, 4);
-                    fill_rectangle(&h-> mv_cache[1][scan8[i8*4]], 2, 2, 8, 0, 4);
-                    continue;
-                }
-
-                ref0 = l1ref0[x8 + y8*h->b8_stride];
-                if(ref0 >= 0)
-                    ref0 = map_col_to_list0[0][ref0];
-                else{
-                    ref0 = map_col_to_list0[1][l1ref1[x8 + y8*h->b8_stride]];
-                    l1mv= l1mv1;
-                }
-                scale = dist_scale_factor[ref0];
-
-                fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, ref0, 1);
-                if(IS_SUB_8X8(sub_mb_type)){
-                    const int16_t *mv_col = l1mv[x8*3 + y8*3*h->b_stride];
-                    int mx = (scale * mv_col[0] + 128) >> 8;
-                    int my = (scale * mv_col[1] + 128) >> 8;
-                    fill_rectangle(&h->mv_cache[0][scan8[i8*4]], 2, 2, 8, pack16to32(mx,my), 4);
-                    fill_rectangle(&h->mv_cache[1][scan8[i8*4]], 2, 2, 8, pack16to32(mx-mv_col[0],my-mv_col[1]), 4);
-                }else
-                for(i4=0; i4<4; i4++){
-                    const int16_t *mv_col = l1mv[x8*2 + (i4&1) + (y8*2 + (i4>>1))*h->b_stride];
-                    int16_t *mv_l0 = h->mv_cache[0][scan8[i8*4+i4]];
-                    mv_l0[0] = (scale * mv_col[0] + 128) >> 8;
-                    mv_l0[1] = (scale * mv_col[1] + 128) >> 8;
-                    *(uint32_t*)h->mv_cache[1][scan8[i8*4+i4]] =
-                        pack16to32(mv_l0[0]-mv_col[0],mv_l0[1]-mv_col[1]);
-                }
-            }
-        }
-    }
-}
-
-static inline void write_back_motion(H264Context *h, int mb_type){
-    MpegEncContext * const s = &h->s;
-    const int b_xy = 4*s->mb_x + 4*s->mb_y*h->b_stride;
-    const int b8_xy= 2*s->mb_x + 2*s->mb_y*h->b8_stride;
-    int list;
-
-    if(!USES_LIST(mb_type, 0))
-        fill_rectangle(&s->current_picture.ref_index[0][b8_xy], 2, 2, h->b8_stride, (uint8_t)LIST_NOT_USED, 1);
-
-    for(list=0; list<h->list_count; list++){
-        int y;
-        if(!USES_LIST(mb_type, list))
-            continue;
-
-        for(y=0; y<4; y++){
-            *(uint64_t*)s->current_picture.motion_val[list][b_xy + 0 + y*h->b_stride]= *(uint64_t*)h->mv_cache[list][scan8[0]+0 + 8*y];
-            *(uint64_t*)s->current_picture.motion_val[list][b_xy + 2 + y*h->b_stride]= *(uint64_t*)h->mv_cache[list][scan8[0]+2 + 8*y];
-        }
-        if( h->pps.cabac ) {
-            if(IS_SKIP(mb_type))
-                fill_rectangle(h->mvd_table[list][b_xy], 4, 4, h->b_stride, 0, 4);
-            else
-            for(y=0; y<4; y++){
-                *(uint64_t*)h->mvd_table[list][b_xy + 0 + y*h->b_stride]= *(uint64_t*)h->mvd_cache[list][scan8[0]+0 + 8*y];
-                *(uint64_t*)h->mvd_table[list][b_xy + 2 + y*h->b_stride]= *(uint64_t*)h->mvd_cache[list][scan8[0]+2 + 8*y];
-            }
-        }
-
-        {
-            int8_t *ref_index = &s->current_picture.ref_index[list][b8_xy];
-            ref_index[0+0*h->b8_stride]= h->ref_cache[list][scan8[0]];
-            ref_index[1+0*h->b8_stride]= h->ref_cache[list][scan8[4]];
-            ref_index[0+1*h->b8_stride]= h->ref_cache[list][scan8[8]];
-            ref_index[1+1*h->b8_stride]= h->ref_cache[list][scan8[12]];
-        }
-    }
-
-    if(h->slice_type == B_TYPE && h->pps.cabac){
-        if(IS_8X8(mb_type)){
-            uint8_t *direct_table = &h->direct_table[b8_xy];
-            direct_table[1+0*h->b8_stride] = IS_DIRECT(h->sub_mb_type[1]) ? 1 : 0;
-            direct_table[0+1*h->b8_stride] = IS_DIRECT(h->sub_mb_type[2]) ? 1 : 0;
-            direct_table[1+1*h->b8_stride] = IS_DIRECT(h->sub_mb_type[3]) ? 1 : 0;
-        }
-    }
-}
-
-/**
- * Decodes a network abstraction layer unit.
- * @param consumed is the number of bytes used as input
- * @param length is the length of the array
- * @param dst_length is the number of decoded bytes FIXME here or a decode rbsp tailing?
- * @returns decoded bytes, might be src+1 if no escapes
- */
-static uint8_t *decode_nal(H264Context *h, uint8_t *src, int *dst_length, int *consumed, int length){
-    int i, si, di;
-    uint8_t *dst;
-
-//    src[0]&0x80;                //forbidden bit
-    h->nal_ref_idc= src[0]>>5;
-    h->nal_unit_type= src[0]&0x1F;
-
-    src++; length--;
-#if 0
-    for(i=0; i<length; i++)
-        printf("%2X ", src[i]);
-#endif
-    for(i=0; i+1<length; i+=2){
-        if(src[i]) continue;
-        if(i>0 && src[i-1]==0) i--;
-        if(i+2<length && src[i+1]==0 && src[i+2]<=3){
-            if(src[i+2]!=3){
-                /* startcode, so we must be past the end */
-                length=i;
-            }
-            break;
-        }
-    }
-
-    if(i>=length-1){ //no escaped 0
-        *dst_length= length;
-        *consumed= length+1; //+1 for the header
-        return src;
-    }
-
-    h->rbsp_buffer= av_fast_realloc(h->rbsp_buffer, &h->rbsp_buffer_size, length);
-    dst= h->rbsp_buffer;
-
-    if (dst == NULL){
-        return NULL;
-    }
-
-//printf("decoding esc\n");
-    si=di=0;
-    while(si<length){
-        //remove escapes (very rare 1:2^22)
-        if(si+2<length && src[si]==0 && src[si+1]==0 && src[si+2]<=3){
-            if(src[si+2]==3){ //escape
-                dst[di++]= 0;
-                dst[di++]= 0;
-                si+=3;
-                continue;
-            }else //next start code
-                break;
-        }
-
-        dst[di++]= src[si++];
-    }
-
-    *dst_length= di;
-    *consumed= si + 1;//+1 for the header
-//FIXME store exact number of bits in the getbitcontext (its needed for decoding)
-    return dst;
-}
-
-/**
- * identifies the exact end of the bitstream
- * @return the length of the trailing, or 0 if damaged
- */
-static int decode_rbsp_trailing(H264Context *h, uint8_t *src){
-    int v= *src;
-    int r;
-
-    tprintf(h->s.avctx, "rbsp trailing %X\n", v);
-
-    for(r=1; r<9; r++){
-        if(v&1) return r;
-        v>>=1;
-    }
-    return 0;
-}
-
-/**
- * idct tranforms the 16 dc values and dequantize them.
- * @param qp quantization parameter
- */
-static void h264_luma_dc_dequant_idct_c(DCTELEM *block, int qp, int qmul){
-#define stride 16
-    int i;
-    int temp[16]; //FIXME check if this is a good idea
-    static const int x_offset[4]={0, 1*stride, 4* stride,  5*stride};
-    static const int y_offset[4]={0, 2*stride, 8* stride, 10*stride};
-
-//memset(block, 64, 2*256);
-//return;
-    for(i=0; i<4; i++){
-        const int offset= y_offset[i];
-        const int z0= block[offset+stride*0] + block[offset+stride*4];
-        const int z1= block[offset+stride*0] - block[offset+stride*4];
-        const int z2= block[offset+stride*1] - block[offset+stride*5];
-        const int z3= block[offset+stride*1] + block[offset+stride*5];
-
-        temp[4*i+0]= z0+z3;
-        temp[4*i+1]= z1+z2;
-        temp[4*i+2]= z1-z2;
-        temp[4*i+3]= z0-z3;
-    }
-
-    for(i=0; i<4; i++){
-        const int offset= x_offset[i];
-        const int z0= temp[4*0+i] + temp[4*2+i];
-        const int z1= temp[4*0+i] - temp[4*2+i];
-        const int z2= temp[4*1+i] - temp[4*3+i];
-        const int z3= temp[4*1+i] + temp[4*3+i];
-
-        block[stride*0 +offset]= ((((z0 + z3)*qmul + 128 ) >> 8)); //FIXME think about merging this into decode_resdual
-        block[stride*2 +offset]= ((((z1 + z2)*qmul + 128 ) >> 8));
-        block[stride*8 +offset]= ((((z1 - z2)*qmul + 128 ) >> 8));
-        block[stride*10+offset]= ((((z0 - z3)*qmul + 128 ) >> 8));
-    }
-}
-
-#if 0
-/**
- * dct tranforms the 16 dc values.
- * @param qp quantization parameter ??? FIXME
- */
-static void h264_luma_dc_dct_c(DCTELEM *block/*, int qp*/){
-//    const int qmul= dequant_coeff[qp][0];
-    int i;
-    int temp[16]; //FIXME check if this is a good idea
-    static const int x_offset[4]={0, 1*stride, 4* stride,  5*stride};
-    static const int y_offset[4]={0, 2*stride, 8* stride, 10*stride};
-
-    for(i=0; i<4; i++){
-        const int offset= y_offset[i];
-        const int z0= block[offset+stride*0] + block[offset+stride*4];
-        const int z1= block[offset+stride*0] - block[offset+stride*4];
-        const int z2= block[offset+stride*1] - block[offset+stride*5];
-        const int z3= block[offset+stride*1] + block[offset+stride*5];
-
-        temp[4*i+0]= z0+z3;
-        temp[4*i+1]= z1+z2;
-        temp[4*i+2]= z1-z2;
-        temp[4*i+3]= z0-z3;
-    }
-
-    for(i=0; i<4; i++){
-        const int offset= x_offset[i];
-        const int z0= temp[4*0+i] + temp[4*2+i];
-        const int z1= temp[4*0+i] - temp[4*2+i];
-        const int z2= temp[4*1+i] - temp[4*3+i];
-        const int z3= temp[4*1+i] + temp[4*3+i];
-
-        block[stride*0 +offset]= (z0 + z3)>>1;
-        block[stride*2 +offset]= (z1 + z2)>>1;
-        block[stride*8 +offset]= (z1 - z2)>>1;
-        block[stride*10+offset]= (z0 - z3)>>1;
-    }
-}
-#endif
-
-#undef xStride
-#undef stride
-
-static void chroma_dc_dequant_idct_c(DCTELEM *block, int qp, int qmul){
-    const int stride= 16*2;
-    const int xStride= 16;
-    int a,b,c,d,e;
-
-    a= block[stride*0 + xStride*0];
-    b= block[stride*0 + xStride*1];
-    c= block[stride*1 + xStride*0];
-    d= block[stride*1 + xStride*1];
-
-    e= a-b;
-    a= a+b;
-    b= c-d;
-    c= c+d;
-
-    block[stride*0 + xStride*0]= ((a+c)*qmul) >> 7;
-    block[stride*0 + xStride*1]= ((e+b)*qmul) >> 7;
-    block[stride*1 + xStride*0]= ((a-c)*qmul) >> 7;
-    block[stride*1 + xStride*1]= ((e-b)*qmul) >> 7;
-}
-
-#if 0
-static void chroma_dc_dct_c(DCTELEM *block){
-    const int stride= 16*2;
-    const int xStride= 16;
-    int a,b,c,d,e;
-
-    a= block[stride*0 + xStride*0];
-    b= block[stride*0 + xStride*1];
-    c= block[stride*1 + xStride*0];
-    d= block[stride*1 + xStride*1];
-
-    e= a-b;
-    a= a+b;
-    b= c-d;
-    c= c+d;
-
-    block[stride*0 + xStride*0]= (a+c);
-    block[stride*0 + xStride*1]= (e+b);
-    block[stride*1 + xStride*0]= (a-c);
-    block[stride*1 + xStride*1]= (e-b);
-}
-#endif
-
-/**
- * gets the chroma qp.
- */
-static inline int get_chroma_qp(int chroma_qp_index_offset, int qscale){
-
-    return chroma_qp[av_clip(qscale + chroma_qp_index_offset, 0, 51)];
-}
-
-//FIXME need to check that this doesnt overflow signed 32 bit for low qp, i am not sure, it's very close
-//FIXME check that gcc inlines this (and optimizes intra & separate_dc stuff away)
-static inline int quantize_c(DCTELEM *block, uint8_t *scantable, int qscale, int intra, int separate_dc){
-    int i;
-    const int * const quant_table= quant_coeff[qscale];
-    const int bias= intra ? (1<<QUANT_SHIFT)/3 : (1<<QUANT_SHIFT)/6;
-    const unsigned int threshold1= (1<<QUANT_SHIFT) - bias - 1;
-    const unsigned int threshold2= (threshold1<<1);
-    int last_non_zero;
-
-    if(separate_dc){
-        if(qscale<=18){
-            //avoid overflows
-            const int dc_bias= intra ? (1<<(QUANT_SHIFT-2))/3 : (1<<(QUANT_SHIFT-2))/6;
-            const unsigned int dc_threshold1= (1<<(QUANT_SHIFT-2)) - dc_bias - 1;
-            const unsigned int dc_threshold2= (dc_threshold1<<1);
-
-            int level= block[0]*quant_coeff[qscale+18][0];
-            if(((unsigned)(level+dc_threshold1))>dc_threshold2){
-                if(level>0){
-                    level= (dc_bias + level)>>(QUANT_SHIFT-2);
-                    block[0]= level;
-                }else{
-                    level= (dc_bias - level)>>(QUANT_SHIFT-2);
-                    block[0]= -level;
-                }
-//                last_non_zero = i;
-            }else{
-                block[0]=0;
-            }
-        }else{
-            const int dc_bias= intra ? (1<<(QUANT_SHIFT+1))/3 : (1<<(QUANT_SHIFT+1))/6;
-            const unsigned int dc_threshold1= (1<<(QUANT_SHIFT+1)) - dc_bias - 1;
-            const unsigned int dc_threshold2= (dc_threshold1<<1);
-
-            int level= block[0]*quant_table[0];
-            if(((unsigned)(level+dc_threshold1))>dc_threshold2){
-                if(level>0){
-                    level= (dc_bias + level)>>(QUANT_SHIFT+1);
-                    block[0]= level;
-                }else{
-                    level= (dc_bias - level)>>(QUANT_SHIFT+1);
-                    block[0]= -level;
-                }
-//                last_non_zero = i;
-            }else{
-                block[0]=0;
-            }
-        }
-        last_non_zero= 0;
-        i=1;
-    }else{
-        last_non_zero= -1;
-        i=0;
-    }
-
-    for(; i<16; i++){
-        const int j= scantable[i];
-        int level= block[j]*quant_table[j];
-
-//        if(   bias+level >= (1<<(QMAT_SHIFT - 3))
-//           || bias-level >= (1<<(QMAT_SHIFT - 3))){
-        if(((unsigned)(level+threshold1))>threshold2){
-            if(level>0){
-                level= (bias + level)>>QUANT_SHIFT;
-                block[j]= level;
-            }else{
-                level= (bias - level)>>QUANT_SHIFT;
-                block[j]= -level;
-            }
-            last_non_zero = i;
-        }else{
-            block[j]=0;
-        }
-    }
-
-    return last_non_zero;
-}
-
-static void pred4x4_vertical_c(uint8_t *src, uint8_t *topright, int stride){
-    const uint32_t a= ((uint32_t*)(src-stride))[0];
-    ((uint32_t*)(src+0*stride))[0]= a;
-    ((uint32_t*)(src+1*stride))[0]= a;
-    ((uint32_t*)(src+2*stride))[0]= a;
-    ((uint32_t*)(src+3*stride))[0]= a;
-}
-
-static void pred4x4_horizontal_c(uint8_t *src, uint8_t *topright, int stride){
-    ((uint32_t*)(src+0*stride))[0]= src[-1+0*stride]*0x01010101;
-    ((uint32_t*)(src+1*stride))[0]= src[-1+1*stride]*0x01010101;
-    ((uint32_t*)(src+2*stride))[0]= src[-1+2*stride]*0x01010101;
-    ((uint32_t*)(src+3*stride))[0]= src[-1+3*stride]*0x01010101;
-}
-
-static void pred4x4_dc_c(uint8_t *src, uint8_t *topright, int stride){
-    const int dc= (  src[-stride] + src[1-stride] + src[2-stride] + src[3-stride]
-                   + src[-1+0*stride] + src[-1+1*stride] + src[-1+2*stride] + src[-1+3*stride] + 4) >>3;
-
-    ((uint32_t*)(src+0*stride))[0]=
-    ((uint32_t*)(src+1*stride))[0]=
-    ((uint32_t*)(src+2*stride))[0]=
-    ((uint32_t*)(src+3*stride))[0]= dc* 0x01010101;
-}
-
-static void pred4x4_left_dc_c(uint8_t *src, uint8_t *topright, int stride){
-    const int dc= (  src[-1+0*stride] + src[-1+1*stride] + src[-1+2*stride] + src[-1+3*stride] + 2) >>2;
-
-    ((uint32_t*)(src+0*stride))[0]=
-    ((uint32_t*)(src+1*stride))[0]=
-    ((uint32_t*)(src+2*stride))[0]=
-    ((uint32_t*)(src+3*stride))[0]= dc* 0x01010101;
-}
-
-static void pred4x4_top_dc_c(uint8_t *src, uint8_t *topright, int stride){
-    const int dc= (  src[-stride] + src[1-stride] + src[2-stride] + src[3-stride] + 2) >>2;
-
-    ((uint32_t*)(src+0*stride))[0]=
-    ((uint32_t*)(src+1*stride))[0]=
-    ((uint32_t*)(src+2*stride))[0]=
-    ((uint32_t*)(src+3*stride))[0]= dc* 0x01010101;
-}
-
-static void pred4x4_128_dc_c(uint8_t *src, uint8_t *topright, int stride){
-    ((uint32_t*)(src+0*stride))[0]=
-    ((uint32_t*)(src+1*stride))[0]=
-    ((uint32_t*)(src+2*stride))[0]=
-    ((uint32_t*)(src+3*stride))[0]= 128U*0x01010101U;
-}
-
-
-#define LOAD_TOP_RIGHT_EDGE\
-    const int t4= topright[0];\
-    const int t5= topright[1];\
-    const int t6= topright[2];\
-    const int t7= topright[3];\
-
-#define LOAD_LEFT_EDGE\
-    const int l0= src[-1+0*stride];\
-    const int l1= src[-1+1*stride];\
-    const int l2= src[-1+2*stride];\
-    const int l3= src[-1+3*stride];\
-
-#define LOAD_TOP_EDGE\
-    const int t0= src[ 0-1*stride];\
-    const int t1= src[ 1-1*stride];\
-    const int t2= src[ 2-1*stride];\
-    const int t3= src[ 3-1*stride];\
-
-static void pred4x4_down_right_c(uint8_t *src, uint8_t *topright, int stride){
-    const int lt= src[-1-1*stride];
-    LOAD_TOP_EDGE
-    LOAD_LEFT_EDGE
-
-    src[0+3*stride]=(l3 + 2*l2 + l1 + 2)>>2;
-    src[0+2*stride]=
-    src[1+3*stride]=(l2 + 2*l1 + l0 + 2)>>2;
-    src[0+1*stride]=
-    src[1+2*stride]=
-    src[2+3*stride]=(l1 + 2*l0 + lt + 2)>>2;
-    src[0+0*stride]=
-    src[1+1*stride]=
-    src[2+2*stride]=
-    src[3+3*stride]=(l0 + 2*lt + t0 + 2)>>2;
-    src[1+0*stride]=
-    src[2+1*stride]=
-    src[3+2*stride]=(lt + 2*t0 + t1 + 2)>>2;
-    src[2+0*stride]=
-    src[3+1*stride]=(t0 + 2*t1 + t2 + 2)>>2;
-    src[3+0*stride]=(t1 + 2*t2 + t3 + 2)>>2;
-}
-
-static void pred4x4_down_left_c(uint8_t *src, uint8_t *topright, int stride){
-    LOAD_TOP_EDGE
-    LOAD_TOP_RIGHT_EDGE
-//    LOAD_LEFT_EDGE
-
-    src[0+0*stride]=(t0 + t2 + 2*t1 + 2)>>2;
-    src[1+0*stride]=
-    src[0+1*stride]=(t1 + t3 + 2*t2 + 2)>>2;
-    src[2+0*stride]=
-    src[1+1*stride]=
-    src[0+2*stride]=(t2 + t4 + 2*t3 + 2)>>2;
-    src[3+0*stride]=
-    src[2+1*stride]=
-    src[1+2*stride]=
-    src[0+3*stride]=(t3 + t5 + 2*t4 + 2)>>2;
-    src[3+1*stride]=
-    src[2+2*stride]=
-    src[1+3*stride]=(t4 + t6 + 2*t5 + 2)>>2;
-    src[3+2*stride]=
-    src[2+3*stride]=(t5 + t7 + 2*t6 + 2)>>2;
-    src[3+3*stride]=(t6 + 3*t7 + 2)>>2;
-}
-
-static void pred4x4_vertical_right_c(uint8_t *src, uint8_t *topright, int stride){
-    const int lt= src[-1-1*stride];
-    LOAD_TOP_EDGE
-    LOAD_LEFT_EDGE
-    const __attribute__((unused)) int unu= l3;
-
-    src[0+0*stride]=
-    src[1+2*stride]=(lt + t0 + 1)>>1;
-    src[1+0*stride]=
-    src[2+2*stride]=(t0 + t1 + 1)>>1;
-    src[2+0*stride]=
-    src[3+2*stride]=(t1 + t2 + 1)>>1;
-    src[3+0*stride]=(t2 + t3 + 1)>>1;
-    src[0+1*stride]=
-    src[1+3*stride]=(l0 + 2*lt + t0 + 2)>>2;
-    src[1+1*stride]=
-    src[2+3*stride]=(lt + 2*t0 + t1 + 2)>>2;
-    src[2+1*stride]=
-    src[3+3*stride]=(t0 + 2*t1 + t2 + 2)>>2;
-    src[3+1*stride]=(t1 + 2*t2 + t3 + 2)>>2;
-    src[0+2*stride]=(lt + 2*l0 + l1 + 2)>>2;
-    src[0+3*stride]=(l0 + 2*l1 + l2 + 2)>>2;
-}
-
-static void pred4x4_vertical_left_c(uint8_t *src, uint8_t *topright, int stride){
-    LOAD_TOP_EDGE
-    LOAD_TOP_RIGHT_EDGE
-    const __attribute__((unused)) int unu= t7;
-
-    src[0+0*stride]=(t0 + t1 + 1)>>1;
-    src[1+0*stride]=
-    src[0+2*stride]=(t1 + t2 + 1)>>1;
-    src[2+0*stride]=
-    src[1+2*stride]=(t2 + t3 + 1)>>1;
-    src[3+0*stride]=
-    src[2+2*stride]=(t3 + t4+ 1)>>1;
-    src[3+2*stride]=(t4 + t5+ 1)>>1;
-    src[0+1*stride]=(t0 + 2*t1 + t2 + 2)>>2;
-    src[1+1*stride]=
-    src[0+3*stride]=(t1 + 2*t2 + t3 + 2)>>2;
-    src[2+1*stride]=
-    src[1+3*stride]=(t2 + 2*t3 + t4 + 2)>>2;
-    src[3+1*stride]=
-    src[2+3*stride]=(t3 + 2*t4 + t5 + 2)>>2;
-    src[3+3*stride]=(t4 + 2*t5 + t6 + 2)>>2;
-}
-
-static void pred4x4_horizontal_up_c(uint8_t *src, uint8_t *topright, int stride){
-    LOAD_LEFT_EDGE
-
-    src[0+0*stride]=(l0 + l1 + 1)>>1;
-    src[1+0*stride]=(l0 + 2*l1 + l2 + 2)>>2;
-    src[2+0*stride]=
-    src[0+1*stride]=(l1 + l2 + 1)>>1;
-    src[3+0*stride]=
-    src[1+1*stride]=(l1 + 2*l2 + l3 + 2)>>2;
-    src[2+1*stride]=
-    src[0+2*stride]=(l2 + l3 + 1)>>1;
-    src[3+1*stride]=
-    src[1+2*stride]=(l2 + 2*l3 + l3 + 2)>>2;
-    src[3+2*stride]=
-    src[1+3*stride]=
-    src[0+3*stride]=
-    src[2+2*stride]=
-    src[2+3*stride]=
-    src[3+3*stride]=l3;
-}
-
-static void pred4x4_horizontal_down_c(uint8_t *src, uint8_t *topright, int stride){
-    const int lt= src[-1-1*stride];
-    LOAD_TOP_EDGE
-    LOAD_LEFT_EDGE
-    const __attribute__((unused)) int unu= t3;
-
-    src[0+0*stride]=
-    src[2+1*stride]=(lt + l0 + 1)>>1;
-    src[1+0*stride]=
-    src[3+1*stride]=(l0 + 2*lt + t0 + 2)>>2;
-    src[2+0*stride]=(lt + 2*t0 + t1 + 2)>>2;
-    src[3+0*stride]=(t0 + 2*t1 + t2 + 2)>>2;
-    src[0+1*stride]=
-    src[2+2*stride]=(l0 + l1 + 1)>>1;
-    src[1+1*stride]=
-    src[3+2*stride]=(lt + 2*l0 + l1 + 2)>>2;
-    src[0+2*stride]=
-    src[2+3*stride]=(l1 + l2+ 1)>>1;
-    src[1+2*stride]=
-    src[3+3*stride]=(l0 + 2*l1 + l2 + 2)>>2;
-    src[0+3*stride]=(l2 + l3 + 1)>>1;
-    src[1+3*stride]=(l1 + 2*l2 + l3 + 2)>>2;
-}
-
-void ff_pred16x16_vertical_c(uint8_t *src, int stride){
-    int i;
-    const uint32_t a= ((uint32_t*)(src-stride))[0];
-    const uint32_t b= ((uint32_t*)(src-stride))[1];
-    const uint32_t c= ((uint32_t*)(src-stride))[2];
-    const uint32_t d= ((uint32_t*)(src-stride))[3];
-
-    for(i=0; i<16; i++){
-        ((uint32_t*)(src+i*stride))[0]= a;
-        ((uint32_t*)(src+i*stride))[1]= b;
-        ((uint32_t*)(src+i*stride))[2]= c;
-        ((uint32_t*)(src+i*stride))[3]= d;
-    }
-}
-
-void ff_pred16x16_horizontal_c(uint8_t *src, int stride){
-    int i;
-
-    for(i=0; i<16; i++){
-        ((uint32_t*)(src+i*stride))[0]=
-        ((uint32_t*)(src+i*stride))[1]=
-        ((uint32_t*)(src+i*stride))[2]=
-        ((uint32_t*)(src+i*stride))[3]= src[-1+i*stride]*0x01010101;
-    }
-}
-
-void ff_pred16x16_dc_c(uint8_t *src, int stride){
-    int i, dc=0;
-
-    for(i=0;i<16; i++){
-        dc+= src[-1+i*stride];
-    }
-
-    for(i=0;i<16; i++){
-        dc+= src[i-stride];
-    }
-
-    dc= 0x01010101*((dc + 16)>>5);
-
-    for(i=0; i<16; i++){
-        ((uint32_t*)(src+i*stride))[0]=
-        ((uint32_t*)(src+i*stride))[1]=
-        ((uint32_t*)(src+i*stride))[2]=
-        ((uint32_t*)(src+i*stride))[3]= dc;
-    }
-}
-
-static void pred16x16_left_dc_c(uint8_t *src, int stride){
-    int i, dc=0;
-
-    for(i=0;i<16; i++){
-        dc+= src[-1+i*stride];
-    }
-
-    dc= 0x01010101*((dc + 8)>>4);
-
-    for(i=0; i<16; i++){
-        ((uint32_t*)(src+i*stride))[0]=
-        ((uint32_t*)(src+i*stride))[1]=
-        ((uint32_t*)(src+i*stride))[2]=
-        ((uint32_t*)(src+i*stride))[3]= dc;
-    }
-}
-
-static void pred16x16_top_dc_c(uint8_t *src, int stride){
-    int i, dc=0;
-
-    for(i=0;i<16; i++){
-        dc+= src[i-stride];
-    }
-    dc= 0x01010101*((dc + 8)>>4);
-
-    for(i=0; i<16; i++){
-        ((uint32_t*)(src+i*stride))[0]=
-        ((uint32_t*)(src+i*stride))[1]=
-        ((uint32_t*)(src+i*stride))[2]=
-        ((uint32_t*)(src+i*stride))[3]= dc;
-    }
-}
-
-void ff_pred16x16_128_dc_c(uint8_t *src, int stride){
-    int i;
-
-    for(i=0; i<16; i++){
-        ((uint32_t*)(src+i*stride))[0]=
-        ((uint32_t*)(src+i*stride))[1]=
-        ((uint32_t*)(src+i*stride))[2]=
-        ((uint32_t*)(src+i*stride))[3]= 0x01010101U*128U;
-    }
-}
-
-static inline void pred16x16_plane_compat_c(uint8_t *src, int stride, const int svq3){
-  int i, j, k;
-  int a;
-  uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;
-  const uint8_t * const src0 = src+7-stride;
-  const uint8_t *src1 = src+8*stride-1;
-  const uint8_t *src2 = src1-2*stride;      // == src+6*stride-1;
-  int H = src0[1] - src0[-1];
-  int V = src1[0] - src2[ 0];
-  for(k=2; k<=8; ++k) {
-    src1 += stride; src2 -= stride;
-    H += k*(src0[k] - src0[-k]);
-    V += k*(src1[0] - src2[ 0]);
-  }
-  if(svq3){
-    H = ( 5*(H/4) ) / 16;
-    V = ( 5*(V/4) ) / 16;
-
-    /* required for 100% accuracy */
-    i = H; H = V; V = i;
-  }else{
-    H = ( 5*H+32 ) >> 6;
-    V = ( 5*V+32 ) >> 6;
-  }
-
-  a = 16*(src1[0] + src2[16] + 1) - 7*(V+H);
-  for(j=16; j>0; --j) {
-    int b = a;
-    a += V;
-    for(i=-16; i<0; i+=4) {
-      src[16+i] = cm[ (b    ) >> 5 ];
-      src[17+i] = cm[ (b+  H) >> 5 ];
-      src[18+i] = cm[ (b+2*H) >> 5 ];
-      src[19+i] = cm[ (b+3*H) >> 5 ];
-      b += 4*H;
-    }
-    src += stride;
-  }
-}
-
-void ff_pred16x16_plane_c(uint8_t *src, int stride){
-    pred16x16_plane_compat_c(src, stride, 0);
-}
-
-void ff_pred8x8_vertical_c(uint8_t *src, int stride){
-    int i;
-    const uint32_t a= ((uint32_t*)(src-stride))[0];
-    const uint32_t b= ((uint32_t*)(src-stride))[1];
-
-    for(i=0; i<8; i++){
-        ((uint32_t*)(src+i*stride))[0]= a;
-        ((uint32_t*)(src+i*stride))[1]= b;
-    }
-}
-
-void ff_pred8x8_horizontal_c(uint8_t *src, int stride){
-    int i;
-
-    for(i=0; i<8; i++){
-        ((uint32_t*)(src+i*stride))[0]=
-        ((uint32_t*)(src+i*stride))[1]= src[-1+i*stride]*0x01010101;
-    }
-}
-
-void ff_pred8x8_128_dc_c(uint8_t *src, int stride){
-    int i;
-
-    for(i=0; i<8; i++){
-        ((uint32_t*)(src+i*stride))[0]=
-        ((uint32_t*)(src+i*stride))[1]= 0x01010101U*128U;
-    }
-}
-
-static void pred8x8_left_dc_c(uint8_t *src, int stride){
-    int i;
-    int dc0, dc2;
-
-    dc0=dc2=0;
-    for(i=0;i<4; i++){
-        dc0+= src[-1+i*stride];
-        dc2+= src[-1+(i+4)*stride];
-    }
-    dc0= 0x01010101*((dc0 + 2)>>2);
-    dc2= 0x01010101*((dc2 + 2)>>2);
-
-    for(i=0; i<4; i++){
-        ((uint32_t*)(src+i*stride))[0]=
-        ((uint32_t*)(src+i*stride))[1]= dc0;
-    }
-    for(i=4; i<8; i++){
-        ((uint32_t*)(src+i*stride))[0]=
-        ((uint32_t*)(src+i*stride))[1]= dc2;
-    }
-}
-
-static void pred8x8_top_dc_c(uint8_t *src, int stride){
-    int i;
-    int dc0, dc1;
-
-    dc0=dc1=0;
-    for(i=0;i<4; i++){
-        dc0+= src[i-stride];
-        dc1+= src[4+i-stride];
-    }
-    dc0= 0x01010101*((dc0 + 2)>>2);
-    dc1= 0x01010101*((dc1 + 2)>>2);
-
-    for(i=0; i<4; i++){
-        ((uint32_t*)(src+i*stride))[0]= dc0;
-        ((uint32_t*)(src+i*stride))[1]= dc1;
-    }
-    for(i=4; i<8; i++){
-        ((uint32_t*)(src+i*stride))[0]= dc0;
-        ((uint32_t*)(src+i*stride))[1]= dc1;
-    }
-}
-
-
-void ff_pred8x8_dc_c(uint8_t *src, int stride){
-    int i;
-    int dc0, dc1, dc2, dc3;
-
-    dc0=dc1=dc2=0;
-    for(i=0;i<4; i++){
-        dc0+= src[-1+i*stride] + src[i-stride];
-        dc1+= src[4+i-stride];
-        dc2+= src[-1+(i+4)*stride];
-    }
-    dc3= 0x01010101*((dc1 + dc2 + 4)>>3);
-    dc0= 0x01010101*((dc0 + 4)>>3);
-    dc1= 0x01010101*((dc1 + 2)>>2);
-    dc2= 0x01010101*((dc2 + 2)>>2);
-
-    for(i=0; i<4; i++){
-        ((uint32_t*)(src+i*stride))[0]= dc0;
-        ((uint32_t*)(src+i*stride))[1]= dc1;
-    }
-    for(i=4; i<8; i++){
-        ((uint32_t*)(src+i*stride))[0]= dc2;
-        ((uint32_t*)(src+i*stride))[1]= dc3;
-    }
-}
-
-void ff_pred8x8_plane_c(uint8_t *src, int stride){
-  int j, k;
-  int a;
-  uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;
-  const uint8_t * const src0 = src+3-stride;
-  const uint8_t *src1 = src+4*stride-1;
-  const uint8_t *src2 = src1-2*stride;      // == src+2*stride-1;
-  int H = src0[1] - src0[-1];
-  int V = src1[0] - src2[ 0];
-  for(k=2; k<=4; ++k) {
-    src1 += stride; src2 -= stride;
-    H += k*(src0[k] - src0[-k]);
-    V += k*(src1[0] - src2[ 0]);
-  }
-  H = ( 17*H+16 ) >> 5;
-  V = ( 17*V+16 ) >> 5;
-
-  a = 16*(src1[0] + src2[8]+1) - 3*(V+H);
-  for(j=8; j>0; --j) {
-    int b = a;
-    a += V;
-    src[0] = cm[ (b    ) >> 5 ];
-    src[1] = cm[ (b+  H) >> 5 ];
-    src[2] = cm[ (b+2*H) >> 5 ];
-    src[3] = cm[ (b+3*H) >> 5 ];
-    src[4] = cm[ (b+4*H) >> 5 ];
-    src[5] = cm[ (b+5*H) >> 5 ];
-    src[6] = cm[ (b+6*H) >> 5 ];
-    src[7] = cm[ (b+7*H) >> 5 ];
-    src += stride;
-  }
-}
-
-#define SRC(x,y) src[(x)+(y)*stride]
-#define PL(y) \
-    const int l##y = (SRC(-1,y-1) + 2*SRC(-1,y) + SRC(-1,y+1) + 2) >> 2;
-#define PREDICT_8x8_LOAD_LEFT \
-    const int l0 = ((has_topleft ? SRC(-1,-1) : SRC(-1,0)) \
-                     + 2*SRC(-1,0) + SRC(-1,1) + 2) >> 2; \
-    PL(1) PL(2) PL(3) PL(4) PL(5) PL(6) \
-    const int l7 attribute_unused = (SRC(-1,6) + 3*SRC(-1,7) + 2) >> 2
-
-#define PT(x) \
-    const int t##x = (SRC(x-1,-1) + 2*SRC(x,-1) + SRC(x+1,-1) + 2) >> 2;
-#define PREDICT_8x8_LOAD_TOP \
-    const int t0 = ((has_topleft ? SRC(-1,-1) : SRC(0,-1)) \
-                     + 2*SRC(0,-1) + SRC(1,-1) + 2) >> 2; \
-    PT(1) PT(2) PT(3) PT(4) PT(5) PT(6) \
-    const int t7 attribute_unused = ((has_topright ? SRC(8,-1) : SRC(7,-1)) \
-                     + 2*SRC(7,-1) + SRC(6,-1) + 2) >> 2
-
-#define PTR(x) \
-    t##x = (SRC(x-1,-1) + 2*SRC(x,-1) + SRC(x+1,-1) + 2) >> 2;
-#define PREDICT_8x8_LOAD_TOPRIGHT \
-    int t8, t9, t10, t11, t12, t13, t14, t15; \
-    if(has_topright) { \
-        PTR(8) PTR(9) PTR(10) PTR(11) PTR(12) PTR(13) PTR(14) \
-        t15 = (SRC(14,-1) + 3*SRC(15,-1) + 2) >> 2; \
-    } else t8=t9=t10=t11=t12=t13=t14=t15= SRC(7,-1);
-
-#define PREDICT_8x8_LOAD_TOPLEFT \
-    const int lt = (SRC(-1,0) + 2*SRC(-1,-1) + SRC(0,-1) + 2) >> 2
-
-#define PREDICT_8x8_DC(v) \
-    int y; \
-    for( y = 0; y < 8; y++ ) { \
-        ((uint32_t*)src)[0] = \
-        ((uint32_t*)src)[1] = v; \
-        src += stride; \
-    }
-
-static void pred8x8l_128_dc_c(uint8_t *src, int has_topleft, int has_topright, int stride)
-{
-    PREDICT_8x8_DC(0x80808080);
-}
-static void pred8x8l_left_dc_c(uint8_t *src, int has_topleft, int has_topright, int stride)
-{
-    PREDICT_8x8_LOAD_LEFT;
-    const uint32_t dc = ((l0+l1+l2+l3+l4+l5+l6+l7+4) >> 3) * 0x01010101;
-    PREDICT_8x8_DC(dc);
-}
-static void pred8x8l_top_dc_c(uint8_t *src, int has_topleft, int has_topright, int stride)
-{
-    PREDICT_8x8_LOAD_TOP;
-    const uint32_t dc = ((t0+t1+t2+t3+t4+t5+t6+t7+4) >> 3) * 0x01010101;
-    PREDICT_8x8_DC(dc);
-}
-static void pred8x8l_dc_c(uint8_t *src, int has_topleft, int has_topright, int stride)
-{
-    PREDICT_8x8_LOAD_LEFT;
-    PREDICT_8x8_LOAD_TOP;
-    const uint32_t dc = ((l0+l1+l2+l3+l4+l5+l6+l7
-                         +t0+t1+t2+t3+t4+t5+t6+t7+8) >> 4) * 0x01010101;
-    PREDICT_8x8_DC(dc);
-}
-static void pred8x8l_horizontal_c(uint8_t *src, int has_topleft, int has_topright, int stride)
-{
-    PREDICT_8x8_LOAD_LEFT;
-#define ROW(y) ((uint32_t*)(src+y*stride))[0] =\
-               ((uint32_t*)(src+y*stride))[1] = 0x01010101 * l##y
-    ROW(0); ROW(1); ROW(2); ROW(3); ROW(4); ROW(5); ROW(6); ROW(7);
-#undef ROW
-}
-static void pred8x8l_vertical_c(uint8_t *src, int has_topleft, int has_topright, int stride)
-{
-    int y;
-    PREDICT_8x8_LOAD_TOP;
-    src[0] = t0;
-    src[1] = t1;
-    src[2] = t2;
-    src[3] = t3;
-    src[4] = t4;
-    src[5] = t5;
-    src[6] = t6;
-    src[7] = t7;
-    for( y = 1; y < 8; y++ )
-        *(uint64_t*)(src+y*stride) = *(uint64_t*)src;
-}
-static void pred8x8l_down_left_c(uint8_t *src, int has_topleft, int has_topright, int stride)
-{
-    PREDICT_8x8_LOAD_TOP;
-    PREDICT_8x8_LOAD_TOPRIGHT;
-    SRC(0,0)= (t0 + 2*t1 + t2 + 2) >> 2;
-    SRC(0,1)=SRC(1,0)= (t1 + 2*t2 + t3 + 2) >> 2;
-    SRC(0,2)=SRC(1,1)=SRC(2,0)= (t2 + 2*t3 + t4 + 2) >> 2;
-    SRC(0,3)=SRC(1,2)=SRC(2,1)=SRC(3,0)= (t3 + 2*t4 + t5 + 2) >> 2;
-    SRC(0,4)=SRC(1,3)=SRC(2,2)=SRC(3,1)=SRC(4,0)= (t4 + 2*t5 + t6 + 2) >> 2;
-    SRC(0,5)=SRC(1,4)=SRC(2,3)=SRC(3,2)=SRC(4,1)=SRC(5,0)= (t5 + 2*t6 + t7 + 2) >> 2;
-    SRC(0,6)=SRC(1,5)=SRC(2,4)=SRC(3,3)=SRC(4,2)=SRC(5,1)=SRC(6,0)= (t6 + 2*t7 + t8 + 2) >> 2;
-    SRC(0,7)=SRC(1,6)=SRC(2,5)=SRC(3,4)=SRC(4,3)=SRC(5,2)=SRC(6,1)=SRC(7,0)= (t7 + 2*t8 + t9 + 2) >> 2;
-    SRC(1,7)=SRC(2,6)=SRC(3,5)=SRC(4,4)=SRC(5,3)=SRC(6,2)=SRC(7,1)= (t8 + 2*t9 + t10 + 2) >> 2;
-    SRC(2,7)=SRC(3,6)=SRC(4,5)=SRC(5,4)=SRC(6,3)=SRC(7,2)= (t9 + 2*t10 + t11 + 2) >> 2;
-    SRC(3,7)=SRC(4,6)=SRC(5,5)=SRC(6,4)=SRC(7,3)= (t10 + 2*t11 + t12 + 2) >> 2;
-    SRC(4,7)=SRC(5,6)=SRC(6,5)=SRC(7,4)= (t11 + 2*t12 + t13 + 2) >> 2;
-    SRC(5,7)=SRC(6,6)=SRC(7,5)= (t12 + 2*t13 + t14 + 2) >> 2;
-    SRC(6,7)=SRC(7,6)= (t13 + 2*t14 + t15 + 2) >> 2;
-    SRC(7,7)= (t14 + 3*t15 + 2) >> 2;
-}
-static void pred8x8l_down_right_c(uint8_t *src, int has_topleft, int has_topright, int stride)
-{
-    PREDICT_8x8_LOAD_TOP;
-    PREDICT_8x8_LOAD_LEFT;
-    PREDICT_8x8_LOAD_TOPLEFT;
-    SRC(0,7)= (l7 + 2*l6 + l5 + 2) >> 2;
-    SRC(0,6)=SRC(1,7)= (l6 + 2*l5 + l4 + 2) >> 2;
-    SRC(0,5)=SRC(1,6)=SRC(2,7)= (l5 + 2*l4 + l3 + 2) >> 2;
-    SRC(0,4)=SRC(1,5)=SRC(2,6)=SRC(3,7)= (l4 + 2*l3 + l2 + 2) >> 2;
-    SRC(0,3)=SRC(1,4)=SRC(2,5)=SRC(3,6)=SRC(4,7)= (l3 + 2*l2 + l1 + 2) >> 2;
-    SRC(0,2)=SRC(1,3)=SRC(2,4)=SRC(3,5)=SRC(4,6)=SRC(5,7)= (l2 + 2*l1 + l0 + 2) >> 2;
-    SRC(0,1)=SRC(1,2)=SRC(2,3)=SRC(3,4)=SRC(4,5)=SRC(5,6)=SRC(6,7)= (l1 + 2*l0 + lt + 2) >> 2;
-    SRC(0,0)=SRC(1,1)=SRC(2,2)=SRC(3,3)=SRC(4,4)=SRC(5,5)=SRC(6,6)=SRC(7,7)= (l0 + 2*lt + t0 + 2) >> 2;
-    SRC(1,0)=SRC(2,1)=SRC(3,2)=SRC(4,3)=SRC(5,4)=SRC(6,5)=SRC(7,6)= (lt + 2*t0 + t1 + 2) >> 2;
-    SRC(2,0)=SRC(3,1)=SRC(4,2)=SRC(5,3)=SRC(6,4)=SRC(7,5)= (t0 + 2*t1 + t2 + 2) >> 2;
-    SRC(3,0)=SRC(4,1)=SRC(5,2)=SRC(6,3)=SRC(7,4)= (t1 + 2*t2 + t3 + 2) >> 2;
-    SRC(4,0)=SRC(5,1)=SRC(6,2)=SRC(7,3)= (t2 + 2*t3 + t4 + 2) >> 2;
-    SRC(5,0)=SRC(6,1)=SRC(7,2)= (t3 + 2*t4 + t5 + 2) >> 2;
-    SRC(6,0)=SRC(7,1)= (t4 + 2*t5 + t6 + 2) >> 2;
-    SRC(7,0)= (t5 + 2*t6 + t7 + 2) >> 2;
-
-}
-static void pred8x8l_vertical_right_c(uint8_t *src, int has_topleft, int has_topright, int stride)
-{
-    PREDICT_8x8_LOAD_TOP;
-    PREDICT_8x8_LOAD_LEFT;
-    PREDICT_8x8_LOAD_TOPLEFT;
-    SRC(0,6)= (l5 + 2*l4 + l3 + 2) >> 2;
-    SRC(0,7)= (l6 + 2*l5 + l4 + 2) >> 2;
-    SRC(0,4)=SRC(1,6)= (l3 + 2*l2 + l1 + 2) >> 2;
-    SRC(0,5)=SRC(1,7)= (l4 + 2*l3 + l2 + 2) >> 2;
-    SRC(0,2)=SRC(1,4)=SRC(2,6)= (l1 + 2*l0 + lt + 2) >> 2;
-    SRC(0,3)=SRC(1,5)=SRC(2,7)= (l2 + 2*l1 + l0 + 2) >> 2;
-    SRC(0,1)=SRC(1,3)=SRC(2,5)=SRC(3,7)= (l0 + 2*lt + t0 + 2) >> 2;
-    SRC(0,0)=SRC(1,2)=SRC(2,4)=SRC(3,6)= (lt + t0 + 1) >> 1;
-    SRC(1,1)=SRC(2,3)=SRC(3,5)=SRC(4,7)= (lt + 2*t0 + t1 + 2) >> 2;
-    SRC(1,0)=SRC(2,2)=SRC(3,4)=SRC(4,6)= (t0 + t1 + 1) >> 1;
-    SRC(2,1)=SRC(3,3)=SRC(4,5)=SRC(5,7)= (t0 + 2*t1 + t2 + 2) >> 2;
-    SRC(2,0)=SRC(3,2)=SRC(4,4)=SRC(5,6)= (t1 + t2 + 1) >> 1;
-    SRC(3,1)=SRC(4,3)=SRC(5,5)=SRC(6,7)= (t1 + 2*t2 + t3 + 2) >> 2;
-    SRC(3,0)=SRC(4,2)=SRC(5,4)=SRC(6,6)= (t2 + t3 + 1) >> 1;
-    SRC(4,1)=SRC(5,3)=SRC(6,5)=SRC(7,7)= (t2 + 2*t3 + t4 + 2) >> 2;
-    SRC(4,0)=SRC(5,2)=SRC(6,4)=SRC(7,6)= (t3 + t4 + 1) >> 1;
-    SRC(5,1)=SRC(6,3)=SRC(7,5)= (t3 + 2*t4 + t5 + 2) >> 2;
-    SRC(5,0)=SRC(6,2)=SRC(7,4)= (t4 + t5 + 1) >> 1;
-    SRC(6,1)=SRC(7,3)= (t4 + 2*t5 + t6 + 2) >> 2;
-    SRC(6,0)=SRC(7,2)= (t5 + t6 + 1) >> 1;
-    SRC(7,1)= (t5 + 2*t6 + t7 + 2) >> 2;
-    SRC(7,0)= (t6 + t7 + 1) >> 1;
-}
-static void pred8x8l_horizontal_down_c(uint8_t *src, int has_topleft, int has_topright, int stride)
-{
-    PREDICT_8x8_LOAD_TOP;
-    PREDICT_8x8_LOAD_LEFT;
-    PREDICT_8x8_LOAD_TOPLEFT;
-    SRC(0,7)= (l6 + l7 + 1) >> 1;
-    SRC(1,7)= (l5 + 2*l6 + l7 + 2) >> 2;
-    SRC(0,6)=SRC(2,7)= (l5 + l6 + 1) >> 1;
-    SRC(1,6)=SRC(3,7)= (l4 + 2*l5 + l6 + 2) >> 2;
-    SRC(0,5)=SRC(2,6)=SRC(4,7)= (l4 + l5 + 1) >> 1;
-    SRC(1,5)=SRC(3,6)=SRC(5,7)= (l3 + 2*l4 + l5 + 2) >> 2;
-    SRC(0,4)=SRC(2,5)=SRC(4,6)=SRC(6,7)= (l3 + l4 + 1) >> 1;
-    SRC(1,4)=SRC(3,5)=SRC(5,6)=SRC(7,7)= (l2 + 2*l3 + l4 + 2) >> 2;
-    SRC(0,3)=SRC(2,4)=SRC(4,5)=SRC(6,6)= (l2 + l3 + 1) >> 1;
-    SRC(1,3)=SRC(3,4)=SRC(5,5)=SRC(7,6)= (l1 + 2*l2 + l3 + 2) >> 2;
-    SRC(0,2)=SRC(2,3)=SRC(4,4)=SRC(6,5)= (l1 + l2 + 1) >> 1;
-    SRC(1,2)=SRC(3,3)=SRC(5,4)=SRC(7,5)= (l0 + 2*l1 + l2 + 2) >> 2;
-    SRC(0,1)=SRC(2,2)=SRC(4,3)=SRC(6,4)= (l0 + l1 + 1) >> 1;
-    SRC(1,1)=SRC(3,2)=SRC(5,3)=SRC(7,4)= (lt + 2*l0 + l1 + 2) >> 2;
-    SRC(0,0)=SRC(2,1)=SRC(4,2)=SRC(6,3)= (lt + l0 + 1) >> 1;
-    SRC(1,0)=SRC(3,1)=SRC(5,2)=SRC(7,3)= (l0 + 2*lt + t0 + 2) >> 2;
-    SRC(2,0)=SRC(4,1)=SRC(6,2)= (t1 + 2*t0 + lt + 2) >> 2;
-    SRC(3,0)=SRC(5,1)=SRC(7,2)= (t2 + 2*t1 + t0 + 2) >> 2;
-    SRC(4,0)=SRC(6,1)= (t3 + 2*t2 + t1 + 2) >> 2;
-    SRC(5,0)=SRC(7,1)= (t4 + 2*t3 + t2 + 2) >> 2;
-    SRC(6,0)= (t5 + 2*t4 + t3 + 2) >> 2;
-    SRC(7,0)= (t6 + 2*t5 + t4 + 2) >> 2;
-}
-static void pred8x8l_vertical_left_c(uint8_t *src, int has_topleft, int has_topright, int stride)
-{
-    PREDICT_8x8_LOAD_TOP;
-    PREDICT_8x8_LOAD_TOPRIGHT;
-    SRC(0,0)= (t0 + t1 + 1) >> 1;
-    SRC(0,1)= (t0 + 2*t1 + t2 + 2) >> 2;
-    SRC(0,2)=SRC(1,0)= (t1 + t2 + 1) >> 1;
-    SRC(0,3)=SRC(1,1)= (t1 + 2*t2 + t3 + 2) >> 2;
-    SRC(0,4)=SRC(1,2)=SRC(2,0)= (t2 + t3 + 1) >> 1;
-    SRC(0,5)=SRC(1,3)=SRC(2,1)= (t2 + 2*t3 + t4 + 2) >> 2;
-    SRC(0,6)=SRC(1,4)=SRC(2,2)=SRC(3,0)= (t3 + t4 + 1) >> 1;
-    SRC(0,7)=SRC(1,5)=SRC(2,3)=SRC(3,1)= (t3 + 2*t4 + t5 + 2) >> 2;
-    SRC(1,6)=SRC(2,4)=SRC(3,2)=SRC(4,0)= (t4 + t5 + 1) >> 1;
-    SRC(1,7)=SRC(2,5)=SRC(3,3)=SRC(4,1)= (t4 + 2*t5 + t6 + 2) >> 2;
-    SRC(2,6)=SRC(3,4)=SRC(4,2)=SRC(5,0)= (t5 + t6 + 1) >> 1;
-    SRC(2,7)=SRC(3,5)=SRC(4,3)=SRC(5,1)= (t5 + 2*t6 + t7 + 2) >> 2;
-    SRC(3,6)=SRC(4,4)=SRC(5,2)=SRC(6,0)= (t6 + t7 + 1) >> 1;
-    SRC(3,7)=SRC(4,5)=SRC(5,3)=SRC(6,1)= (t6 + 2*t7 + t8 + 2) >> 2;
-    SRC(4,6)=SRC(5,4)=SRC(6,2)=SRC(7,0)= (t7 + t8 + 1) >> 1;
-    SRC(4,7)=SRC(5,5)=SRC(6,3)=SRC(7,1)= (t7 + 2*t8 + t9 + 2) >> 2;
-    SRC(5,6)=SRC(6,4)=SRC(7,2)= (t8 + t9 + 1) >> 1;
-    SRC(5,7)=SRC(6,5)=SRC(7,3)= (t8 + 2*t9 + t10 + 2) >> 2;
-    SRC(6,6)=SRC(7,4)= (t9 + t10 + 1) >> 1;
-    SRC(6,7)=SRC(7,5)= (t9 + 2*t10 + t11 + 2) >> 2;
-    SRC(7,6)= (t10 + t11 + 1) >> 1;
-    SRC(7,7)= (t10 + 2*t11 + t12 + 2) >> 2;
-}
-static void pred8x8l_horizontal_up_c(uint8_t *src, int has_topleft, int has_topright, int stride)
-{
-    PREDICT_8x8_LOAD_LEFT;
-    SRC(0,0)= (l0 + l1 + 1) >> 1;
-    SRC(1,0)= (l0 + 2*l1 + l2 + 2) >> 2;
-    SRC(0,1)=SRC(2,0)= (l1 + l2 + 1) >> 1;
-    SRC(1,1)=SRC(3,0)= (l1 + 2*l2 + l3 + 2) >> 2;
-    SRC(0,2)=SRC(2,1)=SRC(4,0)= (l2 + l3 + 1) >> 1;
-    SRC(1,2)=SRC(3,1)=SRC(5,0)= (l2 + 2*l3 + l4 + 2) >> 2;
-    SRC(0,3)=SRC(2,2)=SRC(4,1)=SRC(6,0)= (l3 + l4 + 1) >> 1;
-    SRC(1,3)=SRC(3,2)=SRC(5,1)=SRC(7,0)= (l3 + 2*l4 + l5 + 2) >> 2;
-    SRC(0,4)=SRC(2,3)=SRC(4,2)=SRC(6,1)= (l4 + l5 + 1) >> 1;
-    SRC(1,4)=SRC(3,3)=SRC(5,2)=SRC(7,1)= (l4 + 2*l5 + l6 + 2) >> 2;
-    SRC(0,5)=SRC(2,4)=SRC(4,3)=SRC(6,2)= (l5 + l6 + 1) >> 1;
-    SRC(1,5)=SRC(3,4)=SRC(5,3)=SRC(7,2)= (l5 + 2*l6 + l7 + 2) >> 2;
-    SRC(0,6)=SRC(2,5)=SRC(4,4)=SRC(6,3)= (l6 + l7 + 1) >> 1;
-    SRC(1,6)=SRC(3,5)=SRC(5,4)=SRC(7,3)= (l6 + 3*l7 + 2) >> 2;
-    SRC(0,7)=SRC(1,7)=SRC(2,6)=SRC(2,7)=SRC(3,6)=
-    SRC(3,7)=SRC(4,5)=SRC(4,6)=SRC(4,7)=SRC(5,5)=
-    SRC(5,6)=SRC(5,7)=SRC(6,4)=SRC(6,5)=SRC(6,6)=
-    SRC(6,7)=SRC(7,4)=SRC(7,5)=SRC(7,6)=SRC(7,7)= l7;
-}
-#undef PREDICT_8x8_LOAD_LEFT
-#undef PREDICT_8x8_LOAD_TOP
-#undef PREDICT_8x8_LOAD_TOPLEFT
-#undef PREDICT_8x8_LOAD_TOPRIGHT
-#undef PREDICT_8x8_DC
-#undef PTR
-#undef PT
-#undef PL
-#undef SRC
-
-static inline void mc_dir_part(H264Context *h, Picture *pic, int n, int square, int chroma_height, int delta, int list,
-                           uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
-                           int src_x_offset, int src_y_offset,
-                           qpel_mc_func *qpix_op, h264_chroma_mc_func chroma_op){
-    MpegEncContext * const s = &h->s;
-    const int mx= h->mv_cache[list][ scan8[n] ][0] + src_x_offset*8;
-    int my=       h->mv_cache[list][ scan8[n] ][1] + src_y_offset*8;
-    const int luma_xy= (mx&3) + ((my&3)<<2);
-    uint8_t * src_y = pic->data[0] + (mx>>2) + (my>>2)*h->mb_linesize;
-    uint8_t * src_cb, * src_cr;
-    int extra_width= h->emu_edge_width;
-    int extra_height= h->emu_edge_height;
-    int emu=0;
-    const int full_mx= mx>>2;
-    const int full_my= my>>2;
-    const int pic_width  = 16*s->mb_width;
-    const int pic_height = 16*s->mb_height >> MB_MBAFF;
-
-    if(!pic->data[0]) //FIXME this is unacceptable, some senseable error concealment must be done for missing reference frames
-        return;
-
-    if(mx&7) extra_width -= 3;
-    if(my&7) extra_height -= 3;
-
-    if(   full_mx < 0-extra_width
-       || full_my < 0-extra_height
-       || full_mx + 16/*FIXME*/ > pic_width + extra_width
-       || full_my + 16/*FIXME*/ > pic_height + extra_height){
-        ff_emulated_edge_mc(s->edge_emu_buffer, src_y - 2 - 2*h->mb_linesize, h->mb_linesize, 16+5, 16+5/*FIXME*/, full_mx-2, full_my-2, pic_width, pic_height);
-            src_y= s->edge_emu_buffer + 2 + 2*h->mb_linesize;
-        emu=1;
-    }
-
-    qpix_op[luma_xy](dest_y, src_y, h->mb_linesize); //FIXME try variable height perhaps?
-    if(!square){
-        qpix_op[luma_xy](dest_y + delta, src_y + delta, h->mb_linesize);
-    }
-
-    if(s->flags&CODEC_FLAG_GRAY) return;
-
-    if(MB_MBAFF){
-        // chroma offset when predicting from a field of opposite parity
-        my += 2 * ((s->mb_y & 1) - (h->ref_cache[list][scan8[n]] & 1));
-        emu |= (my>>3) < 0 || (my>>3) + 8 >= (pic_height>>1);
-    }
-    src_cb= pic->data[1] + (mx>>3) + (my>>3)*h->mb_uvlinesize;
-    src_cr= pic->data[2] + (mx>>3) + (my>>3)*h->mb_uvlinesize;
-
-    if(emu){
-        ff_emulated_edge_mc(s->edge_emu_buffer, src_cb, h->mb_uvlinesize, 9, 9/*FIXME*/, (mx>>3), (my>>3), pic_width>>1, pic_height>>1);
-            src_cb= s->edge_emu_buffer;
-    }
-    chroma_op(dest_cb, src_cb, h->mb_uvlinesize, chroma_height, mx&7, my&7);
-
-    if(emu){
-        ff_emulated_edge_mc(s->edge_emu_buffer, src_cr, h->mb_uvlinesize, 9, 9/*FIXME*/, (mx>>3), (my>>3), pic_width>>1, pic_height>>1);
-            src_cr= s->edge_emu_buffer;
-    }
-    chroma_op(dest_cr, src_cr, h->mb_uvlinesize, chroma_height, mx&7, my&7);
-}
-
-static inline void mc_part_std(H264Context *h, int n, int square, int chroma_height, int delta,
-                           uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
-                           int x_offset, int y_offset,
-                           qpel_mc_func *qpix_put, h264_chroma_mc_func chroma_put,
-                           qpel_mc_func *qpix_avg, h264_chroma_mc_func chroma_avg,
-                           int list0, int list1){
-    MpegEncContext * const s = &h->s;
-    qpel_mc_func *qpix_op=  qpix_put;
-    h264_chroma_mc_func chroma_op= chroma_put;
-
-    dest_y  += 2*x_offset + 2*y_offset*h->  mb_linesize;
-    dest_cb +=   x_offset +   y_offset*h->mb_uvlinesize;
-    dest_cr +=   x_offset +   y_offset*h->mb_uvlinesize;
-    x_offset += 8*s->mb_x;
-    y_offset += 8*(s->mb_y >> MB_MBAFF);
-
-    if(list0){
-        Picture *ref= &h->ref_list[0][ h->ref_cache[0][ scan8[n] ] ];
-        mc_dir_part(h, ref, n, square, chroma_height, delta, 0,
-                           dest_y, dest_cb, dest_cr, x_offset, y_offset,
-                           qpix_op, chroma_op);
-
-        qpix_op=  qpix_avg;
-        chroma_op= chroma_avg;
-    }
-
-    if(list1){
-        Picture *ref= &h->ref_list[1][ h->ref_cache[1][ scan8[n] ] ];
-        mc_dir_part(h, ref, n, square, chroma_height, delta, 1,
-                           dest_y, dest_cb, dest_cr, x_offset, y_offset,
-                           qpix_op, chroma_op);
-    }
-}
-
-static inline void mc_part_weighted(H264Context *h, int n, int square, int chroma_height, int delta,
-                           uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
-                           int x_offset, int y_offset,
-                           qpel_mc_func *qpix_put, h264_chroma_mc_func chroma_put,
-                           h264_weight_func luma_weight_op, h264_weight_func chroma_weight_op,
-                           h264_biweight_func luma_weight_avg, h264_biweight_func chroma_weight_avg,
-                           int list0, int list1){
-    MpegEncContext * const s = &h->s;
-
-    dest_y  += 2*x_offset + 2*y_offset*h->  mb_linesize;
-    dest_cb +=   x_offset +   y_offset*h->mb_uvlinesize;
-    dest_cr +=   x_offset +   y_offset*h->mb_uvlinesize;
-    x_offset += 8*s->mb_x;
-    y_offset += 8*(s->mb_y >> MB_MBAFF);
-
-    if(list0 && list1){
-        /* don't optimize for luma-only case, since B-frames usually
-         * use implicit weights => chroma too. */
-        uint8_t *tmp_cb = s->obmc_scratchpad;
-        uint8_t *tmp_cr = s->obmc_scratchpad + 8;
-        uint8_t *tmp_y  = s->obmc_scratchpad + 8*h->mb_uvlinesize;
-        int refn0 = h->ref_cache[0][ scan8[n] ];
-        int refn1 = h->ref_cache[1][ scan8[n] ];
-
-        mc_dir_part(h, &h->ref_list[0][refn0], n, square, chroma_height, delta, 0,
-                    dest_y, dest_cb, dest_cr,
-                    x_offset, y_offset, qpix_put, chroma_put);
-        mc_dir_part(h, &h->ref_list[1][refn1], n, square, chroma_height, delta, 1,
-                    tmp_y, tmp_cb, tmp_cr,
-                    x_offset, y_offset, qpix_put, chroma_put);
-
-        if(h->use_weight == 2){
-            int weight0 = h->implicit_weight[refn0][refn1];
-            int weight1 = 64 - weight0;
-            luma_weight_avg(  dest_y,  tmp_y,  h->  mb_linesize, 5, weight0, weight1, 0);
-            chroma_weight_avg(dest_cb, tmp_cb, h->mb_uvlinesize, 5, weight0, weight1, 0);
-            chroma_weight_avg(dest_cr, tmp_cr, h->mb_uvlinesize, 5, weight0, weight1, 0);
-        }else{
-            luma_weight_avg(dest_y, tmp_y, h->mb_linesize, h->luma_log2_weight_denom,
-                            h->luma_weight[0][refn0], h->luma_weight[1][refn1],
-                            h->luma_offset[0][refn0] + h->luma_offset[1][refn1]);
-            chroma_weight_avg(dest_cb, tmp_cb, h->mb_uvlinesize, h->chroma_log2_weight_denom,
-                            h->chroma_weight[0][refn0][0], h->chroma_weight[1][refn1][0],
-                            h->chroma_offset[0][refn0][0] + h->chroma_offset[1][refn1][0]);
-            chroma_weight_avg(dest_cr, tmp_cr, h->mb_uvlinesize, h->chroma_log2_weight_denom,
-                            h->chroma_weight[0][refn0][1], h->chroma_weight[1][refn1][1],
-                            h->chroma_offset[0][refn0][1] + h->chroma_offset[1][refn1][1]);
-        }
-    }else{
-        int list = list1 ? 1 : 0;
-        int refn = h->ref_cache[list][ scan8[n] ];
-        Picture *ref= &h->ref_list[list][refn];
-        mc_dir_part(h, ref, n, square, chroma_height, delta, list,
-                    dest_y, dest_cb, dest_cr, x_offset, y_offset,
-                    qpix_put, chroma_put);
-
-        luma_weight_op(dest_y, h->mb_linesize, h->luma_log2_weight_denom,
-                       h->luma_weight[list][refn], h->luma_offset[list][refn]);
-        if(h->use_weight_chroma){
-            chroma_weight_op(dest_cb, h->mb_uvlinesize, h->chroma_log2_weight_denom,
-                             h->chroma_weight[list][refn][0], h->chroma_offset[list][refn][0]);
-            chroma_weight_op(dest_cr, h->mb_uvlinesize, h->chroma_log2_weight_denom,
-                             h->chroma_weight[list][refn][1], h->chroma_offset[list][refn][1]);
-        }
-    }
-}
-
-static inline void mc_part(H264Context *h, int n, int square, int chroma_height, int delta,
-                           uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
-                           int x_offset, int y_offset,
-                           qpel_mc_func *qpix_put, h264_chroma_mc_func chroma_put,
-                           qpel_mc_func *qpix_avg, h264_chroma_mc_func chroma_avg,
-                           h264_weight_func *weight_op, h264_biweight_func *weight_avg,
-                           int list0, int list1){
-    if((h->use_weight==2 && list0 && list1
-        && (h->implicit_weight[ h->ref_cache[0][scan8[n]] ][ h->ref_cache[1][scan8[n]] ] != 32))
-       || h->use_weight==1)
-        mc_part_weighted(h, n, square, chroma_height, delta, dest_y, dest_cb, dest_cr,
-                         x_offset, y_offset, qpix_put, chroma_put,
-                         weight_op[0], weight_op[3], weight_avg[0], weight_avg[3], list0, list1);
-    else
-        mc_part_std(h, n, square, chroma_height, delta, dest_y, dest_cb, dest_cr,
-                    x_offset, y_offset, qpix_put, chroma_put, qpix_avg, chroma_avg, list0, list1);
-}
-
-static inline void prefetch_motion(H264Context *h, int list){
-    /* fetch pixels for estimated mv 4 macroblocks ahead
-     * optimized for 64byte cache lines */
-    MpegEncContext * const s = &h->s;
-    const int refn = h->ref_cache[list][scan8[0]];
-    if(refn >= 0){
-        const int mx= (h->mv_cache[list][scan8[0]][0]>>2) + 16*s->mb_x + 8;
-        const int my= (h->mv_cache[list][scan8[0]][1]>>2) + 16*s->mb_y;
-        uint8_t **src= h->ref_list[list][refn].data;
-        int off= mx + (my + (s->mb_x&3)*4)*h->mb_linesize + 64;
-        s->dsp.prefetch(src[0]+off, s->linesize, 4);
-        off= (mx>>1) + ((my>>1) + (s->mb_x&7))*s->uvlinesize + 64;
-        s->dsp.prefetch(src[1]+off, src[2]-src[1], 2);
-    }
-}
-
-static void hl_motion(H264Context *h, uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
-                      qpel_mc_func (*qpix_put)[16], h264_chroma_mc_func (*chroma_put),
-                      qpel_mc_func (*qpix_avg)[16], h264_chroma_mc_func (*chroma_avg),
-                      h264_weight_func *weight_op, h264_biweight_func *weight_avg){
-    MpegEncContext * const s = &h->s;
-    const int mb_xy= s->mb_x + s->mb_y*s->mb_stride;
-    const int mb_type= s->current_picture.mb_type[mb_xy];
-
-    assert(IS_INTER(mb_type));
-
-    prefetch_motion(h, 0);
-
-    if(IS_16X16(mb_type)){
-        mc_part(h, 0, 1, 8, 0, dest_y, dest_cb, dest_cr, 0, 0,
-                qpix_put[0], chroma_put[0], qpix_avg[0], chroma_avg[0],
-                &weight_op[0], &weight_avg[0],
-                IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1));
-    }else if(IS_16X8(mb_type)){
-        mc_part(h, 0, 0, 4, 8, dest_y, dest_cb, dest_cr, 0, 0,
-                qpix_put[1], chroma_put[0], qpix_avg[1], chroma_avg[0],
-                &weight_op[1], &weight_avg[1],
-                IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1));
-        mc_part(h, 8, 0, 4, 8, dest_y, dest_cb, dest_cr, 0, 4,
-                qpix_put[1], chroma_put[0], qpix_avg[1], chroma_avg[0],
-                &weight_op[1], &weight_avg[1],
-                IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1));
-    }else if(IS_8X16(mb_type)){
-        mc_part(h, 0, 0, 8, 8*h->mb_linesize, dest_y, dest_cb, dest_cr, 0, 0,
-                qpix_put[1], chroma_put[1], qpix_avg[1], chroma_avg[1],
-                &weight_op[2], &weight_avg[2],
-                IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1));
-        mc_part(h, 4, 0, 8, 8*h->mb_linesize, dest_y, dest_cb, dest_cr, 4, 0,
-                qpix_put[1], chroma_put[1], qpix_avg[1], chroma_avg[1],
-                &weight_op[2], &weight_avg[2],
-                IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1));
-    }else{
-        int i;
-
-        assert(IS_8X8(mb_type));
-
-        for(i=0; i<4; i++){
-            const int sub_mb_type= h->sub_mb_type[i];
-            const int n= 4*i;
-            int x_offset= (i&1)<<2;
-            int y_offset= (i&2)<<1;
-
-            if(IS_SUB_8X8(sub_mb_type)){
-                mc_part(h, n, 1, 4, 0, dest_y, dest_cb, dest_cr, x_offset, y_offset,
-                    qpix_put[1], chroma_put[1], qpix_avg[1], chroma_avg[1],
-                    &weight_op[3], &weight_avg[3],
-                    IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
-            }else if(IS_SUB_8X4(sub_mb_type)){
-                mc_part(h, n  , 0, 2, 4, dest_y, dest_cb, dest_cr, x_offset, y_offset,
-                    qpix_put[2], chroma_put[1], qpix_avg[2], chroma_avg[1],
-                    &weight_op[4], &weight_avg[4],
-                    IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
-                mc_part(h, n+2, 0, 2, 4, dest_y, dest_cb, dest_cr, x_offset, y_offset+2,
-                    qpix_put[2], chroma_put[1], qpix_avg[2], chroma_avg[1],
-                    &weight_op[4], &weight_avg[4],
-                    IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
-            }else if(IS_SUB_4X8(sub_mb_type)){
-                mc_part(h, n  , 0, 4, 4*h->mb_linesize, dest_y, dest_cb, dest_cr, x_offset, y_offset,
-                    qpix_put[2], chroma_put[2], qpix_avg[2], chroma_avg[2],
-                    &weight_op[5], &weight_avg[5],
-                    IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
-                mc_part(h, n+1, 0, 4, 4*h->mb_linesize, dest_y, dest_cb, dest_cr, x_offset+2, y_offset,
-                    qpix_put[2], chroma_put[2], qpix_avg[2], chroma_avg[2],
-                    &weight_op[5], &weight_avg[5],
-                    IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
-            }else{
-                int j;
-                assert(IS_SUB_4X4(sub_mb_type));
-                for(j=0; j<4; j++){
-                    int sub_x_offset= x_offset + 2*(j&1);
-                    int sub_y_offset= y_offset +   (j&2);
-                    mc_part(h, n+j, 1, 2, 0, dest_y, dest_cb, dest_cr, sub_x_offset, sub_y_offset,
-                        qpix_put[2], chroma_put[2], qpix_avg[2], chroma_avg[2],
-                        &weight_op[6], &weight_avg[6],
-                        IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
-                }
-            }
-        }
-    }
-
-    prefetch_motion(h, 1);
-}
-
-static void decode_init_vlc(void){
-    static int done = 0;
-
-    if (!done) {
-        int i;
-        done = 1;
-
-        init_vlc(&chroma_dc_coeff_token_vlc, CHROMA_DC_COEFF_TOKEN_VLC_BITS, 4*5,
-                 &chroma_dc_coeff_token_len [0], 1, 1,
-                 &chroma_dc_coeff_token_bits[0], 1, 1, 1);
-
-        for(i=0; i<4; i++){
-            init_vlc(&coeff_token_vlc[i], COEFF_TOKEN_VLC_BITS, 4*17,
-                     &coeff_token_len [i][0], 1, 1,
-                     &coeff_token_bits[i][0], 1, 1, 1);
-        }
-
-        for(i=0; i<3; i++){
-            init_vlc(&chroma_dc_total_zeros_vlc[i], CHROMA_DC_TOTAL_ZEROS_VLC_BITS, 4,
-                     &chroma_dc_total_zeros_len [i][0], 1, 1,
-                     &chroma_dc_total_zeros_bits[i][0], 1, 1, 1);
-        }
-        for(i=0; i<15; i++){
-            init_vlc(&total_zeros_vlc[i], TOTAL_ZEROS_VLC_BITS, 16,
-                     &total_zeros_len [i][0], 1, 1,
-                     &total_zeros_bits[i][0], 1, 1, 1);
-        }
-
-        for(i=0; i<6; i++){
-            init_vlc(&run_vlc[i], RUN_VLC_BITS, 7,
-                     &run_len [i][0], 1, 1,
-                     &run_bits[i][0], 1, 1, 1);
-        }
-        init_vlc(&run7_vlc, RUN7_VLC_BITS, 16,
-                 &run_len [6][0], 1, 1,
-                 &run_bits[6][0], 1, 1, 1);
-    }
-}
-
-/**
- * Sets the intra prediction function pointers.
- */
-static void init_pred_ptrs(H264Context *h){
-//    MpegEncContext * const s = &h->s;
-
-    h->pred4x4[VERT_PRED           ]= pred4x4_vertical_c;
-    h->pred4x4[HOR_PRED            ]= pred4x4_horizontal_c;
-    h->pred4x4[DC_PRED             ]= pred4x4_dc_c;
-    h->pred4x4[DIAG_DOWN_LEFT_PRED ]= pred4x4_down_left_c;
-    h->pred4x4[DIAG_DOWN_RIGHT_PRED]= pred4x4_down_right_c;
-    h->pred4x4[VERT_RIGHT_PRED     ]= pred4x4_vertical_right_c;
-    h->pred4x4[HOR_DOWN_PRED       ]= pred4x4_horizontal_down_c;
-    h->pred4x4[VERT_LEFT_PRED      ]= pred4x4_vertical_left_c;
-    h->pred4x4[HOR_UP_PRED         ]= pred4x4_horizontal_up_c;
-    h->pred4x4[LEFT_DC_PRED        ]= pred4x4_left_dc_c;
-    h->pred4x4[TOP_DC_PRED         ]= pred4x4_top_dc_c;
-    h->pred4x4[DC_128_PRED         ]= pred4x4_128_dc_c;
-
-    h->pred8x8l[VERT_PRED           ]= pred8x8l_vertical_c;
-    h->pred8x8l[HOR_PRED            ]= pred8x8l_horizontal_c;
-    h->pred8x8l[DC_PRED             ]= pred8x8l_dc_c;
-    h->pred8x8l[DIAG_DOWN_LEFT_PRED ]= pred8x8l_down_left_c;
-    h->pred8x8l[DIAG_DOWN_RIGHT_PRED]= pred8x8l_down_right_c;
-    h->pred8x8l[VERT_RIGHT_PRED     ]= pred8x8l_vertical_right_c;
-    h->pred8x8l[HOR_DOWN_PRED       ]= pred8x8l_horizontal_down_c;
-    h->pred8x8l[VERT_LEFT_PRED      ]= pred8x8l_vertical_left_c;
-    h->pred8x8l[HOR_UP_PRED         ]= pred8x8l_horizontal_up_c;
-    h->pred8x8l[LEFT_DC_PRED        ]= pred8x8l_left_dc_c;
-    h->pred8x8l[TOP_DC_PRED         ]= pred8x8l_top_dc_c;
-    h->pred8x8l[DC_128_PRED         ]= pred8x8l_128_dc_c;
-
-    h->pred8x8[DC_PRED8x8     ]= ff_pred8x8_dc_c;
-    h->pred8x8[VERT_PRED8x8   ]= ff_pred8x8_vertical_c;
-    h->pred8x8[HOR_PRED8x8    ]= ff_pred8x8_horizontal_c;
-    h->pred8x8[PLANE_PRED8x8  ]= ff_pred8x8_plane_c;
-    h->pred8x8[LEFT_DC_PRED8x8]= pred8x8_left_dc_c;
-    h->pred8x8[TOP_DC_PRED8x8 ]= pred8x8_top_dc_c;
-    h->pred8x8[DC_128_PRED8x8 ]= ff_pred8x8_128_dc_c;
-
-    h->pred16x16[DC_PRED8x8     ]= ff_pred16x16_dc_c;
-    h->pred16x16[VERT_PRED8x8   ]= ff_pred16x16_vertical_c;
-    h->pred16x16[HOR_PRED8x8    ]= ff_pred16x16_horizontal_c;
-    h->pred16x16[PLANE_PRED8x8  ]= ff_pred16x16_plane_c;
-    h->pred16x16[LEFT_DC_PRED8x8]= pred16x16_left_dc_c;
-    h->pred16x16[TOP_DC_PRED8x8 ]= pred16x16_top_dc_c;
-    h->pred16x16[DC_128_PRED8x8 ]= ff_pred16x16_128_dc_c;
-}
-
-static void free_tables(H264Context *h){
-    av_freep(&h->intra4x4_pred_mode);
-    av_freep(&h->chroma_pred_mode_table);
-    av_freep(&h->cbp_table);
-    av_freep(&h->mvd_table[0]);
-    av_freep(&h->mvd_table[1]);
-    av_freep(&h->direct_table);
-    av_freep(&h->non_zero_count);
-    av_freep(&h->slice_table_base);
-    av_freep(&h->top_borders[1]);
-    av_freep(&h->top_borders[0]);
-    h->slice_table= NULL;
-
-    av_freep(&h->mb2b_xy);
-    av_freep(&h->mb2b8_xy);
-
-    av_freep(&h->s.obmc_scratchpad);
-}
-
-static void init_dequant8_coeff_table(H264Context *h){
-    int i,q,x;
-    const int transpose = (h->s.dsp.h264_idct8_add != ff_h264_idct8_add_c); //FIXME ugly
-    h->dequant8_coeff[0] = h->dequant8_buffer[0];
-    h->dequant8_coeff[1] = h->dequant8_buffer[1];
-
-    for(i=0; i<2; i++ ){
-        if(i && !memcmp(h->pps.scaling_matrix8[0], h->pps.scaling_matrix8[1], 64*sizeof(uint8_t))){
-            h->dequant8_coeff[1] = h->dequant8_buffer[0];
-            break;
-        }
-
-        for(q=0; q<52; q++){
-            int shift = ff_div6[q];
-            int idx = ff_rem6[q];
-            for(x=0; x<64; x++)
-                h->dequant8_coeff[i][q][transpose ? (x>>3)|((x&7)<<3) : x] =
-                    ((uint32_t)dequant8_coeff_init[idx][ dequant8_coeff_init_scan[((x>>1)&12) | (x&3)] ] *
-                    h->pps.scaling_matrix8[i][x]) << shift;
-        }
-    }
-}
-
-static void init_dequant4_coeff_table(H264Context *h){
-    int i,j,q,x;
-    const int transpose = (h->s.dsp.h264_idct_add != ff_h264_idct_add_c); //FIXME ugly
-    for(i=0; i<6; i++ ){
-        h->dequant4_coeff[i] = h->dequant4_buffer[i];
-        for(j=0; j<i; j++){
-            if(!memcmp(h->pps.scaling_matrix4[j], h->pps.scaling_matrix4[i], 16*sizeof(uint8_t))){
-                h->dequant4_coeff[i] = h->dequant4_buffer[j];
-                break;
-            }
-        }
-        if(j<i)
-            continue;
-
-        for(q=0; q<52; q++){
-            int shift = ff_div6[q] + 2;
-            int idx = ff_rem6[q];
-            for(x=0; x<16; x++)
-                h->dequant4_coeff[i][q][transpose ? (x>>2)|((x<<2)&0xF) : x] =
-                    ((uint32_t)dequant4_coeff_init[idx][(x&1) + ((x>>2)&1)] *
-                    h->pps.scaling_matrix4[i][x]) << shift;
-        }
-    }
-}
-
-static void init_dequant_tables(H264Context *h){
-    int i,x;
-    init_dequant4_coeff_table(h);
-    if(h->pps.transform_8x8_mode)
-        init_dequant8_coeff_table(h);
-    if(h->sps.transform_bypass){
-        for(i=0; i<6; i++)
-            for(x=0; x<16; x++)
-                h->dequant4_coeff[i][0][x] = 1<<6;
-        if(h->pps.transform_8x8_mode)
-            for(i=0; i<2; i++)
-                for(x=0; x<64; x++)
-                    h->dequant8_coeff[i][0][x] = 1<<6;
-    }
-}
-
-
-/**
- * allocates tables.
- * needs width/height
- */
-static int alloc_tables(H264Context *h){
-    MpegEncContext * const s = &h->s;
-    const int big_mb_num= s->mb_stride * (s->mb_height+1);
-    int x,y;
-
-    CHECKED_ALLOCZ(h->intra4x4_pred_mode, big_mb_num * 8  * sizeof(uint8_t))
-
-    CHECKED_ALLOCZ(h->non_zero_count    , big_mb_num * 16 * sizeof(uint8_t))
-    CHECKED_ALLOCZ(h->slice_table_base  , (big_mb_num+s->mb_stride) * sizeof(uint8_t))
-    CHECKED_ALLOCZ(h->top_borders[0]    , s->mb_width * (16+8+8) * sizeof(uint8_t))
-    CHECKED_ALLOCZ(h->top_borders[1]    , s->mb_width * (16+8+8) * sizeof(uint8_t))
-    CHECKED_ALLOCZ(h->cbp_table, big_mb_num * sizeof(uint16_t))
-
-    if( h->pps.cabac ) {
-        CHECKED_ALLOCZ(h->chroma_pred_mode_table, big_mb_num * sizeof(uint8_t))
-        CHECKED_ALLOCZ(h->mvd_table[0], 32*big_mb_num * sizeof(uint16_t));
-        CHECKED_ALLOCZ(h->mvd_table[1], 32*big_mb_num * sizeof(uint16_t));
-        CHECKED_ALLOCZ(h->direct_table, 32*big_mb_num * sizeof(uint8_t));
-    }
-
-    memset(h->slice_table_base, -1, (big_mb_num+s->mb_stride)  * sizeof(uint8_t));
-    h->slice_table= h->slice_table_base + s->mb_stride*2 + 1;
-
-    CHECKED_ALLOCZ(h->mb2b_xy  , big_mb_num * sizeof(uint32_t));
-    CHECKED_ALLOCZ(h->mb2b8_xy , big_mb_num * sizeof(uint32_t));
-    for(y=0; y<s->mb_height; y++){
-        for(x=0; x<s->mb_width; x++){
-            const int mb_xy= x + y*s->mb_stride;
-            const int b_xy = 4*x + 4*y*h->b_stride;
-            const int b8_xy= 2*x + 2*y*h->b8_stride;
-
-            h->mb2b_xy [mb_xy]= b_xy;
-            h->mb2b8_xy[mb_xy]= b8_xy;
-        }
-    }
-
-    s->obmc_scratchpad = NULL;
-
-    if(!h->dequant4_coeff[0])
-        init_dequant_tables(h);
-
-    return 0;
-fail:
-    free_tables(h);
-    return -1;
-}
-
-static void common_init(H264Context *h){
-    MpegEncContext * const s = &h->s;
-
-    s->width = s->avctx->width;
-    s->height = s->avctx->height;
-    s->codec_id= s->avctx->codec->id;
-
-    init_pred_ptrs(h);
-
-    h->dequant_coeff_pps= -1;
-    s->unrestricted_mv=1;
-    s->decode=1; //FIXME
-
-    memset(h->pps.scaling_matrix4, 16, 6*16*sizeof(uint8_t));
-    memset(h->pps.scaling_matrix8, 16, 2*64*sizeof(uint8_t));
-}
-
-static int decode_init(AVCodecContext *avctx){
-    H264Context *h= avctx->priv_data;
-    MpegEncContext * const s = &h->s;
-
-    MPV_decode_defaults(s);
-
-    s->avctx = avctx;
-    common_init(h);
-
-    s->out_format = FMT_H264;
-    s->workaround_bugs= avctx->workaround_bugs;
-
-    // set defaults
-//    s->decode_mb= ff_h263_decode_mb;
-    s->low_delay= 1;
-    avctx->pix_fmt= PIX_FMT_YUV420P;
-
-    decode_init_vlc();
-
-    if(avctx->extradata_size > 0 && avctx->extradata &&
-       *(char *)avctx->extradata == 1){
-        h->is_avc = 1;
-        h->got_avcC = 0;
-    } else {
-        h->is_avc = 0;
-    }
-
-    return 0;
-}
-
-static int frame_start(H264Context *h){
-    MpegEncContext * const s = &h->s;
-    int i;
-
-    if(MPV_frame_start(s, s->avctx) < 0)
-        return -1;
-    ff_er_frame_start(s);
-
-    assert(s->linesize && s->uvlinesize);
-
-    for(i=0; i<16; i++){
-        h->block_offset[i]= 4*((scan8[i] - scan8[0])&7) + 4*s->linesize*((scan8[i] - scan8[0])>>3);
-        h->block_offset[24+i]= 4*((scan8[i] - scan8[0])&7) + 8*s->linesize*((scan8[i] - scan8[0])>>3);
-    }
-    for(i=0; i<4; i++){
-        h->block_offset[16+i]=
-        h->block_offset[20+i]= 4*((scan8[i] - scan8[0])&7) + 4*s->uvlinesize*((scan8[i] - scan8[0])>>3);
-        h->block_offset[24+16+i]=
-        h->block_offset[24+20+i]= 4*((scan8[i] - scan8[0])&7) + 8*s->uvlinesize*((scan8[i] - scan8[0])>>3);
-    }
-
-    /* can't be in alloc_tables because linesize isn't known there.
-     * FIXME: redo bipred weight to not require extra buffer? */
-    if(!s->obmc_scratchpad)
-        s->obmc_scratchpad = av_malloc(16*2*s->linesize + 8*2*s->uvlinesize);
-
-    /* some macroblocks will be accessed before they're available */
-    if(FRAME_MBAFF)
-        memset(h->slice_table, -1, (s->mb_height*s->mb_stride-1) * sizeof(uint8_t));
-
-//    s->decode= (s->flags&CODEC_FLAG_PSNR) || !s->encoding || s->current_picture.reference /*|| h->contains_intra*/ || 1;
-    return 0;
-}
-
-static inline void backup_mb_border(H264Context *h, uint8_t *src_y, uint8_t *src_cb, uint8_t *src_cr, int linesize, int uvlinesize){
-    MpegEncContext * const s = &h->s;
-    int i;
-
-    src_y  -=   linesize;
-    src_cb -= uvlinesize;
-    src_cr -= uvlinesize;
-
-    // There are two lines saved, the line above the the top macroblock of a pair,
-    // and the line above the bottom macroblock
-    h->left_border[0]= h->top_borders[0][s->mb_x][15];
-    for(i=1; i<17; i++){
-        h->left_border[i]= src_y[15+i*  linesize];
-    }
-
-    *(uint64_t*)(h->top_borders[0][s->mb_x]+0)= *(uint64_t*)(src_y +  16*linesize);
-    *(uint64_t*)(h->top_borders[0][s->mb_x]+8)= *(uint64_t*)(src_y +8+16*linesize);
-
-    if(!(s->flags&CODEC_FLAG_GRAY)){
-        h->left_border[17  ]= h->top_borders[0][s->mb_x][16+7];
-        h->left_border[17+9]= h->top_borders[0][s->mb_x][24+7];
-        for(i=1; i<9; i++){
-            h->left_border[i+17  ]= src_cb[7+i*uvlinesize];
-            h->left_border[i+17+9]= src_cr[7+i*uvlinesize];
-        }
-        *(uint64_t*)(h->top_borders[0][s->mb_x]+16)= *(uint64_t*)(src_cb+8*uvlinesize);
-        *(uint64_t*)(h->top_borders[0][s->mb_x]+24)= *(uint64_t*)(src_cr+8*uvlinesize);
-    }
-}
-
-static inline void xchg_mb_border(H264Context *h, uint8_t *src_y, uint8_t *src_cb, uint8_t *src_cr, int linesize, int uvlinesize, int xchg){
-    MpegEncContext * const s = &h->s;
-    int temp8, i;
-    uint64_t temp64;
-    int deblock_left = (s->mb_x > 0);
-    int deblock_top  = (s->mb_y > 0);
-
-    src_y  -=   linesize + 1;
-    src_cb -= uvlinesize + 1;
-    src_cr -= uvlinesize + 1;
-
-#define XCHG(a,b,t,xchg)\
-t= a;\
-if(xchg)\
-    a= b;\
-b= t;
-
-    if(deblock_left){
-        for(i = !deblock_top; i<17; i++){
-            XCHG(h->left_border[i     ], src_y [i*  linesize], temp8, xchg);
-        }
-    }
-
-    if(deblock_top){
-        XCHG(*(uint64_t*)(h->top_borders[0][s->mb_x]+0), *(uint64_t*)(src_y +1), temp64, xchg);
-        XCHG(*(uint64_t*)(h->top_borders[0][s->mb_x]+8), *(uint64_t*)(src_y +9), temp64, 1);
-        if(s->mb_x+1 < s->mb_width){
-            XCHG(*(uint64_t*)(h->top_borders[0][s->mb_x+1]), *(uint64_t*)(src_y +17), temp64, 1);
-        }
-    }
-
-    if(!(s->flags&CODEC_FLAG_GRAY)){
-        if(deblock_left){
-            for(i = !deblock_top; i<9; i++){
-                XCHG(h->left_border[i+17  ], src_cb[i*uvlinesize], temp8, xchg);
-                XCHG(h->left_border[i+17+9], src_cr[i*uvlinesize], temp8, xchg);
-            }
-        }
-        if(deblock_top){
-            XCHG(*(uint64_t*)(h->top_borders[0][s->mb_x]+16), *(uint64_t*)(src_cb+1), temp64, 1);
-            XCHG(*(uint64_t*)(h->top_borders[0][s->mb_x]+24), *(uint64_t*)(src_cr+1), temp64, 1);
-        }
-    }
-}
-
-static inline void backup_pair_border(H264Context *h, uint8_t *src_y, uint8_t *src_cb, uint8_t *src_cr, int linesize, int uvlinesize){
-    MpegEncContext * const s = &h->s;
-    int i;
-
-    src_y  -= 2 *   linesize;
-    src_cb -= 2 * uvlinesize;
-    src_cr -= 2 * uvlinesize;
-
-    // There are two lines saved, the line above the the top macroblock of a pair,
-    // and the line above the bottom macroblock
-    h->left_border[0]= h->top_borders[0][s->mb_x][15];
-    h->left_border[1]= h->top_borders[1][s->mb_x][15];
-    for(i=2; i<34; i++){
-        h->left_border[i]= src_y[15+i*  linesize];
-    }
-
-    *(uint64_t*)(h->top_borders[0][s->mb_x]+0)= *(uint64_t*)(src_y +  32*linesize);
-    *(uint64_t*)(h->top_borders[0][s->mb_x]+8)= *(uint64_t*)(src_y +8+32*linesize);
-    *(uint64_t*)(h->top_borders[1][s->mb_x]+0)= *(uint64_t*)(src_y +  33*linesize);
-    *(uint64_t*)(h->top_borders[1][s->mb_x]+8)= *(uint64_t*)(src_y +8+33*linesize);
-
-    if(!(s->flags&CODEC_FLAG_GRAY)){
-        h->left_border[34     ]= h->top_borders[0][s->mb_x][16+7];
-        h->left_border[34+   1]= h->top_borders[1][s->mb_x][16+7];
-        h->left_border[34+18  ]= h->top_borders[0][s->mb_x][24+7];
-        h->left_border[34+18+1]= h->top_borders[1][s->mb_x][24+7];
-        for(i=2; i<18; i++){
-            h->left_border[i+34   ]= src_cb[7+i*uvlinesize];
-            h->left_border[i+34+18]= src_cr[7+i*uvlinesize];
-        }
-        *(uint64_t*)(h->top_borders[0][s->mb_x]+16)= *(uint64_t*)(src_cb+16*uvlinesize);
-        *(uint64_t*)(h->top_borders[0][s->mb_x]+24)= *(uint64_t*)(src_cr+16*uvlinesize);
-        *(uint64_t*)(h->top_borders[1][s->mb_x]+16)= *(uint64_t*)(src_cb+17*uvlinesize);
-        *(uint64_t*)(h->top_borders[1][s->mb_x]+24)= *(uint64_t*)(src_cr+17*uvlinesize);
-    }
-}
-
-static inline void xchg_pair_border(H264Context *h, uint8_t *src_y, uint8_t *src_cb, uint8_t *src_cr, int linesize, int uvlinesize, int xchg){
-    MpegEncContext * const s = &h->s;
-    int temp8, i;
-    uint64_t temp64;
-    int deblock_left = (s->mb_x > 0);
-    int deblock_top  = (s->mb_y > 1);
-
-    tprintf(s->avctx, "xchg_pair_border: src_y:%p src_cb:%p src_cr:%p ls:%d uvls:%d\n", src_y, src_cb, src_cr, linesize, uvlinesize);
-
-    src_y  -= 2 *   linesize + 1;
-    src_cb -= 2 * uvlinesize + 1;
-    src_cr -= 2 * uvlinesize + 1;
-
-#define XCHG(a,b,t,xchg)\
-t= a;\
-if(xchg)\
-    a= b;\
-b= t;
-
-    if(deblock_left){
-        for(i = (!deblock_top)<<1; i<34; i++){
-            XCHG(h->left_border[i     ], src_y [i*  linesize], temp8, xchg);
-        }
-    }
-
-    if(deblock_top){
-        XCHG(*(uint64_t*)(h->top_borders[0][s->mb_x]+0), *(uint64_t*)(src_y +1), temp64, xchg);
-        XCHG(*(uint64_t*)(h->top_borders[0][s->mb_x]+8), *(uint64_t*)(src_y +9), temp64, 1);
-        XCHG(*(uint64_t*)(h->top_borders[1][s->mb_x]+0), *(uint64_t*)(src_y +1 +linesize), temp64, xchg);
-        XCHG(*(uint64_t*)(h->top_borders[1][s->mb_x]+8), *(uint64_t*)(src_y +9 +linesize), temp64, 1);
-        if(s->mb_x+1 < s->mb_width){
-            XCHG(*(uint64_t*)(h->top_borders[0][s->mb_x+1]), *(uint64_t*)(src_y +17), temp64, 1);
-            XCHG(*(uint64_t*)(h->top_borders[1][s->mb_x+1]), *(uint64_t*)(src_y +17 +linesize), temp64, 1);
-        }
-    }
-
-    if(!(s->flags&CODEC_FLAG_GRAY)){
-        if(deblock_left){
-            for(i = (!deblock_top) << 1; i<18; i++){
-                XCHG(h->left_border[i+34   ], src_cb[i*uvlinesize], temp8, xchg);
-                XCHG(h->left_border[i+34+18], src_cr[i*uvlinesize], temp8, xchg);
-            }
-        }
-        if(deblock_top){
-            XCHG(*(uint64_t*)(h->top_borders[0][s->mb_x]+16), *(uint64_t*)(src_cb+1), temp64, 1);
-            XCHG(*(uint64_t*)(h->top_borders[0][s->mb_x]+24), *(uint64_t*)(src_cr+1), temp64, 1);
-            XCHG(*(uint64_t*)(h->top_borders[1][s->mb_x]+16), *(uint64_t*)(src_cb+1 +uvlinesize), temp64, 1);
-            XCHG(*(uint64_t*)(h->top_borders[1][s->mb_x]+24), *(uint64_t*)(src_cr+1 +uvlinesize), temp64, 1);
-        }
-    }
-}
-
-static av_always_inline void hl_decode_mb_internal(H264Context *h, int simple){
-    MpegEncContext * const s = &h->s;
-    const int mb_x= s->mb_x;
-    const int mb_y= s->mb_y;
-    const int mb_xy= mb_x + mb_y*s->mb_stride;
-    const int mb_type= s->current_picture.mb_type[mb_xy];
-    uint8_t  *dest_y, *dest_cb, *dest_cr;
-    int linesize, uvlinesize /*dct_offset*/;
-    int i;
-    int *block_offset = &h->block_offset[0];
-    const unsigned int bottom = mb_y & 1;
-    const int transform_bypass = (s->qscale == 0 && h->sps.transform_bypass), is_h264 = (simple || s->codec_id == CODEC_ID_H264);
-    void (*idct_add)(uint8_t *dst, DCTELEM *block, int stride);
-    void (*idct_dc_add)(uint8_t *dst, DCTELEM *block, int stride);
-
-    dest_y  = s->current_picture.data[0] + (mb_y * 16* s->linesize  ) + mb_x * 16;
-    dest_cb = s->current_picture.data[1] + (mb_y * 8 * s->uvlinesize) + mb_x * 8;
-    dest_cr = s->current_picture.data[2] + (mb_y * 8 * s->uvlinesize) + mb_x * 8;
-
-    s->dsp.prefetch(dest_y + (s->mb_x&3)*4*s->linesize + 64, s->linesize, 4);
-    s->dsp.prefetch(dest_cb + (s->mb_x&7)*s->uvlinesize + 64, dest_cr - dest_cb, 2);
-
-    if (!simple && MB_FIELD) {
-        linesize   = h->mb_linesize   = s->linesize * 2;
-        uvlinesize = h->mb_uvlinesize = s->uvlinesize * 2;
-        block_offset = &h->block_offset[24];
-        if(mb_y&1){ //FIXME move out of this func?
-            dest_y -= s->linesize*15;
-            dest_cb-= s->uvlinesize*7;
-            dest_cr-= s->uvlinesize*7;
-        }
-        if(FRAME_MBAFF) {
-            int list;
-            for(list=0; list<h->list_count; list++){
-                if(!USES_LIST(mb_type, list))
-                    continue;
-                if(IS_16X16(mb_type)){
-                    int8_t *ref = &h->ref_cache[list][scan8[0]];
-                    fill_rectangle(ref, 4, 4, 8, 16+*ref^(s->mb_y&1), 1);
-                }else{
-                    for(i=0; i<16; i+=4){
-                        //FIXME can refs be smaller than 8x8 when !direct_8x8_inference ?
-                        int ref = h->ref_cache[list][scan8[i]];
-                        if(ref >= 0)
-                            fill_rectangle(&h->ref_cache[list][scan8[i]], 2, 2, 8, 16+ref^(s->mb_y&1), 1);
-                    }
-                }
-            }
-        }
-    } else {
-        linesize   = h->mb_linesize   = s->linesize;
-        uvlinesize = h->mb_uvlinesize = s->uvlinesize;
-//        dct_offset = s->linesize * 16;
-    }
-
-    if(transform_bypass){
-        idct_dc_add =
-        idct_add = IS_8x8DCT(mb_type) ? s->dsp.add_pixels8 : s->dsp.add_pixels4;
-    }else if(IS_8x8DCT(mb_type)){
-        idct_dc_add = s->dsp.h264_idct8_dc_add;
-        idct_add = s->dsp.h264_idct8_add;
-    }else{
-        idct_dc_add = s->dsp.h264_idct_dc_add;
-        idct_add = s->dsp.h264_idct_add;
-    }
-
-    if(!simple && FRAME_MBAFF && h->deblocking_filter && IS_INTRA(mb_type)
-       && (!bottom || !IS_INTRA(s->current_picture.mb_type[mb_xy-s->mb_stride]))){
-        int mbt_y = mb_y&~1;
-        uint8_t *top_y  = s->current_picture.data[0] + (mbt_y * 16* s->linesize  ) + mb_x * 16;
-        uint8_t *top_cb = s->current_picture.data[1] + (mbt_y * 8 * s->uvlinesize) + mb_x * 8;
-        uint8_t *top_cr = s->current_picture.data[2] + (mbt_y * 8 * s->uvlinesize) + mb_x * 8;
-        xchg_pair_border(h, top_y, top_cb, top_cr, s->linesize, s->uvlinesize, 1);
-    }
-
-    if (!simple && IS_INTRA_PCM(mb_type)) {
-        unsigned int x, y;
-
-        // The pixels are stored in h->mb array in the same order as levels,
-        // copy them in output in the correct order.
-        for(i=0; i<16; i++) {
-            for (y=0; y<4; y++) {
-                for (x=0; x<4; x++) {
-                    *(dest_y + block_offset[i] + y*linesize + x) = h->mb[i*16+y*4+x];
-                }
-            }
-        }
-        for(i=16; i<16+4; i++) {
-            for (y=0; y<4; y++) {
-                for (x=0; x<4; x++) {
-                    *(dest_cb + block_offset[i] + y*uvlinesize + x) = h->mb[i*16+y*4+x];
-                }
-            }
-        }
-        for(i=20; i<20+4; i++) {
-            for (y=0; y<4; y++) {
-                for (x=0; x<4; x++) {
-                    *(dest_cr + block_offset[i] + y*uvlinesize + x) = h->mb[i*16+y*4+x];
-                }
-            }
-        }
-    } else {
-        if(IS_INTRA(mb_type)){
-            if(h->deblocking_filter && (simple || !FRAME_MBAFF))
-                xchg_mb_border(h, dest_y, dest_cb, dest_cr, linesize, uvlinesize, 1);
-
-            if(simple || !(s->flags&CODEC_FLAG_GRAY)){
-                h->pred8x8[ h->chroma_pred_mode ](dest_cb, uvlinesize);
-                h->pred8x8[ h->chroma_pred_mode ](dest_cr, uvlinesize);
-            }
-
-            if(IS_INTRA4x4(mb_type)){
-                if(simple || !s->encoding){
-                    if(IS_8x8DCT(mb_type)){
-                        for(i=0; i<16; i+=4){
-                            uint8_t * const ptr= dest_y + block_offset[i];
-                            const int dir= h->intra4x4_pred_mode_cache[ scan8[i] ];
-                            const int nnz = h->non_zero_count_cache[ scan8[i] ];
-                            h->pred8x8l[ dir ](ptr, (h->topleft_samples_available<<i)&0x8000,
-                                                   (h->topright_samples_available<<i)&0x4000, linesize);
-                            if(nnz){
-                                if(nnz == 1 && h->mb[i*16])
-                                    idct_dc_add(ptr, h->mb + i*16, linesize);
-                                else
-                                    idct_add(ptr, h->mb + i*16, linesize);
-                            }
-                        }
-                    }else
-                    for(i=0; i<16; i++){
-                        uint8_t * const ptr= dest_y + block_offset[i];
-                        uint8_t *topright;
-                        const int dir= h->intra4x4_pred_mode_cache[ scan8[i] ];
-                        int nnz, tr;
-
-                        if(dir == DIAG_DOWN_LEFT_PRED || dir == VERT_LEFT_PRED){
-                            const int topright_avail= (h->topright_samples_available<<i)&0x8000;
-                            assert(mb_y || linesize <= block_offset[i]);
-                            if(!topright_avail){
-                                tr= ptr[3 - linesize]*0x01010101;
-                                topright= (uint8_t*) &tr;
-                            }else
-                                topright= ptr + 4 - linesize;
-                        }else
-                            topright= NULL;
-
-                        h->pred4x4[ dir ](ptr, topright, linesize);
-                        nnz = h->non_zero_count_cache[ scan8[i] ];
-                        if(nnz){
-                            if(is_h264){
-                                if(nnz == 1 && h->mb[i*16])
-                                    idct_dc_add(ptr, h->mb + i*16, linesize);
-                                else
-                                    idct_add(ptr, h->mb + i*16, linesize);
-                            }else
-                                svq3_add_idct_c(ptr, h->mb + i*16, linesize, s->qscale, 0);
-                        }
-                    }
-                }
-            }else{
-                h->pred16x16[ h->intra16x16_pred_mode ](dest_y , linesize);
-                if(is_h264){
-                    if(!transform_bypass)
-                        h264_luma_dc_dequant_idct_c(h->mb, s->qscale, h->dequant4_coeff[IS_INTRA(mb_type) ? 0:3][s->qscale][0]);
-                }else
-                    svq3_luma_dc_dequant_idct_c(h->mb, s->qscale);
-            }
-            if(h->deblocking_filter && (simple || !FRAME_MBAFF))
-                xchg_mb_border(h, dest_y, dest_cb, dest_cr, linesize, uvlinesize, 0);
-        }else if(is_h264){
-            hl_motion(h, dest_y, dest_cb, dest_cr,
-                      s->me.qpel_put, s->dsp.put_h264_chroma_pixels_tab,
-                      s->me.qpel_avg, s->dsp.avg_h264_chroma_pixels_tab,
-                      s->dsp.weight_h264_pixels_tab, s->dsp.biweight_h264_pixels_tab);
-        }
-
-
-        if(!IS_INTRA4x4(mb_type)){
-            if(is_h264){
-                if(IS_INTRA16x16(mb_type)){
-                    for(i=0; i<16; i++){
-                        if(h->non_zero_count_cache[ scan8[i] ])
-                            idct_add(dest_y + block_offset[i], h->mb + i*16, linesize);
-                        else if(h->mb[i*16])
-                            idct_dc_add(dest_y + block_offset[i], h->mb + i*16, linesize);
-                    }
-                }else{
-                    const int di = IS_8x8DCT(mb_type) ? 4 : 1;
-                    for(i=0; i<16; i+=di){
-                        int nnz = h->non_zero_count_cache[ scan8[i] ];
-                        if(nnz){
-                            if(nnz==1 && h->mb[i*16])
-                                idct_dc_add(dest_y + block_offset[i], h->mb + i*16, linesize);
-                            else
-                                idct_add(dest_y + block_offset[i], h->mb + i*16, linesize);
-                        }
-                    }
-                }
-            }else{
-                for(i=0; i<16; i++){
-                    if(h->non_zero_count_cache[ scan8[i] ] || h->mb[i*16]){ //FIXME benchmark weird rule, & below
-                        uint8_t * const ptr= dest_y + block_offset[i];
-                        svq3_add_idct_c(ptr, h->mb + i*16, linesize, s->qscale, IS_INTRA(mb_type) ? 1 : 0);
-                    }
-                }
-            }
-        }
-
-        if(simple || !(s->flags&CODEC_FLAG_GRAY)){
-            uint8_t *dest[2] = {dest_cb, dest_cr};
-            if(transform_bypass){
-                idct_add = idct_dc_add = s->dsp.add_pixels4;
-            }else{
-                idct_add = s->dsp.h264_idct_add;
-                idct_dc_add = s->dsp.h264_idct_dc_add;
-                chroma_dc_dequant_idct_c(h->mb + 16*16, h->chroma_qp, h->dequant4_coeff[IS_INTRA(mb_type) ? 1:4][h->chroma_qp][0]);
-                chroma_dc_dequant_idct_c(h->mb + 16*16+4*16, h->chroma_qp, h->dequant4_coeff[IS_INTRA(mb_type) ? 2:5][h->chroma_qp][0]);
-            }
-            if(is_h264){
-                for(i=16; i<16+8; i++){
-                    if(h->non_zero_count_cache[ scan8[i] ])
-                        idct_add(dest[(i&4)>>2] + block_offset[i], h->mb + i*16, uvlinesize);
-                    else if(h->mb[i*16])
-                        idct_dc_add(dest[(i&4)>>2] + block_offset[i], h->mb + i*16, uvlinesize);
-                }
-            }else{
-                for(i=16; i<16+8; i++){
-                    if(h->non_zero_count_cache[ scan8[i] ] || h->mb[i*16]){
-                        uint8_t * const ptr= dest[(i&4)>>2] + block_offset[i];
-                        svq3_add_idct_c(ptr, h->mb + i*16, uvlinesize, chroma_qp[s->qscale + 12] - 12, 2);
-                    }
-                }
-            }
-        }
-    }
-    if(h->deblocking_filter) {
-        if (!simple && FRAME_MBAFF) {
-            //FIXME try deblocking one mb at a time?
-            // the reduction in load/storing mvs and such might outweigh the extra backup/xchg_border
-            const int mb_y = s->mb_y - 1;
-            uint8_t  *pair_dest_y, *pair_dest_cb, *pair_dest_cr;
-            const int mb_xy= mb_x + mb_y*s->mb_stride;
-            const int mb_type_top   = s->current_picture.mb_type[mb_xy];
-            const int mb_type_bottom= s->current_picture.mb_type[mb_xy+s->mb_stride];
-            if (!bottom) return;
-            pair_dest_y  = s->current_picture.data[0] + (mb_y * 16* s->linesize  ) + mb_x * 16;
-            pair_dest_cb = s->current_picture.data[1] + (mb_y * 8 * s->uvlinesize) + mb_x * 8;
-            pair_dest_cr = s->current_picture.data[2] + (mb_y * 8 * s->uvlinesize) + mb_x * 8;
-
-            if(IS_INTRA(mb_type_top | mb_type_bottom))
-                xchg_pair_border(h, pair_dest_y, pair_dest_cb, pair_dest_cr, s->linesize, s->uvlinesize, 0);
-
-            backup_pair_border(h, pair_dest_y, pair_dest_cb, pair_dest_cr, s->linesize, s->uvlinesize);
-            // deblock a pair
-            // top
-            s->mb_y--;
-            tprintf(h->s.avctx, "call mbaff filter_mb mb_x:%d mb_y:%d pair_dest_y = %p, dest_y = %p\n", mb_x, mb_y, pair_dest_y, dest_y);
-            fill_caches(h, mb_type_top, 1); //FIXME don't fill stuff which isn't used by filter_mb
-            h->chroma_qp = get_chroma_qp(h->pps.chroma_qp_index_offset, s->current_picture.qscale_table[mb_xy]);
-            filter_mb(h, mb_x, mb_y, pair_dest_y, pair_dest_cb, pair_dest_cr, linesize, uvlinesize);
-            // bottom
-            s->mb_y++;
-            tprintf(h->s.avctx, "call mbaff filter_mb\n");
-            fill_caches(h, mb_type_bottom, 1); //FIXME don't fill stuff which isn't used by filter_mb
-            h->chroma_qp = get_chroma_qp(h->pps.chroma_qp_index_offset, s->current_picture.qscale_table[mb_xy+s->mb_stride]);
-            filter_mb(h, mb_x, mb_y+1, dest_y, dest_cb, dest_cr, linesize, uvlinesize);
-        } else {
-            tprintf(h->s.avctx, "call filter_mb\n");
-            backup_mb_border(h, dest_y, dest_cb, dest_cr, linesize, uvlinesize);
-            fill_caches(h, mb_type, 1); //FIXME don't fill stuff which isn't used by filter_mb
-            filter_mb_fast(h, mb_x, mb_y, dest_y, dest_cb, dest_cr, linesize, uvlinesize);
-        }
-    }
-}
-
-/**
- * Process a macroblock; this case avoids checks for expensive uncommon cases.
- */
-static void hl_decode_mb_simple(H264Context *h){
-    hl_decode_mb_internal(h, 1);
-}
-
-/**
- * Process a macroblock; this handles edge cases, such as interlacing.
- */
-static void av_noinline hl_decode_mb_complex(H264Context *h){
-    hl_decode_mb_internal(h, 0);
-}
-
-static void hl_decode_mb(H264Context *h){
-    MpegEncContext * const s = &h->s;
-    const int mb_x= s->mb_x;
-    const int mb_y= s->mb_y;
-    const int mb_xy= mb_x + mb_y*s->mb_stride;
-    const int mb_type= s->current_picture.mb_type[mb_xy];
-    int is_complex = FRAME_MBAFF || MB_FIELD || IS_INTRA_PCM(mb_type) || s->codec_id != CODEC_ID_H264 || (s->flags&CODEC_FLAG_GRAY) || s->encoding;
-
-    if(!s->decode)
-        return;
-
-    if (is_complex)
-        hl_decode_mb_complex(h);
-    else hl_decode_mb_simple(h);
-}
-
-/**
- * fills the default_ref_list.
- */
-static int fill_default_ref_list(H264Context *h){
-    MpegEncContext * const s = &h->s;
-    int i;
-    int smallest_poc_greater_than_current = -1;
-    Picture sorted_short_ref[32];
-
-    if(h->slice_type==B_TYPE){
-        int out_i;
-        int limit= INT_MIN;
-
-        /* sort frame according to poc in B slice */
-        for(out_i=0; out_i<h->short_ref_count; out_i++){
-            int best_i=INT_MIN;
-            int best_poc=INT_MAX;
-
-            for(i=0; i<h->short_ref_count; i++){
-                const int poc= h->short_ref[i]->poc;
-                if(poc > limit && poc < best_poc){
-                    best_poc= poc;
-                    best_i= i;
-                }
-            }
-
-            assert(best_i != INT_MIN);
-
-            limit= best_poc;
-            sorted_short_ref[out_i]= *h->short_ref[best_i];
-            tprintf(h->s.avctx, "sorted poc: %d->%d poc:%d fn:%d\n", best_i, out_i, sorted_short_ref[out_i].poc, sorted_short_ref[out_i].frame_num);
-            if (-1 == smallest_poc_greater_than_current) {
-                if (h->short_ref[best_i]->poc >= s->current_picture_ptr->poc) {
-                    smallest_poc_greater_than_current = out_i;
-                }
-            }
-        }
-    }
-
-    if(s->picture_structure == PICT_FRAME){
-        if(h->slice_type==B_TYPE){
-            int list;
-            tprintf(h->s.avctx, "current poc: %d, smallest_poc_greater_than_current: %d\n", s->current_picture_ptr->poc, smallest_poc_greater_than_current);
-
-            // find the largest poc
-            for(list=0; list<2; list++){
-                int index = 0;
-                int j= -99;
-                int step= list ? -1 : 1;
-
-                for(i=0; i<h->short_ref_count && index < h->ref_count[list]; i++, j+=step) {
-                    while(j<0 || j>= h->short_ref_count){
-                        if(j != -99 && step == (list ? -1 : 1))
-                            return -1;
-                        step = -step;
-                        j= smallest_poc_greater_than_current + (step>>1);
-                    }
-                    if(sorted_short_ref[j].reference != 3) continue;
-                    h->default_ref_list[list][index  ]= sorted_short_ref[j];
-                    h->default_ref_list[list][index++].pic_id= sorted_short_ref[j].frame_num;
-                }
-
-                for(i = 0; i < 16 && index < h->ref_count[ list ]; i++){
-                    if(h->long_ref[i] == NULL) continue;
-                    if(h->long_ref[i]->reference != 3) continue;
-
-                    h->default_ref_list[ list ][index  ]= *h->long_ref[i];
-                    h->default_ref_list[ list ][index++].pic_id= i;;
-                }
-
-                if(list && (smallest_poc_greater_than_current<=0 || smallest_poc_greater_than_current>=h->short_ref_count) && (1 < index)){
-                    // swap the two first elements of L1 when
-                    // L0 and L1 are identical
-                    Picture temp= h->default_ref_list[1][0];
-                    h->default_ref_list[1][0] = h->default_ref_list[1][1];
-                    h->default_ref_list[1][1] = temp;
-                }
-
-                if(index < h->ref_count[ list ])
-                    memset(&h->default_ref_list[list][index], 0, sizeof(Picture)*(h->ref_count[ list ] - index));
-            }
-        }else{
-            int index=0;
-            for(i=0; i<h->short_ref_count; i++){
-                if(h->short_ref[i]->reference != 3) continue; //FIXME refernce field shit
-                h->default_ref_list[0][index  ]= *h->short_ref[i];
-                h->default_ref_list[0][index++].pic_id= h->short_ref[i]->frame_num;
-            }
-            for(i = 0; i < 16; i++){
-                if(h->long_ref[i] == NULL) continue;
-                if(h->long_ref[i]->reference != 3) continue;
-                h->default_ref_list[0][index  ]= *h->long_ref[i];
-                h->default_ref_list[0][index++].pic_id= i;;
-            }
-            if(index < h->ref_count[0])
-                memset(&h->default_ref_list[0][index], 0, sizeof(Picture)*(h->ref_count[0] - index));
-        }
-    }else{ //FIELD
-        if(h->slice_type==B_TYPE){
-        }else{
-            //FIXME second field balh
-        }
-    }
-#ifdef TRACE
-    for (i=0; i<h->ref_count[0]; i++) {
-        tprintf(h->s.avctx, "List0: %s fn:%d 0x%p\n", (h->default_ref_list[0][i].long_ref ? "LT" : "ST"), h->default_ref_list[0][i].pic_id, h->default_ref_list[0][i].data[0]);
-    }
-    if(h->slice_type==B_TYPE){
-        for (i=0; i<h->ref_count[1]; i++) {
-            tprintf(h->s.avctx, "List1: %s fn:%d 0x%p\n", (h->default_ref_list[1][i].long_ref ? "LT" : "ST"), h->default_ref_list[1][i].pic_id, h->default_ref_list[0][i].data[0]);
-        }
-    }
-#endif
-    return 0;
-}
-
-static void print_short_term(H264Context *h);
-static void print_long_term(H264Context *h);
-
-static int decode_ref_pic_list_reordering(H264Context *h){
-    MpegEncContext * const s = &h->s;
-    int list, index;
-
-    print_short_term(h);
-    print_long_term(h);
-    if(h->slice_type==I_TYPE || h->slice_type==SI_TYPE) return 0; //FIXME move before func
-
-    for(list=0; list<h->list_count; list++){
-        memcpy(h->ref_list[list], h->default_ref_list[list], sizeof(Picture)*h->ref_count[list]);
-
-        if(get_bits1(&s->gb)){
-            int pred= h->curr_pic_num;
-
-            for(index=0; ; index++){
-                unsigned int reordering_of_pic_nums_idc= get_ue_golomb(&s->gb);
-                unsigned int pic_id;
-                int i;
-                Picture *ref = NULL;
-
-                if(reordering_of_pic_nums_idc==3)
-                    break;
-
-                if(index >= h->ref_count[list]){
-                    av_log(h->s.avctx, AV_LOG_ERROR, "reference count overflow\n");
-                    return -1;
-                }
-
-                if(reordering_of_pic_nums_idc<3){
-                    if(reordering_of_pic_nums_idc<2){
-                        const unsigned int abs_diff_pic_num= get_ue_golomb(&s->gb) + 1;
-
-                        if(abs_diff_pic_num >= h->max_pic_num){
-                            av_log(h->s.avctx, AV_LOG_ERROR, "abs_diff_pic_num overflow\n");
-                            return -1;
-                        }
-
-                        if(reordering_of_pic_nums_idc == 0) pred-= abs_diff_pic_num;
-                        else                                pred+= abs_diff_pic_num;
-                        pred &= h->max_pic_num - 1;
-
-                        for(i= h->short_ref_count-1; i>=0; i--){
-                            ref = h->short_ref[i];
-                            assert(ref->reference == 3);
-                            assert(!ref->long_ref);
-                            if(ref->data[0] != NULL && ref->frame_num == pred && ref->long_ref == 0) // ignore non existing pictures by testing data[0] pointer
-                                break;
-                        }
-                        if(i>=0)
-                            ref->pic_id= ref->frame_num;
-                    }else{
-                        pic_id= get_ue_golomb(&s->gb); //long_term_pic_idx
-                        if(pic_id>31){
-                            av_log(h->s.avctx, AV_LOG_ERROR, "long_term_pic_idx overflow\n");
-                            return -1;
-                        }
-                        ref = h->long_ref[pic_id];
-                        if(ref){
-                            ref->pic_id= pic_id;
-                            assert(ref->reference == 3);
-                            assert(ref->long_ref);
-                            i=0;
-                        }else{
-                            i=-1;
-                        }
-                    }
-
-                    if (i < 0) {
-                        av_log(h->s.avctx, AV_LOG_ERROR, "reference picture missing during reorder\n");
-                        memset(&h->ref_list[list][index], 0, sizeof(Picture)); //FIXME
-                    } else {
-                        for(i=index; i+1<h->ref_count[list]; i++){
-                            if(ref->long_ref == h->ref_list[list][i].long_ref && ref->pic_id == h->ref_list[list][i].pic_id)
-                                break;
-                        }
-                        for(; i > index; i--){
-                            h->ref_list[list][i]= h->ref_list[list][i-1];
-                        }
-                        h->ref_list[list][index]= *ref;
-                    }
-                }else{
-                    av_log(h->s.avctx, AV_LOG_ERROR, "illegal reordering_of_pic_nums_idc\n");
-                    return -1;
-                }
-            }
-        }
-    }
-    for(list=0; list<h->list_count; list++){
-        for(index= 0; index < h->ref_count[list]; index++){
-            if(!h->ref_list[list][index].data[0])
-                h->ref_list[list][index]= s->current_picture;
-        }
-    }
-
-    if(h->slice_type==B_TYPE && !h->direct_spatial_mv_pred)
-        direct_dist_scale_factor(h);
-    direct_ref_list_init(h);
-    return 0;
-}
-
-static void fill_mbaff_ref_list(H264Context *h){
-    int list, i, j;
-    for(list=0; list<2; list++){ //FIXME try list_count
-        for(i=0; i<h->ref_count[list]; i++){
-            Picture *frame = &h->ref_list[list][i];
-            Picture *field = &h->ref_list[list][16+2*i];
-            field[0] = *frame;
-            for(j=0; j<3; j++)
-                field[0].linesize[j] <<= 1;
-            field[1] = field[0];
-            for(j=0; j<3; j++)
-                field[1].data[j] += frame->linesize[j];
-
-            h->luma_weight[list][16+2*i] = h->luma_weight[list][16+2*i+1] = h->luma_weight[list][i];
-            h->luma_offset[list][16+2*i] = h->luma_offset[list][16+2*i+1] = h->luma_offset[list][i];
-            for(j=0; j<2; j++){
-                h->chroma_weight[list][16+2*i][j] = h->chroma_weight[list][16+2*i+1][j] = h->chroma_weight[list][i][j];
-                h->chroma_offset[list][16+2*i][j] = h->chroma_offset[list][16+2*i+1][j] = h->chroma_offset[list][i][j];
-            }
-        }
-    }
-    for(j=0; j<h->ref_count[1]; j++){
-        for(i=0; i<h->ref_count[0]; i++)
-            h->implicit_weight[j][16+2*i] = h->implicit_weight[j][16+2*i+1] = h->implicit_weight[j][i];
-        memcpy(h->implicit_weight[16+2*j],   h->implicit_weight[j], sizeof(*h->implicit_weight));
-        memcpy(h->implicit_weight[16+2*j+1], h->implicit_weight[j], sizeof(*h->implicit_weight));
-    }
-}
-
-static int pred_weight_table(H264Context *h){
-    MpegEncContext * const s = &h->s;
-    int list, i;
-    int luma_def, chroma_def;
-
-    h->use_weight= 0;
-    h->use_weight_chroma= 0;
-    h->luma_log2_weight_denom= get_ue_golomb(&s->gb);
-    h->chroma_log2_weight_denom= get_ue_golomb(&s->gb);
-    luma_def = 1<<h->luma_log2_weight_denom;
-    chroma_def = 1<<h->chroma_log2_weight_denom;
-
-    for(list=0; list<2; list++){
-        for(i=0; i<h->ref_count[list]; i++){
-            int luma_weight_flag, chroma_weight_flag;
-
-            luma_weight_flag= get_bits1(&s->gb);
-            if(luma_weight_flag){
-                h->luma_weight[list][i]= get_se_golomb(&s->gb);
-                h->luma_offset[list][i]= get_se_golomb(&s->gb);
-                if(   h->luma_weight[list][i] != luma_def
-                   || h->luma_offset[list][i] != 0)
-                    h->use_weight= 1;
-            }else{
-                h->luma_weight[list][i]= luma_def;
-                h->luma_offset[list][i]= 0;
-            }
-
-            chroma_weight_flag= get_bits1(&s->gb);
-            if(chroma_weight_flag){
-                int j;
-                for(j=0; j<2; j++){
-                    h->chroma_weight[list][i][j]= get_se_golomb(&s->gb);
-                    h->chroma_offset[list][i][j]= get_se_golomb(&s->gb);
-                    if(   h->chroma_weight[list][i][j] != chroma_def
-                       || h->chroma_offset[list][i][j] != 0)
-                        h->use_weight_chroma= 1;
-                }
-            }else{
-                int j;
-                for(j=0; j<2; j++){
-                    h->chroma_weight[list][i][j]= chroma_def;
-                    h->chroma_offset[list][i][j]= 0;
-                }
-            }
-        }
-        if(h->slice_type != B_TYPE) break;
-    }
-    h->use_weight= h->use_weight || h->use_weight_chroma;
-    return 0;
-}
-
-static void implicit_weight_table(H264Context *h){
-    MpegEncContext * const s = &h->s;
-    int ref0, ref1;
-    int cur_poc = s->current_picture_ptr->poc;
-
-    if(   h->ref_count[0] == 1 && h->ref_count[1] == 1
-       && h->ref_list[0][0].poc + h->ref_list[1][0].poc == 2*cur_poc){
-        h->use_weight= 0;
-        h->use_weight_chroma= 0;
-        return;
-    }
-
-    h->use_weight= 2;
-    h->use_weight_chroma= 2;
-    h->luma_log2_weight_denom= 5;
-    h->chroma_log2_weight_denom= 5;
-
-    for(ref0=0; ref0 < h->ref_count[0]; ref0++){
-        int poc0 = h->ref_list[0][ref0].poc;
-        for(ref1=0; ref1 < h->ref_count[1]; ref1++){
-            int poc1 = h->ref_list[1][ref1].poc;
-            int td = av_clip(poc1 - poc0, -128, 127);
-            if(td){
-                int tb = av_clip(cur_poc - poc0, -128, 127);
-                int tx = (16384 + (FFABS(td) >> 1)) / td;
-                int dist_scale_factor = av_clip((tb*tx + 32) >> 6, -1024, 1023) >> 2;
-                if(dist_scale_factor < -64 || dist_scale_factor > 128)
-                    h->implicit_weight[ref0][ref1] = 32;
-                else
-                    h->implicit_weight[ref0][ref1] = 64 - dist_scale_factor;
-            }else
-                h->implicit_weight[ref0][ref1] = 32;
-        }
-    }
-}
-
-static inline void unreference_pic(H264Context *h, Picture *pic){
-    int i;
-    pic->reference=0;
-    if(pic == h->delayed_output_pic)
-        pic->reference=1;
-    else{
-        for(i = 0; h->delayed_pic[i]; i++)
-            if(pic == h->delayed_pic[i]){
-                pic->reference=1;
-                break;
-            }
-    }
-}
-
-/**
- * instantaneous decoder refresh.
- */
-static void idr(H264Context *h){
-    int i;
-
-    for(i=0; i<16; i++){
-        if (h->long_ref[i] != NULL) {
-            unreference_pic(h, h->long_ref[i]);
-            h->long_ref[i]= NULL;
-        }
-    }
-    h->long_ref_count=0;
-
-    for(i=0; i<h->short_ref_count; i++){
-        unreference_pic(h, h->short_ref[i]);
-        h->short_ref[i]= NULL;
-    }
-    h->short_ref_count=0;
-}
-
-/* forget old pics after a seek */
-static void flush_dpb(AVCodecContext *avctx){
-    H264Context *h= avctx->priv_data;
-    int i;
-    for(i=0; i<16; i++) {
-        if(h->delayed_pic[i])
-            h->delayed_pic[i]->reference= 0;
-        h->delayed_pic[i]= NULL;
-    }
-    if(h->delayed_output_pic)
-        h->delayed_output_pic->reference= 0;
-    h->delayed_output_pic= NULL;
-    idr(h);
-    if(h->s.current_picture_ptr)
-        h->s.current_picture_ptr->reference= 0;
-}
-
-/**
- *
- * @return the removed picture or NULL if an error occurs
- */
-static Picture * remove_short(H264Context *h, int frame_num){
-    MpegEncContext * const s = &h->s;
-    int i;
-
-    if(s->avctx->debug&FF_DEBUG_MMCO)
-        av_log(h->s.avctx, AV_LOG_DEBUG, "remove short %d count %d\n", frame_num, h->short_ref_count);
-
-    for(i=0; i<h->short_ref_count; i++){
-        Picture *pic= h->short_ref[i];
-        if(s->avctx->debug&FF_DEBUG_MMCO)
-            av_log(h->s.avctx, AV_LOG_DEBUG, "%d %d %p\n", i, pic->frame_num, pic);
-        if(pic->frame_num == frame_num){
-            h->short_ref[i]= NULL;
-            memmove(&h->short_ref[i], &h->short_ref[i+1], (h->short_ref_count - i - 1)*sizeof(Picture*));
-            h->short_ref_count--;
-            return pic;
-        }
-    }
-    return NULL;
-}
-
-/**
- *
- * @return the removed picture or NULL if an error occurs
- */
-static Picture * remove_long(H264Context *h, int i){
-    Picture *pic;
-
-    pic= h->long_ref[i];
-    h->long_ref[i]= NULL;
-    if(pic) h->long_ref_count--;
-
-    return pic;
-}
-
-/**
- * print short term list
- */
-static void print_short_term(H264Context *h) {
-    uint32_t i;
-    if(h->s.avctx->debug&FF_DEBUG_MMCO) {
-        av_log(h->s.avctx, AV_LOG_DEBUG, "short term list:\n");
-        for(i=0; i<h->short_ref_count; i++){
-            Picture *pic= h->short_ref[i];
-            av_log(h->s.avctx, AV_LOG_DEBUG, "%d fn:%d poc:%d %p\n", i, pic->frame_num, pic->poc, pic->data[0]);
-        }
-    }
-}
-
-/**
- * print long term list
- */
-static void print_long_term(H264Context *h) {
-    uint32_t i;
-    if(h->s.avctx->debug&FF_DEBUG_MMCO) {
-        av_log(h->s.avctx, AV_LOG_DEBUG, "long term list:\n");
-        for(i = 0; i < 16; i++){
-            Picture *pic= h->long_ref[i];
-            if (pic) {
-                av_log(h->s.avctx, AV_LOG_DEBUG, "%d fn:%d poc:%d %p\n", i, pic->frame_num, pic->poc, pic->data[0]);
-            }
-        }
-    }
-}
-
-/**
- * Executes the reference picture marking (memory management control operations).
- */
-static int execute_ref_pic_marking(H264Context *h, MMCO *mmco, int mmco_count){
-    MpegEncContext * const s = &h->s;
-    int i, j;
-    int current_is_long=0;
-    Picture *pic;
-
-    if((s->avctx->debug&FF_DEBUG_MMCO) && mmco_count==0)
-        av_log(h->s.avctx, AV_LOG_DEBUG, "no mmco here\n");
-
-    for(i=0; i<mmco_count; i++){
-        if(s->avctx->debug&FF_DEBUG_MMCO)
-            av_log(h->s.avctx, AV_LOG_DEBUG, "mmco:%d %d %d\n", h->mmco[i].opcode, h->mmco[i].short_frame_num, h->mmco[i].long_index);
-
-        switch(mmco[i].opcode){
-        case MMCO_SHORT2UNUSED:
-            pic= remove_short(h, mmco[i].short_frame_num);
-            if(pic)
-                unreference_pic(h, pic);
-            else if(s->avctx->debug&FF_DEBUG_MMCO)
-                av_log(h->s.avctx, AV_LOG_DEBUG, "mmco: remove_short() failure\n");
-            break;
-        case MMCO_SHORT2LONG:
-            pic= remove_long(h, mmco[i].long_index);
-            if(pic) unreference_pic(h, pic);
-
-            h->long_ref[ mmco[i].long_index ]= remove_short(h, mmco[i].short_frame_num);
-            if (h->long_ref[ mmco[i].long_index ]){
-                h->long_ref[ mmco[i].long_index ]->long_ref=1;
-                h->long_ref_count++;
-            }
-            break;
-        case MMCO_LONG2UNUSED:
-            pic= remove_long(h, mmco[i].long_index);
-            if(pic)
-                unreference_pic(h, pic);
-            else if(s->avctx->debug&FF_DEBUG_MMCO)
-                av_log(h->s.avctx, AV_LOG_DEBUG, "mmco: remove_long() failure\n");
-            break;
-        case MMCO_LONG:
-            pic= remove_long(h, mmco[i].long_index);
-            if(pic) unreference_pic(h, pic);
-
-            h->long_ref[ mmco[i].long_index ]= s->current_picture_ptr;
-            h->long_ref[ mmco[i].long_index ]->long_ref=1;
-            h->long_ref_count++;
-
-            current_is_long=1;
-            break;
-        case MMCO_SET_MAX_LONG:
-            assert(mmco[i].long_index <= 16);
-            // just remove the long term which index is greater than new max
-            for(j = mmco[i].long_index; j<16; j++){
-                pic = remove_long(h, j);
-                if (pic) unreference_pic(h, pic);
-            }
-            break;
-        case MMCO_RESET:
-            while(h->short_ref_count){
-                pic= remove_short(h, h->short_ref[0]->frame_num);
-                if(pic) unreference_pic(h, pic);
-            }
-            for(j = 0; j < 16; j++) {
-                pic= remove_long(h, j);
-                if(pic) unreference_pic(h, pic);
-            }
-            break;
-        default: assert(0);
-        }
-    }
-
-    if(!current_is_long){
-        pic= remove_short(h, s->current_picture_ptr->frame_num);
-        if(pic){
-            unreference_pic(h, pic);
-            av_log(h->s.avctx, AV_LOG_ERROR, "illegal short term buffer state detected\n");
-        }
-
-        if(h->short_ref_count)
-            memmove(&h->short_ref[1], &h->short_ref[0], h->short_ref_count*sizeof(Picture*));
-
-        h->short_ref[0]= s->current_picture_ptr;
-        h->short_ref[0]->long_ref=0;
-        h->short_ref_count++;
-    }
-
-    print_short_term(h);
-    print_long_term(h);
-    return 0;
-}
-
-static int decode_ref_pic_marking(H264Context *h){
-    MpegEncContext * const s = &h->s;
-    int i;
-
-    if(h->nal_unit_type == NAL_IDR_SLICE){ //FIXME fields
-        s->broken_link= get_bits1(&s->gb) -1;
-        h->mmco[0].long_index= get_bits1(&s->gb) - 1; // current_long_term_idx
-        if(h->mmco[0].long_index == -1)
-            h->mmco_index= 0;
-        else{
-            h->mmco[0].opcode= MMCO_LONG;
-            h->mmco_index= 1;
-        }
-    }else{
-        if(get_bits1(&s->gb)){ // adaptive_ref_pic_marking_mode_flag
-            for(i= 0; i<MAX_MMCO_COUNT; i++) {
-                MMCOOpcode opcode= get_ue_golomb(&s->gb);;
-
-                h->mmco[i].opcode= opcode;
-                if(opcode==MMCO_SHORT2UNUSED || opcode==MMCO_SHORT2LONG){
-                    h->mmco[i].short_frame_num= (h->frame_num - get_ue_golomb(&s->gb) - 1) & ((1<<h->sps.log2_max_frame_num)-1); //FIXME fields
-/*                    if(h->mmco[i].short_frame_num >= h->short_ref_count || h->short_ref[ h->mmco[i].short_frame_num ] == NULL){
-                        av_log(s->avctx, AV_LOG_ERROR, "illegal short ref in memory management control operation %d\n", mmco);
-                        return -1;
-                    }*/
-                }
-                if(opcode==MMCO_SHORT2LONG || opcode==MMCO_LONG2UNUSED || opcode==MMCO_LONG || opcode==MMCO_SET_MAX_LONG){
-                    unsigned int long_index= get_ue_golomb(&s->gb);
-                    if(/*h->mmco[i].long_index >= h->long_ref_count || h->long_ref[ h->mmco[i].long_index ] == NULL*/ long_index >= 16){
-                        av_log(h->s.avctx, AV_LOG_ERROR, "illegal long ref in memory management control operation %d\n", opcode);
-                        return -1;
-                    }
-                    h->mmco[i].long_index= long_index;
-                }
-
-                if(opcode > (unsigned)MMCO_LONG){
-                    av_log(h->s.avctx, AV_LOG_ERROR, "illegal memory management control operation %d\n", opcode);
-                    return -1;
-                }
-                if(opcode == MMCO_END)
-                    break;
-            }
-            h->mmco_index= i;
-        }else{
-            assert(h->long_ref_count + h->short_ref_count <= h->sps.ref_frame_count);
-
-            if(h->long_ref_count + h->short_ref_count == h->sps.ref_frame_count){ //FIXME fields
-                h->mmco[0].opcode= MMCO_SHORT2UNUSED;
-                h->mmco[0].short_frame_num= h->short_ref[ h->short_ref_count - 1 ]->frame_num;
-                h->mmco_index= 1;
-            }else
-                h->mmco_index= 0;
-        }
-    }
-
-    return 0;
-}
-
-static int init_poc(H264Context *h){
-    MpegEncContext * const s = &h->s;
-    const int max_frame_num= 1<<h->sps.log2_max_frame_num;
-    int field_poc[2];
-
-    if(h->nal_unit_type == NAL_IDR_SLICE){
-        h->frame_num_offset= 0;
-    }else{
-        if(h->frame_num < h->prev_frame_num)
-            h->frame_num_offset= h->prev_frame_num_offset + max_frame_num;
-        else
-            h->frame_num_offset= h->prev_frame_num_offset;
-    }
-
-    if(h->sps.poc_type==0){
-        const int max_poc_lsb= 1<<h->sps.log2_max_poc_lsb;
-
-        if(h->nal_unit_type == NAL_IDR_SLICE){
-             h->prev_poc_msb=
-             h->prev_poc_lsb= 0;
-        }
-
-        if     (h->poc_lsb < h->prev_poc_lsb && h->prev_poc_lsb - h->poc_lsb >= max_poc_lsb/2)
-            h->poc_msb = h->prev_poc_msb + max_poc_lsb;
-        else if(h->poc_lsb > h->prev_poc_lsb && h->prev_poc_lsb - h->poc_lsb < -max_poc_lsb/2)
-            h->poc_msb = h->prev_poc_msb - max_poc_lsb;
-        else
-            h->poc_msb = h->prev_poc_msb;
-//printf("poc: %d %d\n", h->poc_msb, h->poc_lsb);
-        field_poc[0] =
-        field_poc[1] = h->poc_msb + h->poc_lsb;
-        if(s->picture_structure == PICT_FRAME)
-            field_poc[1] += h->delta_poc_bottom;
-    }else if(h->sps.poc_type==1){
-        int abs_frame_num, expected_delta_per_poc_cycle, expectedpoc;
-        int i;
-
-        if(h->sps.poc_cycle_length != 0)
-            abs_frame_num = h->frame_num_offset + h->frame_num;
-        else
-            abs_frame_num = 0;
-
-        if(h->nal_ref_idc==0 && abs_frame_num > 0)
-            abs_frame_num--;
-
-        expected_delta_per_poc_cycle = 0;
-        for(i=0; i < h->sps.poc_cycle_length; i++)
-            expected_delta_per_poc_cycle += h->sps.offset_for_ref_frame[ i ]; //FIXME integrate during sps parse
-
-        if(abs_frame_num > 0){
-            int poc_cycle_cnt          = (abs_frame_num - 1) / h->sps.poc_cycle_length;
-            int frame_num_in_poc_cycle = (abs_frame_num - 1) % h->sps.poc_cycle_length;
-
-            expectedpoc = poc_cycle_cnt * expected_delta_per_poc_cycle;
-            for(i = 0; i <= frame_num_in_poc_cycle; i++)
-                expectedpoc = expectedpoc + h->sps.offset_for_ref_frame[ i ];
-        } else
-            expectedpoc = 0;
-
-        if(h->nal_ref_idc == 0)
-            expectedpoc = expectedpoc + h->sps.offset_for_non_ref_pic;
-
-        field_poc[0] = expectedpoc + h->delta_poc[0];
-        field_poc[1] = field_poc[0] + h->sps.offset_for_top_to_bottom_field;
-
-        if(s->picture_structure == PICT_FRAME)
-            field_poc[1] += h->delta_poc[1];
-    }else{
-        int poc;
-        if(h->nal_unit_type == NAL_IDR_SLICE){
-            poc= 0;
-        }else{
-            if(h->nal_ref_idc) poc= 2*(h->frame_num_offset + h->frame_num);
-            else               poc= 2*(h->frame_num_offset + h->frame_num) - 1;
-        }
-        field_poc[0]= poc;
-        field_poc[1]= poc;
-    }
-
-    if(s->picture_structure != PICT_BOTTOM_FIELD)
-        s->current_picture_ptr->field_poc[0]= field_poc[0];
-    if(s->picture_structure != PICT_TOP_FIELD)
-        s->current_picture_ptr->field_poc[1]= field_poc[1];
-    if(s->picture_structure == PICT_FRAME) // FIXME field pix?
-        s->current_picture_ptr->poc= FFMIN(field_poc[0], field_poc[1]);
-
-    return 0;
-}
-
-/**
- * decodes a slice header.
- * this will allso call MPV_common_init() and frame_start() as needed
- */
-static int decode_slice_header(H264Context *h){
-    MpegEncContext * const s = &h->s;
-    unsigned int first_mb_in_slice;
-    unsigned int pps_id;
-    int num_ref_idx_active_override_flag;
-    static const uint8_t slice_type_map[5]= {P_TYPE, B_TYPE, I_TYPE, SP_TYPE, SI_TYPE};
-    unsigned int slice_type, tmp;
-    int default_ref_list_done = 0;
-
-    s->current_picture.reference= h->nal_ref_idc != 0;
-    s->dropable= h->nal_ref_idc == 0;
-
-    first_mb_in_slice= get_ue_golomb(&s->gb);
-
-    if((s->flags2 & CODEC_FLAG2_CHUNKS) && first_mb_in_slice == 0){
-        h->slice_num = 0;
-        s->current_picture_ptr= NULL;
-    }
-
-    slice_type= get_ue_golomb(&s->gb);
-    if(slice_type > 9){
-        av_log(h->s.avctx, AV_LOG_ERROR, "slice type too large (%d) at %d %d\n", h->slice_type, s->mb_x, s->mb_y);
-        return -1;
-    }
-    if(slice_type > 4){
-        slice_type -= 5;
-        h->slice_type_fixed=1;
-    }else
-        h->slice_type_fixed=0;
-
-    slice_type= slice_type_map[ slice_type ];
-    if (slice_type == I_TYPE
-        || (h->slice_num != 0 && slice_type == h->slice_type) ) {
-        default_ref_list_done = 1;
-    }
-    h->slice_type= slice_type;
-
-    s->pict_type= h->slice_type; // to make a few old func happy, it's wrong though
-
-    pps_id= get_ue_golomb(&s->gb);
-    if(pps_id>=MAX_PPS_COUNT){
-        av_log(h->s.avctx, AV_LOG_ERROR, "pps_id out of range\n");
-        return -1;
-    }
-    h->pps= h->pps_buffer[pps_id];
-    if(h->pps.slice_group_count == 0){
-        av_log(h->s.avctx, AV_LOG_ERROR, "non existing PPS referenced\n");
-        return -1;
-    }
-
-    h->sps= h->sps_buffer[ h->pps.sps_id ];
-    if(h->sps.log2_max_frame_num == 0){
-        av_log(h->s.avctx, AV_LOG_ERROR, "non existing SPS referenced\n");
-        return -1;
-    }
-
-    if(h->dequant_coeff_pps != pps_id){
-        h->dequant_coeff_pps = pps_id;
-        init_dequant_tables(h);
-    }
-
-    s->mb_width= h->sps.mb_width;
-    s->mb_height= h->sps.mb_height * (2 - h->sps.frame_mbs_only_flag);
-
-    h->b_stride=  s->mb_width*4;
-    h->b8_stride= s->mb_width*2;
-
-    s->width = 16*s->mb_width - 2*(h->sps.crop_left + h->sps.crop_right );
-    if(h->sps.frame_mbs_only_flag)
-        s->height= 16*s->mb_height - 2*(h->sps.crop_top  + h->sps.crop_bottom);
-    else
-        s->height= 16*s->mb_height - 4*(h->sps.crop_top  + h->sps.crop_bottom); //FIXME recheck
-
-    if (s->context_initialized
-        && (   s->width != s->avctx->width || s->height != s->avctx->height)) {
-        free_tables(h);
-        MPV_common_end(s);
-    }
-    if (!s->context_initialized) {
-        if (MPV_common_init(s) < 0)
-            return -1;
-
-        if(s->dsp.h264_idct_add == ff_h264_idct_add_c){ //FIXME little ugly
-            memcpy(h->zigzag_scan, zigzag_scan, 16*sizeof(uint8_t));
-            memcpy(h-> field_scan,  field_scan, 16*sizeof(uint8_t));
-        }else{
-            int i;
-            for(i=0; i<16; i++){
-#define T(x) (x>>2) | ((x<<2) & 0xF)
-                h->zigzag_scan[i] = T(zigzag_scan[i]);
-                h-> field_scan[i] = T( field_scan[i]);
-#undef T
-            }
-        }
-        if(s->dsp.h264_idct8_add == ff_h264_idct8_add_c){
-            memcpy(h->zigzag_scan8x8,       zigzag_scan8x8,       64*sizeof(uint8_t));
-            memcpy(h->zigzag_scan8x8_cavlc, zigzag_scan8x8_cavlc, 64*sizeof(uint8_t));
-            memcpy(h->field_scan8x8,        field_scan8x8,        64*sizeof(uint8_t));
-            memcpy(h->field_scan8x8_cavlc,  field_scan8x8_cavlc,  64*sizeof(uint8_t));
-        }else{
-            int i;
-            for(i=0; i<64; i++){
-#define T(x) (x>>3) | ((x&7)<<3)
-                h->zigzag_scan8x8[i]       = T(zigzag_scan8x8[i]);
-                h->zigzag_scan8x8_cavlc[i] = T(zigzag_scan8x8_cavlc[i]);
-                h->field_scan8x8[i]        = T(field_scan8x8[i]);
-                h->field_scan8x8_cavlc[i]  = T(field_scan8x8_cavlc[i]);
-#undef T
-            }
-        }
-        if(h->sps.transform_bypass){ //FIXME same ugly
-            h->zigzag_scan_q0          = zigzag_scan;
-            h->zigzag_scan8x8_q0       = zigzag_scan8x8;
-            h->zigzag_scan8x8_cavlc_q0 = zigzag_scan8x8_cavlc;
-            h->field_scan_q0           = field_scan;
-            h->field_scan8x8_q0        = field_scan8x8;
-            h->field_scan8x8_cavlc_q0  = field_scan8x8_cavlc;
-        }else{
-            h->zigzag_scan_q0          = h->zigzag_scan;
-            h->zigzag_scan8x8_q0       = h->zigzag_scan8x8;
-            h->zigzag_scan8x8_cavlc_q0 = h->zigzag_scan8x8_cavlc;
-            h->field_scan_q0           = h->field_scan;
-            h->field_scan8x8_q0        = h->field_scan8x8;
-            h->field_scan8x8_cavlc_q0  = h->field_scan8x8_cavlc;
-        }
-
-        alloc_tables(h);
-
-        s->avctx->width = s->width;
-        s->avctx->height = s->height;
-        s->avctx->sample_aspect_ratio= h->sps.sar;
-        if(!s->avctx->sample_aspect_ratio.den)
-            s->avctx->sample_aspect_ratio.den = 1;
-
-        if(h->sps.timing_info_present_flag){
-            s->avctx->time_base= (AVRational){h->sps.num_units_in_tick * 2, h->sps.time_scale};
-            if(h->x264_build > 0 && h->x264_build < 44)
-                s->avctx->time_base.den *= 2;
-            av_reduce(&s->avctx->time_base.num, &s->avctx->time_base.den,
-                      s->avctx->time_base.num, s->avctx->time_base.den, 1<<30);
-        }
-    }
-
-    if(h->slice_num == 0){
-        if(frame_start(h) < 0)
-            return -1;
-    }
-
-    s->current_picture_ptr->frame_num= //FIXME frame_num cleanup
-    h->frame_num= get_bits(&s->gb, h->sps.log2_max_frame_num);
-
-    h->mb_mbaff = 0;
-    h->mb_aff_frame = 0;
-    if(h->sps.frame_mbs_only_flag){
-        s->picture_structure= PICT_FRAME;
-    }else{
-        if(get_bits1(&s->gb)) { //field_pic_flag
-            s->picture_structure= PICT_TOP_FIELD + get_bits1(&s->gb); //bottom_field_flag
-            av_log(h->s.avctx, AV_LOG_ERROR, "PAFF interlacing is not implemented\n");
-        } else {
-            s->picture_structure= PICT_FRAME;
-            h->mb_aff_frame = h->sps.mb_aff;
-        }
-    }
-    assert(s->mb_num == s->mb_width * s->mb_height);
-    if(first_mb_in_slice << h->mb_aff_frame >= s->mb_num ||
-       first_mb_in_slice                    >= s->mb_num){
-        av_log(h->s.avctx, AV_LOG_ERROR, "first_mb_in_slice overflow\n");
-        return -1;
-    }
-    s->resync_mb_x = s->mb_x = first_mb_in_slice % s->mb_width;
-    s->resync_mb_y = s->mb_y = (first_mb_in_slice / s->mb_width) << h->mb_aff_frame;
-    assert(s->mb_y < s->mb_height);
-
-    if(s->picture_structure==PICT_FRAME){
-        h->curr_pic_num=   h->frame_num;
-        h->max_pic_num= 1<< h->sps.log2_max_frame_num;
-    }else{
-        h->curr_pic_num= 2*h->frame_num;
-        h->max_pic_num= 1<<(h->sps.log2_max_frame_num + 1);
-    }
-
-    if(h->nal_unit_type == NAL_IDR_SLICE){
-        get_ue_golomb(&s->gb); /* idr_pic_id */
-    }
-
-    if(h->sps.poc_type==0){
-        h->poc_lsb= get_bits(&s->gb, h->sps.log2_max_poc_lsb);
-
-        if(h->pps.pic_order_present==1 && s->picture_structure==PICT_FRAME){
-            h->delta_poc_bottom= get_se_golomb(&s->gb);
-        }
-    }
-
-    if(h->sps.poc_type==1 && !h->sps.delta_pic_order_always_zero_flag){
-        h->delta_poc[0]= get_se_golomb(&s->gb);
-
-        if(h->pps.pic_order_present==1 && s->picture_structure==PICT_FRAME)
-            h->delta_poc[1]= get_se_golomb(&s->gb);
-    }
-
-    init_poc(h);
-
-    if(h->pps.redundant_pic_cnt_present){
-        h->redundant_pic_count= get_ue_golomb(&s->gb);
-    }
-
-    //set defaults, might be overriden a few line later
-    h->ref_count[0]= h->pps.ref_count[0];
-    h->ref_count[1]= h->pps.ref_count[1];
-
-    if(h->slice_type == P_TYPE || h->slice_type == SP_TYPE || h->slice_type == B_TYPE){
-        if(h->slice_type == B_TYPE){
-            h->direct_spatial_mv_pred= get_bits1(&s->gb);
-            if(h->sps.mb_aff && h->direct_spatial_mv_pred)
-                av_log(h->s.avctx, AV_LOG_ERROR, "MBAFF + spatial direct mode is not implemented\n");
-        }
-        num_ref_idx_active_override_flag= get_bits1(&s->gb);
-
-        if(num_ref_idx_active_override_flag){
-            h->ref_count[0]= get_ue_golomb(&s->gb) + 1;
-            if(h->slice_type==B_TYPE)
-                h->ref_count[1]= get_ue_golomb(&s->gb) + 1;
-
-            if(h->ref_count[0]-1 > 32-1 || h->ref_count[1]-1 > 32-1){
-                av_log(h->s.avctx, AV_LOG_ERROR, "reference overflow\n");
-                h->ref_count[0]= h->ref_count[1]= 1;
-                return -1;
-            }
-        }
-        if(h->slice_type == B_TYPE)
-            h->list_count= 2;
-        else
-            h->list_count= 1;
-    }else
-        h->list_count= 0;
-
-    if(!default_ref_list_done){
-        fill_default_ref_list(h);
-    }
-
-    if(decode_ref_pic_list_reordering(h) < 0)
-        return -1;
-
-    if(   (h->pps.weighted_pred          && (h->slice_type == P_TYPE || h->slice_type == SP_TYPE ))
-       || (h->pps.weighted_bipred_idc==1 && h->slice_type==B_TYPE ) )
-        pred_weight_table(h);
-    else if(h->pps.weighted_bipred_idc==2 && h->slice_type==B_TYPE)
-        implicit_weight_table(h);
-    else
-        h->use_weight = 0;
-
-    if(s->current_picture.reference)
-        decode_ref_pic_marking(h);
-
-    if(FRAME_MBAFF)
-        fill_mbaff_ref_list(h);
-
-    if( h->slice_type != I_TYPE && h->slice_type != SI_TYPE && h->pps.cabac ){
-        tmp = get_ue_golomb(&s->gb);
-        if(tmp > 2){
-            av_log(s->avctx, AV_LOG_ERROR, "cabac_init_idc overflow\n");
-            return -1;
-        }
-        h->cabac_init_idc= tmp;
-    }
-
-    h->last_qscale_diff = 0;
-    tmp = h->pps.init_qp + get_se_golomb(&s->gb);
-    if(tmp>51){
-        av_log(s->avctx, AV_LOG_ERROR, "QP %u out of range\n", tmp);
-        return -1;
-    }
-    s->qscale= tmp;
-    h->chroma_qp = get_chroma_qp(h->pps.chroma_qp_index_offset, s->qscale);
-    //FIXME qscale / qp ... stuff
-    if(h->slice_type == SP_TYPE){
-        get_bits1(&s->gb); /* sp_for_switch_flag */
-    }
-    if(h->slice_type==SP_TYPE || h->slice_type == SI_TYPE){
-        get_se_golomb(&s->gb); /* slice_qs_delta */
-    }
-
-    h->deblocking_filter = 1;
-    h->slice_alpha_c0_offset = 0;
-    h->slice_beta_offset = 0;
-    if( h->pps.deblocking_filter_parameters_present ) {
-        tmp= get_ue_golomb(&s->gb);
-        if(tmp > 2){
-            av_log(s->avctx, AV_LOG_ERROR, "deblocking_filter_idc %u out of range\n", tmp);
-            return -1;
-        }
-        h->deblocking_filter= tmp;
-        if(h->deblocking_filter < 2)
-            h->deblocking_filter^= 1; // 1<->0
-
-        if( h->deblocking_filter ) {
-            h->slice_alpha_c0_offset = get_se_golomb(&s->gb) << 1;
-            h->slice_beta_offset = get_se_golomb(&s->gb) << 1;
-        }
-    }
-    if(   s->avctx->skip_loop_filter >= AVDISCARD_ALL
-       ||(s->avctx->skip_loop_filter >= AVDISCARD_NONKEY && h->slice_type != I_TYPE)
-       ||(s->avctx->skip_loop_filter >= AVDISCARD_BIDIR  && h->slice_type == B_TYPE)
-       ||(s->avctx->skip_loop_filter >= AVDISCARD_NONREF && h->nal_ref_idc == 0))
-        h->deblocking_filter= 0;
-
-#if 0 //FMO
-    if( h->pps.num_slice_groups > 1  && h->pps.mb_slice_group_map_type >= 3 && h->pps.mb_slice_group_map_type <= 5)
-        slice_group_change_cycle= get_bits(&s->gb, ?);
-#endif
-
-    h->slice_num++;
-
-    h->emu_edge_width= (s->flags&CODEC_FLAG_EMU_EDGE) ? 0 : 16;
-    h->emu_edge_height= FRAME_MBAFF ? 0 : h->emu_edge_width;
-
-    if(s->avctx->debug&FF_DEBUG_PICT_INFO){
-        av_log(h->s.avctx, AV_LOG_DEBUG, "slice:%d %s mb:%d %c pps:%u frame:%d poc:%d/%d ref:%d/%d qp:%d loop:%d:%d:%d weight:%d%s\n",
-               h->slice_num,
-               (s->picture_structure==PICT_FRAME ? "F" : s->picture_structure==PICT_TOP_FIELD ? "T" : "B"),
-               first_mb_in_slice,
-               av_get_pict_type_char(h->slice_type),
-               pps_id, h->frame_num,
-               s->current_picture_ptr->field_poc[0], s->current_picture_ptr->field_poc[1],
-               h->ref_count[0], h->ref_count[1],
-               s->qscale,
-               h->deblocking_filter, h->slice_alpha_c0_offset/2, h->slice_beta_offset/2,
-               h->use_weight,
-               h->use_weight==1 && h->use_weight_chroma ? "c" : ""
-               );
-    }
-
-    if((s->avctx->flags2 & CODEC_FLAG2_FAST) && !s->current_picture.reference){
-        s->me.qpel_put= s->dsp.put_2tap_qpel_pixels_tab;
-        s->me.qpel_avg= s->dsp.avg_2tap_qpel_pixels_tab;
-    }else{
-        s->me.qpel_put= s->dsp.put_h264_qpel_pixels_tab;
-        s->me.qpel_avg= s->dsp.avg_h264_qpel_pixels_tab;
-    }
-
-    return 0;
-}
-
-/**
- *
- */
-static inline int get_level_prefix(GetBitContext *gb){
-    unsigned int buf;
-    int log;
-
-    OPEN_READER(re, gb);
-    UPDATE_CACHE(re, gb);
-    buf=GET_CACHE(re, gb);
-
-    log= 32 - av_log2(buf);
-#ifdef TRACE
-    print_bin(buf>>(32-log), log);
-    av_log(NULL, AV_LOG_DEBUG, "%5d %2d %3d lpr @%5d in %s get_level_prefix\n", buf>>(32-log), log, log-1, get_bits_count(gb), __FILE__);
-#endif
-
-    LAST_SKIP_BITS(re, gb, log);
-    CLOSE_READER(re, gb);
-
-    return log-1;
-}
-
-static inline int get_dct8x8_allowed(H264Context *h){
-    int i;
-    for(i=0; i<4; i++){
-        if(!IS_SUB_8X8(h->sub_mb_type[i])
-           || (!h->sps.direct_8x8_inference_flag && IS_DIRECT(h->sub_mb_type[i])))
-            return 0;
-    }
-    return 1;
-}
-
-/**
- * decodes a residual block.
- * @param n block index
- * @param scantable scantable
- * @param max_coeff number of coefficients in the block
- * @return <0 if an error occured
- */
-static int decode_residual(H264Context *h, GetBitContext *gb, DCTELEM *block, int n, const uint8_t *scantable, const uint32_t *qmul, int max_coeff){
-    MpegEncContext * const s = &h->s;
-    static const int coeff_token_table_index[17]= {0, 0, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3};
-    int level[16];
-    int zeros_left, coeff_num, coeff_token, total_coeff, i, j, trailing_ones, run_before;
-
-    //FIXME put trailing_onex into the context
-
-    if(n == CHROMA_DC_BLOCK_INDEX){
-        coeff_token= get_vlc2(gb, chroma_dc_coeff_token_vlc.table, CHROMA_DC_COEFF_TOKEN_VLC_BITS, 1);
-        total_coeff= coeff_token>>2;
-    }else{
-        if(n == LUMA_DC_BLOCK_INDEX){
-            total_coeff= pred_non_zero_count(h, 0);
-            coeff_token= get_vlc2(gb, coeff_token_vlc[ coeff_token_table_index[total_coeff] ].table, COEFF_TOKEN_VLC_BITS, 2);
-            total_coeff= coeff_token>>2;
-        }else{
-            total_coeff= pred_non_zero_count(h, n);
-            coeff_token= get_vlc2(gb, coeff_token_vlc[ coeff_token_table_index[total_coeff] ].table, COEFF_TOKEN_VLC_BITS, 2);
-            total_coeff= coeff_token>>2;
-            h->non_zero_count_cache[ scan8[n] ]= total_coeff;
-        }
-    }
-
-    //FIXME set last_non_zero?
-
-    if(total_coeff==0)
-        return 0;
-    if(total_coeff > (unsigned)max_coeff) {
-        av_log(h->s.avctx, AV_LOG_ERROR, "corrupted macroblock %d %d (total_coeff=%d)\n", s->mb_x, s->mb_y, total_coeff);
-        return -1;
-    }
-
-    trailing_ones= coeff_token&3;
-    tprintf(h->s.avctx, "trailing:%d, total:%d\n", trailing_ones, total_coeff);
-    assert(total_coeff<=16);
-
-    for(i=0; i<trailing_ones; i++){
-        level[i]= 1 - 2*get_bits1(gb);
-    }
-
-    if(i<total_coeff) {
-        int level_code, mask;
-        int suffix_length = total_coeff > 10 && trailing_ones < 3;
-        int prefix= get_level_prefix(gb);
-
-        //first coefficient has suffix_length equal to 0 or 1
-        if(prefix<14){ //FIXME try to build a large unified VLC table for all this
-            if(suffix_length)
-                level_code= (prefix<<suffix_length) + get_bits(gb, suffix_length); //part
-            else
-                level_code= (prefix<<suffix_length); //part
-        }else if(prefix==14){
-            if(suffix_length)
-                level_code= (prefix<<suffix_length) + get_bits(gb, suffix_length); //part
-            else
-                level_code= prefix + get_bits(gb, 4); //part
-        }else if(prefix==15){
-            level_code= (prefix<<suffix_length) + get_bits(gb, 12); //part
-            if(suffix_length==0) level_code+=15; //FIXME doesn't make (much)sense
-        }else{
-            av_log(h->s.avctx, AV_LOG_ERROR, "prefix too large at %d %d\n", s->mb_x, s->mb_y);
-            return -1;
-        }
-
-        if(trailing_ones < 3) level_code += 2;
-
-        suffix_length = 1;
-        if(level_code > 5)
-            suffix_length++;
-        mask= -(level_code&1);
-        level[i]= (((2+level_code)>>1) ^ mask) - mask;
-        i++;
-
-        //remaining coefficients have suffix_length > 0
-        for(;i<total_coeff;i++) {
-            static const int suffix_limit[7] = {0,5,11,23,47,95,INT_MAX };
-            prefix = get_level_prefix(gb);
-            if(prefix<15){
-                level_code = (prefix<<suffix_length) + get_bits(gb, suffix_length);
-            }else if(prefix==15){
-                level_code =  (prefix<<suffix_length) + get_bits(gb, 12);
-            }else{
-                av_log(h->s.avctx, AV_LOG_ERROR, "prefix too large at %d %d\n", s->mb_x, s->mb_y);
-                return -1;
-            }
-            mask= -(level_code&1);
-            level[i]= (((2+level_code)>>1) ^ mask) - mask;
-            if(level_code > suffix_limit[suffix_length])
-                suffix_length++;
-        }
-    }
-
-    if(total_coeff == max_coeff)
-        zeros_left=0;
-    else{
-        if(n == CHROMA_DC_BLOCK_INDEX)
-            zeros_left= get_vlc2(gb, chroma_dc_total_zeros_vlc[ total_coeff-1 ].table, CHROMA_DC_TOTAL_ZEROS_VLC_BITS, 1);
-        else
-            zeros_left= get_vlc2(gb, total_zeros_vlc[ total_coeff-1 ].table, TOTAL_ZEROS_VLC_BITS, 1);
-    }
-
-    coeff_num = zeros_left + total_coeff - 1;
-    j = scantable[coeff_num];
-    if(n > 24){
-        block[j] = level[0];
-        for(i=1;i<total_coeff;i++) {
-            if(zeros_left <= 0)
-                run_before = 0;
-            else if(zeros_left < 7){
-                run_before= get_vlc2(gb, run_vlc[zeros_left-1].table, RUN_VLC_BITS, 1);
-            }else{
-                run_before= get_vlc2(gb, run7_vlc.table, RUN7_VLC_BITS, 2);
-            }
-            zeros_left -= run_before;
-            coeff_num -= 1 + run_before;
-            j= scantable[ coeff_num ];
-
-            block[j]= level[i];
-        }
-    }else{
-        block[j] = (level[0] * qmul[j] + 32)>>6;
-        for(i=1;i<total_coeff;i++) {
-            if(zeros_left <= 0)
-                run_before = 0;
-            else if(zeros_left < 7){
-                run_before= get_vlc2(gb, run_vlc[zeros_left-1].table, RUN_VLC_BITS, 1);
-            }else{
-                run_before= get_vlc2(gb, run7_vlc.table, RUN7_VLC_BITS, 2);
-            }
-            zeros_left -= run_before;
-            coeff_num -= 1 + run_before;
-            j= scantable[ coeff_num ];
-
-            block[j]= (level[i] * qmul[j] + 32)>>6;
-        }
-    }
-
-    if(zeros_left<0){
-        av_log(h->s.avctx, AV_LOG_ERROR, "negative number of zero coeffs at %d %d\n", s->mb_x, s->mb_y);
-        return -1;
-    }
-
-    return 0;
-}
-
-static void predict_field_decoding_flag(H264Context *h){
-    MpegEncContext * const s = &h->s;
-    const int mb_xy= s->mb_x + s->mb_y*s->mb_stride;
-    int mb_type = (h->slice_table[mb_xy-1] == h->slice_num)
-                ? s->current_picture.mb_type[mb_xy-1]
-                : (h->slice_table[mb_xy-s->mb_stride] == h->slice_num)
-                ? s->current_picture.mb_type[mb_xy-s->mb_stride]
-                : 0;
-    h->mb_mbaff = h->mb_field_decoding_flag = IS_INTERLACED(mb_type) ? 1 : 0;
-}
-
-/**
- * decodes a P_SKIP or B_SKIP macroblock
- */
-static void decode_mb_skip(H264Context *h){
-    MpegEncContext * const s = &h->s;
-    const int mb_xy= s->mb_x + s->mb_y*s->mb_stride;
-    int mb_type=0;
-
-    memset(h->non_zero_count[mb_xy], 0, 16);
-    memset(h->non_zero_count_cache + 8, 0, 8*5); //FIXME ugly, remove pfui
-
-    if(MB_FIELD)
-        mb_type|= MB_TYPE_INTERLACED;
-
-    if( h->slice_type == B_TYPE )
-    {
-        // just for fill_caches. pred_direct_motion will set the real mb_type
-        mb_type|= MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2|MB_TYPE_SKIP;
-
-        fill_caches(h, mb_type, 0); //FIXME check what is needed and what not ...
-        pred_direct_motion(h, &mb_type);
-        mb_type|= MB_TYPE_SKIP;
-    }
-    else
-    {
-        int mx, my;
-        mb_type|= MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P1L0|MB_TYPE_SKIP;
-
-        fill_caches(h, mb_type, 0); //FIXME check what is needed and what not ...
-        pred_pskip_motion(h, &mx, &my);
-        fill_rectangle(&h->ref_cache[0][scan8[0]], 4, 4, 8, 0, 1);
-        fill_rectangle(  h->mv_cache[0][scan8[0]], 4, 4, 8, pack16to32(mx,my), 4);
-    }
-
-    write_back_motion(h, mb_type);
-    s->current_picture.mb_type[mb_xy]= mb_type;
-    s->current_picture.qscale_table[mb_xy]= s->qscale;
-    h->slice_table[ mb_xy ]= h->slice_num;
-    h->prev_mb_skipped= 1;
-}
-
-/**
- * decodes a macroblock
- * @returns 0 if ok, AC_ERROR / DC_ERROR / MV_ERROR if an error is noticed
- */
-static int decode_mb_cavlc(H264Context *h){
-    MpegEncContext * const s = &h->s;
-    const int mb_xy= s->mb_x + s->mb_y*s->mb_stride;
-    int partition_count;
-    unsigned int mb_type, cbp;
-    int dct8x8_allowed= h->pps.transform_8x8_mode;
-
-    s->dsp.clear_blocks(h->mb); //FIXME avoid if already clear (move after skip handlong?
-
-    tprintf(s->avctx, "pic:%d mb:%d/%d\n", h->frame_num, s->mb_x, s->mb_y);
-    cbp = 0; /* avoid warning. FIXME: find a solution without slowing
-                down the code */
-    if(h->slice_type != I_TYPE && h->slice_type != SI_TYPE){
-        if(s->mb_skip_run==-1)
-            s->mb_skip_run= get_ue_golomb(&s->gb);
-
-        if (s->mb_skip_run--) {
-            if(FRAME_MBAFF && (s->mb_y&1) == 0){
-                if(s->mb_skip_run==0)
-                    h->mb_mbaff = h->mb_field_decoding_flag = get_bits1(&s->gb);
-                else
-                    predict_field_decoding_flag(h);
-            }
-            decode_mb_skip(h);
-            return 0;
-        }
-    }
-    if(FRAME_MBAFF){
-        if( (s->mb_y&1) == 0 )
-            h->mb_mbaff = h->mb_field_decoding_flag = get_bits1(&s->gb);
-    }else
-        h->mb_field_decoding_flag= (s->picture_structure!=PICT_FRAME);
-
-    h->prev_mb_skipped= 0;
-
-    mb_type= get_ue_golomb(&s->gb);
-    if(h->slice_type == B_TYPE){
-        if(mb_type < 23){
-            partition_count= b_mb_type_info[mb_type].partition_count;
-            mb_type=         b_mb_type_info[mb_type].type;
-        }else{
-            mb_type -= 23;
-            goto decode_intra_mb;
-        }
-    }else if(h->slice_type == P_TYPE /*|| h->slice_type == SP_TYPE */){
-        if(mb_type < 5){
-            partition_count= p_mb_type_info[mb_type].partition_count;
-            mb_type=         p_mb_type_info[mb_type].type;
-        }else{
-            mb_type -= 5;
-            goto decode_intra_mb;
-        }
-    }else{
-       assert(h->slice_type == I_TYPE);
-decode_intra_mb:
-        if(mb_type > 25){
-            av_log(h->s.avctx, AV_LOG_ERROR, "mb_type %d in %c slice too large at %d %d\n", mb_type, av_get_pict_type_char(h->slice_type), s->mb_x, s->mb_y);
-            return -1;
-        }
-        partition_count=0;
-        cbp= i_mb_type_info[mb_type].cbp;
-        h->intra16x16_pred_mode= i_mb_type_info[mb_type].pred_mode;
-        mb_type= i_mb_type_info[mb_type].type;
-    }
-
-    if(MB_FIELD)
-        mb_type |= MB_TYPE_INTERLACED;
-
-    h->slice_table[ mb_xy ]= h->slice_num;
-
-    if(IS_INTRA_PCM(mb_type)){
-        unsigned int x, y;
-
-        // we assume these blocks are very rare so we dont optimize it
-        align_get_bits(&s->gb);
-
-        // The pixels are stored in the same order as levels in h->mb array.
-        for(y=0; y<16; y++){
-            const int index= 4*(y&3) + 32*((y>>2)&1) + 128*(y>>3);
-            for(x=0; x<16; x++){
-                tprintf(s->avctx, "LUMA ICPM LEVEL (%3d)\n", show_bits(&s->gb, 8));
-                h->mb[index + (x&3) + 16*((x>>2)&1) + 64*(x>>3)]= get_bits(&s->gb, 8);
-            }
-        }
-        for(y=0; y<8; y++){
-            const int index= 256 + 4*(y&3) + 32*(y>>2);
-            for(x=0; x<8; x++){
-                tprintf(s->avctx, "CHROMA U ICPM LEVEL (%3d)\n", show_bits(&s->gb, 8));
-                h->mb[index + (x&3) + 16*(x>>2)]= get_bits(&s->gb, 8);
-            }
-        }
-        for(y=0; y<8; y++){
-            const int index= 256 + 64 + 4*(y&3) + 32*(y>>2);
-            for(x=0; x<8; x++){
-                tprintf(s->avctx, "CHROMA V ICPM LEVEL (%3d)\n", show_bits(&s->gb, 8));
-                h->mb[index + (x&3) + 16*(x>>2)]= get_bits(&s->gb, 8);
-            }
-        }
-
-        // In deblocking, the quantizer is 0
-        s->current_picture.qscale_table[mb_xy]= 0;
-        h->chroma_qp = get_chroma_qp(h->pps.chroma_qp_index_offset, 0);
-        // All coeffs are present
-        memset(h->non_zero_count[mb_xy], 16, 16);
-
-        s->current_picture.mb_type[mb_xy]= mb_type;
-        return 0;
-    }
-
-    if(MB_MBAFF){
-        h->ref_count[0] <<= 1;
-        h->ref_count[1] <<= 1;
-    }
-
-    fill_caches(h, mb_type, 0);
-
-    //mb_pred
-    if(IS_INTRA(mb_type)){
-            int pred_mode;
-//            init_top_left_availability(h);
-            if(IS_INTRA4x4(mb_type)){
-                int i;
-                int di = 1;
-                if(dct8x8_allowed && get_bits1(&s->gb)){
-                    mb_type |= MB_TYPE_8x8DCT;
-                    di = 4;
-                }
-
-//                fill_intra4x4_pred_table(h);
-                for(i=0; i<16; i+=di){
-                    int mode= pred_intra_mode(h, i);
-
-                    if(!get_bits1(&s->gb)){
-                        const int rem_mode= get_bits(&s->gb, 3);
-                        mode = rem_mode + (rem_mode >= mode);
-                    }
-
-                    if(di==4)
-                        fill_rectangle( &h->intra4x4_pred_mode_cache[ scan8[i] ], 2, 2, 8, mode, 1 );
-                    else
-                        h->intra4x4_pred_mode_cache[ scan8[i] ] = mode;
-                }
-                write_back_intra_pred_mode(h);
-                if( check_intra4x4_pred_mode(h) < 0)
-                    return -1;
-            }else{
-                h->intra16x16_pred_mode= check_intra_pred_mode(h, h->intra16x16_pred_mode);
-                if(h->intra16x16_pred_mode < 0)
-                    return -1;
-            }
-
-            pred_mode= check_intra_pred_mode(h, get_ue_golomb(&s->gb));
-            if(pred_mode < 0)
-                return -1;
-            h->chroma_pred_mode= pred_mode;
-    }else if(partition_count==4){
-        int i, j, sub_partition_count[4], list, ref[2][4];
-
-        if(h->slice_type == B_TYPE){
-            for(i=0; i<4; i++){
-                h->sub_mb_type[i]= get_ue_golomb(&s->gb);
-                if(h->sub_mb_type[i] >=13){
-                    av_log(h->s.avctx, AV_LOG_ERROR, "B sub_mb_type %u out of range at %d %d\n", h->sub_mb_type[i], s->mb_x, s->mb_y);
-                    return -1;
-                }
-                sub_partition_count[i]= b_sub_mb_type_info[ h->sub_mb_type[i] ].partition_count;
-                h->sub_mb_type[i]=      b_sub_mb_type_info[ h->sub_mb_type[i] ].type;
-            }
-            if(   IS_DIRECT(h->sub_mb_type[0]) || IS_DIRECT(h->sub_mb_type[1])
-               || IS_DIRECT(h->sub_mb_type[2]) || IS_DIRECT(h->sub_mb_type[3])) {
-                pred_direct_motion(h, &mb_type);
-                h->ref_cache[0][scan8[4]] =
-                h->ref_cache[1][scan8[4]] =
-                h->ref_cache[0][scan8[12]] =
-                h->ref_cache[1][scan8[12]] = PART_NOT_AVAILABLE;
-            }
-        }else{
-            assert(h->slice_type == P_TYPE || h->slice_type == SP_TYPE); //FIXME SP correct ?
-            for(i=0; i<4; i++){
-                h->sub_mb_type[i]= get_ue_golomb(&s->gb);
-                if(h->sub_mb_type[i] >=4){
-                    av_log(h->s.avctx, AV_LOG_ERROR, "P sub_mb_type %u out of range at %d %d\n", h->sub_mb_type[i], s->mb_x, s->mb_y);
-                    return -1;
-                }
-                sub_partition_count[i]= p_sub_mb_type_info[ h->sub_mb_type[i] ].partition_count;
-                h->sub_mb_type[i]=      p_sub_mb_type_info[ h->sub_mb_type[i] ].type;
-            }
-        }
-
-        for(list=0; list<h->list_count; list++){
-            int ref_count= IS_REF0(mb_type) ? 1 : h->ref_count[list];
-            for(i=0; i<4; i++){
-                if(IS_DIRECT(h->sub_mb_type[i])) continue;
-                if(IS_DIR(h->sub_mb_type[i], 0, list)){
-                    unsigned int tmp = get_te0_golomb(&s->gb, ref_count); //FIXME init to 0 before and skip?
-                    if(tmp>=ref_count){
-                        av_log(h->s.avctx, AV_LOG_ERROR, "ref %u overflow\n", tmp);
-                        return -1;
-                    }
-                    ref[list][i]= tmp;
-                }else{
-                 //FIXME
-                    ref[list][i] = -1;
-                }
-            }
-        }
-
-        if(dct8x8_allowed)
-            dct8x8_allowed = get_dct8x8_allowed(h);
-
-        for(list=0; list<h->list_count; list++){
-            for(i=0; i<4; i++){
-                if(IS_DIRECT(h->sub_mb_type[i])) {
-                    h->ref_cache[list][ scan8[4*i] ] = h->ref_cache[list][ scan8[4*i]+1 ];
-                    continue;
-                }
-                h->ref_cache[list][ scan8[4*i]   ]=h->ref_cache[list][ scan8[4*i]+1 ]=
-                h->ref_cache[list][ scan8[4*i]+8 ]=h->ref_cache[list][ scan8[4*i]+9 ]= ref[list][i];
-
-                if(IS_DIR(h->sub_mb_type[i], 0, list)){
-                    const int sub_mb_type= h->sub_mb_type[i];
-                    const int block_width= (sub_mb_type & (MB_TYPE_16x16|MB_TYPE_16x8)) ? 2 : 1;
-                    for(j=0; j<sub_partition_count[i]; j++){
-                        int mx, my;
-                        const int index= 4*i + block_width*j;
-                        int16_t (* mv_cache)[2]= &h->mv_cache[list][ scan8[index] ];
-                        pred_motion(h, index, block_width, list, h->ref_cache[list][ scan8[index] ], &mx, &my);
-                        mx += get_se_golomb(&s->gb);
-                        my += get_se_golomb(&s->gb);
-                        tprintf(s->avctx, "final mv:%d %d\n", mx, my);
-
-                        if(IS_SUB_8X8(sub_mb_type)){
-                            mv_cache[ 1 ][0]=
-                            mv_cache[ 8 ][0]= mv_cache[ 9 ][0]= mx;
-                            mv_cache[ 1 ][1]=
-                            mv_cache[ 8 ][1]= mv_cache[ 9 ][1]= my;
-                        }else if(IS_SUB_8X4(sub_mb_type)){
-                            mv_cache[ 1 ][0]= mx;
-                            mv_cache[ 1 ][1]= my;
-                        }else if(IS_SUB_4X8(sub_mb_type)){
-                            mv_cache[ 8 ][0]= mx;
-                            mv_cache[ 8 ][1]= my;
-                        }
-                        mv_cache[ 0 ][0]= mx;
-                        mv_cache[ 0 ][1]= my;
-                    }
-                }else{
-                    uint32_t *p= (uint32_t *)&h->mv_cache[list][ scan8[4*i] ][0];
-                    p[0] = p[1]=
-                    p[8] = p[9]= 0;
-                }
-            }
-        }
-    }else if(IS_DIRECT(mb_type)){
-        pred_direct_motion(h, &mb_type);
-        dct8x8_allowed &= h->sps.direct_8x8_inference_flag;
-    }else{
-        int list, mx, my, i;
-         //FIXME we should set ref_idx_l? to 0 if we use that later ...
-        if(IS_16X16(mb_type)){
-            for(list=0; list<h->list_count; list++){
-                    unsigned int val;
-                    if(IS_DIR(mb_type, 0, list)){
-                        val= get_te0_golomb(&s->gb, h->ref_count[list]);
-                        if(val >= h->ref_count[list]){
-                            av_log(h->s.avctx, AV_LOG_ERROR, "ref %u overflow\n", val);
-                            return -1;
-                        }
-                    }else
-                        val= LIST_NOT_USED&0xFF;
-                    fill_rectangle(&h->ref_cache[list][ scan8[0] ], 4, 4, 8, val, 1);
-            }
-            for(list=0; list<h->list_count; list++){
-                unsigned int val;
-                if(IS_DIR(mb_type, 0, list)){
-                    pred_motion(h, 0, 4, list, h->ref_cache[list][ scan8[0] ], &mx, &my);
-                    mx += get_se_golomb(&s->gb);
-                    my += get_se_golomb(&s->gb);
-                    tprintf(s->avctx, "final mv:%d %d\n", mx, my);
-
-                    val= pack16to32(mx,my);
-                }else
-                    val=0;
-                fill_rectangle(h->mv_cache[list][ scan8[0] ], 4, 4, 8, val, 4);
-            }
-        }
-        else if(IS_16X8(mb_type)){
-            for(list=0; list<h->list_count; list++){
-                    for(i=0; i<2; i++){
-                        unsigned int val;
-                        if(IS_DIR(mb_type, i, list)){
-                            val= get_te0_golomb(&s->gb, h->ref_count[list]);
-                            if(val >= h->ref_count[list]){
-                                av_log(h->s.avctx, AV_LOG_ERROR, "ref %u overflow\n", val);
-                                return -1;
-                            }
-                        }else
-                            val= LIST_NOT_USED&0xFF;
-                        fill_rectangle(&h->ref_cache[list][ scan8[0] + 16*i ], 4, 2, 8, val, 1);
-                    }
-            }
-            for(list=0; list<h->list_count; list++){
-                for(i=0; i<2; i++){
-                    unsigned int val;
-                    if(IS_DIR(mb_type, i, list)){
-                        pred_16x8_motion(h, 8*i, list, h->ref_cache[list][scan8[0] + 16*i], &mx, &my);
-                        mx += get_se_golomb(&s->gb);
-                        my += get_se_golomb(&s->gb);
-                        tprintf(s->avctx, "final mv:%d %d\n", mx, my);
-
-                        val= pack16to32(mx,my);
-                    }else
-                        val=0;
-                    fill_rectangle(h->mv_cache[list][ scan8[0] + 16*i ], 4, 2, 8, val, 4);
-                }
-            }
-        }else{
-            assert(IS_8X16(mb_type));
-            for(list=0; list<h->list_count; list++){
-                    for(i=0; i<2; i++){
-                        unsigned int val;
-                        if(IS_DIR(mb_type, i, list)){ //FIXME optimize
-                            val= get_te0_golomb(&s->gb, h->ref_count[list]);
-                            if(val >= h->ref_count[list]){
-                                av_log(h->s.avctx, AV_LOG_ERROR, "ref %u overflow\n", val);
-                                return -1;
-                            }
-                        }else
-                            val= LIST_NOT_USED&0xFF;
-                        fill_rectangle(&h->ref_cache[list][ scan8[0] + 2*i ], 2, 4, 8, val, 1);
-                    }
-            }
-            for(list=0; list<h->list_count; list++){
-                for(i=0; i<2; i++){
-                    unsigned int val;
-                    if(IS_DIR(mb_type, i, list)){
-                        pred_8x16_motion(h, i*4, list, h->ref_cache[list][ scan8[0] + 2*i ], &mx, &my);
-                        mx += get_se_golomb(&s->gb);
-                        my += get_se_golomb(&s->gb);
-                        tprintf(s->avctx, "final mv:%d %d\n", mx, my);
-
-                        val= pack16to32(mx,my);
-                    }else
-                        val=0;
-                    fill_rectangle(h->mv_cache[list][ scan8[0] + 2*i ], 2, 4, 8, val, 4);
-                }
-            }
-        }
-    }
-
-    if(IS_INTER(mb_type))
-        write_back_motion(h, mb_type);
-
-    if(!IS_INTRA16x16(mb_type)){
-        cbp= get_ue_golomb(&s->gb);
-        if(cbp > 47){
-            av_log(h->s.avctx, AV_LOG_ERROR, "cbp too large (%u) at %d %d\n", cbp, s->mb_x, s->mb_y);
-            return -1;
-        }
-
-        if(IS_INTRA4x4(mb_type))
-            cbp= golomb_to_intra4x4_cbp[cbp];
-        else
-            cbp= golomb_to_inter_cbp[cbp];
-    }
-    h->cbp = cbp;
-
-    if(dct8x8_allowed && (cbp&15) && !IS_INTRA(mb_type)){
-        if(get_bits1(&s->gb))
-            mb_type |= MB_TYPE_8x8DCT;
-    }
-    s->current_picture.mb_type[mb_xy]= mb_type;
-
-    if(cbp || IS_INTRA16x16(mb_type)){
-        int i8x8, i4x4, chroma_idx;
-        int chroma_qp, dquant;
-        GetBitContext *gb= IS_INTRA(mb_type) ? h->intra_gb_ptr : h->inter_gb_ptr;
-        const uint8_t *scan, *scan8x8, *dc_scan;
-
-//        fill_non_zero_count_cache(h);
-
-        if(IS_INTERLACED(mb_type)){
-            scan8x8= s->qscale ? h->field_scan8x8_cavlc : h->field_scan8x8_cavlc_q0;
-            scan= s->qscale ? h->field_scan : h->field_scan_q0;
-            dc_scan= luma_dc_field_scan;
-        }else{
-            scan8x8= s->qscale ? h->zigzag_scan8x8_cavlc : h->zigzag_scan8x8_cavlc_q0;
-            scan= s->qscale ? h->zigzag_scan : h->zigzag_scan_q0;
-            dc_scan= luma_dc_zigzag_scan;
-        }
-
-        dquant= get_se_golomb(&s->gb);
-
-        if( dquant > 25 || dquant < -26 ){
-            av_log(h->s.avctx, AV_LOG_ERROR, "dquant out of range (%d) at %d %d\n", dquant, s->mb_x, s->mb_y);
-            return -1;
-        }
-
-        s->qscale += dquant;
-        if(((unsigned)s->qscale) > 51){
-            if(s->qscale<0) s->qscale+= 52;
-            else            s->qscale-= 52;
-        }
-
-        h->chroma_qp= chroma_qp= get_chroma_qp(h->pps.chroma_qp_index_offset, s->qscale);
-        if(IS_INTRA16x16(mb_type)){
-            if( decode_residual(h, h->intra_gb_ptr, h->mb, LUMA_DC_BLOCK_INDEX, dc_scan, h->dequant4_coeff[0][s->qscale], 16) < 0){
-                return -1; //FIXME continue if partitioned and other return -1 too
-            }
-
-            assert((cbp&15) == 0 || (cbp&15) == 15);
-
-            if(cbp&15){
-                for(i8x8=0; i8x8<4; i8x8++){
-                    for(i4x4=0; i4x4<4; i4x4++){
-                        const int index= i4x4 + 4*i8x8;
-                        if( decode_residual(h, h->intra_gb_ptr, h->mb + 16*index, index, scan + 1, h->dequant4_coeff[0][s->qscale], 15) < 0 ){
-                            return -1;
-                        }
-                    }
-                }
-            }else{
-                fill_rectangle(&h->non_zero_count_cache[scan8[0]], 4, 4, 8, 0, 1);
-            }
-        }else{
-            for(i8x8=0; i8x8<4; i8x8++){
-                if(cbp & (1<<i8x8)){
-                    if(IS_8x8DCT(mb_type)){
-                        DCTELEM *buf = &h->mb[64*i8x8];
-                        uint8_t *nnz;
-                        for(i4x4=0; i4x4<4; i4x4++){
-                            if( decode_residual(h, gb, buf, i4x4+4*i8x8, scan8x8+16*i4x4,
-                                                h->dequant8_coeff[IS_INTRA( mb_type ) ? 0:1][s->qscale], 16) <0 )
-                                return -1;
-                        }
-                        nnz= &h->non_zero_count_cache[ scan8[4*i8x8] ];
-                        nnz[0] += nnz[1] + nnz[8] + nnz[9];
-                    }else{
-                        for(i4x4=0; i4x4<4; i4x4++){
-                            const int index= i4x4 + 4*i8x8;
-
-                            if( decode_residual(h, gb, h->mb + 16*index, index, scan, h->dequant4_coeff[IS_INTRA( mb_type ) ? 0:3][s->qscale], 16) <0 ){
-                                return -1;
-                            }
-                        }
-                    }
-                }else{
-                    uint8_t * const nnz= &h->non_zero_count_cache[ scan8[4*i8x8] ];
-                    nnz[0] = nnz[1] = nnz[8] = nnz[9] = 0;
-                }
-            }
-        }
-
-        if(cbp&0x30){
-            for(chroma_idx=0; chroma_idx<2; chroma_idx++)
-                if( decode_residual(h, gb, h->mb + 256 + 16*4*chroma_idx, CHROMA_DC_BLOCK_INDEX, chroma_dc_scan, NULL, 4) < 0){
-                    return -1;
-                }
-        }
-
-        if(cbp&0x20){
-            for(chroma_idx=0; chroma_idx<2; chroma_idx++){
-                for(i4x4=0; i4x4<4; i4x4++){
-                    const int index= 16 + 4*chroma_idx + i4x4;
-                    if( decode_residual(h, gb, h->mb + 16*index, index, scan + 1, h->dequant4_coeff[chroma_idx+1+(IS_INTRA( mb_type ) ? 0:3)][chroma_qp], 15) < 0){
-                        return -1;
-                    }
-                }
-            }
-        }else{
-            uint8_t * const nnz= &h->non_zero_count_cache[0];
-            nnz[ scan8[16]+0 ] = nnz[ scan8[16]+1 ] =nnz[ scan8[16]+8 ] =nnz[ scan8[16]+9 ] =
-            nnz[ scan8[20]+0 ] = nnz[ scan8[20]+1 ] =nnz[ scan8[20]+8 ] =nnz[ scan8[20]+9 ] = 0;
-        }
-    }else{
-        uint8_t * const nnz= &h->non_zero_count_cache[0];
-        fill_rectangle(&nnz[scan8[0]], 4, 4, 8, 0, 1);
-        nnz[ scan8[16]+0 ] = nnz[ scan8[16]+1 ] =nnz[ scan8[16]+8 ] =nnz[ scan8[16]+9 ] =
-        nnz[ scan8[20]+0 ] = nnz[ scan8[20]+1 ] =nnz[ scan8[20]+8 ] =nnz[ scan8[20]+9 ] = 0;
-    }
-    s->current_picture.qscale_table[mb_xy]= s->qscale;
-    write_back_non_zero_count(h);
-
-    if(MB_MBAFF){
-        h->ref_count[0] >>= 1;
-        h->ref_count[1] >>= 1;
-    }
-
-    return 0;
-}
-
-static int decode_cabac_field_decoding_flag(H264Context *h) {
-    MpegEncContext * const s = &h->s;
-    const int mb_x = s->mb_x;
-    const int mb_y = s->mb_y & ~1;
-    const int mba_xy = mb_x - 1 +  mb_y   *s->mb_stride;
-    const int mbb_xy = mb_x     + (mb_y-2)*s->mb_stride;
-
-    unsigned int ctx = 0;
-
-    if( h->slice_table[mba_xy] == h->slice_num && IS_INTERLACED( s->current_picture.mb_type[mba_xy] ) ) {
-        ctx += 1;
-    }
-    if( h->slice_table[mbb_xy] == h->slice_num && IS_INTERLACED( s->current_picture.mb_type[mbb_xy] ) ) {
-        ctx += 1;
-    }
-
-    return get_cabac_noinline( &h->cabac, &h->cabac_state[70 + ctx] );
-}
-
-static int decode_cabac_intra_mb_type(H264Context *h, int ctx_base, int intra_slice) {
-    uint8_t *state= &h->cabac_state[ctx_base];
-    int mb_type;
-
-    if(intra_slice){
-        MpegEncContext * const s = &h->s;
-        const int mba_xy = h->left_mb_xy[0];
-        const int mbb_xy = h->top_mb_xy;
-        int ctx=0;
-        if( h->slice_table[mba_xy] == h->slice_num && !IS_INTRA4x4( s->current_picture.mb_type[mba_xy] ) )
-            ctx++;
-        if( h->slice_table[mbb_xy] == h->slice_num && !IS_INTRA4x4( s->current_picture.mb_type[mbb_xy] ) )
-            ctx++;
-        if( get_cabac_noinline( &h->cabac, &state[ctx] ) == 0 )
-            return 0;   /* I4x4 */
-        state += 2;
-    }else{
-        if( get_cabac_noinline( &h->cabac, &state[0] ) == 0 )
-            return 0;   /* I4x4 */
-    }
-
-    if( get_cabac_terminate( &h->cabac ) )
-        return 25;  /* PCM */
-
-    mb_type = 1; /* I16x16 */
-    mb_type += 12 * get_cabac_noinline( &h->cabac, &state[1] ); /* cbp_luma != 0 */
-    if( get_cabac_noinline( &h->cabac, &state[2] ) ) /* cbp_chroma */
-        mb_type += 4 + 4 * get_cabac_noinline( &h->cabac, &state[2+intra_slice] );
-    mb_type += 2 * get_cabac_noinline( &h->cabac, &state[3+intra_slice] );
-    mb_type += 1 * get_cabac_noinline( &h->cabac, &state[3+2*intra_slice] );
-    return mb_type;
-}
-
-static int decode_cabac_mb_type( H264Context *h ) {
-    MpegEncContext * const s = &h->s;
-
-    if( h->slice_type == I_TYPE ) {
-        return decode_cabac_intra_mb_type(h, 3, 1);
-    } else if( h->slice_type == P_TYPE ) {
-        if( get_cabac_noinline( &h->cabac, &h->cabac_state[14] ) == 0 ) {
-            /* P-type */
-            if( get_cabac_noinline( &h->cabac, &h->cabac_state[15] ) == 0 ) {
-                /* P_L0_D16x16, P_8x8 */
-                return 3 * get_cabac_noinline( &h->cabac, &h->cabac_state[16] );
-            } else {
-                /* P_L0_D8x16, P_L0_D16x8 */
-                return 2 - get_cabac_noinline( &h->cabac, &h->cabac_state[17] );
-            }
-        } else {
-            return decode_cabac_intra_mb_type(h, 17, 0) + 5;
-        }
-    } else if( h->slice_type == B_TYPE ) {
-        const int mba_xy = h->left_mb_xy[0];
-        const int mbb_xy = h->top_mb_xy;
-        int ctx = 0;
-        int bits;
-
-        if( h->slice_table[mba_xy] == h->slice_num && !IS_DIRECT( s->current_picture.mb_type[mba_xy] ) )
-            ctx++;
-        if( h->slice_table[mbb_xy] == h->slice_num && !IS_DIRECT( s->current_picture.mb_type[mbb_xy] ) )
-            ctx++;
-
-        if( !get_cabac_noinline( &h->cabac, &h->cabac_state[27+ctx] ) )
-            return 0; /* B_Direct_16x16 */
-
-        if( !get_cabac_noinline( &h->cabac, &h->cabac_state[27+3] ) ) {
-            return 1 + get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] ); /* B_L[01]_16x16 */
-        }
-
-        bits = get_cabac_noinline( &h->cabac, &h->cabac_state[27+4] ) << 3;
-        bits|= get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] ) << 2;
-        bits|= get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] ) << 1;
-        bits|= get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] );
-        if( bits < 8 )
-            return bits + 3; /* B_Bi_16x16 through B_L1_L0_16x8 */
-        else if( bits == 13 ) {
-            return decode_cabac_intra_mb_type(h, 32, 0) + 23;
-        } else if( bits == 14 )
-            return 11; /* B_L1_L0_8x16 */
-        else if( bits == 15 )
-            return 22; /* B_8x8 */
-
-        bits= ( bits<<1 ) | get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] );
-        return bits - 4; /* B_L0_Bi_* through B_Bi_Bi_* */
-    } else {
-        /* TODO SI/SP frames? */
-        return -1;
-    }
-}
-
-static int decode_cabac_mb_skip( H264Context *h, int mb_x, int mb_y ) {
-    MpegEncContext * const s = &h->s;
-    int mba_xy, mbb_xy;
-    int ctx = 0;
-
-    if(FRAME_MBAFF){ //FIXME merge with the stuff in fill_caches?
-        int mb_xy = mb_x + (mb_y&~1)*s->mb_stride;
-        mba_xy = mb_xy - 1;
-        if( (mb_y&1)
-            && h->slice_table[mba_xy] == h->slice_num
-            && MB_FIELD == !!IS_INTERLACED( s->current_picture.mb_type[mba_xy] ) )
-            mba_xy += s->mb_stride;
-        if( MB_FIELD ){
-            mbb_xy = mb_xy - s->mb_stride;
-            if( !(mb_y&1)
-                && h->slice_table[mbb_xy] == h->slice_num
-                && IS_INTERLACED( s->current_picture.mb_type[mbb_xy] ) )
-                mbb_xy -= s->mb_stride;
-        }else
-            mbb_xy = mb_x + (mb_y-1)*s->mb_stride;
-    }else{
-        int mb_xy = mb_x + mb_y*s->mb_stride;
-        mba_xy = mb_xy - 1;
-        mbb_xy = mb_xy - s->mb_stride;
-    }
-
-    if( h->slice_table[mba_xy] == h->slice_num && !IS_SKIP( s->current_picture.mb_type[mba_xy] ))
-        ctx++;
-    if( h->slice_table[mbb_xy] == h->slice_num && !IS_SKIP( s->current_picture.mb_type[mbb_xy] ))
-        ctx++;
-
-    if( h->slice_type == B_TYPE )
-        ctx += 13;
-    return get_cabac_noinline( &h->cabac, &h->cabac_state[11+ctx] );
-}
-
-static int decode_cabac_mb_intra4x4_pred_mode( H264Context *h, int pred_mode ) {
-    int mode = 0;
-
-    if( get_cabac( &h->cabac, &h->cabac_state[68] ) )
-        return pred_mode;
-
-    mode += 1 * get_cabac( &h->cabac, &h->cabac_state[69] );
-    mode += 2 * get_cabac( &h->cabac, &h->cabac_state[69] );
-    mode += 4 * get_cabac( &h->cabac, &h->cabac_state[69] );
-
-    if( mode >= pred_mode )
-        return mode + 1;
-    else
-        return mode;
-}
-
-static int decode_cabac_mb_chroma_pre_mode( H264Context *h) {
-    const int mba_xy = h->left_mb_xy[0];
-    const int mbb_xy = h->top_mb_xy;
-
-    int ctx = 0;
-
-    /* No need to test for IS_INTRA4x4 and IS_INTRA16x16, as we set chroma_pred_mode_table to 0 */
-    if( h->slice_table[mba_xy] == h->slice_num && h->chroma_pred_mode_table[mba_xy] != 0 )
-        ctx++;
-
-    if( h->slice_table[mbb_xy] == h->slice_num && h->chroma_pred_mode_table[mbb_xy] != 0 )
-        ctx++;
-
-    if( get_cabac_noinline( &h->cabac, &h->cabac_state[64+ctx] ) == 0 )
-        return 0;
-
-    if( get_cabac_noinline( &h->cabac, &h->cabac_state[64+3] ) == 0 )
-        return 1;
-    if( get_cabac_noinline( &h->cabac, &h->cabac_state[64+3] ) == 0 )
-        return 2;
-    else
-        return 3;
-}
-
-static const uint8_t block_idx_x[16] = {
-    0, 1, 0, 1, 2, 3, 2, 3, 0, 1, 0, 1, 2, 3, 2, 3
-};
-static const uint8_t block_idx_y[16] = {
-    0, 0, 1, 1, 0, 0, 1, 1, 2, 2, 3, 3, 2, 2, 3, 3
-};
-static const uint8_t block_idx_xy[4][4] = {
-    { 0, 2, 8,  10},
-    { 1, 3, 9,  11},
-    { 4, 6, 12, 14},
-    { 5, 7, 13, 15}
-};
-
-static int decode_cabac_mb_cbp_luma( H264Context *h) {
-    int cbp = 0;
-    int cbp_b = -1;
-    int i8x8;
-
-    if( h->slice_table[h->top_mb_xy] == h->slice_num ) {
-        cbp_b = h->top_cbp;
-        tprintf(h->s.avctx, "cbp_b = top_cbp = %x\n", cbp_b);
-    }
-
-    for( i8x8 = 0; i8x8 < 4; i8x8++ ) {
-        int cbp_a = -1;
-        int x, y;
-        int ctx = 0;
-
-        x = block_idx_x[4*i8x8];
-        y = block_idx_y[4*i8x8];
-
-        if( x > 0 )
-            cbp_a = cbp;
-        else if( h->slice_table[h->left_mb_xy[0]] == h->slice_num ) {
-            cbp_a = h->left_cbp;
-            tprintf(h->s.avctx, "cbp_a = left_cbp = %x\n", cbp_a);
-        }
-
-        if( y > 0 )
-            cbp_b = cbp;
-
-        /* No need to test for skip as we put 0 for skip block */
-        /* No need to test for IPCM as we put 1 for IPCM block */
-        if( cbp_a >= 0 ) {
-            int i8x8a = block_idx_xy[(x-1)&0x03][y]/4;
-            if( ((cbp_a >> i8x8a)&0x01) == 0 )
-                ctx++;
-        }
-
-        if( cbp_b >= 0 ) {
-            int i8x8b = block_idx_xy[x][(y-1)&0x03]/4;
-            if( ((cbp_b >> i8x8b)&0x01) == 0 )
-                ctx += 2;
-        }
-
-        if( get_cabac( &h->cabac, &h->cabac_state[73 + ctx] ) ) {
-            cbp |= 1 << i8x8;
-        }
-    }
-    return cbp;
-}
-static int decode_cabac_mb_cbp_chroma( H264Context *h) {
-    int ctx;
-    int cbp_a, cbp_b;
-
-    cbp_a = (h->left_cbp>>4)&0x03;
-    cbp_b = (h-> top_cbp>>4)&0x03;
-
-    ctx = 0;
-    if( cbp_a > 0 ) ctx++;
-    if( cbp_b > 0 ) ctx += 2;
-    if( get_cabac_noinline( &h->cabac, &h->cabac_state[77 + ctx] ) == 0 )
-        return 0;
-
-    ctx = 4;
-    if( cbp_a == 2 ) ctx++;
-    if( cbp_b == 2 ) ctx += 2;
-    return 1 + get_cabac_noinline( &h->cabac, &h->cabac_state[77 + ctx] );
-}
-static int decode_cabac_mb_dqp( H264Context *h) {
-    MpegEncContext * const s = &h->s;
-    int mbn_xy;
-    int   ctx = 0;
-    int   val = 0;
-
-    if( s->mb_x > 0 )
-        mbn_xy = s->mb_x + s->mb_y*s->mb_stride - 1;
-    else
-        mbn_xy = s->mb_width - 1 + (s->mb_y-1)*s->mb_stride;
-
-    if( h->last_qscale_diff != 0 )
-        ctx++;
-
-    while( get_cabac_noinline( &h->cabac, &h->cabac_state[60 + ctx] ) ) {
-        if( ctx < 2 )
-            ctx = 2;
-        else
-            ctx = 3;
-        val++;
-        if(val > 102) //prevent infinite loop
-            return INT_MIN;
-    }
-
-    if( val&0x01 )
-        return (val + 1)/2;
-    else
-        return -(val + 1)/2;
-}
-static int decode_cabac_p_mb_sub_type( H264Context *h ) {
-    if( get_cabac( &h->cabac, &h->cabac_state[21] ) )
-        return 0;   /* 8x8 */
-    if( !get_cabac( &h->cabac, &h->cabac_state[22] ) )
-        return 1;   /* 8x4 */
-    if( get_cabac( &h->cabac, &h->cabac_state[23] ) )
-        return 2;   /* 4x8 */
-    return 3;       /* 4x4 */
-}
-static int decode_cabac_b_mb_sub_type( H264Context *h ) {
-    int type;
-    if( !get_cabac( &h->cabac, &h->cabac_state[36] ) )
-        return 0;   /* B_Direct_8x8 */
-    if( !get_cabac( &h->cabac, &h->cabac_state[37] ) )
-        return 1 + get_cabac( &h->cabac, &h->cabac_state[39] ); /* B_L0_8x8, B_L1_8x8 */
-    type = 3;
-    if( get_cabac( &h->cabac, &h->cabac_state[38] ) ) {
-        if( get_cabac( &h->cabac, &h->cabac_state[39] ) )
-            return 11 + get_cabac( &h->cabac, &h->cabac_state[39] ); /* B_L1_4x4, B_Bi_4x4 */
-        type += 4;
-    }
-    type += 2*get_cabac( &h->cabac, &h->cabac_state[39] );
-    type +=   get_cabac( &h->cabac, &h->cabac_state[39] );
-    return type;
-}
-
-static inline int decode_cabac_mb_transform_size( H264Context *h ) {
-    return get_cabac_noinline( &h->cabac, &h->cabac_state[399 + h->neighbor_transform_size] );
-}
-
-static int decode_cabac_mb_ref( H264Context *h, int list, int n ) {
-    int refa = h->ref_cache[list][scan8[n] - 1];
-    int refb = h->ref_cache[list][scan8[n] - 8];
-    int ref  = 0;
-    int ctx  = 0;
-
-    if( h->slice_type == B_TYPE) {
-        if( refa > 0 && !h->direct_cache[scan8[n] - 1] )
-            ctx++;
-        if( refb > 0 && !h->direct_cache[scan8[n] - 8] )
-            ctx += 2;
-    } else {
-        if( refa > 0 )
-            ctx++;
-        if( refb > 0 )
-            ctx += 2;
-    }
-
-    while( get_cabac( &h->cabac, &h->cabac_state[54+ctx] ) ) {
-        ref++;
-        if( ctx < 4 )
-            ctx = 4;
-        else
-            ctx = 5;
-        if(ref >= 32 /*h->ref_list[list]*/){
-            av_log(h->s.avctx, AV_LOG_ERROR, "overflow in decode_cabac_mb_ref\n");
-            return 0; //FIXME we should return -1 and check the return everywhere
-        }
-    }
-    return ref;
-}
-
-static int decode_cabac_mb_mvd( H264Context *h, int list, int n, int l ) {
-    int amvd = abs( h->mvd_cache[list][scan8[n] - 1][l] ) +
-               abs( h->mvd_cache[list][scan8[n] - 8][l] );
-    int ctxbase = (l == 0) ? 40 : 47;
-    int ctx, mvd;
-
-    if( amvd < 3 )
-        ctx = 0;
-    else if( amvd > 32 )
-        ctx = 2;
-    else
-        ctx = 1;
-
-    if(!get_cabac(&h->cabac, &h->cabac_state[ctxbase+ctx]))
-        return 0;
-
-    mvd= 1;
-    ctx= 3;
-    while( mvd < 9 && get_cabac( &h->cabac, &h->cabac_state[ctxbase+ctx] ) ) {
-        mvd++;
-        if( ctx < 6 )
-            ctx++;
-    }
-
-    if( mvd >= 9 ) {
-        int k = 3;
-        while( get_cabac_bypass( &h->cabac ) ) {
-            mvd += 1 << k;
-            k++;
-            if(k>24){
-                av_log(h->s.avctx, AV_LOG_ERROR, "overflow in decode_cabac_mb_mvd\n");
-                return INT_MIN;
-            }
-        }
-        while( k-- ) {
-            if( get_cabac_bypass( &h->cabac ) )
-                mvd += 1 << k;
-        }
-    }
-    return get_cabac_bypass_sign( &h->cabac, -mvd );
-}
-
-static inline int get_cabac_cbf_ctx( H264Context *h, int cat, int idx ) {
-    int nza, nzb;
-    int ctx = 0;
-
-    if( cat == 0 ) {
-        nza = h->left_cbp&0x100;
-        nzb = h-> top_cbp&0x100;
-    } else if( cat == 1 || cat == 2 ) {
-        nza = h->non_zero_count_cache[scan8[idx] - 1];
-        nzb = h->non_zero_count_cache[scan8[idx] - 8];
-    } else if( cat == 3 ) {
-        nza = (h->left_cbp>>(6+idx))&0x01;
-        nzb = (h-> top_cbp>>(6+idx))&0x01;
-    } else {
-        assert(cat == 4);
-        nza = h->non_zero_count_cache[scan8[16+idx] - 1];
-        nzb = h->non_zero_count_cache[scan8[16+idx] - 8];
-    }
-
-    if( nza > 0 )
-        ctx++;
-
-    if( nzb > 0 )
-        ctx += 2;
-
-    return ctx + 4 * cat;
-}
-
-static const __attribute((used)) uint8_t last_coeff_flag_offset_8x8[63] = {
-    0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
-    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
-    3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4,
-    5, 5, 5, 5, 6, 6, 6, 6, 7, 7, 7, 7, 8, 8, 8
-};
-
-static int decode_cabac_residual( H264Context *h, DCTELEM *block, int cat, int n, const uint8_t *scantable, const uint32_t *qmul, int max_coeff) {
-    const int mb_xy  = h->s.mb_x + h->s.mb_y*h->s.mb_stride;
-    static const int significant_coeff_flag_offset[2][6] = {
-      { 105+0, 105+15, 105+29, 105+44, 105+47, 402 },
-      { 277+0, 277+15, 277+29, 277+44, 277+47, 436 }
-    };
-    static const int last_coeff_flag_offset[2][6] = {
-      { 166+0, 166+15, 166+29, 166+44, 166+47, 417 },
-      { 338+0, 338+15, 338+29, 338+44, 338+47, 451 }
-    };
-    static const int coeff_abs_level_m1_offset[6] = {
-        227+0, 227+10, 227+20, 227+30, 227+39, 426
-    };
-    static const uint8_t significant_coeff_flag_offset_8x8[2][63] = {
-      { 0, 1, 2, 3, 4, 5, 5, 4, 4, 3, 3, 4, 4, 4, 5, 5,
-        4, 4, 4, 4, 3, 3, 6, 7, 7, 7, 8, 9,10, 9, 8, 7,
-        7, 6,11,12,13,11, 6, 7, 8, 9,14,10, 9, 8, 6,11,
-       12,13,11, 6, 9,14,10, 9,11,12,13,11,14,10,12 },
-      { 0, 1, 1, 2, 2, 3, 3, 4, 5, 6, 7, 7, 7, 8, 4, 5,
-        6, 9,10,10, 8,11,12,11, 9, 9,10,10, 8,11,12,11,
-        9, 9,10,10, 8,11,12,11, 9, 9,10,10, 8,13,13, 9,
-        9,10,10, 8,13,13, 9, 9,10,10,14,14,14,14,14 }
-    };
-
-    int index[64];
-
-    int last;
-    int coeff_count = 0;
-
-    int abslevel1 = 1;
-    int abslevelgt1 = 0;
-
-    uint8_t *significant_coeff_ctx_base;
-    uint8_t *last_coeff_ctx_base;
-    uint8_t *abs_level_m1_ctx_base;
-
-#ifndef ARCH_X86
-#define CABAC_ON_STACK
-#endif
-#ifdef CABAC_ON_STACK
-#define CC &cc
-    CABACContext cc;
-    cc.range     = h->cabac.range;
-    cc.low       = h->cabac.low;
-    cc.bytestream= h->cabac.bytestream;
-#else
-#define CC &h->cabac
-#endif
-
-
-    /* cat: 0-> DC 16x16  n = 0
-     *      1-> AC 16x16  n = luma4x4idx
-     *      2-> Luma4x4   n = luma4x4idx
-     *      3-> DC Chroma n = iCbCr
-     *      4-> AC Chroma n = 4 * iCbCr + chroma4x4idx
-     *      5-> Luma8x8   n = 4 * luma8x8idx
-     */
-
-    /* read coded block flag */
-    if( cat != 5 ) {
-        if( get_cabac( CC, &h->cabac_state[85 + get_cabac_cbf_ctx( h, cat, n ) ] ) == 0 ) {
-            if( cat == 1 || cat == 2 )
-                h->non_zero_count_cache[scan8[n]] = 0;
-            else if( cat == 4 )
-                h->non_zero_count_cache[scan8[16+n]] = 0;
-#ifdef CABAC_ON_STACK
-            h->cabac.range     = cc.range     ;
-            h->cabac.low       = cc.low       ;
-            h->cabac.bytestream= cc.bytestream;
-#endif
-            return 0;
-        }
-    }
-
-    significant_coeff_ctx_base = h->cabac_state
-        + significant_coeff_flag_offset[MB_FIELD][cat];
-    last_coeff_ctx_base = h->cabac_state
-        + last_coeff_flag_offset[MB_FIELD][cat];
-    abs_level_m1_ctx_base = h->cabac_state
-        + coeff_abs_level_m1_offset[cat];
-
-    if( cat == 5 ) {
-#define DECODE_SIGNIFICANCE( coefs, sig_off, last_off ) \
-        for(last= 0; last < coefs; last++) { \
-            uint8_t *sig_ctx = significant_coeff_ctx_base + sig_off; \
-            if( get_cabac( CC, sig_ctx )) { \
-                uint8_t *last_ctx = last_coeff_ctx_base + last_off; \
-                index[coeff_count++] = last; \
-                if( get_cabac( CC, last_ctx ) ) { \
-                    last= max_coeff; \
-                    break; \
-                } \
-            } \
-        }\
-        if( last == max_coeff -1 ) {\
-            index[coeff_count++] = last;\
-        }
-        const uint8_t *sig_off = significant_coeff_flag_offset_8x8[MB_FIELD];
-#if defined(ARCH_X86) && defined(CONFIG_7REGS) && defined(HAVE_EBX_AVAILABLE) && !defined(BROKEN_RELOCATIONS)
-        coeff_count= decode_significance_8x8_x86(CC, significant_coeff_ctx_base, index, sig_off);
-    } else {
-        coeff_count= decode_significance_x86(CC, max_coeff, significant_coeff_ctx_base, index);
-#else
-        DECODE_SIGNIFICANCE( 63, sig_off[last], last_coeff_flag_offset_8x8[last] );
-    } else {
-        DECODE_SIGNIFICANCE( max_coeff - 1, last, last );
-#endif
-    }
-    assert(coeff_count > 0);
-
-    if( cat == 0 )
-        h->cbp_table[mb_xy] |= 0x100;
-    else if( cat == 1 || cat == 2 )
-        h->non_zero_count_cache[scan8[n]] = coeff_count;
-    else if( cat == 3 )
-        h->cbp_table[mb_xy] |= 0x40 << n;
-    else if( cat == 4 )
-        h->non_zero_count_cache[scan8[16+n]] = coeff_count;
-    else {
-        assert( cat == 5 );
-        fill_rectangle(&h->non_zero_count_cache[scan8[n]], 2, 2, 8, coeff_count, 1);
-    }
-
-    for( coeff_count--; coeff_count >= 0; coeff_count-- ) {
-        uint8_t *ctx = (abslevelgt1 != 0 ? 0 : FFMIN( 4, abslevel1 )) + abs_level_m1_ctx_base;
-        int j= scantable[index[coeff_count]];
-
-        if( get_cabac( CC, ctx ) == 0 ) {
-            if( !qmul ) {
-                block[j] = get_cabac_bypass_sign( CC, -1);
-            }else{
-                block[j] = (get_cabac_bypass_sign( CC, -qmul[j]) + 32) >> 6;;
-            }
-
-            abslevel1++;
-        } else {
-            int coeff_abs = 2;
-            ctx = 5 + FFMIN( 4, abslevelgt1 ) + abs_level_m1_ctx_base;
-            while( coeff_abs < 15 && get_cabac( CC, ctx ) ) {
-                coeff_abs++;
-            }
-
-            if( coeff_abs >= 15 ) {
-                int j = 0;
-                while( get_cabac_bypass( CC ) ) {
-                    j++;
-                }
-
-                coeff_abs=1;
-                while( j-- ) {
-                    coeff_abs += coeff_abs + get_cabac_bypass( CC );
-                }
-                coeff_abs+= 14;
-            }
-
-            if( !qmul ) {
-                if( get_cabac_bypass( CC ) ) block[j] = -coeff_abs;
-                else                                block[j] =  coeff_abs;
-            }else{
-                if( get_cabac_bypass( CC ) ) block[j] = (-coeff_abs * qmul[j] + 32) >> 6;
-                else                                block[j] = ( coeff_abs * qmul[j] + 32) >> 6;
-            }
-
-            abslevelgt1++;
-        }
-    }
-#ifdef CABAC_ON_STACK
-            h->cabac.range     = cc.range     ;
-            h->cabac.low       = cc.low       ;
-            h->cabac.bytestream= cc.bytestream;
-#endif
-    return 0;
-}
-
-static inline void compute_mb_neighbors(H264Context *h)
-{
-    MpegEncContext * const s = &h->s;
-    const int mb_xy  = s->mb_x + s->mb_y*s->mb_stride;
-    h->top_mb_xy     = mb_xy - s->mb_stride;
-    h->left_mb_xy[0] = mb_xy - 1;
-    if(FRAME_MBAFF){
-        const int pair_xy          = s->mb_x     + (s->mb_y & ~1)*s->mb_stride;
-        const int top_pair_xy      = pair_xy     - s->mb_stride;
-        const int top_mb_frame_flag      = !IS_INTERLACED(s->current_picture.mb_type[top_pair_xy]);
-        const int left_mb_frame_flag = !IS_INTERLACED(s->current_picture.mb_type[pair_xy-1]);
-        const int curr_mb_frame_flag = !MB_FIELD;
-        const int bottom = (s->mb_y & 1);
-        if (bottom
-                ? !curr_mb_frame_flag // bottom macroblock
-                : (!curr_mb_frame_flag && !top_mb_frame_flag) // top macroblock
-                ) {
-            h->top_mb_xy -= s->mb_stride;
-        }
-        if (left_mb_frame_flag != curr_mb_frame_flag) {
-            h->left_mb_xy[0] = pair_xy - 1;
-        }
-    }
-    return;
-}
-
-/**
- * decodes a macroblock
- * @returns 0 if ok, AC_ERROR / DC_ERROR / MV_ERROR if an error is noticed
- */
-static int decode_mb_cabac(H264Context *h) {
-    MpegEncContext * const s = &h->s;
-    const int mb_xy= s->mb_x + s->mb_y*s->mb_stride;
-    int mb_type, partition_count, cbp = 0;
-    int dct8x8_allowed= h->pps.transform_8x8_mode;
-
-    s->dsp.clear_blocks(h->mb); //FIXME avoid if already clear (move after skip handlong?)
-
-    tprintf(s->avctx, "pic:%d mb:%d/%d\n", h->frame_num, s->mb_x, s->mb_y);
-    if( h->slice_type != I_TYPE && h->slice_type != SI_TYPE ) {
-        int skip;
-        /* a skipped mb needs the aff flag from the following mb */
-        if( FRAME_MBAFF && s->mb_x==0 && (s->mb_y&1)==0 )
-            predict_field_decoding_flag(h);
-        if( FRAME_MBAFF && (s->mb_y&1)==1 && h->prev_mb_skipped )
-            skip = h->next_mb_skipped;
-        else
-            skip = decode_cabac_mb_skip( h, s->mb_x, s->mb_y );
-        /* read skip flags */
-        if( skip ) {
-            if( FRAME_MBAFF && (s->mb_y&1)==0 ){
-                s->current_picture.mb_type[mb_xy] = MB_TYPE_SKIP;
-                h->next_mb_skipped = decode_cabac_mb_skip( h, s->mb_x, s->mb_y+1 );
-                if(h->next_mb_skipped)
-                    predict_field_decoding_flag(h);
-                else
-                    h->mb_mbaff = h->mb_field_decoding_flag = decode_cabac_field_decoding_flag(h);
-            }
-
-            decode_mb_skip(h);
-
-            h->cbp_table[mb_xy] = 0;
-            h->chroma_pred_mode_table[mb_xy] = 0;
-            h->last_qscale_diff = 0;
-
-            return 0;
-
-        }
-    }
-    if(FRAME_MBAFF){
-        if( (s->mb_y&1) == 0 )
-            h->mb_mbaff =
-            h->mb_field_decoding_flag = decode_cabac_field_decoding_flag(h);
-    }else
-        h->mb_field_decoding_flag= (s->picture_structure!=PICT_FRAME);
-
-    h->prev_mb_skipped = 0;
-
-    compute_mb_neighbors(h);
-    if( ( mb_type = decode_cabac_mb_type( h ) ) < 0 ) {
-        av_log( h->s.avctx, AV_LOG_ERROR, "decode_cabac_mb_type failed\n" );
-        return -1;
-    }
-
-    if( h->slice_type == B_TYPE ) {
-        if( mb_type < 23 ){
-            partition_count= b_mb_type_info[mb_type].partition_count;
-            mb_type=         b_mb_type_info[mb_type].type;
-        }else{
-            mb_type -= 23;
-            goto decode_intra_mb;
-        }
-    } else if( h->slice_type == P_TYPE ) {
-        if( mb_type < 5) {
-            partition_count= p_mb_type_info[mb_type].partition_count;
-            mb_type=         p_mb_type_info[mb_type].type;
-        } else {
-            mb_type -= 5;
-            goto decode_intra_mb;
-        }
-    } else {
-       assert(h->slice_type == I_TYPE);
-decode_intra_mb:
-        partition_count = 0;
-        cbp= i_mb_type_info[mb_type].cbp;
-        h->intra16x16_pred_mode= i_mb_type_info[mb_type].pred_mode;
-        mb_type= i_mb_type_info[mb_type].type;
-    }
-    if(MB_FIELD)
-        mb_type |= MB_TYPE_INTERLACED;
-
-    h->slice_table[ mb_xy ]= h->slice_num;
-
-    if(IS_INTRA_PCM(mb_type)) {
-        const uint8_t *ptr;
-        unsigned int x, y;
-
-        // We assume these blocks are very rare so we dont optimize it.
-        // FIXME The two following lines get the bitstream position in the cabac
-        // decode, I think it should be done by a function in cabac.h (or cabac.c).
-        ptr= h->cabac.bytestream;
-        if(h->cabac.low&0x1) ptr--;
-        if(CABAC_BITS==16){
-            if(h->cabac.low&0x1FF) ptr--;
-        }
-
-        // The pixels are stored in the same order as levels in h->mb array.
-        for(y=0; y<16; y++){
-            const int index= 4*(y&3) + 32*((y>>2)&1) + 128*(y>>3);
-            for(x=0; x<16; x++){
-                tprintf(s->avctx, "LUMA ICPM LEVEL (%3d)\n", *ptr);
-                h->mb[index + (x&3) + 16*((x>>2)&1) + 64*(x>>3)]= *ptr++;
-            }
-        }
-        for(y=0; y<8; y++){
-            const int index= 256 + 4*(y&3) + 32*(y>>2);
-            for(x=0; x<8; x++){
-                tprintf(s->avctx, "CHROMA U ICPM LEVEL (%3d)\n", *ptr);
-                h->mb[index + (x&3) + 16*(x>>2)]= *ptr++;
-            }
-        }
-        for(y=0; y<8; y++){
-            const int index= 256 + 64 + 4*(y&3) + 32*(y>>2);
-            for(x=0; x<8; x++){
-                tprintf(s->avctx, "CHROMA V ICPM LEVEL (%3d)\n", *ptr);
-                h->mb[index + (x&3) + 16*(x>>2)]= *ptr++;
-            }
-        }
-
-        ff_init_cabac_decoder(&h->cabac, ptr, h->cabac.bytestream_end - ptr);
-
-        // All blocks are present
-        h->cbp_table[mb_xy] = 0x1ef;
-        h->chroma_pred_mode_table[mb_xy] = 0;
-        // In deblocking, the quantizer is 0
-        s->current_picture.qscale_table[mb_xy]= 0;
-        h->chroma_qp = get_chroma_qp(h->pps.chroma_qp_index_offset, 0);
-        // All coeffs are present
-        memset(h->non_zero_count[mb_xy], 16, 16);
-        s->current_picture.mb_type[mb_xy]= mb_type;
-        return 0;
-    }
-
-    if(MB_MBAFF){
-        h->ref_count[0] <<= 1;
-        h->ref_count[1] <<= 1;
-    }
-
-    fill_caches(h, mb_type, 0);
-
-    if( IS_INTRA( mb_type ) ) {
-        int i, pred_mode;
-        if( IS_INTRA4x4( mb_type ) ) {
-            if( dct8x8_allowed && decode_cabac_mb_transform_size( h ) ) {
-                mb_type |= MB_TYPE_8x8DCT;
-                for( i = 0; i < 16; i+=4 ) {
-                    int pred = pred_intra_mode( h, i );
-                    int mode = decode_cabac_mb_intra4x4_pred_mode( h, pred );
-                    fill_rectangle( &h->intra4x4_pred_mode_cache[ scan8[i] ], 2, 2, 8, mode, 1 );
-                }
-            } else {
-                for( i = 0; i < 16; i++ ) {
-                    int pred = pred_intra_mode( h, i );
-                    h->intra4x4_pred_mode_cache[ scan8[i] ] = decode_cabac_mb_intra4x4_pred_mode( h, pred );
-
-                //av_log( s->avctx, AV_LOG_ERROR, "i4x4 pred=%d mode=%d\n", pred, h->intra4x4_pred_mode_cache[ scan8[i] ] );
-                }
-            }
-            write_back_intra_pred_mode(h);
-            if( check_intra4x4_pred_mode(h) < 0 ) return -1;
-        } else {
-            h->intra16x16_pred_mode= check_intra_pred_mode( h, h->intra16x16_pred_mode );
-            if( h->intra16x16_pred_mode < 0 ) return -1;
-        }
-        h->chroma_pred_mode_table[mb_xy] =
-        pred_mode                        = decode_cabac_mb_chroma_pre_mode( h );
-
-        pred_mode= check_intra_pred_mode( h, pred_mode );
-        if( pred_mode < 0 ) return -1;
-        h->chroma_pred_mode= pred_mode;
-    } else if( partition_count == 4 ) {
-        int i, j, sub_partition_count[4], list, ref[2][4];
-
-        if( h->slice_type == B_TYPE ) {
-            for( i = 0; i < 4; i++ ) {
-                h->sub_mb_type[i] = decode_cabac_b_mb_sub_type( h );
-                sub_partition_count[i]= b_sub_mb_type_info[ h->sub_mb_type[i] ].partition_count;
-                h->sub_mb_type[i]=      b_sub_mb_type_info[ h->sub_mb_type[i] ].type;
-            }
-            if( IS_DIRECT(h->sub_mb_type[0] | h->sub_mb_type[1] |
-                          h->sub_mb_type[2] | h->sub_mb_type[3]) ) {
-                pred_direct_motion(h, &mb_type);
-                if( h->ref_count[0] > 1 || h->ref_count[1] > 1 ) {
-                    for( i = 0; i < 4; i++ )
-                        if( IS_DIRECT(h->sub_mb_type[i]) )
-                            fill_rectangle( &h->direct_cache[scan8[4*i]], 2, 2, 8, 1, 1 );
-                }
-            }
-        } else {
-            for( i = 0; i < 4; i++ ) {
-                h->sub_mb_type[i] = decode_cabac_p_mb_sub_type( h );
-                sub_partition_count[i]= p_sub_mb_type_info[ h->sub_mb_type[i] ].partition_count;
-                h->sub_mb_type[i]=      p_sub_mb_type_info[ h->sub_mb_type[i] ].type;
-            }
-        }
-
-        for( list = 0; list < h->list_count; list++ ) {
-                for( i = 0; i < 4; i++ ) {
-                    if(IS_DIRECT(h->sub_mb_type[i])) continue;
-                    if(IS_DIR(h->sub_mb_type[i], 0, list)){
-                        if( h->ref_count[list] > 1 )
-                            ref[list][i] = decode_cabac_mb_ref( h, list, 4*i );
-                        else
-                            ref[list][i] = 0;
-                    } else {
-                        ref[list][i] = -1;
-                    }
-                                                       h->ref_cache[list][ scan8[4*i]+1 ]=
-                    h->ref_cache[list][ scan8[4*i]+8 ]=h->ref_cache[list][ scan8[4*i]+9 ]= ref[list][i];
-                }
-        }
-
-        if(dct8x8_allowed)
-            dct8x8_allowed = get_dct8x8_allowed(h);
-
-        for(list=0; list<h->list_count; list++){
-            for(i=0; i<4; i++){
-                if(IS_DIRECT(h->sub_mb_type[i])){
-                    fill_rectangle(h->mvd_cache[list][scan8[4*i]], 2, 2, 8, 0, 4);
-                    continue;
-                }
-                h->ref_cache[list][ scan8[4*i]   ]=h->ref_cache[list][ scan8[4*i]+1 ];
-
-                if(IS_DIR(h->sub_mb_type[i], 0, list) && !IS_DIRECT(h->sub_mb_type[i])){
-                    const int sub_mb_type= h->sub_mb_type[i];
-                    const int block_width= (sub_mb_type & (MB_TYPE_16x16|MB_TYPE_16x8)) ? 2 : 1;
-                    for(j=0; j<sub_partition_count[i]; j++){
-                        int mpx, mpy;
-                        int mx, my;
-                        const int index= 4*i + block_width*j;
-                        int16_t (* mv_cache)[2]= &h->mv_cache[list][ scan8[index] ];
-                        int16_t (* mvd_cache)[2]= &h->mvd_cache[list][ scan8[index] ];
-                        pred_motion(h, index, block_width, list, h->ref_cache[list][ scan8[index] ], &mpx, &mpy);
-
-                        mx = mpx + decode_cabac_mb_mvd( h, list, index, 0 );
-                        my = mpy + decode_cabac_mb_mvd( h, list, index, 1 );
-                        tprintf(s->avctx, "final mv:%d %d\n", mx, my);
-
-                        if(IS_SUB_8X8(sub_mb_type)){
-                            mv_cache[ 1 ][0]=
-                            mv_cache[ 8 ][0]= mv_cache[ 9 ][0]= mx;
-                            mv_cache[ 1 ][1]=
-                            mv_cache[ 8 ][1]= mv_cache[ 9 ][1]= my;
-
-                            mvd_cache[ 1 ][0]=
-                            mvd_cache[ 8 ][0]= mvd_cache[ 9 ][0]= mx - mpx;
-                            mvd_cache[ 1 ][1]=
-                            mvd_cache[ 8 ][1]= mvd_cache[ 9 ][1]= my - mpy;
-                        }else if(IS_SUB_8X4(sub_mb_type)){
-                            mv_cache[ 1 ][0]= mx;
-                            mv_cache[ 1 ][1]= my;
-
-                            mvd_cache[ 1 ][0]= mx - mpx;
-                            mvd_cache[ 1 ][1]= my - mpy;
-                        }else if(IS_SUB_4X8(sub_mb_type)){
-                            mv_cache[ 8 ][0]= mx;
-                            mv_cache[ 8 ][1]= my;
-
-                            mvd_cache[ 8 ][0]= mx - mpx;
-                            mvd_cache[ 8 ][1]= my - mpy;
-                        }
-                        mv_cache[ 0 ][0]= mx;
-                        mv_cache[ 0 ][1]= my;
-
-                        mvd_cache[ 0 ][0]= mx - mpx;
-                        mvd_cache[ 0 ][1]= my - mpy;
-                    }
-                }else{
-                    uint32_t *p= (uint32_t *)&h->mv_cache[list][ scan8[4*i] ][0];
-                    uint32_t *pd= (uint32_t *)&h->mvd_cache[list][ scan8[4*i] ][0];
-                    p[0] = p[1] = p[8] = p[9] = 0;
-                    pd[0]= pd[1]= pd[8]= pd[9]= 0;
-                }
-            }
-        }
-    } else if( IS_DIRECT(mb_type) ) {
-        pred_direct_motion(h, &mb_type);
-        fill_rectangle(h->mvd_cache[0][scan8[0]], 4, 4, 8, 0, 4);
-        fill_rectangle(h->mvd_cache[1][scan8[0]], 4, 4, 8, 0, 4);
-        dct8x8_allowed &= h->sps.direct_8x8_inference_flag;
-    } else {
-        int list, mx, my, i, mpx, mpy;
-        if(IS_16X16(mb_type)){
-            for(list=0; list<h->list_count; list++){
-                if(IS_DIR(mb_type, 0, list)){
-                        const int ref = h->ref_count[list] > 1 ? decode_cabac_mb_ref( h, list, 0 ) : 0;
-                        fill_rectangle(&h->ref_cache[list][ scan8[0] ], 4, 4, 8, ref, 1);
-                }else
-                    fill_rectangle(&h->ref_cache[list][ scan8[0] ], 4, 4, 8, (uint8_t)LIST_NOT_USED, 1); //FIXME factorize and the other fill_rect below too
-            }
-            for(list=0; list<h->list_count; list++){
-                if(IS_DIR(mb_type, 0, list)){
-                    pred_motion(h, 0, 4, list, h->ref_cache[list][ scan8[0] ], &mpx, &mpy);
-
-                    mx = mpx + decode_cabac_mb_mvd( h, list, 0, 0 );
-                    my = mpy + decode_cabac_mb_mvd( h, list, 0, 1 );
-                    tprintf(s->avctx, "final mv:%d %d\n", mx, my);
-
-                    fill_rectangle(h->mvd_cache[list][ scan8[0] ], 4, 4, 8, pack16to32(mx-mpx,my-mpy), 4);
-                    fill_rectangle(h->mv_cache[list][ scan8[0] ], 4, 4, 8, pack16to32(mx,my), 4);
-                }else
-                    fill_rectangle(h->mv_cache[list][ scan8[0] ], 4, 4, 8, 0, 4);
-            }
-        }
-        else if(IS_16X8(mb_type)){
-            for(list=0; list<h->list_count; list++){
-                    for(i=0; i<2; i++){
-                        if(IS_DIR(mb_type, i, list)){
-                            const int ref= h->ref_count[list] > 1 ? decode_cabac_mb_ref( h, list, 8*i ) : 0;
-                            fill_rectangle(&h->ref_cache[list][ scan8[0] + 16*i ], 4, 2, 8, ref, 1);
-                        }else
-                            fill_rectangle(&h->ref_cache[list][ scan8[0] + 16*i ], 4, 2, 8, (LIST_NOT_USED&0xFF), 1);
-                    }
-            }
-            for(list=0; list<h->list_count; list++){
-                for(i=0; i<2; i++){
-                    if(IS_DIR(mb_type, i, list)){
-                        pred_16x8_motion(h, 8*i, list, h->ref_cache[list][scan8[0] + 16*i], &mpx, &mpy);
-                        mx = mpx + decode_cabac_mb_mvd( h, list, 8*i, 0 );
-                        my = mpy + decode_cabac_mb_mvd( h, list, 8*i, 1 );
-                        tprintf(s->avctx, "final mv:%d %d\n", mx, my);
-
-                        fill_rectangle(h->mvd_cache[list][ scan8[0] + 16*i ], 4, 2, 8, pack16to32(mx-mpx,my-mpy), 4);
-                        fill_rectangle(h->mv_cache[list][ scan8[0] + 16*i ], 4, 2, 8, pack16to32(mx,my), 4);
-                    }else{
-                        fill_rectangle(h->mvd_cache[list][ scan8[0] + 16*i ], 4, 2, 8, 0, 4);
-                        fill_rectangle(h-> mv_cache[list][ scan8[0] + 16*i ], 4, 2, 8, 0, 4);
-                    }
-                }
-            }
-        }else{
-            assert(IS_8X16(mb_type));
-            for(list=0; list<h->list_count; list++){
-                    for(i=0; i<2; i++){
-                        if(IS_DIR(mb_type, i, list)){ //FIXME optimize
-                            const int ref= h->ref_count[list] > 1 ? decode_cabac_mb_ref( h, list, 4*i ) : 0;
-                            fill_rectangle(&h->ref_cache[list][ scan8[0] + 2*i ], 2, 4, 8, ref, 1);
-                        }else
-                            fill_rectangle(&h->ref_cache[list][ scan8[0] + 2*i ], 2, 4, 8, (LIST_NOT_USED&0xFF), 1);
-                    }
-            }
-            for(list=0; list<h->list_count; list++){
-                for(i=0; i<2; i++){
-                    if(IS_DIR(mb_type, i, list)){
-                        pred_8x16_motion(h, i*4, list, h->ref_cache[list][ scan8[0] + 2*i ], &mpx, &mpy);
-                        mx = mpx + decode_cabac_mb_mvd( h, list, 4*i, 0 );
-                        my = mpy + decode_cabac_mb_mvd( h, list, 4*i, 1 );
-
-                        tprintf(s->avctx, "final mv:%d %d\n", mx, my);
-                        fill_rectangle(h->mvd_cache[list][ scan8[0] + 2*i ], 2, 4, 8, pack16to32(mx-mpx,my-mpy), 4);
-                        fill_rectangle(h->mv_cache[list][ scan8[0] + 2*i ], 2, 4, 8, pack16to32(mx,my), 4);
-                    }else{
-                        fill_rectangle(h->mvd_cache[list][ scan8[0] + 2*i ], 2, 4, 8, 0, 4);
-                        fill_rectangle(h-> mv_cache[list][ scan8[0] + 2*i ], 2, 4, 8, 0, 4);
-                    }
-                }
-            }
-        }
-    }
-
-   if( IS_INTER( mb_type ) ) {
-        h->chroma_pred_mode_table[mb_xy] = 0;
-        write_back_motion( h, mb_type );
-   }
-
-    if( !IS_INTRA16x16( mb_type ) ) {
-        cbp  = decode_cabac_mb_cbp_luma( h );
-        cbp |= decode_cabac_mb_cbp_chroma( h ) << 4;
-    }
-
-    h->cbp_table[mb_xy] = h->cbp = cbp;
-
-    if( dct8x8_allowed && (cbp&15) && !IS_INTRA( mb_type ) ) {
-        if( decode_cabac_mb_transform_size( h ) )
-            mb_type |= MB_TYPE_8x8DCT;
-    }
-    s->current_picture.mb_type[mb_xy]= mb_type;
-
-    if( cbp || IS_INTRA16x16( mb_type ) ) {
-        const uint8_t *scan, *scan8x8, *dc_scan;
-        int dqp;
-
-        if(IS_INTERLACED(mb_type)){
-            scan8x8= s->qscale ? h->field_scan8x8 : h->field_scan8x8_q0;
-            scan= s->qscale ? h->field_scan : h->field_scan_q0;
-            dc_scan= luma_dc_field_scan;
-        }else{
-            scan8x8= s->qscale ? h->zigzag_scan8x8 : h->zigzag_scan8x8_q0;
-            scan= s->qscale ? h->zigzag_scan : h->zigzag_scan_q0;
-            dc_scan= luma_dc_zigzag_scan;
-        }
-
-        h->last_qscale_diff = dqp = decode_cabac_mb_dqp( h );
-        if( dqp == INT_MIN ){
-            av_log(h->s.avctx, AV_LOG_ERROR, "cabac decode of qscale diff failed at %d %d\n", s->mb_x, s->mb_y);
-            return -1;
-        }
-        s->qscale += dqp;
-        if(((unsigned)s->qscale) > 51){
-            if(s->qscale<0) s->qscale+= 52;
-            else            s->qscale-= 52;
-        }
-        h->chroma_qp = get_chroma_qp(h->pps.chroma_qp_index_offset, s->qscale);
-
-        if( IS_INTRA16x16( mb_type ) ) {
-            int i;
-            //av_log( s->avctx, AV_LOG_ERROR, "INTRA16x16 DC\n" );
-            if( decode_cabac_residual( h, h->mb, 0, 0, dc_scan, NULL, 16) < 0)
-                return -1;
-            if( cbp&15 ) {
-                for( i = 0; i < 16; i++ ) {
-                    //av_log( s->avctx, AV_LOG_ERROR, "INTRA16x16 AC:%d\n", i );
-                    if( decode_cabac_residual(h, h->mb + 16*i, 1, i, scan + 1, h->dequant4_coeff[0][s->qscale], 15) < 0 )
-                        return -1;
-                }
-            } else {
-                fill_rectangle(&h->non_zero_count_cache[scan8[0]], 4, 4, 8, 0, 1);
-            }
-        } else {
-            int i8x8, i4x4;
-            for( i8x8 = 0; i8x8 < 4; i8x8++ ) {
-                if( cbp & (1<<i8x8) ) {
-                    if( IS_8x8DCT(mb_type) ) {
-                        if( decode_cabac_residual(h, h->mb + 64*i8x8, 5, 4*i8x8,
-                            scan8x8, h->dequant8_coeff[IS_INTRA( mb_type ) ? 0:1][s->qscale], 64) < 0 )
-                            return -1;
-                    } else
-                    for( i4x4 = 0; i4x4 < 4; i4x4++ ) {
-                        const int index = 4*i8x8 + i4x4;
-                        //av_log( s->avctx, AV_LOG_ERROR, "Luma4x4: %d\n", index );
-//START_TIMER
-                        if( decode_cabac_residual(h, h->mb + 16*index, 2, index, scan, h->dequant4_coeff[IS_INTRA( mb_type ) ? 0:3][s->qscale], 16) < 0 )
-                            return -1;
-//STOP_TIMER("decode_residual")
-                    }
-                } else {
-                    uint8_t * const nnz= &h->non_zero_count_cache[ scan8[4*i8x8] ];
-                    nnz[0] = nnz[1] = nnz[8] = nnz[9] = 0;
-                }
-            }
-        }
-
-        if( cbp&0x30 ){
-            int c;
-            for( c = 0; c < 2; c++ ) {
-                //av_log( s->avctx, AV_LOG_ERROR, "INTRA C%d-DC\n",c );
-                if( decode_cabac_residual(h, h->mb + 256 + 16*4*c, 3, c, chroma_dc_scan, NULL, 4) < 0)
-                    return -1;
-            }
-        }
-
-        if( cbp&0x20 ) {
-            int c, i;
-            for( c = 0; c < 2; c++ ) {
-                for( i = 0; i < 4; i++ ) {
-                    const int index = 16 + 4 * c + i;
-                    //av_log( s->avctx, AV_LOG_ERROR, "INTRA C%d-AC %d\n",c, index - 16 );
-                    if( decode_cabac_residual(h, h->mb + 16*index, 4, index - 16, scan + 1, h->dequant4_coeff[c+1+(IS_INTRA( mb_type ) ? 0:3)][h->chroma_qp], 15) < 0)
-                        return -1;
-                }
-            }
-        } else {
-            uint8_t * const nnz= &h->non_zero_count_cache[0];
-            nnz[ scan8[16]+0 ] = nnz[ scan8[16]+1 ] =nnz[ scan8[16]+8 ] =nnz[ scan8[16]+9 ] =
-            nnz[ scan8[20]+0 ] = nnz[ scan8[20]+1 ] =nnz[ scan8[20]+8 ] =nnz[ scan8[20]+9 ] = 0;
-        }
-    } else {
-        uint8_t * const nnz= &h->non_zero_count_cache[0];
-        fill_rectangle(&nnz[scan8[0]], 4, 4, 8, 0, 1);
-        nnz[ scan8[16]+0 ] = nnz[ scan8[16]+1 ] =nnz[ scan8[16]+8 ] =nnz[ scan8[16]+9 ] =
-        nnz[ scan8[20]+0 ] = nnz[ scan8[20]+1 ] =nnz[ scan8[20]+8 ] =nnz[ scan8[20]+9 ] = 0;
-        h->last_qscale_diff = 0;
-    }
-
-    s->current_picture.qscale_table[mb_xy]= s->qscale;
-    write_back_non_zero_count(h);
-
-    if(MB_MBAFF){
-        h->ref_count[0] >>= 1;
-        h->ref_count[1] >>= 1;
-    }
-
-    return 0;
-}
-
-
-static void filter_mb_edgev( H264Context *h, uint8_t *pix, int stride, int16_t bS[4], int qp ) {
-    int i, d;
-    const int index_a = qp + h->slice_alpha_c0_offset;
-    const int alpha = (alpha_table+52)[index_a];
-    const int beta  = (beta_table+52)[qp + h->slice_beta_offset];
-
-    if( bS[0] < 4 ) {
-        int8_t tc[4];
-        for(i=0; i<4; i++)
-            tc[i] = bS[i] ? (tc0_table+52)[index_a][bS[i] - 1] : -1;
-        h->s.dsp.h264_h_loop_filter_luma(pix, stride, alpha, beta, tc);
-    } else {
-        /* 16px edge length, because bS=4 is triggered by being at
-         * the edge of an intra MB, so all 4 bS are the same */
-            for( d = 0; d < 16; d++ ) {
-                const int p0 = pix[-1];
-                const int p1 = pix[-2];
-                const int p2 = pix[-3];
-
-                const int q0 = pix[0];
-                const int q1 = pix[1];
-                const int q2 = pix[2];
-
-                if( FFABS( p0 - q0 ) < alpha &&
-                    FFABS( p1 - p0 ) < beta &&
-                    FFABS( q1 - q0 ) < beta ) {
-
-                    if(FFABS( p0 - q0 ) < (( alpha >> 2 ) + 2 )){
-                        if( FFABS( p2 - p0 ) < beta)
-                        {
-                            const int p3 = pix[-4];
-                            /* p0', p1', p2' */
-                            pix[-1] = ( p2 + 2*p1 + 2*p0 + 2*q0 + q1 + 4 ) >> 3;
-                            pix[-2] = ( p2 + p1 + p0 + q0 + 2 ) >> 2;
-                            pix[-3] = ( 2*p3 + 3*p2 + p1 + p0 + q0 + 4 ) >> 3;
-                        } else {
-                            /* p0' */
-                            pix[-1] = ( 2*p1 + p0 + q1 + 2 ) >> 2;
-                        }
-                        if( FFABS( q2 - q0 ) < beta)
-                        {
-                            const int q3 = pix[3];
-                            /* q0', q1', q2' */
-                            pix[0] = ( p1 + 2*p0 + 2*q0 + 2*q1 + q2 + 4 ) >> 3;
-                            pix[1] = ( p0 + q0 + q1 + q2 + 2 ) >> 2;
-                            pix[2] = ( 2*q3 + 3*q2 + q1 + q0 + p0 + 4 ) >> 3;
-                        } else {
-                            /* q0' */
-                            pix[0] = ( 2*q1 + q0 + p1 + 2 ) >> 2;
-                        }
-                    }else{
-                        /* p0', q0' */
-                        pix[-1] = ( 2*p1 + p0 + q1 + 2 ) >> 2;
-                        pix[ 0] = ( 2*q1 + q0 + p1 + 2 ) >> 2;
-                    }
-                    tprintf(h->s.avctx, "filter_mb_edgev i:%d d:%d\n# bS:4 -> [%02x, %02x, %02x, %02x, %02x, %02x] =>[%02x, %02x, %02x, %02x]\n", i, d, p2, p1, p0, q0, q1, q2, pix[-2], pix[-1], pix[0], pix[1]);
-                }
-                pix += stride;
-            }
-    }
-}
-static void filter_mb_edgecv( H264Context *h, uint8_t *pix, int stride, int16_t bS[4], int qp ) {
-    int i;
-    const int index_a = qp + h->slice_alpha_c0_offset;
-    const int alpha = (alpha_table+52)[index_a];
-    const int beta  = (beta_table+52)[qp + h->slice_beta_offset];
-
-    if( bS[0] < 4 ) {
-        int8_t tc[4];
-        for(i=0; i<4; i++)
-            tc[i] = bS[i] ? (tc0_table+52)[index_a][bS[i] - 1] + 1 : 0;
-        h->s.dsp.h264_h_loop_filter_chroma(pix, stride, alpha, beta, tc);
-    } else {
-        h->s.dsp.h264_h_loop_filter_chroma_intra(pix, stride, alpha, beta);
-    }
-}
-
-static void filter_mb_mbaff_edgev( H264Context *h, uint8_t *pix, int stride, int16_t bS[8], int qp[2] ) {
-    int i;
-    for( i = 0; i < 16; i++, pix += stride) {
-        int index_a;
-        int alpha;
-        int beta;
-
-        int qp_index;
-        int bS_index = (i >> 1);
-        if (!MB_FIELD) {
-            bS_index &= ~1;
-            bS_index |= (i & 1);
-        }
-
-        if( bS[bS_index] == 0 ) {
-            continue;
-        }
-
-        qp_index = MB_FIELD ? (i >> 3) : (i & 1);
-        index_a = qp[qp_index] + h->slice_alpha_c0_offset;
-        alpha = (alpha_table+52)[index_a];
-        beta  = (beta_table+52)[qp[qp_index] + h->slice_beta_offset];
-
-        if( bS[bS_index] < 4 ) {
-            const int tc0 = (tc0_table+52)[index_a][bS[bS_index] - 1];
-            const int p0 = pix[-1];
-            const int p1 = pix[-2];
-            const int p2 = pix[-3];
-            const int q0 = pix[0];
-            const int q1 = pix[1];
-            const int q2 = pix[2];
-
-            if( FFABS( p0 - q0 ) < alpha &&
-                FFABS( p1 - p0 ) < beta &&
-                FFABS( q1 - q0 ) < beta ) {
-                int tc = tc0;
-                int i_delta;
-
-                if( FFABS( p2 - p0 ) < beta ) {
-                    pix[-2] = p1 + av_clip( ( p2 + ( ( p0 + q0 + 1 ) >> 1 ) - ( p1 << 1 ) ) >> 1, -tc0, tc0 );
-                    tc++;
-                }
-                if( FFABS( q2 - q0 ) < beta ) {
-                    pix[1] = q1 + av_clip( ( q2 + ( ( p0 + q0 + 1 ) >> 1 ) - ( q1 << 1 ) ) >> 1, -tc0, tc0 );
-                    tc++;
-                }
-
-                i_delta = av_clip( (((q0 - p0 ) << 2) + (p1 - q1) + 4) >> 3, -tc, tc );
-                pix[-1] = av_clip_uint8( p0 + i_delta );    /* p0' */
-                pix[0]  = av_clip_uint8( q0 - i_delta );    /* q0' */
-                tprintf(h->s.avctx, "filter_mb_mbaff_edgev i:%d, qp:%d, indexA:%d, alpha:%d, beta:%d, tc:%d\n# bS:%d -> [%02x, %02x, %02x, %02x, %02x, %02x] =>[%02x, %02x, %02x, %02x]\n", i, qp[qp_index], index_a, alpha, beta, tc, bS[bS_index], pix[-3], p1, p0, q0, q1, pix[2], p1, pix[-1], pix[0], q1);
-            }
-        }else{
-            const int p0 = pix[-1];
-            const int p1 = pix[-2];
-            const int p2 = pix[-3];
-
-            const int q0 = pix[0];
-            const int q1 = pix[1];
-            const int q2 = pix[2];
-
-            if( FFABS( p0 - q0 ) < alpha &&
-                FFABS( p1 - p0 ) < beta &&
-                FFABS( q1 - q0 ) < beta ) {
-
-                if(FFABS( p0 - q0 ) < (( alpha >> 2 ) + 2 )){
-                    if( FFABS( p2 - p0 ) < beta)
-                    {
-                        const int p3 = pix[-4];
-                        /* p0', p1', p2' */
-                        pix[-1] = ( p2 + 2*p1 + 2*p0 + 2*q0 + q1 + 4 ) >> 3;
-                        pix[-2] = ( p2 + p1 + p0 + q0 + 2 ) >> 2;
-                        pix[-3] = ( 2*p3 + 3*p2 + p1 + p0 + q0 + 4 ) >> 3;
-                    } else {
-                        /* p0' */
-                        pix[-1] = ( 2*p1 + p0 + q1 + 2 ) >> 2;
-                    }
-                    if( FFABS( q2 - q0 ) < beta)
-                    {
-                        const int q3 = pix[3];
-                        /* q0', q1', q2' */
-                        pix[0] = ( p1 + 2*p0 + 2*q0 + 2*q1 + q2 + 4 ) >> 3;
-                        pix[1] = ( p0 + q0 + q1 + q2 + 2 ) >> 2;
-                        pix[2] = ( 2*q3 + 3*q2 + q1 + q0 + p0 + 4 ) >> 3;
-                    } else {
-                        /* q0' */
-                        pix[0] = ( 2*q1 + q0 + p1 + 2 ) >> 2;
-                    }
-                }else{
-                    /* p0', q0' */
-                    pix[-1] = ( 2*p1 + p0 + q1 + 2 ) >> 2;
-                    pix[ 0] = ( 2*q1 + q0 + p1 + 2 ) >> 2;
-                }
-                tprintf(h->s.avctx, "filter_mb_mbaff_edgev i:%d, qp:%d, indexA:%d, alpha:%d, beta:%d\n# bS:4 -> [%02x, %02x, %02x, %02x, %02x, %02x] =>[%02x, %02x, %02x, %02x, %02x, %02x]\n", i, qp[qp_index], index_a, alpha, beta, p2, p1, p0, q0, q1, q2, pix[-3], pix[-2], pix[-1], pix[0], pix[1], pix[2]);
-            }
-        }
-    }
-}
-static void filter_mb_mbaff_edgecv( H264Context *h, uint8_t *pix, int stride, int16_t bS[8], int qp[2] ) {
-    int i;
-    for( i = 0; i < 8; i++, pix += stride) {
-        int index_a;
-        int alpha;
-        int beta;
-
-        int qp_index;
-        int bS_index = i;
-
-        if( bS[bS_index] == 0 ) {
-            continue;
-        }
-
-        qp_index = MB_FIELD ? (i >> 2) : (i & 1);
-        index_a = qp[qp_index] + h->slice_alpha_c0_offset;
-        alpha = (alpha_table+52)[index_a];
-        beta  = (beta_table+52)[qp[qp_index] + h->slice_beta_offset];
-
-        if( bS[bS_index] < 4 ) {
-            const int tc = (tc0_table+52)[index_a][bS[bS_index] - 1] + 1;
-            const int p0 = pix[-1];
-            const int p1 = pix[-2];
-            const int q0 = pix[0];
-            const int q1 = pix[1];
-
-            if( FFABS( p0 - q0 ) < alpha &&
-                FFABS( p1 - p0 ) < beta &&
-                FFABS( q1 - q0 ) < beta ) {
-                const int i_delta = av_clip( (((q0 - p0 ) << 2) + (p1 - q1) + 4) >> 3, -tc, tc );
-
-                pix[-1] = av_clip_uint8( p0 + i_delta );    /* p0' */
-                pix[0]  = av_clip_uint8( q0 - i_delta );    /* q0' */
-                tprintf(h->s.avctx, "filter_mb_mbaff_edgecv i:%d, qp:%d, indexA:%d, alpha:%d, beta:%d, tc:%d\n# bS:%d -> [%02x, %02x, %02x, %02x, %02x, %02x] =>[%02x, %02x, %02x, %02x]\n", i, qp[qp_index], index_a, alpha, beta, tc, bS[bS_index], pix[-3], p1, p0, q0, q1, pix[2], p1, pix[-1], pix[0], q1);
-            }
-        }else{
-            const int p0 = pix[-1];
-            const int p1 = pix[-2];
-            const int q0 = pix[0];
-            const int q1 = pix[1];
-
-            if( FFABS( p0 - q0 ) < alpha &&
-                FFABS( p1 - p0 ) < beta &&
-                FFABS( q1 - q0 ) < beta ) {
-
-                pix[-1] = ( 2*p1 + p0 + q1 + 2 ) >> 2;   /* p0' */
-                pix[0]  = ( 2*q1 + q0 + p1 + 2 ) >> 2;   /* q0' */
-                tprintf(h->s.avctx, "filter_mb_mbaff_edgecv i:%d\n# bS:4 -> [%02x, %02x, %02x, %02x, %02x, %02x] =>[%02x, %02x, %02x, %02x, %02x, %02x]\n", i, pix[-3], p1, p0, q0, q1, pix[2], pix[-3], pix[-2], pix[-1], pix[0], pix[1], pix[2]);
-            }
-        }
-    }
-}
-
-static void filter_mb_edgeh( H264Context *h, uint8_t *pix, int stride, int16_t bS[4], int qp ) {
-    int i, d;
-    const int index_a = qp + h->slice_alpha_c0_offset;
-    const int alpha = (alpha_table+52)[index_a];
-    const int beta  = (beta_table+52)[qp + h->slice_beta_offset];
-    const int pix_next  = stride;
-
-    if( bS[0] < 4 ) {
-        int8_t tc[4];
-        for(i=0; i<4; i++)
-            tc[i] = bS[i] ? (tc0_table+52)[index_a][bS[i] - 1] : -1;
-        h->s.dsp.h264_v_loop_filter_luma(pix, stride, alpha, beta, tc);
-    } else {
-        /* 16px edge length, see filter_mb_edgev */
-            for( d = 0; d < 16; d++ ) {
-                const int p0 = pix[-1*pix_next];
-                const int p1 = pix[-2*pix_next];
-                const int p2 = pix[-3*pix_next];
-                const int q0 = pix[0];
-                const int q1 = pix[1*pix_next];
-                const int q2 = pix[2*pix_next];
-
-                if( FFABS( p0 - q0 ) < alpha &&
-                    FFABS( p1 - p0 ) < beta &&
-                    FFABS( q1 - q0 ) < beta ) {
-
-                    const int p3 = pix[-4*pix_next];
-                    const int q3 = pix[ 3*pix_next];
-
-                    if(FFABS( p0 - q0 ) < (( alpha >> 2 ) + 2 )){
-                        if( FFABS( p2 - p0 ) < beta) {
-                            /* p0', p1', p2' */
-                            pix[-1*pix_next] = ( p2 + 2*p1 + 2*p0 + 2*q0 + q1 + 4 ) >> 3;
-                            pix[-2*pix_next] = ( p2 + p1 + p0 + q0 + 2 ) >> 2;
-                            pix[-3*pix_next] = ( 2*p3 + 3*p2 + p1 + p0 + q0 + 4 ) >> 3;
-                        } else {
-                            /* p0' */
-                            pix[-1*pix_next] = ( 2*p1 + p0 + q1 + 2 ) >> 2;
-                        }
-                        if( FFABS( q2 - q0 ) < beta) {
-                            /* q0', q1', q2' */
-                            pix[0*pix_next] = ( p1 + 2*p0 + 2*q0 + 2*q1 + q2 + 4 ) >> 3;
-                            pix[1*pix_next] = ( p0 + q0 + q1 + q2 + 2 ) >> 2;
-                            pix[2*pix_next] = ( 2*q3 + 3*q2 + q1 + q0 + p0 + 4 ) >> 3;
-                        } else {
-                            /* q0' */
-                            pix[0*pix_next] = ( 2*q1 + q0 + p1 + 2 ) >> 2;
-                        }
-                    }else{
-                        /* p0', q0' */
-                        pix[-1*pix_next] = ( 2*p1 + p0 + q1 + 2 ) >> 2;
-                        pix[ 0*pix_next] = ( 2*q1 + q0 + p1 + 2 ) >> 2;
-                    }
-                    tprintf(h->s.avctx, "filter_mb_edgeh i:%d d:%d, qp:%d, indexA:%d, alpha:%d, beta:%d\n# bS:%d -> [%02x, %02x, %02x, %02x, %02x, %02x] =>[%02x, %02x, %02x, %02x]\n", i, d, qp, index_a, alpha, beta, bS[i], p2, p1, p0, q0, q1, q2, pix[-2*pix_next], pix[-pix_next], pix[0], pix[pix_next]);
-                }
-                pix++;
-            }
-    }
-}
-
-static void filter_mb_edgech( H264Context *h, uint8_t *pix, int stride, int16_t bS[4], int qp ) {
-    int i;
-    const int index_a = qp + h->slice_alpha_c0_offset;
-    const int alpha = (alpha_table+52)[index_a];
-    const int beta  = (beta_table+52)[qp + h->slice_beta_offset];
-
-    if( bS[0] < 4 ) {
-        int8_t tc[4];
-        for(i=0; i<4; i++)
-            tc[i] = bS[i] ? (tc0_table+52)[index_a][bS[i] - 1] + 1 : 0;
-        h->s.dsp.h264_v_loop_filter_chroma(pix, stride, alpha, beta, tc);
-    } else {
-        h->s.dsp.h264_v_loop_filter_chroma_intra(pix, stride, alpha, beta);
-    }
-}
-
-static void filter_mb_fast( H264Context *h, int mb_x, int mb_y, uint8_t *img_y, uint8_t *img_cb, uint8_t *img_cr, unsigned int linesize, unsigned int uvlinesize) {
-    MpegEncContext * const s = &h->s;
-    int mb_xy, mb_type;
-    int qp, qp0, qp1, qpc, qpc0, qpc1, qp_thresh;
-
-    if(mb_x==0 || mb_y==0 || !s->dsp.h264_loop_filter_strength) {
-        filter_mb(h, mb_x, mb_y, img_y, img_cb, img_cr, linesize, uvlinesize);
-        return;
-    }
-    assert(!FRAME_MBAFF);
-
-    mb_xy = mb_x + mb_y*s->mb_stride;
-    mb_type = s->current_picture.mb_type[mb_xy];
-    qp = s->current_picture.qscale_table[mb_xy];
-    qp0 = s->current_picture.qscale_table[mb_xy-1];
-    qp1 = s->current_picture.qscale_table[h->top_mb_xy];
-    qpc = get_chroma_qp( h->pps.chroma_qp_index_offset, qp );
-    qpc0 = get_chroma_qp( h->pps.chroma_qp_index_offset, qp0 );
-    qpc1 = get_chroma_qp( h->pps.chroma_qp_index_offset, qp1 );
-    qp0 = (qp + qp0 + 1) >> 1;
-    qp1 = (qp + qp1 + 1) >> 1;
-    qpc0 = (qpc + qpc0 + 1) >> 1;
-    qpc1 = (qpc + qpc1 + 1) >> 1;
-    qp_thresh = 15 - h->slice_alpha_c0_offset;
-    if(qp <= qp_thresh && qp0 <= qp_thresh && qp1 <= qp_thresh &&
-       qpc <= qp_thresh && qpc0 <= qp_thresh && qpc1 <= qp_thresh)
-        return;
-
-    if( IS_INTRA(mb_type) ) {
-        int16_t bS4[4] = {4,4,4,4};
-        int16_t bS3[4] = {3,3,3,3};
-        if( IS_8x8DCT(mb_type) ) {
-            filter_mb_edgev( h, &img_y[4*0], linesize, bS4, qp0 );
-            filter_mb_edgev( h, &img_y[4*2], linesize, bS3, qp );
-            filter_mb_edgeh( h, &img_y[4*0*linesize], linesize, bS4, qp1 );
-            filter_mb_edgeh( h, &img_y[4*2*linesize], linesize, bS3, qp );
-        } else {
-            filter_mb_edgev( h, &img_y[4*0], linesize, bS4, qp0 );
-            filter_mb_edgev( h, &img_y[4*1], linesize, bS3, qp );
-            filter_mb_edgev( h, &img_y[4*2], linesize, bS3, qp );
-            filter_mb_edgev( h, &img_y[4*3], linesize, bS3, qp );
-            filter_mb_edgeh( h, &img_y[4*0*linesize], linesize, bS4, qp1 );
-            filter_mb_edgeh( h, &img_y[4*1*linesize], linesize, bS3, qp );
-            filter_mb_edgeh( h, &img_y[4*2*linesize], linesize, bS3, qp );
-            filter_mb_edgeh( h, &img_y[4*3*linesize], linesize, bS3, qp );
-        }
-        filter_mb_edgecv( h, &img_cb[2*0], uvlinesize, bS4, qpc0 );
-        filter_mb_edgecv( h, &img_cb[2*2], uvlinesize, bS3, qpc );
-        filter_mb_edgecv( h, &img_cr[2*0], uvlinesize, bS4, qpc0 );
-        filter_mb_edgecv( h, &img_cr[2*2], uvlinesize, bS3, qpc );
-        filter_mb_edgech( h, &img_cb[2*0*uvlinesize], uvlinesize, bS4, qpc1 );
-        filter_mb_edgech( h, &img_cb[2*2*uvlinesize], uvlinesize, bS3, qpc );
-        filter_mb_edgech( h, &img_cr[2*0*uvlinesize], uvlinesize, bS4, qpc1 );
-        filter_mb_edgech( h, &img_cr[2*2*uvlinesize], uvlinesize, bS3, qpc );
-        return;
-    } else {
-        DECLARE_ALIGNED_8(int16_t, bS[2][4][4]);
-        uint64_t (*bSv)[4] = (uint64_t(*)[4])bS;
-        int edges;
-        if( IS_8x8DCT(mb_type) && (h->cbp&7) == 7 ) {
-            edges = 4;
-            bSv[0][0] = bSv[0][2] = bSv[1][0] = bSv[1][2] = 0x0002000200020002ULL;
-        } else {
-            int mask_edge1 = (mb_type & (MB_TYPE_16x16 | MB_TYPE_8x16)) ? 3 :
-                             (mb_type & MB_TYPE_16x8) ? 1 : 0;
-            int mask_edge0 = (mb_type & (MB_TYPE_16x16 | MB_TYPE_8x16))
-                             && (s->current_picture.mb_type[mb_xy-1] & (MB_TYPE_16x16 | MB_TYPE_8x16))
-                             ? 3 : 0;
-            int step = IS_8x8DCT(mb_type) ? 2 : 1;
-            edges = (mb_type & MB_TYPE_16x16) && !(h->cbp & 15) ? 1 : 4;
-            s->dsp.h264_loop_filter_strength( bS, h->non_zero_count_cache, h->ref_cache, h->mv_cache,
-                                              (h->slice_type == B_TYPE), edges, step, mask_edge0, mask_edge1 );
-        }
-        if( IS_INTRA(s->current_picture.mb_type[mb_xy-1]) )
-            bSv[0][0] = 0x0004000400040004ULL;
-        if( IS_INTRA(s->current_picture.mb_type[h->top_mb_xy]) )
-            bSv[1][0] = 0x0004000400040004ULL;
-
-#define FILTER(hv,dir,edge)\
-        if(bSv[dir][edge]) {\
-            filter_mb_edge##hv( h, &img_y[4*edge*(dir?linesize:1)], linesize, bS[dir][edge], edge ? qp : qp##dir );\
-            if(!(edge&1)) {\
-                filter_mb_edgec##hv( h, &img_cb[2*edge*(dir?uvlinesize:1)], uvlinesize, bS[dir][edge], edge ? qpc : qpc##dir );\
-                filter_mb_edgec##hv( h, &img_cr[2*edge*(dir?uvlinesize:1)], uvlinesize, bS[dir][edge], edge ? qpc : qpc##dir );\
-            }\
-        }
-        if( edges == 1 ) {
-            FILTER(v,0,0);
-            FILTER(h,1,0);
-        } else if( IS_8x8DCT(mb_type) ) {
-            FILTER(v,0,0);
-            FILTER(v,0,2);
-            FILTER(h,1,0);
-            FILTER(h,1,2);
-        } else {
-            FILTER(v,0,0);
-            FILTER(v,0,1);
-            FILTER(v,0,2);
-            FILTER(v,0,3);
-            FILTER(h,1,0);
-            FILTER(h,1,1);
-            FILTER(h,1,2);
-            FILTER(h,1,3);
-        }
-#undef FILTER
-    }
-}
-
-static void filter_mb( H264Context *h, int mb_x, int mb_y, uint8_t *img_y, uint8_t *img_cb, uint8_t *img_cr, unsigned int linesize, unsigned int uvlinesize) {
-    MpegEncContext * const s = &h->s;
-    const int mb_xy= mb_x + mb_y*s->mb_stride;
-    const int mb_type = s->current_picture.mb_type[mb_xy];
-    const int mvy_limit = IS_INTERLACED(mb_type) ? 2 : 4;
-    int first_vertical_edge_done = 0;
-    int dir;
-    /* FIXME: A given frame may occupy more than one position in
-     * the reference list. So ref2frm should be populated with
-     * frame numbers, not indices. */
-    static const int ref2frm[34] = {-1,-1,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
-                                    16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31};
-
-    //for sufficiently low qp, filtering wouldn't do anything
-    //this is a conservative estimate: could also check beta_offset and more accurate chroma_qp
-    if(!FRAME_MBAFF){
-        int qp_thresh = 15 - h->slice_alpha_c0_offset - FFMAX(0, h->pps.chroma_qp_index_offset);
-        int qp = s->current_picture.qscale_table[mb_xy];
-        if(qp <= qp_thresh
-           && (mb_x == 0 || ((qp + s->current_picture.qscale_table[mb_xy-1] + 1)>>1) <= qp_thresh)
-           && (mb_y == 0 || ((qp + s->current_picture.qscale_table[h->top_mb_xy] + 1)>>1) <= qp_thresh)){
-            return;
-        }
-    }
-
-    if (FRAME_MBAFF
-            // left mb is in picture
-            && h->slice_table[mb_xy-1] != 255
-            // and current and left pair do not have the same interlaced type
-            && (IS_INTERLACED(mb_type) != IS_INTERLACED(s->current_picture.mb_type[mb_xy-1]))
-            // and left mb is in the same slice if deblocking_filter == 2
-            && (h->deblocking_filter!=2 || h->slice_table[mb_xy-1] == h->slice_table[mb_xy])) {
-        /* First vertical edge is different in MBAFF frames
-         * There are 8 different bS to compute and 2 different Qp
-         */
-        const int pair_xy = mb_x + (mb_y&~1)*s->mb_stride;
-        const int left_mb_xy[2] = { pair_xy-1, pair_xy-1+s->mb_stride };
-        int16_t bS[8];
-        int qp[2];
-        int chroma_qp[2];
-        int mb_qp, mbn0_qp, mbn1_qp;
-        int i;
-        first_vertical_edge_done = 1;
-
-        if( IS_INTRA(mb_type) )
-            bS[0] = bS[1] = bS[2] = bS[3] = bS[4] = bS[5] = bS[6] = bS[7] = 4;
-        else {
-            for( i = 0; i < 8; i++ ) {
-                int mbn_xy = MB_FIELD ? left_mb_xy[i>>2] : left_mb_xy[i&1];
-
-                if( IS_INTRA( s->current_picture.mb_type[mbn_xy] ) )
-                    bS[i] = 4;
-                else if( h->non_zero_count_cache[12+8*(i>>1)] != 0 ||
-                         /* FIXME: with 8x8dct + cavlc, should check cbp instead of nnz */
-                         h->non_zero_count[mbn_xy][MB_FIELD ? i&3 : (i>>2)+(mb_y&1)*2] )
-                    bS[i] = 2;
-                else
-                    bS[i] = 1;
-            }
-        }
-
-        mb_qp = s->current_picture.qscale_table[mb_xy];
-        mbn0_qp = s->current_picture.qscale_table[left_mb_xy[0]];
-        mbn1_qp = s->current_picture.qscale_table[left_mb_xy[1]];
-        qp[0] = ( mb_qp + mbn0_qp + 1 ) >> 1;
-        chroma_qp[0] = ( get_chroma_qp( h->pps.chroma_qp_index_offset, mb_qp ) +
-                         get_chroma_qp( h->pps.chroma_qp_index_offset, mbn0_qp ) + 1 ) >> 1;
-        qp[1] = ( mb_qp + mbn1_qp + 1 ) >> 1;
-        chroma_qp[1] = ( get_chroma_qp( h->pps.chroma_qp_index_offset, mb_qp ) +
-                         get_chroma_qp( h->pps.chroma_qp_index_offset, mbn1_qp ) + 1 ) >> 1;
-
-        /* Filter edge */
-        tprintf(s->avctx, "filter mb:%d/%d MBAFF, QPy:%d/%d, QPc:%d/%d ls:%d uvls:%d", mb_x, mb_y, qp[0], qp[1], chroma_qp[0], chroma_qp[1], linesize, uvlinesize);
-        { int i; for (i = 0; i < 8; i++) tprintf(s->avctx, " bS[%d]:%d", i, bS[i]); tprintf(s->avctx, "\n"); }
-        filter_mb_mbaff_edgev ( h, &img_y [0], linesize,   bS, qp );
-        filter_mb_mbaff_edgecv( h, &img_cb[0], uvlinesize, bS, chroma_qp );
-        filter_mb_mbaff_edgecv( h, &img_cr[0], uvlinesize, bS, chroma_qp );
-    }
-    /* dir : 0 -> vertical edge, 1 -> horizontal edge */
-    for( dir = 0; dir < 2; dir++ )
-    {
-        int edge;
-        const int mbm_xy = dir == 0 ? mb_xy -1 : h->top_mb_xy;
-        const int mbm_type = s->current_picture.mb_type[mbm_xy];
-        int start = h->slice_table[mbm_xy] == 255 ? 1 : 0;
-
-        const int edges = (mb_type & (MB_TYPE_16x16|MB_TYPE_SKIP))
-                                  == (MB_TYPE_16x16|MB_TYPE_SKIP) ? 1 : 4;
-        // how often to recheck mv-based bS when iterating between edges
-        const int mask_edge = (mb_type & (MB_TYPE_16x16 | (MB_TYPE_16x8 << dir))) ? 3 :
-                              (mb_type & (MB_TYPE_8x16 >> dir)) ? 1 : 0;
-        // how often to recheck mv-based bS when iterating along each edge
-        const int mask_par0 = mb_type & (MB_TYPE_16x16 | (MB_TYPE_8x16 >> dir));
-
-        if (first_vertical_edge_done) {
-            start = 1;
-            first_vertical_edge_done = 0;
-        }
-
-        if (h->deblocking_filter==2 && h->slice_table[mbm_xy] != h->slice_table[mb_xy])
-            start = 1;
-
-        if (FRAME_MBAFF && (dir == 1) && ((mb_y&1) == 0) && start == 0
-            && !IS_INTERLACED(mb_type)
-            && IS_INTERLACED(mbm_type)
-            ) {
-            // This is a special case in the norm where the filtering must
-            // be done twice (one each of the field) even if we are in a
-            // frame macroblock.
-            //
-            static const int nnz_idx[4] = {4,5,6,3};
-            unsigned int tmp_linesize   = 2 *   linesize;
-            unsigned int tmp_uvlinesize = 2 * uvlinesize;
-            int mbn_xy = mb_xy - 2 * s->mb_stride;
-            int qp, chroma_qp;
-            int i, j;
-            int16_t bS[4];
-
-            for(j=0; j<2; j++, mbn_xy += s->mb_stride){
-                if( IS_INTRA(mb_type) ||
-                    IS_INTRA(s->current_picture.mb_type[mbn_xy]) ) {
-                    bS[0] = bS[1] = bS[2] = bS[3] = 3;
-                } else {
-                    const uint8_t *mbn_nnz = h->non_zero_count[mbn_xy];
-                    for( i = 0; i < 4; i++ ) {
-                        if( h->non_zero_count_cache[scan8[0]+i] != 0 ||
-                            mbn_nnz[nnz_idx[i]] != 0 )
-                            bS[i] = 2;
-                        else
-                            bS[i] = 1;
-                    }
-                }
-                // Do not use s->qscale as luma quantizer because it has not the same
-                // value in IPCM macroblocks.
-                qp = ( s->current_picture.qscale_table[mb_xy] + s->current_picture.qscale_table[mbn_xy] + 1 ) >> 1;
-                tprintf(s->avctx, "filter mb:%d/%d dir:%d edge:%d, QPy:%d ls:%d uvls:%d", mb_x, mb_y, dir, edge, qp, tmp_linesize, tmp_uvlinesize);
-                { int i; for (i = 0; i < 4; i++) tprintf(s->avctx, " bS[%d]:%d", i, bS[i]); tprintf(s->avctx, "\n"); }
-                filter_mb_edgeh( h, &img_y[j*linesize], tmp_linesize, bS, qp );
-                chroma_qp = ( h->chroma_qp +
-                              get_chroma_qp( h->pps.chroma_qp_index_offset, s->current_picture.qscale_table[mbn_xy] ) + 1 ) >> 1;
-                filter_mb_edgech( h, &img_cb[j*uvlinesize], tmp_uvlinesize, bS, chroma_qp );
-                filter_mb_edgech( h, &img_cr[j*uvlinesize], tmp_uvlinesize, bS, chroma_qp );
-            }
-
-            start = 1;
-        }
-
-        /* Calculate bS */
-        for( edge = start; edge < edges; edge++ ) {
-            /* mbn_xy: neighbor macroblock */
-            const int mbn_xy = edge > 0 ? mb_xy : mbm_xy;
-            const int mbn_type = s->current_picture.mb_type[mbn_xy];
-            int16_t bS[4];
-            int qp;
-
-            if( (edge&1) && IS_8x8DCT(mb_type) )
-                continue;
-
-            if( IS_INTRA(mb_type) ||
-                IS_INTRA(mbn_type) ) {
-                int value;
-                if (edge == 0) {
-                    if (   (!IS_INTERLACED(mb_type) && !IS_INTERLACED(mbm_type))
-                        || ((FRAME_MBAFF || (s->picture_structure != PICT_FRAME)) && (dir == 0))
-                    ) {
-                        value = 4;
-                    } else {
-                        value = 3;
-                    }
-                } else {
-                    value = 3;
-                }
-                bS[0] = bS[1] = bS[2] = bS[3] = value;
-            } else {
-                int i, l;
-                int mv_done;
-
-                if( edge & mask_edge ) {
-                    bS[0] = bS[1] = bS[2] = bS[3] = 0;
-                    mv_done = 1;
-                }
-                else if( FRAME_MBAFF && IS_INTERLACED(mb_type ^ mbn_type)) {
-                    bS[0] = bS[1] = bS[2] = bS[3] = 1;
-                    mv_done = 1;
-                }
-                else if( mask_par0 && (edge || (mbn_type & (MB_TYPE_16x16 | (MB_TYPE_8x16 >> dir)))) ) {
-                    int b_idx= 8 + 4 + edge * (dir ? 8:1);
-                    int bn_idx= b_idx - (dir ? 8:1);
-                    int v = 0;
-                    for( l = 0; !v && l < 1 + (h->slice_type == B_TYPE); l++ ) {
-                        v |= ref2frm[h->ref_cache[l][b_idx]+2] != ref2frm[h->ref_cache[l][bn_idx]+2] ||
-                             FFABS( h->mv_cache[l][b_idx][0] - h->mv_cache[l][bn_idx][0] ) >= 4 ||
-                             FFABS( h->mv_cache[l][b_idx][1] - h->mv_cache[l][bn_idx][1] ) >= mvy_limit;
-                    }
-                    bS[0] = bS[1] = bS[2] = bS[3] = v;
-                    mv_done = 1;
-                }
-                else
-                    mv_done = 0;
-
-                for( i = 0; i < 4; i++ ) {
-                    int x = dir == 0 ? edge : i;
-                    int y = dir == 0 ? i    : edge;
-                    int b_idx= 8 + 4 + x + 8*y;
-                    int bn_idx= b_idx - (dir ? 8:1);
-
-                    if( h->non_zero_count_cache[b_idx] != 0 ||
-                        h->non_zero_count_cache[bn_idx] != 0 ) {
-                        bS[i] = 2;
-                    }
-                    else if(!mv_done)
-                    {
-                        bS[i] = 0;
-                        for( l = 0; l < 1 + (h->slice_type == B_TYPE); l++ ) {
-                            if( ref2frm[h->ref_cache[l][b_idx]+2] != ref2frm[h->ref_cache[l][bn_idx]+2] ||
-                                FFABS( h->mv_cache[l][b_idx][0] - h->mv_cache[l][bn_idx][0] ) >= 4 ||
-                                FFABS( h->mv_cache[l][b_idx][1] - h->mv_cache[l][bn_idx][1] ) >= mvy_limit ) {
-                                bS[i] = 1;
-                                break;
-                            }
-                        }
-                    }
-                }
-
-                if(bS[0]+bS[1]+bS[2]+bS[3] == 0)
-                    continue;
-            }
-
-            /* Filter edge */
-            // Do not use s->qscale as luma quantizer because it has not the same
-            // value in IPCM macroblocks.
-            qp = ( s->current_picture.qscale_table[mb_xy] + s->current_picture.qscale_table[mbn_xy] + 1 ) >> 1;
-            //tprintf(s->avctx, "filter mb:%d/%d dir:%d edge:%d, QPy:%d, QPc:%d, QPcn:%d\n", mb_x, mb_y, dir, edge, qp, h->chroma_qp, s->current_picture.qscale_table[mbn_xy]);
-            tprintf(s->avctx, "filter mb:%d/%d dir:%d edge:%d, QPy:%d ls:%d uvls:%d", mb_x, mb_y, dir, edge, qp, linesize, uvlinesize);
-            { int i; for (i = 0; i < 4; i++) tprintf(s->avctx, " bS[%d]:%d", i, bS[i]); tprintf(s->avctx, "\n"); }
-            if( dir == 0 ) {
-                filter_mb_edgev( h, &img_y[4*edge], linesize, bS, qp );
-                if( (edge&1) == 0 ) {
-                    int chroma_qp = ( h->chroma_qp +
-                                      get_chroma_qp( h->pps.chroma_qp_index_offset, s->current_picture.qscale_table[mbn_xy] ) + 1 ) >> 1;
-                    filter_mb_edgecv( h, &img_cb[2*edge], uvlinesize, bS, chroma_qp );
-                    filter_mb_edgecv( h, &img_cr[2*edge], uvlinesize, bS, chroma_qp );
-                }
-            } else {
-                filter_mb_edgeh( h, &img_y[4*edge*linesize], linesize, bS, qp );
-                if( (edge&1) == 0 ) {
-                    int chroma_qp = ( h->chroma_qp +
-                                      get_chroma_qp( h->pps.chroma_qp_index_offset, s->current_picture.qscale_table[mbn_xy] ) + 1 ) >> 1;
-                    filter_mb_edgech( h, &img_cb[2*edge*uvlinesize], uvlinesize, bS, chroma_qp );
-                    filter_mb_edgech( h, &img_cr[2*edge*uvlinesize], uvlinesize, bS, chroma_qp );
-                }
-            }
-        }
-    }
-}
-
-static int decode_slice(H264Context *h){
-    MpegEncContext * const s = &h->s;
-    const int part_mask= s->partitioned_frame ? (AC_END|AC_ERROR) : 0x7F;
-
-    s->mb_skip_run= -1;
-
-    if( h->pps.cabac ) {
-        int i;
-
-        /* realign */
-        align_get_bits( &s->gb );
-
-        /* init cabac */
-        ff_init_cabac_states( &h->cabac);
-        ff_init_cabac_decoder( &h->cabac,
-                               s->gb.buffer + get_bits_count(&s->gb)/8,
-                               ( s->gb.size_in_bits - get_bits_count(&s->gb) + 7)/8);
-        /* calculate pre-state */
-        for( i= 0; i < 460; i++ ) {
-            int pre;
-            if( h->slice_type == I_TYPE )
-                pre = av_clip( ((cabac_context_init_I[i][0] * s->qscale) >>4 ) + cabac_context_init_I[i][1], 1, 126 );
-            else
-                pre = av_clip( ((cabac_context_init_PB[h->cabac_init_idc][i][0] * s->qscale) >>4 ) + cabac_context_init_PB[h->cabac_init_idc][i][1], 1, 126 );
-
-            if( pre <= 63 )
-                h->cabac_state[i] = 2 * ( 63 - pre ) + 0;
-            else
-                h->cabac_state[i] = 2 * ( pre - 64 ) + 1;
-        }
-
-        for(;;){
-//START_TIMER
-            int ret = decode_mb_cabac(h);
-            int eos;
-//STOP_TIMER("decode_mb_cabac")
-
-            if(ret>=0) hl_decode_mb(h);
-
-            if( ret >= 0 && FRAME_MBAFF ) { //FIXME optimal? or let mb_decode decode 16x32 ?
-                s->mb_y++;
-
-                if(ret>=0) ret = decode_mb_cabac(h);
-
-                if(ret>=0) hl_decode_mb(h);
-                s->mb_y--;
-            }
-            eos = get_cabac_terminate( &h->cabac );
-
-            if( ret < 0 || h->cabac.bytestream > h->cabac.bytestream_end + 2) {
-                av_log(h->s.avctx, AV_LOG_ERROR, "error while decoding MB %d %d, bytestream (%d)\n", s->mb_x, s->mb_y, h->cabac.bytestream_end - h->cabac.bytestream);
-                ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y, (AC_ERROR|DC_ERROR|MV_ERROR)&part_mask);
-                return -1;
-            }
-
-            if( ++s->mb_x >= s->mb_width ) {
-                s->mb_x = 0;
-                ff_draw_horiz_band(s, 16*s->mb_y, 16);
-                ++s->mb_y;
-                if(FRAME_MBAFF) {
-                    ++s->mb_y;
-                }
-            }
-
-            if( eos || s->mb_y >= s->mb_height ) {
-                tprintf(s->avctx, "slice end %d %d\n", get_bits_count(&s->gb), s->gb.size_in_bits);
-                ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x-1, s->mb_y, (AC_END|DC_END|MV_END)&part_mask);
-                return 0;
-            }
-        }
-
-    } else {
-        for(;;){
-            int ret = decode_mb_cavlc(h);
-
-            if(ret>=0) hl_decode_mb(h);
-
-            if(ret>=0 && FRAME_MBAFF){ //FIXME optimal? or let mb_decode decode 16x32 ?
-                s->mb_y++;
-                ret = decode_mb_cavlc(h);
-
-                if(ret>=0) hl_decode_mb(h);
-                s->mb_y--;
-            }
-
-            if(ret<0){
-                av_log(h->s.avctx, AV_LOG_ERROR, "error while decoding MB %d %d\n", s->mb_x, s->mb_y);
-                ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y, (AC_ERROR|DC_ERROR|MV_ERROR)&part_mask);
-
-                return -1;
-            }
-
-            if(++s->mb_x >= s->mb_width){
-                s->mb_x=0;
-                ff_draw_horiz_band(s, 16*s->mb_y, 16);
-                ++s->mb_y;
-                if(FRAME_MBAFF) {
-                    ++s->mb_y;
-                }
-                if(s->mb_y >= s->mb_height){
-                    tprintf(s->avctx, "slice end %d %d\n", get_bits_count(&s->gb), s->gb.size_in_bits);
-
-                    if(get_bits_count(&s->gb) == s->gb.size_in_bits ) {
-                        ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x-1, s->mb_y, (AC_END|DC_END|MV_END)&part_mask);
-
-                        return 0;
-                    }else{
-                        ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y, (AC_END|DC_END|MV_END)&part_mask);
-
-                        return -1;
-                    }
-                }
-            }
-
-            if(get_bits_count(&s->gb) >= s->gb.size_in_bits && s->mb_skip_run<=0){
-                tprintf(s->avctx, "slice end %d %d\n", get_bits_count(&s->gb), s->gb.size_in_bits);
-                if(get_bits_count(&s->gb) == s->gb.size_in_bits ){
-                    ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x-1, s->mb_y, (AC_END|DC_END|MV_END)&part_mask);
-
-                    return 0;
-                }else{
-                    ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y, (AC_ERROR|DC_ERROR|MV_ERROR)&part_mask);
-
-                    return -1;
-                }
-            }
-        }
-    }
-
-#if 0
-    for(;s->mb_y < s->mb_height; s->mb_y++){
-        for(;s->mb_x < s->mb_width; s->mb_x++){
-            int ret= decode_mb(h);
-
-            hl_decode_mb(h);
-
-            if(ret<0){
-                av_log(s->avctx, AV_LOG_ERROR, "error while decoding MB %d %d\n", s->mb_x, s->mb_y);
-                ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y, (AC_ERROR|DC_ERROR|MV_ERROR)&part_mask);
-
-                return -1;
-            }
-
-            if(++s->mb_x >= s->mb_width){
-                s->mb_x=0;
-                if(++s->mb_y >= s->mb_height){
-                    if(get_bits_count(s->gb) == s->gb.size_in_bits){
-                        ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x-1, s->mb_y, (AC_END|DC_END|MV_END)&part_mask);
-
-                        return 0;
-                    }else{
-                        ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y, (AC_END|DC_END|MV_END)&part_mask);
-
-                        return -1;
-                    }
-                }
-            }
-
-            if(get_bits_count(s->?gb) >= s->gb?.size_in_bits){
-                if(get_bits_count(s->gb) == s->gb.size_in_bits){
-                    ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x-1, s->mb_y, (AC_END|DC_END|MV_END)&part_mask);
-
-                    return 0;
-                }else{
-                    ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y, (AC_ERROR|DC_ERROR|MV_ERROR)&part_mask);
-
-                    return -1;
-                }
-            }
-        }
-        s->mb_x=0;
-        ff_draw_horiz_band(s, 16*s->mb_y, 16);
-    }
-#endif
-    return -1; //not reached
-}
-
-static int decode_unregistered_user_data(H264Context *h, int size){
-    MpegEncContext * const s = &h->s;
-    uint8_t user_data[16+256];
-    int e, build, i;
-
-    if(size<16)
-        return -1;
-
-    for(i=0; i<sizeof(user_data)-1 && i<size; i++){
-        user_data[i]= get_bits(&s->gb, 8);
-    }
-
-    user_data[i]= 0;
-    e= sscanf(user_data+16, "x264 - core %d"/*%s - H.264/MPEG-4 AVC codec - Copyleft 2005 - http://www.videolan.org/x264.html*/, &build);
-    if(e==1 && build>=0)
-        h->x264_build= build;
-
-    if(s->avctx->debug & FF_DEBUG_BUGS)
-        av_log(s->avctx, AV_LOG_DEBUG, "user data:\"%s\"\n", user_data+16);
-
-    for(; i<size; i++)
-        skip_bits(&s->gb, 8);
-
-    return 0;
-}
-
-static int decode_sei(H264Context *h){
-    MpegEncContext * const s = &h->s;
-
-    while(get_bits_count(&s->gb) + 16 < s->gb.size_in_bits){
-        int size, type;
-
-        type=0;
-        do{
-            type+= show_bits(&s->gb, 8);
-        }while(get_bits(&s->gb, 8) == 255);
-
-        size=0;
-        do{
-            size+= show_bits(&s->gb, 8);
-        }while(get_bits(&s->gb, 8) == 255);
-
-        switch(type){
-        case 5:
-            if(decode_unregistered_user_data(h, size) < 0)
-                return -1;
-            break;
-        default:
-            skip_bits(&s->gb, 8*size);
-        }
-
-        //FIXME check bits here
-        align_get_bits(&s->gb);
-    }
-
-    return 0;
-}
-
-static inline void decode_hrd_parameters(H264Context *h, SPS *sps){
-    MpegEncContext * const s = &h->s;
-    int cpb_count, i;
-    cpb_count = get_ue_golomb(&s->gb) + 1;
-    get_bits(&s->gb, 4); /* bit_rate_scale */
-    get_bits(&s->gb, 4); /* cpb_size_scale */
-    for(i=0; i<cpb_count; i++){
-        get_ue_golomb(&s->gb); /* bit_rate_value_minus1 */
-        get_ue_golomb(&s->gb); /* cpb_size_value_minus1 */
-        get_bits1(&s->gb);     /* cbr_flag */
-    }
-    get_bits(&s->gb, 5); /* initial_cpb_removal_delay_length_minus1 */
-    get_bits(&s->gb, 5); /* cpb_removal_delay_length_minus1 */
-    get_bits(&s->gb, 5); /* dpb_output_delay_length_minus1 */
-    get_bits(&s->gb, 5); /* time_offset_length */
-}
-
-static inline int decode_vui_parameters(H264Context *h, SPS *sps){
-    MpegEncContext * const s = &h->s;
-    int aspect_ratio_info_present_flag;
-    unsigned int aspect_ratio_idc;
-    int nal_hrd_parameters_present_flag, vcl_hrd_parameters_present_flag;
-
-    aspect_ratio_info_present_flag= get_bits1(&s->gb);
-
-    if( aspect_ratio_info_present_flag ) {
-        aspect_ratio_idc= get_bits(&s->gb, 8);
-        if( aspect_ratio_idc == EXTENDED_SAR ) {
-            sps->sar.num= get_bits(&s->gb, 16);
-            sps->sar.den= get_bits(&s->gb, 16);
-        }else if(aspect_ratio_idc < 14){
-            sps->sar=  pixel_aspect[aspect_ratio_idc];
-        }else{
-            av_log(h->s.avctx, AV_LOG_ERROR, "illegal aspect ratio\n");
-            return -1;
-        }
-    }else{
-        sps->sar.num=
-        sps->sar.den= 0;
-    }
-//            s->avctx->aspect_ratio= sar_width*s->width / (float)(s->height*sar_height);
-
-    if(get_bits1(&s->gb)){      /* overscan_info_present_flag */
-        get_bits1(&s->gb);      /* overscan_appropriate_flag */
-    }
-
-    if(get_bits1(&s->gb)){      /* video_signal_type_present_flag */
-        get_bits(&s->gb, 3);    /* video_format */
-        get_bits1(&s->gb);      /* video_full_range_flag */
-        if(get_bits1(&s->gb)){  /* colour_description_present_flag */
-            get_bits(&s->gb, 8); /* colour_primaries */
-            get_bits(&s->gb, 8); /* transfer_characteristics */
-            get_bits(&s->gb, 8); /* matrix_coefficients */
-        }
-    }
-
-    if(get_bits1(&s->gb)){      /* chroma_location_info_present_flag */
-        get_ue_golomb(&s->gb);  /* chroma_sample_location_type_top_field */
-        get_ue_golomb(&s->gb);  /* chroma_sample_location_type_bottom_field */
-    }
-
-    sps->timing_info_present_flag = get_bits1(&s->gb);
-    if(sps->timing_info_present_flag){
-        sps->num_units_in_tick = get_bits_long(&s->gb, 32);
-        sps->time_scale = get_bits_long(&s->gb, 32);
-        sps->fixed_frame_rate_flag = get_bits1(&s->gb);
-    }
-
-    nal_hrd_parameters_present_flag = get_bits1(&s->gb);
-    if(nal_hrd_parameters_present_flag)
-        decode_hrd_parameters(h, sps);
-    vcl_hrd_parameters_present_flag = get_bits1(&s->gb);
-    if(vcl_hrd_parameters_present_flag)
-        decode_hrd_parameters(h, sps);
-    if(nal_hrd_parameters_present_flag || vcl_hrd_parameters_present_flag)
-        get_bits1(&s->gb);     /* low_delay_hrd_flag */
-    get_bits1(&s->gb);         /* pic_struct_present_flag */
-
-    sps->bitstream_restriction_flag = get_bits1(&s->gb);
-    if(sps->bitstream_restriction_flag){
-        unsigned int num_reorder_frames;
-        get_bits1(&s->gb);     /* motion_vectors_over_pic_boundaries_flag */
-        get_ue_golomb(&s->gb); /* max_bytes_per_pic_denom */
-        get_ue_golomb(&s->gb); /* max_bits_per_mb_denom */
-        get_ue_golomb(&s->gb); /* log2_max_mv_length_horizontal */
-        get_ue_golomb(&s->gb); /* log2_max_mv_length_vertical */
-        num_reorder_frames= get_ue_golomb(&s->gb);
-        get_ue_golomb(&s->gb); /*max_dec_frame_buffering*/
-
-        if(num_reorder_frames > 16 /*max_dec_frame_buffering || max_dec_frame_buffering > 16*/){
-            av_log(h->s.avctx, AV_LOG_ERROR, "illegal num_reorder_frames %d\n", num_reorder_frames);
-            return -1;
-        }
-
-        sps->num_reorder_frames= num_reorder_frames;
-    }
-
-    return 0;
-}
-
-static void decode_scaling_list(H264Context *h, uint8_t *factors, int size,
-                                const uint8_t *jvt_list, const uint8_t *fallback_list){
-    MpegEncContext * const s = &h->s;
-    int i, last = 8, next = 8;
-    const uint8_t *scan = size == 16 ? zigzag_scan : zigzag_scan8x8;
-    if(!get_bits1(&s->gb)) /* matrix not written, we use the predicted one */
-        memcpy(factors, fallback_list, size*sizeof(uint8_t));
-    else
-    for(i=0;i<size;i++){
-        if(next)
-            next = (last + get_se_golomb(&s->gb)) & 0xff;
-        if(!i && !next){ /* matrix not written, we use the preset one */
-            memcpy(factors, jvt_list, size*sizeof(uint8_t));
-            break;
-        }
-        last = factors[scan[i]] = next ? next : last;
-    }
-}
-
-static void decode_scaling_matrices(H264Context *h, SPS *sps, PPS *pps, int is_sps,
-                                   uint8_t (*scaling_matrix4)[16], uint8_t (*scaling_matrix8)[64]){
-    MpegEncContext * const s = &h->s;
-    int fallback_sps = !is_sps && sps->scaling_matrix_present;
-    const uint8_t *fallback[4] = {
-        fallback_sps ? sps->scaling_matrix4[0] : default_scaling4[0],
-        fallback_sps ? sps->scaling_matrix4[3] : default_scaling4[1],
-        fallback_sps ? sps->scaling_matrix8[0] : default_scaling8[0],
-        fallback_sps ? sps->scaling_matrix8[1] : default_scaling8[1]
-    };
-    if(get_bits1(&s->gb)){
-        sps->scaling_matrix_present |= is_sps;
-        decode_scaling_list(h,scaling_matrix4[0],16,default_scaling4[0],fallback[0]); // Intra, Y
-        decode_scaling_list(h,scaling_matrix4[1],16,default_scaling4[0],scaling_matrix4[0]); // Intra, Cr
-        decode_scaling_list(h,scaling_matrix4[2],16,default_scaling4[0],scaling_matrix4[1]); // Intra, Cb
-        decode_scaling_list(h,scaling_matrix4[3],16,default_scaling4[1],fallback[1]); // Inter, Y
-        decode_scaling_list(h,scaling_matrix4[4],16,default_scaling4[1],scaling_matrix4[3]); // Inter, Cr
-        decode_scaling_list(h,scaling_matrix4[5],16,default_scaling4[1],scaling_matrix4[4]); // Inter, Cb
-        if(is_sps || pps->transform_8x8_mode){
-            decode_scaling_list(h,scaling_matrix8[0],64,default_scaling8[0],fallback[2]);  // Intra, Y
-            decode_scaling_list(h,scaling_matrix8[1],64,default_scaling8[1],fallback[3]);  // Inter, Y
-        }
-    } else if(fallback_sps) {
-        memcpy(scaling_matrix4, sps->scaling_matrix4, 6*16*sizeof(uint8_t));
-        memcpy(scaling_matrix8, sps->scaling_matrix8, 2*64*sizeof(uint8_t));
-    }
-}
-
-static inline int decode_seq_parameter_set(H264Context *h){
-    MpegEncContext * const s = &h->s;
-    int profile_idc, level_idc;
-    unsigned int sps_id, tmp, mb_width, mb_height;
-    int i;
-    SPS *sps;
-
-    profile_idc= get_bits(&s->gb, 8);
-    get_bits1(&s->gb);   //constraint_set0_flag
-    get_bits1(&s->gb);   //constraint_set1_flag
-    get_bits1(&s->gb);   //constraint_set2_flag
-    get_bits1(&s->gb);   //constraint_set3_flag
-    get_bits(&s->gb, 4); // reserved
-    level_idc= get_bits(&s->gb, 8);
-    sps_id= get_ue_golomb(&s->gb);
-
-    if (sps_id >= MAX_SPS_COUNT){
-        // ok it has gone out of hand, someone is sending us bad stuff.
-        av_log(h->s.avctx, AV_LOG_ERROR, "illegal sps_id (%d)\n", sps_id);
-        return -1;
-    }
-
-    sps= &h->sps_buffer[ sps_id ];
-    sps->profile_idc= profile_idc;
-    sps->level_idc= level_idc;
-
-    if(sps->profile_idc >= 100){ //high profile
-        if(get_ue_golomb(&s->gb) == 3) //chroma_format_idc
-            get_bits1(&s->gb);  //residual_color_transform_flag
-        get_ue_golomb(&s->gb);  //bit_depth_luma_minus8
-        get_ue_golomb(&s->gb);  //bit_depth_chroma_minus8
-        sps->transform_bypass = get_bits1(&s->gb);
-        decode_scaling_matrices(h, sps, NULL, 1, sps->scaling_matrix4, sps->scaling_matrix8);
-    }else
-        sps->scaling_matrix_present = 0;
-
-    sps->log2_max_frame_num= get_ue_golomb(&s->gb) + 4;
-    sps->poc_type= get_ue_golomb(&s->gb);
-
-    if(sps->poc_type == 0){ //FIXME #define
-        sps->log2_max_poc_lsb= get_ue_golomb(&s->gb) + 4;
-    } else if(sps->poc_type == 1){//FIXME #define
-        sps->delta_pic_order_always_zero_flag= get_bits1(&s->gb);
-        sps->offset_for_non_ref_pic= get_se_golomb(&s->gb);
-        sps->offset_for_top_to_bottom_field= get_se_golomb(&s->gb);
-        tmp= get_ue_golomb(&s->gb);
-
-        if(tmp >= sizeof(sps->offset_for_ref_frame) / sizeof(sps->offset_for_ref_frame[0])){
-            av_log(h->s.avctx, AV_LOG_ERROR, "poc_cycle_length overflow %u\n", tmp);
-            return -1;
-        }
-        sps->poc_cycle_length= tmp;
-
-        for(i=0; i<sps->poc_cycle_length; i++)
-            sps->offset_for_ref_frame[i]= get_se_golomb(&s->gb);
-    }else if(sps->poc_type != 2){
-        av_log(h->s.avctx, AV_LOG_ERROR, "illegal POC type %d\n", sps->poc_type);
-        return -1;
-    }
-
-    tmp= get_ue_golomb(&s->gb);
-    if(tmp > MAX_PICTURE_COUNT-2){
-        av_log(h->s.avctx, AV_LOG_ERROR, "too many reference frames\n");
-    }
-    sps->ref_frame_count= tmp;
-    sps->gaps_in_frame_num_allowed_flag= get_bits1(&s->gb);
-    mb_width= get_ue_golomb(&s->gb) + 1;
-    mb_height= get_ue_golomb(&s->gb) + 1;
-    if(mb_width >= INT_MAX/16 || mb_height >= INT_MAX/16 ||
-       avcodec_check_dimensions(NULL, 16*mb_width, 16*mb_height)){
-        av_log(h->s.avctx, AV_LOG_ERROR, "mb_width/height overflow\n");
-        return -1;
-    }
-    sps->mb_width = mb_width;
-    sps->mb_height= mb_height;
-
-    sps->frame_mbs_only_flag= get_bits1(&s->gb);
-    if(!sps->frame_mbs_only_flag)
-        sps->mb_aff= get_bits1(&s->gb);
-    else
-        sps->mb_aff= 0;
-
-    sps->direct_8x8_inference_flag= get_bits1(&s->gb);
-
-#ifndef ALLOW_INTERLACE
-    if(sps->mb_aff)
-        av_log(h->s.avctx, AV_LOG_ERROR, "MBAFF support not included; enable it at compile-time.\n");
-#endif
-    if(!sps->direct_8x8_inference_flag && sps->mb_aff)
-        av_log(h->s.avctx, AV_LOG_ERROR, "MBAFF + !direct_8x8_inference is not implemented\n");
-
-    sps->crop= get_bits1(&s->gb);
-    if(sps->crop){
-        sps->crop_left  = get_ue_golomb(&s->gb);
-        sps->crop_right = get_ue_golomb(&s->gb);
-        sps->crop_top   = get_ue_golomb(&s->gb);
-        sps->crop_bottom= get_ue_golomb(&s->gb);
-        if(sps->crop_left || sps->crop_top){
-            av_log(h->s.avctx, AV_LOG_ERROR, "insane cropping not completely supported, this could look slightly wrong ...\n");
-        }
-    }else{
-        sps->crop_left  =
-        sps->crop_right =
-        sps->crop_top   =
-        sps->crop_bottom= 0;
-    }
-
-    sps->vui_parameters_present_flag= get_bits1(&s->gb);
-    if( sps->vui_parameters_present_flag )
-        decode_vui_parameters(h, sps);
-
-    if(s->avctx->debug&FF_DEBUG_PICT_INFO){
-        av_log(h->s.avctx, AV_LOG_DEBUG, "sps:%u profile:%d/%d poc:%d ref:%d %dx%d %s %s crop:%d/%d/%d/%d %s\n",
-               sps_id, sps->profile_idc, sps->level_idc,
-               sps->poc_type,
-               sps->ref_frame_count,
-               sps->mb_width, sps->mb_height,
-               sps->frame_mbs_only_flag ? "FRM" : (sps->mb_aff ? "MB-AFF" : "PIC-AFF"),
-               sps->direct_8x8_inference_flag ? "8B8" : "",
-               sps->crop_left, sps->crop_right,
-               sps->crop_top, sps->crop_bottom,
-               sps->vui_parameters_present_flag ? "VUI" : ""
-               );
-    }
-    return 0;
-}
-
-static inline int decode_picture_parameter_set(H264Context *h, int bit_length){
-    MpegEncContext * const s = &h->s;
-    unsigned int tmp, pps_id= get_ue_golomb(&s->gb);
-    PPS *pps;
-
-    if(pps_id>=MAX_PPS_COUNT){
-        av_log(h->s.avctx, AV_LOG_ERROR, "pps_id out of range\n");
-        return -1;
-    }
-    pps = &h->pps_buffer[pps_id];
-
-    tmp= get_ue_golomb(&s->gb);
-    if(tmp>=MAX_SPS_COUNT){
-        av_log(h->s.avctx, AV_LOG_ERROR, "sps_id out of range\n");
-        return -1;
-    }
-    pps->sps_id= tmp;
-
-    pps->cabac= get_bits1(&s->gb);
-    pps->pic_order_present= get_bits1(&s->gb);
-    pps->slice_group_count= get_ue_golomb(&s->gb) + 1;
-    if(pps->slice_group_count > 1 ){
-        pps->mb_slice_group_map_type= get_ue_golomb(&s->gb);
-        av_log(h->s.avctx, AV_LOG_ERROR, "FMO not supported\n");
-        switch(pps->mb_slice_group_map_type){
-        case 0:
-#if 0
-|   for( i = 0; i <= num_slice_groups_minus1; i++ ) |   |        |
-|    run_length[ i ]                                |1  |ue(v)   |
-#endif
-            break;
-        case 2:
-#if 0
-|   for( i = 0; i < num_slice_groups_minus1; i++ )  |   |        |
-|{                                                  |   |        |
-|    top_left_mb[ i ]                               |1  |ue(v)   |
-|    bottom_right_mb[ i ]                           |1  |ue(v)   |
-|   }                                               |   |        |
-#endif
-            break;
-        case 3:
-        case 4:
-        case 5:
-#if 0
-|   slice_group_change_direction_flag               |1  |u(1)    |
-|   slice_group_change_rate_minus1                  |1  |ue(v)   |
-#endif
-            break;
-        case 6:
-#if 0
-|   slice_group_id_cnt_minus1                       |1  |ue(v)   |
-|   for( i = 0; i <= slice_group_id_cnt_minus1; i++ |   |        |
-|)                                                  |   |        |
-|    slice_group_id[ i ]                            |1  |u(v)    |
-#endif
-            break;
-        }
-    }
-    pps->ref_count[0]= get_ue_golomb(&s->gb) + 1;
-    pps->ref_count[1]= get_ue_golomb(&s->gb) + 1;
-    if(pps->ref_count[0]-1 > 32-1 || pps->ref_count[1]-1 > 32-1){
-        av_log(h->s.avctx, AV_LOG_ERROR, "reference overflow (pps)\n");
-        pps->ref_count[0]= pps->ref_count[1]= 1;
-        return -1;
-    }
-
-    pps->weighted_pred= get_bits1(&s->gb);
-    pps->weighted_bipred_idc= get_bits(&s->gb, 2);
-    pps->init_qp= get_se_golomb(&s->gb) + 26;
-    pps->init_qs= get_se_golomb(&s->gb) + 26;
-    pps->chroma_qp_index_offset= get_se_golomb(&s->gb);
-    pps->deblocking_filter_parameters_present= get_bits1(&s->gb);
-    pps->constrained_intra_pred= get_bits1(&s->gb);
-    pps->redundant_pic_cnt_present = get_bits1(&s->gb);
-
-    pps->transform_8x8_mode= 0;
-    h->dequant_coeff_pps= -1; //contents of sps/pps can change even if id doesn't, so reinit
-    memset(pps->scaling_matrix4, 16, 6*16*sizeof(uint8_t));
-    memset(pps->scaling_matrix8, 16, 2*64*sizeof(uint8_t));
-
-    if(get_bits_count(&s->gb) < bit_length){
-        pps->transform_8x8_mode= get_bits1(&s->gb);
-        decode_scaling_matrices(h, &h->sps_buffer[pps->sps_id], pps, 0, pps->scaling_matrix4, pps->scaling_matrix8);
-        get_se_golomb(&s->gb);  //second_chroma_qp_index_offset
-    }
-
-    if(s->avctx->debug&FF_DEBUG_PICT_INFO){
-        av_log(h->s.avctx, AV_LOG_DEBUG, "pps:%u sps:%u %s slice_groups:%d ref:%d/%d %s qp:%d/%d/%d %s %s %s %s\n",
-               pps_id, pps->sps_id,
-               pps->cabac ? "CABAC" : "CAVLC",
-               pps->slice_group_count,
-               pps->ref_count[0], pps->ref_count[1],
-               pps->weighted_pred ? "weighted" : "",
-               pps->init_qp, pps->init_qs, pps->chroma_qp_index_offset,
-               pps->deblocking_filter_parameters_present ? "LPAR" : "",
-               pps->constrained_intra_pred ? "CONSTR" : "",
-               pps->redundant_pic_cnt_present ? "REDU" : "",
-               pps->transform_8x8_mode ? "8x8DCT" : ""
-               );
-    }
-
-    return 0;
-}
-
-/**
- * finds the end of the current frame in the bitstream.
- * @return the position of the first byte of the next frame, or -1
- */
-static int find_frame_end(H264Context *h, const uint8_t *buf, int buf_size){
-    int i;
-    uint32_t state;
-    ParseContext *pc = &(h->s.parse_context);
-//printf("first %02X%02X%02X%02X\n", buf[0], buf[1],buf[2],buf[3]);
-//    mb_addr= pc->mb_addr - 1;
-    state= pc->state;
-    if(state>13)
-        state= 7;
-
-    for(i=0; i<buf_size; i++){
-        if(state==7){
-            for(; i<buf_size; i++){
-                if(!buf[i]){
-                    state=2;
-                    break;
-                }
-            }
-        }else if(state<=2){
-            if(buf[i]==1)   state^= 5; //2->7, 1->4, 0->5
-            else if(buf[i]) state = 7;
-            else            state>>=1; //2->1, 1->0, 0->0
-        }else if(state<=5){
-            int v= buf[i] & 0x1F;
-            if(v==7 || v==8 || v==9){
-                if(pc->frame_start_found){
-                    i++;
-found:
-                    pc->state=7;
-                    pc->frame_start_found= 0;
-                    return i-(state&5);
-                }
-            }else if(v==1 || v==2 || v==5){
-                if(pc->frame_start_found){
-                    state+=8;
-                    continue;
-                }else
-                    pc->frame_start_found = 1;
-            }
-            state= 7;
-        }else{
-            if(buf[i] & 0x80)
-                goto found;
-            state= 7;
-        }
-    }
-    pc->state= state;
-    return END_NOT_FOUND;
-}
-
-#ifdef CONFIG_H264_PARSER
-static int h264_parse(AVCodecParserContext *s,
-                      AVCodecContext *avctx,
-                      const uint8_t **poutbuf, int *poutbuf_size,
-                      const uint8_t *buf, int buf_size)
-{
-    H264Context *h = s->priv_data;
-    ParseContext *pc = &h->s.parse_context;
-    int next;
-
-    if(s->flags & PARSER_FLAG_COMPLETE_FRAMES){
-        next= buf_size;
-    }else{
-        next= find_frame_end(h, buf, buf_size);
-
-        if (ff_combine_frame(pc, next, &buf, &buf_size) < 0) {
-            *poutbuf = NULL;
-            *poutbuf_size = 0;
-            return buf_size;
-        }
-
-        if(next<0 && next != END_NOT_FOUND){
-            assert(pc->last_index + next >= 0 );
-            find_frame_end(h, &pc->buffer[pc->last_index + next], -next); //update state
-        }
-    }
-
-    *poutbuf = buf;
-    *poutbuf_size = buf_size;
-    return next;
-}
-
-static int h264_split(AVCodecContext *avctx,
-                      const uint8_t *buf, int buf_size)
-{
-    int i;
-    uint32_t state = -1;
-    int has_sps= 0;
-
-    for(i=0; i<=buf_size; i++){
-        if((state&0xFFFFFF1F) == 0x107)
-            has_sps=1;
-/*        if((state&0xFFFFFF1F) == 0x101 || (state&0xFFFFFF1F) == 0x102 || (state&0xFFFFFF1F) == 0x105){
-        }*/
-        if((state&0xFFFFFF00) == 0x100 && (state&0xFFFFFF1F) != 0x107 && (state&0xFFFFFF1F) != 0x108 && (state&0xFFFFFF1F) != 0x109){
-            if(has_sps){
-                while(i>4 && buf[i-5]==0) i--;
-                return i-4;
-            }
-        }
-        if (i<buf_size)
-            state= (state<<8) | buf[i];
-    }
-    return 0;
-}
-#endif /* CONFIG_H264_PARSER */
-
-static int decode_nal_units(H264Context *h, uint8_t *buf, int buf_size){
-    MpegEncContext * const s = &h->s;
-    AVCodecContext * const avctx= s->avctx;
-    int buf_index=0;
-#if 0
-    int i;
-    for(i=0; i<50; i++){
-        av_log(NULL, AV_LOG_ERROR,"%02X ", buf[i]);
-    }
-#endif
-    if(!(s->flags2 & CODEC_FLAG2_CHUNKS)){
-        h->slice_num = 0;
-        s->current_picture_ptr= NULL;
-    }
-
-    for(;;){
-        int consumed;
-        int dst_length;
-        int bit_length;
-        uint8_t *ptr;
-        int i, nalsize = 0;
-
-      if(h->is_avc) {
-        if(buf_index >= buf_size) break;
-        nalsize = 0;
-        for(i = 0; i < h->nal_length_size; i++)
-            nalsize = (nalsize << 8) | buf[buf_index++];
-        if(nalsize <= 1 || (nalsize+buf_index > buf_size)){
-            if(nalsize == 1){
-                buf_index++;
-                continue;
-            }else{
-                av_log(h->s.avctx, AV_LOG_ERROR, "AVC: nal size %d\n", nalsize);
-                break;
-            }
-        }
-      } else {
-        // start code prefix search
-        for(; buf_index + 3 < buf_size; buf_index++){
-            // This should always succeed in the first iteration.
-            if(buf[buf_index] == 0 && buf[buf_index+1] == 0 && buf[buf_index+2] == 1)
-                break;
-        }
-
-        if(buf_index+3 >= buf_size) break;
-
-        buf_index+=3;
-      }
-
-        ptr= decode_nal(h, buf + buf_index, &dst_length, &consumed, h->is_avc ? nalsize : buf_size - buf_index);
-        if (ptr==NULL || dst_length < 0){
-            return -1;
-        }
-        while(ptr[dst_length - 1] == 0 && dst_length > 0)
-            dst_length--;
-        bit_length= !dst_length ? 0 : (8*dst_length - decode_rbsp_trailing(h, ptr + dst_length - 1));
-
-        if(s->avctx->debug&FF_DEBUG_STARTCODE){
-            av_log(h->s.avctx, AV_LOG_DEBUG, "NAL %d at %d/%d length %d\n", h->nal_unit_type, buf_index, buf_size, dst_length);
-        }
-
-        if (h->is_avc && (nalsize != consumed))
-            av_log(h->s.avctx, AV_LOG_ERROR, "AVC: Consumed only %d bytes instead of %d\n", consumed, nalsize);
-
-        buf_index += consumed;
-
-        if(  (s->hurry_up == 1 && h->nal_ref_idc  == 0) //FIXME dont discard SEI id
-           ||(avctx->skip_frame >= AVDISCARD_NONREF && h->nal_ref_idc  == 0))
-            continue;
-
-        switch(h->nal_unit_type){
-        case NAL_IDR_SLICE:
-            idr(h); //FIXME ensure we don't loose some frames if there is reordering
-        case NAL_SLICE:
-            init_get_bits(&s->gb, ptr, bit_length);
-            h->intra_gb_ptr=
-            h->inter_gb_ptr= &s->gb;
-            s->data_partitioning = 0;
-
-            if(decode_slice_header(h) < 0){
-                av_log(h->s.avctx, AV_LOG_ERROR, "decode_slice_header error\n");
-                break;
-            }
-            s->current_picture_ptr->key_frame= (h->nal_unit_type == NAL_IDR_SLICE);
-            if(h->redundant_pic_count==0 && s->hurry_up < 5
-               && (avctx->skip_frame < AVDISCARD_NONREF || h->nal_ref_idc)
-               && (avctx->skip_frame < AVDISCARD_BIDIR  || h->slice_type!=B_TYPE)
-               && (avctx->skip_frame < AVDISCARD_NONKEY || h->slice_type==I_TYPE)
-               && avctx->skip_frame < AVDISCARD_ALL)
-                decode_slice(h);
-            break;
-        case NAL_DPA:
-            init_get_bits(&s->gb, ptr, bit_length);
-            h->intra_gb_ptr=
-            h->inter_gb_ptr= NULL;
-            s->data_partitioning = 1;
-
-            if(decode_slice_header(h) < 0){
-                av_log(h->s.avctx, AV_LOG_ERROR, "decode_slice_header error\n");
-            }
-            break;
-        case NAL_DPB:
-            init_get_bits(&h->intra_gb, ptr, bit_length);
-            h->intra_gb_ptr= &h->intra_gb;
-            break;
-        case NAL_DPC:
-            init_get_bits(&h->inter_gb, ptr, bit_length);
-            h->inter_gb_ptr= &h->inter_gb;
-
-            if(h->redundant_pic_count==0 && h->intra_gb_ptr && s->data_partitioning
-               && s->context_initialized
-               && s->hurry_up < 5
-               && (avctx->skip_frame < AVDISCARD_NONREF || h->nal_ref_idc)
-               && (avctx->skip_frame < AVDISCARD_BIDIR  || h->slice_type!=B_TYPE)
-               && (avctx->skip_frame < AVDISCARD_NONKEY || h->slice_type==I_TYPE)
-               && avctx->skip_frame < AVDISCARD_ALL)
-                decode_slice(h);
-            break;
-        case NAL_SEI:
-            init_get_bits(&s->gb, ptr, bit_length);
-            decode_sei(h);
-            break;
-        case NAL_SPS:
-            init_get_bits(&s->gb, ptr, bit_length);
-            decode_seq_parameter_set(h);
-
-            if(s->flags& CODEC_FLAG_LOW_DELAY)
-                s->low_delay=1;
-
-            if(avctx->has_b_frames < 2)
-                avctx->has_b_frames= !s->low_delay;
-            break;
-        case NAL_PPS:
-            init_get_bits(&s->gb, ptr, bit_length);
-
-            decode_picture_parameter_set(h, bit_length);
-
-            break;
-        case NAL_AUD:
-        case NAL_END_SEQUENCE:
-        case NAL_END_STREAM:
-        case NAL_FILLER_DATA:
-        case NAL_SPS_EXT:
-        case NAL_AUXILIARY_SLICE:
-            break;
-        default:
-            av_log(avctx, AV_LOG_ERROR, "Unknown NAL code: %d\n", h->nal_unit_type);
-        }
-    }
-
-    return buf_index;
-}
-
-/**
- * returns the number of bytes consumed for building the current frame
- */
-static int get_consumed_bytes(MpegEncContext *s, int pos, int buf_size){
-    if(s->flags&CODEC_FLAG_TRUNCATED){
-        pos -= s->parse_context.last_index;
-        if(pos<0) pos=0; // FIXME remove (unneeded?)
-
-        return pos;
-    }else{
-        if(pos==0) pos=1; //avoid infinite loops (i doubt thats needed but ...)
-        if(pos+10>buf_size) pos=buf_size; // oops ;)
-
-        return pos;
-    }
-}
-
-static int decode_frame(AVCodecContext *avctx,
-                             void *data, int *data_size,
-                             uint8_t *buf, int buf_size)
-{
-    H264Context *h = avctx->priv_data;
-    MpegEncContext *s = &h->s;
-    AVFrame *pict = data;
-    int buf_index;
-
-    s->flags= avctx->flags;
-    s->flags2= avctx->flags2;
-
-   /* no supplementary picture */
-    if (buf_size == 0) {
-        Picture *out;
-        int i, out_idx;
-
-//FIXME factorize this with the output code below
-        out = h->delayed_pic[0];
-        out_idx = 0;
-        for(i=1; h->delayed_pic[i] && !h->delayed_pic[i]->key_frame; i++)
-            if(h->delayed_pic[i]->poc < out->poc){
-                out = h->delayed_pic[i];
-                out_idx = i;
-            }
-
-        for(i=out_idx; h->delayed_pic[i]; i++)
-            h->delayed_pic[i] = h->delayed_pic[i+1];
-
-        if(out){
-            *data_size = sizeof(AVFrame);
-            *pict= *(AVFrame*)out;
-        }
-
-        return 0;
-    }
-
-    if(s->flags&CODEC_FLAG_TRUNCATED){
-        int next= find_frame_end(h, buf, buf_size);
-
-        if( ff_combine_frame(&s->parse_context, next, (const uint8_t **)&buf, &buf_size) < 0 )
-            return buf_size;
-//printf("next:%d buf_size:%d last_index:%d\n", next, buf_size, s->parse_context.last_index);
-    }
-
-    if(h->is_avc && !h->got_avcC) {
-        int i, cnt, nalsize;
-        unsigned char *p = avctx->extradata;
-        if(avctx->extradata_size < 7) {
-            av_log(avctx, AV_LOG_ERROR, "avcC too short\n");
-            return -1;
-        }
-        if(*p != 1) {
-            av_log(avctx, AV_LOG_ERROR, "Unknown avcC version %d\n", *p);
-            return -1;
-        }
-        /* sps and pps in the avcC always have length coded with 2 bytes,
-           so put a fake nal_length_size = 2 while parsing them */
-        h->nal_length_size = 2;
-        // Decode sps from avcC
-        cnt = *(p+5) & 0x1f; // Number of sps
-        p += 6;
-        for (i = 0; i < cnt; i++) {
-            nalsize = AV_RB16(p) + 2;
-            if(decode_nal_units(h, p, nalsize) < 0) {
-                av_log(avctx, AV_LOG_ERROR, "Decoding sps %d from avcC failed\n", i);
-                return -1;
-            }
-            p += nalsize;
-        }
-        // Decode pps from avcC
-        cnt = *(p++); // Number of pps
-        for (i = 0; i < cnt; i++) {
-            nalsize = AV_RB16(p) + 2;
-            if(decode_nal_units(h, p, nalsize)  != nalsize) {
-                av_log(avctx, AV_LOG_ERROR, "Decoding pps %d from avcC failed\n", i);
-                return -1;
-            }
-            p += nalsize;
-        }
-        // Now store right nal length size, that will be use to parse all other nals
-        h->nal_length_size = ((*(((char*)(avctx->extradata))+4))&0x03)+1;
-        // Do not reparse avcC
-        h->got_avcC = 1;
-    }
-
-    if(avctx->frame_number==0 && !h->is_avc && s->avctx->extradata_size){
-        if(decode_nal_units(h, s->avctx->extradata, s->avctx->extradata_size) < 0)
-            return -1;
-    }
-
-    buf_index=decode_nal_units(h, buf, buf_size);
-    if(buf_index < 0)
-        return -1;
-
-    if(!(s->flags2 & CODEC_FLAG2_CHUNKS) && !s->current_picture_ptr){
-        av_log(avctx, AV_LOG_ERROR, "no frame!\n");
-        return -1;
-    }
-
-    if(!(s->flags2 & CODEC_FLAG2_CHUNKS) || (s->mb_y >= s->mb_height && s->mb_height)){
-        Picture *out = s->current_picture_ptr;
-        Picture *cur = s->current_picture_ptr;
-        Picture *prev = h->delayed_output_pic;
-        int i, pics, cross_idr, out_of_order, out_idx;
-
-        s->mb_y= 0;
-
-        s->current_picture_ptr->qscale_type= FF_QSCALE_TYPE_H264;
-        s->current_picture_ptr->pict_type= s->pict_type;
-
-        h->prev_frame_num_offset= h->frame_num_offset;
-        h->prev_frame_num= h->frame_num;
-        if(s->current_picture_ptr->reference){
-            h->prev_poc_msb= h->poc_msb;
-            h->prev_poc_lsb= h->poc_lsb;
-        }
-        if(s->current_picture_ptr->reference)
-            execute_ref_pic_marking(h, h->mmco, h->mmco_index);
-
-        ff_er_frame_end(s);
-
-        MPV_frame_end(s);
-
-    //FIXME do something with unavailable reference frames
-
-#if 0 //decode order
-        *data_size = sizeof(AVFrame);
-#else
-        /* Sort B-frames into display order */
-
-        if(h->sps.bitstream_restriction_flag
-           && s->avctx->has_b_frames < h->sps.num_reorder_frames){
-            s->avctx->has_b_frames = h->sps.num_reorder_frames;
-            s->low_delay = 0;
-        }
-
-        pics = 0;
-        while(h->delayed_pic[pics]) pics++;
-
-        assert(pics+1 < sizeof(h->delayed_pic) / sizeof(h->delayed_pic[0]));
-
-        h->delayed_pic[pics++] = cur;
-        if(cur->reference == 0)
-            cur->reference = 1;
-
-        cross_idr = 0;
-        for(i=0; h->delayed_pic[i]; i++)
-            if(h->delayed_pic[i]->key_frame || h->delayed_pic[i]->poc==0)
-                cross_idr = 1;
-
-        out = h->delayed_pic[0];
-        out_idx = 0;
-        for(i=1; h->delayed_pic[i] && !h->delayed_pic[i]->key_frame; i++)
-            if(h->delayed_pic[i]->poc < out->poc){
-                out = h->delayed_pic[i];
-                out_idx = i;
-            }
-
-        out_of_order = !cross_idr && prev && out->poc < prev->poc;
-        if(h->sps.bitstream_restriction_flag && s->avctx->has_b_frames >= h->sps.num_reorder_frames)
-            { }
-        else if(prev && pics <= s->avctx->has_b_frames)
-            out = prev;
-        else if((out_of_order && pics-1 == s->avctx->has_b_frames && pics < 15)
-           || (s->low_delay &&
-            ((!cross_idr && prev && out->poc > prev->poc + 2)
-             || cur->pict_type == B_TYPE)))
-        {
-            s->low_delay = 0;
-            s->avctx->has_b_frames++;
-            out = prev;
-        }
-        else if(out_of_order)
-            out = prev;
-
-        if(out_of_order || pics > s->avctx->has_b_frames){
-            for(i=out_idx; h->delayed_pic[i]; i++)
-                h->delayed_pic[i] = h->delayed_pic[i+1];
-        }
-
-        if(prev == out)
-            *data_size = 0;
-        else
-            *data_size = sizeof(AVFrame);
-        if(prev && prev != out && prev->reference == 1)
-            prev->reference = 0;
-        h->delayed_output_pic = out;
-#endif
-
-        if(out)
-            *pict= *(AVFrame*)out;
-        else
-            av_log(avctx, AV_LOG_DEBUG, "no picture\n");
-    }
-
-    assert(pict->data[0] || !*data_size);
-    ff_print_debug_info(s, pict);
-//printf("out %d\n", (int)pict->data[0]);
-#if 0 //?
-
-    /* Return the Picture timestamp as the frame number */
-    /* we substract 1 because it is added on utils.c    */
-    avctx->frame_number = s->picture_number - 1;
-#endif
-    return get_consumed_bytes(s, buf_index, buf_size);
-}
-#if 0
-static inline void fill_mb_avail(H264Context *h){
-    MpegEncContext * const s = &h->s;
-    const int mb_xy= s->mb_x + s->mb_y*s->mb_stride;
-
-    if(s->mb_y){
-        h->mb_avail[0]= s->mb_x                 && h->slice_table[mb_xy - s->mb_stride - 1] == h->slice_num;
-        h->mb_avail[1]=                            h->slice_table[mb_xy - s->mb_stride    ] == h->slice_num;
-        h->mb_avail[2]= s->mb_x+1 < s->mb_width && h->slice_table[mb_xy - s->mb_stride + 1] == h->slice_num;
-    }else{
-        h->mb_avail[0]=
-        h->mb_avail[1]=
-        h->mb_avail[2]= 0;
-    }
-    h->mb_avail[3]= s->mb_x && h->slice_table[mb_xy - 1] == h->slice_num;
-    h->mb_avail[4]= 1; //FIXME move out
-    h->mb_avail[5]= 0; //FIXME move out
-}
-#endif
-
-#if 0 //selftest
-#define COUNT 8000
-#define SIZE (COUNT*40)
-int main(){
-    int i;
-    uint8_t temp[SIZE];
-    PutBitContext pb;
-    GetBitContext gb;
-//    int int_temp[10000];
-    DSPContext dsp;
-    AVCodecContext avctx;
-
-    dsputil_init(&dsp, &avctx);
-
-    init_put_bits(&pb, temp, SIZE);
-    printf("testing unsigned exp golomb\n");
-    for(i=0; i<COUNT; i++){
-        START_TIMER
-        set_ue_golomb(&pb, i);
-        STOP_TIMER("set_ue_golomb");
-    }
-    flush_put_bits(&pb);
-
-    init_get_bits(&gb, temp, 8*SIZE);
-    for(i=0; i<COUNT; i++){
-        int j, s;
-
-        s= show_bits(&gb, 24);
-
-        START_TIMER
-        j= get_ue_golomb(&gb);
-        if(j != i){
-            printf("missmatch! at %d (%d should be %d) bits:%6X\n", i, j, i, s);
-//            return -1;
-        }
-        STOP_TIMER("get_ue_golomb");
-    }
-
-
-    init_put_bits(&pb, temp, SIZE);
-    printf("testing signed exp golomb\n");
-    for(i=0; i<COUNT; i++){
-        START_TIMER
-        set_se_golomb(&pb, i - COUNT/2);
-        STOP_TIMER("set_se_golomb");
-    }
-    flush_put_bits(&pb);
-
-    init_get_bits(&gb, temp, 8*SIZE);
-    for(i=0; i<COUNT; i++){
-        int j, s;
-
-        s= show_bits(&gb, 24);
-
-        START_TIMER
-        j= get_se_golomb(&gb);
-        if(j != i - COUNT/2){
-            printf("missmatch! at %d (%d should be %d) bits:%6X\n", i, j, i, s);
-//            return -1;
-        }
-        STOP_TIMER("get_se_golomb");
-    }
-
-    printf("testing 4x4 (I)DCT\n");
-
-    DCTELEM block[16];
-    uint8_t src[16], ref[16];
-    uint64_t error= 0, max_error=0;
-
-    for(i=0; i<COUNT; i++){
-        int j;
-//        printf("%d %d %d\n", r1, r2, (r2-r1)*16);
-        for(j=0; j<16; j++){
-            ref[j]= random()%255;
-            src[j]= random()%255;
-        }
-
-        h264_diff_dct_c(block, src, ref, 4);
-
-        //normalize
-        for(j=0; j<16; j++){
-//            printf("%d ", block[j]);
-            block[j]= block[j]*4;
-            if(j&1) block[j]= (block[j]*4 + 2)/5;
-            if(j&4) block[j]= (block[j]*4 + 2)/5;
-        }
-//        printf("\n");
-
-        s->dsp.h264_idct_add(ref, block, 4);
-/*        for(j=0; j<16; j++){
-            printf("%d ", ref[j]);
-        }
-        printf("\n");*/
-
-        for(j=0; j<16; j++){
-            int diff= FFABS(src[j] - ref[j]);
-
-            error+= diff*diff;
-            max_error= FFMAX(max_error, diff);
-        }
-    }
-    printf("error=%f max_error=%d\n", ((float)error)/COUNT/16, (int)max_error );
-#if 0
-    printf("testing quantizer\n");
-    for(qp=0; qp<52; qp++){
-        for(i=0; i<16; i++)
-            src1_block[i]= src2_block[i]= random()%255;
-
-    }
-#endif
-    printf("Testing NAL layer\n");
-
-    uint8_t bitstream[COUNT];
-    uint8_t nal[COUNT*2];
-    H264Context h;
-    memset(&h, 0, sizeof(H264Context));
-
-    for(i=0; i<COUNT; i++){
-        int zeros= i;
-        int nal_length;
-        int consumed;
-        int out_length;
-        uint8_t *out;
-        int j;
-
-        for(j=0; j<COUNT; j++){
-            bitstream[j]= (random() % 255) + 1;
-        }
-
-        for(j=0; j<zeros; j++){
-            int pos= random() % COUNT;
-            while(bitstream[pos] == 0){
-                pos++;
-                pos %= COUNT;
-            }
-            bitstream[pos]=0;
-        }
-
-        START_TIMER
-
-        nal_length= encode_nal(&h, nal, bitstream, COUNT, COUNT*2);
-        if(nal_length<0){
-            printf("encoding failed\n");
-            return -1;
-        }
-
-        out= decode_nal(&h, nal, &out_length, &consumed, nal_length);
-
-        STOP_TIMER("NAL")
-
-        if(out_length != COUNT){
-            printf("incorrect length %d %d\n", out_length, COUNT);
-            return -1;
-        }
-
-        if(consumed != nal_length){
-            printf("incorrect consumed length %d %d\n", nal_length, consumed);
-            return -1;
-        }
-
-        if(memcmp(bitstream, out, COUNT)){
-            printf("missmatch\n");
-            return -1;
-        }
-    }
-
-    printf("Testing RBSP\n");
-
-
-    return 0;
-}
-#endif
-
-
-static int decode_end(AVCodecContext *avctx)
-{
-    H264Context *h = avctx->priv_data;
-    MpegEncContext *s = &h->s;
-
-    av_freep(&h->rbsp_buffer);
-    free_tables(h); //FIXME cleanup init stuff perhaps
-    MPV_common_end(s);
-
-//    memset(h, 0, sizeof(H264Context));
-
-    return 0;
-}
-
-
-AVCodec h264_decoder = {
-    "h264",
-    CODEC_TYPE_VIDEO,
-    CODEC_ID_H264,
-    sizeof(H264Context),
-    decode_init,
-    NULL,
-    decode_end,
-    decode_frame,
-    /*CODEC_CAP_DRAW_HORIZ_BAND |*/ CODEC_CAP_DR1 | CODEC_CAP_TRUNCATED | CODEC_CAP_DELAY,
-    .flush= flush_dpb,
-};
-
-#ifdef CONFIG_H264_PARSER
-AVCodecParser h264_parser = {
-    { CODEC_ID_H264 },
-    sizeof(H264Context),
-    NULL,
-    h264_parse,
-    ff_parse_close,
-    h264_split,
-};
-#endif
-
-#include "svq3.c"
+#endif /* H264_H */

Copied: trunk/libavcodec/h264_parser.c (from r8983, /trunk/libavcodec/h264.c)
==============================================================================
--- /trunk/libavcodec/h264.c	(original)
+++ trunk/libavcodec/h264_parser.c	Fri May 11 00:26:44 2007
@@ -1,5 +1,5 @@
 /*
- * H.26L/H.264/AVC/JVT/14496-10/... encoder/decoder
+ * H.26L/H.264/AVC/JVT/14496-10/... parser
  * Copyright (c) 2003 Michael Niedermayer <michaelni at gmx.at>
  *
  * This file is part of FFmpeg.
@@ -21,7972 +21,19 @@
  */
 
 /**
- * @file h264.c
- * H.264 / AVC / MPEG4 part10 codec.
+ * @file h264_parser.c
+ * H.264 / AVC / MPEG4 part10 parser.
  * @author Michael Niedermayer <michaelni at gmx.at>
  */
 
-#include "common.h"
-#include "dsputil.h"
-#include "avcodec.h"
-#include "mpegvideo.h"
-#include "h264data.h"
-#include "golomb.h"
-
-#include "cabac.h"
+#include "parser.h"
+#include "h264_parser.h"
 
-//#undef NDEBUG
 #include <assert.h>
 
-#define interlaced_dct interlaced_dct_is_a_bad_name
-#define mb_intra mb_intra_isnt_initalized_see_mb_type
-
-#define LUMA_DC_BLOCK_INDEX   25
-#define CHROMA_DC_BLOCK_INDEX 26
-
-#define CHROMA_DC_COEFF_TOKEN_VLC_BITS 8
-#define COEFF_TOKEN_VLC_BITS           8
-#define TOTAL_ZEROS_VLC_BITS           9
-#define CHROMA_DC_TOTAL_ZEROS_VLC_BITS 3
-#define RUN_VLC_BITS                   3
-#define RUN7_VLC_BITS                  6
-
-#define MAX_SPS_COUNT 32
-#define MAX_PPS_COUNT 256
-
-#define MAX_MMCO_COUNT 66
-
-/* Compiling in interlaced support reduces the speed
- * of progressive decoding by about 2%. */
-#define ALLOW_INTERLACE
-
-#ifdef ALLOW_INTERLACE
-#define MB_MBAFF h->mb_mbaff
-#define MB_FIELD h->mb_field_decoding_flag
-#define FRAME_MBAFF h->mb_aff_frame
-#else
-#define MB_MBAFF 0
-#define MB_FIELD 0
-#define FRAME_MBAFF 0
-#undef  IS_INTERLACED
-#define IS_INTERLACED(mb_type) 0
-#endif
-
-/**
- * Sequence parameter set
- */
-typedef struct SPS{
-
-    int profile_idc;
-    int level_idc;
-    int transform_bypass;              ///< qpprime_y_zero_transform_bypass_flag
-    int log2_max_frame_num;            ///< log2_max_frame_num_minus4 + 4
-    int poc_type;                      ///< pic_order_cnt_type
-    int log2_max_poc_lsb;              ///< log2_max_pic_order_cnt_lsb_minus4
-    int delta_pic_order_always_zero_flag;
-    int offset_for_non_ref_pic;
-    int offset_for_top_to_bottom_field;
-    int poc_cycle_length;              ///< num_ref_frames_in_pic_order_cnt_cycle
-    int ref_frame_count;               ///< num_ref_frames
-    int gaps_in_frame_num_allowed_flag;
-    int mb_width;                      ///< frame_width_in_mbs_minus1 + 1
-    int mb_height;                     ///< frame_height_in_mbs_minus1 + 1
-    int frame_mbs_only_flag;
-    int mb_aff;                        ///<mb_adaptive_frame_field_flag
-    int direct_8x8_inference_flag;
-    int crop;                   ///< frame_cropping_flag
-    int crop_left;              ///< frame_cropping_rect_left_offset
-    int crop_right;             ///< frame_cropping_rect_right_offset
-    int crop_top;               ///< frame_cropping_rect_top_offset
-    int crop_bottom;            ///< frame_cropping_rect_bottom_offset
-    int vui_parameters_present_flag;
-    AVRational sar;
-    int timing_info_present_flag;
-    uint32_t num_units_in_tick;
-    uint32_t time_scale;
-    int fixed_frame_rate_flag;
-    short offset_for_ref_frame[256]; //FIXME dyn aloc?
-    int bitstream_restriction_flag;
-    int num_reorder_frames;
-    int scaling_matrix_present;
-    uint8_t scaling_matrix4[6][16];
-    uint8_t scaling_matrix8[2][64];
-}SPS;
-
-/**
- * Picture parameter set
- */
-typedef struct PPS{
-    unsigned int sps_id;
-    int cabac;                  ///< entropy_coding_mode_flag
-    int pic_order_present;      ///< pic_order_present_flag
-    int slice_group_count;      ///< num_slice_groups_minus1 + 1
-    int mb_slice_group_map_type;
-    unsigned int ref_count[2];  ///< num_ref_idx_l0/1_active_minus1 + 1
-    int weighted_pred;          ///< weighted_pred_flag
-    int weighted_bipred_idc;
-    int init_qp;                ///< pic_init_qp_minus26 + 26
-    int init_qs;                ///< pic_init_qs_minus26 + 26
-    int chroma_qp_index_offset;
-    int deblocking_filter_parameters_present; ///< deblocking_filter_parameters_present_flag
-    int constrained_intra_pred; ///< constrained_intra_pred_flag
-    int redundant_pic_cnt_present; ///< redundant_pic_cnt_present_flag
-    int transform_8x8_mode;     ///< transform_8x8_mode_flag
-    uint8_t scaling_matrix4[6][16];
-    uint8_t scaling_matrix8[2][64];
-}PPS;
-
-/**
- * Memory management control operation opcode.
- */
-typedef enum MMCOOpcode{
-    MMCO_END=0,
-    MMCO_SHORT2UNUSED,
-    MMCO_LONG2UNUSED,
-    MMCO_SHORT2LONG,
-    MMCO_SET_MAX_LONG,
-    MMCO_RESET,
-    MMCO_LONG,
-} MMCOOpcode;
-
-/**
- * Memory management control operation.
- */
-typedef struct MMCO{
-    MMCOOpcode opcode;
-    int short_frame_num;
-    int long_index;
-} MMCO;
-
-/**
- * H264Context
- */
-typedef struct H264Context{
-    MpegEncContext s;
-    int nal_ref_idc;
-    int nal_unit_type;
-    uint8_t *rbsp_buffer;
-    unsigned int rbsp_buffer_size;
-
-    /**
-      * Used to parse AVC variant of h264
-      */
-    int is_avc; ///< this flag is != 0 if codec is avc1
-    int got_avcC; ///< flag used to parse avcC data only once
-    int nal_length_size; ///< Number of bytes used for nal length (1, 2 or 4)
-
-    int chroma_qp; //QPc
-
-    int prev_mb_skipped;
-    int next_mb_skipped;
-
-    //prediction stuff
-    int chroma_pred_mode;
-    int intra16x16_pred_mode;
-
-    int top_mb_xy;
-    int left_mb_xy[2];
-
-    int8_t intra4x4_pred_mode_cache[5*8];
-    int8_t (*intra4x4_pred_mode)[8];
-    void (*pred4x4  [9+3])(uint8_t *src, uint8_t *topright, int stride);//FIXME move to dsp?
-    void (*pred8x8l [9+3])(uint8_t *src, int topleft, int topright, int stride);
-    void (*pred8x8  [4+3])(uint8_t *src, int stride);
-    void (*pred16x16[4+3])(uint8_t *src, int stride);
-    unsigned int topleft_samples_available;
-    unsigned int top_samples_available;
-    unsigned int topright_samples_available;
-    unsigned int left_samples_available;
-    uint8_t (*top_borders[2])[16+2*8];
-    uint8_t left_border[2*(17+2*9)];
-
-    /**
-     * non zero coeff count cache.
-     * is 64 if not available.
-     */
-    DECLARE_ALIGNED_8(uint8_t, non_zero_count_cache[6*8]);
-    uint8_t (*non_zero_count)[16];
-
-    /**
-     * Motion vector cache.
-     */
-    DECLARE_ALIGNED_8(int16_t, mv_cache[2][5*8][2]);
-    DECLARE_ALIGNED_8(int8_t, ref_cache[2][5*8]);
-#define LIST_NOT_USED -1 //FIXME rename?
-#define PART_NOT_AVAILABLE -2
-
-    /**
-     * is 1 if the specific list MV&references are set to 0,0,-2.
-     */
-    int mv_cache_clean[2];
-
-    /**
-     * number of neighbors (top and/or left) that used 8x8 dct
-     */
-    int neighbor_transform_size;
-
-    /**
-     * block_offset[ 0..23] for frame macroblocks
-     * block_offset[24..47] for field macroblocks
-     */
-    int block_offset[2*(16+8)];
-
-    uint32_t *mb2b_xy; //FIXME are these 4 a good idea?
-    uint32_t *mb2b8_xy;
-    int b_stride; //FIXME use s->b4_stride
-    int b8_stride;
-
-    int mb_linesize;   ///< may be equal to s->linesize or s->linesize*2, for mbaff
-    int mb_uvlinesize;
-
-    int emu_edge_width;
-    int emu_edge_height;
-
-    int halfpel_flag;
-    int thirdpel_flag;
-
-    int unknown_svq3_flag;
-    int next_slice_index;
-
-    SPS sps_buffer[MAX_SPS_COUNT];
-    SPS sps; ///< current sps
-
-    PPS pps_buffer[MAX_PPS_COUNT];
-    /**
-     * current pps
-     */
-    PPS pps; //FIXME move to Picture perhaps? (->no) do we need that?
-
-    uint32_t dequant4_buffer[6][52][16];
-    uint32_t dequant8_buffer[2][52][64];
-    uint32_t (*dequant4_coeff[6])[16];
-    uint32_t (*dequant8_coeff[2])[64];
-    int dequant_coeff_pps;     ///< reinit tables when pps changes
-
-    int slice_num;
-    uint8_t *slice_table_base;
-    uint8_t *slice_table;      ///< slice_table_base + 2*mb_stride + 1
-    int slice_type;
-    int slice_type_fixed;
-
-    //interlacing specific flags
-    int mb_aff_frame;
-    int mb_field_decoding_flag;
-    int mb_mbaff;              ///< mb_aff_frame && mb_field_decoding_flag
-
-    unsigned int sub_mb_type[4];
-
-    //POC stuff
-    int poc_lsb;
-    int poc_msb;
-    int delta_poc_bottom;
-    int delta_poc[2];
-    int frame_num;
-    int prev_poc_msb;             ///< poc_msb of the last reference pic for POC type 0
-    int prev_poc_lsb;             ///< poc_lsb of the last reference pic for POC type 0
-    int frame_num_offset;         ///< for POC type 2
-    int prev_frame_num_offset;    ///< for POC type 2
-    int prev_frame_num;           ///< frame_num of the last pic for POC type 1/2
-
-    /**
-     * frame_num for frames or 2*frame_num for field pics.
-     */
-    int curr_pic_num;
-
-    /**
-     * max_frame_num or 2*max_frame_num for field pics.
-     */
-    int max_pic_num;
-
-    //Weighted pred stuff
-    int use_weight;
-    int use_weight_chroma;
-    int luma_log2_weight_denom;
-    int chroma_log2_weight_denom;
-    int luma_weight[2][48];
-    int luma_offset[2][48];
-    int chroma_weight[2][48][2];
-    int chroma_offset[2][48][2];
-    int implicit_weight[48][48];
-
-    //deblock
-    int deblocking_filter;         ///< disable_deblocking_filter_idc with 1<->0
-    int slice_alpha_c0_offset;
-    int slice_beta_offset;
-
-    int redundant_pic_count;
-
-    int direct_spatial_mv_pred;
-    int dist_scale_factor[16];
-    int dist_scale_factor_field[32];
-    int map_col_to_list0[2][16];
-    int map_col_to_list0_field[2][32];
-
-    /**
-     * num_ref_idx_l0/1_active_minus1 + 1
-     */
-    unsigned int ref_count[2];   ///< counts frames or fields, depending on current mb mode
-    unsigned int list_count;
-    Picture *short_ref[32];
-    Picture *long_ref[32];
-    Picture default_ref_list[2][32];
-    Picture ref_list[2][48];     ///< 0..15: frame refs, 16..47: mbaff field refs
-    Picture *delayed_pic[18]; //FIXME size?
-    Picture *delayed_output_pic;
-
-    /**
-     * memory management control operations buffer.
-     */
-    MMCO mmco[MAX_MMCO_COUNT];
-    int mmco_index;
-
-    int long_ref_count;  ///< number of actual long term references
-    int short_ref_count; ///< number of actual short term references
-
-    //data partitioning
-    GetBitContext intra_gb;
-    GetBitContext inter_gb;
-    GetBitContext *intra_gb_ptr;
-    GetBitContext *inter_gb_ptr;
-
-    DECLARE_ALIGNED_8(DCTELEM, mb[16*24]);
-    DCTELEM mb_padding[256];        ///< as mb is addressed by scantable[i] and scantable is uint8_t we can either check that i is not to large or ensure that there is some unused stuff after mb
-
-    /**
-     * Cabac
-     */
-    CABACContext cabac;
-    uint8_t      cabac_state[460];
-    int          cabac_init_idc;
-
-    /* 0x100 -> non null luma_dc, 0x80/0x40 -> non null chroma_dc (cb/cr), 0x?0 -> chroma_cbp(0,1,2), 0x0? luma_cbp */
-    uint16_t     *cbp_table;
-    int cbp;
-    int top_cbp;
-    int left_cbp;
-    /* chroma_pred_mode for i4x4 or i16x16, else 0 */
-    uint8_t     *chroma_pred_mode_table;
-    int         last_qscale_diff;
-    int16_t     (*mvd_table[2])[2];
-    DECLARE_ALIGNED_8(int16_t, mvd_cache[2][5*8][2]);
-    uint8_t     *direct_table;
-    uint8_t     direct_cache[5*8];
-
-    uint8_t zigzag_scan[16];
-    uint8_t zigzag_scan8x8[64];
-    uint8_t zigzag_scan8x8_cavlc[64];
-    uint8_t field_scan[16];
-    uint8_t field_scan8x8[64];
-    uint8_t field_scan8x8_cavlc[64];
-    const uint8_t *zigzag_scan_q0;
-    const uint8_t *zigzag_scan8x8_q0;
-    const uint8_t *zigzag_scan8x8_cavlc_q0;
-    const uint8_t *field_scan_q0;
-    const uint8_t *field_scan8x8_q0;
-    const uint8_t *field_scan8x8_cavlc_q0;
-
-    int x264_build;
-}H264Context;
-
-static VLC coeff_token_vlc[4];
-static VLC chroma_dc_coeff_token_vlc;
-
-static VLC total_zeros_vlc[15];
-static VLC chroma_dc_total_zeros_vlc[3];
-
-static VLC run_vlc[6];
-static VLC run7_vlc;
-
-static void svq3_luma_dc_dequant_idct_c(DCTELEM *block, int qp);
-static void svq3_add_idct_c(uint8_t *dst, DCTELEM *block, int stride, int qp, int dc);
-static void filter_mb( H264Context *h, int mb_x, int mb_y, uint8_t *img_y, uint8_t *img_cb, uint8_t *img_cr, unsigned int linesize, unsigned int uvlinesize);
-static void filter_mb_fast( H264Context *h, int mb_x, int mb_y, uint8_t *img_y, uint8_t *img_cb, uint8_t *img_cr, unsigned int linesize, unsigned int uvlinesize);
-
-static av_always_inline uint32_t pack16to32(int a, int b){
-#ifdef WORDS_BIGENDIAN
-   return (b&0xFFFF) + (a<<16);
-#else
-   return (a&0xFFFF) + (b<<16);
-#endif
-}
-
-const uint8_t ff_rem6[52]={
-0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3,
-};
-
-const uint8_t ff_div6[52]={
-0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 8, 8, 8, 8,
-};
-
-
-/**
- * fill a rectangle.
- * @param h height of the rectangle, should be a constant
- * @param w width of the rectangle, should be a constant
- * @param size the size of val (1 or 4), should be a constant
- */
-static av_always_inline void fill_rectangle(void *vp, int w, int h, int stride, uint32_t val, int size){
-    uint8_t *p= (uint8_t*)vp;
-    assert(size==1 || size==4);
-    assert(w<=4);
-
-    w      *= size;
-    stride *= size;
-
-    assert((((long)vp)&(FFMIN(w, STRIDE_ALIGN)-1)) == 0);
-    assert((stride&(w-1))==0);
-    if(w==2){
-        const uint16_t v= size==4 ? val : val*0x0101;
-        *(uint16_t*)(p + 0*stride)= v;
-        if(h==1) return;
-        *(uint16_t*)(p + 1*stride)= v;
-        if(h==2) return;
-        *(uint16_t*)(p + 2*stride)=
-        *(uint16_t*)(p + 3*stride)= v;
-    }else if(w==4){
-        const uint32_t v= size==4 ? val : val*0x01010101;
-        *(uint32_t*)(p + 0*stride)= v;
-        if(h==1) return;
-        *(uint32_t*)(p + 1*stride)= v;
-        if(h==2) return;
-        *(uint32_t*)(p + 2*stride)=
-        *(uint32_t*)(p + 3*stride)= v;
-    }else if(w==8){
-    //gcc can't optimize 64bit math on x86_32
-#if defined(ARCH_X86_64) || (defined(MP_WORDSIZE) && MP_WORDSIZE >= 64)
-        const uint64_t v= val*0x0100000001ULL;
-        *(uint64_t*)(p + 0*stride)= v;
-        if(h==1) return;
-        *(uint64_t*)(p + 1*stride)= v;
-        if(h==2) return;
-        *(uint64_t*)(p + 2*stride)=
-        *(uint64_t*)(p + 3*stride)= v;
-    }else if(w==16){
-        const uint64_t v= val*0x0100000001ULL;
-        *(uint64_t*)(p + 0+0*stride)=
-        *(uint64_t*)(p + 8+0*stride)=
-        *(uint64_t*)(p + 0+1*stride)=
-        *(uint64_t*)(p + 8+1*stride)= v;
-        if(h==2) return;
-        *(uint64_t*)(p + 0+2*stride)=
-        *(uint64_t*)(p + 8+2*stride)=
-        *(uint64_t*)(p + 0+3*stride)=
-        *(uint64_t*)(p + 8+3*stride)= v;
-#else
-        *(uint32_t*)(p + 0+0*stride)=
-        *(uint32_t*)(p + 4+0*stride)= val;
-        if(h==1) return;
-        *(uint32_t*)(p + 0+1*stride)=
-        *(uint32_t*)(p + 4+1*stride)= val;
-        if(h==2) return;
-        *(uint32_t*)(p + 0+2*stride)=
-        *(uint32_t*)(p + 4+2*stride)=
-        *(uint32_t*)(p + 0+3*stride)=
-        *(uint32_t*)(p + 4+3*stride)= val;
-    }else if(w==16){
-        *(uint32_t*)(p + 0+0*stride)=
-        *(uint32_t*)(p + 4+0*stride)=
-        *(uint32_t*)(p + 8+0*stride)=
-        *(uint32_t*)(p +12+0*stride)=
-        *(uint32_t*)(p + 0+1*stride)=
-        *(uint32_t*)(p + 4+1*stride)=
-        *(uint32_t*)(p + 8+1*stride)=
-        *(uint32_t*)(p +12+1*stride)= val;
-        if(h==2) return;
-        *(uint32_t*)(p + 0+2*stride)=
-        *(uint32_t*)(p + 4+2*stride)=
-        *(uint32_t*)(p + 8+2*stride)=
-        *(uint32_t*)(p +12+2*stride)=
-        *(uint32_t*)(p + 0+3*stride)=
-        *(uint32_t*)(p + 4+3*stride)=
-        *(uint32_t*)(p + 8+3*stride)=
-        *(uint32_t*)(p +12+3*stride)= val;
-#endif
-    }else
-        assert(0);
-    assert(h==4);
-}
-
-static void fill_caches(H264Context *h, int mb_type, int for_deblock){
-    MpegEncContext * const s = &h->s;
-    const int mb_xy= s->mb_x + s->mb_y*s->mb_stride;
-    int topleft_xy, top_xy, topright_xy, left_xy[2];
-    int topleft_type, top_type, topright_type, left_type[2];
-    int left_block[8];
-    int i;
-
-    //FIXME deblocking could skip the intra and nnz parts.
-    if(for_deblock && (h->slice_num == 1 || h->slice_table[mb_xy] == h->slice_table[mb_xy-s->mb_stride]) && !FRAME_MBAFF)
-        return;
-
-    //wow what a mess, why didn't they simplify the interlacing&intra stuff, i can't imagine that these complex rules are worth it
-
-    top_xy     = mb_xy  - s->mb_stride;
-    topleft_xy = top_xy - 1;
-    topright_xy= top_xy + 1;
-    left_xy[1] = left_xy[0] = mb_xy-1;
-    left_block[0]= 0;
-    left_block[1]= 1;
-    left_block[2]= 2;
-    left_block[3]= 3;
-    left_block[4]= 7;
-    left_block[5]= 10;
-    left_block[6]= 8;
-    left_block[7]= 11;
-    if(FRAME_MBAFF){
-        const int pair_xy          = s->mb_x     + (s->mb_y & ~1)*s->mb_stride;
-        const int top_pair_xy      = pair_xy     - s->mb_stride;
-        const int topleft_pair_xy  = top_pair_xy - 1;
-        const int topright_pair_xy = top_pair_xy + 1;
-        const int topleft_mb_frame_flag  = !IS_INTERLACED(s->current_picture.mb_type[topleft_pair_xy]);
-        const int top_mb_frame_flag      = !IS_INTERLACED(s->current_picture.mb_type[top_pair_xy]);
-        const int topright_mb_frame_flag = !IS_INTERLACED(s->current_picture.mb_type[topright_pair_xy]);
-        const int left_mb_frame_flag = !IS_INTERLACED(s->current_picture.mb_type[pair_xy-1]);
-        const int curr_mb_frame_flag = !IS_INTERLACED(mb_type);
-        const int bottom = (s->mb_y & 1);
-        tprintf(s->avctx, "fill_caches: curr_mb_frame_flag:%d, left_mb_frame_flag:%d, topleft_mb_frame_flag:%d, top_mb_frame_flag:%d, topright_mb_frame_flag:%d\n", curr_mb_frame_flag, left_mb_frame_flag, topleft_mb_frame_flag, top_mb_frame_flag, topright_mb_frame_flag);
-        if (bottom
-                ? !curr_mb_frame_flag // bottom macroblock
-                : (!curr_mb_frame_flag && !top_mb_frame_flag) // top macroblock
-                ) {
-            top_xy -= s->mb_stride;
-        }
-        if (bottom
-                ? !curr_mb_frame_flag // bottom macroblock
-                : (!curr_mb_frame_flag && !topleft_mb_frame_flag) // top macroblock
-                ) {
-            topleft_xy -= s->mb_stride;
-        }
-        if (bottom
-                ? !curr_mb_frame_flag // bottom macroblock
-                : (!curr_mb_frame_flag && !topright_mb_frame_flag) // top macroblock
-                ) {
-            topright_xy -= s->mb_stride;
-        }
-        if (left_mb_frame_flag != curr_mb_frame_flag) {
-            left_xy[1] = left_xy[0] = pair_xy - 1;
-            if (curr_mb_frame_flag) {
-                if (bottom) {
-                    left_block[0]= 2;
-                    left_block[1]= 2;
-                    left_block[2]= 3;
-                    left_block[3]= 3;
-                    left_block[4]= 8;
-                    left_block[5]= 11;
-                    left_block[6]= 8;
-                    left_block[7]= 11;
-                } else {
-                    left_block[0]= 0;
-                    left_block[1]= 0;
-                    left_block[2]= 1;
-                    left_block[3]= 1;
-                    left_block[4]= 7;
-                    left_block[5]= 10;
-                    left_block[6]= 7;
-                    left_block[7]= 10;
-                }
-            } else {
-                left_xy[1] += s->mb_stride;
-                //left_block[0]= 0;
-                left_block[1]= 2;
-                left_block[2]= 0;
-                left_block[3]= 2;
-                //left_block[4]= 7;
-                left_block[5]= 10;
-                left_block[6]= 7;
-                left_block[7]= 10;
-            }
-        }
-    }
-
-    h->top_mb_xy = top_xy;
-    h->left_mb_xy[0] = left_xy[0];
-    h->left_mb_xy[1] = left_xy[1];
-    if(for_deblock){
-        topleft_type = 0;
-        topright_type = 0;
-        top_type     = h->slice_table[top_xy     ] < 255 ? s->current_picture.mb_type[top_xy]     : 0;
-        left_type[0] = h->slice_table[left_xy[0] ] < 255 ? s->current_picture.mb_type[left_xy[0]] : 0;
-        left_type[1] = h->slice_table[left_xy[1] ] < 255 ? s->current_picture.mb_type[left_xy[1]] : 0;
-
-        if(FRAME_MBAFF && !IS_INTRA(mb_type)){
-            int list;
-            int v = *(uint16_t*)&h->non_zero_count[mb_xy][14];
-            for(i=0; i<16; i++)
-                h->non_zero_count_cache[scan8[i]] = (v>>i)&1;
-            for(list=0; list<h->list_count; list++){
-                if(USES_LIST(mb_type,list)){
-                    uint32_t *src = (uint32_t*)s->current_picture.motion_val[list][h->mb2b_xy[mb_xy]];
-                    uint32_t *dst = (uint32_t*)h->mv_cache[list][scan8[0]];
-                    int8_t *ref = &s->current_picture.ref_index[list][h->mb2b8_xy[mb_xy]];
-                    for(i=0; i<4; i++, dst+=8, src+=h->b_stride){
-                        dst[0] = src[0];
-                        dst[1] = src[1];
-                        dst[2] = src[2];
-                        dst[3] = src[3];
-                    }
-                    *(uint32_t*)&h->ref_cache[list][scan8[ 0]] =
-                    *(uint32_t*)&h->ref_cache[list][scan8[ 2]] = pack16to32(ref[0],ref[1])*0x0101;
-                    ref += h->b8_stride;
-                    *(uint32_t*)&h->ref_cache[list][scan8[ 8]] =
-                    *(uint32_t*)&h->ref_cache[list][scan8[10]] = pack16to32(ref[0],ref[1])*0x0101;
-                }else{
-                    fill_rectangle(&h-> mv_cache[list][scan8[ 0]], 4, 4, 8, 0, 4);
-                    fill_rectangle(&h->ref_cache[list][scan8[ 0]], 4, 4, 8, (uint8_t)LIST_NOT_USED, 1);
-                }
-            }
-        }
-    }else{
-        topleft_type = h->slice_table[topleft_xy ] == h->slice_num ? s->current_picture.mb_type[topleft_xy] : 0;
-        top_type     = h->slice_table[top_xy     ] == h->slice_num ? s->current_picture.mb_type[top_xy]     : 0;
-        topright_type= h->slice_table[topright_xy] == h->slice_num ? s->current_picture.mb_type[topright_xy]: 0;
-        left_type[0] = h->slice_table[left_xy[0] ] == h->slice_num ? s->current_picture.mb_type[left_xy[0]] : 0;
-        left_type[1] = h->slice_table[left_xy[1] ] == h->slice_num ? s->current_picture.mb_type[left_xy[1]] : 0;
-    }
-
-    if(IS_INTRA(mb_type)){
-        h->topleft_samples_available=
-        h->top_samples_available=
-        h->left_samples_available= 0xFFFF;
-        h->topright_samples_available= 0xEEEA;
-
-        if(!IS_INTRA(top_type) && (top_type==0 || h->pps.constrained_intra_pred)){
-            h->topleft_samples_available= 0xB3FF;
-            h->top_samples_available= 0x33FF;
-            h->topright_samples_available= 0x26EA;
-        }
-        for(i=0; i<2; i++){
-            if(!IS_INTRA(left_type[i]) && (left_type[i]==0 || h->pps.constrained_intra_pred)){
-                h->topleft_samples_available&= 0xDF5F;
-                h->left_samples_available&= 0x5F5F;
-            }
-        }
-
-        if(!IS_INTRA(topleft_type) && (topleft_type==0 || h->pps.constrained_intra_pred))
-            h->topleft_samples_available&= 0x7FFF;
-
-        if(!IS_INTRA(topright_type) && (topright_type==0 || h->pps.constrained_intra_pred))
-            h->topright_samples_available&= 0xFBFF;
-
-        if(IS_INTRA4x4(mb_type)){
-            if(IS_INTRA4x4(top_type)){
-                h->intra4x4_pred_mode_cache[4+8*0]= h->intra4x4_pred_mode[top_xy][4];
-                h->intra4x4_pred_mode_cache[5+8*0]= h->intra4x4_pred_mode[top_xy][5];
-                h->intra4x4_pred_mode_cache[6+8*0]= h->intra4x4_pred_mode[top_xy][6];
-                h->intra4x4_pred_mode_cache[7+8*0]= h->intra4x4_pred_mode[top_xy][3];
-            }else{
-                int pred;
-                if(!top_type || (IS_INTER(top_type) && h->pps.constrained_intra_pred))
-                    pred= -1;
-                else{
-                    pred= 2;
-                }
-                h->intra4x4_pred_mode_cache[4+8*0]=
-                h->intra4x4_pred_mode_cache[5+8*0]=
-                h->intra4x4_pred_mode_cache[6+8*0]=
-                h->intra4x4_pred_mode_cache[7+8*0]= pred;
-            }
-            for(i=0; i<2; i++){
-                if(IS_INTRA4x4(left_type[i])){
-                    h->intra4x4_pred_mode_cache[3+8*1 + 2*8*i]= h->intra4x4_pred_mode[left_xy[i]][left_block[0+2*i]];
-                    h->intra4x4_pred_mode_cache[3+8*2 + 2*8*i]= h->intra4x4_pred_mode[left_xy[i]][left_block[1+2*i]];
-                }else{
-                    int pred;
-                    if(!left_type[i] || (IS_INTER(left_type[i]) && h->pps.constrained_intra_pred))
-                        pred= -1;
-                    else{
-                        pred= 2;
-                    }
-                    h->intra4x4_pred_mode_cache[3+8*1 + 2*8*i]=
-                    h->intra4x4_pred_mode_cache[3+8*2 + 2*8*i]= pred;
-                }
-            }
-        }
-    }
-
-
-/*
-0 . T T. T T T T
-1 L . .L . . . .
-2 L . .L . . . .
-3 . T TL . . . .
-4 L . .L . . . .
-5 L . .. . . . .
-*/
-//FIXME constraint_intra_pred & partitioning & nnz (lets hope this is just a typo in the spec)
-    if(top_type){
-        h->non_zero_count_cache[4+8*0]= h->non_zero_count[top_xy][4];
-        h->non_zero_count_cache[5+8*0]= h->non_zero_count[top_xy][5];
-        h->non_zero_count_cache[6+8*0]= h->non_zero_count[top_xy][6];
-        h->non_zero_count_cache[7+8*0]= h->non_zero_count[top_xy][3];
-
-        h->non_zero_count_cache[1+8*0]= h->non_zero_count[top_xy][9];
-        h->non_zero_count_cache[2+8*0]= h->non_zero_count[top_xy][8];
-
-        h->non_zero_count_cache[1+8*3]= h->non_zero_count[top_xy][12];
-        h->non_zero_count_cache[2+8*3]= h->non_zero_count[top_xy][11];
-
-    }else{
-        h->non_zero_count_cache[4+8*0]=
-        h->non_zero_count_cache[5+8*0]=
-        h->non_zero_count_cache[6+8*0]=
-        h->non_zero_count_cache[7+8*0]=
-
-        h->non_zero_count_cache[1+8*0]=
-        h->non_zero_count_cache[2+8*0]=
-
-        h->non_zero_count_cache[1+8*3]=
-        h->non_zero_count_cache[2+8*3]= h->pps.cabac && !IS_INTRA(mb_type) ? 0 : 64;
-
-    }
-
-    for (i=0; i<2; i++) {
-        if(left_type[i]){
-            h->non_zero_count_cache[3+8*1 + 2*8*i]= h->non_zero_count[left_xy[i]][left_block[0+2*i]];
-            h->non_zero_count_cache[3+8*2 + 2*8*i]= h->non_zero_count[left_xy[i]][left_block[1+2*i]];
-            h->non_zero_count_cache[0+8*1 +   8*i]= h->non_zero_count[left_xy[i]][left_block[4+2*i]];
-            h->non_zero_count_cache[0+8*4 +   8*i]= h->non_zero_count[left_xy[i]][left_block[5+2*i]];
-        }else{
-            h->non_zero_count_cache[3+8*1 + 2*8*i]=
-            h->non_zero_count_cache[3+8*2 + 2*8*i]=
-            h->non_zero_count_cache[0+8*1 +   8*i]=
-            h->non_zero_count_cache[0+8*4 +   8*i]= h->pps.cabac && !IS_INTRA(mb_type) ? 0 : 64;
-        }
-    }
-
-    if( h->pps.cabac ) {
-        // top_cbp
-        if(top_type) {
-            h->top_cbp = h->cbp_table[top_xy];
-        } else if(IS_INTRA(mb_type)) {
-            h->top_cbp = 0x1C0;
-        } else {
-            h->top_cbp = 0;
-        }
-        // left_cbp
-        if (left_type[0]) {
-            h->left_cbp = h->cbp_table[left_xy[0]] & 0x1f0;
-        } else if(IS_INTRA(mb_type)) {
-            h->left_cbp = 0x1C0;
-        } else {
-            h->left_cbp = 0;
-        }
-        if (left_type[0]) {
-            h->left_cbp |= ((h->cbp_table[left_xy[0]]>>((left_block[0]&(~1))+1))&0x1) << 1;
-        }
-        if (left_type[1]) {
-            h->left_cbp |= ((h->cbp_table[left_xy[1]]>>((left_block[2]&(~1))+1))&0x1) << 3;
-        }
-    }
-
-#if 1
-    if(IS_INTER(mb_type) || IS_DIRECT(mb_type)){
-        int list;
-        for(list=0; list<h->list_count; list++){
-            if(!USES_LIST(mb_type, list) && !IS_DIRECT(mb_type) && !h->deblocking_filter){
-                /*if(!h->mv_cache_clean[list]){
-                    memset(h->mv_cache [list],  0, 8*5*2*sizeof(int16_t)); //FIXME clean only input? clean at all?
-                    memset(h->ref_cache[list], PART_NOT_AVAILABLE, 8*5*sizeof(int8_t));
-                    h->mv_cache_clean[list]= 1;
-                }*/
-                continue;
-            }
-            h->mv_cache_clean[list]= 0;
-
-            if(USES_LIST(top_type, list)){
-                const int b_xy= h->mb2b_xy[top_xy] + 3*h->b_stride;
-                const int b8_xy= h->mb2b8_xy[top_xy] + h->b8_stride;
-                *(uint32_t*)h->mv_cache[list][scan8[0] + 0 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + 0];
-                *(uint32_t*)h->mv_cache[list][scan8[0] + 1 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + 1];
-                *(uint32_t*)h->mv_cache[list][scan8[0] + 2 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + 2];
-                *(uint32_t*)h->mv_cache[list][scan8[0] + 3 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + 3];
-                h->ref_cache[list][scan8[0] + 0 - 1*8]=
-                h->ref_cache[list][scan8[0] + 1 - 1*8]= s->current_picture.ref_index[list][b8_xy + 0];
-                h->ref_cache[list][scan8[0] + 2 - 1*8]=
-                h->ref_cache[list][scan8[0] + 3 - 1*8]= s->current_picture.ref_index[list][b8_xy + 1];
-            }else{
-                *(uint32_t*)h->mv_cache [list][scan8[0] + 0 - 1*8]=
-                *(uint32_t*)h->mv_cache [list][scan8[0] + 1 - 1*8]=
-                *(uint32_t*)h->mv_cache [list][scan8[0] + 2 - 1*8]=
-                *(uint32_t*)h->mv_cache [list][scan8[0] + 3 - 1*8]= 0;
-                *(uint32_t*)&h->ref_cache[list][scan8[0] + 0 - 1*8]= ((top_type ? LIST_NOT_USED : PART_NOT_AVAILABLE)&0xFF)*0x01010101;
-            }
-
-            for(i=0; i<2; i++){
-                int cache_idx = scan8[0] - 1 + i*2*8;
-                if(USES_LIST(left_type[i], list)){
-                    const int b_xy= h->mb2b_xy[left_xy[i]] + 3;
-                    const int b8_xy= h->mb2b8_xy[left_xy[i]] + 1;
-                    *(uint32_t*)h->mv_cache[list][cache_idx  ]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + h->b_stride*left_block[0+i*2]];
-                    *(uint32_t*)h->mv_cache[list][cache_idx+8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + h->b_stride*left_block[1+i*2]];
-                    h->ref_cache[list][cache_idx  ]= s->current_picture.ref_index[list][b8_xy + h->b8_stride*(left_block[0+i*2]>>1)];
-                    h->ref_cache[list][cache_idx+8]= s->current_picture.ref_index[list][b8_xy + h->b8_stride*(left_block[1+i*2]>>1)];
-                }else{
-                    *(uint32_t*)h->mv_cache [list][cache_idx  ]=
-                    *(uint32_t*)h->mv_cache [list][cache_idx+8]= 0;
-                    h->ref_cache[list][cache_idx  ]=
-                    h->ref_cache[list][cache_idx+8]= left_type[i] ? LIST_NOT_USED : PART_NOT_AVAILABLE;
-                }
-            }
-
-            if((for_deblock || (IS_DIRECT(mb_type) && !h->direct_spatial_mv_pred)) && !FRAME_MBAFF)
-                continue;
-
-            if(USES_LIST(topleft_type, list)){
-                const int b_xy = h->mb2b_xy[topleft_xy] + 3 + 3*h->b_stride;
-                const int b8_xy= h->mb2b8_xy[topleft_xy] + 1 + h->b8_stride;
-                *(uint32_t*)h->mv_cache[list][scan8[0] - 1 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy];
-                h->ref_cache[list][scan8[0] - 1 - 1*8]= s->current_picture.ref_index[list][b8_xy];
-            }else{
-                *(uint32_t*)h->mv_cache[list][scan8[0] - 1 - 1*8]= 0;
-                h->ref_cache[list][scan8[0] - 1 - 1*8]= topleft_type ? LIST_NOT_USED : PART_NOT_AVAILABLE;
-            }
-
-            if(USES_LIST(topright_type, list)){
-                const int b_xy= h->mb2b_xy[topright_xy] + 3*h->b_stride;
-                const int b8_xy= h->mb2b8_xy[topright_xy] + h->b8_stride;
-                *(uint32_t*)h->mv_cache[list][scan8[0] + 4 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy];
-                h->ref_cache[list][scan8[0] + 4 - 1*8]= s->current_picture.ref_index[list][b8_xy];
-            }else{
-                *(uint32_t*)h->mv_cache [list][scan8[0] + 4 - 1*8]= 0;
-                h->ref_cache[list][scan8[0] + 4 - 1*8]= topright_type ? LIST_NOT_USED : PART_NOT_AVAILABLE;
-            }
-
-            if((IS_SKIP(mb_type) || IS_DIRECT(mb_type)) && !FRAME_MBAFF)
-                continue;
-
-            h->ref_cache[list][scan8[5 ]+1] =
-            h->ref_cache[list][scan8[7 ]+1] =
-            h->ref_cache[list][scan8[13]+1] =  //FIXME remove past 3 (init somewhere else)
-            h->ref_cache[list][scan8[4 ]] =
-            h->ref_cache[list][scan8[12]] = PART_NOT_AVAILABLE;
-            *(uint32_t*)h->mv_cache [list][scan8[5 ]+1]=
-            *(uint32_t*)h->mv_cache [list][scan8[7 ]+1]=
-            *(uint32_t*)h->mv_cache [list][scan8[13]+1]= //FIXME remove past 3 (init somewhere else)
-            *(uint32_t*)h->mv_cache [list][scan8[4 ]]=
-            *(uint32_t*)h->mv_cache [list][scan8[12]]= 0;
-
-            if( h->pps.cabac ) {
-                /* XXX beurk, Load mvd */
-                if(USES_LIST(top_type, list)){
-                    const int b_xy= h->mb2b_xy[top_xy] + 3*h->b_stride;
-                    *(uint32_t*)h->mvd_cache[list][scan8[0] + 0 - 1*8]= *(uint32_t*)h->mvd_table[list][b_xy + 0];
-                    *(uint32_t*)h->mvd_cache[list][scan8[0] + 1 - 1*8]= *(uint32_t*)h->mvd_table[list][b_xy + 1];
-                    *(uint32_t*)h->mvd_cache[list][scan8[0] + 2 - 1*8]= *(uint32_t*)h->mvd_table[list][b_xy + 2];
-                    *(uint32_t*)h->mvd_cache[list][scan8[0] + 3 - 1*8]= *(uint32_t*)h->mvd_table[list][b_xy + 3];
-                }else{
-                    *(uint32_t*)h->mvd_cache [list][scan8[0] + 0 - 1*8]=
-                    *(uint32_t*)h->mvd_cache [list][scan8[0] + 1 - 1*8]=
-                    *(uint32_t*)h->mvd_cache [list][scan8[0] + 2 - 1*8]=
-                    *(uint32_t*)h->mvd_cache [list][scan8[0] + 3 - 1*8]= 0;
-                }
-                if(USES_LIST(left_type[0], list)){
-                    const int b_xy= h->mb2b_xy[left_xy[0]] + 3;
-                    *(uint32_t*)h->mvd_cache[list][scan8[0] - 1 + 0*8]= *(uint32_t*)h->mvd_table[list][b_xy + h->b_stride*left_block[0]];
-                    *(uint32_t*)h->mvd_cache[list][scan8[0] - 1 + 1*8]= *(uint32_t*)h->mvd_table[list][b_xy + h->b_stride*left_block[1]];
-                }else{
-                    *(uint32_t*)h->mvd_cache [list][scan8[0] - 1 + 0*8]=
-                    *(uint32_t*)h->mvd_cache [list][scan8[0] - 1 + 1*8]= 0;
-                }
-                if(USES_LIST(left_type[1], list)){
-                    const int b_xy= h->mb2b_xy[left_xy[1]] + 3;
-                    *(uint32_t*)h->mvd_cache[list][scan8[0] - 1 + 2*8]= *(uint32_t*)h->mvd_table[list][b_xy + h->b_stride*left_block[2]];
-                    *(uint32_t*)h->mvd_cache[list][scan8[0] - 1 + 3*8]= *(uint32_t*)h->mvd_table[list][b_xy + h->b_stride*left_block[3]];
-                }else{
-                    *(uint32_t*)h->mvd_cache [list][scan8[0] - 1 + 2*8]=
-                    *(uint32_t*)h->mvd_cache [list][scan8[0] - 1 + 3*8]= 0;
-                }
-                *(uint32_t*)h->mvd_cache [list][scan8[5 ]+1]=
-                *(uint32_t*)h->mvd_cache [list][scan8[7 ]+1]=
-                *(uint32_t*)h->mvd_cache [list][scan8[13]+1]= //FIXME remove past 3 (init somewhere else)
-                *(uint32_t*)h->mvd_cache [list][scan8[4 ]]=
-                *(uint32_t*)h->mvd_cache [list][scan8[12]]= 0;
-
-                if(h->slice_type == B_TYPE){
-                    fill_rectangle(&h->direct_cache[scan8[0]], 4, 4, 8, 0, 1);
-
-                    if(IS_DIRECT(top_type)){
-                        *(uint32_t*)&h->direct_cache[scan8[0] - 1*8]= 0x01010101;
-                    }else if(IS_8X8(top_type)){
-                        int b8_xy = h->mb2b8_xy[top_xy] + h->b8_stride;
-                        h->direct_cache[scan8[0] + 0 - 1*8]= h->direct_table[b8_xy];
-                        h->direct_cache[scan8[0] + 2 - 1*8]= h->direct_table[b8_xy + 1];
-                    }else{
-                        *(uint32_t*)&h->direct_cache[scan8[0] - 1*8]= 0;
-                    }
-
-                    if(IS_DIRECT(left_type[0]))
-                        h->direct_cache[scan8[0] - 1 + 0*8]= 1;
-                    else if(IS_8X8(left_type[0]))
-                        h->direct_cache[scan8[0] - 1 + 0*8]= h->direct_table[h->mb2b8_xy[left_xy[0]] + 1 + h->b8_stride*(left_block[0]>>1)];
-                    else
-                        h->direct_cache[scan8[0] - 1 + 0*8]= 0;
-
-                    if(IS_DIRECT(left_type[1]))
-                        h->direct_cache[scan8[0] - 1 + 2*8]= 1;
-                    else if(IS_8X8(left_type[1]))
-                        h->direct_cache[scan8[0] - 1 + 2*8]= h->direct_table[h->mb2b8_xy[left_xy[1]] + 1 + h->b8_stride*(left_block[2]>>1)];
-                    else
-                        h->direct_cache[scan8[0] - 1 + 2*8]= 0;
-                }
-            }
-
-            if(FRAME_MBAFF){
-#define MAP_MVS\
-                    MAP_F2F(scan8[0] - 1 - 1*8, topleft_type)\
-                    MAP_F2F(scan8[0] + 0 - 1*8, top_type)\
-                    MAP_F2F(scan8[0] + 1 - 1*8, top_type)\
-                    MAP_F2F(scan8[0] + 2 - 1*8, top_type)\
-                    MAP_F2F(scan8[0] + 3 - 1*8, top_type)\
-                    MAP_F2F(scan8[0] + 4 - 1*8, topright_type)\
-                    MAP_F2F(scan8[0] - 1 + 0*8, left_type[0])\
-                    MAP_F2F(scan8[0] - 1 + 1*8, left_type[0])\
-                    MAP_F2F(scan8[0] - 1 + 2*8, left_type[1])\
-                    MAP_F2F(scan8[0] - 1 + 3*8, left_type[1])
-                if(MB_FIELD){
-#define MAP_F2F(idx, mb_type)\
-                    if(!IS_INTERLACED(mb_type) && h->ref_cache[list][idx] >= 0){\
-                        h->ref_cache[list][idx] <<= 1;\
-                        h->mv_cache[list][idx][1] /= 2;\
-                        h->mvd_cache[list][idx][1] /= 2;\
-                    }
-                    MAP_MVS
-#undef MAP_F2F
-                }else{
-#define MAP_F2F(idx, mb_type)\
-                    if(IS_INTERLACED(mb_type) && h->ref_cache[list][idx] >= 0){\
-                        h->ref_cache[list][idx] >>= 1;\
-                        h->mv_cache[list][idx][1] <<= 1;\
-                        h->mvd_cache[list][idx][1] <<= 1;\
-                    }
-                    MAP_MVS
-#undef MAP_F2F
-                }
-            }
-        }
-    }
-#endif
-
-    h->neighbor_transform_size= !!IS_8x8DCT(top_type) + !!IS_8x8DCT(left_type[0]);
-}
-
-static inline void write_back_intra_pred_mode(H264Context *h){
-    MpegEncContext * const s = &h->s;
-    const int mb_xy= s->mb_x + s->mb_y*s->mb_stride;
-
-    h->intra4x4_pred_mode[mb_xy][0]= h->intra4x4_pred_mode_cache[7+8*1];
-    h->intra4x4_pred_mode[mb_xy][1]= h->intra4x4_pred_mode_cache[7+8*2];
-    h->intra4x4_pred_mode[mb_xy][2]= h->intra4x4_pred_mode_cache[7+8*3];
-    h->intra4x4_pred_mode[mb_xy][3]= h->intra4x4_pred_mode_cache[7+8*4];
-    h->intra4x4_pred_mode[mb_xy][4]= h->intra4x4_pred_mode_cache[4+8*4];
-    h->intra4x4_pred_mode[mb_xy][5]= h->intra4x4_pred_mode_cache[5+8*4];
-    h->intra4x4_pred_mode[mb_xy][6]= h->intra4x4_pred_mode_cache[6+8*4];
-}
-
-/**
- * checks if the top & left blocks are available if needed & changes the dc mode so it only uses the available blocks.
- */
-static inline int check_intra4x4_pred_mode(H264Context *h){
-    MpegEncContext * const s = &h->s;
-    static const int8_t top [12]= {-1, 0,LEFT_DC_PRED,-1,-1,-1,-1,-1, 0};
-    static const int8_t left[12]= { 0,-1, TOP_DC_PRED, 0,-1,-1,-1, 0,-1,DC_128_PRED};
-    int i;
-
-    if(!(h->top_samples_available&0x8000)){
-        for(i=0; i<4; i++){
-            int status= top[ h->intra4x4_pred_mode_cache[scan8[0] + i] ];
-            if(status<0){
-                av_log(h->s.avctx, AV_LOG_ERROR, "top block unavailable for requested intra4x4 mode %d at %d %d\n", status, s->mb_x, s->mb_y);
-                return -1;
-            } else if(status){
-                h->intra4x4_pred_mode_cache[scan8[0] + i]= status;
-            }
-        }
-    }
-
-    if(!(h->left_samples_available&0x8000)){
-        for(i=0; i<4; i++){
-            int status= left[ h->intra4x4_pred_mode_cache[scan8[0] + 8*i] ];
-            if(status<0){
-                av_log(h->s.avctx, AV_LOG_ERROR, "left block unavailable for requested intra4x4 mode %d at %d %d\n", status, s->mb_x, s->mb_y);
-                return -1;
-            } else if(status){
-                h->intra4x4_pred_mode_cache[scan8[0] + 8*i]= status;
-            }
-        }
-    }
-
-    return 0;
-} //FIXME cleanup like next
-
-/**
- * checks if the top & left blocks are available if needed & changes the dc mode so it only uses the available blocks.
- */
-static inline int check_intra_pred_mode(H264Context *h, int mode){
-    MpegEncContext * const s = &h->s;
-    static const int8_t top [7]= {LEFT_DC_PRED8x8, 1,-1,-1};
-    static const int8_t left[7]= { TOP_DC_PRED8x8,-1, 2,-1,DC_128_PRED8x8};
-
-    if(mode > 6U) {
-        av_log(h->s.avctx, AV_LOG_ERROR, "out of range intra chroma pred mode at %d %d\n", s->mb_x, s->mb_y);
-        return -1;
-    }
-
-    if(!(h->top_samples_available&0x8000)){
-        mode= top[ mode ];
-        if(mode<0){
-            av_log(h->s.avctx, AV_LOG_ERROR, "top block unavailable for requested intra mode at %d %d\n", s->mb_x, s->mb_y);
-            return -1;
-        }
-    }
-
-    if(!(h->left_samples_available&0x8000)){
-        mode= left[ mode ];
-        if(mode<0){
-            av_log(h->s.avctx, AV_LOG_ERROR, "left block unavailable for requested intra mode at %d %d\n", s->mb_x, s->mb_y);
-            return -1;
-        }
-    }
-
-    return mode;
-}
-
-/**
- * gets the predicted intra4x4 prediction mode.
- */
-static inline int pred_intra_mode(H264Context *h, int n){
-    const int index8= scan8[n];
-    const int left= h->intra4x4_pred_mode_cache[index8 - 1];
-    const int top = h->intra4x4_pred_mode_cache[index8 - 8];
-    const int min= FFMIN(left, top);
-
-    tprintf(h->s.avctx, "mode:%d %d min:%d\n", left ,top, min);
-
-    if(min<0) return DC_PRED;
-    else      return min;
-}
-
-static inline void write_back_non_zero_count(H264Context *h){
-    MpegEncContext * const s = &h->s;
-    const int mb_xy= s->mb_x + s->mb_y*s->mb_stride;
-
-    h->non_zero_count[mb_xy][0]= h->non_zero_count_cache[7+8*1];
-    h->non_zero_count[mb_xy][1]= h->non_zero_count_cache[7+8*2];
-    h->non_zero_count[mb_xy][2]= h->non_zero_count_cache[7+8*3];
-    h->non_zero_count[mb_xy][3]= h->non_zero_count_cache[7+8*4];
-    h->non_zero_count[mb_xy][4]= h->non_zero_count_cache[4+8*4];
-    h->non_zero_count[mb_xy][5]= h->non_zero_count_cache[5+8*4];
-    h->non_zero_count[mb_xy][6]= h->non_zero_count_cache[6+8*4];
-
-    h->non_zero_count[mb_xy][9]= h->non_zero_count_cache[1+8*2];
-    h->non_zero_count[mb_xy][8]= h->non_zero_count_cache[2+8*2];
-    h->non_zero_count[mb_xy][7]= h->non_zero_count_cache[2+8*1];
-
-    h->non_zero_count[mb_xy][12]=h->non_zero_count_cache[1+8*5];
-    h->non_zero_count[mb_xy][11]=h->non_zero_count_cache[2+8*5];
-    h->non_zero_count[mb_xy][10]=h->non_zero_count_cache[2+8*4];
-
-    if(FRAME_MBAFF){
-        // store all luma nnzs, for deblocking
-        int v = 0, i;
-        for(i=0; i<16; i++)
-            v += (!!h->non_zero_count_cache[scan8[i]]) << i;
-        *(uint16_t*)&h->non_zero_count[mb_xy][14] = v;
-    }
-}
-
-/**
- * gets the predicted number of non zero coefficients.
- * @param n block index
- */
-static inline int pred_non_zero_count(H264Context *h, int n){
-    const int index8= scan8[n];
-    const int left= h->non_zero_count_cache[index8 - 1];
-    const int top = h->non_zero_count_cache[index8 - 8];
-    int i= left + top;
-
-    if(i<64) i= (i+1)>>1;
-
-    tprintf(h->s.avctx, "pred_nnz L%X T%X n%d s%d P%X\n", left, top, n, scan8[n], i&31);
-
-    return i&31;
-}
-
-static inline int fetch_diagonal_mv(H264Context *h, const int16_t **C, int i, int list, int part_width){
-    const int topright_ref= h->ref_cache[list][ i - 8 + part_width ];
-    MpegEncContext *s = &h->s;
-
-    /* there is no consistent mapping of mvs to neighboring locations that will
-     * make mbaff happy, so we can't move all this logic to fill_caches */
-    if(FRAME_MBAFF){
-        const uint32_t *mb_types = s->current_picture_ptr->mb_type;
-        const int16_t *mv;
-        *(uint32_t*)h->mv_cache[list][scan8[0]-2] = 0;
-        *C = h->mv_cache[list][scan8[0]-2];
-
-        if(!MB_FIELD
-           && (s->mb_y&1) && i < scan8[0]+8 && topright_ref != PART_NOT_AVAILABLE){
-            int topright_xy = s->mb_x + (s->mb_y-1)*s->mb_stride + (i == scan8[0]+3);
-            if(IS_INTERLACED(mb_types[topright_xy])){
-#define SET_DIAG_MV(MV_OP, REF_OP, X4, Y4)\
-                const int x4 = X4, y4 = Y4;\
-                const int mb_type = mb_types[(x4>>2)+(y4>>2)*s->mb_stride];\
-                if(!USES_LIST(mb_type,list) && !IS_8X8(mb_type))\
-                    return LIST_NOT_USED;\
-                mv = s->current_picture_ptr->motion_val[list][x4 + y4*h->b_stride];\
-                h->mv_cache[list][scan8[0]-2][0] = mv[0];\
-                h->mv_cache[list][scan8[0]-2][1] = mv[1] MV_OP;\
-                return s->current_picture_ptr->ref_index[list][(x4>>1) + (y4>>1)*h->b8_stride] REF_OP;
-
-                SET_DIAG_MV(*2, >>1, s->mb_x*4+(i&7)-4+part_width, s->mb_y*4-1);
-            }
-        }
-        if(topright_ref == PART_NOT_AVAILABLE
-           && ((s->mb_y&1) || i >= scan8[0]+8) && (i&7)==4
-           && h->ref_cache[list][scan8[0]-1] != PART_NOT_AVAILABLE){
-            if(!MB_FIELD
-               && IS_INTERLACED(mb_types[h->left_mb_xy[0]])){
-                SET_DIAG_MV(*2, >>1, s->mb_x*4-1, (s->mb_y|1)*4+(s->mb_y&1)*2+(i>>4)-1);
-            }
-            if(MB_FIELD
-               && !IS_INTERLACED(mb_types[h->left_mb_xy[0]])
-               && i >= scan8[0]+8){
-                // leftshift will turn LIST_NOT_USED into PART_NOT_AVAILABLE, but that's ok.
-                SET_DIAG_MV(>>1, <<1, s->mb_x*4-1, (s->mb_y&~1)*4 - 1 + ((i-scan8[0])>>3)*2);
-            }
-        }
-#undef SET_DIAG_MV
-    }
-
-    if(topright_ref != PART_NOT_AVAILABLE){
-        *C= h->mv_cache[list][ i - 8 + part_width ];
-        return topright_ref;
-    }else{
-        tprintf(s->avctx, "topright MV not available\n");
-
-        *C= h->mv_cache[list][ i - 8 - 1 ];
-        return h->ref_cache[list][ i - 8 - 1 ];
-    }
-}
-
-/**
- * gets the predicted MV.
- * @param n the block index
- * @param part_width the width of the partition (4, 8,16) -> (1, 2, 4)
- * @param mx the x component of the predicted motion vector
- * @param my the y component of the predicted motion vector
- */
-static inline void pred_motion(H264Context * const h, int n, int part_width, int list, int ref, int * const mx, int * const my){
-    const int index8= scan8[n];
-    const int top_ref=      h->ref_cache[list][ index8 - 8 ];
-    const int left_ref=     h->ref_cache[list][ index8 - 1 ];
-    const int16_t * const A= h->mv_cache[list][ index8 - 1 ];
-    const int16_t * const B= h->mv_cache[list][ index8 - 8 ];
-    const int16_t * C;
-    int diagonal_ref, match_count;
-
-    assert(part_width==1 || part_width==2 || part_width==4);
-
-/* mv_cache
-  B . . A T T T T
-  U . . L . . , .
-  U . . L . . . .
-  U . . L . . , .
-  . . . L . . . .
-*/
-
-    diagonal_ref= fetch_diagonal_mv(h, &C, index8, list, part_width);
-    match_count= (diagonal_ref==ref) + (top_ref==ref) + (left_ref==ref);
-    tprintf(h->s.avctx, "pred_motion match_count=%d\n", match_count);
-    if(match_count > 1){ //most common
-        *mx= mid_pred(A[0], B[0], C[0]);
-        *my= mid_pred(A[1], B[1], C[1]);
-    }else if(match_count==1){
-        if(left_ref==ref){
-            *mx= A[0];
-            *my= A[1];
-        }else if(top_ref==ref){
-            *mx= B[0];
-            *my= B[1];
-        }else{
-            *mx= C[0];
-            *my= C[1];
-        }
-    }else{
-        if(top_ref == PART_NOT_AVAILABLE && diagonal_ref == PART_NOT_AVAILABLE && left_ref != PART_NOT_AVAILABLE){
-            *mx= A[0];
-            *my= A[1];
-        }else{
-            *mx= mid_pred(A[0], B[0], C[0]);
-            *my= mid_pred(A[1], B[1], C[1]);
-        }
-    }
-
-    tprintf(h->s.avctx, "pred_motion (%2d %2d %2d) (%2d %2d %2d) (%2d %2d %2d) -> (%2d %2d %2d) at %2d %2d %d list %d\n", top_ref, B[0], B[1],                    diagonal_ref, C[0], C[1], left_ref, A[0], A[1], ref, *mx, *my, h->s.mb_x, h->s.mb_y, n, list);
-}
-
-/**
- * gets the directionally predicted 16x8 MV.
- * @param n the block index
- * @param mx the x component of the predicted motion vector
- * @param my the y component of the predicted motion vector
- */
-static inline void pred_16x8_motion(H264Context * const h, int n, int list, int ref, int * const mx, int * const my){
-    if(n==0){
-        const int top_ref=      h->ref_cache[list][ scan8[0] - 8 ];
-        const int16_t * const B= h->mv_cache[list][ scan8[0] - 8 ];
-
-        tprintf(h->s.avctx, "pred_16x8: (%2d %2d %2d) at %2d %2d %d list %d\n", top_ref, B[0], B[1], h->s.mb_x, h->s.mb_y, n, list);
-
-        if(top_ref == ref){
-            *mx= B[0];
-            *my= B[1];
-            return;
-        }
-    }else{
-        const int left_ref=     h->ref_cache[list][ scan8[8] - 1 ];
-        const int16_t * const A= h->mv_cache[list][ scan8[8] - 1 ];
-
-        tprintf(h->s.avctx, "pred_16x8: (%2d %2d %2d) at %2d %2d %d list %d\n", left_ref, A[0], A[1], h->s.mb_x, h->s.mb_y, n, list);
-
-        if(left_ref == ref){
-            *mx= A[0];
-            *my= A[1];
-            return;
-        }
-    }
-
-    //RARE
-    pred_motion(h, n, 4, list, ref, mx, my);
-}
-
-/**
- * gets the directionally predicted 8x16 MV.
- * @param n the block index
- * @param mx the x component of the predicted motion vector
- * @param my the y component of the predicted motion vector
- */
-static inline void pred_8x16_motion(H264Context * const h, int n, int list, int ref, int * const mx, int * const my){
-    if(n==0){
-        const int left_ref=      h->ref_cache[list][ scan8[0] - 1 ];
-        const int16_t * const A=  h->mv_cache[list][ scan8[0] - 1 ];
-
-        tprintf(h->s.avctx, "pred_8x16: (%2d %2d %2d) at %2d %2d %d list %d\n", left_ref, A[0], A[1], h->s.mb_x, h->s.mb_y, n, list);
-
-        if(left_ref == ref){
-            *mx= A[0];
-            *my= A[1];
-            return;
-        }
-    }else{
-        const int16_t * C;
-        int diagonal_ref;
-
-        diagonal_ref= fetch_diagonal_mv(h, &C, scan8[4], list, 2);
-
-        tprintf(h->s.avctx, "pred_8x16: (%2d %2d %2d) at %2d %2d %d list %d\n", diagonal_ref, C[0], C[1], h->s.mb_x, h->s.mb_y, n, list);
-
-        if(diagonal_ref == ref){
-            *mx= C[0];
-            *my= C[1];
-            return;
-        }
-    }
-
-    //RARE
-    pred_motion(h, n, 2, list, ref, mx, my);
-}
-
-static inline void pred_pskip_motion(H264Context * const h, int * const mx, int * const my){
-    const int top_ref = h->ref_cache[0][ scan8[0] - 8 ];
-    const int left_ref= h->ref_cache[0][ scan8[0] - 1 ];
-
-    tprintf(h->s.avctx, "pred_pskip: (%d) (%d) at %2d %2d\n", top_ref, left_ref, h->s.mb_x, h->s.mb_y);
-
-    if(top_ref == PART_NOT_AVAILABLE || left_ref == PART_NOT_AVAILABLE
-       || (top_ref == 0  && *(uint32_t*)h->mv_cache[0][ scan8[0] - 8 ] == 0)
-       || (left_ref == 0 && *(uint32_t*)h->mv_cache[0][ scan8[0] - 1 ] == 0)){
-
-        *mx = *my = 0;
-        return;
-    }
-
-    pred_motion(h, 0, 4, 0, 0, mx, my);
-
-    return;
-}
-
-static inline void direct_dist_scale_factor(H264Context * const h){
-    const int poc = h->s.current_picture_ptr->poc;
-    const int poc1 = h->ref_list[1][0].poc;
-    int i;
-    for(i=0; i<h->ref_count[0]; i++){
-        int poc0 = h->ref_list[0][i].poc;
-        int td = av_clip(poc1 - poc0, -128, 127);
-        if(td == 0 /* FIXME || pic0 is a long-term ref */){
-            h->dist_scale_factor[i] = 256;
-        }else{
-            int tb = av_clip(poc - poc0, -128, 127);
-            int tx = (16384 + (FFABS(td) >> 1)) / td;
-            h->dist_scale_factor[i] = av_clip((tb*tx + 32) >> 6, -1024, 1023);
-        }
-    }
-    if(FRAME_MBAFF){
-        for(i=0; i<h->ref_count[0]; i++){
-            h->dist_scale_factor_field[2*i] =
-            h->dist_scale_factor_field[2*i+1] = h->dist_scale_factor[i];
-        }
-    }
-}
-static inline void direct_ref_list_init(H264Context * const h){
-    MpegEncContext * const s = &h->s;
-    Picture * const ref1 = &h->ref_list[1][0];
-    Picture * const cur = s->current_picture_ptr;
-    int list, i, j;
-    if(cur->pict_type == I_TYPE)
-        cur->ref_count[0] = 0;
-    if(cur->pict_type != B_TYPE)
-        cur->ref_count[1] = 0;
-    for(list=0; list<2; list++){
-        cur->ref_count[list] = h->ref_count[list];
-        for(j=0; j<h->ref_count[list]; j++)
-            cur->ref_poc[list][j] = h->ref_list[list][j].poc;
-    }
-    if(cur->pict_type != B_TYPE || h->direct_spatial_mv_pred)
-        return;
-    for(list=0; list<2; list++){
-        for(i=0; i<ref1->ref_count[list]; i++){
-            const int poc = ref1->ref_poc[list][i];
-            h->map_col_to_list0[list][i] = 0; /* bogus; fills in for missing frames */
-            for(j=0; j<h->ref_count[list]; j++)
-                if(h->ref_list[list][j].poc == poc){
-                    h->map_col_to_list0[list][i] = j;
-                    break;
-                }
-        }
-    }
-    if(FRAME_MBAFF){
-        for(list=0; list<2; list++){
-            for(i=0; i<ref1->ref_count[list]; i++){
-                j = h->map_col_to_list0[list][i];
-                h->map_col_to_list0_field[list][2*i] = 2*j;
-                h->map_col_to_list0_field[list][2*i+1] = 2*j+1;
-            }
-        }
-    }
-}
-
-static inline void pred_direct_motion(H264Context * const h, int *mb_type){
-    MpegEncContext * const s = &h->s;
-    const int mb_xy =   s->mb_x +   s->mb_y*s->mb_stride;
-    const int b8_xy = 2*s->mb_x + 2*s->mb_y*h->b8_stride;
-    const int b4_xy = 4*s->mb_x + 4*s->mb_y*h->b_stride;
-    const int mb_type_col = h->ref_list[1][0].mb_type[mb_xy];
-    const int16_t (*l1mv0)[2] = (const int16_t (*)[2]) &h->ref_list[1][0].motion_val[0][b4_xy];
-    const int16_t (*l1mv1)[2] = (const int16_t (*)[2]) &h->ref_list[1][0].motion_val[1][b4_xy];
-    const int8_t *l1ref0 = &h->ref_list[1][0].ref_index[0][b8_xy];
-    const int8_t *l1ref1 = &h->ref_list[1][0].ref_index[1][b8_xy];
-    const int is_b8x8 = IS_8X8(*mb_type);
-    unsigned int sub_mb_type;
-    int i8, i4;
-
-#define MB_TYPE_16x16_OR_INTRA (MB_TYPE_16x16|MB_TYPE_INTRA4x4|MB_TYPE_INTRA16x16|MB_TYPE_INTRA_PCM)
-    if(IS_8X8(mb_type_col) && !h->sps.direct_8x8_inference_flag){
-        /* FIXME save sub mb types from previous frames (or derive from MVs)
-         * so we know exactly what block size to use */
-        sub_mb_type = MB_TYPE_8x8|MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2; /* B_SUB_4x4 */
-        *mb_type =    MB_TYPE_8x8|MB_TYPE_L0L1;
-    }else if(!is_b8x8 && (mb_type_col & MB_TYPE_16x16_OR_INTRA)){
-        sub_mb_type = MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2; /* B_SUB_8x8 */
-        *mb_type =    MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2; /* B_16x16 */
-    }else{
-        sub_mb_type = MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2; /* B_SUB_8x8 */
-        *mb_type =    MB_TYPE_8x8|MB_TYPE_L0L1;
-    }
-    if(!is_b8x8)
-        *mb_type |= MB_TYPE_DIRECT2;
-    if(MB_FIELD)
-        *mb_type |= MB_TYPE_INTERLACED;
-
-    tprintf(s->avctx, "mb_type = %08x, sub_mb_type = %08x, is_b8x8 = %d, mb_type_col = %08x\n", *mb_type, sub_mb_type, is_b8x8, mb_type_col);
-
-    if(h->direct_spatial_mv_pred){
-        int ref[2];
-        int mv[2][2];
-        int list;
-
-        /* FIXME interlacing + spatial direct uses wrong colocated block positions */
-
-        /* ref = min(neighbors) */
-        for(list=0; list<2; list++){
-            int refa = h->ref_cache[list][scan8[0] - 1];
-            int refb = h->ref_cache[list][scan8[0] - 8];
-            int refc = h->ref_cache[list][scan8[0] - 8 + 4];
-            if(refc == -2)
-                refc = h->ref_cache[list][scan8[0] - 8 - 1];
-            ref[list] = refa;
-            if(ref[list] < 0 || (refb < ref[list] && refb >= 0))
-                ref[list] = refb;
-            if(ref[list] < 0 || (refc < ref[list] && refc >= 0))
-                ref[list] = refc;
-            if(ref[list] < 0)
-                ref[list] = -1;
-        }
-
-        if(ref[0] < 0 && ref[1] < 0){
-            ref[0] = ref[1] = 0;
-            mv[0][0] = mv[0][1] =
-            mv[1][0] = mv[1][1] = 0;
-        }else{
-            for(list=0; list<2; list++){
-                if(ref[list] >= 0)
-                    pred_motion(h, 0, 4, list, ref[list], &mv[list][0], &mv[list][1]);
-                else
-                    mv[list][0] = mv[list][1] = 0;
-            }
-        }
-
-        if(ref[1] < 0){
-            *mb_type &= ~MB_TYPE_P0L1;
-            sub_mb_type &= ~MB_TYPE_P0L1;
-        }else if(ref[0] < 0){
-            *mb_type &= ~MB_TYPE_P0L0;
-            sub_mb_type &= ~MB_TYPE_P0L0;
-        }
-
-        if(IS_16X16(*mb_type)){
-            int a=0, b=0;
-
-            fill_rectangle(&h->ref_cache[0][scan8[0]], 4, 4, 8, (uint8_t)ref[0], 1);
-            fill_rectangle(&h->ref_cache[1][scan8[0]], 4, 4, 8, (uint8_t)ref[1], 1);
-            if(!IS_INTRA(mb_type_col)
-               && (   (l1ref0[0] == 0 && FFABS(l1mv0[0][0]) <= 1 && FFABS(l1mv0[0][1]) <= 1)
-                   || (l1ref0[0]  < 0 && l1ref1[0] == 0 && FFABS(l1mv1[0][0]) <= 1 && FFABS(l1mv1[0][1]) <= 1
-                       && (h->x264_build>33 || !h->x264_build)))){
-                if(ref[0] > 0)
-                    a= pack16to32(mv[0][0],mv[0][1]);
-                if(ref[1] > 0)
-                    b= pack16to32(mv[1][0],mv[1][1]);
-            }else{
-                a= pack16to32(mv[0][0],mv[0][1]);
-                b= pack16to32(mv[1][0],mv[1][1]);
-            }
-            fill_rectangle(&h->mv_cache[0][scan8[0]], 4, 4, 8, a, 4);
-            fill_rectangle(&h->mv_cache[1][scan8[0]], 4, 4, 8, b, 4);
-        }else{
-            for(i8=0; i8<4; i8++){
-                const int x8 = i8&1;
-                const int y8 = i8>>1;
-
-                if(is_b8x8 && !IS_DIRECT(h->sub_mb_type[i8]))
-                    continue;
-                h->sub_mb_type[i8] = sub_mb_type;
-
-                fill_rectangle(&h->mv_cache[0][scan8[i8*4]], 2, 2, 8, pack16to32(mv[0][0],mv[0][1]), 4);
-                fill_rectangle(&h->mv_cache[1][scan8[i8*4]], 2, 2, 8, pack16to32(mv[1][0],mv[1][1]), 4);
-                fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, (uint8_t)ref[0], 1);
-                fill_rectangle(&h->ref_cache[1][scan8[i8*4]], 2, 2, 8, (uint8_t)ref[1], 1);
-
-                /* col_zero_flag */
-                if(!IS_INTRA(mb_type_col) && (   l1ref0[x8 + y8*h->b8_stride] == 0
-                                              || (l1ref0[x8 + y8*h->b8_stride] < 0 && l1ref1[x8 + y8*h->b8_stride] == 0
-                                                  && (h->x264_build>33 || !h->x264_build)))){
-                    const int16_t (*l1mv)[2]= l1ref0[x8 + y8*h->b8_stride] == 0 ? l1mv0 : l1mv1;
-                    if(IS_SUB_8X8(sub_mb_type)){
-                        const int16_t *mv_col = l1mv[x8*3 + y8*3*h->b_stride];
-                        if(FFABS(mv_col[0]) <= 1 && FFABS(mv_col[1]) <= 1){
-                            if(ref[0] == 0)
-                                fill_rectangle(&h->mv_cache[0][scan8[i8*4]], 2, 2, 8, 0, 4);
-                            if(ref[1] == 0)
-                                fill_rectangle(&h->mv_cache[1][scan8[i8*4]], 2, 2, 8, 0, 4);
-                        }
-                    }else
-                    for(i4=0; i4<4; i4++){
-                        const int16_t *mv_col = l1mv[x8*2 + (i4&1) + (y8*2 + (i4>>1))*h->b_stride];
-                        if(FFABS(mv_col[0]) <= 1 && FFABS(mv_col[1]) <= 1){
-                            if(ref[0] == 0)
-                                *(uint32_t*)h->mv_cache[0][scan8[i8*4+i4]] = 0;
-                            if(ref[1] == 0)
-                                *(uint32_t*)h->mv_cache[1][scan8[i8*4+i4]] = 0;
-                        }
-                    }
-                }
-            }
-        }
-    }else{ /* direct temporal mv pred */
-        const int *map_col_to_list0[2] = {h->map_col_to_list0[0], h->map_col_to_list0[1]};
-        const int *dist_scale_factor = h->dist_scale_factor;
-
-        if(FRAME_MBAFF){
-            if(IS_INTERLACED(*mb_type)){
-                map_col_to_list0[0] = h->map_col_to_list0_field[0];
-                map_col_to_list0[1] = h->map_col_to_list0_field[1];
-                dist_scale_factor = h->dist_scale_factor_field;
-            }
-            if(IS_INTERLACED(*mb_type) != IS_INTERLACED(mb_type_col)){
-                /* FIXME assumes direct_8x8_inference == 1 */
-                const int pair_xy = s->mb_x + (s->mb_y&~1)*s->mb_stride;
-                int mb_types_col[2];
-                int y_shift;
-
-                *mb_type = MB_TYPE_8x8|MB_TYPE_L0L1
-                         | (is_b8x8 ? 0 : MB_TYPE_DIRECT2)
-                         | (*mb_type & MB_TYPE_INTERLACED);
-                sub_mb_type = MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2|MB_TYPE_16x16;
-
-                if(IS_INTERLACED(*mb_type)){
-                    /* frame to field scaling */
-                    mb_types_col[0] = h->ref_list[1][0].mb_type[pair_xy];
-                    mb_types_col[1] = h->ref_list[1][0].mb_type[pair_xy+s->mb_stride];
-                    if(s->mb_y&1){
-                        l1ref0 -= 2*h->b8_stride;
-                        l1ref1 -= 2*h->b8_stride;
-                        l1mv0 -= 4*h->b_stride;
-                        l1mv1 -= 4*h->b_stride;
-                    }
-                    y_shift = 0;
-
-                    if(   (mb_types_col[0] & MB_TYPE_16x16_OR_INTRA)
-                       && (mb_types_col[1] & MB_TYPE_16x16_OR_INTRA)
-                       && !is_b8x8)
-                        *mb_type |= MB_TYPE_16x8;
-                    else
-                        *mb_type |= MB_TYPE_8x8;
-                }else{
-                    /* field to frame scaling */
-                    /* col_mb_y = (mb_y&~1) + (topAbsDiffPOC < bottomAbsDiffPOC ? 0 : 1)
-                     * but in MBAFF, top and bottom POC are equal */
-                    int dy = (s->mb_y&1) ? 1 : 2;
-                    mb_types_col[0] =
-                    mb_types_col[1] = h->ref_list[1][0].mb_type[pair_xy+s->mb_stride];
-                    l1ref0 += dy*h->b8_stride;
-                    l1ref1 += dy*h->b8_stride;
-                    l1mv0 += 2*dy*h->b_stride;
-                    l1mv1 += 2*dy*h->b_stride;
-                    y_shift = 2;
-
-                    if((mb_types_col[0] & (MB_TYPE_16x16_OR_INTRA|MB_TYPE_16x8))
-                       && !is_b8x8)
-                        *mb_type |= MB_TYPE_16x16;
-                    else
-                        *mb_type |= MB_TYPE_8x8;
-                }
-
-                for(i8=0; i8<4; i8++){
-                    const int x8 = i8&1;
-                    const int y8 = i8>>1;
-                    int ref0, scale;
-                    const int16_t (*l1mv)[2]= l1mv0;
-
-                    if(is_b8x8 && !IS_DIRECT(h->sub_mb_type[i8]))
-                        continue;
-                    h->sub_mb_type[i8] = sub_mb_type;
-
-                    fill_rectangle(&h->ref_cache[1][scan8[i8*4]], 2, 2, 8, 0, 1);
-                    if(IS_INTRA(mb_types_col[y8])){
-                        fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, 0, 1);
-                        fill_rectangle(&h-> mv_cache[0][scan8[i8*4]], 2, 2, 8, 0, 4);
-                        fill_rectangle(&h-> mv_cache[1][scan8[i8*4]], 2, 2, 8, 0, 4);
-                        continue;
-                    }
-
-                    ref0 = l1ref0[x8 + (y8*2>>y_shift)*h->b8_stride];
-                    if(ref0 >= 0)
-                        ref0 = map_col_to_list0[0][ref0*2>>y_shift];
-                    else{
-                        ref0 = map_col_to_list0[1][l1ref1[x8 + (y8*2>>y_shift)*h->b8_stride]*2>>y_shift];
-                        l1mv= l1mv1;
-                    }
-                    scale = dist_scale_factor[ref0];
-                    fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, ref0, 1);
-
-                    {
-                        const int16_t *mv_col = l1mv[x8*3 + (y8*6>>y_shift)*h->b_stride];
-                        int my_col = (mv_col[1]<<y_shift)/2;
-                        int mx = (scale * mv_col[0] + 128) >> 8;
-                        int my = (scale * my_col + 128) >> 8;
-                        fill_rectangle(&h->mv_cache[0][scan8[i8*4]], 2, 2, 8, pack16to32(mx,my), 4);
-                        fill_rectangle(&h->mv_cache[1][scan8[i8*4]], 2, 2, 8, pack16to32(mx-mv_col[0],my-my_col), 4);
-                    }
-                }
-                return;
-            }
-        }
-
-        /* one-to-one mv scaling */
-
-        if(IS_16X16(*mb_type)){
-            int ref, mv0, mv1;
-
-            fill_rectangle(&h->ref_cache[1][scan8[0]], 4, 4, 8, 0, 1);
-            if(IS_INTRA(mb_type_col)){
-                ref=mv0=mv1=0;
-            }else{
-                const int ref0 = l1ref0[0] >= 0 ? map_col_to_list0[0][l1ref0[0]]
-                                                : map_col_to_list0[1][l1ref1[0]];
-                const int scale = dist_scale_factor[ref0];
-                const int16_t *mv_col = l1ref0[0] >= 0 ? l1mv0[0] : l1mv1[0];
-                int mv_l0[2];
-                mv_l0[0] = (scale * mv_col[0] + 128) >> 8;
-                mv_l0[1] = (scale * mv_col[1] + 128) >> 8;
-                ref= ref0;
-                mv0= pack16to32(mv_l0[0],mv_l0[1]);
-                mv1= pack16to32(mv_l0[0]-mv_col[0],mv_l0[1]-mv_col[1]);
-            }
-            fill_rectangle(&h->ref_cache[0][scan8[0]], 4, 4, 8, ref, 1);
-            fill_rectangle(&h-> mv_cache[0][scan8[0]], 4, 4, 8, mv0, 4);
-            fill_rectangle(&h-> mv_cache[1][scan8[0]], 4, 4, 8, mv1, 4);
-        }else{
-            for(i8=0; i8<4; i8++){
-                const int x8 = i8&1;
-                const int y8 = i8>>1;
-                int ref0, scale;
-                const int16_t (*l1mv)[2]= l1mv0;
-
-                if(is_b8x8 && !IS_DIRECT(h->sub_mb_type[i8]))
-                    continue;
-                h->sub_mb_type[i8] = sub_mb_type;
-                fill_rectangle(&h->ref_cache[1][scan8[i8*4]], 2, 2, 8, 0, 1);
-                if(IS_INTRA(mb_type_col)){
-                    fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, 0, 1);
-                    fill_rectangle(&h-> mv_cache[0][scan8[i8*4]], 2, 2, 8, 0, 4);
-                    fill_rectangle(&h-> mv_cache[1][scan8[i8*4]], 2, 2, 8, 0, 4);
-                    continue;
-                }
-
-                ref0 = l1ref0[x8 + y8*h->b8_stride];
-                if(ref0 >= 0)
-                    ref0 = map_col_to_list0[0][ref0];
-                else{
-                    ref0 = map_col_to_list0[1][l1ref1[x8 + y8*h->b8_stride]];
-                    l1mv= l1mv1;
-                }
-                scale = dist_scale_factor[ref0];
-
-                fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, ref0, 1);
-                if(IS_SUB_8X8(sub_mb_type)){
-                    const int16_t *mv_col = l1mv[x8*3 + y8*3*h->b_stride];
-                    int mx = (scale * mv_col[0] + 128) >> 8;
-                    int my = (scale * mv_col[1] + 128) >> 8;
-                    fill_rectangle(&h->mv_cache[0][scan8[i8*4]], 2, 2, 8, pack16to32(mx,my), 4);
-                    fill_rectangle(&h->mv_cache[1][scan8[i8*4]], 2, 2, 8, pack16to32(mx-mv_col[0],my-mv_col[1]), 4);
-                }else
-                for(i4=0; i4<4; i4++){
-                    const int16_t *mv_col = l1mv[x8*2 + (i4&1) + (y8*2 + (i4>>1))*h->b_stride];
-                    int16_t *mv_l0 = h->mv_cache[0][scan8[i8*4+i4]];
-                    mv_l0[0] = (scale * mv_col[0] + 128) >> 8;
-                    mv_l0[1] = (scale * mv_col[1] + 128) >> 8;
-                    *(uint32_t*)h->mv_cache[1][scan8[i8*4+i4]] =
-                        pack16to32(mv_l0[0]-mv_col[0],mv_l0[1]-mv_col[1]);
-                }
-            }
-        }
-    }
-}
-
-static inline void write_back_motion(H264Context *h, int mb_type){
-    MpegEncContext * const s = &h->s;
-    const int b_xy = 4*s->mb_x + 4*s->mb_y*h->b_stride;
-    const int b8_xy= 2*s->mb_x + 2*s->mb_y*h->b8_stride;
-    int list;
-
-    if(!USES_LIST(mb_type, 0))
-        fill_rectangle(&s->current_picture.ref_index[0][b8_xy], 2, 2, h->b8_stride, (uint8_t)LIST_NOT_USED, 1);
-
-    for(list=0; list<h->list_count; list++){
-        int y;
-        if(!USES_LIST(mb_type, list))
-            continue;
-
-        for(y=0; y<4; y++){
-            *(uint64_t*)s->current_picture.motion_val[list][b_xy + 0 + y*h->b_stride]= *(uint64_t*)h->mv_cache[list][scan8[0]+0 + 8*y];
-            *(uint64_t*)s->current_picture.motion_val[list][b_xy + 2 + y*h->b_stride]= *(uint64_t*)h->mv_cache[list][scan8[0]+2 + 8*y];
-        }
-        if( h->pps.cabac ) {
-            if(IS_SKIP(mb_type))
-                fill_rectangle(h->mvd_table[list][b_xy], 4, 4, h->b_stride, 0, 4);
-            else
-            for(y=0; y<4; y++){
-                *(uint64_t*)h->mvd_table[list][b_xy + 0 + y*h->b_stride]= *(uint64_t*)h->mvd_cache[list][scan8[0]+0 + 8*y];
-                *(uint64_t*)h->mvd_table[list][b_xy + 2 + y*h->b_stride]= *(uint64_t*)h->mvd_cache[list][scan8[0]+2 + 8*y];
-            }
-        }
-
-        {
-            int8_t *ref_index = &s->current_picture.ref_index[list][b8_xy];
-            ref_index[0+0*h->b8_stride]= h->ref_cache[list][scan8[0]];
-            ref_index[1+0*h->b8_stride]= h->ref_cache[list][scan8[4]];
-            ref_index[0+1*h->b8_stride]= h->ref_cache[list][scan8[8]];
-            ref_index[1+1*h->b8_stride]= h->ref_cache[list][scan8[12]];
-        }
-    }
-
-    if(h->slice_type == B_TYPE && h->pps.cabac){
-        if(IS_8X8(mb_type)){
-            uint8_t *direct_table = &h->direct_table[b8_xy];
-            direct_table[1+0*h->b8_stride] = IS_DIRECT(h->sub_mb_type[1]) ? 1 : 0;
-            direct_table[0+1*h->b8_stride] = IS_DIRECT(h->sub_mb_type[2]) ? 1 : 0;
-            direct_table[1+1*h->b8_stride] = IS_DIRECT(h->sub_mb_type[3]) ? 1 : 0;
-        }
-    }
-}
-
-/**
- * Decodes a network abstraction layer unit.
- * @param consumed is the number of bytes used as input
- * @param length is the length of the array
- * @param dst_length is the number of decoded bytes FIXME here or a decode rbsp tailing?
- * @returns decoded bytes, might be src+1 if no escapes
- */
-static uint8_t *decode_nal(H264Context *h, uint8_t *src, int *dst_length, int *consumed, int length){
-    int i, si, di;
-    uint8_t *dst;
-
-//    src[0]&0x80;                //forbidden bit
-    h->nal_ref_idc= src[0]>>5;
-    h->nal_unit_type= src[0]&0x1F;
-
-    src++; length--;
-#if 0
-    for(i=0; i<length; i++)
-        printf("%2X ", src[i]);
-#endif
-    for(i=0; i+1<length; i+=2){
-        if(src[i]) continue;
-        if(i>0 && src[i-1]==0) i--;
-        if(i+2<length && src[i+1]==0 && src[i+2]<=3){
-            if(src[i+2]!=3){
-                /* startcode, so we must be past the end */
-                length=i;
-            }
-            break;
-        }
-    }
-
-    if(i>=length-1){ //no escaped 0
-        *dst_length= length;
-        *consumed= length+1; //+1 for the header
-        return src;
-    }
-
-    h->rbsp_buffer= av_fast_realloc(h->rbsp_buffer, &h->rbsp_buffer_size, length);
-    dst= h->rbsp_buffer;
-
-    if (dst == NULL){
-        return NULL;
-    }
-
-//printf("decoding esc\n");
-    si=di=0;
-    while(si<length){
-        //remove escapes (very rare 1:2^22)
-        if(si+2<length && src[si]==0 && src[si+1]==0 && src[si+2]<=3){
-            if(src[si+2]==3){ //escape
-                dst[di++]= 0;
-                dst[di++]= 0;
-                si+=3;
-                continue;
-            }else //next start code
-                break;
-        }
-
-        dst[di++]= src[si++];
-    }
-
-    *dst_length= di;
-    *consumed= si + 1;//+1 for the header
-//FIXME store exact number of bits in the getbitcontext (its needed for decoding)
-    return dst;
-}
-
-/**
- * identifies the exact end of the bitstream
- * @return the length of the trailing, or 0 if damaged
- */
-static int decode_rbsp_trailing(H264Context *h, uint8_t *src){
-    int v= *src;
-    int r;
-
-    tprintf(h->s.avctx, "rbsp trailing %X\n", v);
-
-    for(r=1; r<9; r++){
-        if(v&1) return r;
-        v>>=1;
-    }
-    return 0;
-}
-
-/**
- * idct tranforms the 16 dc values and dequantize them.
- * @param qp quantization parameter
- */
-static void h264_luma_dc_dequant_idct_c(DCTELEM *block, int qp, int qmul){
-#define stride 16
-    int i;
-    int temp[16]; //FIXME check if this is a good idea
-    static const int x_offset[4]={0, 1*stride, 4* stride,  5*stride};
-    static const int y_offset[4]={0, 2*stride, 8* stride, 10*stride};
-
-//memset(block, 64, 2*256);
-//return;
-    for(i=0; i<4; i++){
-        const int offset= y_offset[i];
-        const int z0= block[offset+stride*0] + block[offset+stride*4];
-        const int z1= block[offset+stride*0] - block[offset+stride*4];
-        const int z2= block[offset+stride*1] - block[offset+stride*5];
-        const int z3= block[offset+stride*1] + block[offset+stride*5];
-
-        temp[4*i+0]= z0+z3;
-        temp[4*i+1]= z1+z2;
-        temp[4*i+2]= z1-z2;
-        temp[4*i+3]= z0-z3;
-    }
-
-    for(i=0; i<4; i++){
-        const int offset= x_offset[i];
-        const int z0= temp[4*0+i] + temp[4*2+i];
-        const int z1= temp[4*0+i] - temp[4*2+i];
-        const int z2= temp[4*1+i] - temp[4*3+i];
-        const int z3= temp[4*1+i] + temp[4*3+i];
-
-        block[stride*0 +offset]= ((((z0 + z3)*qmul + 128 ) >> 8)); //FIXME think about merging this into decode_resdual
-        block[stride*2 +offset]= ((((z1 + z2)*qmul + 128 ) >> 8));
-        block[stride*8 +offset]= ((((z1 - z2)*qmul + 128 ) >> 8));
-        block[stride*10+offset]= ((((z0 - z3)*qmul + 128 ) >> 8));
-    }
-}
-
-#if 0
-/**
- * dct tranforms the 16 dc values.
- * @param qp quantization parameter ??? FIXME
- */
-static void h264_luma_dc_dct_c(DCTELEM *block/*, int qp*/){
-//    const int qmul= dequant_coeff[qp][0];
-    int i;
-    int temp[16]; //FIXME check if this is a good idea
-    static const int x_offset[4]={0, 1*stride, 4* stride,  5*stride};
-    static const int y_offset[4]={0, 2*stride, 8* stride, 10*stride};
-
-    for(i=0; i<4; i++){
-        const int offset= y_offset[i];
-        const int z0= block[offset+stride*0] + block[offset+stride*4];
-        const int z1= block[offset+stride*0] - block[offset+stride*4];
-        const int z2= block[offset+stride*1] - block[offset+stride*5];
-        const int z3= block[offset+stride*1] + block[offset+stride*5];
-
-        temp[4*i+0]= z0+z3;
-        temp[4*i+1]= z1+z2;
-        temp[4*i+2]= z1-z2;
-        temp[4*i+3]= z0-z3;
-    }
-
-    for(i=0; i<4; i++){
-        const int offset= x_offset[i];
-        const int z0= temp[4*0+i] + temp[4*2+i];
-        const int z1= temp[4*0+i] - temp[4*2+i];
-        const int z2= temp[4*1+i] - temp[4*3+i];
-        const int z3= temp[4*1+i] + temp[4*3+i];
-
-        block[stride*0 +offset]= (z0 + z3)>>1;
-        block[stride*2 +offset]= (z1 + z2)>>1;
-        block[stride*8 +offset]= (z1 - z2)>>1;
-        block[stride*10+offset]= (z0 - z3)>>1;
-    }
-}
-#endif
-
-#undef xStride
-#undef stride
-
-static void chroma_dc_dequant_idct_c(DCTELEM *block, int qp, int qmul){
-    const int stride= 16*2;
-    const int xStride= 16;
-    int a,b,c,d,e;
-
-    a= block[stride*0 + xStride*0];
-    b= block[stride*0 + xStride*1];
-    c= block[stride*1 + xStride*0];
-    d= block[stride*1 + xStride*1];
-
-    e= a-b;
-    a= a+b;
-    b= c-d;
-    c= c+d;
-
-    block[stride*0 + xStride*0]= ((a+c)*qmul) >> 7;
-    block[stride*0 + xStride*1]= ((e+b)*qmul) >> 7;
-    block[stride*1 + xStride*0]= ((a-c)*qmul) >> 7;
-    block[stride*1 + xStride*1]= ((e-b)*qmul) >> 7;
-}
-
-#if 0
-static void chroma_dc_dct_c(DCTELEM *block){
-    const int stride= 16*2;
-    const int xStride= 16;
-    int a,b,c,d,e;
-
-    a= block[stride*0 + xStride*0];
-    b= block[stride*0 + xStride*1];
-    c= block[stride*1 + xStride*0];
-    d= block[stride*1 + xStride*1];
-
-    e= a-b;
-    a= a+b;
-    b= c-d;
-    c= c+d;
-
-    block[stride*0 + xStride*0]= (a+c);
-    block[stride*0 + xStride*1]= (e+b);
-    block[stride*1 + xStride*0]= (a-c);
-    block[stride*1 + xStride*1]= (e-b);
-}
-#endif
-
-/**
- * gets the chroma qp.
- */
-static inline int get_chroma_qp(int chroma_qp_index_offset, int qscale){
-
-    return chroma_qp[av_clip(qscale + chroma_qp_index_offset, 0, 51)];
-}
-
-//FIXME need to check that this doesnt overflow signed 32 bit for low qp, i am not sure, it's very close
-//FIXME check that gcc inlines this (and optimizes intra & separate_dc stuff away)
-static inline int quantize_c(DCTELEM *block, uint8_t *scantable, int qscale, int intra, int separate_dc){
-    int i;
-    const int * const quant_table= quant_coeff[qscale];
-    const int bias= intra ? (1<<QUANT_SHIFT)/3 : (1<<QUANT_SHIFT)/6;
-    const unsigned int threshold1= (1<<QUANT_SHIFT) - bias - 1;
-    const unsigned int threshold2= (threshold1<<1);
-    int last_non_zero;
-
-    if(separate_dc){
-        if(qscale<=18){
-            //avoid overflows
-            const int dc_bias= intra ? (1<<(QUANT_SHIFT-2))/3 : (1<<(QUANT_SHIFT-2))/6;
-            const unsigned int dc_threshold1= (1<<(QUANT_SHIFT-2)) - dc_bias - 1;
-            const unsigned int dc_threshold2= (dc_threshold1<<1);
-
-            int level= block[0]*quant_coeff[qscale+18][0];
-            if(((unsigned)(level+dc_threshold1))>dc_threshold2){
-                if(level>0){
-                    level= (dc_bias + level)>>(QUANT_SHIFT-2);
-                    block[0]= level;
-                }else{
-                    level= (dc_bias - level)>>(QUANT_SHIFT-2);
-                    block[0]= -level;
-                }
-//                last_non_zero = i;
-            }else{
-                block[0]=0;
-            }
-        }else{
-            const int dc_bias= intra ? (1<<(QUANT_SHIFT+1))/3 : (1<<(QUANT_SHIFT+1))/6;
-            const unsigned int dc_threshold1= (1<<(QUANT_SHIFT+1)) - dc_bias - 1;
-            const unsigned int dc_threshold2= (dc_threshold1<<1);
-
-            int level= block[0]*quant_table[0];
-            if(((unsigned)(level+dc_threshold1))>dc_threshold2){
-                if(level>0){
-                    level= (dc_bias + level)>>(QUANT_SHIFT+1);
-                    block[0]= level;
-                }else{
-                    level= (dc_bias - level)>>(QUANT_SHIFT+1);
-                    block[0]= -level;
-                }
-//                last_non_zero = i;
-            }else{
-                block[0]=0;
-            }
-        }
-        last_non_zero= 0;
-        i=1;
-    }else{
-        last_non_zero= -1;
-        i=0;
-    }
-
-    for(; i<16; i++){
-        const int j= scantable[i];
-        int level= block[j]*quant_table[j];
-
-//        if(   bias+level >= (1<<(QMAT_SHIFT - 3))
-//           || bias-level >= (1<<(QMAT_SHIFT - 3))){
-        if(((unsigned)(level+threshold1))>threshold2){
-            if(level>0){
-                level= (bias + level)>>QUANT_SHIFT;
-                block[j]= level;
-            }else{
-                level= (bias - level)>>QUANT_SHIFT;
-                block[j]= -level;
-            }
-            last_non_zero = i;
-        }else{
-            block[j]=0;
-        }
-    }
-
-    return last_non_zero;
-}
-
-static void pred4x4_vertical_c(uint8_t *src, uint8_t *topright, int stride){
-    const uint32_t a= ((uint32_t*)(src-stride))[0];
-    ((uint32_t*)(src+0*stride))[0]= a;
-    ((uint32_t*)(src+1*stride))[0]= a;
-    ((uint32_t*)(src+2*stride))[0]= a;
-    ((uint32_t*)(src+3*stride))[0]= a;
-}
-
-static void pred4x4_horizontal_c(uint8_t *src, uint8_t *topright, int stride){
-    ((uint32_t*)(src+0*stride))[0]= src[-1+0*stride]*0x01010101;
-    ((uint32_t*)(src+1*stride))[0]= src[-1+1*stride]*0x01010101;
-    ((uint32_t*)(src+2*stride))[0]= src[-1+2*stride]*0x01010101;
-    ((uint32_t*)(src+3*stride))[0]= src[-1+3*stride]*0x01010101;
-}
-
-static void pred4x4_dc_c(uint8_t *src, uint8_t *topright, int stride){
-    const int dc= (  src[-stride] + src[1-stride] + src[2-stride] + src[3-stride]
-                   + src[-1+0*stride] + src[-1+1*stride] + src[-1+2*stride] + src[-1+3*stride] + 4) >>3;
-
-    ((uint32_t*)(src+0*stride))[0]=
-    ((uint32_t*)(src+1*stride))[0]=
-    ((uint32_t*)(src+2*stride))[0]=
-    ((uint32_t*)(src+3*stride))[0]= dc* 0x01010101;
-}
-
-static void pred4x4_left_dc_c(uint8_t *src, uint8_t *topright, int stride){
-    const int dc= (  src[-1+0*stride] + src[-1+1*stride] + src[-1+2*stride] + src[-1+3*stride] + 2) >>2;
-
-    ((uint32_t*)(src+0*stride))[0]=
-    ((uint32_t*)(src+1*stride))[0]=
-    ((uint32_t*)(src+2*stride))[0]=
-    ((uint32_t*)(src+3*stride))[0]= dc* 0x01010101;
-}
-
-static void pred4x4_top_dc_c(uint8_t *src, uint8_t *topright, int stride){
-    const int dc= (  src[-stride] + src[1-stride] + src[2-stride] + src[3-stride] + 2) >>2;
-
-    ((uint32_t*)(src+0*stride))[0]=
-    ((uint32_t*)(src+1*stride))[0]=
-    ((uint32_t*)(src+2*stride))[0]=
-    ((uint32_t*)(src+3*stride))[0]= dc* 0x01010101;
-}
-
-static void pred4x4_128_dc_c(uint8_t *src, uint8_t *topright, int stride){
-    ((uint32_t*)(src+0*stride))[0]=
-    ((uint32_t*)(src+1*stride))[0]=
-    ((uint32_t*)(src+2*stride))[0]=
-    ((uint32_t*)(src+3*stride))[0]= 128U*0x01010101U;
-}
-
-
-#define LOAD_TOP_RIGHT_EDGE\
-    const int t4= topright[0];\
-    const int t5= topright[1];\
-    const int t6= topright[2];\
-    const int t7= topright[3];\
-
-#define LOAD_LEFT_EDGE\
-    const int l0= src[-1+0*stride];\
-    const int l1= src[-1+1*stride];\
-    const int l2= src[-1+2*stride];\
-    const int l3= src[-1+3*stride];\
-
-#define LOAD_TOP_EDGE\
-    const int t0= src[ 0-1*stride];\
-    const int t1= src[ 1-1*stride];\
-    const int t2= src[ 2-1*stride];\
-    const int t3= src[ 3-1*stride];\
-
-static void pred4x4_down_right_c(uint8_t *src, uint8_t *topright, int stride){
-    const int lt= src[-1-1*stride];
-    LOAD_TOP_EDGE
-    LOAD_LEFT_EDGE
-
-    src[0+3*stride]=(l3 + 2*l2 + l1 + 2)>>2;
-    src[0+2*stride]=
-    src[1+3*stride]=(l2 + 2*l1 + l0 + 2)>>2;
-    src[0+1*stride]=
-    src[1+2*stride]=
-    src[2+3*stride]=(l1 + 2*l0 + lt + 2)>>2;
-    src[0+0*stride]=
-    src[1+1*stride]=
-    src[2+2*stride]=
-    src[3+3*stride]=(l0 + 2*lt + t0 + 2)>>2;
-    src[1+0*stride]=
-    src[2+1*stride]=
-    src[3+2*stride]=(lt + 2*t0 + t1 + 2)>>2;
-    src[2+0*stride]=
-    src[3+1*stride]=(t0 + 2*t1 + t2 + 2)>>2;
-    src[3+0*stride]=(t1 + 2*t2 + t3 + 2)>>2;
-}
-
-static void pred4x4_down_left_c(uint8_t *src, uint8_t *topright, int stride){
-    LOAD_TOP_EDGE
-    LOAD_TOP_RIGHT_EDGE
-//    LOAD_LEFT_EDGE
 
-    src[0+0*stride]=(t0 + t2 + 2*t1 + 2)>>2;
-    src[1+0*stride]=
-    src[0+1*stride]=(t1 + t3 + 2*t2 + 2)>>2;
-    src[2+0*stride]=
-    src[1+1*stride]=
-    src[0+2*stride]=(t2 + t4 + 2*t3 + 2)>>2;
-    src[3+0*stride]=
-    src[2+1*stride]=
-    src[1+2*stride]=
-    src[0+3*stride]=(t3 + t5 + 2*t4 + 2)>>2;
-    src[3+1*stride]=
-    src[2+2*stride]=
-    src[1+3*stride]=(t4 + t6 + 2*t5 + 2)>>2;
-    src[3+2*stride]=
-    src[2+3*stride]=(t5 + t7 + 2*t6 + 2)>>2;
-    src[3+3*stride]=(t6 + 3*t7 + 2)>>2;
-}
-
-static void pred4x4_vertical_right_c(uint8_t *src, uint8_t *topright, int stride){
-    const int lt= src[-1-1*stride];
-    LOAD_TOP_EDGE
-    LOAD_LEFT_EDGE
-    const __attribute__((unused)) int unu= l3;
-
-    src[0+0*stride]=
-    src[1+2*stride]=(lt + t0 + 1)>>1;
-    src[1+0*stride]=
-    src[2+2*stride]=(t0 + t1 + 1)>>1;
-    src[2+0*stride]=
-    src[3+2*stride]=(t1 + t2 + 1)>>1;
-    src[3+0*stride]=(t2 + t3 + 1)>>1;
-    src[0+1*stride]=
-    src[1+3*stride]=(l0 + 2*lt + t0 + 2)>>2;
-    src[1+1*stride]=
-    src[2+3*stride]=(lt + 2*t0 + t1 + 2)>>2;
-    src[2+1*stride]=
-    src[3+3*stride]=(t0 + 2*t1 + t2 + 2)>>2;
-    src[3+1*stride]=(t1 + 2*t2 + t3 + 2)>>2;
-    src[0+2*stride]=(lt + 2*l0 + l1 + 2)>>2;
-    src[0+3*stride]=(l0 + 2*l1 + l2 + 2)>>2;
-}
-
-static void pred4x4_vertical_left_c(uint8_t *src, uint8_t *topright, int stride){
-    LOAD_TOP_EDGE
-    LOAD_TOP_RIGHT_EDGE
-    const __attribute__((unused)) int unu= t7;
-
-    src[0+0*stride]=(t0 + t1 + 1)>>1;
-    src[1+0*stride]=
-    src[0+2*stride]=(t1 + t2 + 1)>>1;
-    src[2+0*stride]=
-    src[1+2*stride]=(t2 + t3 + 1)>>1;
-    src[3+0*stride]=
-    src[2+2*stride]=(t3 + t4+ 1)>>1;
-    src[3+2*stride]=(t4 + t5+ 1)>>1;
-    src[0+1*stride]=(t0 + 2*t1 + t2 + 2)>>2;
-    src[1+1*stride]=
-    src[0+3*stride]=(t1 + 2*t2 + t3 + 2)>>2;
-    src[2+1*stride]=
-    src[1+3*stride]=(t2 + 2*t3 + t4 + 2)>>2;
-    src[3+1*stride]=
-    src[2+3*stride]=(t3 + 2*t4 + t5 + 2)>>2;
-    src[3+3*stride]=(t4 + 2*t5 + t6 + 2)>>2;
-}
-
-static void pred4x4_horizontal_up_c(uint8_t *src, uint8_t *topright, int stride){
-    LOAD_LEFT_EDGE
-
-    src[0+0*stride]=(l0 + l1 + 1)>>1;
-    src[1+0*stride]=(l0 + 2*l1 + l2 + 2)>>2;
-    src[2+0*stride]=
-    src[0+1*stride]=(l1 + l2 + 1)>>1;
-    src[3+0*stride]=
-    src[1+1*stride]=(l1 + 2*l2 + l3 + 2)>>2;
-    src[2+1*stride]=
-    src[0+2*stride]=(l2 + l3 + 1)>>1;
-    src[3+1*stride]=
-    src[1+2*stride]=(l2 + 2*l3 + l3 + 2)>>2;
-    src[3+2*stride]=
-    src[1+3*stride]=
-    src[0+3*stride]=
-    src[2+2*stride]=
-    src[2+3*stride]=
-    src[3+3*stride]=l3;
-}
-
-static void pred4x4_horizontal_down_c(uint8_t *src, uint8_t *topright, int stride){
-    const int lt= src[-1-1*stride];
-    LOAD_TOP_EDGE
-    LOAD_LEFT_EDGE
-    const __attribute__((unused)) int unu= t3;
-
-    src[0+0*stride]=
-    src[2+1*stride]=(lt + l0 + 1)>>1;
-    src[1+0*stride]=
-    src[3+1*stride]=(l0 + 2*lt + t0 + 2)>>2;
-    src[2+0*stride]=(lt + 2*t0 + t1 + 2)>>2;
-    src[3+0*stride]=(t0 + 2*t1 + t2 + 2)>>2;
-    src[0+1*stride]=
-    src[2+2*stride]=(l0 + l1 + 1)>>1;
-    src[1+1*stride]=
-    src[3+2*stride]=(lt + 2*l0 + l1 + 2)>>2;
-    src[0+2*stride]=
-    src[2+3*stride]=(l1 + l2+ 1)>>1;
-    src[1+2*stride]=
-    src[3+3*stride]=(l0 + 2*l1 + l2 + 2)>>2;
-    src[0+3*stride]=(l2 + l3 + 1)>>1;
-    src[1+3*stride]=(l1 + 2*l2 + l3 + 2)>>2;
-}
-
-void ff_pred16x16_vertical_c(uint8_t *src, int stride){
-    int i;
-    const uint32_t a= ((uint32_t*)(src-stride))[0];
-    const uint32_t b= ((uint32_t*)(src-stride))[1];
-    const uint32_t c= ((uint32_t*)(src-stride))[2];
-    const uint32_t d= ((uint32_t*)(src-stride))[3];
-
-    for(i=0; i<16; i++){
-        ((uint32_t*)(src+i*stride))[0]= a;
-        ((uint32_t*)(src+i*stride))[1]= b;
-        ((uint32_t*)(src+i*stride))[2]= c;
-        ((uint32_t*)(src+i*stride))[3]= d;
-    }
-}
-
-void ff_pred16x16_horizontal_c(uint8_t *src, int stride){
-    int i;
-
-    for(i=0; i<16; i++){
-        ((uint32_t*)(src+i*stride))[0]=
-        ((uint32_t*)(src+i*stride))[1]=
-        ((uint32_t*)(src+i*stride))[2]=
-        ((uint32_t*)(src+i*stride))[3]= src[-1+i*stride]*0x01010101;
-    }
-}
-
-void ff_pred16x16_dc_c(uint8_t *src, int stride){
-    int i, dc=0;
-
-    for(i=0;i<16; i++){
-        dc+= src[-1+i*stride];
-    }
-
-    for(i=0;i<16; i++){
-        dc+= src[i-stride];
-    }
-
-    dc= 0x01010101*((dc + 16)>>5);
-
-    for(i=0; i<16; i++){
-        ((uint32_t*)(src+i*stride))[0]=
-        ((uint32_t*)(src+i*stride))[1]=
-        ((uint32_t*)(src+i*stride))[2]=
-        ((uint32_t*)(src+i*stride))[3]= dc;
-    }
-}
-
-static void pred16x16_left_dc_c(uint8_t *src, int stride){
-    int i, dc=0;
-
-    for(i=0;i<16; i++){
-        dc+= src[-1+i*stride];
-    }
-
-    dc= 0x01010101*((dc + 8)>>4);
-
-    for(i=0; i<16; i++){
-        ((uint32_t*)(src+i*stride))[0]=
-        ((uint32_t*)(src+i*stride))[1]=
-        ((uint32_t*)(src+i*stride))[2]=
-        ((uint32_t*)(src+i*stride))[3]= dc;
-    }
-}
-
-static void pred16x16_top_dc_c(uint8_t *src, int stride){
-    int i, dc=0;
-
-    for(i=0;i<16; i++){
-        dc+= src[i-stride];
-    }
-    dc= 0x01010101*((dc + 8)>>4);
-
-    for(i=0; i<16; i++){
-        ((uint32_t*)(src+i*stride))[0]=
-        ((uint32_t*)(src+i*stride))[1]=
-        ((uint32_t*)(src+i*stride))[2]=
-        ((uint32_t*)(src+i*stride))[3]= dc;
-    }
-}
-
-void ff_pred16x16_128_dc_c(uint8_t *src, int stride){
-    int i;
-
-    for(i=0; i<16; i++){
-        ((uint32_t*)(src+i*stride))[0]=
-        ((uint32_t*)(src+i*stride))[1]=
-        ((uint32_t*)(src+i*stride))[2]=
-        ((uint32_t*)(src+i*stride))[3]= 0x01010101U*128U;
-    }
-}
-
-static inline void pred16x16_plane_compat_c(uint8_t *src, int stride, const int svq3){
-  int i, j, k;
-  int a;
-  uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;
-  const uint8_t * const src0 = src+7-stride;
-  const uint8_t *src1 = src+8*stride-1;
-  const uint8_t *src2 = src1-2*stride;      // == src+6*stride-1;
-  int H = src0[1] - src0[-1];
-  int V = src1[0] - src2[ 0];
-  for(k=2; k<=8; ++k) {
-    src1 += stride; src2 -= stride;
-    H += k*(src0[k] - src0[-k]);
-    V += k*(src1[0] - src2[ 0]);
-  }
-  if(svq3){
-    H = ( 5*(H/4) ) / 16;
-    V = ( 5*(V/4) ) / 16;
-
-    /* required for 100% accuracy */
-    i = H; H = V; V = i;
-  }else{
-    H = ( 5*H+32 ) >> 6;
-    V = ( 5*V+32 ) >> 6;
-  }
-
-  a = 16*(src1[0] + src2[16] + 1) - 7*(V+H);
-  for(j=16; j>0; --j) {
-    int b = a;
-    a += V;
-    for(i=-16; i<0; i+=4) {
-      src[16+i] = cm[ (b    ) >> 5 ];
-      src[17+i] = cm[ (b+  H) >> 5 ];
-      src[18+i] = cm[ (b+2*H) >> 5 ];
-      src[19+i] = cm[ (b+3*H) >> 5 ];
-      b += 4*H;
-    }
-    src += stride;
-  }
-}
-
-void ff_pred16x16_plane_c(uint8_t *src, int stride){
-    pred16x16_plane_compat_c(src, stride, 0);
-}
-
-void ff_pred8x8_vertical_c(uint8_t *src, int stride){
-    int i;
-    const uint32_t a= ((uint32_t*)(src-stride))[0];
-    const uint32_t b= ((uint32_t*)(src-stride))[1];
-
-    for(i=0; i<8; i++){
-        ((uint32_t*)(src+i*stride))[0]= a;
-        ((uint32_t*)(src+i*stride))[1]= b;
-    }
-}
-
-void ff_pred8x8_horizontal_c(uint8_t *src, int stride){
-    int i;
-
-    for(i=0; i<8; i++){
-        ((uint32_t*)(src+i*stride))[0]=
-        ((uint32_t*)(src+i*stride))[1]= src[-1+i*stride]*0x01010101;
-    }
-}
-
-void ff_pred8x8_128_dc_c(uint8_t *src, int stride){
-    int i;
-
-    for(i=0; i<8; i++){
-        ((uint32_t*)(src+i*stride))[0]=
-        ((uint32_t*)(src+i*stride))[1]= 0x01010101U*128U;
-    }
-}
-
-static void pred8x8_left_dc_c(uint8_t *src, int stride){
-    int i;
-    int dc0, dc2;
-
-    dc0=dc2=0;
-    for(i=0;i<4; i++){
-        dc0+= src[-1+i*stride];
-        dc2+= src[-1+(i+4)*stride];
-    }
-    dc0= 0x01010101*((dc0 + 2)>>2);
-    dc2= 0x01010101*((dc2 + 2)>>2);
-
-    for(i=0; i<4; i++){
-        ((uint32_t*)(src+i*stride))[0]=
-        ((uint32_t*)(src+i*stride))[1]= dc0;
-    }
-    for(i=4; i<8; i++){
-        ((uint32_t*)(src+i*stride))[0]=
-        ((uint32_t*)(src+i*stride))[1]= dc2;
-    }
-}
-
-static void pred8x8_top_dc_c(uint8_t *src, int stride){
-    int i;
-    int dc0, dc1;
-
-    dc0=dc1=0;
-    for(i=0;i<4; i++){
-        dc0+= src[i-stride];
-        dc1+= src[4+i-stride];
-    }
-    dc0= 0x01010101*((dc0 + 2)>>2);
-    dc1= 0x01010101*((dc1 + 2)>>2);
-
-    for(i=0; i<4; i++){
-        ((uint32_t*)(src+i*stride))[0]= dc0;
-        ((uint32_t*)(src+i*stride))[1]= dc1;
-    }
-    for(i=4; i<8; i++){
-        ((uint32_t*)(src+i*stride))[0]= dc0;
-        ((uint32_t*)(src+i*stride))[1]= dc1;
-    }
-}
-
-
-void ff_pred8x8_dc_c(uint8_t *src, int stride){
-    int i;
-    int dc0, dc1, dc2, dc3;
-
-    dc0=dc1=dc2=0;
-    for(i=0;i<4; i++){
-        dc0+= src[-1+i*stride] + src[i-stride];
-        dc1+= src[4+i-stride];
-        dc2+= src[-1+(i+4)*stride];
-    }
-    dc3= 0x01010101*((dc1 + dc2 + 4)>>3);
-    dc0= 0x01010101*((dc0 + 4)>>3);
-    dc1= 0x01010101*((dc1 + 2)>>2);
-    dc2= 0x01010101*((dc2 + 2)>>2);
-
-    for(i=0; i<4; i++){
-        ((uint32_t*)(src+i*stride))[0]= dc0;
-        ((uint32_t*)(src+i*stride))[1]= dc1;
-    }
-    for(i=4; i<8; i++){
-        ((uint32_t*)(src+i*stride))[0]= dc2;
-        ((uint32_t*)(src+i*stride))[1]= dc3;
-    }
-}
-
-void ff_pred8x8_plane_c(uint8_t *src, int stride){
-  int j, k;
-  int a;
-  uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;
-  const uint8_t * const src0 = src+3-stride;
-  const uint8_t *src1 = src+4*stride-1;
-  const uint8_t *src2 = src1-2*stride;      // == src+2*stride-1;
-  int H = src0[1] - src0[-1];
-  int V = src1[0] - src2[ 0];
-  for(k=2; k<=4; ++k) {
-    src1 += stride; src2 -= stride;
-    H += k*(src0[k] - src0[-k]);
-    V += k*(src1[0] - src2[ 0]);
-  }
-  H = ( 17*H+16 ) >> 5;
-  V = ( 17*V+16 ) >> 5;
-
-  a = 16*(src1[0] + src2[8]+1) - 3*(V+H);
-  for(j=8; j>0; --j) {
-    int b = a;
-    a += V;
-    src[0] = cm[ (b    ) >> 5 ];
-    src[1] = cm[ (b+  H) >> 5 ];
-    src[2] = cm[ (b+2*H) >> 5 ];
-    src[3] = cm[ (b+3*H) >> 5 ];
-    src[4] = cm[ (b+4*H) >> 5 ];
-    src[5] = cm[ (b+5*H) >> 5 ];
-    src[6] = cm[ (b+6*H) >> 5 ];
-    src[7] = cm[ (b+7*H) >> 5 ];
-    src += stride;
-  }
-}
-
-#define SRC(x,y) src[(x)+(y)*stride]
-#define PL(y) \
-    const int l##y = (SRC(-1,y-1) + 2*SRC(-1,y) + SRC(-1,y+1) + 2) >> 2;
-#define PREDICT_8x8_LOAD_LEFT \
-    const int l0 = ((has_topleft ? SRC(-1,-1) : SRC(-1,0)) \
-                     + 2*SRC(-1,0) + SRC(-1,1) + 2) >> 2; \
-    PL(1) PL(2) PL(3) PL(4) PL(5) PL(6) \
-    const int l7 attribute_unused = (SRC(-1,6) + 3*SRC(-1,7) + 2) >> 2
-
-#define PT(x) \
-    const int t##x = (SRC(x-1,-1) + 2*SRC(x,-1) + SRC(x+1,-1) + 2) >> 2;
-#define PREDICT_8x8_LOAD_TOP \
-    const int t0 = ((has_topleft ? SRC(-1,-1) : SRC(0,-1)) \
-                     + 2*SRC(0,-1) + SRC(1,-1) + 2) >> 2; \
-    PT(1) PT(2) PT(3) PT(4) PT(5) PT(6) \
-    const int t7 attribute_unused = ((has_topright ? SRC(8,-1) : SRC(7,-1)) \
-                     + 2*SRC(7,-1) + SRC(6,-1) + 2) >> 2
-
-#define PTR(x) \
-    t##x = (SRC(x-1,-1) + 2*SRC(x,-1) + SRC(x+1,-1) + 2) >> 2;
-#define PREDICT_8x8_LOAD_TOPRIGHT \
-    int t8, t9, t10, t11, t12, t13, t14, t15; \
-    if(has_topright) { \
-        PTR(8) PTR(9) PTR(10) PTR(11) PTR(12) PTR(13) PTR(14) \
-        t15 = (SRC(14,-1) + 3*SRC(15,-1) + 2) >> 2; \
-    } else t8=t9=t10=t11=t12=t13=t14=t15= SRC(7,-1);
-
-#define PREDICT_8x8_LOAD_TOPLEFT \
-    const int lt = (SRC(-1,0) + 2*SRC(-1,-1) + SRC(0,-1) + 2) >> 2
-
-#define PREDICT_8x8_DC(v) \
-    int y; \
-    for( y = 0; y < 8; y++ ) { \
-        ((uint32_t*)src)[0] = \
-        ((uint32_t*)src)[1] = v; \
-        src += stride; \
-    }
-
-static void pred8x8l_128_dc_c(uint8_t *src, int has_topleft, int has_topright, int stride)
-{
-    PREDICT_8x8_DC(0x80808080);
-}
-static void pred8x8l_left_dc_c(uint8_t *src, int has_topleft, int has_topright, int stride)
-{
-    PREDICT_8x8_LOAD_LEFT;
-    const uint32_t dc = ((l0+l1+l2+l3+l4+l5+l6+l7+4) >> 3) * 0x01010101;
-    PREDICT_8x8_DC(dc);
-}
-static void pred8x8l_top_dc_c(uint8_t *src, int has_topleft, int has_topright, int stride)
-{
-    PREDICT_8x8_LOAD_TOP;
-    const uint32_t dc = ((t0+t1+t2+t3+t4+t5+t6+t7+4) >> 3) * 0x01010101;
-    PREDICT_8x8_DC(dc);
-}
-static void pred8x8l_dc_c(uint8_t *src, int has_topleft, int has_topright, int stride)
-{
-    PREDICT_8x8_LOAD_LEFT;
-    PREDICT_8x8_LOAD_TOP;
-    const uint32_t dc = ((l0+l1+l2+l3+l4+l5+l6+l7
-                         +t0+t1+t2+t3+t4+t5+t6+t7+8) >> 4) * 0x01010101;
-    PREDICT_8x8_DC(dc);
-}
-static void pred8x8l_horizontal_c(uint8_t *src, int has_topleft, int has_topright, int stride)
-{
-    PREDICT_8x8_LOAD_LEFT;
-#define ROW(y) ((uint32_t*)(src+y*stride))[0] =\
-               ((uint32_t*)(src+y*stride))[1] = 0x01010101 * l##y
-    ROW(0); ROW(1); ROW(2); ROW(3); ROW(4); ROW(5); ROW(6); ROW(7);
-#undef ROW
-}
-static void pred8x8l_vertical_c(uint8_t *src, int has_topleft, int has_topright, int stride)
-{
-    int y;
-    PREDICT_8x8_LOAD_TOP;
-    src[0] = t0;
-    src[1] = t1;
-    src[2] = t2;
-    src[3] = t3;
-    src[4] = t4;
-    src[5] = t5;
-    src[6] = t6;
-    src[7] = t7;
-    for( y = 1; y < 8; y++ )
-        *(uint64_t*)(src+y*stride) = *(uint64_t*)src;
-}
-static void pred8x8l_down_left_c(uint8_t *src, int has_topleft, int has_topright, int stride)
-{
-    PREDICT_8x8_LOAD_TOP;
-    PREDICT_8x8_LOAD_TOPRIGHT;
-    SRC(0,0)= (t0 + 2*t1 + t2 + 2) >> 2;
-    SRC(0,1)=SRC(1,0)= (t1 + 2*t2 + t3 + 2) >> 2;
-    SRC(0,2)=SRC(1,1)=SRC(2,0)= (t2 + 2*t3 + t4 + 2) >> 2;
-    SRC(0,3)=SRC(1,2)=SRC(2,1)=SRC(3,0)= (t3 + 2*t4 + t5 + 2) >> 2;
-    SRC(0,4)=SRC(1,3)=SRC(2,2)=SRC(3,1)=SRC(4,0)= (t4 + 2*t5 + t6 + 2) >> 2;
-    SRC(0,5)=SRC(1,4)=SRC(2,3)=SRC(3,2)=SRC(4,1)=SRC(5,0)= (t5 + 2*t6 + t7 + 2) >> 2;
-    SRC(0,6)=SRC(1,5)=SRC(2,4)=SRC(3,3)=SRC(4,2)=SRC(5,1)=SRC(6,0)= (t6 + 2*t7 + t8 + 2) >> 2;
-    SRC(0,7)=SRC(1,6)=SRC(2,5)=SRC(3,4)=SRC(4,3)=SRC(5,2)=SRC(6,1)=SRC(7,0)= (t7 + 2*t8 + t9 + 2) >> 2;
-    SRC(1,7)=SRC(2,6)=SRC(3,5)=SRC(4,4)=SRC(5,3)=SRC(6,2)=SRC(7,1)= (t8 + 2*t9 + t10 + 2) >> 2;
-    SRC(2,7)=SRC(3,6)=SRC(4,5)=SRC(5,4)=SRC(6,3)=SRC(7,2)= (t9 + 2*t10 + t11 + 2) >> 2;
-    SRC(3,7)=SRC(4,6)=SRC(5,5)=SRC(6,4)=SRC(7,3)= (t10 + 2*t11 + t12 + 2) >> 2;
-    SRC(4,7)=SRC(5,6)=SRC(6,5)=SRC(7,4)= (t11 + 2*t12 + t13 + 2) >> 2;
-    SRC(5,7)=SRC(6,6)=SRC(7,5)= (t12 + 2*t13 + t14 + 2) >> 2;
-    SRC(6,7)=SRC(7,6)= (t13 + 2*t14 + t15 + 2) >> 2;
-    SRC(7,7)= (t14 + 3*t15 + 2) >> 2;
-}
-static void pred8x8l_down_right_c(uint8_t *src, int has_topleft, int has_topright, int stride)
-{
-    PREDICT_8x8_LOAD_TOP;
-    PREDICT_8x8_LOAD_LEFT;
-    PREDICT_8x8_LOAD_TOPLEFT;
-    SRC(0,7)= (l7 + 2*l6 + l5 + 2) >> 2;
-    SRC(0,6)=SRC(1,7)= (l6 + 2*l5 + l4 + 2) >> 2;
-    SRC(0,5)=SRC(1,6)=SRC(2,7)= (l5 + 2*l4 + l3 + 2) >> 2;
-    SRC(0,4)=SRC(1,5)=SRC(2,6)=SRC(3,7)= (l4 + 2*l3 + l2 + 2) >> 2;
-    SRC(0,3)=SRC(1,4)=SRC(2,5)=SRC(3,6)=SRC(4,7)= (l3 + 2*l2 + l1 + 2) >> 2;
-    SRC(0,2)=SRC(1,3)=SRC(2,4)=SRC(3,5)=SRC(4,6)=SRC(5,7)= (l2 + 2*l1 + l0 + 2) >> 2;
-    SRC(0,1)=SRC(1,2)=SRC(2,3)=SRC(3,4)=SRC(4,5)=SRC(5,6)=SRC(6,7)= (l1 + 2*l0 + lt + 2) >> 2;
-    SRC(0,0)=SRC(1,1)=SRC(2,2)=SRC(3,3)=SRC(4,4)=SRC(5,5)=SRC(6,6)=SRC(7,7)= (l0 + 2*lt + t0 + 2) >> 2;
-    SRC(1,0)=SRC(2,1)=SRC(3,2)=SRC(4,3)=SRC(5,4)=SRC(6,5)=SRC(7,6)= (lt + 2*t0 + t1 + 2) >> 2;
-    SRC(2,0)=SRC(3,1)=SRC(4,2)=SRC(5,3)=SRC(6,4)=SRC(7,5)= (t0 + 2*t1 + t2 + 2) >> 2;
-    SRC(3,0)=SRC(4,1)=SRC(5,2)=SRC(6,3)=SRC(7,4)= (t1 + 2*t2 + t3 + 2) >> 2;
-    SRC(4,0)=SRC(5,1)=SRC(6,2)=SRC(7,3)= (t2 + 2*t3 + t4 + 2) >> 2;
-    SRC(5,0)=SRC(6,1)=SRC(7,2)= (t3 + 2*t4 + t5 + 2) >> 2;
-    SRC(6,0)=SRC(7,1)= (t4 + 2*t5 + t6 + 2) >> 2;
-    SRC(7,0)= (t5 + 2*t6 + t7 + 2) >> 2;
-
-}
-static void pred8x8l_vertical_right_c(uint8_t *src, int has_topleft, int has_topright, int stride)
-{
-    PREDICT_8x8_LOAD_TOP;
-    PREDICT_8x8_LOAD_LEFT;
-    PREDICT_8x8_LOAD_TOPLEFT;
-    SRC(0,6)= (l5 + 2*l4 + l3 + 2) >> 2;
-    SRC(0,7)= (l6 + 2*l5 + l4 + 2) >> 2;
-    SRC(0,4)=SRC(1,6)= (l3 + 2*l2 + l1 + 2) >> 2;
-    SRC(0,5)=SRC(1,7)= (l4 + 2*l3 + l2 + 2) >> 2;
-    SRC(0,2)=SRC(1,4)=SRC(2,6)= (l1 + 2*l0 + lt + 2) >> 2;
-    SRC(0,3)=SRC(1,5)=SRC(2,7)= (l2 + 2*l1 + l0 + 2) >> 2;
-    SRC(0,1)=SRC(1,3)=SRC(2,5)=SRC(3,7)= (l0 + 2*lt + t0 + 2) >> 2;
-    SRC(0,0)=SRC(1,2)=SRC(2,4)=SRC(3,6)= (lt + t0 + 1) >> 1;
-    SRC(1,1)=SRC(2,3)=SRC(3,5)=SRC(4,7)= (lt + 2*t0 + t1 + 2) >> 2;
-    SRC(1,0)=SRC(2,2)=SRC(3,4)=SRC(4,6)= (t0 + t1 + 1) >> 1;
-    SRC(2,1)=SRC(3,3)=SRC(4,5)=SRC(5,7)= (t0 + 2*t1 + t2 + 2) >> 2;
-    SRC(2,0)=SRC(3,2)=SRC(4,4)=SRC(5,6)= (t1 + t2 + 1) >> 1;
-    SRC(3,1)=SRC(4,3)=SRC(5,5)=SRC(6,7)= (t1 + 2*t2 + t3 + 2) >> 2;
-    SRC(3,0)=SRC(4,2)=SRC(5,4)=SRC(6,6)= (t2 + t3 + 1) >> 1;
-    SRC(4,1)=SRC(5,3)=SRC(6,5)=SRC(7,7)= (t2 + 2*t3 + t4 + 2) >> 2;
-    SRC(4,0)=SRC(5,2)=SRC(6,4)=SRC(7,6)= (t3 + t4 + 1) >> 1;
-    SRC(5,1)=SRC(6,3)=SRC(7,5)= (t3 + 2*t4 + t5 + 2) >> 2;
-    SRC(5,0)=SRC(6,2)=SRC(7,4)= (t4 + t5 + 1) >> 1;
-    SRC(6,1)=SRC(7,3)= (t4 + 2*t5 + t6 + 2) >> 2;
-    SRC(6,0)=SRC(7,2)= (t5 + t6 + 1) >> 1;
-    SRC(7,1)= (t5 + 2*t6 + t7 + 2) >> 2;
-    SRC(7,0)= (t6 + t7 + 1) >> 1;
-}
-static void pred8x8l_horizontal_down_c(uint8_t *src, int has_topleft, int has_topright, int stride)
-{
-    PREDICT_8x8_LOAD_TOP;
-    PREDICT_8x8_LOAD_LEFT;
-    PREDICT_8x8_LOAD_TOPLEFT;
-    SRC(0,7)= (l6 + l7 + 1) >> 1;
-    SRC(1,7)= (l5 + 2*l6 + l7 + 2) >> 2;
-    SRC(0,6)=SRC(2,7)= (l5 + l6 + 1) >> 1;
-    SRC(1,6)=SRC(3,7)= (l4 + 2*l5 + l6 + 2) >> 2;
-    SRC(0,5)=SRC(2,6)=SRC(4,7)= (l4 + l5 + 1) >> 1;
-    SRC(1,5)=SRC(3,6)=SRC(5,7)= (l3 + 2*l4 + l5 + 2) >> 2;
-    SRC(0,4)=SRC(2,5)=SRC(4,6)=SRC(6,7)= (l3 + l4 + 1) >> 1;
-    SRC(1,4)=SRC(3,5)=SRC(5,6)=SRC(7,7)= (l2 + 2*l3 + l4 + 2) >> 2;
-    SRC(0,3)=SRC(2,4)=SRC(4,5)=SRC(6,6)= (l2 + l3 + 1) >> 1;
-    SRC(1,3)=SRC(3,4)=SRC(5,5)=SRC(7,6)= (l1 + 2*l2 + l3 + 2) >> 2;
-    SRC(0,2)=SRC(2,3)=SRC(4,4)=SRC(6,5)= (l1 + l2 + 1) >> 1;
-    SRC(1,2)=SRC(3,3)=SRC(5,4)=SRC(7,5)= (l0 + 2*l1 + l2 + 2) >> 2;
-    SRC(0,1)=SRC(2,2)=SRC(4,3)=SRC(6,4)= (l0 + l1 + 1) >> 1;
-    SRC(1,1)=SRC(3,2)=SRC(5,3)=SRC(7,4)= (lt + 2*l0 + l1 + 2) >> 2;
-    SRC(0,0)=SRC(2,1)=SRC(4,2)=SRC(6,3)= (lt + l0 + 1) >> 1;
-    SRC(1,0)=SRC(3,1)=SRC(5,2)=SRC(7,3)= (l0 + 2*lt + t0 + 2) >> 2;
-    SRC(2,0)=SRC(4,1)=SRC(6,2)= (t1 + 2*t0 + lt + 2) >> 2;
-    SRC(3,0)=SRC(5,1)=SRC(7,2)= (t2 + 2*t1 + t0 + 2) >> 2;
-    SRC(4,0)=SRC(6,1)= (t3 + 2*t2 + t1 + 2) >> 2;
-    SRC(5,0)=SRC(7,1)= (t4 + 2*t3 + t2 + 2) >> 2;
-    SRC(6,0)= (t5 + 2*t4 + t3 + 2) >> 2;
-    SRC(7,0)= (t6 + 2*t5 + t4 + 2) >> 2;
-}
-static void pred8x8l_vertical_left_c(uint8_t *src, int has_topleft, int has_topright, int stride)
-{
-    PREDICT_8x8_LOAD_TOP;
-    PREDICT_8x8_LOAD_TOPRIGHT;
-    SRC(0,0)= (t0 + t1 + 1) >> 1;
-    SRC(0,1)= (t0 + 2*t1 + t2 + 2) >> 2;
-    SRC(0,2)=SRC(1,0)= (t1 + t2 + 1) >> 1;
-    SRC(0,3)=SRC(1,1)= (t1 + 2*t2 + t3 + 2) >> 2;
-    SRC(0,4)=SRC(1,2)=SRC(2,0)= (t2 + t3 + 1) >> 1;
-    SRC(0,5)=SRC(1,3)=SRC(2,1)= (t2 + 2*t3 + t4 + 2) >> 2;
-    SRC(0,6)=SRC(1,4)=SRC(2,2)=SRC(3,0)= (t3 + t4 + 1) >> 1;
-    SRC(0,7)=SRC(1,5)=SRC(2,3)=SRC(3,1)= (t3 + 2*t4 + t5 + 2) >> 2;
-    SRC(1,6)=SRC(2,4)=SRC(3,2)=SRC(4,0)= (t4 + t5 + 1) >> 1;
-    SRC(1,7)=SRC(2,5)=SRC(3,3)=SRC(4,1)= (t4 + 2*t5 + t6 + 2) >> 2;
-    SRC(2,6)=SRC(3,4)=SRC(4,2)=SRC(5,0)= (t5 + t6 + 1) >> 1;
-    SRC(2,7)=SRC(3,5)=SRC(4,3)=SRC(5,1)= (t5 + 2*t6 + t7 + 2) >> 2;
-    SRC(3,6)=SRC(4,4)=SRC(5,2)=SRC(6,0)= (t6 + t7 + 1) >> 1;
-    SRC(3,7)=SRC(4,5)=SRC(5,3)=SRC(6,1)= (t6 + 2*t7 + t8 + 2) >> 2;
-    SRC(4,6)=SRC(5,4)=SRC(6,2)=SRC(7,0)= (t7 + t8 + 1) >> 1;
-    SRC(4,7)=SRC(5,5)=SRC(6,3)=SRC(7,1)= (t7 + 2*t8 + t9 + 2) >> 2;
-    SRC(5,6)=SRC(6,4)=SRC(7,2)= (t8 + t9 + 1) >> 1;
-    SRC(5,7)=SRC(6,5)=SRC(7,3)= (t8 + 2*t9 + t10 + 2) >> 2;
-    SRC(6,6)=SRC(7,4)= (t9 + t10 + 1) >> 1;
-    SRC(6,7)=SRC(7,5)= (t9 + 2*t10 + t11 + 2) >> 2;
-    SRC(7,6)= (t10 + t11 + 1) >> 1;
-    SRC(7,7)= (t10 + 2*t11 + t12 + 2) >> 2;
-}
-static void pred8x8l_horizontal_up_c(uint8_t *src, int has_topleft, int has_topright, int stride)
-{
-    PREDICT_8x8_LOAD_LEFT;
-    SRC(0,0)= (l0 + l1 + 1) >> 1;
-    SRC(1,0)= (l0 + 2*l1 + l2 + 2) >> 2;
-    SRC(0,1)=SRC(2,0)= (l1 + l2 + 1) >> 1;
-    SRC(1,1)=SRC(3,0)= (l1 + 2*l2 + l3 + 2) >> 2;
-    SRC(0,2)=SRC(2,1)=SRC(4,0)= (l2 + l3 + 1) >> 1;
-    SRC(1,2)=SRC(3,1)=SRC(5,0)= (l2 + 2*l3 + l4 + 2) >> 2;
-    SRC(0,3)=SRC(2,2)=SRC(4,1)=SRC(6,0)= (l3 + l4 + 1) >> 1;
-    SRC(1,3)=SRC(3,2)=SRC(5,1)=SRC(7,0)= (l3 + 2*l4 + l5 + 2) >> 2;
-    SRC(0,4)=SRC(2,3)=SRC(4,2)=SRC(6,1)= (l4 + l5 + 1) >> 1;
-    SRC(1,4)=SRC(3,3)=SRC(5,2)=SRC(7,1)= (l4 + 2*l5 + l6 + 2) >> 2;
-    SRC(0,5)=SRC(2,4)=SRC(4,3)=SRC(6,2)= (l5 + l6 + 1) >> 1;
-    SRC(1,5)=SRC(3,4)=SRC(5,3)=SRC(7,2)= (l5 + 2*l6 + l7 + 2) >> 2;
-    SRC(0,6)=SRC(2,5)=SRC(4,4)=SRC(6,3)= (l6 + l7 + 1) >> 1;
-    SRC(1,6)=SRC(3,5)=SRC(5,4)=SRC(7,3)= (l6 + 3*l7 + 2) >> 2;
-    SRC(0,7)=SRC(1,7)=SRC(2,6)=SRC(2,7)=SRC(3,6)=
-    SRC(3,7)=SRC(4,5)=SRC(4,6)=SRC(4,7)=SRC(5,5)=
-    SRC(5,6)=SRC(5,7)=SRC(6,4)=SRC(6,5)=SRC(6,6)=
-    SRC(6,7)=SRC(7,4)=SRC(7,5)=SRC(7,6)=SRC(7,7)= l7;
-}
-#undef PREDICT_8x8_LOAD_LEFT
-#undef PREDICT_8x8_LOAD_TOP
-#undef PREDICT_8x8_LOAD_TOPLEFT
-#undef PREDICT_8x8_LOAD_TOPRIGHT
-#undef PREDICT_8x8_DC
-#undef PTR
-#undef PT
-#undef PL
-#undef SRC
-
-static inline void mc_dir_part(H264Context *h, Picture *pic, int n, int square, int chroma_height, int delta, int list,
-                           uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
-                           int src_x_offset, int src_y_offset,
-                           qpel_mc_func *qpix_op, h264_chroma_mc_func chroma_op){
-    MpegEncContext * const s = &h->s;
-    const int mx= h->mv_cache[list][ scan8[n] ][0] + src_x_offset*8;
-    int my=       h->mv_cache[list][ scan8[n] ][1] + src_y_offset*8;
-    const int luma_xy= (mx&3) + ((my&3)<<2);
-    uint8_t * src_y = pic->data[0] + (mx>>2) + (my>>2)*h->mb_linesize;
-    uint8_t * src_cb, * src_cr;
-    int extra_width= h->emu_edge_width;
-    int extra_height= h->emu_edge_height;
-    int emu=0;
-    const int full_mx= mx>>2;
-    const int full_my= my>>2;
-    const int pic_width  = 16*s->mb_width;
-    const int pic_height = 16*s->mb_height >> MB_MBAFF;
-
-    if(!pic->data[0]) //FIXME this is unacceptable, some senseable error concealment must be done for missing reference frames
-        return;
-
-    if(mx&7) extra_width -= 3;
-    if(my&7) extra_height -= 3;
-
-    if(   full_mx < 0-extra_width
-       || full_my < 0-extra_height
-       || full_mx + 16/*FIXME*/ > pic_width + extra_width
-       || full_my + 16/*FIXME*/ > pic_height + extra_height){
-        ff_emulated_edge_mc(s->edge_emu_buffer, src_y - 2 - 2*h->mb_linesize, h->mb_linesize, 16+5, 16+5/*FIXME*/, full_mx-2, full_my-2, pic_width, pic_height);
-            src_y= s->edge_emu_buffer + 2 + 2*h->mb_linesize;
-        emu=1;
-    }
-
-    qpix_op[luma_xy](dest_y, src_y, h->mb_linesize); //FIXME try variable height perhaps?
-    if(!square){
-        qpix_op[luma_xy](dest_y + delta, src_y + delta, h->mb_linesize);
-    }
-
-    if(s->flags&CODEC_FLAG_GRAY) return;
-
-    if(MB_MBAFF){
-        // chroma offset when predicting from a field of opposite parity
-        my += 2 * ((s->mb_y & 1) - (h->ref_cache[list][scan8[n]] & 1));
-        emu |= (my>>3) < 0 || (my>>3) + 8 >= (pic_height>>1);
-    }
-    src_cb= pic->data[1] + (mx>>3) + (my>>3)*h->mb_uvlinesize;
-    src_cr= pic->data[2] + (mx>>3) + (my>>3)*h->mb_uvlinesize;
-
-    if(emu){
-        ff_emulated_edge_mc(s->edge_emu_buffer, src_cb, h->mb_uvlinesize, 9, 9/*FIXME*/, (mx>>3), (my>>3), pic_width>>1, pic_height>>1);
-            src_cb= s->edge_emu_buffer;
-    }
-    chroma_op(dest_cb, src_cb, h->mb_uvlinesize, chroma_height, mx&7, my&7);
-
-    if(emu){
-        ff_emulated_edge_mc(s->edge_emu_buffer, src_cr, h->mb_uvlinesize, 9, 9/*FIXME*/, (mx>>3), (my>>3), pic_width>>1, pic_height>>1);
-            src_cr= s->edge_emu_buffer;
-    }
-    chroma_op(dest_cr, src_cr, h->mb_uvlinesize, chroma_height, mx&7, my&7);
-}
-
-static inline void mc_part_std(H264Context *h, int n, int square, int chroma_height, int delta,
-                           uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
-                           int x_offset, int y_offset,
-                           qpel_mc_func *qpix_put, h264_chroma_mc_func chroma_put,
-                           qpel_mc_func *qpix_avg, h264_chroma_mc_func chroma_avg,
-                           int list0, int list1){
-    MpegEncContext * const s = &h->s;
-    qpel_mc_func *qpix_op=  qpix_put;
-    h264_chroma_mc_func chroma_op= chroma_put;
-
-    dest_y  += 2*x_offset + 2*y_offset*h->  mb_linesize;
-    dest_cb +=   x_offset +   y_offset*h->mb_uvlinesize;
-    dest_cr +=   x_offset +   y_offset*h->mb_uvlinesize;
-    x_offset += 8*s->mb_x;
-    y_offset += 8*(s->mb_y >> MB_MBAFF);
-
-    if(list0){
-        Picture *ref= &h->ref_list[0][ h->ref_cache[0][ scan8[n] ] ];
-        mc_dir_part(h, ref, n, square, chroma_height, delta, 0,
-                           dest_y, dest_cb, dest_cr, x_offset, y_offset,
-                           qpix_op, chroma_op);
-
-        qpix_op=  qpix_avg;
-        chroma_op= chroma_avg;
-    }
-
-    if(list1){
-        Picture *ref= &h->ref_list[1][ h->ref_cache[1][ scan8[n] ] ];
-        mc_dir_part(h, ref, n, square, chroma_height, delta, 1,
-                           dest_y, dest_cb, dest_cr, x_offset, y_offset,
-                           qpix_op, chroma_op);
-    }
-}
-
-static inline void mc_part_weighted(H264Context *h, int n, int square, int chroma_height, int delta,
-                           uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
-                           int x_offset, int y_offset,
-                           qpel_mc_func *qpix_put, h264_chroma_mc_func chroma_put,
-                           h264_weight_func luma_weight_op, h264_weight_func chroma_weight_op,
-                           h264_biweight_func luma_weight_avg, h264_biweight_func chroma_weight_avg,
-                           int list0, int list1){
-    MpegEncContext * const s = &h->s;
-
-    dest_y  += 2*x_offset + 2*y_offset*h->  mb_linesize;
-    dest_cb +=   x_offset +   y_offset*h->mb_uvlinesize;
-    dest_cr +=   x_offset +   y_offset*h->mb_uvlinesize;
-    x_offset += 8*s->mb_x;
-    y_offset += 8*(s->mb_y >> MB_MBAFF);
-
-    if(list0 && list1){
-        /* don't optimize for luma-only case, since B-frames usually
-         * use implicit weights => chroma too. */
-        uint8_t *tmp_cb = s->obmc_scratchpad;
-        uint8_t *tmp_cr = s->obmc_scratchpad + 8;
-        uint8_t *tmp_y  = s->obmc_scratchpad + 8*h->mb_uvlinesize;
-        int refn0 = h->ref_cache[0][ scan8[n] ];
-        int refn1 = h->ref_cache[1][ scan8[n] ];
-
-        mc_dir_part(h, &h->ref_list[0][refn0], n, square, chroma_height, delta, 0,
-                    dest_y, dest_cb, dest_cr,
-                    x_offset, y_offset, qpix_put, chroma_put);
-        mc_dir_part(h, &h->ref_list[1][refn1], n, square, chroma_height, delta, 1,
-                    tmp_y, tmp_cb, tmp_cr,
-                    x_offset, y_offset, qpix_put, chroma_put);
-
-        if(h->use_weight == 2){
-            int weight0 = h->implicit_weight[refn0][refn1];
-            int weight1 = 64 - weight0;
-            luma_weight_avg(  dest_y,  tmp_y,  h->  mb_linesize, 5, weight0, weight1, 0);
-            chroma_weight_avg(dest_cb, tmp_cb, h->mb_uvlinesize, 5, weight0, weight1, 0);
-            chroma_weight_avg(dest_cr, tmp_cr, h->mb_uvlinesize, 5, weight0, weight1, 0);
-        }else{
-            luma_weight_avg(dest_y, tmp_y, h->mb_linesize, h->luma_log2_weight_denom,
-                            h->luma_weight[0][refn0], h->luma_weight[1][refn1],
-                            h->luma_offset[0][refn0] + h->luma_offset[1][refn1]);
-            chroma_weight_avg(dest_cb, tmp_cb, h->mb_uvlinesize, h->chroma_log2_weight_denom,
-                            h->chroma_weight[0][refn0][0], h->chroma_weight[1][refn1][0],
-                            h->chroma_offset[0][refn0][0] + h->chroma_offset[1][refn1][0]);
-            chroma_weight_avg(dest_cr, tmp_cr, h->mb_uvlinesize, h->chroma_log2_weight_denom,
-                            h->chroma_weight[0][refn0][1], h->chroma_weight[1][refn1][1],
-                            h->chroma_offset[0][refn0][1] + h->chroma_offset[1][refn1][1]);
-        }
-    }else{
-        int list = list1 ? 1 : 0;
-        int refn = h->ref_cache[list][ scan8[n] ];
-        Picture *ref= &h->ref_list[list][refn];
-        mc_dir_part(h, ref, n, square, chroma_height, delta, list,
-                    dest_y, dest_cb, dest_cr, x_offset, y_offset,
-                    qpix_put, chroma_put);
-
-        luma_weight_op(dest_y, h->mb_linesize, h->luma_log2_weight_denom,
-                       h->luma_weight[list][refn], h->luma_offset[list][refn]);
-        if(h->use_weight_chroma){
-            chroma_weight_op(dest_cb, h->mb_uvlinesize, h->chroma_log2_weight_denom,
-                             h->chroma_weight[list][refn][0], h->chroma_offset[list][refn][0]);
-            chroma_weight_op(dest_cr, h->mb_uvlinesize, h->chroma_log2_weight_denom,
-                             h->chroma_weight[list][refn][1], h->chroma_offset[list][refn][1]);
-        }
-    }
-}
-
-static inline void mc_part(H264Context *h, int n, int square, int chroma_height, int delta,
-                           uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
-                           int x_offset, int y_offset,
-                           qpel_mc_func *qpix_put, h264_chroma_mc_func chroma_put,
-                           qpel_mc_func *qpix_avg, h264_chroma_mc_func chroma_avg,
-                           h264_weight_func *weight_op, h264_biweight_func *weight_avg,
-                           int list0, int list1){
-    if((h->use_weight==2 && list0 && list1
-        && (h->implicit_weight[ h->ref_cache[0][scan8[n]] ][ h->ref_cache[1][scan8[n]] ] != 32))
-       || h->use_weight==1)
-        mc_part_weighted(h, n, square, chroma_height, delta, dest_y, dest_cb, dest_cr,
-                         x_offset, y_offset, qpix_put, chroma_put,
-                         weight_op[0], weight_op[3], weight_avg[0], weight_avg[3], list0, list1);
-    else
-        mc_part_std(h, n, square, chroma_height, delta, dest_y, dest_cb, dest_cr,
-                    x_offset, y_offset, qpix_put, chroma_put, qpix_avg, chroma_avg, list0, list1);
-}
-
-static inline void prefetch_motion(H264Context *h, int list){
-    /* fetch pixels for estimated mv 4 macroblocks ahead
-     * optimized for 64byte cache lines */
-    MpegEncContext * const s = &h->s;
-    const int refn = h->ref_cache[list][scan8[0]];
-    if(refn >= 0){
-        const int mx= (h->mv_cache[list][scan8[0]][0]>>2) + 16*s->mb_x + 8;
-        const int my= (h->mv_cache[list][scan8[0]][1]>>2) + 16*s->mb_y;
-        uint8_t **src= h->ref_list[list][refn].data;
-        int off= mx + (my + (s->mb_x&3)*4)*h->mb_linesize + 64;
-        s->dsp.prefetch(src[0]+off, s->linesize, 4);
-        off= (mx>>1) + ((my>>1) + (s->mb_x&7))*s->uvlinesize + 64;
-        s->dsp.prefetch(src[1]+off, src[2]-src[1], 2);
-    }
-}
-
-static void hl_motion(H264Context *h, uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
-                      qpel_mc_func (*qpix_put)[16], h264_chroma_mc_func (*chroma_put),
-                      qpel_mc_func (*qpix_avg)[16], h264_chroma_mc_func (*chroma_avg),
-                      h264_weight_func *weight_op, h264_biweight_func *weight_avg){
-    MpegEncContext * const s = &h->s;
-    const int mb_xy= s->mb_x + s->mb_y*s->mb_stride;
-    const int mb_type= s->current_picture.mb_type[mb_xy];
-
-    assert(IS_INTER(mb_type));
-
-    prefetch_motion(h, 0);
-
-    if(IS_16X16(mb_type)){
-        mc_part(h, 0, 1, 8, 0, dest_y, dest_cb, dest_cr, 0, 0,
-                qpix_put[0], chroma_put[0], qpix_avg[0], chroma_avg[0],
-                &weight_op[0], &weight_avg[0],
-                IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1));
-    }else if(IS_16X8(mb_type)){
-        mc_part(h, 0, 0, 4, 8, dest_y, dest_cb, dest_cr, 0, 0,
-                qpix_put[1], chroma_put[0], qpix_avg[1], chroma_avg[0],
-                &weight_op[1], &weight_avg[1],
-                IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1));
-        mc_part(h, 8, 0, 4, 8, dest_y, dest_cb, dest_cr, 0, 4,
-                qpix_put[1], chroma_put[0], qpix_avg[1], chroma_avg[0],
-                &weight_op[1], &weight_avg[1],
-                IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1));
-    }else if(IS_8X16(mb_type)){
-        mc_part(h, 0, 0, 8, 8*h->mb_linesize, dest_y, dest_cb, dest_cr, 0, 0,
-                qpix_put[1], chroma_put[1], qpix_avg[1], chroma_avg[1],
-                &weight_op[2], &weight_avg[2],
-                IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1));
-        mc_part(h, 4, 0, 8, 8*h->mb_linesize, dest_y, dest_cb, dest_cr, 4, 0,
-                qpix_put[1], chroma_put[1], qpix_avg[1], chroma_avg[1],
-                &weight_op[2], &weight_avg[2],
-                IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1));
-    }else{
-        int i;
-
-        assert(IS_8X8(mb_type));
-
-        for(i=0; i<4; i++){
-            const int sub_mb_type= h->sub_mb_type[i];
-            const int n= 4*i;
-            int x_offset= (i&1)<<2;
-            int y_offset= (i&2)<<1;
-
-            if(IS_SUB_8X8(sub_mb_type)){
-                mc_part(h, n, 1, 4, 0, dest_y, dest_cb, dest_cr, x_offset, y_offset,
-                    qpix_put[1], chroma_put[1], qpix_avg[1], chroma_avg[1],
-                    &weight_op[3], &weight_avg[3],
-                    IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
-            }else if(IS_SUB_8X4(sub_mb_type)){
-                mc_part(h, n  , 0, 2, 4, dest_y, dest_cb, dest_cr, x_offset, y_offset,
-                    qpix_put[2], chroma_put[1], qpix_avg[2], chroma_avg[1],
-                    &weight_op[4], &weight_avg[4],
-                    IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
-                mc_part(h, n+2, 0, 2, 4, dest_y, dest_cb, dest_cr, x_offset, y_offset+2,
-                    qpix_put[2], chroma_put[1], qpix_avg[2], chroma_avg[1],
-                    &weight_op[4], &weight_avg[4],
-                    IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
-            }else if(IS_SUB_4X8(sub_mb_type)){
-                mc_part(h, n  , 0, 4, 4*h->mb_linesize, dest_y, dest_cb, dest_cr, x_offset, y_offset,
-                    qpix_put[2], chroma_put[2], qpix_avg[2], chroma_avg[2],
-                    &weight_op[5], &weight_avg[5],
-                    IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
-                mc_part(h, n+1, 0, 4, 4*h->mb_linesize, dest_y, dest_cb, dest_cr, x_offset+2, y_offset,
-                    qpix_put[2], chroma_put[2], qpix_avg[2], chroma_avg[2],
-                    &weight_op[5], &weight_avg[5],
-                    IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
-            }else{
-                int j;
-                assert(IS_SUB_4X4(sub_mb_type));
-                for(j=0; j<4; j++){
-                    int sub_x_offset= x_offset + 2*(j&1);
-                    int sub_y_offset= y_offset +   (j&2);
-                    mc_part(h, n+j, 1, 2, 0, dest_y, dest_cb, dest_cr, sub_x_offset, sub_y_offset,
-                        qpix_put[2], chroma_put[2], qpix_avg[2], chroma_avg[2],
-                        &weight_op[6], &weight_avg[6],
-                        IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
-                }
-            }
-        }
-    }
-
-    prefetch_motion(h, 1);
-}
-
-static void decode_init_vlc(void){
-    static int done = 0;
-
-    if (!done) {
-        int i;
-        done = 1;
-
-        init_vlc(&chroma_dc_coeff_token_vlc, CHROMA_DC_COEFF_TOKEN_VLC_BITS, 4*5,
-                 &chroma_dc_coeff_token_len [0], 1, 1,
-                 &chroma_dc_coeff_token_bits[0], 1, 1, 1);
-
-        for(i=0; i<4; i++){
-            init_vlc(&coeff_token_vlc[i], COEFF_TOKEN_VLC_BITS, 4*17,
-                     &coeff_token_len [i][0], 1, 1,
-                     &coeff_token_bits[i][0], 1, 1, 1);
-        }
-
-        for(i=0; i<3; i++){
-            init_vlc(&chroma_dc_total_zeros_vlc[i], CHROMA_DC_TOTAL_ZEROS_VLC_BITS, 4,
-                     &chroma_dc_total_zeros_len [i][0], 1, 1,
-                     &chroma_dc_total_zeros_bits[i][0], 1, 1, 1);
-        }
-        for(i=0; i<15; i++){
-            init_vlc(&total_zeros_vlc[i], TOTAL_ZEROS_VLC_BITS, 16,
-                     &total_zeros_len [i][0], 1, 1,
-                     &total_zeros_bits[i][0], 1, 1, 1);
-        }
-
-        for(i=0; i<6; i++){
-            init_vlc(&run_vlc[i], RUN_VLC_BITS, 7,
-                     &run_len [i][0], 1, 1,
-                     &run_bits[i][0], 1, 1, 1);
-        }
-        init_vlc(&run7_vlc, RUN7_VLC_BITS, 16,
-                 &run_len [6][0], 1, 1,
-                 &run_bits[6][0], 1, 1, 1);
-    }
-}
-
-/**
- * Sets the intra prediction function pointers.
- */
-static void init_pred_ptrs(H264Context *h){
-//    MpegEncContext * const s = &h->s;
-
-    h->pred4x4[VERT_PRED           ]= pred4x4_vertical_c;
-    h->pred4x4[HOR_PRED            ]= pred4x4_horizontal_c;
-    h->pred4x4[DC_PRED             ]= pred4x4_dc_c;
-    h->pred4x4[DIAG_DOWN_LEFT_PRED ]= pred4x4_down_left_c;
-    h->pred4x4[DIAG_DOWN_RIGHT_PRED]= pred4x4_down_right_c;
-    h->pred4x4[VERT_RIGHT_PRED     ]= pred4x4_vertical_right_c;
-    h->pred4x4[HOR_DOWN_PRED       ]= pred4x4_horizontal_down_c;
-    h->pred4x4[VERT_LEFT_PRED      ]= pred4x4_vertical_left_c;
-    h->pred4x4[HOR_UP_PRED         ]= pred4x4_horizontal_up_c;
-    h->pred4x4[LEFT_DC_PRED        ]= pred4x4_left_dc_c;
-    h->pred4x4[TOP_DC_PRED         ]= pred4x4_top_dc_c;
-    h->pred4x4[DC_128_PRED         ]= pred4x4_128_dc_c;
-
-    h->pred8x8l[VERT_PRED           ]= pred8x8l_vertical_c;
-    h->pred8x8l[HOR_PRED            ]= pred8x8l_horizontal_c;
-    h->pred8x8l[DC_PRED             ]= pred8x8l_dc_c;
-    h->pred8x8l[DIAG_DOWN_LEFT_PRED ]= pred8x8l_down_left_c;
-    h->pred8x8l[DIAG_DOWN_RIGHT_PRED]= pred8x8l_down_right_c;
-    h->pred8x8l[VERT_RIGHT_PRED     ]= pred8x8l_vertical_right_c;
-    h->pred8x8l[HOR_DOWN_PRED       ]= pred8x8l_horizontal_down_c;
-    h->pred8x8l[VERT_LEFT_PRED      ]= pred8x8l_vertical_left_c;
-    h->pred8x8l[HOR_UP_PRED         ]= pred8x8l_horizontal_up_c;
-    h->pred8x8l[LEFT_DC_PRED        ]= pred8x8l_left_dc_c;
-    h->pred8x8l[TOP_DC_PRED         ]= pred8x8l_top_dc_c;
-    h->pred8x8l[DC_128_PRED         ]= pred8x8l_128_dc_c;
-
-    h->pred8x8[DC_PRED8x8     ]= ff_pred8x8_dc_c;
-    h->pred8x8[VERT_PRED8x8   ]= ff_pred8x8_vertical_c;
-    h->pred8x8[HOR_PRED8x8    ]= ff_pred8x8_horizontal_c;
-    h->pred8x8[PLANE_PRED8x8  ]= ff_pred8x8_plane_c;
-    h->pred8x8[LEFT_DC_PRED8x8]= pred8x8_left_dc_c;
-    h->pred8x8[TOP_DC_PRED8x8 ]= pred8x8_top_dc_c;
-    h->pred8x8[DC_128_PRED8x8 ]= ff_pred8x8_128_dc_c;
-
-    h->pred16x16[DC_PRED8x8     ]= ff_pred16x16_dc_c;
-    h->pred16x16[VERT_PRED8x8   ]= ff_pred16x16_vertical_c;
-    h->pred16x16[HOR_PRED8x8    ]= ff_pred16x16_horizontal_c;
-    h->pred16x16[PLANE_PRED8x8  ]= ff_pred16x16_plane_c;
-    h->pred16x16[LEFT_DC_PRED8x8]= pred16x16_left_dc_c;
-    h->pred16x16[TOP_DC_PRED8x8 ]= pred16x16_top_dc_c;
-    h->pred16x16[DC_128_PRED8x8 ]= ff_pred16x16_128_dc_c;
-}
-
-static void free_tables(H264Context *h){
-    av_freep(&h->intra4x4_pred_mode);
-    av_freep(&h->chroma_pred_mode_table);
-    av_freep(&h->cbp_table);
-    av_freep(&h->mvd_table[0]);
-    av_freep(&h->mvd_table[1]);
-    av_freep(&h->direct_table);
-    av_freep(&h->non_zero_count);
-    av_freep(&h->slice_table_base);
-    av_freep(&h->top_borders[1]);
-    av_freep(&h->top_borders[0]);
-    h->slice_table= NULL;
-
-    av_freep(&h->mb2b_xy);
-    av_freep(&h->mb2b8_xy);
-
-    av_freep(&h->s.obmc_scratchpad);
-}
-
-static void init_dequant8_coeff_table(H264Context *h){
-    int i,q,x;
-    const int transpose = (h->s.dsp.h264_idct8_add != ff_h264_idct8_add_c); //FIXME ugly
-    h->dequant8_coeff[0] = h->dequant8_buffer[0];
-    h->dequant8_coeff[1] = h->dequant8_buffer[1];
-
-    for(i=0; i<2; i++ ){
-        if(i && !memcmp(h->pps.scaling_matrix8[0], h->pps.scaling_matrix8[1], 64*sizeof(uint8_t))){
-            h->dequant8_coeff[1] = h->dequant8_buffer[0];
-            break;
-        }
-
-        for(q=0; q<52; q++){
-            int shift = ff_div6[q];
-            int idx = ff_rem6[q];
-            for(x=0; x<64; x++)
-                h->dequant8_coeff[i][q][transpose ? (x>>3)|((x&7)<<3) : x] =
-                    ((uint32_t)dequant8_coeff_init[idx][ dequant8_coeff_init_scan[((x>>1)&12) | (x&3)] ] *
-                    h->pps.scaling_matrix8[i][x]) << shift;
-        }
-    }
-}
-
-static void init_dequant4_coeff_table(H264Context *h){
-    int i,j,q,x;
-    const int transpose = (h->s.dsp.h264_idct_add != ff_h264_idct_add_c); //FIXME ugly
-    for(i=0; i<6; i++ ){
-        h->dequant4_coeff[i] = h->dequant4_buffer[i];
-        for(j=0; j<i; j++){
-            if(!memcmp(h->pps.scaling_matrix4[j], h->pps.scaling_matrix4[i], 16*sizeof(uint8_t))){
-                h->dequant4_coeff[i] = h->dequant4_buffer[j];
-                break;
-            }
-        }
-        if(j<i)
-            continue;
-
-        for(q=0; q<52; q++){
-            int shift = ff_div6[q] + 2;
-            int idx = ff_rem6[q];
-            for(x=0; x<16; x++)
-                h->dequant4_coeff[i][q][transpose ? (x>>2)|((x<<2)&0xF) : x] =
-                    ((uint32_t)dequant4_coeff_init[idx][(x&1) + ((x>>2)&1)] *
-                    h->pps.scaling_matrix4[i][x]) << shift;
-        }
-    }
-}
-
-static void init_dequant_tables(H264Context *h){
-    int i,x;
-    init_dequant4_coeff_table(h);
-    if(h->pps.transform_8x8_mode)
-        init_dequant8_coeff_table(h);
-    if(h->sps.transform_bypass){
-        for(i=0; i<6; i++)
-            for(x=0; x<16; x++)
-                h->dequant4_coeff[i][0][x] = 1<<6;
-        if(h->pps.transform_8x8_mode)
-            for(i=0; i<2; i++)
-                for(x=0; x<64; x++)
-                    h->dequant8_coeff[i][0][x] = 1<<6;
-    }
-}
-
-
-/**
- * allocates tables.
- * needs width/height
- */
-static int alloc_tables(H264Context *h){
-    MpegEncContext * const s = &h->s;
-    const int big_mb_num= s->mb_stride * (s->mb_height+1);
-    int x,y;
-
-    CHECKED_ALLOCZ(h->intra4x4_pred_mode, big_mb_num * 8  * sizeof(uint8_t))
-
-    CHECKED_ALLOCZ(h->non_zero_count    , big_mb_num * 16 * sizeof(uint8_t))
-    CHECKED_ALLOCZ(h->slice_table_base  , (big_mb_num+s->mb_stride) * sizeof(uint8_t))
-    CHECKED_ALLOCZ(h->top_borders[0]    , s->mb_width * (16+8+8) * sizeof(uint8_t))
-    CHECKED_ALLOCZ(h->top_borders[1]    , s->mb_width * (16+8+8) * sizeof(uint8_t))
-    CHECKED_ALLOCZ(h->cbp_table, big_mb_num * sizeof(uint16_t))
-
-    if( h->pps.cabac ) {
-        CHECKED_ALLOCZ(h->chroma_pred_mode_table, big_mb_num * sizeof(uint8_t))
-        CHECKED_ALLOCZ(h->mvd_table[0], 32*big_mb_num * sizeof(uint16_t));
-        CHECKED_ALLOCZ(h->mvd_table[1], 32*big_mb_num * sizeof(uint16_t));
-        CHECKED_ALLOCZ(h->direct_table, 32*big_mb_num * sizeof(uint8_t));
-    }
-
-    memset(h->slice_table_base, -1, (big_mb_num+s->mb_stride)  * sizeof(uint8_t));
-    h->slice_table= h->slice_table_base + s->mb_stride*2 + 1;
-
-    CHECKED_ALLOCZ(h->mb2b_xy  , big_mb_num * sizeof(uint32_t));
-    CHECKED_ALLOCZ(h->mb2b8_xy , big_mb_num * sizeof(uint32_t));
-    for(y=0; y<s->mb_height; y++){
-        for(x=0; x<s->mb_width; x++){
-            const int mb_xy= x + y*s->mb_stride;
-            const int b_xy = 4*x + 4*y*h->b_stride;
-            const int b8_xy= 2*x + 2*y*h->b8_stride;
-
-            h->mb2b_xy [mb_xy]= b_xy;
-            h->mb2b8_xy[mb_xy]= b8_xy;
-        }
-    }
-
-    s->obmc_scratchpad = NULL;
-
-    if(!h->dequant4_coeff[0])
-        init_dequant_tables(h);
-
-    return 0;
-fail:
-    free_tables(h);
-    return -1;
-}
-
-static void common_init(H264Context *h){
-    MpegEncContext * const s = &h->s;
-
-    s->width = s->avctx->width;
-    s->height = s->avctx->height;
-    s->codec_id= s->avctx->codec->id;
-
-    init_pred_ptrs(h);
-
-    h->dequant_coeff_pps= -1;
-    s->unrestricted_mv=1;
-    s->decode=1; //FIXME
-
-    memset(h->pps.scaling_matrix4, 16, 6*16*sizeof(uint8_t));
-    memset(h->pps.scaling_matrix8, 16, 2*64*sizeof(uint8_t));
-}
-
-static int decode_init(AVCodecContext *avctx){
-    H264Context *h= avctx->priv_data;
-    MpegEncContext * const s = &h->s;
-
-    MPV_decode_defaults(s);
-
-    s->avctx = avctx;
-    common_init(h);
-
-    s->out_format = FMT_H264;
-    s->workaround_bugs= avctx->workaround_bugs;
-
-    // set defaults
-//    s->decode_mb= ff_h263_decode_mb;
-    s->low_delay= 1;
-    avctx->pix_fmt= PIX_FMT_YUV420P;
-
-    decode_init_vlc();
-
-    if(avctx->extradata_size > 0 && avctx->extradata &&
-       *(char *)avctx->extradata == 1){
-        h->is_avc = 1;
-        h->got_avcC = 0;
-    } else {
-        h->is_avc = 0;
-    }
-
-    return 0;
-}
-
-static int frame_start(H264Context *h){
-    MpegEncContext * const s = &h->s;
-    int i;
-
-    if(MPV_frame_start(s, s->avctx) < 0)
-        return -1;
-    ff_er_frame_start(s);
-
-    assert(s->linesize && s->uvlinesize);
-
-    for(i=0; i<16; i++){
-        h->block_offset[i]= 4*((scan8[i] - scan8[0])&7) + 4*s->linesize*((scan8[i] - scan8[0])>>3);
-        h->block_offset[24+i]= 4*((scan8[i] - scan8[0])&7) + 8*s->linesize*((scan8[i] - scan8[0])>>3);
-    }
-    for(i=0; i<4; i++){
-        h->block_offset[16+i]=
-        h->block_offset[20+i]= 4*((scan8[i] - scan8[0])&7) + 4*s->uvlinesize*((scan8[i] - scan8[0])>>3);
-        h->block_offset[24+16+i]=
-        h->block_offset[24+20+i]= 4*((scan8[i] - scan8[0])&7) + 8*s->uvlinesize*((scan8[i] - scan8[0])>>3);
-    }
-
-    /* can't be in alloc_tables because linesize isn't known there.
-     * FIXME: redo bipred weight to not require extra buffer? */
-    if(!s->obmc_scratchpad)
-        s->obmc_scratchpad = av_malloc(16*2*s->linesize + 8*2*s->uvlinesize);
-
-    /* some macroblocks will be accessed before they're available */
-    if(FRAME_MBAFF)
-        memset(h->slice_table, -1, (s->mb_height*s->mb_stride-1) * sizeof(uint8_t));
-
-//    s->decode= (s->flags&CODEC_FLAG_PSNR) || !s->encoding || s->current_picture.reference /*|| h->contains_intra*/ || 1;
-    return 0;
-}
-
-static inline void backup_mb_border(H264Context *h, uint8_t *src_y, uint8_t *src_cb, uint8_t *src_cr, int linesize, int uvlinesize){
-    MpegEncContext * const s = &h->s;
-    int i;
-
-    src_y  -=   linesize;
-    src_cb -= uvlinesize;
-    src_cr -= uvlinesize;
-
-    // There are two lines saved, the line above the the top macroblock of a pair,
-    // and the line above the bottom macroblock
-    h->left_border[0]= h->top_borders[0][s->mb_x][15];
-    for(i=1; i<17; i++){
-        h->left_border[i]= src_y[15+i*  linesize];
-    }
-
-    *(uint64_t*)(h->top_borders[0][s->mb_x]+0)= *(uint64_t*)(src_y +  16*linesize);
-    *(uint64_t*)(h->top_borders[0][s->mb_x]+8)= *(uint64_t*)(src_y +8+16*linesize);
-
-    if(!(s->flags&CODEC_FLAG_GRAY)){
-        h->left_border[17  ]= h->top_borders[0][s->mb_x][16+7];
-        h->left_border[17+9]= h->top_borders[0][s->mb_x][24+7];
-        for(i=1; i<9; i++){
-            h->left_border[i+17  ]= src_cb[7+i*uvlinesize];
-            h->left_border[i+17+9]= src_cr[7+i*uvlinesize];
-        }
-        *(uint64_t*)(h->top_borders[0][s->mb_x]+16)= *(uint64_t*)(src_cb+8*uvlinesize);
-        *(uint64_t*)(h->top_borders[0][s->mb_x]+24)= *(uint64_t*)(src_cr+8*uvlinesize);
-    }
-}
-
-static inline void xchg_mb_border(H264Context *h, uint8_t *src_y, uint8_t *src_cb, uint8_t *src_cr, int linesize, int uvlinesize, int xchg){
-    MpegEncContext * const s = &h->s;
-    int temp8, i;
-    uint64_t temp64;
-    int deblock_left = (s->mb_x > 0);
-    int deblock_top  = (s->mb_y > 0);
-
-    src_y  -=   linesize + 1;
-    src_cb -= uvlinesize + 1;
-    src_cr -= uvlinesize + 1;
-
-#define XCHG(a,b,t,xchg)\
-t= a;\
-if(xchg)\
-    a= b;\
-b= t;
-
-    if(deblock_left){
-        for(i = !deblock_top; i<17; i++){
-            XCHG(h->left_border[i     ], src_y [i*  linesize], temp8, xchg);
-        }
-    }
-
-    if(deblock_top){
-        XCHG(*(uint64_t*)(h->top_borders[0][s->mb_x]+0), *(uint64_t*)(src_y +1), temp64, xchg);
-        XCHG(*(uint64_t*)(h->top_borders[0][s->mb_x]+8), *(uint64_t*)(src_y +9), temp64, 1);
-        if(s->mb_x+1 < s->mb_width){
-            XCHG(*(uint64_t*)(h->top_borders[0][s->mb_x+1]), *(uint64_t*)(src_y +17), temp64, 1);
-        }
-    }
-
-    if(!(s->flags&CODEC_FLAG_GRAY)){
-        if(deblock_left){
-            for(i = !deblock_top; i<9; i++){
-                XCHG(h->left_border[i+17  ], src_cb[i*uvlinesize], temp8, xchg);
-                XCHG(h->left_border[i+17+9], src_cr[i*uvlinesize], temp8, xchg);
-            }
-        }
-        if(deblock_top){
-            XCHG(*(uint64_t*)(h->top_borders[0][s->mb_x]+16), *(uint64_t*)(src_cb+1), temp64, 1);
-            XCHG(*(uint64_t*)(h->top_borders[0][s->mb_x]+24), *(uint64_t*)(src_cr+1), temp64, 1);
-        }
-    }
-}
-
-static inline void backup_pair_border(H264Context *h, uint8_t *src_y, uint8_t *src_cb, uint8_t *src_cr, int linesize, int uvlinesize){
-    MpegEncContext * const s = &h->s;
-    int i;
-
-    src_y  -= 2 *   linesize;
-    src_cb -= 2 * uvlinesize;
-    src_cr -= 2 * uvlinesize;
-
-    // There are two lines saved, the line above the the top macroblock of a pair,
-    // and the line above the bottom macroblock
-    h->left_border[0]= h->top_borders[0][s->mb_x][15];
-    h->left_border[1]= h->top_borders[1][s->mb_x][15];
-    for(i=2; i<34; i++){
-        h->left_border[i]= src_y[15+i*  linesize];
-    }
-
-    *(uint64_t*)(h->top_borders[0][s->mb_x]+0)= *(uint64_t*)(src_y +  32*linesize);
-    *(uint64_t*)(h->top_borders[0][s->mb_x]+8)= *(uint64_t*)(src_y +8+32*linesize);
-    *(uint64_t*)(h->top_borders[1][s->mb_x]+0)= *(uint64_t*)(src_y +  33*linesize);
-    *(uint64_t*)(h->top_borders[1][s->mb_x]+8)= *(uint64_t*)(src_y +8+33*linesize);
-
-    if(!(s->flags&CODEC_FLAG_GRAY)){
-        h->left_border[34     ]= h->top_borders[0][s->mb_x][16+7];
-        h->left_border[34+   1]= h->top_borders[1][s->mb_x][16+7];
-        h->left_border[34+18  ]= h->top_borders[0][s->mb_x][24+7];
-        h->left_border[34+18+1]= h->top_borders[1][s->mb_x][24+7];
-        for(i=2; i<18; i++){
-            h->left_border[i+34   ]= src_cb[7+i*uvlinesize];
-            h->left_border[i+34+18]= src_cr[7+i*uvlinesize];
-        }
-        *(uint64_t*)(h->top_borders[0][s->mb_x]+16)= *(uint64_t*)(src_cb+16*uvlinesize);
-        *(uint64_t*)(h->top_borders[0][s->mb_x]+24)= *(uint64_t*)(src_cr+16*uvlinesize);
-        *(uint64_t*)(h->top_borders[1][s->mb_x]+16)= *(uint64_t*)(src_cb+17*uvlinesize);
-        *(uint64_t*)(h->top_borders[1][s->mb_x]+24)= *(uint64_t*)(src_cr+17*uvlinesize);
-    }
-}
-
-static inline void xchg_pair_border(H264Context *h, uint8_t *src_y, uint8_t *src_cb, uint8_t *src_cr, int linesize, int uvlinesize, int xchg){
-    MpegEncContext * const s = &h->s;
-    int temp8, i;
-    uint64_t temp64;
-    int deblock_left = (s->mb_x > 0);
-    int deblock_top  = (s->mb_y > 1);
-
-    tprintf(s->avctx, "xchg_pair_border: src_y:%p src_cb:%p src_cr:%p ls:%d uvls:%d\n", src_y, src_cb, src_cr, linesize, uvlinesize);
-
-    src_y  -= 2 *   linesize + 1;
-    src_cb -= 2 * uvlinesize + 1;
-    src_cr -= 2 * uvlinesize + 1;
-
-#define XCHG(a,b,t,xchg)\
-t= a;\
-if(xchg)\
-    a= b;\
-b= t;
-
-    if(deblock_left){
-        for(i = (!deblock_top)<<1; i<34; i++){
-            XCHG(h->left_border[i     ], src_y [i*  linesize], temp8, xchg);
-        }
-    }
-
-    if(deblock_top){
-        XCHG(*(uint64_t*)(h->top_borders[0][s->mb_x]+0), *(uint64_t*)(src_y +1), temp64, xchg);
-        XCHG(*(uint64_t*)(h->top_borders[0][s->mb_x]+8), *(uint64_t*)(src_y +9), temp64, 1);
-        XCHG(*(uint64_t*)(h->top_borders[1][s->mb_x]+0), *(uint64_t*)(src_y +1 +linesize), temp64, xchg);
-        XCHG(*(uint64_t*)(h->top_borders[1][s->mb_x]+8), *(uint64_t*)(src_y +9 +linesize), temp64, 1);
-        if(s->mb_x+1 < s->mb_width){
-            XCHG(*(uint64_t*)(h->top_borders[0][s->mb_x+1]), *(uint64_t*)(src_y +17), temp64, 1);
-            XCHG(*(uint64_t*)(h->top_borders[1][s->mb_x+1]), *(uint64_t*)(src_y +17 +linesize), temp64, 1);
-        }
-    }
-
-    if(!(s->flags&CODEC_FLAG_GRAY)){
-        if(deblock_left){
-            for(i = (!deblock_top) << 1; i<18; i++){
-                XCHG(h->left_border[i+34   ], src_cb[i*uvlinesize], temp8, xchg);
-                XCHG(h->left_border[i+34+18], src_cr[i*uvlinesize], temp8, xchg);
-            }
-        }
-        if(deblock_top){
-            XCHG(*(uint64_t*)(h->top_borders[0][s->mb_x]+16), *(uint64_t*)(src_cb+1), temp64, 1);
-            XCHG(*(uint64_t*)(h->top_borders[0][s->mb_x]+24), *(uint64_t*)(src_cr+1), temp64, 1);
-            XCHG(*(uint64_t*)(h->top_borders[1][s->mb_x]+16), *(uint64_t*)(src_cb+1 +uvlinesize), temp64, 1);
-            XCHG(*(uint64_t*)(h->top_borders[1][s->mb_x]+24), *(uint64_t*)(src_cr+1 +uvlinesize), temp64, 1);
-        }
-    }
-}
-
-static av_always_inline void hl_decode_mb_internal(H264Context *h, int simple){
-    MpegEncContext * const s = &h->s;
-    const int mb_x= s->mb_x;
-    const int mb_y= s->mb_y;
-    const int mb_xy= mb_x + mb_y*s->mb_stride;
-    const int mb_type= s->current_picture.mb_type[mb_xy];
-    uint8_t  *dest_y, *dest_cb, *dest_cr;
-    int linesize, uvlinesize /*dct_offset*/;
-    int i;
-    int *block_offset = &h->block_offset[0];
-    const unsigned int bottom = mb_y & 1;
-    const int transform_bypass = (s->qscale == 0 && h->sps.transform_bypass), is_h264 = (simple || s->codec_id == CODEC_ID_H264);
-    void (*idct_add)(uint8_t *dst, DCTELEM *block, int stride);
-    void (*idct_dc_add)(uint8_t *dst, DCTELEM *block, int stride);
-
-    dest_y  = s->current_picture.data[0] + (mb_y * 16* s->linesize  ) + mb_x * 16;
-    dest_cb = s->current_picture.data[1] + (mb_y * 8 * s->uvlinesize) + mb_x * 8;
-    dest_cr = s->current_picture.data[2] + (mb_y * 8 * s->uvlinesize) + mb_x * 8;
-
-    s->dsp.prefetch(dest_y + (s->mb_x&3)*4*s->linesize + 64, s->linesize, 4);
-    s->dsp.prefetch(dest_cb + (s->mb_x&7)*s->uvlinesize + 64, dest_cr - dest_cb, 2);
-
-    if (!simple && MB_FIELD) {
-        linesize   = h->mb_linesize   = s->linesize * 2;
-        uvlinesize = h->mb_uvlinesize = s->uvlinesize * 2;
-        block_offset = &h->block_offset[24];
-        if(mb_y&1){ //FIXME move out of this func?
-            dest_y -= s->linesize*15;
-            dest_cb-= s->uvlinesize*7;
-            dest_cr-= s->uvlinesize*7;
-        }
-        if(FRAME_MBAFF) {
-            int list;
-            for(list=0; list<h->list_count; list++){
-                if(!USES_LIST(mb_type, list))
-                    continue;
-                if(IS_16X16(mb_type)){
-                    int8_t *ref = &h->ref_cache[list][scan8[0]];
-                    fill_rectangle(ref, 4, 4, 8, 16+*ref^(s->mb_y&1), 1);
-                }else{
-                    for(i=0; i<16; i+=4){
-                        //FIXME can refs be smaller than 8x8 when !direct_8x8_inference ?
-                        int ref = h->ref_cache[list][scan8[i]];
-                        if(ref >= 0)
-                            fill_rectangle(&h->ref_cache[list][scan8[i]], 2, 2, 8, 16+ref^(s->mb_y&1), 1);
-                    }
-                }
-            }
-        }
-    } else {
-        linesize   = h->mb_linesize   = s->linesize;
-        uvlinesize = h->mb_uvlinesize = s->uvlinesize;
-//        dct_offset = s->linesize * 16;
-    }
-
-    if(transform_bypass){
-        idct_dc_add =
-        idct_add = IS_8x8DCT(mb_type) ? s->dsp.add_pixels8 : s->dsp.add_pixels4;
-    }else if(IS_8x8DCT(mb_type)){
-        idct_dc_add = s->dsp.h264_idct8_dc_add;
-        idct_add = s->dsp.h264_idct8_add;
-    }else{
-        idct_dc_add = s->dsp.h264_idct_dc_add;
-        idct_add = s->dsp.h264_idct_add;
-    }
-
-    if(!simple && FRAME_MBAFF && h->deblocking_filter && IS_INTRA(mb_type)
-       && (!bottom || !IS_INTRA(s->current_picture.mb_type[mb_xy-s->mb_stride]))){
-        int mbt_y = mb_y&~1;
-        uint8_t *top_y  = s->current_picture.data[0] + (mbt_y * 16* s->linesize  ) + mb_x * 16;
-        uint8_t *top_cb = s->current_picture.data[1] + (mbt_y * 8 * s->uvlinesize) + mb_x * 8;
-        uint8_t *top_cr = s->current_picture.data[2] + (mbt_y * 8 * s->uvlinesize) + mb_x * 8;
-        xchg_pair_border(h, top_y, top_cb, top_cr, s->linesize, s->uvlinesize, 1);
-    }
-
-    if (!simple && IS_INTRA_PCM(mb_type)) {
-        unsigned int x, y;
-
-        // The pixels are stored in h->mb array in the same order as levels,
-        // copy them in output in the correct order.
-        for(i=0; i<16; i++) {
-            for (y=0; y<4; y++) {
-                for (x=0; x<4; x++) {
-                    *(dest_y + block_offset[i] + y*linesize + x) = h->mb[i*16+y*4+x];
-                }
-            }
-        }
-        for(i=16; i<16+4; i++) {
-            for (y=0; y<4; y++) {
-                for (x=0; x<4; x++) {
-                    *(dest_cb + block_offset[i] + y*uvlinesize + x) = h->mb[i*16+y*4+x];
-                }
-            }
-        }
-        for(i=20; i<20+4; i++) {
-            for (y=0; y<4; y++) {
-                for (x=0; x<4; x++) {
-                    *(dest_cr + block_offset[i] + y*uvlinesize + x) = h->mb[i*16+y*4+x];
-                }
-            }
-        }
-    } else {
-        if(IS_INTRA(mb_type)){
-            if(h->deblocking_filter && (simple || !FRAME_MBAFF))
-                xchg_mb_border(h, dest_y, dest_cb, dest_cr, linesize, uvlinesize, 1);
-
-            if(simple || !(s->flags&CODEC_FLAG_GRAY)){
-                h->pred8x8[ h->chroma_pred_mode ](dest_cb, uvlinesize);
-                h->pred8x8[ h->chroma_pred_mode ](dest_cr, uvlinesize);
-            }
-
-            if(IS_INTRA4x4(mb_type)){
-                if(simple || !s->encoding){
-                    if(IS_8x8DCT(mb_type)){
-                        for(i=0; i<16; i+=4){
-                            uint8_t * const ptr= dest_y + block_offset[i];
-                            const int dir= h->intra4x4_pred_mode_cache[ scan8[i] ];
-                            const int nnz = h->non_zero_count_cache[ scan8[i] ];
-                            h->pred8x8l[ dir ](ptr, (h->topleft_samples_available<<i)&0x8000,
-                                                   (h->topright_samples_available<<i)&0x4000, linesize);
-                            if(nnz){
-                                if(nnz == 1 && h->mb[i*16])
-                                    idct_dc_add(ptr, h->mb + i*16, linesize);
-                                else
-                                    idct_add(ptr, h->mb + i*16, linesize);
-                            }
-                        }
-                    }else
-                    for(i=0; i<16; i++){
-                        uint8_t * const ptr= dest_y + block_offset[i];
-                        uint8_t *topright;
-                        const int dir= h->intra4x4_pred_mode_cache[ scan8[i] ];
-                        int nnz, tr;
-
-                        if(dir == DIAG_DOWN_LEFT_PRED || dir == VERT_LEFT_PRED){
-                            const int topright_avail= (h->topright_samples_available<<i)&0x8000;
-                            assert(mb_y || linesize <= block_offset[i]);
-                            if(!topright_avail){
-                                tr= ptr[3 - linesize]*0x01010101;
-                                topright= (uint8_t*) &tr;
-                            }else
-                                topright= ptr + 4 - linesize;
-                        }else
-                            topright= NULL;
-
-                        h->pred4x4[ dir ](ptr, topright, linesize);
-                        nnz = h->non_zero_count_cache[ scan8[i] ];
-                        if(nnz){
-                            if(is_h264){
-                                if(nnz == 1 && h->mb[i*16])
-                                    idct_dc_add(ptr, h->mb + i*16, linesize);
-                                else
-                                    idct_add(ptr, h->mb + i*16, linesize);
-                            }else
-                                svq3_add_idct_c(ptr, h->mb + i*16, linesize, s->qscale, 0);
-                        }
-                    }
-                }
-            }else{
-                h->pred16x16[ h->intra16x16_pred_mode ](dest_y , linesize);
-                if(is_h264){
-                    if(!transform_bypass)
-                        h264_luma_dc_dequant_idct_c(h->mb, s->qscale, h->dequant4_coeff[IS_INTRA(mb_type) ? 0:3][s->qscale][0]);
-                }else
-                    svq3_luma_dc_dequant_idct_c(h->mb, s->qscale);
-            }
-            if(h->deblocking_filter && (simple || !FRAME_MBAFF))
-                xchg_mb_border(h, dest_y, dest_cb, dest_cr, linesize, uvlinesize, 0);
-        }else if(is_h264){
-            hl_motion(h, dest_y, dest_cb, dest_cr,
-                      s->me.qpel_put, s->dsp.put_h264_chroma_pixels_tab,
-                      s->me.qpel_avg, s->dsp.avg_h264_chroma_pixels_tab,
-                      s->dsp.weight_h264_pixels_tab, s->dsp.biweight_h264_pixels_tab);
-        }
-
-
-        if(!IS_INTRA4x4(mb_type)){
-            if(is_h264){
-                if(IS_INTRA16x16(mb_type)){
-                    for(i=0; i<16; i++){
-                        if(h->non_zero_count_cache[ scan8[i] ])
-                            idct_add(dest_y + block_offset[i], h->mb + i*16, linesize);
-                        else if(h->mb[i*16])
-                            idct_dc_add(dest_y + block_offset[i], h->mb + i*16, linesize);
-                    }
-                }else{
-                    const int di = IS_8x8DCT(mb_type) ? 4 : 1;
-                    for(i=0; i<16; i+=di){
-                        int nnz = h->non_zero_count_cache[ scan8[i] ];
-                        if(nnz){
-                            if(nnz==1 && h->mb[i*16])
-                                idct_dc_add(dest_y + block_offset[i], h->mb + i*16, linesize);
-                            else
-                                idct_add(dest_y + block_offset[i], h->mb + i*16, linesize);
-                        }
-                    }
-                }
-            }else{
-                for(i=0; i<16; i++){
-                    if(h->non_zero_count_cache[ scan8[i] ] || h->mb[i*16]){ //FIXME benchmark weird rule, & below
-                        uint8_t * const ptr= dest_y + block_offset[i];
-                        svq3_add_idct_c(ptr, h->mb + i*16, linesize, s->qscale, IS_INTRA(mb_type) ? 1 : 0);
-                    }
-                }
-            }
-        }
-
-        if(simple || !(s->flags&CODEC_FLAG_GRAY)){
-            uint8_t *dest[2] = {dest_cb, dest_cr};
-            if(transform_bypass){
-                idct_add = idct_dc_add = s->dsp.add_pixels4;
-            }else{
-                idct_add = s->dsp.h264_idct_add;
-                idct_dc_add = s->dsp.h264_idct_dc_add;
-                chroma_dc_dequant_idct_c(h->mb + 16*16, h->chroma_qp, h->dequant4_coeff[IS_INTRA(mb_type) ? 1:4][h->chroma_qp][0]);
-                chroma_dc_dequant_idct_c(h->mb + 16*16+4*16, h->chroma_qp, h->dequant4_coeff[IS_INTRA(mb_type) ? 2:5][h->chroma_qp][0]);
-            }
-            if(is_h264){
-                for(i=16; i<16+8; i++){
-                    if(h->non_zero_count_cache[ scan8[i] ])
-                        idct_add(dest[(i&4)>>2] + block_offset[i], h->mb + i*16, uvlinesize);
-                    else if(h->mb[i*16])
-                        idct_dc_add(dest[(i&4)>>2] + block_offset[i], h->mb + i*16, uvlinesize);
-                }
-            }else{
-                for(i=16; i<16+8; i++){
-                    if(h->non_zero_count_cache[ scan8[i] ] || h->mb[i*16]){
-                        uint8_t * const ptr= dest[(i&4)>>2] + block_offset[i];
-                        svq3_add_idct_c(ptr, h->mb + i*16, uvlinesize, chroma_qp[s->qscale + 12] - 12, 2);
-                    }
-                }
-            }
-        }
-    }
-    if(h->deblocking_filter) {
-        if (!simple && FRAME_MBAFF) {
-            //FIXME try deblocking one mb at a time?
-            // the reduction in load/storing mvs and such might outweigh the extra backup/xchg_border
-            const int mb_y = s->mb_y - 1;
-            uint8_t  *pair_dest_y, *pair_dest_cb, *pair_dest_cr;
-            const int mb_xy= mb_x + mb_y*s->mb_stride;
-            const int mb_type_top   = s->current_picture.mb_type[mb_xy];
-            const int mb_type_bottom= s->current_picture.mb_type[mb_xy+s->mb_stride];
-            if (!bottom) return;
-            pair_dest_y  = s->current_picture.data[0] + (mb_y * 16* s->linesize  ) + mb_x * 16;
-            pair_dest_cb = s->current_picture.data[1] + (mb_y * 8 * s->uvlinesize) + mb_x * 8;
-            pair_dest_cr = s->current_picture.data[2] + (mb_y * 8 * s->uvlinesize) + mb_x * 8;
-
-            if(IS_INTRA(mb_type_top | mb_type_bottom))
-                xchg_pair_border(h, pair_dest_y, pair_dest_cb, pair_dest_cr, s->linesize, s->uvlinesize, 0);
-
-            backup_pair_border(h, pair_dest_y, pair_dest_cb, pair_dest_cr, s->linesize, s->uvlinesize);
-            // deblock a pair
-            // top
-            s->mb_y--;
-            tprintf(h->s.avctx, "call mbaff filter_mb mb_x:%d mb_y:%d pair_dest_y = %p, dest_y = %p\n", mb_x, mb_y, pair_dest_y, dest_y);
-            fill_caches(h, mb_type_top, 1); //FIXME don't fill stuff which isn't used by filter_mb
-            h->chroma_qp = get_chroma_qp(h->pps.chroma_qp_index_offset, s->current_picture.qscale_table[mb_xy]);
-            filter_mb(h, mb_x, mb_y, pair_dest_y, pair_dest_cb, pair_dest_cr, linesize, uvlinesize);
-            // bottom
-            s->mb_y++;
-            tprintf(h->s.avctx, "call mbaff filter_mb\n");
-            fill_caches(h, mb_type_bottom, 1); //FIXME don't fill stuff which isn't used by filter_mb
-            h->chroma_qp = get_chroma_qp(h->pps.chroma_qp_index_offset, s->current_picture.qscale_table[mb_xy+s->mb_stride]);
-            filter_mb(h, mb_x, mb_y+1, dest_y, dest_cb, dest_cr, linesize, uvlinesize);
-        } else {
-            tprintf(h->s.avctx, "call filter_mb\n");
-            backup_mb_border(h, dest_y, dest_cb, dest_cr, linesize, uvlinesize);
-            fill_caches(h, mb_type, 1); //FIXME don't fill stuff which isn't used by filter_mb
-            filter_mb_fast(h, mb_x, mb_y, dest_y, dest_cb, dest_cr, linesize, uvlinesize);
-        }
-    }
-}
-
-/**
- * Process a macroblock; this case avoids checks for expensive uncommon cases.
- */
-static void hl_decode_mb_simple(H264Context *h){
-    hl_decode_mb_internal(h, 1);
-}
-
-/**
- * Process a macroblock; this handles edge cases, such as interlacing.
- */
-static void av_noinline hl_decode_mb_complex(H264Context *h){
-    hl_decode_mb_internal(h, 0);
-}
-
-static void hl_decode_mb(H264Context *h){
-    MpegEncContext * const s = &h->s;
-    const int mb_x= s->mb_x;
-    const int mb_y= s->mb_y;
-    const int mb_xy= mb_x + mb_y*s->mb_stride;
-    const int mb_type= s->current_picture.mb_type[mb_xy];
-    int is_complex = FRAME_MBAFF || MB_FIELD || IS_INTRA_PCM(mb_type) || s->codec_id != CODEC_ID_H264 || (s->flags&CODEC_FLAG_GRAY) || s->encoding;
-
-    if(!s->decode)
-        return;
-
-    if (is_complex)
-        hl_decode_mb_complex(h);
-    else hl_decode_mb_simple(h);
-}
-
-/**
- * fills the default_ref_list.
- */
-static int fill_default_ref_list(H264Context *h){
-    MpegEncContext * const s = &h->s;
-    int i;
-    int smallest_poc_greater_than_current = -1;
-    Picture sorted_short_ref[32];
-
-    if(h->slice_type==B_TYPE){
-        int out_i;
-        int limit= INT_MIN;
-
-        /* sort frame according to poc in B slice */
-        for(out_i=0; out_i<h->short_ref_count; out_i++){
-            int best_i=INT_MIN;
-            int best_poc=INT_MAX;
-
-            for(i=0; i<h->short_ref_count; i++){
-                const int poc= h->short_ref[i]->poc;
-                if(poc > limit && poc < best_poc){
-                    best_poc= poc;
-                    best_i= i;
-                }
-            }
-
-            assert(best_i != INT_MIN);
-
-            limit= best_poc;
-            sorted_short_ref[out_i]= *h->short_ref[best_i];
-            tprintf(h->s.avctx, "sorted poc: %d->%d poc:%d fn:%d\n", best_i, out_i, sorted_short_ref[out_i].poc, sorted_short_ref[out_i].frame_num);
-            if (-1 == smallest_poc_greater_than_current) {
-                if (h->short_ref[best_i]->poc >= s->current_picture_ptr->poc) {
-                    smallest_poc_greater_than_current = out_i;
-                }
-            }
-        }
-    }
-
-    if(s->picture_structure == PICT_FRAME){
-        if(h->slice_type==B_TYPE){
-            int list;
-            tprintf(h->s.avctx, "current poc: %d, smallest_poc_greater_than_current: %d\n", s->current_picture_ptr->poc, smallest_poc_greater_than_current);
-
-            // find the largest poc
-            for(list=0; list<2; list++){
-                int index = 0;
-                int j= -99;
-                int step= list ? -1 : 1;
-
-                for(i=0; i<h->short_ref_count && index < h->ref_count[list]; i++, j+=step) {
-                    while(j<0 || j>= h->short_ref_count){
-                        if(j != -99 && step == (list ? -1 : 1))
-                            return -1;
-                        step = -step;
-                        j= smallest_poc_greater_than_current + (step>>1);
-                    }
-                    if(sorted_short_ref[j].reference != 3) continue;
-                    h->default_ref_list[list][index  ]= sorted_short_ref[j];
-                    h->default_ref_list[list][index++].pic_id= sorted_short_ref[j].frame_num;
-                }
-
-                for(i = 0; i < 16 && index < h->ref_count[ list ]; i++){
-                    if(h->long_ref[i] == NULL) continue;
-                    if(h->long_ref[i]->reference != 3) continue;
-
-                    h->default_ref_list[ list ][index  ]= *h->long_ref[i];
-                    h->default_ref_list[ list ][index++].pic_id= i;;
-                }
-
-                if(list && (smallest_poc_greater_than_current<=0 || smallest_poc_greater_than_current>=h->short_ref_count) && (1 < index)){
-                    // swap the two first elements of L1 when
-                    // L0 and L1 are identical
-                    Picture temp= h->default_ref_list[1][0];
-                    h->default_ref_list[1][0] = h->default_ref_list[1][1];
-                    h->default_ref_list[1][1] = temp;
-                }
-
-                if(index < h->ref_count[ list ])
-                    memset(&h->default_ref_list[list][index], 0, sizeof(Picture)*(h->ref_count[ list ] - index));
-            }
-        }else{
-            int index=0;
-            for(i=0; i<h->short_ref_count; i++){
-                if(h->short_ref[i]->reference != 3) continue; //FIXME refernce field shit
-                h->default_ref_list[0][index  ]= *h->short_ref[i];
-                h->default_ref_list[0][index++].pic_id= h->short_ref[i]->frame_num;
-            }
-            for(i = 0; i < 16; i++){
-                if(h->long_ref[i] == NULL) continue;
-                if(h->long_ref[i]->reference != 3) continue;
-                h->default_ref_list[0][index  ]= *h->long_ref[i];
-                h->default_ref_list[0][index++].pic_id= i;;
-            }
-            if(index < h->ref_count[0])
-                memset(&h->default_ref_list[0][index], 0, sizeof(Picture)*(h->ref_count[0] - index));
-        }
-    }else{ //FIELD
-        if(h->slice_type==B_TYPE){
-        }else{
-            //FIXME second field balh
-        }
-    }
-#ifdef TRACE
-    for (i=0; i<h->ref_count[0]; i++) {
-        tprintf(h->s.avctx, "List0: %s fn:%d 0x%p\n", (h->default_ref_list[0][i].long_ref ? "LT" : "ST"), h->default_ref_list[0][i].pic_id, h->default_ref_list[0][i].data[0]);
-    }
-    if(h->slice_type==B_TYPE){
-        for (i=0; i<h->ref_count[1]; i++) {
-            tprintf(h->s.avctx, "List1: %s fn:%d 0x%p\n", (h->default_ref_list[1][i].long_ref ? "LT" : "ST"), h->default_ref_list[1][i].pic_id, h->default_ref_list[0][i].data[0]);
-        }
-    }
-#endif
-    return 0;
-}
-
-static void print_short_term(H264Context *h);
-static void print_long_term(H264Context *h);
-
-static int decode_ref_pic_list_reordering(H264Context *h){
-    MpegEncContext * const s = &h->s;
-    int list, index;
-
-    print_short_term(h);
-    print_long_term(h);
-    if(h->slice_type==I_TYPE || h->slice_type==SI_TYPE) return 0; //FIXME move before func
-
-    for(list=0; list<h->list_count; list++){
-        memcpy(h->ref_list[list], h->default_ref_list[list], sizeof(Picture)*h->ref_count[list]);
-
-        if(get_bits1(&s->gb)){
-            int pred= h->curr_pic_num;
-
-            for(index=0; ; index++){
-                unsigned int reordering_of_pic_nums_idc= get_ue_golomb(&s->gb);
-                unsigned int pic_id;
-                int i;
-                Picture *ref = NULL;
-
-                if(reordering_of_pic_nums_idc==3)
-                    break;
-
-                if(index >= h->ref_count[list]){
-                    av_log(h->s.avctx, AV_LOG_ERROR, "reference count overflow\n");
-                    return -1;
-                }
-
-                if(reordering_of_pic_nums_idc<3){
-                    if(reordering_of_pic_nums_idc<2){
-                        const unsigned int abs_diff_pic_num= get_ue_golomb(&s->gb) + 1;
-
-                        if(abs_diff_pic_num >= h->max_pic_num){
-                            av_log(h->s.avctx, AV_LOG_ERROR, "abs_diff_pic_num overflow\n");
-                            return -1;
-                        }
-
-                        if(reordering_of_pic_nums_idc == 0) pred-= abs_diff_pic_num;
-                        else                                pred+= abs_diff_pic_num;
-                        pred &= h->max_pic_num - 1;
-
-                        for(i= h->short_ref_count-1; i>=0; i--){
-                            ref = h->short_ref[i];
-                            assert(ref->reference == 3);
-                            assert(!ref->long_ref);
-                            if(ref->data[0] != NULL && ref->frame_num == pred && ref->long_ref == 0) // ignore non existing pictures by testing data[0] pointer
-                                break;
-                        }
-                        if(i>=0)
-                            ref->pic_id= ref->frame_num;
-                    }else{
-                        pic_id= get_ue_golomb(&s->gb); //long_term_pic_idx
-                        if(pic_id>31){
-                            av_log(h->s.avctx, AV_LOG_ERROR, "long_term_pic_idx overflow\n");
-                            return -1;
-                        }
-                        ref = h->long_ref[pic_id];
-                        if(ref){
-                            ref->pic_id= pic_id;
-                            assert(ref->reference == 3);
-                            assert(ref->long_ref);
-                            i=0;
-                        }else{
-                            i=-1;
-                        }
-                    }
-
-                    if (i < 0) {
-                        av_log(h->s.avctx, AV_LOG_ERROR, "reference picture missing during reorder\n");
-                        memset(&h->ref_list[list][index], 0, sizeof(Picture)); //FIXME
-                    } else {
-                        for(i=index; i+1<h->ref_count[list]; i++){
-                            if(ref->long_ref == h->ref_list[list][i].long_ref && ref->pic_id == h->ref_list[list][i].pic_id)
-                                break;
-                        }
-                        for(; i > index; i--){
-                            h->ref_list[list][i]= h->ref_list[list][i-1];
-                        }
-                        h->ref_list[list][index]= *ref;
-                    }
-                }else{
-                    av_log(h->s.avctx, AV_LOG_ERROR, "illegal reordering_of_pic_nums_idc\n");
-                    return -1;
-                }
-            }
-        }
-    }
-    for(list=0; list<h->list_count; list++){
-        for(index= 0; index < h->ref_count[list]; index++){
-            if(!h->ref_list[list][index].data[0])
-                h->ref_list[list][index]= s->current_picture;
-        }
-    }
-
-    if(h->slice_type==B_TYPE && !h->direct_spatial_mv_pred)
-        direct_dist_scale_factor(h);
-    direct_ref_list_init(h);
-    return 0;
-}
-
-static void fill_mbaff_ref_list(H264Context *h){
-    int list, i, j;
-    for(list=0; list<2; list++){ //FIXME try list_count
-        for(i=0; i<h->ref_count[list]; i++){
-            Picture *frame = &h->ref_list[list][i];
-            Picture *field = &h->ref_list[list][16+2*i];
-            field[0] = *frame;
-            for(j=0; j<3; j++)
-                field[0].linesize[j] <<= 1;
-            field[1] = field[0];
-            for(j=0; j<3; j++)
-                field[1].data[j] += frame->linesize[j];
-
-            h->luma_weight[list][16+2*i] = h->luma_weight[list][16+2*i+1] = h->luma_weight[list][i];
-            h->luma_offset[list][16+2*i] = h->luma_offset[list][16+2*i+1] = h->luma_offset[list][i];
-            for(j=0; j<2; j++){
-                h->chroma_weight[list][16+2*i][j] = h->chroma_weight[list][16+2*i+1][j] = h->chroma_weight[list][i][j];
-                h->chroma_offset[list][16+2*i][j] = h->chroma_offset[list][16+2*i+1][j] = h->chroma_offset[list][i][j];
-            }
-        }
-    }
-    for(j=0; j<h->ref_count[1]; j++){
-        for(i=0; i<h->ref_count[0]; i++)
-            h->implicit_weight[j][16+2*i] = h->implicit_weight[j][16+2*i+1] = h->implicit_weight[j][i];
-        memcpy(h->implicit_weight[16+2*j],   h->implicit_weight[j], sizeof(*h->implicit_weight));
-        memcpy(h->implicit_weight[16+2*j+1], h->implicit_weight[j], sizeof(*h->implicit_weight));
-    }
-}
-
-static int pred_weight_table(H264Context *h){
-    MpegEncContext * const s = &h->s;
-    int list, i;
-    int luma_def, chroma_def;
-
-    h->use_weight= 0;
-    h->use_weight_chroma= 0;
-    h->luma_log2_weight_denom= get_ue_golomb(&s->gb);
-    h->chroma_log2_weight_denom= get_ue_golomb(&s->gb);
-    luma_def = 1<<h->luma_log2_weight_denom;
-    chroma_def = 1<<h->chroma_log2_weight_denom;
-
-    for(list=0; list<2; list++){
-        for(i=0; i<h->ref_count[list]; i++){
-            int luma_weight_flag, chroma_weight_flag;
-
-            luma_weight_flag= get_bits1(&s->gb);
-            if(luma_weight_flag){
-                h->luma_weight[list][i]= get_se_golomb(&s->gb);
-                h->luma_offset[list][i]= get_se_golomb(&s->gb);
-                if(   h->luma_weight[list][i] != luma_def
-                   || h->luma_offset[list][i] != 0)
-                    h->use_weight= 1;
-            }else{
-                h->luma_weight[list][i]= luma_def;
-                h->luma_offset[list][i]= 0;
-            }
-
-            chroma_weight_flag= get_bits1(&s->gb);
-            if(chroma_weight_flag){
-                int j;
-                for(j=0; j<2; j++){
-                    h->chroma_weight[list][i][j]= get_se_golomb(&s->gb);
-                    h->chroma_offset[list][i][j]= get_se_golomb(&s->gb);
-                    if(   h->chroma_weight[list][i][j] != chroma_def
-                       || h->chroma_offset[list][i][j] != 0)
-                        h->use_weight_chroma= 1;
-                }
-            }else{
-                int j;
-                for(j=0; j<2; j++){
-                    h->chroma_weight[list][i][j]= chroma_def;
-                    h->chroma_offset[list][i][j]= 0;
-                }
-            }
-        }
-        if(h->slice_type != B_TYPE) break;
-    }
-    h->use_weight= h->use_weight || h->use_weight_chroma;
-    return 0;
-}
-
-static void implicit_weight_table(H264Context *h){
-    MpegEncContext * const s = &h->s;
-    int ref0, ref1;
-    int cur_poc = s->current_picture_ptr->poc;
-
-    if(   h->ref_count[0] == 1 && h->ref_count[1] == 1
-       && h->ref_list[0][0].poc + h->ref_list[1][0].poc == 2*cur_poc){
-        h->use_weight= 0;
-        h->use_weight_chroma= 0;
-        return;
-    }
-
-    h->use_weight= 2;
-    h->use_weight_chroma= 2;
-    h->luma_log2_weight_denom= 5;
-    h->chroma_log2_weight_denom= 5;
-
-    for(ref0=0; ref0 < h->ref_count[0]; ref0++){
-        int poc0 = h->ref_list[0][ref0].poc;
-        for(ref1=0; ref1 < h->ref_count[1]; ref1++){
-            int poc1 = h->ref_list[1][ref1].poc;
-            int td = av_clip(poc1 - poc0, -128, 127);
-            if(td){
-                int tb = av_clip(cur_poc - poc0, -128, 127);
-                int tx = (16384 + (FFABS(td) >> 1)) / td;
-                int dist_scale_factor = av_clip((tb*tx + 32) >> 6, -1024, 1023) >> 2;
-                if(dist_scale_factor < -64 || dist_scale_factor > 128)
-                    h->implicit_weight[ref0][ref1] = 32;
-                else
-                    h->implicit_weight[ref0][ref1] = 64 - dist_scale_factor;
-            }else
-                h->implicit_weight[ref0][ref1] = 32;
-        }
-    }
-}
-
-static inline void unreference_pic(H264Context *h, Picture *pic){
-    int i;
-    pic->reference=0;
-    if(pic == h->delayed_output_pic)
-        pic->reference=1;
-    else{
-        for(i = 0; h->delayed_pic[i]; i++)
-            if(pic == h->delayed_pic[i]){
-                pic->reference=1;
-                break;
-            }
-    }
-}
-
-/**
- * instantaneous decoder refresh.
- */
-static void idr(H264Context *h){
-    int i;
-
-    for(i=0; i<16; i++){
-        if (h->long_ref[i] != NULL) {
-            unreference_pic(h, h->long_ref[i]);
-            h->long_ref[i]= NULL;
-        }
-    }
-    h->long_ref_count=0;
-
-    for(i=0; i<h->short_ref_count; i++){
-        unreference_pic(h, h->short_ref[i]);
-        h->short_ref[i]= NULL;
-    }
-    h->short_ref_count=0;
-}
-
-/* forget old pics after a seek */
-static void flush_dpb(AVCodecContext *avctx){
-    H264Context *h= avctx->priv_data;
-    int i;
-    for(i=0; i<16; i++) {
-        if(h->delayed_pic[i])
-            h->delayed_pic[i]->reference= 0;
-        h->delayed_pic[i]= NULL;
-    }
-    if(h->delayed_output_pic)
-        h->delayed_output_pic->reference= 0;
-    h->delayed_output_pic= NULL;
-    idr(h);
-    if(h->s.current_picture_ptr)
-        h->s.current_picture_ptr->reference= 0;
-}
-
-/**
- *
- * @return the removed picture or NULL if an error occurs
- */
-static Picture * remove_short(H264Context *h, int frame_num){
-    MpegEncContext * const s = &h->s;
-    int i;
-
-    if(s->avctx->debug&FF_DEBUG_MMCO)
-        av_log(h->s.avctx, AV_LOG_DEBUG, "remove short %d count %d\n", frame_num, h->short_ref_count);
-
-    for(i=0; i<h->short_ref_count; i++){
-        Picture *pic= h->short_ref[i];
-        if(s->avctx->debug&FF_DEBUG_MMCO)
-            av_log(h->s.avctx, AV_LOG_DEBUG, "%d %d %p\n", i, pic->frame_num, pic);
-        if(pic->frame_num == frame_num){
-            h->short_ref[i]= NULL;
-            memmove(&h->short_ref[i], &h->short_ref[i+1], (h->short_ref_count - i - 1)*sizeof(Picture*));
-            h->short_ref_count--;
-            return pic;
-        }
-    }
-    return NULL;
-}
-
-/**
- *
- * @return the removed picture or NULL if an error occurs
- */
-static Picture * remove_long(H264Context *h, int i){
-    Picture *pic;
-
-    pic= h->long_ref[i];
-    h->long_ref[i]= NULL;
-    if(pic) h->long_ref_count--;
-
-    return pic;
-}
-
-/**
- * print short term list
- */
-static void print_short_term(H264Context *h) {
-    uint32_t i;
-    if(h->s.avctx->debug&FF_DEBUG_MMCO) {
-        av_log(h->s.avctx, AV_LOG_DEBUG, "short term list:\n");
-        for(i=0; i<h->short_ref_count; i++){
-            Picture *pic= h->short_ref[i];
-            av_log(h->s.avctx, AV_LOG_DEBUG, "%d fn:%d poc:%d %p\n", i, pic->frame_num, pic->poc, pic->data[0]);
-        }
-    }
-}
-
-/**
- * print long term list
- */
-static void print_long_term(H264Context *h) {
-    uint32_t i;
-    if(h->s.avctx->debug&FF_DEBUG_MMCO) {
-        av_log(h->s.avctx, AV_LOG_DEBUG, "long term list:\n");
-        for(i = 0; i < 16; i++){
-            Picture *pic= h->long_ref[i];
-            if (pic) {
-                av_log(h->s.avctx, AV_LOG_DEBUG, "%d fn:%d poc:%d %p\n", i, pic->frame_num, pic->poc, pic->data[0]);
-            }
-        }
-    }
-}
-
-/**
- * Executes the reference picture marking (memory management control operations).
- */
-static int execute_ref_pic_marking(H264Context *h, MMCO *mmco, int mmco_count){
-    MpegEncContext * const s = &h->s;
-    int i, j;
-    int current_is_long=0;
-    Picture *pic;
-
-    if((s->avctx->debug&FF_DEBUG_MMCO) && mmco_count==0)
-        av_log(h->s.avctx, AV_LOG_DEBUG, "no mmco here\n");
-
-    for(i=0; i<mmco_count; i++){
-        if(s->avctx->debug&FF_DEBUG_MMCO)
-            av_log(h->s.avctx, AV_LOG_DEBUG, "mmco:%d %d %d\n", h->mmco[i].opcode, h->mmco[i].short_frame_num, h->mmco[i].long_index);
-
-        switch(mmco[i].opcode){
-        case MMCO_SHORT2UNUSED:
-            pic= remove_short(h, mmco[i].short_frame_num);
-            if(pic)
-                unreference_pic(h, pic);
-            else if(s->avctx->debug&FF_DEBUG_MMCO)
-                av_log(h->s.avctx, AV_LOG_DEBUG, "mmco: remove_short() failure\n");
-            break;
-        case MMCO_SHORT2LONG:
-            pic= remove_long(h, mmco[i].long_index);
-            if(pic) unreference_pic(h, pic);
-
-            h->long_ref[ mmco[i].long_index ]= remove_short(h, mmco[i].short_frame_num);
-            if (h->long_ref[ mmco[i].long_index ]){
-                h->long_ref[ mmco[i].long_index ]->long_ref=1;
-                h->long_ref_count++;
-            }
-            break;
-        case MMCO_LONG2UNUSED:
-            pic= remove_long(h, mmco[i].long_index);
-            if(pic)
-                unreference_pic(h, pic);
-            else if(s->avctx->debug&FF_DEBUG_MMCO)
-                av_log(h->s.avctx, AV_LOG_DEBUG, "mmco: remove_long() failure\n");
-            break;
-        case MMCO_LONG:
-            pic= remove_long(h, mmco[i].long_index);
-            if(pic) unreference_pic(h, pic);
-
-            h->long_ref[ mmco[i].long_index ]= s->current_picture_ptr;
-            h->long_ref[ mmco[i].long_index ]->long_ref=1;
-            h->long_ref_count++;
-
-            current_is_long=1;
-            break;
-        case MMCO_SET_MAX_LONG:
-            assert(mmco[i].long_index <= 16);
-            // just remove the long term which index is greater than new max
-            for(j = mmco[i].long_index; j<16; j++){
-                pic = remove_long(h, j);
-                if (pic) unreference_pic(h, pic);
-            }
-            break;
-        case MMCO_RESET:
-            while(h->short_ref_count){
-                pic= remove_short(h, h->short_ref[0]->frame_num);
-                if(pic) unreference_pic(h, pic);
-            }
-            for(j = 0; j < 16; j++) {
-                pic= remove_long(h, j);
-                if(pic) unreference_pic(h, pic);
-            }
-            break;
-        default: assert(0);
-        }
-    }
-
-    if(!current_is_long){
-        pic= remove_short(h, s->current_picture_ptr->frame_num);
-        if(pic){
-            unreference_pic(h, pic);
-            av_log(h->s.avctx, AV_LOG_ERROR, "illegal short term buffer state detected\n");
-        }
-
-        if(h->short_ref_count)
-            memmove(&h->short_ref[1], &h->short_ref[0], h->short_ref_count*sizeof(Picture*));
-
-        h->short_ref[0]= s->current_picture_ptr;
-        h->short_ref[0]->long_ref=0;
-        h->short_ref_count++;
-    }
-
-    print_short_term(h);
-    print_long_term(h);
-    return 0;
-}
-
-static int decode_ref_pic_marking(H264Context *h){
-    MpegEncContext * const s = &h->s;
-    int i;
-
-    if(h->nal_unit_type == NAL_IDR_SLICE){ //FIXME fields
-        s->broken_link= get_bits1(&s->gb) -1;
-        h->mmco[0].long_index= get_bits1(&s->gb) - 1; // current_long_term_idx
-        if(h->mmco[0].long_index == -1)
-            h->mmco_index= 0;
-        else{
-            h->mmco[0].opcode= MMCO_LONG;
-            h->mmco_index= 1;
-        }
-    }else{
-        if(get_bits1(&s->gb)){ // adaptive_ref_pic_marking_mode_flag
-            for(i= 0; i<MAX_MMCO_COUNT; i++) {
-                MMCOOpcode opcode= get_ue_golomb(&s->gb);;
-
-                h->mmco[i].opcode= opcode;
-                if(opcode==MMCO_SHORT2UNUSED || opcode==MMCO_SHORT2LONG){
-                    h->mmco[i].short_frame_num= (h->frame_num - get_ue_golomb(&s->gb) - 1) & ((1<<h->sps.log2_max_frame_num)-1); //FIXME fields
-/*                    if(h->mmco[i].short_frame_num >= h->short_ref_count || h->short_ref[ h->mmco[i].short_frame_num ] == NULL){
-                        av_log(s->avctx, AV_LOG_ERROR, "illegal short ref in memory management control operation %d\n", mmco);
-                        return -1;
-                    }*/
-                }
-                if(opcode==MMCO_SHORT2LONG || opcode==MMCO_LONG2UNUSED || opcode==MMCO_LONG || opcode==MMCO_SET_MAX_LONG){
-                    unsigned int long_index= get_ue_golomb(&s->gb);
-                    if(/*h->mmco[i].long_index >= h->long_ref_count || h->long_ref[ h->mmco[i].long_index ] == NULL*/ long_index >= 16){
-                        av_log(h->s.avctx, AV_LOG_ERROR, "illegal long ref in memory management control operation %d\n", opcode);
-                        return -1;
-                    }
-                    h->mmco[i].long_index= long_index;
-                }
-
-                if(opcode > (unsigned)MMCO_LONG){
-                    av_log(h->s.avctx, AV_LOG_ERROR, "illegal memory management control operation %d\n", opcode);
-                    return -1;
-                }
-                if(opcode == MMCO_END)
-                    break;
-            }
-            h->mmco_index= i;
-        }else{
-            assert(h->long_ref_count + h->short_ref_count <= h->sps.ref_frame_count);
-
-            if(h->long_ref_count + h->short_ref_count == h->sps.ref_frame_count){ //FIXME fields
-                h->mmco[0].opcode= MMCO_SHORT2UNUSED;
-                h->mmco[0].short_frame_num= h->short_ref[ h->short_ref_count - 1 ]->frame_num;
-                h->mmco_index= 1;
-            }else
-                h->mmco_index= 0;
-        }
-    }
-
-    return 0;
-}
-
-static int init_poc(H264Context *h){
-    MpegEncContext * const s = &h->s;
-    const int max_frame_num= 1<<h->sps.log2_max_frame_num;
-    int field_poc[2];
-
-    if(h->nal_unit_type == NAL_IDR_SLICE){
-        h->frame_num_offset= 0;
-    }else{
-        if(h->frame_num < h->prev_frame_num)
-            h->frame_num_offset= h->prev_frame_num_offset + max_frame_num;
-        else
-            h->frame_num_offset= h->prev_frame_num_offset;
-    }
-
-    if(h->sps.poc_type==0){
-        const int max_poc_lsb= 1<<h->sps.log2_max_poc_lsb;
-
-        if(h->nal_unit_type == NAL_IDR_SLICE){
-             h->prev_poc_msb=
-             h->prev_poc_lsb= 0;
-        }
-
-        if     (h->poc_lsb < h->prev_poc_lsb && h->prev_poc_lsb - h->poc_lsb >= max_poc_lsb/2)
-            h->poc_msb = h->prev_poc_msb + max_poc_lsb;
-        else if(h->poc_lsb > h->prev_poc_lsb && h->prev_poc_lsb - h->poc_lsb < -max_poc_lsb/2)
-            h->poc_msb = h->prev_poc_msb - max_poc_lsb;
-        else
-            h->poc_msb = h->prev_poc_msb;
-//printf("poc: %d %d\n", h->poc_msb, h->poc_lsb);
-        field_poc[0] =
-        field_poc[1] = h->poc_msb + h->poc_lsb;
-        if(s->picture_structure == PICT_FRAME)
-            field_poc[1] += h->delta_poc_bottom;
-    }else if(h->sps.poc_type==1){
-        int abs_frame_num, expected_delta_per_poc_cycle, expectedpoc;
-        int i;
-
-        if(h->sps.poc_cycle_length != 0)
-            abs_frame_num = h->frame_num_offset + h->frame_num;
-        else
-            abs_frame_num = 0;
-
-        if(h->nal_ref_idc==0 && abs_frame_num > 0)
-            abs_frame_num--;
-
-        expected_delta_per_poc_cycle = 0;
-        for(i=0; i < h->sps.poc_cycle_length; i++)
-            expected_delta_per_poc_cycle += h->sps.offset_for_ref_frame[ i ]; //FIXME integrate during sps parse
-
-        if(abs_frame_num > 0){
-            int poc_cycle_cnt          = (abs_frame_num - 1) / h->sps.poc_cycle_length;
-            int frame_num_in_poc_cycle = (abs_frame_num - 1) % h->sps.poc_cycle_length;
-
-            expectedpoc = poc_cycle_cnt * expected_delta_per_poc_cycle;
-            for(i = 0; i <= frame_num_in_poc_cycle; i++)
-                expectedpoc = expectedpoc + h->sps.offset_for_ref_frame[ i ];
-        } else
-            expectedpoc = 0;
-
-        if(h->nal_ref_idc == 0)
-            expectedpoc = expectedpoc + h->sps.offset_for_non_ref_pic;
-
-        field_poc[0] = expectedpoc + h->delta_poc[0];
-        field_poc[1] = field_poc[0] + h->sps.offset_for_top_to_bottom_field;
-
-        if(s->picture_structure == PICT_FRAME)
-            field_poc[1] += h->delta_poc[1];
-    }else{
-        int poc;
-        if(h->nal_unit_type == NAL_IDR_SLICE){
-            poc= 0;
-        }else{
-            if(h->nal_ref_idc) poc= 2*(h->frame_num_offset + h->frame_num);
-            else               poc= 2*(h->frame_num_offset + h->frame_num) - 1;
-        }
-        field_poc[0]= poc;
-        field_poc[1]= poc;
-    }
-
-    if(s->picture_structure != PICT_BOTTOM_FIELD)
-        s->current_picture_ptr->field_poc[0]= field_poc[0];
-    if(s->picture_structure != PICT_TOP_FIELD)
-        s->current_picture_ptr->field_poc[1]= field_poc[1];
-    if(s->picture_structure == PICT_FRAME) // FIXME field pix?
-        s->current_picture_ptr->poc= FFMIN(field_poc[0], field_poc[1]);
-
-    return 0;
-}
-
-/**
- * decodes a slice header.
- * this will allso call MPV_common_init() and frame_start() as needed
- */
-static int decode_slice_header(H264Context *h){
-    MpegEncContext * const s = &h->s;
-    unsigned int first_mb_in_slice;
-    unsigned int pps_id;
-    int num_ref_idx_active_override_flag;
-    static const uint8_t slice_type_map[5]= {P_TYPE, B_TYPE, I_TYPE, SP_TYPE, SI_TYPE};
-    unsigned int slice_type, tmp;
-    int default_ref_list_done = 0;
-
-    s->current_picture.reference= h->nal_ref_idc != 0;
-    s->dropable= h->nal_ref_idc == 0;
-
-    first_mb_in_slice= get_ue_golomb(&s->gb);
-
-    if((s->flags2 & CODEC_FLAG2_CHUNKS) && first_mb_in_slice == 0){
-        h->slice_num = 0;
-        s->current_picture_ptr= NULL;
-    }
-
-    slice_type= get_ue_golomb(&s->gb);
-    if(slice_type > 9){
-        av_log(h->s.avctx, AV_LOG_ERROR, "slice type too large (%d) at %d %d\n", h->slice_type, s->mb_x, s->mb_y);
-        return -1;
-    }
-    if(slice_type > 4){
-        slice_type -= 5;
-        h->slice_type_fixed=1;
-    }else
-        h->slice_type_fixed=0;
-
-    slice_type= slice_type_map[ slice_type ];
-    if (slice_type == I_TYPE
-        || (h->slice_num != 0 && slice_type == h->slice_type) ) {
-        default_ref_list_done = 1;
-    }
-    h->slice_type= slice_type;
-
-    s->pict_type= h->slice_type; // to make a few old func happy, it's wrong though
-
-    pps_id= get_ue_golomb(&s->gb);
-    if(pps_id>=MAX_PPS_COUNT){
-        av_log(h->s.avctx, AV_LOG_ERROR, "pps_id out of range\n");
-        return -1;
-    }
-    h->pps= h->pps_buffer[pps_id];
-    if(h->pps.slice_group_count == 0){
-        av_log(h->s.avctx, AV_LOG_ERROR, "non existing PPS referenced\n");
-        return -1;
-    }
-
-    h->sps= h->sps_buffer[ h->pps.sps_id ];
-    if(h->sps.log2_max_frame_num == 0){
-        av_log(h->s.avctx, AV_LOG_ERROR, "non existing SPS referenced\n");
-        return -1;
-    }
-
-    if(h->dequant_coeff_pps != pps_id){
-        h->dequant_coeff_pps = pps_id;
-        init_dequant_tables(h);
-    }
-
-    s->mb_width= h->sps.mb_width;
-    s->mb_height= h->sps.mb_height * (2 - h->sps.frame_mbs_only_flag);
-
-    h->b_stride=  s->mb_width*4;
-    h->b8_stride= s->mb_width*2;
-
-    s->width = 16*s->mb_width - 2*(h->sps.crop_left + h->sps.crop_right );
-    if(h->sps.frame_mbs_only_flag)
-        s->height= 16*s->mb_height - 2*(h->sps.crop_top  + h->sps.crop_bottom);
-    else
-        s->height= 16*s->mb_height - 4*(h->sps.crop_top  + h->sps.crop_bottom); //FIXME recheck
-
-    if (s->context_initialized
-        && (   s->width != s->avctx->width || s->height != s->avctx->height)) {
-        free_tables(h);
-        MPV_common_end(s);
-    }
-    if (!s->context_initialized) {
-        if (MPV_common_init(s) < 0)
-            return -1;
-
-        if(s->dsp.h264_idct_add == ff_h264_idct_add_c){ //FIXME little ugly
-            memcpy(h->zigzag_scan, zigzag_scan, 16*sizeof(uint8_t));
-            memcpy(h-> field_scan,  field_scan, 16*sizeof(uint8_t));
-        }else{
-            int i;
-            for(i=0; i<16; i++){
-#define T(x) (x>>2) | ((x<<2) & 0xF)
-                h->zigzag_scan[i] = T(zigzag_scan[i]);
-                h-> field_scan[i] = T( field_scan[i]);
-#undef T
-            }
-        }
-        if(s->dsp.h264_idct8_add == ff_h264_idct8_add_c){
-            memcpy(h->zigzag_scan8x8,       zigzag_scan8x8,       64*sizeof(uint8_t));
-            memcpy(h->zigzag_scan8x8_cavlc, zigzag_scan8x8_cavlc, 64*sizeof(uint8_t));
-            memcpy(h->field_scan8x8,        field_scan8x8,        64*sizeof(uint8_t));
-            memcpy(h->field_scan8x8_cavlc,  field_scan8x8_cavlc,  64*sizeof(uint8_t));
-        }else{
-            int i;
-            for(i=0; i<64; i++){
-#define T(x) (x>>3) | ((x&7)<<3)
-                h->zigzag_scan8x8[i]       = T(zigzag_scan8x8[i]);
-                h->zigzag_scan8x8_cavlc[i] = T(zigzag_scan8x8_cavlc[i]);
-                h->field_scan8x8[i]        = T(field_scan8x8[i]);
-                h->field_scan8x8_cavlc[i]  = T(field_scan8x8_cavlc[i]);
-#undef T
-            }
-        }
-        if(h->sps.transform_bypass){ //FIXME same ugly
-            h->zigzag_scan_q0          = zigzag_scan;
-            h->zigzag_scan8x8_q0       = zigzag_scan8x8;
-            h->zigzag_scan8x8_cavlc_q0 = zigzag_scan8x8_cavlc;
-            h->field_scan_q0           = field_scan;
-            h->field_scan8x8_q0        = field_scan8x8;
-            h->field_scan8x8_cavlc_q0  = field_scan8x8_cavlc;
-        }else{
-            h->zigzag_scan_q0          = h->zigzag_scan;
-            h->zigzag_scan8x8_q0       = h->zigzag_scan8x8;
-            h->zigzag_scan8x8_cavlc_q0 = h->zigzag_scan8x8_cavlc;
-            h->field_scan_q0           = h->field_scan;
-            h->field_scan8x8_q0        = h->field_scan8x8;
-            h->field_scan8x8_cavlc_q0  = h->field_scan8x8_cavlc;
-        }
-
-        alloc_tables(h);
-
-        s->avctx->width = s->width;
-        s->avctx->height = s->height;
-        s->avctx->sample_aspect_ratio= h->sps.sar;
-        if(!s->avctx->sample_aspect_ratio.den)
-            s->avctx->sample_aspect_ratio.den = 1;
-
-        if(h->sps.timing_info_present_flag){
-            s->avctx->time_base= (AVRational){h->sps.num_units_in_tick * 2, h->sps.time_scale};
-            if(h->x264_build > 0 && h->x264_build < 44)
-                s->avctx->time_base.den *= 2;
-            av_reduce(&s->avctx->time_base.num, &s->avctx->time_base.den,
-                      s->avctx->time_base.num, s->avctx->time_base.den, 1<<30);
-        }
-    }
-
-    if(h->slice_num == 0){
-        if(frame_start(h) < 0)
-            return -1;
-    }
-
-    s->current_picture_ptr->frame_num= //FIXME frame_num cleanup
-    h->frame_num= get_bits(&s->gb, h->sps.log2_max_frame_num);
-
-    h->mb_mbaff = 0;
-    h->mb_aff_frame = 0;
-    if(h->sps.frame_mbs_only_flag){
-        s->picture_structure= PICT_FRAME;
-    }else{
-        if(get_bits1(&s->gb)) { //field_pic_flag
-            s->picture_structure= PICT_TOP_FIELD + get_bits1(&s->gb); //bottom_field_flag
-            av_log(h->s.avctx, AV_LOG_ERROR, "PAFF interlacing is not implemented\n");
-        } else {
-            s->picture_structure= PICT_FRAME;
-            h->mb_aff_frame = h->sps.mb_aff;
-        }
-    }
-    assert(s->mb_num == s->mb_width * s->mb_height);
-    if(first_mb_in_slice << h->mb_aff_frame >= s->mb_num ||
-       first_mb_in_slice                    >= s->mb_num){
-        av_log(h->s.avctx, AV_LOG_ERROR, "first_mb_in_slice overflow\n");
-        return -1;
-    }
-    s->resync_mb_x = s->mb_x = first_mb_in_slice % s->mb_width;
-    s->resync_mb_y = s->mb_y = (first_mb_in_slice / s->mb_width) << h->mb_aff_frame;
-    assert(s->mb_y < s->mb_height);
-
-    if(s->picture_structure==PICT_FRAME){
-        h->curr_pic_num=   h->frame_num;
-        h->max_pic_num= 1<< h->sps.log2_max_frame_num;
-    }else{
-        h->curr_pic_num= 2*h->frame_num;
-        h->max_pic_num= 1<<(h->sps.log2_max_frame_num + 1);
-    }
-
-    if(h->nal_unit_type == NAL_IDR_SLICE){
-        get_ue_golomb(&s->gb); /* idr_pic_id */
-    }
-
-    if(h->sps.poc_type==0){
-        h->poc_lsb= get_bits(&s->gb, h->sps.log2_max_poc_lsb);
-
-        if(h->pps.pic_order_present==1 && s->picture_structure==PICT_FRAME){
-            h->delta_poc_bottom= get_se_golomb(&s->gb);
-        }
-    }
-
-    if(h->sps.poc_type==1 && !h->sps.delta_pic_order_always_zero_flag){
-        h->delta_poc[0]= get_se_golomb(&s->gb);
-
-        if(h->pps.pic_order_present==1 && s->picture_structure==PICT_FRAME)
-            h->delta_poc[1]= get_se_golomb(&s->gb);
-    }
-
-    init_poc(h);
-
-    if(h->pps.redundant_pic_cnt_present){
-        h->redundant_pic_count= get_ue_golomb(&s->gb);
-    }
-
-    //set defaults, might be overriden a few line later
-    h->ref_count[0]= h->pps.ref_count[0];
-    h->ref_count[1]= h->pps.ref_count[1];
-
-    if(h->slice_type == P_TYPE || h->slice_type == SP_TYPE || h->slice_type == B_TYPE){
-        if(h->slice_type == B_TYPE){
-            h->direct_spatial_mv_pred= get_bits1(&s->gb);
-            if(h->sps.mb_aff && h->direct_spatial_mv_pred)
-                av_log(h->s.avctx, AV_LOG_ERROR, "MBAFF + spatial direct mode is not implemented\n");
-        }
-        num_ref_idx_active_override_flag= get_bits1(&s->gb);
-
-        if(num_ref_idx_active_override_flag){
-            h->ref_count[0]= get_ue_golomb(&s->gb) + 1;
-            if(h->slice_type==B_TYPE)
-                h->ref_count[1]= get_ue_golomb(&s->gb) + 1;
-
-            if(h->ref_count[0]-1 > 32-1 || h->ref_count[1]-1 > 32-1){
-                av_log(h->s.avctx, AV_LOG_ERROR, "reference overflow\n");
-                h->ref_count[0]= h->ref_count[1]= 1;
-                return -1;
-            }
-        }
-        if(h->slice_type == B_TYPE)
-            h->list_count= 2;
-        else
-            h->list_count= 1;
-    }else
-        h->list_count= 0;
-
-    if(!default_ref_list_done){
-        fill_default_ref_list(h);
-    }
-
-    if(decode_ref_pic_list_reordering(h) < 0)
-        return -1;
-
-    if(   (h->pps.weighted_pred          && (h->slice_type == P_TYPE || h->slice_type == SP_TYPE ))
-       || (h->pps.weighted_bipred_idc==1 && h->slice_type==B_TYPE ) )
-        pred_weight_table(h);
-    else if(h->pps.weighted_bipred_idc==2 && h->slice_type==B_TYPE)
-        implicit_weight_table(h);
-    else
-        h->use_weight = 0;
-
-    if(s->current_picture.reference)
-        decode_ref_pic_marking(h);
-
-    if(FRAME_MBAFF)
-        fill_mbaff_ref_list(h);
-
-    if( h->slice_type != I_TYPE && h->slice_type != SI_TYPE && h->pps.cabac ){
-        tmp = get_ue_golomb(&s->gb);
-        if(tmp > 2){
-            av_log(s->avctx, AV_LOG_ERROR, "cabac_init_idc overflow\n");
-            return -1;
-        }
-        h->cabac_init_idc= tmp;
-    }
-
-    h->last_qscale_diff = 0;
-    tmp = h->pps.init_qp + get_se_golomb(&s->gb);
-    if(tmp>51){
-        av_log(s->avctx, AV_LOG_ERROR, "QP %u out of range\n", tmp);
-        return -1;
-    }
-    s->qscale= tmp;
-    h->chroma_qp = get_chroma_qp(h->pps.chroma_qp_index_offset, s->qscale);
-    //FIXME qscale / qp ... stuff
-    if(h->slice_type == SP_TYPE){
-        get_bits1(&s->gb); /* sp_for_switch_flag */
-    }
-    if(h->slice_type==SP_TYPE || h->slice_type == SI_TYPE){
-        get_se_golomb(&s->gb); /* slice_qs_delta */
-    }
-
-    h->deblocking_filter = 1;
-    h->slice_alpha_c0_offset = 0;
-    h->slice_beta_offset = 0;
-    if( h->pps.deblocking_filter_parameters_present ) {
-        tmp= get_ue_golomb(&s->gb);
-        if(tmp > 2){
-            av_log(s->avctx, AV_LOG_ERROR, "deblocking_filter_idc %u out of range\n", tmp);
-            return -1;
-        }
-        h->deblocking_filter= tmp;
-        if(h->deblocking_filter < 2)
-            h->deblocking_filter^= 1; // 1<->0
-
-        if( h->deblocking_filter ) {
-            h->slice_alpha_c0_offset = get_se_golomb(&s->gb) << 1;
-            h->slice_beta_offset = get_se_golomb(&s->gb) << 1;
-        }
-    }
-    if(   s->avctx->skip_loop_filter >= AVDISCARD_ALL
-       ||(s->avctx->skip_loop_filter >= AVDISCARD_NONKEY && h->slice_type != I_TYPE)
-       ||(s->avctx->skip_loop_filter >= AVDISCARD_BIDIR  && h->slice_type == B_TYPE)
-       ||(s->avctx->skip_loop_filter >= AVDISCARD_NONREF && h->nal_ref_idc == 0))
-        h->deblocking_filter= 0;
-
-#if 0 //FMO
-    if( h->pps.num_slice_groups > 1  && h->pps.mb_slice_group_map_type >= 3 && h->pps.mb_slice_group_map_type <= 5)
-        slice_group_change_cycle= get_bits(&s->gb, ?);
-#endif
-
-    h->slice_num++;
-
-    h->emu_edge_width= (s->flags&CODEC_FLAG_EMU_EDGE) ? 0 : 16;
-    h->emu_edge_height= FRAME_MBAFF ? 0 : h->emu_edge_width;
-
-    if(s->avctx->debug&FF_DEBUG_PICT_INFO){
-        av_log(h->s.avctx, AV_LOG_DEBUG, "slice:%d %s mb:%d %c pps:%u frame:%d poc:%d/%d ref:%d/%d qp:%d loop:%d:%d:%d weight:%d%s\n",
-               h->slice_num,
-               (s->picture_structure==PICT_FRAME ? "F" : s->picture_structure==PICT_TOP_FIELD ? "T" : "B"),
-               first_mb_in_slice,
-               av_get_pict_type_char(h->slice_type),
-               pps_id, h->frame_num,
-               s->current_picture_ptr->field_poc[0], s->current_picture_ptr->field_poc[1],
-               h->ref_count[0], h->ref_count[1],
-               s->qscale,
-               h->deblocking_filter, h->slice_alpha_c0_offset/2, h->slice_beta_offset/2,
-               h->use_weight,
-               h->use_weight==1 && h->use_weight_chroma ? "c" : ""
-               );
-    }
-
-    if((s->avctx->flags2 & CODEC_FLAG2_FAST) && !s->current_picture.reference){
-        s->me.qpel_put= s->dsp.put_2tap_qpel_pixels_tab;
-        s->me.qpel_avg= s->dsp.avg_2tap_qpel_pixels_tab;
-    }else{
-        s->me.qpel_put= s->dsp.put_h264_qpel_pixels_tab;
-        s->me.qpel_avg= s->dsp.avg_h264_qpel_pixels_tab;
-    }
-
-    return 0;
-}
-
-/**
- *
- */
-static inline int get_level_prefix(GetBitContext *gb){
-    unsigned int buf;
-    int log;
-
-    OPEN_READER(re, gb);
-    UPDATE_CACHE(re, gb);
-    buf=GET_CACHE(re, gb);
-
-    log= 32 - av_log2(buf);
-#ifdef TRACE
-    print_bin(buf>>(32-log), log);
-    av_log(NULL, AV_LOG_DEBUG, "%5d %2d %3d lpr @%5d in %s get_level_prefix\n", buf>>(32-log), log, log-1, get_bits_count(gb), __FILE__);
-#endif
-
-    LAST_SKIP_BITS(re, gb, log);
-    CLOSE_READER(re, gb);
-
-    return log-1;
-}
-
-static inline int get_dct8x8_allowed(H264Context *h){
-    int i;
-    for(i=0; i<4; i++){
-        if(!IS_SUB_8X8(h->sub_mb_type[i])
-           || (!h->sps.direct_8x8_inference_flag && IS_DIRECT(h->sub_mb_type[i])))
-            return 0;
-    }
-    return 1;
-}
-
-/**
- * decodes a residual block.
- * @param n block index
- * @param scantable scantable
- * @param max_coeff number of coefficients in the block
- * @return <0 if an error occured
- */
-static int decode_residual(H264Context *h, GetBitContext *gb, DCTELEM *block, int n, const uint8_t *scantable, const uint32_t *qmul, int max_coeff){
-    MpegEncContext * const s = &h->s;
-    static const int coeff_token_table_index[17]= {0, 0, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3};
-    int level[16];
-    int zeros_left, coeff_num, coeff_token, total_coeff, i, j, trailing_ones, run_before;
-
-    //FIXME put trailing_onex into the context
-
-    if(n == CHROMA_DC_BLOCK_INDEX){
-        coeff_token= get_vlc2(gb, chroma_dc_coeff_token_vlc.table, CHROMA_DC_COEFF_TOKEN_VLC_BITS, 1);
-        total_coeff= coeff_token>>2;
-    }else{
-        if(n == LUMA_DC_BLOCK_INDEX){
-            total_coeff= pred_non_zero_count(h, 0);
-            coeff_token= get_vlc2(gb, coeff_token_vlc[ coeff_token_table_index[total_coeff] ].table, COEFF_TOKEN_VLC_BITS, 2);
-            total_coeff= coeff_token>>2;
-        }else{
-            total_coeff= pred_non_zero_count(h, n);
-            coeff_token= get_vlc2(gb, coeff_token_vlc[ coeff_token_table_index[total_coeff] ].table, COEFF_TOKEN_VLC_BITS, 2);
-            total_coeff= coeff_token>>2;
-            h->non_zero_count_cache[ scan8[n] ]= total_coeff;
-        }
-    }
-
-    //FIXME set last_non_zero?
-
-    if(total_coeff==0)
-        return 0;
-    if(total_coeff > (unsigned)max_coeff) {
-        av_log(h->s.avctx, AV_LOG_ERROR, "corrupted macroblock %d %d (total_coeff=%d)\n", s->mb_x, s->mb_y, total_coeff);
-        return -1;
-    }
-
-    trailing_ones= coeff_token&3;
-    tprintf(h->s.avctx, "trailing:%d, total:%d\n", trailing_ones, total_coeff);
-    assert(total_coeff<=16);
-
-    for(i=0; i<trailing_ones; i++){
-        level[i]= 1 - 2*get_bits1(gb);
-    }
-
-    if(i<total_coeff) {
-        int level_code, mask;
-        int suffix_length = total_coeff > 10 && trailing_ones < 3;
-        int prefix= get_level_prefix(gb);
-
-        //first coefficient has suffix_length equal to 0 or 1
-        if(prefix<14){ //FIXME try to build a large unified VLC table for all this
-            if(suffix_length)
-                level_code= (prefix<<suffix_length) + get_bits(gb, suffix_length); //part
-            else
-                level_code= (prefix<<suffix_length); //part
-        }else if(prefix==14){
-            if(suffix_length)
-                level_code= (prefix<<suffix_length) + get_bits(gb, suffix_length); //part
-            else
-                level_code= prefix + get_bits(gb, 4); //part
-        }else if(prefix==15){
-            level_code= (prefix<<suffix_length) + get_bits(gb, 12); //part
-            if(suffix_length==0) level_code+=15; //FIXME doesn't make (much)sense
-        }else{
-            av_log(h->s.avctx, AV_LOG_ERROR, "prefix too large at %d %d\n", s->mb_x, s->mb_y);
-            return -1;
-        }
-
-        if(trailing_ones < 3) level_code += 2;
-
-        suffix_length = 1;
-        if(level_code > 5)
-            suffix_length++;
-        mask= -(level_code&1);
-        level[i]= (((2+level_code)>>1) ^ mask) - mask;
-        i++;
-
-        //remaining coefficients have suffix_length > 0
-        for(;i<total_coeff;i++) {
-            static const int suffix_limit[7] = {0,5,11,23,47,95,INT_MAX };
-            prefix = get_level_prefix(gb);
-            if(prefix<15){
-                level_code = (prefix<<suffix_length) + get_bits(gb, suffix_length);
-            }else if(prefix==15){
-                level_code =  (prefix<<suffix_length) + get_bits(gb, 12);
-            }else{
-                av_log(h->s.avctx, AV_LOG_ERROR, "prefix too large at %d %d\n", s->mb_x, s->mb_y);
-                return -1;
-            }
-            mask= -(level_code&1);
-            level[i]= (((2+level_code)>>1) ^ mask) - mask;
-            if(level_code > suffix_limit[suffix_length])
-                suffix_length++;
-        }
-    }
-
-    if(total_coeff == max_coeff)
-        zeros_left=0;
-    else{
-        if(n == CHROMA_DC_BLOCK_INDEX)
-            zeros_left= get_vlc2(gb, chroma_dc_total_zeros_vlc[ total_coeff-1 ].table, CHROMA_DC_TOTAL_ZEROS_VLC_BITS, 1);
-        else
-            zeros_left= get_vlc2(gb, total_zeros_vlc[ total_coeff-1 ].table, TOTAL_ZEROS_VLC_BITS, 1);
-    }
-
-    coeff_num = zeros_left + total_coeff - 1;
-    j = scantable[coeff_num];
-    if(n > 24){
-        block[j] = level[0];
-        for(i=1;i<total_coeff;i++) {
-            if(zeros_left <= 0)
-                run_before = 0;
-            else if(zeros_left < 7){
-                run_before= get_vlc2(gb, run_vlc[zeros_left-1].table, RUN_VLC_BITS, 1);
-            }else{
-                run_before= get_vlc2(gb, run7_vlc.table, RUN7_VLC_BITS, 2);
-            }
-            zeros_left -= run_before;
-            coeff_num -= 1 + run_before;
-            j= scantable[ coeff_num ];
-
-            block[j]= level[i];
-        }
-    }else{
-        block[j] = (level[0] * qmul[j] + 32)>>6;
-        for(i=1;i<total_coeff;i++) {
-            if(zeros_left <= 0)
-                run_before = 0;
-            else if(zeros_left < 7){
-                run_before= get_vlc2(gb, run_vlc[zeros_left-1].table, RUN_VLC_BITS, 1);
-            }else{
-                run_before= get_vlc2(gb, run7_vlc.table, RUN7_VLC_BITS, 2);
-            }
-            zeros_left -= run_before;
-            coeff_num -= 1 + run_before;
-            j= scantable[ coeff_num ];
-
-            block[j]= (level[i] * qmul[j] + 32)>>6;
-        }
-    }
-
-    if(zeros_left<0){
-        av_log(h->s.avctx, AV_LOG_ERROR, "negative number of zero coeffs at %d %d\n", s->mb_x, s->mb_y);
-        return -1;
-    }
-
-    return 0;
-}
-
-static void predict_field_decoding_flag(H264Context *h){
-    MpegEncContext * const s = &h->s;
-    const int mb_xy= s->mb_x + s->mb_y*s->mb_stride;
-    int mb_type = (h->slice_table[mb_xy-1] == h->slice_num)
-                ? s->current_picture.mb_type[mb_xy-1]
-                : (h->slice_table[mb_xy-s->mb_stride] == h->slice_num)
-                ? s->current_picture.mb_type[mb_xy-s->mb_stride]
-                : 0;
-    h->mb_mbaff = h->mb_field_decoding_flag = IS_INTERLACED(mb_type) ? 1 : 0;
-}
-
-/**
- * decodes a P_SKIP or B_SKIP macroblock
- */
-static void decode_mb_skip(H264Context *h){
-    MpegEncContext * const s = &h->s;
-    const int mb_xy= s->mb_x + s->mb_y*s->mb_stride;
-    int mb_type=0;
-
-    memset(h->non_zero_count[mb_xy], 0, 16);
-    memset(h->non_zero_count_cache + 8, 0, 8*5); //FIXME ugly, remove pfui
-
-    if(MB_FIELD)
-        mb_type|= MB_TYPE_INTERLACED;
-
-    if( h->slice_type == B_TYPE )
-    {
-        // just for fill_caches. pred_direct_motion will set the real mb_type
-        mb_type|= MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2|MB_TYPE_SKIP;
-
-        fill_caches(h, mb_type, 0); //FIXME check what is needed and what not ...
-        pred_direct_motion(h, &mb_type);
-        mb_type|= MB_TYPE_SKIP;
-    }
-    else
-    {
-        int mx, my;
-        mb_type|= MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P1L0|MB_TYPE_SKIP;
-
-        fill_caches(h, mb_type, 0); //FIXME check what is needed and what not ...
-        pred_pskip_motion(h, &mx, &my);
-        fill_rectangle(&h->ref_cache[0][scan8[0]], 4, 4, 8, 0, 1);
-        fill_rectangle(  h->mv_cache[0][scan8[0]], 4, 4, 8, pack16to32(mx,my), 4);
-    }
-
-    write_back_motion(h, mb_type);
-    s->current_picture.mb_type[mb_xy]= mb_type;
-    s->current_picture.qscale_table[mb_xy]= s->qscale;
-    h->slice_table[ mb_xy ]= h->slice_num;
-    h->prev_mb_skipped= 1;
-}
-
-/**
- * decodes a macroblock
- * @returns 0 if ok, AC_ERROR / DC_ERROR / MV_ERROR if an error is noticed
- */
-static int decode_mb_cavlc(H264Context *h){
-    MpegEncContext * const s = &h->s;
-    const int mb_xy= s->mb_x + s->mb_y*s->mb_stride;
-    int partition_count;
-    unsigned int mb_type, cbp;
-    int dct8x8_allowed= h->pps.transform_8x8_mode;
-
-    s->dsp.clear_blocks(h->mb); //FIXME avoid if already clear (move after skip handlong?
-
-    tprintf(s->avctx, "pic:%d mb:%d/%d\n", h->frame_num, s->mb_x, s->mb_y);
-    cbp = 0; /* avoid warning. FIXME: find a solution without slowing
-                down the code */
-    if(h->slice_type != I_TYPE && h->slice_type != SI_TYPE){
-        if(s->mb_skip_run==-1)
-            s->mb_skip_run= get_ue_golomb(&s->gb);
-
-        if (s->mb_skip_run--) {
-            if(FRAME_MBAFF && (s->mb_y&1) == 0){
-                if(s->mb_skip_run==0)
-                    h->mb_mbaff = h->mb_field_decoding_flag = get_bits1(&s->gb);
-                else
-                    predict_field_decoding_flag(h);
-            }
-            decode_mb_skip(h);
-            return 0;
-        }
-    }
-    if(FRAME_MBAFF){
-        if( (s->mb_y&1) == 0 )
-            h->mb_mbaff = h->mb_field_decoding_flag = get_bits1(&s->gb);
-    }else
-        h->mb_field_decoding_flag= (s->picture_structure!=PICT_FRAME);
-
-    h->prev_mb_skipped= 0;
-
-    mb_type= get_ue_golomb(&s->gb);
-    if(h->slice_type == B_TYPE){
-        if(mb_type < 23){
-            partition_count= b_mb_type_info[mb_type].partition_count;
-            mb_type=         b_mb_type_info[mb_type].type;
-        }else{
-            mb_type -= 23;
-            goto decode_intra_mb;
-        }
-    }else if(h->slice_type == P_TYPE /*|| h->slice_type == SP_TYPE */){
-        if(mb_type < 5){
-            partition_count= p_mb_type_info[mb_type].partition_count;
-            mb_type=         p_mb_type_info[mb_type].type;
-        }else{
-            mb_type -= 5;
-            goto decode_intra_mb;
-        }
-    }else{
-       assert(h->slice_type == I_TYPE);
-decode_intra_mb:
-        if(mb_type > 25){
-            av_log(h->s.avctx, AV_LOG_ERROR, "mb_type %d in %c slice too large at %d %d\n", mb_type, av_get_pict_type_char(h->slice_type), s->mb_x, s->mb_y);
-            return -1;
-        }
-        partition_count=0;
-        cbp= i_mb_type_info[mb_type].cbp;
-        h->intra16x16_pred_mode= i_mb_type_info[mb_type].pred_mode;
-        mb_type= i_mb_type_info[mb_type].type;
-    }
-
-    if(MB_FIELD)
-        mb_type |= MB_TYPE_INTERLACED;
-
-    h->slice_table[ mb_xy ]= h->slice_num;
-
-    if(IS_INTRA_PCM(mb_type)){
-        unsigned int x, y;
-
-        // we assume these blocks are very rare so we dont optimize it
-        align_get_bits(&s->gb);
-
-        // The pixels are stored in the same order as levels in h->mb array.
-        for(y=0; y<16; y++){
-            const int index= 4*(y&3) + 32*((y>>2)&1) + 128*(y>>3);
-            for(x=0; x<16; x++){
-                tprintf(s->avctx, "LUMA ICPM LEVEL (%3d)\n", show_bits(&s->gb, 8));
-                h->mb[index + (x&3) + 16*((x>>2)&1) + 64*(x>>3)]= get_bits(&s->gb, 8);
-            }
-        }
-        for(y=0; y<8; y++){
-            const int index= 256 + 4*(y&3) + 32*(y>>2);
-            for(x=0; x<8; x++){
-                tprintf(s->avctx, "CHROMA U ICPM LEVEL (%3d)\n", show_bits(&s->gb, 8));
-                h->mb[index + (x&3) + 16*(x>>2)]= get_bits(&s->gb, 8);
-            }
-        }
-        for(y=0; y<8; y++){
-            const int index= 256 + 64 + 4*(y&3) + 32*(y>>2);
-            for(x=0; x<8; x++){
-                tprintf(s->avctx, "CHROMA V ICPM LEVEL (%3d)\n", show_bits(&s->gb, 8));
-                h->mb[index + (x&3) + 16*(x>>2)]= get_bits(&s->gb, 8);
-            }
-        }
-
-        // In deblocking, the quantizer is 0
-        s->current_picture.qscale_table[mb_xy]= 0;
-        h->chroma_qp = get_chroma_qp(h->pps.chroma_qp_index_offset, 0);
-        // All coeffs are present
-        memset(h->non_zero_count[mb_xy], 16, 16);
-
-        s->current_picture.mb_type[mb_xy]= mb_type;
-        return 0;
-    }
-
-    if(MB_MBAFF){
-        h->ref_count[0] <<= 1;
-        h->ref_count[1] <<= 1;
-    }
-
-    fill_caches(h, mb_type, 0);
-
-    //mb_pred
-    if(IS_INTRA(mb_type)){
-            int pred_mode;
-//            init_top_left_availability(h);
-            if(IS_INTRA4x4(mb_type)){
-                int i;
-                int di = 1;
-                if(dct8x8_allowed && get_bits1(&s->gb)){
-                    mb_type |= MB_TYPE_8x8DCT;
-                    di = 4;
-                }
-
-//                fill_intra4x4_pred_table(h);
-                for(i=0; i<16; i+=di){
-                    int mode= pred_intra_mode(h, i);
-
-                    if(!get_bits1(&s->gb)){
-                        const int rem_mode= get_bits(&s->gb, 3);
-                        mode = rem_mode + (rem_mode >= mode);
-                    }
-
-                    if(di==4)
-                        fill_rectangle( &h->intra4x4_pred_mode_cache[ scan8[i] ], 2, 2, 8, mode, 1 );
-                    else
-                        h->intra4x4_pred_mode_cache[ scan8[i] ] = mode;
-                }
-                write_back_intra_pred_mode(h);
-                if( check_intra4x4_pred_mode(h) < 0)
-                    return -1;
-            }else{
-                h->intra16x16_pred_mode= check_intra_pred_mode(h, h->intra16x16_pred_mode);
-                if(h->intra16x16_pred_mode < 0)
-                    return -1;
-            }
-
-            pred_mode= check_intra_pred_mode(h, get_ue_golomb(&s->gb));
-            if(pred_mode < 0)
-                return -1;
-            h->chroma_pred_mode= pred_mode;
-    }else if(partition_count==4){
-        int i, j, sub_partition_count[4], list, ref[2][4];
-
-        if(h->slice_type == B_TYPE){
-            for(i=0; i<4; i++){
-                h->sub_mb_type[i]= get_ue_golomb(&s->gb);
-                if(h->sub_mb_type[i] >=13){
-                    av_log(h->s.avctx, AV_LOG_ERROR, "B sub_mb_type %u out of range at %d %d\n", h->sub_mb_type[i], s->mb_x, s->mb_y);
-                    return -1;
-                }
-                sub_partition_count[i]= b_sub_mb_type_info[ h->sub_mb_type[i] ].partition_count;
-                h->sub_mb_type[i]=      b_sub_mb_type_info[ h->sub_mb_type[i] ].type;
-            }
-            if(   IS_DIRECT(h->sub_mb_type[0]) || IS_DIRECT(h->sub_mb_type[1])
-               || IS_DIRECT(h->sub_mb_type[2]) || IS_DIRECT(h->sub_mb_type[3])) {
-                pred_direct_motion(h, &mb_type);
-                h->ref_cache[0][scan8[4]] =
-                h->ref_cache[1][scan8[4]] =
-                h->ref_cache[0][scan8[12]] =
-                h->ref_cache[1][scan8[12]] = PART_NOT_AVAILABLE;
-            }
-        }else{
-            assert(h->slice_type == P_TYPE || h->slice_type == SP_TYPE); //FIXME SP correct ?
-            for(i=0; i<4; i++){
-                h->sub_mb_type[i]= get_ue_golomb(&s->gb);
-                if(h->sub_mb_type[i] >=4){
-                    av_log(h->s.avctx, AV_LOG_ERROR, "P sub_mb_type %u out of range at %d %d\n", h->sub_mb_type[i], s->mb_x, s->mb_y);
-                    return -1;
-                }
-                sub_partition_count[i]= p_sub_mb_type_info[ h->sub_mb_type[i] ].partition_count;
-                h->sub_mb_type[i]=      p_sub_mb_type_info[ h->sub_mb_type[i] ].type;
-            }
-        }
-
-        for(list=0; list<h->list_count; list++){
-            int ref_count= IS_REF0(mb_type) ? 1 : h->ref_count[list];
-            for(i=0; i<4; i++){
-                if(IS_DIRECT(h->sub_mb_type[i])) continue;
-                if(IS_DIR(h->sub_mb_type[i], 0, list)){
-                    unsigned int tmp = get_te0_golomb(&s->gb, ref_count); //FIXME init to 0 before and skip?
-                    if(tmp>=ref_count){
-                        av_log(h->s.avctx, AV_LOG_ERROR, "ref %u overflow\n", tmp);
-                        return -1;
-                    }
-                    ref[list][i]= tmp;
-                }else{
-                 //FIXME
-                    ref[list][i] = -1;
-                }
-            }
-        }
-
-        if(dct8x8_allowed)
-            dct8x8_allowed = get_dct8x8_allowed(h);
-
-        for(list=0; list<h->list_count; list++){
-            for(i=0; i<4; i++){
-                if(IS_DIRECT(h->sub_mb_type[i])) {
-                    h->ref_cache[list][ scan8[4*i] ] = h->ref_cache[list][ scan8[4*i]+1 ];
-                    continue;
-                }
-                h->ref_cache[list][ scan8[4*i]   ]=h->ref_cache[list][ scan8[4*i]+1 ]=
-                h->ref_cache[list][ scan8[4*i]+8 ]=h->ref_cache[list][ scan8[4*i]+9 ]= ref[list][i];
-
-                if(IS_DIR(h->sub_mb_type[i], 0, list)){
-                    const int sub_mb_type= h->sub_mb_type[i];
-                    const int block_width= (sub_mb_type & (MB_TYPE_16x16|MB_TYPE_16x8)) ? 2 : 1;
-                    for(j=0; j<sub_partition_count[i]; j++){
-                        int mx, my;
-                        const int index= 4*i + block_width*j;
-                        int16_t (* mv_cache)[2]= &h->mv_cache[list][ scan8[index] ];
-                        pred_motion(h, index, block_width, list, h->ref_cache[list][ scan8[index] ], &mx, &my);
-                        mx += get_se_golomb(&s->gb);
-                        my += get_se_golomb(&s->gb);
-                        tprintf(s->avctx, "final mv:%d %d\n", mx, my);
-
-                        if(IS_SUB_8X8(sub_mb_type)){
-                            mv_cache[ 1 ][0]=
-                            mv_cache[ 8 ][0]= mv_cache[ 9 ][0]= mx;
-                            mv_cache[ 1 ][1]=
-                            mv_cache[ 8 ][1]= mv_cache[ 9 ][1]= my;
-                        }else if(IS_SUB_8X4(sub_mb_type)){
-                            mv_cache[ 1 ][0]= mx;
-                            mv_cache[ 1 ][1]= my;
-                        }else if(IS_SUB_4X8(sub_mb_type)){
-                            mv_cache[ 8 ][0]= mx;
-                            mv_cache[ 8 ][1]= my;
-                        }
-                        mv_cache[ 0 ][0]= mx;
-                        mv_cache[ 0 ][1]= my;
-                    }
-                }else{
-                    uint32_t *p= (uint32_t *)&h->mv_cache[list][ scan8[4*i] ][0];
-                    p[0] = p[1]=
-                    p[8] = p[9]= 0;
-                }
-            }
-        }
-    }else if(IS_DIRECT(mb_type)){
-        pred_direct_motion(h, &mb_type);
-        dct8x8_allowed &= h->sps.direct_8x8_inference_flag;
-    }else{
-        int list, mx, my, i;
-         //FIXME we should set ref_idx_l? to 0 if we use that later ...
-        if(IS_16X16(mb_type)){
-            for(list=0; list<h->list_count; list++){
-                    unsigned int val;
-                    if(IS_DIR(mb_type, 0, list)){
-                        val= get_te0_golomb(&s->gb, h->ref_count[list]);
-                        if(val >= h->ref_count[list]){
-                            av_log(h->s.avctx, AV_LOG_ERROR, "ref %u overflow\n", val);
-                            return -1;
-                        }
-                    }else
-                        val= LIST_NOT_USED&0xFF;
-                    fill_rectangle(&h->ref_cache[list][ scan8[0] ], 4, 4, 8, val, 1);
-            }
-            for(list=0; list<h->list_count; list++){
-                unsigned int val;
-                if(IS_DIR(mb_type, 0, list)){
-                    pred_motion(h, 0, 4, list, h->ref_cache[list][ scan8[0] ], &mx, &my);
-                    mx += get_se_golomb(&s->gb);
-                    my += get_se_golomb(&s->gb);
-                    tprintf(s->avctx, "final mv:%d %d\n", mx, my);
-
-                    val= pack16to32(mx,my);
-                }else
-                    val=0;
-                fill_rectangle(h->mv_cache[list][ scan8[0] ], 4, 4, 8, val, 4);
-            }
-        }
-        else if(IS_16X8(mb_type)){
-            for(list=0; list<h->list_count; list++){
-                    for(i=0; i<2; i++){
-                        unsigned int val;
-                        if(IS_DIR(mb_type, i, list)){
-                            val= get_te0_golomb(&s->gb, h->ref_count[list]);
-                            if(val >= h->ref_count[list]){
-                                av_log(h->s.avctx, AV_LOG_ERROR, "ref %u overflow\n", val);
-                                return -1;
-                            }
-                        }else
-                            val= LIST_NOT_USED&0xFF;
-                        fill_rectangle(&h->ref_cache[list][ scan8[0] + 16*i ], 4, 2, 8, val, 1);
-                    }
-            }
-            for(list=0; list<h->list_count; list++){
-                for(i=0; i<2; i++){
-                    unsigned int val;
-                    if(IS_DIR(mb_type, i, list)){
-                        pred_16x8_motion(h, 8*i, list, h->ref_cache[list][scan8[0] + 16*i], &mx, &my);
-                        mx += get_se_golomb(&s->gb);
-                        my += get_se_golomb(&s->gb);
-                        tprintf(s->avctx, "final mv:%d %d\n", mx, my);
-
-                        val= pack16to32(mx,my);
-                    }else
-                        val=0;
-                    fill_rectangle(h->mv_cache[list][ scan8[0] + 16*i ], 4, 2, 8, val, 4);
-                }
-            }
-        }else{
-            assert(IS_8X16(mb_type));
-            for(list=0; list<h->list_count; list++){
-                    for(i=0; i<2; i++){
-                        unsigned int val;
-                        if(IS_DIR(mb_type, i, list)){ //FIXME optimize
-                            val= get_te0_golomb(&s->gb, h->ref_count[list]);
-                            if(val >= h->ref_count[list]){
-                                av_log(h->s.avctx, AV_LOG_ERROR, "ref %u overflow\n", val);
-                                return -1;
-                            }
-                        }else
-                            val= LIST_NOT_USED&0xFF;
-                        fill_rectangle(&h->ref_cache[list][ scan8[0] + 2*i ], 2, 4, 8, val, 1);
-                    }
-            }
-            for(list=0; list<h->list_count; list++){
-                for(i=0; i<2; i++){
-                    unsigned int val;
-                    if(IS_DIR(mb_type, i, list)){
-                        pred_8x16_motion(h, i*4, list, h->ref_cache[list][ scan8[0] + 2*i ], &mx, &my);
-                        mx += get_se_golomb(&s->gb);
-                        my += get_se_golomb(&s->gb);
-                        tprintf(s->avctx, "final mv:%d %d\n", mx, my);
-
-                        val= pack16to32(mx,my);
-                    }else
-                        val=0;
-                    fill_rectangle(h->mv_cache[list][ scan8[0] + 2*i ], 2, 4, 8, val, 4);
-                }
-            }
-        }
-    }
-
-    if(IS_INTER(mb_type))
-        write_back_motion(h, mb_type);
-
-    if(!IS_INTRA16x16(mb_type)){
-        cbp= get_ue_golomb(&s->gb);
-        if(cbp > 47){
-            av_log(h->s.avctx, AV_LOG_ERROR, "cbp too large (%u) at %d %d\n", cbp, s->mb_x, s->mb_y);
-            return -1;
-        }
-
-        if(IS_INTRA4x4(mb_type))
-            cbp= golomb_to_intra4x4_cbp[cbp];
-        else
-            cbp= golomb_to_inter_cbp[cbp];
-    }
-    h->cbp = cbp;
-
-    if(dct8x8_allowed && (cbp&15) && !IS_INTRA(mb_type)){
-        if(get_bits1(&s->gb))
-            mb_type |= MB_TYPE_8x8DCT;
-    }
-    s->current_picture.mb_type[mb_xy]= mb_type;
-
-    if(cbp || IS_INTRA16x16(mb_type)){
-        int i8x8, i4x4, chroma_idx;
-        int chroma_qp, dquant;
-        GetBitContext *gb= IS_INTRA(mb_type) ? h->intra_gb_ptr : h->inter_gb_ptr;
-        const uint8_t *scan, *scan8x8, *dc_scan;
-
-//        fill_non_zero_count_cache(h);
-
-        if(IS_INTERLACED(mb_type)){
-            scan8x8= s->qscale ? h->field_scan8x8_cavlc : h->field_scan8x8_cavlc_q0;
-            scan= s->qscale ? h->field_scan : h->field_scan_q0;
-            dc_scan= luma_dc_field_scan;
-        }else{
-            scan8x8= s->qscale ? h->zigzag_scan8x8_cavlc : h->zigzag_scan8x8_cavlc_q0;
-            scan= s->qscale ? h->zigzag_scan : h->zigzag_scan_q0;
-            dc_scan= luma_dc_zigzag_scan;
-        }
-
-        dquant= get_se_golomb(&s->gb);
-
-        if( dquant > 25 || dquant < -26 ){
-            av_log(h->s.avctx, AV_LOG_ERROR, "dquant out of range (%d) at %d %d\n", dquant, s->mb_x, s->mb_y);
-            return -1;
-        }
-
-        s->qscale += dquant;
-        if(((unsigned)s->qscale) > 51){
-            if(s->qscale<0) s->qscale+= 52;
-            else            s->qscale-= 52;
-        }
-
-        h->chroma_qp= chroma_qp= get_chroma_qp(h->pps.chroma_qp_index_offset, s->qscale);
-        if(IS_INTRA16x16(mb_type)){
-            if( decode_residual(h, h->intra_gb_ptr, h->mb, LUMA_DC_BLOCK_INDEX, dc_scan, h->dequant4_coeff[0][s->qscale], 16) < 0){
-                return -1; //FIXME continue if partitioned and other return -1 too
-            }
-
-            assert((cbp&15) == 0 || (cbp&15) == 15);
-
-            if(cbp&15){
-                for(i8x8=0; i8x8<4; i8x8++){
-                    for(i4x4=0; i4x4<4; i4x4++){
-                        const int index= i4x4 + 4*i8x8;
-                        if( decode_residual(h, h->intra_gb_ptr, h->mb + 16*index, index, scan + 1, h->dequant4_coeff[0][s->qscale], 15) < 0 ){
-                            return -1;
-                        }
-                    }
-                }
-            }else{
-                fill_rectangle(&h->non_zero_count_cache[scan8[0]], 4, 4, 8, 0, 1);
-            }
-        }else{
-            for(i8x8=0; i8x8<4; i8x8++){
-                if(cbp & (1<<i8x8)){
-                    if(IS_8x8DCT(mb_type)){
-                        DCTELEM *buf = &h->mb[64*i8x8];
-                        uint8_t *nnz;
-                        for(i4x4=0; i4x4<4; i4x4++){
-                            if( decode_residual(h, gb, buf, i4x4+4*i8x8, scan8x8+16*i4x4,
-                                                h->dequant8_coeff[IS_INTRA( mb_type ) ? 0:1][s->qscale], 16) <0 )
-                                return -1;
-                        }
-                        nnz= &h->non_zero_count_cache[ scan8[4*i8x8] ];
-                        nnz[0] += nnz[1] + nnz[8] + nnz[9];
-                    }else{
-                        for(i4x4=0; i4x4<4; i4x4++){
-                            const int index= i4x4 + 4*i8x8;
-
-                            if( decode_residual(h, gb, h->mb + 16*index, index, scan, h->dequant4_coeff[IS_INTRA( mb_type ) ? 0:3][s->qscale], 16) <0 ){
-                                return -1;
-                            }
-                        }
-                    }
-                }else{
-                    uint8_t * const nnz= &h->non_zero_count_cache[ scan8[4*i8x8] ];
-                    nnz[0] = nnz[1] = nnz[8] = nnz[9] = 0;
-                }
-            }
-        }
-
-        if(cbp&0x30){
-            for(chroma_idx=0; chroma_idx<2; chroma_idx++)
-                if( decode_residual(h, gb, h->mb + 256 + 16*4*chroma_idx, CHROMA_DC_BLOCK_INDEX, chroma_dc_scan, NULL, 4) < 0){
-                    return -1;
-                }
-        }
-
-        if(cbp&0x20){
-            for(chroma_idx=0; chroma_idx<2; chroma_idx++){
-                for(i4x4=0; i4x4<4; i4x4++){
-                    const int index= 16 + 4*chroma_idx + i4x4;
-                    if( decode_residual(h, gb, h->mb + 16*index, index, scan + 1, h->dequant4_coeff[chroma_idx+1+(IS_INTRA( mb_type ) ? 0:3)][chroma_qp], 15) < 0){
-                        return -1;
-                    }
-                }
-            }
-        }else{
-            uint8_t * const nnz= &h->non_zero_count_cache[0];
-            nnz[ scan8[16]+0 ] = nnz[ scan8[16]+1 ] =nnz[ scan8[16]+8 ] =nnz[ scan8[16]+9 ] =
-            nnz[ scan8[20]+0 ] = nnz[ scan8[20]+1 ] =nnz[ scan8[20]+8 ] =nnz[ scan8[20]+9 ] = 0;
-        }
-    }else{
-        uint8_t * const nnz= &h->non_zero_count_cache[0];
-        fill_rectangle(&nnz[scan8[0]], 4, 4, 8, 0, 1);
-        nnz[ scan8[16]+0 ] = nnz[ scan8[16]+1 ] =nnz[ scan8[16]+8 ] =nnz[ scan8[16]+9 ] =
-        nnz[ scan8[20]+0 ] = nnz[ scan8[20]+1 ] =nnz[ scan8[20]+8 ] =nnz[ scan8[20]+9 ] = 0;
-    }
-    s->current_picture.qscale_table[mb_xy]= s->qscale;
-    write_back_non_zero_count(h);
-
-    if(MB_MBAFF){
-        h->ref_count[0] >>= 1;
-        h->ref_count[1] >>= 1;
-    }
-
-    return 0;
-}
-
-static int decode_cabac_field_decoding_flag(H264Context *h) {
-    MpegEncContext * const s = &h->s;
-    const int mb_x = s->mb_x;
-    const int mb_y = s->mb_y & ~1;
-    const int mba_xy = mb_x - 1 +  mb_y   *s->mb_stride;
-    const int mbb_xy = mb_x     + (mb_y-2)*s->mb_stride;
-
-    unsigned int ctx = 0;
-
-    if( h->slice_table[mba_xy] == h->slice_num && IS_INTERLACED( s->current_picture.mb_type[mba_xy] ) ) {
-        ctx += 1;
-    }
-    if( h->slice_table[mbb_xy] == h->slice_num && IS_INTERLACED( s->current_picture.mb_type[mbb_xy] ) ) {
-        ctx += 1;
-    }
-
-    return get_cabac_noinline( &h->cabac, &h->cabac_state[70 + ctx] );
-}
-
-static int decode_cabac_intra_mb_type(H264Context *h, int ctx_base, int intra_slice) {
-    uint8_t *state= &h->cabac_state[ctx_base];
-    int mb_type;
-
-    if(intra_slice){
-        MpegEncContext * const s = &h->s;
-        const int mba_xy = h->left_mb_xy[0];
-        const int mbb_xy = h->top_mb_xy;
-        int ctx=0;
-        if( h->slice_table[mba_xy] == h->slice_num && !IS_INTRA4x4( s->current_picture.mb_type[mba_xy] ) )
-            ctx++;
-        if( h->slice_table[mbb_xy] == h->slice_num && !IS_INTRA4x4( s->current_picture.mb_type[mbb_xy] ) )
-            ctx++;
-        if( get_cabac_noinline( &h->cabac, &state[ctx] ) == 0 )
-            return 0;   /* I4x4 */
-        state += 2;
-    }else{
-        if( get_cabac_noinline( &h->cabac, &state[0] ) == 0 )
-            return 0;   /* I4x4 */
-    }
-
-    if( get_cabac_terminate( &h->cabac ) )
-        return 25;  /* PCM */
-
-    mb_type = 1; /* I16x16 */
-    mb_type += 12 * get_cabac_noinline( &h->cabac, &state[1] ); /* cbp_luma != 0 */
-    if( get_cabac_noinline( &h->cabac, &state[2] ) ) /* cbp_chroma */
-        mb_type += 4 + 4 * get_cabac_noinline( &h->cabac, &state[2+intra_slice] );
-    mb_type += 2 * get_cabac_noinline( &h->cabac, &state[3+intra_slice] );
-    mb_type += 1 * get_cabac_noinline( &h->cabac, &state[3+2*intra_slice] );
-    return mb_type;
-}
-
-static int decode_cabac_mb_type( H264Context *h ) {
-    MpegEncContext * const s = &h->s;
-
-    if( h->slice_type == I_TYPE ) {
-        return decode_cabac_intra_mb_type(h, 3, 1);
-    } else if( h->slice_type == P_TYPE ) {
-        if( get_cabac_noinline( &h->cabac, &h->cabac_state[14] ) == 0 ) {
-            /* P-type */
-            if( get_cabac_noinline( &h->cabac, &h->cabac_state[15] ) == 0 ) {
-                /* P_L0_D16x16, P_8x8 */
-                return 3 * get_cabac_noinline( &h->cabac, &h->cabac_state[16] );
-            } else {
-                /* P_L0_D8x16, P_L0_D16x8 */
-                return 2 - get_cabac_noinline( &h->cabac, &h->cabac_state[17] );
-            }
-        } else {
-            return decode_cabac_intra_mb_type(h, 17, 0) + 5;
-        }
-    } else if( h->slice_type == B_TYPE ) {
-        const int mba_xy = h->left_mb_xy[0];
-        const int mbb_xy = h->top_mb_xy;
-        int ctx = 0;
-        int bits;
-
-        if( h->slice_table[mba_xy] == h->slice_num && !IS_DIRECT( s->current_picture.mb_type[mba_xy] ) )
-            ctx++;
-        if( h->slice_table[mbb_xy] == h->slice_num && !IS_DIRECT( s->current_picture.mb_type[mbb_xy] ) )
-            ctx++;
-
-        if( !get_cabac_noinline( &h->cabac, &h->cabac_state[27+ctx] ) )
-            return 0; /* B_Direct_16x16 */
-
-        if( !get_cabac_noinline( &h->cabac, &h->cabac_state[27+3] ) ) {
-            return 1 + get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] ); /* B_L[01]_16x16 */
-        }
-
-        bits = get_cabac_noinline( &h->cabac, &h->cabac_state[27+4] ) << 3;
-        bits|= get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] ) << 2;
-        bits|= get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] ) << 1;
-        bits|= get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] );
-        if( bits < 8 )
-            return bits + 3; /* B_Bi_16x16 through B_L1_L0_16x8 */
-        else if( bits == 13 ) {
-            return decode_cabac_intra_mb_type(h, 32, 0) + 23;
-        } else if( bits == 14 )
-            return 11; /* B_L1_L0_8x16 */
-        else if( bits == 15 )
-            return 22; /* B_8x8 */
-
-        bits= ( bits<<1 ) | get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] );
-        return bits - 4; /* B_L0_Bi_* through B_Bi_Bi_* */
-    } else {
-        /* TODO SI/SP frames? */
-        return -1;
-    }
-}
-
-static int decode_cabac_mb_skip( H264Context *h, int mb_x, int mb_y ) {
-    MpegEncContext * const s = &h->s;
-    int mba_xy, mbb_xy;
-    int ctx = 0;
-
-    if(FRAME_MBAFF){ //FIXME merge with the stuff in fill_caches?
-        int mb_xy = mb_x + (mb_y&~1)*s->mb_stride;
-        mba_xy = mb_xy - 1;
-        if( (mb_y&1)
-            && h->slice_table[mba_xy] == h->slice_num
-            && MB_FIELD == !!IS_INTERLACED( s->current_picture.mb_type[mba_xy] ) )
-            mba_xy += s->mb_stride;
-        if( MB_FIELD ){
-            mbb_xy = mb_xy - s->mb_stride;
-            if( !(mb_y&1)
-                && h->slice_table[mbb_xy] == h->slice_num
-                && IS_INTERLACED( s->current_picture.mb_type[mbb_xy] ) )
-                mbb_xy -= s->mb_stride;
-        }else
-            mbb_xy = mb_x + (mb_y-1)*s->mb_stride;
-    }else{
-        int mb_xy = mb_x + mb_y*s->mb_stride;
-        mba_xy = mb_xy - 1;
-        mbb_xy = mb_xy - s->mb_stride;
-    }
-
-    if( h->slice_table[mba_xy] == h->slice_num && !IS_SKIP( s->current_picture.mb_type[mba_xy] ))
-        ctx++;
-    if( h->slice_table[mbb_xy] == h->slice_num && !IS_SKIP( s->current_picture.mb_type[mbb_xy] ))
-        ctx++;
-
-    if( h->slice_type == B_TYPE )
-        ctx += 13;
-    return get_cabac_noinline( &h->cabac, &h->cabac_state[11+ctx] );
-}
-
-static int decode_cabac_mb_intra4x4_pred_mode( H264Context *h, int pred_mode ) {
-    int mode = 0;
-
-    if( get_cabac( &h->cabac, &h->cabac_state[68] ) )
-        return pred_mode;
-
-    mode += 1 * get_cabac( &h->cabac, &h->cabac_state[69] );
-    mode += 2 * get_cabac( &h->cabac, &h->cabac_state[69] );
-    mode += 4 * get_cabac( &h->cabac, &h->cabac_state[69] );
-
-    if( mode >= pred_mode )
-        return mode + 1;
-    else
-        return mode;
-}
-
-static int decode_cabac_mb_chroma_pre_mode( H264Context *h) {
-    const int mba_xy = h->left_mb_xy[0];
-    const int mbb_xy = h->top_mb_xy;
-
-    int ctx = 0;
-
-    /* No need to test for IS_INTRA4x4 and IS_INTRA16x16, as we set chroma_pred_mode_table to 0 */
-    if( h->slice_table[mba_xy] == h->slice_num && h->chroma_pred_mode_table[mba_xy] != 0 )
-        ctx++;
-
-    if( h->slice_table[mbb_xy] == h->slice_num && h->chroma_pred_mode_table[mbb_xy] != 0 )
-        ctx++;
-
-    if( get_cabac_noinline( &h->cabac, &h->cabac_state[64+ctx] ) == 0 )
-        return 0;
-
-    if( get_cabac_noinline( &h->cabac, &h->cabac_state[64+3] ) == 0 )
-        return 1;
-    if( get_cabac_noinline( &h->cabac, &h->cabac_state[64+3] ) == 0 )
-        return 2;
-    else
-        return 3;
-}
-
-static const uint8_t block_idx_x[16] = {
-    0, 1, 0, 1, 2, 3, 2, 3, 0, 1, 0, 1, 2, 3, 2, 3
-};
-static const uint8_t block_idx_y[16] = {
-    0, 0, 1, 1, 0, 0, 1, 1, 2, 2, 3, 3, 2, 2, 3, 3
-};
-static const uint8_t block_idx_xy[4][4] = {
-    { 0, 2, 8,  10},
-    { 1, 3, 9,  11},
-    { 4, 6, 12, 14},
-    { 5, 7, 13, 15}
-};
-
-static int decode_cabac_mb_cbp_luma( H264Context *h) {
-    int cbp = 0;
-    int cbp_b = -1;
-    int i8x8;
-
-    if( h->slice_table[h->top_mb_xy] == h->slice_num ) {
-        cbp_b = h->top_cbp;
-        tprintf(h->s.avctx, "cbp_b = top_cbp = %x\n", cbp_b);
-    }
-
-    for( i8x8 = 0; i8x8 < 4; i8x8++ ) {
-        int cbp_a = -1;
-        int x, y;
-        int ctx = 0;
-
-        x = block_idx_x[4*i8x8];
-        y = block_idx_y[4*i8x8];
-
-        if( x > 0 )
-            cbp_a = cbp;
-        else if( h->slice_table[h->left_mb_xy[0]] == h->slice_num ) {
-            cbp_a = h->left_cbp;
-            tprintf(h->s.avctx, "cbp_a = left_cbp = %x\n", cbp_a);
-        }
-
-        if( y > 0 )
-            cbp_b = cbp;
-
-        /* No need to test for skip as we put 0 for skip block */
-        /* No need to test for IPCM as we put 1 for IPCM block */
-        if( cbp_a >= 0 ) {
-            int i8x8a = block_idx_xy[(x-1)&0x03][y]/4;
-            if( ((cbp_a >> i8x8a)&0x01) == 0 )
-                ctx++;
-        }
-
-        if( cbp_b >= 0 ) {
-            int i8x8b = block_idx_xy[x][(y-1)&0x03]/4;
-            if( ((cbp_b >> i8x8b)&0x01) == 0 )
-                ctx += 2;
-        }
-
-        if( get_cabac( &h->cabac, &h->cabac_state[73 + ctx] ) ) {
-            cbp |= 1 << i8x8;
-        }
-    }
-    return cbp;
-}
-static int decode_cabac_mb_cbp_chroma( H264Context *h) {
-    int ctx;
-    int cbp_a, cbp_b;
-
-    cbp_a = (h->left_cbp>>4)&0x03;
-    cbp_b = (h-> top_cbp>>4)&0x03;
-
-    ctx = 0;
-    if( cbp_a > 0 ) ctx++;
-    if( cbp_b > 0 ) ctx += 2;
-    if( get_cabac_noinline( &h->cabac, &h->cabac_state[77 + ctx] ) == 0 )
-        return 0;
-
-    ctx = 4;
-    if( cbp_a == 2 ) ctx++;
-    if( cbp_b == 2 ) ctx += 2;
-    return 1 + get_cabac_noinline( &h->cabac, &h->cabac_state[77 + ctx] );
-}
-static int decode_cabac_mb_dqp( H264Context *h) {
-    MpegEncContext * const s = &h->s;
-    int mbn_xy;
-    int   ctx = 0;
-    int   val = 0;
-
-    if( s->mb_x > 0 )
-        mbn_xy = s->mb_x + s->mb_y*s->mb_stride - 1;
-    else
-        mbn_xy = s->mb_width - 1 + (s->mb_y-1)*s->mb_stride;
-
-    if( h->last_qscale_diff != 0 )
-        ctx++;
-
-    while( get_cabac_noinline( &h->cabac, &h->cabac_state[60 + ctx] ) ) {
-        if( ctx < 2 )
-            ctx = 2;
-        else
-            ctx = 3;
-        val++;
-        if(val > 102) //prevent infinite loop
-            return INT_MIN;
-    }
-
-    if( val&0x01 )
-        return (val + 1)/2;
-    else
-        return -(val + 1)/2;
-}
-static int decode_cabac_p_mb_sub_type( H264Context *h ) {
-    if( get_cabac( &h->cabac, &h->cabac_state[21] ) )
-        return 0;   /* 8x8 */
-    if( !get_cabac( &h->cabac, &h->cabac_state[22] ) )
-        return 1;   /* 8x4 */
-    if( get_cabac( &h->cabac, &h->cabac_state[23] ) )
-        return 2;   /* 4x8 */
-    return 3;       /* 4x4 */
-}
-static int decode_cabac_b_mb_sub_type( H264Context *h ) {
-    int type;
-    if( !get_cabac( &h->cabac, &h->cabac_state[36] ) )
-        return 0;   /* B_Direct_8x8 */
-    if( !get_cabac( &h->cabac, &h->cabac_state[37] ) )
-        return 1 + get_cabac( &h->cabac, &h->cabac_state[39] ); /* B_L0_8x8, B_L1_8x8 */
-    type = 3;
-    if( get_cabac( &h->cabac, &h->cabac_state[38] ) ) {
-        if( get_cabac( &h->cabac, &h->cabac_state[39] ) )
-            return 11 + get_cabac( &h->cabac, &h->cabac_state[39] ); /* B_L1_4x4, B_Bi_4x4 */
-        type += 4;
-    }
-    type += 2*get_cabac( &h->cabac, &h->cabac_state[39] );
-    type +=   get_cabac( &h->cabac, &h->cabac_state[39] );
-    return type;
-}
-
-static inline int decode_cabac_mb_transform_size( H264Context *h ) {
-    return get_cabac_noinline( &h->cabac, &h->cabac_state[399 + h->neighbor_transform_size] );
-}
-
-static int decode_cabac_mb_ref( H264Context *h, int list, int n ) {
-    int refa = h->ref_cache[list][scan8[n] - 1];
-    int refb = h->ref_cache[list][scan8[n] - 8];
-    int ref  = 0;
-    int ctx  = 0;
-
-    if( h->slice_type == B_TYPE) {
-        if( refa > 0 && !h->direct_cache[scan8[n] - 1] )
-            ctx++;
-        if( refb > 0 && !h->direct_cache[scan8[n] - 8] )
-            ctx += 2;
-    } else {
-        if( refa > 0 )
-            ctx++;
-        if( refb > 0 )
-            ctx += 2;
-    }
-
-    while( get_cabac( &h->cabac, &h->cabac_state[54+ctx] ) ) {
-        ref++;
-        if( ctx < 4 )
-            ctx = 4;
-        else
-            ctx = 5;
-        if(ref >= 32 /*h->ref_list[list]*/){
-            av_log(h->s.avctx, AV_LOG_ERROR, "overflow in decode_cabac_mb_ref\n");
-            return 0; //FIXME we should return -1 and check the return everywhere
-        }
-    }
-    return ref;
-}
-
-static int decode_cabac_mb_mvd( H264Context *h, int list, int n, int l ) {
-    int amvd = abs( h->mvd_cache[list][scan8[n] - 1][l] ) +
-               abs( h->mvd_cache[list][scan8[n] - 8][l] );
-    int ctxbase = (l == 0) ? 40 : 47;
-    int ctx, mvd;
-
-    if( amvd < 3 )
-        ctx = 0;
-    else if( amvd > 32 )
-        ctx = 2;
-    else
-        ctx = 1;
-
-    if(!get_cabac(&h->cabac, &h->cabac_state[ctxbase+ctx]))
-        return 0;
-
-    mvd= 1;
-    ctx= 3;
-    while( mvd < 9 && get_cabac( &h->cabac, &h->cabac_state[ctxbase+ctx] ) ) {
-        mvd++;
-        if( ctx < 6 )
-            ctx++;
-    }
-
-    if( mvd >= 9 ) {
-        int k = 3;
-        while( get_cabac_bypass( &h->cabac ) ) {
-            mvd += 1 << k;
-            k++;
-            if(k>24){
-                av_log(h->s.avctx, AV_LOG_ERROR, "overflow in decode_cabac_mb_mvd\n");
-                return INT_MIN;
-            }
-        }
-        while( k-- ) {
-            if( get_cabac_bypass( &h->cabac ) )
-                mvd += 1 << k;
-        }
-    }
-    return get_cabac_bypass_sign( &h->cabac, -mvd );
-}
-
-static inline int get_cabac_cbf_ctx( H264Context *h, int cat, int idx ) {
-    int nza, nzb;
-    int ctx = 0;
-
-    if( cat == 0 ) {
-        nza = h->left_cbp&0x100;
-        nzb = h-> top_cbp&0x100;
-    } else if( cat == 1 || cat == 2 ) {
-        nza = h->non_zero_count_cache[scan8[idx] - 1];
-        nzb = h->non_zero_count_cache[scan8[idx] - 8];
-    } else if( cat == 3 ) {
-        nza = (h->left_cbp>>(6+idx))&0x01;
-        nzb = (h-> top_cbp>>(6+idx))&0x01;
-    } else {
-        assert(cat == 4);
-        nza = h->non_zero_count_cache[scan8[16+idx] - 1];
-        nzb = h->non_zero_count_cache[scan8[16+idx] - 8];
-    }
-
-    if( nza > 0 )
-        ctx++;
-
-    if( nzb > 0 )
-        ctx += 2;
-
-    return ctx + 4 * cat;
-}
-
-static const __attribute((used)) uint8_t last_coeff_flag_offset_8x8[63] = {
-    0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
-    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
-    3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4,
-    5, 5, 5, 5, 6, 6, 6, 6, 7, 7, 7, 7, 8, 8, 8
-};
-
-static int decode_cabac_residual( H264Context *h, DCTELEM *block, int cat, int n, const uint8_t *scantable, const uint32_t *qmul, int max_coeff) {
-    const int mb_xy  = h->s.mb_x + h->s.mb_y*h->s.mb_stride;
-    static const int significant_coeff_flag_offset[2][6] = {
-      { 105+0, 105+15, 105+29, 105+44, 105+47, 402 },
-      { 277+0, 277+15, 277+29, 277+44, 277+47, 436 }
-    };
-    static const int last_coeff_flag_offset[2][6] = {
-      { 166+0, 166+15, 166+29, 166+44, 166+47, 417 },
-      { 338+0, 338+15, 338+29, 338+44, 338+47, 451 }
-    };
-    static const int coeff_abs_level_m1_offset[6] = {
-        227+0, 227+10, 227+20, 227+30, 227+39, 426
-    };
-    static const uint8_t significant_coeff_flag_offset_8x8[2][63] = {
-      { 0, 1, 2, 3, 4, 5, 5, 4, 4, 3, 3, 4, 4, 4, 5, 5,
-        4, 4, 4, 4, 3, 3, 6, 7, 7, 7, 8, 9,10, 9, 8, 7,
-        7, 6,11,12,13,11, 6, 7, 8, 9,14,10, 9, 8, 6,11,
-       12,13,11, 6, 9,14,10, 9,11,12,13,11,14,10,12 },
-      { 0, 1, 1, 2, 2, 3, 3, 4, 5, 6, 7, 7, 7, 8, 4, 5,
-        6, 9,10,10, 8,11,12,11, 9, 9,10,10, 8,11,12,11,
-        9, 9,10,10, 8,11,12,11, 9, 9,10,10, 8,13,13, 9,
-        9,10,10, 8,13,13, 9, 9,10,10,14,14,14,14,14 }
-    };
-
-    int index[64];
-
-    int last;
-    int coeff_count = 0;
-
-    int abslevel1 = 1;
-    int abslevelgt1 = 0;
-
-    uint8_t *significant_coeff_ctx_base;
-    uint8_t *last_coeff_ctx_base;
-    uint8_t *abs_level_m1_ctx_base;
-
-#ifndef ARCH_X86
-#define CABAC_ON_STACK
-#endif
-#ifdef CABAC_ON_STACK
-#define CC &cc
-    CABACContext cc;
-    cc.range     = h->cabac.range;
-    cc.low       = h->cabac.low;
-    cc.bytestream= h->cabac.bytestream;
-#else
-#define CC &h->cabac
-#endif
-
-
-    /* cat: 0-> DC 16x16  n = 0
-     *      1-> AC 16x16  n = luma4x4idx
-     *      2-> Luma4x4   n = luma4x4idx
-     *      3-> DC Chroma n = iCbCr
-     *      4-> AC Chroma n = 4 * iCbCr + chroma4x4idx
-     *      5-> Luma8x8   n = 4 * luma8x8idx
-     */
-
-    /* read coded block flag */
-    if( cat != 5 ) {
-        if( get_cabac( CC, &h->cabac_state[85 + get_cabac_cbf_ctx( h, cat, n ) ] ) == 0 ) {
-            if( cat == 1 || cat == 2 )
-                h->non_zero_count_cache[scan8[n]] = 0;
-            else if( cat == 4 )
-                h->non_zero_count_cache[scan8[16+n]] = 0;
-#ifdef CABAC_ON_STACK
-            h->cabac.range     = cc.range     ;
-            h->cabac.low       = cc.low       ;
-            h->cabac.bytestream= cc.bytestream;
-#endif
-            return 0;
-        }
-    }
-
-    significant_coeff_ctx_base = h->cabac_state
-        + significant_coeff_flag_offset[MB_FIELD][cat];
-    last_coeff_ctx_base = h->cabac_state
-        + last_coeff_flag_offset[MB_FIELD][cat];
-    abs_level_m1_ctx_base = h->cabac_state
-        + coeff_abs_level_m1_offset[cat];
-
-    if( cat == 5 ) {
-#define DECODE_SIGNIFICANCE( coefs, sig_off, last_off ) \
-        for(last= 0; last < coefs; last++) { \
-            uint8_t *sig_ctx = significant_coeff_ctx_base + sig_off; \
-            if( get_cabac( CC, sig_ctx )) { \
-                uint8_t *last_ctx = last_coeff_ctx_base + last_off; \
-                index[coeff_count++] = last; \
-                if( get_cabac( CC, last_ctx ) ) { \
-                    last= max_coeff; \
-                    break; \
-                } \
-            } \
-        }\
-        if( last == max_coeff -1 ) {\
-            index[coeff_count++] = last;\
-        }
-        const uint8_t *sig_off = significant_coeff_flag_offset_8x8[MB_FIELD];
-#if defined(ARCH_X86) && defined(CONFIG_7REGS) && defined(HAVE_EBX_AVAILABLE) && !defined(BROKEN_RELOCATIONS)
-        coeff_count= decode_significance_8x8_x86(CC, significant_coeff_ctx_base, index, sig_off);
-    } else {
-        coeff_count= decode_significance_x86(CC, max_coeff, significant_coeff_ctx_base, index);
-#else
-        DECODE_SIGNIFICANCE( 63, sig_off[last], last_coeff_flag_offset_8x8[last] );
-    } else {
-        DECODE_SIGNIFICANCE( max_coeff - 1, last, last );
-#endif
-    }
-    assert(coeff_count > 0);
-
-    if( cat == 0 )
-        h->cbp_table[mb_xy] |= 0x100;
-    else if( cat == 1 || cat == 2 )
-        h->non_zero_count_cache[scan8[n]] = coeff_count;
-    else if( cat == 3 )
-        h->cbp_table[mb_xy] |= 0x40 << n;
-    else if( cat == 4 )
-        h->non_zero_count_cache[scan8[16+n]] = coeff_count;
-    else {
-        assert( cat == 5 );
-        fill_rectangle(&h->non_zero_count_cache[scan8[n]], 2, 2, 8, coeff_count, 1);
-    }
-
-    for( coeff_count--; coeff_count >= 0; coeff_count-- ) {
-        uint8_t *ctx = (abslevelgt1 != 0 ? 0 : FFMIN( 4, abslevel1 )) + abs_level_m1_ctx_base;
-        int j= scantable[index[coeff_count]];
-
-        if( get_cabac( CC, ctx ) == 0 ) {
-            if( !qmul ) {
-                block[j] = get_cabac_bypass_sign( CC, -1);
-            }else{
-                block[j] = (get_cabac_bypass_sign( CC, -qmul[j]) + 32) >> 6;;
-            }
-
-            abslevel1++;
-        } else {
-            int coeff_abs = 2;
-            ctx = 5 + FFMIN( 4, abslevelgt1 ) + abs_level_m1_ctx_base;
-            while( coeff_abs < 15 && get_cabac( CC, ctx ) ) {
-                coeff_abs++;
-            }
-
-            if( coeff_abs >= 15 ) {
-                int j = 0;
-                while( get_cabac_bypass( CC ) ) {
-                    j++;
-                }
-
-                coeff_abs=1;
-                while( j-- ) {
-                    coeff_abs += coeff_abs + get_cabac_bypass( CC );
-                }
-                coeff_abs+= 14;
-            }
-
-            if( !qmul ) {
-                if( get_cabac_bypass( CC ) ) block[j] = -coeff_abs;
-                else                                block[j] =  coeff_abs;
-            }else{
-                if( get_cabac_bypass( CC ) ) block[j] = (-coeff_abs * qmul[j] + 32) >> 6;
-                else                                block[j] = ( coeff_abs * qmul[j] + 32) >> 6;
-            }
-
-            abslevelgt1++;
-        }
-    }
-#ifdef CABAC_ON_STACK
-            h->cabac.range     = cc.range     ;
-            h->cabac.low       = cc.low       ;
-            h->cabac.bytestream= cc.bytestream;
-#endif
-    return 0;
-}
-
-static inline void compute_mb_neighbors(H264Context *h)
+int ff_h264_find_frame_end(H264Context *h, const uint8_t *buf, int buf_size)
 {
-    MpegEncContext * const s = &h->s;
-    const int mb_xy  = s->mb_x + s->mb_y*s->mb_stride;
-    h->top_mb_xy     = mb_xy - s->mb_stride;
-    h->left_mb_xy[0] = mb_xy - 1;
-    if(FRAME_MBAFF){
-        const int pair_xy          = s->mb_x     + (s->mb_y & ~1)*s->mb_stride;
-        const int top_pair_xy      = pair_xy     - s->mb_stride;
-        const int top_mb_frame_flag      = !IS_INTERLACED(s->current_picture.mb_type[top_pair_xy]);
-        const int left_mb_frame_flag = !IS_INTERLACED(s->current_picture.mb_type[pair_xy-1]);
-        const int curr_mb_frame_flag = !MB_FIELD;
-        const int bottom = (s->mb_y & 1);
-        if (bottom
-                ? !curr_mb_frame_flag // bottom macroblock
-                : (!curr_mb_frame_flag && !top_mb_frame_flag) // top macroblock
-                ) {
-            h->top_mb_xy -= s->mb_stride;
-        }
-        if (left_mb_frame_flag != curr_mb_frame_flag) {
-            h->left_mb_xy[0] = pair_xy - 1;
-        }
-    }
-    return;
-}
-
-/**
- * decodes a macroblock
- * @returns 0 if ok, AC_ERROR / DC_ERROR / MV_ERROR if an error is noticed
- */
-static int decode_mb_cabac(H264Context *h) {
-    MpegEncContext * const s = &h->s;
-    const int mb_xy= s->mb_x + s->mb_y*s->mb_stride;
-    int mb_type, partition_count, cbp = 0;
-    int dct8x8_allowed= h->pps.transform_8x8_mode;
-
-    s->dsp.clear_blocks(h->mb); //FIXME avoid if already clear (move after skip handlong?)
-
-    tprintf(s->avctx, "pic:%d mb:%d/%d\n", h->frame_num, s->mb_x, s->mb_y);
-    if( h->slice_type != I_TYPE && h->slice_type != SI_TYPE ) {
-        int skip;
-        /* a skipped mb needs the aff flag from the following mb */
-        if( FRAME_MBAFF && s->mb_x==0 && (s->mb_y&1)==0 )
-            predict_field_decoding_flag(h);
-        if( FRAME_MBAFF && (s->mb_y&1)==1 && h->prev_mb_skipped )
-            skip = h->next_mb_skipped;
-        else
-            skip = decode_cabac_mb_skip( h, s->mb_x, s->mb_y );
-        /* read skip flags */
-        if( skip ) {
-            if( FRAME_MBAFF && (s->mb_y&1)==0 ){
-                s->current_picture.mb_type[mb_xy] = MB_TYPE_SKIP;
-                h->next_mb_skipped = decode_cabac_mb_skip( h, s->mb_x, s->mb_y+1 );
-                if(h->next_mb_skipped)
-                    predict_field_decoding_flag(h);
-                else
-                    h->mb_mbaff = h->mb_field_decoding_flag = decode_cabac_field_decoding_flag(h);
-            }
-
-            decode_mb_skip(h);
-
-            h->cbp_table[mb_xy] = 0;
-            h->chroma_pred_mode_table[mb_xy] = 0;
-            h->last_qscale_diff = 0;
-
-            return 0;
-
-        }
-    }
-    if(FRAME_MBAFF){
-        if( (s->mb_y&1) == 0 )
-            h->mb_mbaff =
-            h->mb_field_decoding_flag = decode_cabac_field_decoding_flag(h);
-    }else
-        h->mb_field_decoding_flag= (s->picture_structure!=PICT_FRAME);
-
-    h->prev_mb_skipped = 0;
-
-    compute_mb_neighbors(h);
-    if( ( mb_type = decode_cabac_mb_type( h ) ) < 0 ) {
-        av_log( h->s.avctx, AV_LOG_ERROR, "decode_cabac_mb_type failed\n" );
-        return -1;
-    }
-
-    if( h->slice_type == B_TYPE ) {
-        if( mb_type < 23 ){
-            partition_count= b_mb_type_info[mb_type].partition_count;
-            mb_type=         b_mb_type_info[mb_type].type;
-        }else{
-            mb_type -= 23;
-            goto decode_intra_mb;
-        }
-    } else if( h->slice_type == P_TYPE ) {
-        if( mb_type < 5) {
-            partition_count= p_mb_type_info[mb_type].partition_count;
-            mb_type=         p_mb_type_info[mb_type].type;
-        } else {
-            mb_type -= 5;
-            goto decode_intra_mb;
-        }
-    } else {
-       assert(h->slice_type == I_TYPE);
-decode_intra_mb:
-        partition_count = 0;
-        cbp= i_mb_type_info[mb_type].cbp;
-        h->intra16x16_pred_mode= i_mb_type_info[mb_type].pred_mode;
-        mb_type= i_mb_type_info[mb_type].type;
-    }
-    if(MB_FIELD)
-        mb_type |= MB_TYPE_INTERLACED;
-
-    h->slice_table[ mb_xy ]= h->slice_num;
-
-    if(IS_INTRA_PCM(mb_type)) {
-        const uint8_t *ptr;
-        unsigned int x, y;
-
-        // We assume these blocks are very rare so we dont optimize it.
-        // FIXME The two following lines get the bitstream position in the cabac
-        // decode, I think it should be done by a function in cabac.h (or cabac.c).
-        ptr= h->cabac.bytestream;
-        if(h->cabac.low&0x1) ptr--;
-        if(CABAC_BITS==16){
-            if(h->cabac.low&0x1FF) ptr--;
-        }
-
-        // The pixels are stored in the same order as levels in h->mb array.
-        for(y=0; y<16; y++){
-            const int index= 4*(y&3) + 32*((y>>2)&1) + 128*(y>>3);
-            for(x=0; x<16; x++){
-                tprintf(s->avctx, "LUMA ICPM LEVEL (%3d)\n", *ptr);
-                h->mb[index + (x&3) + 16*((x>>2)&1) + 64*(x>>3)]= *ptr++;
-            }
-        }
-        for(y=0; y<8; y++){
-            const int index= 256 + 4*(y&3) + 32*(y>>2);
-            for(x=0; x<8; x++){
-                tprintf(s->avctx, "CHROMA U ICPM LEVEL (%3d)\n", *ptr);
-                h->mb[index + (x&3) + 16*(x>>2)]= *ptr++;
-            }
-        }
-        for(y=0; y<8; y++){
-            const int index= 256 + 64 + 4*(y&3) + 32*(y>>2);
-            for(x=0; x<8; x++){
-                tprintf(s->avctx, "CHROMA V ICPM LEVEL (%3d)\n", *ptr);
-                h->mb[index + (x&3) + 16*(x>>2)]= *ptr++;
-            }
-        }
-
-        ff_init_cabac_decoder(&h->cabac, ptr, h->cabac.bytestream_end - ptr);
-
-        // All blocks are present
-        h->cbp_table[mb_xy] = 0x1ef;
-        h->chroma_pred_mode_table[mb_xy] = 0;
-        // In deblocking, the quantizer is 0
-        s->current_picture.qscale_table[mb_xy]= 0;
-        h->chroma_qp = get_chroma_qp(h->pps.chroma_qp_index_offset, 0);
-        // All coeffs are present
-        memset(h->non_zero_count[mb_xy], 16, 16);
-        s->current_picture.mb_type[mb_xy]= mb_type;
-        return 0;
-    }
-
-    if(MB_MBAFF){
-        h->ref_count[0] <<= 1;
-        h->ref_count[1] <<= 1;
-    }
-
-    fill_caches(h, mb_type, 0);
-
-    if( IS_INTRA( mb_type ) ) {
-        int i, pred_mode;
-        if( IS_INTRA4x4( mb_type ) ) {
-            if( dct8x8_allowed && decode_cabac_mb_transform_size( h ) ) {
-                mb_type |= MB_TYPE_8x8DCT;
-                for( i = 0; i < 16; i+=4 ) {
-                    int pred = pred_intra_mode( h, i );
-                    int mode = decode_cabac_mb_intra4x4_pred_mode( h, pred );
-                    fill_rectangle( &h->intra4x4_pred_mode_cache[ scan8[i] ], 2, 2, 8, mode, 1 );
-                }
-            } else {
-                for( i = 0; i < 16; i++ ) {
-                    int pred = pred_intra_mode( h, i );
-                    h->intra4x4_pred_mode_cache[ scan8[i] ] = decode_cabac_mb_intra4x4_pred_mode( h, pred );
-
-                //av_log( s->avctx, AV_LOG_ERROR, "i4x4 pred=%d mode=%d\n", pred, h->intra4x4_pred_mode_cache[ scan8[i] ] );
-                }
-            }
-            write_back_intra_pred_mode(h);
-            if( check_intra4x4_pred_mode(h) < 0 ) return -1;
-        } else {
-            h->intra16x16_pred_mode= check_intra_pred_mode( h, h->intra16x16_pred_mode );
-            if( h->intra16x16_pred_mode < 0 ) return -1;
-        }
-        h->chroma_pred_mode_table[mb_xy] =
-        pred_mode                        = decode_cabac_mb_chroma_pre_mode( h );
-
-        pred_mode= check_intra_pred_mode( h, pred_mode );
-        if( pred_mode < 0 ) return -1;
-        h->chroma_pred_mode= pred_mode;
-    } else if( partition_count == 4 ) {
-        int i, j, sub_partition_count[4], list, ref[2][4];
-
-        if( h->slice_type == B_TYPE ) {
-            for( i = 0; i < 4; i++ ) {
-                h->sub_mb_type[i] = decode_cabac_b_mb_sub_type( h );
-                sub_partition_count[i]= b_sub_mb_type_info[ h->sub_mb_type[i] ].partition_count;
-                h->sub_mb_type[i]=      b_sub_mb_type_info[ h->sub_mb_type[i] ].type;
-            }
-            if( IS_DIRECT(h->sub_mb_type[0] | h->sub_mb_type[1] |
-                          h->sub_mb_type[2] | h->sub_mb_type[3]) ) {
-                pred_direct_motion(h, &mb_type);
-                if( h->ref_count[0] > 1 || h->ref_count[1] > 1 ) {
-                    for( i = 0; i < 4; i++ )
-                        if( IS_DIRECT(h->sub_mb_type[i]) )
-                            fill_rectangle( &h->direct_cache[scan8[4*i]], 2, 2, 8, 1, 1 );
-                }
-            }
-        } else {
-            for( i = 0; i < 4; i++ ) {
-                h->sub_mb_type[i] = decode_cabac_p_mb_sub_type( h );
-                sub_partition_count[i]= p_sub_mb_type_info[ h->sub_mb_type[i] ].partition_count;
-                h->sub_mb_type[i]=      p_sub_mb_type_info[ h->sub_mb_type[i] ].type;
-            }
-        }
-
-        for( list = 0; list < h->list_count; list++ ) {
-                for( i = 0; i < 4; i++ ) {
-                    if(IS_DIRECT(h->sub_mb_type[i])) continue;
-                    if(IS_DIR(h->sub_mb_type[i], 0, list)){
-                        if( h->ref_count[list] > 1 )
-                            ref[list][i] = decode_cabac_mb_ref( h, list, 4*i );
-                        else
-                            ref[list][i] = 0;
-                    } else {
-                        ref[list][i] = -1;
-                    }
-                                                       h->ref_cache[list][ scan8[4*i]+1 ]=
-                    h->ref_cache[list][ scan8[4*i]+8 ]=h->ref_cache[list][ scan8[4*i]+9 ]= ref[list][i];
-                }
-        }
-
-        if(dct8x8_allowed)
-            dct8x8_allowed = get_dct8x8_allowed(h);
-
-        for(list=0; list<h->list_count; list++){
-            for(i=0; i<4; i++){
-                if(IS_DIRECT(h->sub_mb_type[i])){
-                    fill_rectangle(h->mvd_cache[list][scan8[4*i]], 2, 2, 8, 0, 4);
-                    continue;
-                }
-                h->ref_cache[list][ scan8[4*i]   ]=h->ref_cache[list][ scan8[4*i]+1 ];
-
-                if(IS_DIR(h->sub_mb_type[i], 0, list) && !IS_DIRECT(h->sub_mb_type[i])){
-                    const int sub_mb_type= h->sub_mb_type[i];
-                    const int block_width= (sub_mb_type & (MB_TYPE_16x16|MB_TYPE_16x8)) ? 2 : 1;
-                    for(j=0; j<sub_partition_count[i]; j++){
-                        int mpx, mpy;
-                        int mx, my;
-                        const int index= 4*i + block_width*j;
-                        int16_t (* mv_cache)[2]= &h->mv_cache[list][ scan8[index] ];
-                        int16_t (* mvd_cache)[2]= &h->mvd_cache[list][ scan8[index] ];
-                        pred_motion(h, index, block_width, list, h->ref_cache[list][ scan8[index] ], &mpx, &mpy);
-
-                        mx = mpx + decode_cabac_mb_mvd( h, list, index, 0 );
-                        my = mpy + decode_cabac_mb_mvd( h, list, index, 1 );
-                        tprintf(s->avctx, "final mv:%d %d\n", mx, my);
-
-                        if(IS_SUB_8X8(sub_mb_type)){
-                            mv_cache[ 1 ][0]=
-                            mv_cache[ 8 ][0]= mv_cache[ 9 ][0]= mx;
-                            mv_cache[ 1 ][1]=
-                            mv_cache[ 8 ][1]= mv_cache[ 9 ][1]= my;
-
-                            mvd_cache[ 1 ][0]=
-                            mvd_cache[ 8 ][0]= mvd_cache[ 9 ][0]= mx - mpx;
-                            mvd_cache[ 1 ][1]=
-                            mvd_cache[ 8 ][1]= mvd_cache[ 9 ][1]= my - mpy;
-                        }else if(IS_SUB_8X4(sub_mb_type)){
-                            mv_cache[ 1 ][0]= mx;
-                            mv_cache[ 1 ][1]= my;
-
-                            mvd_cache[ 1 ][0]= mx - mpx;
-                            mvd_cache[ 1 ][1]= my - mpy;
-                        }else if(IS_SUB_4X8(sub_mb_type)){
-                            mv_cache[ 8 ][0]= mx;
-                            mv_cache[ 8 ][1]= my;
-
-                            mvd_cache[ 8 ][0]= mx - mpx;
-                            mvd_cache[ 8 ][1]= my - mpy;
-                        }
-                        mv_cache[ 0 ][0]= mx;
-                        mv_cache[ 0 ][1]= my;
-
-                        mvd_cache[ 0 ][0]= mx - mpx;
-                        mvd_cache[ 0 ][1]= my - mpy;
-                    }
-                }else{
-                    uint32_t *p= (uint32_t *)&h->mv_cache[list][ scan8[4*i] ][0];
-                    uint32_t *pd= (uint32_t *)&h->mvd_cache[list][ scan8[4*i] ][0];
-                    p[0] = p[1] = p[8] = p[9] = 0;
-                    pd[0]= pd[1]= pd[8]= pd[9]= 0;
-                }
-            }
-        }
-    } else if( IS_DIRECT(mb_type) ) {
-        pred_direct_motion(h, &mb_type);
-        fill_rectangle(h->mvd_cache[0][scan8[0]], 4, 4, 8, 0, 4);
-        fill_rectangle(h->mvd_cache[1][scan8[0]], 4, 4, 8, 0, 4);
-        dct8x8_allowed &= h->sps.direct_8x8_inference_flag;
-    } else {
-        int list, mx, my, i, mpx, mpy;
-        if(IS_16X16(mb_type)){
-            for(list=0; list<h->list_count; list++){
-                if(IS_DIR(mb_type, 0, list)){
-                        const int ref = h->ref_count[list] > 1 ? decode_cabac_mb_ref( h, list, 0 ) : 0;
-                        fill_rectangle(&h->ref_cache[list][ scan8[0] ], 4, 4, 8, ref, 1);
-                }else
-                    fill_rectangle(&h->ref_cache[list][ scan8[0] ], 4, 4, 8, (uint8_t)LIST_NOT_USED, 1); //FIXME factorize and the other fill_rect below too
-            }
-            for(list=0; list<h->list_count; list++){
-                if(IS_DIR(mb_type, 0, list)){
-                    pred_motion(h, 0, 4, list, h->ref_cache[list][ scan8[0] ], &mpx, &mpy);
-
-                    mx = mpx + decode_cabac_mb_mvd( h, list, 0, 0 );
-                    my = mpy + decode_cabac_mb_mvd( h, list, 0, 1 );
-                    tprintf(s->avctx, "final mv:%d %d\n", mx, my);
-
-                    fill_rectangle(h->mvd_cache[list][ scan8[0] ], 4, 4, 8, pack16to32(mx-mpx,my-mpy), 4);
-                    fill_rectangle(h->mv_cache[list][ scan8[0] ], 4, 4, 8, pack16to32(mx,my), 4);
-                }else
-                    fill_rectangle(h->mv_cache[list][ scan8[0] ], 4, 4, 8, 0, 4);
-            }
-        }
-        else if(IS_16X8(mb_type)){
-            for(list=0; list<h->list_count; list++){
-                    for(i=0; i<2; i++){
-                        if(IS_DIR(mb_type, i, list)){
-                            const int ref= h->ref_count[list] > 1 ? decode_cabac_mb_ref( h, list, 8*i ) : 0;
-                            fill_rectangle(&h->ref_cache[list][ scan8[0] + 16*i ], 4, 2, 8, ref, 1);
-                        }else
-                            fill_rectangle(&h->ref_cache[list][ scan8[0] + 16*i ], 4, 2, 8, (LIST_NOT_USED&0xFF), 1);
-                    }
-            }
-            for(list=0; list<h->list_count; list++){
-                for(i=0; i<2; i++){
-                    if(IS_DIR(mb_type, i, list)){
-                        pred_16x8_motion(h, 8*i, list, h->ref_cache[list][scan8[0] + 16*i], &mpx, &mpy);
-                        mx = mpx + decode_cabac_mb_mvd( h, list, 8*i, 0 );
-                        my = mpy + decode_cabac_mb_mvd( h, list, 8*i, 1 );
-                        tprintf(s->avctx, "final mv:%d %d\n", mx, my);
-
-                        fill_rectangle(h->mvd_cache[list][ scan8[0] + 16*i ], 4, 2, 8, pack16to32(mx-mpx,my-mpy), 4);
-                        fill_rectangle(h->mv_cache[list][ scan8[0] + 16*i ], 4, 2, 8, pack16to32(mx,my), 4);
-                    }else{
-                        fill_rectangle(h->mvd_cache[list][ scan8[0] + 16*i ], 4, 2, 8, 0, 4);
-                        fill_rectangle(h-> mv_cache[list][ scan8[0] + 16*i ], 4, 2, 8, 0, 4);
-                    }
-                }
-            }
-        }else{
-            assert(IS_8X16(mb_type));
-            for(list=0; list<h->list_count; list++){
-                    for(i=0; i<2; i++){
-                        if(IS_DIR(mb_type, i, list)){ //FIXME optimize
-                            const int ref= h->ref_count[list] > 1 ? decode_cabac_mb_ref( h, list, 4*i ) : 0;
-                            fill_rectangle(&h->ref_cache[list][ scan8[0] + 2*i ], 2, 4, 8, ref, 1);
-                        }else
-                            fill_rectangle(&h->ref_cache[list][ scan8[0] + 2*i ], 2, 4, 8, (LIST_NOT_USED&0xFF), 1);
-                    }
-            }
-            for(list=0; list<h->list_count; list++){
-                for(i=0; i<2; i++){
-                    if(IS_DIR(mb_type, i, list)){
-                        pred_8x16_motion(h, i*4, list, h->ref_cache[list][ scan8[0] + 2*i ], &mpx, &mpy);
-                        mx = mpx + decode_cabac_mb_mvd( h, list, 4*i, 0 );
-                        my = mpy + decode_cabac_mb_mvd( h, list, 4*i, 1 );
-
-                        tprintf(s->avctx, "final mv:%d %d\n", mx, my);
-                        fill_rectangle(h->mvd_cache[list][ scan8[0] + 2*i ], 2, 4, 8, pack16to32(mx-mpx,my-mpy), 4);
-                        fill_rectangle(h->mv_cache[list][ scan8[0] + 2*i ], 2, 4, 8, pack16to32(mx,my), 4);
-                    }else{
-                        fill_rectangle(h->mvd_cache[list][ scan8[0] + 2*i ], 2, 4, 8, 0, 4);
-                        fill_rectangle(h-> mv_cache[list][ scan8[0] + 2*i ], 2, 4, 8, 0, 4);
-                    }
-                }
-            }
-        }
-    }
-
-   if( IS_INTER( mb_type ) ) {
-        h->chroma_pred_mode_table[mb_xy] = 0;
-        write_back_motion( h, mb_type );
-   }
-
-    if( !IS_INTRA16x16( mb_type ) ) {
-        cbp  = decode_cabac_mb_cbp_luma( h );
-        cbp |= decode_cabac_mb_cbp_chroma( h ) << 4;
-    }
-
-    h->cbp_table[mb_xy] = h->cbp = cbp;
-
-    if( dct8x8_allowed && (cbp&15) && !IS_INTRA( mb_type ) ) {
-        if( decode_cabac_mb_transform_size( h ) )
-            mb_type |= MB_TYPE_8x8DCT;
-    }
-    s->current_picture.mb_type[mb_xy]= mb_type;
-
-    if( cbp || IS_INTRA16x16( mb_type ) ) {
-        const uint8_t *scan, *scan8x8, *dc_scan;
-        int dqp;
-
-        if(IS_INTERLACED(mb_type)){
-            scan8x8= s->qscale ? h->field_scan8x8 : h->field_scan8x8_q0;
-            scan= s->qscale ? h->field_scan : h->field_scan_q0;
-            dc_scan= luma_dc_field_scan;
-        }else{
-            scan8x8= s->qscale ? h->zigzag_scan8x8 : h->zigzag_scan8x8_q0;
-            scan= s->qscale ? h->zigzag_scan : h->zigzag_scan_q0;
-            dc_scan= luma_dc_zigzag_scan;
-        }
-
-        h->last_qscale_diff = dqp = decode_cabac_mb_dqp( h );
-        if( dqp == INT_MIN ){
-            av_log(h->s.avctx, AV_LOG_ERROR, "cabac decode of qscale diff failed at %d %d\n", s->mb_x, s->mb_y);
-            return -1;
-        }
-        s->qscale += dqp;
-        if(((unsigned)s->qscale) > 51){
-            if(s->qscale<0) s->qscale+= 52;
-            else            s->qscale-= 52;
-        }
-        h->chroma_qp = get_chroma_qp(h->pps.chroma_qp_index_offset, s->qscale);
-
-        if( IS_INTRA16x16( mb_type ) ) {
-            int i;
-            //av_log( s->avctx, AV_LOG_ERROR, "INTRA16x16 DC\n" );
-            if( decode_cabac_residual( h, h->mb, 0, 0, dc_scan, NULL, 16) < 0)
-                return -1;
-            if( cbp&15 ) {
-                for( i = 0; i < 16; i++ ) {
-                    //av_log( s->avctx, AV_LOG_ERROR, "INTRA16x16 AC:%d\n", i );
-                    if( decode_cabac_residual(h, h->mb + 16*i, 1, i, scan + 1, h->dequant4_coeff[0][s->qscale], 15) < 0 )
-                        return -1;
-                }
-            } else {
-                fill_rectangle(&h->non_zero_count_cache[scan8[0]], 4, 4, 8, 0, 1);
-            }
-        } else {
-            int i8x8, i4x4;
-            for( i8x8 = 0; i8x8 < 4; i8x8++ ) {
-                if( cbp & (1<<i8x8) ) {
-                    if( IS_8x8DCT(mb_type) ) {
-                        if( decode_cabac_residual(h, h->mb + 64*i8x8, 5, 4*i8x8,
-                            scan8x8, h->dequant8_coeff[IS_INTRA( mb_type ) ? 0:1][s->qscale], 64) < 0 )
-                            return -1;
-                    } else
-                    for( i4x4 = 0; i4x4 < 4; i4x4++ ) {
-                        const int index = 4*i8x8 + i4x4;
-                        //av_log( s->avctx, AV_LOG_ERROR, "Luma4x4: %d\n", index );
-//START_TIMER
-                        if( decode_cabac_residual(h, h->mb + 16*index, 2, index, scan, h->dequant4_coeff[IS_INTRA( mb_type ) ? 0:3][s->qscale], 16) < 0 )
-                            return -1;
-//STOP_TIMER("decode_residual")
-                    }
-                } else {
-                    uint8_t * const nnz= &h->non_zero_count_cache[ scan8[4*i8x8] ];
-                    nnz[0] = nnz[1] = nnz[8] = nnz[9] = 0;
-                }
-            }
-        }
-
-        if( cbp&0x30 ){
-            int c;
-            for( c = 0; c < 2; c++ ) {
-                //av_log( s->avctx, AV_LOG_ERROR, "INTRA C%d-DC\n",c );
-                if( decode_cabac_residual(h, h->mb + 256 + 16*4*c, 3, c, chroma_dc_scan, NULL, 4) < 0)
-                    return -1;
-            }
-        }
-
-        if( cbp&0x20 ) {
-            int c, i;
-            for( c = 0; c < 2; c++ ) {
-                for( i = 0; i < 4; i++ ) {
-                    const int index = 16 + 4 * c + i;
-                    //av_log( s->avctx, AV_LOG_ERROR, "INTRA C%d-AC %d\n",c, index - 16 );
-                    if( decode_cabac_residual(h, h->mb + 16*index, 4, index - 16, scan + 1, h->dequant4_coeff[c+1+(IS_INTRA( mb_type ) ? 0:3)][h->chroma_qp], 15) < 0)
-                        return -1;
-                }
-            }
-        } else {
-            uint8_t * const nnz= &h->non_zero_count_cache[0];
-            nnz[ scan8[16]+0 ] = nnz[ scan8[16]+1 ] =nnz[ scan8[16]+8 ] =nnz[ scan8[16]+9 ] =
-            nnz[ scan8[20]+0 ] = nnz[ scan8[20]+1 ] =nnz[ scan8[20]+8 ] =nnz[ scan8[20]+9 ] = 0;
-        }
-    } else {
-        uint8_t * const nnz= &h->non_zero_count_cache[0];
-        fill_rectangle(&nnz[scan8[0]], 4, 4, 8, 0, 1);
-        nnz[ scan8[16]+0 ] = nnz[ scan8[16]+1 ] =nnz[ scan8[16]+8 ] =nnz[ scan8[16]+9 ] =
-        nnz[ scan8[20]+0 ] = nnz[ scan8[20]+1 ] =nnz[ scan8[20]+8 ] =nnz[ scan8[20]+9 ] = 0;
-        h->last_qscale_diff = 0;
-    }
-
-    s->current_picture.qscale_table[mb_xy]= s->qscale;
-    write_back_non_zero_count(h);
-
-    if(MB_MBAFF){
-        h->ref_count[0] >>= 1;
-        h->ref_count[1] >>= 1;
-    }
-
-    return 0;
-}
-
-
-static void filter_mb_edgev( H264Context *h, uint8_t *pix, int stride, int16_t bS[4], int qp ) {
-    int i, d;
-    const int index_a = qp + h->slice_alpha_c0_offset;
-    const int alpha = (alpha_table+52)[index_a];
-    const int beta  = (beta_table+52)[qp + h->slice_beta_offset];
-
-    if( bS[0] < 4 ) {
-        int8_t tc[4];
-        for(i=0; i<4; i++)
-            tc[i] = bS[i] ? (tc0_table+52)[index_a][bS[i] - 1] : -1;
-        h->s.dsp.h264_h_loop_filter_luma(pix, stride, alpha, beta, tc);
-    } else {
-        /* 16px edge length, because bS=4 is triggered by being at
-         * the edge of an intra MB, so all 4 bS are the same */
-            for( d = 0; d < 16; d++ ) {
-                const int p0 = pix[-1];
-                const int p1 = pix[-2];
-                const int p2 = pix[-3];
-
-                const int q0 = pix[0];
-                const int q1 = pix[1];
-                const int q2 = pix[2];
-
-                if( FFABS( p0 - q0 ) < alpha &&
-                    FFABS( p1 - p0 ) < beta &&
-                    FFABS( q1 - q0 ) < beta ) {
-
-                    if(FFABS( p0 - q0 ) < (( alpha >> 2 ) + 2 )){
-                        if( FFABS( p2 - p0 ) < beta)
-                        {
-                            const int p3 = pix[-4];
-                            /* p0', p1', p2' */
-                            pix[-1] = ( p2 + 2*p1 + 2*p0 + 2*q0 + q1 + 4 ) >> 3;
-                            pix[-2] = ( p2 + p1 + p0 + q0 + 2 ) >> 2;
-                            pix[-3] = ( 2*p3 + 3*p2 + p1 + p0 + q0 + 4 ) >> 3;
-                        } else {
-                            /* p0' */
-                            pix[-1] = ( 2*p1 + p0 + q1 + 2 ) >> 2;
-                        }
-                        if( FFABS( q2 - q0 ) < beta)
-                        {
-                            const int q3 = pix[3];
-                            /* q0', q1', q2' */
-                            pix[0] = ( p1 + 2*p0 + 2*q0 + 2*q1 + q2 + 4 ) >> 3;
-                            pix[1] = ( p0 + q0 + q1 + q2 + 2 ) >> 2;
-                            pix[2] = ( 2*q3 + 3*q2 + q1 + q0 + p0 + 4 ) >> 3;
-                        } else {
-                            /* q0' */
-                            pix[0] = ( 2*q1 + q0 + p1 + 2 ) >> 2;
-                        }
-                    }else{
-                        /* p0', q0' */
-                        pix[-1] = ( 2*p1 + p0 + q1 + 2 ) >> 2;
-                        pix[ 0] = ( 2*q1 + q0 + p1 + 2 ) >> 2;
-                    }
-                    tprintf(h->s.avctx, "filter_mb_edgev i:%d d:%d\n# bS:4 -> [%02x, %02x, %02x, %02x, %02x, %02x] =>[%02x, %02x, %02x, %02x]\n", i, d, p2, p1, p0, q0, q1, q2, pix[-2], pix[-1], pix[0], pix[1]);
-                }
-                pix += stride;
-            }
-    }
-}
-static void filter_mb_edgecv( H264Context *h, uint8_t *pix, int stride, int16_t bS[4], int qp ) {
-    int i;
-    const int index_a = qp + h->slice_alpha_c0_offset;
-    const int alpha = (alpha_table+52)[index_a];
-    const int beta  = (beta_table+52)[qp + h->slice_beta_offset];
-
-    if( bS[0] < 4 ) {
-        int8_t tc[4];
-        for(i=0; i<4; i++)
-            tc[i] = bS[i] ? (tc0_table+52)[index_a][bS[i] - 1] + 1 : 0;
-        h->s.dsp.h264_h_loop_filter_chroma(pix, stride, alpha, beta, tc);
-    } else {
-        h->s.dsp.h264_h_loop_filter_chroma_intra(pix, stride, alpha, beta);
-    }
-}
-
-static void filter_mb_mbaff_edgev( H264Context *h, uint8_t *pix, int stride, int16_t bS[8], int qp[2] ) {
-    int i;
-    for( i = 0; i < 16; i++, pix += stride) {
-        int index_a;
-        int alpha;
-        int beta;
-
-        int qp_index;
-        int bS_index = (i >> 1);
-        if (!MB_FIELD) {
-            bS_index &= ~1;
-            bS_index |= (i & 1);
-        }
-
-        if( bS[bS_index] == 0 ) {
-            continue;
-        }
-
-        qp_index = MB_FIELD ? (i >> 3) : (i & 1);
-        index_a = qp[qp_index] + h->slice_alpha_c0_offset;
-        alpha = (alpha_table+52)[index_a];
-        beta  = (beta_table+52)[qp[qp_index] + h->slice_beta_offset];
-
-        if( bS[bS_index] < 4 ) {
-            const int tc0 = (tc0_table+52)[index_a][bS[bS_index] - 1];
-            const int p0 = pix[-1];
-            const int p1 = pix[-2];
-            const int p2 = pix[-3];
-            const int q0 = pix[0];
-            const int q1 = pix[1];
-            const int q2 = pix[2];
-
-            if( FFABS( p0 - q0 ) < alpha &&
-                FFABS( p1 - p0 ) < beta &&
-                FFABS( q1 - q0 ) < beta ) {
-                int tc = tc0;
-                int i_delta;
-
-                if( FFABS( p2 - p0 ) < beta ) {
-                    pix[-2] = p1 + av_clip( ( p2 + ( ( p0 + q0 + 1 ) >> 1 ) - ( p1 << 1 ) ) >> 1, -tc0, tc0 );
-                    tc++;
-                }
-                if( FFABS( q2 - q0 ) < beta ) {
-                    pix[1] = q1 + av_clip( ( q2 + ( ( p0 + q0 + 1 ) >> 1 ) - ( q1 << 1 ) ) >> 1, -tc0, tc0 );
-                    tc++;
-                }
-
-                i_delta = av_clip( (((q0 - p0 ) << 2) + (p1 - q1) + 4) >> 3, -tc, tc );
-                pix[-1] = av_clip_uint8( p0 + i_delta );    /* p0' */
-                pix[0]  = av_clip_uint8( q0 - i_delta );    /* q0' */
-                tprintf(h->s.avctx, "filter_mb_mbaff_edgev i:%d, qp:%d, indexA:%d, alpha:%d, beta:%d, tc:%d\n# bS:%d -> [%02x, %02x, %02x, %02x, %02x, %02x] =>[%02x, %02x, %02x, %02x]\n", i, qp[qp_index], index_a, alpha, beta, tc, bS[bS_index], pix[-3], p1, p0, q0, q1, pix[2], p1, pix[-1], pix[0], q1);
-            }
-        }else{
-            const int p0 = pix[-1];
-            const int p1 = pix[-2];
-            const int p2 = pix[-3];
-
-            const int q0 = pix[0];
-            const int q1 = pix[1];
-            const int q2 = pix[2];
-
-            if( FFABS( p0 - q0 ) < alpha &&
-                FFABS( p1 - p0 ) < beta &&
-                FFABS( q1 - q0 ) < beta ) {
-
-                if(FFABS( p0 - q0 ) < (( alpha >> 2 ) + 2 )){
-                    if( FFABS( p2 - p0 ) < beta)
-                    {
-                        const int p3 = pix[-4];
-                        /* p0', p1', p2' */
-                        pix[-1] = ( p2 + 2*p1 + 2*p0 + 2*q0 + q1 + 4 ) >> 3;
-                        pix[-2] = ( p2 + p1 + p0 + q0 + 2 ) >> 2;
-                        pix[-3] = ( 2*p3 + 3*p2 + p1 + p0 + q0 + 4 ) >> 3;
-                    } else {
-                        /* p0' */
-                        pix[-1] = ( 2*p1 + p0 + q1 + 2 ) >> 2;
-                    }
-                    if( FFABS( q2 - q0 ) < beta)
-                    {
-                        const int q3 = pix[3];
-                        /* q0', q1', q2' */
-                        pix[0] = ( p1 + 2*p0 + 2*q0 + 2*q1 + q2 + 4 ) >> 3;
-                        pix[1] = ( p0 + q0 + q1 + q2 + 2 ) >> 2;
-                        pix[2] = ( 2*q3 + 3*q2 + q1 + q0 + p0 + 4 ) >> 3;
-                    } else {
-                        /* q0' */
-                        pix[0] = ( 2*q1 + q0 + p1 + 2 ) >> 2;
-                    }
-                }else{
-                    /* p0', q0' */
-                    pix[-1] = ( 2*p1 + p0 + q1 + 2 ) >> 2;
-                    pix[ 0] = ( 2*q1 + q0 + p1 + 2 ) >> 2;
-                }
-                tprintf(h->s.avctx, "filter_mb_mbaff_edgev i:%d, qp:%d, indexA:%d, alpha:%d, beta:%d\n# bS:4 -> [%02x, %02x, %02x, %02x, %02x, %02x] =>[%02x, %02x, %02x, %02x, %02x, %02x]\n", i, qp[qp_index], index_a, alpha, beta, p2, p1, p0, q0, q1, q2, pix[-3], pix[-2], pix[-1], pix[0], pix[1], pix[2]);
-            }
-        }
-    }
-}
-static void filter_mb_mbaff_edgecv( H264Context *h, uint8_t *pix, int stride, int16_t bS[8], int qp[2] ) {
-    int i;
-    for( i = 0; i < 8; i++, pix += stride) {
-        int index_a;
-        int alpha;
-        int beta;
-
-        int qp_index;
-        int bS_index = i;
-
-        if( bS[bS_index] == 0 ) {
-            continue;
-        }
-
-        qp_index = MB_FIELD ? (i >> 2) : (i & 1);
-        index_a = qp[qp_index] + h->slice_alpha_c0_offset;
-        alpha = (alpha_table+52)[index_a];
-        beta  = (beta_table+52)[qp[qp_index] + h->slice_beta_offset];
-
-        if( bS[bS_index] < 4 ) {
-            const int tc = (tc0_table+52)[index_a][bS[bS_index] - 1] + 1;
-            const int p0 = pix[-1];
-            const int p1 = pix[-2];
-            const int q0 = pix[0];
-            const int q1 = pix[1];
-
-            if( FFABS( p0 - q0 ) < alpha &&
-                FFABS( p1 - p0 ) < beta &&
-                FFABS( q1 - q0 ) < beta ) {
-                const int i_delta = av_clip( (((q0 - p0 ) << 2) + (p1 - q1) + 4) >> 3, -tc, tc );
-
-                pix[-1] = av_clip_uint8( p0 + i_delta );    /* p0' */
-                pix[0]  = av_clip_uint8( q0 - i_delta );    /* q0' */
-                tprintf(h->s.avctx, "filter_mb_mbaff_edgecv i:%d, qp:%d, indexA:%d, alpha:%d, beta:%d, tc:%d\n# bS:%d -> [%02x, %02x, %02x, %02x, %02x, %02x] =>[%02x, %02x, %02x, %02x]\n", i, qp[qp_index], index_a, alpha, beta, tc, bS[bS_index], pix[-3], p1, p0, q0, q1, pix[2], p1, pix[-1], pix[0], q1);
-            }
-        }else{
-            const int p0 = pix[-1];
-            const int p1 = pix[-2];
-            const int q0 = pix[0];
-            const int q1 = pix[1];
-
-            if( FFABS( p0 - q0 ) < alpha &&
-                FFABS( p1 - p0 ) < beta &&
-                FFABS( q1 - q0 ) < beta ) {
-
-                pix[-1] = ( 2*p1 + p0 + q1 + 2 ) >> 2;   /* p0' */
-                pix[0]  = ( 2*q1 + q0 + p1 + 2 ) >> 2;   /* q0' */
-                tprintf(h->s.avctx, "filter_mb_mbaff_edgecv i:%d\n# bS:4 -> [%02x, %02x, %02x, %02x, %02x, %02x] =>[%02x, %02x, %02x, %02x, %02x, %02x]\n", i, pix[-3], p1, p0, q0, q1, pix[2], pix[-3], pix[-2], pix[-1], pix[0], pix[1], pix[2]);
-            }
-        }
-    }
-}
-
-static void filter_mb_edgeh( H264Context *h, uint8_t *pix, int stride, int16_t bS[4], int qp ) {
-    int i, d;
-    const int index_a = qp + h->slice_alpha_c0_offset;
-    const int alpha = (alpha_table+52)[index_a];
-    const int beta  = (beta_table+52)[qp + h->slice_beta_offset];
-    const int pix_next  = stride;
-
-    if( bS[0] < 4 ) {
-        int8_t tc[4];
-        for(i=0; i<4; i++)
-            tc[i] = bS[i] ? (tc0_table+52)[index_a][bS[i] - 1] : -1;
-        h->s.dsp.h264_v_loop_filter_luma(pix, stride, alpha, beta, tc);
-    } else {
-        /* 16px edge length, see filter_mb_edgev */
-            for( d = 0; d < 16; d++ ) {
-                const int p0 = pix[-1*pix_next];
-                const int p1 = pix[-2*pix_next];
-                const int p2 = pix[-3*pix_next];
-                const int q0 = pix[0];
-                const int q1 = pix[1*pix_next];
-                const int q2 = pix[2*pix_next];
-
-                if( FFABS( p0 - q0 ) < alpha &&
-                    FFABS( p1 - p0 ) < beta &&
-                    FFABS( q1 - q0 ) < beta ) {
-
-                    const int p3 = pix[-4*pix_next];
-                    const int q3 = pix[ 3*pix_next];
-
-                    if(FFABS( p0 - q0 ) < (( alpha >> 2 ) + 2 )){
-                        if( FFABS( p2 - p0 ) < beta) {
-                            /* p0', p1', p2' */
-                            pix[-1*pix_next] = ( p2 + 2*p1 + 2*p0 + 2*q0 + q1 + 4 ) >> 3;
-                            pix[-2*pix_next] = ( p2 + p1 + p0 + q0 + 2 ) >> 2;
-                            pix[-3*pix_next] = ( 2*p3 + 3*p2 + p1 + p0 + q0 + 4 ) >> 3;
-                        } else {
-                            /* p0' */
-                            pix[-1*pix_next] = ( 2*p1 + p0 + q1 + 2 ) >> 2;
-                        }
-                        if( FFABS( q2 - q0 ) < beta) {
-                            /* q0', q1', q2' */
-                            pix[0*pix_next] = ( p1 + 2*p0 + 2*q0 + 2*q1 + q2 + 4 ) >> 3;
-                            pix[1*pix_next] = ( p0 + q0 + q1 + q2 + 2 ) >> 2;
-                            pix[2*pix_next] = ( 2*q3 + 3*q2 + q1 + q0 + p0 + 4 ) >> 3;
-                        } else {
-                            /* q0' */
-                            pix[0*pix_next] = ( 2*q1 + q0 + p1 + 2 ) >> 2;
-                        }
-                    }else{
-                        /* p0', q0' */
-                        pix[-1*pix_next] = ( 2*p1 + p0 + q1 + 2 ) >> 2;
-                        pix[ 0*pix_next] = ( 2*q1 + q0 + p1 + 2 ) >> 2;
-                    }
-                    tprintf(h->s.avctx, "filter_mb_edgeh i:%d d:%d, qp:%d, indexA:%d, alpha:%d, beta:%d\n# bS:%d -> [%02x, %02x, %02x, %02x, %02x, %02x] =>[%02x, %02x, %02x, %02x]\n", i, d, qp, index_a, alpha, beta, bS[i], p2, p1, p0, q0, q1, q2, pix[-2*pix_next], pix[-pix_next], pix[0], pix[pix_next]);
-                }
-                pix++;
-            }
-    }
-}
-
-static void filter_mb_edgech( H264Context *h, uint8_t *pix, int stride, int16_t bS[4], int qp ) {
-    int i;
-    const int index_a = qp + h->slice_alpha_c0_offset;
-    const int alpha = (alpha_table+52)[index_a];
-    const int beta  = (beta_table+52)[qp + h->slice_beta_offset];
-
-    if( bS[0] < 4 ) {
-        int8_t tc[4];
-        for(i=0; i<4; i++)
-            tc[i] = bS[i] ? (tc0_table+52)[index_a][bS[i] - 1] + 1 : 0;
-        h->s.dsp.h264_v_loop_filter_chroma(pix, stride, alpha, beta, tc);
-    } else {
-        h->s.dsp.h264_v_loop_filter_chroma_intra(pix, stride, alpha, beta);
-    }
-}
-
-static void filter_mb_fast( H264Context *h, int mb_x, int mb_y, uint8_t *img_y, uint8_t *img_cb, uint8_t *img_cr, unsigned int linesize, unsigned int uvlinesize) {
-    MpegEncContext * const s = &h->s;
-    int mb_xy, mb_type;
-    int qp, qp0, qp1, qpc, qpc0, qpc1, qp_thresh;
-
-    if(mb_x==0 || mb_y==0 || !s->dsp.h264_loop_filter_strength) {
-        filter_mb(h, mb_x, mb_y, img_y, img_cb, img_cr, linesize, uvlinesize);
-        return;
-    }
-    assert(!FRAME_MBAFF);
-
-    mb_xy = mb_x + mb_y*s->mb_stride;
-    mb_type = s->current_picture.mb_type[mb_xy];
-    qp = s->current_picture.qscale_table[mb_xy];
-    qp0 = s->current_picture.qscale_table[mb_xy-1];
-    qp1 = s->current_picture.qscale_table[h->top_mb_xy];
-    qpc = get_chroma_qp( h->pps.chroma_qp_index_offset, qp );
-    qpc0 = get_chroma_qp( h->pps.chroma_qp_index_offset, qp0 );
-    qpc1 = get_chroma_qp( h->pps.chroma_qp_index_offset, qp1 );
-    qp0 = (qp + qp0 + 1) >> 1;
-    qp1 = (qp + qp1 + 1) >> 1;
-    qpc0 = (qpc + qpc0 + 1) >> 1;
-    qpc1 = (qpc + qpc1 + 1) >> 1;
-    qp_thresh = 15 - h->slice_alpha_c0_offset;
-    if(qp <= qp_thresh && qp0 <= qp_thresh && qp1 <= qp_thresh &&
-       qpc <= qp_thresh && qpc0 <= qp_thresh && qpc1 <= qp_thresh)
-        return;
-
-    if( IS_INTRA(mb_type) ) {
-        int16_t bS4[4] = {4,4,4,4};
-        int16_t bS3[4] = {3,3,3,3};
-        if( IS_8x8DCT(mb_type) ) {
-            filter_mb_edgev( h, &img_y[4*0], linesize, bS4, qp0 );
-            filter_mb_edgev( h, &img_y[4*2], linesize, bS3, qp );
-            filter_mb_edgeh( h, &img_y[4*0*linesize], linesize, bS4, qp1 );
-            filter_mb_edgeh( h, &img_y[4*2*linesize], linesize, bS3, qp );
-        } else {
-            filter_mb_edgev( h, &img_y[4*0], linesize, bS4, qp0 );
-            filter_mb_edgev( h, &img_y[4*1], linesize, bS3, qp );
-            filter_mb_edgev( h, &img_y[4*2], linesize, bS3, qp );
-            filter_mb_edgev( h, &img_y[4*3], linesize, bS3, qp );
-            filter_mb_edgeh( h, &img_y[4*0*linesize], linesize, bS4, qp1 );
-            filter_mb_edgeh( h, &img_y[4*1*linesize], linesize, bS3, qp );
-            filter_mb_edgeh( h, &img_y[4*2*linesize], linesize, bS3, qp );
-            filter_mb_edgeh( h, &img_y[4*3*linesize], linesize, bS3, qp );
-        }
-        filter_mb_edgecv( h, &img_cb[2*0], uvlinesize, bS4, qpc0 );
-        filter_mb_edgecv( h, &img_cb[2*2], uvlinesize, bS3, qpc );
-        filter_mb_edgecv( h, &img_cr[2*0], uvlinesize, bS4, qpc0 );
-        filter_mb_edgecv( h, &img_cr[2*2], uvlinesize, bS3, qpc );
-        filter_mb_edgech( h, &img_cb[2*0*uvlinesize], uvlinesize, bS4, qpc1 );
-        filter_mb_edgech( h, &img_cb[2*2*uvlinesize], uvlinesize, bS3, qpc );
-        filter_mb_edgech( h, &img_cr[2*0*uvlinesize], uvlinesize, bS4, qpc1 );
-        filter_mb_edgech( h, &img_cr[2*2*uvlinesize], uvlinesize, bS3, qpc );
-        return;
-    } else {
-        DECLARE_ALIGNED_8(int16_t, bS[2][4][4]);
-        uint64_t (*bSv)[4] = (uint64_t(*)[4])bS;
-        int edges;
-        if( IS_8x8DCT(mb_type) && (h->cbp&7) == 7 ) {
-            edges = 4;
-            bSv[0][0] = bSv[0][2] = bSv[1][0] = bSv[1][2] = 0x0002000200020002ULL;
-        } else {
-            int mask_edge1 = (mb_type & (MB_TYPE_16x16 | MB_TYPE_8x16)) ? 3 :
-                             (mb_type & MB_TYPE_16x8) ? 1 : 0;
-            int mask_edge0 = (mb_type & (MB_TYPE_16x16 | MB_TYPE_8x16))
-                             && (s->current_picture.mb_type[mb_xy-1] & (MB_TYPE_16x16 | MB_TYPE_8x16))
-                             ? 3 : 0;
-            int step = IS_8x8DCT(mb_type) ? 2 : 1;
-            edges = (mb_type & MB_TYPE_16x16) && !(h->cbp & 15) ? 1 : 4;
-            s->dsp.h264_loop_filter_strength( bS, h->non_zero_count_cache, h->ref_cache, h->mv_cache,
-                                              (h->slice_type == B_TYPE), edges, step, mask_edge0, mask_edge1 );
-        }
-        if( IS_INTRA(s->current_picture.mb_type[mb_xy-1]) )
-            bSv[0][0] = 0x0004000400040004ULL;
-        if( IS_INTRA(s->current_picture.mb_type[h->top_mb_xy]) )
-            bSv[1][0] = 0x0004000400040004ULL;
-
-#define FILTER(hv,dir,edge)\
-        if(bSv[dir][edge]) {\
-            filter_mb_edge##hv( h, &img_y[4*edge*(dir?linesize:1)], linesize, bS[dir][edge], edge ? qp : qp##dir );\
-            if(!(edge&1)) {\
-                filter_mb_edgec##hv( h, &img_cb[2*edge*(dir?uvlinesize:1)], uvlinesize, bS[dir][edge], edge ? qpc : qpc##dir );\
-                filter_mb_edgec##hv( h, &img_cr[2*edge*(dir?uvlinesize:1)], uvlinesize, bS[dir][edge], edge ? qpc : qpc##dir );\
-            }\
-        }
-        if( edges == 1 ) {
-            FILTER(v,0,0);
-            FILTER(h,1,0);
-        } else if( IS_8x8DCT(mb_type) ) {
-            FILTER(v,0,0);
-            FILTER(v,0,2);
-            FILTER(h,1,0);
-            FILTER(h,1,2);
-        } else {
-            FILTER(v,0,0);
-            FILTER(v,0,1);
-            FILTER(v,0,2);
-            FILTER(v,0,3);
-            FILTER(h,1,0);
-            FILTER(h,1,1);
-            FILTER(h,1,2);
-            FILTER(h,1,3);
-        }
-#undef FILTER
-    }
-}
-
-static void filter_mb( H264Context *h, int mb_x, int mb_y, uint8_t *img_y, uint8_t *img_cb, uint8_t *img_cr, unsigned int linesize, unsigned int uvlinesize) {
-    MpegEncContext * const s = &h->s;
-    const int mb_xy= mb_x + mb_y*s->mb_stride;
-    const int mb_type = s->current_picture.mb_type[mb_xy];
-    const int mvy_limit = IS_INTERLACED(mb_type) ? 2 : 4;
-    int first_vertical_edge_done = 0;
-    int dir;
-    /* FIXME: A given frame may occupy more than one position in
-     * the reference list. So ref2frm should be populated with
-     * frame numbers, not indices. */
-    static const int ref2frm[34] = {-1,-1,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
-                                    16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31};
-
-    //for sufficiently low qp, filtering wouldn't do anything
-    //this is a conservative estimate: could also check beta_offset and more accurate chroma_qp
-    if(!FRAME_MBAFF){
-        int qp_thresh = 15 - h->slice_alpha_c0_offset - FFMAX(0, h->pps.chroma_qp_index_offset);
-        int qp = s->current_picture.qscale_table[mb_xy];
-        if(qp <= qp_thresh
-           && (mb_x == 0 || ((qp + s->current_picture.qscale_table[mb_xy-1] + 1)>>1) <= qp_thresh)
-           && (mb_y == 0 || ((qp + s->current_picture.qscale_table[h->top_mb_xy] + 1)>>1) <= qp_thresh)){
-            return;
-        }
-    }
-
-    if (FRAME_MBAFF
-            // left mb is in picture
-            && h->slice_table[mb_xy-1] != 255
-            // and current and left pair do not have the same interlaced type
-            && (IS_INTERLACED(mb_type) != IS_INTERLACED(s->current_picture.mb_type[mb_xy-1]))
-            // and left mb is in the same slice if deblocking_filter == 2
-            && (h->deblocking_filter!=2 || h->slice_table[mb_xy-1] == h->slice_table[mb_xy])) {
-        /* First vertical edge is different in MBAFF frames
-         * There are 8 different bS to compute and 2 different Qp
-         */
-        const int pair_xy = mb_x + (mb_y&~1)*s->mb_stride;
-        const int left_mb_xy[2] = { pair_xy-1, pair_xy-1+s->mb_stride };
-        int16_t bS[8];
-        int qp[2];
-        int chroma_qp[2];
-        int mb_qp, mbn0_qp, mbn1_qp;
-        int i;
-        first_vertical_edge_done = 1;
-
-        if( IS_INTRA(mb_type) )
-            bS[0] = bS[1] = bS[2] = bS[3] = bS[4] = bS[5] = bS[6] = bS[7] = 4;
-        else {
-            for( i = 0; i < 8; i++ ) {
-                int mbn_xy = MB_FIELD ? left_mb_xy[i>>2] : left_mb_xy[i&1];
-
-                if( IS_INTRA( s->current_picture.mb_type[mbn_xy] ) )
-                    bS[i] = 4;
-                else if( h->non_zero_count_cache[12+8*(i>>1)] != 0 ||
-                         /* FIXME: with 8x8dct + cavlc, should check cbp instead of nnz */
-                         h->non_zero_count[mbn_xy][MB_FIELD ? i&3 : (i>>2)+(mb_y&1)*2] )
-                    bS[i] = 2;
-                else
-                    bS[i] = 1;
-            }
-        }
-
-        mb_qp = s->current_picture.qscale_table[mb_xy];
-        mbn0_qp = s->current_picture.qscale_table[left_mb_xy[0]];
-        mbn1_qp = s->current_picture.qscale_table[left_mb_xy[1]];
-        qp[0] = ( mb_qp + mbn0_qp + 1 ) >> 1;
-        chroma_qp[0] = ( get_chroma_qp( h->pps.chroma_qp_index_offset, mb_qp ) +
-                         get_chroma_qp( h->pps.chroma_qp_index_offset, mbn0_qp ) + 1 ) >> 1;
-        qp[1] = ( mb_qp + mbn1_qp + 1 ) >> 1;
-        chroma_qp[1] = ( get_chroma_qp( h->pps.chroma_qp_index_offset, mb_qp ) +
-                         get_chroma_qp( h->pps.chroma_qp_index_offset, mbn1_qp ) + 1 ) >> 1;
-
-        /* Filter edge */
-        tprintf(s->avctx, "filter mb:%d/%d MBAFF, QPy:%d/%d, QPc:%d/%d ls:%d uvls:%d", mb_x, mb_y, qp[0], qp[1], chroma_qp[0], chroma_qp[1], linesize, uvlinesize);
-        { int i; for (i = 0; i < 8; i++) tprintf(s->avctx, " bS[%d]:%d", i, bS[i]); tprintf(s->avctx, "\n"); }
-        filter_mb_mbaff_edgev ( h, &img_y [0], linesize,   bS, qp );
-        filter_mb_mbaff_edgecv( h, &img_cb[0], uvlinesize, bS, chroma_qp );
-        filter_mb_mbaff_edgecv( h, &img_cr[0], uvlinesize, bS, chroma_qp );
-    }
-    /* dir : 0 -> vertical edge, 1 -> horizontal edge */
-    for( dir = 0; dir < 2; dir++ )
-    {
-        int edge;
-        const int mbm_xy = dir == 0 ? mb_xy -1 : h->top_mb_xy;
-        const int mbm_type = s->current_picture.mb_type[mbm_xy];
-        int start = h->slice_table[mbm_xy] == 255 ? 1 : 0;
-
-        const int edges = (mb_type & (MB_TYPE_16x16|MB_TYPE_SKIP))
-                                  == (MB_TYPE_16x16|MB_TYPE_SKIP) ? 1 : 4;
-        // how often to recheck mv-based bS when iterating between edges
-        const int mask_edge = (mb_type & (MB_TYPE_16x16 | (MB_TYPE_16x8 << dir))) ? 3 :
-                              (mb_type & (MB_TYPE_8x16 >> dir)) ? 1 : 0;
-        // how often to recheck mv-based bS when iterating along each edge
-        const int mask_par0 = mb_type & (MB_TYPE_16x16 | (MB_TYPE_8x16 >> dir));
-
-        if (first_vertical_edge_done) {
-            start = 1;
-            first_vertical_edge_done = 0;
-        }
-
-        if (h->deblocking_filter==2 && h->slice_table[mbm_xy] != h->slice_table[mb_xy])
-            start = 1;
-
-        if (FRAME_MBAFF && (dir == 1) && ((mb_y&1) == 0) && start == 0
-            && !IS_INTERLACED(mb_type)
-            && IS_INTERLACED(mbm_type)
-            ) {
-            // This is a special case in the norm where the filtering must
-            // be done twice (one each of the field) even if we are in a
-            // frame macroblock.
-            //
-            static const int nnz_idx[4] = {4,5,6,3};
-            unsigned int tmp_linesize   = 2 *   linesize;
-            unsigned int tmp_uvlinesize = 2 * uvlinesize;
-            int mbn_xy = mb_xy - 2 * s->mb_stride;
-            int qp, chroma_qp;
-            int i, j;
-            int16_t bS[4];
-
-            for(j=0; j<2; j++, mbn_xy += s->mb_stride){
-                if( IS_INTRA(mb_type) ||
-                    IS_INTRA(s->current_picture.mb_type[mbn_xy]) ) {
-                    bS[0] = bS[1] = bS[2] = bS[3] = 3;
-                } else {
-                    const uint8_t *mbn_nnz = h->non_zero_count[mbn_xy];
-                    for( i = 0; i < 4; i++ ) {
-                        if( h->non_zero_count_cache[scan8[0]+i] != 0 ||
-                            mbn_nnz[nnz_idx[i]] != 0 )
-                            bS[i] = 2;
-                        else
-                            bS[i] = 1;
-                    }
-                }
-                // Do not use s->qscale as luma quantizer because it has not the same
-                // value in IPCM macroblocks.
-                qp = ( s->current_picture.qscale_table[mb_xy] + s->current_picture.qscale_table[mbn_xy] + 1 ) >> 1;
-                tprintf(s->avctx, "filter mb:%d/%d dir:%d edge:%d, QPy:%d ls:%d uvls:%d", mb_x, mb_y, dir, edge, qp, tmp_linesize, tmp_uvlinesize);
-                { int i; for (i = 0; i < 4; i++) tprintf(s->avctx, " bS[%d]:%d", i, bS[i]); tprintf(s->avctx, "\n"); }
-                filter_mb_edgeh( h, &img_y[j*linesize], tmp_linesize, bS, qp );
-                chroma_qp = ( h->chroma_qp +
-                              get_chroma_qp( h->pps.chroma_qp_index_offset, s->current_picture.qscale_table[mbn_xy] ) + 1 ) >> 1;
-                filter_mb_edgech( h, &img_cb[j*uvlinesize], tmp_uvlinesize, bS, chroma_qp );
-                filter_mb_edgech( h, &img_cr[j*uvlinesize], tmp_uvlinesize, bS, chroma_qp );
-            }
-
-            start = 1;
-        }
-
-        /* Calculate bS */
-        for( edge = start; edge < edges; edge++ ) {
-            /* mbn_xy: neighbor macroblock */
-            const int mbn_xy = edge > 0 ? mb_xy : mbm_xy;
-            const int mbn_type = s->current_picture.mb_type[mbn_xy];
-            int16_t bS[4];
-            int qp;
-
-            if( (edge&1) && IS_8x8DCT(mb_type) )
-                continue;
-
-            if( IS_INTRA(mb_type) ||
-                IS_INTRA(mbn_type) ) {
-                int value;
-                if (edge == 0) {
-                    if (   (!IS_INTERLACED(mb_type) && !IS_INTERLACED(mbm_type))
-                        || ((FRAME_MBAFF || (s->picture_structure != PICT_FRAME)) && (dir == 0))
-                    ) {
-                        value = 4;
-                    } else {
-                        value = 3;
-                    }
-                } else {
-                    value = 3;
-                }
-                bS[0] = bS[1] = bS[2] = bS[3] = value;
-            } else {
-                int i, l;
-                int mv_done;
-
-                if( edge & mask_edge ) {
-                    bS[0] = bS[1] = bS[2] = bS[3] = 0;
-                    mv_done = 1;
-                }
-                else if( FRAME_MBAFF && IS_INTERLACED(mb_type ^ mbn_type)) {
-                    bS[0] = bS[1] = bS[2] = bS[3] = 1;
-                    mv_done = 1;
-                }
-                else if( mask_par0 && (edge || (mbn_type & (MB_TYPE_16x16 | (MB_TYPE_8x16 >> dir)))) ) {
-                    int b_idx= 8 + 4 + edge * (dir ? 8:1);
-                    int bn_idx= b_idx - (dir ? 8:1);
-                    int v = 0;
-                    for( l = 0; !v && l < 1 + (h->slice_type == B_TYPE); l++ ) {
-                        v |= ref2frm[h->ref_cache[l][b_idx]+2] != ref2frm[h->ref_cache[l][bn_idx]+2] ||
-                             FFABS( h->mv_cache[l][b_idx][0] - h->mv_cache[l][bn_idx][0] ) >= 4 ||
-                             FFABS( h->mv_cache[l][b_idx][1] - h->mv_cache[l][bn_idx][1] ) >= mvy_limit;
-                    }
-                    bS[0] = bS[1] = bS[2] = bS[3] = v;
-                    mv_done = 1;
-                }
-                else
-                    mv_done = 0;
-
-                for( i = 0; i < 4; i++ ) {
-                    int x = dir == 0 ? edge : i;
-                    int y = dir == 0 ? i    : edge;
-                    int b_idx= 8 + 4 + x + 8*y;
-                    int bn_idx= b_idx - (dir ? 8:1);
-
-                    if( h->non_zero_count_cache[b_idx] != 0 ||
-                        h->non_zero_count_cache[bn_idx] != 0 ) {
-                        bS[i] = 2;
-                    }
-                    else if(!mv_done)
-                    {
-                        bS[i] = 0;
-                        for( l = 0; l < 1 + (h->slice_type == B_TYPE); l++ ) {
-                            if( ref2frm[h->ref_cache[l][b_idx]+2] != ref2frm[h->ref_cache[l][bn_idx]+2] ||
-                                FFABS( h->mv_cache[l][b_idx][0] - h->mv_cache[l][bn_idx][0] ) >= 4 ||
-                                FFABS( h->mv_cache[l][b_idx][1] - h->mv_cache[l][bn_idx][1] ) >= mvy_limit ) {
-                                bS[i] = 1;
-                                break;
-                            }
-                        }
-                    }
-                }
-
-                if(bS[0]+bS[1]+bS[2]+bS[3] == 0)
-                    continue;
-            }
-
-            /* Filter edge */
-            // Do not use s->qscale as luma quantizer because it has not the same
-            // value in IPCM macroblocks.
-            qp = ( s->current_picture.qscale_table[mb_xy] + s->current_picture.qscale_table[mbn_xy] + 1 ) >> 1;
-            //tprintf(s->avctx, "filter mb:%d/%d dir:%d edge:%d, QPy:%d, QPc:%d, QPcn:%d\n", mb_x, mb_y, dir, edge, qp, h->chroma_qp, s->current_picture.qscale_table[mbn_xy]);
-            tprintf(s->avctx, "filter mb:%d/%d dir:%d edge:%d, QPy:%d ls:%d uvls:%d", mb_x, mb_y, dir, edge, qp, linesize, uvlinesize);
-            { int i; for (i = 0; i < 4; i++) tprintf(s->avctx, " bS[%d]:%d", i, bS[i]); tprintf(s->avctx, "\n"); }
-            if( dir == 0 ) {
-                filter_mb_edgev( h, &img_y[4*edge], linesize, bS, qp );
-                if( (edge&1) == 0 ) {
-                    int chroma_qp = ( h->chroma_qp +
-                                      get_chroma_qp( h->pps.chroma_qp_index_offset, s->current_picture.qscale_table[mbn_xy] ) + 1 ) >> 1;
-                    filter_mb_edgecv( h, &img_cb[2*edge], uvlinesize, bS, chroma_qp );
-                    filter_mb_edgecv( h, &img_cr[2*edge], uvlinesize, bS, chroma_qp );
-                }
-            } else {
-                filter_mb_edgeh( h, &img_y[4*edge*linesize], linesize, bS, qp );
-                if( (edge&1) == 0 ) {
-                    int chroma_qp = ( h->chroma_qp +
-                                      get_chroma_qp( h->pps.chroma_qp_index_offset, s->current_picture.qscale_table[mbn_xy] ) + 1 ) >> 1;
-                    filter_mb_edgech( h, &img_cb[2*edge*uvlinesize], uvlinesize, bS, chroma_qp );
-                    filter_mb_edgech( h, &img_cr[2*edge*uvlinesize], uvlinesize, bS, chroma_qp );
-                }
-            }
-        }
-    }
-}
-
-static int decode_slice(H264Context *h){
-    MpegEncContext * const s = &h->s;
-    const int part_mask= s->partitioned_frame ? (AC_END|AC_ERROR) : 0x7F;
-
-    s->mb_skip_run= -1;
-
-    if( h->pps.cabac ) {
-        int i;
-
-        /* realign */
-        align_get_bits( &s->gb );
-
-        /* init cabac */
-        ff_init_cabac_states( &h->cabac);
-        ff_init_cabac_decoder( &h->cabac,
-                               s->gb.buffer + get_bits_count(&s->gb)/8,
-                               ( s->gb.size_in_bits - get_bits_count(&s->gb) + 7)/8);
-        /* calculate pre-state */
-        for( i= 0; i < 460; i++ ) {
-            int pre;
-            if( h->slice_type == I_TYPE )
-                pre = av_clip( ((cabac_context_init_I[i][0] * s->qscale) >>4 ) + cabac_context_init_I[i][1], 1, 126 );
-            else
-                pre = av_clip( ((cabac_context_init_PB[h->cabac_init_idc][i][0] * s->qscale) >>4 ) + cabac_context_init_PB[h->cabac_init_idc][i][1], 1, 126 );
-
-            if( pre <= 63 )
-                h->cabac_state[i] = 2 * ( 63 - pre ) + 0;
-            else
-                h->cabac_state[i] = 2 * ( pre - 64 ) + 1;
-        }
-
-        for(;;){
-//START_TIMER
-            int ret = decode_mb_cabac(h);
-            int eos;
-//STOP_TIMER("decode_mb_cabac")
-
-            if(ret>=0) hl_decode_mb(h);
-
-            if( ret >= 0 && FRAME_MBAFF ) { //FIXME optimal? or let mb_decode decode 16x32 ?
-                s->mb_y++;
-
-                if(ret>=0) ret = decode_mb_cabac(h);
-
-                if(ret>=0) hl_decode_mb(h);
-                s->mb_y--;
-            }
-            eos = get_cabac_terminate( &h->cabac );
-
-            if( ret < 0 || h->cabac.bytestream > h->cabac.bytestream_end + 2) {
-                av_log(h->s.avctx, AV_LOG_ERROR, "error while decoding MB %d %d, bytestream (%d)\n", s->mb_x, s->mb_y, h->cabac.bytestream_end - h->cabac.bytestream);
-                ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y, (AC_ERROR|DC_ERROR|MV_ERROR)&part_mask);
-                return -1;
-            }
-
-            if( ++s->mb_x >= s->mb_width ) {
-                s->mb_x = 0;
-                ff_draw_horiz_band(s, 16*s->mb_y, 16);
-                ++s->mb_y;
-                if(FRAME_MBAFF) {
-                    ++s->mb_y;
-                }
-            }
-
-            if( eos || s->mb_y >= s->mb_height ) {
-                tprintf(s->avctx, "slice end %d %d\n", get_bits_count(&s->gb), s->gb.size_in_bits);
-                ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x-1, s->mb_y, (AC_END|DC_END|MV_END)&part_mask);
-                return 0;
-            }
-        }
-
-    } else {
-        for(;;){
-            int ret = decode_mb_cavlc(h);
-
-            if(ret>=0) hl_decode_mb(h);
-
-            if(ret>=0 && FRAME_MBAFF){ //FIXME optimal? or let mb_decode decode 16x32 ?
-                s->mb_y++;
-                ret = decode_mb_cavlc(h);
-
-                if(ret>=0) hl_decode_mb(h);
-                s->mb_y--;
-            }
-
-            if(ret<0){
-                av_log(h->s.avctx, AV_LOG_ERROR, "error while decoding MB %d %d\n", s->mb_x, s->mb_y);
-                ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y, (AC_ERROR|DC_ERROR|MV_ERROR)&part_mask);
-
-                return -1;
-            }
-
-            if(++s->mb_x >= s->mb_width){
-                s->mb_x=0;
-                ff_draw_horiz_band(s, 16*s->mb_y, 16);
-                ++s->mb_y;
-                if(FRAME_MBAFF) {
-                    ++s->mb_y;
-                }
-                if(s->mb_y >= s->mb_height){
-                    tprintf(s->avctx, "slice end %d %d\n", get_bits_count(&s->gb), s->gb.size_in_bits);
-
-                    if(get_bits_count(&s->gb) == s->gb.size_in_bits ) {
-                        ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x-1, s->mb_y, (AC_END|DC_END|MV_END)&part_mask);
-
-                        return 0;
-                    }else{
-                        ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y, (AC_END|DC_END|MV_END)&part_mask);
-
-                        return -1;
-                    }
-                }
-            }
-
-            if(get_bits_count(&s->gb) >= s->gb.size_in_bits && s->mb_skip_run<=0){
-                tprintf(s->avctx, "slice end %d %d\n", get_bits_count(&s->gb), s->gb.size_in_bits);
-                if(get_bits_count(&s->gb) == s->gb.size_in_bits ){
-                    ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x-1, s->mb_y, (AC_END|DC_END|MV_END)&part_mask);
-
-                    return 0;
-                }else{
-                    ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y, (AC_ERROR|DC_ERROR|MV_ERROR)&part_mask);
-
-                    return -1;
-                }
-            }
-        }
-    }
-
-#if 0
-    for(;s->mb_y < s->mb_height; s->mb_y++){
-        for(;s->mb_x < s->mb_width; s->mb_x++){
-            int ret= decode_mb(h);
-
-            hl_decode_mb(h);
-
-            if(ret<0){
-                av_log(s->avctx, AV_LOG_ERROR, "error while decoding MB %d %d\n", s->mb_x, s->mb_y);
-                ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y, (AC_ERROR|DC_ERROR|MV_ERROR)&part_mask);
-
-                return -1;
-            }
-
-            if(++s->mb_x >= s->mb_width){
-                s->mb_x=0;
-                if(++s->mb_y >= s->mb_height){
-                    if(get_bits_count(s->gb) == s->gb.size_in_bits){
-                        ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x-1, s->mb_y, (AC_END|DC_END|MV_END)&part_mask);
-
-                        return 0;
-                    }else{
-                        ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y, (AC_END|DC_END|MV_END)&part_mask);
-
-                        return -1;
-                    }
-                }
-            }
-
-            if(get_bits_count(s->?gb) >= s->gb?.size_in_bits){
-                if(get_bits_count(s->gb) == s->gb.size_in_bits){
-                    ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x-1, s->mb_y, (AC_END|DC_END|MV_END)&part_mask);
-
-                    return 0;
-                }else{
-                    ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y, (AC_ERROR|DC_ERROR|MV_ERROR)&part_mask);
-
-                    return -1;
-                }
-            }
-        }
-        s->mb_x=0;
-        ff_draw_horiz_band(s, 16*s->mb_y, 16);
-    }
-#endif
-    return -1; //not reached
-}
-
-static int decode_unregistered_user_data(H264Context *h, int size){
-    MpegEncContext * const s = &h->s;
-    uint8_t user_data[16+256];
-    int e, build, i;
-
-    if(size<16)
-        return -1;
-
-    for(i=0; i<sizeof(user_data)-1 && i<size; i++){
-        user_data[i]= get_bits(&s->gb, 8);
-    }
-
-    user_data[i]= 0;
-    e= sscanf(user_data+16, "x264 - core %d"/*%s - H.264/MPEG-4 AVC codec - Copyleft 2005 - http://www.videolan.org/x264.html*/, &build);
-    if(e==1 && build>=0)
-        h->x264_build= build;
-
-    if(s->avctx->debug & FF_DEBUG_BUGS)
-        av_log(s->avctx, AV_LOG_DEBUG, "user data:\"%s\"\n", user_data+16);
-
-    for(; i<size; i++)
-        skip_bits(&s->gb, 8);
-
-    return 0;
-}
-
-static int decode_sei(H264Context *h){
-    MpegEncContext * const s = &h->s;
-
-    while(get_bits_count(&s->gb) + 16 < s->gb.size_in_bits){
-        int size, type;
-
-        type=0;
-        do{
-            type+= show_bits(&s->gb, 8);
-        }while(get_bits(&s->gb, 8) == 255);
-
-        size=0;
-        do{
-            size+= show_bits(&s->gb, 8);
-        }while(get_bits(&s->gb, 8) == 255);
-
-        switch(type){
-        case 5:
-            if(decode_unregistered_user_data(h, size) < 0)
-                return -1;
-            break;
-        default:
-            skip_bits(&s->gb, 8*size);
-        }
-
-        //FIXME check bits here
-        align_get_bits(&s->gb);
-    }
-
-    return 0;
-}
-
-static inline void decode_hrd_parameters(H264Context *h, SPS *sps){
-    MpegEncContext * const s = &h->s;
-    int cpb_count, i;
-    cpb_count = get_ue_golomb(&s->gb) + 1;
-    get_bits(&s->gb, 4); /* bit_rate_scale */
-    get_bits(&s->gb, 4); /* cpb_size_scale */
-    for(i=0; i<cpb_count; i++){
-        get_ue_golomb(&s->gb); /* bit_rate_value_minus1 */
-        get_ue_golomb(&s->gb); /* cpb_size_value_minus1 */
-        get_bits1(&s->gb);     /* cbr_flag */
-    }
-    get_bits(&s->gb, 5); /* initial_cpb_removal_delay_length_minus1 */
-    get_bits(&s->gb, 5); /* cpb_removal_delay_length_minus1 */
-    get_bits(&s->gb, 5); /* dpb_output_delay_length_minus1 */
-    get_bits(&s->gb, 5); /* time_offset_length */
-}
-
-static inline int decode_vui_parameters(H264Context *h, SPS *sps){
-    MpegEncContext * const s = &h->s;
-    int aspect_ratio_info_present_flag;
-    unsigned int aspect_ratio_idc;
-    int nal_hrd_parameters_present_flag, vcl_hrd_parameters_present_flag;
-
-    aspect_ratio_info_present_flag= get_bits1(&s->gb);
-
-    if( aspect_ratio_info_present_flag ) {
-        aspect_ratio_idc= get_bits(&s->gb, 8);
-        if( aspect_ratio_idc == EXTENDED_SAR ) {
-            sps->sar.num= get_bits(&s->gb, 16);
-            sps->sar.den= get_bits(&s->gb, 16);
-        }else if(aspect_ratio_idc < 14){
-            sps->sar=  pixel_aspect[aspect_ratio_idc];
-        }else{
-            av_log(h->s.avctx, AV_LOG_ERROR, "illegal aspect ratio\n");
-            return -1;
-        }
-    }else{
-        sps->sar.num=
-        sps->sar.den= 0;
-    }
-//            s->avctx->aspect_ratio= sar_width*s->width / (float)(s->height*sar_height);
-
-    if(get_bits1(&s->gb)){      /* overscan_info_present_flag */
-        get_bits1(&s->gb);      /* overscan_appropriate_flag */
-    }
-
-    if(get_bits1(&s->gb)){      /* video_signal_type_present_flag */
-        get_bits(&s->gb, 3);    /* video_format */
-        get_bits1(&s->gb);      /* video_full_range_flag */
-        if(get_bits1(&s->gb)){  /* colour_description_present_flag */
-            get_bits(&s->gb, 8); /* colour_primaries */
-            get_bits(&s->gb, 8); /* transfer_characteristics */
-            get_bits(&s->gb, 8); /* matrix_coefficients */
-        }
-    }
-
-    if(get_bits1(&s->gb)){      /* chroma_location_info_present_flag */
-        get_ue_golomb(&s->gb);  /* chroma_sample_location_type_top_field */
-        get_ue_golomb(&s->gb);  /* chroma_sample_location_type_bottom_field */
-    }
-
-    sps->timing_info_present_flag = get_bits1(&s->gb);
-    if(sps->timing_info_present_flag){
-        sps->num_units_in_tick = get_bits_long(&s->gb, 32);
-        sps->time_scale = get_bits_long(&s->gb, 32);
-        sps->fixed_frame_rate_flag = get_bits1(&s->gb);
-    }
-
-    nal_hrd_parameters_present_flag = get_bits1(&s->gb);
-    if(nal_hrd_parameters_present_flag)
-        decode_hrd_parameters(h, sps);
-    vcl_hrd_parameters_present_flag = get_bits1(&s->gb);
-    if(vcl_hrd_parameters_present_flag)
-        decode_hrd_parameters(h, sps);
-    if(nal_hrd_parameters_present_flag || vcl_hrd_parameters_present_flag)
-        get_bits1(&s->gb);     /* low_delay_hrd_flag */
-    get_bits1(&s->gb);         /* pic_struct_present_flag */
-
-    sps->bitstream_restriction_flag = get_bits1(&s->gb);
-    if(sps->bitstream_restriction_flag){
-        unsigned int num_reorder_frames;
-        get_bits1(&s->gb);     /* motion_vectors_over_pic_boundaries_flag */
-        get_ue_golomb(&s->gb); /* max_bytes_per_pic_denom */
-        get_ue_golomb(&s->gb); /* max_bits_per_mb_denom */
-        get_ue_golomb(&s->gb); /* log2_max_mv_length_horizontal */
-        get_ue_golomb(&s->gb); /* log2_max_mv_length_vertical */
-        num_reorder_frames= get_ue_golomb(&s->gb);
-        get_ue_golomb(&s->gb); /*max_dec_frame_buffering*/
-
-        if(num_reorder_frames > 16 /*max_dec_frame_buffering || max_dec_frame_buffering > 16*/){
-            av_log(h->s.avctx, AV_LOG_ERROR, "illegal num_reorder_frames %d\n", num_reorder_frames);
-            return -1;
-        }
-
-        sps->num_reorder_frames= num_reorder_frames;
-    }
-
-    return 0;
-}
-
-static void decode_scaling_list(H264Context *h, uint8_t *factors, int size,
-                                const uint8_t *jvt_list, const uint8_t *fallback_list){
-    MpegEncContext * const s = &h->s;
-    int i, last = 8, next = 8;
-    const uint8_t *scan = size == 16 ? zigzag_scan : zigzag_scan8x8;
-    if(!get_bits1(&s->gb)) /* matrix not written, we use the predicted one */
-        memcpy(factors, fallback_list, size*sizeof(uint8_t));
-    else
-    for(i=0;i<size;i++){
-        if(next)
-            next = (last + get_se_golomb(&s->gb)) & 0xff;
-        if(!i && !next){ /* matrix not written, we use the preset one */
-            memcpy(factors, jvt_list, size*sizeof(uint8_t));
-            break;
-        }
-        last = factors[scan[i]] = next ? next : last;
-    }
-}
-
-static void decode_scaling_matrices(H264Context *h, SPS *sps, PPS *pps, int is_sps,
-                                   uint8_t (*scaling_matrix4)[16], uint8_t (*scaling_matrix8)[64]){
-    MpegEncContext * const s = &h->s;
-    int fallback_sps = !is_sps && sps->scaling_matrix_present;
-    const uint8_t *fallback[4] = {
-        fallback_sps ? sps->scaling_matrix4[0] : default_scaling4[0],
-        fallback_sps ? sps->scaling_matrix4[3] : default_scaling4[1],
-        fallback_sps ? sps->scaling_matrix8[0] : default_scaling8[0],
-        fallback_sps ? sps->scaling_matrix8[1] : default_scaling8[1]
-    };
-    if(get_bits1(&s->gb)){
-        sps->scaling_matrix_present |= is_sps;
-        decode_scaling_list(h,scaling_matrix4[0],16,default_scaling4[0],fallback[0]); // Intra, Y
-        decode_scaling_list(h,scaling_matrix4[1],16,default_scaling4[0],scaling_matrix4[0]); // Intra, Cr
-        decode_scaling_list(h,scaling_matrix4[2],16,default_scaling4[0],scaling_matrix4[1]); // Intra, Cb
-        decode_scaling_list(h,scaling_matrix4[3],16,default_scaling4[1],fallback[1]); // Inter, Y
-        decode_scaling_list(h,scaling_matrix4[4],16,default_scaling4[1],scaling_matrix4[3]); // Inter, Cr
-        decode_scaling_list(h,scaling_matrix4[5],16,default_scaling4[1],scaling_matrix4[4]); // Inter, Cb
-        if(is_sps || pps->transform_8x8_mode){
-            decode_scaling_list(h,scaling_matrix8[0],64,default_scaling8[0],fallback[2]);  // Intra, Y
-            decode_scaling_list(h,scaling_matrix8[1],64,default_scaling8[1],fallback[3]);  // Inter, Y
-        }
-    } else if(fallback_sps) {
-        memcpy(scaling_matrix4, sps->scaling_matrix4, 6*16*sizeof(uint8_t));
-        memcpy(scaling_matrix8, sps->scaling_matrix8, 2*64*sizeof(uint8_t));
-    }
-}
-
-static inline int decode_seq_parameter_set(H264Context *h){
-    MpegEncContext * const s = &h->s;
-    int profile_idc, level_idc;
-    unsigned int sps_id, tmp, mb_width, mb_height;
-    int i;
-    SPS *sps;
-
-    profile_idc= get_bits(&s->gb, 8);
-    get_bits1(&s->gb);   //constraint_set0_flag
-    get_bits1(&s->gb);   //constraint_set1_flag
-    get_bits1(&s->gb);   //constraint_set2_flag
-    get_bits1(&s->gb);   //constraint_set3_flag
-    get_bits(&s->gb, 4); // reserved
-    level_idc= get_bits(&s->gb, 8);
-    sps_id= get_ue_golomb(&s->gb);
-
-    if (sps_id >= MAX_SPS_COUNT){
-        // ok it has gone out of hand, someone is sending us bad stuff.
-        av_log(h->s.avctx, AV_LOG_ERROR, "illegal sps_id (%d)\n", sps_id);
-        return -1;
-    }
-
-    sps= &h->sps_buffer[ sps_id ];
-    sps->profile_idc= profile_idc;
-    sps->level_idc= level_idc;
-
-    if(sps->profile_idc >= 100){ //high profile
-        if(get_ue_golomb(&s->gb) == 3) //chroma_format_idc
-            get_bits1(&s->gb);  //residual_color_transform_flag
-        get_ue_golomb(&s->gb);  //bit_depth_luma_minus8
-        get_ue_golomb(&s->gb);  //bit_depth_chroma_minus8
-        sps->transform_bypass = get_bits1(&s->gb);
-        decode_scaling_matrices(h, sps, NULL, 1, sps->scaling_matrix4, sps->scaling_matrix8);
-    }else
-        sps->scaling_matrix_present = 0;
-
-    sps->log2_max_frame_num= get_ue_golomb(&s->gb) + 4;
-    sps->poc_type= get_ue_golomb(&s->gb);
-
-    if(sps->poc_type == 0){ //FIXME #define
-        sps->log2_max_poc_lsb= get_ue_golomb(&s->gb) + 4;
-    } else if(sps->poc_type == 1){//FIXME #define
-        sps->delta_pic_order_always_zero_flag= get_bits1(&s->gb);
-        sps->offset_for_non_ref_pic= get_se_golomb(&s->gb);
-        sps->offset_for_top_to_bottom_field= get_se_golomb(&s->gb);
-        tmp= get_ue_golomb(&s->gb);
-
-        if(tmp >= sizeof(sps->offset_for_ref_frame) / sizeof(sps->offset_for_ref_frame[0])){
-            av_log(h->s.avctx, AV_LOG_ERROR, "poc_cycle_length overflow %u\n", tmp);
-            return -1;
-        }
-        sps->poc_cycle_length= tmp;
-
-        for(i=0; i<sps->poc_cycle_length; i++)
-            sps->offset_for_ref_frame[i]= get_se_golomb(&s->gb);
-    }else if(sps->poc_type != 2){
-        av_log(h->s.avctx, AV_LOG_ERROR, "illegal POC type %d\n", sps->poc_type);
-        return -1;
-    }
-
-    tmp= get_ue_golomb(&s->gb);
-    if(tmp > MAX_PICTURE_COUNT-2){
-        av_log(h->s.avctx, AV_LOG_ERROR, "too many reference frames\n");
-    }
-    sps->ref_frame_count= tmp;
-    sps->gaps_in_frame_num_allowed_flag= get_bits1(&s->gb);
-    mb_width= get_ue_golomb(&s->gb) + 1;
-    mb_height= get_ue_golomb(&s->gb) + 1;
-    if(mb_width >= INT_MAX/16 || mb_height >= INT_MAX/16 ||
-       avcodec_check_dimensions(NULL, 16*mb_width, 16*mb_height)){
-        av_log(h->s.avctx, AV_LOG_ERROR, "mb_width/height overflow\n");
-        return -1;
-    }
-    sps->mb_width = mb_width;
-    sps->mb_height= mb_height;
-
-    sps->frame_mbs_only_flag= get_bits1(&s->gb);
-    if(!sps->frame_mbs_only_flag)
-        sps->mb_aff= get_bits1(&s->gb);
-    else
-        sps->mb_aff= 0;
-
-    sps->direct_8x8_inference_flag= get_bits1(&s->gb);
-
-#ifndef ALLOW_INTERLACE
-    if(sps->mb_aff)
-        av_log(h->s.avctx, AV_LOG_ERROR, "MBAFF support not included; enable it at compile-time.\n");
-#endif
-    if(!sps->direct_8x8_inference_flag && sps->mb_aff)
-        av_log(h->s.avctx, AV_LOG_ERROR, "MBAFF + !direct_8x8_inference is not implemented\n");
-
-    sps->crop= get_bits1(&s->gb);
-    if(sps->crop){
-        sps->crop_left  = get_ue_golomb(&s->gb);
-        sps->crop_right = get_ue_golomb(&s->gb);
-        sps->crop_top   = get_ue_golomb(&s->gb);
-        sps->crop_bottom= get_ue_golomb(&s->gb);
-        if(sps->crop_left || sps->crop_top){
-            av_log(h->s.avctx, AV_LOG_ERROR, "insane cropping not completely supported, this could look slightly wrong ...\n");
-        }
-    }else{
-        sps->crop_left  =
-        sps->crop_right =
-        sps->crop_top   =
-        sps->crop_bottom= 0;
-    }
-
-    sps->vui_parameters_present_flag= get_bits1(&s->gb);
-    if( sps->vui_parameters_present_flag )
-        decode_vui_parameters(h, sps);
-
-    if(s->avctx->debug&FF_DEBUG_PICT_INFO){
-        av_log(h->s.avctx, AV_LOG_DEBUG, "sps:%u profile:%d/%d poc:%d ref:%d %dx%d %s %s crop:%d/%d/%d/%d %s\n",
-               sps_id, sps->profile_idc, sps->level_idc,
-               sps->poc_type,
-               sps->ref_frame_count,
-               sps->mb_width, sps->mb_height,
-               sps->frame_mbs_only_flag ? "FRM" : (sps->mb_aff ? "MB-AFF" : "PIC-AFF"),
-               sps->direct_8x8_inference_flag ? "8B8" : "",
-               sps->crop_left, sps->crop_right,
-               sps->crop_top, sps->crop_bottom,
-               sps->vui_parameters_present_flag ? "VUI" : ""
-               );
-    }
-    return 0;
-}
-
-static inline int decode_picture_parameter_set(H264Context *h, int bit_length){
-    MpegEncContext * const s = &h->s;
-    unsigned int tmp, pps_id= get_ue_golomb(&s->gb);
-    PPS *pps;
-
-    if(pps_id>=MAX_PPS_COUNT){
-        av_log(h->s.avctx, AV_LOG_ERROR, "pps_id out of range\n");
-        return -1;
-    }
-    pps = &h->pps_buffer[pps_id];
-
-    tmp= get_ue_golomb(&s->gb);
-    if(tmp>=MAX_SPS_COUNT){
-        av_log(h->s.avctx, AV_LOG_ERROR, "sps_id out of range\n");
-        return -1;
-    }
-    pps->sps_id= tmp;
-
-    pps->cabac= get_bits1(&s->gb);
-    pps->pic_order_present= get_bits1(&s->gb);
-    pps->slice_group_count= get_ue_golomb(&s->gb) + 1;
-    if(pps->slice_group_count > 1 ){
-        pps->mb_slice_group_map_type= get_ue_golomb(&s->gb);
-        av_log(h->s.avctx, AV_LOG_ERROR, "FMO not supported\n");
-        switch(pps->mb_slice_group_map_type){
-        case 0:
-#if 0
-|   for( i = 0; i <= num_slice_groups_minus1; i++ ) |   |        |
-|    run_length[ i ]                                |1  |ue(v)   |
-#endif
-            break;
-        case 2:
-#if 0
-|   for( i = 0; i < num_slice_groups_minus1; i++ )  |   |        |
-|{                                                  |   |        |
-|    top_left_mb[ i ]                               |1  |ue(v)   |
-|    bottom_right_mb[ i ]                           |1  |ue(v)   |
-|   }                                               |   |        |
-#endif
-            break;
-        case 3:
-        case 4:
-        case 5:
-#if 0
-|   slice_group_change_direction_flag               |1  |u(1)    |
-|   slice_group_change_rate_minus1                  |1  |ue(v)   |
-#endif
-            break;
-        case 6:
-#if 0
-|   slice_group_id_cnt_minus1                       |1  |ue(v)   |
-|   for( i = 0; i <= slice_group_id_cnt_minus1; i++ |   |        |
-|)                                                  |   |        |
-|    slice_group_id[ i ]                            |1  |u(v)    |
-#endif
-            break;
-        }
-    }
-    pps->ref_count[0]= get_ue_golomb(&s->gb) + 1;
-    pps->ref_count[1]= get_ue_golomb(&s->gb) + 1;
-    if(pps->ref_count[0]-1 > 32-1 || pps->ref_count[1]-1 > 32-1){
-        av_log(h->s.avctx, AV_LOG_ERROR, "reference overflow (pps)\n");
-        pps->ref_count[0]= pps->ref_count[1]= 1;
-        return -1;
-    }
-
-    pps->weighted_pred= get_bits1(&s->gb);
-    pps->weighted_bipred_idc= get_bits(&s->gb, 2);
-    pps->init_qp= get_se_golomb(&s->gb) + 26;
-    pps->init_qs= get_se_golomb(&s->gb) + 26;
-    pps->chroma_qp_index_offset= get_se_golomb(&s->gb);
-    pps->deblocking_filter_parameters_present= get_bits1(&s->gb);
-    pps->constrained_intra_pred= get_bits1(&s->gb);
-    pps->redundant_pic_cnt_present = get_bits1(&s->gb);
-
-    pps->transform_8x8_mode= 0;
-    h->dequant_coeff_pps= -1; //contents of sps/pps can change even if id doesn't, so reinit
-    memset(pps->scaling_matrix4, 16, 6*16*sizeof(uint8_t));
-    memset(pps->scaling_matrix8, 16, 2*64*sizeof(uint8_t));
-
-    if(get_bits_count(&s->gb) < bit_length){
-        pps->transform_8x8_mode= get_bits1(&s->gb);
-        decode_scaling_matrices(h, &h->sps_buffer[pps->sps_id], pps, 0, pps->scaling_matrix4, pps->scaling_matrix8);
-        get_se_golomb(&s->gb);  //second_chroma_qp_index_offset
-    }
-
-    if(s->avctx->debug&FF_DEBUG_PICT_INFO){
-        av_log(h->s.avctx, AV_LOG_DEBUG, "pps:%u sps:%u %s slice_groups:%d ref:%d/%d %s qp:%d/%d/%d %s %s %s %s\n",
-               pps_id, pps->sps_id,
-               pps->cabac ? "CABAC" : "CAVLC",
-               pps->slice_group_count,
-               pps->ref_count[0], pps->ref_count[1],
-               pps->weighted_pred ? "weighted" : "",
-               pps->init_qp, pps->init_qs, pps->chroma_qp_index_offset,
-               pps->deblocking_filter_parameters_present ? "LPAR" : "",
-               pps->constrained_intra_pred ? "CONSTR" : "",
-               pps->redundant_pic_cnt_present ? "REDU" : "",
-               pps->transform_8x8_mode ? "8x8DCT" : ""
-               );
-    }
-
-    return 0;
-}
-
-/**
- * finds the end of the current frame in the bitstream.
- * @return the position of the first byte of the next frame, or -1
- */
-static int find_frame_end(H264Context *h, const uint8_t *buf, int buf_size){
     int i;
     uint32_t state;
     ParseContext *pc = &(h->s.parse_context);
@@ -8036,7 +83,6 @@ found:
     return END_NOT_FOUND;
 }
 
-#ifdef CONFIG_H264_PARSER
 static int h264_parse(AVCodecParserContext *s,
                       AVCodecContext *avctx,
                       const uint8_t **poutbuf, int *poutbuf_size,
@@ -8049,7 +95,7 @@ static int h264_parse(AVCodecParserConte
     if(s->flags & PARSER_FLAG_COMPLETE_FRAMES){
         next= buf_size;
     }else{
-        next= find_frame_end(h, buf, buf_size);
+        next= ff_h264_find_frame_end(h, buf, buf_size);
 
         if (ff_combine_frame(pc, next, &buf, &buf_size) < 0) {
             *poutbuf = NULL;
@@ -8059,7 +105,7 @@ static int h264_parse(AVCodecParserConte
 
         if(next<0 && next != END_NOT_FOUND){
             assert(pc->last_index + next >= 0 );
-            find_frame_end(h, &pc->buffer[pc->last_index + next], -next); //update state
+            ff_h264_find_frame_end(h, &pc->buffer[pc->last_index + next], -next); //update state
         }
     }
 
@@ -8091,608 +137,8 @@ static int h264_split(AVCodecContext *av
     }
     return 0;
 }
-#endif /* CONFIG_H264_PARSER */
 
-static int decode_nal_units(H264Context *h, uint8_t *buf, int buf_size){
-    MpegEncContext * const s = &h->s;
-    AVCodecContext * const avctx= s->avctx;
-    int buf_index=0;
-#if 0
-    int i;
-    for(i=0; i<50; i++){
-        av_log(NULL, AV_LOG_ERROR,"%02X ", buf[i]);
-    }
-#endif
-    if(!(s->flags2 & CODEC_FLAG2_CHUNKS)){
-        h->slice_num = 0;
-        s->current_picture_ptr= NULL;
-    }
-
-    for(;;){
-        int consumed;
-        int dst_length;
-        int bit_length;
-        uint8_t *ptr;
-        int i, nalsize = 0;
 
-      if(h->is_avc) {
-        if(buf_index >= buf_size) break;
-        nalsize = 0;
-        for(i = 0; i < h->nal_length_size; i++)
-            nalsize = (nalsize << 8) | buf[buf_index++];
-        if(nalsize <= 1 || (nalsize+buf_index > buf_size)){
-            if(nalsize == 1){
-                buf_index++;
-                continue;
-            }else{
-                av_log(h->s.avctx, AV_LOG_ERROR, "AVC: nal size %d\n", nalsize);
-                break;
-            }
-        }
-      } else {
-        // start code prefix search
-        for(; buf_index + 3 < buf_size; buf_index++){
-            // This should always succeed in the first iteration.
-            if(buf[buf_index] == 0 && buf[buf_index+1] == 0 && buf[buf_index+2] == 1)
-                break;
-        }
-
-        if(buf_index+3 >= buf_size) break;
-
-        buf_index+=3;
-      }
-
-        ptr= decode_nal(h, buf + buf_index, &dst_length, &consumed, h->is_avc ? nalsize : buf_size - buf_index);
-        if (ptr==NULL || dst_length < 0){
-            return -1;
-        }
-        while(ptr[dst_length - 1] == 0 && dst_length > 0)
-            dst_length--;
-        bit_length= !dst_length ? 0 : (8*dst_length - decode_rbsp_trailing(h, ptr + dst_length - 1));
-
-        if(s->avctx->debug&FF_DEBUG_STARTCODE){
-            av_log(h->s.avctx, AV_LOG_DEBUG, "NAL %d at %d/%d length %d\n", h->nal_unit_type, buf_index, buf_size, dst_length);
-        }
-
-        if (h->is_avc && (nalsize != consumed))
-            av_log(h->s.avctx, AV_LOG_ERROR, "AVC: Consumed only %d bytes instead of %d\n", consumed, nalsize);
-
-        buf_index += consumed;
-
-        if(  (s->hurry_up == 1 && h->nal_ref_idc  == 0) //FIXME dont discard SEI id
-           ||(avctx->skip_frame >= AVDISCARD_NONREF && h->nal_ref_idc  == 0))
-            continue;
-
-        switch(h->nal_unit_type){
-        case NAL_IDR_SLICE:
-            idr(h); //FIXME ensure we don't loose some frames if there is reordering
-        case NAL_SLICE:
-            init_get_bits(&s->gb, ptr, bit_length);
-            h->intra_gb_ptr=
-            h->inter_gb_ptr= &s->gb;
-            s->data_partitioning = 0;
-
-            if(decode_slice_header(h) < 0){
-                av_log(h->s.avctx, AV_LOG_ERROR, "decode_slice_header error\n");
-                break;
-            }
-            s->current_picture_ptr->key_frame= (h->nal_unit_type == NAL_IDR_SLICE);
-            if(h->redundant_pic_count==0 && s->hurry_up < 5
-               && (avctx->skip_frame < AVDISCARD_NONREF || h->nal_ref_idc)
-               && (avctx->skip_frame < AVDISCARD_BIDIR  || h->slice_type!=B_TYPE)
-               && (avctx->skip_frame < AVDISCARD_NONKEY || h->slice_type==I_TYPE)
-               && avctx->skip_frame < AVDISCARD_ALL)
-                decode_slice(h);
-            break;
-        case NAL_DPA:
-            init_get_bits(&s->gb, ptr, bit_length);
-            h->intra_gb_ptr=
-            h->inter_gb_ptr= NULL;
-            s->data_partitioning = 1;
-
-            if(decode_slice_header(h) < 0){
-                av_log(h->s.avctx, AV_LOG_ERROR, "decode_slice_header error\n");
-            }
-            break;
-        case NAL_DPB:
-            init_get_bits(&h->intra_gb, ptr, bit_length);
-            h->intra_gb_ptr= &h->intra_gb;
-            break;
-        case NAL_DPC:
-            init_get_bits(&h->inter_gb, ptr, bit_length);
-            h->inter_gb_ptr= &h->inter_gb;
-
-            if(h->redundant_pic_count==0 && h->intra_gb_ptr && s->data_partitioning
-               && s->context_initialized
-               && s->hurry_up < 5
-               && (avctx->skip_frame < AVDISCARD_NONREF || h->nal_ref_idc)
-               && (avctx->skip_frame < AVDISCARD_BIDIR  || h->slice_type!=B_TYPE)
-               && (avctx->skip_frame < AVDISCARD_NONKEY || h->slice_type==I_TYPE)
-               && avctx->skip_frame < AVDISCARD_ALL)
-                decode_slice(h);
-            break;
-        case NAL_SEI:
-            init_get_bits(&s->gb, ptr, bit_length);
-            decode_sei(h);
-            break;
-        case NAL_SPS:
-            init_get_bits(&s->gb, ptr, bit_length);
-            decode_seq_parameter_set(h);
-
-            if(s->flags& CODEC_FLAG_LOW_DELAY)
-                s->low_delay=1;
-
-            if(avctx->has_b_frames < 2)
-                avctx->has_b_frames= !s->low_delay;
-            break;
-        case NAL_PPS:
-            init_get_bits(&s->gb, ptr, bit_length);
-
-            decode_picture_parameter_set(h, bit_length);
-
-            break;
-        case NAL_AUD:
-        case NAL_END_SEQUENCE:
-        case NAL_END_STREAM:
-        case NAL_FILLER_DATA:
-        case NAL_SPS_EXT:
-        case NAL_AUXILIARY_SLICE:
-            break;
-        default:
-            av_log(avctx, AV_LOG_ERROR, "Unknown NAL code: %d\n", h->nal_unit_type);
-        }
-    }
-
-    return buf_index;
-}
-
-/**
- * returns the number of bytes consumed for building the current frame
- */
-static int get_consumed_bytes(MpegEncContext *s, int pos, int buf_size){
-    if(s->flags&CODEC_FLAG_TRUNCATED){
-        pos -= s->parse_context.last_index;
-        if(pos<0) pos=0; // FIXME remove (unneeded?)
-
-        return pos;
-    }else{
-        if(pos==0) pos=1; //avoid infinite loops (i doubt thats needed but ...)
-        if(pos+10>buf_size) pos=buf_size; // oops ;)
-
-        return pos;
-    }
-}
-
-static int decode_frame(AVCodecContext *avctx,
-                             void *data, int *data_size,
-                             uint8_t *buf, int buf_size)
-{
-    H264Context *h = avctx->priv_data;
-    MpegEncContext *s = &h->s;
-    AVFrame *pict = data;
-    int buf_index;
-
-    s->flags= avctx->flags;
-    s->flags2= avctx->flags2;
-
-   /* no supplementary picture */
-    if (buf_size == 0) {
-        Picture *out;
-        int i, out_idx;
-
-//FIXME factorize this with the output code below
-        out = h->delayed_pic[0];
-        out_idx = 0;
-        for(i=1; h->delayed_pic[i] && !h->delayed_pic[i]->key_frame; i++)
-            if(h->delayed_pic[i]->poc < out->poc){
-                out = h->delayed_pic[i];
-                out_idx = i;
-            }
-
-        for(i=out_idx; h->delayed_pic[i]; i++)
-            h->delayed_pic[i] = h->delayed_pic[i+1];
-
-        if(out){
-            *data_size = sizeof(AVFrame);
-            *pict= *(AVFrame*)out;
-        }
-
-        return 0;
-    }
-
-    if(s->flags&CODEC_FLAG_TRUNCATED){
-        int next= find_frame_end(h, buf, buf_size);
-
-        if( ff_combine_frame(&s->parse_context, next, (const uint8_t **)&buf, &buf_size) < 0 )
-            return buf_size;
-//printf("next:%d buf_size:%d last_index:%d\n", next, buf_size, s->parse_context.last_index);
-    }
-
-    if(h->is_avc && !h->got_avcC) {
-        int i, cnt, nalsize;
-        unsigned char *p = avctx->extradata;
-        if(avctx->extradata_size < 7) {
-            av_log(avctx, AV_LOG_ERROR, "avcC too short\n");
-            return -1;
-        }
-        if(*p != 1) {
-            av_log(avctx, AV_LOG_ERROR, "Unknown avcC version %d\n", *p);
-            return -1;
-        }
-        /* sps and pps in the avcC always have length coded with 2 bytes,
-           so put a fake nal_length_size = 2 while parsing them */
-        h->nal_length_size = 2;
-        // Decode sps from avcC
-        cnt = *(p+5) & 0x1f; // Number of sps
-        p += 6;
-        for (i = 0; i < cnt; i++) {
-            nalsize = AV_RB16(p) + 2;
-            if(decode_nal_units(h, p, nalsize) < 0) {
-                av_log(avctx, AV_LOG_ERROR, "Decoding sps %d from avcC failed\n", i);
-                return -1;
-            }
-            p += nalsize;
-        }
-        // Decode pps from avcC
-        cnt = *(p++); // Number of pps
-        for (i = 0; i < cnt; i++) {
-            nalsize = AV_RB16(p) + 2;
-            if(decode_nal_units(h, p, nalsize)  != nalsize) {
-                av_log(avctx, AV_LOG_ERROR, "Decoding pps %d from avcC failed\n", i);
-                return -1;
-            }
-            p += nalsize;
-        }
-        // Now store right nal length size, that will be use to parse all other nals
-        h->nal_length_size = ((*(((char*)(avctx->extradata))+4))&0x03)+1;
-        // Do not reparse avcC
-        h->got_avcC = 1;
-    }
-
-    if(avctx->frame_number==0 && !h->is_avc && s->avctx->extradata_size){
-        if(decode_nal_units(h, s->avctx->extradata, s->avctx->extradata_size) < 0)
-            return -1;
-    }
-
-    buf_index=decode_nal_units(h, buf, buf_size);
-    if(buf_index < 0)
-        return -1;
-
-    if(!(s->flags2 & CODEC_FLAG2_CHUNKS) && !s->current_picture_ptr){
-        av_log(avctx, AV_LOG_ERROR, "no frame!\n");
-        return -1;
-    }
-
-    if(!(s->flags2 & CODEC_FLAG2_CHUNKS) || (s->mb_y >= s->mb_height && s->mb_height)){
-        Picture *out = s->current_picture_ptr;
-        Picture *cur = s->current_picture_ptr;
-        Picture *prev = h->delayed_output_pic;
-        int i, pics, cross_idr, out_of_order, out_idx;
-
-        s->mb_y= 0;
-
-        s->current_picture_ptr->qscale_type= FF_QSCALE_TYPE_H264;
-        s->current_picture_ptr->pict_type= s->pict_type;
-
-        h->prev_frame_num_offset= h->frame_num_offset;
-        h->prev_frame_num= h->frame_num;
-        if(s->current_picture_ptr->reference){
-            h->prev_poc_msb= h->poc_msb;
-            h->prev_poc_lsb= h->poc_lsb;
-        }
-        if(s->current_picture_ptr->reference)
-            execute_ref_pic_marking(h, h->mmco, h->mmco_index);
-
-        ff_er_frame_end(s);
-
-        MPV_frame_end(s);
-
-    //FIXME do something with unavailable reference frames
-
-#if 0 //decode order
-        *data_size = sizeof(AVFrame);
-#else
-        /* Sort B-frames into display order */
-
-        if(h->sps.bitstream_restriction_flag
-           && s->avctx->has_b_frames < h->sps.num_reorder_frames){
-            s->avctx->has_b_frames = h->sps.num_reorder_frames;
-            s->low_delay = 0;
-        }
-
-        pics = 0;
-        while(h->delayed_pic[pics]) pics++;
-
-        assert(pics+1 < sizeof(h->delayed_pic) / sizeof(h->delayed_pic[0]));
-
-        h->delayed_pic[pics++] = cur;
-        if(cur->reference == 0)
-            cur->reference = 1;
-
-        cross_idr = 0;
-        for(i=0; h->delayed_pic[i]; i++)
-            if(h->delayed_pic[i]->key_frame || h->delayed_pic[i]->poc==0)
-                cross_idr = 1;
-
-        out = h->delayed_pic[0];
-        out_idx = 0;
-        for(i=1; h->delayed_pic[i] && !h->delayed_pic[i]->key_frame; i++)
-            if(h->delayed_pic[i]->poc < out->poc){
-                out = h->delayed_pic[i];
-                out_idx = i;
-            }
-
-        out_of_order = !cross_idr && prev && out->poc < prev->poc;
-        if(h->sps.bitstream_restriction_flag && s->avctx->has_b_frames >= h->sps.num_reorder_frames)
-            { }
-        else if(prev && pics <= s->avctx->has_b_frames)
-            out = prev;
-        else if((out_of_order && pics-1 == s->avctx->has_b_frames && pics < 15)
-           || (s->low_delay &&
-            ((!cross_idr && prev && out->poc > prev->poc + 2)
-             || cur->pict_type == B_TYPE)))
-        {
-            s->low_delay = 0;
-            s->avctx->has_b_frames++;
-            out = prev;
-        }
-        else if(out_of_order)
-            out = prev;
-
-        if(out_of_order || pics > s->avctx->has_b_frames){
-            for(i=out_idx; h->delayed_pic[i]; i++)
-                h->delayed_pic[i] = h->delayed_pic[i+1];
-        }
-
-        if(prev == out)
-            *data_size = 0;
-        else
-            *data_size = sizeof(AVFrame);
-        if(prev && prev != out && prev->reference == 1)
-            prev->reference = 0;
-        h->delayed_output_pic = out;
-#endif
-
-        if(out)
-            *pict= *(AVFrame*)out;
-        else
-            av_log(avctx, AV_LOG_DEBUG, "no picture\n");
-    }
-
-    assert(pict->data[0] || !*data_size);
-    ff_print_debug_info(s, pict);
-//printf("out %d\n", (int)pict->data[0]);
-#if 0 //?
-
-    /* Return the Picture timestamp as the frame number */
-    /* we substract 1 because it is added on utils.c    */
-    avctx->frame_number = s->picture_number - 1;
-#endif
-    return get_consumed_bytes(s, buf_index, buf_size);
-}
-#if 0
-static inline void fill_mb_avail(H264Context *h){
-    MpegEncContext * const s = &h->s;
-    const int mb_xy= s->mb_x + s->mb_y*s->mb_stride;
-
-    if(s->mb_y){
-        h->mb_avail[0]= s->mb_x                 && h->slice_table[mb_xy - s->mb_stride - 1] == h->slice_num;
-        h->mb_avail[1]=                            h->slice_table[mb_xy - s->mb_stride    ] == h->slice_num;
-        h->mb_avail[2]= s->mb_x+1 < s->mb_width && h->slice_table[mb_xy - s->mb_stride + 1] == h->slice_num;
-    }else{
-        h->mb_avail[0]=
-        h->mb_avail[1]=
-        h->mb_avail[2]= 0;
-    }
-    h->mb_avail[3]= s->mb_x && h->slice_table[mb_xy - 1] == h->slice_num;
-    h->mb_avail[4]= 1; //FIXME move out
-    h->mb_avail[5]= 0; //FIXME move out
-}
-#endif
-
-#if 0 //selftest
-#define COUNT 8000
-#define SIZE (COUNT*40)
-int main(){
-    int i;
-    uint8_t temp[SIZE];
-    PutBitContext pb;
-    GetBitContext gb;
-//    int int_temp[10000];
-    DSPContext dsp;
-    AVCodecContext avctx;
-
-    dsputil_init(&dsp, &avctx);
-
-    init_put_bits(&pb, temp, SIZE);
-    printf("testing unsigned exp golomb\n");
-    for(i=0; i<COUNT; i++){
-        START_TIMER
-        set_ue_golomb(&pb, i);
-        STOP_TIMER("set_ue_golomb");
-    }
-    flush_put_bits(&pb);
-
-    init_get_bits(&gb, temp, 8*SIZE);
-    for(i=0; i<COUNT; i++){
-        int j, s;
-
-        s= show_bits(&gb, 24);
-
-        START_TIMER
-        j= get_ue_golomb(&gb);
-        if(j != i){
-            printf("missmatch! at %d (%d should be %d) bits:%6X\n", i, j, i, s);
-//            return -1;
-        }
-        STOP_TIMER("get_ue_golomb");
-    }
-
-
-    init_put_bits(&pb, temp, SIZE);
-    printf("testing signed exp golomb\n");
-    for(i=0; i<COUNT; i++){
-        START_TIMER
-        set_se_golomb(&pb, i - COUNT/2);
-        STOP_TIMER("set_se_golomb");
-    }
-    flush_put_bits(&pb);
-
-    init_get_bits(&gb, temp, 8*SIZE);
-    for(i=0; i<COUNT; i++){
-        int j, s;
-
-        s= show_bits(&gb, 24);
-
-        START_TIMER
-        j= get_se_golomb(&gb);
-        if(j != i - COUNT/2){
-            printf("missmatch! at %d (%d should be %d) bits:%6X\n", i, j, i, s);
-//            return -1;
-        }
-        STOP_TIMER("get_se_golomb");
-    }
-
-    printf("testing 4x4 (I)DCT\n");
-
-    DCTELEM block[16];
-    uint8_t src[16], ref[16];
-    uint64_t error= 0, max_error=0;
-
-    for(i=0; i<COUNT; i++){
-        int j;
-//        printf("%d %d %d\n", r1, r2, (r2-r1)*16);
-        for(j=0; j<16; j++){
-            ref[j]= random()%255;
-            src[j]= random()%255;
-        }
-
-        h264_diff_dct_c(block, src, ref, 4);
-
-        //normalize
-        for(j=0; j<16; j++){
-//            printf("%d ", block[j]);
-            block[j]= block[j]*4;
-            if(j&1) block[j]= (block[j]*4 + 2)/5;
-            if(j&4) block[j]= (block[j]*4 + 2)/5;
-        }
-//        printf("\n");
-
-        s->dsp.h264_idct_add(ref, block, 4);
-/*        for(j=0; j<16; j++){
-            printf("%d ", ref[j]);
-        }
-        printf("\n");*/
-
-        for(j=0; j<16; j++){
-            int diff= FFABS(src[j] - ref[j]);
-
-            error+= diff*diff;
-            max_error= FFMAX(max_error, diff);
-        }
-    }
-    printf("error=%f max_error=%d\n", ((float)error)/COUNT/16, (int)max_error );
-#if 0
-    printf("testing quantizer\n");
-    for(qp=0; qp<52; qp++){
-        for(i=0; i<16; i++)
-            src1_block[i]= src2_block[i]= random()%255;
-
-    }
-#endif
-    printf("Testing NAL layer\n");
-
-    uint8_t bitstream[COUNT];
-    uint8_t nal[COUNT*2];
-    H264Context h;
-    memset(&h, 0, sizeof(H264Context));
-
-    for(i=0; i<COUNT; i++){
-        int zeros= i;
-        int nal_length;
-        int consumed;
-        int out_length;
-        uint8_t *out;
-        int j;
-
-        for(j=0; j<COUNT; j++){
-            bitstream[j]= (random() % 255) + 1;
-        }
-
-        for(j=0; j<zeros; j++){
-            int pos= random() % COUNT;
-            while(bitstream[pos] == 0){
-                pos++;
-                pos %= COUNT;
-            }
-            bitstream[pos]=0;
-        }
-
-        START_TIMER
-
-        nal_length= encode_nal(&h, nal, bitstream, COUNT, COUNT*2);
-        if(nal_length<0){
-            printf("encoding failed\n");
-            return -1;
-        }
-
-        out= decode_nal(&h, nal, &out_length, &consumed, nal_length);
-
-        STOP_TIMER("NAL")
-
-        if(out_length != COUNT){
-            printf("incorrect length %d %d\n", out_length, COUNT);
-            return -1;
-        }
-
-        if(consumed != nal_length){
-            printf("incorrect consumed length %d %d\n", nal_length, consumed);
-            return -1;
-        }
-
-        if(memcmp(bitstream, out, COUNT)){
-            printf("missmatch\n");
-            return -1;
-        }
-    }
-
-    printf("Testing RBSP\n");
-
-
-    return 0;
-}
-#endif
-
-
-static int decode_end(AVCodecContext *avctx)
-{
-    H264Context *h = avctx->priv_data;
-    MpegEncContext *s = &h->s;
-
-    av_freep(&h->rbsp_buffer);
-    free_tables(h); //FIXME cleanup init stuff perhaps
-    MPV_common_end(s);
-
-//    memset(h, 0, sizeof(H264Context));
-
-    return 0;
-}
-
-
-AVCodec h264_decoder = {
-    "h264",
-    CODEC_TYPE_VIDEO,
-    CODEC_ID_H264,
-    sizeof(H264Context),
-    decode_init,
-    NULL,
-    decode_end,
-    decode_frame,
-    /*CODEC_CAP_DRAW_HORIZ_BAND |*/ CODEC_CAP_DR1 | CODEC_CAP_TRUNCATED | CODEC_CAP_DELAY,
-    .flush= flush_dpb,
-};
-
-#ifdef CONFIG_H264_PARSER
 AVCodecParser h264_parser = {
     { CODEC_ID_H264 },
     sizeof(H264Context),
@@ -8701,6 +147,3 @@ AVCodecParser h264_parser = {
     ff_parse_close,
     h264_split,
 };
-#endif
-
-#include "svq3.c"

Copied: trunk/libavcodec/h264_parser.h (from r8983, /trunk/libavcodec/h264.c)
==============================================================================
--- /trunk/libavcodec/h264.c	(original)
+++ trunk/libavcodec/h264_parser.h	Fri May 11 00:26:44 2007
@@ -1,5 +1,5 @@
 /*
- * H.26L/H.264/AVC/JVT/14496-10/... encoder/decoder
+ * H.26L/H.264/AVC/JVT/14496-10/... parser
  * Copyright (c) 2003 Michael Niedermayer <michaelni at gmx.at>
  *
  * This file is part of FFmpeg.
@@ -21,8686 +21,20 @@
  */
 
 /**
- * @file h264.c
- * H.264 / AVC / MPEG4 part10 codec.
+ * @file h264_parser.h
+ * H.264 / AVC / MPEG4 part10 parser.
  * @author Michael Niedermayer <michaelni at gmx.at>
  */
 
-#include "common.h"
-#include "dsputil.h"
-#include "avcodec.h"
-#include "mpegvideo.h"
-#include "h264data.h"
-#include "golomb.h"
-
-#include "cabac.h"
-
-//#undef NDEBUG
-#include <assert.h>
-
-#define interlaced_dct interlaced_dct_is_a_bad_name
-#define mb_intra mb_intra_isnt_initalized_see_mb_type
-
-#define LUMA_DC_BLOCK_INDEX   25
-#define CHROMA_DC_BLOCK_INDEX 26
-
-#define CHROMA_DC_COEFF_TOKEN_VLC_BITS 8
-#define COEFF_TOKEN_VLC_BITS           8
-#define TOTAL_ZEROS_VLC_BITS           9
-#define CHROMA_DC_TOTAL_ZEROS_VLC_BITS 3
-#define RUN_VLC_BITS                   3
-#define RUN7_VLC_BITS                  6
-
-#define MAX_SPS_COUNT 32
-#define MAX_PPS_COUNT 256
-
-#define MAX_MMCO_COUNT 66
-
-/* Compiling in interlaced support reduces the speed
- * of progressive decoding by about 2%. */
-#define ALLOW_INTERLACE
-
-#ifdef ALLOW_INTERLACE
-#define MB_MBAFF h->mb_mbaff
-#define MB_FIELD h->mb_field_decoding_flag
-#define FRAME_MBAFF h->mb_aff_frame
-#else
-#define MB_MBAFF 0
-#define MB_FIELD 0
-#define FRAME_MBAFF 0
-#undef  IS_INTERLACED
-#define IS_INTERLACED(mb_type) 0
-#endif
-
-/**
- * Sequence parameter set
- */
-typedef struct SPS{
-
-    int profile_idc;
-    int level_idc;
-    int transform_bypass;              ///< qpprime_y_zero_transform_bypass_flag
-    int log2_max_frame_num;            ///< log2_max_frame_num_minus4 + 4
-    int poc_type;                      ///< pic_order_cnt_type
-    int log2_max_poc_lsb;              ///< log2_max_pic_order_cnt_lsb_minus4
-    int delta_pic_order_always_zero_flag;
-    int offset_for_non_ref_pic;
-    int offset_for_top_to_bottom_field;
-    int poc_cycle_length;              ///< num_ref_frames_in_pic_order_cnt_cycle
-    int ref_frame_count;               ///< num_ref_frames
-    int gaps_in_frame_num_allowed_flag;
-    int mb_width;                      ///< frame_width_in_mbs_minus1 + 1
-    int mb_height;                     ///< frame_height_in_mbs_minus1 + 1
-    int frame_mbs_only_flag;
-    int mb_aff;                        ///<mb_adaptive_frame_field_flag
-    int direct_8x8_inference_flag;
-    int crop;                   ///< frame_cropping_flag
-    int crop_left;              ///< frame_cropping_rect_left_offset
-    int crop_right;             ///< frame_cropping_rect_right_offset
-    int crop_top;               ///< frame_cropping_rect_top_offset
-    int crop_bottom;            ///< frame_cropping_rect_bottom_offset
-    int vui_parameters_present_flag;
-    AVRational sar;
-    int timing_info_present_flag;
-    uint32_t num_units_in_tick;
-    uint32_t time_scale;
-    int fixed_frame_rate_flag;
-    short offset_for_ref_frame[256]; //FIXME dyn aloc?
-    int bitstream_restriction_flag;
-    int num_reorder_frames;
-    int scaling_matrix_present;
-    uint8_t scaling_matrix4[6][16];
-    uint8_t scaling_matrix8[2][64];
-}SPS;
-
-/**
- * Picture parameter set
- */
-typedef struct PPS{
-    unsigned int sps_id;
-    int cabac;                  ///< entropy_coding_mode_flag
-    int pic_order_present;      ///< pic_order_present_flag
-    int slice_group_count;      ///< num_slice_groups_minus1 + 1
-    int mb_slice_group_map_type;
-    unsigned int ref_count[2];  ///< num_ref_idx_l0/1_active_minus1 + 1
-    int weighted_pred;          ///< weighted_pred_flag
-    int weighted_bipred_idc;
-    int init_qp;                ///< pic_init_qp_minus26 + 26
-    int init_qs;                ///< pic_init_qs_minus26 + 26
-    int chroma_qp_index_offset;
-    int deblocking_filter_parameters_present; ///< deblocking_filter_parameters_present_flag
-    int constrained_intra_pred; ///< constrained_intra_pred_flag
-    int redundant_pic_cnt_present; ///< redundant_pic_cnt_present_flag
-    int transform_8x8_mode;     ///< transform_8x8_mode_flag
-    uint8_t scaling_matrix4[6][16];
-    uint8_t scaling_matrix8[2][64];
-}PPS;
-
-/**
- * Memory management control operation opcode.
- */
-typedef enum MMCOOpcode{
-    MMCO_END=0,
-    MMCO_SHORT2UNUSED,
-    MMCO_LONG2UNUSED,
-    MMCO_SHORT2LONG,
-    MMCO_SET_MAX_LONG,
-    MMCO_RESET,
-    MMCO_LONG,
-} MMCOOpcode;
-
-/**
- * Memory management control operation.
- */
-typedef struct MMCO{
-    MMCOOpcode opcode;
-    int short_frame_num;
-    int long_index;
-} MMCO;
-
-/**
- * H264Context
- */
-typedef struct H264Context{
-    MpegEncContext s;
-    int nal_ref_idc;
-    int nal_unit_type;
-    uint8_t *rbsp_buffer;
-    unsigned int rbsp_buffer_size;
-
-    /**
-      * Used to parse AVC variant of h264
-      */
-    int is_avc; ///< this flag is != 0 if codec is avc1
-    int got_avcC; ///< flag used to parse avcC data only once
-    int nal_length_size; ///< Number of bytes used for nal length (1, 2 or 4)
-
-    int chroma_qp; //QPc
-
-    int prev_mb_skipped;
-    int next_mb_skipped;
-
-    //prediction stuff
-    int chroma_pred_mode;
-    int intra16x16_pred_mode;
-
-    int top_mb_xy;
-    int left_mb_xy[2];
-
-    int8_t intra4x4_pred_mode_cache[5*8];
-    int8_t (*intra4x4_pred_mode)[8];
-    void (*pred4x4  [9+3])(uint8_t *src, uint8_t *topright, int stride);//FIXME move to dsp?
-    void (*pred8x8l [9+3])(uint8_t *src, int topleft, int topright, int stride);
-    void (*pred8x8  [4+3])(uint8_t *src, int stride);
-    void (*pred16x16[4+3])(uint8_t *src, int stride);
-    unsigned int topleft_samples_available;
-    unsigned int top_samples_available;
-    unsigned int topright_samples_available;
-    unsigned int left_samples_available;
-    uint8_t (*top_borders[2])[16+2*8];
-    uint8_t left_border[2*(17+2*9)];
-
-    /**
-     * non zero coeff count cache.
-     * is 64 if not available.
-     */
-    DECLARE_ALIGNED_8(uint8_t, non_zero_count_cache[6*8]);
-    uint8_t (*non_zero_count)[16];
-
-    /**
-     * Motion vector cache.
-     */
-    DECLARE_ALIGNED_8(int16_t, mv_cache[2][5*8][2]);
-    DECLARE_ALIGNED_8(int8_t, ref_cache[2][5*8]);
-#define LIST_NOT_USED -1 //FIXME rename?
-#define PART_NOT_AVAILABLE -2
-
-    /**
-     * is 1 if the specific list MV&references are set to 0,0,-2.
-     */
-    int mv_cache_clean[2];
-
-    /**
-     * number of neighbors (top and/or left) that used 8x8 dct
-     */
-    int neighbor_transform_size;
-
-    /**
-     * block_offset[ 0..23] for frame macroblocks
-     * block_offset[24..47] for field macroblocks
-     */
-    int block_offset[2*(16+8)];
-
-    uint32_t *mb2b_xy; //FIXME are these 4 a good idea?
-    uint32_t *mb2b8_xy;
-    int b_stride; //FIXME use s->b4_stride
-    int b8_stride;
-
-    int mb_linesize;   ///< may be equal to s->linesize or s->linesize*2, for mbaff
-    int mb_uvlinesize;
-
-    int emu_edge_width;
-    int emu_edge_height;
-
-    int halfpel_flag;
-    int thirdpel_flag;
-
-    int unknown_svq3_flag;
-    int next_slice_index;
-
-    SPS sps_buffer[MAX_SPS_COUNT];
-    SPS sps; ///< current sps
-
-    PPS pps_buffer[MAX_PPS_COUNT];
-    /**
-     * current pps
-     */
-    PPS pps; //FIXME move to Picture perhaps? (->no) do we need that?
-
-    uint32_t dequant4_buffer[6][52][16];
-    uint32_t dequant8_buffer[2][52][64];
-    uint32_t (*dequant4_coeff[6])[16];
-    uint32_t (*dequant8_coeff[2])[64];
-    int dequant_coeff_pps;     ///< reinit tables when pps changes
-
-    int slice_num;
-    uint8_t *slice_table_base;
-    uint8_t *slice_table;      ///< slice_table_base + 2*mb_stride + 1
-    int slice_type;
-    int slice_type_fixed;
-
-    //interlacing specific flags
-    int mb_aff_frame;
-    int mb_field_decoding_flag;
-    int mb_mbaff;              ///< mb_aff_frame && mb_field_decoding_flag
-
-    unsigned int sub_mb_type[4];
-
-    //POC stuff
-    int poc_lsb;
-    int poc_msb;
-    int delta_poc_bottom;
-    int delta_poc[2];
-    int frame_num;
-    int prev_poc_msb;             ///< poc_msb of the last reference pic for POC type 0
-    int prev_poc_lsb;             ///< poc_lsb of the last reference pic for POC type 0
-    int frame_num_offset;         ///< for POC type 2
-    int prev_frame_num_offset;    ///< for POC type 2
-    int prev_frame_num;           ///< frame_num of the last pic for POC type 1/2
-
-    /**
-     * frame_num for frames or 2*frame_num for field pics.
-     */
-    int curr_pic_num;
-
-    /**
-     * max_frame_num or 2*max_frame_num for field pics.
-     */
-    int max_pic_num;
-
-    //Weighted pred stuff
-    int use_weight;
-    int use_weight_chroma;
-    int luma_log2_weight_denom;
-    int chroma_log2_weight_denom;
-    int luma_weight[2][48];
-    int luma_offset[2][48];
-    int chroma_weight[2][48][2];
-    int chroma_offset[2][48][2];
-    int implicit_weight[48][48];
-
-    //deblock
-    int deblocking_filter;         ///< disable_deblocking_filter_idc with 1<->0
-    int slice_alpha_c0_offset;
-    int slice_beta_offset;
-
-    int redundant_pic_count;
-
-    int direct_spatial_mv_pred;
-    int dist_scale_factor[16];
-    int dist_scale_factor_field[32];
-    int map_col_to_list0[2][16];
-    int map_col_to_list0_field[2][32];
-
-    /**
-     * num_ref_idx_l0/1_active_minus1 + 1
-     */
-    unsigned int ref_count[2];   ///< counts frames or fields, depending on current mb mode
-    unsigned int list_count;
-    Picture *short_ref[32];
-    Picture *long_ref[32];
-    Picture default_ref_list[2][32];
-    Picture ref_list[2][48];     ///< 0..15: frame refs, 16..47: mbaff field refs
-    Picture *delayed_pic[18]; //FIXME size?
-    Picture *delayed_output_pic;
-
-    /**
-     * memory management control operations buffer.
-     */
-    MMCO mmco[MAX_MMCO_COUNT];
-    int mmco_index;
-
-    int long_ref_count;  ///< number of actual long term references
-    int short_ref_count; ///< number of actual short term references
-
-    //data partitioning
-    GetBitContext intra_gb;
-    GetBitContext inter_gb;
-    GetBitContext *intra_gb_ptr;
-    GetBitContext *inter_gb_ptr;
-
-    DECLARE_ALIGNED_8(DCTELEM, mb[16*24]);
-    DCTELEM mb_padding[256];        ///< as mb is addressed by scantable[i] and scantable is uint8_t we can either check that i is not to large or ensure that there is some unused stuff after mb
-
-    /**
-     * Cabac
-     */
-    CABACContext cabac;
-    uint8_t      cabac_state[460];
-    int          cabac_init_idc;
-
-    /* 0x100 -> non null luma_dc, 0x80/0x40 -> non null chroma_dc (cb/cr), 0x?0 -> chroma_cbp(0,1,2), 0x0? luma_cbp */
-    uint16_t     *cbp_table;
-    int cbp;
-    int top_cbp;
-    int left_cbp;
-    /* chroma_pred_mode for i4x4 or i16x16, else 0 */
-    uint8_t     *chroma_pred_mode_table;
-    int         last_qscale_diff;
-    int16_t     (*mvd_table[2])[2];
-    DECLARE_ALIGNED_8(int16_t, mvd_cache[2][5*8][2]);
-    uint8_t     *direct_table;
-    uint8_t     direct_cache[5*8];
-
-    uint8_t zigzag_scan[16];
-    uint8_t zigzag_scan8x8[64];
-    uint8_t zigzag_scan8x8_cavlc[64];
-    uint8_t field_scan[16];
-    uint8_t field_scan8x8[64];
-    uint8_t field_scan8x8_cavlc[64];
-    const uint8_t *zigzag_scan_q0;
-    const uint8_t *zigzag_scan8x8_q0;
-    const uint8_t *zigzag_scan8x8_cavlc_q0;
-    const uint8_t *field_scan_q0;
-    const uint8_t *field_scan8x8_q0;
-    const uint8_t *field_scan8x8_cavlc_q0;
-
-    int x264_build;
-}H264Context;
-
-static VLC coeff_token_vlc[4];
-static VLC chroma_dc_coeff_token_vlc;
-
-static VLC total_zeros_vlc[15];
-static VLC chroma_dc_total_zeros_vlc[3];
-
-static VLC run_vlc[6];
-static VLC run7_vlc;
-
-static void svq3_luma_dc_dequant_idct_c(DCTELEM *block, int qp);
-static void svq3_add_idct_c(uint8_t *dst, DCTELEM *block, int stride, int qp, int dc);
-static void filter_mb( H264Context *h, int mb_x, int mb_y, uint8_t *img_y, uint8_t *img_cb, uint8_t *img_cr, unsigned int linesize, unsigned int uvlinesize);
-static void filter_mb_fast( H264Context *h, int mb_x, int mb_y, uint8_t *img_y, uint8_t *img_cb, uint8_t *img_cr, unsigned int linesize, unsigned int uvlinesize);
-
-static av_always_inline uint32_t pack16to32(int a, int b){
-#ifdef WORDS_BIGENDIAN
-   return (b&0xFFFF) + (a<<16);
-#else
-   return (a&0xFFFF) + (b<<16);
-#endif
-}
-
-const uint8_t ff_rem6[52]={
-0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3,
-};
-
-const uint8_t ff_div6[52]={
-0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 8, 8, 8, 8,
-};
-
-
-/**
- * fill a rectangle.
- * @param h height of the rectangle, should be a constant
- * @param w width of the rectangle, should be a constant
- * @param size the size of val (1 or 4), should be a constant
- */
-static av_always_inline void fill_rectangle(void *vp, int w, int h, int stride, uint32_t val, int size){
-    uint8_t *p= (uint8_t*)vp;
-    assert(size==1 || size==4);
-    assert(w<=4);
-
-    w      *= size;
-    stride *= size;
-
-    assert((((long)vp)&(FFMIN(w, STRIDE_ALIGN)-1)) == 0);
-    assert((stride&(w-1))==0);
-    if(w==2){
-        const uint16_t v= size==4 ? val : val*0x0101;
-        *(uint16_t*)(p + 0*stride)= v;
-        if(h==1) return;
-        *(uint16_t*)(p + 1*stride)= v;
-        if(h==2) return;
-        *(uint16_t*)(p + 2*stride)=
-        *(uint16_t*)(p + 3*stride)= v;
-    }else if(w==4){
-        const uint32_t v= size==4 ? val : val*0x01010101;
-        *(uint32_t*)(p + 0*stride)= v;
-        if(h==1) return;
-        *(uint32_t*)(p + 1*stride)= v;
-        if(h==2) return;
-        *(uint32_t*)(p + 2*stride)=
-        *(uint32_t*)(p + 3*stride)= v;
-    }else if(w==8){
-    //gcc can't optimize 64bit math on x86_32
-#if defined(ARCH_X86_64) || (defined(MP_WORDSIZE) && MP_WORDSIZE >= 64)
-        const uint64_t v= val*0x0100000001ULL;
-        *(uint64_t*)(p + 0*stride)= v;
-        if(h==1) return;
-        *(uint64_t*)(p + 1*stride)= v;
-        if(h==2) return;
-        *(uint64_t*)(p + 2*stride)=
-        *(uint64_t*)(p + 3*stride)= v;
-    }else if(w==16){
-        const uint64_t v= val*0x0100000001ULL;
-        *(uint64_t*)(p + 0+0*stride)=
-        *(uint64_t*)(p + 8+0*stride)=
-        *(uint64_t*)(p + 0+1*stride)=
-        *(uint64_t*)(p + 8+1*stride)= v;
-        if(h==2) return;
-        *(uint64_t*)(p + 0+2*stride)=
-        *(uint64_t*)(p + 8+2*stride)=
-        *(uint64_t*)(p + 0+3*stride)=
-        *(uint64_t*)(p + 8+3*stride)= v;
-#else
-        *(uint32_t*)(p + 0+0*stride)=
-        *(uint32_t*)(p + 4+0*stride)= val;
-        if(h==1) return;
-        *(uint32_t*)(p + 0+1*stride)=
-        *(uint32_t*)(p + 4+1*stride)= val;
-        if(h==2) return;
-        *(uint32_t*)(p + 0+2*stride)=
-        *(uint32_t*)(p + 4+2*stride)=
-        *(uint32_t*)(p + 0+3*stride)=
-        *(uint32_t*)(p + 4+3*stride)= val;
-    }else if(w==16){
-        *(uint32_t*)(p + 0+0*stride)=
-        *(uint32_t*)(p + 4+0*stride)=
-        *(uint32_t*)(p + 8+0*stride)=
-        *(uint32_t*)(p +12+0*stride)=
-        *(uint32_t*)(p + 0+1*stride)=
-        *(uint32_t*)(p + 4+1*stride)=
-        *(uint32_t*)(p + 8+1*stride)=
-        *(uint32_t*)(p +12+1*stride)= val;
-        if(h==2) return;
-        *(uint32_t*)(p + 0+2*stride)=
-        *(uint32_t*)(p + 4+2*stride)=
-        *(uint32_t*)(p + 8+2*stride)=
-        *(uint32_t*)(p +12+2*stride)=
-        *(uint32_t*)(p + 0+3*stride)=
-        *(uint32_t*)(p + 4+3*stride)=
-        *(uint32_t*)(p + 8+3*stride)=
-        *(uint32_t*)(p +12+3*stride)= val;
-#endif
-    }else
-        assert(0);
-    assert(h==4);
-}
-
-static void fill_caches(H264Context *h, int mb_type, int for_deblock){
-    MpegEncContext * const s = &h->s;
-    const int mb_xy= s->mb_x + s->mb_y*s->mb_stride;
-    int topleft_xy, top_xy, topright_xy, left_xy[2];
-    int topleft_type, top_type, topright_type, left_type[2];
-    int left_block[8];
-    int i;
-
-    //FIXME deblocking could skip the intra and nnz parts.
-    if(for_deblock && (h->slice_num == 1 || h->slice_table[mb_xy] == h->slice_table[mb_xy-s->mb_stride]) && !FRAME_MBAFF)
-        return;
-
-    //wow what a mess, why didn't they simplify the interlacing&intra stuff, i can't imagine that these complex rules are worth it
-
-    top_xy     = mb_xy  - s->mb_stride;
-    topleft_xy = top_xy - 1;
-    topright_xy= top_xy + 1;
-    left_xy[1] = left_xy[0] = mb_xy-1;
-    left_block[0]= 0;
-    left_block[1]= 1;
-    left_block[2]= 2;
-    left_block[3]= 3;
-    left_block[4]= 7;
-    left_block[5]= 10;
-    left_block[6]= 8;
-    left_block[7]= 11;
-    if(FRAME_MBAFF){
-        const int pair_xy          = s->mb_x     + (s->mb_y & ~1)*s->mb_stride;
-        const int top_pair_xy      = pair_xy     - s->mb_stride;
-        const int topleft_pair_xy  = top_pair_xy - 1;
-        const int topright_pair_xy = top_pair_xy + 1;
-        const int topleft_mb_frame_flag  = !IS_INTERLACED(s->current_picture.mb_type[topleft_pair_xy]);
-        const int top_mb_frame_flag      = !IS_INTERLACED(s->current_picture.mb_type[top_pair_xy]);
-        const int topright_mb_frame_flag = !IS_INTERLACED(s->current_picture.mb_type[topright_pair_xy]);
-        const int left_mb_frame_flag = !IS_INTERLACED(s->current_picture.mb_type[pair_xy-1]);
-        const int curr_mb_frame_flag = !IS_INTERLACED(mb_type);
-        const int bottom = (s->mb_y & 1);
-        tprintf(s->avctx, "fill_caches: curr_mb_frame_flag:%d, left_mb_frame_flag:%d, topleft_mb_frame_flag:%d, top_mb_frame_flag:%d, topright_mb_frame_flag:%d\n", curr_mb_frame_flag, left_mb_frame_flag, topleft_mb_frame_flag, top_mb_frame_flag, topright_mb_frame_flag);
-        if (bottom
-                ? !curr_mb_frame_flag // bottom macroblock
-                : (!curr_mb_frame_flag && !top_mb_frame_flag) // top macroblock
-                ) {
-            top_xy -= s->mb_stride;
-        }
-        if (bottom
-                ? !curr_mb_frame_flag // bottom macroblock
-                : (!curr_mb_frame_flag && !topleft_mb_frame_flag) // top macroblock
-                ) {
-            topleft_xy -= s->mb_stride;
-        }
-        if (bottom
-                ? !curr_mb_frame_flag // bottom macroblock
-                : (!curr_mb_frame_flag && !topright_mb_frame_flag) // top macroblock
-                ) {
-            topright_xy -= s->mb_stride;
-        }
-        if (left_mb_frame_flag != curr_mb_frame_flag) {
-            left_xy[1] = left_xy[0] = pair_xy - 1;
-            if (curr_mb_frame_flag) {
-                if (bottom) {
-                    left_block[0]= 2;
-                    left_block[1]= 2;
-                    left_block[2]= 3;
-                    left_block[3]= 3;
-                    left_block[4]= 8;
-                    left_block[5]= 11;
-                    left_block[6]= 8;
-                    left_block[7]= 11;
-                } else {
-                    left_block[0]= 0;
-                    left_block[1]= 0;
-                    left_block[2]= 1;
-                    left_block[3]= 1;
-                    left_block[4]= 7;
-                    left_block[5]= 10;
-                    left_block[6]= 7;
-                    left_block[7]= 10;
-                }
-            } else {
-                left_xy[1] += s->mb_stride;
-                //left_block[0]= 0;
-                left_block[1]= 2;
-                left_block[2]= 0;
-                left_block[3]= 2;
-                //left_block[4]= 7;
-                left_block[5]= 10;
-                left_block[6]= 7;
-                left_block[7]= 10;
-            }
-        }
-    }
-
-    h->top_mb_xy = top_xy;
-    h->left_mb_xy[0] = left_xy[0];
-    h->left_mb_xy[1] = left_xy[1];
-    if(for_deblock){
-        topleft_type = 0;
-        topright_type = 0;
-        top_type     = h->slice_table[top_xy     ] < 255 ? s->current_picture.mb_type[top_xy]     : 0;
-        left_type[0] = h->slice_table[left_xy[0] ] < 255 ? s->current_picture.mb_type[left_xy[0]] : 0;
-        left_type[1] = h->slice_table[left_xy[1] ] < 255 ? s->current_picture.mb_type[left_xy[1]] : 0;
-
-        if(FRAME_MBAFF && !IS_INTRA(mb_type)){
-            int list;
-            int v = *(uint16_t*)&h->non_zero_count[mb_xy][14];
-            for(i=0; i<16; i++)
-                h->non_zero_count_cache[scan8[i]] = (v>>i)&1;
-            for(list=0; list<h->list_count; list++){
-                if(USES_LIST(mb_type,list)){
-                    uint32_t *src = (uint32_t*)s->current_picture.motion_val[list][h->mb2b_xy[mb_xy]];
-                    uint32_t *dst = (uint32_t*)h->mv_cache[list][scan8[0]];
-                    int8_t *ref = &s->current_picture.ref_index[list][h->mb2b8_xy[mb_xy]];
-                    for(i=0; i<4; i++, dst+=8, src+=h->b_stride){
-                        dst[0] = src[0];
-                        dst[1] = src[1];
-                        dst[2] = src[2];
-                        dst[3] = src[3];
-                    }
-                    *(uint32_t*)&h->ref_cache[list][scan8[ 0]] =
-                    *(uint32_t*)&h->ref_cache[list][scan8[ 2]] = pack16to32(ref[0],ref[1])*0x0101;
-                    ref += h->b8_stride;
-                    *(uint32_t*)&h->ref_cache[list][scan8[ 8]] =
-                    *(uint32_t*)&h->ref_cache[list][scan8[10]] = pack16to32(ref[0],ref[1])*0x0101;
-                }else{
-                    fill_rectangle(&h-> mv_cache[list][scan8[ 0]], 4, 4, 8, 0, 4);
-                    fill_rectangle(&h->ref_cache[list][scan8[ 0]], 4, 4, 8, (uint8_t)LIST_NOT_USED, 1);
-                }
-            }
-        }
-    }else{
-        topleft_type = h->slice_table[topleft_xy ] == h->slice_num ? s->current_picture.mb_type[topleft_xy] : 0;
-        top_type     = h->slice_table[top_xy     ] == h->slice_num ? s->current_picture.mb_type[top_xy]     : 0;
-        topright_type= h->slice_table[topright_xy] == h->slice_num ? s->current_picture.mb_type[topright_xy]: 0;
-        left_type[0] = h->slice_table[left_xy[0] ] == h->slice_num ? s->current_picture.mb_type[left_xy[0]] : 0;
-        left_type[1] = h->slice_table[left_xy[1] ] == h->slice_num ? s->current_picture.mb_type[left_xy[1]] : 0;
-    }
-
-    if(IS_INTRA(mb_type)){
-        h->topleft_samples_available=
-        h->top_samples_available=
-        h->left_samples_available= 0xFFFF;
-        h->topright_samples_available= 0xEEEA;
-
-        if(!IS_INTRA(top_type) && (top_type==0 || h->pps.constrained_intra_pred)){
-            h->topleft_samples_available= 0xB3FF;
-            h->top_samples_available= 0x33FF;
-            h->topright_samples_available= 0x26EA;
-        }
-        for(i=0; i<2; i++){
-            if(!IS_INTRA(left_type[i]) && (left_type[i]==0 || h->pps.constrained_intra_pred)){
-                h->topleft_samples_available&= 0xDF5F;
-                h->left_samples_available&= 0x5F5F;
-            }
-        }
-
-        if(!IS_INTRA(topleft_type) && (topleft_type==0 || h->pps.constrained_intra_pred))
-            h->topleft_samples_available&= 0x7FFF;
-
-        if(!IS_INTRA(topright_type) && (topright_type==0 || h->pps.constrained_intra_pred))
-            h->topright_samples_available&= 0xFBFF;
-
-        if(IS_INTRA4x4(mb_type)){
-            if(IS_INTRA4x4(top_type)){
-                h->intra4x4_pred_mode_cache[4+8*0]= h->intra4x4_pred_mode[top_xy][4];
-                h->intra4x4_pred_mode_cache[5+8*0]= h->intra4x4_pred_mode[top_xy][5];
-                h->intra4x4_pred_mode_cache[6+8*0]= h->intra4x4_pred_mode[top_xy][6];
-                h->intra4x4_pred_mode_cache[7+8*0]= h->intra4x4_pred_mode[top_xy][3];
-            }else{
-                int pred;
-                if(!top_type || (IS_INTER(top_type) && h->pps.constrained_intra_pred))
-                    pred= -1;
-                else{
-                    pred= 2;
-                }
-                h->intra4x4_pred_mode_cache[4+8*0]=
-                h->intra4x4_pred_mode_cache[5+8*0]=
-                h->intra4x4_pred_mode_cache[6+8*0]=
-                h->intra4x4_pred_mode_cache[7+8*0]= pred;
-            }
-            for(i=0; i<2; i++){
-                if(IS_INTRA4x4(left_type[i])){
-                    h->intra4x4_pred_mode_cache[3+8*1 + 2*8*i]= h->intra4x4_pred_mode[left_xy[i]][left_block[0+2*i]];
-                    h->intra4x4_pred_mode_cache[3+8*2 + 2*8*i]= h->intra4x4_pred_mode[left_xy[i]][left_block[1+2*i]];
-                }else{
-                    int pred;
-                    if(!left_type[i] || (IS_INTER(left_type[i]) && h->pps.constrained_intra_pred))
-                        pred= -1;
-                    else{
-                        pred= 2;
-                    }
-                    h->intra4x4_pred_mode_cache[3+8*1 + 2*8*i]=
-                    h->intra4x4_pred_mode_cache[3+8*2 + 2*8*i]= pred;
-                }
-            }
-        }
-    }
-
-
-/*
-0 . T T. T T T T
-1 L . .L . . . .
-2 L . .L . . . .
-3 . T TL . . . .
-4 L . .L . . . .
-5 L . .. . . . .
-*/
-//FIXME constraint_intra_pred & partitioning & nnz (lets hope this is just a typo in the spec)
-    if(top_type){
-        h->non_zero_count_cache[4+8*0]= h->non_zero_count[top_xy][4];
-        h->non_zero_count_cache[5+8*0]= h->non_zero_count[top_xy][5];
-        h->non_zero_count_cache[6+8*0]= h->non_zero_count[top_xy][6];
-        h->non_zero_count_cache[7+8*0]= h->non_zero_count[top_xy][3];
-
-        h->non_zero_count_cache[1+8*0]= h->non_zero_count[top_xy][9];
-        h->non_zero_count_cache[2+8*0]= h->non_zero_count[top_xy][8];
-
-        h->non_zero_count_cache[1+8*3]= h->non_zero_count[top_xy][12];
-        h->non_zero_count_cache[2+8*3]= h->non_zero_count[top_xy][11];
-
-    }else{
-        h->non_zero_count_cache[4+8*0]=
-        h->non_zero_count_cache[5+8*0]=
-        h->non_zero_count_cache[6+8*0]=
-        h->non_zero_count_cache[7+8*0]=
-
-        h->non_zero_count_cache[1+8*0]=
-        h->non_zero_count_cache[2+8*0]=
-
-        h->non_zero_count_cache[1+8*3]=
-        h->non_zero_count_cache[2+8*3]= h->pps.cabac && !IS_INTRA(mb_type) ? 0 : 64;
-
-    }
-
-    for (i=0; i<2; i++) {
-        if(left_type[i]){
-            h->non_zero_count_cache[3+8*1 + 2*8*i]= h->non_zero_count[left_xy[i]][left_block[0+2*i]];
-            h->non_zero_count_cache[3+8*2 + 2*8*i]= h->non_zero_count[left_xy[i]][left_block[1+2*i]];
-            h->non_zero_count_cache[0+8*1 +   8*i]= h->non_zero_count[left_xy[i]][left_block[4+2*i]];
-            h->non_zero_count_cache[0+8*4 +   8*i]= h->non_zero_count[left_xy[i]][left_block[5+2*i]];
-        }else{
-            h->non_zero_count_cache[3+8*1 + 2*8*i]=
-            h->non_zero_count_cache[3+8*2 + 2*8*i]=
-            h->non_zero_count_cache[0+8*1 +   8*i]=
-            h->non_zero_count_cache[0+8*4 +   8*i]= h->pps.cabac && !IS_INTRA(mb_type) ? 0 : 64;
-        }
-    }
-
-    if( h->pps.cabac ) {
-        // top_cbp
-        if(top_type) {
-            h->top_cbp = h->cbp_table[top_xy];
-        } else if(IS_INTRA(mb_type)) {
-            h->top_cbp = 0x1C0;
-        } else {
-            h->top_cbp = 0;
-        }
-        // left_cbp
-        if (left_type[0]) {
-            h->left_cbp = h->cbp_table[left_xy[0]] & 0x1f0;
-        } else if(IS_INTRA(mb_type)) {
-            h->left_cbp = 0x1C0;
-        } else {
-            h->left_cbp = 0;
-        }
-        if (left_type[0]) {
-            h->left_cbp |= ((h->cbp_table[left_xy[0]]>>((left_block[0]&(~1))+1))&0x1) << 1;
-        }
-        if (left_type[1]) {
-            h->left_cbp |= ((h->cbp_table[left_xy[1]]>>((left_block[2]&(~1))+1))&0x1) << 3;
-        }
-    }
-
-#if 1
-    if(IS_INTER(mb_type) || IS_DIRECT(mb_type)){
-        int list;
-        for(list=0; list<h->list_count; list++){
-            if(!USES_LIST(mb_type, list) && !IS_DIRECT(mb_type) && !h->deblocking_filter){
-                /*if(!h->mv_cache_clean[list]){
-                    memset(h->mv_cache [list],  0, 8*5*2*sizeof(int16_t)); //FIXME clean only input? clean at all?
-                    memset(h->ref_cache[list], PART_NOT_AVAILABLE, 8*5*sizeof(int8_t));
-                    h->mv_cache_clean[list]= 1;
-                }*/
-                continue;
-            }
-            h->mv_cache_clean[list]= 0;
-
-            if(USES_LIST(top_type, list)){
-                const int b_xy= h->mb2b_xy[top_xy] + 3*h->b_stride;
-                const int b8_xy= h->mb2b8_xy[top_xy] + h->b8_stride;
-                *(uint32_t*)h->mv_cache[list][scan8[0] + 0 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + 0];
-                *(uint32_t*)h->mv_cache[list][scan8[0] + 1 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + 1];
-                *(uint32_t*)h->mv_cache[list][scan8[0] + 2 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + 2];
-                *(uint32_t*)h->mv_cache[list][scan8[0] + 3 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + 3];
-                h->ref_cache[list][scan8[0] + 0 - 1*8]=
-                h->ref_cache[list][scan8[0] + 1 - 1*8]= s->current_picture.ref_index[list][b8_xy + 0];
-                h->ref_cache[list][scan8[0] + 2 - 1*8]=
-                h->ref_cache[list][scan8[0] + 3 - 1*8]= s->current_picture.ref_index[list][b8_xy + 1];
-            }else{
-                *(uint32_t*)h->mv_cache [list][scan8[0] + 0 - 1*8]=
-                *(uint32_t*)h->mv_cache [list][scan8[0] + 1 - 1*8]=
-                *(uint32_t*)h->mv_cache [list][scan8[0] + 2 - 1*8]=
-                *(uint32_t*)h->mv_cache [list][scan8[0] + 3 - 1*8]= 0;
-                *(uint32_t*)&h->ref_cache[list][scan8[0] + 0 - 1*8]= ((top_type ? LIST_NOT_USED : PART_NOT_AVAILABLE)&0xFF)*0x01010101;
-            }
-
-            for(i=0; i<2; i++){
-                int cache_idx = scan8[0] - 1 + i*2*8;
-                if(USES_LIST(left_type[i], list)){
-                    const int b_xy= h->mb2b_xy[left_xy[i]] + 3;
-                    const int b8_xy= h->mb2b8_xy[left_xy[i]] + 1;
-                    *(uint32_t*)h->mv_cache[list][cache_idx  ]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + h->b_stride*left_block[0+i*2]];
-                    *(uint32_t*)h->mv_cache[list][cache_idx+8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + h->b_stride*left_block[1+i*2]];
-                    h->ref_cache[list][cache_idx  ]= s->current_picture.ref_index[list][b8_xy + h->b8_stride*(left_block[0+i*2]>>1)];
-                    h->ref_cache[list][cache_idx+8]= s->current_picture.ref_index[list][b8_xy + h->b8_stride*(left_block[1+i*2]>>1)];
-                }else{
-                    *(uint32_t*)h->mv_cache [list][cache_idx  ]=
-                    *(uint32_t*)h->mv_cache [list][cache_idx+8]= 0;
-                    h->ref_cache[list][cache_idx  ]=
-                    h->ref_cache[list][cache_idx+8]= left_type[i] ? LIST_NOT_USED : PART_NOT_AVAILABLE;
-                }
-            }
-
-            if((for_deblock || (IS_DIRECT(mb_type) && !h->direct_spatial_mv_pred)) && !FRAME_MBAFF)
-                continue;
-
-            if(USES_LIST(topleft_type, list)){
-                const int b_xy = h->mb2b_xy[topleft_xy] + 3 + 3*h->b_stride;
-                const int b8_xy= h->mb2b8_xy[topleft_xy] + 1 + h->b8_stride;
-                *(uint32_t*)h->mv_cache[list][scan8[0] - 1 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy];
-                h->ref_cache[list][scan8[0] - 1 - 1*8]= s->current_picture.ref_index[list][b8_xy];
-            }else{
-                *(uint32_t*)h->mv_cache[list][scan8[0] - 1 - 1*8]= 0;
-                h->ref_cache[list][scan8[0] - 1 - 1*8]= topleft_type ? LIST_NOT_USED : PART_NOT_AVAILABLE;
-            }
-
-            if(USES_LIST(topright_type, list)){
-                const int b_xy= h->mb2b_xy[topright_xy] + 3*h->b_stride;
-                const int b8_xy= h->mb2b8_xy[topright_xy] + h->b8_stride;
-                *(uint32_t*)h->mv_cache[list][scan8[0] + 4 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy];
-                h->ref_cache[list][scan8[0] + 4 - 1*8]= s->current_picture.ref_index[list][b8_xy];
-            }else{
-                *(uint32_t*)h->mv_cache [list][scan8[0] + 4 - 1*8]= 0;
-                h->ref_cache[list][scan8[0] + 4 - 1*8]= topright_type ? LIST_NOT_USED : PART_NOT_AVAILABLE;
-            }
-
-            if((IS_SKIP(mb_type) || IS_DIRECT(mb_type)) && !FRAME_MBAFF)
-                continue;
-
-            h->ref_cache[list][scan8[5 ]+1] =
-            h->ref_cache[list][scan8[7 ]+1] =
-            h->ref_cache[list][scan8[13]+1] =  //FIXME remove past 3 (init somewhere else)
-            h->ref_cache[list][scan8[4 ]] =
-            h->ref_cache[list][scan8[12]] = PART_NOT_AVAILABLE;
-            *(uint32_t*)h->mv_cache [list][scan8[5 ]+1]=
-            *(uint32_t*)h->mv_cache [list][scan8[7 ]+1]=
-            *(uint32_t*)h->mv_cache [list][scan8[13]+1]= //FIXME remove past 3 (init somewhere else)
-            *(uint32_t*)h->mv_cache [list][scan8[4 ]]=
-            *(uint32_t*)h->mv_cache [list][scan8[12]]= 0;
-
-            if( h->pps.cabac ) {
-                /* XXX beurk, Load mvd */
-                if(USES_LIST(top_type, list)){
-                    const int b_xy= h->mb2b_xy[top_xy] + 3*h->b_stride;
-                    *(uint32_t*)h->mvd_cache[list][scan8[0] + 0 - 1*8]= *(uint32_t*)h->mvd_table[list][b_xy + 0];
-                    *(uint32_t*)h->mvd_cache[list][scan8[0] + 1 - 1*8]= *(uint32_t*)h->mvd_table[list][b_xy + 1];
-                    *(uint32_t*)h->mvd_cache[list][scan8[0] + 2 - 1*8]= *(uint32_t*)h->mvd_table[list][b_xy + 2];
-                    *(uint32_t*)h->mvd_cache[list][scan8[0] + 3 - 1*8]= *(uint32_t*)h->mvd_table[list][b_xy + 3];
-                }else{
-                    *(uint32_t*)h->mvd_cache [list][scan8[0] + 0 - 1*8]=
-                    *(uint32_t*)h->mvd_cache [list][scan8[0] + 1 - 1*8]=
-                    *(uint32_t*)h->mvd_cache [list][scan8[0] + 2 - 1*8]=
-                    *(uint32_t*)h->mvd_cache [list][scan8[0] + 3 - 1*8]= 0;
-                }
-                if(USES_LIST(left_type[0], list)){
-                    const int b_xy= h->mb2b_xy[left_xy[0]] + 3;
-                    *(uint32_t*)h->mvd_cache[list][scan8[0] - 1 + 0*8]= *(uint32_t*)h->mvd_table[list][b_xy + h->b_stride*left_block[0]];
-                    *(uint32_t*)h->mvd_cache[list][scan8[0] - 1 + 1*8]= *(uint32_t*)h->mvd_table[list][b_xy + h->b_stride*left_block[1]];
-                }else{
-                    *(uint32_t*)h->mvd_cache [list][scan8[0] - 1 + 0*8]=
-                    *(uint32_t*)h->mvd_cache [list][scan8[0] - 1 + 1*8]= 0;
-                }
-                if(USES_LIST(left_type[1], list)){
-                    const int b_xy= h->mb2b_xy[left_xy[1]] + 3;
-                    *(uint32_t*)h->mvd_cache[list][scan8[0] - 1 + 2*8]= *(uint32_t*)h->mvd_table[list][b_xy + h->b_stride*left_block[2]];
-                    *(uint32_t*)h->mvd_cache[list][scan8[0] - 1 + 3*8]= *(uint32_t*)h->mvd_table[list][b_xy + h->b_stride*left_block[3]];
-                }else{
-                    *(uint32_t*)h->mvd_cache [list][scan8[0] - 1 + 2*8]=
-                    *(uint32_t*)h->mvd_cache [list][scan8[0] - 1 + 3*8]= 0;
-                }
-                *(uint32_t*)h->mvd_cache [list][scan8[5 ]+1]=
-                *(uint32_t*)h->mvd_cache [list][scan8[7 ]+1]=
-                *(uint32_t*)h->mvd_cache [list][scan8[13]+1]= //FIXME remove past 3 (init somewhere else)
-                *(uint32_t*)h->mvd_cache [list][scan8[4 ]]=
-                *(uint32_t*)h->mvd_cache [list][scan8[12]]= 0;
-
-                if(h->slice_type == B_TYPE){
-                    fill_rectangle(&h->direct_cache[scan8[0]], 4, 4, 8, 0, 1);
-
-                    if(IS_DIRECT(top_type)){
-                        *(uint32_t*)&h->direct_cache[scan8[0] - 1*8]= 0x01010101;
-                    }else if(IS_8X8(top_type)){
-                        int b8_xy = h->mb2b8_xy[top_xy] + h->b8_stride;
-                        h->direct_cache[scan8[0] + 0 - 1*8]= h->direct_table[b8_xy];
-                        h->direct_cache[scan8[0] + 2 - 1*8]= h->direct_table[b8_xy + 1];
-                    }else{
-                        *(uint32_t*)&h->direct_cache[scan8[0] - 1*8]= 0;
-                    }
-
-                    if(IS_DIRECT(left_type[0]))
-                        h->direct_cache[scan8[0] - 1 + 0*8]= 1;
-                    else if(IS_8X8(left_type[0]))
-                        h->direct_cache[scan8[0] - 1 + 0*8]= h->direct_table[h->mb2b8_xy[left_xy[0]] + 1 + h->b8_stride*(left_block[0]>>1)];
-                    else
-                        h->direct_cache[scan8[0] - 1 + 0*8]= 0;
-
-                    if(IS_DIRECT(left_type[1]))
-                        h->direct_cache[scan8[0] - 1 + 2*8]= 1;
-                    else if(IS_8X8(left_type[1]))
-                        h->direct_cache[scan8[0] - 1 + 2*8]= h->direct_table[h->mb2b8_xy[left_xy[1]] + 1 + h->b8_stride*(left_block[2]>>1)];
-                    else
-                        h->direct_cache[scan8[0] - 1 + 2*8]= 0;
-                }
-            }
-
-            if(FRAME_MBAFF){
-#define MAP_MVS\
-                    MAP_F2F(scan8[0] - 1 - 1*8, topleft_type)\
-                    MAP_F2F(scan8[0] + 0 - 1*8, top_type)\
-                    MAP_F2F(scan8[0] + 1 - 1*8, top_type)\
-                    MAP_F2F(scan8[0] + 2 - 1*8, top_type)\
-                    MAP_F2F(scan8[0] + 3 - 1*8, top_type)\
-                    MAP_F2F(scan8[0] + 4 - 1*8, topright_type)\
-                    MAP_F2F(scan8[0] - 1 + 0*8, left_type[0])\
-                    MAP_F2F(scan8[0] - 1 + 1*8, left_type[0])\
-                    MAP_F2F(scan8[0] - 1 + 2*8, left_type[1])\
-                    MAP_F2F(scan8[0] - 1 + 3*8, left_type[1])
-                if(MB_FIELD){
-#define MAP_F2F(idx, mb_type)\
-                    if(!IS_INTERLACED(mb_type) && h->ref_cache[list][idx] >= 0){\
-                        h->ref_cache[list][idx] <<= 1;\
-                        h->mv_cache[list][idx][1] /= 2;\
-                        h->mvd_cache[list][idx][1] /= 2;\
-                    }
-                    MAP_MVS
-#undef MAP_F2F
-                }else{
-#define MAP_F2F(idx, mb_type)\
-                    if(IS_INTERLACED(mb_type) && h->ref_cache[list][idx] >= 0){\
-                        h->ref_cache[list][idx] >>= 1;\
-                        h->mv_cache[list][idx][1] <<= 1;\
-                        h->mvd_cache[list][idx][1] <<= 1;\
-                    }
-                    MAP_MVS
-#undef MAP_F2F
-                }
-            }
-        }
-    }
-#endif
-
-    h->neighbor_transform_size= !!IS_8x8DCT(top_type) + !!IS_8x8DCT(left_type[0]);
-}
-
-static inline void write_back_intra_pred_mode(H264Context *h){
-    MpegEncContext * const s = &h->s;
-    const int mb_xy= s->mb_x + s->mb_y*s->mb_stride;
-
-    h->intra4x4_pred_mode[mb_xy][0]= h->intra4x4_pred_mode_cache[7+8*1];
-    h->intra4x4_pred_mode[mb_xy][1]= h->intra4x4_pred_mode_cache[7+8*2];
-    h->intra4x4_pred_mode[mb_xy][2]= h->intra4x4_pred_mode_cache[7+8*3];
-    h->intra4x4_pred_mode[mb_xy][3]= h->intra4x4_pred_mode_cache[7+8*4];
-    h->intra4x4_pred_mode[mb_xy][4]= h->intra4x4_pred_mode_cache[4+8*4];
-    h->intra4x4_pred_mode[mb_xy][5]= h->intra4x4_pred_mode_cache[5+8*4];
-    h->intra4x4_pred_mode[mb_xy][6]= h->intra4x4_pred_mode_cache[6+8*4];
-}
-
-/**
- * checks if the top & left blocks are available if needed & changes the dc mode so it only uses the available blocks.
- */
-static inline int check_intra4x4_pred_mode(H264Context *h){
-    MpegEncContext * const s = &h->s;
-    static const int8_t top [12]= {-1, 0,LEFT_DC_PRED,-1,-1,-1,-1,-1, 0};
-    static const int8_t left[12]= { 0,-1, TOP_DC_PRED, 0,-1,-1,-1, 0,-1,DC_128_PRED};
-    int i;
-
-    if(!(h->top_samples_available&0x8000)){
-        for(i=0; i<4; i++){
-            int status= top[ h->intra4x4_pred_mode_cache[scan8[0] + i] ];
-            if(status<0){
-                av_log(h->s.avctx, AV_LOG_ERROR, "top block unavailable for requested intra4x4 mode %d at %d %d\n", status, s->mb_x, s->mb_y);
-                return -1;
-            } else if(status){
-                h->intra4x4_pred_mode_cache[scan8[0] + i]= status;
-            }
-        }
-    }
-
-    if(!(h->left_samples_available&0x8000)){
-        for(i=0; i<4; i++){
-            int status= left[ h->intra4x4_pred_mode_cache[scan8[0] + 8*i] ];
-            if(status<0){
-                av_log(h->s.avctx, AV_LOG_ERROR, "left block unavailable for requested intra4x4 mode %d at %d %d\n", status, s->mb_x, s->mb_y);
-                return -1;
-            } else if(status){
-                h->intra4x4_pred_mode_cache[scan8[0] + 8*i]= status;
-            }
-        }
-    }
-
-    return 0;
-} //FIXME cleanup like next
-
-/**
- * checks if the top & left blocks are available if needed & changes the dc mode so it only uses the available blocks.
- */
-static inline int check_intra_pred_mode(H264Context *h, int mode){
-    MpegEncContext * const s = &h->s;
-    static const int8_t top [7]= {LEFT_DC_PRED8x8, 1,-1,-1};
-    static const int8_t left[7]= { TOP_DC_PRED8x8,-1, 2,-1,DC_128_PRED8x8};
-
-    if(mode > 6U) {
-        av_log(h->s.avctx, AV_LOG_ERROR, "out of range intra chroma pred mode at %d %d\n", s->mb_x, s->mb_y);
-        return -1;
-    }
-
-    if(!(h->top_samples_available&0x8000)){
-        mode= top[ mode ];
-        if(mode<0){
-            av_log(h->s.avctx, AV_LOG_ERROR, "top block unavailable for requested intra mode at %d %d\n", s->mb_x, s->mb_y);
-            return -1;
-        }
-    }
-
-    if(!(h->left_samples_available&0x8000)){
-        mode= left[ mode ];
-        if(mode<0){
-            av_log(h->s.avctx, AV_LOG_ERROR, "left block unavailable for requested intra mode at %d %d\n", s->mb_x, s->mb_y);
-            return -1;
-        }
-    }
-
-    return mode;
-}
-
-/**
- * gets the predicted intra4x4 prediction mode.
- */
-static inline int pred_intra_mode(H264Context *h, int n){
-    const int index8= scan8[n];
-    const int left= h->intra4x4_pred_mode_cache[index8 - 1];
-    const int top = h->intra4x4_pred_mode_cache[index8 - 8];
-    const int min= FFMIN(left, top);
-
-    tprintf(h->s.avctx, "mode:%d %d min:%d\n", left ,top, min);
-
-    if(min<0) return DC_PRED;
-    else      return min;
-}
-
-static inline void write_back_non_zero_count(H264Context *h){
-    MpegEncContext * const s = &h->s;
-    const int mb_xy= s->mb_x + s->mb_y*s->mb_stride;
-
-    h->non_zero_count[mb_xy][0]= h->non_zero_count_cache[7+8*1];
-    h->non_zero_count[mb_xy][1]= h->non_zero_count_cache[7+8*2];
-    h->non_zero_count[mb_xy][2]= h->non_zero_count_cache[7+8*3];
-    h->non_zero_count[mb_xy][3]= h->non_zero_count_cache[7+8*4];
-    h->non_zero_count[mb_xy][4]= h->non_zero_count_cache[4+8*4];
-    h->non_zero_count[mb_xy][5]= h->non_zero_count_cache[5+8*4];
-    h->non_zero_count[mb_xy][6]= h->non_zero_count_cache[6+8*4];
-
-    h->non_zero_count[mb_xy][9]= h->non_zero_count_cache[1+8*2];
-    h->non_zero_count[mb_xy][8]= h->non_zero_count_cache[2+8*2];
-    h->non_zero_count[mb_xy][7]= h->non_zero_count_cache[2+8*1];
-
-    h->non_zero_count[mb_xy][12]=h->non_zero_count_cache[1+8*5];
-    h->non_zero_count[mb_xy][11]=h->non_zero_count_cache[2+8*5];
-    h->non_zero_count[mb_xy][10]=h->non_zero_count_cache[2+8*4];
-
-    if(FRAME_MBAFF){
-        // store all luma nnzs, for deblocking
-        int v = 0, i;
-        for(i=0; i<16; i++)
-            v += (!!h->non_zero_count_cache[scan8[i]]) << i;
-        *(uint16_t*)&h->non_zero_count[mb_xy][14] = v;
-    }
-}
-
-/**
- * gets the predicted number of non zero coefficients.
- * @param n block index
- */
-static inline int pred_non_zero_count(H264Context *h, int n){
-    const int index8= scan8[n];
-    const int left= h->non_zero_count_cache[index8 - 1];
-    const int top = h->non_zero_count_cache[index8 - 8];
-    int i= left + top;
-
-    if(i<64) i= (i+1)>>1;
-
-    tprintf(h->s.avctx, "pred_nnz L%X T%X n%d s%d P%X\n", left, top, n, scan8[n], i&31);
-
-    return i&31;
-}
-
-static inline int fetch_diagonal_mv(H264Context *h, const int16_t **C, int i, int list, int part_width){
-    const int topright_ref= h->ref_cache[list][ i - 8 + part_width ];
-    MpegEncContext *s = &h->s;
-
-    /* there is no consistent mapping of mvs to neighboring locations that will
-     * make mbaff happy, so we can't move all this logic to fill_caches */
-    if(FRAME_MBAFF){
-        const uint32_t *mb_types = s->current_picture_ptr->mb_type;
-        const int16_t *mv;
-        *(uint32_t*)h->mv_cache[list][scan8[0]-2] = 0;
-        *C = h->mv_cache[list][scan8[0]-2];
-
-        if(!MB_FIELD
-           && (s->mb_y&1) && i < scan8[0]+8 && topright_ref != PART_NOT_AVAILABLE){
-            int topright_xy = s->mb_x + (s->mb_y-1)*s->mb_stride + (i == scan8[0]+3);
-            if(IS_INTERLACED(mb_types[topright_xy])){
-#define SET_DIAG_MV(MV_OP, REF_OP, X4, Y4)\
-                const int x4 = X4, y4 = Y4;\
-                const int mb_type = mb_types[(x4>>2)+(y4>>2)*s->mb_stride];\
-                if(!USES_LIST(mb_type,list) && !IS_8X8(mb_type))\
-                    return LIST_NOT_USED;\
-                mv = s->current_picture_ptr->motion_val[list][x4 + y4*h->b_stride];\
-                h->mv_cache[list][scan8[0]-2][0] = mv[0];\
-                h->mv_cache[list][scan8[0]-2][1] = mv[1] MV_OP;\
-                return s->current_picture_ptr->ref_index[list][(x4>>1) + (y4>>1)*h->b8_stride] REF_OP;
-
-                SET_DIAG_MV(*2, >>1, s->mb_x*4+(i&7)-4+part_width, s->mb_y*4-1);
-            }
-        }
-        if(topright_ref == PART_NOT_AVAILABLE
-           && ((s->mb_y&1) || i >= scan8[0]+8) && (i&7)==4
-           && h->ref_cache[list][scan8[0]-1] != PART_NOT_AVAILABLE){
-            if(!MB_FIELD
-               && IS_INTERLACED(mb_types[h->left_mb_xy[0]])){
-                SET_DIAG_MV(*2, >>1, s->mb_x*4-1, (s->mb_y|1)*4+(s->mb_y&1)*2+(i>>4)-1);
-            }
-            if(MB_FIELD
-               && !IS_INTERLACED(mb_types[h->left_mb_xy[0]])
-               && i >= scan8[0]+8){
-                // leftshift will turn LIST_NOT_USED into PART_NOT_AVAILABLE, but that's ok.
-                SET_DIAG_MV(>>1, <<1, s->mb_x*4-1, (s->mb_y&~1)*4 - 1 + ((i-scan8[0])>>3)*2);
-            }
-        }
-#undef SET_DIAG_MV
-    }
-
-    if(topright_ref != PART_NOT_AVAILABLE){
-        *C= h->mv_cache[list][ i - 8 + part_width ];
-        return topright_ref;
-    }else{
-        tprintf(s->avctx, "topright MV not available\n");
-
-        *C= h->mv_cache[list][ i - 8 - 1 ];
-        return h->ref_cache[list][ i - 8 - 1 ];
-    }
-}
-
-/**
- * gets the predicted MV.
- * @param n the block index
- * @param part_width the width of the partition (4, 8,16) -> (1, 2, 4)
- * @param mx the x component of the predicted motion vector
- * @param my the y component of the predicted motion vector
- */
-static inline void pred_motion(H264Context * const h, int n, int part_width, int list, int ref, int * const mx, int * const my){
-    const int index8= scan8[n];
-    const int top_ref=      h->ref_cache[list][ index8 - 8 ];
-    const int left_ref=     h->ref_cache[list][ index8 - 1 ];
-    const int16_t * const A= h->mv_cache[list][ index8 - 1 ];
-    const int16_t * const B= h->mv_cache[list][ index8 - 8 ];
-    const int16_t * C;
-    int diagonal_ref, match_count;
-
-    assert(part_width==1 || part_width==2 || part_width==4);
-
-/* mv_cache
-  B . . A T T T T
-  U . . L . . , .
-  U . . L . . . .
-  U . . L . . , .
-  . . . L . . . .
-*/
-
-    diagonal_ref= fetch_diagonal_mv(h, &C, index8, list, part_width);
-    match_count= (diagonal_ref==ref) + (top_ref==ref) + (left_ref==ref);
-    tprintf(h->s.avctx, "pred_motion match_count=%d\n", match_count);
-    if(match_count > 1){ //most common
-        *mx= mid_pred(A[0], B[0], C[0]);
-        *my= mid_pred(A[1], B[1], C[1]);
-    }else if(match_count==1){
-        if(left_ref==ref){
-            *mx= A[0];
-            *my= A[1];
-        }else if(top_ref==ref){
-            *mx= B[0];
-            *my= B[1];
-        }else{
-            *mx= C[0];
-            *my= C[1];
-        }
-    }else{
-        if(top_ref == PART_NOT_AVAILABLE && diagonal_ref == PART_NOT_AVAILABLE && left_ref != PART_NOT_AVAILABLE){
-            *mx= A[0];
-            *my= A[1];
-        }else{
-            *mx= mid_pred(A[0], B[0], C[0]);
-            *my= mid_pred(A[1], B[1], C[1]);
-        }
-    }
-
-    tprintf(h->s.avctx, "pred_motion (%2d %2d %2d) (%2d %2d %2d) (%2d %2d %2d) -> (%2d %2d %2d) at %2d %2d %d list %d\n", top_ref, B[0], B[1],                    diagonal_ref, C[0], C[1], left_ref, A[0], A[1], ref, *mx, *my, h->s.mb_x, h->s.mb_y, n, list);
-}
-
-/**
- * gets the directionally predicted 16x8 MV.
- * @param n the block index
- * @param mx the x component of the predicted motion vector
- * @param my the y component of the predicted motion vector
- */
-static inline void pred_16x8_motion(H264Context * const h, int n, int list, int ref, int * const mx, int * const my){
-    if(n==0){
-        const int top_ref=      h->ref_cache[list][ scan8[0] - 8 ];
-        const int16_t * const B= h->mv_cache[list][ scan8[0] - 8 ];
-
-        tprintf(h->s.avctx, "pred_16x8: (%2d %2d %2d) at %2d %2d %d list %d\n", top_ref, B[0], B[1], h->s.mb_x, h->s.mb_y, n, list);
-
-        if(top_ref == ref){
-            *mx= B[0];
-            *my= B[1];
-            return;
-        }
-    }else{
-        const int left_ref=     h->ref_cache[list][ scan8[8] - 1 ];
-        const int16_t * const A= h->mv_cache[list][ scan8[8] - 1 ];
-
-        tprintf(h->s.avctx, "pred_16x8: (%2d %2d %2d) at %2d %2d %d list %d\n", left_ref, A[0], A[1], h->s.mb_x, h->s.mb_y, n, list);
-
-        if(left_ref == ref){
-            *mx= A[0];
-            *my= A[1];
-            return;
-        }
-    }
-
-    //RARE
-    pred_motion(h, n, 4, list, ref, mx, my);
-}
-
-/**
- * gets the directionally predicted 8x16 MV.
- * @param n the block index
- * @param mx the x component of the predicted motion vector
- * @param my the y component of the predicted motion vector
- */
-static inline void pred_8x16_motion(H264Context * const h, int n, int list, int ref, int * const mx, int * const my){
-    if(n==0){
-        const int left_ref=      h->ref_cache[list][ scan8[0] - 1 ];
-        const int16_t * const A=  h->mv_cache[list][ scan8[0] - 1 ];
-
-        tprintf(h->s.avctx, "pred_8x16: (%2d %2d %2d) at %2d %2d %d list %d\n", left_ref, A[0], A[1], h->s.mb_x, h->s.mb_y, n, list);
-
-        if(left_ref == ref){
-            *mx= A[0];
-            *my= A[1];
-            return;
-        }
-    }else{
-        const int16_t * C;
-        int diagonal_ref;
-
-        diagonal_ref= fetch_diagonal_mv(h, &C, scan8[4], list, 2);
-
-        tprintf(h->s.avctx, "pred_8x16: (%2d %2d %2d) at %2d %2d %d list %d\n", diagonal_ref, C[0], C[1], h->s.mb_x, h->s.mb_y, n, list);
-
-        if(diagonal_ref == ref){
-            *mx= C[0];
-            *my= C[1];
-            return;
-        }
-    }
-
-    //RARE
-    pred_motion(h, n, 2, list, ref, mx, my);
-}
-
-static inline void pred_pskip_motion(H264Context * const h, int * const mx, int * const my){
-    const int top_ref = h->ref_cache[0][ scan8[0] - 8 ];
-    const int left_ref= h->ref_cache[0][ scan8[0] - 1 ];
-
-    tprintf(h->s.avctx, "pred_pskip: (%d) (%d) at %2d %2d\n", top_ref, left_ref, h->s.mb_x, h->s.mb_y);
-
-    if(top_ref == PART_NOT_AVAILABLE || left_ref == PART_NOT_AVAILABLE
-       || (top_ref == 0  && *(uint32_t*)h->mv_cache[0][ scan8[0] - 8 ] == 0)
-       || (left_ref == 0 && *(uint32_t*)h->mv_cache[0][ scan8[0] - 1 ] == 0)){
-
-        *mx = *my = 0;
-        return;
-    }
-
-    pred_motion(h, 0, 4, 0, 0, mx, my);
-
-    return;
-}
-
-static inline void direct_dist_scale_factor(H264Context * const h){
-    const int poc = h->s.current_picture_ptr->poc;
-    const int poc1 = h->ref_list[1][0].poc;
-    int i;
-    for(i=0; i<h->ref_count[0]; i++){
-        int poc0 = h->ref_list[0][i].poc;
-        int td = av_clip(poc1 - poc0, -128, 127);
-        if(td == 0 /* FIXME || pic0 is a long-term ref */){
-            h->dist_scale_factor[i] = 256;
-        }else{
-            int tb = av_clip(poc - poc0, -128, 127);
-            int tx = (16384 + (FFABS(td) >> 1)) / td;
-            h->dist_scale_factor[i] = av_clip((tb*tx + 32) >> 6, -1024, 1023);
-        }
-    }
-    if(FRAME_MBAFF){
-        for(i=0; i<h->ref_count[0]; i++){
-            h->dist_scale_factor_field[2*i] =
-            h->dist_scale_factor_field[2*i+1] = h->dist_scale_factor[i];
-        }
-    }
-}
-static inline void direct_ref_list_init(H264Context * const h){
-    MpegEncContext * const s = &h->s;
-    Picture * const ref1 = &h->ref_list[1][0];
-    Picture * const cur = s->current_picture_ptr;
-    int list, i, j;
-    if(cur->pict_type == I_TYPE)
-        cur->ref_count[0] = 0;
-    if(cur->pict_type != B_TYPE)
-        cur->ref_count[1] = 0;
-    for(list=0; list<2; list++){
-        cur->ref_count[list] = h->ref_count[list];
-        for(j=0; j<h->ref_count[list]; j++)
-            cur->ref_poc[list][j] = h->ref_list[list][j].poc;
-    }
-    if(cur->pict_type != B_TYPE || h->direct_spatial_mv_pred)
-        return;
-    for(list=0; list<2; list++){
-        for(i=0; i<ref1->ref_count[list]; i++){
-            const int poc = ref1->ref_poc[list][i];
-            h->map_col_to_list0[list][i] = 0; /* bogus; fills in for missing frames */
-            for(j=0; j<h->ref_count[list]; j++)
-                if(h->ref_list[list][j].poc == poc){
-                    h->map_col_to_list0[list][i] = j;
-                    break;
-                }
-        }
-    }
-    if(FRAME_MBAFF){
-        for(list=0; list<2; list++){
-            for(i=0; i<ref1->ref_count[list]; i++){
-                j = h->map_col_to_list0[list][i];
-                h->map_col_to_list0_field[list][2*i] = 2*j;
-                h->map_col_to_list0_field[list][2*i+1] = 2*j+1;
-            }
-        }
-    }
-}
-
-static inline void pred_direct_motion(H264Context * const h, int *mb_type){
-    MpegEncContext * const s = &h->s;
-    const int mb_xy =   s->mb_x +   s->mb_y*s->mb_stride;
-    const int b8_xy = 2*s->mb_x + 2*s->mb_y*h->b8_stride;
-    const int b4_xy = 4*s->mb_x + 4*s->mb_y*h->b_stride;
-    const int mb_type_col = h->ref_list[1][0].mb_type[mb_xy];
-    const int16_t (*l1mv0)[2] = (const int16_t (*)[2]) &h->ref_list[1][0].motion_val[0][b4_xy];
-    const int16_t (*l1mv1)[2] = (const int16_t (*)[2]) &h->ref_list[1][0].motion_val[1][b4_xy];
-    const int8_t *l1ref0 = &h->ref_list[1][0].ref_index[0][b8_xy];
-    const int8_t *l1ref1 = &h->ref_list[1][0].ref_index[1][b8_xy];
-    const int is_b8x8 = IS_8X8(*mb_type);
-    unsigned int sub_mb_type;
-    int i8, i4;
-
-#define MB_TYPE_16x16_OR_INTRA (MB_TYPE_16x16|MB_TYPE_INTRA4x4|MB_TYPE_INTRA16x16|MB_TYPE_INTRA_PCM)
-    if(IS_8X8(mb_type_col) && !h->sps.direct_8x8_inference_flag){
-        /* FIXME save sub mb types from previous frames (or derive from MVs)
-         * so we know exactly what block size to use */
-        sub_mb_type = MB_TYPE_8x8|MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2; /* B_SUB_4x4 */
-        *mb_type =    MB_TYPE_8x8|MB_TYPE_L0L1;
-    }else if(!is_b8x8 && (mb_type_col & MB_TYPE_16x16_OR_INTRA)){
-        sub_mb_type = MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2; /* B_SUB_8x8 */
-        *mb_type =    MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2; /* B_16x16 */
-    }else{
-        sub_mb_type = MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2; /* B_SUB_8x8 */
-        *mb_type =    MB_TYPE_8x8|MB_TYPE_L0L1;
-    }
-    if(!is_b8x8)
-        *mb_type |= MB_TYPE_DIRECT2;
-    if(MB_FIELD)
-        *mb_type |= MB_TYPE_INTERLACED;
-
-    tprintf(s->avctx, "mb_type = %08x, sub_mb_type = %08x, is_b8x8 = %d, mb_type_col = %08x\n", *mb_type, sub_mb_type, is_b8x8, mb_type_col);
-
-    if(h->direct_spatial_mv_pred){
-        int ref[2];
-        int mv[2][2];
-        int list;
-
-        /* FIXME interlacing + spatial direct uses wrong colocated block positions */
-
-        /* ref = min(neighbors) */
-        for(list=0; list<2; list++){
-            int refa = h->ref_cache[list][scan8[0] - 1];
-            int refb = h->ref_cache[list][scan8[0] - 8];
-            int refc = h->ref_cache[list][scan8[0] - 8 + 4];
-            if(refc == -2)
-                refc = h->ref_cache[list][scan8[0] - 8 - 1];
-            ref[list] = refa;
-            if(ref[list] < 0 || (refb < ref[list] && refb >= 0))
-                ref[list] = refb;
-            if(ref[list] < 0 || (refc < ref[list] && refc >= 0))
-                ref[list] = refc;
-            if(ref[list] < 0)
-                ref[list] = -1;
-        }
-
-        if(ref[0] < 0 && ref[1] < 0){
-            ref[0] = ref[1] = 0;
-            mv[0][0] = mv[0][1] =
-            mv[1][0] = mv[1][1] = 0;
-        }else{
-            for(list=0; list<2; list++){
-                if(ref[list] >= 0)
-                    pred_motion(h, 0, 4, list, ref[list], &mv[list][0], &mv[list][1]);
-                else
-                    mv[list][0] = mv[list][1] = 0;
-            }
-        }
-
-        if(ref[1] < 0){
-            *mb_type &= ~MB_TYPE_P0L1;
-            sub_mb_type &= ~MB_TYPE_P0L1;
-        }else if(ref[0] < 0){
-            *mb_type &= ~MB_TYPE_P0L0;
-            sub_mb_type &= ~MB_TYPE_P0L0;
-        }
-
-        if(IS_16X16(*mb_type)){
-            int a=0, b=0;
-
-            fill_rectangle(&h->ref_cache[0][scan8[0]], 4, 4, 8, (uint8_t)ref[0], 1);
-            fill_rectangle(&h->ref_cache[1][scan8[0]], 4, 4, 8, (uint8_t)ref[1], 1);
-            if(!IS_INTRA(mb_type_col)
-               && (   (l1ref0[0] == 0 && FFABS(l1mv0[0][0]) <= 1 && FFABS(l1mv0[0][1]) <= 1)
-                   || (l1ref0[0]  < 0 && l1ref1[0] == 0 && FFABS(l1mv1[0][0]) <= 1 && FFABS(l1mv1[0][1]) <= 1
-                       && (h->x264_build>33 || !h->x264_build)))){
-                if(ref[0] > 0)
-                    a= pack16to32(mv[0][0],mv[0][1]);
-                if(ref[1] > 0)
-                    b= pack16to32(mv[1][0],mv[1][1]);
-            }else{
-                a= pack16to32(mv[0][0],mv[0][1]);
-                b= pack16to32(mv[1][0],mv[1][1]);
-            }
-            fill_rectangle(&h->mv_cache[0][scan8[0]], 4, 4, 8, a, 4);
-            fill_rectangle(&h->mv_cache[1][scan8[0]], 4, 4, 8, b, 4);
-        }else{
-            for(i8=0; i8<4; i8++){
-                const int x8 = i8&1;
-                const int y8 = i8>>1;
-
-                if(is_b8x8 && !IS_DIRECT(h->sub_mb_type[i8]))
-                    continue;
-                h->sub_mb_type[i8] = sub_mb_type;
-
-                fill_rectangle(&h->mv_cache[0][scan8[i8*4]], 2, 2, 8, pack16to32(mv[0][0],mv[0][1]), 4);
-                fill_rectangle(&h->mv_cache[1][scan8[i8*4]], 2, 2, 8, pack16to32(mv[1][0],mv[1][1]), 4);
-                fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, (uint8_t)ref[0], 1);
-                fill_rectangle(&h->ref_cache[1][scan8[i8*4]], 2, 2, 8, (uint8_t)ref[1], 1);
-
-                /* col_zero_flag */
-                if(!IS_INTRA(mb_type_col) && (   l1ref0[x8 + y8*h->b8_stride] == 0
-                                              || (l1ref0[x8 + y8*h->b8_stride] < 0 && l1ref1[x8 + y8*h->b8_stride] == 0
-                                                  && (h->x264_build>33 || !h->x264_build)))){
-                    const int16_t (*l1mv)[2]= l1ref0[x8 + y8*h->b8_stride] == 0 ? l1mv0 : l1mv1;
-                    if(IS_SUB_8X8(sub_mb_type)){
-                        const int16_t *mv_col = l1mv[x8*3 + y8*3*h->b_stride];
-                        if(FFABS(mv_col[0]) <= 1 && FFABS(mv_col[1]) <= 1){
-                            if(ref[0] == 0)
-                                fill_rectangle(&h->mv_cache[0][scan8[i8*4]], 2, 2, 8, 0, 4);
-                            if(ref[1] == 0)
-                                fill_rectangle(&h->mv_cache[1][scan8[i8*4]], 2, 2, 8, 0, 4);
-                        }
-                    }else
-                    for(i4=0; i4<4; i4++){
-                        const int16_t *mv_col = l1mv[x8*2 + (i4&1) + (y8*2 + (i4>>1))*h->b_stride];
-                        if(FFABS(mv_col[0]) <= 1 && FFABS(mv_col[1]) <= 1){
-                            if(ref[0] == 0)
-                                *(uint32_t*)h->mv_cache[0][scan8[i8*4+i4]] = 0;
-                            if(ref[1] == 0)
-                                *(uint32_t*)h->mv_cache[1][scan8[i8*4+i4]] = 0;
-                        }
-                    }
-                }
-            }
-        }
-    }else{ /* direct temporal mv pred */
-        const int *map_col_to_list0[2] = {h->map_col_to_list0[0], h->map_col_to_list0[1]};
-        const int *dist_scale_factor = h->dist_scale_factor;
-
-        if(FRAME_MBAFF){
-            if(IS_INTERLACED(*mb_type)){
-                map_col_to_list0[0] = h->map_col_to_list0_field[0];
-                map_col_to_list0[1] = h->map_col_to_list0_field[1];
-                dist_scale_factor = h->dist_scale_factor_field;
-            }
-            if(IS_INTERLACED(*mb_type) != IS_INTERLACED(mb_type_col)){
-                /* FIXME assumes direct_8x8_inference == 1 */
-                const int pair_xy = s->mb_x + (s->mb_y&~1)*s->mb_stride;
-                int mb_types_col[2];
-                int y_shift;
-
-                *mb_type = MB_TYPE_8x8|MB_TYPE_L0L1
-                         | (is_b8x8 ? 0 : MB_TYPE_DIRECT2)
-                         | (*mb_type & MB_TYPE_INTERLACED);
-                sub_mb_type = MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2|MB_TYPE_16x16;
-
-                if(IS_INTERLACED(*mb_type)){
-                    /* frame to field scaling */
-                    mb_types_col[0] = h->ref_list[1][0].mb_type[pair_xy];
-                    mb_types_col[1] = h->ref_list[1][0].mb_type[pair_xy+s->mb_stride];
-                    if(s->mb_y&1){
-                        l1ref0 -= 2*h->b8_stride;
-                        l1ref1 -= 2*h->b8_stride;
-                        l1mv0 -= 4*h->b_stride;
-                        l1mv1 -= 4*h->b_stride;
-                    }
-                    y_shift = 0;
-
-                    if(   (mb_types_col[0] & MB_TYPE_16x16_OR_INTRA)
-                       && (mb_types_col[1] & MB_TYPE_16x16_OR_INTRA)
-                       && !is_b8x8)
-                        *mb_type |= MB_TYPE_16x8;
-                    else
-                        *mb_type |= MB_TYPE_8x8;
-                }else{
-                    /* field to frame scaling */
-                    /* col_mb_y = (mb_y&~1) + (topAbsDiffPOC < bottomAbsDiffPOC ? 0 : 1)
-                     * but in MBAFF, top and bottom POC are equal */
-                    int dy = (s->mb_y&1) ? 1 : 2;
-                    mb_types_col[0] =
-                    mb_types_col[1] = h->ref_list[1][0].mb_type[pair_xy+s->mb_stride];
-                    l1ref0 += dy*h->b8_stride;
-                    l1ref1 += dy*h->b8_stride;
-                    l1mv0 += 2*dy*h->b_stride;
-                    l1mv1 += 2*dy*h->b_stride;
-                    y_shift = 2;
-
-                    if((mb_types_col[0] & (MB_TYPE_16x16_OR_INTRA|MB_TYPE_16x8))
-                       && !is_b8x8)
-                        *mb_type |= MB_TYPE_16x16;
-                    else
-                        *mb_type |= MB_TYPE_8x8;
-                }
-
-                for(i8=0; i8<4; i8++){
-                    const int x8 = i8&1;
-                    const int y8 = i8>>1;
-                    int ref0, scale;
-                    const int16_t (*l1mv)[2]= l1mv0;
-
-                    if(is_b8x8 && !IS_DIRECT(h->sub_mb_type[i8]))
-                        continue;
-                    h->sub_mb_type[i8] = sub_mb_type;
-
-                    fill_rectangle(&h->ref_cache[1][scan8[i8*4]], 2, 2, 8, 0, 1);
-                    if(IS_INTRA(mb_types_col[y8])){
-                        fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, 0, 1);
-                        fill_rectangle(&h-> mv_cache[0][scan8[i8*4]], 2, 2, 8, 0, 4);
-                        fill_rectangle(&h-> mv_cache[1][scan8[i8*4]], 2, 2, 8, 0, 4);
-                        continue;
-                    }
-
-                    ref0 = l1ref0[x8 + (y8*2>>y_shift)*h->b8_stride];
-                    if(ref0 >= 0)
-                        ref0 = map_col_to_list0[0][ref0*2>>y_shift];
-                    else{
-                        ref0 = map_col_to_list0[1][l1ref1[x8 + (y8*2>>y_shift)*h->b8_stride]*2>>y_shift];
-                        l1mv= l1mv1;
-                    }
-                    scale = dist_scale_factor[ref0];
-                    fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, ref0, 1);
-
-                    {
-                        const int16_t *mv_col = l1mv[x8*3 + (y8*6>>y_shift)*h->b_stride];
-                        int my_col = (mv_col[1]<<y_shift)/2;
-                        int mx = (scale * mv_col[0] + 128) >> 8;
-                        int my = (scale * my_col + 128) >> 8;
-                        fill_rectangle(&h->mv_cache[0][scan8[i8*4]], 2, 2, 8, pack16to32(mx,my), 4);
-                        fill_rectangle(&h->mv_cache[1][scan8[i8*4]], 2, 2, 8, pack16to32(mx-mv_col[0],my-my_col), 4);
-                    }
-                }
-                return;
-            }
-        }
-
-        /* one-to-one mv scaling */
-
-        if(IS_16X16(*mb_type)){
-            int ref, mv0, mv1;
-
-            fill_rectangle(&h->ref_cache[1][scan8[0]], 4, 4, 8, 0, 1);
-            if(IS_INTRA(mb_type_col)){
-                ref=mv0=mv1=0;
-            }else{
-                const int ref0 = l1ref0[0] >= 0 ? map_col_to_list0[0][l1ref0[0]]
-                                                : map_col_to_list0[1][l1ref1[0]];
-                const int scale = dist_scale_factor[ref0];
-                const int16_t *mv_col = l1ref0[0] >= 0 ? l1mv0[0] : l1mv1[0];
-                int mv_l0[2];
-                mv_l0[0] = (scale * mv_col[0] + 128) >> 8;
-                mv_l0[1] = (scale * mv_col[1] + 128) >> 8;
-                ref= ref0;
-                mv0= pack16to32(mv_l0[0],mv_l0[1]);
-                mv1= pack16to32(mv_l0[0]-mv_col[0],mv_l0[1]-mv_col[1]);
-            }
-            fill_rectangle(&h->ref_cache[0][scan8[0]], 4, 4, 8, ref, 1);
-            fill_rectangle(&h-> mv_cache[0][scan8[0]], 4, 4, 8, mv0, 4);
-            fill_rectangle(&h-> mv_cache[1][scan8[0]], 4, 4, 8, mv1, 4);
-        }else{
-            for(i8=0; i8<4; i8++){
-                const int x8 = i8&1;
-                const int y8 = i8>>1;
-                int ref0, scale;
-                const int16_t (*l1mv)[2]= l1mv0;
-
-                if(is_b8x8 && !IS_DIRECT(h->sub_mb_type[i8]))
-                    continue;
-                h->sub_mb_type[i8] = sub_mb_type;
-                fill_rectangle(&h->ref_cache[1][scan8[i8*4]], 2, 2, 8, 0, 1);
-                if(IS_INTRA(mb_type_col)){
-                    fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, 0, 1);
-                    fill_rectangle(&h-> mv_cache[0][scan8[i8*4]], 2, 2, 8, 0, 4);
-                    fill_rectangle(&h-> mv_cache[1][scan8[i8*4]], 2, 2, 8, 0, 4);
-                    continue;
-                }
-
-                ref0 = l1ref0[x8 + y8*h->b8_stride];
-                if(ref0 >= 0)
-                    ref0 = map_col_to_list0[0][ref0];
-                else{
-                    ref0 = map_col_to_list0[1][l1ref1[x8 + y8*h->b8_stride]];
-                    l1mv= l1mv1;
-                }
-                scale = dist_scale_factor[ref0];
-
-                fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, ref0, 1);
-                if(IS_SUB_8X8(sub_mb_type)){
-                    const int16_t *mv_col = l1mv[x8*3 + y8*3*h->b_stride];
-                    int mx = (scale * mv_col[0] + 128) >> 8;
-                    int my = (scale * mv_col[1] + 128) >> 8;
-                    fill_rectangle(&h->mv_cache[0][scan8[i8*4]], 2, 2, 8, pack16to32(mx,my), 4);
-                    fill_rectangle(&h->mv_cache[1][scan8[i8*4]], 2, 2, 8, pack16to32(mx-mv_col[0],my-mv_col[1]), 4);
-                }else
-                for(i4=0; i4<4; i4++){
-                    const int16_t *mv_col = l1mv[x8*2 + (i4&1) + (y8*2 + (i4>>1))*h->b_stride];
-                    int16_t *mv_l0 = h->mv_cache[0][scan8[i8*4+i4]];
-                    mv_l0[0] = (scale * mv_col[0] + 128) >> 8;
-                    mv_l0[1] = (scale * mv_col[1] + 128) >> 8;
-                    *(uint32_t*)h->mv_cache[1][scan8[i8*4+i4]] =
-                        pack16to32(mv_l0[0]-mv_col[0],mv_l0[1]-mv_col[1]);
-                }
-            }
-        }
-    }
-}
-
-static inline void write_back_motion(H264Context *h, int mb_type){
-    MpegEncContext * const s = &h->s;
-    const int b_xy = 4*s->mb_x + 4*s->mb_y*h->b_stride;
-    const int b8_xy= 2*s->mb_x + 2*s->mb_y*h->b8_stride;
-    int list;
-
-    if(!USES_LIST(mb_type, 0))
-        fill_rectangle(&s->current_picture.ref_index[0][b8_xy], 2, 2, h->b8_stride, (uint8_t)LIST_NOT_USED, 1);
-
-    for(list=0; list<h->list_count; list++){
-        int y;
-        if(!USES_LIST(mb_type, list))
-            continue;
-
-        for(y=0; y<4; y++){
-            *(uint64_t*)s->current_picture.motion_val[list][b_xy + 0 + y*h->b_stride]= *(uint64_t*)h->mv_cache[list][scan8[0]+0 + 8*y];
-            *(uint64_t*)s->current_picture.motion_val[list][b_xy + 2 + y*h->b_stride]= *(uint64_t*)h->mv_cache[list][scan8[0]+2 + 8*y];
-        }
-        if( h->pps.cabac ) {
-            if(IS_SKIP(mb_type))
-                fill_rectangle(h->mvd_table[list][b_xy], 4, 4, h->b_stride, 0, 4);
-            else
-            for(y=0; y<4; y++){
-                *(uint64_t*)h->mvd_table[list][b_xy + 0 + y*h->b_stride]= *(uint64_t*)h->mvd_cache[list][scan8[0]+0 + 8*y];
-                *(uint64_t*)h->mvd_table[list][b_xy + 2 + y*h->b_stride]= *(uint64_t*)h->mvd_cache[list][scan8[0]+2 + 8*y];
-            }
-        }
-
-        {
-            int8_t *ref_index = &s->current_picture.ref_index[list][b8_xy];
-            ref_index[0+0*h->b8_stride]= h->ref_cache[list][scan8[0]];
-            ref_index[1+0*h->b8_stride]= h->ref_cache[list][scan8[4]];
-            ref_index[0+1*h->b8_stride]= h->ref_cache[list][scan8[8]];
-            ref_index[1+1*h->b8_stride]= h->ref_cache[list][scan8[12]];
-        }
-    }
-
-    if(h->slice_type == B_TYPE && h->pps.cabac){
-        if(IS_8X8(mb_type)){
-            uint8_t *direct_table = &h->direct_table[b8_xy];
-            direct_table[1+0*h->b8_stride] = IS_DIRECT(h->sub_mb_type[1]) ? 1 : 0;
-            direct_table[0+1*h->b8_stride] = IS_DIRECT(h->sub_mb_type[2]) ? 1 : 0;
-            direct_table[1+1*h->b8_stride] = IS_DIRECT(h->sub_mb_type[3]) ? 1 : 0;
-        }
-    }
-}
-
-/**
- * Decodes a network abstraction layer unit.
- * @param consumed is the number of bytes used as input
- * @param length is the length of the array
- * @param dst_length is the number of decoded bytes FIXME here or a decode rbsp tailing?
- * @returns decoded bytes, might be src+1 if no escapes
- */
-static uint8_t *decode_nal(H264Context *h, uint8_t *src, int *dst_length, int *consumed, int length){
-    int i, si, di;
-    uint8_t *dst;
-
-//    src[0]&0x80;                //forbidden bit
-    h->nal_ref_idc= src[0]>>5;
-    h->nal_unit_type= src[0]&0x1F;
-
-    src++; length--;
-#if 0
-    for(i=0; i<length; i++)
-        printf("%2X ", src[i]);
-#endif
-    for(i=0; i+1<length; i+=2){
-        if(src[i]) continue;
-        if(i>0 && src[i-1]==0) i--;
-        if(i+2<length && src[i+1]==0 && src[i+2]<=3){
-            if(src[i+2]!=3){
-                /* startcode, so we must be past the end */
-                length=i;
-            }
-            break;
-        }
-    }
-
-    if(i>=length-1){ //no escaped 0
-        *dst_length= length;
-        *consumed= length+1; //+1 for the header
-        return src;
-    }
-
-    h->rbsp_buffer= av_fast_realloc(h->rbsp_buffer, &h->rbsp_buffer_size, length);
-    dst= h->rbsp_buffer;
-
-    if (dst == NULL){
-        return NULL;
-    }
-
-//printf("decoding esc\n");
-    si=di=0;
-    while(si<length){
-        //remove escapes (very rare 1:2^22)
-        if(si+2<length && src[si]==0 && src[si+1]==0 && src[si+2]<=3){
-            if(src[si+2]==3){ //escape
-                dst[di++]= 0;
-                dst[di++]= 0;
-                si+=3;
-                continue;
-            }else //next start code
-                break;
-        }
-
-        dst[di++]= src[si++];
-    }
-
-    *dst_length= di;
-    *consumed= si + 1;//+1 for the header
-//FIXME store exact number of bits in the getbitcontext (its needed for decoding)
-    return dst;
-}
-
-/**
- * identifies the exact end of the bitstream
- * @return the length of the trailing, or 0 if damaged
- */
-static int decode_rbsp_trailing(H264Context *h, uint8_t *src){
-    int v= *src;
-    int r;
-
-    tprintf(h->s.avctx, "rbsp trailing %X\n", v);
-
-    for(r=1; r<9; r++){
-        if(v&1) return r;
-        v>>=1;
-    }
-    return 0;
-}
-
-/**
- * idct tranforms the 16 dc values and dequantize them.
- * @param qp quantization parameter
- */
-static void h264_luma_dc_dequant_idct_c(DCTELEM *block, int qp, int qmul){
-#define stride 16
-    int i;
-    int temp[16]; //FIXME check if this is a good idea
-    static const int x_offset[4]={0, 1*stride, 4* stride,  5*stride};
-    static const int y_offset[4]={0, 2*stride, 8* stride, 10*stride};
-
-//memset(block, 64, 2*256);
-//return;
-    for(i=0; i<4; i++){
-        const int offset= y_offset[i];
-        const int z0= block[offset+stride*0] + block[offset+stride*4];
-        const int z1= block[offset+stride*0] - block[offset+stride*4];
-        const int z2= block[offset+stride*1] - block[offset+stride*5];
-        const int z3= block[offset+stride*1] + block[offset+stride*5];
-
-        temp[4*i+0]= z0+z3;
-        temp[4*i+1]= z1+z2;
-        temp[4*i+2]= z1-z2;
-        temp[4*i+3]= z0-z3;
-    }
-
-    for(i=0; i<4; i++){
-        const int offset= x_offset[i];
-        const int z0= temp[4*0+i] + temp[4*2+i];
-        const int z1= temp[4*0+i] - temp[4*2+i];
-        const int z2= temp[4*1+i] - temp[4*3+i];
-        const int z3= temp[4*1+i] + temp[4*3+i];
-
-        block[stride*0 +offset]= ((((z0 + z3)*qmul + 128 ) >> 8)); //FIXME think about merging this into decode_resdual
-        block[stride*2 +offset]= ((((z1 + z2)*qmul + 128 ) >> 8));
-        block[stride*8 +offset]= ((((z1 - z2)*qmul + 128 ) >> 8));
-        block[stride*10+offset]= ((((z0 - z3)*qmul + 128 ) >> 8));
-    }
-}
-
-#if 0
-/**
- * dct tranforms the 16 dc values.
- * @param qp quantization parameter ??? FIXME
- */
-static void h264_luma_dc_dct_c(DCTELEM *block/*, int qp*/){
-//    const int qmul= dequant_coeff[qp][0];
-    int i;
-    int temp[16]; //FIXME check if this is a good idea
-    static const int x_offset[4]={0, 1*stride, 4* stride,  5*stride};
-    static const int y_offset[4]={0, 2*stride, 8* stride, 10*stride};
-
-    for(i=0; i<4; i++){
-        const int offset= y_offset[i];
-        const int z0= block[offset+stride*0] + block[offset+stride*4];
-        const int z1= block[offset+stride*0] - block[offset+stride*4];
-        const int z2= block[offset+stride*1] - block[offset+stride*5];
-        const int z3= block[offset+stride*1] + block[offset+stride*5];
-
-        temp[4*i+0]= z0+z3;
-        temp[4*i+1]= z1+z2;
-        temp[4*i+2]= z1-z2;
-        temp[4*i+3]= z0-z3;
-    }
-
-    for(i=0; i<4; i++){
-        const int offset= x_offset[i];
-        const int z0= temp[4*0+i] + temp[4*2+i];
-        const int z1= temp[4*0+i] - temp[4*2+i];
-        const int z2= temp[4*1+i] - temp[4*3+i];
-        const int z3= temp[4*1+i] + temp[4*3+i];
-
-        block[stride*0 +offset]= (z0 + z3)>>1;
-        block[stride*2 +offset]= (z1 + z2)>>1;
-        block[stride*8 +offset]= (z1 - z2)>>1;
-        block[stride*10+offset]= (z0 - z3)>>1;
-    }
-}
-#endif
-
-#undef xStride
-#undef stride
-
-static void chroma_dc_dequant_idct_c(DCTELEM *block, int qp, int qmul){
-    const int stride= 16*2;
-    const int xStride= 16;
-    int a,b,c,d,e;
-
-    a= block[stride*0 + xStride*0];
-    b= block[stride*0 + xStride*1];
-    c= block[stride*1 + xStride*0];
-    d= block[stride*1 + xStride*1];
-
-    e= a-b;
-    a= a+b;
-    b= c-d;
-    c= c+d;
-
-    block[stride*0 + xStride*0]= ((a+c)*qmul) >> 7;
-    block[stride*0 + xStride*1]= ((e+b)*qmul) >> 7;
-    block[stride*1 + xStride*0]= ((a-c)*qmul) >> 7;
-    block[stride*1 + xStride*1]= ((e-b)*qmul) >> 7;
-}
-
-#if 0
-static void chroma_dc_dct_c(DCTELEM *block){
-    const int stride= 16*2;
-    const int xStride= 16;
-    int a,b,c,d,e;
-
-    a= block[stride*0 + xStride*0];
-    b= block[stride*0 + xStride*1];
-    c= block[stride*1 + xStride*0];
-    d= block[stride*1 + xStride*1];
-
-    e= a-b;
-    a= a+b;
-    b= c-d;
-    c= c+d;
-
-    block[stride*0 + xStride*0]= (a+c);
-    block[stride*0 + xStride*1]= (e+b);
-    block[stride*1 + xStride*0]= (a-c);
-    block[stride*1 + xStride*1]= (e-b);
-}
-#endif
-
-/**
- * gets the chroma qp.
- */
-static inline int get_chroma_qp(int chroma_qp_index_offset, int qscale){
-
-    return chroma_qp[av_clip(qscale + chroma_qp_index_offset, 0, 51)];
-}
-
-//FIXME need to check that this doesnt overflow signed 32 bit for low qp, i am not sure, it's very close
-//FIXME check that gcc inlines this (and optimizes intra & separate_dc stuff away)
-static inline int quantize_c(DCTELEM *block, uint8_t *scantable, int qscale, int intra, int separate_dc){
-    int i;
-    const int * const quant_table= quant_coeff[qscale];
-    const int bias= intra ? (1<<QUANT_SHIFT)/3 : (1<<QUANT_SHIFT)/6;
-    const unsigned int threshold1= (1<<QUANT_SHIFT) - bias - 1;
-    const unsigned int threshold2= (threshold1<<1);
-    int last_non_zero;
-
-    if(separate_dc){
-        if(qscale<=18){
-            //avoid overflows
-            const int dc_bias= intra ? (1<<(QUANT_SHIFT-2))/3 : (1<<(QUANT_SHIFT-2))/6;
-            const unsigned int dc_threshold1= (1<<(QUANT_SHIFT-2)) - dc_bias - 1;
-            const unsigned int dc_threshold2= (dc_threshold1<<1);
-
-            int level= block[0]*quant_coeff[qscale+18][0];
-            if(((unsigned)(level+dc_threshold1))>dc_threshold2){
-                if(level>0){
-                    level= (dc_bias + level)>>(QUANT_SHIFT-2);
-                    block[0]= level;
-                }else{
-                    level= (dc_bias - level)>>(QUANT_SHIFT-2);
-                    block[0]= -level;
-                }
-//                last_non_zero = i;
-            }else{
-                block[0]=0;
-            }
-        }else{
-            const int dc_bias= intra ? (1<<(QUANT_SHIFT+1))/3 : (1<<(QUANT_SHIFT+1))/6;
-            const unsigned int dc_threshold1= (1<<(QUANT_SHIFT+1)) - dc_bias - 1;
-            const unsigned int dc_threshold2= (dc_threshold1<<1);
-
-            int level= block[0]*quant_table[0];
-            if(((unsigned)(level+dc_threshold1))>dc_threshold2){
-                if(level>0){
-                    level= (dc_bias + level)>>(QUANT_SHIFT+1);
-                    block[0]= level;
-                }else{
-                    level= (dc_bias - level)>>(QUANT_SHIFT+1);
-                    block[0]= -level;
-                }
-//                last_non_zero = i;
-            }else{
-                block[0]=0;
-            }
-        }
-        last_non_zero= 0;
-        i=1;
-    }else{
-        last_non_zero= -1;
-        i=0;
-    }
-
-    for(; i<16; i++){
-        const int j= scantable[i];
-        int level= block[j]*quant_table[j];
-
-//        if(   bias+level >= (1<<(QMAT_SHIFT - 3))
-//           || bias-level >= (1<<(QMAT_SHIFT - 3))){
-        if(((unsigned)(level+threshold1))>threshold2){
-            if(level>0){
-                level= (bias + level)>>QUANT_SHIFT;
-                block[j]= level;
-            }else{
-                level= (bias - level)>>QUANT_SHIFT;
-                block[j]= -level;
-            }
-            last_non_zero = i;
-        }else{
-            block[j]=0;
-        }
-    }
-
-    return last_non_zero;
-}
-
-static void pred4x4_vertical_c(uint8_t *src, uint8_t *topright, int stride){
-    const uint32_t a= ((uint32_t*)(src-stride))[0];
-    ((uint32_t*)(src+0*stride))[0]= a;
-    ((uint32_t*)(src+1*stride))[0]= a;
-    ((uint32_t*)(src+2*stride))[0]= a;
-    ((uint32_t*)(src+3*stride))[0]= a;
-}
-
-static void pred4x4_horizontal_c(uint8_t *src, uint8_t *topright, int stride){
-    ((uint32_t*)(src+0*stride))[0]= src[-1+0*stride]*0x01010101;
-    ((uint32_t*)(src+1*stride))[0]= src[-1+1*stride]*0x01010101;
-    ((uint32_t*)(src+2*stride))[0]= src[-1+2*stride]*0x01010101;
-    ((uint32_t*)(src+3*stride))[0]= src[-1+3*stride]*0x01010101;
-}
-
-static void pred4x4_dc_c(uint8_t *src, uint8_t *topright, int stride){
-    const int dc= (  src[-stride] + src[1-stride] + src[2-stride] + src[3-stride]
-                   + src[-1+0*stride] + src[-1+1*stride] + src[-1+2*stride] + src[-1+3*stride] + 4) >>3;
-
-    ((uint32_t*)(src+0*stride))[0]=
-    ((uint32_t*)(src+1*stride))[0]=
-    ((uint32_t*)(src+2*stride))[0]=
-    ((uint32_t*)(src+3*stride))[0]= dc* 0x01010101;
-}
-
-static void pred4x4_left_dc_c(uint8_t *src, uint8_t *topright, int stride){
-    const int dc= (  src[-1+0*stride] + src[-1+1*stride] + src[-1+2*stride] + src[-1+3*stride] + 2) >>2;
-
-    ((uint32_t*)(src+0*stride))[0]=
-    ((uint32_t*)(src+1*stride))[0]=
-    ((uint32_t*)(src+2*stride))[0]=
-    ((uint32_t*)(src+3*stride))[0]= dc* 0x01010101;
-}
-
-static void pred4x4_top_dc_c(uint8_t *src, uint8_t *topright, int stride){
-    const int dc= (  src[-stride] + src[1-stride] + src[2-stride] + src[3-stride] + 2) >>2;
-
-    ((uint32_t*)(src+0*stride))[0]=
-    ((uint32_t*)(src+1*stride))[0]=
-    ((uint32_t*)(src+2*stride))[0]=
-    ((uint32_t*)(src+3*stride))[0]= dc* 0x01010101;
-}
-
-static void pred4x4_128_dc_c(uint8_t *src, uint8_t *topright, int stride){
-    ((uint32_t*)(src+0*stride))[0]=
-    ((uint32_t*)(src+1*stride))[0]=
-    ((uint32_t*)(src+2*stride))[0]=
-    ((uint32_t*)(src+3*stride))[0]= 128U*0x01010101U;
-}
-
-
-#define LOAD_TOP_RIGHT_EDGE\
-    const int t4= topright[0];\
-    const int t5= topright[1];\
-    const int t6= topright[2];\
-    const int t7= topright[3];\
-
-#define LOAD_LEFT_EDGE\
-    const int l0= src[-1+0*stride];\
-    const int l1= src[-1+1*stride];\
-    const int l2= src[-1+2*stride];\
-    const int l3= src[-1+3*stride];\
-
-#define LOAD_TOP_EDGE\
-    const int t0= src[ 0-1*stride];\
-    const int t1= src[ 1-1*stride];\
-    const int t2= src[ 2-1*stride];\
-    const int t3= src[ 3-1*stride];\
-
-static void pred4x4_down_right_c(uint8_t *src, uint8_t *topright, int stride){
-    const int lt= src[-1-1*stride];
-    LOAD_TOP_EDGE
-    LOAD_LEFT_EDGE
-
-    src[0+3*stride]=(l3 + 2*l2 + l1 + 2)>>2;
-    src[0+2*stride]=
-    src[1+3*stride]=(l2 + 2*l1 + l0 + 2)>>2;
-    src[0+1*stride]=
-    src[1+2*stride]=
-    src[2+3*stride]=(l1 + 2*l0 + lt + 2)>>2;
-    src[0+0*stride]=
-    src[1+1*stride]=
-    src[2+2*stride]=
-    src[3+3*stride]=(l0 + 2*lt + t0 + 2)>>2;
-    src[1+0*stride]=
-    src[2+1*stride]=
-    src[3+2*stride]=(lt + 2*t0 + t1 + 2)>>2;
-    src[2+0*stride]=
-    src[3+1*stride]=(t0 + 2*t1 + t2 + 2)>>2;
-    src[3+0*stride]=(t1 + 2*t2 + t3 + 2)>>2;
-}
-
-static void pred4x4_down_left_c(uint8_t *src, uint8_t *topright, int stride){
-    LOAD_TOP_EDGE
-    LOAD_TOP_RIGHT_EDGE
-//    LOAD_LEFT_EDGE
-
-    src[0+0*stride]=(t0 + t2 + 2*t1 + 2)>>2;
-    src[1+0*stride]=
-    src[0+1*stride]=(t1 + t3 + 2*t2 + 2)>>2;
-    src[2+0*stride]=
-    src[1+1*stride]=
-    src[0+2*stride]=(t2 + t4 + 2*t3 + 2)>>2;
-    src[3+0*stride]=
-    src[2+1*stride]=
-    src[1+2*stride]=
-    src[0+3*stride]=(t3 + t5 + 2*t4 + 2)>>2;
-    src[3+1*stride]=
-    src[2+2*stride]=
-    src[1+3*stride]=(t4 + t6 + 2*t5 + 2)>>2;
-    src[3+2*stride]=
-    src[2+3*stride]=(t5 + t7 + 2*t6 + 2)>>2;
-    src[3+3*stride]=(t6 + 3*t7 + 2)>>2;
-}
-
-static void pred4x4_vertical_right_c(uint8_t *src, uint8_t *topright, int stride){
-    const int lt= src[-1-1*stride];
-    LOAD_TOP_EDGE
-    LOAD_LEFT_EDGE
-    const __attribute__((unused)) int unu= l3;
-
-    src[0+0*stride]=
-    src[1+2*stride]=(lt + t0 + 1)>>1;
-    src[1+0*stride]=
-    src[2+2*stride]=(t0 + t1 + 1)>>1;
-    src[2+0*stride]=
-    src[3+2*stride]=(t1 + t2 + 1)>>1;
-    src[3+0*stride]=(t2 + t3 + 1)>>1;
-    src[0+1*stride]=
-    src[1+3*stride]=(l0 + 2*lt + t0 + 2)>>2;
-    src[1+1*stride]=
-    src[2+3*stride]=(lt + 2*t0 + t1 + 2)>>2;
-    src[2+1*stride]=
-    src[3+3*stride]=(t0 + 2*t1 + t2 + 2)>>2;
-    src[3+1*stride]=(t1 + 2*t2 + t3 + 2)>>2;
-    src[0+2*stride]=(lt + 2*l0 + l1 + 2)>>2;
-    src[0+3*stride]=(l0 + 2*l1 + l2 + 2)>>2;
-}
-
-static void pred4x4_vertical_left_c(uint8_t *src, uint8_t *topright, int stride){
-    LOAD_TOP_EDGE
-    LOAD_TOP_RIGHT_EDGE
-    const __attribute__((unused)) int unu= t7;
-
-    src[0+0*stride]=(t0 + t1 + 1)>>1;
-    src[1+0*stride]=
-    src[0+2*stride]=(t1 + t2 + 1)>>1;
-    src[2+0*stride]=
-    src[1+2*stride]=(t2 + t3 + 1)>>1;
-    src[3+0*stride]=
-    src[2+2*stride]=(t3 + t4+ 1)>>1;
-    src[3+2*stride]=(t4 + t5+ 1)>>1;
-    src[0+1*stride]=(t0 + 2*t1 + t2 + 2)>>2;
-    src[1+1*stride]=
-    src[0+3*stride]=(t1 + 2*t2 + t3 + 2)>>2;
-    src[2+1*stride]=
-    src[1+3*stride]=(t2 + 2*t3 + t4 + 2)>>2;
-    src[3+1*stride]=
-    src[2+3*stride]=(t3 + 2*t4 + t5 + 2)>>2;
-    src[3+3*stride]=(t4 + 2*t5 + t6 + 2)>>2;
-}
-
-static void pred4x4_horizontal_up_c(uint8_t *src, uint8_t *topright, int stride){
-    LOAD_LEFT_EDGE
-
-    src[0+0*stride]=(l0 + l1 + 1)>>1;
-    src[1+0*stride]=(l0 + 2*l1 + l2 + 2)>>2;
-    src[2+0*stride]=
-    src[0+1*stride]=(l1 + l2 + 1)>>1;
-    src[3+0*stride]=
-    src[1+1*stride]=(l1 + 2*l2 + l3 + 2)>>2;
-    src[2+1*stride]=
-    src[0+2*stride]=(l2 + l3 + 1)>>1;
-    src[3+1*stride]=
-    src[1+2*stride]=(l2 + 2*l3 + l3 + 2)>>2;
-    src[3+2*stride]=
-    src[1+3*stride]=
-    src[0+3*stride]=
-    src[2+2*stride]=
-    src[2+3*stride]=
-    src[3+3*stride]=l3;
-}
-
-static void pred4x4_horizontal_down_c(uint8_t *src, uint8_t *topright, int stride){
-    const int lt= src[-1-1*stride];
-    LOAD_TOP_EDGE
-    LOAD_LEFT_EDGE
-    const __attribute__((unused)) int unu= t3;
-
-    src[0+0*stride]=
-    src[2+1*stride]=(lt + l0 + 1)>>1;
-    src[1+0*stride]=
-    src[3+1*stride]=(l0 + 2*lt + t0 + 2)>>2;
-    src[2+0*stride]=(lt + 2*t0 + t1 + 2)>>2;
-    src[3+0*stride]=(t0 + 2*t1 + t2 + 2)>>2;
-    src[0+1*stride]=
-    src[2+2*stride]=(l0 + l1 + 1)>>1;
-    src[1+1*stride]=
-    src[3+2*stride]=(lt + 2*l0 + l1 + 2)>>2;
-    src[0+2*stride]=
-    src[2+3*stride]=(l1 + l2+ 1)>>1;
-    src[1+2*stride]=
-    src[3+3*stride]=(l0 + 2*l1 + l2 + 2)>>2;
-    src[0+3*stride]=(l2 + l3 + 1)>>1;
-    src[1+3*stride]=(l1 + 2*l2 + l3 + 2)>>2;
-}
-
-void ff_pred16x16_vertical_c(uint8_t *src, int stride){
-    int i;
-    const uint32_t a= ((uint32_t*)(src-stride))[0];
-    const uint32_t b= ((uint32_t*)(src-stride))[1];
-    const uint32_t c= ((uint32_t*)(src-stride))[2];
-    const uint32_t d= ((uint32_t*)(src-stride))[3];
-
-    for(i=0; i<16; i++){
-        ((uint32_t*)(src+i*stride))[0]= a;
-        ((uint32_t*)(src+i*stride))[1]= b;
-        ((uint32_t*)(src+i*stride))[2]= c;
-        ((uint32_t*)(src+i*stride))[3]= d;
-    }
-}
-
-void ff_pred16x16_horizontal_c(uint8_t *src, int stride){
-    int i;
-
-    for(i=0; i<16; i++){
-        ((uint32_t*)(src+i*stride))[0]=
-        ((uint32_t*)(src+i*stride))[1]=
-        ((uint32_t*)(src+i*stride))[2]=
-        ((uint32_t*)(src+i*stride))[3]= src[-1+i*stride]*0x01010101;
-    }
-}
-
-void ff_pred16x16_dc_c(uint8_t *src, int stride){
-    int i, dc=0;
-
-    for(i=0;i<16; i++){
-        dc+= src[-1+i*stride];
-    }
-
-    for(i=0;i<16; i++){
-        dc+= src[i-stride];
-    }
-
-    dc= 0x01010101*((dc + 16)>>5);
-
-    for(i=0; i<16; i++){
-        ((uint32_t*)(src+i*stride))[0]=
-        ((uint32_t*)(src+i*stride))[1]=
-        ((uint32_t*)(src+i*stride))[2]=
-        ((uint32_t*)(src+i*stride))[3]= dc;
-    }
-}
-
-static void pred16x16_left_dc_c(uint8_t *src, int stride){
-    int i, dc=0;
-
-    for(i=0;i<16; i++){
-        dc+= src[-1+i*stride];
-    }
-
-    dc= 0x01010101*((dc + 8)>>4);
-
-    for(i=0; i<16; i++){
-        ((uint32_t*)(src+i*stride))[0]=
-        ((uint32_t*)(src+i*stride))[1]=
-        ((uint32_t*)(src+i*stride))[2]=
-        ((uint32_t*)(src+i*stride))[3]= dc;
-    }
-}
-
-static void pred16x16_top_dc_c(uint8_t *src, int stride){
-    int i, dc=0;
-
-    for(i=0;i<16; i++){
-        dc+= src[i-stride];
-    }
-    dc= 0x01010101*((dc + 8)>>4);
-
-    for(i=0; i<16; i++){
-        ((uint32_t*)(src+i*stride))[0]=
-        ((uint32_t*)(src+i*stride))[1]=
-        ((uint32_t*)(src+i*stride))[2]=
-        ((uint32_t*)(src+i*stride))[3]= dc;
-    }
-}
-
-void ff_pred16x16_128_dc_c(uint8_t *src, int stride){
-    int i;
-
-    for(i=0; i<16; i++){
-        ((uint32_t*)(src+i*stride))[0]=
-        ((uint32_t*)(src+i*stride))[1]=
-        ((uint32_t*)(src+i*stride))[2]=
-        ((uint32_t*)(src+i*stride))[3]= 0x01010101U*128U;
-    }
-}
-
-static inline void pred16x16_plane_compat_c(uint8_t *src, int stride, const int svq3){
-  int i, j, k;
-  int a;
-  uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;
-  const uint8_t * const src0 = src+7-stride;
-  const uint8_t *src1 = src+8*stride-1;
-  const uint8_t *src2 = src1-2*stride;      // == src+6*stride-1;
-  int H = src0[1] - src0[-1];
-  int V = src1[0] - src2[ 0];
-  for(k=2; k<=8; ++k) {
-    src1 += stride; src2 -= stride;
-    H += k*(src0[k] - src0[-k]);
-    V += k*(src1[0] - src2[ 0]);
-  }
-  if(svq3){
-    H = ( 5*(H/4) ) / 16;
-    V = ( 5*(V/4) ) / 16;
-
-    /* required for 100% accuracy */
-    i = H; H = V; V = i;
-  }else{
-    H = ( 5*H+32 ) >> 6;
-    V = ( 5*V+32 ) >> 6;
-  }
-
-  a = 16*(src1[0] + src2[16] + 1) - 7*(V+H);
-  for(j=16; j>0; --j) {
-    int b = a;
-    a += V;
-    for(i=-16; i<0; i+=4) {
-      src[16+i] = cm[ (b    ) >> 5 ];
-      src[17+i] = cm[ (b+  H) >> 5 ];
-      src[18+i] = cm[ (b+2*H) >> 5 ];
-      src[19+i] = cm[ (b+3*H) >> 5 ];
-      b += 4*H;
-    }
-    src += stride;
-  }
-}
-
-void ff_pred16x16_plane_c(uint8_t *src, int stride){
-    pred16x16_plane_compat_c(src, stride, 0);
-}
-
-void ff_pred8x8_vertical_c(uint8_t *src, int stride){
-    int i;
-    const uint32_t a= ((uint32_t*)(src-stride))[0];
-    const uint32_t b= ((uint32_t*)(src-stride))[1];
-
-    for(i=0; i<8; i++){
-        ((uint32_t*)(src+i*stride))[0]= a;
-        ((uint32_t*)(src+i*stride))[1]= b;
-    }
-}
-
-void ff_pred8x8_horizontal_c(uint8_t *src, int stride){
-    int i;
-
-    for(i=0; i<8; i++){
-        ((uint32_t*)(src+i*stride))[0]=
-        ((uint32_t*)(src+i*stride))[1]= src[-1+i*stride]*0x01010101;
-    }
-}
-
-void ff_pred8x8_128_dc_c(uint8_t *src, int stride){
-    int i;
-
-    for(i=0; i<8; i++){
-        ((uint32_t*)(src+i*stride))[0]=
-        ((uint32_t*)(src+i*stride))[1]= 0x01010101U*128U;
-    }
-}
-
-static void pred8x8_left_dc_c(uint8_t *src, int stride){
-    int i;
-    int dc0, dc2;
-
-    dc0=dc2=0;
-    for(i=0;i<4; i++){
-        dc0+= src[-1+i*stride];
-        dc2+= src[-1+(i+4)*stride];
-    }
-    dc0= 0x01010101*((dc0 + 2)>>2);
-    dc2= 0x01010101*((dc2 + 2)>>2);
-
-    for(i=0; i<4; i++){
-        ((uint32_t*)(src+i*stride))[0]=
-        ((uint32_t*)(src+i*stride))[1]= dc0;
-    }
-    for(i=4; i<8; i++){
-        ((uint32_t*)(src+i*stride))[0]=
-        ((uint32_t*)(src+i*stride))[1]= dc2;
-    }
-}
-
-static void pred8x8_top_dc_c(uint8_t *src, int stride){
-    int i;
-    int dc0, dc1;
-
-    dc0=dc1=0;
-    for(i=0;i<4; i++){
-        dc0+= src[i-stride];
-        dc1+= src[4+i-stride];
-    }
-    dc0= 0x01010101*((dc0 + 2)>>2);
-    dc1= 0x01010101*((dc1 + 2)>>2);
-
-    for(i=0; i<4; i++){
-        ((uint32_t*)(src+i*stride))[0]= dc0;
-        ((uint32_t*)(src+i*stride))[1]= dc1;
-    }
-    for(i=4; i<8; i++){
-        ((uint32_t*)(src+i*stride))[0]= dc0;
-        ((uint32_t*)(src+i*stride))[1]= dc1;
-    }
-}
-
-
-void ff_pred8x8_dc_c(uint8_t *src, int stride){
-    int i;
-    int dc0, dc1, dc2, dc3;
-
-    dc0=dc1=dc2=0;
-    for(i=0;i<4; i++){
-        dc0+= src[-1+i*stride] + src[i-stride];
-        dc1+= src[4+i-stride];
-        dc2+= src[-1+(i+4)*stride];
-    }
-    dc3= 0x01010101*((dc1 + dc2 + 4)>>3);
-    dc0= 0x01010101*((dc0 + 4)>>3);
-    dc1= 0x01010101*((dc1 + 2)>>2);
-    dc2= 0x01010101*((dc2 + 2)>>2);
-
-    for(i=0; i<4; i++){
-        ((uint32_t*)(src+i*stride))[0]= dc0;
-        ((uint32_t*)(src+i*stride))[1]= dc1;
-    }
-    for(i=4; i<8; i++){
-        ((uint32_t*)(src+i*stride))[0]= dc2;
-        ((uint32_t*)(src+i*stride))[1]= dc3;
-    }
-}
-
-void ff_pred8x8_plane_c(uint8_t *src, int stride){
-  int j, k;
-  int a;
-  uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;
-  const uint8_t * const src0 = src+3-stride;
-  const uint8_t *src1 = src+4*stride-1;
-  const uint8_t *src2 = src1-2*stride;      // == src+2*stride-1;
-  int H = src0[1] - src0[-1];
-  int V = src1[0] - src2[ 0];
-  for(k=2; k<=4; ++k) {
-    src1 += stride; src2 -= stride;
-    H += k*(src0[k] - src0[-k]);
-    V += k*(src1[0] - src2[ 0]);
-  }
-  H = ( 17*H+16 ) >> 5;
-  V = ( 17*V+16 ) >> 5;
-
-  a = 16*(src1[0] + src2[8]+1) - 3*(V+H);
-  for(j=8; j>0; --j) {
-    int b = a;
-    a += V;
-    src[0] = cm[ (b    ) >> 5 ];
-    src[1] = cm[ (b+  H) >> 5 ];
-    src[2] = cm[ (b+2*H) >> 5 ];
-    src[3] = cm[ (b+3*H) >> 5 ];
-    src[4] = cm[ (b+4*H) >> 5 ];
-    src[5] = cm[ (b+5*H) >> 5 ];
-    src[6] = cm[ (b+6*H) >> 5 ];
-    src[7] = cm[ (b+7*H) >> 5 ];
-    src += stride;
-  }
-}
-
-#define SRC(x,y) src[(x)+(y)*stride]
-#define PL(y) \
-    const int l##y = (SRC(-1,y-1) + 2*SRC(-1,y) + SRC(-1,y+1) + 2) >> 2;
-#define PREDICT_8x8_LOAD_LEFT \
-    const int l0 = ((has_topleft ? SRC(-1,-1) : SRC(-1,0)) \
-                     + 2*SRC(-1,0) + SRC(-1,1) + 2) >> 2; \
-    PL(1) PL(2) PL(3) PL(4) PL(5) PL(6) \
-    const int l7 attribute_unused = (SRC(-1,6) + 3*SRC(-1,7) + 2) >> 2
-
-#define PT(x) \
-    const int t##x = (SRC(x-1,-1) + 2*SRC(x,-1) + SRC(x+1,-1) + 2) >> 2;
-#define PREDICT_8x8_LOAD_TOP \
-    const int t0 = ((has_topleft ? SRC(-1,-1) : SRC(0,-1)) \
-                     + 2*SRC(0,-1) + SRC(1,-1) + 2) >> 2; \
-    PT(1) PT(2) PT(3) PT(4) PT(5) PT(6) \
-    const int t7 attribute_unused = ((has_topright ? SRC(8,-1) : SRC(7,-1)) \
-                     + 2*SRC(7,-1) + SRC(6,-1) + 2) >> 2
-
-#define PTR(x) \
-    t##x = (SRC(x-1,-1) + 2*SRC(x,-1) + SRC(x+1,-1) + 2) >> 2;
-#define PREDICT_8x8_LOAD_TOPRIGHT \
-    int t8, t9, t10, t11, t12, t13, t14, t15; \
-    if(has_topright) { \
-        PTR(8) PTR(9) PTR(10) PTR(11) PTR(12) PTR(13) PTR(14) \
-        t15 = (SRC(14,-1) + 3*SRC(15,-1) + 2) >> 2; \
-    } else t8=t9=t10=t11=t12=t13=t14=t15= SRC(7,-1);
-
-#define PREDICT_8x8_LOAD_TOPLEFT \
-    const int lt = (SRC(-1,0) + 2*SRC(-1,-1) + SRC(0,-1) + 2) >> 2
-
-#define PREDICT_8x8_DC(v) \
-    int y; \
-    for( y = 0; y < 8; y++ ) { \
-        ((uint32_t*)src)[0] = \
-        ((uint32_t*)src)[1] = v; \
-        src += stride; \
-    }
-
-static void pred8x8l_128_dc_c(uint8_t *src, int has_topleft, int has_topright, int stride)
-{
-    PREDICT_8x8_DC(0x80808080);
-}
-static void pred8x8l_left_dc_c(uint8_t *src, int has_topleft, int has_topright, int stride)
-{
-    PREDICT_8x8_LOAD_LEFT;
-    const uint32_t dc = ((l0+l1+l2+l3+l4+l5+l6+l7+4) >> 3) * 0x01010101;
-    PREDICT_8x8_DC(dc);
-}
-static void pred8x8l_top_dc_c(uint8_t *src, int has_topleft, int has_topright, int stride)
-{
-    PREDICT_8x8_LOAD_TOP;
-    const uint32_t dc = ((t0+t1+t2+t3+t4+t5+t6+t7+4) >> 3) * 0x01010101;
-    PREDICT_8x8_DC(dc);
-}
-static void pred8x8l_dc_c(uint8_t *src, int has_topleft, int has_topright, int stride)
-{
-    PREDICT_8x8_LOAD_LEFT;
-    PREDICT_8x8_LOAD_TOP;
-    const uint32_t dc = ((l0+l1+l2+l3+l4+l5+l6+l7
-                         +t0+t1+t2+t3+t4+t5+t6+t7+8) >> 4) * 0x01010101;
-    PREDICT_8x8_DC(dc);
-}
-static void pred8x8l_horizontal_c(uint8_t *src, int has_topleft, int has_topright, int stride)
-{
-    PREDICT_8x8_LOAD_LEFT;
-#define ROW(y) ((uint32_t*)(src+y*stride))[0] =\
-               ((uint32_t*)(src+y*stride))[1] = 0x01010101 * l##y
-    ROW(0); ROW(1); ROW(2); ROW(3); ROW(4); ROW(5); ROW(6); ROW(7);
-#undef ROW
-}
-static void pred8x8l_vertical_c(uint8_t *src, int has_topleft, int has_topright, int stride)
-{
-    int y;
-    PREDICT_8x8_LOAD_TOP;
-    src[0] = t0;
-    src[1] = t1;
-    src[2] = t2;
-    src[3] = t3;
-    src[4] = t4;
-    src[5] = t5;
-    src[6] = t6;
-    src[7] = t7;
-    for( y = 1; y < 8; y++ )
-        *(uint64_t*)(src+y*stride) = *(uint64_t*)src;
-}
-static void pred8x8l_down_left_c(uint8_t *src, int has_topleft, int has_topright, int stride)
-{
-    PREDICT_8x8_LOAD_TOP;
-    PREDICT_8x8_LOAD_TOPRIGHT;
-    SRC(0,0)= (t0 + 2*t1 + t2 + 2) >> 2;
-    SRC(0,1)=SRC(1,0)= (t1 + 2*t2 + t3 + 2) >> 2;
-    SRC(0,2)=SRC(1,1)=SRC(2,0)= (t2 + 2*t3 + t4 + 2) >> 2;
-    SRC(0,3)=SRC(1,2)=SRC(2,1)=SRC(3,0)= (t3 + 2*t4 + t5 + 2) >> 2;
-    SRC(0,4)=SRC(1,3)=SRC(2,2)=SRC(3,1)=SRC(4,0)= (t4 + 2*t5 + t6 + 2) >> 2;
-    SRC(0,5)=SRC(1,4)=SRC(2,3)=SRC(3,2)=SRC(4,1)=SRC(5,0)= (t5 + 2*t6 + t7 + 2) >> 2;
-    SRC(0,6)=SRC(1,5)=SRC(2,4)=SRC(3,3)=SRC(4,2)=SRC(5,1)=SRC(6,0)= (t6 + 2*t7 + t8 + 2) >> 2;
-    SRC(0,7)=SRC(1,6)=SRC(2,5)=SRC(3,4)=SRC(4,3)=SRC(5,2)=SRC(6,1)=SRC(7,0)= (t7 + 2*t8 + t9 + 2) >> 2;
-    SRC(1,7)=SRC(2,6)=SRC(3,5)=SRC(4,4)=SRC(5,3)=SRC(6,2)=SRC(7,1)= (t8 + 2*t9 + t10 + 2) >> 2;
-    SRC(2,7)=SRC(3,6)=SRC(4,5)=SRC(5,4)=SRC(6,3)=SRC(7,2)= (t9 + 2*t10 + t11 + 2) >> 2;
-    SRC(3,7)=SRC(4,6)=SRC(5,5)=SRC(6,4)=SRC(7,3)= (t10 + 2*t11 + t12 + 2) >> 2;
-    SRC(4,7)=SRC(5,6)=SRC(6,5)=SRC(7,4)= (t11 + 2*t12 + t13 + 2) >> 2;
-    SRC(5,7)=SRC(6,6)=SRC(7,5)= (t12 + 2*t13 + t14 + 2) >> 2;
-    SRC(6,7)=SRC(7,6)= (t13 + 2*t14 + t15 + 2) >> 2;
-    SRC(7,7)= (t14 + 3*t15 + 2) >> 2;
-}
-static void pred8x8l_down_right_c(uint8_t *src, int has_topleft, int has_topright, int stride)
-{
-    PREDICT_8x8_LOAD_TOP;
-    PREDICT_8x8_LOAD_LEFT;
-    PREDICT_8x8_LOAD_TOPLEFT;
-    SRC(0,7)= (l7 + 2*l6 + l5 + 2) >> 2;
-    SRC(0,6)=SRC(1,7)= (l6 + 2*l5 + l4 + 2) >> 2;
-    SRC(0,5)=SRC(1,6)=SRC(2,7)= (l5 + 2*l4 + l3 + 2) >> 2;
-    SRC(0,4)=SRC(1,5)=SRC(2,6)=SRC(3,7)= (l4 + 2*l3 + l2 + 2) >> 2;
-    SRC(0,3)=SRC(1,4)=SRC(2,5)=SRC(3,6)=SRC(4,7)= (l3 + 2*l2 + l1 + 2) >> 2;
-    SRC(0,2)=SRC(1,3)=SRC(2,4)=SRC(3,5)=SRC(4,6)=SRC(5,7)= (l2 + 2*l1 + l0 + 2) >> 2;
-    SRC(0,1)=SRC(1,2)=SRC(2,3)=SRC(3,4)=SRC(4,5)=SRC(5,6)=SRC(6,7)= (l1 + 2*l0 + lt + 2) >> 2;
-    SRC(0,0)=SRC(1,1)=SRC(2,2)=SRC(3,3)=SRC(4,4)=SRC(5,5)=SRC(6,6)=SRC(7,7)= (l0 + 2*lt + t0 + 2) >> 2;
-    SRC(1,0)=SRC(2,1)=SRC(3,2)=SRC(4,3)=SRC(5,4)=SRC(6,5)=SRC(7,6)= (lt + 2*t0 + t1 + 2) >> 2;
-    SRC(2,0)=SRC(3,1)=SRC(4,2)=SRC(5,3)=SRC(6,4)=SRC(7,5)= (t0 + 2*t1 + t2 + 2) >> 2;
-    SRC(3,0)=SRC(4,1)=SRC(5,2)=SRC(6,3)=SRC(7,4)= (t1 + 2*t2 + t3 + 2) >> 2;
-    SRC(4,0)=SRC(5,1)=SRC(6,2)=SRC(7,3)= (t2 + 2*t3 + t4 + 2) >> 2;
-    SRC(5,0)=SRC(6,1)=SRC(7,2)= (t3 + 2*t4 + t5 + 2) >> 2;
-    SRC(6,0)=SRC(7,1)= (t4 + 2*t5 + t6 + 2) >> 2;
-    SRC(7,0)= (t5 + 2*t6 + t7 + 2) >> 2;
-
-}
-static void pred8x8l_vertical_right_c(uint8_t *src, int has_topleft, int has_topright, int stride)
-{
-    PREDICT_8x8_LOAD_TOP;
-    PREDICT_8x8_LOAD_LEFT;
-    PREDICT_8x8_LOAD_TOPLEFT;
-    SRC(0,6)= (l5 + 2*l4 + l3 + 2) >> 2;
-    SRC(0,7)= (l6 + 2*l5 + l4 + 2) >> 2;
-    SRC(0,4)=SRC(1,6)= (l3 + 2*l2 + l1 + 2) >> 2;
-    SRC(0,5)=SRC(1,7)= (l4 + 2*l3 + l2 + 2) >> 2;
-    SRC(0,2)=SRC(1,4)=SRC(2,6)= (l1 + 2*l0 + lt + 2) >> 2;
-    SRC(0,3)=SRC(1,5)=SRC(2,7)= (l2 + 2*l1 + l0 + 2) >> 2;
-    SRC(0,1)=SRC(1,3)=SRC(2,5)=SRC(3,7)= (l0 + 2*lt + t0 + 2) >> 2;
-    SRC(0,0)=SRC(1,2)=SRC(2,4)=SRC(3,6)= (lt + t0 + 1) >> 1;
-    SRC(1,1)=SRC(2,3)=SRC(3,5)=SRC(4,7)= (lt + 2*t0 + t1 + 2) >> 2;
-    SRC(1,0)=SRC(2,2)=SRC(3,4)=SRC(4,6)= (t0 + t1 + 1) >> 1;
-    SRC(2,1)=SRC(3,3)=SRC(4,5)=SRC(5,7)= (t0 + 2*t1 + t2 + 2) >> 2;
-    SRC(2,0)=SRC(3,2)=SRC(4,4)=SRC(5,6)= (t1 + t2 + 1) >> 1;
-    SRC(3,1)=SRC(4,3)=SRC(5,5)=SRC(6,7)= (t1 + 2*t2 + t3 + 2) >> 2;
-    SRC(3,0)=SRC(4,2)=SRC(5,4)=SRC(6,6)= (t2 + t3 + 1) >> 1;
-    SRC(4,1)=SRC(5,3)=SRC(6,5)=SRC(7,7)= (t2 + 2*t3 + t4 + 2) >> 2;
-    SRC(4,0)=SRC(5,2)=SRC(6,4)=SRC(7,6)= (t3 + t4 + 1) >> 1;
-    SRC(5,1)=SRC(6,3)=SRC(7,5)= (t3 + 2*t4 + t5 + 2) >> 2;
-    SRC(5,0)=SRC(6,2)=SRC(7,4)= (t4 + t5 + 1) >> 1;
-    SRC(6,1)=SRC(7,3)= (t4 + 2*t5 + t6 + 2) >> 2;
-    SRC(6,0)=SRC(7,2)= (t5 + t6 + 1) >> 1;
-    SRC(7,1)= (t5 + 2*t6 + t7 + 2) >> 2;
-    SRC(7,0)= (t6 + t7 + 1) >> 1;
-}
-static void pred8x8l_horizontal_down_c(uint8_t *src, int has_topleft, int has_topright, int stride)
-{
-    PREDICT_8x8_LOAD_TOP;
-    PREDICT_8x8_LOAD_LEFT;
-    PREDICT_8x8_LOAD_TOPLEFT;
-    SRC(0,7)= (l6 + l7 + 1) >> 1;
-    SRC(1,7)= (l5 + 2*l6 + l7 + 2) >> 2;
-    SRC(0,6)=SRC(2,7)= (l5 + l6 + 1) >> 1;
-    SRC(1,6)=SRC(3,7)= (l4 + 2*l5 + l6 + 2) >> 2;
-    SRC(0,5)=SRC(2,6)=SRC(4,7)= (l4 + l5 + 1) >> 1;
-    SRC(1,5)=SRC(3,6)=SRC(5,7)= (l3 + 2*l4 + l5 + 2) >> 2;
-    SRC(0,4)=SRC(2,5)=SRC(4,6)=SRC(6,7)= (l3 + l4 + 1) >> 1;
-    SRC(1,4)=SRC(3,5)=SRC(5,6)=SRC(7,7)= (l2 + 2*l3 + l4 + 2) >> 2;
-    SRC(0,3)=SRC(2,4)=SRC(4,5)=SRC(6,6)= (l2 + l3 + 1) >> 1;
-    SRC(1,3)=SRC(3,4)=SRC(5,5)=SRC(7,6)= (l1 + 2*l2 + l3 + 2) >> 2;
-    SRC(0,2)=SRC(2,3)=SRC(4,4)=SRC(6,5)= (l1 + l2 + 1) >> 1;
-    SRC(1,2)=SRC(3,3)=SRC(5,4)=SRC(7,5)= (l0 + 2*l1 + l2 + 2) >> 2;
-    SRC(0,1)=SRC(2,2)=SRC(4,3)=SRC(6,4)= (l0 + l1 + 1) >> 1;
-    SRC(1,1)=SRC(3,2)=SRC(5,3)=SRC(7,4)= (lt + 2*l0 + l1 + 2) >> 2;
-    SRC(0,0)=SRC(2,1)=SRC(4,2)=SRC(6,3)= (lt + l0 + 1) >> 1;
-    SRC(1,0)=SRC(3,1)=SRC(5,2)=SRC(7,3)= (l0 + 2*lt + t0 + 2) >> 2;
-    SRC(2,0)=SRC(4,1)=SRC(6,2)= (t1 + 2*t0 + lt + 2) >> 2;
-    SRC(3,0)=SRC(5,1)=SRC(7,2)= (t2 + 2*t1 + t0 + 2) >> 2;
-    SRC(4,0)=SRC(6,1)= (t3 + 2*t2 + t1 + 2) >> 2;
-    SRC(5,0)=SRC(7,1)= (t4 + 2*t3 + t2 + 2) >> 2;
-    SRC(6,0)= (t5 + 2*t4 + t3 + 2) >> 2;
-    SRC(7,0)= (t6 + 2*t5 + t4 + 2) >> 2;
-}
-static void pred8x8l_vertical_left_c(uint8_t *src, int has_topleft, int has_topright, int stride)
-{
-    PREDICT_8x8_LOAD_TOP;
-    PREDICT_8x8_LOAD_TOPRIGHT;
-    SRC(0,0)= (t0 + t1 + 1) >> 1;
-    SRC(0,1)= (t0 + 2*t1 + t2 + 2) >> 2;
-    SRC(0,2)=SRC(1,0)= (t1 + t2 + 1) >> 1;
-    SRC(0,3)=SRC(1,1)= (t1 + 2*t2 + t3 + 2) >> 2;
-    SRC(0,4)=SRC(1,2)=SRC(2,0)= (t2 + t3 + 1) >> 1;
-    SRC(0,5)=SRC(1,3)=SRC(2,1)= (t2 + 2*t3 + t4 + 2) >> 2;
-    SRC(0,6)=SRC(1,4)=SRC(2,2)=SRC(3,0)= (t3 + t4 + 1) >> 1;
-    SRC(0,7)=SRC(1,5)=SRC(2,3)=SRC(3,1)= (t3 + 2*t4 + t5 + 2) >> 2;
-    SRC(1,6)=SRC(2,4)=SRC(3,2)=SRC(4,0)= (t4 + t5 + 1) >> 1;
-    SRC(1,7)=SRC(2,5)=SRC(3,3)=SRC(4,1)= (t4 + 2*t5 + t6 + 2) >> 2;
-    SRC(2,6)=SRC(3,4)=SRC(4,2)=SRC(5,0)= (t5 + t6 + 1) >> 1;
-    SRC(2,7)=SRC(3,5)=SRC(4,3)=SRC(5,1)= (t5 + 2*t6 + t7 + 2) >> 2;
-    SRC(3,6)=SRC(4,4)=SRC(5,2)=SRC(6,0)= (t6 + t7 + 1) >> 1;
-    SRC(3,7)=SRC(4,5)=SRC(5,3)=SRC(6,1)= (t6 + 2*t7 + t8 + 2) >> 2;
-    SRC(4,6)=SRC(5,4)=SRC(6,2)=SRC(7,0)= (t7 + t8 + 1) >> 1;
-    SRC(4,7)=SRC(5,5)=SRC(6,3)=SRC(7,1)= (t7 + 2*t8 + t9 + 2) >> 2;
-    SRC(5,6)=SRC(6,4)=SRC(7,2)= (t8 + t9 + 1) >> 1;
-    SRC(5,7)=SRC(6,5)=SRC(7,3)= (t8 + 2*t9 + t10 + 2) >> 2;
-    SRC(6,6)=SRC(7,4)= (t9 + t10 + 1) >> 1;
-    SRC(6,7)=SRC(7,5)= (t9 + 2*t10 + t11 + 2) >> 2;
-    SRC(7,6)= (t10 + t11 + 1) >> 1;
-    SRC(7,7)= (t10 + 2*t11 + t12 + 2) >> 2;
-}
-static void pred8x8l_horizontal_up_c(uint8_t *src, int has_topleft, int has_topright, int stride)
-{
-    PREDICT_8x8_LOAD_LEFT;
-    SRC(0,0)= (l0 + l1 + 1) >> 1;
-    SRC(1,0)= (l0 + 2*l1 + l2 + 2) >> 2;
-    SRC(0,1)=SRC(2,0)= (l1 + l2 + 1) >> 1;
-    SRC(1,1)=SRC(3,0)= (l1 + 2*l2 + l3 + 2) >> 2;
-    SRC(0,2)=SRC(2,1)=SRC(4,0)= (l2 + l3 + 1) >> 1;
-    SRC(1,2)=SRC(3,1)=SRC(5,0)= (l2 + 2*l3 + l4 + 2) >> 2;
-    SRC(0,3)=SRC(2,2)=SRC(4,1)=SRC(6,0)= (l3 + l4 + 1) >> 1;
-    SRC(1,3)=SRC(3,2)=SRC(5,1)=SRC(7,0)= (l3 + 2*l4 + l5 + 2) >> 2;
-    SRC(0,4)=SRC(2,3)=SRC(4,2)=SRC(6,1)= (l4 + l5 + 1) >> 1;
-    SRC(1,4)=SRC(3,3)=SRC(5,2)=SRC(7,1)= (l4 + 2*l5 + l6 + 2) >> 2;
-    SRC(0,5)=SRC(2,4)=SRC(4,3)=SRC(6,2)= (l5 + l6 + 1) >> 1;
-    SRC(1,5)=SRC(3,4)=SRC(5,3)=SRC(7,2)= (l5 + 2*l6 + l7 + 2) >> 2;
-    SRC(0,6)=SRC(2,5)=SRC(4,4)=SRC(6,3)= (l6 + l7 + 1) >> 1;
-    SRC(1,6)=SRC(3,5)=SRC(5,4)=SRC(7,3)= (l6 + 3*l7 + 2) >> 2;
-    SRC(0,7)=SRC(1,7)=SRC(2,6)=SRC(2,7)=SRC(3,6)=
-    SRC(3,7)=SRC(4,5)=SRC(4,6)=SRC(4,7)=SRC(5,5)=
-    SRC(5,6)=SRC(5,7)=SRC(6,4)=SRC(6,5)=SRC(6,6)=
-    SRC(6,7)=SRC(7,4)=SRC(7,5)=SRC(7,6)=SRC(7,7)= l7;
-}
-#undef PREDICT_8x8_LOAD_LEFT
-#undef PREDICT_8x8_LOAD_TOP
-#undef PREDICT_8x8_LOAD_TOPLEFT
-#undef PREDICT_8x8_LOAD_TOPRIGHT
-#undef PREDICT_8x8_DC
-#undef PTR
-#undef PT
-#undef PL
-#undef SRC
-
-static inline void mc_dir_part(H264Context *h, Picture *pic, int n, int square, int chroma_height, int delta, int list,
-                           uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
-                           int src_x_offset, int src_y_offset,
-                           qpel_mc_func *qpix_op, h264_chroma_mc_func chroma_op){
-    MpegEncContext * const s = &h->s;
-    const int mx= h->mv_cache[list][ scan8[n] ][0] + src_x_offset*8;
-    int my=       h->mv_cache[list][ scan8[n] ][1] + src_y_offset*8;
-    const int luma_xy= (mx&3) + ((my&3)<<2);
-    uint8_t * src_y = pic->data[0] + (mx>>2) + (my>>2)*h->mb_linesize;
-    uint8_t * src_cb, * src_cr;
-    int extra_width= h->emu_edge_width;
-    int extra_height= h->emu_edge_height;
-    int emu=0;
-    const int full_mx= mx>>2;
-    const int full_my= my>>2;
-    const int pic_width  = 16*s->mb_width;
-    const int pic_height = 16*s->mb_height >> MB_MBAFF;
-
-    if(!pic->data[0]) //FIXME this is unacceptable, some senseable error concealment must be done for missing reference frames
-        return;
-
-    if(mx&7) extra_width -= 3;
-    if(my&7) extra_height -= 3;
-
-    if(   full_mx < 0-extra_width
-       || full_my < 0-extra_height
-       || full_mx + 16/*FIXME*/ > pic_width + extra_width
-       || full_my + 16/*FIXME*/ > pic_height + extra_height){
-        ff_emulated_edge_mc(s->edge_emu_buffer, src_y - 2 - 2*h->mb_linesize, h->mb_linesize, 16+5, 16+5/*FIXME*/, full_mx-2, full_my-2, pic_width, pic_height);
-            src_y= s->edge_emu_buffer + 2 + 2*h->mb_linesize;
-        emu=1;
-    }
-
-    qpix_op[luma_xy](dest_y, src_y, h->mb_linesize); //FIXME try variable height perhaps?
-    if(!square){
-        qpix_op[luma_xy](dest_y + delta, src_y + delta, h->mb_linesize);
-    }
-
-    if(s->flags&CODEC_FLAG_GRAY) return;
-
-    if(MB_MBAFF){
-        // chroma offset when predicting from a field of opposite parity
-        my += 2 * ((s->mb_y & 1) - (h->ref_cache[list][scan8[n]] & 1));
-        emu |= (my>>3) < 0 || (my>>3) + 8 >= (pic_height>>1);
-    }
-    src_cb= pic->data[1] + (mx>>3) + (my>>3)*h->mb_uvlinesize;
-    src_cr= pic->data[2] + (mx>>3) + (my>>3)*h->mb_uvlinesize;
-
-    if(emu){
-        ff_emulated_edge_mc(s->edge_emu_buffer, src_cb, h->mb_uvlinesize, 9, 9/*FIXME*/, (mx>>3), (my>>3), pic_width>>1, pic_height>>1);
-            src_cb= s->edge_emu_buffer;
-    }
-    chroma_op(dest_cb, src_cb, h->mb_uvlinesize, chroma_height, mx&7, my&7);
-
-    if(emu){
-        ff_emulated_edge_mc(s->edge_emu_buffer, src_cr, h->mb_uvlinesize, 9, 9/*FIXME*/, (mx>>3), (my>>3), pic_width>>1, pic_height>>1);
-            src_cr= s->edge_emu_buffer;
-    }
-    chroma_op(dest_cr, src_cr, h->mb_uvlinesize, chroma_height, mx&7, my&7);
-}
-
-static inline void mc_part_std(H264Context *h, int n, int square, int chroma_height, int delta,
-                           uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
-                           int x_offset, int y_offset,
-                           qpel_mc_func *qpix_put, h264_chroma_mc_func chroma_put,
-                           qpel_mc_func *qpix_avg, h264_chroma_mc_func chroma_avg,
-                           int list0, int list1){
-    MpegEncContext * const s = &h->s;
-    qpel_mc_func *qpix_op=  qpix_put;
-    h264_chroma_mc_func chroma_op= chroma_put;
-
-    dest_y  += 2*x_offset + 2*y_offset*h->  mb_linesize;
-    dest_cb +=   x_offset +   y_offset*h->mb_uvlinesize;
-    dest_cr +=   x_offset +   y_offset*h->mb_uvlinesize;
-    x_offset += 8*s->mb_x;
-    y_offset += 8*(s->mb_y >> MB_MBAFF);
-
-    if(list0){
-        Picture *ref= &h->ref_list[0][ h->ref_cache[0][ scan8[n] ] ];
-        mc_dir_part(h, ref, n, square, chroma_height, delta, 0,
-                           dest_y, dest_cb, dest_cr, x_offset, y_offset,
-                           qpix_op, chroma_op);
-
-        qpix_op=  qpix_avg;
-        chroma_op= chroma_avg;
-    }
-
-    if(list1){
-        Picture *ref= &h->ref_list[1][ h->ref_cache[1][ scan8[n] ] ];
-        mc_dir_part(h, ref, n, square, chroma_height, delta, 1,
-                           dest_y, dest_cb, dest_cr, x_offset, y_offset,
-                           qpix_op, chroma_op);
-    }
-}
-
-static inline void mc_part_weighted(H264Context *h, int n, int square, int chroma_height, int delta,
-                           uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
-                           int x_offset, int y_offset,
-                           qpel_mc_func *qpix_put, h264_chroma_mc_func chroma_put,
-                           h264_weight_func luma_weight_op, h264_weight_func chroma_weight_op,
-                           h264_biweight_func luma_weight_avg, h264_biweight_func chroma_weight_avg,
-                           int list0, int list1){
-    MpegEncContext * const s = &h->s;
-
-    dest_y  += 2*x_offset + 2*y_offset*h->  mb_linesize;
-    dest_cb +=   x_offset +   y_offset*h->mb_uvlinesize;
-    dest_cr +=   x_offset +   y_offset*h->mb_uvlinesize;
-    x_offset += 8*s->mb_x;
-    y_offset += 8*(s->mb_y >> MB_MBAFF);
-
-    if(list0 && list1){
-        /* don't optimize for luma-only case, since B-frames usually
-         * use implicit weights => chroma too. */
-        uint8_t *tmp_cb = s->obmc_scratchpad;
-        uint8_t *tmp_cr = s->obmc_scratchpad + 8;
-        uint8_t *tmp_y  = s->obmc_scratchpad + 8*h->mb_uvlinesize;
-        int refn0 = h->ref_cache[0][ scan8[n] ];
-        int refn1 = h->ref_cache[1][ scan8[n] ];
-
-        mc_dir_part(h, &h->ref_list[0][refn0], n, square, chroma_height, delta, 0,
-                    dest_y, dest_cb, dest_cr,
-                    x_offset, y_offset, qpix_put, chroma_put);
-        mc_dir_part(h, &h->ref_list[1][refn1], n, square, chroma_height, delta, 1,
-                    tmp_y, tmp_cb, tmp_cr,
-                    x_offset, y_offset, qpix_put, chroma_put);
-
-        if(h->use_weight == 2){
-            int weight0 = h->implicit_weight[refn0][refn1];
-            int weight1 = 64 - weight0;
-            luma_weight_avg(  dest_y,  tmp_y,  h->  mb_linesize, 5, weight0, weight1, 0);
-            chroma_weight_avg(dest_cb, tmp_cb, h->mb_uvlinesize, 5, weight0, weight1, 0);
-            chroma_weight_avg(dest_cr, tmp_cr, h->mb_uvlinesize, 5, weight0, weight1, 0);
-        }else{
-            luma_weight_avg(dest_y, tmp_y, h->mb_linesize, h->luma_log2_weight_denom,
-                            h->luma_weight[0][refn0], h->luma_weight[1][refn1],
-                            h->luma_offset[0][refn0] + h->luma_offset[1][refn1]);
-            chroma_weight_avg(dest_cb, tmp_cb, h->mb_uvlinesize, h->chroma_log2_weight_denom,
-                            h->chroma_weight[0][refn0][0], h->chroma_weight[1][refn1][0],
-                            h->chroma_offset[0][refn0][0] + h->chroma_offset[1][refn1][0]);
-            chroma_weight_avg(dest_cr, tmp_cr, h->mb_uvlinesize, h->chroma_log2_weight_denom,
-                            h->chroma_weight[0][refn0][1], h->chroma_weight[1][refn1][1],
-                            h->chroma_offset[0][refn0][1] + h->chroma_offset[1][refn1][1]);
-        }
-    }else{
-        int list = list1 ? 1 : 0;
-        int refn = h->ref_cache[list][ scan8[n] ];
-        Picture *ref= &h->ref_list[list][refn];
-        mc_dir_part(h, ref, n, square, chroma_height, delta, list,
-                    dest_y, dest_cb, dest_cr, x_offset, y_offset,
-                    qpix_put, chroma_put);
-
-        luma_weight_op(dest_y, h->mb_linesize, h->luma_log2_weight_denom,
-                       h->luma_weight[list][refn], h->luma_offset[list][refn]);
-        if(h->use_weight_chroma){
-            chroma_weight_op(dest_cb, h->mb_uvlinesize, h->chroma_log2_weight_denom,
-                             h->chroma_weight[list][refn][0], h->chroma_offset[list][refn][0]);
-            chroma_weight_op(dest_cr, h->mb_uvlinesize, h->chroma_log2_weight_denom,
-                             h->chroma_weight[list][refn][1], h->chroma_offset[list][refn][1]);
-        }
-    }
-}
-
-static inline void mc_part(H264Context *h, int n, int square, int chroma_height, int delta,
-                           uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
-                           int x_offset, int y_offset,
-                           qpel_mc_func *qpix_put, h264_chroma_mc_func chroma_put,
-                           qpel_mc_func *qpix_avg, h264_chroma_mc_func chroma_avg,
-                           h264_weight_func *weight_op, h264_biweight_func *weight_avg,
-                           int list0, int list1){
-    if((h->use_weight==2 && list0 && list1
-        && (h->implicit_weight[ h->ref_cache[0][scan8[n]] ][ h->ref_cache[1][scan8[n]] ] != 32))
-       || h->use_weight==1)
-        mc_part_weighted(h, n, square, chroma_height, delta, dest_y, dest_cb, dest_cr,
-                         x_offset, y_offset, qpix_put, chroma_put,
-                         weight_op[0], weight_op[3], weight_avg[0], weight_avg[3], list0, list1);
-    else
-        mc_part_std(h, n, square, chroma_height, delta, dest_y, dest_cb, dest_cr,
-                    x_offset, y_offset, qpix_put, chroma_put, qpix_avg, chroma_avg, list0, list1);
-}
-
-static inline void prefetch_motion(H264Context *h, int list){
-    /* fetch pixels for estimated mv 4 macroblocks ahead
-     * optimized for 64byte cache lines */
-    MpegEncContext * const s = &h->s;
-    const int refn = h->ref_cache[list][scan8[0]];
-    if(refn >= 0){
-        const int mx= (h->mv_cache[list][scan8[0]][0]>>2) + 16*s->mb_x + 8;
-        const int my= (h->mv_cache[list][scan8[0]][1]>>2) + 16*s->mb_y;
-        uint8_t **src= h->ref_list[list][refn].data;
-        int off= mx + (my + (s->mb_x&3)*4)*h->mb_linesize + 64;
-        s->dsp.prefetch(src[0]+off, s->linesize, 4);
-        off= (mx>>1) + ((my>>1) + (s->mb_x&7))*s->uvlinesize + 64;
-        s->dsp.prefetch(src[1]+off, src[2]-src[1], 2);
-    }
-}
-
-static void hl_motion(H264Context *h, uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
-                      qpel_mc_func (*qpix_put)[16], h264_chroma_mc_func (*chroma_put),
-                      qpel_mc_func (*qpix_avg)[16], h264_chroma_mc_func (*chroma_avg),
-                      h264_weight_func *weight_op, h264_biweight_func *weight_avg){
-    MpegEncContext * const s = &h->s;
-    const int mb_xy= s->mb_x + s->mb_y*s->mb_stride;
-    const int mb_type= s->current_picture.mb_type[mb_xy];
-
-    assert(IS_INTER(mb_type));
-
-    prefetch_motion(h, 0);
-
-    if(IS_16X16(mb_type)){
-        mc_part(h, 0, 1, 8, 0, dest_y, dest_cb, dest_cr, 0, 0,
-                qpix_put[0], chroma_put[0], qpix_avg[0], chroma_avg[0],
-                &weight_op[0], &weight_avg[0],
-                IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1));
-    }else if(IS_16X8(mb_type)){
-        mc_part(h, 0, 0, 4, 8, dest_y, dest_cb, dest_cr, 0, 0,
-                qpix_put[1], chroma_put[0], qpix_avg[1], chroma_avg[0],
-                &weight_op[1], &weight_avg[1],
-                IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1));
-        mc_part(h, 8, 0, 4, 8, dest_y, dest_cb, dest_cr, 0, 4,
-                qpix_put[1], chroma_put[0], qpix_avg[1], chroma_avg[0],
-                &weight_op[1], &weight_avg[1],
-                IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1));
-    }else if(IS_8X16(mb_type)){
-        mc_part(h, 0, 0, 8, 8*h->mb_linesize, dest_y, dest_cb, dest_cr, 0, 0,
-                qpix_put[1], chroma_put[1], qpix_avg[1], chroma_avg[1],
-                &weight_op[2], &weight_avg[2],
-                IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1));
-        mc_part(h, 4, 0, 8, 8*h->mb_linesize, dest_y, dest_cb, dest_cr, 4, 0,
-                qpix_put[1], chroma_put[1], qpix_avg[1], chroma_avg[1],
-                &weight_op[2], &weight_avg[2],
-                IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1));
-    }else{
-        int i;
-
-        assert(IS_8X8(mb_type));
-
-        for(i=0; i<4; i++){
-            const int sub_mb_type= h->sub_mb_type[i];
-            const int n= 4*i;
-            int x_offset= (i&1)<<2;
-            int y_offset= (i&2)<<1;
-
-            if(IS_SUB_8X8(sub_mb_type)){
-                mc_part(h, n, 1, 4, 0, dest_y, dest_cb, dest_cr, x_offset, y_offset,
-                    qpix_put[1], chroma_put[1], qpix_avg[1], chroma_avg[1],
-                    &weight_op[3], &weight_avg[3],
-                    IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
-            }else if(IS_SUB_8X4(sub_mb_type)){
-                mc_part(h, n  , 0, 2, 4, dest_y, dest_cb, dest_cr, x_offset, y_offset,
-                    qpix_put[2], chroma_put[1], qpix_avg[2], chroma_avg[1],
-                    &weight_op[4], &weight_avg[4],
-                    IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
-                mc_part(h, n+2, 0, 2, 4, dest_y, dest_cb, dest_cr, x_offset, y_offset+2,
-                    qpix_put[2], chroma_put[1], qpix_avg[2], chroma_avg[1],
-                    &weight_op[4], &weight_avg[4],
-                    IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
-            }else if(IS_SUB_4X8(sub_mb_type)){
-                mc_part(h, n  , 0, 4, 4*h->mb_linesize, dest_y, dest_cb, dest_cr, x_offset, y_offset,
-                    qpix_put[2], chroma_put[2], qpix_avg[2], chroma_avg[2],
-                    &weight_op[5], &weight_avg[5],
-                    IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
-                mc_part(h, n+1, 0, 4, 4*h->mb_linesize, dest_y, dest_cb, dest_cr, x_offset+2, y_offset,
-                    qpix_put[2], chroma_put[2], qpix_avg[2], chroma_avg[2],
-                    &weight_op[5], &weight_avg[5],
-                    IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
-            }else{
-                int j;
-                assert(IS_SUB_4X4(sub_mb_type));
-                for(j=0; j<4; j++){
-                    int sub_x_offset= x_offset + 2*(j&1);
-                    int sub_y_offset= y_offset +   (j&2);
-                    mc_part(h, n+j, 1, 2, 0, dest_y, dest_cb, dest_cr, sub_x_offset, sub_y_offset,
-                        qpix_put[2], chroma_put[2], qpix_avg[2], chroma_avg[2],
-                        &weight_op[6], &weight_avg[6],
-                        IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
-                }
-            }
-        }
-    }
-
-    prefetch_motion(h, 1);
-}
-
-static void decode_init_vlc(void){
-    static int done = 0;
-
-    if (!done) {
-        int i;
-        done = 1;
-
-        init_vlc(&chroma_dc_coeff_token_vlc, CHROMA_DC_COEFF_TOKEN_VLC_BITS, 4*5,
-                 &chroma_dc_coeff_token_len [0], 1, 1,
-                 &chroma_dc_coeff_token_bits[0], 1, 1, 1);
-
-        for(i=0; i<4; i++){
-            init_vlc(&coeff_token_vlc[i], COEFF_TOKEN_VLC_BITS, 4*17,
-                     &coeff_token_len [i][0], 1, 1,
-                     &coeff_token_bits[i][0], 1, 1, 1);
-        }
-
-        for(i=0; i<3; i++){
-            init_vlc(&chroma_dc_total_zeros_vlc[i], CHROMA_DC_TOTAL_ZEROS_VLC_BITS, 4,
-                     &chroma_dc_total_zeros_len [i][0], 1, 1,
-                     &chroma_dc_total_zeros_bits[i][0], 1, 1, 1);
-        }
-        for(i=0; i<15; i++){
-            init_vlc(&total_zeros_vlc[i], TOTAL_ZEROS_VLC_BITS, 16,
-                     &total_zeros_len [i][0], 1, 1,
-                     &total_zeros_bits[i][0], 1, 1, 1);
-        }
-
-        for(i=0; i<6; i++){
-            init_vlc(&run_vlc[i], RUN_VLC_BITS, 7,
-                     &run_len [i][0], 1, 1,
-                     &run_bits[i][0], 1, 1, 1);
-        }
-        init_vlc(&run7_vlc, RUN7_VLC_BITS, 16,
-                 &run_len [6][0], 1, 1,
-                 &run_bits[6][0], 1, 1, 1);
-    }
-}
-
-/**
- * Sets the intra prediction function pointers.
- */
-static void init_pred_ptrs(H264Context *h){
-//    MpegEncContext * const s = &h->s;
-
-    h->pred4x4[VERT_PRED           ]= pred4x4_vertical_c;
-    h->pred4x4[HOR_PRED            ]= pred4x4_horizontal_c;
-    h->pred4x4[DC_PRED             ]= pred4x4_dc_c;
-    h->pred4x4[DIAG_DOWN_LEFT_PRED ]= pred4x4_down_left_c;
-    h->pred4x4[DIAG_DOWN_RIGHT_PRED]= pred4x4_down_right_c;
-    h->pred4x4[VERT_RIGHT_PRED     ]= pred4x4_vertical_right_c;
-    h->pred4x4[HOR_DOWN_PRED       ]= pred4x4_horizontal_down_c;
-    h->pred4x4[VERT_LEFT_PRED      ]= pred4x4_vertical_left_c;
-    h->pred4x4[HOR_UP_PRED         ]= pred4x4_horizontal_up_c;
-    h->pred4x4[LEFT_DC_PRED        ]= pred4x4_left_dc_c;
-    h->pred4x4[TOP_DC_PRED         ]= pred4x4_top_dc_c;
-    h->pred4x4[DC_128_PRED         ]= pred4x4_128_dc_c;
-
-    h->pred8x8l[VERT_PRED           ]= pred8x8l_vertical_c;
-    h->pred8x8l[HOR_PRED            ]= pred8x8l_horizontal_c;
-    h->pred8x8l[DC_PRED             ]= pred8x8l_dc_c;
-    h->pred8x8l[DIAG_DOWN_LEFT_PRED ]= pred8x8l_down_left_c;
-    h->pred8x8l[DIAG_DOWN_RIGHT_PRED]= pred8x8l_down_right_c;
-    h->pred8x8l[VERT_RIGHT_PRED     ]= pred8x8l_vertical_right_c;
-    h->pred8x8l[HOR_DOWN_PRED       ]= pred8x8l_horizontal_down_c;
-    h->pred8x8l[VERT_LEFT_PRED      ]= pred8x8l_vertical_left_c;
-    h->pred8x8l[HOR_UP_PRED         ]= pred8x8l_horizontal_up_c;
-    h->pred8x8l[LEFT_DC_PRED        ]= pred8x8l_left_dc_c;
-    h->pred8x8l[TOP_DC_PRED         ]= pred8x8l_top_dc_c;
-    h->pred8x8l[DC_128_PRED         ]= pred8x8l_128_dc_c;
-
-    h->pred8x8[DC_PRED8x8     ]= ff_pred8x8_dc_c;
-    h->pred8x8[VERT_PRED8x8   ]= ff_pred8x8_vertical_c;
-    h->pred8x8[HOR_PRED8x8    ]= ff_pred8x8_horizontal_c;
-    h->pred8x8[PLANE_PRED8x8  ]= ff_pred8x8_plane_c;
-    h->pred8x8[LEFT_DC_PRED8x8]= pred8x8_left_dc_c;
-    h->pred8x8[TOP_DC_PRED8x8 ]= pred8x8_top_dc_c;
-    h->pred8x8[DC_128_PRED8x8 ]= ff_pred8x8_128_dc_c;
-
-    h->pred16x16[DC_PRED8x8     ]= ff_pred16x16_dc_c;
-    h->pred16x16[VERT_PRED8x8   ]= ff_pred16x16_vertical_c;
-    h->pred16x16[HOR_PRED8x8    ]= ff_pred16x16_horizontal_c;
-    h->pred16x16[PLANE_PRED8x8  ]= ff_pred16x16_plane_c;
-    h->pred16x16[LEFT_DC_PRED8x8]= pred16x16_left_dc_c;
-    h->pred16x16[TOP_DC_PRED8x8 ]= pred16x16_top_dc_c;
-    h->pred16x16[DC_128_PRED8x8 ]= ff_pred16x16_128_dc_c;
-}
-
-static void free_tables(H264Context *h){
-    av_freep(&h->intra4x4_pred_mode);
-    av_freep(&h->chroma_pred_mode_table);
-    av_freep(&h->cbp_table);
-    av_freep(&h->mvd_table[0]);
-    av_freep(&h->mvd_table[1]);
-    av_freep(&h->direct_table);
-    av_freep(&h->non_zero_count);
-    av_freep(&h->slice_table_base);
-    av_freep(&h->top_borders[1]);
-    av_freep(&h->top_borders[0]);
-    h->slice_table= NULL;
-
-    av_freep(&h->mb2b_xy);
-    av_freep(&h->mb2b8_xy);
-
-    av_freep(&h->s.obmc_scratchpad);
-}
-
-static void init_dequant8_coeff_table(H264Context *h){
-    int i,q,x;
-    const int transpose = (h->s.dsp.h264_idct8_add != ff_h264_idct8_add_c); //FIXME ugly
-    h->dequant8_coeff[0] = h->dequant8_buffer[0];
-    h->dequant8_coeff[1] = h->dequant8_buffer[1];
-
-    for(i=0; i<2; i++ ){
-        if(i && !memcmp(h->pps.scaling_matrix8[0], h->pps.scaling_matrix8[1], 64*sizeof(uint8_t))){
-            h->dequant8_coeff[1] = h->dequant8_buffer[0];
-            break;
-        }
-
-        for(q=0; q<52; q++){
-            int shift = ff_div6[q];
-            int idx = ff_rem6[q];
-            for(x=0; x<64; x++)
-                h->dequant8_coeff[i][q][transpose ? (x>>3)|((x&7)<<3) : x] =
-                    ((uint32_t)dequant8_coeff_init[idx][ dequant8_coeff_init_scan[((x>>1)&12) | (x&3)] ] *
-                    h->pps.scaling_matrix8[i][x]) << shift;
-        }
-    }
-}
-
-static void init_dequant4_coeff_table(H264Context *h){
-    int i,j,q,x;
-    const int transpose = (h->s.dsp.h264_idct_add != ff_h264_idct_add_c); //FIXME ugly
-    for(i=0; i<6; i++ ){
-        h->dequant4_coeff[i] = h->dequant4_buffer[i];
-        for(j=0; j<i; j++){
-            if(!memcmp(h->pps.scaling_matrix4[j], h->pps.scaling_matrix4[i], 16*sizeof(uint8_t))){
-                h->dequant4_coeff[i] = h->dequant4_buffer[j];
-                break;
-            }
-        }
-        if(j<i)
-            continue;
-
-        for(q=0; q<52; q++){
-            int shift = ff_div6[q] + 2;
-            int idx = ff_rem6[q];
-            for(x=0; x<16; x++)
-                h->dequant4_coeff[i][q][transpose ? (x>>2)|((x<<2)&0xF) : x] =
-                    ((uint32_t)dequant4_coeff_init[idx][(x&1) + ((x>>2)&1)] *
-                    h->pps.scaling_matrix4[i][x]) << shift;
-        }
-    }
-}
-
-static void init_dequant_tables(H264Context *h){
-    int i,x;
-    init_dequant4_coeff_table(h);
-    if(h->pps.transform_8x8_mode)
-        init_dequant8_coeff_table(h);
-    if(h->sps.transform_bypass){
-        for(i=0; i<6; i++)
-            for(x=0; x<16; x++)
-                h->dequant4_coeff[i][0][x] = 1<<6;
-        if(h->pps.transform_8x8_mode)
-            for(i=0; i<2; i++)
-                for(x=0; x<64; x++)
-                    h->dequant8_coeff[i][0][x] = 1<<6;
-    }
-}
-
-
-/**
- * allocates tables.
- * needs width/height
- */
-static int alloc_tables(H264Context *h){
-    MpegEncContext * const s = &h->s;
-    const int big_mb_num= s->mb_stride * (s->mb_height+1);
-    int x,y;
-
-    CHECKED_ALLOCZ(h->intra4x4_pred_mode, big_mb_num * 8  * sizeof(uint8_t))
-
-    CHECKED_ALLOCZ(h->non_zero_count    , big_mb_num * 16 * sizeof(uint8_t))
-    CHECKED_ALLOCZ(h->slice_table_base  , (big_mb_num+s->mb_stride) * sizeof(uint8_t))
-    CHECKED_ALLOCZ(h->top_borders[0]    , s->mb_width * (16+8+8) * sizeof(uint8_t))
-    CHECKED_ALLOCZ(h->top_borders[1]    , s->mb_width * (16+8+8) * sizeof(uint8_t))
-    CHECKED_ALLOCZ(h->cbp_table, big_mb_num * sizeof(uint16_t))
-
-    if( h->pps.cabac ) {
-        CHECKED_ALLOCZ(h->chroma_pred_mode_table, big_mb_num * sizeof(uint8_t))
-        CHECKED_ALLOCZ(h->mvd_table[0], 32*big_mb_num * sizeof(uint16_t));
-        CHECKED_ALLOCZ(h->mvd_table[1], 32*big_mb_num * sizeof(uint16_t));
-        CHECKED_ALLOCZ(h->direct_table, 32*big_mb_num * sizeof(uint8_t));
-    }
-
-    memset(h->slice_table_base, -1, (big_mb_num+s->mb_stride)  * sizeof(uint8_t));
-    h->slice_table= h->slice_table_base + s->mb_stride*2 + 1;
-
-    CHECKED_ALLOCZ(h->mb2b_xy  , big_mb_num * sizeof(uint32_t));
-    CHECKED_ALLOCZ(h->mb2b8_xy , big_mb_num * sizeof(uint32_t));
-    for(y=0; y<s->mb_height; y++){
-        for(x=0; x<s->mb_width; x++){
-            const int mb_xy= x + y*s->mb_stride;
-            const int b_xy = 4*x + 4*y*h->b_stride;
-            const int b8_xy= 2*x + 2*y*h->b8_stride;
-
-            h->mb2b_xy [mb_xy]= b_xy;
-            h->mb2b8_xy[mb_xy]= b8_xy;
-        }
-    }
-
-    s->obmc_scratchpad = NULL;
-
-    if(!h->dequant4_coeff[0])
-        init_dequant_tables(h);
-
-    return 0;
-fail:
-    free_tables(h);
-    return -1;
-}
-
-static void common_init(H264Context *h){
-    MpegEncContext * const s = &h->s;
-
-    s->width = s->avctx->width;
-    s->height = s->avctx->height;
-    s->codec_id= s->avctx->codec->id;
-
-    init_pred_ptrs(h);
-
-    h->dequant_coeff_pps= -1;
-    s->unrestricted_mv=1;
-    s->decode=1; //FIXME
-
-    memset(h->pps.scaling_matrix4, 16, 6*16*sizeof(uint8_t));
-    memset(h->pps.scaling_matrix8, 16, 2*64*sizeof(uint8_t));
-}
-
-static int decode_init(AVCodecContext *avctx){
-    H264Context *h= avctx->priv_data;
-    MpegEncContext * const s = &h->s;
-
-    MPV_decode_defaults(s);
-
-    s->avctx = avctx;
-    common_init(h);
-
-    s->out_format = FMT_H264;
-    s->workaround_bugs= avctx->workaround_bugs;
-
-    // set defaults
-//    s->decode_mb= ff_h263_decode_mb;
-    s->low_delay= 1;
-    avctx->pix_fmt= PIX_FMT_YUV420P;
-
-    decode_init_vlc();
-
-    if(avctx->extradata_size > 0 && avctx->extradata &&
-       *(char *)avctx->extradata == 1){
-        h->is_avc = 1;
-        h->got_avcC = 0;
-    } else {
-        h->is_avc = 0;
-    }
-
-    return 0;
-}
-
-static int frame_start(H264Context *h){
-    MpegEncContext * const s = &h->s;
-    int i;
-
-    if(MPV_frame_start(s, s->avctx) < 0)
-        return -1;
-    ff_er_frame_start(s);
-
-    assert(s->linesize && s->uvlinesize);
-
-    for(i=0; i<16; i++){
-        h->block_offset[i]= 4*((scan8[i] - scan8[0])&7) + 4*s->linesize*((scan8[i] - scan8[0])>>3);
-        h->block_offset[24+i]= 4*((scan8[i] - scan8[0])&7) + 8*s->linesize*((scan8[i] - scan8[0])>>3);
-    }
-    for(i=0; i<4; i++){
-        h->block_offset[16+i]=
-        h->block_offset[20+i]= 4*((scan8[i] - scan8[0])&7) + 4*s->uvlinesize*((scan8[i] - scan8[0])>>3);
-        h->block_offset[24+16+i]=
-        h->block_offset[24+20+i]= 4*((scan8[i] - scan8[0])&7) + 8*s->uvlinesize*((scan8[i] - scan8[0])>>3);
-    }
-
-    /* can't be in alloc_tables because linesize isn't known there.
-     * FIXME: redo bipred weight to not require extra buffer? */
-    if(!s->obmc_scratchpad)
-        s->obmc_scratchpad = av_malloc(16*2*s->linesize + 8*2*s->uvlinesize);
-
-    /* some macroblocks will be accessed before they're available */
-    if(FRAME_MBAFF)
-        memset(h->slice_table, -1, (s->mb_height*s->mb_stride-1) * sizeof(uint8_t));
-
-//    s->decode= (s->flags&CODEC_FLAG_PSNR) || !s->encoding || s->current_picture.reference /*|| h->contains_intra*/ || 1;
-    return 0;
-}
-
-static inline void backup_mb_border(H264Context *h, uint8_t *src_y, uint8_t *src_cb, uint8_t *src_cr, int linesize, int uvlinesize){
-    MpegEncContext * const s = &h->s;
-    int i;
-
-    src_y  -=   linesize;
-    src_cb -= uvlinesize;
-    src_cr -= uvlinesize;
-
-    // There are two lines saved, the line above the the top macroblock of a pair,
-    // and the line above the bottom macroblock
-    h->left_border[0]= h->top_borders[0][s->mb_x][15];
-    for(i=1; i<17; i++){
-        h->left_border[i]= src_y[15+i*  linesize];
-    }
-
-    *(uint64_t*)(h->top_borders[0][s->mb_x]+0)= *(uint64_t*)(src_y +  16*linesize);
-    *(uint64_t*)(h->top_borders[0][s->mb_x]+8)= *(uint64_t*)(src_y +8+16*linesize);
-
-    if(!(s->flags&CODEC_FLAG_GRAY)){
-        h->left_border[17  ]= h->top_borders[0][s->mb_x][16+7];
-        h->left_border[17+9]= h->top_borders[0][s->mb_x][24+7];
-        for(i=1; i<9; i++){
-            h->left_border[i+17  ]= src_cb[7+i*uvlinesize];
-            h->left_border[i+17+9]= src_cr[7+i*uvlinesize];
-        }
-        *(uint64_t*)(h->top_borders[0][s->mb_x]+16)= *(uint64_t*)(src_cb+8*uvlinesize);
-        *(uint64_t*)(h->top_borders[0][s->mb_x]+24)= *(uint64_t*)(src_cr+8*uvlinesize);
-    }
-}
-
-static inline void xchg_mb_border(H264Context *h, uint8_t *src_y, uint8_t *src_cb, uint8_t *src_cr, int linesize, int uvlinesize, int xchg){
-    MpegEncContext * const s = &h->s;
-    int temp8, i;
-    uint64_t temp64;
-    int deblock_left = (s->mb_x > 0);
-    int deblock_top  = (s->mb_y > 0);
-
-    src_y  -=   linesize + 1;
-    src_cb -= uvlinesize + 1;
-    src_cr -= uvlinesize + 1;
-
-#define XCHG(a,b,t,xchg)\
-t= a;\
-if(xchg)\
-    a= b;\
-b= t;
-
-    if(deblock_left){
-        for(i = !deblock_top; i<17; i++){
-            XCHG(h->left_border[i     ], src_y [i*  linesize], temp8, xchg);
-        }
-    }
-
-    if(deblock_top){
-        XCHG(*(uint64_t*)(h->top_borders[0][s->mb_x]+0), *(uint64_t*)(src_y +1), temp64, xchg);
-        XCHG(*(uint64_t*)(h->top_borders[0][s->mb_x]+8), *(uint64_t*)(src_y +9), temp64, 1);
-        if(s->mb_x+1 < s->mb_width){
-            XCHG(*(uint64_t*)(h->top_borders[0][s->mb_x+1]), *(uint64_t*)(src_y +17), temp64, 1);
-        }
-    }
-
-    if(!(s->flags&CODEC_FLAG_GRAY)){
-        if(deblock_left){
-            for(i = !deblock_top; i<9; i++){
-                XCHG(h->left_border[i+17  ], src_cb[i*uvlinesize], temp8, xchg);
-                XCHG(h->left_border[i+17+9], src_cr[i*uvlinesize], temp8, xchg);
-            }
-        }
-        if(deblock_top){
-            XCHG(*(uint64_t*)(h->top_borders[0][s->mb_x]+16), *(uint64_t*)(src_cb+1), temp64, 1);
-            XCHG(*(uint64_t*)(h->top_borders[0][s->mb_x]+24), *(uint64_t*)(src_cr+1), temp64, 1);
-        }
-    }
-}
-
-static inline void backup_pair_border(H264Context *h, uint8_t *src_y, uint8_t *src_cb, uint8_t *src_cr, int linesize, int uvlinesize){
-    MpegEncContext * const s = &h->s;
-    int i;
-
-    src_y  -= 2 *   linesize;
-    src_cb -= 2 * uvlinesize;
-    src_cr -= 2 * uvlinesize;
-
-    // There are two lines saved, the line above the the top macroblock of a pair,
-    // and the line above the bottom macroblock
-    h->left_border[0]= h->top_borders[0][s->mb_x][15];
-    h->left_border[1]= h->top_borders[1][s->mb_x][15];
-    for(i=2; i<34; i++){
-        h->left_border[i]= src_y[15+i*  linesize];
-    }
-
-    *(uint64_t*)(h->top_borders[0][s->mb_x]+0)= *(uint64_t*)(src_y +  32*linesize);
-    *(uint64_t*)(h->top_borders[0][s->mb_x]+8)= *(uint64_t*)(src_y +8+32*linesize);
-    *(uint64_t*)(h->top_borders[1][s->mb_x]+0)= *(uint64_t*)(src_y +  33*linesize);
-    *(uint64_t*)(h->top_borders[1][s->mb_x]+8)= *(uint64_t*)(src_y +8+33*linesize);
-
-    if(!(s->flags&CODEC_FLAG_GRAY)){
-        h->left_border[34     ]= h->top_borders[0][s->mb_x][16+7];
-        h->left_border[34+   1]= h->top_borders[1][s->mb_x][16+7];
-        h->left_border[34+18  ]= h->top_borders[0][s->mb_x][24+7];
-        h->left_border[34+18+1]= h->top_borders[1][s->mb_x][24+7];
-        for(i=2; i<18; i++){
-            h->left_border[i+34   ]= src_cb[7+i*uvlinesize];
-            h->left_border[i+34+18]= src_cr[7+i*uvlinesize];
-        }
-        *(uint64_t*)(h->top_borders[0][s->mb_x]+16)= *(uint64_t*)(src_cb+16*uvlinesize);
-        *(uint64_t*)(h->top_borders[0][s->mb_x]+24)= *(uint64_t*)(src_cr+16*uvlinesize);
-        *(uint64_t*)(h->top_borders[1][s->mb_x]+16)= *(uint64_t*)(src_cb+17*uvlinesize);
-        *(uint64_t*)(h->top_borders[1][s->mb_x]+24)= *(uint64_t*)(src_cr+17*uvlinesize);
-    }
-}
-
-static inline void xchg_pair_border(H264Context *h, uint8_t *src_y, uint8_t *src_cb, uint8_t *src_cr, int linesize, int uvlinesize, int xchg){
-    MpegEncContext * const s = &h->s;
-    int temp8, i;
-    uint64_t temp64;
-    int deblock_left = (s->mb_x > 0);
-    int deblock_top  = (s->mb_y > 1);
-
-    tprintf(s->avctx, "xchg_pair_border: src_y:%p src_cb:%p src_cr:%p ls:%d uvls:%d\n", src_y, src_cb, src_cr, linesize, uvlinesize);
-
-    src_y  -= 2 *   linesize + 1;
-    src_cb -= 2 * uvlinesize + 1;
-    src_cr -= 2 * uvlinesize + 1;
-
-#define XCHG(a,b,t,xchg)\
-t= a;\
-if(xchg)\
-    a= b;\
-b= t;
-
-    if(deblock_left){
-        for(i = (!deblock_top)<<1; i<34; i++){
-            XCHG(h->left_border[i     ], src_y [i*  linesize], temp8, xchg);
-        }
-    }
-
-    if(deblock_top){
-        XCHG(*(uint64_t*)(h->top_borders[0][s->mb_x]+0), *(uint64_t*)(src_y +1), temp64, xchg);
-        XCHG(*(uint64_t*)(h->top_borders[0][s->mb_x]+8), *(uint64_t*)(src_y +9), temp64, 1);
-        XCHG(*(uint64_t*)(h->top_borders[1][s->mb_x]+0), *(uint64_t*)(src_y +1 +linesize), temp64, xchg);
-        XCHG(*(uint64_t*)(h->top_borders[1][s->mb_x]+8), *(uint64_t*)(src_y +9 +linesize), temp64, 1);
-        if(s->mb_x+1 < s->mb_width){
-            XCHG(*(uint64_t*)(h->top_borders[0][s->mb_x+1]), *(uint64_t*)(src_y +17), temp64, 1);
-            XCHG(*(uint64_t*)(h->top_borders[1][s->mb_x+1]), *(uint64_t*)(src_y +17 +linesize), temp64, 1);
-        }
-    }
-
-    if(!(s->flags&CODEC_FLAG_GRAY)){
-        if(deblock_left){
-            for(i = (!deblock_top) << 1; i<18; i++){
-                XCHG(h->left_border[i+34   ], src_cb[i*uvlinesize], temp8, xchg);
-                XCHG(h->left_border[i+34+18], src_cr[i*uvlinesize], temp8, xchg);
-            }
-        }
-        if(deblock_top){
-            XCHG(*(uint64_t*)(h->top_borders[0][s->mb_x]+16), *(uint64_t*)(src_cb+1), temp64, 1);
-            XCHG(*(uint64_t*)(h->top_borders[0][s->mb_x]+24), *(uint64_t*)(src_cr+1), temp64, 1);
-            XCHG(*(uint64_t*)(h->top_borders[1][s->mb_x]+16), *(uint64_t*)(src_cb+1 +uvlinesize), temp64, 1);
-            XCHG(*(uint64_t*)(h->top_borders[1][s->mb_x]+24), *(uint64_t*)(src_cr+1 +uvlinesize), temp64, 1);
-        }
-    }
-}
-
-static av_always_inline void hl_decode_mb_internal(H264Context *h, int simple){
-    MpegEncContext * const s = &h->s;
-    const int mb_x= s->mb_x;
-    const int mb_y= s->mb_y;
-    const int mb_xy= mb_x + mb_y*s->mb_stride;
-    const int mb_type= s->current_picture.mb_type[mb_xy];
-    uint8_t  *dest_y, *dest_cb, *dest_cr;
-    int linesize, uvlinesize /*dct_offset*/;
-    int i;
-    int *block_offset = &h->block_offset[0];
-    const unsigned int bottom = mb_y & 1;
-    const int transform_bypass = (s->qscale == 0 && h->sps.transform_bypass), is_h264 = (simple || s->codec_id == CODEC_ID_H264);
-    void (*idct_add)(uint8_t *dst, DCTELEM *block, int stride);
-    void (*idct_dc_add)(uint8_t *dst, DCTELEM *block, int stride);
-
-    dest_y  = s->current_picture.data[0] + (mb_y * 16* s->linesize  ) + mb_x * 16;
-    dest_cb = s->current_picture.data[1] + (mb_y * 8 * s->uvlinesize) + mb_x * 8;
-    dest_cr = s->current_picture.data[2] + (mb_y * 8 * s->uvlinesize) + mb_x * 8;
-
-    s->dsp.prefetch(dest_y + (s->mb_x&3)*4*s->linesize + 64, s->linesize, 4);
-    s->dsp.prefetch(dest_cb + (s->mb_x&7)*s->uvlinesize + 64, dest_cr - dest_cb, 2);
-
-    if (!simple && MB_FIELD) {
-        linesize   = h->mb_linesize   = s->linesize * 2;
-        uvlinesize = h->mb_uvlinesize = s->uvlinesize * 2;
-        block_offset = &h->block_offset[24];
-        if(mb_y&1){ //FIXME move out of this func?
-            dest_y -= s->linesize*15;
-            dest_cb-= s->uvlinesize*7;
-            dest_cr-= s->uvlinesize*7;
-        }
-        if(FRAME_MBAFF) {
-            int list;
-            for(list=0; list<h->list_count; list++){
-                if(!USES_LIST(mb_type, list))
-                    continue;
-                if(IS_16X16(mb_type)){
-                    int8_t *ref = &h->ref_cache[list][scan8[0]];
-                    fill_rectangle(ref, 4, 4, 8, 16+*ref^(s->mb_y&1), 1);
-                }else{
-                    for(i=0; i<16; i+=4){
-                        //FIXME can refs be smaller than 8x8 when !direct_8x8_inference ?
-                        int ref = h->ref_cache[list][scan8[i]];
-                        if(ref >= 0)
-                            fill_rectangle(&h->ref_cache[list][scan8[i]], 2, 2, 8, 16+ref^(s->mb_y&1), 1);
-                    }
-                }
-            }
-        }
-    } else {
-        linesize   = h->mb_linesize   = s->linesize;
-        uvlinesize = h->mb_uvlinesize = s->uvlinesize;
-//        dct_offset = s->linesize * 16;
-    }
-
-    if(transform_bypass){
-        idct_dc_add =
-        idct_add = IS_8x8DCT(mb_type) ? s->dsp.add_pixels8 : s->dsp.add_pixels4;
-    }else if(IS_8x8DCT(mb_type)){
-        idct_dc_add = s->dsp.h264_idct8_dc_add;
-        idct_add = s->dsp.h264_idct8_add;
-    }else{
-        idct_dc_add = s->dsp.h264_idct_dc_add;
-        idct_add = s->dsp.h264_idct_add;
-    }
-
-    if(!simple && FRAME_MBAFF && h->deblocking_filter && IS_INTRA(mb_type)
-       && (!bottom || !IS_INTRA(s->current_picture.mb_type[mb_xy-s->mb_stride]))){
-        int mbt_y = mb_y&~1;
-        uint8_t *top_y  = s->current_picture.data[0] + (mbt_y * 16* s->linesize  ) + mb_x * 16;
-        uint8_t *top_cb = s->current_picture.data[1] + (mbt_y * 8 * s->uvlinesize) + mb_x * 8;
-        uint8_t *top_cr = s->current_picture.data[2] + (mbt_y * 8 * s->uvlinesize) + mb_x * 8;
-        xchg_pair_border(h, top_y, top_cb, top_cr, s->linesize, s->uvlinesize, 1);
-    }
-
-    if (!simple && IS_INTRA_PCM(mb_type)) {
-        unsigned int x, y;
-
-        // The pixels are stored in h->mb array in the same order as levels,
-        // copy them in output in the correct order.
-        for(i=0; i<16; i++) {
-            for (y=0; y<4; y++) {
-                for (x=0; x<4; x++) {
-                    *(dest_y + block_offset[i] + y*linesize + x) = h->mb[i*16+y*4+x];
-                }
-            }
-        }
-        for(i=16; i<16+4; i++) {
-            for (y=0; y<4; y++) {
-                for (x=0; x<4; x++) {
-                    *(dest_cb + block_offset[i] + y*uvlinesize + x) = h->mb[i*16+y*4+x];
-                }
-            }
-        }
-        for(i=20; i<20+4; i++) {
-            for (y=0; y<4; y++) {
-                for (x=0; x<4; x++) {
-                    *(dest_cr + block_offset[i] + y*uvlinesize + x) = h->mb[i*16+y*4+x];
-                }
-            }
-        }
-    } else {
-        if(IS_INTRA(mb_type)){
-            if(h->deblocking_filter && (simple || !FRAME_MBAFF))
-                xchg_mb_border(h, dest_y, dest_cb, dest_cr, linesize, uvlinesize, 1);
-
-            if(simple || !(s->flags&CODEC_FLAG_GRAY)){
-                h->pred8x8[ h->chroma_pred_mode ](dest_cb, uvlinesize);
-                h->pred8x8[ h->chroma_pred_mode ](dest_cr, uvlinesize);
-            }
-
-            if(IS_INTRA4x4(mb_type)){
-                if(simple || !s->encoding){
-                    if(IS_8x8DCT(mb_type)){
-                        for(i=0; i<16; i+=4){
-                            uint8_t * const ptr= dest_y + block_offset[i];
-                            const int dir= h->intra4x4_pred_mode_cache[ scan8[i] ];
-                            const int nnz = h->non_zero_count_cache[ scan8[i] ];
-                            h->pred8x8l[ dir ](ptr, (h->topleft_samples_available<<i)&0x8000,
-                                                   (h->topright_samples_available<<i)&0x4000, linesize);
-                            if(nnz){
-                                if(nnz == 1 && h->mb[i*16])
-                                    idct_dc_add(ptr, h->mb + i*16, linesize);
-                                else
-                                    idct_add(ptr, h->mb + i*16, linesize);
-                            }
-                        }
-                    }else
-                    for(i=0; i<16; i++){
-                        uint8_t * const ptr= dest_y + block_offset[i];
-                        uint8_t *topright;
-                        const int dir= h->intra4x4_pred_mode_cache[ scan8[i] ];
-                        int nnz, tr;
-
-                        if(dir == DIAG_DOWN_LEFT_PRED || dir == VERT_LEFT_PRED){
-                            const int topright_avail= (h->topright_samples_available<<i)&0x8000;
-                            assert(mb_y || linesize <= block_offset[i]);
-                            if(!topright_avail){
-                                tr= ptr[3 - linesize]*0x01010101;
-                                topright= (uint8_t*) &tr;
-                            }else
-                                topright= ptr + 4 - linesize;
-                        }else
-                            topright= NULL;
-
-                        h->pred4x4[ dir ](ptr, topright, linesize);
-                        nnz = h->non_zero_count_cache[ scan8[i] ];
-                        if(nnz){
-                            if(is_h264){
-                                if(nnz == 1 && h->mb[i*16])
-                                    idct_dc_add(ptr, h->mb + i*16, linesize);
-                                else
-                                    idct_add(ptr, h->mb + i*16, linesize);
-                            }else
-                                svq3_add_idct_c(ptr, h->mb + i*16, linesize, s->qscale, 0);
-                        }
-                    }
-                }
-            }else{
-                h->pred16x16[ h->intra16x16_pred_mode ](dest_y , linesize);
-                if(is_h264){
-                    if(!transform_bypass)
-                        h264_luma_dc_dequant_idct_c(h->mb, s->qscale, h->dequant4_coeff[IS_INTRA(mb_type) ? 0:3][s->qscale][0]);
-                }else
-                    svq3_luma_dc_dequant_idct_c(h->mb, s->qscale);
-            }
-            if(h->deblocking_filter && (simple || !FRAME_MBAFF))
-                xchg_mb_border(h, dest_y, dest_cb, dest_cr, linesize, uvlinesize, 0);
-        }else if(is_h264){
-            hl_motion(h, dest_y, dest_cb, dest_cr,
-                      s->me.qpel_put, s->dsp.put_h264_chroma_pixels_tab,
-                      s->me.qpel_avg, s->dsp.avg_h264_chroma_pixels_tab,
-                      s->dsp.weight_h264_pixels_tab, s->dsp.biweight_h264_pixels_tab);
-        }
-
-
-        if(!IS_INTRA4x4(mb_type)){
-            if(is_h264){
-                if(IS_INTRA16x16(mb_type)){
-                    for(i=0; i<16; i++){
-                        if(h->non_zero_count_cache[ scan8[i] ])
-                            idct_add(dest_y + block_offset[i], h->mb + i*16, linesize);
-                        else if(h->mb[i*16])
-                            idct_dc_add(dest_y + block_offset[i], h->mb + i*16, linesize);
-                    }
-                }else{
-                    const int di = IS_8x8DCT(mb_type) ? 4 : 1;
-                    for(i=0; i<16; i+=di){
-                        int nnz = h->non_zero_count_cache[ scan8[i] ];
-                        if(nnz){
-                            if(nnz==1 && h->mb[i*16])
-                                idct_dc_add(dest_y + block_offset[i], h->mb + i*16, linesize);
-                            else
-                                idct_add(dest_y + block_offset[i], h->mb + i*16, linesize);
-                        }
-                    }
-                }
-            }else{
-                for(i=0; i<16; i++){
-                    if(h->non_zero_count_cache[ scan8[i] ] || h->mb[i*16]){ //FIXME benchmark weird rule, & below
-                        uint8_t * const ptr= dest_y + block_offset[i];
-                        svq3_add_idct_c(ptr, h->mb + i*16, linesize, s->qscale, IS_INTRA(mb_type) ? 1 : 0);
-                    }
-                }
-            }
-        }
-
-        if(simple || !(s->flags&CODEC_FLAG_GRAY)){
-            uint8_t *dest[2] = {dest_cb, dest_cr};
-            if(transform_bypass){
-                idct_add = idct_dc_add = s->dsp.add_pixels4;
-            }else{
-                idct_add = s->dsp.h264_idct_add;
-                idct_dc_add = s->dsp.h264_idct_dc_add;
-                chroma_dc_dequant_idct_c(h->mb + 16*16, h->chroma_qp, h->dequant4_coeff[IS_INTRA(mb_type) ? 1:4][h->chroma_qp][0]);
-                chroma_dc_dequant_idct_c(h->mb + 16*16+4*16, h->chroma_qp, h->dequant4_coeff[IS_INTRA(mb_type) ? 2:5][h->chroma_qp][0]);
-            }
-            if(is_h264){
-                for(i=16; i<16+8; i++){
-                    if(h->non_zero_count_cache[ scan8[i] ])
-                        idct_add(dest[(i&4)>>2] + block_offset[i], h->mb + i*16, uvlinesize);
-                    else if(h->mb[i*16])
-                        idct_dc_add(dest[(i&4)>>2] + block_offset[i], h->mb + i*16, uvlinesize);
-                }
-            }else{
-                for(i=16; i<16+8; i++){
-                    if(h->non_zero_count_cache[ scan8[i] ] || h->mb[i*16]){
-                        uint8_t * const ptr= dest[(i&4)>>2] + block_offset[i];
-                        svq3_add_idct_c(ptr, h->mb + i*16, uvlinesize, chroma_qp[s->qscale + 12] - 12, 2);
-                    }
-                }
-            }
-        }
-    }
-    if(h->deblocking_filter) {
-        if (!simple && FRAME_MBAFF) {
-            //FIXME try deblocking one mb at a time?
-            // the reduction in load/storing mvs and such might outweigh the extra backup/xchg_border
-            const int mb_y = s->mb_y - 1;
-            uint8_t  *pair_dest_y, *pair_dest_cb, *pair_dest_cr;
-            const int mb_xy= mb_x + mb_y*s->mb_stride;
-            const int mb_type_top   = s->current_picture.mb_type[mb_xy];
-            const int mb_type_bottom= s->current_picture.mb_type[mb_xy+s->mb_stride];
-            if (!bottom) return;
-            pair_dest_y  = s->current_picture.data[0] + (mb_y * 16* s->linesize  ) + mb_x * 16;
-            pair_dest_cb = s->current_picture.data[1] + (mb_y * 8 * s->uvlinesize) + mb_x * 8;
-            pair_dest_cr = s->current_picture.data[2] + (mb_y * 8 * s->uvlinesize) + mb_x * 8;
-
-            if(IS_INTRA(mb_type_top | mb_type_bottom))
-                xchg_pair_border(h, pair_dest_y, pair_dest_cb, pair_dest_cr, s->linesize, s->uvlinesize, 0);
-
-            backup_pair_border(h, pair_dest_y, pair_dest_cb, pair_dest_cr, s->linesize, s->uvlinesize);
-            // deblock a pair
-            // top
-            s->mb_y--;
-            tprintf(h->s.avctx, "call mbaff filter_mb mb_x:%d mb_y:%d pair_dest_y = %p, dest_y = %p\n", mb_x, mb_y, pair_dest_y, dest_y);
-            fill_caches(h, mb_type_top, 1); //FIXME don't fill stuff which isn't used by filter_mb
-            h->chroma_qp = get_chroma_qp(h->pps.chroma_qp_index_offset, s->current_picture.qscale_table[mb_xy]);
-            filter_mb(h, mb_x, mb_y, pair_dest_y, pair_dest_cb, pair_dest_cr, linesize, uvlinesize);
-            // bottom
-            s->mb_y++;
-            tprintf(h->s.avctx, "call mbaff filter_mb\n");
-            fill_caches(h, mb_type_bottom, 1); //FIXME don't fill stuff which isn't used by filter_mb
-            h->chroma_qp = get_chroma_qp(h->pps.chroma_qp_index_offset, s->current_picture.qscale_table[mb_xy+s->mb_stride]);
-            filter_mb(h, mb_x, mb_y+1, dest_y, dest_cb, dest_cr, linesize, uvlinesize);
-        } else {
-            tprintf(h->s.avctx, "call filter_mb\n");
-            backup_mb_border(h, dest_y, dest_cb, dest_cr, linesize, uvlinesize);
-            fill_caches(h, mb_type, 1); //FIXME don't fill stuff which isn't used by filter_mb
-            filter_mb_fast(h, mb_x, mb_y, dest_y, dest_cb, dest_cr, linesize, uvlinesize);
-        }
-    }
-}
-
-/**
- * Process a macroblock; this case avoids checks for expensive uncommon cases.
- */
-static void hl_decode_mb_simple(H264Context *h){
-    hl_decode_mb_internal(h, 1);
-}
-
-/**
- * Process a macroblock; this handles edge cases, such as interlacing.
- */
-static void av_noinline hl_decode_mb_complex(H264Context *h){
-    hl_decode_mb_internal(h, 0);
-}
-
-static void hl_decode_mb(H264Context *h){
-    MpegEncContext * const s = &h->s;
-    const int mb_x= s->mb_x;
-    const int mb_y= s->mb_y;
-    const int mb_xy= mb_x + mb_y*s->mb_stride;
-    const int mb_type= s->current_picture.mb_type[mb_xy];
-    int is_complex = FRAME_MBAFF || MB_FIELD || IS_INTRA_PCM(mb_type) || s->codec_id != CODEC_ID_H264 || (s->flags&CODEC_FLAG_GRAY) || s->encoding;
-
-    if(!s->decode)
-        return;
-
-    if (is_complex)
-        hl_decode_mb_complex(h);
-    else hl_decode_mb_simple(h);
-}
-
-/**
- * fills the default_ref_list.
- */
-static int fill_default_ref_list(H264Context *h){
-    MpegEncContext * const s = &h->s;
-    int i;
-    int smallest_poc_greater_than_current = -1;
-    Picture sorted_short_ref[32];
-
-    if(h->slice_type==B_TYPE){
-        int out_i;
-        int limit= INT_MIN;
-
-        /* sort frame according to poc in B slice */
-        for(out_i=0; out_i<h->short_ref_count; out_i++){
-            int best_i=INT_MIN;
-            int best_poc=INT_MAX;
-
-            for(i=0; i<h->short_ref_count; i++){
-                const int poc= h->short_ref[i]->poc;
-                if(poc > limit && poc < best_poc){
-                    best_poc= poc;
-                    best_i= i;
-                }
-            }
-
-            assert(best_i != INT_MIN);
-
-            limit= best_poc;
-            sorted_short_ref[out_i]= *h->short_ref[best_i];
-            tprintf(h->s.avctx, "sorted poc: %d->%d poc:%d fn:%d\n", best_i, out_i, sorted_short_ref[out_i].poc, sorted_short_ref[out_i].frame_num);
-            if (-1 == smallest_poc_greater_than_current) {
-                if (h->short_ref[best_i]->poc >= s->current_picture_ptr->poc) {
-                    smallest_poc_greater_than_current = out_i;
-                }
-            }
-        }
-    }
-
-    if(s->picture_structure == PICT_FRAME){
-        if(h->slice_type==B_TYPE){
-            int list;
-            tprintf(h->s.avctx, "current poc: %d, smallest_poc_greater_than_current: %d\n", s->current_picture_ptr->poc, smallest_poc_greater_than_current);
-
-            // find the largest poc
-            for(list=0; list<2; list++){
-                int index = 0;
-                int j= -99;
-                int step= list ? -1 : 1;
-
-                for(i=0; i<h->short_ref_count && index < h->ref_count[list]; i++, j+=step) {
-                    while(j<0 || j>= h->short_ref_count){
-                        if(j != -99 && step == (list ? -1 : 1))
-                            return -1;
-                        step = -step;
-                        j= smallest_poc_greater_than_current + (step>>1);
-                    }
-                    if(sorted_short_ref[j].reference != 3) continue;
-                    h->default_ref_list[list][index  ]= sorted_short_ref[j];
-                    h->default_ref_list[list][index++].pic_id= sorted_short_ref[j].frame_num;
-                }
-
-                for(i = 0; i < 16 && index < h->ref_count[ list ]; i++){
-                    if(h->long_ref[i] == NULL) continue;
-                    if(h->long_ref[i]->reference != 3) continue;
-
-                    h->default_ref_list[ list ][index  ]= *h->long_ref[i];
-                    h->default_ref_list[ list ][index++].pic_id= i;;
-                }
-
-                if(list && (smallest_poc_greater_than_current<=0 || smallest_poc_greater_than_current>=h->short_ref_count) && (1 < index)){
-                    // swap the two first elements of L1 when
-                    // L0 and L1 are identical
-                    Picture temp= h->default_ref_list[1][0];
-                    h->default_ref_list[1][0] = h->default_ref_list[1][1];
-                    h->default_ref_list[1][1] = temp;
-                }
-
-                if(index < h->ref_count[ list ])
-                    memset(&h->default_ref_list[list][index], 0, sizeof(Picture)*(h->ref_count[ list ] - index));
-            }
-        }else{
-            int index=0;
-            for(i=0; i<h->short_ref_count; i++){
-                if(h->short_ref[i]->reference != 3) continue; //FIXME refernce field shit
-                h->default_ref_list[0][index  ]= *h->short_ref[i];
-                h->default_ref_list[0][index++].pic_id= h->short_ref[i]->frame_num;
-            }
-            for(i = 0; i < 16; i++){
-                if(h->long_ref[i] == NULL) continue;
-                if(h->long_ref[i]->reference != 3) continue;
-                h->default_ref_list[0][index  ]= *h->long_ref[i];
-                h->default_ref_list[0][index++].pic_id= i;;
-            }
-            if(index < h->ref_count[0])
-                memset(&h->default_ref_list[0][index], 0, sizeof(Picture)*(h->ref_count[0] - index));
-        }
-    }else{ //FIELD
-        if(h->slice_type==B_TYPE){
-        }else{
-            //FIXME second field balh
-        }
-    }
-#ifdef TRACE
-    for (i=0; i<h->ref_count[0]; i++) {
-        tprintf(h->s.avctx, "List0: %s fn:%d 0x%p\n", (h->default_ref_list[0][i].long_ref ? "LT" : "ST"), h->default_ref_list[0][i].pic_id, h->default_ref_list[0][i].data[0]);
-    }
-    if(h->slice_type==B_TYPE){
-        for (i=0; i<h->ref_count[1]; i++) {
-            tprintf(h->s.avctx, "List1: %s fn:%d 0x%p\n", (h->default_ref_list[1][i].long_ref ? "LT" : "ST"), h->default_ref_list[1][i].pic_id, h->default_ref_list[0][i].data[0]);
-        }
-    }
-#endif
-    return 0;
-}
-
-static void print_short_term(H264Context *h);
-static void print_long_term(H264Context *h);
-
-static int decode_ref_pic_list_reordering(H264Context *h){
-    MpegEncContext * const s = &h->s;
-    int list, index;
-
-    print_short_term(h);
-    print_long_term(h);
-    if(h->slice_type==I_TYPE || h->slice_type==SI_TYPE) return 0; //FIXME move before func
-
-    for(list=0; list<h->list_count; list++){
-        memcpy(h->ref_list[list], h->default_ref_list[list], sizeof(Picture)*h->ref_count[list]);
-
-        if(get_bits1(&s->gb)){
-            int pred= h->curr_pic_num;
-
-            for(index=0; ; index++){
-                unsigned int reordering_of_pic_nums_idc= get_ue_golomb(&s->gb);
-                unsigned int pic_id;
-                int i;
-                Picture *ref = NULL;
-
-                if(reordering_of_pic_nums_idc==3)
-                    break;
-
-                if(index >= h->ref_count[list]){
-                    av_log(h->s.avctx, AV_LOG_ERROR, "reference count overflow\n");
-                    return -1;
-                }
-
-                if(reordering_of_pic_nums_idc<3){
-                    if(reordering_of_pic_nums_idc<2){
-                        const unsigned int abs_diff_pic_num= get_ue_golomb(&s->gb) + 1;
-
-                        if(abs_diff_pic_num >= h->max_pic_num){
-                            av_log(h->s.avctx, AV_LOG_ERROR, "abs_diff_pic_num overflow\n");
-                            return -1;
-                        }
-
-                        if(reordering_of_pic_nums_idc == 0) pred-= abs_diff_pic_num;
-                        else                                pred+= abs_diff_pic_num;
-                        pred &= h->max_pic_num - 1;
-
-                        for(i= h->short_ref_count-1; i>=0; i--){
-                            ref = h->short_ref[i];
-                            assert(ref->reference == 3);
-                            assert(!ref->long_ref);
-                            if(ref->data[0] != NULL && ref->frame_num == pred && ref->long_ref == 0) // ignore non existing pictures by testing data[0] pointer
-                                break;
-                        }
-                        if(i>=0)
-                            ref->pic_id= ref->frame_num;
-                    }else{
-                        pic_id= get_ue_golomb(&s->gb); //long_term_pic_idx
-                        if(pic_id>31){
-                            av_log(h->s.avctx, AV_LOG_ERROR, "long_term_pic_idx overflow\n");
-                            return -1;
-                        }
-                        ref = h->long_ref[pic_id];
-                        if(ref){
-                            ref->pic_id= pic_id;
-                            assert(ref->reference == 3);
-                            assert(ref->long_ref);
-                            i=0;
-                        }else{
-                            i=-1;
-                        }
-                    }
-
-                    if (i < 0) {
-                        av_log(h->s.avctx, AV_LOG_ERROR, "reference picture missing during reorder\n");
-                        memset(&h->ref_list[list][index], 0, sizeof(Picture)); //FIXME
-                    } else {
-                        for(i=index; i+1<h->ref_count[list]; i++){
-                            if(ref->long_ref == h->ref_list[list][i].long_ref && ref->pic_id == h->ref_list[list][i].pic_id)
-                                break;
-                        }
-                        for(; i > index; i--){
-                            h->ref_list[list][i]= h->ref_list[list][i-1];
-                        }
-                        h->ref_list[list][index]= *ref;
-                    }
-                }else{
-                    av_log(h->s.avctx, AV_LOG_ERROR, "illegal reordering_of_pic_nums_idc\n");
-                    return -1;
-                }
-            }
-        }
-    }
-    for(list=0; list<h->list_count; list++){
-        for(index= 0; index < h->ref_count[list]; index++){
-            if(!h->ref_list[list][index].data[0])
-                h->ref_list[list][index]= s->current_picture;
-        }
-    }
-
-    if(h->slice_type==B_TYPE && !h->direct_spatial_mv_pred)
-        direct_dist_scale_factor(h);
-    direct_ref_list_init(h);
-    return 0;
-}
-
-static void fill_mbaff_ref_list(H264Context *h){
-    int list, i, j;
-    for(list=0; list<2; list++){ //FIXME try list_count
-        for(i=0; i<h->ref_count[list]; i++){
-            Picture *frame = &h->ref_list[list][i];
-            Picture *field = &h->ref_list[list][16+2*i];
-            field[0] = *frame;
-            for(j=0; j<3; j++)
-                field[0].linesize[j] <<= 1;
-            field[1] = field[0];
-            for(j=0; j<3; j++)
-                field[1].data[j] += frame->linesize[j];
-
-            h->luma_weight[list][16+2*i] = h->luma_weight[list][16+2*i+1] = h->luma_weight[list][i];
-            h->luma_offset[list][16+2*i] = h->luma_offset[list][16+2*i+1] = h->luma_offset[list][i];
-            for(j=0; j<2; j++){
-                h->chroma_weight[list][16+2*i][j] = h->chroma_weight[list][16+2*i+1][j] = h->chroma_weight[list][i][j];
-                h->chroma_offset[list][16+2*i][j] = h->chroma_offset[list][16+2*i+1][j] = h->chroma_offset[list][i][j];
-            }
-        }
-    }
-    for(j=0; j<h->ref_count[1]; j++){
-        for(i=0; i<h->ref_count[0]; i++)
-            h->implicit_weight[j][16+2*i] = h->implicit_weight[j][16+2*i+1] = h->implicit_weight[j][i];
-        memcpy(h->implicit_weight[16+2*j],   h->implicit_weight[j], sizeof(*h->implicit_weight));
-        memcpy(h->implicit_weight[16+2*j+1], h->implicit_weight[j], sizeof(*h->implicit_weight));
-    }
-}
-
-static int pred_weight_table(H264Context *h){
-    MpegEncContext * const s = &h->s;
-    int list, i;
-    int luma_def, chroma_def;
-
-    h->use_weight= 0;
-    h->use_weight_chroma= 0;
-    h->luma_log2_weight_denom= get_ue_golomb(&s->gb);
-    h->chroma_log2_weight_denom= get_ue_golomb(&s->gb);
-    luma_def = 1<<h->luma_log2_weight_denom;
-    chroma_def = 1<<h->chroma_log2_weight_denom;
-
-    for(list=0; list<2; list++){
-        for(i=0; i<h->ref_count[list]; i++){
-            int luma_weight_flag, chroma_weight_flag;
-
-            luma_weight_flag= get_bits1(&s->gb);
-            if(luma_weight_flag){
-                h->luma_weight[list][i]= get_se_golomb(&s->gb);
-                h->luma_offset[list][i]= get_se_golomb(&s->gb);
-                if(   h->luma_weight[list][i] != luma_def
-                   || h->luma_offset[list][i] != 0)
-                    h->use_weight= 1;
-            }else{
-                h->luma_weight[list][i]= luma_def;
-                h->luma_offset[list][i]= 0;
-            }
-
-            chroma_weight_flag= get_bits1(&s->gb);
-            if(chroma_weight_flag){
-                int j;
-                for(j=0; j<2; j++){
-                    h->chroma_weight[list][i][j]= get_se_golomb(&s->gb);
-                    h->chroma_offset[list][i][j]= get_se_golomb(&s->gb);
-                    if(   h->chroma_weight[list][i][j] != chroma_def
-                       || h->chroma_offset[list][i][j] != 0)
-                        h->use_weight_chroma= 1;
-                }
-            }else{
-                int j;
-                for(j=0; j<2; j++){
-                    h->chroma_weight[list][i][j]= chroma_def;
-                    h->chroma_offset[list][i][j]= 0;
-                }
-            }
-        }
-        if(h->slice_type != B_TYPE) break;
-    }
-    h->use_weight= h->use_weight || h->use_weight_chroma;
-    return 0;
-}
-
-static void implicit_weight_table(H264Context *h){
-    MpegEncContext * const s = &h->s;
-    int ref0, ref1;
-    int cur_poc = s->current_picture_ptr->poc;
-
-    if(   h->ref_count[0] == 1 && h->ref_count[1] == 1
-       && h->ref_list[0][0].poc + h->ref_list[1][0].poc == 2*cur_poc){
-        h->use_weight= 0;
-        h->use_weight_chroma= 0;
-        return;
-    }
-
-    h->use_weight= 2;
-    h->use_weight_chroma= 2;
-    h->luma_log2_weight_denom= 5;
-    h->chroma_log2_weight_denom= 5;
-
-    for(ref0=0; ref0 < h->ref_count[0]; ref0++){
-        int poc0 = h->ref_list[0][ref0].poc;
-        for(ref1=0; ref1 < h->ref_count[1]; ref1++){
-            int poc1 = h->ref_list[1][ref1].poc;
-            int td = av_clip(poc1 - poc0, -128, 127);
-            if(td){
-                int tb = av_clip(cur_poc - poc0, -128, 127);
-                int tx = (16384 + (FFABS(td) >> 1)) / td;
-                int dist_scale_factor = av_clip((tb*tx + 32) >> 6, -1024, 1023) >> 2;
-                if(dist_scale_factor < -64 || dist_scale_factor > 128)
-                    h->implicit_weight[ref0][ref1] = 32;
-                else
-                    h->implicit_weight[ref0][ref1] = 64 - dist_scale_factor;
-            }else
-                h->implicit_weight[ref0][ref1] = 32;
-        }
-    }
-}
-
-static inline void unreference_pic(H264Context *h, Picture *pic){
-    int i;
-    pic->reference=0;
-    if(pic == h->delayed_output_pic)
-        pic->reference=1;
-    else{
-        for(i = 0; h->delayed_pic[i]; i++)
-            if(pic == h->delayed_pic[i]){
-                pic->reference=1;
-                break;
-            }
-    }
-}
-
-/**
- * instantaneous decoder refresh.
- */
-static void idr(H264Context *h){
-    int i;
-
-    for(i=0; i<16; i++){
-        if (h->long_ref[i] != NULL) {
-            unreference_pic(h, h->long_ref[i]);
-            h->long_ref[i]= NULL;
-        }
-    }
-    h->long_ref_count=0;
-
-    for(i=0; i<h->short_ref_count; i++){
-        unreference_pic(h, h->short_ref[i]);
-        h->short_ref[i]= NULL;
-    }
-    h->short_ref_count=0;
-}
-
-/* forget old pics after a seek */
-static void flush_dpb(AVCodecContext *avctx){
-    H264Context *h= avctx->priv_data;
-    int i;
-    for(i=0; i<16; i++) {
-        if(h->delayed_pic[i])
-            h->delayed_pic[i]->reference= 0;
-        h->delayed_pic[i]= NULL;
-    }
-    if(h->delayed_output_pic)
-        h->delayed_output_pic->reference= 0;
-    h->delayed_output_pic= NULL;
-    idr(h);
-    if(h->s.current_picture_ptr)
-        h->s.current_picture_ptr->reference= 0;
-}
-
-/**
- *
- * @return the removed picture or NULL if an error occurs
- */
-static Picture * remove_short(H264Context *h, int frame_num){
-    MpegEncContext * const s = &h->s;
-    int i;
-
-    if(s->avctx->debug&FF_DEBUG_MMCO)
-        av_log(h->s.avctx, AV_LOG_DEBUG, "remove short %d count %d\n", frame_num, h->short_ref_count);
-
-    for(i=0; i<h->short_ref_count; i++){
-        Picture *pic= h->short_ref[i];
-        if(s->avctx->debug&FF_DEBUG_MMCO)
-            av_log(h->s.avctx, AV_LOG_DEBUG, "%d %d %p\n", i, pic->frame_num, pic);
-        if(pic->frame_num == frame_num){
-            h->short_ref[i]= NULL;
-            memmove(&h->short_ref[i], &h->short_ref[i+1], (h->short_ref_count - i - 1)*sizeof(Picture*));
-            h->short_ref_count--;
-            return pic;
-        }
-    }
-    return NULL;
-}
-
-/**
- *
- * @return the removed picture or NULL if an error occurs
- */
-static Picture * remove_long(H264Context *h, int i){
-    Picture *pic;
-
-    pic= h->long_ref[i];
-    h->long_ref[i]= NULL;
-    if(pic) h->long_ref_count--;
-
-    return pic;
-}
-
-/**
- * print short term list
- */
-static void print_short_term(H264Context *h) {
-    uint32_t i;
-    if(h->s.avctx->debug&FF_DEBUG_MMCO) {
-        av_log(h->s.avctx, AV_LOG_DEBUG, "short term list:\n");
-        for(i=0; i<h->short_ref_count; i++){
-            Picture *pic= h->short_ref[i];
-            av_log(h->s.avctx, AV_LOG_DEBUG, "%d fn:%d poc:%d %p\n", i, pic->frame_num, pic->poc, pic->data[0]);
-        }
-    }
-}
-
-/**
- * print long term list
- */
-static void print_long_term(H264Context *h) {
-    uint32_t i;
-    if(h->s.avctx->debug&FF_DEBUG_MMCO) {
-        av_log(h->s.avctx, AV_LOG_DEBUG, "long term list:\n");
-        for(i = 0; i < 16; i++){
-            Picture *pic= h->long_ref[i];
-            if (pic) {
-                av_log(h->s.avctx, AV_LOG_DEBUG, "%d fn:%d poc:%d %p\n", i, pic->frame_num, pic->poc, pic->data[0]);
-            }
-        }
-    }
-}
-
-/**
- * Executes the reference picture marking (memory management control operations).
- */
-static int execute_ref_pic_marking(H264Context *h, MMCO *mmco, int mmco_count){
-    MpegEncContext * const s = &h->s;
-    int i, j;
-    int current_is_long=0;
-    Picture *pic;
-
-    if((s->avctx->debug&FF_DEBUG_MMCO) && mmco_count==0)
-        av_log(h->s.avctx, AV_LOG_DEBUG, "no mmco here\n");
-
-    for(i=0; i<mmco_count; i++){
-        if(s->avctx->debug&FF_DEBUG_MMCO)
-            av_log(h->s.avctx, AV_LOG_DEBUG, "mmco:%d %d %d\n", h->mmco[i].opcode, h->mmco[i].short_frame_num, h->mmco[i].long_index);
-
-        switch(mmco[i].opcode){
-        case MMCO_SHORT2UNUSED:
-            pic= remove_short(h, mmco[i].short_frame_num);
-            if(pic)
-                unreference_pic(h, pic);
-            else if(s->avctx->debug&FF_DEBUG_MMCO)
-                av_log(h->s.avctx, AV_LOG_DEBUG, "mmco: remove_short() failure\n");
-            break;
-        case MMCO_SHORT2LONG:
-            pic= remove_long(h, mmco[i].long_index);
-            if(pic) unreference_pic(h, pic);
-
-            h->long_ref[ mmco[i].long_index ]= remove_short(h, mmco[i].short_frame_num);
-            if (h->long_ref[ mmco[i].long_index ]){
-                h->long_ref[ mmco[i].long_index ]->long_ref=1;
-                h->long_ref_count++;
-            }
-            break;
-        case MMCO_LONG2UNUSED:
-            pic= remove_long(h, mmco[i].long_index);
-            if(pic)
-                unreference_pic(h, pic);
-            else if(s->avctx->debug&FF_DEBUG_MMCO)
-                av_log(h->s.avctx, AV_LOG_DEBUG, "mmco: remove_long() failure\n");
-            break;
-        case MMCO_LONG:
-            pic= remove_long(h, mmco[i].long_index);
-            if(pic) unreference_pic(h, pic);
-
-            h->long_ref[ mmco[i].long_index ]= s->current_picture_ptr;
-            h->long_ref[ mmco[i].long_index ]->long_ref=1;
-            h->long_ref_count++;
-
-            current_is_long=1;
-            break;
-        case MMCO_SET_MAX_LONG:
-            assert(mmco[i].long_index <= 16);
-            // just remove the long term which index is greater than new max
-            for(j = mmco[i].long_index; j<16; j++){
-                pic = remove_long(h, j);
-                if (pic) unreference_pic(h, pic);
-            }
-            break;
-        case MMCO_RESET:
-            while(h->short_ref_count){
-                pic= remove_short(h, h->short_ref[0]->frame_num);
-                if(pic) unreference_pic(h, pic);
-            }
-            for(j = 0; j < 16; j++) {
-                pic= remove_long(h, j);
-                if(pic) unreference_pic(h, pic);
-            }
-            break;
-        default: assert(0);
-        }
-    }
-
-    if(!current_is_long){
-        pic= remove_short(h, s->current_picture_ptr->frame_num);
-        if(pic){
-            unreference_pic(h, pic);
-            av_log(h->s.avctx, AV_LOG_ERROR, "illegal short term buffer state detected\n");
-        }
-
-        if(h->short_ref_count)
-            memmove(&h->short_ref[1], &h->short_ref[0], h->short_ref_count*sizeof(Picture*));
-
-        h->short_ref[0]= s->current_picture_ptr;
-        h->short_ref[0]->long_ref=0;
-        h->short_ref_count++;
-    }
-
-    print_short_term(h);
-    print_long_term(h);
-    return 0;
-}
-
-static int decode_ref_pic_marking(H264Context *h){
-    MpegEncContext * const s = &h->s;
-    int i;
-
-    if(h->nal_unit_type == NAL_IDR_SLICE){ //FIXME fields
-        s->broken_link= get_bits1(&s->gb) -1;
-        h->mmco[0].long_index= get_bits1(&s->gb) - 1; // current_long_term_idx
-        if(h->mmco[0].long_index == -1)
-            h->mmco_index= 0;
-        else{
-            h->mmco[0].opcode= MMCO_LONG;
-            h->mmco_index= 1;
-        }
-    }else{
-        if(get_bits1(&s->gb)){ // adaptive_ref_pic_marking_mode_flag
-            for(i= 0; i<MAX_MMCO_COUNT; i++) {
-                MMCOOpcode opcode= get_ue_golomb(&s->gb);;
-
-                h->mmco[i].opcode= opcode;
-                if(opcode==MMCO_SHORT2UNUSED || opcode==MMCO_SHORT2LONG){
-                    h->mmco[i].short_frame_num= (h->frame_num - get_ue_golomb(&s->gb) - 1) & ((1<<h->sps.log2_max_frame_num)-1); //FIXME fields
-/*                    if(h->mmco[i].short_frame_num >= h->short_ref_count || h->short_ref[ h->mmco[i].short_frame_num ] == NULL){
-                        av_log(s->avctx, AV_LOG_ERROR, "illegal short ref in memory management control operation %d\n", mmco);
-                        return -1;
-                    }*/
-                }
-                if(opcode==MMCO_SHORT2LONG || opcode==MMCO_LONG2UNUSED || opcode==MMCO_LONG || opcode==MMCO_SET_MAX_LONG){
-                    unsigned int long_index= get_ue_golomb(&s->gb);
-                    if(/*h->mmco[i].long_index >= h->long_ref_count || h->long_ref[ h->mmco[i].long_index ] == NULL*/ long_index >= 16){
-                        av_log(h->s.avctx, AV_LOG_ERROR, "illegal long ref in memory management control operation %d\n", opcode);
-                        return -1;
-                    }
-                    h->mmco[i].long_index= long_index;
-                }
-
-                if(opcode > (unsigned)MMCO_LONG){
-                    av_log(h->s.avctx, AV_LOG_ERROR, "illegal memory management control operation %d\n", opcode);
-                    return -1;
-                }
-                if(opcode == MMCO_END)
-                    break;
-            }
-            h->mmco_index= i;
-        }else{
-            assert(h->long_ref_count + h->short_ref_count <= h->sps.ref_frame_count);
-
-            if(h->long_ref_count + h->short_ref_count == h->sps.ref_frame_count){ //FIXME fields
-                h->mmco[0].opcode= MMCO_SHORT2UNUSED;
-                h->mmco[0].short_frame_num= h->short_ref[ h->short_ref_count - 1 ]->frame_num;
-                h->mmco_index= 1;
-            }else
-                h->mmco_index= 0;
-        }
-    }
-
-    return 0;
-}
-
-static int init_poc(H264Context *h){
-    MpegEncContext * const s = &h->s;
-    const int max_frame_num= 1<<h->sps.log2_max_frame_num;
-    int field_poc[2];
-
-    if(h->nal_unit_type == NAL_IDR_SLICE){
-        h->frame_num_offset= 0;
-    }else{
-        if(h->frame_num < h->prev_frame_num)
-            h->frame_num_offset= h->prev_frame_num_offset + max_frame_num;
-        else
-            h->frame_num_offset= h->prev_frame_num_offset;
-    }
-
-    if(h->sps.poc_type==0){
-        const int max_poc_lsb= 1<<h->sps.log2_max_poc_lsb;
-
-        if(h->nal_unit_type == NAL_IDR_SLICE){
-             h->prev_poc_msb=
-             h->prev_poc_lsb= 0;
-        }
-
-        if     (h->poc_lsb < h->prev_poc_lsb && h->prev_poc_lsb - h->poc_lsb >= max_poc_lsb/2)
-            h->poc_msb = h->prev_poc_msb + max_poc_lsb;
-        else if(h->poc_lsb > h->prev_poc_lsb && h->prev_poc_lsb - h->poc_lsb < -max_poc_lsb/2)
-            h->poc_msb = h->prev_poc_msb - max_poc_lsb;
-        else
-            h->poc_msb = h->prev_poc_msb;
-//printf("poc: %d %d\n", h->poc_msb, h->poc_lsb);
-        field_poc[0] =
-        field_poc[1] = h->poc_msb + h->poc_lsb;
-        if(s->picture_structure == PICT_FRAME)
-            field_poc[1] += h->delta_poc_bottom;
-    }else if(h->sps.poc_type==1){
-        int abs_frame_num, expected_delta_per_poc_cycle, expectedpoc;
-        int i;
-
-        if(h->sps.poc_cycle_length != 0)
-            abs_frame_num = h->frame_num_offset + h->frame_num;
-        else
-            abs_frame_num = 0;
-
-        if(h->nal_ref_idc==0 && abs_frame_num > 0)
-            abs_frame_num--;
-
-        expected_delta_per_poc_cycle = 0;
-        for(i=0; i < h->sps.poc_cycle_length; i++)
-            expected_delta_per_poc_cycle += h->sps.offset_for_ref_frame[ i ]; //FIXME integrate during sps parse
-
-        if(abs_frame_num > 0){
-            int poc_cycle_cnt          = (abs_frame_num - 1) / h->sps.poc_cycle_length;
-            int frame_num_in_poc_cycle = (abs_frame_num - 1) % h->sps.poc_cycle_length;
-
-            expectedpoc = poc_cycle_cnt * expected_delta_per_poc_cycle;
-            for(i = 0; i <= frame_num_in_poc_cycle; i++)
-                expectedpoc = expectedpoc + h->sps.offset_for_ref_frame[ i ];
-        } else
-            expectedpoc = 0;
-
-        if(h->nal_ref_idc == 0)
-            expectedpoc = expectedpoc + h->sps.offset_for_non_ref_pic;
-
-        field_poc[0] = expectedpoc + h->delta_poc[0];
-        field_poc[1] = field_poc[0] + h->sps.offset_for_top_to_bottom_field;
-
-        if(s->picture_structure == PICT_FRAME)
-            field_poc[1] += h->delta_poc[1];
-    }else{
-        int poc;
-        if(h->nal_unit_type == NAL_IDR_SLICE){
-            poc= 0;
-        }else{
-            if(h->nal_ref_idc) poc= 2*(h->frame_num_offset + h->frame_num);
-            else               poc= 2*(h->frame_num_offset + h->frame_num) - 1;
-        }
-        field_poc[0]= poc;
-        field_poc[1]= poc;
-    }
-
-    if(s->picture_structure != PICT_BOTTOM_FIELD)
-        s->current_picture_ptr->field_poc[0]= field_poc[0];
-    if(s->picture_structure != PICT_TOP_FIELD)
-        s->current_picture_ptr->field_poc[1]= field_poc[1];
-    if(s->picture_structure == PICT_FRAME) // FIXME field pix?
-        s->current_picture_ptr->poc= FFMIN(field_poc[0], field_poc[1]);
-
-    return 0;
-}
-
-/**
- * decodes a slice header.
- * this will allso call MPV_common_init() and frame_start() as needed
- */
-static int decode_slice_header(H264Context *h){
-    MpegEncContext * const s = &h->s;
-    unsigned int first_mb_in_slice;
-    unsigned int pps_id;
-    int num_ref_idx_active_override_flag;
-    static const uint8_t slice_type_map[5]= {P_TYPE, B_TYPE, I_TYPE, SP_TYPE, SI_TYPE};
-    unsigned int slice_type, tmp;
-    int default_ref_list_done = 0;
-
-    s->current_picture.reference= h->nal_ref_idc != 0;
-    s->dropable= h->nal_ref_idc == 0;
-
-    first_mb_in_slice= get_ue_golomb(&s->gb);
-
-    if((s->flags2 & CODEC_FLAG2_CHUNKS) && first_mb_in_slice == 0){
-        h->slice_num = 0;
-        s->current_picture_ptr= NULL;
-    }
-
-    slice_type= get_ue_golomb(&s->gb);
-    if(slice_type > 9){
-        av_log(h->s.avctx, AV_LOG_ERROR, "slice type too large (%d) at %d %d\n", h->slice_type, s->mb_x, s->mb_y);
-        return -1;
-    }
-    if(slice_type > 4){
-        slice_type -= 5;
-        h->slice_type_fixed=1;
-    }else
-        h->slice_type_fixed=0;
-
-    slice_type= slice_type_map[ slice_type ];
-    if (slice_type == I_TYPE
-        || (h->slice_num != 0 && slice_type == h->slice_type) ) {
-        default_ref_list_done = 1;
-    }
-    h->slice_type= slice_type;
-
-    s->pict_type= h->slice_type; // to make a few old func happy, it's wrong though
-
-    pps_id= get_ue_golomb(&s->gb);
-    if(pps_id>=MAX_PPS_COUNT){
-        av_log(h->s.avctx, AV_LOG_ERROR, "pps_id out of range\n");
-        return -1;
-    }
-    h->pps= h->pps_buffer[pps_id];
-    if(h->pps.slice_group_count == 0){
-        av_log(h->s.avctx, AV_LOG_ERROR, "non existing PPS referenced\n");
-        return -1;
-    }
-
-    h->sps= h->sps_buffer[ h->pps.sps_id ];
-    if(h->sps.log2_max_frame_num == 0){
-        av_log(h->s.avctx, AV_LOG_ERROR, "non existing SPS referenced\n");
-        return -1;
-    }
-
-    if(h->dequant_coeff_pps != pps_id){
-        h->dequant_coeff_pps = pps_id;
-        init_dequant_tables(h);
-    }
-
-    s->mb_width= h->sps.mb_width;
-    s->mb_height= h->sps.mb_height * (2 - h->sps.frame_mbs_only_flag);
-
-    h->b_stride=  s->mb_width*4;
-    h->b8_stride= s->mb_width*2;
-
-    s->width = 16*s->mb_width - 2*(h->sps.crop_left + h->sps.crop_right );
-    if(h->sps.frame_mbs_only_flag)
-        s->height= 16*s->mb_height - 2*(h->sps.crop_top  + h->sps.crop_bottom);
-    else
-        s->height= 16*s->mb_height - 4*(h->sps.crop_top  + h->sps.crop_bottom); //FIXME recheck
-
-    if (s->context_initialized
-        && (   s->width != s->avctx->width || s->height != s->avctx->height)) {
-        free_tables(h);
-        MPV_common_end(s);
-    }
-    if (!s->context_initialized) {
-        if (MPV_common_init(s) < 0)
-            return -1;
-
-        if(s->dsp.h264_idct_add == ff_h264_idct_add_c){ //FIXME little ugly
-            memcpy(h->zigzag_scan, zigzag_scan, 16*sizeof(uint8_t));
-            memcpy(h-> field_scan,  field_scan, 16*sizeof(uint8_t));
-        }else{
-            int i;
-            for(i=0; i<16; i++){
-#define T(x) (x>>2) | ((x<<2) & 0xF)
-                h->zigzag_scan[i] = T(zigzag_scan[i]);
-                h-> field_scan[i] = T( field_scan[i]);
-#undef T
-            }
-        }
-        if(s->dsp.h264_idct8_add == ff_h264_idct8_add_c){
-            memcpy(h->zigzag_scan8x8,       zigzag_scan8x8,       64*sizeof(uint8_t));
-            memcpy(h->zigzag_scan8x8_cavlc, zigzag_scan8x8_cavlc, 64*sizeof(uint8_t));
-            memcpy(h->field_scan8x8,        field_scan8x8,        64*sizeof(uint8_t));
-            memcpy(h->field_scan8x8_cavlc,  field_scan8x8_cavlc,  64*sizeof(uint8_t));
-        }else{
-            int i;
-            for(i=0; i<64; i++){
-#define T(x) (x>>3) | ((x&7)<<3)
-                h->zigzag_scan8x8[i]       = T(zigzag_scan8x8[i]);
-                h->zigzag_scan8x8_cavlc[i] = T(zigzag_scan8x8_cavlc[i]);
-                h->field_scan8x8[i]        = T(field_scan8x8[i]);
-                h->field_scan8x8_cavlc[i]  = T(field_scan8x8_cavlc[i]);
-#undef T
-            }
-        }
-        if(h->sps.transform_bypass){ //FIXME same ugly
-            h->zigzag_scan_q0          = zigzag_scan;
-            h->zigzag_scan8x8_q0       = zigzag_scan8x8;
-            h->zigzag_scan8x8_cavlc_q0 = zigzag_scan8x8_cavlc;
-            h->field_scan_q0           = field_scan;
-            h->field_scan8x8_q0        = field_scan8x8;
-            h->field_scan8x8_cavlc_q0  = field_scan8x8_cavlc;
-        }else{
-            h->zigzag_scan_q0          = h->zigzag_scan;
-            h->zigzag_scan8x8_q0       = h->zigzag_scan8x8;
-            h->zigzag_scan8x8_cavlc_q0 = h->zigzag_scan8x8_cavlc;
-            h->field_scan_q0           = h->field_scan;
-            h->field_scan8x8_q0        = h->field_scan8x8;
-            h->field_scan8x8_cavlc_q0  = h->field_scan8x8_cavlc;
-        }
-
-        alloc_tables(h);
-
-        s->avctx->width = s->width;
-        s->avctx->height = s->height;
-        s->avctx->sample_aspect_ratio= h->sps.sar;
-        if(!s->avctx->sample_aspect_ratio.den)
-            s->avctx->sample_aspect_ratio.den = 1;
-
-        if(h->sps.timing_info_present_flag){
-            s->avctx->time_base= (AVRational){h->sps.num_units_in_tick * 2, h->sps.time_scale};
-            if(h->x264_build > 0 && h->x264_build < 44)
-                s->avctx->time_base.den *= 2;
-            av_reduce(&s->avctx->time_base.num, &s->avctx->time_base.den,
-                      s->avctx->time_base.num, s->avctx->time_base.den, 1<<30);
-        }
-    }
-
-    if(h->slice_num == 0){
-        if(frame_start(h) < 0)
-            return -1;
-    }
-
-    s->current_picture_ptr->frame_num= //FIXME frame_num cleanup
-    h->frame_num= get_bits(&s->gb, h->sps.log2_max_frame_num);
-
-    h->mb_mbaff = 0;
-    h->mb_aff_frame = 0;
-    if(h->sps.frame_mbs_only_flag){
-        s->picture_structure= PICT_FRAME;
-    }else{
-        if(get_bits1(&s->gb)) { //field_pic_flag
-            s->picture_structure= PICT_TOP_FIELD + get_bits1(&s->gb); //bottom_field_flag
-            av_log(h->s.avctx, AV_LOG_ERROR, "PAFF interlacing is not implemented\n");
-        } else {
-            s->picture_structure= PICT_FRAME;
-            h->mb_aff_frame = h->sps.mb_aff;
-        }
-    }
-    assert(s->mb_num == s->mb_width * s->mb_height);
-    if(first_mb_in_slice << h->mb_aff_frame >= s->mb_num ||
-       first_mb_in_slice                    >= s->mb_num){
-        av_log(h->s.avctx, AV_LOG_ERROR, "first_mb_in_slice overflow\n");
-        return -1;
-    }
-    s->resync_mb_x = s->mb_x = first_mb_in_slice % s->mb_width;
-    s->resync_mb_y = s->mb_y = (first_mb_in_slice / s->mb_width) << h->mb_aff_frame;
-    assert(s->mb_y < s->mb_height);
-
-    if(s->picture_structure==PICT_FRAME){
-        h->curr_pic_num=   h->frame_num;
-        h->max_pic_num= 1<< h->sps.log2_max_frame_num;
-    }else{
-        h->curr_pic_num= 2*h->frame_num;
-        h->max_pic_num= 1<<(h->sps.log2_max_frame_num + 1);
-    }
-
-    if(h->nal_unit_type == NAL_IDR_SLICE){
-        get_ue_golomb(&s->gb); /* idr_pic_id */
-    }
-
-    if(h->sps.poc_type==0){
-        h->poc_lsb= get_bits(&s->gb, h->sps.log2_max_poc_lsb);
-
-        if(h->pps.pic_order_present==1 && s->picture_structure==PICT_FRAME){
-            h->delta_poc_bottom= get_se_golomb(&s->gb);
-        }
-    }
-
-    if(h->sps.poc_type==1 && !h->sps.delta_pic_order_always_zero_flag){
-        h->delta_poc[0]= get_se_golomb(&s->gb);
-
-        if(h->pps.pic_order_present==1 && s->picture_structure==PICT_FRAME)
-            h->delta_poc[1]= get_se_golomb(&s->gb);
-    }
-
-    init_poc(h);
-
-    if(h->pps.redundant_pic_cnt_present){
-        h->redundant_pic_count= get_ue_golomb(&s->gb);
-    }
-
-    //set defaults, might be overriden a few line later
-    h->ref_count[0]= h->pps.ref_count[0];
-    h->ref_count[1]= h->pps.ref_count[1];
-
-    if(h->slice_type == P_TYPE || h->slice_type == SP_TYPE || h->slice_type == B_TYPE){
-        if(h->slice_type == B_TYPE){
-            h->direct_spatial_mv_pred= get_bits1(&s->gb);
-            if(h->sps.mb_aff && h->direct_spatial_mv_pred)
-                av_log(h->s.avctx, AV_LOG_ERROR, "MBAFF + spatial direct mode is not implemented\n");
-        }
-        num_ref_idx_active_override_flag= get_bits1(&s->gb);
-
-        if(num_ref_idx_active_override_flag){
-            h->ref_count[0]= get_ue_golomb(&s->gb) + 1;
-            if(h->slice_type==B_TYPE)
-                h->ref_count[1]= get_ue_golomb(&s->gb) + 1;
-
-            if(h->ref_count[0]-1 > 32-1 || h->ref_count[1]-1 > 32-1){
-                av_log(h->s.avctx, AV_LOG_ERROR, "reference overflow\n");
-                h->ref_count[0]= h->ref_count[1]= 1;
-                return -1;
-            }
-        }
-        if(h->slice_type == B_TYPE)
-            h->list_count= 2;
-        else
-            h->list_count= 1;
-    }else
-        h->list_count= 0;
-
-    if(!default_ref_list_done){
-        fill_default_ref_list(h);
-    }
-
-    if(decode_ref_pic_list_reordering(h) < 0)
-        return -1;
-
-    if(   (h->pps.weighted_pred          && (h->slice_type == P_TYPE || h->slice_type == SP_TYPE ))
-       || (h->pps.weighted_bipred_idc==1 && h->slice_type==B_TYPE ) )
-        pred_weight_table(h);
-    else if(h->pps.weighted_bipred_idc==2 && h->slice_type==B_TYPE)
-        implicit_weight_table(h);
-    else
-        h->use_weight = 0;
-
-    if(s->current_picture.reference)
-        decode_ref_pic_marking(h);
-
-    if(FRAME_MBAFF)
-        fill_mbaff_ref_list(h);
-
-    if( h->slice_type != I_TYPE && h->slice_type != SI_TYPE && h->pps.cabac ){
-        tmp = get_ue_golomb(&s->gb);
-        if(tmp > 2){
-            av_log(s->avctx, AV_LOG_ERROR, "cabac_init_idc overflow\n");
-            return -1;
-        }
-        h->cabac_init_idc= tmp;
-    }
-
-    h->last_qscale_diff = 0;
-    tmp = h->pps.init_qp + get_se_golomb(&s->gb);
-    if(tmp>51){
-        av_log(s->avctx, AV_LOG_ERROR, "QP %u out of range\n", tmp);
-        return -1;
-    }
-    s->qscale= tmp;
-    h->chroma_qp = get_chroma_qp(h->pps.chroma_qp_index_offset, s->qscale);
-    //FIXME qscale / qp ... stuff
-    if(h->slice_type == SP_TYPE){
-        get_bits1(&s->gb); /* sp_for_switch_flag */
-    }
-    if(h->slice_type==SP_TYPE || h->slice_type == SI_TYPE){
-        get_se_golomb(&s->gb); /* slice_qs_delta */
-    }
-
-    h->deblocking_filter = 1;
-    h->slice_alpha_c0_offset = 0;
-    h->slice_beta_offset = 0;
-    if( h->pps.deblocking_filter_parameters_present ) {
-        tmp= get_ue_golomb(&s->gb);
-        if(tmp > 2){
-            av_log(s->avctx, AV_LOG_ERROR, "deblocking_filter_idc %u out of range\n", tmp);
-            return -1;
-        }
-        h->deblocking_filter= tmp;
-        if(h->deblocking_filter < 2)
-            h->deblocking_filter^= 1; // 1<->0
-
-        if( h->deblocking_filter ) {
-            h->slice_alpha_c0_offset = get_se_golomb(&s->gb) << 1;
-            h->slice_beta_offset = get_se_golomb(&s->gb) << 1;
-        }
-    }
-    if(   s->avctx->skip_loop_filter >= AVDISCARD_ALL
-       ||(s->avctx->skip_loop_filter >= AVDISCARD_NONKEY && h->slice_type != I_TYPE)
-       ||(s->avctx->skip_loop_filter >= AVDISCARD_BIDIR  && h->slice_type == B_TYPE)
-       ||(s->avctx->skip_loop_filter >= AVDISCARD_NONREF && h->nal_ref_idc == 0))
-        h->deblocking_filter= 0;
-
-#if 0 //FMO
-    if( h->pps.num_slice_groups > 1  && h->pps.mb_slice_group_map_type >= 3 && h->pps.mb_slice_group_map_type <= 5)
-        slice_group_change_cycle= get_bits(&s->gb, ?);
-#endif
-
-    h->slice_num++;
-
-    h->emu_edge_width= (s->flags&CODEC_FLAG_EMU_EDGE) ? 0 : 16;
-    h->emu_edge_height= FRAME_MBAFF ? 0 : h->emu_edge_width;
-
-    if(s->avctx->debug&FF_DEBUG_PICT_INFO){
-        av_log(h->s.avctx, AV_LOG_DEBUG, "slice:%d %s mb:%d %c pps:%u frame:%d poc:%d/%d ref:%d/%d qp:%d loop:%d:%d:%d weight:%d%s\n",
-               h->slice_num,
-               (s->picture_structure==PICT_FRAME ? "F" : s->picture_structure==PICT_TOP_FIELD ? "T" : "B"),
-               first_mb_in_slice,
-               av_get_pict_type_char(h->slice_type),
-               pps_id, h->frame_num,
-               s->current_picture_ptr->field_poc[0], s->current_picture_ptr->field_poc[1],
-               h->ref_count[0], h->ref_count[1],
-               s->qscale,
-               h->deblocking_filter, h->slice_alpha_c0_offset/2, h->slice_beta_offset/2,
-               h->use_weight,
-               h->use_weight==1 && h->use_weight_chroma ? "c" : ""
-               );
-    }
-
-    if((s->avctx->flags2 & CODEC_FLAG2_FAST) && !s->current_picture.reference){
-        s->me.qpel_put= s->dsp.put_2tap_qpel_pixels_tab;
-        s->me.qpel_avg= s->dsp.avg_2tap_qpel_pixels_tab;
-    }else{
-        s->me.qpel_put= s->dsp.put_h264_qpel_pixels_tab;
-        s->me.qpel_avg= s->dsp.avg_h264_qpel_pixels_tab;
-    }
-
-    return 0;
-}
-
-/**
- *
- */
-static inline int get_level_prefix(GetBitContext *gb){
-    unsigned int buf;
-    int log;
-
-    OPEN_READER(re, gb);
-    UPDATE_CACHE(re, gb);
-    buf=GET_CACHE(re, gb);
-
-    log= 32 - av_log2(buf);
-#ifdef TRACE
-    print_bin(buf>>(32-log), log);
-    av_log(NULL, AV_LOG_DEBUG, "%5d %2d %3d lpr @%5d in %s get_level_prefix\n", buf>>(32-log), log, log-1, get_bits_count(gb), __FILE__);
-#endif
-
-    LAST_SKIP_BITS(re, gb, log);
-    CLOSE_READER(re, gb);
-
-    return log-1;
-}
-
-static inline int get_dct8x8_allowed(H264Context *h){
-    int i;
-    for(i=0; i<4; i++){
-        if(!IS_SUB_8X8(h->sub_mb_type[i])
-           || (!h->sps.direct_8x8_inference_flag && IS_DIRECT(h->sub_mb_type[i])))
-            return 0;
-    }
-    return 1;
-}
-
-/**
- * decodes a residual block.
- * @param n block index
- * @param scantable scantable
- * @param max_coeff number of coefficients in the block
- * @return <0 if an error occured
- */
-static int decode_residual(H264Context *h, GetBitContext *gb, DCTELEM *block, int n, const uint8_t *scantable, const uint32_t *qmul, int max_coeff){
-    MpegEncContext * const s = &h->s;
-    static const int coeff_token_table_index[17]= {0, 0, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3};
-    int level[16];
-    int zeros_left, coeff_num, coeff_token, total_coeff, i, j, trailing_ones, run_before;
-
-    //FIXME put trailing_onex into the context
-
-    if(n == CHROMA_DC_BLOCK_INDEX){
-        coeff_token= get_vlc2(gb, chroma_dc_coeff_token_vlc.table, CHROMA_DC_COEFF_TOKEN_VLC_BITS, 1);
-        total_coeff= coeff_token>>2;
-    }else{
-        if(n == LUMA_DC_BLOCK_INDEX){
-            total_coeff= pred_non_zero_count(h, 0);
-            coeff_token= get_vlc2(gb, coeff_token_vlc[ coeff_token_table_index[total_coeff] ].table, COEFF_TOKEN_VLC_BITS, 2);
-            total_coeff= coeff_token>>2;
-        }else{
-            total_coeff= pred_non_zero_count(h, n);
-            coeff_token= get_vlc2(gb, coeff_token_vlc[ coeff_token_table_index[total_coeff] ].table, COEFF_TOKEN_VLC_BITS, 2);
-            total_coeff= coeff_token>>2;
-            h->non_zero_count_cache[ scan8[n] ]= total_coeff;
-        }
-    }
-
-    //FIXME set last_non_zero?
-
-    if(total_coeff==0)
-        return 0;
-    if(total_coeff > (unsigned)max_coeff) {
-        av_log(h->s.avctx, AV_LOG_ERROR, "corrupted macroblock %d %d (total_coeff=%d)\n", s->mb_x, s->mb_y, total_coeff);
-        return -1;
-    }
-
-    trailing_ones= coeff_token&3;
-    tprintf(h->s.avctx, "trailing:%d, total:%d\n", trailing_ones, total_coeff);
-    assert(total_coeff<=16);
-
-    for(i=0; i<trailing_ones; i++){
-        level[i]= 1 - 2*get_bits1(gb);
-    }
-
-    if(i<total_coeff) {
-        int level_code, mask;
-        int suffix_length = total_coeff > 10 && trailing_ones < 3;
-        int prefix= get_level_prefix(gb);
-
-        //first coefficient has suffix_length equal to 0 or 1
-        if(prefix<14){ //FIXME try to build a large unified VLC table for all this
-            if(suffix_length)
-                level_code= (prefix<<suffix_length) + get_bits(gb, suffix_length); //part
-            else
-                level_code= (prefix<<suffix_length); //part
-        }else if(prefix==14){
-            if(suffix_length)
-                level_code= (prefix<<suffix_length) + get_bits(gb, suffix_length); //part
-            else
-                level_code= prefix + get_bits(gb, 4); //part
-        }else if(prefix==15){
-            level_code= (prefix<<suffix_length) + get_bits(gb, 12); //part
-            if(suffix_length==0) level_code+=15; //FIXME doesn't make (much)sense
-        }else{
-            av_log(h->s.avctx, AV_LOG_ERROR, "prefix too large at %d %d\n", s->mb_x, s->mb_y);
-            return -1;
-        }
-
-        if(trailing_ones < 3) level_code += 2;
-
-        suffix_length = 1;
-        if(level_code > 5)
-            suffix_length++;
-        mask= -(level_code&1);
-        level[i]= (((2+level_code)>>1) ^ mask) - mask;
-        i++;
-
-        //remaining coefficients have suffix_length > 0
-        for(;i<total_coeff;i++) {
-            static const int suffix_limit[7] = {0,5,11,23,47,95,INT_MAX };
-            prefix = get_level_prefix(gb);
-            if(prefix<15){
-                level_code = (prefix<<suffix_length) + get_bits(gb, suffix_length);
-            }else if(prefix==15){
-                level_code =  (prefix<<suffix_length) + get_bits(gb, 12);
-            }else{
-                av_log(h->s.avctx, AV_LOG_ERROR, "prefix too large at %d %d\n", s->mb_x, s->mb_y);
-                return -1;
-            }
-            mask= -(level_code&1);
-            level[i]= (((2+level_code)>>1) ^ mask) - mask;
-            if(level_code > suffix_limit[suffix_length])
-                suffix_length++;
-        }
-    }
-
-    if(total_coeff == max_coeff)
-        zeros_left=0;
-    else{
-        if(n == CHROMA_DC_BLOCK_INDEX)
-            zeros_left= get_vlc2(gb, chroma_dc_total_zeros_vlc[ total_coeff-1 ].table, CHROMA_DC_TOTAL_ZEROS_VLC_BITS, 1);
-        else
-            zeros_left= get_vlc2(gb, total_zeros_vlc[ total_coeff-1 ].table, TOTAL_ZEROS_VLC_BITS, 1);
-    }
-
-    coeff_num = zeros_left + total_coeff - 1;
-    j = scantable[coeff_num];
-    if(n > 24){
-        block[j] = level[0];
-        for(i=1;i<total_coeff;i++) {
-            if(zeros_left <= 0)
-                run_before = 0;
-            else if(zeros_left < 7){
-                run_before= get_vlc2(gb, run_vlc[zeros_left-1].table, RUN_VLC_BITS, 1);
-            }else{
-                run_before= get_vlc2(gb, run7_vlc.table, RUN7_VLC_BITS, 2);
-            }
-            zeros_left -= run_before;
-            coeff_num -= 1 + run_before;
-            j= scantable[ coeff_num ];
-
-            block[j]= level[i];
-        }
-    }else{
-        block[j] = (level[0] * qmul[j] + 32)>>6;
-        for(i=1;i<total_coeff;i++) {
-            if(zeros_left <= 0)
-                run_before = 0;
-            else if(zeros_left < 7){
-                run_before= get_vlc2(gb, run_vlc[zeros_left-1].table, RUN_VLC_BITS, 1);
-            }else{
-                run_before= get_vlc2(gb, run7_vlc.table, RUN7_VLC_BITS, 2);
-            }
-            zeros_left -= run_before;
-            coeff_num -= 1 + run_before;
-            j= scantable[ coeff_num ];
-
-            block[j]= (level[i] * qmul[j] + 32)>>6;
-        }
-    }
-
-    if(zeros_left<0){
-        av_log(h->s.avctx, AV_LOG_ERROR, "negative number of zero coeffs at %d %d\n", s->mb_x, s->mb_y);
-        return -1;
-    }
-
-    return 0;
-}
-
-static void predict_field_decoding_flag(H264Context *h){
-    MpegEncContext * const s = &h->s;
-    const int mb_xy= s->mb_x + s->mb_y*s->mb_stride;
-    int mb_type = (h->slice_table[mb_xy-1] == h->slice_num)
-                ? s->current_picture.mb_type[mb_xy-1]
-                : (h->slice_table[mb_xy-s->mb_stride] == h->slice_num)
-                ? s->current_picture.mb_type[mb_xy-s->mb_stride]
-                : 0;
-    h->mb_mbaff = h->mb_field_decoding_flag = IS_INTERLACED(mb_type) ? 1 : 0;
-}
-
-/**
- * decodes a P_SKIP or B_SKIP macroblock
- */
-static void decode_mb_skip(H264Context *h){
-    MpegEncContext * const s = &h->s;
-    const int mb_xy= s->mb_x + s->mb_y*s->mb_stride;
-    int mb_type=0;
-
-    memset(h->non_zero_count[mb_xy], 0, 16);
-    memset(h->non_zero_count_cache + 8, 0, 8*5); //FIXME ugly, remove pfui
-
-    if(MB_FIELD)
-        mb_type|= MB_TYPE_INTERLACED;
-
-    if( h->slice_type == B_TYPE )
-    {
-        // just for fill_caches. pred_direct_motion will set the real mb_type
-        mb_type|= MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2|MB_TYPE_SKIP;
-
-        fill_caches(h, mb_type, 0); //FIXME check what is needed and what not ...
-        pred_direct_motion(h, &mb_type);
-        mb_type|= MB_TYPE_SKIP;
-    }
-    else
-    {
-        int mx, my;
-        mb_type|= MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P1L0|MB_TYPE_SKIP;
-
-        fill_caches(h, mb_type, 0); //FIXME check what is needed and what not ...
-        pred_pskip_motion(h, &mx, &my);
-        fill_rectangle(&h->ref_cache[0][scan8[0]], 4, 4, 8, 0, 1);
-        fill_rectangle(  h->mv_cache[0][scan8[0]], 4, 4, 8, pack16to32(mx,my), 4);
-    }
-
-    write_back_motion(h, mb_type);
-    s->current_picture.mb_type[mb_xy]= mb_type;
-    s->current_picture.qscale_table[mb_xy]= s->qscale;
-    h->slice_table[ mb_xy ]= h->slice_num;
-    h->prev_mb_skipped= 1;
-}
-
-/**
- * decodes a macroblock
- * @returns 0 if ok, AC_ERROR / DC_ERROR / MV_ERROR if an error is noticed
- */
-static int decode_mb_cavlc(H264Context *h){
-    MpegEncContext * const s = &h->s;
-    const int mb_xy= s->mb_x + s->mb_y*s->mb_stride;
-    int partition_count;
-    unsigned int mb_type, cbp;
-    int dct8x8_allowed= h->pps.transform_8x8_mode;
-
-    s->dsp.clear_blocks(h->mb); //FIXME avoid if already clear (move after skip handlong?
-
-    tprintf(s->avctx, "pic:%d mb:%d/%d\n", h->frame_num, s->mb_x, s->mb_y);
-    cbp = 0; /* avoid warning. FIXME: find a solution without slowing
-                down the code */
-    if(h->slice_type != I_TYPE && h->slice_type != SI_TYPE){
-        if(s->mb_skip_run==-1)
-            s->mb_skip_run= get_ue_golomb(&s->gb);
-
-        if (s->mb_skip_run--) {
-            if(FRAME_MBAFF && (s->mb_y&1) == 0){
-                if(s->mb_skip_run==0)
-                    h->mb_mbaff = h->mb_field_decoding_flag = get_bits1(&s->gb);
-                else
-                    predict_field_decoding_flag(h);
-            }
-            decode_mb_skip(h);
-            return 0;
-        }
-    }
-    if(FRAME_MBAFF){
-        if( (s->mb_y&1) == 0 )
-            h->mb_mbaff = h->mb_field_decoding_flag = get_bits1(&s->gb);
-    }else
-        h->mb_field_decoding_flag= (s->picture_structure!=PICT_FRAME);
-
-    h->prev_mb_skipped= 0;
-
-    mb_type= get_ue_golomb(&s->gb);
-    if(h->slice_type == B_TYPE){
-        if(mb_type < 23){
-            partition_count= b_mb_type_info[mb_type].partition_count;
-            mb_type=         b_mb_type_info[mb_type].type;
-        }else{
-            mb_type -= 23;
-            goto decode_intra_mb;
-        }
-    }else if(h->slice_type == P_TYPE /*|| h->slice_type == SP_TYPE */){
-        if(mb_type < 5){
-            partition_count= p_mb_type_info[mb_type].partition_count;
-            mb_type=         p_mb_type_info[mb_type].type;
-        }else{
-            mb_type -= 5;
-            goto decode_intra_mb;
-        }
-    }else{
-       assert(h->slice_type == I_TYPE);
-decode_intra_mb:
-        if(mb_type > 25){
-            av_log(h->s.avctx, AV_LOG_ERROR, "mb_type %d in %c slice too large at %d %d\n", mb_type, av_get_pict_type_char(h->slice_type), s->mb_x, s->mb_y);
-            return -1;
-        }
-        partition_count=0;
-        cbp= i_mb_type_info[mb_type].cbp;
-        h->intra16x16_pred_mode= i_mb_type_info[mb_type].pred_mode;
-        mb_type= i_mb_type_info[mb_type].type;
-    }
-
-    if(MB_FIELD)
-        mb_type |= MB_TYPE_INTERLACED;
-
-    h->slice_table[ mb_xy ]= h->slice_num;
-
-    if(IS_INTRA_PCM(mb_type)){
-        unsigned int x, y;
-
-        // we assume these blocks are very rare so we dont optimize it
-        align_get_bits(&s->gb);
-
-        // The pixels are stored in the same order as levels in h->mb array.
-        for(y=0; y<16; y++){
-            const int index= 4*(y&3) + 32*((y>>2)&1) + 128*(y>>3);
-            for(x=0; x<16; x++){
-                tprintf(s->avctx, "LUMA ICPM LEVEL (%3d)\n", show_bits(&s->gb, 8));
-                h->mb[index + (x&3) + 16*((x>>2)&1) + 64*(x>>3)]= get_bits(&s->gb, 8);
-            }
-        }
-        for(y=0; y<8; y++){
-            const int index= 256 + 4*(y&3) + 32*(y>>2);
-            for(x=0; x<8; x++){
-                tprintf(s->avctx, "CHROMA U ICPM LEVEL (%3d)\n", show_bits(&s->gb, 8));
-                h->mb[index + (x&3) + 16*(x>>2)]= get_bits(&s->gb, 8);
-            }
-        }
-        for(y=0; y<8; y++){
-            const int index= 256 + 64 + 4*(y&3) + 32*(y>>2);
-            for(x=0; x<8; x++){
-                tprintf(s->avctx, "CHROMA V ICPM LEVEL (%3d)\n", show_bits(&s->gb, 8));
-                h->mb[index + (x&3) + 16*(x>>2)]= get_bits(&s->gb, 8);
-            }
-        }
-
-        // In deblocking, the quantizer is 0
-        s->current_picture.qscale_table[mb_xy]= 0;
-        h->chroma_qp = get_chroma_qp(h->pps.chroma_qp_index_offset, 0);
-        // All coeffs are present
-        memset(h->non_zero_count[mb_xy], 16, 16);
-
-        s->current_picture.mb_type[mb_xy]= mb_type;
-        return 0;
-    }
-
-    if(MB_MBAFF){
-        h->ref_count[0] <<= 1;
-        h->ref_count[1] <<= 1;
-    }
-
-    fill_caches(h, mb_type, 0);
-
-    //mb_pred
-    if(IS_INTRA(mb_type)){
-            int pred_mode;
-//            init_top_left_availability(h);
-            if(IS_INTRA4x4(mb_type)){
-                int i;
-                int di = 1;
-                if(dct8x8_allowed && get_bits1(&s->gb)){
-                    mb_type |= MB_TYPE_8x8DCT;
-                    di = 4;
-                }
-
-//                fill_intra4x4_pred_table(h);
-                for(i=0; i<16; i+=di){
-                    int mode= pred_intra_mode(h, i);
-
-                    if(!get_bits1(&s->gb)){
-                        const int rem_mode= get_bits(&s->gb, 3);
-                        mode = rem_mode + (rem_mode >= mode);
-                    }
-
-                    if(di==4)
-                        fill_rectangle( &h->intra4x4_pred_mode_cache[ scan8[i] ], 2, 2, 8, mode, 1 );
-                    else
-                        h->intra4x4_pred_mode_cache[ scan8[i] ] = mode;
-                }
-                write_back_intra_pred_mode(h);
-                if( check_intra4x4_pred_mode(h) < 0)
-                    return -1;
-            }else{
-                h->intra16x16_pred_mode= check_intra_pred_mode(h, h->intra16x16_pred_mode);
-                if(h->intra16x16_pred_mode < 0)
-                    return -1;
-            }
-
-            pred_mode= check_intra_pred_mode(h, get_ue_golomb(&s->gb));
-            if(pred_mode < 0)
-                return -1;
-            h->chroma_pred_mode= pred_mode;
-    }else if(partition_count==4){
-        int i, j, sub_partition_count[4], list, ref[2][4];
-
-        if(h->slice_type == B_TYPE){
-            for(i=0; i<4; i++){
-                h->sub_mb_type[i]= get_ue_golomb(&s->gb);
-                if(h->sub_mb_type[i] >=13){
-                    av_log(h->s.avctx, AV_LOG_ERROR, "B sub_mb_type %u out of range at %d %d\n", h->sub_mb_type[i], s->mb_x, s->mb_y);
-                    return -1;
-                }
-                sub_partition_count[i]= b_sub_mb_type_info[ h->sub_mb_type[i] ].partition_count;
-                h->sub_mb_type[i]=      b_sub_mb_type_info[ h->sub_mb_type[i] ].type;
-            }
-            if(   IS_DIRECT(h->sub_mb_type[0]) || IS_DIRECT(h->sub_mb_type[1])
-               || IS_DIRECT(h->sub_mb_type[2]) || IS_DIRECT(h->sub_mb_type[3])) {
-                pred_direct_motion(h, &mb_type);
-                h->ref_cache[0][scan8[4]] =
-                h->ref_cache[1][scan8[4]] =
-                h->ref_cache[0][scan8[12]] =
-                h->ref_cache[1][scan8[12]] = PART_NOT_AVAILABLE;
-            }
-        }else{
-            assert(h->slice_type == P_TYPE || h->slice_type == SP_TYPE); //FIXME SP correct ?
-            for(i=0; i<4; i++){
-                h->sub_mb_type[i]= get_ue_golomb(&s->gb);
-                if(h->sub_mb_type[i] >=4){
-                    av_log(h->s.avctx, AV_LOG_ERROR, "P sub_mb_type %u out of range at %d %d\n", h->sub_mb_type[i], s->mb_x, s->mb_y);
-                    return -1;
-                }
-                sub_partition_count[i]= p_sub_mb_type_info[ h->sub_mb_type[i] ].partition_count;
-                h->sub_mb_type[i]=      p_sub_mb_type_info[ h->sub_mb_type[i] ].type;
-            }
-        }
-
-        for(list=0; list<h->list_count; list++){
-            int ref_count= IS_REF0(mb_type) ? 1 : h->ref_count[list];
-            for(i=0; i<4; i++){
-                if(IS_DIRECT(h->sub_mb_type[i])) continue;
-                if(IS_DIR(h->sub_mb_type[i], 0, list)){
-                    unsigned int tmp = get_te0_golomb(&s->gb, ref_count); //FIXME init to 0 before and skip?
-                    if(tmp>=ref_count){
-                        av_log(h->s.avctx, AV_LOG_ERROR, "ref %u overflow\n", tmp);
-                        return -1;
-                    }
-                    ref[list][i]= tmp;
-                }else{
-                 //FIXME
-                    ref[list][i] = -1;
-                }
-            }
-        }
-
-        if(dct8x8_allowed)
-            dct8x8_allowed = get_dct8x8_allowed(h);
-
-        for(list=0; list<h->list_count; list++){
-            for(i=0; i<4; i++){
-                if(IS_DIRECT(h->sub_mb_type[i])) {
-                    h->ref_cache[list][ scan8[4*i] ] = h->ref_cache[list][ scan8[4*i]+1 ];
-                    continue;
-                }
-                h->ref_cache[list][ scan8[4*i]   ]=h->ref_cache[list][ scan8[4*i]+1 ]=
-                h->ref_cache[list][ scan8[4*i]+8 ]=h->ref_cache[list][ scan8[4*i]+9 ]= ref[list][i];
-
-                if(IS_DIR(h->sub_mb_type[i], 0, list)){
-                    const int sub_mb_type= h->sub_mb_type[i];
-                    const int block_width= (sub_mb_type & (MB_TYPE_16x16|MB_TYPE_16x8)) ? 2 : 1;
-                    for(j=0; j<sub_partition_count[i]; j++){
-                        int mx, my;
-                        const int index= 4*i + block_width*j;
-                        int16_t (* mv_cache)[2]= &h->mv_cache[list][ scan8[index] ];
-                        pred_motion(h, index, block_width, list, h->ref_cache[list][ scan8[index] ], &mx, &my);
-                        mx += get_se_golomb(&s->gb);
-                        my += get_se_golomb(&s->gb);
-                        tprintf(s->avctx, "final mv:%d %d\n", mx, my);
-
-                        if(IS_SUB_8X8(sub_mb_type)){
-                            mv_cache[ 1 ][0]=
-                            mv_cache[ 8 ][0]= mv_cache[ 9 ][0]= mx;
-                            mv_cache[ 1 ][1]=
-                            mv_cache[ 8 ][1]= mv_cache[ 9 ][1]= my;
-                        }else if(IS_SUB_8X4(sub_mb_type)){
-                            mv_cache[ 1 ][0]= mx;
-                            mv_cache[ 1 ][1]= my;
-                        }else if(IS_SUB_4X8(sub_mb_type)){
-                            mv_cache[ 8 ][0]= mx;
-                            mv_cache[ 8 ][1]= my;
-                        }
-                        mv_cache[ 0 ][0]= mx;
-                        mv_cache[ 0 ][1]= my;
-                    }
-                }else{
-                    uint32_t *p= (uint32_t *)&h->mv_cache[list][ scan8[4*i] ][0];
-                    p[0] = p[1]=
-                    p[8] = p[9]= 0;
-                }
-            }
-        }
-    }else if(IS_DIRECT(mb_type)){
-        pred_direct_motion(h, &mb_type);
-        dct8x8_allowed &= h->sps.direct_8x8_inference_flag;
-    }else{
-        int list, mx, my, i;
-         //FIXME we should set ref_idx_l? to 0 if we use that later ...
-        if(IS_16X16(mb_type)){
-            for(list=0; list<h->list_count; list++){
-                    unsigned int val;
-                    if(IS_DIR(mb_type, 0, list)){
-                        val= get_te0_golomb(&s->gb, h->ref_count[list]);
-                        if(val >= h->ref_count[list]){
-                            av_log(h->s.avctx, AV_LOG_ERROR, "ref %u overflow\n", val);
-                            return -1;
-                        }
-                    }else
-                        val= LIST_NOT_USED&0xFF;
-                    fill_rectangle(&h->ref_cache[list][ scan8[0] ], 4, 4, 8, val, 1);
-            }
-            for(list=0; list<h->list_count; list++){
-                unsigned int val;
-                if(IS_DIR(mb_type, 0, list)){
-                    pred_motion(h, 0, 4, list, h->ref_cache[list][ scan8[0] ], &mx, &my);
-                    mx += get_se_golomb(&s->gb);
-                    my += get_se_golomb(&s->gb);
-                    tprintf(s->avctx, "final mv:%d %d\n", mx, my);
-
-                    val= pack16to32(mx,my);
-                }else
-                    val=0;
-                fill_rectangle(h->mv_cache[list][ scan8[0] ], 4, 4, 8, val, 4);
-            }
-        }
-        else if(IS_16X8(mb_type)){
-            for(list=0; list<h->list_count; list++){
-                    for(i=0; i<2; i++){
-                        unsigned int val;
-                        if(IS_DIR(mb_type, i, list)){
-                            val= get_te0_golomb(&s->gb, h->ref_count[list]);
-                            if(val >= h->ref_count[list]){
-                                av_log(h->s.avctx, AV_LOG_ERROR, "ref %u overflow\n", val);
-                                return -1;
-                            }
-                        }else
-                            val= LIST_NOT_USED&0xFF;
-                        fill_rectangle(&h->ref_cache[list][ scan8[0] + 16*i ], 4, 2, 8, val, 1);
-                    }
-            }
-            for(list=0; list<h->list_count; list++){
-                for(i=0; i<2; i++){
-                    unsigned int val;
-                    if(IS_DIR(mb_type, i, list)){
-                        pred_16x8_motion(h, 8*i, list, h->ref_cache[list][scan8[0] + 16*i], &mx, &my);
-                        mx += get_se_golomb(&s->gb);
-                        my += get_se_golomb(&s->gb);
-                        tprintf(s->avctx, "final mv:%d %d\n", mx, my);
-
-                        val= pack16to32(mx,my);
-                    }else
-                        val=0;
-                    fill_rectangle(h->mv_cache[list][ scan8[0] + 16*i ], 4, 2, 8, val, 4);
-                }
-            }
-        }else{
-            assert(IS_8X16(mb_type));
-            for(list=0; list<h->list_count; list++){
-                    for(i=0; i<2; i++){
-                        unsigned int val;
-                        if(IS_DIR(mb_type, i, list)){ //FIXME optimize
-                            val= get_te0_golomb(&s->gb, h->ref_count[list]);
-                            if(val >= h->ref_count[list]){
-                                av_log(h->s.avctx, AV_LOG_ERROR, "ref %u overflow\n", val);
-                                return -1;
-                            }
-                        }else
-                            val= LIST_NOT_USED&0xFF;
-                        fill_rectangle(&h->ref_cache[list][ scan8[0] + 2*i ], 2, 4, 8, val, 1);
-                    }
-            }
-            for(list=0; list<h->list_count; list++){
-                for(i=0; i<2; i++){
-                    unsigned int val;
-                    if(IS_DIR(mb_type, i, list)){
-                        pred_8x16_motion(h, i*4, list, h->ref_cache[list][ scan8[0] + 2*i ], &mx, &my);
-                        mx += get_se_golomb(&s->gb);
-                        my += get_se_golomb(&s->gb);
-                        tprintf(s->avctx, "final mv:%d %d\n", mx, my);
-
-                        val= pack16to32(mx,my);
-                    }else
-                        val=0;
-                    fill_rectangle(h->mv_cache[list][ scan8[0] + 2*i ], 2, 4, 8, val, 4);
-                }
-            }
-        }
-    }
-
-    if(IS_INTER(mb_type))
-        write_back_motion(h, mb_type);
-
-    if(!IS_INTRA16x16(mb_type)){
-        cbp= get_ue_golomb(&s->gb);
-        if(cbp > 47){
-            av_log(h->s.avctx, AV_LOG_ERROR, "cbp too large (%u) at %d %d\n", cbp, s->mb_x, s->mb_y);
-            return -1;
-        }
-
-        if(IS_INTRA4x4(mb_type))
-            cbp= golomb_to_intra4x4_cbp[cbp];
-        else
-            cbp= golomb_to_inter_cbp[cbp];
-    }
-    h->cbp = cbp;
-
-    if(dct8x8_allowed && (cbp&15) && !IS_INTRA(mb_type)){
-        if(get_bits1(&s->gb))
-            mb_type |= MB_TYPE_8x8DCT;
-    }
-    s->current_picture.mb_type[mb_xy]= mb_type;
-
-    if(cbp || IS_INTRA16x16(mb_type)){
-        int i8x8, i4x4, chroma_idx;
-        int chroma_qp, dquant;
-        GetBitContext *gb= IS_INTRA(mb_type) ? h->intra_gb_ptr : h->inter_gb_ptr;
-        const uint8_t *scan, *scan8x8, *dc_scan;
-
-//        fill_non_zero_count_cache(h);
-
-        if(IS_INTERLACED(mb_type)){
-            scan8x8= s->qscale ? h->field_scan8x8_cavlc : h->field_scan8x8_cavlc_q0;
-            scan= s->qscale ? h->field_scan : h->field_scan_q0;
-            dc_scan= luma_dc_field_scan;
-        }else{
-            scan8x8= s->qscale ? h->zigzag_scan8x8_cavlc : h->zigzag_scan8x8_cavlc_q0;
-            scan= s->qscale ? h->zigzag_scan : h->zigzag_scan_q0;
-            dc_scan= luma_dc_zigzag_scan;
-        }
-
-        dquant= get_se_golomb(&s->gb);
-
-        if( dquant > 25 || dquant < -26 ){
-            av_log(h->s.avctx, AV_LOG_ERROR, "dquant out of range (%d) at %d %d\n", dquant, s->mb_x, s->mb_y);
-            return -1;
-        }
-
-        s->qscale += dquant;
-        if(((unsigned)s->qscale) > 51){
-            if(s->qscale<0) s->qscale+= 52;
-            else            s->qscale-= 52;
-        }
-
-        h->chroma_qp= chroma_qp= get_chroma_qp(h->pps.chroma_qp_index_offset, s->qscale);
-        if(IS_INTRA16x16(mb_type)){
-            if( decode_residual(h, h->intra_gb_ptr, h->mb, LUMA_DC_BLOCK_INDEX, dc_scan, h->dequant4_coeff[0][s->qscale], 16) < 0){
-                return -1; //FIXME continue if partitioned and other return -1 too
-            }
-
-            assert((cbp&15) == 0 || (cbp&15) == 15);
-
-            if(cbp&15){
-                for(i8x8=0; i8x8<4; i8x8++){
-                    for(i4x4=0; i4x4<4; i4x4++){
-                        const int index= i4x4 + 4*i8x8;
-                        if( decode_residual(h, h->intra_gb_ptr, h->mb + 16*index, index, scan + 1, h->dequant4_coeff[0][s->qscale], 15) < 0 ){
-                            return -1;
-                        }
-                    }
-                }
-            }else{
-                fill_rectangle(&h->non_zero_count_cache[scan8[0]], 4, 4, 8, 0, 1);
-            }
-        }else{
-            for(i8x8=0; i8x8<4; i8x8++){
-                if(cbp & (1<<i8x8)){
-                    if(IS_8x8DCT(mb_type)){
-                        DCTELEM *buf = &h->mb[64*i8x8];
-                        uint8_t *nnz;
-                        for(i4x4=0; i4x4<4; i4x4++){
-                            if( decode_residual(h, gb, buf, i4x4+4*i8x8, scan8x8+16*i4x4,
-                                                h->dequant8_coeff[IS_INTRA( mb_type ) ? 0:1][s->qscale], 16) <0 )
-                                return -1;
-                        }
-                        nnz= &h->non_zero_count_cache[ scan8[4*i8x8] ];
-                        nnz[0] += nnz[1] + nnz[8] + nnz[9];
-                    }else{
-                        for(i4x4=0; i4x4<4; i4x4++){
-                            const int index= i4x4 + 4*i8x8;
-
-                            if( decode_residual(h, gb, h->mb + 16*index, index, scan, h->dequant4_coeff[IS_INTRA( mb_type ) ? 0:3][s->qscale], 16) <0 ){
-                                return -1;
-                            }
-                        }
-                    }
-                }else{
-                    uint8_t * const nnz= &h->non_zero_count_cache[ scan8[4*i8x8] ];
-                    nnz[0] = nnz[1] = nnz[8] = nnz[9] = 0;
-                }
-            }
-        }
-
-        if(cbp&0x30){
-            for(chroma_idx=0; chroma_idx<2; chroma_idx++)
-                if( decode_residual(h, gb, h->mb + 256 + 16*4*chroma_idx, CHROMA_DC_BLOCK_INDEX, chroma_dc_scan, NULL, 4) < 0){
-                    return -1;
-                }
-        }
-
-        if(cbp&0x20){
-            for(chroma_idx=0; chroma_idx<2; chroma_idx++){
-                for(i4x4=0; i4x4<4; i4x4++){
-                    const int index= 16 + 4*chroma_idx + i4x4;
-                    if( decode_residual(h, gb, h->mb + 16*index, index, scan + 1, h->dequant4_coeff[chroma_idx+1+(IS_INTRA( mb_type ) ? 0:3)][chroma_qp], 15) < 0){
-                        return -1;
-                    }
-                }
-            }
-        }else{
-            uint8_t * const nnz= &h->non_zero_count_cache[0];
-            nnz[ scan8[16]+0 ] = nnz[ scan8[16]+1 ] =nnz[ scan8[16]+8 ] =nnz[ scan8[16]+9 ] =
-            nnz[ scan8[20]+0 ] = nnz[ scan8[20]+1 ] =nnz[ scan8[20]+8 ] =nnz[ scan8[20]+9 ] = 0;
-        }
-    }else{
-        uint8_t * const nnz= &h->non_zero_count_cache[0];
-        fill_rectangle(&nnz[scan8[0]], 4, 4, 8, 0, 1);
-        nnz[ scan8[16]+0 ] = nnz[ scan8[16]+1 ] =nnz[ scan8[16]+8 ] =nnz[ scan8[16]+9 ] =
-        nnz[ scan8[20]+0 ] = nnz[ scan8[20]+1 ] =nnz[ scan8[20]+8 ] =nnz[ scan8[20]+9 ] = 0;
-    }
-    s->current_picture.qscale_table[mb_xy]= s->qscale;
-    write_back_non_zero_count(h);
-
-    if(MB_MBAFF){
-        h->ref_count[0] >>= 1;
-        h->ref_count[1] >>= 1;
-    }
-
-    return 0;
-}
-
-static int decode_cabac_field_decoding_flag(H264Context *h) {
-    MpegEncContext * const s = &h->s;
-    const int mb_x = s->mb_x;
-    const int mb_y = s->mb_y & ~1;
-    const int mba_xy = mb_x - 1 +  mb_y   *s->mb_stride;
-    const int mbb_xy = mb_x     + (mb_y-2)*s->mb_stride;
-
-    unsigned int ctx = 0;
-
-    if( h->slice_table[mba_xy] == h->slice_num && IS_INTERLACED( s->current_picture.mb_type[mba_xy] ) ) {
-        ctx += 1;
-    }
-    if( h->slice_table[mbb_xy] == h->slice_num && IS_INTERLACED( s->current_picture.mb_type[mbb_xy] ) ) {
-        ctx += 1;
-    }
-
-    return get_cabac_noinline( &h->cabac, &h->cabac_state[70 + ctx] );
-}
-
-static int decode_cabac_intra_mb_type(H264Context *h, int ctx_base, int intra_slice) {
-    uint8_t *state= &h->cabac_state[ctx_base];
-    int mb_type;
-
-    if(intra_slice){
-        MpegEncContext * const s = &h->s;
-        const int mba_xy = h->left_mb_xy[0];
-        const int mbb_xy = h->top_mb_xy;
-        int ctx=0;
-        if( h->slice_table[mba_xy] == h->slice_num && !IS_INTRA4x4( s->current_picture.mb_type[mba_xy] ) )
-            ctx++;
-        if( h->slice_table[mbb_xy] == h->slice_num && !IS_INTRA4x4( s->current_picture.mb_type[mbb_xy] ) )
-            ctx++;
-        if( get_cabac_noinline( &h->cabac, &state[ctx] ) == 0 )
-            return 0;   /* I4x4 */
-        state += 2;
-    }else{
-        if( get_cabac_noinline( &h->cabac, &state[0] ) == 0 )
-            return 0;   /* I4x4 */
-    }
-
-    if( get_cabac_terminate( &h->cabac ) )
-        return 25;  /* PCM */
-
-    mb_type = 1; /* I16x16 */
-    mb_type += 12 * get_cabac_noinline( &h->cabac, &state[1] ); /* cbp_luma != 0 */
-    if( get_cabac_noinline( &h->cabac, &state[2] ) ) /* cbp_chroma */
-        mb_type += 4 + 4 * get_cabac_noinline( &h->cabac, &state[2+intra_slice] );
-    mb_type += 2 * get_cabac_noinline( &h->cabac, &state[3+intra_slice] );
-    mb_type += 1 * get_cabac_noinline( &h->cabac, &state[3+2*intra_slice] );
-    return mb_type;
-}
-
-static int decode_cabac_mb_type( H264Context *h ) {
-    MpegEncContext * const s = &h->s;
-
-    if( h->slice_type == I_TYPE ) {
-        return decode_cabac_intra_mb_type(h, 3, 1);
-    } else if( h->slice_type == P_TYPE ) {
-        if( get_cabac_noinline( &h->cabac, &h->cabac_state[14] ) == 0 ) {
-            /* P-type */
-            if( get_cabac_noinline( &h->cabac, &h->cabac_state[15] ) == 0 ) {
-                /* P_L0_D16x16, P_8x8 */
-                return 3 * get_cabac_noinline( &h->cabac, &h->cabac_state[16] );
-            } else {
-                /* P_L0_D8x16, P_L0_D16x8 */
-                return 2 - get_cabac_noinline( &h->cabac, &h->cabac_state[17] );
-            }
-        } else {
-            return decode_cabac_intra_mb_type(h, 17, 0) + 5;
-        }
-    } else if( h->slice_type == B_TYPE ) {
-        const int mba_xy = h->left_mb_xy[0];
-        const int mbb_xy = h->top_mb_xy;
-        int ctx = 0;
-        int bits;
-
-        if( h->slice_table[mba_xy] == h->slice_num && !IS_DIRECT( s->current_picture.mb_type[mba_xy] ) )
-            ctx++;
-        if( h->slice_table[mbb_xy] == h->slice_num && !IS_DIRECT( s->current_picture.mb_type[mbb_xy] ) )
-            ctx++;
-
-        if( !get_cabac_noinline( &h->cabac, &h->cabac_state[27+ctx] ) )
-            return 0; /* B_Direct_16x16 */
-
-        if( !get_cabac_noinline( &h->cabac, &h->cabac_state[27+3] ) ) {
-            return 1 + get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] ); /* B_L[01]_16x16 */
-        }
-
-        bits = get_cabac_noinline( &h->cabac, &h->cabac_state[27+4] ) << 3;
-        bits|= get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] ) << 2;
-        bits|= get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] ) << 1;
-        bits|= get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] );
-        if( bits < 8 )
-            return bits + 3; /* B_Bi_16x16 through B_L1_L0_16x8 */
-        else if( bits == 13 ) {
-            return decode_cabac_intra_mb_type(h, 32, 0) + 23;
-        } else if( bits == 14 )
-            return 11; /* B_L1_L0_8x16 */
-        else if( bits == 15 )
-            return 22; /* B_8x8 */
-
-        bits= ( bits<<1 ) | get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] );
-        return bits - 4; /* B_L0_Bi_* through B_Bi_Bi_* */
-    } else {
-        /* TODO SI/SP frames? */
-        return -1;
-    }
-}
-
-static int decode_cabac_mb_skip( H264Context *h, int mb_x, int mb_y ) {
-    MpegEncContext * const s = &h->s;
-    int mba_xy, mbb_xy;
-    int ctx = 0;
-
-    if(FRAME_MBAFF){ //FIXME merge with the stuff in fill_caches?
-        int mb_xy = mb_x + (mb_y&~1)*s->mb_stride;
-        mba_xy = mb_xy - 1;
-        if( (mb_y&1)
-            && h->slice_table[mba_xy] == h->slice_num
-            && MB_FIELD == !!IS_INTERLACED( s->current_picture.mb_type[mba_xy] ) )
-            mba_xy += s->mb_stride;
-        if( MB_FIELD ){
-            mbb_xy = mb_xy - s->mb_stride;
-            if( !(mb_y&1)
-                && h->slice_table[mbb_xy] == h->slice_num
-                && IS_INTERLACED( s->current_picture.mb_type[mbb_xy] ) )
-                mbb_xy -= s->mb_stride;
-        }else
-            mbb_xy = mb_x + (mb_y-1)*s->mb_stride;
-    }else{
-        int mb_xy = mb_x + mb_y*s->mb_stride;
-        mba_xy = mb_xy - 1;
-        mbb_xy = mb_xy - s->mb_stride;
-    }
-
-    if( h->slice_table[mba_xy] == h->slice_num && !IS_SKIP( s->current_picture.mb_type[mba_xy] ))
-        ctx++;
-    if( h->slice_table[mbb_xy] == h->slice_num && !IS_SKIP( s->current_picture.mb_type[mbb_xy] ))
-        ctx++;
-
-    if( h->slice_type == B_TYPE )
-        ctx += 13;
-    return get_cabac_noinline( &h->cabac, &h->cabac_state[11+ctx] );
-}
-
-static int decode_cabac_mb_intra4x4_pred_mode( H264Context *h, int pred_mode ) {
-    int mode = 0;
-
-    if( get_cabac( &h->cabac, &h->cabac_state[68] ) )
-        return pred_mode;
-
-    mode += 1 * get_cabac( &h->cabac, &h->cabac_state[69] );
-    mode += 2 * get_cabac( &h->cabac, &h->cabac_state[69] );
-    mode += 4 * get_cabac( &h->cabac, &h->cabac_state[69] );
-
-    if( mode >= pred_mode )
-        return mode + 1;
-    else
-        return mode;
-}
-
-static int decode_cabac_mb_chroma_pre_mode( H264Context *h) {
-    const int mba_xy = h->left_mb_xy[0];
-    const int mbb_xy = h->top_mb_xy;
-
-    int ctx = 0;
-
-    /* No need to test for IS_INTRA4x4 and IS_INTRA16x16, as we set chroma_pred_mode_table to 0 */
-    if( h->slice_table[mba_xy] == h->slice_num && h->chroma_pred_mode_table[mba_xy] != 0 )
-        ctx++;
-
-    if( h->slice_table[mbb_xy] == h->slice_num && h->chroma_pred_mode_table[mbb_xy] != 0 )
-        ctx++;
-
-    if( get_cabac_noinline( &h->cabac, &h->cabac_state[64+ctx] ) == 0 )
-        return 0;
-
-    if( get_cabac_noinline( &h->cabac, &h->cabac_state[64+3] ) == 0 )
-        return 1;
-    if( get_cabac_noinline( &h->cabac, &h->cabac_state[64+3] ) == 0 )
-        return 2;
-    else
-        return 3;
-}
-
-static const uint8_t block_idx_x[16] = {
-    0, 1, 0, 1, 2, 3, 2, 3, 0, 1, 0, 1, 2, 3, 2, 3
-};
-static const uint8_t block_idx_y[16] = {
-    0, 0, 1, 1, 0, 0, 1, 1, 2, 2, 3, 3, 2, 2, 3, 3
-};
-static const uint8_t block_idx_xy[4][4] = {
-    { 0, 2, 8,  10},
-    { 1, 3, 9,  11},
-    { 4, 6, 12, 14},
-    { 5, 7, 13, 15}
-};
-
-static int decode_cabac_mb_cbp_luma( H264Context *h) {
-    int cbp = 0;
-    int cbp_b = -1;
-    int i8x8;
-
-    if( h->slice_table[h->top_mb_xy] == h->slice_num ) {
-        cbp_b = h->top_cbp;
-        tprintf(h->s.avctx, "cbp_b = top_cbp = %x\n", cbp_b);
-    }
-
-    for( i8x8 = 0; i8x8 < 4; i8x8++ ) {
-        int cbp_a = -1;
-        int x, y;
-        int ctx = 0;
-
-        x = block_idx_x[4*i8x8];
-        y = block_idx_y[4*i8x8];
-
-        if( x > 0 )
-            cbp_a = cbp;
-        else if( h->slice_table[h->left_mb_xy[0]] == h->slice_num ) {
-            cbp_a = h->left_cbp;
-            tprintf(h->s.avctx, "cbp_a = left_cbp = %x\n", cbp_a);
-        }
-
-        if( y > 0 )
-            cbp_b = cbp;
-
-        /* No need to test for skip as we put 0 for skip block */
-        /* No need to test for IPCM as we put 1 for IPCM block */
-        if( cbp_a >= 0 ) {
-            int i8x8a = block_idx_xy[(x-1)&0x03][y]/4;
-            if( ((cbp_a >> i8x8a)&0x01) == 0 )
-                ctx++;
-        }
-
-        if( cbp_b >= 0 ) {
-            int i8x8b = block_idx_xy[x][(y-1)&0x03]/4;
-            if( ((cbp_b >> i8x8b)&0x01) == 0 )
-                ctx += 2;
-        }
-
-        if( get_cabac( &h->cabac, &h->cabac_state[73 + ctx] ) ) {
-            cbp |= 1 << i8x8;
-        }
-    }
-    return cbp;
-}
-static int decode_cabac_mb_cbp_chroma( H264Context *h) {
-    int ctx;
-    int cbp_a, cbp_b;
-
-    cbp_a = (h->left_cbp>>4)&0x03;
-    cbp_b = (h-> top_cbp>>4)&0x03;
-
-    ctx = 0;
-    if( cbp_a > 0 ) ctx++;
-    if( cbp_b > 0 ) ctx += 2;
-    if( get_cabac_noinline( &h->cabac, &h->cabac_state[77 + ctx] ) == 0 )
-        return 0;
-
-    ctx = 4;
-    if( cbp_a == 2 ) ctx++;
-    if( cbp_b == 2 ) ctx += 2;
-    return 1 + get_cabac_noinline( &h->cabac, &h->cabac_state[77 + ctx] );
-}
-static int decode_cabac_mb_dqp( H264Context *h) {
-    MpegEncContext * const s = &h->s;
-    int mbn_xy;
-    int   ctx = 0;
-    int   val = 0;
-
-    if( s->mb_x > 0 )
-        mbn_xy = s->mb_x + s->mb_y*s->mb_stride - 1;
-    else
-        mbn_xy = s->mb_width - 1 + (s->mb_y-1)*s->mb_stride;
-
-    if( h->last_qscale_diff != 0 )
-        ctx++;
-
-    while( get_cabac_noinline( &h->cabac, &h->cabac_state[60 + ctx] ) ) {
-        if( ctx < 2 )
-            ctx = 2;
-        else
-            ctx = 3;
-        val++;
-        if(val > 102) //prevent infinite loop
-            return INT_MIN;
-    }
-
-    if( val&0x01 )
-        return (val + 1)/2;
-    else
-        return -(val + 1)/2;
-}
-static int decode_cabac_p_mb_sub_type( H264Context *h ) {
-    if( get_cabac( &h->cabac, &h->cabac_state[21] ) )
-        return 0;   /* 8x8 */
-    if( !get_cabac( &h->cabac, &h->cabac_state[22] ) )
-        return 1;   /* 8x4 */
-    if( get_cabac( &h->cabac, &h->cabac_state[23] ) )
-        return 2;   /* 4x8 */
-    return 3;       /* 4x4 */
-}
-static int decode_cabac_b_mb_sub_type( H264Context *h ) {
-    int type;
-    if( !get_cabac( &h->cabac, &h->cabac_state[36] ) )
-        return 0;   /* B_Direct_8x8 */
-    if( !get_cabac( &h->cabac, &h->cabac_state[37] ) )
-        return 1 + get_cabac( &h->cabac, &h->cabac_state[39] ); /* B_L0_8x8, B_L1_8x8 */
-    type = 3;
-    if( get_cabac( &h->cabac, &h->cabac_state[38] ) ) {
-        if( get_cabac( &h->cabac, &h->cabac_state[39] ) )
-            return 11 + get_cabac( &h->cabac, &h->cabac_state[39] ); /* B_L1_4x4, B_Bi_4x4 */
-        type += 4;
-    }
-    type += 2*get_cabac( &h->cabac, &h->cabac_state[39] );
-    type +=   get_cabac( &h->cabac, &h->cabac_state[39] );
-    return type;
-}
-
-static inline int decode_cabac_mb_transform_size( H264Context *h ) {
-    return get_cabac_noinline( &h->cabac, &h->cabac_state[399 + h->neighbor_transform_size] );
-}
-
-static int decode_cabac_mb_ref( H264Context *h, int list, int n ) {
-    int refa = h->ref_cache[list][scan8[n] - 1];
-    int refb = h->ref_cache[list][scan8[n] - 8];
-    int ref  = 0;
-    int ctx  = 0;
-
-    if( h->slice_type == B_TYPE) {
-        if( refa > 0 && !h->direct_cache[scan8[n] - 1] )
-            ctx++;
-        if( refb > 0 && !h->direct_cache[scan8[n] - 8] )
-            ctx += 2;
-    } else {
-        if( refa > 0 )
-            ctx++;
-        if( refb > 0 )
-            ctx += 2;
-    }
-
-    while( get_cabac( &h->cabac, &h->cabac_state[54+ctx] ) ) {
-        ref++;
-        if( ctx < 4 )
-            ctx = 4;
-        else
-            ctx = 5;
-        if(ref >= 32 /*h->ref_list[list]*/){
-            av_log(h->s.avctx, AV_LOG_ERROR, "overflow in decode_cabac_mb_ref\n");
-            return 0; //FIXME we should return -1 and check the return everywhere
-        }
-    }
-    return ref;
-}
-
-static int decode_cabac_mb_mvd( H264Context *h, int list, int n, int l ) {
-    int amvd = abs( h->mvd_cache[list][scan8[n] - 1][l] ) +
-               abs( h->mvd_cache[list][scan8[n] - 8][l] );
-    int ctxbase = (l == 0) ? 40 : 47;
-    int ctx, mvd;
-
-    if( amvd < 3 )
-        ctx = 0;
-    else if( amvd > 32 )
-        ctx = 2;
-    else
-        ctx = 1;
-
-    if(!get_cabac(&h->cabac, &h->cabac_state[ctxbase+ctx]))
-        return 0;
-
-    mvd= 1;
-    ctx= 3;
-    while( mvd < 9 && get_cabac( &h->cabac, &h->cabac_state[ctxbase+ctx] ) ) {
-        mvd++;
-        if( ctx < 6 )
-            ctx++;
-    }
-
-    if( mvd >= 9 ) {
-        int k = 3;
-        while( get_cabac_bypass( &h->cabac ) ) {
-            mvd += 1 << k;
-            k++;
-            if(k>24){
-                av_log(h->s.avctx, AV_LOG_ERROR, "overflow in decode_cabac_mb_mvd\n");
-                return INT_MIN;
-            }
-        }
-        while( k-- ) {
-            if( get_cabac_bypass( &h->cabac ) )
-                mvd += 1 << k;
-        }
-    }
-    return get_cabac_bypass_sign( &h->cabac, -mvd );
-}
-
-static inline int get_cabac_cbf_ctx( H264Context *h, int cat, int idx ) {
-    int nza, nzb;
-    int ctx = 0;
-
-    if( cat == 0 ) {
-        nza = h->left_cbp&0x100;
-        nzb = h-> top_cbp&0x100;
-    } else if( cat == 1 || cat == 2 ) {
-        nza = h->non_zero_count_cache[scan8[idx] - 1];
-        nzb = h->non_zero_count_cache[scan8[idx] - 8];
-    } else if( cat == 3 ) {
-        nza = (h->left_cbp>>(6+idx))&0x01;
-        nzb = (h-> top_cbp>>(6+idx))&0x01;
-    } else {
-        assert(cat == 4);
-        nza = h->non_zero_count_cache[scan8[16+idx] - 1];
-        nzb = h->non_zero_count_cache[scan8[16+idx] - 8];
-    }
-
-    if( nza > 0 )
-        ctx++;
-
-    if( nzb > 0 )
-        ctx += 2;
-
-    return ctx + 4 * cat;
-}
-
-static const __attribute((used)) uint8_t last_coeff_flag_offset_8x8[63] = {
-    0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
-    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
-    3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4,
-    5, 5, 5, 5, 6, 6, 6, 6, 7, 7, 7, 7, 8, 8, 8
-};
-
-static int decode_cabac_residual( H264Context *h, DCTELEM *block, int cat, int n, const uint8_t *scantable, const uint32_t *qmul, int max_coeff) {
-    const int mb_xy  = h->s.mb_x + h->s.mb_y*h->s.mb_stride;
-    static const int significant_coeff_flag_offset[2][6] = {
-      { 105+0, 105+15, 105+29, 105+44, 105+47, 402 },
-      { 277+0, 277+15, 277+29, 277+44, 277+47, 436 }
-    };
-    static const int last_coeff_flag_offset[2][6] = {
-      { 166+0, 166+15, 166+29, 166+44, 166+47, 417 },
-      { 338+0, 338+15, 338+29, 338+44, 338+47, 451 }
-    };
-    static const int coeff_abs_level_m1_offset[6] = {
-        227+0, 227+10, 227+20, 227+30, 227+39, 426
-    };
-    static const uint8_t significant_coeff_flag_offset_8x8[2][63] = {
-      { 0, 1, 2, 3, 4, 5, 5, 4, 4, 3, 3, 4, 4, 4, 5, 5,
-        4, 4, 4, 4, 3, 3, 6, 7, 7, 7, 8, 9,10, 9, 8, 7,
-        7, 6,11,12,13,11, 6, 7, 8, 9,14,10, 9, 8, 6,11,
-       12,13,11, 6, 9,14,10, 9,11,12,13,11,14,10,12 },
-      { 0, 1, 1, 2, 2, 3, 3, 4, 5, 6, 7, 7, 7, 8, 4, 5,
-        6, 9,10,10, 8,11,12,11, 9, 9,10,10, 8,11,12,11,
-        9, 9,10,10, 8,11,12,11, 9, 9,10,10, 8,13,13, 9,
-        9,10,10, 8,13,13, 9, 9,10,10,14,14,14,14,14 }
-    };
-
-    int index[64];
-
-    int last;
-    int coeff_count = 0;
-
-    int abslevel1 = 1;
-    int abslevelgt1 = 0;
-
-    uint8_t *significant_coeff_ctx_base;
-    uint8_t *last_coeff_ctx_base;
-    uint8_t *abs_level_m1_ctx_base;
-
-#ifndef ARCH_X86
-#define CABAC_ON_STACK
-#endif
-#ifdef CABAC_ON_STACK
-#define CC &cc
-    CABACContext cc;
-    cc.range     = h->cabac.range;
-    cc.low       = h->cabac.low;
-    cc.bytestream= h->cabac.bytestream;
-#else
-#define CC &h->cabac
-#endif
-
-
-    /* cat: 0-> DC 16x16  n = 0
-     *      1-> AC 16x16  n = luma4x4idx
-     *      2-> Luma4x4   n = luma4x4idx
-     *      3-> DC Chroma n = iCbCr
-     *      4-> AC Chroma n = 4 * iCbCr + chroma4x4idx
-     *      5-> Luma8x8   n = 4 * luma8x8idx
-     */
-
-    /* read coded block flag */
-    if( cat != 5 ) {
-        if( get_cabac( CC, &h->cabac_state[85 + get_cabac_cbf_ctx( h, cat, n ) ] ) == 0 ) {
-            if( cat == 1 || cat == 2 )
-                h->non_zero_count_cache[scan8[n]] = 0;
-            else if( cat == 4 )
-                h->non_zero_count_cache[scan8[16+n]] = 0;
-#ifdef CABAC_ON_STACK
-            h->cabac.range     = cc.range     ;
-            h->cabac.low       = cc.low       ;
-            h->cabac.bytestream= cc.bytestream;
-#endif
-            return 0;
-        }
-    }
-
-    significant_coeff_ctx_base = h->cabac_state
-        + significant_coeff_flag_offset[MB_FIELD][cat];
-    last_coeff_ctx_base = h->cabac_state
-        + last_coeff_flag_offset[MB_FIELD][cat];
-    abs_level_m1_ctx_base = h->cabac_state
-        + coeff_abs_level_m1_offset[cat];
-
-    if( cat == 5 ) {
-#define DECODE_SIGNIFICANCE( coefs, sig_off, last_off ) \
-        for(last= 0; last < coefs; last++) { \
-            uint8_t *sig_ctx = significant_coeff_ctx_base + sig_off; \
-            if( get_cabac( CC, sig_ctx )) { \
-                uint8_t *last_ctx = last_coeff_ctx_base + last_off; \
-                index[coeff_count++] = last; \
-                if( get_cabac( CC, last_ctx ) ) { \
-                    last= max_coeff; \
-                    break; \
-                } \
-            } \
-        }\
-        if( last == max_coeff -1 ) {\
-            index[coeff_count++] = last;\
-        }
-        const uint8_t *sig_off = significant_coeff_flag_offset_8x8[MB_FIELD];
-#if defined(ARCH_X86) && defined(CONFIG_7REGS) && defined(HAVE_EBX_AVAILABLE) && !defined(BROKEN_RELOCATIONS)
-        coeff_count= decode_significance_8x8_x86(CC, significant_coeff_ctx_base, index, sig_off);
-    } else {
-        coeff_count= decode_significance_x86(CC, max_coeff, significant_coeff_ctx_base, index);
-#else
-        DECODE_SIGNIFICANCE( 63, sig_off[last], last_coeff_flag_offset_8x8[last] );
-    } else {
-        DECODE_SIGNIFICANCE( max_coeff - 1, last, last );
-#endif
-    }
-    assert(coeff_count > 0);
-
-    if( cat == 0 )
-        h->cbp_table[mb_xy] |= 0x100;
-    else if( cat == 1 || cat == 2 )
-        h->non_zero_count_cache[scan8[n]] = coeff_count;
-    else if( cat == 3 )
-        h->cbp_table[mb_xy] |= 0x40 << n;
-    else if( cat == 4 )
-        h->non_zero_count_cache[scan8[16+n]] = coeff_count;
-    else {
-        assert( cat == 5 );
-        fill_rectangle(&h->non_zero_count_cache[scan8[n]], 2, 2, 8, coeff_count, 1);
-    }
-
-    for( coeff_count--; coeff_count >= 0; coeff_count-- ) {
-        uint8_t *ctx = (abslevelgt1 != 0 ? 0 : FFMIN( 4, abslevel1 )) + abs_level_m1_ctx_base;
-        int j= scantable[index[coeff_count]];
-
-        if( get_cabac( CC, ctx ) == 0 ) {
-            if( !qmul ) {
-                block[j] = get_cabac_bypass_sign( CC, -1);
-            }else{
-                block[j] = (get_cabac_bypass_sign( CC, -qmul[j]) + 32) >> 6;;
-            }
-
-            abslevel1++;
-        } else {
-            int coeff_abs = 2;
-            ctx = 5 + FFMIN( 4, abslevelgt1 ) + abs_level_m1_ctx_base;
-            while( coeff_abs < 15 && get_cabac( CC, ctx ) ) {
-                coeff_abs++;
-            }
-
-            if( coeff_abs >= 15 ) {
-                int j = 0;
-                while( get_cabac_bypass( CC ) ) {
-                    j++;
-                }
-
-                coeff_abs=1;
-                while( j-- ) {
-                    coeff_abs += coeff_abs + get_cabac_bypass( CC );
-                }
-                coeff_abs+= 14;
-            }
-
-            if( !qmul ) {
-                if( get_cabac_bypass( CC ) ) block[j] = -coeff_abs;
-                else                                block[j] =  coeff_abs;
-            }else{
-                if( get_cabac_bypass( CC ) ) block[j] = (-coeff_abs * qmul[j] + 32) >> 6;
-                else                                block[j] = ( coeff_abs * qmul[j] + 32) >> 6;
-            }
-
-            abslevelgt1++;
-        }
-    }
-#ifdef CABAC_ON_STACK
-            h->cabac.range     = cc.range     ;
-            h->cabac.low       = cc.low       ;
-            h->cabac.bytestream= cc.bytestream;
-#endif
-    return 0;
-}
-
-static inline void compute_mb_neighbors(H264Context *h)
-{
-    MpegEncContext * const s = &h->s;
-    const int mb_xy  = s->mb_x + s->mb_y*s->mb_stride;
-    h->top_mb_xy     = mb_xy - s->mb_stride;
-    h->left_mb_xy[0] = mb_xy - 1;
-    if(FRAME_MBAFF){
-        const int pair_xy          = s->mb_x     + (s->mb_y & ~1)*s->mb_stride;
-        const int top_pair_xy      = pair_xy     - s->mb_stride;
-        const int top_mb_frame_flag      = !IS_INTERLACED(s->current_picture.mb_type[top_pair_xy]);
-        const int left_mb_frame_flag = !IS_INTERLACED(s->current_picture.mb_type[pair_xy-1]);
-        const int curr_mb_frame_flag = !MB_FIELD;
-        const int bottom = (s->mb_y & 1);
-        if (bottom
-                ? !curr_mb_frame_flag // bottom macroblock
-                : (!curr_mb_frame_flag && !top_mb_frame_flag) // top macroblock
-                ) {
-            h->top_mb_xy -= s->mb_stride;
-        }
-        if (left_mb_frame_flag != curr_mb_frame_flag) {
-            h->left_mb_xy[0] = pair_xy - 1;
-        }
-    }
-    return;
-}
-
-/**
- * decodes a macroblock
- * @returns 0 if ok, AC_ERROR / DC_ERROR / MV_ERROR if an error is noticed
- */
-static int decode_mb_cabac(H264Context *h) {
-    MpegEncContext * const s = &h->s;
-    const int mb_xy= s->mb_x + s->mb_y*s->mb_stride;
-    int mb_type, partition_count, cbp = 0;
-    int dct8x8_allowed= h->pps.transform_8x8_mode;
-
-    s->dsp.clear_blocks(h->mb); //FIXME avoid if already clear (move after skip handlong?)
-
-    tprintf(s->avctx, "pic:%d mb:%d/%d\n", h->frame_num, s->mb_x, s->mb_y);
-    if( h->slice_type != I_TYPE && h->slice_type != SI_TYPE ) {
-        int skip;
-        /* a skipped mb needs the aff flag from the following mb */
-        if( FRAME_MBAFF && s->mb_x==0 && (s->mb_y&1)==0 )
-            predict_field_decoding_flag(h);
-        if( FRAME_MBAFF && (s->mb_y&1)==1 && h->prev_mb_skipped )
-            skip = h->next_mb_skipped;
-        else
-            skip = decode_cabac_mb_skip( h, s->mb_x, s->mb_y );
-        /* read skip flags */
-        if( skip ) {
-            if( FRAME_MBAFF && (s->mb_y&1)==0 ){
-                s->current_picture.mb_type[mb_xy] = MB_TYPE_SKIP;
-                h->next_mb_skipped = decode_cabac_mb_skip( h, s->mb_x, s->mb_y+1 );
-                if(h->next_mb_skipped)
-                    predict_field_decoding_flag(h);
-                else
-                    h->mb_mbaff = h->mb_field_decoding_flag = decode_cabac_field_decoding_flag(h);
-            }
-
-            decode_mb_skip(h);
-
-            h->cbp_table[mb_xy] = 0;
-            h->chroma_pred_mode_table[mb_xy] = 0;
-            h->last_qscale_diff = 0;
-
-            return 0;
-
-        }
-    }
-    if(FRAME_MBAFF){
-        if( (s->mb_y&1) == 0 )
-            h->mb_mbaff =
-            h->mb_field_decoding_flag = decode_cabac_field_decoding_flag(h);
-    }else
-        h->mb_field_decoding_flag= (s->picture_structure!=PICT_FRAME);
-
-    h->prev_mb_skipped = 0;
-
-    compute_mb_neighbors(h);
-    if( ( mb_type = decode_cabac_mb_type( h ) ) < 0 ) {
-        av_log( h->s.avctx, AV_LOG_ERROR, "decode_cabac_mb_type failed\n" );
-        return -1;
-    }
-
-    if( h->slice_type == B_TYPE ) {
-        if( mb_type < 23 ){
-            partition_count= b_mb_type_info[mb_type].partition_count;
-            mb_type=         b_mb_type_info[mb_type].type;
-        }else{
-            mb_type -= 23;
-            goto decode_intra_mb;
-        }
-    } else if( h->slice_type == P_TYPE ) {
-        if( mb_type < 5) {
-            partition_count= p_mb_type_info[mb_type].partition_count;
-            mb_type=         p_mb_type_info[mb_type].type;
-        } else {
-            mb_type -= 5;
-            goto decode_intra_mb;
-        }
-    } else {
-       assert(h->slice_type == I_TYPE);
-decode_intra_mb:
-        partition_count = 0;
-        cbp= i_mb_type_info[mb_type].cbp;
-        h->intra16x16_pred_mode= i_mb_type_info[mb_type].pred_mode;
-        mb_type= i_mb_type_info[mb_type].type;
-    }
-    if(MB_FIELD)
-        mb_type |= MB_TYPE_INTERLACED;
-
-    h->slice_table[ mb_xy ]= h->slice_num;
-
-    if(IS_INTRA_PCM(mb_type)) {
-        const uint8_t *ptr;
-        unsigned int x, y;
-
-        // We assume these blocks are very rare so we dont optimize it.
-        // FIXME The two following lines get the bitstream position in the cabac
-        // decode, I think it should be done by a function in cabac.h (or cabac.c).
-        ptr= h->cabac.bytestream;
-        if(h->cabac.low&0x1) ptr--;
-        if(CABAC_BITS==16){
-            if(h->cabac.low&0x1FF) ptr--;
-        }
-
-        // The pixels are stored in the same order as levels in h->mb array.
-        for(y=0; y<16; y++){
-            const int index= 4*(y&3) + 32*((y>>2)&1) + 128*(y>>3);
-            for(x=0; x<16; x++){
-                tprintf(s->avctx, "LUMA ICPM LEVEL (%3d)\n", *ptr);
-                h->mb[index + (x&3) + 16*((x>>2)&1) + 64*(x>>3)]= *ptr++;
-            }
-        }
-        for(y=0; y<8; y++){
-            const int index= 256 + 4*(y&3) + 32*(y>>2);
-            for(x=0; x<8; x++){
-                tprintf(s->avctx, "CHROMA U ICPM LEVEL (%3d)\n", *ptr);
-                h->mb[index + (x&3) + 16*(x>>2)]= *ptr++;
-            }
-        }
-        for(y=0; y<8; y++){
-            const int index= 256 + 64 + 4*(y&3) + 32*(y>>2);
-            for(x=0; x<8; x++){
-                tprintf(s->avctx, "CHROMA V ICPM LEVEL (%3d)\n", *ptr);
-                h->mb[index + (x&3) + 16*(x>>2)]= *ptr++;
-            }
-        }
-
-        ff_init_cabac_decoder(&h->cabac, ptr, h->cabac.bytestream_end - ptr);
-
-        // All blocks are present
-        h->cbp_table[mb_xy] = 0x1ef;
-        h->chroma_pred_mode_table[mb_xy] = 0;
-        // In deblocking, the quantizer is 0
-        s->current_picture.qscale_table[mb_xy]= 0;
-        h->chroma_qp = get_chroma_qp(h->pps.chroma_qp_index_offset, 0);
-        // All coeffs are present
-        memset(h->non_zero_count[mb_xy], 16, 16);
-        s->current_picture.mb_type[mb_xy]= mb_type;
-        return 0;
-    }
-
-    if(MB_MBAFF){
-        h->ref_count[0] <<= 1;
-        h->ref_count[1] <<= 1;
-    }
-
-    fill_caches(h, mb_type, 0);
-
-    if( IS_INTRA( mb_type ) ) {
-        int i, pred_mode;
-        if( IS_INTRA4x4( mb_type ) ) {
-            if( dct8x8_allowed && decode_cabac_mb_transform_size( h ) ) {
-                mb_type |= MB_TYPE_8x8DCT;
-                for( i = 0; i < 16; i+=4 ) {
-                    int pred = pred_intra_mode( h, i );
-                    int mode = decode_cabac_mb_intra4x4_pred_mode( h, pred );
-                    fill_rectangle( &h->intra4x4_pred_mode_cache[ scan8[i] ], 2, 2, 8, mode, 1 );
-                }
-            } else {
-                for( i = 0; i < 16; i++ ) {
-                    int pred = pred_intra_mode( h, i );
-                    h->intra4x4_pred_mode_cache[ scan8[i] ] = decode_cabac_mb_intra4x4_pred_mode( h, pred );
-
-                //av_log( s->avctx, AV_LOG_ERROR, "i4x4 pred=%d mode=%d\n", pred, h->intra4x4_pred_mode_cache[ scan8[i] ] );
-                }
-            }
-            write_back_intra_pred_mode(h);
-            if( check_intra4x4_pred_mode(h) < 0 ) return -1;
-        } else {
-            h->intra16x16_pred_mode= check_intra_pred_mode( h, h->intra16x16_pred_mode );
-            if( h->intra16x16_pred_mode < 0 ) return -1;
-        }
-        h->chroma_pred_mode_table[mb_xy] =
-        pred_mode                        = decode_cabac_mb_chroma_pre_mode( h );
-
-        pred_mode= check_intra_pred_mode( h, pred_mode );
-        if( pred_mode < 0 ) return -1;
-        h->chroma_pred_mode= pred_mode;
-    } else if( partition_count == 4 ) {
-        int i, j, sub_partition_count[4], list, ref[2][4];
-
-        if( h->slice_type == B_TYPE ) {
-            for( i = 0; i < 4; i++ ) {
-                h->sub_mb_type[i] = decode_cabac_b_mb_sub_type( h );
-                sub_partition_count[i]= b_sub_mb_type_info[ h->sub_mb_type[i] ].partition_count;
-                h->sub_mb_type[i]=      b_sub_mb_type_info[ h->sub_mb_type[i] ].type;
-            }
-            if( IS_DIRECT(h->sub_mb_type[0] | h->sub_mb_type[1] |
-                          h->sub_mb_type[2] | h->sub_mb_type[3]) ) {
-                pred_direct_motion(h, &mb_type);
-                if( h->ref_count[0] > 1 || h->ref_count[1] > 1 ) {
-                    for( i = 0; i < 4; i++ )
-                        if( IS_DIRECT(h->sub_mb_type[i]) )
-                            fill_rectangle( &h->direct_cache[scan8[4*i]], 2, 2, 8, 1, 1 );
-                }
-            }
-        } else {
-            for( i = 0; i < 4; i++ ) {
-                h->sub_mb_type[i] = decode_cabac_p_mb_sub_type( h );
-                sub_partition_count[i]= p_sub_mb_type_info[ h->sub_mb_type[i] ].partition_count;
-                h->sub_mb_type[i]=      p_sub_mb_type_info[ h->sub_mb_type[i] ].type;
-            }
-        }
-
-        for( list = 0; list < h->list_count; list++ ) {
-                for( i = 0; i < 4; i++ ) {
-                    if(IS_DIRECT(h->sub_mb_type[i])) continue;
-                    if(IS_DIR(h->sub_mb_type[i], 0, list)){
-                        if( h->ref_count[list] > 1 )
-                            ref[list][i] = decode_cabac_mb_ref( h, list, 4*i );
-                        else
-                            ref[list][i] = 0;
-                    } else {
-                        ref[list][i] = -1;
-                    }
-                                                       h->ref_cache[list][ scan8[4*i]+1 ]=
-                    h->ref_cache[list][ scan8[4*i]+8 ]=h->ref_cache[list][ scan8[4*i]+9 ]= ref[list][i];
-                }
-        }
-
-        if(dct8x8_allowed)
-            dct8x8_allowed = get_dct8x8_allowed(h);
-
-        for(list=0; list<h->list_count; list++){
-            for(i=0; i<4; i++){
-                if(IS_DIRECT(h->sub_mb_type[i])){
-                    fill_rectangle(h->mvd_cache[list][scan8[4*i]], 2, 2, 8, 0, 4);
-                    continue;
-                }
-                h->ref_cache[list][ scan8[4*i]   ]=h->ref_cache[list][ scan8[4*i]+1 ];
-
-                if(IS_DIR(h->sub_mb_type[i], 0, list) && !IS_DIRECT(h->sub_mb_type[i])){
-                    const int sub_mb_type= h->sub_mb_type[i];
-                    const int block_width= (sub_mb_type & (MB_TYPE_16x16|MB_TYPE_16x8)) ? 2 : 1;
-                    for(j=0; j<sub_partition_count[i]; j++){
-                        int mpx, mpy;
-                        int mx, my;
-                        const int index= 4*i + block_width*j;
-                        int16_t (* mv_cache)[2]= &h->mv_cache[list][ scan8[index] ];
-                        int16_t (* mvd_cache)[2]= &h->mvd_cache[list][ scan8[index] ];
-                        pred_motion(h, index, block_width, list, h->ref_cache[list][ scan8[index] ], &mpx, &mpy);
-
-                        mx = mpx + decode_cabac_mb_mvd( h, list, index, 0 );
-                        my = mpy + decode_cabac_mb_mvd( h, list, index, 1 );
-                        tprintf(s->avctx, "final mv:%d %d\n", mx, my);
-
-                        if(IS_SUB_8X8(sub_mb_type)){
-                            mv_cache[ 1 ][0]=
-                            mv_cache[ 8 ][0]= mv_cache[ 9 ][0]= mx;
-                            mv_cache[ 1 ][1]=
-                            mv_cache[ 8 ][1]= mv_cache[ 9 ][1]= my;
-
-                            mvd_cache[ 1 ][0]=
-                            mvd_cache[ 8 ][0]= mvd_cache[ 9 ][0]= mx - mpx;
-                            mvd_cache[ 1 ][1]=
-                            mvd_cache[ 8 ][1]= mvd_cache[ 9 ][1]= my - mpy;
-                        }else if(IS_SUB_8X4(sub_mb_type)){
-                            mv_cache[ 1 ][0]= mx;
-                            mv_cache[ 1 ][1]= my;
-
-                            mvd_cache[ 1 ][0]= mx - mpx;
-                            mvd_cache[ 1 ][1]= my - mpy;
-                        }else if(IS_SUB_4X8(sub_mb_type)){
-                            mv_cache[ 8 ][0]= mx;
-                            mv_cache[ 8 ][1]= my;
-
-                            mvd_cache[ 8 ][0]= mx - mpx;
-                            mvd_cache[ 8 ][1]= my - mpy;
-                        }
-                        mv_cache[ 0 ][0]= mx;
-                        mv_cache[ 0 ][1]= my;
-
-                        mvd_cache[ 0 ][0]= mx - mpx;
-                        mvd_cache[ 0 ][1]= my - mpy;
-                    }
-                }else{
-                    uint32_t *p= (uint32_t *)&h->mv_cache[list][ scan8[4*i] ][0];
-                    uint32_t *pd= (uint32_t *)&h->mvd_cache[list][ scan8[4*i] ][0];
-                    p[0] = p[1] = p[8] = p[9] = 0;
-                    pd[0]= pd[1]= pd[8]= pd[9]= 0;
-                }
-            }
-        }
-    } else if( IS_DIRECT(mb_type) ) {
-        pred_direct_motion(h, &mb_type);
-        fill_rectangle(h->mvd_cache[0][scan8[0]], 4, 4, 8, 0, 4);
-        fill_rectangle(h->mvd_cache[1][scan8[0]], 4, 4, 8, 0, 4);
-        dct8x8_allowed &= h->sps.direct_8x8_inference_flag;
-    } else {
-        int list, mx, my, i, mpx, mpy;
-        if(IS_16X16(mb_type)){
-            for(list=0; list<h->list_count; list++){
-                if(IS_DIR(mb_type, 0, list)){
-                        const int ref = h->ref_count[list] > 1 ? decode_cabac_mb_ref( h, list, 0 ) : 0;
-                        fill_rectangle(&h->ref_cache[list][ scan8[0] ], 4, 4, 8, ref, 1);
-                }else
-                    fill_rectangle(&h->ref_cache[list][ scan8[0] ], 4, 4, 8, (uint8_t)LIST_NOT_USED, 1); //FIXME factorize and the other fill_rect below too
-            }
-            for(list=0; list<h->list_count; list++){
-                if(IS_DIR(mb_type, 0, list)){
-                    pred_motion(h, 0, 4, list, h->ref_cache[list][ scan8[0] ], &mpx, &mpy);
-
-                    mx = mpx + decode_cabac_mb_mvd( h, list, 0, 0 );
-                    my = mpy + decode_cabac_mb_mvd( h, list, 0, 1 );
-                    tprintf(s->avctx, "final mv:%d %d\n", mx, my);
-
-                    fill_rectangle(h->mvd_cache[list][ scan8[0] ], 4, 4, 8, pack16to32(mx-mpx,my-mpy), 4);
-                    fill_rectangle(h->mv_cache[list][ scan8[0] ], 4, 4, 8, pack16to32(mx,my), 4);
-                }else
-                    fill_rectangle(h->mv_cache[list][ scan8[0] ], 4, 4, 8, 0, 4);
-            }
-        }
-        else if(IS_16X8(mb_type)){
-            for(list=0; list<h->list_count; list++){
-                    for(i=0; i<2; i++){
-                        if(IS_DIR(mb_type, i, list)){
-                            const int ref= h->ref_count[list] > 1 ? decode_cabac_mb_ref( h, list, 8*i ) : 0;
-                            fill_rectangle(&h->ref_cache[list][ scan8[0] + 16*i ], 4, 2, 8, ref, 1);
-                        }else
-                            fill_rectangle(&h->ref_cache[list][ scan8[0] + 16*i ], 4, 2, 8, (LIST_NOT_USED&0xFF), 1);
-                    }
-            }
-            for(list=0; list<h->list_count; list++){
-                for(i=0; i<2; i++){
-                    if(IS_DIR(mb_type, i, list)){
-                        pred_16x8_motion(h, 8*i, list, h->ref_cache[list][scan8[0] + 16*i], &mpx, &mpy);
-                        mx = mpx + decode_cabac_mb_mvd( h, list, 8*i, 0 );
-                        my = mpy + decode_cabac_mb_mvd( h, list, 8*i, 1 );
-                        tprintf(s->avctx, "final mv:%d %d\n", mx, my);
-
-                        fill_rectangle(h->mvd_cache[list][ scan8[0] + 16*i ], 4, 2, 8, pack16to32(mx-mpx,my-mpy), 4);
-                        fill_rectangle(h->mv_cache[list][ scan8[0] + 16*i ], 4, 2, 8, pack16to32(mx,my), 4);
-                    }else{
-                        fill_rectangle(h->mvd_cache[list][ scan8[0] + 16*i ], 4, 2, 8, 0, 4);
-                        fill_rectangle(h-> mv_cache[list][ scan8[0] + 16*i ], 4, 2, 8, 0, 4);
-                    }
-                }
-            }
-        }else{
-            assert(IS_8X16(mb_type));
-            for(list=0; list<h->list_count; list++){
-                    for(i=0; i<2; i++){
-                        if(IS_DIR(mb_type, i, list)){ //FIXME optimize
-                            const int ref= h->ref_count[list] > 1 ? decode_cabac_mb_ref( h, list, 4*i ) : 0;
-                            fill_rectangle(&h->ref_cache[list][ scan8[0] + 2*i ], 2, 4, 8, ref, 1);
-                        }else
-                            fill_rectangle(&h->ref_cache[list][ scan8[0] + 2*i ], 2, 4, 8, (LIST_NOT_USED&0xFF), 1);
-                    }
-            }
-            for(list=0; list<h->list_count; list++){
-                for(i=0; i<2; i++){
-                    if(IS_DIR(mb_type, i, list)){
-                        pred_8x16_motion(h, i*4, list, h->ref_cache[list][ scan8[0] + 2*i ], &mpx, &mpy);
-                        mx = mpx + decode_cabac_mb_mvd( h, list, 4*i, 0 );
-                        my = mpy + decode_cabac_mb_mvd( h, list, 4*i, 1 );
-
-                        tprintf(s->avctx, "final mv:%d %d\n", mx, my);
-                        fill_rectangle(h->mvd_cache[list][ scan8[0] + 2*i ], 2, 4, 8, pack16to32(mx-mpx,my-mpy), 4);
-                        fill_rectangle(h->mv_cache[list][ scan8[0] + 2*i ], 2, 4, 8, pack16to32(mx,my), 4);
-                    }else{
-                        fill_rectangle(h->mvd_cache[list][ scan8[0] + 2*i ], 2, 4, 8, 0, 4);
-                        fill_rectangle(h-> mv_cache[list][ scan8[0] + 2*i ], 2, 4, 8, 0, 4);
-                    }
-                }
-            }
-        }
-    }
-
-   if( IS_INTER( mb_type ) ) {
-        h->chroma_pred_mode_table[mb_xy] = 0;
-        write_back_motion( h, mb_type );
-   }
-
-    if( !IS_INTRA16x16( mb_type ) ) {
-        cbp  = decode_cabac_mb_cbp_luma( h );
-        cbp |= decode_cabac_mb_cbp_chroma( h ) << 4;
-    }
-
-    h->cbp_table[mb_xy] = h->cbp = cbp;
-
-    if( dct8x8_allowed && (cbp&15) && !IS_INTRA( mb_type ) ) {
-        if( decode_cabac_mb_transform_size( h ) )
-            mb_type |= MB_TYPE_8x8DCT;
-    }
-    s->current_picture.mb_type[mb_xy]= mb_type;
-
-    if( cbp || IS_INTRA16x16( mb_type ) ) {
-        const uint8_t *scan, *scan8x8, *dc_scan;
-        int dqp;
-
-        if(IS_INTERLACED(mb_type)){
-            scan8x8= s->qscale ? h->field_scan8x8 : h->field_scan8x8_q0;
-            scan= s->qscale ? h->field_scan : h->field_scan_q0;
-            dc_scan= luma_dc_field_scan;
-        }else{
-            scan8x8= s->qscale ? h->zigzag_scan8x8 : h->zigzag_scan8x8_q0;
-            scan= s->qscale ? h->zigzag_scan : h->zigzag_scan_q0;
-            dc_scan= luma_dc_zigzag_scan;
-        }
-
-        h->last_qscale_diff = dqp = decode_cabac_mb_dqp( h );
-        if( dqp == INT_MIN ){
-            av_log(h->s.avctx, AV_LOG_ERROR, "cabac decode of qscale diff failed at %d %d\n", s->mb_x, s->mb_y);
-            return -1;
-        }
-        s->qscale += dqp;
-        if(((unsigned)s->qscale) > 51){
-            if(s->qscale<0) s->qscale+= 52;
-            else            s->qscale-= 52;
-        }
-        h->chroma_qp = get_chroma_qp(h->pps.chroma_qp_index_offset, s->qscale);
-
-        if( IS_INTRA16x16( mb_type ) ) {
-            int i;
-            //av_log( s->avctx, AV_LOG_ERROR, "INTRA16x16 DC\n" );
-            if( decode_cabac_residual( h, h->mb, 0, 0, dc_scan, NULL, 16) < 0)
-                return -1;
-            if( cbp&15 ) {
-                for( i = 0; i < 16; i++ ) {
-                    //av_log( s->avctx, AV_LOG_ERROR, "INTRA16x16 AC:%d\n", i );
-                    if( decode_cabac_residual(h, h->mb + 16*i, 1, i, scan + 1, h->dequant4_coeff[0][s->qscale], 15) < 0 )
-                        return -1;
-                }
-            } else {
-                fill_rectangle(&h->non_zero_count_cache[scan8[0]], 4, 4, 8, 0, 1);
-            }
-        } else {
-            int i8x8, i4x4;
-            for( i8x8 = 0; i8x8 < 4; i8x8++ ) {
-                if( cbp & (1<<i8x8) ) {
-                    if( IS_8x8DCT(mb_type) ) {
-                        if( decode_cabac_residual(h, h->mb + 64*i8x8, 5, 4*i8x8,
-                            scan8x8, h->dequant8_coeff[IS_INTRA( mb_type ) ? 0:1][s->qscale], 64) < 0 )
-                            return -1;
-                    } else
-                    for( i4x4 = 0; i4x4 < 4; i4x4++ ) {
-                        const int index = 4*i8x8 + i4x4;
-                        //av_log( s->avctx, AV_LOG_ERROR, "Luma4x4: %d\n", index );
-//START_TIMER
-                        if( decode_cabac_residual(h, h->mb + 16*index, 2, index, scan, h->dequant4_coeff[IS_INTRA( mb_type ) ? 0:3][s->qscale], 16) < 0 )
-                            return -1;
-//STOP_TIMER("decode_residual")
-                    }
-                } else {
-                    uint8_t * const nnz= &h->non_zero_count_cache[ scan8[4*i8x8] ];
-                    nnz[0] = nnz[1] = nnz[8] = nnz[9] = 0;
-                }
-            }
-        }
-
-        if( cbp&0x30 ){
-            int c;
-            for( c = 0; c < 2; c++ ) {
-                //av_log( s->avctx, AV_LOG_ERROR, "INTRA C%d-DC\n",c );
-                if( decode_cabac_residual(h, h->mb + 256 + 16*4*c, 3, c, chroma_dc_scan, NULL, 4) < 0)
-                    return -1;
-            }
-        }
-
-        if( cbp&0x20 ) {
-            int c, i;
-            for( c = 0; c < 2; c++ ) {
-                for( i = 0; i < 4; i++ ) {
-                    const int index = 16 + 4 * c + i;
-                    //av_log( s->avctx, AV_LOG_ERROR, "INTRA C%d-AC %d\n",c, index - 16 );
-                    if( decode_cabac_residual(h, h->mb + 16*index, 4, index - 16, scan + 1, h->dequant4_coeff[c+1+(IS_INTRA( mb_type ) ? 0:3)][h->chroma_qp], 15) < 0)
-                        return -1;
-                }
-            }
-        } else {
-            uint8_t * const nnz= &h->non_zero_count_cache[0];
-            nnz[ scan8[16]+0 ] = nnz[ scan8[16]+1 ] =nnz[ scan8[16]+8 ] =nnz[ scan8[16]+9 ] =
-            nnz[ scan8[20]+0 ] = nnz[ scan8[20]+1 ] =nnz[ scan8[20]+8 ] =nnz[ scan8[20]+9 ] = 0;
-        }
-    } else {
-        uint8_t * const nnz= &h->non_zero_count_cache[0];
-        fill_rectangle(&nnz[scan8[0]], 4, 4, 8, 0, 1);
-        nnz[ scan8[16]+0 ] = nnz[ scan8[16]+1 ] =nnz[ scan8[16]+8 ] =nnz[ scan8[16]+9 ] =
-        nnz[ scan8[20]+0 ] = nnz[ scan8[20]+1 ] =nnz[ scan8[20]+8 ] =nnz[ scan8[20]+9 ] = 0;
-        h->last_qscale_diff = 0;
-    }
-
-    s->current_picture.qscale_table[mb_xy]= s->qscale;
-    write_back_non_zero_count(h);
-
-    if(MB_MBAFF){
-        h->ref_count[0] >>= 1;
-        h->ref_count[1] >>= 1;
-    }
-
-    return 0;
-}
-
-
-static void filter_mb_edgev( H264Context *h, uint8_t *pix, int stride, int16_t bS[4], int qp ) {
-    int i, d;
-    const int index_a = qp + h->slice_alpha_c0_offset;
-    const int alpha = (alpha_table+52)[index_a];
-    const int beta  = (beta_table+52)[qp + h->slice_beta_offset];
-
-    if( bS[0] < 4 ) {
-        int8_t tc[4];
-        for(i=0; i<4; i++)
-            tc[i] = bS[i] ? (tc0_table+52)[index_a][bS[i] - 1] : -1;
-        h->s.dsp.h264_h_loop_filter_luma(pix, stride, alpha, beta, tc);
-    } else {
-        /* 16px edge length, because bS=4 is triggered by being at
-         * the edge of an intra MB, so all 4 bS are the same */
-            for( d = 0; d < 16; d++ ) {
-                const int p0 = pix[-1];
-                const int p1 = pix[-2];
-                const int p2 = pix[-3];
-
-                const int q0 = pix[0];
-                const int q1 = pix[1];
-                const int q2 = pix[2];
-
-                if( FFABS( p0 - q0 ) < alpha &&
-                    FFABS( p1 - p0 ) < beta &&
-                    FFABS( q1 - q0 ) < beta ) {
-
-                    if(FFABS( p0 - q0 ) < (( alpha >> 2 ) + 2 )){
-                        if( FFABS( p2 - p0 ) < beta)
-                        {
-                            const int p3 = pix[-4];
-                            /* p0', p1', p2' */
-                            pix[-1] = ( p2 + 2*p1 + 2*p0 + 2*q0 + q1 + 4 ) >> 3;
-                            pix[-2] = ( p2 + p1 + p0 + q0 + 2 ) >> 2;
-                            pix[-3] = ( 2*p3 + 3*p2 + p1 + p0 + q0 + 4 ) >> 3;
-                        } else {
-                            /* p0' */
-                            pix[-1] = ( 2*p1 + p0 + q1 + 2 ) >> 2;
-                        }
-                        if( FFABS( q2 - q0 ) < beta)
-                        {
-                            const int q3 = pix[3];
-                            /* q0', q1', q2' */
-                            pix[0] = ( p1 + 2*p0 + 2*q0 + 2*q1 + q2 + 4 ) >> 3;
-                            pix[1] = ( p0 + q0 + q1 + q2 + 2 ) >> 2;
-                            pix[2] = ( 2*q3 + 3*q2 + q1 + q0 + p0 + 4 ) >> 3;
-                        } else {
-                            /* q0' */
-                            pix[0] = ( 2*q1 + q0 + p1 + 2 ) >> 2;
-                        }
-                    }else{
-                        /* p0', q0' */
-                        pix[-1] = ( 2*p1 + p0 + q1 + 2 ) >> 2;
-                        pix[ 0] = ( 2*q1 + q0 + p1 + 2 ) >> 2;
-                    }
-                    tprintf(h->s.avctx, "filter_mb_edgev i:%d d:%d\n# bS:4 -> [%02x, %02x, %02x, %02x, %02x, %02x] =>[%02x, %02x, %02x, %02x]\n", i, d, p2, p1, p0, q0, q1, q2, pix[-2], pix[-1], pix[0], pix[1]);
-                }
-                pix += stride;
-            }
-    }
-}
-static void filter_mb_edgecv( H264Context *h, uint8_t *pix, int stride, int16_t bS[4], int qp ) {
-    int i;
-    const int index_a = qp + h->slice_alpha_c0_offset;
-    const int alpha = (alpha_table+52)[index_a];
-    const int beta  = (beta_table+52)[qp + h->slice_beta_offset];
-
-    if( bS[0] < 4 ) {
-        int8_t tc[4];
-        for(i=0; i<4; i++)
-            tc[i] = bS[i] ? (tc0_table+52)[index_a][bS[i] - 1] + 1 : 0;
-        h->s.dsp.h264_h_loop_filter_chroma(pix, stride, alpha, beta, tc);
-    } else {
-        h->s.dsp.h264_h_loop_filter_chroma_intra(pix, stride, alpha, beta);
-    }
-}
-
-static void filter_mb_mbaff_edgev( H264Context *h, uint8_t *pix, int stride, int16_t bS[8], int qp[2] ) {
-    int i;
-    for( i = 0; i < 16; i++, pix += stride) {
-        int index_a;
-        int alpha;
-        int beta;
-
-        int qp_index;
-        int bS_index = (i >> 1);
-        if (!MB_FIELD) {
-            bS_index &= ~1;
-            bS_index |= (i & 1);
-        }
-
-        if( bS[bS_index] == 0 ) {
-            continue;
-        }
-
-        qp_index = MB_FIELD ? (i >> 3) : (i & 1);
-        index_a = qp[qp_index] + h->slice_alpha_c0_offset;
-        alpha = (alpha_table+52)[index_a];
-        beta  = (beta_table+52)[qp[qp_index] + h->slice_beta_offset];
-
-        if( bS[bS_index] < 4 ) {
-            const int tc0 = (tc0_table+52)[index_a][bS[bS_index] - 1];
-            const int p0 = pix[-1];
-            const int p1 = pix[-2];
-            const int p2 = pix[-3];
-            const int q0 = pix[0];
-            const int q1 = pix[1];
-            const int q2 = pix[2];
-
-            if( FFABS( p0 - q0 ) < alpha &&
-                FFABS( p1 - p0 ) < beta &&
-                FFABS( q1 - q0 ) < beta ) {
-                int tc = tc0;
-                int i_delta;
-
-                if( FFABS( p2 - p0 ) < beta ) {
-                    pix[-2] = p1 + av_clip( ( p2 + ( ( p0 + q0 + 1 ) >> 1 ) - ( p1 << 1 ) ) >> 1, -tc0, tc0 );
-                    tc++;
-                }
-                if( FFABS( q2 - q0 ) < beta ) {
-                    pix[1] = q1 + av_clip( ( q2 + ( ( p0 + q0 + 1 ) >> 1 ) - ( q1 << 1 ) ) >> 1, -tc0, tc0 );
-                    tc++;
-                }
-
-                i_delta = av_clip( (((q0 - p0 ) << 2) + (p1 - q1) + 4) >> 3, -tc, tc );
-                pix[-1] = av_clip_uint8( p0 + i_delta );    /* p0' */
-                pix[0]  = av_clip_uint8( q0 - i_delta );    /* q0' */
-                tprintf(h->s.avctx, "filter_mb_mbaff_edgev i:%d, qp:%d, indexA:%d, alpha:%d, beta:%d, tc:%d\n# bS:%d -> [%02x, %02x, %02x, %02x, %02x, %02x] =>[%02x, %02x, %02x, %02x]\n", i, qp[qp_index], index_a, alpha, beta, tc, bS[bS_index], pix[-3], p1, p0, q0, q1, pix[2], p1, pix[-1], pix[0], q1);
-            }
-        }else{
-            const int p0 = pix[-1];
-            const int p1 = pix[-2];
-            const int p2 = pix[-3];
-
-            const int q0 = pix[0];
-            const int q1 = pix[1];
-            const int q2 = pix[2];
-
-            if( FFABS( p0 - q0 ) < alpha &&
-                FFABS( p1 - p0 ) < beta &&
-                FFABS( q1 - q0 ) < beta ) {
-
-                if(FFABS( p0 - q0 ) < (( alpha >> 2 ) + 2 )){
-                    if( FFABS( p2 - p0 ) < beta)
-                    {
-                        const int p3 = pix[-4];
-                        /* p0', p1', p2' */
-                        pix[-1] = ( p2 + 2*p1 + 2*p0 + 2*q0 + q1 + 4 ) >> 3;
-                        pix[-2] = ( p2 + p1 + p0 + q0 + 2 ) >> 2;
-                        pix[-3] = ( 2*p3 + 3*p2 + p1 + p0 + q0 + 4 ) >> 3;
-                    } else {
-                        /* p0' */
-                        pix[-1] = ( 2*p1 + p0 + q1 + 2 ) >> 2;
-                    }
-                    if( FFABS( q2 - q0 ) < beta)
-                    {
-                        const int q3 = pix[3];
-                        /* q0', q1', q2' */
-                        pix[0] = ( p1 + 2*p0 + 2*q0 + 2*q1 + q2 + 4 ) >> 3;
-                        pix[1] = ( p0 + q0 + q1 + q2 + 2 ) >> 2;
-                        pix[2] = ( 2*q3 + 3*q2 + q1 + q0 + p0 + 4 ) >> 3;
-                    } else {
-                        /* q0' */
-                        pix[0] = ( 2*q1 + q0 + p1 + 2 ) >> 2;
-                    }
-                }else{
-                    /* p0', q0' */
-                    pix[-1] = ( 2*p1 + p0 + q1 + 2 ) >> 2;
-                    pix[ 0] = ( 2*q1 + q0 + p1 + 2 ) >> 2;
-                }
-                tprintf(h->s.avctx, "filter_mb_mbaff_edgev i:%d, qp:%d, indexA:%d, alpha:%d, beta:%d\n# bS:4 -> [%02x, %02x, %02x, %02x, %02x, %02x] =>[%02x, %02x, %02x, %02x, %02x, %02x]\n", i, qp[qp_index], index_a, alpha, beta, p2, p1, p0, q0, q1, q2, pix[-3], pix[-2], pix[-1], pix[0], pix[1], pix[2]);
-            }
-        }
-    }
-}
-static void filter_mb_mbaff_edgecv( H264Context *h, uint8_t *pix, int stride, int16_t bS[8], int qp[2] ) {
-    int i;
-    for( i = 0; i < 8; i++, pix += stride) {
-        int index_a;
-        int alpha;
-        int beta;
-
-        int qp_index;
-        int bS_index = i;
-
-        if( bS[bS_index] == 0 ) {
-            continue;
-        }
-
-        qp_index = MB_FIELD ? (i >> 2) : (i & 1);
-        index_a = qp[qp_index] + h->slice_alpha_c0_offset;
-        alpha = (alpha_table+52)[index_a];
-        beta  = (beta_table+52)[qp[qp_index] + h->slice_beta_offset];
-
-        if( bS[bS_index] < 4 ) {
-            const int tc = (tc0_table+52)[index_a][bS[bS_index] - 1] + 1;
-            const int p0 = pix[-1];
-            const int p1 = pix[-2];
-            const int q0 = pix[0];
-            const int q1 = pix[1];
-
-            if( FFABS( p0 - q0 ) < alpha &&
-                FFABS( p1 - p0 ) < beta &&
-                FFABS( q1 - q0 ) < beta ) {
-                const int i_delta = av_clip( (((q0 - p0 ) << 2) + (p1 - q1) + 4) >> 3, -tc, tc );
-
-                pix[-1] = av_clip_uint8( p0 + i_delta );    /* p0' */
-                pix[0]  = av_clip_uint8( q0 - i_delta );    /* q0' */
-                tprintf(h->s.avctx, "filter_mb_mbaff_edgecv i:%d, qp:%d, indexA:%d, alpha:%d, beta:%d, tc:%d\n# bS:%d -> [%02x, %02x, %02x, %02x, %02x, %02x] =>[%02x, %02x, %02x, %02x]\n", i, qp[qp_index], index_a, alpha, beta, tc, bS[bS_index], pix[-3], p1, p0, q0, q1, pix[2], p1, pix[-1], pix[0], q1);
-            }
-        }else{
-            const int p0 = pix[-1];
-            const int p1 = pix[-2];
-            const int q0 = pix[0];
-            const int q1 = pix[1];
-
-            if( FFABS( p0 - q0 ) < alpha &&
-                FFABS( p1 - p0 ) < beta &&
-                FFABS( q1 - q0 ) < beta ) {
-
-                pix[-1] = ( 2*p1 + p0 + q1 + 2 ) >> 2;   /* p0' */
-                pix[0]  = ( 2*q1 + q0 + p1 + 2 ) >> 2;   /* q0' */
-                tprintf(h->s.avctx, "filter_mb_mbaff_edgecv i:%d\n# bS:4 -> [%02x, %02x, %02x, %02x, %02x, %02x] =>[%02x, %02x, %02x, %02x, %02x, %02x]\n", i, pix[-3], p1, p0, q0, q1, pix[2], pix[-3], pix[-2], pix[-1], pix[0], pix[1], pix[2]);
-            }
-        }
-    }
-}
-
-static void filter_mb_edgeh( H264Context *h, uint8_t *pix, int stride, int16_t bS[4], int qp ) {
-    int i, d;
-    const int index_a = qp + h->slice_alpha_c0_offset;
-    const int alpha = (alpha_table+52)[index_a];
-    const int beta  = (beta_table+52)[qp + h->slice_beta_offset];
-    const int pix_next  = stride;
-
-    if( bS[0] < 4 ) {
-        int8_t tc[4];
-        for(i=0; i<4; i++)
-            tc[i] = bS[i] ? (tc0_table+52)[index_a][bS[i] - 1] : -1;
-        h->s.dsp.h264_v_loop_filter_luma(pix, stride, alpha, beta, tc);
-    } else {
-        /* 16px edge length, see filter_mb_edgev */
-            for( d = 0; d < 16; d++ ) {
-                const int p0 = pix[-1*pix_next];
-                const int p1 = pix[-2*pix_next];
-                const int p2 = pix[-3*pix_next];
-                const int q0 = pix[0];
-                const int q1 = pix[1*pix_next];
-                const int q2 = pix[2*pix_next];
-
-                if( FFABS( p0 - q0 ) < alpha &&
-                    FFABS( p1 - p0 ) < beta &&
-                    FFABS( q1 - q0 ) < beta ) {
-
-                    const int p3 = pix[-4*pix_next];
-                    const int q3 = pix[ 3*pix_next];
-
-                    if(FFABS( p0 - q0 ) < (( alpha >> 2 ) + 2 )){
-                        if( FFABS( p2 - p0 ) < beta) {
-                            /* p0', p1', p2' */
-                            pix[-1*pix_next] = ( p2 + 2*p1 + 2*p0 + 2*q0 + q1 + 4 ) >> 3;
-                            pix[-2*pix_next] = ( p2 + p1 + p0 + q0 + 2 ) >> 2;
-                            pix[-3*pix_next] = ( 2*p3 + 3*p2 + p1 + p0 + q0 + 4 ) >> 3;
-                        } else {
-                            /* p0' */
-                            pix[-1*pix_next] = ( 2*p1 + p0 + q1 + 2 ) >> 2;
-                        }
-                        if( FFABS( q2 - q0 ) < beta) {
-                            /* q0', q1', q2' */
-                            pix[0*pix_next] = ( p1 + 2*p0 + 2*q0 + 2*q1 + q2 + 4 ) >> 3;
-                            pix[1*pix_next] = ( p0 + q0 + q1 + q2 + 2 ) >> 2;
-                            pix[2*pix_next] = ( 2*q3 + 3*q2 + q1 + q0 + p0 + 4 ) >> 3;
-                        } else {
-                            /* q0' */
-                            pix[0*pix_next] = ( 2*q1 + q0 + p1 + 2 ) >> 2;
-                        }
-                    }else{
-                        /* p0', q0' */
-                        pix[-1*pix_next] = ( 2*p1 + p0 + q1 + 2 ) >> 2;
-                        pix[ 0*pix_next] = ( 2*q1 + q0 + p1 + 2 ) >> 2;
-                    }
-                    tprintf(h->s.avctx, "filter_mb_edgeh i:%d d:%d, qp:%d, indexA:%d, alpha:%d, beta:%d\n# bS:%d -> [%02x, %02x, %02x, %02x, %02x, %02x] =>[%02x, %02x, %02x, %02x]\n", i, d, qp, index_a, alpha, beta, bS[i], p2, p1, p0, q0, q1, q2, pix[-2*pix_next], pix[-pix_next], pix[0], pix[pix_next]);
-                }
-                pix++;
-            }
-    }
-}
-
-static void filter_mb_edgech( H264Context *h, uint8_t *pix, int stride, int16_t bS[4], int qp ) {
-    int i;
-    const int index_a = qp + h->slice_alpha_c0_offset;
-    const int alpha = (alpha_table+52)[index_a];
-    const int beta  = (beta_table+52)[qp + h->slice_beta_offset];
-
-    if( bS[0] < 4 ) {
-        int8_t tc[4];
-        for(i=0; i<4; i++)
-            tc[i] = bS[i] ? (tc0_table+52)[index_a][bS[i] - 1] + 1 : 0;
-        h->s.dsp.h264_v_loop_filter_chroma(pix, stride, alpha, beta, tc);
-    } else {
-        h->s.dsp.h264_v_loop_filter_chroma_intra(pix, stride, alpha, beta);
-    }
-}
-
-static void filter_mb_fast( H264Context *h, int mb_x, int mb_y, uint8_t *img_y, uint8_t *img_cb, uint8_t *img_cr, unsigned int linesize, unsigned int uvlinesize) {
-    MpegEncContext * const s = &h->s;
-    int mb_xy, mb_type;
-    int qp, qp0, qp1, qpc, qpc0, qpc1, qp_thresh;
-
-    if(mb_x==0 || mb_y==0 || !s->dsp.h264_loop_filter_strength) {
-        filter_mb(h, mb_x, mb_y, img_y, img_cb, img_cr, linesize, uvlinesize);
-        return;
-    }
-    assert(!FRAME_MBAFF);
-
-    mb_xy = mb_x + mb_y*s->mb_stride;
-    mb_type = s->current_picture.mb_type[mb_xy];
-    qp = s->current_picture.qscale_table[mb_xy];
-    qp0 = s->current_picture.qscale_table[mb_xy-1];
-    qp1 = s->current_picture.qscale_table[h->top_mb_xy];
-    qpc = get_chroma_qp( h->pps.chroma_qp_index_offset, qp );
-    qpc0 = get_chroma_qp( h->pps.chroma_qp_index_offset, qp0 );
-    qpc1 = get_chroma_qp( h->pps.chroma_qp_index_offset, qp1 );
-    qp0 = (qp + qp0 + 1) >> 1;
-    qp1 = (qp + qp1 + 1) >> 1;
-    qpc0 = (qpc + qpc0 + 1) >> 1;
-    qpc1 = (qpc + qpc1 + 1) >> 1;
-    qp_thresh = 15 - h->slice_alpha_c0_offset;
-    if(qp <= qp_thresh && qp0 <= qp_thresh && qp1 <= qp_thresh &&
-       qpc <= qp_thresh && qpc0 <= qp_thresh && qpc1 <= qp_thresh)
-        return;
-
-    if( IS_INTRA(mb_type) ) {
-        int16_t bS4[4] = {4,4,4,4};
-        int16_t bS3[4] = {3,3,3,3};
-        if( IS_8x8DCT(mb_type) ) {
-            filter_mb_edgev( h, &img_y[4*0], linesize, bS4, qp0 );
-            filter_mb_edgev( h, &img_y[4*2], linesize, bS3, qp );
-            filter_mb_edgeh( h, &img_y[4*0*linesize], linesize, bS4, qp1 );
-            filter_mb_edgeh( h, &img_y[4*2*linesize], linesize, bS3, qp );
-        } else {
-            filter_mb_edgev( h, &img_y[4*0], linesize, bS4, qp0 );
-            filter_mb_edgev( h, &img_y[4*1], linesize, bS3, qp );
-            filter_mb_edgev( h, &img_y[4*2], linesize, bS3, qp );
-            filter_mb_edgev( h, &img_y[4*3], linesize, bS3, qp );
-            filter_mb_edgeh( h, &img_y[4*0*linesize], linesize, bS4, qp1 );
-            filter_mb_edgeh( h, &img_y[4*1*linesize], linesize, bS3, qp );
-            filter_mb_edgeh( h, &img_y[4*2*linesize], linesize, bS3, qp );
-            filter_mb_edgeh( h, &img_y[4*3*linesize], linesize, bS3, qp );
-        }
-        filter_mb_edgecv( h, &img_cb[2*0], uvlinesize, bS4, qpc0 );
-        filter_mb_edgecv( h, &img_cb[2*2], uvlinesize, bS3, qpc );
-        filter_mb_edgecv( h, &img_cr[2*0], uvlinesize, bS4, qpc0 );
-        filter_mb_edgecv( h, &img_cr[2*2], uvlinesize, bS3, qpc );
-        filter_mb_edgech( h, &img_cb[2*0*uvlinesize], uvlinesize, bS4, qpc1 );
-        filter_mb_edgech( h, &img_cb[2*2*uvlinesize], uvlinesize, bS3, qpc );
-        filter_mb_edgech( h, &img_cr[2*0*uvlinesize], uvlinesize, bS4, qpc1 );
-        filter_mb_edgech( h, &img_cr[2*2*uvlinesize], uvlinesize, bS3, qpc );
-        return;
-    } else {
-        DECLARE_ALIGNED_8(int16_t, bS[2][4][4]);
-        uint64_t (*bSv)[4] = (uint64_t(*)[4])bS;
-        int edges;
-        if( IS_8x8DCT(mb_type) && (h->cbp&7) == 7 ) {
-            edges = 4;
-            bSv[0][0] = bSv[0][2] = bSv[1][0] = bSv[1][2] = 0x0002000200020002ULL;
-        } else {
-            int mask_edge1 = (mb_type & (MB_TYPE_16x16 | MB_TYPE_8x16)) ? 3 :
-                             (mb_type & MB_TYPE_16x8) ? 1 : 0;
-            int mask_edge0 = (mb_type & (MB_TYPE_16x16 | MB_TYPE_8x16))
-                             && (s->current_picture.mb_type[mb_xy-1] & (MB_TYPE_16x16 | MB_TYPE_8x16))
-                             ? 3 : 0;
-            int step = IS_8x8DCT(mb_type) ? 2 : 1;
-            edges = (mb_type & MB_TYPE_16x16) && !(h->cbp & 15) ? 1 : 4;
-            s->dsp.h264_loop_filter_strength( bS, h->non_zero_count_cache, h->ref_cache, h->mv_cache,
-                                              (h->slice_type == B_TYPE), edges, step, mask_edge0, mask_edge1 );
-        }
-        if( IS_INTRA(s->current_picture.mb_type[mb_xy-1]) )
-            bSv[0][0] = 0x0004000400040004ULL;
-        if( IS_INTRA(s->current_picture.mb_type[h->top_mb_xy]) )
-            bSv[1][0] = 0x0004000400040004ULL;
-
-#define FILTER(hv,dir,edge)\
-        if(bSv[dir][edge]) {\
-            filter_mb_edge##hv( h, &img_y[4*edge*(dir?linesize:1)], linesize, bS[dir][edge], edge ? qp : qp##dir );\
-            if(!(edge&1)) {\
-                filter_mb_edgec##hv( h, &img_cb[2*edge*(dir?uvlinesize:1)], uvlinesize, bS[dir][edge], edge ? qpc : qpc##dir );\
-                filter_mb_edgec##hv( h, &img_cr[2*edge*(dir?uvlinesize:1)], uvlinesize, bS[dir][edge], edge ? qpc : qpc##dir );\
-            }\
-        }
-        if( edges == 1 ) {
-            FILTER(v,0,0);
-            FILTER(h,1,0);
-        } else if( IS_8x8DCT(mb_type) ) {
-            FILTER(v,0,0);
-            FILTER(v,0,2);
-            FILTER(h,1,0);
-            FILTER(h,1,2);
-        } else {
-            FILTER(v,0,0);
-            FILTER(v,0,1);
-            FILTER(v,0,2);
-            FILTER(v,0,3);
-            FILTER(h,1,0);
-            FILTER(h,1,1);
-            FILTER(h,1,2);
-            FILTER(h,1,3);
-        }
-#undef FILTER
-    }
-}
-
-static void filter_mb( H264Context *h, int mb_x, int mb_y, uint8_t *img_y, uint8_t *img_cb, uint8_t *img_cr, unsigned int linesize, unsigned int uvlinesize) {
-    MpegEncContext * const s = &h->s;
-    const int mb_xy= mb_x + mb_y*s->mb_stride;
-    const int mb_type = s->current_picture.mb_type[mb_xy];
-    const int mvy_limit = IS_INTERLACED(mb_type) ? 2 : 4;
-    int first_vertical_edge_done = 0;
-    int dir;
-    /* FIXME: A given frame may occupy more than one position in
-     * the reference list. So ref2frm should be populated with
-     * frame numbers, not indices. */
-    static const int ref2frm[34] = {-1,-1,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
-                                    16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31};
-
-    //for sufficiently low qp, filtering wouldn't do anything
-    //this is a conservative estimate: could also check beta_offset and more accurate chroma_qp
-    if(!FRAME_MBAFF){
-        int qp_thresh = 15 - h->slice_alpha_c0_offset - FFMAX(0, h->pps.chroma_qp_index_offset);
-        int qp = s->current_picture.qscale_table[mb_xy];
-        if(qp <= qp_thresh
-           && (mb_x == 0 || ((qp + s->current_picture.qscale_table[mb_xy-1] + 1)>>1) <= qp_thresh)
-           && (mb_y == 0 || ((qp + s->current_picture.qscale_table[h->top_mb_xy] + 1)>>1) <= qp_thresh)){
-            return;
-        }
-    }
-
-    if (FRAME_MBAFF
-            // left mb is in picture
-            && h->slice_table[mb_xy-1] != 255
-            // and current and left pair do not have the same interlaced type
-            && (IS_INTERLACED(mb_type) != IS_INTERLACED(s->current_picture.mb_type[mb_xy-1]))
-            // and left mb is in the same slice if deblocking_filter == 2
-            && (h->deblocking_filter!=2 || h->slice_table[mb_xy-1] == h->slice_table[mb_xy])) {
-        /* First vertical edge is different in MBAFF frames
-         * There are 8 different bS to compute and 2 different Qp
-         */
-        const int pair_xy = mb_x + (mb_y&~1)*s->mb_stride;
-        const int left_mb_xy[2] = { pair_xy-1, pair_xy-1+s->mb_stride };
-        int16_t bS[8];
-        int qp[2];
-        int chroma_qp[2];
-        int mb_qp, mbn0_qp, mbn1_qp;
-        int i;
-        first_vertical_edge_done = 1;
-
-        if( IS_INTRA(mb_type) )
-            bS[0] = bS[1] = bS[2] = bS[3] = bS[4] = bS[5] = bS[6] = bS[7] = 4;
-        else {
-            for( i = 0; i < 8; i++ ) {
-                int mbn_xy = MB_FIELD ? left_mb_xy[i>>2] : left_mb_xy[i&1];
-
-                if( IS_INTRA( s->current_picture.mb_type[mbn_xy] ) )
-                    bS[i] = 4;
-                else if( h->non_zero_count_cache[12+8*(i>>1)] != 0 ||
-                         /* FIXME: with 8x8dct + cavlc, should check cbp instead of nnz */
-                         h->non_zero_count[mbn_xy][MB_FIELD ? i&3 : (i>>2)+(mb_y&1)*2] )
-                    bS[i] = 2;
-                else
-                    bS[i] = 1;
-            }
-        }
-
-        mb_qp = s->current_picture.qscale_table[mb_xy];
-        mbn0_qp = s->current_picture.qscale_table[left_mb_xy[0]];
-        mbn1_qp = s->current_picture.qscale_table[left_mb_xy[1]];
-        qp[0] = ( mb_qp + mbn0_qp + 1 ) >> 1;
-        chroma_qp[0] = ( get_chroma_qp( h->pps.chroma_qp_index_offset, mb_qp ) +
-                         get_chroma_qp( h->pps.chroma_qp_index_offset, mbn0_qp ) + 1 ) >> 1;
-        qp[1] = ( mb_qp + mbn1_qp + 1 ) >> 1;
-        chroma_qp[1] = ( get_chroma_qp( h->pps.chroma_qp_index_offset, mb_qp ) +
-                         get_chroma_qp( h->pps.chroma_qp_index_offset, mbn1_qp ) + 1 ) >> 1;
-
-        /* Filter edge */
-        tprintf(s->avctx, "filter mb:%d/%d MBAFF, QPy:%d/%d, QPc:%d/%d ls:%d uvls:%d", mb_x, mb_y, qp[0], qp[1], chroma_qp[0], chroma_qp[1], linesize, uvlinesize);
-        { int i; for (i = 0; i < 8; i++) tprintf(s->avctx, " bS[%d]:%d", i, bS[i]); tprintf(s->avctx, "\n"); }
-        filter_mb_mbaff_edgev ( h, &img_y [0], linesize,   bS, qp );
-        filter_mb_mbaff_edgecv( h, &img_cb[0], uvlinesize, bS, chroma_qp );
-        filter_mb_mbaff_edgecv( h, &img_cr[0], uvlinesize, bS, chroma_qp );
-    }
-    /* dir : 0 -> vertical edge, 1 -> horizontal edge */
-    for( dir = 0; dir < 2; dir++ )
-    {
-        int edge;
-        const int mbm_xy = dir == 0 ? mb_xy -1 : h->top_mb_xy;
-        const int mbm_type = s->current_picture.mb_type[mbm_xy];
-        int start = h->slice_table[mbm_xy] == 255 ? 1 : 0;
-
-        const int edges = (mb_type & (MB_TYPE_16x16|MB_TYPE_SKIP))
-                                  == (MB_TYPE_16x16|MB_TYPE_SKIP) ? 1 : 4;
-        // how often to recheck mv-based bS when iterating between edges
-        const int mask_edge = (mb_type & (MB_TYPE_16x16 | (MB_TYPE_16x8 << dir))) ? 3 :
-                              (mb_type & (MB_TYPE_8x16 >> dir)) ? 1 : 0;
-        // how often to recheck mv-based bS when iterating along each edge
-        const int mask_par0 = mb_type & (MB_TYPE_16x16 | (MB_TYPE_8x16 >> dir));
-
-        if (first_vertical_edge_done) {
-            start = 1;
-            first_vertical_edge_done = 0;
-        }
-
-        if (h->deblocking_filter==2 && h->slice_table[mbm_xy] != h->slice_table[mb_xy])
-            start = 1;
-
-        if (FRAME_MBAFF && (dir == 1) && ((mb_y&1) == 0) && start == 0
-            && !IS_INTERLACED(mb_type)
-            && IS_INTERLACED(mbm_type)
-            ) {
-            // This is a special case in the norm where the filtering must
-            // be done twice (one each of the field) even if we are in a
-            // frame macroblock.
-            //
-            static const int nnz_idx[4] = {4,5,6,3};
-            unsigned int tmp_linesize   = 2 *   linesize;
-            unsigned int tmp_uvlinesize = 2 * uvlinesize;
-            int mbn_xy = mb_xy - 2 * s->mb_stride;
-            int qp, chroma_qp;
-            int i, j;
-            int16_t bS[4];
-
-            for(j=0; j<2; j++, mbn_xy += s->mb_stride){
-                if( IS_INTRA(mb_type) ||
-                    IS_INTRA(s->current_picture.mb_type[mbn_xy]) ) {
-                    bS[0] = bS[1] = bS[2] = bS[3] = 3;
-                } else {
-                    const uint8_t *mbn_nnz = h->non_zero_count[mbn_xy];
-                    for( i = 0; i < 4; i++ ) {
-                        if( h->non_zero_count_cache[scan8[0]+i] != 0 ||
-                            mbn_nnz[nnz_idx[i]] != 0 )
-                            bS[i] = 2;
-                        else
-                            bS[i] = 1;
-                    }
-                }
-                // Do not use s->qscale as luma quantizer because it has not the same
-                // value in IPCM macroblocks.
-                qp = ( s->current_picture.qscale_table[mb_xy] + s->current_picture.qscale_table[mbn_xy] + 1 ) >> 1;
-                tprintf(s->avctx, "filter mb:%d/%d dir:%d edge:%d, QPy:%d ls:%d uvls:%d", mb_x, mb_y, dir, edge, qp, tmp_linesize, tmp_uvlinesize);
-                { int i; for (i = 0; i < 4; i++) tprintf(s->avctx, " bS[%d]:%d", i, bS[i]); tprintf(s->avctx, "\n"); }
-                filter_mb_edgeh( h, &img_y[j*linesize], tmp_linesize, bS, qp );
-                chroma_qp = ( h->chroma_qp +
-                              get_chroma_qp( h->pps.chroma_qp_index_offset, s->current_picture.qscale_table[mbn_xy] ) + 1 ) >> 1;
-                filter_mb_edgech( h, &img_cb[j*uvlinesize], tmp_uvlinesize, bS, chroma_qp );
-                filter_mb_edgech( h, &img_cr[j*uvlinesize], tmp_uvlinesize, bS, chroma_qp );
-            }
-
-            start = 1;
-        }
-
-        /* Calculate bS */
-        for( edge = start; edge < edges; edge++ ) {
-            /* mbn_xy: neighbor macroblock */
-            const int mbn_xy = edge > 0 ? mb_xy : mbm_xy;
-            const int mbn_type = s->current_picture.mb_type[mbn_xy];
-            int16_t bS[4];
-            int qp;
-
-            if( (edge&1) && IS_8x8DCT(mb_type) )
-                continue;
-
-            if( IS_INTRA(mb_type) ||
-                IS_INTRA(mbn_type) ) {
-                int value;
-                if (edge == 0) {
-                    if (   (!IS_INTERLACED(mb_type) && !IS_INTERLACED(mbm_type))
-                        || ((FRAME_MBAFF || (s->picture_structure != PICT_FRAME)) && (dir == 0))
-                    ) {
-                        value = 4;
-                    } else {
-                        value = 3;
-                    }
-                } else {
-                    value = 3;
-                }
-                bS[0] = bS[1] = bS[2] = bS[3] = value;
-            } else {
-                int i, l;
-                int mv_done;
-
-                if( edge & mask_edge ) {
-                    bS[0] = bS[1] = bS[2] = bS[3] = 0;
-                    mv_done = 1;
-                }
-                else if( FRAME_MBAFF && IS_INTERLACED(mb_type ^ mbn_type)) {
-                    bS[0] = bS[1] = bS[2] = bS[3] = 1;
-                    mv_done = 1;
-                }
-                else if( mask_par0 && (edge || (mbn_type & (MB_TYPE_16x16 | (MB_TYPE_8x16 >> dir)))) ) {
-                    int b_idx= 8 + 4 + edge * (dir ? 8:1);
-                    int bn_idx= b_idx - (dir ? 8:1);
-                    int v = 0;
-                    for( l = 0; !v && l < 1 + (h->slice_type == B_TYPE); l++ ) {
-                        v |= ref2frm[h->ref_cache[l][b_idx]+2] != ref2frm[h->ref_cache[l][bn_idx]+2] ||
-                             FFABS( h->mv_cache[l][b_idx][0] - h->mv_cache[l][bn_idx][0] ) >= 4 ||
-                             FFABS( h->mv_cache[l][b_idx][1] - h->mv_cache[l][bn_idx][1] ) >= mvy_limit;
-                    }
-                    bS[0] = bS[1] = bS[2] = bS[3] = v;
-                    mv_done = 1;
-                }
-                else
-                    mv_done = 0;
-
-                for( i = 0; i < 4; i++ ) {
-                    int x = dir == 0 ? edge : i;
-                    int y = dir == 0 ? i    : edge;
-                    int b_idx= 8 + 4 + x + 8*y;
-                    int bn_idx= b_idx - (dir ? 8