libavcodec/dnxhdenc.c File Reference

#include "libavutil/opt.h"
#include "avcodec.h"
#include "dsputil.h"
#include "internal.h"
#include "mpegvideo.h"
#include "dnxhdenc.h"

Go to the source code of this file.

Defines

#define RC_VARIANCE   1
#define VE   AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
#define DNX10BIT_QMAT_SHIFT   18
#define LAMBDA_FRAC_BITS   10
#define BUCKET_BITS   8
#define RADIX_PASSES   4
#define NBUCKETS   (1 << BUCKET_BITS)

Functions

static void dnxhd_8bit_get_pixels_8x4_sym (DCTELEM *av_restrict block, const uint8_t *pixels, int line_size)
static av_always_inline void dnxhd_10bit_get_pixels_8x4_sym (DCTELEM *av_restrict block, const uint8_t *pixels, int line_size)
static int dnxhd_10bit_dct_quantize (MpegEncContext *ctx, DCTELEM *block, int n, int qscale, int *overflow)
static int dnxhd_init_vlc (DNXHDEncContext *ctx)
static int dnxhd_init_qmat (DNXHDEncContext *ctx, int lbias, int cbias)
static int dnxhd_init_rc (DNXHDEncContext *ctx)
static int dnxhd_encode_init (AVCodecContext *avctx)
static int dnxhd_write_header (AVCodecContext *avctx, uint8_t *buf)
static av_always_inline void dnxhd_encode_dc (DNXHDEncContext *ctx, int diff)
static av_always_inline void dnxhd_encode_block (DNXHDEncContext *ctx, DCTELEM *block, int last_index, int n)
static av_always_inline void dnxhd_unquantize_c (DNXHDEncContext *ctx, DCTELEM *block, int n, int qscale, int last_index)
static av_always_inline int dnxhd_ssd_block (DCTELEM *qblock, DCTELEM *block)
static av_always_inline int dnxhd_calc_ac_bits (DNXHDEncContext *ctx, DCTELEM *block, int last_index)
static av_always_inline void dnxhd_get_blocks (DNXHDEncContext *ctx, int mb_x, int mb_y)
static av_always_inline int dnxhd_switch_matrix (DNXHDEncContext *ctx, int i)
static int dnxhd_calc_bits_thread (AVCodecContext *avctx, void *arg, int jobnr, int threadnr)
static int dnxhd_encode_thread (AVCodecContext *avctx, void *arg, int jobnr, int threadnr)
static void dnxhd_setup_threads_slices (DNXHDEncContext *ctx)
static int dnxhd_mb_var_thread (AVCodecContext *avctx, void *arg, int jobnr, int threadnr)
static int dnxhd_encode_rdo (AVCodecContext *avctx, DNXHDEncContext *ctx)
static int dnxhd_find_qscale (DNXHDEncContext *ctx)
static int get_bucket (int value, int shift)
static void radix_count (const RCCMPEntry *data, int size, int buckets[RADIX_PASSES][NBUCKETS])
static void radix_sort_pass (RCCMPEntry *dst, const RCCMPEntry *data, int size, int buckets[NBUCKETS], int pass)
static void radix_sort (RCCMPEntry *data, int size)
static int dnxhd_encode_fast (AVCodecContext *avctx, DNXHDEncContext *ctx)
static void dnxhd_load_picture (DNXHDEncContext *ctx, const AVFrame *frame)
static int dnxhd_encode_picture (AVCodecContext *avctx, AVPacket *pkt, const AVFrame *frame, int *got_packet)
static int dnxhd_encode_end (AVCodecContext *avctx)

Variables

static const AVOption options []
class {
      class_name = "dnxhd"
      item_name = av_default_item_name
      option = options
      version = LIBAVUTIL_VERSION_INT
}; 
static const AVCodecDefault dnxhd_defaults []
AVCodec ff_dnxhd_encoder

Define Documentation

#define BUCKET_BITS   8

Definition at line 805 of file dnxhdenc.c.

Referenced by radix_count(), and radix_sort_pass().

#define DNX10BIT_QMAT_SHIFT   18

Definition at line 38 of file dnxhdenc.c.

Referenced by dnxhd_10bit_dct_quantize(), and dnxhd_init_qmat().

#define LAMBDA_FRAC_BITS   10

Definition at line 52 of file dnxhdenc.c.

Referenced by dnxhd_encode_rdo(), and dnxhd_init_rc().

#define NBUCKETS   (1 << BUCKET_BITS)

Definition at line 807 of file dnxhdenc.c.

Referenced by get_bucket(), and radix_sort().

#define RADIX_PASSES   4

Definition at line 806 of file dnxhdenc.c.

Referenced by radix_count(), and radix_sort().

#define RC_VARIANCE   1

Definition at line 27 of file dnxhdenc.c.

Referenced by dnxhd_calc_bits_thread(), and dnxhd_encode_fast().

#define VE   AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM

Definition at line 37 of file dnxhdenc.c.

Function Documentation

static int dnxhd_10bit_dct_quantize ( MpegEncContext *  ctx,
DCTELEM *  block,
int  n,
int  qscale,
int *  overflow 
) [static]

Definition at line 91 of file dnxhdenc.c.

Referenced by dnxhd_encode_init().

static av_always_inline void dnxhd_10bit_get_pixels_8x4_sym ( DCTELEM *av_restrict  block,
const uint8_t *  pixels,
int  line_size 
) [static]

Definition at line 71 of file dnxhdenc.c.

Referenced by dnxhd_encode_init().

static void dnxhd_8bit_get_pixels_8x4_sym ( DCTELEM *av_restrict  block,
const uint8_t *  pixels,
int  line_size 
) [static]

Definition at line 54 of file dnxhdenc.c.

Referenced by dnxhd_encode_init().

static av_always_inline int dnxhd_calc_ac_bits ( DNXHDEncContext *  ctx,
DCTELEM *  block,
int  last_index 
) [static]

Definition at line 467 of file dnxhdenc.c.

Referenced by dnxhd_calc_bits_thread().

static int dnxhd_calc_bits_thread ( AVCodecContext *  avctx,
void *  arg,
int  jobnr,
int  threadnr 
) [static]

Definition at line 524 of file dnxhdenc.c.

Referenced by dnxhd_encode_rdo(), and dnxhd_find_qscale().

static av_always_inline void dnxhd_encode_block ( DNXHDEncContext *  ctx,
DCTELEM *  block,
int  last_index,
int  n 
) [static]

Definition at line 394 of file dnxhdenc.c.

Referenced by dnxhd_encode_thread().

static av_always_inline void dnxhd_encode_dc ( DNXHDEncContext *  ctx,
int  diff 
) [static]

Definition at line 381 of file dnxhdenc.c.

Referenced by dnxhd_encode_block().

static int dnxhd_encode_end ( AVCodecContext *  avctx  )  [static]

Definition at line 981 of file dnxhdenc.c.

static int dnxhd_encode_fast ( AVCodecContext *  avctx,
DNXHDEncContext *  ctx 
) [static]

Definition at line 861 of file dnxhdenc.c.

Referenced by dnxhd_encode_picture().

static int dnxhd_encode_init ( AVCodecContext *  avctx  )  [static]

Definition at line 250 of file dnxhdenc.c.

static int dnxhd_encode_picture ( AVCodecContext *  avctx,
AVPacket *  pkt,
const AVFrame *  frame,
int *  got_packet 
) [static]

Definition at line 918 of file dnxhdenc.c.

static int dnxhd_encode_rdo ( AVCodecContext *  avctx,
DNXHDEncContext *  ctx 
) [static]

Definition at line 671 of file dnxhdenc.c.

Referenced by dnxhd_encode_picture().

static int dnxhd_encode_thread ( AVCodecContext *  avctx,
void *  arg,
int  jobnr,
int  threadnr 
) [static]

Definition at line 575 of file dnxhdenc.c.

Referenced by dnxhd_encode_picture().

static int dnxhd_find_qscale ( DNXHDEncContext *  ctx  )  [static]

Definition at line 747 of file dnxhdenc.c.

Referenced by dnxhd_encode_fast().

static av_always_inline void dnxhd_get_blocks ( DNXHDEncContext *  ctx,
int  mb_x,
int  mb_y 
) [static]

Definition at line 484 of file dnxhdenc.c.

Referenced by dnxhd_calc_bits_thread(), and dnxhd_encode_thread().

static int dnxhd_init_qmat ( DNXHDEncContext *  ctx,
int  lbias,
int  cbias 
) [static]

Definition at line 172 of file dnxhdenc.c.

Referenced by dnxhd_encode_init().

static int dnxhd_init_rc ( DNXHDEncContext *  ctx  )  [static]

Definition at line 236 of file dnxhdenc.c.

Referenced by dnxhd_encode_init().

static int dnxhd_init_vlc ( DNXHDEncContext *  ctx  )  [static]

Definition at line 117 of file dnxhdenc.c.

static void dnxhd_load_picture ( DNXHDEncContext *  ctx,
const AVFrame *  frame 
) [static]

Definition at line 898 of file dnxhdenc.c.

Referenced by dnxhd_encode_picture().

static int dnxhd_mb_var_thread ( AVCodecContext *  avctx,
void *  arg,
int  jobnr,
int  threadnr 
) [static]

Definition at line 628 of file dnxhdenc.c.

Referenced by dnxhd_encode_fast().

static void dnxhd_setup_threads_slices ( DNXHDEncContext *  ctx  )  [static]

Definition at line 609 of file dnxhdenc.c.

Referenced by dnxhd_encode_picture().

static av_always_inline int dnxhd_ssd_block ( DCTELEM *  qblock,
DCTELEM *  block 
) [static]

Definition at line 458 of file dnxhdenc.c.

Referenced by dnxhd_calc_bits_thread().

static av_always_inline int dnxhd_switch_matrix ( DNXHDEncContext *  ctx,
int  i 
) [static]

Definition at line 518 of file dnxhdenc.c.

Referenced by dnxhd_calc_bits_thread(), and dnxhd_encode_thread().

static av_always_inline void dnxhd_unquantize_c ( DNXHDEncContext *  ctx,
DCTELEM *  block,
int  n,
int  qscale,
int  last_index 
) [static]

Definition at line 417 of file dnxhdenc.c.

Referenced by dnxhd_calc_bits_thread().

static int dnxhd_write_header ( AVCodecContext *  avctx,
uint8_t *  buf 
) [static]

Definition at line 350 of file dnxhdenc.c.

Referenced by dnxhd_encode_picture().

static int get_bucket ( int  value,
int  shift 
) [inline, static]

Definition at line 809 of file dnxhdenc.c.

Referenced by radix_count(), and radix_sort_pass().

static void radix_count ( const RCCMPEntry *  data,
int  size,
int  buckets[RADIX_PASSES][NBUCKETS] 
) [static]

Definition at line 816 of file dnxhdenc.c.

Referenced by radix_sort().

static void radix_sort ( RCCMPEntry *  data,
int  size 
) [static]

Definition at line 847 of file dnxhdenc.c.

Referenced by dnxhd_encode_fast().

static void radix_sort_pass ( RCCMPEntry *  dst,
const RCCMPEntry *  data,
int  size,
int  buckets[NBUCKETS],
int  pass 
) [static]

Definition at line 836 of file dnxhdenc.c.

Referenced by radix_sort().

Variable Documentation

const { ... } [static]

class_name = "dnxhd"

Definition at line 46 of file dnxhdenc.c.

Referenced by av_opt_show2().

const AVCodecDefault dnxhd_defaults[] [static]

Initial value:

 {
    { "qmax", "1024" }, 
    { NULL },
}

Definition at line 1010 of file dnxhdenc.c.

AVCodec ff_dnxhd_encoder

Initial value:

 {
    .name           = "dnxhd",
    .type           = AVMEDIA_TYPE_VIDEO,
    .id             = AV_CODEC_ID_DNXHD,
    .priv_data_size = sizeof(DNXHDEncContext),
    .init           = dnxhd_encode_init,
    .encode2        = dnxhd_encode_picture,
    .close          = dnxhd_encode_end,
    .capabilities   = CODEC_CAP_SLICE_THREADS,
    .pix_fmts       = (const enum PixelFormat[]){ PIX_FMT_YUV422P,
                                                  PIX_FMT_YUV422P10,
                                                  PIX_FMT_NONE },
    .long_name      = NULL_IF_CONFIG_SMALL("VC3/DNxHD"),
    .priv_class     = &class,
    .defaults       = dnxhd_defaults,
}

Definition at line 1015 of file dnxhdenc.c.

item_name = av_default_item_name

Definition at line 47 of file dnxhdenc.c.

option = options

Definition at line 48 of file dnxhdenc.c.

Referenced by pp_get_mode_by_name_and_quality().

const AVOption options[] [static]

Initial value:

{
    {"nitris_compat", "encode with Avid Nitris compatibility", 0x42, AV_OPT_TYPE_INT, {.i64 = 0}, 0, 1, VE},
{NULL}
}

Definition at line 40 of file dnxhdenc.c.

version = LIBAVUTIL_VERSION_INT

Definition at line 49 of file dnxhdenc.c.

Referenced by adpcm_compress_trellis(), aiff_read_header(), celt_header(), decode_frame(), decode_frame_header(), decode_init(), dvbsub_parse_clut_segment(), dvbsub_parse_page_segment(), dvbsub_parse_region_segment(), ff_mov_read_stsd_entries(), get_packet_header(), init(), libcelt_dec_init(), mov_read_chpl(), mov_read_elst(), mov_read_mdhd(), mov_read_mvhd(), mov_read_sbgp(), mov_read_tkhd(), mov_write_audio_tag(), mov_write_edts_tag(), mov_write_mdhd_tag(), mov_write_mvhd_tag(), mov_write_tkhd_tag(), mxf_write_identification(), read_header(), read_tfra(), rm_read_audio_stream_info(), smjpeg_read_header(), spdif_header_mpeg(), swf_write_header(), txd_decode_frame(), vble_decode_frame(), voc_probe(), voc_write_header(), and xwd_decode_frame().

Generated on Fri Oct 26 02:50:04 2012 for FFmpeg by  doxygen 1.5.8