#include "internal.h"
#include "dsputil.h"
#include "avcodec.h"
#include "mpegvideo.h"
#include "h263.h"
#include "vc1.h"
#include "vc1data.h"
#include "vc1acdata.h"
#include "msmpeg4data.h"
#include "unary.h"
#include "simple_idct.h"
#include "mathops.h"
#include "vdpau_internal.h"
#include <assert.h>
Go to the source code of this file.
Defines | |
| #define | MB_INTRA_VLC_BITS 9 |
| #define | DC_VLC_BITS 9 |
| #define | AC_VLC_BITS 9 |
| #define | GET_MQUANT() |
| Get macroblock-level quantizer scale. | |
| #define | GET_MVDATA(_dmv_x, _dmv_y) |
| Get MV differentials. | |
Enumerations | |
| enum | Imode { IMODE_RAW, IMODE_NORM2, IMODE_DIFF2, IMODE_NORM6, IMODE_DIFF6, IMODE_ROWSKIP, IMODE_COLSKIP, IMODE_RAW, IMODE_NORM2, IMODE_DIFF2, IMODE_NORM6, IMODE_DIFF6, IMODE_ROWSKIP, IMODE_COLSKIP } |
| Imode types. More... | |
Functions | |
| static int | vc1_init_common (VC1Context *v) |
| Init VC-1 specific tables and VC1Context members. | |
| static void | vc1_loop_filter_iblk (MpegEncContext *s, int pq) |
| static void | vc1_put_block (VC1Context *v, DCTELEM block[6][64]) |
| Put block onto picture. | |
| static void | vc1_mc_1mv (VC1Context *v, int dir) |
| Do motion compensation over 1 macroblock Mostly adapted hpel_motion and qpel_motion from mpegvideo.c. | |
| static void | vc1_mc_4mv_luma (VC1Context *v, int n) |
| Do motion compensation for 4-MV macroblock - luminance block. | |
| static int | median4 (int a, int b, int c, int d) |
| static void | vc1_mc_4mv_chroma (VC1Context *v) |
| Do motion compensation for 4-MV macroblock - both chroma blocks. | |
| static void | vc1_pred_mv (MpegEncContext *s, int n, int dmv_x, int dmv_y, int mv1, int r_x, int r_y, uint8_t *is_intra) |
| Predict and set motion vector. | |
| static void | vc1_interp_mc (VC1Context *v) |
| Motion compensation for direct or interpolated blocks in B-frames. | |
| static av_always_inline int | scale_mv (int value, int bfrac, int inv, int qs) |
| static void | vc1_b_mc (VC1Context *v, int dmv_x[2], int dmv_y[2], int direct, int mode) |
| Reconstruct motion vector for B-frame and do motion compensation. | |
| static void | vc1_pred_b_mv (VC1Context *v, int dmv_x[2], int dmv_y[2], int direct, int mvtype) |
| static int | vc1_i_pred_dc (MpegEncContext *s, int overlap, int pq, int n, int16_t **dc_val_ptr, int *dir_ptr) |
| Get predicted DC value for I-frames only prediction dir: left=0, top=1. | |
| static int | vc1_pred_dc (MpegEncContext *s, int overlap, int pq, int n, int a_avail, int c_avail, int16_t **dc_val_ptr, int *dir_ptr) |
| Get predicted DC value prediction dir: left=0, top=1. | |
| static int | vc1_coded_block_pred (MpegEncContext *s, int n, uint8_t **coded_block_ptr) |
| static void | vc1_decode_ac_coeff (VC1Context *v, int *last, int *skip, int *value, int codingset) |
| Decode one AC coefficient. | |
| static int | vc1_decode_i_block (VC1Context *v, DCTELEM block[64], int n, int coded, int codingset) |
| Decode intra block in intra frames - should be faster than decode_intra_block. | |
| static int | vc1_decode_i_block_adv (VC1Context *v, DCTELEM block[64], int n, int coded, int codingset, int mquant) |
| Decode intra block in intra frames - should be faster than decode_intra_block. | |
| static int | vc1_decode_intra_block (VC1Context *v, DCTELEM block[64], int n, int coded, int mquant, int codingset) |
| Decode intra block in inter frames - more generic version than vc1_decode_i_block. | |
| static int | vc1_decode_p_block (VC1Context *v, DCTELEM block[64], int n, int mquant, int ttmb, int first_block, uint8_t *dst, int linesize, int skip_block, int apply_filter, int cbp_top, int cbp_left) |
| Decode P block. | |
| static int | vc1_decode_p_mb (VC1Context *v) |
| Decode one P-frame MB (in Simple/Main profile). | |
| static void | vc1_decode_b_mb (VC1Context *v) |
| Decode one B-frame MB (in Main profile). | |
| static void | vc1_decode_i_blocks (VC1Context *v) |
| Decode blocks of I-frame. | |
| static void | vc1_decode_i_blocks_adv (VC1Context *v) |
| Decode blocks of I-frame for advanced profile. | |
| static void | vc1_decode_p_blocks (VC1Context *v) |
| static void | vc1_decode_b_blocks (VC1Context *v) |
| static void | vc1_decode_skip_blocks (VC1Context *v) |
| static void | vc1_decode_blocks (VC1Context *v) |
| static av_cold int | vc1_decode_init (AVCodecContext *avctx) |
| Initialize a VC1/WMV3 decoder. | |
| static int | vc1_decode_frame (AVCodecContext *avctx, void *data, int *data_size, AVPacket *avpkt) |
| Decode a VC1/WMV3 frame. | |
| static av_cold int | vc1_decode_end (AVCodecContext *avctx) |
| Close a VC1/WMV3 decoder. | |
Variables | |
| static const uint16_t | table_mb_intra [64][2] |
| static const uint16_t | vlc_offs [] |
| static const int | size_table [6] = { 0, 2, 3, 4, 5, 8 } |
| static const int | offset_table [6] = { 0, 1, 3, 7, 15, 31 } |
| AVCodec | vc1_decoder |
Definition in file vc1dec.c.
| static int median4 | ( | int | a, | |
| int | b, | |||
| int | c, | |||
| int | d | |||
| ) | [inline, static] |
| static void vc1_decode_b_blocks | ( | VC1Context * | v | ) | [static] |
| static void vc1_decode_b_mb | ( | VC1Context * | v | ) | [static] |
Decode one B-frame MB (in Main profile).
Definition at line 2431 of file vc1dec.c.
Referenced by vc1_decode_b_blocks().
| static void vc1_decode_blocks | ( | VC1Context * | v | ) | [static] |
| static av_cold int vc1_decode_end | ( | AVCodecContext * | avctx | ) | [static] |
| static int vc1_decode_frame | ( | AVCodecContext * | avctx, | |
| void * | data, | |||
| int * | data_size, | |||
| AVPacket * | avpkt | |||
| ) | [static] |
| static void vc1_decode_i_blocks | ( | VC1Context * | v | ) | [static] |
Decode blocks of I-frame.
Definition at line 2575 of file vc1dec.c.
Referenced by vc1_decode_blocks().
| static void vc1_decode_i_blocks_adv | ( | VC1Context * | v | ) | [static] |
Decode blocks of I-frame for advanced profile.
Definition at line 2689 of file vc1dec.c.
Referenced by vc1_decode_blocks().
| static av_cold int vc1_decode_init | ( | AVCodecContext * | avctx | ) | [static] |
| static void vc1_decode_p_blocks | ( | VC1Context * | v | ) | [static] |
| static int vc1_decode_p_mb | ( | VC1Context * | v | ) | [static] |
Decode one P-frame MB (in Simple/Main profile).
Definition at line 2139 of file vc1dec.c.
Referenced by vc1_decode_p_blocks().
| static void vc1_decode_skip_blocks | ( | VC1Context * | v | ) | [static] |
| static int vc1_init_common | ( | VC1Context * | v | ) | [static] |
Init VC-1 specific tables and VC1Context members.
| v | The VC1Context to initialize |
Definition at line 62 of file vc1dec.c.
Referenced by vc1_decode_init().
| static void vc1_loop_filter_iblk | ( | MpegEncContext * | s, | |
| int | pq | |||
| ) | [static] |
Definition at line 163 of file vc1dec.c.
Referenced by vc1_decode_b_blocks(), vc1_decode_i_blocks(), and vc1_decode_i_blocks_adv().
| static void vc1_mc_1mv | ( | VC1Context * | v, | |
| int | dir | |||
| ) | [static] |
Do motion compensation over 1 macroblock Mostly adapted hpel_motion and qpel_motion from mpegvideo.c.
Definition at line 215 of file vc1dec.c.
Referenced by vc1_b_mc(), and vc1_decode_p_mb().
| static void vc1_mc_4mv_chroma | ( | VC1Context * | v | ) | [static] |
Do motion compensation for 4-MV macroblock - both chroma blocks.
Definition at line 450 of file vc1dec.c.
Referenced by vc1_decode_p_mb().
| static void vc1_mc_4mv_luma | ( | VC1Context * | v, | |
| int | n | |||
| ) | [static] |
Do motion compensation for 4-MV macroblock - luminance block.
Definition at line 364 of file vc1dec.c.
Referenced by vc1_decode_p_mb().
| static void vc1_put_block | ( | VC1Context * | v, | |
| DCTELEM | block[6][64] | |||
| ) | [static] |
Put block onto picture.
Definition at line 181 of file vc1dec.c.
Referenced by vc1_decode_i_blocks(), and vc1_decode_i_blocks_adv().
const int offset_table[6] = { 0, 1, 3, 7, 15, 31 } [static] |
const int size_table[6] = { 0, 2, 3, 4, 5, 8 } [static] |
const uint16_t table_mb_intra[64][2] [static] |
Initial value:
{
"vc1",
AVMEDIA_TYPE_VIDEO,
CODEC_ID_VC1,
sizeof(VC1Context),
vc1_decode_init,
NULL,
vc1_decode_end,
vc1_decode_frame,
CODEC_CAP_DR1 | CODEC_CAP_DELAY,
NULL,
.flush = ff_mpeg_flush,
.long_name = NULL_IF_CONFIG_SMALL("SMPTE VC-1"),
.pix_fmts = ff_hwaccel_pixfmt_list_420
}
const uint16_t vlc_offs[] [static] |
Initial value:
{
0, 520, 552, 616, 1128, 1160, 1224, 1740, 1772, 1836, 1900, 2436,
2986, 3050, 3610, 4154, 4218, 4746, 5326, 5390, 5902, 6554, 7658, 8620,
9262, 10202, 10756, 11310, 12228, 15078
}
Definition at line 51 of file vc1dec.c.
Referenced by vc1_init_common().
1.5.8