h263 decoder. More...
#include <limits.h>
#include "libavutil/mathematics.h"
#include "dsputil.h"
#include "avcodec.h"
#include "mpegvideo.h"
#include "h263.h"
#include "mathops.h"
#include "unary.h"
#include "flv.h"
#include "mpeg4video.h"
Go to the source code of this file.
h263 decoder.
Definition in file ituh263dec.c.
#define CBPC_B_VLC_BITS 3 |
Definition at line 52 of file ituh263dec.c.
Referenced by ff_h263_decode_init_vlc(), and ff_h263_decode_mb().
#define H263_MBTYPE_B_VLC_BITS 6 |
Definition at line 51 of file ituh263dec.c.
Referenced by ff_h263_decode_init_vlc(), and ff_h263_decode_mb().
#define MV_VLC_BITS 9 |
Definition at line 50 of file ituh263dec.c.
Referenced by ff_h263_decode_init_vlc(), and ff_h263_decode_motion().
Definition at line 104 of file ituh263dec.c.
Referenced by ff_h263_decode_init(), and rv10_decode_init().
int ff_h263_decode_mb | ( | MpegEncContext * | s, |
DCTELEM | block[6][64] | ||
) |
Definition at line 601 of file ituh263dec.c.
Referenced by ff_h263_decode_init(), and rv10_decode_packet().
int ff_h263_decode_mba | ( | MpegEncContext * | s | ) |
Definition at line 136 of file ituh263dec.c.
Referenced by ff_h263_decode_picture_header(), h263_decode_gob_header(), and rv20_decode_picture_header().
int ff_h263_decode_motion | ( | MpegEncContext * | s, |
int | pred, | ||
int | f_code | ||
) |
Definition at line 272 of file ituh263dec.c.
Referenced by ff_h263_decode_mb(), mpeg4_decode_mb(), mpeg4_decode_partition_a(), and preview_obmc().
int ff_h263_decode_picture_header | ( | MpegEncContext * | s | ) |
Definition at line 867 of file ituh263dec.c.
Referenced by ff_h263_decode_frame().
const uint8_t* ff_h263_find_resync_marker | ( | const uint8_t *restrict | p, |
const uint8_t *restrict | end | ||
) |
Find the next resync_marker.
p | pointer to buffer to scan |
end | pointer to the end of the buffer |
Definition at line 211 of file ituh263dec.c.
int ff_h263_resync | ( | MpegEncContext * | s | ) |
Decode the group of blocks / video packet header.
Definition at line 230 of file ituh263dec.c.
Referenced by ff_h263_decode_frame().
Print picture info if FF_DEBUG_PICT_INFO is set.
Definition at line 72 of file ituh263dec.c.
Referenced by ff_h263_decode_picture_header(), and ff_intel_h263_decode_picture_header().
static int h263_decode_block | ( | MpegEncContext * | s, |
DCTELEM * | block, | ||
int | n, | ||
int | coded | ||
) | [static] |
Definition at line 441 of file ituh263dec.c.
Referenced by ff_h263_decode_mb(), and h263_skip_b_part().
static void h263_decode_dquant | ( | MpegEncContext * | s | ) | [static] |
Definition at line 428 of file ituh263dec.c.
Referenced by ff_h263_decode_mb().
static int h263_decode_gob_header | ( | MpegEncContext * | s | ) | [static] |
Decode the group of blocks header or slice header.
Definition at line 154 of file ituh263dec.c.
Referenced by ff_h263_resync().
static int h263_get_modb | ( | GetBitContext * | gb, |
int | pb_frame, | ||
int * | cbpb | ||
) | [static] |
Definition at line 583 of file ituh263dec.c.
Referenced by ff_h263_decode_mb().
static int h263_skip_b_part | ( | MpegEncContext * | s, |
int | cbp | ||
) | [static] |
Definition at line 564 of file ituh263dec.c.
Referenced by ff_h263_decode_mb().
static int h263p_decode_umotion | ( | MpegEncContext * | s, |
int | pred | ||
) | [static] |
Definition at line 310 of file ituh263dec.c.
Referenced by ff_h263_decode_mb(), and preview_obmc().
static void preview_obmc | ( | MpegEncContext * | s | ) | [static] |
read the next MVs for OBMC.
yes this is a ugly hack, feel free to send a patch :)
Definition at line 336 of file ituh263dec.c.
Referenced by ff_h263_decode_mb().
VLC cbpc_b_vlc [static] |
Definition at line 99 of file ituh263dec.c.
Definition at line 96 of file ituh263dec.c.
Referenced by mpeg4_decode_mb(), mpeg4_decode_partition_b(), and msmpeg4v12_decode_mb().
Definition at line 95 of file ituh263dec.c.
Referenced by mpeg4_decode_mb(), mpeg4_decode_partition_a(), and msmpeg4v12_decode_mb().
Definition at line 94 of file ituh263dec.c.
Referenced by mpeg4_decode_mb(), mpeg4_decode_partition_a(), and msmpeg4v12_decode_mb().
const int h263_mb_type_b_map[15] [static] |
{ MB_TYPE_DIRECT2 | MB_TYPE_L0L1, MB_TYPE_DIRECT2 | MB_TYPE_L0L1 | MB_TYPE_CBP, MB_TYPE_DIRECT2 | MB_TYPE_L0L1 | MB_TYPE_CBP | MB_TYPE_QUANT, MB_TYPE_L0 | MB_TYPE_16x16, MB_TYPE_L0 | MB_TYPE_CBP | MB_TYPE_16x16, MB_TYPE_L0 | MB_TYPE_CBP | MB_TYPE_QUANT | MB_TYPE_16x16, MB_TYPE_L1 | MB_TYPE_16x16, MB_TYPE_L1 | MB_TYPE_CBP | MB_TYPE_16x16, MB_TYPE_L1 | MB_TYPE_CBP | MB_TYPE_QUANT | MB_TYPE_16x16, MB_TYPE_L0L1 | MB_TYPE_16x16, MB_TYPE_L0L1 | MB_TYPE_CBP | MB_TYPE_16x16, MB_TYPE_L0L1 | MB_TYPE_CBP | MB_TYPE_QUANT | MB_TYPE_16x16, 0, MB_TYPE_INTRA4x4 | MB_TYPE_CBP, MB_TYPE_INTRA4x4 | MB_TYPE_CBP | MB_TYPE_QUANT, }
Definition at line 54 of file ituh263dec.c.
Referenced by ff_h263_decode_mb().
VLC h263_mbtype_b_vlc [static] |
Definition at line 98 of file ituh263dec.c.
Definition at line 97 of file ituh263dec.c.