MPEG-1/2 decoder. More...
#include "internal.h"
#include "avcodec.h"
#include "dsputil.h"
#include "mpegvideo.h"
#include "mpeg12.h"
#include "mpeg12data.h"
#include "mpeg12decdata.h"
#include "bytestream.h"
#include "vdpau_internal.h"
#include "xvmc_internal.h"
#include "thread.h"
Go to the source code of this file.
Macros | |
#define | MV_VLC_BITS 9 |
#define | MBINCR_VLC_BITS 9 |
#define | MB_PAT_VLC_BITS 9 |
#define | MB_PTYPE_VLC_BITS 6 |
#define | MB_BTYPE_VLC_BITS 6 |
#define | INIT_2D_VLC_RL(rl, static_size) |
#define | MT_FIELD 1 |
#define | MT_FRAME 2 |
#define | MT_16X8 2 |
#define | MT_DMV 3 |
#define | DECODE_SLICE_ERROR -1 |
#define | DECODE_SLICE_OK 0 |
Variables | |
static VLC | mv_vlc |
uint8_t | ff_mpeg12_static_rl_table_store [2][2][2 *MAX_RUN+MAX_LEVEL+3] |
VLC | ff_dc_lum_vlc |
VLC | ff_dc_chroma_vlc |
static VLC | mbincr_vlc |
static VLC | mb_ptype_vlc |
static VLC | mb_btype_vlc |
static VLC | mb_pat_vlc |
static enum PixelFormat | pixfmt_xvmc_mpg2_420 [] |
static const AVProfile | mpeg2_video_profiles [] |
AVCodec | ff_mpeg1video_decoder |
AVCodec | ff_mpeg2video_decoder |
MPEG-1/2 decoder.
Definition in file mpeg12.c.
#define DECODE_SLICE_ERROR -1 |
Definition at line 1618 of file mpeg12.c.
Referenced by mpeg_decode_slice().
#define DECODE_SLICE_OK 0 |
Definition at line 1619 of file mpeg12.c.
Referenced by mpeg_decode_slice().
#define INIT_2D_VLC_RL | ( | rl, | |
static_size | |||
) |
Definition at line 595 of file mpeg12.c.
Referenced by ff_mpeg12_init_vlcs().
#define MB_BTYPE_VLC_BITS 6 |
Definition at line 50 of file mpeg12.c.
Referenced by ff_mpeg12_init_vlcs(), and mpeg_decode_mb().
#define MB_PAT_VLC_BITS 9 |
Definition at line 48 of file mpeg12.c.
Referenced by ff_mpeg12_init_vlcs(), and mpeg_decode_mb().
#define MB_PTYPE_VLC_BITS 6 |
Definition at line 49 of file mpeg12.c.
Referenced by ff_mpeg12_init_vlcs(), and mpeg_decode_mb().
#define MBINCR_VLC_BITS 9 |
Definition at line 47 of file mpeg12.c.
Referenced by ff_mpeg12_init_vlcs(), and mpeg_decode_slice().
#define MT_DMV 3 |
Definition at line 735 of file mpeg12.c.
Referenced by mpeg_decode_mb().
#define MT_FIELD 1 |
Definition at line 732 of file mpeg12.c.
Referenced by mpeg_decode_mb().
#define MT_FRAME 2 |
Definition at line 733 of file mpeg12.c.
Referenced by mpeg_decode_mb().
#define MV_VLC_BITS 9 |
Definition at line 46 of file mpeg12.c.
Referenced by ff_mpeg12_init_vlcs(), and mpeg_decode_motion().
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Definition at line 2235 of file mpeg12.c.
Referenced by mpeg_decode_frame().
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Definition at line 722 of file mpeg12.c.
Referenced by mpeg_decode_mb(), and vcr2_init_sequence().
void ff_mpeg12_common_init | ( | MpegEncContext * | s | ) |
Definition at line 639 of file mpeg12.c.
Referenced by ff_mpeg1_encode_init(), and mpeg_decode_init().
Definition at line 667 of file mpeg12.c.
Referenced by decode_init(), mpeg_decode_init(), and tqi_decode_init().
void ff_mpeg1_clean_buffers | ( | MpegEncContext * | s | ) |
Definition at line 647 of file mpeg12.c.
Referenced by encode_thread(), and mpeg_decode_slice().
int ff_mpeg1_decode_block_intra | ( | MpegEncContext * | s, |
DCTELEM * | block, | ||
int | n | ||
) |
Definition at line 154 of file mpeg12.c.
Referenced by tqi_decode_mb().
int ff_mpeg1_find_frame_end | ( | ParseContext * | pc, |
const uint8_t * | buf, | ||
int | buf_size, | ||
AVCodecParserContext * | s | ||
) |
Find the end of the current frame in the bitstream.
Definition at line 2128 of file mpeg12.c.
Referenced by mpeg_decode_frame(), and mpegvideo_parse().
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inlinestatic |
Definition at line 704 of file mpeg12.c.
Referenced by mpeg_decode_mb().
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Definition at line 712 of file mpeg12.c.
Referenced by mpeg_decode_mb(), and mpeg_decode_slice().
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Definition at line 1450 of file mpeg12.c.
Referenced by mpeg1_decode_sequence(), and mpeg_decode_quant_matrix_extension().
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Definition at line 159 of file mpeg12.c.
Referenced by mpeg_decode_mb().
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Definition at line 83 of file mpeg12.c.
Referenced by ff_mpeg1_decode_block_intra(), and mpeg_decode_mb().
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Definition at line 1314 of file mpeg12.c.
Referenced by decode_chunks().
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Definition at line 1937 of file mpeg12.c.
Referenced by decode_chunks().
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Definition at line 234 of file mpeg12.c.
Referenced by mpeg_decode_mb().
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Definition at line 447 of file mpeg12.c.
Referenced by mpeg_decode_mb().
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Definition at line 306 of file mpeg12.c.
Referenced by mpeg_decode_mb().
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Definition at line 525 of file mpeg12.c.
Referenced by mpeg_decode_mb().
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Definition at line 385 of file mpeg12.c.
Referenced by mpeg_decode_mb().
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Definition at line 2093 of file mpeg12.c.
Referenced by decode_chunks().
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Definition at line 737 of file mpeg12.c.
Referenced by mpeg_decode_slice().
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Definition at line 55 of file mpeg12.c.
Referenced by mpeg_decode_mb().
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Definition at line 1482 of file mpeg12.c.
Referenced by decode_chunks().
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Definition at line 1417 of file mpeg12.c.
Referenced by decode_chunks().
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Definition at line 1203 of file mpeg12.c.
Referenced by decode_chunks().
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Definition at line 1472 of file mpeg12.c.
Referenced by decode_chunks().
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Definition at line 1393 of file mpeg12.c.
Referenced by decode_chunks().
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Definition at line 1356 of file mpeg12.c.
Referenced by decode_chunks().
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Decode a slice.
MpegEncContext.mb_y must be set to the MB row from the startcode.
Definition at line 1627 of file mpeg12.c.
Referenced by decode_chunks(), and slice_decode_thread().
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Definition at line 2071 of file mpeg12.c.
Referenced by decode_chunks().
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Definition at line 1559 of file mpeg12.c.
Referenced by decode_chunks().
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Definition at line 1179 of file mpeg12.c.
Referenced by vcr2_init_sequence().
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Definition at line 1848 of file mpeg12.c.
Referenced by decode_chunks().
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Handle slice ends.
Definition at line 1891 of file mpeg12.c.
Referenced by decode_chunks(), and decode_frame().
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Definition at line 2016 of file mpeg12.c.
Referenced by mpeg_decode_frame().
Definition at line 593 of file mpeg12.c.
Referenced by ff_mpeg12_init_vlcs(), and ff_mpeg1_encode_init().
AVCodec ff_mpeg1video_decoder |
AVCodec ff_mpeg2video_decoder |
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Definition at line 1174 of file mpeg12.c.
Referenced by mpeg_get_pixelformat().