FFmpeg
2.8.17
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MPEG-1/2 decoder. More...
#include <inttypes.h>
#include "libavutil/attributes.h"
#include "libavutil/imgutils.h"
#include "libavutil/internal.h"
#include "libavutil/stereo3d.h"
#include "avcodec.h"
#include "bytestream.h"
#include "error_resilience.h"
#include "idctdsp.h"
#include "internal.h"
#include "mpeg_er.h"
#include "mpeg12.h"
#include "mpeg12data.h"
#include "mpegutils.h"
#include "mpegvideo.h"
#include "mpegvideodata.h"
#include "thread.h"
#include "version.h"
#include "vdpau_compat.h"
#include "xvmc_internal.h"
Go to the source code of this file.
Data Structures | |
struct | Mpeg1Context |
Macros | |
#define | UNCHECKED_BITSTREAM_READER 1 |
#define | MB_TYPE_ZERO_MV 0x20000000 |
#define | check_scantable_index(ctx, x) |
#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 const uint32_t | ptype2mb_type [7] |
static const uint32_t | btype2mb_type [11] |
static const uint8_t | non_linear_qscale [32] |
static enum AVPixelFormat | mpeg1_hwaccel_pixfmt_list_420 [] |
static enum AVPixelFormat | mpeg2_hwaccel_pixfmt_list_420 [] |
static enum AVPixelFormat | mpeg12_pixfmt_list_422 [] |
static enum AVPixelFormat | mpeg12_pixfmt_list_444 [] |
static const AVProfile | mpeg2_video_profiles [] |
AVCodec | ff_mpeg1video_decoder |
AVCodec | ff_mpeg2video_decoder |
AVCodec | ff_mpegvideo_decoder |
MPEG-1/2 decoder.
Definition in file mpeg12dec.c.
#define UNCHECKED_BITSTREAM_READER 1 |
Definition at line 28 of file mpeg12dec.c.
#define MB_TYPE_ZERO_MV 0x20000000 |
Definition at line 73 of file mpeg12dec.c.
Referenced by mpeg_decode_mb().
#define check_scantable_index | ( | ctx, | |
x | |||
) |
Definition at line 133 of file mpeg12dec.c.
Referenced by mpeg1_decode_block_inter(), mpeg1_decode_block_intra(), mpeg1_fast_decode_block_inter(), mpeg2_decode_block_intra(), and mpeg2_decode_block_non_intra().
#define MT_FIELD 1 |
Definition at line 726 of file mpeg12dec.c.
Referenced by mpeg_decode_mb().
#define MT_FRAME 2 |
Definition at line 727 of file mpeg12dec.c.
Referenced by mpeg_decode_mb().
#define MT_16X8 2 |
Definition at line 728 of file mpeg12dec.c.
#define MT_DMV 3 |
Definition at line 729 of file mpeg12dec.c.
Referenced by mpeg_decode_mb().
#define DECODE_SLICE_ERROR -1 |
Definition at line 1766 of file mpeg12dec.c.
Referenced by mpeg_decode_slice().
#define DECODE_SLICE_OK 0 |
Definition at line 1767 of file mpeg12dec.c.
Referenced by mpeg_decode_slice().
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Definition at line 107 of file mpeg12dec.c.
Referenced by mpeg_decode_mb().
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inlinestatic |
Definition at line 142 of file mpeg12dec.c.
Referenced by ff_mpeg1_decode_block_intra(), and mpeg_decode_mb().
int ff_mpeg1_decode_block_intra | ( | MpegEncContext * | s, |
int16_t * | block, | ||
int | n | ||
) |
Definition at line 225 of file mpeg12dec.c.
Referenced by tqi_decode_mb().
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inlinestatic |
Definition at line 230 of file mpeg12dec.c.
Referenced by mpeg_decode_mb().
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inlinestatic |
Changing this would eat up any speed benefits it has.
Do not use "fast" flag if you need the code to be robust.
Definition at line 314 of file mpeg12dec.c.
Referenced by mpeg_decode_mb().
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inlinestatic |
Definition at line 394 of file mpeg12dec.c.
Referenced by mpeg_decode_mb().
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inlinestatic |
Changing this would eat up any speed benefits it has.
Do not use "fast" flag if you need the code to be robust.
Definition at line 480 of file mpeg12dec.c.
Referenced by mpeg_decode_mb().
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inlinestatic |
Definition at line 545 of file mpeg12dec.c.
Referenced by mpeg_decode_mb().
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inlinestatic |
Changing this would eat up any speed benefits it has.
Do not use "fast" flag if you need the code to be robust.
Definition at line 630 of file mpeg12dec.c.
Referenced by mpeg_decode_mb().
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inlinestatic |
Definition at line 707 of file mpeg12dec.c.
Referenced by mpeg_decode_mb().
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inlinestatic |
Definition at line 715 of file mpeg12dec.c.
Referenced by mpeg_decode_mb(), and mpeg_decode_slice().
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Definition at line 731 of file mpeg12dec.c.
Referenced by mpeg_decode_slice().
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Definition at line 1117 of file mpeg12dec.c.
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Definition at line 1145 of file mpeg12dec.c.
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Definition at line 1170 of file mpeg12dec.c.
Referenced by mpeg_decode_postinit().
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Definition at line 1238 of file mpeg12dec.c.
Referenced by mpeg_decode_postinit(), and vcr2_init_sequence().
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Definition at line 1259 of file mpeg12dec.c.
Referenced by mpeg_decode_postinit(), and vcr2_init_sequence().
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Definition at line 1285 of file mpeg12dec.c.
Referenced by decode_chunks().
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Definition at line 1422 of file mpeg12dec.c.
Referenced by decode_chunks().
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Definition at line 1469 of file mpeg12dec.c.
Referenced by decode_chunks().
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Definition at line 1512 of file mpeg12dec.c.
Referenced by decode_chunks().
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Definition at line 1536 of file mpeg12dec.c.
Referenced by decode_chunks().
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Definition at line 1570 of file mpeg12dec.c.
Referenced by mpeg1_decode_sequence(), and mpeg_decode_quant_matrix_extension().
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Definition at line 1593 of file mpeg12dec.c.
Referenced by decode_chunks().
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Definition at line 1607 of file mpeg12dec.c.
Referenced by decode_chunks().
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Definition at line 1666 of file mpeg12dec.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 1775 of file mpeg12dec.c.
Referenced by decode_chunks(), and slice_decode_thread().
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Definition at line 2044 of file mpeg12dec.c.
Referenced by decode_chunks().
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Handle slice ends.
Definition at line 2095 of file mpeg12dec.c.
Referenced by compute_sat_hue_metrics(), decode_chunks(), decode_frame(), DEFINE_BLEND8(), do_colorkey_slice(), filter_brng(), filter_rgb(), filter_slice(), filter_slice16(), filter_slice8(), filter_slice_alpha(), filter_slice_chroma(), filter_slice_luma(), filter_slice_rgb(), filter_tout(), filter_vrep(), hqx_filter(), process_slice_uyvy422(), process_slice_yuv420p(), process_slice_yuv422p(), process_slice_yuv444p(), and xbr_filter().
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Definition at line 2146 of file mpeg12dec.c.
Referenced by decode_chunks().
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Definition at line 2235 of file mpeg12dec.c.
Referenced by mpeg_decode_frame().
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Definition at line 2289 of file mpeg12dec.c.
Referenced by mpeg_decode_user_data().
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Definition at line 2342 of file mpeg12dec.c.
Referenced by decode_chunks().
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Definition at line 2417 of file mpeg12dec.c.
Referenced by decode_chunks().
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Definition at line 2444 of file mpeg12dec.c.
Referenced by mpeg_decode_frame().
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Definition at line 2779 of file mpeg12dec.c.
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Definition at line 2842 of file mpeg12dec.c.
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Definition at line 2851 of file mpeg12dec.c.
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Definition at line 75 of file mpeg12dec.c.
Referenced by mpeg_decode_mb().
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Definition at line 85 of file mpeg12dec.c.
Referenced by mpeg_decode_mb().
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Definition at line 99 of file mpeg12dec.c.
Referenced by get_qscale(), and update_qscale().
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Definition at line 1182 of file mpeg12dec.c.
Referenced by mpeg_get_pixelformat().
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Definition at line 1196 of file mpeg12dec.c.
Referenced by mpeg_get_pixelformat().
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Definition at line 1222 of file mpeg12dec.c.
Referenced by mpeg_get_pixelformat().
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Definition at line 1227 of file mpeg12dec.c.
Referenced by mpeg_get_pixelformat().
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Definition at line 2861 of file mpeg12dec.c.
AVCodec ff_mpeg1video_decoder |
Definition at line 2873 of file mpeg12dec.c.
AVCodec ff_mpeg2video_decoder |
Definition at line 2890 of file mpeg12dec.c.
AVCodec ff_mpegvideo_decoder |
Definition at line 2908 of file mpeg12dec.c.