FFmpeg
2.6.3
|
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 "thread.h"
#include "version.h"
#include "vdpau_internal.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 72 of file mpeg12dec.c.
Referenced by mpeg_decode_mb().
#define check_scantable_index | ( | ctx, | |
x | |||
) |
Definition at line 132 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 728 of file mpeg12dec.c.
Referenced by mpeg_decode_mb().
#define MT_FRAME 2 |
Definition at line 729 of file mpeg12dec.c.
Referenced by mpeg_decode_mb().
#define MT_16X8 2 |
Definition at line 730 of file mpeg12dec.c.
#define MT_DMV 3 |
Definition at line 731 of file mpeg12dec.c.
Referenced by mpeg_decode_mb().
#define DECODE_SLICE_ERROR -1 |
Definition at line 1732 of file mpeg12dec.c.
Referenced by mpeg_decode_slice().
#define DECODE_SLICE_OK 0 |
Definition at line 1733 of file mpeg12dec.c.
Referenced by mpeg_decode_slice().
|
static |
Definition at line 106 of file mpeg12dec.c.
Referenced by mpeg_decode_mb().
|
inlinestatic |
Definition at line 141 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 224 of file mpeg12dec.c.
Referenced by tqi_decode_mb().
|
inlinestatic |
Definition at line 229 of file mpeg12dec.c.
Referenced by mpeg_decode_mb().
|
inlinestatic |
Note: this function can read out of range and crash for corrupt streams.
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().
|
inlinestatic |
Definition at line 394 of file mpeg12dec.c.
Referenced by mpeg_decode_mb().
|
inlinestatic |
Note: this function can read out of range and crash for corrupt streams.
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 481 of file mpeg12dec.c.
Referenced by mpeg_decode_mb().
|
inlinestatic |
Definition at line 546 of file mpeg12dec.c.
Referenced by mpeg_decode_mb().
|
inlinestatic |
Note: this function can read out of range and crash for corrupt streams.
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 632 of file mpeg12dec.c.
Referenced by mpeg_decode_mb().
|
inlinestatic |
Definition at line 709 of file mpeg12dec.c.
Referenced by mpeg_decode_mb().
|
inlinestatic |
Definition at line 717 of file mpeg12dec.c.
Referenced by mpeg_decode_mb(), and mpeg_decode_slice().
|
static |
Definition at line 733 of file mpeg12dec.c.
Referenced by mpeg_decode_slice().
|
static |
Definition at line 1119 of file mpeg12dec.c.
|
static |
Definition at line 1151 of file mpeg12dec.c.
|
static |
Definition at line 1176 of file mpeg12dec.c.
Referenced by mpeg_decode_postinit().
|
inlinestatic |
Definition at line 1228 of file mpeg12dec.c.
Referenced by decode_chunks(), and setup_hwaccel_for_pixfmt().
|
static |
Definition at line 1232 of file mpeg12dec.c.
Referenced by mpeg_decode_postinit(), and vcr2_init_sequence().
|
static |
Definition at line 1250 of file mpeg12dec.c.
Referenced by mpeg_decode_postinit(), and vcr2_init_sequence().
|
static |
Definition at line 1270 of file mpeg12dec.c.
Referenced by decode_chunks().
|
static |
Definition at line 1397 of file mpeg12dec.c.
Referenced by decode_chunks().
|
static |
Definition at line 1444 of file mpeg12dec.c.
Referenced by decode_chunks().
|
static |
Definition at line 1481 of file mpeg12dec.c.
Referenced by decode_chunks().
|
static |
Definition at line 1505 of file mpeg12dec.c.
Referenced by decode_chunks().
|
static |
Definition at line 1539 of file mpeg12dec.c.
Referenced by mpeg1_decode_sequence(), and mpeg_decode_quant_matrix_extension().
|
static |
Definition at line 1562 of file mpeg12dec.c.
Referenced by decode_chunks().
|
static |
Definition at line 1576 of file mpeg12dec.c.
Referenced by decode_chunks().
|
static |
Definition at line 1635 of file mpeg12dec.c.
Referenced by decode_chunks().
|
static |
Decode a slice.
MpegEncContext.mb_y must be set to the MB row from the startcode.
Definition at line 1741 of file mpeg12dec.c.
Referenced by decode_chunks(), and slice_decode_thread().
|
static |
Definition at line 2011 of file mpeg12dec.c.
Referenced by decode_chunks().
|
static |
Handle slice ends.
Definition at line 2062 of file mpeg12dec.c.
Referenced by compute_sat_hue_metrics(), decode_chunks(), decode_frame(), filter_brng(), filter_rgb(), filter_slice(), filter_slice_alpha(), filter_slice_chroma(), filter_slice_luma(), filter_slice_rgb(), filter_tout(), filter_vrep(), hqx_filter(), and xbr_filter().
|
static |
Definition at line 2110 of file mpeg12dec.c.
Referenced by decode_chunks().
|
static |
Definition at line 2199 of file mpeg12dec.c.
Referenced by mpeg_decode_frame().
|
static |
Definition at line 2253 of file mpeg12dec.c.
Referenced by mpeg_decode_user_data().
|
static |
Definition at line 2306 of file mpeg12dec.c.
Referenced by decode_chunks().
|
static |
Definition at line 2381 of file mpeg12dec.c.
Referenced by decode_chunks().
|
static |
Definition at line 2408 of file mpeg12dec.c.
Referenced by mpeg_decode_frame().
|
static |
Definition at line 2739 of file mpeg12dec.c.
|
static |
Definition at line 2801 of file mpeg12dec.c.
|
static |
Definition at line 2810 of file mpeg12dec.c.
|
static |
Definition at line 74 of file mpeg12dec.c.
Referenced by mpeg_decode_mb().
|
static |
Definition at line 84 of file mpeg12dec.c.
Referenced by mpeg_decode_mb().
|
static |
Definition at line 98 of file mpeg12dec.c.
Referenced by get_qscale().
|
static |
Definition at line 1188 of file mpeg12dec.c.
Referenced by mpeg_get_pixelformat().
|
static |
Definition at line 1200 of file mpeg12dec.c.
Referenced by mpeg_get_pixelformat().
|
static |
Definition at line 1218 of file mpeg12dec.c.
Referenced by mpeg_get_pixelformat().
|
static |
Definition at line 1223 of file mpeg12dec.c.
Referenced by mpeg_get_pixelformat().
|
static |
Definition at line 2820 of file mpeg12dec.c.
AVCodec ff_mpeg1video_decoder |
Definition at line 2832 of file mpeg12dec.c.
AVCodec ff_mpeg2video_decoder |
Definition at line 2849 of file mpeg12dec.c.
AVCodec ff_mpegvideo_decoder |
Definition at line 2867 of file mpeg12dec.c.