Macros | Functions | Variables
mpeg12.c File Reference

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
 

Functions

static int mpeg_decode_motion (MpegEncContext *s, int fcode, int pred)
 
static int mpeg1_decode_block_intra (MpegEncContext *s, DCTELEM *block, int n)
 
int ff_mpeg1_decode_block_intra (MpegEncContext *s, DCTELEM *block, int n)
 
static int mpeg1_decode_block_inter (MpegEncContext *s, DCTELEM *block, int n)
 
static int mpeg1_fast_decode_block_inter (MpegEncContext *s, DCTELEM *block, int n)
 
static int mpeg2_decode_block_non_intra (MpegEncContext *s, DCTELEM *block, int n)
 
static int mpeg2_fast_decode_block_non_intra (MpegEncContext *s, DCTELEM *block, int n)
 
static int mpeg2_decode_block_intra (MpegEncContext *s, DCTELEM *block, int n)
 
static int mpeg2_fast_decode_block_intra (MpegEncContext *s, DCTELEM *block, int n)
 
static void init_2d_vlc_rl (RLTable *rl)
 
void ff_mpeg12_common_init (MpegEncContext *s)
 
void ff_mpeg1_clean_buffers (MpegEncContext *s)
 
av_cold void ff_mpeg12_init_vlcs (void)
 
static int get_dmv (MpegEncContext *s)
 
static int get_qscale (MpegEncContext *s)
 
static void exchange_uv (MpegEncContext *s)
 
static int mpeg_decode_mb (MpegEncContext *s, DCTELEM block[12][64])
 
static av_cold int mpeg_decode_init (AVCodecContext *avctx)
 
static int mpeg_decode_update_thread_context (AVCodecContext *avctx, const AVCodecContext *avctx_from)
 
static void quant_matrix_rebuild (uint16_t *matrix, const uint8_t *old_perm, const uint8_t *new_perm)
 
static enum AVPixelFormat mpeg_get_pixelformat (AVCodecContext *avctx)
 
static int mpeg_decode_postinit (AVCodecContext *avctx)
 
static int mpeg1_decode_picture (AVCodecContext *avctx, const uint8_t *buf, int buf_size)
 
static void mpeg_decode_sequence_extension (Mpeg1Context *s1)
 
static void mpeg_decode_sequence_display_extension (Mpeg1Context *s1)
 
static void mpeg_decode_picture_display_extension (Mpeg1Context *s1)
 
static int load_matrix (MpegEncContext *s, uint16_t matrix0[64], uint16_t matrix1[64], int intra)
 
static void mpeg_decode_quant_matrix_extension (MpegEncContext *s)
 
static void mpeg_decode_picture_coding_extension (Mpeg1Context *s1)
 
static int mpeg_field_start (MpegEncContext *s, const uint8_t *buf, int buf_size)
 
static int mpeg_decode_slice (MpegEncContext *s, int mb_y, const uint8_t **buf, int buf_size)
 Decode a slice. More...
 
static int slice_decode_thread (AVCodecContext *c, void *arg)
 
static int slice_end (AVCodecContext *avctx, AVFrame *pict)
 Handle slice ends. More...
 
static int mpeg1_decode_sequence (AVCodecContext *avctx, const uint8_t *buf, int buf_size)
 
static int vcr2_init_sequence (AVCodecContext *avctx)
 
static void mpeg_decode_user_data (AVCodecContext *avctx, const uint8_t *p, int buf_size)
 
static void mpeg_decode_gop (AVCodecContext *avctx, const uint8_t *buf, int buf_size)
 
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. More...
 
static int decode_chunks (AVCodecContext *avctx, AVFrame *picture, int *got_output, const uint8_t *buf, int buf_size)
 
static int mpeg_decode_frame (AVCodecContext *avctx, void *data, int *got_output, AVPacket *avpkt)
 
static void flush (AVCodecContext *avctx)
 
static int mpeg_decode_end (AVCodecContext *avctx)
 

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 AVPixelFormat pixfmt_xvmc_mpg2_420 []
 
static const AVProfile mpeg2_video_profiles []
 
AVCodec ff_mpeg1video_decoder
 
AVCodec ff_mpeg2video_decoder
 

Detailed Description

MPEG-1/2 decoder.

Definition in file mpeg12.c.

Macro Definition Documentation

#define DECODE_SLICE_ERROR   -1

Definition at line 1623 of file mpeg12.c.

Referenced by mpeg_decode_slice().

#define DECODE_SLICE_OK   0

Definition at line 1624 of file mpeg12.c.

Referenced by mpeg_decode_slice().

#define INIT_2D_VLC_RL (   rl,
  static_size 
)
Value:
{\
static RL_VLC_ELEM rl_vlc_table[static_size];\
INIT_VLC_STATIC(&rl.vlc, TEX_VLC_BITS, rl.n + 2,\
&rl.table_vlc[0][1], 4, 2,\
&rl.table_vlc[0][0], 4, 2, static_size);\
\
rl.rl_vlc[0] = rl_vlc_table;\
init_2d_vlc_rl(&rl);\
}
RL_VLC_ELEM
Definition: get_bits.h:69
INIT_VLC_STATIC
#define INIT_VLC_STATIC(vlc, bits, a, b, c, d, e, f, g, static_size)
Definition: get_bits.h:436
TEX_VLC_BITS
#define TEX_VLC_BITS
Definition: dvdata.h:100
init_2d_vlc_rl
static void init_2d_vlc_rl(RLTable *rl)
Definition: mpeg12.c:606

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_16X8   2

Definition at line 734 of file mpeg12.c.

#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().

Function Documentation

static int decode_chunks ( AVCodecContext *  avctx,
AVFrame *  picture,
int *  got_output,
const uint8_t *  buf,
int  buf_size 
)
static

Definition at line 2191 of file mpeg12.c.

Referenced by mpeg_decode_frame().

static void exchange_uv ( MpegEncContext *  s)
static

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().

av_cold void ff_mpeg12_init_vlcs ( void  )

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.

Returns
the position of the first byte of the next frame, or -1

Definition at line 2131 of file mpeg12.c.

Referenced by mpeg_decode_frame(), and mpegvideo_parse().

static void flush ( AVCodecContext *  avctx)
static

Definition at line 2470 of file mpeg12.c.

static int get_dmv ( MpegEncContext *  s)
inlinestatic

Definition at line 704 of file mpeg12.c.

Referenced by mpeg_decode_mb().

static int get_qscale ( MpegEncContext *  s)
inlinestatic

Definition at line 712 of file mpeg12.c.

Referenced by mpeg_decode_mb(), and mpeg_decode_slice().

static void init_2d_vlc_rl ( RLTable *  rl)
static

Definition at line 606 of file mpeg12.c.

static int load_matrix ( MpegEncContext *  s,
uint16_t  matrix0[64],
uint16_t  matrix1[64],
int  intra 
)
static

Definition at line 1450 of file mpeg12.c.

Referenced by mpeg1_decode_sequence(), and mpeg_decode_quant_matrix_extension().

static int mpeg1_decode_block_inter ( MpegEncContext *  s,
DCTELEM *  block,
int  n 
)
inlinestatic

Definition at line 159 of file mpeg12.c.

Referenced by mpeg_decode_mb().

static int mpeg1_decode_block_intra ( MpegEncContext *  s,
DCTELEM *  block,
int  n 
)
inlinestatic

Definition at line 83 of file mpeg12.c.

Referenced by ff_mpeg1_decode_block_intra(), and mpeg_decode_mb().

static int mpeg1_decode_picture ( AVCodecContext *  avctx,
const uint8_t *  buf,
int  buf_size 
)
static

Definition at line 1315 of file mpeg12.c.

Referenced by decode_chunks().

static int mpeg1_decode_sequence ( AVCodecContext *  avctx,
const uint8_t *  buf,
int  buf_size 
)
static

Definition at line 1942 of file mpeg12.c.

Referenced by decode_chunks().

static int mpeg1_fast_decode_block_inter ( MpegEncContext *  s,
DCTELEM *  block,
int  n 
)
inlinestatic

Definition at line 234 of file mpeg12.c.

Referenced by mpeg_decode_mb().

static int mpeg2_decode_block_intra ( MpegEncContext *  s,
DCTELEM *  block,
int  n 
)
inlinestatic

Definition at line 447 of file mpeg12.c.

Referenced by mpeg_decode_mb().

static int mpeg2_decode_block_non_intra ( MpegEncContext *  s,
DCTELEM *  block,
int  n 
)
inlinestatic

Definition at line 306 of file mpeg12.c.

Referenced by mpeg_decode_mb().

static int mpeg2_fast_decode_block_intra ( MpegEncContext *  s,
DCTELEM *  block,
int  n 
)
inlinestatic

Definition at line 525 of file mpeg12.c.

Referenced by mpeg_decode_mb().

static int mpeg2_fast_decode_block_non_intra ( MpegEncContext *  s,
DCTELEM *  block,
int  n 
)
inlinestatic

Definition at line 385 of file mpeg12.c.

Referenced by mpeg_decode_mb().

static int mpeg_decode_end ( AVCodecContext *  avctx)
static

Definition at line 2480 of file mpeg12.c.

static int mpeg_decode_frame ( AVCodecContext *  avctx,
void *  data,
int *  got_output,
AVPacket *  avpkt 
)
static

Definition at line 2425 of file mpeg12.c.

static void mpeg_decode_gop ( AVCodecContext *  avctx,
const uint8_t *  buf,
int  buf_size 
)
static

Definition at line 2096 of file mpeg12.c.

Referenced by decode_chunks().

static av_cold int mpeg_decode_init ( AVCodecContext *  avctx)
static

Definition at line 1109 of file mpeg12.c.

static int mpeg_decode_mb ( MpegEncContext *  s,
DCTELEM  block[12][64] 
)
static

Definition at line 737 of file mpeg12.c.

Referenced by mpeg_decode_slice().

static int mpeg_decode_motion ( MpegEncContext *  s,
int  fcode,
int  pred 
)
static

Definition at line 55 of file mpeg12.c.

Referenced by mpeg_decode_mb().

static void mpeg_decode_picture_coding_extension ( Mpeg1Context *  s1)
static

Definition at line 1482 of file mpeg12.c.

Referenced by decode_chunks().

static void mpeg_decode_picture_display_extension ( Mpeg1Context *  s1)
static

Definition at line 1417 of file mpeg12.c.

Referenced by decode_chunks().

static int mpeg_decode_postinit ( AVCodecContext *  avctx)
static

Definition at line 1203 of file mpeg12.c.

Referenced by decode_chunks().

static void mpeg_decode_quant_matrix_extension ( MpegEncContext *  s)
static

Definition at line 1472 of file mpeg12.c.

Referenced by decode_chunks().

static void mpeg_decode_sequence_display_extension ( Mpeg1Context *  s1)
static

Definition at line 1393 of file mpeg12.c.

Referenced by decode_chunks().

static void mpeg_decode_sequence_extension ( Mpeg1Context *  s1)
static

Definition at line 1357 of file mpeg12.c.

Referenced by decode_chunks().

static int mpeg_decode_slice ( MpegEncContext *  s,
int  mb_y,
const uint8_t **  buf,
int  buf_size 
)
static

Decode a slice.

MpegEncContext.mb_y must be set to the MB row from the startcode.

Returns
DECODE_SLICE_ERROR if the slice is damaged, DECODE_SLICE_OK if this slice is OK

Definition at line 1632 of file mpeg12.c.

Referenced by decode_chunks(), and slice_decode_thread().

static int mpeg_decode_update_thread_context ( AVCodecContext *  avctx,
const AVCodecContext *  avctx_from 
)
static

Definition at line 1140 of file mpeg12.c.

static void mpeg_decode_user_data ( AVCodecContext *  avctx,
const uint8_t *  p,
int  buf_size 
)
static

Definition at line 2074 of file mpeg12.c.

Referenced by decode_chunks().

static int mpeg_field_start ( MpegEncContext *  s,
const uint8_t *  buf,
int  buf_size 
)
static

Definition at line 1558 of file mpeg12.c.

Referenced by decode_chunks().

static enum AVPixelFormat mpeg_get_pixelformat ( AVCodecContext *  avctx)
static

Definition at line 1179 of file mpeg12.c.

Referenced by vcr2_init_sequence().

static void quant_matrix_rebuild ( uint16_t *  matrix,
const uint8_t *  old_perm,
const uint8_t *  new_perm 
)
static

Definition at line 1161 of file mpeg12.c.

static int slice_decode_thread ( AVCodecContext *  c,
void *  arg 
)
static

Definition at line 1852 of file mpeg12.c.

Referenced by decode_chunks().

static int slice_end ( AVCodecContext *  avctx,
AVFrame *  pict 
)
static

Handle slice ends.

Returns
1 if it seems to be the last slice

Definition at line 1896 of file mpeg12.c.

Referenced by decode_chunks(), and decode_frame().

static int vcr2_init_sequence ( AVCodecContext *  avctx)
static

Definition at line 2020 of file mpeg12.c.

Referenced by mpeg_decode_frame().

Variable Documentation

VLC ff_dc_chroma_vlc

Definition at line 660 of file mpeg12.c.

VLC ff_dc_lum_vlc

Definition at line 659 of file mpeg12.c.

uint8_t ff_mpeg12_static_rl_table_store[2][2][2 *MAX_RUN+MAX_LEVEL+3]

Definition at line 593 of file mpeg12.c.

Referenced by ff_mpeg12_init_vlcs(), and ff_mpeg1_encode_init().

AVCodec ff_mpeg1video_decoder
Initial value:
= {
.name = "mpeg1video",
.type = AVMEDIA_TYPE_VIDEO,
.id = AV_CODEC_ID_MPEG1VIDEO,
.priv_data_size = sizeof(Mpeg1Context),
.init = mpeg_decode_init,
.close = mpeg_decode_end,
.decode = mpeg_decode_frame,
.capabilities = CODEC_CAP_DRAW_HORIZ_BAND | CODEC_CAP_DR1 |
CODEC_CAP_TRUNCATED | CODEC_CAP_DELAY |
CODEC_CAP_SLICE_THREADS,
.flush = flush,
.long_name = NULL_IF_CONFIG_SMALL("MPEG-1 video"),
.update_thread_context = ONLY_IF_THREADS_ENABLED(mpeg_decode_update_thread_context)
}
mpeg_decode_update_thread_context
static int mpeg_decode_update_thread_context(AVCodecContext *avctx, const AVCodecContext *avctx_from)
Definition: mpeg12.c:1140
decode
static int decode(MimicContext *ctx, int quality, int num_coeffs, int is_iframe)
Definition: mimic.c:228
mpeg_decode_init
static av_cold int mpeg_decode_init(AVCodecContext *avctx)
Definition: mpeg12.c:1109
init
static int init(AVCodecParserContext *s)
Definition: h264_parser.c:335
AV_CODEC_ID_MPEG1VIDEO
Definition: avcodec.h:99
NULL_IF_CONFIG_SMALL
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
Definition: internal.h:88
CODEC_CAP_TRUNCATED
#define CODEC_CAP_TRUNCATED
ONLY_IF_THREADS_ENABLED
#define ONLY_IF_THREADS_ENABLED(x)
Define a function with only the non-default version specified.
Definition: internal.h:128
mpeg_decode_frame
static int mpeg_decode_frame(AVCodecContext *avctx, void *data, int *got_output, AVPacket *avpkt)
Definition: mpeg12.c:2425
mpeg_decode_end
static int mpeg_decode_end(AVCodecContext *avctx)
Definition: mpeg12.c:2480
flush
static void flush(AVCodecContext *avctx)
Definition: mpeg12.c:2470
close
static void close(AVCodecParserContext *s)
Definition: h264_parser.c:326
CODEC_CAP_SLICE_THREADS
#define CODEC_CAP_SLICE_THREADS
Mpeg1Context
struct Mpeg1Context Mpeg1Context
CODEC_CAP_DR1
#define CODEC_CAP_DR1
CODEC_CAP_DELAY
#define CODEC_CAP_DELAY
AVMEDIA_TYPE_VIDEO
Definition: avutil.h:179
CODEC_CAP_DRAW_HORIZ_BAND
#define CODEC_CAP_DRAW_HORIZ_BAND

Definition at line 2502 of file mpeg12.c.

AVCodec ff_mpeg2video_decoder
Initial value:
= {
.name = "mpeg2video",
.type = AVMEDIA_TYPE_VIDEO,
.id = AV_CODEC_ID_MPEG2VIDEO,
.priv_data_size = sizeof(Mpeg1Context),
.init = mpeg_decode_init,
.close = mpeg_decode_end,
.decode = mpeg_decode_frame,
.capabilities = CODEC_CAP_DRAW_HORIZ_BAND | CODEC_CAP_DR1 |
CODEC_CAP_TRUNCATED | CODEC_CAP_DELAY |
CODEC_CAP_SLICE_THREADS,
.flush = flush,
.long_name = NULL_IF_CONFIG_SMALL("MPEG-2 video"),
.profiles = NULL_IF_CONFIG_SMALL(mpeg2_video_profiles),
}
mpeg2_video_profiles
static const AVProfile mpeg2_video_profiles[]
Definition: mpeg12.c:2489
decode
static int decode(MimicContext *ctx, int quality, int num_coeffs, int is_iframe)
Definition: mimic.c:228
mpeg_decode_init
static av_cold int mpeg_decode_init(AVCodecContext *avctx)
Definition: mpeg12.c:1109
init
static int init(AVCodecParserContext *s)
Definition: h264_parser.c:335
NULL_IF_CONFIG_SMALL
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
Definition: internal.h:88
CODEC_CAP_TRUNCATED
#define CODEC_CAP_TRUNCATED
mpeg_decode_frame
static int mpeg_decode_frame(AVCodecContext *avctx, void *data, int *got_output, AVPacket *avpkt)
Definition: mpeg12.c:2425
mpeg_decode_end
static int mpeg_decode_end(AVCodecContext *avctx)
Definition: mpeg12.c:2480
flush
static void flush(AVCodecContext *avctx)
Definition: mpeg12.c:2470
AV_CODEC_ID_MPEG2VIDEO
preferred ID for MPEG-1/2 video decoding
Definition: avcodec.h:100
close
static void close(AVCodecParserContext *s)
Definition: h264_parser.c:326
CODEC_CAP_SLICE_THREADS
#define CODEC_CAP_SLICE_THREADS
Mpeg1Context
struct Mpeg1Context Mpeg1Context
CODEC_CAP_DR1
#define CODEC_CAP_DR1
CODEC_CAP_DELAY
#define CODEC_CAP_DELAY
AVMEDIA_TYPE_VIDEO
Definition: avutil.h:179
CODEC_CAP_DRAW_HORIZ_BAND
#define CODEC_CAP_DRAW_HORIZ_BAND

Definition at line 2518 of file mpeg12.c.

VLC mb_btype_vlc
static

Definition at line 664 of file mpeg12.c.

VLC mb_pat_vlc
static

Definition at line 665 of file mpeg12.c.

VLC mb_ptype_vlc
static

Definition at line 663 of file mpeg12.c.

VLC mbincr_vlc
static

Definition at line 662 of file mpeg12.c.

const AVProfile mpeg2_video_profiles[]
static
Initial value:
= {
{ FF_PROFILE_MPEG2_422, "4:2:2" },
{ FF_PROFILE_MPEG2_HIGH, "High" },
{ FF_PROFILE_MPEG2_SS, "Spatially Scalable" },
{ FF_PROFILE_MPEG2_SNR_SCALABLE, "SNR Scalable" },
{ FF_PROFILE_MPEG2_MAIN, "Main" },
{ FF_PROFILE_MPEG2_SIMPLE, "Simple" },
{ FF_PROFILE_RESERVED, "Reserved" },
{ FF_PROFILE_RESERVED, "Reserved" },
{ FF_PROFILE_UNKNOWN },
}
FF_PROFILE_MPEG2_SIMPLE
#define FF_PROFILE_MPEG2_SIMPLE
FF_PROFILE_MPEG2_SS
#define FF_PROFILE_MPEG2_SS
FF_PROFILE_RESERVED
#define FF_PROFILE_RESERVED
FF_PROFILE_MPEG2_SNR_SCALABLE
#define FF_PROFILE_MPEG2_SNR_SCALABLE
FF_PROFILE_MPEG2_HIGH
#define FF_PROFILE_MPEG2_HIGH
FF_PROFILE_MPEG2_MAIN
#define FF_PROFILE_MPEG2_MAIN
FF_PROFILE_MPEG2_422
#define FF_PROFILE_MPEG2_422
FF_PROFILE_UNKNOWN
#define FF_PROFILE_UNKNOWN

Definition at line 2489 of file mpeg12.c.

VLC mv_vlc
static

Definition at line 52 of file mpeg12.c.

enum AVPixelFormat pixfmt_xvmc_mpg2_420[]
static
Initial value:
= {
AV_PIX_FMT_XVMC_MPEG2_IDCT,
AV_PIX_FMT_XVMC_MPEG2_MC,
AV_PIX_FMT_NONE }
AV_PIX_FMT_XVMC_MPEG2_MC
XVideo Motion Acceleration via common packet passing.
Definition: pixfmt.h:80

Definition at line 1174 of file mpeg12.c.

Referenced by mpeg_get_pixelformat().