mpeg12dec.c File Reference

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 "hwaccel.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 "profiles.h"
#include "thread.h"
#include "version.h"
#include "xvmc_internal.h"

Classes
struct	Mpeg1Context

Macros
#define	UNCHECKED_BITSTREAM_READER   1
#define	MB_TYPE_ZERO_MV   0x20000000
#define	MAX_INDEX   (64 - 1)
#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

Typedefs
typedef struct Mpeg1Context	Mpeg1Context

Variables
AVCodec	ff_mpeg1video_decoder
AVCodec	ff_mpeg2video_decoder
AVCodec	ff_mpegvideo_decoder

Detailed Description

MPEG-1/2 decoder.

Macro Definition Documentation

check_scantable_index

#define check_scantable_index	(		ctx,
			x
	)

Value:

do {                                                                      \
        if ((x) > MAX_INDEX) {                                                \
            av_log(ctx->avctx, AV_LOG_ERROR, "ac-tex damaged at %d %d\n",     \
                   ctx->mb_x, ctx->mb_y);                                     \
            return AVERROR_INVALIDDATA;                                       \
        }                                                                     \
    } while (0)

Variable Documentation

ff_mpegvideo_decoder

AVCodec ff_mpegvideo_decoder

Initial value:

= {
    .name           = "mpegvideo",
    .long_name      = NULL_IF_CONFIG_SMALL("MPEG-1 video"),
    .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   = AV_CODEC_CAP_DRAW_HORIZ_BAND | AV_CODEC_CAP_DR1 | AV_CODEC_CAP_TRUNCATED | AV_CODEC_CAP_DELAY | AV_CODEC_CAP_SLICE_THREADS,
    .caps_internal  = FF_CODEC_CAP_SKIP_FRAME_FILL_PARAM,
    .flush          = flush,
    .max_lowres     = 3,
}