mpeg4video_parser.c File Reference

#include "internal.h"
#include "parser.h"
#include "mpegvideo.h"
#include "mpeg4video.h"
#include "mpeg4video_parser.h"

Go to the source code of this file.

Data Structures
struct	Mp4vParseContext

Macros
#define	UNCHECKED_BITSTREAM_READER   1

Functions
int	ff_mpeg4_find_frame_end (ParseContext *pc, const uint8_t *buf, int buf_size)
	Find the end of the current frame in the bitstream. More...
static int	mpeg4_decode_header (AVCodecParserContext *s1, AVCodecContext *avctx, const uint8_t *buf, int buf_size)
static av_cold int	mpeg4video_parse_init (AVCodecParserContext *s)
static int	mpeg4video_parse (AVCodecParserContext *s, AVCodecContext *avctx, const uint8_t **poutbuf, int *poutbuf_size, const uint8_t *buf, int buf_size)

Variables
AVCodecParser	ff_mpeg4video_parser

Macro Definition Documentation

UNCHECKED_BITSTREAM_READER

#define UNCHECKED_BITSTREAM_READER   1

Definition at line 23 of file mpeg4video_parser.c.

Function Documentation

ff_mpeg4_find_frame_end()

int ff_mpeg4_find_frame_end	(	ParseContext *	pc,
		const uint8_t *	buf,
		int	buf_size
	)

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 37 of file mpeg4video_parser.c.

Referenced by ff_h263_decode_frame(), and mpeg4video_parse().

mpeg4_decode_header()

static int mpeg4_decode_header ( AVCodecParserContext *  s1, AVCodecContext *  avctx, const uint8_t *  buf, int  buf_size  )

static

Definition at line 78 of file mpeg4video_parser.c.

Referenced by mpeg4video_parse().

mpeg4video_parse_init()

static av_cold int mpeg4video_parse_init ( AVCodecParserContext *  s )

static

Definition at line 117 of file mpeg4video_parser.c.

mpeg4video_parse()

static int mpeg4video_parse ( AVCodecParserContext *  s, AVCodecContext *  avctx, const uint8_t **  poutbuf, int *  poutbuf_size, const uint8_t *  buf, int  buf_size  )

static

Definition at line 130 of file mpeg4video_parser.c.

Variable Documentation

ff_mpeg4video_parser

AVCodecParser ff_mpeg4video_parser

Initial value:

= {
    .codec_ids      = { AV_CODEC_ID_MPEG4 },
    .priv_data_size = sizeof(struct Mp4vParseContext),
    .parser_init    = mpeg4video_parse_init,
    .parser_parse   = mpeg4video_parse,
    .parser_close   = ff_parse_close,
    .split          = ff_mpeg4video_split,
}

Definition at line 156 of file mpeg4video_parser.c.