libavcodec/h264_parser.c File Reference

H.264 / AVC / MPEG4 part10 parser. More...

#include "parser.h"
#include "h264_parser.h"
#include "h264data.h"
#include "golomb.h"
#include <assert.h>

Go to the source code of this file.

Functions

int ff_h264_find_frame_end (H264Context *h, const uint8_t *buf, int buf_size)
 finds the end of the current frame in the bitstream.
static int parse_nal_units (AVCodecParserContext *s, AVCodecContext *avctx, const uint8_t *buf, int buf_size)
static int h264_parse (AVCodecParserContext *s, AVCodecContext *avctx, const uint8_t **poutbuf, int *poutbuf_size, const uint8_t *buf, int buf_size)
static int h264_split (AVCodecContext *avctx, const uint8_t *buf, int buf_size)
static void close (AVCodecParserContext *s)

Variables

AVCodecParser h264_parser


Detailed Description

H.264 / AVC / MPEG4 part10 parser.

Author:
Michael Niedermayer <michaelni@gmx.at>

Definition in file h264_parser.c.


Function Documentation

static void close ( AVCodecParserContext s  )  [static]

int ff_h264_find_frame_end ( H264Context h,
const uint8_t *  buf,
int  buf_size 
)

finds 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 36 of file h264_parser.c.

Referenced by h264_parse().

static int h264_parse ( AVCodecParserContext s,
AVCodecContext avctx,
const uint8_t **  poutbuf,
int *  poutbuf_size,
const uint8_t *  buf,
int  buf_size 
) [static]

Definition at line 236 of file h264_parser.c.

static int h264_split ( AVCodecContext avctx,
const uint8_t *  buf,
int  buf_size 
) [static]

Definition at line 279 of file h264_parser.c.

static int parse_nal_units ( AVCodecParserContext s,
AVCodecContext avctx,
const uint8_t *  buf,
int  buf_size 
) [inline, static]

Parse NAL units of found picture and decode some basic information.

Parameters:
s parser context.
avctx codec context.
buf buffer with field/frame data.
buf_size size of the buffer.

Definition at line 109 of file h264_parser.c.

Referenced by h264_parse().


Variable Documentation

Initial value:

 {
    { CODEC_ID_H264 },
    sizeof(H264Context),
    NULL,
    h264_parse,
    close,
    h264_split,
}

Definition at line 312 of file h264_parser.c.


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