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]

Definition at line 303 of file h264_parser.c.

Referenced by audio_close(), audio_open(), build_feed_streams(), close_connection(), device_open(), dv1394_close(), dv1394_read_header(), ff_xvid_encode_init(), ff_xvid_rate_control_init(), file_close(), grab_read_close(), grab_read_header(), http_receive_data(), main(), Process(), rwpipe_open(), start_children(), v4l2_read_close(), and v4l2_read_header().

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

AVCodecParser h264_parser

Initial value:

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

Definition at line 312 of file h264_parser.c.