h264_parser.c File Reference

H.264 / AVC / MPEG-4 part10 parser. More...

#include <assert.h>
#include <stdint.h>
#include "libavutil/avutil.h"
#include "libavutil/error.h"
#include "libavutil/log.h"
#include "libavutil/mem.h"
#include "libavutil/pixfmt.h"
#include "get_bits.h"
#include "golomb.h"
#include "h264.h"
#include "h264_sei.h"
#include "h264data.h"
#include "internal.h"
#include "mpegutils.h"
#include "parser.h"

Go to the source code of this file.

Data Structures
struct	H264ParseContext

Macros
#define	UNCHECKED_BITSTREAM_READER   1

Functions
static int	h264_find_frame_end (H264ParseContext *p, const uint8_t *buf, int buf_size, void *logctx)
static int	scan_mmco_reset (AVCodecParserContext *s, GetBitContext *gb, void *logctx)
static int	get_avc_nalsize (H264ParseContext *p, const uint8_t *buf, int buf_size, int *buf_index, void *logctx)
static int	parse_nal_units (AVCodecParserContext *s, AVCodecContext *avctx, const uint8_t *const buf, int buf_size)
	Parse NAL units of found picture and decode some basic information. More...
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	h264_close (AVCodecParserContext *s)
static av_cold int	init (AVCodecParserContext *s)

Variables
AVCodecParser	ff_h264_parser

Detailed Description

H.264 / AVC / MPEG-4 part10 parser.

Author

Michael Niedermayer micha.nosp@m.elni.nosp@m.@gmx..nosp@m.at

Definition in file h264_parser.c.

Macro Definition Documentation

#define UNCHECKED_BITSTREAM_READER   1

Definition at line 28 of file h264_parser.c.

Function Documentation

static int h264_find_frame_end ( H264ParseContext *  p, const uint8_t *  buf, int  buf_size, void *  logctx  )

static

Definition at line 64 of file h264_parser.c.

Referenced by h264_parse().

static int scan_mmco_reset ( AVCodecParserContext *  s, GetBitContext *  gb, void *  logctx  )

static

Definition at line 151 of file h264_parser.c.

Referenced by parse_nal_units().

static int get_avc_nalsize ( H264ParseContext *  p, const uint8_t *  buf, int  buf_size, int *  buf_index, void *  logctx  )

inlinestatic

Definition at line 229 of file h264_parser.c.

Referenced by parse_nal_units().

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

inlinestatic

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 257 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 553 of file h264_parser.c.

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

static

Definition at line 611 of file h264_parser.c.

static void h264_close ( AVCodecParserContext *  s )

static

Definition at line 648 of file h264_parser.c.

static av_cold int init ( AVCodecParserContext *  s )

static

Definition at line 659 of file h264_parser.c.

Variable Documentation

AVCodecParser ff_h264_parser

Initial value:

= {
    .codec_ids      = { AV_CODEC_ID_H264 },
    .priv_data_size = sizeof(H264ParseContext),
    .parser_init    = init,
    .parser_parse   = h264_parse,
    .parser_close   = h264_close,
    .split          = h264_split,
}

Definition at line 667 of file h264_parser.c.