h264_parser.c File Reference

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

#include <stdint.h>
#include "libavutil/attributes.h"
#include "libavutil/avutil.h"
#include "libavutil/error.h"
#include "libavutil/log.h"
#include "libavutil/mem.h"
#include "libavutil/pixfmt.h"
#include "avcodec.h"
#include "get_bits.h"
#include "golomb.h"
#include "h264.h"
#include "h264dsp.h"
#include "h264_parse.h"
#include "h264_sei.h"
#include "h264_ps.h"
#include "h2645_parse.h"
#include "h264data.h"
#include "mpegutils.h"
#include "parser.h"
#include "libavutil/refstruct.h"
#include "parser_internal.h"
#include "startcode.h"

Go to the source code of this file.

Data Structures
struct	H264ParseContext

Macros
#define	UNCHECKED_BITSTREAM_READER   1

Functions
static int	find_start_code (const uint8_t *buf, int buf_size, int buf_index, int next_avc)
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	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.
static int	h264_parse (AVCodecParserContext *s, AVCodecContext *avctx, const uint8_t **poutbuf, int *poutbuf_size, const uint8_t *buf, int buf_size)
static av_cold void	h264_close (AVCodecParserContext *s)
static av_cold int	init (AVCodecParserContext *s)

Variables
const FFCodecParser	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

UNCHECKED_BITSTREAM_READER

#define UNCHECKED_BITSTREAM_READER   1

Definition at line 28 of file h264_parser.c.

Function Documentation

find_start_code()

static int find_start_code ( const uint8_t * buf, int buf_size, int buf_index, int next_avc )

static

Definition at line 72 of file h264_parser.c.

Referenced by parse_nal_units().

h264_find_frame_end()

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

static

Definition at line 82 of file h264_parser.c.

Referenced by h264_parse().

scan_mmco_reset()

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

static

Definition at line 173 of file h264_parser.c.

Referenced by parse_nal_units().

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 262 of file h264_parser.c.

Referenced by h264_parse().

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 593 of file h264_parser.c.

h264_close()

static av_cold void h264_close ( AVCodecParserContext * s )

static

Definition at line 676 of file h264_parser.c.

init()

static av_cold int init ( AVCodecParserContext * s )

static

Definition at line 687 of file h264_parser.c.

Variable Documentation

ff_h264_parser

const FFCodecParser ff_h264_parser

Initial value:

= {
    PARSER_CODEC_LIST(AV_CODEC_ID_H264),
    .priv_data_size = sizeof(H264ParseContext),
    .init           = init,
    .parse          = h264_parse,
    .close          = h264_close,
}

Definition at line 697 of file h264_parser.c.