FFmpeg: libavcodec/h264_parser.c File Reference

FFmpeg

libavcodec

h264_parser.c File Reference

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

#include "libavutil/attributes.h"
#include "parser.h"
#include "h264data.h"
#include "golomb.h"
#include "internal.h"

Go to the source code of this file.

Macros

#define UNCHECKED_BITSTREAM_READER 1

Functions

static int h264_find_frame_end (H264Context *h, const uint8_t *buf, int buf_size)

static int scan_mmco_reset (AVCodecParserContext *s)

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

static void close (AVCodecParserContext *s)

static av_cold int init (AVCodecParserContext *s)

Variables

AVCodecParser ff_h264_parser

Detailed Description

H.264 / AVC / MPEG4 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 ( H264Context * h,

const uint8_t * buf,

int buf_size

)

static

Definition at line 37 of file h264_parser.c.

Referenced by h264_parse().

static int scan_mmco_reset ( AVCodecParserContext * s )

static

Definition at line 123 of file h264_parser.c.

Referenced by parse_nal_units().

static int parse_nal_units ( AVCodecParserContext * s,

AVCodecContext * avctx,

const uint8_t * 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 200 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 448 of file h264_parser.c.

static int h264_split ( AVCodecContext * avctx,

const uint8_t * buf,

int buf_size

)

static

Definition at line 509 of file h264_parser.c.

static void close ( AVCodecParserContext * s )

static

Definition at line 538 of file h264_parser.c.

Referenced by audio_close(), audio_open(), av_file_map(), build_feed_streams(), cache_close(), check(), close_connection(), dv1394_close(), dv1394_read_header(), fbdev_read_close(), fbdev_read_header(), fbdev_write_header(), fbdev_write_trailer(), ff_ass_split_override_codes(), ff_xvid_rate_control_init(), grab_read_close(), grab_read_header(), http_receive_data(), main(), mpeg12_class(), read_random(), start_children(), write_trailer(), and xvid_encode_close().

static av_cold int init ( AVCodecParserContext * s )

static

Definition at line 547 of file h264_parser.c.

Variable Documentation

AVCodecParser ff_h264_parser

Initial value:

= {

.codec_ids = { AV_CODEC_ID_H264 },

.priv_data_size = sizeof(H264Context),

.parser_init = init,

.parser_parse = h264_parse,

.parser_close = close,

.split = h264_split,

}

Definition at line 556 of file h264_parser.c.

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