FFmpeg: libavcodec/vorbis_parser.h File Reference

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Macros | Functions

vorbis_parser.h File Reference

#include <stdint.h>

Go to the source code of this file.

Macros

#define VORBIS_FLAG_HEADER 0x00000001

#define VORBIS_FLAG_COMMENT 0x00000002

#define VORBIS_FLAG_SETUP 0x00000004

Functions

AVVorbisParseContext * av_vorbis_parse_init (const uint8_t *extradata, int extradata_size)

Allocate and initialize the Vorbis parser using headers in the extradata. More...

void av_vorbis_parse_free (AVVorbisParseContext **s)

Free the parser and everything associated with it. More...

int av_vorbis_parse_frame_flags (AVVorbisParseContext *s, const uint8_t *buf, int buf_size, int *flags)

Get the duration for a Vorbis packet. More...

int av_vorbis_parse_frame (AVVorbisParseContext *s, const uint8_t *buf, int buf_size)

Get the duration for a Vorbis packet. More...

void av_vorbis_parse_reset (AVVorbisParseContext *s)

Detailed Description

A public API for Vorbis parsing

Determines the duration for each packet.

Definition in file vorbis_parser.h.

Macro Definition Documentation

◆ VORBIS_FLAG_HEADER

#define VORBIS_FLAG_HEADER 0x00000001

Definition at line 44 of file vorbis_parser.h.

◆ VORBIS_FLAG_COMMENT

#define VORBIS_FLAG_COMMENT 0x00000002

Definition at line 45 of file vorbis_parser.h.

◆ VORBIS_FLAG_SETUP

#define VORBIS_FLAG_SETUP 0x00000004

Definition at line 46 of file vorbis_parser.h.

Function Documentation

◆ av_vorbis_parse_init()

AVVorbisParseContext* av_vorbis_parse_init ( const uint8_t * extradata,

int extradata_size

)

Allocate and initialize the Vorbis parser using headers in the extradata.

Definition at line 281 of file vorbis_parser.c.

Referenced by libvorbis_encode_init(), and vorbis_header().

◆ av_vorbis_parse_free()

void av_vorbis_parse_free ( AVVorbisParseContext ** s )

Free the parser and everything associated with it.

Definition at line 276 of file vorbis_parser.c.

Referenced by av_vorbis_parse_init(), libvorbis_encode_close(), and vorbis_cleanup().

◆ av_vorbis_parse_frame_flags()

int av_vorbis_parse_frame_flags ( AVVorbisParseContext * s,

const uint8_t * buf,

int buf_size,

int * flags

)

Get the duration for a Vorbis packet.

If flags is NULL, special frames are considered invalid.

Parameters: s Vorbis parser context

buf buffer containing a Vorbis frame

buf_size size of the buffer

flags flags for special frames

Definition at line 213 of file vorbis_parser.c.

Referenced by av_vorbis_parse_frame(), and vorbis_packet().

◆ av_vorbis_parse_frame()

int av_vorbis_parse_frame ( AVVorbisParseContext * s,

const uint8_t * buf,

int buf_size

)

Get the duration for a Vorbis packet.

Parameters: s Vorbis parser context

buf buffer containing a Vorbis frame

buf_size size of the buffer

Definition at line 264 of file vorbis_parser.c.

Referenced by libvorbis_encode_frame().

◆ av_vorbis_parse_reset()

void av_vorbis_parse_reset ( AVVorbisParseContext * s )

Definition at line 270 of file vorbis_parser.c.

Referenced by vorbis_packet().

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