oggparsevorbis.c File Reference

#include <stdlib.h>
#include "libavutil/avstring.h"
#include "libavutil/base64.h"
#include "libavutil/dict.h"
#include "libavutil/mem.h"
#include "libavcodec/bytestream.h"
#include "libavcodec/vorbis_parser.h"
#include "avformat.h"
#include "demux.h"
#include "flac_picture.h"
#include "internal.h"
#include "oggdec.h"
#include "vorbiscomment.h"
#include "replaygain.h"

Go to the source code of this file.

Data Structures
struct	oggvorbis_private

Functions
static int	ogm_chapter (AVFormatContext *as, const uint8_t *key, const uint8_t *val)
int	ff_vorbis_stream_comment (AVFormatContext *as, AVStream *st, const uint8_t *buf, int size)
	Parse Vorbis comments and add metadata to an AVStream. More...
static int	vorbis_parse_single_comment (AVFormatContext *as, AVDictionary **m, const uint8_t *buf, uint32_t size, int *updates, int parse_picture)
	This function temporarily modifies the (const qualified) input buffer and reverts its changes before return. More...
int	ff_vorbis_comment (AVFormatContext *as, AVDictionary **m, const uint8_t *buf, int size, int parse_picture)
	Parse Vorbis comments. More...
static int	fixup_vorbis_headers (AVFormatContext *as, struct oggvorbis_private *priv, uint8_t **buf)
static void	vorbis_cleanup (AVFormatContext *s, int idx)
int	ff_vorbis_update_metadata (AVFormatContext *s, AVStream *st, const uint8_t *buf, int size)
	Parse Vorbis comments, add metadata to an AVStream. More...
static int	vorbis_parse_header (AVFormatContext *s, AVStream *st, const uint8_t *p, unsigned int psize)
static int	vorbis_update_metadata (AVFormatContext *s, int idx)
static int	vorbis_header (AVFormatContext *s, int idx)
static int	vorbis_packet (AVFormatContext *s, int idx)

Variables
const struct ogg_codec	ff_vorbis_codec

Function Documentation

ogm_chapter()

static int ogm_chapter ( AVFormatContext *  as, const uint8_t *  key, const uint8_t *  val  )

static

Definition at line 43 of file oggparsevorbis.c.

Referenced by vorbis_parse_single_comment().

ff_vorbis_stream_comment()

int ff_vorbis_stream_comment	(	AVFormatContext *	as,
		AVStream *	st,
		const uint8_t *	buf,
		int	size
	)

Parse Vorbis comments and add metadata to an AVStream.

Note

The buffer will be temporarily modified by this function, so it needs to be writable. Furthermore it must be padded by a single byte (not counted in size). All changes will have been reverted upon return.

Definition at line 74 of file oggparsevorbis.c.

Referenced by celt_header(), ff_vorbis_update_metadata(), flac_header(), ogm_header(), opus_header(), speex_header(), theora_header(), and vp8_header().

vorbis_parse_single_comment()

static int vorbis_parse_single_comment ( AVFormatContext *  as, AVDictionary **  m, const uint8_t *  buf, uint32_t  size, int *  updates, int  parse_picture  )

static

This function temporarily modifies the (const qualified) input buffer and reverts its changes before return.

The input buffer needs to have at least one byte of padding.

Definition at line 91 of file oggparsevorbis.c.

Referenced by ff_vorbis_comment().

ff_vorbis_comment()

int ff_vorbis_comment	(	AVFormatContext *	ms,
		AVDictionary **	m,
		const uint8_t *	buf,
		int	size,
		int	parse_picture
	)

Parse Vorbis comments.

Note

The buffer will be temporarily modified by this function, so it needs to be writable. Furthermore it must be padded by a single byte (not counted in size). All changes will have been reverted upon return.

Definition at line 149 of file oggparsevorbis.c.

Referenced by ff_vorbis_stream_comment(), and flac_read_header().

fixup_vorbis_headers()

static int fixup_vorbis_headers ( AVFormatContext *  as, struct oggvorbis_private *  priv, uint8_t **  buf  )

static

Definition at line 226 of file oggparsevorbis.c.

Referenced by vorbis_header().

vorbis_cleanup()

static void vorbis_cleanup ( AVFormatContext *  s, int  idx  )

static

Definition at line 259 of file oggparsevorbis.c.

ff_vorbis_update_metadata()

int ff_vorbis_update_metadata	(	AVFormatContext *	s,
		AVStream *	st,
		const uint8_t *	buf,
		int	size
	)

Parse Vorbis comments, add metadata to an AVStream.

This function also attaches the metadata to the next decoded packet as AV_PKT_DATA_STRINGS_METADATA

Note

The buffer will be temporarily modified by this function, so it needs to be writable. Furthermore it must be padded by a single byte (not counted in size). All changes will have been reverted upon return.

Definition at line 276 of file oggparsevorbis.c.

Referenced by flac_packet(), opus_packet(), and vorbis_update_metadata().

vorbis_parse_header()

static int vorbis_parse_header ( AVFormatContext *  s, AVStream *  st, const uint8_t *  p, unsigned int  psize  )

static

Definition at line 302 of file oggparsevorbis.c.

Referenced by vorbis_header(), and vorbis_packet().

vorbis_update_metadata()

static int vorbis_update_metadata ( AVFormatContext *  s, int  idx  )

static

Definition at line 358 of file oggparsevorbis.c.

Referenced by vorbis_header(), and vorbis_packet().

vorbis_header()

static int vorbis_header ( AVFormatContext *  s, int  idx  )

static

Definition at line 371 of file oggparsevorbis.c.

vorbis_packet()

static int vorbis_packet ( AVFormatContext *  s, int  idx  )

static

Definition at line 450 of file oggparsevorbis.c.

Variable Documentation

ff_vorbis_codec

const struct ogg_codec ff_vorbis_codec

Initial value:

= {
    .magic     = "\001vorbis",
    .magicsize = 7,
    .header    = vorbis_header,
    .packet    = vorbis_packet,
    .cleanup   = vorbis_cleanup,
    .nb_header = 3,
}

Definition at line 613 of file oggparsevorbis.c.