libavformat/oggdec.c File Reference

#include <stdio.h>
#include "oggdec.h"
#include "avformat.h"
#include "vorbiscomment.h"

Go to the source code of this file.

Defines

#define MAX_PAGE_SIZE 65307

Copyright (C) 2005 Michael Ahlberg, Måns Rullgård.

#define DECODER_BUFFER_SIZE MAX_PAGE_SIZE

Functions

static int ogg_save (AVFormatContext *s)

static int ogg_restore (AVFormatContext *s, int discard)

static int ogg_reset (struct ogg *ogg)

static struct ogg_codec * ogg_find_codec (uint8_t *buf, int size)

static int ogg_new_stream (AVFormatContext *s, uint32_t serial, int new_avstream)

static int ogg_new_buf (struct ogg *ogg, int idx)

static int ogg_read_page (AVFormatContext *s, int *str)

static int ogg_packet (AVFormatContext *s, int *str, int *dstart, int *dsize, int64_t *fpos)

static int ogg_get_headers (AVFormatContext *s)

static int ogg_get_length (AVFormatContext *s)

static int ogg_read_header (AVFormatContext *s, AVFormatParameters *ap)

static int64_t ogg_calc_pts (AVFormatContext *s, int idx, int64_t *dts)

static int ogg_read_packet (AVFormatContext *s, AVPacket *pkt)

static int ogg_read_close (AVFormatContext *s)

static int64_t ogg_read_timestamp (AVFormatContext *s, int stream_index, int64_t *pos_arg, int64_t pos_limit)

static int ogg_read_seek (AVFormatContext *s, int stream_index, int64_t timestamp, int flags)

static int ogg_probe (AVProbeData *p)

Variables

static struct ogg_codec *const ogg_codecs []

AVInputFormat ff_ogg_demuxer

Define Documentation

#define DECODER_BUFFER_SIZE MAX_PAGE_SIZE

Definition at line 38 of file oggdec.c.

Referenced by ogg_new_stream().

#define MAX_PAGE_SIZE 65307

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

Definition at line 37 of file oggdec.c.

Referenced by ogg_get_length(), and ogg_read_page().

Function Documentation

static int64_t ogg_calc_pts	(	AVFormatContext *	s,
		int	idx,
		int64_t *	dts
	)			`[static]`

Definition at line 529 of file oggdec.c.

Referenced by ogg_read_packet(), and ogg_read_timestamp().

static struct ogg_codec* ogg_find_codec	(	uint8_t *	buf,
		int	size
	)			`[static, read]`

Definition at line 144 of file oggdec.c.

Referenced by ogg_packet().

static int ogg_get_headers ( AVFormatContext * s ) [static]

Definition at line 443 of file oggdec.c.

Referenced by ogg_read_header().

static int ogg_get_length ( AVFormatContext * s ) [static]

Definition at line 459 of file oggdec.c.

Referenced by ogg_read_header().

static int ogg_new_buf	(	struct ogg *	ogg,
		int	idx
	)			`[static]`

Definition at line 184 of file oggdec.c.

Referenced by ogg_read_page().

static int ogg_new_stream	(	AVFormatContext *	s,
		uint32_t	serial,
		int	new_avstream
	)			`[static]`

Definition at line 156 of file oggdec.c.

Referenced by ogg_read_page().

static int ogg_packet	(	AVFormatContext *	s,
		int *	str,
		int *	dstart,
		int *	dsize,
		int64_t *	fpos
	)			`[static]`

Definition at line 318 of file oggdec.c.

Referenced by encode_frame(), encode_init(), ogg_get_headers(), ogg_read_packet(), ogg_read_timestamp(), oggvorbis_encode_frame(), and oggvorbis_encode_init().

static int ogg_probe ( AVProbeData * p ) [static]

Definition at line 656 of file oggdec.c.

static int ogg_read_close ( AVFormatContext * s ) [static]

Definition at line 599 of file oggdec.c.

static int ogg_read_header	(	AVFormatContext *	s,
		AVFormatParameters *	ap
	)			`[static]`

Definition at line 507 of file oggdec.c.

static int ogg_read_packet	(	AVFormatContext *	s,
		AVPacket *	pkt
	)			`[static]`

Definition at line 559 of file oggdec.c.

static int ogg_read_page	(	AVFormatContext *	s,
		int *	str
	)			`[static]`

Definition at line 200 of file oggdec.c.

Referenced by ogg_get_length(), and ogg_packet().

static int ogg_read_seek	(	AVFormatContext *	s,
		int	stream_index,
		int64_t	timestamp,
		int	flags
	)			`[static]`

Definition at line 636 of file oggdec.c.

static int64_t ogg_read_timestamp	(	AVFormatContext *	s,
		int	stream_index,
		int64_t *	pos_arg,
		int64_t	pos_limit
	)			`[static]`

Definition at line 612 of file oggdec.c.

static int ogg_reset ( struct ogg * ogg ) [static]

Definition at line 120 of file oggdec.c.

Referenced by ogg_read_timestamp().

static int ogg_restore	(	AVFormatContext *	s,
		int	discard
	)			`[static]`

Definition at line 82 of file oggdec.c.

Referenced by ogg_get_length().

static int ogg_save ( AVFormatContext * s ) [static]

Definition at line 58 of file oggdec.c.

Referenced by ogg_get_length().

Variable Documentation

AVInputFormat ff_ogg_demuxer

Initial value:

 {
    .name           = "ogg",
    .long_name      = NULL_IF_CONFIG_SMALL("Ogg"),
    .priv_data_size = sizeof(struct ogg),
    .read_probe     = ogg_probe,
    .read_header    = ogg_read_header,
    .read_packet    = ogg_read_packet,
    .read_close     = ogg_read_close,
    .read_seek      = ogg_read_seek,
    .read_timestamp = ogg_read_timestamp,
    .extensions     = "ogg",
    .flags          = AVFMT_GENERIC_INDEX,
}

Definition at line 663 of file oggdec.c.

struct ogg_codec* const ogg_codecs[] [static]

Initial value:

 {
    &ff_skeleton_codec,
    &ff_dirac_codec,
    &ff_speex_codec,
    &ff_vorbis_codec,
    &ff_theora_codec,
    &ff_flac_codec,
    &ff_celt_codec,
    &ff_old_dirac_codec,
    &ff_old_flac_codec,
    &ff_ogm_video_codec,
    &ff_ogm_audio_codec,
    &ff_ogm_text_codec,
    &ff_ogm_old_codec,
    NULL
}

Definition at line 40 of file oggdec.c.


Defines
#define	MAX_PAGE_SIZE 65307
	Copyright (C) 2005 Michael Ahlberg, Måns Rullgård.
#define	DECODER_BUFFER_SIZE MAX_PAGE_SIZE
Functions
static int	ogg_save (AVFormatContext *s)
static int	ogg_restore (AVFormatContext *s, int discard)
static int	ogg_reset (struct ogg *ogg)
static struct ogg_codec *	ogg_find_codec (uint8_t *buf, int size)
static int	ogg_new_stream (AVFormatContext *s, uint32_t serial, int new_avstream)
static int	ogg_new_buf (struct ogg *ogg, int idx)
static int	ogg_read_page (AVFormatContext s, int str)
static int	ogg_packet (AVFormatContext s, int str, int dstart, int dsize, int64_t *fpos)
static int	ogg_get_headers (AVFormatContext *s)
static int	ogg_get_length (AVFormatContext *s)
static int	ogg_read_header (AVFormatContext s, AVFormatParameters ap)
static int64_t	ogg_calc_pts (AVFormatContext s, int idx, int64_t dts)
static int	ogg_read_packet (AVFormatContext s, AVPacket pkt)
static int	ogg_read_close (AVFormatContext *s)
static int64_t	ogg_read_timestamp (AVFormatContext s, int stream_index, int64_t pos_arg, int64_t pos_limit)
static int	ogg_read_seek (AVFormatContext *s, int stream_index, int64_t timestamp, int flags)
static int	ogg_probe (AVProbeData *p)
Variables
static struct ogg_codec *const	ogg_codecs []
AVInputFormat	ff_ogg_demuxer