libavformat/oggdec.c File Reference

#include <stdio.h>
#include "oggdec.h"
#include "avformat.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_find_stream (struct ogg *ogg, int serial)
static int	ogg_new_stream (AVFormatContext *s, uint32_t serial)
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)
static int	ogg_get_headers (AVFormatContext *s)
static uint64_t	ogg_gptopts (AVFormatContext *s, int i, uint64_t gp)
static int	ogg_get_length (AVFormatContext *s)
static int	ogg_read_header (AVFormatContext *s, AVFormatParameters *ap)
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_probe (AVProbeData *p)
Variables
static struct ogg_codec *const	ogg_codecs []
AVInputFormat	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

Copyright (C) 2005 Michael Ahlberg, Måns Rullgård.

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

Definition at line 140 of file oggdec.c.

Referenced by ogg_packet().

static int ogg_find_stream	(	struct ogg *	ogg,
		int	serial
	)			[static]

Definition at line 153 of file oggdec.c.

Referenced by ogg_read_page().

static int ogg_get_headers

(

AVFormatContext *

s

)

[static]

Definition at line 413 of file oggdec.c.

Referenced by ogg_read_header().

static int ogg_get_length

(

AVFormatContext *

s

)

[static]

Definition at line 447 of file oggdec.c.

Referenced by ogg_read_header().

static uint64_t ogg_gptopts	(	AVFormatContext *	s,
		int	i,
		uint64_t	gp
	)			[static]

Definition at line 430 of file oggdec.c.

Referenced by ogg_get_length(), ogg_read_packet(), and ogg_read_timestamp().

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

Definition at line 192 of file oggdec.c.

Referenced by ogg_read_page().

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

Definition at line 165 of file oggdec.c.

Referenced by ogg_read_page().

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

Definition at line 313 of file oggdec.c.

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

static int ogg_probe

(

AVProbeData *

p

)

[static]

Definition at line 580 of file oggdec.c.

static int ogg_read_close

(

AVFormatContext *

s

)

[static]

Definition at line 543 of file oggdec.c.

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

Definition at line 487 of file oggdec.c.

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

Definition at line 510 of file oggdec.c.

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

Definition at line 209 of file oggdec.c.

Referenced by ogg_get_length(), ogg_packet(), and ogg_read_timestamp().

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

Definition at line 558 of file oggdec.c.

static int ogg_reset

(

struct ogg *

ogg

)

[static]

Definition at line 119 of file oggdec.c.

Referenced by ogg_read_timestamp().

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

Definition at line 80 of file oggdec.c.

Referenced by ogg_get_length().

static int ogg_save

(

AVFormatContext *

s

)

[static]

Definition at line 55 of file oggdec.c.

Referenced by ogg_get_length().

---

Variable Documentation

struct ogg_codec* const ogg_codecs[] [static]

Initial value:

 {
    &ff_speex_codec,
    &ff_vorbis_codec,
    &ff_theora_codec,
    &ff_flac_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.

AVInputFormat ogg_demuxer

Initial value:

 {
    "ogg",
    NULL_IF_CONFIG_SMALL("Ogg"),
    sizeof (struct ogg),
    ogg_probe,
    ogg_read_header,
    ogg_read_packet,
    ogg_read_close,
    NULL,
    ogg_read_timestamp,
    .extensions = "ogg",
}

Definition at line 590 of file oggdec.c.