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ffmpeg / libavformat / ogg2.h @ d2062ff6

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/**
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    Copyright (C) 2005  Michael Ahlberg, Måns Rullgård
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    Permission is hereby granted, free of charge, to any person
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    obtaining a copy of this software and associated documentation
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    files (the "Software"), to deal in the Software without
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    restriction, including without limitation the rights to use, copy,
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    modify, merge, publish, distribute, sublicense, and/or sell copies
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    of the Software, and to permit persons to whom the Software is
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    furnished to do so, subject to the following conditions:
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    The above copyright notice and this permission notice shall be
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    included in all copies or substantial portions of the Software.
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    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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    EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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    MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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    NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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    HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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    WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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    OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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    DEALINGS IN THE SOFTWARE.
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**/
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#ifndef OGG_H
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#define OGG_H
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#include "avformat.h"
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typedef struct ogg_codec {
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    int8_t *magic;
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    uint8_t magicsize;
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    int8_t *name;
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    int (*header)(AVFormatContext *, int);
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    int (*packet)(AVFormatContext *, int);
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    uint64_t (*gptopts)(AVFormatContext *, int, uint64_t);
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} ogg_codec_t;
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typedef struct ogg_stream {
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    uint8_t *buf;
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    unsigned int bufsize;
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    unsigned int bufpos;
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    unsigned int pstart;
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    unsigned int psize;
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    uint32_t serial;
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    uint32_t seq;
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    uint64_t granule, lastgp;
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    int flags;
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    ogg_codec_t *codec;
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    int header;
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    int nsegs, segp;
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    uint8_t segments[255];
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    void *private;
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} ogg_stream_t;
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typedef struct ogg_state {
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    uint64_t pos;
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    int curidx;
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    struct ogg_state *next;
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    int nstreams;
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    ogg_stream_t streams[1];
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} ogg_state_t;
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typedef struct ogg {
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    ogg_stream_t *streams;
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    int nstreams;
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    int headers;
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    int curidx;
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    uint64_t size;
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    ogg_state_t *state;
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} ogg_t;
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#define OGG_FLAG_CONT 1
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#define OGG_FLAG_BOS  2
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#define OGG_FLAG_EOS  4
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extern ogg_codec_t vorbis_codec;
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extern ogg_codec_t theora_codec;
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extern ogg_codec_t flac_codec;
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extern ogg_codec_t ogm_video_codec;
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extern ogg_codec_t ogm_audio_codec;
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extern ogg_codec_t ogm_old_codec;
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extern int vorbis_comment(AVFormatContext *ms, uint8_t *buf, int size);
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#endif