String pointers of ogg_codec_t should have const attribute.
[libav.git] / libavformat / oggdec.h
CommitLineData
9146ca37
MR
1/**
2 Copyright (C) 2005 Michael Ahlberg, Måns Rullgård
3
4 Permission is hereby granted, free of charge, to any person
5 obtaining a copy of this software and associated documentation
6 files (the "Software"), to deal in the Software without
7 restriction, including without limitation the rights to use, copy,
8 modify, merge, publish, distribute, sublicense, and/or sell copies
9 of the Software, and to permit persons to whom the Software is
10 furnished to do so, subject to the following conditions:
11
12 The above copyright notice and this permission notice shall be
13 included in all copies or substantial portions of the Software.
14
15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
18 NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
19 HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
20 WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22 DEALINGS IN THE SOFTWARE.
23**/
24
a0ddef24
DB
25#ifndef FFMPEG_OGGDEC_H
26#define FFMPEG_OGGDEC_H
9146ca37
MR
27
28#include "avformat.h"
29
30typedef struct ogg_codec {
c9011976 31 const int8_t *magic;
9146ca37 32 uint8_t magicsize;
c9011976 33 const int8_t *name;
9146ca37
MR
34 int (*header)(AVFormatContext *, int);
35 int (*packet)(AVFormatContext *, int);
1ed923ea 36 uint64_t (*gptopts)(AVFormatContext *, int, uint64_t);
9146ca37
MR
37} ogg_codec_t;
38
39typedef struct ogg_stream {
40 uint8_t *buf;
41 unsigned int bufsize;
42 unsigned int bufpos;
43 unsigned int pstart;
44 unsigned int psize;
e1a794b2 45 unsigned int pflags;
9146ca37
MR
46 uint32_t serial;
47 uint32_t seq;
48 uint64_t granule, lastgp;
49 int flags;
50 ogg_codec_t *codec;
51 int header;
52 int nsegs, segp;
53 uint8_t segments[255];
1ed923ea 54 void *private;
9146ca37
MR
55} ogg_stream_t;
56
57typedef struct ogg_state {
58 uint64_t pos;
59 int curidx;
60 struct ogg_state *next;
20be72c8 61 int nstreams;
ad3aa874 62 ogg_stream_t streams[1];
9146ca37
MR
63} ogg_state_t;
64
65typedef struct ogg {
66 ogg_stream_t *streams;
67 int nstreams;
68 int headers;
69 int curidx;
70 uint64_t size;
71 ogg_state_t *state;
72} ogg_t;
73
74#define OGG_FLAG_CONT 1
75#define OGG_FLAG_BOS 2
76#define OGG_FLAG_EOS 4
77
bcfc40ae 78extern ogg_codec_t flac_codec;
9146ca37
MR
79extern ogg_codec_t ogm_audio_codec;
80extern ogg_codec_t ogm_old_codec;
5f359c8d
DB
81extern ogg_codec_t ogm_text_codec;
82extern ogg_codec_t ogm_video_codec;
83extern ogg_codec_t old_flac_codec;
84extern ogg_codec_t theora_codec;
85extern ogg_codec_t vorbis_codec;
9146ca37 86
191e8ca7 87extern int vorbis_comment(AVFormatContext *ms, uint8_t *buf, int size);
9146ca37 88
a0ddef24 89#endif /* FFMPEG_OGGDEC_H */