projects / libav.git / blame
| Commit | Line | Data |
|---|---|---|
| 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 | ||
| 25 | #ifndef OGG_H | |
| 26 | #define OGG_H | |
| 27 | ||
| 28 | #include "avformat.h" | |
| 29 | ||
| 30 | typedef struct ogg_codec { | |
| 31 | uint8_t *magic; | |
| 32 | uint8_t magicsize; | |
| 33 | int8_t *name; | |
| 34 | int (*header)(AVFormatContext *, int); | |
| 35 | int (*packet)(AVFormatContext *, int); | |
| 36 | } ogg_codec_t; | |
| 37 | ||
| 38 | typedef struct ogg_stream { | |
| 39 | uint8_t *buf; | |
| 40 | unsigned int bufsize; | |
| 41 | unsigned int bufpos; | |
| 42 | unsigned int pstart; | |
| 43 | unsigned int psize; | |
| 44 | uint32_t serial; | |
| 45 | uint32_t seq; | |
| 46 | uint64_t granule, lastgp; | |
| 47 | int flags; | |
| 48 | ogg_codec_t *codec; | |
| 49 | int header; | |
| 50 | int nsegs, segp; | |
| 51 | uint8_t segments[255]; | |
| 52 | } ogg_stream_t; | |
| 53 | ||
| 54 | typedef struct ogg_state { | |
| 55 | uint64_t pos; | |
| 56 | int curidx; | |
| 57 | struct ogg_state *next; | |
| ad3aa874 | 58 | ogg_stream_t streams[1]; |
| 9146ca37 MR |
59 | } ogg_state_t; |
| 60 | ||
| 61 | typedef struct ogg { | |
| 62 | ogg_stream_t *streams; | |
| 63 | int nstreams; | |
| 64 | int headers; | |
| 65 | int curidx; | |
| 66 | uint64_t size; | |
| 67 | ogg_state_t *state; | |
| 68 | } ogg_t; | |
| 69 | ||
| 70 | #define OGG_FLAG_CONT 1 | |
| 71 | #define OGG_FLAG_BOS 2 | |
| 72 | #define OGG_FLAG_EOS 4 | |
| 73 | ||
| 74 | extern ogg_codec_t vorbis_codec; | |
| 75 | #if 0 | |
| 76 | extern ogg_codec_t ogm_video_codec; | |
| 77 | extern ogg_codec_t ogm_audio_codec; | |
| 78 | extern ogg_codec_t ogm_old_codec; | |
| 79 | extern ogg_codec_t flac_codec; | |
| 80 | #endif | |
| 81 | ||
| 82 | extern int vorbis_comment(AVFormatContext *ms, char *buf, int size); | |
| 83 | ||
| 84 | #endif |