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Diffstat (limited to 'ffmpeg/libavformat/oggdec.h')
| -rw-r--r-- | ffmpeg/libavformat/oggdec.h | 161 |
1 files changed, 0 insertions, 161 deletions
diff --git a/ffmpeg/libavformat/oggdec.h b/ffmpeg/libavformat/oggdec.h deleted file mode 100644 index c31859f..0000000 --- a/ffmpeg/libavformat/oggdec.h +++ /dev/null @@ -1,161 +0,0 @@ -/** - 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. -**/ - -#ifndef AVFORMAT_OGGDEC_H -#define AVFORMAT_OGGDEC_H - -#include "avformat.h" -#include "metadata.h" - -struct ogg_codec { - const int8_t *magic; - uint8_t magicsize; - const int8_t *name; - /** - * Attempt to process a packet as a header - * @return 1 if the packet was a valid header, - * 0 if the packet was not a header (was a data packet) - * -1 if an error occurred or for unsupported stream - */ - int (*header)(AVFormatContext *, int); - int (*packet)(AVFormatContext *, int); - /** - * Translate a granule into a timestamp. - * Will set dts if non-null and known. - * @return pts - */ - uint64_t (*gptopts)(AVFormatContext *, int, uint64_t, int64_t *dts); - /** - * 1 if granule is the start time of the associated packet. - * 0 if granule is the end time of the associated packet. - */ - int granule_is_start; - /** - * Number of expected headers - */ - int nb_header; - void (*cleanup)(AVFormatContext *s, int idx); -}; - -struct ogg_stream { - uint8_t *buf; - unsigned int bufsize; - unsigned int bufpos; - unsigned int pstart; - unsigned int psize; - unsigned int pflags; - unsigned int pduration; - uint32_t serial; - uint64_t granule; - uint64_t start_granule; - int64_t lastpts; - int64_t lastdts; - int64_t sync_pos; ///< file offset of the first page needed to reconstruct the current packet - int64_t page_pos; ///< file offset of the current page - int flags; - const struct ogg_codec *codec; - int header; - int nsegs, segp; - uint8_t segments[255]; - int incomplete; ///< whether we're expecting a continuation in the next page - int page_end; ///< current packet is the last one completed in the page - int keyframe_seek; - int got_start; - int got_data; ///< 1 if the stream got some data (non-initial packets), 0 otherwise - int nb_header; ///< set to the number of parsed headers - int end_trimming; ///< set the number of packets to drop from the end - void *private; -}; - -struct ogg_state { - uint64_t pos; - int curidx; - struct ogg_state *next; - int nstreams; - struct ogg_stream streams[1]; -}; - -struct ogg { - struct ogg_stream *streams; - int nstreams; - int headers; - int curidx; - int64_t page_pos; ///< file offset of the current page - struct ogg_state *state; -}; - -#define OGG_FLAG_CONT 1 -#define OGG_FLAG_BOS 2 -#define OGG_FLAG_EOS 4 - -#define OGG_NOGRANULE_VALUE (-1ull) - -extern const struct ogg_codec ff_celt_codec; -extern const struct ogg_codec ff_dirac_codec; -extern const struct ogg_codec ff_flac_codec; -extern const struct ogg_codec ff_ogm_audio_codec; -extern const struct ogg_codec ff_ogm_old_codec; -extern const struct ogg_codec ff_ogm_text_codec; -extern const struct ogg_codec ff_ogm_video_codec; -extern const struct ogg_codec ff_old_dirac_codec; -extern const struct ogg_codec ff_old_flac_codec; -extern const struct ogg_codec ff_opus_codec; -extern const struct ogg_codec ff_skeleton_codec; -extern const struct ogg_codec ff_speex_codec; -extern const struct ogg_codec ff_theora_codec; -extern const struct ogg_codec ff_vorbis_codec; - -int ff_vorbis_comment(AVFormatContext *ms, AVDictionary **m, const uint8_t *buf, int size); - -static inline int -ogg_find_stream (struct ogg * ogg, int serial) -{ - int i; - - for (i = 0; i < ogg->nstreams; i++) - if (ogg->streams[i].serial == serial) - return i; - - return -1; -} - -static inline uint64_t -ogg_gptopts (AVFormatContext * s, int i, uint64_t gp, int64_t *dts) -{ - struct ogg *ogg = s->priv_data; - struct ogg_stream *os = ogg->streams + i; - uint64_t pts = AV_NOPTS_VALUE; - - if(os->codec && os->codec->gptopts){ - pts = os->codec->gptopts(s, i, gp, dts); - } else { - pts = gp; - if (dts) - *dts = pts; - } - - return pts; -} - -#endif /* AVFORMAT_OGGDEC_H */ |