X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavformat%2Foggdec.h;h=918378d2eaf6d5c2d7af3be9253551bc28ab7371;hb=4da3f410d176dd1a55d7cbe5d2e2ead342027f13;hp=d238e99a4b047d9becd76f91c205b3a3672943a7;hpb=9686df2be543b740ec71e6ef633f312b8592813f;p=ffmpeg diff --git a/libavformat/oggdec.h b/libavformat/oggdec.h index d238e99a4b0..918378d2eaf 100644 --- a/libavformat/oggdec.h +++ b/libavformat/oggdec.h @@ -26,14 +26,36 @@ #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); - uint64_t (*gptopts)(AVFormatContext *, int, uint64_t); + /** + * 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 { @@ -43,14 +65,23 @@ struct ogg_stream { unsigned int pstart; unsigned int psize; unsigned int pflags; + unsigned int pduration; uint32_t serial; - uint32_t seq; - uint64_t granule, lastgp; + 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; - struct ogg_codec *codec; + 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 nb_header; ///< set to the number of parsed headers void *private; }; @@ -67,7 +98,6 @@ struct ogg { int nstreams; int headers; int curidx; - uint64_t size; struct ogg_state *state; }; @@ -75,16 +105,53 @@ struct ogg { #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 vorbis_comment(AVFormatContext *ms, uint8_t *buf, int size); +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 */