mirror of
https://github.com/mpv-player/mpv
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73 lines
2.2 KiB
C
73 lines
2.2 KiB
C
#ifndef MP_TIMELINE_H_
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#define MP_TIMELINE_H_
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#include "common/common.h"
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#include "misc/bstr.h"
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// Single segment in a timeline.
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struct timeline_part {
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// (end time must match with start time of the next part)
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double start, end;
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double source_start;
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char *url;
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struct demuxer *source;
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};
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// Timeline formed by a single demuxer. Multiple pars are used to get tracks
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// that require a separate opened demuxer, such as separate audio tracks. (For
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// example, for ordered chapters there is only a single par, because all streams
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// demux from the same file at a given time, while for DASH-style video+audio,
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// each track would have its own timeline.)
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// Note that demuxer instances must not be shared across timeline_pars. This
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// would conflict in demux_timeline.c.
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// "par" is short for parallel stream.
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struct timeline_par {
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bstr init_fragment;
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bool dash, no_clip, delay_open;
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// Of any of these, _some_ fields are used. If delay_open==true, this
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// describes each sub-track, and the codec info is used.
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// In both cases, the metadata is mapped to actual tracks in specific ways.
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struct sh_stream **sh_meta;
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int num_sh_meta;
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// Segments to play, ordered by time.
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struct timeline_part *parts;
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int num_parts;
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// Which source defines the overall track list (over the full timeline).
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struct demuxer *track_layout;
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};
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struct timeline {
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struct mpv_global *global;
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struct mp_log *log;
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struct mp_cancel *cancel;
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bool is_network, is_streaming;
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int stream_origin;
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const char *format;
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// main source, and all other sources (this usually only has special meaning
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// for memory management; mostly compensates for the lack of refcounting)
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struct demuxer *demuxer;
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struct demuxer **sources;
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int num_sources;
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// Description of timeline ranges, possibly multiple parallel ones.
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struct timeline_par **pars;
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int num_pars;
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struct demux_chapter *chapters;
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int num_chapters;
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// global tags, attachments, editions
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struct demuxer *meta;
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};
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struct timeline *timeline_load(struct mpv_global *global, struct mp_log *log,
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struct demuxer *demuxer);
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void timeline_destroy(struct timeline *tl);
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#endif
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