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