#include "common/common.h"

#include "stream/stream.h"

#include "demux.h"

#include "timeline.h"

struct timeline *timeline_load(struct mpv_global *global, struct mp_log *log,

                               struct demuxer *demuxer)

{

    if (!demuxer->desc->load_timeline)

        return NULL;

    struct timeline *tl = talloc_ptrtype(NULL, tl);

    *tl = (struct timeline){

        .global = global,

        .log = log,

        .cancel = demuxer->cancel,

        .demuxer = demuxer,

        .format = "unknown",

        .stream_origin = demuxer->stream_origin,

    };

    demuxer->desc->load_timeline(tl);

    if (tl->num_pars)

        return tl;

    timeline_destroy(tl);

    return NULL;

}

void timeline_destroy(struct timeline *tl)

{

    if (!tl)

        return;

    for (int n = 0; n < tl->num_sources; n++) {

        struct demuxer *d = tl->sources[n];

        if (d != tl->demuxer)

            demux_free(d);

    }

    talloc_free(tl);

}