static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov, AVFormatContext *s) { int i; int64_t pos = avio_tell(pb); avio_wb32(pb, 0); /* size placeholder*/ ffio_wfourcc(pb, "moov"); for (i = 0; i < mov->nb_streams; i++) { if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT)) continue; mov->tracks[i].time = mov->time; mov->tracks[i].track_id = i + 1; if (mov->tracks[i].entry) build_chunks(&mov->tracks[i]); } if (mov->chapter_track) for (i = 0; i < s->nb_streams; i++) { mov->tracks[i].tref_tag = MKTAG('c','h','a','p'); mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].track_id; } for (i = 0; i < mov->nb_streams; i++) { if (mov->tracks[i].tag == MKTAG('r','t','p',' ')) { mov->tracks[i].tref_tag = MKTAG('h','i','n','t'); mov->tracks[i].tref_id = mov->tracks[mov->tracks[i].src_track].track_id; } } for (i = 0; i < mov->nb_streams; i++) { if (mov->tracks[i].tag == MKTAG('t','m','c','d')) { int src_trk = mov->tracks[i].src_track; mov->tracks[src_trk].tref_tag = mov->tracks[i].tag; mov->tracks[src_trk].tref_id = mov->tracks[i].track_id; //src_trk may have a different timescale than the tmcd track mov->tracks[i].track_duration = av_rescale(mov->tracks[src_trk].track_duration, mov->tracks[i].timescale, mov->tracks[src_trk].timescale); } } mov_write_mvhd_tag(pb, mov); if (mov->mode != MODE_MOV && !mov->iods_skip) mov_write_iods_tag(pb, mov); for (i = 0; i < mov->nb_streams; i++) { if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_FRAGMENT) { mov_write_trak_tag(pb, mov, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL); } } if (mov->flags & FF_MOV_FLAG_FRAGMENT) mov_write_mvex_tag(pb, mov); /* QuickTime requires trak to precede this */ if (mov->mode == MODE_PSP) mov_write_uuidusmt_tag(pb, s); else mov_write_udta_tag(pb, mov, s); return update_size(pb, pos); }