MP4SetTrackIntegerProperty(m->file, mux_data->track, "mdia.minf.stbl.stsd.tx3g.dataReferenceIndex", 1);
MP4SetTrackIntegerProperty(m->file, mux_data->track, "mdia.minf.stbl.stsd.tx3g.horizontalJustification", 1);
MP4SetTrackIntegerProperty(m->file, mux_data->track, "mdia.minf.stbl.stsd.tx3g.dataReferenceIndex", 1);
MP4SetTrackIntegerProperty(m->file, mux_data->track, "mdia.minf.stbl.stsd.tx3g.horizontalJustification", 1);