}
}
//TODO: support hint and meta
private Track createTrack(Box trak) {
final HandlerBox hdlr = (HandlerBox) trak.getChild(BoxTypes.MEDIA_BOX).getChild(BoxTypes.HANDLER_BOX);
final Track track;
switch((int) hdlr.getHandlerType()) {
case HandlerBox.TYPE_VIDEO:
track = new VideoTrack(trak, in);
break;
case HandlerBox.TYPE_SOUND:
track = new AudioTrack(trak, in);