text: BoxParser.createFullBoxCtor("dref", function(stream) {
  	var ret;
  	var box;
  	this.entries = [];
  	var entry_count = stream.readUint32();
  	for (var i = 0; i < entry_count; i++) {
  		ret = BoxParser.parseOneBox(stream, false, this.size - (stream.getPosition() - this.start));
  		if (ret.code === BoxParser.OK) {
  			box = ret.box;
  			this.entries.push(box);
  		} else {
  			return;
  		}
  	}
  });
  
  