getTimeStamp = function getTimeStamp(data) {
  var frames = getID3Frames(data);

  for (var i = 0; i < frames.length; i++) {
    var frame = frames[i];

    if (isTimeStampFrame(frame)) {
      return readTimeStamp(frame);
    }
  }

  return undefined;
}
Searches for the Elementary Stream timestamp found in the ID3 data chunk
@param {Uint8Array} data - Block of data containing one or more ID3 tags
@return {number | undefined} - The timestamp