Function parseType

m3u8/mux-mp4.js:237–247

(header, byteIndex)

};

var parseType = function(header, byteIndex) {
  if ((header[byteIndex] === 'I'.charCodeAt(0)) &&
      (header[byteIndex + 1] === 'D'.charCodeAt(0)) &&
      (header[byteIndex + 2] === '3'.charCodeAt(0))) {
    return 'timed-metadata';
  } else if ((header[byteIndex] & 0xff === 0xff) &&
             ((header[byteIndex + 1] & 0xf0) === 0xf0)) {
    return 'audio';
  }
  return null;
};

var parseSampleRate = function(packet) {
  var i = 0;