72lions

/**
 * Is triggered when a chunk is loaded
 */
var _onChunkLoaded = function() {

// Concat two ArrayBuffers into a new one
_activeBuffer = _appendBuffer(_activeBuffer, _request.response);

// Use decodeAudioData for creating an AudioBuffer,
// so that we don't block the main thread.

72lions

/**
 * It is responsible for loading all the different chunks
 *
 * @private
 * @type {XMLHttpRequest}
 */
var _request = new XMLHttpRequest();

// Set the responseType to arraybuffer
_request.responseType = 'arraybuffer';

72lions

// Adding a bit of  scheduling so that we won't have single digit milisecond overlaps.
// Thanks to Chris Wilson for his suggestion.
var scheduledTime = 0.015;

try {
  _audioSource.stop(scheduledTime);
} catch (e) {}

_audioSource = _context.createBufferSource();
_audioSource.buffer = _audioBuffer;

72lions

/**
 * Creates a new Uint8Array based on two different ArrayBuffers
 *
 * @private
 * @param {ArrayBuffers} buffer1 The first buffer.
 * @param {ArrayBuffers} buffer2 The second buffer.
 * @return {ArrayBuffers} The new ArrayBuffer created out of the two.
 */
var _appendBuffer = function(buffer1, buffer2) {
  var tmp = new Uint8Array(buffer1.byteLength + buffer2.byteLength);