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/* Taken from
function BufferLoader(context, urlList, callback) {
this.context = context;
this.urlList = urlList;
this.onload = callback;
this.bufferList = new Array();
this.loadCount = 0;
}
BufferLoader.prototype.loadBuffer = function(url, index) {
// Load buffer asynchronously
var request = new XMLHttpRequest();
request.open("GET", url, true);
request.responseType = "arraybuffer";
var loader = this;
request.onload = function() {
loader.context.decodeAudioData(request.response, decodeSuccessCallback, decodeErrorCallback);
};
request.onerror = function() {
alert('BufferLoader: XHR error');
};
var decodeSuccessCallback = function(buffer) {
loader.bufferList[index] = buffer;
if (++loader.loadCount == loader.urlList.length)
loader.onload(loader.bufferList);
};
var decodeErrorCallback = function() {
alert('decodeErrorCallback: decode error');
};
request.send();
}
BufferLoader.prototype.load = function() {
for (var i = 0; i < this.urlList.length; ++i)
this.loadBuffer(this.urlList[i], i);
}