tenfourfox/dom/media/webaudio/test/test_analyserNodePassThrough.html

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2017-04-19 07:56:45 +00:00
<!DOCTYPE HTML>
<html>
<head>
<title>Test AnalyserNode with passthrough</title>
<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<script type="text/javascript" src="webaudio.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<pre id="test">
<script class="testbody" type="text/javascript">
var gTest = {
length: 2048,
numberOfChannels: 1,
createGraph: function(context) {
var source = context.createBufferSource();
var analyser = context.createAnalyser();
source.buffer = this.buffer;
source.connect(analyser);
var analyserWrapped = SpecialPowers.wrap(analyser);
ok("passThrough" in analyserWrapped, "AnalyserNode should support the passThrough API");
analyserWrapped.passThrough = true;
source.start(0);
return analyser;
},
createExpectedBuffers: function(context) {
this.buffer = context.createBuffer(1, 2048, context.sampleRate);
for (var i = 0; i < 2048; ++i) {
this.buffer.getChannelData(0)[i] = Math.sin(440 * 2 * Math.PI * i / context.sampleRate);
}
return [this.buffer];
},
};
runTest();
</script>
</pre>
</body>
</html>