dom/media/webaudio/test/test_analyserNodePassThrough.html
author Julien Cristau <jcristau@mozilla.com>
Mon, 20 Mar 2023 10:45:48 +0000
changeset 657187 caabe78a05aef594369db335bb9d1098ec328c33
parent 491143 3b3c5e0e1bc4a58d8a7d5718745cc41153e06a76
permissions -rw-r--r--
Bug 1822594 - remove webrender test schedule. r=jmaher,ahal Since webrender was enabled by default this was causing pushes with webrender-only changes to wrongly optimize out most tests. Differential Revision: https://phabricator.services.mozilla.com/D172778

<!DOCTYPE HTML>
<html>
<head>
  <title>Test AnalyserNode with passthrough</title>
  <script 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(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(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>