File: test-analyser-output.html

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<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <title>AnalyserNode output</title>
  <meta name="timeout" content="long">
  <script src="/resources/testharness.js"></script>
  <script src="/resources/testharnessreport.js"></script>
  <script src="/webaudio/js/helpers.js"></script>
  <script>
var gTest = {
  length: 2048,
  numberOfChannels: 1,
  createGraph: function(context) {
    var source = context.createBufferSource();

    var analyser = context.createAnalyser();

    source.buffer = this.buffer;

    source.connect(analyser);

    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("AnalyserNode output");
  </script>
</head>
</body>
</html>