test_peerConnection_webAudio.html

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<head>

  <script type="application/javascript" src="pc.js"></script>

</head>

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<pre id="test">

<script type="application/javascript">

createHTML({

  bug: "1081819",

  title: "WebAudio on both input and output side of peerconnection"

});

// This tests WebAudio (a 700Hz OscillatorNode) as input to a PeerConnection.

// It also tests that a PeerConnection works as input to WebAudio as the remote

// stream is connected to an AnalyserNode and compared to the source node.

runNetworkTest(function() {

  const test = new PeerConnectionTest();

  test.audioContext = new AudioContext();

  test.setMediaConstraints([{audio: true}], []);

  test.chain.replace("PC_LOCAL_GUM", [

    function PC_LOCAL_WEBAUDIO_SOURCE(test) {

      const oscillator = test.audioContext.createOscillator();

      oscillator.type = 'sine';

      oscillator.frequency.value = 700;

      oscillator.start();

      const dest = test.audioContext.createMediaStreamDestination();

      oscillator.connect(dest);

      test.pcLocal.attachLocalStream(dest.stream);

]);

  test.chain.append([

    function CHECK_AUDIO_FLOW(test) {

      return test.pcRemote.checkReceivingToneFrom(test.audioContext, test.pcLocal);

]);

  return test.run();

});

</script>

</pre>

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</html>