dom/media/webaudio/test/test_oscillatorNodeStart.html
author Mike Hommey <mh+mozilla@glandium.org>
Thu, 30 Mar 2023 21:05:14 +0000
changeset 658668 ca68babc98877646aaa01679c986cb98e73dbfbc
parent 469641 ba6f655fd68963530c866d0d4a48c3db3d307777
permissions -rw-r--r--
Bug 1825478 - Update bindgen to 0.64. r=emilio,necko-reviewers,supply-chain-reviewers,valentin Differential Revision: https://phabricator.services.mozilla.com/D174054

<!DOCTYPE HTML>
<html>
<head>
  <title>Test the OscillatorNode interface</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<pre id="test">
<script class="testbody" type="text/javascript">

SimpleTest.waitForExplicitFinish();
addLoadEvent(function() {

  var context = new AudioContext();
  var osc = context.createOscillator();
  var sp = context.createScriptProcessor(0, 1, 0);

  osc.connect(sp);

  sp.onaudioprocess = function (e) {
    var input = e.inputBuffer.getChannelData(0);
    var isSilent = true;
    for (var i = 0; i < input.length; i++) {
      if (input[i] != 0.0) {
        isSilent = false;
      }
    }
    sp.onaudioprocess = null;
    ok(isSilent, "OscillatorNode should be silent before calling start.");
    SimpleTest.finish();
  }
});

</script>
</pre>
</body>
</html>