The Tor Browser: content/media/webaudio/test/test_mediaStreamAudioDestinationNode.html@6474c204b198 (annotated)

content/media/webaudio/test/test_mediaStreamAudioDestinationNode.html@6474c204b198 (annotated)

Wed, 31 Dec 2014 06:09:35 +0100

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

 <!DOCTYPE HTML>
 <html>
 <head>
   <title>Test MediaStreamAudioDestinationNode</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">
 <audio id="audioelem"></audio>
 <script class="testbody" type="text/javascript">
 SimpleTest.waitForExplicitFinish();
 addLoadEvent(function() {
   var context = new AudioContext();
   var buffer = context.createBuffer(1, 2048, context.sampleRate);
   for (var i = 0; i < 2048; ++i) {
     buffer.getChannelData(0)[i] = Math.sin(440 * 2 * Math.PI * i / context.sampleRate);
   }
   var source = context.createBufferSource();
   source.buffer = buffer;
   var dest = context.createMediaStreamDestination();
   source.connect(dest);
   var elem = document.getElementById('audioelem');
   elem.mozSrcObject = dest.stream;
   elem.onloadedmetadata = function() {
     ok(true, "got metadata event");
     setTimeout(function() {
       is(elem.played.length, 1, "should have a played interval");
       is(elem.played.start(0), 0, "should have played immediately");
       isnot(elem.played.end(0), 0, "should have played for a non-zero interval");
       SimpleTest.finish();
     }, 2000);
   };
   source.start(0);
   elem.play();
 });
 </script>