The Tor Browser: content/media/webaudio/test/test_offlineDestinationChannelCountLess.html@b8a032363ba2 (annotated)

content/media/webaudio/test/test_offlineDestinationChannelCountLess.html@b8a032363ba2 (annotated)

Thu, 22 Jan 2015 13:21:57 +0100

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

 <!DOCTYPE HTML>
 <html>
 <head>
   <title>Test OfflineAudioContext with a channel count less than the specified number</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">
 <script class="testbody" type="text/javascript">
 SimpleTest.waitForExplicitFinish();
 addLoadEvent(function() {
   var ctx = new OfflineAudioContext(2, 100, 22050);
   var buf = ctx.createBuffer(6, 100, ctx.sampleRate);
   for (var i = 0; i < 6; ++i) {
     for (var j = 0; j < 100; ++j) {
       buf.getChannelData(i)[j] = Math.sin(2 * Math.PI * 200 * j / ctx.sampleRate);
     }
   }
   var src = ctx.createBufferSource();
   src.buffer = buf;
   src.start(0);
   src.connect(ctx.destination);
   ctx.destination.channelCountMode = "max";
   ctx.startRendering();
   ctx.oncomplete = function(e) {
     is(e.renderedBuffer.numberOfChannels, 2, "Correct expected number of buffers");
     compareChannels(e.renderedBuffer.getChannelData(0), buf.getChannelData(0));
     compareChannels(e.renderedBuffer.getChannelData(1), buf.getChannelData(1));
     SimpleTest.finish();
   };
 });
 </script>
 </pre>
 </body>
 </html>