The Tor Browser: content/media/webaudio/test/test_mediaStreamAudioDestinationNode.html@b8a032363ba2

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

     1 <!DOCTYPE HTML>

     2 <html>

     3 <head>

     4   <title>Test MediaStreamAudioDestinationNode</title>

     5   <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>

     6   <script type="text/javascript" src="webaudio.js"></script>

     7   <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />

     8 </head>

     9 <body>

    10 <pre id="test">

    11 <audio id="audioelem"></audio>

    12 <script class="testbody" type="text/javascript">

    14 SimpleTest.waitForExplicitFinish();

    15 addLoadEvent(function() {

    16   var context = new AudioContext();

    17   var buffer = context.createBuffer(1, 2048, context.sampleRate);

    18   for (var i = 0; i < 2048; ++i) {

    19     buffer.getChannelData(0)[i] = Math.sin(440 * 2 * Math.PI * i / context.sampleRate);

    20   }

    22   var source = context.createBufferSource();

    23   source.buffer = buffer;

    25   var dest = context.createMediaStreamDestination();

    26   source.connect(dest);

    28   var elem = document.getElementById('audioelem');

    29   elem.mozSrcObject = dest.stream;

    30   elem.onloadedmetadata = function() {

    31     ok(true, "got metadata event");

    32     setTimeout(function() {

    33       is(elem.played.length, 1, "should have a played interval");

    34       is(elem.played.start(0), 0, "should have played immediately");

    35       isnot(elem.played.end(0), 0, "should have played for a non-zero interval");

    36       SimpleTest.finish();

    37     }, 2000);

    38   };

    40   source.start(0);

    41   elem.play();

    42 });

    43 </script>

The Tor Browser / file revision