The Tor Browser: content/media/webaudio/test/test_gainNodeInLoop.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 GainNode in presence of loops</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 <script class="testbody" type="text/javascript">

    13 var gTest = {

    14   length: 4096,

    15   numberOfChannels: 1,

    16   createGraph: function(context) {

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

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

    19       sourceBuffer.getChannelData(0)[i] = 1;

    20     }

    22     var source = context.createBufferSource();

    23     source.buffer = sourceBuffer;

    24     source.loop = true;

    25     source.start(0);

    26     source.stop(sourceBuffer.duration * 2);

    28     var gain = context.createGain();

    29     // Adjust the gain in a way that we don't just end up modifying AudioChunk::mVolume

    30     gain.gain.setValueAtTime(0.5, 0);

    31     source.connect(gain);

    32     return gain;

    33   },

    34   createExpectedBuffers: function(context) {

    35     var expectedBuffer = context.createBuffer(1, 4096, context.sampleRate);

    36     for (var i = 0; i < 4096; ++i) {

    37       expectedBuffer.getChannelData(0)[i] = 0.5;

    38     }

    39     return expectedBuffer;

    40   },

    41 };

    43 runTest();

    45 </script>

    46 </pre>

    47 </body>

    48 </html>

The Tor Browser / file revision