The Tor Browser: content/media/webaudio/test/test_delayNodeAtMax.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 DelayNode with maxDelayTime delay - bug 890528</title>

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

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

     7 </head>

     8 <body>

     9 <pre id="test">

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

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

    13 const signalLength = 2048;

    14 const delayLength = 1000; // Not on a block boundary

    15 const outputLength = 4096 // > signalLength + 2 * delayLength;

    17 function applySignal(buffer, offset) {

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

    19     buffer.getChannelData(0)[offset + i] = Math.cos(Math.PI * i / signalLength);

    20   }

    21 }

    23 var gTest = {

    24   numberOfChannels: 1,

    25   createGraph: function(context) {

    26     var buffer = context.createBuffer(1, signalLength, context.sampleRate);

    27     applySignal(buffer, 0);

    29     var source = context.createBufferSource();

    30     source.buffer = buffer;

    32     const delayTime = delayLength / context.sampleRate;

    33     var delay = context.createDelay(delayTime);

    34     delay.delayTime.value = delayTime;

    36     source.connect(delay);

    38     source.start(0);

    39     return delay;

    40   },

    41   createExpectedBuffers: function(context) {

    42     var expectedBuffer = context.createBuffer(1, outputLength, context.sampleRate);

    43     applySignal(expectedBuffer, delayLength);

    44     return expectedBuffer;

    45   },

    46 };

    48 runTest();

    50 </script>

    51 </pre>

    52 </body>

    53 </html>

The Tor Browser / file revision