content/media/webaudio/test/test_audioBufferSourceNodeLoopStartEndSame.html

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/content/media/webaudio/test/test_audioBufferSourceNodeLoopStartEndSame.html	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,44 @@
     1.4 +<!DOCTYPE HTML>
     1.5 +<html>
     1.6 +<head>
     1.7 +  <title>Test AudioBufferSourceNode looping</title>
     1.8 +  <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
     1.9 +  <script type="text/javascript" src="webaudio.js"></script>
    1.10 +  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
    1.11 +</head>
    1.12 +<body>
    1.13 +<pre id="test">
    1.14 +<script class="testbody" type="text/javascript">
    1.15 +
    1.16 +var gTest = {
    1.17 +  length: 2048,
    1.18 +  numberOfChannels: 1,
    1.19 +  createGraph: function(context) {
    1.20 +    var buffer = context.createBuffer(1, 2048, context.sampleRate);
    1.21 +    for (var i = 0; i < 2048; ++i) {
    1.22 +      buffer.getChannelData(0)[i] = Math.sin(440 * 2 * Math.PI * i / context.sampleRate);
    1.23 +    }
    1.24 +
    1.25 +    var source = context.createBufferSource();
    1.26 +    source.buffer = buffer;
    1.27 +
    1.28 +    source.loop = true;
    1.29 +    source.loopStart = source.loopEnd = 1 / context.sampleRate;
    1.30 +    source.start(0);
    1.31 +    return source;
    1.32 +  },
    1.33 +  createExpectedBuffers: function(context) {
    1.34 +    var buffer = context.createBuffer(1, 2048, context.sampleRate);
    1.35 +    for (var i = 0; i < 2048; ++i) {
    1.36 +      buffer.getChannelData(0)[i] = Math.sin(440 * 2 * Math.PI * i / context.sampleRate);
    1.37 +    }
    1.38 +    return buffer;
    1.39 +  },
    1.40 +};
    1.41 +
    1.42 +runTest();
    1.43 +
    1.44 +</script>
    1.45 +</pre>
    1.46 +</body>
    1.47 +</html>

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