зеркало из https://github.com/mozilla/gecko-dev.git
59 строки
1.4 KiB
HTML
59 строки
1.4 KiB
HTML
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<!DOCTYPE HTML>
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<html>
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<head>
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<title>Test AudioBufferSourceNode when an AudioBuffer's getChanneData buffer is detached</title>
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<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
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<script type="text/javascript" src="webaudio.js"></script>
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<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
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</head>
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<body>
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<pre id="test">
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<script class="testbody" type="text/javascript">
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function createGarbage() {
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var s = [];
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for (var i = 0; i < 10000000; ++i) {
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s.push(i);
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}
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var sum = 0;
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for (var i = 0; i < s.length; ++i) {
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sum += s[i];
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}
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return sum;
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}
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var worker = new Worker("audioBufferSourceNodeDetached_worker.js");
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var gTest = {
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length: 2048,
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numberOfChannels: 1,
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createGraph: function(context) {
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var buffer = context.createBuffer(1, 10000000, context.sampleRate);
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var data = buffer.getChannelData(0);
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for (var i = 0; i < data.length; ++i) {
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data[i] = (i%100)/100 - 0.5;
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}
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// Detach the buffer now
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var data = buffer.getChannelData(0).buffer;
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worker.postMessage(data, [data]);
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// Create garbage and GC to replace the buffer data with garbage
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SpecialPowers.gc();
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createGarbage();
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SpecialPowers.gc();
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var source = context.createBufferSource();
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source.buffer = buffer;
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source.start();
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// This should play silence
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return source;
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},
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};
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runTest();
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</script>
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</pre>
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</body>
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</html>
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