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56 lines
1.5 KiB
HTML
56 lines
1.5 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<head>
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<title>Test when and currentTime are in the same coordinate system</title>
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<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.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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SimpleTest.waitForExplicitFinish();
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addLoadEvent(function() {
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var freq = 330;
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var context = new AudioContext();
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var buffer = context.createBuffer(1, context.sampleRate / freq, context.sampleRate);
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for (var i = 0; i < buffer.length; ++i) {
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buffer.getChannelData(0)[i] = Math.sin(2 * Math.PI * i / buffer.length);
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}
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var source = context.createBufferSource();
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source.loop = true;
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source.buffer = buffer;
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setTimeout(function () {
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var finished = false;
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source.start(context.currentTime);
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var processor = context.createScriptProcessor(256, 1, 1);
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processor.onaudioprocess = function (e) {
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if (finished) return;
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var c = e.inputBuffer.getChannelData(0);
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var result = true;
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for (var i = 0; i < buffer.length; ++i) {
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if (Math.abs(c[i] - buffer.getChannelData(0)[i]) > 1e-9) {
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result = false;
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break;
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}
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}
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finished = true;
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ok(result, "when and currentTime are in same time coordinate system");
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SimpleTest.finish();
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}
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processor.connect(context.destination);
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source.connect(processor);
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}, 500);
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});
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</script>
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</pre>
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</body>
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</html>
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