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54 lines
1.3 KiB
HTML
54 lines
1.3 KiB
HTML
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<!DOCTYPE HTML>
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<html>
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<head>
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<title>Test DelayNode</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 src="webaudio.js" type="text/javascript"></script>
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<script class="testbody" type="text/javascript">
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var gTest = {
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length: 4096,
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numberOfChannels: 1,
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createGraph: function(context) {
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var source = context.createBufferSource();
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var delay = context.createDelay();
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source.buffer = this.buffer;
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source.connect(delay);
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delay.delayTime.value = 0.5;
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// Delay the source stream by 2048 frames
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delay.delayTime.value = 2048 / context.sampleRate;
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var delayWrapped = SpecialPowers.wrap(delay);
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ok("passThrough" in delayWrapped, "DelayNode should support the passThrough API");
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delayWrapped.passThrough = true;
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source.start(0);
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return delay;
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},
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createExpectedBuffers: function(context) {
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this.buffer = context.createBuffer(1, 2048, context.sampleRate);
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for (var i = 0; i < 2048; ++i) {
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this.buffer.getChannelData(0)[i] = Math.sin(440 * 2 * Math.PI * i / context.sampleRate);
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}
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var silence = context.createBuffer(1, 2048, context.sampleRate);
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return [this.buffer, silence];
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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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