61 lines
1.3 KiB
HTML
61 lines
1.3 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<head>
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<title>Test PannerNode outputs silence when the distance is greater than maxDist</title>
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<script src="/tests/SimpleTest/SimpleTest.js"></script>
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<script 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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// BUF_SIZE must be greater than HRTF delay.
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const BUF_SIZE = 1024;
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const sampleRate = 44100;
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var types = [
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"equalpower",
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"HRTF"
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]
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async function test(panningModel) {
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var ac = new OfflineAudioContext(1, 1024, sampleRate);
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var osc = ac.createOscillator();
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var panner = new PannerNode(ac, {
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panningModel,
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distanceModel: "linear",
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maxDistance: 100,
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positionY: 200,
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});
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ac.listener.setPosition(0, 0, 0);
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osc.connect(panner);
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panner.connect(ac.destination);
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osc.start();
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const buffer = await ac.startRendering()
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var silence = true;
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var array = buffer.getChannelData(0);
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for (var i = 0; i < buffer.length; i++) {
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if (array[i] != 0) {
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ok(false, "Found noise in the buffer.");
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silence = false;
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}
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}
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ok(silence, "The buffer is silent.");
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}
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add_task(async function() {
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await promiseHRTFReady(sampleRate);
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for (const panningModel of types) {
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await test(panningModel);
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}
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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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