зеркало из https://github.com/mozilla/gecko-dev.git
Bug 1472550 - Add a little regression test. r=karlt
A more involved test exists as a web-platform-tests, but we can't run it because it makes use of AudioListener AudioParam, that we don't have right now. MozReview-Commit-ID: 8QJ12cGVRbQ --HG-- extra : rebase_source : 6161e33d7d8ef83eb5e16a4570a770401dd672cd
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@ -198,6 +198,7 @@ skip-if = toolkit == 'android' # bug 1091965
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[test_oscillatorTypeChange.html]
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[test_pannerNode.html]
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[test_pannerNode_equalPower.html]
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[test_pannerNode_audioparam_distance.html]
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[test_pannerNodeAbove.html]
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[test_pannerNodeAtZeroDistance.html]
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[test_pannerNodeChannelCount.html]
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@ -0,0 +1,43 @@
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<!DOCTYPE HTML>
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<html>
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<head>
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<title>Distance effect of a PannerNode with the position set via AudioParams (Bug 1472550)</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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SimpleTest.waitForExplicitFinish();
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var o = new OfflineAudioContext(2, 256, 44100);
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// We want a stereo constant source.
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var b = o.createBuffer(2, 1, 44100);
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b.getChannelData(0)[0] = 1;
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b.getChannelData(1)[0] = 1;
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var c = o.createBufferSource();
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c.buffer = b;
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c.loop = true;
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var p = o.createPanner();
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p.positionY.setValueAtTime(1, 0);
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p.positionX.setValueAtTime(1, 0);
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p.positionZ.setValueAtTime(1, 0);
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// Set the listener somewhere far
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o.listener.setPosition(20, 2, 20);
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c.start();
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c.connect(p).connect(o.destination);
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o.startRendering().then((ab) => {
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// Check that the distance attenuates the sound.
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ok(ab.getChannelData(0)[0] < 0.1, "left channel must be very quiet");
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ok(ab.getChannelData(1)[0] < 0.1, "right channel must be very quiet");
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SimpleTest.finish();
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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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