зеркало из https://github.com/mozilla/gecko-dev.git
72 строки
2.5 KiB
HTML
72 строки
2.5 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<head>
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<title>Test PannerNode</title>
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<script 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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function near(a, b, msg) {
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ok(Math.abs(a - b) < 1e-4, msg);
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}
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SimpleTest.waitForExplicitFinish();
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addLoadEvent(function() {
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var context = new AudioContext();
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var buffer = context.createBuffer(1, 2048, context.sampleRate);
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for (var i = 0; i < 2048; ++i) {
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buffer.getChannelData(0)[i] = Math.sin(440 * 2 * Math.PI * i / context.sampleRate);
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}
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var destination = context.destination;
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var source = context.createBufferSource();
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var panner = new PannerNode(context);
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source.buffer = buffer;
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source.connect(panner);
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panner.connect(destination);
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// Verify default values
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is(panner.panningModel, "equalpower", "Correct default value for panning model");
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is(panner.distanceModel, "inverse", "Correct default value for distance model");
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near(panner.refDistance, 1, "Correct default value for ref distance");
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near(panner.maxDistance, 10000, "Correct default value for max distance");
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near(panner.rolloffFactor, 1, "Correct default value for rolloff factor");
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near(panner.coneInnerAngle, 360, "Correct default value for cone inner angle");
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near(panner.coneOuterAngle, 360, "Correct default value for cone outer angle");
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near(panner.coneOuterGain, 0, "Correct default value for cone outer gain");
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is(panner.channelCount, 2, "panner node has 2 input channels by default");
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is(panner.channelCountMode, "clamped-max", "Correct channelCountMode for the panner node");
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is(panner.channelInterpretation, "speakers", "Correct channelCountInterpretation for the panner node");
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panner.setPosition(1, 1, 1);
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near(panner.positionX.value, 1, "setPosition sets AudioParam properly");
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near(panner.positionY.value, 1, "setPosition sets AudioParam properly");
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near(panner.positionZ.value, 1, "setPosition sets AudioParam properly");
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panner.setOrientation(0, 1, 0);
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near(panner.orientationX.value, 0, "setOrientation sets AudioParam properly");
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near(panner.orientationY.value, 1, "setOrientation sets AudioParam properly");
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near(panner.orientationZ.value, 0, "setOrientation sets AudioParam properly");
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source.start(0);
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SimpleTest.executeSoon(function() {
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source.stop(0);
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source.disconnect();
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panner.disconnect();
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SimpleTest.finish();
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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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