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<!DOCTYPE HTML>
<html>
<head>
<title>Test PannerNode</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<pre id="test">
<script class="testbody" type="text/javascript">
function near(a, b, msg) {
ok(Math.abs(a - b) < 1e-4, msg);
}
SimpleTest.waitForExplicitFinish();
addLoadEvent(function() {
var context = new AudioContext();
var buffer = context.createBuffer(1, 2048, context.sampleRate);
for (var i = 0; i < 2048; ++i) {
buffer.getChannelData(0)[i] = Math.sin(440 * 2 * Math.PI * i / context.sampleRate);
}
var destination = context.destination;
var source = context.createBufferSource();
var panner = new PannerNode(context);
source.buffer = buffer;
source.connect(panner);
panner.connect(destination);
// Verify default values
is(panner.panningModel, "equalpower", "Correct default value for panning model");
is(panner.distanceModel, "inverse", "Correct default value for distance model");
near(panner.refDistance, 1, "Correct default value for ref distance");
near(panner.maxDistance, 10000, "Correct default value for max distance");
near(panner.rolloffFactor, 1, "Correct default value for rolloff factor");
near(panner.coneInnerAngle, 360, "Correct default value for cone inner angle");
near(panner.coneOuterAngle, 360, "Correct default value for cone outer angle");
near(panner.coneOuterGain, 0, "Correct default value for cone outer gain");
is(panner.channelCount, 2, "panner node has 2 input channels by default");
is(panner.channelCountMode, "clamped-max", "Correct channelCountMode for the panner node");
is(panner.channelInterpretation, "speakers", "Correct channelCountInterpretation for the panner node");
panner.setPosition(1, 1, 1);
near(panner.positionX.value, 1, "setPosition sets AudioParam properly");
near(panner.positionY.value, 1, "setPosition sets AudioParam properly");
near(panner.positionZ.value, 1, "setPosition sets AudioParam properly");
panner.setOrientation(0, 1, 0);
near(panner.orientationX.value, 0, "setOrientation sets AudioParam properly");
near(panner.orientationY.value, 1, "setOrientation sets AudioParam properly");
near(panner.orientationZ.value, 0, "setOrientation sets AudioParam properly");
source.start(0);
SimpleTest.executeSoon(function() {
source.stop(0);
source.disconnect();
panner.disconnect();
SimpleTest.finish();
});
});
</script>
</pre>
</body>
</html>
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