gecko/content/media/webaudio/test/test_offlineDestinationChannelCountLess.html
Karl Tomlinson dace222cfd b=938450 rename compareBuffers to compareChannels & add compareBuffers f=ehsan
--HG--
extra : transplant_source : %93W%BC%84%FF%10%9B%F5%CD5%98%0E%F0/%F2R%B9W%1E%94
2013-12-03 12:13:15 +13:00

43 lines
1.2 KiB
HTML

<!DOCTYPE HTML>
<html>
<head>
<title>Test OfflineAudioContext with a channel count less than the specified number</title>
<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<script type="text/javascript" src="webaudio.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<pre id="test">
<script class="testbody" type="text/javascript">
SimpleTest.waitForExplicitFinish();
addLoadEvent(function() {
var ctx = new OfflineAudioContext(2, 100, 22050);
var buf = ctx.createBuffer(6, 100, ctx.sampleRate);
for (var i = 0; i < 6; ++i) {
for (var j = 0; j < 100; ++j) {
buf.getChannelData(i)[j] = Math.sin(2 * Math.PI * 200 * j / ctx.sampleRate);
}
}
var src = ctx.createBufferSource();
src.buffer = buf;
src.start(0);
src.connect(ctx.destination);
ctx.destination.channelCountMode = "max";
ctx.startRendering();
ctx.oncomplete = function(e) {
is(e.renderedBuffer.numberOfChannels, 2, "Correct expected number of buffers");
compareChannels(e.renderedBuffer.getChannelData(0), buf.getChannelData(0));
compareChannels(e.renderedBuffer.getChannelData(1), buf.getChannelData(1));
SimpleTest.finish();
};
});
</script>
</pre>
</body>
</html>