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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
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Add m-esr52 at 52.6.0
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+<!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(6, 100, 22050);
+
+ var buf = ctx.createBuffer(2, 100, ctx.sampleRate);
+ for (var i = 0; i < 2; ++i) {
+ for (var j = 0; j < 100; ++j) {
+ buf.getChannelData(i)[j] = Math.sin(2 * Math.PI * 200 * j / ctx.sampleRate);
+ }
+ }
+ var emptyBuffer = ctx.createBuffer(1, 100, 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, 6, "Correct expected number of buffers");
+ compareChannels(e.renderedBuffer.getChannelData(0), buf.getChannelData(0));
+ compareChannels(e.renderedBuffer.getChannelData(1), buf.getChannelData(1));
+ for (var i = 2; i < 6; ++i) {
+ compareChannels(e.renderedBuffer.getChannelData(i), emptyBuffer.getChannelData(0));
+ }
+
+ SimpleTest.finish();
+ };
+});
+
+</script>
+</pre>
+</body>
+</html>