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+<!DOCTYPE HTML>
+<html>
+<meta charset="utf-8">
+<head>
+ <title>Test MediaStreamAudioSourceNode passthrough</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">
+
+function createBuffer(context, delay) {
+ var buffer = context.createBuffer(2, 2048, context.sampleRate);
+ for (var i = 0; i < 2048 - delay; ++i) {
+ buffer.getChannelData(0)[i + delay] = Math.sin(440 * 2 * Math.PI * i / context.sampleRate);
+ buffer.getChannelData(1)[i + delay] = -buffer.getChannelData(0)[i + delay];
+ }
+ return buffer;
+}
+
+var gTest = {
+ length: 2048,
+ skipOfflineContextTests: true,
+ createGraph: function(context) {
+ var sourceGraph = new AudioContext();
+ var source = sourceGraph.createBufferSource();
+ source.buffer = createBuffer(context, 0);
+ var dest = sourceGraph.createMediaStreamDestination();
+ source.connect(dest);
+ source.start(0);
+
+ var mediaStreamSource = context.createMediaStreamSource(dest.stream);
+ // channelCount and channelCountMode should have no effect
+ mediaStreamSource.channelCount = 1;
+ mediaStreamSource.channelCountMode = "explicit";
+
+ var srcWrapped = SpecialPowers.wrap(mediaStreamSource);
+ ok("passThrough" in srcWrapped, "MediaStreamAudioSourceNode should support the passThrough API");
+ srcWrapped.passThrough = true;
+
+ return mediaStreamSource;
+ },
+ createExpectedBuffers: function(context) {
+ return context.createBuffer(2, 2048, context.sampleRate);
+ },
+};
+
+runTest();
+
+</script>
+</pre>
+</body>
+</html>