1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/content/media/webaudio/test/test_mediaStreamAudioSourceNode.html Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,50 @@
1.4 +<!DOCTYPE HTML>
1.5 +<html>
1.6 +<meta charset="utf-8">
1.7 +<head>
1.8 + <title>Test MediaStreamAudioSourceNode processing is correct</title>
1.9 + <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
1.10 + <script type="text/javascript" src="webaudio.js"></script>
1.11 + <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
1.12 +</head>
1.13 +<body>
1.14 +<pre id="test">
1.15 +<script class="testbody" type="text/javascript">
1.16 +
1.17 +function createBuffer(context, delay) {
1.18 + var buffer = context.createBuffer(2, 2048, context.sampleRate);
1.19 + for (var i = 0; i < 2048 - delay; ++i) {
1.20 + buffer.getChannelData(0)[i + delay] = Math.sin(440 * 2 * Math.PI * i / context.sampleRate);
1.21 + buffer.getChannelData(1)[i + delay] = -buffer.getChannelData(0)[i + delay];
1.22 + }
1.23 + return buffer;
1.24 +}
1.25 +
1.26 +var gTest = {
1.27 + length: 2048,
1.28 + skipOfflineContextTests: true,
1.29 + createGraph: function(context) {
1.30 + var sourceGraph = new AudioContext();
1.31 + var source = sourceGraph.createBufferSource();
1.32 + source.buffer = createBuffer(context, 0);
1.33 + var dest = sourceGraph.createMediaStreamDestination();
1.34 + source.connect(dest);
1.35 + source.start(0);
1.36 +
1.37 + var mediaStreamSource = context.createMediaStreamSource(dest.stream);
1.38 + // channelCount and channelCountMode should have no effect
1.39 + mediaStreamSource.channelCount = 1;
1.40 + mediaStreamSource.channelCountMode = "explicit";
1.41 + return mediaStreamSource;
1.42 + },
1.43 + createExpectedBuffers: function(context) {
1.44 + return createBuffer(context, 1);
1.45 + },
1.46 +};
1.47 +
1.48 +runTest();
1.49 +
1.50 +</script>
1.51 +</pre>
1.52 +</body>
1.53 +</html>
