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<!DOCTYPE HTML>
<html>
<meta charset="utf-8">
<head>
<title>Test MediaStreamAudioSourceNode doesn't get data from cross-origin media resources</title>
<script type="text/javascript" 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">
SimpleTest.waitForExplicitFinish();
var audio = new Audio("http://example.org:80/tests/dom/media/webaudio/test/small-shot.ogg");
var context = new AudioContext();
var node = context.createMediaStreamSource(audio.mozCaptureStreamUntilEnded());
var sp = context.createScriptProcessor(2048, 1);
node.connect(sp);
var nonzeroSampleCount = 0;
var complete = false;
var iterationCount = 0;
// This test ensures we receive at least expectedSampleCount nonzero samples
function processSamples(e) {
if (complete) {
return;
}
if (iterationCount == 0) {
// Don't start playing the audio until the AudioContext stuff is connected
// and running.
audio.play();
}
++iterationCount;
var buf = e.inputBuffer.getChannelData(0);
var nonzeroSamplesThisBuffer = 0;
for (var i = 0; i < buf.length; ++i) {
if (buf[i] != 0) {
++nonzeroSamplesThisBuffer;
}
}
is(nonzeroSamplesThisBuffer, 0,
"Checking all samples are zero");
if (iterationCount >= 20) {
SimpleTest.finish();
complete = true;
}
}
audio.oncanplaythrough = function() {
sp.onaudioprocess = processSamples;
};
</script>
</pre>
</body>
</html>
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