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<!DOCTYPE HTML>
<html>
<head>
<title>Test MediaStreamAudioDestinationNode</title>
<script 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">
<audio id="audioelem"></audio>
<script class="testbody" type="text/javascript">
SimpleTest.waitForExplicitFinish();
SimpleTest.requestFlakyTimeout("This test uses a live media element so it needs to wait for the media stack to do some work.");
addLoadEvent(function() {
var context = new AudioContext();
var buffer = context.createBuffer(1, 2048, context.sampleRate);
for (var i = 0; i < 2048; ++i) {
buffer.getChannelData(0)[i] = Math.sin(440 * 2 * Math.PI * i / context.sampleRate);
}
var source = context.createBufferSource();
source.buffer = buffer;
var dest = new MediaStreamAudioDestinationNode(context);
source.connect(dest);
var elem = document.getElementById('audioelem');
elem.srcObject = dest.stream;
elem.onloadedmetadata = function() {
ok(true, "got metadata event");
setTimeout(function() {
is(elem.played.length, 1, "should have a played interval");
is(elem.played.start(0), 0, "should have played immediately");
isnot(elem.played.end(0), 0, "should have played for a non-zero interval");
// This will end the media element.
dest.stream.getTracks()[0].stop();
}, 2000);
};
elem.onended = function() {
ok(true, "media element ended after destination track.stop()");
SimpleTest.finish();
};
source.start(0);
elem.play();
});
</script>
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