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<!DOCTYPE HTML>
<html>
<head>
<title>Test the ability of MediaStream with multiple MediaStreamTracks</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
<script type="text/javascript" src="manifest.js"></script>
<script type="text/javascript" src="gUM_support.js"></script>
</head>
<body>
<pre id="test">
<script class="testbody" type="text/javascript">
async function startTest() {
try {
await setupGetUserMediaTestPrefs();
let orgStream = await navigator.mediaDevices.getUserMedia({audio: true, video: true});
let a = orgStream.getAudioTracks()[0];
let v = orgStream.getVideoTracks()[0];
let stream = new MediaStream([a, a, a, a, v, v, v].map(track => track.clone()));
let element = document.createElement("video");
element.onloadedmetadata = function() {
is(stream.getAudioTracks().length, 4, 'Length of audio tracks should be 4.');
is(stream.getVideoTracks().length, 3, 'Length of vudio tracks should be 3.');
SimpleTest.finish();
};
element.srcObject = stream;
element.play();
} catch (err) {
ok(false, 'Unexpected error fired with: ' + err);
SimpleTest.finish();
}
}
SimpleTest.waitForExplicitFinish();
SpecialPowers.pushPrefEnv(
{
"set": [
["media.track.enabled", true]
]
}, startTest);
</script>
</pre>
</body>
</html>
|
