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