| Quellcodebibliothek Statistik Leitseite products/sources/formale Sprachen/C/Firefox/dom/media/test/ (Browser von der Mozilla Stiftung Version 136.0.1©) Datei vom 10.2.2025 mit Größe 1 kB |
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Quelle test_multiple_mediastreamtracks.html Sprache: HTML |
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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>
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2026-04-04