| Quellcodebibliothek Statistik Leitseite products/Sources/formale Sprachen/C/Firefox/dom/media/mediasource/test/ (Firefox Browser Version 153.0.1©) Datei vom 27.6.2026 mit Größe 1 kB |
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Quelle test_DurationUpdated.htmlSprache: HTML |
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<!DOCTYPE HTML> <html> <head> <title>MSE: append data and check that mediasource duration got updated</title> <script src="/tests/SimpleTest/SimpleTest.js"></script> <script type="text/javascript" src="mediasource.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(); runWithMSE(async (ms, v) => { await once(ms, "sourceopen"); const sb = ms.addSourceBuffer("video/webm"); let durationChangeCount = 0; v.addEventListener("durationchange", () => durationChangeCount++); const arrayBuffer = await fetchWithXHR("seek.webm"); sb.appendBuffer(new Uint8Array(arrayBuffer, 0, 318)); // Adding the first init segment will fire a durationchange. await Promise.all([once(sb, "updateend"), once(v, "loadedmetadata")]); ok(true, "got loadedmetadata"); // Set mediasource duration to 0, so future appendBuffer // will update the mediasource duration. // Changing the duration will fire a durationchange. ms.duration = 0; sb.appendBuffer(new Uint8Array(arrayBuffer, 318)); // Adding more data will fire durationchange. await once(sb, "updateend"); ok(true, "got updateend"); // this will not fire durationchange as new duration == old duration ms.endOfStream(); await once(ms, "sourceended"); is(durationChangeCount, 3, "durationchange not fired as many times as expected"); // XXX: Duration should be exactly 4.0, see bug 1065207. ok(Math.abs(v.duration - 4) <= 0.002, "Video has correct duration"); SimpleTest.finish(); }); </script> </pre> </body> </html>
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2026-08-25