| Quellcodebibliothek Statistik Leitseite products/sources/formale Sprachen/C/Firefox/dom/media/mediasource/test/ (Browser von der Mozilla Stiftung Version 136.0.1©) Datei vom 10.2.2025 mit Größe 3 kB |
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Quelle test_DurationChange.html Sprache: HTML |
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<!DOCTYPE HTML> <html> <head> <title>MSE: check that duration change behaves properly</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"); const arrayBuffer = await fetchWithXHR("seek.webm"); sb.appendBuffer(new Uint8Array(arrayBuffer, 0, 318)); await Promise.all([once(v, "loadedmetadata"), once(sb, "updateend")]); is(v.duration, ms.duration, "video duration is mediasource one"); must_not_throw(() => ms.duration = 0, "duration = 0 is valid initially"); is(v.duration, 0, "reducing duration with no data buffered is valid"); sb.appendBuffer(new Uint8Array(arrayBuffer, 318)); // Adding more data will fire durationchange. await once(sb, "updateend"); ok(true, "got updateend"); // XXX: Duration should be exactly 4.0, see bug 1065207. ok(Math.abs(v.duration - 4) <= 0.002, "Video has correct duration"); must_throw(() => ms.duration = 0, "Must use remove for range removal", "InvalidStateError"); ok(Math.abs(v.duration - 4) <= 0.002, "Video has correct duration"); must_not_throw(() => ms.duration = 10, "setting duration past data is valid"); is(v.duration, 10, "extending duration is always valid"); // The last sample has a start time of 3.967000s and a end time of 4.001 (see bug 1065207). must_not_throw(() => ms.duration = 3.967000, "setting duration with >= highest frame presentation time is valid"); is(v.duration, sb.buffered.end(0), "duration is the highest end time reported by the buffered attribute "); must_not_throw(() => ms.duration = 3.97, "setting duration with >= highest frame presentation time is valid"); is(v.duration, sb.buffered.end(0), "duration is the highest end time reported by the buffered attribute "); must_throw(() => ms.duration = 3.96, "setting duration with < highest frame presentation time is not valid", "InvalidStateError"); is(v.duration, sb.buffered.end(0), "duration is the highest end time reported by the buffered attribute "); must_throw(() => ms.duration = -1, "can't set a negative duration", "TypeError"); sb.remove(sb.buffered.end(0), Infinity); is(sb.updating, true, "updating is true"); must_throw(() => ms.duration = Infinity, "setting the duration while updating is not allowed", "InvalidStateError"); must_throw(() => sb.abort(), "Can't use abort while range removal is in progress", "InvalidStateError"); is(v.duration, sb.buffered.end(0), "duration is the highest end time reported by the buffered attribute "); await once(sb, "updateend"); ms.endOfStream(); await once(ms, "sourceended"); SimpleTest.finish(); }); </script> </pre> </body> </html>
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2026-04-04