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Quelle test_Eviction_mp4.htmlSprache: HTML |
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<!DOCTYPE html> <html><head> <meta http-equiv="content-type" content="text/html; charset=windows-1252"> <title>MSE: QuotaExceededError when source buffer is full</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(); // We fill up the source buffer with audio data until the buffer is full. // We ensure that QuotaExceededError is thrown once the buffer is full. // We then seek to half the content. By that time, another appendBuffer must succeed // as the auto-eviction would succeed (removing all data prior currentTime) addMSEPrefs( ["media.mediasource.eviction_threshold.audio", 524288], ["media.dormant-on-pause-timeout-ms", -1] // FIXME: bug 1319292 ); runWithMSE(async (ms, el) => { el.controls = true; await once(ms, "sourceopen"); ok(true, "Receive a sourceopen event"); const audiosb = ms.addSourceBuffer("audio/mp4"); audiosb.mode = "sequence"; await fetchAndLoad(audiosb, "bipbop/bipbop_audio", ["init"], ".mp4"); const audioBuffer = await fetchWithXHR("bipbop/bipbop_audio1.m4s"); await must_reject(async () => { // We are appending data repeatedly in sequence mode, there should be no gaps. while (true) { ok(audiosb.buffered.length <= 1, "there should be no gap in buffered ranges."); audiosb.appendBuffer(audioBuffer); await once(audiosb, "updateend"); } }, "Fill up SourceBuffer by appending data until an exception is thrown.", "QuotaExceededError"); is(audiosb.buffered.end(0), el.duration, "Duration is end of buffered range"); const seekTime = audiosb.buffered.end(0) / 2; el.currentTime = seekTime; await once(el, "seeked"); dump("dump: seeked to " + seekTime); is(el.currentTime, seekTime, "correctly seeked to " + seekTime); try { audiosb.appendBuffer(audioBuffer); await once(audiosb, "update"); ok(true, "appendBuffer succeeded"); } catch (ex) { ok(false, "Shouldn't throw another time when data can be evicted"); dump(JSON.stringify(await SpecialPowers.wrap(el).mozRequestDebugInfo())); } SimpleTest.finish(); }); </script> </pre> </body> </html>
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2026-08-25