test_Eviction_mp4.html (2347B)
1 <!DOCTYPE html> 2 <html><head> 3 <meta http-equiv="content-type" content="text/html; charset=windows-1252"> 4 <title>MSE: QuotaExceededError when source buffer is full</title> 5 <script src="/tests/SimpleTest/SimpleTest.js"></script> 6 <script type="text/javascript" src="mediasource.js"></script> 7 <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" /> 8 </head> 9 <body> 10 <pre id="test"><script class="testbody" type="text/javascript"> 11 12 SimpleTest.waitForExplicitFinish(); 13 // We fill up the source buffer with audio data until the buffer is full. 14 // We ensure that QuotaExceededError is thrown once the buffer is full. 15 // We then seek to half the content. By that time, another appendBuffer must succeed 16 // as the auto-eviction would succeed (removing all data prior currentTime) 17 18 addMSEPrefs( 19 ["media.mediasource.eviction_threshold.audio", 524288], 20 ["media.dormant-on-pause-timeout-ms", -1] // FIXME: bug 1319292 21 ); 22 23 runWithMSE(async (ms, el) => { 24 el.controls = true; 25 await once(ms, "sourceopen"); 26 ok(true, "Receive a sourceopen event"); 27 const audiosb = ms.addSourceBuffer("audio/mp4"); 28 audiosb.mode = "sequence"; 29 await fetchAndLoad(audiosb, "bipbop/bipbop_audio", ["init"], ".mp4"); 30 const audioBuffer = await fetchWithXHR("bipbop/bipbop_audio1.m4s"); 31 32 await must_reject(async () => { 33 // We are appending data repeatedly in sequence mode, there should be no gaps. 34 while (true) { 35 ok(audiosb.buffered.length <= 1, "there should be no gap in buffered ranges."); 36 audiosb.appendBuffer(audioBuffer); 37 await once(audiosb, "updateend"); 38 } 39 }, 40 "Fill up SourceBuffer by appending data until an exception is thrown.", 41 "QuotaExceededError"); 42 43 is(audiosb.buffered.end(0), el.duration, "Duration is end of buffered range"); 44 const seekTime = audiosb.buffered.end(0) / 2; 45 el.currentTime = seekTime; 46 await once(el, "seeked"); 47 dump("dump: seeked to " + seekTime); 48 is(el.currentTime, seekTime, "correctly seeked to " + seekTime); 49 try { 50 audiosb.appendBuffer(audioBuffer); 51 await once(audiosb, "update"); 52 ok(true, "appendBuffer succeeded"); 53 } catch (ex) { 54 ok(false, "Shouldn't throw another time when data can be evicted"); 55 dump(JSON.stringify(await SpecialPowers.wrap(el).mozRequestDebugInfo())); 56 } 57 SimpleTest.finish(); 58 }); 59 60 </script> 61 </pre> 62 </body> 63 </html>