test_SeekToEnd_mp4.html (2201B)
1 <!DOCTYPE HTML> 2 <html> 3 <head> 4 <title>MSE: seeking to end of data with data gap.</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"> 11 <script class="testbody" type="text/javascript"> 12 13 SimpleTest.waitForExplicitFinish(); 14 15 runWithMSE(async (ms, el) => { 16 await once(ms, "sourceopen"); 17 ok(true, "Receive a sourceopen event"); 18 const videosb = ms.addSourceBuffer("video/mp4"); 19 const audiosb = ms.addSourceBuffer("audio/mp4"); 20 21 await fetchAndLoad(videosb, "bipbop/bipbop_video", ["init"], ".mp4"); 22 await fetchAndLoad(videosb, "bipbop/bipbop_video", range(1, 6), ".m4s"); 23 await fetchAndLoad(audiosb, "bipbop/bipbop_audio", ["init"], ".mp4"); 24 is(videosb.buffered.length, 1, "continuous buffered range"); 25 // Ensure we have at least 2s less audio than video. 26 audiosb.appendWindowEnd = videosb.buffered.end(0) - 2; 27 await fetchAndLoad(audiosb, "bipbop/bipbop_audio", range(1, 6), ".m4s"); 28 ms.endOfStream(); 29 await Promise.all([once(el, "durationchange"), once(ms, "sourceended")]); 30 ok(true, "endOfStream completed"); 31 // Seek to the middle of the gap where audio is missing. As we are in readyState = ended 32 // seeking must complete. 33 el.currentTime = videosb.buffered.end(0) / 2 + audiosb.buffered.end(0) / 2; 34 ok(el.currentTime - audiosb.buffered.end(0) >= 1, "gap is big enough"); 35 is(el.buffered.length, 1, "continuous buffered range"); 36 is(el.buffered.end(0), videosb.buffered.end(0), 37 "buffered range end is aligned with longest track"); 38 ok(el.seeking, "element is now seeking"); 39 ok(el.currentTime >= el.buffered.start(0) && el.currentTime <= el.buffered.end(0), 40 "seeking time is in buffered range"); 41 ok(el.currentTime > audiosb.buffered.end(0), 42 "seeking point is not buffered in audio track"); 43 await once(el, "seeked"); 44 ok(true, "we have successfully seeked"); 45 // Now ensure that we can play to the end, even though we are missing data in one track. 46 el.play(); 47 await once(el, "ended"); 48 SimpleTest.finish(SimpleTest); 49 }); 50 51 </script> 52 </pre> 53 </body> 54 </html>