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Quelle test_SeekToEnd_mp4.html Sprache: HTML |
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<!DOCTYPE HTML> <html> <head> <title>MSE: seeking to end of data with data gap.</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, el) => { await once(ms, "sourceopen"); ok(true, "Receive a sourceopen event"); const videosb = ms.addSourceBuffer("video/mp4"); const audiosb = ms.addSourceBuffer("audio/mp4"); await fetchAndLoad(videosb, "bipbop/bipbop_video", ["init"], ".mp4"); await fetchAndLoad(videosb, "bipbop/bipbop_video", range(1, 6), ".m4s"); await fetchAndLoad(audiosb, "bipbop/bipbop_audio", ["init"], ".mp4"); is(videosb.buffered.length, 1, "continuous buffered range"); // Ensure we have at least 2s less audio than video. audiosb.appendWindowEnd = videosb.buffered.end(0) - 2; await fetchAndLoad(audiosb, "bipbop/bipbop_audio", range(1, 6), ".m4s"); ms.endOfStream(); await Promise.all([once(el, "durationchange"), once(ms, "sourceended")]); ok(true, "endOfStream completed"); // Seek to the middle of the gap where audio is missing. As we are in readyState = ended // seeking must complete. el.currentTime = videosb.buffered.end(0) / 2 + audiosb.buffered.end(0) / 2; ok(el.currentTime - audiosb.buffered.end(0) >= 1, "gap is big enough"); is(el.buffered.length, 1, "continuous buffered range"); is(el.buffered.end(0), videosb.buffered.end(0), "buffered range end is aligned with longest track"); ok(el.seeking, "element is now seeking"); ok(el.currentTime >= el.buffered.start(0) && el.currentTime <= el.buffered.end(0), "seeking time is in buffered range"); ok(el.currentTime > audiosb.buffered.end(0), "seeking point is not buffered in audio track"); await once(el, "seeked"); ok(true, "we have successfully seeked"); // Now ensure that we can play to the end, even though we are missing data in one track. el.play(); await once(el, "ended"); SimpleTest.finish(SimpleTest); }); </script> </pre> </body> </html>
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2026-04-04