<!DOCTYPE HTML> <html> <head> <title>MSE: live seekable range</title> <script type="text/javascript" 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(function (ms, v) { ms.addEventListener("sourceopen", function () { var sb = ms.addSourceBuffer("video/webm"); // Load data with a +2 offset so that we can distinguish buffered range start // and seekable range start. sb.timestampOffset = 2; var promises = []; promises.push(fetchAndLoad(sb, 'seek', [''], '.webm')); promises.push(once(v, "loadedmetadata")); Promise.all(promises) .then(function() { ms.duration = Infinity; sb.abort(); is(sb.buffered.length, 1, "continuous buffered range"); is(sb.buffered.start(0), 2, "buffered range start at timestamp offset"); is(sb.buffered.end(0), 6.001, "buffered range end at original duration + timestamp offset"); is(v.seekable.length, 1, "continuous seekable range"); is(v.seekable.start(0), 0, "seekable range start at 0"); is(v.seekable.end(0), sb.buffered.end(0), "seekable range end at buffered end"); // LiveSeekableRange.start < buffered.start ms.setLiveSeekableRange(1, 5); is(v.seekable.length, 1, "continuous seekable range"); is(v.seekable.start(0), 1, "seekable range start at live range start"); is(v.seekable.end(0), sb.buffered.end(0), "seekable range end at buffered end"); ms.clearLiveSeekableRange(); ok(v.seekable.length, 1, "continuous seekable range"); is(v.seekable.start(0), 0, "seekable range start at 0"); is(v.seekable.end(0), sb.buffered.end(0), "seekable range end at buffered end"); // LiveSeekableRange.end > buffered.end ms.setLiveSeekableRange(1, 8); is(v.seekable.start(0), 1, "seekable range start at live range start"); is(v.seekable.end(0), 8, "seekable range end at live range end"); // LiveSeekableRange.start > buffered.start // LiveSeekableRange.end < buffered.end ms.setLiveSeekableRange(3, 5); is(v.seekable.start(0), sb.buffered.start(0), "seekable range start at buffered start"); is(v.seekable.end(0), sb.buffered.end(0), "seekable range end at live range end"); // LiveSeekableRange.start > buffered.end ms.setLiveSeekableRange(8, 10); is(v.seekable.start(0), sb.buffered.start(0), "seekable range start at buffered start"); is(v.seekable.end(0), 10, "seekable range end at live range end"); // LiveSeekableRange.end < buffered.start ms.setLiveSeekableRange(0, 2); is(v.seekable.start(0), 0, "seekable range start at live range start"); is(v.seekable.end(0), sb.buffered.end(0), "seekable range end at buffered end"); try { ms.setLiveSeekableRange(2, 0); ok(false, "start > end"); } catch (e) { ok(true, "must thow if start > end"); } SimpleTest.finish(); }); }); }); </script> </pre> </body> </html>