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| 1 | +<!DOCTYPE html> |
| 2 | +<html> |
| 3 | +<head> |
| 4 | + <title>mock-media-source</title> |
| 5 | + <script src="mock-media-source.js"></script> |
| 6 | + <script src="../video-test.js"></script> |
| 7 | + <script> |
| 8 | + var source; |
| 9 | + var sourceBuffer; |
| 10 | + var initSegment; |
| 11 | + var exception; |
| 12 | + |
| 13 | + function bufferedRanges() { |
| 14 | + var bufferedRanges = '[ '; |
| 15 | + var timeRanges = sourceBuffer.buffered; |
| 16 | + for (var i = 0 ; i < timeRanges.length ; i++) { |
| 17 | + if (i) |
| 18 | + bufferedRanges += ', '; |
| 19 | + bufferedRanges += timeRanges.start(i) + '...' + timeRanges.end(i); |
| 20 | + } |
| 21 | + bufferedRanges += ' ]'; |
| 22 | + return bufferedRanges; |
| 23 | + } |
| 24 | + |
| 25 | + async function appendPtsRange(firstPts, lastPts) { |
| 26 | + var resultException = null; |
| 27 | + for (var pts = firstPts; pts <= lastPts; pts++) { |
| 28 | + try { |
| 29 | + consoleWrite('Appending PTS='+pts); |
| 30 | + sourceBuffer.appendBuffer(makeASample(pts, pts, 1, 1, 1, SAMPLE_FLAG.SYNC, 1)); |
| 31 | + await waitFor(sourceBuffer, 'updateend'); |
| 32 | + } catch (e) { |
| 33 | + resultException = e; |
| 34 | + sourceBuffer.abort(); |
| 35 | + break; |
| 36 | + } |
| 37 | + } |
| 38 | + return resultException; |
| 39 | + } |
| 40 | + |
| 41 | + if (window.internals) |
| 42 | + internals.initializeMockMediaSource(); |
| 43 | + |
| 44 | + window.addEventListener('load', async() => { |
| 45 | + findMediaElement(); |
| 46 | + source = new MediaSource(); |
| 47 | + |
| 48 | + const videoSource = document.createElement('source'); |
| 49 | + videoSource.type = 'video/mock; codecs=mock'; |
| 50 | + videoSource.src = URL.createObjectURL(source); |
| 51 | + video.appendChild(videoSource); |
| 52 | + |
| 53 | + await waitFor(source, 'sourceopen'); |
| 54 | + sourceBuffer = source.addSourceBuffer("video/mock; codecs=mock"); |
| 55 | + initSegment = makeAInit(-1, [makeATrack(1, 'mock', TRACK_KIND.VIDEO)]); |
| 56 | + sourceBuffer.appendBuffer(initSegment); |
| 57 | + await waitFor(sourceBuffer, 'updateend'); |
| 58 | + |
| 59 | + testExpected('isNaN(source.duration)', true, '=='); |
| 60 | + |
| 61 | + // This should allow bufering up to 177 (empirically tested). |
| 62 | + internals.settings.setMaximumSourceBufferSize(3000); |
| 63 | + |
| 64 | + exception = await appendPtsRange(120, 176); |
| 65 | + |
| 66 | + video.currentTime = 175; |
| 67 | + testExpected('video.currentTime', 175, '=='); |
| 68 | + |
| 69 | + testExpected('bufferedRanges()', '[ 120...132, 162...177 ]', '=='); |
| 70 | + |
| 71 | + video.currentTime = 115; |
| 72 | + testExpected('video.currentTime', 115, '=='); |
| 73 | + await appendPtsRange(109, 119); |
| 74 | + testExpected('bufferedRanges()', '[ 109...132, 162...177 ]', '=='); |
| 75 | + endTest(); |
| 76 | + }); |
| 77 | + </script> |
| 78 | +</head> |
| 79 | +<body> |
| 80 | + This tests rewind seeks in a live stream. The sample eviction algorithm should attempt to remove |
| 81 | + some samples without going into an infinite loop. |
| 82 | + <video></video> |
| 83 | +</body> |
| 84 | +</html> |
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