| <!DOCTYPE html> |
| <html> |
| <head> |
| <title>mock-media-source</title> |
| <script src="mock-media-source.js"></script> |
| <script src="../video-test.js"></script> |
| <script> |
| var source; |
| var sourceBuffer; |
| var initSegment; |
| var exception; |
| |
| function bufferedRanges() { |
| var bufferedRanges = '[ '; |
| var timeRanges = sourceBuffer.buffered; |
| for (var i = 0 ; i < timeRanges.length ; i++) { |
| if (i) |
| bufferedRanges += ', '; |
| bufferedRanges += timeRanges.start(i) + '...' + timeRanges.end(i); |
| } |
| bufferedRanges += ' ]'; |
| return bufferedRanges; |
| } |
| |
| async function appendPtsRange(firstPts, lastPts) { |
| var resultException = null; |
| for (var pts = firstPts; pts <= lastPts; pts++) { |
| try { |
| consoleWrite('Appending PTS='+pts); |
| sourceBuffer.appendBuffer(makeASample(pts, pts, 1, 1, 1, SAMPLE_FLAG.SYNC, 1)); |
| await waitFor(sourceBuffer, 'updateend'); |
| } catch (e) { |
| resultException = e; |
| sourceBuffer.abort(); |
| break; |
| } |
| } |
| return resultException; |
| } |
| |
| if (window.internals) |
| internals.initializeMockMediaSource(); |
| |
| window.addEventListener('load', async() => { |
| findMediaElement(); |
| source = new MediaSource(); |
| |
| const videoSource = document.createElement('source'); |
| videoSource.type = 'video/mock; codecs=mock'; |
| videoSource.src = URL.createObjectURL(source); |
| video.appendChild(videoSource); |
| |
| await waitFor(source, 'sourceopen'); |
| sourceBuffer = source.addSourceBuffer("video/mock; codecs=mock"); |
| initSegment = makeAInit(-1, [makeATrack(1, 'mock', TRACK_KIND.VIDEO)]); |
| sourceBuffer.appendBuffer(initSegment); |
| await waitFor(sourceBuffer, 'updateend'); |
| |
| testExpected('isNaN(source.duration)', true, '=='); |
| |
| // This should allow bufering up to 177 (empirically tested). |
| internals.settings.setMaximumSourceBufferSize(3000); |
| |
| exception = await appendPtsRange(120, 176); |
| |
| video.currentTime = 175; |
| testExpected('video.currentTime', 175, '=='); |
| |
| testExpected('bufferedRanges()', '[ 120...132, 162...177 ]', '=='); |
| |
| video.currentTime = 115; |
| testExpected('video.currentTime', 115, '=='); |
| await appendPtsRange(109, 119); |
| testExpected('bufferedRanges()', '[ 109...132, 162...177 ]', '=='); |
| endTest(); |
| }); |
| </script> |
| </head> |
| <body> |
| This tests rewind seeks in a live stream. The sample eviction algorithm should attempt to remove |
| some samples without going into an infinite loop. |
| <video></video> |
| </body> |
| </html> |
