| <!DOCTYPE html> |
| <html> |
| <head> |
| <title>media-source-append-acb-no-frame-lost</title> |
| <script src="mock-media-source.js"></script> |
| <script src="../video-test.js"></script> |
| <script> |
| var source; |
| var sourceBuffer; |
| var initSegment; |
| |
| if (window.internals) |
| internals.initializeMockMediaSource(); |
| |
| function doubleIbpSampleRun() { |
| // IBP in presentation order, IPB in decode order. |
| // Some MP4 files do a trick where they play with the decode durations to have B-frames with the presentation |
| // timeline starting at zero without using edit lists. |
| // This test checks these kind of files are handled correctly. |
| return concatenateSamples([ |
| makeASample( 0, 0, 5, 10, 1, SAMPLE_FLAG.SYNC), // I |
| makeASample(20, 5, 5, 10, 1, SAMPLE_FLAG.NONE), // P |
| makeASample(10, 10, 20, 10, 1, SAMPLE_FLAG.NONE), // B |
| makeASample(30, 30, 5, 10, 1, SAMPLE_FLAG.SYNC), // I |
| makeASample(50, 35, 5, 10, 1, SAMPLE_FLAG.NONE), // P |
| makeASample(40, 40, 20, 10, 1, SAMPLE_FLAG.NONE), // B |
| ]); |
| } |
| |
| window.addEventListener('load', async () => { |
| findMediaElement(); |
| source = new MediaSource(); |
| testExpected('source.readyState', 'closed'); |
| const sourceOpened = waitFor(source, 'sourceopen'); |
| |
| const videoSource = document.createElement('source'); |
| videoSource.type = 'video/mock; codecs=mock'; |
| videoSource.src = URL.createObjectURL(source); |
| video.appendChild(videoSource); |
| |
| await sourceOpened; |
| run('sourceBuffer = source.addSourceBuffer("video/mock; codecs=mock")'); |
| |
| initSegment = makeAInit(20, [makeATrack(1, 'mock', TRACK_KIND.VIDEO)]); |
| |
| run('sourceBuffer.appendBuffer(initSegment)'); |
| await waitFor(sourceBuffer, 'updateend'); |
| |
| run('sourceBuffer.appendBuffer(doubleIbpSampleRun())'); |
| await waitFor(sourceBuffer, 'updateend'); |
| |
| consoleWrite("Buffered:"); |
| const bufferedSamples = await internals.bufferedSamplesForTrackId(sourceBuffer, 1); |
| bufferedSamples.forEach(consoleWrite); |
| consoleWrite("Enqueued:"); |
| const enqueuedSamples = await internals.enqueuedSamplesForTrackID(sourceBuffer, 1); |
| enqueuedSamples.forEach(consoleWrite); |
| |
| endTest(); |
| }); |
| </script> |
| </head> |
| <body> |
| <video controls></video> |
| </body> |
| </html> |
