| This tests that an append of non-overlapping samples of varying durations, some of them under a millisecond, don't trigger accidental erasure. |
| This is done in some MP4 files, where decode durations are manipulated to code media containing B-frames while maintaining a start PTS = 0. |
| |
| RUN(video.src = URL.createObjectURL(source)) |
| EVENT(sourceopen) |
| RUN(sourceBuffer = source.addSourceBuffer("video/mock; codecs=mock")) |
| RUN(sourceBuffer.appendBuffer(initSegment)) |
| EVENT(updateend) |
| RUN(sourceBuffer.appendBuffer(makeSamples(1))) |
| EVENT(updateend) |
| EXPECTED (bufferedSamples.length == '5') OK |
| {PTS({0/10000 = 0.000000}), DTS({0/10000 = 0.000000}), duration({1/10000 = 0.000100}), flags(1), generation(1)} |
| {PTS({2000/10000 = 0.200000}), DTS({1/10000 = 0.000100}), duration({999/10000 = 0.099900}), flags(0), generation(1)} |
| {PTS({1000/10000 = 0.100000}), DTS({1000/10000 = 0.100000}), duration({1/10000 = 0.000100}), flags(0), generation(1)} |
| {PTS({4000/10000 = 0.400000}), DTS({1001/10000 = 0.100100}), duration({999/10000 = 0.099900}), flags(0), generation(1)} |
| {PTS({3000/10000 = 0.300000}), DTS({2000/10000 = 0.200000}), duration({1000/10000 = 0.100000}), flags(0), generation(1)} |
| Testing the behavior is consistent when re-appending. |
| RUN(sourceBuffer.appendBuffer(makeSamples(2))) |
| EVENT(updateend) |
| EXPECTED (bufferedSamples.length == '5') OK |
| {PTS({0/10000 = 0.000000}), DTS({0/10000 = 0.000000}), duration({1/10000 = 0.000100}), flags(1), generation(2)} |
| {PTS({2000/10000 = 0.200000}), DTS({1/10000 = 0.000100}), duration({999/10000 = 0.099900}), flags(0), generation(2)} |
| {PTS({1000/10000 = 0.100000}), DTS({1000/10000 = 0.100000}), duration({1/10000 = 0.000100}), flags(0), generation(2)} |
| {PTS({4000/10000 = 0.400000}), DTS({1001/10000 = 0.100100}), duration({999/10000 = 0.099900}), flags(0), generation(2)} |
| {PTS({3000/10000 = 0.300000}), DTS({2000/10000 = 0.200000}), duration({1000/10000 = 0.100000}), flags(0), generation(2)} |
| END OF TEST |
| |
