Hi all, We've had several reports these last days regarding playback issue in Kdenlive , and traced some of the problems to 2 MLT commits that were pushed on the 8th of July:
1. https://github.com/mltframework/mlt/commit/ 1f0323d8aafa742216968f57c98f259328bb5bea and 2. https://github.com/mltframework/mlt/commit/ c868d5eef34e61cbbc61e43e5f7177e5b1f8b7cc With the first commit, playback is broken at least with the test file when using the standard NTSC profiles. This bug report [https://bugs.kde.org/show_bug.cgi?id=492892[1]] contains an avi ntsc video file: https://we.tl/t-MqSoKFV6LQ[2] Interestingly, playing this file with the automatic profile works: melt snip.avi, plays correctly But playing with an NTSC profile: melt -profile dv_ntsc snip.avi just plays a frozen first frame. The difference is in the profile's framerate: Automatic profile is 2997/100 DV_NTSC profile is 30000/1001 Reverting the first above commit fixes the playback feeeze. ---------------------------------------------------------------------- The second commit causes frozen frames on playback and render with MPEG 4 files. Issue was reported in this bug report [https://bugs.kde.org/show_bug.cgi? id=492692], and we reproduced it locally. Reverting this commit fixes the issue and playback is smooth again. I am not really familiar enough with avformat internals to propose a fix, but am willing to help in any possible way. Thanks for your work and best regards Jean-Baptiste -------- [1] https://bugs.kde.org/show_bug.cgi?id=492892 [2] https://we.tl/t-MqSoKFV6LQ
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