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RPi lovers. Running Buster on an RPi3, which I just upgraded to from Raspbian Stretch. My omxplayer used to work fine right before the upgrade, and now after the upgrade if I try to play a video file (mp4, mkv, whatever...) it does play it back but both video and sound are accelerated (like if you fast forward).

I have searched the Internet to no avail and don't really know where to start debugging this type of questions (I mean I don't even get an error message). What I do get after stopping playback, having run omxplayer from command line, is the following line (among others) which may be relevant:

Video codec omx-h264 width 1920 height 804 profile 100 fps 25.000000

I'm sort of stuck and would appreciate if anyone could maybe hint at how to try and solve this - where to look, etc. I'll post the output of anything you guys need me to. I have been using my RPi3 for different purposes for over a year now, and I am no beginner in Linux, but I don't know much about omxplayer per se or how it works.

If the question is not clear or is laking information please tell. First time posting on this subforum because I have not found anything that could help me in it. Cheers and thanks in advance for any help!

EDIT: just removed omxplayer with the --purge option and then installed again (after an update), but it does not solve the problem.

  • Did you re-flash your sd card with Buster? – CoderMike Apr 7 at 14:43
  • Thank you for answering! No, I did not. I truly upgraded from Stretch via apt, so it is not a fresh install. – Gustavo Lucena Gómez Apr 7 at 14:59
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    It is recommended to do a fresh install of Buster. – CoderMike Apr 7 at 15:29
  • I ... do not think that is true? In any case, it is far from advised-against - as I have it, but feel free to point me to some official source info - to upgrade from Stretch. At any rate, it should be feasible to debug this problem, I guess. I hope someone has some other idea than this recommendation (if we had to reinstall from scratch every OS everytime something stops working after an upgrade, we would be pretty busy :-)) – Gustavo Lucena Gómez Apr 7 at 17:30
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    'We do not recommend upgrading an existing Stretch (or earlier) system to Buster – we can’t know what changes everyone has made to their system, and so have no idea what may break when you move to Buster.' raspberrypi.org/blog/buster-the-new-version-of-raspbian – CoderMike Apr 7 at 19:26

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