Public bug reported: PROBLEM: mplayer does not support AV1/dav1d videos.
$ mplayerF The\ Simplest\ Math\ Problem\ No\ One\ Can\ Solve\ -\ YouTube.mkv ========================================================================== Cannot find codec matching selected -vo and video format 0x31305641. ========================================================================== -> audio but no video $ vlc The\ Simplest\ Math\ Problem\ No\ One\ Can\ Solve\ -\ YouTube.mkv VLC media player 3.0.9.2 Vetinari (revision 3.0.9.2-0-gd4c1aefe4d) -> works perfectly Problem seems to have been solved a few months ago for Mageia: https://bugs.mageia.org/show_bug.cgi?id=28504 It seems the source of the problem is that mplayer is bundled with an outdated ffmpeg... Video was downloaded from: https://www.youtube.com/watch?v=094y1Z2wpJg with firefox and plugin "Video Download Helper" and by selecting the mkv version. ** Affects: mplayer (Ubuntu) Importance: Undecided Status: New ** Package changed: ubuntu => mplayer (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1943062 Title: mplayer does not support AV1/dav1d (a.k.a. mplyer is bundled with an outdated ffmpeg) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mplayer/+bug/1943062/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs