The standard gstreamer plugins (base, good, bad, ugly) should support this. I don't know why none of them work in impish for H264 + AAC. Although this plugins package does work:
sudo apt install gstreamer1.0-libav -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1941979 Title: Missing plugin: gstreamer|1.0|totem|MPEG-4 AAC To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/totem/+bug/1941979/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs