Running 17.10 (gnome session and xorg). I seem to have lost the ability to playback videos in Web(Epiphany), Videos(Totem) and Gthumb. Other applications such as VLC and Gnome MPV still work fine, as does Firefox. Have I accidentally disrupted a dependency or something? Any help would be very welcome!
Thanks!
To add a little more detail i was geting audio but no image just a green screen in all the named apps. This solved it:
sudo apt purge gstreamer1.0-vaapi