> Libav has also been deprecated in Ubuntu long ago, so it's not clear what you refer to I'm referring to the libav* libraries which are part of the ffmpeg pro

> Libav has also been deprecated in Ubuntu long ago, so it's not clear what you refer to I'm referring to the libav* libraries which are part of the ffmpeg project (not the horribly-named libav fork) - and external debian repos providing updated version of those (due to better codec support in media players, etc) such as debian-multimedia