How to Install h.264 decoder on Ubuntu Linux [Proper Way]
How to Install h.264 decoder on Ubuntu Linux [Proper Way]
How to Install h.264 decoder on Ubuntu
VLC media player - Wikipedia
QWinFF Media Converter - KDE Store
notice two things with winff windows 64
vlc - Unable to play video on ubuntu 21. AC-3(ATSC A/52) decoder, MPEG-4 AAC decoder. H.264High profile decoder are required to play this file - Ask Ubuntu