FFmpeg Installation in Ubuntu 20.04 – Step-by-step

Installing

2. 2. Enabling FFmpeg PPA Repo

   Add FFmpeg PPA for Ubuntu GNU/Linux

   Install FFmpeg Repo for Ubuntu

   FFmpeg PPA for Ubuntu

   Skip the Repo Setup if you simply want Installed the ffmpeg from the Focal Repo.

3. 3. Installing FFmpeg

   Then to Install FFmpeg in Ubuntu
   Simply play:

   sudo apt install ffmpeg x264 x265