FFmpeg Ubuntu 21.04 Installation – 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 Hirsute Repo.

3. 3. Installing FFmpeg

   Then to Install FFmpeg in Ubuntu
   Simply play:

   sudo apt install ffmpeg x264 x265