Install ffmpeg on Ubuntu Linux

Ubuntu Linux (14.04) does not have ffmpeg in default package source repositories. ffmpeg can be installed using mc3man ppa (personal package archive) using the following steps.

1. Add mc3man ppa to apt source

   $ sudo add-apt-repository ppa:mc3man/trusty-media
   

2. Resynchronize the package index files from their sources

   $ sudo apt-get update
   

3. Check where will ffmpeg be installed

   $ apt-cache policy ffmpeg
   ffmpeg:
     Installed: (none)
     Candidate: 7:2.8.4+git1~trusty
     Version table:
        7:2.8.4+git1~trusty 0
           500 http://ppa.launchpad.net/mc3man/trusty-media/ubuntu/ trusty/main amd64 Packages
   

4. Install ffmpeg using apt-get

   $ sudo apt-get install ffmpeg