we have experience with ffmpeg.
My Skill
Network: Cisco,HPE,H3C,Juniper,Palo Alto,Mikrotik [ Routing , BGP, OSPF ]
Linux : Redhat , CentOS, Debian
Windows : 2003,2008,2012,2016,2019
VoIP : (Asterisk , Cisco)
Programming : (PHP,JAVA,C++,C#,Perl,Python)
Embedded : raspberry pi,lattepanda,arduino