mccFFMPEG is so great… whatever it is you need to do with a video file, all you have to do is type "ffmpeg [thing i need to do]" into Google, copy-paste your first result, and then it doesn't fucking work
Tóth Gábor Baltazár@mcc their documentation for both API and CLI is a mess, if you can even find it
I had to wrestle it years ago when I did raw video on a phone
mika 
:verif