On Fri, 1 Feb 2019, Jason Stevens wrote:

> Ffmpeg can extract images from a video file.  I used imagemagik to do a CGA palettized version of a video and ffmpeg to stitch it all back together.
>
> I can get the flags..

I can't remember it all, but I want to say you start with "ffmpeg -i 
filename.mp4 flnm%04d.png"

I usually use Avisynth on Windows together with ffmpeg to do the opposite, 
because it has ImageSource(), but I suppose ffmpeg can do it by itself 
too.

-uso.