[FFmpeg-user] How do I use showinfo?

[Peter B.]

Stefan Scott Alexander wrote:
> I assume if two frames are identical, then their checksums will also be
> identical.)
>   
Be careful: This only works for synthetically duplicated frames!

For example, if you would have a recording of an empty wall with nothing
moving at all, you'd still have noise on the video (even if recorded
digitally), which would lead to completely different checksums.

Pb