[FFmpeg-devel] [PATCH] lavfi: add asendcmd and sendcmd filters

[Nicolas George]

L'octidi 28 vendémiaire, an CCXXI, Clément Bœsch a écrit :
> Still, it has some interesting properties: I had to extract accurately a
> sequence from an input, and while I was able to start exactly at the scene
> change I was looking for, I add to play for a while with the timestamps,
> hoping I didn't miss any frame with my dichotomy. If I could have
> expressed it in frame id, I would just have to look for an approximative
> position, and start incrementing the frame id until the event I was
> looking for.

You could have just drawn the timestamp on the frame (using drawtext,
assuming it can do that, and if it does not it should) to get directly the
good one. Or used ffprobe or showinfo to get the list of all existing
timestamps to help your dichotomy.

Regards,

-- 
  Nicolas George