On 2019-03-06 10:48, Gerardo Ballabio wrote:
I guess my question was too specific. I'll try asking directly on ffmpeg mailing list. Thanks Gerardo
probably best. I've only used ffmpeg to extract frames. The syntax can be a bit daunting.What I'd probably do is extract a frame of concern and see if there is a way to adjust curves by eye in Gimp and get/translate numbers from Gimp for use in ffmpeg.
mick -- Key ID 4BFEBB31