Using mouse or keyboard shortcuts, how can I get the gamma or brightness value from ffplay to pass it to ffmpeg later instead of trial and error??
The question on this link lead me to ask the question above. ffmpeg Color Correction: Gamma, Brightness and Saturation
re-running the ffplay each time is obnoxious and pollutes my shell history. I used in VLC the menu item [ Tools->"Effects and Filters" ] in order to get a guessed approximate or estimated value to pass it to ffmpeg later . thanks.