[FFmpeg-user] Removing an overlay

Nicolas George nicolas.george at normalesup.org
Fri Apr 26 22:40:20 CEST 2013

Le septidi 7 floréal, an CCXXI, Greg a écrit :
> I have videos where I've already added an overlay( a transparent
> png), over the years, the overlay command has been adjusted a bit,
> so that the "watermark" would appear correctly, but the image has
> remained the same.
> Is there any way I can pull the overlay off?

I suspect that if you have the exact original logo, and its opacity is not
almost 1, you can revert the overlaying much more accurately than remove
logo will ever be able to.

I do not think it is implemented yet (but look at -vf blend maybe), but it
would not be hard.


  Nicolas George
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