Alex Beregszaszi writes: > > @@ -183,11 +183,11 @@ > > > > -vf unsharp=l|cWxH:amount[:l|cWxH:amount] > > unsharp mask / gaussian blur. > > - l apply effect on luma component > > + l apply effect on luma components > there's only 1 luma component (Y) Oops, thanks, fix in a moment.. Diego