[FFmpeg-devel] [PATCH] lavfi: add curves filter.
ubitux at gmail.com
Tue Mar 5 19:33:56 CET 2013
On Tue, Mar 05, 2013 at 06:12:16PM +0000, Paul B Mahol wrote:
> >> > + at section curves
> >> > +
> >> > +Apply color adjustments using curves.
> >> > +
> >> > +This filter is similar to the Adobe Photoshop and GIMP curves tools.
> >> > Each
> >> Mentioning those two does not explain in simple terms what filter actually
> >> does.
> > Yeah, consider it an introduction sentence. Is the following explanation
> > unclear?
> It does not explain relation between curve and color components in image.
The second paragraph was meant to explain that, but it might not be
enough. I'll try to come up with an additional explanation in the next
> How hard would it be to support rgb48?
Mmh, should be relatively easy. Just change the graph from uint8_t to
uint16_t and use a variable scaling in places where it uses 255 (should be
trivial). The interpolation is done with double in [0;1] so it should be
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