[FFmpeg-devel] [PATCH] vf_fade: fade alpha

Michael Niedermayer michaelni at gmx.at
Thu Nov 3 17:17:17 CET 2011

On Thu, Nov 03, 2011 at 03:51:12PM +0000, Mark Himsley wrote:
> On 03/11/11 15:36, Michael Niedermayer wrote:
> >On Thu, Nov 03, 2011 at 01:10:07AM +0000, Mark Himsley wrote:
> >>also 8 bit RGB and YUV formats with alpha to allowed input formats.
> >>
> >>If the input has alpha then only alpha levels are altered.
> >
> >i think this should be configureable, a user might want something
> >else
> >alpha fade would fade to transparent while otherwise it would fate to
> >opaque black
> >
> >[...]
> I haven't been able to think of a use case where a user would want
> the fill to fade to black leaving the alpha untouched, but I'll add
> alpha fade as an option anyway.
> BTW. I was worried, would you prefer the patch as two changes, one
> to add the functionality and one to reformat the old code, so it is
> easy to see what has actually changed?

that would be preferable

> I'm assuming you had no objections to the overall method of the
> change to the current luma path.
> Thanks.
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Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Dictatorship naturally arises out of democracy, and the most aggravated
form of tyranny and slavery out of the most extreme liberty. -- Plato
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