[FFmpeg-devel] [PATCH] lavfi: add xbr filter

[arwa arif]

Okay. I would try to complete it by tomorrow.

On Mon, Nov 3, 2014 at 8:02 PM, Stefano Sabatini <stefasab at gmail.com> wrote:

> On date Monday 2014-11-03 12:09:50 +0530, arwa arif encoded:
> > I mailed Sergio (Hyllian) and this is his message -
> >
> > "You can look at this thread:
> >
> > http://www.libretro.com/forums/viewtopic.php?f=6&t=134
> >
> > And there are some c/c++ implementations out there like this:
> >
> >
> https://github.com/yoyofr/iFBA/blob/master/fba_src/src/intf/video/scalers/xbr.cpp
> >
> >
> > I'm not working on it this time, though.
> >
> >
> > Hyllian."
>
> So we have:
> C++, 2xBR v3.3b, LGPL
>
> http://sourceforge.net/p/paintown/code/HEAD/tree/trunk/src/util/graphics/sdl/xbr.cpp
>
> C++, 2xBR v3.3b, GPL
>
> https://github.com/yoyofr/iFBA/blob/master/fba_src/src/intf/video/scalers/xbr.cpp
>
> The former is clearly a copy&paste from the latter, so that should be
> used as reference.
>
> paintown code was relicensed to GPL with Hyllian's consent, so we
> should be able to do the same (if licensing is a concerns, which
> probably isn't for such a fringe filter).
>
> Algorithm description can be found here:
>
> https://web.archive.org/web/20140904180543/http://board.byuu.org/viewtopic.php?f=10&t=2248
>
> (note: it was down the last time I checked).
>
> NOTE: since both are games/emulators, I suppose it won't be easy to
> make them generate a reference output, so we should rely on comparing
> the output generated by the filter with some output found on the web.
>
> @arwa: are you willing to readapt your xbr filter to make use of
> Hyllian's code?
> --
> FFmpeg = Freak and Frightening Maxi Powered Enhancing Gangster
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