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

[Michael Niedermayer]

On Sat, Nov 01, 2014 at 07:30:32PM +0530, arwa arif wrote:
> On Sat, Nov 1, 2014 at 4:40 PM, Stefano Sabatini <stefasab at gmail.com> wrote:
> 
> > On date Saturday 2014-11-01 04:27:24 +0530, arwa arif encoded:
> > [...]
> > > On Fri, Oct 31, 2014 at 6:31 PM, Stefano Sabatini <stefasab at gmail.com>
> > > From 9b6b1d546247cf61b2f696835fb8a5e782d353ea Mon Sep 17 00:00:00 2001
> > > From: Arwa Arif <arwaarif1994 at gmail.com>
> > > Date: Thu, 30 Oct 2014 22:06:20 +0530
> > > Subject: [PATCH] [PATCH]lvafi: add xbr filter
> >
> > typo: lvafi
> >
> > >
> > > ---
> > >  doc/filters.texi         |    5 +
> > >  libavfilter/Makefile     |    1 +
> > >  libavfilter/allfilters.c |    1 +
> > >  libavfilter/vf_xbr.c     |  331
> > ++++++++++++++++++++++++++++++++++++++++++++++
> > >  4 files changed, 338 insertions(+)
> > >  create mode 100644 libavfilter/vf_xbr.c
> > [...]
> >
> > Code looks good to me, apart a few cosmetics nits which I can fix
> > myself before pushing.
> >
> > About Michael's question, is it possible to compare it with the
> > reference filter?
> >
> 
> I compared the output with the code from scale2x "
> http://scale2x.sourceforge.net/". I have attached the ouput with this mail.
> foobar.png denotes the original image.
> foobar_ref,png denotes the output from scale2x.
> foobar_out.png denotes the output from the code written.

the ref and out images look somewhat different
also, what is the relation between scale2x and xbr ?

http://scale2x.sourceforge.net/index.html
states that
"Other interesting effects are HQx and xBR. These effects are a bit slower than Scale2x, but surely in the grasp of modern processors. "

This does not sound like scale2x and xbr are the same thing

[...]


-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Freedom in capitalist society always remains about the same as it was in
ancient Greek republics: Freedom for slave owners. -- Vladimir Lenin
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