[FFmpeg-devel] [PATCH] Implement histogram equalization filter.

Michael Niedermayer michaelni
Thu Nov 25 14:52:47 CET 2010


On Thu, Nov 25, 2010 at 06:11:36PM +0800, William Yu wrote:
> 2010/11/25 Michael Niedermayer <michaelni at gmx.at>:
> > On Thu, Nov 25, 2010 at 01:59:06AM +0100, Stefano Sabatini wrote:
> >> On date Sunday 2010-11-21 18:57:46 +0100, Michael Niedermayer encoded:
> >> > On Sat, Nov 20, 2010 at 04:44:01PM +0100, Stefano Sabatini wrote:
> >> > > ---
> >> > > ?configure ? ? ? ? ? ? ? ?| ? ?1 +
> >> > > ?libavfilter/Makefile ? ? | ? ?1 +
> >> > > ?libavfilter/allfilters.c | ? ?1 +
> >> > > ?libavfilter/vf_histeq.c ?| ?217 ++++++++++++++++++++++++++++++++++++++++++++++
> >> > > ?4 files changed, 220 insertions(+), 0 deletions(-)
> >> > > ?create mode 100644 libavfilter/vf_histeq.c
> >> >
> >> > if you confirmed that this is binary identical to donalds filter then ok
> >>
> >> Uhm no, VirtualDub works in RGB colorspace this in YUV colorspace. I
> >
> > I was unaware of there being significnat changes between
> > your code and donalds code.
> >
> > What we need is porting existing filters without introducing bugs.
> > The best way to do this is a wraper around libmpcodecs.
> I have a question: In my mind, the filters in libmpcodecs seems depend
> on other mplayer's codes.
> If we make a wraper around libmpcodecs, how to eliminate those dependencies?

something with dlopen(), how exactly would have to be determined as this is
being implemented

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Republics decline into democracies and democracies degenerate into
despotisms. -- Aristotle
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