[FFmpeg-devel] [PATCH] Document sws_normalizeVec()

Michael Niedermayer michaelni
Sat Feb 14 19:01:20 CET 2009


On Sat, Feb 14, 2009 at 06:08:04PM +0100, Stefano Sabatini wrote:
> On date Saturday 2009-02-14 16:31:24 +0100, Michael Niedermayer encoded:
> > On Sat, Feb 14, 2009 at 04:15:26PM +0100, Stefano Sabatini wrote:
> > > Hi all,
> > > 
> > > I'm not sure the patch implements the proper terminology, suggestions
> > > are very welcome.
> > > 
> > > BTW, what does sws_dcVec() stands for?
> > > 
> > > Regards.
> > > -- 
> > > FFmpeg = Forgiving and Faithless Martial Puritan Embarassing Goblin
> > 
> > > Index: ffmpeg/libswscale/swscale.h
> > > ===================================================================
> > > --- ffmpeg.orig/libswscale/swscale.h	2009-02-14 16:09:00.000000000 +0100
> > > +++ ffmpeg/libswscale/swscale.h	2009-02-14 16:11:53.000000000 +0100
> > > @@ -165,6 +165,14 @@
> > >   * Scales all the coefficients of \p a by the \p scalar value.
> > >   */
> > >  void sws_scaleVec(SwsVector *a, double scalar);
> > > +
> > > +/**
> > > + * Normalizes the vector \p a for the height \p height, scaling its
> > > + * coefficients by a proper value.
> > 
> > tip: avoid repeating information, that is the word "normalize" when the
> > function name alraedy contains it
> > 
> > "Scales the all coefficients so that their sum equals height"
> > (note ive not RTFS! just assuming that is exactly what it does)
> 
> Yes, much better, regards.

ok

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

It is not what we do, but why we do it that matters.
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