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

[Michael Niedermayer]

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)

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

Everything should be made as simple as possible, but not simpler.
-- Albert Einstein
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