[FFmpeg-devel] [PATCH] Swscale - RGB48 to YUV conversion

[Michael Niedermayer]

On Wed, May 27, 2009 at 08:17:55AM +0300, Kostya wrote:
> On Tue, May 26, 2009 at 09:19:56PM +0200, Michael Niedermayer wrote:
> > On Tue, May 26, 2009 at 04:21:16PM +0300, Kostya wrote:
> > > On Tue, May 26, 2009 at 02:16:26PM +0200, Michael Niedermayer wrote:
> > > > On Tue, May 26, 2009 at 10:13:13AM +0300, Kostya wrote:
> > > > > $subj
> > > > 
> > > [...]
> > > > 
> > > > it would be nice if this wouldnt loose the 16bit per component
> > > 
> > > Indeed. But I suspect that current scaler precision is rather low to
> > > accept all 16 bits of input data and not to lose them in process.
> > 
> > The vertical scalers take more than 8 bit as input ...
> 
> Maybe, but in general SwScaler is still designed for 8-bit input, isn't
> it? I can give more bits in this converter function but where they will
> be used and how to distinguish it from usual 8-bit input?

as said the vertical scalers have more than 8bit input, just change/extend
the horizontal scaler :)


> 
> BTW, this GSoC includes libswscale cleanup so you'd better give a clear
> list of what should be done there.

I think lists have been written already for previous swscale cleanups ...
but i dont mind at all to search these lists and check/extend them once our
student needs/wants them

[...]

-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

No snowflake in an avalanche ever feels responsible. -- Voltaire
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