Re: Re: Chroma at 4:2:0 sampling.

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On 15 Oct 2001, Gerd Knorr wrote:
> Billy Biggs wrote:
> >  Gerd Knorr (kraxel@xxxxxxxxxxx):
> >  
> > > > >   So, is that the way it is now?  If so, why am I only getting
> > > > > chroma from the top field?
> > > 
> > > bttv uses one field only for chroma.
> >  
> >    Is this fixable?
> 
> I don't see any reasonable way to do interleaved croma.  The chroma
> pixels wouldn't fit to the luma samples due to the chroma downsampling
> anyway.
> 
> Just use 4:2:2 and skip the chroma scanlines you don't want.

Why is it that the bt848 can't just be programmed to skip the appropriate scan
lines?  That would be more efficient.






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