[Ffmpeg-devel] upsampling of subsampled video data

Michael Niedermayer michaelni
Tue Sep 12 22:44:29 CEST 2006


Hi

On Tue, Sep 12, 2006 at 09:14:58PM +0200, Attila Kinali wrote:
[...]
> > > BTW: while we are at it, how important is it to have a
> > > YUV->RGB converter that supports different standards?
> > > Ie, IIRC there are 3 different coefficients for YUV<->RGB
> > > conversion by different standards groups. Is it important
> > > to have a programmable converter to select one of these,
> > > or would be one constant enough without too much quality
> > > los for the others?
> > 
> > my guess would be that a single one will be ok if complexity is an issue and
> > it sounds like that is the case
> 
> Which one would you choose, if you had to choose one?

the default one from swscale (me hopes that ive wisely choosen that when i
wrote it)
also look at yuv2rgb and what it uses as default (it should be the same as
swscale IIRC)

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

In the past you could go to a library and read, borrow or copy any book
Today you'd get arrested for mere telling someone where the library is




More information about the ffmpeg-devel mailing list