Re: [Openexr-devel] On YUV support

[Billy Biggs]

Drew Hess (address@hidden):

> We have a new release coming out any day now which defines some more
> channel names, esp. for specifying color spaces.  Look for it next
> week.

  Is this is in CVS too?

> Billy, re: your YUV comments, I tend to agree with you.  The OpenEXR
> format doesn't require that files store linear intensities (though
> that's what applications expect for RGB triples, anyway), so "YUV"
> could be stored gamma-corrected 0-1.  There might be a few advantages
> to using OpenEXR over PNG or other formats due to its ability to store
> channel attributes, but overall, yeah, there's no compelling reason to
> use OpenEXR for YUV.  I don't know of an application that does,
> currently.
> 
> There are also some new HD cameras which use log curves to encode HDR
> information in the signal, but whether these operate in some funky
> over-range YUV space or log-encoded RGB, I don't know.  I'll try to
> find out.

  Sounds great and makes sense, thanks.

  -Billy