Re: [Schrodinger-devel] Stream compatibility with Dirac [patch]

[Thomas D. <tho...@bb...>]

Actually, the specification is broken. Picture data used to be unsigned, and
so when no dc value was available for prediction the mid-point was a
sensible option. When the picture data became signed, zero became the
sensible option. I just forgot to update the spec and the code. Sorry!

regards

Thomas

On 11/12/2007, David Schleef <ds...@sc...> wrote:
>
> On Tue, Dec 11, 2007 at 01:10:00PM +0100, Wladimir van der Laan wrote:
> > This small patch makes that dirac (svn head) can play back streams
> created
> > by Dirac reference implementation (cvs). It seems schroedinger and dirac
> > have a slightly different concept of predicting the motion compensation
> DC
> > component. It might be useful for people that want to test different
> > encoders.
>
> Good catch.  If I'm not mistaken, they're both broken :)
>
> Fixed now.
>
>
>
> dave...
>
>
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