Videoconvert needs to be optimized

[Edward Hervey]

On Tue, 2014-06-17 at 16:33 +0000, Yaroslav Andrusyak wrote:
[...]
> 
> 20% is a nice boost as for me.

  Sure ... for a function that no longer does the same thing. You've
essentially hardcoded the conversion matrix.

  Have you looked at the generated assembly of the original function ?
Maybe it's just doing expensive fetch for convert->cmatrix[][]. Try
bringing those locally ?

   Edward

> 

-- 
Edward Hervey
bilboed at bilboed.com