[FFmpeg-devel] PATCH BlackFin yuv2rgb color space conversion

Marc Hoffman mmh
Thu May 10 14:03:07 CEST 2007


Michael Niedermayer writes:
 > Hi
 > 
 > On Wed, May 09, 2007 at 09:29:57PM -0400, Marc Hoffman wrote:
 > > Michael Niedermayer writes:
 > >  > Hi
 > >  > 
 > >  > On Wed, May 09, 2007 at 08:25:19PM -0400, Marc Hoffman wrote:
 > >  > > Michael Niedermayer writes:
 > >  > >  > Hi
 > >  > >  > 
 > >  > >  > On Tue, May 08, 2007 at 08:46:32PM -0400, Marc Hoffman wrote:
 > >  > >  > > 
 > >  > >  > > Blackfin optimized YUV420 to RGB CSC Color Space Converters.
 > >  > >  > > 
 > >  > >  > > This patch includes YUV2 -> RGB BGR for 565, 555 and 888 a.k.a. 24bit  
 > >  > >  > > color.
 > >  > >  > > 
 > >  > >  > > Performance gain compared against -O3:
 > >  > >  > > 
 > >  > >  > > 2779809/1484290 187.28%
 > >  > >  > > 
 > >  > >  > > which normalized translates to ~33c/pel for the reference C vs ~17.5
 > >  > >  > > c/pel for this optimized implementation.
 > >  > >  > > 
 > >  > >  > > Please review again, I hope I got everyones points if I didn't I'm  
 > >  > >  > > sorry but there was a lot of feedback in the first round.
 > >  > >  > 
 > iam fine with either

ok -- thanks for your rigorous review.
Thanks
Marc

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