[FFmpeg-devel] PATCH BlackFin yuv2rgb color space conversion
Michael Niedermayer
michaelni
Thu May 10 18:44:32 CEST 2007
Hi
On Thu, May 10, 2007 at 08:03:07AM -0400, Marc Hoffman wrote:
Content-Description: message body text
> 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
looks ok (though ive not reviewd the actual asm as my bfin knowledge is too
little)
[...]
--
Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
Why not whip the teacher when the pupil misbehaves? -- Diogenes of Sinope
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