[FFmpeg-devel] [PATCH] Move VC1 loop filter to DSPContext

Michael Niedermayer michaelni
Wed Apr 1 19:37:25 CEST 2009

On Wed, Apr 01, 2009 at 04:23:26AM -0400, David Conrad wrote:
> Hi,
> First patch moves VC1's loop filter function as is to DSPContext, the 
> second splits it according h/v and size for faster/easier simd 
> implementations.
> Since these functions require 16 bit arithmetic, there isn't really a speed 
> advantage to having size 16 functions in simd. I kept them for consistency 
> and because it's a bit uglier to use size 8 x2 in vc1_loop_filter_iblk.

The changes to files maintained by me are ok, assuming it has been verified
that the vc1 loop filter is bitexact relative to the binary codec
(i would not want incorrect code to be optimized)

Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

He who knows, does not speak. He who speaks, does not know. -- Lao Tsu
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