[FFmpeg-devel] Optimizations for Cell Broadband Engine

Luca Barbato lu_zero
Tue May 8 11:06:32 CEST 2007

John Kelley wrote:
> On 5/7/07, Loren Merritt <lorenm at u.washington.edu> wrote:
>> Are row transforms even useful on Cell? Both SSE2 and Altivec can run
>> column/transpose/column faster than row/column.
> Do you have any details on this, I'm rather new when it comes to iDCT
> algos but this sounda promising.

libavcodec/ppc/idct_altivec.c should contain everything you need.

lu - why reinventing the wheel when a good round one requires just some


Luca Barbato

Gentoo/linux Gentoo/PPC

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