[Ffmpeg-devel] snow and cmp functions

Michael Niedermayer michaelni
Thu Jan 12 12:30:58 CET 2006


On Wed, Jan 11, 2006 at 10:33:19PM -0800, Loren Merritt wrote:
> What would be the cleanest way to add 32x32 cmp functions to dsputil? 
> particualrly w97 and w53, where they aren't equivalent to 4 16x16 calls.
> Currently, all(?) code in lavc uses literal numbers for dsputil table 
> indices, so I can't easily bump the numbers up, and some code also assumes 
> the indices are in order of decreasing size.

well, first start replacing literal number idices by some macros/#defined 
constants then add the 32x32 case, maintaining some half size ordering is 
probably a good idea


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