x/yInc bugfix (bug was introduced during the global var removial)
more emms & no messing with ARCH_X86 (=workaround against not cleared mmx state somewhere)
sharpening filter (-ssf cs=<int> & -ssf ls=<int>)


git-svn-id: file:///var/local/repositories/mplayer/trunk/postproc@4298 b3059339-0415-0410-9bf9-f77b7e298cf2