orginal patch by (Marc Hoffman <mmh at pleasantst dot com>)
critical fixes by (Reza Jelveh <reza.jelveh at tu-harburg dot de>)
known bugs/issues, which should be fixed ASAP by someone who has a ppc:
0..255 vs. 16..235
unneeded recalculation of tables
general cleaup, like removing double initalizing of variables
Originally committed as revision 12699 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc
Based on Bernard Leak's mail <bernard 4t brenda-arkle.demon.co.uk>
Originally committed as revision 11001 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc
quite impressive results only 1 of the 13 rgb->rgb converters fails for the c versions
... sadly only 1 of the mmx converters passes though :( ... i feared allready that last mplayerxp merge reversed the bugfixes :((((
Originally committed as revision 6604 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc
