http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27006
This bug caused certain movies (444P or RGB/BGR-based) to become brighter
and more purple when played on a YV12 vo.
Originally committed as revision 18047 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc
cleanup by me
indention fixed
second one must be yv12touyvy instead of yv12toyuy2
replace slow modulo by bitwise and
move %16!=0 code before the comment saying the code cant handle %16!=0
Originally committed as revision 15825 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc