brightness statistics messed up with initial black pic
changed initial values of the brightness statistics
C++ -> C conversation
QP range question solved (very likely 1<=QP<=32 according to arpi)
new experimental vertical deblocking filter
RK filter has 3dNow support now (untested)


git-svn-id: file:///var/local/repositories/mplayer/trunk/postproc@2169 b3059339-0415-0410-9bf9-f77b7e298cf2

3dnow version of the Horizontal & Vertical Lowpass filters
mmx version of the Horizontal Default filter
mmx2 & C versions of a simple filter described in a paper from ramkishor & karan
added mode flags & quality2mode function


git-svn-id: file:///var/local/repositories/mplayer/trunk/postproc@2160 b3059339-0415-0410-9bf9-f77b7e298cf2

git-svn-id: file:///var/local/repositories/mplayer/trunk/postproc@2159 b3059339-0415-0410-9bf9-f77b7e298cf2