git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@13721 b3059339-0415-0410-9bf9-f77b7e298cf2
for removing duplicate frames from telecined video that was incorrectly deinterlaced. Minor bugfixes added by me. git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@12226 b3059339-0415-0410-9bf9-f77b7e298cf2