we use 'x - minb' to draw bg box when x>=0. git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@25449 b3059339-0415-0410-9bf9-f77b7e298cf2
we use 'x - minb' to draw bg box when x>=0. git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@25449 b3059339-0415-0410-9bf9-f77b7e298cf2