Mplayer Installation Problem

[Ahmed Abdel-Aliem <me2resh gmail com>]

Hi
i am trying to install mplayer on FC4 using yum.
it downloads the mplayer package successfully and all dependencies,
but when it start installing it gives me the following error :
Transaction Check Error:   file /usr/lib/libpostproc.so.0.0.1
conflicts between attempted installs of
ffmpeg-0.4.9-0.lvn.0.18.20050801.4 and libpostproc-1.0-0.1
6.pre7.2.fc4
then it exits.
can anyone plz help me with that ?
thanks in advance.
-- 
Ahmed Abdel-Aliem
Web Developer
www.SafariStudio.net
+20101108551
registered Linux user number 382789