ffmpeg on centos 4.5 64bit

Hello i am running a centos 4.5 server bud ffmpeg doesn't work. i did installed it manual bud if i run the command i get this error:
[root@serv01 ffmpeg]# ffmpeg
ffmpeg: error while loading shared libraries: libavutil.so.49: cannot open shared object file: No such file or directory
[root@serv01 ffmpeg]#
sorry for my bad english i'm dutch

Seems like some paths are incorrect on your setup, thats why certain files cant be found.

Looks to me like you are not a really experienced system administrator, maybe its the best to hire someone to do this for you before you mess up your whole server