rotate video in linux, mplayer and save result file

I find solution with command "mencoder" in linux.
Command "mplayer"

mplayer -vo xv -vf rotate MVI_0082.AVI

made rotate video only view function, but command

mencoder -vf rotate -oac pcm -ovc lavc MVI_0082.AVI -o slon.avi

rotate video and save file MVI_0082.AVI to file "slon.avi"