i tried entering this command :-

/usr/local/bin/mencoder '/home/amattube/public_html/video/test_1.mpg' -o /home/amattube/public_html/flvideo/4ca4238a0b/12426371821490709180.flv -of lavf -oac mp3lame -lameopts abr:br=56 -ovc lavc -lavcopts vcodec=flv:vbitrate=500:mbd=2:mv0:trell:v4mv:cbp:l ast_pred=3 -srate 22050 -lavfopts i_certify_that_my_video_stream_does_not_use_b_fram es</p>


it gave a blank page :(