eee.000.jpg、eee.001.jpg、、、
mencoder "mf://eee.*.jpg" -mf type=jpg:fps=10 -o hoge.avi -ovc lavc -lavcopts vcodec=mpeg4:vqscale=2
mencoder "mf://eee.*.png" -mf type=png:fps=10 -o hoge.avi -ovc lavc -lavcopts vcodec=mpeg4:vqscale=2