commandline tool to modify brightness (like VLC Video Effects control box)

[Gerry Amrein]

Hello

in VLC I change brightness. It works very simple and well.

http://wiki.videolan.org/Change_the_brightness_or_contrast_of_a_video

But howto do that on CLI? I googled about ffmpeg, but that is too 
complicated.

http://ffmpeg.gusari.org/viewtopic.php?f=11&t=663

other ideas?

G. Amrein