MSU Smart Brightness & Contrast Filter released
The most professional free Brightness & Contrast!

Main features
* The filter doesn't shine bright areas, and doesn't move dark areas to 0 brightness value, keeping details in them
* Automatic brightness tuning mode, when contrast is set (useful for long mixed films).
* Automatic brightness & contrast adjust mode (useful for long mixed professionally created films).
* Color correction feature - usable for hard contrast correction of nearly black-and-white movies.
* Adjustable intraframe contrast & brightness accuracy.
* Controllable noise influence in final parameters in automatic parameters calculation.
* Careful intrascene modification of parameters
* Automatic detection of scene replacement (use to prevent brightness flicking during one scene)
* Supports VirtualDub Job Control and AviSynth
* Already speed up!

http://compression.ru/video/smart_contrast/index_en.html

Enjoy!