Schrodinger is a high-speed implementation in C of the Dirac codec.  
Please refer to project FAQ at http://diracvideo.org/wiki/FAQ

Some info about actual usage using ffmpeg:
http://www.diracvideo.org/wiki/index.php/Schroedinger_and_FFmpeg

Requires: orc (available at SBo)

Orc is only required for schrodinger version 1.0.9 or higher.