Boblight 1.3 for linux and windows is here, you can find it at the downloads page.

Changes:

added XShmGetImage to boblight-X11
added threshold parameter
changed interpolation and method from 0/1 to on/off and average/median
fixed stdin/stdout/stderr file descriptors in cygwin
replaced posix timers with gettimeofday and usleep
replaced windows timers with multimedia timer
replaced windows gettimeofday with QueryPerformanceCounter
added realtime priority support
fixed a bug where a client mutex would be lost forever in case of a timeout
rewrote boblight-v4l, code looks a lot better
changed use from 1/0 to yes/no
added linux/videodev2.h detection to configure script


Please keep in mind that boblight is still in development.