You need to install the following Cygwin packages, available from any Cygwin mirror:
You need to install the following Cygwin packages, only available from Cygwin Ports  :
ffmpeg ImageMagick mjpegtools mplayer normalize sox transcode (optional)
You can get growisofs from 
Under Cygwin, dvdauthor compiles easily. Get its sources from .
Alternatively, you may use the dvdauthor.exe, spumux.exe from 
./configure make install