Here's an example of starting a DVD automatically with VLC

In this example the aspect-ratio is selected , the language track as well as title 1 by default (i.e. #1)

rem: rem #1 means start at title 1 rem audio-track 1 on this DVD is korean, 0 is chinese rem aspect-ratio is needed for this DVD "C:\Program Files (x86)\VideoLAN\VLC\vlc.exe" dvd:///F:\Images\FullDisc\AwesomeMovie#1 --audio-track=1 --aspect-ratio=4:3