For the supported format, All DVD players play MPEG-1 and MPEG-2 video and AC-3 or PCM (eg, WAV) audio. If you would know more please kindly click here
http://www.videohelp.com/dvdplayers
by the way,I just stumble upon a detailed guide about how to convert iTunes music/movie/TV shows and burn DVD.I don't don't whether it will be useful for u.you could just refer to this tutorial
http://www.prlog.org/10524867-how-to...-burn-dvd.html