ubuntu 12.04 - install handbrake and dvd essential libraries

add handbrake repository:
	sudo add-apt-repository ppa:stebbins/handbrake-releases

update apt database:
	sudo apt-get update

install handbrake:
	sudo apt-get install handbrake-gtk

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install DVD essential libraries when running DVD players and DVD rippers:
	libdvdcss2 - Simple foundation for reading DVDs - runtime libraries.
	libdvdnav4 - DVD navigation library.
	libdvdread4 - library for reading DVDs.

Install the libdvdread4:
	sudo apt-get install libdvdread4

open a terminal window and execute command below to install libdvdcss2:
	sudo /usr/share/doc/libdvdread4/install-css.sh

Install the libdvdnav4:
	sudo apt-get install libdvdnav4

Rebooting may be necessary.

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you can also use mencoder to rip DVDs into .avi files as follows:
	mencoder dvd://2 -ovc lavc -lavcopts vcodec=mpeg4:vhq:vbitrate="1200" -vf scale -zoom -xy 640 -oac mp3lame -lameopts br=128 -o /nas/videos/my-movies/example/track2.avi

acidRip DVD ripper program use mencoder.