Digital TV and Radio in Linux

[CONTEXT]
You are looking for a program to play webTV and WebRadio on Linux
[HOW]
One of the options to watch webTV and listen WebRadio is Freetuxtv.
You can also record the channels in different formats.
To install it, we can use the package in Debian's repository
# aptitude install freetuxtv
[LINKS]
http://code.google.com/p/freetuxtv/
http://database.freetuxtv.net/site/index

Play encrypted DVD

[CONTEXT]
Playing encrypted DVD, sometimes you can recieved a error message like
 libdvdread: Encrypted DVD support unavailable.

[WHEN] 
You want to play encrypted DVDs with Linux.

[HOW]
As root
Edit your /etc/apt/source.list, adding this line

 deb http://www.deb-multimedia.org wheezy main non-free

The first package to install is deb-multimedia-keyring.

# apt-get install deb-multimedia-keyring
Install the library  libdvdcss2
# apt-get install libdvdcss2

After this steps, your dvd's player will be able to play DVD

[SOURCE]
http://www.cyberciti.biz/faq/debian-linux-squeeze-installing-libdvdcss2-command/ 
http://www.deb-multimedia.org/ 

[OTHERS ALTERNATIVES]
http://theos.in/desktop-linux/linux-playing-encrypted-dvd/
http://www.cyberciti.biz/faq/howto-ubuntu-linux-playback-dvd/