Install media on Ubuntu.

Fist of all you must install the codes

How to install Multimedia Codecs

sudo aptitude install ubuntu-restricted-extras libxine-extracodecs gstreamer0.10-plugins-base gstreamer0.10-plugins-good gstreamer0.10-plugins-bad gstreamer0.10-pitfdll

sudo aptitude install w32codecs

And after that you can install the tools for play media.

1. How to install DVD playback capability
sudo aptitude install libdvdread3
sudo /usr/share/doc/libdvdread3/install-css.sh
sudo aptitude install totem-xine
sudo aptitude install libdvdcss2

2. How to install MIDI sound server (Timidity++)
sudo aptitude install timidity
sudo gedit /etc/default/timidity
Uncomment the following line (remove the "#" sign)
#TIM_ALSASEQ=true
sudo gedit /etc/modules
Add the following modules to the end of the file
snd-seq-device
snd-seq-midi
snd-seq-oss
snd-seq-midi-event

3. How to install Multimedia Player (xine-ui)
sudo aptitude install xine-ui libxine-extracodecs

4. How to install Multimedia Player (MPlayer)
sudo aptitude install mplayer libxine-extracodecs
sudo aptitude install kmplayer
sudo aptitude install mozilla-mplayer

5. How to install Multimedia Player (VLC)
sudo aptitude install vlc vlc-plugin-*
sudo aptitude install avahi-daemon
sudo aptitude install avahi-utils
sudo aptitude install mozilla-plugin-vlc

6. How to install Multimedia Player (XMMS) : this is the good choice
sudo aptitude install xmms xmms-skins xmms-wma

7. How to install Multimedia Player (amaroK) : this is another good choice
sudo aptitude install amarok

After you install complete u can: Applications -> Sound & Video -> the program u like

References from http://ubuntuguide.org/wiki/Ubuntu:Feisty#Multimedia_Players_.26_Browser_Plug-ins