after updating from these repositories
Code:
#### Debian Backports - http://backports.debian.org/
deb http://backports.debian.org/debian-backports squeeze-backports main
#### Debian Multimedia - http://www.debian-multimedia.org/
## Run this command: apt-get update && apt-get install debian-multimedia-keyring && apt-get update
deb http://www.debian-multimedia.org stable main non-free
#### Google Linux Software Repositories - http://www.google.com
## Run this command: wget -q -O - https://dl-ssl.google.com/linux/linux_signing_key.pub | apt-key add -
deb http://dl.google.com/linux/deb/ stable non-free main
#### Google Linux Software Repositories (Testing) - http://www.google.com
## Run this command: wget -q -O - https://dl-ssl.google.com/linux/linux_signing_key.pub | apt-key add -
deb http://dl.google.com/linux/deb/ testing non-free
#### Skype - http://www.skype.com
## Run this command: gpg --keyserver pgp.mit.edu --recv-keys 0xd66b746e && gpg --export --armor 0xd66b746e | apt-key add -
deb http://download.skype.com/linux/repos/debian/ stable non-free
#### VirtualBox - http://www.virtualbox.org
## Run this command: wget -q http://download.virtualbox.org/virtualbox/debian/oracle_vbox.asc -O- | apt-key add -
deb http://download.virtualbox.org/virtualbox/debian squeeze contrib
#### Wine - http://www.winehq.org/
## Run this command: wget -O - http://www.lamaresh.net/apt/key.gpg | apt-key add -
vlc started to playing only the audio and not the video, i tried setting the video preferences but all video outputs didn't work. how do i get my video back