首先在终端输入

sudo gedit /etc/apt/sources.list

添加以下斜体字的源

deb http://ubuntu.cn99.com/ubuntu/ edgy main restricted universe multiverse

deb http://ubuntu.cn99.com/ubuntu/ edgy-security main restricted universe multiverse

deb http://ubuntu.cn99.com/ubuntu/ edgy-updates main restricted universe multiverse

deb http://ubuntu.cn99.com/ubuntu/ edgy-proposed main restricted universe multiverse

deb http://ubuntu.cn99.com/ubuntu/ edgy-backports main restricted universe multiverse

deb-src http://ubuntu.cn99.com/ubuntu/ edgy main restricted universe multiverse

deb-src http://ubuntu.cn99.com/ubuntu/ edgy-security main restricted universe multiverse

deb-src http://ubuntu.cn99.com/ubuntu/ edgy-updates main restricted universe multiverse

deb-src http://ubuntu.cn99.com/ubuntu/ edgy-proposed main restricted universe multiverse

deb-src http://ubuntu.cn99.com/ubuntu/ edgy-backports main restricted universe multiverse

deb http://ubuntu.cn99.com/ubuntu-cn/ edgy main restricted universe multiverse

然后依次输入以下命令

sudo apt-get update

sudo apt-get remove totem-gstreamer

sudo apt-get install totem-xine libxine1-ffmpeg libxine1-gnome libxine1-plugins libxine1 libstdc++5

sudo apt-get install w32codecs