添加源：
#deb cdrom:[Ubuntu 13.10 _Saucy Salamander_ - Release i386 (20131016.1)]/ saucy main restricted
# See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to
# newer versions of the distribution.
#deb http://cn.archive.ubuntu.com/ubuntu/ saucy main restricted
#deb-src http://cn.archive.ubuntu.com/ubuntu/ saucy main restricted
## Major bug fix updates produced after the final release of the
## distribution.
#deb http://cn.archive.ubuntu.com/ubuntu/ saucy-updates main restricted
#deb-src http://cn.archive.ubuntu.com/ubuntu/ saucy-updates main restricted
## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
## team. Also, please note that software in universe WILL NOT receive any
## review or updates from the Ubuntu security team.
#deb http://cn.archive.ubuntu.com/ubuntu/ saucy universe
#deb-src http://cn.archive.ubuntu.com/ubuntu/ saucy universe
#deb http://cn.archive.ubuntu.com/ubuntu/ saucy-updates universe
#deb-src http://cn.archive.ubuntu.com/ubuntu/ saucy-updates universe
## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
## team, and may not be under a free licence. Please satisfy yourself as to
## your rights to use the software. Also, please note that software in
## multiverse WILL NOT receive any review or updates from the Ubuntu
## security team.
#deb http://cn.archive.ubuntu.com/ubuntu/ saucy multiverse
#deb-src http://cn.archive.ubuntu.com/ubuntu/ saucy multiverse
#deb http://cn.archive.ubuntu.com/ubuntu/ saucy-updates multiverse
#deb-src http://cn.archive.ubuntu.com/ubuntu/ saucy-updates multiverse
## N.B. software from this repository may not have been tested as
## extensively as that contained in the main release, although it includes
## newer versions of some applications which may provide useful features.
## Also, please note that software in backports WILL NOT receive any review
## or updates from the Ubuntu security team.
#deb http://cn.archive.ubuntu.com/ubuntu/ saucy-backports main restricted universe multiverse
#deb-src http://cn.archive.ubuntu.com/ubuntu/ saucy-backports main restricted universe multiverse
#deb http://security.ubuntu.com/ubuntu saucy-security main restricted
#deb-src http://security.ubuntu.com/ubuntu saucy-security main restricted
#deb http://security.ubuntu.com/ubuntu saucy-security universe
#deb-src http://security.ubuntu.com/ubuntu saucy-security universe
#deb http://security.ubuntu.com/ubuntu saucy-security multiverse
#deb-src http://security.ubuntu.com/ubuntu saucy-security multiverse
## Uncomment the following two lines to add software from Canonical's
## 'partner' repository.
## This software is not part of Ubuntu, but is offered by Canonical and the
## respective vendors as a service to Ubuntu users.
# deb http://archive.canonical.com/ubuntu saucy partner
# deb-src http://archive.canonical.com/ubuntu saucy partner
## This software is not part of Ubuntu, but is offered by third-party
## developers who want to ship their latest software.
#deb http://extras.ubuntu.com/ubuntu saucy main
#deb-src http://extras.ubuntu.com/ubuntu saucy main
#deb http://ppa.launchpad.net/fcitx-team/nightly/ubuntu quantal main
#deb-src http://ppa.launchpad.net/fcitx-team/nightly/ubuntu quantal main
deb http://mirrors.oschina.net/ubuntu/ saucy main restricted universe multiverse
deb http://mirrors.oschina.net/ubuntu/ saucy-backports main restricted universe multiverse
deb http://mirrors.oschina.net/ubuntu/ saucy-proposed main restricted universe multiverse
deb http://mirrors.oschina.net/ubuntu/ saucy-security main restricted universe multiverse
deb http://mirrors.oschina.net/ubuntu/ saucy-updates main restricted universe multiverse
deb-src http://mirrors.oschina.net/ubuntu/ saucy main restricted universe multiverse
deb-src http://mirrors.oschina.net/ubuntu/ saucy-backports main restricted universe multiverse
deb-src http://mirrors.oschina.net/ubuntu/ saucy-proposed main restricted universe multiverse
deb-src http://mirrors.oschina.net/ubuntu/ saucy-security main restricted universe multiverse
deb-src http://mirrors.oschina.net/ubuntu/ saucy-updates main restricted universe multiverse
##linux.xjtuns.cn
deb http://linux.xjtuns.cn/ubuntu/ saucy main universe restricted multiverse
deb-src http://linux.xjtuns.cn/ubuntu/ saucy main universe restricted multiverse #Added by software-properties
deb http://linux.xjtuns.cn/ubuntu/ saucy-updates main restricted multiverse universe
deb http://linux.xjtuns.cn/ubuntu/ saucy-proposed main restricted multiverse universe
deb http://linux.xjtuns.cn/ubuntu/ saucy-backports main restricted multiverse universe
##163
deb http://mirrors.163.com/ubuntu/ saucy main universe restricted multiverse
deb-src http://mirrors.163.com/ubuntu/ saucy main universe restricted multiverse #Added by software-properties
#deb http://security.ubuntu.com/ubuntu/ saucy-security main restricted multiverse universe
deb http://mirrors.163.com/ubuntu/ saucy-updates main restricted multiverse universe
deb http://mirrors.163.com/ubuntu/ saucy-proposed main restricted multiverse universe
deb http://mirrors.163.com/ubuntu/ saucy-backports main restricted multiverse universe
##ustc
deb http://mirrors.ustc.edu.cn/ubuntu/ saucy main universe restricted multiverse
deb-src http://mirrors.ustc.edu.cn/ubuntu/ saucy main universe restricted multiverse #Added by software-properties
deb http://mirrors.ustc.edu.cn/ubuntu/ saucy-updates main restricted multiverse universe
deb http://mirrors.ustc.edu.cn/ubuntu/ saucy-proposed main restricted multiverse universe
deb http://mirrors.ustc.edu.cn/ubuntu/ saucy-backports main restricted multiverse universe
##开源中国
deb http://mirrors.oschina.net/ubuntu/ saucy main restricted universe multiverse
deb http://mirrors.oschina.net/ubuntu/ saucy-backports main restricted universe multiverse
deb http://mirrors.oschina.net/ubuntu/ saucy-proposed main restricted universe multiverse
deb http://mirrors.oschina.net/ubuntu/ saucy-security main restricted universe multiverse
deb http://mirrors.oschina.net/ubuntu/ saucy-updates main restricted universe multiverse
deb-src http://mirrors.oschina.net/ubuntu/ saucy main restricted universe multiverse
deb-src http://mirrors.oschina.net/ubuntu/ saucy-backports main restricted universe multiverse
deb-src http://mirrors.oschina.net/ubuntu/ saucy-proposed main restricted universe multiverse
deb-src http://mirrors.oschina.net/ubuntu/ saucy-security main restricted universe multiverse
deb-src http://mirrors.oschina.net/ubuntu/ saucy-updates main restricted universe multiverse
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
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
# See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to
# newer versions of the distribution.
#deb http://cn.archive.ubuntu.com/ubuntu/ saucy main restricted
#deb-src http://cn.archive.ubuntu.com/ubuntu/ saucy main restricted
## Major bug fix updates produced after the final release of the
## distribution.
#deb http://cn.archive.ubuntu.com/ubuntu/ saucy-updates main restricted
#deb-src http://cn.archive.ubuntu.com/ubuntu/ saucy-updates main restricted
## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
## team. Also, please note that software in universe WILL NOT receive any
## review or updates from the Ubuntu security team.
#deb http://cn.archive.ubuntu.com/ubuntu/ saucy universe
#deb-src http://cn.archive.ubuntu.com/ubuntu/ saucy universe
#deb http://cn.archive.ubuntu.com/ubuntu/ saucy-updates universe
#deb-src http://cn.archive.ubuntu.com/ubuntu/ saucy-updates universe
## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
## team, and may not be under a free licence. Please satisfy yourself as to
## your rights to use the software. Also, please note that software in
## multiverse WILL NOT receive any review or updates from the Ubuntu
## security team.
#deb http://cn.archive.ubuntu.com/ubuntu/ saucy multiverse
#deb-src http://cn.archive.ubuntu.com/ubuntu/ saucy multiverse
#deb http://cn.archive.ubuntu.com/ubuntu/ saucy-updates multiverse
#deb-src http://cn.archive.ubuntu.com/ubuntu/ saucy-updates multiverse
## N.B. software from this repository may not have been tested as
## extensively as that contained in the main release, although it includes
## newer versions of some applications which may provide useful features.
## Also, please note that software in backports WILL NOT receive any review
## or updates from the Ubuntu security team.
#deb http://cn.archive.ubuntu.com/ubuntu/ saucy-backports main restricted universe multiverse
#deb-src http://cn.archive.ubuntu.com/ubuntu/ saucy-backports main restricted universe multiverse
#deb http://security.ubuntu.com/ubuntu saucy-security main restricted
#deb-src http://security.ubuntu.com/ubuntu saucy-security main restricted
#deb http://security.ubuntu.com/ubuntu saucy-security universe
#deb-src http://security.ubuntu.com/ubuntu saucy-security universe
#deb http://security.ubuntu.com/ubuntu saucy-security multiverse
#deb-src http://security.ubuntu.com/ubuntu saucy-security multiverse
## Uncomment the following two lines to add software from Canonical's
## 'partner' repository.
## This software is not part of Ubuntu, but is offered by Canonical and the
## respective vendors as a service to Ubuntu users.
# deb http://archive.canonical.com/ubuntu saucy partner
# deb-src http://archive.canonical.com/ubuntu saucy partner
## This software is not part of Ubuntu, but is offered by third-party
## developers who want to ship their latest software.
#deb http://extras.ubuntu.com/ubuntu saucy main
#deb-src http://extras.ubuntu.com/ubuntu saucy main
#deb http://ppa.launchpad.net/fcitx-team/nightly/ubuntu quantal main
#deb-src http://ppa.launchpad.net/fcitx-team/nightly/ubuntu quantal main
deb http://mirrors.oschina.net/ubuntu/ saucy main restricted universe multiverse
deb http://mirrors.oschina.net/ubuntu/ saucy-backports main restricted universe multiverse
deb http://mirrors.oschina.net/ubuntu/ saucy-proposed main restricted universe multiverse
deb http://mirrors.oschina.net/ubuntu/ saucy-security main restricted universe multiverse
deb http://mirrors.oschina.net/ubuntu/ saucy-updates main restricted universe multiverse
deb-src http://mirrors.oschina.net/ubuntu/ saucy main restricted universe multiverse
deb-src http://mirrors.oschina.net/ubuntu/ saucy-backports main restricted universe multiverse
deb-src http://mirrors.oschina.net/ubuntu/ saucy-proposed main restricted universe multiverse
deb-src http://mirrors.oschina.net/ubuntu/ saucy-security main restricted universe multiverse
deb-src http://mirrors.oschina.net/ubuntu/ saucy-updates main restricted universe multiverse
##linux.xjtuns.cn
deb http://linux.xjtuns.cn/ubuntu/ saucy main universe restricted multiverse
deb-src http://linux.xjtuns.cn/ubuntu/ saucy main universe restricted multiverse #Added by software-properties
deb http://linux.xjtuns.cn/ubuntu/ saucy-updates main restricted multiverse universe
deb http://linux.xjtuns.cn/ubuntu/ saucy-proposed main restricted multiverse universe
deb http://linux.xjtuns.cn/ubuntu/ saucy-backports main restricted multiverse universe
##163
deb http://mirrors.163.com/ubuntu/ saucy main universe restricted multiverse
deb-src http://mirrors.163.com/ubuntu/ saucy main universe restricted multiverse #Added by software-properties
#deb http://security.ubuntu.com/ubuntu/ saucy-security main restricted multiverse universe
deb http://mirrors.163.com/ubuntu/ saucy-updates main restricted multiverse universe
deb http://mirrors.163.com/ubuntu/ saucy-proposed main restricted multiverse universe
deb http://mirrors.163.com/ubuntu/ saucy-backports main restricted multiverse universe
##ustc
deb http://mirrors.ustc.edu.cn/ubuntu/ saucy main universe restricted multiverse
deb-src http://mirrors.ustc.edu.cn/ubuntu/ saucy main universe restricted multiverse #Added by software-properties
deb http://mirrors.ustc.edu.cn/ubuntu/ saucy-updates main restricted multiverse universe
deb http://mirrors.ustc.edu.cn/ubuntu/ saucy-proposed main restricted multiverse universe
deb http://mirrors.ustc.edu.cn/ubuntu/ saucy-backports main restricted multiverse universe
##开源中国
deb http://mirrors.oschina.net/ubuntu/ saucy main restricted universe multiverse
deb http://mirrors.oschina.net/ubuntu/ saucy-backports main restricted universe multiverse
deb http://mirrors.oschina.net/ubuntu/ saucy-proposed main restricted universe multiverse
deb http://mirrors.oschina.net/ubuntu/ saucy-security main restricted universe multiverse
deb http://mirrors.oschina.net/ubuntu/ saucy-updates main restricted universe multiverse
deb-src http://mirrors.oschina.net/ubuntu/ saucy main restricted universe multiverse
deb-src http://mirrors.oschina.net/ubuntu/ saucy-backports main restricted universe multiverse
deb-src http://mirrors.oschina.net/ubuntu/ saucy-proposed main restricted universe multiverse
deb-src http://mirrors.oschina.net/ubuntu/ saucy-security main restricted universe multiverse
deb-src http://mirrors.oschina.net/ubuntu/ saucy-updates main restricted universe multiverse
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
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
sudo apt-get install gstreamer-*