安装命令如下：

1.添加软件源

#  rpm -ivh http://download1.rpmfusion.org/free/fedora/rpmfusion-free-release-stable.noarch.rpm http://download1.rpmfusion.org/nonfree/fedora/rpmfusion-nonfree-release-stable.noarch.rpm

2.更新yum 缓存

# yum makecache

3.安装播放器和解码器

# yum install ffmpeg ffmpeg-libs gstreamer-ffmpeg xvidcore libdvdread libdvdnav lsdvd gstreamer-plugins-good gstreamer-plugins-bad gstreamer-plugins-ugly gstreamer-plugins-bad gstreamer-ffmpeg gnome-mplayer

http://blog.sina.com.cn/s/blog_726d5c870100vznq.html