sudo dnf install gstreamer-plugins-bad gstreamer-plugins-bad-free-extras gstreamer-plugins-ugly gstreamer-ffmpeg gstreamer1-libav gstreamer1-plugins-bad-free-extras gstreamer1-plugins-bad-freeworld gstreamer-plugins-base-tools gstreamer1-plugins-good-extras gstreamer1-plugins-ugly gstreamer1-plugins-bad-free gstreamer1-plugins-good gstreamer1-plugins-base gstreamer1
fedora22安装多媒体插件：//m.ajphoenix.com/linux/13506.html
Fedora 17定制安装多媒体解码、驱动、字体和系统优化程序：//m.ajphoenix.com/linux/2757.html