安装2个源
centos7.2
1、yum install -y epel-release
2、rpm -Uvh http://li.nux.ro/download/nux/dextop/el7/x86_64/nux-dextop-release-0-5.el7.nux.noarch.rpm
3、yum install -y ffmpeg
查看版本
[root@controller03 ~]# ffmpeg -version
