Linux系统版本查看
lsb_release -a
#Install EPEL repo yum -y install epel-release
rpm --import http://li.nux.ro/download/nux/RPM-GPG-KEY-nux.ro
#安装包版本 rpm -Uvh http://li.nux.ro/download/nux/dextop/el7/x86_64/nux-dextop-release-0-1.el7.nux.noarch.rpm
yum repolist
yum -y install ffmpeg ffmpeg-devel
ffmpeg原文链接：https://www.f2er.com/centos/375789.html
