先安装epel-release
sudo yum install epel-release -y 安装nux存储库
sudo rpm --import http://li.nux.ro/download/nux/RPM-GPG-KEY-nux.ro sudo rpm -Uvh http://li.nux.ro/download/nux/dextop/el7/x86_64/nux-dextop-release-0-5.el7.nux.noarch.rpm 安装FFmpeg和FFmpeg开发包
sudo yum install ffmpeg ffmpeg-devel -y 查看FFmpeg版本
ffmpeg -version