Linux安装已编译好的FFmpeg，基于centos7
1、访问https://johnvansickle.com/ffmpeg/2、下载地址：https://johnvansickle.com/ffmpeg/releases/ffmpeg-release-amd64-static.tar.xz3、下载 wget https://johnvansickle.com/ffmpeg/releases/ffmpeg-release-amd6...
