wget http://www.ffmpeg.org/releases/ffmpeg-4.4.tar.gz
tar -zxvf ffmpeg-4.4.tar.gz
cd ffmpeg-4.4
./configure --enable-shared --prefix=/usr/local/ffmpeg && make && make install
tips:
1、–enable-shared 编译动态库,不加的话默认静态库
2、prefix 指定安装路径
3、如果有报错,可能需要安装yasm

wget http://www.tortall.net/projects/yasm/releases/yasm-1.3.0.tar.gz
tar -zxvf yasm-1.3.0.tar.gz
cd yasm-1.3.0
./configure && make && make install