1 下载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

2 下载ffmpeg

wget http://ffmpeg.org/releases/ffmpeg-3.1.3.tar.bz2
tar jxvf ffmpeg-3.1.3.tar.bz2
cd ffmpeg-3.1.3
./configure
make && make install

3 输入ffmpeg 查看输出

yum install epel-release
yum install ffmpeg ffmpeg-devel
ffmpeg -version