摘自https://www.cnblogs.com/kccdzz/p/9652185.html
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
安装ffmpeg
# wget http://www.ffmpeg.org/releases/ffmpeg-3.1.tar.gz
# tar -zxvf ffmpeg-3.1.tar.gz
# cd ffmpeg-3.1
# ./configure --prefix=/usr/local/ffmpeg
# make && make install
等待安装完成...
# vi /etc/profile
在最后PATH添加环境变量:
PATH=$PATH:/usr/local/ffmpeg/bin
export PATH
保存退出
# source /ect/profile 设置生效
# ffmpeg -version 查看版本