一、 安装yasm(注:如果未安装yasm,那么在安装ffmpeg过程中,执行./configure时,报yasm/nasm not found or too old. Use --disable-yasm for a crippledbuild错误)1、下载安装包wget http://www.tortall.net/projects/yasm/releases/yasm-1.3.0.tar.gz或者网盘下载后,上传服务器链接:https://pan.baidu.com/s/1w6s1HASp