ffmpeg升级版本

背景：ffmpeg被扫描出漏洞，需要升级
解决方案：安装高版本ffmpeg，保留旧版本

1. 查看当前环境ffmpeg版本

2.下载最新版本并安装

参考：https://blog.csdn.net/yuxielea/article/details/103115653

cd /usr/local/ffmpeg/ffmpeg-4.2.2
./configure --prefix=/usr/local/ffmpeg/ffmpeg-4.2.2/conf  --enable-gpl --enable-shared --enable-libx264
make
make install

依赖1：yasm
yum安装

yum install yasm

或者手动安装
参考：https://blog.csdn.net/yuxielea/article/details/103104711

依赖2：x264
参考https://blog.csdn.net/qq_26093511/article/details/78785379

./configure --enable-shared --enable-static --disable-asm

问题1：ffmpeg: error while loading shared libraries: libavdevice.so.56: cannot open shared object file: No such file or directory
参考：https://www.servermanagementadmins.com/ffmpeg-error-while-loading-shared-libraries-libavdevice-so-56-cannot-open-shared-object-file-no-such-file-or-directory/

ldd $(which ffmpeg)
vim /etc/ld.so.conf
		/usr/local/ffmpeg/ffmpeg-4.2.2/conf/lib/
ldconfig
./ffmpeg -version