参考链接
https://blog.csdn.net/u014755412/article/details/78874038
https://www.cnblogs.com/wpjamer/p/9192141.html
https://www.cnblogs.com/FutaAlice/p/9041756.html
问题
checking for AVCODEC... no
configure: error: Requested 'libavcodec >= 57.16.0' but version of libavcodec is 54.35.1. Pass --disable-avcodec to ignore this error.
答案
Uninstall dev-files using "apt-get remove libavcodec-dev" 先删除自带的libavcodec
ffmpeg要安装在/usr/local/下面