vins-course 安装

1.  opencv需要使用3.3.1的版本，在cmake list中，

find_package(OpenCV 3.3.1 REQUIRED )

2. 编译时报错，ffmpeg相关，error: 'CODEC_FLAG_GLOBAL_HEADER' was not declared in this scope

使用https://blog.csdn.net/goodxin_ie/article/details/82856008

3. signal.hpp:109:79: error: ‘decay_t’ is not a member of ‘std’; did you mean ‘decay’?

c++ error: ‘decay_t’ is not a member of ‘std’解决方法_Lkilvin的博客-CSDN博客_decay_t

cmakelist改成c++14就好了