摄像头操作代码，封装成了动态库，库文件的接口可以直接调用，程序不会崩溃，网上找的很多程序总是崩溃，或者无法获取理想的效果。-The camera operation code, packaged as dynamic libraries, library file interface program can be called directly, will not collapse, many of the Internet to find the program always crashes,