用python ctypes 模块，调用厂家提供的c写的DLL，来读取工业摄像机，cameraInit(k = mylib.CameraInit(byref(cInfor), -1, -1, cameraHandle *p_p_i)) 成功，但 g=mylib.Cameraplay( camerahandle p_p_i) ,出错， 有谁有这方面的经验呀
https://blog.csdn.net/bluehawksky/article/details/39082125