error LNK2005: struct SDL_Window * screen (?screen@@3PEAUSDL_Window@@EA) already defined in main.obj
摘要：
在.cpp中定义全局变量 SDL_Window* screen_;SDL_mutex* screen_mutex;SDL_Renderer* renderer;VideoState* global_video_state;uint64_t global_video_pkt_pts = AV_NOPT 阅读全文