查看摄像头驱动的头文件定义，里面有宏定义说明各个值代表的意思 我只有Linux的V4L2内核驱动 /linux-xx.xx.xx/include/linux/Videodev2.h 你自己看下吧 /* Values for 'capabilities' field */ define V4L2_CAP_VIDEO_CAPTURE0x00000001 /* Is a video capture device */ define V4L2_CAP_VIDEO_...