强大经典的共享内存库.利用循环BUF解决进程之间的视频流传输问题,零拷贝.-Powerful classic shared memory libraries. Use recycled BUF settlement process between the video streaming issues, zero-copy.

Video4Linux2编程采集摄像头视频并显示视频，全C语言编程，采用内存映射的方法读数据。-Video4Linux2 programming camera video capture and display video, full C language programming, using memory mapping method to read the data.