基于V4L和V4L2的图像捕捉程序，通过摄像头采集保存图像,V4L and V4L2 based on the image capture process, through the preservation of image acquisition camera

通过v4l编程获得图像，经调试成功的，详细介绍了v4l获取图像的流程。-Through the v4l programming obtained images by commissioning of success,, detailed introduces the process of v4l obtain image.