videodemo

说明：  基于arm s3c2410平台的linux系统usb摄像头监测程序。通过使用v4l的api函数从摄像头中读取数据 ，然后写人Frame Buffer， 使采集到的图像在液晶屏中显示出来。
(Usb camera arm s3c2410 platform-based linux system monitoring procedures. By using the v4l api function to read data from the camera, and then writing Frame Buffer, and the collected images to be displayed in the LCD screen.)