基于V4L2的Linux摄像头驱动的实现

摘要

V4L2是Linux下处理视频设备的最新标准,文中介绍了该标准的驱动模型,并在此基础上设计实现了普通USB摄像头的驱动程序及图像采集程序。在gplugD平台上移植并测试,该驱动可以方便应用到各种嵌入式手持设备中,实时性良好。%Video For Linux Two is the latest standard for Linux video capture driver.This article introduces the driver model of V4L2,on the basis of which a USB video capture driver is designed to achieve the function of video capture.Besides,transplantation and testing were implemented on the gplugD platform.This video capture driver can be easily applied to other hand-held devices and has good real-timeness.