嵌入式视频处理芯片驱动技术研究  

Research on Video Device Driver Based on Embedded System

作　　者：范庆辉[1] 李昌清[1] 陈永刚[1] 

机构地区：[1]河南科技大学电子信息工程学院,河南洛阳471003

出　　处：《河南科技大学学报（自然科学版）》2008年第1期61-64,共4页Journal of Henan University of Science And Technology:Natural Science

摘　　要：视频处理芯片是嵌入式视频系统的核心部件之一,具有视频信号采集、编码、解码、输出等功能。以数字视频监控系统为背景,通过为多功能视频处理芯片TW2824开发Linux下的驱动程序对视频处理和驱动技术进行了研究,从而有效的实现了对视频输入输出与控制、视频移动侦测、在屏显示等功能。Video controller chip,which is one of the important component of video embedded systems,plays an important role in video signal acquisition,decoding,encoding,output and other important functions.Taking new type digital monitoring system as the backdrop,the driver technology of video controller chip is studied by developing the driver of TW2824.Though the research of video controller chip's driver,video input and output control,video motion detection and on screen display system are realized.

关 键 词：视频处理芯片 嵌入式系统 驱动 视频移动侦测 在屏显示 

分 类 号：TP391[自动化与计算机技术—计算机应用技术]