TMS320DM6467的视频转码监控系统设计  

Design of Video Transcoding Monitoring System Based on TMS320DM6467

作　　者：吴航[1] 林岩[1] 

机构地区：[1]北京航空航天大学自动化科学与电气工程学院,北京100191

出　　处：《单片机与嵌入式系统应用》2012年第9期71-74,共4页Microcontrollers & Embedded Systems

摘　　要：提出基于嵌入式Web服务器Boa和CGI技术的网络通信思想,以VPC6467视频转码系统为硬件平台,基于嵌入式Linux操作系统的编译开发环境,设计了视频转码设备的监控系统。详述了虚拟共享内存的进程通信机制、HTML页面与服务器通信的CGI技术、Linux系统交叉编译环境的搭建,以及监控系统各个模块的设计思想。An network communication method is proposed based on embedded Web server Boa and CGI technology.Taking VPC6467 video transcoding system as hardware platform,the video transcoding monitoring system is realized based on compiling development environment of embedded Linux operating system.Process communication mechanism of virtual shared memory,CGI technique for communication between HTML pages and server,cross-compiling environment building in Linux system,and design ideas of all modules in the monitoring system are elaborated.

关 键 词：视频转码 TMS320DM6467 WEB服务器 嵌入式LINUX 虚拟共享内存 

分 类 号：TP277[自动化与计算机技术—检测技术与自动化装置] TP335.3[自动化与计算机技术—控制科学与工程]