The main part of this paper is the design of system software, and summarizes key technologies of embedded video monitoring system, including RTP protocol, DirectShow and Multithreading, and made a detailed presentation for these key technologies.

• 论文的主要内容是系统的软件设计部分,归纳了嵌入式视频监控系统的主要技术,其中主要包括RTP协议、DirectShow技术和多线程技术,并对这些关键技术作了详细介绍。