基于DirectShow流媒体采集和播放系统设计和实现

阐述了DirectShow的体系结构。研究了开发基于DirectShow应用系统的一般方法，着重于流媒体采集和播放的关键技术：DirectShow过滤器和过滤器图表的构建及管理。提出了一种基于DirectShow流媒体采集和播放系统结构，并通过对系统的需求分析，得到系统的功能。实现了基于DirectShow流媒体采集和播放系统。实践证明，DirectShow简化了流媒体应用系统的开发，缩短了开发周期。

Developing System Of Capturing And Playing Streaming Media Based On DirectShow

Architecture of DirectShow and general method of developing application based DirectShow are described. Several key technology, such as creating and managing filter and filter graph, of Capturing and playing Streaming Media are emphasis. System architecture and requirement analysis and functions are given. A kind of streaming media application system based on DirectShow is implemented. DirectShow simplifies media playback, format conversion, and capture tasks in practice and the developing cycle is cut short.