【摘要】 阐述了DirectShow的基本原理,给出了基于DirectShow的应用系统开发的基本思想、基本方法。通过实例讨论了多媒体流的捕获和播放技术以及DirectShow过滤器和过滤器图管理器的构建和管理;讨论了利用Visual C++实现基于Direct-Show的多媒体流系统开发的关键技术,并对多媒体系统实现的开发方法和编程过程做出说明,并给出核心代码。结果表明,在此基础上实现的多媒体应用系统,具有更好的可重用性和可扩展性,缩短了开发周期。更多还原

【Abstract】 The main principle of DirectShow is introduced,and it is proposed how to develop a multimedia application system with Di-rectShow,including its idea and method.Several key technology,such as creating and managing filter and filter graph of capturing and playing streaming media,are demonstrated by an example,and the key technique using Visual C++ for DirectShow are discussed and the development method and the core of source code are presented for the multimedia system.The results show that media stream system based on DirectShow has better reusability and extensibility,and the developing cycle can be shorter.更多还原