Abstract: Directshow is now popular StreamMedia system development framework, but the StreamMedia system developed with Directshow has shortage of transplantability, run effiency, stability, expansibility. According to the shortage of Directshow, a new modularized StreamMedia system development framework is designed and implemented. The performance of the StreamMedia system developed with the new framework can be improved.

Key words: Directshow, StreamMedia, Framework

摘要： Directshow是目前比较流行的流媒体系统开发框架，但是使用Directshow技术开发的流媒体系统在可移植性、运行效率、稳定性、可扩展性等方面都存在着明显的不足。针对Directshow存在的这些不足之处，进行了相应的改进，设计和实现了一种新的模块化流媒体系统开发框架，可以使得开发出来的流媒体系统在各方面性能有所提高。

关键词: Directshow, 流媒体, 框架