摘要： DirectShow是基于COM的多媒体应用开发工具，过滤器图是其体系结构中的核心。在多媒体应用开发过程中，经常需要定制过滤器图。该文给出了一种过滤器图定制方法并举例加以说明。

关键词: DirectShow, COM, 过滤器图

Abstract: DirectShow is a multimedia developing tool based on COM, the filter graph is the core of its architecture. During the course of developing multimedia applications, developer always need to customize the filter graph. This paper gives a customization method of filter graph and demonstrates how to use it through a pratical example.

中图分类号: 

• TP317.4