PidMpeg1: 插件的实现程序。该插件对Filter Graph Manager进行扩展，让它支持

IMPEG1Builder接口。使用该接口可以为MPEG1文件自动构建播放用的Filter Graph

（使用DirectShow集成的MPEG1相关的一系列Filter）。



PIDTest: 上述插件的使用演示程序。当用户选择一个要播放的媒体文件时，首先

判断它是不是MPEG1文件，如果是，则为它构建完整的播放用的Filter Graph，然后

就可以播放它。

打开PIDTest目录下的PIDTest.dsw文件可以同时浏览上述两个项目。-PidMpeg1: the realization of process plug-ins. The Filter Graph Manager plug-ins to expand it to support IMPEG1Builder interface. The use of the interface can play MPEG1 file is automatically used to build Filter Graph (using DirectShow related MPEG1 integrated series of Filter). PIDTest: demonstration of the above-mentioned procedures for the use of plug-ins. When the user selects to play a media file, first of all to determine it is not MPEG1 file, and if so, was it to build a complete player with the Filter Graph, and then you can play it. PIDTest open PIDTest.dsw directory files can be browsed at the same time these two projects.