基于DirectShow的通用多媒体帧提取和应用

Universal Multimedia Sample Grabbing and Application Based on DirectShow

讨论了微软DirectShow技术的体系结构及如何利用DirectShow技术透明地提取多种格式媒体流中不同类型的帧. 并以开发视频检索系统为例,介绍了在VC++6.0中,用DirectShow提取多媒体流中视频帧的具体实现.

The architecture of Microsoft DirectShow technique is discussed in this paper. The method that sample is grabbed transparently in all kinds of multimedia is introduced. And the implementation in Visual C++ 6.0 of the video sample grabbing in multimedia based on DirectShow is illustrated according to the development of video retrieval system.