For the sake of designing a universal system composed of different video capture cards, this dissertation chose a open source SDK from Microsoft: DirectX SDK, and applied the DirectShow video technology.

• 出于针对应用不同视频采集卡的DVR系统通用性的设计思想,本论文选用微软的开放源码开发包:DirectX SDK,具体应用当中的DirectShow技术。