【实际测试过】DirectShow是DirectX中的一员。Dspack是Delphi用于做DirectShow开发的一套(免费)控件,进行视频输入设备枚举、视频支持格式枚举、视频预览、视频录像。([actually tested] DirectShow is a member of DirectX. DSPack is a set of (free) controls developed by Delphi for DirectShow. It can enumerate video inpu