根据教程编写的一个实现视频查看和打开视频的功能的，是借用dspack开发的-According to a written tutorial for video viewing and video functions to open, is to borrow dspack development

【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