这个程序是利用directshow抓取视频帧，简单明了-this program is a good example for learning directshow to grab the video frame

用DirectShow写的avi视频播放器，其实不止能播放avi，还能播放其他的视频格式，能实现截图等功能，在visual c++下编译通过，不过要先安装DirectShow，然后配置。-A avi video player writen by DirectShow, in fact, not only can play avi, also can play other video formats, the player can grab the screen and save the pho

自己学着写的一个用DirectShow实现的遍预览边保存视频文件工程 里面包含一个抓取图片Filter-To learn to write an implementation using DirectShow edge over the preview video files saved project which contains a grab pictures Filter