你把DSPack2.34版的Demo\D6-D7\VideoCap调出来，在上面放置一个新的TFilter(DSPACK里的)控件,属性name设成VCompFilter， 属性FilterGraph留空，属性BaseFilter点击...进去选择你要用的压缩插件，XVID放在VideoCompressors的项目分类里，完整名称应该是XviD MPEG-4 Codec，选定后点击OK回到Form画面 主要Form的左下方有个Start的Button，把OnClick的事件调出来，会看到里面有一行注解着//Connect Video preview (VideoWindow)的RenderStream的过程 // now render streams with CaptureGraph as IcaptureGraphBuilder2 do begin // set the output filename SetOutputFileName(MEDIASUBTYPE_Avi, PWideChar(CapFile), multiplexer, Writer); // Connect Video preview (VideoWindow) if VideoSourceFilter.BaseFilter.DataLength > 0 then RenderStream(@PIN_CATEGORY_PREVIEW, nil, VideoSourceFilter as IBaseFilter, nil , VideoWindow as IBaseFilter); // Connect Video capture streams if VideoSourceFilter.FilterGraph <> nil then RenderStream(@PIN_CATEGORY_CAPTURE, nil, VideoSourceFilter as IBaseFilter, nil, multiplexer as IBaseFilter); // Connect Audio capture streams if AudioSourceFilter.FilterGraph <> nil then begin RenderStream(nil, nil, AudioSourceFilter as IBaseFilter, nil, multiplexer as IBaseFilter); end; end; 把这两行红色RenderStream的第四个参数nil改成VCompFilter as IBaseFilter，然后编译这个程序。。。就可以达到你要的功能了 按这个代码加入压缩后的视频数据怎么取出来的.或是怎么用UDP在网络上进行传输