利用Microsoft DirectShow采集视频，压缩成MPEG4 (Divx)格式，以RTP透过Multicast的方式，即使传给多个终端，可用于视频会议，视频监控等二次开发，内附详细说明文档-Using Microsoft DirectShow capture video, compressed into MPEG4 (Divx) format to RTP Multicast way through, even to multiple terminals can be used for