基于多播的视频会议系统。实现了视频采集，压缩解压，视频播放。网络部分采用UDP多播，可以连接同一局域网内多台电脑进行视频会议。-based multicast video conferencing system. Implementation of video capture, compression decompression, video playback. Some network using UDP multicast, the same LAN can be connected to

关于UDP组播发送相关的知识，对视频网络数据的开发具有很大的用处。-Send UDP multicast on knowledge related to the development of the video network data of great use.