即时聊天，主要功能有视频摄像头驱动、发送文件、发送表情、聊天记录的读取、窗口抖动、字体改变-P2P talking

基于TCP/IP的点对点视频通信，需要有摄像头-point to point video communication

在两台机器分别运行Server和Client可以实现视频聊天的功能。需要两台机器安装摄像头。(In two machines running Server and Client respectively, you can achieve video chat function. Two machines are needed to install the camera.)