一段程序，两个线程：一个完成usb摄像头图像的采集，另一个借助网络实现远程传输。图像采集线程通过调用获取图像的程序完成采集任务；网络传输就是socket编程了。-For some procedures, the two threads: a complete usb camera image acquisition, and the other with the realization of long-distance transmission network. Image acquisitio