基于CS结构，发送端对H264编码的视屏文件进行rtp打包发送至接收端，接收端在进行逆向rtp组包，并保存为本地文件。-CS-based structure, the sender of the H264 encoded video screen file the rtp packaging is sent to the receiving end, the receiving end during the reverse the rtp group package and save it as