在Linux环境下编译oRTP库，并测试发送和接受功能，加上中文注释帮助解读源码-In the Linux environment compiler oRTP library, and test sending and receiving capabilities, coupled with comments to help interpret the Chinese source

实现ortp音频传输，而且是最新的ortp协议栈，在Linux下直接可以运行，里面有测试程序，在src/test下，希望可以对需要的人有帮助！-Achieve ortp audio transmission, and is the latest ortp protocol stack can be run directly on Linux, which has test programs, in src/test, it is hoped can help those who need it