build a gb28181 client
https://www.pjsip.org/download.htm Install:
> download source
> ./configure --enable-shared --disable-sound --disable-video
> make dep
> make -j4
> make install
https://github.com/j0r1/JRTPLIB Install:
> download source
> cd JRTPLIB
> mkdir build
> cd build
> cmake .. && make -j4 && sudo make install