use depot_tool sync code
mkdir webrtc-checkout
cd webrtc-checkout
fetch --nohooks webrtc
gclient sync
complie with ide=vs2019
set vs2019_install=D:\vs2019\install
set GYP_GENERATORS=msvs-ninja,ninja
set DEPOT_TOOLS_WIN_TOOLCHAIN=0
cd src
gn gen --ide=vs2019 out/Default
use vs2019 open all.sln
GN x64
complie peerconnection_server.exe and peerconnection_client.exe
open the peerconnection server and client
client input 127.0.0.1 8888,click connect
peerconnection_server.exe output new Connection...
peerconnection_client.exe not switch to peerlist ui.
client not enter the PeerConnectionClient::OnConnect fuction.