WebRTC native C/C++ sdk api based release M67, just keep WebRTC's audio/video en/decode and transfer.
This wtkrtc sdk api based WebRTC r67 release version, this native sdk api was written by c/c++, and the files & code directories info as below:
README.md
This file.
webrtc_r67_patch
The patch for webrtc r67, include video capture, render, and SW/HW OpenH264 codec.
wtkrtc_linux_mac_loopback
Loopback test this api at Linux/macOS platform.
wtkrtc_mediaengine
VoIP Media Engine client library for Android/iOS paltform, include demo APP.
wtkrtc_server
VoIP Media Engine server based asterisk.
wtkrtc_proxy_server
VoIP Media Engine proxy server intend to do proxy/nat/p2p, for reduce VoIP Media Engine server’s load.
wtkrtc_conf_server
VoIP Media Engine conference server for Android/iOS app engine client, both SFU and MCU.
More info please refer to every directory’s readme files.
FYI: https://blog.csdn.net/bingdele/article/details/89329191