You are using staging server - a separate instance of the ESP Component Registry that allows you to try distribution tools and processes without affecting the real registry.
libpeer is a WebRTC implementation written in C, developed with BSD socket. The library aims to integrate IoT/Embedded device video/audio streaming with WebRTC, such as ESP32 and Raspberry Pi
Bash
$ sudo apt -y install git cmake
$ git clone --recursive https://github.com/sepfy/libpeer
$ cd libpeer
$ cmake -S . -B build && cmake --build build
$ wget http://www.live555.com/liveMedia/public/264/test.264 # Download test video file
$ wget https://mauvecloud.net/sounds/alaw08m.wav # Download test audio file
$ ./generic/sample/sample
idf.py add-dependency "jays0223/videosdk-libpeer^0.0.1"