libpeer - Portable WebRTC Library for IoT/Embedded Device

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

Features

• Video/Audio Codec
  • H264
  • G.711 PCM (A-law)
  • G.711 PCM (µ-law)
  • OPUS
• DataChannel
• STUN/TURN
• IPV4/IPV6
• Signaling
  • WHIP
  • MQTT

Dependencies

• mbedtls
• libsrtp
• usrsctp
• cJSON
• coreHTTP
• coreMQTT

Getting Started with Generic Example

• Copy URL from the test website
• Build and run the example

$ 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
$ ./examples/generic/sample -u <URL>

• Click Connect button on the website

Examples for Platforms

• ESP32: MJPEG over datachannel
• PICO: Ping pong with datachannel
• Raspberry Pi: Video and two-way audio stream