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Overview

This is the backend for the video conferencing project using Mediasoup. It handles WebRTC media routing, socket signaling, room management, and real-time communication. Built with Node.js, Express.js, and Socket.IO, it ensures a scalable and efficient backend infrastructure for many-to-many video conferencing.

Features

  • Manages Mediasoup Workers, Routers, and Transports
  • Handles WebRTC Producer & Consumer Streams
  • Supports up to 5 Active Speakers per Room
  • Real-time Signaling with Socket.IO
  • Efficient SFU-based Media Streaming
  • Room Creation and Management

Tech Stack

  • Node.js - Backend runtime environment
  • Express.js - Lightweight web framework
  • Socket.IO - WebSocket-based real-time communication
  • Mediasoup - WebRTC Selective Forwarding Unit (SFU)

Installation

Prerequisites

Ensure you have the following installed:

  • Node.js (Latest LTS recommended)
  • NPM or Yarn

Setup

  1. Clone the Repository

    git clone https://github.com/your-username/your-repo-name.git
cd your-repo-name/backend

  2. Install Dependencies

    npm install

  3. Configure Environment Variables

    • Create a .env file in the root directory.
    • Add necessary Mediasoup and WebRTC configurations.

  4. Start the Backend Server

    npm start

How It Works

  1. Users Join a Room
    • They connect via WebRTC and are assigned producer/consumer roles.
  2. Mediasoup Manages Media Routing
    • Optimizes video/audio streams for efficient bandwidth usage.
  3. Socket.IO Handles Communication
    • Provides real-time updates between clients.
  4. Active Speaker Detection
    • Dynamically updates the UI to display the top 5 active speakers.

Contact

For any queries, feel free to reach out or create an issue in the repository.