How to Create a Video Chat With React, TypeScript, and WebRTC

How to Create a Video Chat With React, TypeScript, and WebRTC

To understand how WebRTC works, we first have to get these four concepts from the WebRTC project. How to Create a Video Chat With React, TypeScript, and WebRTC. Creating a peer-to-peer connection to establish a video chat. WebRTC (Web Real-Time Communication) is an open-source project that enables peer-to-peer communication of audio, video, and data in web browsers and native apps on iOS and Android.

Creating a peer-to-peer connection to establish a video chat

Nowadays, more and more people are using online resources to communicate, giving presentations, working on projects or even creating music in online collaboration. Therefore, many tech companies are enhancing their services to provide a way to make this communication easy to scale, easy to use, more accessible, and more efficient.

In this article, we’ll learn how to create a peer-to-peer connection to establish a video chat between two or more users, without requiring the user to install plug-ins or any other third-party software.

What is WebRTC?

WebRTC is a new front in the long war for an open and unencumbered web. — Brendan Eich

WebRTC (Web Real-Time Communication) is an open-source project that enables peer-to-peer communication of audio, video, and data in web browsers and native apps on iOS and Android. The project is supported by Apple, Google, Microsoft, and Mozilla, among others.

In the WebRTC implementation, we have several interrelated JavaScript APIs and protocols for capturing and streaming media between browsers. With WebRTC you can stream audio and/or video media as well as arbitrary data without the need for an intermediary.

How Does It Work?

To understand how WebRTC works, we first have to get these four concepts from the WebRTC project: SDP, Signaling Server, ICE, and STUN Server.

  • SDP: Session Description Protocol is the standard that describes a peer-to-peer connection. It contains codec, source address, the timing information of audio and video. We use it to describe a peer-to-peer session.
  • Signaling Server: The server that coordinates stream communication and sends control messages. It’s not defined by WebRTC, so you can use whatever server you like. In the following example, we will use WebSocket with Firebase to implement this server.
  • ICE: Interactive Connectivity Establishment is a framework used for connecting two peers, regardless of network topology. This protocol allows two peers to find and establish a connection with one another, even if they may both be using NAT (Network Address Translator) or behind a firewall. The framework chooses the best connection between two peers.
  • STUN Server: Session Traversal Utilities for NAT is used by ICE for transmitting data around a NAT.

react typescript webrtc peer-to-peer

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