WebRTC Cookbook by Andrii Sergiienko

By Andrii Sergiienko

Get to grips with complex real-time verbal exchange purposes and companies on WebRTC with sensible, hands-on recipes

About This Book

  • Explore task-based recipes on integrating your WebRTC software with platforms resembling Asterisk and Freeswitch
  • Set up state-of-the-art speaking networks by way of figuring out the basics of debugging, protection, integration, attendant providers, and more
  • Gain complicated wisdom of WebRTC with those enormously powerful recipes

Who This publication Is For

If you're a JavaScript developer with a easy wisdom of WebRTC and software program improvement, yet are looking to discover the best way to use it in additional intensity, this publication is for you.

In Detail

Using WebRTC, you may improve in-browser purposes and internet prone with prolonged multimedia good points akin to audio/video calls, VoIP, reveal casting, peer-to-peer dossier moving and extra, with no fitting any third-party components/plugins at the consumer. during this booklet, you are going to discover functional recipes protecting the center elements of software and repair improvement with WebRTC. After a recap of the fundamentals of constructing wealthy media net functions and providers, you are going to delve into center functionalities reminiscent of defense and SSL, integration with different applied sciences resembling VoIP and SIP, debugging consumers and servers, operating with filters, local purposes for cellular structures, and utilizing third-party components.

By the tip of this publication, it is possible for you to manage complicated, real-time, speaking networks with a whole realizing of center WebRTC features.

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Additional resources for WebRTC Cookbook

Example text

In this chapter, we use WebSocket to implement signaling, although you can use any other protocol. So, by learning signaling server, you will find simple solutions in Erlang as well. This chapter also covers the basic use case of how to use WebRTC data channels: file transferring and peer-to-peer chat. You will also learn how to configure and use Session Traversal Utilities for NAT (STUN) and Traversal Using Relays around NAT (TURN) services, and of course, this chapter covers making peer-to-peer calls using WebRTC.

How to do it… The following steps will lead you through the process of building a signaling server using Erlang: 1. Create a new folder for the signaling server application and navigate to it. 2. Using the Rebar tool, create a basic Erlang application: rebar create-app appid=sigserver This command will create an src folder and relevant application files in it. 3. config file, and put the following Rebar configuration in it: {erl_opts, [warnings_as_errors]}. 0" }} ]}. 4. src file and add the following components to the application’s section list: cowlib, cowboy, compiler, and gproc.

Com/support and register to have the files emailed directly to you. The application listens on port 30001 for incoming WebSocket connections from the browser clients. The signaling server will check whether the virtual room exists and if so, it will route call/answer requests and answers between the peers in order to make them establish a direct peer-to-peer WebRTC connection. It doesn’t have any advanced features, and the main goal of it is to help peers establish direct connection between each other.

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WebRTC Cookbook by Andrii Sergiienko
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