WebRTC Blueprints

Andrii Sergiienko

• Publisher: Packt Publishing
• Year: 2014
• ISBN:
  9781783983100
• Edition: 1
• Topic: Business
• Subtopic: Digital Marketing
• Index: Business

In Detail

This book introduces you to WebRTC and how you can utilize its open API. Each chapter covers a new concept of the technology with thoroughly explained code examples of completed applications to help you learn quickly and efficiently.

You will learn about the client and server sides of a WebRTC application in a practical manner, as well as how to implement data exchange between peers using the WebRTC Data API. The book also guides you through how to develop applications for desktop sharing and prerecorded video streaming. The book also teaches you how to use HTTPS with a WebRTC application and why it can be useful. You will also learn how to implement authentication in an application and integrate it with your own TURN server.

Approach

This book is a step-by-step project-based guide that aims to teach you how to develop your own web applications and services with WebRTC in a concise, practical manner.

Who this book is for

If you are a WebRTC developer and want to build complex WebRTC applications and projects, or if you want to gain practical experience in developing web applications, advanced WebRTC media handling, Server and client signalling, call flows, third party integration, then this book is perfect for you. It is essential to have prior knowledge about building simple applications using WebRTC.

WebRTC Blueprints

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Table of Contents

WebRTC Blueprints

Credits

About the Author

Acknowledgments

About the Reviewers

www.PacktPub.com

Support files, eBooks, discount offers, and more

Why subscribe?

Free access for Packt account holders

Preface

What is WebRTC?

Supported platforms and devices

Codecs that are supported in WebRTC

Why should I use WebRTC?

Applications you can easily build using WebRTC

More ideas

Benefits of using WebRTC in your business

What this book covers

What you need for this book

Who this book is for

Conventions

Reader feedback

Customer support

Downloading the example code

Errata

Piracy

Questions

1. Developing a WebRTC Application

Establishing a peer-to-peer connection

The Session Description Protocol

ICE and ICE candidates

NAT traversal

WebSocket

Preparing the environment

Installing Erlang

Installing Rebar

Configuring a web server

A simple p2p video conference – the browser application

Developing a WebRTC API adapter

Developing a WebRTC API wrapper

Developing an index page

Local and remote video objects

A simple p2p video conference – the server application

The application description file

The application module

The server supervisor

The WebSocket handler

Developing a configuration script for Rebar

Compiling and running the signaling server

Let's start the conference!

Configuring and installing your own STUN server

Summary

2. Using the WebRTC Data API

Introducing the Data API

Introducing protocols

Introducing HTML5

Introducing the HTML5 File API

Known limitations

Preparing the environment

A simple file-sharing service – the browser application

The WebRTC API wrapper

Developing the main page of the application

Running the application

Summary

3. The Media Streaming and Screen Casting Services

Preparing our environment

Using HTTPS and SSL

Configuring a WebSocket proxy

The web browser configuration

Preparing a media file

Developing the application

Developing a signaling server

Limitations

The media streaming and screen casting service

Developing a WebRTC API wrapper

Creating the application's index page

Starting the application and testing it

Summary

4. Security and Authentication

Preparing our environment

Signaling

Using STUN and TURN

Using the TURN authentication

The TURN transport layer

The TURN REST API

Using web-based identity providers

Deploying the TURN server

Configuring HTTPS and self-signed certificates

Configuring the server's firewall

Configuring the TURN server

The TURN REST API flag

Integrating the TURN server with our application

Improving the signaling server

Improving the JavaScript browser-side code

Starting the application and testing

Summary

5. Mobile Platforms

Preparing the environment

Supporting WebRTC on mobile platforms

Android

iOS

Windows Phones

Blackberry

Utilizing WebRTC via a native browser

Utilizing WebRTC using browser applications

Developing native mobile applications

Looking at WebRTC on mobile platforms

Hardware

Environment

Using third-party libraries and SDKs

Building a WebRTC native demo application

Building a WebRTC demo application for Android

Configuring the build environment

Obtaining the source code

Installing Oracle JDK

Preparing for compilation

Installing Android Development Tools

Compiling the code

Running the Android demo application on an emulator

Running the Android demo application on your device

Testing the Android demo application

Building a WebRTC demo for iOS

Preparing the environment

Creating a work directory

Downloading the source code

Getting the chromium depot tools

Downloading the WebRTC source code

Building and running a demo application on the iOS 7 simulator

Building and running a demo application on the iOS device

Fixing possible issues in iOS 7

Changing the code

Summary

Index

WebRTC Blueprints

Copyright © 2014 Packt Publishing

All rights reserved. No part of this book may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, without the prior written permission of the publisher, except in the case of brief quotations embedded in critical articles or reviews.

Every effort has been made in the preparation of this book to ensure the accuracy of the information presented. However, the information contained in this book is sold without warranty, either express or implied. Neither the author, nor Packt Publishing, and its dealers and distributors will be held liable for any damages caused or alleged to be caused directly or indirectly by this book.

Packt Publishing has endeavored to provide trademark information about all of the companies and products mentioned in this book by the appropriate use of capitals. However, Packt Publishing cannot guarantee the accuracy of this information.

First published: May 2014

Production Reference: 1080514

Published by Packt Publishing Ltd.

Livery Place

35 Livery Street

Birmingham B3 2PB, UK.

ISBN 978-1-78398-310-0

www.packtpub.com

Cover Image by Manu Gangadhar (<[email protected]>)

Credits

Author

Andrii Sergiienko

Reviewers

Alessandro Arrichiello

Antón Román Portabales

Commissioning Editor

Usha Iyer

Acquisition Editors

Kevin Colaco

Rubal Kaur

Content Development Editor

Manasi Pandire

Technical Editors

Krishnaveni Haridas

Manal Pednekar

Copy Editors

Dipti Kapadia

Kirti Pai

Stuti Srivastava

Project Coordinator

Sanghamitra Deb

Proofreaders

Stephen Copestake

Maria Gould

Ameesha Green

Paul Hindle

Indexer

Monica Ajmera Mehta

Graphics

Disha Haria

Yuvraj Mannari

Production Coordinators

Nilesh Bambardekar

Arvindkumar Gupta

Cover Work

Nilesh Bambardekar

Arvindkumar Gupta

About the Author

Andrii Sergiienko is a computer software developer from Ukraine, who is passionate about information technologies and traveling. He has lived in different places and seen different kinds of cultures. Over the years, he has lived in Russia, Belarus, Mongolia, Buryatia, and Siberia. He likes to travel across Europe by auto.

From his early childhood, Andrii was interested in computer programming and hardware; he took his first steps in these fields more than 20 years ago. Andrii has experience with a wide set of languages such as C, C++, Java, Assembler, Erlang, JavaScript, and PHP. He has also worked with technologies such as Riak, shell scripting, computer networks, and security.

In his career, Andrii has worked for both small local companies such as domestic ISPs and large world corporations such as Hewlett Packard. He has also started his own companies, some of which were relatively successful; others failed.

Today, Andrii is the founder of Oslikas, a computer software company that has its headquarters in Estonia. The company is focused on modern IT technologies and solutions. They also develop a full-stack framework to create rich media WebRTC applications and services. You can read more about Oslikas at http://www.oslikas.com.

Acknowledgments

Working on this book was a really great and interesting experience for me, full of brainstorming and emotions. All this would definitely be impossible without the help of certain people. This is the time to say thank you.

First of all, I would like to thank my parents, Olga and Alexander, for providing me with a happy childhood that shaped my future and my career.

I would like to thank my wife, Inna, for her...

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• WebRTC Blueprints