Learning WebRTC by Dan Ristic

By Dan Ristic

Develop interactive real-time verbal exchange purposes with WebRTC

About This Book

  • Create easy-to-use real-time verbal exchange functions utilizing WebRTC platform
  • Learn the simplest practices at the back of traversing networks, signaling, defense, and knowledge delivery in WebRTC applications
  • Use complete mesh networks, partial mesh networks, and multi element keep an eye on devices to regulate your applications

Who This e-book Is For

If you're a net developer who desires to create good designed WebRTC functions on your clients, this can be the ebook for you. no matter if you're early on your internet improvement profession, this ebook goals to supply a whole knowing of the WebRTC API. it truly is assumed that you've got earlier publicity to net improvement utilizing HTML5 and JavaScript technologies.

What you are going to Learn

  • Understand the underlying platform that WebRTC is equipped upon
  • Create purposes that make the most of your net digicam and microphone
  • Build your personal signaling server from scratch
  • Enable your functions to speak with a number of users
  • Share info and documents throughout peer-to-peer connections utilizing WebRTC
  • Implement top practices to safe and make a WebRTC software perform
  • Get to understand extra approximately multi-peer mesh networks for greater than users
  • Learn the simplest practices at the back of traversing networks, signaling, safeguard, and information delivery in WebRTC applications
  • Use complete mesh networks, partial mesh networks, and multipoint keep an eye on devices to regulate your applications

In Detail

The ebook starts off by means of educating you the way to seize audio and video streams from the browser utilizing the Media catch and Streams API.

You will then create your first WebRTC program in a position to audio and video calling. The ebook also will offer you in-depth wisdom approximately signaling and construction a signaling server in Node.js. whereas being brought to the RTCDataChannel item, you'll find out how it pertains to WebRTC and the way so as to add text-based chat on your program. additionally, you will discover ways to take your software extra by way of aiding a number of clients via varied applied sciences and scale its functionality and protection. This e-book also will hide a number of theories utilizing complete mesh networks, partial mesh networks, and multipoint regulate devices. via the tip of this ebook, you might have an in depth figuring out of real-time conversation and the WebRTC protocol and APIs.

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Additional info for Learning WebRTC

Sample text

31 ] Creating a Basic WebRTC Application A similar effect can already be seen with any video-playing application today. Video games and streaming media players can tolerate losing a few frames of video due to the special properties of the human brain. Our minds try to fill in the missing gaps as we visualize and process a video or game that we are watching. If our goal is to play 30 frames in one second and we miss frame 28, most of the time, the user will not even notice. This gives our video applications a different set of requirements: That is why User Datagram Protocol (UDP) is the transport protocol of choice when dealing with WebRTC applications.

Next, we will create our JavaScript source code. RTCPeerConnection; } The first function deals with the getUserMedia API and should look familiar. The second function does a similar thing with the RTCPeerConnection object, ensuring we can use it in the browser. It first tries to assign any implemented WebRTC functions in the browser to a common function we can use in every use case. It then returns the assignment of that variable to see whether it actually exists in this browser. Now that we can tell which APIs the user supports, let's go ahead and start using them.

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