Building a basic WebRTC application

Now that we have a good understanding of how the pieces of WebRTC are used, we are going to build our first WebRTC-enabled application. By the end of this chapter, you will have a working WebRTC web page where you can see the technology in action. We are going to pull all the information we just covered in to an easy-to-develop example. We will cover:

• Creating a RTCPeerConnection

• Creating the SDP offer and response

• Finding ICE candidates for peers

• Creating a successful WebRTC connection

Creating a RTCPeerConnection

The application we are going to create will, unfortunately, not be an entirely useful one, unless you happen to like looking at yourself in a mirror. What we aim to do in this chapter is connect a browser window to itself, streaming video data from the user's camera. The end goal is to get two video streams on the page, one coming from the camera directly and the other coming from a WebRTC connection that the browser has made locally.

Although this...