• Wideband codecs (voice and video)
• Echo cancellation
• Noise reduction/suppression
• Automatic Gain Control
• Network Traversal
• P2P protocols
• Session setup

• set up video on a Web page
  • <video> element
• access local devices: camera, microphone
  • navigator.getUserMedia()
• display a/v from local or remote peer
  • createObjectURL
• connect to remote peers
  • PeerConnection API

Plugin-free video conferencing in the browser!

<video id="sourcevid" autoplay></video>
<script>
  var video = document.getElementById('sourcevid');
  navigator.getUserMedia('video', success, error);
  function success(stream) {
      video.src = window.URL.createObjectURL(stream);
  }
</script>

1. Establish a local stream (DONE)
2. Negotiate a connection: WebSockets, SIP, etc.
3. Add the remote stream to the local display

<video id="remotevid" autoplay></video>

var remotevid = document.getElementById('remotevid');

peerConn = new webkitPeerConnection("TURN localhost:12345", onSignal);
peerConn.onaddstream = onRemoteStreamAdded;
peerConn.addstream = localStream;

function onSignal(message) {
    sendSignalling(message);
}
function onRemoteStreamAdded(event) {
    remoteVideo.src = window.URL.createObjectURL(event.stream);
}