WebRTC Fail

gistfile1.dart

import 'dart:html';

void main() {
  RtcPeerConnection pc1 = new RtcPeerConnection(null);
  RtcPeerConnection pc2 = new RtcPeerConnection(null);
  
  pc1.onAddStream.listen((MediaStreamEvent e) {
    print("pc1 got stream");
  });
  
  pc2.onAddStream.listen((MediaStreamEvent e) {
    print("pc2 got stream");
  });
  
  pc1.onIceCandidate.listen((RtcIceCandidateEvent e) {
    if (e.candidate != null)
      pc2.addIceCandidate(e.candidate);
  });
  
  pc2.onIceCandidate.listen((RtcIceCandidateEvent e) {
    if (e.candidate != null)
      pc1.addIceCandidate(e.candidate);
  });
  
  pc1.onNegotiationNeeded.listen((Event e) {
    pc1.createOffer({}).then((RtcSessionDescription sdp) {
      pc1.setLocalDescription(sdp);
      pc2.setRemoteDescription(sdp);
      pc2.createAnswer({}).then((RtcSessionDescription sdp2) {
        pc2.setLocalDescription(sdp2);
        pc1.setRemoteDescription(sdp2);
      });
    });
  });
  
  if (MediaStream.supported) {
    window.navigator.getUserMedia(audio: true, video: true).then((LocalMediaStream stream) {
      pc1.addStream(stream);
      pc2.addStream(stream);
    });
  }
}