title: WebRTC Swift RemoteStream not Rendering
body: <p>I have created RTCMTLVideoView throught Outlet.</p>
  
  <pre><code>@IBOutlet weak var otherEndVideoHolderView : RTCMTLVideoView!
  </code></pre>
  
  <p>And collected RTCMediaStream From the RTCPeerConnectionDelegate Delegate</p>
  
  <pre><code>    func peerConnection(_ peerConnection: RTCPeerConnection, didAdd stream: RTCMediaStream) {
      debugPrint("peerConnection did add stream")
  
      if let video = stream.videoTracks.first{
          self.remoteVideoTrack = video
          self.delegate?.webRTCClient(self, didReceiveRemoteRender: video)
      }
  }
  </code></pre>
  
  <p>After Offer -> Answer -> and peer status to <strong>connected</strong>. Only local video is rendering. Remote video is not rendering.
  <a href="https://i.stack.imgur.com/NxWMx.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/NxWMx.png" alt="enter image description here"></a></p>