Clean room with no sessions

main.go

@@ -227,12 +227,14 @@ func fanoutScreen(imageChannel chan *image.RGBA, roomID string) {
 			// encode frame
 			// fanout imageChannel
 			if webRTC.IsConnected() {
+				// NOTE: can block here
 				webRTC.ImageChannel <- yuv
 			}
 			isRoomRunning = true
 		}
 
 		if isRoomRunning == false {
+			log.Println("Closed room", roomID)
 			rooms[roomID].closedChannel <- true
 		}
 	}

ui/director.go

@@ -69,7 +69,6 @@ L:
 		select {
 		// if there is event from close channel => the game is ended
 		case <-d.closedChannel:
-			log.Println("Closed game")
 			break L
 		default:
 		}

webrtc/webrtc.go

@@ -185,6 +185,10 @@ func (w *WebRTC) StartClient(remoteSession string, width, height int) (string, e
 			// Input is key state, represented as binary string, 1001011. We compress it to binary number
 			w.InputChannel <- i
 		})
+
+		d.OnClose(func() {
+			w.isClosed = true
+		})
 	})
 
 	offer := webrtc.SessionDescription{}
@@ -224,7 +228,7 @@ func (w *WebRTC) StopClient() {
 		w.connection.Close()
 	}
 	w.connection = nil
-	w.isClosed = true
+	//w.isClosed = true
 }
 
 // IsConnected comment