reset coutner after heartbeat

camera1/cam.py

@@ -134,6 +134,7 @@ if __name__ == "__main__":
         counter += 1
         if counter >= 10:
             client.publish("video/heartbeat", "cam1")
+            counter = 0
 
     pipeline.set_state(Gst.State.NULL)
     print("Pipeline dead. Bye")

camera2/cam2.py

@@ -89,5 +89,6 @@ if __name__ == "__main__":
         time.sleep(1)
         if counter >= 10:
             client.publish("video/heartbeat", "cam2")
+            counter = 0
 
     pipeline.set_state(Gst.State.NULL)