code: def connect(self, packet=None):
          
  
          if isinstance(packet, RTMPPacket):
              packet = packet.packet
          else:
              packet = ffi.NULL
  
          res = librtmp.RTMP_Connect(self.rtmp, packet)
          if res < 1:
              raise RTMPError("Failed to connect")
  
          return RTMPCall(self, 1.0)
docs: Connect to the server.
  
          :param packet: RTMPPacket, this packet will be sent instead
                         of the regular "connect" packet.
  
          Raises :exc:`RTMPError` if the connect attempt fails.