Add support backchannel for Tapo source

cmd/tapo/tapo.go

@@ -15,11 +15,5 @@ func handle(url string) (streamer.Producer, error) {
 	if err := conn.Dial(); err != nil {
 		return nil, err
 	}
-	if err := conn.Play(); err != nil {
-		return nil, err
-	}
-	if err := conn.Handle(); err != nil {
-		return nil, err
-	}
 	return conn, nil
 }