chromecast: when another app is running on the receiver, start the media player

Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

modules/stream_out/chromecast/chromecast_ctrl.cpp

@@ -315,6 +315,14 @@ void intf_sys_t::processMessage(const castchannel::CastMessage &msg)
                     msg_Warn(p_stream, "app is no longer present. closing");
                     msgReceiverClose(appTransportId);
                     setConnectionStatus(CHROMECAST_CONNECTION_DEAD);
+                    break;
+
+                case CHROMECAST_AUTHENTICATED:
+                    msg_Dbg(p_stream, "Chromecast was running no app, launch media_app");
+                    appTransportId = "";
+                    msgReceiverLaunchApp();
+                    break;
+
                 default:
                     break;
                 }