Merge pull request #108165 from shiena/feature/improve-camera-server

Add `CameraServer` `feeds_updated` signal, and document async behavior

modules/camera/camera_android.cpp

@@ -474,6 +474,7 @@ void CameraAndroid::update_feeds() {
 	}
 
 	ACameraManager_deleteCameraIdList(cameraIds);
+	emit_signal(SNAME(CameraServer::feeds_updated_signal_name));
 }
 
 void CameraAndroid::remove_all_feeds() {

modules/camera/camera_linux.cpp

@@ -80,6 +80,7 @@ void CameraLinux::_update_devices() {
 			free(devices);
 		}
 
+		call_deferred("emit_signal", SNAME(CameraServer::feeds_updated_signal_name));
 		usleep(1000000);
 	}
 }

modules/camera/camera_macos.mm

@@ -363,6 +363,7 @@ void CameraMacOS::update_feeds() {
 			add_feed(newfeed);
 		};
 	};
+	emit_signal(SNAME(CameraServer::feeds_updated_signal_name));
 }
 
 void CameraMacOS::set_monitoring_feeds(bool p_monitoring_feeds) {