BUG: Specify stream name for resolution (and image) in Picamera2Camera

src/detector/implementations/camera_picamera2.py

@@ -32,6 +32,7 @@
 
 _CAMERA_RESOLUTION_KEY: Final[str] = "size"
 
+_CAMERA_STREAM: Final[str] = "main"
 _CAMERA_CONTROLS_KEY: Final[str] = "controls"
 _CAMERA_FPS_KEY: Final[str] = "FramesPerSecond"
 _CAMERA_FPS_DEFAULT: Final[float] = 30.0
@@ -104,10 +105,6 @@ def get_image(self) -> numpy.ndarray:
             raise MCTDetectorRuntimeError(message="There is no captured image.")
         return self._image
 
-    def get_resolution(self) -> ImageResolution:
-        resolution: tuple[int, int] = self._camera_configuration[_CAMERA_RESOLUTION_KEY]
-        return ImageResolution(x_px=resolution[0], y_px=resolution[1])
-
     def get_parameters(self, **_kwargs) -> list[KeyValueMetaAbstract]:
         if self.get_status() != CameraStatus.RUNNING:
             raise MCTDetectorRuntimeError(message="The capture is not active, and properties cannot be retrieved.")
@@ -170,6 +167,10 @@ def get_parameters(self, **_kwargs) -> list[KeyValueMetaAbstract]:
 
         return return_value
 
+    def get_resolution(self) -> ImageResolution:
+        resolution: tuple[int, int] = self._camera_configuration[_CAMERA_STREAM][_CAMERA_RESOLUTION_KEY]
+        return ImageResolution(x_px=resolution[0], y_px=resolution[1])
+
     @staticmethod
     def get_type_identifier() -> str:
         return "picamera2"
@@ -268,7 +269,7 @@ def stop(self) -> None:
         self._camera.stop()
 
     def update(self) -> None:
-        self._image = self._camera.capture_array()
+        self._image = self._camera.capture_array(_CAMERA_STREAM)
 
         if self._image is None:
             message: str = "Failed to grab frame."