android: camera_device: Break out size calculation

As the RAW stream sizes needs to be calculated differently from the
processed one, break out the procedure to calculate the processed
(RGB/YUV) resolutions from initializeStreamConfigurations() in order to
prepare for RAW sizes calculation.

Reviewed-by: Hirokazu Honda <hiroh@chromium.org>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>

src/android/camera_device.h

@@ -93,6 +93,11 @@ private:
 	};
 
 	int initializeStreamConfigurations();
+	std::vector<libcamera::Size>
+	getYUVResolutions(libcamera::CameraConfiguration *cameraConfig,
+			  const libcamera::PixelFormat &pixelFormat,
+			  const std::vector<libcamera::Size> &resolutions);
+
 	std::tuple<uint32_t, uint32_t> calculateStaticMetadataSize();
 	libcamera::FrameBuffer *createFrameBuffer(const buffer_handle_t camera3buffer);
 	void notifyShutter(uint32_t frameNumber, uint64_t timestamp);