refactor: implement CameraManager class with methods for detecting GPhoto and OpenCV cameras

controllers/main_controller.py

@@ -5,89 +5,96 @@ from core.media import MediaRepository
 from ui.widgets.color_list_widget import ColorListWidget
 from ui.widgets.thumbnail_list_widget import ThumbnailListWidget
 from ui.widgets.split_view_widget import SplitView
-from .camera_controller import CameraController
-
-from core.camera.gphoto_camera import GPhotoCamera
+# from .camera_controller import CameraController
+from core.camera.camera_controller import CameraController
 from core.camera.camera_manager import CameraManager
 
+
+from core.camera.gphoto_camera import GPhotoCamera
+from core.camera.camera_controller import CameraController
+
 class MainController:
-    def __init__(self, view):
-        self.db = DatabaseManager()
-        self.db.connect()
-        self.media_repo = MediaRepository(self.db)
-        self.media_repo.sync_media()
+	def __init__(self, view):
+		self.db = DatabaseManager()
+		self.db.connect()
+		self.media_repo = MediaRepository(self.db)
+		self.media_repo.sync_media()
 
-        camera = GPhotoCamera()
-        self.manager = CameraManager(camera)
+		# camera = GPhotoCamera()
+		# self.manager = CameraController(camera)
+		manager = CameraManager()
+		manager.detect_gphoto()
+		manager.detect_opencv()
+
+		# self.camera_controller = CameraController()
+
+		self.view = view
+		self.color_list: ColorListWidget = view.color_list_widget
+		self.thumbnail_list: ThumbnailListWidget = view.thumbnail_widget
+		self.split_view: SplitView = view.preview_widget
+
+		self.photo_button: QPushButton = view.photo_button
+		self.photo_button.clicked.connect(self.take_photo)
+
+		self.record_button: QPushButton = view.record_button
+		# self.record_button.clicked.connect(self.fun_test)
+
+		self.color_list.colorSelected.connect(self.on_color_selected)
+		self.color_list.editColor.connect(self.on_edit_color)
+		self.thumbnail_list.selectedThumbnail.connect(self.on_thumbnail_selected)
+
+		# self.camera_controller.errorOccurred.connect(self.split_view.widget_start.set_info_text)
+		# self.manager.error_occurred.connect(self.split_view.widget_start.set_info_text)
+		# self.camera_controller.frameReady.connect(self.split_view.set_live_image)
+		# self.manager.frame_ready.connect(self.split_view.set_live_image)
+		# self.split_view.widget_start.camera_start_btn.clicked.connect(self.camera_controller.start)
+		self.split_view.widget_start.camera_start_btn.clicked.connect(self.start_liveview)
 
 
-        # self.camera_controller = CameraController()
+	def start_camera(self):
+		pass
 
-        self.view = view
-        self.color_list: ColorListWidget = view.color_list_widget
-        self.thumbnail_list: ThumbnailListWidget = view.thumbnail_widget
-        self.split_view: SplitView = view.preview_widget
-
-        self.photo_button: QPushButton = view.photo_button
-        self.photo_button.clicked.connect(self.take_photo)
-
-        self.record_button: QPushButton = view.record_button
-        # self.record_button.clicked.connect(self.fun_test)
-
-        self.color_list.colorSelected.connect(self.on_color_selected)
-        self.color_list.editColor.connect(self.on_edit_color)
-        self.thumbnail_list.selectedThumbnail.connect(self.on_thumbnail_selected)
-
-        # self.camera_controller.errorOccurred.connect(self.split_view.widget_start.set_info_text)
-        self.manager.error_occurred.connect(self.split_view.widget_start.set_info_text)
-        # self.camera_controller.frameReady.connect(self.split_view.set_live_image)
-        self.manager.frame_ready.connect(self.split_view.set_live_image)
-        # self.split_view.widget_start.camera_start_btn.clicked.connect(self.camera_controller.start)
-        self.split_view.widget_start.camera_start_btn.clicked.connect(self.start_liveview)
+	def load_colors(self) -> None:
+		colors = self.db.get_all_colors()
+		print("Loaded colors:", colors)
+		self.color_list.set_colors(colors)
 
 
-    def start_camera(self):
-        pass
+	def on_color_selected(self, color_name: str):
+		print(f"Wybrano kolor: {color_name}")
+		color_id = self.db.get_color_id(color_name)
+		if color_id is not None:
+			media_items = self.db.get_media_for_color(color_id)
+			print(f"Media dla koloru {color_name} (ID: {color_id}):", media_items)
 
-    def load_colors(self) -> None:
-        colors = self.db.get_all_colors()
-        print("Loaded colors:", colors)
-        self.color_list.set_colors(colors)
+			self.thumbnail_list.list_widget.clear()
+			for media in media_items:
+				if media['file_type'] == 'photo':
+					file_name = Path(media['media_path']).name
+					self.thumbnail_list.add_thumbnail(media['media_path'], file_name, media['id'])
+		else:
+			print(f"Nie znaleziono koloru o nazwie: {color_name}")
 
+	def on_edit_color(self, color_name: str):
+		print(f"Edycja koloru: {color_name}")
 
-    def on_color_selected(self, color_name: str):
-        print(f"Wybrano kolor: {color_name}")
-        color_id = self.db.get_color_id(color_name)
-        if color_id is not None:
-            media_items = self.db.get_media_for_color(color_id)
-            print(f"Media dla koloru {color_name} (ID: {color_id}):", media_items)
+	def on_thumbnail_selected(self, media_id: int):
+		media = self.db.get_media(media_id)
+		if media:
+			print(f"Wybrano miniaturę o ID: {media_id}, ścieżka: {media['media_path']}")
+			self.split_view.set_reference_image(media['media_path'])
+		else:
+			print(f"Nie znaleziono mediów o ID: {media_id}")
 
-            self.thumbnail_list.list_widget.clear()
-            for media in media_items:
-                if media['file_type'] == 'photo':
-                    file_name = Path(media['media_path']).name
-                    self.thumbnail_list.add_thumbnail(media['media_path'], file_name, media['id'])
-        else:
-            print(f"Nie znaleziono koloru o nazwie: {color_name}")
+	def take_photo(self):
+		print("Robienie zdjęcia...")
+		self.split_view.toglle_live_view()
 
-    def on_edit_color(self, color_name: str):
-        print(f"Edycja koloru: {color_name}")
+	def start_liveview(self):
+		pass
+		# self.manager.start_camera()
+		# self.manager.start_stream()
 
-    def on_thumbnail_selected(self, media_id: int):
-        media = self.db.get_media(media_id)
-        if media:
-            print(f"Wybrano miniaturę o ID: {media_id}, ścieżka: {media['media_path']}")
-            self.split_view.set_reference_image(media['media_path'])
-        else:
-            print(f"Nie znaleziono mediów o ID: {media_id}")
-
-    def take_photo(self):
-        print("Robienie zdjęcia...")
-        self.split_view.toglle_live_view()
-
-    def start_liveview(self):
-        self.manager.start_camera()
-        # self.manager.start_stream()
-
-    def shutdown(self):
-        self.manager.stop()
+	def shutdown(self):
+		pass
+		# self.manager.stop()

core/camera/base_camera.py

@@ -2,36 +2,41 @@ from abc import ABC, abstractmethod
 
 
 class BaseCamera(ABC):
-    def __init__(self) -> None:
-        self.error_msg = None
+	def __init__(self) -> None:
+		self.error_msg = None
 
-    @abstractmethod
-    def connect(self) -> bool:
-        raise NotImplementedError
+	@staticmethod
+	@abstractmethod
+	def detect() -> dict:
+		raise NotImplementedError
 
-    @abstractmethod
-    def disconnect(self) -> None:
-        raise NotImplementedError
+	@abstractmethod
+	def connect(self, index: int | None = None) -> bool:
+		raise NotImplementedError
 
-    @abstractmethod
-    def get_frame(self):
-        raise NotImplementedError
+	@abstractmethod
+	def disconnect(self) -> None:
+		raise NotImplementedError
 
-    @abstractmethod
-    def get_config_by_id(self, id: int) -> dict:
-        raise NotImplementedError
+	@abstractmethod
+	def get_frame(self):
+		raise NotImplementedError
 
-    @abstractmethod
-    def get_config_by_name(self, name: str) -> dict:
-        raise NotImplementedError
+	@abstractmethod
+	def get_config_by_id(self, id: int) -> dict:
+		raise NotImplementedError
 
-    @abstractmethod
-    def set_config_by_id(self, id: int, value) -> None:
-        raise NotImplementedError
+	@abstractmethod
+	def get_config_by_name(self, name: str) -> dict:
+		raise NotImplementedError
 
-    @abstractmethod
-    def set_config_by_name(self, name: str, value) -> None:
-        raise NotImplementedError
+	@abstractmethod
+	def set_config_by_id(self, id: int, value) -> None:
+		raise NotImplementedError
 
-    def get_error_msg(self):
-        return str(self.error_msg)
+	@abstractmethod
+	def set_config_by_name(self, name: str, value) -> None:
+		raise NotImplementedError
+
+	def get_error_msg(self):
+		return str(self.error_msg)

core/camera/camera_controller.py

@@ -0,0 +1,115 @@
+from PySide6.QtCore import QObject, QThread, QTimer, Signal, Slot, QMutex, QMutexLocker
+from PySide6.QtGui import QImage, QPixmap
+import cv2
+
+from .base_camera import BaseCamera
+
+
+class CameraController(QThread):
+    frame_ready = Signal(QPixmap)
+    photo_ready = Signal(QPixmap)
+    error_occurred = Signal(str)
+    _enable_timer = Signal(bool)
+
+
+    def __init__(self, parent: QObject | None = None) -> None:
+        super().__init__(parent)
+        self.camera = None
+        self.timer = None
+        self.fps = 15
+        self.is_streaming = False
+        self.is_connected = False
+
+        self._camera_mutex = QMutex()
+        self.start()
+
+
+    def run(self) -> None:
+        self.timer = QTimer()
+        self.timer.timeout.connect(self._update_frame)
+        self._enable_timer.connect(self._set_timer)
+        self.exec()
+ 
+    def stop(self):
+        self.stop_camera()
+        self.quit()
+        self.wait()
+
+    def set_camera(self, camera: BaseCamera, fps: int = 15) -> None:
+        with QMutexLocker(self._camera_mutex):
+            self.stop_stream()
+            self.stop_camera()
+
+            self.camera = camera
+            self.fps = fps
+
+    def start_camera(self) -> None:
+        if self.camera is None or self.is_connected:
+            return
+
+        if self.camera.connect():
+            self.is_connected = True
+        else:
+            self.is_connected = False
+            self.error_occurred.emit(self.camera.get_error_msg())
+
+    def stop_camera(self) -> None:
+        if self.is_streaming:
+            self.stop_stream()
+
+        if self.camera is not None:
+            self.camera.disconnect()
+
+        self.is_connected = False
+
+    def start_stream(self):
+        if not self.is_connected:
+            return
+
+        if self.is_streaming:
+            return
+
+        if self.timer:
+            self.is_streaming = True
+            # self.timer.start()
+            self._enable_timer.emit(True)
+
+    def stop_stream(self) -> None:
+        if self.is_streaming:
+            self.is_streaming = False
+            if self.timer:
+                # self.timer.stop()
+                self._enable_timer.emit(False)
+
+    def _update_frame(self) -> None:
+        with QMutexLocker(self._camera_mutex):
+            if self.camera is None or not self.is_connected:
+                return
+        
+            if not self.is_streaming:
+                return
+
+            ret, frame = self.camera.get_frame()
+
+            if not ret:
+                self.error_occurred.emit(self.camera.get_error_msg())
+                return
+
+        if frame is not None:
+            rgb_image = cv2.cvtColor(frame, cv2.COLOR_BGR2RGB)
+            h, w, ch = rgb_image.shape
+            qimg = QImage(rgb_image.data, w, h, ch * w, QImage.Format.Format_RGB888)
+            pixmap = QPixmap.fromImage(qimg)
+
+            self.frame_ready.emit(pixmap)
+
+    def _set_timer(self, enable: bool):
+        if not self.timer:
+            return
+        
+        if enable:
+            self.timer.setInterval(int(1000 / self.fps))
+            self.timer.start()
+        else:
+            self.timer.stop()
+            

core/camera/camera_manager.py

@@ -1,88 +1,20 @@
-from PySide6.QtCore import QObject, QThread, QTimer, Signal, Slot
-from PySide6.QtGui import QImage, QPixmap
-import cv2
-
-from .base_camera import BaseCamera
 
 
-class CameraManager(QThread):
-    frame_ready = Signal(QPixmap)
-    photo_ready = Signal(QPixmap)
-    error_occurred = Signal(str)
+from .gphoto_camera import GPhotoCamera
+from .opencv_camera import OpenCvCamera
+from .camera_controller import CameraController
 
-    def __init__(self, camera: BaseCamera, fps: int = 15, parent: QObject | None = None) -> None:
-        super().__init__(parent)
-        self.camera = camera
-        self.fps = fps
-        self.timer = None
-        self.is_streaming = False
 
-        self.is_connected = False
+class CameraManager:
+	def __init__(self) -> None:
+		pass
 
-        self.timer = QTimer()
-        self.timer.setInterval(int(1000 / self.fps))
-        self.timer.timeout.connect(self._update_frame)
-        self.start()
+	def detect_gphoto(self):
+		camera_list = GPhotoCamera.detect()
+		print(camera_list)
+		return camera_list
 
-    def run(self) -> None:
-        # self.timer = QTimer()
-        # self.timer.setInterval(int(1000 / self.fps))
-        # self.timer.timeout.connect(self._update_frame)
-        self.exec()
-
-    def start_camera(self) -> None:
-        if self.is_connected:
-            return
-        
-        if self.camera.connect():
-            self.is_connected = True
-        else:
-            self.is_connected = False
-            self.error_occurred.emit(self.camera.get_error_msg())
-
-    def stop_camera(self) -> None:
-        self.is_streaming = False
-        self.is_connected = False
-        if self.timer:
-            self.timer.stop()
-        self.camera.disconnect()
-
-    def start_stream(self):
-        if not self.is_connected:
-            return
-        
-        if self.is_streaming:
-            return
-        
-        if self.timer:
-            self.is_streaming = True
-            self.timer.start()
-
-    def stop_stream(self) -> None:
-        if self.is_streaming:
-            self.is_streaming = False
-            if self.timer:
-                self.timer.stop()
-
-    def _update_frame(self) -> None:
-        if not self.is_streaming or not self.is_connected:
-            return
-
-        ret, frame = self.camera.get_frame()
-
-        if not ret:
-            self.error_occurred.emit(self.camera.get_error_msg())
-            return
-
-        if frame is not None:
-            rgb_image = cv2.cvtColor(frame, cv2.COLOR_BGR2RGB)
-            h, w, ch = rgb_image.shape
-            qimg = QImage(rgb_image.data, w, h, ch * w, QImage.Format.Format_RGB888)
-            pixmap = QPixmap.fromImage(qimg)
-
-            self.frame_ready.emit(pixmap)
-
-    def stop(self):
-        self.stop_camera()
-        self.quit()
-        self.wait()
+	def detect_opencv(self):
+		camera_list = OpenCvCamera.detect()
+		print(camera_list)
+		return camera_list

core/camera/gphoto_camera.py

@@ -7,116 +7,143 @@ import numpy as np
 from .base_camera import BaseCamera
 
 camera_widget_types = {
-    gp.GP_WIDGET_WINDOW: "GP_WIDGET_WINDOW",    # type: ignore
-    gp.GP_WIDGET_SECTION: "GP_WIDGET_SECTION",  # type: ignore
-    gp.GP_WIDGET_TEXT: "GP_WIDGET_TEXT",        # type: ignore
-    gp.GP_WIDGET_RANGE: "GP_WIDGET_RANGE",      # type: ignore
-    gp.GP_WIDGET_TOGGLE: "GP_WIDGET_TOGGLE",    # type: ignore
-    gp.GP_WIDGET_RADIO: "GP_WIDGET_RADIO",      # type: ignore
-    gp.GP_WIDGET_MENU: "GP_WIDGET_MENU",        # type: ignore
-    gp.GP_WIDGET_BUTTON: "GP_WIDGET_BUTTON",    # type: ignore
-    gp.GP_WIDGET_DATE: "GP_WIDGET_DATE",        # type: ignore
+	gp.GP_WIDGET_WINDOW: "GP_WIDGET_WINDOW",    # type: ignore
+	gp.GP_WIDGET_SECTION: "GP_WIDGET_SECTION",  # type: ignore
+	gp.GP_WIDGET_TEXT: "GP_WIDGET_TEXT",        # type: ignore
+	gp.GP_WIDGET_RANGE: "GP_WIDGET_RANGE",      # type: ignore
+	gp.GP_WIDGET_TOGGLE: "GP_WIDGET_TOGGLE",    # type: ignore
+	gp.GP_WIDGET_RADIO: "GP_WIDGET_RADIO",      # type: ignore
+	gp.GP_WIDGET_MENU: "GP_WIDGET_MENU",        # type: ignore
+	gp.GP_WIDGET_BUTTON: "GP_WIDGET_BUTTON",    # type: ignore
+	gp.GP_WIDGET_DATE: "GP_WIDGET_DATE",        # type: ignore
 }
 
 
 class GPhotoCamera(BaseCamera):
-    def __init__(self) -> None:
-        super().__init__()
-        self.camera = None
-        self.configs: List[dict] = []
+	def __init__(self) -> None:
+		super().__init__()
+		self.camera = None
+		self.configs: List[dict] = []
+		self.camera_index = 0
 
-    def connect(self) -> bool:
-        self.error_msg = None
-        try:
-            self.camera = gp.Camera()   # type: ignore
-            self.camera.init()
-            config = self.camera.get_config()
-            self.read_config(config)
-            return True
-        except Exception as e:
-            self.error_msg = f"[GPHOTO2] {e}"
-            self.camera = None
-            return False
+	@staticmethod
+	def detect() -> dict:
+		cameras = gp.check_result(gp.gp_camera_autodetect()) # type: ignore
+		# cameras = gp.Camera().autodetect()
+		if not cameras or cameras.count() == 0:  # type: ignore
+			return {}
+		
+		camera_list = {}
+		for i in range(cameras.count()):     # type: ignore
+			name = cameras.get_name(i)       # type: ignore
+			port = cameras.get_value(i)      # type: ignore
+			camera_list[i] = {"name": name, "port": port}
+		return camera_list
+	
+	def connect(self, index: int | None = None) -> bool:
+		self.error_msg = None
+		self.camera = gp.Camera()   # type: ignore
+		
+		try:
+			if index:
+				self.camera_index = index
+				camera_list = GPhotoCamera.detect()
+				port_info_list = gp.PortInfoList()
+				port_info_list.load()
 
-    def disconnect(self) -> None:
-        if self.camera:
-            self.camera.exit()
-            self.camera = None
-            self.configs.clear()
+				port_address = camera_list[index]["port"]
+				port_index = port_info_list.lookup_path(port_address)
+		
+				self.camera.set_port_info(port_info_list[port_index])
+		 
+			self.camera.init()
+			config = self.camera.get_config()
+			self.read_config(config)
+			return True
+		except Exception as e:
+			self.error_msg = f"[GPHOTO2] {e}"
+			self.camera = None
+			return False
 
-    def get_frame(self):
-        self.error_msg = None
+	def disconnect(self) -> None:
+		if self.camera:
+			self.camera.exit()
+			self.camera = None
+			self.configs.clear()
 
-        if self.camera is None:
-            self.error_msg = "[GPHOTO2] Camera is not initialized."
-            return (False, None)
+	def get_frame(self):
+		self.error_msg = None
 
-        try:
-            file = self.camera.capture_preview()    # type: ignore
-            data = file.get_data_and_size()
-            frame = np.frombuffer(data, dtype=np.uint8)
-            frame = cv2.imdecode(frame, cv2.IMREAD_COLOR)
+		if self.camera is None:
+			self.error_msg = "[GPHOTO2] Camera is not initialized."
+			return (False, None)
 
-            return (True, frame)
-        except Exception as e:
-            self.error_msg = f"[GPHOTO2] {e}"
-            return (False, None)
+		try:
+			file = self.camera.capture_preview()    # type: ignore
+			data = file.get_data_and_size()
+			frame = np.frombuffer(data, dtype=np.uint8)
+			frame = cv2.imdecode(frame, cv2.IMREAD_COLOR)
 
-    def get_config_by_id(self, id: int):
-        return next(w for w in self.configs if w['id'] == id)
+			return (True, frame)
+		except Exception as e:
+			self.error_msg = f"[GPHOTO2] {e}"
+			return (False, None)
 
-    def get_config_by_name(self, name: str):
-        return next(w for w in self.configs if w['name'] == name)
+	def get_config_by_id(self, id: int):
+		return next(w for w in self.configs if w['id'] == id)
 
-    def set_config(self, config, value):
-        if value not in config['choices']:
-            return
+	def get_config_by_name(self, name: str):
+		return next(w for w in self.configs if w['name'] == name)
 
-        config['config'].set_value(value)  # type: ignore
-        if self._save_config(config):
-            config['value'] = value
+	def set_config(self, config, value):
+		if value not in config['choices']:
+			return
 
-    def set_config_by_id(self, id: int, value: str):
-        config = self.get_config_by_id(id)
+		config['widget'].set_value(value)  # type: ignore
+		if self._save_config(config):
+			config['value'] = value
 
-        self.set_config(config, value)
+	def set_config_by_id(self, id: int, value: str):
+		config = self.get_config_by_id(id)
 
-    def set_config_by_name(self, name: str, value: str):
-        config = self.get_config_by_name(name)
+		self.set_config(config, value)
 
-        self.set_config(config, value)
+	def set_config_by_name(self, name: str, value: str):
+		config = self.get_config_by_name(name)
 
-    def _save_config(self, config):
-        if not self.camera:
-            return False
+		self.set_config(config, value)
 
-        self.camera.set_single.config(config['name'], config['widget'])
-        return True
+	def _save_config(self, config):
+		if not self.camera:
+			return False
 
-    def parse_config(self, config):
-        new_config = {
-            "id": config.get_id(),
-            "name": config.get_name(),
-            "label": config.get_label(),
-            "type": camera_widget_types[config.get_type()],
-            "widget": config
-        }
+		self.camera.set_single.config(config['name'], config['widget'])
+		return True
 
-        try:
-            new_config["value"] = config.get_value()
-        except gp.GPhoto2Error:
-            pass
+	def parse_config(self, config):
+		new_config = {
+			"id": config.get_id(),
+			"name": config.get_name(),
+			"label": config.get_label(),
+			"type": camera_widget_types[config.get_type()],
+			"widget": config
+		}
 
-        try:
-            new_config["choices"] = list(config.get_choices())
-        except gp.GPhoto2Error:
-            pass
+		try:
+			new_config["value"] = config.get_value()
+		except gp.GPhoto2Error:
+			pass
 
-        return new_config
+		try:
+			new_config["choices"] = list(config.get_choices())
+		except gp.GPhoto2Error:
+			pass
 
-    def read_config(self, config):
-        self.configs.append(self.parse_config(config))
+		return new_config
 
-        for i in range(config.count_children()):
-            child = config.get_child(i)
-            self.read_config(child)
+	def read_config(self, config):
+		self.configs.append(self.parse_config(config))
+
+		for i in range(config.count_children()):
+			child = config.get_child(i)
+			self.read_config(child)

core/camera/opencv_camera.py

@@ -1,98 +1,128 @@
 import cv2
+from cv2_enumerate_cameras import enumerate_cameras
 from typing import List
 
 from .base_camera import BaseCamera
 
 
+class OpenCvCamera(BaseCamera):
+	"""Kamera oparta na cv2.VideoCapture"""
 
+	config_map = {
+		0: {"name": "frame_width", "cv_prop": cv2.CAP_PROP_FRAME_WIDTH, "default": 640},
+		1: {"name": "frame_height", "cv_prop": cv2.CAP_PROP_FRAME_HEIGHT, "default": 480},
+		2: {"name": "fps", "cv_prop": cv2.CAP_PROP_FPS, "default": 30},
+		3: {"name": "brightness", "cv_prop": cv2.CAP_PROP_BRIGHTNESS, "default": 0.5},
+		4: {"name": "contrast", "cv_prop": cv2.CAP_PROP_CONTRAST, "default": 0.5},
+		5: {"name": "saturation", "cv_prop": cv2.CAP_PROP_SATURATION, "default": 0.5},
+	}
 
-class CvCamera(BaseCamera):
-    """Kamera oparta na cv2.VideoCapture"""
+	def __init__(self) -> None:
+		super().__init__()
+		self.cap = None
+		self.configs: List[dict] = []
+		self.camera_list = []
+		self.camera_index = 0
 
-    config_map = {
-        0: {"name": "frame_width", "cv_prop": cv2.CAP_PROP_FRAME_WIDTH, "default": 640},
-        1: {"name": "frame_height", "cv_prop": cv2.CAP_PROP_FRAME_HEIGHT, "default": 480},
-        2: {"name": "fps", "cv_prop": cv2.CAP_PROP_FPS, "default": 30},
-        3: {"name": "brightness", "cv_prop": cv2.CAP_PROP_BRIGHTNESS, "default": 0.5},
-        4: {"name": "contrast", "cv_prop": cv2.CAP_PROP_CONTRAST, "default": 0.5},
-        5: {"name": "saturation", "cv_prop": cv2.CAP_PROP_SATURATION, "default": 0.5},
-    }
+	@staticmethod
+	def detect():
+		camera_list = enumerate_cameras(cv2.CAP_ANY)
+		result = {}
+		seen_ports = set()
 
-    def __init__(self, device_index: int = 0) -> None:
-        super().__init__()
-        self.device_index = device_index
-        self.cap = None
-        self.configs: List[dict] = []
+		for camera in camera_list:
+			# unikamy duplikatów tego samego /dev/videoX albo tej samej ścieżki na Windows/macOS
+			if camera.path in seen_ports:
+				continue
 
-    def connect(self) -> bool:
-        self.error_msg = None
-        try:
-            self.cap = cv2.VideoCapture(self.device_index)
-            if not self.cap.isOpened():
-                self.error_msg = f"[CV2] Could not open camera {self.device_index}"
-                return False
+			cap = cv2.VideoCapture(camera.index, camera.backend)  # próbujemy otworzyć
+			ret, frame = cap.read()
+			cap.release()
 
-            self.configs.clear()
-            for id, conf in self.config_map.items():
-                value = self.cap.get(conf["cv_prop"])
-                self.configs.append(
-                    {
-                        "id": id,
-                        "name": conf["name"],
-                        "label": conf["name"].capitalize(),
-                        "value": value,
-                        "choices": None,  # brak predefiniowanych wyborów
-                        "cv_prop": conf["cv_prop"],
-                    }
-                )
-            return True
+			if ret and frame is not None and frame.size > 0:
+				result[camera.index] = {
+					"name": camera.name,
+					"port": camera.path,
+					"backend": camera.backend,
+				}
+				seen_ports.add(camera.path)
 
-        except Exception as e:
-            self.error_msg = f"[CV2] {e}"
-            self.cap = None
-            return False
+		return result
 
-    def disconnect(self) -> None:
-        if self.cap:
-            self.cap.release()
-            self.cap = None
-            self.configs.clear()
+	def connect(self, index: int | None = None) -> bool:
+		self.error_msg = None
+		try:
+			if index:
+				self.camera_index = index
 
-    def get_frame(self):
-        self.error_msg = None
-        if self.cap is None or not self.cap.isOpened():
-            self.error_msg = "[CV2] Camera is not initialized."
-            return (False, None)
+			self.cap = cv2.VideoCapture(self.camera_index)
 
-        try:
-            ret, frame = self.cap.read()
-            if not ret:
-                self.error_msg = "[CV2] Failed to read frame."
-                return (False, None)
-            return (True, frame)
-        except Exception as e:
-            self.error_msg = f"[CV2] {e}"
-            return (False, None)
+			if not self.cap.isOpened():
+				self.error_msg = f"[CV2] Could not open camera {self.camera_index}"
+				return False
 
-    def get_config_by_id(self, id: int):
-        return next(w for w in self.configs if w["id"] == id)
+			self.configs.clear()
+			for id, conf in self.config_map.items():
+				value = self.cap.get(conf["cv_prop"])
+				self.configs.append(
+					{
+						"id": id,
+						"name": conf["name"],
+						"label": conf["name"].capitalize(),
+						"value": value,
+						"choices": None,  # brak predefiniowanych wyborów
+						"cv_prop": conf["cv_prop"],
+					}
+				)
+			return True
 
-    def get_config_by_name(self, name: str):
-        return next(w for w in self.configs if w["name"] == name)
+		except Exception as e:
+			self.error_msg = f"[CV2] {e}"
+			self.cap = None
+			return False
 
-    def set_config(self, config, value: float):
-        if not self.cap:
-            return
-        try:
-            self.cap.set(config["cv_prop"], value)
-            config["value"] = self.cap.get(config["cv_prop"])  # sprawdz co ustawiło
-        except Exception as e:
-            self.error_msg = f"[CV2] {e}"
+	def disconnect(self) -> None:
+		if self.cap:
+			self.cap.release()
+			self.cap = None
+			self.configs.clear()
 
-    def set_config_by_id(self, id: int, value: float):
-        config = self.get_config_by_id(id)
-        self.set_config(config, value)
+	def get_frame(self):
+		self.error_msg = None
+		if self.cap is None or not self.cap.isOpened():
+			self.error_msg = "[CV2] Camera is not initialized."
+			return (False, None)
 
-    def set_config_by_name(self, name: str, value: float):
-        config = self.get_config_by_name(name)
-        self.set_config(config, value)
+		try:
+			ret, frame = self.cap.read()
+			if not ret:
+				self.error_msg = "[CV2] Failed to read frame."
+				return (False, None)
+			return (True, frame)
+		except Exception as e:
+			self.error_msg = f"[CV2] {e}"
+			return (False, None)
+
+	def get_config_by_id(self, id: int):
+		return next(w for w in self.configs if w["id"] == id)
+
+	def get_config_by_name(self, name: str):
+		return next(w for w in self.configs if w["name"] == name)
+
+	def set_config(self, config, value: float):
+		if not self.cap:
+			return
+		try:
+			self.cap.set(config["cv_prop"], value)
+			config["value"] = self.cap.get(
+				config["cv_prop"])  # sprawdz co ustawiło
+		except Exception as e:
+			self.error_msg = f"[CV2] {e}"
+
+	def set_config_by_id(self, id: int, value: float):
+		config = self.get_config_by_id(id)
+		self.set_config(config, value)
+
+	def set_config_by_name(self, name: str, value: float):
+		config = self.get_config_by_name(name)
+		self.set_config(config, value)