122 lines
3.5 KiB
Python
122 lines
3.5 KiB
Python
from PySide6.QtCore import QObject, Signal
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from PySide6.QtGui import QPixmap
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from .camera_controller import CameraController
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from .gphoto_camera import GPhotoCamera
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from .opencv_camera import OpenCvCamera
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from .base_camera import BaseCamera
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class CameraManager(QObject):
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"""
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Zarządza wszystkimi operacjami związanymi z kamerami,
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stanowiąc fasadę dla reszty aplikacji.
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"""
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frame_ready = Signal(QPixmap)
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error_occurred = Signal(str)
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cameras_detected = Signal(list)
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camera_started = Signal()
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camera_stopped = Signal()
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def __init__(self, parent: QObject | None = None) -> None:
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super().__init__(parent)
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self._camera_controller = CameraController()
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self._detected_cameras: list[dict] = []
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self._active_camera: BaseCamera | None = None
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self._active_camera_info: dict | None = None
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# Przekazywanie sygnałów z kontrolera kamery na zewnątrz
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self._camera_controller.frame_ready.connect(self.frame_ready)
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self._camera_controller.error_occurred.connect(self.error_occurred)
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self._camera_controller.camera_ready.connect(self.start_liveview)
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def detect_cameras(self) -> None:
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"""Wykrywa wszystkie dostępne kamery (GPhoto i OpenCV)."""
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self._detected_cameras.clear()
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# Wykryj kamery GPhoto
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try:
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gphoto_cameras = GPhotoCamera.detect()
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for index, info in gphoto_cameras.items():
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self._detected_cameras.append({
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"id": f"gphoto_{index}",
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"name": f"{info['name']} ({info['port']})",
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"type": "gphoto",
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"index": index
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})
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except Exception as e:
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self.error_occurred.emit(
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f"Błąd podczas wykrywania kamer GPhoto: {e}")
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# Wykryj kamery OpenCV
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try:
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opencv_cameras = OpenCvCamera.detect()
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for index, info in opencv_cameras.items():
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self._detected_cameras.append({
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"id": f"opencv_{index}",
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"name": f"OpenCV: {info['name']}",
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"type": "opencv",
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"index": index
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})
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except Exception as e:
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self.error_occurred.emit(
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f"Błąd podczas wykrywania kamer OpenCV: {e}")
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self.cameras_detected.emit(self._detected_cameras)
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def get_detected_cameras(self) -> list[dict]:
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return self._detected_cameras
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def start_camera(self, camera_id: str, fps: int = 15) -> None:
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"""Uruchamia wybraną kamerę."""
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if self._active_camera:
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self.stop_camera()
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camera_info = next(
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(c for c in self._detected_cameras if c['id'] == camera_id), None)
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if not camera_info:
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self.error_occurred.emit(
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f"Nie znaleziono kamery o ID: {camera_id}")
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return
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camera_type = camera_info['type']
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camera_index = camera_info['index']
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if camera_type == "gphoto":
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self._active_camera = GPhotoCamera()
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elif camera_type == "opencv":
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self._active_camera = OpenCvCamera()
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else:
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self.error_occurred.emit(f"Nieznany typ kamery: {camera_type}")
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return
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self._active_camera_info = camera_info
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self._camera_controller.set_camera(self._active_camera, fps)
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self._camera_controller.start_camera()
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def start_liveview(self, connected):
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if connected:
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self._camera_controller.start_stream()
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self.camera_started.emit()
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else:
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self._active_camera = None
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self._active_camera_info = None
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def stop_camera(self) -> None:
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"""Zatrzymuje aktywną kamerę."""
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if self._active_camera:
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self._camera_controller.stop_camera()
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self._active_camera = None
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self._active_camera_info = None
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self.camera_stopped.emit()
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def get_active_camera_info(self) -> dict | None:
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return self._active_camera_info
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def shutdown(self) -> None:
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"""Zamyka kontroler kamery i jego wątek."""
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self.stop_camera()
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self._camera_controller.stop()
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