外部函数名称 : camera_module.py
import cv2
class CameraModule:
def __init__(self):
self.camera = None
self.camera_index = 0
def get_camera_list(self):
camera_list = []
for i in range(10): # Check up to 10 possible camera devices
cap = cv2.VideoCapture(i)
if cap.isOpened():
camera_name = f"Camera {i}"
camera_list.append(camera_name)
cap.release()
return camera_list
def start_camera(self, index):
if self.camera is None:
self.camera = cv2.VideoCapture(index)
if self.camera.isOpened():
return True
return False
def stop_camera(self):
if self.camera is not None and self.camera.isOpened():
self.camera.release()
self.camera = None
return True
return False主函数引用包
头文件加入
from camera_module import CameraModule # Import the CameraModule
调用class内的函数
self.stop_button.clicked.connect(self.stop_camera)
# Create an instance of CameraModule self.camera_module = CameraModule()
self.camera_module.stop_camera() # Ensure the camera is stopped before changing self.camera_module.camera_index = index