import cv2
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import win32com.client
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class CAM_UTIL:
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def __init__(self, cam1_name='USB Camera', cam2_name="PC Camera",):
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self.webcam_list = None
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self.cam1 = cam1_name
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self.cam2 = cam2_name
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self.list_webcams()
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# 获取摄像头列表
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def list_webcams(self):
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# 创建一个WMI客户端实例
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wmi = win32com.client.GetObject("winmgmts:")
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webcams = wmi.InstancesOf("Win32_PnPEntity")
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# 创建摄像头和索引字典
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webcam_dict = {}
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index = 0
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for device in webcams:
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name = getattr(device, 'Name', None)
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pnp_class = getattr(device, 'PNPClass', None)
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if name is not None and self.cam1 in name:
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# 将设备名字和索引添加到字典中
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webcam_dict[self.cam1] = index
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index += 1
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elif name is not None and self.cam2 in name:
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# 将设备名字和索引添加到字典中
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webcam_dict[self.cam2] = index
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index += 1
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self.webcam_list = webcam_dict
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return webcam_dict
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