class_CameraMntr.py 文件源码

def connect_camera(self, arg_camera_id):
        if (self.connect):
            self.cap.release()
            print 'RELEASE...'
        self.camera_id= arg_camera_id
        print '>>> Cam ID ',self.camera_id
        self.cap= cv2.VideoCapture(self.camera_id)
        print 'cap.isOpened:', self.cap.isOpened()
        if not (self.cap.isOpened()):
            for tmp_id in self.__camera_idMatrix:
                try:
                    self.cap= cv2.VideoCapture(tmp_id)
                    print 'Cam ID ',tmp_id,': connected successfully!'
                    self.connect= True
                    self.camera_id= tmp_id
                    break
                except:
                    print 'Cam ID ',tmp_id,': connection Refused!'
                    self.connect= False
            if not(self.connect):
                tkMessageBox.showerror("Error","Connection of Camera refused!")
        else:
            self.connect= True