recordedCamera.py 文件源码

def start(self):
        now = dt.datetime.now()
        if len(self.path) !=0 and self.path[len(self.path)-1] != '/':
            self.path = self.path + '/'    
        output_name = self.path + str(dt.datetime.date(now))+ '-0.avi'
        video_num = 1
        while os.path.isfile(output_name):
            output_name = self.path +str(dt.datetime.date(now)) + '-'+str(video_num)+'.avi'
            video_num = video_num + 1
        fourcc = cv2.cv.CV_FOURCC(*'XVID')
        self.out = cv2.VideoWriter(output_name,fourcc,self.framerate,(self.width,self.height)) 
        return self