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I get a parameter gender from my client application and using that value (male/female/None) I would like to change the video shown on the display. I have written an if-else loop. But the issue is that there is a lot of delay in switching the video when the gender changes. Is there a more elegant solution? I would appreciate your thoughts. Thanks.

I have tried this code (server side)

def getData(self):
    dst = None

    if self.myHandler.items is not None:
        if len(self.myHandler.items.decode('utf-8')) != 0:
            # dst = self.myHandler.items.decode('utf-8')
            output = self.myHandler.items.decode('utf-8')
            dst = json.loads(output) 
            if dst["gender"] == "F":
                cap = cv2.VideoCapture('No.1/women.mp4')
                if (cap.isOpened()== False):
                    print("Error opening video stream or file")
                while(cap.isOpened()):
                    ret, frame = cap.read()
                    if ret == True:
                        cv2.imshow('Frame',frame)

                        if cv2.waitKey(30) & 0xFF == ord('q'):
                            break                    
                    else: 
                        break        
                cap.release()
                cv2.destroyAllWindows()

            elif dst["gender"] == "M":                  
                cap = cv2.VideoCapture('No.1/men.mp4')                 
                if (cap.isOpened()== False): 
                    print("Error opening video stream or file")
                while(cap.isOpened()):
                    ret, frame = cap.read()
                    if ret == True:
                        cv2.imshow('Frame',frame)
                        if cv2.waitKey(30) & 0xFF == ord('q'):
                            break
                    else: 
                        break
                cap.release()
                cv2.destroyAllWindows()

            elif dst["gender"] == None :
                cap = cv2.VideoCapture('No.1/normal.mov')                 
                if (cap.isOpened()== False): 
                    print("Error opening video stream or file")
                while(cap.isOpened()):
                    ret, frame = cap.read()
                    if ret == True:
                        cv2.imshow('Frame',frame)
                        if cv2.waitKey(30) & 0xFF == ord('q'):
                            break
                    else: 
                        break
                cap.release()
                cv2.destroyAllWindows()