파이썬 실시간 영상 스트리밍 관련 질문입니다!

코드는 이렇게 되어있습니다!

1class Camera:
2    def __init__(self, source, PT_PATH):
3        self.capture = cv2.VideoCapture(source)
4        if not PT_PATH == "original":
5            self.model = load_model(PT_PATH)
6        else:
7            self.model = "original"
8        self.streaming_state = False
9        self.frame_queue = queue.Queue()
10        self.thread = threading.Thread(target=self.read_frames, args=())
11
12    def start(self):
13        self.streaming_state = True
14        self.thread.start()
15
16    def stop(self):
17        self.streaming_state = False
18        while not self.frame_queue.empty():
19            try:
20                self.frame_queue.get_nowait()
21            except queue.Empty:
22                break
23        self.capture.release()
24        print("메모리에서 해제된 후 상태 : ",self.capture.isOpened())
25
26
27    def read_frames(self):
28        while self.streaming_state:
29            # print("capture 상태 : ",self.capture.isOpened())
30            success, capture_img = self.capture.read()
31            if not success:
32                print("더이상 읽어올 Frame이 존재하지 않습니다.")
33                break
34            
35            if not self.model == "original":
36                pre_process_image, model_to_device = preprocess_frame(capture_img=capture_img, model=self.model)
37                post_process_image = postprocess_frame(pre_process_image, capture_img, model_to_device)
38                self.frame_queue.put((b'--frame\r\n'
39                        b'Content-Type: image/jpeg\r\n\r\n' + post_process_image + b'\r\n'))
40            else:
41                capture_img = httpProcessing(capture_img=capture_img)
42                self.frame_queue.put((b'--frame\r\n'
43                        b'Content-Type: image/jpeg\r\n\r\n' + capture_img + b'\r\n'))
44
45    
46    def get_frame(self):
47        while True:
48            if self.frame_queue.empty():
49                continue
50            yield self.frame_queue.get()