test: limit framerate

src/app.py

@@ -5,6 +5,7 @@ from utils import start_html_stream
 import cv2
 import gc
 import queue
+import time
 
 app = Flask(__name__)
 PORT = 7860
@@ -20,9 +21,15 @@ def start_flask():
 
 def process_stream():
     video_file = "videos/classroom.mp4"
+
     cap = cv2.VideoCapture(video_file)
+    framerate = cap.get(cv2.CAP_PROP_FPS)
     cap.release()
+
     stream = CamGear(source=video_file).start()
+    FRAME_INTERVAL = 1 / framerate
+
+    next_frame_time = time.time()
     while True:
         frame = stream.read()
         if frame is None:
@@ -39,6 +46,10 @@ def process_stream():
         del frame
         gc.collect()
 
+        next_frame_time += FRAME_INTERVAL
+        while time.time() < next_frame_time:
+            pass  # Busy-wait until it's time for the next frame
+
 def main():
     flask_thread = threading.Thread(target=start_flask)
     flask_thread.daemon = True