Update app.py

app.py

@@ -40,7 +40,10 @@ SUBSAMPLE = 2
 def stream_object_detection(video, conf_threshold):
     cap = cv2.VideoCapture(video)
 
+    fps = int(cap.get(cv2.CAP_PROP_FPS))
+
     iterating = True
+    desired_fps = fps // SUBSAMPLE
     batch = []
     width  = int(cap.get(cv2.CAP_PROP_FRAME_WIDTH)) // 2
     height = int(cap.get(cv2.CAP_PROP_FRAME_HEIGHT)) // 2
@@ -123,4 +126,4 @@ with gr.Blocks() as app:
                 inputs=[video])
 
 if __name__ == '__main__':
-    app.launch()
+    app.launch()