save uploaded video into a temp file

app.py

@@ -5,6 +5,7 @@ from PIL import Image
 import pandas as pd
 import numpy as np
 import cv2
+import tempfile
 
 
 
@@ -121,8 +122,13 @@ if file_name is not None:
             st.pyplot(pie_fig)  # Display the pie chart
 
     elif file_name.type.startswith('video'):
+        # Save the uploaded video to a temporary file
+        with tempfile.NamedTemporaryFile(delete=False) as temp_video_file:
+            temp_video_file.write(file_name.read())
+            temp_video_path = temp_video_file.name
+
         # Process video
-        video = cv2.VideoCapture(file_name)
+        video = cv2.VideoCapture(temp_video_path)
         frame_count = int(video.get(cv2.CAP_PROP_FRAME_COUNT))
         frame_rate = int(video.get(cv2.CAP_PROP_FPS))
         frame_interval = frame_rate  # Process one frame per second