Update app.py

app.py

@@ -375,13 +375,16 @@ def main():
             # Display video info
             st.success(f"✅ Video uploaded: {uploaded_video.name}")
             
+            # Read video data once and store it
+            video_bytes = uploaded_video.read()
+            
             # Save uploaded video
             with tempfile.NamedTemporaryFile(delete=False, suffix='.mp4') as tmp_file:
-                tmp_file.write(uploaded_video.read())
+                tmp_file.write(video_bytes)
                 video_path = tmp_file.name
             
-            # Show video preview
-            st.video(uploaded_video)
+            # Show video preview using the bytes
+            st.video(video_bytes)
     
     with col2:
         st.markdown("### 🖼️ Background Image")