Update app.py

app.py

@@ -34,8 +34,9 @@ def get_video_dimension(filepath):
     width = int(video.get(cv2.CAP_PROP_FRAME_WIDTH))
     height = int(video.get(cv2.CAP_PROP_FRAME_HEIGHT))
     fps = int(video.get(cv2.CAP_PROP_FPS))
+    frame_count = int(video.get(cv2.CAP_PROP_FRAME_COUNT))
     video.release()
-    return width, height, fps
+    return width, height, fps, frame_count
 
 def adjust_to_multiple_of_12(number):
     remainder = number % 12