Update utils/utils.py

utils/utils.py

@@ -971,28 +971,22 @@ def save_image(image: Image.Image,
 # DEFAULT INSTANCES
 # ============================================================================
 
-_default_file_manager = None
-
-def get_file_manager(base_dir: Optional[str] = None) -> FileManager:
-    """Get or create the default FileManager instance"""
-    global _default_file_manager
-    if _default_file_manager is None or base_dir is not None:
-        _default_file_manager = FileManager(base_dir)
-    return _default_file_manager
-
-def validate_video_file(file_path: str) -> bool:
+def validate_video_file(file_path: str) -> tuple:
     """Validate if file is a valid video file."""
     import os
     import cv2
     
     if not os.path.exists(file_path):
-        return False
+        return False, f"File not found: {file_path}"
     
     try:
         cap = cv2.VideoCapture(file_path)
         ret = cap.isOpened()
         cap.release()
-        return ret
-    except:
-        return False
+        if ret:
+            return True, "Video file is valid"
+        else:
+            return False, "Unable to open video file - may be corrupted"
+    except Exception as e:
+        return False, f"Error validating video: {str(e)}"