handle original fps

app.py

@@ -228,7 +228,8 @@ def infer_auto(project_name, video_in, subject_to_remove):
       f"inference_propainter.py",
       f"--video={video_frames_folder}",
       f"--mask={masks_folder}",
-      f"--output={output_folder}"
+      f"--output={output_folder}",
+      f"--save_fps={video_frames[1]}"
     ]
 
     execute_command(command)