no scenes detected on short 15 second video

[BBBmau]

logging here for myself as i imagine there's a way to adjust the window length of how many frames is within a scene. getting the following on a short 20 second video

󰀵 mau  …/AutoCrop-Vertical   main   v3.12.2   22:34   python3 main.py -i VIDEO.mp4 -o vertical.mp4 --frame-skip 0


📄 Input: VIDEO.mp4
   1920x1080 | 30.0 fps | h264 | aac | 15s | 3.3 MB
   ~450 frames to process
   Ratio: 9:16 | Quality: balanced | Encoder: libx264 (-crf 23 -preset fast)

🎬 Step 1: Detecting scenes...
VideoManager is deprecated and will be removed.
  Detected: 0 | Progress: 100%|███████████████████████████| 450/450 [00:00<00:00, 669.51frames/s]
❌ No scenes were detected. Aborting.