[Bug]: Vertical Video Workflow Broken

[soundofjw]

Operating System

Linux

Installation Method

uv sync --extra cuda

GPU/Hardware (Optional)

NVIDIA 3060

Steps to Reproduce

1. Record or find video at a vertical resolution.
2. Run the AlphaHint of your choice. Confirm that it comes out sideways.
3. Watch everything else degrade afterwards.

Expected Behavior

I should just be able to use vertical video.

Actual Behavior

My rotated AlphaHint created garbage output.

Relevant Logs or Error Messages

No response

Workaround (if available)

No response

Verification Checklist

• I've verified this bug hasn't been reported before
• I can reproduce this issue consistently
• I've included all relevant logs, screenshots, and error messages
• I've tested with the latest version of the project