app.py

import gradio as gr
from infer import infer_midi_from_wav

def transcribe(wav_path):
    midi_path = infer_midi_from_wav(wav_path)
    return midi_path

demo = gr.Interface(
    fn=transcribe,
    inputs=gr.Audio(type="filepath"),  # ✅ 修正ポイント
    outputs=gr.File(label="Download MIDI"),
    title="Humming to MIDI",
    description="Upload your humming (WAV) to get MIDI output"
)

if __name__ == "__main__":
    demo.launch()