feat: use app from demucs

app.py

@@ -1,9 +1,28 @@
+import os
 import gradio as gr
+from scipy.io.wavfile import write
 
 
-def greet(name):
-    return "Hello " + name + "!!"
+def inference(audio):
+    os.makedirs("out", exist_ok=True)
+    write('test.wav', audio[0], audio[1])
+    os.system("danna_sep --outdir out test.wav")
+    return "./out/test_vocals.wav", "./out/test_bass.wav",\
+        "./out/test_drums.wav", "./out/test_other.wav"
 
 
-iface = gr.Interface(fn=greet, inputs="text", outputs="text")
-iface.launch()
+title = "Danna-Sep"
+description = "Gradio demo for Danna-Sep: Unite to separate them all. To use it, simply upload your audio, or click one of the examples to load them. Read more at the links below."
+article = "<p style='text-align: center'><a href='https://arxiv.org/abs/2112.03752' target='_blank'>Danna-Sep: Unite to separate them all</a> | <a href='https://github.com/yoyololicon/danna-sep' target='_blank'>Github Repo</a></p>"
+
+examples = []
+gr.Interface(
+    inference,
+    gr.inputs.Audio(type="numpy", label="Input"),
+    [gr.outputs.Audio(type="file", label="Vocals"), gr.outputs.Audio(type="file", label="Bass"), gr.outputs.Audio(
+        type="file", label="Drums"), gr.outputs.Audio(type="file", label="Other")],
+    title=title,
+    description=description,
+    article=article,
+    examples=examples
+).launch(enable_queue=True)