Update app.py

app.py

@@ -1,22 +1,27 @@
 import gradio as gr
 import os
+from pathlib import Path
 
 os.system("midi_ddsp_download_model_weights")
 
+def inference(audio):
+  os.system("midi_ddsp_synthesize --midi_path "+audio.name)
+  return Path(audio.name).stem+"/0_violin.wav"
+  
+title = "Midi-DDSP"
+description = "Gradio demo for MIDI-DDSP: Detailed Control of Musical Performance via Hierarchical Modeling. Duplicated from: https://huggingface.co/spaces/akhaliq/midi-ddsp"
 
-def greet(name):
-    """
-    :param name: file
-    """
-    ret = name.name
-    return ret
+article = "<p style='text-align: center'><a href='https://arxiv.org/abs/2112.09312' target='_blank'>MIDI-DDSP: Detailed Control of Musical Performance via Hierarchical Modeling</a> | <a href='https://github.com/magenta/midi-ddsp' target='_blank'>Github Repo</a></p>"
 
-demo = gr.Interface(
-    greet,
-    gr.File(file_types=[".mid", ".midi"]),
-    "file",
-    examples=['ode_to_joy.mid']
-)
-    
-if __name__ == "__main__":
-    demo.launch() 
+examples=[['input.mid']]
+
+gr.Interface(
+    inference, 
+    gr.inputs.File(type="file", label="Input"), 
+    [gr.outputs.Audio(type="file", label="Output")],
+    title=title,
+    description=description,
+    article=article,
+    examples=examples,
+    enable_queue=True
+    ).launch(debug=True)