Update app.py

app.py

@@ -850,6 +850,38 @@ with gr.Blocks(css="""
             title="Export Stems + Final Mix Together",
             description="Perfect for sharing with producers or archiving"
         )
+# Add this at the bottom of your app.py (or in a dedicated section)
+
+def huggingface_predict_interface(audio_url, effects, isolate, preset, fmt):
+    # Save base64 audio to file
+    import base64, tempfile
+    header, encoded = audio_url.split(",", 1)
+    audio_binary = base64.b64decode(encoded)
+    with tempfile.NamedTemporaryFile(delete=False, suffix=".mp3") as f:
+        f.write(audio_binary)
+        audio_path = f.name
+
+    # Run your existing process_audio function
+    output_path, _, _, _, _, _ = process_audio(audio_path, effects, isolate, preset, fmt)
+    
+    # Return base64 string back
+    with open(output_path, "rb") as f:
+        encoded_out = base64.b64encode(f.read()).decode("utf-8")
+    return f"data:audio/{fmt.lower()};base64,{encoded_out}"
+
+# Define Gradio interface for API
+gr.Interface(
+    fn=huggingface_predict_interface,
+    inputs=[
+        gr.Text(label="Audio Data URL"),  # base64 string
+        gr.Textbox(label="Effects JSON List"),  # or gr.List if calling internally
+        gr.Checkbox(label="Isolate Vocals"),
+        gr.Textbox(label="Preset Name"),
+        gr.Textbox(label="Export Format")
+    ],
+    outputs=gr.Text(label="Processed Audio URL"),
+    allow_flagging="never"
+).launch()
 
 # Launch Gradio App
 demo.launch()