Update app.py

app.py

@@ -5,11 +5,11 @@ from audiocraft.data.audio import audio_write
 
 model = AudioGen.get_pretrained('facebook/audiogen-medium')
 
-def infer(prompt):
+def infer(prompt, duration):
     
-    model.set_generation_params(duration=5)  # generate 5 seconds.
+    model.set_generation_params(duration=duration)  # generate 5 seconds.
     descriptions = [prompt]
-    wav = model.generate(descriptions)  # generates 3 samples.
+    wav = model.generate(descriptions)  # generates n samples (referring to the number n of prompts in descriptions)
 
     for idx, one_wav in enumerate(wav):
         # Will save under {idx}.wav, with loudness normalization at -14 db LUFS.
@@ -17,8 +17,32 @@ def infer(prompt):
 
     return "0.wav"
 
-gr.Interface(
-    fn = infer,
-    inputs = gr.Textbox(),
-    outputs = gr.Audio()
-).launch()
+css="""
+#col-container{
+    margin: 0 auto;
+    max-width: 640px;
+}
+"""
+
+with gr.Blocks(css=css) as demo:
+    with gr.Column():
+        gr.HTML("""
+        <h2 style="text-align: center;">
+            AudioGen: Textually-guided audio generation
+        </h2>
+        <p style="text-align: center;">   
+        </p>
+        """)
+
+        prompt_in = gr.Textbox(label="audio prompt")
+        duration = gr.Slider(label="Duration", minimum=5, maximum=10, step=5, value=5)
+        submit_btn = gr.Button("Submit")
+        audio_o = gr.Audio(label="AudioGen result")
+
+    submit_btn.click(
+        fn=infer,
+        inputs=[prompt_in, duration],
+        outputs=[audio_o]
+    )
+
+demo.queue().launch(debug=True)