Update app.py

app.py

@@ -244,6 +244,9 @@ def generate_audio(text, cond_loudness, cond_pitch, cond_events):
 # -----------------------------
 blue_theme = gr.themes.Soft(primary_hue="blue", secondary_hue="sky", neutral_hue="slate")
 
+# Generate initial random example for page load
+initial_caption, initial_events = generate_random_example()
+
 CAPTION_PLACEHOLDER = 'Water flows and dishes clatter with child speech and laughter.'
 
 EVENTS_PLACEHOLDER = '''
@@ -273,13 +276,14 @@ with gr.Blocks(theme=blue_theme, title="Audio ControlNet – Text to Audio") as
                 label="Text Prompt",
                 placeholder=CAPTION_PLACEHOLDER,
                 lines=4,
+                value=initial_caption,
             )
 
             with gr.Tabs() as tabs:
                 with gr.Tab("Sound Events") as tab_events:
                     with gr.Row():
                         with gr.Column(scale=1):
-                            sound_events = gr.Textbox(label="Sound Events (JSON)", placeholder=EVENTS_PLACEHOLDER, lines=8)
+                            sound_events = gr.Textbox(label="Sound Events (JSON)", placeholder=EVENTS_PLACEHOLDER, lines=8, value=initial_events)
                             random_example_btn = gr.Button("🎲 Random Example", variant="primary", size="sm")
                         with gr.Column(scale=1):
                             events_plot = gr.Plot(label="Sound Events Roll", elem_classes="plot-small")
@@ -307,6 +311,9 @@ with gr.Blocks(theme=blue_theme, title="Audio ControlNet – Text to Audio") as
     pitch_audio.change(fn=extract_pitch, inputs=pitch_audio, outputs=pitch_plot)
     sound_events.change(fn=visualize_events, inputs=sound_events, outputs=events_plot)
     
+    # Initialize events plot with the initial random example
+    demo.load(fn=lambda: visualize_events(initial_events), inputs=[], outputs=events_plot)
+    
     # Random example button event
     random_example_btn.click(
         fn=generate_random_example,