Update app.py

app.py

@@ -1175,6 +1175,59 @@ def main():
         print(f"❌ Server error: {e}")
         raise
 
+def run_demo(
+    model_path: str = "microsoft/VibeVoice-1.5B",
+    device: str = "cuda",
+    inference_steps: int = 30,
+    share: bool = True,
+    ) -> None:
+    """
+    Run the VibeVoice demo without any command-line arguments.
+    - share=True exposes the app publicly via a Gradio share link.
+    - Default Gradio port (7860) is used automatically.
+    - Errors are shown to help with debugging.
+    """
+    set_seed(42)
+
+    print("🎙️ Initializing VibeVoice Demo with Streaming Support...")
+
+    # Initialize demo instance
+    demo_instance = VibeVoiceDemo(
+        model_path=model_path,
+        device=device,
+        inference_steps=inference_steps
+    )
+
+    # Build UI
+    interface = create_demo_interface(demo_instance)
+
+    # Info
+    print("🚀 Launching demo")
+    print(f"📁 Model path: {model_path}")
+    print(f"🎭 Available voices: {len(getattr(demo_instance, 'available_voices', []))}")
+    print(f"🔴 Streaming mode: ENABLED")
+    print(f"🔒 Session isolation: ENABLED")
 
+    # Launch (no server_port specified → default 7860)
+    try:
+        interface.queue(
+            max_size=20,
+            default_concurrency_limit=1
+        ).launch(
+            share=share,
+            server_name="0.0.0.0" if share else "127.0.0.1",
+            show_error=True,     # show full tracebacks (debug-friendly)
+            show_api=False       # cleaner interface
+        )
+    except KeyboardInterrupt:
+        print("\n🛑 Shutting down gracefully...")
+    except Exception as e:
+        print(f"❌ Server error: {e}")
+        raise
+
+
+# Run automatically when this file is executed (no CLI needed)
 if __name__ == "__main__":
-    main()
+    run_demo()
+
+