refactor: update model path handling and dependencies

app.py

@@ -2,14 +2,13 @@
 VibeVoice Gradio Demo - High-Quality Dialogue Generation Interface with Streaming Support
 """
 
-import argparse, os
-import tempfile
+import argparse, os, tempfile
 import torch
 import gradio as gr
 
 from transformers.utils import logging
 from transformers import set_seed
-from huggingface_hub import snapshot_download
+from cached_path import cached_path
 from model import VibeVoiceDemo
 
 logging.set_verbosity_info()
@@ -17,8 +16,9 @@ logger = logging.get_logger(__name__)
 
 
 
-
-snapshot_download(repo_id="microsoft/VibeVoice-1.5B", local_dir="./ckpts/vibevoice")
+model_local_dir= str(cached_path("hf://microsoft/VibeVoice-1.5B"))
+#model_local_dir= "./ckpts/vibevoice"
+#snapshot_download(repo_id="microsoft/VibeVoice-1.5B", local_dir=model_local_dir)
 
 def create_demo_interface(demo_instance: VibeVoiceDemo):
     """Create the Gradio interface with streaming support."""
@@ -395,7 +395,7 @@ def parse_args():
     parser.add_argument(
         "--model_path",
         type=str,
-        default="./ckpts/vibevoice",
+        default=model_local_dir,
         help="Path to the VibeVoice model directory",
     )
     parser.add_argument(

requirements.txt

@@ -1,3 +1,3 @@
 git+https://github.com/vibevoice-community/VibeVoice
 soundfile
-huggingface_hub
+cached_path