Update app.py

app.py

@@ -268,10 +268,10 @@ def extract_features_gpu(clip_chunk, sync_chunk, caption):
     info = {}
     with torch.no_grad():
 
-        model.t5_model.to('cuda')
+        model.t5.to('cuda')
         text_features = model.encode_t5_text([caption])
         info['text_features'] = text_features[0].cpu()
-        model.t5_model.to('cpu')
+        model.t5.to('cpu')
 
 
         model.synchformer.to('cuda')
@@ -381,7 +381,7 @@ def generate_audio_core(video_file, caption):
         return "❌ Please upload a video file first.", None
         
     if not caption or caption.strip() == "":
-        caption=" "
+        caption="generate"
 
     caption = caption.strip()
     logs    = []