Update app.py

app.py

@@ -68,12 +68,12 @@ def calculate_resolution(input_width, input_height, min_dimension=480, max_dimen
 def process_video(
     video_path,
     prompt,
-    negative_prompt,
-    num_frames,
-    auto_resize,
-    manual_height,
-    manual_width,
-    guidance_scale,
+    negative_prompt="",
+    num_frames=81,
+    auto_resize=True,
+    manual_height=480,
+    manual_width=832,
+    guidance_scale=5,
     progress=gr.Progress(track_tqdm=True)
 ):
     # Load and preprocess video