Update app_gradio.py

app_gradio.py

@@ -156,6 +156,8 @@ def process_video(num_frames, num_seeds, generator, exp_dir, load_name, caption,
     return gifs
 
 def generate_output(image, apply_filter, prompt: str, num_seeds: int = 3, lambda_value: float = 0.5, progress=gr.Progress(track_tqdm=True)) -> List[str]:
+    if prompt is None:
+        raise gr.Error("You forgot to describe the motion !")
     """Main function to generate output GIFs"""
     unique_id = str(uuid.uuid4())
     exp_dir = f"static/app_tmp_{unique_id}"
@@ -177,9 +179,9 @@ def generate_output(image, apply_filter, prompt: str, num_seeds: int = 3, lambda
         bottom = top + min_dim
         image = image.crop((left, top, right, bottom))
 
-    # Step 2: Resize to 512x512 if the image is larger
-    if image.size[0] > 512:  # Image is square at this point
-        image = image.resize((512, 512), Image.LANCZOS)
+    # Step 2: Resize to 256 if the image is larger
+    if image.size[0] > 256:  # Image is square at this point
+        image = image.resize((256, 256), Image.LANCZOS)
 
     image.save(temp_image_path)