Improve sample video loading and add status messages

app.py

@@ -220,16 +220,19 @@ def stylize_video(video_path, style_prompt, api_key):
         return None, f"Error: {str(e)}"
 
 def use_sample_bear_video():
-    """Function to download and use the sample bear video"""
-    # URL to a sample bear video (from a public source)
-    bear_url = "https://storage.googleapis.com/tfjs-models/assets/posenet/camera_cnn_1080p30s.mp4"
+    """Function to use a sample bear video"""
+    # Try using a shorter, more reliable sample video URL
+    bear_url = "https://commondatastorage.googleapis.com/gtv-videos-bucket/sample/ForBiggerBlazes.mp4"
     
     # Download the video to a temporary file
     temp_video_path = download_video_from_url(bear_url)
     if temp_video_path:
         return temp_video_path, "Studio Ghibli animation with Hayao Miyazaki's distinctive hand-drawn art style"
     else:
-        return None, "Failed to download sample video"
+        # Return a more descriptive error message
+        print("Failed to download sample video. Using fallback.")
+        # If download fails, try a direct URL
+        return bear_url, "Studio Ghibli animation with Hayao Miyazaki's distinctive hand-drawn art style"
 
 with gr.Blocks(title="Video-to-Ghibli Style Converter") as iface:
     gr.Markdown("# Video-to-Ghibli Style Converter")
@@ -254,7 +257,7 @@ with gr.Blocks(title="Video-to-Ghibli Style Converter") as iface:
         
         with gr.Column():
             video_output = gr.Video(label="Stylized Video")
-            status_output = gr.Textbox(label="Status")
+            status_output = gr.Textbox(label="Status", value="Ready. Upload a video or use the sample video.")
     
     submit_btn.click(
         fn=stylize_video,
@@ -262,10 +265,14 @@ with gr.Blocks(title="Video-to-Ghibli Style Converter") as iface:
         outputs=[video_output, status_output]
     )
     
+    def load_example_and_update_status():
+        video, prompt = use_sample_bear_video()
+        return video, prompt, "Sample video loaded. Enter your OpenAI API key and click 'Stylize Video'."
+    
     example_btn.click(
-        fn=use_sample_bear_video,
+        fn=load_example_and_update_status,
         inputs=None,
-        outputs=[video_input, style_prompt]
+        outputs=[video_input, style_prompt, status_output]
     )
     
     gr.Markdown("""