Update app.py

app.py

@@ -98,7 +98,7 @@ def gradio_app():
         target_input = gr.Textbox(label="Target Object")
         output_video = gr.Video(label="Output Video")
         error_output = gr.Textbox(label="Error Messages", visible=False)
-        sample_video_frame = gr.Image(value=load_sample_frame("Drone Video of African Wildlife Wild Botswan.webm"), label="Sample Video Frame")
+        sample_video_frame = gr.Image(value=load_sample_frame("Drone Video of African Wildlife Wild Botswan.mp4"), label="Sample Video Frame")
         use_sample_button = gr.Button("Use Sample Video")
 
         video_path = gr.State(None)