added default negative prompt

app.py

@@ -54,9 +54,11 @@ def convert_mp4_to_frames(video_path, duration=3):
 
 def infer(prompt, video_in, denoise_strength):
 
+    negative_prompt = "text, watermark, copyright, blurry, nsfw"
+
     video = convert_mp4_to_frames(video_in, duration=3)
     video_resized = [Image.fromarray(frame).resize((1024, 576)) for frame in video]
-    video_frames = pipe_xl(prompt, video=video_resized, strength=denoise_strength).frames
+    video_frames = pipe_xl(prompt, negative_prompt=negative_prompt, video=video_resized, strength=denoise_strength).frames
     video_path = export_to_video(video_frames, output_video_path="xl_result.mp4")
     
     return "xl_result.mp4", gr.Group.update(visible=True)