Update app.py

app.py

@@ -188,7 +188,7 @@ def create_video(image_path, audio_path, output_path):
         "-i", image_path,
         "-i", audio_path,
         "-filter_complex",
-        "[1:a]aformat=channel_layouts=mono,showwaves=s=1200x400:mode=p2p:colors=blue@0.8:scroll=1[w];[0:v][w]overlay=(W-w)/2:(H-h)/2",
+        "[1:a]aformat=channel_layouts=mono,showwaves=s=1200x400:mode=p2p:colors=blue@0.8[w];[0:v][w]overlay=(W-w)/2:(H-h)/2",
         "-c:v", "libx264",
         "-b:v", "2000k",
         "-c:a", "aac",