Update app.py

app.py

@@ -101,7 +101,7 @@ def create_video_from_image(image_url, output_path, duration=10):
     cmd = [
         'ffmpeg', '-loop', '1', '-i', temp_image_path,
         '-c:v', 'libx264', '-t', str(duration), '-pix_fmt', 'yuv420p',
-        '-vf',
+        '-vf', 'scale=trunc(iw/2)*2:trunc(ih/2)*2',
         '-y', output_path
     ]
     subprocess.run(cmd, check=True)