Update app.py

app.py

@@ -57,13 +57,13 @@ def get_meta_from_video(Seg_Tracker, input_video, scale_slider, checkpoint):
     try:
         ffmpeg.input(input_video, hwaccel='cuda').output(
             os.path.join(output_dir, '%07d.jpg'), q=2, start_number=0, 
-            vf=rf'select=not(mod(n\,{frame_interval}))', fps_mode='vfr'
+            vf=rf'select=not(mod(n\,{frame_interval}))', vsync='vfr'
         ).run()
     except:
         print(f"ffmpeg cuda err")
         ffmpeg.input(input_video).output(
             os.path.join(output_dir, '%07d.jpg'), q=2, start_number=0, 
-            vf=rf'select=not(mod(n\,{frame_interval}))', fps_mode='vfr'
+            vf=rf'select=not(mod(n\,{frame_interval}))', vsync='vfr'
         ).run()
 
     first_frame_path = os.path.join(output_dir, '0000000.jpg')