take every second frame

app.py

@@ -78,10 +78,12 @@ def process_video(
  remove_files_older_than(RESULTS, 30)
 
  video_info = sv.VideoInfo.from_video_path(input_video)
+ video_info.fps = video_info.fps // 2
  total = calculate_end_frame_index(input_video)
  frame_generator = sv.get_video_frames_generator(
  source_path=input_video,
- end=total
+ end=total,
+ stride=2
  )
  result_file_name = generate_file_name(extension="mp4")
  result_file_path = os.path.join(RESULTS, result_file_name)