code: def cut_video(
      video_path, frameToStart, frametoStop, saved_video_path
  ):
      cap = cv2.VideoCapture(video_path)
      FPS = cap.get(cv2.CAP_PROP_FPS)
  
      TOTAL_FRAME = int(cap.get(cv2.CAP_PROP_FRAME_COUNT))  # 获取视频总帧数
  
      size = (
          cap.get(cv2.CAP_PROP_FRAME_WIDTH),
          cap.get(cv2.CAP_PROP_FRAME_HEIGHT),
      )
  
      videoWriter = cv2.VideoWriter(
          saved_video_path,
          apiPreference=0,
          fourcc=cv2.VideoWriter_fourcc(*"mp4v"),
          fps=FPS,
          frameSize=(int(size[0]), int(size[1])),
      )
  
      COUNT = 0
      while True:
          success, frame = cap.read()
          if success:
              COUNT += 1
              if COUNT <= frametoStop and COUNT > frameToStart:  # 选取起始帧
                  videoWriter.write(frame)
          else:
              print("cap.read failed!")
              break
          if COUNT > frametoStop:
              break
  
      cap.release()
      videoWriter.release()
  
      print(saved_video_path)
  
label_desc: Use image node_id 1 for calling a global function with example usage: cut_video(video_path, frameToStart, frametoStop, saved_video_path) without return types