code: def cut_video(
      in_file,
      out_file,
      start=None,
      end=None,
      vcodec=None,
      acodec=None,
      log_level="info",
      print_cmd=False,
  ):
      """Cut a clip from a video.
  
      Args:
          in_file (str): Input video filename.
          out_file (str): Output video filename.
          start (None or float): Start time (in seconds).
          end (None or float): End time (in seconds).
          vcodec (None or str): Output video codec, None for unchanged.
          acodec (None or str): Output audio codec, None for unchanged.
          log_level (str): Logging level of ffmpeg.
          print_cmd (bool): Whether to print the final ffmpeg command.
      """
      options = {"log_level": log_level}
      if vcodec is None:
          options["vcodec"] = "copy"
      if acodec is None:
          options["acodec"] = "copy"
      if start:
          options["ss"] = start
      else:
          start = 0
      if end:
          options["t"] = end - start
      convert_video(in_file, out_file, print_cmd, **options)
  
file_path: lavis/lavis/common/annotator/uniformer/mmcv/video/processing.py
imports: import os
  import os.path
  import subprocess
  import tempfile
  from annotator.uniformer.mmcv.utils import requires_executable
label_desc: Use image node_id 3 for calling a global function with example usage: cut_video(in_file, out_file, start, end, vcodec, acodec, log_level, print_cmd) without return types