code: def ffmpeg_run(
      args: List[str],
      stdin: Optional[bytes] = None,
      timeout: Optional[int] = None,
  ) -> bytes:
      """Executes the ffmpeg function.
  
      Args:
        args: A list of string args and flags to send to the ffmpeg binary.
        stdin: Bytes to provide as standard input, or None.
        timeout: Maximum amount of seconds to wait for, before interrupting the
          command. None to wait forever.
  
      Returns:
        The stdout output.
      """
      ffmpeg_path = "ffmpeg"
      try:
          cmd_args = [ffmpeg_path] + args
          return subprocess.run(
              cmd_args,
              check=True,
              input=stdin,
              stdout=subprocess.PIPE,
              stderr=subprocess.PIPE,
              timeout=timeout,
          ).stdout
      except subprocess.CalledProcessError as e:
          raise ValueError(
              f"Command {e.cmd} returned error code {e.returncode}:\n"
              f'stdout={e.stdout.decode("utf-8")}\n'
              f'stderr={e.stderr.decode("utf-8")}\n'
          ) from e
      except FileNotFoundError as e:
          raise FileNotFoundError(
              "It seems that ffmpeg is not installed on the system. Please follow "
              "the instrutions at https://ffmpeg.org/. "
              f"Original exception: {e}"
          ) from e
  
imports: from __future__ import annotations
  import csv
  import subprocess
  from typing import Any, List, Optional
  import numpy
  from tensorflow_datasets.core import lazy_imports_lib
  from tensorflow_datasets.core.utils import py_utils
  from tensorflow_datasets.core.utils import resource_utils
  from tensorflow_datasets.core.utils import tf_utils
  from tensorflow_datasets.core.utils.lazy_imports_utils import tensorflow
label_desc: Use image node_id 5 for calling a global function with example usage: ffmpeg_run(args, stdin, timeout) and returns: subprocess