code: def get_valid_ffmpeg_path(
      custom_ffmpeg="",
      is_windows=False,
      ffmpeg_download_path="",
      logging=False,
  ):
      """
      ## get_valid_ffmpeg_path
  
      Validate the given FFmpeg path/binaries, and returns a valid FFmpeg executable path.
  
      Parameters:
          custom_ffmpeg (string): path to custom FFmpeg executables
          is_windows (boolean): is running on Windows OS?
          ffmpeg_download_path (string): FFmpeg static binaries download location _(Windows only)_
          logging (bool): enables logging for its operations
  
      **Returns:** A valid FFmpeg executable path string.
      """
      final_path = ""
      if is_windows:
          # checks if current os is windows
          if custom_ffmpeg:
              # if custom FFmpeg path is given assign to local variable
              final_path += custom_ffmpeg
          else:
              # otherwise auto-download them
              try:
                  if not (ffmpeg_download_path):
                      # otherwise save to Temp Directory
                      import tempfile
  
                      ffmpeg_download_path = tempfile.gettempdir()
  
                  logging and logger.debug(
                      "FFmpeg Windows Download Path: {}".format(
                          ffmpeg_download_path
                      )
                  )
  
                  # download Binaries
                  os_bit = (
                      (
                          "win64"
                          if platform.machine().endswith("64")
                          else "win32"
                      )
                      if is_windows
                      else ""
                  )
                  _path = download_ffmpeg_binaries(
                      path=ffmpeg_download_path,
                      os_windows=is_windows,
                      os_bit=os_bit,
                  )
                  # assign to local variable
                  final_path += _path
  
              except Exception as e:
                  # log if any error occurred
                  logger.exception(str(e))
                  logger.error(
                      "Error in downloading FFmpeg binaries, Check your network and Try again!"
                  )
                  return False
  
          if os.path.isfile(final_path):
              # check if valid FFmpeg file exist
              pass
          elif os.path.isfile(os.path.join(final_path, "ffmpeg.exe")):
              # check if FFmpeg directory exists, if does, then check for valid file
              final_path = os.path.join(final_path, "ffmpeg.exe")
          else:
              # else return False
              logging and logger.debug(
                  "No valid FFmpeg executables found at Custom FFmpeg path!"
              )
              return False
      else:
          # otherwise perform test for Unix
          if custom_ffmpeg:
              # if custom FFmpeg path is given assign to local variable
              if os.path.isfile(custom_ffmpeg):
                  # check if valid FFmpeg file exist
                  final_path += custom_ffmpeg
              elif os.path.isfile(
                  os.path.join(custom_ffmpeg, "ffmpeg")
              ):
                  # check if FFmpeg directory exists, if does, then check for valid file
                  final_path = os.path.join(custom_ffmpeg, "ffmpeg")
              else:
                  # else return False
                  logging and logger.debug(
                      "No valid FFmpeg executables found at Custom FFmpeg path!"
                  )
                  return False
          else:
              # otherwise assign ffmpeg binaries from system
              final_path += "ffmpeg"
  
      logging and logger.debug(
          "Final FFmpeg Path: {}".format(final_path)
      )
  
      # Final Auto-Validation for FFmeg Binaries. returns final path if test is passed
      return (
          final_path
          if validate_ffmpeg(final_path, logging=logging)
          else False
      )
  
imports: import os
  import re
  import sys
  import cv2
  import types
  import errno
  import stat
  import shutil
  import importlib
  import requests
  import numpy
  import logging
  import platform
  import socket
  from tqdm import tqdm
  from contextlib import closing
  from pathlib import Path
  from colorlog import ColoredFormatter
  from pkg_resources import parse_version
  from requests.adapters import HTTPAdapter, Retry
  from ..version import __version__
label_desc: Use image node_id 28 for calling a global function with example usage: get_valid_ffmpeg_path(custom_ffmpeg, is_windows, ffmpeg_download_path, logging) and returns: unknown, False, False, False