code: def get_num_samples(pcm_buffer_size, audio_format=DEFAULT_FORMAT):
      return pcm_buffer_size // (
          audio_format.channels * audio_format.width
      )
  
imports: import collections
  import ctypes
  import io
  import math
  import numpy
  import os
  import pyogg
  import tempfile
  import wave
  from .helpers import LimitingPool
  from collections import namedtuple
  from .io import open_remote, remove_remote, copy_remote, is_remote_path
label_desc: Use image node_id 5 for calling a global function with example usage: get_num_samples(pcm_buffer_size, audio_format) and returns: unknown