code: def check_meta_result(self, result, config):
      assert result.video_duration == approx(config.duration, abs=0.5)
      assert result.video_fps == approx(config.video_fps, abs=0.5)
      if result.has_audio > 0:
          assert result.audio_sample_rate == config.audio_sample_rate
          assert result.audio_duration == approx(
              config.duration, abs=0.5
          )
  
imports: import collections
  import math
  import os
  from fractions import Fraction
  import numpy
  import pytest
  import torch
  import torchvision.io
  from common_utils import assert_equal
  from numpy.random import randint
  from pytest import approx
  from torchvision import set_video_backend
  from torchvision.io import _HAS_VIDEO_OPT
label_desc: Use image node_id 3 for calling the TestVideoReader obj's underlying member method code with example usage: obj.check_meta_result(result, config) without return types