Checking for nan and inf (ae40b7cb) · Commits · IVAS Codec Public Collaboration / IVAS Processing Scripts

ivas_processing_scripts/audiotools/wrappers/bs1770.py

+23 −2

Original line number	Diff line number	Diff line
		@@ -134,8 +134,12 @@ def bs1770demo(
		result = run(cmd, logger=logger)

		# parse output
		measured_loudness = float(result.stdout.splitlines()[3].split(":")[1])
		scale_factor = float(result.stdout.splitlines()[-3].split(":")[1])
		measured_loudness = check_for_nan_and_inf(
		result.stdout.splitlines()[3].split(":")[1]
		)
		scale_factor = check_for_nan_and_inf(
		result.stdout.splitlines()[-3].split(":")[1]
		)

		return measured_loudness, scale_factor

		@@ -289,3 +293,20 @@ def scale_files(

		# write into file
		write(file, scaled_audio, audio_obj.fs)


		def check_for_nan_and_inf(input_string: str):
		"""
		Checks the input string for nan and inf

		Parameters
		----------
		input_string: str
		Input string
		"""
		if "nan" in input_string.lower():
		raise ValueError("Too quiet.")
		elif "inf" in input_string.lower():
		raise ValueError("All zeros.")
		else:
		return float(input_string)