update text_to_binary_payload.py, add example input file (3581197f) · Commits · IVAS Codec Public Collaboration / IVAS Codec

scripts/reverb/acousting_environment_renderer.cfg

0 → 100644

+33 −0

Original line number	Diff line number	Diff line
		[frequencyGrid:0]
		method = individualFrequencies
		frequencies = [
		20.0, 25.0, 31.5, 40.0,
		50.0, 63.0, 80.0, 100.0,
		125.0, 160.0, 200.0, 250.0,
		315.0, 400.0, 500.0, 630.0,
		800.0, 1000.0, 1250.0, 1600.0,
		2000.0, 2500.0, 3150.0, 4000.0,
		5000.0, 6300.0, 8000.0, 10000.0,
		12500.0, 16000.0, 20000.0]

		[acousticEnvironment:0]
		id = 0
		frequencyGridIndex = 0
		predelay = 0.1
		rt60 = [
		1.3622, 1.4486, 1.3168, 1.5787,
		1.4766, 1.3954, 1.2889, 1.3462,
		1.0759, 1.0401, 1.0970, 1.0850,
		1.0910, 1.0404, 1.0499, 1.0699,
		1.1028, 1.1714, 1.1027, 1.0666,
		1.0550, 1.0553, 1.0521, 1.0569,
		1.0421, 0.97822, 0.80487, 0.75944,
		0.71945, 0.61682, 0.60031]

		dsr = [
		1.9952632e-08, 1.9952632e-08, 1.2589251e-08, 1.5848926e-08, 1.2589251e-08, 1.9952632e-08, 2.511887e-08, 3.9810708e-08, 1e-07, 1.9952633e-07,
		3.981071e-07, 6.3095763e-07, 7.943284e-07, 6.3095763e-07, 5.01187e-07, 5.01187e-07, 6.3095763e-07, 6.3095763e-07, 7.943284e-07, 6.3095763e-07,
		5.01187e-07, 6.3095763e-07, 6.3095763e-07, 6.3095763e-07, 5.01187e-07, 2.511887e-07, 1.2589251e-07, 1e-07, 6.309576e-08, 3.1622776e-08,
		2.511887e-08]

scripts/reverb/generate_acoustic_environments_metadata.py

+33 −31

Original line number	Diff line number	Diff line
		@@ -194,7 +194,7 @@ def get_frequency_code(f):


		def get_frequency_hop_code(index):
		assert 0 <= index < 7
		assert 0 <= index <= 6
		return [
		'0010', # 2^(1/12)
		'0011', # 2^(1/6)
		@@ -243,7 +243,7 @@ def get_default_grid_nr_bands(code):
		return [10, 10, 31, 5, 6, 3, 41, 21, 25][code]


		def get_distance_code(distance, isSmallScene = True):
		def get_distance_code(distance, isSmallScene):
		# 0, 1, ... 99
		metersCode = [
		'111101', '110010', '110011', '110000', '110001', '110110', '110111', '110100', '110101', '001010',
		@@ -336,7 +336,8 @@ def concatenate(function, data):


		def test():
		# generate binary output which can be compared with the Matlab implementation output
		# exercise encoding functions over their supported ranges
		# save binary output to file so it can be compared against Matlab / C implementations
		string = ''

		# count or index encoding
		@@ -380,7 +381,7 @@ def generate_reverb_payload_equivalent_to_rend_config_renderer_cfg():
		# based on config_renderer.cfg
		# note that because of encoding, resolution is lost and behaviour may not be bit-exact compared to .cfg file based values
		data = bitarray(
		'1' # hasAcEnv
		'1' # hasAcEnv (see IVAS acoustic environment payload syntax document)
		+ get_count_or_index_code(1) # fgdNrGrids
		+ fgdMethod.Individual_Frequencies.value # fgdMethod
		+ get_count_or_index_code(31) # fgdNrBands
		@@ -439,7 +440,7 @@ def generate_reverb_payload_equivalent_to_rend_config_renderer_cfg_plus_early_re

		+ get_count_or_index_code(1) # AcousticEnvCount
		+ get_id_code(0) # ID
		+ get_count_or_index_code(1) # FreqGridID
		+ get_count_or_index_code(0) # FreqGridID
		+ get_duration_code(0.1) # (input)Predelay

		+ concatenate(get_duration_code, # RT60
		@@ -449,20 +450,20 @@ def generate_reverb_payload_equivalent_to_rend_config_renderer_cfg_plus_early_re
		0.60031 ])

		+ concatenate(get_dsr_code, # DSR
		[ 1.8811e-08, 2.1428e-08, 1.3972e-08, 1.51e-08, 1.287e-08, 1.8747e-08, 2.413e-08, 3.9927e-08, 8.9719e-08, 1.902e-07,
		3.702e-07, 6.1341e-07, 7.1432e-07, 6.5331e-07, 4.6094e-07, 5.4683e-07, 7.0134e-07, 6.856e-07, 7.114e-07, 6.9604e-07,
		5.2939e-07, 5.699e-07, 6.1773e-07, 5.7488e-07, 4.7748e-07, 2.7213e-07, 1.3681e-07, 1.0941e-07, 6.2001e-08, 2.8483e-08,
		2.6267e-08 ])
		[ 1.9952632e-08, 1.9952632e-08, 1.2589251e-08, 1.5848926e-08, 1.2589251e-08, 1.9952632e-08, 2.511887e-08, 3.9810708e-08, 1e-07, 1.9952633e-07,
		3.981071e-07, 6.3095763e-07, 7.943284e-07, 6.3095763e-07, 5.01187e-07, 5.01187e-07, 6.3095763e-07, 6.3095763e-07, 7.943284e-07, 6.3095763e-07,
		5.01187e-07, 6.3095763e-07, 6.3095763e-07, 6.3095763e-07, 5.01187e-07, 2.511887e-07, 1.2589251e-07, 1e-07, 6.309576e-08, 3.1622776e-08,
		2.511887e-08 ])

		+ '1' # hasEarlyReflections
		+ concatenate(lambda d : get_distance_code(d, True),
		[ 3.0, 4.0, 2.5 ]) # room dimensions
		[ 3.0, 4.0, 2.5 ]) # erSize (room dimensions)

		+ get_count_or_index_code(0) # FreqGridID
		+ concatenate(get_absorption_code, # absorptionCode
		+ get_count_or_index_code(0) # erFreqGridIdx
		+ concatenate(get_absorption_code, # erAbsCoeff
		[ 0.8, 0.8, 0.8, 0.8, 0.2, 0.6 ])

		+ '0' # listener origin flag
		+ '0' # hasListenerOrigin

		, endian='big')

		@@ -496,7 +497,7 @@ def generate_reverb_payload_equivalent_to_rend_config_renderer_cfg_plus_early_re

		+ get_count_or_index_code(1) # AcousticEnvCount
		+ get_id_code(0) # ID
		+ get_count_or_index_code(1) # FreqGridID
		+ get_count_or_index_code(0) # FreqGridID
		+ get_duration_code(0.1) # (input)Predelay

		+ concatenate(get_duration_code, # RT60
		@@ -506,24 +507,24 @@ def generate_reverb_payload_equivalent_to_rend_config_renderer_cfg_plus_early_re
		0.60031 ])

		+ concatenate(get_dsr_code, # DSR
		[ 1.8811e-08, 2.1428e-08, 1.3972e-08, 1.51e-08, 1.287e-08, 1.8747e-08, 2.413e-08, 3.9927e-08, 8.9719e-08, 1.902e-07,
		3.702e-07, 6.1341e-07, 7.1432e-07, 6.5331e-07, 4.6094e-07, 5.4683e-07, 7.0134e-07, 6.856e-07, 7.114e-07, 6.9604e-07,
		5.2939e-07, 5.699e-07, 6.1773e-07, 5.7488e-07, 4.7748e-07, 2.7213e-07, 1.3681e-07, 1.0941e-07, 6.2001e-08, 2.8483e-08,
		2.6267e-08 ])
		[ 1.9952632e-08, 1.9952632e-08, 1.2589251e-08, 1.5848926e-08, 1.2589251e-08, 1.9952632e-08, 2.511887e-08, 3.9810708e-08, 1e-07, 1.9952633e-07,
		3.981071e-07, 6.3095763e-07, 7.943284e-07, 6.3095763e-07, 5.01187e-07, 5.01187e-07, 6.3095763e-07, 6.3095763e-07, 7.943284e-07, 6.3095763e-07,
		5.01187e-07, 6.3095763e-07, 6.3095763e-07, 6.3095763e-07, 5.01187e-07, 2.511887e-07, 1.2589251e-07, 1e-07, 6.309576e-08, 3.1622776e-08,
		2.511887e-08 ])

		+ '1' # hasEarlyReflections
		+ concatenate(lambda code : get_distance_code(code, True),
		[ 3.0, 4.0, 2.5 ]) # room dimensions
		[ 3.0, 4.0, 2.5 ]) # erSize (room dimensions)

		+ get_count_or_index_code(0) # FreqGridID
		+ concatenate(get_absorption_code, # absorptionCode
		+ get_count_or_index_code(0) # erFreqGridIdx
		+ concatenate(get_absorption_code, # erAbsCoeff
		[ 0.8, 0.8, 0.8, 0.8, 0.2, 0.6 ])

		+ '1' # listener origin flag
		+ '1' # is possitive x
		+ '0' # is possitive y
		+ '1' # hasListenerOrigin
		+ '1' # isPositiveX
		+ '0' # isPositiveY
		+ concatenate(lambda d : get_distance_code(d, True),
		[ 0.5, 0.5, 1.5 ]) # listener origin (x, y, z)
		[ 0.5, 0.5, 1.5 ]) # erListenerOrigin (x, y, z)

		, endian='big')

		@@ -614,10 +615,11 @@ def generate_reverb_payload_equivalent_to_rend_config_recreation_cfg():
		file.close()


		if __name__ == "__main__":
		#test()
		generate_reverb_payload_equivalent_to_rend_config_renderer_cfg()
		generate_reverb_payload_equivalent_to_rend_config_hospital_patientroom_cfg()
		generate_reverb_payload_equivalent_to_rend_config_recreation_cfg()

		#generate_reverb_payload_equivalent_to_rend_config_renderer_cfg_plus_early_reflections_listener_origin()
		#generate_reverb_payload_equivalent_to_rend_config_renderer_cfg_plus_early_reflections_no_listener_origin()
		#generate_reverb_payload_equivalent_to_rend_config_renderer_cfg_plus_early_reflections_listener_origin()

scripts/reverb/text_to_binary_payload.py

+6 −5

Original line number	Diff line number	Diff line
		@@ -82,7 +82,7 @@ def parse_reverb_text_configuration_and_generate_binary_payload(file):
		# parse frequency grids
		nr_bands = []
		data = bitarray(
		'1' # hasAcEnv
		'1' # hasAcEnv (see IVAS acoustic environment payload syntax document)
		+ get_count_or_index_code(len(sections['frequencyGrid'])), # fgdNrGrids
		endian='big')
		for _, fg in sections['frequencyGrid'].items():
		@@ -107,7 +107,7 @@ def parse_reverb_text_configuration_and_generate_binary_payload(file):
		+ get_bool_code('defaultGridOffset' in fg)) # fgdIsSubGrid
		if 'defaultGridOffset' in fg:
		data += bitarray(
		format(eval_option(fg['defaultGridOffset']), '03b') # fgdDefaultGridOffset ## only 3 bits used iso 6 (to offset into max 41 bands), correct?
		format(eval_option(fg['defaultGridOffset']), '03b') # fgdDefaultGridOffset
		+ format(eval_option(fg['defaultGridNrBands']), '06b')) # fgdDefaultGridNrBands
		else:
		assert False, 'unknow frequency grid method'
		@@ -132,10 +132,11 @@ def parse_reverb_text_configuration_and_generate_binary_payload(file):
		if 'listenerOrigin' in ae:
		xyz = eval_option(ae['listenerOrigin'])
		assert len(xyz) == 3, 'wrong number of listener origin coordinates'
		assert xyz[2] >= 0, 'listener origin Z >= 0'
		data += bitarray(
		'1' if xyz[0] >= 0 else '0' # isPositiveX
		+ '1' if xyz[1] >= 0 else '0' # isPositiveY
		+ concatenate(get_distance_code, xyz)) # erListenerOrigin
		get_bool_code(xyz[0] >= 0) # isPositiveX
		+ get_bool_code(xyz[1] >= 0) # isPositiveY
		+ concatenate(lambda d : get_distance_code(d, True), [abs(v) for v in xyz])) # erListenerOrigin

		# generate binary file
		data.tofile(open(file.split('.')[0] + '.dat', 'wb'))