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#! /usr/bin/env python3
#
# convert KEMAR head-related impulse response measurement data set to C header
# file 3 dimensional array
#
# usage: parse-to-h.py [DATAFILE]
#
# Chikashi Miyama 2021
# adapted from original parse-to-h.pl Perl script by Hans-Christoph Steiner 2009
#
import sys
datafile = "earplug_data.txt"
if len(sys.argv) > 1:
datafile = sys.argv[1]
src = open(datafile, "r")
dest = open("earplug_data.h", "w")
lines = src.readlines()
dest.write("/* default impulse responses as embedded binary data */\n")
dest.write("t_float earplug_impulses[368][2][128] = {\n")
for line in lines:
if line[0] == "*":
continue
if line == '\n':
continue
else:
irs = line.split(' ')
irs.pop()
count = 0
leftSamples = []
rightSamples = []
for sample in irs:
if count % 2 == 0:
leftSamples.append(sample)
else:
rightSamples.append(sample)
count += 1
dest.write('{\n{')
dest.write(', '.join(leftSamples))
dest.write('},\n')
dest.write('{')
dest.write(', '.join(rightSamples))
dest.write('}\n},\n')
dest.write('};\n')
src.close()
dest.close()
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