- #!/usr/bin/env python3
- #
- # Copyright 2019 Jack Humbert
- #
- # This program is free software: you can redistribute it and/or modify
- # it under the terms of the GNU General Public License as published by
- # the Free Software Foundation, either version 2 of the License, or
- # (at your option) any later version.
- #
- # This program is distributed in the hope that it will be useful,
- # but WITHOUT ANY WARRANTY; without even the implied warranty of
- # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- # GNU General Public License for more details.
- #
- # You should have received a copy of the GNU General Public License
- # along with this program. If not, see <http://www.gnu.org/licenses/>.
- #
-
- import wave, struct, sys
-
- waveFile = wave.open(sys.argv[1], 'r')
- # print(str(waveFile.getparams()))
- # sys.exit()
-
- if (waveFile.getsampwidth() != 2):
- raise(Exception("This script currently only works with 16bit audio files"))
-
- length = waveFile.getnframes()
- out = "#define DAC_SAMPLE_CUSTOM_LENGTH " + str(length) + "\n\n"
- out += "static const dacsample_t dac_sample_custom[" + str(length) + "] = {"
- for i in range(0,length):
- if (i % 8 == 0):
- out += "\n "
- waveData = waveFile.readframes(1)
- data = struct.unpack("<h", waveData)
- out += str(int((int(data[0]) + 0x8000) / 16)) + ", "
- out = out[:-2]
- out += "\n};"
- print(out)
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