diff options
Diffstat (limited to 'util/wavetable_parser.py')
| -rwxr-xr-x | util/wavetable_parser.py | 40 | 
1 files changed, 40 insertions, 0 deletions
| diff --git a/util/wavetable_parser.py b/util/wavetable_parser.py new file mode 100755 index 0000000000..be0f01f7b4 --- /dev/null +++ b/util/wavetable_parser.py @@ -0,0 +1,40 @@ +#!/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') + +length = waveFile.getnframes() +out = "#define DAC_WAVETABLE_CUSTOM_LENGTH " + str(int(length / 256)) + "\n\n" +out += "static const dacsample_t dac_wavetable_custom[" + str(int(length / 256)) + "][256] = {" +for i in range(0,length): +    if (i % 8 == 0): +        out += "\n    " +    if (i % 256 == 0): +        out = out[:-2] +        out += "{\n    " +    waveData = waveFile.readframes(1) +    data = struct.unpack("<h", waveData) +    out += str(int((int(data[0]) + 0x8000) / 16)) + ", " +    if (i % 256 == 255): +        out = out[:-2] +        out += "\n  }," +out = out[:-1] +out += "\n};" +print(out) | 
