Created
October 26, 2022 12:20
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Convert your REW filters (text format) to ACDf format to use with alsa
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| # Use as python3 REW_to_ACDf.py filter.txt | |
| # where filter.txt is the text exported REW filters | |
| # License GPLv3.0 | |
| # Copyright Victor Azizi 2022 | |
| import sys | |
| import re | |
| #Header | |
| print("""pcm.!default { | |
| type plug | |
| slave { | |
| pcm "klipsch"; | |
| } | |
| } | |
| pcm.klipsch { | |
| type ladspa | |
| path "/usr/lib/ladspa" | |
| channels 2 | |
| slave { | |
| pcm "plughw:1,0" | |
| } | |
| plugins {""") | |
| pattern = re.compile(r'Filter +[1-9]+: +ON +PK +Fc +([0-9\.]+) Hz +Gain +([\-0-9.]+) +dB +Q +([0-9\.]+)') | |
| with open(sys.argv[1]) as f: | |
| count = 0 | |
| for line in f.readlines(): | |
| m = pattern.match(line) | |
| if not m: | |
| continue | |
| freq = float(m.group(1)) | |
| gain = float(m.group(2)) | |
| qual = float(m.group(3)) | |
| for chan in (0,1): | |
| print(f""" {count} {{ | |
| label ACDf | |
| policy none | |
| input.bindings.{chan} "Input" | |
| output.bindings.{chan} "Output" | |
| input {{ controls [26 1 {gain} {freq} {qual} 1 1]}} | |
| }}""") | |
| count = count + 1 | |
| print(""" } | |
| }""") |
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