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syngenbrute.py
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syngenbrute.py
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#!/usr/bin/env python3
import sys
import time
import mido
import argparse
import sounddevice as sd
import numpy as np
from scipy.io import wavfile
from lib.simpleccpatch import SimpleCCPatch
from lib.analyser import MFCCComparator
from lib.genetic import GeneticModel
sd.default.device = 'system'
best_score = 1e42
best_patch = None
best_count = 0
def trimpad(sample, startThreshold, length):
start = 0
end = length
buffer = np.array(sample)
# print('trimpad')
# print(buffer.max(), '..', buffer.min(), '; ', np.ptp(buffer))
normalized = (buffer - buffer.min()) / np.ptp(buffer) - 0.5
# print(normalized.max(), '..', normalized.min(), '; ', np.ptp(normalized))
for (idx, smp) in enumerate(normalized):
if smp[0] > startThreshold:
start = idx
break
return sample[start:end]
def normalize(wav):
return 2*(wav - wav.min()) / np.ptp(wav) - 1
def record(length, sample_rate, threshold):
# recording = sd.rec(3, sample_rate, channels=2, blocking=True)
recording = sd.rec(length, sample_rate, channels=1)
sd.wait()
recording /= np.max(np.abs(recording), axis=0)
time.sleep(length/sample_rate)
return trimpad(recording, threshold, length)
def try_speciman(synth, midi_device, channel, comp, genetic_model, speciman, sample_length):
global best_score
global best_patch
global best_count
for (param, value) in zip(genetic_model.params, speciman.values):
synth.set_param(param['key'], int(round(value)))
# print(f'{param["key"]} = {int(round(value))}; ', end='')
patch = synth.get_patch()
# print('zxz', midi_device)
outport = midi_device
# outport = mido.open_output(midi_device)
# send patch
# midi.send(patch)
# record wav
# wav = record(sample_length, comp.sample_rate, 100)
for cmd in mido.parse_all(patch):
outport.send(cmd)
wav = sd.rec(sample_length+800, comp.sample_rate, channels=1)
outport.send(mido.Message('note_on', channel=channel, note=48))
# time.sleep(.001)
sd.wait()
outport.send(mido.Message('note_off', channel=channel, note=48))
wav = trimpad(wav, 0.01, comp.target_length)
normwav = normalize(wav)
# wavfile.write(f'specimenx/feedback{speciman.values[0]}.wav', 48000, normwav)
# wavfile.write(f'specimenx/orig{speciman.values[0]}.wav', 48000, wav)
score = comp.compare_to(normwav, 48000)
if score < best_score:
wavfile.write(f'specimen/best{best_count}.wav', 48000, normwav)
# wavfile.write(f'specimen/bestn{best_count}.wav', 48000, normwav)
best_score = score
best_patch = patch
print(f'{best_count}. ', end='')
best_count += 1
for (param, value) in zip(genetic_model.params, speciman.values):
synth.set_param(param['key'], int(round(value)))
print(f'{param["key"]} = {int(round(value))}; ', end='')
print(' Score -> ', score)
return score
def bruteforce_sound(path_to_wav, synth_def, params_def,
target_score=50, pop_size=50, max_generations=100,
mutation_rate=0.05, midi_channel=10, midi_device=None):
global best_patch
print('z', synth_def)
# synth = SimpleCCPatch(midi_channel, synth_def, ['Feedback', 'Mix'])
synth = SimpleCCPatch(midi_channel, synth_def, ['Algo', 'Ratio C', 'Ratio A', 'Ratio B1', 'Ratio B2', 'Harmonics', 'Detune', 'Feedback', 'Mix', 'A Level', 'B Level'])
outport = mido.open_output(midi_device)
comp = MFCCComparator(path_to_wav)
length = comp.target_length
gm = GeneticModel(pop_size, mutation_rate, epoch=30)
gm.test_function = lambda S: try_speciman(synth, outport, midi_channel, comp, gm, S, length)
for param in params_def:
gm.add_param(param['name'], param['min'], param['max'])
best_result = -1
for i in range(max_generations):
print(f"Generation {i+1}/{max_generations}")
generation = gm.iterate()
# Send best patch
for cmd in mido.parse_all(best_patch):
outport.send(cmd)
def midi_test(device_name, channel):
# test_sequence = [144, 60, 64, 144, 48, 64]
# for cmd in mido.parse_all(test_sequence):
# outport.send(mido.Message('note_off', channel=channel, note=60))
# outport.send(cmd)
# time.sleep(0.2)
outport = mido.open_output(device_name)
recording = record(9600, 48000, 5)
outport.send(mido.Message('note_on', channel=channel, note=48))
time.sleep(.001)
outport.send(mido.Message('note_off', channel=channel, note=48))
sd.wait()
# print(recording)
if __name__ == "__main__":
ap = argparse.ArgumentParser(description="", add_help=False)
ap.add_argument('-S', '--synth',
type=str,
# required=True,
help="synth.json file to use")
ap.add_argument('-L', '--list-controls',
action='store_true',
default=False,
help="List all available synthesizer controls from synth.json")
ap.add_argument('-t', '--tweak',
type=str,
help=''),
ap.add_argument('-a', '--audio-in',
type=str,
default="",
help="Audio input device (--help for list of devices)")
ap.add_argument('-m', '--midi-out',
type=str,
default="",
help="MIDI output device (--help for list of devices)")
ap.add_argument('-c', '--channel',
type=int,
default=0,
help="MIDI channel (1 to 16)")
ap.add_argument('-i', '--input',
type=str,
# required=True,
help="WAV sample to try and bruteforce")
ap.add_argument('-h', '--help',
default=False,
action='store_true',
help="Print help message and exit")
args = ap.parse_args()
# print(args)
if args.help:
ap.print_help()
print("\nMIDI outputs:")
for out in mido.get_output_names():
print(f'"{out}"')
print("\nAudio inputs:")
for out in sd.query_devices():
print(f'"{out["name"]}"')
if args.midi_out and args.channel:
midi_outs = mido.get_output_names()
if args.midi_out not in midi_outs:
print(f"Can't find \033[1m{args.midi_out} MIDI output. Try these:")
for out in midi_outs:
print(f'"{out}"')
sys.exit(0)
if args.channel < 1 or args.channel > 16:
print("MIDI channel can be 1 to 16")
sys.exit(0)
args.channel -= 1
if args.input:
params_def = [
{
"name": "Algo",
"min": 0,
"max": 7,
"cc": [90],
"category": "syn1"
},
{
"name": "Ratio C",
"min": 0,
"max": 127,
"cc": [91],
"category": "syn1"
},
{
"name": "Ratio A",
"min": 0,
"max": 127,
"cc": [92],
"category": "syn1"
},
{
"name": "Ratio B1",
"min": 0,
"max": 18,
"cc": [16, 48],
"filter": "(ratio_b & 0x3E0) | value",
"store": "ratio_b",
"category": "syn1"
},
{
"name": "Ratio B2",
"min": 0,
"max": 18,
"cc": [16, 48],
"filter": "(ratio_b & 0x1F) | (value << 5)",
"store": "ratio_b",
"category": "syn1"
},
{
"name": "Harmonics",
"min": 0,
"max": 16383,
"cc": [17, 49],
"category": "syn1"
},
{
"name": "Detune",
"min": 0,
"max": 16383,
"cc": [18, 50],
"category": "syn1"
},
{
"name": "Feedback",
"min": 0,
"max": 127,
"cc": [19],
"category": "syn1"
},
{
"name": "Mix",
"min": 0,
"max": 16383,
"cc": [20, 52],
"category": "syn1"
},
{
"name": "A Level",
"min": 0,
"max": 127,
"cc": [78],
"category": "syn2"
},
{
"name": "B Level",
"min": 0,
"max": 127,
"cc": [82],
"category": "syn2"
},
]
bruteforce_sound(args.input, args.synth, params_def, midi_device=args.midi_out, midi_channel=args.channel, max_generations=50, mutation_rate=0.15)
else:
midi_test(args.midi_out, args.channel)