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example.py
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example.py
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import random
import sys
sys.path.insert(0, "src")
from livecodingmusic.livecodingmusic import Engine
from livecodingmusic.livecodingmusic import chord2midi
from livecodingmusic.livecodingmusic import note2midi
from livecodingmusic.livecodingmusic import er
from livecodingmusic.livecodingmusic import metronome
from livecodingmusic.livecodingmusic import record
from icecream import ic
def sample(step):
if step % 16 != 0:
return
if random.random() < 0.1:
return
# save state
fname = sys._getframe().f_code.co_name
if not hasattr(globals()[fname], "v"):
globals()[fname].v = -1
globals()[fname].v = (globals()[fname].v + 1) % 3
v = globals()[fname].v
sample = "samples/SO_MM_115_vocalsynth_cashmere_wet_Am__beats35_bpm115.flac"
e = Engine("sample")
e.set("loops", 1)
e.set("sample", sample)
e.set("rate", 1)
ic(v, sample)
e.set("reset", v * 12 / 35)
e.set("start", v * 12 / 35)
e.set("reverb", -15)
e.set("db", -15)
e.play()
def sample2(step):
if step % 48 != 0:
return
# save state
fname = sys._getframe().f_code.co_name
if not hasattr(globals()[fname], "v"):
globals()[fname].v = -1
globals()[fname].v = (globals()[fname].v + 1) % 4
v = globals()[fname].v
sample = "samples/SO_MM_115_vocalsynth_cerulean_wet_Am__beats38_bpm115.flac"
e = Engine("sample")
e.set("sample", sample)
e.set("loops", 1)
e.set("rate", -1)
e.set("db", -10)
e.set("lpf", 16000)
e.set("reset", 0.3 + (0.1 * v))
e.set("end", 0.3 + (0.1 * v))
e.set("start", 0)
e.play()
def sample_drums(step):
if random.random() < 0.5:
return
e = Engine("sample")
e.set("sample", "samples/loop_amen1_bpm174.flac")
sample_beats = 16
sample_tempo = 174
e.set("sample", "samples/120_8.flac")
sample_beats = 8
sample_tempo = 120
e.set("sample", "samples/loop_break2_bpm170.flac")
sample_beats = 8
sample_tempo = 170
e.set("sample", "samples/loop_break3_bpm170.flac")
sample_beats = 16
sample_tempo = 170
# update the rate to keep in tempo
tempo, steps_per_beat = bpm()
rate = tempo / sample_tempo
e.set("rateLag", 0.01)
# update the position to match
s = step % (sample_beats * steps_per_beat)
start = s / (sample_beats * steps_per_beat)
e.set("pan", 0)
e.set("db", -7)
e.set("loops", 1 / (1 - start))
e.set("start", start)
e.set("reset", start)
e.set("end", 1)
e.set("lpf", 15000)
e.set("delay", -96)
# if random.random() < 0.05:
# e.set("lpf", random.random() * 2000 + 200)
# if random.random() < 0.07:
# e.set("end", start + 1 / random.choice([48, 64, 72, 96]))
# e.set("loops", 32)
# e.set("lpf", random.random() * 4000 + 200)
# if random.random() < 0.05:
# rate = rate * -1
# if random.random() < 0.07:
# e.set("rateLag", 0.5)
# rate = rate * 2
# if random.random() < 0.07:
# e.set("rateLag", 0.5)
# rate = rate * 0.5
e.set("rate", rate)
e.play()
def sample_drums2(step):
if random.random() < 0.5:
return
e = Engine("sample")
e.set("sample", "samples/loop_amen1_bpm174.flac")
sample_beats = 16
sample_tempo = 174
e.set("sample", "samples/120_8.flac")
sample_beats = 8
sample_tempo = 120
e.set("sample", "samples/loop_break3_bpm170.flac")
sample_beats = 16
sample_tempo = 170
e.set("sample", "samples/loop_break2_bpm170.flac")
sample_beats = 8
sample_tempo = 170
# update the rate to keep in tempo
tempo, steps_per_beat = bpm()
rate = tempo / sample_tempo
e.set("rateLag", 0.01)
# update the position to match
s = step % (sample_beats * steps_per_beat)
start = s / (sample_beats * steps_per_beat)
e.set("pan", 0)
e.set("db", -7)
e.set("loops", 1 / (1 - start))
e.set("start", start)
e.set("reset", start)
e.set("end", 1)
e.set("lpf", 15000)
e.set("delay", -96)
# if random.random() < 0.05:
# e.set("lpf", random.random() * 2000 + 200)
# if random.random() < 0.07:
# e.set("end", start + 1 / random.choice([48, 64, 72, 96]))
# e.set("loops", 32)
# e.set("lpf", random.random() * 4000 + 200)
# if random.random() < 0.05:
# rate = rate * -1
# if random.random() < 0.07:
# e.set("rateLag", 0.5)
# rate = rate * 2
# if random.random() < 0.07:
# e.set("rateLag", 0.5)
# rate = rate * 0.5
e.set("rate", rate)
e.play()
def sample_glitch(step):
if random.random() < 0.5:
return
e = Engine("sample")
e.set("sample", "samples/SO_MM_115_vocalsynth_cashmere_wet_Am__beats35_bpm115.flac")
tempo, steps_per_beat = bpm()
sample_beats = 35
# update the rate to keep in tempo
rate = 2
e.set("rateLag", 0.01)
if random.random() < 0.05:
rate = rate * -1
if random.random() < 0.07:
e.set("rateLag", 0.5)
rate = rate * 2
if random.random() < 0.07:
e.set("rateLag", 0.5)
rate = rate * 0.5
# update the position to match
s = step % (sample_beats * steps_per_beat)
start = s / (sample_beats * steps_per_beat)
e.set("pan", 0)
e.set("db", -15)
e.set("loops", 1.5)
e.set("start", start)
e.set("reset", start)
e.set("end", 1)
e.set("lpf", 1600)
e.set("rate", rate)
e.set("delay", 0)
if random.random() < 0.05:
e.set("lpf", random.random() * 2000 + 200)
if random.random() < 0.07:
e.set("end", start + 1 / random.choice([48, 64, 72, 96]))
e.set("loops", 12)
e.set("lpf", random.random() * 4000 + 200)
e.play()
def kick(step):
if step % 8 != 0:
return
e = Engine("fm", "kick")
e.set("reverb", -30)
e.set("db", 40)
e.play()
def hh(step):
# save state
fname = sys._getframe().f_code.co_name
if not hasattr(globals()[fname], "v"):
globals()[fname].v = 0
globals()[fname].v = 1 - globals()[fname].v
v = globals()[fname].v
ers = [er(16, 7, 0), er(16, 5, 0)]
ers = [er(16, 5, 0), er(16, 3, 0)]
ers = [er(16, 11, 0), er(16, 9, 0)]
if ers[v][step % 16] != 1:
return
e = Engine("fm", "hh")
e.set("reverb", -40)
e.set("db", -21)
e.set("nrel", (step % 16) / 32 + 0.1)
e.play()
def pad(step):
if step % 16 != 0:
return
# define some chords
chords = ["Am7", "Cmaj7", "Am7", "Cmaj7", "Am7", "Cmaj7", "F/C", "Em/B"]
# save state
fname = sys._getframe().f_code.co_name
if not hasattr(globals()[fname], "v"):
globals()[fname].v = -1
globals()[fname].v = (globals()[fname].v + 1) % len(chords)
v = globals()[fname].v
e = Engine("synthy")
e.set("attack", 2)
e.set("decay", 0.1)
e.set("reverb", -10)
e.set("db", -5)
e.set("lpf", 4000)
e.play(chord2midi(chords[v]))
def notes(step):
if random.random() < 0.2:
return
notes = ["a6", "c6", "e6", "d6", "e7", "a5"]
notes += ["a6", "c6", "e6", "b6", "e7", "a5"]
# save state
fname = sys._getframe().f_code.co_name
if not hasattr(globals()[fname], "v"):
globals()[fname].v = -1
globals()[fname].v = (globals()[fname].v + 1) % len(notes)
v = globals()[fname].v
ers = [er(16, 3, 1), er(16, 2, 7), er(16, 2, 3)]
if ers[v % len(ers)][step % 16] == 0:
return
e = Engine("piano")
e.set("attack", 0.01)
e.set("decay", 1.5)
e.set("db", -18)
e.set("lpf", 7600)
e.set("delay", -10)
e.play(note2midi(notes[v]))
def notes2(step):
if random.random() < 0.1:
return
if er(16, 2, 1)[step % 16] == 0:
return
notes = ["c5", "b4", "a3", "e4", "f5", "g5", "e5"]
# save state
fname = sys._getframe().f_code.co_name
if not hasattr(globals()[fname], "v"):
globals()[fname].v = -1
globals()[fname].v = (globals()[fname].v + 1) % len(notes)
v = globals()[fname].v
e = Engine("piano")
e.set("attack", 0.01)
e.set("decay", 1.5)
e.set("db", -15)
e.set("lpf", 18100)
e.set("delay", -5)
e.set("sub", 0.5)
e.play(note2midi(notes[v]))
def bass(step):
if step % 16 != 0:
return
# define some chords
notes = ["a2", "c2", "a2", "c2", "a2", "c2", "f2", "e2"]
# save state
fname = sys._getframe().f_code.co_name
if not hasattr(globals()[fname], "v"):
globals()[fname].v = -1
globals()[fname].v = (globals()[fname].v + 1) % len(notes)
v = globals()[fname].v
e = Engine("bass")
e.set("attack", 0.01)
e.set("decay", 4.25)
e.set("db", 5)
e.play(note2midi(notes[v]))
def loop(step):
record(False)
# pad(step)
# bass(step)
# kick(step)
# hh(step)
# sample_drums(step)
# sample_drums2(step)
# sample_glitch(step)
# sample(step)
# sample2(step)
# notes(step)
# notes2(step)
pass
def bpm():
# return tempo, steps per beat
return 115, 4
if __name__ == "__main__":
metronome(loop, bpm)