def test_shape_pulsar(self):
dsp.seed()
for i in range(4):
wts = [shapes.wt('sine', length=1) for _ in range(3)]
wins = [shapes.win('sine', length=1) for _ in range(3)]
wins = [w * dsp.win('hann') for w in wins]
amp = shapes.win('sine', length=1)
pw = dsp.win(shapes.win('sine', length=1), 0.1, 1)
freq = dsp.win(shapes.win('sine', length=1), 20, 260)
grid = dsp.win(shapes.win('sine', length=1), 0.001, 0.75)
gl = dsp.win(shapes.win('sine', length=1), 0.03, 0.3)
win = shapes.win('sine', length=1) * dsp.win('hann')
out = oscs.Pulsar2d(
wts,
windows=wins,
freq=freq,
pulsewidth=pw,
amp=amp,
).play(dsp.rand(0.2, 1)).cloud(length=20,
window=win,
grainlength=gl,
grid=grid,
speed=dsp.win(
shapes.win('sine', length=1),
0.03, 2),
spread='rnd',
jitter='rnd')
out.write('tests/renders/shape_pulsar%s.wav' % i)
def test_rand_1000(self):
dsp.seed(1000)
for m in methods:
dsp.randmethod(m)
values = []
for _ in range(1000):
values += [dsp.rand()]
dsp.win(values).graph('tests/renders/rand_%s_1000values.png' % m)
# teardown
dsp.randmethod('normal')
def test_smear(self):
dsp.seed()
g = dsp.read('tests/sounds/guitar10s.wav').rcut(1)
out = multiband.smear(g)
out.write('tests/renders/multiband_smear-guitar-0.01.wav')
dsp.seed()
g = dsp.read('tests/sounds/living.wav')
out = multiband.smear(g)
out.write('tests/renders/multiband_smear-living-0.01.wav')
def test_shape_synth(self):
dsp.seed()
out = shapes.synth('sine',
minfreq=80,
maxfreq=800,
stability=0.99,
length=10)
amp = shapes.win('sine', length=10)
out = out * amp
out.write('tests/renders/shape_synth.wav')
def test_shape_wt(self):
dsp.seed()
wt = shapes.wt('sine',
length=10,
density='rnd',
stability='rnd',
periodicity='rnd')
amp = shapes.wt('sine',
length=10,
density='rnd',
stability='rnd',
periodicity='rnd')
wt = wt * amp
wt.graph('tests/renders/shape_wt.png')
def test_shape_wt(self):
dsp.seed()
for i in range(4):
wt = shapes.wt('sine',
length=10,
density='rnd',
stability='rnd',
periodicity='rnd')
amp = shapes.wt('sine',
length=10,
density='rnd',
stability='rnd',
periodicity='rnd')
wt = wt * amp
wt.graph('tests/renders/shape_wt%s.png' % i, width=1024)
from pippi import dsp, shapes
dsp.seed(111)
minval = 0.
maxval = 1.
grainsperbranch = 4
passes = (4, 8, 12, 18, 40, 400)
for numgrains in passes:
A = dsp.rand(minval, maxval)
B = dsp.rand(minval, maxval)
numbranches = numgrains // grainsperbranch
if A > B:
A, B = B, A
trunk = dsp.win('rsaw', A, B)
trunk.graph('trunk-%s-rsaw.png' % numgrains, y=(0,1))
branches = []
for _ in range(numbranches):
bD = dsp.rand(0.001, 0.999) # delta
bA = dsp.rand(max(A - (bD/2), 0), min(A + (bD/2), 1))
branches += [ dsp.buffer(dsp.win('rsaw', bA, B), channels=1) ]
branches = dsp.stack(branches)
branches.graph('branches-%s-rsaw.png' % numgrains, y=(0,1))
def test_spread(self):
dsp.seed()
g = dsp.read('tests/sounds/guitar1s.wav')
out = multiband.spread(g)
out.write('tests/renders/multiband_spread-guitar-0.5.wav')
"""
from pippi import dsp
from pippi import tune
import math
dsp.quiet = False
dsp.timer('start')
dsp.seed('jbutler')
cathedral = dsp.read('sounds/cathedral.wav')
tone = dsp.read('sounds/ding.wav').data
def fade(snd, time=dsp.mstf(1)):
first = dsp.cut(snd, 0, time)
middle = dsp.cut(snd, time, dsp.flen(snd) - (time * 2))
last = dsp.cut(snd, dsp.flen(middle) + time, time)
snd = dsp.env(first, 'line') + middle + dsp.env(last, 'phasor')
return snd
def ding(tone, tlength=88200, nlength=1000):
def sequence(tonic='g'):
numdegrees = dsp.randint(2, 8)
degrees = [1, 5, 8, 11, 12]
#scale = [ dsp.randchoose(degrees) for i in range(numdegrees) ]
scale = degrees[dsp.randint(0, 3):]
scale = dsp.randshuffle(scale)
scale = tune.fromdegrees(scale, 1, tonic, tune.major, tune.terry)
from unittest import TestCase
from pippi import dsp, soundfont, fx
dsp.seed()
class TestSoundfont(TestCase):
def test_play(self):
length = 10
freq = 660
amp = 1
voice = 1
out = soundfont.play("tests/sounds/florestan-gm.sf2", length, freq,
amp, voice)
out.write('tests/renders/soundfont_play.wav')
def test_playall(self):
events = []
pos = 0
length = 10
while pos < length:
events += [
dict(start=pos,
length=dsp.rand(0.2, 3),
freq=30 * dsp.randint(1, 10),
amp=dsp.rand(),
voice=dsp.randint(0, 127))
]
pos += dsp.rand(0.01, 0.1)
def test_create_breakpoint(self):
dsp.seed(1000)
b = Breakpoint(10)
wt = b.towavetable()
wt.graph('tests/renders/breakpoint_default.png', y=(-1, 1))
from pippi import dsp
from pippi import tune
import math
dsp.quiet = False
dsp.timer('start')
dsp.seed('jbutler')
cathedral = dsp.read('sounds/cathedral.wav')
tone = dsp.read('sounds/ding.wav').data
def fade(snd, time=dsp.mstf(1)):
first = dsp.cut(snd, 0, time)
middle = dsp.cut(snd, time, dsp.flen(snd) - (time * 2))
last = dsp.cut(snd, dsp.flen(middle) + time, time)
snd = dsp.env(first, 'line') + middle + dsp.env(last, 'phasor')
return snd
def ding(tone, tlength=88200, nlength=1000):
def sequence(tonic='g'):
numdegrees = dsp.randint(2, 8)
degrees = [1,5,8,11,12]
#scale = [ dsp.randchoose(degrees) for i in range(numdegrees) ]
scale = degrees[dsp.randint(0, 3):]
scale = dsp.randshuffle(scale)
scale = tune.fromdegrees(scale, 1, tonic, tune.major, tune.terry)
return scale
def play(ctl):
p = ctl.get('param')
key = p.get('key', 'c')
mpk = ctl.get('midi').get('mpk')
bpm = p.get('bpm', 100)
beat = dsp.bpm2frames(bpm)
length = beat * 2 * mpk.geti(6, low=1, high=6)
gamut = mpk.geti(20)
poly = mpk.geti(21)
logistic = mpk.geti(22)
layered = mpk.geti(23)
fixed = mpk.get(24)
perc = mpk.get(25)
wobble = mpk.get(26)
min_octave = mpk.geti(4, low=1, high=4)
max_octave = mpk.geti(4, low=3, high=7)
octave = dsp.randint(min_octave, max_octave)
k = dsp.randchoose(snds.search('mc303/*kick*'))
h = dsp.randchoose(snds.search('mc303/*hat*'))
c = dsp.randchoose(snds.search('mc303/*clap*'))
pointer = p.get('pointer', default=0)
log = data.Logistic(r=dsp.rand(3.9, 3.99), x=0.5, size=1024, pointer=pointer)
if fixed:
seed = mpk.get(5)
else:
seed = time.time()
dsp.seed(str(seed))
def makeOnsets(length, wobble, div, num_beats, offset=False):
if offset:
offset = dsp.randint(0, 3)
else:
offset = 0
pattern = dsp.eu(num_beats, dsp.randint(1, num_beats/div), offset)
dsp.log(pattern)
if wobble:
points = [ dsp.mstf(100, 500) for _ in range(dsp.randint(2, 8)) ]
plength = sum(points)
mult = length / float(plength)
onsets = curves.bezier(points, num_beats)
onsets = [ int(o * mult) for o in onsets ]
else:
beat = float(length) / num_beats
num_beats = length / beat
beat = int(round(beat))
onsets = [ beat * i for i in range(int(round(num_beats))) ]
return onsets
def makeKicks(length, wobble):
out = Tracks()
onsets = makeOnsets(length, wobble, 2, 4, True)
kick = dsp.taper(k, 20)
kick = dsp.transpose(kick, dsp.rand(1, 2))
for onset in onsets:
out.add(kick, onset)
out = out.mix()
out = dsp.fill(out, length, silence=False)
return dsp.taper(out, 40)
def makeHats(length, wobble):
out = Tracks()
onsets = makeOnsets(length, wobble, 1, 16, True)
for onset in onsets:
out.add(h, onset)
out = out.mix()
out = dsp.split(out, dsp.flen(out) / dsp.randchoose([2, 3, 4]))
out = dsp.randshuffle(out)
out = ''.join(out)
out = dsp.fill(out, length, silence=False)
return dsp.taper(out, 40)
def makeClaps(length, wobble):
out = Tracks()
onsets = makeOnsets(length, wobble, 2, 8, True)
for onset in onsets:
clap = dsp.stretch(c, int(dsp.flen(c) * log.get(1, 10)), grain_size=dsp.randint(20, 120))
out.add(clap, onset)
out = out.mix()
out = dsp.split(out, dsp.flen(out) / dsp.randchoose([2, 3, 4]))
out = [ dsp.taper(o, 20) for o in out ]
out = dsp.randshuffle(out)
out = ''.join(out)
out = dsp.fill(out, length, silence=False)
return dsp.taper(out, 40)
if mpk.get(8) == 0:
return dsp.pad('', 0, dsp.mstf(100))
def randomScale():
scale = [1,2,3,4,5,6,7,8]
freqs = tune.fromdegrees(scale, octave=octave, root=key)
return freqs
def gamutScale():
num_notes = dsp.randint(3, 6)
scale = [ dsp.randchoose([1,2,3,4,5,6,7,8]) for _ in range(num_notes) ]
freqs = tune.fromdegrees(scale, octave=octave, root=key)
return freqs
if gamut:
freqs = gamutScale()
else:
freqs = randomScale()
if layered:
num_layers = dsp.randint(2, 4)
else:
num_layers = 1
layers = []
for _ in range(num_layers):
layer = ''
elapsed = 0
while elapsed < length:
if poly:
num_poly = dsp.randint(1, 3)
else:
num_poly = 1
note_length = beat / dsp.randchoose([1, 2, 3, 4])
notes = []
for _ in range(num_poly):
freq = dsp.randchoose(freqs)
if logistic:
pulsewidth = log.get(low=0.05, high=1)
if log.get() > 0.5:
wf = log.choose(['sine', 'tri', 'saw'])
wf = dsp.wavetable(wf, 512)
else:
points = [ log.get(-1, 1) for _ in range(log.geti(4, 20)) ]
wf = dsp.breakpoint(points, 512)
else:
pulsewidth = 1
wf = dsp.wavetable('sine', 512)
note = keys.pulsar(length=note_length, freq=freq, wf=wf, env='phasor', pulsewidth=pulsewidth)
notes += [ note ]
notes = dsp.mix(notes)
layer += notes
elapsed += dsp.flen(notes)
layers += [ layer ]
out = dsp.mix(layers)
out = dsp.amp(out, 0.75)
out = dsp.fill(out, length)
#out = dsp.pad(out, 0, int(dsp.stf(0.5, 1) * mpk.get(7)))
p.set('pointer', log.pointer)
if perc:
kicks = makeKicks(length, wobble)
hats = makeHats(length, wobble)
claps = makeClaps(length, wobble)
out = dsp.mix([ out, kicks, hats, claps ])
out = dsp.amp(out, mpk.get(8))
return out
def play(ctl):
p = ctl.get('param')
key = p.get('key', 'c')
mpk = ctl.get('midi').get('mpk')
bpm = p.get('bpm', 100)
beat = dsp.bpm2frames(bpm)
length = beat * 2 * mpk.geti(6, low=1, high=6)
gamut = mpk.geti(20)
poly = mpk.geti(21)
logistic = mpk.geti(22)
layered = mpk.geti(23)
fixed = mpk.get(24)
perc = mpk.get(25)
wobble = mpk.get(26)
min_octave = mpk.geti(4, low=1, high=4)
max_octave = mpk.geti(4, low=3, high=7)
octave = dsp.randint(min_octave, max_octave)
k = dsp.randchoose(snds.search('mc303/*kick*'))
h = dsp.randchoose(snds.search('mc303/*hat*'))
c = dsp.randchoose(snds.search('mc303/*clap*'))
pointer = p.get('pointer', default=0)
log = data.Logistic(r=dsp.rand(3.9, 3.99),
x=0.5,
size=1024,
pointer=pointer)
if fixed:
seed = mpk.get(5)
else:
seed = time.time()
dsp.seed(str(seed))
def makeOnsets(length, wobble, div, num_beats, offset=False):
if offset:
offset = dsp.randint(0, 3)
else:
offset = 0
pattern = dsp.eu(num_beats, dsp.randint(1, num_beats / div), offset)
dsp.log(pattern)
if wobble:
points = [dsp.mstf(100, 500) for _ in range(dsp.randint(2, 8))]
plength = sum(points)
mult = length / float(plength)
onsets = curves.bezier(points, num_beats)
onsets = [int(o * mult) for o in onsets]
else:
beat = float(length) / num_beats
num_beats = length / beat
beat = int(round(beat))
onsets = [beat * i for i in range(int(round(num_beats)))]
return onsets
def makeKicks(length, wobble):
out = Tracks()
onsets = makeOnsets(length, wobble, 2, 4, True)
kick = dsp.taper(k, 20)
kick = dsp.transpose(kick, dsp.rand(1, 2))
for onset in onsets:
out.add(kick, onset)
out = out.mix()
out = dsp.fill(out, length, silence=False)
return dsp.taper(out, 40)
def makeHats(length, wobble):
out = Tracks()
onsets = makeOnsets(length, wobble, 1, 16, True)
for onset in onsets:
out.add(h, onset)
out = out.mix()
out = dsp.split(out, dsp.flen(out) / dsp.randchoose([2, 3, 4]))
out = dsp.randshuffle(out)
out = ''.join(out)
out = dsp.fill(out, length, silence=False)
return dsp.taper(out, 40)
def makeClaps(length, wobble):
out = Tracks()
onsets = makeOnsets(length, wobble, 2, 8, True)
for onset in onsets:
clap = dsp.stretch(c,
int(dsp.flen(c) * log.get(1, 10)),
grain_size=dsp.randint(20, 120))
out.add(clap, onset)
out = out.mix()
out = dsp.split(out, dsp.flen(out) / dsp.randchoose([2, 3, 4]))
out = [dsp.taper(o, 20) for o in out]
out = dsp.randshuffle(out)
out = ''.join(out)
out = dsp.fill(out, length, silence=False)
return dsp.taper(out, 40)
if mpk.get(8) == 0:
return dsp.pad('', 0, dsp.mstf(100))
def randomScale():
scale = [1, 2, 3, 4, 5, 6, 7, 8]
freqs = tune.fromdegrees(scale, octave=octave, root=key)
return freqs
def gamutScale():
num_notes = dsp.randint(3, 6)
scale = [
dsp.randchoose([1, 2, 3, 4, 5, 6, 7, 8]) for _ in range(num_notes)
]
freqs = tune.fromdegrees(scale, octave=octave, root=key)
return freqs
if gamut:
freqs = gamutScale()
else:
freqs = randomScale()
if layered:
num_layers = dsp.randint(2, 4)
else:
num_layers = 1
layers = []
for _ in range(num_layers):
layer = ''
elapsed = 0
while elapsed < length:
if poly:
num_poly = dsp.randint(1, 3)
else:
num_poly = 1
note_length = beat / dsp.randchoose([1, 2, 3, 4])
notes = []
for _ in range(num_poly):
freq = dsp.randchoose(freqs)
if logistic:
pulsewidth = log.get(low=0.05, high=1)
if log.get() > 0.5:
wf = log.choose(['sine', 'tri', 'saw'])
wf = dsp.wavetable(wf, 512)
else:
points = [
log.get(-1, 1) for _ in range(log.geti(4, 20))
]
wf = dsp.breakpoint(points, 512)
else:
pulsewidth = 1
wf = dsp.wavetable('sine', 512)
note = keys.pulsar(length=note_length,
freq=freq,
wf=wf,
env='phasor',
pulsewidth=pulsewidth)
notes += [note]
notes = dsp.mix(notes)
layer += notes
elapsed += dsp.flen(notes)
layers += [layer]
out = dsp.mix(layers)
out = dsp.amp(out, 0.75)
out = dsp.fill(out, length)
#out = dsp.pad(out, 0, int(dsp.stf(0.5, 1) * mpk.get(7)))
p.set('pointer', log.pointer)
if perc:
kicks = makeKicks(length, wobble)
hats = makeHats(length, wobble)
claps = makeClaps(length, wobble)
out = dsp.mix([out, kicks, hats, claps])
out = dsp.amp(out, mpk.get(8))
return out