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"""
Demo script for showing how GUI classes from pyo can be used to build
audio programs with graphical interface.
"""
import wx, time, random
from pyo import *
NCHNLS = 2
server = Server(nchnls=NCHNLS).boot()
server.start()
### A basic audio process ###
snd = SndTable([SNDS_PATH + "/transparent.aif"] * NCHNLS)
m = Metro(0.125, poly=1).play()
am = Iter(m, [1, 0, 0, 0] * 4)
t2 = ExpTable([(0, 1), (4096, 10), (8191, 10)], exp=4)
q = TrigEnv(m, t2, m.time)
pos = TrigLinseg(m, [(0.0, 0.0), (m.time, 1, 0)])
n = Pointer(snd, pos, mul=am)
fr = SigTo(1000, time=0.05, init=1000)
f = ButBP(n, freq=fr, q=q).out()
# pa = PeakAmp(f)
sp = Spectrum(f)
sc = Scope(f)
class MyFrame(wx.Frame):
def __init__(self, parent, title, pos=(50, 50), size=(1000, 700)):
wx.Frame.__init__(self, parent, -1, title, pos, size)
self.Bind(wx.EVT_CLOSE, self.on_quit)
self.panel = wx.Panel(self)
vmainsizer = wx.BoxSizer(wx.VERTICAL)
mainsizer = wx.BoxSizer(wx.HORIZONTAL)
leftbox = wx.BoxSizer(wx.VERTICAL)
midbox = wx.BoxSizer(wx.VERTICAL)
rightbox = wx.BoxSizer(wx.VERTICAL)
### PyoGuiControlSlider - logarithmic scale ###
sizer1 = self.createFreqSlider()
### PyoGuiControlSlider - dB scale & VuMeter ###
sizer2 = self.createOutputBox()
### PyoGuiGrapher - Filter's Q automation ###
sizer3 = self.createGrapher()
### PyoGuiMultiSlider - Step Sequencer ###
sizer4 = self.createMultiSlider()
### PyoGuiSpectrum - Frequency display ###
sizer5 = self.createSpectrum()
### PyoGuiScope - oscilloscope display ###
sizer6 = self.createScope()
### PyoGuiSndView - Soundfile display ###
sizer7 = self.createSndView()
keyboard = PyoGuiKeyboard(self.panel)
keyboard.Bind(EVT_PYO_GUI_KEYBOARD, self.onMidiNote)
leftbox.Add(sizer1, 0, wx.ALL | wx.EXPAND, 5)
leftbox.Add(sizer3, 1, wx.ALL | wx.EXPAND, 5)
leftbox.Add(sizer4, 1, wx.ALL | wx.EXPAND, 5)
midbox.Add(sizer5, 1, wx.ALL | wx.EXPAND, 5)
midbox.Add(sizer6, 1, wx.ALL | wx.EXPAND, 5)
rightbox.Add(sizer2, 1, wx.ALL | wx.EXPAND, 5)
mainsizer.Add(leftbox, 1, wx.ALL | wx.EXPAND, 5)
mainsizer.Add(midbox, 1, wx.ALL | wx.EXPAND, 5)
mainsizer.Add(rightbox, 0, wx.ALL | wx.EXPAND, 5)
vmainsizer.Add(mainsizer, 1, wx.ALL | wx.EXPAND, 5)
vmainsizer.Add(sizer7, 1, wx.ALL | wx.EXPAND, 5)
vmainsizer.Add(keyboard, 0, wx.ALL | wx.EXPAND, 5)
self.panel.SetSizerAndFit(vmainsizer)
def on_quit(self, evt):
server.stop()
time.sleep(0.25)
self.Destroy()
def onMidiNote(self, evt):
print("Pitch: %d" % evt.value[0])
print("Velocity: %d" % evt.value[1])
def createFreqSlider(self):
sizer = wx.BoxSizer(wx.VERTICAL)
label = wx.StaticText(self.panel, -1, "PyoGuiControlSlider: filter's center frequency (log scale)")
sizer.Add(label, 0, wx.CENTER | wx.ALL, 5)
self.freq = PyoGuiControlSlider(
parent=self.panel,
minvalue=20,
maxvalue=20000,
init=1000,
pos=(0, 0),
size=(200, 16),
log=True,
integer=False,
powoftwo=False,
orient=wx.HORIZONTAL,
)
# print(self.freq.getRange())
# print(self.freq.isPowOfTwo())
self.freq.Bind(EVT_PYO_GUI_CONTROL_SLIDER, self.changeFreq)
sizer.Add(self.freq, 0, wx.ALL | wx.EXPAND, 5)
return sizer
def createOutputBox(self):
sizer = wx.BoxSizer(wx.VERTICAL)
label = wx.StaticText(self.panel, -1, "dB slider - PyoGuiVuMeter")
sizer.Add(label, 0, wx.CENTER | wx.ALL, 5)
sizer1 = wx.BoxSizer(wx.HORIZONTAL)
self.amp = PyoGuiControlSlider(
parent=self.panel,
minvalue=-60,
maxvalue=18,
init=-12,
pos=(0, 0),
size=(200, 16),
log=False,
integer=False,
powoftwo=False,
orient=wx.VERTICAL,
)
self.amp.Bind(EVT_PYO_GUI_CONTROL_SLIDER, self.changeGain)
self.meter = PyoGuiVuMeter(
parent=self.panel, nchnls=NCHNLS, pos=(0, 0), size=(5 * NCHNLS, 200), orient=wx.VERTICAL, style=0,
)
self.meter.setNchnls(8)
# Register the VuMeter in the Server object.
server.setMeter(self.meter)
# or register its `setRms` method in a PeakAmp object.
# pa.setFunction(self.meter.setRms)
sizer1.Add(self.amp, 0, wx.ALL | wx.EXPAND, 5)
sizer1.Add(self.meter, 0, wx.ALL | wx.EXPAND, 5)
sizer.Add(sizer1, 1, wx.CENTER | wx.ALL, 5)
return sizer
def createGrapher(self):
sizer = wx.BoxSizer(wx.VERTICAL)
label = wx.StaticText(self.panel, -1, "PyoGuiGrapher: Filter's Q automation")
sizer.Add(label, 0, wx.CENTER | wx.ALL, 5)
self.graph = PyoGuiGrapher(
parent=self.panel,
xlen=8192,
yrange=(1.0, 10.0),
init=[(0.0, 0.0), (1.0, 1.0)],
mode=2,
exp=t2.exp,
inverse=True,
tension=0.75,
bias=8.0,
size=(300, 100),
style=0,
)
self.graph.setValues(t2.getPoints())
self.graph.setYrange((0.1, 20))
self.graph.setInverse(False)
self.graph.Bind(EVT_PYO_GUI_GRAPHER, self.changeGraph)
sizer.Add(self.graph, 1, wx.ALL | wx.EXPAND, 5)
return sizer
def createMultiSlider(self):
sizer = wx.BoxSizer(wx.VERTICAL)
label = wx.StaticText(self.panel, -1, "PyoGuiMultiSlider: Step Sequencer")
sizer.Add(label, 0, wx.CENTER | wx.ALL, 5)
self.steps = PyoGuiMultiSlider(
parent=self.panel, xlen=16, yrange=(0, 1), init=[1, 0, 0, 0] * 4, size=(300, 100), style=0,
)
self.steps.setYrange((0, 2))
self.steps.setValues([random.uniform(0, 2) for i in range(16)])
self.steps.Bind(EVT_PYO_GUI_MULTI_SLIDER, self.changeSteps)
sizer.Add(self.steps, 1, wx.ALL | wx.EXPAND, 5)
return sizer
def createSpectrum(self):
sizer = wx.BoxSizer(wx.VERTICAL)
label = wx.StaticText(self.panel, -1, "PyoGuiSpectrum: Frequency display")
sizer.Add(label, 0, wx.CENTER | wx.ALL, 5)
self.spectrum = PyoGuiSpectrum(
parent=self.panel, lowfreq=0, highfreq=22050, fscaling=1, mscaling=1, size=(300, 150), style=0,
)
self.spectrum.setAnalyzer(sp)
sizer.Add(self.spectrum, 1, wx.ALL | wx.EXPAND, 5)
return sizer
def createScope(self):
sizer = wx.BoxSizer(wx.VERTICAL)
label = wx.StaticText(self.panel, -1, "PyoGuiScope: Oscilloscope display")
sizer.Add(label, 0, wx.CENTER | wx.ALL, 5)
self.scope = PyoGuiScope(parent=self.panel, length=0.05, gain=1, size=(300, 150), style=0)
self.scope.setAnalyzer(sc)
self.scope.setLength(0.05)
self.scope.setGain(0.67)
sizer.Add(self.scope, 1, wx.ALL | wx.EXPAND, 5)
return sizer
def createSndView(self):
sizer = wx.BoxSizer(wx.VERTICAL)
label = wx.StaticText(self.panel, -1, "PyoGuiSndView: Soundfile display")
sizer.Add(label, 0, wx.CENTER | wx.ALL, 5)
self.sndview = PyoGuiSndView(parent=self.panel, size=(300, 200), style=0)
self.sndview.setTable(snd)
self.sndview.setSelection(0.51, 0.76)
self.sndview.Bind(EVT_PYO_GUI_SNDVIEW_MOUSE_POSITION, self.mousePos)
self.sndview.Bind(EVT_PYO_GUI_SNDVIEW_SELECTION, self.sndSelection)
sizer.Add(self.sndview, 1, wx.ALL | wx.EXPAND, 5)
return sizer
def changeFreq(self, evt):
fr.value = evt.value
def changeGain(self, evt):
am.mul = pow(10, evt.value * 0.05)
def changeGraph(self, evt):
t2.replace(evt.value)
def changeSteps(self, evt):
am.setChoice(evt.value)
def mousePos(self, evt):
print((evt.value))
def sndSelection(self, evt):
pos.replace([(0.0, evt.value[0]), (m.time, evt.value[1])])
app = wx.App(False)
mainFrame = MyFrame(None, title="Test Pyo GUI objects")
mainFrame.Show()
app.MainLoop()
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