""" 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()