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52 lines
2.6 KiB
52 lines
2.6 KiB
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class MidiState(object):
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"""Various data to keep track what midi in looks like currently"""
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def __init__(self):
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self.midiInIsActive = False
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self.ccState = {}
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for cc in range(0,127):
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self.ccState[cc] = None #start with undefined.
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self.firstActiveNote = None #for chord entry.
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self.cboxMidiPortUid = None #the INPUT midi in port. set in startMidiModule
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self.currentOutputMidiPortUid = None #set in self.setMidiThrough. This changes with the active track
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self.scene = cbox.Document.get_engine().new_scene()
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self.scene.clear()
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def toggleMidiIn(self):
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self.midiInIsActive = not self.midiInIsActive
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if self.midiInIsActive:
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#CachedTrackDuration is a dict and never cleared completely. So our midiIn will never get touched
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#We hope that nobody uses the PortUid as a track name by chance :)
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api.session.data.cachedTrackDurations[self.cboxMidiPortUid] = api.DINF
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else:
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api.session.data.cachedTrackDurations[self.cboxMidiPortUid] = 0
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finalizeRecordingBuffer()
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api.callbacksDatabase._prevailingBaseDurationChanged(api.session.data.cursor.prevailingBaseDuration)
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def updateCCState(self, ccNumber, ccValue):
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assert 0 <= ccValue <= 127
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self.ccState[ccNumber] = ccValue
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def setMidiThrough(self, cursorExport):
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"""
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Instruct the RT part to echo midi in directly to the connect output ports so we hear the current track with the tracks instrument.
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Added to the cursorChanged api callback"""
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if not self.currentOutputMidiPortUid == cursorExport["cboxMidiOutUuid"]: #most of the time this stays the same e.g. cursor left/right. we only care about up and down
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self.currentOutputMidiPortUid = cursorExport["cboxMidiOutUuid"]
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cbox.JackIO.route_midi_input(midiState.cboxMidiPortUid, cursorExport["cboxMidiOutUuid"])
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def startMidiModule(pApi):
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global api
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api = pApi
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#global midiState
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#midiState = MidiState()
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midiState.cboxMidiPortUid = cbox.JackIO.create_midi_input("in")
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cbox.JackIO.set_appsink_for_midi_input(midiState.cboxMidiPortUid, True) #This sounds like a program wide sink, but it is needed for every port.
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cbox.JackIO.route_midi_input(midiState.cboxMidiPortUid, midiState.scene.uuid)
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#midiState.currentOutputMidiPortUid = api.session.data.cursorExport()["cboxMidiOutUuid"] #TODO. Im cursor habn ich das deaktiviert.
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#api.callbacks.setCursor.append(midiState.setMidiThrough) #TODO. Das brauchen wir damit wir das verknüpfte instrument vom track hören.
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return processMidiIn
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