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65 lines
1.8 KiB
Python
65 lines
1.8 KiB
Python
import voicemeeterlib
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class Observer:
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def __init__(self, vm, midi_btn, macrobutton):
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self.vm = vm
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self.midi_btn = midi_btn
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self.macrobutton = macrobutton
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def register(self):
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self.vm.subject.add(self)
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def on_update(self, subject):
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"""
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We expect to only receive midi updates.
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We could skip subject check but check anyway, in case an event is added later.
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"""
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if subject == "midi":
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self.get_info()
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self.on_midi_press()
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def get_info(self):
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current = self.vm.midi.current
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print(f"Value of midi button {current} is {self.vm.midi.get(current)}")
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def on_midi_press(self):
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"""
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checks if strip 3 level postfader mode is greater than -40
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checks if midi button 48 velocity is 127 (full velocity for button press).
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"""
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if (
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max(self.vm.strip[3].levels.postfader) > -40
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and self.vm.midi.get(self.midi_btn) == 127
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):
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print(
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f"Strip 3 level is greater than -40 and midi button {self.midi_btn} is pressed"
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)
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self.vm.button[self.macrobutton].trigger = True
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else:
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self.vm.button[self.macrobutton].trigger = False
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self.vm.button[self.macrobutton].state = False
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def main():
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# we only care about midi events here.
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subs = {ev: False for ev in ["pdirty", "mdirty", "ldirty"]}
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with voicemeeterlib.api(kind_id, subs=subs) as vm:
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obs = Observer(vm, midi_btn, macrobutton)
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obs.register()
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while cmd := input("Press <Enter> to exit\n"):
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if not cmd:
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break
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if __name__ == "__main__":
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kind_id = "banana"
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# leftmost M on korg nanokontrol2 in CC mode
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midi_btn = 48
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macrobutton = 0
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main()
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