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midi example now registers callback on_midi

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onyx-and-iris 2023-06-23 17:50:16 +01:00
parent b81c4c4b97
commit 9ef89852de
1 changed files with 13 additions and 27 deletions
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36
examples/midi/__main__.py
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@ -2,25 +2,18 @@ import logging
import voicemeeterlib import voicemeeterlib
logging.basicConfig(level=logging.INFO) logging.basicConfig(level=logging.DEBUG)
class Observer: class App:
# leftmost M on korg nanokontrol2 in CC mode MIDI_BUTTON = 48 # leftmost M on korg nanokontrol2 in CC mode
MIDI_BUTTON = 48
MACROBUTTON = 0 MACROBUTTON = 0
def __init__(self, vm): def __init__(self, vm):
self.vm = vm self.vm = vm
self.vm.subject.add(self) self.vm.observer.add(self.on_midi)
def on_update(self, subject): def on_midi(self):
"""
We expect to only receive midi updates.
We could skip subject check but check anyway, in case an event is added later.
"""
if subject == "midi":
self.get_info() self.get_info()
self.on_midi_press() self.on_midi_press()
@ -29,35 +22,28 @@ class Observer:
print(f"Value of midi button {current} is {self.vm.midi.get(current)}") print(f"Value of midi button {current} is {self.vm.midi.get(current)}")
def on_midi_press(self): def on_midi_press(self):
""" """if strip 3 level max > -40 and midi button 48 is pressed, then set trigger for macrobutton 0"""
checks if strip 3 level postfader mode is greater than -40
checks if midi button 48 velocity is 127 (full velocity for button press).
"""
if ( if (
max(self.vm.strip[3].levels.postfader) > -40 max(self.vm.strip[3].levels.postfader) > -40
and self.vm.midi.get(self.MIDI_BUTTON) == 127 and self.vm.midi.get(self.MIDI_BUTTON) == 127
): ):
print( print(
f"Strip 3 level is greater than -40 and midi button {self.MIDI_BUTTON} is pressed" f"Strip 3 level max is greater than -40 and midi button {self.MIDI_BUTTON} is pressed"
) )
self.vm.button[self.MACROBUTTON].trigger = True self.vm.button[self.MACROBUTTON].trigger = True
else: else:
self.vm.button[self.MACROBUTTON].trigger = False self.vm.button[self.MACROBUTTON].trigger = False
self.vm.button[self.MACROBUTTON].state = False
def main(): def main():
kind_id = "banana" KIND_ID = "banana"
# we only care about midi events here. with voicemeeterlib.api(KIND_ID, midi=True) as vm:
subs = {ev: False for ev in ["pdirty", "mdirty"]} App(vm)
with voicemeeterlib.api(kind_id, subs=subs) as vm:
obs = Observer(vm)
while cmd := input("Press <Enter> to exit\n"): while cmd := input("Press <Enter> to exit\n"):
if not cmd: pass
break
if __name__ == "__main__": if __name__ == "__main__":