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from midi_wrapper_mido import MidiWrapper
class MidiController:
DEVICE_NAME = "Launchpad Mini MIDI 1"
def __init__(self, soloTool, midiWrapperOverride=None):
self._soloTool = soloTool
if midiWrapperOverride is not None:
self._midiWrapper = midiWrapperOverride
else:
self._midiWrapper = MidiWrapper()
self._handlers = {
96 : self._soloTool.stop,
112 : self._playPause,
101 : self._soloTool.jumpToA,
102 : self._soloTool.previousStoredAbLimits,
103 : self._soloTool.nextStoredAbLimits,
118 : self._soloTool.previousSong,
119 : self._soloTool.nextSong
}
for i in range(0, 8):
volume = round(0.125 + i * 0.125, 3)
self._handlers[i] = self._createSetPlaybackVolumeCallback(volume)
for i in range(16, 24):
rate = round(0.5 + (i - 16) * 0.1, 1)
self._handlers[i] = self._createSetPlaybackRateCallback(rate)
def connect(self):
self._midiWrapper.connect(MidiController.DEVICE_NAME)
self._midiWrapper.setCallback(self._callback)
def _callback(self, msg):
if msg.velocity < 127:
return
if msg.note in self._handlers:
handler = self._handlers[msg.note]()
def _playPause(self):
if self._soloTool.isPlaying():
self._soloTool.pause()
else:
self._soloTool.play()
def _createSetPlaybackRateCallback(self, rate):
def f():
self._soloTool.setPlaybackRate(rate)
return f
def _createSetPlaybackVolumeCallback(self, volume):
def f():
self._soloTool.setPlaybackVolume(volume)
return f
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