def _setup_modes(self): self._monomod_mode = MonomodModeComponent(self) self._monomod_mode.name = 'Monomod_Mode' self._monomod_mode.update = self._mod_mode_update #self._monomod_mode.set_mode_toggle(self._livid) self.set_shift_button(self._livid) self._shift_mode = ShiftModeComponent(self, self._shift_update) self._shift_mode.name = 'Shift_Mode' self._shift_mode.set_mode_buttons(tuple([self._row_button[0], self._row_button[1], self._row_button[2], self._row_button[3]]))
def _setup_monomod(self):
self._host = MonomodComponent(self)
self._host.name = 'Monomod_Host'
self.hosts = [self._host]
self._monomod = ButtonMatrixElement()
self._monomod.name = 'Monomod'
for row in range(5):
button_row = []
for column in range(8):
button_row.append(self._matrix.get_button(column, row))
self._monomod.add_row(tuple(button_row))
self._monomod.add_row(tuple(self._track_stop_buttons))
self._monomod.add_row(tuple(self._select_buttons))
self._monomod.add_row(tuple(self._solo_buttons))
self._monomod_mode = MonomodModeComponent(self._monomod_mode_update,
self)
self._monomod_mode.name = "Monomod_Mode_Component"
class Codec(ControlSurface):
__module__ = __name__
__doc__ = " MonoCode controller script "
def __init__(self, c_instance):
"""everything except the '_on_selected_track_CHANNELged' override and 'disconnect' runs from here"""
ControlSurface.__init__(self, c_instance)
self.set_suppress_rebuild_requests(
True
) # Turn off rebuild MIDI map until after we're done setting up
self._monomod_version = 'b995'
self._version_check = 'b995'
self._host_name = 'Codec'
self._color_type = 'Monochrome'
self._link_mixer = LINK_MIXER
self.log_message('<<<<<<<<<<<<<<<<<<<<<<<<< Codec ' +
str(self._monomod_version) +
' log opened >>>>>>>>>>>>>>>>>>>>>>>>>')
self._hosts = []
self._linked_script = None
self._local_ring_control = True
self.set_local_ring_control(1)
self._setup_controls()
self._last_device = None
self._device_list = [None, None, None, None]
self._device_select_buttons = None
self._last_device_component = None
self._timer = 0
self._touched = 0
self._locked = False
self.flash_status = 1
self._shift_button = None
self._shift_pressed = 0
self._shift_pressed_timer = 0
self._shift_thresh = SHIFT_THRESH
self._use_device_selector = USE_DEVICE_SELECTOR
self._device_selection_follows_track_selection = FOLLOW
self.set_suppress_rebuild_requests(
False) #Turn rebuild back on, now that we're done setting up
self.song().view.add_selected_track_listener(
self._update_selected_device)
self.show_message('Codec Control Surface Loaded')
#self.local_ring_control(True)
#self.set_absolute_mode(True)
self._setup_monobridge()
self._setup_device_controls()
self._setup_special_device_control()
self._device.append(
self._special_device
) #necessary for device browsing to work with special device
self._setup_device_chooser()
self._setup_mixer_controls()
self._setup_monomod()
self._setup_modes()
self._setup_device_selector()
self._setup_send_reset()
self._setup_default_buttons()
self._initialize_code()
self.request_rebuild_midi_map()
#Monomodular.create_instance(c_instance)
#self._setup_disconnect()
"""script initialization methods"""
def _initialize_code(self):
self._send_midi(factoryreset)
self._send_midi(btn_channels)
self._send_midi(enc_channels)
#pass
def _setup_monobridge(self):
self._monobridge = MonoBridgeElement(self)
self._monobridge.name = 'MonoBridge'
def _setup_controls(self):
is_momentary = True
self._livid = FlashingButtonElement(is_momentary, MIDI_NOTE_TYPE,
CHANNEL, LIVID, 'Livid_Button',
self)
self._dial = [None for index in range(8)]
for column in range(8):
self._dial[column] = [None for index in range(4)]
for row in range(4):
self._dial[column][row] = CodecEncoderElement(
MIDI_CC_TYPE, CHANNEL, CODE_DIALS[row][column],
Live.MidiMap.MapMode.absolute,
'Dial_' + str(column) + '_' + str(row),
(column + (row * 8)), self) #CODE_DIALS[row][column]
self._button = [None for index in range(8)]
for column in range(8):
self._button[column] = [None for index in range(4)]
for row in range(4):
self._button[column][row] = FlashingButtonElement(
is_momentary, MIDI_NOTE_TYPE, CHANNEL,
CODE_BUTTONS[row][column],
'Button_' + str(column) + '_' + str(row), self)
self._column_button = [None for index in range(8)]
for index in range(8):
self._column_button[index] = FlashingButtonElement(
is_momentary, MIDI_NOTE_TYPE, CHANNEL,
CODE_COLUMN_BUTTONS[index], 'Column_Button_' + str(index),
self)
self._row_button = [None for index in range(4)]
for index in range(4):
self._row_button[index] = FlashingButtonElement(
is_momentary, MIDI_NOTE_TYPE, CHANNEL, CODE_ROW_BUTTONS[index],
'Row_Button_' + str(index), self)
self._dial_matrix = EncoderMatrixElement(self)
self._dial_matrix.name = 'Encoder_Matrix'
for row in range(4):
dial_row = tuple([self._dial[column][row] for column in range(8)])
self._dial_matrix.add_row(dial_row)
self._button_matrix = ButtonMatrixElement()
self._button_matrix.name = 'Button_Matrix'
for row in range(4):
button_row = [self._button[column][row] for column in range(8)]
button_row.append(self._row_button[row])
self._button_matrix.add_row(tuple(button_row))
self._button_matrix.add_row(tuple(self._column_button + [self._livid]))
def _setup_modes(self):
self._monomod_mode = MonomodModeComponent(self)
self._monomod_mode.name = 'Monomod_Mode'
self._monomod_mode.update = self._mod_mode_update
#self._monomod_mode.set_mode_toggle(self._livid)
self.set_shift_button(self._livid)
self._shift_mode = ShiftModeComponent(self, self._shift_update)
self._shift_mode.name = 'Shift_Mode'
self._shift_mode.set_mode_buttons(
tuple([
self._row_button[0], self._row_button[1], self._row_button[2],
self._row_button[3]
]))
def _setup_transport_control(self):
self._transport = TransportComponent()
self._transport.name = 'Transport'
def _setup_monomod(self):
self._host = MonomodComponent(self)
self._host.name = 'Monomod_Host'
self._host._set_dial_matrix(self._dial_matrix, self._button_matrix)
self.hosts = [self._host]
encs = []
for row in range(4):
for col in range(8):
encs.append(self._dial[col][row])
self._host._set_parameter_controls(encs)
def _setup_mixer_controls(self):
is_momentary = True
self._num_tracks = (8)
self._session = SessionComponent(self._num_tracks, 0)
self._session.name = 'Session'
self._mixer = MixerComponent(self._num_tracks, 0, False, False)
self._mixer.name = 'Mixer'
self._mixer._next_track_value = self._mixer_next_track_value(
self._mixer)
self._mixer._prev_track_value = self._mixer_prev_track_value(
self._mixer)
self._mixer.set_track_offset(
0) #Sets start point for mixer strip (offset from left)
#for index in range(8):
#use the bottom row of encoders for volume, so add 24 to offset the index
# self._mixer.channel_strip(index).set_volume_control(self._dial[index+24])
for index in range(8):
self._mixer.channel_strip(
index).name = 'Mixer_ChannelStrip_' + str(index)
self._mixer.channel_strip(index)._invert_mute_feedback = True
self._mixer.channel_strip(
index)._mute_value = self._channelstrip_mute_value(
self._mixer.channel_strip(index))
self._mixer.channel_strip(
index)._solo_value = self._channelstrip_solo_value(
self._mixer.channel_strip(index))
#mixer.channel_strip(index).set_select_button(ButtonElement(is_momentary, MIDI_NOTE_TYPE, CH, track_select_notes[index]))
self.song().view.selected_track = self._mixer.channel_strip(
0
)._track #set the selected strip to the first track, so that we don't, for example, try to assign a button to arm the master track, which would cause an assertion error
self._session.set_mixer(self._mixer)
def _setup_device_controls(self):
self._device = [None for index in range(4)]
for index in range(4):
self._device[index] = CodecDeviceComponent(self)
self._device[index].name = 'CodecDevice_Component_' + str(index)
device_param_controls = []
for control in range(8):
device_param_controls.append(self._dial[control][index])
self._device[index].set_on_off_button(self._button[1][index])
self._device[index].set_lock_button(self._button[2][index])
self._device[index].set_bank_nav_buttons(self._button[4][index],
self._button[5][index])
self._device[index].set_nav_buttons(self._button[6][index],
self._button[7][index])
self._device[index].set_parameter_controls(
tuple(device_param_controls))
self.set_device_component(self._device[0])
self._last_device_component = self._device[0]
def _setup_special_device_control(self):
self._special_device = SpecialCodecDeviceComponent(self)
self._special_device.name = 'SpecialCodecDeviceComponent'
self._special_device.set_on_off_button(self._button[1][0])
self._special_device.set_lock_button(self._button[2][0])
self._special_device.set_bank_nav_buttons(self._button[4][0],
self._button[5][0])
self._special_device.set_nav_buttons(self._button[6][0],
self._button[7][0])
device_param_controls = []
for row in range(4):
for column in range(8):
device_param_controls.append(self._dial[column][row])
self._special_device.set_parameter_controls(
tuple(device_param_controls))
def _setup_device_chooser(self):
self._selected_device = self._device[0]
self._last_selected_device = self._device[0]
self._device_select_buttons = [
self._button[0][index] for index in range(4)
]
for button in self._device_select_buttons:
button.add_value_listener(self._device_select_value, True)
def _setup_device_selector(self):
self._device_selector = CodecDeviceSelectorComponent(
self, 'c', self._device + [self._special_device])
self._device_selector.name = 'Device_Selector'
self._device_selector.set_mode_buttons(self._column_button)
#self._device_selector.set_mode_toggle(self._livid)
def _setup_send_reset(self):
self._send_reset = CodecResetSendsComponent(self)
self._send_reset.set_buttons(self._button)
def _setup_default_buttons(self):
self._value_default = ParameterDefaultComponent(self)
buttons = []
dials = []
for column in self._button:
for button in column:
buttons.append(button)
for column in self._dial:
for dial in column:
dials.append(dial)
self._value_default.set_buttons(buttons)
self._value_default.set_dials(dials)
"""multiple device support"""
def _device_select_value(self, value, sender):
#self.log_message('device_select_value ' + str(value) + ' ' + str(self._device_select_buttons.index(sender)))
if not self._shift_pressed:
if sender.is_momentary or value > 0:
if self._shift_mode._mode_index == 2:
self.set_device_component(self._device[
self._device_select_buttons.index(sender)])
self._last_device_component = self._device_component
if self._device_component != None and isinstance(
self._device_component._device,
Live.Device.Device):
if self._device_component.find_track(
self._device_component._device) == self.song(
).view.selected_track:
self._device_component.display_device()
"""livid double press mechanism"""
def set_shift_button(self, button):
assert ((button == None)
or (isinstance(button, FlashingButtonElement)))
if self._shift_button != None:
self._shift_button.remove_value_listener(self._shift_value)
self._shift_button = button
if self._shift_button != None:
self._shift_button.add_value_listener(self._shift_value)
def _shift_value(self, value):
self._shift_pressed = int(value != 0)
if self._shift_pressed > 0:
self._send_midi(SLOWENCODER)
if (self._shift_pressed_timer + self._shift_thresh) > self._timer:
#if(self._host.is_enabled() != True)
self._monomod_mode.set_mode(
abs(self._monomod_mode._mode_index - 1))
#else:
# self._monomod_mode.set_mode(0)
self._shift_pressed_timer = self._timer % 256
else:
self._send_midi(NORMALENCODER)
def _mod_mode_update(self):
if (self._monomod_mode._mode_index == 0):
self._host._set_shift_button(None)
self._host.set_enabled(False)
self._dial_matrix.reset()
self._shift_mode.set_enabled(True)
self._shift_update()
self.request_rebuild_midi_map()
self._livid.turn_off()
elif (self._monomod_mode._mode_index == 1):
self._shift_mode.set_enabled(False)
self._deassign_all()
self._dial_matrix.reset()
self._button_matrix.reset()
self._livid.turn_on()
if not self._host._active_client == None:
self._host.set_enabled(True)
self._host._set_shift_button(self._livid)
else:
self._assign_alternate_mappings(1)
self.request_rebuild_midi_map()
"""Mode Functions"""
def _shift_update(self):
if (self._shift_mode.is_enabled()):
self.allow_updates(False)
if (not self._in_build_midi_map):
self.set_suppress_rebuild_requests(True)
self._deassign_all()
if (self._shift_mode._mode_index is 0):
self._assign_volume()
elif (self._shift_mode._mode_index is 1):
self._assign_sends()
elif (self._shift_mode._mode_index is 2):
self._assign_devices()
elif (self._shift_mode._mode_index is 3):
self._assign_special_device()
for index in range(self._shift_mode.number_of_modes()):
if index == self._shift_mode._mode_index:
self._shift_mode._modes_buttons[index].turn_on()
else:
self._shift_mode._modes_buttons[index].turn_off()
self.allow_updates(True)
self.set_suppress_rebuild_requests(False)
self.request_rebuild_midi_map()
def _deassign_all(self):
self._assign_alternate_mappings(0)
self._device_selector.set_enabled(False)
for index in range(8):
self._mixer.channel_strip(index).set_volume_control(None)
self._mixer.channel_strip(index).set_pan_control(None)
self._mixer.channel_strip(index).set_send_controls(
tuple([None, None, None, None]))
for index in range(4):
self._device[index].set_enabled(False)
self._device[index]._parameter_controls = None
#self._device_navigator[index].set_enabled(False)
self._special_device.set_enabled(False)
self._special_device._parameter_controls = None
self._device_selector.set_enabled(False)
self._deassign_buttons()
for control in self.controls:
control.reset()
self.request_rebuild_midi_map()
def _deassign_buttons(self):
for index in range(8):
self._mixer.channel_strip(index).set_select_button(None)
self._mixer.channel_strip(index).set_solo_button(None)
self._mixer.channel_strip(index).set_mute_button(None)
self._mixer.set_select_buttons(None, None)
self._send_reset.set_enabled(False)
def _assign_volume(self):
for index in range(8):
self._mixer.channel_strip(index).set_volume_control(
self._dial[index][3])
self._mixer.channel_strip(index).set_pan_control(
self._dial[index][2])
self._mixer.channel_strip(index).set_send_controls(
tuple([self._dial[index][0], self._dial[index][1]]))
self._mixer.channel_strip(index).set_select_button(
self._column_button[index])
self._mixer.channel_strip(index).set_solo_button(
self._button[index][2])
self._mixer.channel_strip(index).set_mute_button(
self._button[index][3])
self._mixer.set_select_buttons(self._button[7][0], self._button[6][0])
def _assign_sends(self):
for index in range(8):
self._mixer.channel_strip(index).set_send_controls(
tuple([
self._dial[index][0], self._dial[index][1],
self._dial[index][2], self._dial[index][3]
]))
self._mixer.channel_strip(index).set_select_button(
self._column_button[index])
self._send_reset.set_enabled(True)
def _assign_devices(self):
self.set_device_component(self._last_device_component)
self._device_select_value(
1, self._device_select_buttons[self._device.index(
self._device_component)])
for index in range(4):
device_param_controls = []
for control in range(8):
device_param_controls.append(self._dial[control][index])
self._device[index].set_parameter_controls(
tuple(device_param_controls))
self._device[index].set_enabled(True)
self._device_selector.set_enabled(self._use_device_selector)
if not self._use_device_selector:
for index in range(8):
self._mixer.channel_strip(index).set_select_button(
self._column_button[index])
def _assign_special_device(self):
self.set_device_component(self._special_device)
device_param_controls = []
for row in range(4):
for column in range(8):
device_param_controls.append(self._dial[column][row])
self._special_device.set_parameter_controls(
tuple(device_param_controls))
self._special_device.set_enabled(True)
self._device_selector.set_enabled(self._use_device_selector)
if not self._use_device_selector:
for index in range(8):
self._mixer.channel_strip(index).set_select_button(
self._column_button[index])
def _assign_alternate_mappings(self, chan):
for column in self._dial:
for control in column:
control.set_channel(chan)
control.set_enabled(chan is 0)
for column in self._button:
for control in column:
control.set_channel(chan)
control.set_enabled(chan is 0)
for control in self._column_button:
control.set_channel(chan)
control.set_enabled(chan is 0)
for control in self._row_button:
control.set_channel(chan)
control.set_enabled(chan is 0)
"""general functionality"""
def disconnect(self):
"""clean things up on disconnect"""
if not self._shift_button is None:
if self._shift_button.value_has_listener(self._shift_value):
self._shift_button.remove_value_listener(self._shift_value)
for button in self._device_select_buttons:
if button.value_has_listener(self._device_select_value):
button.remove_value_listener(self._device_select_value)
if self._session._is_linked():
self._session._unlink()
self.song().view.remove_selected_track_listener(
self._update_selected_device)
"""for cs in self._control_surfaces():
for host in self._hosts:
self.log_message('installed: ' + str(cs) + ' vs. ' + str(host))
if str(type(cs)) == str(type(host)):
self.log_message('disconnecting: ' + str(type(cs)))
cs.disconnect(cs)"""
#self._host._set_parameter_controls(None)
self._hosts = []
if self._linked_script != None:
self._linked_script._update_linked_device_selection = None
self._linked_script = None
#self._disconnect_notifier.set_mode(0)
self.log_message(
'<<<<<<<<<<<<<<<<<<<<<<<<< Codec log closed >>>>>>>>>>>>>>>>>>>>>>>>>'
)
ControlSurface.disconnect(self)
return None
def connect_script_instances(self, instanciated_scripts):
found = False
for s in instanciated_scripts:
if '_codec_version' in dir(s):
if s._codec_version == self._version_check:
if s._host_name == ('MonOhm'):
self.log_message('found codec version ' +
str(s._codec_version) +
' in script ' + str(s._host_name))
found = True
self._linked_script = s
self._linked_script._update_linked_device_selection = self._update_linked_device_selection
if not self._session._is_linked(
) and self._link_mixer is True:
self._session.set_offsets(LINK_OFFSET[0],
LINK_OFFSET[1])
self._session._link()
else:
self.log_message('version mismatch: Monomod version ' +
str(self._version_check) +
' vs. Host version ' +
str(s._codec_version))
if found == False:
for s in instanciated_scripts:
if '_codec_version' in dir(s):
if s._codec_version == self._version_check:
if s._host_name == 'BlockMod':
self.log_message('found codec version ' +
str(s._codec_version) +
' in script ' + str(s._host_name))
self._linked_script = s
self._linked_script._update_linked_device_selection = self._update_linked_device_selection
if not self._session._is_linked(
) and self._link_mixer is True:
self._session.set_offsets(LINK_OFFSET[0],
LINK_OFFSET[1])
self._session._link()
else:
self.log_message('version mismatch: Monomod version ' +
str(self._version_check) +
' vs. Host version ' +
str(s._codec_version))
#self.log_message('hosts: ' + str(self._hosts))"""
def update_display(self):
ControlSurface.update_display(
self
) #since we are overriding this from the inherited method, we need to call the original routine as well
self._timer = (self._timer + 1) % 256
if (self._timer == 0):
self._shift_pressed_timer = -12
if (self._local_ring_control is False):
self.send_ring_leds()
self.flash()
def handle_sysex(self, midi_bytes):
#self._send_midi(tuple([240, 00, 01, 97, 04, 15, 01, 247]))
#response = [long(0),long(0)]
#self.log_message(response)
pass
def flash(self):
if (self.flash_status > 0):
for control in self.controls:
if isinstance(control, FlashingButtonElement):
control.flash(self._timer)
def send_ring_leds(self):
leds = [240, 0, 1, 97, 4, 31]
for column in range(8):
for row in range(4):
wheel = self._dial[column][row]
bytes = wheel._get_ring()
leds.append(bytes[0])
leds.append(int(bytes[1]) + int(bytes[2]))
#if(row == 1 and column == 0):
# self.log_message(str(leds) + ' ' + str(bytes[0]) + ' ' + str(bytes[1]) + ' ' + str(bytes[2]))
leds.append(247)
self._send_midi(tuple(leds))
def set_absolute_mode(self, val=1):
self._absolute_mode = (val != 0)
if self._absolute_mode is True:
self._send_midi(
tuple([240, 0, 1, 97, 4, 17, 0, 0, 0, 0, 0, 0, 0, 0, 247]))
else:
self._send_midi(
tuple([
240, 0, 1, 97, 4, 17, 127, 127, 127, 127, 127, 127, 127,
127, 247
]))
def set_local_ring_control(self, val=1):
self._local_ring_control = (val != 0)
if (self._local_ring_control is True):
#self._send_midi(tuple([240, 0, 1, 97, 4, 32, 0, 247]))
self._send_midi(tuple([240, 0, 1, 97, 4, 8, 72, 247]))
else:
#self._send_midi(tuple([240, 0, 1, 97, 4, 32, 1, 247]))
self._send_midi(tuple([240, 0, 1, 97, 4, 8, 64, 247]))
def device_follows_track(self, val):
self._device_selection_follows_track_selection = (val == 1)
return self
"""m4l bridge"""
def generate_strip_string(self, display_string):
NUM_CHARS_PER_DISPLAY_STRIP = 12
if (not display_string):
return (' ' * NUM_CHARS_PER_DISPLAY_STRIP)
if ((len(display_string.strip()) > (NUM_CHARS_PER_DISPLAY_STRIP - 1))
and (display_string.endswith('dB') and
(display_string.find('.') != -1))):
display_string = display_string[:-2]
if (len(display_string) > (NUM_CHARS_PER_DISPLAY_STRIP - 1)):
for um in [' ', 'i', 'o', 'u', 'e', 'a']:
while ((len(display_string) >
(NUM_CHARS_PER_DISPLAY_STRIP - 1))
and (display_string.rfind(um, 1) != -1)):
um_pos = display_string.rfind(um, 1)
display_string = (display_string[:um_pos] +
display_string[(um_pos + 1):])
else:
display_string = display_string.center(
(NUM_CHARS_PER_DISPLAY_STRIP - 1))
ret = u''
for i in range((NUM_CHARS_PER_DISPLAY_STRIP - 1)):
if ((ord(display_string[i]) > 127)
or (ord(display_string[i]) < 0)):
ret += ' '
else:
ret += display_string[i]
ret += ' '
assert (len(ret) == NUM_CHARS_PER_DISPLAY_STRIP)
return ret
def notification_to_bridge(self, name, value, sender):
if (isinstance(sender, CodecEncoderElement)):
self._monobridge._send(sender.name, 'lcd_name',
str(self.generate_strip_string(name)))
self._monobridge._send(sender.name, 'lcd_value',
str(self.generate_strip_string(value)))
def touched(self):
if not self._host.is_enabled():
if self._touched is 0:
self._monobridge._send('touch', 'on')
self.schedule_message(2, self.check_touch)
self._touched += 1
def check_touch(self):
if self._touched > 5:
self._touched = 5
elif self._touched > 0:
self._touched -= 1
if self._touched is 0:
self._monobridge._send('touch', 'off')
else:
self.schedule_message(2, self.check_touch)
def get_clip_names(self):
clip_names = []
for scene in self._session._scenes:
for clip_slot in scene._clip_slots:
if clip_slot.has_clip() is True:
clip_names.append(clip_slot._clip_slot) ##.clip.name)
return clip_slot._clip_slot
##self.log_message(str(clip_slot._clip_slot.clip.name))
return clip_names
"""overrides"""
def allow_updates(self, allow_updates):
for component in self.components:
component.set_allow_update(int(allow_updates != 0))
def set_device_component(self, device_component):
if self._device_component != None:
self._device_component._lock_callback = None
assert (device_component != None)
assert isinstance(device_component, DeviceComponent)
self._device_component = device_component
self._device_component._lock_callback = self._toggle_lock #old: self._device_component.set_lock_callback(self._toggle_lock)
if self._device_select_buttons != None:
for button in self._device_select_buttons:
button.send_value(
self._device_select_buttons.index(button) ==
self._device.index(self._device_component))
self._update_device_selection()
return None
def _update_selected_device(self):
if self._device_selection_follows_track_selection is True:
self._update_device_selection()
return None
def _update_linked_device_selection(self, device):
#self.log_message('codec received ' + str(device.name))
if self._device_component != None and device != None:
if not self._device_component.is_locked():
self._device_component.set_device(device)
def _get_num_tracks(self):
return self.num_tracks
def _update_device_selection(self): #new method: code to verify
#self.log_message('_update_device_selection')
if self._device_component != None:
if not self._device_component.is_locked():
track = self.song().view.selected_track
device_to_select = track.view.selected_device
if ((device_to_select == None) and (len(track.devices) > 0)):
device_to_select = track.devices[0]
if (device_to_select != None):
self.song().view.select_device(device_to_select)
self._device_component.set_device(device_to_select)
def _channelstrip_mute_value(self, channelstrip):
def _mute_value(value):
if not self._shift_pressed:
self.log_message('shift not pressed')
ChannelStripComponent._mute_value(channelstrip, value)
return _mute_value
def _channelstrip_solo_value(self, channelstrip):
def _solo_value(value):
if not self._shift_pressed:
ChannelStripComponent._solo_value(channelstrip, value)
return _solo_value
def _mixer_next_track_value(self, mixer):
def _next_track_value(value):
if not self._shift_pressed:
MixerComponent._next_track_value(mixer, value)
return _next_track_value
def _mixer_prev_track_value(self, mixer):
def _prev_track_value(value):
if not self._shift_pressed:
MixerComponent._prev_track_value(mixer, value)
return _prev_track_value
class Codec(ControlSurface):
__module__ = __name__
__doc__ = " MonoCode controller script "
def __init__(self, c_instance):
"""everything except the '_on_selected_track_CHANNELged' override and 'disconnect' runs from here"""
ControlSurface.__init__(self, c_instance)
self.set_suppress_rebuild_requests(True) # Turn off rebuild MIDI map until after we're done setting up
self._monomod_version = 'b994'
self._version_check = 'b994'
self._host_name = 'Codec'
self._color_type = 'Monochrome'
self._link_mixer = LINK_MIXER
self.log_message("--------------= Codec " + str(self._monomod_version) + " log opened =--------------")
self._hosts = []
self._linked_script = None
self._local_ring_control = True
self.set_local_ring_control(1)
self._setup_controls()
self._last_device = None
self._device_list = [None, None, None, None]
self._device_select_buttons = None
self._last_device_component = None
self._timer = 0
self._touched = 0
self._locked = False
self.flash_status = 1
self._shift_button = None
self._shift_pressed = 0
self._shift_pressed_timer = 0
self._shift_thresh = SHIFT_THRESH
self._use_device_selector = USE_DEVICE_SELECTOR
self._device_selection_follows_track_selection=FOLLOW
self.set_suppress_rebuild_requests(False) #Turn rebuild back on, now that we're done setting up
self.song().view.add_selected_track_listener(self._update_selected_device)
self.show_message('Codec Control Surface Loaded')
#self.local_ring_control(True)
#self.set_absolute_mode(True)
self._setup_monobridge()
self._setup_device_controls()
self._setup_special_device_control()
self._device.append(self._special_device) #necessary for device browsing to work with special device
self._setup_device_chooser()
self._setup_mixer_controls()
self._setup_monomod()
self._setup_modes()
self._setup_device_selector()
self._setup_send_reset()
self._setup_default_buttons()
self._initialize_code()
self.request_rebuild_midi_map()
#Monomodular.create_instance(c_instance)
#self._setup_disconnect()
"""script initialization methods"""
def _initialize_code(self):
self._send_midi(factoryreset)
self._send_midi(btn_channels)
self._send_midi(enc_channels)
#pass
def _setup_monobridge(self):
self._monobridge = MonoBridgeElement(self)
self._monobridge.name = 'MonoBridge'
def _setup_controls(self):
is_momentary = True
self._livid = FlashingButtonElement(is_momentary, MIDI_NOTE_TYPE, CHANNEL, LIVID, 'Livid_Button', self)
self._dial = [None for index in range(8)]
for column in range(8):
self._dial[column] = [None for index in range(4)]
for row in range(4):
self._dial[column][row] = CodecEncoderElement(MIDI_CC_TYPE, CHANNEL, CODE_DIALS[row][column], Live.MidiMap.MapMode.absolute, 'Dial_' + str(column) + '_' + str(row), (column + (row*8)), self) #CODE_DIALS[row][column]
self._button = [None for index in range(8)]
for column in range(8):
self._button[column] = [None for index in range(4)]
for row in range(4):
self._button[column][row] = FlashingButtonElement(is_momentary, MIDI_NOTE_TYPE, CHANNEL, CODE_BUTTONS[row][column], 'Button_' + str(column) + '_' + str(row), self)
self._column_button = [None for index in range(8)]
for index in range(8):
self._column_button[index] = FlashingButtonElement(is_momentary, MIDI_NOTE_TYPE, CHANNEL, CODE_COLUMN_BUTTONS[index], 'Column_Button_' + str(index), self)
self._row_button = [None for index in range(4)]
for index in range(4):
self._row_button[index] = FlashingButtonElement(is_momentary, MIDI_NOTE_TYPE, CHANNEL, CODE_ROW_BUTTONS[index], 'Row_Button_' + str(index), self)
self._dial_matrix = EncoderMatrixElement(self)
self._dial_matrix.name = 'Encoder_Matrix'
for row in range(4):
dial_row = tuple([self._dial[column][row] for column in range(8)])
self._dial_matrix.add_row(dial_row)
self._button_matrix = ButtonMatrixElement()
self._button_matrix.name = 'Button_Matrix'
for row in range(4):
button_row = [self._button[column][row] for column in range(8)]
button_row.append(self._row_button[row])
self._button_matrix.add_row(tuple(button_row))
self._button_matrix.add_row(tuple(self._column_button + [self._livid]))
def _setup_modes(self):
self._monomod_mode = MonomodModeComponent(self)
self._monomod_mode.name = 'Monomod_Mode'
self._monomod_mode.update = self._mod_mode_update
#self._monomod_mode.set_mode_toggle(self._livid)
self.set_shift_button(self._livid)
self._shift_mode = ShiftModeComponent(self, self._shift_update)
self._shift_mode.name = 'Shift_Mode'
self._shift_mode.set_mode_buttons(tuple([self._row_button[0], self._row_button[1], self._row_button[2], self._row_button[3]]))
def _setup_transport_control(self):
self._transport = TransportComponent()
self._transport.name = 'Transport'
def _setup_monomod(self):
self._host = MonomodComponent(self)
self._host.name = 'Monomod_Host'
self._host._set_dial_matrix(self._dial_matrix, self._button_matrix)
#self._host._set_shift_button(self._row_button[3])
self.hosts = [self._host]
#self._host._set_button_matrix(self._button_matrix)
#for index
#self._host._set_shift
def _setup_mixer_controls(self):
is_momentary = True
self._num_tracks = (8)
self._session = SessionComponent(self._num_tracks, 0)
self._session.name = 'Session'
self._mixer = MixerComponent(self._num_tracks, 0, False, False)
self._mixer.name = 'Mixer'
self._mixer._next_track_value = self._mixer_next_track_value(self._mixer)
self._mixer._prev_track_value = self._mixer_prev_track_value(self._mixer)
self._mixer.set_track_offset(0) #Sets start point for mixer strip (offset from left)
#for index in range(8):
#use the bottom row of encoders for volume, so add 24 to offset the index
# self._mixer.channel_strip(index).set_volume_control(self._dial[index+24])
for index in range(8):
self._mixer.channel_strip(index).name = 'Mixer_ChannelStrip_' + str(index)
self._mixer.channel_strip(index)._invert_mute_feedback = True
self._mixer.channel_strip(index)._mute_value = self._channelstrip_mute_value(self._mixer.channel_strip(index))
self._mixer.channel_strip(index)._solo_value = self._channelstrip_solo_value(self._mixer.channel_strip(index))
#mixer.channel_strip(index).set_select_button(ButtonElement(is_momentary, MIDI_NOTE_TYPE, CH, track_select_notes[index]))
self.song().view.selected_track = self._mixer.channel_strip(0)._track #set the selected strip to the first track, so that we don't, for example, try to assign a button to arm the master track, which would cause an assertion error
self._session.set_mixer(self._mixer)
def _setup_device_controls(self):
self._device = [None for index in range(4)]
for index in range(4):
self._device[index] = CodecDeviceComponent(self)
self._device[index].name = 'CodecDevice_Component_' + str(index)
device_param_controls = []
for control in range(8):
device_param_controls.append(self._dial[control][index])
self._device[index].set_on_off_button(self._button[1][index])
self._device[index].set_lock_button(self._button[2][index])
self._device[index].set_bank_nav_buttons(self._button[4][index], self._button[5][index])
self._device[index].set_nav_buttons(self._button[6][index], self._button[7][index])
self._device[index].set_parameter_controls(tuple(device_param_controls))
self.set_device_component(self._device[0])
self._last_device_component = self._device[0]
def _setup_special_device_control(self):
self._special_device = SpecialCodecDeviceComponent(self)
self._special_device.name = 'SpecialCodecDeviceComponent'
self._special_device.set_on_off_button(self._button[1][0])
self._special_device.set_lock_button(self._button[2][0])
self._special_device.set_bank_nav_buttons(self._button[4][0], self._button[5][0])
self._special_device.set_nav_buttons(self._button[6][0], self._button[7][0])
device_param_controls = []
for row in range(4):
for column in range(8):
device_param_controls.append(self._dial[column][row])
self._special_device.set_parameter_controls(tuple(device_param_controls))
def _setup_device_chooser(self):
self._selected_device = self._device[0]
self._last_selected_device = self._device[0]
self._device_select_buttons = [self._button[0][index] for index in range(4)]
for button in self._device_select_buttons:
button.add_value_listener(self._device_select_value, True)
def _setup_device_selector(self):
self._device_selector = CodecDeviceSelectorComponent(self, 'c', self._device + [self._special_device])
self._device_selector.name = 'Device_Selector'
self._device_selector.set_mode_buttons(self._column_button)
#self._device_selector.set_mode_toggle(self._livid)
def _setup_send_reset(self):
self._send_reset = CodecResetSendsComponent(self)
self._send_reset.set_buttons(self._button)
def _setup_default_buttons(self):
self._value_default = ParameterDefaultComponent(self)
buttons = []
dials = []
for column in self._button:
for button in column:
buttons.append(button)
for column in self._dial:
for dial in column:
dials.append(dial)
self._value_default.set_buttons(buttons)
self._value_default.set_dials(dials)
"""multiple device support"""
def _device_select_value(self, value, sender):
#self.log_message('device_select_value ' + str(value) + ' ' + str(self._device_select_buttons.index(sender)))
if not self._shift_pressed:
if sender.is_momentary or value > 0:
if self._shift_mode._mode_index == 2:
self.set_device_component(self._device[self._device_select_buttons.index(sender)])
self._last_device_component = self._device_component
if self._device_component != None and isinstance(self._device_component._device, Live.Device.Device):
if self._device_component.find_track(self._device_component._device) == self.song().view.selected_track:
self._device_component.display_device()
"""livid double press mechanism"""
def set_shift_button(self, button):
assert ((button == None) or (isinstance(button, FlashingButtonElement)))
if self._shift_button != None:
self._shift_button.remove_value_listener(self._shift_value)
self._shift_button = button
if self._shift_button != None:
self._shift_button.add_value_listener(self._shift_value)
def _shift_value(self, value):
self._shift_pressed = int(value != 0)
if self._shift_pressed > 0:
self._send_midi(SLOWENCODER)
if (self._shift_pressed_timer + self._shift_thresh) > self._timer:
#if(self._host.is_enabled() != True)
self._monomod_mode.set_mode(abs(self._monomod_mode._mode_index - 1))
#else:
# self._monomod_mode.set_mode(0)
self._shift_pressed_timer = self._timer % 256
else:
self._send_midi(NORMALENCODER)
def _mod_mode_update(self):
if(self._monomod_mode._mode_index == 0):
self._host._set_shift_button(None)
self._host.set_enabled(False)
self.set_local_ring_control(1)
self.set_absolute_mode(1)
self._dial_matrix.reset()
self._shift_mode.set_enabled(True)
self._shift_update()
self.request_rebuild_midi_map()
self._livid.turn_off()
elif(self._monomod_mode._mode_index == 1):
self._shift_mode.set_enabled(False)
self._deassign_all()
self._dial_matrix.reset()
self._button_matrix.reset()
self._livid.turn_on()
if not self._host._active_client == None:
self.set_local_ring_control(0)
self.set_absolute_mode(0)
self._host.set_enabled(True)
self._host._set_shift_button(self._livid)
else:
self.set_local_ring_control(1)
self.set_absolute_mode(1)
self._assign_alternate_mappings(1)
self.request_rebuild_midi_map()
"""Mode Functions"""
def _shift_update(self):
if(self._shift_mode.is_enabled()):
self.allow_updates(False)
if(not self._in_build_midi_map):
self.set_suppress_rebuild_requests(True)
self._deassign_all()
if(self._shift_mode._mode_index is 0):
self._assign_volume()
elif(self._shift_mode._mode_index is 1):
self._assign_sends()
elif(self._shift_mode._mode_index is 2):
self._assign_devices()
elif(self._shift_mode._mode_index is 3):
self._assign_special_device()
for index in range(self._shift_mode.number_of_modes()):
if index == self._shift_mode._mode_index:
self._shift_mode._modes_buttons[index].turn_on()
else:
self._shift_mode._modes_buttons[index].turn_off()
self.allow_updates(True)
self.set_suppress_rebuild_requests(False)
self.request_rebuild_midi_map()
def _deassign_all(self):
self._assign_alternate_mappings(0)
self._device_selector.set_enabled(False)
for index in range(8):
self._mixer.channel_strip(index).set_volume_control(None)
self._mixer.channel_strip(index).set_pan_control(None)
self._mixer.channel_strip(index).set_send_controls(tuple([None, None, None, None]))
for index in range(4):
self._device[index].set_enabled(False)
#self._device_navigator[index].set_enabled(False)
self._special_device.set_enabled(False)
self._device_selector.set_enabled(False)
self._deassign_buttons()
for control in self.controls:
control.reset()
self.request_rebuild_midi_map()
def _deassign_buttons(self):
for index in range(8):
self._mixer.channel_strip(index).set_select_button(None)
self._mixer.channel_strip(index).set_solo_button(None)
self._mixer.channel_strip(index).set_mute_button(None)
self._mixer.set_select_buttons(None, None)
self._send_reset.set_enabled(False)
def _assign_volume(self):
for index in range(8):
self._mixer.channel_strip(index).set_volume_control(self._dial[index][3])
self._mixer.channel_strip(index).set_pan_control(self._dial[index][2])
self._mixer.channel_strip(index).set_send_controls(tuple([self._dial[index][0], self._dial[index][1]]))
self._mixer.channel_strip(index).set_select_button(self._column_button[index])
self._mixer.channel_strip(index).set_solo_button(self._button[index][2])
self._mixer.channel_strip(index).set_mute_button(self._button[index][3])
self._mixer.set_select_buttons(self._button[7][0], self._button[6][0])
def _assign_sends(self):
for index in range(8):
self._mixer.channel_strip(index).set_send_controls(tuple([self._dial[index][0], self._dial[index][1], self._dial[index][2], self._dial[index][3]]))
self._mixer.channel_strip(index).set_select_button(self._column_button[index])
self._send_reset.set_enabled(True)
def _assign_devices(self):
self.set_device_component(self._last_device_component)
self._device_select_value(1, self._device_select_buttons[self._device.index(self._device_component)])
for index in range(4):
self._device[index].set_enabled(True)
self._device_selector.set_enabled(self._use_device_selector)
if not self._use_device_selector:
for index in range(8):
self._mixer.channel_strip(index).set_select_button(self._column_button[index])
def _assign_special_device(self):
self.set_device_component(self._special_device)
self._special_device.set_enabled(True)
self._device_selector.set_enabled(self._use_device_selector)
if not self._use_device_selector:
for index in range(8):
self._mixer.channel_strip(index).set_select_button(self._column_button[index])
def _assign_alternate_mappings(self, chan):
for column in self._dial:
for control in column:
control.set_channel(chan)
control.set_enabled(chan is 0)
for column in self._button:
for control in column:
control.set_channel(chan)
control.set_enabled(chan is 0)
for control in self._column_button:
control.set_channel(chan)
control.set_enabled(chan is 0)
for control in self._row_button:
control.set_channel(chan)
control.set_enabled(chan is 0)
"""general functionality"""
def disconnect(self):
"""clean things up on disconnect"""
if not self._shift_button is None:
if self._shift_button.value_has_listener(self._shift_value):
self._shift_button.remove_value_listener(self._shift_value)
for button in self._device_select_buttons:
if button.value_has_listener(self._device_select_value):
button.remove_value_listener(self._device_select_value)
if self._session._is_linked():
self._session._unlink()
self.song().view.remove_selected_track_listener(self._update_selected_device)
"""for cs in self._control_surfaces():
for host in self._hosts:
self.log_message('installed: ' + str(cs) + ' vs. ' + str(host))
if str(type(cs)) == str(type(host)):
self.log_message('disconnecting: ' + str(type(cs)))
cs.disconnect(cs)"""
self._hosts = []
if self._linked_script != None:
self._linked_script._update_linked_device_selection = None
self._linked_script = None
#self._disconnect_notifier.set_mode(0)
self.log_message("--------------= Codec log closed =--------------") #Create entry in log file
ControlSurface.disconnect(self)
return None
def connect_script_instances(self, instanciated_scripts):
found = False
for s in instanciated_scripts:
if '_codec_version' in dir(s):
if s._codec_version == self._version_check:
if s._host_name == ('MonOhm'):
self.log_message('found codec version ' + str(s._codec_version) + ' in script ' + str(s._host_name))
found = True
self._linked_script = s
self._linked_script._update_linked_device_selection = self._update_linked_device_selection
if not self._session._is_linked() and self._link_mixer is True:
self._session.set_offsets(LINK_OFFSET[0], LINK_OFFSET[1])
self._session._link()
else:
self.log_message('version mismatch: Monomod version ' + str(self._version_check) + ' vs. Host version ' + str(s._codec_version))
if found == False:
for s in instanciated_scripts:
if '_codec_version' in dir(s):
if s._codec_version == self._version_check:
if s._host_name == 'BlockMod':
self.log_message('found codec version ' + str(s._codec_version) + ' in script ' + str(s._host_name))
self._linked_script = s
self._linked_script._update_linked_device_selection = self._update_linked_device_selection
if not self._session._is_linked() and self._link_mixer is True:
self._session.set_offsets(LINK_OFFSET[0], LINK_OFFSET[1])
self._session._link()
else:
self.log_message('version mismatch: Monomod version ' + str(self._version_check) + ' vs. Host version ' + str(s._codec_version))
#self.log_message('hosts: ' + str(self._hosts))"""
def update_display(self):
ControlSurface.update_display(self) #since we are overriding this from the inherited method, we need to call the original routine as well
self._timer = (self._timer + 1) % 256
if(self._timer == 0):
self._shift_pressed_timer = -12
if(self._local_ring_control is False):
self.send_ring_leds()
self.flash()
def handle_sysex(self, midi_bytes):
#self._send_midi(tuple([240, 00, 01, 97, 04, 15, 01, 247]))
#response = [long(0),long(0)]
#self.log_message(response)
pass
def flash(self):
if(self.flash_status > 0):
for control in self.controls:
if isinstance(control, FlashingButtonElement):
control.flash(self._timer)
def send_ring_leds(self):
leds = [240, 0, 1, 97, 4, 31]
for column in range(8):
for row in range(4):
wheel = self._dial[column][row]
bytes = wheel._get_ring()
leds.append(bytes[0])
leds.append(int(bytes[1]) + int(bytes[2]))
#if(row == 1 and column == 0):
# self.log_message(str(leds) + ' ' + str(bytes[0]) + ' ' + str(bytes[1]) + ' ' + str(bytes[2]))
leds.append(247)
self._send_midi(tuple(leds))
def set_absolute_mode(self, val = 1):
self._absolute_mode = (val!=0)
if self._absolute_mode is True:
self._send_midi(tuple([240, 0, 1, 97, 4, 17, 0, 0, 0, 0, 0, 0, 0, 0, 247]))
else:
self._send_midi(tuple([240, 0, 1, 97, 4, 17, 127, 127, 127, 127, 127, 127, 127, 127, 247]))
def set_local_ring_control(self, val = 1):
#assert val is isinstance(val, type(False))
self._local_ring_control = (val!=0)
if(self._local_ring_control is True):
#self._send_midi(tuple([240, 0, 1, 97, 4, 32, 0, 247]))
self._send_midi(tuple([240, 0, 1, 97, 4, 8, 72, 247]))
else:
#self._send_midi(tuple([240, 0, 1, 97, 4, 32, 1, 247]))
self._send_midi(tuple([240, 0, 1, 97, 4, 8, 64, 247]))
def device_follows_track(self, val):
self._device_selection_follows_track_selection = (val == 1)
return self
"""m4l bridge"""
def generate_strip_string(self, display_string):
NUM_CHARS_PER_DISPLAY_STRIP = 12
if (not display_string):
return (' ' * NUM_CHARS_PER_DISPLAY_STRIP)
if ((len(display_string.strip()) > (NUM_CHARS_PER_DISPLAY_STRIP - 1)) and (display_string.endswith('dB') and (display_string.find('.') != -1))):
display_string = display_string[:-2]
if (len(display_string) > (NUM_CHARS_PER_DISPLAY_STRIP - 1)):
for um in [' ',
'i',
'o',
'u',
'e',
'a']:
while ((len(display_string) > (NUM_CHARS_PER_DISPLAY_STRIP - 1)) and (display_string.rfind(um, 1) != -1)):
um_pos = display_string.rfind(um, 1)
display_string = (display_string[:um_pos] + display_string[(um_pos + 1):])
else:
display_string = display_string.center((NUM_CHARS_PER_DISPLAY_STRIP - 1))
ret = u''
for i in range((NUM_CHARS_PER_DISPLAY_STRIP - 1)):
if ((ord(display_string[i]) > 127) or (ord(display_string[i]) < 0)):
ret += ' '
else:
ret += display_string[i]
ret += ' '
assert (len(ret) == NUM_CHARS_PER_DISPLAY_STRIP)
return ret
def notification_to_bridge(self, name, value, sender):
if(isinstance(sender, CodecEncoderElement)):
self._monobridge._send(sender.name, 'lcd_name', str(self.generate_strip_string(name)))
self._monobridge._send(sender.name, 'lcd_value', str(self.generate_strip_string(value)))
def touched(self):
if not self._host.is_enabled():
if self._touched is 0:
self._monobridge._send('touch', 'on')
self.schedule_message(2, self.check_touch)
self._touched +=1
def check_touch(self):
if self._touched > 5:
self._touched = 5
elif self._touched > 0:
self._touched -= 1
if self._touched is 0:
self._monobridge._send('touch', 'off')
else:
self.schedule_message(2, self.check_touch)
def get_clip_names(self):
clip_names = []
for scene in self._session._scenes:
for clip_slot in scene._clip_slots:
if clip_slot.has_clip() is True:
clip_names.append(clip_slot._clip_slot)##.clip.name)
return clip_slot._clip_slot
##self.log_message(str(clip_slot._clip_slot.clip.name))
return clip_names
"""overrides"""
def allow_updates(self, allow_updates):
for component in self.components:
component.set_allow_update(int(allow_updates!=0))
def set_device_component(self, device_component):
if self._device_component != None:
self._device_component._lock_callback = None
assert (device_component != None)
assert isinstance(device_component, DeviceComponent)
self._device_component = device_component
self._device_component._lock_callback = self._toggle_lock #old: self._device_component.set_lock_callback(self._toggle_lock)
if self._device_select_buttons != None:
for button in self._device_select_buttons:
button.send_value(self._device_select_buttons.index(button) == self._device.index(self._device_component))
self._update_device_selection()
return None
def _update_selected_device(self):
if self._device_selection_follows_track_selection is True:
self._update_device_selection()
return None
def _update_linked_device_selection(self, device):
#self.log_message('codec received ' + str(device.name))
if self._device_component != None and device != None:
if not self._device_component.is_locked():
self._device_component.set_device(device)
def _get_num_tracks(self):
return self.num_tracks
def _update_device_selection(self): #new method: code to verify
#self.log_message('_update_device_selection')
if self._device_component != None:
if not self._device_component.is_locked():
track = self.song().view.selected_track
device_to_select = track.view.selected_device
if ((device_to_select == None) and (len(track.devices) > 0)):
device_to_select = track.devices[0]
if (device_to_select != None):
self.song().view.select_device(device_to_select)
self._device_component.set_device(device_to_select)
def _channelstrip_mute_value(self, channelstrip):
def _mute_value(value):
if not self._shift_pressed:
self.log_message('shift not pressed')
ChannelStripComponent._mute_value(channelstrip, value)
return _mute_value
def _channelstrip_solo_value(self, channelstrip):
def _solo_value(value):
if not self._shift_pressed:
ChannelStripComponent._solo_value(channelstrip, value)
return _solo_value
def _mixer_next_track_value(self, mixer):
def _next_track_value(value):
if not self._shift_pressed:
MixerComponent._next_track_value(mixer, value)
return _next_track_value
def _mixer_prev_track_value(self, mixer):
def _prev_track_value(value):
if not self._shift_pressed:
MixerComponent._prev_track_value(mixer, value)
return _prev_track_value