def preset_clicked(self, button):
global sox_multiplier
self.terminate_sox()
# Use a filter to find the currently selected preset
current_preset = list(filter(lambda p: p.name == button.props.label, state.loaded_presets))[0]
state.current_preset = current_preset
if current_preset.override_pitch:
# Set the pitch of the slider
self.pitch_scale.set_value(float(current_preset.pitch_value))
self.pitch_scale.set_sensitive(False)
command = utils.build_sox_command(
state.current_preset,
config_object=state.config
)
else:
self.pitch_scale.set_sensitive(True)
command = utils.build_sox_command(
state.current_preset,
config_object=state.config,
scale_object=self.pitch_scale
)
self.sox_process = subprocess.Popen(command.split(' '))
def toggle_activated(self, switch, gparam):
if switch.get_active():
# Load module-null-sink
null_sink = subprocess.check_call(
'pacmd load-module module-null-sink sink_name=Lyrebird-Output'.split(' ')
)
remap_sink = subprocess.check_call(
'pacmd load-module module-remap-source source_name=Lyrebird-Input master=Lyrebird-Output.monitor'\
.split(' ')
)
print(f'Loaded null output sink ({null_sink}), and remap sink ({remap_sink})')
subprocess.check_call(
'pacmd update-sink-proplist Lyrebird-Output device.description="Lyrebird Output"'\
.split(' ')
)
subprocess.check_call(
'pacmd update-source-proplist Lyrebird-Input device.description="Lyrebird Virtual Input"'\
.split(' ')
)
state.sink = null_sink
# Kill the sox process
self.terminate_sox()
# Use the default preset, which is "Man" if the loaded preset is not found.
default_preset = state.loaded_presets[0]
current_preset = state.current_preset or default_preset
if current_preset.override_pitch:
# Set the pitch of the slider
self.pitch_scale.set_value(float(current_preset.pitch_value))
self.pitch_scale.set_sensitive(False)
command = utils.build_sox_command(
current_preset,
config_object=state.config
)
else:
self.pitch_scale.set_sensitive(True)
command = utils.build_sox_command(
current_preset,
config_object=state.config,
scale_object=self.pitch_scale
)
self.sox_process = subprocess.Popen(command.split(' '))
else:
utils.unload_pa_modules(check_state=True)
self.terminate_sox()
def pitch_scale_moved(self, event):
global sox_multiplier
# Very hacky code, we repeatedly kill sox, grab the new value to pitch shift
# by, and then restart the process.
# Only allow adjusting the pitch if the preset doesn't override the pitch
if state.current_preset is not None:
# Kill the sox process
self.terminate_sox()
if not state.current_preset.override_pitch:
# Multiply the pitch shift scale value by the multiplier and feed it to sox
command = utils.build_sox_command(
state.current_preset,
config_object=state.config,
scale_object=self.pitch_scale)
self.sox_process = subprocess.Popen(command.split(' '))