class EffectsBase(PipelineBase):
def __init__(self, sampling_rate, settings):
PipelineBase.__init__(self, sampling_rate)
self.module_path = os.path.dirname(__file__)
self.settings = settings
self.log_tag = str()
self.disable_app_level_meter = False
self.there_is_window = False
self.apps_list = []
self.limiter = Limiter(self.settings)
self.compressor = Compressor(self.settings)
self.reverb = Reverb(self.settings)
self.highpass = Highpass(self.settings)
self.lowpass = Lowpass(self.settings)
self.equalizer = Equalizer(self.settings)
# effects wrappers
self.limiter_wrapper = GstInsertBin.InsertBin.new('limiter_wrapper')
self.compressor_wrapper = GstInsertBin.InsertBin.new(
'compressor_wrapper')
self.reverb_wrapper = GstInsertBin.InsertBin.new('reverb_wrapper')
self.highpass_wrapper = GstInsertBin.InsertBin.new('highpass_wrapper')
self.lowpass_wrapper = GstInsertBin.InsertBin.new('lowpass_wrapper')
self.equalizer_wrapper = GstInsertBin.InsertBin.new(
'equalizer_wrapper')
self.spectrum_wrapper = GstInsertBin.InsertBin.new('spectrum_wrapper')
# appending effects wrappers to effects bin
self.effects_bin.append(self.limiter_wrapper, self.on_filter_added,
self.log_tag)
self.effects_bin.append(self.compressor_wrapper, self.on_filter_added,
self.log_tag)
self.effects_bin.append(self.reverb_wrapper, self.on_filter_added,
self.log_tag)
self.effects_bin.append(self.highpass_wrapper, self.on_filter_added,
self.log_tag)
self.effects_bin.append(self.lowpass_wrapper, self.on_filter_added,
self.log_tag)
self.effects_bin.append(self.equalizer_wrapper, self.on_filter_added,
self.log_tag)
self.effects_bin.append(self.spectrum_wrapper, self.on_filter_added,
self.log_tag)
def init_ui(self):
self.builder = Gtk.Builder.new_from_file(self.module_path +
'/ui/effects_box.glade')
self.ui_window = self.builder.get_object('window')
self.listbox = self.builder.get_object('listbox')
self.stack = self.builder.get_object('stack')
self.apps_box = self.builder.get_object('apps_box')
# adding applications entry
row = Gtk.ListBoxRow()
row.set_name('applications')
row.set_margin_top(6)
row.set_margin_bottom(6)
entry_label = Gtk.Label('<b>' + _('Applications') + '</b>')
entry_label.set_halign(Gtk.Align.START)
entry_label.set_use_markup(True)
entry_label.set_ellipsize(Pango.EllipsizeMode.END)
row.add(entry_label)
self.listbox.add(row)
self.listbox.connect('row-activated', self.on_listbox_row_activated)
# listbox style
provider = Gtk.CssProvider()
css_file = Gio.File.new_for_path(self.module_path + '/ui/listbox.css')
provider.load_from_file(css_file)
Gtk.StyleContext.add_provider(self.listbox.get_style_context(),
provider,
Gtk.STYLE_PROVIDER_PRIORITY_APPLICATION)
self.limiter.init_ui()
self.compressor.init_ui()
self.reverb.init_ui()
self.highpass.init_ui()
self.lowpass.init_ui()
self.equalizer.init_ui()
self.add_to_listbox('limiter')
self.add_to_listbox('compressor')
self.add_to_listbox('reverb')
self.add_to_listbox('highpass')
self.add_to_listbox('lowpass')
self.add_to_listbox('equalizer')
# on/off switches connections
self.limiter.ui_limiter_enable.connect('state-set',
self.on_limiter_enable)
self.compressor.ui_enable.connect('state-set',
self.on_compressor_enable)
self.reverb.ui_enable.connect('state-set', self.on_reverb_enable)
self.highpass.ui_enable.connect('state-set', self.on_highpass_enable)
self.lowpass.ui_enable.connect('state-set', self.on_lowpass_enable)
self.equalizer.ui_enable.connect('state-set', self.on_equalizer_enable)
def add_to_listbox(self, name):
row = Gtk.ListBoxRow()
row.add(getattr(self, name).ui_listbox_control)
row.set_name(name)
row.set_margin_top(6)
row.set_margin_bottom(6)
self.listbox.add(row)
def insert_in_listbox(self, name, idx):
row = Gtk.ListBoxRow()
row.add(getattr(self, name).ui_listbox_control)
row.set_name(name)
row.set_margin_top(6)
row.set_margin_bottom(6)
self.listbox.insert(row, idx)
def on_listbox_row_activated(self, obj, row):
self.stack.set_visible_child_name(row.get_name())
def build_app_ui(self, parameters):
idx = parameters['index']
app_name = parameters['name']
icon_name = parameters['icon']
audio_channels = parameters['channels']
max_volume_linear = parameters['volume']
rate = parameters['rate']
resample_method = parameters['resampler']
sample_format = parameters['format']
mute = parameters['mute']
connected = parameters['connected']
buffer_latency = parameters['buffer_latency']
latency = parameters['latency']
corked = parameters['corked']
builder = Gtk.Builder.new_from_file(self.module_path +
'/ui/app_info.glade')
app_icon = builder.get_object('app_icon')
mute_icon = builder.get_object('mute_icon')
setattr(self, 'app_box_' + str(idx), builder.get_object('app_box'))
setattr(self, 'app_name_' + str(idx), builder.get_object('app_name'))
setattr(self, 'app_format_' + str(idx), builder.get_object('format'))
setattr(self, 'app_rate_' + str(idx), builder.get_object('rate'))
setattr(self, 'app_channels_' + str(idx),
builder.get_object('channels'))
setattr(self, 'app_resampler_' + str(idx),
builder.get_object('resampler'))
setattr(self, 'app_buffer_' + str(idx),
builder.get_object('buffer_latency'))
setattr(self, 'app_latency_' + str(idx), builder.get_object('latency'))
setattr(self, 'app_state_' + str(idx), builder.get_object('state'))
setattr(self, 'app_switch_' + str(idx), builder.get_object('enable'))
setattr(self, 'app_volume_' + str(idx),
builder.get_object('volume_scale'))
setattr(self, 'app_mute_' + str(idx), builder.get_object('mute'))
setattr(self, 'app_level_' + str(idx), builder.get_object('level'))
# there is no point in showing it for source outputs
# their class disables the level
if self.disable_app_level_meter:
getattr(self, 'app_level_' + str(idx)).destroy()
getattr(self, 'app_name_' + str(idx)).set_text(app_name)
getattr(self, 'app_format_' + str(idx)).set_text(sample_format)
getattr(self, 'app_channels_' + str(idx)).set_text(str(audio_channels))
getattr(self, 'app_resampler_' + str(idx)).set_text(resample_method)
rate_str = '{:.1f}'.format(round(rate / 1000.0, 1)) + ' kHz'
getattr(self, 'app_rate_' + str(idx)).set_text(rate_str)
buffer_str = '{:.1f}'.format(round(buffer_latency / 1000.0, 1)) + ' ms'
getattr(self, 'app_buffer_' + str(idx)).set_text(buffer_str)
latency_str = '{:.1f}'.format(round(latency / 1000.0, 1)) + ' ms'
getattr(self, 'app_latency_' + str(idx)).set_text(latency_str)
if corked:
getattr(self, 'app_state_' + str(idx)).set_text(_('paused'))
else:
getattr(self, 'app_state_' + str(idx)).set_text(_('playing'))
app_icon.set_from_icon_name(icon_name, Gtk.IconSize.LARGE_TOOLBAR)
# connecting signals
getattr(self,
'app_switch_' + str(idx)).connect('state-set',
self.on_enable_app, idx)
getattr(self,
'app_volume_' + str(idx)).connect('value-changed',
self.on_volume_changed, idx,
audio_channels)
getattr(self, 'app_mute_' + str(idx)).connect('toggled', self.on_mute,
idx, mute_icon)
if self.switch_on_all_apps:
getattr(self, 'app_switch_' + str(idx)).set_active(True)
else:
getattr(self, 'app_switch_' + str(idx)).set_active(connected)
getattr(self, 'app_volume_' + str(idx)).set_value(max_volume_linear)
getattr(self, 'app_mute_' + str(idx)).set_active(mute)
self.apps_box.add(getattr(self, 'app_box_' + str(idx)))
self.apps_box.show_all()
def change_app_ui(self, parameters):
idx = parameters['index']
audio_channels = parameters['channels']
max_volume_linear = parameters['volume']
rate = parameters['rate']
resample_method = parameters['resampler']
sample_format = parameters['format']
mute = parameters['mute']
connected = parameters['connected']
buffer_latency = parameters['buffer_latency']
latency = parameters['latency']
corked = parameters['corked']
if hasattr(self, 'app_format_' + str(idx)):
getattr(self, 'app_format_' + str(idx)).set_text(sample_format)
if hasattr(self, 'app_channels_' + str(idx)):
getattr(self,
'app_channels_' + str(idx)).set_text(str(audio_channels))
if hasattr(self, 'app_resampler_' + str(idx)):
getattr(self,
'app_resampler_' + str(idx)).set_text(resample_method)
if hasattr(self, 'app_rate_' + str(idx)):
rate_str = '{:.1f}'.format(round(rate / 1000.0, 1)) + ' kHz'
getattr(self, 'app_rate_' + str(idx)).set_text(rate_str)
if hasattr(self, 'app_buffer_' + str(idx)):
buffer_str = '{:.1f}'.format(round(buffer_latency / 1000.0, 1))
buffer_str += ' ms'
getattr(self, 'app_buffer_' + str(idx)).set_text(buffer_str)
if hasattr(self, 'app_latency_' + str(idx)):
latency_str = '{:.1f}'.format(round(latency / 1000.0, 1)) + ' ms'
getattr(self, 'app_latency_' + str(idx)).set_text(latency_str)
if hasattr(self, 'app_state_' + str(idx)):
if corked:
getattr(self, 'app_state_' + str(idx)).set_text(_('paused'))
else:
getattr(self, 'app_state_' + str(idx)).set_text(_('playing'))
if hasattr(self, 'app_switch_' + str(idx)):
getattr(self, 'app_switch_' + str(idx)).set_active(connected)
if hasattr(self, 'app_volume_' + str(idx)):
volume = getattr(self, 'app_volume_' + str(idx))
volume.set_value(max_volume_linear)
if mute:
volume.set_sensitive(False)
else:
volume.set_sensitive(True)
if hasattr(self, 'app_mute_' + str(idx)):
getattr(self, 'app_mute_' + str(idx)).set_active(mute)
def remove_app_ui(self, idx):
if hasattr(self, 'app_box_' + str(idx)):
self.apps_box.remove(getattr(self, 'app_box_' + str(idx)))
delattr(self, 'app_box_' + str(idx))
delattr(self, 'app_name_' + str(idx))
delattr(self, 'app_format_' + str(idx))
delattr(self, 'app_rate_' + str(idx))
delattr(self, 'app_channels_' + str(idx))
delattr(self, 'app_resampler_' + str(idx))
delattr(self, 'app_buffer_' + str(idx))
delattr(self, 'app_latency_' + str(idx))
delattr(self, 'app_state_' + str(idx))
delattr(self, 'app_switch_' + str(idx))
delattr(self, 'app_volume_' + str(idx))
delattr(self, 'app_mute_' + str(idx))
delattr(self, 'app_level_' + str(idx))
def on_app_added(self, obj, parameters):
idx = parameters['index']
if idx not in self.apps_list:
self.apps_list.append(idx)
if self.there_is_window:
self.build_app_ui(parameters)
if not self.is_playing:
self.set_state('playing')
def on_app_changed(self, obj, parameters):
if self.there_is_window:
self.change_app_ui(parameters)
def on_app_removed(self, obj, idx):
if idx in self.apps_list:
self.remove_app_ui(idx)
n_apps_before = len(self.apps_list)
self.apps_list.remove(idx)
n_apps_after = len(self.apps_list)
if n_apps_before == 1 and n_apps_after == 0:
self.set_state('ready')
def on_app_level_changed(self, obj, idx, level):
if hasattr(self, 'app_level_' + str(idx)):
getattr(self, 'app_level_' + str(idx)).set_value(level)
def post_messages(self, state):
self.limiter.post_messages(state)
self.compressor.post_messages(state)
self.reverb.post_messages(state)
self.highpass.post_messages(state)
self.lowpass.post_messages(state)
self.equalizer.post_messages(state)
self.spectrum.set_property('post-messages', state)
def on_message_element(self, bus, msg):
plugin = msg.src.get_name()
if plugin == 'limiter_input_level':
peak = msg.get_structure().get_value('peak')
self.limiter.ui_update_limiter_input_level(peak)
elif plugin == 'limiter_output_level':
peak = msg.get_structure().get_value('peak')
self.limiter.ui_update_limiter_output_level(peak)
elif plugin == 'autovolume':
peak = msg.get_structure().get_value('peak')
max_value = max(peak)
if max_value > self.limiter.autovolume_threshold:
self.limiter.auto_gain(max_value)
elif plugin == 'compressor_input_level':
peak = msg.get_structure().get_value('peak')
self.compressor.ui_update_compressor_input_level(peak)
elif plugin == 'compressor_output_level':
peak = msg.get_structure().get_value('peak')
self.compressor.ui_update_compressor_output_level(peak)
elif plugin == 'reverb_input_level':
peak = msg.get_structure().get_value('peak')
self.reverb.ui_update_reverb_input_level(peak)
elif plugin == 'reverb_output_level':
peak = msg.get_structure().get_value('peak')
self.reverb.ui_update_reverb_output_level(peak)
elif plugin == 'highpass_input_level':
peak = msg.get_structure().get_value('peak')
self.highpass.ui_update_highpass_input_level(peak)
elif plugin == 'highpass_output_level':
peak = msg.get_structure().get_value('peak')
self.highpass.ui_update_highpass_output_level(peak)
elif plugin == 'lowpass_input_level':
peak = msg.get_structure().get_value('peak')
self.lowpass.ui_update_lowpass_input_level(peak)
elif plugin == 'lowpass_output_level':
peak = msg.get_structure().get_value('peak')
self.lowpass.ui_update_lowpass_output_level(peak)
elif plugin == 'equalizer_input_level':
peak = msg.get_structure().get_value('peak')
self.equalizer.ui_update_equalizer_input_level(peak)
elif plugin == 'equalizer_output_level':
peak = msg.get_structure().get_value('peak')
self.equalizer.ui_update_equalizer_output_level(peak)
elif plugin == 'spectrum':
magnitudes = msg.get_structure().get_value('magnitude')
cs = CubicSpline(self.spectrum_freqs,
magnitudes[:self.spectrum_nfreqs])
magnitudes = cs(self.spectrum_x_axis)
max_mag = np.amax(magnitudes)
min_mag = self.spectrum_threshold
if max_mag > min_mag:
magnitudes = (min_mag - magnitudes) / min_mag
self.emit('new_spectrum', magnitudes)
return True
def on_limiter_enable(self, obj, state):
if state:
if not self.limiter_wrapper.get_by_name('limiter_bin'):
self.limiter_wrapper.append(self.limiter.bin,
self.on_filter_added, self.log_tag)
else:
self.limiter_wrapper.remove(self.limiter.bin,
self.on_filter_removed, self.log_tag)
def on_compressor_enable(self, obj, state):
if state:
if not self.compressor_wrapper.get_by_name('compressor_bin'):
self.compressor_wrapper.append(self.compressor.bin,
self.on_filter_added,
self.log_tag)
else:
self.compressor_wrapper.remove(self.compressor.bin,
self.on_filter_removed,
self.log_tag)
def on_reverb_enable(self, obj, state):
if state:
if not self.reverb_wrapper.get_by_name('reverb_bin'):
self.reverb_wrapper.append(self.reverb.bin,
self.on_filter_added, self.log_tag)
else:
self.reverb_wrapper.remove(self.reverb.bin, self.on_filter_removed,
self.log_tag)
def on_highpass_enable(self, obj, state):
if state:
if not self.highpass_wrapper.get_by_name('highpass_bin'):
self.highpass_wrapper.append(self.highpass.bin,
self.on_filter_added,
self.log_tag)
else:
self.highpass_wrapper.remove(self.highpass.bin,
self.on_filter_removed, self.log_tag)
def on_lowpass_enable(self, obj, state):
if state:
if not self.lowpass_wrapper.get_by_name('lowpass_bin'):
self.lowpass_wrapper.append(self.lowpass.bin,
self.on_filter_added, self.log_tag)
else:
self.lowpass_wrapper.remove(self.lowpass.bin,
self.on_filter_removed, self.log_tag)
def on_equalizer_enable(self, obj, state):
if state:
if not self.equalizer_wrapper.get_by_name('equalizer_bin'):
self.equalizer_wrapper.append(self.equalizer.bin,
self.on_filter_added,
self.log_tag)
else:
self.equalizer_wrapper.remove(self.equalizer.bin,
self.on_filter_removed, self.log_tag)
def enable_spectrum(self, state):
if state:
if not self.spectrum_wrapper.get_by_name('spectrum'):
self.spectrum_wrapper.append(self.spectrum,
self.on_filter_added,
self.log_tag)
else:
self.spectrum_wrapper.remove(self.spectrum, self.on_filter_removed,
self.log_tag)
def reset(self):
self.limiter.reset()
self.compressor.reset()
self.reverb.reset()
self.highpass.reset()
self.lowpass.reset()
self.equalizer.reset()
class EffectsBase(PipelineBase):
pe_is_closing = GObject.Property(type=bool, default=False)
switch_on_all_apps = GObject.Property(type=bool, default=False)
def __init__(self, sampling_rate):
PipelineBase.__init__(self, sampling_rate)
self.module_path = os.path.dirname(__file__)
self.disable_app_level_meter = False
self.there_is_window = False
# [[idx, state], [idx, state],...]
# state tells if the app wants the pipeline to be running
self.apps_list = []
# app volume meter streams
self.streams = dict()
self.limiter = Limiter()
self.compressor = Compressor()
self.highpass = Highpass()
self.lowpass = Lowpass()
self.equalizer = Equalizer()
self.reverb = Reverb()
# effects wrappers
self.limiter_wrapper = GstInsertBin.InsertBin.new('limiter_wrapper')
self.compressor_wrapper = GstInsertBin.InsertBin.new(
'compressor_wrapper')
self.highpass_wrapper = GstInsertBin.InsertBin.new('highpass_wrapper')
self.lowpass_wrapper = GstInsertBin.InsertBin.new('lowpass_wrapper')
self.equalizer_wrapper = GstInsertBin.InsertBin.new(
'equalizer_wrapper')
self.reverb_wrapper = GstInsertBin.InsertBin.new('reverb_wrapper')
self.spectrum_wrapper = GstInsertBin.InsertBin.new('spectrum_wrapper')
def init_ui(self):
self.builder = Gtk.Builder.new_from_file(self.module_path +
'/ui/effects_box.glade')
self.ui_window = self.builder.get_object('window')
self.listbox = self.builder.get_object('listbox')
self.stack = self.builder.get_object('stack')
self.apps_box = self.builder.get_object('apps_box')
# adding applications entry
row = Gtk.ListBoxRow()
row.set_name('applications')
row.set_margin_top(6)
row.set_margin_bottom(6)
entry_label = Gtk.Label('<b>' + _('Applications') + '</b>')
entry_label.set_halign(Gtk.Align.START)
entry_label.set_use_markup(True)
entry_label.set_ellipsize(Pango.EllipsizeMode.END)
row.add(entry_label)
self.listbox.add(row)
self.listbox.connect('row-activated', self.on_listbox_row_activated)
def add_to_listbox(self, name):
row = Gtk.ListBoxRow()
row.add(getattr(self, name).ui_listbox_control)
row.set_name(name)
row.set_margin_top(6)
row.set_margin_bottom(6)
self.listbox.add(row)
def insert_in_listbox(self, name, idx):
row = Gtk.ListBoxRow()
row.add(getattr(self, name).ui_listbox_control)
row.set_name(name)
row.set_margin_top(6)
row.set_margin_bottom(6)
self.listbox.insert(row, idx)
def on_listbox_row_activated(self, obj, row):
self.stack.set_visible_child_name(row.get_name())
def build_app_ui(self, parameters):
idx = parameters['index']
app_name = parameters['name']
icon_name = parameters['icon']
audio_channels = parameters['channels']
max_volume_linear = parameters['volume']
rate = parameters['rate']
resample_method = parameters['resampler']
sample_format = parameters['format']
mute = parameters['mute']
connected = parameters['connected']
buffer_latency = parameters['buffer_latency']
latency = parameters['latency']
corked = parameters['corked']
builder = Gtk.Builder.new_from_file(self.module_path +
'/ui/app_info.glade')
app_icon = builder.get_object('app_icon')
mute_icon = builder.get_object('mute_icon')
setattr(self, 'app_box_' + str(idx), builder.get_object('app_box'))
setattr(self, 'app_name_' + str(idx), builder.get_object('app_name'))
setattr(self, 'app_format_' + str(idx), builder.get_object('format'))
setattr(self, 'app_rate_' + str(idx), builder.get_object('rate'))
setattr(self, 'app_channels_' + str(idx),
builder.get_object('channels'))
setattr(self, 'app_resampler_' + str(idx),
builder.get_object('resampler'))
setattr(self, 'app_buffer_' + str(idx),
builder.get_object('buffer_latency'))
setattr(self, 'app_latency_' + str(idx), builder.get_object('latency'))
setattr(self, 'app_state_' + str(idx), builder.get_object('state'))
setattr(self, 'app_switch_' + str(idx), builder.get_object('enable'))
setattr(self, 'app_volume_' + str(idx),
builder.get_object('volume_scale'))
setattr(self, 'app_mute_' + str(idx), builder.get_object('mute'))
setattr(self, 'app_level_' + str(idx), builder.get_object('level'))
# there is no point in showing it for source outputs
# their class disables the level
# if self.disable_app_level_meter:
# getattr(self, 'app_level_' + str(idx)).destroy()
getattr(self, 'app_name_' + str(idx)).set_text(app_name)
getattr(self, 'app_format_' + str(idx)).set_text(sample_format)
getattr(self, 'app_channels_' + str(idx)).set_text(str(audio_channels))
getattr(self, 'app_resampler_' + str(idx)).set_text(resample_method)
rate_str = '{:.1f}'.format(round(rate / 1000.0, 1)) + ' kHz'
getattr(self, 'app_rate_' + str(idx)).set_text(rate_str)
buffer_str = '{:.1f}'.format(round(buffer_latency / 1000.0, 1)) + ' ms'
getattr(self, 'app_buffer_' + str(idx)).set_text(buffer_str)
latency_str = '{:.1f}'.format(round(latency / 1000.0, 1)) + ' ms'
getattr(self, 'app_latency_' + str(idx)).set_text(latency_str)
if corked:
getattr(self, 'app_state_' + str(idx)).set_text(_('paused'))
else:
getattr(self, 'app_state_' + str(idx)).set_text(_('playing'))
app_icon.set_from_icon_name(icon_name, Gtk.IconSize.LARGE_TOOLBAR)
# connecting signals
getattr(self,
'app_switch_' + str(idx)).connect('state-set',
self.on_enable_app, idx)
getattr(self,
'app_volume_' + str(idx)).connect('value-changed',
self.on_volume_changed, idx,
audio_channels)
getattr(self, 'app_mute_' + str(idx)).connect('toggled', self.on_mute,
idx, mute_icon)
if self.switch_on_all_apps:
getattr(self, 'app_switch_' + str(idx)).set_active(True)
else:
getattr(self, 'app_switch_' + str(idx)).set_active(connected)
getattr(self, 'app_volume_' + str(idx)).set_value(max_volume_linear)
getattr(self, 'app_mute_' + str(idx)).set_active(mute)
self.apps_box.add(getattr(self, 'app_box_' + str(idx)))
self.apps_box.show_all()
def change_app_ui(self, parameters):
idx = parameters['index']
audio_channels = parameters['channels']
max_volume_linear = parameters['volume']
rate = parameters['rate']
resample_method = parameters['resampler']
sample_format = parameters['format']
mute = parameters['mute']
connected = parameters['connected']
buffer_latency = parameters['buffer_latency']
latency = parameters['latency']
corked = parameters['corked']
if hasattr(self, 'app_format_' + str(idx)):
getattr(self, 'app_format_' + str(idx)).set_text(sample_format)
if hasattr(self, 'app_channels_' + str(idx)):
getattr(self,
'app_channels_' + str(idx)).set_text(str(audio_channels))
if hasattr(self, 'app_resampler_' + str(idx)):
getattr(self,
'app_resampler_' + str(idx)).set_text(resample_method)
if hasattr(self, 'app_rate_' + str(idx)):
rate_str = '{:.1f}'.format(round(rate / 1000.0, 1)) + ' kHz'
getattr(self, 'app_rate_' + str(idx)).set_text(rate_str)
if hasattr(self, 'app_buffer_' + str(idx)):
buffer_str = '{:.1f}'.format(round(buffer_latency / 1000.0, 1))
buffer_str += ' ms'
getattr(self, 'app_buffer_' + str(idx)).set_text(buffer_str)
if hasattr(self, 'app_latency_' + str(idx)):
latency_str = '{:.1f}'.format(round(latency / 1000.0, 1)) + ' ms'
getattr(self, 'app_latency_' + str(idx)).set_text(latency_str)
if hasattr(self, 'app_state_' + str(idx)):
if corked:
getattr(self, 'app_state_' + str(idx)).set_text(_('paused'))
else:
getattr(self, 'app_state_' + str(idx)).set_text(_('playing'))
if hasattr(self, 'app_switch_' + str(idx)):
getattr(self, 'app_switch_' + str(idx)).set_active(connected)
if hasattr(self, 'app_volume_' + str(idx)):
volume = getattr(self, 'app_volume_' + str(idx))
volume.set_value(max_volume_linear)
if mute:
volume.set_sensitive(False)
else:
volume.set_sensitive(True)
if hasattr(self, 'app_mute_' + str(idx)):
getattr(self, 'app_mute_' + str(idx)).set_active(mute)
def remove_app_ui(self, idx):
if hasattr(self, 'app_box_' + str(idx)):
self.apps_box.remove(getattr(self, 'app_box_' + str(idx)))
delattr(self, 'app_box_' + str(idx))
delattr(self, 'app_name_' + str(idx))
delattr(self, 'app_format_' + str(idx))
delattr(self, 'app_rate_' + str(idx))
delattr(self, 'app_channels_' + str(idx))
delattr(self, 'app_resampler_' + str(idx))
delattr(self, 'app_buffer_' + str(idx))
delattr(self, 'app_latency_' + str(idx))
delattr(self, 'app_state_' + str(idx))
delattr(self, 'app_switch_' + str(idx))
delattr(self, 'app_volume_' + str(idx))
delattr(self, 'app_mute_' + str(idx))
delattr(self, 'app_level_' + str(idx))
def set_pipeline_state(self):
# Deciding if GStreamer pipeline should be put in the playing state
# based on the apps state. If no app is playing the GStreamer pipeline
# should also be in the paused state in order to not waste cpu
apps_want_to_play = False
for a in self.apps_list:
if a[1]: # connected and not corked
apps_want_to_play = True
break
ok, current, pending = self.pipeline.get_state(2)
if ok and not self.pe_is_closing:
if current != Gst.State.PLAYING and apps_want_to_play:
self.set_state('playing')
elif current == Gst.State.PLAYING and not apps_want_to_play:
self.set_state('null')
def on_app_added(self, obj, parameters):
idx = parameters['index']
corked = parameters['corked'] # cork = 1 means that the app is paused
connected = parameters['connected'] # app switch state
if self.there_is_window:
self.build_app_ui(parameters)
elif self.switch_on_all_apps:
# necessary when running as service with the window closed
self.on_enable_app(None, True, idx)
# checking if this app is already on the list
# if it isn't we add it
add_to_list = True
for a in self.apps_list:
if a[0] == idx:
add_to_list = False
break
if add_to_list:
state = False
# app wants the pipeline to be running only if it is connected
# and not corked
if connected and not corked:
state = True
self.apps_list.append([idx, state])
self.set_pipeline_state()
def on_app_changed(self, obj, parameters):
if self.there_is_window:
self.change_app_ui(parameters)
idx = parameters['index']
corked = parameters['corked']
connected = parameters['connected']
# updating app state if it is in app_list
for a in self.apps_list:
if a[0] == idx:
state = False
if connected and not corked:
state = True
a[1] = state
break
self.set_pipeline_state()
def on_app_removed(self, obj, idx):
for a in self.apps_list:
if a[0] == idx:
self.remove_app_ui(idx)
self.apps_list.remove(a)
self.set_pipeline_state()
break
def on_stream_level_changed(self, obj, idx, level):
if hasattr(self, 'app_level_' + str(idx)):
getattr(self, 'app_level_' + str(idx)).set_value(level)
def post_messages(self, state):
self.limiter.post_messages(state)
self.compressor.post_messages(state)
self.highpass.post_messages(state)
self.lowpass.post_messages(state)
self.equalizer.post_messages(state)
self.reverb.post_messages(state)
self.spectrum.set_property('post-messages', state)
def on_message_element(self, bus, msg):
plugin = msg.src.get_name()
if plugin == 'limiter_input_level':
peak = msg.get_structure().get_value('peak')
self.limiter.ui_update_limiter_input_level(peak)
elif plugin == 'limiter_output_level':
peak = msg.get_structure().get_value('peak')
self.limiter.ui_update_limiter_output_level(peak)
elif plugin == 'autovolume':
peak = msg.get_structure().get_value('peak')
max_value = max(peak)
if max_value > self.limiter.autovolume_threshold:
self.limiter.auto_gain(max_value)
elif plugin == 'compressor_input_level':
peak = msg.get_structure().get_value('peak')
self.compressor.ui_update_input_level(peak)
elif plugin == 'compressor_output_level':
peak = msg.get_structure().get_value('peak')
self.compressor.ui_update_output_level(peak)
elif plugin == 'highpass_input_level':
peak = msg.get_structure().get_value('peak')
self.highpass.ui_update_highpass_input_level(peak)
elif plugin == 'highpass_output_level':
peak = msg.get_structure().get_value('peak')
self.highpass.ui_update_highpass_output_level(peak)
elif plugin == 'lowpass_input_level':
peak = msg.get_structure().get_value('peak')
self.lowpass.ui_update_lowpass_input_level(peak)
elif plugin == 'lowpass_output_level':
peak = msg.get_structure().get_value('peak')
self.lowpass.ui_update_lowpass_output_level(peak)
elif plugin == 'equalizer_input_level':
peak = msg.get_structure().get_value('peak')
self.equalizer.ui_update_equalizer_input_level(peak)
elif plugin == 'equalizer_output_level':
peak = msg.get_structure().get_value('peak')
self.equalizer.ui_update_equalizer_output_level(peak)
elif plugin == 'reverb_input_level':
peak = msg.get_structure().get_value('peak')
self.reverb.ui_update_reverb_input_level(peak)
elif plugin == 'reverb_output_level':
peak = msg.get_structure().get_value('peak')
self.reverb.ui_update_reverb_output_level(peak)
elif plugin == 'spectrum':
magnitudes = msg.get_structure().get_value('magnitude')
cs = CubicSpline(self.spectrum_freqs,
magnitudes[:self.spectrum_nfreqs])
magnitudes = cs(self.spectrum_x_axis)
max_mag = np.amax(magnitudes)
min_mag = self.spectrum_threshold
if max_mag > min_mag:
magnitudes = (min_mag - magnitudes) / min_mag
self.emit('new_spectrum', magnitudes)
return True
def on_limiter_enable(self, obj, state):
if state:
if not self.limiter_wrapper.get_by_name('limiter_bin'):
self.limiter_wrapper.append(self.limiter.bin,
self.on_filter_added, self.log_tag)
else:
self.limiter_wrapper.remove(self.limiter.bin,
self.on_filter_removed, self.log_tag)
def on_compressor_enable(self, obj, state):
if state:
if not self.compressor_wrapper.get_by_name('compressor_bin'):
self.compressor_wrapper.append(self.compressor.bin,
self.on_filter_added,
self.log_tag)
else:
self.compressor_wrapper.remove(self.compressor.bin,
self.on_filter_removed,
self.log_tag)
def on_highpass_enable(self, obj, state):
if state:
if not self.highpass_wrapper.get_by_name('highpass_bin'):
self.highpass_wrapper.append(self.highpass.bin,
self.on_filter_added,
self.log_tag)
else:
self.highpass_wrapper.remove(self.highpass.bin,
self.on_filter_removed, self.log_tag)
def on_lowpass_enable(self, obj, state):
if state:
if not self.lowpass_wrapper.get_by_name('lowpass_bin'):
self.lowpass_wrapper.append(self.lowpass.bin,
self.on_filter_added, self.log_tag)
else:
self.lowpass_wrapper.remove(self.lowpass.bin,
self.on_filter_removed, self.log_tag)
def on_equalizer_enable(self, obj, state):
if state:
if not self.equalizer_wrapper.get_by_name('equalizer_bin'):
self.equalizer_wrapper.append(self.equalizer.bin,
self.on_filter_added,
self.log_tag)
else:
self.equalizer_wrapper.remove(self.equalizer.bin,
self.on_filter_removed, self.log_tag)
def on_reverb_enable(self, obj, state):
if state:
if not self.reverb_wrapper.get_by_name('reverb_bin'):
self.reverb_wrapper.append(self.reverb.bin,
self.on_filter_added, self.log_tag)
else:
self.reverb_wrapper.remove(self.reverb.bin, self.on_filter_removed,
self.log_tag)
def enable_spectrum(self, state):
if state:
if not self.spectrum_wrapper.get_by_name('spectrum'):
self.spectrum_wrapper.append(self.spectrum,
self.on_filter_added,
self.log_tag)
else:
self.spectrum_wrapper.remove(self.spectrum, self.on_filter_removed,
self.log_tag)
def reset(self):
self.limiter.reset()
self.compressor.reset()
self.highpass.reset()
self.lowpass.reset()
self.equalizer.reset()
self.reverb.reset()