2 # -*- coding: utf-8 -*-
4 # This file is part of jack_mixer
6 # Copyright (C) 2006-2009 Nedko Arnaudov <nedko@arnaudov.name>
7 # Copyright (C) 2009 Frederic Peters <fpeters@0d.be>
9 # This program is free software; you can redistribute it and/or modify
10 # it under the terms of the GNU General Public License as published by
11 # the Free Software Foundation; version 2 of the License
13 # This program is distributed in the hope that it will be useful,
14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 # GNU General Public License for more details.
18 # You should have received a copy of the GNU General Public License
19 # along with this program; if not, write to the Free Software
20 # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
26 from argparse import ArgumentParser
29 gi.require_version('Gtk', '3.0')
30 from gi.repository import Gtk
31 from gi.repository import GObject
32 from gi.repository import GLib
34 # temporary change Python modules lookup path to look into installation
35 # directory ($prefix/share/jack_mixer/)
37 sys.path.insert(0, os.path.join(os.path.dirname(sys.argv[0]), '..', 'share', 'jack_mixer'))
44 from nsmclient import NSMClient
45 from serialization_xml import XmlSerialization
46 from serialization import SerializedObject, Serializator
47 from preferences import PreferencesDialog
49 # restore Python modules lookup path
51 log = logging.getLogger("jack_mixer")
54 class JackMixer(SerializedObject):
56 # scales suitable as meter scales
57 meter_scales = [scale.IEC268(), scale.Linear70dB(), scale.IEC268Minimalistic()]
59 # scales suitable as volume slider scales
60 slider_scales = [scale.Linear30dB(), scale.Linear70dB()]
62 # name of settngs file that is currently open
63 current_filename = None
65 _init_solo_channels = None
67 def __init__(self, client_name='jack_mixer'):
69 self.nsm_client = None
71 if os.environ.get('NSM_URL'):
72 self.nsm_client = NSMClient(prettyName = "jack_mixer",
73 saveCallback = self.nsm_save_cb,
74 openOrNewCallback = self.nsm_open_cb,
75 supportsSaveStatus = False,
76 hideGUICallback = self.nsm_hide_cb,
77 showGUICallback = self.nsm_show_cb,
78 exitProgramCallback = self.nsm_exit_cb,
79 loggingLevel = "error",
81 self.nsm_client.announceGuiVisibility(self.visible)
85 self.create_mixer(client_name, with_nsm = False)
87 def create_mixer(self, client_name, with_nsm = True):
88 self.create_ui(with_nsm)
89 self.mixer = jack_mixer_c.Mixer(client_name)
93 self.window.set_title(client_name)
95 self.monitor_channel = self.mixer.add_output_channel("Monitor", True, True)
98 GLib.timeout_add(80, self.read_meters)
100 GLib.timeout_add(200, self.nsm_react)
101 GLib.timeout_add(50, self.midi_events_check)
103 def new_menu_item(self, title, callback=None, accel=None, enabled=True):
104 menuitem = Gtk.MenuItem.new_with_mnemonic(title)
105 menuitem.set_sensitive(enabled)
107 menuitem.connect("activate", callback)
109 key, mod = Gtk.accelerator_parse(accel)
110 menuitem.add_accelerator("activate", self.menu_accelgroup, key, mod,
111 Gtk.AccelFlags.VISIBLE)
114 def create_ui(self, with_nsm):
116 self.output_channels = []
117 self.window = Gtk.Window(type=Gtk.WindowType.TOPLEVEL)
118 self.window.set_icon_name('jack_mixer')
119 self.gui_factory = gui.Factory(self.window, self.meter_scales, self.slider_scales)
120 self.gui_factory.connect('midi-behavior-mode-changed', self.on_midi_behavior_mode_changed)
121 self.vbox_top = Gtk.VBox()
122 self.window.add(self.vbox_top)
124 self.menu_accelgroup = Gtk.AccelGroup()
125 self.window.add_accel_group(self.menu_accelgroup)
127 self.menubar = Gtk.MenuBar()
128 self.vbox_top.pack_start(self.menubar, False, True, 0)
130 mixer_menu_item = Gtk.MenuItem.new_with_mnemonic("_Mixer")
131 self.menubar.append(mixer_menu_item)
132 edit_menu_item = Gtk.MenuItem.new_with_mnemonic('_Edit')
133 self.menubar.append(edit_menu_item)
134 help_menu_item = Gtk.MenuItem.new_with_mnemonic('_Help')
135 self.menubar.append(help_menu_item)
137 self.window.set_default_size(420, 420)
139 self.mixer_menu = Gtk.Menu()
140 mixer_menu_item.set_submenu(self.mixer_menu)
142 self.mixer_menu.append(self.new_menu_item('New _Input Channel',
143 self.on_add_input_channel, "<Control>N"))
144 self.mixer_menu.append(self.new_menu_item('New Output _Channel',
145 self.on_add_output_channel, "<Shift><Control>N"))
147 self.mixer_menu.append(Gtk.SeparatorMenuItem())
149 self.mixer_menu.append(self.new_menu_item('_Open...', self.on_open_cb, "<Control>O"))
151 self.mixer_menu.append(self.new_menu_item('_Save', self.on_save_cb, "<Control>S"))
154 self.mixer_menu.append(self.new_menu_item('Save _As...', self.on_save_as_cb,
155 "<Shift><Control>S"))
157 self.mixer_menu.append(Gtk.SeparatorMenuItem())
158 self.mixer_menu.append(self.new_menu_item('_Quit', self.on_quit_cb, "<Control>Q"))
160 edit_menu = Gtk.Menu()
161 edit_menu_item.set_submenu(edit_menu)
163 self.channel_edit_input_menu_item = self.new_menu_item('_Edit Input Channel',
165 edit_menu.append(self.channel_edit_input_menu_item)
166 self.channel_edit_input_menu = Gtk.Menu()
167 self.channel_edit_input_menu_item.set_submenu(self.channel_edit_input_menu)
169 self.channel_edit_output_menu_item = self.new_menu_item('E_dit Output Channel',
171 edit_menu.append(self.channel_edit_output_menu_item)
172 self.channel_edit_output_menu = Gtk.Menu()
173 self.channel_edit_output_menu_item.set_submenu(self.channel_edit_output_menu)
175 self.channel_remove_input_menu_item = self.new_menu_item('_Remove Input Channel',
177 edit_menu.append(self.channel_remove_input_menu_item)
178 self.channel_remove_input_menu = Gtk.Menu()
179 self.channel_remove_input_menu_item.set_submenu(self.channel_remove_input_menu)
181 self.channel_remove_output_menu_item = self.new_menu_item('Re_move Output Channel',
183 edit_menu.append(self.channel_remove_output_menu_item)
184 self.channel_remove_output_menu = Gtk.Menu()
185 self.channel_remove_output_menu_item.set_submenu(self.channel_remove_output_menu)
187 edit_menu.append(self.new_menu_item('_Clear', self.on_channels_clear, "<Control>X"))
188 edit_menu.append(Gtk.SeparatorMenuItem())
189 edit_menu.append(self.new_menu_item('_Preferences', self.on_preferences_cb, "<Control>P"))
191 help_menu = Gtk.Menu()
192 help_menu_item.set_submenu(help_menu)
194 help_menu.append(self.new_menu_item('_About', self.on_about, "F1"))
196 self.hbox_top = Gtk.HBox()
197 self.vbox_top.pack_start(self.hbox_top, True, True, 0)
199 self.scrolled_window = Gtk.ScrolledWindow()
200 self.scrolled_window.set_policy(Gtk.PolicyType.AUTOMATIC, Gtk.PolicyType.AUTOMATIC)
202 self.hbox_inputs = Gtk.Box()
203 self.hbox_inputs.set_spacing(0)
204 self.hbox_inputs.set_border_width(0)
205 self.hbox_top.set_spacing(0)
206 self.hbox_top.set_border_width(0)
207 self.scrolled_window.add(self.hbox_inputs)
208 self.hbox_outputs = Gtk.Box()
209 self.hbox_outputs.set_spacing(0)
210 self.hbox_outputs.set_border_width(0)
211 self.scrolled_output = Gtk.ScrolledWindow()
212 self.scrolled_output.set_policy(Gtk.PolicyType.AUTOMATIC, Gtk.PolicyType.AUTOMATIC)
213 self.scrolled_output.add(self.hbox_outputs)
214 self.paned = Gtk.HPaned()
215 self.paned.set_wide_handle(True)
216 self.hbox_top.pack_start(self.paned, True, True, 0)
217 self.paned.pack1(self.scrolled_window, True, False)
218 self.paned.pack2(self.scrolled_output, True, False)
220 self.window.connect("destroy", Gtk.main_quit)
222 self.window.connect('delete-event', self.on_delete_event)
225 self.nsm_client.reactToMessage()
228 def nsm_hide_cb(self):
231 self.nsm_client.announceGuiVisibility(False)
233 def nsm_show_cb(self):
234 self.window.show_all()
236 self.nsm_client.announceGuiVisibility(True)
238 def nsm_open_cb(self, path, session_name, client_name):
239 self.create_mixer(client_name, with_nsm = True)
240 self.current_filename = path + '.xml'
241 if os.path.isfile(self.current_filename):
242 f = open(self.current_filename, 'r')
243 self.load_from_xml(f)
246 f = open(self.current_filename, 'w')
249 def nsm_save_cb(self, path, session_name, client_name):
250 self.current_filename = path + '.xml'
251 f = open(self.current_filename, 'w')
255 def nsm_exit_cb(self, path, session_name, client_name):
258 def on_midi_behavior_mode_changed(self, gui_factory, value):
259 self.mixer.midi_behavior_mode = value
261 def on_delete_event(self, widget, event):
264 def sighandler(self, signum, frame):
265 log.debug("Signal %d received.", signum)
266 if signum == signal.SIGUSR1:
268 elif signum == signal.SIGTERM:
270 elif signum == signal.SIGINT:
273 log.warning("Unknown signal %d received.", signum)
276 log.debug("Cleaning jack_mixer.")
280 for channel in self.channels:
285 def on_open_cb(self, *args):
286 dlg = Gtk.FileChooserDialog(title='Open', parent=self.window,
287 action=Gtk.FileChooserAction.OPEN)
288 dlg.add_buttons(Gtk.STOCK_CANCEL, Gtk.ResponseType.CANCEL,
289 Gtk.STOCK_OPEN, Gtk.ResponseType.OK)
290 dlg.set_default_response(Gtk.ResponseType.OK)
291 if dlg.run() == Gtk.ResponseType.OK:
292 filename = dlg.get_filename()
294 f = open(filename, 'r')
295 self.load_from_xml(f)
296 except Exception as e:
297 error_dialog(self.window, "Failed loading settings (%s)", e)
299 self.current_filename = filename
304 def on_save_cb(self, *args):
305 if not self.current_filename:
306 return self.on_save_as_cb()
307 f = open(self.current_filename, 'w')
311 def on_save_as_cb(self, *args):
312 dlg = Gtk.FileChooserDialog(title='Save', parent=self.window,
313 action=Gtk.FileChooserAction.SAVE)
314 dlg.add_buttons(Gtk.STOCK_CANCEL, Gtk.ResponseType.CANCEL,
315 Gtk.STOCK_SAVE, Gtk.ResponseType.OK)
316 dlg.set_default_response(Gtk.ResponseType.OK)
317 if dlg.run() == Gtk.ResponseType.OK:
318 self.current_filename = dlg.get_filename()
322 def on_quit_cb(self, *args):
325 preferences_dialog = None
326 def on_preferences_cb(self, widget):
327 if not self.preferences_dialog:
328 self.preferences_dialog = PreferencesDialog(self)
329 self.preferences_dialog.show()
330 self.preferences_dialog.present()
332 def on_add_input_channel(self, widget):
333 dialog = NewInputChannelDialog(app=self)
334 dialog.set_transient_for(self.window)
339 if ret == Gtk.ResponseType.OK:
340 result = dialog.get_result()
341 channel = self.add_channel(**result)
343 self.window.show_all()
345 def on_add_output_channel(self, widget):
346 dialog = NewOutputChannelDialog(app=self)
347 dialog.set_transient_for(self.window)
352 if ret == Gtk.ResponseType.OK:
353 result = dialog.get_result()
354 channel = self.add_output_channel(**result)
356 self.window.show_all()
358 def on_edit_input_channel(self, widget, channel):
359 log.debug('Editing input channel "%s".', channel.channel_name)
360 channel.on_channel_properties()
362 def remove_channel_edit_input_menuitem_by_label(self, widget, label):
363 if (widget.get_label() == label):
364 self.channel_edit_input_menu.remove(widget)
366 def on_remove_input_channel(self, widget, channel):
367 log.debug('Removing input channel "%s".', channel.channel_name)
368 self.channel_remove_input_menu.remove(widget)
369 self.channel_edit_input_menu.foreach(
370 self.remove_channel_edit_input_menuitem_by_label,
371 channel.channel_name);
372 if self.monitored_channel is channel:
373 channel.monitor_button.set_active(False)
374 for i in range(len(self.channels)):
375 if self.channels[i] is channel:
378 self.hbox_inputs.remove(channel.get_parent())
380 if not self.channels:
381 self.channel_edit_input_menu_item.set_sensitive(False)
382 self.channel_remove_input_menu_item.set_sensitive(False)
384 def on_edit_output_channel(self, widget, channel):
385 log.debug('Editing output channel "%s".', channel.channel_name)
386 channel.on_channel_properties()
388 def remove_channel_edit_output_menuitem_by_label(self, widget, label):
389 if (widget.get_label() == label):
390 self.channel_edit_output_menu.remove(widget)
392 def on_remove_output_channel(self, widget, channel):
393 log.debug('Removing output channel "%s".', channel.channel_name)
394 self.channel_remove_output_menu.remove(widget)
395 self.channel_edit_output_menu.foreach(
396 self.remove_channel_edit_output_menuitem_by_label,
397 channel.channel_name);
398 if self.monitored_channel is channel:
399 channel.monitor_button.set_active(False)
400 for i in range(len(self.channels)):
401 if self.output_channels[i] is channel:
403 del self.output_channels[i]
404 self.hbox_outputs.remove(channel.get_parent())
406 if not self.output_channels:
407 self.channel_edit_output_menu_item.set_sensitive(False)
408 self.channel_remove_output_menu_item.set_sensitive(False)
410 def rename_channels(self, container, parameters):
411 if (container.get_label() == parameters['oldname']):
412 container.set_label(parameters['newname'])
414 def on_channel_rename(self, oldname, newname):
415 rename_parameters = { 'oldname' : oldname, 'newname' : newname }
416 self.channel_edit_input_menu.foreach(self.rename_channels,
418 self.channel_edit_output_menu.foreach(self.rename_channels,
420 self.channel_remove_input_menu.foreach(self.rename_channels,
422 self.channel_remove_output_menu.foreach(self.rename_channels,
424 log.debug('Renaming channel from "%s" to "%s".', oldname, newname)
426 def on_channels_clear(self, widget):
427 dlg = Gtk.MessageDialog(parent = self.window,
429 message_type = Gtk.MessageType.WARNING,
430 text = "Are you sure you want to clear all channels?",
431 buttons = Gtk.ButtonsType.OK_CANCEL)
432 if not widget or dlg.run() == Gtk.ResponseType.OK:
433 for channel in self.output_channels:
435 self.hbox_outputs.remove(channel.get_parent())
436 for channel in self.channels:
438 self.hbox_inputs.remove(channel.get_parent())
440 self.output_channels = []
441 self.channel_edit_input_menu = Gtk.Menu()
442 self.channel_edit_input_menu_item.set_submenu(self.channel_edit_input_menu)
443 self.channel_edit_input_menu_item.set_sensitive(False)
444 self.channel_remove_input_menu = Gtk.Menu()
445 self.channel_remove_input_menu_item.set_submenu(self.channel_remove_input_menu)
446 self.channel_remove_input_menu_item.set_sensitive(False)
447 self.channel_edit_output_menu = Gtk.Menu()
448 self.channel_edit_output_menu_item.set_submenu(self.channel_edit_output_menu)
449 self.channel_edit_output_menu_item.set_sensitive(False)
450 self.channel_remove_output_menu = Gtk.Menu()
451 self.channel_remove_output_menu_item.set_submenu(self.channel_remove_output_menu)
452 self.channel_remove_output_menu_item.set_sensitive(False)
455 def add_channel(self, name, stereo, volume_cc, balance_cc, mute_cc, solo_cc, value):
457 channel = InputChannel(self, name, stereo, value)
458 self.add_channel_precreated(channel)
460 error_dialog(self.window, "Channel creation failed.")
463 channel.channel.volume_midi_cc = volume_cc
465 channel.channel.autoset_volume_midi_cc()
467 channel.channel.balance_midi_cc = balance_cc
469 channel.channel.autoset_balance_midi_cc()
471 channel.channel.mute_midi_cc = mute_cc
473 channel.channel.autoset_mute_midi_cc()
475 channel.channel.solo_midi_cc = solo_cc
477 channel.channel.autoset_solo_midi_cc()
480 def add_channel_precreated(self, channel):
483 self.hbox_inputs.pack_start(frame, False, True, 0)
486 channel_edit_menu_item = Gtk.MenuItem(label=channel.channel_name)
487 self.channel_edit_input_menu.append(channel_edit_menu_item)
488 channel_edit_menu_item.connect("activate", self.on_edit_input_channel, channel)
489 self.channel_edit_input_menu_item.set_sensitive(True)
491 channel_remove_menu_item = Gtk.MenuItem(label=channel.channel_name)
492 self.channel_remove_input_menu.append(channel_remove_menu_item)
493 channel_remove_menu_item.connect("activate", self.on_remove_input_channel, channel)
494 self.channel_remove_input_menu_item.set_sensitive(True)
496 self.channels.append(channel)
498 for outputchannel in self.output_channels:
499 channel.add_control_group(outputchannel)
501 # create post fader output channel matching the input channel
502 channel.post_fader_output_channel = self.mixer.add_output_channel(
503 channel.channel.name + ' Out', channel.channel.is_stereo, True)
504 channel.post_fader_output_channel.volume = 0
505 channel.post_fader_output_channel.set_solo(channel.channel, True)
507 def read_meters(self):
508 for channel in self.channels:
510 for channel in self.output_channels:
514 def midi_events_check(self):
515 for channel in self.channels + self.output_channels:
516 channel.midi_events_check()
519 def add_output_channel(self, name, stereo, volume_cc, balance_cc, mute_cc,
520 display_solo_buttons, color, value):
522 channel = OutputChannel(self, name, stereo, value)
523 channel.display_solo_buttons = display_solo_buttons
524 channel.color = color
525 self.add_output_channel_precreated(channel)
527 error_dialog(self.window, "Channel creation failed")
531 channel.channel.volume_midi_cc = volume_cc
533 channel.channel.autoset_volume_midi_cc()
535 channel.channel.balance_midi_cc = balance_cc
537 channel.channel.autoset_balance_midi_cc()
539 channel.channel.mute_midi_cc = mute_cc
541 channel.channel.autoset_mute_midi_cc()
545 def add_output_channel_precreated(self, channel):
548 self.hbox_outputs.pack_end(frame, False, True, 0)
549 self.hbox_outputs.reorder_child(frame, 0)
552 channel_edit_menu_item = Gtk.MenuItem(label=channel.channel_name)
553 self.channel_edit_output_menu.append(channel_edit_menu_item)
554 channel_edit_menu_item.connect("activate", self.on_edit_output_channel, channel)
555 self.channel_edit_output_menu_item.set_sensitive(True)
557 channel_remove_menu_item = Gtk.MenuItem(label=channel.channel_name)
558 self.channel_remove_output_menu.append(channel_remove_menu_item)
559 channel_remove_menu_item.connect("activate", self.on_remove_output_channel, channel)
560 self.channel_remove_output_menu_item.set_sensitive(True)
562 self.output_channels.append(channel)
564 _monitored_channel = None
565 def get_monitored_channel(self):
566 return self._monitored_channel
568 def set_monitored_channel(self, channel):
569 if self._monitored_channel:
570 if channel.channel.name == self._monitored_channel.channel.name:
572 self._monitored_channel = channel
573 if type(channel) is InputChannel:
574 # reset all solo/mute settings
575 for in_channel in self.channels:
576 self.monitor_channel.set_solo(in_channel.channel, False)
577 self.monitor_channel.set_muted(in_channel.channel, False)
578 self.monitor_channel.set_solo(channel.channel, True)
579 self.monitor_channel.prefader = True
581 self.monitor_channel.prefader = False
582 self.update_monitor(channel)
583 monitored_channel = property(get_monitored_channel, set_monitored_channel)
585 def update_monitor(self, channel):
586 if self.monitored_channel is not channel:
588 self.monitor_channel.volume = channel.channel.volume
589 self.monitor_channel.balance = channel.channel.balance
590 self.monitor_channel.out_mute = channel.channel.out_mute
591 if type(self.monitored_channel) is OutputChannel:
592 # sync solo/muted channels
593 for input_channel in self.channels:
594 self.monitor_channel.set_solo(input_channel.channel,
595 channel.channel.is_solo(input_channel.channel))
596 self.monitor_channel.set_muted(input_channel.channel,
597 channel.channel.is_muted(input_channel.channel))
599 def get_input_channel_by_name(self, name):
600 for input_channel in self.channels:
601 if input_channel.channel.name == name:
605 def on_about(self, *args):
606 about = Gtk.AboutDialog()
607 about.set_name('jack_mixer')
608 about.set_copyright('Copyright © 2006-2020\nNedko Arnaudov, Frédéric Péters, Arnout Engelen, Daniel Sheeler')
609 about.set_license('''\
610 jack_mixer is free software; you can redistribute it and/or modify it
611 under the terms of the GNU General Public License as published by the
612 Free Software Foundation; either version 2 of the License, or (at your
613 option) any later version.
615 jack_mixer is distributed in the hope that it will be useful, but
616 WITHOUT ANY WARRANTY; without even the implied warranty of
617 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
618 General Public License for more details.
620 You should have received a copy of the GNU General Public License along
621 with jack_mixer; if not, write to the Free Software Foundation, Inc., 51
622 Franklin Street, Fifth Floor, Boston, MA 02110-130159 USA''')
624 'Nedko Arnaudov <nedko@arnaudov.name>',
625 'Christopher Arndt <chris@chrisarndt.de>',
626 'Arnout Engelen <arnouten@bzzt.net>',
627 'John Hedges <john@drystone.co.uk>',
628 'Olivier Humbert <trebmuh@tuxfamily.org>',
629 'Sarah Mischke <sarah@spooky-online.de>',
630 'Frédéric Péters <fpeters@0d.be>',
631 'Daniel Sheeler <dsheeler@pobox.com>',
632 'Athanasios Silis <athanasios.silis@gmail.com>',
634 about.set_logo_icon_name('jack_mixer')
635 about.set_website('https://rdio.space/jackmixer/')
640 def save_to_xml(self, file):
641 log.debug("Saving to XML...")
642 b = XmlSerialization()
647 def load_from_xml(self, file, silence_errors=False):
648 log.debug("Loading from XML...")
649 self.unserialized_channels = []
650 b = XmlSerialization()
657 self.on_channels_clear(None)
659 s.unserialize(self, b)
660 for channel in self.unserialized_channels:
661 if isinstance(channel, InputChannel):
662 if self._init_solo_channels and channel.channel_name in self._init_solo_channels:
664 self.add_channel_precreated(channel)
665 self._init_solo_channels = None
666 for channel in self.unserialized_channels:
667 if isinstance(channel, OutputChannel):
668 self.add_output_channel_precreated(channel)
669 del self.unserialized_channels
671 self.window.show_all()
673 def serialize(self, object_backend):
674 width, height = self.window.get_size()
675 object_backend.add_property('geometry',
676 '%sx%s' % (width, height))
677 pos = self.paned.get_position()
678 object_backend.add_property('paned_position', '%s' % pos)
680 for input_channel in self.channels:
681 if input_channel.channel.solo:
682 solo_channels.append(input_channel)
684 object_backend.add_property('solo_channels', '|'.join([x.channel.name for x in solo_channels]))
685 object_backend.add_property('visible', '%s' % str(self.visible))
687 def unserialize_property(self, name, value):
688 if name == 'geometry':
689 width, height = value.split('x')
690 self.window.resize(int(width), int(height))
692 if name == 'solo_channels':
693 self._init_solo_channels = value.split('|')
695 if name == 'visible':
696 self.visible = value == 'True'
698 if name == 'paned_position':
700 self.paned.set_position(pos)
704 def unserialize_child(self, name):
705 if name == InputChannel.serialization_name():
706 channel = InputChannel(self, "", True)
707 self.unserialized_channels.append(channel)
710 if name == OutputChannel.serialization_name():
711 channel = OutputChannel(self, "", True)
712 self.unserialized_channels.append(channel)
715 if name == gui.Factory.serialization_name():
716 return self.gui_factory
718 def serialization_get_childs(self):
719 '''Get child objects that required and support serialization'''
720 childs = self.channels[:] + self.output_channels[:] + [self.gui_factory]
723 def serialization_name(self):
731 self.window.show_all()
733 signal.signal(signal.SIGUSR1, self.sighandler)
734 signal.signal(signal.SIGTERM, self.sighandler)
735 signal.signal(signal.SIGINT, self.sighandler)
736 signal.signal(signal.SIGHUP, signal.SIG_IGN)
740 #f = file("/dev/stdout", "w")
746 def error_dialog(parent, msg, *args):
747 log.exception(msg, *args)
748 err = Gtk.MessageDialog(parent=parent, modal=True, destroy_with_parent=True,
749 message_type=Gtk.MessageType.ERROR, buttons=Gtk.ButtonsType.OK, text=msg % args)
755 parser = ArgumentParser()
756 parser.add_argument('-c', '--config', help='use a non default configuration file')
757 parser.add_argument('-d', '--debug', action="store_true", help='Enable debug logging messages')
758 parser.add_argument('client_name', metavar='NAME', nargs='?', default='jack_mixer',
759 help='set JACK client name')
760 args = parser.parse_args()
762 logging.basicConfig(level=logging.DEBUG if args.debug else logging.INFO,
763 format="%(levelname)s: %(message)s")
766 mixer = JackMixer(args.client_name)
767 except Exception as e:
768 error_dialog(None, "Mixer creation failed (%s).", e)
771 if not mixer.nsm_client and args.config:
772 f = open(args.config)
773 mixer.current_filename = args.config
776 mixer.load_from_xml(f)
777 except Exception as e:
778 error_dialog(mixer.window, "Failed loading settings (%s).", e)
780 mixer.window.set_default_size(60*(1+len(mixer.channels)+len(mixer.output_channels)), 300)
787 if __name__ == "__main__":