jack_mixer.py

   1 #!/usr/bin/env python
   2 # -*- coding: UTF-8 -*-
   3 #
   4 # This file is part of jack_mixer
   5 #
   6 # Copyright (C) 2006-2009 Nedko Arnaudov <nedko@arnaudov.name>
   7 # Copyright (C) 2009 Frederic Peters <fpeters@0d.be>
   8 #
   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
  12 #
  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.
  17 #
  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.
  21
  22 from optparse import OptionParser
  23
  24 import gtk
  25 import gobject
  26 import sys
  27 import os
  28
  29 try:
  30     import lash
  31 except:
  32     lash = None
  33     print >> sys.stderr, "Cannot load LASH python bindings, you want them unless you enjoy manual jack plumbing each time you use this app"
  34
  35 # temporary change Python modules lookup path to look into installation
  36 # directory ($prefix/share/jack_mixer/)
  37 old_path = sys.path
  38 sys.path.insert(0, os.path.join(os.path.dirname(sys.argv[0]), '..', 'share', 'jack_mixer'))
  39
  40 import jack_mixer_c
  41 import scale
  42 from channel import *
  43
  44 import gui
  45 from preferences import PreferencesDialog
  46
  47 from serialization_xml import XmlSerialization
  48 from serialization import SerializedObject, Serializator
  49
  50 # restore Python modules lookup path
  51 sys.path = old_path
  52
  53 class JackMixer(SerializedObject):
  54
  55     # scales suitable as meter scales
  56     meter_scales = [scale.IEC268(), scale.Linear70dB(), scale.IEC268Minimalistic()]
  57
  58     # scales suitable as volume slider scales
  59     slider_scales = [scale.Linear30dB(), scale.Linear70dB()]
  60
  61     # name of settngs file that is currently open
  62     current_filename = None
  63
  64     def __init__(self, name, lash_client):
  65         self.mixer = jack_mixer_c.Mixer(name)
  66         if not self.mixer:
  67             return
  68         self.monitor_channel = self.mixer.add_output_channel("Monitor", True, True)
  69
  70         if lash_client:
  71             # Send our client name to server
  72             lash_event = lash.lash_event_new_with_type(lash.LASH_Client_Name)
  73             lash.lash_event_set_string(lash_event, name)
  74             lash.lash_send_event(lash_client, lash_event)
  75
  76             lash.lash_jack_client_name(lash_client, name)
  77
  78         gtk.window_set_default_icon_name('jack_mixer')
  79
  80         self.window = gtk.Window(gtk.WINDOW_TOPLEVEL)
  81         self.window.set_title(name)
  82
  83         self.gui_factory = gui.Factory(self.window, self.meter_scales, self.slider_scales)
  84
  85         self.vbox_top = gtk.VBox()
  86         self.window.add(self.vbox_top)
  87
  88         self.menubar = gtk.MenuBar()
  89         self.vbox_top.pack_start(self.menubar, False)
  90
  91         mixer_menu_item = gtk.MenuItem("_Mixer")
  92         self.menubar.append(mixer_menu_item)
  93         edit_menu_item = gtk.MenuItem('_Edit')
  94         self.menubar.append(edit_menu_item)
  95         help_menu_item = gtk.MenuItem('_Help')
  96         self.menubar.append(help_menu_item)
  97
  98         self.window.set_default_size(120, 300)
  99
 100         mixer_menu = gtk.Menu()
 101         mixer_menu_item.set_submenu(mixer_menu)
 102
 103         add_input_channel = gtk.ImageMenuItem('New _Input Channel')
 104         mixer_menu.append(add_input_channel)
 105         add_input_channel.connect("activate", self.on_add_input_channel)
 106
 107         add_output_channel = gtk.ImageMenuItem('New _Output Channel')
 108         mixer_menu.append(add_output_channel)
 109         add_output_channel.connect("activate", self.on_add_output_channel)
 110
 111         mixer_menu.append(gtk.SeparatorMenuItem())
 112         open = gtk.ImageMenuItem(gtk.STOCK_OPEN)
 113         mixer_menu.append(open)
 114         open.connect('activate', self.on_open_cb)
 115         save = gtk.ImageMenuItem(gtk.STOCK_SAVE)
 116         mixer_menu.append(save)
 117         save.connect('activate', self.on_save_cb)
 118         save_as = gtk.ImageMenuItem(gtk.STOCK_SAVE_AS)
 119         mixer_menu.append(save_as)
 120         save_as.connect('activate', self.on_save_as_cb)
 121
 122         mixer_menu.append(gtk.SeparatorMenuItem())
 123
 124         quit = gtk.ImageMenuItem(gtk.STOCK_QUIT)
 125         mixer_menu.append(quit)
 126         quit.connect('activate', self.on_quit_cb)
 127
 128         edit_menu = gtk.Menu()
 129         edit_menu_item.set_submenu(edit_menu)
 130
 131         self.channel_remove_input_menu_item = gtk.MenuItem('Remove Input Channel')
 132         edit_menu.append(self.channel_remove_input_menu_item)
 133         self.channel_remove_input_menu = gtk.Menu()
 134         self.channel_remove_input_menu_item.set_submenu(self.channel_remove_input_menu)
 135
 136         self.channel_remove_output_menu_item = gtk.MenuItem('Remove Output Channel')
 137         edit_menu.append(self.channel_remove_output_menu_item)
 138         self.channel_remove_output_menu = gtk.Menu()
 139         self.channel_remove_output_menu_item.set_submenu(self.channel_remove_output_menu)
 140
 141         channel_remove_all_menu_item = gtk.ImageMenuItem(gtk.STOCK_CLEAR)
 142         edit_menu.append(channel_remove_all_menu_item)
 143         channel_remove_all_menu_item.connect("activate", self.on_channels_clear)
 144
 145         edit_menu.append(gtk.SeparatorMenuItem())
 146
 147         preferences = gtk.ImageMenuItem(gtk.STOCK_PREFERENCES)
 148         preferences.connect('activate', self.on_preferences_cb)
 149         edit_menu.append(preferences)
 150
 151         help_menu = gtk.Menu()
 152         help_menu_item.set_submenu(help_menu)
 153
 154         about = gtk.ImageMenuItem(gtk.STOCK_ABOUT)
 155         help_menu.append(about)
 156         about.connect("activate", self.on_about)
 157
 158         self.hbox_top = gtk.HBox()
 159         self.vbox_top.pack_start(self.hbox_top, True)
 160
 161         self.scrolled_window = gtk.ScrolledWindow()
 162         self.hbox_top.pack_start(self.scrolled_window, True)
 163
 164         self.hbox_inputs = gtk.HBox()
 165         self.hbox_inputs.set_spacing(0)
 166         self.hbox_inputs.set_border_width(0)
 167         self.hbox_top.set_spacing(0)
 168         self.hbox_top.set_border_width(0)
 169         self.channels = []
 170         self.output_channels = []
 171
 172         self.scrolled_window.set_policy(gtk.POLICY_AUTOMATIC, gtk.POLICY_AUTOMATIC)
 173         self.scrolled_window.add_with_viewport(self.hbox_inputs)
 174
 175         self.main_mix = MainMixChannel(self)
 176         self.hbox_outputs = gtk.HBox()
 177         self.hbox_outputs.set_spacing(0)
 178         self.hbox_outputs.set_border_width(0)
 179         frame = gtk.Frame()
 180         frame.add(self.main_mix)
 181         self.hbox_outputs.pack_start(frame, False)
 182         self.hbox_top.pack_start(self.hbox_outputs, False)
 183
 184         self.window.connect("destroy", gtk.main_quit)
 185
 186         gobject.timeout_add(80, self.read_meters)
 187         self.lash_client = lash_client
 188
 189         if lash_client:
 190             gobject.timeout_add(1000, self.lash_check_events)
 191
 192     def cleanup(self):
 193         print "Cleaning jack_mixer"
 194         if not self.mixer:
 195             return
 196
 197         for channel in self.channels:
 198             channel.unrealize()
 199
 200     def on_open_cb(self, *args):
 201         dlg = gtk.FileChooserDialog(title='Open', parent=self.window,
 202                         action=gtk.FILE_CHOOSER_ACTION_OPEN,
 203                         buttons=(gtk.STOCK_CANCEL, gtk.RESPONSE_CANCEL,
 204                                  gtk.STOCK_OPEN, gtk.RESPONSE_OK))
 205         dlg.set_default_response(gtk.RESPONSE_OK)
 206         if dlg.run() == gtk.RESPONSE_OK:
 207             filename = dlg.get_filename()
 208             try:
 209                 f = file(filename, 'r')
 210                 self.load_from_xml(f)
 211             except:
 212                 err = gtk.MessageDialog(self.window,
 213                             gtk.DIALOG_MODAL,
 214                             gtk.MESSAGE_ERROR,
 215                             gtk.BUTTONS_OK,
 216                             "Failed loading settings.")
 217                 err.run()
 218                 err.destroy()
 219             else:
 220                 self.current_filename = filename
 221             finally:
 222                 f.close()
 223         dlg.destroy()
 224
 225     def on_save_cb(self, *args):
 226         if not self.current_filename:
 227             return self.on_save_as_cb()
 228         f = file(self.current_filename, 'w')
 229         self.save_to_xml(f)
 230         f.close()
 231
 232     def on_save_as_cb(self, *args):
 233         dlg = gtk.FileChooserDialog(title='Save', parent=self.window,
 234                         action=gtk.FILE_CHOOSER_ACTION_SAVE,
 235                         buttons=(gtk.STOCK_CANCEL, gtk.RESPONSE_CANCEL,
 236                                  gtk.STOCK_SAVE, gtk.RESPONSE_OK))
 237         dlg.set_default_response(gtk.RESPONSE_OK)
 238         if dlg.run() == gtk.RESPONSE_OK:
 239             self.current_filename = dlg.get_filename()
 240             self.on_save_cb()
 241         dlg.destroy()
 242
 243     def on_quit_cb(self, *args):
 244         gtk.main_quit()
 245
 246     preferences_dialog = None
 247     def on_preferences_cb(self, widget):
 248         if not self.preferences_dialog:
 249             self.preferences_dialog = PreferencesDialog(self)
 250         self.preferences_dialog.show()
 251         self.preferences_dialog.present()
 252
 253     def on_add_input_channel(self, widget):
 254         dialog = NewChannelDialog(app=self)
 255         dialog.set_transient_for(self.window)
 256         dialog.show()
 257         ret = dialog.run()
 258         dialog.hide()
 259
 260         if ret == gtk.RESPONSE_OK:
 261             result = dialog.get_result()
 262             channel = self.add_channel(**result)
 263             self.window.show_all()
 264
 265     def on_add_output_channel(self, widget):
 266         dialog = NewOutputChannelDialog(app=self)
 267         dialog.set_transient_for(self.window)
 268         dialog.show()
 269         ret = dialog.run()
 270         dialog.hide()
 271
 272         if ret == gtk.RESPONSE_OK:
 273             result = dialog.get_result()
 274             channel = self.add_output_channel(**result)
 275             self.window.show_all()
 276
 277     def on_remove_input_channel(self, widget, channel):
 278         print 'Removing channel "%s"' % channel.channel_name
 279         self.channel_remove_input_menu.remove(widget)
 280         if self.monitored_channel is channel:
 281             channel.monitor_button.set_active(False)
 282         for i in range(len(self.channels)):
 283             if self.channels[i] is channel:
 284                 channel.unrealize()
 285                 del self.channels[i]
 286                 self.hbox_inputs.remove(channel.parent)
 287                 break
 288         if len(self.channels) == 0:
 289             self.channel_remove_input_menu_item.set_sensitive(False)
 290
 291     def on_remove_output_channel(self, widget, channel):
 292         print 'Removing channel "%s"' % channel.channel_name
 293         self.channel_remove_output_menu.remove(widget)
 294         if self.monitored_channel is channel:
 295             channel.monitor_button.set_active(False)
 296         for i in range(len(self.channels)):
 297             if self.output_channels[i] is channel:
 298                 channel.unrealize()
 299                 del self.output_channels[i]
 300                 self.hbox_outputs.remove(channel.parent)
 301                 break
 302         if len(self.output_channels) == 0:
 303             self.channel_remove_output_menu_item.set_sensitive(False)
 304
 305     def on_channels_clear(self, widget):
 306         for channel in self.output_channels:
 307             channel.unrealize()
 308             self.hbox_outputs.remove(channel.parent)
 309         for channel in self.channels:
 310             channel.unrealize()
 311             self.hbox_inputs.remove(channel.parent)
 312         self.channels = []
 313         self.output_channels = []
 314         self.channel_remove_input_menu = gtk.Menu()
 315         self.channel_remove_input_menu_item.set_submenu(self.channel_remove_input_menu)
 316         self.channel_remove_input_menu_item.set_sensitive(False)
 317         self.channel_remove_output_menu = gtk.Menu()
 318         self.channel_remove_output_menu_item.set_submenu(self.channel_remove_output_menu)
 319         self.channel_remove_output_menu_item.set_sensitive(False)
 320
 321     def add_channel(self, name, stereo, volume_cc, balance_cc):
 322         try:
 323             channel = InputChannel(self, name, stereo)
 324             self.add_channel_precreated(channel)
 325         except Exception:
 326             err = gtk.MessageDialog(self.window,
 327                             gtk.DIALOG_MODAL | gtk.DIALOG_DESTROY_WITH_PARENT,
 328                             gtk.MESSAGE_ERROR,
 329                             gtk.BUTTONS_OK,
 330                             "Channel creation failed")
 331             err.run()
 332             err.destroy()
 333             return
 334         if volume_cc:
 335             channel.channel.volume_midi_cc = int(volume_cc)
 336         if balance_cc:
 337             channel.channel.balance_midi_cc = int(balance_cc)
 338         if not (volume_cc or balance_cc):
 339             channel.channel.autoset_midi_cc()
 340
 341         return channel
 342
 343     def add_channel_precreated(self, channel):
 344         frame = gtk.Frame()
 345         frame.add(channel)
 346         self.hbox_inputs.pack_start(frame, False)
 347         channel.realize()
 348         channel_remove_menu_item = gtk.MenuItem(channel.channel_name)
 349         self.channel_remove_input_menu.append(channel_remove_menu_item)
 350         channel_remove_menu_item.connect("activate", self.on_remove_input_channel, channel)
 351         self.channel_remove_input_menu_item.set_sensitive(True)
 352         self.channels.append(channel)
 353
 354         for outputchannel in self.output_channels:
 355             channel.add_control_group(outputchannel)
 356
 357         # create post fader output channel matching the input channel
 358         channel.post_fader_output_channel = self.mixer.add_output_channel(
 359                         channel.channel.name + ' Out', channel.channel.is_stereo, True)
 360         channel.post_fader_output_channel.volume = 0
 361         channel.post_fader_output_channel.set_solo(channel.channel, True)
 362
 363     def read_meters(self):
 364         for channel in self.channels:
 365             channel.read_meter()
 366         self.main_mix.read_meter()
 367         for channel in self.output_channels:
 368             channel.read_meter()
 369         return True
 370
 371     def add_output_channel(self, name, stereo, volume_cc, balance_cc, display_solo_buttons):
 372         try:
 373             channel = OutputChannel(self, name, stereo)
 374             channel.display_solo_buttons = display_solo_buttons
 375             self.add_output_channel_precreated(channel)
 376         except Exception:
 377             err = gtk.MessageDialog(self.window,
 378                             gtk.DIALOG_MODAL | gtk.DIALOG_DESTROY_WITH_PARENT,
 379                             gtk.MESSAGE_ERROR,
 380                             gtk.BUTTONS_OK,
 381                             "Channel creation failed")
 382             err.run()
 383             err.destroy()
 384             return
 385         if volume_cc:
 386             channel.channel.volume_midi_cc = int(volume_cc)
 387         if balance_cc:
 388             channel.channel.balance_midi_cc = int(balance_cc)
 389         return channel
 390
 391     def add_output_channel_precreated(self, channel):
 392         frame = gtk.Frame()
 393         frame.add(channel)
 394         self.hbox_outputs.pack_start(frame, False)
 395         channel.realize()
 396         channel_remove_menu_item = gtk.MenuItem(channel.channel_name)
 397         self.channel_remove_output_menu.append(channel_remove_menu_item)
 398         channel_remove_menu_item.connect("activate", self.on_remove_output_channel, channel)
 399         self.channel_remove_output_menu_item.set_sensitive(True)
 400         self.output_channels.append(channel)
 401
 402     _monitored_channel = None
 403     def get_monitored_channel(self):
 404         return self._monitored_channel
 405
 406     def set_monitored_channel(self, channel):
 407         if self._monitored_channel:
 408             if channel.channel.name == self._monitored_channel.channel.name:
 409                 return
 410         self._monitored_channel = channel
 411         if type(channel) is InputChannel:
 412             # reset all solo/mute settings
 413             for in_channel in self.channels:
 414                 self.monitor_channel.set_solo(in_channel.channel, False)
 415                 self.monitor_channel.set_muted(in_channel.channel, False)
 416             self.monitor_channel.set_solo(channel.channel, True)
 417             self.monitor_channel.prefader = True
 418         else:
 419             self.monitor_channel.prefader = False
 420         self.update_monitor(channel)
 421     monitored_channel = property(get_monitored_channel, set_monitored_channel)
 422
 423     def update_monitor(self, channel):
 424         if self.monitored_channel is not channel:
 425             return
 426         self.monitor_channel.volume = channel.channel.volume
 427         self.monitor_channel.balance = channel.channel.balance
 428         if type(self.monitored_channel) is OutputChannel:
 429             # sync solo/muted channels
 430             for input_channel in self.channels:
 431                 self.monitor_channel.set_solo(input_channel.channel,
 432                                 channel.channel.is_solo(input_channel.channel))
 433                 self.monitor_channel.set_muted(input_channel.channel,
 434                                 channel.channel.is_muted(input_channel.channel))
 435         elif type(self.monitored_channel) is MainMixChannel:
 436             # sync solo/muted channels
 437             for input_channel in self.channels:
 438                 self.monitor_channel.set_solo(input_channel.channel,
 439                                 input_channel.channel.solo)
 440                 self.monitor_channel.set_muted(input_channel.channel,
 441                                 input_channel.channel.mute)
 442
 443     def get_input_channel_by_name(self, name):
 444         for input_channel in self.channels:
 445             if input_channel.channel.name == name:
 446                 return input_channel
 447         return None
 448
 449     def on_about(self, *args):
 450         about = gtk.AboutDialog()
 451         about.set_name('jack_mixer')
 452         about.set_copyright('Copyright © 2006-2009\nNedko Arnaudov, Frederic Peters')
 453         about.set_license('''\
 454 jack_mixer is free software; you can redistribute it and/or modify it
 455 under the terms of the GNU General Public License as published by the
 456 Free Software Foundation; either version 2 of the License, or (at your
 457 option) any later version.
 458
 459 jack_mixer is distributed in the hope that it will be useful, but
 460 WITHOUT ANY WARRANTY; without even the implied warranty of
 461 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 462 General Public License for more details.
 463
 464 You should have received a copy of the GNU General Public License along
 465 with jack_mixer; if not, write to the Free Software Foundation, Inc., 51
 466 Franklin Street, Fifth Floor, Boston, MA 02110-130159 USA''')
 467         about.set_authors(['Nedko Arnaudov <nedko@arnaudov.name>',
 468                            'Frederic Peters <fpeters@0d.be>'])
 469         about.set_logo_icon_name('jack_mixer')
 470         about.set_website('http://home.gna.org/jackmixer/')
 471
 472         about.run()
 473         about.destroy()
 474
 475     def lash_check_events(self):
 476         while lash.lash_get_pending_event_count(self.lash_client):
 477             event = lash.lash_get_event(self.lash_client)
 478
 479             #print repr(event)
 480
 481             event_type = lash.lash_event_get_type(event)
 482             if event_type == lash.LASH_Quit:
 483                 print "jack_mixer: LASH ordered quit."
 484                 gtk.main_quit()
 485                 return False
 486             elif event_type == lash.LASH_Save_File:
 487                 directory = lash.lash_event_get_string(event)
 488                 print "jack_mixer: LASH ordered to save data in directory %s" % directory
 489                 filename = directory + os.sep + "jack_mixer.xml"
 490                 f = file(filename, "w")
 491                 self.save_to_xml(f)
 492                 f.close()
 493                 lash.lash_send_event(self.lash_client, event) # we crash with double free
 494             elif event_type == lash.LASH_Restore_File:
 495                 directory = lash.lash_event_get_string(event)
 496                 print "jack_mixer: LASH ordered to restore data from directory %s" % directory
 497                 filename = directory + os.sep + "jack_mixer.xml"
 498                 f = file(filename, "r")
 499                 self.load_from_xml(f, silence_errors=True)
 500                 f.close()
 501                 lash.lash_send_event(self.lash_client, event)
 502             else:
 503                 print "jack_mixer: Got unhandled LASH event, type " + str(event_type)
 504                 return True
 505
 506             #lash.lash_event_destroy(event)
 507
 508         return True
 509
 510     def save_to_xml(self, file):
 511         #print "Saving to XML..."
 512         b = XmlSerialization()
 513         s = Serializator()
 514         s.serialize(self, b)
 515         b.save(file)
 516
 517     def load_from_xml(self, file, silence_errors=False):
 518         #print "Loading from XML..."
 519         self.on_channels_clear(None)
 520         self.unserialized_channels = []
 521         b = XmlSerialization()
 522         try:
 523             b.load(file)
 524         except:
 525             if silence_errors:
 526                 return
 527             raise
 528         s = Serializator()
 529         s.unserialize(self, b)
 530         for channel in self.unserialized_channels:
 531             if isinstance(channel, InputChannel):
 532                 self.add_channel_precreated(channel)
 533         for channel in self.unserialized_channels:
 534             if isinstance(channel, OutputChannel):
 535                 self.add_output_channel_precreated(channel)
 536         del self.unserialized_channels
 537         self.window.show_all()
 538
 539     def serialize(self, object_backend):
 540         object_backend.add_property('geometry',
 541                         '%sx%s' % (self.window.allocation.width, self.window.allocation.height))
 542
 543     def unserialize_property(self, name, value):
 544         if name == 'geometry':
 545             width, height = value.split('x')
 546             self.window.resize(int(width), int(height))
 547             return True
 548
 549     def unserialize_child(self, name):
 550         if name == MainMixChannel.serialization_name():
 551             return self.main_mix
 552
 553         if name == InputChannel.serialization_name():
 554             channel = InputChannel(self, "", True)
 555             self.unserialized_channels.append(channel)
 556             return channel
 557
 558         if name == OutputChannel.serialization_name():
 559             channel = OutputChannel(self, "", True)
 560             self.unserialized_channels.append(channel)
 561             return channel
 562
 563     def serialization_get_childs(self):
 564         '''Get child objects tha required and support serialization'''
 565         childs = self.channels[:] + self.output_channels[:]
 566         childs.append(self.main_mix)
 567         return childs
 568
 569     def serialization_name(self):
 570         return "jack_mixer"
 571
 572     def main(self):
 573         self.main_mix.realize()
 574         self.main_mix.set_monitored()
 575
 576         if not self.mixer:
 577             return
 578
 579         self.window.show_all()
 580
 581         gtk.main()
 582
 583         #f = file("/dev/stdout", "w")
 584         #self.save_to_xml(f)
 585         #f.close
 586
 587 def help():
 588     print "Usage: %s [mixer_name]" % sys.argv[0]
 589
 590 def main():
 591     # Connect to LASH if Python bindings are available, and the user did not
 592     # pass --no-lash
 593     if lash and not '--no-lash' in sys.argv:
 594         # sys.argv is modified by this call
 595         lash_client = lash.init(sys.argv, "jack_mixer", lash.LASH_Config_File)
 596     else:
 597         lash_client = None
 598
 599     parser = OptionParser()
 600     parser.add_option('-c', '--config', dest='config',
 601                       help='use a non default configuration file')
 602     # --no-lash here is not acted upon, it is specified for completeness when
 603     # --help is passed.
 604     parser.add_option('--no-lash', dest='nolash', action='store_true',
 605                       help='do not connect to LASH')
 606     options, args = parser.parse_args()
 607
 608     # Yeah , this sounds stupid, we connected earlier, but we dont want to show this if we got --help option
 609     # This issue should be fixed in pylash, there is a reason for having two functions for initialization after all
 610     if lash_client:
 611         print "Successfully connected to LASH server at " +  lash.lash_get_server_name(lash_client)
 612
 613     if len(args) == 1:
 614         name = args[0]
 615     else:
 616         name = None
 617
 618     if not name:
 619         name = "jack_mixer-%u" % os.getpid()
 620
 621     gtk.gdk.threads_init()
 622     try:
 623         mixer = JackMixer(name, lash_client)
 624     except Exception, e:
 625         err = gtk.MessageDialog(None,
 626                             gtk.DIALOG_MODAL,
 627                             gtk.MESSAGE_ERROR,
 628                             gtk.BUTTONS_OK,
 629                             "Mixer creation failed (%s)" % str(e))
 630         err.run()
 631         err.destroy()
 632         sys.exit(1)
 633
 634     if options.config:
 635         f = file(options.config)
 636         mixer.current_filename = options.config
 637         try:
 638             mixer.load_from_xml(f)
 639         except:
 640             err = gtk.MessageDialog(mixer.window,
 641                             gtk.DIALOG_MODAL,
 642                             gtk.MESSAGE_ERROR,
 643                             gtk.BUTTONS_OK,
 644                             "Failed loading settings.")
 645             err.run()
 646             err.destroy()
 647         mixer.window.set_default_size(60*(1+len(mixer.channels)+len(mixer.output_channels)), 300)
 648         f.close()
 649
 650     mixer.main()
 651
 652     mixer.cleanup()
 653
 654 if __name__ == "__main__":
 655     main()