falkTX
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Carla
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Audio plugin host https://kx.studio/carla
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Carla/source/carla.py

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  1. #!/usr/bin/env python3

  2. # -*- coding: utf-8 -*-

  3. 

  4. # Carla Backend code

  5. # Copyright (C) 2011-2012 Filipe Coelho <falktx@falktx.com>

  6. #

  7. # This program is free software; you can redistribute it and/or modify

  8. # it under the terms of the GNU General Public License as published by

  9. # the Free Software Foundation; either version 2 of the License, or

  10. # any later version.

  11. #

  12. # This program is distributed in the hope that it will be useful,

  13. # but WITHOUT ANY WARRANTY; without even the implied warranty of

  14. # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

  15. # GNU General Public License for more details.

  16. #

  17. # For a full copy of the GNU General Public License see the COPYING file

  18. 

  19. # Imports (Global)

  20. from PyQt4.QtGui import QApplication, QMainWindow, QTableWidgetItem

  21. 

  22. # Imports (Custom Stuff)

  23. import ui_carla, ui_carla_database, ui_carla_refresh

  24. from carla_backend import *

  25. #from shared_settings import *

  26. 

  27. # set defaults

  28. DEFAULT_PROJECT_FOLDER = HOME

  29. #setDefaultProjectFolder(DEFAULT_PROJECT_FOLDER)

  30. #setDefaultPluginsPaths(LADSPA_PATH, DSSI_PATH, LV2_PATH, VST_PATH, GIG_PATH, SF2_PATH, SFZ_PATH)

  31. 

  32. # Main Window

  33. class CarlaMainW(QMainWindow):

  34.     def __init__(self, parent=None):

  35.         QMainWindow.__init__(self, parent)

  36.         self.ui =  ui_carla.Ui_CarlaMainW()

  37.         self.ui.setupUi(self)

  38. 

  39.         # -------------------------------------------------------------

  40.         # Load Settings

  41. 

  42.         self.loadSettings(True)

  43.         self.loadRDFs()

  44. 

  45.         self.setStyleSheet("""

  46.           QWidget#centralwidget {

  47.             background-color: qlineargradient(spread:pad,

  48.                 x1:0.0, y1:0.0,

  49.                 x2:0.2, y2:1.0,

  50.                 stop:0 rgb( 7,  7,  7),

  51.                 stop:1 rgb(28, 28, 28)

  52.             );

  53.           }

  54.         """)

  55. 

  56.         # -------------------------------------------------------------

  57.         # Internal stuff

  58. 

  59.         self.fEngineStarted   = False

  60.         self.fFirstEngineInit = False

  61. 

  62.         #self.m_project_filename = None

  63.         #self.m_pluginCount = 0

  64. 

  65.         #self._nsmAnnounce2str = ""

  66.         #self._nsmOpen1str = ""

  67.         #self._nsmOpen2str = ""

  68.         #self.nsm_server = None

  69.         #self.nsm_url = None

  70. 

  71.         #self.m_plugin_list = []

  72.         #for x in range(MAX_DEFAULT_PLUGINS):

  73.             #self.m_plugin_list.append(None)

  74. 

  75.         # -------------------------------------------------------------

  76.         # Set-up GUI stuff

  77. 

  78.         self.ui.act_engine_start.setEnabled(False)

  79.         self.ui.act_engine_stop.setEnabled(False)

  80.         self.ui.act_plugin_remove_all.setEnabled(False)

  81. 

  82.         #self.m_scene = CarlaScene(self, self.graphicsView)

  83.         #self.graphicsView.setScene(self.m_scene)

  84. 

  85.         self.resize(self.width(), 0)

  86. 

  87.         #self.m_fakeEdit = PluginEdit(self, -1)

  88.         #self.m_curEdit  = self.m_fakeEdit

  89.         #self.w_edit.layout().addWidget(self.m_curEdit)

  90.         #self.w_edit.layout().addStretch()

  91. 

  92.         # -------------------------------------------------------------

  93.         # Connect actions to functions

  94. 

  95.         #self.connect(self.act_file_new, SIGNAL("triggered()"), SLOT("slot_file_new()"))

  96.         #self.connect(self.act_file_open, SIGNAL("triggered()"), SLOT("slot_file_open()"))

  97.         #self.connect(self.act_file_save, SIGNAL("triggered()"), SLOT("slot_file_save()"))

  98.         #self.connect(self.act_file_save_as, SIGNAL("triggered()"), SLOT("slot_file_save_as()"))

  99. 

  100.         self.connect(self.ui.act_engine_start, SIGNAL("triggered()"), SLOT("slot_startEngine()"))

  101.         self.connect(self.ui.act_engine_stop, SIGNAL("triggered()"), SLOT("slot_stopEngine()"))

  102. 

  103.         self.connect(self.ui.act_plugin_add, SIGNAL("triggered()"), SLOT("slot_addPlugin()"))

  104.         #self.connect(self.act_plugin_remove_all, SIGNAL("triggered()"), SLOT("slot_remove_all()"))

  105. 

  106.         #self.connect(self.act_settings_configure, SIGNAL("triggered()"), SLOT("slot_configureCarla()"))

  107.         self.connect(self.ui.act_help_about, SIGNAL("triggered()"), SLOT("slot_aboutCarla()"))

  108.         self.connect(self.ui.act_help_about_qt, SIGNAL("triggered()"), app, SLOT("aboutQt()"))

  109. 

  110.         #self.connect(self, SIGNAL("SIGUSR1()"), SLOT("slot_handleSIGUSR1()"))

  111.         #self.connect(self, SIGNAL("DebugCallback(int, int, int, double, QString)"), SLOT("slot_handleDebugCallback(int, int, int, double, QString)"))

  112.         #self.connect(self, SIGNAL("ParameterValueCallback(int, int, double)"), SLOT("slot_handleParameterValueCallback(int, int, double)"))

  113.         #self.connect(self, SIGNAL("ParameterMidiChannelCallback(int, int, int)"), SLOT("slot_handleParameterMidiChannelCallback(int, int, int)"))

  114.         #self.connect(self, SIGNAL("ParameterMidiCcCallback(int, int, int)"), SLOT("slot_handleParameterMidiCcCallback(int, int, int)"))

  115.         #self.connect(self, SIGNAL("ProgramCallback(int, int)"), SLOT("slot_handleProgramCallback(int, int)"))

  116.         #self.connect(self, SIGNAL("MidiProgramCallback(int, int)"), SLOT("slot_handleMidiProgramCallback(int, int)"))

  117.         #self.connect(self, SIGNAL("NoteOnCallback(int, int, int, int)"), SLOT("slot_handleNoteOnCallback(int, int, int, int)"))

  118.         #self.connect(self, SIGNAL("NoteOffCallback(int, int, int)"), SLOT("slot_handleNoteOffCallback(int, int, int)"))

  119.         #self.connect(self, SIGNAL("ShowGuiCallback(int, int)"), SLOT("slot_handleShowGuiCallback(int, int)"))

  120.         #self.connect(self, SIGNAL("ResizeGuiCallback(int, int, int)"), SLOT("slot_handleResizeGuiCallback(int, int, int)"))

  121.         #self.connect(self, SIGNAL("UpdateCallback(int)"), SLOT("slot_handleUpdateCallback(int)"))

  122.         #self.connect(self, SIGNAL("ReloadInfoCallback(int)"), SLOT("slot_handleReloadInfoCallback(int)"))

  123.         #self.connect(self, SIGNAL("ReloadParametersCallback(int)"), SLOT("slot_handleReloadParametersCallback(int)"))

  124.         #self.connect(self, SIGNAL("ReloadProgramsCallback(int)"), SLOT("slot_handleReloadProgramsCallback(int)"))

  125.         #self.connect(self, SIGNAL("ReloadAllCallback(int)"), SLOT("slot_handleReloadAllCallback(int)"))

  126.         #self.connect(self, SIGNAL("NSM_AnnounceCallback()"), SLOT("slot_handleNSM_AnnounceCallback()"))

  127.         #self.connect(self, SIGNAL("NSM_Open1Callback()"), SLOT("slot_handleNSM_Open1Callback()"))

  128.         #self.connect(self, SIGNAL("NSM_Open2Callback()"), SLOT("slot_handleNSM_Open2Callback()"))

  129.         #self.connect(self, SIGNAL("NSM_SaveCallback()"), SLOT("slot_handleNSM_SaveCallback()"))

  130.         #self.connect(self, SIGNAL("ErrorCallback(QString)"), SLOT("slot_handleErrorCallback(QString)"))

  131.         #self.connect(self, SIGNAL("QuitCallback()"), SLOT("slot_handleQuitCallback()"))

  132. 

  133.         #self.TIMER_GUI_STUFF  = self.startTimer(self.m_savedSettings["Main/RefreshInterval"])     # Peaks

  134.         #self.TIMER_GUI_STUFF2 = self.startTimer(self.m_savedSettings["Main/RefreshInterval"] * 2) # LEDs and edit dialog

  135. 

  136.         #NSM_URL = os.getenv("NSM_URL")

  137. 

  138.         #if NSM_URL:

  139.             #Carla.host.nsm_announce(NSM_URL, os.getpid())

  140.         #else:

  141.         QTimer.singleShot(0, self, SLOT("slot_startEngine()"))

  142. 

  143.         #QTimer.singleShot(0, self, SLOT("slot_showInitialWarning()"))

  144. 

  145.     #def loadProjectLater(self):

  146.         #QTimer.singleShot(0, self.load_project)

  147. 

  148.     def startEngine(self, clientName = "Carla"):

  149.         # ---------------------------------------------

  150.         # Engine settings

  151. 

  152.         settings = QSettings()

  153. 

  154.         Carla.processMode    = settings.value("Engine/ProcessMode", PROCESS_MODE_MULTIPLE_CLIENTS, type=int)

  155.         Carla.maxParameters  = settings.value("Engine/MaxParameters", MAX_DEFAULT_PARAMETERS, type=int)

  156. 

  157.         forceStereo          = settings.value("Engine/ForceStereo", False, type=bool)

  158.         preferPluginBridges  = settings.value("Engine/PreferPluginBridges", False, type=bool)

  159.         preferUiBridges      = settings.value("Engine/PreferUiBridges", True, type=bool)

  160.         useDssiVstChunks     = settings.value("Engine/UseDssiVstChunks", False, type=bool)

  161. 

  162.         oscUiTimeout         = settings.value("Engine/OscUiTimeout", 40, type=int)

  163.         preferredBufferSize  = settings.value("Engine/PreferredBufferSize", 512, type=int)

  164.         preferredSampleRate  = settings.value("Engine/PreferredSampleRate", 44100, type=int)

  165. 

  166.         if Carla.processMode == PROCESS_MODE_CONTINUOUS_RACK:

  167.             forceStereo = True

  168.         elif Carla.processMode == PROCESS_MODE_MULTIPLE_CLIENTS and os.getenv("LADISH_APP_NAME"):

  169.             print("LADISH detected but using multiple clients (not allowed), forcing single client now")

  170.             Carla.processMode = PROCESS_MODE_SINGLE_CLIENT

  171. 

  172.         Carla.host.set_option(OPTION_PROCESS_MODE, Carla.processMode, "")

  173.         Carla.host.set_option(OPTION_MAX_PARAMETERS, Carla.maxParameters, "")

  174.         Carla.host.set_option(OPTION_FORCE_STEREO, forceStereo, "")

  175.         Carla.host.set_option(OPTION_PREFER_PLUGIN_BRIDGES, preferPluginBridges, "")

  176.         Carla.host.set_option(OPTION_PREFER_UI_BRIDGES, preferUiBridges, "")

  177.         Carla.host.set_option(OPTION_USE_DSSI_VST_CHUNKS, useDssiVstChunks, "")

  178.         Carla.host.set_option(OPTION_OSC_UI_TIMEOUT, oscUiTimeout, "")

  179.         Carla.host.set_option(OPTION_PREFERRED_BUFFER_SIZE, preferredBufferSize, "")

  180.         Carla.host.set_option(OPTION_PREFERRED_SAMPLE_RATE, preferredSampleRate, "")

  181. 

  182.         # ---------------------------------------------

  183.         # start

  184. 

  185.         audioDriver = settings.value("Engine/AudioDriver", "JACK", type=str)

  186. 

  187.         if not Carla.host.engine_init(audioDriver, clientName):

  188.             if self.fFirstEngineInit:

  189.                 self.fFirstEngineInit = False

  190.                 return

  191. 

  192.             self.ui.act_engine_start.setEnabled(True)

  193.             self.ui.act_engine_stop.setEnabled(False)

  194. 

  195.             audioError = cString(Carla.host.get_last_error())

  196. 

  197.             if audioError:

  198.                 QMessageBox.critical(self, self.tr("Error"), self.tr("Could not connect to Audio backend '%s', possible reasons: %s" % (audioDriver, audioError)))

  199.             else:

  200.                 QMessageBox.critical(self, self.tr("Error"), self.tr("Could not connect to Audio backend '%s'" % audioDriver))

  201.             return

  202. 

  203.         self.fEngineStarted   = True

  204.         self.fFirstEngineInit = False

  205. 

  206.     def stopEngine(self):

  207.         #if self.m_pluginCount > 0:

  208.             #ask = QMessageBox.question(self, self.tr("Warning"), self.tr("There are still some plugins loaded, you need to remove them to stop the engine.\n"

  209.                                                                          #"Do you want to do this now?"),

  210.                                                                          #QMessageBox.Yes | QMessageBox.No, QMessageBox.No)

  211.             #if ask == QMessageBox.Yes:

  212.                 #self.slot_remove_all()

  213.             #else:

  214.                 #return

  215. 

  216.         if Carla.host.is_engine_running() and not Carla.host.engine_close():

  217.             print(cString(Carla.host.get_last_error()))

  218. 

  219.         self.fEngineStarted = False

  220. 

  221.     def addPlugin(self, btype, ptype, filename, name, label, extraStuff, activate):

  222.         if not self.fEngineStarted:

  223.             if activate:

  224.                 QMessageBox.warning(self, self.tr("Warning"), self.tr("Cannot add new plugins while engine is stopped"))

  225.             return -1

  226. 

  227.         if not Carla.host.add_plugin(btype, ptype, filename, name, label, extraStuff):

  228.             CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"), self.tr("Failed to load plugin"), cString(Carla.host.get_last_error()), QMessageBox.Ok, QMessageBox.Ok)

  229.             return False

  230. 

  231.         else:

  232.             print("added plugin!!")

  233.             new_plugin_id = 0

  234. 

  235.             pwidget = PluginWidget(self, new_plugin_id)

  236.             self.ui.w_plugins.layout().addWidget(pwidget)

  237.             #self.m_plugin_list[new_plugin_id] = pwidget

  238.             self.ui.act_plugin_remove_all.setEnabled(True)

  239. 

  240.             pwidget.ui.peak_in.setRefreshRate(self.fSavedSettings["Main/RefreshInterval"])

  241.             pwidget.ui.peak_out.setRefreshRate(self.fSavedSettings["Main/RefreshInterval"])

  242. 

  243.             if activate:

  244.                 pwidget.setActive(True, True, True)

  245. 

  246.         #self.m_pluginCount += 1

  247.         return True

  248. 

  249.     #def pluginWidgetActivated(self, widget):

  250.         #if self.m_curEdit == widget:

  251.             #self.keyboard.allNotesOff()

  252. 

  253.     #def pluginWidgetClicked(self, widget):

  254.         #if self.m_curEdit == widget:

  255.             #return

  256. 

  257.         #self.w_edit.layout().removeWidget(self.m_curEdit)

  258.         #self.w_edit.layout().insertWidget(0, widget)

  259. 

  260.         #widget.show()

  261.         #self.m_curEdit.hide()

  262. 

  263.         #self.m_curEdit = widget

  264. 

  265.     #@pyqtSlot()

  266.     #def slot_showInitialWarning(self):

  267.         #QMessageBox.warning(self, self.tr("Carla is incomplete"), self.tr(""

  268.             #"The version of Carla you're currently running is incomplete.\n"

  269.             #"Although most things work fine, Carla is not yet in a stable state.\n"

  270.             #"\n"

  271.             #"It will be fully functional for the next Cadence beta release."

  272.             #""))

  273. 

  274.     @pyqtSlot()

  275.     def slot_startEngine(self):

  276.         self.startEngine()

  277.         check = Carla.host.is_engine_running()

  278.         self.ui.act_file_open.setEnabled(check)

  279.         self.ui.act_engine_start.setEnabled(not check)

  280.         self.ui.act_engine_stop.setEnabled(check)

  281. 

  282.     @pyqtSlot()

  283.     def slot_stopEngine(self):

  284.         self.stopEngine()

  285.         check = Carla.host.is_engine_running()

  286.         self.ui.act_file_open.setEnabled(check)

  287.         self.ui.act_engine_start.setEnabled(not check)

  288.         self.ui.act_engine_stop.setEnabled(check)

  289. 

  290.     #@pyqtSlot()

  291.     #def slot_handleSIGUSR1(self):

  292.         #print("Got SIGUSR1 -> Saving project now")

  293.         #QTimer.singleShot(0, self, SLOT("slot_file_save()"))

  294. 

  295.     #@pyqtSlot(int, int, int, float, str)

  296.     #def slot_handleDebugCallback(self, plugin_id, value1, value2, value3, valueStr):

  297.         #print("DEBUG :: %i, %i, %i, %f, \"%s\")" % (plugin_id, value1, value2, value3, valueStr))

  298. 

  299.     #@pyqtSlot(int, int, float)

  300.     #def slot_handleParameterValueCallback(self, pluginId, parameterId, value):

  301.         #pwidget = self.m_plugin_list[pluginId]

  302.         #if pwidget:

  303.             #pwidget.m_parameterIconTimer = ICON_STATE_ON

  304. 

  305.             #if parameterId == PARAMETER_ACTIVE:

  306.                 #pwidget.set_active((value > 0.0), True, False)

  307.             #elif parameterId == PARAMETER_DRYWET:

  308.                 #pwidget.set_drywet(value * 1000, True, False)

  309.             #elif parameterId == PARAMETER_VOLUME:

  310.                 #pwidget.set_volume(value * 1000, True, False)

  311.             #elif parameterId == PARAMETER_BALANCE_LEFT:

  312.                 #pwidget.set_balance_left(value * 1000, True, False)

  313.             #elif parameterId == PARAMETER_BALANCE_RIGHT:

  314.                 #pwidget.set_balance_right(value * 1000, True, False)

  315.             #elif parameterId >= 0:

  316.                 #pwidget.edit_dialog.set_parameter_to_update(parameterId)

  317. 

  318.     #@pyqtSlot(int, int, int)

  319.     #def slot_handleParameterMidiChannelCallback(self, pluginId, parameterId, channel):

  320.         #pwidget = self.m_plugin_list[pluginId]

  321.         #if pwidget:

  322.             #pwidget.edit_dialog.set_parameter_midi_channel(parameterId, channel, True)

  323. 

  324.     #@pyqtSlot(int, int, int)

  325.     #def slot_handleParameterMidiCcCallback(self, pluginId, parameterId, cc):

  326.         #pwidget = self.m_plugin_list[pluginId]

  327.         #if pwidget:

  328.             #pwidget.edit_dialog.set_parameter_midi_cc(parameterId, cc, True)

  329. 

  330.     #@pyqtSlot(int, int)

  331.     #def slot_handleProgramCallback(self, plugin_id, program_id):

  332.         #pwidget = self.m_plugin_list[plugin_id]

  333.         #if pwidget:

  334.             #pwidget.edit_dialog.set_program(program_id)

  335.             #pwidget.m_parameterIconTimer = ICON_STATE_ON

  336. 

  337.     #@pyqtSlot(int, int)

  338.     #def slot_handleMidiProgramCallback(self, plugin_id, midi_program_id):

  339.         #pwidget = self.m_plugin_list[plugin_id]

  340.         #if pwidget:

  341.             #pwidget.edit_dialog.set_midi_program(midi_program_id)

  342.             #pwidget.m_parameterIconTimer = ICON_STATE_ON

  343. 

  344.     #@pyqtSlot(int, int, int, int)

  345.     #def slot_handleNoteOnCallback(self, plugin_id, channel, note, velo):

  346.         #pwidget = self.m_plugin_list[plugin_id]

  347.         #if pwidget:

  348.             #pwidget.edit_dialog.keyboard.sendNoteOn(note, False)

  349. 

  350.     #@pyqtSlot(int, int, int)

  351.     #def slot_handleNoteOffCallback(self, plugin_id, channel, note):

  352.         #pwidget = self.m_plugin_list[plugin_id]

  353.         #if pwidget:

  354.             #pwidget.edit_dialog.keyboard.sendNoteOff(note, False)

  355. 

  356.     #@pyqtSlot(int, int)

  357.     #def slot_handleShowGuiCallback(self, plugin_id, show):

  358.         #pwidget = self.m_plugin_list[plugin_id]

  359.         #if pwidget:

  360.             #if show == 0:

  361.                 #pwidget.b_gui.setChecked(False)

  362.                 #pwidget.b_gui.setEnabled(True)

  363.             #elif show == 1:

  364.                 #pwidget.b_gui.setChecked(True)

  365.                 #pwidget.b_gui.setEnabled(True)

  366.             #elif show == -1:

  367.                 #pwidget.b_gui.setChecked(False)

  368.                 #pwidget.b_gui.setEnabled(False)

  369. 

  370.     #@pyqtSlot(int, int, int)

  371.     #def slot_handleResizeGuiCallback(self, plugin_id, width, height):

  372.         #pwidget = self.m_plugin_list[plugin_id]

  373.         #if pwidget:

  374.             #gui_dialog = pwidget.gui_dialog

  375.             #if gui_dialog:

  376.                 #gui_dialog.setNewSize(width, height)

  377. 

  378.     #@pyqtSlot(int)

  379.     #def slot_handleUpdateCallback(self, plugin_id):

  380.         #pwidget = self.m_plugin_list[plugin_id]

  381.         #if pwidget:

  382.             #pwidget.edit_dialog.do_update()

  383. 

  384.     #@pyqtSlot(int)

  385.     #def slot_handleReloadInfoCallback(self, plugin_id):

  386.         #pwidget = self.m_plugin_list[plugin_id]

  387.         #if pwidget:

  388.             #pwidget.edit_dialog.do_reload_info()

  389. 

  390.     #@pyqtSlot(int)

  391.     #def slot_handleReloadParametersCallback(self, plugin_id):

  392.         #pwidget = self.m_plugin_list[plugin_id]

  393.         #if pwidget:

  394.             #pwidget.edit_dialog.do_reload_parameters()

  395. 

  396.     #@pyqtSlot(int)

  397.     #def slot_handleReloadProgramsCallback(self, plugin_id):

  398.         #pwidget = self.m_plugin_list[plugin_id]

  399.         #if pwidget:

  400.             #pwidget.edit_dialog.do_reload_programs()

  401. 

  402.     #@pyqtSlot(int)

  403.     #def slot_handleReloadAllCallback(self, plugin_id):

  404.         #pwidget = self.m_plugin_list[plugin_id]

  405.         #if pwidget:

  406.             #pwidget.edit_dialog.do_reload_all()

  407. 

  408.     #@pyqtSlot()

  409.     #def slot_handleNSM_AnnounceCallback(self):

  410.         #smName = self._nsmAnnounce2str

  411. 

  412.         #self.act_file_new.setEnabled(False)

  413.         #self.act_file_open.setEnabled(False)

  414.         #self.act_file_save_as.setEnabled(False)

  415.         #self.setWindowTitle("Carla (%s)" % smName)

  416. 

  417.     #@pyqtSlot()

  418.     #def slot_handleNSM_Open1Callback(self):

  419.         #clientId = self._nsmOpen1str

  420. 

  421.         ## remove all previous plugins

  422.         #self.slot_remove_all()

  423. 

  424.         ## restart engine

  425.         #if Carla.host.is_engine_running():

  426.             #self.stopEngine()

  427. 

  428.         #self.startEngine(clientId)

  429. 

  430.     #@pyqtSlot()

  431.     #def slot_handleNSM_Open2Callback(self):

  432.         #projectPath = self._nsmOpen2str

  433. 

  434.         #self.m_project_filename = projectPath

  435. 

  436.         #if os.path.exists(self.m_project_filename):

  437.             #self.load_project()

  438.         #else:

  439.             #self.save_project()

  440. 

  441.         #self.setWindowTitle("Carla - %s" % os.path.basename(self.m_project_filename))

  442.         #Carla.host.nsm_reply_open()

  443. 

  444.     #@pyqtSlot()

  445.     #def slot_handleNSM_SaveCallback(self):

  446.         #self.save_project()

  447.         #Carla.host.nsm_reply_save()

  448. 

  449.     #@pyqtSlot(str)

  450.     #def slot_handleErrorCallback(self, error):

  451.         #QMessageBox.critical(self, self.tr("Error"), error)

  452. 

  453.     #@pyqtSlot()

  454.     #def slot_handleQuitCallback(self):

  455.         #CustomMessageBox(self, QMessageBox.Warning, self.tr("Warning"),

  456.             #self.tr("JACK has been stopped or crashed.\nPlease start JACK and restart Carla"),

  457.             #self.tr("You may want to save your session now..."), QMessageBox.Ok, QMessageBox.Ok)

  458. 

  459.     #def remove_plugin(self, plugin_id, showError):

  460.         #pwidget = self.m_plugin_list[plugin_id]

  461. 

  462.         ##if pwidget.edit_dialog == self.m_curEdit:

  463.             ##self.w_edit.layout().removeWidget(self.m_curEdit)

  464.             ##self.w_edit.layout().insertWidget(0, self.m_fakeEdit)

  465. 

  466.             ##self.m_fakeEdit.show()

  467.             ##self.m_curEdit.hide()

  468. 

  469.             ##self.m_curEdit = self.m_fakeEdit

  470. 

  471.         #pwidget.edit_dialog.close()

  472. 

  473.         #if pwidget.gui_dialog:

  474.             #pwidget.gui_dialog.close()

  475. 

  476.         #if Carla.host.remove_plugin(plugin_id):

  477.             #pwidget.close()

  478.             #pwidget.deleteLater()

  479.             #self.w_plugins.layout().removeWidget(pwidget)

  480.             #self.m_plugin_list[plugin_id] = None

  481.             #self.m_pluginCount -= 1

  482. 

  483.         #elif showError:

  484.             #CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"), self.tr("Failed to remove plugin"), cString(Carla.host.get_last_error()), QMessageBox.Ok, QMessageBox.Ok)

  485. 

  486.         ## push all plugins 1 slot if rack mode

  487.         #if Carla.processMode == PROCESS_MODE_CONTINUOUS_RACK:

  488.             #for i in range(MAX_DEFAULT_PLUGINS-1):

  489.                 #if i < plugin_id: continue

  490.                 #self.m_plugin_list[i] = self.m_plugin_list[i+1]

  491. 

  492.                 #if self.m_plugin_list[i]:

  493.                     #self.m_plugin_list[i].setId(i)

  494. 

  495.             #self.m_plugin_list[MAX_DEFAULT_PLUGINS-1] = None

  496. 

  497.         ## check if there are still plugins

  498.         #for i in range(MAX_DEFAULT_PLUGINS):

  499.             #if self.m_plugin_list[i]: break

  500.         #else:

  501.             #self.act_plugin_remove_all.setEnabled(False)

  502. 

  503.     #def get_extra_stuff(self, plugin):

  504.         #ptype = plugin['type']

  505. 

  506.         #if ptype == PLUGIN_LADSPA:

  507.             #unique_id = plugin['unique_id']

  508.             #for rdf_item in self.ladspa_rdf_list:

  509.                 #if rdf_item.UniqueID == unique_id:

  510.                     #return pointer(rdf_item)

  511. 

  512.         #elif ptype == PLUGIN_DSSI:

  513.             #if plugin['hints'] & PLUGIN_HAS_GUI:

  514.                 #gui = findDSSIGUI(plugin['binary'], plugin['name'], plugin['label'])

  515.                 #if gui:

  516.                     #return gui.encode("utf-8")

  517. 

  518.         #return c_nullptr

  519. 

  520.     #def save_project(self):

  521.         #content = ("<?xml version='1.0' encoding='UTF-8'?>\n"

  522.                    #"<!DOCTYPE CARLA-PROJECT>\n"

  523.                    #"<CARLA-PROJECT VERSION='%s'>\n") % (VERSION)

  524. 

  525.         #first_plugin = True

  526. 

  527.         #for pwidget in self.m_plugin_list:

  528.             #if pwidget:

  529.                 #if not first_plugin:

  530.                     #content += "\n"

  531. 

  532.                 #real_plugin_name = cString(Carla.host.get_real_plugin_name(pwidget.m_pluginId))

  533.                 #if real_plugin_name:

  534.                     #content += " <!-- %s -->\n" % xmlSafeString(real_plugin_name, True)

  535. 

  536.                 #content += " <Plugin>\n"

  537.                 #content += pwidget.getSaveXMLContent()

  538.                 #content += " </Plugin>\n"

  539. 

  540.                 #first_plugin = False

  541. 

  542.         #content += "</CARLA-PROJECT>\n"

  543. 

  544.         #try:

  545.             #fd = uopen(self.m_project_filename, "w")

  546.             #fd.write(content)

  547.             #fd.close()

  548.         #except:

  549.             #QMessageBox.critical(self, self.tr("Error"), self.tr("Failed to save project file"))

  550. 

  551.     #def load_project(self):

  552.         #try:

  553.             #fd = uopen(self.m_project_filename, "r")

  554.             #projectRead = fd.read()

  555.             #fd.close()

  556.         #except:

  557.             #projectRead = None

  558. 

  559.         #if not projectRead:

  560.             #QMessageBox.critical(self, self.tr("Error"), self.tr("Failed to load project file"))

  561.             #return

  562. 

  563.         #xml = QDomDocument()

  564.         #xml.setContent(projectRead.encode("utf-8"))

  565. 

  566.         #xml_node = xml.documentElement()

  567.         #if xml_node.tagName() != "CARLA-PROJECT":

  568.             #QMessageBox.critical(self, self.tr("Error"), self.tr("Not a valid Carla project file"))

  569.             #return

  570. 

  571.         #x_internal_plugins = None

  572.         #x_ladspa_plugins = None

  573.         #x_dssi_plugins = None

  574.         #x_lv2_plugins = None

  575.         #x_vst_plugins = None

  576.         #x_gig_plugins = None

  577.         #x_sf2_plugins = None

  578.         #x_sfz_plugins = None

  579. 

  580.         #x_failedPlugins = []

  581.         #x_saveStates = []

  582. 

  583.         #node = xml_node.firstChild()

  584.         #while not node.isNull():

  585.             #if node.toElement().tagName() == "Plugin":

  586.                 #x_saveState = getSaveStateDictFromXML(node)

  587.                 #x_saveStates.append(x_saveState)

  588.             #node = node.nextSibling()

  589. 

  590.         #for x_saveState in x_saveStates:

  591.             #ptype = x_saveState['Type']

  592.             #label = x_saveState['Label']

  593.             #binary = x_saveState['Binary']

  594.             #binaryS = os.path.basename(binary)

  595.             #unique_id = x_saveState['UniqueID']

  596. 

  597.             #if ptype == "Internal":

  598.                 #if not x_internal_plugins: x_internal_plugins = toList(self.settings_db.value("Plugins/Internal", []))

  599.                 #x_plugins = x_internal_plugins

  600. 

  601.             #elif ptype == "LADSPA":

  602.                 #if not x_ladspa_plugins:

  603.                     #x_ladspa_plugins  = []

  604.                     #x_ladspa_plugins += toList(self.settings_db.value("Plugins/LADSPA_native", []))

  605.                     #x_ladspa_plugins += toList(self.settings_db.value("Plugins/LADSPA_posix32", []))

  606.                     #x_ladspa_plugins += toList(self.settings_db.value("Plugins/LADSPA_posix64", []))

  607.                     #x_ladspa_plugins += toList(self.settings_db.value("Plugins/LADSPA_win32", []))

  608.                     #x_ladspa_plugins += toList(self.settings_db.value("Plugins/LADSPA_win64", []))

  609.                 #x_plugins = x_ladspa_plugins

  610. 

  611.             #elif ptype == "DSSI":

  612.                 #if not x_dssi_plugins:

  613.                     #x_dssi_plugins  = []

  614.                     #x_dssi_plugins += toList(self.settings_db.value("Plugins/DSSI_native", []))

  615.                     #x_dssi_plugins += toList(self.settings_db.value("Plugins/DSSI_posix32", []))

  616.                     #x_dssi_plugins += toList(self.settings_db.value("Plugins/DSSI_posix64", []))

  617.                     #x_dssi_plugins += toList(self.settings_db.value("Plugins/DSSI_win32", []))

  618.                     #x_dssi_plugins += toList(self.settings_db.value("Plugins/DSSI_win64", []))

  619.                 #x_plugins = x_dssi_plugins

  620. 

  621.             #elif ptype == "LV2":

  622.                 #if not x_lv2_plugins:

  623.                     #x_lv2_plugins  = []

  624.                     #x_lv2_plugins += toList(self.settings_db.value("Plugins/LV2_native", []))

  625.                     #x_lv2_plugins += toList(self.settings_db.value("Plugins/LV2_posix32", []))

  626.                     #x_lv2_plugins += toList(self.settings_db.value("Plugins/LV2_posix64", []))

  627.                     #x_lv2_plugins += toList(self.settings_db.value("Plugins/LV2_win32", []))

  628.                     #x_lv2_plugins += toList(self.settings_db.value("Plugins/LV2_win64", []))

  629.                 #x_plugins = x_lv2_plugins

  630. 

  631.             #elif ptype == "VST":

  632.                 #if not x_vst_plugins:

  633.                     #x_vst_plugins  = []

  634.                     #x_vst_plugins += toList(self.settings_db.value("Plugins/VST_native", []))

  635.                     #x_vst_plugins += toList(self.settings_db.value("Plugins/VST_posix32", []))

  636.                     #x_vst_plugins += toList(self.settings_db.value("Plugins/VST_posix64", []))

  637.                     #x_vst_plugins += toList(self.settings_db.value("Plugins/VST_win32", []))

  638.                     #x_vst_plugins += toList(self.settings_db.value("Plugins/VST_win64", []))

  639.                 #x_plugins = x_vst_plugins

  640. 

  641.             #elif ptype == "GIG":

  642.                 #if not x_gig_plugins: x_gig_plugins = toList(self.settings_db.value("Plugins/GIG", []))

  643.                 #x_plugins = x_gig_plugins

  644. 

  645.             #elif ptype == "SF2":

  646.                 #if not x_sf2_plugins: x_sf2_plugins = toList(self.settings_db.value("Plugins/SF2", []))

  647.                 #x_plugins = x_sf2_plugins

  648. 

  649.             #elif ptype == "SFZ":

  650.                 #if not x_sfz_plugins: x_sfz_plugins = toList(self.settings_db.value("Plugins/SFZ", []))

  651.                 #x_plugins = x_sfz_plugins

  652. 

  653.             #else:

  654.                 #print("load_project() - ptype '%s' not recognized" % ptype)

  655.                 #x_failedPlugins.append(x_saveState['Name'])

  656.                 #continue

  657. 

  658.             ## Try UniqueID -> Label -> Binary (full) -> Binary (short)

  659.             #plugin_ulB = None

  660.             #plugin_ulb = None

  661.             #plugin_ul = None

  662.             #plugin_uB = None

  663.             #plugin_ub = None

  664.             #plugin_lB = None

  665.             #plugin_lb = None

  666.             #plugin_u = None

  667.             #plugin_l = None

  668.             #plugin_B = None

  669. 

  670.             #for _plugins in x_plugins:

  671.                 #for x_plugin in _plugins:

  672.                     #if unique_id == x_plugin['unique_id'] and label == x_plugin['label'] and binary == x_plugin['binary']:

  673.                         #plugin_ulB = x_plugin

  674.                         #break

  675.                     #elif unique_id == x_plugin['unique_id'] and label == x_plugin['label'] and binaryS == os.path.basename(x_plugin['binary']):

  676.                         #plugin_ulb = x_plugin

  677.                     #elif unique_id == x_plugin['unique_id'] and label == x_plugin['label']:

  678.                         #plugin_ul = x_plugin

  679.                     #elif unique_id == x_plugin['unique_id'] and binary == x_plugin['binary']:

  680.                         #plugin_uB = x_plugin

  681.                     #elif unique_id == x_plugin['unique_id'] and binaryS == os.path.basename(x_plugin['binary']):

  682.                         #plugin_ub = x_plugin

  683.                     #elif label == x_plugin['label'] and binary == x_plugin['binary']:

  684.                         #plugin_lB = x_plugin

  685.                     #elif label == x_plugin['label'] and binaryS == os.path.basename(x_plugin['binary']):

  686.                         #plugin_lb = x_plugin

  687.                     #elif unique_id == x_plugin['unique_id']:

  688.                         #plugin_u = x_plugin

  689.                     #elif label == x_plugin['label']:

  690.                         #plugin_l = x_plugin

  691.                     #elif binary == x_plugin['binary']:

  692.                         #plugin_B = x_plugin

  693. 

  694.             ## LADSPA uses UniqueID or binary+label

  695.             #if ptype == "LADSPA":

  696.                 #plugin_l = None

  697.                 #plugin_B = None

  698. 

  699.             ## DSSI uses binary+label (UniqueID ignored)

  700.             #elif ptype == "DSSI":

  701.                 #plugin_ul = None

  702.                 #plugin_uB = None

  703.                 #plugin_ub = None

  704.                 #plugin_u = None

  705.                 #plugin_l = None

  706.                 #plugin_B = None

  707. 

  708.             ## LV2 uses URIs (label in this case)

  709.             #elif ptype == "LV2":

  710.                 #plugin_uB = None

  711.                 #plugin_ub = None

  712.                 #plugin_u = None

  713.                 #plugin_B = None

  714. 

  715.             ## VST uses UniqueID

  716.             #elif ptype == "VST":

  717.                 #plugin_lB = None

  718.                 #plugin_lb = None

  719.                 #plugin_l = None

  720.                 #plugin_B = None

  721. 

  722.             ## Sound Kits use binaries

  723.             #elif ptype in ("GIG", "SF2", "SFZ"):

  724.                 #plugin_ul = None

  725.                 #plugin_u = None

  726.                 #plugin_l = None

  727.                 #plugin_B = binary

  728. 

  729.             #if plugin_ulB:

  730.                 #plugin = plugin_ulB

  731.             #elif plugin_ulb:

  732.                 #plugin = plugin_ulb

  733.             #elif plugin_ul:

  734.                 #plugin = plugin_ul

  735.             #elif plugin_uB:

  736.                 #plugin = plugin_uB

  737.             #elif plugin_ub:

  738.                 #plugin = plugin_ub

  739.             #elif plugin_lB:

  740.                 #plugin = plugin_lB

  741.             #elif plugin_lb:

  742.                 #plugin = plugin_lb

  743.             #elif plugin_u:

  744.                 #plugin = plugin_u

  745.             #elif plugin_l:

  746.                 #plugin = plugin_l

  747.             #elif plugin_B:

  748.                 #plugin = plugin_B

  749.             #else:

  750.                 #plugin = None

  751. 

  752.             #if plugin:

  753.                 #btype    = plugin['build']

  754.                 #ptype    = plugin['type']

  755.                 #filename = plugin['binary']

  756.                 #name     = x_saveState['Name']

  757.                 #label    = plugin['label']

  758.                 #extra_stuff   = self.get_extra_stuff(plugin)

  759.                 #new_plugin_id = self.add_plugin(btype, ptype, filename, name, label, extra_stuff, False)

  760. 

  761.                 #if new_plugin_id >= 0:

  762.                     #pwidget = self.m_plugin_list[new_plugin_id]

  763.                     #pwidget.loadStateDict(x_saveState)

  764. 

  765.                 #else:

  766.                     #x_failedPlugins.append(x_saveState['Name'])

  767. 

  768.             #else:

  769.                 #x_failedPlugins.append(x_saveState['Name'])

  770. 

  771.         #if len(x_failedPlugins) > 0:

  772.             #text = self.tr("The following plugins were not found or failed to initialize:\n")

  773.             #for plugin in x_failedPlugins:

  774.                 #text += " - %s\n" % plugin

  775. 

  776.             #self.statusBar().showMessage("State file loaded with errors")

  777.             #QMessageBox.critical(self, self.tr("Error"), text)

  778. 

  779.         #else:

  780.             #self.statusBar().showMessage("State file loaded sucessfully!")

  781. 

  782.     #@pyqtSlot()

  783.     #def slot_file_new(self):

  784.         #self.slot_remove_all()

  785.         #self.m_project_filename = None

  786.         #self.setWindowTitle("Carla")

  787. 

  788.     #@pyqtSlot()

  789.     #def slot_file_open(self):

  790.         #fileFilter  = self.tr("Carla Project File (*.carxp)")

  791.         #filenameTry = QFileDialog.getOpenFileName(self, self.tr("Open Carla Project File"), self.m_savedSettings["Main/DefaultProjectFolder"], filter=fileFilter)

  792. 

  793.         #if filenameTry:

  794.             #self.m_project_filename = filenameTry

  795.             #self.slot_remove_all()

  796.             #self.load_project()

  797.             #self.setWindowTitle("Carla - %s" % os.path.basename(self.m_project_filename))

  798. 

  799.     #@pyqtSlot()

  800.     #def slot_file_save(self, saveAs=False):

  801.         #if self.m_project_filename == None or saveAs:

  802.             #fileFilter  = self.tr("Carla Project File (*.carxp)")

  803.             #filenameTry = QFileDialog.getSaveFileName(self, self.tr("Save Carla Project File"), self.m_savedSettings["Main/DefaultProjectFolder"], filter=fileFilter)

  804. 

  805.             #if filenameTry:

  806.                 #if not filenameTry.endswith(".carxp"):

  807.                     #filenameTry += ".carxp"

  808. 

  809.                 #self.m_project_filename = filenameTry

  810.                 #self.save_project()

  811.                 #self.setWindowTitle("Carla - %s" % os.path.basename(self.m_project_filename))

  812. 

  813.         #else:

  814.             #self.save_project()

  815. 

  816.     #@pyqtSlot()

  817.     #def slot_file_save_as(self):

  818.         #self.slot_file_save(True)

  819. 

  820.     @pyqtSlot()

  821.     def slot_addPlugin(self):

  822.         dialog = PluginDatabaseW(self)

  823.         if dialog.exec_():

  824.             btype    = dialog.fRetPlugin['build']

  825.             ptype    = dialog.fRetPlugin['type']

  826.             filename = dialog.fRetPlugin['binary']

  827.             label    = dialog.fRetPlugin['label']

  828.             extraStuff = None #self.get_extra_stuff(dialog.ret_plugin)

  829.             self.addPlugin(btype, ptype, filename, None, label, extraStuff, True)

  830. 

  831.     #@pyqtSlot()

  832.     #def slot_remove_all(self):

  833.         #h = 0

  834.         #for i in range(MAX_DEFAULT_PLUGINS):

  835.             #pwidget = self.m_plugin_list[i]

  836. 

  837.             #if not pwidget:

  838.                 #continue

  839. 

  840.             #pwidget.setId(i-h)

  841.             #pwidget.edit_dialog.close()

  842. 

  843.             #if pwidget.gui_dialog:

  844.                 #pwidget.gui_dialog.close()

  845. 

  846.             #if Carla.host.remove_plugin(i-h):

  847.                 #pwidget.close()

  848.                 #pwidget.deleteLater()

  849.                 #self.w_plugins.layout().removeWidget(pwidget)

  850.                 #self.m_plugin_list[i] = None

  851. 

  852.             #if Carla.processMode == PROCESS_MODE_CONTINUOUS_RACK:

  853.                 #h += 1

  854. 

  855.         #self.m_pluginCount = 0

  856.         #self.act_plugin_remove_all.setEnabled(False)

  857. 

  858.     @pyqtSlot()

  859.     def slot_aboutCarla(self):

  860.         CarlaAboutW(self).exec_()

  861. 

  862.     #@pyqtSlot()

  863.     #def slot_configureCarla(self):

  864.         #dialog = SettingsW(self, "carla")

  865.         #if dialog.exec_():

  866.             #self.loadSettings(False)

  867. 

  868.             #for pwidget in self.m_plugin_list:

  869.                 #if pwidget:

  870.                     #pwidget.peak_in.setRefreshRate(self.m_savedSettings["Main/RefreshInterval"])

  871.                     #pwidget.peak_out.setRefreshRate(self.m_savedSettings["Main/RefreshInterval"])

  872. 

  873.     def loadRDFs(self):

  874.         # Save RDF info for later

  875.         self.fLadspaRdfList = []

  876. 

  877.         if haveLRDF:

  878.             settingsDir  = os.path.join(HOME, ".config", "Cadence")

  879.             frLadspaFile = os.path.join(settingsDir, "ladspa_rdf.db")

  880. 

  881.             if os.path.exists(frLadspaFile):

  882.                 frLadspa = open(frLadspaFile, 'r')

  883. 

  884.                 try:

  885.                     self.fLadspaRdfList = ladspa_rdf.get_c_ladspa_rdfs(json.load(frLadspa))

  886.                 except:

  887.                     pass

  888. 

  889.                 frLadspa.close()

  890. 

  891.     def saveSettings(self):

  892.         settings = QSettings()

  893.         settings.setValue("Geometry", self.saveGeometry())

  894.         settings.setValue("ShowToolbar", self.ui.toolBar.isVisible())

  895. 

  896.     def loadSettings(self, geometry):

  897.         settings = QSettings()

  898. 

  899.         if geometry:

  900.             self.restoreGeometry(settings.value("Geometry", ""))

  901. 

  902.             showToolbar = settings.value("ShowToolbar", True, type=bool)

  903.             self.ui.act_settings_show_toolbar.setChecked(showToolbar)

  904.             self.ui.toolBar.setVisible(showToolbar)

  905. 

  906.         self.fSavedSettings = {

  907.             "Main/DefaultProjectFolder": settings.value("Main/DefaultProjectFolder", DEFAULT_PROJECT_FOLDER, type=str),

  908.             "Main/RefreshInterval": settings.value("Main/RefreshInterval", 120, type=int)

  909.         }

  910. 

  911.         # ---------------------------------------------

  912.         # plugin checks

  913. 

  914.         if settings.value("Engine/DisableChecks", False, type=bool):

  915.             os.environ["CARLA_DISCOVERY_NO_PROCESSING_CHECKS"] = "true"

  916. 

  917.         elif os.getenv("CARLA_DISCOVERY_NO_PROCESSING_CHECKS"):

  918.             os.environ.pop("CARLA_DISCOVERY_NO_PROCESSING_CHECKS")

  919. 

  920.         # ---------------------------------------------

  921.         # plugin paths

  922. 

  923.         global LADSPA_PATH, DSSI_PATH, LV2_PATH, VST_PATH, GIG_PATH, SF2_PATH, SFZ_PATH

  924.         LADSPA_PATH = toList(settings.value("Paths/LADSPA", LADSPA_PATH))

  925.         DSSI_PATH = toList(settings.value("Paths/DSSI", DSSI_PATH))

  926.         LV2_PATH = toList(settings.value("Paths/LV2", LV2_PATH))

  927.         VST_PATH = toList(settings.value("Paths/VST", VST_PATH))

  928.         GIG_PATH = toList(settings.value("Paths/GIG", GIG_PATH))

  929.         SF2_PATH = toList(settings.value("Paths/SF2", SF2_PATH))

  930.         SFZ_PATH = toList(settings.value("Paths/SFZ", SFZ_PATH))

  931. 

  932.         os.environ["LADSPA_PATH"] = splitter.join(LADSPA_PATH)

  933.         os.environ["DSSI_PATH"] = splitter.join(DSSI_PATH)

  934.         os.environ["LV2_PATH"] = splitter.join(LV2_PATH)

  935.         os.environ["VST_PATH"] = splitter.join(VST_PATH)

  936.         os.environ["GIG_PATH"] = splitter.join(GIG_PATH)

  937.         os.environ["SF2_PATH"] = splitter.join(SF2_PATH)

  938.         os.environ["SFZ_PATH"] = splitter.join(SFZ_PATH)

  939. 

  940.     #def timerEvent(self, event):

  941.         #if event.timerId() == self.TIMER_GUI_STUFF:

  942.             #for pwidget in self.m_plugin_list:

  943.                 #if pwidget: pwidget.check_gui_stuff()

  944.             #if self.m_engine_started and self.m_pluginCount > 0:

  945.                 #Carla.host.idle_guis()

  946. 

  947.         #elif event.timerId() == self.TIMER_GUI_STUFF2:

  948.             #for pwidget in self.m_plugin_list:

  949.                 #if pwidget: pwidget.check_gui_stuff2()

  950. 

  951.         #QMainWindow.timerEvent(self, event)

  952. 

  953.     def closeEvent(self, event):

  954.         #if self.nsm_server:

  955.             #self.nsm_server.stop()

  956. 

  957.         self.saveSettings()

  958. 

  959.         #self.slot_remove_all()

  960.         self.stopEngine()

  961. 

  962.         QMainWindow.closeEvent(self, event)

  963. 

  964. # ------------------------------------------------------------------------------------------------

  965. 

  966. def callback_function(ptr, action, pluginId, value1, value2, value3, valueStr):

  967.     if pluginId < 0 or not Carla.gui:

  968.         return

  969. 

  970.     #if action == CALLBACK_DEBUG:

  971.         #Carla.gui.emit(SIGNAL("DebugCallback(int, int, int, double, QString)"), pluginId, value1, value2, value3, cString(valueStr))

  972.     #elif action == CALLBACK_PARAMETER_VALUE_CHANGED:

  973.         #Carla.gui.emit(SIGNAL("ParameterValueCallback(int, int, double)"), pluginId, value1, value3)

  974.     #elif action == CALLBACK_PARAMETER_MIDI_CHANNEL_CHANGED:

  975.         #Carla.gui.emit(SIGNAL("ParameterMidiChannelCallback(int, int, int)"), pluginId, value1, value2)

  976.     #elif action == CALLBACK_PARAMETER_MIDI_CC_CHANGED:

  977.         #Carla.gui.emit(SIGNAL("ParameterMidiCcCallback(int, int, int)"), pluginId, value1, value2)

  978.     #elif action == CALLBACK_PROGRAM_CHANGED:

  979.         #Carla.gui.emit(SIGNAL("ProgramCallback(int, int)"), pluginId, value1)

  980.     #elif action == CALLBACK_MIDI_PROGRAM_CHANGED:

  981.         #Carla.gui.emit(SIGNAL("MidiProgramCallback(int, int)"), pluginId, value1)

  982.     #elif action == CALLBACK_NOTE_ON:

  983.         #Carla.gui.emit(SIGNAL("NoteOnCallback(int, int, int, int)"), pluginId, value1, value2, value3)

  984.     #elif action == CALLBACK_NOTE_OFF:

  985.         #Carla.gui.emit(SIGNAL("NoteOffCallback(int, int, int)"), pluginId, value1, value2)

  986.     #elif action == CALLBACK_SHOW_GUI:

  987.         #Carla.gui.emit(SIGNAL("ShowGuiCallback(int, int)"), pluginId, value1)

  988.     #elif action == CALLBACK_UPDATE:

  989.         #Carla.gui.emit(SIGNAL("UpdateCallback(int)"), pluginId)

  990.     #elif action == CALLBACK_RELOAD_INFO:

  991.         #Carla.gui.emit(SIGNAL("ReloadInfoCallback(int)"), pluginId)

  992.     #elif action == CALLBACK_RELOAD_PARAMETERS:

  993.         #Carla.gui.emit(SIGNAL("ReloadParametersCallback(int)"), pluginId)

  994.     #elif action == CALLBACK_RELOAD_PROGRAMS:

  995.         #Carla.gui.emit(SIGNAL("ReloadProgramsCallback(int)"), pluginId)

  996.     #elif action == CALLBACK_RELOAD_ALL:

  997.         #Carla.gui.emit(SIGNAL("ReloadAllCallback(int)"), pluginId)

  998.     #elif action == CALLBACK_NSM_ANNOUNCE:

  999.         #Carla.gui._nsmAnnounce2str = cString(Carla.host.get_last_error())

  1000.         #Carla.gui.emit(SIGNAL("NSM_AnnounceCallback()"))

  1001.     #elif action == CALLBACK_NSM_OPEN1:

  1002.         #Carla.gui._nsmOpen1str = cString(valueStr)

  1003.         #Carla.gui.emit(SIGNAL("NSM_Open1Callback()"))

  1004.     #elif action == CALLBACK_NSM_OPEN2:

  1005.         #Carla.gui._nsmOpen2str = cString(valueStr)

  1006.         #Carla.gui.emit(SIGNAL("NSM_Open2Callback()"))

  1007.     #elif action == CALLBACK_NSM_SAVE:

  1008.         #Carla.gui.emit(SIGNAL("NSM_SaveCallback()"))

  1009.     #elif action == CALLBACK_ERROR:

  1010.         #Carla.gui.emit(SIGNAL("ErrorCallback(QString)"), cString(Carla.host.get_last_error()))

  1011.     #elif action == CALLBACK_QUIT:

  1012.         #Carla.gui.emit(SIGNAL("QuitCallback()"))

  1013. 

  1014. #--------------- main ------------------

  1015. if __name__ == '__main__':

  1016.     # App initialization

  1017.     app = QApplication(sys.argv)

  1018.     app.setApplicationName("Carla")

  1019.     app.setApplicationVersion(VERSION)

  1020.     app.setOrganizationName("Cadence")

  1021.     app.setWindowIcon(QIcon(":/scalable/carla.svg"))

  1022. 

  1023.     libPrefix = None

  1024.     projectFilename = None

  1025. 

  1026.     for i in range(len(app.arguments())):

  1027.         if i == 0: continue

  1028.         argument = app.arguments()[i]

  1029. 

  1030.         if argument.startswith("--with-libprefix="):

  1031.             libPrefix = argument.replace("--with-libprefix=", "")

  1032. 

  1033.         elif os.path.exists(argument):

  1034.             projectFilename = argument

  1035. 

  1036.     # Init backend

  1037.     Carla.host = Host(libPrefix)

  1038.     Carla.host.set_callback_function(callback_function)

  1039.     Carla.host.set_option(OPTION_PROCESS_NAME, 0, "carla")

  1040. 

  1041.     # Set bridge paths

  1042.     if carla_bridge_native:

  1043.         Carla.host.set_option(OPTION_PATH_BRIDGE_NATIVE, 0, carla_bridge_native)

  1044. 

  1045.     if carla_bridge_posix32:

  1046.         Carla.host.set_option(OPTION_PATH_BRIDGE_POSIX32, 0, carla_bridge_posix32)

  1047. 

  1048.     if carla_bridge_posix64:

  1049.         Carla.host.set_option(OPTION_PATH_BRIDGE_POSIX64, 0, carla_bridge_posix64)

  1050. 

  1051.     if carla_bridge_win32:

  1052.         Carla.host.set_option(OPTION_PATH_BRIDGE_WIN32, 0, carla_bridge_win32)

  1053. 

  1054.     if carla_bridge_win64:

  1055.         Carla.host.set_option(OPTION_PATH_BRIDGE_WIN64, 0, carla_bridge_win64)

  1056. 

  1057.     if WINDOWS:

  1058.         if carla_bridge_lv2_windows:

  1059.             Carla.host.set_option(OPTION_PATH_BRIDGE_LV2_WINDOWS, 0, carla_bridge_lv2_windows)

  1060. 

  1061.         if carla_bridge_vst_hwnd:

  1062.             Carla.host.set_option(OPTION_PATH_BRIDGE_VST_HWND, 0, carla_bridge_vst_hwnd)

  1063. 

  1064.     elif MACOS:

  1065.         if carla_bridge_lv2_cocoa:

  1066.             Carla.host.set_option(OPTION_PATH_BRIDGE_LV2_COCOA, 0, carla_bridge_lv2_cocoa)

  1067. 

  1068.         if carla_bridge_vst_cocoa:

  1069.             Carla.host.set_option(OPTION_PATH_BRIDGE_VST_COCOA, 0, carla_bridge_vst_cocoa)

  1070. 

  1071.     else:

  1072.         if carla_bridge_lv2_gtk2:

  1073.             Carla.host.set_option(OPTION_PATH_BRIDGE_LV2_GTK2, 0, carla_bridge_lv2_gtk2)

  1074. 

  1075.         if carla_bridge_lv2_gtk3:

  1076.             Carla.host.set_option(OPTION_PATH_BRIDGE_LV2_GTK3, 0, carla_bridge_lv2_gtk3)

  1077. 

  1078.         if carla_bridge_lv2_qt4:

  1079.             Carla.host.set_option(OPTION_PATH_BRIDGE_LV2_QT4, 0, carla_bridge_lv2_qt4)

  1080. 

  1081.         if carla_bridge_lv2_qt5:

  1082.             Carla.host.set_option(OPTION_PATH_BRIDGE_LV2_QT5, 0, carla_bridge_lv2_qt5)

  1083. 

  1084.         if carla_bridge_lv2_x11:

  1085.             Carla.host.set_option(OPTION_PATH_BRIDGE_LV2_X11, 0, carla_bridge_lv2_x11)

  1086. 

  1087.         if carla_bridge_vst_x11:

  1088.             Carla.host.set_option(OPTION_PATH_BRIDGE_VST_X11, 0, carla_bridge_vst_x11)

  1089. 

  1090.     # Create GUI and start engine

  1091.     Carla.gui = CarlaMainW()

  1092. 

  1093.     # Set-up custom signal handling

  1094.     #setUpSignals(Carla.gui)

  1095. 

  1096.     # Show GUI

  1097.     Carla.gui.show()

  1098. 

  1099.     # Load project file if set

  1100.     #if projectFilename:

  1101.         #Carla.gui.m_project_filename = projectFilename

  1102.         #Carla.gui.loadProjectLater()

  1103.         #Carla.gui.setWindowTitle("Carla - %s" % os.path.basename(projectFilename)) # FIXME - put in loadProject

  1104. 

  1105.     # App-Loop

  1106.     ret = app.exec_()

  1107. 

  1108.     # Exit properly

  1109.     sys.exit(ret)