falkTX
/
Carla
mirror of https://github.com/falkTX/Carla
1
0
Fork 0
Code Releases 42 Activity
Audio plugin host https://kx.studio/carla
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
64 Commits
16 Branches
275MB
Tree: 05d6793eee
Branches Tags
${ item.name }
Create branch ${ searchTerm }
from '05d6793eee'
${ noResults }
Carla/source/carla.py

822 lines
32KB
Raw Blame History 

  1. #!/usr/bin/env python3

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

  3. 

  4. # Carla plugin host

  5. # Copyright (C) 2011-2013 Filipe Coelho <falktx@falktx.com>

  6. #

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

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

  9. # published by the Free Software Foundation; either version 2 of

  10. # the License, or 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 GPL.txt file

  18. 

  19. # ------------------------------------------------------------------------------------------------------------

  20. # Imports (Global)

  21. 

  22. from PyQt4.QtCore import QSize

  23. from PyQt4.QtGui import QApplication, QListWidgetItem, QMainWindow

  24. 

  25. # ------------------------------------------------------------------------------------------------------------

  26. # Imports (Custom Stuff)

  27. 

  28. import ui_carla

  29. from carla_backend import *

  30. from carla_shared import *

  31. # FIXME, remove later

  32. #from shared_settings import *

  33. 

  34. # ------------------------------------------------------------------------------------------------------------

  35. # Main Window

  36. 

  37. class CarlaMainW(QMainWindow):

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

  39.         QMainWindow.__init__(self, parent)

  40.         self.ui =  ui_carla.Ui_CarlaMainW()

  41.         self.ui.setupUi(self)

  42. 

  43.         # -------------------------------------------------------------

  44.         # Load Settings

  45. 

  46.         self.loadSettings(True)

  47.         self.loadRDFs()

  48. 

  49.         self.setStyleSheet("""

  50.           QWidget#centralwidget {

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

  52.                 x1:0.0, y1:0.0,

  53.                 x2:0.2, y2:1.0,

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

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

  56.             );

  57.           }

  58.         """)

  59. 

  60.         # -------------------------------------------------------------

  61.         # Internal stuff

  62. 

  63.         self.fEngineStarted   = False

  64.         self.fFirstEngineInit = False

  65. 

  66.         self.fProjectFilename = None

  67.         self.fProjectLoading  = False

  68. 

  69.         self.fPluginCount = 0

  70.         self.fPluginList  = []

  71. 

  72.         self.fIdleTimerFast = 0

  73.         self.fIdleTimerSlow = 0

  74. 

  75.         #self._nsmAnnounce2str = ""

  76.         #self._nsmOpen1str = ""

  77.         #self._nsmOpen2str = ""

  78.         #self.nsm_server = None

  79.         #self.nsm_url = None

  80. 

  81.         # -------------------------------------------------------------

  82.         # Set-up GUI stuff

  83. 

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

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

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

  87. 

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

  89. 

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

  91.         #self.m_curEdit  = self.m_fakeEdit

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

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

  94. 

  95.         # -------------------------------------------------------------

  96.         # Connect actions to functions

  97. 

  98.         self.connect(self.ui.act_file_new, SIGNAL("triggered()"), SLOT("slot_fileNew()"))

  99.         self.connect(self.ui.act_file_open, SIGNAL("triggered()"), SLOT("slot_fileOpen()"))

  100.         self.connect(self.ui.act_file_save, SIGNAL("triggered()"), SLOT("slot_fileSave()"))

  101.         self.connect(self.ui.act_file_save_as, SIGNAL("triggered()"), SLOT("slot_fileSaveAs()"))

  102. 

  103.         self.connect(self.ui.act_engine_start, SIGNAL("triggered()"), SLOT("slot_engineStart()"))

  104.         self.connect(self.ui.act_engine_stop, SIGNAL("triggered()"), SLOT("slot_engineStop()"))

  105. 

  106.         self.connect(self.ui.act_plugin_add, SIGNAL("triggered()"), SLOT("slot_pluginAdd()"))

  107.         self.connect(self.ui.act_plugin_remove_all, SIGNAL("triggered()"), SLOT("slot_pluginRemoveAll()"))

  108. 

  109.         self.connect(self.ui.act_settings_configure, SIGNAL("triggered()"), SLOT("slot_configureCarla()"))

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

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

  112. 

  113.         self.connect(self, SIGNAL("SIGUSR1()"), SLOT("slot_handleSIGUSR1()"))

  114.         self.connect(self, SIGNAL("SIGTERM()"), SLOT("slot_handleSIGTERM()"))

  115. 

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

  117.         self.connect(self, SIGNAL("PluginAddedCallback(int)"), SLOT("slot_handlePluginAddedCallback(int)"))

  118.         self.connect(self, SIGNAL("PluginRemovedCallback(int)"), SLOT("slot_handlePluginRemovedCallback(int)"))

  119.         self.connect(self, SIGNAL("ParameterValueChangedCallback(int, int, double)"), SLOT("slot_handleParameterValueChangedCallback(int, int, double)"))

  120.         self.connect(self, SIGNAL("ParameterDefaultChangedCallback(int, int, double)"), SLOT("slot_handleParameterDefaultChangedCallback(int, int, double)"))

  121.         self.connect(self, SIGNAL("ParameterMidiChannelChangedCallback(int, int, int)"), SLOT("slot_handleParameterMidiChannelChangedCallback(int, int, int)"))

  122.         self.connect(self, SIGNAL("ParameterMidiCcChangedCallback(int, int, int)"), SLOT("slot_handleParameterMidiCcChangedCallback(int, int, int)"))

  123.         self.connect(self, SIGNAL("ProgramChangedCallback(int, int)"), SLOT("slot_handleProgramChangedCallback(int, int)"))

  124.         self.connect(self, SIGNAL("MidiProgramChangedCallback(int, int)"), SLOT("slot_handleMidiProgramChangedCallback(int, int)"))

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

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

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

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

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

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

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

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

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

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

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

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

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

  138.         self.connect(self, SIGNAL("QuitCallback()"), SLOT("slot_handleQuitCallback()"))

  139. 

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

  141. 

  142.         #if NSM_URL:

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

  144.         #else:

  145.         QTimer.singleShot(0, self, SLOT("slot_engineStart()"))

  146. 

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

  148.         # ---------------------------------------------

  149.         # Engine settings

  150. 

  151.         settings = QSettings()

  152. 

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

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

  155. 

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

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

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

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

  160. 

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

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

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

  164. 

  165.         if Carla.processMode == PROCESS_MODE_CONTINUOUS_RACK:

  166.             forceStereo = True

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

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

  169.             Carla.processMode = PROCESS_MODE_SINGLE_CLIENT

  170. 

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

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

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

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

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

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

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

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

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

  180. 

  181.         # ---------------------------------------------

  182.         # start

  183. 

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

  185. 

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

  187.             if self.fFirstEngineInit:

  188.                 self.fFirstEngineInit = False

  189.                 return

  190. 

  191.             #self.ui.act_engine_start.setEnabled(True)

  192.             #self.ui.act_engine_stop.setEnabled(False)

  193. 

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

  195. 

  196.             if audioError:

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

  198.             else:

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

  200.             return

  201. 

  202.         self.fEngineStarted   = True

  203.         self.fFirstEngineInit = False

  204. 

  205.         self.fPluginCount = 0

  206.         self.fPluginList  = []

  207. 

  208.         if Carla.processMode == PROCESS_MODE_CONTINUOUS_RACK:

  209.             maxCount = MAX_RACK_PLUGINS

  210.         elif Carla.processMode == PROCESS_MODE_PATCHBAY:

  211.             maxCount = MAX_PATCHBAY_PLUGINS

  212.         else:

  213.             maxCount = MAX_DEFAULT_PLUGINS

  214. 

  215.         for x in range(maxCount):

  216.             self.fPluginList.append(None)

  217. 

  218.         # Peaks

  219.         self.fIdleTimerFast = self.startTimer(self.fSavedSettings["Main/RefreshInterval"])

  220.         # LEDs and edit dialog parameters

  221.         self.fIdleTimerSlow = self.startTimer(self.fSavedSettings["Main/RefreshInterval"]*2)

  222. 

  223.     def stopEngine(self):

  224.         if self.fPluginCount > 0:

  225.             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"

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

  227.                                                                          QMessageBox.Yes | QMessageBox.No, QMessageBox.No)

  228.             if ask != QMessageBox.Yes:

  229.                 return

  230. 

  231.             self.removeAllPlugins()

  232. 

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

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

  235. 

  236.         self.fEngineStarted = False

  237.         self.fPluginCount = 0

  238.         self.fPluginList  = []

  239. 

  240.         self.killTimer(self.fIdleTimerFast)

  241.         self.killTimer(self.fIdleTimerSlow)

  242. 

  243.     def loadProject(self, filename):

  244.         self.fProjectLoading  = True

  245.         self.fProjectFilename = filename

  246.         Carla.host.load_project(filename)

  247. 

  248.     def loadProjectLater(self, filename):

  249.         self.fProjectLoading  = True

  250.         self.fProjectFilename = filename

  251.         self.setWindowTitle("Carla - %s" % os.path.basename(filename))

  252.         QTimer.singleShot(0, self, SLOT("slot_loadProjectLater()"))

  253. 

  254.     def saveProject(self):

  255.         Carla.host.save_project(self.fProjectFilename)

  256. 

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

  258.         if not self.fEngineStarted:

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

  260.             return False

  261. 

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

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

  264.             return False

  265. 

  266.         return True

  267. 

  268.     def removeAllPlugins(self):

  269.         while (self.ui.w_plugins.layout().takeAt(0)):

  270.             pass

  271. 

  272.         for i in range(self.fPluginCount):

  273.             pwidget = self.fPluginList[i]

  274. 

  275.             if pwidget is None:

  276.                 break

  277. 

  278.             self.fPluginList[i] = None

  279. 

  280.             pwidget.ui.edit_dialog.close()

  281.             pwidget.close()

  282.             pwidget.deleteLater()

  283.             del pwidget

  284. 

  285.         self.fPluginCount = 0

  286. 

  287.     @pyqtSlot()

  288.     def slot_fileNew(self):

  289.         self.removeAllPlugins()

  290.         self.fProjectFilename = None

  291.         self.fProjectLoading  = False

  292.         self.setWindowTitle("Carla")

  293. 

  294.     @pyqtSlot()

  295.     def slot_fileOpen(self):

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

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

  298. 

  299.         if filenameTry:

  300.             # FIXME - show dialog to user

  301.             self.removeAllPlugins()

  302.             self.loadProject(filenameTry)

  303.             self.setWindowTitle("Carla - %s" % os.path.basename(filenameTry))

  304. 

  305.     @pyqtSlot()

  306.     def slot_fileSave(self, saveAs=False):

  307.         if self.fProjectFilename and not saveAs:

  308.             return self.saveProject()

  309. 

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

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

  312. 

  313.         if filenameTry:

  314.             if not filenameTry.endswith(".carxp"):

  315.                 filenameTry += ".carxp"

  316. 

  317.             self.fProjectFilename = filenameTry

  318.             self.saveProject()

  319.             self.setWindowTitle("Carla - %s" % os.path.basename(filenameTry))

  320. 

  321.     @pyqtSlot()

  322.     def slot_fileSaveAs(self):

  323.         self.slot_fileSave(True)

  324. 

  325.     @pyqtSlot()

  326.     def slot_loadProjectLater(self):

  327.         Carla.host.load_project(self.fProjectFilename)

  328. 

  329.     @pyqtSlot()

  330.     def slot_engineStart(self):

  331.         self.startEngine()

  332.         check = Carla.host.is_engine_running()

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

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

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

  336. 

  337.     @pyqtSlot()

  338.     def slot_engineStop(self):

  339.         self.stopEngine()

  340.         check = Carla.host.is_engine_running()

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

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

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

  344. 

  345.     @pyqtSlot()

  346.     def slot_pluginAdd(self):

  347.         dialog = PluginDatabaseW(self)

  348.         if dialog.exec_():

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

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

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

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

  353.             extraStuff = self.getExtraStuff(dialog.fRetPlugin)

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

  355. 

  356.     @pyqtSlot()

  357.     def slot_pluginRemoveAll(self):

  358.         self.removeAllPlugins()

  359. 

  360.     @pyqtSlot()

  361.     def slot_aboutCarla(self):

  362.         CarlaAboutW(self).exec_()

  363. 

  364.     @pyqtSlot()

  365.     def slot_configureCarla(self):

  366.         CarlaAboutW(self).exec_()

  367. 

  368.     @pyqtSlot()

  369.     def slot_handleSIGUSR1(self):

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

  371.         QTimer.singleShot(0, self, SLOT("slot_fileSave()"))

  372. 

  373.     @pyqtSlot()

  374.     def slot_handleSIGTERM(self):

  375.         print("Got SIGTERM -> Closing now")

  376.         self.close()

  377. 

  378.     @pyqtSlot(int, int, int, float, str)

  379.     def slot_handleDebugCallback(self, pluginId, value1, value2, value3, valueStr):

  380.         print("DEBUG :: %i, %i, %i, %f, \"%s\")" % (pluginId, value1, value2, value3, valueStr))

  381. 

  382.     @pyqtSlot(int)

  383.     def slot_handlePluginAddedCallback(self, pluginId, pluginName="todo"):

  384.         pwidget = PluginWidget(self, pluginId)

  385.         pwidget.setRefreshRate(self.fSavedSettings["Main/RefreshInterval"])

  386. 

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

  388. 

  389.         self.fPluginCount += 1

  390.         self.fPluginList[pluginId] = pwidget

  391. 

  392.         if self.fPluginCount == 1:

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

  394. 

  395.         if not self.fProjectLoading:

  396.             pwidget.setActive(True, True, True)

  397. 

  398.     @pyqtSlot(int)

  399.     def slot_handlePluginRemovedCallback(self, pluginId):

  400.         pwidget = self.fPluginList[pluginId]

  401.         if pwidget is None:

  402.             return

  403. 

  404.         self.fPluginList[pluginId] = None

  405.         self.fPluginCount -= 1

  406. 

  407.         self.ui.w_plugins.layout().removeWidget(pwidget)

  408. 

  409.         pwidget.ui.edit_dialog.close()

  410.         pwidget.close()

  411.         pwidget.deleteLater()

  412.         del pwidget

  413. 

  414.         # push all plugins 1 slot back

  415.         for i in range(self.fPluginCount):

  416.             if i < pluginId:

  417.                 continue

  418. 

  419.             self.fPluginList[i] = self.fPluginList[i+1]

  420.             self.fPluginList[i].setId(i)

  421. 

  422.         if self.fPluginCount == 0:

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

  424. 

  425.     @pyqtSlot(int, int, float)

  426.     def slot_handleParameterValueChangedCallback(self, pluginId, parameterId, value):

  427.         pwidget = self.fPluginList[pluginId]

  428.         if pwidget is None:

  429.             return

  430. 

  431.         pwidget.setParameterValue(value, True, False)

  432. 

  433.     @pyqtSlot(int, int, float)

  434.     def slot_handleParameterDefaultChangedCallback(self, pluginId, parameterId, value):

  435.         pwidget = self.fPluginList[pluginId]

  436.         if pwidget is None:

  437.             return

  438. 

  439.         pwidget.setParameterDefault(value, True, False)

  440. 

  441.     @pyqtSlot(int, int, int)

  442.     def slot_handleParameterMidiChannelChangedCallback(self, pluginId, parameterId, channel):

  443.         pwidget = self.fPluginList[pluginId]

  444.         if pwidget is None:

  445.             return

  446. 

  447.         pwidget.setParameterMidiChannel(parameterId, channel, True)

  448. 

  449.     @pyqtSlot(int, int, int)

  450.     def slot_handleParameterMidiCcChangedCallback(self, pluginId, parameterId, cc):

  451.         pwidget = self.fPluginList[pluginId]

  452.         if pwidget is None:

  453.             return

  454. 

  455.         pwidget.setParameterMidiControl(parameterId, cc, True)

  456. 

  457.     @pyqtSlot(int, int)

  458.     def slot_handleProgramChangedCallback(self, pluginId, programId):

  459.         pwidget = self.fPluginList[pluginId]

  460.         if pwidget is None:

  461.             return

  462. 

  463.         pwidget.setProgram(programId)

  464. 

  465.     @pyqtSlot(int, int)

  466.     def slot_handleMidiProgramChangedCallback(self, pluginId, midiProgramId):

  467.         pwidget = self.fPluginList[pluginId]

  468.         if pwidget is None:

  469.             return

  470. 

  471.         pwidget.setMidiProgram(midiProgramId)

  472. 

  473.     @pyqtSlot(int, int, int, int)

  474.     def slot_handleNoteOnCallback(self, pluginId, channel, note, velo):

  475.         pwidget = self.fPluginList[pluginId]

  476.         if pwidget is None:

  477.             return

  478. 

  479.         pwidget.ui.edit_dialog.keyboard.sendNoteOn(note, False)

  480. 

  481.     @pyqtSlot(int, int, int)

  482.     def slot_handleNoteOffCallback(self, pluginId, channel, note):

  483.         pwidget = self.fPluginList[pluginId]

  484.         if pwidget is None:

  485.             return

  486. 

  487.         pwidget.ui.edit_dialog.keyboard.sendNoteOff(note, False)

  488. 

  489.     @pyqtSlot(int, int)

  490.     def slot_handleShowGuiCallback(self, pluginId, show):

  491.         pwidget = self.fPluginList[pluginId]

  492.         if pwidget is None:

  493.             return

  494. 

  495.         if show == 0:

  496.             pwidget.ui.b_gui.setChecked(False)

  497.             pwidget.ui.b_gui.setEnabled(True)

  498.         elif show == 1:

  499.             pwidget.ui.b_gui.setChecked(True)

  500.             pwidget.ui.b_gui.setEnabled(True)

  501.         elif show == -1:

  502.             pwidget.ui.b_gui.setChecked(False)

  503.             pwidget.ui.b_gui.setEnabled(False)

  504. 

  505.     @pyqtSlot(int)

  506.     def slot_handleUpdateCallback(self, pluginId):

  507.         pwidget = self.fPluginList[pluginId]

  508.         if pwidget is None:

  509.             return

  510. 

  511.         pwidget.ui.edit_dialog.do_update()

  512. 

  513.     @pyqtSlot(int)

  514.     def slot_handleReloadInfoCallback(self, pluginId):

  515.         pwidget = self.fPluginList[pluginId]

  516.         if pwidget is None:

  517.             return

  518. 

  519.         pwidget.ui.edit_dialog.reloadInfo()

  520. 

  521.     @pyqtSlot(int)

  522.     def slot_handleReloadParametersCallback(self, pluginId):

  523.         pwidget = self.fPluginList[pluginId]

  524.         if pwidget is None:

  525.             return

  526. 

  527.         pwidget.ui.edit_dialog.reloadParameters()

  528. 

  529.     @pyqtSlot(int)

  530.     def slot_handleReloadProgramsCallback(self, pluginId):

  531.         pwidget = self.fPluginList[pluginId]

  532.         if pwidget is None:

  533.             return

  534. 

  535.         pwidget.ui.edit_dialog.reloadPrograms()

  536. 

  537.     @pyqtSlot(int)

  538.     def slot_handleReloadAllCallback(self, pluginId):

  539.         pwidget = self.fPluginList[pluginId]

  540.         if pwidget is None:

  541.             return

  542. 

  543.         pwidget.ui.edit_dialog.reloadAll()

  544. 

  545.     @pyqtSlot(str)

  546.     def slot_handleErrorCallback(self, error):

  547.         QMessageBox.critical(self, self.tr("Error"), error)

  548. 

  549.     @pyqtSlot()

  550.     def slot_handleQuitCallback(self):

  551.         CustomMessageBox(self, QMessageBox.Warning, self.tr("Warning"),

  552.             self.tr("Engine has been stopped or crashed.\nPlease restart Carla"),

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

  554. 

  555.     def getExtraStuff(self, plugin):

  556.         ptype = plugin['type']

  557. 

  558.         if ptype == PLUGIN_LADSPA:

  559.             uniqueId = plugin['uniqueId']

  560.             for rdfItem in self.fLadspaRdfList:

  561.                 if rdfItem.UniqueID == uniqueId:

  562.                     return pointer(rdfItem)

  563. 

  564.         elif ptype == PLUGIN_DSSI:

  565.             if (plugin['hints'] & PLUGIN_HAS_GUI):

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

  567.                 if gui:

  568.                     return gui.encode("utf-8")

  569. 

  570.         return c_nullptr

  571. 

  572.     def loadRDFs(self):

  573.         # Save RDF info for later

  574.         self.fLadspaRdfList = []

  575. 

  576.         if not haveLRDF:

  577.             return

  578. 

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

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

  581. 

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

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

  584. 

  585.             try:

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

  587.             except:

  588.                 pass

  589. 

  590.             frLadspa.close()

  591. 

  592.     def saveSettings(self):

  593.         settings = QSettings()

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

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

  596. 

  597.     def loadSettings(self, geometry):

  598.         settings = QSettings()

  599. 

  600.         if geometry:

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

  602. 

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

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

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

  606. 

  607.         self.fSavedSettings = {

  608.             "Main/DefaultProjectFolder": settings.value("Main/DefaultProjectFolder", HOME, type=str),

  609.             "Main/RefreshInterval": settings.value("Main/RefreshInterval", 50, type=int)

  610.         }

  611. 

  612.         # ---------------------------------------------

  613.         # plugin checks

  614. 

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

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

  617. 

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

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

  620. 

  621.         # ---------------------------------------------

  622.         # plugin paths

  623. 

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

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

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

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

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

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

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

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

  632. 

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

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

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

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

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

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

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

  640. 

  641.     def timerEvent(self, event):

  642.         if event.timerId() == self.fIdleTimerFast:

  643.             Carla.host.engine_idle()

  644. 

  645.             for pwidget in self.fPluginList:

  646.                 if pwidget is None:

  647.                     break

  648.                 pwidget.idleFast()

  649. 

  650.         elif event.timerId() == self.fIdleTimerSlow:

  651.             for pwidget in self.fPluginList:

  652.                 if pwidget is None:

  653.                     break

  654.                 pwidget.idleSlow()

  655. 

  656.         QMainWindow.timerEvent(self, event)

  657. 

  658.     def closeEvent(self, event):

  659.         #if self.nsm_server:

  660.             #self.nsm_server.stop()

  661. 

  662.         self.saveSettings()

  663. 

  664.         self.removeAllPlugins()

  665.         self.stopEngine()

  666. 

  667.         QMainWindow.closeEvent(self, event)

  668. 

  669. # ------------------------------------------------------------------------------------------------

  670. 

  671. def callbackFunction(ptr, action, pluginId, value1, value2, value3, valueStr):

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

  673.         return

  674. 

  675.     if action == CALLBACK_DEBUG:

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

  677.     elif action == CALLBACK_PLUGIN_ADDED:

  678.         return Carla.gui.emit(SIGNAL("PluginAddedCallback(int)"), pluginId)

  679.     elif action == CALLBACK_PLUGIN_REMOVED:

  680.         return Carla.gui.emit(SIGNAL("PluginRemovedCallback(int)"), pluginId)

  681.     elif action == CALLBACK_PARAMETER_VALUE_CHANGED:

  682.         return Carla.gui.emit(SIGNAL("ParameterValueChangedCallback(int, int, double)"), pluginId, value1, value3)

  683.     elif action == CALLBACK_PARAMETER_DEFAULT_CHANGED:

  684.         return Carla.gui.emit(SIGNAL("ParameterDefaultChangedCallback(int, int, double)"), pluginId, value1, value3)

  685.     elif action == CALLBACK_PARAMETER_MIDI_CHANNEL_CHANGED:

  686.         return Carla.gui.emit(SIGNAL("ParameterMidiChannelChangedCallback(int, int, int)"), pluginId, value1, value2)

  687.     elif action == CALLBACK_PARAMETER_MIDI_CC_CHANGED:

  688.         return Carla.gui.emit(SIGNAL("ParameterMidiCcChangedCallback(int, int, int)"), pluginId, value1, value2)

  689.     elif action == CALLBACK_PROGRAM_CHANGED:

  690.         return Carla.gui.emit(SIGNAL("ProgramChangedCallback(int, int)"), pluginId, value1)

  691.     elif action == CALLBACK_MIDI_PROGRAM_CHANGED:

  692.         return Carla.gui.emit(SIGNAL("MidiProgramChangedCallback(int, int)"), pluginId, value1)

  693.     elif action == CALLBACK_NOTE_ON:

  694.         return Carla.gui.emit(SIGNAL("NoteOnCallback(int, int, int, int)"), pluginId, value1, value2, value3)

  695.     elif action == CALLBACK_NOTE_OFF:

  696.         return Carla.gui.emit(SIGNAL("NoteOffCallback(int, int, int)"), pluginId, value1, value2)

  697.     elif action == CALLBACK_SHOW_GUI:

  698.         return Carla.gui.emit(SIGNAL("ShowGuiCallback(int, int)"), pluginId, value1)

  699.     elif action == CALLBACK_UPDATE:

  700.         return Carla.gui.emit(SIGNAL("UpdateCallback(int)"), pluginId)

  701.     elif action == CALLBACK_RELOAD_INFO:

  702.         return Carla.gui.emit(SIGNAL("ReloadInfoCallback(int)"), pluginId)

  703.     elif action == CALLBACK_RELOAD_PARAMETERS:

  704.         return Carla.gui.emit(SIGNAL("ReloadParametersCallback(int)"), pluginId)

  705.     elif action == CALLBACK_RELOAD_PROGRAMS:

  706.         return Carla.gui.emit(SIGNAL("ReloadProgramsCallback(int)"), pluginId)

  707.     elif action == CALLBACK_RELOAD_ALL:

  708.         return Carla.gui.emit(SIGNAL("ReloadAllCallback(int)"), pluginId)

  709.     #elif action == CALLBACK_NSM_ANNOUNCE:

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

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

  712.         #return

  713.     #elif action == CALLBACK_NSM_OPEN1:

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

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

  716.         #return

  717.     #elif action == CALLBACK_NSM_OPEN2:

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

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

  720.         #return

  721.     #elif action == CALLBACK_NSM_SAVE:

  722.         #return Carla.gui.emit(SIGNAL("NSM_SaveCallback()"))

  723.     elif action == CALLBACK_ERROR:

  724.         return Carla.gui.emit(SIGNAL("ErrorCallback(QString)"), valueStr)

  725.     elif action == CALLBACK_QUIT:

  726.         return Carla.gui.emit(SIGNAL("QuitCallback()"))

  727. 

  728. #--------------- main ------------------

  729. if __name__ == '__main__':

  730.     # App initialization

  731.     app = QApplication(sys.argv)

  732.     app.setApplicationName("Carla")

  733.     app.setApplicationVersion(VERSION)

  734.     app.setOrganizationName("Cadence")

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

  736. 

  737.     libPrefix = None

  738.     projectFilename = None

  739. 

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

  741.         if i == 0: continue

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

  743. 

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

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

  746. 

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

  748.             projectFilename = argument

  749. 

  750.     # Init backend

  751.     Carla.host = Host(libPrefix)

  752.     Carla.host.set_callback_function(callbackFunction)

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

  754. 

  755.     # Set bridge paths

  756.     if carla_bridge_native:

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

  758. 

  759.     if carla_bridge_posix32:

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

  761. 

  762.     if carla_bridge_posix64:

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

  764. 

  765.     if carla_bridge_win32:

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

  767. 

  768.     if carla_bridge_win64:

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

  770. 

  771.     if WINDOWS:

  772.         if carla_bridge_lv2_windows:

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

  774. 

  775.         if carla_bridge_vst_hwnd:

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

  777. 

  778.     elif MACOS:

  779.         if carla_bridge_lv2_cocoa:

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

  781. 

  782.         if carla_bridge_vst_cocoa:

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

  784. 

  785.     else:

  786.         if carla_bridge_lv2_gtk2:

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

  788. 

  789.         if carla_bridge_lv2_gtk3:

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

  791. 

  792.         if carla_bridge_lv2_qt4:

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

  794. 

  795.         if carla_bridge_lv2_qt5:

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

  797. 

  798.         if carla_bridge_lv2_x11:

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

  800. 

  801.         if carla_bridge_vst_x11:

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

  803. 

  804.     # Create GUI and start engine

  805.     Carla.gui = CarlaMainW()

  806. 

  807.     # Set-up custom signal handling

  808.     setUpSignals(Carla.gui)

  809. 

  810.     # Show GUI

  811.     Carla.gui.show()

  812. 

  813.     # Load project file if set

  814.     if projectFilename:

  815.         Carla.gui.loadProjectLater(projectFilename)

  816. 

  817.     # App-Loop

  818.     ret = app.exec_()

  819. 

  820.     # Exit properly

  821.     sys.exit(ret)