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Carla
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Audio plugin host https://kx.studio/carla
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  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. #try:

  23.     #from PyQt5.QtWidgets import QLabel, QTabWidget

  24. #except:

  25. from PyQt4.QtGui import QLabel, QTabWidget

  26. 

  27. # ------------------------------------------------------------------------------------------------------------

  28. # Imports (Custom Stuff)

  29. 

  30. from carla_host import *

  31. from carla_patchbay import CarlaPatchbayW

  32. from carla_rack import CarlaRackW

  33. 

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

  35. # Tab widget (rack + patchbay)

  36. 

  37. class CarlaMultiW(QTabWidget):

  38.     def __init__(self, parent):

  39.         QTabWidget.__init__(self, parent)

  40. 

  41.         self.fRack     = CarlaRackW(parent, False)

  42.         self.fPatchbay = CarlaPatchbayW(parent, False)

  43.         self.fParent   = parent

  44. 

  45.         self.addTab(self.fRack, "Plugins")

  46.         self.addTab(self.fPatchbay, "Patchbay")

  47. 

  48.         self.scene = self.fPatchbay.scene

  49. 

  50.         parent.ui.act_plugins_enable.triggered.connect(self.fRack.slot_pluginsEnable)

  51.         parent.ui.act_plugins_disable.triggered.connect(self.fRack.slot_pluginsDisable)

  52.         parent.ui.act_plugins_volume100.triggered.connect(self.fRack.slot_pluginsVolume100)

  53.         parent.ui.act_plugins_mute.triggered.connect(self.fRack.slot_pluginsMute)

  54.         parent.ui.act_plugins_wet100.triggered.connect(self.fRack.slot_pluginsWet100)

  55.         parent.ui.act_plugins_bypass.triggered.connect(self.fRack.slot_pluginsBypass)

  56.         parent.ui.act_plugins_center.triggered.connect(self.fRack.slot_pluginsCenter)

  57.         parent.ui.act_plugins_panic.triggered.connect(self.fRack.slot_pluginsDisable)

  58. 

  59.         parent.ui.act_canvas_arrange.setEnabled(False) # TODO, later

  60.         parent.ui.act_canvas_arrange.triggered.connect(self.fPatchbay.slot_canvasArrange)

  61.         parent.ui.act_canvas_refresh.triggered.connect(self.fPatchbay.slot_canvasRefresh)

  62.         parent.ui.act_canvas_zoom_fit.triggered.connect(self.fPatchbay.slot_canvasZoomFit)

  63.         parent.ui.act_canvas_zoom_in.triggered.connect(self.fPatchbay.slot_canvasZoomIn)

  64.         parent.ui.act_canvas_zoom_out.triggered.connect(self.fPatchbay.slot_canvasZoomOut)

  65.         parent.ui.act_canvas_zoom_100.triggered.connect(self.fPatchbay.slot_canvasZoomReset)

  66.         parent.ui.act_canvas_print.triggered.connect(self.fPatchbay.slot_canvasPrint)

  67.         parent.ui.act_canvas_save_image.triggered.connect(self.fPatchbay.slot_canvasSaveImage)

  68. 

  69.         parent.ui.act_settings_configure.triggered.connect(self.fPatchbay.slot_configureCarla)

  70. 

  71.         parent.ParameterValueChangedCallback.connect(self.fRack.slot_handleParameterValueChangedCallback)

  72.         parent.ParameterDefaultChangedCallback.connect(self.fRack.slot_handleParameterDefaultChangedCallback)

  73.         parent.ParameterMidiChannelChangedCallback.connect(self.fRack.slot_handleParameterMidiChannelChangedCallback)

  74.         parent.ParameterMidiCcChangedCallback.connect(self.fRack.slot_handleParameterMidiCcChangedCallback)

  75.         parent.ProgramChangedCallback.connect(self.fRack.slot_handleProgramChangedCallback)

  76.         parent.MidiProgramChangedCallback.connect(self.fRack.slot_handleMidiProgramChangedCallback)

  77.         parent.UiStateChangedCallback.connect(self.fRack.slot_handleUiStateChangedCallback)

  78.         parent.NoteOnCallback.connect(self.fRack.slot_handleNoteOnCallback)

  79.         parent.NoteOffCallback.connect(self.fRack.slot_handleNoteOffCallback)

  80.         parent.UpdateCallback.connect(self.fRack.slot_handleUpdateCallback)

  81.         parent.ReloadInfoCallback.connect(self.fRack.slot_handleReloadInfoCallback)

  82.         parent.ReloadParametersCallback.connect(self.fRack.slot_handleReloadParametersCallback)

  83.         parent.ReloadProgramsCallback.connect(self.fRack.slot_handleReloadProgramsCallback)

  84.         parent.ReloadAllCallback.connect(self.fRack.slot_handleReloadAllCallback)

  85. 

  86.         parent.PatchbayClientAddedCallback.connect(self.fPatchbay.slot_handlePatchbayClientAddedCallback)

  87.         parent.PatchbayClientRemovedCallback.connect(self.fPatchbay.slot_handlePatchbayClientRemovedCallback)

  88.         parent.PatchbayClientRenamedCallback.connect(self.fPatchbay.slot_handlePatchbayClientRenamedCallback)

  89.         parent.PatchbayClientIconChangedCallback.connect(self.fPatchbay.slot_handlePatchbayClientIconChangedCallback)

  90.         parent.PatchbayPortAddedCallback.connect(self.fPatchbay.slot_handlePatchbayPortAddedCallback)

  91.         parent.PatchbayPortRemovedCallback.connect(self.fPatchbay.slot_handlePatchbayPortRemovedCallback)

  92.         parent.PatchbayPortRenamedCallback.connect(self.fPatchbay.slot_handlePatchbayPortRenamedCallback)

  93.         parent.PatchbayConnectionAddedCallback.connect(self.fPatchbay.slot_handlePatchbayConnectionAddedCallback)

  94.         parent.PatchbayConnectionRemovedCallback.connect(self.fPatchbay.slot_handlePatchbayConnectionRemovedCallback)

  95. 

  96.     # -----------------------------------------------------------------

  97. 

  98.     def getPluginCount(self):

  99.         return self.fRack.getPluginCount()

  100. 

  101.     # -----------------------------------------------------------------

  102. 

  103.     def addPlugin(self, pluginId, isProjectLoading):

  104.         self.fRack.addPlugin(pluginId, isProjectLoading)

  105. 

  106.     def removePlugin(self, pluginId):

  107.         self.fRack.removePlugin(pluginId)

  108. 

  109.     def renamePlugin(self, pluginId, newName):

  110.         self.fRack.renamePlugin(pluginId, newName)

  111. 

  112.     def disablePlugin(self, pluginId, errorMsg):

  113.         self.fRack.disablePlugin(pluginId)

  114. 

  115.     def removeAllPlugins(self):

  116.         self.fRack.removeAllPlugins()

  117. 

  118.     # -----------------------------------------------------------------

  119. 

  120.     def engineStarted(self):

  121.         #self.fRack.engineStarted()

  122.         #self.fPatchbay.engineStarted()

  123.         self.fParent.engineChanged()

  124. 

  125.     def engineStopped(self):

  126.         #self.fRack.engineStopped()

  127.         self.fPatchbay.engineStopped()

  128.         self.fParent.engineStopped()

  129. 

  130.     def engineChanged(self):

  131.         self.fParent.engineChanged()

  132. 

  133.     # -----------------------------------------------------------------

  134. 

  135.     def idleFast(self):

  136.         self.fRack.idleFast()

  137. 

  138.     def idleSlow(self):

  139.         self.fRack.idleSlow()

  140. 

  141.     # -----------------------------------------------------------------

  142. 

  143.     def saveSettings(self, settings):

  144.         #self.fRack.saveSettings(settings)

  145.         self.fPatchbay.saveSettings(settings)

  146.         #self.fParent.saveSettings(settings)

  147. 

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

  149. 

  150.     def fixCanvasPreviewSize(self):

  151.         self.fPatchbay.resize(self.fRack.size())

  152.         self.fPatchbay.slot_miniCanvasCheckSize()

  153. 

  154.     def resizeEvent(self, event):

  155.         QTabWidget.resizeEvent(self, event)

  156. 

  157.         if self.currentIndex() == 0:

  158.             self.fixCanvasPreviewSize()

  159. 

  160. # ------------------------------------------------------------------------------------------------------------

  161. # Main Window

  162. 

  163. class CarlaHostW(HostWindow):

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

  165.         HostWindow.__init__(self, parent)

  166. 

  167.         # -------------------------------------------------------------

  168.         # Set-up container

  169. 

  170.         self.fContainer = CarlaMultiW(self)

  171.         self.setupContainer(True, self.fContainer.fPatchbay.themeData)

  172. 

  173.         # -------------------------------------------------------------

  174.         # Set-up GUI stuff

  175. 

  176.         self.fInfoText  = ""

  177.         self.fInfoLabel = QLabel(self)

  178.         self.fInfoLabel.setAlignment(Qt.AlignRight|Qt.AlignVCenter)

  179.         self.fInfoLabel.setText("Engine stopped")

  180. 

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

  182. 

  183.         self.ui.act_settings_show_toolbar.triggered.connect(self.slot_toolbarShown)

  184.         self.ui.splitter.splitterMoved.connect(self.slot_splitterMoved)

  185. 

  186.         QTimer.singleShot(0, self.slot_initWidgets)

  187. 

  188.     # -----------------------------------------------------------------

  189. 

  190.     def engineStopped(self):

  191.         self.fInfoText = ""

  192.         self.fInfoLabel.setText("Engine stopped")

  193. 

  194.     def engineChanged(self):

  195.         self.fInfoText = "Engine running | SampleRate: %g | BufferSize: %i" % (Carla.sampleRate, Carla.bufferSize)

  196.         self.fInfoLabel.setText("%s | %s" % (self.fInfoText, self.fTextTransport))

  197. 

  198.     # -----------------------------------------------------------------

  199. 

  200.     def updateInfoLabelXandSize(self):

  201.         tabBar = self.fContainer.tabBar()

  202.         x = tabBar.width() + self.ui.tabUtils.width() + 20

  203.         self.fInfoLabel.move(x, self.fInfoLabel.y())

  204.         self.fInfoLabel.resize(self.fContainer.width()-tabBar.width()-20, self.fInfoLabel.height())

  205. 

  206.     def updateInfoLabelY(self):

  207.         tabBar = self.fContainer.tabBar()

  208.         y = tabBar.mapFromParent(self.ui.centralwidget.pos()).y()

  209. 

  210.         if not self.ui.toolBar.isVisible():

  211.             y -= self.ui.toolBar.height()

  212. 

  213.         self.fInfoLabel.move(self.fInfoLabel.x(), y)

  214. 

  215.     # -----------------------------------------------------------------

  216. 

  217.     @pyqtSlot()

  218.     def slot_initWidgets(self):

  219.         tabBar = self.fContainer.tabBar()

  220.         x = tabBar.width() + self.ui.tabUtils.width() + 20

  221.         y = tabBar.mapFromParent(self.ui.centralwidget.pos()).y()

  222. 

  223.         self.fInfoLabel.move(x, y)

  224.         self.fInfoLabel.resize(self.fContainer.width()-tabBar.width()-20, tabBar.height())

  225. 

  226.         # FIXME: Qt4 needs this so it properly creates & resizes the canvas

  227.         self.fContainer.setCurrentIndex(1)

  228.         self.fContainer.setCurrentIndex(0)

  229.         self.fContainer.fixCanvasPreviewSize()

  230. 

  231.     @pyqtSlot()

  232.     def slot_splitterMoved(self):

  233.         self.updateInfoLabelXandSize()

  234. 

  235.     @pyqtSlot()

  236.     def slot_toolbarShown(self):

  237.         self.updateInfoLabelY()

  238. 

  239.     # -----------------------------------------------------------------

  240. 

  241.     def resizeEvent(self, event):

  242.         HostWindow.resizeEvent(self, event)

  243.         self.updateInfoLabelXandSize()

  244. 

  245.     def timerEvent(self, event):

  246.         HostWindow.timerEvent(self, event)

  247. 

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

  249.             self.fInfoLabel.setText("%s | %s" % (self.fInfoText, self.fTextTransport))

  250. 

  251. # ------------------------------------------------------------------------------------------------------------

  252. # Main

  253. 

  254. if __name__ == '__main__':

  255.     # -------------------------------------------------------------

  256.     # App initialization

  257. 

  258.     app = CarlaApplication()

  259. 

  260.     # -------------------------------------------------------------

  261.     # Set-up custom signal handling

  262. 

  263.     setUpSignals()

  264. 

  265.     # -------------------------------------------------------------

  266.     # Read CLI args

  267. 

  268.     appName = os.path.basename(__file__) if ("__file__" in dir() and os.path.dirname(__file__) in PATH) else sys.argv[0]

  269.     libPrefix = None

  270.     projectFilename = None

  271. 

  272.     argv = app.arguments()

  273.     argc = len(argv)

  274. 

  275.     for i in range(argc):

  276.         if i == 0: continue

  277.         argument = argv[i]

  278. 

  279.         if argument.startswith("--with-appname="):

  280.             appName = os.path.basename(argument.replace("--with-appname=", ""))

  281. 

  282.         elif argument.startswith("--with-libprefix="):

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

  284. 

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

  286.             projectFilename = argument

  287. 

  288.     if libPrefix is not None:

  289.         app.addLibraryPath(os.path.join(libPrefix, "lib", "carla"))

  290. 

  291.     # -------------------------------------------------------------

  292.     # Init host backend

  293. 

  294.     Carla.isControl   = False

  295.     Carla.isLocal     = True

  296.     Carla.isPlugin    = False

  297. 

  298.     initHost(appName, libPrefix)

  299. 

  300.     # -------------------------------------------------------------

  301.     # Create GUI

  302. 

  303.     Carla.gui = CarlaHostW()

  304. 

  305.     # -------------------------------------------------------------

  306.     # Load project file if set

  307. 

  308.     if projectFilename is not None:

  309.         Carla.gui.loadProjectLater(projectFilename)

  310. 

  311.     # -------------------------------------------------------------

  312.     # Show GUI

  313. 

  314.     Carla.gui.show()

  315. 

  316.     # -------------------------------------------------------------

  317.     # App-Loop

  318. 

  319.     sys.exit(app.exec_())