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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.NoteOnCallback.connect(self.fRack.slot_handleNoteOnCallback)

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

  79.         parent.ShowGuiCallback.connect(self.fRack.slot_handleShowGuiCallback)

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

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

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

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

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

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

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

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

  93.         parent.PatchbayIconChangedCallback.connect(self.fPatchbay.slot_handlePatchbayIconChangedCallback)

  94. 

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

  96. 

  97.     def getPluginCount(self):

  98.         return self.fRack.getPluginCount()

  99. 

  100.     # -----------------------------------------------------------------

  101. 

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

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

  104. 

  105.     def removePlugin(self, pluginId):

  106.         self.fRack.removePlugin(pluginId)

  107. 

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

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

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

  111. 

  112.     def removeAllPlugins(self):

  113.         self.fRack.removeAllPlugins()

  114. 

  115.     # -----------------------------------------------------------------

  116. 

  117.     def engineStarted(self):

  118.         #self.fRack.engineStarted()

  119.         #self.fPatchbay.engineStarted()

  120.         self.fParent.engineChanged()

  121. 

  122.     def engineStopped(self):

  123.         #self.fRack.engineStopped()

  124.         self.fPatchbay.engineStopped()

  125.         self.fParent.engineStopped()

  126. 

  127.     def engineChanged(self):

  128.         self.fParent.engineChanged()

  129. 

  130.     # -----------------------------------------------------------------

  131. 

  132.     def idleFast(self):

  133.         self.fRack.idleFast()

  134. 

  135.     def idleSlow(self):

  136.         self.fRack.idleSlow()

  137. 

  138.     # -----------------------------------------------------------------

  139. 

  140.     def saveSettings(self, settings):

  141.         pass

  142.         #self.fRack.saveSettings(settings)

  143.         #self.fPatchbay.saveSettings(settings)

  144. 

  145. # ------------------------------------------------------------------------------------------------------------

  146. # Main Window

  147. 

  148. class CarlaHostW(HostWindow):

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

  150.         HostWindow.__init__(self, parent)

  151. 

  152.         # -------------------------------------------------------------

  153.         # Set-up container

  154. 

  155.         self.fContainer = CarlaMultiW(self)

  156.         self.setupContainer(True)

  157. 

  158.         # -------------------------------------------------------------

  159.         # Set-up GUI stuff

  160. 

  161.         self.fInfoText  = ""

  162.         self.fInfoLabel = QLabel(self)

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

  164. 

  165.         # -------------------------------------------------------------

  166. 

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

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

  169. 

  170.         QTimer.singleShot(0, self.slot_infoLabelInit)

  171. 

  172.     # -----------------------------------------------------------------

  173. 

  174.     def engineStopped(self):

  175.         self.fInfoText = ""

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

  177. 

  178.     def engineChanged(self):

  179.         self.fInfoText = "Engine running | SampleRate: %g | BufferSize: %i" % (self.fSampleRate, self.fBufferSize)

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

  181. 

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

  183. 

  184.     def updateInfoLabelPos(self):

  185.         tabBar = self.fContainer.tabBar()

  186.         y = tabBar.mapFromParent(self.ui.centralwidget.pos()).y() #+tabBar.height()/4

  187. 

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

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

  190. 

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

  192. 

  193.     def updateInfoLabelSize(self):

  194.         tabBar = self.fContainer.tabBar()

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

  196. 

  197.     # -----------------------------------------------------------------

  198. 

  199.     @pyqtSlot()

  200.     def slot_splitterMoved(self):

  201.         self.updateInfoLabelSize()

  202. 

  203.     @pyqtSlot()

  204.     def slot_toolbarShown(self):

  205.         self.updateInfoLabelPos()

  206. 

  207.     @pyqtSlot()

  208.     def slot_infoLabelInit(self):

  209.         tabBar = self.fContainer.tabBar()

  210.         x = tabBar.width()+20

  211.         y = tabBar.mapFromParent(self.ui.centralwidget.pos()).y() #+ tabBar.height()/4

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

  213.         self.fInfoLabel.resize(self.fContainer.width()-x, tabBar.height())

  214. 

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

  216. 

  217.     def resizeEvent(self, event):

  218.         self.updateInfoLabelSize()

  219.         HostWindow.resizeEvent(self, event)

  220. 

  221.     def timerEvent(self, event):

  222.         HostWindow.timerEvent(self, event)

  223. 

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

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

  226. 

  227. # ------------------------------------------------------------------------------------------------------------

  228. # Main

  229. 

  230. if __name__ == '__main__':

  231.     # -------------------------------------------------------------

  232.     # App initialization

  233. 

  234.     app = CarlaApplication()

  235. 

  236.     # -------------------------------------------------------------

  237.     # Set-up custom signal handling

  238. 

  239.     setUpSignals()

  240. 

  241.     # -------------------------------------------------------------

  242.     # Read CLI args

  243. 

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

  245.     libPrefix = None

  246.     projectFilename = None

  247. 

  248.     argv = app.arguments()

  249.     argc = len(argv)

  250. 

  251.     for i in range(argc):

  252.         if i == 0: continue

  253.         argument = argv[i]

  254. 

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

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

  257. 

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

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

  260. 

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

  262.             projectFilename = argument

  263. 

  264.     # -------------------------------------------------------------

  265.     # Init host backend

  266. 

  267.     Carla.isControl   = False

  268.     Carla.isLocal     = True

  269.     Carla.isPlugin    = False

  270. 

  271.     initHost(appName, libPrefix)

  272. 

  273.     # -------------------------------------------------------------

  274.     # Create GUI

  275. 

  276.     Carla.gui = CarlaHostW()

  277. 

  278.     # -------------------------------------------------------------

  279.     # Load project file if set

  280. 

  281.     if projectFilename is not None:

  282.         Carla.gui.loadProjectLater(projectFilename)

  283. 

  284.     # -------------------------------------------------------------

  285.     # Show GUI

  286. 

  287.     Carla.gui.show()

  288. 

  289.     # -------------------------------------------------------------

  290.     # App-Loop

  291. 

  292.     sys.exit(app.exec_())