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Carla
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Audio plugin host https://kx.studio/carla
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Carla/source/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.         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.PatchbayIconChangedCallback.connect(self.fPatchbay.slot_handlePatchbayIconChangedCallback)

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

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

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

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

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

  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 disablePlugin(self, pluginId, errorMsg):

  113.         pass

  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.         pass

  145.         #self.fRack.saveSettings(settings)

  146.         #self.fPatchbay.saveSettings(settings)

  147. 

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

  149. # Main Window

  150. 

  151. class CarlaHostW(HostWindow):

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

  153.         HostWindow.__init__(self, parent)

  154. 

  155.         # -------------------------------------------------------------

  156.         # Set-up container

  157. 

  158.         self.fContainer = CarlaMultiW(self)

  159.         self.setupContainer(True)

  160. 

  161.         # -------------------------------------------------------------

  162.         # Set-up GUI stuff

  163. 

  164.         self.fInfoText  = ""

  165.         self.fInfoLabel = QLabel(self)

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

  167. 

  168.         # -------------------------------------------------------------

  169. 

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

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

  172. 

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

  174. 

  175.     # -----------------------------------------------------------------

  176. 

  177.     def engineStopped(self):

  178.         self.fInfoText = ""

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

  180. 

  181.     def engineChanged(self):

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

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

  184. 

  185.     # -----------------------------------------------------------------

  186. 

  187.     def updateInfoLabelPos(self):

  188.         tabBar = self.fContainer.tabBar()

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

  190. 

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

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

  193. 

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

  195. 

  196.     def updateInfoLabelSize(self):

  197.         tabBar = self.fContainer.tabBar()

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

  199. 

  200.     # -----------------------------------------------------------------

  201. 

  202.     @pyqtSlot()

  203.     def slot_splitterMoved(self):

  204.         self.updateInfoLabelSize()

  205. 

  206.     @pyqtSlot()

  207.     def slot_toolbarShown(self):

  208.         self.updateInfoLabelPos()

  209. 

  210.     @pyqtSlot()

  211.     def slot_infoLabelInit(self):

  212.         tabBar = self.fContainer.tabBar()

  213.         x = tabBar.width()+20

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

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

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

  217. 

  218.     # -----------------------------------------------------------------

  219. 

  220.     def resizeEvent(self, event):

  221.         self.updateInfoLabelSize()

  222.         HostWindow.resizeEvent(self, event)

  223. 

  224.     def timerEvent(self, event):

  225.         HostWindow.timerEvent(self, event)

  226. 

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

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

  229. 

  230. # ------------------------------------------------------------------------------------------------------------

  231. # Main

  232. 

  233. if __name__ == '__main__':

  234.     # -------------------------------------------------------------

  235.     # App initialization

  236. 

  237.     app = CarlaApplication()

  238. 

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

  240.     # Set-up custom signal handling

  241. 

  242.     setUpSignals()

  243. 

  244.     # -------------------------------------------------------------

  245.     # Read CLI args

  246. 

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

  248.     libPrefix = None

  249.     projectFilename = None

  250. 

  251.     argv = app.arguments()

  252.     argc = len(argv)

  253. 

  254.     for i in range(argc):

  255.         if i == 0: continue

  256.         argument = argv[i]

  257. 

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

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

  260. 

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

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

  263. 

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

  265.             projectFilename = argument

  266. 

  267.     # -------------------------------------------------------------

  268.     # Init host backend

  269. 

  270.     Carla.isControl   = False

  271.     Carla.isLocal     = True

  272.     Carla.isPlugin    = False

  273. 

  274.     initHost(appName, libPrefix)

  275. 

  276.     # -------------------------------------------------------------

  277.     # Create GUI

  278. 

  279.     Carla.gui = CarlaHostW()

  280. 

  281.     # -------------------------------------------------------------

  282.     # Load project file if set

  283. 

  284.     if projectFilename is not None:

  285.         Carla.gui.loadProjectLater(projectFilename)

  286. 

  287.     # -------------------------------------------------------------

  288.     # Show GUI

  289. 

  290.     Carla.gui.show()

  291. 

  292.     # -------------------------------------------------------------

  293.     # App-Loop

  294. 

  295.     sys.exit(app.exec_())