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Carla
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Carla/source/frontend/carla_shared.py

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  1. #!/usr/bin/env python3

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

  3. 

  4. # Common Carla code

  5. # Copyright (C) 2011-2019 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 doc/GPL.txt file.

  18. 

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

  20. # Config

  21. 

  22. # These will be modified during install

  23. X_LIBDIR_X = None

  24. X_DATADIR_X = None

  25. 

  26. # ------------------------------------------------------------------------------------------------------------

  27. # Imports (Global)

  28. 

  29. import os

  30. import sys

  31. 

  32. from PyQt5.Qt import PYQT_VERSION_STR

  33. from PyQt5.QtCore import qFatal, QT_VERSION_STR, qWarning, QDir

  34. from PyQt5.QtGui import QIcon

  35. from PyQt5.QtWidgets import QFileDialog, QMessageBox

  36. 

  37. # ------------------------------------------------------------------------------------------------------------

  38. # Import Signal

  39. 

  40. from signal import signal, SIGINT, SIGTERM

  41. 

  42. try:

  43.     from signal import SIGUSR1

  44.     haveSIGUSR1 = True

  45. except:

  46.     haveSIGUSR1 = False

  47. 

  48. # ------------------------------------------------------------------------------------------------------------

  49. # Imports (Custom)

  50. 

  51. from carla_backend_qt import *

  52. 

  53. # ------------------------------------------------------------------------------------------------------------

  54. # Platform specific stuff

  55. 

  56. if WINDOWS:

  57.     WINDIR = os.getenv("WINDIR")

  58. 

  59. # ------------------------------------------------------------------------------------------------------------

  60. # Set Version

  61. 

  62. VERSION = "2.0.90 (2.1-alpha2)"

  63. 

  64. # ------------------------------------------------------------------------------------------------------------

  65. # Set TMP

  66. 

  67. envTMP = os.getenv("TMP")

  68. 

  69. if envTMP is None:

  70.     if WINDOWS:

  71.         qWarning("TMP variable not set")

  72.     TMP = QDir.tempPath()

  73. else:

  74.     TMP = envTMP

  75. 

  76. if not os.path.exists(TMP):

  77.     qWarning("TMP does not exist")

  78.     TMP = "/"

  79. 

  80. del envTMP

  81. 

  82. # ------------------------------------------------------------------------------------------------------------

  83. # Set HOME

  84. 

  85. envHOME = os.getenv("HOME")

  86. 

  87. if envHOME is None:

  88.     if LINUX or MACOS:

  89.         qWarning("HOME variable not set")

  90.     HOME = QDir.toNativeSeparators(QDir.homePath())

  91. else:

  92.     HOME = envHOME

  93. 

  94. if not os.path.exists(HOME):

  95.     qWarning("HOME does not exist")

  96.     HOME = TMP

  97. 

  98. del envHOME

  99. 

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

  101. # Set PATH

  102. 

  103. envPATH = os.getenv("PATH")

  104. 

  105. if envPATH is None:

  106.     qWarning("PATH variable not set")

  107.     if MACOS:

  108.         PATH = ("/opt/local/bin", "/usr/local/bin", "/usr/bin", "/bin")

  109.     elif WINDOWS:

  110.         PATH = (os.path.join(WINDIR, "system32"), WINDIR)

  111.     else:

  112.         PATH = ("/usr/local/bin", "/usr/bin", "/bin")

  113. else:

  114.     PATH = envPATH.split(os.pathsep)

  115. 

  116. del envPATH

  117. 

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

  119. # Static MIDI CC list

  120. 

  121. MIDI_CC_LIST = (

  122.     "0x01 Modulation",

  123.     "0x02 Breath",

  124.     "0x03 (Undefined)",

  125.     "0x04 Foot",

  126.     "0x05 Portamento",

  127.     "0x07 Volume",

  128.     "0x08 Balance",

  129.     "0x09 (Undefined)",

  130.     "0x0A Pan",

  131.     "0x0B Expression",

  132.     "0x0C FX Control 1",

  133.     "0x0D FX Control 2",

  134.     "0x0E (Undefined)",

  135.     "0x0F (Undefined)",

  136.     "0x10 General Purpose 1",

  137.     "0x11 General Purpose 2",

  138.     "0x12 General Purpose 3",

  139.     "0x13 General Purpose 4",

  140.     "0x14 (Undefined)",

  141.     "0x15 (Undefined)",

  142.     "0x16 (Undefined)",

  143.     "0x17 (Undefined)",

  144.     "0x18 (Undefined)",

  145.     "0x19 (Undefined)",

  146.     "0x1A (Undefined)",

  147.     "0x1B (Undefined)",

  148.     "0x1C (Undefined)",

  149.     "0x1D (Undefined)",

  150.     "0x1E (Undefined)",

  151.     "0x1F (Undefined)",

  152.     "0x46 Control 1 [Variation]",

  153.     "0x47 Control 2 [Timbre]",

  154.     "0x48 Control 3 [Release]",

  155.     "0x49 Control 4 [Attack]",

  156.     "0x4A Control 5 [Brightness]",

  157.     "0x4B Control 6 [Decay]",

  158.     "0x4C Control 7 [Vib Rate]",

  159.     "0x4D Control 8 [Vib Depth]",

  160.     "0x4E Control 9 [Vib Delay]",

  161.     "0x4F Control 10 [Undefined]",

  162.     "0x50 General Purpose 5",

  163.     "0x51 General Purpose 6",

  164.     "0x52 General Purpose 7",

  165.     "0x53 General Purpose 8",

  166.     "0x54 Portamento Control",

  167.     "0x5B FX 1 Depth [Reverb]",

  168.     "0x5C FX 2 Depth [Tremolo]",

  169.     "0x5D FX 3 Depth [Chorus]",

  170.     "0x5E FX 4 Depth [Detune]",

  171.     "0x5F FX 5 Depth [Phaser]"

  172. )

  173. 

  174. # ------------------------------------------------------------------------------------------------------------

  175. # PatchCanvas defines

  176. 

  177. CANVAS_ANTIALIASING_SMALL = 1

  178. CANVAS_EYECANDY_SMALL     = 1

  179. 

  180. # ------------------------------------------------------------------------------------------------------------

  181. # Carla Settings keys

  182. 

  183. CARLA_KEY_MAIN_PROJECT_FOLDER   = "Main/ProjectFolder"   # str

  184. CARLA_KEY_MAIN_USE_PRO_THEME    = "Main/UseProTheme"     # bool

  185. CARLA_KEY_MAIN_PRO_THEME_COLOR  = "Main/ProThemeColor"   # str

  186. CARLA_KEY_MAIN_REFRESH_INTERVAL = "Main/RefreshInterval" # int

  187. CARLA_KEY_MAIN_CONFIRM_EXIT     = "Main/ConfirmExit"     # bool

  188. CARLA_KEY_MAIN_SHOW_LOGS        = "Main/ShowLogs"        # bool

  189. CARLA_KEY_MAIN_EXPERIMENTAL     = "Main/Experimental"    # bool

  190. 

  191. CARLA_KEY_CANVAS_THEME             = "Canvas/Theme"           # str

  192. CARLA_KEY_CANVAS_SIZE              = "Canvas/Size"            # str "NxN"

  193. CARLA_KEY_CANVAS_USE_BEZIER_LINES  = "Canvas/UseBezierLines"  # bool

  194. CARLA_KEY_CANVAS_AUTO_HIDE_GROUPS  = "Canvas/AutoHideGroups"  # bool

  195. CARLA_KEY_CANVAS_AUTO_SELECT_ITEMS = "Canvas/AutoSelectItems" # bool

  196. CARLA_KEY_CANVAS_EYE_CANDY         = "Canvas/EyeCandy2"       # bool

  197. CARLA_KEY_CANVAS_FANCY_EYE_CANDY   = "Canvas/FancyEyeCandy"   # bool

  198. CARLA_KEY_CANVAS_USE_OPENGL        = "Canvas/UseOpenGL"       # bool

  199. CARLA_KEY_CANVAS_ANTIALIASING      = "Canvas/Antialiasing"    # enum

  200. CARLA_KEY_CANVAS_HQ_ANTIALIASING   = "Canvas/HQAntialiasing"  # bool

  201. CARLA_KEY_CANVAS_INLINE_DISPLAYS   = "Canvas/InlineDisplays"  # bool

  202. CARLA_KEY_CANVAS_FULL_REPAINTS     = "Canvas/FullRepaints"    # bool

  203. 

  204. CARLA_KEY_ENGINE_DRIVER_PREFIX         = "Engine/Driver-"

  205. CARLA_KEY_ENGINE_AUDIO_DRIVER          = "Engine/AudioDriver"         # str

  206. CARLA_KEY_ENGINE_PROCESS_MODE          = "Engine/ProcessMode"         # enum

  207. CARLA_KEY_ENGINE_TRANSPORT_MODE        = "Engine/TransportMode"       # enum

  208. CARLA_KEY_ENGINE_TRANSPORT_EXTRA       = "Engine/TransportExtra"      # str

  209. CARLA_KEY_ENGINE_FORCE_STEREO          = "Engine/ForceStereo"         # bool

  210. CARLA_KEY_ENGINE_PREFER_PLUGIN_BRIDGES = "Engine/PreferPluginBridges" # bool

  211. CARLA_KEY_ENGINE_PREFER_UI_BRIDGES     = "Engine/PreferUiBridges"     # bool

  212. CARLA_KEY_ENGINE_MANAGE_UIS            = "Engine/ManageUIs"           # bool

  213. CARLA_KEY_ENGINE_UIS_ALWAYS_ON_TOP     = "Engine/UIsAlwaysOnTop"      # bool

  214. CARLA_KEY_ENGINE_MAX_PARAMETERS        = "Engine/MaxParameters"       # int

  215. CARLA_KEY_ENGINE_UI_BRIDGES_TIMEOUT    = "Engine/UiBridgesTimeout"    # int

  216. 

  217. CARLA_KEY_OSC_ENABLED          = "OSC/Enabled"

  218. CARLA_KEY_OSC_TCP_PORT_ENABLED = "OSC/TCPEnabled"

  219. CARLA_KEY_OSC_TCP_PORT_NUMBER  = "OSC/TCPNumber"

  220. CARLA_KEY_OSC_TCP_PORT_RANDOM  = "OSC/TCPRandom"

  221. CARLA_KEY_OSC_UDP_PORT_ENABLED = "OSC/UDPEnabled"

  222. CARLA_KEY_OSC_UDP_PORT_NUMBER  = "OSC/UDPNumber"

  223. CARLA_KEY_OSC_UDP_PORT_RANDOM  = "OSC/UDPRandom"

  224. 

  225. CARLA_KEY_PATHS_LADSPA = "Paths/LADSPA"

  226. CARLA_KEY_PATHS_DSSI   = "Paths/DSSI"

  227. CARLA_KEY_PATHS_LV2    = "Paths/LV2"

  228. CARLA_KEY_PATHS_VST2   = "Paths/VST2"

  229. CARLA_KEY_PATHS_VST3   = "Paths/VST3"

  230. CARLA_KEY_PATHS_SF2    = "Paths/SF2"

  231. CARLA_KEY_PATHS_SFZ    = "Paths/SFZ"

  232. 

  233. CARLA_KEY_WINE_EXECUTABLE      = "Wine/Executable"     # str

  234. CARLA_KEY_WINE_AUTO_PREFIX     = "Wine/AutoPrefix"     # bool

  235. CARLA_KEY_WINE_FALLBACK_PREFIX = "Wine/FallbackPrefix" # str

  236. CARLA_KEY_WINE_RT_PRIO_ENABLED = "Wine/RtPrioEnabled"  # bool

  237. CARLA_KEY_WINE_BASE_RT_PRIO    = "Wine/BaseRtPrio"     # int

  238. CARLA_KEY_WINE_SERVER_RT_PRIO  = "Wine/ServerRtPrio"   # int

  239. 

  240. CARLA_KEY_EXPERIMENTAL_PLUGIN_BRIDGES        = "Experimental/PluginBridges"       # bool

  241. CARLA_KEY_EXPERIMENTAL_WINE_BRIDGES          = "Experimental/WineBridges"         # bool

  242. CARLA_KEY_EXPERIMENTAL_JACK_APPS             = "Experimental/JackApplications"    # bool

  243. CARLA_KEY_EXPERIMENTAL_EXPORT_LV2            = "Experimental/ExportLV2"           # bool

  244. CARLA_KEY_EXPERIMENTAL_PREVENT_BAD_BEHAVIOUR = "Experimental/PreventBadBehaviour" # bool

  245. CARLA_KEY_EXPERIMENTAL_LOAD_LIB_GLOBAL       = "Experimental/LoadLibGlobal"       # bool

  246. 

  247. # if pro theme is on and color is black

  248. CARLA_KEY_CUSTOM_PAINTING = "UseCustomPainting" # bool

  249. 

  250. # ------------------------------------------------------------------------------------------------------------

  251. # Carla Settings defaults

  252. 

  253. # Main

  254. CARLA_DEFAULT_MAIN_PROJECT_FOLDER   = HOME

  255. CARLA_DEFAULT_MAIN_USE_PRO_THEME    = True

  256. CARLA_DEFAULT_MAIN_PRO_THEME_COLOR  = "Black"

  257. CARLA_DEFAULT_MAIN_REFRESH_INTERVAL = 20

  258. CARLA_DEFAULT_MAIN_CONFIRM_EXIT     = True

  259. CARLA_DEFAULT_MAIN_SHOW_LOGS        = bool(not WINDOWS)

  260. CARLA_DEFAULT_MAIN_EXPERIMENTAL     = False

  261. 

  262. # Canvas

  263. CARLA_DEFAULT_CANVAS_THEME             = "Modern Dark"

  264. CARLA_DEFAULT_CANVAS_SIZE              = "3100x2400"

  265. CARLA_DEFAULT_CANVAS_SIZE_WIDTH        = 3100

  266. CARLA_DEFAULT_CANVAS_SIZE_HEIGHT       = 2400

  267. CARLA_DEFAULT_CANVAS_USE_BEZIER_LINES  = True

  268. CARLA_DEFAULT_CANVAS_AUTO_HIDE_GROUPS  = True

  269. CARLA_DEFAULT_CANVAS_AUTO_SELECT_ITEMS = False

  270. CARLA_DEFAULT_CANVAS_EYE_CANDY         = True

  271. CARLA_DEFAULT_CANVAS_FANCY_EYE_CANDY   = False

  272. CARLA_DEFAULT_CANVAS_USE_OPENGL        = False

  273. CARLA_DEFAULT_CANVAS_ANTIALIASING      = CANVAS_ANTIALIASING_SMALL

  274. CARLA_DEFAULT_CANVAS_HQ_ANTIALIASING   = False

  275. CARLA_DEFAULT_CANVAS_INLINE_DISPLAYS   = False

  276. CARLA_DEFAULT_CANVAS_FULL_REPAINTS     = False

  277. 

  278. # Engine

  279. CARLA_DEFAULT_FORCE_STEREO          = False

  280. CARLA_DEFAULT_PREFER_PLUGIN_BRIDGES = False

  281. CARLA_DEFAULT_PREFER_UI_BRIDGES     = True

  282. CARLA_DEFAULT_MANAGE_UIS            = True

  283. CARLA_DEFAULT_UIS_ALWAYS_ON_TOP     = False

  284. CARLA_DEFAULT_MAX_PARAMETERS        = MAX_DEFAULT_PARAMETERS

  285. CARLA_DEFAULT_UI_BRIDGES_TIMEOUT    = 4000

  286. 

  287. CARLA_DEFAULT_AUDIO_BUFFER_SIZE     = 512

  288. CARLA_DEFAULT_AUDIO_SAMPLE_RATE     = 44100

  289. CARLA_DEFAULT_AUDIO_TRIPLE_BUFFER   = False

  290. 

  291. if WINDOWS:

  292.     CARLA_DEFAULT_AUDIO_DRIVER = "DirectSound"

  293. elif MACOS:

  294.     CARLA_DEFAULT_AUDIO_DRIVER = "CoreAudio"

  295. elif os.path.exists("/usr/bin/jackd") or os.path.exists("/usr/bin/jackdbus"):

  296.     CARLA_DEFAULT_AUDIO_DRIVER = "JACK"

  297. else:

  298.     CARLA_DEFAULT_AUDIO_DRIVER = "PulseAudio"

  299. 

  300. if CARLA_DEFAULT_AUDIO_DRIVER == "JACK":

  301.     CARLA_DEFAULT_PROCESS_MODE   = ENGINE_PROCESS_MODE_MULTIPLE_CLIENTS

  302.     CARLA_DEFAULT_TRANSPORT_MODE = ENGINE_TRANSPORT_MODE_JACK

  303. else:

  304.     CARLA_DEFAULT_PROCESS_MODE   = ENGINE_PROCESS_MODE_PATCHBAY

  305.     CARLA_DEFAULT_TRANSPORT_MODE = ENGINE_TRANSPORT_MODE_INTERNAL

  306.     

  307. # OSC

  308. CARLA_DEFAULT_OSC_ENABLED = not WINDOWS

  309. CARLA_DEFAULT_OSC_TCP_PORT_ENABLED = True

  310. CARLA_DEFAULT_OSC_TCP_PORT_NUMBER  = 22752

  311. CARLA_DEFAULT_OSC_TCP_PORT_RANDOM  = False

  312. CARLA_DEFAULT_OSC_UDP_PORT_ENABLED = True

  313. CARLA_DEFAULT_OSC_UDP_PORT_NUMBER  = 22752

  314. CARLA_DEFAULT_OSC_UDP_PORT_RANDOM  = False

  315. 

  316. # Wine

  317. CARLA_DEFAULT_WINE_EXECUTABLE      = "wine"

  318. CARLA_DEFAULT_WINE_AUTO_PREFIX     = True

  319. CARLA_DEFAULT_WINE_FALLBACK_PREFIX = os.path.expanduser("~/.wine")

  320. CARLA_DEFAULT_WINE_RT_PRIO_ENABLED = True

  321. CARLA_DEFAULT_WINE_BASE_RT_PRIO    = 15

  322. CARLA_DEFAULT_WINE_SERVER_RT_PRIO  = 10

  323. 

  324. # Experimental

  325. CARLA_DEFAULT_EXPERIMENTAL_PLUGIN_BRIDGES        = False

  326. CARLA_DEFAULT_EXPERIMENTAL_WINE_BRIDGES          = False

  327. CARLA_DEFAULT_EXPERIMENTAL_JACK_APPS             = False

  328. CARLA_DEFAULT_EXPERIMENTAL_LV2_EXPORT            = False

  329. CARLA_DEFAULT_EXPERIMENTAL_PREVENT_BAD_BEHAVIOUR = False

  330. CARLA_DEFAULT_EXPERIMENTAL_LOAD_LIB_GLOBAL       = False

  331. 

  332. # ------------------------------------------------------------------------------------------------------------

  333. # Default Plugin Folders (get)

  334. 

  335. DEFAULT_LADSPA_PATH = ""

  336. DEFAULT_DSSI_PATH   = ""

  337. DEFAULT_LV2_PATH    = ""

  338. DEFAULT_VST2_PATH   = ""

  339. DEFAULT_VST3_PATH   = ""

  340. DEFAULT_SF2_PATH    = ""

  341. DEFAULT_SFZ_PATH    = ""

  342. 

  343. if WINDOWS:

  344.     splitter = ";"

  345. 

  346.     APPDATA = os.getenv("APPDATA")

  347.     PROGRAMFILES = os.getenv("PROGRAMFILES")

  348.     PROGRAMFILESx86 = os.getenv("PROGRAMFILES(x86)")

  349.     COMMONPROGRAMFILES = os.getenv("COMMONPROGRAMFILES")

  350.     COMMONPROGRAMFILESx86 = os.getenv("COMMONPROGRAMFILES(x86)")

  351. 

  352.     # Small integrity tests

  353.     if not APPDATA:

  354.         qFatal("APPDATA variable not set, cannot continue")

  355.         sys.exit(1)

  356. 

  357.     if not PROGRAMFILES:

  358.         qFatal("PROGRAMFILES variable not set, cannot continue")

  359.         sys.exit(1)

  360. 

  361.     if not COMMONPROGRAMFILES:

  362.         qFatal("COMMONPROGRAMFILES variable not set, cannot continue")

  363.         sys.exit(1)

  364. 

  365.     DEFAULT_LADSPA_PATH  = APPDATA + "\\LADSPA"

  366.     DEFAULT_LADSPA_PATH += ";" + PROGRAMFILES + "\\LADSPA"

  367. 

  368.     DEFAULT_DSSI_PATH    = APPDATA + "\\DSSI"

  369.     DEFAULT_DSSI_PATH   += ";" + PROGRAMFILES + "\\DSSI"

  370. 

  371.     DEFAULT_LV2_PATH     = APPDATA + "\\LV2"

  372.     DEFAULT_LV2_PATH    += ";" + COMMONPROGRAMFILES + "\\LV2"

  373. 

  374.     DEFAULT_VST2_PATH    = PROGRAMFILES + "\\VstPlugins"

  375.     DEFAULT_VST2_PATH   += ";" + PROGRAMFILES + "\\Steinberg\\VstPlugins"

  376. 

  377.     if kIs64bit:

  378.         DEFAULT_VST2_PATH  += ";" + COMMONPROGRAMFILES + "\\VST2"

  379. 

  380.     DEFAULT_VST3_PATH    = COMMONPROGRAMFILES + "\\VST3"

  381. 

  382.     DEFAULT_SF2_PATH     = APPDATA + "\\SF2"

  383.     DEFAULT_SFZ_PATH     = APPDATA + "\\SFZ"

  384. 

  385.     if PROGRAMFILESx86:

  386.         DEFAULT_LADSPA_PATH += ";" + PROGRAMFILESx86 + "\\LADSPA"

  387.         DEFAULT_DSSI_PATH   += ";" + PROGRAMFILESx86 + "\\DSSI"

  388.         DEFAULT_VST2_PATH   += ";" + PROGRAMFILESx86 + "\\VstPlugins"

  389.         DEFAULT_VST2_PATH   += ";" + PROGRAMFILESx86 + "\\Steinberg\\VstPlugins"

  390. 

  391.     if COMMONPROGRAMFILESx86:

  392.         DEFAULT_VST3_PATH   += COMMONPROGRAMFILESx86 + "\\VST3"

  393. 

  394. elif HAIKU:

  395.     splitter = ":"

  396. 

  397.     DEFAULT_LADSPA_PATH  = HOME + "/.ladspa"

  398.     DEFAULT_LADSPA_PATH += ":/system/add-ons/media/ladspaplugins"

  399.     DEFAULT_LADSPA_PATH += ":/system/lib/ladspa"

  400. 

  401.     DEFAULT_DSSI_PATH    = HOME + "/.dssi"

  402.     DEFAULT_DSSI_PATH   += ":/system/add-ons/media/dssiplugins"

  403.     DEFAULT_DSSI_PATH   += ":/system/lib/dssi"

  404. 

  405.     DEFAULT_LV2_PATH     = HOME + "/.lv2"

  406.     DEFAULT_LV2_PATH    += ":/system/add-ons/media/lv2plugins"

  407. 

  408.     DEFAULT_VST2_PATH    = HOME + "/.vst"

  409.     DEFAULT_VST2_PATH   += ":/system/add-ons/media/vstplugins"

  410. 

  411.     DEFAULT_VST3_PATH    = HOME + "/.vst3"

  412.     DEFAULT_VST3_PATH   += ":/system/add-ons/media/vst3plugins"

  413. 

  414. elif MACOS:

  415.     splitter = ":"

  416. 

  417.     DEFAULT_LADSPA_PATH  = HOME + "/Library/Audio/Plug-Ins/LADSPA"

  418.     DEFAULT_LADSPA_PATH += ":/Library/Audio/Plug-Ins/LADSPA"

  419. 

  420.     DEFAULT_DSSI_PATH    = HOME + "/Library/Audio/Plug-Ins/DSSI"

  421.     DEFAULT_DSSI_PATH   += ":/Library/Audio/Plug-Ins/DSSI"

  422. 

  423.     DEFAULT_LV2_PATH     = HOME + "/Library/Audio/Plug-Ins/LV2"

  424.     DEFAULT_LV2_PATH    += ":/Library/Audio/Plug-Ins/LV2"

  425. 

  426.     DEFAULT_VST2_PATH    = HOME + "/Library/Audio/Plug-Ins/VST"

  427.     DEFAULT_VST2_PATH   += ":/Library/Audio/Plug-Ins/VST"

  428. 

  429.     DEFAULT_VST3_PATH    = HOME + "/Library/Audio/Plug-Ins/VST3"

  430.     DEFAULT_VST3_PATH   += ":/Library/Audio/Plug-Ins/VST3"

  431. 

  432. else:

  433.     splitter = ":"

  434. 

  435.     DEFAULT_LADSPA_PATH  = HOME + "/.ladspa"

  436.     DEFAULT_LADSPA_PATH += ":/usr/lib/ladspa"

  437.     DEFAULT_LADSPA_PATH += ":/usr/local/lib/ladspa"

  438. 

  439.     DEFAULT_DSSI_PATH    = HOME + "/.dssi"

  440.     DEFAULT_DSSI_PATH   += ":/usr/lib/dssi"

  441.     DEFAULT_DSSI_PATH   += ":/usr/local/lib/dssi"

  442. 

  443.     DEFAULT_LV2_PATH     = HOME + "/.lv2"

  444.     DEFAULT_LV2_PATH    += ":/usr/lib/lv2"

  445.     DEFAULT_LV2_PATH    += ":/usr/local/lib/lv2"

  446. 

  447.     DEFAULT_VST2_PATH    = HOME + "/.vst"

  448.     DEFAULT_VST2_PATH   += ":/usr/lib/vst"

  449.     DEFAULT_VST2_PATH   += ":/usr/local/lib/vst"

  450. 

  451.     DEFAULT_VST2_PATH   += HOME + "/.lxvst"

  452.     DEFAULT_VST2_PATH   += ":/usr/lib/lxvst"

  453.     DEFAULT_VST2_PATH   += ":/usr/local/lib/lxvst"

  454. 

  455.     DEFAULT_VST3_PATH    = HOME + "/.vst3"

  456.     DEFAULT_VST3_PATH   += ":/usr/lib/vst3"

  457.     DEFAULT_VST3_PATH   += ":/usr/local/lib/vst3"

  458. 

  459.     DEFAULT_SF2_PATH     = HOME + "/.sounds/sf2"

  460.     DEFAULT_SF2_PATH    += ":/usr/share/sounds/sf2"

  461.     DEFAULT_SF2_PATH    += ":/usr/share/soundfonts"

  462. 

  463.     DEFAULT_SFZ_PATH     = HOME + "/.sounds/sfz"

  464.     DEFAULT_SFZ_PATH    += ":/usr/share/sounds/sfz"

  465. 

  466. if not WINDOWS:

  467.     winePrefix = os.getenv("WINEPREFIX")

  468. 

  469.     if not winePrefix:

  470.         winePrefix = HOME + "/.wine"

  471. 

  472.     if os.path.exists(winePrefix):

  473.         DEFAULT_VST2_PATH += ":" + winePrefix + "/drive_c/Program Files/VstPlugins"

  474.         DEFAULT_VST3_PATH += ":" + winePrefix + "/drive_c/Program Files/Common Files/VST3"

  475. 

  476.         if kIs64bit and os.path.exists(winePrefix + "/drive_c/Program Files (x86)"):

  477.             DEFAULT_VST2_PATH += ":" + winePrefix + "/drive_c/Program Files (x86)/VstPlugins"

  478.             DEFAULT_VST3_PATH += ":" + winePrefix + "/drive_c/Program Files (x86)/Common Files/VST3"

  479. 

  480.     del winePrefix

  481. 

  482. # ------------------------------------------------------------------------------------------------------------

  483. # Default Plugin Folders (set)

  484. 

  485. readEnvVars = True

  486. 

  487. if WINDOWS:

  488.     # Check if running Wine. If yes, ignore env vars

  489.     from winreg import ConnectRegistry, OpenKey, CloseKey, HKEY_CURRENT_USER

  490.     reg = ConnectRegistry(None, HKEY_CURRENT_USER)

  491. 

  492.     try:

  493.         key = OpenKey(reg, r"SOFTWARE\Wine")

  494.         CloseKey(key)

  495.         del key

  496.         readEnvVars = False

  497.     except:

  498.         pass

  499. 

  500.     CloseKey(reg)

  501.     del reg

  502. 

  503. if readEnvVars:

  504.     CARLA_DEFAULT_LADSPA_PATH = os.getenv("LADSPA_PATH", DEFAULT_LADSPA_PATH).split(splitter)

  505.     CARLA_DEFAULT_DSSI_PATH   = os.getenv("DSSI_PATH",   DEFAULT_DSSI_PATH).split(splitter)

  506.     CARLA_DEFAULT_LV2_PATH    = os.getenv("LV2_PATH",    DEFAULT_LV2_PATH).split(splitter)

  507.     CARLA_DEFAULT_VST2_PATH   = os.getenv("VST_PATH",    DEFAULT_VST2_PATH).split(splitter)

  508.     CARLA_DEFAULT_VST3_PATH   = os.getenv("VST3_PATH",   DEFAULT_VST3_PATH).split(splitter)

  509.     CARLA_DEFAULT_SF2_PATH    = os.getenv("SF2_PATH",    DEFAULT_SF2_PATH).split(splitter)

  510.     CARLA_DEFAULT_SFZ_PATH    = os.getenv("SFZ_PATH",    DEFAULT_SFZ_PATH).split(splitter)

  511. 

  512. else:

  513.     CARLA_DEFAULT_LADSPA_PATH = DEFAULT_LADSPA_PATH.split(splitter)

  514.     CARLA_DEFAULT_DSSI_PATH   = DEFAULT_DSSI_PATH.split(splitter)

  515.     CARLA_DEFAULT_LV2_PATH    = DEFAULT_LV2_PATH.split(splitter)

  516.     CARLA_DEFAULT_VST2_PATH   = DEFAULT_VST2_PATH.split(splitter)

  517.     CARLA_DEFAULT_VST3_PATH   = DEFAULT_VST3_PATH.split(splitter)

  518.     CARLA_DEFAULT_SF2_PATH    = DEFAULT_SF2_PATH.split(splitter)

  519.     CARLA_DEFAULT_SFZ_PATH    = DEFAULT_SFZ_PATH.split(splitter)

  520. 

  521. # ------------------------------------------------------------------------------------------------------------

  522. # Default Plugin Folders (cleanup)

  523. 

  524. del DEFAULT_LADSPA_PATH

  525. del DEFAULT_DSSI_PATH

  526. del DEFAULT_LV2_PATH

  527. del DEFAULT_VST2_PATH

  528. del DEFAULT_VST3_PATH

  529. del DEFAULT_SF2_PATH

  530. del DEFAULT_SFZ_PATH

  531. 

  532. # ------------------------------------------------------------------------------------------------------------

  533. # Global Carla object

  534. 

  535. class CarlaObject(object):

  536.     __slots__ = [

  537.         'gui',   # Host Window

  538.         'nogui', # Skip UI

  539.         'term',  # Terminated by OS signal

  540.         'utils'  # Utils object

  541.     ]

  542. 

  543. gCarla = CarlaObject()

  544. gCarla.gui   = None

  545. gCarla.nogui = False

  546. gCarla.term  = False

  547. gCarla.utils = None

  548. 

  549. # ------------------------------------------------------------------------------------------------------------

  550. # Set CWD

  551. 

  552. CWD = sys.path[0]

  553. 

  554. if not CWD:

  555.     CWD = os.path.dirname(sys.argv[0])

  556. 

  557. # make it work with cxfreeze

  558. if os.path.isfile(CWD):

  559.     CWD = os.path.dirname(CWD)

  560.     CXFREEZE = True

  561. else:

  562.     CXFREEZE = False

  563. 

  564. # ------------------------------------------------------------------------------------------------------------

  565. # Set DLL_EXTENSION

  566. 

  567. if WINDOWS:

  568.     DLL_EXTENSION = "dll"

  569. elif MACOS:

  570.     DLL_EXTENSION = "dylib"

  571. else:

  572.     DLL_EXTENSION = "so"

  573. 

  574. # ------------------------------------------------------------------------------------------------------------

  575. # Check if a value is a number (float support)

  576. 

  577. def isNumber(value):

  578.     try:

  579.         float(value)

  580.         return True

  581.     except:

  582.         return False

  583. 

  584. # ------------------------------------------------------------------------------------------------------------

  585. # Convert a value to a list

  586. 

  587. def toList(value):

  588.     if value is None:

  589.         return []

  590.     elif not isinstance(value, list):

  591.         return [value]

  592.     else:

  593.         return value

  594. 

  595. # ------------------------------------------------------------------------------------------------------------

  596. # Get Icon from user theme, using our own as backup (Oxygen)

  597. 

  598. def getIcon(icon, size = 16):

  599.     return QIcon.fromTheme(icon, QIcon(":/%ix%i/%s.png" % (size, size, icon)))

  600. 

  601. # ------------------------------------------------------------------------------------------------------------

  602. # Handle some basic command-line arguments shared between all carla variants

  603. 

  604. def handleInitialCommandLineArguments(file):

  605.     initName  = os.path.basename(file) if (file is not None and os.path.dirname(file) in PATH) else sys.argv[0]

  606.     libPrefix = None

  607. 

  608.     for arg in sys.argv[1:]:

  609.         if arg.startswith("--with-appname="):

  610.             initName = os.path.basename(arg.replace("--with-appname=", ""))

  611. 

  612.         elif arg.startswith("--with-libprefix="):

  613.             libPrefix = arg.replace("--with-libprefix=", "")

  614. 

  615.         elif arg == "--gdb":

  616.             pass

  617. 

  618.         elif arg in ("-n", "--n", "-no-gui", "--no-gui", "-nogui", "--nogui"):

  619.             gCarla.nogui = True

  620. 

  621.         elif arg in ("-h", "--h", "-help", "--help"):

  622.             print("Usage: %s [OPTION]... [FILE|URL]" % initName)

  623.             print("")

  624.             print(" where FILE can be a Carla project or preset file to be loaded, or URL if using Carla-Control")

  625.             print("")

  626.             print(" and OPTION can be one or more of the following:")

  627.             print("")

  628.             print("    --gdb    \t Run Carla inside gdb.")

  629.             print(" -n,--no-gui \t Run Carla headless, don't show UI.")

  630.             print("")

  631.             print(" -h,--help   \t Print this help text and exit.")

  632.             print(" -v,--version\t Print version information and exit.")

  633.             print("")

  634. 

  635.             sys.exit(0)

  636. 

  637.         elif arg in ("-v", "--v", "-version", "--version"):

  638.             pathBinaries, pathResources = getPaths(libPrefix)

  639. 

  640.             print("Using Carla version %s" % VERSION)

  641.             print("  Python version: %s" % sys.version.split(" ",1)[0])

  642.             print("  Qt version:     %s" % QT_VERSION_STR)

  643.             print("  PyQt version:   %s" % PYQT_VERSION_STR)

  644.             print("  Binary dir:     %s" % pathBinaries)

  645.             print("  Resources dir:  %s" % pathResources)

  646. 

  647.             sys.exit(0)

  648. 

  649.     return (initName, libPrefix)

  650. 

  651. # ------------------------------------------------------------------------------------------------------------

  652. # Get initial project file (as passed in the command-line parameters)

  653. 

  654. def getInitialProjectFile(app, skipExistCheck = False):

  655.     # FIXME - PyQt mishandles unicode characters, we'll use direct sys.argv for now

  656.     # see https://riverbankcomputing.com/pipermail/pyqt/2015-January/035395.html

  657.     #args = app.arguments()[1:]

  658.     args = sys.argv[1:]

  659.     for arg in args:

  660.         if arg.startswith("--with-appname=") or arg.startswith("--with-libprefix=") or arg == "--gdb":

  661.             continue

  662.         if arg in ("-n", "--n", "-no-gui", "--no-gui", "-nogui", "--nogui"):

  663.             continue

  664.         arg = os.path.expanduser(arg)

  665.         if skipExistCheck or os.path.exists(arg):

  666.             return arg

  667. 

  668.     return None

  669. 

  670. # ------------------------------------------------------------------------------------------------------------

  671. # Get paths (binaries, resources)

  672. 

  673. def getPaths(libPrefix = None):

  674.     CWDl = CWD.lower()

  675. 

  676.     # adjust for special distros

  677.     libdir  = os.path.basename(os.path.normpath(X_LIBDIR_X))  if X_LIBDIR_X  else "lib"

  678.     datadir = os.path.basename(os.path.normpath(X_DATADIR_X)) if X_DATADIR_X else "share"

  679. 

  680.     # standalone, installed system-wide linux

  681.     if libPrefix is not None:

  682.         pathBinaries  = os.path.join(libPrefix, libdir, "carla")

  683.         pathResources = os.path.join(libPrefix, datadir, "carla", "resources")

  684. 

  685.     # standalone, local source

  686.     elif CWDl.endswith("frontend"):

  687.         pathBinaries  = os.path.abspath(os.path.join(CWD, "..", "..", "bin"))

  688.         pathResources = os.path.join(pathBinaries, "resources")

  689. 

  690.     # plugin

  691.     elif CWDl.endswith("resources"):

  692.         # installed system-wide linux

  693.         if CWDl.endswith("/share/carla/resources"):

  694.             pathBinaries  = os.path.abspath(os.path.join(CWD, "..", "..", "..", libdir, "carla"))

  695.             pathResources = CWD

  696. 

  697.         # local source

  698.         elif CWDl.endswith("native-plugins%sresources" % os.sep):

  699.             pathBinaries  = os.path.abspath(os.path.join(CWD, "..", "..", "..", "bin"))

  700.             pathResources = CWD

  701. 

  702.         # other

  703.         else:

  704.             pathBinaries  = os.path.abspath(os.path.join(CWD, ".."))

  705.             pathResources = CWD

  706. 

  707.     # everything else

  708.     else:

  709.         pathBinaries  = CWD

  710.         pathResources = os.path.join(pathBinaries, "resources")

  711. 

  712.     return (pathBinaries, pathResources)

  713. 

  714. # ------------------------------------------------------------------------------------------------------------

  715. # Signal handler

  716. # TODO move to carla_host.py or something

  717. 

  718. def signalHandler(sig, frame):

  719.     if sig in (SIGINT, SIGTERM):

  720.         gCarla.term = True

  721.         if gCarla.gui is not None:

  722.             gCarla.gui.SIGTERM.emit()

  723. 

  724.     elif haveSIGUSR1 and sig == SIGUSR1:

  725.         if gCarla.gui is not None:

  726.             gCarla.gui.SIGUSR1.emit()

  727. 

  728. def setUpSignals():

  729.     signal(SIGINT,  signalHandler)

  730.     signal(SIGTERM, signalHandler)

  731. 

  732.     if not haveSIGUSR1:

  733.         return

  734. 

  735.     signal(SIGUSR1, signalHandler)

  736. 

  737. # ------------------------------------------------------------------------------------------------------------

  738. # QLineEdit and QPushButton combo

  739. 

  740. def getAndSetPath(parent, lineEdit):

  741.     newPath = QFileDialog.getExistingDirectory(parent, parent.tr("Set Path"), lineEdit.text(), QFileDialog.ShowDirsOnly)

  742.     if newPath:

  743.         lineEdit.setText(newPath)

  744.     return newPath

  745. 

  746. # ------------------------------------------------------------------------------------------------------------

  747. # Custom MessageBox

  748. 

  749. class QMessageBoxWithBetterWidth(QMessageBox):

  750.     def __init__(self, parent):

  751.         QMessageBox.__init__(self, parent)

  752. 

  753.     def showEvent(self, event):

  754.         fontMetrics = self.fontMetrics()

  755. 

  756.         lines = self.text().strip().split("\n") + self.informativeText().strip().split("\n")

  757. 

  758.         if len(lines) > 0:

  759.             width = 0

  760. 

  761.             for line in lines:

  762.                 width = max(fontMetrics.width(line), width)

  763. 

  764.             self.layout().setColumnMinimumWidth(2, width + 12)

  765. 

  766.         QMessageBox.showEvent(self, event)

  767. 

  768. def CustomMessageBox(parent, icon, title, text,

  769.                      extraText="",

  770.                      buttons=QMessageBox.Yes|QMessageBox.No,

  771.                      defButton=QMessageBox.No):

  772.     msgBox = QMessageBoxWithBetterWidth(parent)

  773.     msgBox.setIcon(icon)

  774.     msgBox.setWindowTitle(title)

  775.     msgBox.setText(text)

  776.     msgBox.setInformativeText(extraText)

  777.     msgBox.setStandardButtons(buttons)

  778.     msgBox.setDefaultButton(defButton)

  779.     return msgBox.exec_()

  780. 

  781. # ------------------------------------------------------------------------------------------------------------