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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 = "2.0.95 (2.1-beta1)"

  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_AUDIO = "Paths/Audio"

  226. CARLA_KEY_PATHS_MIDI  = "Paths/MIDI"

  227. 

  228. CARLA_KEY_PATHS_LADSPA = "Paths/LADSPA"

  229. CARLA_KEY_PATHS_DSSI   = "Paths/DSSI"

  230. CARLA_KEY_PATHS_LV2    = "Paths/LV2"

  231. CARLA_KEY_PATHS_VST2   = "Paths/VST2"

  232. CARLA_KEY_PATHS_VST3   = "Paths/VST3"

  233. CARLA_KEY_PATHS_SF2    = "Paths/SF2"

  234. CARLA_KEY_PATHS_SFZ    = "Paths/SFZ"

  235. 

  236. CARLA_KEY_WINE_EXECUTABLE      = "Wine/Executable"     # str

  237. CARLA_KEY_WINE_AUTO_PREFIX     = "Wine/AutoPrefix"     # bool

  238. CARLA_KEY_WINE_FALLBACK_PREFIX = "Wine/FallbackPrefix" # str

  239. CARLA_KEY_WINE_RT_PRIO_ENABLED = "Wine/RtPrioEnabled"  # bool

  240. CARLA_KEY_WINE_BASE_RT_PRIO    = "Wine/BaseRtPrio"     # int

  241. CARLA_KEY_WINE_SERVER_RT_PRIO  = "Wine/ServerRtPrio"   # int

  242. 

  243. CARLA_KEY_EXPERIMENTAL_PLUGIN_BRIDGES        = "Experimental/PluginBridges"       # bool

  244. CARLA_KEY_EXPERIMENTAL_WINE_BRIDGES          = "Experimental/WineBridges"         # bool

  245. CARLA_KEY_EXPERIMENTAL_JACK_APPS             = "Experimental/JackApplications"    # bool

  246. CARLA_KEY_EXPERIMENTAL_EXPORT_LV2            = "Experimental/ExportLV2"           # bool

  247. CARLA_KEY_EXPERIMENTAL_PREVENT_BAD_BEHAVIOUR = "Experimental/PreventBadBehaviour" # bool

  248. CARLA_KEY_EXPERIMENTAL_LOAD_LIB_GLOBAL       = "Experimental/LoadLibGlobal"       # bool

  249. 

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

  251. CARLA_KEY_CUSTOM_PAINTING = "UseCustomPainting" # bool

  252. 

  253. # ------------------------------------------------------------------------------------------------------------

  254. # Carla Settings defaults

  255. 

  256. # Main

  257. CARLA_DEFAULT_MAIN_PROJECT_FOLDER   = HOME

  258. CARLA_DEFAULT_MAIN_USE_PRO_THEME    = True

  259. CARLA_DEFAULT_MAIN_PRO_THEME_COLOR  = "Black"

  260. CARLA_DEFAULT_MAIN_REFRESH_INTERVAL = 20

  261. CARLA_DEFAULT_MAIN_CONFIRM_EXIT     = True

  262. CARLA_DEFAULT_MAIN_SHOW_LOGS        = bool(not WINDOWS)

  263. CARLA_DEFAULT_MAIN_EXPERIMENTAL     = False

  264. 

  265. # Canvas

  266. CARLA_DEFAULT_CANVAS_THEME             = "Modern Dark"

  267. CARLA_DEFAULT_CANVAS_SIZE              = "3100x2400"

  268. CARLA_DEFAULT_CANVAS_SIZE_WIDTH        = 3100

  269. CARLA_DEFAULT_CANVAS_SIZE_HEIGHT       = 2400

  270. CARLA_DEFAULT_CANVAS_USE_BEZIER_LINES  = True

  271. CARLA_DEFAULT_CANVAS_AUTO_HIDE_GROUPS  = True

  272. CARLA_DEFAULT_CANVAS_AUTO_SELECT_ITEMS = False

  273. CARLA_DEFAULT_CANVAS_EYE_CANDY         = True

  274. CARLA_DEFAULT_CANVAS_FANCY_EYE_CANDY   = False

  275. CARLA_DEFAULT_CANVAS_USE_OPENGL        = False

  276. CARLA_DEFAULT_CANVAS_ANTIALIASING      = CANVAS_ANTIALIASING_SMALL

  277. CARLA_DEFAULT_CANVAS_HQ_ANTIALIASING   = False

  278. CARLA_DEFAULT_CANVAS_INLINE_DISPLAYS   = False

  279. CARLA_DEFAULT_CANVAS_FULL_REPAINTS     = False

  280. 

  281. # Engine

  282. CARLA_DEFAULT_FORCE_STEREO          = False

  283. CARLA_DEFAULT_PREFER_PLUGIN_BRIDGES = False

  284. CARLA_DEFAULT_PREFER_UI_BRIDGES     = True

  285. CARLA_DEFAULT_MANAGE_UIS            = True

  286. CARLA_DEFAULT_UIS_ALWAYS_ON_TOP     = False

  287. CARLA_DEFAULT_MAX_PARAMETERS        = MAX_DEFAULT_PARAMETERS

  288. CARLA_DEFAULT_UI_BRIDGES_TIMEOUT    = 4000

  289. 

  290. CARLA_DEFAULT_AUDIO_BUFFER_SIZE     = 512

  291. CARLA_DEFAULT_AUDIO_SAMPLE_RATE     = 44100

  292. CARLA_DEFAULT_AUDIO_TRIPLE_BUFFER   = False

  293. 

  294. if WINDOWS:

  295.     CARLA_DEFAULT_AUDIO_DRIVER = "DirectSound"

  296. elif MACOS:

  297.     CARLA_DEFAULT_AUDIO_DRIVER = "CoreAudio"

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

  299.     CARLA_DEFAULT_AUDIO_DRIVER = "JACK"

  300. else:

  301.     CARLA_DEFAULT_AUDIO_DRIVER = "PulseAudio"

  302. 

  303. if CARLA_DEFAULT_AUDIO_DRIVER == "JACK":

  304.     CARLA_DEFAULT_PROCESS_MODE   = ENGINE_PROCESS_MODE_MULTIPLE_CLIENTS

  305.     CARLA_DEFAULT_TRANSPORT_MODE = ENGINE_TRANSPORT_MODE_JACK

  306. else:

  307.     CARLA_DEFAULT_PROCESS_MODE   = ENGINE_PROCESS_MODE_PATCHBAY

  308.     CARLA_DEFAULT_TRANSPORT_MODE = ENGINE_TRANSPORT_MODE_INTERNAL

  309. 

  310. # OSC

  311. CARLA_DEFAULT_OSC_ENABLED = not WINDOWS

  312. CARLA_DEFAULT_OSC_TCP_PORT_ENABLED = True

  313. CARLA_DEFAULT_OSC_TCP_PORT_NUMBER  = 22752

  314. CARLA_DEFAULT_OSC_TCP_PORT_RANDOM  = False

  315. CARLA_DEFAULT_OSC_UDP_PORT_ENABLED = True

  316. CARLA_DEFAULT_OSC_UDP_PORT_NUMBER  = 22752

  317. CARLA_DEFAULT_OSC_UDP_PORT_RANDOM  = False

  318. 

  319. # Wine

  320. CARLA_DEFAULT_WINE_EXECUTABLE      = "wine"

  321. CARLA_DEFAULT_WINE_AUTO_PREFIX     = True

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

  323. CARLA_DEFAULT_WINE_RT_PRIO_ENABLED = True

  324. CARLA_DEFAULT_WINE_BASE_RT_PRIO    = 15

  325. CARLA_DEFAULT_WINE_SERVER_RT_PRIO  = 10

  326. 

  327. # Experimental

  328. CARLA_DEFAULT_EXPERIMENTAL_PLUGIN_BRIDGES        = False

  329. CARLA_DEFAULT_EXPERIMENTAL_WINE_BRIDGES          = False

  330. CARLA_DEFAULT_EXPERIMENTAL_JACK_APPS             = False

  331. CARLA_DEFAULT_EXPERIMENTAL_LV2_EXPORT            = False

  332. CARLA_DEFAULT_EXPERIMENTAL_PREVENT_BAD_BEHAVIOUR = False

  333. CARLA_DEFAULT_EXPERIMENTAL_LOAD_LIB_GLOBAL       = False

  334. 

  335. # ------------------------------------------------------------------------------------------------------------

  336. # Default File Folders

  337. 

  338. CARLA_DEFAULT_FILE_PATH_AUDIO = []

  339. CARLA_DEFAULT_FILE_PATH_MIDI  = []

  340. 

  341. # ------------------------------------------------------------------------------------------------------------

  342. # Default Plugin Folders (get)

  343. 

  344. DEFAULT_LADSPA_PATH = ""

  345. DEFAULT_DSSI_PATH   = ""

  346. DEFAULT_LV2_PATH    = ""

  347. DEFAULT_VST2_PATH   = ""

  348. DEFAULT_VST3_PATH   = ""

  349. DEFAULT_SF2_PATH    = ""

  350. DEFAULT_SFZ_PATH    = ""

  351. 

  352. if WINDOWS:

  353.     splitter = ";"

  354. 

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

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

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

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

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

  360. 

  361.     # Small integrity tests

  362.     if not APPDATA:

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

  364.         sys.exit(1)

  365. 

  366.     if not PROGRAMFILES:

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

  368.         sys.exit(1)

  369. 

  370.     if not COMMONPROGRAMFILES:

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

  372.         sys.exit(1)

  373. 

  374.     DEFAULT_LADSPA_PATH  = APPDATA + "\\LADSPA"

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

  376. 

  377.     DEFAULT_DSSI_PATH    = APPDATA + "\\DSSI"

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

  379. 

  380.     DEFAULT_LV2_PATH     = APPDATA + "\\LV2"

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

  382. 

  383.     DEFAULT_VST2_PATH    = PROGRAMFILES + "\\VstPlugins"

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

  385. 

  386.     if kIs64bit:

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

  388. 

  389.     DEFAULT_VST3_PATH    = COMMONPROGRAMFILES + "\\VST3"

  390. 

  391.     DEFAULT_SF2_PATH     = APPDATA + "\\SF2"

  392.     DEFAULT_SFZ_PATH     = APPDATA + "\\SFZ"

  393. 

  394.     if PROGRAMFILESx86:

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

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

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

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

  399. 

  400.     if COMMONPROGRAMFILESx86:

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

  402. 

  403. elif HAIKU:

  404.     splitter = ":"

  405. 

  406.     DEFAULT_LADSPA_PATH  = HOME + "/.ladspa"

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

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

  409. 

  410.     DEFAULT_DSSI_PATH    = HOME + "/.dssi"

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

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

  413. 

  414.     DEFAULT_LV2_PATH     = HOME + "/.lv2"

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

  416. 

  417.     DEFAULT_VST2_PATH    = HOME + "/.vst"

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

  419. 

  420.     DEFAULT_VST3_PATH    = HOME + "/.vst3"

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

  422. 

  423. elif MACOS:

  424.     splitter = ":"

  425. 

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

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

  428. 

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

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

  431. 

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

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

  434. 

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

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

  437. 

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

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

  440. 

  441. else:

  442.     splitter = ":"

  443. 

  444.     DEFAULT_LADSPA_PATH  = HOME + "/.ladspa"

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

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

  447. 

  448.     DEFAULT_DSSI_PATH    = HOME + "/.dssi"

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

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

  451. 

  452.     DEFAULT_LV2_PATH     = HOME + "/.lv2"

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

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

  455. 

  456.     DEFAULT_VST2_PATH    = HOME + "/.vst"

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

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

  459. 

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

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

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

  463. 

  464.     DEFAULT_VST3_PATH    = HOME + "/.vst3"

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

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

  467. 

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

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

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

  471. 

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

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

  474. 

  475. if not WINDOWS:

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

  477. 

  478.     if not winePrefix:

  479.         winePrefix = HOME + "/.wine"

  480. 

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

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

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

  484. 

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

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

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

  488. 

  489.     del winePrefix

  490. 

  491. # ------------------------------------------------------------------------------------------------------------

  492. # Default Plugin Folders (set)

  493. 

  494. readEnvVars = True

  495. 

  496. if WINDOWS:

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

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

  499.     reg = ConnectRegistry(None, HKEY_CURRENT_USER)

  500. 

  501.     try:

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

  503.         CloseKey(key)

  504.         del key

  505.         readEnvVars = False

  506.     except:

  507.         pass

  508. 

  509.     CloseKey(reg)

  510.     del reg

  511. 

  512. if readEnvVars:

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

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

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

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

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

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

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

  520. 

  521. else:

  522.     CARLA_DEFAULT_LADSPA_PATH = DEFAULT_LADSPA_PATH.split(splitter)

  523.     CARLA_DEFAULT_DSSI_PATH   = DEFAULT_DSSI_PATH.split(splitter)

  524.     CARLA_DEFAULT_LV2_PATH    = DEFAULT_LV2_PATH.split(splitter)

  525.     CARLA_DEFAULT_VST2_PATH   = DEFAULT_VST2_PATH.split(splitter)

  526.     CARLA_DEFAULT_VST3_PATH   = DEFAULT_VST3_PATH.split(splitter)

  527.     CARLA_DEFAULT_SF2_PATH    = DEFAULT_SF2_PATH.split(splitter)

  528.     CARLA_DEFAULT_SFZ_PATH    = DEFAULT_SFZ_PATH.split(splitter)

  529. 

  530. # ------------------------------------------------------------------------------------------------------------

  531. # Default Plugin Folders (cleanup)

  532. 

  533. del DEFAULT_LADSPA_PATH

  534. del DEFAULT_DSSI_PATH

  535. del DEFAULT_LV2_PATH

  536. del DEFAULT_VST2_PATH

  537. del DEFAULT_VST3_PATH

  538. del DEFAULT_SF2_PATH

  539. del DEFAULT_SFZ_PATH

  540. 

  541. # ------------------------------------------------------------------------------------------------------------

  542. # Global Carla object

  543. 

  544. class CarlaObject(object):

  545.     __slots__ = [

  546.         'gui',   # Host Window

  547.         'nogui', # Skip UI

  548.         'term',  # Terminated by OS signal

  549.         'utils'  # Utils object

  550.     ]

  551. 

  552. gCarla = CarlaObject()

  553. gCarla.gui   = None

  554. gCarla.nogui = False

  555. gCarla.term  = False

  556. gCarla.utils = None

  557. 

  558. # ------------------------------------------------------------------------------------------------------------

  559. # Set CWD

  560. 

  561. CWD = sys.path[0]

  562. 

  563. if not CWD:

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

  565. 

  566. # make it work with cxfreeze

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

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

  569.     CXFREEZE = True

  570. else:

  571.     CXFREEZE = False

  572. 

  573. # ------------------------------------------------------------------------------------------------------------

  574. # Set DLL_EXTENSION

  575. 

  576. if WINDOWS:

  577.     DLL_EXTENSION = "dll"

  578. elif MACOS:

  579.     DLL_EXTENSION = "dylib"

  580. else:

  581.     DLL_EXTENSION = "so"

  582. 

  583. # ------------------------------------------------------------------------------------------------------------

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

  585. 

  586. def isNumber(value):

  587.     try:

  588.         float(value)

  589.         return True

  590.     except:

  591.         return False

  592. 

  593. # ------------------------------------------------------------------------------------------------------------

  594. # Convert a value to a list

  595. 

  596. def toList(value):

  597.     if value is None:

  598.         return []

  599.     elif not isinstance(value, list):

  600.         return [value]

  601.     else:

  602.         return value

  603. 

  604. # ------------------------------------------------------------------------------------------------------------

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

  606. 

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

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

  609. 

  610. # ------------------------------------------------------------------------------------------------------------

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

  612. 

  613. def handleInitialCommandLineArguments(file):

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

  615.     libPrefix = None

  616. 

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

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

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

  620. 

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

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

  623. 

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

  625.             pass

  626. 

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

  628.             gCarla.nogui = True

  629. 

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

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

  632.             print("")

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

  634.             print("")

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

  636.             print("")

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

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

  639.             print("")

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

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

  642.             print("")

  643. 

  644.             sys.exit(0)

  645. 

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

  647.             pathBinaries, pathResources = getPaths(libPrefix)

  648. 

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

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

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

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

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

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

  655. 

  656.             sys.exit(0)

  657. 

  658.     return (initName, libPrefix)

  659. 

  660. # ------------------------------------------------------------------------------------------------------------

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

  662. 

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

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

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

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

  667.     args = sys.argv[1:]

  668.     for arg in args:

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

  670.             continue

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

  672.             continue

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

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

  675.             return arg

  676. 

  677.     return None

  678. 

  679. # ------------------------------------------------------------------------------------------------------------

  680. # Get paths (binaries, resources)

  681. 

  682. def getPaths(libPrefix = None):

  683.     CWDl = CWD.lower()

  684. 

  685.     # adjust for special distros

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

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

  688. 

  689.     # standalone, installed system-wide linux

  690.     if libPrefix is not None:

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

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

  693. 

  694.     # standalone, local source

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

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

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

  698. 

  699.     # plugin

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

  701.         # installed system-wide linux

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

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

  704.             pathResources = CWD

  705. 

  706.         # local source

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

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

  709.             pathResources = CWD

  710. 

  711.         # other

  712.         else:

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

  714.             pathResources = CWD

  715. 

  716.     # everything else

  717.     else:

  718.         pathBinaries  = CWD

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

  720. 

  721.     return (pathBinaries, pathResources)

  722. 

  723. # ------------------------------------------------------------------------------------------------------------

  724. # Signal handler

  725. # TODO move to carla_host.py or something

  726. 

  727. def signalHandler(sig, frame):

  728.     if sig in (SIGINT, SIGTERM):

  729.         gCarla.term = True

  730.         if gCarla.gui is not None:

  731.             gCarla.gui.SIGTERM.emit()

  732. 

  733.     elif haveSIGUSR1 and sig == SIGUSR1:

  734.         if gCarla.gui is not None:

  735.             gCarla.gui.SIGUSR1.emit()

  736. 

  737. def setUpSignals():

  738.     signal(SIGINT,  signalHandler)

  739.     signal(SIGTERM, signalHandler)

  740. 

  741.     if not haveSIGUSR1:

  742.         return

  743. 

  744.     signal(SIGUSR1, signalHandler)

  745. 

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

  747. # QLineEdit and QPushButton combo

  748. 

  749. def getAndSetPath(parent, lineEdit):

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

  751.     if newPath:

  752.         lineEdit.setText(newPath)

  753.     return newPath

  754. 

  755. # ------------------------------------------------------------------------------------------------------------

  756. # Custom MessageBox

  757. 

  758. class QMessageBoxWithBetterWidth(QMessageBox):

  759.     def __init__(self, parent):

  760.         QMessageBox.__init__(self, parent)

  761. 

  762.     def showEvent(self, event):

  763.         fontMetrics = self.fontMetrics()

  764. 

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

  766. 

  767.         if len(lines) > 0:

  768.             width = 0

  769. 

  770.             for line in lines:

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

  772. 

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

  774. 

  775.         QMessageBox.showEvent(self, event)

  776. 

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

  778.                      extraText="",

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

  780.                      defButton=QMessageBox.No):

  781.     msgBox = QMessageBoxWithBetterWidth(parent)

  782.     msgBox.setIcon(icon)

  783.     msgBox.setWindowTitle(title)

  784.     msgBox.setText(text)

  785.     msgBox.setInformativeText(extraText)

  786.     msgBox.setStandardButtons(buttons)

  787.     msgBox.setDefaultButton(defButton)

  788.     return msgBox.exec_()

  789. 

  790. # ------------------------------------------------------------------------------------------------------------