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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) 2011-2020 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 math import fmod

  33. 

  34. from PyQt5.Qt import PYQT_VERSION_STR

  35. from PyQt5.QtCore import qFatal, QT_VERSION, QT_VERSION_STR, qWarning, QDir, QSettings

  36. from PyQt5.QtGui import QIcon

  37. from PyQt5.QtWidgets import QFileDialog, QMessageBox

  38. 

  39. # ------------------------------------------------------------------------------------------------------------

  40. # Import Signal

  41. 

  42. from signal import signal, SIGINT, SIGTERM

  43. 

  44. try:

  45.     from signal import SIGUSR1

  46.     haveSIGUSR1 = True

  47. except:

  48.     haveSIGUSR1 = False

  49. 

  50. # ------------------------------------------------------------------------------------------------------------

  51. # Imports (Custom)

  52. 

  53. from carla_backend_qt import *

  54. 

  55. # ------------------------------------------------------------------------------------------------------------

  56. # Platform specific stuff

  57. 

  58. if WINDOWS:

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

  60. 

  61. # ------------------------------------------------------------------------------------------------------------

  62. # Set Version

  63. 

  64. VERSION = "2.2.0-beta1"

  65. 

  66. # ------------------------------------------------------------------------------------------------------------

  67. # Set TMP

  68. 

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

  70. 

  71. if envTMP is None:

  72.     if WINDOWS:

  73.         qWarning("TMP variable not set")

  74.     TMP = QDir.tempPath()

  75. else:

  76.     TMP = envTMP

  77. 

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

  79.     qWarning("TMP does not exist")

  80.     TMP = "/"

  81. 

  82. del envTMP

  83. 

  84. # ------------------------------------------------------------------------------------------------------------

  85. # Set HOME

  86. 

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

  88. 

  89. if envHOME is None:

  90.     if LINUX or MACOS:

  91.         qWarning("HOME variable not set")

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

  93. else:

  94.     HOME = envHOME

  95. 

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

  97.     qWarning("HOME does not exist")

  98.     HOME = TMP

  99. 

  100. del envHOME

  101. 

  102. # ------------------------------------------------------------------------------------------------------------

  103. # Set PATH

  104. 

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

  106. 

  107. if envPATH is None:

  108.     qWarning("PATH variable not set")

  109.     if MACOS:

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

  111.     elif WINDOWS:

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

  113.     else:

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

  115. else:

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

  117. 

  118. del envPATH

  119. 

  120. # ------------------------------------------------------------------------------------------------------------

  121. # Static MIDI CC list

  122. 

  123. MIDI_CC_LIST = (

  124.     "01 [0x01] Modulation",

  125.     "02 [0x02] Breath",

  126.     "04 [0x04] Foot",

  127.     "05 [0x05] Portamento",

  128.     "07 [0x07] Volume",

  129.     "02 [0x08] Balance",

  130.     "10 [0x0A] Pan",

  131.     "11 [0x0B] Expression",

  132.     "12 [0x0C] FX Control 1",

  133.     "13 [0x0D] FX Control 2",

  134.     "16 [0x10] General Purpose 1",

  135.     "17 [0x11] General Purpose 2",

  136.     "18 [0x12] General Purpose 3",

  137.     "19 [0x13] General Purpose 4",

  138.     "70 [0x46] Control 1 [Variation]",

  139.     "71 [0x47] Control 2 [Timbre]",

  140.     "72 [0x48] Control 3 [Release]",

  141.     "73 [0x49] Control 4 [Attack]",

  142.     "74 [0x4A] Control 5 [Brightness]",

  143.     "75 [0x4B] Control 6 [Decay]",

  144.     "76 [0x4C] Control 7 [Vib Rate]",

  145.     "77 [0x4D] Control 8 [Vib Depth]",

  146.     "78 [0x4E] Control 9 [Vib Delay]",

  147.     "79 [0x4F] Control 10 [Undefined]",

  148.     "80 [0x50] General Purpose 5",

  149.     "81 [0x51] General Purpose 6",

  150.     "82 [0x52] General Purpose 7",

  151.     "83 [0x53] General Purpose 8",

  152.     "84 [0x54] Portamento Control",

  153.     "91 [0x5B] FX 1 Depth [Reverb]",

  154.     "92 [0x5C] FX 2 Depth [Tremolo]",

  155.     "93 [0x5D] FX 3 Depth [Chorus]",

  156.     "94 [0x5E] FX 4 Depth [Detune]",

  157.     "95 [0x5F] FX 5 Depth [Phaser]"

  158. )

  159. 

  160. MAX_MIDI_CC_LIST_ITEM = 95

  161. 

  162. # ------------------------------------------------------------------------------------------------------------

  163. # PatchCanvas defines

  164. 

  165. CANVAS_ANTIALIASING_SMALL = 1

  166. CANVAS_EYECANDY_SMALL     = 1

  167. 

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

  169. # Carla Settings keys

  170. 

  171. CARLA_KEY_MAIN_PROJECT_FOLDER   = "Main/ProjectFolder"   # str

  172. CARLA_KEY_MAIN_USE_PRO_THEME    = "Main/UseProTheme"     # bool

  173. CARLA_KEY_MAIN_PRO_THEME_COLOR  = "Main/ProThemeColor"   # str

  174. CARLA_KEY_MAIN_REFRESH_INTERVAL = "Main/RefreshInterval" # int

  175. CARLA_KEY_MAIN_CONFIRM_EXIT     = "Main/ConfirmExit"     # bool

  176. CARLA_KEY_MAIN_SHOW_LOGS        = "Main/ShowLogs"        # bool

  177. CARLA_KEY_MAIN_EXPERIMENTAL     = "Main/Experimental"    # bool

  178. 

  179. CARLA_KEY_CANVAS_THEME             = "Canvas/Theme"           # str

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

  181. CARLA_KEY_CANVAS_USE_BEZIER_LINES  = "Canvas/UseBezierLines"  # bool

  182. CARLA_KEY_CANVAS_AUTO_HIDE_GROUPS  = "Canvas/AutoHideGroups"  # bool

  183. CARLA_KEY_CANVAS_AUTO_SELECT_ITEMS = "Canvas/AutoSelectItems" # bool

  184. CARLA_KEY_CANVAS_EYE_CANDY         = "Canvas/EyeCandy2"       # bool

  185. CARLA_KEY_CANVAS_FANCY_EYE_CANDY   = "Canvas/FancyEyeCandy"   # bool

  186. CARLA_KEY_CANVAS_USE_OPENGL        = "Canvas/UseOpenGL"       # bool

  187. CARLA_KEY_CANVAS_ANTIALIASING      = "Canvas/Antialiasing"    # enum

  188. CARLA_KEY_CANVAS_HQ_ANTIALIASING   = "Canvas/HQAntialiasing"  # bool

  189. CARLA_KEY_CANVAS_INLINE_DISPLAYS   = "Canvas/InlineDisplays"  # bool

  190. CARLA_KEY_CANVAS_FULL_REPAINTS     = "Canvas/FullRepaints"    # bool

  191. 

  192. CARLA_KEY_ENGINE_DRIVER_PREFIX         = "Engine/Driver-"

  193. CARLA_KEY_ENGINE_AUDIO_DRIVER          = "Engine/AudioDriver"         # str

  194. CARLA_KEY_ENGINE_PROCESS_MODE          = "Engine/ProcessMode"         # enum

  195. CARLA_KEY_ENGINE_TRANSPORT_MODE        = "Engine/TransportMode"       # enum

  196. CARLA_KEY_ENGINE_TRANSPORT_EXTRA       = "Engine/TransportExtra"      # str

  197. CARLA_KEY_ENGINE_FORCE_STEREO          = "Engine/ForceStereo"         # bool

  198. CARLA_KEY_ENGINE_PREFER_PLUGIN_BRIDGES = "Engine/PreferPluginBridges" # bool

  199. CARLA_KEY_ENGINE_PREFER_UI_BRIDGES     = "Engine/PreferUiBridges"     # bool

  200. CARLA_KEY_ENGINE_MANAGE_UIS            = "Engine/ManageUIs"           # bool

  201. CARLA_KEY_ENGINE_UIS_ALWAYS_ON_TOP     = "Engine/UIsAlwaysOnTop"      # bool

  202. CARLA_KEY_ENGINE_MAX_PARAMETERS        = "Engine/MaxParameters"       # int

  203. CARLA_KEY_ENGINE_RESET_XRUNS           = "Engine/ResetXruns"          # bool

  204. CARLA_KEY_ENGINE_UI_BRIDGES_TIMEOUT    = "Engine/UiBridgesTimeout"    # int

  205. 

  206. CARLA_KEY_OSC_ENABLED          = "OSC/Enabled"

  207. CARLA_KEY_OSC_TCP_PORT_ENABLED = "OSC/TCPEnabled"

  208. CARLA_KEY_OSC_TCP_PORT_NUMBER  = "OSC/TCPNumber"

  209. CARLA_KEY_OSC_TCP_PORT_RANDOM  = "OSC/TCPRandom"

  210. CARLA_KEY_OSC_UDP_PORT_ENABLED = "OSC/UDPEnabled"

  211. CARLA_KEY_OSC_UDP_PORT_NUMBER  = "OSC/UDPNumber"

  212. CARLA_KEY_OSC_UDP_PORT_RANDOM  = "OSC/UDPRandom"

  213. 

  214. CARLA_KEY_PATHS_AUDIO = "Paths/Audio"

  215. CARLA_KEY_PATHS_MIDI  = "Paths/MIDI"

  216. 

  217. CARLA_KEY_PATHS_LADSPA = "Paths/LADSPA"

  218. CARLA_KEY_PATHS_DSSI   = "Paths/DSSI"

  219. CARLA_KEY_PATHS_LV2    = "Paths/LV2"

  220. CARLA_KEY_PATHS_VST2   = "Paths/VST2"

  221. CARLA_KEY_PATHS_VST3   = "Paths/VST3"

  222. CARLA_KEY_PATHS_SF2    = "Paths/SF2"

  223. CARLA_KEY_PATHS_SFZ    = "Paths/SFZ"

  224. 

  225. CARLA_KEY_WINE_EXECUTABLE      = "Wine/Executable"     # str

  226. CARLA_KEY_WINE_AUTO_PREFIX     = "Wine/AutoPrefix"     # bool

  227. CARLA_KEY_WINE_FALLBACK_PREFIX = "Wine/FallbackPrefix" # str

  228. CARLA_KEY_WINE_RT_PRIO_ENABLED = "Wine/RtPrioEnabled"  # bool

  229. CARLA_KEY_WINE_BASE_RT_PRIO    = "Wine/BaseRtPrio"     # int

  230. CARLA_KEY_WINE_SERVER_RT_PRIO  = "Wine/ServerRtPrio"   # int

  231. 

  232. CARLA_KEY_EXPERIMENTAL_PLUGIN_BRIDGES        = "Experimental/PluginBridges"       # bool

  233. CARLA_KEY_EXPERIMENTAL_WINE_BRIDGES          = "Experimental/WineBridges"         # bool

  234. CARLA_KEY_EXPERIMENTAL_JACK_APPS             = "Experimental/JackApplications"    # bool

  235. CARLA_KEY_EXPERIMENTAL_EXPORT_LV2            = "Experimental/ExportLV2"           # bool

  236. CARLA_KEY_EXPERIMENTAL_PREVENT_BAD_BEHAVIOUR = "Experimental/PreventBadBehaviour" # bool

  237. CARLA_KEY_EXPERIMENTAL_LOAD_LIB_GLOBAL       = "Experimental/LoadLibGlobal"       # bool

  238. 

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

  240. CARLA_KEY_CUSTOM_PAINTING = "UseCustomPainting" # bool

  241. 

  242. # ------------------------------------------------------------------------------------------------------------

  243. # Carla Settings defaults

  244. 

  245. # Main

  246. CARLA_DEFAULT_MAIN_PROJECT_FOLDER   = HOME

  247. CARLA_DEFAULT_MAIN_USE_PRO_THEME    = True

  248. CARLA_DEFAULT_MAIN_PRO_THEME_COLOR  = "Black"

  249. CARLA_DEFAULT_MAIN_REFRESH_INTERVAL = 20

  250. CARLA_DEFAULT_MAIN_CONFIRM_EXIT     = True

  251. CARLA_DEFAULT_MAIN_SHOW_LOGS        = bool(not WINDOWS)

  252. CARLA_DEFAULT_MAIN_EXPERIMENTAL     = False

  253. 

  254. # Canvas

  255. CARLA_DEFAULT_CANVAS_THEME             = "Modern Dark"

  256. CARLA_DEFAULT_CANVAS_SIZE              = "3100x2400"

  257. CARLA_DEFAULT_CANVAS_SIZE_WIDTH        = 3100

  258. CARLA_DEFAULT_CANVAS_SIZE_HEIGHT       = 2400

  259. CARLA_DEFAULT_CANVAS_USE_BEZIER_LINES  = True

  260. CARLA_DEFAULT_CANVAS_AUTO_HIDE_GROUPS  = True

  261. CARLA_DEFAULT_CANVAS_AUTO_SELECT_ITEMS = False

  262. CARLA_DEFAULT_CANVAS_EYE_CANDY         = True

  263. CARLA_DEFAULT_CANVAS_FANCY_EYE_CANDY   = False

  264. CARLA_DEFAULT_CANVAS_USE_OPENGL        = False

  265. CARLA_DEFAULT_CANVAS_ANTIALIASING      = CANVAS_ANTIALIASING_SMALL

  266. CARLA_DEFAULT_CANVAS_HQ_ANTIALIASING   = False

  267. CARLA_DEFAULT_CANVAS_INLINE_DISPLAYS   = False

  268. CARLA_DEFAULT_CANVAS_FULL_REPAINTS     = False

  269. 

  270. # Engine

  271. CARLA_DEFAULT_FORCE_STEREO          = False

  272. CARLA_DEFAULT_PREFER_PLUGIN_BRIDGES = False

  273. CARLA_DEFAULT_PREFER_UI_BRIDGES     = True

  274. CARLA_DEFAULT_MANAGE_UIS            = True

  275. CARLA_DEFAULT_UIS_ALWAYS_ON_TOP     = False

  276. CARLA_DEFAULT_MAX_PARAMETERS        = MAX_DEFAULT_PARAMETERS

  277. CARLA_DEFAULT_RESET_XRUNS           = False

  278. CARLA_DEFAULT_UI_BRIDGES_TIMEOUT    = 4000

  279. 

  280. CARLA_DEFAULT_AUDIO_BUFFER_SIZE     = 512

  281. CARLA_DEFAULT_AUDIO_SAMPLE_RATE     = 44100

  282. CARLA_DEFAULT_AUDIO_TRIPLE_BUFFER   = False

  283. 

  284. if WINDOWS:

  285.     CARLA_DEFAULT_AUDIO_DRIVER = "DirectSound"

  286. elif MACOS:

  287.     CARLA_DEFAULT_AUDIO_DRIVER = "CoreAudio"

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

  289.     CARLA_DEFAULT_AUDIO_DRIVER = "JACK"

  290. else:

  291.     CARLA_DEFAULT_AUDIO_DRIVER = "PulseAudio"

  292. 

  293. if CARLA_DEFAULT_AUDIO_DRIVER == "JACK":

  294.     CARLA_DEFAULT_PROCESS_MODE   = ENGINE_PROCESS_MODE_MULTIPLE_CLIENTS

  295.     CARLA_DEFAULT_TRANSPORT_MODE = ENGINE_TRANSPORT_MODE_JACK

  296. else:

  297.     CARLA_DEFAULT_PROCESS_MODE   = ENGINE_PROCESS_MODE_PATCHBAY

  298.     CARLA_DEFAULT_TRANSPORT_MODE = ENGINE_TRANSPORT_MODE_INTERNAL

  299. 

  300. # OSC

  301. CARLA_DEFAULT_OSC_ENABLED = not WINDOWS

  302. CARLA_DEFAULT_OSC_TCP_PORT_ENABLED = True

  303. CARLA_DEFAULT_OSC_TCP_PORT_NUMBER  = 22752

  304. CARLA_DEFAULT_OSC_TCP_PORT_RANDOM  = False

  305. CARLA_DEFAULT_OSC_UDP_PORT_ENABLED = True

  306. CARLA_DEFAULT_OSC_UDP_PORT_NUMBER  = 22752

  307. CARLA_DEFAULT_OSC_UDP_PORT_RANDOM  = False

  308. 

  309. # Wine

  310. CARLA_DEFAULT_WINE_EXECUTABLE      = "wine"

  311. CARLA_DEFAULT_WINE_AUTO_PREFIX     = True

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

  313. CARLA_DEFAULT_WINE_RT_PRIO_ENABLED = True

  314. CARLA_DEFAULT_WINE_BASE_RT_PRIO    = 15

  315. CARLA_DEFAULT_WINE_SERVER_RT_PRIO  = 10

  316. 

  317. # Experimental

  318. CARLA_DEFAULT_EXPERIMENTAL_PLUGIN_BRIDGES        = False

  319. CARLA_DEFAULT_EXPERIMENTAL_WINE_BRIDGES          = False

  320. CARLA_DEFAULT_EXPERIMENTAL_JACK_APPS             = False

  321. CARLA_DEFAULT_EXPERIMENTAL_LV2_EXPORT            = False

  322. CARLA_DEFAULT_EXPERIMENTAL_PREVENT_BAD_BEHAVIOUR = False

  323. CARLA_DEFAULT_EXPERIMENTAL_LOAD_LIB_GLOBAL       = False

  324. 

  325. # ------------------------------------------------------------------------------------------------------------

  326. # Default File Folders

  327. 

  328. CARLA_DEFAULT_FILE_PATH_AUDIO = []

  329. CARLA_DEFAULT_FILE_PATH_MIDI  = []

  330. 

  331. # ------------------------------------------------------------------------------------------------------------

  332. # Default Plugin Folders (get)

  333. 

  334. DEFAULT_LADSPA_PATH = ""

  335. DEFAULT_DSSI_PATH   = ""

  336. DEFAULT_LV2_PATH    = ""

  337. DEFAULT_VST2_PATH   = ""

  338. DEFAULT_VST3_PATH   = ""

  339. DEFAULT_SF2_PATH    = ""

  340. DEFAULT_SFZ_PATH    = ""

  341. 

  342. if WINDOWS:

  343.     splitter = ";"

  344. 

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

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

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

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

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

  350. 

  351.     # Small integrity tests

  352.     if not APPDATA:

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

  354.         sys.exit(1)

  355. 

  356.     if not PROGRAMFILES:

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

  358.         sys.exit(1)

  359. 

  360.     if not COMMONPROGRAMFILES:

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

  362.         sys.exit(1)

  363. 

  364.     DEFAULT_LADSPA_PATH  = APPDATA + "\\LADSPA"

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

  366. 

  367.     DEFAULT_DSSI_PATH    = APPDATA + "\\DSSI"

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

  369. 

  370.     DEFAULT_LV2_PATH     = APPDATA + "\\LV2"

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

  372. 

  373.     DEFAULT_VST2_PATH    = PROGRAMFILES + "\\VstPlugins"

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

  375. 

  376.     if kIs64bit:

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

  378. 

  379.     DEFAULT_VST3_PATH    = COMMONPROGRAMFILES + "\\VST3"

  380. 

  381.     DEFAULT_SF2_PATH     = APPDATA + "\\SF2"

  382.     DEFAULT_SFZ_PATH     = APPDATA + "\\SFZ"

  383. 

  384.     if PROGRAMFILESx86:

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

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

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

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

  389. 

  390.     if COMMONPROGRAMFILESx86:

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

  392. 

  393. elif HAIKU:

  394.     splitter = ":"

  395. 

  396.     DEFAULT_LADSPA_PATH  = HOME + "/.ladspa"

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

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

  399. 

  400.     DEFAULT_DSSI_PATH    = HOME + "/.dssi"

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

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

  403. 

  404.     DEFAULT_LV2_PATH     = HOME + "/.lv2"

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

  406. 

  407.     DEFAULT_VST2_PATH    = HOME + "/.vst"

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

  409. 

  410.     DEFAULT_VST3_PATH    = HOME + "/.vst3"

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

  412. 

  413. elif MACOS:

  414.     splitter = ":"

  415. 

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

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

  418. 

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

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

  421. 

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

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

  424. 

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

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

  427. 

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

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

  430. 

  431. else:

  432.     splitter = ":"

  433. 

  434.     DEFAULT_LADSPA_PATH  = HOME + "/.ladspa"

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

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

  437. 

  438.     DEFAULT_DSSI_PATH    = HOME + "/.dssi"

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

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

  441. 

  442.     DEFAULT_LV2_PATH     = HOME + "/.lv2"

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

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

  445. 

  446.     DEFAULT_VST2_PATH    = HOME + "/.vst"

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

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

  449. 

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

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

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

  453. 

  454.     DEFAULT_VST3_PATH    = HOME + "/.vst3"

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

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

  457. 

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

  459.     DEFAULT_SF2_PATH    += HOME + "/.sounds/sf3"

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

  461.     DEFAULT_SF2_PATH    += ":/usr/share/sounds/sf3"

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

  463. 

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

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

  466. 

  467. if not WINDOWS:

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

  469. 

  470.     if not winePrefix:

  471.         winePrefix = HOME + "/.wine"

  472. 

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

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

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

  476. 

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

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

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

  480. 

  481.     del winePrefix

  482. 

  483. # ------------------------------------------------------------------------------------------------------------

  484. # Default Plugin Folders (set)

  485. 

  486. readEnvVars = True

  487. 

  488. if WINDOWS:

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

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

  491.     reg = ConnectRegistry(None, HKEY_CURRENT_USER)

  492. 

  493.     try:

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

  495.         CloseKey(key)

  496.         del key

  497.         readEnvVars = False

  498.     except:

  499.         pass

  500. 

  501.     CloseKey(reg)

  502.     del reg

  503. 

  504. if readEnvVars:

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

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

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

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

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

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

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

  512. 

  513. else:

  514.     CARLA_DEFAULT_LADSPA_PATH = DEFAULT_LADSPA_PATH.split(splitter)

  515.     CARLA_DEFAULT_DSSI_PATH   = DEFAULT_DSSI_PATH.split(splitter)

  516.     CARLA_DEFAULT_LV2_PATH    = DEFAULT_LV2_PATH.split(splitter)

  517.     CARLA_DEFAULT_VST2_PATH   = DEFAULT_VST2_PATH.split(splitter)

  518.     CARLA_DEFAULT_VST3_PATH   = DEFAULT_VST3_PATH.split(splitter)

  519.     CARLA_DEFAULT_SF2_PATH    = DEFAULT_SF2_PATH.split(splitter)

  520.     CARLA_DEFAULT_SFZ_PATH    = DEFAULT_SFZ_PATH.split(splitter)

  521. 

  522. # ------------------------------------------------------------------------------------------------------------

  523. # Default Plugin Folders (cleanup)

  524. 

  525. del DEFAULT_LADSPA_PATH

  526. del DEFAULT_DSSI_PATH

  527. del DEFAULT_LV2_PATH

  528. del DEFAULT_VST2_PATH

  529. del DEFAULT_VST3_PATH

  530. del DEFAULT_SF2_PATH

  531. del DEFAULT_SFZ_PATH

  532. 

  533. # ------------------------------------------------------------------------------------------------------------

  534. # Global Carla object

  535. 

  536. class CarlaObject(object):

  537.     __slots__ = [

  538.         'gui',   # Host Window

  539.         'nogui', # Skip UI

  540.         'term',  # Terminated by OS signal

  541.         'utils'  # Utils object

  542.     ]

  543. 

  544. gCarla = CarlaObject()

  545. gCarla.gui   = None

  546. gCarla.nogui = False

  547. gCarla.term  = False

  548. gCarla.utils = None

  549. 

  550. # ------------------------------------------------------------------------------------------------------------

  551. # Set CWD

  552. 

  553. CWD = sys.path[0]

  554. 

  555. if not CWD:

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

  557. 

  558. # make it work with cxfreeze

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

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

  561.     CXFREEZE = True

  562. else:

  563.     CXFREEZE = False

  564. 

  565. # ------------------------------------------------------------------------------------------------------------

  566. # Set DLL_EXTENSION

  567. 

  568. if WINDOWS:

  569.     DLL_EXTENSION = "dll"

  570. elif MACOS:

  571.     DLL_EXTENSION = "dylib"

  572. else:

  573.     DLL_EXTENSION = "so"

  574. 

  575. # ------------------------------------------------------------------------------------------------------------

  576. # Find decimal points for a parameter, using step and stepSmall

  577. 

  578. def countDecimalPoints(step, stepSmall):

  579.     if stepSmall >= 1.0:

  580.         return 0

  581.     if step >= 1.0:

  582.         return 2

  583. 

  584.     count = 0

  585.     value = fmod(abs(stepSmall), 1)

  586.     while value > 0.001 and value < 0.99 and count < 6:

  587.         value = fmod(value*10, 1)

  588.         count += 1

  589. 

  590.     return count

  591. 

  592. # ------------------------------------------------------------------------------------------------------------

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

  594. 

  595. def isNumber(value):

  596.     try:

  597.         float(value)

  598.         return True

  599.     except:

  600.         return False

  601. 

  602. # ------------------------------------------------------------------------------------------------------------

  603. # Convert a value to a list

  604. 

  605. def toList(value):

  606.     if value is None:

  607.         return []

  608.     elif not isinstance(value, list):

  609.         return [value]

  610.     else:

  611.         return value

  612. 

  613. # ------------------------------------------------------------------------------------------------------------

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

  615. 

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

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

  618. 

  619. # ------------------------------------------------------------------------------------------------------------

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

  621. 

  622. def handleInitialCommandLineArguments(file):

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

  624.     libPrefix = None

  625. 

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

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

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

  629. 

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

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

  632. 

  633.         elif arg.startswith("--osc-gui="):

  634.             gCarla.nogui = int(arg.replace("--osc-gui=", ""))

  635. 

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

  637.             pass

  638. 

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

  640.             gCarla.nogui = True

  641. 

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

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

  644.             print("")

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

  646.             print("")

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

  648.             print("")

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

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

  651.             print("")

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

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

  654.             print("")

  655. 

  656.             sys.exit(0)

  657. 

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

  659.             pathBinaries, pathResources = getPaths(libPrefix)

  660. 

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

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

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

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

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

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

  667. 

  668.             sys.exit(0)

  669. 

  670.     return (initName, libPrefix)

  671. 

  672. # ------------------------------------------------------------------------------------------------------------

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

  674. 

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

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

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

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

  679.     args = sys.argv[1:]

  680.     for arg in args:

  681.         if arg.startswith("--with-appname=") or arg.startswith("--with-libprefix=") or arg.startswith("--osc-gui="):

  682.             continue

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

  684.             continue

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

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

  687.             return arg

  688. 

  689.     return None

  690. 

  691. # ------------------------------------------------------------------------------------------------------------

  692. # Get paths (binaries, resources)

  693. 

  694. def getPaths(libPrefix = None):

  695.     CWDl = CWD.lower()

  696. 

  697.     # adjust for special distros

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

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

  700. 

  701.     # standalone, installed system-wide linux

  702.     if libPrefix is not None:

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

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

  705. 

  706.     # standalone, local source

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

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

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

  710. 

  711.     # plugin

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

  713.         # installed system-wide linux

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

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

  716.             pathResources = CWD

  717. 

  718.         # local source

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

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

  721.             pathResources = CWD

  722. 

  723.         # other

  724.         else:

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

  726.             pathResources = CWD

  727. 

  728.     # everything else

  729.     else:

  730.         pathBinaries  = CWD

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

  732. 

  733.     return (pathBinaries, pathResources)

  734. 

  735. # ------------------------------------------------------------------------------------------------------------

  736. # Signal handler

  737. # TODO move to carla_host.py or something

  738. 

  739. def signalHandler(sig, frame):

  740.     if sig in (SIGINT, SIGTERM):

  741.         gCarla.term = True

  742.         if gCarla.gui is not None:

  743.             gCarla.gui.SIGTERM.emit()

  744. 

  745.     elif haveSIGUSR1 and sig == SIGUSR1:

  746.         if gCarla.gui is not None:

  747.             gCarla.gui.SIGUSR1.emit()

  748. 

  749. def setUpSignals():

  750.     signal(SIGINT,  signalHandler)

  751.     signal(SIGTERM, signalHandler)

  752. 

  753.     if not haveSIGUSR1:

  754.         return

  755. 

  756.     signal(SIGUSR1, signalHandler)

  757. 

  758. # ------------------------------------------------------------------------------------------------------------

  759. # QLineEdit and QPushButton combo

  760. 

  761. def getAndSetPath(parent, lineEdit):

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

  763.     if newPath:

  764.         lineEdit.setText(newPath)

  765.     return newPath

  766. 

  767. # ------------------------------------------------------------------------------------------------------------

  768. # Backwards-compatible horizontalAdvance/width call, depending on Qt version

  769. 

  770. def fontMetricsHorizontalAdvance(fontMetrics, string):

  771.     if QT_VERSION >= 0x51100:

  772.         return fontMetrics.horizontalAdvance(string)

  773.     return fontMetrics.width(string)

  774. 

  775. # ------------------------------------------------------------------------------------------------------------

  776. # Custom QMessageBox which resizes itself to fit text

  777. 

  778. class QMessageBoxWithBetterWidth(QMessageBox):

  779.     def __init__(self, parent):

  780.         QMessageBox.__init__(self, parent)

  781. 

  782.     def showEvent(self, event):

  783.         fontMetrics = self.fontMetrics()

  784. 

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

  786. 

  787.         if len(lines) > 0:

  788.             width = 0

  789. 

  790.             for line in lines:

  791.                 width = max(fontMetricsHorizontalAdvance(fontMetrics, line), width)

  792. 

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

  794. 

  795.         QMessageBox.showEvent(self, event)

  796. 

  797. # ------------------------------------------------------------------------------------------------------------

  798. # Safer QSettings class, which does not throw if type mismatches

  799. 

  800. class QSafeSettings(QSettings):

  801.     def value(self, key, defaultValue, type):

  802.         if not isinstance(defaultValue, type):

  803.             print("QSafeSettings.value() - defaultValue type mismatch for key", key)

  804. 

  805.         try:

  806.             return QSettings.value(self, key, defaultValue, type)

  807.         except:

  808.             return defaultValue

  809. 

  810. # ------------------------------------------------------------------------------------------------------------

  811. # Custom MessageBox

  812. 

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

  814.                      extraText="",

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

  816.                      defButton=QMessageBox.No):

  817.     msgBox = QMessageBoxWithBetterWidth(parent)

  818.     msgBox.setIcon(icon)

  819.     msgBox.setWindowTitle(title)

  820.     msgBox.setText(text)

  821.     msgBox.setInformativeText(extraText)

  822.     msgBox.setStandardButtons(buttons)

  823.     msgBox.setDefaultButton(defButton)

  824.     return msgBox.exec_()

  825. 

  826. # ------------------------------------------------------------------------------------------------------------