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Carla
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Audio plugin host https://kx.studio/carla
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Carla/source/backend/CarlaStandalone.cpp

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  1. /*

  2.  * Carla Standalone

  3.  * Copyright (C) 2011-2014 Filipe Coelho <falktx@falktx.com>

  4.  *

  5.  * This program is free software; you can redistribute it and/or

  6.  * modify it under the terms of the GNU General Public License as

  7.  * published by the Free Software Foundation; either version 2 of

  8.  * the License, or any later version.

  9.  *

  10.  * This program is distributed in the hope that it will be useful,

  11.  * but WITHOUT ANY WARRANTY; without even the implied warranty of

  12.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

  13.  * GNU General Public License for more details.

  14.  *

  15.  * For a full copy of the GNU General Public License see the doc/GPL.txt file.

  16.  */

  17. 

  18. // TODO:

  19. // Check carla_stderr2("Engine is not running"); <= prepend func name and args

  20. 

  21. #include "CarlaHost.h"

  22. #include "CarlaMIDI.h"

  23. #include "CarlaNative.h"

  24. 

  25. #include "CarlaEngine.hpp"

  26. #include "CarlaPlugin.hpp"

  27. 

  28. #include "CarlaBackendUtils.hpp"

  29. #include "CarlaBase64Utils.hpp"

  30. #include "CarlaOscUtils.hpp"

  31. 

  32. #include "juce_audio_formats.h"

  33. 

  34. #if defined(CARLA_OS_MAC) || defined(CARLA_OS_WIN)

  35. # include "juce_gui_basics.h"

  36. #else

  37. namespace juce {

  38. # include "juce_events/messages/juce_Initialisation.h"

  39. } // namespace juce

  40. #endif

  41. 

  42. namespace CB = CarlaBackend;

  43. using CB::EngineOptions;

  44. 

  45. // -------------------------------------------------------------------------------------------------------------------

  46. // Single, standalone engine

  47. 

  48. struct CarlaBackendStandalone {

  49.     CarlaEngine*       engine;

  50.     EngineCallbackFunc engineCallback;

  51.     void*              engineCallbackPtr;

  52.     EngineOptions      engineOptions;

  53. 

  54.     FileCallbackFunc fileCallback;

  55.     void*            fileCallbackPtr;

  56. 

  57.     CarlaString lastError;

  58. 

  59.     CarlaBackendStandalone()

  60.         : engine(nullptr),

  61.           engineCallback(nullptr),

  62.           engineCallbackPtr(nullptr),

  63.           engineOptions(),

  64.           fileCallback(nullptr),

  65.           fileCallbackPtr(nullptr),

  66.           lastError()

  67.     {

  68. #ifdef BUILD_BRIDGE

  69.         engineOptions.processMode         = CB::ENGINE_PROCESS_MODE_BRIDGE;

  70.         engineOptions.transportMode       = CB::ENGINE_TRANSPORT_MODE_BRIDGE;

  71.         engineOptions.forceStereo         = false;

  72.         engineOptions.preferPluginBridges = false;

  73.         engineOptions.preferUiBridges     = false;

  74. 

  75.         using juce::File;

  76.         File binaryDir(File::getSpecialLocation(File::currentExecutableFile).getParentDirectory());

  77.         engineOptions.binaryDir   = carla_strdup_safe(binaryDir.getFullPathName().toRawUTF8());

  78.         engineOptions.resourceDir = carla_strdup_safe(binaryDir.getChildFile("resources").getFullPathName().toRawUTF8());

  79. #else

  80.         if (std::getenv("LADISH_APP_NAME") == nullptr && std::getenv("NSM_URL") == nullptr)

  81.             juce::Thread::setCurrentThreadName("Carla");

  82. #endif

  83.     }

  84. 

  85.     ~CarlaBackendStandalone()

  86.     {

  87.         CARLA_SAFE_ASSERT(engine == nullptr);

  88.     }

  89. 

  90.     CARLA_PREVENT_HEAP_ALLOCATION

  91.     CARLA_DECLARE_NON_COPY_STRUCT(CarlaBackendStandalone)

  92. };

  93. 

  94. static CarlaBackendStandalone gStandalone;

  95. 

  96. // -------------------------------------------------------------------------------------------------------------------

  97. // NSM support

  98. 

  99. #define NSM_API_VERSION_MAJOR 1

  100. #define NSM_API_VERSION_MINOR 2

  101. 

  102. //#define NSM_CLIENT_FEATURES ":switch:optional-gui:"

  103. #define NSM_CLIENT_FEATURES ":switch:"

  104. 

  105. class CarlaNSM

  106. {

  107. public:

  108.     CarlaNSM() noexcept

  109.         : fOscServer(nullptr),

  110.           fClientId(),

  111.           fProjectPath(),

  112.           fHasBroadcast(false),

  113.           fHasShowHideUI(false) {}

  114. 

  115.     ~CarlaNSM()

  116.     {

  117.         if (fOscServer != nullptr)

  118.         {

  119.             lo_server_del_method(fOscServer, "/reply", "ssss");

  120.             lo_server_del_method(fOscServer, "/nsm/client/open", "sss");

  121.             lo_server_del_method(fOscServer, "/nsm/client/save", "");

  122.             //lo_server_del_method(fOscServer, "/nsm/client/show_optional_gui", "");

  123.             //lo_server_del_method(fOscServer, "/nsm/client/hide_optional_gui", "");

  124.             lo_server_free(fOscServer);

  125.             fOscServer = nullptr;

  126.         }

  127.     }

  128. 

  129.     void announce(const int pid, const char* const initName)

  130.     {

  131.         const char* const NSM_URL(std::getenv("NSM_URL"));

  132. 

  133.         if (NSM_URL == nullptr)

  134.             return;

  135. 

  136.         const lo_address addr = lo_address_new_from_url(NSM_URL);

  137.         CARLA_SAFE_ASSERT_RETURN(addr != nullptr,);

  138. 

  139.         const int proto = lo_address_get_protocol(addr);

  140. 

  141.         if (fOscServer == nullptr)

  142.         {

  143.             // create new OSC server

  144.             fOscServer = lo_server_new_with_proto(nullptr, proto, _error_handler);

  145. 

  146.             // register message handlers and start OSC thread

  147.             lo_server_add_method(fOscServer, "/reply",           "ssss", _reply_handler, this);

  148.             lo_server_add_method(fOscServer, "/nsm/client/open", "sss",  _open_handler,  this);

  149.             lo_server_add_method(fOscServer, "/nsm/client/save", "",     _save_handler,  this);

  150.             //lo_server_add_method(fOscServer, "/nsm/client/show_optional_gui", "", _show_gui_handler, this);

  151.             //lo_server_add_method(fOscServer, "/nsm/client/hide_optional_gui", "", _hide_gui_handler, this);

  152.             // /nsm/client/session_is_loaded

  153.         }

  154. 

  155. #ifndef BUILD_ANSI_TEST

  156.         lo_send_from(addr, fOscServer, LO_TT_IMMEDIATE, "/nsm/server/announce", "sssiii",

  157.                      "Carla", NSM_CLIENT_FEATURES, initName, NSM_API_VERSION_MAJOR, NSM_API_VERSION_MINOR, pid);

  158. #endif

  159. 

  160.         lo_address_free(addr);

  161.     }

  162. 

  163.     void idle() noexcept

  164.     {

  165.         if (fOscServer == nullptr)

  166.             return;

  167. 

  168.         for (;;)

  169.         {

  170.             try {

  171.                 if (lo_server_recv_noblock(fOscServer, 0) == 0)

  172.                     break;

  173.             } CARLA_SAFE_EXCEPTION_CONTINUE("NSM OSC idle")

  174.         }

  175.     }

  176. 

  177. protected:

  178.     int handleReply(const char* const path, const char* const types, lo_arg** const argv, const int argc, const lo_message msg)

  179.     {

  180.         carla_debug("CarlaNSM::handleReply(%s, %i, %p, %s, %p)", path, argc, argv, types, msg);

  181. 

  182.         const char* const method   = &argv[0]->s;

  183.         const char* const message  = &argv[1]->s;

  184.         const char* const smName   = &argv[2]->s;

  185.         const char* const features = &argv[3]->s;

  186. 

  187.         CARLA_SAFE_ASSERT_RETURN(std::strcmp(method, "/nsm/server/announce") == 0, 0);

  188. 

  189.         fHasBroadcast  = std::strstr(features, ":broadcast:") != nullptr;

  190.         fHasShowHideUI = std::strstr(features, ":optional-gui:") != nullptr;

  191. 

  192.         carla_stdout("'%s' started: %s", smName, message);

  193. 

  194.         // TODO: send callback, disable open+save etc

  195. 

  196.         return 0;

  197. 

  198. #ifndef DEBUG

  199.         // unused

  200.         (void)path; (void)types; (void)argc; (void)msg;

  201. #endif

  202.     }

  203. 

  204.     int handleOpen(const char* const path, const char* const types, lo_arg** const argv, const int argc, const lo_message msg)

  205.     {

  206.         CARLA_SAFE_ASSERT_RETURN(fOscServer != nullptr, 0);

  207.         carla_debug("CarlaNSM::handleOpen(\"%s\", \"%s\", %p, %i, %p)", path, types, argv, argc, msg);

  208. 

  209.         const char* const projectPath = &argv[0]->s;

  210.         //const char* const displayName = &argv[1]->s;

  211.         const char* const clientId    = &argv[2]->s;

  212. 

  213.         if (! carla_is_engine_running())

  214.         {

  215.             gStandalone.engineOptions.processMode   = CB::ENGINE_PROCESS_MODE_MULTIPLE_CLIENTS;

  216.             gStandalone.engineOptions.transportMode = CB::ENGINE_TRANSPORT_MODE_JACK;

  217. 

  218.             carla_engine_init("JACK", clientId);

  219.         }

  220.         else

  221.         {

  222.             CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, 0);

  223. 

  224.             for (uint i=0, count=gStandalone.engine->getCurrentPluginCount(); i < count; ++i)

  225.                 gStandalone.engine->removePlugin(i);

  226.         }

  227. 

  228.         fClientId = clientId;

  229. 

  230.         fProjectPath  = projectPath;

  231.         fProjectPath += ".carxp";

  232. 

  233.         CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, 0);

  234. 

  235.         if (juce::File(fProjectPath.buffer()).existsAsFile())

  236.             gStandalone.engine->loadProject(fProjectPath);

  237. 

  238. #ifndef BUILD_ANSI_TEST

  239.         lo_send_from(lo_message_get_source(msg), fOscServer, LO_TT_IMMEDIATE, "/reply", "ss", "/nsm/client/open", "OK");

  240. #endif

  241. 

  242. #if 0

  243.         if (fHasBroadcast)

  244.         {

  245.             char* const url = lo_server_get_url(fOscServer);

  246. 

  247.             lo_send(lo_message_get_source(msg), "/nsm/server/broadcast", "sssss",

  248.                             "/non/hello", url, "Carla", CARLA_VERSION_STRING, clientId);

  249. 

  250.             //lo_send_from(lo_message_get_source(msg), fOscServer, LO_TT_IMMEDIATE, "/nsm/server/broadcast", "sssss"

  251.             //             "/non/hello", url, "Carla", CARLA_VERSION_STRING, clientId);

  252. 

  253.             lo_send(lo_message_get_source(msg), "/signal/created", "ssfff", "/path/somewhere", true ? "in" : "out", 0.0f, 1.0f, 0.5f);

  254. 

  255.             std::free(url);

  256. 

  257.             carla_stdout("Broadcast sent!");

  258.         }

  259.         else

  260.             carla_stdout("Broadcast NOT NOT NOT sent!");

  261. #endif

  262. 

  263.         return 0;

  264. 

  265. #ifndef DEBUG

  266.         // unused

  267.         (void)path; (void)types; (void)argc; (void)msg;

  268. #endif

  269.     }

  270. 

  271.     int handleSave(const char* const path, const char* const types, lo_arg** const argv, const int argc, const lo_message msg)

  272.     {

  273.         CARLA_SAFE_ASSERT_RETURN(fOscServer != nullptr, 0);

  274.         CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, 0);

  275.         CARLA_SAFE_ASSERT_RETURN(fProjectPath.isNotEmpty(), 0);

  276.         carla_debug("CarlaNSM::handleSave(\"%s\", \"%s\", %p, %i, %p)", path, types, argv, argc, msg);

  277. 

  278.         gStandalone.engine->saveProject(fProjectPath);

  279. 

  280. #ifndef BUILD_ANSI_TEST

  281.         lo_send_from(lo_message_get_source(msg), fOscServer, LO_TT_IMMEDIATE, "/reply", "ss", "/nsm/client/save", "OK");

  282. #endif

  283. 

  284.         return 0;

  285. 

  286. #ifndef DEBUG

  287.         // unused

  288.         (void)path; (void)types; (void)argv; (void)argc; (void)msg;

  289. #endif

  290.     }

  291. 

  292. #if 0

  293.     int handleShowHideGui(const lo_message msg, const bool show)

  294.     {

  295.         CARLA_SAFE_ASSERT_RETURN(fOscServer != nullptr, 0);

  296.         CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, 0);

  297.         //CARLA_SAFE_ASSERT_RETURN(gStandalone.frontendWinId != 0, 0);

  298.         carla_debug("CarlaNSM::handleShowHideGui(%s)", bool2str(show));

  299. 

  300. #ifndef BUILD_ANSI_TEST

  301.         lo_send_from(lo_message_get_source(msg), fOscServer, LO_TT_IMMEDIATE, show ? "/nsm/client/gui_is_shown" : "/nsm/client/gui_is_hidden", "");

  302. #endif

  303. 

  304.         return 0;

  305.     }

  306. #endif

  307. 

  308. private:

  309.     lo_server fOscServer;

  310. 

  311.     CarlaString fClientId;

  312.     CarlaString fProjectPath;

  313. 

  314.     bool fHasBroadcast;

  315.     bool fHasShowHideUI;

  316. 

  317.     #define handlePtr ((CarlaNSM*)data)

  318. 

  319.     static void _error_handler(int num, const char* msg, const char* path)

  320.     {

  321.         carla_stderr2("CarlaNSM::_error_handler(%i, \"%s\", \"%s\")", num, msg, path);

  322.     }

  323. 

  324.     static int _reply_handler(const char* path, const char* types, lo_arg** argv, int argc, lo_message msg, void* data)

  325.     {

  326.         return handlePtr->handleReply(path, types, argv, argc, msg);

  327.     }

  328. 

  329.     static int _open_handler(const char* path, const char* types, lo_arg** argv, int argc, lo_message msg, void* data)

  330.     {

  331.         return handlePtr->handleOpen(path, types, argv, argc, msg);

  332.     }

  333. 

  334.     static int _save_handler(const char* path, const char* types, lo_arg** argv, int argc, lo_message msg, void* data)

  335.     {

  336.         return handlePtr->handleSave(path, types, argv, argc, msg);

  337.     }

  338. 

  339. #if 0

  340.     static int _show_gui_handler(const char*, const char*, lo_arg**, int, lo_message, void* data)

  341.     {

  342.         return handlePtr->handleShowHideGui(true);

  343.     }

  344. 

  345.     static int _hide_gui_handler(const char*, const char*, lo_arg**, int, lo_message, void* data)

  346.     {

  347.         return handlePtr->handleShowHideGui(false);

  348.     }

  349. #endif

  350. 

  351.     #undef handlePtr

  352. 

  353.     CARLA_PREVENT_HEAP_ALLOCATION

  354.     CARLA_DECLARE_NON_COPY_CLASS(CarlaNSM)

  355. };

  356. 

  357. static CarlaNSM gNSM;

  358. 

  359. // -------------------------------------------------------------------------------------------------------------------

  360. // Always return a valid string ptr

  361. 

  362. static const char* const gNullCharPtr = "";

  363. 

  364. static void checkStringPtr(const char*& charPtr) noexcept

  365. {

  366.     if (charPtr == nullptr)

  367.         charPtr = gNullCharPtr;

  368. }

  369. 

  370. // -------------------------------------------------------------------------------------------------------------------

  371. // Constructors

  372. 

  373. _CarlaPluginInfo::_CarlaPluginInfo() noexcept

  374.     : type(CB::PLUGIN_NONE),

  375.       category(CB::PLUGIN_CATEGORY_NONE),

  376.       hints(0x0),

  377.       optionsAvailable(0x0),

  378.       optionsEnabled(0x0),

  379.       filename(gNullCharPtr),

  380.       name(gNullCharPtr),

  381.       label(gNullCharPtr),

  382.       maker(gNullCharPtr),

  383.       copyright(gNullCharPtr),

  384.       iconName(gNullCharPtr),

  385.       uniqueId(0) {}

  386. 

  387. _CarlaPluginInfo::~_CarlaPluginInfo() noexcept

  388. {

  389.     if (label != gNullCharPtr)

  390.         delete[] label;

  391.     if (maker != gNullCharPtr)

  392.         delete[] maker;

  393.     if (copyright != gNullCharPtr)

  394.         delete[] copyright;

  395. }

  396. 

  397. _CarlaNativePluginInfo::_CarlaNativePluginInfo() noexcept

  398.     : category(CB::PLUGIN_CATEGORY_NONE),

  399.       hints(0x0),

  400.       audioIns(0),

  401.       audioOuts(0),

  402.       midiIns(0),

  403.       midiOuts(0),

  404.       parameterIns(0),

  405.       parameterOuts(0),

  406.       name(gNullCharPtr),

  407.       label(gNullCharPtr),

  408.       maker(gNullCharPtr),

  409.       copyright(gNullCharPtr) {}

  410. 

  411. _CarlaParameterInfo::_CarlaParameterInfo() noexcept

  412.     : name(gNullCharPtr),

  413.       symbol(gNullCharPtr),

  414.       unit(gNullCharPtr),

  415.       scalePointCount(0) {}

  416. 

  417. _CarlaParameterInfo::~_CarlaParameterInfo() noexcept

  418. {

  419.     if (name != gNullCharPtr)

  420.         delete[] name;

  421.     if (symbol != gNullCharPtr)

  422.         delete[] symbol;

  423.     if (unit != gNullCharPtr)

  424.         delete[] unit;

  425. }

  426. 

  427. _CarlaScalePointInfo::_CarlaScalePointInfo() noexcept

  428.     : value(0.0f),

  429.       label(gNullCharPtr) {}

  430. 

  431. _CarlaScalePointInfo::~_CarlaScalePointInfo() noexcept

  432. {

  433.     if (label != gNullCharPtr)

  434.         delete[] label;

  435. }

  436. 

  437. _CarlaTransportInfo::_CarlaTransportInfo() noexcept

  438.     : playing(false),

  439.       frame(0),

  440.       bar(0),

  441.       beat(0),

  442.       tick(0),

  443.       bpm(0.0) {}

  444. 

  445. // -------------------------------------------------------------------------------------------------------------------

  446. // API

  447. 

  448. const char* carla_get_complete_license_text()

  449. {

  450.     carla_debug("carla_get_complete_license_text()");

  451. 

  452.     static CarlaString retText;

  453. 

  454.     if (retText.isEmpty())

  455.     {

  456.         retText =

  457.         "<p>This current Carla build is using the following features and 3rd-party code:</p>"

  458.         "<ul>"

  459. 

  460.         // Plugin formats

  461.         "<li>LADSPA plugin support</li>"

  462.         "<li>DSSI plugin support</li>"

  463.         "<li>LV2 plugin support</li>"

  464. #ifdef VESTIGE_HEADER

  465.         "<li>VST plugin support using VeSTige header by Javier Serrano Polo</li>"

  466. #else

  467.         "<li>VST plugin support using official VST SDK 2.4 [1]</li>"

  468. #endif

  469. #if defined(CARLA_OS_MAC) || defined(CARLA_OS_WIN)

  470.         "<li>VST3 plugin support using official VST SDK 3.6 [1]</li>"

  471. #endif

  472. #ifdef CARLA_OS_MAC

  473.         "<li>AU plugin support</li>"

  474. #endif

  475. 

  476.         // Sample kit libraries

  477. #ifdef HAVE_FLUIDSYNTH

  478.         "<li>FluidSynth library for SF2 support</li>"

  479. #endif

  480. #ifdef HAVE_LINUXSAMPLER

  481.         "<li>LinuxSampler library for GIG and SFZ support [2]</li>"

  482. #endif

  483. 

  484.         // Internal plugins

  485.         "<li>NekoFilter plugin code based on lv2fil by Nedko Arnaudov and Fons Adriaensen</li>"

  486. #ifdef WANT_ZYNADDSUBFX

  487.         "<li>ZynAddSubFX plugin code</li>"

  488. #endif

  489. 

  490.         // misc libs

  491.         "<li>base64 utilities based on code by Ren\u00E9 Nyffenegger</li>"

  492. #ifdef CARLA_OS_MAC

  493.         "<li>sem_timedwait for Mac OS by Keith Shortridge</li>"

  494. #endif

  495.         "<li>liblo library for OSC support</li>"

  496.         "<li>rtmempool library by Nedko Arnaudov"

  497.         "<li>serd, sord, sratom and lilv libraries for LV2 discovery</li>"

  498. #if ! (defined(CARLA_OS_MAC) || defined(CARLA_OS_WIN))

  499.         "<li>RtAudio and RtMidi libraries for extra Audio and MIDI support</li>"

  500. #endif

  501. 

  502.         // end

  503.         "</ul>"

  504. 

  505.         "<p>"

  506. #if defined(CARLA_OS_MAC) || defined(CARLA_OS_WIN) || ! defined(VESTIGE_HEADER)

  507.         // Required by VST SDK

  508.         "&nbsp;[1] Trademark of Steinberg Media Technologies GmbH.<br/>"

  509. #endif

  510. #ifdef HAVE_LINUXSAMPLER

  511.         // LinuxSampler GPL exception

  512.         "&nbsp;[2] Using LinuxSampler code in commercial hardware or software products is not allowed without prior written authorization by the authors."

  513. #endif

  514.         "</p>"

  515.         ;

  516.     }

  517. 

  518.     return retText;

  519. }

  520. 

  521. const char* carla_get_juce_version()

  522. {

  523.     carla_debug("carla_get_juce_version()");

  524. 

  525.     static CarlaString retVersion;

  526. 

  527.     if (retVersion.isEmpty())

  528.     {

  529.         if (const char* const version = juce::SystemStats::getJUCEVersion().toRawUTF8())

  530.             retVersion = version+6;

  531.         else

  532.             retVersion = "3.0";

  533.     }

  534. 

  535.     return retVersion;

  536. }

  537. 

  538. const char* carla_get_supported_file_extensions()

  539. {

  540.     carla_debug("carla_get_supported_file_extensions()");

  541. 

  542.     static CarlaString retText;

  543. 

  544.     if (retText.isEmpty())

  545.     {

  546.         retText =

  547.         // Base types

  548.         "*.carxp;*.carxs"

  549.         // MIDI files

  550.         ";*.mid;*.midi"

  551. #ifdef HAVE_FLUIDSYNTH

  552.         // fluidsynth (sf2)

  553.         ";*.sf2"

  554. #endif

  555. #ifdef HAVE_LINUXSAMPLER

  556.         // linuxsampler (gig and sfz)

  557.         ";*.gig;*.sfz"

  558. #endif

  559. #ifdef WANT_ZYNADDSUBFX

  560.         // zynaddsubfx presets

  561.         ";*.xmz;*.xiz"

  562. #endif

  563.         ;

  564. 

  565. #ifndef BUILD_BRIDGE

  566.         // Audio files

  567.         {

  568.             using namespace juce;

  569. 

  570.             AudioFormatManager afm;

  571.             afm.registerBasicFormats();

  572. 

  573.             String juceFormats;

  574. 

  575.             for (AudioFormat **it=afm.begin(), **end=afm.end(); it != end; ++it)

  576.             {

  577.                 const StringArray& exts((*it)->getFileExtensions());

  578. 

  579.                 for (String *eit=exts.begin(), *eend=exts.end(); eit != eend; ++eit)

  580.                     juceFormats += String(";*" + (*eit)).toRawUTF8();

  581.             }

  582. 

  583.             retText += juceFormats.toRawUTF8();

  584.         }

  585. #endif

  586.     }

  587. 

  588.     return retText;

  589. }

  590. 

  591. // -------------------------------------------------------------------------------------------------------------------

  592. 

  593. uint carla_get_engine_driver_count()

  594. {

  595.     carla_debug("carla_get_engine_driver_count()");

  596. 

  597.     return CarlaEngine::getDriverCount();

  598. }

  599. 

  600. const char* carla_get_engine_driver_name(uint index)

  601. {

  602.     carla_debug("carla_get_engine_driver_name(%i)", index);

  603. 

  604.     return CarlaEngine::getDriverName(index);

  605. }

  606. 

  607. const char* const* carla_get_engine_driver_device_names(uint index)

  608. {

  609.     carla_debug("carla_get_engine_driver_device_names(%i)", index);

  610. 

  611.     return CarlaEngine::getDriverDeviceNames(index);

  612. }

  613. 

  614. const EngineDriverDeviceInfo* carla_get_engine_driver_device_info(uint index, const char* name)

  615. {

  616.     CARLA_SAFE_ASSERT_RETURN(name != nullptr && name[0] != '\0', nullptr);

  617.     carla_debug("carla_get_engine_driver_device_info(%i, \"%s\")", index, name);

  618. 

  619.     if (const EngineDriverDeviceInfo* const ret = CarlaEngine::getDriverDeviceInfo(index, name))

  620.     {

  621.         static EngineDriverDeviceInfo devInfo;

  622.         static const uint32_t nullBufferSizes[] = { 0   };

  623.         static const double   nullSampleRates[] = { 0.0 };

  624. 

  625.         devInfo.hints       = ret->hints;

  626.         devInfo.bufferSizes = (ret->bufferSizes != nullptr) ? ret->bufferSizes : nullBufferSizes;

  627.         devInfo.sampleRates = (ret->sampleRates != nullptr) ? ret->sampleRates : nullSampleRates;

  628.         return &devInfo;

  629.     }

  630. 

  631.     return nullptr;

  632. }

  633. 

  634. #ifndef BUILD_BRIDGE

  635. // -------------------------------------------------------------------------------------------------------------------

  636. 

  637. uint carla_get_internal_plugin_count()

  638. {

  639.     carla_debug("carla_get_internal_plugin_count()");

  640. 

  641.     return static_cast<uint>(CarlaPlugin::getNativePluginCount());

  642. }

  643. 

  644. const CarlaNativePluginInfo* carla_get_internal_plugin_info(uint index)

  645. {

  646.     carla_debug("carla_get_internal_plugin_info(%i)", index);

  647. 

  648.     static CarlaNativePluginInfo info;

  649. 

  650.     const NativePluginDescriptor* const nativePlugin(CarlaPlugin::getNativePluginDescriptor(index));

  651. 

  652.     // as internal plugin, this must never fail

  653.     CARLA_SAFE_ASSERT_RETURN(nativePlugin != nullptr, nullptr);

  654. 

  655.      info.category = static_cast<CB::PluginCategory>(nativePlugin->category);

  656.      info.hints    = 0x0;

  657. 

  658.      if (nativePlugin->hints & ::PLUGIN_IS_RTSAFE)

  659.          info.hints |= CB::PLUGIN_IS_RTSAFE;

  660.      if (nativePlugin->hints & ::PLUGIN_IS_SYNTH)

  661.          info.hints |= CB::PLUGIN_IS_SYNTH;

  662.      if (nativePlugin->hints & ::PLUGIN_HAS_UI)

  663.          info.hints |= CB::PLUGIN_HAS_CUSTOM_UI;

  664.      if (nativePlugin->hints & ::PLUGIN_NEEDS_FIXED_BUFFERS)

  665.          info.hints |= CB::PLUGIN_NEEDS_FIXED_BUFFERS;

  666.      if (nativePlugin->hints & ::PLUGIN_NEEDS_SINGLE_THREAD)

  667.          info.hints |= CB::PLUGIN_NEEDS_SINGLE_THREAD;

  668. 

  669.      info.audioIns  = nativePlugin->audioIns;

  670.      info.audioOuts = nativePlugin->audioOuts;

  671.      info.midiIns   = nativePlugin->midiIns;

  672.      info.midiOuts  = nativePlugin->midiOuts;

  673.      info.parameterIns  = nativePlugin->paramIns;

  674.      info.parameterOuts = nativePlugin->paramOuts;

  675. 

  676.      info.name      = nativePlugin->name;

  677.      info.label     = nativePlugin->label;

  678.      info.maker     = nativePlugin->maker;

  679.      info.copyright = nativePlugin->copyright;

  680. 

  681.      checkStringPtr(info.name);

  682.      checkStringPtr(info.label);

  683.      checkStringPtr(info.maker);

  684.      checkStringPtr(info.copyright);

  685. 

  686.     return &info;

  687. }

  688. #endif

  689. 

  690. // -------------------------------------------------------------------------------------------------------------------

  691. 

  692. const CarlaEngine* carla_get_engine()

  693. {

  694.     carla_debug("carla_get_engine()");

  695. 

  696.     return gStandalone.engine;

  697. }

  698. 

  699. // -------------------------------------------------------------------------------------------------------------------

  700. 

  701. bool carla_engine_init(const char* driverName, const char* clientName)

  702. {

  703.     CARLA_SAFE_ASSERT_RETURN(driverName != nullptr && driverName[0] != '\0', false);

  704.     CARLA_SAFE_ASSERT_RETURN(clientName != nullptr && clientName[0] != '\0', false);

  705.     carla_debug("carla_engine_init(\"%s\", \"%s\")", driverName, clientName);

  706. 

  707.     if (gStandalone.engine != nullptr)

  708.     {

  709.         carla_stderr2("Engine is already running");

  710.         gStandalone.lastError = "Engine is already running";

  711.         return false;

  712.     }

  713. 

  714. #ifdef CARLA_OS_WIN

  715.     carla_setenv("WINEASIO_CLIENT_NAME", clientName);

  716. #endif

  717. 

  718.     // TODO: make this an option, put somewhere else

  719.     if (std::getenv("WINE_RT") == nullptr)

  720.     {

  721.         carla_setenv("WINE_RT", "15");

  722.         carla_setenv("WINE_SVR_RT", "10");

  723.     }

  724. 

  725.     gStandalone.engine = CarlaEngine::newDriverByName(driverName);

  726. 

  727.     if (gStandalone.engine == nullptr)

  728.     {

  729.         carla_stderr2("The seleted audio driver is not available");

  730.         gStandalone.lastError = "The seleted audio driver is not available";

  731.         return false;

  732.     }

  733. 

  734.     gStandalone.engine->setCallback(gStandalone.engineCallback, gStandalone.engineCallbackPtr);

  735.     gStandalone.engine->setFileCallback(gStandalone.fileCallback, gStandalone.fileCallbackPtr);

  736. 

  737. #ifdef BUILD_BRIDGE

  738.     gStandalone.engine->setOption(CB::ENGINE_OPTION_PROCESS_MODE,          CB::ENGINE_PROCESS_MODE_MULTIPLE_CLIENTS,                     nullptr);

  739.     gStandalone.engine->setOption(CB::ENGINE_OPTION_TRANSPORT_MODE,        CB::ENGINE_TRANSPORT_MODE_JACK,                               nullptr);

  740. #else

  741.     gStandalone.engine->setOption(CB::ENGINE_OPTION_PROCESS_MODE,          static_cast<int>(gStandalone.engineOptions.processMode),      nullptr);

  742.     gStandalone.engine->setOption(CB::ENGINE_OPTION_TRANSPORT_MODE,        static_cast<int>(gStandalone.engineOptions.transportMode),    nullptr);

  743. #endif

  744. 

  745.     gStandalone.engine->setOption(CB::ENGINE_OPTION_FORCE_STEREO,          gStandalone.engineOptions.forceStereo         ? 1 : 0,        nullptr);

  746.     gStandalone.engine->setOption(CB::ENGINE_OPTION_PREFER_PLUGIN_BRIDGES, gStandalone.engineOptions.preferPluginBridges ? 1 : 0,        nullptr);

  747.     gStandalone.engine->setOption(CB::ENGINE_OPTION_PREFER_UI_BRIDGES,     gStandalone.engineOptions.preferUiBridges     ? 1 : 0,        nullptr);

  748.     gStandalone.engine->setOption(CB::ENGINE_OPTION_UIS_ALWAYS_ON_TOP,     gStandalone.engineOptions.uisAlwaysOnTop      ? 1 : 0,        nullptr);

  749.     gStandalone.engine->setOption(CB::ENGINE_OPTION_MAX_PARAMETERS,        static_cast<int>(gStandalone.engineOptions.maxParameters),    nullptr);

  750.     gStandalone.engine->setOption(CB::ENGINE_OPTION_UI_BRIDGES_TIMEOUT,    static_cast<int>(gStandalone.engineOptions.uiBridgesTimeout), nullptr);

  751.     gStandalone.engine->setOption(CB::ENGINE_OPTION_AUDIO_NUM_PERIODS,     static_cast<int>(gStandalone.engineOptions.audioNumPeriods),  nullptr);

  752.     gStandalone.engine->setOption(CB::ENGINE_OPTION_AUDIO_BUFFER_SIZE,     static_cast<int>(gStandalone.engineOptions.audioBufferSize),  nullptr);

  753.     gStandalone.engine->setOption(CB::ENGINE_OPTION_AUDIO_SAMPLE_RATE,     static_cast<int>(gStandalone.engineOptions.audioSampleRate),  nullptr);

  754. 

  755.     if (gStandalone.engineOptions.audioDevice != nullptr)

  756.         gStandalone.engine->setOption(CB::ENGINE_OPTION_AUDIO_DEVICE,   0, gStandalone.engineOptions.audioDevice);

  757. 

  758.     if (gStandalone.engineOptions.pathLADSPA != nullptr)

  759.         gStandalone.engine->setOption(CB::ENGINE_OPTION_PLUGIN_PATH,    CB::PLUGIN_LADSPA, gStandalone.engineOptions.pathLADSPA);

  760. 

  761.     if (gStandalone.engineOptions.pathDSSI != nullptr)

  762.         gStandalone.engine->setOption(CB::ENGINE_OPTION_PLUGIN_PATH,    CB::PLUGIN_DSSI, gStandalone.engineOptions.pathDSSI);

  763. 

  764.     if (gStandalone.engineOptions.pathLV2 != nullptr)

  765.         gStandalone.engine->setOption(CB::ENGINE_OPTION_PLUGIN_PATH,    CB::PLUGIN_LV2, gStandalone.engineOptions.pathLV2);

  766. 

  767.     if (gStandalone.engineOptions.pathVST != nullptr)

  768.         gStandalone.engine->setOption(CB::ENGINE_OPTION_PLUGIN_PATH,    CB::PLUGIN_VST, gStandalone.engineOptions.pathVST);

  769. 

  770.     if (gStandalone.engineOptions.pathVST3 != nullptr)

  771.         gStandalone.engine->setOption(CB::ENGINE_OPTION_PLUGIN_PATH,    CB::PLUGIN_VST3, gStandalone.engineOptions.pathVST3);

  772. 

  773.     if (gStandalone.engineOptions.pathAU != nullptr)

  774.         gStandalone.engine->setOption(CB::ENGINE_OPTION_PLUGIN_PATH,    CB::PLUGIN_AU, gStandalone.engineOptions.pathAU);

  775. 

  776.     if (gStandalone.engineOptions.pathGIG != nullptr)

  777.         gStandalone.engine->setOption(CB::ENGINE_OPTION_PLUGIN_PATH,    CB::PLUGIN_GIG, gStandalone.engineOptions.pathGIG);

  778. 

  779.     if (gStandalone.engineOptions.pathSF2 != nullptr)

  780.         gStandalone.engine->setOption(CB::ENGINE_OPTION_PLUGIN_PATH,    CB::PLUGIN_SF2, gStandalone.engineOptions.pathSF2);

  781. 

  782.     if (gStandalone.engineOptions.pathSFZ != nullptr)

  783.         gStandalone.engine->setOption(CB::ENGINE_OPTION_PLUGIN_PATH,    CB::PLUGIN_SFZ, gStandalone.engineOptions.pathSFZ);

  784. 

  785.     if (gStandalone.engineOptions.binaryDir != nullptr && gStandalone.engineOptions.binaryDir[0] != '\0')

  786.         gStandalone.engine->setOption(CB::ENGINE_OPTION_PATH_BINARIES,  0, gStandalone.engineOptions.binaryDir);

  787. 

  788.     if (gStandalone.engineOptions.resourceDir != nullptr && gStandalone.engineOptions.resourceDir[0] != '\0')

  789.         gStandalone.engine->setOption(CB::ENGINE_OPTION_PATH_RESOURCES, 0, gStandalone.engineOptions.resourceDir);

  790. 

  791.     gStandalone.engine->setOption(CB::ENGINE_OPTION_PREVENT_BAD_BEHAVIOUR, gStandalone.engineOptions.preventBadBehaviour ? 1 : 0,  nullptr);

  792. 

  793.     if (gStandalone.engineOptions.frontendWinId != 0)

  794.     {

  795.         char strBuf[STR_MAX+1];

  796.         strBuf[STR_MAX] = '\0';

  797.         std::snprintf(strBuf, STR_MAX, P_UINTPTR, gStandalone.engineOptions.frontendWinId);

  798.         gStandalone.engine->setOption(CB::ENGINE_OPTION_FRONTEND_WIN_ID, 0, strBuf);

  799.     }

  800.     else

  801.         gStandalone.engine->setOption(CB::ENGINE_OPTION_FRONTEND_WIN_ID, 0, "0");

  802. 

  803.     if (gStandalone.engine->init(clientName))

  804.     {

  805. #ifndef BUILD_BRIDGE

  806.         juce::initialiseJuce_GUI();

  807. #endif

  808.         gStandalone.lastError = "No error";

  809.         return true;

  810.     }

  811.     else

  812.     {

  813.         gStandalone.lastError = gStandalone.engine->getLastError();

  814.         delete gStandalone.engine;

  815.         gStandalone.engine = nullptr;

  816.         return false;

  817.     }

  818. }

  819. 

  820. #ifdef BUILD_BRIDGE

  821. bool carla_engine_init_bridge(const char audioBaseName[6+1], const char rtBaseName[6+1], const char nonRtBaseName[6+1], const char* clientName)

  822. {

  823.     CARLA_SAFE_ASSERT_RETURN(audioBaseName != nullptr && audioBaseName[0] != '\0', false);

  824.     CARLA_SAFE_ASSERT_RETURN(rtBaseName != nullptr && rtBaseName[0] != '\0', false);

  825.     CARLA_SAFE_ASSERT_RETURN(nonRtBaseName != nullptr && nonRtBaseName[0] != '\0', false);

  826.     CARLA_SAFE_ASSERT_RETURN(clientName != nullptr && clientName[0] != '\0', false);

  827.     carla_debug("carla_engine_init_bridge(\"%s\", \"%s\", \"%s\", \"%s\")", audioBaseName, rtBaseName, nonRtBaseName, clientName);

  828. 

  829.     if (gStandalone.engine != nullptr)

  830.     {

  831.         carla_stderr2("Engine is already running");

  832.         gStandalone.lastError = "Engine is already running";

  833.         return false;

  834.     }

  835. 

  836.     gStandalone.engine = CarlaEngine::newBridge(audioBaseName, rtBaseName, nonRtBaseName);

  837. 

  838.     if (gStandalone.engine == nullptr)

  839.     {

  840.         carla_stderr2("The seleted audio driver is not available!");

  841.         gStandalone.lastError = "The seleted audio driver is not available!";

  842.         return false;

  843.     }

  844. 

  845.     gStandalone.engine->setCallback(gStandalone.engineCallback, gStandalone.engineCallbackPtr);

  846.     gStandalone.engine->setFileCallback(gStandalone.fileCallback, gStandalone.fileCallbackPtr);

  847. 

  848.     // forced options for bridge mode

  849.     gStandalone.engine->setOption(CB::ENGINE_OPTION_PROCESS_MODE,          CB::ENGINE_PROCESS_MODE_BRIDGE,   nullptr);

  850.     gStandalone.engine->setOption(CB::ENGINE_OPTION_TRANSPORT_MODE,        CB::ENGINE_TRANSPORT_MODE_BRIDGE, nullptr);

  851.     gStandalone.engine->setOption(CB::ENGINE_OPTION_FORCE_STEREO,          false, nullptr);

  852.     gStandalone.engine->setOption(CB::ENGINE_OPTION_PREFER_PLUGIN_BRIDGES, false, nullptr);

  853.     gStandalone.engine->setOption(CB::ENGINE_OPTION_PREFER_UI_BRIDGES,     false, nullptr);

  854. 

  855.     if (const char* const uisAlwaysOnTop = std::getenv("ENGINE_OPTION_UIS_ALWAYS_ON_TOP"))

  856.         gStandalone.engine->setOption(CB::ENGINE_OPTION_UIS_ALWAYS_ON_TOP, (std::strcmp(uisAlwaysOnTop, "true") == 0) ? 1 : 0, nullptr);

  857. 

  858.     if (const char* const maxParameters = std::getenv("ENGINE_OPTION_MAX_PARAMETERS"))

  859.         gStandalone.engine->setOption(CB::ENGINE_OPTION_MAX_PARAMETERS,     std::atoi(maxParameters), nullptr);

  860. 

  861.     if (const char* const uiBridgesTimeout = std::getenv("ENGINE_OPTION_UI_BRIDGES_TIMEOUT"))

  862.         gStandalone.engine->setOption(CB::ENGINE_OPTION_UI_BRIDGES_TIMEOUT, std::atoi(uiBridgesTimeout), nullptr);

  863. 

  864.     if (const char* const pathLADSPA = std::getenv("ENGINE_OPTION_PLUGIN_PATH_LADSPA"))

  865.         gStandalone.engine->setOption(CB::ENGINE_OPTION_PLUGIN_PATH, CB::PLUGIN_LADSPA, pathLADSPA);

  866. 

  867.     if (const char* const pathDSSI = std::getenv("ENGINE_OPTION_PLUGIN_PATH_DSSI"))

  868.         gStandalone.engine->setOption(CB::ENGINE_OPTION_PLUGIN_PATH, CB::PLUGIN_DSSI, pathDSSI);

  869. 

  870.     if (const char* const pathLV2 = std::getenv("ENGINE_OPTION_PLUGIN_PATH_LV2"))

  871.         gStandalone.engine->setOption(CB::ENGINE_OPTION_PLUGIN_PATH, CB::PLUGIN_LV2, pathLV2);

  872. 

  873.     if (const char* const pathVST = std::getenv("ENGINE_OPTION_PLUGIN_PATH_VST"))

  874.         gStandalone.engine->setOption(CB::ENGINE_OPTION_PLUGIN_PATH, CB::PLUGIN_VST, pathVST);

  875. 

  876.     if (const char* const pathVST3 = std::getenv("ENGINE_OPTION_PLUGIN_PATH_VST3"))

  877.         gStandalone.engine->setOption(CB::ENGINE_OPTION_PLUGIN_PATH, CB::PLUGIN_VST3, pathVST3);

  878. 

  879.     if (const char* const pathAU = std::getenv("ENGINE_OPTION_PLUGIN_PATH_AU"))

  880.         gStandalone.engine->setOption(CB::ENGINE_OPTION_PLUGIN_PATH, CB::PLUGIN_AU, pathAU);

  881. 

  882.     if (const char* const pathGIG = std::getenv("ENGINE_OPTION_PLUGIN_PATH_GIG"))

  883.         gStandalone.engine->setOption(CB::ENGINE_OPTION_PLUGIN_PATH, CB::PLUGIN_GIG, pathGIG);

  884. 

  885.     if (const char* const pathSF2 = std::getenv("ENGINE_OPTION_PLUGIN_PATH_SF2"))

  886.         gStandalone.engine->setOption(CB::ENGINE_OPTION_PLUGIN_PATH, CB::PLUGIN_SF2, pathSF2);

  887. 

  888.     if (const char* const pathSFZ = std::getenv("ENGINE_OPTION_PLUGIN_PATH_SFZ"))

  889.         gStandalone.engine->setOption(CB::ENGINE_OPTION_PLUGIN_PATH, CB::PLUGIN_SFZ, pathSFZ);

  890. 

  891.     if (const char* const binaryDir = std::getenv("ENGINE_OPTION_PATH_BINARIES"))

  892.         gStandalone.engine->setOption(CB::ENGINE_OPTION_PATH_BINARIES,   0, binaryDir);

  893. 

  894.     if (const char* const resourceDir = std::getenv("ENGINE_OPTION_PATH_RESOURCES"))

  895.         gStandalone.engine->setOption(CB::ENGINE_OPTION_PATH_RESOURCES,  0, resourceDir);

  896. 

  897.     if (const char* const preventBadBehaviour = std::getenv("ENGINE_OPTION_PREVENT_BAD_BEHAVIOUR"))

  898.         gStandalone.engine->setOption(CB::ENGINE_OPTION_PREVENT_BAD_BEHAVIOUR, (std::strcmp(preventBadBehaviour, "true") == 0) ? 1 : 0, nullptr);

  899. 

  900.     if (const char* const frontendWinId = std::getenv("ENGINE_OPTION_FRONTEND_WIN_ID"))

  901.         gStandalone.engine->setOption(CB::ENGINE_OPTION_FRONTEND_WIN_ID, 0, frontendWinId);

  902. 

  903.     if (gStandalone.engine->init(clientName))

  904.     {

  905.         gStandalone.lastError = "No error";

  906.         return true;

  907.     }

  908.     else

  909.     {

  910.         gStandalone.lastError = gStandalone.engine->getLastError();

  911.         delete gStandalone.engine;

  912.         gStandalone.engine = nullptr;

  913.         return false;

  914.     }

  915. }

  916. #endif

  917. 

  918. bool carla_engine_close()

  919. {

  920.     carla_debug("carla_engine_close()");

  921. 

  922.     if (gStandalone.engine == nullptr)

  923.     {

  924.         carla_stderr2("Engine is not running");

  925.         gStandalone.lastError = "Engine is not running";

  926.         return false;

  927.     }

  928. 

  929.     gStandalone.engine->setAboutToClose();

  930.     gStandalone.engine->removeAllPlugins();

  931. 

  932.     const bool closed(gStandalone.engine->close());

  933. 

  934.     if (! closed)

  935.         gStandalone.lastError = gStandalone.engine->getLastError();

  936. 

  937. #ifndef BUILD_BRIDGE

  938.     juce::shutdownJuce_GUI();

  939. #endif

  940.     delete gStandalone.engine;

  941.     gStandalone.engine = nullptr;

  942. 

  943.     return closed;

  944. }

  945. 

  946. void carla_engine_idle()

  947. {

  948.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  949. 

  950.     gNSM.idle();

  951.     gStandalone.engine->idle();

  952. }

  953. 

  954. bool carla_is_engine_running()

  955. {

  956.     return (gStandalone.engine != nullptr && gStandalone.engine->isRunning());

  957. }

  958. 

  959. void carla_set_engine_about_to_close()

  960. {

  961.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  962.     carla_debug("carla_set_engine_about_to_close()");

  963. 

  964.     gStandalone.engine->setAboutToClose();

  965. }

  966. 

  967. void carla_set_engine_callback(EngineCallbackFunc func, void* ptr)

  968. {

  969.     carla_debug("carla_set_engine_callback(%p, %p)", func, ptr);

  970. 

  971.     gStandalone.engineCallback    = func;

  972.     gStandalone.engineCallbackPtr = ptr;

  973. 

  974.     if (gStandalone.engine != nullptr)

  975.         gStandalone.engine->setCallback(func, ptr);

  976. 

  977. //#ifdef WANT_LOGS

  978. //    gLogThread.setCallback(func, ptr);

  979. //#endif

  980. }

  981. 

  982. #ifndef BUILD_BRIDGE

  983. void carla_set_engine_option(EngineOption option, int value, const char* valueStr)

  984. {

  985.     carla_debug("carla_set_engine_option(%i:%s, %i, \"%s\")", option, CB::EngineOption2Str(option), value, valueStr);

  986. 

  987.     switch (option)

  988.     {

  989.     case CB::ENGINE_OPTION_DEBUG:

  990.         break;

  991. 

  992.     case CB::ENGINE_OPTION_PROCESS_MODE:

  993.         CARLA_SAFE_ASSERT_RETURN(value >= CB::ENGINE_PROCESS_MODE_SINGLE_CLIENT && value < CB::ENGINE_PROCESS_MODE_BRIDGE,);

  994.         gStandalone.engineOptions.processMode = static_cast<CB::EngineProcessMode>(value);

  995.         break;

  996. 

  997.     case CB::ENGINE_OPTION_TRANSPORT_MODE:

  998.         CARLA_SAFE_ASSERT_RETURN(value >= CB::ENGINE_TRANSPORT_MODE_INTERNAL && value < CB::ENGINE_TRANSPORT_MODE_BRIDGE,);

  999.         gStandalone.engineOptions.transportMode = static_cast<CB::EngineTransportMode>(value);

  1000.         break;

  1001. 

  1002.     case CB::ENGINE_OPTION_FORCE_STEREO:

  1003.         CARLA_SAFE_ASSERT_RETURN(value == 0 || value == 1,);

  1004.         gStandalone.engineOptions.forceStereo = (value != 0);

  1005.         break;

  1006. 

  1007.     case CB::ENGINE_OPTION_PREFER_PLUGIN_BRIDGES:

  1008.         CARLA_SAFE_ASSERT_RETURN(value == 0 || value == 1,);

  1009.         gStandalone.engineOptions.preferPluginBridges = (value != 0);

  1010.         break;

  1011. 

  1012.     case CB::ENGINE_OPTION_PREFER_UI_BRIDGES:

  1013.         CARLA_SAFE_ASSERT_RETURN(value == 0 || value == 1,);

  1014.         gStandalone.engineOptions.preferUiBridges = (value != 0);

  1015.         break;

  1016. 

  1017.     case CB::ENGINE_OPTION_UIS_ALWAYS_ON_TOP:

  1018.         CARLA_SAFE_ASSERT_RETURN(value == 0 || value == 1,);

  1019.         gStandalone.engineOptions.uisAlwaysOnTop = (value != 0);

  1020.         break;

  1021. 

  1022.     case CB::ENGINE_OPTION_MAX_PARAMETERS:

  1023.         CARLA_SAFE_ASSERT_RETURN(value >= 0,);

  1024.         gStandalone.engineOptions.maxParameters = static_cast<uint>(value);

  1025.         break;

  1026. 

  1027.     case CB::ENGINE_OPTION_UI_BRIDGES_TIMEOUT:

  1028.         CARLA_SAFE_ASSERT_RETURN(value >= 0,);

  1029.         gStandalone.engineOptions.uiBridgesTimeout = static_cast<uint>(value);

  1030.         break;

  1031. 

  1032.     case CB::ENGINE_OPTION_AUDIO_NUM_PERIODS:

  1033.         CARLA_SAFE_ASSERT_RETURN(value >= 2 && value <= 3,);

  1034.         gStandalone.engineOptions.audioNumPeriods = static_cast<uint>(value);

  1035.         break;

  1036. 

  1037.     case CB::ENGINE_OPTION_AUDIO_BUFFER_SIZE:

  1038.         CARLA_SAFE_ASSERT_RETURN(value >= 8,);

  1039.         gStandalone.engineOptions.audioBufferSize = static_cast<uint>(value);

  1040.         break;

  1041. 

  1042.     case CB::ENGINE_OPTION_AUDIO_SAMPLE_RATE:

  1043.         CARLA_SAFE_ASSERT_RETURN(value >= 22050,);

  1044.         gStandalone.engineOptions.audioSampleRate = static_cast<uint>(value);

  1045.         break;

  1046. 

  1047.     case CB::ENGINE_OPTION_AUDIO_DEVICE:

  1048.         CARLA_SAFE_ASSERT_RETURN(valueStr != nullptr,);

  1049. 

  1050.         if (gStandalone.engineOptions.audioDevice != nullptr)

  1051.             delete[] gStandalone.engineOptions.audioDevice;

  1052. 

  1053.         gStandalone.engineOptions.audioDevice = carla_strdup_safe(valueStr);

  1054.         break;

  1055. 

  1056.     case CB:: ENGINE_OPTION_NSM_INIT:

  1057.         CARLA_SAFE_ASSERT_RETURN(value != 0,);

  1058.         CARLA_SAFE_ASSERT_RETURN(valueStr != nullptr && valueStr[0] != '\0',);

  1059.         gNSM.announce(value, valueStr);

  1060.         break;

  1061. 

  1062.     case CB::ENGINE_OPTION_PLUGIN_PATH:

  1063.         CARLA_SAFE_ASSERT_RETURN(value > CB::PLUGIN_NONE,);

  1064.         CARLA_SAFE_ASSERT_RETURN(value <= CB::PLUGIN_SFZ,);

  1065.         CARLA_SAFE_ASSERT_RETURN(valueStr != nullptr,);

  1066. 

  1067.         switch (value)

  1068.         {

  1069.         case CB::PLUGIN_LADSPA:

  1070.             if (gStandalone.engineOptions.pathLADSPA != nullptr)

  1071.                 delete[] gStandalone.engineOptions.pathLADSPA;

  1072.             gStandalone.engineOptions.pathLADSPA = carla_strdup_safe(valueStr);

  1073.             break;

  1074.         case CB::PLUGIN_DSSI:

  1075.             if (gStandalone.engineOptions.pathDSSI != nullptr)

  1076.                 delete[] gStandalone.engineOptions.pathDSSI;

  1077.             gStandalone.engineOptions.pathDSSI = carla_strdup_safe(valueStr);

  1078.             break;

  1079.         case CB::PLUGIN_LV2:

  1080.             if (gStandalone.engineOptions.pathLV2 != nullptr)

  1081.                 delete[] gStandalone.engineOptions.pathLV2;

  1082.             gStandalone.engineOptions.pathLV2 = carla_strdup_safe(valueStr);

  1083.             break;

  1084.         case CB::PLUGIN_VST:

  1085.             if (gStandalone.engineOptions.pathVST != nullptr)

  1086.                 delete[] gStandalone.engineOptions.pathVST;

  1087.             gStandalone.engineOptions.pathVST = carla_strdup_safe(valueStr);

  1088.             break;

  1089.         case CB::PLUGIN_VST3:

  1090.             if (gStandalone.engineOptions.pathVST3 != nullptr)

  1091.                 delete[] gStandalone.engineOptions.pathVST3;

  1092.             gStandalone.engineOptions.pathVST3 = carla_strdup_safe(valueStr);

  1093.             break;

  1094.         case CB::PLUGIN_AU:

  1095.             if (gStandalone.engineOptions.pathAU != nullptr)

  1096.                 delete[] gStandalone.engineOptions.pathAU;

  1097.             gStandalone.engineOptions.pathAU = carla_strdup_safe(valueStr);

  1098.             break;

  1099.         case CB::PLUGIN_GIG:

  1100.             if (gStandalone.engineOptions.pathGIG != nullptr)

  1101.                 delete[] gStandalone.engineOptions.pathGIG;

  1102.             gStandalone.engineOptions.pathGIG = carla_strdup_safe(valueStr);

  1103.             break;

  1104.         case CB::PLUGIN_SF2:

  1105.             if (gStandalone.engineOptions.pathSF2 != nullptr)

  1106.                 delete[] gStandalone.engineOptions.pathSF2;

  1107.             gStandalone.engineOptions.pathSF2 = carla_strdup_safe(valueStr);

  1108.             break;

  1109.         case CB::PLUGIN_SFZ:

  1110.             if (gStandalone.engineOptions.pathSFZ != nullptr)

  1111.                 delete[] gStandalone.engineOptions.pathSFZ;

  1112.             gStandalone.engineOptions.pathSFZ = carla_strdup_safe(valueStr);

  1113.             break;

  1114.         }

  1115.         break;

  1116. 

  1117.     case CB::ENGINE_OPTION_PATH_BINARIES:

  1118.         CARLA_SAFE_ASSERT_RETURN(valueStr != nullptr && valueStr[0] != '\0',);

  1119. 

  1120.         if (gStandalone.engineOptions.binaryDir != nullptr)

  1121.             delete[] gStandalone.engineOptions.binaryDir;

  1122. 

  1123.         gStandalone.engineOptions.binaryDir = carla_strdup_safe(valueStr);

  1124.         break;

  1125. 

  1126.     case CB::ENGINE_OPTION_PATH_RESOURCES:

  1127.         CARLA_SAFE_ASSERT_RETURN(valueStr != nullptr && valueStr[0] != '\0',);

  1128. 

  1129.         if (gStandalone.engineOptions.resourceDir != nullptr)

  1130.             delete[] gStandalone.engineOptions.resourceDir;

  1131. 

  1132.         gStandalone.engineOptions.resourceDir = carla_strdup_safe(valueStr);

  1133.         break;

  1134. 

  1135.     case CB::ENGINE_OPTION_PREVENT_BAD_BEHAVIOUR:

  1136.         CARLA_SAFE_ASSERT_RETURN(value == 0 || value == 1,);

  1137.         gStandalone.engineOptions.preventBadBehaviour = (value != 0);

  1138.         break;

  1139. 

  1140.     case CB::ENGINE_OPTION_FRONTEND_WIN_ID:

  1141.         CARLA_SAFE_ASSERT_RETURN(valueStr != nullptr && valueStr[0] != '\0',);

  1142.         const long long winId(std::strtoll(valueStr, nullptr, 16));

  1143.         CARLA_SAFE_ASSERT_RETURN(winId >= 0,);

  1144.         gStandalone.engineOptions.frontendWinId = static_cast<uintptr_t>(winId);

  1145.         break;

  1146.     }

  1147. 

  1148.     if (gStandalone.engine != nullptr)

  1149.         gStandalone.engine->setOption(option, value, valueStr);

  1150. }

  1151. #endif

  1152. 

  1153. void carla_set_file_callback(FileCallbackFunc func, void* ptr)

  1154. {

  1155.     carla_debug("carla_set_file_callback(%p, %p)", func, ptr);

  1156. 

  1157.     gStandalone.fileCallback    = func;

  1158.     gStandalone.fileCallbackPtr = ptr;

  1159. 

  1160.     if (gStandalone.engine != nullptr)

  1161.         gStandalone.engine->setFileCallback(func, ptr);

  1162. }

  1163. 

  1164. // -------------------------------------------------------------------------------------------------------------------

  1165. 

  1166. bool carla_load_file(const char* filename)

  1167. {

  1168.     CARLA_SAFE_ASSERT_RETURN(filename != nullptr && filename[0] != '\0', false);

  1169.     carla_debug("carla_load_file(\"%s\")", filename);

  1170. 

  1171.     if (gStandalone.engine != nullptr)

  1172.         return gStandalone.engine->loadFile(filename);

  1173. 

  1174.     carla_stderr2("Engine is not running");

  1175.     gStandalone.lastError = "Engine is not running";

  1176.     return false;

  1177. }

  1178. 

  1179. bool carla_load_project(const char* filename)

  1180. {

  1181.     CARLA_SAFE_ASSERT_RETURN(filename != nullptr && filename[0] != '\0', false);

  1182.     carla_debug("carla_load_project(\"%s\")", filename);

  1183. 

  1184.     if (gStandalone.engine != nullptr)

  1185.         return gStandalone.engine->loadProject(filename);

  1186. 

  1187.     carla_stderr2("Engine is not running");

  1188.     gStandalone.lastError = "Engine is not running";

  1189.     return false;

  1190. }

  1191. 

  1192. bool carla_save_project(const char* filename)

  1193. {

  1194.     CARLA_SAFE_ASSERT_RETURN(filename != nullptr && filename[0] != '\0', false);

  1195.     carla_debug("carla_save_project(\"%s\")", filename);

  1196. 

  1197.     if (gStandalone.engine != nullptr)

  1198.         return gStandalone.engine->saveProject(filename);

  1199. 

  1200.     carla_stderr2("Engine was never initiated");

  1201.     gStandalone.lastError = "Engine was never initiated";

  1202.     return false;

  1203. }

  1204. 

  1205. #ifndef BUILD_BRIDGE

  1206. // -------------------------------------------------------------------------------------------------------------------

  1207. 

  1208. bool carla_patchbay_connect(uint groupIdA, uint portIdA, uint groupIdB, uint portIdB)

  1209. {

  1210.     carla_debug("carla_patchbay_connect(%u, %u, %u, %u)", groupIdA, portIdA, groupIdB, portIdB);

  1211. 

  1212.     if (gStandalone.engine != nullptr)

  1213.         return gStandalone.engine->patchbayConnect(groupIdA, portIdA, groupIdB, portIdB);

  1214. 

  1215.     carla_stderr2("Engine is not running");

  1216.     gStandalone.lastError = "Engine is not running";

  1217.     return false;

  1218. }

  1219. 

  1220. bool carla_patchbay_disconnect(uint connectionId)

  1221. {

  1222.     carla_debug("carla_patchbay_disconnect(%i)", connectionId);

  1223. 

  1224.     if (gStandalone.engine != nullptr)

  1225.         return gStandalone.engine->patchbayDisconnect(connectionId);

  1226. 

  1227.     carla_stderr2("Engine is not running");

  1228.     gStandalone.lastError = "Engine is not running";

  1229.     return false;

  1230. }

  1231. 

  1232. bool carla_patchbay_refresh(bool external)

  1233. {

  1234.     carla_debug("carla_patchbay_refresh(%s)", bool2str(external));

  1235. 

  1236.     if (gStandalone.engine != nullptr)

  1237.         return gStandalone.engine->patchbayRefresh(external);

  1238. 

  1239.     carla_stderr2("Engine is not running");

  1240.     gStandalone.lastError = "Engine is not running";

  1241.     return false;

  1242. }

  1243. 

  1244. // -------------------------------------------------------------------------------------------------------------------

  1245. 

  1246. void carla_transport_play()

  1247. {

  1248.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr && gStandalone.engine->isRunning(),);

  1249.     carla_debug("carla_transport_play()");

  1250. 

  1251.     gStandalone.engine->transportPlay();

  1252. }

  1253. 

  1254. void carla_transport_pause()

  1255. {

  1256.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr && gStandalone.engine->isRunning(),);

  1257.     carla_debug("carla_transport_pause()");

  1258. 

  1259.     gStandalone.engine->transportPause();

  1260. }

  1261. 

  1262. void carla_transport_relocate(uint64_t frame)

  1263. {

  1264.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr && gStandalone.engine->isRunning(),);

  1265.     carla_debug("carla_transport_relocate(%i)", frame);

  1266. 

  1267.     gStandalone.engine->transportRelocate(frame);

  1268. }

  1269. 

  1270. uint64_t carla_get_current_transport_frame()

  1271. {

  1272.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr && gStandalone.engine->isRunning(), 0);

  1273. 

  1274.     const CB::EngineTimeInfo& timeInfo(gStandalone.engine->getTimeInfo());

  1275.     return timeInfo.frame;

  1276. }

  1277. 

  1278. const CarlaTransportInfo* carla_get_transport_info()

  1279. {

  1280.     static CarlaTransportInfo retInfo;

  1281. 

  1282.     // reset

  1283.     retInfo.playing = false;

  1284.     retInfo.frame   = 0;

  1285.     retInfo.bar     = 0;

  1286.     retInfo.beat    = 0;

  1287.     retInfo.tick    = 0;

  1288.     retInfo.bpm     = 0.0;

  1289. 

  1290.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr && gStandalone.engine->isRunning(), &retInfo);

  1291. 

  1292.     const CB::EngineTimeInfo& timeInfo(gStandalone.engine->getTimeInfo());

  1293. 

  1294.     retInfo.playing = timeInfo.playing;

  1295.     retInfo.frame   = timeInfo.frame;

  1296. 

  1297.     if (timeInfo.valid & CB::EngineTimeInfo::kValidBBT)

  1298.     {

  1299.         retInfo.bar  = timeInfo.bbt.bar;

  1300.         retInfo.beat = timeInfo.bbt.beat;

  1301.         retInfo.tick = timeInfo.bbt.tick;

  1302.         retInfo.bpm  = timeInfo.bbt.beatsPerMinute;

  1303.     }

  1304. 

  1305.     return &retInfo;

  1306. }

  1307. #endif

  1308. 

  1309. // -------------------------------------------------------------------------------------------------------------------

  1310. 

  1311. uint32_t carla_get_current_plugin_count()

  1312. {

  1313.     if (gStandalone.engine != nullptr)

  1314.         return gStandalone.engine->getCurrentPluginCount();

  1315. 

  1316.     return 0;

  1317. }

  1318. 

  1319. uint32_t carla_get_max_plugin_number()

  1320. {

  1321.     if (gStandalone.engine != nullptr)

  1322.         return gStandalone.engine->getMaxPluginNumber();

  1323. 

  1324.     return 0;

  1325. }

  1326. 

  1327. // -------------------------------------------------------------------------------------------------------------------

  1328. 

  1329. bool carla_add_plugin(BinaryType btype, PluginType ptype, const char* filename, const char* name, const char* label, int64_t uniqueId, const void* extraPtr)

  1330. {

  1331.     CARLA_SAFE_ASSERT_RETURN(label != nullptr /*&& label[0] != '\0'*/, false);

  1332.     carla_debug("carla_add_plugin(%i:%s, %i:%s, \"%s\", \"%s\", \"%s\", " P_INT64 ", %p)", btype, CB::BinaryType2Str(btype), ptype, CB::PluginType2Str(ptype), filename, name, label, uniqueId, extraPtr);

  1333. 

  1334.     if (gStandalone.engine != nullptr)

  1335.         return gStandalone.engine->addPlugin(btype, ptype, filename, name, label, uniqueId, extraPtr);

  1336. 

  1337.     carla_stderr2("Engine is not running");

  1338.     gStandalone.lastError = "Engine is not running";

  1339.     return false;

  1340. }

  1341. 

  1342. bool carla_remove_plugin(uint pluginId)

  1343. {

  1344.     carla_debug("carla_remove_plugin(%i)", pluginId);

  1345. 

  1346.     if (gStandalone.engine != nullptr)

  1347.         return gStandalone.engine->removePlugin(pluginId);

  1348. 

  1349.     carla_stderr2("Engine is not running");

  1350.     gStandalone.lastError = "Engine is not running";

  1351.     return false;

  1352. }

  1353. 

  1354. bool carla_remove_all_plugins()

  1355. {

  1356.     carla_debug("carla_remove_all_plugins()");

  1357. 

  1358.     if (gStandalone.engine != nullptr)

  1359.         return gStandalone.engine->removeAllPlugins();

  1360. 

  1361.     carla_stderr2("Engine is not running");

  1362.     gStandalone.lastError = "Engine is not running";

  1363.     return false;

  1364. }

  1365. 

  1366. #ifndef BUILD_BRIDGE

  1367. const char* carla_rename_plugin(uint pluginId, const char* newName)

  1368. {

  1369.     CARLA_SAFE_ASSERT_RETURN(newName != nullptr && newName[0] != '\0', nullptr);

  1370.     carla_debug("carla_rename_plugin(%i, \"%s\")", pluginId, newName);

  1371. 

  1372.     if (gStandalone.engine != nullptr)

  1373.         return gStandalone.engine->renamePlugin(pluginId, newName);

  1374. 

  1375.     carla_stderr2("Engine is not running");

  1376.     gStandalone.lastError = "Engine is not running";

  1377.     return nullptr;

  1378. }

  1379. 

  1380. bool carla_clone_plugin(uint pluginId)

  1381. {

  1382.     carla_debug("carla_clone_plugin(%i)", pluginId);

  1383. 

  1384.     if (gStandalone.engine != nullptr)

  1385.         return gStandalone.engine->clonePlugin(pluginId);

  1386. 

  1387.     carla_stderr2("Engine is not running");

  1388.     gStandalone.lastError = "Engine is not running";

  1389.     return false;

  1390. }

  1391. 

  1392. bool carla_replace_plugin(uint pluginId)

  1393. {

  1394.     carla_debug("carla_replace_plugin(%i)", pluginId);

  1395. 

  1396.     if (gStandalone.engine != nullptr)

  1397.         return gStandalone.engine->replacePlugin(pluginId);

  1398. 

  1399.     carla_stderr2("Engine is not running");

  1400.     gStandalone.lastError = "Engine is not running";

  1401.     return false;

  1402. }

  1403. 

  1404. bool carla_switch_plugins(uint pluginIdA, uint pluginIdB)

  1405. {

  1406.     CARLA_SAFE_ASSERT_RETURN(pluginIdA != pluginIdB, false);

  1407.     carla_debug("carla_switch_plugins(%i, %i)", pluginIdA, pluginIdB);

  1408. 

  1409.     if (gStandalone.engine != nullptr)

  1410.         return gStandalone.engine->switchPlugins(pluginIdA, pluginIdB);

  1411. 

  1412.     carla_stderr2("Engine is not running");

  1413.     gStandalone.lastError = "Engine is not running";

  1414.     return false;

  1415. }

  1416. #endif

  1417. 

  1418. // -------------------------------------------------------------------------------------------------------------------

  1419. 

  1420. bool carla_load_plugin_state(uint pluginId, const char* filename)

  1421. {

  1422.     CARLA_SAFE_ASSERT_RETURN(filename != nullptr && filename[0] != '\0', false);

  1423.     carla_debug("carla_load_plugin_state(%i, \"%s\")", pluginId, filename);

  1424. 

  1425.     if (gStandalone.engine == nullptr || ! gStandalone.engine->isRunning())

  1426.     {

  1427.         carla_stderr2("Engine is not running");

  1428.         gStandalone.lastError = "Engine is not running";

  1429.         return false;

  1430.     }

  1431. 

  1432.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1433.         return plugin->loadStateFromFile(filename);

  1434. 

  1435.     carla_stderr2("carla_load_plugin_state(%i, \"%s\") - could not find plugin", pluginId, filename);

  1436.     return false;

  1437. }

  1438. 

  1439. bool carla_save_plugin_state(uint pluginId, const char* filename)

  1440. {

  1441.     CARLA_SAFE_ASSERT_RETURN(filename != nullptr && filename[0] != '\0', false);

  1442.     carla_debug("carla_save_plugin_state(%i, \"%s\")", pluginId, filename);

  1443. 

  1444.     if (gStandalone.engine == nullptr)

  1445.     {

  1446.         carla_stderr2("Engine is not running");

  1447.         gStandalone.lastError = "Engine is not running";

  1448.         return false;

  1449.     }

  1450. 

  1451.     // allow to save even if engine isn't running

  1452. 

  1453.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1454.         return plugin->saveStateToFile(filename);

  1455. 

  1456.     carla_stderr2("carla_save_plugin_state(%i, \"%s\") - could not find plugin", pluginId, filename);

  1457.     return false;

  1458. }

  1459. 

  1460. // -------------------------------------------------------------------------------------------------------------------

  1461. 

  1462. const CarlaPluginInfo* carla_get_plugin_info(uint pluginId)

  1463. {

  1464.     carla_debug("carla_get_plugin_info(%i)", pluginId);

  1465. 

  1466.     static CarlaPluginInfo info;

  1467. 

  1468.     // reset

  1469.     info.type             = CB::PLUGIN_NONE;

  1470.     info.category         = CB::PLUGIN_CATEGORY_NONE;

  1471.     info.hints            = 0x0;

  1472.     info.optionsAvailable = 0x0;

  1473.     info.optionsEnabled   = 0x0;

  1474.     info.filename         = gNullCharPtr;

  1475.     info.name             = gNullCharPtr;

  1476.     info.iconName         = gNullCharPtr;

  1477.     info.uniqueId         = 0;

  1478. 

  1479.     // cleanup

  1480.     if (info.label != gNullCharPtr)

  1481.     {

  1482.         delete[] info.label;

  1483.         info.label = gNullCharPtr;

  1484.     }

  1485. 

  1486.     if (info.maker != gNullCharPtr)

  1487.     {

  1488.         delete[] info.maker;

  1489.         info.maker = gNullCharPtr;

  1490.     }

  1491. 

  1492.     if (info.copyright != gNullCharPtr)

  1493.     {

  1494.         delete[] info.copyright;

  1495.         info.copyright = gNullCharPtr;

  1496.     }

  1497. 

  1498.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, &info);

  1499. 

  1500.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1501.     {

  1502.         char strBufLabel[STR_MAX+1];

  1503.         char strBufMaker[STR_MAX+1];

  1504.         char strBufCopyright[STR_MAX+1];

  1505. 

  1506.         carla_zeroChar(strBufLabel, STR_MAX+1);

  1507.         carla_zeroChar(strBufMaker, STR_MAX+1);

  1508.         carla_zeroChar(strBufCopyright, STR_MAX+1);

  1509. 

  1510.         info.type     = plugin->getType();

  1511.         info.category = plugin->getCategory();

  1512.         info.hints    = plugin->getHints();

  1513.         info.filename = plugin->getFilename();

  1514.         info.name     = plugin->getName();

  1515.         info.iconName = plugin->getIconName();

  1516.         info.uniqueId = plugin->getUniqueId();

  1517. 

  1518.         info.optionsAvailable = plugin->getOptionsAvailable();

  1519.         info.optionsEnabled   = plugin->getOptionsEnabled();

  1520. 

  1521.         plugin->getLabel(strBufLabel);

  1522.         info.label = carla_strdup_safe(strBufLabel);

  1523. 

  1524.         plugin->getMaker(strBufMaker);

  1525.         info.maker = carla_strdup_safe(strBufMaker);

  1526. 

  1527.         plugin->getCopyright(strBufCopyright);

  1528.         info.copyright = carla_strdup_safe(strBufCopyright);

  1529. 

  1530.         checkStringPtr(info.filename);

  1531.         checkStringPtr(info.name);

  1532.         checkStringPtr(info.iconName);

  1533.         checkStringPtr(info.label);

  1534.         checkStringPtr(info.maker);

  1535.         checkStringPtr(info.copyright);

  1536. 

  1537.         return &info;

  1538.     }

  1539. 

  1540.     carla_stderr2("carla_get_plugin_info(%i) - could not find plugin", pluginId);

  1541.     return &info;

  1542. }

  1543. 

  1544. const CarlaPortCountInfo* carla_get_audio_port_count_info(uint pluginId)

  1545. {

  1546.     carla_debug("carla_get_audio_port_count_info(%i)", pluginId);

  1547. 

  1548.     static CarlaPortCountInfo info;

  1549. 

  1550.     // reset

  1551.     info.ins   = 0;

  1552.     info.outs  = 0;

  1553. 

  1554.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, &info);

  1555. 

  1556.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1557.     {

  1558.         info.ins   = plugin->getAudioInCount();

  1559.         info.outs  = plugin->getAudioOutCount();

  1560.         return &info;

  1561.     }

  1562. 

  1563.     carla_stderr2("carla_get_audio_port_count_info(%i) - could not find plugin", pluginId);

  1564.     return &info;

  1565. }

  1566. 

  1567. const CarlaPortCountInfo* carla_get_midi_port_count_info(uint pluginId)

  1568. {

  1569.     carla_debug("carla_get_midi_port_count_info(%i)", pluginId);

  1570. 

  1571.     static CarlaPortCountInfo info;

  1572. 

  1573.     // reset

  1574.     info.ins   = 0;

  1575.     info.outs  = 0;

  1576. 

  1577.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, &info);

  1578. 

  1579.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1580.     {

  1581.         info.ins   = plugin->getMidiInCount();

  1582.         info.outs  = plugin->getMidiOutCount();

  1583.         return &info;

  1584.     }

  1585. 

  1586.     carla_stderr2("carla_get_midi_port_count_info(%i) - could not find plugin", pluginId);

  1587.     return &info;

  1588. }

  1589. 

  1590. const CarlaPortCountInfo* carla_get_parameter_count_info(uint pluginId)

  1591. {

  1592.     carla_debug("carla_get_parameter_count_info(%i)", pluginId);

  1593. 

  1594.     static CarlaPortCountInfo info;

  1595. 

  1596.     // reset

  1597.     info.ins   = 0;

  1598.     info.outs  = 0;

  1599. 

  1600.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, &info);

  1601. 

  1602.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1603.     {

  1604.         plugin->getParameterCountInfo(info.ins, info.outs);

  1605.         return &info;

  1606.     }

  1607. 

  1608.     carla_stderr2("carla_get_parameter_count_info(%i) - could not find plugin", pluginId);

  1609.     return &info;

  1610. }

  1611. 

  1612. const CarlaParameterInfo* carla_get_parameter_info(uint pluginId, uint32_t parameterId)

  1613. {

  1614.     carla_debug("carla_get_parameter_info(%i, %i)", pluginId, parameterId);

  1615. 

  1616.     static CarlaParameterInfo info;

  1617. 

  1618.     // reset

  1619.     info.scalePointCount = 0;

  1620. 

  1621.     // cleanup

  1622.     if (info.name != gNullCharPtr)

  1623.     {

  1624.         delete[] info.name;

  1625.         info.name = gNullCharPtr;

  1626.     }

  1627. 

  1628.     if (info.symbol != gNullCharPtr)

  1629.     {

  1630.         delete[] info.symbol;

  1631.         info.symbol = gNullCharPtr;

  1632.     }

  1633. 

  1634.     if (info.unit != gNullCharPtr)

  1635.     {

  1636.         delete[] info.unit;

  1637.         info.unit = gNullCharPtr;

  1638.     }

  1639. 

  1640.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, &info);

  1641. 

  1642.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1643.     {

  1644.         if (parameterId < plugin->getParameterCount())

  1645.         {

  1646.             char strBufName[STR_MAX+1];

  1647.             char strBufSymbol[STR_MAX+1];

  1648.             char strBufUnit[STR_MAX+1];

  1649. 

  1650.             carla_zeroChar(strBufName, STR_MAX+1);

  1651.             carla_zeroChar(strBufSymbol, STR_MAX+1);

  1652.             carla_zeroChar(strBufUnit, STR_MAX+1);

  1653. 

  1654.             info.scalePointCount = plugin->getParameterScalePointCount(parameterId);

  1655. 

  1656.             plugin->getParameterName(parameterId, strBufName);

  1657.             info.name = carla_strdup_safe(strBufName);

  1658. 

  1659.             plugin->getParameterSymbol(parameterId, strBufSymbol);

  1660.             info.symbol = carla_strdup_safe(strBufSymbol);

  1661. 

  1662.             plugin->getParameterUnit(parameterId, strBufUnit);

  1663.             info.unit = carla_strdup_safe(strBufUnit);

  1664. 

  1665.             checkStringPtr(info.name);

  1666.             checkStringPtr(info.symbol);

  1667.             checkStringPtr(info.unit);

  1668.         }

  1669.         else

  1670.             carla_stderr2("carla_get_parameter_info(%i, %i) - parameterId out of bounds", pluginId, parameterId);

  1671. 

  1672.         return &info;

  1673.     }

  1674. 

  1675.     carla_stderr2("carla_get_parameter_info(%i, %i) - could not find plugin", pluginId, parameterId);

  1676.     return &info;

  1677. }

  1678. 

  1679. const CarlaScalePointInfo* carla_get_parameter_scalepoint_info(uint pluginId, uint32_t parameterId, uint32_t scalePointId)

  1680. {

  1681.     carla_debug("carla_get_parameter_scalepoint_info(%i, %i, %i)", pluginId, parameterId, scalePointId);

  1682.     CARLA_ASSERT(gStandalone.engine != nullptr);

  1683. 

  1684.     static CarlaScalePointInfo info;

  1685. 

  1686.     // reset

  1687.     info.value = 0.0f;

  1688. 

  1689.     // cleanup

  1690.     if (info.label != gNullCharPtr)

  1691.     {

  1692.         delete[] info.label;

  1693.         info.label = gNullCharPtr;

  1694.     }

  1695. 

  1696.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, &info);

  1697. 

  1698.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1699.     {

  1700.         if (parameterId < plugin->getParameterCount())

  1701.         {

  1702.             if (scalePointId < plugin->getParameterScalePointCount(parameterId))

  1703.             {

  1704.                 char strBufLabel[STR_MAX+1];

  1705.                 carla_zeroChar(strBufLabel, STR_MAX+1);

  1706. 

  1707.                 info.value = plugin->getParameterScalePointValue(parameterId, scalePointId);

  1708. 

  1709.                 plugin->getParameterScalePointLabel(parameterId, scalePointId, strBufLabel);

  1710.                 info.label = carla_strdup_safe(strBufLabel);

  1711.                 checkStringPtr(info.label);

  1712.             }

  1713.             else

  1714.                 carla_stderr2("carla_get_parameter_scalepoint_info(%i, %i, %i) - scalePointId out of bounds", pluginId, parameterId, scalePointId);

  1715.         }

  1716.         else

  1717.             carla_stderr2("carla_get_parameter_scalepoint_info(%i, %i, %i) - parameterId out of bounds", pluginId, parameterId, scalePointId);

  1718. 

  1719.         return &info;

  1720.     }

  1721. 

  1722.     carla_stderr2("carla_get_parameter_scalepoint_info(%i, %i, %i) - could not find plugin", pluginId, parameterId, scalePointId);

  1723.     return &info;

  1724. }

  1725. 

  1726. // -------------------------------------------------------------------------------------------------------------------

  1727. 

  1728. const ParameterData* carla_get_parameter_data(uint pluginId, uint32_t parameterId)

  1729. {

  1730.     carla_debug("carla_get_parameter_data(%i, %i)", pluginId, parameterId);

  1731. 

  1732.     static const ParameterData fallbackParameterData = { CB::PARAMETER_UNKNOWN, 0x0, CB::PARAMETER_NULL, -1, -1, 0 };

  1733. 

  1734.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, &fallbackParameterData);

  1735. 

  1736.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1737.     {

  1738.         if (parameterId < plugin->getParameterCount())

  1739.             return &plugin->getParameterData(parameterId);

  1740. 

  1741.         carla_stderr2("carla_get_parameter_data(%i, %i) - parameterId out of bounds", pluginId, parameterId);

  1742.         return &fallbackParameterData;

  1743.     }

  1744. 

  1745.     carla_stderr2("carla_get_parameter_data(%i, %i) - could not find plugin", pluginId, parameterId);

  1746.     return &fallbackParameterData;

  1747. }

  1748. 

  1749. const ParameterRanges* carla_get_parameter_ranges(uint pluginId, uint32_t parameterId)

  1750. {

  1751.     carla_debug("carla_get_parameter_ranges(%i, %i)", pluginId, parameterId);

  1752. 

  1753.     static const ParameterRanges fallbackParamRanges = { 0.0f, 0.0f, 1.0f, 0.01f, 0.0001f, 0.1f };

  1754. 

  1755.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, &fallbackParamRanges);

  1756. 

  1757.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1758.     {

  1759.         if (parameterId < plugin->getParameterCount())

  1760.             return &plugin->getParameterRanges(parameterId);

  1761. 

  1762.         carla_stderr2("carla_get_parameter_ranges(%i, %i) - parameterId out of bounds", pluginId, parameterId);

  1763.         return &fallbackParamRanges;

  1764.     }

  1765. 

  1766.     carla_stderr2("carla_get_parameter_ranges(%i, %i) - could not find plugin", pluginId, parameterId);

  1767.     return &fallbackParamRanges;

  1768. }

  1769. 

  1770. const MidiProgramData* carla_get_midi_program_data(uint pluginId, uint32_t midiProgramId)

  1771. {

  1772.     carla_debug("carla_get_midi_program_data(%i, %i)", pluginId, midiProgramId);

  1773. 

  1774.     static MidiProgramData midiProgData;

  1775. 

  1776.     // reset

  1777.     midiProgData.bank    = 0;

  1778.     midiProgData.program = 0;

  1779.     midiProgData.name    = gNullCharPtr;

  1780. 

  1781.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, &midiProgData);

  1782. 

  1783.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1784.     {

  1785.         if (midiProgramId < plugin->getMidiProgramCount())

  1786.         {

  1787.             const MidiProgramData& ret(plugin->getMidiProgramData(midiProgramId));

  1788.             carla_copyStruct<MidiProgramData>(midiProgData, ret);

  1789.             checkStringPtr(midiProgData.name);

  1790.             return &midiProgData;

  1791.         }

  1792. 

  1793.         carla_stderr2("carla_get_midi_program_data(%i, %i) - midiProgramId out of bounds", pluginId, midiProgramId);

  1794.         return &midiProgData;

  1795.     }

  1796. 

  1797.     carla_stderr2("carla_get_midi_program_data(%i, %i) - could not find plugin", pluginId, midiProgramId);

  1798.     return &midiProgData;

  1799. }

  1800. 

  1801. const CustomData* carla_get_custom_data(uint pluginId, uint32_t customDataId)

  1802. {

  1803.     carla_debug("carla_get_custom_data(%i, %i)", pluginId, customDataId);

  1804. 

  1805.     static CustomData customData;

  1806. 

  1807.     // reset

  1808.     customData.type  = gNullCharPtr;

  1809.     customData.key   = gNullCharPtr;

  1810.     customData.value = gNullCharPtr;

  1811. 

  1812.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, &customData);

  1813. 

  1814.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1815.     {

  1816.         if (customDataId < plugin->getCustomDataCount())

  1817.         {

  1818.             const CustomData& ret(plugin->getCustomData(customDataId));

  1819.             carla_copyStruct<CustomData>(customData, ret);

  1820.             checkStringPtr(customData.type);

  1821.             checkStringPtr(customData.key);

  1822.             checkStringPtr(customData.value);

  1823.             return &customData;

  1824.         }

  1825. 

  1826.         carla_stderr2("carla_get_custom_data(%i, %i) - customDataId out of bounds", pluginId, customDataId);

  1827.         return &customData;

  1828.     }

  1829. 

  1830.     carla_stderr2("carla_get_custom_data(%i, %i) - could not find plugin", pluginId, customDataId);

  1831.     return &customData;

  1832. }

  1833. 

  1834. const char* carla_get_chunk_data(uint pluginId)

  1835. {

  1836.     carla_debug("carla_get_chunk_data(%i)", pluginId);

  1837. 

  1838.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, nullptr);

  1839. 

  1840.     static CarlaString chunkData;

  1841. 

  1842.     // cleanup

  1843.     chunkData.clear();

  1844. 

  1845.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1846.     {

  1847.         if (plugin->getOptionsEnabled() & CB::PLUGIN_OPTION_USE_CHUNKS)

  1848.         {

  1849.             void* data = nullptr;

  1850.             const std::size_t dataSize(plugin->getChunkData(&data));

  1851. 

  1852.             if (data != nullptr && dataSize > 0)

  1853.             {

  1854.                 chunkData = CarlaString::asBase64(data, static_cast<std::size_t>(dataSize));

  1855.                 return chunkData;

  1856.             }

  1857.             else

  1858.                 carla_stderr2("carla_get_chunk_data(%i) - got invalid chunk data", pluginId);

  1859.         }

  1860.         else

  1861.             carla_stderr2("carla_get_chunk_data(%i) - plugin does not use chunks", pluginId);

  1862. 

  1863.         return nullptr;

  1864.     }

  1865. 

  1866.     carla_stderr2("carla_get_chunk_data(%i) - could not find plugin", pluginId);

  1867.     return nullptr;

  1868. }

  1869. 

  1870. // -------------------------------------------------------------------------------------------------------------------

  1871. 

  1872. uint32_t carla_get_parameter_count(uint pluginId)

  1873. {

  1874.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, 0);

  1875.     carla_debug("carla_get_parameter_count(%i)", pluginId);

  1876. 

  1877.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1878.         return plugin->getParameterCount();

  1879. 

  1880.     carla_stderr2("carla_get_parameter_count(%i) - could not find plugin", pluginId);

  1881.     return 0;

  1882. }

  1883. 

  1884. uint32_t carla_get_program_count(uint pluginId)

  1885. {

  1886.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, 0);

  1887.     carla_debug("carla_get_program_count(%i)", pluginId);

  1888. 

  1889.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1890.         return plugin->getProgramCount();

  1891. 

  1892.     carla_stderr2("carla_get_program_count(%i) - could not find plugin", pluginId);

  1893.     return 0;

  1894. }

  1895. 

  1896. uint32_t carla_get_midi_program_count(uint pluginId)

  1897. {

  1898.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, 0);

  1899.     carla_debug("carla_get_midi_program_count(%i)", pluginId);

  1900. 

  1901.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1902.         return plugin->getMidiProgramCount();

  1903. 

  1904.     carla_stderr2("carla_get_midi_program_count(%i) - could not find plugin", pluginId);

  1905.     return 0;

  1906. }

  1907. 

  1908. uint32_t carla_get_custom_data_count(uint pluginId)

  1909. {

  1910.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, 0);

  1911.     carla_debug("carla_get_custom_data_count(%i)", pluginId);

  1912. 

  1913.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1914.         return plugin->getCustomDataCount();

  1915. 

  1916.     carla_stderr2("carla_get_custom_data_count(%i) - could not find plugin", pluginId);

  1917.     return 0;

  1918. }

  1919. 

  1920. // -------------------------------------------------------------------------------------------------------------------

  1921. 

  1922. const char* carla_get_parameter_text(uint pluginId, uint32_t parameterId)

  1923. {

  1924.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, nullptr);

  1925.     carla_debug("carla_get_parameter_text(%i, %i)", pluginId, parameterId);

  1926. 

  1927.     static char textBuf[STR_MAX+1];

  1928. 

  1929.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1930.     {

  1931.         if (parameterId < plugin->getParameterCount())

  1932.         {

  1933.             carla_zeroChar(textBuf, STR_MAX+1);

  1934.             plugin->getParameterText(parameterId, textBuf);

  1935.             return textBuf;

  1936.         }

  1937. 

  1938.         carla_stderr2("carla_get_parameter_text(%i, %i) - parameterId out of bounds", pluginId, parameterId);

  1939.         return nullptr;

  1940.     }

  1941. 

  1942.     carla_stderr2("carla_get_parameter_text(%i, %i) - could not find plugin", pluginId, parameterId);

  1943.     return nullptr;

  1944. }

  1945. 

  1946. const char* carla_get_program_name(uint pluginId, uint32_t programId)

  1947. {

  1948.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, nullptr);

  1949.     carla_debug("carla_get_program_name(%i, %i)", pluginId, programId);

  1950. 

  1951.     static char programName[STR_MAX+1];

  1952. 

  1953.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1954.     {

  1955.         if (programId < plugin->getProgramCount())

  1956.         {

  1957.             carla_zeroChar(programName, STR_MAX+1);

  1958.             plugin->getProgramName(programId, programName);

  1959.             return programName;

  1960.         }

  1961. 

  1962.         carla_stderr2("carla_get_program_name(%i, %i) - programId out of bounds", pluginId, programId);

  1963.         return nullptr;

  1964.     }

  1965. 

  1966.     carla_stderr2("carla_get_program_name(%i, %i) - could not find plugin", pluginId, programId);

  1967.     return nullptr;

  1968. }

  1969. 

  1970. const char* carla_get_midi_program_name(uint pluginId, uint32_t midiProgramId)

  1971. {

  1972.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, nullptr);

  1973.     carla_debug("carla_get_midi_program_name(%i, %i)", pluginId, midiProgramId);

  1974. 

  1975.     static char midiProgramName[STR_MAX+1];

  1976. 

  1977.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1978.     {

  1979.         if (midiProgramId < plugin->getMidiProgramCount())

  1980.         {

  1981.             carla_zeroChar(midiProgramName, STR_MAX+1);

  1982.             plugin->getMidiProgramName(midiProgramId, midiProgramName);

  1983.             return midiProgramName;

  1984.         }

  1985. 

  1986.         carla_stderr2("carla_get_midi_program_name(%i, %i) - midiProgramId out of bounds", pluginId, midiProgramId);

  1987.         return nullptr;

  1988.     }

  1989. 

  1990.     carla_stderr2("carla_get_midi_program_name(%i, %i) - could not find plugin", pluginId, midiProgramId);

  1991.     return nullptr;

  1992. }

  1993. 

  1994. const char* carla_get_real_plugin_name(uint pluginId)

  1995. {

  1996.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, nullptr);

  1997.     carla_debug("carla_get_real_plugin_name(%i)", pluginId);

  1998. 

  1999.     static char realPluginName[STR_MAX+1];

  2000. 

  2001.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2002.     {

  2003.         carla_zeroChar(realPluginName, STR_MAX+1);

  2004.         plugin->getRealName(realPluginName);

  2005.         return realPluginName;

  2006.     }

  2007. 

  2008.     carla_stderr2("carla_get_real_plugin_name(%i) - could not find plugin", pluginId);

  2009.     return nullptr;

  2010. }

  2011. 

  2012. // -------------------------------------------------------------------------------------------------------------------

  2013. 

  2014. int32_t carla_get_current_program_index(uint pluginId)

  2015. {

  2016.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, -1);

  2017.     carla_debug("carla_get_current_program_index(%i)", pluginId);

  2018. 

  2019.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2020.         return plugin->getCurrentProgram();

  2021. 

  2022.     carla_stderr2("carla_get_current_program_index(%i) - could not find plugin", pluginId);

  2023.     return -1;

  2024. }

  2025. 

  2026. int32_t carla_get_current_midi_program_index(uint pluginId)

  2027. {

  2028.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, -1);

  2029.     carla_debug("carla_get_current_midi_program_index(%i)", pluginId);

  2030. 

  2031.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2032.         return plugin->getCurrentMidiProgram();

  2033. 

  2034.     carla_stderr2("carla_get_current_midi_program_index(%i) - could not find plugin", pluginId);

  2035.     return -1;

  2036. }

  2037. 

  2038. // -------------------------------------------------------------------------------------------------------------------

  2039. 

  2040. float carla_get_default_parameter_value(uint pluginId, uint32_t parameterId)

  2041. {

  2042.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, 0.0f);

  2043.     carla_debug("carla_get_default_parameter_value(%i, %i)", pluginId, parameterId);

  2044. 

  2045.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2046.     {

  2047.         if (parameterId < plugin->getParameterCount())

  2048.             return plugin->getParameterRanges(parameterId).def;

  2049. 

  2050.         carla_stderr2("carla_get_default_parameter_value(%i, %i) - parameterId out of bounds", pluginId, parameterId);

  2051.         return 0.0f;

  2052.     }

  2053. 

  2054.     carla_stderr2("carla_get_default_parameter_value(%i, %i) - could not find plugin", pluginId, parameterId);

  2055.     return 0.0f;

  2056. }

  2057. 

  2058. float carla_get_current_parameter_value(uint pluginId, uint32_t parameterId)

  2059. {

  2060.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, 0.0f);

  2061. 

  2062.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2063.     {

  2064.         if (parameterId < plugin->getParameterCount())

  2065.             return plugin->getParameterValue(parameterId);

  2066. 

  2067.         carla_stderr2("carla_get_current_parameter_value(%i, %i) - parameterId out of bounds", pluginId, parameterId);

  2068.         return 0.0f;

  2069.     }

  2070. 

  2071.     carla_stderr2("carla_get_current_parameter_value(%i, %i) - could not find plugin", pluginId, parameterId);

  2072.     return 0.0f;

  2073. }

  2074. 

  2075. float carla_get_internal_parameter_value(uint pluginId, int32_t parameterId)

  2076. {

  2077. #ifdef BUILD_BRIDGE

  2078.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, 0.0f);

  2079. #else

  2080.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, (parameterId == CB::PARAMETER_CTRL_CHANNEL) ? -1.0f : 0.0f);

  2081. #endif

  2082.     CARLA_SAFE_ASSERT_RETURN(parameterId != CB::PARAMETER_NULL && parameterId > CB::PARAMETER_MAX, 0.0f);

  2083. 

  2084.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2085.         return plugin->getInternalParameterValue(parameterId);

  2086. 

  2087.     carla_stderr2("carla_get_internal_parameter_value(%i, %i) - could not find plugin", pluginId, parameterId);

  2088.     return 0.0f;

  2089. }

  2090. 

  2091. // -------------------------------------------------------------------------------------------------------------------

  2092. 

  2093. float carla_get_input_peak_value(uint pluginId, bool isLeft)

  2094. {

  2095.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, 0.0f);

  2096. 

  2097.     return gStandalone.engine->getInputPeak(pluginId, isLeft);

  2098. }

  2099. 

  2100. float carla_get_output_peak_value(uint pluginId, bool isLeft)

  2101. {

  2102.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, 0.0f);

  2103. 

  2104.     return gStandalone.engine->getOutputPeak(pluginId, isLeft);

  2105. }

  2106. 

  2107. // -------------------------------------------------------------------------------------------------------------------

  2108. 

  2109. void carla_set_active(uint pluginId, bool onOff)

  2110. {

  2111.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  2112.     carla_debug("carla_set_active(%i, %s)", pluginId, bool2str(onOff));

  2113. 

  2114.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2115.         return plugin->setActive(onOff, true, false);

  2116. 

  2117.     carla_stderr2("carla_set_active(%i, %s) - could not find plugin", pluginId, bool2str(onOff));

  2118. }

  2119. 

  2120. #ifndef BUILD_BRIDGE

  2121. void carla_set_drywet(uint pluginId, float value)

  2122. {

  2123.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  2124.     carla_debug("carla_set_drywet(%i, %f)", pluginId, value);

  2125. 

  2126.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2127.         return plugin->setDryWet(value, true, false);

  2128. 

  2129.     carla_stderr2("carla_set_drywet(%i, %f) - could not find plugin", pluginId, value);

  2130. }

  2131. 

  2132. void carla_set_volume(uint pluginId, float value)

  2133. {

  2134.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  2135.     carla_debug("carla_set_volume(%i, %f)", pluginId, value);

  2136. 

  2137.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2138.         return plugin->setVolume(value, true, false);

  2139. 

  2140.     carla_stderr2("carla_set_volume(%i, %f) - could not find plugin", pluginId, value);

  2141. }

  2142. 

  2143. void carla_set_balance_left(uint pluginId, float value)

  2144. {

  2145.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  2146.     carla_debug("carla_set_balance_left(%i, %f)", pluginId, value);

  2147. 

  2148.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2149.         return plugin->setBalanceLeft(value, true, false);

  2150. 

  2151.     carla_stderr2("carla_set_balance_left(%i, %f) - could not find plugin", pluginId, value);

  2152. }

  2153. 

  2154. void carla_set_balance_right(uint pluginId, float value)

  2155. {

  2156.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  2157.     carla_debug("carla_set_balance_right(%i, %f)", pluginId, value);

  2158. 

  2159.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2160.         return plugin->setBalanceRight(value, true, false);

  2161. 

  2162.     carla_stderr2("carla_set_balance_right(%i, %f) - could not find plugin", pluginId, value);

  2163. }

  2164. 

  2165. void carla_set_panning(uint pluginId, float value)

  2166. {

  2167.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  2168.     carla_debug("carla_set_panning(%i, %f)", pluginId, value);

  2169. 

  2170.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2171.         return plugin->setPanning(value, true, false);

  2172. 

  2173.     carla_stderr2("carla_set_panning(%i, %f) - could not find plugin", pluginId, value);

  2174. }

  2175. 

  2176. void carla_set_ctrl_channel(uint pluginId, int8_t channel)

  2177. {

  2178.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  2179.     CARLA_SAFE_ASSERT_RETURN(channel >= -1 && channel < MAX_MIDI_CHANNELS,);

  2180.     carla_debug("carla_set_ctrl_channel(%i, %i)", pluginId, channel);

  2181. 

  2182.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2183.         return plugin->setCtrlChannel(channel, true, false);

  2184. 

  2185.     carla_stderr2("carla_set_ctrl_channel(%i, %i) - could not find plugin", pluginId, channel);

  2186. }

  2187. 

  2188. void carla_set_option(uint pluginId, uint option, bool yesNo)

  2189. {

  2190.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  2191.     carla_debug("carla_set_option(%i, %i, %s)", pluginId, option, bool2str(yesNo));

  2192. 

  2193.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2194.         return plugin->setOption(option, yesNo, false);

  2195. 

  2196.     carla_stderr2("carla_set_option(%i, %i, %s) - could not find plugin", pluginId, option, bool2str(yesNo));

  2197. }

  2198. #endif

  2199. 

  2200. // -------------------------------------------------------------------------------------------------------------------

  2201. 

  2202. void carla_set_parameter_value(uint pluginId, uint32_t parameterId, float value)

  2203. {

  2204.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  2205.     carla_debug("carla_set_parameter_value(%i, %i, %f)", pluginId, parameterId, value);

  2206. 

  2207.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2208.     {

  2209.         if (parameterId < plugin->getParameterCount())

  2210.             return plugin->setParameterValue(parameterId, value, true, true, false);

  2211. 

  2212.         carla_stderr2("carla_set_parameter_value(%i, %i, %f) - parameterId out of bounds", pluginId, parameterId, value);

  2213.         return;

  2214.     }

  2215. 

  2216.     carla_stderr2("carla_set_parameter_value(%i, %i, %f) - could not find plugin", pluginId, parameterId, value);

  2217. }

  2218. 

  2219. #ifndef BUILD_BRIDGE

  2220. void carla_set_parameter_midi_channel(uint pluginId, uint32_t parameterId, uint8_t channel)

  2221. {

  2222.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  2223.     CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2224.     carla_debug("carla_set_parameter_midi_channel(%i, %i, %i)", pluginId, parameterId, channel);

  2225. 

  2226.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2227.     {

  2228.         if (parameterId < plugin->getParameterCount())

  2229.             return plugin->setParameterMidiChannel(parameterId, channel, true, false);

  2230. 

  2231.         carla_stderr2("carla_set_parameter_midi_channel(%i, %i, %i) - parameterId out of bounds", pluginId, parameterId, channel);

  2232.         return;

  2233.     }

  2234. 

  2235.     carla_stderr2("carla_set_parameter_midi_channel(%i, %i, %i) - could not find plugin", pluginId, parameterId, channel);

  2236. }

  2237. 

  2238. void carla_set_parameter_midi_cc(uint pluginId, uint32_t parameterId, int16_t cc)

  2239. {

  2240.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  2241.     CARLA_SAFE_ASSERT_RETURN(cc >= -1 && cc <= 0x5F,);

  2242.     carla_debug("carla_set_parameter_midi_cc(%i, %i, %i)", pluginId, parameterId, cc);

  2243. 

  2244.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2245.     {

  2246.         if (parameterId < plugin->getParameterCount())

  2247.             return plugin->setParameterMidiCC(parameterId, cc, true, false);

  2248. 

  2249.         carla_stderr2("carla_set_parameter_midi_cc(%i, %i, %i) - parameterId out of bounds", pluginId, parameterId, cc);

  2250.         return;

  2251.     }

  2252. 

  2253.     carla_stderr2("carla_set_parameter_midi_cc(%i, %i, %i) - could not find plugin", pluginId, parameterId, cc);

  2254. }

  2255. #endif

  2256. 

  2257. // -------------------------------------------------------------------------------------------------------------------

  2258. 

  2259. void carla_set_program(uint pluginId, uint32_t programId)

  2260. {

  2261.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  2262.     carla_debug("carla_set_program(%i, %i)", pluginId, programId);

  2263. 

  2264.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2265.     {

  2266.         if (programId < plugin->getProgramCount())

  2267.             return plugin->setProgram(static_cast<int32_t>(programId), true, true, false);

  2268. 

  2269.         carla_stderr2("carla_set_program(%i, %i) - programId out of bounds", pluginId, programId);

  2270.         return;

  2271.     }

  2272. 

  2273.     carla_stderr2("carla_set_program(%i, %i) - could not find plugin", pluginId, programId);

  2274. }

  2275. 

  2276. void carla_set_midi_program(uint pluginId, uint32_t midiProgramId)

  2277. {

  2278.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  2279.     carla_debug("carla_set_midi_program(%i, %i)", pluginId, midiProgramId);

  2280. 

  2281.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2282.     {

  2283.         if (midiProgramId < plugin->getMidiProgramCount())

  2284.             return plugin->setMidiProgram(static_cast<int32_t>(midiProgramId), true, true, false);

  2285. 

  2286.         carla_stderr2("carla_set_midi_program(%i, %i) - midiProgramId out of bounds", pluginId, midiProgramId);

  2287.         return;

  2288.     }

  2289. 

  2290.     carla_stderr2("carla_set_midi_program(%i, %i) - could not find plugin", pluginId, midiProgramId);

  2291. }

  2292. 

  2293. // -------------------------------------------------------------------------------------------------------------------

  2294. 

  2295. void carla_set_custom_data(uint pluginId, const char* type, const char* key, const char* value)

  2296. {

  2297.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  2298.     CARLA_SAFE_ASSERT_RETURN(type != nullptr && type[0] != '\0',);

  2299.     CARLA_SAFE_ASSERT_RETURN(key != nullptr && key[0] != '\0',);

  2300.     CARLA_SAFE_ASSERT_RETURN(value != nullptr,);

  2301.     carla_debug("carla_set_custom_data(%i, \"%s\", \"%s\", \"%s\")", pluginId, type, key, value);

  2302. 

  2303.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2304.         return plugin->setCustomData(type, key, value, true);

  2305. 

  2306.     carla_stderr2("carla_set_custom_data(%i, \"%s\", \"%s\", \"%s\") - could not find plugin", pluginId, type, key, value);

  2307. }

  2308. 

  2309. void carla_set_chunk_data(uint pluginId, const char* chunkData)

  2310. {

  2311.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  2312.     CARLA_SAFE_ASSERT_RETURN(chunkData != nullptr && chunkData[0] != '\0',);

  2313.     carla_debug("carla_set_chunk_data(%i, \"%s\")", pluginId, chunkData);

  2314. 

  2315.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2316.     {

  2317.         if (plugin->getOptionsEnabled() & CB::PLUGIN_OPTION_USE_CHUNKS)

  2318.         {

  2319.             std::vector<uint8_t> chunk(carla_getChunkFromBase64String(chunkData));

  2320.             return plugin->setChunkData(chunk.data(), chunk.size());

  2321.         }

  2322. 

  2323.         carla_stderr2("carla_set_chunk_data(%i, \"%s\") - plugin does not use chunks", pluginId, chunkData);

  2324.         return;

  2325.     }

  2326. 

  2327.     carla_stderr2("carla_set_chunk_data(%i, \"%s\") - could not find plugin", pluginId, chunkData);

  2328. }

  2329. 

  2330. // -------------------------------------------------------------------------------------------------------------------

  2331. 

  2332. void carla_prepare_for_save(uint pluginId)

  2333. {

  2334.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  2335.     carla_debug("carla_prepare_for_save(%i)", pluginId);

  2336. 

  2337.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2338.         return plugin->prepareForSave();

  2339. 

  2340.     carla_stderr2("carla_prepare_for_save(%i) - could not find plugin", pluginId);

  2341. }

  2342. 

  2343. void carla_reset_parameters(uint pluginId)

  2344. {

  2345.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  2346.     carla_debug("carla_reset_parameters(%i)", pluginId);

  2347. 

  2348.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2349.         return plugin->resetParameters();

  2350. 

  2351.     carla_stderr2("carla_reset_parameters(%i) - could not find plugin", pluginId);

  2352. }

  2353. 

  2354. void carla_randomize_parameters(uint pluginId)

  2355. {

  2356.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  2357.     carla_debug("carla_randomize_parameters(%i)", pluginId);

  2358. 

  2359.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2360.         return plugin->randomizeParameters();

  2361. 

  2362.     carla_stderr2("carla_randomize_parameters(%i) - could not find plugin", pluginId);

  2363. }

  2364. 

  2365. #ifndef BUILD_BRIDGE

  2366. void carla_send_midi_note(uint pluginId, uint8_t channel, uint8_t note, uint8_t velocity)

  2367. {

  2368.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr && gStandalone.engine->isRunning(),);

  2369.     carla_debug("carla_send_midi_note(%i, %i, %i, %i)", pluginId, channel, note, velocity);

  2370. 

  2371.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2372.         return plugin->sendMidiSingleNote(channel, note, velocity, true, true, false);

  2373. 

  2374.     carla_stderr2("carla_send_midi_note(%i, %i, %i, %i) - could not find plugin", pluginId, channel, note, velocity);

  2375. }

  2376. #endif

  2377. 

  2378. void carla_show_custom_ui(uint pluginId, bool yesNo)

  2379. {

  2380.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  2381.     carla_debug("carla_show_custom_ui(%i, %s)", pluginId, bool2str(yesNo));

  2382. 

  2383.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2384.         return plugin->showCustomUI(yesNo);

  2385. 

  2386.     carla_stderr2("carla_show_custom_ui(%i, %s) - could not find plugin", pluginId, bool2str(yesNo));

  2387. }

  2388. 

  2389. // -------------------------------------------------------------------------------------------------------------------

  2390. 

  2391. uint32_t carla_get_buffer_size()

  2392. {

  2393.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, 0);

  2394.     carla_debug("carla_get_buffer_size()");

  2395. 

  2396.     return gStandalone.engine->getBufferSize();

  2397. }

  2398. 

  2399. double carla_get_sample_rate()

  2400. {

  2401.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, 0.0);

  2402.     carla_debug("carla_get_sample_rate()");

  2403. 

  2404.     return gStandalone.engine->getSampleRate();

  2405. }

  2406. 

  2407. // -------------------------------------------------------------------------------------------------------------------

  2408. 

  2409. const char* carla_get_last_error()

  2410. {

  2411.     carla_debug("carla_get_last_error()");

  2412. 

  2413.     if (gStandalone.engine != nullptr)

  2414.         return gStandalone.engine->getLastError();

  2415. 

  2416.     return gStandalone.lastError;

  2417. }

  2418. 

  2419. const char* carla_get_host_osc_url_tcp()

  2420. {

  2421.     carla_debug("carla_get_host_osc_url_tcp()");

  2422. 

  2423.     if (gStandalone.engine == nullptr)

  2424.     {

  2425.         carla_stderr2("Engine is not running");

  2426.         gStandalone.lastError = "Engine is not running";

  2427.         return nullptr;

  2428.     }

  2429. 

  2430.     return gStandalone.engine->getOscServerPathTCP();

  2431. }

  2432. 

  2433. const char* carla_get_host_osc_url_udp()

  2434. {

  2435.     carla_debug("carla_get_host_osc_url_udp()");

  2436. 

  2437.     if (gStandalone.engine == nullptr)

  2438.     {

  2439.         carla_stderr2("Engine is not running");

  2440.         gStandalone.lastError = "Engine is not running";

  2441.         return nullptr;

  2442.     }

  2443. 

  2444.     return gStandalone.engine->getOscServerPathUDP();

  2445. }

  2446. 

  2447. // -------------------------------------------------------------------------------------------------------------------

  2448. 

  2449. const char* carla_get_library_filename()

  2450. {

  2451.     carla_debug("carla_get_library_filename()");

  2452. 

  2453.     static CarlaString ret;

  2454. 

  2455.     if (ret.isEmpty())

  2456.     {

  2457.         using juce::File;

  2458.         ret = File(File::getSpecialLocation(File::currentExecutableFile)).getFullPathName().toRawUTF8();

  2459.     }

  2460. 

  2461.     return ret;

  2462. }

  2463. 

  2464. const char* carla_get_library_folder()

  2465. {

  2466.     carla_debug("carla_get_library_folder()");

  2467. 

  2468.     static CarlaString ret;

  2469. 

  2470.     if (ret.isEmpty())

  2471.     {

  2472.         using juce::File;

  2473.         ret = File(File::getSpecialLocation(File::currentExecutableFile).getParentDirectory()).getFullPathName().toRawUTF8();

  2474.     }

  2475. 

  2476.     return ret;

  2477. }

  2478. 

  2479. // -------------------------------------------------------------------------------------------------------------------

  2480. 

  2481. #include "CarlaPluginUI.cpp"

  2482. #include "CarlaDssiUtils.cpp"

  2483. #include "CarlaStateUtils.cpp"

  2484. #include "CarlaJuceEvents.cpp"

  2485. 

  2486. // -------------------------------------------------------------------------------------------------------------------