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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) 2011-2019 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. 

  24. #include "CarlaEngine.hpp"

  25. #include "CarlaPlugin.hpp"

  26. 

  27. #include "CarlaBackendUtils.hpp"

  28. #include "CarlaBase64Utils.hpp"

  29. 

  30. #ifdef CARLA_OS_UNIX

  31. # include "CarlaLibUtils.hpp"

  32. #endif

  33. 

  34. #ifdef BUILD_BRIDGE

  35. # include "water/files/File.h"

  36. #else

  37. # include "CarlaLogThread.hpp"

  38. #endif

  39. 

  40. #ifdef USING_JUCE

  41. # if defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6))

  42. #  pragma GCC diagnostic push

  43. #  pragma GCC diagnostic ignored "-Wconversion"

  44. #  pragma GCC diagnostic ignored "-Weffc++"

  45. #  pragma GCC diagnostic ignored "-Wsign-conversion"

  46. #  pragma GCC diagnostic ignored "-Wundef"

  47. # endif

  48. 

  49. # include "AppConfig.h"

  50. # include "juce_events/juce_events.h"

  51. 

  52. # if defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6))

  53. #  pragma GCC diagnostic pop

  54. # endif

  55. #endif

  56. 

  57. #define CARLA_SAFE_ASSERT_WITH_LAST_ERROR_RETURN(cond, msg, ret) \

  58.     if (! (cond)) {                                              \

  59.         carla_stderr2("%s: " msg, __FUNCTION__);                 \

  60.         gStandalone.lastError = msg;                             \

  61.         return ret;                                              \

  62.     }

  63. 

  64. namespace CB = CarlaBackend;

  65. using CB::EngineOptions;

  66. 

  67. // --------------------------------------------------------------------------------------------------------------------

  68. // Single, standalone engine

  69. 

  70. struct CarlaBackendStandalone {

  71.     CarlaEngine*       engine;

  72.     EngineCallbackFunc engineCallback;

  73.     void*              engineCallbackPtr;

  74. #ifndef BUILD_BRIDGE

  75.     EngineOptions      engineOptions;

  76.     CarlaLogThread     logThread;

  77.     bool               logThreadEnabled;

  78. #endif

  79. 

  80.     FileCallbackFunc fileCallback;

  81.     void*            fileCallbackPtr;

  82. 

  83.     CarlaString lastError;

  84. 

  85.     CarlaBackendStandalone() noexcept

  86.         : engine(nullptr),

  87.           engineCallback(nullptr),

  88.           engineCallbackPtr(nullptr),

  89. #ifndef BUILD_BRIDGE

  90.           engineOptions(),

  91.           logThread(),

  92.           logThreadEnabled(false),

  93. #endif

  94.           fileCallback(nullptr),

  95.           fileCallbackPtr(nullptr),

  96.           lastError() {}

  97. 

  98.     ~CarlaBackendStandalone() noexcept

  99.     {

  100.         CARLA_SAFE_ASSERT(engine == nullptr);

  101.     }

  102. 

  103.     CARLA_PREVENT_HEAP_ALLOCATION

  104.     CARLA_DECLARE_NON_COPY_STRUCT(CarlaBackendStandalone)

  105. };

  106. 

  107. CarlaBackendStandalone gStandalone;

  108. 

  109. #ifdef CARLA_OS_UNIX

  110. // --------------------------------------------------------------------------------------------------------------------

  111. // Thread-safe fftw

  112. 

  113. typedef void (*void_func)(void);

  114. 

  115. class ThreadSafeFFTW

  116. {

  117. public:

  118.     struct Deinitializer {

  119.         Deinitializer(ThreadSafeFFTW& s)

  120.             : tsfftw(s) {}

  121. 

  122.         ~Deinitializer()

  123.         {

  124.             tsfftw.deinit();

  125.         }

  126. 

  127.         ThreadSafeFFTW& tsfftw;

  128.     };

  129. 

  130.     ThreadSafeFFTW()

  131.         : initialized(false),

  132.           libfftw3(nullptr),

  133.           libfftw3f(nullptr),

  134.           libfftw3l(nullptr),

  135.           libfftw3q(nullptr) {}

  136. 

  137.     ~ThreadSafeFFTW()

  138.     {

  139.         CARLA_SAFE_ASSERT(libfftw3 == nullptr);

  140.     }

  141. 

  142.     void init()

  143.     {

  144.         if (initialized)

  145.             return;

  146.         initialized = true;

  147. 

  148.         if ((libfftw3 = lib_open("libfftw3_threads.so.3")) != nullptr)

  149.             if (const void_func func = lib_symbol<void_func>(libfftw3, "fftw_make_planner_thread_safe"))

  150.                 func();

  151. 

  152.         if ((libfftw3f = lib_open("libfftw3f_threads.so.3")) != nullptr)

  153.             if (const void_func func = lib_symbol<void_func>(libfftw3f, "fftwf_make_planner_thread_safe"))

  154.                 func();

  155. 

  156.         if ((libfftw3l = lib_open("libfftw3l_threads.so.3")) != nullptr)

  157.             if (const void_func func = lib_symbol<void_func>(libfftw3l, "fftwl_make_planner_thread_safe"))

  158.                 func();

  159. 

  160.         if ((libfftw3q = lib_open("libfftw3q_threads.so.3")) != nullptr)

  161.             if (const void_func func = lib_symbol<void_func>(libfftw3q, "fftwq_make_planner_thread_safe"))

  162.                 func();

  163.     }

  164. 

  165.     void deinit()

  166.     {

  167.         if (! initialized)

  168.             return;

  169.         initialized = false;

  170. 

  171.         if (libfftw3 != nullptr)

  172.         {

  173.             lib_close(libfftw3);

  174.             libfftw3 = nullptr;

  175.         }

  176. 

  177.         if (libfftw3f != nullptr)

  178.         {

  179.             lib_close(libfftw3f);

  180.             libfftw3f = nullptr;

  181.         }

  182. 

  183.         if (libfftw3l != nullptr)

  184.         {

  185.             lib_close(libfftw3l);

  186.             libfftw3l = nullptr;

  187.         }

  188. 

  189.         if (libfftw3q != nullptr)

  190.         {

  191.             lib_close(libfftw3q);

  192.             libfftw3q = nullptr;

  193.         }

  194.     }

  195. 

  196. private:

  197.     bool initialized;

  198.     lib_t libfftw3;

  199.     lib_t libfftw3f;

  200.     lib_t libfftw3l;

  201.     lib_t libfftw3q;

  202. 

  203.     CARLA_DECLARE_NON_COPY_CLASS(ThreadSafeFFTW)

  204. };

  205. 

  206. static ThreadSafeFFTW sThreadSafeFFTW;

  207. #endif

  208. 

  209. // --------------------------------------------------------------------------------------------------------------------

  210. // API

  211. 

  212. #define CARLA_COMMON_NEED_CHECKSTRINGPTR

  213. #include "CarlaHostCommon.cpp"

  214. #undef CARLA_COMMON_NEED_CHECKSTRINGPTR

  215. 

  216. // --------------------------------------------------------------------------------------------------------------------

  217. 

  218. uint carla_get_engine_driver_count()

  219. {

  220.     carla_debug("carla_get_engine_driver_count()");

  221. 

  222.     return CarlaEngine::getDriverCount();

  223. }

  224. 

  225. const char* carla_get_engine_driver_name(uint index)

  226. {

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

  228. 

  229.     return CarlaEngine::getDriverName(index);

  230. }

  231. 

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

  233. {

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

  235. 

  236.     return CarlaEngine::getDriverDeviceNames(index);

  237. }

  238. 

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

  240. {

  241.     CARLA_SAFE_ASSERT_RETURN(name != nullptr, nullptr);

  242. 

  243.     static EngineDriverDeviceInfo retDevInfo;

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

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

  246. 

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

  248. 

  249.     if (const EngineDriverDeviceInfo* const devInfo = CarlaEngine::getDriverDeviceInfo(index, name))

  250.     {

  251.         retDevInfo.hints       =  devInfo->hints;

  252.         retDevInfo.bufferSizes = (devInfo->bufferSizes != nullptr) ? devInfo->bufferSizes : nullBufferSizes;

  253.         retDevInfo.sampleRates = (devInfo->sampleRates != nullptr) ? devInfo->sampleRates : nullSampleRates;

  254.     }

  255.     else

  256.     {

  257.         retDevInfo.hints       = 0x0;

  258.         retDevInfo.bufferSizes = nullBufferSizes;

  259.         retDevInfo.sampleRates = nullSampleRates;

  260.     }

  261. 

  262.     return &retDevInfo;

  263. }

  264. 

  265. // --------------------------------------------------------------------------------------------------------------------

  266. 

  267. CarlaEngine* carla_get_engine()

  268. {

  269.     carla_debug("carla_get_engine()");

  270. 

  271.     return gStandalone.engine;

  272. }

  273. 

  274. // --------------------------------------------------------------------------------------------------------------------

  275. 

  276. static void carla_engine_init_common(CarlaEngine* const engine)

  277. {

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

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

  280. 

  281. #ifdef BUILD_BRIDGE

  282.     using water::File;

  283.     File waterBinaryDir(File::getSpecialLocation(File::currentExecutableFile).getParentDirectory());

  284. 

  285.     /*

  286.     if (const char* const uisAlwaysOnTop = std::getenv("ENGINE_OPTION_FORCE_STEREO"))

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

  288. 

  289.     if (const char* const uisAlwaysOnTop = std::getenv("ENGINE_OPTION_PREFER_PLUGIN_BRIDGES"))

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

  291. 

  292.     if (const char* const uisAlwaysOnTop = std::getenv("ENGINE_OPTION_PREFER_UI_BRIDGES"))

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

  294.     */

  295. 

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

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

  298. 

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

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

  301. 

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

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

  304. 

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

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

  307. 

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

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

  310. 

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

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

  313. 

  314.     if (const char* const pathVST2 = std::getenv("ENGINE_OPTION_PLUGIN_PATH_VST2"))

  315.         engine->setOption(CB::ENGINE_OPTION_PLUGIN_PATH, CB::PLUGIN_VST2, pathVST2);

  316. 

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

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

  319. 

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

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

  322. 

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

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

  325. 

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

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

  328.     else

  329.         engine->setOption(CB::ENGINE_OPTION_PATH_BINARIES,   0, waterBinaryDir.getFullPathName().toRawUTF8());

  330. 

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

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

  333.     else

  334.         engine->setOption(CB::ENGINE_OPTION_PATH_RESOURCES,  0, waterBinaryDir.getChildFile("resources").getFullPathName().toRawUTF8());

  335. 

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

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

  338. 

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

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

  341. #else

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

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

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

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

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

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

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

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

  350.     engine->setOption(CB::ENGINE_OPTION_AUDIO_TRIPLE_BUFFER,   gStandalone.engineOptions.audioTripleBuffer   ? 1 : 0,        nullptr);

  351. 

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

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

  354. 

  355.     engine->setOption(CB::ENGINE_OPTION_OSC_ENABLED,  gStandalone.engineOptions.oscEnabled, nullptr);

  356.     engine->setOption(CB::ENGINE_OPTION_OSC_PORT_TCP, gStandalone.engineOptions.oscPortTCP, nullptr);

  357.     engine->setOption(CB::ENGINE_OPTION_OSC_PORT_UDP, gStandalone.engineOptions.oscPortUDP, nullptr);

  358. 

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

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

  361. 

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

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

  364. 

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

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

  367. 

  368.     if (gStandalone.engineOptions.pathVST2 != nullptr)

  369.         engine->setOption(CB::ENGINE_OPTION_PLUGIN_PATH,       CB::PLUGIN_VST2, gStandalone.engineOptions.pathVST2);

  370. 

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

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

  373. 

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

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

  376. 

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

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

  379. 

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

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

  382. 

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

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

  385. 

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

  387. 

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

  389.     {

  390.         char strBuf[STR_MAX+1];

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

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

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

  394.     }

  395.     else

  396.     {

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

  398.     }

  399. 

  400. # ifndef CARLA_OS_WIN

  401.     if (gStandalone.engineOptions.wine.executable != nullptr && gStandalone.engineOptions.wine.executable[0] != '\0')

  402.         engine->setOption(CB::ENGINE_OPTION_WINE_EXECUTABLE, 0, gStandalone.engineOptions.wine.executable);

  403. 

  404.     engine->setOption(CB::ENGINE_OPTION_WINE_AUTO_PREFIX, gStandalone.engineOptions.wine.autoPrefix ? 1 : 0, nullptr);

  405. 

  406.     if (gStandalone.engineOptions.wine.fallbackPrefix != nullptr && gStandalone.engineOptions.wine.fallbackPrefix[0] != '\0')

  407.         engine->setOption(CB::ENGINE_OPTION_WINE_FALLBACK_PREFIX, 0, gStandalone.engineOptions.wine.fallbackPrefix);

  408. 

  409.     engine->setOption(CB::ENGINE_OPTION_WINE_RT_PRIO_ENABLED, gStandalone.engineOptions.wine.rtPrio ? 1 : 0, nullptr);

  410.     engine->setOption(CB::ENGINE_OPTION_WINE_BASE_RT_PRIO, gStandalone.engineOptions.wine.baseRtPrio, nullptr);

  411.     engine->setOption(CB::ENGINE_OPTION_WINE_SERVER_RT_PRIO, gStandalone.engineOptions.wine.serverRtPrio, nullptr);

  412. # endif

  413. #endif

  414. }

  415. 

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

  417. {

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

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

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

  421. 

  422.     CARLA_SAFE_ASSERT_WITH_LAST_ERROR_RETURN(gStandalone.engine == nullptr, "Engine is already initialized", false);

  423. 

  424. #ifdef CARLA_OS_WIN

  425.     carla_setenv("WINEASIO_CLIENT_NAME", clientName);

  426. #endif

  427. 

  428. #ifdef USING_JUCE

  429.     juce::initialiseJuce_GUI();

  430. #endif

  431. 

  432.     CarlaEngine* const engine = CarlaEngine::newDriverByName(driverName);

  433.     CARLA_SAFE_ASSERT_WITH_LAST_ERROR_RETURN(engine != nullptr, "The seleted audio driver is not available", false);

  434. 

  435.     gStandalone.engine = engine;

  436. 

  437. #ifdef BUILD_BRIDGE

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

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

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

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

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

  443. #else

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

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

  446. #endif

  447. 

  448.     carla_engine_init_common(engine);

  449. 

  450.     if (engine->init(clientName))

  451.     {

  452. #ifndef BUILD_BRIDGE

  453.         if (gStandalone.logThreadEnabled && std::getenv("CARLA_LOGS_DISABLED") == nullptr)

  454.             gStandalone.logThread.init();

  455. #endif

  456. #ifdef CARLA_OS_UNIX

  457.         sThreadSafeFFTW.init();

  458. #endif

  459.         gStandalone.lastError = "No error";

  460.         return true;

  461.     }

  462.     else

  463.     {

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

  465.         gStandalone.engine = nullptr;

  466.         delete engine;

  467. #ifdef USING_JUCE

  468.         juce::shutdownJuce_GUI();

  469. #endif

  470.         return false;

  471.     }

  472. }

  473. 

  474. #ifdef BUILD_BRIDGE

  475. bool carla_engine_init_bridge(const char audioBaseName[6+1], const char rtClientBaseName[6+1], const char nonRtClientBaseName[6+1],

  476.                               const char nonRtServerBaseName[6+1], const char* clientName)

  477. {

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

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

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

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

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

  483.     carla_debug("carla_engine_init_bridge(\"%s\", \"%s\", \"%s\", \"%s\", \"%s\")", audioBaseName, rtClientBaseName, nonRtClientBaseName, nonRtServerBaseName, clientName);

  484. 

  485.     CARLA_SAFE_ASSERT_WITH_LAST_ERROR_RETURN(gStandalone.engine == nullptr, "Engine is already initialized", false);

  486. 

  487.     ScopedPointer<CarlaEngine> engine(CarlaEngine::newBridge(audioBaseName,

  488.                                                              rtClientBaseName,

  489.                                                              nonRtClientBaseName,

  490.                                                              nonRtServerBaseName));

  491. 

  492.     CARLA_SAFE_ASSERT_WITH_LAST_ERROR_RETURN(engine != nullptr, "The seleted audio driver is not available", false);

  493. 

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

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

  496. 

  497.     carla_engine_init_common(engine);

  498. 

  499.     if (engine->init(clientName))

  500.     {

  501.         gStandalone.lastError = "No error";

  502.         gStandalone.engine = engine.release();

  503.         return true;

  504.     }

  505.     else

  506.     {

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

  508.         return false;

  509.     }

  510. }

  511. #endif

  512. 

  513. bool carla_engine_close()

  514. {

  515.     carla_debug("carla_engine_close()");

  516. 

  517.     CARLA_SAFE_ASSERT_WITH_LAST_ERROR_RETURN(gStandalone.engine != nullptr, "Engine is not initialized", false);

  518. 

  519. #ifdef CARLA_OS_UNIX

  520.     const ThreadSafeFFTW::Deinitializer tsfftwde(sThreadSafeFFTW);

  521. #endif

  522. 

  523.     ScopedPointer<CarlaEngine> engine(gStandalone.engine);

  524.     gStandalone.engine = nullptr;

  525. 

  526.     engine->setAboutToClose();

  527.     engine->removeAllPlugins();

  528. 

  529.     const bool closed = engine->close();

  530. 

  531.     if (! closed)

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

  533. 

  534. #ifndef BUILD_BRIDGE

  535.     gStandalone.logThread.stop();

  536. # ifdef USING_JUCE

  537.     juce::shutdownJuce_GUI();

  538. # endif

  539. #endif

  540. 

  541.     return closed;

  542. }

  543. 

  544. void carla_engine_idle()

  545. {

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

  547. 

  548.     gStandalone.engine->idle();

  549. 

  550. #if defined(USING_JUCE) && !(defined(CARLA_OS_MAC) || defined(CARLA_OS_WIN))

  551.     const juce::MessageManager* const msgMgr(juce::MessageManager::getInstanceWithoutCreating());

  552.     CARLA_SAFE_ASSERT_RETURN(msgMgr != nullptr,);

  553. 

  554.     for (; msgMgr->dispatchNextMessageOnSystemQueue(true);) {}

  555. #endif

  556. }

  557. 

  558. bool carla_is_engine_running()

  559. {

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

  561. }

  562. 

  563. const CarlaRuntimeEngineInfo* carla_get_runtime_engine_info()

  564. {

  565.     static CarlaRuntimeEngineInfo retInfo;

  566. 

  567.     // reset

  568.     retInfo.load = 0.0f;

  569.     retInfo.xruns = 0;

  570. 

  571.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, &retInfo);

  572. 

  573.     retInfo.load = gStandalone.engine->getDSPLoad();

  574.     retInfo.xruns = gStandalone.engine->getTotalXruns();

  575. 

  576.     return &retInfo;

  577. }

  578. 

  579. void carla_clear_engine_xruns()

  580. {

  581.     if (gStandalone.engine != nullptr)

  582.         gStandalone.engine->clearXruns();

  583. }

  584. 

  585. void carla_cancel_engine_action()

  586. {

  587.     if (gStandalone.engine != nullptr)

  588.         gStandalone.engine->setActionCanceled(true);

  589. }

  590. 

  591. bool carla_set_engine_about_to_close()

  592. {

  593.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, true);

  594.     carla_debug("carla_set_engine_about_to_close()");

  595. 

  596.     return gStandalone.engine->setAboutToClose();

  597. }

  598. 

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

  600. {

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

  602. 

  603.     gStandalone.engineCallback    = func;

  604.     gStandalone.engineCallbackPtr = ptr;

  605. 

  606. #ifndef BUILD_BRIDGE

  607.     gStandalone.logThread.setCallback(func, ptr);

  608. #endif

  609. 

  610.     if (gStandalone.engine != nullptr)

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

  612. }

  613. 

  614. #ifndef BUILD_BRIDGE

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

  616. {

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

  618. 

  619.     switch (option)

  620.     {

  621.     case CB::ENGINE_OPTION_DEBUG:

  622.         break;

  623. 

  624.     case CB::ENGINE_OPTION_PROCESS_MODE:

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

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

  627.         break;

  628. 

  629.     case CB::ENGINE_OPTION_TRANSPORT_MODE:

  630.         CARLA_SAFE_ASSERT_RETURN(value >= CB::ENGINE_TRANSPORT_MODE_DISABLED && value <= CB::ENGINE_TRANSPORT_MODE_BRIDGE,);

  631. 

  632.         if (value != CB::ENGINE_TRANSPORT_MODE_JACK)

  633.         {

  634.             // jack transport cannot be disabled in multi-client

  635.             if (gStandalone.engineCallback != nullptr)

  636.                 gStandalone.engineCallback(gStandalone.engineCallbackPtr,

  637.                                            CB::ENGINE_CALLBACK_TRANSPORT_MODE_CHANGED,

  638.                                            0,

  639.                                            CB::ENGINE_TRANSPORT_MODE_JACK,

  640.                                            0, 0, 0.0f,

  641.                                            gStandalone.engineOptions.transportExtra);

  642.             CARLA_SAFE_ASSERT_RETURN(gStandalone.engineOptions.processMode != CB::ENGINE_PROCESS_MODE_MULTIPLE_CLIENTS,);

  643.         }

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

  645. 

  646.         delete[] gStandalone.engineOptions.transportExtra;

  647.         if (value != CB::ENGINE_TRANSPORT_MODE_DISABLED && valueStr != nullptr)

  648.             gStandalone.engineOptions.transportExtra = carla_strdup_safe(valueStr);

  649.         else

  650.             gStandalone.engineOptions.transportExtra = nullptr;

  651.         break;

  652. 

  653.     case CB::ENGINE_OPTION_FORCE_STEREO:

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

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

  656.         break;

  657. 

  658.     case CB::ENGINE_OPTION_PREFER_PLUGIN_BRIDGES:

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

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

  661.         break;

  662. 

  663.     case CB::ENGINE_OPTION_PREFER_UI_BRIDGES:

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

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

  666.         break;

  667. 

  668.     case CB::ENGINE_OPTION_UIS_ALWAYS_ON_TOP:

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

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

  671.         break;

  672. 

  673.     case CB::ENGINE_OPTION_MAX_PARAMETERS:

  674.         CARLA_SAFE_ASSERT_RETURN(value >= 0,);

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

  676.         break;

  677. 

  678.     case CB::ENGINE_OPTION_UI_BRIDGES_TIMEOUT:

  679.         CARLA_SAFE_ASSERT_RETURN(value >= 0,);

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

  681.         break;

  682. 

  683.     case CB::ENGINE_OPTION_AUDIO_BUFFER_SIZE:

  684.         CARLA_SAFE_ASSERT_RETURN(value >= 8,);

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

  686.         break;

  687. 

  688.     case CB::ENGINE_OPTION_AUDIO_SAMPLE_RATE:

  689.         CARLA_SAFE_ASSERT_RETURN(value >= 22050,);

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

  691.         break;

  692. 

  693.     case CB::ENGINE_OPTION_AUDIO_TRIPLE_BUFFER:

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

  695.         gStandalone.engineOptions.audioTripleBuffer = (value != 0);

  696.         break;

  697. 

  698.     case CB::ENGINE_OPTION_AUDIO_DEVICE:

  699.         CARLA_SAFE_ASSERT_RETURN(valueStr != nullptr,);

  700. 

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

  702.             delete[] gStandalone.engineOptions.audioDevice;

  703. 

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

  705.         break;

  706. 

  707.     case CB::ENGINE_OPTION_OSC_ENABLED:

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

  709.         gStandalone.engineOptions.oscEnabled = (value != 0);

  710.         break;

  711. 

  712.     case CB::ENGINE_OPTION_OSC_PORT_TCP:

  713.         CARLA_SAFE_ASSERT_RETURN(value <= 0 || value >= 1024,);

  714.         gStandalone.engineOptions.oscPortTCP = value;

  715.         break;

  716. 

  717.     case CB::ENGINE_OPTION_OSC_PORT_UDP:

  718.         CARLA_SAFE_ASSERT_RETURN(value <= 0 || value >= 1024,);

  719.         gStandalone.engineOptions.oscPortUDP = value;

  720.         break;

  721. 

  722.     case CB::ENGINE_OPTION_PLUGIN_PATH:

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

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

  725.         CARLA_SAFE_ASSERT_RETURN(valueStr != nullptr,);

  726. 

  727.         switch (value)

  728.         {

  729.         case CB::PLUGIN_LADSPA:

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

  731.                 delete[] gStandalone.engineOptions.pathLADSPA;

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

  733.             break;

  734.         case CB::PLUGIN_DSSI:

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

  736.                 delete[] gStandalone.engineOptions.pathDSSI;

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

  738.             break;

  739.         case CB::PLUGIN_LV2:

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

  741.                 delete[] gStandalone.engineOptions.pathLV2;

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

  743.             break;

  744.         case CB::PLUGIN_VST2:

  745.             if (gStandalone.engineOptions.pathVST2 != nullptr)

  746.                 delete[] gStandalone.engineOptions.pathVST2;

  747.             gStandalone.engineOptions.pathVST2 = carla_strdup_safe(valueStr);

  748.             break;

  749.         case CB::PLUGIN_VST3:

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

  751.                 delete[] gStandalone.engineOptions.pathVST3;

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

  753.             break;

  754.         case CB::PLUGIN_SF2:

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

  756.                 delete[] gStandalone.engineOptions.pathSF2;

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

  758.             break;

  759.         case CB::PLUGIN_SFZ:

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

  761.                 delete[] gStandalone.engineOptions.pathSFZ;

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

  763.             break;

  764.         }

  765.         break;

  766. 

  767.     case CB::ENGINE_OPTION_PATH_BINARIES:

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

  769. 

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

  771.             delete[] gStandalone.engineOptions.binaryDir;

  772. 

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

  774.         break;

  775. 

  776.     case CB::ENGINE_OPTION_PATH_RESOURCES:

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

  778. 

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

  780.             delete[] gStandalone.engineOptions.resourceDir;

  781. 

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

  783.         break;

  784. 

  785.     case CB::ENGINE_OPTION_PREVENT_BAD_BEHAVIOUR:

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

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

  788.         break;

  789. 

  790.     case CB::ENGINE_OPTION_FRONTEND_WIN_ID: {

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

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

  793.         CARLA_SAFE_ASSERT_RETURN(winId >= 0,);

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

  795.     }   break;

  796. 

  797. #ifndef CARLA_OS_WIN

  798.     case CB::ENGINE_OPTION_WINE_EXECUTABLE:

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

  800. 

  801.         if (gStandalone.engineOptions.wine.executable != nullptr)

  802.             delete[] gStandalone.engineOptions.wine.executable;

  803. 

  804.         gStandalone.engineOptions.wine.executable = carla_strdup_safe(valueStr);

  805.         break;

  806. 

  807.     case CB::ENGINE_OPTION_WINE_AUTO_PREFIX:

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

  809.         gStandalone.engineOptions.wine.autoPrefix = (value != 0);

  810.         break;

  811. 

  812.     case CB::ENGINE_OPTION_WINE_FALLBACK_PREFIX:

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

  814. 

  815.         if (gStandalone.engineOptions.wine.fallbackPrefix != nullptr)

  816.             delete[] gStandalone.engineOptions.wine.fallbackPrefix;

  817. 

  818.         gStandalone.engineOptions.wine.fallbackPrefix = carla_strdup_safe(valueStr);

  819.         break;

  820. 

  821.     case CB::ENGINE_OPTION_WINE_RT_PRIO_ENABLED:

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

  823.         gStandalone.engineOptions.wine.rtPrio = (value != 0);

  824.         break;

  825. 

  826.     case CB::ENGINE_OPTION_WINE_BASE_RT_PRIO:

  827.         CARLA_SAFE_ASSERT_RETURN(value >= 1 && value <= 89,);

  828.         gStandalone.engineOptions.wine.baseRtPrio = value;

  829.         break;

  830. 

  831.     case CB::ENGINE_OPTION_WINE_SERVER_RT_PRIO:

  832.         CARLA_SAFE_ASSERT_RETURN(value >= 1 && value <= 99,);

  833.         gStandalone.engineOptions.wine.serverRtPrio = value;

  834.         break;

  835. #endif

  836. 

  837.     case CB::ENGINE_OPTION_DEBUG_CONSOLE_OUTPUT:

  838.         gStandalone.logThreadEnabled = (value != 0);

  839.         break;

  840.     }

  841. 

  842.     if (gStandalone.engine != nullptr)

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

  844. }

  845. #endif

  846. 

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

  848. {

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

  850. 

  851.     gStandalone.fileCallback    = func;

  852.     gStandalone.fileCallbackPtr = ptr;

  853. 

  854.     if (gStandalone.engine != nullptr)

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

  856. }

  857. 

  858. // --------------------------------------------------------------------------------------------------------------------

  859. 

  860. bool carla_load_file(const char* filename)

  861. {

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

  863.     CARLA_SAFE_ASSERT_WITH_LAST_ERROR_RETURN(gStandalone.engine != nullptr, "Engine is not initialized", false);

  864. 

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

  866. 

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

  868. }

  869. 

  870. bool carla_load_project(const char* filename)

  871. {

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

  873.     CARLA_SAFE_ASSERT_WITH_LAST_ERROR_RETURN(gStandalone.engine != nullptr, "Engine is not initialized", false);

  874. 

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

  876. 

  877.     return gStandalone.engine->loadProject(filename, true);

  878. }

  879. 

  880. bool carla_save_project(const char* filename)

  881. {

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

  883.     CARLA_SAFE_ASSERT_WITH_LAST_ERROR_RETURN(gStandalone.engine != nullptr, "Engine is not initialized", false);

  884. 

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

  886. 

  887.     return gStandalone.engine->saveProject(filename, true);

  888. }

  889. 

  890. #ifndef BUILD_BRIDGE

  891. void carla_clear_project_filename()

  892. {

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

  894. 

  895.     carla_debug("carla_clear_project_filename()");

  896. 

  897.     gStandalone.engine->clearCurrentProjectFilename();

  898. }

  899. 

  900. // --------------------------------------------------------------------------------------------------------------------

  901. 

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

  903. {

  904.     CARLA_SAFE_ASSERT_WITH_LAST_ERROR_RETURN(gStandalone.engine != nullptr, "Engine is not initialized", false);

  905. 

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

  907. 

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

  909. }

  910. 

  911. bool carla_patchbay_disconnect(uint connectionId)

  912. {

  913.     CARLA_SAFE_ASSERT_WITH_LAST_ERROR_RETURN(gStandalone.engine != nullptr, "Engine is not initialized", false);

  914. 

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

  916. 

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

  918. }

  919. 

  920. bool carla_patchbay_refresh(bool external)

  921. {

  922.     CARLA_SAFE_ASSERT_WITH_LAST_ERROR_RETURN(gStandalone.engine != nullptr, "Engine is not initialized", false);

  923. 

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

  925. 

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

  927. }

  928. 

  929. // --------------------------------------------------------------------------------------------------------------------

  930. 

  931. void carla_transport_play()

  932. {

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

  934. 

  935.     carla_debug("carla_transport_play()");

  936. 

  937.     gStandalone.engine->transportPlay();

  938. }

  939. 

  940. void carla_transport_pause()

  941. {

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

  943. 

  944.     carla_debug("carla_transport_pause()");

  945. 

  946.     gStandalone.engine->transportPause();

  947. }

  948. 

  949. void carla_transport_bpm(double bpm)

  950. {

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

  952. 

  953.     carla_debug("carla_transport_bpm(%f)", bpm);

  954. 

  955.     gStandalone.engine->transportBPM(bpm);

  956. }

  957. 

  958. void carla_transport_relocate(uint64_t frame)

  959. {

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

  961. 

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

  963. 

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

  965. }

  966. 

  967. uint64_t carla_get_current_transport_frame()

  968. {

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

  970. 

  971.     return gStandalone.engine->getTimeInfo().frame;

  972. }

  973. 

  974. const CarlaTransportInfo* carla_get_transport_info()

  975. {

  976.     static CarlaTransportInfo retTransInfo;

  977.     retTransInfo.clear();

  978. 

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

  980. 

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

  982. 

  983.     retTransInfo.playing = timeInfo.playing;

  984.     retTransInfo.frame   = timeInfo.frame;

  985. 

  986.     if (timeInfo.bbt.valid)

  987.     {

  988.         retTransInfo.bar  = timeInfo.bbt.bar;

  989.         retTransInfo.beat = timeInfo.bbt.beat;

  990.         retTransInfo.tick = static_cast<int32_t>(timeInfo.bbt.tick + 0.5);

  991.         retTransInfo.bpm  = timeInfo.bbt.beatsPerMinute;

  992.     }

  993. 

  994.     return &retTransInfo;

  995. }

  996. #endif

  997. 

  998. // --------------------------------------------------------------------------------------------------------------------

  999. 

  1000. uint32_t carla_get_current_plugin_count()

  1001. {

  1002.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, 0);

  1003. 

  1004.     carla_debug("carla_get_current_plugin_count()");

  1005. 

  1006.     return gStandalone.engine->getCurrentPluginCount();

  1007. }

  1008. 

  1009. uint32_t carla_get_max_plugin_number()

  1010. {

  1011.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, 0);

  1012. 

  1013.     carla_debug("carla_get_max_plugin_number()");

  1014. 

  1015.     return gStandalone.engine->getMaxPluginNumber();

  1016. }

  1017. 

  1018. // --------------------------------------------------------------------------------------------------------------------

  1019. 

  1020. bool carla_add_plugin(BinaryType btype, PluginType ptype,

  1021.                       const char* filename, const char* name, const char* label, int64_t uniqueId,

  1022.                       const void* extraPtr, uint options)

  1023. {

  1024.     CARLA_SAFE_ASSERT_WITH_LAST_ERROR_RETURN(gStandalone.engine != nullptr, "Engine is not initialized", false);

  1025. 

  1026.     carla_debug("carla_add_plugin(%i:%s, %i:%s, \"%s\", \"%s\", \"%s\", " P_INT64 ", %p, %u)",

  1027.                 btype, CB::BinaryType2Str(btype),

  1028.                 ptype, CB::PluginType2Str(ptype),

  1029.                 filename, name, label, uniqueId, extraPtr, options);

  1030. 

  1031.     return gStandalone.engine->addPlugin(btype, ptype, filename, name, label, uniqueId, extraPtr, options);

  1032. }

  1033. 

  1034. bool carla_remove_plugin(uint pluginId)

  1035. {

  1036.     CARLA_SAFE_ASSERT_WITH_LAST_ERROR_RETURN(gStandalone.engine != nullptr, "Engine is not initialized", false);

  1037. 

  1038.     carla_debug("carla_remove_plugin(%i)", pluginId);

  1039. 

  1040.     return gStandalone.engine->removePlugin(pluginId);

  1041. }

  1042. 

  1043. bool carla_remove_all_plugins()

  1044. {

  1045.     CARLA_SAFE_ASSERT_WITH_LAST_ERROR_RETURN(gStandalone.engine != nullptr, "Engine is not initialized", false);

  1046. 

  1047.     carla_debug("carla_remove_all_plugins()");

  1048. 

  1049.     return gStandalone.engine->removeAllPlugins();

  1050. }

  1051. 

  1052. #ifndef BUILD_BRIDGE

  1053. const char* carla_rename_plugin(uint pluginId, const char* newName)

  1054. {

  1055.     CARLA_SAFE_ASSERT_RETURN(newName != nullptr && newName[0] != '\0', nullptr);

  1056.     CARLA_SAFE_ASSERT_WITH_LAST_ERROR_RETURN(gStandalone.engine != nullptr, "Engine is not initialized", nullptr);

  1057. 

  1058.     carla_debug("carla_rename_plugin(%i, \"%s\")", pluginId, newName);

  1059. 

  1060.     return gStandalone.engine->renamePlugin(pluginId, newName);

  1061. }

  1062. 

  1063. bool carla_clone_plugin(uint pluginId)

  1064. {

  1065.     CARLA_SAFE_ASSERT_WITH_LAST_ERROR_RETURN(gStandalone.engine != nullptr, "Engine is not initialized", false);

  1066. 

  1067.     carla_debug("carla_clone_plugin(%i)", pluginId);

  1068. 

  1069.     return gStandalone.engine->clonePlugin(pluginId);

  1070. }

  1071. 

  1072. bool carla_replace_plugin(uint pluginId)

  1073. {

  1074.     CARLA_SAFE_ASSERT_WITH_LAST_ERROR_RETURN(gStandalone.engine != nullptr, "Engine is not initialized", false);

  1075. 

  1076.     carla_debug("carla_replace_plugin(%i)", pluginId);

  1077. 

  1078.     return gStandalone.engine->replacePlugin(pluginId);

  1079. }

  1080. 

  1081. bool carla_switch_plugins(uint pluginIdA, uint pluginIdB)

  1082. {

  1083.     CARLA_SAFE_ASSERT_RETURN(pluginIdA != pluginIdB, false);

  1084.     CARLA_SAFE_ASSERT_WITH_LAST_ERROR_RETURN(gStandalone.engine != nullptr, "Engine is not initialized", false);

  1085. 

  1086.     carla_debug("carla_switch_plugins(%i, %i)", pluginIdA, pluginIdB);

  1087. 

  1088.     return gStandalone.engine->switchPlugins(pluginIdA, pluginIdB);

  1089. }

  1090. #endif

  1091. 

  1092. // --------------------------------------------------------------------------------------------------------------------

  1093. 

  1094. bool carla_load_plugin_state(uint pluginId, const char* filename)

  1095. {

  1096.     CARLA_SAFE_ASSERT_RETURN(filename != nullptr && filename[0] != '\0', false);

  1097.     CARLA_SAFE_ASSERT_WITH_LAST_ERROR_RETURN(gStandalone.engine != nullptr

  1098.                                           && gStandalone.engine->isRunning(), "Engine is not running", false);

  1099. 

  1100.     CarlaPlugin* const plugin(gStandalone.engine->getPlugin(pluginId));

  1101.     CARLA_SAFE_ASSERT_WITH_LAST_ERROR_RETURN(plugin != nullptr, "could not find requested plugin", false);

  1102. 

  1103.     carla_debug("carla_load_plugin_state(%i, \"%s\")", pluginId, filename);

  1104. 

  1105.     return plugin->loadStateFromFile(filename);

  1106. }

  1107. 

  1108. bool carla_save_plugin_state(uint pluginId, const char* filename)

  1109. {

  1110.     CARLA_SAFE_ASSERT_RETURN(filename != nullptr && filename[0] != '\0', false);

  1111.     CARLA_SAFE_ASSERT_WITH_LAST_ERROR_RETURN(gStandalone.engine != nullptr, "Engine is not initialized", false);

  1112. 

  1113.     CarlaPlugin* const plugin(gStandalone.engine->getPlugin(pluginId));

  1114.     CARLA_SAFE_ASSERT_WITH_LAST_ERROR_RETURN(plugin != nullptr, "could not find requested plugin", false);

  1115. 

  1116.     carla_debug("carla_save_plugin_state(%i, \"%s\")", pluginId, filename);

  1117. 

  1118.     return plugin->saveStateToFile(filename);

  1119. }

  1120. 

  1121. bool carla_export_plugin_lv2(uint pluginId, const char* lv2path)

  1122. {

  1123.     CARLA_SAFE_ASSERT_RETURN(lv2path != nullptr && lv2path[0] != '\0', false);

  1124.     CARLA_SAFE_ASSERT_WITH_LAST_ERROR_RETURN(gStandalone.engine != nullptr, "Engine is not initialized", false);

  1125. 

  1126.     CarlaPlugin* const plugin(gStandalone.engine->getPlugin(pluginId));

  1127.     CARLA_SAFE_ASSERT_WITH_LAST_ERROR_RETURN(plugin != nullptr, "could not find requested plugin", false);

  1128. 

  1129.     carla_debug("carla_export_plugin_lv2(%i, \"%s\")", pluginId, lv2path);

  1130. 

  1131.     return plugin->exportAsLV2(lv2path);

  1132. }

  1133. 

  1134. // --------------------------------------------------------------------------------------------------------------------

  1135. 

  1136. const CarlaPluginInfo* carla_get_plugin_info(uint pluginId)

  1137. {

  1138.     static CarlaPluginInfo retInfo;

  1139. 

  1140.     // reset

  1141.     retInfo.type             = CB::PLUGIN_NONE;

  1142.     retInfo.category         = CB::PLUGIN_CATEGORY_NONE;

  1143.     retInfo.hints            = 0x0;

  1144.     retInfo.optionsAvailable = 0x0;

  1145.     retInfo.optionsEnabled   = 0x0;

  1146.     retInfo.filename         = gNullCharPtr;

  1147.     retInfo.name             = gNullCharPtr;

  1148.     retInfo.iconName         = gNullCharPtr;

  1149.     retInfo.uniqueId         = 0;

  1150. 

  1151.     // cleanup

  1152.     if (retInfo.label != gNullCharPtr)

  1153.     {

  1154.         delete[] retInfo.label;

  1155.         retInfo.label = gNullCharPtr;

  1156.     }

  1157. 

  1158.     if (retInfo.maker != gNullCharPtr)

  1159.     {

  1160.         delete[] retInfo.maker;

  1161.         retInfo.maker = gNullCharPtr;

  1162.     }

  1163. 

  1164.     if (retInfo.copyright != gNullCharPtr)

  1165.     {

  1166.         delete[] retInfo.copyright;

  1167.         retInfo.copyright = gNullCharPtr;

  1168.     }

  1169. 

  1170.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, &retInfo);

  1171. 

  1172.     CarlaPlugin* const plugin(gStandalone.engine->getPlugin(pluginId));

  1173.     CARLA_SAFE_ASSERT_RETURN(plugin != nullptr, &retInfo);

  1174. 

  1175.     carla_debug("carla_get_plugin_info(%i)", pluginId);

  1176. 

  1177.     char strBuf[STR_MAX+1];

  1178. 

  1179.     retInfo.type     = plugin->getType();

  1180.     retInfo.category = plugin->getCategory();

  1181.     retInfo.hints    = plugin->getHints();

  1182.     retInfo.filename = plugin->getFilename();

  1183.     retInfo.name     = plugin->getName();

  1184.     retInfo.iconName = plugin->getIconName();

  1185.     retInfo.uniqueId = plugin->getUniqueId();

  1186. 

  1187.     retInfo.optionsAvailable = plugin->getOptionsAvailable();

  1188.     retInfo.optionsEnabled   = plugin->getOptionsEnabled();

  1189. 

  1190.     carla_zeroChars(strBuf, STR_MAX+1);

  1191.     plugin->getLabel(strBuf);

  1192.     retInfo.label = carla_strdup_safe(strBuf);

  1193. 

  1194.     carla_zeroChars(strBuf, STR_MAX+1);

  1195.     plugin->getMaker(strBuf);

  1196.     retInfo.maker = carla_strdup_safe(strBuf);

  1197. 

  1198.     carla_zeroChars(strBuf, STR_MAX+1);

  1199.     plugin->getCopyright(strBuf);

  1200.     retInfo.copyright = carla_strdup_safe(strBuf);

  1201. 

  1202.     checkStringPtr(retInfo.filename);

  1203.     checkStringPtr(retInfo.name);

  1204.     checkStringPtr(retInfo.iconName);

  1205.     checkStringPtr(retInfo.label);

  1206.     checkStringPtr(retInfo.maker);

  1207.     checkStringPtr(retInfo.copyright);

  1208. 

  1209.     return &retInfo;

  1210. }

  1211. 

  1212. const CarlaPortCountInfo* carla_get_audio_port_count_info(uint pluginId)

  1213. {

  1214.     static CarlaPortCountInfo retInfo;

  1215.     carla_zeroStruct(retInfo);

  1216. 

  1217.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, &retInfo);

  1218. 

  1219.     CarlaPlugin* const plugin(gStandalone.engine->getPlugin(pluginId));

  1220.     CARLA_SAFE_ASSERT_RETURN(plugin != nullptr, &retInfo);

  1221. 

  1222.     carla_debug("carla_get_audio_port_count_info(%i)", pluginId);

  1223. 

  1224.     retInfo.ins   = plugin->getAudioInCount();

  1225.     retInfo.outs  = plugin->getAudioOutCount();

  1226.     return &retInfo;

  1227. }

  1228. 

  1229. const CarlaPortCountInfo* carla_get_midi_port_count_info(uint pluginId)

  1230. {

  1231.     static CarlaPortCountInfo retInfo;

  1232.     carla_zeroStruct(retInfo);

  1233. 

  1234.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, &retInfo);

  1235. 

  1236.     CarlaPlugin* const plugin(gStandalone.engine->getPlugin(pluginId));

  1237.     CARLA_SAFE_ASSERT_RETURN(plugin != nullptr, &retInfo);

  1238. 

  1239.     carla_debug("carla_get_midi_port_count_info(%i)", pluginId);

  1240. 

  1241.     retInfo.ins   = plugin->getMidiInCount();

  1242.     retInfo.outs  = plugin->getMidiOutCount();

  1243.     return &retInfo;

  1244. }

  1245. 

  1246. const CarlaPortCountInfo* carla_get_parameter_count_info(uint pluginId)

  1247. {

  1248.     static CarlaPortCountInfo retInfo;

  1249.     carla_zeroStruct(retInfo);

  1250. 

  1251.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, &retInfo);

  1252. 

  1253.     CarlaPlugin* const plugin(gStandalone.engine->getPlugin(pluginId));

  1254.     CARLA_SAFE_ASSERT_RETURN(plugin != nullptr, &retInfo);

  1255. 

  1256.     carla_debug("carla_get_parameter_count_info(%i)", pluginId);

  1257. 

  1258.     plugin->getParameterCountInfo(retInfo.ins, retInfo.outs);

  1259.     return &retInfo;

  1260. }

  1261. 

  1262. const CarlaParameterInfo* carla_get_parameter_info(uint pluginId, uint32_t parameterId)

  1263. {

  1264.     static CarlaParameterInfo retInfo;

  1265. 

  1266.     // reset

  1267.     retInfo.scalePointCount = 0;

  1268. 

  1269.     // cleanup

  1270.     if (retInfo.name != gNullCharPtr)

  1271.     {

  1272.         delete[] retInfo.name;

  1273.         retInfo.name = gNullCharPtr;

  1274.     }

  1275. 

  1276.     if (retInfo.symbol != gNullCharPtr)

  1277.     {

  1278.         delete[] retInfo.symbol;

  1279.         retInfo.symbol = gNullCharPtr;

  1280.     }

  1281. 

  1282.     if (retInfo.unit != gNullCharPtr)

  1283.     {

  1284.         delete[] retInfo.unit;

  1285.         retInfo.unit = gNullCharPtr;

  1286.     }

  1287. 

  1288.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, &retInfo);

  1289. 

  1290.     CarlaPlugin* const plugin(gStandalone.engine->getPlugin(pluginId));

  1291.     CARLA_SAFE_ASSERT_RETURN(plugin != nullptr, &retInfo);

  1292. 

  1293.     carla_debug("carla_get_parameter_info(%i, %i)", pluginId, parameterId);

  1294. 

  1295.     char strBuf[STR_MAX+1];

  1296. 

  1297.     retInfo.scalePointCount = plugin->getParameterScalePointCount(parameterId);

  1298. 

  1299.     carla_zeroChars(strBuf, STR_MAX+1);

  1300.     plugin->getParameterName(parameterId, strBuf);

  1301.     retInfo.name = carla_strdup_safe(strBuf);

  1302. 

  1303.     carla_zeroChars(strBuf, STR_MAX+1);

  1304.     plugin->getParameterSymbol(parameterId, strBuf);

  1305.     retInfo.symbol = carla_strdup_safe(strBuf);

  1306. 

  1307.     carla_zeroChars(strBuf, STR_MAX+1);

  1308.     plugin->getParameterUnit(parameterId, strBuf);

  1309.     retInfo.unit = carla_strdup_safe(strBuf);

  1310. 

  1311.     checkStringPtr(retInfo.name);

  1312.     checkStringPtr(retInfo.symbol);

  1313.     checkStringPtr(retInfo.unit);

  1314. 

  1315.     return &retInfo;

  1316. }

  1317. 

  1318. const CarlaScalePointInfo* carla_get_parameter_scalepoint_info(uint pluginId, uint32_t parameterId, uint32_t scalePointId)

  1319. {

  1320.     CARLA_ASSERT(gStandalone.engine != nullptr);

  1321. 

  1322.     static CarlaScalePointInfo retInfo;

  1323. 

  1324.     // reset

  1325.     retInfo.value = 0.0f;

  1326. 

  1327.     // cleanup

  1328.     if (retInfo.label != gNullCharPtr)

  1329.     {

  1330.         delete[] retInfo.label;

  1331.         retInfo.label = gNullCharPtr;

  1332.     }

  1333. 

  1334.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, &retInfo);

  1335. 

  1336.     CarlaPlugin* const plugin(gStandalone.engine->getPlugin(pluginId));

  1337.     CARLA_SAFE_ASSERT_RETURN(plugin != nullptr, &retInfo);

  1338. 

  1339.     carla_debug("carla_get_parameter_scalepoint_info(%i, %i, %i)", pluginId, parameterId, scalePointId);

  1340. 

  1341.     char strBuf[STR_MAX+1];

  1342. 

  1343.     retInfo.value = plugin->getParameterScalePointValue(parameterId, scalePointId);

  1344. 

  1345.     carla_zeroChars(strBuf, STR_MAX+1);

  1346.     plugin->getParameterScalePointLabel(parameterId, scalePointId, strBuf);

  1347.     retInfo.label = carla_strdup_safe(strBuf);

  1348. 

  1349.     checkStringPtr(retInfo.label);

  1350. 

  1351.     return &retInfo;

  1352. }

  1353. 

  1354. // --------------------------------------------------------------------------------------------------------------------

  1355. 

  1356. const ParameterData* carla_get_parameter_data(uint pluginId, uint32_t parameterId)

  1357. {

  1358.     static ParameterData retParamData;

  1359. 

  1360.     // reset

  1361.     retParamData.type        = CB::PARAMETER_UNKNOWN;

  1362.     retParamData.hints       = 0x0;

  1363.     retParamData.index       = CB::PARAMETER_NULL;

  1364.     retParamData.rindex      = -1;

  1365.     retParamData.midiCC      = -1;

  1366.     retParamData.midiChannel = 0;

  1367. 

  1368.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, &retParamData);

  1369. 

  1370.     CarlaPlugin* const plugin(gStandalone.engine->getPlugin(pluginId));

  1371.     CARLA_SAFE_ASSERT_RETURN(plugin != nullptr, &retParamData);

  1372. 

  1373.     carla_debug("carla_get_parameter_data(%i, %i)", pluginId, parameterId);

  1374.     CARLA_SAFE_ASSERT_RETURN(parameterId < plugin->getParameterCount(), &retParamData);

  1375. 

  1376.     const ParameterData& pluginParamData(plugin->getParameterData(parameterId));

  1377.     retParamData.type        = pluginParamData.type;

  1378.     retParamData.hints       = pluginParamData.hints;

  1379.     retParamData.index       = pluginParamData.index;

  1380.     retParamData.rindex      = pluginParamData.rindex;

  1381.     retParamData.midiCC      = pluginParamData.midiCC;

  1382.     retParamData.midiChannel = pluginParamData.midiChannel;

  1383.     return &plugin->getParameterData(parameterId);

  1384. }

  1385. 

  1386. const ParameterRanges* carla_get_parameter_ranges(uint pluginId, uint32_t parameterId)

  1387. {

  1388.     static ParameterRanges retParamRanges;

  1389. 

  1390.     // reset

  1391.     retParamRanges.def       = 0.0f;

  1392.     retParamRanges.min       = 0.0f;

  1393.     retParamRanges.max       = 1.0f;

  1394.     retParamRanges.step      = 0.01f;

  1395.     retParamRanges.stepSmall = 0.0001f;

  1396.     retParamRanges.stepLarge = 0.1f;

  1397. 

  1398.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, &retParamRanges);

  1399. 

  1400.     CarlaPlugin* const plugin(gStandalone.engine->getPlugin(pluginId));

  1401.     CARLA_SAFE_ASSERT_RETURN(plugin != nullptr, &retParamRanges);

  1402. 

  1403.     carla_debug("carla_get_parameter_ranges(%i, %i)", pluginId, parameterId);

  1404.     CARLA_SAFE_ASSERT_RETURN(parameterId < plugin->getParameterCount(), &retParamRanges);

  1405. 

  1406.     const ParameterRanges& pluginParamRanges(plugin->getParameterRanges(parameterId));

  1407.     retParamRanges.def       = pluginParamRanges.def;

  1408.     retParamRanges.min       = pluginParamRanges.min;

  1409.     retParamRanges.max       = pluginParamRanges.max;

  1410.     retParamRanges.step      = pluginParamRanges.step;

  1411.     retParamRanges.stepSmall = pluginParamRanges.stepSmall;

  1412.     retParamRanges.stepLarge = pluginParamRanges.stepLarge;

  1413.     return &pluginParamRanges;

  1414. }

  1415. 

  1416. const MidiProgramData* carla_get_midi_program_data(uint pluginId, uint32_t midiProgramId)

  1417. {

  1418.     static MidiProgramData retMidiProgData = { 0, 0, gNullCharPtr };

  1419. 

  1420.     // reset

  1421.     retMidiProgData.bank    = 0;

  1422.     retMidiProgData.program = 0;

  1423. 

  1424.     if (retMidiProgData.name != gNullCharPtr)

  1425.     {

  1426.         delete[] retMidiProgData.name;

  1427.         retMidiProgData.name = gNullCharPtr;

  1428.     }

  1429. 

  1430.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, &retMidiProgData);

  1431. 

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

  1433.     CARLA_SAFE_ASSERT_RETURN(plugin != nullptr, &retMidiProgData);

  1434. 

  1435.     carla_debug("carla_get_midi_program_data(%i, %i)", pluginId, midiProgramId);

  1436.     CARLA_SAFE_ASSERT_RETURN(midiProgramId < plugin->getMidiProgramCount(), &retMidiProgData);

  1437. 

  1438.     const MidiProgramData& pluginMidiProgData(plugin->getMidiProgramData(midiProgramId));

  1439.     retMidiProgData.bank    = pluginMidiProgData.bank;

  1440.     retMidiProgData.program = pluginMidiProgData.program;

  1441. 

  1442.     if (pluginMidiProgData.name != nullptr)

  1443.     {

  1444.         retMidiProgData.name = carla_strdup_safe(pluginMidiProgData.name);

  1445.         checkStringPtr(retMidiProgData.name);

  1446.     }

  1447.     else

  1448.     {

  1449.         retMidiProgData.name = gNullCharPtr;

  1450.     }

  1451. 

  1452.     return &retMidiProgData;

  1453. }

  1454. 

  1455. const CustomData* carla_get_custom_data(uint pluginId, uint32_t customDataId)

  1456. {

  1457.     static CustomData retCustomData = { gNullCharPtr, gNullCharPtr, gNullCharPtr };

  1458. 

  1459.     // reset

  1460.     if (retCustomData.type != gNullCharPtr)

  1461.     {

  1462.         delete[] retCustomData.type;

  1463.         retCustomData.type = gNullCharPtr;

  1464.     }

  1465. 

  1466.     if (retCustomData.key != gNullCharPtr)

  1467.     {

  1468.         delete[] retCustomData.key;

  1469.         retCustomData.key = gNullCharPtr;

  1470.     }

  1471. 

  1472.     if (retCustomData.value != gNullCharPtr)

  1473.     {

  1474.         delete[] retCustomData.value;

  1475.         retCustomData.value = gNullCharPtr;

  1476.     }

  1477. 

  1478.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, &retCustomData);

  1479. 

  1480.     CarlaPlugin* const plugin(gStandalone.engine->getPlugin(pluginId));

  1481.     CARLA_SAFE_ASSERT_RETURN(plugin != nullptr, &retCustomData);

  1482. 

  1483.     carla_debug("carla_get_custom_data(%i, %i)", pluginId, customDataId);

  1484.     CARLA_SAFE_ASSERT_RETURN(customDataId < plugin->getCustomDataCount(), &retCustomData)

  1485. 

  1486.     const CustomData& pluginCustomData(plugin->getCustomData(customDataId));

  1487.     retCustomData.type  = carla_strdup_safe(pluginCustomData.type);

  1488.     retCustomData.key   = carla_strdup_safe(pluginCustomData.key);

  1489.     retCustomData.value = carla_strdup_safe(pluginCustomData.value);

  1490.     checkStringPtr(retCustomData.type);

  1491.     checkStringPtr(retCustomData.key);

  1492.     checkStringPtr(retCustomData.value);

  1493.     return &retCustomData;

  1494. }

  1495. 

  1496. const char* carla_get_custom_data_value(uint pluginId, const char* type, const char* key)

  1497. {

  1498.     CARLA_SAFE_ASSERT_RETURN(type != nullptr && type[0] != '\0', gNullCharPtr);

  1499.     CARLA_SAFE_ASSERT_RETURN(key != nullptr && key[0] != '\0', gNullCharPtr);

  1500.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, gNullCharPtr);

  1501. 

  1502.     CarlaPlugin* const plugin(gStandalone.engine->getPlugin(pluginId));

  1503.     CARLA_SAFE_ASSERT_RETURN(plugin != nullptr, gNullCharPtr);

  1504. 

  1505.     carla_debug("carla_get_custom_data_value(%i, %s, %s)", pluginId, type, key);

  1506. 

  1507.     const uint32_t count = plugin->getCustomDataCount();

  1508. 

  1509.     if (count == 0)

  1510.         return gNullCharPtr;

  1511. 

  1512.     static CarlaString customDataValue;

  1513. 

  1514.     for (uint32_t i=0; i<count; ++i)

  1515.     {

  1516.         const CustomData& pluginCustomData(plugin->getCustomData(i));

  1517. 

  1518.         if (std::strcmp(pluginCustomData.type, type) != 0)

  1519.             continue;

  1520.         if (std::strcmp(pluginCustomData.key, key) != 0)

  1521.             continue;

  1522. 

  1523.         customDataValue = pluginCustomData.value;

  1524.         return customDataValue.buffer();

  1525.     }

  1526. 

  1527.     return gNullCharPtr;

  1528. }

  1529. 

  1530. const char* carla_get_chunk_data(uint pluginId)

  1531. {

  1532.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, gNullCharPtr);

  1533. 

  1534.     CarlaPlugin* const plugin(gStandalone.engine->getPlugin(pluginId));

  1535.     CARLA_SAFE_ASSERT_RETURN(plugin != nullptr, gNullCharPtr);

  1536. 

  1537.     carla_debug("carla_get_chunk_data(%i)", pluginId);

  1538.     CARLA_SAFE_ASSERT_RETURN(plugin->getOptionsEnabled() & CB::PLUGIN_OPTION_USE_CHUNKS, gNullCharPtr);

  1539. 

  1540.     void* data = nullptr;

  1541.     const std::size_t dataSize(plugin->getChunkData(&data));

  1542.     CARLA_SAFE_ASSERT_RETURN(data != nullptr && dataSize > 0, gNullCharPtr);

  1543. 

  1544.     static CarlaString chunkData;

  1545. 

  1546.     chunkData = CarlaString::asBase64(data, static_cast<std::size_t>(dataSize));

  1547.     return chunkData.buffer();

  1548. }

  1549. 

  1550. // --------------------------------------------------------------------------------------------------------------------

  1551. 

  1552. uint32_t carla_get_parameter_count(uint pluginId)

  1553. {

  1554.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, 0);

  1555. 

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

  1557.     CARLA_SAFE_ASSERT_RETURN(plugin != nullptr, 0);

  1558. 

  1559.     carla_debug("carla_get_parameter_count(%i)", pluginId);

  1560.     return plugin->getParameterCount();

  1561. }

  1562. 

  1563. uint32_t carla_get_program_count(uint pluginId)

  1564. {

  1565.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, 0);

  1566. 

  1567.     CarlaPlugin* const plugin(gStandalone.engine->getPlugin(pluginId));

  1568.     CARLA_SAFE_ASSERT_RETURN(plugin != nullptr, 0);

  1569. 

  1570.     carla_debug("carla_get_program_count(%i)", pluginId);

  1571.     return plugin->getProgramCount();

  1572. }

  1573. 

  1574. uint32_t carla_get_midi_program_count(uint pluginId)

  1575. {

  1576.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, 0);

  1577. 

  1578.     CarlaPlugin* const plugin(gStandalone.engine->getPlugin(pluginId));

  1579.     CARLA_SAFE_ASSERT_RETURN(plugin != nullptr, 0);

  1580. 

  1581.     carla_debug("carla_get_midi_program_count(%i)", pluginId);

  1582.     return plugin->getMidiProgramCount();

  1583. }

  1584. 

  1585. uint32_t carla_get_custom_data_count(uint pluginId)

  1586. {

  1587.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, 0);

  1588. 

  1589.     CarlaPlugin* const plugin(gStandalone.engine->getPlugin(pluginId));

  1590.     CARLA_SAFE_ASSERT_RETURN(plugin != nullptr, 0);

  1591. 

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

  1593.     return plugin->getCustomDataCount();

  1594. }

  1595. 

  1596. // --------------------------------------------------------------------------------------------------------------------

  1597. 

  1598. const char* carla_get_parameter_text(uint pluginId, uint32_t parameterId)

  1599. {

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

  1601. 

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

  1603.     CARLA_SAFE_ASSERT_RETURN(plugin != nullptr, gNullCharPtr);

  1604. 

  1605.     carla_debug("carla_get_parameter_text(%i, %i)", pluginId, parameterId);

  1606.     CARLA_SAFE_ASSERT_RETURN(parameterId < plugin->getParameterCount(), gNullCharPtr);

  1607. 

  1608.     static char textBuf[STR_MAX+1];

  1609.     carla_zeroChars(textBuf, STR_MAX+1);

  1610. 

  1611.     plugin->getParameterText(parameterId, textBuf);

  1612.     return textBuf;

  1613. }

  1614. 

  1615. const char* carla_get_program_name(uint pluginId, uint32_t programId)

  1616. {

  1617.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, nullptr);

  1618. 

  1619.     CarlaPlugin* const plugin(gStandalone.engine->getPlugin(pluginId));

  1620.     CARLA_SAFE_ASSERT_RETURN(plugin != nullptr, gNullCharPtr);

  1621. 

  1622.     carla_debug("carla_get_program_name(%i, %i)", pluginId, programId);

  1623.     CARLA_SAFE_ASSERT_RETURN(programId < plugin->getProgramCount(), gNullCharPtr);

  1624. 

  1625.     static char programName[STR_MAX+1];

  1626.     carla_zeroChars(programName, STR_MAX+1);

  1627. 

  1628.     plugin->getProgramName(programId, programName);

  1629.     return programName;

  1630. }

  1631. 

  1632. const char* carla_get_midi_program_name(uint pluginId, uint32_t midiProgramId)

  1633. {

  1634.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, gNullCharPtr);

  1635. 

  1636.     CarlaPlugin* const plugin(gStandalone.engine->getPlugin(pluginId));

  1637.     CARLA_SAFE_ASSERT_RETURN(plugin != nullptr, gNullCharPtr);

  1638. 

  1639.     carla_debug("carla_get_midi_program_name(%i, %i)", pluginId, midiProgramId);

  1640.     CARLA_SAFE_ASSERT_RETURN(midiProgramId < plugin->getMidiProgramCount(), gNullCharPtr);

  1641. 

  1642.     static char midiProgramName[STR_MAX+1];

  1643.     carla_zeroChars(midiProgramName, STR_MAX+1);

  1644. 

  1645.     plugin->getMidiProgramName(midiProgramId, midiProgramName);

  1646.     return midiProgramName;

  1647. }

  1648. 

  1649. const char* carla_get_real_plugin_name(uint pluginId)

  1650. {

  1651.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, gNullCharPtr);

  1652. 

  1653.     CarlaPlugin* const plugin(gStandalone.engine->getPlugin(pluginId));

  1654.     CARLA_SAFE_ASSERT_RETURN(plugin != nullptr, gNullCharPtr);

  1655. 

  1656.     carla_debug("carla_get_real_plugin_name(%i)", pluginId);

  1657.     static char realPluginName[STR_MAX+1];

  1658.     carla_zeroChars(realPluginName, STR_MAX+1);

  1659. 

  1660.     plugin->getRealName(realPluginName);

  1661.     return realPluginName;

  1662. }

  1663. 

  1664. // --------------------------------------------------------------------------------------------------------------------

  1665. 

  1666. int32_t carla_get_current_program_index(uint pluginId)

  1667. {

  1668.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, -1);

  1669. 

  1670.     CarlaPlugin* const plugin(gStandalone.engine->getPlugin(pluginId));

  1671.     CARLA_SAFE_ASSERT_RETURN(plugin != nullptr, -1);

  1672. 

  1673.     carla_debug("carla_get_current_program_index(%i)", pluginId);

  1674.     return plugin->getCurrentProgram();

  1675. }

  1676. 

  1677. int32_t carla_get_current_midi_program_index(uint pluginId)

  1678. {

  1679.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, -1);

  1680. 

  1681.     CarlaPlugin* const plugin(gStandalone.engine->getPlugin(pluginId));

  1682.     CARLA_SAFE_ASSERT_RETURN(plugin != nullptr, -1);

  1683. 

  1684.     carla_debug("carla_get_current_midi_program_index(%i)", pluginId);

  1685.     return plugin->getCurrentMidiProgram();

  1686. }

  1687. 

  1688. // --------------------------------------------------------------------------------------------------------------------

  1689. 

  1690. float carla_get_default_parameter_value(uint pluginId, uint32_t parameterId)

  1691. {

  1692.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, 0.0f);

  1693. 

  1694.     CarlaPlugin* const plugin(gStandalone.engine->getPlugin(pluginId));

  1695.     CARLA_SAFE_ASSERT_RETURN(plugin != nullptr, 0.0f);

  1696. 

  1697.     carla_debug("carla_get_default_parameter_value(%i, %i)", pluginId, parameterId);

  1698.     CARLA_SAFE_ASSERT_RETURN(parameterId < plugin->getParameterCount(), 0.0f);

  1699. 

  1700.     return plugin->getParameterRanges(parameterId).def;

  1701. }

  1702. 

  1703. float carla_get_current_parameter_value(uint pluginId, uint32_t parameterId)

  1704. {

  1705.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, 0.0f);

  1706. 

  1707.     CarlaPlugin* const plugin(gStandalone.engine->getPlugin(pluginId));

  1708.     CARLA_SAFE_ASSERT_RETURN(plugin != nullptr, 0.0f);

  1709.     CARLA_SAFE_ASSERT_RETURN(parameterId < plugin->getParameterCount(), 0.0f);

  1710. 

  1711.     return plugin->getParameterValue(parameterId);

  1712. }

  1713. 

  1714. float carla_get_internal_parameter_value(uint pluginId, int32_t parameterId)

  1715. {

  1716. #ifdef BUILD_BRIDGE

  1717.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, 0.0f);

  1718. #else

  1719.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, (parameterId == CB::PARAMETER_CTRL_CHANNEL) ? -1.0f : 0.0f);

  1720. #endif

  1721.     CARLA_SAFE_ASSERT_RETURN(parameterId != CB::PARAMETER_NULL && parameterId > CB::PARAMETER_MAX, 0.0f);

  1722. 

  1723.     CarlaPlugin* const plugin(gStandalone.engine->getPlugin(pluginId));

  1724.     CARLA_SAFE_ASSERT_RETURN(plugin != nullptr, 0.0f);

  1725. 

  1726.     carla_debug("carla_get_internal_parameter_value(%i, %i)", pluginId, parameterId);

  1727.     return plugin->getInternalParameterValue(parameterId);

  1728. }

  1729. 

  1730. // --------------------------------------------------------------------------------------------------------------------

  1731. 

  1732. const float* carla_get_peak_values(uint pluginId)

  1733. {

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

  1735. 

  1736.     return gStandalone.engine->getPeaks(pluginId);

  1737. }

  1738. 

  1739. float carla_get_input_peak_value(uint pluginId, bool isLeft)

  1740. {

  1741.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, 0.0f);

  1742. 

  1743.     return gStandalone.engine->getInputPeak(pluginId, isLeft);

  1744. }

  1745. 

  1746. float carla_get_output_peak_value(uint pluginId, bool isLeft)

  1747. {

  1748.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, 0.0f);

  1749. 

  1750.     return gStandalone.engine->getOutputPeak(pluginId, isLeft);

  1751. }

  1752. 

  1753. // --------------------------------------------------------------------------------------------------------------------

  1754. 

  1755. CARLA_BACKEND_START_NAMESPACE

  1756. 

  1757. // defined in CarlaPluginLV2.cpp

  1758. void* carla_render_inline_display_lv2(CarlaPlugin* plugin, int width, int height);

  1759. 

  1760. CARLA_BACKEND_END_NAMESPACE

  1761. 

  1762. CarlaInlineDisplayImageSurface* carla_render_inline_display(uint pluginId, int width, int height)

  1763. {

  1764.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, nullptr);

  1765. 

  1766.     CarlaPlugin* const plugin(gStandalone.engine->getPlugin(pluginId));

  1767.     CARLA_SAFE_ASSERT_RETURN(plugin != nullptr, nullptr);

  1768. 

  1769.     carla_debug("carla_render_inline_display(%i, %i, %i)", pluginId, width, height);

  1770.     CARLA_SAFE_ASSERT_RETURN(plugin->getType() == CB::PLUGIN_LV2, nullptr);

  1771. 

  1772.     return (CarlaInlineDisplayImageSurface*)CB::carla_render_inline_display_lv2(plugin, width, height);

  1773. }

  1774. 

  1775. // --------------------------------------------------------------------------------------------------------------------

  1776. 

  1777. void carla_set_active(uint pluginId, bool onOff)

  1778. {

  1779.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  1780. 

  1781.     CarlaPlugin* const plugin(gStandalone.engine->getPlugin(pluginId));

  1782.     CARLA_SAFE_ASSERT_RETURN(plugin != nullptr,);

  1783. 

  1784.     carla_debug("carla_set_active(%i, %s)", pluginId, bool2str(onOff));

  1785.     return plugin->setActive(onOff, true, false);

  1786. }

  1787. 

  1788. #ifndef BUILD_BRIDGE

  1789. void carla_set_drywet(uint pluginId, float value)

  1790. {

  1791.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  1792. 

  1793.     CarlaPlugin* const plugin(gStandalone.engine->getPlugin(pluginId));

  1794.     CARLA_SAFE_ASSERT_RETURN(plugin != nullptr,);

  1795. 

  1796.     carla_debug("carla_set_drywet(%i, %f)", pluginId, value);

  1797.     return plugin->setDryWet(value, true, false);

  1798. }

  1799. 

  1800. void carla_set_volume(uint pluginId, float value)

  1801. {

  1802.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  1803. 

  1804.     CarlaPlugin* const plugin(gStandalone.engine->getPlugin(pluginId));

  1805.     CARLA_SAFE_ASSERT_RETURN(plugin != nullptr,);

  1806. 

  1807.     carla_debug("carla_set_volume(%i, %f)", pluginId, value);

  1808.     return plugin->setVolume(value, true, false);

  1809. }

  1810. 

  1811. void carla_set_balance_left(uint pluginId, float value)

  1812. {

  1813.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  1814. 

  1815.     CarlaPlugin* const plugin(gStandalone.engine->getPlugin(pluginId));

  1816.     CARLA_SAFE_ASSERT_RETURN(plugin != nullptr,);

  1817. 

  1818.     carla_debug("carla_set_balance_left(%i, %f)", pluginId, value);

  1819.     return plugin->setBalanceLeft(value, true, false);

  1820. }

  1821. 

  1822. void carla_set_balance_right(uint pluginId, float value)

  1823. {

  1824.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  1825. 

  1826.     CarlaPlugin* const plugin(gStandalone.engine->getPlugin(pluginId));

  1827.     CARLA_SAFE_ASSERT_RETURN(plugin != nullptr,);

  1828. 

  1829.     carla_debug("carla_set_balance_right(%i, %f)", pluginId, value);

  1830.     return plugin->setBalanceRight(value, true, false);

  1831. }

  1832. 

  1833. void carla_set_panning(uint pluginId, float value)

  1834. {

  1835.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  1836. 

  1837.     CarlaPlugin* const plugin(gStandalone.engine->getPlugin(pluginId));

  1838.     CARLA_SAFE_ASSERT_RETURN(plugin != nullptr,);

  1839. 

  1840.     carla_debug("carla_set_panning(%i, %f)", pluginId, value);

  1841.     return plugin->setPanning(value, true, false);

  1842. }

  1843. 

  1844. void carla_set_ctrl_channel(uint pluginId, int8_t channel)

  1845. {

  1846.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  1847.     CARLA_SAFE_ASSERT_RETURN(channel >= -1 && channel < MAX_MIDI_CHANNELS,);

  1848. 

  1849.     CarlaPlugin* const plugin(gStandalone.engine->getPlugin(pluginId));

  1850.     CARLA_SAFE_ASSERT_RETURN(plugin != nullptr,);

  1851. 

  1852.     carla_debug("carla_set_ctrl_channel(%i, %i)", pluginId, channel);

  1853.     return plugin->setCtrlChannel(channel, true, false);

  1854. }

  1855. #endif

  1856. 

  1857. void carla_set_option(uint pluginId, uint option, bool yesNo)

  1858. {

  1859.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  1860. 

  1861.     CarlaPlugin* const plugin(gStandalone.engine->getPlugin(pluginId));

  1862.     CARLA_SAFE_ASSERT_RETURN(plugin != nullptr,);

  1863. 

  1864.     carla_debug("carla_set_option(%i, %i, %s)", pluginId, option, bool2str(yesNo));

  1865.     return plugin->setOption(option, yesNo, false);

  1866. }

  1867. 

  1868. // --------------------------------------------------------------------------------------------------------------------

  1869. 

  1870. void carla_set_parameter_value(uint pluginId, uint32_t parameterId, float value)

  1871. {

  1872.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  1873. 

  1874.     CarlaPlugin* const plugin(gStandalone.engine->getPlugin(pluginId));

  1875.     CARLA_SAFE_ASSERT_RETURN(plugin != nullptr,);

  1876. 

  1877.     carla_debug("carla_set_parameter_value(%i, %i, %f)", pluginId, parameterId, value);

  1878.     CARLA_SAFE_ASSERT_RETURN(parameterId < plugin->getParameterCount(),);

  1879. 

  1880.     return plugin->setParameterValue(parameterId, value, true, true, false);

  1881. }

  1882. 

  1883. #ifndef BUILD_BRIDGE

  1884. void carla_set_parameter_midi_channel(uint pluginId, uint32_t parameterId, uint8_t channel)

  1885. {

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

  1887.     CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  1888. 

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

  1890.     CARLA_SAFE_ASSERT_RETURN(plugin != nullptr,);

  1891. 

  1892.     carla_debug("carla_set_parameter_midi_channel(%i, %i, %i)", pluginId, parameterId, channel);

  1893.     CARLA_SAFE_ASSERT_RETURN(parameterId < plugin->getParameterCount(),);

  1894. 

  1895.     return plugin->setParameterMidiChannel(parameterId, channel, true, false);

  1896. }

  1897. 

  1898. void carla_set_parameter_midi_cc(uint pluginId, uint32_t parameterId, int16_t cc)

  1899. {

  1900.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  1901.     CARLA_SAFE_ASSERT_RETURN(cc >= -1 && cc < MAX_MIDI_CONTROL,);

  1902. 

  1903.     CarlaPlugin* const plugin(gStandalone.engine->getPlugin(pluginId));

  1904.     CARLA_SAFE_ASSERT_RETURN(plugin != nullptr,);

  1905. 

  1906.     carla_debug("carla_set_parameter_midi_cc(%i, %i, %i)", pluginId, parameterId, cc);

  1907.     CARLA_SAFE_ASSERT_RETURN(parameterId < plugin->getParameterCount(),);

  1908. 

  1909.     return plugin->setParameterMidiCC(parameterId, cc, true, false);

  1910. }

  1911. #endif

  1912. 

  1913. // --------------------------------------------------------------------------------------------------------------------

  1914. 

  1915. void carla_set_program(uint pluginId, uint32_t programId)

  1916. {

  1917.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  1918. 

  1919.     CarlaPlugin* const plugin(gStandalone.engine->getPlugin(pluginId));

  1920.     CARLA_SAFE_ASSERT_RETURN(plugin != nullptr,);

  1921. 

  1922.     carla_debug("carla_set_program(%i, %i)", pluginId, programId);

  1923.     CARLA_SAFE_ASSERT_RETURN(programId < plugin->getProgramCount(),);

  1924. 

  1925.     return plugin->setProgram(static_cast<int32_t>(programId), true, true, false);

  1926. }

  1927. 

  1928. void carla_set_midi_program(uint pluginId, uint32_t midiProgramId)

  1929. {

  1930.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  1931. 

  1932.     CarlaPlugin* const plugin(gStandalone.engine->getPlugin(pluginId));

  1933.     CARLA_SAFE_ASSERT_RETURN(plugin != nullptr,);

  1934. 

  1935.     carla_debug("carla_set_midi_program(%i, %i)", pluginId, midiProgramId);

  1936.     CARLA_SAFE_ASSERT_RETURN(midiProgramId < plugin->getMidiProgramCount(),);

  1937. 

  1938.     return plugin->setMidiProgram(static_cast<int32_t>(midiProgramId), true, true, false);

  1939. }

  1940. 

  1941. // --------------------------------------------------------------------------------------------------------------------

  1942. 

  1943. void carla_set_custom_data(uint pluginId, const char* type, const char* key, const char* value)

  1944. {

  1945.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  1946.     CARLA_SAFE_ASSERT_RETURN(type != nullptr && type[0] != '\0',);

  1947.     CARLA_SAFE_ASSERT_RETURN(key != nullptr && key[0] != '\0',);

  1948.     CARLA_SAFE_ASSERT_RETURN(value != nullptr,);

  1949. 

  1950.     CarlaPlugin* const plugin(gStandalone.engine->getPlugin(pluginId));

  1951.     CARLA_SAFE_ASSERT_RETURN(plugin != nullptr,);

  1952. 

  1953.     carla_debug("carla_set_custom_data(%i, \"%s\", \"%s\", \"%s\")", pluginId, type, key, value);

  1954.     return plugin->setCustomData(type, key, value, true);

  1955. }

  1956. 

  1957. void carla_set_chunk_data(uint pluginId, const char* chunkData)

  1958. {

  1959.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  1960.     CARLA_SAFE_ASSERT_RETURN(chunkData != nullptr && chunkData[0] != '\0',);

  1961. 

  1962.     CarlaPlugin* const plugin(gStandalone.engine->getPlugin(pluginId));

  1963.     CARLA_SAFE_ASSERT_RETURN(plugin != nullptr,);

  1964. 

  1965.     carla_debug("carla_set_chunk_data(%i, \"%s\")", pluginId, chunkData);

  1966.     CARLA_SAFE_ASSERT_RETURN(plugin->getOptionsEnabled() & CB::PLUGIN_OPTION_USE_CHUNKS,);

  1967. 

  1968.     std::vector<uint8_t> chunk(carla_getChunkFromBase64String(chunkData));

  1969. #ifdef CARLA_PROPER_CPP11_SUPPORT

  1970.     return plugin->setChunkData(chunk.data(), chunk.size());

  1971. #else

  1972.     return plugin->setChunkData(&chunk.front(), chunk.size());

  1973. #endif

  1974. }

  1975. 

  1976. // --------------------------------------------------------------------------------------------------------------------

  1977. 

  1978. void carla_prepare_for_save(uint pluginId)

  1979. {

  1980.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  1981. 

  1982.     CarlaPlugin* const plugin(gStandalone.engine->getPlugin(pluginId));

  1983.     CARLA_SAFE_ASSERT_RETURN(plugin != nullptr,);

  1984. 

  1985.     carla_debug("carla_prepare_for_save(%i)", pluginId);

  1986.     return plugin->prepareForSave();

  1987. }

  1988. 

  1989. void carla_reset_parameters(uint pluginId)

  1990. {

  1991.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  1992. 

  1993.     CarlaPlugin* const plugin(gStandalone.engine->getPlugin(pluginId));

  1994.     CARLA_SAFE_ASSERT_RETURN(plugin != nullptr,);

  1995. 

  1996.     carla_debug("carla_reset_parameters(%i)", pluginId);

  1997.     return plugin->resetParameters();

  1998. }

  1999. 

  2000. void carla_randomize_parameters(uint pluginId)

  2001. {

  2002.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  2003. 

  2004.     CarlaPlugin* const plugin(gStandalone.engine->getPlugin(pluginId));

  2005.     CARLA_SAFE_ASSERT_RETURN(plugin != nullptr,);

  2006. 

  2007.     carla_debug("carla_randomize_parameters(%i)", pluginId);

  2008.     return plugin->randomizeParameters();

  2009. }

  2010. 

  2011. #ifndef BUILD_BRIDGE

  2012. void carla_send_midi_note(uint pluginId, uint8_t channel, uint8_t note, uint8_t velocity)

  2013. {

  2014.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr && gStandalone.engine->isRunning(),);

  2015. 

  2016.     CarlaPlugin* const plugin(gStandalone.engine->getPlugin(pluginId));

  2017.     CARLA_SAFE_ASSERT_RETURN(plugin != nullptr,);

  2018. 

  2019.     carla_debug("carla_send_midi_note(%i, %i, %i, %i)", pluginId, channel, note, velocity);

  2020.     return plugin->sendMidiSingleNote(channel, note, velocity, true, true, false);

  2021. }

  2022. #endif

  2023. 

  2024. void carla_show_custom_ui(uint pluginId, bool yesNo)

  2025. {

  2026.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  2027. 

  2028.     CarlaPlugin* const plugin(gStandalone.engine->getPlugin(pluginId));

  2029.     CARLA_SAFE_ASSERT_RETURN(plugin != nullptr,);

  2030. 

  2031.     carla_debug("carla_show_custom_ui(%i, %s)", pluginId, bool2str(yesNo));

  2032.     return plugin->showCustomUI(yesNo);

  2033. }

  2034. 

  2035. // --------------------------------------------------------------------------------------------------------------------

  2036. 

  2037. uint32_t carla_get_buffer_size()

  2038. {

  2039.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, 0);

  2040. 

  2041.     carla_debug("carla_get_buffer_size()");

  2042.     return gStandalone.engine->getBufferSize();

  2043. }

  2044. 

  2045. double carla_get_sample_rate()

  2046. {

  2047.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, 0.0);

  2048. 

  2049.     carla_debug("carla_get_sample_rate()");

  2050.     return gStandalone.engine->getSampleRate();

  2051. }

  2052. 

  2053. // --------------------------------------------------------------------------------------------------------------------

  2054. 

  2055. const char* carla_get_last_error()

  2056. {

  2057.     carla_debug("carla_get_last_error()");

  2058. 

  2059.     if (gStandalone.engine != nullptr)

  2060.         return gStandalone.engine->getLastError();

  2061. 

  2062.     return gStandalone.lastError;

  2063. }

  2064. 

  2065. const char* carla_get_host_osc_url_tcp()

  2066. {

  2067.     carla_debug("carla_get_host_osc_url_tcp()");

  2068. 

  2069. #if defined(HAVE_LIBLO) && !defined(BUILD_BRIDGE)

  2070.     if (gStandalone.engine == nullptr)

  2071.     {

  2072.         carla_stderr2("carla_get_host_osc_url_tcp() failed, engine is not running");

  2073.         gStandalone.lastError = "Engine is not running";

  2074.         return gNullCharPtr;

  2075.     }

  2076. 

  2077.     const char* const path = gStandalone.engine->getOscServerPathTCP();

  2078. 

  2079.     if (path != nullptr && path[0] != '\0')

  2080.         return path;

  2081. 

  2082.     static const char* const notAvailable = "OSC TCP port not available";

  2083.     return notAvailable;

  2084. #else

  2085.     return gNullCharPtr;

  2086. #endif

  2087. }

  2088. 

  2089. const char* carla_get_host_osc_url_udp()

  2090. {

  2091.     carla_debug("carla_get_host_osc_url_udp()");

  2092. 

  2093. #if defined(HAVE_LIBLO) && !defined(BUILD_BRIDGE)

  2094.     if (gStandalone.engine == nullptr)

  2095.     {

  2096.         carla_stderr2("carla_get_host_osc_url_udp() failed, engine is not running");

  2097.         gStandalone.lastError = "Engine is not running";

  2098.         return gNullCharPtr;

  2099.     }

  2100. 

  2101.     const char* const path = gStandalone.engine->getOscServerPathUDP();

  2102. 

  2103.     if (path != nullptr && path[0] != '\0')

  2104.         return path;

  2105. 

  2106.     static const char* const notAvailable = "OSC UDP port not available";

  2107.     return notAvailable;

  2108. #else

  2109.     return gNullCharPtr;

  2110. #endif

  2111. }

  2112. 

  2113. // --------------------------------------------------------------------------------------------------------------------

  2114. 

  2115. #define CARLA_PLUGIN_UI_CLASS_PREFIX Standalone

  2116. #include "CarlaPluginUI.cpp"

  2117. #undef CARLA_PLUGIN_UI_CLASS_PREFIX

  2118. 

  2119. #include "CarlaDssiUtils.cpp"

  2120. #include "CarlaMacUtils.cpp"

  2121. #include "CarlaPatchbayUtils.cpp"

  2122. #include "CarlaPipeUtils.cpp"

  2123. #include "CarlaStateUtils.cpp"

  2124. 

  2125. // --------------------------------------------------------------------------------------------------------------------