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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) 2011-2023 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 "CarlaHostImpl.hpp"

  22. #include "CarlaMIDI.h"

  23. 

  24. #include "CarlaEngineInit.hpp"

  25. #include "CarlaPlugin.hpp"

  26. 

  27. #include "CarlaBackendUtils.hpp"

  28. #include "CarlaBase64Utils.hpp"

  29. #include "ThreadSafeFFTW.hpp"

  30. 

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

  32. 

  33. #if defined(USING_JUCE) && !defined(BUILD_BRIDGE)

  34. # include "carla_juce/carla_juce.h"

  35. #endif

  36. 

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

  38.     if (! (cond)) {                                              \

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

  40.         if (handle->isStandalone)                                \

  41.             ((CarlaHostStandalone*)handle)->lastError = msg;     \

  42.         return ret;                                              \

  43.     }

  44. 

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

  46. // Always return a valid string ptr for standalone functions

  47. 

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

  49. 

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

  51. {

  52.     if (charPtr == nullptr)

  53.         charPtr = gNullCharPtr;

  54. }

  55. 

  56. // -------------------------------------------------------------------------------------------------------------------

  57. // Constructors

  58. 

  59. _CarlaPluginInfo::_CarlaPluginInfo() noexcept

  60.     : type(CB::PLUGIN_NONE),

  61.       category(CB::PLUGIN_CATEGORY_NONE),

  62.       hints(0x0),

  63.       optionsAvailable(0x0),

  64.       optionsEnabled(0x0),

  65.       filename(gNullCharPtr),

  66.       name(gNullCharPtr),

  67.       label(gNullCharPtr),

  68.       maker(gNullCharPtr),

  69.       copyright(gNullCharPtr),

  70.       iconName(gNullCharPtr),

  71.       uniqueId(0) {}

  72. 

  73. _CarlaPluginInfo::~_CarlaPluginInfo() noexcept

  74. {

  75.     if (label != gNullCharPtr)

  76.         delete[] label;

  77.     if (maker != gNullCharPtr)

  78.         delete[] maker;

  79.     if (copyright != gNullCharPtr)

  80.         delete[] copyright;

  81. }

  82. 

  83. _CarlaParameterInfo::_CarlaParameterInfo() noexcept

  84.     : name(gNullCharPtr),

  85.       symbol(gNullCharPtr),

  86.       unit(gNullCharPtr),

  87.       comment(gNullCharPtr),

  88.       groupName(gNullCharPtr),

  89.       scalePointCount(0) {}

  90. 

  91. _CarlaParameterInfo::~_CarlaParameterInfo() noexcept

  92. {

  93.     if (name != gNullCharPtr)

  94.         delete[] name;

  95.     if (symbol != gNullCharPtr)

  96.         delete[] symbol;

  97.     if (unit != gNullCharPtr)

  98.         delete[] unit;

  99.     if (comment != gNullCharPtr)

  100.         delete[] comment;

  101.     if (groupName != gNullCharPtr)

  102.         delete[] groupName;

  103. }

  104. 

  105. _CarlaScalePointInfo::_CarlaScalePointInfo() noexcept

  106.     : value(0.0f),

  107.       label(gNullCharPtr) {}

  108. 

  109. _CarlaScalePointInfo::~_CarlaScalePointInfo() noexcept

  110. {

  111.     if (label != gNullCharPtr)

  112.         delete[] label;

  113. }

  114. 

  115. _CarlaTransportInfo::_CarlaTransportInfo() noexcept

  116.     : playing(false),

  117.       frame(0),

  118.       bar(0),

  119.       beat(0),

  120.       tick(0),

  121.       bpm(0.0) {}

  122. 

  123. void _CarlaTransportInfo::clear() noexcept

  124. {

  125.     playing = false;

  126.     frame = 0;

  127.     bar = 0;

  128.     beat = 0;

  129.     tick = 0;

  130.     bpm = 0.0;

  131. }

  132. 

  133. // --------------------------------------------------------------------------------------------------------------------

  134. 

  135. using CARLA_BACKEND_NAMESPACE::CarlaPluginPtr;

  136. 

  137. // --------------------------------------------------------------------------------------------------------------------

  138. 

  139. uint carla_get_engine_driver_count()

  140. {

  141.     carla_debug("carla_get_engine_driver_count()");

  142. 

  143.     return CarlaEngine::getDriverCount();

  144. }

  145. 

  146. const char* carla_get_engine_driver_name(uint index)

  147. {

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

  149. 

  150.     return CarlaEngine::getDriverName(index);

  151. }

  152. 

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

  154. {

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

  156. 

  157.     return CarlaEngine::getDriverDeviceNames(index);

  158. }

  159. 

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

  161. {

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

  163. 

  164.     static EngineDriverDeviceInfo retDevInfo;

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

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

  167. 

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

  169. 

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

  171.     {

  172.         retDevInfo.hints       = devInfo->hints;

  173.         retDevInfo.bufferSizes = devInfo->bufferSizes != nullptr ? devInfo->bufferSizes : nullBufferSizes;

  174.         retDevInfo.sampleRates = devInfo->sampleRates != nullptr ? devInfo->sampleRates : nullSampleRates;

  175.     }

  176.     else

  177.     {

  178.         retDevInfo.hints       = 0x0;

  179.         retDevInfo.bufferSizes = nullBufferSizes;

  180.         retDevInfo.sampleRates = nullSampleRates;

  181.     }

  182. 

  183.     return &retDevInfo;

  184. }

  185. 

  186. bool carla_show_engine_driver_device_control_panel(uint index, const char* name)

  187. {

  188.     return CarlaEngine::showDriverDeviceControlPanel(index, name);

  189. }

  190. 

  191. // --------------------------------------------------------------------------------------------------------------------

  192. 

  193. CarlaHostHandle carla_standalone_host_init(void)

  194. {

  195. #ifdef CARLA_OS_UNIX

  196.     static const ThreadSafeFFTW sThreadSafeFFTW;

  197. #endif

  198. 

  199.     static CarlaHostStandalone gStandalone;

  200. 

  201.     return &gStandalone;

  202. }

  203. 

  204. CarlaEngine* carla_get_engine_from_handle(CarlaHostHandle handle)

  205. {

  206.     carla_debug("carla_get_engine(%p)", handle);

  207. 

  208.     return handle->engine;

  209. }

  210. 

  211. // --------------------------------------------------------------------------------------------------------------------

  212. 

  213. static void carla_engine_init_common(const CarlaHostStandalone& standalone, CarlaEngine* const engine)

  214. {

  215.     engine->setCallback(standalone.engineCallback, standalone.engineCallbackPtr);

  216.     engine->setFileCallback(standalone.fileCallback, standalone.fileCallbackPtr);

  217. 

  218.     using water::File;

  219.     const File waterBinaryDir(File::getSpecialLocation(File::currentExecutableFile).getParentDirectory());

  220. 

  221. #ifdef BUILD_BRIDGE

  222.     /*

  223.     if (const char* const forceStereo = std::getenv("ENGINE_OPTION_FORCE_STEREO"))

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

  225. 

  226.     if (const char* const preferPluginBridges = std::getenv("ENGINE_OPTION_PREFER_PLUGIN_BRIDGES"))

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

  228. 

  229.     if (const char* const preferUiBridges = std::getenv("ENGINE_OPTION_PREFER_UI_BRIDGES"))

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

  231.     */

  232. 

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

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

  235. 

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

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

  238. 

  239.     if (const char* const resetXruns = std::getenv("ENGINE_OPTION_RESET_XRUNS"))

  240.         engine->setOption(CB::ENGINE_OPTION_RESET_XRUNS, (std::strcmp(resetXruns, "true") == 0) ? 1 : 0, nullptr);

  241. 

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

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

  244. 

  245.     if (const char* const pathAudio = std::getenv("ENGINE_OPTION_FILE_PATH_AUDIO"))

  246.         engine->setOption(CB::ENGINE_OPTION_FILE_PATH, CB::FILE_AUDIO, pathAudio);

  247. 

  248.     if (const char* const pathMIDI = std::getenv("ENGINE_OPTION_FILE_PATH_MIDI"))

  249.         engine->setOption(CB::ENGINE_OPTION_FILE_PATH, CB::FILE_MIDI, pathMIDI);

  250. 

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

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

  253. 

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

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

  256. 

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

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

  259. 

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

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

  262. 

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

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

  265. 

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

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

  268. 

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

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

  271. 

  272.     if (const char* const pathJSFX = std::getenv("ENGINE_OPTION_PLUGIN_PATH_JSFX"))

  273.         engine->setOption(CB::ENGINE_OPTION_PLUGIN_PATH, CB::PLUGIN_JSFX, pathJSFX);

  274. 

  275.     if (const char* const pathCLAP = std::getenv("ENGINE_OPTION_PLUGIN_PATH_CLAP"))

  276.         engine->setOption(CB::ENGINE_OPTION_PLUGIN_PATH, CB::PLUGIN_CLAP, pathCLAP);

  277. 

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

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

  280.     else

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

  282. 

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

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

  285.     else

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

  287. 

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

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

  290. 

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

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

  293. #else

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

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

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

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

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

  299.     engine->setOption(CB::ENGINE_OPTION_RESET_XRUNS,           standalone.engineOptions.resetXruns          ? 1 : 0,        nullptr);

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

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

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

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

  304. 

  305.     if (standalone.engineOptions.audioDriver != nullptr)

  306.         engine->setOption(CB::ENGINE_OPTION_AUDIO_DRIVER,      0, standalone.engineOptions.audioDriver);

  307. 

  308.     if (standalone.engineOptions.audioDevice != nullptr)

  309.         engine->setOption(CB::ENGINE_OPTION_AUDIO_DEVICE,      0, standalone.engineOptions.audioDevice);

  310. 

  311.     engine->setOption(CB::ENGINE_OPTION_OSC_ENABLED,  standalone.engineOptions.oscEnabled, nullptr);

  312.     engine->setOption(CB::ENGINE_OPTION_OSC_PORT_TCP, standalone.engineOptions.oscPortTCP, nullptr);

  313.     engine->setOption(CB::ENGINE_OPTION_OSC_PORT_UDP, standalone.engineOptions.oscPortUDP, nullptr);

  314. 

  315.     if (standalone.engineOptions.pathAudio != nullptr)

  316.         engine->setOption(CB::ENGINE_OPTION_FILE_PATH, CB::FILE_AUDIO, standalone.engineOptions.pathAudio);

  317. 

  318.     if (standalone.engineOptions.pathMIDI != nullptr)

  319.         engine->setOption(CB::ENGINE_OPTION_FILE_PATH, CB::FILE_MIDI, standalone.engineOptions.pathMIDI);

  320. 

  321.     if (standalone.engineOptions.pathLADSPA != nullptr)

  322.         engine->setOption(CB::ENGINE_OPTION_PLUGIN_PATH,       CB::PLUGIN_LADSPA, standalone.engineOptions.pathLADSPA);

  323. 

  324.     if (standalone.engineOptions.pathDSSI != nullptr)

  325.         engine->setOption(CB::ENGINE_OPTION_PLUGIN_PATH,       CB::PLUGIN_DSSI, standalone.engineOptions.pathDSSI);

  326. 

  327.     if (standalone.engineOptions.pathLV2 != nullptr)

  328.         engine->setOption(CB::ENGINE_OPTION_PLUGIN_PATH,       CB::PLUGIN_LV2, standalone.engineOptions.pathLV2);

  329. 

  330.     if (standalone.engineOptions.pathVST2 != nullptr)

  331.         engine->setOption(CB::ENGINE_OPTION_PLUGIN_PATH,       CB::PLUGIN_VST2, standalone.engineOptions.pathVST2);

  332. 

  333.     if (standalone.engineOptions.pathVST3 != nullptr)

  334.         engine->setOption(CB::ENGINE_OPTION_PLUGIN_PATH,       CB::PLUGIN_VST3, standalone.engineOptions.pathVST3);

  335. 

  336.     if (standalone.engineOptions.pathSF2 != nullptr)

  337.         engine->setOption(CB::ENGINE_OPTION_PLUGIN_PATH,       CB::PLUGIN_SF2, standalone.engineOptions.pathSF2);

  338. 

  339.     if (standalone.engineOptions.pathSFZ != nullptr)

  340.         engine->setOption(CB::ENGINE_OPTION_PLUGIN_PATH,       CB::PLUGIN_SFZ, standalone.engineOptions.pathSFZ);

  341. 

  342.     if (standalone.engineOptions.pathJSFX != nullptr)

  343.         engine->setOption(CB::ENGINE_OPTION_PLUGIN_PATH,       CB::PLUGIN_JSFX, standalone.engineOptions.pathJSFX);

  344. 

  345.     if (standalone.engineOptions.pathCLAP != nullptr)

  346.         engine->setOption(CB::ENGINE_OPTION_PLUGIN_PATH,       CB::PLUGIN_CLAP, standalone.engineOptions.pathCLAP);

  347. 

  348.     if (standalone.engineOptions.binaryDir != nullptr && standalone.engineOptions.binaryDir[0] != '\0')

  349.         engine->setOption(CB::ENGINE_OPTION_PATH_BINARIES, 0, standalone.engineOptions.binaryDir);

  350.     else

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

  352. 

  353.     if (standalone.engineOptions.resourceDir != nullptr && standalone.engineOptions.resourceDir[0] != '\0')

  354.         engine->setOption(CB::ENGINE_OPTION_PATH_RESOURCES,    0, standalone.engineOptions.resourceDir);

  355. 

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

  357. 

  358.     engine->setOption(CB::ENGINE_OPTION_FRONTEND_BACKGROUND_COLOR, static_cast<int>(standalone.engineOptions.bgColor), nullptr);

  359.     engine->setOption(CB::ENGINE_OPTION_FRONTEND_FOREGROUND_COLOR, static_cast<int>(standalone.engineOptions.fgColor), nullptr);

  360.     engine->setOption(CB::ENGINE_OPTION_FRONTEND_UI_SCALE, static_cast<int>(standalone.engineOptions.uiScale * 1000.0f), nullptr);

  361. 

  362.     if (standalone.engineOptions.frontendWinId != 0)

  363.     {

  364.         char strBuf[STR_MAX+1];

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

  366.         std::snprintf(strBuf, STR_MAX, P_UINTPTR, standalone.engineOptions.frontendWinId);

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

  368.     }

  369.     else

  370.     {

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

  372.     }

  373. 

  374. # ifndef CARLA_OS_WIN

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

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

  377. 

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

  379. 

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

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

  382. 

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

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

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

  386. # endif

  387. 

  388.     engine->setOption(CB::ENGINE_OPTION_CLIENT_NAME_PREFIX, 0, standalone.engineOptions.clientNamePrefix);

  389. 

  390.     engine->setOption(CB::ENGINE_OPTION_PLUGINS_ARE_STANDALONE, standalone.engineOptions.pluginsAreStandalone, nullptr);

  391. #endif // BUILD_BRIDGE

  392. }

  393. 

  394. bool carla_engine_init(CarlaHostHandle handle, const char* driverName, const char* clientName)

  395. {

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

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

  398.     carla_debug("carla_engine_init(%p, \"%s\", \"%s\")", handle, driverName, clientName);

  399. 

  400.     CARLA_SAFE_ASSERT_WITH_LAST_ERROR_RETURN(handle->isStandalone, "Must be a standalone host handle", false);

  401.     CARLA_SAFE_ASSERT_WITH_LAST_ERROR_RETURN(handle->engine == nullptr, "Engine is already initialized", false);

  402. 

  403. #ifdef CARLA_OS_WIN

  404.     carla_setenv("WINEASIO_CLIENT_NAME", clientName);

  405. #endif

  406. 

  407. #if defined(USING_JUCE) && !defined(BUILD_BRIDGE)

  408.     CarlaJUCE::initialiseJuce_GUI();

  409. #endif

  410. 

  411.     CarlaHostStandalone& shandle((CarlaHostStandalone&)*handle);

  412. 

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

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

  415. 

  416.     shandle.engine = engine;

  417. 

  418. #ifdef BUILD_BRIDGE

  419.     if (std::getenv("CARLA_BRIDGE_DUMMY") != nullptr)

  420.     {

  421.         // engine->setOption(CB::ENGINE_OPTION_PROCESS_MODE,      CB::ENGINE_PROCESS_MODE_PATCHBAY,         nullptr);

  422.         engine->setOption(CB::ENGINE_OPTION_PROCESS_MODE,      CB::ENGINE_PROCESS_MODE_CONTINUOUS_RACK,  nullptr);

  423.         engine->setOption(CB::ENGINE_OPTION_TRANSPORT_MODE,    CB::ENGINE_TRANSPORT_MODE_INTERNAL,       nullptr);

  424. 

  425.         engine->setOption(CB::ENGINE_OPTION_AUDIO_BUFFER_SIZE, 4096, nullptr);

  426.         engine->setOption(CB::ENGINE_OPTION_AUDIO_SAMPLE_RATE, 48000, nullptr);

  427.     }

  428.     else

  429.     {

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

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

  432.     }

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

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

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

  436. #else

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

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

  439. #endif

  440. 

  441.     carla_engine_init_common(shandle, engine);

  442. 

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

  444.     {

  445. #ifdef CARLA_CAN_USE_LOG_THREAD

  446.         if (shandle.logThreadEnabled && std::getenv("CARLA_LOGS_DISABLED") == nullptr)

  447.             shandle.logThread.init();

  448. #endif

  449.         shandle.lastError = "No error";

  450.         return true;

  451.     }

  452.     else

  453.     {

  454.         shandle.lastError = engine->getLastError();

  455.         shandle.engine = nullptr;

  456.         delete engine;

  457. #if defined(USING_JUCE) && !defined(BUILD_BRIDGE)

  458.         CarlaJUCE::shutdownJuce_GUI();

  459. #endif

  460.         return false;

  461.     }

  462. }

  463. 

  464. #ifdef BUILD_BRIDGE

  465. bool carla_engine_init_bridge(CarlaHostHandle handle,

  466.                               const char audioBaseName[6+1],

  467.                               const char rtClientBaseName[6+1],

  468.                               const char nonRtClientBaseName[6+1],

  469.                               const char nonRtServerBaseName[6+1],

  470.                               const char* const clientName)

  471. {

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

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

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

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

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

  477.     carla_debug("carla_engine_init_bridge(%p, \"%s\", \"%s\", \"%s\", \"%s\", \"%s\")",

  478.                 handle, audioBaseName, rtClientBaseName, nonRtClientBaseName, nonRtServerBaseName, clientName);

  479. 

  480.     CARLA_SAFE_ASSERT_WITH_LAST_ERROR_RETURN(handle->isStandalone, "Must be a standalone host handle", false);

  481.     CARLA_SAFE_ASSERT_WITH_LAST_ERROR_RETURN(handle->engine == nullptr, "Engine is already initialized", false);

  482. 

  483.     CarlaScopedPointer<CarlaEngine> engine(CB::EngineInit::newBridge(audioBaseName,

  484.                                                                      rtClientBaseName,

  485.                                                                      nonRtClientBaseName,

  486.                                                                      nonRtServerBaseName));

  487. 

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

  489. 

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

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

  492. 

  493.     CarlaHostStandalone& shandle((CarlaHostStandalone&)*handle);

  494. 

  495.     carla_engine_init_common(shandle, engine);

  496. 

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

  498.     {

  499.         shandle.lastError = "No error";

  500.         shandle.engine = engine.release();

  501.         return true;

  502.     }

  503.     else

  504.     {

  505.         shandle.lastError = engine->getLastError();

  506.         return false;

  507.     }

  508. }

  509. #endif

  510. 

  511. bool carla_engine_close(CarlaHostHandle handle)

  512. {

  513.     carla_debug("carla_engine_close(%p)", handle);

  514. 

  515.     CARLA_SAFE_ASSERT_WITH_LAST_ERROR_RETURN(handle->isStandalone, "Must be a standalone host handle", false);

  516.     CARLA_SAFE_ASSERT_WITH_LAST_ERROR_RETURN(handle->engine != nullptr, "Engine is not initialized", false);

  517. 

  518.     CarlaHostStandalone& shandle((CarlaHostStandalone&)*handle);

  519. 

  520.     CarlaEngine* const engine = shandle.engine;

  521. 

  522.     engine->setAboutToClose();

  523.     engine->removeAllPlugins();

  524. 

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

  526. 

  527.     if (! closed)

  528.         shandle.lastError = engine->getLastError();

  529. 

  530. #ifdef CARLA_CAN_USE_LOG_THREAD

  531.     shandle.logThread.stop();

  532. #endif

  533. 

  534.     shandle.engine = nullptr;

  535.     delete engine;

  536. 

  537. #if defined(USING_JUCE) && !defined(BUILD_BRIDGE)

  538.     CarlaJUCE::shutdownJuce_GUI();

  539. #endif

  540.     return closed;

  541. }

  542. 

  543. void carla_engine_idle(CarlaHostHandle handle)

  544. {

  545.     CARLA_SAFE_ASSERT_RETURN(handle->engine != nullptr && handle->isStandalone,);

  546. 

  547.     handle->engine->idle();

  548. 

  549. #if defined(USING_JUCE) && !defined(BUILD_BRIDGE)

  550.     if (handle->isStandalone)

  551.         CarlaJUCE::idleJuce_GUI();

  552. #endif

  553. }

  554. 

  555. bool carla_is_engine_running(CarlaHostHandle handle)

  556. {

  557.     return (handle->engine != nullptr && handle->engine->isRunning());

  558. }

  559. 

  560. const CarlaRuntimeEngineInfo* carla_get_runtime_engine_info(CarlaHostHandle handle)

  561. {

  562.     static CarlaRuntimeEngineInfo retInfo;

  563. 

  564.     // reset

  565.     retInfo.load = 0.0f;

  566.     retInfo.xruns = 0;

  567. 

  568.     CARLA_SAFE_ASSERT_RETURN(handle->engine != nullptr, &retInfo);

  569. 

  570.     retInfo.load = handle->engine->getDSPLoad();

  571.     retInfo.xruns = handle->engine->getTotalXruns();

  572. 

  573.     return &retInfo;

  574. }

  575. 

  576. #ifndef BUILD_BRIDGE

  577. const CarlaRuntimeEngineDriverDeviceInfo* carla_get_runtime_engine_driver_device_info(CarlaHostHandle handle)

  578. {

  579.     static CarlaRuntimeEngineDriverDeviceInfo retInfo;

  580. 

  581.     // reset

  582.     retInfo.name = gNullCharPtr;

  583.     retInfo.hints = 0x0;

  584.     retInfo.bufferSize = 0;

  585.     retInfo.bufferSizes = nullptr;

  586.     retInfo.sampleRate = 0.0;

  587.     retInfo.sampleRates = nullptr;

  588. 

  589.     const char* audioDriver;

  590.     const char* audioDevice;

  591. 

  592.     if (CarlaEngine* const engine = handle->engine)

  593.     {

  594.         audioDriver = engine->getCurrentDriverName();

  595.         audioDevice = engine->getOptions().audioDevice;

  596. 

  597.         retInfo.bufferSize = engine->getBufferSize();

  598.         retInfo.sampleRate = engine->getSampleRate();

  599.     }

  600.     else if (handle->isStandalone)

  601.     {

  602.         CarlaHostStandalone& shandle((CarlaHostStandalone&)*handle);

  603. 

  604.         audioDriver = shandle.engineOptions.audioDriver;

  605.         audioDevice = shandle.engineOptions.audioDevice;

  606. 

  607.         retInfo.bufferSize = shandle.engineOptions.audioBufferSize;

  608.         retInfo.sampleRate = shandle.engineOptions.audioSampleRate;

  609.     }

  610.     else

  611.     {

  612.         return &retInfo;

  613.     }

  614.     CARLA_SAFE_ASSERT_RETURN(audioDriver != nullptr, &retInfo);

  615.     CARLA_SAFE_ASSERT_RETURN(audioDevice != nullptr, &retInfo);

  616. 

  617.     uint index = 0;

  618.     uint count = CarlaEngine::getDriverCount();

  619.     for (; index<count; ++index)

  620.     {

  621.         const char* const testDriverName = CarlaEngine::getDriverName(index);

  622.         CARLA_SAFE_ASSERT_CONTINUE(testDriverName != nullptr);

  623. 

  624.         if (std::strcmp(testDriverName, audioDriver) == 0)

  625.             break;

  626.     }

  627.     CARLA_SAFE_ASSERT_RETURN(index != count, &retInfo);

  628. 

  629.     const EngineDriverDeviceInfo* const devInfo = CarlaEngine::getDriverDeviceInfo(index, audioDevice);

  630.     CARLA_SAFE_ASSERT_RETURN(devInfo != nullptr, &retInfo);

  631. 

  632.     retInfo.name        = audioDevice;

  633.     retInfo.hints       = devInfo->hints;

  634.     retInfo.bufferSizes = devInfo->bufferSizes;

  635.     retInfo.sampleRates = devInfo->sampleRates;

  636. 

  637.     return &retInfo;

  638. }

  639. 

  640. bool carla_set_engine_buffer_size_and_sample_rate(CarlaHostHandle handle, uint bufferSize, double sampleRate)

  641. {

  642.     CARLA_SAFE_ASSERT_RETURN(handle->engine != nullptr, false);

  643.     carla_debug("carla_set_engine_buffer_size_and_sample_rate(%p, %u, %f)", handle, bufferSize, sampleRate);

  644. 

  645.     return handle->engine->setBufferSizeAndSampleRate(bufferSize, sampleRate);

  646. }

  647. 

  648. bool carla_show_engine_device_control_panel(CarlaHostHandle handle)

  649. {

  650.     CARLA_SAFE_ASSERT_RETURN(handle->engine != nullptr, false);

  651.     carla_debug("carla_show_engine_device_control_panel(%p)", handle);

  652. 

  653.     return handle->engine->showDeviceControlPanel();

  654. }

  655. #endif // BUILD_BRIDGE

  656. 

  657. void carla_clear_engine_xruns(CarlaHostHandle handle)

  658. {

  659.     if (handle->engine != nullptr)

  660.         handle->engine->clearXruns();

  661. }

  662. 

  663. void carla_cancel_engine_action(CarlaHostHandle handle)

  664. {

  665.     if (handle->engine != nullptr)

  666.         handle->engine->setActionCanceled(true);

  667. }

  668. 

  669. bool carla_set_engine_about_to_close(CarlaHostHandle handle)

  670. {

  671.     CARLA_SAFE_ASSERT_RETURN(handle->engine != nullptr, true);

  672.     carla_debug("carla_set_engine_about_to_close(%p)", handle);

  673. 

  674.     return handle->engine->setAboutToClose();

  675. }

  676. 

  677. void carla_set_engine_callback(CarlaHostHandle handle, EngineCallbackFunc func, void* ptr)

  678. {

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

  680. 

  681.     if (handle->isStandalone)

  682.     {

  683.         CarlaHostStandalone& shandle((CarlaHostStandalone&)*handle);

  684. 

  685.         shandle.engineCallback    = func;

  686.         shandle.engineCallbackPtr = ptr;

  687. 

  688. #ifdef CARLA_CAN_USE_LOG_THREAD

  689.         shandle.logThread.setCallback(func, ptr);

  690. #endif

  691.     }

  692. 

  693.     if (handle->engine != nullptr)

  694.         handle->engine->setCallback(func, ptr);

  695. }

  696. 

  697. void carla_set_engine_option(CarlaHostHandle handle, EngineOption option, int value, const char* valueStr)

  698. {

  699.     carla_debug("carla_set_engine_option(%p, %i:%s, %i, \"%s\")",

  700.                 handle, option, CB::EngineOption2Str(option), value, valueStr);

  701. 

  702.     if (handle->isStandalone)

  703.     {

  704.         CarlaHostStandalone& shandle((CarlaHostStandalone&)*handle);

  705. 

  706.         switch (option)

  707.         {

  708.         case CB::ENGINE_OPTION_DEBUG:

  709.             break;

  710. 

  711.         case CB::ENGINE_OPTION_PROCESS_MODE:

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

  713.             shandle.engineOptions.processMode = static_cast<CB::EngineProcessMode>(value);

  714.             break;

  715. 

  716.         case CB::ENGINE_OPTION_TRANSPORT_MODE:

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

  718. 

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

  720.             if (shandle.engineOptions.processMode == CB::ENGINE_PROCESS_MODE_MULTIPLE_CLIENTS

  721.                 && value != CB::ENGINE_TRANSPORT_MODE_JACK)

  722.             {

  723.                 shandle.engineOptions.transportMode = CB::ENGINE_TRANSPORT_MODE_JACK;

  724. 

  725.                 if (shandle.engineCallback != nullptr)

  726.                     shandle.engineCallback(shandle.engineCallbackPtr,

  727.                                            CB::ENGINE_CALLBACK_TRANSPORT_MODE_CHANGED,

  728.                                            0,

  729.                                            CB::ENGINE_TRANSPORT_MODE_JACK,

  730.                                            0, 0, 0.0f,

  731.                                            shandle.engineOptions.transportExtra);

  732.             }

  733.             else

  734.             {

  735.                 shandle.engineOptions.transportMode = static_cast<CB::EngineTransportMode>(value);

  736.             }

  737. 

  738.             delete[] shandle.engineOptions.transportExtra;

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

  740.                 shandle.engineOptions.transportExtra = carla_strdup_safe(valueStr);

  741.             else

  742.                 shandle.engineOptions.transportExtra = nullptr;

  743.             break;

  744. 

  745.         case CB::ENGINE_OPTION_FORCE_STEREO:

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

  747.             shandle.engineOptions.forceStereo = (value != 0);

  748.             break;

  749. 

  750.         case CB::ENGINE_OPTION_PREFER_PLUGIN_BRIDGES:

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

  752.             shandle.engineOptions.preferPluginBridges = (value != 0);

  753.             break;

  754. 

  755.         case CB::ENGINE_OPTION_PREFER_UI_BRIDGES:

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

  757.             shandle.engineOptions.preferUiBridges = (value != 0);

  758.             break;

  759. 

  760.         case CB::ENGINE_OPTION_UIS_ALWAYS_ON_TOP:

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

  762.             shandle.engineOptions.uisAlwaysOnTop = (value != 0);

  763.             break;

  764. 

  765.         case CB::ENGINE_OPTION_MAX_PARAMETERS:

  766.             CARLA_SAFE_ASSERT_RETURN(value >= 0,);

  767.             shandle.engineOptions.maxParameters = static_cast<uint>(value);

  768.             break;

  769. 

  770.         case CB::ENGINE_OPTION_RESET_XRUNS:

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

  772.             shandle.engineOptions.resetXruns = (value != 0);

  773.             break;

  774. 

  775.         case CB::ENGINE_OPTION_UI_BRIDGES_TIMEOUT:

  776.             CARLA_SAFE_ASSERT_RETURN(value >= 0,);

  777.             shandle.engineOptions.uiBridgesTimeout = static_cast<uint>(value);

  778.             break;

  779. 

  780.         case CB::ENGINE_OPTION_AUDIO_BUFFER_SIZE:

  781.             CARLA_SAFE_ASSERT_RETURN(value >= 8,);

  782.             shandle.engineOptions.audioBufferSize = static_cast<uint>(value);

  783.             break;

  784. 

  785.         case CB::ENGINE_OPTION_AUDIO_SAMPLE_RATE:

  786.             CARLA_SAFE_ASSERT_RETURN(value >= 22050,);

  787.             shandle.engineOptions.audioSampleRate = static_cast<uint>(value);

  788.             break;

  789. 

  790.         case CB::ENGINE_OPTION_AUDIO_TRIPLE_BUFFER:

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

  792.             shandle.engineOptions.audioTripleBuffer = (value != 0);

  793.             break;

  794. 

  795.         case CB::ENGINE_OPTION_AUDIO_DRIVER:

  796.             CARLA_SAFE_ASSERT_RETURN(valueStr != nullptr,);

  797. 

  798.             if (shandle.engineOptions.audioDriver != nullptr)

  799.                 delete[] shandle.engineOptions.audioDriver;

  800. 

  801.             shandle.engineOptions.audioDriver = carla_strdup_safe(valueStr);

  802.             break;

  803. 

  804.         case CB::ENGINE_OPTION_AUDIO_DEVICE:

  805.             CARLA_SAFE_ASSERT_RETURN(valueStr != nullptr,);

  806. 

  807.             if (shandle.engineOptions.audioDevice != nullptr)

  808.                 delete[] shandle.engineOptions.audioDevice;

  809. 

  810.             shandle.engineOptions.audioDevice = carla_strdup_safe(valueStr);

  811.             break;

  812. 

  813. #ifndef BUILD_BRIDGE

  814.         case CB::ENGINE_OPTION_OSC_ENABLED:

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

  816.             shandle.engineOptions.oscEnabled = (value != 0);

  817.             break;

  818. 

  819.         case CB::ENGINE_OPTION_OSC_PORT_TCP:

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

  821.             shandle.engineOptions.oscPortTCP = value;

  822.             break;

  823. 

  824.         case CB::ENGINE_OPTION_OSC_PORT_UDP:

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

  826.             shandle.engineOptions.oscPortUDP = value;

  827.             break;

  828. #endif

  829. 

  830.         case CB::ENGINE_OPTION_FILE_PATH:

  831.             CARLA_SAFE_ASSERT_RETURN(value > CB::FILE_NONE,);

  832.             CARLA_SAFE_ASSERT_RETURN(value <= CB::FILE_MIDI,);

  833.             CARLA_SAFE_ASSERT_RETURN(valueStr != nullptr,);

  834. 

  835.             switch (value)

  836.             {

  837.             case CB::FILE_AUDIO:

  838.                 if (shandle.engineOptions.pathAudio != nullptr)

  839.                     delete[] shandle.engineOptions.pathAudio;

  840.                 shandle.engineOptions.pathAudio = carla_strdup_safe(valueStr);

  841.                 break;

  842.             case CB::FILE_MIDI:

  843.                 if (shandle.engineOptions.pathMIDI != nullptr)

  844.                     delete[] shandle.engineOptions.pathMIDI;

  845.                 shandle.engineOptions.pathMIDI = carla_strdup_safe(valueStr);

  846.                 break;

  847.             }

  848.             break;

  849. 

  850.         case CB::ENGINE_OPTION_PLUGIN_PATH:

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

  852.             CARLA_SAFE_ASSERT_RETURN(value <= CB::PLUGIN_TYPE_COUNT,);

  853.             CARLA_SAFE_ASSERT_RETURN(valueStr != nullptr,);

  854. 

  855.             switch (value)

  856.             {

  857.             case CB::PLUGIN_LADSPA:

  858.                 if (shandle.engineOptions.pathLADSPA != nullptr)

  859.                     delete[] shandle.engineOptions.pathLADSPA;

  860.                 shandle.engineOptions.pathLADSPA = carla_strdup_safe(valueStr);

  861.                 break;

  862.             case CB::PLUGIN_DSSI:

  863.                 if (shandle.engineOptions.pathDSSI != nullptr)

  864.                     delete[] shandle.engineOptions.pathDSSI;

  865.                 shandle.engineOptions.pathDSSI = carla_strdup_safe(valueStr);

  866.                 break;

  867.             case CB::PLUGIN_LV2:

  868.                 if (shandle.engineOptions.pathLV2 != nullptr)

  869.                     delete[] shandle.engineOptions.pathLV2;

  870.                 shandle.engineOptions.pathLV2 = carla_strdup_safe(valueStr);

  871.                 break;

  872.             case CB::PLUGIN_VST2:

  873.                 if (shandle.engineOptions.pathVST2 != nullptr)

  874.                     delete[] shandle.engineOptions.pathVST2;

  875.                 shandle.engineOptions.pathVST2 = carla_strdup_safe(valueStr);

  876.                 break;

  877.             case CB::PLUGIN_VST3:

  878.                 if (shandle.engineOptions.pathVST3 != nullptr)

  879.                     delete[] shandle.engineOptions.pathVST3;

  880.                 shandle.engineOptions.pathVST3 = carla_strdup_safe(valueStr);

  881.                 break;

  882.             case CB::PLUGIN_SF2:

  883.                 if (shandle.engineOptions.pathSF2 != nullptr)

  884.                     delete[] shandle.engineOptions.pathSF2;

  885.                 shandle.engineOptions.pathSF2 = carla_strdup_safe(valueStr);

  886.                 break;

  887.             case CB::PLUGIN_SFZ:

  888.                 if (shandle.engineOptions.pathSFZ != nullptr)

  889.                     delete[] shandle.engineOptions.pathSFZ;

  890.                 shandle.engineOptions.pathSFZ = carla_strdup_safe(valueStr);

  891.                 break;

  892.             case CB::PLUGIN_JSFX:

  893.                 if (shandle.engineOptions.pathJSFX != nullptr)

  894.                     delete[] shandle.engineOptions.pathJSFX;

  895.                 shandle.engineOptions.pathJSFX = carla_strdup_safe(valueStr);

  896.                 break;

  897.             case CB::PLUGIN_CLAP:

  898.                 if (shandle.engineOptions.pathCLAP != nullptr)

  899.                     delete[] shandle.engineOptions.pathCLAP;

  900.                 shandle.engineOptions.pathCLAP = carla_strdup_safe(valueStr);

  901.                 break;

  902.             }

  903.             break;

  904. 

  905.         case CB::ENGINE_OPTION_PATH_BINARIES:

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

  907. 

  908.             if (shandle.engineOptions.binaryDir != nullptr)

  909.                 delete[] shandle.engineOptions.binaryDir;

  910. 

  911.             shandle.engineOptions.binaryDir = carla_strdup_safe(valueStr);

  912.             break;

  913. 

  914.         case CB::ENGINE_OPTION_PATH_RESOURCES:

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

  916. 

  917.             if (shandle.engineOptions.resourceDir != nullptr)

  918.                 delete[] shandle.engineOptions.resourceDir;

  919. 

  920.             shandle.engineOptions.resourceDir = carla_strdup_safe(valueStr);

  921.             break;

  922. 

  923.         case CB::ENGINE_OPTION_PREVENT_BAD_BEHAVIOUR:

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

  925.             shandle.engineOptions.preventBadBehaviour = (value != 0);

  926.             break;

  927. 

  928.         case CB::ENGINE_OPTION_FRONTEND_BACKGROUND_COLOR:

  929.             shandle.engineOptions.bgColor = static_cast<uint>(value);

  930.             break;

  931. 

  932.         case CB::ENGINE_OPTION_FRONTEND_FOREGROUND_COLOR:

  933.             shandle.engineOptions.fgColor = static_cast<uint>(value);

  934.             break;

  935. 

  936.         case CB::ENGINE_OPTION_FRONTEND_UI_SCALE:

  937.             CARLA_SAFE_ASSERT_RETURN(value > 0,);

  938.             shandle.engineOptions.uiScale = static_cast<float>(value) / 1000;

  939.             break;

  940. 

  941.         case CB::ENGINE_OPTION_FRONTEND_WIN_ID: {

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

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

  944.             CARLA_SAFE_ASSERT_RETURN(winId >= 0,);

  945.             shandle.engineOptions.frontendWinId = static_cast<uintptr_t>(winId);

  946.         }   break;

  947. 

  948. #if !defined(BUILD_BRIDGE_ALTERNATIVE_ARCH) && !defined(CARLA_OS_WIN)

  949.         case CB::ENGINE_OPTION_WINE_EXECUTABLE:

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

  951. 

  952.             if (shandle.engineOptions.wine.executable != nullptr)

  953.                 delete[] shandle.engineOptions.wine.executable;

  954. 

  955.             shandle.engineOptions.wine.executable = carla_strdup_safe(valueStr);

  956.             break;

  957. 

  958.         case CB::ENGINE_OPTION_WINE_AUTO_PREFIX:

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

  960.             shandle.engineOptions.wine.autoPrefix = (value != 0);

  961.             break;

  962. 

  963.         case CB::ENGINE_OPTION_WINE_FALLBACK_PREFIX:

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

  965. 

  966.             if (shandle.engineOptions.wine.fallbackPrefix != nullptr)

  967.                 delete[] shandle.engineOptions.wine.fallbackPrefix;

  968. 

  969.             shandle.engineOptions.wine.fallbackPrefix = carla_strdup_safe(valueStr);

  970.             break;

  971. 

  972.         case CB::ENGINE_OPTION_WINE_RT_PRIO_ENABLED:

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

  974.             shandle.engineOptions.wine.rtPrio = (value != 0);

  975.             break;

  976. 

  977.         case CB::ENGINE_OPTION_WINE_BASE_RT_PRIO:

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

  979.             shandle.engineOptions.wine.baseRtPrio = value;

  980.             break;

  981. 

  982.         case CB::ENGINE_OPTION_WINE_SERVER_RT_PRIO:

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

  984.             shandle.engineOptions.wine.serverRtPrio = value;

  985.             break;

  986. #endif

  987. 

  988. #ifndef BUILD_BRIDGE

  989.         case CB::ENGINE_OPTION_DEBUG_CONSOLE_OUTPUT:

  990. #ifdef CARLA_CAN_USE_LOG_THREAD

  991.             shandle.logThreadEnabled = (value != 0);

  992. #endif

  993.             break;

  994. #endif

  995. 

  996.         case CB::ENGINE_OPTION_CLIENT_NAME_PREFIX:

  997.             if (shandle.engineOptions.clientNamePrefix != nullptr)

  998.                 delete[] shandle.engineOptions.clientNamePrefix;

  999. 

  1000.             shandle.engineOptions.clientNamePrefix = valueStr != nullptr && valueStr[0] != '\0'

  1001.                                                    ? carla_strdup_safe(valueStr)

  1002.                                                    : nullptr;

  1003.             break;

  1004. 

  1005.         case CB::ENGINE_OPTION_PLUGINS_ARE_STANDALONE:

  1006.             CARLA_SAFE_ASSERT_RETURN(value == 0 || value == 1,);

  1007.             shandle.engineOptions.pluginsAreStandalone = (value != 0);

  1008.             break;

  1009.         }

  1010.     }

  1011. 

  1012.     if (handle->engine != nullptr)

  1013.         handle->engine->setOption(option, value, valueStr);

  1014. }

  1015. 

  1016. void carla_set_file_callback(CarlaHostHandle handle, FileCallbackFunc func, void* ptr)

  1017. {

  1018.     carla_debug("carla_set_file_callback(%p, %p, %p)", handle, func, ptr);

  1019. 

  1020.     if (handle->isStandalone)

  1021.     {

  1022.         CarlaHostStandalone& shandle((CarlaHostStandalone&)*handle);

  1023. 

  1024.         shandle.fileCallback    = func;

  1025.         shandle.fileCallbackPtr = ptr;

  1026.     }

  1027. 

  1028.     if (handle->engine != nullptr)

  1029.         handle->engine->setFileCallback(func, ptr);

  1030. }

  1031. 

  1032. // --------------------------------------------------------------------------------------------------------------------

  1033. 

  1034. bool carla_load_file(CarlaHostHandle handle, const char* filename)

  1035. {

  1036.     CARLA_SAFE_ASSERT_RETURN(filename != nullptr && filename[0] != '\0', false);

  1037.     CARLA_SAFE_ASSERT_WITH_LAST_ERROR_RETURN(handle->engine != nullptr, "Engine is not initialized", false);

  1038. 

  1039.     carla_debug("carla_load_file(%p, \"%s\")", handle, filename);

  1040. 

  1041.     return handle->engine->loadFile(filename);

  1042. }

  1043. 

  1044. bool carla_load_project(CarlaHostHandle handle, const char* filename)

  1045. {

  1046.     CARLA_SAFE_ASSERT_RETURN(filename != nullptr && filename[0] != '\0', false);

  1047.     CARLA_SAFE_ASSERT_WITH_LAST_ERROR_RETURN(handle->engine != nullptr, "Engine is not initialized", false);

  1048. 

  1049.     carla_debug("carla_load_project(%p, \"%s\")", handle, filename);

  1050. 

  1051.     return handle->engine->loadProject(filename, true);

  1052. }

  1053. 

  1054. bool carla_save_project(CarlaHostHandle handle, const char* filename)

  1055. {

  1056.     CARLA_SAFE_ASSERT_RETURN(filename != nullptr && filename[0] != '\0', false);

  1057.     CARLA_SAFE_ASSERT_WITH_LAST_ERROR_RETURN(handle->engine != nullptr, "Engine is not initialized", false);

  1058. 

  1059.     carla_debug("carla_save_project(%p, \"%s\")", handle, filename);

  1060. 

  1061.     return handle->engine->saveProject(filename, true);

  1062. }

  1063. 

  1064. #ifndef BUILD_BRIDGE

  1065. const char* carla_get_current_project_folder(CarlaHostHandle handle)

  1066. {

  1067.     CARLA_SAFE_ASSERT_RETURN(handle->engine != nullptr, gNullCharPtr);

  1068. 

  1069.     carla_debug("carla_get_current_project_folder(%p)", handle);

  1070. 

  1071.     if (const char* const ret = handle->engine->getCurrentProjectFolder())

  1072.         return ret;

  1073. 

  1074.     return gNullCharPtr;

  1075. }

  1076. 

  1077. const char* carla_get_current_project_filename(CarlaHostHandle handle)

  1078. {

  1079.     CARLA_SAFE_ASSERT_RETURN(handle->engine != nullptr && handle->isStandalone, gNullCharPtr);

  1080. 

  1081.     carla_debug("carla_get_current_project_filename(%p)", handle);

  1082. 

  1083.     if (const char* const ret = handle->engine->getCurrentProjectFilename())

  1084.         return ret;

  1085. 

  1086.     return gNullCharPtr;

  1087. }

  1088. 

  1089. void carla_clear_project_filename(CarlaHostHandle handle)

  1090. {

  1091.     CARLA_SAFE_ASSERT_RETURN(handle->engine != nullptr,);

  1092. 

  1093.     carla_debug("carla_clear_project_filename(%p)", handle);

  1094. 

  1095.     handle->engine->clearCurrentProjectFilename();

  1096. }

  1097. 

  1098. // --------------------------------------------------------------------------------------------------------------------

  1099. 

  1100. bool carla_patchbay_connect(CarlaHostHandle handle, bool external, uint groupIdA, uint portIdA, uint groupIdB, uint portIdB)

  1101. {

  1102.     CARLA_SAFE_ASSERT_WITH_LAST_ERROR_RETURN(handle->engine != nullptr, "Engine is not initialized", false);

  1103. 

  1104.     carla_debug("carla_patchbay_connect(%p, %s, %u, %u, %u, %u)",

  1105.                 handle, bool2str(external), groupIdA, portIdA, groupIdB, portIdB);

  1106. 

  1107.     return handle->engine->patchbayConnect(external, groupIdA, portIdA, groupIdB, portIdB);

  1108. }

  1109. 

  1110. bool carla_patchbay_disconnect(CarlaHostHandle handle, bool external, uint connectionId)

  1111. {

  1112.     CARLA_SAFE_ASSERT_WITH_LAST_ERROR_RETURN(handle->engine != nullptr, "Engine is not initialized", false);

  1113. 

  1114.     carla_debug("carla_patchbay_disconnect(%p, %s, %i)", handle, bool2str(external), connectionId);

  1115. 

  1116.     return handle->engine->patchbayDisconnect(external, connectionId);

  1117. }

  1118. 

  1119. bool carla_patchbay_set_group_pos(CarlaHostHandle handle, bool external, uint groupId, int x1, int y1, int x2, int y2)

  1120. {

  1121.     CARLA_SAFE_ASSERT_WITH_LAST_ERROR_RETURN(handle->engine != nullptr && handle->engine->isRunning(),

  1122.                                              "Engine is not running", false);

  1123. 

  1124.     carla_debug("carla_patchbay_set_group_pos(%p, %s, %u, %i, %i, %i, %i)",

  1125.                 handle, bool2str(external), groupId, x1, y1, x2, y2);

  1126. 

  1127.     if (handle->engine->isAboutToClose())

  1128.         return true;

  1129. 

  1130.     return handle->engine->patchbaySetGroupPos(false, true, external, groupId, x1, y1, x2, y2);

  1131. }

  1132. 

  1133. bool carla_patchbay_refresh(CarlaHostHandle handle, bool external)

  1134. {

  1135.     CARLA_SAFE_ASSERT_WITH_LAST_ERROR_RETURN(handle->engine != nullptr, "Engine is not initialized", false);

  1136. 

  1137.     carla_debug("carla_patchbay_refresh(%p, %s)", handle, bool2str(external));

  1138. 

  1139.     return handle->engine->patchbayRefresh(true, false, external);

  1140. }

  1141. 

  1142. // --------------------------------------------------------------------------------------------------------------------

  1143. 

  1144. void carla_transport_play(CarlaHostHandle handle)

  1145. {

  1146.     CARLA_SAFE_ASSERT_RETURN(handle->engine != nullptr && handle->engine->isRunning(),);

  1147. 

  1148.     carla_debug("carla_transport_play(%p)", handle);

  1149. 

  1150.     handle->engine->transportPlay();

  1151. }

  1152. 

  1153. void carla_transport_pause(CarlaHostHandle handle)

  1154. {

  1155.     CARLA_SAFE_ASSERT_RETURN(handle->engine != nullptr && handle->engine->isRunning(),);

  1156. 

  1157.     carla_debug("carla_transport_pause(%p)", handle);

  1158. 

  1159.     handle->engine->transportPause();

  1160. }

  1161. 

  1162. void carla_transport_bpm(CarlaHostHandle handle, double bpm)

  1163. {

  1164.     CARLA_SAFE_ASSERT_RETURN(handle->engine != nullptr && handle->engine->isRunning(),);

  1165. 

  1166.     carla_debug("carla_transport_bpm(%p, %f)", handle, bpm);

  1167. 

  1168.     handle->engine->transportBPM(bpm);

  1169. }

  1170. 

  1171. void carla_transport_relocate(CarlaHostHandle handle, uint64_t frame)

  1172. {

  1173.     CARLA_SAFE_ASSERT_RETURN(handle->engine != nullptr && handle->engine->isRunning(),);

  1174. 

  1175.     carla_debug("carla_transport_relocate(%p, %i)", handle, frame);

  1176. 

  1177.     handle->engine->transportRelocate(frame);

  1178. }

  1179. 

  1180. uint64_t carla_get_current_transport_frame(CarlaHostHandle handle)

  1181. {

  1182.     CARLA_SAFE_ASSERT_RETURN(handle->engine != nullptr && handle->engine->isRunning(), 0);

  1183. 

  1184.     return handle->engine->getTimeInfo().frame;

  1185. }

  1186. 

  1187. const CarlaTransportInfo* carla_get_transport_info(CarlaHostHandle handle)

  1188. {

  1189.     static CarlaTransportInfo retTransInfo;

  1190.     retTransInfo.clear();

  1191. 

  1192.     CARLA_SAFE_ASSERT_RETURN(handle->engine != nullptr && handle->engine->isRunning(), &retTransInfo);

  1193. 

  1194.     const CB::EngineTimeInfo& timeInfo(handle->engine->getTimeInfo());

  1195. 

  1196.     retTransInfo.playing = timeInfo.playing;

  1197.     retTransInfo.frame   = timeInfo.frame;

  1198. 

  1199.     if (timeInfo.bbt.valid)

  1200.     {

  1201.         retTransInfo.bar  = timeInfo.bbt.bar;

  1202.         retTransInfo.beat = timeInfo.bbt.beat;

  1203.         retTransInfo.tick = static_cast<int32_t>(timeInfo.bbt.tick + 0.5);

  1204.         retTransInfo.bpm  = timeInfo.bbt.beatsPerMinute;

  1205.     }

  1206. 

  1207.     return &retTransInfo;

  1208. }

  1209. #endif

  1210. 

  1211. // --------------------------------------------------------------------------------------------------------------------

  1212. 

  1213. uint32_t carla_get_current_plugin_count(CarlaHostHandle handle)

  1214. {

  1215.     CARLA_SAFE_ASSERT_RETURN(handle->engine != nullptr, 0);

  1216. 

  1217.     // too noisy!

  1218.     // carla_debug("carla_get_current_plugin_count(%p)", handle);

  1219. 

  1220.     return handle->engine->getCurrentPluginCount();

  1221. }

  1222. 

  1223. uint32_t carla_get_max_plugin_number(CarlaHostHandle handle)

  1224. {

  1225.     CARLA_SAFE_ASSERT_RETURN(handle->engine != nullptr, 0);

  1226. 

  1227.     carla_debug("carla_get_max_plugin_number(%p)", handle);

  1228. 

  1229.     return handle->engine->getMaxPluginNumber();

  1230. }

  1231. 

  1232. // --------------------------------------------------------------------------------------------------------------------

  1233. 

  1234. bool carla_add_plugin(CarlaHostHandle handle,

  1235.                       BinaryType btype, PluginType ptype,

  1236.                       const char* filename, const char* name, const char* label, int64_t uniqueId,

  1237.                       const void* extraPtr, uint options)

  1238. {

  1239.     CARLA_SAFE_ASSERT_WITH_LAST_ERROR_RETURN(handle->engine != nullptr, "Engine is not initialized", false);

  1240. 

  1241.     carla_debug("carla_add_plugin(%p, %i:%s, %i:%s, \"%s\", \"%s\", \"%s\", " P_INT64 ", %p, %u)",

  1242.                 handle,

  1243.                 btype, CB::BinaryType2Str(btype),

  1244.                 ptype, CB::PluginType2Str(ptype),

  1245.                 filename, name, label, uniqueId, extraPtr, options);

  1246. 

  1247.     return handle->engine->addPlugin(btype, ptype, filename, name, label, uniqueId, extraPtr, options);

  1248. }

  1249. 

  1250. bool carla_remove_plugin(CarlaHostHandle handle, uint pluginId)

  1251. {

  1252.     CARLA_SAFE_ASSERT_WITH_LAST_ERROR_RETURN(handle->engine != nullptr, "Engine is not initialized", false);

  1253. 

  1254.     carla_debug("carla_remove_plugin(%p, %i)", handle, pluginId);

  1255. 

  1256.     return handle->engine->removePlugin(pluginId);

  1257. }

  1258. 

  1259. bool carla_remove_all_plugins(CarlaHostHandle handle)

  1260. {

  1261.     CARLA_SAFE_ASSERT_WITH_LAST_ERROR_RETURN(handle->engine != nullptr, "Engine is not initialized", false);

  1262. 

  1263.     carla_debug("carla_remove_all_plugins(%p)", handle);

  1264. 

  1265.     return handle->engine->removeAllPlugins();

  1266. }

  1267. 

  1268. #ifndef BUILD_BRIDGE

  1269. bool carla_rename_plugin(CarlaHostHandle handle, uint pluginId, const char* newName)

  1270. {

  1271.     CARLA_SAFE_ASSERT_RETURN(newName != nullptr && newName[0] != '\0', false);

  1272.     CARLA_SAFE_ASSERT_WITH_LAST_ERROR_RETURN(handle->engine != nullptr, "Engine is not initialized", false);

  1273. 

  1274.     carla_debug("carla_rename_plugin(%p, %i, \"%s\")", handle, pluginId, newName);

  1275. 

  1276.     return handle->engine->renamePlugin(pluginId, newName);

  1277. }

  1278. 

  1279. bool carla_clone_plugin(CarlaHostHandle handle, uint pluginId)

  1280. {

  1281.     CARLA_SAFE_ASSERT_WITH_LAST_ERROR_RETURN(handle->engine != nullptr, "Engine is not initialized", false);

  1282. 

  1283.     carla_debug("carla_clone_plugin(%p, %i)", handle, pluginId);

  1284. 

  1285.     return handle->engine->clonePlugin(pluginId);

  1286. }

  1287. 

  1288. bool carla_replace_plugin(CarlaHostHandle handle, uint pluginId)

  1289. {

  1290.     CARLA_SAFE_ASSERT_WITH_LAST_ERROR_RETURN(handle->engine != nullptr, "Engine is not initialized", false);

  1291. 

  1292.     carla_debug("carla_replace_plugin(%p, %i)", handle, pluginId);

  1293. 

  1294.     return handle->engine->replacePlugin(pluginId);

  1295. }

  1296. 

  1297. bool carla_switch_plugins(CarlaHostHandle handle, uint pluginIdA, uint pluginIdB)

  1298. {

  1299.     CARLA_SAFE_ASSERT_RETURN(pluginIdA != pluginIdB, false);

  1300.     CARLA_SAFE_ASSERT_WITH_LAST_ERROR_RETURN(handle->engine != nullptr, "Engine is not initialized", false);

  1301. 

  1302.     carla_debug("carla_switch_plugins(%p, %i, %i)", handle, pluginIdA, pluginIdB);

  1303. 

  1304.     return handle->engine->switchPlugins(pluginIdA, pluginIdB);

  1305. }

  1306. #endif

  1307. 

  1308. // --------------------------------------------------------------------------------------------------------------------

  1309. 

  1310. bool carla_load_plugin_state(CarlaHostHandle handle, uint pluginId, const char* filename)

  1311. {

  1312.     CARLA_SAFE_ASSERT_RETURN(filename != nullptr && filename[0] != '\0', false);

  1313.     CARLA_SAFE_ASSERT_WITH_LAST_ERROR_RETURN(handle->engine != nullptr

  1314.                                           && handle->engine->isRunning(), "Engine is not running", false);

  1315. 

  1316.     if (const CarlaPluginPtr plugin = handle->engine->getPlugin(pluginId))

  1317.         return plugin->loadStateFromFile(filename);

  1318. 

  1319.     return false;

  1320. }

  1321. 

  1322. bool carla_save_plugin_state(CarlaHostHandle handle, uint pluginId, const char* filename)

  1323. {

  1324.     CARLA_SAFE_ASSERT_RETURN(filename != nullptr && filename[0] != '\0', false);

  1325.     CARLA_SAFE_ASSERT_WITH_LAST_ERROR_RETURN(handle->engine != nullptr, "Engine is not initialized", false);

  1326. 

  1327.     if (const CarlaPluginPtr plugin = handle->engine->getPlugin(pluginId))

  1328.         return plugin->saveStateToFile(filename);

  1329. 

  1330.     return false;

  1331. }

  1332. 

  1333. #ifndef CARLA_PLUGIN_ONLY_BRIDGE

  1334. bool carla_export_plugin_lv2(CarlaHostHandle handle, uint pluginId, const char* lv2path)

  1335. {

  1336.     CARLA_SAFE_ASSERT_RETURN(lv2path != nullptr && lv2path[0] != '\0', false);

  1337.     CARLA_SAFE_ASSERT_WITH_LAST_ERROR_RETURN(handle->engine != nullptr, "Engine is not initialized", false);

  1338. 

  1339.     if (const CarlaPluginPtr plugin = handle->engine->getPlugin(pluginId))

  1340.         return plugin->exportAsLV2(lv2path);

  1341. 

  1342.     return false;

  1343. }

  1344. #endif

  1345. 

  1346. // --------------------------------------------------------------------------------------------------------------------

  1347. 

  1348. const CarlaPluginInfo* carla_get_plugin_info(CarlaHostHandle handle, uint pluginId)

  1349. {

  1350.     static CarlaPluginInfo retInfo;

  1351. 

  1352.     // reset

  1353.     retInfo.type             = CB::PLUGIN_NONE;

  1354.     retInfo.category         = CB::PLUGIN_CATEGORY_NONE;

  1355.     retInfo.hints            = 0x0;

  1356.     retInfo.optionsAvailable = 0x0;

  1357.     retInfo.optionsEnabled   = 0x0;

  1358.     retInfo.filename         = gNullCharPtr;

  1359.     retInfo.name             = gNullCharPtr;

  1360.     retInfo.iconName         = gNullCharPtr;

  1361.     retInfo.uniqueId         = 0;

  1362. 

  1363.     // cleanup

  1364.     if (retInfo.label != gNullCharPtr)

  1365.     {

  1366.         delete[] retInfo.label;

  1367.         retInfo.label = gNullCharPtr;

  1368.     }

  1369. 

  1370.     if (retInfo.maker != gNullCharPtr)

  1371.     {

  1372.         delete[] retInfo.maker;

  1373.         retInfo.maker = gNullCharPtr;

  1374.     }

  1375. 

  1376.     if (retInfo.copyright != gNullCharPtr)

  1377.     {

  1378.         delete[] retInfo.copyright;

  1379.         retInfo.copyright = gNullCharPtr;

  1380.     }

  1381. 

  1382.     CARLA_SAFE_ASSERT_RETURN(handle->engine != nullptr, &retInfo);

  1383. 

  1384.     if (const CarlaPluginPtr plugin = handle->engine->getPlugin(pluginId))

  1385.     {

  1386.         char strBuf[STR_MAX+1];

  1387.         carla_zeroChars(strBuf, STR_MAX+1);

  1388. 

  1389.         retInfo.type     = plugin->getType();

  1390.         retInfo.category = plugin->getCategory();

  1391.         retInfo.hints    = plugin->getHints();

  1392.         retInfo.filename = plugin->getFilename();

  1393.         retInfo.name     = plugin->getName();

  1394.         retInfo.iconName = plugin->getIconName();

  1395.         retInfo.uniqueId = plugin->getUniqueId();

  1396. 

  1397.         retInfo.optionsAvailable = plugin->getOptionsAvailable();

  1398.         retInfo.optionsEnabled   = plugin->getOptionsEnabled();

  1399. 

  1400.         if (plugin->getLabel(strBuf))

  1401.             retInfo.label = carla_strdup_safe(strBuf);

  1402.         if (plugin->getMaker(strBuf))

  1403.             retInfo.maker = carla_strdup_safe(strBuf);

  1404.         if (plugin->getCopyright(strBuf))

  1405.             retInfo.copyright = carla_strdup_safe(strBuf);

  1406. 

  1407.         checkStringPtr(retInfo.filename);

  1408.         checkStringPtr(retInfo.name);

  1409.         checkStringPtr(retInfo.iconName);

  1410.         checkStringPtr(retInfo.label);

  1411.         checkStringPtr(retInfo.maker);

  1412.         checkStringPtr(retInfo.copyright);

  1413.     }

  1414. 

  1415.     return &retInfo;

  1416. }

  1417. 

  1418. const CarlaPortCountInfo* carla_get_audio_port_count_info(CarlaHostHandle handle, uint pluginId)

  1419. {

  1420.     static CarlaPortCountInfo retInfo;

  1421.     carla_zeroStruct(retInfo);

  1422. 

  1423.     CARLA_SAFE_ASSERT_RETURN(handle->engine != nullptr, &retInfo);

  1424. 

  1425.     if (const CarlaPluginPtr plugin = handle->engine->getPlugin(pluginId))

  1426.     {

  1427.         retInfo.ins   = plugin->getAudioInCount();

  1428.         retInfo.outs  = plugin->getAudioOutCount();

  1429.     }

  1430. 

  1431.     return &retInfo;

  1432. }

  1433. 

  1434. const CarlaPortCountInfo* carla_get_midi_port_count_info(CarlaHostHandle handle, uint pluginId)

  1435. {

  1436.     static CarlaPortCountInfo retInfo;

  1437.     carla_zeroStruct(retInfo);

  1438. 

  1439.     CARLA_SAFE_ASSERT_RETURN(handle->engine != nullptr, &retInfo);

  1440. 

  1441.     if (const CarlaPluginPtr plugin = handle->engine->getPlugin(pluginId))

  1442.     {

  1443.         retInfo.ins   = plugin->getMidiInCount();

  1444.         retInfo.outs  = plugin->getMidiOutCount();

  1445.     }

  1446. 

  1447.     return &retInfo;

  1448. }

  1449. 

  1450. const CarlaPortCountInfo* carla_get_parameter_count_info(CarlaHostHandle handle, uint pluginId)

  1451. {

  1452.     static CarlaPortCountInfo retInfo;

  1453.     carla_zeroStruct(retInfo);

  1454. 

  1455.     CARLA_SAFE_ASSERT_RETURN(handle->engine != nullptr, &retInfo);

  1456. 

  1457.     if (const CarlaPluginPtr plugin = handle->engine->getPlugin(pluginId))

  1458.         plugin->getParameterCountInfo(retInfo.ins, retInfo.outs);

  1459. 

  1460.     return &retInfo;

  1461. }

  1462. 

  1463. const CarlaParameterInfo* carla_get_parameter_info(CarlaHostHandle handle, uint pluginId, uint32_t parameterId)

  1464. {

  1465.     static CarlaParameterInfo retInfo;

  1466. 

  1467.     // reset

  1468.     retInfo.scalePointCount = 0;

  1469. 

  1470.     // cleanup

  1471.     if (retInfo.name != gNullCharPtr)

  1472.     {

  1473.         delete[] retInfo.name;

  1474.         retInfo.name = gNullCharPtr;

  1475.     }

  1476. 

  1477.     if (retInfo.symbol != gNullCharPtr)

  1478.     {

  1479.         delete[] retInfo.symbol;

  1480.         retInfo.symbol = gNullCharPtr;

  1481.     }

  1482. 

  1483.     if (retInfo.unit != gNullCharPtr)

  1484.     {

  1485.         delete[] retInfo.unit;

  1486.         retInfo.unit = gNullCharPtr;

  1487.     }

  1488. 

  1489.     if (retInfo.comment != gNullCharPtr)

  1490.     {

  1491.         delete[] retInfo.comment;

  1492.         retInfo.comment = gNullCharPtr;

  1493.     }

  1494. 

  1495.     if (retInfo.groupName != gNullCharPtr)

  1496.     {

  1497.         delete[] retInfo.groupName;

  1498.         retInfo.groupName = gNullCharPtr;

  1499.     }

  1500. 

  1501.     CARLA_SAFE_ASSERT_RETURN(handle->engine != nullptr, &retInfo);

  1502. 

  1503.     if (const CarlaPluginPtr plugin = handle->engine->getPlugin(pluginId))

  1504.     {

  1505.         char strBuf[STR_MAX+1];

  1506.         carla_zeroChars(strBuf, STR_MAX+1);

  1507. 

  1508.         retInfo.scalePointCount = plugin->getParameterScalePointCount(parameterId);

  1509. 

  1510.         if (plugin->getParameterName(parameterId, strBuf))

  1511.         {

  1512.             retInfo.name = carla_strdup_safe(strBuf);

  1513.             carla_zeroChars(strBuf, STR_MAX+1);

  1514.         }

  1515. 

  1516.         if (plugin->getParameterSymbol(parameterId, strBuf))

  1517.         {

  1518.             retInfo.symbol = carla_strdup_safe(strBuf);

  1519.             carla_zeroChars(strBuf, STR_MAX+1);

  1520.         }

  1521. 

  1522.         if (plugin->getParameterUnit(parameterId, strBuf))

  1523.         {

  1524.             retInfo.unit = carla_strdup_safe(strBuf);

  1525.             carla_zeroChars(strBuf, STR_MAX+1);

  1526.         }

  1527. 

  1528.         if (plugin->getParameterComment(parameterId, strBuf))

  1529.         {

  1530.             retInfo.comment = carla_strdup_safe(strBuf);

  1531.             carla_zeroChars(strBuf, STR_MAX+1);

  1532.         }

  1533. 

  1534.         if (plugin->getParameterGroupName(parameterId, strBuf))

  1535.         {

  1536.             retInfo.groupName = carla_strdup_safe(strBuf);

  1537.             carla_zeroChars(strBuf, STR_MAX+1);

  1538.         }

  1539. 

  1540.         checkStringPtr(retInfo.name);

  1541.         checkStringPtr(retInfo.symbol);

  1542.         checkStringPtr(retInfo.unit);

  1543.         checkStringPtr(retInfo.comment);

  1544.         checkStringPtr(retInfo.groupName);

  1545.     }

  1546. 

  1547.     return &retInfo;

  1548. }

  1549. 

  1550. const CarlaScalePointInfo* carla_get_parameter_scalepoint_info(CarlaHostHandle handle,

  1551.                                                                uint pluginId,

  1552.                                                                uint32_t parameterId,

  1553.                                                                uint32_t scalePointId)

  1554. {

  1555.     CARLA_ASSERT(handle->engine != nullptr);

  1556. 

  1557.     static CarlaScalePointInfo retInfo;

  1558. 

  1559.     // reset

  1560.     retInfo.value = 0.0f;

  1561. 

  1562.     // cleanup

  1563.     if (retInfo.label != gNullCharPtr)

  1564.     {

  1565.         delete[] retInfo.label;

  1566.         retInfo.label = gNullCharPtr;

  1567.     }

  1568. 

  1569.     CARLA_SAFE_ASSERT_RETURN(handle->engine != nullptr, &retInfo);

  1570. 

  1571.     if (const CarlaPluginPtr plugin = handle->engine->getPlugin(pluginId))

  1572.     {

  1573.         char strBuf[STR_MAX+1];

  1574. 

  1575.         retInfo.value = plugin->getParameterScalePointValue(parameterId, scalePointId);

  1576. 

  1577.         carla_zeroChars(strBuf, STR_MAX+1);

  1578.         if (plugin->getParameterScalePointLabel(parameterId, scalePointId, strBuf))

  1579.             retInfo.label = carla_strdup_safe(strBuf);

  1580. 

  1581.         checkStringPtr(retInfo.label);

  1582.     }

  1583. 

  1584.     return &retInfo;

  1585. }

  1586. 

  1587. // --------------------------------------------------------------------------------------------------------------------

  1588. 

  1589. uint carla_get_audio_port_hints(CarlaHostHandle handle, uint pluginId, bool isOutput, uint32_t portIndex)

  1590. {

  1591.     CARLA_SAFE_ASSERT_RETURN(handle->engine != nullptr, 0x0);

  1592. 

  1593.     if (const CarlaPluginPtr plugin = handle->engine->getPlugin(pluginId))

  1594.     {

  1595.         CARLA_SAFE_ASSERT_RETURN(portIndex < (isOutput ? plugin->getAudioOutCount() : plugin->getAudioInCount()), 0x0);

  1596. 

  1597.         return plugin->getAudioPortHints(isOutput, portIndex);

  1598.     }

  1599. 

  1600.     return 0x0;

  1601. }

  1602. 

  1603. // --------------------------------------------------------------------------------------------------------------------

  1604. 

  1605. const ParameterData* carla_get_parameter_data(CarlaHostHandle handle, uint pluginId, uint32_t parameterId)

  1606. {

  1607.     static ParameterData retParamData;

  1608. 

  1609.     // reset

  1610.     retParamData.type        = CB::PARAMETER_UNKNOWN;

  1611.     retParamData.hints       = 0x0;

  1612.     retParamData.index       = CB::PARAMETER_NULL;

  1613.     retParamData.rindex      = -1;

  1614.     retParamData.midiChannel = 0;

  1615.     retParamData.mappedControlIndex = CB::CONTROL_INDEX_NONE;

  1616.     retParamData.mappedMinimum = 0.0f;

  1617.     retParamData.mappedMaximum = 0.0f;

  1618. 

  1619.     CARLA_SAFE_ASSERT_RETURN(handle->engine != nullptr, &retParamData);

  1620. 

  1621.     if (const CarlaPluginPtr plugin = handle->engine->getPlugin(pluginId))

  1622.     {

  1623.         CARLA_SAFE_ASSERT_RETURN(parameterId < plugin->getParameterCount(), &retParamData);

  1624. 

  1625.         const ParameterData& pluginParamData(plugin->getParameterData(parameterId));

  1626.         retParamData.type        = pluginParamData.type;

  1627.         retParamData.hints       = pluginParamData.hints;

  1628.         retParamData.index       = pluginParamData.index;

  1629.         retParamData.rindex      = pluginParamData.rindex;

  1630.         retParamData.midiChannel = pluginParamData.midiChannel;

  1631.         retParamData.mappedControlIndex = pluginParamData.mappedControlIndex;

  1632.         retParamData.mappedMinimum = pluginParamData.mappedMinimum;

  1633.         retParamData.mappedMaximum = pluginParamData.mappedMaximum;

  1634.     }

  1635. 

  1636.     return &retParamData;

  1637. }

  1638. 

  1639. const ParameterRanges* carla_get_parameter_ranges(CarlaHostHandle handle, uint pluginId, uint32_t parameterId)

  1640. {

  1641.     static ParameterRanges retParamRanges;

  1642. 

  1643.     // reset

  1644.     retParamRanges.def       = 0.0f;

  1645.     retParamRanges.min       = 0.0f;

  1646.     retParamRanges.max       = 1.0f;

  1647.     retParamRanges.step      = 0.01f;

  1648.     retParamRanges.stepSmall = 0.0001f;

  1649.     retParamRanges.stepLarge = 0.1f;

  1650. 

  1651.     CARLA_SAFE_ASSERT_RETURN(handle->engine != nullptr, &retParamRanges);

  1652. 

  1653.     if (const CarlaPluginPtr plugin = handle->engine->getPlugin(pluginId))

  1654.     {

  1655.         CARLA_SAFE_ASSERT_RETURN(parameterId < plugin->getParameterCount(), &retParamRanges);

  1656. 

  1657.         const ParameterRanges& pluginParamRanges(plugin->getParameterRanges(parameterId));

  1658.         retParamRanges.def       = pluginParamRanges.def;

  1659.         retParamRanges.min       = pluginParamRanges.min;

  1660.         retParamRanges.max       = pluginParamRanges.max;

  1661.         retParamRanges.step      = pluginParamRanges.step;

  1662.         retParamRanges.stepSmall = pluginParamRanges.stepSmall;

  1663.         retParamRanges.stepLarge = pluginParamRanges.stepLarge;

  1664.     }

  1665. 

  1666.     return &retParamRanges;

  1667. }

  1668. 

  1669. const MidiProgramData* carla_get_midi_program_data(CarlaHostHandle handle, uint pluginId, uint32_t midiProgramId)

  1670. {

  1671.     static MidiProgramData retMidiProgData = { 0, 0, gNullCharPtr };

  1672. 

  1673.     // reset

  1674.     retMidiProgData.bank    = 0;

  1675.     retMidiProgData.program = 0;

  1676. 

  1677.     if (retMidiProgData.name != gNullCharPtr)

  1678.     {

  1679.         delete[] retMidiProgData.name;

  1680.         retMidiProgData.name = gNullCharPtr;

  1681.     }

  1682. 

  1683.     CARLA_SAFE_ASSERT_RETURN(handle->engine != nullptr, &retMidiProgData);

  1684. 

  1685.     if (const CarlaPluginPtr plugin = handle->engine->getPlugin(pluginId))

  1686.     {

  1687.         CARLA_SAFE_ASSERT_RETURN(midiProgramId < plugin->getMidiProgramCount(), &retMidiProgData);

  1688. 

  1689.         const MidiProgramData& pluginMidiProgData(plugin->getMidiProgramData(midiProgramId));

  1690.         retMidiProgData.bank    = pluginMidiProgData.bank;

  1691.         retMidiProgData.program = pluginMidiProgData.program;

  1692. 

  1693.         if (pluginMidiProgData.name != nullptr)

  1694.         {

  1695.             retMidiProgData.name = carla_strdup_safe(pluginMidiProgData.name);

  1696.             checkStringPtr(retMidiProgData.name);

  1697.         }

  1698.         else

  1699.         {

  1700.             retMidiProgData.name = gNullCharPtr;

  1701.         }

  1702.     }

  1703. 

  1704.     return &retMidiProgData;

  1705. }

  1706. 

  1707. const CustomData* carla_get_custom_data(CarlaHostHandle handle, uint pluginId, uint32_t customDataId)

  1708. {

  1709.     static CustomData retCustomData = { gNullCharPtr, gNullCharPtr, gNullCharPtr };

  1710. 

  1711.     // reset

  1712.     if (retCustomData.type != gNullCharPtr)

  1713.     {

  1714.         delete[] retCustomData.type;

  1715.         retCustomData.type = gNullCharPtr;

  1716.     }

  1717. 

  1718.     if (retCustomData.key != gNullCharPtr)

  1719.     {

  1720.         delete[] retCustomData.key;

  1721.         retCustomData.key = gNullCharPtr;

  1722.     }

  1723. 

  1724.     if (retCustomData.value != gNullCharPtr)

  1725.     {

  1726.         delete[] retCustomData.value;

  1727.         retCustomData.value = gNullCharPtr;

  1728.     }

  1729. 

  1730.     CARLA_SAFE_ASSERT_RETURN(handle->engine != nullptr, &retCustomData);

  1731. 

  1732.     if (const CarlaPluginPtr plugin = handle->engine->getPlugin(pluginId))

  1733.     {

  1734.         CARLA_SAFE_ASSERT_RETURN(customDataId < plugin->getCustomDataCount(), &retCustomData)

  1735. 

  1736.         const CustomData& pluginCustomData(plugin->getCustomData(customDataId));

  1737.         retCustomData.type  = carla_strdup_safe(pluginCustomData.type);

  1738.         retCustomData.key   = carla_strdup_safe(pluginCustomData.key);

  1739.         retCustomData.value = carla_strdup_safe(pluginCustomData.value);

  1740.         checkStringPtr(retCustomData.type);

  1741.         checkStringPtr(retCustomData.key);

  1742.         checkStringPtr(retCustomData.value);

  1743.     }

  1744. 

  1745.     return &retCustomData;

  1746. }

  1747. 

  1748. const char* carla_get_custom_data_value(CarlaHostHandle handle, uint pluginId, const char* type, const char* key)

  1749. {

  1750.     CARLA_SAFE_ASSERT_RETURN(type != nullptr && type[0] != '\0', gNullCharPtr);

  1751.     CARLA_SAFE_ASSERT_RETURN(key != nullptr && key[0] != '\0', gNullCharPtr);

  1752.     CARLA_SAFE_ASSERT_RETURN(handle->engine != nullptr, gNullCharPtr);

  1753. 

  1754.     if (const CarlaPluginPtr plugin = handle->engine->getPlugin(pluginId))

  1755.     {

  1756.         const uint32_t count = plugin->getCustomDataCount();

  1757. 

  1758.         if (count == 0)

  1759.             return gNullCharPtr;

  1760. 

  1761.         static CarlaString customDataValue;

  1762. 

  1763.         for (uint32_t i=0; i<count; ++i)

  1764.         {

  1765.             const CustomData& pluginCustomData(plugin->getCustomData(i));

  1766. 

  1767.             if (std::strcmp(pluginCustomData.type, type) != 0)

  1768.                 continue;

  1769.             if (std::strcmp(pluginCustomData.key, key) != 0)

  1770.                 continue;

  1771. 

  1772.             customDataValue = pluginCustomData.value;

  1773.             return customDataValue.buffer();

  1774.         }

  1775.     }

  1776. 

  1777.     return gNullCharPtr;

  1778. }

  1779. 

  1780. const char* carla_get_chunk_data(CarlaHostHandle handle, uint pluginId)

  1781. {

  1782.     CARLA_SAFE_ASSERT_RETURN(handle->engine != nullptr, gNullCharPtr);

  1783. 

  1784.     if (const CarlaPluginPtr plugin = handle->engine->getPlugin(pluginId))

  1785.     {

  1786.         CARLA_SAFE_ASSERT_RETURN(plugin->getOptionsEnabled() & CB::PLUGIN_OPTION_USE_CHUNKS, gNullCharPtr);

  1787. 

  1788.         void* data = nullptr;

  1789.         const std::size_t dataSize(plugin->getChunkData(&data));

  1790.         CARLA_SAFE_ASSERT_RETURN(data != nullptr && dataSize > 0, gNullCharPtr);

  1791. 

  1792.         static CarlaString chunkData;

  1793. 

  1794.         chunkData = CarlaString::asBase64(data, static_cast<std::size_t>(dataSize));

  1795.         return chunkData.buffer();

  1796.     }

  1797. 

  1798.     return gNullCharPtr;

  1799. }

  1800. 

  1801. // --------------------------------------------------------------------------------------------------------------------

  1802. 

  1803. uint32_t carla_get_parameter_count(CarlaHostHandle handle, uint pluginId)

  1804. {

  1805.     CARLA_SAFE_ASSERT_RETURN(handle->engine != nullptr, 0);

  1806. 

  1807.     if (const CarlaPluginPtr plugin = handle->engine->getPlugin(pluginId))

  1808.         return plugin->getParameterCount();

  1809. 

  1810.     return 0;

  1811. }

  1812. 

  1813. uint32_t carla_get_program_count(CarlaHostHandle handle, uint pluginId)

  1814. {

  1815.     CARLA_SAFE_ASSERT_RETURN(handle->engine != nullptr, 0);

  1816. 

  1817.     if (const CarlaPluginPtr plugin = handle->engine->getPlugin(pluginId))

  1818.         return plugin->getProgramCount();

  1819. 

  1820.     return 0;

  1821. }

  1822. 

  1823. uint32_t carla_get_midi_program_count(CarlaHostHandle handle, uint pluginId)

  1824. {

  1825.     CARLA_SAFE_ASSERT_RETURN(handle->engine != nullptr, 0);

  1826. 

  1827.     if (const CarlaPluginPtr plugin = handle->engine->getPlugin(pluginId))

  1828.         return plugin->getMidiProgramCount();

  1829. 

  1830.     return 0;

  1831. }

  1832. 

  1833. uint32_t carla_get_custom_data_count(CarlaHostHandle handle, uint pluginId)

  1834. {

  1835.     CARLA_SAFE_ASSERT_RETURN(handle->engine != nullptr, 0);

  1836. 

  1837.     if (const CarlaPluginPtr plugin = handle->engine->getPlugin(pluginId))

  1838.         return plugin->getCustomDataCount();

  1839. 

  1840.     return 0;

  1841. }

  1842. 

  1843. // --------------------------------------------------------------------------------------------------------------------

  1844. 

  1845. const char* carla_get_parameter_text(CarlaHostHandle handle, uint pluginId, uint32_t parameterId)

  1846. {

  1847.     CARLA_SAFE_ASSERT_RETURN(handle->engine != nullptr, gNullCharPtr);

  1848. 

  1849.     if (const CarlaPluginPtr plugin = handle->engine->getPlugin(pluginId))

  1850.     {

  1851.         CARLA_SAFE_ASSERT_RETURN(parameterId < plugin->getParameterCount(), gNullCharPtr);

  1852. 

  1853.         static char textBuf[STR_MAX+1];

  1854.         carla_zeroChars(textBuf, STR_MAX+1);

  1855. 

  1856.         if (! plugin->getParameterText(parameterId, textBuf))

  1857.             textBuf[0] = '\0';

  1858. 

  1859.         return textBuf;

  1860.     }

  1861. 

  1862.     return gNullCharPtr;

  1863. }

  1864. 

  1865. const char* carla_get_program_name(CarlaHostHandle handle, uint pluginId, uint32_t programId)

  1866. {

  1867.     CARLA_SAFE_ASSERT_RETURN(handle->engine != nullptr, nullptr);

  1868. 

  1869.     if (const CarlaPluginPtr plugin = handle->engine->getPlugin(pluginId))

  1870.     {

  1871.         CARLA_SAFE_ASSERT_RETURN(programId < plugin->getProgramCount(), gNullCharPtr);

  1872. 

  1873.         static char programName[STR_MAX+1];

  1874.         carla_zeroChars(programName, STR_MAX+1);

  1875. 

  1876.         if (! plugin->getProgramName(programId, programName))

  1877.             programName[0] = '\0';

  1878. 

  1879.         return programName;

  1880.     }

  1881. 

  1882.     return gNullCharPtr;

  1883. }

  1884. 

  1885. const char* carla_get_midi_program_name(CarlaHostHandle handle, uint pluginId, uint32_t midiProgramId)

  1886. {

  1887.     CARLA_SAFE_ASSERT_RETURN(handle->engine != nullptr, gNullCharPtr);

  1888. 

  1889.     if (const CarlaPluginPtr plugin = handle->engine->getPlugin(pluginId))

  1890.     {

  1891.         CARLA_SAFE_ASSERT_RETURN(midiProgramId < plugin->getMidiProgramCount(), gNullCharPtr);

  1892. 

  1893.         static char midiProgramName[STR_MAX+1];

  1894.         carla_zeroChars(midiProgramName, STR_MAX+1);

  1895. 

  1896.         if (! plugin->getMidiProgramName(midiProgramId, midiProgramName))

  1897.             midiProgramName[0] = '\0';

  1898. 

  1899.         return midiProgramName;

  1900.     }

  1901. 

  1902.     return gNullCharPtr;

  1903. }

  1904. 

  1905. const char* carla_get_real_plugin_name(CarlaHostHandle handle, uint pluginId)

  1906. {

  1907.     CARLA_SAFE_ASSERT_RETURN(handle->engine != nullptr, gNullCharPtr);

  1908. 

  1909.     if (const CarlaPluginPtr plugin = handle->engine->getPlugin(pluginId))

  1910.     {

  1911.         static char realPluginName[STR_MAX+1];

  1912.         carla_zeroChars(realPluginName, STR_MAX+1);

  1913. 

  1914.         if (! plugin->getRealName(realPluginName))

  1915.             realPluginName[0] = '\0';

  1916. 

  1917.         return realPluginName;

  1918.     }

  1919. 

  1920.     return gNullCharPtr;

  1921. }

  1922. 

  1923. // --------------------------------------------------------------------------------------------------------------------

  1924. 

  1925. int32_t carla_get_current_program_index(CarlaHostHandle handle, uint pluginId)

  1926. {

  1927.     CARLA_SAFE_ASSERT_RETURN(handle->engine != nullptr, -1);

  1928. 

  1929.     if (const CarlaPluginPtr plugin = handle->engine->getPlugin(pluginId))

  1930.         return plugin->getCurrentProgram();

  1931. 

  1932.     return -1;

  1933. }

  1934. 

  1935. int32_t carla_get_current_midi_program_index(CarlaHostHandle handle, uint pluginId)

  1936. {

  1937.     CARLA_SAFE_ASSERT_RETURN(handle->engine != nullptr, -1);

  1938. 

  1939.     if (const CarlaPluginPtr plugin = handle->engine->getPlugin(pluginId))

  1940.         return plugin->getCurrentMidiProgram();

  1941. 

  1942.     return -1;

  1943. }

  1944. 

  1945. // --------------------------------------------------------------------------------------------------------------------

  1946. 

  1947. float carla_get_default_parameter_value(CarlaHostHandle handle, uint pluginId, uint32_t parameterId)

  1948. {

  1949.     CARLA_SAFE_ASSERT_RETURN(handle->engine != nullptr, 0.0f);

  1950. 

  1951.     if (const CarlaPluginPtr plugin = handle->engine->getPlugin(pluginId))

  1952.     {

  1953.         CARLA_SAFE_ASSERT_RETURN(parameterId < plugin->getParameterCount(), 0.0f);

  1954. 

  1955.         return plugin->getParameterRanges(parameterId).def;

  1956.     }

  1957. 

  1958.     return 0.0f;

  1959. }

  1960. 

  1961. float carla_get_current_parameter_value(CarlaHostHandle handle, uint pluginId, uint32_t parameterId)

  1962. {

  1963.     CARLA_SAFE_ASSERT_RETURN(handle->engine != nullptr, 0.0f);

  1964. 

  1965.     if (const CarlaPluginPtr plugin = handle->engine->getPlugin(pluginId))

  1966.     {

  1967.         CARLA_SAFE_ASSERT_RETURN(parameterId < plugin->getParameterCount(), 0.0f);

  1968. 

  1969.         return plugin->getParameterValue(parameterId);

  1970.     }

  1971. 

  1972.     return 0.0f;

  1973. }

  1974. 

  1975. float carla_get_internal_parameter_value(CarlaHostHandle handle, uint pluginId, int32_t parameterId)

  1976. {

  1977. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  1978.     CARLA_SAFE_ASSERT_RETURN(handle->engine != nullptr, (parameterId == CB::PARAMETER_CTRL_CHANNEL) ? -1.0f : 0.0f);

  1979. #else

  1980.     CARLA_SAFE_ASSERT_RETURN(handle->engine != nullptr, 0.0f);

  1981. #endif

  1982.     CARLA_SAFE_ASSERT_RETURN(parameterId != CB::PARAMETER_NULL && parameterId > CB::PARAMETER_MAX, 0.0f);

  1983. 

  1984.     if (const CarlaPluginPtr plugin = handle->engine->getPlugin(pluginId))

  1985.         return plugin->getInternalParameterValue(parameterId);

  1986. 

  1987.     return 0.0f;

  1988. }

  1989. 

  1990. // --------------------------------------------------------------------------------------------------------------------

  1991. 

  1992. uint32_t carla_get_plugin_latency(CarlaHostHandle handle, uint pluginId)

  1993. {

  1994.     CARLA_SAFE_ASSERT_RETURN(handle->engine != nullptr, 0);

  1995. 

  1996.     if (const CarlaPluginPtr plugin = handle->engine->getPlugin(pluginId))

  1997.          return plugin->getLatencyInFrames();

  1998. 

  1999.     return 0;

  2000. }

  2001. 

  2002. // --------------------------------------------------------------------------------------------------------------------

  2003. 

  2004. const float* carla_get_peak_values(CarlaHostHandle handle, uint pluginId)

  2005. {

  2006.     CARLA_SAFE_ASSERT_RETURN(handle->engine != nullptr, nullptr);

  2007. 

  2008.     return handle->engine->getPeaks(pluginId);

  2009. }

  2010. 

  2011. float carla_get_input_peak_value(CarlaHostHandle handle, uint pluginId, bool isLeft)

  2012. {

  2013.     CARLA_SAFE_ASSERT_RETURN(handle->engine != nullptr, 0.0f);

  2014. 

  2015.     return handle->engine->getInputPeak(pluginId, isLeft);

  2016. }

  2017. 

  2018. float carla_get_output_peak_value(CarlaHostHandle handle, uint pluginId, bool isLeft)

  2019. {

  2020.     CARLA_SAFE_ASSERT_RETURN(handle->engine != nullptr, 0.0f);

  2021. 

  2022.     return handle->engine->getOutputPeak(pluginId, isLeft);

  2023. }

  2024. 

  2025. // --------------------------------------------------------------------------------------------------------------------

  2026. 

  2027. CARLA_BACKEND_START_NAMESPACE

  2028. 

  2029. #if !(defined(BUILD_BRIDGE_ALTERNATIVE_ARCH) || defined(CARLA_PLUGIN_ONLY_BRIDGE))

  2030. // defined in CarlaPluginInternal.cpp

  2031. const void* carla_render_inline_display_internal(const CarlaPluginPtr& plugin, uint32_t width, uint32_t height);

  2032. #endif

  2033. 

  2034. #ifndef CARLA_PLUGIN_ONLY_BRIDGE

  2035. // defined in CarlaPluginLV2.cpp

  2036. const void* carla_render_inline_display_lv2(const CarlaPluginPtr& plugin, uint32_t width, uint32_t height);

  2037. #endif

  2038. 

  2039. CARLA_BACKEND_END_NAMESPACE

  2040. 

  2041. const CarlaInlineDisplayImageSurface* carla_render_inline_display(CarlaHostHandle handle,

  2042.                                                                   uint pluginId,

  2043.                                                                   uint32_t width, uint32_t height)

  2044. {

  2045.     CARLA_SAFE_ASSERT_RETURN(handle->engine != nullptr && handle->engine->isRunning(), nullptr);

  2046. 

  2047.     if (handle->engine->isAboutToClose())

  2048.         return nullptr;

  2049. 

  2050.     if (const CarlaPluginPtr plugin = handle->engine->getPlugin(pluginId))

  2051.     {

  2052.         switch (plugin->getType())

  2053.         {

  2054. #if !(defined(BUILD_BRIDGE_ALTERNATIVE_ARCH) || defined(CARLA_PLUGIN_ONLY_BRIDGE))

  2055.         case CB::PLUGIN_INTERNAL:

  2056.             return (const CarlaInlineDisplayImageSurface*)CB::carla_render_inline_display_internal(plugin, width, height);

  2057. #endif

  2058. #ifndef CARLA_PLUGIN_ONLY_BRIDGE

  2059.         case CB::PLUGIN_LV2:

  2060.             return (const CarlaInlineDisplayImageSurface*)CB::carla_render_inline_display_lv2(plugin, width, height);

  2061. #endif

  2062.         default:

  2063.             return nullptr;

  2064.         }

  2065.     }

  2066. 

  2067.     return nullptr;

  2068. 

  2069.     // maybe unused

  2070.     (void)width;

  2071.     (void)height;

  2072. }

  2073. 

  2074. // --------------------------------------------------------------------------------------------------------------------

  2075. 

  2076. void carla_set_active(CarlaHostHandle handle, uint pluginId, bool onOff)

  2077. {

  2078.     CARLA_SAFE_ASSERT_RETURN(handle->engine != nullptr,);

  2079. 

  2080.     if (const CarlaPluginPtr plugin = handle->engine->getPlugin(pluginId))

  2081.         plugin->setActive(onOff, true, false);

  2082. }

  2083. 

  2084. #ifndef BUILD_BRIDGE

  2085. void carla_set_drywet(CarlaHostHandle handle, uint pluginId, float value)

  2086. {

  2087.     CARLA_SAFE_ASSERT_RETURN(handle->engine != nullptr,);

  2088. 

  2089.     if (const CarlaPluginPtr plugin = handle->engine->getPlugin(pluginId))

  2090.         plugin->setDryWet(value, true, false);

  2091. }

  2092. 

  2093. void carla_set_volume(CarlaHostHandle handle, uint pluginId, float value)

  2094. {

  2095.     CARLA_SAFE_ASSERT_RETURN(handle->engine != nullptr,);

  2096. 

  2097.     if (const CarlaPluginPtr plugin = handle->engine->getPlugin(pluginId))

  2098.         plugin->setVolume(value, true, false);

  2099. }

  2100. 

  2101. void carla_set_balance_left(CarlaHostHandle handle, uint pluginId, float value)

  2102. {

  2103.     CARLA_SAFE_ASSERT_RETURN(handle->engine != nullptr,);

  2104. 

  2105.     if (const CarlaPluginPtr plugin = handle->engine->getPlugin(pluginId))

  2106.         plugin->setBalanceLeft(value, true, false);

  2107. }

  2108. 

  2109. void carla_set_balance_right(CarlaHostHandle handle, uint pluginId, float value)

  2110. {

  2111.     CARLA_SAFE_ASSERT_RETURN(handle->engine != nullptr,);

  2112. 

  2113.     if (const CarlaPluginPtr plugin = handle->engine->getPlugin(pluginId))

  2114.         plugin->setBalanceRight(value, true, false);

  2115. }

  2116. 

  2117. void carla_set_panning(CarlaHostHandle handle, uint pluginId, float value)

  2118. {

  2119.     CARLA_SAFE_ASSERT_RETURN(handle->engine != nullptr,);

  2120. 

  2121.     if (const CarlaPluginPtr plugin = handle->engine->getPlugin(pluginId))

  2122.         plugin->setPanning(value, true, false);

  2123. }

  2124. 

  2125. void carla_set_ctrl_channel(CarlaHostHandle handle, uint pluginId, int8_t channel)

  2126. {

  2127.     CARLA_SAFE_ASSERT_RETURN(handle->engine != nullptr,);

  2128.     CARLA_SAFE_ASSERT_RETURN(channel >= -1 && channel < MAX_MIDI_CHANNELS,);

  2129. 

  2130.     if (const CarlaPluginPtr plugin = handle->engine->getPlugin(pluginId))

  2131.         plugin->setCtrlChannel(channel, true, false);

  2132. }

  2133. #endif

  2134. 

  2135. void carla_set_option(CarlaHostHandle handle, uint pluginId, uint option, bool yesNo)

  2136. {

  2137.     CARLA_SAFE_ASSERT_RETURN(handle->engine != nullptr,);

  2138. 

  2139.     if (const CarlaPluginPtr plugin = handle->engine->getPlugin(pluginId))

  2140.         plugin->setOption(option, yesNo, false);

  2141. }

  2142. 

  2143. // --------------------------------------------------------------------------------------------------------------------

  2144. 

  2145. void carla_set_parameter_value(CarlaHostHandle handle, uint pluginId, uint32_t parameterId, float value)

  2146. {

  2147.     CARLA_SAFE_ASSERT_RETURN(handle->engine != nullptr,);

  2148. 

  2149.     if (const CarlaPluginPtr plugin = handle->engine->getPlugin(pluginId))

  2150.     {

  2151.         CARLA_SAFE_ASSERT_RETURN(parameterId < plugin->getParameterCount(),);

  2152. 

  2153.         plugin->setParameterValue(parameterId, value, true, true, false);

  2154.     }

  2155. }

  2156. 

  2157. #ifndef BUILD_BRIDGE

  2158. 

  2159. void carla_set_parameter_midi_channel(CarlaHostHandle handle, uint pluginId, uint32_t parameterId, uint8_t channel)

  2160. {

  2161.     CARLA_SAFE_ASSERT_RETURN(handle->engine != nullptr,);

  2162.     CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2163. 

  2164.     if (const CarlaPluginPtr plugin = handle->engine->getPlugin(pluginId))

  2165.     {

  2166.         CARLA_SAFE_ASSERT_RETURN(parameterId < plugin->getParameterCount(),);

  2167. 

  2168.         plugin->setParameterMidiChannel(parameterId, channel, true, false);

  2169.     }

  2170. }

  2171. 

  2172. void carla_set_parameter_mapped_control_index(CarlaHostHandle handle, uint pluginId, uint32_t parameterId, int16_t index)

  2173. {

  2174.     CARLA_SAFE_ASSERT_RETURN(handle->engine != nullptr,);

  2175.     CARLA_SAFE_ASSERT_RETURN(index >= CB::CONTROL_INDEX_NONE && index <= CB::CONTROL_INDEX_MAX_ALLOWED,);

  2176. 

  2177.     if (const CarlaPluginPtr plugin = handle->engine->getPlugin(pluginId))

  2178.     {

  2179.         CARLA_SAFE_ASSERT_RETURN(parameterId < plugin->getParameterCount(),);

  2180. 

  2181.         plugin->setParameterMappedControlIndex(parameterId, index, true, false, true);

  2182.     }

  2183. }

  2184. 

  2185. void carla_set_parameter_mapped_range(CarlaHostHandle handle, uint pluginId, uint32_t parameterId, float minimum, float maximum)

  2186. {

  2187.     CARLA_SAFE_ASSERT_RETURN(handle->engine != nullptr,);

  2188. 

  2189.     if (const CarlaPluginPtr plugin = handle->engine->getPlugin(pluginId))

  2190.     {

  2191.         CARLA_SAFE_ASSERT_RETURN(parameterId < plugin->getParameterCount(),);

  2192. 

  2193.         plugin->setParameterMappedRange(parameterId, minimum, maximum, true, false);

  2194.     }

  2195. }

  2196. 

  2197. void carla_set_parameter_touch(CarlaHostHandle handle, uint pluginId, uint32_t parameterId, bool touch)

  2198. {

  2199.     CARLA_SAFE_ASSERT_RETURN(handle->engine != nullptr,);

  2200. 

  2201.     carla_debug("carla_set_parameter_touch(%p, %i, %i, %s)", handle, pluginId, parameterId, bool2str(touch));

  2202.     return handle->engine->touchPluginParameter(pluginId, parameterId, touch);

  2203. }

  2204. #endif

  2205. 

  2206. // --------------------------------------------------------------------------------------------------------------------

  2207. 

  2208. void carla_set_program(CarlaHostHandle handle, uint pluginId, uint32_t programId)

  2209. {

  2210.     CARLA_SAFE_ASSERT_RETURN(handle->engine != nullptr,);

  2211. 

  2212.     if (const CarlaPluginPtr plugin = handle->engine->getPlugin(pluginId))

  2213.     {

  2214.         CARLA_SAFE_ASSERT_RETURN(programId < plugin->getProgramCount(),);

  2215. 

  2216.         plugin->setProgram(static_cast<int32_t>(programId), true, true, false);

  2217.     }

  2218. }

  2219. 

  2220. void carla_set_midi_program(CarlaHostHandle handle, uint pluginId, uint32_t midiProgramId)

  2221. {

  2222.     CARLA_SAFE_ASSERT_RETURN(handle->engine != nullptr,);

  2223. 

  2224.     if (const CarlaPluginPtr plugin = handle->engine->getPlugin(pluginId))

  2225.     {

  2226.         CARLA_SAFE_ASSERT_RETURN(midiProgramId < plugin->getMidiProgramCount(),);

  2227. 

  2228.         plugin->setMidiProgram(static_cast<int32_t>(midiProgramId), true, true, false);

  2229.     }

  2230. }

  2231. 

  2232. // --------------------------------------------------------------------------------------------------------------------

  2233. 

  2234. void carla_set_custom_data(CarlaHostHandle handle, uint pluginId, const char* type, const char* key, const char* value)

  2235. {

  2236.     CARLA_SAFE_ASSERT_RETURN(handle->engine != nullptr,);

  2237.     CARLA_SAFE_ASSERT_RETURN(type != nullptr && type[0] != '\0',);

  2238.     CARLA_SAFE_ASSERT_RETURN(key != nullptr && key[0] != '\0',);

  2239.     CARLA_SAFE_ASSERT_RETURN(value != nullptr,);

  2240. 

  2241.     if (const CarlaPluginPtr plugin = handle->engine->getPlugin(pluginId))

  2242.         plugin->setCustomData(type, key, value, true);

  2243. }

  2244. 

  2245. void carla_set_chunk_data(CarlaHostHandle handle, uint pluginId, const char* chunkData)

  2246. {

  2247.     CARLA_SAFE_ASSERT_RETURN(handle->engine != nullptr,);

  2248.     CARLA_SAFE_ASSERT_RETURN(chunkData != nullptr && chunkData[0] != '\0',);

  2249. 

  2250.     if (const CarlaPluginPtr plugin = handle->engine->getPlugin(pluginId))

  2251.     {

  2252.         CARLA_SAFE_ASSERT_RETURN(plugin->getOptionsEnabled() & CB::PLUGIN_OPTION_USE_CHUNKS,);

  2253. 

  2254.         std::vector<uint8_t> chunk(carla_getChunkFromBase64String(chunkData));

  2255. #ifdef CARLA_PROPER_CPP11_SUPPORT

  2256.         plugin->setChunkData(chunk.data(), chunk.size());

  2257. #else

  2258.         plugin->setChunkData(&chunk.front(), chunk.size());

  2259. #endif

  2260.     }

  2261. }

  2262. 

  2263. // --------------------------------------------------------------------------------------------------------------------

  2264. 

  2265. void carla_prepare_for_save(CarlaHostHandle handle, uint pluginId)

  2266. {

  2267.     CARLA_SAFE_ASSERT_RETURN(handle->engine != nullptr,);

  2268. 

  2269.     if (const CarlaPluginPtr plugin = handle->engine->getPlugin(pluginId))

  2270.         plugin->prepareForSave(false);

  2271. }

  2272. 

  2273. void carla_reset_parameters(CarlaHostHandle handle, uint pluginId)

  2274. {

  2275.     CARLA_SAFE_ASSERT_RETURN(handle->engine != nullptr,);

  2276. 

  2277.     if (const CarlaPluginPtr plugin = handle->engine->getPlugin(pluginId))

  2278.         plugin->resetParameters();

  2279. }

  2280. 

  2281. void carla_randomize_parameters(CarlaHostHandle handle, uint pluginId)

  2282. {

  2283.     CARLA_SAFE_ASSERT_RETURN(handle->engine != nullptr,);

  2284. 

  2285.     if (const CarlaPluginPtr plugin = handle->engine->getPlugin(pluginId))

  2286.         plugin->randomizeParameters();

  2287. }

  2288. 

  2289. #ifndef BUILD_BRIDGE

  2290. void carla_send_midi_note(CarlaHostHandle handle, uint pluginId, uint8_t channel, uint8_t note, uint8_t velocity)

  2291. {

  2292.     CARLA_SAFE_ASSERT_RETURN(handle->engine != nullptr && handle->engine->isRunning(),);

  2293. 

  2294.     if (const CarlaPluginPtr plugin = handle->engine->getPlugin(pluginId))

  2295.         plugin->sendMidiSingleNote(channel, note, velocity, true, true, false);

  2296. }

  2297. #endif

  2298. 

  2299. void carla_set_custom_ui_title(CarlaHostHandle handle, uint pluginId, const char* title)

  2300. {

  2301.     CARLA_SAFE_ASSERT_RETURN(handle->engine != nullptr,);

  2302.     CARLA_SAFE_ASSERT_RETURN(title != nullptr,);

  2303. 

  2304.     if (const CarlaPluginPtr plugin = handle->engine->getPlugin(pluginId))

  2305.         plugin->setCustomUITitle(title);

  2306. }

  2307. 

  2308. void carla_show_custom_ui(CarlaHostHandle handle, uint pluginId, bool yesNo)

  2309. {

  2310.     CARLA_SAFE_ASSERT_RETURN(handle->engine != nullptr,);

  2311. 

  2312.     if (const CarlaPluginPtr plugin = handle->engine->getPlugin(pluginId))

  2313.         plugin->showCustomUI(yesNo);

  2314. }

  2315. 

  2316. void* carla_embed_custom_ui(CarlaHostHandle handle, uint pluginId, void* ptr)

  2317. {

  2318.     CARLA_SAFE_ASSERT_RETURN(handle->engine != nullptr, nullptr);

  2319. 

  2320.     if (const CarlaPluginPtr plugin = handle->engine->getPlugin(pluginId))

  2321.         return plugin->embedCustomUI(ptr);

  2322. 

  2323.     return nullptr;

  2324. }

  2325. 

  2326. // --------------------------------------------------------------------------------------------------------------------

  2327. 

  2328. uint32_t carla_get_buffer_size(CarlaHostHandle handle)

  2329. {

  2330.     CARLA_SAFE_ASSERT_RETURN(handle->engine != nullptr, 0);

  2331. 

  2332.     carla_debug("carla_get_buffer_size(%p)", handle);

  2333.     return handle->engine->getBufferSize();

  2334. }

  2335. 

  2336. double carla_get_sample_rate(CarlaHostHandle handle)

  2337. {

  2338.     CARLA_SAFE_ASSERT_RETURN(handle->engine != nullptr, 0.0);

  2339. 

  2340.     carla_debug("carla_get_sample_rate(%p)", handle);

  2341.     return handle->engine->getSampleRate();

  2342. }

  2343. 

  2344. // --------------------------------------------------------------------------------------------------------------------

  2345. 

  2346. const char* carla_get_last_error(CarlaHostHandle handle)

  2347. {

  2348.     carla_debug("carla_get_last_error(%p)", handle);

  2349. 

  2350.     if (handle->engine != nullptr)

  2351.         return handle->engine->getLastError();

  2352. 

  2353.     return handle->isStandalone

  2354.            ? ((CarlaHostStandalone*)handle)->lastError.buffer()

  2355.            : gNullCharPtr;

  2356. }

  2357. 

  2358. const char* carla_get_host_osc_url_tcp(CarlaHostHandle handle)

  2359. {

  2360.     carla_debug("carla_get_host_osc_url_tcp(%p)", handle);

  2361. 

  2362. #if defined(HAVE_LIBLO) && !defined(BUILD_BRIDGE)

  2363.     if (handle->engine == nullptr)

  2364.     {

  2365.         carla_stderr2("carla_get_host_osc_url_tcp() failed, engine is not running");

  2366.         if (handle->isStandalone)

  2367.             ((CarlaHostStandalone*)handle)->lastError = "Engine is not running";

  2368.         return gNullCharPtr;

  2369.     }

  2370. 

  2371.     const char* const path = handle->engine->getOscServerPathTCP();

  2372. 

  2373.     if (path != nullptr && path[0] != '\0')

  2374.         return path;

  2375. 

  2376.     static const char* const notAvailable = "(OSC TCP port not available)";

  2377.     return notAvailable;

  2378. #else

  2379.     return "(OSC support not available in this build)";

  2380. 

  2381.     // unused

  2382.     (void)handle;

  2383. #endif

  2384. }

  2385. 

  2386. const char* carla_get_host_osc_url_udp(CarlaHostHandle handle)

  2387. {

  2388.     carla_debug("carla_get_host_osc_url_udp(%p)", handle);

  2389. 

  2390. #if defined(HAVE_LIBLO) && !defined(BUILD_BRIDGE)

  2391.     if (handle->engine == nullptr)

  2392.     {

  2393.         carla_stderr2("carla_get_host_osc_url_udp() failed, engine is not running");

  2394.         if (handle->isStandalone)

  2395.             ((CarlaHostStandalone*)handle)->lastError = "Engine is not running";

  2396.         return gNullCharPtr;

  2397.     }

  2398. 

  2399.     const char* const path = handle->engine->getOscServerPathUDP();

  2400. 

  2401.     if (path != nullptr && path[0] != '\0')

  2402.         return path;

  2403. 

  2404.     static const char* const notAvailable = "(OSC UDP port not available)";

  2405.     return notAvailable;

  2406. #else

  2407.     return "(OSC support not available in this build)";

  2408. 

  2409.     // unused

  2410.     (void)handle;

  2411. #endif

  2412. }

  2413. 

  2414. // --------------------------------------------------------------------------------------------------------------------

  2415. 

  2416. #ifndef CARLA_PLUGIN_BUILD

  2417. # define CARLA_PLUGIN_UI_CLASS_PREFIX Standalone

  2418. # include "CarlaPluginUI.cpp"

  2419. # undef CARLA_PLUGIN_UI_CLASS_PREFIX

  2420. # include "CarlaDssiUtils.cpp"

  2421. # include "CarlaMacUtils.cpp"

  2422. # include "CarlaPatchbayUtils.cpp"

  2423. # include "CarlaPipeUtils.cpp"

  2424. # include "CarlaProcessUtils.cpp"

  2425. # include "CarlaStateUtils.cpp"

  2426. # include "utils/Information.cpp"

  2427. # include "utils/Windows.cpp"

  2428. #endif /* CARLA_PLUGIN_BUILD */

  2429. 

  2430. // --------------------------------------------------------------------------------------------------------------------