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Carla/source/backend/CarlaStandalone.cpp

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  1. /*

  2.  * Carla Standalone

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

  4.  *

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

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

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

  8.  * the License, or any later version.

  9.  *

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

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

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

  13.  * GNU General Public License for more details.

  14.  *

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

  16.  */

  17. 

  18. // TODO:

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

  20. 

  21. #include "CarlaHost.h"

  22. #include "CarlaMIDI.h"

  23. #include "CarlaNative.h"

  24. 

  25. #include "CarlaEngine.hpp"

  26. #include "CarlaPlugin.hpp"

  27. 

  28. #include "CarlaBackendUtils.hpp"

  29. #include "CarlaBase64Utils.hpp"

  30. #include "CarlaOscUtils.hpp"

  31. 

  32. #include "juce_audio_formats.h"

  33. 

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

  35. # include "juce_gui_basics.h"

  36. #else

  37. namespace juce {

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

  39. } // namespace juce

  40. #endif

  41. 

  42. namespace CB = CarlaBackend;

  43. using CB::EngineOptions;

  44. 

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

  46. // Single, standalone engine

  47. 

  48. struct CarlaBackendStandalone {

  49.     CarlaEngine*       engine;

  50.     EngineCallbackFunc engineCallback;

  51.     void*              engineCallbackPtr;

  52.     EngineOptions      engineOptions;

  53. 

  54.     FileCallbackFunc fileCallback;

  55.     void*            fileCallbackPtr;

  56. 

  57.     CarlaString lastError;

  58. 

  59.     CarlaBackendStandalone()

  60.         : engine(nullptr),

  61.           engineCallback(nullptr),

  62.           engineCallbackPtr(nullptr),

  63.           engineOptions(),

  64.           fileCallback(nullptr),

  65.           fileCallbackPtr(nullptr),

  66.           lastError()

  67.     {

  68. #ifdef BUILD_BRIDGE

  69.         engineOptions.processMode         = CB::ENGINE_PROCESS_MODE_BRIDGE;

  70.         engineOptions.transportMode       = CB::ENGINE_TRANSPORT_MODE_BRIDGE;

  71.         engineOptions.forceStereo         = false;

  72.         engineOptions.preferPluginBridges = false;

  73.         engineOptions.preferUiBridges     = false;

  74. 

  75.         using juce::File;

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

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

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

  79. #else

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

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

  82. #endif

  83.     }

  84. 

  85.     ~CarlaBackendStandalone()

  86.     {

  87.         CARLA_SAFE_ASSERT(engine == nullptr);

  88.     }

  89. 

  90.     CARLA_PREVENT_HEAP_ALLOCATION

  91.     CARLA_DECLARE_NON_COPY_STRUCT(CarlaBackendStandalone)

  92. };

  93. 

  94. static CarlaBackendStandalone gStandalone;

  95. 

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

  97. // NSM support

  98. 

  99. #define NSM_API_VERSION_MAJOR 1

  100. #define NSM_API_VERSION_MINOR 2

  101. 

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

  103. #define NSM_CLIENT_FEATURES ":switch:"

  104. 

  105. class CarlaNSM

  106. {

  107. public:

  108.     CarlaNSM() noexcept

  109.         : fOscServer(nullptr),

  110.           fClientId(),

  111.           fProjectPath(),

  112.           fHasBroadcast(false),

  113.           fHasShowHideUI(false) {}

  114. 

  115.     ~CarlaNSM()

  116.     {

  117.         if (fOscServer != nullptr)

  118.         {

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

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

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

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

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

  124.             lo_server_free(fOscServer);

  125.             fOscServer = nullptr;

  126.         }

  127.     }

  128. 

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

  130.     {

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

  132. 

  133.         if (NSM_URL == nullptr)

  134.             return;

  135. 

  136.         const lo_address addr = lo_address_new_from_url(NSM_URL);

  137. 

  138.         if (addr == nullptr)

  139.             return;

  140. 

  141.         const int proto = lo_address_get_protocol(addr);

  142. 

  143.         if (fOscServer == nullptr)

  144.         {

  145.             // create new OSC server

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

  147. 

  148.             // register message handlers and start OSC thread

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

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

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

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

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

  154.             // /nsm/client/session_is_loaded

  155.         }

  156. 

  157. #ifndef BUILD_ANSI_TEST

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

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

  160. #endif

  161. 

  162.         lo_address_free(addr);

  163.     }

  164. 

  165.     void idle() noexcept

  166.     {

  167.         if (fOscServer == nullptr)

  168.             return;

  169. 

  170.         for (;;)

  171.         {

  172.             try {

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

  174.                     break;

  175.             }

  176.             CARLA_SAFE_EXCEPTION_CONTINUE("NSM OSC idle")

  177.         }

  178.     }

  179. 

  180. protected:

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

  182.     {

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

  184. 

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

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

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

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

  189. 

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

  191. 

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

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

  194. 

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

  196. 

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

  198. 

  199.         return 0;

  200. 

  201. #ifndef DEBUG

  202.         // unused

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

  204. #endif

  205.     }

  206. 

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

  208.     {

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

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

  211. 

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

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

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

  215. 

  216.         if (! carla_is_engine_running())

  217.         {

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

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

  220. 

  221.             carla_engine_init("JACK", clientId);

  222.         }

  223.         else

  224.         {

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

  226. 

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

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

  229.         }

  230. 

  231.         fClientId = clientId;

  232. 

  233.         fProjectPath  = projectPath;

  234.         fProjectPath += ".carxp";

  235. 

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

  237. 

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

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

  240. 

  241. #ifndef BUILD_ANSI_TEST

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

  243. #endif

  244. 

  245. #if 0

  246.         if (fHasBroadcast)

  247.         {

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

  249. 

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

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

  252. 

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

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

  255. 

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

  257. 

  258.             std::free(url);

  259. 

  260.             carla_stdout("Broadcast sent!");

  261.         }

  262.         else

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

  264. #endif

  265. 

  266.         return 0;

  267. 

  268. #ifndef DEBUG

  269.         // unused

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

  271. #endif

  272.     }

  273. 

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

  275.     {

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

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

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

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

  280. 

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

  282. 

  283. #ifndef BUILD_ANSI_TEST

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

  285. #endif

  286. 

  287.         return 0;

  288. 

  289. #ifndef DEBUG

  290.         // unused

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

  292. #endif

  293.     }

  294. 

  295. #if 0

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

  297.     {

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

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

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

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

  302. 

  303. #ifndef BUILD_ANSI_TEST

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

  305. #endif

  306. 

  307.         return 0;

  308.     }

  309. #endif

  310. 

  311. private:

  312.     lo_server fOscServer;

  313. 

  314.     CarlaString fClientId;

  315.     CarlaString fProjectPath;

  316. 

  317.     bool fHasBroadcast;

  318.     bool fHasShowHideUI;

  319. 

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

  321. 

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

  323.     {

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

  325.     }

  326. 

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

  328.     {

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

  330.     }

  331. 

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

  333.     {

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

  335.     }

  336. 

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

  338.     {

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

  340.     }

  341. 

  342. #if 0

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

  344.     {

  345.         return handlePtr->handleShowHideGui(true);

  346.     }

  347. 

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

  349.     {

  350.         return handlePtr->handleShowHideGui(false);

  351.     }

  352. #endif

  353. 

  354.     #undef handlePtr

  355. 

  356.     CARLA_PREVENT_HEAP_ALLOCATION

  357.     CARLA_DECLARE_NON_COPY_CLASS(CarlaNSM)

  358. };

  359. 

  360. static CarlaNSM gNSM;

  361. 

  362. // -------------------------------------------------------------------------------------------------------------------

  363. // Always return a valid string ptr

  364. 

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

  366. 

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

  368. {

  369.     if (charPtr == nullptr)

  370.         charPtr = gNullCharPtr;

  371. }

  372. 

  373. // -------------------------------------------------------------------------------------------------------------------

  374. // Constructors

  375. 

  376. _CarlaPluginInfo::_CarlaPluginInfo() noexcept

  377.     : type(CB::PLUGIN_NONE),

  378.       category(CB::PLUGIN_CATEGORY_NONE),

  379.       hints(0x0),

  380.       optionsAvailable(0x0),

  381.       optionsEnabled(0x0),

  382.       filename(gNullCharPtr),

  383.       name(gNullCharPtr),

  384.       label(gNullCharPtr),

  385.       maker(gNullCharPtr),

  386.       copyright(gNullCharPtr),

  387.       iconName(gNullCharPtr),

  388.       uniqueId(0) {}

  389. 

  390. _CarlaPluginInfo::~_CarlaPluginInfo() noexcept

  391. {

  392.     if (label != gNullCharPtr)

  393.         delete[] label;

  394.     if (maker != gNullCharPtr)

  395.         delete[] maker;

  396.     if (copyright != gNullCharPtr)

  397.         delete[] copyright;

  398. }

  399. 

  400. _CarlaNativePluginInfo::_CarlaNativePluginInfo() noexcept

  401.     : category(CB::PLUGIN_CATEGORY_NONE),

  402.       hints(0x0),

  403.       audioIns(0),

  404.       audioOuts(0),

  405.       midiIns(0),

  406.       midiOuts(0),

  407.       parameterIns(0),

  408.       parameterOuts(0),

  409.       name(gNullCharPtr),

  410.       label(gNullCharPtr),

  411.       maker(gNullCharPtr),

  412.       copyright(gNullCharPtr) {}

  413. 

  414. _CarlaParameterInfo::_CarlaParameterInfo() noexcept

  415.     : name(gNullCharPtr),

  416.       symbol(gNullCharPtr),

  417.       unit(gNullCharPtr),

  418.       scalePointCount(0) {}

  419. 

  420. _CarlaParameterInfo::~_CarlaParameterInfo() noexcept

  421. {

  422.     if (name != gNullCharPtr)

  423.         delete[] name;

  424.     if (symbol != gNullCharPtr)

  425.         delete[] symbol;

  426.     if (unit != gNullCharPtr)

  427.         delete[] unit;

  428. }

  429. 

  430. _CarlaScalePointInfo::_CarlaScalePointInfo() noexcept

  431.     : value(0.0f),

  432.       label(gNullCharPtr) {}

  433. 

  434. _CarlaScalePointInfo::~_CarlaScalePointInfo() noexcept

  435. {

  436.     if (label != gNullCharPtr)

  437.         delete[] label;

  438. }

  439. 

  440. _CarlaTransportInfo::_CarlaTransportInfo() noexcept

  441.     : playing(false),

  442.       frame(0),

  443.       bar(0),

  444.       beat(0),

  445.       tick(0),

  446.       bpm(0.0) {}

  447. 

  448. // -------------------------------------------------------------------------------------------------------------------

  449. // API

  450. 

  451. const char* carla_get_complete_license_text()

  452. {

  453.     carla_debug("carla_get_complete_license_text()");

  454. 

  455.     static CarlaString retText;

  456. 

  457.     if (retText.isEmpty())

  458.     {

  459.         CarlaString text1, text2, text3, text4, text5;

  460. 

  461.         text1 += "<p>This current Carla build is using the following features and 3rd-party code:</p>";

  462.         text1 += "<ul>";

  463. 

  464.         // Plugin formats

  465.         text2 += "<li>LADSPA plugin support, http://www.ladspa.org/</li>";

  466.         text2 += "<li>DSSI plugin support, http://dssi.sourceforge.net/</li>";

  467.         text2 += "<li>LV2 plugin support, http://lv2plug.in/</li>";

  468. #ifdef VESTIGE_HEADER

  469.         text2 += "<li>VST plugin support, using VeSTige header by Javier Serrano Polo</li>";

  470. #else

  471.         text2 += "<li>VST plugin support, using official VST SDK 2.4 (trademark of Steinberg Media Technologies GmbH)</li>";

  472. #endif

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

  474.         text2 += "<li>VST3 plugin support, using official VST SDK 3.6 (trademark of Steinberg Media Technologies GmbH)</li>";

  475. #endif

  476. #ifdef CARLA_OS_MAC

  477.         text2 += "<li>AU plugin support</li>";

  478. #endif

  479. 

  480.         // Sample kit libraries

  481. #ifdef HAVE_FLUIDSYNTH

  482.         text2 += "<li>FluidSynth library for SF2 support, http://www.fluidsynth.org/</li>";

  483. #endif

  484. #ifdef HAVE_LINUXSAMPLER

  485.         text2 += "<li>LinuxSampler library for GIG and SFZ support*, http://www.linuxsampler.org/</li>";

  486. #endif

  487. 

  488.         // Internal plugins

  489.         text3 += "<li>NekoFilter plugin code, based on lv2fil by Nedko Arnaudov and Fons Adriaensen</li>";

  490. #ifdef WANT_ZYNADDSUBFX

  491.         text3 += "<li>ZynAddSubFX plugin code, http://zynaddsubfx.sf.net/</li>";

  492. # ifdef WANT_ZYNADDSUBFX_UI

  493.         text3 += "<li>ZynAddSubFX UI using NTK, http://non.tuxfamily.org/wiki/NTK</li>";

  494. # endif

  495. #endif

  496. 

  497.         // misc libs

  498.         text4 += "<li>liblo library for OSC support, http://liblo.sourceforge.net/</li>";

  499.         text4 += "<li>serd, sord, sratom and lilv libraries for LV2 discovery, http://drobilla.net/software/lilv/</li>";

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

  501.         text4 += "<li>RtAudio+RtMidi libraries for extra Audio and MIDI support, http://www.music.mcgill.ca/~gary/rtaudio/</li>";

  502. #endif

  503. 

  504.         // end

  505.         text5 += "</ul>";

  506. 

  507. #ifdef HAVE_LINUXSAMPLER

  508.         // LinuxSampler GPL exception

  509.         text5 += "<p>(*) Using LinuxSampler code in commercial hardware or software products is not allowed without prior written authorization by the authors.</p>";

  510. #endif

  511. 

  512.         retText = text1 + text2 + text3 + text4 + text5;

  513.     }

  514. 

  515.     return retText;

  516. }

  517. 

  518. const char* carla_get_juce_version()

  519. {

  520.     carla_debug("carla_get_juce_version()");

  521. 

  522.     static CarlaString retVersion;

  523. 

  524.     if (retVersion.isEmpty())

  525.     {

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

  527.             retVersion = version+6;

  528.         else

  529.             retVersion = "3.0";

  530.     }

  531. 

  532.     return retVersion;

  533. }

  534. 

  535. const char* carla_get_supported_file_extensions()

  536. {

  537.     carla_debug("carla_get_supported_file_extensions()");

  538. 

  539.     static CarlaString retText;

  540. 

  541.     if (retText.isEmpty())

  542.     {

  543.         // Base types

  544.         retText += "*.carxp;*.carxs";

  545. 

  546.         // Sample kits

  547. #ifdef HAVE_FLUIDSYNTH

  548.         retText += ";*.sf2";

  549. #endif

  550. #ifdef HAVE_LINUXSAMPLER

  551.         retText += ";*.gig;*.sfz";

  552. #endif

  553. 

  554. #ifndef BUILD_BRIDGE

  555.         // Audio files

  556.         {

  557.             using namespace juce;

  558. 

  559.             AudioFormatManager afm;

  560.             afm.registerBasicFormats();

  561. 

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

  563.             {

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

  565. 

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

  567.                     retText += String(";*" + (*eit)).toRawUTF8();

  568.             }

  569.         }

  570. #endif

  571. 

  572.         // MIDI files

  573.         retText += ";*.mid;*.midi";

  574. 

  575.         // Plugin presets

  576. #ifdef WANT_ZYNADDSUBFX

  577.         retText += ";*.xmz;*.xiz";

  578. #endif

  579.     }

  580. 

  581.     return retText;

  582. }

  583. 

  584. // -------------------------------------------------------------------------------------------------------------------

  585. 

  586. uint carla_get_engine_driver_count()

  587. {

  588.     carla_debug("carla_get_engine_driver_count()");

  589. 

  590.     return CarlaEngine::getDriverCount();

  591. }

  592. 

  593. const char* carla_get_engine_driver_name(uint index)

  594. {

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

  596. 

  597.     return CarlaEngine::getDriverName(index);

  598. }

  599. 

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

  601. {

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

  603. 

  604.     return CarlaEngine::getDriverDeviceNames(index);

  605. }

  606. 

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

  608. {

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

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

  611. 

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

  613.     {

  614.         static EngineDriverDeviceInfo devInfo;

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

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

  617. 

  618.         devInfo.hints       = ret->hints;

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

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

  621.         return &devInfo;

  622.     }

  623. 

  624.     return nullptr;

  625. }

  626. 

  627. #ifndef BUILD_BRIDGE

  628. // -------------------------------------------------------------------------------------------------------------------

  629. 

  630. uint carla_get_internal_plugin_count()

  631. {

  632.     carla_debug("carla_get_internal_plugin_count()");

  633. 

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

  635. }

  636. 

  637. const CarlaNativePluginInfo* carla_get_internal_plugin_info(uint index)

  638. {

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

  640. 

  641.     static CarlaNativePluginInfo info;

  642. 

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

  644. 

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

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

  647. 

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

  649.      info.hints    = 0x0;

  650. 

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

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

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

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

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

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

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

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

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

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

  661. 

  662.      info.audioIns  = nativePlugin->audioIns;

  663.      info.audioOuts = nativePlugin->audioOuts;

  664.      info.midiIns   = nativePlugin->midiIns;

  665.      info.midiOuts  = nativePlugin->midiOuts;

  666.      info.parameterIns  = nativePlugin->paramIns;

  667.      info.parameterOuts = nativePlugin->paramOuts;

  668. 

  669.      info.name      = nativePlugin->name;

  670.      info.label     = nativePlugin->label;

  671.      info.maker     = nativePlugin->maker;

  672.      info.copyright = nativePlugin->copyright;

  673. 

  674.      checkStringPtr(info.name);

  675.      checkStringPtr(info.label);

  676.      checkStringPtr(info.maker);

  677.      checkStringPtr(info.copyright);

  678. 

  679.     return &info;

  680. }

  681. #endif

  682. 

  683. // -------------------------------------------------------------------------------------------------------------------

  684. 

  685. const CarlaEngine* carla_get_engine()

  686. {

  687.     carla_debug("carla_get_engine()");

  688. 

  689.     return gStandalone.engine;

  690. }

  691. 

  692. // -------------------------------------------------------------------------------------------------------------------

  693. 

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

  695. {

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

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

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

  699. 

  700.     if (gStandalone.engine != nullptr)

  701.     {

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

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

  704.         return false;

  705.     }

  706. 

  707. #ifdef CARLA_OS_WIN

  708.     carla_setenv("WINEASIO_CLIENT_NAME", clientName);

  709. #endif

  710. 

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

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

  713.     {

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

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

  716.     }

  717. 

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

  719. 

  720.     if (gStandalone.engine == nullptr)

  721.     {

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

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

  724.         return false;

  725.     }

  726. 

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

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

  729. 

  730. #ifdef BUILD_BRIDGE

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

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

  733. #else

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

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

  736. #endif

  737. 

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

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

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

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

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

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

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

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

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

  747. 

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

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

  750. 

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

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

  753. 

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

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

  756. 

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

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

  759. 

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

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

  762. 

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

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

  765. 

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

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

  768. 

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

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

  771. 

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

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

  774. 

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

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

  777. 

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

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

  780. 

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

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

  783. 

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

  785.     {

  786.         char strBuf[STR_MAX+1];

  787.         std::sprintf(strBuf, P_UINTPTR, gStandalone.engineOptions.frontendWinId);

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

  789.     }

  790.     else

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

  792. 

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

  794.     {

  795. #ifndef BUILD_BRIDGE

  796.         juce::initialiseJuce_GUI();

  797. #endif

  798.         gStandalone.lastError = "No error";

  799.         return true;

  800.     }

  801.     else

  802.     {

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

  804.         delete gStandalone.engine;

  805.         gStandalone.engine = nullptr;

  806.         return false;

  807.     }

  808. }

  809. 

  810. #ifdef BUILD_BRIDGE

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

  812. {

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

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

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

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

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

  818. 

  819.     if (gStandalone.engine != nullptr)

  820.     {

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

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

  823.         return false;

  824.     }

  825. 

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

  827. 

  828.     if (gStandalone.engine == nullptr)

  829.     {

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

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

  832.         return false;

  833.     }

  834. 

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

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

  837. 

  838.     // forced options for bridge mode

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

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

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

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

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

  844. 

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

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

  847. 

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

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

  850. 

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

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

  853. 

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

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

  856. 

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

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

  859. 

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

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

  862. 

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

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

  865. 

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

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

  868. 

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

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

  871. 

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

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

  874. 

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

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

  877. 

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

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

  880. 

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

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

  883. 

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

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

  886. 

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

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

  889. 

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

  891.     {

  892.         gStandalone.lastError = "No error";

  893.         return true;

  894.     }

  895.     else

  896.     {

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

  898.         delete gStandalone.engine;

  899.         gStandalone.engine = nullptr;

  900.         return false;

  901.     }

  902. }

  903. #endif

  904. 

  905. bool carla_engine_close()

  906. {

  907.     carla_debug("carla_engine_close()");

  908. 

  909.     if (gStandalone.engine == nullptr)

  910.     {

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

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

  913.         return false;

  914.     }

  915. 

  916.     gStandalone.engine->setAboutToClose();

  917.     gStandalone.engine->removeAllPlugins();

  918. 

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

  920. 

  921.     if (! closed)

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

  923. 

  924. #ifndef BUILD_BRIDGE

  925.     juce::shutdownJuce_GUI();

  926. #endif

  927.     delete gStandalone.engine;

  928.     gStandalone.engine = nullptr;

  929. 

  930.     return closed;

  931. }

  932. 

  933. void carla_engine_idle()

  934. {

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

  936. 

  937.     gNSM.idle();

  938.     gStandalone.engine->idle();

  939. }

  940. 

  941. bool carla_is_engine_running()

  942. {

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

  944. }

  945. 

  946. void carla_set_engine_about_to_close()

  947. {

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

  949.     carla_debug("carla_set_engine_about_to_close()");

  950. 

  951.     gStandalone.engine->setAboutToClose();

  952. }

  953. 

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

  955. {

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

  957. 

  958.     gStandalone.engineCallback    = func;

  959.     gStandalone.engineCallbackPtr = ptr;

  960. 

  961.     if (gStandalone.engine != nullptr)

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

  963. 

  964. //#ifdef WANT_LOGS

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

  966. //#endif

  967. }

  968. 

  969. #ifndef BUILD_BRIDGE

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

  971. {

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

  973. 

  974.     switch (option)

  975.     {

  976.     case CB::ENGINE_OPTION_DEBUG:

  977.         break;

  978. 

  979.     case CB::ENGINE_OPTION_PROCESS_MODE:

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

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

  982.         break;

  983. 

  984.     case CB::ENGINE_OPTION_TRANSPORT_MODE:

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

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

  987.         break;

  988. 

  989.     case CB::ENGINE_OPTION_FORCE_STEREO:

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

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

  992.         break;

  993. 

  994.     case CB::ENGINE_OPTION_PREFER_PLUGIN_BRIDGES:

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

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

  997.         break;

  998. 

  999.     case CB::ENGINE_OPTION_PREFER_UI_BRIDGES:

  1000.         CARLA_SAFE_ASSERT_RETURN(value == 0 || value == 1,);

  1001.         gStandalone.engineOptions.preferUiBridges = (value != 0);

  1002.         break;

  1003. 

  1004.     case CB::ENGINE_OPTION_UIS_ALWAYS_ON_TOP:

  1005.         CARLA_SAFE_ASSERT_RETURN(value == 0 || value == 1,);

  1006.         gStandalone.engineOptions.uisAlwaysOnTop = (value != 0);

  1007.         break;

  1008. 

  1009.     case CB::ENGINE_OPTION_MAX_PARAMETERS:

  1010.         CARLA_SAFE_ASSERT_RETURN(value >= 0,);

  1011.         gStandalone.engineOptions.maxParameters = static_cast<uint>(value);

  1012.         break;

  1013. 

  1014.     case CB::ENGINE_OPTION_UI_BRIDGES_TIMEOUT:

  1015.         CARLA_SAFE_ASSERT_RETURN(value >= 0,);

  1016.         gStandalone.engineOptions.uiBridgesTimeout = static_cast<uint>(value);

  1017.         break;

  1018. 

  1019.     case CB::ENGINE_OPTION_AUDIO_NUM_PERIODS:

  1020.         CARLA_SAFE_ASSERT_RETURN(value >= 2 && value <= 3,);

  1021.         gStandalone.engineOptions.audioNumPeriods = static_cast<uint>(value);

  1022.         break;

  1023. 

  1024.     case CB::ENGINE_OPTION_AUDIO_BUFFER_SIZE:

  1025.         CARLA_SAFE_ASSERT_RETURN(value >= 8,);

  1026.         gStandalone.engineOptions.audioBufferSize = static_cast<uint>(value);

  1027.         break;

  1028. 

  1029.     case CB::ENGINE_OPTION_AUDIO_SAMPLE_RATE:

  1030.         CARLA_SAFE_ASSERT_RETURN(value >= 22050,);

  1031.         gStandalone.engineOptions.audioSampleRate = static_cast<uint>(value);

  1032.         break;

  1033. 

  1034.     case CB::ENGINE_OPTION_AUDIO_DEVICE:

  1035.         CARLA_SAFE_ASSERT_RETURN(valueStr != nullptr,);

  1036. 

  1037.         if (gStandalone.engineOptions.audioDevice != nullptr)

  1038.             delete[] gStandalone.engineOptions.audioDevice;

  1039. 

  1040.         gStandalone.engineOptions.audioDevice = carla_strdup_safe(valueStr);

  1041.         break;

  1042. 

  1043.     case CB:: ENGINE_OPTION_NSM_INIT:

  1044.         CARLA_SAFE_ASSERT_RETURN(value != 0,);

  1045.         CARLA_SAFE_ASSERT_RETURN(valueStr != nullptr && valueStr[0] != '\0',);

  1046.         gNSM.announce(value, valueStr);

  1047.         break;

  1048. 

  1049.     case CB::ENGINE_OPTION_PLUGIN_PATH:

  1050.         CARLA_SAFE_ASSERT_RETURN(value > CB::PLUGIN_NONE,);

  1051.         CARLA_SAFE_ASSERT_RETURN(value <= CB::PLUGIN_SFZ,);

  1052.         CARLA_SAFE_ASSERT_RETURN(valueStr != nullptr,);

  1053. 

  1054.         switch (value)

  1055.         {

  1056.         case CB::PLUGIN_LADSPA:

  1057.             if (gStandalone.engineOptions.pathLADSPA != nullptr)

  1058.                 delete[] gStandalone.engineOptions.pathLADSPA;

  1059.             gStandalone.engineOptions.pathLADSPA = carla_strdup_safe(valueStr);

  1060.             break;

  1061.         case CB::PLUGIN_DSSI:

  1062.             if (gStandalone.engineOptions.pathDSSI != nullptr)

  1063.                 delete[] gStandalone.engineOptions.pathDSSI;

  1064.             gStandalone.engineOptions.pathDSSI = carla_strdup_safe(valueStr);

  1065.             break;

  1066.         case CB::PLUGIN_LV2:

  1067.             if (gStandalone.engineOptions.pathLV2 != nullptr)

  1068.                 delete[] gStandalone.engineOptions.pathLV2;

  1069.             gStandalone.engineOptions.pathLV2 = carla_strdup_safe(valueStr);

  1070.             break;

  1071.         case CB::PLUGIN_VST:

  1072.             if (gStandalone.engineOptions.pathVST != nullptr)

  1073.                 delete[] gStandalone.engineOptions.pathVST;

  1074.             gStandalone.engineOptions.pathVST = carla_strdup_safe(valueStr);

  1075.             break;

  1076.         case CB::PLUGIN_VST3:

  1077.             if (gStandalone.engineOptions.pathVST3 != nullptr)

  1078.                 delete[] gStandalone.engineOptions.pathVST3;

  1079.             gStandalone.engineOptions.pathVST3 = carla_strdup_safe(valueStr);

  1080.             break;

  1081.         case CB::PLUGIN_AU:

  1082.             if (gStandalone.engineOptions.pathAU != nullptr)

  1083.                 delete[] gStandalone.engineOptions.pathAU;

  1084.             gStandalone.engineOptions.pathAU = carla_strdup_safe(valueStr);

  1085.             break;

  1086.         case CB::PLUGIN_GIG:

  1087.             if (gStandalone.engineOptions.pathGIG != nullptr)

  1088.                 delete[] gStandalone.engineOptions.pathGIG;

  1089.             gStandalone.engineOptions.pathGIG = carla_strdup_safe(valueStr);

  1090.             break;

  1091.         case CB::PLUGIN_SF2:

  1092.             if (gStandalone.engineOptions.pathSF2 != nullptr)

  1093.                 delete[] gStandalone.engineOptions.pathSF2;

  1094.             gStandalone.engineOptions.pathSF2 = carla_strdup_safe(valueStr);

  1095.             break;

  1096.         case CB::PLUGIN_SFZ:

  1097.             if (gStandalone.engineOptions.pathSFZ != nullptr)

  1098.                 delete[] gStandalone.engineOptions.pathSFZ;

  1099.             gStandalone.engineOptions.pathSFZ = carla_strdup_safe(valueStr);

  1100.             break;

  1101.         }

  1102.         break;

  1103. 

  1104.     case CB::ENGINE_OPTION_PATH_BINARIES:

  1105.         CARLA_SAFE_ASSERT_RETURN(valueStr != nullptr && valueStr[0] != '\0',);

  1106. 

  1107.         if (gStandalone.engineOptions.binaryDir != nullptr)

  1108.             delete[] gStandalone.engineOptions.binaryDir;

  1109. 

  1110.         gStandalone.engineOptions.binaryDir = carla_strdup_safe(valueStr);

  1111.         break;

  1112. 

  1113.     case CB::ENGINE_OPTION_PATH_RESOURCES:

  1114.         CARLA_SAFE_ASSERT_RETURN(valueStr != nullptr && valueStr[0] != '\0',);

  1115. 

  1116.         if (gStandalone.engineOptions.resourceDir != nullptr)

  1117.             delete[] gStandalone.engineOptions.resourceDir;

  1118. 

  1119.         gStandalone.engineOptions.resourceDir = carla_strdup_safe(valueStr);

  1120.         break;

  1121. 

  1122.     case CB::ENGINE_OPTION_FRONTEND_WIN_ID:

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

  1124.         const long long winId(std::strtoll(valueStr, nullptr, 16));

  1125.         CARLA_SAFE_ASSERT_RETURN(winId >= 0,);

  1126.         gStandalone.engineOptions.frontendWinId = static_cast<uintptr_t>(winId);

  1127.         break;

  1128.     }

  1129. 

  1130.     if (gStandalone.engine != nullptr)

  1131.         gStandalone.engine->setOption(option, value, valueStr);

  1132. }

  1133. #endif

  1134. 

  1135. void carla_set_file_callback(FileCallbackFunc func, void* ptr)

  1136. {

  1137.     carla_debug("carla_set_file_callback(%p, %p)", func, ptr);

  1138. 

  1139.     gStandalone.fileCallback    = func;

  1140.     gStandalone.fileCallbackPtr = ptr;

  1141. 

  1142.     if (gStandalone.engine != nullptr)

  1143.         gStandalone.engine->setFileCallback(func, ptr);

  1144. }

  1145. 

  1146. // -------------------------------------------------------------------------------------------------------------------

  1147. 

  1148. bool carla_load_file(const char* filename)

  1149. {

  1150.     CARLA_SAFE_ASSERT_RETURN(filename != nullptr && filename[0] != '\0', false);

  1151.     carla_debug("carla_load_file(\"%s\")", filename);

  1152. 

  1153.     if (gStandalone.engine != nullptr)

  1154.         return gStandalone.engine->loadFile(filename);

  1155. 

  1156.     carla_stderr2("Engine is not running");

  1157.     gStandalone.lastError = "Engine is not running";

  1158.     return false;

  1159. }

  1160. 

  1161. bool carla_load_project(const char* filename)

  1162. {

  1163.     CARLA_SAFE_ASSERT_RETURN(filename != nullptr && filename[0] != '\0', false);

  1164.     carla_debug("carla_load_project(\"%s\")", filename);

  1165. 

  1166.     if (gStandalone.engine != nullptr)

  1167.         return gStandalone.engine->loadProject(filename);

  1168. 

  1169.     carla_stderr2("Engine is not running");

  1170.     gStandalone.lastError = "Engine is not running";

  1171.     return false;

  1172. }

  1173. 

  1174. bool carla_save_project(const char* filename)

  1175. {

  1176.     CARLA_SAFE_ASSERT_RETURN(filename != nullptr && filename[0] != '\0', false);

  1177.     carla_debug("carla_save_project(\"%s\")", filename);

  1178. 

  1179.     if (gStandalone.engine != nullptr)

  1180.         return gStandalone.engine->saveProject(filename);

  1181. 

  1182.     carla_stderr2("Engine was never initiated");

  1183.     gStandalone.lastError = "Engine was never initiated";

  1184.     return false;

  1185. }

  1186. 

  1187. #ifndef BUILD_BRIDGE

  1188. // -------------------------------------------------------------------------------------------------------------------

  1189. 

  1190. bool carla_patchbay_connect(uint groupIdA, uint portIdA, uint groupIdB, uint portIdB)

  1191. {

  1192.     carla_debug("carla_patchbay_connect(%u, %u, %u, %u)", groupIdA, portIdA, groupIdB, portIdB);

  1193. 

  1194.     if (gStandalone.engine != nullptr)

  1195.         return gStandalone.engine->patchbayConnect(groupIdA, portIdA, groupIdB, portIdB);

  1196. 

  1197.     carla_stderr2("Engine is not running");

  1198.     gStandalone.lastError = "Engine is not running";

  1199.     return false;

  1200. }

  1201. 

  1202. bool carla_patchbay_disconnect(uint connectionId)

  1203. {

  1204.     carla_debug("carla_patchbay_disconnect(%i)", connectionId);

  1205. 

  1206.     if (gStandalone.engine != nullptr)

  1207.         return gStandalone.engine->patchbayDisconnect(connectionId);

  1208. 

  1209.     carla_stderr2("Engine is not running");

  1210.     gStandalone.lastError = "Engine is not running";

  1211.     return false;

  1212. }

  1213. 

  1214. bool carla_patchbay_refresh(bool external)

  1215. {

  1216.     carla_debug("carla_patchbay_refresh(%s)", bool2str(external));

  1217. 

  1218.     if (gStandalone.engine != nullptr)

  1219.         return gStandalone.engine->patchbayRefresh(external);

  1220. 

  1221.     carla_stderr2("Engine is not running");

  1222.     gStandalone.lastError = "Engine is not running";

  1223.     return false;

  1224. }

  1225. 

  1226. // -------------------------------------------------------------------------------------------------------------------

  1227. 

  1228. void carla_transport_play()

  1229. {

  1230.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr && gStandalone.engine->isRunning(),);

  1231.     carla_debug("carla_transport_play()");

  1232. 

  1233.     gStandalone.engine->transportPlay();

  1234. }

  1235. 

  1236. void carla_transport_pause()

  1237. {

  1238.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr && gStandalone.engine->isRunning(),);

  1239.     carla_debug("carla_transport_pause()");

  1240. 

  1241.     gStandalone.engine->transportPause();

  1242. }

  1243. 

  1244. void carla_transport_relocate(uint64_t frame)

  1245. {

  1246.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr && gStandalone.engine->isRunning(),);

  1247.     carla_debug("carla_transport_relocate(%i)", frame);

  1248. 

  1249.     gStandalone.engine->transportRelocate(frame);

  1250. }

  1251. 

  1252. uint64_t carla_get_current_transport_frame()

  1253. {

  1254.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr && gStandalone.engine->isRunning(), 0);

  1255. 

  1256.     const CB::EngineTimeInfo& timeInfo(gStandalone.engine->getTimeInfo());

  1257.     return timeInfo.frame;

  1258. }

  1259. 

  1260. const CarlaTransportInfo* carla_get_transport_info()

  1261. {

  1262.     static CarlaTransportInfo retInfo;

  1263. 

  1264.     // reset

  1265.     retInfo.playing = false;

  1266.     retInfo.frame   = 0;

  1267.     retInfo.bar     = 0;

  1268.     retInfo.beat    = 0;

  1269.     retInfo.tick    = 0;

  1270.     retInfo.bpm     = 0.0;

  1271. 

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

  1273. 

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

  1275. 

  1276.     retInfo.playing = timeInfo.playing;

  1277.     retInfo.frame   = timeInfo.frame;

  1278. 

  1279.     if (timeInfo.valid & CB::EngineTimeInfo::kValidBBT)

  1280.     {

  1281.         retInfo.bar  = timeInfo.bbt.bar;

  1282.         retInfo.beat = timeInfo.bbt.beat;

  1283.         retInfo.tick = timeInfo.bbt.tick;

  1284.         retInfo.bpm  = timeInfo.bbt.beatsPerMinute;

  1285.     }

  1286. 

  1287.     return &retInfo;

  1288. }

  1289. #endif

  1290. 

  1291. // -------------------------------------------------------------------------------------------------------------------

  1292. 

  1293. bool carla_add_plugin(BinaryType btype, PluginType ptype, const char* filename, const char* name, const char* label, int64_t uniqueId, const void* extraPtr)

  1294. {

  1295.     CARLA_SAFE_ASSERT_RETURN(label != nullptr /*&& label[0] != '\0'*/, false);

  1296.     carla_debug("carla_add_plugin(%i:%s, %i:%s, \"%s\", \"%s\", \"%s\", " P_INT64 ", %p)", btype, CB::BinaryType2Str(btype), ptype, CB::PluginType2Str(ptype), filename, name, label, uniqueId, extraPtr);

  1297. 

  1298.     if (gStandalone.engine != nullptr)

  1299.         return gStandalone.engine->addPlugin(btype, ptype, filename, name, label, uniqueId, extraPtr);

  1300. 

  1301.     carla_stderr2("Engine is not running");

  1302.     gStandalone.lastError = "Engine is not running";

  1303.     return false;

  1304. }

  1305. 

  1306. bool carla_remove_plugin(uint pluginId)

  1307. {

  1308.     carla_debug("carla_remove_plugin(%i)", pluginId);

  1309. 

  1310.     if (gStandalone.engine != nullptr)

  1311.         return gStandalone.engine->removePlugin(pluginId);

  1312. 

  1313.     carla_stderr2("Engine is not running");

  1314.     gStandalone.lastError = "Engine is not running";

  1315.     return false;

  1316. }

  1317. 

  1318. bool carla_remove_all_plugins()

  1319. {

  1320.     carla_debug("carla_remove_all_plugins()");

  1321. 

  1322.     if (gStandalone.engine != nullptr)

  1323.         return gStandalone.engine->removeAllPlugins();

  1324. 

  1325.     carla_stderr2("Engine is not running");

  1326.     gStandalone.lastError = "Engine is not running";

  1327.     return false;

  1328. }

  1329. 

  1330. #ifndef BUILD_BRIDGE

  1331. const char* carla_rename_plugin(uint pluginId, const char* newName)

  1332. {

  1333.     CARLA_SAFE_ASSERT_RETURN(newName != nullptr && newName[0] != '\0', nullptr);

  1334.     carla_debug("carla_rename_plugin(%i, \"%s\")", pluginId, newName);

  1335. 

  1336.     if (gStandalone.engine != nullptr)

  1337.         return gStandalone.engine->renamePlugin(pluginId, newName);

  1338. 

  1339.     carla_stderr2("Engine is not running");

  1340.     gStandalone.lastError = "Engine is not running";

  1341.     return nullptr;

  1342. }

  1343. 

  1344. bool carla_clone_plugin(uint pluginId)

  1345. {

  1346.     carla_debug("carla_clone_plugin(%i)", pluginId);

  1347. 

  1348.     if (gStandalone.engine != nullptr)

  1349.         return gStandalone.engine->clonePlugin(pluginId);

  1350. 

  1351.     carla_stderr2("Engine is not running");

  1352.     gStandalone.lastError = "Engine is not running";

  1353.     return false;

  1354. }

  1355. 

  1356. bool carla_replace_plugin(uint pluginId)

  1357. {

  1358.     carla_debug("carla_replace_plugin(%i)", pluginId);

  1359. 

  1360.     if (gStandalone.engine != nullptr)

  1361.         return gStandalone.engine->replacePlugin(pluginId);

  1362. 

  1363.     carla_stderr2("Engine is not running");

  1364.     gStandalone.lastError = "Engine is not running";

  1365.     return false;

  1366. }

  1367. 

  1368. bool carla_switch_plugins(uint pluginIdA, uint pluginIdB)

  1369. {

  1370.     CARLA_SAFE_ASSERT_RETURN(pluginIdA != pluginIdB, false);

  1371.     carla_debug("carla_switch_plugins(%i, %i)", pluginIdA, pluginIdB);

  1372. 

  1373.     if (gStandalone.engine != nullptr)

  1374.         return gStandalone.engine->switchPlugins(pluginIdA, pluginIdB);

  1375. 

  1376.     carla_stderr2("Engine is not running");

  1377.     gStandalone.lastError = "Engine is not running";

  1378.     return false;

  1379. }

  1380. #endif

  1381. 

  1382. // -------------------------------------------------------------------------------------------------------------------

  1383. 

  1384. bool carla_load_plugin_state(uint pluginId, const char* filename)

  1385. {

  1386.     CARLA_SAFE_ASSERT_RETURN(filename != nullptr && filename[0] != '\0', false);

  1387.     carla_debug("carla_load_plugin_state(%i, \"%s\")", pluginId, filename);

  1388. 

  1389.     if (gStandalone.engine == nullptr || ! gStandalone.engine->isRunning())

  1390.     {

  1391.         carla_stderr2("Engine is not running");

  1392.         gStandalone.lastError = "Engine is not running";

  1393.         return false;

  1394.     }

  1395. 

  1396.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1397.         return plugin->loadStateFromFile(filename);

  1398. 

  1399.     carla_stderr2("carla_load_plugin_state(%i, \"%s\") - could not find plugin", pluginId, filename);

  1400.     return false;

  1401. }

  1402. 

  1403. bool carla_save_plugin_state(uint pluginId, const char* filename)

  1404. {

  1405.     CARLA_SAFE_ASSERT_RETURN(filename != nullptr && filename[0] != '\0', false);

  1406.     carla_debug("carla_save_plugin_state(%i, \"%s\")", pluginId, filename);

  1407. 

  1408.     if (gStandalone.engine == nullptr)

  1409.     {

  1410.         carla_stderr2("Engine is not running");

  1411.         gStandalone.lastError = "Engine is not running";

  1412.         return false;

  1413.     }

  1414. 

  1415.     // allow to save even if engine isn't running

  1416. 

  1417.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1418.         return plugin->saveStateToFile(filename);

  1419. 

  1420.     carla_stderr2("carla_save_plugin_state(%i, \"%s\") - could not find plugin", pluginId, filename);

  1421.     return false;

  1422. }

  1423. 

  1424. // -------------------------------------------------------------------------------------------------------------------

  1425. 

  1426. const CarlaPluginInfo* carla_get_plugin_info(uint pluginId)

  1427. {

  1428.     carla_debug("carla_get_plugin_info(%i)", pluginId);

  1429. 

  1430.     static CarlaPluginInfo info;

  1431. 

  1432.     // reset

  1433.     info.type             = CB::PLUGIN_NONE;

  1434.     info.category         = CB::PLUGIN_CATEGORY_NONE;

  1435.     info.hints            = 0x0;

  1436.     info.optionsAvailable = 0x0;

  1437.     info.optionsEnabled   = 0x0;

  1438.     info.filename         = gNullCharPtr;

  1439.     info.name             = gNullCharPtr;

  1440.     info.iconName         = gNullCharPtr;

  1441.     info.uniqueId         = 0;

  1442. 

  1443.     // cleanup

  1444.     if (info.label != gNullCharPtr)

  1445.     {

  1446.         delete[] info.label;

  1447.         info.label = gNullCharPtr;

  1448.     }

  1449. 

  1450.     if (info.maker != gNullCharPtr)

  1451.     {

  1452.         delete[] info.maker;

  1453.         info.maker = gNullCharPtr;

  1454.     }

  1455. 

  1456.     if (info.copyright != gNullCharPtr)

  1457.     {

  1458.         delete[] info.copyright;

  1459.         info.copyright = gNullCharPtr;

  1460.     }

  1461. 

  1462.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, &info);

  1463. 

  1464.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1465.     {

  1466.         char strBufLabel[STR_MAX+1];

  1467.         char strBufMaker[STR_MAX+1];

  1468.         char strBufCopyright[STR_MAX+1];

  1469. 

  1470.         carla_zeroChar(strBufLabel, STR_MAX+1);

  1471.         carla_zeroChar(strBufMaker, STR_MAX+1);

  1472.         carla_zeroChar(strBufCopyright, STR_MAX+1);

  1473. 

  1474.         info.type     = plugin->getType();

  1475.         info.category = plugin->getCategory();

  1476.         info.hints    = plugin->getHints();

  1477.         info.filename = plugin->getFilename();

  1478.         info.name     = plugin->getName();

  1479.         info.iconName = plugin->getIconName();

  1480.         info.uniqueId = plugin->getUniqueId();

  1481. 

  1482.         info.optionsAvailable = plugin->getOptionsAvailable();

  1483.         info.optionsEnabled   = plugin->getOptionsEnabled();

  1484. 

  1485.         plugin->getLabel(strBufLabel);

  1486.         info.label = carla_strdup_safe(strBufLabel);

  1487. 

  1488.         plugin->getMaker(strBufMaker);

  1489.         info.maker = carla_strdup_safe(strBufMaker);

  1490. 

  1491.         plugin->getCopyright(strBufCopyright);

  1492.         info.copyright = carla_strdup_safe(strBufCopyright);

  1493. 

  1494.         checkStringPtr(info.filename);

  1495.         checkStringPtr(info.name);

  1496.         checkStringPtr(info.iconName);

  1497.         checkStringPtr(info.label);

  1498.         checkStringPtr(info.maker);

  1499.         checkStringPtr(info.copyright);

  1500. 

  1501.         return &info;

  1502.     }

  1503. 

  1504.     carla_stderr2("carla_get_plugin_info(%i) - could not find plugin", pluginId);

  1505.     return &info;

  1506. }

  1507. 

  1508. const CarlaPortCountInfo* carla_get_audio_port_count_info(uint pluginId)

  1509. {

  1510.     carla_debug("carla_get_audio_port_count_info(%i)", pluginId);

  1511. 

  1512.     static CarlaPortCountInfo info;

  1513. 

  1514.     // reset

  1515.     info.ins   = 0;

  1516.     info.outs  = 0;

  1517. 

  1518.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, &info);

  1519. 

  1520.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1521.     {

  1522.         info.ins   = plugin->getAudioInCount();

  1523.         info.outs  = plugin->getAudioOutCount();

  1524.         return &info;

  1525.     }

  1526. 

  1527.     carla_stderr2("carla_get_audio_port_count_info(%i) - could not find plugin", pluginId);

  1528.     return &info;

  1529. }

  1530. 

  1531. const CarlaPortCountInfo* carla_get_midi_port_count_info(uint pluginId)

  1532. {

  1533.     carla_debug("carla_get_midi_port_count_info(%i)", pluginId);

  1534. 

  1535.     static CarlaPortCountInfo info;

  1536. 

  1537.     // reset

  1538.     info.ins   = 0;

  1539.     info.outs  = 0;

  1540. 

  1541.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, &info);

  1542. 

  1543.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1544.     {

  1545.         info.ins   = plugin->getMidiInCount();

  1546.         info.outs  = plugin->getMidiOutCount();

  1547.         return &info;

  1548.     }

  1549. 

  1550.     carla_stderr2("carla_get_midi_port_count_info(%i) - could not find plugin", pluginId);

  1551.     return &info;

  1552. }

  1553. 

  1554. const CarlaPortCountInfo* carla_get_parameter_count_info(uint pluginId)

  1555. {

  1556.     carla_debug("carla_get_parameter_count_info(%i)", pluginId);

  1557. 

  1558.     static CarlaPortCountInfo info;

  1559. 

  1560.     // reset

  1561.     info.ins   = 0;

  1562.     info.outs  = 0;

  1563. 

  1564.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, &info);

  1565. 

  1566.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1567.     {

  1568.         plugin->getParameterCountInfo(info.ins, info.outs);

  1569.         return &info;

  1570.     }

  1571. 

  1572.     carla_stderr2("carla_get_parameter_count_info(%i) - could not find plugin", pluginId);

  1573.     return &info;

  1574. }

  1575. 

  1576. const CarlaParameterInfo* carla_get_parameter_info(uint pluginId, uint32_t parameterId)

  1577. {

  1578.     carla_debug("carla_get_parameter_info(%i, %i)", pluginId, parameterId);

  1579. 

  1580.     static CarlaParameterInfo info;

  1581. 

  1582.     // reset

  1583.     info.scalePointCount = 0;

  1584. 

  1585.     // cleanup

  1586.     if (info.name != gNullCharPtr)

  1587.     {

  1588.         delete[] info.name;

  1589.         info.name = gNullCharPtr;

  1590.     }

  1591. 

  1592.     if (info.symbol != gNullCharPtr)

  1593.     {

  1594.         delete[] info.symbol;

  1595.         info.symbol = gNullCharPtr;

  1596.     }

  1597. 

  1598.     if (info.unit != gNullCharPtr)

  1599.     {

  1600.         delete[] info.unit;

  1601.         info.unit = gNullCharPtr;

  1602.     }

  1603. 

  1604.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, &info);

  1605. 

  1606.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1607.     {

  1608.         if (parameterId < plugin->getParameterCount())

  1609.         {

  1610.             char strBufName[STR_MAX+1];

  1611.             char strBufSymbol[STR_MAX+1];

  1612.             char strBufUnit[STR_MAX+1];

  1613. 

  1614.             carla_zeroChar(strBufName, STR_MAX+1);

  1615.             carla_zeroChar(strBufSymbol, STR_MAX+1);

  1616.             carla_zeroChar(strBufUnit, STR_MAX+1);

  1617. 

  1618.             info.scalePointCount = plugin->getParameterScalePointCount(parameterId);

  1619. 

  1620.             plugin->getParameterName(parameterId, strBufName);

  1621.             info.name = carla_strdup_safe(strBufName);

  1622. 

  1623.             plugin->getParameterSymbol(parameterId, strBufSymbol);

  1624.             info.symbol = carla_strdup_safe(strBufSymbol);

  1625. 

  1626.             plugin->getParameterUnit(parameterId, strBufUnit);

  1627.             info.unit = carla_strdup_safe(strBufUnit);

  1628. 

  1629.             checkStringPtr(info.name);

  1630.             checkStringPtr(info.symbol);

  1631.             checkStringPtr(info.unit);

  1632.         }

  1633.         else

  1634.             carla_stderr2("carla_get_parameter_info(%i, %i) - parameterId out of bounds", pluginId, parameterId);

  1635. 

  1636.         return &info;

  1637.     }

  1638. 

  1639.     carla_stderr2("carla_get_parameter_info(%i, %i) - could not find plugin", pluginId, parameterId);

  1640.     return &info;

  1641. }

  1642. 

  1643. const CarlaScalePointInfo* carla_get_parameter_scalepoint_info(uint pluginId, uint32_t parameterId, uint32_t scalePointId)

  1644. {

  1645.     carla_debug("carla_get_parameter_scalepoint_info(%i, %i, %i)", pluginId, parameterId, scalePointId);

  1646.     CARLA_ASSERT(gStandalone.engine != nullptr);

  1647. 

  1648.     static CarlaScalePointInfo info;

  1649. 

  1650.     // reset

  1651.     info.value = 0.0f;

  1652. 

  1653.     // cleanup

  1654.     if (info.label != gNullCharPtr)

  1655.     {

  1656.         delete[] info.label;

  1657.         info.label = gNullCharPtr;

  1658.     }

  1659. 

  1660.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, &info);

  1661. 

  1662.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1663.     {

  1664.         if (parameterId < plugin->getParameterCount())

  1665.         {

  1666.             if (scalePointId < plugin->getParameterScalePointCount(parameterId))

  1667.             {

  1668.                 char strBufLabel[STR_MAX+1];

  1669.                 carla_zeroChar(strBufLabel, STR_MAX+1);

  1670. 

  1671.                 info.value = plugin->getParameterScalePointValue(parameterId, scalePointId);

  1672. 

  1673.                 plugin->getParameterScalePointLabel(parameterId, scalePointId, strBufLabel);

  1674.                 info.label = carla_strdup_safe(strBufLabel);

  1675.                 checkStringPtr(info.label);

  1676.             }

  1677.             else

  1678.                 carla_stderr2("carla_get_parameter_scalepoint_info(%i, %i, %i) - scalePointId out of bounds", pluginId, parameterId, scalePointId);

  1679.         }

  1680.         else

  1681.             carla_stderr2("carla_get_parameter_scalepoint_info(%i, %i, %i) - parameterId out of bounds", pluginId, parameterId, scalePointId);

  1682. 

  1683.         return &info;

  1684.     }

  1685. 

  1686.     carla_stderr2("carla_get_parameter_scalepoint_info(%i, %i, %i) - could not find plugin", pluginId, parameterId, scalePointId);

  1687.     return &info;

  1688. }

  1689. 

  1690. // -------------------------------------------------------------------------------------------------------------------

  1691. 

  1692. const ParameterData* carla_get_parameter_data(uint pluginId, uint32_t parameterId)

  1693. {

  1694.     carla_debug("carla_get_parameter_data(%i, %i)", pluginId, parameterId);

  1695. 

  1696.     static const ParameterData fallbackParameterData = { CB::PARAMETER_UNKNOWN, 0x0, CB::PARAMETER_NULL, -1, -1, 0 };

  1697. 

  1698.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, &fallbackParameterData);

  1699. 

  1700.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1701.     {

  1702.         if (parameterId < plugin->getParameterCount())

  1703.             return &plugin->getParameterData(parameterId);

  1704. 

  1705.         carla_stderr2("carla_get_parameter_data(%i, %i) - parameterId out of bounds", pluginId, parameterId);

  1706.         return &fallbackParameterData;

  1707.     }

  1708. 

  1709.     carla_stderr2("carla_get_parameter_data(%i, %i) - could not find plugin", pluginId, parameterId);

  1710.     return &fallbackParameterData;

  1711. }

  1712. 

  1713. const ParameterRanges* carla_get_parameter_ranges(uint pluginId, uint32_t parameterId)

  1714. {

  1715.     carla_debug("carla_get_parameter_ranges(%i, %i)", pluginId, parameterId);

  1716. 

  1717.     static const ParameterRanges fallbackParamRanges = { 0.0f, 0.0f, 1.0f, 0.01f, 0.0001f, 0.1f };

  1718. 

  1719.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, &fallbackParamRanges);

  1720. 

  1721.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1722.     {

  1723.         if (parameterId < plugin->getParameterCount())

  1724.             return &plugin->getParameterRanges(parameterId);

  1725. 

  1726.         carla_stderr2("carla_get_parameter_ranges(%i, %i) - parameterId out of bounds", pluginId, parameterId);

  1727.         return &fallbackParamRanges;

  1728.     }

  1729. 

  1730.     carla_stderr2("carla_get_parameter_ranges(%i, %i) - could not find plugin", pluginId, parameterId);

  1731.     return &fallbackParamRanges;

  1732. }

  1733. 

  1734. const MidiProgramData* carla_get_midi_program_data(uint pluginId, uint32_t midiProgramId)

  1735. {

  1736.     carla_debug("carla_get_midi_program_data(%i, %i)", pluginId, midiProgramId);

  1737. 

  1738.     static MidiProgramData midiProgData;

  1739. 

  1740.     // reset

  1741.     midiProgData.bank    = 0;

  1742.     midiProgData.program = 0;

  1743.     midiProgData.name    = gNullCharPtr;

  1744. 

  1745.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, &midiProgData);

  1746. 

  1747.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1748.     {

  1749.         if (midiProgramId < plugin->getMidiProgramCount())

  1750.         {

  1751.             const MidiProgramData& ret(plugin->getMidiProgramData(midiProgramId));

  1752.             carla_copyStruct<MidiProgramData>(midiProgData, ret);

  1753.             checkStringPtr(midiProgData.name);

  1754.             return &midiProgData;

  1755.         }

  1756. 

  1757.         carla_stderr2("carla_get_midi_program_data(%i, %i) - midiProgramId out of bounds", pluginId, midiProgramId);

  1758.         return &midiProgData;

  1759.     }

  1760. 

  1761.     carla_stderr2("carla_get_midi_program_data(%i, %i) - could not find plugin", pluginId, midiProgramId);

  1762.     return &midiProgData;

  1763. }

  1764. 

  1765. const CustomData* carla_get_custom_data(uint pluginId, uint32_t customDataId)

  1766. {

  1767.     carla_debug("carla_get_custom_data(%i, %i)", pluginId, customDataId);

  1768. 

  1769.     static CustomData customData;

  1770. 

  1771.     // reset

  1772.     customData.type  = gNullCharPtr;

  1773.     customData.key   = gNullCharPtr;

  1774.     customData.value = gNullCharPtr;

  1775. 

  1776.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, &customData);

  1777. 

  1778.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1779.     {

  1780.         if (customDataId < plugin->getCustomDataCount())

  1781.         {

  1782.             const CustomData& ret(plugin->getCustomData(customDataId));

  1783.             carla_copyStruct<CustomData>(customData, ret);

  1784.             checkStringPtr(customData.type);

  1785.             checkStringPtr(customData.key);

  1786.             checkStringPtr(customData.value);

  1787.             return &customData;

  1788.         }

  1789. 

  1790.         carla_stderr2("carla_get_custom_data(%i, %i) - customDataId out of bounds", pluginId, customDataId);

  1791.         return &customData;

  1792.     }

  1793. 

  1794.     carla_stderr2("carla_get_custom_data(%i, %i) - could not find plugin", pluginId, customDataId);

  1795.     return &customData;

  1796. }

  1797. 

  1798. const char* carla_get_chunk_data(uint pluginId)

  1799. {

  1800.     carla_debug("carla_get_chunk_data(%i)", pluginId);

  1801. 

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

  1803. 

  1804.     static CarlaString chunkData;

  1805. 

  1806.     // cleanup

  1807.     chunkData.clear();

  1808. 

  1809.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1810.     {

  1811.         if (plugin->getOptionsEnabled() & CB::PLUGIN_OPTION_USE_CHUNKS)

  1812.         {

  1813.             void* data = nullptr;

  1814.             const std::size_t dataSize(plugin->getChunkData(&data));

  1815. 

  1816.             if (data != nullptr && dataSize > 0)

  1817.             {

  1818.                 chunkData = CarlaString::asBase64(data, static_cast<std::size_t>(dataSize));

  1819.                 return chunkData;

  1820.             }

  1821.             else

  1822.                 carla_stderr2("carla_get_chunk_data(%i) - got invalid chunk data", pluginId);

  1823.         }

  1824.         else

  1825.             carla_stderr2("carla_get_chunk_data(%i) - plugin does not use chunks", pluginId);

  1826. 

  1827.         return nullptr;

  1828.     }

  1829. 

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

  1831.     return nullptr;

  1832. }

  1833. 

  1834. // -------------------------------------------------------------------------------------------------------------------

  1835. 

  1836. uint32_t carla_get_parameter_count(uint pluginId)

  1837. {

  1838.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, 0);

  1839.     carla_debug("carla_get_parameter_count(%i)", pluginId);

  1840. 

  1841.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1842.         return plugin->getParameterCount();

  1843. 

  1844.     carla_stderr2("carla_get_parameter_count(%i) - could not find plugin", pluginId);

  1845.     return 0;

  1846. }

  1847. 

  1848. uint32_t carla_get_program_count(uint pluginId)

  1849. {

  1850.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, 0);

  1851.     carla_debug("carla_get_program_count(%i)", pluginId);

  1852. 

  1853.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1854.         return plugin->getProgramCount();

  1855. 

  1856.     carla_stderr2("carla_get_program_count(%i) - could not find plugin", pluginId);

  1857.     return 0;

  1858. }

  1859. 

  1860. uint32_t carla_get_midi_program_count(uint pluginId)

  1861. {

  1862.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, 0);

  1863.     carla_debug("carla_get_midi_program_count(%i)", pluginId);

  1864. 

  1865.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1866.         return plugin->getMidiProgramCount();

  1867. 

  1868.     carla_stderr2("carla_get_midi_program_count(%i) - could not find plugin", pluginId);

  1869.     return 0;

  1870. }

  1871. 

  1872. uint32_t carla_get_custom_data_count(uint pluginId)

  1873. {

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

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

  1876. 

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

  1878.         return plugin->getCustomDataCount();

  1879. 

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

  1881.     return 0;

  1882. }

  1883. 

  1884. // -------------------------------------------------------------------------------------------------------------------

  1885. 

  1886. const char* carla_get_parameter_text(uint pluginId, uint32_t parameterId)

  1887. {

  1888.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, nullptr);

  1889.     carla_debug("carla_get_parameter_text(%i, %i)", pluginId, parameterId);

  1890. 

  1891.     static char textBuf[STR_MAX+1];

  1892. 

  1893.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1894.     {

  1895.         if (parameterId < plugin->getParameterCount())

  1896.         {

  1897.             carla_zeroChar(textBuf, STR_MAX+1);

  1898.             plugin->getParameterText(parameterId, textBuf);

  1899.             return textBuf;

  1900.         }

  1901. 

  1902.         carla_stderr2("carla_get_parameter_text(%i, %i) - parameterId out of bounds", pluginId, parameterId);

  1903.         return nullptr;

  1904.     }

  1905. 

  1906.     carla_stderr2("carla_get_parameter_text(%i, %i) - could not find plugin", pluginId, parameterId);

  1907.     return nullptr;

  1908. }

  1909. 

  1910. const char* carla_get_program_name(uint pluginId, uint32_t programId)

  1911. {

  1912.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, nullptr);

  1913.     carla_debug("carla_get_program_name(%i, %i)", pluginId, programId);

  1914. 

  1915.     static char programName[STR_MAX+1];

  1916. 

  1917.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1918.     {

  1919.         if (programId < plugin->getProgramCount())

  1920.         {

  1921.             carla_zeroChar(programName, STR_MAX+1);

  1922.             plugin->getProgramName(programId, programName);

  1923.             return programName;

  1924.         }

  1925. 

  1926.         carla_stderr2("carla_get_program_name(%i, %i) - programId out of bounds", pluginId, programId);

  1927.         return nullptr;

  1928.     }

  1929. 

  1930.     carla_stderr2("carla_get_program_name(%i, %i) - could not find plugin", pluginId, programId);

  1931.     return nullptr;

  1932. }

  1933. 

  1934. const char* carla_get_midi_program_name(uint pluginId, uint32_t midiProgramId)

  1935. {

  1936.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, nullptr);

  1937.     carla_debug("carla_get_midi_program_name(%i, %i)", pluginId, midiProgramId);

  1938. 

  1939.     static char midiProgramName[STR_MAX+1];

  1940. 

  1941.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1942.     {

  1943.         if (midiProgramId < plugin->getMidiProgramCount())

  1944.         {

  1945.             carla_zeroChar(midiProgramName, STR_MAX+1);

  1946.             plugin->getMidiProgramName(midiProgramId, midiProgramName);

  1947.             return midiProgramName;

  1948.         }

  1949. 

  1950.         carla_stderr2("carla_get_midi_program_name(%i, %i) - midiProgramId out of bounds", pluginId, midiProgramId);

  1951.         return nullptr;

  1952.     }

  1953. 

  1954.     carla_stderr2("carla_get_midi_program_name(%i, %i) - could not find plugin", pluginId, midiProgramId);

  1955.     return nullptr;

  1956. }

  1957. 

  1958. const char* carla_get_real_plugin_name(uint pluginId)

  1959. {

  1960.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, nullptr);

  1961.     carla_debug("carla_get_real_plugin_name(%i)", pluginId);

  1962. 

  1963.     static char realPluginName[STR_MAX+1];

  1964. 

  1965.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1966.     {

  1967.         carla_zeroChar(realPluginName, STR_MAX+1);

  1968.         plugin->getRealName(realPluginName);

  1969.         return realPluginName;

  1970.     }

  1971. 

  1972.     carla_stderr2("carla_get_real_plugin_name(%i) - could not find plugin", pluginId);

  1973.     return nullptr;

  1974. }

  1975. 

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

  1977. 

  1978. int32_t carla_get_current_program_index(uint pluginId)

  1979. {

  1980.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, -1);

  1981.     carla_debug("carla_get_current_program_index(%i)", pluginId);

  1982. 

  1983.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1984.         return plugin->getCurrentProgram();

  1985. 

  1986.     carla_stderr2("carla_get_current_program_index(%i) - could not find plugin", pluginId);

  1987.     return -1;

  1988. }

  1989. 

  1990. int32_t carla_get_current_midi_program_index(uint pluginId)

  1991. {

  1992.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, -1);

  1993.     carla_debug("carla_get_current_midi_program_index(%i)", pluginId);

  1994. 

  1995.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1996.         return plugin->getCurrentMidiProgram();

  1997. 

  1998.     carla_stderr2("carla_get_current_midi_program_index(%i) - could not find plugin", pluginId);

  1999.     return -1;

  2000. }

  2001. 

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

  2003. 

  2004. float carla_get_default_parameter_value(uint pluginId, uint32_t parameterId)

  2005. {

  2006.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, 0.0f);

  2007.     carla_debug("carla_get_default_parameter_value(%i, %i)", pluginId, parameterId);

  2008. 

  2009.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2010.     {

  2011.         if (parameterId < plugin->getParameterCount())

  2012.             return plugin->getParameterRanges(parameterId).def;

  2013. 

  2014.         carla_stderr2("carla_get_default_parameter_value(%i, %i) - parameterId out of bounds", pluginId, parameterId);

  2015.         return 0.0f;

  2016.     }

  2017. 

  2018.     carla_stderr2("carla_get_default_parameter_value(%i, %i) - could not find plugin", pluginId, parameterId);

  2019.     return 0.0f;

  2020. }

  2021. 

  2022. float carla_get_current_parameter_value(uint pluginId, uint32_t parameterId)

  2023. {

  2024.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, 0.0f);

  2025. 

  2026.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2027.     {

  2028.         if (parameterId < plugin->getParameterCount())

  2029.             return plugin->getParameterValue(parameterId);

  2030. 

  2031.         carla_stderr2("carla_get_current_parameter_value(%i, %i) - parameterId out of bounds", pluginId, parameterId);

  2032.         return 0.0f;

  2033.     }

  2034. 

  2035.     carla_stderr2("carla_get_current_parameter_value(%i, %i) - could not find plugin", pluginId, parameterId);

  2036.     return 0.0f;

  2037. }

  2038. 

  2039. float carla_get_internal_parameter_value(uint pluginId, int32_t parameterId)

  2040. {

  2041.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, 0.0f);

  2042.     CARLA_SAFE_ASSERT_RETURN(parameterId != CB::PARAMETER_NULL && parameterId > CB::PARAMETER_MAX, 0.0f);

  2043. 

  2044.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2045.         return plugin->getInternalParameterValue(parameterId);

  2046. 

  2047.     carla_stderr2("carla_get_internal_parameter_value(%i, %i) - could not find plugin", pluginId, parameterId);

  2048.     return 0.0f;

  2049. }

  2050. 

  2051. // -------------------------------------------------------------------------------------------------------------------

  2052. 

  2053. float carla_get_input_peak_value(uint pluginId, bool isLeft)

  2054. {

  2055.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, 0.0f);

  2056. 

  2057.     return gStandalone.engine->getInputPeak(pluginId, isLeft);

  2058. }

  2059. 

  2060. float carla_get_output_peak_value(uint pluginId, bool isLeft)

  2061. {

  2062.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, 0.0f);

  2063. 

  2064.     return gStandalone.engine->getOutputPeak(pluginId, isLeft);

  2065. }

  2066. 

  2067. // -------------------------------------------------------------------------------------------------------------------

  2068. 

  2069. void carla_set_active(uint pluginId, bool onOff)

  2070. {

  2071.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  2072.     carla_debug("carla_set_active(%i, %s)", pluginId, bool2str(onOff));

  2073. 

  2074.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2075.         return plugin->setActive(onOff, true, false);

  2076. 

  2077.     carla_stderr2("carla_set_active(%i, %s) - could not find plugin", pluginId, bool2str(onOff));

  2078. }

  2079. 

  2080. #ifndef BUILD_BRIDGE

  2081. void carla_set_drywet(uint pluginId, float value)

  2082. {

  2083.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  2084.     carla_debug("carla_set_drywet(%i, %f)", pluginId, value);

  2085. 

  2086.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2087.         return plugin->setDryWet(value, true, false);

  2088. 

  2089.     carla_stderr2("carla_set_drywet(%i, %f) - could not find plugin", pluginId, value);

  2090. }

  2091. 

  2092. void carla_set_volume(uint pluginId, float value)

  2093. {

  2094.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  2095.     carla_debug("carla_set_volume(%i, %f)", pluginId, value);

  2096. 

  2097.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

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

  2099. 

  2100.     carla_stderr2("carla_set_volume(%i, %f) - could not find plugin", pluginId, value);

  2101. }

  2102. 

  2103. void carla_set_balance_left(uint pluginId, float value)

  2104. {

  2105.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  2106.     carla_debug("carla_set_balance_left(%i, %f)", pluginId, value);

  2107. 

  2108.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2109.         return plugin->setBalanceLeft(value, true, false);

  2110. 

  2111.     carla_stderr2("carla_set_balance_left(%i, %f) - could not find plugin", pluginId, value);

  2112. }

  2113. 

  2114. void carla_set_balance_right(uint pluginId, float value)

  2115. {

  2116.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  2117.     carla_debug("carla_set_balance_right(%i, %f)", pluginId, value);

  2118. 

  2119.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2120.         return plugin->setBalanceRight(value, true, false);

  2121. 

  2122.     carla_stderr2("carla_set_balance_right(%i, %f) - could not find plugin", pluginId, value);

  2123. }

  2124. 

  2125. void carla_set_panning(uint pluginId, float value)

  2126. {

  2127.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  2128.     carla_debug("carla_set_panning(%i, %f)", pluginId, value);

  2129. 

  2130.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2131.         return plugin->setPanning(value, true, false);

  2132. 

  2133.     carla_stderr2("carla_set_panning(%i, %f) - could not find plugin", pluginId, value);

  2134. }

  2135. 

  2136. void carla_set_ctrl_channel(uint pluginId, int8_t channel)

  2137. {

  2138.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  2139.     CARLA_SAFE_ASSERT_RETURN(channel >= -1 && channel < MAX_MIDI_CHANNELS,);

  2140.     carla_debug("carla_set_ctrl_channel(%i, %i)", pluginId, channel);

  2141. 

  2142.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2143.         return plugin->setCtrlChannel(channel, true, false);

  2144. 

  2145.     carla_stderr2("carla_set_ctrl_channel(%i, %i) - could not find plugin", pluginId, channel);

  2146. }

  2147. 

  2148. void carla_set_option(uint pluginId, uint option, bool yesNo)

  2149. {

  2150.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  2151.     carla_debug("carla_set_option(%i, %i, %s)", pluginId, option, bool2str(yesNo));

  2152. 

  2153.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2154.         return plugin->setOption(option, yesNo, false);

  2155. 

  2156.     carla_stderr2("carla_set_option(%i, %i, %s) - could not find plugin", pluginId, option, bool2str(yesNo));

  2157. }

  2158. #endif

  2159. 

  2160. // -------------------------------------------------------------------------------------------------------------------

  2161. 

  2162. void carla_set_parameter_value(uint pluginId, uint32_t parameterId, float value)

  2163. {

  2164.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  2165.     carla_debug("carla_set_parameter_value(%i, %i, %f)", pluginId, parameterId, value);

  2166. 

  2167.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2168.     {

  2169.         if (parameterId < plugin->getParameterCount())

  2170.             return plugin->setParameterValue(parameterId, value, true, true, false);

  2171. 

  2172.         carla_stderr2("carla_set_parameter_value(%i, %i, %f) - parameterId out of bounds", pluginId, parameterId, value);

  2173.         return;

  2174.     }

  2175. 

  2176.     carla_stderr2("carla_set_parameter_value(%i, %i, %f) - could not find plugin", pluginId, parameterId, value);

  2177. }

  2178. 

  2179. #ifndef BUILD_BRIDGE

  2180. void carla_set_parameter_midi_channel(uint pluginId, uint32_t parameterId, uint8_t channel)

  2181. {

  2182.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  2183.     CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2184.     carla_debug("carla_set_parameter_midi_channel(%i, %i, %i)", pluginId, parameterId, channel);

  2185. 

  2186.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2187.     {

  2188.         if (parameterId < plugin->getParameterCount())

  2189.             return plugin->setParameterMidiChannel(parameterId, channel, true, false);

  2190. 

  2191.         carla_stderr2("carla_set_parameter_midi_channel(%i, %i, %i) - parameterId out of bounds", pluginId, parameterId, channel);

  2192.         return;

  2193.     }

  2194. 

  2195.     carla_stderr2("carla_set_parameter_midi_channel(%i, %i, %i) - could not find plugin", pluginId, parameterId, channel);

  2196. }

  2197. 

  2198. void carla_set_parameter_midi_cc(uint pluginId, uint32_t parameterId, int16_t cc)

  2199. {

  2200.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  2201.     CARLA_SAFE_ASSERT_RETURN(cc >= -1 && cc <= 0x5F,);

  2202.     carla_debug("carla_set_parameter_midi_cc(%i, %i, %i)", pluginId, parameterId, cc);

  2203. 

  2204.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2205.     {

  2206.         if (parameterId < plugin->getParameterCount())

  2207.             return plugin->setParameterMidiCC(parameterId, cc, true, false);

  2208. 

  2209.         carla_stderr2("carla_set_parameter_midi_cc(%i, %i, %i) - parameterId out of bounds", pluginId, parameterId, cc);

  2210.         return;

  2211.     }

  2212. 

  2213.     carla_stderr2("carla_set_parameter_midi_cc(%i, %i, %i) - could not find plugin", pluginId, parameterId, cc);

  2214. }

  2215. #endif

  2216. 

  2217. // -------------------------------------------------------------------------------------------------------------------

  2218. 

  2219. void carla_set_program(uint pluginId, uint32_t programId)

  2220. {

  2221.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  2222.     carla_debug("carla_set_program(%i, %i)", pluginId, programId);

  2223. 

  2224.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2225.     {

  2226.         if (programId < plugin->getProgramCount())

  2227.             return plugin->setProgram(static_cast<int32_t>(programId), true, true, false);

  2228. 

  2229.         carla_stderr2("carla_set_program(%i, %i) - programId out of bounds", pluginId, programId);

  2230.         return;

  2231.     }

  2232. 

  2233.     carla_stderr2("carla_set_program(%i, %i) - could not find plugin", pluginId, programId);

  2234. }

  2235. 

  2236. void carla_set_midi_program(uint pluginId, uint32_t midiProgramId)

  2237. {

  2238.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  2239.     carla_debug("carla_set_midi_program(%i, %i)", pluginId, midiProgramId);

  2240. 

  2241.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2242.     {

  2243.         if (midiProgramId < plugin->getMidiProgramCount())

  2244.             return plugin->setMidiProgram(static_cast<int32_t>(midiProgramId), true, true, false);

  2245. 

  2246.         carla_stderr2("carla_set_midi_program(%i, %i) - midiProgramId out of bounds", pluginId, midiProgramId);

  2247.         return;

  2248.     }

  2249. 

  2250.     carla_stderr2("carla_set_midi_program(%i, %i) - could not find plugin", pluginId, midiProgramId);

  2251. }

  2252. 

  2253. // -------------------------------------------------------------------------------------------------------------------

  2254. 

  2255. void carla_set_custom_data(uint pluginId, const char* type, const char* key, const char* value)

  2256. {

  2257.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  2258.     CARLA_SAFE_ASSERT_RETURN(type != nullptr && type[0] != '\0',);

  2259.     CARLA_SAFE_ASSERT_RETURN(key != nullptr && key[0] != '\0',);

  2260.     CARLA_SAFE_ASSERT_RETURN(value != nullptr,);

  2261.     carla_debug("carla_set_custom_data(%i, \"%s\", \"%s\", \"%s\")", pluginId, type, key, value);

  2262. 

  2263.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2264.         return plugin->setCustomData(type, key, value, true);

  2265. 

  2266.     carla_stderr2("carla_set_custom_data(%i, \"%s\", \"%s\", \"%s\") - could not find plugin", pluginId, type, key, value);

  2267. }

  2268. 

  2269. void carla_set_chunk_data(uint pluginId, const char* chunkData)

  2270. {

  2271.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  2272.     CARLA_SAFE_ASSERT_RETURN(chunkData != nullptr && chunkData[0] != '\0',);

  2273.     carla_debug("carla_set_chunk_data(%i, \"%s\")", pluginId, chunkData);

  2274. 

  2275.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2276.     {

  2277.         if (plugin->getOptionsEnabled() & CB::PLUGIN_OPTION_USE_CHUNKS)

  2278.         {

  2279.             std::vector<uint8_t> chunk(carla_getChunkFromBase64String(chunkData));

  2280.             return plugin->setChunkData(chunk.data(), chunk.size());

  2281.         }

  2282. 

  2283.         carla_stderr2("carla_set_chunk_data(%i, \"%s\") - plugin does not use chunks", pluginId, chunkData);

  2284.         return;

  2285.     }

  2286. 

  2287.     carla_stderr2("carla_set_chunk_data(%i, \"%s\") - could not find plugin", pluginId, chunkData);

  2288. }

  2289. 

  2290. // -------------------------------------------------------------------------------------------------------------------

  2291. 

  2292. void carla_prepare_for_save(uint pluginId)

  2293. {

  2294.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  2295.     carla_debug("carla_prepare_for_save(%i)", pluginId);

  2296. 

  2297.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2298.         return plugin->prepareForSave();

  2299. 

  2300.     carla_stderr2("carla_prepare_for_save(%i) - could not find plugin", pluginId);

  2301. }

  2302. 

  2303. void carla_reset_parameters(uint pluginId)

  2304. {

  2305.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  2306.     carla_debug("carla_reset_parameters(%i)", pluginId);

  2307. 

  2308.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2309.         return plugin->resetParameters();

  2310. 

  2311.     carla_stderr2("carla_reset_parameters(%i) - could not find plugin", pluginId);

  2312. }

  2313. 

  2314. void carla_randomize_parameters(uint pluginId)

  2315. {

  2316.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  2317.     carla_debug("carla_randomize_parameters(%i)", pluginId);

  2318. 

  2319.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2320.         return plugin->randomizeParameters();

  2321. 

  2322.     carla_stderr2("carla_randomize_parameters(%i) - could not find plugin", pluginId);

  2323. }

  2324. 

  2325. #ifndef BUILD_BRIDGE

  2326. void carla_send_midi_note(uint pluginId, uint8_t channel, uint8_t note, uint8_t velocity)

  2327. {

  2328.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr && gStandalone.engine->isRunning(),);

  2329.     carla_debug("carla_send_midi_note(%i, %i, %i, %i)", pluginId, channel, note, velocity);

  2330. 

  2331.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2332.         return plugin->sendMidiSingleNote(channel, note, velocity, true, true, false);

  2333. 

  2334.     carla_stderr2("carla_send_midi_note(%i, %i, %i, %i) - could not find plugin", pluginId, channel, note, velocity);

  2335. }

  2336. #endif

  2337. 

  2338. void carla_show_custom_ui(uint pluginId, bool yesNo)

  2339. {

  2340.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  2341.     carla_debug("carla_show_custom_ui(%i, %s)", pluginId, bool2str(yesNo));

  2342. 

  2343.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2344.         return plugin->showCustomUI(yesNo);

  2345. 

  2346.     carla_stderr2("carla_show_custom_ui(%i, %s) - could not find plugin", pluginId, bool2str(yesNo));

  2347. }

  2348. 

  2349. // -------------------------------------------------------------------------------------------------------------------

  2350. 

  2351. uint32_t carla_get_buffer_size()

  2352. {

  2353.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, 0);

  2354.     carla_debug("carla_get_buffer_size()");

  2355. 

  2356.     return gStandalone.engine->getBufferSize();

  2357. }

  2358. 

  2359. double carla_get_sample_rate()

  2360. {

  2361.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, 0.0);

  2362.     carla_debug("carla_get_sample_rate()");

  2363. 

  2364.     return gStandalone.engine->getSampleRate();

  2365. }

  2366. 

  2367. // -------------------------------------------------------------------------------------------------------------------

  2368. 

  2369. const char* carla_get_last_error()

  2370. {

  2371.     carla_debug("carla_get_last_error()");

  2372. 

  2373.     if (gStandalone.engine != nullptr)

  2374.         return gStandalone.engine->getLastError();

  2375. 

  2376.     return gStandalone.lastError;

  2377. }

  2378. 

  2379. const char* carla_get_host_osc_url_tcp()

  2380. {

  2381.     carla_debug("carla_get_host_osc_url_tcp()");

  2382. 

  2383.     if (gStandalone.engine == nullptr)

  2384.     {

  2385.         carla_stderr2("Engine is not running");

  2386.         gStandalone.lastError = "Engine is not running";

  2387.         return nullptr;

  2388.     }

  2389. 

  2390.     return gStandalone.engine->getOscServerPathTCP();

  2391. }

  2392. 

  2393. const char* carla_get_host_osc_url_udp()

  2394. {

  2395.     carla_debug("carla_get_host_osc_url_udp()");

  2396. 

  2397.     if (gStandalone.engine == nullptr)

  2398.     {

  2399.         carla_stderr2("Engine is not running");

  2400.         gStandalone.lastError = "Engine is not running";

  2401.         return nullptr;

  2402.     }

  2403. 

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

  2405. }

  2406. 

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

  2408. 

  2409. #include "CarlaPluginUI.cpp"

  2410. #include "CarlaDssiUtils.cpp"

  2411. #include "CarlaStateUtils.cpp"

  2412. #include "CarlaJuceEvents.cpp"

  2413. 

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