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

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  1. /*

  2.  * Carla Standalone

  3.  * Copyright (C) 2011-2013 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 "CarlaOscUtils.hpp"

  30. #include "CarlaThread.hpp"

  31. 

  32. #ifdef BUILD_BRIDGE

  33. # undef HAVE_JUCE_UI

  34. #endif

  35. 

  36. #ifdef HAVE_JUCE_UI

  37. # include "juce_gui_basics.h"

  38. using juce::initialiseJuce_GUI;

  39. using juce::shutdownJuce_GUI;

  40. using juce::MessageManager;

  41. using juce::Thread;

  42. #endif

  43. 

  44. namespace CB = CarlaBackend;

  45. using CB::EngineOptions;

  46. 

  47. // -------------------------------------------------------------------------------------------------------------------

  48. // Juce Message Thread

  49. 

  50. #if defined(HAVE_JUCE_UI) && defined(CARLA_OS_LINUX)

  51. 

  52. class JuceMessageThread : public Thread

  53. {

  54. public:

  55.     JuceMessageThread()

  56.       : Thread("JuceMessageThread"),

  57.         fInitialised(false)

  58.     {

  59.     }

  60. 

  61.     ~JuceMessageThread() override

  62.     {

  63.         stop();

  64.     }

  65. 

  66.     void start()

  67.     {

  68.         CARLA_SAFE_ASSERT_RETURN(! fInitialised,);

  69. 

  70.         fInitialised = false;

  71. 

  72.         startThread(7);

  73. 

  74.         while (! fInitialised)

  75.             sleep(1);

  76.     }

  77. 

  78.     void stop()

  79.     {

  80.         signalThreadShouldExit();

  81.         waitForThreadToExit(5000);

  82.     }

  83. 

  84. protected:

  85.     void run() override

  86.     {

  87.         MessageManager* const msgMgr(MessageManager::getInstance());

  88.         CARLA_SAFE_ASSERT_RETURN(msgMgr != nullptr,);

  89. 

  90.         msgMgr->setCurrentThreadAsMessageThread();

  91.         fInitialised = true;

  92. 

  93.         while ((! threadShouldExit()) && MessageManager::getInstance()->runDispatchLoopUntil(250))

  94.         {}

  95. 

  96.         fInitialised = false;

  97.     }

  98. 

  99. private:

  100.     volatile bool fInitialised;

  101. 

  102.     CARLA_DECLARE_NON_COPY_CLASS(JuceMessageThread)

  103. };

  104. 

  105. #endif // defined(HAVE_JUCE_UI) && defined(CARLA_OS_LINUX)

  106. 

  107. // -------------------------------------------------------------------------------------------------------------------

  108. // Single, standalone engine

  109. 

  110. struct CarlaBackendStandalone {

  111.     CarlaEngine*       engine;

  112.     EngineCallbackFunc engineCallback;

  113.     void*              engineCallbackPtr;

  114.     EngineOptions      engineOptions;

  115. 

  116.     FileCallbackFunc fileCallback;

  117.     void*            fileCallbackPtr;

  118. 

  119.     CarlaString lastError;

  120. 

  121. #if defined(HAVE_JUCE_UI) && defined(CARLA_OS_LINUX)

  122.     JuceMessageThread juceMsgThread;

  123. #endif

  124. 

  125.     CarlaBackendStandalone()

  126.         : engine(nullptr),

  127.           engineCallback(nullptr),

  128.           engineCallbackPtr(nullptr),

  129.           fileCallback(nullptr),

  130.           fileCallbackPtr(nullptr)

  131.     {

  132. #ifdef BUILD_BRIDGE

  133.         engineOptions.processMode         = CB::ENGINE_PROCESS_MODE_BRIDGE;

  134.         engineOptions.transportMode       = CB::ENGINE_TRANSPORT_MODE_BRIDGE;

  135.         engineOptions.forceStereo         = false;

  136.         engineOptions.preferPluginBridges = false;

  137.         engineOptions.preferUiBridges     = false;

  138. #else

  139.         if (std::getenv("LADISH_APP_NAME") != nullptr || std::getenv("NSM_URL") != nullptr)

  140.             return;

  141. 

  142.         CarlaThread::setCurrentThreadName("Carla");

  143. #endif

  144.     }

  145. 

  146.     ~CarlaBackendStandalone()

  147.     {

  148.         CARLA_SAFE_ASSERT(engine == nullptr);

  149. #ifdef HAVE_JUCE_UI

  150.         CARLA_SAFE_ASSERT(MessageManager::getInstanceWithoutCreating() == nullptr);

  151. #endif

  152.     }

  153. 

  154. #ifdef HAVE_JUCE_UI

  155.     void init()

  156.     {

  157.         JUCE_AUTORELEASEPOOL

  158.         {

  159.             initialiseJuce_GUI();

  160. # ifdef CARLA_OS_LINUX

  161.             juceMsgThread.start();

  162. # else

  163.             if (MessageManager* const msgMgr = MessageManager::getInstance())

  164.                 msgMgr->setCurrentThreadAsMessageThread();

  165. # endif

  166.         }

  167.     }

  168. 

  169.     void close()

  170.     {

  171.         JUCE_AUTORELEASEPOOL

  172.         {

  173. # ifdef CARLA_OS_LINUX

  174.             juceMsgThread.stop();

  175. # else

  176.             MessageManager::deleteInstance();

  177. # endif

  178.             shutdownJuce_GUI();

  179.         }

  180.     }

  181. 

  182. # ifndef CARLA_OS_LINUX

  183.     void idle()

  184.     {

  185.         JUCE_AUTORELEASEPOOL

  186.         {

  187.             if (MessageManager* const msgMgr = MessageManager::getInstanceWithoutCreating())

  188.                 msgMgr->runDispatchLoopUntil(5);

  189.         }

  190.     }

  191. # endif

  192. #endif

  193. 

  194.     CARLA_PREVENT_HEAP_ALLOCATION

  195.     CARLA_DECLARE_NON_COPY_STRUCT(CarlaBackendStandalone)

  196. };

  197. 

  198. static CarlaBackendStandalone gStandalone;

  199. 

  200. // -------------------------------------------------------------------------------------------------------------------

  201. // NSM support

  202. 

  203. #define NSM_API_VERSION_MAJOR 1

  204. #define NSM_API_VERSION_MINOR 2

  205. 

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

  207. #define NSM_CLIENT_FEATURES ":switch:"

  208. 

  209. class CarlaNSM

  210. {

  211. public:

  212.     CarlaNSM() noexcept

  213.         : fOscServer(nullptr),

  214.           fHasBroadcast(false),

  215.           fHasShowHideUI(false) {}

  216. 

  217.     ~CarlaNSM()

  218.     {

  219.         if (fOscServer != nullptr)

  220.         {

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

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

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

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

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

  226.             lo_server_free(fOscServer);

  227.             fOscServer = nullptr;

  228.         }

  229.     }

  230. 

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

  232.     {

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

  234. 

  235.         if (NSM_URL == nullptr)

  236.             return;

  237. 

  238.         const lo_address addr = lo_address_new_from_url(NSM_URL);

  239. 

  240.         if (addr == nullptr)

  241.             return;

  242. 

  243.         const int proto = lo_address_get_protocol(addr);

  244. 

  245.         if (fOscServer == nullptr)

  246.         {

  247.             // create new OSC server

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

  249. 

  250.             // register message handlers and start OSC thread

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

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

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

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

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

  256.             // /nsm/client/session_is_loaded

  257.         }

  258. 

  259. #ifndef BUILD_ANSI_TEST

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

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

  262. #endif

  263. 

  264.         lo_address_free(addr);

  265.     }

  266. 

  267.     void idle() noexcept

  268.     {

  269.         if (fOscServer == nullptr)

  270.             return;

  271. 

  272.         for (;;)

  273.         {

  274.             try {

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

  276.                     break;

  277.             }

  278.             CARLA_SAFE_EXCEPTION_CONTINUE("NSM OSC idle")

  279.         }

  280.     }

  281. 

  282. protected:

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

  284.     {

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

  286. 

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

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

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

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

  291. 

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

  293. 

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

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

  296. 

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

  298. 

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

  300. 

  301.         return 0;

  302. 

  303. #ifndef DEBUG

  304.         // unused

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

  306. #endif

  307.     }

  308. 

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

  310.     {

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

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

  313. 

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

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

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

  317. 

  318.         if (! carla_is_engine_running())

  319.         {

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

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

  322. 

  323.             carla_engine_init("JACK", clientId);

  324.         }

  325.         else

  326.         {

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

  328. 

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

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

  331.         }

  332. 

  333.         fClientId = clientId;

  334. 

  335.         fProjectPath  = projectPath;

  336.         fProjectPath += ".carxp";

  337. 

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

  339. 

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

  341. 

  342. #ifndef BUILD_ANSI_TEST

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

  344. #endif

  345. 

  346. #if 0

  347.         if (fHasBroadcast)

  348.         {

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

  350. 

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

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

  353. 

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

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

  356. 

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

  358. 

  359.             std::free(url);

  360. 

  361.             carla_stdout("Broadcast sent!");

  362.         }

  363.         else

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

  365. #endif

  366. 

  367.         return 0;

  368. 

  369. #ifndef DEBUG

  370.         // unused

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

  372. #endif

  373.     }

  374. 

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

  376.     {

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

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

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

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

  381. 

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

  383. 

  384. #ifndef BUILD_ANSI_TEST

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

  386. #endif

  387. 

  388.         return 0;

  389. 

  390. #ifndef DEBUG

  391.         // unused

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

  393. #endif

  394.     }

  395. 

  396. #if 0

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

  398.     {

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

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

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

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

  403. 

  404. #ifndef BUILD_ANSI_TEST

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

  406. #endif

  407. 

  408.         return 0;

  409.     }

  410. #endif

  411. 

  412. private:

  413.     lo_server fOscServer;

  414. 

  415.     CarlaString fClientId;

  416.     CarlaString fProjectPath;

  417. 

  418.     bool fHasBroadcast;

  419.     bool fHasShowHideUI;

  420. 

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

  422. 

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

  424.     {

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

  426.     }

  427. 

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

  429.     {

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

  431.     }

  432. 

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

  434.     {

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

  436.     }

  437. 

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

  439.     {

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

  441.     }

  442. 

  443. #if 0

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

  445.     {

  446.         return handlePtr->handleShowHideGui(true);

  447.     }

  448. 

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

  450.     {

  451.         return handlePtr->handleShowHideGui(false);

  452.     }

  453. #endif

  454. 

  455.     #undef handlePtr

  456. 

  457.     CARLA_PREVENT_HEAP_ALLOCATION

  458.     CARLA_DECLARE_NON_COPY_CLASS(CarlaNSM)

  459. };

  460. 

  461. static CarlaNSM gNSM;

  462. 

  463. // -------------------------------------------------------------------------------------------------------------------

  464. // Always return a valid string ptr

  465. 

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

  467. 

  468. static void checkStringPtr(const char*& charPtr)

  469. {

  470.     if (charPtr == nullptr)

  471.         charPtr = gNullCharPtr;

  472. }

  473. 

  474. // -------------------------------------------------------------------------------------------------------------------

  475. // Constructors

  476. 

  477. _CarlaPluginInfo::_CarlaPluginInfo() noexcept

  478.     : type(CB::PLUGIN_NONE),

  479.       category(CB::PLUGIN_CATEGORY_NONE),

  480.       hints(0x0),

  481.       optionsAvailable(0x0),

  482.       optionsEnabled(0x0),

  483.       filename(gNullCharPtr),

  484.       name(gNullCharPtr),

  485.       label(gNullCharPtr),

  486.       maker(gNullCharPtr),

  487.       copyright(gNullCharPtr),

  488.       iconName(gNullCharPtr),

  489.       uniqueId(0) {}

  490. 

  491. _CarlaPluginInfo::~_CarlaPluginInfo() noexcept

  492. {

  493.     if (label != gNullCharPtr)

  494.         delete[] label;

  495.     if (maker != gNullCharPtr)

  496.         delete[] maker;

  497.     if (copyright != gNullCharPtr)

  498.         delete[] copyright;

  499. }

  500. 

  501. _CarlaNativePluginInfo::_CarlaNativePluginInfo() noexcept

  502.     : category(CB::PLUGIN_CATEGORY_NONE),

  503.       hints(0x0),

  504.       audioIns(0),

  505.       audioOuts(0),

  506.       midiIns(0),

  507.       midiOuts(0),

  508.       parameterIns(0),

  509.       parameterOuts(0),

  510.       name(gNullCharPtr),

  511.       label(gNullCharPtr),

  512.       maker(gNullCharPtr),

  513.       copyright(gNullCharPtr) {}

  514. 

  515. _CarlaParameterInfo::_CarlaParameterInfo() noexcept

  516.     : name(gNullCharPtr),

  517.       symbol(gNullCharPtr),

  518.       unit(gNullCharPtr),

  519.       scalePointCount(0) {}

  520. 

  521. _CarlaParameterInfo::~_CarlaParameterInfo() noexcept

  522. {

  523.     if (name != gNullCharPtr)

  524.         delete[] name;

  525.     if (symbol != gNullCharPtr)

  526.         delete[] symbol;

  527.     if (unit != gNullCharPtr)

  528.         delete[] unit;

  529. }

  530. 

  531. _CarlaScalePointInfo::_CarlaScalePointInfo() noexcept

  532.     : value(0.0f),

  533.       label(gNullCharPtr) {}

  534. 

  535. _CarlaScalePointInfo::~_CarlaScalePointInfo() noexcept

  536. {

  537.     if (label != gNullCharPtr)

  538.         delete[] label;

  539. }

  540. 

  541. _CarlaTransportInfo::_CarlaTransportInfo() noexcept

  542.     : playing(false),

  543.       frame(0),

  544.       bar(0),

  545.       beat(0),

  546.       tick(0),

  547.       bpm(0.0) {}

  548. 

  549. // -------------------------------------------------------------------------------------------------------------------

  550. // API

  551. 

  552. const char* carla_get_complete_license_text()

  553. {

  554.     carla_debug("carla_get_complete_license_text()");

  555. 

  556.     static CarlaString retText;

  557. 

  558.     if (retText.isEmpty())

  559.     {

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

  561. 

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

  563.         text1 += "<ul>";

  564. 

  565.         // Plugin formats

  566. #ifdef WANT_LADSPA

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

  568. #endif

  569. #ifdef WANT_DSSI

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

  571. #endif

  572. #ifdef WANT_LV2

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

  574. #endif

  575. #ifdef WANT_VST

  576. # ifdef VESTIGE_HEADER

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

  578. # else

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

  580. # endif

  581. #endif

  582. #ifdef WANT_AU

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

  584. #endif

  585. 

  586.         // Sample kit libraries

  587. #ifdef WANT_FLUIDSYNTH

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

  589. #endif

  590. #ifdef WANT_LINUXSAMPLER

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

  592. #endif

  593. 

  594. #ifdef WANT_NATIVE

  595.         // Internal plugins

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

  597. # ifdef WANT_ZYNADDSUBFX

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

  599. #  ifdef WANT_ZYNADDSUBFX_UI

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

  601. #  endif

  602. # endif

  603. #endif

  604. 

  605.         // misc libs

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

  607. #ifdef WANT_LV2

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

  609. #endif

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

  611. 

  612.         // end

  613.         text4 += "</ul>";

  614. 

  615.         // code snippets

  616.         text5 += "<p>Additionally, Carla uses code snippets from the following projects:</p>";

  617.         text5 += "<ul>";

  618.         text5 += "<li>Pointer and data leak utils from JUCE, http://www.rawmaterialsoftware.com/juce.php</li>";

  619.         text5 += "<li>Shared memory utils from dssi-vst, http://www.breakfastquay.com/dssi-vst/</li>";

  620.         text5 += "<li>Real-time memory pool, by Nedko Arnaudov</li>";

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

  622. 

  623. #ifdef WANT_LINUXSAMPLER

  624.         // LinuxSampler GPL exception

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

  626. #endif

  627. 

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

  629.     }

  630. 

  631.     return retText;

  632. }

  633. 

  634. const char* carla_get_supported_file_extensions()

  635. {

  636.     carla_debug("carla_get_supported_file_extensions()");

  637. 

  638.     static CarlaString retText;

  639. 

  640.     if (retText.isEmpty())

  641.     {

  642.         // Base types

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

  644. 

  645.         // Sample kits

  646. #ifdef WANT_FLUIDSYNTH

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

  648. #endif

  649. #ifdef WANT_LINUXSAMPLER

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

  651. #endif

  652. 

  653.         // Audio files, FIXME

  654.         retText += ";*.aiff;*.flac;*.oga;*.ogg;*.w64;*.wav";

  655.         retText += ";*.3g2;*.3gp;*.aac;*.ac3;*.amr;*.ape;*.mp2;*.mp3;*.mpc;*.wma";

  656. 

  657.         // MIDI files

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

  659. 

  660.         // Plugin presets

  661. #ifdef WANT_ZYNADDSUBFX

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

  663. #endif

  664.     }

  665. 

  666.     return retText;

  667. }

  668. 

  669. // -------------------------------------------------------------------------------------------------------------------

  670. 

  671. unsigned int carla_get_engine_driver_count()

  672. {

  673.     carla_debug("carla_get_engine_driver_count()");

  674. 

  675.     return CarlaEngine::getDriverCount();

  676. }

  677. 

  678. const char* carla_get_engine_driver_name(unsigned int index)

  679. {

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

  681. 

  682.     return CarlaEngine::getDriverName(index);

  683. }

  684. 

  685. const char* const* carla_get_engine_driver_device_names(unsigned int index)

  686. {

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

  688. 

  689.     return CarlaEngine::getDriverDeviceNames(index);

  690. }

  691. 

  692. const EngineDriverDeviceInfo* carla_get_engine_driver_device_info(unsigned int index, const char* name)

  693. {

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

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

  696. 

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

  698.     {

  699.         static EngineDriverDeviceInfo devInfo;

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

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

  702. 

  703.         devInfo.hints       = ret->hints;

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

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

  706.         return &devInfo;

  707.     }

  708. 

  709.     return nullptr;

  710. }

  711. 

  712. // -------------------------------------------------------------------------------------------------------------------

  713. 

  714. unsigned int carla_get_internal_plugin_count()

  715. {

  716.     carla_debug("carla_get_internal_plugin_count()");

  717. 

  718. #ifdef WANT_NATIVE

  719.     return static_cast<unsigned int>(CarlaPlugin::getNativePluginCount());

  720. #else

  721.     return 0;

  722. #endif

  723. }

  724. 

  725. const CarlaNativePluginInfo* carla_get_internal_plugin_info(unsigned int index)

  726. {

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

  728. 

  729. #ifdef WANT_NATIVE

  730.     static CarlaNativePluginInfo info;

  731. 

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

  733. 

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

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

  736. 

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

  738.      info.hints    = 0x0;

  739. 

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

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

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

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

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

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

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

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

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

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

  750. 

  751.      info.audioIns  = nativePlugin->audioIns;

  752.      info.audioOuts = nativePlugin->audioOuts;

  753.      info.midiIns   = nativePlugin->midiIns;

  754.      info.midiOuts  = nativePlugin->midiOuts;

  755.      info.parameterIns  = nativePlugin->paramIns;

  756.      info.parameterOuts = nativePlugin->paramOuts;

  757. 

  758.      info.name      = nativePlugin->name;

  759.      info.label     = nativePlugin->label;

  760.      info.maker     = nativePlugin->maker;

  761.      info.copyright = nativePlugin->copyright;

  762. 

  763.      checkStringPtr(info.name);

  764.      checkStringPtr(info.label);

  765.      checkStringPtr(info.maker);

  766.      checkStringPtr(info.copyright);

  767. 

  768.     return &info;

  769. #else

  770.     return nullptr;

  771. 

  772.     // unused

  773.     (void)index;

  774. #endif

  775. }

  776. 

  777. // -------------------------------------------------------------------------------------------------------------------

  778. 

  779. const CarlaEngine* carla_get_engine()

  780. {

  781.     carla_debug("carla_get_engine()");

  782. 

  783.     return gStandalone.engine;

  784. }

  785. 

  786. // -------------------------------------------------------------------------------------------------------------------

  787. 

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

  789. {

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

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

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

  793. 

  794.     if (gStandalone.engine != nullptr)

  795.     {

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

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

  798.         return false;

  799.     }

  800. 

  801. #ifdef CARLA_OS_WIN

  802.     carla_setenv("WINEASIO_CLIENT_NAME", clientName);

  803. #endif

  804. 

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

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

  807.     {

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

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

  810.     }

  811. 

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

  813. 

  814.     if (gStandalone.engine == nullptr)

  815.     {

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

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

  818.         return false;

  819.     }

  820. 

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

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

  823. 

  824. #ifdef BUILD_BRIDGE

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

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

  827. #else

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

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

  830. #endif

  831. 

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

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

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

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

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

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

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

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

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

  841. 

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

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

  844. 

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

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

  847. 

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

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

  850. 

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

  852.     {

  853.         char strBuf[STR_MAX+1];

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

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

  856.     }

  857.     else

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

  859. 

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

  861.     {

  862.         gStandalone.lastError = "No error";

  863. #ifdef HAVE_JUCE_UI

  864.         gStandalone.init();

  865. #endif

  866.         return true;

  867.     }

  868.     else

  869.     {

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

  871.         delete gStandalone.engine;

  872.         gStandalone.engine = nullptr;

  873.         return false;

  874.     }

  875. }

  876. 

  877. #ifdef BUILD_BRIDGE

  878. bool carla_engine_init_bridge(const char audioBaseName[6+1], const char controlBaseName[6+1], const char timeBaseName[6+1], const char* clientName)

  879. {

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

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

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

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

  884.     carla_debug("carla_engine_init_bridge(\"%s\", \"%s\", \"%s\", \"%s\")", audioBaseName, controlBaseName, timeBaseName, clientName);

  885. 

  886.     if (gStandalone.engine != nullptr)

  887.     {

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

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

  890.         return false;

  891.     }

  892. 

  893.     gStandalone.engine = CarlaEngine::newBridge(audioBaseName, controlBaseName, timeBaseName);

  894. 

  895.     if (gStandalone.engine == nullptr)

  896.     {

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

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

  899.         return false;

  900.     }

  901. 

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

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

  904. 

  905.     // forced options for bridge mode

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

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

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

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

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

  911. 

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

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

  914. 

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

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

  917. 

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

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

  920. 

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

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

  923. 

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

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

  926. 

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

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

  929. 

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

  931.     {

  932.         gStandalone.lastError = "No error";

  933. #ifdef HAVE_JUCE_UI

  934.         gStandalone.init();

  935. #endif

  936.         return true;

  937.     }

  938.     else

  939.     {

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

  941.         delete gStandalone.engine;

  942.         gStandalone.engine = nullptr;

  943.         return false;

  944.     }

  945. }

  946. #endif

  947. 

  948. bool carla_engine_close()

  949. {

  950.     carla_debug("carla_engine_close()");

  951. 

  952.     if (gStandalone.engine == nullptr)

  953.     {

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

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

  956.         return false;

  957.     }

  958. 

  959.     gStandalone.engine->setAboutToClose();

  960.     gStandalone.engine->removeAllPlugins();

  961. 

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

  963. 

  964.     if (! closed)

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

  966. 

  967. #ifdef HAVE_JUCE_UI

  968.     gStandalone.close();

  969. #endif

  970. 

  971.     delete gStandalone.engine;

  972.     gStandalone.engine = nullptr;

  973. 

  974.     return closed;

  975. }

  976. 

  977. void carla_engine_idle()

  978. {

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

  980. 

  981.     gNSM.idle();

  982. #if defined(HAVE_JUCE_UI) && ! defined(CARLA_OS_LINUX)

  983.     gStandalone.idle();

  984. #endif

  985.     gStandalone.engine->idle();

  986. }

  987. 

  988. bool carla_is_engine_running()

  989. {

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

  991. }

  992. 

  993. void carla_set_engine_about_to_close()

  994. {

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

  996.     carla_debug("carla_set_engine_about_to_close()");

  997. 

  998.     gStandalone.engine->setAboutToClose();

  999. }

  1000. 

  1001. void carla_set_engine_callback(EngineCallbackFunc func, void* ptr)

  1002. {

  1003.     carla_debug("carla_set_engine_callback(%p, %p)", func, ptr);

  1004. 

  1005.     gStandalone.engineCallback    = func;

  1006.     gStandalone.engineCallbackPtr = ptr;

  1007. 

  1008.     if (gStandalone.engine != nullptr)

  1009.         gStandalone.engine->setCallback(func, ptr);

  1010. 

  1011. //#ifdef WANT_LOGS

  1012. //    gLogThread.setCallback(func, ptr);

  1013. //#endif

  1014. }

  1015. 

  1016. #ifndef BUILD_BRIDGE

  1017. void carla_set_engine_option(EngineOption option, int value, const char* valueStr)

  1018. {

  1019.     carla_debug("carla_set_engine_option(%i:%s, %i, \"%s\")", option, CB::EngineOption2Str(option), value, valueStr);

  1020. 

  1021.     switch (option)

  1022.     {

  1023.     case CB::ENGINE_OPTION_DEBUG:

  1024.         break;

  1025. 

  1026.     case CB::ENGINE_OPTION_PROCESS_MODE:

  1027.         CARLA_SAFE_ASSERT_RETURN(value >= CB::ENGINE_PROCESS_MODE_SINGLE_CLIENT && value < CB::ENGINE_PROCESS_MODE_BRIDGE,);

  1028.         gStandalone.engineOptions.processMode = static_cast<CB::EngineProcessMode>(value);

  1029.         break;

  1030. 

  1031.     case CB::ENGINE_OPTION_TRANSPORT_MODE:

  1032.         CARLA_SAFE_ASSERT_RETURN(value >= CB::ENGINE_TRANSPORT_MODE_INTERNAL && value < CB::ENGINE_TRANSPORT_MODE_BRIDGE,);

  1033.         gStandalone.engineOptions.transportMode = static_cast<CB::EngineTransportMode>(value);

  1034.         break;

  1035. 

  1036.     case CB::ENGINE_OPTION_FORCE_STEREO:

  1037.         CARLA_SAFE_ASSERT_RETURN(value == 0 || value == 1,);

  1038.         gStandalone.engineOptions.forceStereo = (value != 0);

  1039.         break;

  1040. 

  1041.     case CB::ENGINE_OPTION_PREFER_PLUGIN_BRIDGES:

  1042.         CARLA_SAFE_ASSERT_RETURN(value == 0 || value == 1,);

  1043.         gStandalone.engineOptions.preferPluginBridges = (value != 0);

  1044.         break;

  1045. 

  1046.     case CB::ENGINE_OPTION_PREFER_UI_BRIDGES:

  1047.         CARLA_SAFE_ASSERT_RETURN(value == 0 || value == 1,);

  1048.         gStandalone.engineOptions.preferUiBridges = (value != 0);

  1049.         break;

  1050. 

  1051.     case CB::ENGINE_OPTION_UIS_ALWAYS_ON_TOP:

  1052.         CARLA_SAFE_ASSERT_RETURN(value == 0 || value == 1,);

  1053.         gStandalone.engineOptions.uisAlwaysOnTop = (value != 0);

  1054.         break;

  1055. 

  1056.     case CB::ENGINE_OPTION_MAX_PARAMETERS:

  1057.         CARLA_SAFE_ASSERT_RETURN(value >= 0,);

  1058.         gStandalone.engineOptions.maxParameters = static_cast<unsigned int>(value);

  1059.         break;

  1060. 

  1061.     case CB::ENGINE_OPTION_UI_BRIDGES_TIMEOUT:

  1062.         CARLA_SAFE_ASSERT_RETURN(value >= 0,);

  1063.         gStandalone.engineOptions.uiBridgesTimeout = static_cast<unsigned int>(value);

  1064.         break;

  1065. 

  1066.     case CB::ENGINE_OPTION_AUDIO_NUM_PERIODS:

  1067.         CARLA_SAFE_ASSERT_RETURN(value >= 2 && value <= 3,);

  1068.         gStandalone.engineOptions.audioNumPeriods = static_cast<unsigned int>(value);

  1069.         break;

  1070. 

  1071.     case CB::ENGINE_OPTION_AUDIO_BUFFER_SIZE:

  1072.         CARLA_SAFE_ASSERT_RETURN(value >= 8,);

  1073.         gStandalone.engineOptions.audioBufferSize = static_cast<unsigned int>(value);

  1074.         break;

  1075. 

  1076.     case CB::ENGINE_OPTION_AUDIO_SAMPLE_RATE:

  1077.         CARLA_SAFE_ASSERT_RETURN(value >= 22050,);

  1078.         gStandalone.engineOptions.audioSampleRate = static_cast<unsigned int>(value);

  1079.         break;

  1080. 

  1081.     case CB::ENGINE_OPTION_AUDIO_DEVICE:

  1082.         CARLA_SAFE_ASSERT_RETURN(valueStr != nullptr,);

  1083. 

  1084.         if (gStandalone.engineOptions.audioDevice != nullptr)

  1085.             delete[] gStandalone.engineOptions.audioDevice;

  1086. 

  1087.         gStandalone.engineOptions.audioDevice = carla_strdup(valueStr);

  1088.         break;

  1089. 

  1090.     case CB:: ENGINE_OPTION_NSM_INIT:

  1091.         CARLA_SAFE_ASSERT_RETURN(value != 0,);

  1092.         CARLA_SAFE_ASSERT_RETURN(valueStr != nullptr && valueStr[0] != '\0',);

  1093.         gNSM.announce(value, valueStr);

  1094.         break;

  1095. 

  1096.     case CB::ENGINE_OPTION_PATH_BINARIES:

  1097.         CARLA_SAFE_ASSERT_RETURN(valueStr != nullptr && valueStr[0] != '\0',);

  1098. 

  1099.         if (gStandalone.engineOptions.binaryDir != nullptr)

  1100.             delete[] gStandalone.engineOptions.binaryDir;

  1101. 

  1102.         gStandalone.engineOptions.binaryDir = carla_strdup(valueStr);

  1103.         break;

  1104. 

  1105.     case CB::ENGINE_OPTION_PATH_RESOURCES:

  1106.         CARLA_SAFE_ASSERT_RETURN(valueStr != nullptr && valueStr[0] != '\0',);

  1107. 

  1108.         if (gStandalone.engineOptions.resourceDir != nullptr)

  1109.             delete[] gStandalone.engineOptions.resourceDir;

  1110. 

  1111.         gStandalone.engineOptions.resourceDir = carla_strdup(valueStr);

  1112.         break;

  1113. 

  1114.     case CB::ENGINE_OPTION_FRONTEND_WIN_ID:

  1115.         CARLA_SAFE_ASSERT_RETURN(valueStr != nullptr && valueStr[0] != '\0',);

  1116.         const long long winId(std::strtoll(valueStr, nullptr, 16));

  1117.         CARLA_SAFE_ASSERT_RETURN(winId >= 0,);

  1118.         gStandalone.engineOptions.frontendWinId = static_cast<uintptr_t>(winId);

  1119.         break;

  1120.     }

  1121. 

  1122.     if (gStandalone.engine != nullptr)

  1123.         gStandalone.engine->setOption(option, value, valueStr);

  1124. }

  1125. #endif

  1126. 

  1127. void carla_set_file_callback(FileCallbackFunc func, void* ptr)

  1128. {

  1129.     carla_debug("carla_set_file_callback(%p, %p)", func, ptr);

  1130. 

  1131.     gStandalone.fileCallback    = func;

  1132.     gStandalone.fileCallbackPtr = ptr;

  1133. 

  1134.     if (gStandalone.engine != nullptr)

  1135.         gStandalone.engine->setFileCallback(func, ptr);

  1136. }

  1137. 

  1138. // -------------------------------------------------------------------------------------------------------------------

  1139. 

  1140. bool carla_load_file(const char* filename)

  1141. {

  1142.     CARLA_SAFE_ASSERT_RETURN(filename != nullptr && filename[0] != '\0', false);

  1143.     carla_debug("carla_load_file(\"%s\")", filename);

  1144. 

  1145.     if (gStandalone.engine != nullptr)

  1146.         return gStandalone.engine->loadFile(filename);

  1147. 

  1148.     carla_stderr2("Engine is not running");

  1149.     gStandalone.lastError = "Engine is not running";

  1150.     return false;

  1151. }

  1152. 

  1153. bool carla_load_project(const char* filename)

  1154. {

  1155.     CARLA_SAFE_ASSERT_RETURN(filename != nullptr && filename[0] != '\0', false);

  1156.     carla_debug("carla_load_project(\"%s\")", filename);

  1157. 

  1158.     if (gStandalone.engine != nullptr)

  1159.         return gStandalone.engine->loadProject(filename);

  1160. 

  1161.     carla_stderr2("Engine is not running");

  1162.     gStandalone.lastError = "Engine is not running";

  1163.     return false;

  1164. }

  1165. 

  1166. bool carla_save_project(const char* filename)

  1167. {

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

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

  1170. 

  1171.     if (gStandalone.engine != nullptr)

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

  1173. 

  1174.     carla_stderr2("Engine was never initiated");

  1175.     gStandalone.lastError = "Engine was never initiated";

  1176.     return false;

  1177. }

  1178. 

  1179. #ifndef BUILD_BRIDGE

  1180. // -------------------------------------------------------------------------------------------------------------------

  1181. 

  1182. bool carla_patchbay_connect(uint groupIdA, uint portIdA, uint groupIdB, uint portIdB)

  1183. {

  1184.     carla_debug("carla_patchbay_connect(%u, %u, %u, %u)", groupIdA, portIdA, groupIdB, portIdB);

  1185. 

  1186.     if (gStandalone.engine != nullptr)

  1187.         return gStandalone.engine->patchbayConnect(groupIdA, portIdA, groupIdB, portIdB);

  1188. 

  1189.     carla_stderr2("Engine is not running");

  1190.     gStandalone.lastError = "Engine is not running";

  1191.     return false;

  1192. }

  1193. 

  1194. bool carla_patchbay_disconnect(uint connectionId)

  1195. {

  1196.     carla_debug("carla_patchbay_disconnect(%i)", connectionId);

  1197. 

  1198.     if (gStandalone.engine != nullptr)

  1199.         return gStandalone.engine->patchbayDisconnect(connectionId);

  1200. 

  1201.     carla_stderr2("Engine is not running");

  1202.     gStandalone.lastError = "Engine is not running";

  1203.     return false;

  1204. }

  1205. 

  1206. bool carla_patchbay_refresh()

  1207. {

  1208.     carla_debug("carla_patchbay_refresh()");

  1209. 

  1210.     if (gStandalone.engine != nullptr)

  1211.         return gStandalone.engine->patchbayRefresh();

  1212. 

  1213.     carla_stderr2("Engine is not running");

  1214.     gStandalone.lastError = "Engine is not running";

  1215.     return false;

  1216. }

  1217. #endif

  1218. 

  1219. // -------------------------------------------------------------------------------------------------------------------

  1220. 

  1221. void carla_transport_play()

  1222. {

  1223.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr && gStandalone.engine->isRunning(),);

  1224.     carla_debug("carla_transport_play()");

  1225. 

  1226.     gStandalone.engine->transportPlay();

  1227. }

  1228. 

  1229. void carla_transport_pause()

  1230. {

  1231.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr && gStandalone.engine->isRunning(),);

  1232.     carla_debug("carla_transport_pause()");

  1233. 

  1234.     gStandalone.engine->transportPause();

  1235. }

  1236. 

  1237. void carla_transport_relocate(uint64_t frame)

  1238. {

  1239.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr && gStandalone.engine->isRunning(),);

  1240.     carla_debug("carla_transport_relocate(%i)", frame);

  1241. 

  1242.     gStandalone.engine->transportRelocate(frame);

  1243. }

  1244. 

  1245. uint64_t carla_get_current_transport_frame()

  1246. {

  1247.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr && gStandalone.engine->isRunning(), 0);

  1248. 

  1249.     const CB::EngineTimeInfo& timeInfo(gStandalone.engine->getTimeInfo());

  1250.     return timeInfo.frame;

  1251. }

  1252. 

  1253. const CarlaTransportInfo* carla_get_transport_info()

  1254. {

  1255.     static CarlaTransportInfo retInfo;

  1256. 

  1257.     // reset

  1258.     retInfo.playing = false;

  1259.     retInfo.frame   = 0;

  1260.     retInfo.bar     = 0;

  1261.     retInfo.beat    = 0;

  1262.     retInfo.tick    = 0;

  1263.     retInfo.bpm     = 0.0;

  1264. 

  1265.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr && gStandalone.engine->isRunning(), &retInfo);

  1266. 

  1267.     const CB::EngineTimeInfo& timeInfo(gStandalone.engine->getTimeInfo());

  1268. 

  1269.     retInfo.playing = timeInfo.playing;

  1270.     retInfo.frame   = timeInfo.frame;

  1271. 

  1272.     if (timeInfo.valid & CB::EngineTimeInfo::kValidBBT)

  1273.     {

  1274.         retInfo.bar  = timeInfo.bbt.bar;

  1275.         retInfo.beat = timeInfo.bbt.beat;

  1276.         retInfo.tick = timeInfo.bbt.tick;

  1277.         retInfo.bpm  = timeInfo.bbt.beatsPerMinute;

  1278.     }

  1279. 

  1280.     return &retInfo;

  1281. }

  1282. 

  1283. // -------------------------------------------------------------------------------------------------------------------

  1284. 

  1285. bool carla_add_plugin(BinaryType btype, PluginType ptype, const char* filename, const char* name, const char* label, int64_t uniqueId, const void* extraPtr)

  1286. {

  1287.     CARLA_SAFE_ASSERT_RETURN(label != nullptr /*&& label[0] != '\0'*/, false);

  1288.     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);

  1289. 

  1290.     if (gStandalone.engine != nullptr)

  1291.         return gStandalone.engine->addPlugin(btype, ptype, filename, name, label, uniqueId, extraPtr);

  1292. 

  1293.     carla_stderr2("Engine is not running");

  1294.     gStandalone.lastError = "Engine is not running";

  1295.     return false;

  1296. }

  1297. 

  1298. bool carla_remove_plugin(uint pluginId)

  1299. {

  1300.     carla_debug("carla_remove_plugin(%i)", pluginId);

  1301. 

  1302.     if (gStandalone.engine != nullptr)

  1303.         return gStandalone.engine->removePlugin(pluginId);

  1304. 

  1305.     carla_stderr2("Engine is not running");

  1306.     gStandalone.lastError = "Engine is not running";

  1307.     return false;

  1308. }

  1309. 

  1310. bool carla_remove_all_plugins()

  1311. {

  1312.     carla_debug("carla_remove_all_plugins()");

  1313. 

  1314.     if (gStandalone.engine != nullptr)

  1315.         return gStandalone.engine->removeAllPlugins();

  1316. 

  1317.     carla_stderr2("Engine is not running");

  1318.     gStandalone.lastError = "Engine is not running";

  1319.     return false;

  1320. }

  1321. 

  1322. const char* carla_rename_plugin(uint pluginId, const char* newName)

  1323. {

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

  1325.     carla_debug("carla_rename_plugin(%i, \"%s\")", pluginId, newName);

  1326. 

  1327.     if (gStandalone.engine != nullptr)

  1328.         return gStandalone.engine->renamePlugin(pluginId, newName);

  1329. 

  1330.     carla_stderr2("Engine is not running");

  1331.     gStandalone.lastError = "Engine is not running";

  1332.     return nullptr;

  1333. }

  1334. 

  1335. bool carla_clone_plugin(uint pluginId)

  1336. {

  1337.     carla_debug("carla_clone_plugin(%i)", pluginId);

  1338. 

  1339.     if (gStandalone.engine != nullptr)

  1340.         return gStandalone.engine->clonePlugin(pluginId);

  1341. 

  1342.     carla_stderr2("Engine is not running");

  1343.     gStandalone.lastError = "Engine is not running";

  1344.     return false;

  1345. }

  1346. 

  1347. bool carla_replace_plugin(uint pluginId)

  1348. {

  1349.     carla_debug("carla_replace_plugin(%i)", pluginId);

  1350. 

  1351.     if (gStandalone.engine != nullptr)

  1352.         return gStandalone.engine->replacePlugin(pluginId);

  1353. 

  1354.     carla_stderr2("Engine is not running");

  1355.     gStandalone.lastError = "Engine is not running";

  1356.     return false;

  1357. }

  1358. 

  1359. bool carla_switch_plugins(uint pluginIdA, uint pluginIdB)

  1360. {

  1361.     CARLA_SAFE_ASSERT_RETURN(pluginIdA != pluginIdB, false);

  1362.     carla_debug("carla_switch_plugins(%i, %i)", pluginIdA, pluginIdB);

  1363. 

  1364.     if (gStandalone.engine != nullptr)

  1365.         return gStandalone.engine->switchPlugins(pluginIdA, pluginIdB);

  1366. 

  1367.     carla_stderr2("Engine is not running");

  1368.     gStandalone.lastError = "Engine is not running";

  1369.     return false;

  1370. }

  1371. 

  1372. // -------------------------------------------------------------------------------------------------------------------

  1373. 

  1374. bool carla_load_plugin_state(uint pluginId, const char* filename)

  1375. {

  1376.     CARLA_SAFE_ASSERT_RETURN(filename != nullptr && filename[0] != '\0', false);

  1377.     carla_debug("carla_load_plugin_state(%i, \"%s\")", pluginId, filename);

  1378. 

  1379.     if (gStandalone.engine == nullptr || ! gStandalone.engine->isRunning())

  1380.     {

  1381.         carla_stderr2("Engine is not running");

  1382.         gStandalone.lastError = "Engine is not running";

  1383.         return false;

  1384.     }

  1385. 

  1386.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1387.         return plugin->loadStateFromFile(filename);

  1388. 

  1389.     carla_stderr2("carla_load_plugin_state(%i, \"%s\") - could not find plugin", pluginId, filename);

  1390.     return false;

  1391. }

  1392. 

  1393. bool carla_save_plugin_state(uint pluginId, const char* filename)

  1394. {

  1395.     CARLA_SAFE_ASSERT_RETURN(filename != nullptr && filename[0] != '\0', false);

  1396.     carla_debug("carla_save_plugin_state(%i, \"%s\")", pluginId, filename);

  1397. 

  1398.     if (gStandalone.engine == nullptr)

  1399.     {

  1400.         carla_stderr2("Engine is not running");

  1401.         gStandalone.lastError = "Engine is not running";

  1402.         return false;

  1403.     }

  1404. 

  1405.     // allow to save even if engine isn't running

  1406. 

  1407.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1408.         return plugin->saveStateToFile(filename);

  1409. 

  1410.     carla_stderr2("carla_save_plugin_state(%i, \"%s\") - could not find plugin", pluginId, filename);

  1411.     return false;

  1412. }

  1413. 

  1414. // -------------------------------------------------------------------------------------------------------------------

  1415. 

  1416. const CarlaPluginInfo* carla_get_plugin_info(uint pluginId)

  1417. {

  1418.     carla_debug("carla_get_plugin_info(%i)", pluginId);

  1419. 

  1420.     static CarlaPluginInfo info;

  1421. 

  1422.     // reset

  1423.     info.type             = CB::PLUGIN_NONE;

  1424.     info.category         = CB::PLUGIN_CATEGORY_NONE;

  1425.     info.hints            = 0x0;

  1426.     info.optionsAvailable = 0x0;

  1427.     info.optionsEnabled   = 0x0;

  1428.     info.filename         = gNullCharPtr;

  1429.     info.name             = gNullCharPtr;

  1430.     info.iconName         = gNullCharPtr;

  1431.     info.uniqueId         = 0;

  1432. 

  1433.     // cleanup

  1434.     if (info.label != gNullCharPtr)

  1435.     {

  1436.         delete[] info.label;

  1437.         info.label = gNullCharPtr;

  1438.     }

  1439. 

  1440.     if (info.maker != gNullCharPtr)

  1441.     {

  1442.         delete[] info.maker;

  1443.         info.maker = gNullCharPtr;

  1444.     }

  1445. 

  1446.     if (info.copyright != gNullCharPtr)

  1447.     {

  1448.         delete[] info.copyright;

  1449.         info.copyright = gNullCharPtr;

  1450.     }

  1451. 

  1452.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, &info);

  1453. 

  1454.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1455.     {

  1456.         char strBufLabel[STR_MAX+1];

  1457.         char strBufMaker[STR_MAX+1];

  1458.         char strBufCopyright[STR_MAX+1];

  1459. 

  1460.         carla_zeroChar(strBufLabel, STR_MAX+1);

  1461.         carla_zeroChar(strBufMaker, STR_MAX+1);

  1462.         carla_zeroChar(strBufCopyright, STR_MAX+1);

  1463. 

  1464.         info.type     = plugin->getType();

  1465.         info.category = plugin->getCategory();

  1466.         info.hints    = plugin->getHints();

  1467.         info.filename = plugin->getFilename();

  1468.         info.name     = plugin->getName();

  1469.         info.iconName = plugin->getIconName();

  1470.         info.uniqueId = plugin->getUniqueId();

  1471. 

  1472.         info.optionsAvailable = plugin->getOptionsAvailable();

  1473.         info.optionsEnabled   = plugin->getOptionsEnabled();

  1474. 

  1475.         plugin->getLabel(strBufLabel);

  1476.         info.label = carla_strdup(strBufLabel);

  1477. 

  1478.         plugin->getMaker(strBufMaker);

  1479.         info.maker = carla_strdup(strBufMaker);

  1480. 

  1481.         plugin->getCopyright(strBufCopyright);

  1482.         info.copyright = carla_strdup(strBufCopyright);

  1483. 

  1484.         checkStringPtr(info.filename);

  1485.         checkStringPtr(info.name);

  1486.         checkStringPtr(info.iconName);

  1487. 

  1488.         return &info;

  1489.     }

  1490. 

  1491.     carla_stderr2("carla_get_plugin_info(%i) - could not find plugin", pluginId);

  1492.     return &info;

  1493. }

  1494. 

  1495. const CarlaPortCountInfo* carla_get_audio_port_count_info(uint pluginId)

  1496. {

  1497.     carla_debug("carla_get_audio_port_count_info(%i)", pluginId);

  1498. 

  1499.     static CarlaPortCountInfo info;

  1500. 

  1501.     // reset

  1502.     info.ins   = 0;

  1503.     info.outs  = 0;

  1504. 

  1505.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, &info);

  1506. 

  1507.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1508.     {

  1509.         info.ins   = plugin->getAudioInCount();

  1510.         info.outs  = plugin->getAudioOutCount();

  1511.         return &info;

  1512.     }

  1513. 

  1514.     carla_stderr2("carla_get_audio_port_count_info(%i) - could not find plugin", pluginId);

  1515.     return &info;

  1516. }

  1517. 

  1518. const CarlaPortCountInfo* carla_get_midi_port_count_info(uint pluginId)

  1519. {

  1520.     carla_debug("carla_get_midi_port_count_info(%i)", pluginId);

  1521. 

  1522.     static CarlaPortCountInfo info;

  1523. 

  1524.     // reset

  1525.     info.ins   = 0;

  1526.     info.outs  = 0;

  1527. 

  1528.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, &info);

  1529. 

  1530.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1531.     {

  1532.         info.ins   = plugin->getMidiInCount();

  1533.         info.outs  = plugin->getMidiOutCount();

  1534.         return &info;

  1535.     }

  1536. 

  1537.     carla_stderr2("carla_get_midi_port_count_info(%i) - could not find plugin", pluginId);

  1538.     return &info;

  1539. }

  1540. 

  1541. const CarlaPortCountInfo* carla_get_parameter_count_info(uint pluginId)

  1542. {

  1543.     carla_debug("carla_get_parameter_count_info(%i)", pluginId);

  1544. 

  1545.     static CarlaPortCountInfo info;

  1546. 

  1547.     // reset

  1548.     info.ins   = 0;

  1549.     info.outs  = 0;

  1550. 

  1551.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, &info);

  1552. 

  1553.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1554.     {

  1555.         plugin->getParameterCountInfo(info.ins, info.outs);

  1556.         return &info;

  1557.     }

  1558. 

  1559.     carla_stderr2("carla_get_parameter_count_info(%i) - could not find plugin", pluginId);

  1560.     return &info;

  1561. }

  1562. 

  1563. const CarlaParameterInfo* carla_get_parameter_info(uint pluginId, uint32_t parameterId)

  1564. {

  1565.     carla_debug("carla_get_parameter_info(%i, %i)", pluginId, parameterId);

  1566. 

  1567.     static CarlaParameterInfo info;

  1568. 

  1569.     // reset

  1570.     info.scalePointCount = 0;

  1571. 

  1572.     // cleanup

  1573.     if (info.name != gNullCharPtr)

  1574.     {

  1575.         delete[] info.name;

  1576.         info.name = gNullCharPtr;

  1577.     }

  1578. 

  1579.     if (info.symbol != gNullCharPtr)

  1580.     {

  1581.         delete[] info.symbol;

  1582.         info.symbol = gNullCharPtr;

  1583.     }

  1584. 

  1585.     if (info.unit != gNullCharPtr)

  1586.     {

  1587.         delete[] info.unit;

  1588.         info.unit = gNullCharPtr;

  1589.     }

  1590. 

  1591.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, &info);

  1592. 

  1593.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1594.     {

  1595.         if (parameterId < plugin->getParameterCount())

  1596.         {

  1597.             char strBufName[STR_MAX+1];

  1598.             char strBufSymbol[STR_MAX+1];

  1599.             char strBufUnit[STR_MAX+1];

  1600. 

  1601.             carla_zeroChar(strBufName, STR_MAX+1);

  1602.             carla_zeroChar(strBufSymbol, STR_MAX+1);

  1603.             carla_zeroChar(strBufUnit, STR_MAX+1);

  1604. 

  1605.             info.scalePointCount = plugin->getParameterScalePointCount(parameterId);

  1606. 

  1607.             plugin->getParameterName(parameterId, strBufName);

  1608.             info.name = carla_strdup(strBufName);

  1609. 

  1610.             plugin->getParameterSymbol(parameterId, strBufSymbol);

  1611.             info.symbol = carla_strdup(strBufSymbol);

  1612. 

  1613.             plugin->getParameterUnit(parameterId, strBufUnit);

  1614.             info.unit = carla_strdup(strBufUnit);

  1615.         }

  1616.         else

  1617.             carla_stderr2("carla_get_parameter_info(%i, %i) - parameterId out of bounds", pluginId, parameterId);

  1618. 

  1619.         return &info;

  1620.     }

  1621. 

  1622.     carla_stderr2("carla_get_parameter_info(%i, %i) - could not find plugin", pluginId, parameterId);

  1623.     return &info;

  1624. }

  1625. 

  1626. const CarlaScalePointInfo* carla_get_parameter_scalepoint_info(uint pluginId, uint32_t parameterId, uint32_t scalePointId)

  1627. {

  1628.     carla_debug("carla_get_parameter_scalepoint_info(%i, %i, %i)", pluginId, parameterId, scalePointId);

  1629.     CARLA_ASSERT(gStandalone.engine != nullptr);

  1630. 

  1631.     static CarlaScalePointInfo info;

  1632. 

  1633.     // reset

  1634.     info.value = 0.0f;

  1635. 

  1636.     // cleanup

  1637.     if (info.label != gNullCharPtr)

  1638.     {

  1639.         delete[] info.label;

  1640.         info.label = gNullCharPtr;

  1641.     }

  1642. 

  1643.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, &info);

  1644. 

  1645.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1646.     {

  1647.         if (parameterId < plugin->getParameterCount())

  1648.         {

  1649.             if (scalePointId < plugin->getParameterScalePointCount(parameterId))

  1650.             {

  1651.                 char strBufLabel[STR_MAX+1];

  1652.                 carla_zeroChar(strBufLabel, STR_MAX+1);

  1653. 

  1654.                 info.value = plugin->getParameterScalePointValue(parameterId, scalePointId);

  1655. 

  1656.                 plugin->getParameterScalePointLabel(parameterId, scalePointId, strBufLabel);

  1657.                 info.label = carla_strdup(strBufLabel);

  1658.             }

  1659.             else

  1660.                 carla_stderr2("carla_get_parameter_scalepoint_info(%i, %i, %i) - scalePointId out of bounds", pluginId, parameterId, scalePointId);

  1661.         }

  1662.         else

  1663.             carla_stderr2("carla_get_parameter_scalepoint_info(%i, %i, %i) - parameterId out of bounds", pluginId, parameterId, scalePointId);

  1664. 

  1665.         return &info;

  1666.     }

  1667. 

  1668.     carla_stderr2("carla_get_parameter_scalepoint_info(%i, %i, %i) - could not find plugin", pluginId, parameterId, scalePointId);

  1669.     return &info;

  1670. }

  1671. 

  1672. // -------------------------------------------------------------------------------------------------------------------

  1673. 

  1674. const ParameterData* carla_get_parameter_data(uint pluginId, uint32_t parameterId)

  1675. {

  1676.     carla_debug("carla_get_parameter_data(%i, %i)", pluginId, parameterId);

  1677. 

  1678.     static const ParameterData fallbackParameterData = { CB::PARAMETER_UNKNOWN, 0x0, CB::PARAMETER_NULL, -1, -1, 0 };

  1679. 

  1680.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, &fallbackParameterData);

  1681. 

  1682.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1683.     {

  1684.         if (parameterId < plugin->getParameterCount())

  1685.             return &plugin->getParameterData(parameterId);

  1686. 

  1687.         carla_stderr2("carla_get_parameter_data(%i, %i) - parameterId out of bounds", pluginId, parameterId);

  1688.         return &fallbackParameterData;

  1689.     }

  1690. 

  1691.     carla_stderr2("carla_get_parameter_data(%i, %i) - could not find plugin", pluginId, parameterId);

  1692.     return &fallbackParameterData;

  1693. }

  1694. 

  1695. const ParameterRanges* carla_get_parameter_ranges(uint pluginId, uint32_t parameterId)

  1696. {

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

  1698. 

  1699.     static const ParameterRanges fallbackParamRanges = { 0.0f, 0.0f, 1.0f, 0.01f, 0.0001f, 0.1f };

  1700. 

  1701.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, &fallbackParamRanges);

  1702. 

  1703.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1704.     {

  1705.         if (parameterId < plugin->getParameterCount())

  1706.             return &plugin->getParameterRanges(parameterId);

  1707. 

  1708.         carla_stderr2("carla_get_parameter_ranges(%i, %i) - parameterId out of bounds", pluginId, parameterId);

  1709.         return &fallbackParamRanges;

  1710.     }

  1711. 

  1712.     carla_stderr2("carla_get_parameter_ranges(%i, %i) - could not find plugin", pluginId, parameterId);

  1713.     return &fallbackParamRanges;

  1714. }

  1715. 

  1716. const MidiProgramData* carla_get_midi_program_data(uint pluginId, uint32_t midiProgramId)

  1717. {

  1718.     carla_debug("carla_get_midi_program_data(%i, %i)", pluginId, midiProgramId);

  1719. 

  1720.     static MidiProgramData midiProgData;

  1721. 

  1722.     // reset

  1723.     midiProgData.bank    = 0;

  1724.     midiProgData.program = 0;

  1725.     midiProgData.name    = gNullCharPtr;

  1726. 

  1727.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, &midiProgData);

  1728. 

  1729.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1730.     {

  1731.         if (midiProgramId < plugin->getMidiProgramCount())

  1732.         {

  1733.             const MidiProgramData& ret(plugin->getMidiProgramData(midiProgramId));

  1734.             carla_copyStruct<MidiProgramData>(midiProgData, ret);

  1735.             checkStringPtr(midiProgData.name);

  1736.             return &midiProgData;

  1737.         }

  1738. 

  1739.         carla_stderr2("carla_get_midi_program_data(%i, %i) - midiProgramId out of bounds", pluginId, midiProgramId);

  1740.         return &midiProgData;

  1741.     }

  1742. 

  1743.     carla_stderr2("carla_get_midi_program_data(%i, %i) - could not find plugin", pluginId, midiProgramId);

  1744.     return &midiProgData;

  1745. }

  1746. 

  1747. const CustomData* carla_get_custom_data(uint pluginId, uint32_t customDataId)

  1748. {

  1749.     carla_debug("carla_get_custom_data(%i, %i)", pluginId, customDataId);

  1750. 

  1751.     static CustomData customData;

  1752. 

  1753.     // reset

  1754.     customData.type  = gNullCharPtr;

  1755.     customData.key   = gNullCharPtr;

  1756.     customData.value = gNullCharPtr;

  1757. 

  1758.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, &customData);

  1759. 

  1760.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1761.     {

  1762.         if (customDataId < plugin->getCustomDataCount())

  1763.         {

  1764.             const CustomData& ret(plugin->getCustomData(customDataId));

  1765.             carla_copyStruct<CustomData>(customData, ret);

  1766.             checkStringPtr(customData.type);

  1767.             checkStringPtr(customData.key);

  1768.             checkStringPtr(customData.value);

  1769.             return &customData;

  1770.         }

  1771. 

  1772.         carla_stderr2("carla_get_custom_data(%i, %i) - customDataId out of bounds", pluginId, customDataId);

  1773.         return &customData;

  1774.     }

  1775. 

  1776.     carla_stderr2("carla_get_custom_data(%i, %i) - could not find plugin", pluginId, customDataId);

  1777.     return &customData;

  1778. }

  1779. 

  1780. const char* carla_get_chunk_data(uint pluginId)

  1781. {

  1782.     carla_debug("carla_get_chunk_data(%i)", pluginId);

  1783. 

  1784.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, nullptr);

  1785. 

  1786.     static CarlaString chunkData;

  1787. 

  1788.     // cleanup

  1789.     chunkData.clear();

  1790. 

  1791.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1792.     {

  1793.         if (plugin->getOptionsEnabled() & CB::PLUGIN_OPTION_USE_CHUNKS)

  1794.         {

  1795.             void* data = nullptr;

  1796.             const int32_t dataSize(plugin->getChunkData(&data));

  1797. 

  1798.             if (data != nullptr && dataSize > 0)

  1799.             {

  1800.                 chunkData = CarlaString::asBase64(data, static_cast<std::size_t>(dataSize));

  1801. 

  1802.                 return chunkData;

  1803.             }

  1804.             else

  1805.                 carla_stderr2("carla_get_chunk_data(%i) - got invalid chunk data", pluginId);

  1806.         }

  1807.         else

  1808.             carla_stderr2("carla_get_chunk_data(%i) - plugin does not use chunks", pluginId);

  1809. 

  1810.         return nullptr;

  1811.     }

  1812. 

  1813.     carla_stderr2("carla_get_chunk_data(%i) - could not find plugin", pluginId);

  1814.     return nullptr;

  1815. }

  1816. 

  1817. // -------------------------------------------------------------------------------------------------------------------

  1818. 

  1819. uint32_t carla_get_parameter_count(uint pluginId)

  1820. {

  1821.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, 0);

  1822.     carla_debug("carla_get_parameter_count(%i)", pluginId);

  1823. 

  1824.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1825.         return plugin->getParameterCount();

  1826. 

  1827.     carla_stderr2("carla_get_parameter_count(%i) - could not find plugin", pluginId);

  1828.     return 0;

  1829. }

  1830. 

  1831. uint32_t carla_get_program_count(uint pluginId)

  1832. {

  1833.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, 0);

  1834.     carla_debug("carla_get_program_count(%i)", pluginId);

  1835. 

  1836.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1837.         return plugin->getProgramCount();

  1838. 

  1839.     carla_stderr2("carla_get_program_count(%i) - could not find plugin", pluginId);

  1840.     return 0;

  1841. }

  1842. 

  1843. uint32_t carla_get_midi_program_count(uint pluginId)

  1844. {

  1845.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, 0);

  1846.     carla_debug("carla_get_midi_program_count(%i)", pluginId);

  1847. 

  1848.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1849.         return plugin->getMidiProgramCount();

  1850. 

  1851.     carla_stderr2("carla_get_midi_program_count(%i) - could not find plugin", pluginId);

  1852.     return 0;

  1853. }

  1854. 

  1855. uint32_t carla_get_custom_data_count(uint pluginId)

  1856. {

  1857.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, 0);

  1858.     carla_debug("carla_get_custom_data_count(%i)", pluginId);

  1859. 

  1860.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1861.         return plugin->getCustomDataCount();

  1862. 

  1863.     carla_stderr2("carla_get_custom_data_count(%i) - could not find plugin", pluginId);

  1864.     return 0;

  1865. }

  1866. 

  1867. // -------------------------------------------------------------------------------------------------------------------

  1868. 

  1869. const char* carla_get_parameter_text(uint pluginId, uint32_t parameterId)

  1870. {

  1871.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, nullptr);

  1872.     carla_debug("carla_get_parameter_text(%i, %i)", pluginId, parameterId);

  1873. 

  1874.     static char textBuf[STR_MAX+1];

  1875. 

  1876.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1877.     {

  1878.         if (parameterId < plugin->getParameterCount())

  1879.         {

  1880.             carla_zeroChar(textBuf, STR_MAX+1);

  1881.             plugin->getParameterText(parameterId, textBuf);

  1882.             return textBuf;

  1883.         }

  1884. 

  1885.         carla_stderr2("carla_get_parameter_text(%i, %i) - parameterId out of bounds", pluginId, parameterId);

  1886.         return nullptr;

  1887.     }

  1888. 

  1889.     carla_stderr2("carla_get_parameter_text(%i, %i) - could not find plugin", pluginId, parameterId);

  1890.     return nullptr;

  1891. }

  1892. 

  1893. const char* carla_get_program_name(uint pluginId, uint32_t programId)

  1894. {

  1895.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, nullptr);

  1896.     carla_debug("carla_get_program_name(%i, %i)", pluginId, programId);

  1897. 

  1898.     static char programName[STR_MAX+1];

  1899. 

  1900.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1901.     {

  1902.         if (programId < plugin->getProgramCount())

  1903.         {

  1904.             carla_zeroChar(programName, STR_MAX+1);

  1905.             plugin->getProgramName(programId, programName);

  1906.             return programName;

  1907.         }

  1908. 

  1909.         carla_stderr2("carla_get_program_name(%i, %i) - programId out of bounds", pluginId, programId);

  1910.         return nullptr;

  1911.     }

  1912. 

  1913.     carla_stderr2("carla_get_program_name(%i, %i) - could not find plugin", pluginId, programId);

  1914.     return nullptr;

  1915. }

  1916. 

  1917. const char* carla_get_midi_program_name(uint pluginId, uint32_t midiProgramId)

  1918. {

  1919.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, nullptr);

  1920.     carla_debug("carla_get_midi_program_name(%i, %i)", pluginId, midiProgramId);

  1921. 

  1922.     static char midiProgramName[STR_MAX+1];

  1923. 

  1924.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1925.     {

  1926.         if (midiProgramId < plugin->getMidiProgramCount())

  1927.         {

  1928.             carla_zeroChar(midiProgramName, STR_MAX+1);

  1929.             plugin->getMidiProgramName(midiProgramId, midiProgramName);

  1930.             return midiProgramName;

  1931.         }

  1932. 

  1933.         carla_stderr2("carla_get_midi_program_name(%i, %i) - midiProgramId out of bounds", pluginId, midiProgramId);

  1934.         return nullptr;

  1935.     }

  1936. 

  1937.     carla_stderr2("carla_get_midi_program_name(%i, %i) - could not find plugin", pluginId, midiProgramId);

  1938.     return nullptr;

  1939. }

  1940. 

  1941. const char* carla_get_real_plugin_name(uint pluginId)

  1942. {

  1943.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, nullptr);

  1944.     carla_debug("carla_get_real_plugin_name(%i)", pluginId);

  1945. 

  1946.     static char realPluginName[STR_MAX+1];

  1947. 

  1948.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1949.     {

  1950.         carla_zeroChar(realPluginName, STR_MAX+1);

  1951.         plugin->getRealName(realPluginName);

  1952.         return realPluginName;

  1953.     }

  1954. 

  1955.     carla_stderr2("carla_get_real_plugin_name(%i) - could not find plugin", pluginId);

  1956.     return nullptr;

  1957. }

  1958. 

  1959. // -------------------------------------------------------------------------------------------------------------------

  1960. 

  1961. int32_t carla_get_current_program_index(uint pluginId)

  1962. {

  1963.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, -1);

  1964.     carla_debug("carla_get_current_program_index(%i)", pluginId);

  1965. 

  1966.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1967.         return plugin->getCurrentProgram();

  1968. 

  1969.     carla_stderr2("carla_get_current_program_index(%i) - could not find plugin", pluginId);

  1970.     return -1;

  1971. }

  1972. 

  1973. int32_t carla_get_current_midi_program_index(uint pluginId)

  1974. {

  1975.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, -1);

  1976.     carla_debug("carla_get_current_midi_program_index(%i)", pluginId);

  1977. 

  1978.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1979.         return plugin->getCurrentMidiProgram();

  1980. 

  1981.     carla_stderr2("carla_get_current_midi_program_index(%i) - could not find plugin", pluginId);

  1982.     return -1;

  1983. }

  1984. 

  1985. // -------------------------------------------------------------------------------------------------------------------

  1986. 

  1987. float carla_get_default_parameter_value(uint pluginId, uint32_t parameterId)

  1988. {

  1989.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, 0.0f);

  1990.     carla_debug("carla_get_default_parameter_value(%i, %i)", pluginId, parameterId);

  1991. 

  1992.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1993.     {

  1994.         if (parameterId < plugin->getParameterCount())

  1995.             return plugin->getParameterRanges(parameterId).def;

  1996. 

  1997.         carla_stderr2("carla_get_default_parameter_value(%i, %i) - parameterId out of bounds", pluginId, parameterId);

  1998.         return 0.0f;

  1999.     }

  2000. 

  2001.     carla_stderr2("carla_get_default_parameter_value(%i, %i) - could not find plugin", pluginId, parameterId);

  2002.     return 0.0f;

  2003. }

  2004. 

  2005. float carla_get_current_parameter_value(uint pluginId, uint32_t parameterId)

  2006. {

  2007.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, 0.0f);

  2008. 

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

  2010.     {

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

  2012.             return plugin->getParameterValue(parameterId);

  2013. 

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

  2015.         return 0.0f;

  2016.     }

  2017. 

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

  2019.     return 0.0f;

  2020. }

  2021. 

  2022. float carla_get_internal_parameter_value(uint pluginId, int32_t parameterId)

  2023. {

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

  2025.     CARLA_SAFE_ASSERT_RETURN(parameterId != CB::PARAMETER_NULL && parameterId > CB::PARAMETER_MAX, 0.0f);

  2026. 

  2027.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2028.         return plugin->getInternalParameterValue(parameterId);

  2029. 

  2030.     carla_stderr2("carla_get_internal_parameter_value(%i, %i) - could not find plugin", pluginId, parameterId);

  2031.     return 0.0f;

  2032. }

  2033. 

  2034. // -------------------------------------------------------------------------------------------------------------------

  2035. 

  2036. float carla_get_input_peak_value(uint pluginId, bool isLeft)

  2037. {

  2038.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, 0.0f);

  2039. 

  2040.     return gStandalone.engine->getInputPeak(pluginId, isLeft);

  2041. }

  2042. 

  2043. float carla_get_output_peak_value(uint pluginId, bool isLeft)

  2044. {

  2045.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, 0.0f);

  2046. 

  2047.     return gStandalone.engine->getOutputPeak(pluginId, isLeft);

  2048. }

  2049. 

  2050. // -------------------------------------------------------------------------------------------------------------------

  2051. 

  2052. void carla_set_option(uint pluginId, uint option, bool yesNo)

  2053. {

  2054.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  2055.     carla_debug("carla_set_option(%i, %i, %s)", pluginId, option, bool2str(yesNo));

  2056. 

  2057.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2058.         return plugin->setOption(option, yesNo, false);

  2059. 

  2060.     carla_stderr2("carla_set_option(%i, %i, %s) - could not find plugin", pluginId, option, bool2str(yesNo));

  2061. }

  2062. 

  2063. void carla_set_active(uint pluginId, bool onOff)

  2064. {

  2065.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  2066.     carla_debug("carla_set_active(%i, %s)", pluginId, bool2str(onOff));

  2067. 

  2068.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2069.         return plugin->setActive(onOff, true, false);

  2070. 

  2071.     carla_stderr2("carla_set_active(%i, %s) - could not find plugin", pluginId, bool2str(onOff));

  2072. }

  2073. 

  2074. #ifndef BUILD_BRIDGE

  2075. void carla_set_drywet(uint pluginId, float value)

  2076. {

  2077.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  2078.     carla_debug("carla_set_drywet(%i, %f)", pluginId, value);

  2079. 

  2080.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2081.         return plugin->setDryWet(value, true, false);

  2082. 

  2083.     carla_stderr2("carla_set_drywet(%i, %f) - could not find plugin", pluginId, value);

  2084. }

  2085. 

  2086. void carla_set_volume(uint pluginId, float value)

  2087. {

  2088.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  2089.     carla_debug("carla_set_volume(%i, %f)", pluginId, value);

  2090. 

  2091.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2092.         return plugin->setVolume(value, true, false);

  2093. 

  2094.     carla_stderr2("carla_set_volume(%i, %f) - could not find plugin", pluginId, value);

  2095. }

  2096. 

  2097. void carla_set_balance_left(uint pluginId, float value)

  2098. {

  2099.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  2100.     carla_debug("carla_set_balance_left(%i, %f)", pluginId, value);

  2101. 

  2102.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2103.         return plugin->setBalanceLeft(value, true, false);

  2104. 

  2105.     carla_stderr2("carla_set_balance_left(%i, %f) - could not find plugin", pluginId, value);

  2106. }

  2107. 

  2108. void carla_set_balance_right(uint pluginId, float value)

  2109. {

  2110.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  2111.     carla_debug("carla_set_balance_right(%i, %f)", pluginId, value);

  2112. 

  2113.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

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

  2115. 

  2116.     carla_stderr2("carla_set_balance_right(%i, %f) - could not find plugin", pluginId, value);

  2117. }

  2118. 

  2119. void carla_set_panning(uint pluginId, float value)

  2120. {

  2121.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  2122.     carla_debug("carla_set_panning(%i, %f)", pluginId, value);

  2123. 

  2124.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2125.         return plugin->setPanning(value, true, false);

  2126. 

  2127.     carla_stderr2("carla_set_panning(%i, %f) - could not find plugin", pluginId, value);

  2128. }

  2129. #endif

  2130. 

  2131. void carla_set_ctrl_channel(uint pluginId, int8_t channel)

  2132. {

  2133.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  2134.     CARLA_SAFE_ASSERT_RETURN(channel >= -1 && channel < MAX_MIDI_CHANNELS,);

  2135.     carla_debug("carla_set_ctrl_channel(%i, %i)", pluginId, channel);

  2136. 

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

  2138.         return plugin->setCtrlChannel(channel, true, false);

  2139. 

  2140.     carla_stderr2("carla_set_ctrl_channel(%i, %i) - could not find plugin", pluginId, channel);

  2141. }

  2142. 

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

  2144. 

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

  2146. {

  2147.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  2148.     carla_debug("carla_set_parameter_value(%i, %i, %f)", pluginId, parameterId, value);

  2149. 

  2150.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2151.     {

  2152.         if (parameterId < plugin->getParameterCount())

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

  2154. 

  2155.         carla_stderr2("carla_set_parameter_value(%i, %i, %f) - parameterId out of bounds", pluginId, parameterId, value);

  2156.         return;

  2157.     }

  2158. 

  2159.     carla_stderr2("carla_set_parameter_value(%i, %i, %f) - could not find plugin", pluginId, parameterId, value);

  2160. }

  2161. 

  2162. #ifndef BUILD_BRIDGE

  2163. void carla_set_parameter_midi_channel(uint pluginId, uint32_t parameterId, uint8_t channel)

  2164. {

  2165.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  2166.     CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2167.     carla_debug("carla_set_parameter_midi_channel(%i, %i, %i)", pluginId, parameterId, channel);

  2168. 

  2169.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2170.     {

  2171.         if (parameterId < plugin->getParameterCount())

  2172.             return plugin->setParameterMidiChannel(parameterId, channel, true, false);

  2173. 

  2174.         carla_stderr2("carla_set_parameter_midi_channel(%i, %i, %i) - parameterId out of bounds", pluginId, parameterId, channel);

  2175.         return;

  2176.     }

  2177. 

  2178.     carla_stderr2("carla_set_parameter_midi_channel(%i, %i, %i) - could not find plugin", pluginId, parameterId, channel);

  2179. }

  2180. 

  2181. void carla_set_parameter_midi_cc(uint pluginId, uint32_t parameterId, int16_t cc)

  2182. {

  2183.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  2184.     CARLA_SAFE_ASSERT_RETURN(cc >= -1 && cc <= 0x5F,);

  2185.     carla_debug("carla_set_parameter_midi_cc(%i, %i, %i)", pluginId, parameterId, cc);

  2186. 

  2187.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2188.     {

  2189.         if (parameterId < plugin->getParameterCount())

  2190.             return plugin->setParameterMidiCC(parameterId, cc, true, false);

  2191. 

  2192.         carla_stderr2("carla_set_parameter_midi_cc(%i, %i, %i) - parameterId out of bounds", pluginId, parameterId, cc);

  2193.         return;

  2194.     }

  2195. 

  2196.     carla_stderr2("carla_set_parameter_midi_cc(%i, %i, %i) - could not find plugin", pluginId, parameterId, cc);

  2197. }

  2198. #endif

  2199. 

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

  2201. 

  2202. void carla_set_program(uint pluginId, uint32_t programId)

  2203. {

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

  2205.     carla_debug("carla_set_program(%i, %i)", pluginId, programId);

  2206. 

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

  2208.     {

  2209.         if (programId < plugin->getProgramCount())

  2210.             return plugin->setProgram(static_cast<int32_t>(programId), true, true, false);

  2211. 

  2212.         carla_stderr2("carla_set_program(%i, %i) - programId out of bounds", pluginId, programId);

  2213.         return;

  2214.     }

  2215. 

  2216.     carla_stderr2("carla_set_program(%i, %i) - could not find plugin", pluginId, programId);

  2217. }

  2218. 

  2219. void carla_set_midi_program(uint pluginId, uint32_t midiProgramId)

  2220. {

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

  2222.     carla_debug("carla_set_midi_program(%i, %i)", pluginId, midiProgramId);

  2223. 

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

  2225.     {

  2226.         if (midiProgramId < plugin->getMidiProgramCount())

  2227.             return plugin->setMidiProgram(static_cast<int32_t>(midiProgramId), true, true, false);

  2228. 

  2229.         carla_stderr2("carla_set_midi_program(%i, %i) - midiProgramId out of bounds", pluginId, midiProgramId);

  2230.         return;

  2231.     }

  2232. 

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

  2234. }

  2235. 

  2236. // -------------------------------------------------------------------------------------------------------------------

  2237. 

  2238. void carla_set_custom_data(uint pluginId, const char* type, const char* key, const char* value)

  2239. {

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

  2241.     CARLA_SAFE_ASSERT_RETURN(type != nullptr && type[0] != '\0',);

  2242.     CARLA_SAFE_ASSERT_RETURN(key != nullptr && key[0] != '\0',);

  2243.     CARLA_SAFE_ASSERT_RETURN(value != nullptr,);

  2244.     carla_debug("carla_set_custom_data(%i, \"%s\", \"%s\", \"%s\")", pluginId, type, key, value);

  2245. 

  2246.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2247.         return plugin->setCustomData(type, key, value, true);

  2248. 

  2249.     carla_stderr2("carla_set_custom_data(%i, \"%s\", \"%s\", \"%s\") - could not find plugin", pluginId, type, key, value);

  2250. }

  2251. 

  2252. void carla_set_chunk_data(uint pluginId, const char* chunkData)

  2253. {

  2254.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  2255.     CARLA_SAFE_ASSERT_RETURN(chunkData != nullptr && chunkData[0] != '\0',);

  2256.     carla_debug("carla_set_chunk_data(%i, \"%s\")", pluginId, chunkData);

  2257. 

  2258.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2259.     {

  2260.         if (plugin->getOptionsEnabled() & CB::PLUGIN_OPTION_USE_CHUNKS)

  2261.             return plugin->setChunkData(chunkData);

  2262. 

  2263.         carla_stderr2("carla_set_chunk_data(%i, \"%s\") - plugin does not use chunks", pluginId, chunkData);

  2264.         return;

  2265.     }

  2266. 

  2267.     carla_stderr2("carla_set_chunk_data(%i, \"%s\") - could not find plugin", pluginId, chunkData);

  2268. }

  2269. 

  2270. // -------------------------------------------------------------------------------------------------------------------

  2271. 

  2272. void carla_prepare_for_save(uint pluginId)

  2273. {

  2274.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  2275.     carla_debug("carla_prepare_for_save(%i)", pluginId);

  2276. 

  2277.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2278.         return plugin->prepareForSave();

  2279. 

  2280.     carla_stderr2("carla_prepare_for_save(%i) - could not find plugin", pluginId);

  2281. }

  2282. 

  2283. void carla_reset_parameters(uint pluginId)

  2284. {

  2285.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  2286.     carla_debug("carla_reset_parameters(%i)", pluginId);

  2287. 

  2288.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2289.         return plugin->resetParameters();

  2290. 

  2291.     carla_stderr2("carla_reset_parameters(%i) - could not find plugin", pluginId);

  2292. }

  2293. 

  2294. void carla_randomize_parameters(uint pluginId)

  2295. {

  2296.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  2297.     carla_debug("carla_randomize_parameters(%i)", pluginId);

  2298. 

  2299.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2300.         return plugin->randomizeParameters();

  2301. 

  2302.     carla_stderr2("carla_randomize_parameters(%i) - could not find plugin", pluginId);

  2303. }

  2304. 

  2305. #ifndef BUILD_BRIDGE

  2306. void carla_send_midi_note(uint pluginId, uint8_t channel, uint8_t note, uint8_t velocity)

  2307. {

  2308.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr && gStandalone.engine->isRunning(),);

  2309.     carla_debug("carla_send_midi_note(%i, %i, %i, %i)", pluginId, channel, note, velocity);

  2310. 

  2311.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2312.         return plugin->sendMidiSingleNote(channel, note, velocity, true, true, false);

  2313. 

  2314.     carla_stderr2("carla_send_midi_note(%i, %i, %i, %i) - could not find plugin", pluginId, channel, note, velocity);

  2315. }

  2316. #endif

  2317. 

  2318. void carla_show_custom_ui(uint pluginId, bool yesNo)

  2319. {

  2320.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  2321.     carla_debug("carla_show_custom_ui(%i, %s)", pluginId, bool2str(yesNo));

  2322. 

  2323.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2324.         return plugin->showCustomUI(yesNo);

  2325. 

  2326.     carla_stderr2("carla_show_custom_ui(%i, %s) - could not find plugin", pluginId, bool2str(yesNo));

  2327. }

  2328. 

  2329. // -------------------------------------------------------------------------------------------------------------------

  2330. 

  2331. uint32_t carla_get_buffer_size()

  2332. {

  2333.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, 0);

  2334.     carla_debug("carla_get_buffer_size()");

  2335. 

  2336.     return gStandalone.engine->getBufferSize();

  2337. }

  2338. 

  2339. double carla_get_sample_rate()

  2340. {

  2341.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, 0.0);

  2342.     carla_debug("carla_get_sample_rate()");

  2343. 

  2344.     return gStandalone.engine->getSampleRate();

  2345. }

  2346. 

  2347. // -------------------------------------------------------------------------------------------------------------------

  2348. 

  2349. const char* carla_get_last_error()

  2350. {

  2351.     carla_debug("carla_get_last_error()");

  2352. 

  2353.     if (gStandalone.engine != nullptr)

  2354.         return gStandalone.engine->getLastError();

  2355. 

  2356.     return gStandalone.lastError;

  2357. }

  2358. 

  2359. const char* carla_get_host_osc_url_tcp()

  2360. {

  2361.     carla_debug("carla_get_host_osc_url_tcp()");

  2362. 

  2363.     if (gStandalone.engine == nullptr)

  2364.     {

  2365.         carla_stderr2("Engine is not running");

  2366.         gStandalone.lastError = "Engine is not running";

  2367.         return nullptr;

  2368.     }

  2369. 

  2370.     return gStandalone.engine->getOscServerPathTCP();

  2371. }

  2372. 

  2373. const char* carla_get_host_osc_url_udp()

  2374. {

  2375.     carla_debug("carla_get_host_osc_url_udp()");

  2376. 

  2377.     if (gStandalone.engine == nullptr)

  2378.     {

  2379.         carla_stderr2("Engine is not running");

  2380.         gStandalone.lastError = "Engine is not running";

  2381.         return nullptr;

  2382.     }

  2383. 

  2384.     return gStandalone.engine->getOscServerPathUDP();

  2385. }

  2386. 

  2387. // -------------------------------------------------------------------------------------------------------------------

  2388. 

  2389. #ifdef WANT_DSSI

  2390. # include "CarlaDssiUtils.cpp"

  2391. #endif

  2392. 

  2393. #include "CarlaStateUtils.cpp"

  2394. 

  2395. #if 0

  2396. int main(int argc, char* argv[])

  2397. {

  2398.     return 0;

  2399. }

  2400. #endif

  2401. 

  2402. // -------------------------------------------------------------------------------------------------------------------