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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. #include <QtCore/QByteArray>

  33. 

  34. #ifdef BUILD_BRIDGE

  35. # undef HAVE_JUCE_UI

  36. #endif

  37. 

  38. #ifdef HAVE_JUCE_UI

  39. # include "juce_gui_basics.h"

  40. using juce::initialiseJuce_GUI;

  41. using juce::shutdownJuce_GUI;

  42. using juce::MessageManager;

  43. using juce::Thread;

  44. #endif

  45. 

  46. namespace CB = CarlaBackend;

  47. using CB::EngineOptions;

  48. 

  49. // -------------------------------------------------------------------------------------------------------------------

  50. // Juce Message Thread

  51. 

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

  53. 

  54. class JuceMessageThread : public Thread

  55. {

  56. public:

  57.     JuceMessageThread()

  58.       : Thread("JuceMessageThread"),

  59.         fInitialised(false)

  60.     {

  61.     }

  62. 

  63.     ~JuceMessageThread() override

  64.     {

  65.         stop();

  66.     }

  67. 

  68.     void start()

  69.     {

  70.         CARLA_SAFE_ASSERT_RETURN(! fInitialised,);

  71. 

  72.         fInitialised = false;

  73. 

  74.         startThread(7);

  75. 

  76.         while (! fInitialised)

  77.             sleep(1);

  78.     }

  79. 

  80.     void stop()

  81.     {

  82.         signalThreadShouldExit();

  83.         waitForThreadToExit(5000);

  84.     }

  85. 

  86. protected:

  87.     void run() override

  88.     {

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

  90.         CARLA_SAFE_ASSERT_RETURN(msgMgr != nullptr,);

  91. 

  92.         msgMgr->setCurrentThreadAsMessageThread();

  93.         fInitialised = true;

  94. 

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

  96.         {}

  97. 

  98.         fInitialised = false;

  99.     }

  100. 

  101. private:

  102.     volatile bool fInitialised;

  103. 

  104.     CARLA_DECLARE_NON_COPY_CLASS(JuceMessageThread)

  105. };

  106. 

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

  108. 

  109. // -------------------------------------------------------------------------------------------------------------------

  110. // Single, standalone engine

  111. 

  112. struct CarlaBackendStandalone {

  113.     CarlaEngine*       engine;

  114.     EngineCallbackFunc engineCallback;

  115.     void*              engineCallbackPtr;

  116.     EngineOptions      engineOptions;

  117. 

  118.     FileCallbackFunc fileCallback;

  119.     void*            fileCallbackPtr;

  120. 

  121.     CarlaString lastError;

  122. 

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

  124.     JuceMessageThread juceMsgThread;

  125. #endif

  126. 

  127.     CarlaBackendStandalone()

  128.         : engine(nullptr),

  129.           engineCallback(nullptr),

  130.           engineCallbackPtr(nullptr),

  131.           fileCallback(nullptr),

  132.           fileCallbackPtr(nullptr)

  133.     {

  134. #ifdef BUILD_BRIDGE

  135.         engineOptions.processMode         = CB::ENGINE_PROCESS_MODE_BRIDGE;

  136.         engineOptions.transportMode       = CB::ENGINE_TRANSPORT_MODE_BRIDGE;

  137.         engineOptions.forceStereo         = false;

  138.         engineOptions.preferPluginBridges = false;

  139.         engineOptions.preferUiBridges     = false;

  140. #else

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

  142.             return;

  143. 

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

  145. #endif

  146.     }

  147. 

  148.     ~CarlaBackendStandalone()

  149.     {

  150.         CARLA_SAFE_ASSERT(engine == nullptr);

  151. #ifdef HAVE_JUCE_UI

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

  153. #endif

  154.     }

  155. 

  156. #ifdef HAVE_JUCE_UI

  157.     void init()

  158.     {

  159.         JUCE_AUTORELEASEPOOL

  160.         {

  161.             initialiseJuce_GUI();

  162. # ifdef CARLA_OS_LINUX

  163.             juceMsgThread.start();

  164. # else

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

  166.                 msgMgr->setCurrentThreadAsMessageThread();

  167. # endif

  168.         }

  169.     }

  170. 

  171.     void close()

  172.     {

  173.         JUCE_AUTORELEASEPOOL

  174.         {

  175. # ifdef CARLA_OS_LINUX

  176.             juceMsgThread.stop();

  177. # else

  178.             MessageManager::deleteInstance();

  179. # endif

  180.             shutdownJuce_GUI();

  181.         }

  182.     }

  183. 

  184. # ifndef CARLA_OS_LINUX

  185.     void idle()

  186.     {

  187.         JUCE_AUTORELEASEPOOL

  188.         {

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

  190.                 msgMgr->runDispatchLoopUntil(5);

  191.         }

  192.     }

  193. # endif

  194. #endif

  195. 

  196.     CARLA_PREVENT_HEAP_ALLOCATION

  197.     CARLA_DECLARE_NON_COPY_STRUCT(CarlaBackendStandalone)

  198. };

  199. 

  200. static CarlaBackendStandalone gStandalone;

  201. 

  202. // -------------------------------------------------------------------------------------------------------------------

  203. // NSM support

  204. 

  205. #define NSM_API_VERSION_MAJOR 1

  206. #define NSM_API_VERSION_MINOR 2

  207. 

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

  209. #define NSM_CLIENT_FEATURES ":switch:"

  210. 

  211. class CarlaNSM

  212. {

  213. public:

  214.     CarlaNSM() noexcept

  215.         : fOscServer(nullptr),

  216.           fHasBroadcast(false),

  217.           fHasShowHideUI(false) {}

  218. 

  219.     ~CarlaNSM()

  220.     {

  221.         if (fOscServer != nullptr)

  222.         {

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

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

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

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

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

  228.             lo_server_free(fOscServer);

  229.             fOscServer = nullptr;

  230.         }

  231.     }

  232. 

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

  234.     {

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

  236. 

  237.         if (NSM_URL == nullptr)

  238.             return;

  239. 

  240.         const lo_address addr = lo_address_new_from_url(NSM_URL);

  241. 

  242.         if (addr == nullptr)

  243.             return;

  244. 

  245.         const int proto = lo_address_get_protocol(addr);

  246. 

  247.         if (fOscServer == nullptr)

  248.         {

  249.             // create new OSC server

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

  251. 

  252.             // register message handlers and start OSC thread

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

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

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

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

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

  258.             // /nsm/client/session_is_loaded

  259.         }

  260. 

  261. #ifndef BUILD_ANSI_TEST

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

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

  264. #endif

  265. 

  266.         lo_address_free(addr);

  267.     }

  268. 

  269.     void idle() noexcept

  270.     {

  271.         if (fOscServer == nullptr)

  272.             return;

  273. 

  274.         for (;;)

  275.         {

  276.             try {

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

  278.                     break;

  279.             }

  280.             CARLA_SAFE_EXCEPTION_CONTINUE("NSM OSC idle")

  281.         }

  282.     }

  283. 

  284. protected:

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

  286.     {

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

  288. 

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

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

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

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

  293. 

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

  295. 

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

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

  298. 

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

  300. 

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

  302. 

  303.         return 0;

  304. 

  305. #ifndef DEBUG

  306.         // unused

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

  308. #endif

  309.     }

  310. 

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

  312.     {

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

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

  315. 

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

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

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

  319. 

  320.         if (! carla_is_engine_running())

  321.         {

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

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

  324. 

  325.             carla_engine_init("JACK", clientId);

  326.         }

  327.         else

  328.         {

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

  330. 

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

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

  333.         }

  334. 

  335.         fClientId = clientId;

  336. 

  337.         fProjectPath  = projectPath;

  338.         fProjectPath += ".carxp";

  339. 

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

  341. 

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

  343. 

  344. #ifndef BUILD_ANSI_TEST

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

  346. #endif

  347. 

  348. #if 0

  349.         if (fHasBroadcast)

  350.         {

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

  352. 

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

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

  355. 

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

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

  358. 

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

  360. 

  361.             std::free(url);

  362. 

  363.             carla_stdout("Broadcast sent!");

  364.         }

  365.         else

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

  367. #endif

  368. 

  369.         return 0;

  370. 

  371. #ifndef DEBUG

  372.         // unused

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

  374. #endif

  375.     }

  376. 

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

  378.     {

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

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

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

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

  383. 

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

  385. 

  386. #ifndef BUILD_ANSI_TEST

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

  388. #endif

  389. 

  390.         return 0;

  391. 

  392. #ifndef DEBUG

  393.         // unused

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

  395. #endif

  396.     }

  397. 

  398. #if 0

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

  400.     {

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

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

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

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

  405. 

  406. #ifndef BUILD_ANSI_TEST

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

  408. #endif

  409. 

  410.         return 0;

  411.     }

  412. #endif

  413. 

  414. private:

  415.     lo_server fOscServer;

  416. 

  417.     CarlaString fClientId;

  418.     CarlaString fProjectPath;

  419. 

  420.     bool fHasBroadcast;

  421.     bool fHasShowHideUI;

  422. 

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

  424. 

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

  426.     {

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

  428.     }

  429. 

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

  431.     {

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

  433.     }

  434. 

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

  436.     {

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

  438.     }

  439. 

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

  441.     {

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

  443.     }

  444. 

  445. #if 0

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

  447.     {

  448.         return handlePtr->handleShowHideGui(true);

  449.     }

  450. 

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

  452.     {

  453.         return handlePtr->handleShowHideGui(false);

  454.     }

  455. #endif

  456. 

  457.     #undef handlePtr

  458. 

  459.     CARLA_PREVENT_HEAP_ALLOCATION

  460.     CARLA_DECLARE_NON_COPY_CLASS(CarlaNSM)

  461. };

  462. 

  463. static CarlaNSM gNSM;

  464. 

  465. // -------------------------------------------------------------------------------------------------------------------

  466. // Always return a valid string ptr

  467. 

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

  469. 

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

  471. {

  472.     if (charPtr == nullptr)

  473.         charPtr = gNullCharPtr;

  474. }

  475. 

  476. // -------------------------------------------------------------------------------------------------------------------

  477. // Constructors

  478. 

  479. _CarlaPluginInfo::_CarlaPluginInfo() noexcept

  480.     : type(CB::PLUGIN_NONE),

  481.       category(CB::PLUGIN_CATEGORY_NONE),

  482.       hints(0x0),

  483.       optionsAvailable(0x0),

  484.       optionsEnabled(0x0),

  485.       filename(gNullCharPtr),

  486.       name(gNullCharPtr),

  487.       label(gNullCharPtr),

  488.       maker(gNullCharPtr),

  489.       copyright(gNullCharPtr),

  490.       iconName(gNullCharPtr),

  491.       uniqueId(0) {}

  492. 

  493. _CarlaPluginInfo::~_CarlaPluginInfo() noexcept

  494. {

  495.     if (label != gNullCharPtr)

  496.         delete[] label;

  497.     if (maker != gNullCharPtr)

  498.         delete[] maker;

  499.     if (copyright != gNullCharPtr)

  500.         delete[] copyright;

  501. }

  502. 

  503. _CarlaNativePluginInfo::_CarlaNativePluginInfo() noexcept

  504.     : category(CB::PLUGIN_CATEGORY_NONE),

  505.       hints(0x0),

  506.       audioIns(0),

  507.       audioOuts(0),

  508.       midiIns(0),

  509.       midiOuts(0),

  510.       parameterIns(0),

  511.       parameterOuts(0),

  512.       name(gNullCharPtr),

  513.       label(gNullCharPtr),

  514.       maker(gNullCharPtr),

  515.       copyright(gNullCharPtr) {}

  516. 

  517. _CarlaParameterInfo::_CarlaParameterInfo() noexcept

  518.     : name(gNullCharPtr),

  519.       symbol(gNullCharPtr),

  520.       unit(gNullCharPtr),

  521.       scalePointCount(0) {}

  522. 

  523. _CarlaParameterInfo::~_CarlaParameterInfo() noexcept

  524. {

  525.     if (name != gNullCharPtr)

  526.         delete[] name;

  527.     if (symbol != gNullCharPtr)

  528.         delete[] symbol;

  529.     if (unit != gNullCharPtr)

  530.         delete[] unit;

  531. }

  532. 

  533. _CarlaScalePointInfo::_CarlaScalePointInfo() noexcept

  534.     : value(0.0f),

  535.       label(gNullCharPtr) {}

  536. 

  537. _CarlaScalePointInfo::~_CarlaScalePointInfo() noexcept

  538. {

  539.     if (label != gNullCharPtr)

  540.         delete[] label;

  541. }

  542. 

  543. _CarlaTransportInfo::_CarlaTransportInfo() noexcept

  544.     : playing(false),

  545.       frame(0),

  546.       bar(0),

  547.       beat(0),

  548.       tick(0),

  549.       bpm(0.0) {}

  550. 

  551. // -------------------------------------------------------------------------------------------------------------------

  552. // API

  553. 

  554. const char* carla_get_complete_license_text()

  555. {

  556.     carla_debug("carla_get_complete_license_text()");

  557. 

  558.     static CarlaString retText;

  559. 

  560.     if (retText.isEmpty())

  561.     {

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

  563. 

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

  565.         text1 += "<ul>";

  566. 

  567.         // Plugin formats

  568. #ifdef WANT_LADSPA

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

  570. #endif

  571. #ifdef WANT_DSSI

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

  573. #endif

  574. #ifdef WANT_LV2

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

  576. #endif

  577. #ifdef WANT_VST

  578. # ifdef VESTIGE_HEADER

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

  580. # else

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

  582. # endif

  583. #endif

  584. #ifdef WANT_AU

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

  586. #endif

  587. 

  588.         // Sample kit libraries

  589. #ifdef WANT_FLUIDSYNTH

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

  591. #endif

  592. #ifdef WANT_LINUXSAMPLER

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

  594. #endif

  595. 

  596. #ifdef WANT_NATIVE

  597.         // Internal plugins

  598. # ifdef HAVE_OPENGL

  599.         text3 += "<li>DISTRHO Mini-Series plugin code, based on LOSER-dev suite by Michael Gruhn</li>";

  600. # endif

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

  602.         //text1 += "<li>SunVox library file support, http://www.warmplace.ru/soft/sunvox/</li>"; // unfinished

  603. # ifdef WANT_AUDIOFILE

  604.         text3 += "<li>AudioDecoder library for Audio file support, by Robin Gareus</li>";

  605. # endif

  606. # ifdef WANT_MIDIFILE

  607.         text3 += "<li>LibSMF library for MIDI file support, http://libsmf.sourceforge.net/</li>";

  608. # endif

  609. # ifdef WANT_ZYNADDSUBFX

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

  611. #  ifdef WANT_ZYNADDSUBFX_UI

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

  613. #  endif

  614. # endif

  615. #endif

  616. 

  617.         // misc libs

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

  619. #ifdef WANT_LV2

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

  621. #endif

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

  623. 

  624.         // end

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

  626. 

  627.         // code snippets

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

  629.         text5 += "<ul>";

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

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

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

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

  634. 

  635. #ifdef WANT_LINUXSAMPLER

  636.         // LinuxSampler GPL exception

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

  638. #endif

  639. 

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

  641.     }

  642. 

  643.     return retText;

  644. }

  645. 

  646. const char* carla_get_supported_file_extensions()

  647. {

  648.     carla_debug("carla_get_supported_file_extensions()");

  649. 

  650.     static CarlaString retText;

  651. 

  652.     if (retText.isEmpty())

  653.     {

  654.         // Base types

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

  656. 

  657.         // Sample kits

  658. #ifdef WANT_FLUIDSYNTH

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

  660. #endif

  661. #ifdef WANT_LINUXSAMPLER

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

  663. #endif

  664. 

  665.         // Files provided by internal plugins

  666. #ifdef WANT_AUDIOFILE

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

  668. # ifdef HAVE_FFMPEG

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

  670. # endif

  671. #endif

  672. #ifdef WANT_MIDIFILE

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

  674. #endif

  675. 

  676.         // Plugin presets

  677. #ifdef WANT_ZYNADDSUBFX

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

  679. #endif

  680.     }

  681. 

  682.     return retText;

  683. }

  684. 

  685. // -------------------------------------------------------------------------------------------------------------------

  686. 

  687. unsigned int carla_get_engine_driver_count()

  688. {

  689.     carla_debug("carla_get_engine_driver_count()");

  690. 

  691.     return CarlaEngine::getDriverCount();

  692. }

  693. 

  694. const char* carla_get_engine_driver_name(unsigned int index)

  695. {

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

  697. 

  698.     return CarlaEngine::getDriverName(index);

  699. }

  700. 

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

  702. {

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

  704. 

  705.     return CarlaEngine::getDriverDeviceNames(index);

  706. }

  707. 

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

  709. {

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

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

  712. 

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

  714.     {

  715.         static EngineDriverDeviceInfo devInfo;

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

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

  718. 

  719.         devInfo.hints       = ret->hints;

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

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

  722.         return &devInfo;

  723.     }

  724. 

  725.     return nullptr;

  726. }

  727. 

  728. // -------------------------------------------------------------------------------------------------------------------

  729. 

  730. unsigned int carla_get_internal_plugin_count()

  731. {

  732.     carla_debug("carla_get_internal_plugin_count()");

  733. 

  734. #ifdef WANT_NATIVE

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

  736. #else

  737.     return 0;

  738. #endif

  739. }

  740. 

  741. const CarlaNativePluginInfo* carla_get_internal_plugin_info(unsigned int index)

  742. {

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

  744. 

  745. #ifdef WANT_NATIVE

  746.     static CarlaNativePluginInfo info;

  747. 

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

  749. 

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

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

  752. 

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

  754.      info.hints    = 0x0;

  755. 

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

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

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

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

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

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

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

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

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

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

  766. 

  767.      info.audioIns  = nativePlugin->audioIns;

  768.      info.audioOuts = nativePlugin->audioOuts;

  769.      info.midiIns   = nativePlugin->midiIns;

  770.      info.midiOuts  = nativePlugin->midiOuts;

  771.      info.parameterIns  = nativePlugin->paramIns;

  772.      info.parameterOuts = nativePlugin->paramOuts;

  773. 

  774.      info.name      = nativePlugin->name;

  775.      info.label     = nativePlugin->label;

  776.      info.maker     = nativePlugin->maker;

  777.      info.copyright = nativePlugin->copyright;

  778. 

  779.      checkStringPtr(info.name);

  780.      checkStringPtr(info.label);

  781.      checkStringPtr(info.maker);

  782.      checkStringPtr(info.copyright);

  783. 

  784.     return &info;

  785. #else

  786.     return nullptr;

  787. 

  788.     // unused

  789.     (void)index;

  790. #endif

  791. }

  792. 

  793. // -------------------------------------------------------------------------------------------------------------------

  794. 

  795. const CarlaEngine* carla_get_engine()

  796. {

  797.     carla_debug("carla_get_engine()");

  798. 

  799.     return gStandalone.engine;

  800. }

  801. 

  802. // -------------------------------------------------------------------------------------------------------------------

  803. 

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

  805. {

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

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

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

  809. 

  810.     if (gStandalone.engine != nullptr)

  811.     {

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

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

  814.         return false;

  815.     }

  816. 

  817. #ifdef CARLA_OS_WIN

  818.     carla_setenv("WINEASIO_CLIENT_NAME", clientName);

  819. #endif

  820. 

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

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

  823.     {

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

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

  826.     }

  827. 

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

  829. 

  830.     if (gStandalone.engine == nullptr)

  831.     {

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

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

  834.         return false;

  835.     }

  836. 

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

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

  839. 

  840. #ifdef BUILD_BRIDGE

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

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

  843. #else

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

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

  846. #endif

  847. 

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

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

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

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

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

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

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

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

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

  857. 

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

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

  860. 

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

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

  863. 

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

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

  866. 

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

  868.     {

  869.         char strBuf[STR_MAX+1];

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

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

  872.     }

  873.     else

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

  875. 

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

  877.     {

  878.         gStandalone.lastError = "No error";

  879. #ifdef HAVE_JUCE_UI

  880.         gStandalone.init();

  881. #endif

  882.         return true;

  883.     }

  884.     else

  885.     {

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

  887.         delete gStandalone.engine;

  888.         gStandalone.engine = nullptr;

  889.         return false;

  890.     }

  891. }

  892. 

  893. #ifdef BUILD_BRIDGE

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

  895. {

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

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

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

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

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

  901. 

  902.     if (gStandalone.engine != nullptr)

  903.     {

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

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

  906.         return false;

  907.     }

  908. 

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

  910. 

  911.     if (gStandalone.engine == nullptr)

  912.     {

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

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

  915.         return false;

  916.     }

  917. 

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

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

  920. 

  921.     // forced options for bridge mode

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

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

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

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

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

  927. 

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

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

  930. 

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

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

  933. 

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

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

  936. 

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

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

  939. 

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

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

  942. 

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

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

  945. 

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

  947.     {

  948.         gStandalone.lastError = "No error";

  949. #ifdef HAVE_JUCE_UI

  950.         gStandalone.init();

  951. #endif

  952.         return true;

  953.     }

  954.     else

  955.     {

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

  957.         delete gStandalone.engine;

  958.         gStandalone.engine = nullptr;

  959.         return false;

  960.     }

  961. }

  962. #endif

  963. 

  964. bool carla_engine_close()

  965. {

  966.     carla_debug("carla_engine_close()");

  967. 

  968.     if (gStandalone.engine == nullptr)

  969.     {

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

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

  972.         return false;

  973.     }

  974. 

  975.     gStandalone.engine->setAboutToClose();

  976.     gStandalone.engine->removeAllPlugins();

  977. 

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

  979. 

  980.     if (! closed)

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

  982. 

  983. #ifdef HAVE_JUCE_UI

  984.     gStandalone.close();

  985. #endif

  986. 

  987.     delete gStandalone.engine;

  988.     gStandalone.engine = nullptr;

  989. 

  990.     return closed;

  991. }

  992. 

  993. void carla_engine_idle()

  994. {

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

  996. 

  997.     gNSM.idle();

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

  999.     gStandalone.idle();

  1000. #endif

  1001.     gStandalone.engine->idle();

  1002. }

  1003. 

  1004. bool carla_is_engine_running()

  1005. {

  1006.     return (gStandalone.engine != nullptr && gStandalone.engine->isRunning());

  1007. }

  1008. 

  1009. void carla_set_engine_about_to_close()

  1010. {

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

  1012.     carla_debug("carla_set_engine_about_to_close()");

  1013. 

  1014.     gStandalone.engine->setAboutToClose();

  1015. }

  1016. 

  1017. void carla_set_engine_callback(EngineCallbackFunc func, void* ptr)

  1018. {

  1019.     carla_debug("carla_set_engine_callback(%p, %p)", func, ptr);

  1020. 

  1021.     gStandalone.engineCallback    = func;

  1022.     gStandalone.engineCallbackPtr = ptr;

  1023. 

  1024.     if (gStandalone.engine != nullptr)

  1025.         gStandalone.engine->setCallback(func, ptr);

  1026. 

  1027. //#ifdef WANT_LOGS

  1028. //    gLogThread.setCallback(func, ptr);

  1029. //#endif

  1030. }

  1031. 

  1032. #ifndef BUILD_BRIDGE

  1033. void carla_set_engine_option(EngineOption option, int value, const char* valueStr)

  1034. {

  1035.     carla_debug("carla_set_engine_option(%i:%s, %i, \"%s\")", option, CB::EngineOption2Str(option), value, valueStr);

  1036. 

  1037.     switch (option)

  1038.     {

  1039.     case CB::ENGINE_OPTION_DEBUG:

  1040.         break;

  1041. 

  1042.     case CB::ENGINE_OPTION_PROCESS_MODE:

  1043.         CARLA_SAFE_ASSERT_RETURN(value >= CB::ENGINE_PROCESS_MODE_SINGLE_CLIENT && value < CB::ENGINE_PROCESS_MODE_BRIDGE,);

  1044.         gStandalone.engineOptions.processMode = static_cast<CB::EngineProcessMode>(value);

  1045.         break;

  1046. 

  1047.     case CB::ENGINE_OPTION_TRANSPORT_MODE:

  1048.         CARLA_SAFE_ASSERT_RETURN(value >= CB::ENGINE_TRANSPORT_MODE_INTERNAL && value < CB::ENGINE_TRANSPORT_MODE_BRIDGE,);

  1049.         gStandalone.engineOptions.transportMode = static_cast<CB::EngineTransportMode>(value);

  1050.         break;

  1051. 

  1052.     case CB::ENGINE_OPTION_FORCE_STEREO:

  1053.         CARLA_SAFE_ASSERT_RETURN(value == 0 || value == 1,);

  1054.         gStandalone.engineOptions.forceStereo = (value != 0);

  1055.         break;

  1056. 

  1057.     case CB::ENGINE_OPTION_PREFER_PLUGIN_BRIDGES:

  1058.         CARLA_SAFE_ASSERT_RETURN(value == 0 || value == 1,);

  1059.         gStandalone.engineOptions.preferPluginBridges = (value != 0);

  1060.         break;

  1061. 

  1062.     case CB::ENGINE_OPTION_PREFER_UI_BRIDGES:

  1063.         CARLA_SAFE_ASSERT_RETURN(value == 0 || value == 1,);

  1064.         gStandalone.engineOptions.preferUiBridges = (value != 0);

  1065.         break;

  1066. 

  1067.     case CB::ENGINE_OPTION_UIS_ALWAYS_ON_TOP:

  1068.         CARLA_SAFE_ASSERT_RETURN(value == 0 || value == 1,);

  1069.         gStandalone.engineOptions.uisAlwaysOnTop = (value != 0);

  1070.         break;

  1071. 

  1072.     case CB::ENGINE_OPTION_MAX_PARAMETERS:

  1073.         CARLA_SAFE_ASSERT_RETURN(value >= 0,);

  1074.         gStandalone.engineOptions.maxParameters = static_cast<unsigned int>(value);

  1075.         break;

  1076. 

  1077.     case CB::ENGINE_OPTION_UI_BRIDGES_TIMEOUT:

  1078.         CARLA_SAFE_ASSERT_RETURN(value >= 0,);

  1079.         gStandalone.engineOptions.uiBridgesTimeout = static_cast<unsigned int>(value);

  1080.         break;

  1081. 

  1082.     case CB::ENGINE_OPTION_AUDIO_NUM_PERIODS:

  1083.         CARLA_SAFE_ASSERT_RETURN(value >= 2 && value <= 3,);

  1084.         gStandalone.engineOptions.audioNumPeriods = static_cast<unsigned int>(value);

  1085.         break;

  1086. 

  1087.     case CB::ENGINE_OPTION_AUDIO_BUFFER_SIZE:

  1088.         CARLA_SAFE_ASSERT_RETURN(value >= 8,);

  1089.         gStandalone.engineOptions.audioBufferSize = static_cast<unsigned int>(value);

  1090.         break;

  1091. 

  1092.     case CB::ENGINE_OPTION_AUDIO_SAMPLE_RATE:

  1093.         CARLA_SAFE_ASSERT_RETURN(value >= 22050,);

  1094.         gStandalone.engineOptions.audioSampleRate = static_cast<unsigned int>(value);

  1095.         break;

  1096. 

  1097.     case CB::ENGINE_OPTION_AUDIO_DEVICE:

  1098.         CARLA_SAFE_ASSERT_RETURN(valueStr != nullptr,);

  1099. 

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

  1101.             delete[] gStandalone.engineOptions.audioDevice;

  1102. 

  1103.         gStandalone.engineOptions.audioDevice = carla_strdup(valueStr);

  1104.         break;

  1105. 

  1106.     case CB:: ENGINE_OPTION_NSM_INIT:

  1107.         CARLA_SAFE_ASSERT_RETURN(value != 0,);

  1108.         CARLA_SAFE_ASSERT_RETURN(valueStr != nullptr && valueStr[0] != '\0',);

  1109.         gNSM.announce(value, valueStr);

  1110.         break;

  1111. 

  1112.     case CB::ENGINE_OPTION_PATH_BINARIES:

  1113.         CARLA_SAFE_ASSERT_RETURN(valueStr != nullptr && valueStr[0] != '\0',);

  1114. 

  1115.         if (gStandalone.engineOptions.binaryDir != nullptr)

  1116.             delete[] gStandalone.engineOptions.binaryDir;

  1117. 

  1118.         gStandalone.engineOptions.binaryDir = carla_strdup(valueStr);

  1119.         break;

  1120. 

  1121.     case CB::ENGINE_OPTION_PATH_RESOURCES:

  1122.         CARLA_SAFE_ASSERT_RETURN(valueStr != nullptr && valueStr[0] != '\0',);

  1123. 

  1124.         if (gStandalone.engineOptions.resourceDir != nullptr)

  1125.             delete[] gStandalone.engineOptions.resourceDir;

  1126. 

  1127.         gStandalone.engineOptions.resourceDir = carla_strdup(valueStr);

  1128.         break;

  1129. 

  1130.     case CB::ENGINE_OPTION_FRONTEND_WIN_ID:

  1131.         CARLA_SAFE_ASSERT_RETURN(valueStr != nullptr && valueStr[0] != '\0',);

  1132.         const long long winId(std::strtoll(valueStr, nullptr, 16));

  1133.         CARLA_SAFE_ASSERT_RETURN(winId >= 0,);

  1134.         gStandalone.engineOptions.frontendWinId = static_cast<uintptr_t>(winId);

  1135.         break;

  1136.     }

  1137. 

  1138.     if (gStandalone.engine != nullptr)

  1139.         gStandalone.engine->setOption(option, value, valueStr);

  1140. }

  1141. #endif

  1142. 

  1143. void carla_set_file_callback(FileCallbackFunc func, void* ptr)

  1144. {

  1145.     carla_debug("carla_set_file_callback(%p, %p)", func, ptr);

  1146. 

  1147.     gStandalone.fileCallback    = func;

  1148.     gStandalone.fileCallbackPtr = ptr;

  1149. 

  1150.     if (gStandalone.engine != nullptr)

  1151.         gStandalone.engine->setFileCallback(func, ptr);

  1152. }

  1153. 

  1154. // -------------------------------------------------------------------------------------------------------------------

  1155. 

  1156. bool carla_load_file(const char* filename)

  1157. {

  1158.     CARLA_SAFE_ASSERT_RETURN(filename != nullptr && filename[0] != '\0', false);

  1159.     carla_debug("carla_load_file(\"%s\")", filename);

  1160. 

  1161.     if (gStandalone.engine != nullptr)

  1162.         return gStandalone.engine->loadFile(filename);

  1163. 

  1164.     carla_stderr2("Engine is not running");

  1165.     gStandalone.lastError = "Engine is not running";

  1166.     return false;

  1167. }

  1168. 

  1169. bool carla_load_project(const char* filename)

  1170. {

  1171.     CARLA_SAFE_ASSERT_RETURN(filename != nullptr && filename[0] != '\0', false);

  1172.     carla_debug("carla_load_project(\"%s\")", filename);

  1173. 

  1174.     if (gStandalone.engine != nullptr)

  1175.         return gStandalone.engine->loadProject(filename);

  1176. 

  1177.     carla_stderr2("Engine is not running");

  1178.     gStandalone.lastError = "Engine is not running";

  1179.     return false;

  1180. }

  1181. 

  1182. bool carla_save_project(const char* filename)

  1183. {

  1184.     CARLA_SAFE_ASSERT_RETURN(filename != nullptr && filename[0] != '\0', false);

  1185.     carla_debug("carla_save_project(\"%s\")", filename);

  1186. 

  1187.     if (gStandalone.engine != nullptr)

  1188.         return gStandalone.engine->saveProject(filename);

  1189. 

  1190.     carla_stderr2("Engine was never initiated");

  1191.     gStandalone.lastError = "Engine was never initiated";

  1192.     return false;

  1193. }

  1194. 

  1195. #ifndef BUILD_BRIDGE

  1196. // -------------------------------------------------------------------------------------------------------------------

  1197. 

  1198. bool carla_patchbay_connect(uint groupIdA, uint portIdA, uint groupIdB, uint portIdB)

  1199. {

  1200.     carla_debug("carla_patchbay_connect(%u, %u, %u, %u)", groupIdA, portIdA, groupIdB, portIdB);

  1201. 

  1202.     if (gStandalone.engine != nullptr)

  1203.         return gStandalone.engine->patchbayConnect(groupIdA, portIdA, groupIdB, portIdB);

  1204. 

  1205.     carla_stderr2("Engine is not running");

  1206.     gStandalone.lastError = "Engine is not running";

  1207.     return false;

  1208. }

  1209. 

  1210. bool carla_patchbay_disconnect(uint connectionId)

  1211. {

  1212.     carla_debug("carla_patchbay_disconnect(%i)", connectionId);

  1213. 

  1214.     if (gStandalone.engine != nullptr)

  1215.         return gStandalone.engine->patchbayDisconnect(connectionId);

  1216. 

  1217.     carla_stderr2("Engine is not running");

  1218.     gStandalone.lastError = "Engine is not running";

  1219.     return false;

  1220. }

  1221. 

  1222. bool carla_patchbay_refresh()

  1223. {

  1224.     carla_debug("carla_patchbay_refresh()");

  1225. 

  1226.     if (gStandalone.engine != nullptr)

  1227.         return gStandalone.engine->patchbayRefresh();

  1228. 

  1229.     carla_stderr2("Engine is not running");

  1230.     gStandalone.lastError = "Engine is not running";

  1231.     return false;

  1232. }

  1233. #endif

  1234. 

  1235. // -------------------------------------------------------------------------------------------------------------------

  1236. 

  1237. void carla_transport_play()

  1238. {

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

  1240.     carla_debug("carla_transport_play()");

  1241. 

  1242.     gStandalone.engine->transportPlay();

  1243. }

  1244. 

  1245. void carla_transport_pause()

  1246. {

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

  1248.     carla_debug("carla_transport_pause()");

  1249. 

  1250.     gStandalone.engine->transportPause();

  1251. }

  1252. 

  1253. void carla_transport_relocate(uint64_t frame)

  1254. {

  1255.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr && gStandalone.engine->isRunning(),);

  1256.     carla_debug("carla_transport_relocate(%i)", frame);

  1257. 

  1258.     gStandalone.engine->transportRelocate(frame);

  1259. }

  1260. 

  1261. uint64_t carla_get_current_transport_frame()

  1262. {

  1263.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr && gStandalone.engine->isRunning(), 0);

  1264. 

  1265.     const CB::EngineTimeInfo& timeInfo(gStandalone.engine->getTimeInfo());

  1266.     return timeInfo.frame;

  1267. }

  1268. 

  1269. const CarlaTransportInfo* carla_get_transport_info()

  1270. {

  1271.     static CarlaTransportInfo retInfo;

  1272. 

  1273.     // reset

  1274.     retInfo.playing = false;

  1275.     retInfo.frame   = 0;

  1276.     retInfo.bar     = 0;

  1277.     retInfo.beat    = 0;

  1278.     retInfo.tick    = 0;

  1279.     retInfo.bpm     = 0.0;

  1280. 

  1281.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr && gStandalone.engine->isRunning(), &retInfo);

  1282. 

  1283.     const CB::EngineTimeInfo& timeInfo(gStandalone.engine->getTimeInfo());

  1284. 

  1285.     retInfo.playing = timeInfo.playing;

  1286.     retInfo.frame   = timeInfo.frame;

  1287. 

  1288.     if (timeInfo.valid & CB::EngineTimeInfo::kValidBBT)

  1289.     {

  1290.         retInfo.bar  = timeInfo.bbt.bar;

  1291.         retInfo.beat = timeInfo.bbt.beat;

  1292.         retInfo.tick = timeInfo.bbt.tick;

  1293.         retInfo.bpm  = timeInfo.bbt.beatsPerMinute;

  1294.     }

  1295. 

  1296.     return &retInfo;

  1297. }

  1298. 

  1299. // -------------------------------------------------------------------------------------------------------------------

  1300. 

  1301. bool carla_add_plugin(BinaryType btype, PluginType ptype, const char* filename, const char* name, const char* label, int64_t uniqueId, const void* extraPtr)

  1302. {

  1303.     CARLA_SAFE_ASSERT_RETURN(label != nullptr /*&& label[0] != '\0'*/, false);

  1304.     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);

  1305. 

  1306.     if (gStandalone.engine != nullptr)

  1307.         return gStandalone.engine->addPlugin(btype, ptype, filename, name, label, uniqueId, extraPtr);

  1308. 

  1309.     carla_stderr2("Engine is not running");

  1310.     gStandalone.lastError = "Engine is not running";

  1311.     return false;

  1312. }

  1313. 

  1314. bool carla_remove_plugin(uint pluginId)

  1315. {

  1316.     carla_debug("carla_remove_plugin(%i)", pluginId);

  1317. 

  1318.     if (gStandalone.engine != nullptr)

  1319.         return gStandalone.engine->removePlugin(pluginId);

  1320. 

  1321.     carla_stderr2("Engine is not running");

  1322.     gStandalone.lastError = "Engine is not running";

  1323.     return false;

  1324. }

  1325. 

  1326. bool carla_remove_all_plugins()

  1327. {

  1328.     carla_debug("carla_remove_all_plugins()");

  1329. 

  1330.     if (gStandalone.engine != nullptr)

  1331.         return gStandalone.engine->removeAllPlugins();

  1332. 

  1333.     carla_stderr2("Engine is not running");

  1334.     gStandalone.lastError = "Engine is not running";

  1335.     return false;

  1336. }

  1337. 

  1338. const char* carla_rename_plugin(uint pluginId, const char* newName)

  1339. {

  1340.     CARLA_SAFE_ASSERT_RETURN(newName != nullptr && newName[0] != '\0', nullptr);

  1341.     carla_debug("carla_rename_plugin(%i, \"%s\")", pluginId, newName);

  1342. 

  1343.     if (gStandalone.engine != nullptr)

  1344.         return gStandalone.engine->renamePlugin(pluginId, newName);

  1345. 

  1346.     carla_stderr2("Engine is not running");

  1347.     gStandalone.lastError = "Engine is not running";

  1348.     return nullptr;

  1349. }

  1350. 

  1351. bool carla_clone_plugin(uint pluginId)

  1352. {

  1353.     carla_debug("carla_clone_plugin(%i)", pluginId);

  1354. 

  1355.     if (gStandalone.engine != nullptr)

  1356.         return gStandalone.engine->clonePlugin(pluginId);

  1357. 

  1358.     carla_stderr2("Engine is not running");

  1359.     gStandalone.lastError = "Engine is not running";

  1360.     return false;

  1361. }

  1362. 

  1363. bool carla_replace_plugin(uint pluginId)

  1364. {

  1365.     carla_debug("carla_replace_plugin(%i)", pluginId);

  1366. 

  1367.     if (gStandalone.engine != nullptr)

  1368.         return gStandalone.engine->replacePlugin(pluginId);

  1369. 

  1370.     carla_stderr2("Engine is not running");

  1371.     gStandalone.lastError = "Engine is not running";

  1372.     return false;

  1373. }

  1374. 

  1375. bool carla_switch_plugins(uint pluginIdA, uint pluginIdB)

  1376. {

  1377.     CARLA_SAFE_ASSERT_RETURN(pluginIdA != pluginIdB, false);

  1378.     carla_debug("carla_switch_plugins(%i, %i)", pluginIdA, pluginIdB);

  1379. 

  1380.     if (gStandalone.engine != nullptr)

  1381.         return gStandalone.engine->switchPlugins(pluginIdA, pluginIdB);

  1382. 

  1383.     carla_stderr2("Engine is not running");

  1384.     gStandalone.lastError = "Engine is not running";

  1385.     return false;

  1386. }

  1387. 

  1388. // -------------------------------------------------------------------------------------------------------------------

  1389. 

  1390. bool carla_load_plugin_state(uint pluginId, const char* filename)

  1391. {

  1392.     CARLA_SAFE_ASSERT_RETURN(filename != nullptr && filename[0] != '\0', false);

  1393.     carla_debug("carla_load_plugin_state(%i, \"%s\")", pluginId, filename);

  1394. 

  1395.     if (gStandalone.engine == nullptr || ! gStandalone.engine->isRunning())

  1396.     {

  1397.         carla_stderr2("Engine is not running");

  1398.         gStandalone.lastError = "Engine is not running";

  1399.         return false;

  1400.     }

  1401. 

  1402.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1403.         return plugin->loadStateFromFile(filename);

  1404. 

  1405.     carla_stderr2("carla_load_plugin_state(%i, \"%s\") - could not find plugin", pluginId, filename);

  1406.     return false;

  1407. }

  1408. 

  1409. bool carla_save_plugin_state(uint pluginId, const char* filename)

  1410. {

  1411.     CARLA_SAFE_ASSERT_RETURN(filename != nullptr && filename[0] != '\0', false);

  1412.     carla_debug("carla_save_plugin_state(%i, \"%s\")", pluginId, filename);

  1413. 

  1414.     if (gStandalone.engine == nullptr)

  1415.     {

  1416.         carla_stderr2("Engine is not running");

  1417.         gStandalone.lastError = "Engine is not running";

  1418.         return false;

  1419.     }

  1420. 

  1421.     // allow to save even if engine isn't running

  1422. 

  1423.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1424.         return plugin->saveStateToFile(filename);

  1425. 

  1426.     carla_stderr2("carla_save_plugin_state(%i, \"%s\") - could not find plugin", pluginId, filename);

  1427.     return false;

  1428. }

  1429. 

  1430. // -------------------------------------------------------------------------------------------------------------------

  1431. 

  1432. const CarlaPluginInfo* carla_get_plugin_info(uint pluginId)

  1433. {

  1434.     carla_debug("carla_get_plugin_info(%i)", pluginId);

  1435. 

  1436.     static CarlaPluginInfo info;

  1437. 

  1438.     // reset

  1439.     info.type             = CB::PLUGIN_NONE;

  1440.     info.category         = CB::PLUGIN_CATEGORY_NONE;

  1441.     info.hints            = 0x0;

  1442.     info.optionsAvailable = 0x0;

  1443.     info.optionsEnabled   = 0x0;

  1444.     info.filename         = gNullCharPtr;

  1445.     info.name             = gNullCharPtr;

  1446.     info.iconName         = gNullCharPtr;

  1447.     info.uniqueId         = 0;

  1448. 

  1449.     // cleanup

  1450.     if (info.label != gNullCharPtr)

  1451.     {

  1452.         delete[] info.label;

  1453.         info.label = gNullCharPtr;

  1454.     }

  1455. 

  1456.     if (info.maker != gNullCharPtr)

  1457.     {

  1458.         delete[] info.maker;

  1459.         info.maker = gNullCharPtr;

  1460.     }

  1461. 

  1462.     if (info.copyright != gNullCharPtr)

  1463.     {

  1464.         delete[] info.copyright;

  1465.         info.copyright = gNullCharPtr;

  1466.     }

  1467. 

  1468.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, &info);

  1469. 

  1470.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1471.     {

  1472.         char strBufLabel[STR_MAX+1];

  1473.         char strBufMaker[STR_MAX+1];

  1474.         char strBufCopyright[STR_MAX+1];

  1475. 

  1476.         carla_zeroChar(strBufLabel, STR_MAX+1);

  1477.         carla_zeroChar(strBufMaker, STR_MAX+1);

  1478.         carla_zeroChar(strBufCopyright, STR_MAX+1);

  1479. 

  1480.         info.type     = plugin->getType();

  1481.         info.category = plugin->getCategory();

  1482.         info.hints    = plugin->getHints();

  1483.         info.filename = plugin->getFilename();

  1484.         info.name     = plugin->getName();

  1485.         info.iconName = plugin->getIconName();

  1486.         info.uniqueId = plugin->getUniqueId();

  1487. 

  1488.         info.optionsAvailable = plugin->getOptionsAvailable();

  1489.         info.optionsEnabled   = plugin->getOptionsEnabled();

  1490. 

  1491.         plugin->getLabel(strBufLabel);

  1492.         info.label = carla_strdup(strBufLabel);

  1493. 

  1494.         plugin->getMaker(strBufMaker);

  1495.         info.maker = carla_strdup(strBufMaker);

  1496. 

  1497.         plugin->getCopyright(strBufCopyright);

  1498.         info.copyright = carla_strdup(strBufCopyright);

  1499. 

  1500.         checkStringPtr(info.filename);

  1501.         checkStringPtr(info.name);

  1502.         checkStringPtr(info.iconName);

  1503. 

  1504.         return &info;

  1505.     }

  1506. 

  1507.     carla_stderr2("carla_get_plugin_info(%i) - could not find plugin", pluginId);

  1508.     return &info;

  1509. }

  1510. 

  1511. const CarlaPortCountInfo* carla_get_audio_port_count_info(uint pluginId)

  1512. {

  1513.     carla_debug("carla_get_audio_port_count_info(%i)", pluginId);

  1514. 

  1515.     static CarlaPortCountInfo info;

  1516. 

  1517.     // reset

  1518.     info.ins   = 0;

  1519.     info.outs  = 0;

  1520. 

  1521.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, &info);

  1522. 

  1523.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1524.     {

  1525.         info.ins   = plugin->getAudioInCount();

  1526.         info.outs  = plugin->getAudioOutCount();

  1527.         return &info;

  1528.     }

  1529. 

  1530.     carla_stderr2("carla_get_audio_port_count_info(%i) - could not find plugin", pluginId);

  1531.     return &info;

  1532. }

  1533. 

  1534. const CarlaPortCountInfo* carla_get_midi_port_count_info(uint pluginId)

  1535. {

  1536.     carla_debug("carla_get_midi_port_count_info(%i)", pluginId);

  1537. 

  1538.     static CarlaPortCountInfo info;

  1539. 

  1540.     // reset

  1541.     info.ins   = 0;

  1542.     info.outs  = 0;

  1543. 

  1544.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, &info);

  1545. 

  1546.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1547.     {

  1548.         info.ins   = plugin->getMidiInCount();

  1549.         info.outs  = plugin->getMidiOutCount();

  1550.         return &info;

  1551.     }

  1552. 

  1553.     carla_stderr2("carla_get_midi_port_count_info(%i) - could not find plugin", pluginId);

  1554.     return &info;

  1555. }

  1556. 

  1557. const CarlaPortCountInfo* carla_get_parameter_count_info(uint pluginId)

  1558. {

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

  1560. 

  1561.     static CarlaPortCountInfo info;

  1562. 

  1563.     // reset

  1564.     info.ins   = 0;

  1565.     info.outs  = 0;

  1566. 

  1567.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, &info);

  1568. 

  1569.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1570.     {

  1571.         plugin->getParameterCountInfo(info.ins, info.outs);

  1572.         return &info;

  1573.     }

  1574. 

  1575.     carla_stderr2("carla_get_parameter_count_info(%i) - could not find plugin", pluginId);

  1576.     return &info;

  1577. }

  1578. 

  1579. const CarlaParameterInfo* carla_get_parameter_info(uint pluginId, uint32_t parameterId)

  1580. {

  1581.     carla_debug("carla_get_parameter_info(%i, %i)", pluginId, parameterId);

  1582. 

  1583.     static CarlaParameterInfo info;

  1584. 

  1585.     // reset

  1586.     info.scalePointCount = 0;

  1587. 

  1588.     // cleanup

  1589.     if (info.name != gNullCharPtr)

  1590.     {

  1591.         delete[] info.name;

  1592.         info.name = gNullCharPtr;

  1593.     }

  1594. 

  1595.     if (info.symbol != gNullCharPtr)

  1596.     {

  1597.         delete[] info.symbol;

  1598.         info.symbol = gNullCharPtr;

  1599.     }

  1600. 

  1601.     if (info.unit != gNullCharPtr)

  1602.     {

  1603.         delete[] info.unit;

  1604.         info.unit = gNullCharPtr;

  1605.     }

  1606. 

  1607.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, &info);

  1608. 

  1609.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1610.     {

  1611.         if (parameterId < plugin->getParameterCount())

  1612.         {

  1613.             char strBufName[STR_MAX+1];

  1614.             char strBufSymbol[STR_MAX+1];

  1615.             char strBufUnit[STR_MAX+1];

  1616. 

  1617.             carla_zeroChar(strBufName, STR_MAX+1);

  1618.             carla_zeroChar(strBufSymbol, STR_MAX+1);

  1619.             carla_zeroChar(strBufUnit, STR_MAX+1);

  1620. 

  1621.             info.scalePointCount = plugin->getParameterScalePointCount(parameterId);

  1622. 

  1623.             plugin->getParameterName(parameterId, strBufName);

  1624.             info.name = carla_strdup(strBufName);

  1625. 

  1626.             plugin->getParameterSymbol(parameterId, strBufSymbol);

  1627.             info.symbol = carla_strdup(strBufSymbol);

  1628. 

  1629.             plugin->getParameterUnit(parameterId, strBufUnit);

  1630.             info.unit = carla_strdup(strBufUnit);

  1631.         }

  1632.         else

  1633.             carla_stderr2("carla_get_parameter_info(%i, %i) - parameterId out of bounds", pluginId, parameterId);

  1634. 

  1635.         return &info;

  1636.     }

  1637. 

  1638.     carla_stderr2("carla_get_parameter_info(%i, %i) - could not find plugin", pluginId, parameterId);

  1639.     return &info;

  1640. }

  1641. 

  1642. const CarlaScalePointInfo* carla_get_parameter_scalepoint_info(uint pluginId, uint32_t parameterId, uint32_t scalePointId)

  1643. {

  1644.     carla_debug("carla_get_parameter_scalepoint_info(%i, %i, %i)", pluginId, parameterId, scalePointId);

  1645.     CARLA_ASSERT(gStandalone.engine != nullptr);

  1646. 

  1647.     static CarlaScalePointInfo info;

  1648. 

  1649.     // reset

  1650.     info.value = 0.0f;

  1651. 

  1652.     // cleanup

  1653.     if (info.label != gNullCharPtr)

  1654.     {

  1655.         delete[] info.label;

  1656.         info.label = gNullCharPtr;

  1657.     }

  1658. 

  1659.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, &info);

  1660. 

  1661.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1662.     {

  1663.         if (parameterId < plugin->getParameterCount())

  1664.         {

  1665.             if (scalePointId < plugin->getParameterScalePointCount(parameterId))

  1666.             {

  1667.                 char strBufLabel[STR_MAX+1];

  1668.                 carla_zeroChar(strBufLabel, STR_MAX+1);

  1669. 

  1670.                 info.value = plugin->getParameterScalePointValue(parameterId, scalePointId);

  1671. 

  1672.                 plugin->getParameterScalePointLabel(parameterId, scalePointId, strBufLabel);

  1673.                 info.label = carla_strdup(strBufLabel);

  1674.             }

  1675.             else

  1676.                 carla_stderr2("carla_get_parameter_scalepoint_info(%i, %i, %i) - scalePointId out of bounds", pluginId, parameterId, scalePointId);

  1677.         }

  1678.         else

  1679.             carla_stderr2("carla_get_parameter_scalepoint_info(%i, %i, %i) - parameterId out of bounds", pluginId, parameterId, scalePointId);

  1680. 

  1681.         return &info;

  1682.     }

  1683. 

  1684.     carla_stderr2("carla_get_parameter_scalepoint_info(%i, %i, %i) - could not find plugin", pluginId, parameterId, scalePointId);

  1685.     return &info;

  1686. }

  1687. 

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

  1689. 

  1690. const ParameterData* carla_get_parameter_data(uint pluginId, uint32_t parameterId)

  1691. {

  1692.     carla_debug("carla_get_parameter_data(%i, %i)", pluginId, parameterId);

  1693. 

  1694.     static const ParameterData fallbackParameterData = { CB::PARAMETER_UNKNOWN, 0x0, CB::PARAMETER_NULL, -1, -1, 0 };

  1695. 

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

  1697. 

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

  1699.     {

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

  1701.             return &plugin->getParameterData(parameterId);

  1702. 

  1703.         carla_stderr2("carla_get_parameter_data(%i, %i) - parameterId out of bounds", pluginId, parameterId);

  1704.         return &fallbackParameterData;

  1705.     }

  1706. 

  1707.     carla_stderr2("carla_get_parameter_data(%i, %i) - could not find plugin", pluginId, parameterId);

  1708.     return &fallbackParameterData;

  1709. }

  1710. 

  1711. const ParameterRanges* carla_get_parameter_ranges(uint pluginId, uint32_t parameterId)

  1712. {

  1713.     carla_debug("carla_get_parameter_ranges(%i, %i)", pluginId, parameterId);

  1714. 

  1715.     static const ParameterRanges fallbackParamRanges = { 0.0f, 0.0f, 1.0f, 0.01f, 0.0001f, 0.1f };

  1716. 

  1717.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, &fallbackParamRanges);

  1718. 

  1719.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1720.     {

  1721.         if (parameterId < plugin->getParameterCount())

  1722.             return &plugin->getParameterRanges(parameterId);

  1723. 

  1724.         carla_stderr2("carla_get_parameter_ranges(%i, %i) - parameterId out of bounds", pluginId, parameterId);

  1725.         return &fallbackParamRanges;

  1726.     }

  1727. 

  1728.     carla_stderr2("carla_get_parameter_ranges(%i, %i) - could not find plugin", pluginId, parameterId);

  1729.     return &fallbackParamRanges;

  1730. }

  1731. 

  1732. const MidiProgramData* carla_get_midi_program_data(uint pluginId, uint32_t midiProgramId)

  1733. {

  1734.     carla_debug("carla_get_midi_program_data(%i, %i)", pluginId, midiProgramId);

  1735. 

  1736.     static MidiProgramData midiProgData;

  1737. 

  1738.     // reset

  1739.     midiProgData.bank    = 0;

  1740.     midiProgData.program = 0;

  1741.     midiProgData.name    = gNullCharPtr;

  1742. 

  1743.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, &midiProgData);

  1744. 

  1745.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1746.     {

  1747.         if (midiProgramId < plugin->getMidiProgramCount())

  1748.         {

  1749.             const MidiProgramData& ret(plugin->getMidiProgramData(midiProgramId));

  1750.             carla_copyStruct<MidiProgramData>(midiProgData, ret);

  1751.             checkStringPtr(midiProgData.name);

  1752.             return &midiProgData;

  1753.         }

  1754. 

  1755.         carla_stderr2("carla_get_midi_program_data(%i, %i) - midiProgramId out of bounds", pluginId, midiProgramId);

  1756.         return &midiProgData;

  1757.     }

  1758. 

  1759.     carla_stderr2("carla_get_midi_program_data(%i, %i) - could not find plugin", pluginId, midiProgramId);

  1760.     return &midiProgData;

  1761. }

  1762. 

  1763. const CustomData* carla_get_custom_data(uint pluginId, uint32_t customDataId)

  1764. {

  1765.     carla_debug("carla_get_custom_data(%i, %i)", pluginId, customDataId);

  1766. 

  1767.     static CustomData customData;

  1768. 

  1769.     // reset

  1770.     customData.type  = gNullCharPtr;

  1771.     customData.key   = gNullCharPtr;

  1772.     customData.value = gNullCharPtr;

  1773. 

  1774.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, &customData);

  1775. 

  1776.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1777.     {

  1778.         if (customDataId < plugin->getCustomDataCount())

  1779.         {

  1780.             const CustomData& ret(plugin->getCustomData(customDataId));

  1781.             carla_copyStruct<CustomData>(customData, ret);

  1782.             checkStringPtr(customData.type);

  1783.             checkStringPtr(customData.key);

  1784.             checkStringPtr(customData.value);

  1785.             return &customData;

  1786.         }

  1787. 

  1788.         carla_stderr2("carla_get_custom_data(%i, %i) - customDataId out of bounds", pluginId, customDataId);

  1789.         return &customData;

  1790.     }

  1791. 

  1792.     carla_stderr2("carla_get_custom_data(%i, %i) - could not find plugin", pluginId, customDataId);

  1793.     return &customData;

  1794. }

  1795. 

  1796. const char* carla_get_chunk_data(uint pluginId)

  1797. {

  1798.     carla_debug("carla_get_chunk_data(%i)", pluginId);

  1799. 

  1800.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, nullptr);

  1801. 

  1802.     static CarlaString chunkData;

  1803. 

  1804.     // cleanup

  1805.     chunkData.clear();

  1806. 

  1807.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1808.     {

  1809.         if (plugin->getOptionsEnabled() & CB::PLUGIN_OPTION_USE_CHUNKS)

  1810.         {

  1811.             void* data = nullptr;

  1812.             const int32_t dataSize(plugin->getChunkData(&data));

  1813. 

  1814.             if (data != nullptr && dataSize > 0)

  1815.             {

  1816.                 chunkData = QByteArray((char*)data, dataSize).toBase64().constData();

  1817. 

  1818.                 return chunkData;

  1819.             }

  1820.             else

  1821.                 carla_stderr2("carla_get_chunk_data(%i) - got invalid chunk data", pluginId);

  1822.         }

  1823.         else

  1824.             carla_stderr2("carla_get_chunk_data(%i) - plugin does not use chunks", pluginId);

  1825. 

  1826.         return nullptr;

  1827.     }

  1828. 

  1829.     carla_stderr2("carla_get_chunk_data(%i) - could not find plugin", pluginId);

  1830.     return nullptr;

  1831. }

  1832. 

  1833. // -------------------------------------------------------------------------------------------------------------------

  1834. 

  1835. uint32_t carla_get_parameter_count(uint pluginId)

  1836. {

  1837.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, 0);

  1838.     carla_debug("carla_get_parameter_count(%i)", pluginId);

  1839. 

  1840.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1841.         return plugin->getParameterCount();

  1842. 

  1843.     carla_stderr2("carla_get_parameter_count(%i) - could not find plugin", pluginId);

  1844.     return 0;

  1845. }

  1846. 

  1847. uint32_t carla_get_program_count(uint pluginId)

  1848. {

  1849.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, 0);

  1850.     carla_debug("carla_get_program_count(%i)", pluginId);

  1851. 

  1852.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1853.         return plugin->getProgramCount();

  1854. 

  1855.     carla_stderr2("carla_get_program_count(%i) - could not find plugin", pluginId);

  1856.     return 0;

  1857. }

  1858. 

  1859. uint32_t carla_get_midi_program_count(uint pluginId)

  1860. {

  1861.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, 0);

  1862.     carla_debug("carla_get_midi_program_count(%i)", pluginId);

  1863. 

  1864.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1865.         return plugin->getMidiProgramCount();

  1866. 

  1867.     carla_stderr2("carla_get_midi_program_count(%i) - could not find plugin", pluginId);

  1868.     return 0;

  1869. }

  1870. 

  1871. uint32_t carla_get_custom_data_count(uint pluginId)

  1872. {

  1873.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, 0);

  1874.     carla_debug("carla_get_custom_data_count(%i)", pluginId);

  1875. 

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

  1877.         return plugin->getCustomDataCount();

  1878. 

  1879.     carla_stderr2("carla_get_custom_data_count(%i) - could not find plugin", pluginId);

  1880.     return 0;

  1881. }

  1882. 

  1883. // -------------------------------------------------------------------------------------------------------------------

  1884. 

  1885. const char* carla_get_parameter_text(uint pluginId, uint32_t parameterId)

  1886. {

  1887.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, nullptr);

  1888.     carla_debug("carla_get_parameter_text(%i, %i)", pluginId, parameterId);

  1889. 

  1890.     static char textBuf[STR_MAX+1];

  1891. 

  1892.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1893.     {

  1894.         if (parameterId < plugin->getParameterCount())

  1895.         {

  1896.             carla_zeroChar(textBuf, STR_MAX+1);

  1897.             plugin->getParameterText(parameterId, textBuf);

  1898.             return textBuf;

  1899.         }

  1900. 

  1901.         carla_stderr2("carla_get_parameter_text(%i, %i) - parameterId out of bounds", pluginId, parameterId);

  1902.         return nullptr;

  1903.     }

  1904. 

  1905.     carla_stderr2("carla_get_parameter_text(%i, %i) - could not find plugin", pluginId, parameterId);

  1906.     return nullptr;

  1907. }

  1908. 

  1909. const char* carla_get_program_name(uint pluginId, uint32_t programId)

  1910. {

  1911.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, nullptr);

  1912.     carla_debug("carla_get_program_name(%i, %i)", pluginId, programId);

  1913. 

  1914.     static char programName[STR_MAX+1];

  1915. 

  1916.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1917.     {

  1918.         if (programId < plugin->getProgramCount())

  1919.         {

  1920.             carla_zeroChar(programName, STR_MAX+1);

  1921.             plugin->getProgramName(programId, programName);

  1922.             return programName;

  1923.         }

  1924. 

  1925.         carla_stderr2("carla_get_program_name(%i, %i) - programId out of bounds", pluginId, programId);

  1926.         return nullptr;

  1927.     }

  1928. 

  1929.     carla_stderr2("carla_get_program_name(%i, %i) - could not find plugin", pluginId, programId);

  1930.     return nullptr;

  1931. }

  1932. 

  1933. const char* carla_get_midi_program_name(uint pluginId, uint32_t midiProgramId)

  1934. {

  1935.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, nullptr);

  1936.     carla_debug("carla_get_midi_program_name(%i, %i)", pluginId, midiProgramId);

  1937. 

  1938.     static char midiProgramName[STR_MAX+1];

  1939. 

  1940.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1941.     {

  1942.         if (midiProgramId < plugin->getMidiProgramCount())

  1943.         {

  1944.             carla_zeroChar(midiProgramName, STR_MAX+1);

  1945.             plugin->getMidiProgramName(midiProgramId, midiProgramName);

  1946.             return midiProgramName;

  1947.         }

  1948. 

  1949.         carla_stderr2("carla_get_midi_program_name(%i, %i) - midiProgramId out of bounds", pluginId, midiProgramId);

  1950.         return nullptr;

  1951.     }

  1952. 

  1953.     carla_stderr2("carla_get_midi_program_name(%i, %i) - could not find plugin", pluginId, midiProgramId);

  1954.     return nullptr;

  1955. }

  1956. 

  1957. const char* carla_get_real_plugin_name(uint pluginId)

  1958. {

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

  1960.     carla_debug("carla_get_real_plugin_name(%i)", pluginId);

  1961. 

  1962.     static char realPluginName[STR_MAX+1];

  1963. 

  1964.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1965.     {

  1966.         carla_zeroChar(realPluginName, STR_MAX+1);

  1967.         plugin->getRealName(realPluginName);

  1968.         return realPluginName;

  1969.     }

  1970. 

  1971.     carla_stderr2("carla_get_real_plugin_name(%i) - could not find plugin", pluginId);

  1972.     return nullptr;

  1973. }

  1974. 

  1975. // -------------------------------------------------------------------------------------------------------------------

  1976. 

  1977. int32_t carla_get_current_program_index(uint pluginId)

  1978. {

  1979.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, -1);

  1980.     carla_debug("carla_get_current_program_index(%i)", pluginId);

  1981. 

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

  1983.         return plugin->getCurrentProgram();

  1984. 

  1985.     carla_stderr2("carla_get_current_program_index(%i) - could not find plugin", pluginId);

  1986.     return -1;

  1987. }

  1988. 

  1989. int32_t carla_get_current_midi_program_index(uint pluginId)

  1990. {

  1991.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, -1);

  1992.     carla_debug("carla_get_current_midi_program_index(%i)", pluginId);

  1993. 

  1994.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1995.         return plugin->getCurrentMidiProgram();

  1996. 

  1997.     carla_stderr2("carla_get_current_midi_program_index(%i) - could not find plugin", pluginId);

  1998.     return -1;

  1999. }

  2000. 

  2001. // -------------------------------------------------------------------------------------------------------------------

  2002. 

  2003. float carla_get_default_parameter_value(uint pluginId, uint32_t parameterId)

  2004. {

  2005.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, 0.0f);

  2006.     carla_debug("carla_get_default_parameter_value(%i, %i)", pluginId, parameterId);

  2007. 

  2008.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2009.     {

  2010.         if (parameterId < plugin->getParameterCount())

  2011.             return plugin->getParameterRanges(parameterId).def;

  2012. 

  2013.         carla_stderr2("carla_get_default_parameter_value(%i, %i) - parameterId out of bounds", pluginId, parameterId);

  2014.         return 0.0f;

  2015.     }

  2016. 

  2017.     carla_stderr2("carla_get_default_parameter_value(%i, %i) - could not find plugin", pluginId, parameterId);

  2018.     return 0.0f;

  2019. }

  2020. 

  2021. float carla_get_current_parameter_value(uint pluginId, uint32_t parameterId)

  2022. {

  2023.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, 0.0f);

  2024. 

  2025.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2026.     {

  2027.         if (parameterId < plugin->getParameterCount())

  2028.             return plugin->getParameterValue(parameterId);

  2029. 

  2030.         carla_stderr2("carla_get_current_parameter_value(%i, %i) - parameterId out of bounds", pluginId, parameterId);

  2031.         return 0.0f;

  2032.     }

  2033. 

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

  2035.     return 0.0f;

  2036. }

  2037. 

  2038. float carla_get_internal_parameter_value(uint pluginId, int32_t parameterId)

  2039. {

  2040.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, 0.0f);

  2041.     CARLA_SAFE_ASSERT_RETURN(parameterId != CB::PARAMETER_NULL && parameterId > CB::PARAMETER_MAX, 0.0f);

  2042. 

  2043.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2044.         return plugin->getInternalParameterValue(parameterId);

  2045. 

  2046.     carla_stderr2("carla_get_internal_parameter_value(%i, %i) - could not find plugin", pluginId, parameterId);

  2047.     return 0.0f;

  2048. }

  2049. 

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

  2051. 

  2052. float carla_get_input_peak_value(uint pluginId, bool isLeft)

  2053. {

  2054.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, 0.0f);

  2055. 

  2056.     return gStandalone.engine->getInputPeak(pluginId, isLeft);

  2057. }

  2058. 

  2059. float carla_get_output_peak_value(uint pluginId, bool isLeft)

  2060. {

  2061.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, 0.0f);

  2062. 

  2063.     return gStandalone.engine->getOutputPeak(pluginId, isLeft);

  2064. }

  2065. 

  2066. // -------------------------------------------------------------------------------------------------------------------

  2067. 

  2068. void carla_set_option(uint pluginId, uint option, bool yesNo)

  2069. {

  2070.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  2071.     carla_debug("carla_set_option(%i, %i, %s)", pluginId, option, bool2str(yesNo));

  2072. 

  2073.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2074.         return plugin->setOption(option, yesNo);

  2075. 

  2076.     carla_stderr2("carla_set_option(%i, %i, %s) - could not find plugin", pluginId, option, bool2str(yesNo));

  2077. }

  2078. 

  2079. void carla_set_active(uint pluginId, bool onOff)

  2080. {

  2081.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  2082.     carla_debug("carla_set_active(%i, %s)", pluginId, bool2str(onOff));

  2083. 

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

  2085.         return plugin->setActive(onOff, true, false);

  2086. 

  2087.     carla_stderr2("carla_set_active(%i, %s) - could not find plugin", pluginId, bool2str(onOff));

  2088. }

  2089. 

  2090. #ifndef BUILD_BRIDGE

  2091. void carla_set_drywet(uint pluginId, float value)

  2092. {

  2093.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  2094.     carla_debug("carla_set_drywet(%i, %f)", pluginId, value);

  2095. 

  2096.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2097.         return plugin->setDryWet(value, true, false);

  2098. 

  2099.     carla_stderr2("carla_set_drywet(%i, %f) - could not find plugin", pluginId, value);

  2100. }

  2101. 

  2102. void carla_set_volume(uint pluginId, float value)

  2103. {

  2104.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  2105.     carla_debug("carla_set_volume(%i, %f)", pluginId, value);

  2106. 

  2107.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2108.         return plugin->setVolume(value, true, false);

  2109. 

  2110.     carla_stderr2("carla_set_volume(%i, %f) - could not find plugin", pluginId, value);

  2111. }

  2112. 

  2113. void carla_set_balance_left(uint pluginId, float value)

  2114. {

  2115.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  2116.     carla_debug("carla_set_balance_left(%i, %f)", pluginId, value);

  2117. 

  2118.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2119.         return plugin->setBalanceLeft(value, true, false);

  2120. 

  2121.     carla_stderr2("carla_set_balance_left(%i, %f) - could not find plugin", pluginId, value);

  2122. }

  2123. 

  2124. void carla_set_balance_right(uint pluginId, float value)

  2125. {

  2126.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  2127.     carla_debug("carla_set_balance_right(%i, %f)", pluginId, value);

  2128. 

  2129.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2130.         return plugin->setBalanceRight(value, true, false);

  2131. 

  2132.     carla_stderr2("carla_set_balance_right(%i, %f) - could not find plugin", pluginId, value);

  2133. }

  2134. 

  2135. void carla_set_panning(uint pluginId, float value)

  2136. {

  2137.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  2138.     carla_debug("carla_set_panning(%i, %f)", pluginId, value);

  2139. 

  2140.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2141.         return plugin->setPanning(value, true, false);

  2142. 

  2143.     carla_stderr2("carla_set_panning(%i, %f) - could not find plugin", pluginId, value);

  2144. }

  2145. #endif

  2146. 

  2147. void carla_set_ctrl_channel(uint pluginId, int8_t channel)

  2148. {

  2149.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  2150.     carla_debug("carla_set_ctrl_channel(%i, %i)", pluginId, channel);

  2151. 

  2152.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2153.         return plugin->setCtrlChannel(channel, true, false);

  2154. 

  2155.     carla_stderr2("carla_set_ctrl_channel(%i, %i) - could not find plugin", pluginId, channel);

  2156. }

  2157. 

  2158. // -------------------------------------------------------------------------------------------------------------------

  2159. 

  2160. void carla_set_parameter_value(uint pluginId, uint32_t parameterId, float value)

  2161. {

  2162.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  2163.     carla_debug("carla_set_parameter_value(%i, %i, %f)", pluginId, parameterId, value);

  2164. 

  2165.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2166.     {

  2167.         if (parameterId < plugin->getParameterCount())

  2168.             return plugin->setParameterValue(parameterId, value, true, true, false);

  2169. 

  2170.         carla_stderr2("carla_set_parameter_value(%i, %i, %f) - parameterId out of bounds", pluginId, parameterId, value);

  2171.         return;

  2172.     }

  2173. 

  2174.     carla_stderr2("carla_set_parameter_value(%i, %i, %f) - could not find plugin", pluginId, parameterId, value);

  2175. }

  2176. 

  2177. #ifndef BUILD_BRIDGE

  2178. void carla_set_parameter_midi_channel(uint pluginId, uint32_t parameterId, uint8_t channel)

  2179. {

  2180.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  2181.     CARLA_SAFE_ASSERT_RETURN(channel >= MAX_MIDI_CHANNELS,);

  2182.     carla_debug("carla_set_parameter_midi_channel(%i, %i, %i)", pluginId, parameterId, channel);

  2183. 

  2184.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2185.     {

  2186.         if (parameterId < plugin->getParameterCount())

  2187.             return plugin->setParameterMidiChannel(parameterId, channel, true, false);

  2188. 

  2189.         carla_stderr2("carla_set_parameter_midi_channel(%i, %i, %i) - parameterId out of bounds", pluginId, parameterId, channel);

  2190.         return;

  2191.     }

  2192. 

  2193.     carla_stderr2("carla_set_parameter_midi_channel(%i, %i, %i) - could not find plugin", pluginId, parameterId, channel);

  2194. }

  2195. 

  2196. void carla_set_parameter_midi_cc(uint pluginId, uint32_t parameterId, int16_t cc)

  2197. {

  2198.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  2199.     CARLA_SAFE_ASSERT_RETURN(cc >= -1 && cc <= 0x5F,);

  2200.     carla_debug("carla_set_parameter_midi_cc(%i, %i, %i)", pluginId, parameterId, cc);

  2201. 

  2202.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2203.     {

  2204.         if (parameterId < plugin->getParameterCount())

  2205.             return plugin->setParameterMidiCC(parameterId, cc, true, false);

  2206. 

  2207.         carla_stderr2("carla_set_parameter_midi_cc(%i, %i, %i) - parameterId out of bounds", pluginId, parameterId, cc);

  2208.         return;

  2209.     }

  2210. 

  2211.     carla_stderr2("carla_set_parameter_midi_cc(%i, %i, %i) - could not find plugin", pluginId, parameterId, cc);

  2212. }

  2213. #endif

  2214. 

  2215. // -------------------------------------------------------------------------------------------------------------------

  2216. 

  2217. void carla_set_program(uint pluginId, uint32_t programId)

  2218. {

  2219.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  2220.     carla_debug("carla_set_program(%i, %i)", pluginId, programId);

  2221. 

  2222.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2223.     {

  2224.         if (programId < plugin->getProgramCount())

  2225.             return plugin->setProgram(static_cast<int32_t>(programId), true, true, false);

  2226. 

  2227.         carla_stderr2("carla_set_program(%i, %i) - programId out of bounds", pluginId, programId);

  2228.         return;

  2229.     }

  2230. 

  2231.     carla_stderr2("carla_set_program(%i, %i) - could not find plugin", pluginId, programId);

  2232. }

  2233. 

  2234. void carla_set_midi_program(uint pluginId, uint32_t midiProgramId)

  2235. {

  2236.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  2237.     carla_debug("carla_set_midi_program(%i, %i)", pluginId, midiProgramId);

  2238. 

  2239.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2240.     {

  2241.         if (midiProgramId < plugin->getMidiProgramCount())

  2242.             return plugin->setMidiProgram(static_cast<int32_t>(midiProgramId), true, true, false);

  2243. 

  2244.         carla_stderr2("carla_set_midi_program(%i, %i) - midiProgramId out of bounds", pluginId, midiProgramId);

  2245.         return;

  2246.     }

  2247. 

  2248.     carla_stderr2("carla_set_midi_program(%i, %i) - could not find plugin", pluginId, midiProgramId);

  2249. }

  2250. 

  2251. // -------------------------------------------------------------------------------------------------------------------

  2252. 

  2253. void carla_set_custom_data(uint pluginId, const char* type, const char* key, const char* value)

  2254. {

  2255.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  2256.     CARLA_SAFE_ASSERT_RETURN(type != nullptr && type[0] != '\0',);

  2257.     CARLA_SAFE_ASSERT_RETURN(key != nullptr && key[0] != '\0',);

  2258.     CARLA_SAFE_ASSERT_RETURN(value != nullptr,);

  2259.     carla_debug("carla_set_custom_data(%i, \"%s\", \"%s\", \"%s\")", pluginId, type, key, value);

  2260. 

  2261.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2262.         return plugin->setCustomData(type, key, value, true);

  2263. 

  2264.     carla_stderr2("carla_set_custom_data(%i, \"%s\", \"%s\", \"%s\") - could not find plugin", pluginId, type, key, value);

  2265. }

  2266. 

  2267. void carla_set_chunk_data(uint pluginId, const char* chunkData)

  2268. {

  2269.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  2270.     CARLA_SAFE_ASSERT_RETURN(chunkData != nullptr && chunkData[0] != '\0',);

  2271.     carla_debug("carla_set_chunk_data(%i, \"%s\")", pluginId, chunkData);

  2272. 

  2273.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2274.     {

  2275.         if (plugin->getOptionsEnabled() & CB::PLUGIN_OPTION_USE_CHUNKS)

  2276.             return plugin->setChunkData(chunkData);

  2277. 

  2278.         carla_stderr2("carla_set_chunk_data(%i, \"%s\") - plugin does not use chunks", pluginId, chunkData);

  2279.         return;

  2280.     }

  2281. 

  2282.     carla_stderr2("carla_set_chunk_data(%i, \"%s\") - could not find plugin", pluginId, chunkData);

  2283. }

  2284. 

  2285. // -------------------------------------------------------------------------------------------------------------------

  2286. 

  2287. void carla_prepare_for_save(uint pluginId)

  2288. {

  2289.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  2290.     carla_debug("carla_prepare_for_save(%i)", pluginId);

  2291. 

  2292.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2293.         return plugin->prepareForSave();

  2294. 

  2295.     carla_stderr2("carla_prepare_for_save(%i) - could not find plugin", pluginId);

  2296. }

  2297. 

  2298. void carla_reset_parameters(uint pluginId)

  2299. {

  2300.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  2301.     carla_debug("carla_reset_parameters(%i)", pluginId);

  2302. 

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

  2304.         return plugin->resetParameters();

  2305. 

  2306.     carla_stderr2("carla_reset_parameters(%i) - could not find plugin", pluginId);

  2307. }

  2308. 

  2309. void carla_randomize_parameters(uint pluginId)

  2310. {

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

  2312.     carla_debug("carla_randomize_parameters(%i)", pluginId);

  2313. 

  2314.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2315.         return plugin->randomizeParameters();

  2316. 

  2317.     carla_stderr2("carla_randomize_parameters(%i) - could not find plugin", pluginId);

  2318. }

  2319. 

  2320. #ifndef BUILD_BRIDGE

  2321. void carla_send_midi_note(uint pluginId, uint8_t channel, uint8_t note, uint8_t velocity)

  2322. {

  2323.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr && gStandalone.engine->isRunning(),);

  2324.     carla_debug("carla_send_midi_note(%i, %i, %i, %i)", pluginId, channel, note, velocity);

  2325. 

  2326.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2327.         return plugin->sendMidiSingleNote(channel, note, velocity, true, true, false);

  2328. 

  2329.     carla_stderr2("carla_send_midi_note(%i, %i, %i, %i) - could not find plugin", pluginId, channel, note, velocity);

  2330. }

  2331. #endif

  2332. 

  2333. void carla_show_custom_ui(uint pluginId, bool yesNo)

  2334. {

  2335.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  2336.     carla_debug("carla_show_custom_ui(%i, %s)", pluginId, bool2str(yesNo));

  2337. 

  2338.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2339.         return plugin->showCustomUI(yesNo);

  2340. 

  2341.     carla_stderr2("carla_show_custom_ui(%i, %s) - could not find plugin", pluginId, bool2str(yesNo));

  2342. }

  2343. 

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

  2345. 

  2346. uint32_t carla_get_buffer_size()

  2347. {

  2348.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, 0);

  2349.     carla_debug("carla_get_buffer_size()");

  2350. 

  2351.     return gStandalone.engine->getBufferSize();

  2352. }

  2353. 

  2354. double carla_get_sample_rate()

  2355. {

  2356.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, 0.0);

  2357.     carla_debug("carla_get_sample_rate()");

  2358. 

  2359.     return gStandalone.engine->getSampleRate();

  2360. }

  2361. 

  2362. // -------------------------------------------------------------------------------------------------------------------

  2363. 

  2364. const char* carla_get_last_error()

  2365. {

  2366.     carla_debug("carla_get_last_error()");

  2367. 

  2368.     if (gStandalone.engine != nullptr)

  2369.         return gStandalone.engine->getLastError();

  2370. 

  2371.     return gStandalone.lastError;

  2372. }

  2373. 

  2374. const char* carla_get_host_osc_url_tcp()

  2375. {

  2376.     carla_debug("carla_get_host_osc_url_tcp()");

  2377. 

  2378.     if (gStandalone.engine == nullptr)

  2379.     {

  2380.         carla_stderr2("Engine is not running");

  2381.         gStandalone.lastError = "Engine is not running";

  2382.         return nullptr;

  2383.     }

  2384. 

  2385.     return gStandalone.engine->getOscServerPathTCP();

  2386. }

  2387. 

  2388. const char* carla_get_host_osc_url_udp()

  2389. {

  2390.     carla_debug("carla_get_host_osc_url_udp()");

  2391. 

  2392.     if (gStandalone.engine == nullptr)

  2393.     {

  2394.         carla_stderr2("Engine is not running");

  2395.         gStandalone.lastError = "Engine is not running";

  2396.         return nullptr;

  2397.     }

  2398. 

  2399.     return gStandalone.engine->getOscServerPathUDP();

  2400. }

  2401. 

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

  2403. 

  2404. #ifdef WANT_DSSI

  2405. # include "CarlaDssiUtils.cpp"

  2406. #endif

  2407. 

  2408. #include "CarlaStateUtils.cpp"

  2409. 

  2410. #if 0

  2411. int main(int argc, char* argv[])

  2412. {

  2413.     return 0;

  2414. }

  2415. #endif

  2416. 

  2417. // -------------------------------------------------------------------------------------------------------------------