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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. // FIXME

  33. #include <QtCore/QByteArray>

  34. 

  35. #ifdef BUILD_BRIDGE

  36. # undef HAVE_JUCE_UI

  37. #endif

  38. 

  39. #ifdef HAVE_JUCE_UI

  40. # include "juce_gui_basics.h"

  41. using juce::initialiseJuce_GUI;

  42. using juce::shutdownJuce_GUI;

  43. using juce::MessageManager;

  44. using juce::Thread;

  45. #endif

  46. 

  47. namespace CB = CarlaBackend;

  48. using CB::EngineOptions;

  49. 

  50. // -------------------------------------------------------------------------------------------------------------------

  51. // Juce Message Thread

  52. 

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

  54. 

  55. class JuceMessageThread : public Thread

  56. {

  57. public:

  58.     JuceMessageThread()

  59.       : Thread("JuceMessageThread"),

  60.         fInitialised(false)

  61.     {

  62.     }

  63. 

  64.     ~JuceMessageThread() override

  65.     {

  66.         stop();

  67.     }

  68. 

  69.     void start()

  70.     {

  71.         CARLA_SAFE_ASSERT_RETURN(! fInitialised,);

  72. 

  73.         fInitialised = false;

  74. 

  75.         startThread(7);

  76. 

  77.         while (! fInitialised)

  78.             sleep(1);

  79.     }

  80. 

  81.     void stop()

  82.     {

  83.         signalThreadShouldExit();

  84.         waitForThreadToExit(5000);

  85.     }

  86. 

  87. protected:

  88.     void run() override

  89.     {

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

  91.         CARLA_SAFE_ASSERT_RETURN(msgMgr != nullptr,);

  92. 

  93.         msgMgr->setCurrentThreadAsMessageThread();

  94.         fInitialised = true;

  95. 

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

  97.         {}

  98. 

  99.         fInitialised = false;

  100.     }

  101. 

  102. private:

  103.     volatile bool fInitialised;

  104. 

  105.     CARLA_DECLARE_NON_COPY_CLASS(JuceMessageThread)

  106. };

  107. 

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

  109. 

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

  111. // Single, standalone engine

  112. 

  113. struct CarlaBackendStandalone {

  114.     CarlaEngine*       engine;

  115.     EngineCallbackFunc engineCallback;

  116.     void*              engineCallbackPtr;

  117.     EngineOptions      engineOptions;

  118. 

  119.     FileCallbackFunc fileCallback;

  120.     void*            fileCallbackPtr;

  121. 

  122.     CarlaString lastError;

  123. 

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

  125.     JuceMessageThread juceMsgThread;

  126. #endif

  127. 

  128.     CarlaBackendStandalone()

  129.         : engine(nullptr),

  130.           engineCallback(nullptr),

  131.           engineCallbackPtr(nullptr),

  132.           fileCallback(nullptr),

  133.           fileCallbackPtr(nullptr)

  134.     {

  135. #ifdef BUILD_BRIDGE

  136.         engineOptions.processMode         = CB::ENGINE_PROCESS_MODE_BRIDGE;

  137.         engineOptions.transportMode       = CB::ENGINE_TRANSPORT_MODE_BRIDGE;

  138.         engineOptions.forceStereo         = false;

  139.         engineOptions.preferPluginBridges = false;

  140.         engineOptions.preferUiBridges     = false;

  141. #else

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

  143.             return;

  144. 

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

  146. #endif

  147.     }

  148. 

  149.     ~CarlaBackendStandalone()

  150.     {

  151.         CARLA_SAFE_ASSERT(engine == nullptr);

  152. #ifdef HAVE_JUCE_UI

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

  154. #endif

  155.     }

  156. 

  157. #ifdef HAVE_JUCE_UI

  158.     void init()

  159.     {

  160.         JUCE_AUTORELEASEPOOL

  161.         {

  162.             initialiseJuce_GUI();

  163. # ifdef CARLA_OS_LINUX

  164.             juceMsgThread.start();

  165. # else

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

  167.                 msgMgr->setCurrentThreadAsMessageThread();

  168. # endif

  169.         }

  170.     }

  171. 

  172.     void close()

  173.     {

  174.         JUCE_AUTORELEASEPOOL

  175.         {

  176. # ifdef CARLA_OS_LINUX

  177.             juceMsgThread.stop();

  178. # else

  179.             MessageManager::deleteInstance();

  180. # endif

  181.             shutdownJuce_GUI();

  182.         }

  183.     }

  184. 

  185. # ifndef CARLA_OS_LINUX

  186.     void idle()

  187.     {

  188.         JUCE_AUTORELEASEPOOL

  189.         {

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

  191.                 msgMgr->runDispatchLoopUntil(5);

  192.         }

  193.     }

  194. # endif

  195. #endif

  196. 

  197.     CARLA_PREVENT_HEAP_ALLOCATION

  198.     CARLA_DECLARE_NON_COPY_STRUCT(CarlaBackendStandalone)

  199. };

  200. 

  201. static CarlaBackendStandalone gStandalone;

  202. 

  203. // -------------------------------------------------------------------------------------------------------------------

  204. // NSM support

  205. 

  206. #define NSM_API_VERSION_MAJOR 1

  207. #define NSM_API_VERSION_MINOR 2

  208. 

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

  210. #define NSM_CLIENT_FEATURES ":switch:"

  211. 

  212. class CarlaNSM

  213. {

  214. public:

  215.     CarlaNSM() noexcept

  216.         : fOscServer(nullptr),

  217.           fHasBroadcast(false),

  218.           fHasShowHideUI(false) {}

  219. 

  220.     ~CarlaNSM()

  221.     {

  222.         if (fOscServer != nullptr)

  223.         {

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

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

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

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

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

  229.             lo_server_free(fOscServer);

  230.             fOscServer = nullptr;

  231.         }

  232.     }

  233. 

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

  235.     {

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

  237. 

  238.         if (NSM_URL == nullptr)

  239.             return;

  240. 

  241.         const lo_address addr = lo_address_new_from_url(NSM_URL);

  242. 

  243.         if (addr == nullptr)

  244.             return;

  245. 

  246.         const int proto = lo_address_get_protocol(addr);

  247. 

  248.         if (fOscServer == nullptr)

  249.         {

  250.             // create new OSC server

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

  252. 

  253.             // register message handlers and start OSC thread

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

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

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

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

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

  259.             // /nsm/client/session_is_loaded

  260.         }

  261. 

  262. #ifndef BUILD_ANSI_TEST

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

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

  265. #endif

  266. 

  267.         lo_address_free(addr);

  268.     }

  269. 

  270.     void idle() noexcept

  271.     {

  272.         if (fOscServer == nullptr)

  273.             return;

  274. 

  275.         for (;;)

  276.         {

  277.             try {

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

  279.                     break;

  280.             }

  281.             CARLA_SAFE_EXCEPTION_CONTINUE("NSM OSC idle")

  282.         }

  283.     }

  284. 

  285. protected:

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

  287.     {

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

  289. 

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

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

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

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

  294. 

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

  296. 

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

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

  299. 

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

  301. 

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

  303. 

  304.         return 0;

  305. 

  306. #ifndef DEBUG

  307.         // unused

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

  309. #endif

  310.     }

  311. 

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

  313.     {

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

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

  316. 

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

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

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

  320. 

  321.         if (! carla_is_engine_running())

  322.         {

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

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

  325. 

  326.             carla_engine_init("JACK", clientId);

  327.         }

  328.         else

  329.         {

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

  331. 

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

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

  334.         }

  335. 

  336.         fClientId = clientId;

  337. 

  338.         fProjectPath  = projectPath;

  339.         fProjectPath += ".carxp";

  340. 

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

  342. 

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

  344. 

  345. #ifndef BUILD_ANSI_TEST

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

  347. #endif

  348. 

  349. #if 0

  350.         if (fHasBroadcast)

  351.         {

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

  353. 

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

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

  356. 

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

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

  359. 

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

  361. 

  362.             std::free(url);

  363. 

  364.             carla_stdout("Broadcast sent!");

  365.         }

  366.         else

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

  368. #endif

  369. 

  370.         return 0;

  371. 

  372. #ifndef DEBUG

  373.         // unused

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

  375. #endif

  376.     }

  377. 

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

  379.     {

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

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

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

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

  384. 

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

  386. 

  387. #ifndef BUILD_ANSI_TEST

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

  389. #endif

  390. 

  391.         return 0;

  392. 

  393. #ifndef DEBUG

  394.         // unused

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

  396. #endif

  397.     }

  398. 

  399. #if 0

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

  401.     {

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

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

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

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

  406. 

  407. #ifndef BUILD_ANSI_TEST

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

  409. #endif

  410. 

  411.         return 0;

  412.     }

  413. #endif

  414. 

  415. private:

  416.     lo_server fOscServer;

  417. 

  418.     CarlaString fClientId;

  419.     CarlaString fProjectPath;

  420. 

  421.     bool fHasBroadcast;

  422.     bool fHasShowHideUI;

  423. 

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

  425. 

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

  427.     {

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

  429.     }

  430. 

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

  432.     {

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

  434.     }

  435. 

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

  437.     {

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

  439.     }

  440. 

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

  442.     {

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

  444.     }

  445. 

  446. #if 0

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

  448.     {

  449.         return handlePtr->handleShowHideGui(true);

  450.     }

  451. 

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

  453.     {

  454.         return handlePtr->handleShowHideGui(false);

  455.     }

  456. #endif

  457. 

  458.     #undef handlePtr

  459. 

  460.     CARLA_PREVENT_HEAP_ALLOCATION

  461.     CARLA_DECLARE_NON_COPY_CLASS(CarlaNSM)

  462. };

  463. 

  464. static CarlaNSM gNSM;

  465. 

  466. // -------------------------------------------------------------------------------------------------------------------

  467. // Always return a valid string ptr

  468. 

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

  470. 

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

  472. {

  473.     if (charPtr == nullptr)

  474.         charPtr = gNullCharPtr;

  475. }

  476. 

  477. // -------------------------------------------------------------------------------------------------------------------

  478. // Constructors

  479. 

  480. _CarlaPluginInfo::_CarlaPluginInfo() noexcept

  481.     : type(CB::PLUGIN_NONE),

  482.       category(CB::PLUGIN_CATEGORY_NONE),

  483.       hints(0x0),

  484.       optionsAvailable(0x0),

  485.       optionsEnabled(0x0),

  486.       filename(gNullCharPtr),

  487.       name(gNullCharPtr),

  488.       label(gNullCharPtr),

  489.       maker(gNullCharPtr),

  490.       copyright(gNullCharPtr),

  491.       iconName(gNullCharPtr),

  492.       uniqueId(0) {}

  493. 

  494. _CarlaPluginInfo::~_CarlaPluginInfo() noexcept

  495. {

  496.     if (label != gNullCharPtr)

  497.         delete[] label;

  498.     if (maker != gNullCharPtr)

  499.         delete[] maker;

  500.     if (copyright != gNullCharPtr)

  501.         delete[] copyright;

  502. }

  503. 

  504. _CarlaNativePluginInfo::_CarlaNativePluginInfo() noexcept

  505.     : category(CB::PLUGIN_CATEGORY_NONE),

  506.       hints(0x0),

  507.       audioIns(0),

  508.       audioOuts(0),

  509.       midiIns(0),

  510.       midiOuts(0),

  511.       parameterIns(0),

  512.       parameterOuts(0),

  513.       name(gNullCharPtr),

  514.       label(gNullCharPtr),

  515.       maker(gNullCharPtr),

  516.       copyright(gNullCharPtr) {}

  517. 

  518. _CarlaParameterInfo::_CarlaParameterInfo() noexcept

  519.     : name(gNullCharPtr),

  520.       symbol(gNullCharPtr),

  521.       unit(gNullCharPtr),

  522.       scalePointCount(0) {}

  523. 

  524. _CarlaParameterInfo::~_CarlaParameterInfo() noexcept

  525. {

  526.     if (name != gNullCharPtr)

  527.         delete[] name;

  528.     if (symbol != gNullCharPtr)

  529.         delete[] symbol;

  530.     if (unit != gNullCharPtr)

  531.         delete[] unit;

  532. }

  533. 

  534. _CarlaScalePointInfo::_CarlaScalePointInfo() noexcept

  535.     : value(0.0f),

  536.       label(gNullCharPtr) {}

  537. 

  538. _CarlaScalePointInfo::~_CarlaScalePointInfo() noexcept

  539. {

  540.     if (label != gNullCharPtr)

  541.         delete[] label;

  542. }

  543. 

  544. _CarlaTransportInfo::_CarlaTransportInfo() noexcept

  545.     : playing(false),

  546.       frame(0),

  547.       bar(0),

  548.       beat(0),

  549.       tick(0),

  550.       bpm(0.0) {}

  551. 

  552. // -------------------------------------------------------------------------------------------------------------------

  553. // API

  554. 

  555. const char* carla_get_complete_license_text()

  556. {

  557.     carla_debug("carla_get_complete_license_text()");

  558. 

  559.     static CarlaString retText;

  560. 

  561.     if (retText.isEmpty())

  562.     {

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

  564. 

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

  566.         text1 += "<ul>";

  567. 

  568.         // Plugin formats

  569. #ifdef WANT_LADSPA

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

  571. #endif

  572. #ifdef WANT_DSSI

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

  574. #endif

  575. #ifdef WANT_LV2

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

  577. #endif

  578. #ifdef WANT_VST

  579. # ifdef VESTIGE_HEADER

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

  581. # else

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

  583. # endif

  584. #endif

  585. #ifdef WANT_AU

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

  587. #endif

  588. 

  589.         // Sample kit libraries

  590. #ifdef WANT_FLUIDSYNTH

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

  592. #endif

  593. #ifdef WANT_LINUXSAMPLER

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

  595. #endif

  596. 

  597. #ifdef WANT_NATIVE

  598.         // Internal plugins

  599. # ifdef HAVE_OPENGL

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

  601. # endif

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

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

  604. # ifdef WANT_AUDIOFILE

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

  606. # endif

  607. # ifdef WANT_MIDIFILE

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

  609. # endif

  610. # ifdef WANT_ZYNADDSUBFX

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

  612. #  ifdef WANT_ZYNADDSUBFX_UI

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

  614. #  endif

  615. # endif

  616. #endif

  617. 

  618.         // misc libs

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

  620. #ifdef WANT_LV2

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

  622. #endif

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

  624. 

  625.         // end

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

  627. 

  628.         // code snippets

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

  630.         text5 += "<ul>";

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

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

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

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

  635. 

  636. #ifdef WANT_LINUXSAMPLER

  637.         // LinuxSampler GPL exception

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

  639. #endif

  640. 

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

  642.     }

  643. 

  644.     return retText;

  645. }

  646. 

  647. const char* carla_get_supported_file_extensions()

  648. {

  649.     carla_debug("carla_get_supported_file_extensions()");

  650. 

  651.     static CarlaString retText;

  652. 

  653.     if (retText.isEmpty())

  654.     {

  655.         // Base types

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

  657. 

  658.         // Sample kits

  659. #ifdef WANT_FLUIDSYNTH

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

  661. #endif

  662. #ifdef WANT_LINUXSAMPLER

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

  664. #endif

  665. 

  666.         // Files provided by internal plugins

  667. #ifdef WANT_AUDIOFILE

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

  669. # ifdef HAVE_FFMPEG

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

  671. # endif

  672. #endif

  673. #ifdef WANT_MIDIFILE

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

  675. #endif

  676. 

  677.         // Plugin presets

  678. #ifdef WANT_ZYNADDSUBFX

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

  680. #endif

  681.     }

  682. 

  683.     return retText;

  684. }

  685. 

  686. // -------------------------------------------------------------------------------------------------------------------

  687. 

  688. unsigned int carla_get_engine_driver_count()

  689. {

  690.     carla_debug("carla_get_engine_driver_count()");

  691. 

  692.     return CarlaEngine::getDriverCount();

  693. }

  694. 

  695. const char* carla_get_engine_driver_name(unsigned int index)

  696. {

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

  698. 

  699.     return CarlaEngine::getDriverName(index);

  700. }

  701. 

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

  703. {

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

  705. 

  706.     return CarlaEngine::getDriverDeviceNames(index);

  707. }

  708. 

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

  710. {

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

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

  713. 

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

  715.     {

  716.         static EngineDriverDeviceInfo devInfo;

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

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

  719. 

  720.         devInfo.hints       = ret->hints;

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

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

  723.         return &devInfo;

  724.     }

  725. 

  726.     return nullptr;

  727. }

  728. 

  729. // -------------------------------------------------------------------------------------------------------------------

  730. 

  731. unsigned int carla_get_internal_plugin_count()

  732. {

  733.     carla_debug("carla_get_internal_plugin_count()");

  734. 

  735. #ifdef WANT_NATIVE

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

  737. #else

  738.     return 0;

  739. #endif

  740. }

  741. 

  742. const CarlaNativePluginInfo* carla_get_internal_plugin_info(unsigned int index)

  743. {

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

  745. 

  746. #ifdef WANT_NATIVE

  747.     static CarlaNativePluginInfo info;

  748. 

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

  750. 

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

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

  753. 

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

  755.      info.hints    = 0x0;

  756. 

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

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

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

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

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

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

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

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

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

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

  767. 

  768.      info.audioIns  = nativePlugin->audioIns;

  769.      info.audioOuts = nativePlugin->audioOuts;

  770.      info.midiIns   = nativePlugin->midiIns;

  771.      info.midiOuts  = nativePlugin->midiOuts;

  772.      info.parameterIns  = nativePlugin->paramIns;

  773.      info.parameterOuts = nativePlugin->paramOuts;

  774. 

  775.      info.name      = nativePlugin->name;

  776.      info.label     = nativePlugin->label;

  777.      info.maker     = nativePlugin->maker;

  778.      info.copyright = nativePlugin->copyright;

  779. 

  780.      checkStringPtr(info.name);

  781.      checkStringPtr(info.label);

  782.      checkStringPtr(info.maker);

  783.      checkStringPtr(info.copyright);

  784. 

  785.     return &info;

  786. #else

  787.     return nullptr;

  788. 

  789.     // unused

  790.     (void)index;

  791. #endif

  792. }

  793. 

  794. // -------------------------------------------------------------------------------------------------------------------

  795. 

  796. const CarlaEngine* carla_get_engine()

  797. {

  798.     carla_debug("carla_get_engine()");

  799. 

  800.     return gStandalone.engine;

  801. }

  802. 

  803. // -------------------------------------------------------------------------------------------------------------------

  804. 

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

  806. {

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

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

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

  810. 

  811.     if (gStandalone.engine != nullptr)

  812.     {

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

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

  815.         return false;

  816.     }

  817. 

  818. #ifdef CARLA_OS_WIN

  819.     carla_setenv("WINEASIO_CLIENT_NAME", clientName);

  820. #endif

  821. 

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

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

  824.     {

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

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

  827.     }

  828. 

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

  830. 

  831.     if (gStandalone.engine == nullptr)

  832.     {

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

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

  835.         return false;

  836.     }

  837. 

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

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

  840. 

  841. #ifdef BUILD_BRIDGE

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

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

  844. #else

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

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

  847. #endif

  848. 

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

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

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

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

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

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

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

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

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

  858. 

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

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

  861. 

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

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

  864. 

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

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

  867. 

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

  869.     {

  870.         char strBuf[STR_MAX+1];

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

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

  873.     }

  874.     else

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

  876. 

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

  878.     {

  879.         gStandalone.lastError = "No error";

  880. #ifdef HAVE_JUCE_UI

  881.         gStandalone.init();

  882. #endif

  883.         return true;

  884.     }

  885.     else

  886.     {

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

  888.         delete gStandalone.engine;

  889.         gStandalone.engine = nullptr;

  890.         return false;

  891.     }

  892. }

  893. 

  894. #ifdef BUILD_BRIDGE

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

  896. {

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

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

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

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

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

  902. 

  903.     if (gStandalone.engine != nullptr)

  904.     {

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

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

  907.         return false;

  908.     }

  909. 

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

  911. 

  912.     if (gStandalone.engine == nullptr)

  913.     {

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

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

  916.         return false;

  917.     }

  918. 

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

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

  921. 

  922.     // forced options for bridge mode

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

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

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

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

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

  928. 

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

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

  931. 

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

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

  934. 

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

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

  937. 

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

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

  940. 

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

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

  943. 

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

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

  946. 

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

  948.     {

  949.         gStandalone.lastError = "No error";

  950. #ifdef HAVE_JUCE_UI

  951.         gStandalone.init();

  952. #endif

  953.         return true;

  954.     }

  955.     else

  956.     {

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

  958.         delete gStandalone.engine;

  959.         gStandalone.engine = nullptr;

  960.         return false;

  961.     }

  962. }

  963. #endif

  964. 

  965. bool carla_engine_close()

  966. {

  967.     carla_debug("carla_engine_close()");

  968. 

  969.     if (gStandalone.engine == nullptr)

  970.     {

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

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

  973.         return false;

  974.     }

  975. 

  976.     gStandalone.engine->setAboutToClose();

  977.     gStandalone.engine->removeAllPlugins();

  978. 

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

  980. 

  981.     if (! closed)

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

  983. 

  984. #ifdef HAVE_JUCE_UI

  985.     gStandalone.close();

  986. #endif

  987. 

  988.     delete gStandalone.engine;

  989.     gStandalone.engine = nullptr;

  990. 

  991.     return closed;

  992. }

  993. 

  994. void carla_engine_idle()

  995. {

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

  997. 

  998.     gNSM.idle();

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

  1000.     gStandalone.idle();

  1001. #endif

  1002.     gStandalone.engine->idle();

  1003. }

  1004. 

  1005. bool carla_is_engine_running()

  1006. {

  1007.     return (gStandalone.engine != nullptr && gStandalone.engine->isRunning());

  1008. }

  1009. 

  1010. void carla_set_engine_about_to_close()

  1011. {

  1012.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  1013.     carla_debug("carla_set_engine_about_to_close()");

  1014. 

  1015.     gStandalone.engine->setAboutToClose();

  1016. }

  1017. 

  1018. void carla_set_engine_callback(EngineCallbackFunc func, void* ptr)

  1019. {

  1020.     carla_debug("carla_set_engine_callback(%p, %p)", func, ptr);

  1021. 

  1022.     gStandalone.engineCallback    = func;

  1023.     gStandalone.engineCallbackPtr = ptr;

  1024. 

  1025.     if (gStandalone.engine != nullptr)

  1026.         gStandalone.engine->setCallback(func, ptr);

  1027. 

  1028. //#ifdef WANT_LOGS

  1029. //    gLogThread.setCallback(func, ptr);

  1030. //#endif

  1031. }

  1032. 

  1033. #ifndef BUILD_BRIDGE

  1034. void carla_set_engine_option(EngineOption option, int value, const char* valueStr)

  1035. {

  1036.     carla_debug("carla_set_engine_option(%i:%s, %i, \"%s\")", option, CB::EngineOption2Str(option), value, valueStr);

  1037. 

  1038.     switch (option)

  1039.     {

  1040.     case CB::ENGINE_OPTION_DEBUG:

  1041.         break;

  1042. 

  1043.     case CB::ENGINE_OPTION_PROCESS_MODE:

  1044.         CARLA_SAFE_ASSERT_RETURN(value >= CB::ENGINE_PROCESS_MODE_SINGLE_CLIENT && value < CB::ENGINE_PROCESS_MODE_BRIDGE,);

  1045.         gStandalone.engineOptions.processMode = static_cast<CB::EngineProcessMode>(value);

  1046.         break;

  1047. 

  1048.     case CB::ENGINE_OPTION_TRANSPORT_MODE:

  1049.         CARLA_SAFE_ASSERT_RETURN(value >= CB::ENGINE_TRANSPORT_MODE_INTERNAL && value < CB::ENGINE_TRANSPORT_MODE_BRIDGE,);

  1050.         gStandalone.engineOptions.transportMode = static_cast<CB::EngineTransportMode>(value);

  1051.         break;

  1052. 

  1053.     case CB::ENGINE_OPTION_FORCE_STEREO:

  1054.         CARLA_SAFE_ASSERT_RETURN(value == 0 || value == 1,);

  1055.         gStandalone.engineOptions.forceStereo = (value != 0);

  1056.         break;

  1057. 

  1058.     case CB::ENGINE_OPTION_PREFER_PLUGIN_BRIDGES:

  1059.         CARLA_SAFE_ASSERT_RETURN(value == 0 || value == 1,);

  1060.         gStandalone.engineOptions.preferPluginBridges = (value != 0);

  1061.         break;

  1062. 

  1063.     case CB::ENGINE_OPTION_PREFER_UI_BRIDGES:

  1064.         CARLA_SAFE_ASSERT_RETURN(value == 0 || value == 1,);

  1065.         gStandalone.engineOptions.preferUiBridges = (value != 0);

  1066.         break;

  1067. 

  1068.     case CB::ENGINE_OPTION_UIS_ALWAYS_ON_TOP:

  1069.         CARLA_SAFE_ASSERT_RETURN(value == 0 || value == 1,);

  1070.         gStandalone.engineOptions.uisAlwaysOnTop = (value != 0);

  1071.         break;

  1072. 

  1073.     case CB::ENGINE_OPTION_MAX_PARAMETERS:

  1074.         CARLA_SAFE_ASSERT_RETURN(value >= 0,);

  1075.         gStandalone.engineOptions.maxParameters = static_cast<unsigned int>(value);

  1076.         break;

  1077. 

  1078.     case CB::ENGINE_OPTION_UI_BRIDGES_TIMEOUT:

  1079.         CARLA_SAFE_ASSERT_RETURN(value >= 0,);

  1080.         gStandalone.engineOptions.uiBridgesTimeout = static_cast<unsigned int>(value);

  1081.         break;

  1082. 

  1083.     case CB::ENGINE_OPTION_AUDIO_NUM_PERIODS:

  1084.         CARLA_SAFE_ASSERT_RETURN(value >= 2 && value <= 3,);

  1085.         gStandalone.engineOptions.audioNumPeriods = static_cast<unsigned int>(value);

  1086.         break;

  1087. 

  1088.     case CB::ENGINE_OPTION_AUDIO_BUFFER_SIZE:

  1089.         CARLA_SAFE_ASSERT_RETURN(value >= 8,);

  1090.         gStandalone.engineOptions.audioBufferSize = static_cast<unsigned int>(value);

  1091.         break;

  1092. 

  1093.     case CB::ENGINE_OPTION_AUDIO_SAMPLE_RATE:

  1094.         CARLA_SAFE_ASSERT_RETURN(value >= 22050,);

  1095.         gStandalone.engineOptions.audioSampleRate = static_cast<unsigned int>(value);

  1096.         break;

  1097. 

  1098.     case CB::ENGINE_OPTION_AUDIO_DEVICE:

  1099.         CARLA_SAFE_ASSERT_RETURN(valueStr != nullptr,);

  1100. 

  1101.         if (gStandalone.engineOptions.audioDevice != nullptr)

  1102.             delete[] gStandalone.engineOptions.audioDevice;

  1103. 

  1104.         gStandalone.engineOptions.audioDevice = carla_strdup(valueStr);

  1105.         break;

  1106. 

  1107.     case CB:: ENGINE_OPTION_NSM_INIT:

  1108.         CARLA_SAFE_ASSERT_RETURN(value != 0,);

  1109.         CARLA_SAFE_ASSERT_RETURN(valueStr != nullptr && valueStr[0] != '\0',);

  1110.         gNSM.announce(value, valueStr);

  1111.         break;

  1112. 

  1113.     case CB::ENGINE_OPTION_PATH_BINARIES:

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

  1115. 

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

  1117.             delete[] gStandalone.engineOptions.binaryDir;

  1118. 

  1119.         gStandalone.engineOptions.binaryDir = carla_strdup(valueStr);

  1120.         break;

  1121. 

  1122.     case CB::ENGINE_OPTION_PATH_RESOURCES:

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

  1124. 

  1125.         if (gStandalone.engineOptions.resourceDir != nullptr)

  1126.             delete[] gStandalone.engineOptions.resourceDir;

  1127. 

  1128.         gStandalone.engineOptions.resourceDir = carla_strdup(valueStr);

  1129.         break;

  1130. 

  1131.     case CB::ENGINE_OPTION_FRONTEND_WIN_ID:

  1132.         CARLA_SAFE_ASSERT_RETURN(valueStr != nullptr && valueStr[0] != '\0',);

  1133.         const long long winId(std::strtoll(valueStr, nullptr, 16));

  1134.         CARLA_SAFE_ASSERT_RETURN(winId >= 0,);

  1135.         gStandalone.engineOptions.frontendWinId = static_cast<uintptr_t>(winId);

  1136.         break;

  1137.     }

  1138. 

  1139.     if (gStandalone.engine != nullptr)

  1140.         gStandalone.engine->setOption(option, value, valueStr);

  1141. }

  1142. #endif

  1143. 

  1144. void carla_set_file_callback(FileCallbackFunc func, void* ptr)

  1145. {

  1146.     carla_debug("carla_set_file_callback(%p, %p)", func, ptr);

  1147. 

  1148.     gStandalone.fileCallback    = func;

  1149.     gStandalone.fileCallbackPtr = ptr;

  1150. 

  1151.     if (gStandalone.engine != nullptr)

  1152.         gStandalone.engine->setFileCallback(func, ptr);

  1153. }

  1154. 

  1155. // -------------------------------------------------------------------------------------------------------------------

  1156. 

  1157. bool carla_load_file(const char* filename)

  1158. {

  1159.     CARLA_SAFE_ASSERT_RETURN(filename != nullptr && filename[0] != '\0', false);

  1160.     carla_debug("carla_load_file(\"%s\")", filename);

  1161. 

  1162.     if (gStandalone.engine != nullptr)

  1163.         return gStandalone.engine->loadFile(filename);

  1164. 

  1165.     carla_stderr2("Engine is not running");

  1166.     gStandalone.lastError = "Engine is not running";

  1167.     return false;

  1168. }

  1169. 

  1170. bool carla_load_project(const char* filename)

  1171. {

  1172.     CARLA_SAFE_ASSERT_RETURN(filename != nullptr && filename[0] != '\0', false);

  1173.     carla_debug("carla_load_project(\"%s\")", filename);

  1174. 

  1175.     if (gStandalone.engine != nullptr)

  1176.         return gStandalone.engine->loadProject(filename);

  1177. 

  1178.     carla_stderr2("Engine is not running");

  1179.     gStandalone.lastError = "Engine is not running";

  1180.     return false;

  1181. }

  1182. 

  1183. bool carla_save_project(const char* filename)

  1184. {

  1185.     CARLA_SAFE_ASSERT_RETURN(filename != nullptr && filename[0] != '\0', false);

  1186.     carla_debug("carla_save_project(\"%s\")", filename);

  1187. 

  1188.     if (gStandalone.engine != nullptr)

  1189.         return gStandalone.engine->saveProject(filename);

  1190. 

  1191.     carla_stderr2("Engine was never initiated");

  1192.     gStandalone.lastError = "Engine was never initiated";

  1193.     return false;

  1194. }

  1195. 

  1196. #ifndef BUILD_BRIDGE

  1197. // -------------------------------------------------------------------------------------------------------------------

  1198. 

  1199. bool carla_patchbay_connect(uint groupIdA, uint portIdA, uint groupIdB, uint portIdB)

  1200. {

  1201.     carla_debug("carla_patchbay_connect(%u, %u, %u, %u)", groupIdA, portIdA, groupIdB, portIdB);

  1202. 

  1203.     if (gStandalone.engine != nullptr)

  1204.         return gStandalone.engine->patchbayConnect(groupIdA, portIdA, groupIdB, portIdB);

  1205. 

  1206.     carla_stderr2("Engine is not running");

  1207.     gStandalone.lastError = "Engine is not running";

  1208.     return false;

  1209. }

  1210. 

  1211. bool carla_patchbay_disconnect(uint connectionId)

  1212. {

  1213.     carla_debug("carla_patchbay_disconnect(%i)", connectionId);

  1214. 

  1215.     if (gStandalone.engine != nullptr)

  1216.         return gStandalone.engine->patchbayDisconnect(connectionId);

  1217. 

  1218.     carla_stderr2("Engine is not running");

  1219.     gStandalone.lastError = "Engine is not running";

  1220.     return false;

  1221. }

  1222. 

  1223. bool carla_patchbay_refresh()

  1224. {

  1225.     carla_debug("carla_patchbay_refresh()");

  1226. 

  1227.     if (gStandalone.engine != nullptr)

  1228.         return gStandalone.engine->patchbayRefresh();

  1229. 

  1230.     carla_stderr2("Engine is not running");

  1231.     gStandalone.lastError = "Engine is not running";

  1232.     return false;

  1233. }

  1234. #endif

  1235. 

  1236. // -------------------------------------------------------------------------------------------------------------------

  1237. 

  1238. void carla_transport_play()

  1239. {

  1240.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr && gStandalone.engine->isRunning(),);

  1241.     carla_debug("carla_transport_play()");

  1242. 

  1243.     gStandalone.engine->transportPlay();

  1244. }

  1245. 

  1246. void carla_transport_pause()

  1247. {

  1248.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr && gStandalone.engine->isRunning(),);

  1249.     carla_debug("carla_transport_pause()");

  1250. 

  1251.     gStandalone.engine->transportPause();

  1252. }

  1253. 

  1254. void carla_transport_relocate(uint64_t frame)

  1255. {

  1256.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr && gStandalone.engine->isRunning(),);

  1257.     carla_debug("carla_transport_relocate(%i)", frame);

  1258. 

  1259.     gStandalone.engine->transportRelocate(frame);

  1260. }

  1261. 

  1262. uint64_t carla_get_current_transport_frame()

  1263. {

  1264.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr && gStandalone.engine->isRunning(), 0);

  1265. 

  1266.     const CB::EngineTimeInfo& timeInfo(gStandalone.engine->getTimeInfo());

  1267.     return timeInfo.frame;

  1268. }

  1269. 

  1270. const CarlaTransportInfo* carla_get_transport_info()

  1271. {

  1272.     static CarlaTransportInfo retInfo;

  1273. 

  1274.     // reset

  1275.     retInfo.playing = false;

  1276.     retInfo.frame   = 0;

  1277.     retInfo.bar     = 0;

  1278.     retInfo.beat    = 0;

  1279.     retInfo.tick    = 0;

  1280.     retInfo.bpm     = 0.0;

  1281. 

  1282.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr && gStandalone.engine->isRunning(), &retInfo);

  1283. 

  1284.     const CB::EngineTimeInfo& timeInfo(gStandalone.engine->getTimeInfo());

  1285. 

  1286.     retInfo.playing = timeInfo.playing;

  1287.     retInfo.frame   = timeInfo.frame;

  1288. 

  1289.     if (timeInfo.valid & CB::EngineTimeInfo::kValidBBT)

  1290.     {

  1291.         retInfo.bar  = timeInfo.bbt.bar;

  1292.         retInfo.beat = timeInfo.bbt.beat;

  1293.         retInfo.tick = timeInfo.bbt.tick;

  1294.         retInfo.bpm  = timeInfo.bbt.beatsPerMinute;

  1295.     }

  1296. 

  1297.     return &retInfo;

  1298. }

  1299. 

  1300. // -------------------------------------------------------------------------------------------------------------------

  1301. 

  1302. bool carla_add_plugin(BinaryType btype, PluginType ptype, const char* filename, const char* name, const char* label, int64_t uniqueId, const void* extraPtr)

  1303. {

  1304.     CARLA_SAFE_ASSERT_RETURN(label != nullptr /*&& label[0] != '\0'*/, false);

  1305.     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);

  1306. 

  1307.     if (gStandalone.engine != nullptr)

  1308.         return gStandalone.engine->addPlugin(btype, ptype, filename, name, label, uniqueId, extraPtr);

  1309. 

  1310.     carla_stderr2("Engine is not running");

  1311.     gStandalone.lastError = "Engine is not running";

  1312.     return false;

  1313. }

  1314. 

  1315. bool carla_remove_plugin(uint pluginId)

  1316. {

  1317.     carla_debug("carla_remove_plugin(%i)", pluginId);

  1318. 

  1319.     if (gStandalone.engine != nullptr)

  1320.         return gStandalone.engine->removePlugin(pluginId);

  1321. 

  1322.     carla_stderr2("Engine is not running");

  1323.     gStandalone.lastError = "Engine is not running";

  1324.     return false;

  1325. }

  1326. 

  1327. bool carla_remove_all_plugins()

  1328. {

  1329.     carla_debug("carla_remove_all_plugins()");

  1330. 

  1331.     if (gStandalone.engine != nullptr)

  1332.         return gStandalone.engine->removeAllPlugins();

  1333. 

  1334.     carla_stderr2("Engine is not running");

  1335.     gStandalone.lastError = "Engine is not running";

  1336.     return false;

  1337. }

  1338. 

  1339. const char* carla_rename_plugin(uint pluginId, const char* newName)

  1340. {

  1341.     CARLA_SAFE_ASSERT_RETURN(newName != nullptr && newName[0] != '\0', nullptr);

  1342.     carla_debug("carla_rename_plugin(%i, \"%s\")", pluginId, newName);

  1343. 

  1344.     if (gStandalone.engine != nullptr)

  1345.         return gStandalone.engine->renamePlugin(pluginId, newName);

  1346. 

  1347.     carla_stderr2("Engine is not running");

  1348.     gStandalone.lastError = "Engine is not running";

  1349.     return nullptr;

  1350. }

  1351. 

  1352. bool carla_clone_plugin(uint pluginId)

  1353. {

  1354.     carla_debug("carla_clone_plugin(%i)", pluginId);

  1355. 

  1356.     if (gStandalone.engine != nullptr)

  1357.         return gStandalone.engine->clonePlugin(pluginId);

  1358. 

  1359.     carla_stderr2("Engine is not running");

  1360.     gStandalone.lastError = "Engine is not running";

  1361.     return false;

  1362. }

  1363. 

  1364. bool carla_replace_plugin(uint pluginId)

  1365. {

  1366.     carla_debug("carla_replace_plugin(%i)", pluginId);

  1367. 

  1368.     if (gStandalone.engine != nullptr)

  1369.         return gStandalone.engine->replacePlugin(pluginId);

  1370. 

  1371.     carla_stderr2("Engine is not running");

  1372.     gStandalone.lastError = "Engine is not running";

  1373.     return false;

  1374. }

  1375. 

  1376. bool carla_switch_plugins(uint pluginIdA, uint pluginIdB)

  1377. {

  1378.     CARLA_SAFE_ASSERT_RETURN(pluginIdA != pluginIdB, false);

  1379.     carla_debug("carla_switch_plugins(%i, %i)", pluginIdA, pluginIdB);

  1380. 

  1381.     if (gStandalone.engine != nullptr)

  1382.         return gStandalone.engine->switchPlugins(pluginIdA, pluginIdB);

  1383. 

  1384.     carla_stderr2("Engine is not running");

  1385.     gStandalone.lastError = "Engine is not running";

  1386.     return false;

  1387. }

  1388. 

  1389. // -------------------------------------------------------------------------------------------------------------------

  1390. 

  1391. bool carla_load_plugin_state(uint pluginId, const char* filename)

  1392. {

  1393.     CARLA_SAFE_ASSERT_RETURN(filename != nullptr && filename[0] != '\0', false);

  1394.     carla_debug("carla_load_plugin_state(%i, \"%s\")", pluginId, filename);

  1395. 

  1396.     if (gStandalone.engine == nullptr || ! gStandalone.engine->isRunning())

  1397.     {

  1398.         carla_stderr2("Engine is not running");

  1399.         gStandalone.lastError = "Engine is not running";

  1400.         return false;

  1401.     }

  1402. 

  1403.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1404.         return plugin->loadStateFromFile(filename);

  1405. 

  1406.     carla_stderr2("carla_load_plugin_state(%i, \"%s\") - could not find plugin", pluginId, filename);

  1407.     return false;

  1408. }

  1409. 

  1410. bool carla_save_plugin_state(uint pluginId, const char* filename)

  1411. {

  1412.     CARLA_SAFE_ASSERT_RETURN(filename != nullptr && filename[0] != '\0', false);

  1413.     carla_debug("carla_save_plugin_state(%i, \"%s\")", pluginId, filename);

  1414. 

  1415.     if (gStandalone.engine == nullptr)

  1416.     {

  1417.         carla_stderr2("Engine is not running");

  1418.         gStandalone.lastError = "Engine is not running";

  1419.         return false;

  1420.     }

  1421. 

  1422.     // allow to save even if engine isn't running

  1423. 

  1424.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1425.         return plugin->saveStateToFile(filename);

  1426. 

  1427.     carla_stderr2("carla_save_plugin_state(%i, \"%s\") - could not find plugin", pluginId, filename);

  1428.     return false;

  1429. }

  1430. 

  1431. // -------------------------------------------------------------------------------------------------------------------

  1432. 

  1433. const CarlaPluginInfo* carla_get_plugin_info(uint pluginId)

  1434. {

  1435.     carla_debug("carla_get_plugin_info(%i)", pluginId);

  1436. 

  1437.     static CarlaPluginInfo info;

  1438. 

  1439.     // reset

  1440.     info.type             = CB::PLUGIN_NONE;

  1441.     info.category         = CB::PLUGIN_CATEGORY_NONE;

  1442.     info.hints            = 0x0;

  1443.     info.optionsAvailable = 0x0;

  1444.     info.optionsEnabled   = 0x0;

  1445.     info.filename         = gNullCharPtr;

  1446.     info.name             = gNullCharPtr;

  1447.     info.iconName         = gNullCharPtr;

  1448.     info.uniqueId         = 0;

  1449. 

  1450.     // cleanup

  1451.     if (info.label != gNullCharPtr)

  1452.     {

  1453.         delete[] info.label;

  1454.         info.label = gNullCharPtr;

  1455.     }

  1456. 

  1457.     if (info.maker != gNullCharPtr)

  1458.     {

  1459.         delete[] info.maker;

  1460.         info.maker = gNullCharPtr;

  1461.     }

  1462. 

  1463.     if (info.copyright != gNullCharPtr)

  1464.     {

  1465.         delete[] info.copyright;

  1466.         info.copyright = gNullCharPtr;

  1467.     }

  1468. 

  1469.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, &info);

  1470. 

  1471.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1472.     {

  1473.         char strBufLabel[STR_MAX+1];

  1474.         char strBufMaker[STR_MAX+1];

  1475.         char strBufCopyright[STR_MAX+1];

  1476. 

  1477.         carla_zeroChar(strBufLabel, STR_MAX+1);

  1478.         carla_zeroChar(strBufMaker, STR_MAX+1);

  1479.         carla_zeroChar(strBufCopyright, STR_MAX+1);

  1480. 

  1481.         info.type     = plugin->getType();

  1482.         info.category = plugin->getCategory();

  1483.         info.hints    = plugin->getHints();

  1484.         info.filename = plugin->getFilename();

  1485.         info.name     = plugin->getName();

  1486.         info.iconName = plugin->getIconName();

  1487.         info.uniqueId = plugin->getUniqueId();

  1488. 

  1489.         info.optionsAvailable = plugin->getOptionsAvailable();

  1490.         info.optionsEnabled   = plugin->getOptionsEnabled();

  1491. 

  1492.         plugin->getLabel(strBufLabel);

  1493.         info.label = carla_strdup(strBufLabel);

  1494. 

  1495.         plugin->getMaker(strBufMaker);

  1496.         info.maker = carla_strdup(strBufMaker);

  1497. 

  1498.         plugin->getCopyright(strBufCopyright);

  1499.         info.copyright = carla_strdup(strBufCopyright);

  1500. 

  1501.         checkStringPtr(info.filename);

  1502.         checkStringPtr(info.name);

  1503.         checkStringPtr(info.iconName);

  1504. 

  1505.         return &info;

  1506.     }

  1507. 

  1508.     carla_stderr2("carla_get_plugin_info(%i) - could not find plugin", pluginId);

  1509.     return &info;

  1510. }

  1511. 

  1512. const CarlaPortCountInfo* carla_get_audio_port_count_info(uint pluginId)

  1513. {

  1514.     carla_debug("carla_get_audio_port_count_info(%i)", pluginId);

  1515. 

  1516.     static CarlaPortCountInfo info;

  1517. 

  1518.     // reset

  1519.     info.ins   = 0;

  1520.     info.outs  = 0;

  1521. 

  1522.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, &info);

  1523. 

  1524.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1525.     {

  1526.         info.ins   = plugin->getAudioInCount();

  1527.         info.outs  = plugin->getAudioOutCount();

  1528.         return &info;

  1529.     }

  1530. 

  1531.     carla_stderr2("carla_get_audio_port_count_info(%i) - could not find plugin", pluginId);

  1532.     return &info;

  1533. }

  1534. 

  1535. const CarlaPortCountInfo* carla_get_midi_port_count_info(uint pluginId)

  1536. {

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

  1538. 

  1539.     static CarlaPortCountInfo info;

  1540. 

  1541.     // reset

  1542.     info.ins   = 0;

  1543.     info.outs  = 0;

  1544. 

  1545.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, &info);

  1546. 

  1547.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1548.     {

  1549.         info.ins   = plugin->getMidiInCount();

  1550.         info.outs  = plugin->getMidiOutCount();

  1551.         return &info;

  1552.     }

  1553. 

  1554.     carla_stderr2("carla_get_midi_port_count_info(%i) - could not find plugin", pluginId);

  1555.     return &info;

  1556. }

  1557. 

  1558. const CarlaPortCountInfo* carla_get_parameter_count_info(uint pluginId)

  1559. {

  1560.     carla_debug("carla_get_parameter_count_info(%i)", pluginId);

  1561. 

  1562.     static CarlaPortCountInfo info;

  1563. 

  1564.     // reset

  1565.     info.ins   = 0;

  1566.     info.outs  = 0;

  1567. 

  1568.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, &info);

  1569. 

  1570.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1571.     {

  1572.         plugin->getParameterCountInfo(info.ins, info.outs);

  1573.         return &info;

  1574.     }

  1575. 

  1576.     carla_stderr2("carla_get_parameter_count_info(%i) - could not find plugin", pluginId);

  1577.     return &info;

  1578. }

  1579. 

  1580. const CarlaParameterInfo* carla_get_parameter_info(uint pluginId, uint32_t parameterId)

  1581. {

  1582.     carla_debug("carla_get_parameter_info(%i, %i)", pluginId, parameterId);

  1583. 

  1584.     static CarlaParameterInfo info;

  1585. 

  1586.     // reset

  1587.     info.scalePointCount = 0;

  1588. 

  1589.     // cleanup

  1590.     if (info.name != gNullCharPtr)

  1591.     {

  1592.         delete[] info.name;

  1593.         info.name = gNullCharPtr;

  1594.     }

  1595. 

  1596.     if (info.symbol != gNullCharPtr)

  1597.     {

  1598.         delete[] info.symbol;

  1599.         info.symbol = gNullCharPtr;

  1600.     }

  1601. 

  1602.     if (info.unit != gNullCharPtr)

  1603.     {

  1604.         delete[] info.unit;

  1605.         info.unit = gNullCharPtr;

  1606.     }

  1607. 

  1608.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, &info);

  1609. 

  1610.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1611.     {

  1612.         if (parameterId < plugin->getParameterCount())

  1613.         {

  1614.             char strBufName[STR_MAX+1];

  1615.             char strBufSymbol[STR_MAX+1];

  1616.             char strBufUnit[STR_MAX+1];

  1617. 

  1618.             carla_zeroChar(strBufName, STR_MAX+1);

  1619.             carla_zeroChar(strBufSymbol, STR_MAX+1);

  1620.             carla_zeroChar(strBufUnit, STR_MAX+1);

  1621. 

  1622.             info.scalePointCount = plugin->getParameterScalePointCount(parameterId);

  1623. 

  1624.             plugin->getParameterName(parameterId, strBufName);

  1625.             info.name = carla_strdup(strBufName);

  1626. 

  1627.             plugin->getParameterSymbol(parameterId, strBufSymbol);

  1628.             info.symbol = carla_strdup(strBufSymbol);

  1629. 

  1630.             plugin->getParameterUnit(parameterId, strBufUnit);

  1631.             info.unit = carla_strdup(strBufUnit);

  1632.         }

  1633.         else

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

  1635. 

  1636.         return &info;

  1637.     }

  1638. 

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

  1640.     return &info;

  1641. }

  1642. 

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

  1644. {

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

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

  1647. 

  1648.     static CarlaScalePointInfo info;

  1649. 

  1650.     // reset

  1651.     info.value = 0.0f;

  1652. 

  1653.     // cleanup

  1654.     if (info.label != gNullCharPtr)

  1655.     {

  1656.         delete[] info.label;

  1657.         info.label = gNullCharPtr;

  1658.     }

  1659. 

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

  1661. 

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

  1663.     {

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

  1665.         {

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

  1667.             {

  1668.                 char strBufLabel[STR_MAX+1];

  1669.                 carla_zeroChar(strBufLabel, STR_MAX+1);

  1670. 

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

  1672. 

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

  1674.                 info.label = carla_strdup(strBufLabel);

  1675.             }

  1676.             else

  1677.                 carla_stderr2("carla_get_parameter_scalepoint_info(%i, %i, %i) - scalePointId out of bounds", pluginId, parameterId, scalePointId);

  1678.         }

  1679.         else

  1680.             carla_stderr2("carla_get_parameter_scalepoint_info(%i, %i, %i) - parameterId out of bounds", pluginId, parameterId, scalePointId);

  1681. 

  1682.         return &info;

  1683.     }

  1684. 

  1685.     carla_stderr2("carla_get_parameter_scalepoint_info(%i, %i, %i) - could not find plugin", pluginId, parameterId, scalePointId);

  1686.     return &info;

  1687. }

  1688. 

  1689. // -------------------------------------------------------------------------------------------------------------------

  1690. 

  1691. const ParameterData* carla_get_parameter_data(uint pluginId, uint32_t parameterId)

  1692. {

  1693.     carla_debug("carla_get_parameter_data(%i, %i)", pluginId, parameterId);

  1694. 

  1695.     static const ParameterData fallbackParameterData = { CB::PARAMETER_UNKNOWN, 0x0, CB::PARAMETER_NULL, -1, -1, 0 };

  1696. 

  1697.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, &fallbackParameterData);

  1698. 

  1699.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1700.     {

  1701.         if (parameterId < plugin->getParameterCount())

  1702.             return &plugin->getParameterData(parameterId);

  1703. 

  1704.         carla_stderr2("carla_get_parameter_data(%i, %i) - parameterId out of bounds", pluginId, parameterId);

  1705.         return &fallbackParameterData;

  1706.     }

  1707. 

  1708.     carla_stderr2("carla_get_parameter_data(%i, %i) - could not find plugin", pluginId, parameterId);

  1709.     return &fallbackParameterData;

  1710. }

  1711. 

  1712. const ParameterRanges* carla_get_parameter_ranges(uint pluginId, uint32_t parameterId)

  1713. {

  1714.     carla_debug("carla_get_parameter_ranges(%i, %i)", pluginId, parameterId);

  1715. 

  1716.     static const ParameterRanges fallbackParamRanges = { 0.0f, 0.0f, 1.0f, 0.01f, 0.0001f, 0.1f };

  1717. 

  1718.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, &fallbackParamRanges);

  1719. 

  1720.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1721.     {

  1722.         if (parameterId < plugin->getParameterCount())

  1723.             return &plugin->getParameterRanges(parameterId);

  1724. 

  1725.         carla_stderr2("carla_get_parameter_ranges(%i, %i) - parameterId out of bounds", pluginId, parameterId);

  1726.         return &fallbackParamRanges;

  1727.     }

  1728. 

  1729.     carla_stderr2("carla_get_parameter_ranges(%i, %i) - could not find plugin", pluginId, parameterId);

  1730.     return &fallbackParamRanges;

  1731. }

  1732. 

  1733. const MidiProgramData* carla_get_midi_program_data(uint pluginId, uint32_t midiProgramId)

  1734. {

  1735.     carla_debug("carla_get_midi_program_data(%i, %i)", pluginId, midiProgramId);

  1736. 

  1737.     static MidiProgramData midiProgData;

  1738. 

  1739.     // reset

  1740.     midiProgData.bank    = 0;

  1741.     midiProgData.program = 0;

  1742.     midiProgData.name    = gNullCharPtr;

  1743. 

  1744.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, &midiProgData);

  1745. 

  1746.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1747.     {

  1748.         if (midiProgramId < plugin->getMidiProgramCount())

  1749.         {

  1750.             const MidiProgramData& ret(plugin->getMidiProgramData(midiProgramId));

  1751.             carla_copyStruct<MidiProgramData>(midiProgData, ret);

  1752.             checkStringPtr(midiProgData.name);

  1753.             return &midiProgData;

  1754.         }

  1755. 

  1756.         carla_stderr2("carla_get_midi_program_data(%i, %i) - midiProgramId out of bounds", pluginId, midiProgramId);

  1757.         return &midiProgData;

  1758.     }

  1759. 

  1760.     carla_stderr2("carla_get_midi_program_data(%i, %i) - could not find plugin", pluginId, midiProgramId);

  1761.     return &midiProgData;

  1762. }

  1763. 

  1764. const CustomData* carla_get_custom_data(uint pluginId, uint32_t customDataId)

  1765. {

  1766.     carla_debug("carla_get_custom_data(%i, %i)", pluginId, customDataId);

  1767. 

  1768.     static CustomData customData;

  1769. 

  1770.     // reset

  1771.     customData.type  = gNullCharPtr;

  1772.     customData.key   = gNullCharPtr;

  1773.     customData.value = gNullCharPtr;

  1774. 

  1775.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, &customData);

  1776. 

  1777.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1778.     {

  1779.         if (customDataId < plugin->getCustomDataCount())

  1780.         {

  1781.             const CustomData& ret(plugin->getCustomData(customDataId));

  1782.             carla_copyStruct<CustomData>(customData, ret);

  1783.             checkStringPtr(customData.type);

  1784.             checkStringPtr(customData.key);

  1785.             checkStringPtr(customData.value);

  1786.             return &customData;

  1787.         }

  1788. 

  1789.         carla_stderr2("carla_get_custom_data(%i, %i) - customDataId out of bounds", pluginId, customDataId);

  1790.         return &customData;

  1791.     }

  1792. 

  1793.     carla_stderr2("carla_get_custom_data(%i, %i) - could not find plugin", pluginId, customDataId);

  1794.     return &customData;

  1795. }

  1796. 

  1797. const char* carla_get_chunk_data(uint pluginId)

  1798. {

  1799.     carla_debug("carla_get_chunk_data(%i)", pluginId);

  1800. 

  1801.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, nullptr);

  1802. 

  1803.     static CarlaString chunkData;

  1804. 

  1805.     // cleanup

  1806.     chunkData.clear();

  1807. 

  1808.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  1809.     {

  1810.         if (plugin->getOptionsEnabled() & CB::PLUGIN_OPTION_USE_CHUNKS)

  1811.         {

  1812.             void* data = nullptr;

  1813.             const int32_t dataSize(plugin->getChunkData(&data));

  1814. 

  1815.             if (data != nullptr && dataSize > 0)

  1816.             {

  1817.                 chunkData = QByteArray((char*)data, dataSize).toBase64().constData();

  1818. 

  1819.                 return chunkData;

  1820.             }

  1821.             else

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

  1823.         }

  1824.         else

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

  1826. 

  1827.         return nullptr;

  1828.     }

  1829. 

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

  1831.     return nullptr;

  1832. }

  1833. 

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

  1835. 

  1836. uint32_t carla_get_parameter_count(uint pluginId)

  1837. {

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

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

  1840. 

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

  1842.         return plugin->getParameterCount();

  1843. 

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

  1845.     return 0;

  1846. }

  1847. 

  1848. uint32_t carla_get_program_count(uint pluginId)

  1849. {

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

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

  1852. 

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

  1854.         return plugin->getProgramCount();

  1855. 

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

  1857.     return 0;

  1858. }

  1859. 

  1860. uint32_t carla_get_midi_program_count(uint pluginId)

  1861. {

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

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

  1864. 

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

  1866.         return plugin->getMidiProgramCount();

  1867. 

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

  1869.     return 0;

  1870. }

  1871. 

  1872. uint32_t carla_get_custom_data_count(uint pluginId)

  1873. {

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

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

  1876. 

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

  1878.         return plugin->getCustomDataCount();

  1879. 

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

  1881.     return 0;

  1882. }

  1883. 

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

  1885. 

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

  1887. {

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

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

  1890. 

  1891.     static char textBuf[STR_MAX+1];

  1892. 

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

  1894.     {

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

  1896.         {

  1897.             carla_zeroChar(textBuf, STR_MAX+1);

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

  1899.             return textBuf;

  1900.         }

  1901. 

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

  1903.         return nullptr;

  1904.     }

  1905. 

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

  1907.     return nullptr;

  1908. }

  1909. 

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

  1911. {

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

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

  1914. 

  1915.     static char programName[STR_MAX+1];

  1916. 

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

  1918.     {

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

  1920.         {

  1921.             carla_zeroChar(programName, STR_MAX+1);

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

  1923.             return programName;

  1924.         }

  1925. 

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

  1927.         return nullptr;

  1928.     }

  1929. 

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

  1931.     return nullptr;

  1932. }

  1933. 

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

  1935. {

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

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

  1938. 

  1939.     static char midiProgramName[STR_MAX+1];

  1940. 

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

  1942.     {

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

  1944.         {

  1945.             carla_zeroChar(midiProgramName, STR_MAX+1);

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

  1947.             return midiProgramName;

  1948.         }

  1949. 

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

  1951.         return nullptr;

  1952.     }

  1953. 

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

  1955.     return nullptr;

  1956. }

  1957. 

  1958. const char* carla_get_real_plugin_name(uint pluginId)

  1959. {

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

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

  1962. 

  1963.     static char realPluginName[STR_MAX+1];

  1964. 

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

  1966.     {

  1967.         carla_zeroChar(realPluginName, STR_MAX+1);

  1968.         plugin->getRealName(realPluginName);

  1969.         return realPluginName;

  1970.     }

  1971. 

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

  1973.     return nullptr;

  1974. }

  1975. 

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

  1977. 

  1978. int32_t carla_get_current_program_index(uint pluginId)

  1979. {

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

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

  1982. 

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

  1984.         return plugin->getCurrentProgram();

  1985. 

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

  1987.     return -1;

  1988. }

  1989. 

  1990. int32_t carla_get_current_midi_program_index(uint pluginId)

  1991. {

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

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

  1994. 

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

  1996.         return plugin->getCurrentMidiProgram();

  1997. 

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

  1999.     return -1;

  2000. }

  2001. 

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

  2003. 

  2004. float carla_get_default_parameter_value(uint pluginId, uint32_t parameterId)

  2005. {

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

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

  2008. 

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

  2010.     {

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

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

  2013. 

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

  2015.         return 0.0f;

  2016.     }

  2017. 

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

  2019.     return 0.0f;

  2020. }

  2021. 

  2022. float carla_get_current_parameter_value(uint pluginId, uint32_t parameterId)

  2023. {

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

  2025. 

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

  2027.     {

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

  2029.             return plugin->getParameterValue(parameterId);

  2030. 

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

  2032.         return 0.0f;

  2033.     }

  2034. 

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

  2036.     return 0.0f;

  2037. }

  2038. 

  2039. float carla_get_internal_parameter_value(uint pluginId, int32_t parameterId)

  2040. {

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

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

  2043. 

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

  2045.         return plugin->getInternalParameterValue(parameterId);

  2046. 

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

  2048.     return 0.0f;

  2049. }

  2050. 

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

  2052. 

  2053. float carla_get_input_peak_value(uint pluginId, bool isLeft)

  2054. {

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

  2056. 

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

  2058. }

  2059. 

  2060. float carla_get_output_peak_value(uint pluginId, bool isLeft)

  2061. {

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

  2063. 

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

  2065. }

  2066. 

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

  2068. 

  2069. void carla_set_option(uint pluginId, uint option, bool yesNo)

  2070. {

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

  2072.     carla_debug("carla_set_option(%i, %i, %s)", pluginId, option, bool2str(yesNo));

  2073. 

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

  2075.         return plugin->setOption(option, yesNo);

  2076. 

  2077.     carla_stderr2("carla_set_option(%i, %i, %s) - could not find plugin", pluginId, option, bool2str(yesNo));

  2078. }

  2079. 

  2080. void carla_set_active(uint pluginId, bool onOff)

  2081. {

  2082.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  2083.     carla_debug("carla_set_active(%i, %s)", pluginId, bool2str(onOff));

  2084. 

  2085.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2086.         return plugin->setActive(onOff, true, false);

  2087. 

  2088.     carla_stderr2("carla_set_active(%i, %s) - could not find plugin", pluginId, bool2str(onOff));

  2089. }

  2090. 

  2091. #ifndef BUILD_BRIDGE

  2092. void carla_set_drywet(uint pluginId, float value)

  2093. {

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

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

  2096. 

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

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

  2099. 

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

  2101. }

  2102. 

  2103. void carla_set_volume(uint pluginId, float value)

  2104. {

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

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

  2107. 

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

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

  2110. 

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

  2112. }

  2113. 

  2114. void carla_set_balance_left(uint pluginId, float value)

  2115. {

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

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

  2118. 

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

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

  2121. 

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

  2123. }

  2124. 

  2125. void carla_set_balance_right(uint pluginId, float value)

  2126. {

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

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

  2129. 

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

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

  2132. 

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

  2134. }

  2135. 

  2136. void carla_set_panning(uint pluginId, float value)

  2137. {

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

  2139.     carla_debug("carla_set_panning(%i, %f)", pluginId, value);

  2140. 

  2141.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2142.         return plugin->setPanning(value, true, false);

  2143. 

  2144.     carla_stderr2("carla_set_panning(%i, %f) - could not find plugin", pluginId, value);

  2145. }

  2146. #endif

  2147. 

  2148. void carla_set_ctrl_channel(uint pluginId, int8_t channel)

  2149. {

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

  2151.     CARLA_SAFE_ASSERT_RETURN(channel >= -1 && channel < MAX_MIDI_CHANNELS,);

  2152.     carla_debug("carla_set_ctrl_channel(%i, %i)", pluginId, channel);

  2153. 

  2154.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2155.         return plugin->setCtrlChannel(channel, true, false);

  2156. 

  2157.     carla_stderr2("carla_set_ctrl_channel(%i, %i) - could not find plugin", pluginId, channel);

  2158. }

  2159. 

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

  2161. 

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

  2163. {

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

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

  2166. 

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

  2168.     {

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

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

  2171. 

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

  2173.         return;

  2174.     }

  2175. 

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

  2177. }

  2178. 

  2179. #ifndef BUILD_BRIDGE

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

  2181. {

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

  2183.     CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

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

  2185. 

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

  2187.     {

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

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

  2190. 

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

  2192.         return;

  2193.     }

  2194. 

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

  2196. }

  2197. 

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

  2199. {

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

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

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

  2203. 

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

  2205.     {

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

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

  2208. 

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

  2210.         return;

  2211.     }

  2212. 

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

  2214. }

  2215. #endif

  2216. 

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

  2218. 

  2219. void carla_set_program(uint pluginId, uint32_t programId)

  2220. {

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

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

  2223. 

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

  2225.     {

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

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

  2228. 

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

  2230.         return;

  2231.     }

  2232. 

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

  2234. }

  2235. 

  2236. void carla_set_midi_program(uint pluginId, uint32_t midiProgramId)

  2237. {

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

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

  2240. 

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

  2242.     {

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

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

  2245. 

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

  2247.         return;

  2248.     }

  2249. 

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

  2251. }

  2252. 

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

  2254. 

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

  2256. {

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

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

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

  2260.     CARLA_SAFE_ASSERT_RETURN(value != nullptr,);

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

  2262. 

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

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

  2265. 

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

  2267. }

  2268. 

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

  2270. {

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

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

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

  2274. 

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

  2276.     {

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

  2278.             return plugin->setChunkData(chunkData);

  2279. 

  2280.         carla_stderr2("carla_set_chunk_data(%i, \"%s\") - plugin does not use chunks", pluginId, chunkData);

  2281.         return;

  2282.     }

  2283. 

  2284.     carla_stderr2("carla_set_chunk_data(%i, \"%s\") - could not find plugin", pluginId, chunkData);

  2285. }

  2286. 

  2287. // -------------------------------------------------------------------------------------------------------------------

  2288. 

  2289. void carla_prepare_for_save(uint pluginId)

  2290. {

  2291.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  2292.     carla_debug("carla_prepare_for_save(%i)", pluginId);

  2293. 

  2294.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2295.         return plugin->prepareForSave();

  2296. 

  2297.     carla_stderr2("carla_prepare_for_save(%i) - could not find plugin", pluginId);

  2298. }

  2299. 

  2300. void carla_reset_parameters(uint pluginId)

  2301. {

  2302.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  2303.     carla_debug("carla_reset_parameters(%i)", pluginId);

  2304. 

  2305.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2306.         return plugin->resetParameters();

  2307. 

  2308.     carla_stderr2("carla_reset_parameters(%i) - could not find plugin", pluginId);

  2309. }

  2310. 

  2311. void carla_randomize_parameters(uint pluginId)

  2312. {

  2313.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  2314.     carla_debug("carla_randomize_parameters(%i)", pluginId);

  2315. 

  2316.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2317.         return plugin->randomizeParameters();

  2318. 

  2319.     carla_stderr2("carla_randomize_parameters(%i) - could not find plugin", pluginId);

  2320. }

  2321. 

  2322. #ifndef BUILD_BRIDGE

  2323. void carla_send_midi_note(uint pluginId, uint8_t channel, uint8_t note, uint8_t velocity)

  2324. {

  2325.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr && gStandalone.engine->isRunning(),);

  2326.     carla_debug("carla_send_midi_note(%i, %i, %i, %i)", pluginId, channel, note, velocity);

  2327. 

  2328.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2329.         return plugin->sendMidiSingleNote(channel, note, velocity, true, true, false);

  2330. 

  2331.     carla_stderr2("carla_send_midi_note(%i, %i, %i, %i) - could not find plugin", pluginId, channel, note, velocity);

  2332. }

  2333. #endif

  2334. 

  2335. void carla_show_custom_ui(uint pluginId, bool yesNo)

  2336. {

  2337.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr,);

  2338.     carla_debug("carla_show_custom_ui(%i, %s)", pluginId, bool2str(yesNo));

  2339. 

  2340.     if (CarlaPlugin* const plugin = gStandalone.engine->getPlugin(pluginId))

  2341.         return plugin->showCustomUI(yesNo);

  2342. 

  2343.     carla_stderr2("carla_show_custom_ui(%i, %s) - could not find plugin", pluginId, bool2str(yesNo));

  2344. }

  2345. 

  2346. // -------------------------------------------------------------------------------------------------------------------

  2347. 

  2348. uint32_t carla_get_buffer_size()

  2349. {

  2350.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, 0);

  2351.     carla_debug("carla_get_buffer_size()");

  2352. 

  2353.     return gStandalone.engine->getBufferSize();

  2354. }

  2355. 

  2356. double carla_get_sample_rate()

  2357. {

  2358.     CARLA_SAFE_ASSERT_RETURN(gStandalone.engine != nullptr, 0.0);

  2359.     carla_debug("carla_get_sample_rate()");

  2360. 

  2361.     return gStandalone.engine->getSampleRate();

  2362. }

  2363. 

  2364. // -------------------------------------------------------------------------------------------------------------------

  2365. 

  2366. const char* carla_get_last_error()

  2367. {

  2368.     carla_debug("carla_get_last_error()");

  2369. 

  2370.     if (gStandalone.engine != nullptr)

  2371.         return gStandalone.engine->getLastError();

  2372. 

  2373.     return gStandalone.lastError;

  2374. }

  2375. 

  2376. const char* carla_get_host_osc_url_tcp()

  2377. {

  2378.     carla_debug("carla_get_host_osc_url_tcp()");

  2379. 

  2380.     if (gStandalone.engine == nullptr)

  2381.     {

  2382.         carla_stderr2("Engine is not running");

  2383.         gStandalone.lastError = "Engine is not running";

  2384.         return nullptr;

  2385.     }

  2386. 

  2387.     return gStandalone.engine->getOscServerPathTCP();

  2388. }

  2389. 

  2390. const char* carla_get_host_osc_url_udp()

  2391. {

  2392.     carla_debug("carla_get_host_osc_url_udp()");

  2393. 

  2394.     if (gStandalone.engine == nullptr)

  2395.     {

  2396.         carla_stderr2("Engine is not running");

  2397.         gStandalone.lastError = "Engine is not running";

  2398.         return nullptr;

  2399.     }

  2400. 

  2401.     return gStandalone.engine->getOscServerPathUDP();

  2402. }

  2403. 

  2404. // -------------------------------------------------------------------------------------------------------------------

  2405. 

  2406. #ifdef WANT_DSSI

  2407. # include "CarlaDssiUtils.cpp"

  2408. #endif

  2409. 

  2410. #include "CarlaStateUtils.cpp"

  2411. 

  2412. #if 0

  2413. int main(int argc, char* argv[])

  2414. {

  2415.     return 0;

  2416. }

  2417. #endif

  2418. 

  2419. // -------------------------------------------------------------------------------------------------------------------