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Carla/source/backend/plugin/CarlaPluginDSSI.cpp

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  1. /*

  2.  * Carla DSSI Plugin

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

  4.  *

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

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

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

  8.  * the License, or any later version.

  9.  *

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

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

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

  13.  * GNU General Public License for more details.

  14.  *

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

  16.  */

  17. 

  18. // TODO: set fUsesCustomData and latency index before init finishes

  19. // TODO: common laterncy code

  20. 

  21. #include "CarlaPluginInternal.hpp"

  22. #include "CarlaEngineUtils.hpp"

  23. 

  24. #include "CarlaDssiUtils.hpp"

  25. #include "CarlaMathUtils.hpp"

  26. 

  27. #ifdef HAVE_LIBLO

  28. # include "CarlaOscUtils.hpp"

  29. # include "CarlaThread.hpp"

  30. #endif

  31. 

  32. using juce::ChildProcess;

  33. using juce::ScopedPointer;

  34. using juce::String;

  35. using juce::StringArray;

  36. 

  37. #define CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(/* argc, types, */ argcToCompare, typesToCompare)                                 \

  38.     /* check argument count */                                                                                                  \

  39.     if (argc != argcToCompare)                                                                                                  \

  40.     {                                                                                                                           \

  41.         carla_stderr("CarlaPluginDSSI::%s() - argument count mismatch: %i != %i", __FUNCTION__, argc, argcToCompare);           \

  42.         return;                                                                                                                 \

  43.     }                                                                                                                           \

  44.     if (argc > 0)                                                                                                               \

  45.     {                                                                                                                           \

  46.         /* check for nullness */                                                                                                \

  47.         if (types == nullptr || typesToCompare == nullptr)                                                                      \

  48.         {                                                                                                                       \

  49.             carla_stderr("CarlaPluginDSSI::%s() - argument types are null", __FUNCTION__);                                      \

  50.             return;                                                                                                             \

  51.         }                                                                                                                       \

  52.         /* check argument types */                                                                                              \

  53.         if (std::strcmp(types, typesToCompare) != 0)                                                                            \

  54.         {                                                                                                                       \

  55.             carla_stderr("CarlaPluginDSSI::%s() - argument types mismatch: '%s' != '%s'", __FUNCTION__, types, typesToCompare); \

  56.             return;                                                                                                             \

  57.         }                                                                                                                       \

  58.     }

  59. 

  60. CARLA_BACKEND_START_NAMESPACE

  61. 

  62. // -------------------------------------------------------------------

  63. // Fallback data

  64. 

  65. static const CustomData kCustomDataFallback = { nullptr, nullptr, nullptr };

  66. 

  67. #ifdef HAVE_LIBLO

  68. // -------------------------------------------------------------------

  69. 

  70. class CarlaThreadDSSIUI : public CarlaThread

  71. {

  72. public:

  73.     CarlaThreadDSSIUI(CarlaEngine* const engine, CarlaPlugin* const plugin, const CarlaOscData& oscData) noexcept

  74.         : CarlaThread("CarlaThreadDSSIUI"),

  75.           kEngine(engine),

  76.           kPlugin(plugin),

  77.           fBinary(),

  78.           fLabel(),

  79.           fOscData(oscData),

  80.           fProcess(),

  81.           leakDetector_CarlaThreadDSSIUI() {}

  82. 

  83.     void setData(const char* const binary, const char* const label) noexcept

  84.     {

  85.         CARLA_SAFE_ASSERT_RETURN(binary != nullptr && binary[0] != '\0',);

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

  87.         CARLA_SAFE_ASSERT(! isThreadRunning());

  88. 

  89.         fBinary = binary;

  90.         fLabel  = label;

  91. 

  92.         if (fLabel.isEmpty())

  93.             fLabel = "\"\"";

  94.     }

  95. 

  96.     uintptr_t getProcessPID() const noexcept

  97.     {

  98.         CARLA_SAFE_ASSERT_RETURN(fProcess != nullptr, 0);

  99. 

  100.         return (uintptr_t)fProcess->getPID();

  101.     }

  102. 

  103.     void run()

  104.     {

  105.         if (fProcess == nullptr)

  106.         {

  107.             fProcess = new ChildProcess();

  108.         }

  109.         else if (fProcess->isRunning())

  110.         {

  111.             carla_stderr("CarlaThreadDSSI::run() - already running, giving up...");

  112. 

  113.             kEngine->callback(CarlaBackend::ENGINE_CALLBACK_UI_STATE_CHANGED, kPlugin->getId(), 0, 0, 0.0f, nullptr);

  114.             fProcess->kill();

  115.             fProcess = nullptr;

  116.             return;

  117.         }

  118. 

  119.         String name(kPlugin->getName());

  120.         String filename(kPlugin->getFilename());

  121. 

  122.         if (name.isEmpty())

  123.             name = "(none)";

  124. 

  125.         if (filename.isEmpty())

  126.             filename = "\"\"";

  127. 

  128.         StringArray arguments;

  129. 

  130.         // binary

  131.         arguments.add(fBinary.buffer());

  132. 

  133.         // osc-url

  134.         arguments.add(String(kEngine->getOscServerPathUDP()) + String("/") + String(kPlugin->getId()));

  135. 

  136.         // filename

  137.         arguments.add(filename);

  138. 

  139.         // label

  140.         arguments.add(fLabel.buffer());

  141. 

  142.         // ui-title

  143.         arguments.add(name + String(" (GUI)"));

  144. 

  145.         bool started;

  146. 

  147.         {

  148. #ifdef CARLA_OS_LINUX

  149.             const ScopedEngineEnvironmentLocker _seel(kEngine);

  150. 

  151.             const char* const oldPreload(std::getenv("LD_PRELOAD"));

  152. 

  153.             if (oldPreload != nullptr)

  154.                 ::unsetenv("LD_PRELOAD");

  155. #endif

  156. 

  157.             carla_stdout("starting DSSI UI...");

  158.             started = fProcess->start(arguments);

  159. 

  160. #ifdef CARLA_OS_LINUX

  161.             if (oldPreload != nullptr)

  162.                 ::setenv("LD_PRELOAD", oldPreload, 1);

  163. #endif

  164.         }

  165. 

  166.         if (! started)

  167.         {

  168.             carla_stdout("failed!");

  169.             fProcess = nullptr;

  170.             return;

  171.         }

  172. 

  173.         if (waitForOscGuiShow())

  174.         {

  175.             for (; fProcess->isRunning() && ! shouldThreadExit();)

  176.                 carla_sleep(1);

  177. 

  178.             // we only get here if UI was closed or thread asked to exit

  179.             if (fProcess->isRunning() && shouldThreadExit())

  180.             {

  181.                 fProcess->waitForProcessToFinish(static_cast<int>(kEngine->getOptions().uiBridgesTimeout));

  182. 

  183.                 if (fProcess->isRunning())

  184.                 {

  185.                     carla_stdout("CarlaThreadDSSIUI::run() - UI refused to close, force kill now");

  186.                     fProcess->kill();

  187.                 }

  188.                 else

  189.                 {

  190.                     carla_stdout("CarlaThreadDSSIUI::run() - UI auto-closed successfully");

  191.                 }

  192.             }

  193.             else if (fProcess->getExitCode() != 0 /*|| fProcess->exitStatus() == QProcess::CrashExit*/)

  194.                 carla_stderr("CarlaThreadDSSIUI::run() - UI crashed while running");

  195.             else

  196.                 carla_stdout("CarlaThreadDSSIUI::run() - UI closed cleanly");

  197. 

  198.             kEngine->callback(CarlaBackend::ENGINE_CALLBACK_UI_STATE_CHANGED, kPlugin->getId(), 0, 0, 0.0f, nullptr);

  199.         }

  200.         else

  201.         {

  202.             fProcess->kill();

  203. 

  204.             carla_stdout("CarlaThreadDSSIUI::run() - GUI timeout");

  205.             kEngine->callback(CarlaBackend::ENGINE_CALLBACK_UI_STATE_CHANGED, kPlugin->getId(), 0, 0, 0.0f, nullptr);

  206.         }

  207. 

  208.         carla_stdout("DSSI UI finished");

  209.         fProcess = nullptr;

  210.     }

  211. 

  212. private:

  213.     CarlaEngine* const kEngine;

  214.     CarlaPlugin* const kPlugin;

  215. 

  216.     CarlaString fBinary;

  217.     CarlaString fLabel;

  218. 

  219.     const CarlaOscData&         fOscData;

  220.     ScopedPointer<ChildProcess> fProcess;

  221. 

  222.     bool waitForOscGuiShow()

  223.     {

  224.         carla_stdout("CarlaThreadDSSIUI::waitForOscGuiShow()");

  225.         uint i=0, oscUiTimeout = kEngine->getOptions().uiBridgesTimeout;

  226. 

  227.         // wait for UI 'update' call

  228.         for (; i < oscUiTimeout/100; ++i)

  229.         {

  230.             if (fOscData.target != nullptr)

  231.             {

  232.                 carla_stdout("CarlaThreadDSSIUI::waitForOscGuiShow() - got response, asking UI to show itself now");

  233.                 osc_send_show(fOscData);

  234.                 return true;

  235.             }

  236. 

  237.             if (fProcess != nullptr && fProcess->isRunning())

  238.                 carla_msleep(100);

  239.             else

  240.                 return false;

  241.         }

  242. 

  243.         carla_stdout("CarlaThreadDSSIUI::waitForOscGuiShow() - Timeout while waiting for UI to respond (waited %u msecs)", oscUiTimeout);

  244.         return false;

  245.     }

  246. 

  247.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaThreadDSSIUI)

  248. };

  249. #endif

  250. 

  251. // -----------------------------------------------------

  252. 

  253. class CarlaPluginDSSI : public CarlaPlugin

  254. {

  255. public:

  256.     CarlaPluginDSSI(CarlaEngine* const engine, const uint id) noexcept

  257.         : CarlaPlugin(engine, id),

  258.           fHandle(nullptr),

  259.           fHandle2(nullptr),

  260.           fDescriptor(nullptr),

  261.           fDssiDescriptor(nullptr),

  262.           fUsesCustomData(false),

  263. #ifdef HAVE_LIBLO

  264.           fUiFilename(nullptr),

  265. #endif

  266.           fAudioInBuffers(nullptr),

  267.           fAudioOutBuffers(nullptr),

  268.           fParamBuffers(nullptr),

  269.           fLatencyChanged(false),

  270.           fLatencyIndex(-1),

  271. #ifdef HAVE_LIBLO

  272.           fOscData(),

  273.           fThreadUI(engine, this, fOscData),

  274. #endif

  275.           leakDetector_CarlaPluginDSSI()

  276.     {

  277.         carla_debug("CarlaPluginDSSI::CarlaPluginDSSI(%p, %i)", engine, id);

  278.     }

  279. 

  280.     ~CarlaPluginDSSI() noexcept override

  281.     {

  282.         carla_debug("CarlaPluginDSSI::~CarlaPluginDSSI()");

  283. 

  284. #ifdef HAVE_LIBLO

  285.         // close UI

  286.         if (pData->hints & PLUGIN_HAS_CUSTOM_UI)

  287.         {

  288.             showCustomUI(false);

  289. 

  290.             fThreadUI.stopThread(static_cast<int>(pData->engine->getOptions().uiBridgesTimeout * 2));

  291.         }

  292. #endif

  293. 

  294.         pData->singleMutex.lock();

  295.         pData->masterMutex.lock();

  296. 

  297.         if (pData->client != nullptr && pData->client->isActive())

  298.             pData->client->deactivate();

  299. 

  300.         if (pData->active)

  301.         {

  302.             deactivate();

  303.             pData->active = false;

  304.         }

  305. 

  306.         if (fDescriptor != nullptr)

  307.         {

  308.             if (pData->name != nullptr && fDssiDescriptor != nullptr && fDssiDescriptor->run_synth == nullptr && fDssiDescriptor->run_multiple_synths != nullptr)

  309.                 removeUniqueMultiSynth(fDescriptor->Label);

  310. 

  311.             if (fDescriptor->cleanup != nullptr)

  312.             {

  313.                 if (fHandle != nullptr)

  314.                 {

  315.                     try {

  316.                         fDescriptor->cleanup(fHandle);

  317.                     } CARLA_SAFE_EXCEPTION("DSSI cleanup");

  318.                 }

  319. 

  320.                 if (fHandle2 != nullptr)

  321.                 {

  322.                     try {

  323.                         fDescriptor->cleanup(fHandle2);

  324.                     } CARLA_SAFE_EXCEPTION("DSSI cleanup #2");

  325.                 }

  326.             }

  327. 

  328.             fHandle  = nullptr;

  329.             fHandle2 = nullptr;

  330.             fDescriptor = nullptr;

  331.             fDssiDescriptor = nullptr;

  332.         }

  333. 

  334. #ifdef HAVE_LIBLO

  335.         if (fUiFilename != nullptr)

  336.         {

  337.             delete[] fUiFilename;

  338.             fUiFilename = nullptr;

  339.         }

  340. #endif

  341. 

  342.         clearBuffers();

  343.     }

  344. 

  345.     // -------------------------------------------------------------------

  346.     // Information (base)

  347. 

  348.     PluginType getType() const noexcept override

  349.     {

  350.         return PLUGIN_DSSI;

  351.     }

  352. 

  353.     PluginCategory getCategory() const noexcept override

  354.     {

  355.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr, PLUGIN_CATEGORY_NONE);

  356. 

  357.         if (pData->audioIn.count == 0 && pData->audioOut.count > 0 && (fDssiDescriptor->run_synth != nullptr || fDssiDescriptor->run_multiple_synths != nullptr))

  358.             return PLUGIN_CATEGORY_SYNTH;

  359. 

  360.         return CarlaPlugin::getCategory();

  361.     }

  362. 

  363.     int64_t getUniqueId() const noexcept override

  364.     {

  365.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr, 0);

  366. 

  367.         return static_cast<int64_t>(fDescriptor->UniqueID);

  368.     }

  369. 

  370.     // -------------------------------------------------------------------

  371.     // Information (count)

  372. 

  373.     // nothing

  374. 

  375.     // -------------------------------------------------------------------

  376.     // Information (current data)

  377. 

  378.     std::size_t getChunkData(void** const dataPtr) noexcept override

  379.     {

  380.         CARLA_SAFE_ASSERT_RETURN(fUsesCustomData, 0);

  381.         CARLA_SAFE_ASSERT_RETURN(pData->options & PLUGIN_OPTION_USE_CHUNKS, 0);

  382.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr, 0);

  383.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor->get_custom_data != nullptr, 0);

  384.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr, 0);

  385.         CARLA_SAFE_ASSERT_RETURN(fHandle2 == nullptr, 0);

  386.         CARLA_SAFE_ASSERT_RETURN(dataPtr != nullptr, 0);

  387. 

  388.         *dataPtr = nullptr;

  389. 

  390.         int ret = 0;

  391.         ulong dataSize = 0;

  392. 

  393.         try {

  394.             ret = fDssiDescriptor->get_custom_data(fHandle, dataPtr, &dataSize);

  395.         } CARLA_SAFE_EXCEPTION_RETURN("CarlaPluginDSSI::getChunkData", 0);

  396. 

  397.         return (ret != 0) ? dataSize : 0;

  398.     }

  399. 

  400.     // -------------------------------------------------------------------

  401.     // Information (per-plugin data)

  402. 

  403.     uint getOptionsAvailable() const noexcept override

  404.     {

  405.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr, 0x0);

  406. 

  407. #ifdef __USE_GNU

  408.         const bool isDssiVst(strcasestr(pData->filename, "dssi-vst") != nullptr);

  409. #else

  410.         const bool isDssiVst(std::strstr(pData->filename, "dssi-vst") != nullptr);

  411. #endif

  412. 

  413.         uint options = 0x0;

  414. 

  415.         if (fDssiDescriptor->get_program != nullptr && fDssiDescriptor->select_program != nullptr)

  416.             options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  417. 

  418.         if (! isDssiVst)

  419.         {

  420.             if (fLatencyIndex == -1)

  421.                 options |= PLUGIN_OPTION_FIXED_BUFFERS;

  422. 

  423.             if (pData->engine->getProccessMode() != ENGINE_PROCESS_MODE_CONTINUOUS_RACK)

  424.             {

  425.                 if (pData->options & PLUGIN_OPTION_FORCE_STEREO)

  426.                     options |= PLUGIN_OPTION_FORCE_STEREO;

  427.                 else if (pData->audioIn.count <= 1 && pData->audioOut.count <= 1 && (pData->audioIn.count != 0 || pData->audioOut.count != 0))

  428.                     options |= PLUGIN_OPTION_FORCE_STEREO;

  429.             }

  430.         }

  431. 

  432.         if (fUsesCustomData)

  433.             options |= PLUGIN_OPTION_USE_CHUNKS;

  434. 

  435.         if (fDssiDescriptor->run_synth != nullptr || fDssiDescriptor->run_multiple_synths != nullptr)

  436.         {

  437.             options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  438.             options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  439.             options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  440.             options |= PLUGIN_OPTION_SEND_PITCHBEND;

  441.             options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  442.         }

  443. 

  444.         return options;

  445.     }

  446. 

  447.     float getParameterValue(const uint32_t parameterId) const noexcept override

  448.     {

  449.         CARLA_SAFE_ASSERT_RETURN(fParamBuffers != nullptr, 0.0f);

  450.         CARLA_SAFE_ASSERT_RETURN(parameterId < pData->param.count, 0.0f);

  451. 

  452.         return fParamBuffers[parameterId];

  453.     }

  454. 

  455.     void getLabel(char* const strBuf) const noexcept override

  456.     {

  457.         CARLA_SAFE_ASSERT_RETURN(fDescriptor        != nullptr, nullStrBuf(strBuf));

  458.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->Label != nullptr, nullStrBuf(strBuf));

  459. 

  460.         std::strncpy(strBuf, fDescriptor->Label, STR_MAX);

  461.     }

  462. 

  463.     void getMaker(char* const strBuf) const noexcept override

  464.     {

  465.         CARLA_SAFE_ASSERT_RETURN(fDescriptor        != nullptr, nullStrBuf(strBuf));

  466.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->Maker != nullptr, nullStrBuf(strBuf));

  467. 

  468.         std::strncpy(strBuf, fDescriptor->Maker, STR_MAX);

  469.     }

  470. 

  471.     void getCopyright(char* const strBuf) const noexcept override

  472.     {

  473.         CARLA_SAFE_ASSERT_RETURN(fDescriptor            != nullptr, nullStrBuf(strBuf));

  474.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->Copyright != nullptr, nullStrBuf(strBuf));

  475. 

  476.         std::strncpy(strBuf, fDescriptor->Copyright, STR_MAX);

  477.     }

  478. 

  479.     void getRealName(char* const strBuf) const noexcept override

  480.     {

  481.         CARLA_SAFE_ASSERT_RETURN(fDescriptor       != nullptr, nullStrBuf(strBuf));

  482.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->Name != nullptr, nullStrBuf(strBuf));

  483. 

  484.         std::strncpy(strBuf, fDescriptor->Name, STR_MAX);

  485.     }

  486. 

  487.     void getParameterName(const uint32_t parameterId, char* const strBuf) const noexcept override

  488.     {

  489.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,           nullStrBuf(strBuf));

  490.         CARLA_SAFE_ASSERT_RETURN(parameterId < pData->param.count, nullStrBuf(strBuf));

  491. 

  492.         const int32_t rindex(pData->param.data[parameterId].rindex);

  493. 

  494.         CARLA_SAFE_ASSERT_RETURN(rindex < static_cast<int32_t>(fDescriptor->PortCount), nullStrBuf(strBuf));

  495.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortNames[rindex] != nullptr,             nullStrBuf(strBuf));

  496. 

  497.         if (getSeparatedParameterNameOrUnit(fDescriptor->PortNames[rindex], strBuf, true))

  498.             return;

  499. 

  500.         std::strncpy(strBuf, fDescriptor->PortNames[rindex], STR_MAX);

  501.     }

  502. 

  503.     void getParameterUnit(const uint32_t parameterId, char* const strBuf) const noexcept override

  504.     {

  505.         CARLA_SAFE_ASSERT_RETURN(parameterId < pData->param.count, nullStrBuf(strBuf));

  506. 

  507.         const int32_t rindex(pData->param.data[parameterId].rindex);

  508. 

  509.         CARLA_SAFE_ASSERT_RETURN(rindex < static_cast<int32_t>(fDescriptor->PortCount), nullStrBuf(strBuf));

  510. 

  511.         if (getSeparatedParameterNameOrUnit(fDescriptor->PortNames[rindex], strBuf, false))

  512.             return;

  513. 

  514.         nullStrBuf(strBuf);

  515.     }

  516. 

  517.     // -------------------------------------------------------------------

  518.     // Set data (state)

  519. 

  520.     // nothing

  521. 

  522.     // -------------------------------------------------------------------

  523.     // Set data (internal stuff)

  524. 

  525.     void setId(const uint newId) noexcept

  526.     {

  527.         CarlaPlugin::setId(newId);

  528. 

  529.         // UI osc-url uses Id, so we need to close it when it changes

  530.         // FIXME - must be RT safe

  531.         showCustomUI(false);

  532.     }

  533. 

  534.     // -------------------------------------------------------------------

  535.     // Set data (plugin-specific stuff)

  536. 

  537.     void setParameterValue(const uint32_t parameterId, const float value, const bool sendGui, const bool sendOsc, const bool sendCallback) noexcept override

  538.     {

  539.         CARLA_SAFE_ASSERT_RETURN(fParamBuffers != nullptr,);

  540.         CARLA_SAFE_ASSERT_RETURN(parameterId < pData->param.count,);

  541. 

  542.         const float fixedValue(pData->param.getFixedValue(parameterId, value));

  543.         fParamBuffers[parameterId] = fixedValue;

  544. 

  545.         CarlaPlugin::setParameterValue(parameterId, fixedValue, sendGui, sendOsc, sendCallback);

  546.     }

  547. 

  548.     void setCustomData(const char* const type, const char* const key, const char* const value, const bool sendGui) override

  549.     {

  550.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

  551.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

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

  554.         CARLA_SAFE_ASSERT_RETURN(value != nullptr,);

  555.         carla_debug("CarlaPluginDSSI::setCustomData(%s, %s, %s, %s)", type, key, value, bool2str(sendGui));

  556. 

  557.         if (std::strcmp(type, CUSTOM_DATA_TYPE_STRING) != 0)

  558.             return carla_stderr2("CarlaPluginDSSI::setCustomData(\"%s\", \"%s\", \"%s\", %s) - type is not string", type, key, value, bool2str(sendGui));

  559. 

  560.         if (fDssiDescriptor->configure != nullptr)

  561.         {

  562.             try {

  563.                 fDssiDescriptor->configure(fHandle, key, value);

  564.             } catch(...) {}

  565. 

  566.             if (fHandle2 != nullptr)

  567.             {

  568.                 try {

  569.                     fDssiDescriptor->configure(fHandle2, key, value);

  570.                 } catch(...) {}

  571.             }

  572.         }

  573. 

  574. #ifdef HAVE_LIBLO

  575.         if (sendGui && fOscData.target != nullptr)

  576.             osc_send_configure(fOscData, key, value);

  577. #endif

  578. 

  579.         if (std::strcmp(key, "reloadprograms") == 0 || std::strcmp(key, "load") == 0 || std::strncmp(key, "patches", 7) == 0)

  580.         {

  581.             const ScopedSingleProcessLocker spl(this, true);

  582.             reloadPrograms(false);

  583.         }

  584. 

  585.         CarlaPlugin::setCustomData(type, key, value, sendGui);

  586.     }

  587. 

  588.     void setChunkData(const void* const data, const std::size_t dataSize) override

  589.     {

  590.         CARLA_SAFE_ASSERT_RETURN(fUsesCustomData,);

  591.         CARLA_SAFE_ASSERT_RETURN(pData->options & PLUGIN_OPTION_USE_CHUNKS,);

  592.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

  593.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor->set_custom_data != nullptr,);

  594.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  595.         CARLA_SAFE_ASSERT_RETURN(fHandle2 == nullptr,);

  596.         CARLA_SAFE_ASSERT_RETURN(data != nullptr,);

  597.         CARLA_SAFE_ASSERT_RETURN(dataSize > 0,);

  598. 

  599.         {

  600.             const ScopedSingleProcessLocker spl(this, true);

  601. 

  602.             try {

  603.                 fDssiDescriptor->set_custom_data(fHandle, const_cast<void*>(data), static_cast<ulong>(dataSize));

  604.             } CARLA_SAFE_EXCEPTION("CarlaPluginDSSI::setChunkData");

  605.         }

  606. 

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

  608.         const bool sendOsc(pData->engine->isOscControlRegistered());

  609. #else

  610.         const bool sendOsc(false);

  611. #endif

  612.         pData->updateParameterValues(this, sendOsc, true, false);

  613.     }

  614. 

  615.     void setMidiProgram(const int32_t index, const bool sendGui, const bool sendOsc, const bool sendCallback) noexcept override

  616.     {

  617.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

  618.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor->select_program != nullptr,);

  619.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  620.         CARLA_SAFE_ASSERT_RETURN(index >= -1 && index < static_cast<int32_t>(pData->midiprog.count),);

  621. 

  622.         if (index >= 0)

  623.         {

  624.             const uint32_t bank(pData->midiprog.data[index].bank);

  625.             const uint32_t program(pData->midiprog.data[index].program);

  626. 

  627.             const ScopedSingleProcessLocker spl(this, (sendGui || sendOsc || sendCallback));

  628. 

  629.             try {

  630.                 fDssiDescriptor->select_program(fHandle, bank, program);

  631.             } catch(...) {}

  632. 

  633.             if (fHandle2 != nullptr)

  634.             {

  635.                 try {

  636.                     fDssiDescriptor->select_program(fHandle2, bank, program);

  637.                 } catch(...) {}

  638.             }

  639.         }

  640. 

  641.         CarlaPlugin::setMidiProgram(index, sendGui, sendOsc, sendCallback);

  642.     }

  643. 

  644. #ifdef HAVE_LIBLO

  645.     // -------------------------------------------------------------------

  646.     // Set ui stuff

  647. 

  648.     void showCustomUI(const bool yesNo) override

  649.     {

  650.         if (yesNo)

  651.         {

  652.             fOscData.clear();

  653.             fThreadUI.startThread();

  654.         }

  655.         else

  656.         {

  657.             pData->transientTryCounter = 0;

  658. 

  659.             if (fOscData.target != nullptr)

  660.             {

  661.                 osc_send_hide(fOscData);

  662.                 osc_send_quit(fOscData);

  663.                 fOscData.clear();

  664.             }

  665. 

  666.             fThreadUI.stopThread(static_cast<int>(pData->engine->getOptions().uiBridgesTimeout * 2));

  667.         }

  668.     }

  669. #endif

  670. 

  671.     void idle() override

  672.     {

  673.         if (fLatencyChanged && fLatencyIndex != -1)

  674.         {

  675.             fLatencyChanged = false;

  676. 

  677.             const int32_t latency(static_cast<int32_t>(fParamBuffers[fLatencyIndex]));

  678. 

  679.             if (latency >= 0)

  680.             {

  681.                 const uint32_t ulatency(static_cast<uint32_t>(latency));

  682. 

  683.                 if (pData->latency != ulatency)

  684.                 {

  685.                     carla_stdout("latency changed to %i", latency);

  686. 

  687.                     const ScopedSingleProcessLocker sspl(this, true);

  688. 

  689.                     pData->latency = ulatency;

  690.                     pData->client->setLatency(ulatency);

  691. #ifndef BUILD_BRIDGE

  692.                     pData->recreateLatencyBuffers();

  693. #endif

  694.                 }

  695.             }

  696.             else

  697.                 carla_safe_assert_int("latency >= 0", __FILE__, __LINE__, latency);

  698.         }

  699. 

  700.         CarlaPlugin::idle();

  701.     }

  702. 

  703.     // -------------------------------------------------------------------

  704.     // Plugin state

  705. 

  706.     void reload() override

  707.     {

  708.         CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr,);

  709.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  710.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

  711.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  712.         carla_debug("CarlaPluginDSSI::reload() - start");

  713. 

  714.         const EngineProcessMode processMode(pData->engine->getProccessMode());

  715. 

  716.         // Safely disable plugin for reload

  717.         const ScopedDisabler sd(this);

  718. 

  719.         if (pData->active)

  720.             deactivate();

  721. 

  722.         clearBuffers();

  723. 

  724.         const float sampleRate(static_cast<float>(pData->engine->getSampleRate()));

  725.         const uint32_t portCount(getSafePortCount());

  726. 

  727.         uint32_t aIns, aOuts, mIns, params;

  728.         aIns = aOuts = mIns = params = 0;

  729. 

  730.         bool forcedStereoIn, forcedStereoOut;

  731.         forcedStereoIn = forcedStereoOut = false;

  732. 

  733.         bool needsCtrlIn, needsCtrlOut;

  734.         needsCtrlIn = needsCtrlOut = false;

  735. 

  736.         for (uint32_t i=0; i < portCount; ++i)

  737.         {

  738.             const LADSPA_PortDescriptor portType(fDescriptor->PortDescriptors[i]);

  739. 

  740.             if (LADSPA_IS_PORT_AUDIO(portType))

  741.             {

  742.                 if (LADSPA_IS_PORT_INPUT(portType))

  743.                     aIns += 1;

  744.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  745.                     aOuts += 1;

  746.             }

  747.             else if (LADSPA_IS_PORT_CONTROL(portType))

  748.                 params += 1;

  749.         }

  750. 

  751.         if ((pData->options & PLUGIN_OPTION_FORCE_STEREO) != 0 && (aIns == 1 || aOuts == 1))

  752.         {

  753.             if (fHandle2 == nullptr)

  754.             {

  755.                 try {

  756.                     fHandle2 = fDescriptor->instantiate(fDescriptor, static_cast<ulong>(sampleRate));

  757.                 } CARLA_SAFE_EXCEPTION("DSSI instantiate #2");

  758.             }

  759. 

  760.             if (fHandle2 != nullptr)

  761.             {

  762.                 if (aIns == 1)

  763.                 {

  764.                     aIns = 2;

  765.                     forcedStereoIn = true;

  766.                 }

  767. 

  768.                 if (aOuts == 1)

  769.                 {

  770.                     aOuts = 2;

  771.                     forcedStereoOut = true;

  772.                 }

  773.             }

  774.         }

  775. 

  776.         if (fDssiDescriptor->run_synth != nullptr || fDssiDescriptor->run_multiple_synths != nullptr)

  777.         {

  778.             mIns = 1;

  779.             needsCtrlIn = true;

  780.         }

  781. 

  782.         if (aIns > 0)

  783.         {

  784.             pData->audioIn.createNew(aIns);

  785.             fAudioInBuffers = new float*[aIns];

  786. 

  787.             for (uint32_t i=0; i < aIns; ++i)

  788.                 fAudioInBuffers[i] = nullptr;

  789.         }

  790. 

  791.         if (aOuts > 0)

  792.         {

  793.             pData->audioOut.createNew(aOuts);

  794.             fAudioOutBuffers = new float*[aOuts];

  795.             needsCtrlIn = true;

  796. 

  797.             for (uint32_t i=0; i < aOuts; ++i)

  798.                 fAudioOutBuffers[i] = nullptr;

  799.         }

  800. 

  801.         if (params > 0)

  802.         {

  803.             pData->param.createNew(params, true);

  804. 

  805.             fParamBuffers = new float[params];

  806.             FloatVectorOperations::clear(fParamBuffers, static_cast<int>(params));

  807.         }

  808. 

  809.         const uint portNameSize(pData->engine->getMaxPortNameSize());

  810.         CarlaString portName;

  811. 

  812.         for (uint32_t i=0, iAudioIn=0, iAudioOut=0, iCtrl=0; i < portCount; ++i)

  813.         {

  814.             const LADSPA_PortDescriptor portType      = fDescriptor->PortDescriptors[i];

  815.             const LADSPA_PortRangeHint portRangeHints = fDescriptor->PortRangeHints[i];

  816. 

  817.             if (LADSPA_IS_PORT_AUDIO(portType))

  818.             {

  819.                 portName.clear();

  820. 

  821.                 if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  822.                 {

  823.                     portName  = pData->name;

  824.                     portName += ":";

  825.                 }

  826. 

  827.                 if (fDescriptor->PortNames[i] != nullptr && fDescriptor->PortNames[i][0] != '\0')

  828.                 {

  829.                     portName += fDescriptor->PortNames[i];

  830.                 }

  831.                 else

  832.                 {

  833.                     if (LADSPA_IS_PORT_INPUT(portType))

  834.                     {

  835.                         if (aIns > 1)

  836.                         {

  837.                             portName += "audio-in_";

  838.                             portName += CarlaString(iAudioIn+1);

  839.                         }

  840.                         else

  841.                             portName += "audio-in";

  842.                     }

  843.                     else

  844.                     {

  845.                         if (aOuts > 1)

  846.                         {

  847.                             portName += "audio-out_";

  848.                             portName += CarlaString(iAudioOut+1);

  849.                         }

  850.                         else

  851.                             portName += "audio-out";

  852.                     }

  853.                 }

  854. 

  855.                 portName.truncate(portNameSize);

  856. 

  857.                 if (LADSPA_IS_PORT_INPUT(portType))

  858.                 {

  859.                     const uint32_t j = iAudioIn++;

  860.                     pData->audioIn.ports[j].port   = (CarlaEngineAudioPort*)pData->client->addPort(kEnginePortTypeAudio, portName, true);

  861.                     pData->audioIn.ports[j].rindex = i;

  862. 

  863.                     if (forcedStereoIn)

  864.                     {

  865.                         portName += "_2";

  866.                         pData->audioIn.ports[1].port   = (CarlaEngineAudioPort*)pData->client->addPort(kEnginePortTypeAudio, portName, true);

  867.                         pData->audioIn.ports[1].rindex = i;

  868.                     }

  869.                 }

  870.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  871.                 {

  872.                     const uint32_t j = iAudioOut++;

  873.                     pData->audioOut.ports[j].port   = (CarlaEngineAudioPort*)pData->client->addPort(kEnginePortTypeAudio, portName, false);

  874.                     pData->audioOut.ports[j].rindex = i;

  875. 

  876.                     if (forcedStereoOut)

  877.                     {

  878.                         portName += "_2";

  879.                         pData->audioOut.ports[1].port   = (CarlaEngineAudioPort*)pData->client->addPort(kEnginePortTypeAudio, portName, false);

  880.                         pData->audioOut.ports[1].rindex = i;

  881.                     }

  882.                 }

  883.                 else

  884.                     carla_stderr2("WARNING - Got a broken Port (Audio, but not input or output)");

  885.             }

  886.             else if (LADSPA_IS_PORT_CONTROL(portType))

  887.             {

  888.                 const uint32_t j = iCtrl++;

  889.                 pData->param.data[j].index  = static_cast<int32_t>(j);

  890.                 pData->param.data[j].rindex = static_cast<int32_t>(i);

  891. 

  892.                 const char* const paramName(fDescriptor->PortNames[i] != nullptr ? fDescriptor->PortNames[i] : "unknown");

  893. 

  894.                 float min, max, def, step, stepSmall, stepLarge;

  895. 

  896.                 // min value

  897.                 if (LADSPA_IS_HINT_BOUNDED_BELOW(portRangeHints.HintDescriptor))

  898.                     min = portRangeHints.LowerBound;

  899.                 else

  900.                     min = 0.0f;

  901. 

  902.                 // max value

  903.                 if (LADSPA_IS_HINT_BOUNDED_ABOVE(portRangeHints.HintDescriptor))

  904.                     max = portRangeHints.UpperBound;

  905.                 else

  906.                     max = 1.0f;

  907. 

  908.                 if (min > max)

  909.                 {

  910.                     carla_stderr2("WARNING - Broken plugin parameter '%s': min > max", paramName);

  911.                     min = max - 0.1f;

  912.                 }

  913.                 else if (carla_compareFloats(min, max))

  914.                 {

  915.                     carla_stderr2("WARNING - Broken plugin parameter '%s': min == max", paramName);

  916.                     max = min + 0.1f;

  917.                 }

  918. 

  919.                 // default value

  920.                 def = get_default_ladspa_port_value(portRangeHints.HintDescriptor, min, max);

  921. 

  922.                 if (def < min)

  923.                     def = min;

  924.                 else if (def > max)

  925.                     def = max;

  926. 

  927.                 if (LADSPA_IS_HINT_SAMPLE_RATE(portRangeHints.HintDescriptor))

  928.                 {

  929.                     min *= sampleRate;

  930.                     max *= sampleRate;

  931.                     def *= sampleRate;

  932.                     pData->param.data[j].hints |= PARAMETER_USES_SAMPLERATE;

  933.                 }

  934. 

  935.                 if (LADSPA_IS_HINT_TOGGLED(portRangeHints.HintDescriptor))

  936.                 {

  937.                     step = max - min;

  938.                     stepSmall = step;

  939.                     stepLarge = step;

  940.                     pData->param.data[j].hints |= PARAMETER_IS_BOOLEAN;

  941.                 }

  942.                 else if (LADSPA_IS_HINT_INTEGER(portRangeHints.HintDescriptor))

  943.                 {

  944.                     step = 1.0f;

  945.                     stepSmall = 1.0f;

  946.                     stepLarge = 10.0f;

  947.                     pData->param.data[j].hints |= PARAMETER_IS_INTEGER;

  948.                 }

  949.                 else

  950.                 {

  951.                     const float range = max - min;

  952.                     step = range/100.0f;

  953.                     stepSmall = range/1000.0f;

  954.                     stepLarge = range/10.0f;

  955.                 }

  956. 

  957.                 if (LADSPA_IS_PORT_INPUT(portType))

  958.                 {

  959.                     pData->param.data[j].type   = PARAMETER_INPUT;

  960.                     pData->param.data[j].hints |= PARAMETER_IS_ENABLED;

  961.                     pData->param.data[j].hints |= PARAMETER_IS_AUTOMABLE;

  962.                     needsCtrlIn = true;

  963. 

  964.                     // MIDI CC value

  965.                     if (fDssiDescriptor->get_midi_controller_for_port != nullptr)

  966.                     {

  967.                         int controller = fDssiDescriptor->get_midi_controller_for_port(fHandle, i);

  968.                         if (DSSI_CONTROLLER_IS_SET(controller) && DSSI_IS_CC(controller))

  969.                         {

  970.                             int16_t cc = DSSI_CC_NUMBER(controller);

  971.                             if (! MIDI_IS_CONTROL_BANK_SELECT(cc))

  972.                                 pData->param.data[j].midiCC = cc;

  973.                         }

  974.                     }

  975.                 }

  976.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  977.                 {

  978.                     pData->param.data[j].type = PARAMETER_OUTPUT;

  979. 

  980.                     if (std::strcmp(paramName, "latency") == 0 || std::strcmp(paramName, "_latency") == 0)

  981.                     {

  982.                         min = 0.0f;

  983.                         max = sampleRate;

  984.                         def = 0.0f;

  985.                         step = 1.0f;

  986.                         stepSmall = 1.0f;

  987.                         stepLarge = 1.0f;

  988.                         pData->param.special[j] = PARAMETER_SPECIAL_LATENCY;

  989.                         CARLA_SAFE_ASSERT(fLatencyIndex == -1);

  990.                         fLatencyIndex = static_cast<int32_t>(j);

  991.                     }

  992.                     else

  993.                     {

  994.                         pData->param.data[j].hints |= PARAMETER_IS_ENABLED;

  995.                         pData->param.data[j].hints |= PARAMETER_IS_AUTOMABLE;

  996.                         needsCtrlOut = true;

  997.                     }

  998.                 }

  999.                 else

  1000.                 {

  1001.                     carla_stderr2("WARNING - Got a broken Port (Control, but not input or output)");

  1002.                 }

  1003. 

  1004.                 // extra parameter hints

  1005.                 if (LADSPA_IS_HINT_LOGARITHMIC(portRangeHints.HintDescriptor))

  1006.                     pData->param.data[j].hints |= PARAMETER_IS_LOGARITHMIC;

  1007. 

  1008.                 pData->param.ranges[j].min = min;

  1009.                 pData->param.ranges[j].max = max;

  1010.                 pData->param.ranges[j].def = def;

  1011.                 pData->param.ranges[j].step = step;

  1012.                 pData->param.ranges[j].stepSmall = stepSmall;

  1013.                 pData->param.ranges[j].stepLarge = stepLarge;

  1014. 

  1015.                 // Start parameters in their default values

  1016.                 fParamBuffers[j] = def;

  1017. 

  1018.                 try {

  1019.                     fDescriptor->connect_port(fHandle, i, &fParamBuffers[j]);

  1020.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port parameter");

  1021. 

  1022.                 if (fHandle2 != nullptr)

  1023.                 {

  1024.                     try {

  1025.                         fDescriptor->connect_port(fHandle2, i, &fParamBuffers[j]);

  1026.                     } CARLA_SAFE_EXCEPTION("DSSI connect_port parameter #2");

  1027.                 }

  1028.             }

  1029.             else

  1030.             {

  1031.                 // Not Audio or Control

  1032.                 carla_stderr2("ERROR - Got a broken Port (neither Audio or Control)");

  1033. 

  1034.                 try {

  1035.                     fDescriptor->connect_port(fHandle, i, nullptr);

  1036.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port null");

  1037. 

  1038.                 if (fHandle2 != nullptr)

  1039.                 {

  1040.                     try {

  1041.                         fDescriptor->connect_port(fHandle2, i, nullptr);

  1042.                     } CARLA_SAFE_EXCEPTION("DSSI connect_port null #2");

  1043.                 }

  1044.             }

  1045.         }

  1046. 

  1047.         if (needsCtrlIn)

  1048.         {

  1049.             portName.clear();

  1050. 

  1051.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1052.             {

  1053.                 portName  = pData->name;

  1054.                 portName += ":";

  1055.             }

  1056. 

  1057.             portName += "events-in";

  1058.             portName.truncate(portNameSize);

  1059. 

  1060.             pData->event.portIn = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, true);

  1061.         }

  1062. 

  1063.         if (needsCtrlOut)

  1064.         {

  1065.             portName.clear();

  1066. 

  1067.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1068.             {

  1069.                 portName  = pData->name;

  1070.                 portName += ":";

  1071.             }

  1072. 

  1073.             portName += "events-out";

  1074.             portName.truncate(portNameSize);

  1075. 

  1076.             pData->event.portOut = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, false);

  1077.         }

  1078. 

  1079.         if (forcedStereoIn || forcedStereoOut)

  1080.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  1081.         else

  1082.             pData->options &= ~PLUGIN_OPTION_FORCE_STEREO;

  1083. 

  1084.         // plugin hints

  1085.         pData->hints = 0x0;

  1086. 

  1087.         if (LADSPA_IS_HARD_RT_CAPABLE(fDescriptor->Properties))

  1088.             pData->hints |= PLUGIN_IS_RTSAFE;

  1089. 

  1090. #ifdef HAVE_LIBLO

  1091.         if (fUiFilename != nullptr)

  1092.             pData->hints |= PLUGIN_HAS_CUSTOM_UI;

  1093. #endif

  1094. 

  1095. #ifndef BUILD_BRIDGE

  1096.         if (aOuts > 0 && (aIns == aOuts || aIns == 1))

  1097.             pData->hints |= PLUGIN_CAN_DRYWET;

  1098. 

  1099.         if (aOuts > 0)

  1100.             pData->hints |= PLUGIN_CAN_VOLUME;

  1101. 

  1102.         if (aOuts >= 2 && aOuts % 2 == 0)

  1103.             pData->hints |= PLUGIN_CAN_BALANCE;

  1104. #endif

  1105. 

  1106.         // extra plugin hints

  1107.         pData->extraHints = 0x0;

  1108. 

  1109.         if (mIns > 0)

  1110.             pData->extraHints |= PLUGIN_EXTRA_HINT_HAS_MIDI_IN;

  1111. 

  1112.         if (aIns <= 2 && aOuts <= 2 && (aIns == aOuts || aIns == 0 || aOuts == 0))

  1113.             pData->extraHints |= PLUGIN_EXTRA_HINT_CAN_RUN_RACK;

  1114. 

  1115.         // check latency

  1116.         if (fLatencyIndex >= 0)

  1117.         {

  1118.             // we need to pre-run the plugin so it can update its latency control-port

  1119. 

  1120.             float tmpIn [(aIns > 0)  ? aIns  : 1][2];

  1121.             float tmpOut[(aOuts > 0) ? aOuts : 1][2];

  1122. 

  1123.             for (uint32_t j=0; j < aIns; ++j)

  1124.             {

  1125.                 tmpIn[j][0] = 0.0f;

  1126.                 tmpIn[j][1] = 0.0f;

  1127. 

  1128.                 try {

  1129.                     fDescriptor->connect_port(fHandle, pData->audioIn.ports[j].rindex, tmpIn[j]);

  1130.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port latency input");

  1131.             }

  1132. 

  1133.             for (uint32_t j=0; j < aOuts; ++j)

  1134.             {

  1135.                 tmpOut[j][0] = 0.0f;

  1136.                 tmpOut[j][1] = 0.0f;

  1137. 

  1138.                 try {

  1139.                     fDescriptor->connect_port(fHandle, pData->audioOut.ports[j].rindex, tmpOut[j]);

  1140.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port latency output");

  1141.             }

  1142. 

  1143.             if (fDescriptor->activate != nullptr)

  1144.             {

  1145.                 try {

  1146.                     fDescriptor->activate(fHandle);

  1147.                 } CARLA_SAFE_EXCEPTION("DSSI latency activate");

  1148.             }

  1149. 

  1150.             try {

  1151.                 fDescriptor->run(fHandle, 2);

  1152.             } CARLA_SAFE_EXCEPTION("DSSI latency run");

  1153. 

  1154.             if (fDescriptor->deactivate != nullptr)

  1155.             {

  1156.                 try {

  1157.                     fDescriptor->deactivate(fHandle);

  1158.                 } CARLA_SAFE_EXCEPTION("DSSI latency deactivate");

  1159.             }

  1160. 

  1161.             const int32_t latency(static_cast<int32_t>(fParamBuffers[fLatencyIndex]));

  1162. 

  1163.             if (latency >= 0)

  1164.             {

  1165.                 const uint32_t ulatency(static_cast<uint32_t>(latency));

  1166. 

  1167.                 if (pData->latency != ulatency)

  1168.                 {

  1169.                     carla_stdout("latency = %i", latency);

  1170. 

  1171.                     pData->latency = ulatency;

  1172.                     pData->client->setLatency(ulatency);

  1173. #ifndef BUILD_BRIDGE

  1174.                     pData->recreateLatencyBuffers();

  1175. #endif

  1176.                 }

  1177.             }

  1178.             else

  1179.                 carla_safe_assert_int("latency >= 0", __FILE__, __LINE__, latency);

  1180. 

  1181.             fLatencyChanged = false;

  1182.         }

  1183. 

  1184.         bufferSizeChanged(pData->engine->getBufferSize());

  1185.         reloadPrograms(true);

  1186. 

  1187.         if (pData->active)

  1188.             activate();

  1189. 

  1190.         carla_debug("CarlaPluginDSSI::reload() - end");

  1191.     }

  1192. 

  1193.     void reloadPrograms(const bool doInit) override

  1194.     {

  1195.         carla_debug("CarlaPluginDSSI::reloadPrograms(%s)", bool2str(doInit));

  1196.         const uint32_t oldCount = pData->midiprog.count;

  1197.         const int32_t  current  = pData->midiprog.current;

  1198. 

  1199.         // Delete old programs

  1200.         pData->midiprog.clear();

  1201. 

  1202.         // Query new programs

  1203.         uint32_t newCount = 0;

  1204.         if (fDssiDescriptor->get_program != nullptr && fDssiDescriptor->select_program != nullptr)

  1205.         {

  1206.             for (; fDssiDescriptor->get_program(fHandle, newCount) != nullptr;)

  1207.                 ++newCount;

  1208.         }

  1209. 

  1210.         if (newCount > 0)

  1211.         {

  1212.             pData->midiprog.createNew(newCount);

  1213. 

  1214.             // Update data

  1215.             for (uint32_t i=0; i < newCount; ++i)

  1216.             {

  1217.                 const DSSI_Program_Descriptor* const pdesc(fDssiDescriptor->get_program(fHandle, i));

  1218.                 CARLA_SAFE_ASSERT_CONTINUE(pdesc != nullptr);

  1219.                 CARLA_SAFE_ASSERT(pdesc->Name != nullptr);

  1220. 

  1221.                 pData->midiprog.data[i].bank    = static_cast<uint32_t>(pdesc->Bank);

  1222.                 pData->midiprog.data[i].program = static_cast<uint32_t>(pdesc->Program);

  1223.                 pData->midiprog.data[i].name    = carla_strdup(pdesc->Name);

  1224.             }

  1225.         }

  1226. 

  1227. #if defined(HAVE_LIBLO) && ! defined(BUILD_BRIDGE)

  1228.         // Update OSC Names

  1229.         if (pData->engine->isOscControlRegistered())

  1230.         {

  1231.             pData->engine->oscSend_control_set_midi_program_count(pData->id, newCount);

  1232. 

  1233.             for (uint32_t i=0; i < newCount; ++i)

  1234.                 pData->engine->oscSend_control_set_midi_program_data(pData->id, i, pData->midiprog.data[i].bank, pData->midiprog.data[i].program, pData->midiprog.data[i].name);

  1235.         }

  1236. #endif

  1237. 

  1238.         if (doInit)

  1239.         {

  1240.             if (newCount > 0)

  1241.                 setMidiProgram(0, false, false, false);

  1242.         }

  1243.         else

  1244.         {

  1245.             // Check if current program is invalid

  1246.             bool programChanged = false;

  1247. 

  1248.             if (newCount == oldCount+1)

  1249.             {

  1250.                 // one midi program added, probably created by user

  1251.                 pData->midiprog.current = static_cast<int32_t>(oldCount);

  1252.                 programChanged = true;

  1253.             }

  1254.             else if (current < 0 && newCount > 0)

  1255.             {

  1256.                 // programs exist now, but not before

  1257.                 pData->midiprog.current = 0;

  1258.                 programChanged = true;

  1259.             }

  1260.             else if (current >= 0 && newCount == 0)

  1261.             {

  1262.                 // programs existed before, but not anymore

  1263.                 pData->midiprog.current = -1;

  1264.                 programChanged = true;

  1265.             }

  1266.             else if (current >= static_cast<int32_t>(newCount))

  1267.             {

  1268.                 // current midi program > count

  1269.                 pData->midiprog.current = 0;

  1270.                 programChanged = true;

  1271.             }

  1272.             else

  1273.             {

  1274.                 // no change

  1275.                 pData->midiprog.current = current;

  1276.             }

  1277. 

  1278.             if (programChanged)

  1279.                 setMidiProgram(pData->midiprog.current, true, true, true);

  1280. 

  1281.             pData->engine->callback(ENGINE_CALLBACK_RELOAD_PROGRAMS, pData->id, 0, 0, 0.0f, nullptr);

  1282.         }

  1283.     }

  1284. 

  1285.     // -------------------------------------------------------------------

  1286.     // Plugin processing

  1287. 

  1288.     void activate() noexcept override

  1289.     {

  1290.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1291.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  1292. 

  1293.         if (fDescriptor->activate != nullptr)

  1294.         {

  1295.             try {

  1296.                 fDescriptor->activate(fHandle);

  1297.             } CARLA_SAFE_EXCEPTION("DSSI activate");

  1298. 

  1299.             if (fHandle2 != nullptr)

  1300.             {

  1301.                 try {

  1302.                     fDescriptor->activate(fHandle2);

  1303.                 } CARLA_SAFE_EXCEPTION("DSSI activate #2");

  1304.             }

  1305.         }

  1306.     }

  1307. 

  1308.     void deactivate() noexcept override

  1309.     {

  1310.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1311.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  1312. 

  1313.         if (fDescriptor->deactivate != nullptr)

  1314.         {

  1315.             try {

  1316.                 fDescriptor->deactivate(fHandle);

  1317.             } CARLA_SAFE_EXCEPTION("DSSI deactivate");

  1318. 

  1319.             if (fHandle2 != nullptr)

  1320.             {

  1321.                 try {

  1322.                     fDescriptor->deactivate(fHandle2);

  1323.                 } CARLA_SAFE_EXCEPTION("DSSI deactivate #2");

  1324.             }

  1325.         }

  1326.     }

  1327. 

  1328.     void process(const float** const audioIn, float** const audioOut, const float** const cvIn, float** const cvOut, const uint32_t frames) override

  1329.     {

  1330.         // --------------------------------------------------------------------------------------------------------

  1331.         // Check if active

  1332. 

  1333.         if (! pData->active)

  1334.         {

  1335.             // disable any output sound

  1336.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1337.                 FloatVectorOperations::clear(audioOut[i], static_cast<int>(frames));

  1338.             for (uint32_t i=0; i < pData->cvOut.count; ++i)

  1339.                 FloatVectorOperations::clear(cvOut[i], static_cast<int>(frames));

  1340.             return;

  1341.         }

  1342. 

  1343.         ulong midiEventCount = 0;

  1344.         carla_zeroStruct<snd_seq_event_t>(fMidiEvents, kPluginMaxMidiEvents);

  1345. 

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

  1347.         // Check if needs reset

  1348. 

  1349.         if (pData->needsReset)

  1350.         {

  1351.             if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1352.             {

  1353.                 midiEventCount = MAX_MIDI_CHANNELS*2;

  1354. 

  1355.                 for (uchar i=0, k=MAX_MIDI_CHANNELS; i < MAX_MIDI_CHANNELS; ++i)

  1356.                 {

  1357.                     fMidiEvents[i].type = SND_SEQ_EVENT_CONTROLLER;

  1358.                     fMidiEvents[i].data.control.channel = i;

  1359.                     fMidiEvents[i].data.control.param   = MIDI_CONTROL_ALL_NOTES_OFF;

  1360. 

  1361.                     fMidiEvents[k+i].type = SND_SEQ_EVENT_CONTROLLER;

  1362.                     fMidiEvents[k+i].data.control.channel = i;

  1363.                     fMidiEvents[k+i].data.control.param   = MIDI_CONTROL_ALL_SOUND_OFF;

  1364.                 }

  1365.             }

  1366.             else if (pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1367.             {

  1368.                 midiEventCount = MAX_MIDI_NOTE;

  1369. 

  1370.                 for (uchar i=0; i < MAX_MIDI_NOTE; ++i)

  1371.                 {

  1372.                     fMidiEvents[i].type = SND_SEQ_EVENT_NOTEOFF;

  1373.                     fMidiEvents[i].data.note.channel = static_cast<uchar>(pData->ctrlChannel);

  1374.                     fMidiEvents[i].data.note.note    = i;

  1375.                 }

  1376.             }

  1377. 

  1378. #ifndef BUILD_BRIDGE

  1379.             if (pData->latency > 0)

  1380.             {

  1381.                 for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1382.                     FloatVectorOperations::clear(pData->latencyBuffers[i], static_cast<int>(pData->latency));

  1383.             }

  1384. #endif

  1385. 

  1386.             pData->needsReset = false;

  1387.         }

  1388. 

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

  1390.         // Event Input and Processing

  1391. 

  1392.         if (pData->event.portIn != nullptr)

  1393.         {

  1394.             // ----------------------------------------------------------------------------------------------------

  1395.             // MIDI Input (External)

  1396. 

  1397.             if (pData->extNotes.mutex.tryLock())

  1398.             {

  1399.                 ExternalMidiNote note = { 0, 0, 0 };

  1400. 

  1401.                 for (; midiEventCount < kPluginMaxMidiEvents && ! pData->extNotes.data.isEmpty();)

  1402.                 {

  1403.                     note = pData->extNotes.data.getFirst(note, true);

  1404. 

  1405.                     CARLA_SAFE_ASSERT_CONTINUE(note.channel >= 0 && note.channel < MAX_MIDI_CHANNELS);

  1406. 

  1407.                     snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1408. 

  1409.                     seqEvent.type               = (note.velo > 0) ? SND_SEQ_EVENT_NOTEON : SND_SEQ_EVENT_NOTEOFF;

  1410.                     seqEvent.data.note.channel  = static_cast<uchar>(note.channel);

  1411.                     seqEvent.data.note.note     = note.note;

  1412.                     seqEvent.data.note.velocity = note.velo;

  1413.                 }

  1414. 

  1415.                 pData->extNotes.mutex.unlock();

  1416. 

  1417.             } // End of MIDI Input (External)

  1418. 

  1419.             // ----------------------------------------------------------------------------------------------------

  1420.             // Event Input (System)

  1421. 

  1422. #ifndef BUILD_BRIDGE

  1423.             bool       allNotesOffSent  = false;

  1424. #endif

  1425.             const bool isSampleAccurate = (pData->options & PLUGIN_OPTION_FIXED_BUFFERS) == 0;

  1426. 

  1427.             uint32_t startTime  = 0;

  1428.             uint32_t timeOffset = 0;

  1429.             uint32_t nextBankId;

  1430. 

  1431.             if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1432.                 nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1433.             else

  1434.                 nextBankId = 0;

  1435. 

  1436.             for (uint32_t i=0, numEvents=pData->event.portIn->getEventCount(); i < numEvents; ++i)

  1437.             {

  1438.                 const EngineEvent& event(pData->event.portIn->getEvent(i));

  1439. 

  1440.                 if (event.time >= frames)

  1441.                     continue;

  1442. 

  1443.                 CARLA_ASSERT_INT2(event.time >= timeOffset, event.time, timeOffset);

  1444. 

  1445.                 if (isSampleAccurate && event.time > timeOffset)

  1446.                 {

  1447.                     if (processSingle(audioIn, audioOut, cvIn, cvOut, event.time - timeOffset, timeOffset, midiEventCount))

  1448.                     {

  1449.                         startTime  = 0;

  1450.                         timeOffset = event.time;

  1451.                         midiEventCount = 0;

  1452. 

  1453.                         if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1454.                             nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1455.                         else

  1456.                             nextBankId = 0;

  1457.                     }

  1458.                     else

  1459.                         startTime += timeOffset;

  1460.                 }

  1461. 

  1462.                 switch (event.type)

  1463.                 {

  1464.                 case kEngineEventTypeNull:

  1465.                     break;

  1466. 

  1467.                 case kEngineEventTypeControl: {

  1468.                     const EngineControlEvent& ctrlEvent(event.ctrl);

  1469. 

  1470.                     switch (ctrlEvent.type)

  1471.                     {

  1472.                     case kEngineControlEventTypeNull:

  1473.                         break;

  1474. 

  1475.                     case kEngineControlEventTypeParameter: {

  1476. #ifndef BUILD_BRIDGE

  1477.                         // Control backend stuff

  1478.                         if (event.channel == pData->ctrlChannel)

  1479.                         {

  1480.                             float value;

  1481. 

  1482.                             if (MIDI_IS_CONTROL_BREATH_CONTROLLER(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_DRYWET) != 0)

  1483.                             {

  1484.                                 value = ctrlEvent.value;

  1485.                                 setDryWet(value, false, false);

  1486.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_DRYWET, 0, value);

  1487.                                 break;

  1488.                             }

  1489. 

  1490.                             if (MIDI_IS_CONTROL_CHANNEL_VOLUME(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_VOLUME) != 0)

  1491.                             {

  1492.                                 value = ctrlEvent.value*127.0f/100.0f;

  1493.                                 setVolume(value, false, false);

  1494.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_VOLUME, 0, value);

  1495.                                 break;

  1496.                             }

  1497. 

  1498.                             if (MIDI_IS_CONTROL_BALANCE(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_BALANCE) != 0)

  1499.                             {

  1500.                                 float left, right;

  1501.                                 value = ctrlEvent.value/0.5f - 1.0f;

  1502. 

  1503.                                 if (value < 0.0f)

  1504.                                 {

  1505.                                     left  = -1.0f;

  1506.                                     right = (value*2.0f)+1.0f;

  1507.                                 }

  1508.                                 else if (value > 0.0f)

  1509.                                 {

  1510.                                     left  = (value*2.0f)-1.0f;

  1511.                                     right = 1.0f;

  1512.                                 }

  1513.                                 else

  1514.                                 {

  1515.                                     left  = -1.0f;

  1516.                                     right = 1.0f;

  1517.                                 }

  1518. 

  1519.                                 setBalanceLeft(left, false, false);

  1520.                                 setBalanceRight(right, false, false);

  1521.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_LEFT, 0, left);

  1522.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_RIGHT, 0, right);

  1523.                                 break;

  1524.                             }

  1525.                         }

  1526. #endif

  1527.                         // Control plugin parameters

  1528.                         uint32_t k;

  1529.                         for (k=0; k < pData->param.count; ++k)

  1530.                         {

  1531.                             if (pData->param.data[k].midiChannel != event.channel)

  1532.                                 continue;

  1533.                             if (pData->param.data[k].midiCC != ctrlEvent.param)

  1534.                                 continue;

  1535.                             if (pData->param.data[k].type != PARAMETER_INPUT)

  1536.                                 continue;

  1537.                             if ((pData->param.data[k].hints & PARAMETER_IS_AUTOMABLE) == 0)

  1538.                                 continue;

  1539. 

  1540.                             float value;

  1541. 

  1542.                             if (pData->param.data[k].hints & PARAMETER_IS_BOOLEAN)

  1543.                             {

  1544.                                 value = (ctrlEvent.value < 0.5f) ? pData->param.ranges[k].min : pData->param.ranges[k].max;

  1545.                             }

  1546.                             else

  1547.                             {

  1548.                                 value = pData->param.ranges[k].getUnnormalizedValue(ctrlEvent.value);

  1549. 

  1550.                                 if (pData->param.data[k].hints & PARAMETER_IS_INTEGER)

  1551.                                     value = std::rint(value);

  1552.                             }

  1553. 

  1554.                             setParameterValue(k, value, false, false, false);

  1555.                             pData->postponeRtEvent(kPluginPostRtEventParameterChange, static_cast<int32_t>(k), 0, value);

  1556.                             break;

  1557.                         }

  1558. 

  1559.                         // check if event is already handled

  1560.                         if (k != pData->param.count)

  1561.                             break;

  1562. 

  1563.                         if ((pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0 && ctrlEvent.param < MAX_MIDI_CONTROL)

  1564.                         {

  1565.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1566.                                 continue;

  1567. 

  1568.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1569. 

  1570.                             seqEvent.time.tick = isSampleAccurate ? startTime : event.time;

  1571. 

  1572.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1573.                             seqEvent.data.control.channel = event.channel;

  1574.                             seqEvent.data.control.param   = ctrlEvent.param;

  1575.                             seqEvent.data.control.value   = int8_t(ctrlEvent.value*127.0f);

  1576.                         }

  1577.                         break;

  1578.                     } // case kEngineControlEventTypeParameter

  1579. 

  1580.                     case kEngineControlEventTypeMidiBank:

  1581.                         if (event.channel == pData->ctrlChannel && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1582.                             nextBankId = ctrlEvent.param;

  1583.                         break;

  1584. 

  1585.                     case kEngineControlEventTypeMidiProgram:

  1586.                         if (event.channel == pData->ctrlChannel && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1587.                         {

  1588.                             const uint32_t nextProgramId = ctrlEvent.param;

  1589. 

  1590.                             for (uint32_t k=0; k < pData->midiprog.count; ++k)

  1591.                             {

  1592.                                 if (pData->midiprog.data[k].bank == nextBankId && pData->midiprog.data[k].program == nextProgramId)

  1593.                                 {

  1594.                                     const int32_t index(static_cast<int32_t>(k));

  1595.                                     setMidiProgram(index, false, false, false);

  1596.                                     pData->postponeRtEvent(kPluginPostRtEventMidiProgramChange, index, 0, 0.0f);

  1597.                                     break;

  1598.                                 }

  1599.                             }

  1600.                         }

  1601.                         break;

  1602. 

  1603.                     case kEngineControlEventTypeAllSoundOff:

  1604.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1605.                         {

  1606.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1607.                                 continue;

  1608. 

  1609.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1610. 

  1611.                             seqEvent.time.tick = isSampleAccurate ? startTime : event.time;

  1612. 

  1613.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1614.                             seqEvent.data.control.channel = event.channel;

  1615.                             seqEvent.data.control.param   = MIDI_CONTROL_ALL_SOUND_OFF;

  1616.                         }

  1617.                         break;

  1618. 

  1619.                     case kEngineControlEventTypeAllNotesOff:

  1620.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1621.                         {

  1622. #ifndef BUILD_BRIDGE

  1623.                             if (event.channel == pData->ctrlChannel && ! allNotesOffSent)

  1624.                             {

  1625.                                 allNotesOffSent = true;

  1626.                                 sendMidiAllNotesOffToCallback();

  1627.                             }

  1628. #endif

  1629. 

  1630.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1631.                                 continue;

  1632. 

  1633.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1634. 

  1635.                             seqEvent.time.tick = isSampleAccurate ? startTime : event.time;

  1636. 

  1637.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1638.                             seqEvent.data.control.channel = event.channel;

  1639.                             seqEvent.data.control.param   = MIDI_CONTROL_ALL_NOTES_OFF;

  1640.                         }

  1641.                         break;

  1642.                     } // switch (ctrlEvent.type)

  1643.                     break;

  1644.                 } // case kEngineEventTypeControl

  1645. 

  1646.                 case kEngineEventTypeMidi: {

  1647.                     if (midiEventCount >= kPluginMaxMidiEvents)

  1648.                         continue;

  1649. 

  1650.                     const EngineMidiEvent& midiEvent(event.midi);

  1651. 

  1652.                     if (midiEvent.size > EngineMidiEvent::kDataSize)

  1653.                         continue;

  1654. 

  1655.                     uint8_t status = uint8_t(MIDI_GET_STATUS_FROM_DATA(midiEvent.data));

  1656. 

  1657.                     // Fix bad note-off (per DSSI spec)

  1658.                     if (status == MIDI_STATUS_NOTE_ON && midiEvent.data[2] == 0)

  1659.                         status = MIDI_STATUS_NOTE_OFF;

  1660. 

  1661.                     snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1662. 

  1663.                     seqEvent.time.tick = isSampleAccurate ? startTime : event.time;

  1664. 

  1665.                     switch (status)

  1666.                     {

  1667.                     case MIDI_STATUS_NOTE_OFF: {

  1668.                         const uint8_t note = midiEvent.data[1];

  1669. 

  1670.                         seqEvent.type = SND_SEQ_EVENT_NOTEOFF;

  1671.                         seqEvent.data.note.channel = event.channel;

  1672.                         seqEvent.data.note.note    = note;

  1673. 

  1674.                         pData->postponeRtEvent(kPluginPostRtEventNoteOff, event.channel, note, 0.0f);

  1675.                         break;

  1676.                     }

  1677. 

  1678.                     case MIDI_STATUS_NOTE_ON: {

  1679.                         const uint8_t note = midiEvent.data[1];

  1680.                         const uint8_t velo = midiEvent.data[2];

  1681. 

  1682.                         seqEvent.type = SND_SEQ_EVENT_NOTEON;

  1683.                         seqEvent.data.note.channel  = event.channel;

  1684.                         seqEvent.data.note.note     = note;

  1685.                         seqEvent.data.note.velocity = velo;

  1686. 

  1687.                         pData->postponeRtEvent(kPluginPostRtEventNoteOn, event.channel, note, velo);

  1688.                         break;

  1689.                     }

  1690. 

  1691.                     case MIDI_STATUS_POLYPHONIC_AFTERTOUCH:

  1692.                         if (pData->options & PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH)

  1693.                         {

  1694.                             const uint8_t note     = midiEvent.data[1];

  1695.                             const uint8_t pressure = midiEvent.data[2];

  1696. 

  1697.                             seqEvent.type = SND_SEQ_EVENT_KEYPRESS;

  1698.                             seqEvent.data.note.channel  = event.channel;

  1699.                             seqEvent.data.note.note     = note;

  1700.                             seqEvent.data.note.velocity = pressure;

  1701.                         }

  1702.                         break;

  1703. 

  1704.                     case MIDI_STATUS_CONTROL_CHANGE:

  1705.                         if (pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES)

  1706.                         {

  1707.                             const uint8_t control = midiEvent.data[1];

  1708.                             const uint8_t value   = midiEvent.data[2];

  1709. 

  1710.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1711.                             seqEvent.data.control.channel = event.channel;

  1712.                             seqEvent.data.control.param   = control;

  1713.                             seqEvent.data.control.value   = value;

  1714.                         }

  1715.                         break;

  1716. 

  1717.                     case MIDI_STATUS_CHANNEL_PRESSURE:

  1718.                         if (pData->options & PLUGIN_OPTION_SEND_CHANNEL_PRESSURE)

  1719.                         {

  1720.                             const uint8_t pressure = midiEvent.data[1];

  1721. 

  1722.                             seqEvent.type = SND_SEQ_EVENT_CHANPRESS;

  1723.                             seqEvent.data.control.channel = event.channel;

  1724.                             seqEvent.data.control.value   = pressure;

  1725.                         }

  1726.                         break;

  1727. 

  1728.                     case MIDI_STATUS_PITCH_WHEEL_CONTROL:

  1729.                         if (pData->options & PLUGIN_OPTION_SEND_PITCHBEND)

  1730.                         {

  1731.                             const uint8_t lsb = midiEvent.data[1];

  1732.                             const uint8_t msb = midiEvent.data[2];

  1733. 

  1734.                             seqEvent.type = SND_SEQ_EVENT_PITCHBEND;

  1735.                             seqEvent.data.control.channel = event.channel;

  1736.                             seqEvent.data.control.value   = ((msb << 7) | lsb) - 8192;

  1737.                         }

  1738.                         break;

  1739. 

  1740.                     default:

  1741.                         --midiEventCount;

  1742.                         break;

  1743.                     } // switch (status)

  1744.                 } break;

  1745.                 } // switch (event.type)

  1746.             }

  1747. 

  1748.             pData->postRtEvents.trySplice();

  1749. 

  1750.             if (frames > timeOffset)

  1751.                 processSingle(audioIn, audioOut, cvIn, cvOut, frames - timeOffset, timeOffset, midiEventCount);

  1752. 

  1753.         } // End of Event Input and Processing

  1754. 

  1755.         // --------------------------------------------------------------------------------------------------------

  1756.         // Plugin processing (no events)

  1757. 

  1758.         else

  1759.         {

  1760.             processSingle(audioIn, audioOut, cvIn, cvOut, frames, 0, midiEventCount);

  1761. 

  1762.         } // End of Plugin processing (no events)

  1763. 

  1764. #ifndef BUILD_BRIDGE

  1765.         // --------------------------------------------------------------------------------------------------------

  1766.         // Latency, save values for next callback

  1767. 

  1768.         if (fLatencyIndex != -1)

  1769.         {

  1770.             if (pData->latency != static_cast<uint32_t>(fParamBuffers[fLatencyIndex]))

  1771.             {

  1772.                 fLatencyChanged = true;

  1773.             }

  1774.             else if (pData->latency > 0)

  1775.             {

  1776.                 if (pData->latency <= frames)

  1777.                 {

  1778.                     for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1779.                         FloatVectorOperations::copy(pData->latencyBuffers[i], audioIn[i]+(frames-pData->latency), static_cast<int>(pData->latency));

  1780.                 }

  1781.                 else

  1782.                 {

  1783.                     for (uint32_t i=0, j, k; i < pData->audioIn.count; ++i)

  1784.                     {

  1785.                         for (k=0; k < pData->latency-frames; ++k)

  1786.                             pData->latencyBuffers[i][k] = pData->latencyBuffers[i][k+frames];

  1787.                         for (j=0; k < pData->latency; ++j, ++k)

  1788.                             pData->latencyBuffers[i][k] = audioIn[i][j];

  1789.                     }

  1790.                 }

  1791.             }

  1792.         }

  1793. 

  1794.         // --------------------------------------------------------------------------------------------------------

  1795.         // Control Output

  1796. 

  1797.         if (pData->event.portOut != nullptr)

  1798.         {

  1799.             uint8_t  channel;

  1800.             uint16_t param;

  1801.             float    value;

  1802. 

  1803.             for (uint32_t k=0; k < pData->param.count; ++k)

  1804.             {

  1805.                 if (pData->param.data[k].type != PARAMETER_OUTPUT)

  1806.                     continue;

  1807. 

  1808.                 pData->param.ranges[k].fixValue(fParamBuffers[k]);

  1809. 

  1810.                 if (pData->param.data[k].midiCC > 0)

  1811.                 {

  1812.                     channel = pData->param.data[k].midiChannel;

  1813.                     param   = static_cast<uint16_t>(pData->param.data[k].midiCC);

  1814.                     value   = pData->param.ranges[k].getNormalizedValue(fParamBuffers[k]);

  1815.                     pData->event.portOut->writeControlEvent(0, channel, kEngineControlEventTypeParameter, param, value);

  1816.                 }

  1817.             }

  1818.         } // End of Control Output

  1819. #endif

  1820.     }

  1821. 

  1822.     bool processSingle(const float** const audioIn, float** const audioOut, const float** const cvIn, float** const cvOut, const uint32_t frames, const uint32_t timeOffset, const ulong midiEventCount)

  1823.     {

  1824.         CARLA_SAFE_ASSERT_RETURN(frames > 0, false);

  1825. 

  1826.         if (pData->audioIn.count > 0)

  1827.         {

  1828.             CARLA_SAFE_ASSERT_RETURN(audioIn != nullptr, false);

  1829.         }

  1830.         if (pData->audioOut.count > 0)

  1831.         {

  1832.             CARLA_SAFE_ASSERT_RETURN(audioOut != nullptr, false);

  1833.         }

  1834.         if (pData->cvIn.count > 0)

  1835.         {

  1836.             CARLA_SAFE_ASSERT_RETURN(cvIn != nullptr, false);

  1837.         }

  1838.         if (pData->cvOut.count > 0)

  1839.         {

  1840.             CARLA_SAFE_ASSERT_RETURN(cvOut != nullptr, false);

  1841.         }

  1842. 

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

  1844.         // Try lock, silence otherwise

  1845. 

  1846.         if (pData->engine->isOffline())

  1847.         {

  1848.             pData->singleMutex.lock();

  1849.         }

  1850.         else if (! pData->singleMutex.tryLock())

  1851.         {

  1852.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1853.             {

  1854.                 for (uint32_t k=0; k < frames; ++k)

  1855.                     audioOut[i][k+timeOffset] = 0.0f;

  1856.             }

  1857.             for (uint32_t i=0; i < pData->cvOut.count; ++i)

  1858.             {

  1859.                 for (uint32_t k=0; k < frames; ++k)

  1860.                     cvOut[i][k+timeOffset] = 0.0f;

  1861.             }

  1862. 

  1863.             return false;

  1864.         }

  1865. 

  1866.         // --------------------------------------------------------------------------------------------------------

  1867.         // Set audio buffers

  1868. 

  1869.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1870.             FloatVectorOperations::copy(fAudioInBuffers[i], audioIn[i]+timeOffset, static_cast<int>(frames));

  1871. 

  1872.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1873.             FloatVectorOperations::clear(fAudioOutBuffers[i], static_cast<int>(frames));

  1874. 

  1875. #if 0

  1876.         // --------------------------------------------------------------------------------------------------------

  1877.         // Set CV buffers

  1878. 

  1879.         for (uint32_t i=0; i < pData->cvIn.count; ++i)

  1880.             FloatVectorOperations::copy(fCvInBuffers[i], cvIn[i]+timeOffset, static_cast<int>(frames));

  1881. 

  1882.         for (uint32_t i=0; i < pData->cvOut.count; ++i)

  1883.             FloatVectorOperations::clear(fCvOutBuffers[i], static_cast<int>(frames));

  1884. #endif

  1885. 

  1886.         // --------------------------------------------------------------------------------------------------------

  1887.         // Run plugin

  1888. 

  1889.         // TODO - try catch

  1890. 

  1891.         if (fDssiDescriptor->run_synth != nullptr)

  1892.         {

  1893.             fDssiDescriptor->run_synth(fHandle, frames, fMidiEvents, midiEventCount);

  1894. 

  1895.             if (fHandle2 != nullptr)

  1896.                 fDssiDescriptor->run_synth(fHandle2, frames, fMidiEvents, midiEventCount);

  1897.         }

  1898.         else if (fDssiDescriptor->run_multiple_synths != nullptr)

  1899.         {

  1900.             ulong instances = (fHandle2 != nullptr) ? 2 : 1;

  1901.             LADSPA_Handle handlePtr[2] = { fHandle, fHandle2 };

  1902.             snd_seq_event_t* midiEventsPtr[2] = { fMidiEvents, fMidiEvents };

  1903.             ulong midiEventCountPtr[2] = { midiEventCount, midiEventCount };

  1904.             fDssiDescriptor->run_multiple_synths(instances, handlePtr, frames, midiEventsPtr, midiEventCountPtr);

  1905.         }

  1906.         else

  1907.         {

  1908.             fDescriptor->run(fHandle, frames);

  1909. 

  1910.             if (fHandle2 != nullptr)

  1911.                 fDescriptor->run(fHandle2, frames);

  1912.         }

  1913. 

  1914. #ifndef BUILD_BRIDGE

  1915.         // --------------------------------------------------------------------------------------------------------

  1916.         // Post-processing (dry/wet, volume and balance)

  1917. 

  1918.         {

  1919.             const bool doDryWet  = (pData->hints & PLUGIN_CAN_DRYWET) != 0 && ! carla_compareFloats(pData->postProc.dryWet, 1.0f);

  1920.             const bool doBalance = (pData->hints & PLUGIN_CAN_BALANCE) != 0 && ! (carla_compareFloats(pData->postProc.balanceLeft, -1.0f) && carla_compareFloats(pData->postProc.balanceRight, 1.0f));

  1921.             const bool isMono    = (pData->audioIn.count == 1);

  1922. 

  1923.             bool isPair;

  1924.             float bufValue, oldBufLeft[doBalance ? frames : 1];

  1925. 

  1926.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1927.             {

  1928.                 // Dry/Wet

  1929.                 if (doDryWet)

  1930.                 {

  1931.                     for (uint32_t k=0; k < frames; ++k)

  1932.                     {

  1933.                         if (k < pData->latency)

  1934.                             bufValue = pData->latencyBuffers[isMono ? 0 : i][k];

  1935.                         else if (pData->latency < frames)

  1936.                             bufValue = fAudioInBuffers[isMono ? 0 : i][k-pData->latency];

  1937.                         else

  1938.                             bufValue = fAudioInBuffers[isMono ? 0 : i][k];

  1939. 

  1940.                         fAudioOutBuffers[i][k] = (fAudioOutBuffers[i][k] * pData->postProc.dryWet) + (bufValue * (1.0f - pData->postProc.dryWet));

  1941.                     }

  1942.                 }

  1943. 

  1944.                 // Balance

  1945.                 if (doBalance)

  1946.                 {

  1947.                     isPair = (i % 2 == 0);

  1948. 

  1949.                     if (isPair)

  1950.                     {

  1951.                         CARLA_ASSERT(i+1 < pData->audioOut.count);

  1952.                         FloatVectorOperations::copy(oldBufLeft, fAudioOutBuffers[i], static_cast<int>(frames));

  1953.                     }

  1954. 

  1955.                     float balRangeL = (pData->postProc.balanceLeft  + 1.0f)/2.0f;

  1956.                     float balRangeR = (pData->postProc.balanceRight + 1.0f)/2.0f;

  1957. 

  1958.                     for (uint32_t k=0; k < frames; ++k)

  1959.                     {

  1960.                         if (isPair)

  1961.                         {

  1962.                             // left

  1963.                             fAudioOutBuffers[i][k]  = oldBufLeft[k]            * (1.0f - balRangeL);

  1964.                             fAudioOutBuffers[i][k] += fAudioOutBuffers[i+1][k] * (1.0f - balRangeR);

  1965.                         }

  1966.                         else

  1967.                         {

  1968.                             // right

  1969.                             fAudioOutBuffers[i][k]  = fAudioOutBuffers[i][k] * balRangeR;

  1970.                             fAudioOutBuffers[i][k] += oldBufLeft[k]          * balRangeL;

  1971.                         }

  1972.                     }

  1973.                 }

  1974. 

  1975.                 // Volume (and buffer copy)

  1976.                 {

  1977.                     for (uint32_t k=0; k < frames; ++k)

  1978.                         audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k] * pData->postProc.volume;

  1979.                 }

  1980.             }

  1981. 

  1982.         } // End of Post-processing

  1983. 

  1984. #else // BUILD_BRIDGE

  1985.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1986.         {

  1987.             for (uint32_t k=0; k < frames; ++k)

  1988.                 audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k];

  1989.         }

  1990. #endif

  1991. 

  1992. #if 0

  1993.         for (uint32_t i=0; i < pData->cvOut.count; ++i)

  1994.         {

  1995.             for (uint32_t k=0; k < frames; ++k)

  1996.                 cvOut[i][k+timeOffset] = fCvOutBuffers[i][k];

  1997.         }

  1998. #endif

  1999. 

  2000.         // --------------------------------------------------------------------------------------------------------

  2001. 

  2002.         pData->singleMutex.unlock();

  2003.         return true;

  2004.     }

  2005. 

  2006.     void bufferSizeChanged(const uint32_t newBufferSize) override

  2007.     {

  2008.         CARLA_ASSERT_INT(newBufferSize > 0, newBufferSize);

  2009.         carla_debug("CarlaPluginDSSI::bufferSizeChanged(%i) - start", newBufferSize);

  2010. 

  2011.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2012.         {

  2013.             if (fAudioInBuffers[i] != nullptr)

  2014.                 delete[] fAudioInBuffers[i];

  2015.             fAudioInBuffers[i] = new float[newBufferSize];

  2016.         }

  2017. 

  2018.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2019.         {

  2020.             if (fAudioOutBuffers[i] != nullptr)

  2021.                 delete[] fAudioOutBuffers[i];

  2022.             fAudioOutBuffers[i] = new float[newBufferSize];

  2023.         }

  2024. 

  2025.         if (fHandle2 == nullptr)

  2026.         {

  2027.             for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2028.             {

  2029.                 CARLA_ASSERT(fAudioInBuffers[i] != nullptr);

  2030. 

  2031.                 try {

  2032.                     fDescriptor->connect_port(fHandle, pData->audioIn.ports[i].rindex, fAudioInBuffers[i]);

  2033.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port audio input");

  2034.             }

  2035. 

  2036.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2037.             {

  2038.                 CARLA_ASSERT(fAudioOutBuffers[i] != nullptr);

  2039. 

  2040.                 try {

  2041.                     fDescriptor->connect_port(fHandle, pData->audioOut.ports[i].rindex, fAudioOutBuffers[i]);

  2042.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port audio output");

  2043.             }

  2044.         }

  2045.         else

  2046.         {

  2047.             if (pData->audioIn.count > 0)

  2048.             {

  2049.                 CARLA_ASSERT(pData->audioIn.count == 2);

  2050.                 CARLA_ASSERT(fAudioInBuffers[0] != nullptr);

  2051.                 CARLA_ASSERT(fAudioInBuffers[1] != nullptr);

  2052. 

  2053.                 try {

  2054.                     fDescriptor->connect_port(fHandle, pData->audioIn.ports[0].rindex, fAudioInBuffers[0]);

  2055.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port audio input #1");

  2056. 

  2057.                 try {

  2058.                     fDescriptor->connect_port(fHandle2, pData->audioIn.ports[1].rindex, fAudioInBuffers[1]);

  2059.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port audio input #2");

  2060.             }

  2061. 

  2062.             if (pData->audioOut.count > 0)

  2063.             {

  2064.                 CARLA_ASSERT(pData->audioOut.count == 2);

  2065.                 CARLA_ASSERT(fAudioOutBuffers[0] != nullptr);

  2066.                 CARLA_ASSERT(fAudioOutBuffers[1] != nullptr);

  2067. 

  2068.                 try {

  2069.                     fDescriptor->connect_port(fHandle, pData->audioOut.ports[0].rindex, fAudioOutBuffers[0]);

  2070.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port audio output #1");

  2071. 

  2072.                 try {

  2073.                     fDescriptor->connect_port(fHandle2, pData->audioOut.ports[1].rindex, fAudioOutBuffers[1]);

  2074.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port audio output #2");

  2075.             }

  2076.         }

  2077. 

  2078.         carla_debug("CarlaPluginDSSI::bufferSizeChanged(%i) - end", newBufferSize);

  2079.     }

  2080. 

  2081.     void sampleRateChanged(const double newSampleRate) override

  2082.     {

  2083.         CARLA_ASSERT_INT(newSampleRate > 0.0, newSampleRate);

  2084.         carla_debug("CarlaPluginDSSI::sampleRateChanged(%g) - start", newSampleRate);

  2085. 

  2086.         // TODO

  2087.         (void)newSampleRate;

  2088. 

  2089.         carla_debug("CarlaPluginDSSI::sampleRateChanged(%g) - end", newSampleRate);

  2090.     }

  2091. 

  2092.     // -------------------------------------------------------------------

  2093.     // Plugin buffers

  2094. 

  2095.     void clearBuffers() noexcept override

  2096.     {

  2097.         carla_debug("CarlaPluginDSSI::clearBuffers() - start");

  2098. 

  2099.         if (fAudioInBuffers != nullptr)

  2100.         {

  2101.             for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2102.             {

  2103.                 if (fAudioInBuffers[i] != nullptr)

  2104.                 {

  2105.                     delete[] fAudioInBuffers[i];

  2106.                     fAudioInBuffers[i] = nullptr;

  2107.                 }

  2108.             }

  2109. 

  2110.             delete[] fAudioInBuffers;

  2111.             fAudioInBuffers = nullptr;

  2112.         }

  2113. 

  2114.         if (fAudioOutBuffers != nullptr)

  2115.         {

  2116.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2117.             {

  2118.                 if (fAudioOutBuffers[i] != nullptr)

  2119.                 {

  2120.                     delete[] fAudioOutBuffers[i];

  2121.                     fAudioOutBuffers[i] = nullptr;

  2122.                 }

  2123.             }

  2124. 

  2125.             delete[] fAudioOutBuffers;

  2126.             fAudioOutBuffers = nullptr;

  2127.         }

  2128. 

  2129.         if (fParamBuffers != nullptr)

  2130.         {

  2131.             delete[] fParamBuffers;

  2132.             fParamBuffers = nullptr;

  2133.         }

  2134. 

  2135.         CarlaPlugin::clearBuffers();

  2136. 

  2137.         carla_debug("CarlaPluginDSSI::clearBuffers() - end");

  2138.     }

  2139. 

  2140. #ifdef HAVE_LIBLO

  2141.     // -------------------------------------------------------------------

  2142.     // OSC stuff

  2143. 

  2144.     void handleOscMessage(const char* const method, const int argc, const void* const argvx, const char* const types, const lo_message msg) override

  2145.     {

  2146.         const lo_address source(lo_message_get_source(msg));

  2147.         CARLA_SAFE_ASSERT_RETURN(source != nullptr,);

  2148. 

  2149.         // protocol for DSSI UIs *must* be UDP

  2150.         CARLA_SAFE_ASSERT_RETURN(lo_address_get_protocol(source) == LO_UDP,);

  2151. 

  2152.         if (fOscData.source == nullptr)

  2153.         {

  2154.             // if no UI is registered yet only "update" message is valid

  2155.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(method, "update") == 0,)

  2156.         }

  2157.         else

  2158.         {

  2159.             // make sure message source is the DSSI UI

  2160.             const char* const msghost = lo_address_get_hostname(source);

  2161.             const char* const msgport = lo_address_get_port(source);

  2162. 

  2163.             const char* const ourhost = lo_address_get_hostname(fOscData.source);

  2164.             const char* const ourport = lo_address_get_port(fOscData.source);

  2165. 

  2166.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(msghost, ourhost) == 0,);

  2167.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(msgport, ourport) == 0,);

  2168.         }

  2169. 

  2170.         const lo_arg* const* const argv(static_cast<const lo_arg* const* const>(argvx));

  2171. 

  2172.         if (std::strcmp(method, "configure") == 0)

  2173.             return handleOscMessageConfigure(argc, argv, types);

  2174.         if (std::strcmp(method, "control") == 0)

  2175.             return handleOscMessageControl(argc, argv, types);

  2176.         if (std::strcmp(method, "program") == 0)

  2177.             return handleOscMessageProgram(argc, argv, types);

  2178.         if (std::strcmp(method, "midi") == 0)

  2179.             return handleOscMessageMIDI(argc, argv, types);

  2180.         if (std::strcmp(method, "update") == 0)

  2181.             return handleOscMessageUpdate(argc, argv, types, lo_message_get_source(msg));

  2182.         if (std::strcmp(method, "exiting") == 0)

  2183.             return handleOscMessageExiting();

  2184. 

  2185.         carla_stdout("CarlaPluginDSSI::handleOscMessage() - unknown method '%s'", method);

  2186.     }

  2187. 

  2188.     void handleOscMessageConfigure(const int argc, const lo_arg* const* const argv, const char* const types)

  2189.     {

  2190.         carla_debug("CarlaPluginDSSI::handleMsgConfigure()");

  2191.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "ss");

  2192. 

  2193.         const char* const key   = (const char*)&argv[0]->s;

  2194.         const char* const value = (const char*)&argv[1]->s;

  2195. 

  2196.         setCustomData(CUSTOM_DATA_TYPE_STRING, key, value, false);

  2197.     }

  2198. 

  2199.     void handleOscMessageControl(const int argc, const lo_arg* const* const argv, const char* const types)

  2200.     {

  2201.         carla_debug("CarlaPluginDSSI::handleMsgControl()");

  2202.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "if");

  2203. 

  2204.         const int32_t rindex = argv[0]->i;

  2205.         const float   value  = argv[1]->f;

  2206. 

  2207.         setParameterValueByRealIndex(rindex, value, false, true, true);

  2208.     }

  2209. 

  2210.     void handleOscMessageProgram(const int argc, const lo_arg* const* const argv, const char* const types)

  2211.     {

  2212.         carla_debug("CarlaPluginDSSI::handleMsgProgram()");

  2213.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "ii");

  2214. 

  2215.         const int32_t bank    = argv[0]->i;

  2216.         const int32_t program = argv[1]->i;

  2217. 

  2218.         CARLA_SAFE_ASSERT_RETURN(bank >= 0,);

  2219.         CARLA_SAFE_ASSERT_RETURN(program >= 0,);

  2220. 

  2221.         setMidiProgramById(static_cast<uint32_t>(bank), static_cast<uint32_t>(program), false, true, true);

  2222.     }

  2223. 

  2224.     void handleOscMessageMIDI(const int argc, const lo_arg* const* const argv, const char* const types)

  2225.     {

  2226.         carla_debug("CarlaPluginDSSI::handleMsgMidi()");

  2227.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(1, "m");

  2228. 

  2229.         if (getMidiInCount() == 0)

  2230.         {

  2231.             carla_stderr("CarlaPluginDSSI::handleMsgMidi() - received midi when plugin has no midi inputs");

  2232.             return;

  2233.         }

  2234. 

  2235.         const uint8_t* const data = argv[0]->m;

  2236.         uint8_t status  = data[1];

  2237.         uint8_t channel = status & 0x0F;

  2238. 

  2239.         // Fix bad note-off

  2240.         if (MIDI_IS_STATUS_NOTE_ON(status) && data[3] == 0)

  2241.             status = MIDI_STATUS_NOTE_OFF;

  2242. 

  2243.         if (MIDI_IS_STATUS_NOTE_OFF(status))

  2244.         {

  2245.             const uint8_t note = data[2];

  2246. 

  2247.             CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2248. 

  2249.             sendMidiSingleNote(channel, note, 0, false, true, true);

  2250.         }

  2251.         else if (MIDI_IS_STATUS_NOTE_ON(status))

  2252.         {

  2253.             const uint8_t note = data[2];

  2254.             const uint8_t velo = data[3];

  2255. 

  2256.             CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2257.             CARLA_SAFE_ASSERT_RETURN(velo < MAX_MIDI_VALUE,);

  2258. 

  2259.             sendMidiSingleNote(channel, note, velo, false, true, true);

  2260.         }

  2261.     }

  2262. 

  2263.     void handleOscMessageUpdate(const int argc, const lo_arg* const* const argv, const char* const types, const lo_address source)

  2264.     {

  2265.         carla_debug("CarlaPluginDSSI::handleMsgUpdate()");

  2266.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(1, "s");

  2267. 

  2268.         const char* const url = (const char*)&argv[0]->s;

  2269. 

  2270.         // FIXME - remove debug prints later

  2271.         carla_stdout("CarlaPluginDSSI::updateOscData(%p, \"%s\")", source, url);

  2272. 

  2273.         fOscData.clear();

  2274. 

  2275.         const int proto = lo_address_get_protocol(source);

  2276. 

  2277.         {

  2278.             const char* host = lo_address_get_hostname(source);

  2279.             const char* port = lo_address_get_port(source);

  2280.             fOscData.source = lo_address_new_with_proto(proto, host, port);

  2281. 

  2282.             carla_stdout("CarlaPlugin::updateOscData() - source: host \"%s\", port \"%s\"", host, port);

  2283.         }

  2284. 

  2285.         {

  2286.             char* host = lo_url_get_hostname(url);

  2287.             char* port = lo_url_get_port(url);

  2288.             fOscData.path   = carla_strdup_free(lo_url_get_path(url));

  2289.             fOscData.target = lo_address_new_with_proto(proto, host, port);

  2290.             carla_stdout("CarlaPlugin::updateOscData() - target: host \"%s\", port \"%s\", path \"%s\"", host, port, fOscData.path);

  2291. 

  2292.             std::free(host);

  2293.             std::free(port);

  2294.         }

  2295. 

  2296.         osc_send_sample_rate(fOscData, static_cast<float>(pData->engine->getSampleRate()));

  2297. 

  2298.         for (LinkedList<CustomData>::Itenerator it = pData->custom.begin(); it.valid(); it.next())

  2299.         {

  2300.             const CustomData& customData(it.getValue(kCustomDataFallback));

  2301.             CARLA_SAFE_ASSERT_CONTINUE(customData.isValid());

  2302. 

  2303.             if (std::strcmp(customData.type, CUSTOM_DATA_TYPE_STRING) == 0)

  2304.                 osc_send_configure(fOscData, customData.key, customData.value);

  2305.         }

  2306. 

  2307.         if (pData->prog.current >= 0)

  2308.             osc_send_program(fOscData, static_cast<uint32_t>(pData->prog.current));

  2309. 

  2310.         if (pData->midiprog.current >= 0)

  2311.         {

  2312.             const MidiProgramData& curMidiProg(pData->midiprog.getCurrent());

  2313. 

  2314.             if (getType() == PLUGIN_DSSI)

  2315.                 osc_send_program(fOscData, curMidiProg.bank, curMidiProg.program);

  2316.             else

  2317.                 osc_send_midi_program(fOscData, curMidiProg.bank, curMidiProg.program);

  2318.         }

  2319. 

  2320.         for (uint32_t i=0; i < pData->param.count; ++i)

  2321.             osc_send_control(fOscData, pData->param.data[i].rindex, getParameterValue(i));

  2322. 

  2323.         if ((pData->hints & PLUGIN_HAS_CUSTOM_UI) != 0 && pData->engine->getOptions().frontendWinId != 0)

  2324.             pData->transientTryCounter = 1;

  2325. 

  2326.         carla_stdout("CarlaPluginDSSI::updateOscData() - done");

  2327.     }

  2328. 

  2329.     void handleOscMessageExiting()

  2330.     {

  2331.         carla_debug("CarlaPluginDSSI::handleMsgExiting()");

  2332. 

  2333.         // hide UI

  2334.         showCustomUI(false);

  2335. 

  2336.         // tell frontend

  2337.         pData->engine->callback(ENGINE_CALLBACK_UI_STATE_CHANGED, pData->id, 0, 0, 0.0f, nullptr);

  2338.     }

  2339. #endif

  2340. 

  2341. #ifdef HAVE_LIBLO

  2342.     // -------------------------------------------------------------------

  2343.     // Post-poned UI Stuff

  2344. 

  2345.     void uiParameterChange(const uint32_t index, const float value) noexcept override

  2346.     {

  2347.         CARLA_SAFE_ASSERT_RETURN(index < pData->param.count,);

  2348. 

  2349.         if (fOscData.target == nullptr)

  2350.             return;

  2351. 

  2352.         osc_send_control(fOscData, pData->param.data[index].rindex, value);

  2353.     }

  2354. 

  2355.     void uiMidiProgramChange(const uint32_t index) noexcept override

  2356.     {

  2357.         CARLA_SAFE_ASSERT_RETURN(index < pData->midiprog.count,);

  2358. 

  2359.         if (fOscData.target == nullptr)

  2360.             return;

  2361. 

  2362.         osc_send_program(fOscData, pData->midiprog.data[index].bank, pData->midiprog.data[index].program);

  2363.     }

  2364. 

  2365.     void uiNoteOn(const uint8_t channel, const uint8_t note, const uint8_t velo) noexcept override

  2366.     {

  2367.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2368.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2369.         CARLA_SAFE_ASSERT_RETURN(velo > 0 && velo < MAX_MIDI_VALUE,);

  2370. 

  2371.         if (fOscData.target == nullptr)

  2372.             return;

  2373. 

  2374. #if 0

  2375.         uint8_t midiData[4];

  2376.         midiData[0] = 0;

  2377.         midiData[1] = uint8_t(MIDI_STATUS_NOTE_ON | (channel & MIDI_CHANNEL_BIT));

  2378.         midiData[2] = note;

  2379.         midiData[3] = velo;

  2380. 

  2381.         osc_send_midi(fOscData, midiData);

  2382. #endif

  2383.     }

  2384. 

  2385.     void uiNoteOff(const uint8_t channel, const uint8_t note) noexcept override

  2386.     {

  2387.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2388.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2389. 

  2390.         if (fOscData.target == nullptr)

  2391.             return;

  2392. 

  2393. #if 0

  2394.         uint8_t midiData[4];

  2395.         midiData[0] = 0;

  2396.         midiData[1] = uint8_t(MIDI_STATUS_NOTE_ON | (channel & MIDI_CHANNEL_BIT));

  2397.         midiData[2] = note;

  2398.         midiData[3] = 0;

  2399. 

  2400.         osc_send_midi(fOscData, midiData);

  2401. #endif

  2402.     }

  2403. #endif

  2404. 

  2405.     // -------------------------------------------------------------------

  2406. 

  2407.     void* getNativeHandle() const noexcept override

  2408.     {

  2409.         return fHandle;

  2410.     }

  2411. 

  2412.     const void* getNativeDescriptor() const noexcept override

  2413.     {

  2414.         return fDssiDescriptor;

  2415.     }

  2416. 

  2417. #ifdef HAVE_LIBLO

  2418.     uintptr_t getUiBridgeProcessId() const noexcept override

  2419.     {

  2420.         return fThreadUI.getProcessPID();

  2421.     }

  2422. 

  2423.     const void* getExtraStuff() const noexcept override

  2424.     {

  2425.         return fUiFilename;

  2426.     }

  2427. #endif

  2428. 

  2429.     // -------------------------------------------------------------------

  2430. 

  2431.     bool init(const char* const filename, const char* const name, const char* const label)

  2432.     {

  2433.         CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr, false);

  2434. 

  2435.         // ---------------------------------------------------------------

  2436.         // first checks

  2437. 

  2438.         if (pData->client != nullptr)

  2439.         {

  2440.             pData->engine->setLastError("Plugin client is already registered");

  2441.             return false;

  2442.         }

  2443. 

  2444.         if (filename == nullptr || filename[0] == '\0')

  2445.         {

  2446.             pData->engine->setLastError("null filename");

  2447.             return false;

  2448.         }

  2449. 

  2450.         if (label == nullptr || label[0] == '\0')

  2451.         {

  2452.             pData->engine->setLastError("null label");

  2453.             return false;

  2454.         }

  2455. 

  2456.         // ---------------------------------------------------------------

  2457.         // open DLL

  2458. 

  2459.         if (! pData->libOpen(filename))

  2460.         {

  2461.             pData->engine->setLastError(pData->libError(filename));

  2462.             return false;

  2463.         }

  2464. 

  2465.         // ---------------------------------------------------------------

  2466.         // get DLL main entry

  2467. 

  2468.         const DSSI_Descriptor_Function descFn = pData->libSymbol<DSSI_Descriptor_Function>("dssi_descriptor");

  2469. 

  2470.         if (descFn == nullptr)

  2471.         {

  2472.             pData->engine->setLastError("Could not find the DSSI Descriptor in the plugin library");

  2473.             return false;

  2474.         }

  2475. 

  2476.         // ---------------------------------------------------------------

  2477.         // get descriptor that matches label

  2478. 

  2479.         ulong i = 0;

  2480. 

  2481.         for (;;)

  2482.         {

  2483.             try {

  2484.                 fDssiDescriptor = descFn(i++);

  2485.             }

  2486.             catch(...) {

  2487.                 carla_stderr2("Caught exception when trying to get LADSPA descriptor");

  2488.                 fDescriptor     = nullptr;

  2489.                 fDssiDescriptor = nullptr;

  2490.                 break;

  2491.             }

  2492. 

  2493.             if (fDssiDescriptor == nullptr)

  2494.                 break;

  2495. 

  2496.             fDescriptor = fDssiDescriptor->LADSPA_Plugin;

  2497. 

  2498.             if (fDescriptor == nullptr)

  2499.             {

  2500.                 carla_stderr2("WARNING - Missing LADSPA interface, will not use this plugin");

  2501.                 fDssiDescriptor = nullptr;

  2502.                 break;

  2503.             }

  2504.             if (fDescriptor->Label == nullptr || fDescriptor->Label[0] == '\0')

  2505.             {

  2506.                 carla_stderr2("WARNING - Got an invalid label, will not use this plugin");

  2507.                 fDescriptor     = nullptr;

  2508.                 fDssiDescriptor = nullptr;

  2509.                 break;

  2510.             }

  2511.             if (fDescriptor->run == nullptr)

  2512.             {

  2513.                 carla_stderr2("WARNING - Plugin has no run, cannot use it");

  2514.                 fDescriptor     = nullptr;

  2515.                 fDssiDescriptor = nullptr;

  2516.                 break;

  2517.             }

  2518. 

  2519.             if (std::strcmp(fDescriptor->Label, label) == 0)

  2520.                 break;

  2521.         }

  2522. 

  2523.         if (fDescriptor == nullptr || fDssiDescriptor == nullptr)

  2524.         {

  2525.             pData->engine->setLastError("Could not find the requested plugin label in the plugin library");

  2526.             return false;

  2527.         }

  2528. 

  2529.         // ---------------------------------------------------------------

  2530.         // check if uses global instance

  2531. 

  2532.         if (fDssiDescriptor->run_synth == nullptr && fDssiDescriptor->run_multiple_synths != nullptr)

  2533.         {

  2534.             if (! addUniqueMultiSynth(fDescriptor->Label))

  2535.             {

  2536.                 pData->engine->setLastError("This plugin uses a global instance and can't be used more than once safely");

  2537.                 return false;

  2538.             }

  2539.         }

  2540. 

  2541.         // ---------------------------------------------------------------

  2542.         // get info

  2543. 

  2544.         if (name != nullptr && name[0] != '\0')

  2545.             pData->name = pData->engine->getUniquePluginName(name);

  2546.         else if (fDescriptor->Name != nullptr && fDescriptor->Name[0] != '\0')

  2547.             pData->name = pData->engine->getUniquePluginName(fDescriptor->Name);

  2548.         else

  2549.             pData->name = pData->engine->getUniquePluginName(fDescriptor->Label);

  2550. 

  2551.         pData->filename = carla_strdup(filename);

  2552. 

  2553.         // ---------------------------------------------------------------

  2554.         // register client

  2555. 

  2556.         pData->client = pData->engine->addClient(this);

  2557. 

  2558.         if (pData->client == nullptr || ! pData->client->isOk())

  2559.         {

  2560.             pData->engine->setLastError("Failed to register plugin client");

  2561.             return false;

  2562.         }

  2563. 

  2564.         // ---------------------------------------------------------------

  2565.         // initialize plugin

  2566. 

  2567.         try {

  2568.             fHandle = fDescriptor->instantiate(fDescriptor, (ulong)pData->engine->getSampleRate());

  2569.         } CARLA_SAFE_EXCEPTION("DSSI instantiate");

  2570. 

  2571.         if (fHandle == nullptr)

  2572.         {

  2573.             pData->engine->setLastError("Plugin failed to initialize");

  2574.             return false;

  2575.         }

  2576. 

  2577.         // ---------------------------------------------------------------

  2578.         // check for custom data extension

  2579. 

  2580.         if (fDssiDescriptor->configure != nullptr)

  2581.         {

  2582.             if (char* const error = fDssiDescriptor->configure(fHandle, DSSI_CUSTOMDATA_EXTENSION_KEY, ""))

  2583.             {

  2584.                 if (std::strcmp(error, "true") == 0 && fDssiDescriptor->get_custom_data != nullptr && fDssiDescriptor->set_custom_data != nullptr)

  2585.                     fUsesCustomData = true;

  2586. 

  2587.                 std::free(error);

  2588.             }

  2589.         }

  2590. 

  2591. #ifdef HAVE_LIBLO

  2592.         // ---------------------------------------------------------------

  2593.         // gui stuff

  2594. 

  2595.         if (const char* const guiFilename = find_dssi_ui(filename, fDescriptor->Label))

  2596.         {

  2597.             fThreadUI.setData(guiFilename, fDescriptor->Label);

  2598.             fUiFilename = guiFilename;

  2599.         }

  2600. #endif

  2601. 

  2602.         // ---------------------------------------------------------------

  2603.         // set default options

  2604. 

  2605. #ifdef __USE_GNU

  2606.         const bool isDssiVst(strcasestr(pData->filename, "dssi-vst") != nullptr);

  2607. #else

  2608.         const bool isDssiVst(std::strstr(pData->filename, "dssi-vst") != nullptr);

  2609. #endif

  2610. 

  2611.         pData->options = 0x0;

  2612. 

  2613.         if (fLatencyIndex >= 0 || isDssiVst)

  2614.             pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;

  2615. 

  2616.         if (pData->engine->getOptions().forceStereo)

  2617.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  2618. 

  2619.         if (fUsesCustomData)

  2620.             pData->options |= PLUGIN_OPTION_USE_CHUNKS;

  2621. 

  2622.         if (fDssiDescriptor->get_program != nullptr && fDssiDescriptor->select_program != nullptr)

  2623.             pData->options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  2624. 

  2625.         if (fDssiDescriptor->run_synth != nullptr || fDssiDescriptor->run_multiple_synths != nullptr)

  2626.         {

  2627.             pData->options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  2628.             pData->options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  2629.             pData->options |= PLUGIN_OPTION_SEND_PITCHBEND;

  2630.             pData->options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  2631. 

  2632.             if (fDssiDescriptor->run_synth == nullptr)

  2633.                 carla_stderr("WARNING: Plugin can ONLY use run_multiple_synths!");

  2634.         }

  2635. 

  2636.         return true;

  2637.     }

  2638. 

  2639.     // -------------------------------------------------------------------

  2640. 

  2641. private:

  2642.     LADSPA_Handle fHandle;

  2643.     LADSPA_Handle fHandle2;

  2644.     const LADSPA_Descriptor* fDescriptor;

  2645.     const DSSI_Descriptor*   fDssiDescriptor;

  2646. 

  2647.     bool fUsesCustomData;

  2648. #ifdef HAVE_LIBLO

  2649.     const char* fUiFilename;

  2650. #endif

  2651. 

  2652.     float** fAudioInBuffers;

  2653.     float** fAudioOutBuffers;

  2654.     float*  fParamBuffers;

  2655. 

  2656.     bool    fLatencyChanged;

  2657.     int32_t fLatencyIndex; // -1 if invalid

  2658. 

  2659.     snd_seq_event_t fMidiEvents[kPluginMaxMidiEvents];

  2660. 

  2661. #ifdef HAVE_LIBLO

  2662.     CarlaOscData      fOscData;

  2663.     CarlaThreadDSSIUI fThreadUI;

  2664. #endif

  2665. 

  2666.     // -------------------------------------------------------------------

  2667. 

  2668.     uint32_t getSafePortCount() const noexcept

  2669.     {

  2670.         if (fDescriptor->PortCount == 0)

  2671.             return 0;

  2672. 

  2673.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortDescriptors != nullptr, 0);

  2674.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortRangeHints != nullptr, 0);

  2675.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortNames != nullptr, 0);

  2676. 

  2677.         return static_cast<uint32_t>(fDescriptor->PortCount);

  2678.     }

  2679. 

  2680.     bool getSeparatedParameterNameOrUnit(const char* const paramName, char* const strBuf, const bool wantName) const noexcept

  2681.     {

  2682.         if (_getSeparatedParameterNameOrUnitImpl(paramName, strBuf, wantName, true))

  2683.             return true;

  2684.         if (_getSeparatedParameterNameOrUnitImpl(paramName, strBuf, wantName, false))

  2685.             return true;

  2686.         return false;

  2687.     }

  2688. 

  2689.     bool _getSeparatedParameterNameOrUnitImpl(const char* const paramName, char* const strBuf, const bool wantName, const bool useBracket) const noexcept

  2690.     {

  2691.         const char* const sepBracketStart(std::strstr(paramName, useBracket ? " [" : " ("));

  2692. 

  2693.         if (sepBracketStart == nullptr)

  2694.             return false;

  2695. 

  2696.         const char* const sepBracketEnd(std::strstr(sepBracketStart, useBracket ? "]" : ")"));

  2697. 

  2698.         if (sepBracketEnd == nullptr)

  2699.             return false;

  2700. 

  2701.         const size_t unitSize(static_cast<size_t>(sepBracketEnd-sepBracketStart-2));

  2702. 

  2703.         if (unitSize > 7) // very unlikely to have such big unit

  2704.             return false;

  2705. 

  2706.         const size_t sepIndex(std::strlen(paramName)-unitSize-3);

  2707. 

  2708.         // just in case

  2709.         if (sepIndex > STR_MAX)

  2710.             return false;

  2711. 

  2712.         if (wantName)

  2713.         {

  2714.             std::strncpy(strBuf, paramName, sepIndex);

  2715.             strBuf[sepIndex] = '\0';

  2716.         }

  2717.         else

  2718.         {

  2719.             std::strncpy(strBuf, paramName+(sepIndex+2), unitSize);

  2720.             strBuf[unitSize] = '\0';

  2721.         }

  2722. 

  2723.         return true;

  2724.     }

  2725. 

  2726.     // -------------------------------------------------------------------

  2727. 

  2728.     static LinkedList<const char*> sMultiSynthList;

  2729. 

  2730.     static bool addUniqueMultiSynth(const char* const label) noexcept

  2731.     {

  2732.         CARLA_SAFE_ASSERT_RETURN(label != nullptr && label[0] != '\0', false);

  2733. 

  2734.         const char* dlabel = nullptr;

  2735. 

  2736.         try {

  2737.             dlabel = carla_strdup(label);

  2738.         } catch(...) { return false; }

  2739. 

  2740.         for (LinkedList<const char*>::Itenerator it = sMultiSynthList.begin(); it.valid(); it.next())

  2741.         {

  2742.             const char* const itLabel(it.getValue());

  2743. 

  2744.             if (std::strcmp(dlabel, itLabel) == 0)

  2745.             {

  2746.                 delete[] dlabel;

  2747.                 return false;

  2748.             }

  2749.         }

  2750. 

  2751.         return sMultiSynthList.append(dlabel);

  2752.     }

  2753. 

  2754.     static void removeUniqueMultiSynth(const char* const label) noexcept

  2755.     {

  2756.         CARLA_SAFE_ASSERT_RETURN(label != nullptr && label[0] != '\0',);

  2757. 

  2758.         for (LinkedList<const char*>::Itenerator it = sMultiSynthList.begin(); it.valid(); it.next())

  2759.         {

  2760.             const char* const itLabel(it.getValue());

  2761. 

  2762.             if (std::strcmp(label, itLabel) == 0)

  2763.             {

  2764.                 sMultiSynthList.remove(it);

  2765.                 delete[] itLabel;

  2766.                 break;

  2767.             }

  2768.         }

  2769.     }

  2770. 

  2771.     // -------------------------------------------------------------------

  2772. 

  2773.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaPluginDSSI)

  2774. };

  2775. 

  2776. LinkedList<const char*> CarlaPluginDSSI::sMultiSynthList;

  2777. 

  2778. // -------------------------------------------------------------------------------------------------------------------

  2779. 

  2780. CarlaPlugin* CarlaPlugin::newDSSI(const Initializer& init)

  2781. {

  2782.     carla_debug("CarlaPlugin::newDSSI({%p, \"%s\", \"%s\", \"%s\", " P_INT64 "})", init.engine, init.filename, init.name, init.label, init.uniqueId);

  2783. 

  2784.     CarlaPluginDSSI* const plugin(new CarlaPluginDSSI(init.engine, init.id));

  2785. 

  2786.     if (! plugin->init(init.filename, init.name, init.label))

  2787.     {

  2788.         delete plugin;

  2789.         return nullptr;

  2790.     }

  2791. 

  2792.     plugin->reload();

  2793. 

  2794.     bool canRun = true;

  2795. 

  2796.     if (init.engine->getProccessMode() == ENGINE_PROCESS_MODE_CONTINUOUS_RACK)

  2797.     {

  2798.         if (! plugin->canRunInRack())

  2799.         {

  2800.             init.engine->setLastError("Carla's rack mode can only work with Mono or Stereo DSSI plugins, sorry!");

  2801.             canRun = false;

  2802.         }

  2803.         else if (plugin->getCVInCount() > 0 || plugin->getCVInCount() > 0)

  2804.         {

  2805.             init.engine->setLastError("Carla's rack mode cannot work with plugins that have CV ports, sorry!");

  2806.             canRun = false;

  2807.         }

  2808.     }

  2809.     else if (init.engine->getProccessMode() == ENGINE_PROCESS_MODE_PATCHBAY && (plugin->getCVInCount() > 0 || plugin->getCVInCount() > 0))

  2810.     {

  2811.         init.engine->setLastError("CV ports in patchbay mode is still TODO");

  2812.         canRun = false;

  2813.     }

  2814. 

  2815.     if (! canRun)

  2816.     {

  2817.         delete plugin;

  2818.         return nullptr;

  2819.     }

  2820. 

  2821.     return plugin;

  2822. }

  2823. 

  2824. // -------------------------------------------------------------------------------------------------------------------

  2825. 

  2826. CARLA_BACKEND_END_NAMESPACE