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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 "CarlaEngine.hpp"

  23. 

  24. #include "CarlaDssiUtils.hpp"

  25. #include "CarlaMathUtils.hpp"

  26. #include "CarlaThread.hpp"

  27. 

  28. using juce::ChildProcess;

  29. using juce::ScopedPointer;

  30. using juce::String;

  31. using juce::StringArray;

  32. 

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

  34.     /* check argument count */                                                                                                  \

  35.     if (argc != argcToCompare)                                                                                                  \

  36.     {                                                                                                                           \

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

  38.         return;                                                                                                                 \

  39.     }                                                                                                                           \

  40.     if (argc > 0)                                                                                                               \

  41.     {                                                                                                                           \

  42.         /* check for nullness */                                                                                                \

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

  44.         {                                                                                                                       \

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

  46.             return;                                                                                                             \

  47.         }                                                                                                                       \

  48.         /* check argument types */                                                                                              \

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

  50.         {                                                                                                                       \

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

  52.             return;                                                                                                             \

  53.         }                                                                                                                       \

  54.     }

  55. 

  56. CARLA_BACKEND_START_NAMESPACE

  57. 

  58. // -------------------------------------------------------------------

  59. // Fallback data

  60. 

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

  62. 

  63. // -------------------------------------------------------------------

  64. 

  65. class CarlaThreadDSSIUI : public CarlaThread

  66. {

  67. public:

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

  69.         : CarlaThread("CarlaThreadDSSIUI"),

  70.           kEngine(engine),

  71.           kPlugin(plugin),

  72.           fBinary(),

  73.           fLabel(),

  74.           fOscData(oscData),

  75.           fProcess(),

  76.           leakDetector_CarlaThreadDSSIUI() {}

  77. 

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

  79.     {

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

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

  82.         CARLA_SAFE_ASSERT(! isThreadRunning());

  83. 

  84.         fBinary = binary;

  85.         fLabel  = label;

  86. 

  87.         if (fLabel.isEmpty())

  88.             fLabel = "\"\"";

  89.     }

  90. 

  91.     uintptr_t getProcessPID() const noexcept

  92.     {

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

  94. 

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

  96.     }

  97. 

  98.     void run()

  99.     {

  100.         if (fProcess == nullptr)

  101.         {

  102.             fProcess = new ChildProcess();

  103.         }

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

  105.         {

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

  107. 

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

  109.             fProcess->kill();

  110.             fProcess = nullptr;

  111.             return;

  112.         }

  113. 

  114. #if 0 //def CARLA_OS_LINUX

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

  116.         ::unsetenv("LD_PRELOAD");

  117. 

  118.         if (oldPreload != nullptr)

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

  120. #endif

  121. 

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

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

  124. 

  125.         if (name.isEmpty())

  126.             name = "(none)";

  127. 

  128.         if (filename.isEmpty())

  129.             filename = "\"\"";

  130. 

  131.         StringArray arguments;

  132. 

  133.         // binary

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

  135. 

  136.         // osc-url

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

  138. 

  139.         // filename

  140.         arguments.add(filename);

  141. 

  142.         // label

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

  144. 

  145.         // ui-title

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

  147. 

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

  149. 

  150.         if (! fProcess->start(arguments))

  151.         {

  152.             carla_stdout("failed!");

  153.             fProcess = nullptr;

  154.             return;

  155.         }

  156. 

  157.         if (waitForOscGuiShow())

  158.         {

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

  160.                 carla_sleep(1);

  161. 

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

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

  164.             {

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

  166. 

  167.                 if (fProcess->isRunning())

  168.                 {

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

  170.                     fProcess->kill();

  171.                 }

  172.                 else

  173.                 {

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

  175.                 }

  176.             }

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

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

  179.             else

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

  181. 

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

  183.         }

  184.         else

  185.         {

  186.             fProcess->kill();

  187. 

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

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

  190.         }

  191. 

  192.         carla_stdout("DSSI UI finished");

  193.         fProcess = nullptr;

  194.     }

  195. 

  196. private:

  197.     CarlaEngine* const kEngine;

  198.     CarlaPlugin* const kPlugin;

  199. 

  200.     CarlaString fBinary;

  201.     CarlaString fLabel;

  202. 

  203.     const CarlaOscData&         fOscData;

  204.     ScopedPointer<ChildProcess> fProcess;

  205. 

  206.     bool waitForOscGuiShow()

  207.     {

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

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

  210. 

  211.         // wait for UI 'update' call

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

  213.         {

  214.             if (fOscData.target != nullptr)

  215.             {

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

  217.                 osc_send_show(fOscData);

  218.                 return true;

  219.             }

  220. 

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

  222.                 carla_msleep(100);

  223.             else

  224.                 return false;

  225.         }

  226. 

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

  228.         return false;

  229.     }

  230. 

  231.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaThreadDSSIUI)

  232. };

  233. 

  234. // -----------------------------------------------------

  235. 

  236. class CarlaPluginDSSI : public CarlaPlugin

  237. {

  238. public:

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

  240.         : CarlaPlugin(engine, id),

  241.           fHandle(nullptr),

  242.           fHandle2(nullptr),

  243.           fDescriptor(nullptr),

  244.           fDssiDescriptor(nullptr),

  245.           fUsesCustomData(false),

  246.           fUiFilename(nullptr),

  247.           fAudioInBuffers(nullptr),

  248.           fAudioOutBuffers(nullptr),

  249.           fParamBuffers(nullptr),

  250.           fLatencyChanged(false),

  251.           fLatencyIndex(-1),

  252.           fOscData(),

  253.           fThreadUI(engine, this, fOscData),

  254.           leakDetector_CarlaPluginDSSI()

  255.     {

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

  257.     }

  258. 

  259.     ~CarlaPluginDSSI() noexcept override

  260.     {

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

  262. 

  263.         // close UI

  264.         if (pData->hints & PLUGIN_HAS_CUSTOM_UI)

  265.         {

  266.             showCustomUI(false);

  267. 

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

  269.         }

  270. 

  271.         pData->singleMutex.lock();

  272.         pData->masterMutex.lock();

  273. 

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

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

  276. 

  277.         if (pData->active)

  278.         {

  279.             deactivate();

  280.             pData->active = false;

  281.         }

  282. 

  283.         if (fDescriptor != nullptr)

  284.         {

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

  286.                 removeUniqueMultiSynth(fDescriptor->Label);

  287. 

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

  289.             {

  290.                 if (fHandle != nullptr)

  291.                 {

  292.                     try {

  293.                         fDescriptor->cleanup(fHandle);

  294.                     } CARLA_SAFE_EXCEPTION("DSSI cleanup");

  295.                 }

  296. 

  297.                 if (fHandle2 != nullptr)

  298.                 {

  299.                     try {

  300.                         fDescriptor->cleanup(fHandle2);

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

  302.                 }

  303.             }

  304. 

  305.             fHandle  = nullptr;

  306.             fHandle2 = nullptr;

  307.             fDescriptor = nullptr;

  308.             fDssiDescriptor = nullptr;

  309.         }

  310. 

  311.         if (fUiFilename != nullptr)

  312.         {

  313.             delete[] fUiFilename;

  314.             fUiFilename = nullptr;

  315.         }

  316. 

  317.         clearBuffers();

  318.     }

  319. 

  320.     // -------------------------------------------------------------------

  321.     // Information (base)

  322. 

  323.     PluginType getType() const noexcept override

  324.     {

  325.         return PLUGIN_DSSI;

  326.     }

  327. 

  328.     PluginCategory getCategory() const noexcept override

  329.     {

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

  331. 

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

  333.             return PLUGIN_CATEGORY_SYNTH;

  334. 

  335.         return CarlaPlugin::getCategory();

  336.     }

  337. 

  338.     int64_t getUniqueId() const noexcept override

  339.     {

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

  341. 

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

  343.     }

  344. 

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

  346.     // Information (count)

  347. 

  348.     // nothing

  349. 

  350.     // -------------------------------------------------------------------

  351.     // Information (current data)

  352. 

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

  354.     {

  355.         CARLA_SAFE_ASSERT_RETURN(fUsesCustomData, 0);

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

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

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

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

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

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

  362. 

  363.         *dataPtr = nullptr;

  364. 

  365.         int ret = 0;

  366.         ulong dataSize = 0;

  367. 

  368.         try {

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

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

  371. 

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

  373.     }

  374. 

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

  376.     // Information (per-plugin data)

  377. 

  378.     uint getOptionsAvailable() const noexcept override

  379.     {

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

  381. 

  382. #ifdef __USE_GNU

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

  384. #else

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

  386. #endif

  387. 

  388.         uint options = 0x0;

  389. 

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

  391.             options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  392. 

  393.         if (! isDssiVst)

  394.         {

  395.             if (fLatencyIndex == -1)

  396.                 options |= PLUGIN_OPTION_FIXED_BUFFERS;

  397. 

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

  399.             {

  400.                 if (pData->options & PLUGIN_OPTION_FORCE_STEREO)

  401.                     options |= PLUGIN_OPTION_FORCE_STEREO;

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

  403.                     options |= PLUGIN_OPTION_FORCE_STEREO;

  404.             }

  405.         }

  406. 

  407.         if (fUsesCustomData)

  408.             options |= PLUGIN_OPTION_USE_CHUNKS;

  409. 

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

  411.         {

  412.             options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  413.             options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  414.             options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  415.             options |= PLUGIN_OPTION_SEND_PITCHBEND;

  416.             options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  417.         }

  418. 

  419.         return options;

  420.     }

  421. 

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

  423.     {

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

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

  426. 

  427.         return fParamBuffers[parameterId];

  428.     }

  429. 

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

  431.     {

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

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

  434. 

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

  436.     }

  437. 

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

  439.     {

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

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

  442. 

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

  444.     }

  445. 

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

  447.     {

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

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

  450. 

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

  452.     }

  453. 

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

  455.     {

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

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

  458. 

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

  460.     }

  461. 

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

  463.     {

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

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

  466. 

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

  468. 

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

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

  471. 

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

  473.             return;

  474. 

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

  476.     }

  477. 

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

  479.     {

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

  481. 

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

  483. 

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

  485. 

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

  487.             return;

  488. 

  489.         nullStrBuf(strBuf);

  490.     }

  491. 

  492.     // -------------------------------------------------------------------

  493.     // Set data (state)

  494. 

  495.     // nothing

  496. 

  497.     // -------------------------------------------------------------------

  498.     // Set data (internal stuff)

  499. 

  500.     void setId(const uint newId) noexcept

  501.     {

  502.         CarlaPlugin::setId(newId);

  503. 

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

  505.         showCustomUI(false);

  506.     }

  507. 

  508.     // -------------------------------------------------------------------

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

  510. 

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

  512.     {

  513.         CARLA_SAFE_ASSERT_RETURN(fParamBuffers != nullptr,);

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

  515. 

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

  517.         fParamBuffers[parameterId] = fixedValue;

  518. 

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

  520.     }

  521. 

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

  523.     {

  524.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

  525.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

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

  528.         CARLA_SAFE_ASSERT_RETURN(value != nullptr,);

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

  530. 

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

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

  533. 

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

  535.         {

  536.             try {

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

  538.             } catch(...) {}

  539. 

  540.             if (fHandle2 != nullptr)

  541.             {

  542.                 try {

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

  544.                 } catch(...) {}

  545.             }

  546.         }

  547. 

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

  549.             osc_send_configure(fOscData, key, value);

  550. 

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

  552.         {

  553.             const ScopedSingleProcessLocker spl(this, true);

  554.             reloadPrograms(false);

  555.         }

  556. 

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

  558.     }

  559. 

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

  561.     {

  562.         CARLA_SAFE_ASSERT_RETURN(fUsesCustomData,);

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

  564.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

  566.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  567.         CARLA_SAFE_ASSERT_RETURN(fHandle2 == nullptr,);

  568.         CARLA_SAFE_ASSERT_RETURN(data != nullptr,);

  569.         CARLA_SAFE_ASSERT_RETURN(dataSize > 0,);

  570. 

  571.         {

  572.             const ScopedSingleProcessLocker spl(this, true);

  573. 

  574.             try {

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

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

  577.         }

  578. 

  579. #ifdef BUILD_BRIDGE

  580.         const bool sendOsc(false);

  581. #else

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

  583. #endif

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

  585.     }

  586. 

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

  588.     {

  589.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

  591.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  593. 

  594.         if (index >= 0)

  595.         {

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

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

  598. 

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

  600. 

  601.             try {

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

  603.             } catch(...) {}

  604. 

  605.             if (fHandle2 != nullptr)

  606.             {

  607.                 try {

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

  609.                 } catch(...) {}

  610.             }

  611.         }

  612. 

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

  614.     }

  615. 

  616.     // -------------------------------------------------------------------

  617.     // Set ui stuff

  618. 

  619.     void showCustomUI(const bool yesNo) override

  620.     {

  621.         if (yesNo)

  622.         {

  623.             fOscData.clear();

  624.             fThreadUI.startThread();

  625.         }

  626.         else

  627.         {

  628.             pData->transientTryCounter = 0;

  629. 

  630.             if (fOscData.target != nullptr)

  631.             {

  632.                 osc_send_hide(fOscData);

  633.                 osc_send_quit(fOscData);

  634.                 fOscData.clear();

  635.             }

  636. 

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

  638.         }

  639.     }

  640. 

  641.     void idle() override

  642.     {

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

  644.         {

  645.             fLatencyChanged = false;

  646. 

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

  648. 

  649.             if (latency >= 0)

  650.             {

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

  652. 

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

  654.                 {

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

  656. 

  657.                     const ScopedSingleProcessLocker sspl(this, true);

  658. 

  659.                     pData->latency = ulatency;

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

  661. #ifndef BUILD_BRIDGE

  662.                     pData->recreateLatencyBuffers();

  663. #endif

  664.                 }

  665.             }

  666.             else

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

  668.         }

  669. 

  670.         CarlaPlugin::idle();

  671.     }

  672. 

  673.     // -------------------------------------------------------------------

  674.     // Plugin state

  675. 

  676.     void reload() override

  677.     {

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

  679.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  680.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

  681.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  683. 

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

  685. 

  686.         // Safely disable plugin for reload

  687.         const ScopedDisabler sd(this);

  688. 

  689.         if (pData->active)

  690.             deactivate();

  691. 

  692.         clearBuffers();

  693. 

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

  695.         const uint32_t portCount(getSafePortCount());

  696. 

  697.         uint32_t aIns, aOuts, mIns, params;

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

  699. 

  700.         bool forcedStereoIn, forcedStereoOut;

  701.         forcedStereoIn = forcedStereoOut = false;

  702. 

  703.         bool needsCtrlIn, needsCtrlOut;

  704.         needsCtrlIn = needsCtrlOut = false;

  705. 

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

  707.         {

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

  709. 

  710.             if (LADSPA_IS_PORT_AUDIO(portType))

  711.             {

  712.                 if (LADSPA_IS_PORT_INPUT(portType))

  713.                     aIns += 1;

  714.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  715.                     aOuts += 1;

  716.             }

  717.             else if (LADSPA_IS_PORT_CONTROL(portType))

  718.                 params += 1;

  719.         }

  720. 

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

  722.         {

  723.             if (fHandle2 == nullptr)

  724.             {

  725.                 try {

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

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

  728.             }

  729. 

  730.             if (fHandle2 != nullptr)

  731.             {

  732.                 if (aIns == 1)

  733.                 {

  734.                     aIns = 2;

  735.                     forcedStereoIn = true;

  736.                 }

  737. 

  738.                 if (aOuts == 1)

  739.                 {

  740.                     aOuts = 2;

  741.                     forcedStereoOut = true;

  742.                 }

  743.             }

  744.         }

  745. 

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

  747.         {

  748.             mIns = 1;

  749.             needsCtrlIn = true;

  750.         }

  751. 

  752.         if (aIns > 0)

  753.         {

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

  755.             fAudioInBuffers = new float*[aIns];

  756. 

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

  758.                 fAudioInBuffers[i] = nullptr;

  759.         }

  760. 

  761.         if (aOuts > 0)

  762.         {

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

  764.             fAudioOutBuffers = new float*[aOuts];

  765.             needsCtrlIn = true;

  766. 

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

  768.                 fAudioOutBuffers[i] = nullptr;

  769.         }

  770. 

  771.         if (params > 0)

  772.         {

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

  774. 

  775.             fParamBuffers = new float[params];

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

  777.         }

  778. 

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

  780.         CarlaString portName;

  781. 

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

  783.         {

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

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

  786. 

  787.             if (LADSPA_IS_PORT_AUDIO(portType))

  788.             {

  789.                 portName.clear();

  790. 

  791.                 if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  792.                 {

  793.                     portName  = pData->name;

  794.                     portName += ":";

  795.                 }

  796. 

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

  798.                 {

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

  800.                 }

  801.                 else

  802.                 {

  803.                     if (LADSPA_IS_PORT_INPUT(portType))

  804.                     {

  805.                         if (aIns > 1)

  806.                         {

  807.                             portName += "audio-in_";

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

  809.                         }

  810.                         else

  811.                             portName += "audio-in";

  812.                     }

  813.                     else

  814.                     {

  815.                         if (aOuts > 1)

  816.                         {

  817.                             portName += "audio-out_";

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

  819.                         }

  820.                         else

  821.                             portName += "audio-out";

  822.                     }

  823.                 }

  824. 

  825.                 portName.truncate(portNameSize);

  826. 

  827.                 if (LADSPA_IS_PORT_INPUT(portType))

  828.                 {

  829.                     const uint32_t j = iAudioIn++;

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

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

  832. 

  833.                     if (forcedStereoIn)

  834.                     {

  835.                         portName += "_2";

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

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

  838.                     }

  839.                 }

  840.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  841.                 {

  842.                     const uint32_t j = iAudioOut++;

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

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

  845. 

  846.                     if (forcedStereoOut)

  847.                     {

  848.                         portName += "_2";

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

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

  851.                     }

  852.                 }

  853.                 else

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

  855.             }

  856.             else if (LADSPA_IS_PORT_CONTROL(portType))

  857.             {

  858.                 const uint32_t j = iCtrl++;

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

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

  861. 

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

  863. 

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

  865. 

  866.                 // min value

  867.                 if (LADSPA_IS_HINT_BOUNDED_BELOW(portRangeHints.HintDescriptor))

  868.                     min = portRangeHints.LowerBound;

  869.                 else

  870.                     min = 0.0f;

  871. 

  872.                 // max value

  873.                 if (LADSPA_IS_HINT_BOUNDED_ABOVE(portRangeHints.HintDescriptor))

  874.                     max = portRangeHints.UpperBound;

  875.                 else

  876.                     max = 1.0f;

  877. 

  878.                 if (min > max)

  879.                 {

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

  881.                     min = max - 0.1f;

  882.                 }

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

  884.                 {

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

  886.                     max = min + 0.1f;

  887.                 }

  888. 

  889.                 // default value

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

  891. 

  892.                 if (def < min)

  893.                     def = min;

  894.                 else if (def > max)

  895.                     def = max;

  896. 

  897.                 if (LADSPA_IS_HINT_SAMPLE_RATE(portRangeHints.HintDescriptor))

  898.                 {

  899.                     min *= sampleRate;

  900.                     max *= sampleRate;

  901.                     def *= sampleRate;

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

  903.                 }

  904. 

  905.                 if (LADSPA_IS_HINT_TOGGLED(portRangeHints.HintDescriptor))

  906.                 {

  907.                     step = max - min;

  908.                     stepSmall = step;

  909.                     stepLarge = step;

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

  911.                 }

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

  913.                 {

  914.                     step = 1.0f;

  915.                     stepSmall = 1.0f;

  916.                     stepLarge = 10.0f;

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

  918.                 }

  919.                 else

  920.                 {

  921.                     const float range = max - min;

  922.                     step = range/100.0f;

  923.                     stepSmall = range/1000.0f;

  924.                     stepLarge = range/10.0f;

  925.                 }

  926. 

  927.                 if (LADSPA_IS_PORT_INPUT(portType))

  928.                 {

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

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

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

  932.                     needsCtrlIn = true;

  933. 

  934.                     // MIDI CC value

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

  936.                     {

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

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

  939.                         {

  940.                             int16_t cc = DSSI_CC_NUMBER(controller);

  941.                             if (! MIDI_IS_CONTROL_BANK_SELECT(cc))

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

  943.                         }

  944.                     }

  945.                 }

  946.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  947.                 {

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

  949. 

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

  951.                     {

  952.                         min = 0.0f;

  953.                         max = sampleRate;

  954.                         def = 0.0f;

  955.                         step = 1.0f;

  956.                         stepSmall = 1.0f;

  957.                         stepLarge = 1.0f;

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

  959.                         CARLA_SAFE_ASSERT(fLatencyIndex == -1);

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

  961.                     }

  962.                     else

  963.                     {

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

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

  966.                         needsCtrlOut = true;

  967.                     }

  968.                 }

  969.                 else

  970.                 {

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

  972.                 }

  973. 

  974.                 // extra parameter hints

  975.                 if (LADSPA_IS_HINT_LOGARITHMIC(portRangeHints.HintDescriptor))

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

  977. 

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

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

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

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

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

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

  984. 

  985.                 // Start parameters in their default values

  986.                 fParamBuffers[j] = def;

  987. 

  988.                 try {

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

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

  991. 

  992.                 if (fHandle2 != nullptr)

  993.                 {

  994.                     try {

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

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

  997.                 }

  998.             }

  999.             else

  1000.             {

  1001.                 // Not Audio or Control

  1002.                 carla_stderr2("ERROR - Got a broken Port (neither Audio or Control)");

  1003. 

  1004.                 try {

  1005.                     fDescriptor->connect_port(fHandle, i, nullptr);

  1006.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port null");

  1007. 

  1008.                 if (fHandle2 != nullptr)

  1009.                 {

  1010.                     try {

  1011.                         fDescriptor->connect_port(fHandle2, i, nullptr);

  1012.                     } CARLA_SAFE_EXCEPTION("DSSI connect_port null #2");

  1013.                 }

  1014.             }

  1015.         }

  1016. 

  1017.         if (needsCtrlIn)

  1018.         {

  1019.             portName.clear();

  1020. 

  1021.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1022.             {

  1023.                 portName  = pData->name;

  1024.                 portName += ":";

  1025.             }

  1026. 

  1027.             portName += "events-in";

  1028.             portName.truncate(portNameSize);

  1029. 

  1030.             pData->event.portIn = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, true);

  1031.         }

  1032. 

  1033.         if (needsCtrlOut)

  1034.         {

  1035.             portName.clear();

  1036. 

  1037.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1038.             {

  1039.                 portName  = pData->name;

  1040.                 portName += ":";

  1041.             }

  1042. 

  1043.             portName += "events-out";

  1044.             portName.truncate(portNameSize);

  1045. 

  1046.             pData->event.portOut = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, false);

  1047.         }

  1048. 

  1049.         if (forcedStereoIn || forcedStereoOut)

  1050.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  1051.         else

  1052.             pData->options &= ~PLUGIN_OPTION_FORCE_STEREO;

  1053. 

  1054.         // plugin hints

  1055.         pData->hints = 0x0;

  1056. 

  1057.         if (LADSPA_IS_HARD_RT_CAPABLE(fDescriptor->Properties))

  1058.             pData->hints |= PLUGIN_IS_RTSAFE;

  1059. 

  1060.         if (fUiFilename != nullptr)

  1061.             pData->hints |= PLUGIN_HAS_CUSTOM_UI;

  1062. 

  1063. #ifndef BUILD_BRIDGE

  1064.         if (aOuts > 0 && (aIns == aOuts || aIns == 1))

  1065.             pData->hints |= PLUGIN_CAN_DRYWET;

  1066. 

  1067.         if (aOuts > 0)

  1068.             pData->hints |= PLUGIN_CAN_VOLUME;

  1069. 

  1070.         if (aOuts >= 2 && aOuts % 2 == 0)

  1071.             pData->hints |= PLUGIN_CAN_BALANCE;

  1072. #endif

  1073. 

  1074.         // extra plugin hints

  1075.         pData->extraHints = 0x0;

  1076. 

  1077.         if (mIns > 0)

  1078.             pData->extraHints |= PLUGIN_EXTRA_HINT_HAS_MIDI_IN;

  1079. 

  1080.         if (aIns <= 2 && aOuts <= 2 && (aIns == aOuts || aIns == 0 || aOuts == 0))

  1081.             pData->extraHints |= PLUGIN_EXTRA_HINT_CAN_RUN_RACK;

  1082. 

  1083.         // check latency

  1084.         if (fLatencyIndex >= 0)

  1085.         {

  1086.             // we need to pre-run the plugin so it can update its latency control-port

  1087. 

  1088.             float tmpIn [(aIns > 0)  ? aIns  : 1][2];

  1089.             float tmpOut[(aOuts > 0) ? aOuts : 1][2];

  1090. 

  1091.             for (uint32_t j=0; j < aIns; ++j)

  1092.             {

  1093.                 tmpIn[j][0] = 0.0f;

  1094.                 tmpIn[j][1] = 0.0f;

  1095. 

  1096.                 try {

  1097.                     fDescriptor->connect_port(fHandle, pData->audioIn.ports[j].rindex, tmpIn[j]);

  1098.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port latency input");

  1099.             }

  1100. 

  1101.             for (uint32_t j=0; j < aOuts; ++j)

  1102.             {

  1103.                 tmpOut[j][0] = 0.0f;

  1104.                 tmpOut[j][1] = 0.0f;

  1105. 

  1106.                 try {

  1107.                     fDescriptor->connect_port(fHandle, pData->audioOut.ports[j].rindex, tmpOut[j]);

  1108.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port latency output");

  1109.             }

  1110. 

  1111.             if (fDescriptor->activate != nullptr)

  1112.             {

  1113.                 try {

  1114.                     fDescriptor->activate(fHandle);

  1115.                 } CARLA_SAFE_EXCEPTION("DSSI latency activate");

  1116.             }

  1117. 

  1118.             try {

  1119.                 fDescriptor->run(fHandle, 2);

  1120.             } CARLA_SAFE_EXCEPTION("DSSI latency run");

  1121. 

  1122.             if (fDescriptor->deactivate != nullptr)

  1123.             {

  1124.                 try {

  1125.                     fDescriptor->deactivate(fHandle);

  1126.                 } CARLA_SAFE_EXCEPTION("DSSI latency deactivate");

  1127.             }

  1128. 

  1129.             const int32_t latency(static_cast<int32_t>(fParamBuffers[fLatencyIndex]));

  1130. 

  1131.             if (latency >= 0)

  1132.             {

  1133.                 const uint32_t ulatency(static_cast<uint32_t>(latency));

  1134. 

  1135.                 if (pData->latency != ulatency)

  1136.                 {

  1137.                     carla_stdout("latency = %i", latency);

  1138. 

  1139.                     pData->latency = ulatency;

  1140.                     pData->client->setLatency(ulatency);

  1141. #ifndef BUILD_BRIDGE

  1142.                     pData->recreateLatencyBuffers();

  1143. #endif

  1144.                 }

  1145.             }

  1146.             else

  1147.                 carla_safe_assert_int("latency >= 0", __FILE__, __LINE__, latency);

  1148. 

  1149.             fLatencyChanged = false;

  1150.         }

  1151. 

  1152.         bufferSizeChanged(pData->engine->getBufferSize());

  1153.         reloadPrograms(true);

  1154. 

  1155.         if (pData->active)

  1156.             activate();

  1157. 

  1158.         carla_debug("CarlaPluginDSSI::reload() - end");

  1159.     }

  1160. 

  1161.     void reloadPrograms(const bool doInit) override

  1162.     {

  1163.         carla_debug("CarlaPluginDSSI::reloadPrograms(%s)", bool2str(doInit));

  1164.         const uint32_t oldCount = pData->midiprog.count;

  1165.         const int32_t  current  = pData->midiprog.current;

  1166. 

  1167.         // Delete old programs

  1168.         pData->midiprog.clear();

  1169. 

  1170.         // Query new programs

  1171.         uint32_t newCount = 0;

  1172.         if (fDssiDescriptor->get_program != nullptr && fDssiDescriptor->select_program != nullptr)

  1173.         {

  1174.             for (; fDssiDescriptor->get_program(fHandle, newCount) != nullptr;)

  1175.                 ++newCount;

  1176.         }

  1177. 

  1178.         if (newCount > 0)

  1179.         {

  1180.             pData->midiprog.createNew(newCount);

  1181. 

  1182.             // Update data

  1183.             for (uint32_t i=0; i < newCount; ++i)

  1184.             {

  1185.                 const DSSI_Program_Descriptor* const pdesc(fDssiDescriptor->get_program(fHandle, i));

  1186.                 CARLA_SAFE_ASSERT_CONTINUE(pdesc != nullptr);

  1187.                 CARLA_SAFE_ASSERT(pdesc->Name != nullptr);

  1188. 

  1189.                 pData->midiprog.data[i].bank    = static_cast<uint32_t>(pdesc->Bank);

  1190.                 pData->midiprog.data[i].program = static_cast<uint32_t>(pdesc->Program);

  1191.                 pData->midiprog.data[i].name    = carla_strdup(pdesc->Name);

  1192.             }

  1193.         }

  1194. 

  1195. #ifndef BUILD_BRIDGE

  1196.         // Update OSC Names

  1197.         if (pData->engine->isOscControlRegistered())

  1198.         {

  1199.             pData->engine->oscSend_control_set_midi_program_count(pData->id, newCount);

  1200. 

  1201.             for (uint32_t i=0; i < newCount; ++i)

  1202.                 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);

  1203.         }

  1204. #endif

  1205. 

  1206.         if (doInit)

  1207.         {

  1208.             if (newCount > 0)

  1209.                 setMidiProgram(0, false, false, false);

  1210.         }

  1211.         else

  1212.         {

  1213.             // Check if current program is invalid

  1214.             bool programChanged = false;

  1215. 

  1216.             if (newCount == oldCount+1)

  1217.             {

  1218.                 // one midi program added, probably created by user

  1219.                 pData->midiprog.current = static_cast<int32_t>(oldCount);

  1220.                 programChanged = true;

  1221.             }

  1222.             else if (current < 0 && newCount > 0)

  1223.             {

  1224.                 // programs exist now, but not before

  1225.                 pData->midiprog.current = 0;

  1226.                 programChanged = true;

  1227.             }

  1228.             else if (current >= 0 && newCount == 0)

  1229.             {

  1230.                 // programs existed before, but not anymore

  1231.                 pData->midiprog.current = -1;

  1232.                 programChanged = true;

  1233.             }

  1234.             else if (current >= static_cast<int32_t>(newCount))

  1235.             {

  1236.                 // current midi program > count

  1237.                 pData->midiprog.current = 0;

  1238.                 programChanged = true;

  1239.             }

  1240.             else

  1241.             {

  1242.                 // no change

  1243.                 pData->midiprog.current = current;

  1244.             }

  1245. 

  1246.             if (programChanged)

  1247.                 setMidiProgram(pData->midiprog.current, true, true, true);

  1248. 

  1249.             pData->engine->callback(ENGINE_CALLBACK_RELOAD_PROGRAMS, pData->id, 0, 0, 0.0f, nullptr);

  1250.         }

  1251.     }

  1252. 

  1253.     // -------------------------------------------------------------------

  1254.     // Plugin processing

  1255. 

  1256.     void activate() noexcept override

  1257.     {

  1258.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1259.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  1260. 

  1261.         if (fDescriptor->activate != nullptr)

  1262.         {

  1263.             try {

  1264.                 fDescriptor->activate(fHandle);

  1265.             } CARLA_SAFE_EXCEPTION("DSSI activate");

  1266. 

  1267.             if (fHandle2 != nullptr)

  1268.             {

  1269.                 try {

  1270.                     fDescriptor->activate(fHandle2);

  1271.                 } CARLA_SAFE_EXCEPTION("DSSI activate #2");

  1272.             }

  1273.         }

  1274.     }

  1275. 

  1276.     void deactivate() noexcept override

  1277.     {

  1278.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1279.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  1280. 

  1281.         if (fDescriptor->deactivate != nullptr)

  1282.         {

  1283.             try {

  1284.                 fDescriptor->deactivate(fHandle);

  1285.             } CARLA_SAFE_EXCEPTION("DSSI deactivate");

  1286. 

  1287.             if (fHandle2 != nullptr)

  1288.             {

  1289.                 try {

  1290.                     fDescriptor->deactivate(fHandle2);

  1291.                 } CARLA_SAFE_EXCEPTION("DSSI deactivate #2");

  1292.             }

  1293.         }

  1294.     }

  1295. 

  1296.     void process(const float** const audioIn, float** const audioOut, const float** const cvIn, float** const cvOut, const uint32_t frames) override

  1297.     {

  1298.         // --------------------------------------------------------------------------------------------------------

  1299.         // Check if active

  1300. 

  1301.         if (! pData->active)

  1302.         {

  1303.             // disable any output sound

  1304.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1305.                 FloatVectorOperations::clear(audioOut[i], static_cast<int>(frames));

  1306.             for (uint32_t i=0; i < pData->cvOut.count; ++i)

  1307.                 FloatVectorOperations::clear(cvOut[i], static_cast<int>(frames));

  1308.             return;

  1309.         }

  1310. 

  1311.         ulong midiEventCount = 0;

  1312.         carla_zeroStruct<snd_seq_event_t>(fMidiEvents, kPluginMaxMidiEvents);

  1313. 

  1314.         // --------------------------------------------------------------------------------------------------------

  1315.         // Check if needs reset

  1316. 

  1317.         if (pData->needsReset)

  1318.         {

  1319.             if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1320.             {

  1321.                 midiEventCount = MAX_MIDI_CHANNELS*2;

  1322. 

  1323.                 for (uchar i=0, k=MAX_MIDI_CHANNELS; i < MAX_MIDI_CHANNELS; ++i)

  1324.                 {

  1325.                     fMidiEvents[i].type = SND_SEQ_EVENT_CONTROLLER;

  1326.                     fMidiEvents[i].data.control.channel = i;

  1327.                     fMidiEvents[i].data.control.param   = MIDI_CONTROL_ALL_NOTES_OFF;

  1328. 

  1329.                     fMidiEvents[k+i].type = SND_SEQ_EVENT_CONTROLLER;

  1330.                     fMidiEvents[k+i].data.control.channel = i;

  1331.                     fMidiEvents[k+i].data.control.param   = MIDI_CONTROL_ALL_SOUND_OFF;

  1332.                 }

  1333.             }

  1334.             else if (pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1335.             {

  1336.                 midiEventCount = MAX_MIDI_NOTE;

  1337. 

  1338.                 for (uchar i=0; i < MAX_MIDI_NOTE; ++i)

  1339.                 {

  1340.                     fMidiEvents[i].type = SND_SEQ_EVENT_NOTEOFF;

  1341.                     fMidiEvents[i].data.note.channel = static_cast<uchar>(pData->ctrlChannel);

  1342.                     fMidiEvents[i].data.note.note    = i;

  1343.                 }

  1344.             }

  1345. 

  1346. #ifndef BUILD_BRIDGE

  1347.             if (pData->latency > 0)

  1348.             {

  1349.                 for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1350.                     FloatVectorOperations::clear(pData->latencyBuffers[i], static_cast<int>(pData->latency));

  1351.             }

  1352. #endif

  1353. 

  1354.             pData->needsReset = false;

  1355.         }

  1356. 

  1357.         // --------------------------------------------------------------------------------------------------------

  1358.         // Event Input and Processing

  1359. 

  1360.         if (pData->event.portIn != nullptr)

  1361.         {

  1362.             // ----------------------------------------------------------------------------------------------------

  1363.             // MIDI Input (External)

  1364. 

  1365.             if (pData->extNotes.mutex.tryLock())

  1366.             {

  1367.                 ExternalMidiNote note = { 0, 0, 0 };

  1368. 

  1369.                 for (; midiEventCount < kPluginMaxMidiEvents && ! pData->extNotes.data.isEmpty();)

  1370.                 {

  1371.                     note = pData->extNotes.data.getFirst(note, true);

  1372. 

  1373.                     CARLA_SAFE_ASSERT_CONTINUE(note.channel >= 0 && note.channel < MAX_MIDI_CHANNELS);

  1374. 

  1375.                     snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1376. 

  1377.                     seqEvent.type               = (note.velo > 0) ? SND_SEQ_EVENT_NOTEON : SND_SEQ_EVENT_NOTEOFF;

  1378.                     seqEvent.data.note.channel  = static_cast<uchar>(note.channel);

  1379.                     seqEvent.data.note.note     = note.note;

  1380.                     seqEvent.data.note.velocity = note.velo;

  1381.                 }

  1382. 

  1383.                 pData->extNotes.mutex.unlock();

  1384. 

  1385.             } // End of MIDI Input (External)

  1386. 

  1387.             // ----------------------------------------------------------------------------------------------------

  1388.             // Event Input (System)

  1389. 

  1390. #ifndef BUILD_BRIDGE

  1391.             bool       allNotesOffSent  = false;

  1392. #endif

  1393.             const bool isSampleAccurate = (pData->options & PLUGIN_OPTION_FIXED_BUFFERS) == 0;

  1394. 

  1395.             uint32_t startTime  = 0;

  1396.             uint32_t timeOffset = 0;

  1397.             uint32_t nextBankId;

  1398. 

  1399.             if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1400.                 nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1401.             else

  1402.                 nextBankId = 0;

  1403. 

  1404.             for (uint32_t i=0, numEvents=pData->event.portIn->getEventCount(); i < numEvents; ++i)

  1405.             {

  1406.                 const EngineEvent& event(pData->event.portIn->getEvent(i));

  1407. 

  1408.                 if (event.time >= frames)

  1409.                     continue;

  1410. 

  1411.                 CARLA_ASSERT_INT2(event.time >= timeOffset, event.time, timeOffset);

  1412. 

  1413.                 if (isSampleAccurate && event.time > timeOffset)

  1414.                 {

  1415.                     if (processSingle(audioIn, audioOut, cvIn, cvOut, event.time - timeOffset, timeOffset, midiEventCount))

  1416.                     {

  1417.                         startTime  = 0;

  1418.                         timeOffset = event.time;

  1419.                         midiEventCount = 0;

  1420. 

  1421.                         if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1422.                             nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1423.                         else

  1424.                             nextBankId = 0;

  1425.                     }

  1426.                     else

  1427.                         startTime += timeOffset;

  1428.                 }

  1429. 

  1430.                 switch (event.type)

  1431.                 {

  1432.                 case kEngineEventTypeNull:

  1433.                     break;

  1434. 

  1435.                 case kEngineEventTypeControl: {

  1436.                     const EngineControlEvent& ctrlEvent(event.ctrl);

  1437. 

  1438.                     switch (ctrlEvent.type)

  1439.                     {

  1440.                     case kEngineControlEventTypeNull:

  1441.                         break;

  1442. 

  1443.                     case kEngineControlEventTypeParameter: {

  1444. #ifndef BUILD_BRIDGE

  1445.                         // Control backend stuff

  1446.                         if (event.channel == pData->ctrlChannel)

  1447.                         {

  1448.                             float value;

  1449. 

  1450.                             if (MIDI_IS_CONTROL_BREATH_CONTROLLER(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_DRYWET) != 0)

  1451.                             {

  1452.                                 value = ctrlEvent.value;

  1453.                                 setDryWet(value, false, false);

  1454.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_DRYWET, 0, value);

  1455.                                 break;

  1456.                             }

  1457. 

  1458.                             if (MIDI_IS_CONTROL_CHANNEL_VOLUME(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_VOLUME) != 0)

  1459.                             {

  1460.                                 value = ctrlEvent.value*127.0f/100.0f;

  1461.                                 setVolume(value, false, false);

  1462.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_VOLUME, 0, value);

  1463.                                 break;

  1464.                             }

  1465. 

  1466.                             if (MIDI_IS_CONTROL_BALANCE(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_BALANCE) != 0)

  1467.                             {

  1468.                                 float left, right;

  1469.                                 value = ctrlEvent.value/0.5f - 1.0f;

  1470. 

  1471.                                 if (value < 0.0f)

  1472.                                 {

  1473.                                     left  = -1.0f;

  1474.                                     right = (value*2.0f)+1.0f;

  1475.                                 }

  1476.                                 else if (value > 0.0f)

  1477.                                 {

  1478.                                     left  = (value*2.0f)-1.0f;

  1479.                                     right = 1.0f;

  1480.                                 }

  1481.                                 else

  1482.                                 {

  1483.                                     left  = -1.0f;

  1484.                                     right = 1.0f;

  1485.                                 }

  1486. 

  1487.                                 setBalanceLeft(left, false, false);

  1488.                                 setBalanceRight(right, false, false);

  1489.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_LEFT, 0, left);

  1490.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_RIGHT, 0, right);

  1491.                                 break;

  1492.                             }

  1493.                         }

  1494. #endif

  1495.                         // Control plugin parameters

  1496.                         uint32_t k;

  1497.                         for (k=0; k < pData->param.count; ++k)

  1498.                         {

  1499.                             if (pData->param.data[k].midiChannel != event.channel)

  1500.                                 continue;

  1501.                             if (pData->param.data[k].midiCC != ctrlEvent.param)

  1502.                                 continue;

  1503.                             if (pData->param.data[k].type != PARAMETER_INPUT)

  1504.                                 continue;

  1505.                             if ((pData->param.data[k].hints & PARAMETER_IS_AUTOMABLE) == 0)

  1506.                                 continue;

  1507. 

  1508.                             float value;

  1509. 

  1510.                             if (pData->param.data[k].hints & PARAMETER_IS_BOOLEAN)

  1511.                             {

  1512.                                 value = (ctrlEvent.value < 0.5f) ? pData->param.ranges[k].min : pData->param.ranges[k].max;

  1513.                             }

  1514.                             else

  1515.                             {

  1516.                                 value = pData->param.ranges[k].getUnnormalizedValue(ctrlEvent.value);

  1517. 

  1518.                                 if (pData->param.data[k].hints & PARAMETER_IS_INTEGER)

  1519.                                     value = std::rint(value);

  1520.                             }

  1521. 

  1522.                             setParameterValue(k, value, false, false, false);

  1523.                             pData->postponeRtEvent(kPluginPostRtEventParameterChange, static_cast<int32_t>(k), 0, value);

  1524.                             break;

  1525.                         }

  1526. 

  1527.                         // check if event is already handled

  1528.                         if (k != pData->param.count)

  1529.                             break;

  1530. 

  1531.                         if ((pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0 && ctrlEvent.param < MAX_MIDI_CONTROL)

  1532.                         {

  1533.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1534.                                 continue;

  1535. 

  1536.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1537. 

  1538.                             seqEvent.time.tick = isSampleAccurate ? startTime : event.time;

  1539. 

  1540.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1541.                             seqEvent.data.control.channel = event.channel;

  1542.                             seqEvent.data.control.param   = ctrlEvent.param;

  1543.                             seqEvent.data.control.value   = int8_t(ctrlEvent.value*127.0f);

  1544.                         }

  1545.                         break;

  1546.                     } // case kEngineControlEventTypeParameter

  1547. 

  1548.                     case kEngineControlEventTypeMidiBank:

  1549.                         if (event.channel == pData->ctrlChannel && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1550.                             nextBankId = ctrlEvent.param;

  1551.                         break;

  1552. 

  1553.                     case kEngineControlEventTypeMidiProgram:

  1554.                         if (event.channel == pData->ctrlChannel && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1555.                         {

  1556.                             const uint32_t nextProgramId = ctrlEvent.param;

  1557. 

  1558.                             for (uint32_t k=0; k < pData->midiprog.count; ++k)

  1559.                             {

  1560.                                 if (pData->midiprog.data[k].bank == nextBankId && pData->midiprog.data[k].program == nextProgramId)

  1561.                                 {

  1562.                                     const int32_t index(static_cast<int32_t>(k));

  1563.                                     setMidiProgram(index, false, false, false);

  1564.                                     pData->postponeRtEvent(kPluginPostRtEventMidiProgramChange, index, 0, 0.0f);

  1565.                                     break;

  1566.                                 }

  1567.                             }

  1568.                         }

  1569.                         break;

  1570. 

  1571.                     case kEngineControlEventTypeAllSoundOff:

  1572.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1573.                         {

  1574.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1575.                                 continue;

  1576. 

  1577.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1578. 

  1579.                             seqEvent.time.tick = isSampleAccurate ? startTime : event.time;

  1580. 

  1581.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1582.                             seqEvent.data.control.channel = event.channel;

  1583.                             seqEvent.data.control.param   = MIDI_CONTROL_ALL_SOUND_OFF;

  1584.                         }

  1585.                         break;

  1586. 

  1587.                     case kEngineControlEventTypeAllNotesOff:

  1588.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1589.                         {

  1590. #ifndef BUILD_BRIDGE

  1591.                             if (event.channel == pData->ctrlChannel && ! allNotesOffSent)

  1592.                             {

  1593.                                 allNotesOffSent = true;

  1594.                                 sendMidiAllNotesOffToCallback();

  1595.                             }

  1596. #endif

  1597. 

  1598.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1599.                                 continue;

  1600. 

  1601.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1602. 

  1603.                             seqEvent.time.tick = isSampleAccurate ? startTime : event.time;

  1604. 

  1605.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1606.                             seqEvent.data.control.channel = event.channel;

  1607.                             seqEvent.data.control.param   = MIDI_CONTROL_ALL_NOTES_OFF;

  1608.                         }

  1609.                         break;

  1610.                     } // switch (ctrlEvent.type)

  1611.                     break;

  1612.                 } // case kEngineEventTypeControl

  1613. 

  1614.                 case kEngineEventTypeMidi: {

  1615.                     if (midiEventCount >= kPluginMaxMidiEvents)

  1616.                         continue;

  1617. 

  1618.                     const EngineMidiEvent& midiEvent(event.midi);

  1619. 

  1620.                     if (midiEvent.size > EngineMidiEvent::kDataSize)

  1621.                         continue;

  1622. 

  1623.                     uint8_t status = uint8_t(MIDI_GET_STATUS_FROM_DATA(midiEvent.data));

  1624. 

  1625.                     // Fix bad note-off (per DSSI spec)

  1626.                     if (status == MIDI_STATUS_NOTE_ON && midiEvent.data[2] == 0)

  1627.                         status = MIDI_STATUS_NOTE_OFF;

  1628. 

  1629.                     snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1630. 

  1631.                     seqEvent.time.tick = isSampleAccurate ? startTime : event.time;

  1632. 

  1633.                     switch (status)

  1634.                     {

  1635.                     case MIDI_STATUS_NOTE_OFF: {

  1636.                         const uint8_t note = midiEvent.data[1];

  1637. 

  1638.                         seqEvent.type = SND_SEQ_EVENT_NOTEOFF;

  1639.                         seqEvent.data.note.channel = event.channel;

  1640.                         seqEvent.data.note.note    = note;

  1641. 

  1642.                         pData->postponeRtEvent(kPluginPostRtEventNoteOff, event.channel, note, 0.0f);

  1643.                         break;

  1644.                     }

  1645. 

  1646.                     case MIDI_STATUS_NOTE_ON: {

  1647.                         const uint8_t note = midiEvent.data[1];

  1648.                         const uint8_t velo = midiEvent.data[2];

  1649. 

  1650.                         seqEvent.type = SND_SEQ_EVENT_NOTEON;

  1651.                         seqEvent.data.note.channel  = event.channel;

  1652.                         seqEvent.data.note.note     = note;

  1653.                         seqEvent.data.note.velocity = velo;

  1654. 

  1655.                         pData->postponeRtEvent(kPluginPostRtEventNoteOn, event.channel, note, velo);

  1656.                         break;

  1657.                     }

  1658. 

  1659.                     case MIDI_STATUS_POLYPHONIC_AFTERTOUCH:

  1660.                         if (pData->options & PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH)

  1661.                         {

  1662.                             const uint8_t note     = midiEvent.data[1];

  1663.                             const uint8_t pressure = midiEvent.data[2];

  1664. 

  1665.                             seqEvent.type = SND_SEQ_EVENT_KEYPRESS;

  1666.                             seqEvent.data.note.channel  = event.channel;

  1667.                             seqEvent.data.note.note     = note;

  1668.                             seqEvent.data.note.velocity = pressure;

  1669.                         }

  1670.                         break;

  1671. 

  1672.                     case MIDI_STATUS_CONTROL_CHANGE:

  1673.                         if (pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES)

  1674.                         {

  1675.                             const uint8_t control = midiEvent.data[1];

  1676.                             const uint8_t value   = midiEvent.data[2];

  1677. 

  1678.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1679.                             seqEvent.data.control.channel = event.channel;

  1680.                             seqEvent.data.control.param   = control;

  1681.                             seqEvent.data.control.value   = value;

  1682.                         }

  1683.                         break;

  1684. 

  1685.                     case MIDI_STATUS_CHANNEL_PRESSURE:

  1686.                         if (pData->options & PLUGIN_OPTION_SEND_CHANNEL_PRESSURE)

  1687.                         {

  1688.                             const uint8_t pressure = midiEvent.data[1];

  1689. 

  1690.                             seqEvent.type = SND_SEQ_EVENT_CHANPRESS;

  1691.                             seqEvent.data.control.channel = event.channel;

  1692.                             seqEvent.data.control.value   = pressure;

  1693.                         }

  1694.                         break;

  1695. 

  1696.                     case MIDI_STATUS_PITCH_WHEEL_CONTROL:

  1697.                         if (pData->options & PLUGIN_OPTION_SEND_PITCHBEND)

  1698.                         {

  1699.                             const uint8_t lsb = midiEvent.data[1];

  1700.                             const uint8_t msb = midiEvent.data[2];

  1701. 

  1702.                             seqEvent.type = SND_SEQ_EVENT_PITCHBEND;

  1703.                             seqEvent.data.control.channel = event.channel;

  1704.                             seqEvent.data.control.value   = ((msb << 7) | lsb) - 8192;

  1705.                         }

  1706.                         break;

  1707. 

  1708.                     default:

  1709.                         --midiEventCount;

  1710.                         break;

  1711.                     } // switch (status)

  1712.                 } break;

  1713.                 } // switch (event.type)

  1714.             }

  1715. 

  1716.             pData->postRtEvents.trySplice();

  1717. 

  1718.             if (frames > timeOffset)

  1719.                 processSingle(audioIn, audioOut, cvIn, cvOut, frames - timeOffset, timeOffset, midiEventCount);

  1720. 

  1721.         } // End of Event Input and Processing

  1722. 

  1723.         // --------------------------------------------------------------------------------------------------------

  1724.         // Plugin processing (no events)

  1725. 

  1726.         else

  1727.         {

  1728.             processSingle(audioIn, audioOut, cvIn, cvOut, frames, 0, midiEventCount);

  1729. 

  1730.         } // End of Plugin processing (no events)

  1731. 

  1732. #ifndef BUILD_BRIDGE

  1733.         // --------------------------------------------------------------------------------------------------------

  1734.         // Latency, save values for next callback

  1735. 

  1736.         if (fLatencyIndex != -1)

  1737.         {

  1738.             if (pData->latency != static_cast<uint32_t>(fParamBuffers[fLatencyIndex]))

  1739.             {

  1740.                 fLatencyChanged = true;

  1741.             }

  1742.             else if (pData->latency > 0)

  1743.             {

  1744.                 if (pData->latency <= frames)

  1745.                 {

  1746.                     for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1747.                         FloatVectorOperations::copy(pData->latencyBuffers[i], audioIn[i]+(frames-pData->latency), static_cast<int>(pData->latency));

  1748.                 }

  1749.                 else

  1750.                 {

  1751.                     for (uint32_t i=0, j, k; i < pData->audioIn.count; ++i)

  1752.                     {

  1753.                         for (k=0; k < pData->latency-frames; ++k)

  1754.                             pData->latencyBuffers[i][k] = pData->latencyBuffers[i][k+frames];

  1755.                         for (j=0; k < pData->latency; ++j, ++k)

  1756.                             pData->latencyBuffers[i][k] = audioIn[i][j];

  1757.                     }

  1758.                 }

  1759.             }

  1760.         }

  1761. 

  1762.         // --------------------------------------------------------------------------------------------------------

  1763.         // Control Output

  1764. 

  1765.         if (pData->event.portOut != nullptr)

  1766.         {

  1767.             uint8_t  channel;

  1768.             uint16_t param;

  1769.             float    value;

  1770. 

  1771.             for (uint32_t k=0; k < pData->param.count; ++k)

  1772.             {

  1773.                 if (pData->param.data[k].type != PARAMETER_OUTPUT)

  1774.                     continue;

  1775. 

  1776.                 pData->param.ranges[k].fixValue(fParamBuffers[k]);

  1777. 

  1778.                 if (pData->param.data[k].midiCC > 0)

  1779.                 {

  1780.                     channel = pData->param.data[k].midiChannel;

  1781.                     param   = static_cast<uint16_t>(pData->param.data[k].midiCC);

  1782.                     value   = pData->param.ranges[k].getNormalizedValue(fParamBuffers[k]);

  1783.                     pData->event.portOut->writeControlEvent(0, channel, kEngineControlEventTypeParameter, param, value);

  1784.                 }

  1785.             }

  1786.         } // End of Control Output

  1787. #endif

  1788.     }

  1789. 

  1790.     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)

  1791.     {

  1792.         CARLA_SAFE_ASSERT_RETURN(frames > 0, false);

  1793. 

  1794.         if (pData->audioIn.count > 0)

  1795.         {

  1796.             CARLA_SAFE_ASSERT_RETURN(audioIn != nullptr, false);

  1797.         }

  1798.         if (pData->audioOut.count > 0)

  1799.         {

  1800.             CARLA_SAFE_ASSERT_RETURN(audioOut != nullptr, false);

  1801.         }

  1802.         if (pData->cvIn.count > 0)

  1803.         {

  1804.             CARLA_SAFE_ASSERT_RETURN(cvIn != nullptr, false);

  1805.         }

  1806.         if (pData->cvOut.count > 0)

  1807.         {

  1808.             CARLA_SAFE_ASSERT_RETURN(cvOut != nullptr, false);

  1809.         }

  1810. 

  1811.         // --------------------------------------------------------------------------------------------------------

  1812.         // Try lock, silence otherwise

  1813. 

  1814.         if (pData->engine->isOffline())

  1815.         {

  1816.             pData->singleMutex.lock();

  1817.         }

  1818.         else if (! pData->singleMutex.tryLock())

  1819.         {

  1820.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1821.             {

  1822.                 for (uint32_t k=0; k < frames; ++k)

  1823.                     audioOut[i][k+timeOffset] = 0.0f;

  1824.             }

  1825.             for (uint32_t i=0; i < pData->cvOut.count; ++i)

  1826.             {

  1827.                 for (uint32_t k=0; k < frames; ++k)

  1828.                     cvOut[i][k+timeOffset] = 0.0f;

  1829.             }

  1830. 

  1831.             return false;

  1832.         }

  1833. 

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

  1835.         // Set audio buffers

  1836. 

  1837.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1838.             FloatVectorOperations::copy(fAudioInBuffers[i], audioIn[i]+timeOffset, static_cast<int>(frames));

  1839. 

  1840.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1841.             FloatVectorOperations::clear(fAudioOutBuffers[i], static_cast<int>(frames));

  1842. 

  1843. #if 0

  1844.         // --------------------------------------------------------------------------------------------------------

  1845.         // Set CV buffers

  1846. 

  1847.         for (uint32_t i=0; i < pData->cvIn.count; ++i)

  1848.             FloatVectorOperations::copy(fCvInBuffers[i], cvIn[i]+timeOffset, static_cast<int>(frames));

  1849. 

  1850.         for (uint32_t i=0; i < pData->cvOut.count; ++i)

  1851.             FloatVectorOperations::clear(fCvOutBuffers[i], static_cast<int>(frames));

  1852. #endif

  1853. 

  1854.         // --------------------------------------------------------------------------------------------------------

  1855.         // Run plugin

  1856. 

  1857.         // TODO - try catch

  1858. 

  1859.         if (fDssiDescriptor->run_synth != nullptr)

  1860.         {

  1861.             fDssiDescriptor->run_synth(fHandle, frames, fMidiEvents, midiEventCount);

  1862. 

  1863.             if (fHandle2 != nullptr)

  1864.                 fDssiDescriptor->run_synth(fHandle2, frames, fMidiEvents, midiEventCount);

  1865.         }

  1866.         else if (fDssiDescriptor->run_multiple_synths != nullptr)

  1867.         {

  1868.             ulong instances = (fHandle2 != nullptr) ? 2 : 1;

  1869.             LADSPA_Handle handlePtr[2] = { fHandle, fHandle2 };

  1870.             snd_seq_event_t* midiEventsPtr[2] = { fMidiEvents, fMidiEvents };

  1871.             ulong midiEventCountPtr[2] = { midiEventCount, midiEventCount };

  1872.             fDssiDescriptor->run_multiple_synths(instances, handlePtr, frames, midiEventsPtr, midiEventCountPtr);

  1873.         }

  1874.         else

  1875.         {

  1876.             fDescriptor->run(fHandle, frames);

  1877. 

  1878.             if (fHandle2 != nullptr)

  1879.                 fDescriptor->run(fHandle2, frames);

  1880.         }

  1881. 

  1882. #ifndef BUILD_BRIDGE

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

  1884.         // Post-processing (dry/wet, volume and balance)

  1885. 

  1886.         {

  1887.             const bool doDryWet  = (pData->hints & PLUGIN_CAN_DRYWET) != 0 && ! carla_compareFloats(pData->postProc.dryWet, 1.0f);

  1888.             const bool doBalance = (pData->hints & PLUGIN_CAN_BALANCE) != 0 && ! (carla_compareFloats(pData->postProc.balanceLeft, -1.0f) && carla_compareFloats(pData->postProc.balanceRight, 1.0f));

  1889.             const bool isMono    = (pData->audioIn.count == 1);

  1890. 

  1891.             bool isPair;

  1892.             float bufValue, oldBufLeft[doBalance ? frames : 1];

  1893. 

  1894.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1895.             {

  1896.                 // Dry/Wet

  1897.                 if (doDryWet)

  1898.                 {

  1899.                     for (uint32_t k=0; k < frames; ++k)

  1900.                     {

  1901.                         if (k < pData->latency)

  1902.                             bufValue = pData->latencyBuffers[isMono ? 0 : i][k];

  1903.                         else if (pData->latency < frames)

  1904.                             bufValue = fAudioInBuffers[isMono ? 0 : i][k-pData->latency];

  1905.                         else

  1906.                             bufValue = fAudioInBuffers[isMono ? 0 : i][k];

  1907. 

  1908.                         fAudioOutBuffers[i][k] = (fAudioOutBuffers[i][k] * pData->postProc.dryWet) + (bufValue * (1.0f - pData->postProc.dryWet));

  1909.                     }

  1910.                 }

  1911. 

  1912.                 // Balance

  1913.                 if (doBalance)

  1914.                 {

  1915.                     isPair = (i % 2 == 0);

  1916. 

  1917.                     if (isPair)

  1918.                     {

  1919.                         CARLA_ASSERT(i+1 < pData->audioOut.count);

  1920.                         FloatVectorOperations::copy(oldBufLeft, fAudioOutBuffers[i], static_cast<int>(frames));

  1921.                     }

  1922. 

  1923.                     float balRangeL = (pData->postProc.balanceLeft  + 1.0f)/2.0f;

  1924.                     float balRangeR = (pData->postProc.balanceRight + 1.0f)/2.0f;

  1925. 

  1926.                     for (uint32_t k=0; k < frames; ++k)

  1927.                     {

  1928.                         if (isPair)

  1929.                         {

  1930.                             // left

  1931.                             fAudioOutBuffers[i][k]  = oldBufLeft[k]            * (1.0f - balRangeL);

  1932.                             fAudioOutBuffers[i][k] += fAudioOutBuffers[i+1][k] * (1.0f - balRangeR);

  1933.                         }

  1934.                         else

  1935.                         {

  1936.                             // right

  1937.                             fAudioOutBuffers[i][k]  = fAudioOutBuffers[i][k] * balRangeR;

  1938.                             fAudioOutBuffers[i][k] += oldBufLeft[k]          * balRangeL;

  1939.                         }

  1940.                     }

  1941.                 }

  1942. 

  1943.                 // Volume (and buffer copy)

  1944.                 {

  1945.                     for (uint32_t k=0; k < frames; ++k)

  1946.                         audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k] * pData->postProc.volume;

  1947.                 }

  1948.             }

  1949. 

  1950.         } // End of Post-processing

  1951. 

  1952. #else // BUILD_BRIDGE

  1953.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1954.         {

  1955.             for (uint32_t k=0; k < frames; ++k)

  1956.                 audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k];

  1957.         }

  1958. #endif

  1959. 

  1960. #if 0

  1961.         for (uint32_t i=0; i < pData->cvOut.count; ++i)

  1962.         {

  1963.             for (uint32_t k=0; k < frames; ++k)

  1964.                 cvOut[i][k+timeOffset] = fCvOutBuffers[i][k];

  1965.         }

  1966. #endif

  1967. 

  1968.         // --------------------------------------------------------------------------------------------------------

  1969. 

  1970.         pData->singleMutex.unlock();

  1971.         return true;

  1972.     }

  1973. 

  1974.     void bufferSizeChanged(const uint32_t newBufferSize) override

  1975.     {

  1976.         CARLA_ASSERT_INT(newBufferSize > 0, newBufferSize);

  1977.         carla_debug("CarlaPluginDSSI::bufferSizeChanged(%i) - start", newBufferSize);

  1978. 

  1979.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1980.         {

  1981.             if (fAudioInBuffers[i] != nullptr)

  1982.                 delete[] fAudioInBuffers[i];

  1983.             fAudioInBuffers[i] = new float[newBufferSize];

  1984.         }

  1985. 

  1986.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1987.         {

  1988.             if (fAudioOutBuffers[i] != nullptr)

  1989.                 delete[] fAudioOutBuffers[i];

  1990.             fAudioOutBuffers[i] = new float[newBufferSize];

  1991.         }

  1992. 

  1993.         if (fHandle2 == nullptr)

  1994.         {

  1995.             for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1996.             {

  1997.                 CARLA_ASSERT(fAudioInBuffers[i] != nullptr);

  1998. 

  1999.                 try {

  2000.                     fDescriptor->connect_port(fHandle, pData->audioIn.ports[i].rindex, fAudioInBuffers[i]);

  2001.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port audio input");

  2002.             }

  2003. 

  2004.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2005.             {

  2006.                 CARLA_ASSERT(fAudioOutBuffers[i] != nullptr);

  2007. 

  2008.                 try {

  2009.                     fDescriptor->connect_port(fHandle, pData->audioOut.ports[i].rindex, fAudioOutBuffers[i]);

  2010.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port audio output");

  2011.             }

  2012.         }

  2013.         else

  2014.         {

  2015.             if (pData->audioIn.count > 0)

  2016.             {

  2017.                 CARLA_ASSERT(pData->audioIn.count == 2);

  2018.                 CARLA_ASSERT(fAudioInBuffers[0] != nullptr);

  2019.                 CARLA_ASSERT(fAudioInBuffers[1] != nullptr);

  2020. 

  2021.                 try {

  2022.                     fDescriptor->connect_port(fHandle, pData->audioIn.ports[0].rindex, fAudioInBuffers[0]);

  2023.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port audio input #1");

  2024. 

  2025.                 try {

  2026.                     fDescriptor->connect_port(fHandle2, pData->audioIn.ports[1].rindex, fAudioInBuffers[1]);

  2027.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port audio input #2");

  2028.             }

  2029. 

  2030.             if (pData->audioOut.count > 0)

  2031.             {

  2032.                 CARLA_ASSERT(pData->audioOut.count == 2);

  2033.                 CARLA_ASSERT(fAudioOutBuffers[0] != nullptr);

  2034.                 CARLA_ASSERT(fAudioOutBuffers[1] != nullptr);

  2035. 

  2036.                 try {

  2037.                     fDescriptor->connect_port(fHandle, pData->audioOut.ports[0].rindex, fAudioOutBuffers[0]);

  2038.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port audio output #1");

  2039. 

  2040.                 try {

  2041.                     fDescriptor->connect_port(fHandle2, pData->audioOut.ports[1].rindex, fAudioOutBuffers[1]);

  2042.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port audio output #2");

  2043.             }

  2044.         }

  2045. 

  2046.         carla_debug("CarlaPluginDSSI::bufferSizeChanged(%i) - end", newBufferSize);

  2047.     }

  2048. 

  2049.     void sampleRateChanged(const double newSampleRate) override

  2050.     {

  2051.         CARLA_ASSERT_INT(newSampleRate > 0.0, newSampleRate);

  2052.         carla_debug("CarlaPluginDSSI::sampleRateChanged(%g) - start", newSampleRate);

  2053. 

  2054.         // TODO

  2055.         (void)newSampleRate;

  2056. 

  2057.         carla_debug("CarlaPluginDSSI::sampleRateChanged(%g) - end", newSampleRate);

  2058.     }

  2059. 

  2060.     // -------------------------------------------------------------------

  2061.     // Plugin buffers

  2062. 

  2063.     void clearBuffers() noexcept override

  2064.     {

  2065.         carla_debug("CarlaPluginDSSI::clearBuffers() - start");

  2066. 

  2067.         if (fAudioInBuffers != nullptr)

  2068.         {

  2069.             for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2070.             {

  2071.                 if (fAudioInBuffers[i] != nullptr)

  2072.                 {

  2073.                     delete[] fAudioInBuffers[i];

  2074.                     fAudioInBuffers[i] = nullptr;

  2075.                 }

  2076.             }

  2077. 

  2078.             delete[] fAudioInBuffers;

  2079.             fAudioInBuffers = nullptr;

  2080.         }

  2081. 

  2082.         if (fAudioOutBuffers != nullptr)

  2083.         {

  2084.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2085.             {

  2086.                 if (fAudioOutBuffers[i] != nullptr)

  2087.                 {

  2088.                     delete[] fAudioOutBuffers[i];

  2089.                     fAudioOutBuffers[i] = nullptr;

  2090.                 }

  2091.             }

  2092. 

  2093.             delete[] fAudioOutBuffers;

  2094.             fAudioOutBuffers = nullptr;

  2095.         }

  2096. 

  2097.         if (fParamBuffers != nullptr)

  2098.         {

  2099.             delete[] fParamBuffers;

  2100.             fParamBuffers = nullptr;

  2101.         }

  2102. 

  2103.         CarlaPlugin::clearBuffers();

  2104. 

  2105.         carla_debug("CarlaPluginDSSI::clearBuffers() - end");

  2106.     }

  2107. 

  2108.     // -------------------------------------------------------------------

  2109.     // OSC stuff

  2110. 

  2111.     void handleOscMessage(const char* const method, const int argc, const void* const argvx, const char* const types, const lo_message msg) override

  2112.     {

  2113.         const lo_address source(lo_message_get_source(msg));

  2114.         CARLA_SAFE_ASSERT_RETURN(source != nullptr,);

  2115. 

  2116.         // protocol for DSSI UIs *must* be UDP

  2117.         CARLA_SAFE_ASSERT_RETURN(lo_address_get_protocol(source) == LO_UDP,);

  2118. 

  2119.         if (fOscData.source == nullptr)

  2120.         {

  2121.             // if no UI is registered yet only "update" message is valid

  2122.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(method, "update") == 0,)

  2123.         }

  2124.         else

  2125.         {

  2126.             // make sure message source is the DSSI UI

  2127.             const char* const msghost = lo_address_get_hostname(source);

  2128.             const char* const msgport = lo_address_get_port(source);

  2129. 

  2130.             const char* const ourhost = lo_address_get_hostname(fOscData.source);

  2131.             const char* const ourport = lo_address_get_port(fOscData.source);

  2132. 

  2133.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(msghost, ourhost) == 0,);

  2134.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(msgport, ourport) == 0,);

  2135.         }

  2136. 

  2137.         const lo_arg* const* const argv(static_cast<const lo_arg* const* const>(argvx));

  2138. 

  2139.         if (std::strcmp(method, "configure") == 0)

  2140.             return handleOscMessageConfigure(argc, argv, types);

  2141.         if (std::strcmp(method, "control") == 0)

  2142.             return handleOscMessageControl(argc, argv, types);

  2143.         if (std::strcmp(method, "program") == 0)

  2144.             return handleOscMessageProgram(argc, argv, types);

  2145.         if (std::strcmp(method, "midi") == 0)

  2146.             return handleOscMessageMIDI(argc, argv, types);

  2147.         if (std::strcmp(method, "update") == 0)

  2148.             return handleOscMessageUpdate(argc, argv, types, lo_message_get_source(msg));

  2149.         if (std::strcmp(method, "exiting") == 0)

  2150.             return handleOscMessageExiting();

  2151. 

  2152.         carla_stdout("CarlaPluginDSSI::handleOscMessage() - unknown method '%s'", method);

  2153.     }

  2154. 

  2155.     void handleOscMessageConfigure(const int argc, const lo_arg* const* const argv, const char* const types)

  2156.     {

  2157.         carla_debug("CarlaPluginDSSI::handleMsgConfigure()");

  2158.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "ss");

  2159. 

  2160.         const char* const key   = (const char*)&argv[0]->s;

  2161.         const char* const value = (const char*)&argv[1]->s;

  2162. 

  2163.         setCustomData(CUSTOM_DATA_TYPE_STRING, key, value, false);

  2164.     }

  2165. 

  2166.     void handleOscMessageControl(const int argc, const lo_arg* const* const argv, const char* const types)

  2167.     {

  2168.         carla_debug("CarlaPluginDSSI::handleMsgControl()");

  2169.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "if");

  2170. 

  2171.         const int32_t rindex = argv[0]->i;

  2172.         const float   value  = argv[1]->f;

  2173. 

  2174.         setParameterValueByRealIndex(rindex, value, false, true, true);

  2175.     }

  2176. 

  2177.     void handleOscMessageProgram(const int argc, const lo_arg* const* const argv, const char* const types)

  2178.     {

  2179.         carla_debug("CarlaPluginDSSI::handleMsgProgram()");

  2180.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "ii");

  2181. 

  2182.         const int32_t bank    = argv[0]->i;

  2183.         const int32_t program = argv[1]->i;

  2184. 

  2185.         CARLA_SAFE_ASSERT_RETURN(bank >= 0,);

  2186.         CARLA_SAFE_ASSERT_RETURN(program >= 0,);

  2187. 

  2188.         setMidiProgramById(static_cast<uint32_t>(bank), static_cast<uint32_t>(program), false, true, true);

  2189.     }

  2190. 

  2191.     void handleOscMessageMIDI(const int argc, const lo_arg* const* const argv, const char* const types)

  2192.     {

  2193.         carla_debug("CarlaPluginDSSI::handleMsgMidi()");

  2194.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(1, "m");

  2195. 

  2196.         if (getMidiInCount() == 0)

  2197.         {

  2198.             carla_stderr("CarlaPluginDSSI::handleMsgMidi() - received midi when plugin has no midi inputs");

  2199.             return;

  2200.         }

  2201. 

  2202. #ifndef BUILD_BRIDGE

  2203.         const uint8_t* const data = argv[0]->m;

  2204.         uint8_t status  = data[1];

  2205.         uint8_t channel = status & 0x0F;

  2206. 

  2207.         // Fix bad note-off

  2208.         if (MIDI_IS_STATUS_NOTE_ON(status) && data[3] == 0)

  2209.             status = MIDI_STATUS_NOTE_OFF;

  2210. 

  2211.         if (MIDI_IS_STATUS_NOTE_OFF(status))

  2212.         {

  2213.             const uint8_t note = data[2];

  2214. 

  2215.             CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2216. 

  2217.             sendMidiSingleNote(channel, note, 0, false, true, true);

  2218.         }

  2219.         else if (MIDI_IS_STATUS_NOTE_ON(status))

  2220.         {

  2221.             const uint8_t note = data[2];

  2222.             const uint8_t velo = data[3];

  2223. 

  2224.             CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2225.             CARLA_SAFE_ASSERT_RETURN(velo < MAX_MIDI_VALUE,);

  2226. 

  2227.             sendMidiSingleNote(channel, note, velo, false, true, true);

  2228.         }

  2229. #endif

  2230.     }

  2231. 

  2232.     void handleOscMessageUpdate(const int argc, const lo_arg* const* const argv, const char* const types, const lo_address source)

  2233.     {

  2234.         carla_debug("CarlaPluginDSSI::handleMsgUpdate()");

  2235.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(1, "s");

  2236. 

  2237.         const char* const url = (const char*)&argv[0]->s;

  2238. 

  2239.         // FIXME - remove debug prints later

  2240.         carla_stdout("CarlaPluginDSSI::updateOscData(%p, \"%s\")", source, url);

  2241. 

  2242.         fOscData.clear();

  2243. 

  2244.         const int proto = lo_address_get_protocol(source);

  2245. 

  2246.         {

  2247.             const char* host = lo_address_get_hostname(source);

  2248.             const char* port = lo_address_get_port(source);

  2249.             fOscData.source = lo_address_new_with_proto(proto, host, port);

  2250. 

  2251.             carla_stdout("CarlaPlugin::updateOscData() - source: host \"%s\", port \"%s\"", host, port);

  2252.         }

  2253. 

  2254.         {

  2255.             char* host = lo_url_get_hostname(url);

  2256.             char* port = lo_url_get_port(url);

  2257.             fOscData.path   = carla_strdup_free(lo_url_get_path(url));

  2258.             fOscData.target = lo_address_new_with_proto(proto, host, port);

  2259.             carla_stdout("CarlaPlugin::updateOscData() - target: host \"%s\", port \"%s\", path \"%s\"", host, port, fOscData.path);

  2260. 

  2261.             std::free(host);

  2262.             std::free(port);

  2263.         }

  2264. 

  2265.         osc_send_sample_rate(fOscData, static_cast<float>(pData->engine->getSampleRate()));

  2266. 

  2267.         for (LinkedList<CustomData>::Itenerator it = pData->custom.begin(); it.valid(); it.next())

  2268.         {

  2269.             const CustomData& customData(it.getValue(kCustomDataFallback));

  2270.             CARLA_SAFE_ASSERT_CONTINUE(customData.isValid());

  2271. 

  2272.             if (std::strcmp(customData.type, CUSTOM_DATA_TYPE_STRING) == 0)

  2273.                 osc_send_configure(fOscData, customData.key, customData.value);

  2274.         }

  2275. 

  2276.         if (pData->prog.current >= 0)

  2277.             osc_send_program(fOscData, static_cast<uint32_t>(pData->prog.current));

  2278. 

  2279.         if (pData->midiprog.current >= 0)

  2280.         {

  2281.             const MidiProgramData& curMidiProg(pData->midiprog.getCurrent());

  2282. 

  2283.             if (getType() == PLUGIN_DSSI)

  2284.                 osc_send_program(fOscData, curMidiProg.bank, curMidiProg.program);

  2285.             else

  2286.                 osc_send_midi_program(fOscData, curMidiProg.bank, curMidiProg.program);

  2287.         }

  2288. 

  2289.         for (uint32_t i=0; i < pData->param.count; ++i)

  2290.             osc_send_control(fOscData, pData->param.data[i].rindex, getParameterValue(i));

  2291. 

  2292.         if ((pData->hints & PLUGIN_HAS_CUSTOM_UI) != 0 && pData->engine->getOptions().frontendWinId != 0)

  2293.             pData->transientTryCounter = 1;

  2294. 

  2295.         carla_stdout("CarlaPluginDSSI::updateOscData() - done");

  2296.     }

  2297. 

  2298.     void handleOscMessageExiting()

  2299.     {

  2300.         carla_debug("CarlaPluginDSSI::handleMsgExiting()");

  2301. 

  2302.         // hide UI

  2303.         showCustomUI(false);

  2304. 

  2305.         // tell frontend

  2306.         pData->engine->callback(ENGINE_CALLBACK_UI_STATE_CHANGED, pData->id, 0, 0, 0.0f, nullptr);

  2307.     }

  2308. 

  2309.     // -------------------------------------------------------------------

  2310.     // Post-poned UI Stuff

  2311. 

  2312.     void uiParameterChange(const uint32_t index, const float value) noexcept override

  2313.     {

  2314.         CARLA_SAFE_ASSERT_RETURN(index < pData->param.count,);

  2315. 

  2316.         if (fOscData.target == nullptr)

  2317.             return;

  2318. 

  2319.         osc_send_control(fOscData, pData->param.data[index].rindex, value);

  2320.     }

  2321. 

  2322.     void uiMidiProgramChange(const uint32_t index) noexcept override

  2323.     {

  2324.         CARLA_SAFE_ASSERT_RETURN(index < pData->midiprog.count,);

  2325. 

  2326.         if (fOscData.target == nullptr)

  2327.             return;

  2328. 

  2329.         osc_send_program(fOscData, pData->midiprog.data[index].bank, pData->midiprog.data[index].program);

  2330.     }

  2331. 

  2332.     void uiNoteOn(const uint8_t channel, const uint8_t note, const uint8_t velo) noexcept override

  2333.     {

  2334.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2335.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2336.         CARLA_SAFE_ASSERT_RETURN(velo > 0 && velo < MAX_MIDI_VALUE,);

  2337. 

  2338.         if (fOscData.target == nullptr)

  2339.             return;

  2340. 

  2341. #if 0

  2342.         uint8_t midiData[4];

  2343.         midiData[0] = 0;

  2344.         midiData[1] = uint8_t(MIDI_STATUS_NOTE_ON | (channel & MIDI_CHANNEL_BIT));

  2345.         midiData[2] = note;

  2346.         midiData[3] = velo;

  2347. 

  2348.         osc_send_midi(fOscData, midiData);

  2349. #endif

  2350.     }

  2351. 

  2352.     void uiNoteOff(const uint8_t channel, const uint8_t note) noexcept override

  2353.     {

  2354.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2355.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2356. 

  2357.         if (fOscData.target == nullptr)

  2358.             return;

  2359. 

  2360. #if 0

  2361.         uint8_t midiData[4];

  2362.         midiData[0] = 0;

  2363.         midiData[1] = uint8_t(MIDI_STATUS_NOTE_ON | (channel & MIDI_CHANNEL_BIT));

  2364.         midiData[2] = note;

  2365.         midiData[3] = 0;

  2366. 

  2367.         osc_send_midi(fOscData, midiData);

  2368. #endif

  2369.     }

  2370. 

  2371.     // -------------------------------------------------------------------

  2372. 

  2373.     void* getNativeHandle() const noexcept override

  2374.     {

  2375.         return fHandle;

  2376.     }

  2377. 

  2378.     const void* getNativeDescriptor() const noexcept override

  2379.     {

  2380.         return fDssiDescriptor;

  2381.     }

  2382. 

  2383.     uintptr_t getUiBridgeProcessId() const noexcept override

  2384.     {

  2385.         return fThreadUI.getProcessPID();

  2386.     }

  2387. 

  2388.     const void* getExtraStuff() const noexcept override

  2389.     {

  2390.         return fUiFilename;

  2391.     }

  2392. 

  2393.     // -------------------------------------------------------------------

  2394. 

  2395.     bool init(const char* const filename, const char* const name, const char* const label)

  2396.     {

  2397.         CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr, false);

  2398. 

  2399.         // ---------------------------------------------------------------

  2400.         // first checks

  2401. 

  2402.         if (pData->client != nullptr)

  2403.         {

  2404.             pData->engine->setLastError("Plugin client is already registered");

  2405.             return false;

  2406.         }

  2407. 

  2408.         if (filename == nullptr || filename[0] == '\0')

  2409.         {

  2410.             pData->engine->setLastError("null filename");

  2411.             return false;

  2412.         }

  2413. 

  2414.         if (label == nullptr || label[0] == '\0')

  2415.         {

  2416.             pData->engine->setLastError("null label");

  2417.             return false;

  2418.         }

  2419. 

  2420.         // ---------------------------------------------------------------

  2421.         // open DLL

  2422. 

  2423.         if (! pData->libOpen(filename))

  2424.         {

  2425.             pData->engine->setLastError(pData->libError(filename));

  2426.             return false;

  2427.         }

  2428. 

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

  2430.         // get DLL main entry

  2431. 

  2432.         const DSSI_Descriptor_Function descFn = pData->libSymbol<DSSI_Descriptor_Function>("dssi_descriptor");

  2433. 

  2434.         if (descFn == nullptr)

  2435.         {

  2436.             pData->engine->setLastError("Could not find the DSSI Descriptor in the plugin library");

  2437.             return false;

  2438.         }

  2439. 

  2440.         // ---------------------------------------------------------------

  2441.         // get descriptor that matches label

  2442. 

  2443.         ulong i = 0;

  2444. 

  2445.         for (;;)

  2446.         {

  2447.             try {

  2448.                 fDssiDescriptor = descFn(i++);

  2449.             }

  2450.             catch(...) {

  2451.                 carla_stderr2("Caught exception when trying to get LADSPA descriptor");

  2452.                 fDescriptor     = nullptr;

  2453.                 fDssiDescriptor = nullptr;

  2454.                 break;

  2455.             }

  2456. 

  2457.             if (fDssiDescriptor == nullptr)

  2458.                 break;

  2459. 

  2460.             fDescriptor = fDssiDescriptor->LADSPA_Plugin;

  2461. 

  2462.             if (fDescriptor == nullptr)

  2463.             {

  2464.                 carla_stderr2("WARNING - Missing LADSPA interface, will not use this plugin");

  2465.                 fDssiDescriptor = nullptr;

  2466.                 break;

  2467.             }

  2468.             if (fDescriptor->Label == nullptr || fDescriptor->Label[0] == '\0')

  2469.             {

  2470.                 carla_stderr2("WARNING - Got an invalid label, will not use this plugin");

  2471.                 fDescriptor     = nullptr;

  2472.                 fDssiDescriptor = nullptr;

  2473.                 break;

  2474.             }

  2475.             if (fDescriptor->run == nullptr)

  2476.             {

  2477.                 carla_stderr2("WARNING - Plugin has no run, cannot use it");

  2478.                 fDescriptor     = nullptr;

  2479.                 fDssiDescriptor = nullptr;

  2480.                 break;

  2481.             }

  2482. 

  2483.             if (std::strcmp(fDescriptor->Label, label) == 0)

  2484.                 break;

  2485.         }

  2486. 

  2487.         if (fDescriptor == nullptr || fDssiDescriptor == nullptr)

  2488.         {

  2489.             pData->engine->setLastError("Could not find the requested plugin label in the plugin library");

  2490.             return false;

  2491.         }

  2492. 

  2493.         // ---------------------------------------------------------------

  2494.         // check if uses global instance

  2495. 

  2496.         if (fDssiDescriptor->run_synth == nullptr && fDssiDescriptor->run_multiple_synths != nullptr)

  2497.         {

  2498.             if (! addUniqueMultiSynth(fDescriptor->Label))

  2499.             {

  2500.                 pData->engine->setLastError("This plugin uses a global instance and can't be used more than once safely");

  2501.                 return false;

  2502.             }

  2503.         }

  2504. 

  2505.         // ---------------------------------------------------------------

  2506.         // get info

  2507. 

  2508.         if (name != nullptr && name[0] != '\0')

  2509.             pData->name = pData->engine->getUniquePluginName(name);

  2510.         else if (fDescriptor->Name != nullptr && fDescriptor->Name[0] != '\0')

  2511.             pData->name = pData->engine->getUniquePluginName(fDescriptor->Name);

  2512.         else

  2513.             pData->name = pData->engine->getUniquePluginName(fDescriptor->Label);

  2514. 

  2515.         pData->filename = carla_strdup(filename);

  2516. 

  2517.         // ---------------------------------------------------------------

  2518.         // register client

  2519. 

  2520.         pData->client = pData->engine->addClient(this);

  2521. 

  2522.         if (pData->client == nullptr || ! pData->client->isOk())

  2523.         {

  2524.             pData->engine->setLastError("Failed to register plugin client");

  2525.             return false;

  2526.         }

  2527. 

  2528.         // ---------------------------------------------------------------

  2529.         // initialize plugin

  2530. 

  2531.         try {

  2532.             fHandle = fDescriptor->instantiate(fDescriptor, (ulong)pData->engine->getSampleRate());

  2533.         } CARLA_SAFE_EXCEPTION("DSSI instantiate");

  2534. 

  2535.         if (fHandle == nullptr)

  2536.         {

  2537.             pData->engine->setLastError("Plugin failed to initialize");

  2538.             return false;

  2539.         }

  2540. 

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

  2542.         // check for custom data extension

  2543. 

  2544.         if (fDssiDescriptor->configure != nullptr)

  2545.         {

  2546.             if (char* const error = fDssiDescriptor->configure(fHandle, DSSI_CUSTOMDATA_EXTENSION_KEY, ""))

  2547.             {

  2548.                 if (std::strcmp(error, "true") == 0 && fDssiDescriptor->get_custom_data != nullptr && fDssiDescriptor->set_custom_data != nullptr)

  2549.                     fUsesCustomData = true;

  2550. 

  2551.                 std::free(error);

  2552.             }

  2553.         }

  2554. 

  2555.         // ---------------------------------------------------------------

  2556.         // gui stuff

  2557. 

  2558.         if (const char* const guiFilename = find_dssi_ui(filename, fDescriptor->Label))

  2559.         {

  2560.             fThreadUI.setData(guiFilename, fDescriptor->Label);

  2561.             fUiFilename = guiFilename;

  2562.         }

  2563. 

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

  2565.         // set default options

  2566. 

  2567. #ifdef __USE_GNU

  2568.         const bool isDssiVst(strcasestr(pData->filename, "dssi-vst") != nullptr);

  2569. #else

  2570.         const bool isDssiVst(std::strstr(pData->filename, "dssi-vst") != nullptr);

  2571. #endif

  2572. 

  2573.         pData->options = 0x0;

  2574. 

  2575.         if (fLatencyIndex >= 0 || isDssiVst)

  2576.             pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;

  2577. 

  2578.         if (pData->engine->getOptions().forceStereo)

  2579.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  2580. 

  2581.         if (fUsesCustomData)

  2582.             pData->options |= PLUGIN_OPTION_USE_CHUNKS;

  2583. 

  2584.         if (fDssiDescriptor->get_program != nullptr && fDssiDescriptor->select_program != nullptr)

  2585.             pData->options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  2586. 

  2587.         if (fDssiDescriptor->run_synth != nullptr || fDssiDescriptor->run_multiple_synths != nullptr)

  2588.         {

  2589.             pData->options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  2590.             pData->options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  2591.             pData->options |= PLUGIN_OPTION_SEND_PITCHBEND;

  2592.             pData->options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  2593. 

  2594.             if (fDssiDescriptor->run_synth == nullptr)

  2595.                 carla_stderr("WARNING: Plugin can ONLY use run_multiple_synths!");

  2596.         }

  2597. 

  2598.         return true;

  2599.     }

  2600. 

  2601.     // -------------------------------------------------------------------

  2602. 

  2603. private:

  2604.     LADSPA_Handle fHandle;

  2605.     LADSPA_Handle fHandle2;

  2606.     const LADSPA_Descriptor* fDescriptor;

  2607.     const DSSI_Descriptor*   fDssiDescriptor;

  2608. 

  2609.     bool fUsesCustomData;

  2610.     const char* fUiFilename;

  2611. 

  2612.     float** fAudioInBuffers;

  2613.     float** fAudioOutBuffers;

  2614.     float*  fParamBuffers;

  2615. 

  2616.     bool    fLatencyChanged;

  2617.     int32_t fLatencyIndex; // -1 if invalid

  2618. 

  2619.     snd_seq_event_t fMidiEvents[kPluginMaxMidiEvents];

  2620. 

  2621.     CarlaOscData      fOscData;

  2622.     CarlaThreadDSSIUI fThreadUI;

  2623. 

  2624.     // -------------------------------------------------------------------

  2625. 

  2626.     uint32_t getSafePortCount() const noexcept

  2627.     {

  2628.         if (fDescriptor->PortCount == 0)

  2629.             return 0;

  2630. 

  2631.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortDescriptors != nullptr, 0);

  2632.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortRangeHints != nullptr, 0);

  2633.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortNames != nullptr, 0);

  2634. 

  2635.         return static_cast<uint32_t>(fDescriptor->PortCount);

  2636.     }

  2637. 

  2638.     bool getSeparatedParameterNameOrUnit(const char* const paramName, char* const strBuf, const bool wantName) const noexcept

  2639.     {

  2640.         if (_getSeparatedParameterNameOrUnitImpl(paramName, strBuf, wantName, true))

  2641.             return true;

  2642.         if (_getSeparatedParameterNameOrUnitImpl(paramName, strBuf, wantName, false))

  2643.             return true;

  2644.         return false;

  2645.     }

  2646. 

  2647.     bool _getSeparatedParameterNameOrUnitImpl(const char* const paramName, char* const strBuf, const bool wantName, const bool useBracket) const noexcept

  2648.     {

  2649.         const char* const sepBracketStart(std::strstr(paramName, useBracket ? " [" : " ("));

  2650. 

  2651.         if (sepBracketStart == nullptr)

  2652.             return false;

  2653. 

  2654.         const char* const sepBracketEnd(std::strstr(sepBracketStart, useBracket ? "]" : ")"));

  2655. 

  2656.         if (sepBracketEnd == nullptr)

  2657.             return false;

  2658. 

  2659.         const size_t unitSize(static_cast<size_t>(sepBracketEnd-sepBracketStart-2));

  2660. 

  2661.         if (unitSize > 7) // very unlikely to have such big unit

  2662.             return false;

  2663. 

  2664.         const size_t sepIndex(std::strlen(paramName)-unitSize-3);

  2665. 

  2666.         // just in case

  2667.         if (sepIndex > STR_MAX)

  2668.             return false;

  2669. 

  2670.         if (wantName)

  2671.         {

  2672.             std::strncpy(strBuf, paramName, sepIndex);

  2673.             strBuf[sepIndex] = '\0';

  2674.         }

  2675.         else

  2676.         {

  2677.             std::strncpy(strBuf, paramName+(sepIndex+2), unitSize);

  2678.             strBuf[unitSize] = '\0';

  2679.         }

  2680. 

  2681.         return true;

  2682.     }

  2683. 

  2684.     // -------------------------------------------------------------------

  2685. 

  2686.     static LinkedList<const char*> sMultiSynthList;

  2687. 

  2688.     static bool addUniqueMultiSynth(const char* const label) noexcept

  2689.     {

  2690.         CARLA_SAFE_ASSERT_RETURN(label != nullptr && label[0] != '\0', false);

  2691. 

  2692.         const char* dlabel = nullptr;

  2693. 

  2694.         try {

  2695.             dlabel = carla_strdup(label);

  2696.         } catch(...) { return false; }

  2697. 

  2698.         for (LinkedList<const char*>::Itenerator it = sMultiSynthList.begin(); it.valid(); it.next())

  2699.         {

  2700.             const char* const itLabel(it.getValue());

  2701. 

  2702.             if (std::strcmp(dlabel, itLabel) == 0)

  2703.             {

  2704.                 delete[] dlabel;

  2705.                 return false;

  2706.             }

  2707.         }

  2708. 

  2709.         return sMultiSynthList.append(dlabel);

  2710.     }

  2711. 

  2712.     static void removeUniqueMultiSynth(const char* const label) noexcept

  2713.     {

  2714.         CARLA_SAFE_ASSERT_RETURN(label != nullptr && label[0] != '\0',);

  2715. 

  2716.         for (LinkedList<const char*>::Itenerator it = sMultiSynthList.begin(); it.valid(); it.next())

  2717.         {

  2718.             const char* const itLabel(it.getValue());

  2719. 

  2720.             if (std::strcmp(label, itLabel) == 0)

  2721.             {

  2722.                 sMultiSynthList.remove(it);

  2723.                 delete[] itLabel;

  2724.                 break;

  2725.             }

  2726.         }

  2727.     }

  2728. 

  2729.     // -------------------------------------------------------------------

  2730. 

  2731.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaPluginDSSI)

  2732. };

  2733. 

  2734. LinkedList<const char*> CarlaPluginDSSI::sMultiSynthList;

  2735. 

  2736. // -------------------------------------------------------------------------------------------------------------------

  2737. 

  2738. CarlaPlugin* CarlaPlugin::newDSSI(const Initializer& init)

  2739. {

  2740.     carla_debug("CarlaPlugin::newDSSI({%p, \"%s\", \"%s\", \"%s\", " P_INT64 "})", init.engine, init.filename, init.name, init.label, init.uniqueId);

  2741. 

  2742.     CarlaPluginDSSI* const plugin(new CarlaPluginDSSI(init.engine, init.id));

  2743. 

  2744.     if (! plugin->init(init.filename, init.name, init.label))

  2745.     {

  2746.         delete plugin;

  2747.         return nullptr;

  2748.     }

  2749. 

  2750.     plugin->reload();

  2751. 

  2752.     bool canRun = true;

  2753. 

  2754.     if (init.engine->getProccessMode() == ENGINE_PROCESS_MODE_CONTINUOUS_RACK)

  2755.     {

  2756.         if (! plugin->canRunInRack())

  2757.         {

  2758.             init.engine->setLastError("Carla's rack mode can only work with Mono or Stereo DSSI plugins, sorry!");

  2759.             canRun = false;

  2760.         }

  2761.         else if (plugin->getCVInCount() > 0 || plugin->getCVInCount() > 0)

  2762.         {

  2763.             init.engine->setLastError("Carla's rack mode cannot work with plugins that have CV ports, sorry!");

  2764.             canRun = false;

  2765.         }

  2766.     }

  2767.     else if (init.engine->getProccessMode() == ENGINE_PROCESS_MODE_PATCHBAY && (plugin->getCVInCount() > 0 || plugin->getCVInCount() > 0))

  2768.     {

  2769.         init.engine->setLastError("CV ports in patchbay mode is still TODO");

  2770.         canRun = false;

  2771.     }

  2772. 

  2773.     if (! canRun)

  2774.     {

  2775.         delete plugin;

  2776.         return nullptr;

  2777.     }

  2778. 

  2779.     return plugin;

  2780. }

  2781. 

  2782. // -------------------------------------------------------------------------------------------------------------------

  2783. 

  2784. CARLA_BACKEND_END_NAMESPACE