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Carla/source/backend/plugin/CarlaPluginDSSI.cpp

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  1. /*

  2.  * Carla DSSI Plugin

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

  4.  *

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

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

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

  8.  * the License, or any later version.

  9.  *

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

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

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

  13.  * GNU General Public License for more details.

  14.  *

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

  16.  */

  17. 

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

  19. // TODO: common laterncy code

  20. 

  21. #include "CarlaPluginInternal.hpp"

  22. #include "CarlaEngineUtils.hpp"

  23. 

  24. #include "CarlaDssiUtils.hpp"

  25. #include "CarlaMathUtils.hpp"

  26. #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.         String name(kPlugin->getName());

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

  116. 

  117.         if (name.isEmpty())

  118.             name = "(none)";

  119. 

  120.         if (filename.isEmpty())

  121.             filename = "\"\"";

  122. 

  123.         StringArray arguments;

  124. 

  125.         // binary

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

  127. 

  128.         // osc-url

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

  130. 

  131.         // filename

  132.         arguments.add(filename);

  133. 

  134.         // label

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

  136. 

  137.         // ui-title

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

  139. 

  140.         bool started;

  141. 

  142.         {

  143. #ifdef CARLA_OS_LINUX

  144.             const ScopedEngineEnvironmentLocker _seel(kEngine);

  145. 

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

  147. 

  148.             if (oldPreload != nullptr)

  149.                 ::unsetenv("LD_PRELOAD");

  150. #endif

  151. 

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

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

  154. 

  155. #ifdef CARLA_OS_LINUX

  156.             if (oldPreload != nullptr)

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

  158. #endif

  159.         }

  160. 

  161.         if (! started)

  162.         {

  163.             carla_stdout("failed!");

  164.             fProcess = nullptr;

  165.             return;

  166.         }

  167. 

  168.         if (waitForOscGuiShow())

  169.         {

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

  171.                 carla_sleep(1);

  172. 

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

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

  175.             {

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

  177. 

  178.                 if (fProcess->isRunning())

  179.                 {

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

  181.                     fProcess->kill();

  182.                 }

  183.                 else

  184.                 {

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

  186.                 }

  187.             }

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

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

  190.             else

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

  192. 

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

  194.         }

  195.         else

  196.         {

  197.             fProcess->kill();

  198. 

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

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

  201.         }

  202. 

  203.         carla_stdout("DSSI UI finished");

  204.         fProcess = nullptr;

  205.     }

  206. 

  207. private:

  208.     CarlaEngine* const kEngine;

  209.     CarlaPlugin* const kPlugin;

  210. 

  211.     CarlaString fBinary;

  212.     CarlaString fLabel;

  213. 

  214.     const CarlaOscData&         fOscData;

  215.     ScopedPointer<ChildProcess> fProcess;

  216. 

  217.     bool waitForOscGuiShow()

  218.     {

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

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

  221. 

  222.         // wait for UI 'update' call

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

  224.         {

  225.             if (fOscData.target != nullptr)

  226.             {

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

  228.                 osc_send_show(fOscData);

  229.                 return true;

  230.             }

  231. 

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

  233.                 carla_msleep(100);

  234.             else

  235.                 return false;

  236.         }

  237. 

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

  239.         return false;

  240.     }

  241. 

  242.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaThreadDSSIUI)

  243. };

  244. 

  245. // -----------------------------------------------------

  246. 

  247. class CarlaPluginDSSI : public CarlaPlugin

  248. {

  249. public:

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

  251.         : CarlaPlugin(engine, id),

  252.           fHandle(nullptr),

  253.           fHandle2(nullptr),

  254.           fDescriptor(nullptr),

  255.           fDssiDescriptor(nullptr),

  256.           fUsesCustomData(false),

  257.           fUiFilename(nullptr),

  258.           fAudioInBuffers(nullptr),

  259.           fAudioOutBuffers(nullptr),

  260.           fParamBuffers(nullptr),

  261.           fLatencyChanged(false),

  262.           fLatencyIndex(-1),

  263.           fOscData(),

  264.           fThreadUI(engine, this, fOscData),

  265.           leakDetector_CarlaPluginDSSI()

  266.     {

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

  268.     }

  269. 

  270.     ~CarlaPluginDSSI() noexcept override

  271.     {

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

  273. 

  274.         // close UI

  275.         if (pData->hints & PLUGIN_HAS_CUSTOM_UI)

  276.         {

  277.             showCustomUI(false);

  278. 

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

  280.         }

  281. 

  282.         pData->singleMutex.lock();

  283.         pData->masterMutex.lock();

  284. 

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

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

  287. 

  288.         if (pData->active)

  289.         {

  290.             deactivate();

  291.             pData->active = false;

  292.         }

  293. 

  294.         if (fDescriptor != nullptr)

  295.         {

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

  297.                 removeUniqueMultiSynth(fDescriptor->Label);

  298. 

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

  300.             {

  301.                 if (fHandle != nullptr)

  302.                 {

  303.                     try {

  304.                         fDescriptor->cleanup(fHandle);

  305.                     } CARLA_SAFE_EXCEPTION("DSSI cleanup");

  306.                 }

  307. 

  308.                 if (fHandle2 != nullptr)

  309.                 {

  310.                     try {

  311.                         fDescriptor->cleanup(fHandle2);

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

  313.                 }

  314.             }

  315. 

  316.             fHandle  = nullptr;

  317.             fHandle2 = nullptr;

  318.             fDescriptor = nullptr;

  319.             fDssiDescriptor = nullptr;

  320.         }

  321. 

  322.         if (fUiFilename != nullptr)

  323.         {

  324.             delete[] fUiFilename;

  325.             fUiFilename = nullptr;

  326.         }

  327. 

  328.         clearBuffers();

  329.     }

  330. 

  331.     // -------------------------------------------------------------------

  332.     // Information (base)

  333. 

  334.     PluginType getType() const noexcept override

  335.     {

  336.         return PLUGIN_DSSI;

  337.     }

  338. 

  339.     PluginCategory getCategory() const noexcept override

  340.     {

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

  342. 

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

  344.             return PLUGIN_CATEGORY_SYNTH;

  345. 

  346.         return CarlaPlugin::getCategory();

  347.     }

  348. 

  349.     int64_t getUniqueId() const noexcept override

  350.     {

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

  352. 

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

  354.     }

  355. 

  356.     // -------------------------------------------------------------------

  357.     // Information (count)

  358. 

  359.     // nothing

  360. 

  361.     // -------------------------------------------------------------------

  362.     // Information (current data)

  363. 

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

  365.     {

  366.         CARLA_SAFE_ASSERT_RETURN(fUsesCustomData, 0);

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

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

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

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

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

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

  373. 

  374.         *dataPtr = nullptr;

  375. 

  376.         int ret = 0;

  377.         ulong dataSize = 0;

  378. 

  379.         try {

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

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

  382. 

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

  384.     }

  385. 

  386.     // -------------------------------------------------------------------

  387.     // Information (per-plugin data)

  388. 

  389.     uint getOptionsAvailable() const noexcept override

  390.     {

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

  392. 

  393. #ifdef __USE_GNU

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

  395. #else

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

  397. #endif

  398. 

  399.         uint options = 0x0;

  400. 

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

  402.             options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  403. 

  404.         if (! isDssiVst)

  405.         {

  406.             if (fLatencyIndex == -1)

  407.                 options |= PLUGIN_OPTION_FIXED_BUFFERS;

  408. 

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

  410.             {

  411.                 if (pData->options & PLUGIN_OPTION_FORCE_STEREO)

  412.                     options |= PLUGIN_OPTION_FORCE_STEREO;

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

  414.                     options |= PLUGIN_OPTION_FORCE_STEREO;

  415.             }

  416.         }

  417. 

  418.         if (fUsesCustomData)

  419.             options |= PLUGIN_OPTION_USE_CHUNKS;

  420. 

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

  422.         {

  423.             options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  424.             options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  425.             options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  426.             options |= PLUGIN_OPTION_SEND_PITCHBEND;

  427.             options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  428.         }

  429. 

  430.         return options;

  431.     }

  432. 

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

  434.     {

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

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

  437. 

  438.         return fParamBuffers[parameterId];

  439.     }

  440. 

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

  442.     {

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

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

  445. 

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

  447.     }

  448. 

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

  450.     {

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

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

  453. 

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

  455.     }

  456. 

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

  458.     {

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

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

  461. 

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

  463.     }

  464. 

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

  466.     {

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

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

  469. 

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

  471.     }

  472. 

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

  474.     {

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

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

  477. 

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

  479. 

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

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

  482. 

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

  484.             return;

  485. 

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

  487.     }

  488. 

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

  490.     {

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

  492. 

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

  494. 

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

  496. 

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

  498.             return;

  499. 

  500.         nullStrBuf(strBuf);

  501.     }

  502. 

  503.     // -------------------------------------------------------------------

  504.     // Set data (state)

  505. 

  506.     // nothing

  507. 

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

  509.     // Set data (internal stuff)

  510. 

  511.     void setId(const uint newId) noexcept

  512.     {

  513.         CarlaPlugin::setId(newId);

  514. 

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

  516.         // FIXME - must be RT safe

  517.         showCustomUI(false);

  518.     }

  519. 

  520.     // -------------------------------------------------------------------

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

  522. 

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

  524.     {

  525.         CARLA_SAFE_ASSERT_RETURN(fParamBuffers != nullptr,);

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

  527. 

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

  529.         fParamBuffers[parameterId] = fixedValue;

  530. 

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

  532.     }

  533. 

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

  535.     {

  536.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

  537.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

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

  540.         CARLA_SAFE_ASSERT_RETURN(value != nullptr,);

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

  542. 

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

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

  545. 

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

  547.         {

  548.             try {

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

  550.             } catch(...) {}

  551. 

  552.             if (fHandle2 != nullptr)

  553.             {

  554.                 try {

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

  556.                 } catch(...) {}

  557.             }

  558.         }

  559. 

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

  561.             osc_send_configure(fOscData, key, value);

  562. 

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

  564.         {

  565.             const ScopedSingleProcessLocker spl(this, true);

  566.             reloadPrograms(false);

  567.         }

  568. 

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

  570.     }

  571. 

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

  573.     {

  574.         CARLA_SAFE_ASSERT_RETURN(fUsesCustomData,);

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

  576.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

  578.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  579.         CARLA_SAFE_ASSERT_RETURN(fHandle2 == nullptr,);

  580.         CARLA_SAFE_ASSERT_RETURN(data != nullptr,);

  581.         CARLA_SAFE_ASSERT_RETURN(dataSize > 0,);

  582. 

  583.         {

  584.             const ScopedSingleProcessLocker spl(this, true);

  585. 

  586.             try {

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

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

  589.         }

  590. 

  591. #ifdef BUILD_BRIDGE

  592.         const bool sendOsc(false);

  593. #else

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

  595. #endif

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

  597.     }

  598. 

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

  600.     {

  601.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

  603.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  605. 

  606.         if (index >= 0)

  607.         {

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

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

  610. 

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

  612. 

  613.             try {

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

  615.             } catch(...) {}

  616. 

  617.             if (fHandle2 != nullptr)

  618.             {

  619.                 try {

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

  621.                 } catch(...) {}

  622.             }

  623.         }

  624. 

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

  626.     }

  627. 

  628.     // -------------------------------------------------------------------

  629.     // Set ui stuff

  630. 

  631.     void showCustomUI(const bool yesNo) override

  632.     {

  633.         if (yesNo)

  634.         {

  635.             fOscData.clear();

  636.             fThreadUI.startThread();

  637.         }

  638.         else

  639.         {

  640.             pData->transientTryCounter = 0;

  641. 

  642.             if (fOscData.target != nullptr)

  643.             {

  644.                 osc_send_hide(fOscData);

  645.                 osc_send_quit(fOscData);

  646.                 fOscData.clear();

  647.             }

  648. 

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

  650.         }

  651.     }

  652. 

  653.     void idle() override

  654.     {

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

  656.         {

  657.             fLatencyChanged = false;

  658. 

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

  660. 

  661.             if (latency >= 0)

  662.             {

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

  664. 

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

  666.                 {

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

  668. 

  669.                     const ScopedSingleProcessLocker sspl(this, true);

  670. 

  671.                     pData->latency = ulatency;

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

  673. #ifndef BUILD_BRIDGE

  674.                     pData->recreateLatencyBuffers();

  675. #endif

  676.                 }

  677.             }

  678.             else

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

  680.         }

  681. 

  682.         CarlaPlugin::idle();

  683.     }

  684. 

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

  686.     // Plugin state

  687. 

  688.     void reload() override

  689.     {

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

  691.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  692.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

  693.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  695. 

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

  697. 

  698.         // Safely disable plugin for reload

  699.         const ScopedDisabler sd(this);

  700. 

  701.         if (pData->active)

  702.             deactivate();

  703. 

  704.         clearBuffers();

  705. 

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

  707.         const uint32_t portCount(getSafePortCount());

  708. 

  709.         uint32_t aIns, aOuts, mIns, params;

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

  711. 

  712.         bool forcedStereoIn, forcedStereoOut;

  713.         forcedStereoIn = forcedStereoOut = false;

  714. 

  715.         bool needsCtrlIn, needsCtrlOut;

  716.         needsCtrlIn = needsCtrlOut = false;

  717. 

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

  719.         {

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

  721. 

  722.             if (LADSPA_IS_PORT_AUDIO(portType))

  723.             {

  724.                 if (LADSPA_IS_PORT_INPUT(portType))

  725.                     aIns += 1;

  726.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  727.                     aOuts += 1;

  728.             }

  729.             else if (LADSPA_IS_PORT_CONTROL(portType))

  730.                 params += 1;

  731.         }

  732. 

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

  734.         {

  735.             if (fHandle2 == nullptr)

  736.             {

  737.                 try {

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

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

  740.             }

  741. 

  742.             if (fHandle2 != nullptr)

  743.             {

  744.                 if (aIns == 1)

  745.                 {

  746.                     aIns = 2;

  747.                     forcedStereoIn = true;

  748.                 }

  749. 

  750.                 if (aOuts == 1)

  751.                 {

  752.                     aOuts = 2;

  753.                     forcedStereoOut = true;

  754.                 }

  755.             }

  756.         }

  757. 

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

  759.         {

  760.             mIns = 1;

  761.             needsCtrlIn = true;

  762.         }

  763. 

  764.         if (aIns > 0)

  765.         {

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

  767.             fAudioInBuffers = new float*[aIns];

  768. 

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

  770.                 fAudioInBuffers[i] = nullptr;

  771.         }

  772. 

  773.         if (aOuts > 0)

  774.         {

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

  776.             fAudioOutBuffers = new float*[aOuts];

  777.             needsCtrlIn = true;

  778. 

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

  780.                 fAudioOutBuffers[i] = nullptr;

  781.         }

  782. 

  783.         if (params > 0)

  784.         {

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

  786. 

  787.             fParamBuffers = new float[params];

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

  789.         }

  790. 

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

  792.         CarlaString portName;

  793. 

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

  795.         {

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

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

  798. 

  799.             if (LADSPA_IS_PORT_AUDIO(portType))

  800.             {

  801.                 portName.clear();

  802. 

  803.                 if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  804.                 {

  805.                     portName  = pData->name;

  806.                     portName += ":";

  807.                 }

  808. 

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

  810.                 {

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

  812.                 }

  813.                 else

  814.                 {

  815.                     if (LADSPA_IS_PORT_INPUT(portType))

  816.                     {

  817.                         if (aIns > 1)

  818.                         {

  819.                             portName += "audio-in_";

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

  821.                         }

  822.                         else

  823.                             portName += "audio-in";

  824.                     }

  825.                     else

  826.                     {

  827.                         if (aOuts > 1)

  828.                         {

  829.                             portName += "audio-out_";

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

  831.                         }

  832.                         else

  833.                             portName += "audio-out";

  834.                     }

  835.                 }

  836. 

  837.                 portName.truncate(portNameSize);

  838. 

  839.                 if (LADSPA_IS_PORT_INPUT(portType))

  840.                 {

  841.                     const uint32_t j = iAudioIn++;

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

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

  844. 

  845.                     if (forcedStereoIn)

  846.                     {

  847.                         portName += "_2";

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

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

  850.                     }

  851.                 }

  852.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  853.                 {

  854.                     const uint32_t j = iAudioOut++;

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

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

  857. 

  858.                     if (forcedStereoOut)

  859.                     {

  860.                         portName += "_2";

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

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

  863.                     }

  864.                 }

  865.                 else

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

  867.             }

  868.             else if (LADSPA_IS_PORT_CONTROL(portType))

  869.             {

  870.                 const uint32_t j = iCtrl++;

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

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

  873. 

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

  875. 

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

  877. 

  878.                 // min value

  879.                 if (LADSPA_IS_HINT_BOUNDED_BELOW(portRangeHints.HintDescriptor))

  880.                     min = portRangeHints.LowerBound;

  881.                 else

  882.                     min = 0.0f;

  883. 

  884.                 // max value

  885.                 if (LADSPA_IS_HINT_BOUNDED_ABOVE(portRangeHints.HintDescriptor))

  886.                     max = portRangeHints.UpperBound;

  887.                 else

  888.                     max = 1.0f;

  889. 

  890.                 if (min > max)

  891.                 {

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

  893.                     min = max - 0.1f;

  894.                 }

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

  896.                 {

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

  898.                     max = min + 0.1f;

  899.                 }

  900. 

  901.                 // default value

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

  903. 

  904.                 if (def < min)

  905.                     def = min;

  906.                 else if (def > max)

  907.                     def = max;

  908. 

  909.                 if (LADSPA_IS_HINT_SAMPLE_RATE(portRangeHints.HintDescriptor))

  910.                 {

  911.                     min *= sampleRate;

  912.                     max *= sampleRate;

  913.                     def *= sampleRate;

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

  915.                 }

  916. 

  917.                 if (LADSPA_IS_HINT_TOGGLED(portRangeHints.HintDescriptor))

  918.                 {

  919.                     step = max - min;

  920.                     stepSmall = step;

  921.                     stepLarge = step;

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

  923.                 }

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

  925.                 {

  926.                     step = 1.0f;

  927.                     stepSmall = 1.0f;

  928.                     stepLarge = 10.0f;

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

  930.                 }

  931.                 else

  932.                 {

  933.                     const float range = max - min;

  934.                     step = range/100.0f;

  935.                     stepSmall = range/1000.0f;

  936.                     stepLarge = range/10.0f;

  937.                 }

  938. 

  939.                 if (LADSPA_IS_PORT_INPUT(portType))

  940.                 {

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

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

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

  944.                     needsCtrlIn = true;

  945. 

  946.                     // MIDI CC value

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

  948.                     {

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

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

  951.                         {

  952.                             int16_t cc = DSSI_CC_NUMBER(controller);

  953.                             if (! MIDI_IS_CONTROL_BANK_SELECT(cc))

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

  955.                         }

  956.                     }

  957.                 }

  958.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  959.                 {

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

  961. 

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

  963.                     {

  964.                         min = 0.0f;

  965.                         max = sampleRate;

  966.                         def = 0.0f;

  967.                         step = 1.0f;

  968.                         stepSmall = 1.0f;

  969.                         stepLarge = 1.0f;

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

  971.                         CARLA_SAFE_ASSERT(fLatencyIndex == -1);

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

  973.                     }

  974.                     else

  975.                     {

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

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

  978.                         needsCtrlOut = true;

  979.                     }

  980.                 }

  981.                 else

  982.                 {

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

  984.                 }

  985. 

  986.                 // extra parameter hints

  987.                 if (LADSPA_IS_HINT_LOGARITHMIC(portRangeHints.HintDescriptor))

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

  989. 

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

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

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

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

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

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

  996. 

  997.                 // Start parameters in their default values

  998.                 fParamBuffers[j] = def;

  999. 

  1000.                 try {

  1001.                     fDescriptor->connect_port(fHandle, i, &fParamBuffers[j]);

  1002.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port parameter");

  1003. 

  1004.                 if (fHandle2 != nullptr)

  1005.                 {

  1006.                     try {

  1007.                         fDescriptor->connect_port(fHandle2, i, &fParamBuffers[j]);

  1008.                     } CARLA_SAFE_EXCEPTION("DSSI connect_port parameter #2");

  1009.                 }

  1010.             }

  1011.             else

  1012.             {

  1013.                 // Not Audio or Control

  1014.                 carla_stderr2("ERROR - Got a broken Port (neither Audio or Control)");

  1015. 

  1016.                 try {

  1017.                     fDescriptor->connect_port(fHandle, i, nullptr);

  1018.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port null");

  1019. 

  1020.                 if (fHandle2 != nullptr)

  1021.                 {

  1022.                     try {

  1023.                         fDescriptor->connect_port(fHandle2, i, nullptr);

  1024.                     } CARLA_SAFE_EXCEPTION("DSSI connect_port null #2");

  1025.                 }

  1026.             }

  1027.         }

  1028. 

  1029.         if (needsCtrlIn)

  1030.         {

  1031.             portName.clear();

  1032. 

  1033.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1034.             {

  1035.                 portName  = pData->name;

  1036.                 portName += ":";

  1037.             }

  1038. 

  1039.             portName += "events-in";

  1040.             portName.truncate(portNameSize);

  1041. 

  1042.             pData->event.portIn = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, true);

  1043.         }

  1044. 

  1045.         if (needsCtrlOut)

  1046.         {

  1047.             portName.clear();

  1048. 

  1049.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1050.             {

  1051.                 portName  = pData->name;

  1052.                 portName += ":";

  1053.             }

  1054. 

  1055.             portName += "events-out";

  1056.             portName.truncate(portNameSize);

  1057. 

  1058.             pData->event.portOut = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, false);

  1059.         }

  1060. 

  1061.         if (forcedStereoIn || forcedStereoOut)

  1062.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  1063.         else

  1064.             pData->options &= ~PLUGIN_OPTION_FORCE_STEREO;

  1065. 

  1066.         // plugin hints

  1067.         pData->hints = 0x0;

  1068. 

  1069.         if (LADSPA_IS_HARD_RT_CAPABLE(fDescriptor->Properties))

  1070.             pData->hints |= PLUGIN_IS_RTSAFE;

  1071. 

  1072.         if (fUiFilename != nullptr)

  1073.             pData->hints |= PLUGIN_HAS_CUSTOM_UI;

  1074. 

  1075. #ifndef BUILD_BRIDGE

  1076.         if (aOuts > 0 && (aIns == aOuts || aIns == 1))

  1077.             pData->hints |= PLUGIN_CAN_DRYWET;

  1078. 

  1079.         if (aOuts > 0)

  1080.             pData->hints |= PLUGIN_CAN_VOLUME;

  1081. 

  1082.         if (aOuts >= 2 && aOuts % 2 == 0)

  1083.             pData->hints |= PLUGIN_CAN_BALANCE;

  1084. #endif

  1085. 

  1086.         // extra plugin hints

  1087.         pData->extraHints = 0x0;

  1088. 

  1089.         if (mIns > 0)

  1090.             pData->extraHints |= PLUGIN_EXTRA_HINT_HAS_MIDI_IN;

  1091. 

  1092.         if (aIns <= 2 && aOuts <= 2 && (aIns == aOuts || aIns == 0 || aOuts == 0))

  1093.             pData->extraHints |= PLUGIN_EXTRA_HINT_CAN_RUN_RACK;

  1094. 

  1095.         // check latency

  1096.         if (fLatencyIndex >= 0)

  1097.         {

  1098.             // we need to pre-run the plugin so it can update its latency control-port

  1099. 

  1100.             float tmpIn [(aIns > 0)  ? aIns  : 1][2];

  1101.             float tmpOut[(aOuts > 0) ? aOuts : 1][2];

  1102. 

  1103.             for (uint32_t j=0; j < aIns; ++j)

  1104.             {

  1105.                 tmpIn[j][0] = 0.0f;

  1106.                 tmpIn[j][1] = 0.0f;

  1107. 

  1108.                 try {

  1109.                     fDescriptor->connect_port(fHandle, pData->audioIn.ports[j].rindex, tmpIn[j]);

  1110.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port latency input");

  1111.             }

  1112. 

  1113.             for (uint32_t j=0; j < aOuts; ++j)

  1114.             {

  1115.                 tmpOut[j][0] = 0.0f;

  1116.                 tmpOut[j][1] = 0.0f;

  1117. 

  1118.                 try {

  1119.                     fDescriptor->connect_port(fHandle, pData->audioOut.ports[j].rindex, tmpOut[j]);

  1120.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port latency output");

  1121.             }

  1122. 

  1123.             if (fDescriptor->activate != nullptr)

  1124.             {

  1125.                 try {

  1126.                     fDescriptor->activate(fHandle);

  1127.                 } CARLA_SAFE_EXCEPTION("DSSI latency activate");

  1128.             }

  1129. 

  1130.             try {

  1131.                 fDescriptor->run(fHandle, 2);

  1132.             } CARLA_SAFE_EXCEPTION("DSSI latency run");

  1133. 

  1134.             if (fDescriptor->deactivate != nullptr)

  1135.             {

  1136.                 try {

  1137.                     fDescriptor->deactivate(fHandle);

  1138.                 } CARLA_SAFE_EXCEPTION("DSSI latency deactivate");

  1139.             }

  1140. 

  1141.             const int32_t latency(static_cast<int32_t>(fParamBuffers[fLatencyIndex]));

  1142. 

  1143.             if (latency >= 0)

  1144.             {

  1145.                 const uint32_t ulatency(static_cast<uint32_t>(latency));

  1146. 

  1147.                 if (pData->latency != ulatency)

  1148.                 {

  1149.                     carla_stdout("latency = %i", latency);

  1150. 

  1151.                     pData->latency = ulatency;

  1152.                     pData->client->setLatency(ulatency);

  1153. #ifndef BUILD_BRIDGE

  1154.                     pData->recreateLatencyBuffers();

  1155. #endif

  1156.                 }

  1157.             }

  1158.             else

  1159.                 carla_safe_assert_int("latency >= 0", __FILE__, __LINE__, latency);

  1160. 

  1161.             fLatencyChanged = false;

  1162.         }

  1163. 

  1164.         bufferSizeChanged(pData->engine->getBufferSize());

  1165.         reloadPrograms(true);

  1166. 

  1167.         if (pData->active)

  1168.             activate();

  1169. 

  1170.         carla_debug("CarlaPluginDSSI::reload() - end");

  1171.     }

  1172. 

  1173.     void reloadPrograms(const bool doInit) override

  1174.     {

  1175.         carla_debug("CarlaPluginDSSI::reloadPrograms(%s)", bool2str(doInit));

  1176.         const uint32_t oldCount = pData->midiprog.count;

  1177.         const int32_t  current  = pData->midiprog.current;

  1178. 

  1179.         // Delete old programs

  1180.         pData->midiprog.clear();

  1181. 

  1182.         // Query new programs

  1183.         uint32_t newCount = 0;

  1184.         if (fDssiDescriptor->get_program != nullptr && fDssiDescriptor->select_program != nullptr)

  1185.         {

  1186.             for (; fDssiDescriptor->get_program(fHandle, newCount) != nullptr;)

  1187.                 ++newCount;

  1188.         }

  1189. 

  1190.         if (newCount > 0)

  1191.         {

  1192.             pData->midiprog.createNew(newCount);

  1193. 

  1194.             // Update data

  1195.             for (uint32_t i=0; i < newCount; ++i)

  1196.             {

  1197.                 const DSSI_Program_Descriptor* const pdesc(fDssiDescriptor->get_program(fHandle, i));

  1198.                 CARLA_SAFE_ASSERT_CONTINUE(pdesc != nullptr);

  1199.                 CARLA_SAFE_ASSERT(pdesc->Name != nullptr);

  1200. 

  1201.                 pData->midiprog.data[i].bank    = static_cast<uint32_t>(pdesc->Bank);

  1202.                 pData->midiprog.data[i].program = static_cast<uint32_t>(pdesc->Program);

  1203.                 pData->midiprog.data[i].name    = carla_strdup(pdesc->Name);

  1204.             }

  1205.         }

  1206. 

  1207. #ifndef BUILD_BRIDGE

  1208.         // Update OSC Names

  1209.         if (pData->engine->isOscControlRegistered())

  1210.         {

  1211.             pData->engine->oscSend_control_set_midi_program_count(pData->id, newCount);

  1212. 

  1213.             for (uint32_t i=0; i < newCount; ++i)

  1214.                 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);

  1215.         }

  1216. #endif

  1217. 

  1218.         if (doInit)

  1219.         {

  1220.             if (newCount > 0)

  1221.                 setMidiProgram(0, false, false, false);

  1222.         }

  1223.         else

  1224.         {

  1225.             // Check if current program is invalid

  1226.             bool programChanged = false;

  1227. 

  1228.             if (newCount == oldCount+1)

  1229.             {

  1230.                 // one midi program added, probably created by user

  1231.                 pData->midiprog.current = static_cast<int32_t>(oldCount);

  1232.                 programChanged = true;

  1233.             }

  1234.             else if (current < 0 && newCount > 0)

  1235.             {

  1236.                 // programs exist now, but not before

  1237.                 pData->midiprog.current = 0;

  1238.                 programChanged = true;

  1239.             }

  1240.             else if (current >= 0 && newCount == 0)

  1241.             {

  1242.                 // programs existed before, but not anymore

  1243.                 pData->midiprog.current = -1;

  1244.                 programChanged = true;

  1245.             }

  1246.             else if (current >= static_cast<int32_t>(newCount))

  1247.             {

  1248.                 // current midi program > count

  1249.                 pData->midiprog.current = 0;

  1250.                 programChanged = true;

  1251.             }

  1252.             else

  1253.             {

  1254.                 // no change

  1255.                 pData->midiprog.current = current;

  1256.             }

  1257. 

  1258.             if (programChanged)

  1259.                 setMidiProgram(pData->midiprog.current, true, true, true);

  1260. 

  1261.             pData->engine->callback(ENGINE_CALLBACK_RELOAD_PROGRAMS, pData->id, 0, 0, 0.0f, nullptr);

  1262.         }

  1263.     }

  1264. 

  1265.     // -------------------------------------------------------------------

  1266.     // Plugin processing

  1267. 

  1268.     void activate() noexcept override

  1269.     {

  1270.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1271.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  1272. 

  1273.         if (fDescriptor->activate != nullptr)

  1274.         {

  1275.             try {

  1276.                 fDescriptor->activate(fHandle);

  1277.             } CARLA_SAFE_EXCEPTION("DSSI activate");

  1278. 

  1279.             if (fHandle2 != nullptr)

  1280.             {

  1281.                 try {

  1282.                     fDescriptor->activate(fHandle2);

  1283.                 } CARLA_SAFE_EXCEPTION("DSSI activate #2");

  1284.             }

  1285.         }

  1286.     }

  1287. 

  1288.     void deactivate() noexcept override

  1289.     {

  1290.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1291.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  1292. 

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

  1294.         {

  1295.             try {

  1296.                 fDescriptor->deactivate(fHandle);

  1297.             } CARLA_SAFE_EXCEPTION("DSSI deactivate");

  1298. 

  1299.             if (fHandle2 != nullptr)

  1300.             {

  1301.                 try {

  1302.                     fDescriptor->deactivate(fHandle2);

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

  1304.             }

  1305.         }

  1306.     }

  1307. 

  1308.     void process(const float** const audioIn, float** const audioOut, const float** const cvIn, float** const cvOut, const uint32_t frames) override

  1309.     {

  1310.         // --------------------------------------------------------------------------------------------------------

  1311.         // Check if active

  1312. 

  1313.         if (! pData->active)

  1314.         {

  1315.             // disable any output sound

  1316.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1317.                 FloatVectorOperations::clear(audioOut[i], static_cast<int>(frames));

  1318.             for (uint32_t i=0; i < pData->cvOut.count; ++i)

  1319.                 FloatVectorOperations::clear(cvOut[i], static_cast<int>(frames));

  1320.             return;

  1321.         }

  1322. 

  1323.         ulong midiEventCount = 0;

  1324.         carla_zeroStruct<snd_seq_event_t>(fMidiEvents, kPluginMaxMidiEvents);

  1325. 

  1326.         // --------------------------------------------------------------------------------------------------------

  1327.         // Check if needs reset

  1328. 

  1329.         if (pData->needsReset)

  1330.         {

  1331.             if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1332.             {

  1333.                 midiEventCount = MAX_MIDI_CHANNELS*2;

  1334. 

  1335.                 for (uchar i=0, k=MAX_MIDI_CHANNELS; i < MAX_MIDI_CHANNELS; ++i)

  1336.                 {

  1337.                     fMidiEvents[i].type = SND_SEQ_EVENT_CONTROLLER;

  1338.                     fMidiEvents[i].data.control.channel = i;

  1339.                     fMidiEvents[i].data.control.param   = MIDI_CONTROL_ALL_NOTES_OFF;

  1340. 

  1341.                     fMidiEvents[k+i].type = SND_SEQ_EVENT_CONTROLLER;

  1342.                     fMidiEvents[k+i].data.control.channel = i;

  1343.                     fMidiEvents[k+i].data.control.param   = MIDI_CONTROL_ALL_SOUND_OFF;

  1344.                 }

  1345.             }

  1346.             else if (pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1347.             {

  1348.                 midiEventCount = MAX_MIDI_NOTE;

  1349. 

  1350.                 for (uchar i=0; i < MAX_MIDI_NOTE; ++i)

  1351.                 {

  1352.                     fMidiEvents[i].type = SND_SEQ_EVENT_NOTEOFF;

  1353.                     fMidiEvents[i].data.note.channel = static_cast<uchar>(pData->ctrlChannel);

  1354.                     fMidiEvents[i].data.note.note    = i;

  1355.                 }

  1356.             }

  1357. 

  1358. #ifndef BUILD_BRIDGE

  1359.             if (pData->latency > 0)

  1360.             {

  1361.                 for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1362.                     FloatVectorOperations::clear(pData->latencyBuffers[i], static_cast<int>(pData->latency));

  1363.             }

  1364. #endif

  1365. 

  1366.             pData->needsReset = false;

  1367.         }

  1368. 

  1369.         // --------------------------------------------------------------------------------------------------------

  1370.         // Event Input and Processing

  1371. 

  1372.         if (pData->event.portIn != nullptr)

  1373.         {

  1374.             // ----------------------------------------------------------------------------------------------------

  1375.             // MIDI Input (External)

  1376. 

  1377.             if (pData->extNotes.mutex.tryLock())

  1378.             {

  1379.                 ExternalMidiNote note = { 0, 0, 0 };

  1380. 

  1381.                 for (; midiEventCount < kPluginMaxMidiEvents && ! pData->extNotes.data.isEmpty();)

  1382.                 {

  1383.                     note = pData->extNotes.data.getFirst(note, true);

  1384. 

  1385.                     CARLA_SAFE_ASSERT_CONTINUE(note.channel >= 0 && note.channel < MAX_MIDI_CHANNELS);

  1386. 

  1387.                     snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1388. 

  1389.                     seqEvent.type               = (note.velo > 0) ? SND_SEQ_EVENT_NOTEON : SND_SEQ_EVENT_NOTEOFF;

  1390.                     seqEvent.data.note.channel  = static_cast<uchar>(note.channel);

  1391.                     seqEvent.data.note.note     = note.note;

  1392.                     seqEvent.data.note.velocity = note.velo;

  1393.                 }

  1394. 

  1395.                 pData->extNotes.mutex.unlock();

  1396. 

  1397.             } // End of MIDI Input (External)

  1398. 

  1399.             // ----------------------------------------------------------------------------------------------------

  1400.             // Event Input (System)

  1401. 

  1402. #ifndef BUILD_BRIDGE

  1403.             bool       allNotesOffSent  = false;

  1404. #endif

  1405.             const bool isSampleAccurate = (pData->options & PLUGIN_OPTION_FIXED_BUFFERS) == 0;

  1406. 

  1407.             uint32_t startTime  = 0;

  1408.             uint32_t timeOffset = 0;

  1409.             uint32_t nextBankId;

  1410. 

  1411.             if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1412.                 nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1413.             else

  1414.                 nextBankId = 0;

  1415. 

  1416.             for (uint32_t i=0, numEvents=pData->event.portIn->getEventCount(); i < numEvents; ++i)

  1417.             {

  1418.                 const EngineEvent& event(pData->event.portIn->getEvent(i));

  1419. 

  1420.                 if (event.time >= frames)

  1421.                     continue;

  1422. 

  1423.                 CARLA_ASSERT_INT2(event.time >= timeOffset, event.time, timeOffset);

  1424. 

  1425.                 if (isSampleAccurate && event.time > timeOffset)

  1426.                 {

  1427.                     if (processSingle(audioIn, audioOut, cvIn, cvOut, event.time - timeOffset, timeOffset, midiEventCount))

  1428.                     {

  1429.                         startTime  = 0;

  1430.                         timeOffset = event.time;

  1431.                         midiEventCount = 0;

  1432. 

  1433.                         if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1434.                             nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1435.                         else

  1436.                             nextBankId = 0;

  1437.                     }

  1438.                     else

  1439.                         startTime += timeOffset;

  1440.                 }

  1441. 

  1442.                 switch (event.type)

  1443.                 {

  1444.                 case kEngineEventTypeNull:

  1445.                     break;

  1446. 

  1447.                 case kEngineEventTypeControl: {

  1448.                     const EngineControlEvent& ctrlEvent(event.ctrl);

  1449. 

  1450.                     switch (ctrlEvent.type)

  1451.                     {

  1452.                     case kEngineControlEventTypeNull:

  1453.                         break;

  1454. 

  1455.                     case kEngineControlEventTypeParameter: {

  1456. #ifndef BUILD_BRIDGE

  1457.                         // Control backend stuff

  1458.                         if (event.channel == pData->ctrlChannel)

  1459.                         {

  1460.                             float value;

  1461. 

  1462.                             if (MIDI_IS_CONTROL_BREATH_CONTROLLER(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_DRYWET) != 0)

  1463.                             {

  1464.                                 value = ctrlEvent.value;

  1465.                                 setDryWet(value, false, false);

  1466.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_DRYWET, 0, value);

  1467.                                 break;

  1468.                             }

  1469. 

  1470.                             if (MIDI_IS_CONTROL_CHANNEL_VOLUME(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_VOLUME) != 0)

  1471.                             {

  1472.                                 value = ctrlEvent.value*127.0f/100.0f;

  1473.                                 setVolume(value, false, false);

  1474.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_VOLUME, 0, value);

  1475.                                 break;

  1476.                             }

  1477. 

  1478.                             if (MIDI_IS_CONTROL_BALANCE(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_BALANCE) != 0)

  1479.                             {

  1480.                                 float left, right;

  1481.                                 value = ctrlEvent.value/0.5f - 1.0f;

  1482. 

  1483.                                 if (value < 0.0f)

  1484.                                 {

  1485.                                     left  = -1.0f;

  1486.                                     right = (value*2.0f)+1.0f;

  1487.                                 }

  1488.                                 else if (value > 0.0f)

  1489.                                 {

  1490.                                     left  = (value*2.0f)-1.0f;

  1491.                                     right = 1.0f;

  1492.                                 }

  1493.                                 else

  1494.                                 {

  1495.                                     left  = -1.0f;

  1496.                                     right = 1.0f;

  1497.                                 }

  1498. 

  1499.                                 setBalanceLeft(left, false, false);

  1500.                                 setBalanceRight(right, false, false);

  1501.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_LEFT, 0, left);

  1502.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_RIGHT, 0, right);

  1503.                                 break;

  1504.                             }

  1505.                         }

  1506. #endif

  1507.                         // Control plugin parameters

  1508.                         uint32_t k;

  1509.                         for (k=0; k < pData->param.count; ++k)

  1510.                         {

  1511.                             if (pData->param.data[k].midiChannel != event.channel)

  1512.                                 continue;

  1513.                             if (pData->param.data[k].midiCC != ctrlEvent.param)

  1514.                                 continue;

  1515.                             if (pData->param.data[k].type != PARAMETER_INPUT)

  1516.                                 continue;

  1517.                             if ((pData->param.data[k].hints & PARAMETER_IS_AUTOMABLE) == 0)

  1518.                                 continue;

  1519. 

  1520.                             float value;

  1521. 

  1522.                             if (pData->param.data[k].hints & PARAMETER_IS_BOOLEAN)

  1523.                             {

  1524.                                 value = (ctrlEvent.value < 0.5f) ? pData->param.ranges[k].min : pData->param.ranges[k].max;

  1525.                             }

  1526.                             else

  1527.                             {

  1528.                                 value = pData->param.ranges[k].getUnnormalizedValue(ctrlEvent.value);

  1529. 

  1530.                                 if (pData->param.data[k].hints & PARAMETER_IS_INTEGER)

  1531.                                     value = std::rint(value);

  1532.                             }

  1533. 

  1534.                             setParameterValue(k, value, false, false, false);

  1535.                             pData->postponeRtEvent(kPluginPostRtEventParameterChange, static_cast<int32_t>(k), 0, value);

  1536.                             break;

  1537.                         }

  1538. 

  1539.                         // check if event is already handled

  1540.                         if (k != pData->param.count)

  1541.                             break;

  1542. 

  1543.                         if ((pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0 && ctrlEvent.param < MAX_MIDI_CONTROL)

  1544.                         {

  1545.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1546.                                 continue;

  1547. 

  1548.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1549. 

  1550.                             seqEvent.time.tick = isSampleAccurate ? startTime : event.time;

  1551. 

  1552.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1553.                             seqEvent.data.control.channel = event.channel;

  1554.                             seqEvent.data.control.param   = ctrlEvent.param;

  1555.                             seqEvent.data.control.value   = int8_t(ctrlEvent.value*127.0f);

  1556.                         }

  1557.                         break;

  1558.                     } // case kEngineControlEventTypeParameter

  1559. 

  1560.                     case kEngineControlEventTypeMidiBank:

  1561.                         if (event.channel == pData->ctrlChannel && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1562.                             nextBankId = ctrlEvent.param;

  1563.                         break;

  1564. 

  1565.                     case kEngineControlEventTypeMidiProgram:

  1566.                         if (event.channel == pData->ctrlChannel && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1567.                         {

  1568.                             const uint32_t nextProgramId = ctrlEvent.param;

  1569. 

  1570.                             for (uint32_t k=0; k < pData->midiprog.count; ++k)

  1571.                             {

  1572.                                 if (pData->midiprog.data[k].bank == nextBankId && pData->midiprog.data[k].program == nextProgramId)

  1573.                                 {

  1574.                                     const int32_t index(static_cast<int32_t>(k));

  1575.                                     setMidiProgram(index, false, false, false);

  1576.                                     pData->postponeRtEvent(kPluginPostRtEventMidiProgramChange, index, 0, 0.0f);

  1577.                                     break;

  1578.                                 }

  1579.                             }

  1580.                         }

  1581.                         break;

  1582. 

  1583.                     case kEngineControlEventTypeAllSoundOff:

  1584.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1585.                         {

  1586.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1587.                                 continue;

  1588. 

  1589.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1590. 

  1591.                             seqEvent.time.tick = isSampleAccurate ? startTime : event.time;

  1592. 

  1593.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1594.                             seqEvent.data.control.channel = event.channel;

  1595.                             seqEvent.data.control.param   = MIDI_CONTROL_ALL_SOUND_OFF;

  1596.                         }

  1597.                         break;

  1598. 

  1599.                     case kEngineControlEventTypeAllNotesOff:

  1600.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1601.                         {

  1602. #ifndef BUILD_BRIDGE

  1603.                             if (event.channel == pData->ctrlChannel && ! allNotesOffSent)

  1604.                             {

  1605.                                 allNotesOffSent = true;

  1606.                                 sendMidiAllNotesOffToCallback();

  1607.                             }

  1608. #endif

  1609. 

  1610.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1611.                                 continue;

  1612. 

  1613.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1614. 

  1615.                             seqEvent.time.tick = isSampleAccurate ? startTime : event.time;

  1616. 

  1617.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1618.                             seqEvent.data.control.channel = event.channel;

  1619.                             seqEvent.data.control.param   = MIDI_CONTROL_ALL_NOTES_OFF;

  1620.                         }

  1621.                         break;

  1622.                     } // switch (ctrlEvent.type)

  1623.                     break;

  1624.                 } // case kEngineEventTypeControl

  1625. 

  1626.                 case kEngineEventTypeMidi: {

  1627.                     if (midiEventCount >= kPluginMaxMidiEvents)

  1628.                         continue;

  1629. 

  1630.                     const EngineMidiEvent& midiEvent(event.midi);

  1631. 

  1632.                     if (midiEvent.size > EngineMidiEvent::kDataSize)

  1633.                         continue;

  1634. 

  1635.                     uint8_t status = uint8_t(MIDI_GET_STATUS_FROM_DATA(midiEvent.data));

  1636. 

  1637.                     // Fix bad note-off (per DSSI spec)

  1638.                     if (status == MIDI_STATUS_NOTE_ON && midiEvent.data[2] == 0)

  1639.                         status = MIDI_STATUS_NOTE_OFF;

  1640. 

  1641.                     snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1642. 

  1643.                     seqEvent.time.tick = isSampleAccurate ? startTime : event.time;

  1644. 

  1645.                     switch (status)

  1646.                     {

  1647.                     case MIDI_STATUS_NOTE_OFF: {

  1648.                         const uint8_t note = midiEvent.data[1];

  1649. 

  1650.                         seqEvent.type = SND_SEQ_EVENT_NOTEOFF;

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

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

  1653. 

  1654.                         pData->postponeRtEvent(kPluginPostRtEventNoteOff, event.channel, note, 0.0f);

  1655.                         break;

  1656.                     }

  1657. 

  1658.                     case MIDI_STATUS_NOTE_ON: {

  1659.                         const uint8_t note = midiEvent.data[1];

  1660.                         const uint8_t velo = midiEvent.data[2];

  1661. 

  1662.                         seqEvent.type = SND_SEQ_EVENT_NOTEON;

  1663.                         seqEvent.data.note.channel  = event.channel;

  1664.                         seqEvent.data.note.note     = note;

  1665.                         seqEvent.data.note.velocity = velo;

  1666. 

  1667.                         pData->postponeRtEvent(kPluginPostRtEventNoteOn, event.channel, note, velo);

  1668.                         break;

  1669.                     }

  1670. 

  1671.                     case MIDI_STATUS_POLYPHONIC_AFTERTOUCH:

  1672.                         if (pData->options & PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH)

  1673.                         {

  1674.                             const uint8_t note     = midiEvent.data[1];

  1675.                             const uint8_t pressure = midiEvent.data[2];

  1676. 

  1677.                             seqEvent.type = SND_SEQ_EVENT_KEYPRESS;

  1678.                             seqEvent.data.note.channel  = event.channel;

  1679.                             seqEvent.data.note.note     = note;

  1680.                             seqEvent.data.note.velocity = pressure;

  1681.                         }

  1682.                         break;

  1683. 

  1684.                     case MIDI_STATUS_CONTROL_CHANGE:

  1685.                         if (pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES)

  1686.                         {

  1687.                             const uint8_t control = midiEvent.data[1];

  1688.                             const uint8_t value   = midiEvent.data[2];

  1689. 

  1690.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

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

  1692.                             seqEvent.data.control.param   = control;

  1693.                             seqEvent.data.control.value   = value;

  1694.                         }

  1695.                         break;

  1696. 

  1697.                     case MIDI_STATUS_CHANNEL_PRESSURE:

  1698.                         if (pData->options & PLUGIN_OPTION_SEND_CHANNEL_PRESSURE)

  1699.                         {

  1700.                             const uint8_t pressure = midiEvent.data[1];

  1701. 

  1702.                             seqEvent.type = SND_SEQ_EVENT_CHANPRESS;

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

  1704.                             seqEvent.data.control.value   = pressure;

  1705.                         }

  1706.                         break;

  1707. 

  1708.                     case MIDI_STATUS_PITCH_WHEEL_CONTROL:

  1709.                         if (pData->options & PLUGIN_OPTION_SEND_PITCHBEND)

  1710.                         {

  1711.                             const uint8_t lsb = midiEvent.data[1];

  1712.                             const uint8_t msb = midiEvent.data[2];

  1713. 

  1714.                             seqEvent.type = SND_SEQ_EVENT_PITCHBEND;

  1715.                             seqEvent.data.control.channel = event.channel;

  1716.                             seqEvent.data.control.value   = ((msb << 7) | lsb) - 8192;

  1717.                         }

  1718.                         break;

  1719. 

  1720.                     default:

  1721.                         --midiEventCount;

  1722.                         break;

  1723.                     } // switch (status)

  1724.                 } break;

  1725.                 } // switch (event.type)

  1726.             }

  1727. 

  1728.             pData->postRtEvents.trySplice();

  1729. 

  1730.             if (frames > timeOffset)

  1731.                 processSingle(audioIn, audioOut, cvIn, cvOut, frames - timeOffset, timeOffset, midiEventCount);

  1732. 

  1733.         } // End of Event Input and Processing

  1734. 

  1735.         // --------------------------------------------------------------------------------------------------------

  1736.         // Plugin processing (no events)

  1737. 

  1738.         else

  1739.         {

  1740.             processSingle(audioIn, audioOut, cvIn, cvOut, frames, 0, midiEventCount);

  1741. 

  1742.         } // End of Plugin processing (no events)

  1743. 

  1744. #ifndef BUILD_BRIDGE

  1745.         // --------------------------------------------------------------------------------------------------------

  1746.         // Latency, save values for next callback

  1747. 

  1748.         if (fLatencyIndex != -1)

  1749.         {

  1750.             if (pData->latency != static_cast<uint32_t>(fParamBuffers[fLatencyIndex]))

  1751.             {

  1752.                 fLatencyChanged = true;

  1753.             }

  1754.             else if (pData->latency > 0)

  1755.             {

  1756.                 if (pData->latency <= frames)

  1757.                 {

  1758.                     for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1759.                         FloatVectorOperations::copy(pData->latencyBuffers[i], audioIn[i]+(frames-pData->latency), static_cast<int>(pData->latency));

  1760.                 }

  1761.                 else

  1762.                 {

  1763.                     for (uint32_t i=0, j, k; i < pData->audioIn.count; ++i)

  1764.                     {

  1765.                         for (k=0; k < pData->latency-frames; ++k)

  1766.                             pData->latencyBuffers[i][k] = pData->latencyBuffers[i][k+frames];

  1767.                         for (j=0; k < pData->latency; ++j, ++k)

  1768.                             pData->latencyBuffers[i][k] = audioIn[i][j];

  1769.                     }

  1770.                 }

  1771.             }

  1772.         }

  1773. 

  1774.         // --------------------------------------------------------------------------------------------------------

  1775.         // Control Output

  1776. 

  1777.         if (pData->event.portOut != nullptr)

  1778.         {

  1779.             uint8_t  channel;

  1780.             uint16_t param;

  1781.             float    value;

  1782. 

  1783.             for (uint32_t k=0; k < pData->param.count; ++k)

  1784.             {

  1785.                 if (pData->param.data[k].type != PARAMETER_OUTPUT)

  1786.                     continue;

  1787. 

  1788.                 pData->param.ranges[k].fixValue(fParamBuffers[k]);

  1789. 

  1790.                 if (pData->param.data[k].midiCC > 0)

  1791.                 {

  1792.                     channel = pData->param.data[k].midiChannel;

  1793.                     param   = static_cast<uint16_t>(pData->param.data[k].midiCC);

  1794.                     value   = pData->param.ranges[k].getNormalizedValue(fParamBuffers[k]);

  1795.                     pData->event.portOut->writeControlEvent(0, channel, kEngineControlEventTypeParameter, param, value);

  1796.                 }

  1797.             }

  1798.         } // End of Control Output

  1799. #endif

  1800.     }

  1801. 

  1802.     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)

  1803.     {

  1804.         CARLA_SAFE_ASSERT_RETURN(frames > 0, false);

  1805. 

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

  1807.         {

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

  1809.         }

  1810.         if (pData->audioOut.count > 0)

  1811.         {

  1812.             CARLA_SAFE_ASSERT_RETURN(audioOut != nullptr, false);

  1813.         }

  1814.         if (pData->cvIn.count > 0)

  1815.         {

  1816.             CARLA_SAFE_ASSERT_RETURN(cvIn != nullptr, false);

  1817.         }

  1818.         if (pData->cvOut.count > 0)

  1819.         {

  1820.             CARLA_SAFE_ASSERT_RETURN(cvOut != nullptr, false);

  1821.         }

  1822. 

  1823.         // --------------------------------------------------------------------------------------------------------

  1824.         // Try lock, silence otherwise

  1825. 

  1826.         if (pData->engine->isOffline())

  1827.         {

  1828.             pData->singleMutex.lock();

  1829.         }

  1830.         else if (! pData->singleMutex.tryLock())

  1831.         {

  1832.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1833.             {

  1834.                 for (uint32_t k=0; k < frames; ++k)

  1835.                     audioOut[i][k+timeOffset] = 0.0f;

  1836.             }

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

  1838.             {

  1839.                 for (uint32_t k=0; k < frames; ++k)

  1840.                     cvOut[i][k+timeOffset] = 0.0f;

  1841.             }

  1842. 

  1843.             return false;

  1844.         }

  1845. 

  1846.         // --------------------------------------------------------------------------------------------------------

  1847.         // Set audio buffers

  1848. 

  1849.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1850.             FloatVectorOperations::copy(fAudioInBuffers[i], audioIn[i]+timeOffset, static_cast<int>(frames));

  1851. 

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

  1853.             FloatVectorOperations::clear(fAudioOutBuffers[i], static_cast<int>(frames));

  1854. 

  1855. #if 0

  1856.         // --------------------------------------------------------------------------------------------------------

  1857.         // Set CV buffers

  1858. 

  1859.         for (uint32_t i=0; i < pData->cvIn.count; ++i)

  1860.             FloatVectorOperations::copy(fCvInBuffers[i], cvIn[i]+timeOffset, static_cast<int>(frames));

  1861. 

  1862.         for (uint32_t i=0; i < pData->cvOut.count; ++i)

  1863.             FloatVectorOperations::clear(fCvOutBuffers[i], static_cast<int>(frames));

  1864. #endif

  1865. 

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

  1867.         // Run plugin

  1868. 

  1869.         // TODO - try catch

  1870. 

  1871.         if (fDssiDescriptor->run_synth != nullptr)

  1872.         {

  1873.             fDssiDescriptor->run_synth(fHandle, frames, fMidiEvents, midiEventCount);

  1874. 

  1875.             if (fHandle2 != nullptr)

  1876.                 fDssiDescriptor->run_synth(fHandle2, frames, fMidiEvents, midiEventCount);

  1877.         }

  1878.         else if (fDssiDescriptor->run_multiple_synths != nullptr)

  1879.         {

  1880.             ulong instances = (fHandle2 != nullptr) ? 2 : 1;

  1881.             LADSPA_Handle handlePtr[2] = { fHandle, fHandle2 };

  1882.             snd_seq_event_t* midiEventsPtr[2] = { fMidiEvents, fMidiEvents };

  1883.             ulong midiEventCountPtr[2] = { midiEventCount, midiEventCount };

  1884.             fDssiDescriptor->run_multiple_synths(instances, handlePtr, frames, midiEventsPtr, midiEventCountPtr);

  1885.         }

  1886.         else

  1887.         {

  1888.             fDescriptor->run(fHandle, frames);

  1889. 

  1890.             if (fHandle2 != nullptr)

  1891.                 fDescriptor->run(fHandle2, frames);

  1892.         }

  1893. 

  1894. #ifndef BUILD_BRIDGE

  1895.         // --------------------------------------------------------------------------------------------------------

  1896.         // Post-processing (dry/wet, volume and balance)

  1897. 

  1898.         {

  1899.             const bool doDryWet  = (pData->hints & PLUGIN_CAN_DRYWET) != 0 && ! carla_compareFloats(pData->postProc.dryWet, 1.0f);

  1900.             const bool doBalance = (pData->hints & PLUGIN_CAN_BALANCE) != 0 && ! (carla_compareFloats(pData->postProc.balanceLeft, -1.0f) && carla_compareFloats(pData->postProc.balanceRight, 1.0f));

  1901.             const bool isMono    = (pData->audioIn.count == 1);

  1902. 

  1903.             bool isPair;

  1904.             float bufValue, oldBufLeft[doBalance ? frames : 1];

  1905. 

  1906.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1907.             {

  1908.                 // Dry/Wet

  1909.                 if (doDryWet)

  1910.                 {

  1911.                     for (uint32_t k=0; k < frames; ++k)

  1912.                     {

  1913.                         if (k < pData->latency)

  1914.                             bufValue = pData->latencyBuffers[isMono ? 0 : i][k];

  1915.                         else if (pData->latency < frames)

  1916.                             bufValue = fAudioInBuffers[isMono ? 0 : i][k-pData->latency];

  1917.                         else

  1918.                             bufValue = fAudioInBuffers[isMono ? 0 : i][k];

  1919. 

  1920.                         fAudioOutBuffers[i][k] = (fAudioOutBuffers[i][k] * pData->postProc.dryWet) + (bufValue * (1.0f - pData->postProc.dryWet));

  1921.                     }

  1922.                 }

  1923. 

  1924.                 // Balance

  1925.                 if (doBalance)

  1926.                 {

  1927.                     isPair = (i % 2 == 0);

  1928. 

  1929.                     if (isPair)

  1930.                     {

  1931.                         CARLA_ASSERT(i+1 < pData->audioOut.count);

  1932.                         FloatVectorOperations::copy(oldBufLeft, fAudioOutBuffers[i], static_cast<int>(frames));

  1933.                     }

  1934. 

  1935.                     float balRangeL = (pData->postProc.balanceLeft  + 1.0f)/2.0f;

  1936.                     float balRangeR = (pData->postProc.balanceRight + 1.0f)/2.0f;

  1937. 

  1938.                     for (uint32_t k=0; k < frames; ++k)

  1939.                     {

  1940.                         if (isPair)

  1941.                         {

  1942.                             // left

  1943.                             fAudioOutBuffers[i][k]  = oldBufLeft[k]            * (1.0f - balRangeL);

  1944.                             fAudioOutBuffers[i][k] += fAudioOutBuffers[i+1][k] * (1.0f - balRangeR);

  1945.                         }

  1946.                         else

  1947.                         {

  1948.                             // right

  1949.                             fAudioOutBuffers[i][k]  = fAudioOutBuffers[i][k] * balRangeR;

  1950.                             fAudioOutBuffers[i][k] += oldBufLeft[k]          * balRangeL;

  1951.                         }

  1952.                     }

  1953.                 }

  1954. 

  1955.                 // Volume (and buffer copy)

  1956.                 {

  1957.                     for (uint32_t k=0; k < frames; ++k)

  1958.                         audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k] * pData->postProc.volume;

  1959.                 }

  1960.             }

  1961. 

  1962.         } // End of Post-processing

  1963. 

  1964. #else // BUILD_BRIDGE

  1965.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1966.         {

  1967.             for (uint32_t k=0; k < frames; ++k)

  1968.                 audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k];

  1969.         }

  1970. #endif

  1971. 

  1972. #if 0

  1973.         for (uint32_t i=0; i < pData->cvOut.count; ++i)

  1974.         {

  1975.             for (uint32_t k=0; k < frames; ++k)

  1976.                 cvOut[i][k+timeOffset] = fCvOutBuffers[i][k];

  1977.         }

  1978. #endif

  1979. 

  1980.         // --------------------------------------------------------------------------------------------------------

  1981. 

  1982.         pData->singleMutex.unlock();

  1983.         return true;

  1984.     }

  1985. 

  1986.     void bufferSizeChanged(const uint32_t newBufferSize) override

  1987.     {

  1988.         CARLA_ASSERT_INT(newBufferSize > 0, newBufferSize);

  1989.         carla_debug("CarlaPluginDSSI::bufferSizeChanged(%i) - start", newBufferSize);

  1990. 

  1991.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1992.         {

  1993.             if (fAudioInBuffers[i] != nullptr)

  1994.                 delete[] fAudioInBuffers[i];

  1995.             fAudioInBuffers[i] = new float[newBufferSize];

  1996.         }

  1997. 

  1998.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1999.         {

  2000.             if (fAudioOutBuffers[i] != nullptr)

  2001.                 delete[] fAudioOutBuffers[i];

  2002.             fAudioOutBuffers[i] = new float[newBufferSize];

  2003.         }

  2004. 

  2005.         if (fHandle2 == nullptr)

  2006.         {

  2007.             for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2008.             {

  2009.                 CARLA_ASSERT(fAudioInBuffers[i] != nullptr);

  2010. 

  2011.                 try {

  2012.                     fDescriptor->connect_port(fHandle, pData->audioIn.ports[i].rindex, fAudioInBuffers[i]);

  2013.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port audio input");

  2014.             }

  2015. 

  2016.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2017.             {

  2018.                 CARLA_ASSERT(fAudioOutBuffers[i] != nullptr);

  2019. 

  2020.                 try {

  2021.                     fDescriptor->connect_port(fHandle, pData->audioOut.ports[i].rindex, fAudioOutBuffers[i]);

  2022.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port audio output");

  2023.             }

  2024.         }

  2025.         else

  2026.         {

  2027.             if (pData->audioIn.count > 0)

  2028.             {

  2029.                 CARLA_ASSERT(pData->audioIn.count == 2);

  2030.                 CARLA_ASSERT(fAudioInBuffers[0] != nullptr);

  2031.                 CARLA_ASSERT(fAudioInBuffers[1] != nullptr);

  2032. 

  2033.                 try {

  2034.                     fDescriptor->connect_port(fHandle, pData->audioIn.ports[0].rindex, fAudioInBuffers[0]);

  2035.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port audio input #1");

  2036. 

  2037.                 try {

  2038.                     fDescriptor->connect_port(fHandle2, pData->audioIn.ports[1].rindex, fAudioInBuffers[1]);

  2039.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port audio input #2");

  2040.             }

  2041. 

  2042.             if (pData->audioOut.count > 0)

  2043.             {

  2044.                 CARLA_ASSERT(pData->audioOut.count == 2);

  2045.                 CARLA_ASSERT(fAudioOutBuffers[0] != nullptr);

  2046.                 CARLA_ASSERT(fAudioOutBuffers[1] != nullptr);

  2047. 

  2048.                 try {

  2049.                     fDescriptor->connect_port(fHandle, pData->audioOut.ports[0].rindex, fAudioOutBuffers[0]);

  2050.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port audio output #1");

  2051. 

  2052.                 try {

  2053.                     fDescriptor->connect_port(fHandle2, pData->audioOut.ports[1].rindex, fAudioOutBuffers[1]);

  2054.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port audio output #2");

  2055.             }

  2056.         }

  2057. 

  2058.         carla_debug("CarlaPluginDSSI::bufferSizeChanged(%i) - end", newBufferSize);

  2059.     }

  2060. 

  2061.     void sampleRateChanged(const double newSampleRate) override

  2062.     {

  2063.         CARLA_ASSERT_INT(newSampleRate > 0.0, newSampleRate);

  2064.         carla_debug("CarlaPluginDSSI::sampleRateChanged(%g) - start", newSampleRate);

  2065. 

  2066.         // TODO

  2067.         (void)newSampleRate;

  2068. 

  2069.         carla_debug("CarlaPluginDSSI::sampleRateChanged(%g) - end", newSampleRate);

  2070.     }

  2071. 

  2072.     // -------------------------------------------------------------------

  2073.     // Plugin buffers

  2074. 

  2075.     void clearBuffers() noexcept override

  2076.     {

  2077.         carla_debug("CarlaPluginDSSI::clearBuffers() - start");

  2078. 

  2079.         if (fAudioInBuffers != nullptr)

  2080.         {

  2081.             for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2082.             {

  2083.                 if (fAudioInBuffers[i] != nullptr)

  2084.                 {

  2085.                     delete[] fAudioInBuffers[i];

  2086.                     fAudioInBuffers[i] = nullptr;

  2087.                 }

  2088.             }

  2089. 

  2090.             delete[] fAudioInBuffers;

  2091.             fAudioInBuffers = nullptr;

  2092.         }

  2093. 

  2094.         if (fAudioOutBuffers != nullptr)

  2095.         {

  2096.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2097.             {

  2098.                 if (fAudioOutBuffers[i] != nullptr)

  2099.                 {

  2100.                     delete[] fAudioOutBuffers[i];

  2101.                     fAudioOutBuffers[i] = nullptr;

  2102.                 }

  2103.             }

  2104. 

  2105.             delete[] fAudioOutBuffers;

  2106.             fAudioOutBuffers = nullptr;

  2107.         }

  2108. 

  2109.         if (fParamBuffers != nullptr)

  2110.         {

  2111.             delete[] fParamBuffers;

  2112.             fParamBuffers = nullptr;

  2113.         }

  2114. 

  2115.         CarlaPlugin::clearBuffers();

  2116. 

  2117.         carla_debug("CarlaPluginDSSI::clearBuffers() - end");

  2118.     }

  2119. 

  2120.     // -------------------------------------------------------------------

  2121.     // OSC stuff

  2122. 

  2123.     void handleOscMessage(const char* const method, const int argc, const void* const argvx, const char* const types, const lo_message msg) override

  2124.     {

  2125.         const lo_address source(lo_message_get_source(msg));

  2126.         CARLA_SAFE_ASSERT_RETURN(source != nullptr,);

  2127. 

  2128.         // protocol for DSSI UIs *must* be UDP

  2129.         CARLA_SAFE_ASSERT_RETURN(lo_address_get_protocol(source) == LO_UDP,);

  2130. 

  2131.         if (fOscData.source == nullptr)

  2132.         {

  2133.             // if no UI is registered yet only "update" message is valid

  2134.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(method, "update") == 0,)

  2135.         }

  2136.         else

  2137.         {

  2138.             // make sure message source is the DSSI UI

  2139.             const char* const msghost = lo_address_get_hostname(source);

  2140.             const char* const msgport = lo_address_get_port(source);

  2141. 

  2142.             const char* const ourhost = lo_address_get_hostname(fOscData.source);

  2143.             const char* const ourport = lo_address_get_port(fOscData.source);

  2144. 

  2145.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(msghost, ourhost) == 0,);

  2146.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(msgport, ourport) == 0,);

  2147.         }

  2148. 

  2149.         const lo_arg* const* const argv(static_cast<const lo_arg* const* const>(argvx));

  2150. 

  2151.         if (std::strcmp(method, "configure") == 0)

  2152.             return handleOscMessageConfigure(argc, argv, types);

  2153.         if (std::strcmp(method, "control") == 0)

  2154.             return handleOscMessageControl(argc, argv, types);

  2155.         if (std::strcmp(method, "program") == 0)

  2156.             return handleOscMessageProgram(argc, argv, types);

  2157.         if (std::strcmp(method, "midi") == 0)

  2158.             return handleOscMessageMIDI(argc, argv, types);

  2159.         if (std::strcmp(method, "update") == 0)

  2160.             return handleOscMessageUpdate(argc, argv, types, lo_message_get_source(msg));

  2161.         if (std::strcmp(method, "exiting") == 0)

  2162.             return handleOscMessageExiting();

  2163. 

  2164.         carla_stdout("CarlaPluginDSSI::handleOscMessage() - unknown method '%s'", method);

  2165.     }

  2166. 

  2167.     void handleOscMessageConfigure(const int argc, const lo_arg* const* const argv, const char* const types)

  2168.     {

  2169.         carla_debug("CarlaPluginDSSI::handleMsgConfigure()");

  2170.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "ss");

  2171. 

  2172.         const char* const key   = (const char*)&argv[0]->s;

  2173.         const char* const value = (const char*)&argv[1]->s;

  2174. 

  2175.         setCustomData(CUSTOM_DATA_TYPE_STRING, key, value, false);

  2176.     }

  2177. 

  2178.     void handleOscMessageControl(const int argc, const lo_arg* const* const argv, const char* const types)

  2179.     {

  2180.         carla_debug("CarlaPluginDSSI::handleMsgControl()");

  2181.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "if");

  2182. 

  2183.         const int32_t rindex = argv[0]->i;

  2184.         const float   value  = argv[1]->f;

  2185. 

  2186.         setParameterValueByRealIndex(rindex, value, false, true, true);

  2187.     }

  2188. 

  2189.     void handleOscMessageProgram(const int argc, const lo_arg* const* const argv, const char* const types)

  2190.     {

  2191.         carla_debug("CarlaPluginDSSI::handleMsgProgram()");

  2192.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "ii");

  2193. 

  2194.         const int32_t bank    = argv[0]->i;

  2195.         const int32_t program = argv[1]->i;

  2196. 

  2197.         CARLA_SAFE_ASSERT_RETURN(bank >= 0,);

  2198.         CARLA_SAFE_ASSERT_RETURN(program >= 0,);

  2199. 

  2200.         setMidiProgramById(static_cast<uint32_t>(bank), static_cast<uint32_t>(program), false, true, true);

  2201.     }

  2202. 

  2203.     void handleOscMessageMIDI(const int argc, const lo_arg* const* const argv, const char* const types)

  2204.     {

  2205.         carla_debug("CarlaPluginDSSI::handleMsgMidi()");

  2206.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(1, "m");

  2207. 

  2208.         if (getMidiInCount() == 0)

  2209.         {

  2210.             carla_stderr("CarlaPluginDSSI::handleMsgMidi() - received midi when plugin has no midi inputs");

  2211.             return;

  2212.         }

  2213. 

  2214.         const uint8_t* const data = argv[0]->m;

  2215.         uint8_t status  = data[1];

  2216.         uint8_t channel = status & 0x0F;

  2217. 

  2218.         // Fix bad note-off

  2219.         if (MIDI_IS_STATUS_NOTE_ON(status) && data[3] == 0)

  2220.             status = MIDI_STATUS_NOTE_OFF;

  2221. 

  2222.         if (MIDI_IS_STATUS_NOTE_OFF(status))

  2223.         {

  2224.             const uint8_t note = data[2];

  2225. 

  2226.             CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2227. 

  2228.             sendMidiSingleNote(channel, note, 0, false, true, true);

  2229.         }

  2230.         else if (MIDI_IS_STATUS_NOTE_ON(status))

  2231.         {

  2232.             const uint8_t note = data[2];

  2233.             const uint8_t velo = data[3];

  2234. 

  2235.             CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2236.             CARLA_SAFE_ASSERT_RETURN(velo < MAX_MIDI_VALUE,);

  2237. 

  2238.             sendMidiSingleNote(channel, note, velo, false, true, true);

  2239.         }

  2240.     }

  2241. 

  2242.     void handleOscMessageUpdate(const int argc, const lo_arg* const* const argv, const char* const types, const lo_address source)

  2243.     {

  2244.         carla_debug("CarlaPluginDSSI::handleMsgUpdate()");

  2245.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(1, "s");

  2246. 

  2247.         const char* const url = (const char*)&argv[0]->s;

  2248. 

  2249.         // FIXME - remove debug prints later

  2250.         carla_stdout("CarlaPluginDSSI::updateOscData(%p, \"%s\")", source, url);

  2251. 

  2252.         fOscData.clear();

  2253. 

  2254.         const int proto = lo_address_get_protocol(source);

  2255. 

  2256.         {

  2257.             const char* host = lo_address_get_hostname(source);

  2258.             const char* port = lo_address_get_port(source);

  2259.             fOscData.source = lo_address_new_with_proto(proto, host, port);

  2260. 

  2261.             carla_stdout("CarlaPlugin::updateOscData() - source: host \"%s\", port \"%s\"", host, port);

  2262.         }

  2263. 

  2264.         {

  2265.             char* host = lo_url_get_hostname(url);

  2266.             char* port = lo_url_get_port(url);

  2267.             fOscData.path   = carla_strdup_free(lo_url_get_path(url));

  2268.             fOscData.target = lo_address_new_with_proto(proto, host, port);

  2269.             carla_stdout("CarlaPlugin::updateOscData() - target: host \"%s\", port \"%s\", path \"%s\"", host, port, fOscData.path);

  2270. 

  2271.             std::free(host);

  2272.             std::free(port);

  2273.         }

  2274. 

  2275.         osc_send_sample_rate(fOscData, static_cast<float>(pData->engine->getSampleRate()));

  2276. 

  2277.         for (LinkedList<CustomData>::Itenerator it = pData->custom.begin(); it.valid(); it.next())

  2278.         {

  2279.             const CustomData& customData(it.getValue(kCustomDataFallback));

  2280.             CARLA_SAFE_ASSERT_CONTINUE(customData.isValid());

  2281. 

  2282.             if (std::strcmp(customData.type, CUSTOM_DATA_TYPE_STRING) == 0)

  2283.                 osc_send_configure(fOscData, customData.key, customData.value);

  2284.         }

  2285. 

  2286.         if (pData->prog.current >= 0)

  2287.             osc_send_program(fOscData, static_cast<uint32_t>(pData->prog.current));

  2288. 

  2289.         if (pData->midiprog.current >= 0)

  2290.         {

  2291.             const MidiProgramData& curMidiProg(pData->midiprog.getCurrent());

  2292. 

  2293.             if (getType() == PLUGIN_DSSI)

  2294.                 osc_send_program(fOscData, curMidiProg.bank, curMidiProg.program);

  2295.             else

  2296.                 osc_send_midi_program(fOscData, curMidiProg.bank, curMidiProg.program);

  2297.         }

  2298. 

  2299.         for (uint32_t i=0; i < pData->param.count; ++i)

  2300.             osc_send_control(fOscData, pData->param.data[i].rindex, getParameterValue(i));

  2301. 

  2302.         if ((pData->hints & PLUGIN_HAS_CUSTOM_UI) != 0 && pData->engine->getOptions().frontendWinId != 0)

  2303.             pData->transientTryCounter = 1;

  2304. 

  2305.         carla_stdout("CarlaPluginDSSI::updateOscData() - done");

  2306.     }

  2307. 

  2308.     void handleOscMessageExiting()

  2309.     {

  2310.         carla_debug("CarlaPluginDSSI::handleMsgExiting()");

  2311. 

  2312.         // hide UI

  2313.         showCustomUI(false);

  2314. 

  2315.         // tell frontend

  2316.         pData->engine->callback(ENGINE_CALLBACK_UI_STATE_CHANGED, pData->id, 0, 0, 0.0f, nullptr);

  2317.     }

  2318. 

  2319.     // -------------------------------------------------------------------

  2320.     // Post-poned UI Stuff

  2321. 

  2322.     void uiParameterChange(const uint32_t index, const float value) noexcept override

  2323.     {

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

  2325. 

  2326.         if (fOscData.target == nullptr)

  2327.             return;

  2328. 

  2329.         osc_send_control(fOscData, pData->param.data[index].rindex, value);

  2330.     }

  2331. 

  2332.     void uiMidiProgramChange(const uint32_t index) noexcept override

  2333.     {

  2334.         CARLA_SAFE_ASSERT_RETURN(index < pData->midiprog.count,);

  2335. 

  2336.         if (fOscData.target == nullptr)

  2337.             return;

  2338. 

  2339.         osc_send_program(fOscData, pData->midiprog.data[index].bank, pData->midiprog.data[index].program);

  2340.     }

  2341. 

  2342.     void uiNoteOn(const uint8_t channel, const uint8_t note, const uint8_t velo) noexcept override

  2343.     {

  2344.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2345.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2346.         CARLA_SAFE_ASSERT_RETURN(velo > 0 && velo < MAX_MIDI_VALUE,);

  2347. 

  2348.         if (fOscData.target == nullptr)

  2349.             return;

  2350. 

  2351. #if 0

  2352.         uint8_t midiData[4];

  2353.         midiData[0] = 0;

  2354.         midiData[1] = uint8_t(MIDI_STATUS_NOTE_ON | (channel & MIDI_CHANNEL_BIT));

  2355.         midiData[2] = note;

  2356.         midiData[3] = velo;

  2357. 

  2358.         osc_send_midi(fOscData, midiData);

  2359. #endif

  2360.     }

  2361. 

  2362.     void uiNoteOff(const uint8_t channel, const uint8_t note) noexcept override

  2363.     {

  2364.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2365.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2366. 

  2367.         if (fOscData.target == nullptr)

  2368.             return;

  2369. 

  2370. #if 0

  2371.         uint8_t midiData[4];

  2372.         midiData[0] = 0;

  2373.         midiData[1] = uint8_t(MIDI_STATUS_NOTE_ON | (channel & MIDI_CHANNEL_BIT));

  2374.         midiData[2] = note;

  2375.         midiData[3] = 0;

  2376. 

  2377.         osc_send_midi(fOscData, midiData);

  2378. #endif

  2379.     }

  2380. 

  2381.     // -------------------------------------------------------------------

  2382. 

  2383.     void* getNativeHandle() const noexcept override

  2384.     {

  2385.         return fHandle;

  2386.     }

  2387. 

  2388.     const void* getNativeDescriptor() const noexcept override

  2389.     {

  2390.         return fDssiDescriptor;

  2391.     }

  2392. 

  2393.     uintptr_t getUiBridgeProcessId() const noexcept override

  2394.     {

  2395.         return fThreadUI.getProcessPID();

  2396.     }

  2397. 

  2398.     const void* getExtraStuff() const noexcept override

  2399.     {

  2400.         return fUiFilename;

  2401.     }

  2402. 

  2403.     // -------------------------------------------------------------------

  2404. 

  2405.     bool init(const char* const filename, const char* const name, const char* const label)

  2406.     {

  2407.         CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr, false);

  2408. 

  2409.         // ---------------------------------------------------------------

  2410.         // first checks

  2411. 

  2412.         if (pData->client != nullptr)

  2413.         {

  2414.             pData->engine->setLastError("Plugin client is already registered");

  2415.             return false;

  2416.         }

  2417. 

  2418.         if (filename == nullptr || filename[0] == '\0')

  2419.         {

  2420.             pData->engine->setLastError("null filename");

  2421.             return false;

  2422.         }

  2423. 

  2424.         if (label == nullptr || label[0] == '\0')

  2425.         {

  2426.             pData->engine->setLastError("null label");

  2427.             return false;

  2428.         }

  2429. 

  2430.         // ---------------------------------------------------------------

  2431.         // open DLL

  2432. 

  2433.         if (! pData->libOpen(filename))

  2434.         {

  2435.             pData->engine->setLastError(pData->libError(filename));

  2436.             return false;

  2437.         }

  2438. 

  2439.         // ---------------------------------------------------------------

  2440.         // get DLL main entry

  2441. 

  2442.         const DSSI_Descriptor_Function descFn = pData->libSymbol<DSSI_Descriptor_Function>("dssi_descriptor");

  2443. 

  2444.         if (descFn == nullptr)

  2445.         {

  2446.             pData->engine->setLastError("Could not find the DSSI Descriptor in the plugin library");

  2447.             return false;

  2448.         }

  2449. 

  2450.         // ---------------------------------------------------------------

  2451.         // get descriptor that matches label

  2452. 

  2453.         ulong i = 0;

  2454. 

  2455.         for (;;)

  2456.         {

  2457.             try {

  2458.                 fDssiDescriptor = descFn(i++);

  2459.             }

  2460.             catch(...) {

  2461.                 carla_stderr2("Caught exception when trying to get LADSPA descriptor");

  2462.                 fDescriptor     = nullptr;

  2463.                 fDssiDescriptor = nullptr;

  2464.                 break;

  2465.             }

  2466. 

  2467.             if (fDssiDescriptor == nullptr)

  2468.                 break;

  2469. 

  2470.             fDescriptor = fDssiDescriptor->LADSPA_Plugin;

  2471. 

  2472.             if (fDescriptor == nullptr)

  2473.             {

  2474.                 carla_stderr2("WARNING - Missing LADSPA interface, will not use this plugin");

  2475.                 fDssiDescriptor = nullptr;

  2476.                 break;

  2477.             }

  2478.             if (fDescriptor->Label == nullptr || fDescriptor->Label[0] == '\0')

  2479.             {

  2480.                 carla_stderr2("WARNING - Got an invalid label, will not use this plugin");

  2481.                 fDescriptor     = nullptr;

  2482.                 fDssiDescriptor = nullptr;

  2483.                 break;

  2484.             }

  2485.             if (fDescriptor->run == nullptr)

  2486.             {

  2487.                 carla_stderr2("WARNING - Plugin has no run, cannot use it");

  2488.                 fDescriptor     = nullptr;

  2489.                 fDssiDescriptor = nullptr;

  2490.                 break;

  2491.             }

  2492. 

  2493.             if (std::strcmp(fDescriptor->Label, label) == 0)

  2494.                 break;

  2495.         }

  2496. 

  2497.         if (fDescriptor == nullptr || fDssiDescriptor == nullptr)

  2498.         {

  2499.             pData->engine->setLastError("Could not find the requested plugin label in the plugin library");

  2500.             return false;

  2501.         }

  2502. 

  2503.         // ---------------------------------------------------------------

  2504.         // check if uses global instance

  2505. 

  2506.         if (fDssiDescriptor->run_synth == nullptr && fDssiDescriptor->run_multiple_synths != nullptr)

  2507.         {

  2508.             if (! addUniqueMultiSynth(fDescriptor->Label))

  2509.             {

  2510.                 pData->engine->setLastError("This plugin uses a global instance and can't be used more than once safely");

  2511.                 return false;

  2512.             }

  2513.         }

  2514. 

  2515.         // ---------------------------------------------------------------

  2516.         // get info

  2517. 

  2518.         if (name != nullptr && name[0] != '\0')

  2519.             pData->name = pData->engine->getUniquePluginName(name);

  2520.         else if (fDescriptor->Name != nullptr && fDescriptor->Name[0] != '\0')

  2521.             pData->name = pData->engine->getUniquePluginName(fDescriptor->Name);

  2522.         else

  2523.             pData->name = pData->engine->getUniquePluginName(fDescriptor->Label);

  2524. 

  2525.         pData->filename = carla_strdup(filename);

  2526. 

  2527.         // ---------------------------------------------------------------

  2528.         // register client

  2529. 

  2530.         pData->client = pData->engine->addClient(this);

  2531. 

  2532.         if (pData->client == nullptr || ! pData->client->isOk())

  2533.         {

  2534.             pData->engine->setLastError("Failed to register plugin client");

  2535.             return false;

  2536.         }

  2537. 

  2538.         // ---------------------------------------------------------------

  2539.         // initialize plugin

  2540. 

  2541.         try {

  2542.             fHandle = fDescriptor->instantiate(fDescriptor, (ulong)pData->engine->getSampleRate());

  2543.         } CARLA_SAFE_EXCEPTION("DSSI instantiate");

  2544. 

  2545.         if (fHandle == nullptr)

  2546.         {

  2547.             pData->engine->setLastError("Plugin failed to initialize");

  2548.             return false;

  2549.         }

  2550. 

  2551.         // ---------------------------------------------------------------

  2552.         // check for custom data extension

  2553. 

  2554.         if (fDssiDescriptor->configure != nullptr)

  2555.         {

  2556.             if (char* const error = fDssiDescriptor->configure(fHandle, DSSI_CUSTOMDATA_EXTENSION_KEY, ""))

  2557.             {

  2558.                 if (std::strcmp(error, "true") == 0 && fDssiDescriptor->get_custom_data != nullptr && fDssiDescriptor->set_custom_data != nullptr)

  2559.                     fUsesCustomData = true;

  2560. 

  2561.                 std::free(error);

  2562.             }

  2563.         }

  2564. 

  2565.         // ---------------------------------------------------------------

  2566.         // gui stuff

  2567. 

  2568.         if (const char* const guiFilename = find_dssi_ui(filename, fDescriptor->Label))

  2569.         {

  2570.             fThreadUI.setData(guiFilename, fDescriptor->Label);

  2571.             fUiFilename = guiFilename;

  2572.         }

  2573. 

  2574.         // ---------------------------------------------------------------

  2575.         // set default options

  2576. 

  2577. #ifdef __USE_GNU

  2578.         const bool isDssiVst(strcasestr(pData->filename, "dssi-vst") != nullptr);

  2579. #else

  2580.         const bool isDssiVst(std::strstr(pData->filename, "dssi-vst") != nullptr);

  2581. #endif

  2582. 

  2583.         pData->options = 0x0;

  2584. 

  2585.         if (fLatencyIndex >= 0 || isDssiVst)

  2586.             pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;

  2587. 

  2588.         if (pData->engine->getOptions().forceStereo)

  2589.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  2590. 

  2591.         if (fUsesCustomData)

  2592.             pData->options |= PLUGIN_OPTION_USE_CHUNKS;

  2593. 

  2594.         if (fDssiDescriptor->get_program != nullptr && fDssiDescriptor->select_program != nullptr)

  2595.             pData->options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  2596. 

  2597.         if (fDssiDescriptor->run_synth != nullptr || fDssiDescriptor->run_multiple_synths != nullptr)

  2598.         {

  2599.             pData->options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  2600.             pData->options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  2601.             pData->options |= PLUGIN_OPTION_SEND_PITCHBEND;

  2602.             pData->options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  2603. 

  2604.             if (fDssiDescriptor->run_synth == nullptr)

  2605.                 carla_stderr("WARNING: Plugin can ONLY use run_multiple_synths!");

  2606.         }

  2607. 

  2608.         return true;

  2609.     }

  2610. 

  2611.     // -------------------------------------------------------------------

  2612. 

  2613. private:

  2614.     LADSPA_Handle fHandle;

  2615.     LADSPA_Handle fHandle2;

  2616.     const LADSPA_Descriptor* fDescriptor;

  2617.     const DSSI_Descriptor*   fDssiDescriptor;

  2618. 

  2619.     bool fUsesCustomData;

  2620.     const char* fUiFilename;

  2621. 

  2622.     float** fAudioInBuffers;

  2623.     float** fAudioOutBuffers;

  2624.     float*  fParamBuffers;

  2625. 

  2626.     bool    fLatencyChanged;

  2627.     int32_t fLatencyIndex; // -1 if invalid

  2628. 

  2629.     snd_seq_event_t fMidiEvents[kPluginMaxMidiEvents];

  2630. 

  2631.     CarlaOscData      fOscData;

  2632.     CarlaThreadDSSIUI fThreadUI;

  2633. 

  2634.     // -------------------------------------------------------------------

  2635. 

  2636.     uint32_t getSafePortCount() const noexcept

  2637.     {

  2638.         if (fDescriptor->PortCount == 0)

  2639.             return 0;

  2640. 

  2641.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortDescriptors != nullptr, 0);

  2642.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortRangeHints != nullptr, 0);

  2643.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortNames != nullptr, 0);

  2644. 

  2645.         return static_cast<uint32_t>(fDescriptor->PortCount);

  2646.     }

  2647. 

  2648.     bool getSeparatedParameterNameOrUnit(const char* const paramName, char* const strBuf, const bool wantName) const noexcept

  2649.     {

  2650.         if (_getSeparatedParameterNameOrUnitImpl(paramName, strBuf, wantName, true))

  2651.             return true;

  2652.         if (_getSeparatedParameterNameOrUnitImpl(paramName, strBuf, wantName, false))

  2653.             return true;

  2654.         return false;

  2655.     }

  2656. 

  2657.     bool _getSeparatedParameterNameOrUnitImpl(const char* const paramName, char* const strBuf, const bool wantName, const bool useBracket) const noexcept

  2658.     {

  2659.         const char* const sepBracketStart(std::strstr(paramName, useBracket ? " [" : " ("));

  2660. 

  2661.         if (sepBracketStart == nullptr)

  2662.             return false;

  2663. 

  2664.         const char* const sepBracketEnd(std::strstr(sepBracketStart, useBracket ? "]" : ")"));

  2665. 

  2666.         if (sepBracketEnd == nullptr)

  2667.             return false;

  2668. 

  2669.         const size_t unitSize(static_cast<size_t>(sepBracketEnd-sepBracketStart-2));

  2670. 

  2671.         if (unitSize > 7) // very unlikely to have such big unit

  2672.             return false;

  2673. 

  2674.         const size_t sepIndex(std::strlen(paramName)-unitSize-3);

  2675. 

  2676.         // just in case

  2677.         if (sepIndex > STR_MAX)

  2678.             return false;

  2679. 

  2680.         if (wantName)

  2681.         {

  2682.             std::strncpy(strBuf, paramName, sepIndex);

  2683.             strBuf[sepIndex] = '\0';

  2684.         }

  2685.         else

  2686.         {

  2687.             std::strncpy(strBuf, paramName+(sepIndex+2), unitSize);

  2688.             strBuf[unitSize] = '\0';

  2689.         }

  2690. 

  2691.         return true;

  2692.     }

  2693. 

  2694.     // -------------------------------------------------------------------

  2695. 

  2696.     static LinkedList<const char*> sMultiSynthList;

  2697. 

  2698.     static bool addUniqueMultiSynth(const char* const label) noexcept

  2699.     {

  2700.         CARLA_SAFE_ASSERT_RETURN(label != nullptr && label[0] != '\0', false);

  2701. 

  2702.         const char* dlabel = nullptr;

  2703. 

  2704.         try {

  2705.             dlabel = carla_strdup(label);

  2706.         } catch(...) { return false; }

  2707. 

  2708.         for (LinkedList<const char*>::Itenerator it = sMultiSynthList.begin(); it.valid(); it.next())

  2709.         {

  2710.             const char* const itLabel(it.getValue());

  2711. 

  2712.             if (std::strcmp(dlabel, itLabel) == 0)

  2713.             {

  2714.                 delete[] dlabel;

  2715.                 return false;

  2716.             }

  2717.         }

  2718. 

  2719.         return sMultiSynthList.append(dlabel);

  2720.     }

  2721. 

  2722.     static void removeUniqueMultiSynth(const char* const label) noexcept

  2723.     {

  2724.         CARLA_SAFE_ASSERT_RETURN(label != nullptr && label[0] != '\0',);

  2725. 

  2726.         for (LinkedList<const char*>::Itenerator it = sMultiSynthList.begin(); it.valid(); it.next())

  2727.         {

  2728.             const char* const itLabel(it.getValue());

  2729. 

  2730.             if (std::strcmp(label, itLabel) == 0)

  2731.             {

  2732.                 sMultiSynthList.remove(it);

  2733.                 delete[] itLabel;

  2734.                 break;

  2735.             }

  2736.         }

  2737.     }

  2738. 

  2739.     // -------------------------------------------------------------------

  2740. 

  2741.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaPluginDSSI)

  2742. };

  2743. 

  2744. LinkedList<const char*> CarlaPluginDSSI::sMultiSynthList;

  2745. 

  2746. // -------------------------------------------------------------------------------------------------------------------

  2747. 

  2748. CarlaPlugin* CarlaPlugin::newDSSI(const Initializer& init)

  2749. {

  2750.     carla_debug("CarlaPlugin::newDSSI({%p, \"%s\", \"%s\", \"%s\", " P_INT64 "})", init.engine, init.filename, init.name, init.label, init.uniqueId);

  2751. 

  2752.     CarlaPluginDSSI* const plugin(new CarlaPluginDSSI(init.engine, init.id));

  2753. 

  2754.     if (! plugin->init(init.filename, init.name, init.label))

  2755.     {

  2756.         delete plugin;

  2757.         return nullptr;

  2758.     }

  2759. 

  2760.     plugin->reload();

  2761. 

  2762.     bool canRun = true;

  2763. 

  2764.     if (init.engine->getProccessMode() == ENGINE_PROCESS_MODE_CONTINUOUS_RACK)

  2765.     {

  2766.         if (! plugin->canRunInRack())

  2767.         {

  2768.             init.engine->setLastError("Carla's rack mode can only work with Mono or Stereo DSSI plugins, sorry!");

  2769.             canRun = false;

  2770.         }

  2771.         else if (plugin->getCVInCount() > 0 || plugin->getCVInCount() > 0)

  2772.         {

  2773.             init.engine->setLastError("Carla's rack mode cannot work with plugins that have CV ports, sorry!");

  2774.             canRun = false;

  2775.         }

  2776.     }

  2777.     else if (init.engine->getProccessMode() == ENGINE_PROCESS_MODE_PATCHBAY && (plugin->getCVInCount() > 0 || plugin->getCVInCount() > 0))

  2778.     {

  2779.         init.engine->setLastError("CV ports in patchbay mode is still TODO");

  2780.         canRun = false;

  2781.     }

  2782. 

  2783.     if (! canRun)

  2784.     {

  2785.         delete plugin;

  2786.         return nullptr;

  2787.     }

  2788. 

  2789.     return plugin;

  2790. }

  2791. 

  2792. // -------------------------------------------------------------------------------------------------------------------

  2793. 

  2794. CARLA_BACKEND_END_NAMESPACE