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Carla
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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.         showCustomUI(false);

  517.     }

  518. 

  519.     // -------------------------------------------------------------------

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

  521. 

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

  523.     {

  524.         CARLA_SAFE_ASSERT_RETURN(fParamBuffers != nullptr,);

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

  526. 

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

  528.         fParamBuffers[parameterId] = fixedValue;

  529. 

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

  531.     }

  532. 

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

  534.     {

  535.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

  536.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

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

  539.         CARLA_SAFE_ASSERT_RETURN(value != nullptr,);

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

  541. 

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

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

  544. 

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

  546.         {

  547.             try {

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

  549.             } catch(...) {}

  550. 

  551.             if (fHandle2 != nullptr)

  552.             {

  553.                 try {

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

  555.                 } catch(...) {}

  556.             }

  557.         }

  558. 

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

  560.             osc_send_configure(fOscData, key, value);

  561. 

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

  563.         {

  564.             const ScopedSingleProcessLocker spl(this, true);

  565.             reloadPrograms(false);

  566.         }

  567. 

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

  569.     }

  570. 

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

  572.     {

  573.         CARLA_SAFE_ASSERT_RETURN(fUsesCustomData,);

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

  575.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

  577.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  578.         CARLA_SAFE_ASSERT_RETURN(fHandle2 == nullptr,);

  579.         CARLA_SAFE_ASSERT_RETURN(data != nullptr,);

  580.         CARLA_SAFE_ASSERT_RETURN(dataSize > 0,);

  581. 

  582.         {

  583.             const ScopedSingleProcessLocker spl(this, true);

  584. 

  585.             try {

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

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

  588.         }

  589. 

  590. #ifdef BUILD_BRIDGE

  591.         const bool sendOsc(false);

  592. #else

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

  594. #endif

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

  596.     }

  597. 

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

  599.     {

  600.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

  602.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  604. 

  605.         if (index >= 0)

  606.         {

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

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

  609. 

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

  611. 

  612.             try {

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

  614.             } catch(...) {}

  615. 

  616.             if (fHandle2 != nullptr)

  617.             {

  618.                 try {

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

  620.                 } catch(...) {}

  621.             }

  622.         }

  623. 

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

  625.     }

  626. 

  627.     // -------------------------------------------------------------------

  628.     // Set ui stuff

  629. 

  630.     void showCustomUI(const bool yesNo) override

  631.     {

  632.         if (yesNo)

  633.         {

  634.             fOscData.clear();

  635.             fThreadUI.startThread();

  636.         }

  637.         else

  638.         {

  639.             pData->transientTryCounter = 0;

  640. 

  641.             if (fOscData.target != nullptr)

  642.             {

  643.                 osc_send_hide(fOscData);

  644.                 osc_send_quit(fOscData);

  645.                 fOscData.clear();

  646.             }

  647. 

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

  649.         }

  650.     }

  651. 

  652.     void idle() override

  653.     {

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

  655.         {

  656.             fLatencyChanged = false;

  657. 

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

  659. 

  660.             if (latency >= 0)

  661.             {

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

  663. 

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

  665.                 {

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

  667. 

  668.                     const ScopedSingleProcessLocker sspl(this, true);

  669. 

  670.                     pData->latency = ulatency;

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

  672. #ifndef BUILD_BRIDGE

  673.                     pData->recreateLatencyBuffers();

  674. #endif

  675.                 }

  676.             }

  677.             else

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

  679.         }

  680. 

  681.         CarlaPlugin::idle();

  682.     }

  683. 

  684.     // -------------------------------------------------------------------

  685.     // Plugin state

  686. 

  687.     void reload() override

  688.     {

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

  690.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  691.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

  692.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  694. 

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

  696. 

  697.         // Safely disable plugin for reload

  698.         const ScopedDisabler sd(this);

  699. 

  700.         if (pData->active)

  701.             deactivate();

  702. 

  703.         clearBuffers();

  704. 

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

  706.         const uint32_t portCount(getSafePortCount());

  707. 

  708.         uint32_t aIns, aOuts, mIns, params;

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

  710. 

  711.         bool forcedStereoIn, forcedStereoOut;

  712.         forcedStereoIn = forcedStereoOut = false;

  713. 

  714.         bool needsCtrlIn, needsCtrlOut;

  715.         needsCtrlIn = needsCtrlOut = false;

  716. 

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

  718.         {

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

  720. 

  721.             if (LADSPA_IS_PORT_AUDIO(portType))

  722.             {

  723.                 if (LADSPA_IS_PORT_INPUT(portType))

  724.                     aIns += 1;

  725.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  726.                     aOuts += 1;

  727.             }

  728.             else if (LADSPA_IS_PORT_CONTROL(portType))

  729.                 params += 1;

  730.         }

  731. 

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

  733.         {

  734.             if (fHandle2 == nullptr)

  735.             {

  736.                 try {

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

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

  739.             }

  740. 

  741.             if (fHandle2 != nullptr)

  742.             {

  743.                 if (aIns == 1)

  744.                 {

  745.                     aIns = 2;

  746.                     forcedStereoIn = true;

  747.                 }

  748. 

  749.                 if (aOuts == 1)

  750.                 {

  751.                     aOuts = 2;

  752.                     forcedStereoOut = true;

  753.                 }

  754.             }

  755.         }

  756. 

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

  758.         {

  759.             mIns = 1;

  760.             needsCtrlIn = true;

  761.         }

  762. 

  763.         if (aIns > 0)

  764.         {

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

  766.             fAudioInBuffers = new float*[aIns];

  767. 

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

  769.                 fAudioInBuffers[i] = nullptr;

  770.         }

  771. 

  772.         if (aOuts > 0)

  773.         {

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

  775.             fAudioOutBuffers = new float*[aOuts];

  776.             needsCtrlIn = true;

  777. 

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

  779.                 fAudioOutBuffers[i] = nullptr;

  780.         }

  781. 

  782.         if (params > 0)

  783.         {

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

  785. 

  786.             fParamBuffers = new float[params];

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

  788.         }

  789. 

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

  791.         CarlaString portName;

  792. 

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

  794.         {

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

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

  797. 

  798.             if (LADSPA_IS_PORT_AUDIO(portType))

  799.             {

  800.                 portName.clear();

  801. 

  802.                 if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  803.                 {

  804.                     portName  = pData->name;

  805.                     portName += ":";

  806.                 }

  807. 

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

  809.                 {

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

  811.                 }

  812.                 else

  813.                 {

  814.                     if (LADSPA_IS_PORT_INPUT(portType))

  815.                     {

  816.                         if (aIns > 1)

  817.                         {

  818.                             portName += "audio-in_";

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

  820.                         }

  821.                         else

  822.                             portName += "audio-in";

  823.                     }

  824.                     else

  825.                     {

  826.                         if (aOuts > 1)

  827.                         {

  828.                             portName += "audio-out_";

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

  830.                         }

  831.                         else

  832.                             portName += "audio-out";

  833.                     }

  834.                 }

  835. 

  836.                 portName.truncate(portNameSize);

  837. 

  838.                 if (LADSPA_IS_PORT_INPUT(portType))

  839.                 {

  840.                     const uint32_t j = iAudioIn++;

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

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

  843. 

  844.                     if (forcedStereoIn)

  845.                     {

  846.                         portName += "_2";

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

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

  849.                     }

  850.                 }

  851.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  852.                 {

  853.                     const uint32_t j = iAudioOut++;

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

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

  856. 

  857.                     if (forcedStereoOut)

  858.                     {

  859.                         portName += "_2";

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

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

  862.                     }

  863.                 }

  864.                 else

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

  866.             }

  867.             else if (LADSPA_IS_PORT_CONTROL(portType))

  868.             {

  869.                 const uint32_t j = iCtrl++;

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

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

  872. 

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

  874. 

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

  876. 

  877.                 // min value

  878.                 if (LADSPA_IS_HINT_BOUNDED_BELOW(portRangeHints.HintDescriptor))

  879.                     min = portRangeHints.LowerBound;

  880.                 else

  881.                     min = 0.0f;

  882. 

  883.                 // max value

  884.                 if (LADSPA_IS_HINT_BOUNDED_ABOVE(portRangeHints.HintDescriptor))

  885.                     max = portRangeHints.UpperBound;

  886.                 else

  887.                     max = 1.0f;

  888. 

  889.                 if (min > max)

  890.                 {

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

  892.                     min = max - 0.1f;

  893.                 }

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

  895.                 {

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

  897.                     max = min + 0.1f;

  898.                 }

  899. 

  900.                 // default value

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

  902. 

  903.                 if (def < min)

  904.                     def = min;

  905.                 else if (def > max)

  906.                     def = max;

  907. 

  908.                 if (LADSPA_IS_HINT_SAMPLE_RATE(portRangeHints.HintDescriptor))

  909.                 {

  910.                     min *= sampleRate;

  911.                     max *= sampleRate;

  912.                     def *= sampleRate;

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

  914.                 }

  915. 

  916.                 if (LADSPA_IS_HINT_TOGGLED(portRangeHints.HintDescriptor))

  917.                 {

  918.                     step = max - min;

  919.                     stepSmall = step;

  920.                     stepLarge = step;

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

  922.                 }

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

  924.                 {

  925.                     step = 1.0f;

  926.                     stepSmall = 1.0f;

  927.                     stepLarge = 10.0f;

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

  929.                 }

  930.                 else

  931.                 {

  932.                     const float range = max - min;

  933.                     step = range/100.0f;

  934.                     stepSmall = range/1000.0f;

  935.                     stepLarge = range/10.0f;

  936.                 }

  937. 

  938.                 if (LADSPA_IS_PORT_INPUT(portType))

  939.                 {

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

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

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

  943.                     needsCtrlIn = true;

  944. 

  945.                     // MIDI CC value

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

  947.                     {

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

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

  950.                         {

  951.                             int16_t cc = DSSI_CC_NUMBER(controller);

  952.                             if (! MIDI_IS_CONTROL_BANK_SELECT(cc))

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

  954.                         }

  955.                     }

  956.                 }

  957.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  958.                 {

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

  960. 

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

  962.                     {

  963.                         min = 0.0f;

  964.                         max = sampleRate;

  965.                         def = 0.0f;

  966.                         step = 1.0f;

  967.                         stepSmall = 1.0f;

  968.                         stepLarge = 1.0f;

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

  970.                         CARLA_SAFE_ASSERT(fLatencyIndex == -1);

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

  972.                     }

  973.                     else

  974.                     {

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

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

  977.                         needsCtrlOut = true;

  978.                     }

  979.                 }

  980.                 else

  981.                 {

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

  983.                 }

  984. 

  985.                 // extra parameter hints

  986.                 if (LADSPA_IS_HINT_LOGARITHMIC(portRangeHints.HintDescriptor))

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

  988. 

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

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

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

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

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

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

  995. 

  996.                 // Start parameters in their default values

  997.                 fParamBuffers[j] = def;

  998. 

  999.                 try {

  1000.                     fDescriptor->connect_port(fHandle, i, &fParamBuffers[j]);

  1001.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port parameter");

  1002. 

  1003.                 if (fHandle2 != nullptr)

  1004.                 {

  1005.                     try {

  1006.                         fDescriptor->connect_port(fHandle2, i, &fParamBuffers[j]);

  1007.                     } CARLA_SAFE_EXCEPTION("DSSI connect_port parameter #2");

  1008.                 }

  1009.             }

  1010.             else

  1011.             {

  1012.                 // Not Audio or Control

  1013.                 carla_stderr2("ERROR - Got a broken Port (neither Audio or Control)");

  1014. 

  1015.                 try {

  1016.                     fDescriptor->connect_port(fHandle, i, nullptr);

  1017.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port null");

  1018. 

  1019.                 if (fHandle2 != nullptr)

  1020.                 {

  1021.                     try {

  1022.                         fDescriptor->connect_port(fHandle2, i, nullptr);

  1023.                     } CARLA_SAFE_EXCEPTION("DSSI connect_port null #2");

  1024.                 }

  1025.             }

  1026.         }

  1027. 

  1028.         if (needsCtrlIn)

  1029.         {

  1030.             portName.clear();

  1031. 

  1032.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1033.             {

  1034.                 portName  = pData->name;

  1035.                 portName += ":";

  1036.             }

  1037. 

  1038.             portName += "events-in";

  1039.             portName.truncate(portNameSize);

  1040. 

  1041.             pData->event.portIn = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, true);

  1042.         }

  1043. 

  1044.         if (needsCtrlOut)

  1045.         {

  1046.             portName.clear();

  1047. 

  1048.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1049.             {

  1050.                 portName  = pData->name;

  1051.                 portName += ":";

  1052.             }

  1053. 

  1054.             portName += "events-out";

  1055.             portName.truncate(portNameSize);

  1056. 

  1057.             pData->event.portOut = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, false);

  1058.         }

  1059. 

  1060.         if (forcedStereoIn || forcedStereoOut)

  1061.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  1062.         else

  1063.             pData->options &= ~PLUGIN_OPTION_FORCE_STEREO;

  1064. 

  1065.         // plugin hints

  1066.         pData->hints = 0x0;

  1067. 

  1068.         if (LADSPA_IS_HARD_RT_CAPABLE(fDescriptor->Properties))

  1069.             pData->hints |= PLUGIN_IS_RTSAFE;

  1070. 

  1071.         if (fUiFilename != nullptr)

  1072.             pData->hints |= PLUGIN_HAS_CUSTOM_UI;

  1073. 

  1074. #ifndef BUILD_BRIDGE

  1075.         if (aOuts > 0 && (aIns == aOuts || aIns == 1))

  1076.             pData->hints |= PLUGIN_CAN_DRYWET;

  1077. 

  1078.         if (aOuts > 0)

  1079.             pData->hints |= PLUGIN_CAN_VOLUME;

  1080. 

  1081.         if (aOuts >= 2 && aOuts % 2 == 0)

  1082.             pData->hints |= PLUGIN_CAN_BALANCE;

  1083. #endif

  1084. 

  1085.         // extra plugin hints

  1086.         pData->extraHints = 0x0;

  1087. 

  1088.         if (mIns > 0)

  1089.             pData->extraHints |= PLUGIN_EXTRA_HINT_HAS_MIDI_IN;

  1090. 

  1091.         if (aIns <= 2 && aOuts <= 2 && (aIns == aOuts || aIns == 0 || aOuts == 0))

  1092.             pData->extraHints |= PLUGIN_EXTRA_HINT_CAN_RUN_RACK;

  1093. 

  1094.         // check latency

  1095.         if (fLatencyIndex >= 0)

  1096.         {

  1097.             // we need to pre-run the plugin so it can update its latency control-port

  1098. 

  1099.             float tmpIn [(aIns > 0)  ? aIns  : 1][2];

  1100.             float tmpOut[(aOuts > 0) ? aOuts : 1][2];

  1101. 

  1102.             for (uint32_t j=0; j < aIns; ++j)

  1103.             {

  1104.                 tmpIn[j][0] = 0.0f;

  1105.                 tmpIn[j][1] = 0.0f;

  1106. 

  1107.                 try {

  1108.                     fDescriptor->connect_port(fHandle, pData->audioIn.ports[j].rindex, tmpIn[j]);

  1109.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port latency input");

  1110.             }

  1111. 

  1112.             for (uint32_t j=0; j < aOuts; ++j)

  1113.             {

  1114.                 tmpOut[j][0] = 0.0f;

  1115.                 tmpOut[j][1] = 0.0f;

  1116. 

  1117.                 try {

  1118.                     fDescriptor->connect_port(fHandle, pData->audioOut.ports[j].rindex, tmpOut[j]);

  1119.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port latency output");

  1120.             }

  1121. 

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

  1123.             {

  1124.                 try {

  1125.                     fDescriptor->activate(fHandle);

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

  1127.             }

  1128. 

  1129.             try {

  1130.                 fDescriptor->run(fHandle, 2);

  1131.             } CARLA_SAFE_EXCEPTION("DSSI latency run");

  1132. 

  1133.             if (fDescriptor->deactivate != nullptr)

  1134.             {

  1135.                 try {

  1136.                     fDescriptor->deactivate(fHandle);

  1137.                 } CARLA_SAFE_EXCEPTION("DSSI latency deactivate");

  1138.             }

  1139. 

  1140.             const int32_t latency(static_cast<int32_t>(fParamBuffers[fLatencyIndex]));

  1141. 

  1142.             if (latency >= 0)

  1143.             {

  1144.                 const uint32_t ulatency(static_cast<uint32_t>(latency));

  1145. 

  1146.                 if (pData->latency != ulatency)

  1147.                 {

  1148.                     carla_stdout("latency = %i", latency);

  1149. 

  1150.                     pData->latency = ulatency;

  1151.                     pData->client->setLatency(ulatency);

  1152. #ifndef BUILD_BRIDGE

  1153.                     pData->recreateLatencyBuffers();

  1154. #endif

  1155.                 }

  1156.             }

  1157.             else

  1158.                 carla_safe_assert_int("latency >= 0", __FILE__, __LINE__, latency);

  1159. 

  1160.             fLatencyChanged = false;

  1161.         }

  1162. 

  1163.         bufferSizeChanged(pData->engine->getBufferSize());

  1164.         reloadPrograms(true);

  1165. 

  1166.         if (pData->active)

  1167.             activate();

  1168. 

  1169.         carla_debug("CarlaPluginDSSI::reload() - end");

  1170.     }

  1171. 

  1172.     void reloadPrograms(const bool doInit) override

  1173.     {

  1174.         carla_debug("CarlaPluginDSSI::reloadPrograms(%s)", bool2str(doInit));

  1175.         const uint32_t oldCount = pData->midiprog.count;

  1176.         const int32_t  current  = pData->midiprog.current;

  1177. 

  1178.         // Delete old programs

  1179.         pData->midiprog.clear();

  1180. 

  1181.         // Query new programs

  1182.         uint32_t newCount = 0;

  1183.         if (fDssiDescriptor->get_program != nullptr && fDssiDescriptor->select_program != nullptr)

  1184.         {

  1185.             for (; fDssiDescriptor->get_program(fHandle, newCount) != nullptr;)

  1186.                 ++newCount;

  1187.         }

  1188. 

  1189.         if (newCount > 0)

  1190.         {

  1191.             pData->midiprog.createNew(newCount);

  1192. 

  1193.             // Update data

  1194.             for (uint32_t i=0; i < newCount; ++i)

  1195.             {

  1196.                 const DSSI_Program_Descriptor* const pdesc(fDssiDescriptor->get_program(fHandle, i));

  1197.                 CARLA_SAFE_ASSERT_CONTINUE(pdesc != nullptr);

  1198.                 CARLA_SAFE_ASSERT(pdesc->Name != nullptr);

  1199. 

  1200.                 pData->midiprog.data[i].bank    = static_cast<uint32_t>(pdesc->Bank);

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

  1202.                 pData->midiprog.data[i].name    = carla_strdup(pdesc->Name);

  1203.             }

  1204.         }

  1205. 

  1206. #ifndef BUILD_BRIDGE

  1207.         // Update OSC Names

  1208.         if (pData->engine->isOscControlRegistered())

  1209.         {

  1210.             pData->engine->oscSend_control_set_midi_program_count(pData->id, newCount);

  1211. 

  1212.             for (uint32_t i=0; i < newCount; ++i)

  1213.                 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);

  1214.         }

  1215. #endif

  1216. 

  1217.         if (doInit)

  1218.         {

  1219.             if (newCount > 0)

  1220.                 setMidiProgram(0, false, false, false);

  1221.         }

  1222.         else

  1223.         {

  1224.             // Check if current program is invalid

  1225.             bool programChanged = false;

  1226. 

  1227.             if (newCount == oldCount+1)

  1228.             {

  1229.                 // one midi program added, probably created by user

  1230.                 pData->midiprog.current = static_cast<int32_t>(oldCount);

  1231.                 programChanged = true;

  1232.             }

  1233.             else if (current < 0 && newCount > 0)

  1234.             {

  1235.                 // programs exist now, but not before

  1236.                 pData->midiprog.current = 0;

  1237.                 programChanged = true;

  1238.             }

  1239.             else if (current >= 0 && newCount == 0)

  1240.             {

  1241.                 // programs existed before, but not anymore

  1242.                 pData->midiprog.current = -1;

  1243.                 programChanged = true;

  1244.             }

  1245.             else if (current >= static_cast<int32_t>(newCount))

  1246.             {

  1247.                 // current midi program > count

  1248.                 pData->midiprog.current = 0;

  1249.                 programChanged = true;

  1250.             }

  1251.             else

  1252.             {

  1253.                 // no change

  1254.                 pData->midiprog.current = current;

  1255.             }

  1256. 

  1257.             if (programChanged)

  1258.                 setMidiProgram(pData->midiprog.current, true, true, true);

  1259. 

  1260.             pData->engine->callback(ENGINE_CALLBACK_RELOAD_PROGRAMS, pData->id, 0, 0, 0.0f, nullptr);

  1261.         }

  1262.     }

  1263. 

  1264.     // -------------------------------------------------------------------

  1265.     // Plugin processing

  1266. 

  1267.     void activate() noexcept override

  1268.     {

  1269.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1270.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  1271. 

  1272.         if (fDescriptor->activate != nullptr)

  1273.         {

  1274.             try {

  1275.                 fDescriptor->activate(fHandle);

  1276.             } CARLA_SAFE_EXCEPTION("DSSI activate");

  1277. 

  1278.             if (fHandle2 != nullptr)

  1279.             {

  1280.                 try {

  1281.                     fDescriptor->activate(fHandle2);

  1282.                 } CARLA_SAFE_EXCEPTION("DSSI activate #2");

  1283.             }

  1284.         }

  1285.     }

  1286. 

  1287.     void deactivate() noexcept override

  1288.     {

  1289.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1290.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  1291. 

  1292.         if (fDescriptor->deactivate != nullptr)

  1293.         {

  1294.             try {

  1295.                 fDescriptor->deactivate(fHandle);

  1296.             } CARLA_SAFE_EXCEPTION("DSSI deactivate");

  1297. 

  1298.             if (fHandle2 != nullptr)

  1299.             {

  1300.                 try {

  1301.                     fDescriptor->deactivate(fHandle2);

  1302.                 } CARLA_SAFE_EXCEPTION("DSSI deactivate #2");

  1303.             }

  1304.         }

  1305.     }

  1306. 

  1307.     void process(const float** const audioIn, float** const audioOut, const float** const cvIn, float** const cvOut, const uint32_t frames) override

  1308.     {

  1309.         // --------------------------------------------------------------------------------------------------------

  1310.         // Check if active

  1311. 

  1312.         if (! pData->active)

  1313.         {

  1314.             // disable any output sound

  1315.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1316.                 FloatVectorOperations::clear(audioOut[i], static_cast<int>(frames));

  1317.             for (uint32_t i=0; i < pData->cvOut.count; ++i)

  1318.                 FloatVectorOperations::clear(cvOut[i], static_cast<int>(frames));

  1319.             return;

  1320.         }

  1321. 

  1322.         ulong midiEventCount = 0;

  1323.         carla_zeroStruct<snd_seq_event_t>(fMidiEvents, kPluginMaxMidiEvents);

  1324. 

  1325.         // --------------------------------------------------------------------------------------------------------

  1326.         // Check if needs reset

  1327. 

  1328.         if (pData->needsReset)

  1329.         {

  1330.             if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1331.             {

  1332.                 midiEventCount = MAX_MIDI_CHANNELS*2;

  1333. 

  1334.                 for (uchar i=0, k=MAX_MIDI_CHANNELS; i < MAX_MIDI_CHANNELS; ++i)

  1335.                 {

  1336.                     fMidiEvents[i].type = SND_SEQ_EVENT_CONTROLLER;

  1337.                     fMidiEvents[i].data.control.channel = i;

  1338.                     fMidiEvents[i].data.control.param   = MIDI_CONTROL_ALL_NOTES_OFF;

  1339. 

  1340.                     fMidiEvents[k+i].type = SND_SEQ_EVENT_CONTROLLER;

  1341.                     fMidiEvents[k+i].data.control.channel = i;

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

  1343.                 }

  1344.             }

  1345.             else if (pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1346.             {

  1347.                 midiEventCount = MAX_MIDI_NOTE;

  1348. 

  1349.                 for (uchar i=0; i < MAX_MIDI_NOTE; ++i)

  1350.                 {

  1351.                     fMidiEvents[i].type = SND_SEQ_EVENT_NOTEOFF;

  1352.                     fMidiEvents[i].data.note.channel = static_cast<uchar>(pData->ctrlChannel);

  1353.                     fMidiEvents[i].data.note.note    = i;

  1354.                 }

  1355.             }

  1356. 

  1357. #ifndef BUILD_BRIDGE

  1358.             if (pData->latency > 0)

  1359.             {

  1360.                 for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1361.                     FloatVectorOperations::clear(pData->latencyBuffers[i], static_cast<int>(pData->latency));

  1362.             }

  1363. #endif

  1364. 

  1365.             pData->needsReset = false;

  1366.         }

  1367. 

  1368.         // --------------------------------------------------------------------------------------------------------

  1369.         // Event Input and Processing

  1370. 

  1371.         if (pData->event.portIn != nullptr)

  1372.         {

  1373.             // ----------------------------------------------------------------------------------------------------

  1374.             // MIDI Input (External)

  1375. 

  1376.             if (pData->extNotes.mutex.tryLock())

  1377.             {

  1378.                 ExternalMidiNote note = { 0, 0, 0 };

  1379. 

  1380.                 for (; midiEventCount < kPluginMaxMidiEvents && ! pData->extNotes.data.isEmpty();)

  1381.                 {

  1382.                     note = pData->extNotes.data.getFirst(note, true);

  1383. 

  1384.                     CARLA_SAFE_ASSERT_CONTINUE(note.channel >= 0 && note.channel < MAX_MIDI_CHANNELS);

  1385. 

  1386.                     snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1387. 

  1388.                     seqEvent.type               = (note.velo > 0) ? SND_SEQ_EVENT_NOTEON : SND_SEQ_EVENT_NOTEOFF;

  1389.                     seqEvent.data.note.channel  = static_cast<uchar>(note.channel);

  1390.                     seqEvent.data.note.note     = note.note;

  1391.                     seqEvent.data.note.velocity = note.velo;

  1392.                 }

  1393. 

  1394.                 pData->extNotes.mutex.unlock();

  1395. 

  1396.             } // End of MIDI Input (External)

  1397. 

  1398.             // ----------------------------------------------------------------------------------------------------

  1399.             // Event Input (System)

  1400. 

  1401. #ifndef BUILD_BRIDGE

  1402.             bool       allNotesOffSent  = false;

  1403. #endif

  1404.             const bool isSampleAccurate = (pData->options & PLUGIN_OPTION_FIXED_BUFFERS) == 0;

  1405. 

  1406.             uint32_t startTime  = 0;

  1407.             uint32_t timeOffset = 0;

  1408.             uint32_t nextBankId;

  1409. 

  1410.             if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1411.                 nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1412.             else

  1413.                 nextBankId = 0;

  1414. 

  1415.             for (uint32_t i=0, numEvents=pData->event.portIn->getEventCount(); i < numEvents; ++i)

  1416.             {

  1417.                 const EngineEvent& event(pData->event.portIn->getEvent(i));

  1418. 

  1419.                 if (event.time >= frames)

  1420.                     continue;

  1421. 

  1422.                 CARLA_ASSERT_INT2(event.time >= timeOffset, event.time, timeOffset);

  1423. 

  1424.                 if (isSampleAccurate && event.time > timeOffset)

  1425.                 {

  1426.                     if (processSingle(audioIn, audioOut, cvIn, cvOut, event.time - timeOffset, timeOffset, midiEventCount))

  1427.                     {

  1428.                         startTime  = 0;

  1429.                         timeOffset = event.time;

  1430.                         midiEventCount = 0;

  1431. 

  1432.                         if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1433.                             nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1434.                         else

  1435.                             nextBankId = 0;

  1436.                     }

  1437.                     else

  1438.                         startTime += timeOffset;

  1439.                 }

  1440. 

  1441.                 switch (event.type)

  1442.                 {

  1443.                 case kEngineEventTypeNull:

  1444.                     break;

  1445. 

  1446.                 case kEngineEventTypeControl: {

  1447.                     const EngineControlEvent& ctrlEvent(event.ctrl);

  1448. 

  1449.                     switch (ctrlEvent.type)

  1450.                     {

  1451.                     case kEngineControlEventTypeNull:

  1452.                         break;

  1453. 

  1454.                     case kEngineControlEventTypeParameter: {

  1455. #ifndef BUILD_BRIDGE

  1456.                         // Control backend stuff

  1457.                         if (event.channel == pData->ctrlChannel)

  1458.                         {

  1459.                             float value;

  1460. 

  1461.                             if (MIDI_IS_CONTROL_BREATH_CONTROLLER(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_DRYWET) != 0)

  1462.                             {

  1463.                                 value = ctrlEvent.value;

  1464.                                 setDryWet(value, false, false);

  1465.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_DRYWET, 0, value);

  1466.                                 break;

  1467.                             }

  1468. 

  1469.                             if (MIDI_IS_CONTROL_CHANNEL_VOLUME(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_VOLUME) != 0)

  1470.                             {

  1471.                                 value = ctrlEvent.value*127.0f/100.0f;

  1472.                                 setVolume(value, false, false);

  1473.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_VOLUME, 0, value);

  1474.                                 break;

  1475.                             }

  1476. 

  1477.                             if (MIDI_IS_CONTROL_BALANCE(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_BALANCE) != 0)

  1478.                             {

  1479.                                 float left, right;

  1480.                                 value = ctrlEvent.value/0.5f - 1.0f;

  1481. 

  1482.                                 if (value < 0.0f)

  1483.                                 {

  1484.                                     left  = -1.0f;

  1485.                                     right = (value*2.0f)+1.0f;

  1486.                                 }

  1487.                                 else if (value > 0.0f)

  1488.                                 {

  1489.                                     left  = (value*2.0f)-1.0f;

  1490.                                     right = 1.0f;

  1491.                                 }

  1492.                                 else

  1493.                                 {

  1494.                                     left  = -1.0f;

  1495.                                     right = 1.0f;

  1496.                                 }

  1497. 

  1498.                                 setBalanceLeft(left, false, false);

  1499.                                 setBalanceRight(right, false, false);

  1500.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_LEFT, 0, left);

  1501.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_RIGHT, 0, right);

  1502.                                 break;

  1503.                             }

  1504.                         }

  1505. #endif

  1506.                         // Control plugin parameters

  1507.                         uint32_t k;

  1508.                         for (k=0; k < pData->param.count; ++k)

  1509.                         {

  1510.                             if (pData->param.data[k].midiChannel != event.channel)

  1511.                                 continue;

  1512.                             if (pData->param.data[k].midiCC != ctrlEvent.param)

  1513.                                 continue;

  1514.                             if (pData->param.data[k].type != PARAMETER_INPUT)

  1515.                                 continue;

  1516.                             if ((pData->param.data[k].hints & PARAMETER_IS_AUTOMABLE) == 0)

  1517.                                 continue;

  1518. 

  1519.                             float value;

  1520. 

  1521.                             if (pData->param.data[k].hints & PARAMETER_IS_BOOLEAN)

  1522.                             {

  1523.                                 value = (ctrlEvent.value < 0.5f) ? pData->param.ranges[k].min : pData->param.ranges[k].max;

  1524.                             }

  1525.                             else

  1526.                             {

  1527.                                 value = pData->param.ranges[k].getUnnormalizedValue(ctrlEvent.value);

  1528. 

  1529.                                 if (pData->param.data[k].hints & PARAMETER_IS_INTEGER)

  1530.                                     value = std::rint(value);

  1531.                             }

  1532. 

  1533.                             setParameterValue(k, value, false, false, false);

  1534.                             pData->postponeRtEvent(kPluginPostRtEventParameterChange, static_cast<int32_t>(k), 0, value);

  1535.                             break;

  1536.                         }

  1537. 

  1538.                         // check if event is already handled

  1539.                         if (k != pData->param.count)

  1540.                             break;

  1541. 

  1542.                         if ((pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0 && ctrlEvent.param < MAX_MIDI_CONTROL)

  1543.                         {

  1544.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1545.                                 continue;

  1546. 

  1547.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1548. 

  1549.                             seqEvent.time.tick = isSampleAccurate ? startTime : event.time;

  1550. 

  1551.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1552.                             seqEvent.data.control.channel = event.channel;

  1553.                             seqEvent.data.control.param   = ctrlEvent.param;

  1554.                             seqEvent.data.control.value   = int8_t(ctrlEvent.value*127.0f);

  1555.                         }

  1556.                         break;

  1557.                     } // case kEngineControlEventTypeParameter

  1558. 

  1559.                     case kEngineControlEventTypeMidiBank:

  1560.                         if (event.channel == pData->ctrlChannel && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1561.                             nextBankId = ctrlEvent.param;

  1562.                         break;

  1563. 

  1564.                     case kEngineControlEventTypeMidiProgram:

  1565.                         if (event.channel == pData->ctrlChannel && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1566.                         {

  1567.                             const uint32_t nextProgramId = ctrlEvent.param;

  1568. 

  1569.                             for (uint32_t k=0; k < pData->midiprog.count; ++k)

  1570.                             {

  1571.                                 if (pData->midiprog.data[k].bank == nextBankId && pData->midiprog.data[k].program == nextProgramId)

  1572.                                 {

  1573.                                     const int32_t index(static_cast<int32_t>(k));

  1574.                                     setMidiProgram(index, false, false, false);

  1575.                                     pData->postponeRtEvent(kPluginPostRtEventMidiProgramChange, index, 0, 0.0f);

  1576.                                     break;

  1577.                                 }

  1578.                             }

  1579.                         }

  1580.                         break;

  1581. 

  1582.                     case kEngineControlEventTypeAllSoundOff:

  1583.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1584.                         {

  1585.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1586.                                 continue;

  1587. 

  1588.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1589. 

  1590.                             seqEvent.time.tick = isSampleAccurate ? startTime : event.time;

  1591. 

  1592.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1593.                             seqEvent.data.control.channel = event.channel;

  1594.                             seqEvent.data.control.param   = MIDI_CONTROL_ALL_SOUND_OFF;

  1595.                         }

  1596.                         break;

  1597. 

  1598.                     case kEngineControlEventTypeAllNotesOff:

  1599.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1600.                         {

  1601. #ifndef BUILD_BRIDGE

  1602.                             if (event.channel == pData->ctrlChannel && ! allNotesOffSent)

  1603.                             {

  1604.                                 allNotesOffSent = true;

  1605.                                 sendMidiAllNotesOffToCallback();

  1606.                             }

  1607. #endif

  1608. 

  1609.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1610.                                 continue;

  1611. 

  1612.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1613. 

  1614.                             seqEvent.time.tick = isSampleAccurate ? startTime : event.time;

  1615. 

  1616.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1617.                             seqEvent.data.control.channel = event.channel;

  1618.                             seqEvent.data.control.param   = MIDI_CONTROL_ALL_NOTES_OFF;

  1619.                         }

  1620.                         break;

  1621.                     } // switch (ctrlEvent.type)

  1622.                     break;

  1623.                 } // case kEngineEventTypeControl

  1624. 

  1625.                 case kEngineEventTypeMidi: {

  1626.                     if (midiEventCount >= kPluginMaxMidiEvents)

  1627.                         continue;

  1628. 

  1629.                     const EngineMidiEvent& midiEvent(event.midi);

  1630. 

  1631.                     if (midiEvent.size > EngineMidiEvent::kDataSize)

  1632.                         continue;

  1633. 

  1634.                     uint8_t status = uint8_t(MIDI_GET_STATUS_FROM_DATA(midiEvent.data));

  1635. 

  1636.                     // Fix bad note-off (per DSSI spec)

  1637.                     if (status == MIDI_STATUS_NOTE_ON && midiEvent.data[2] == 0)

  1638.                         status = MIDI_STATUS_NOTE_OFF;

  1639. 

  1640.                     snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1641. 

  1642.                     seqEvent.time.tick = isSampleAccurate ? startTime : event.time;

  1643. 

  1644.                     switch (status)

  1645.                     {

  1646.                     case MIDI_STATUS_NOTE_OFF: {

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

  1648. 

  1649.                         seqEvent.type = SND_SEQ_EVENT_NOTEOFF;

  1650.                         seqEvent.data.note.channel = event.channel;

  1651.                         seqEvent.data.note.note    = note;

  1652. 

  1653.                         pData->postponeRtEvent(kPluginPostRtEventNoteOff, event.channel, note, 0.0f);

  1654.                         break;

  1655.                     }

  1656. 

  1657.                     case MIDI_STATUS_NOTE_ON: {

  1658.                         const uint8_t note = midiEvent.data[1];

  1659.                         const uint8_t velo = midiEvent.data[2];

  1660. 

  1661.                         seqEvent.type = SND_SEQ_EVENT_NOTEON;

  1662.                         seqEvent.data.note.channel  = event.channel;

  1663.                         seqEvent.data.note.note     = note;

  1664.                         seqEvent.data.note.velocity = velo;

  1665. 

  1666.                         pData->postponeRtEvent(kPluginPostRtEventNoteOn, event.channel, note, velo);

  1667.                         break;

  1668.                     }

  1669. 

  1670.                     case MIDI_STATUS_POLYPHONIC_AFTERTOUCH:

  1671.                         if (pData->options & PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH)

  1672.                         {

  1673.                             const uint8_t note     = midiEvent.data[1];

  1674.                             const uint8_t pressure = midiEvent.data[2];

  1675. 

  1676.                             seqEvent.type = SND_SEQ_EVENT_KEYPRESS;

  1677.                             seqEvent.data.note.channel  = event.channel;

  1678.                             seqEvent.data.note.note     = note;

  1679.                             seqEvent.data.note.velocity = pressure;

  1680.                         }

  1681.                         break;

  1682. 

  1683.                     case MIDI_STATUS_CONTROL_CHANGE:

  1684.                         if (pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES)

  1685.                         {

  1686.                             const uint8_t control = midiEvent.data[1];

  1687.                             const uint8_t value   = midiEvent.data[2];

  1688. 

  1689.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1690.                             seqEvent.data.control.channel = event.channel;

  1691.                             seqEvent.data.control.param   = control;

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

  1693.                         }

  1694.                         break;

  1695. 

  1696.                     case MIDI_STATUS_CHANNEL_PRESSURE:

  1697.                         if (pData->options & PLUGIN_OPTION_SEND_CHANNEL_PRESSURE)

  1698.                         {

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

  1700. 

  1701.                             seqEvent.type = SND_SEQ_EVENT_CHANPRESS;

  1702.                             seqEvent.data.control.channel = event.channel;

  1703.                             seqEvent.data.control.value   = pressure;

  1704.                         }

  1705.                         break;

  1706. 

  1707.                     case MIDI_STATUS_PITCH_WHEEL_CONTROL:

  1708.                         if (pData->options & PLUGIN_OPTION_SEND_PITCHBEND)

  1709.                         {

  1710.                             const uint8_t lsb = midiEvent.data[1];

  1711.                             const uint8_t msb = midiEvent.data[2];

  1712. 

  1713.                             seqEvent.type = SND_SEQ_EVENT_PITCHBEND;

  1714.                             seqEvent.data.control.channel = event.channel;

  1715.                             seqEvent.data.control.value   = ((msb << 7) | lsb) - 8192;

  1716.                         }

  1717.                         break;

  1718. 

  1719.                     default:

  1720.                         --midiEventCount;

  1721.                         break;

  1722.                     } // switch (status)

  1723.                 } break;

  1724.                 } // switch (event.type)

  1725.             }

  1726. 

  1727.             pData->postRtEvents.trySplice();

  1728. 

  1729.             if (frames > timeOffset)

  1730.                 processSingle(audioIn, audioOut, cvIn, cvOut, frames - timeOffset, timeOffset, midiEventCount);

  1731. 

  1732.         } // End of Event Input and Processing

  1733. 

  1734.         // --------------------------------------------------------------------------------------------------------

  1735.         // Plugin processing (no events)

  1736. 

  1737.         else

  1738.         {

  1739.             processSingle(audioIn, audioOut, cvIn, cvOut, frames, 0, midiEventCount);

  1740. 

  1741.         } // End of Plugin processing (no events)

  1742. 

  1743. #ifndef BUILD_BRIDGE

  1744.         // --------------------------------------------------------------------------------------------------------

  1745.         // Latency, save values for next callback

  1746. 

  1747.         if (fLatencyIndex != -1)

  1748.         {

  1749.             if (pData->latency != static_cast<uint32_t>(fParamBuffers[fLatencyIndex]))

  1750.             {

  1751.                 fLatencyChanged = true;

  1752.             }

  1753.             else if (pData->latency > 0)

  1754.             {

  1755.                 if (pData->latency <= frames)

  1756.                 {

  1757.                     for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1758.                         FloatVectorOperations::copy(pData->latencyBuffers[i], audioIn[i]+(frames-pData->latency), static_cast<int>(pData->latency));

  1759.                 }

  1760.                 else

  1761.                 {

  1762.                     for (uint32_t i=0, j, k; i < pData->audioIn.count; ++i)

  1763.                     {

  1764.                         for (k=0; k < pData->latency-frames; ++k)

  1765.                             pData->latencyBuffers[i][k] = pData->latencyBuffers[i][k+frames];

  1766.                         for (j=0; k < pData->latency; ++j, ++k)

  1767.                             pData->latencyBuffers[i][k] = audioIn[i][j];

  1768.                     }

  1769.                 }

  1770.             }

  1771.         }

  1772. 

  1773.         // --------------------------------------------------------------------------------------------------------

  1774.         // Control Output

  1775. 

  1776.         if (pData->event.portOut != nullptr)

  1777.         {

  1778.             uint8_t  channel;

  1779.             uint16_t param;

  1780.             float    value;

  1781. 

  1782.             for (uint32_t k=0; k < pData->param.count; ++k)

  1783.             {

  1784.                 if (pData->param.data[k].type != PARAMETER_OUTPUT)

  1785.                     continue;

  1786. 

  1787.                 pData->param.ranges[k].fixValue(fParamBuffers[k]);

  1788. 

  1789.                 if (pData->param.data[k].midiCC > 0)

  1790.                 {

  1791.                     channel = pData->param.data[k].midiChannel;

  1792.                     param   = static_cast<uint16_t>(pData->param.data[k].midiCC);

  1793.                     value   = pData->param.ranges[k].getNormalizedValue(fParamBuffers[k]);

  1794.                     pData->event.portOut->writeControlEvent(0, channel, kEngineControlEventTypeParameter, param, value);

  1795.                 }

  1796.             }

  1797.         } // End of Control Output

  1798. #endif

  1799.     }

  1800. 

  1801.     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)

  1802.     {

  1803.         CARLA_SAFE_ASSERT_RETURN(frames > 0, false);

  1804. 

  1805.         if (pData->audioIn.count > 0)

  1806.         {

  1807.             CARLA_SAFE_ASSERT_RETURN(audioIn != nullptr, false);

  1808.         }

  1809.         if (pData->audioOut.count > 0)

  1810.         {

  1811.             CARLA_SAFE_ASSERT_RETURN(audioOut != nullptr, false);

  1812.         }

  1813.         if (pData->cvIn.count > 0)

  1814.         {

  1815.             CARLA_SAFE_ASSERT_RETURN(cvIn != nullptr, false);

  1816.         }

  1817.         if (pData->cvOut.count > 0)

  1818.         {

  1819.             CARLA_SAFE_ASSERT_RETURN(cvOut != nullptr, false);

  1820.         }

  1821. 

  1822.         // --------------------------------------------------------------------------------------------------------

  1823.         // Try lock, silence otherwise

  1824. 

  1825.         if (pData->engine->isOffline())

  1826.         {

  1827.             pData->singleMutex.lock();

  1828.         }

  1829.         else if (! pData->singleMutex.tryLock())

  1830.         {

  1831.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1832.             {

  1833.                 for (uint32_t k=0; k < frames; ++k)

  1834.                     audioOut[i][k+timeOffset] = 0.0f;

  1835.             }

  1836.             for (uint32_t i=0; i < pData->cvOut.count; ++i)

  1837.             {

  1838.                 for (uint32_t k=0; k < frames; ++k)

  1839.                     cvOut[i][k+timeOffset] = 0.0f;

  1840.             }

  1841. 

  1842.             return false;

  1843.         }

  1844. 

  1845.         // --------------------------------------------------------------------------------------------------------

  1846.         // Set audio buffers

  1847. 

  1848.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1849.             FloatVectorOperations::copy(fAudioInBuffers[i], audioIn[i]+timeOffset, static_cast<int>(frames));

  1850. 

  1851.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1852.             FloatVectorOperations::clear(fAudioOutBuffers[i], static_cast<int>(frames));

  1853. 

  1854. #if 0

  1855.         // --------------------------------------------------------------------------------------------------------

  1856.         // Set CV buffers

  1857. 

  1858.         for (uint32_t i=0; i < pData->cvIn.count; ++i)

  1859.             FloatVectorOperations::copy(fCvInBuffers[i], cvIn[i]+timeOffset, static_cast<int>(frames));

  1860. 

  1861.         for (uint32_t i=0; i < pData->cvOut.count; ++i)

  1862.             FloatVectorOperations::clear(fCvOutBuffers[i], static_cast<int>(frames));

  1863. #endif

  1864. 

  1865.         // --------------------------------------------------------------------------------------------------------

  1866.         // Run plugin

  1867. 

  1868.         // TODO - try catch

  1869. 

  1870.         if (fDssiDescriptor->run_synth != nullptr)

  1871.         {

  1872.             fDssiDescriptor->run_synth(fHandle, frames, fMidiEvents, midiEventCount);

  1873. 

  1874.             if (fHandle2 != nullptr)

  1875.                 fDssiDescriptor->run_synth(fHandle2, frames, fMidiEvents, midiEventCount);

  1876.         }

  1877.         else if (fDssiDescriptor->run_multiple_synths != nullptr)

  1878.         {

  1879.             ulong instances = (fHandle2 != nullptr) ? 2 : 1;

  1880.             LADSPA_Handle handlePtr[2] = { fHandle, fHandle2 };

  1881.             snd_seq_event_t* midiEventsPtr[2] = { fMidiEvents, fMidiEvents };

  1882.             ulong midiEventCountPtr[2] = { midiEventCount, midiEventCount };

  1883.             fDssiDescriptor->run_multiple_synths(instances, handlePtr, frames, midiEventsPtr, midiEventCountPtr);

  1884.         }

  1885.         else

  1886.         {

  1887.             fDescriptor->run(fHandle, frames);

  1888. 

  1889.             if (fHandle2 != nullptr)

  1890.                 fDescriptor->run(fHandle2, frames);

  1891.         }

  1892. 

  1893. #ifndef BUILD_BRIDGE

  1894.         // --------------------------------------------------------------------------------------------------------

  1895.         // Post-processing (dry/wet, volume and balance)

  1896. 

  1897.         {

  1898.             const bool doDryWet  = (pData->hints & PLUGIN_CAN_DRYWET) != 0 && ! carla_compareFloats(pData->postProc.dryWet, 1.0f);

  1899.             const bool doBalance = (pData->hints & PLUGIN_CAN_BALANCE) != 0 && ! (carla_compareFloats(pData->postProc.balanceLeft, -1.0f) && carla_compareFloats(pData->postProc.balanceRight, 1.0f));

  1900.             const bool isMono    = (pData->audioIn.count == 1);

  1901. 

  1902.             bool isPair;

  1903.             float bufValue, oldBufLeft[doBalance ? frames : 1];

  1904. 

  1905.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1906.             {

  1907.                 // Dry/Wet

  1908.                 if (doDryWet)

  1909.                 {

  1910.                     for (uint32_t k=0; k < frames; ++k)

  1911.                     {

  1912.                         if (k < pData->latency)

  1913.                             bufValue = pData->latencyBuffers[isMono ? 0 : i][k];

  1914.                         else if (pData->latency < frames)

  1915.                             bufValue = fAudioInBuffers[isMono ? 0 : i][k-pData->latency];

  1916.                         else

  1917.                             bufValue = fAudioInBuffers[isMono ? 0 : i][k];

  1918. 

  1919.                         fAudioOutBuffers[i][k] = (fAudioOutBuffers[i][k] * pData->postProc.dryWet) + (bufValue * (1.0f - pData->postProc.dryWet));

  1920.                     }

  1921.                 }

  1922. 

  1923.                 // Balance

  1924.                 if (doBalance)

  1925.                 {

  1926.                     isPair = (i % 2 == 0);

  1927. 

  1928.                     if (isPair)

  1929.                     {

  1930.                         CARLA_ASSERT(i+1 < pData->audioOut.count);

  1931.                         FloatVectorOperations::copy(oldBufLeft, fAudioOutBuffers[i], static_cast<int>(frames));

  1932.                     }

  1933. 

  1934.                     float balRangeL = (pData->postProc.balanceLeft  + 1.0f)/2.0f;

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

  1936. 

  1937.                     for (uint32_t k=0; k < frames; ++k)

  1938.                     {

  1939.                         if (isPair)

  1940.                         {

  1941.                             // left

  1942.                             fAudioOutBuffers[i][k]  = oldBufLeft[k]            * (1.0f - balRangeL);

  1943.                             fAudioOutBuffers[i][k] += fAudioOutBuffers[i+1][k] * (1.0f - balRangeR);

  1944.                         }

  1945.                         else

  1946.                         {

  1947.                             // right

  1948.                             fAudioOutBuffers[i][k]  = fAudioOutBuffers[i][k] * balRangeR;

  1949.                             fAudioOutBuffers[i][k] += oldBufLeft[k]          * balRangeL;

  1950.                         }

  1951.                     }

  1952.                 }

  1953. 

  1954.                 // Volume (and buffer copy)

  1955.                 {

  1956.                     for (uint32_t k=0; k < frames; ++k)

  1957.                         audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k] * pData->postProc.volume;

  1958.                 }

  1959.             }

  1960. 

  1961.         } // End of Post-processing

  1962. 

  1963. #else // BUILD_BRIDGE

  1964.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1965.         {

  1966.             for (uint32_t k=0; k < frames; ++k)

  1967.                 audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k];

  1968.         }

  1969. #endif

  1970. 

  1971. #if 0

  1972.         for (uint32_t i=0; i < pData->cvOut.count; ++i)

  1973.         {

  1974.             for (uint32_t k=0; k < frames; ++k)

  1975.                 cvOut[i][k+timeOffset] = fCvOutBuffers[i][k];

  1976.         }

  1977. #endif

  1978. 

  1979.         // --------------------------------------------------------------------------------------------------------

  1980. 

  1981.         pData->singleMutex.unlock();

  1982.         return true;

  1983.     }

  1984. 

  1985.     void bufferSizeChanged(const uint32_t newBufferSize) override

  1986.     {

  1987.         CARLA_ASSERT_INT(newBufferSize > 0, newBufferSize);

  1988.         carla_debug("CarlaPluginDSSI::bufferSizeChanged(%i) - start", newBufferSize);

  1989. 

  1990.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1991.         {

  1992.             if (fAudioInBuffers[i] != nullptr)

  1993.                 delete[] fAudioInBuffers[i];

  1994.             fAudioInBuffers[i] = new float[newBufferSize];

  1995.         }

  1996. 

  1997.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1998.         {

  1999.             if (fAudioOutBuffers[i] != nullptr)

  2000.                 delete[] fAudioOutBuffers[i];

  2001.             fAudioOutBuffers[i] = new float[newBufferSize];

  2002.         }

  2003. 

  2004.         if (fHandle2 == nullptr)

  2005.         {

  2006.             for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2007.             {

  2008.                 CARLA_ASSERT(fAudioInBuffers[i] != nullptr);

  2009. 

  2010.                 try {

  2011.                     fDescriptor->connect_port(fHandle, pData->audioIn.ports[i].rindex, fAudioInBuffers[i]);

  2012.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port audio input");

  2013.             }

  2014. 

  2015.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2016.             {

  2017.                 CARLA_ASSERT(fAudioOutBuffers[i] != nullptr);

  2018. 

  2019.                 try {

  2020.                     fDescriptor->connect_port(fHandle, pData->audioOut.ports[i].rindex, fAudioOutBuffers[i]);

  2021.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port audio output");

  2022.             }

  2023.         }

  2024.         else

  2025.         {

  2026.             if (pData->audioIn.count > 0)

  2027.             {

  2028.                 CARLA_ASSERT(pData->audioIn.count == 2);

  2029.                 CARLA_ASSERT(fAudioInBuffers[0] != nullptr);

  2030.                 CARLA_ASSERT(fAudioInBuffers[1] != nullptr);

  2031. 

  2032.                 try {

  2033.                     fDescriptor->connect_port(fHandle, pData->audioIn.ports[0].rindex, fAudioInBuffers[0]);

  2034.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port audio input #1");

  2035. 

  2036.                 try {

  2037.                     fDescriptor->connect_port(fHandle2, pData->audioIn.ports[1].rindex, fAudioInBuffers[1]);

  2038.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port audio input #2");

  2039.             }

  2040. 

  2041.             if (pData->audioOut.count > 0)

  2042.             {

  2043.                 CARLA_ASSERT(pData->audioOut.count == 2);

  2044.                 CARLA_ASSERT(fAudioOutBuffers[0] != nullptr);

  2045.                 CARLA_ASSERT(fAudioOutBuffers[1] != nullptr);

  2046. 

  2047.                 try {

  2048.                     fDescriptor->connect_port(fHandle, pData->audioOut.ports[0].rindex, fAudioOutBuffers[0]);

  2049.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port audio output #1");

  2050. 

  2051.                 try {

  2052.                     fDescriptor->connect_port(fHandle2, pData->audioOut.ports[1].rindex, fAudioOutBuffers[1]);

  2053.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port audio output #2");

  2054.             }

  2055.         }

  2056. 

  2057.         carla_debug("CarlaPluginDSSI::bufferSizeChanged(%i) - end", newBufferSize);

  2058.     }

  2059. 

  2060.     void sampleRateChanged(const double newSampleRate) override

  2061.     {

  2062.         CARLA_ASSERT_INT(newSampleRate > 0.0, newSampleRate);

  2063.         carla_debug("CarlaPluginDSSI::sampleRateChanged(%g) - start", newSampleRate);

  2064. 

  2065.         // TODO

  2066.         (void)newSampleRate;

  2067. 

  2068.         carla_debug("CarlaPluginDSSI::sampleRateChanged(%g) - end", newSampleRate);

  2069.     }

  2070. 

  2071.     // -------------------------------------------------------------------

  2072.     // Plugin buffers

  2073. 

  2074.     void clearBuffers() noexcept override

  2075.     {

  2076.         carla_debug("CarlaPluginDSSI::clearBuffers() - start");

  2077. 

  2078.         if (fAudioInBuffers != nullptr)

  2079.         {

  2080.             for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2081.             {

  2082.                 if (fAudioInBuffers[i] != nullptr)

  2083.                 {

  2084.                     delete[] fAudioInBuffers[i];

  2085.                     fAudioInBuffers[i] = nullptr;

  2086.                 }

  2087.             }

  2088. 

  2089.             delete[] fAudioInBuffers;

  2090.             fAudioInBuffers = nullptr;

  2091.         }

  2092. 

  2093.         if (fAudioOutBuffers != nullptr)

  2094.         {

  2095.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2096.             {

  2097.                 if (fAudioOutBuffers[i] != nullptr)

  2098.                 {

  2099.                     delete[] fAudioOutBuffers[i];

  2100.                     fAudioOutBuffers[i] = nullptr;

  2101.                 }

  2102.             }

  2103. 

  2104.             delete[] fAudioOutBuffers;

  2105.             fAudioOutBuffers = nullptr;

  2106.         }

  2107. 

  2108.         if (fParamBuffers != nullptr)

  2109.         {

  2110.             delete[] fParamBuffers;

  2111.             fParamBuffers = nullptr;

  2112.         }

  2113. 

  2114.         CarlaPlugin::clearBuffers();

  2115. 

  2116.         carla_debug("CarlaPluginDSSI::clearBuffers() - end");

  2117.     }

  2118. 

  2119.     // -------------------------------------------------------------------

  2120.     // OSC stuff

  2121. 

  2122.     void handleOscMessage(const char* const method, const int argc, const void* const argvx, const char* const types, const lo_message msg) override

  2123.     {

  2124.         const lo_address source(lo_message_get_source(msg));

  2125.         CARLA_SAFE_ASSERT_RETURN(source != nullptr,);

  2126. 

  2127.         // protocol for DSSI UIs *must* be UDP

  2128.         CARLA_SAFE_ASSERT_RETURN(lo_address_get_protocol(source) == LO_UDP,);

  2129. 

  2130.         if (fOscData.source == nullptr)

  2131.         {

  2132.             // if no UI is registered yet only "update" message is valid

  2133.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(method, "update") == 0,)

  2134.         }

  2135.         else

  2136.         {

  2137.             // make sure message source is the DSSI UI

  2138.             const char* const msghost = lo_address_get_hostname(source);

  2139.             const char* const msgport = lo_address_get_port(source);

  2140. 

  2141.             const char* const ourhost = lo_address_get_hostname(fOscData.source);

  2142.             const char* const ourport = lo_address_get_port(fOscData.source);

  2143. 

  2144.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(msghost, ourhost) == 0,);

  2145.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(msgport, ourport) == 0,);

  2146.         }

  2147. 

  2148.         const lo_arg* const* const argv(static_cast<const lo_arg* const* const>(argvx));

  2149. 

  2150.         if (std::strcmp(method, "configure") == 0)

  2151.             return handleOscMessageConfigure(argc, argv, types);

  2152.         if (std::strcmp(method, "control") == 0)

  2153.             return handleOscMessageControl(argc, argv, types);

  2154.         if (std::strcmp(method, "program") == 0)

  2155.             return handleOscMessageProgram(argc, argv, types);

  2156.         if (std::strcmp(method, "midi") == 0)

  2157.             return handleOscMessageMIDI(argc, argv, types);

  2158.         if (std::strcmp(method, "update") == 0)

  2159.             return handleOscMessageUpdate(argc, argv, types, lo_message_get_source(msg));

  2160.         if (std::strcmp(method, "exiting") == 0)

  2161.             return handleOscMessageExiting();

  2162. 

  2163.         carla_stdout("CarlaPluginDSSI::handleOscMessage() - unknown method '%s'", method);

  2164.     }

  2165. 

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

  2167.     {

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

  2169.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "ss");

  2170. 

  2171.         const char* const key   = (const char*)&argv[0]->s;

  2172.         const char* const value = (const char*)&argv[1]->s;

  2173. 

  2174.         setCustomData(CUSTOM_DATA_TYPE_STRING, key, value, false);

  2175.     }

  2176. 

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

  2178.     {

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

  2180.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "if");

  2181. 

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

  2183.         const float   value  = argv[1]->f;

  2184. 

  2185.         setParameterValueByRealIndex(rindex, value, false, true, true);

  2186.     }

  2187. 

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

  2189.     {

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

  2191.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "ii");

  2192. 

  2193.         const int32_t bank    = argv[0]->i;

  2194.         const int32_t program = argv[1]->i;

  2195. 

  2196.         CARLA_SAFE_ASSERT_RETURN(bank >= 0,);

  2197.         CARLA_SAFE_ASSERT_RETURN(program >= 0,);

  2198. 

  2199.         setMidiProgramById(static_cast<uint32_t>(bank), static_cast<uint32_t>(program), false, true, true);

  2200.     }

  2201. 

  2202.     void handleOscMessageMIDI(const int argc, const lo_arg* const* const argv, const char* const types)

  2203.     {

  2204.         carla_debug("CarlaPluginDSSI::handleMsgMidi()");

  2205.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(1, "m");

  2206. 

  2207.         if (getMidiInCount() == 0)

  2208.         {

  2209.             carla_stderr("CarlaPluginDSSI::handleMsgMidi() - received midi when plugin has no midi inputs");

  2210.             return;

  2211.         }

  2212. 

  2213.         const uint8_t* const data = argv[0]->m;

  2214.         uint8_t status  = data[1];

  2215.         uint8_t channel = status & 0x0F;

  2216. 

  2217.         // Fix bad note-off

  2218.         if (MIDI_IS_STATUS_NOTE_ON(status) && data[3] == 0)

  2219.             status = MIDI_STATUS_NOTE_OFF;

  2220. 

  2221.         if (MIDI_IS_STATUS_NOTE_OFF(status))

  2222.         {

  2223.             const uint8_t note = data[2];

  2224. 

  2225.             CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2226. 

  2227.             sendMidiSingleNote(channel, note, 0, false, true, true);

  2228.         }

  2229.         else if (MIDI_IS_STATUS_NOTE_ON(status))

  2230.         {

  2231.             const uint8_t note = data[2];

  2232.             const uint8_t velo = data[3];

  2233. 

  2234.             CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2235.             CARLA_SAFE_ASSERT_RETURN(velo < MAX_MIDI_VALUE,);

  2236. 

  2237.             sendMidiSingleNote(channel, note, velo, false, true, true);

  2238.         }

  2239.     }

  2240. 

  2241.     void handleOscMessageUpdate(const int argc, const lo_arg* const* const argv, const char* const types, const lo_address source)

  2242.     {

  2243.         carla_debug("CarlaPluginDSSI::handleMsgUpdate()");

  2244.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(1, "s");

  2245. 

  2246.         const char* const url = (const char*)&argv[0]->s;

  2247. 

  2248.         // FIXME - remove debug prints later

  2249.         carla_stdout("CarlaPluginDSSI::updateOscData(%p, \"%s\")", source, url);

  2250. 

  2251.         fOscData.clear();

  2252. 

  2253.         const int proto = lo_address_get_protocol(source);

  2254. 

  2255.         {

  2256.             const char* host = lo_address_get_hostname(source);

  2257.             const char* port = lo_address_get_port(source);

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

  2259. 

  2260.             carla_stdout("CarlaPlugin::updateOscData() - source: host \"%s\", port \"%s\"", host, port);

  2261.         }

  2262. 

  2263.         {

  2264.             char* host = lo_url_get_hostname(url);

  2265.             char* port = lo_url_get_port(url);

  2266.             fOscData.path   = carla_strdup_free(lo_url_get_path(url));

  2267.             fOscData.target = lo_address_new_with_proto(proto, host, port);

  2268.             carla_stdout("CarlaPlugin::updateOscData() - target: host \"%s\", port \"%s\", path \"%s\"", host, port, fOscData.path);

  2269. 

  2270.             std::free(host);

  2271.             std::free(port);

  2272.         }

  2273. 

  2274.         osc_send_sample_rate(fOscData, static_cast<float>(pData->engine->getSampleRate()));

  2275. 

  2276.         for (LinkedList<CustomData>::Itenerator it = pData->custom.begin(); it.valid(); it.next())

  2277.         {

  2278.             const CustomData& customData(it.getValue(kCustomDataFallback));

  2279.             CARLA_SAFE_ASSERT_CONTINUE(customData.isValid());

  2280. 

  2281.             if (std::strcmp(customData.type, CUSTOM_DATA_TYPE_STRING) == 0)

  2282.                 osc_send_configure(fOscData, customData.key, customData.value);

  2283.         }

  2284. 

  2285.         if (pData->prog.current >= 0)

  2286.             osc_send_program(fOscData, static_cast<uint32_t>(pData->prog.current));

  2287. 

  2288.         if (pData->midiprog.current >= 0)

  2289.         {

  2290.             const MidiProgramData& curMidiProg(pData->midiprog.getCurrent());

  2291. 

  2292.             if (getType() == PLUGIN_DSSI)

  2293.                 osc_send_program(fOscData, curMidiProg.bank, curMidiProg.program);

  2294.             else

  2295.                 osc_send_midi_program(fOscData, curMidiProg.bank, curMidiProg.program);

  2296.         }

  2297. 

  2298.         for (uint32_t i=0; i < pData->param.count; ++i)

  2299.             osc_send_control(fOscData, pData->param.data[i].rindex, getParameterValue(i));

  2300. 

  2301.         if ((pData->hints & PLUGIN_HAS_CUSTOM_UI) != 0 && pData->engine->getOptions().frontendWinId != 0)

  2302.             pData->transientTryCounter = 1;

  2303. 

  2304.         carla_stdout("CarlaPluginDSSI::updateOscData() - done");

  2305.     }

  2306. 

  2307.     void handleOscMessageExiting()

  2308.     {

  2309.         carla_debug("CarlaPluginDSSI::handleMsgExiting()");

  2310. 

  2311.         // hide UI

  2312.         showCustomUI(false);

  2313. 

  2314.         // tell frontend

  2315.         pData->engine->callback(ENGINE_CALLBACK_UI_STATE_CHANGED, pData->id, 0, 0, 0.0f, nullptr);

  2316.     }

  2317. 

  2318.     // -------------------------------------------------------------------

  2319.     // Post-poned UI Stuff

  2320. 

  2321.     void uiParameterChange(const uint32_t index, const float value) noexcept override

  2322.     {

  2323.         CARLA_SAFE_ASSERT_RETURN(index < pData->param.count,);

  2324. 

  2325.         if (fOscData.target == nullptr)

  2326.             return;

  2327. 

  2328.         osc_send_control(fOscData, pData->param.data[index].rindex, value);

  2329.     }

  2330. 

  2331.     void uiMidiProgramChange(const uint32_t index) noexcept override

  2332.     {

  2333.         CARLA_SAFE_ASSERT_RETURN(index < pData->midiprog.count,);

  2334. 

  2335.         if (fOscData.target == nullptr)

  2336.             return;

  2337. 

  2338.         osc_send_program(fOscData, pData->midiprog.data[index].bank, pData->midiprog.data[index].program);

  2339.     }

  2340. 

  2341.     void uiNoteOn(const uint8_t channel, const uint8_t note, const uint8_t velo) noexcept override

  2342.     {

  2343.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2344.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2345.         CARLA_SAFE_ASSERT_RETURN(velo > 0 && velo < MAX_MIDI_VALUE,);

  2346. 

  2347.         if (fOscData.target == nullptr)

  2348.             return;

  2349. 

  2350. #if 0

  2351.         uint8_t midiData[4];

  2352.         midiData[0] = 0;

  2353.         midiData[1] = uint8_t(MIDI_STATUS_NOTE_ON | (channel & MIDI_CHANNEL_BIT));

  2354.         midiData[2] = note;

  2355.         midiData[3] = velo;

  2356. 

  2357.         osc_send_midi(fOscData, midiData);

  2358. #endif

  2359.     }

  2360. 

  2361.     void uiNoteOff(const uint8_t channel, const uint8_t note) noexcept override

  2362.     {

  2363.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2364.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2365. 

  2366.         if (fOscData.target == nullptr)

  2367.             return;

  2368. 

  2369. #if 0

  2370.         uint8_t midiData[4];

  2371.         midiData[0] = 0;

  2372.         midiData[1] = uint8_t(MIDI_STATUS_NOTE_ON | (channel & MIDI_CHANNEL_BIT));

  2373.         midiData[2] = note;

  2374.         midiData[3] = 0;

  2375. 

  2376.         osc_send_midi(fOscData, midiData);

  2377. #endif

  2378.     }

  2379. 

  2380.     // -------------------------------------------------------------------

  2381. 

  2382.     void* getNativeHandle() const noexcept override

  2383.     {

  2384.         return fHandle;

  2385.     }

  2386. 

  2387.     const void* getNativeDescriptor() const noexcept override

  2388.     {

  2389.         return fDssiDescriptor;

  2390.     }

  2391. 

  2392.     uintptr_t getUiBridgeProcessId() const noexcept override

  2393.     {

  2394.         return fThreadUI.getProcessPID();

  2395.     }

  2396. 

  2397.     const void* getExtraStuff() const noexcept override

  2398.     {

  2399.         return fUiFilename;

  2400.     }

  2401. 

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

  2403. 

  2404.     bool init(const char* const filename, const char* const name, const char* const label)

  2405.     {

  2406.         CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr, false);

  2407. 

  2408.         // ---------------------------------------------------------------

  2409.         // first checks

  2410. 

  2411.         if (pData->client != nullptr)

  2412.         {

  2413.             pData->engine->setLastError("Plugin client is already registered");

  2414.             return false;

  2415.         }

  2416. 

  2417.         if (filename == nullptr || filename[0] == '\0')

  2418.         {

  2419.             pData->engine->setLastError("null filename");

  2420.             return false;

  2421.         }

  2422. 

  2423.         if (label == nullptr || label[0] == '\0')

  2424.         {

  2425.             pData->engine->setLastError("null label");

  2426.             return false;

  2427.         }

  2428. 

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

  2430.         // open DLL

  2431. 

  2432.         if (! pData->libOpen(filename))

  2433.         {

  2434.             pData->engine->setLastError(pData->libError(filename));

  2435.             return false;

  2436.         }

  2437. 

  2438.         // ---------------------------------------------------------------

  2439.         // get DLL main entry

  2440. 

  2441.         const DSSI_Descriptor_Function descFn = pData->libSymbol<DSSI_Descriptor_Function>("dssi_descriptor");

  2442. 

  2443.         if (descFn == nullptr)

  2444.         {

  2445.             pData->engine->setLastError("Could not find the DSSI Descriptor in the plugin library");

  2446.             return false;

  2447.         }

  2448. 

  2449.         // ---------------------------------------------------------------

  2450.         // get descriptor that matches label

  2451. 

  2452.         ulong i = 0;

  2453. 

  2454.         for (;;)

  2455.         {

  2456.             try {

  2457.                 fDssiDescriptor = descFn(i++);

  2458.             }

  2459.             catch(...) {

  2460.                 carla_stderr2("Caught exception when trying to get LADSPA descriptor");

  2461.                 fDescriptor     = nullptr;

  2462.                 fDssiDescriptor = nullptr;

  2463.                 break;

  2464.             }

  2465. 

  2466.             if (fDssiDescriptor == nullptr)

  2467.                 break;

  2468. 

  2469.             fDescriptor = fDssiDescriptor->LADSPA_Plugin;

  2470. 

  2471.             if (fDescriptor == nullptr)

  2472.             {

  2473.                 carla_stderr2("WARNING - Missing LADSPA interface, will not use this plugin");

  2474.                 fDssiDescriptor = nullptr;

  2475.                 break;

  2476.             }

  2477.             if (fDescriptor->Label == nullptr || fDescriptor->Label[0] == '\0')

  2478.             {

  2479.                 carla_stderr2("WARNING - Got an invalid label, will not use this plugin");

  2480.                 fDescriptor     = nullptr;

  2481.                 fDssiDescriptor = nullptr;

  2482.                 break;

  2483.             }

  2484.             if (fDescriptor->run == nullptr)

  2485.             {

  2486.                 carla_stderr2("WARNING - Plugin has no run, cannot use it");

  2487.                 fDescriptor     = nullptr;

  2488.                 fDssiDescriptor = nullptr;

  2489.                 break;

  2490.             }

  2491. 

  2492.             if (std::strcmp(fDescriptor->Label, label) == 0)

  2493.                 break;

  2494.         }

  2495. 

  2496.         if (fDescriptor == nullptr || fDssiDescriptor == nullptr)

  2497.         {

  2498.             pData->engine->setLastError("Could not find the requested plugin label in the plugin library");

  2499.             return false;

  2500.         }

  2501. 

  2502.         // ---------------------------------------------------------------

  2503.         // check if uses global instance

  2504. 

  2505.         if (fDssiDescriptor->run_synth == nullptr && fDssiDescriptor->run_multiple_synths != nullptr)

  2506.         {

  2507.             if (! addUniqueMultiSynth(fDescriptor->Label))

  2508.             {

  2509.                 pData->engine->setLastError("This plugin uses a global instance and can't be used more than once safely");

  2510.                 return false;

  2511.             }

  2512.         }

  2513. 

  2514.         // ---------------------------------------------------------------

  2515.         // get info

  2516. 

  2517.         if (name != nullptr && name[0] != '\0')

  2518.             pData->name = pData->engine->getUniquePluginName(name);

  2519.         else if (fDescriptor->Name != nullptr && fDescriptor->Name[0] != '\0')

  2520.             pData->name = pData->engine->getUniquePluginName(fDescriptor->Name);

  2521.         else

  2522.             pData->name = pData->engine->getUniquePluginName(fDescriptor->Label);

  2523. 

  2524.         pData->filename = carla_strdup(filename);

  2525. 

  2526.         // ---------------------------------------------------------------

  2527.         // register client

  2528. 

  2529.         pData->client = pData->engine->addClient(this);

  2530. 

  2531.         if (pData->client == nullptr || ! pData->client->isOk())

  2532.         {

  2533.             pData->engine->setLastError("Failed to register plugin client");

  2534.             return false;

  2535.         }

  2536. 

  2537.         // ---------------------------------------------------------------

  2538.         // initialize plugin

  2539. 

  2540.         try {

  2541.             fHandle = fDescriptor->instantiate(fDescriptor, (ulong)pData->engine->getSampleRate());

  2542.         } CARLA_SAFE_EXCEPTION("DSSI instantiate");

  2543. 

  2544.         if (fHandle == nullptr)

  2545.         {

  2546.             pData->engine->setLastError("Plugin failed to initialize");

  2547.             return false;

  2548.         }

  2549. 

  2550.         // ---------------------------------------------------------------

  2551.         // check for custom data extension

  2552. 

  2553.         if (fDssiDescriptor->configure != nullptr)

  2554.         {

  2555.             if (char* const error = fDssiDescriptor->configure(fHandle, DSSI_CUSTOMDATA_EXTENSION_KEY, ""))

  2556.             {

  2557.                 if (std::strcmp(error, "true") == 0 && fDssiDescriptor->get_custom_data != nullptr && fDssiDescriptor->set_custom_data != nullptr)

  2558.                     fUsesCustomData = true;

  2559. 

  2560.                 std::free(error);

  2561.             }

  2562.         }

  2563. 

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

  2565.         // gui stuff

  2566. 

  2567.         if (const char* const guiFilename = find_dssi_ui(filename, fDescriptor->Label))

  2568.         {

  2569.             fThreadUI.setData(guiFilename, fDescriptor->Label);

  2570.             fUiFilename = guiFilename;

  2571.         }

  2572. 

  2573.         // ---------------------------------------------------------------

  2574.         // set default options

  2575. 

  2576. #ifdef __USE_GNU

  2577.         const bool isDssiVst(strcasestr(pData->filename, "dssi-vst") != nullptr);

  2578. #else

  2579.         const bool isDssiVst(std::strstr(pData->filename, "dssi-vst") != nullptr);

  2580. #endif

  2581. 

  2582.         pData->options = 0x0;

  2583. 

  2584.         if (fLatencyIndex >= 0 || isDssiVst)

  2585.             pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;

  2586. 

  2587.         if (pData->engine->getOptions().forceStereo)

  2588.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  2589. 

  2590.         if (fUsesCustomData)

  2591.             pData->options |= PLUGIN_OPTION_USE_CHUNKS;

  2592. 

  2593.         if (fDssiDescriptor->get_program != nullptr && fDssiDescriptor->select_program != nullptr)

  2594.             pData->options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  2595. 

  2596.         if (fDssiDescriptor->run_synth != nullptr || fDssiDescriptor->run_multiple_synths != nullptr)

  2597.         {

  2598.             pData->options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  2599.             pData->options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  2600.             pData->options |= PLUGIN_OPTION_SEND_PITCHBEND;

  2601.             pData->options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  2602. 

  2603.             if (fDssiDescriptor->run_synth == nullptr)

  2604.                 carla_stderr("WARNING: Plugin can ONLY use run_multiple_synths!");

  2605.         }

  2606. 

  2607.         return true;

  2608.     }

  2609. 

  2610.     // -------------------------------------------------------------------

  2611. 

  2612. private:

  2613.     LADSPA_Handle fHandle;

  2614.     LADSPA_Handle fHandle2;

  2615.     const LADSPA_Descriptor* fDescriptor;

  2616.     const DSSI_Descriptor*   fDssiDescriptor;

  2617. 

  2618.     bool fUsesCustomData;

  2619.     const char* fUiFilename;

  2620. 

  2621.     float** fAudioInBuffers;

  2622.     float** fAudioOutBuffers;

  2623.     float*  fParamBuffers;

  2624. 

  2625.     bool    fLatencyChanged;

  2626.     int32_t fLatencyIndex; // -1 if invalid

  2627. 

  2628.     snd_seq_event_t fMidiEvents[kPluginMaxMidiEvents];

  2629. 

  2630.     CarlaOscData      fOscData;

  2631.     CarlaThreadDSSIUI fThreadUI;

  2632. 

  2633.     // -------------------------------------------------------------------

  2634. 

  2635.     uint32_t getSafePortCount() const noexcept

  2636.     {

  2637.         if (fDescriptor->PortCount == 0)

  2638.             return 0;

  2639. 

  2640.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortDescriptors != nullptr, 0);

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

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

  2643. 

  2644.         return static_cast<uint32_t>(fDescriptor->PortCount);

  2645.     }

  2646. 

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

  2648.     {

  2649.         if (_getSeparatedParameterNameOrUnitImpl(paramName, strBuf, wantName, true))

  2650.             return true;

  2651.         if (_getSeparatedParameterNameOrUnitImpl(paramName, strBuf, wantName, false))

  2652.             return true;

  2653.         return false;

  2654.     }

  2655. 

  2656.     bool _getSeparatedParameterNameOrUnitImpl(const char* const paramName, char* const strBuf, const bool wantName, const bool useBracket) const noexcept

  2657.     {

  2658.         const char* const sepBracketStart(std::strstr(paramName, useBracket ? " [" : " ("));

  2659. 

  2660.         if (sepBracketStart == nullptr)

  2661.             return false;

  2662. 

  2663.         const char* const sepBracketEnd(std::strstr(sepBracketStart, useBracket ? "]" : ")"));

  2664. 

  2665.         if (sepBracketEnd == nullptr)

  2666.             return false;

  2667. 

  2668.         const size_t unitSize(static_cast<size_t>(sepBracketEnd-sepBracketStart-2));

  2669. 

  2670.         if (unitSize > 7) // very unlikely to have such big unit

  2671.             return false;

  2672. 

  2673.         const size_t sepIndex(std::strlen(paramName)-unitSize-3);

  2674. 

  2675.         // just in case

  2676.         if (sepIndex > STR_MAX)

  2677.             return false;

  2678. 

  2679.         if (wantName)

  2680.         {

  2681.             std::strncpy(strBuf, paramName, sepIndex);

  2682.             strBuf[sepIndex] = '\0';

  2683.         }

  2684.         else

  2685.         {

  2686.             std::strncpy(strBuf, paramName+(sepIndex+2), unitSize);

  2687.             strBuf[unitSize] = '\0';

  2688.         }

  2689. 

  2690.         return true;

  2691.     }

  2692. 

  2693.     // -------------------------------------------------------------------

  2694. 

  2695.     static LinkedList<const char*> sMultiSynthList;

  2696. 

  2697.     static bool addUniqueMultiSynth(const char* const label) noexcept

  2698.     {

  2699.         CARLA_SAFE_ASSERT_RETURN(label != nullptr && label[0] != '\0', false);

  2700. 

  2701.         const char* dlabel = nullptr;

  2702. 

  2703.         try {

  2704.             dlabel = carla_strdup(label);

  2705.         } catch(...) { return false; }

  2706. 

  2707.         for (LinkedList<const char*>::Itenerator it = sMultiSynthList.begin(); it.valid(); it.next())

  2708.         {

  2709.             const char* const itLabel(it.getValue());

  2710. 

  2711.             if (std::strcmp(dlabel, itLabel) == 0)

  2712.             {

  2713.                 delete[] dlabel;

  2714.                 return false;

  2715.             }

  2716.         }

  2717. 

  2718.         return sMultiSynthList.append(dlabel);

  2719.     }

  2720. 

  2721.     static void removeUniqueMultiSynth(const char* const label) noexcept

  2722.     {

  2723.         CARLA_SAFE_ASSERT_RETURN(label != nullptr && label[0] != '\0',);

  2724. 

  2725.         for (LinkedList<const char*>::Itenerator it = sMultiSynthList.begin(); it.valid(); it.next())

  2726.         {

  2727.             const char* const itLabel(it.getValue());

  2728. 

  2729.             if (std::strcmp(label, itLabel) == 0)

  2730.             {

  2731.                 sMultiSynthList.remove(it);

  2732.                 delete[] itLabel;

  2733.                 break;

  2734.             }

  2735.         }

  2736.     }

  2737. 

  2738.     // -------------------------------------------------------------------

  2739. 

  2740.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaPluginDSSI)

  2741. };

  2742. 

  2743. LinkedList<const char*> CarlaPluginDSSI::sMultiSynthList;

  2744. 

  2745. // -------------------------------------------------------------------------------------------------------------------

  2746. 

  2747. CarlaPlugin* CarlaPlugin::newDSSI(const Initializer& init)

  2748. {

  2749.     carla_debug("CarlaPlugin::newDSSI({%p, \"%s\", \"%s\", \"%s\", " P_INT64 "})", init.engine, init.filename, init.name, init.label, init.uniqueId);

  2750. 

  2751.     CarlaPluginDSSI* const plugin(new CarlaPluginDSSI(init.engine, init.id));

  2752. 

  2753.     if (! plugin->init(init.filename, init.name, init.label))

  2754.     {

  2755.         delete plugin;

  2756.         return nullptr;

  2757.     }

  2758. 

  2759.     plugin->reload();

  2760. 

  2761.     bool canRun = true;

  2762. 

  2763.     if (init.engine->getProccessMode() == ENGINE_PROCESS_MODE_CONTINUOUS_RACK)

  2764.     {

  2765.         if (! plugin->canRunInRack())

  2766.         {

  2767.             init.engine->setLastError("Carla's rack mode can only work with Mono or Stereo DSSI plugins, sorry!");

  2768.             canRun = false;

  2769.         }

  2770.         else if (plugin->getCVInCount() > 0 || plugin->getCVInCount() > 0)

  2771.         {

  2772.             init.engine->setLastError("Carla's rack mode cannot work with plugins that have CV ports, sorry!");

  2773.             canRun = false;

  2774.         }

  2775.     }

  2776.     else if (init.engine->getProccessMode() == ENGINE_PROCESS_MODE_PATCHBAY && (plugin->getCVInCount() > 0 || plugin->getCVInCount() > 0))

  2777.     {

  2778.         init.engine->setLastError("CV ports in patchbay mode is still TODO");

  2779.         canRun = false;

  2780.     }

  2781. 

  2782.     if (! canRun)

  2783.     {

  2784.         delete plugin;

  2785.         return nullptr;

  2786.     }

  2787. 

  2788.     return plugin;

  2789. }

  2790. 

  2791. // -------------------------------------------------------------------------------------------------------------------

  2792. 

  2793. CARLA_BACKEND_END_NAMESPACE