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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. 

  27. #ifdef HAVE_LIBLO

  28. # include "CarlaOscUtils.hpp"

  29. # include "CarlaPipeUtils.hpp"

  30. # include "CarlaThread.hpp"

  31. #endif

  32. 

  33. using juce::ChildProcess;

  34. using juce::ScopedPointer;

  35. using juce::String;

  36. using juce::StringArray;

  37. 

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

  39.     /* check argument count */                                                                                                  \

  40.     if (argc != argcToCompare)                                                                                                  \

  41.     {                                                                                                                           \

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

  43.         return;                                                                                                                 \

  44.     }                                                                                                                           \

  45.     if (argc > 0)                                                                                                               \

  46.     {                                                                                                                           \

  47.         /* check for nullness */                                                                                                \

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

  49.         {                                                                                                                       \

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

  51.             return;                                                                                                             \

  52.         }                                                                                                                       \

  53.         /* check argument types */                                                                                              \

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

  55.         {                                                                                                                       \

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

  57.             return;                                                                                                             \

  58.         }                                                                                                                       \

  59.     }

  60. 

  61. CARLA_BACKEND_START_NAMESPACE

  62. 

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

  64. // Fallback data

  65. 

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

  67. 

  68. #ifdef HAVE_LIBLO

  69. // -------------------------------------------------------------------

  70. 

  71. class CarlaThreadDSSIUI : public CarlaThread

  72. {

  73. public:

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

  75.         : CarlaThread("CarlaThreadDSSIUI"),

  76.           kEngine(engine),

  77.           kPlugin(plugin),

  78.           fBinary(),

  79.           fLabel(),

  80.           fOscData(oscData),

  81.           fProcess(),

  82.           leakDetector_CarlaThreadDSSIUI() {}

  83. 

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

  85.     {

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

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

  88.         CARLA_SAFE_ASSERT(! isThreadRunning());

  89. 

  90.         fBinary = binary;

  91.         fLabel  = label;

  92. 

  93.         if (fLabel.isEmpty())

  94.             fLabel = "\"\"";

  95.     }

  96. 

  97.     uintptr_t getProcessPID() const noexcept

  98.     {

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

  100. 

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

  102.     }

  103. 

  104.     void run()

  105.     {

  106.         if (fProcess == nullptr)

  107.         {

  108.             fProcess = new ChildProcess();

  109.         }

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

  111.         {

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

  113. 

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

  115.             fProcess->kill();

  116.             fProcess = nullptr;

  117.             return;

  118.         }

  119. 

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

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

  122. 

  123.         if (name.isEmpty())

  124.             name = "(none)";

  125. 

  126.         if (filename.isEmpty())

  127.             filename = "\"\"";

  128. 

  129.         StringArray arguments;

  130. 

  131.         // binary

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

  133. 

  134.         // osc-url

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

  136. 

  137.         // filename

  138.         arguments.add(filename);

  139. 

  140.         // label

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

  142. 

  143.         // ui-title

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

  145. 

  146.         bool started;

  147. 

  148.         {

  149. #ifdef CARLA_OS_LINUX

  150.             /*

  151.              * If the frontend uses winId parent, set LD_PRELOAD to auto-map the DSSI UI.

  152.              * If not, unset LD_PRELOAD.

  153.              */

  154.             const uintptr_t winId(kEngine->getOptions().frontendWinId);

  155. 

  156.             // for CARLA_ENGINE_OPTION_FRONTEND_WIN_ID

  157.             char winIdStr[STR_MAX+1];

  158.             winIdStr[STR_MAX] = '\0';

  159. 

  160.             // for LD_PRELOAD

  161.             CarlaString ldPreloadValue;

  162. 

  163.             if (winId != 0)

  164.             {

  165.                 std::snprintf(winIdStr, STR_MAX, P_UINTPTR, kEngine->getOptions().frontendWinId);

  166.                 ldPreloadValue = (CarlaString(kEngine->getOptions().binaryDir) + CARLA_OS_SEP_STR "libcarla_interposer-x11.so");

  167.             }

  168. 

  169.             const ScopedEngineEnvironmentLocker _seel(kEngine);

  170.             const ScopedEnvVar _sev1("CARLA_ENGINE_OPTION_FRONTEND_WIN_ID", winIdStr[0] != '\0' ? winIdStr : nullptr);

  171.             const ScopedEnvVar _sev2("LD_PRELOAD", ldPreloadValue.isNotEmpty() ? ldPreloadValue.buffer() : nullptr);

  172. #endif // CARLA_OS_LINUX

  173. 

  174.             // start the DSSI UI application

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

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

  177.         }

  178. 

  179.         if (! started)

  180.         {

  181.             carla_stdout("failed!");

  182.             fProcess = nullptr;

  183.             return;

  184.         }

  185. 

  186.         if (waitForOscGuiShow())

  187.         {

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

  189.                 carla_sleep(1);

  190. 

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

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

  193.             {

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

  195. 

  196.                 if (fProcess->isRunning())

  197.                 {

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

  199.                     fProcess->kill();

  200.                 }

  201.                 else

  202.                 {

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

  204.                 }

  205.             }

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

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

  208.             else

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

  210. 

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

  212.         }

  213.         else

  214.         {

  215.             fProcess->kill();

  216. 

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

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

  219.         }

  220. 

  221.         carla_stdout("DSSI UI finished");

  222.         fProcess = nullptr;

  223.     }

  224. 

  225. private:

  226.     CarlaEngine* const kEngine;

  227.     CarlaPlugin* const kPlugin;

  228. 

  229.     CarlaString fBinary;

  230.     CarlaString fLabel;

  231. 

  232.     const CarlaOscData&         fOscData;

  233.     ScopedPointer<ChildProcess> fProcess;

  234. 

  235.     bool waitForOscGuiShow()

  236.     {

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

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

  239. 

  240.         // wait for UI 'update' call

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

  242.         {

  243.             if (fOscData.target != nullptr)

  244.             {

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

  246.                 osc_send_show(fOscData);

  247.                 return true;

  248.             }

  249. 

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

  251.                 carla_msleep(100);

  252.             else

  253.                 return false;

  254.         }

  255. 

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

  257.         return false;

  258.     }

  259. 

  260.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaThreadDSSIUI)

  261. };

  262. #endif

  263. 

  264. // -----------------------------------------------------

  265. 

  266. class CarlaPluginDSSI : public CarlaPlugin

  267. {

  268. public:

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

  270.         : CarlaPlugin(engine, id),

  271.           fHandle(nullptr),

  272.           fHandle2(nullptr),

  273.           fDescriptor(nullptr),

  274.           fDssiDescriptor(nullptr),

  275.           fUsesCustomData(false),

  276. #ifdef HAVE_LIBLO

  277.           fUiFilename(nullptr),

  278. #endif

  279.           fAudioInBuffers(nullptr),

  280.           fAudioOutBuffers(nullptr),

  281.           fParamBuffers(nullptr),

  282.           fLatencyChanged(false),

  283.           fLatencyIndex(-1),

  284. #ifdef HAVE_LIBLO

  285.           fOscData(),

  286.           fThreadUI(engine, this, fOscData),

  287. #endif

  288.           leakDetector_CarlaPluginDSSI()

  289.     {

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

  291.     }

  292. 

  293.     ~CarlaPluginDSSI() noexcept override

  294.     {

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

  296. 

  297. #ifdef HAVE_LIBLO

  298.         // close UI

  299.         if (pData->hints & PLUGIN_HAS_CUSTOM_UI)

  300.         {

  301.             showCustomUI(false);

  302. 

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

  304.         }

  305. #endif

  306. 

  307.         pData->singleMutex.lock();

  308.         pData->masterMutex.lock();

  309. 

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

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

  312. 

  313.         if (pData->active)

  314.         {

  315.             deactivate();

  316.             pData->active = false;

  317.         }

  318. 

  319.         if (fDescriptor != nullptr)

  320.         {

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

  322.                 removeUniqueMultiSynth(fDescriptor->Label);

  323. 

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

  325.             {

  326.                 if (fHandle != nullptr)

  327.                 {

  328.                     try {

  329.                         fDescriptor->cleanup(fHandle);

  330.                     } CARLA_SAFE_EXCEPTION("DSSI cleanup");

  331.                 }

  332. 

  333.                 if (fHandle2 != nullptr)

  334.                 {

  335.                     try {

  336.                         fDescriptor->cleanup(fHandle2);

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

  338.                 }

  339.             }

  340. 

  341.             fHandle  = nullptr;

  342.             fHandle2 = nullptr;

  343.             fDescriptor = nullptr;

  344.             fDssiDescriptor = nullptr;

  345.         }

  346. 

  347. #ifdef HAVE_LIBLO

  348.         if (fUiFilename != nullptr)

  349.         {

  350.             delete[] fUiFilename;

  351.             fUiFilename = nullptr;

  352.         }

  353. #endif

  354. 

  355.         clearBuffers();

  356.     }

  357. 

  358.     // -------------------------------------------------------------------

  359.     // Information (base)

  360. 

  361.     PluginType getType() const noexcept override

  362.     {

  363.         return PLUGIN_DSSI;

  364.     }

  365. 

  366.     PluginCategory getCategory() const noexcept override

  367.     {

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

  369. 

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

  371.             return PLUGIN_CATEGORY_SYNTH;

  372. 

  373.         return CarlaPlugin::getCategory();

  374.     }

  375. 

  376.     int64_t getUniqueId() const noexcept override

  377.     {

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

  379. 

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

  381.     }

  382. 

  383.     // -------------------------------------------------------------------

  384.     // Information (count)

  385. 

  386.     // nothing

  387. 

  388.     // -------------------------------------------------------------------

  389.     // Information (current data)

  390. 

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

  392.     {

  393.         CARLA_SAFE_ASSERT_RETURN(fUsesCustomData, 0);

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

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

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

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

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

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

  400. 

  401.         *dataPtr = nullptr;

  402. 

  403.         int ret = 0;

  404.         ulong dataSize = 0;

  405. 

  406.         try {

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

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

  409. 

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

  411.     }

  412. 

  413.     // -------------------------------------------------------------------

  414.     // Information (per-plugin data)

  415. 

  416.     uint getOptionsAvailable() const noexcept override

  417.     {

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

  419. 

  420. #ifdef __USE_GNU

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

  422. #else

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

  424. #endif

  425. 

  426.         uint options = 0x0;

  427. 

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

  429.             options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  430. 

  431.         if (! isDssiVst)

  432.         {

  433.             if (fLatencyIndex == -1)

  434.                 options |= PLUGIN_OPTION_FIXED_BUFFERS;

  435. 

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

  437.             {

  438.                 if (pData->options & PLUGIN_OPTION_FORCE_STEREO)

  439.                     options |= PLUGIN_OPTION_FORCE_STEREO;

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

  441.                     options |= PLUGIN_OPTION_FORCE_STEREO;

  442.             }

  443.         }

  444. 

  445.         if (fUsesCustomData)

  446.             options |= PLUGIN_OPTION_USE_CHUNKS;

  447. 

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

  449.         {

  450.             options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  451.             options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  452.             options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  453.             options |= PLUGIN_OPTION_SEND_PITCHBEND;

  454.             options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  455.         }

  456. 

  457.         return options;

  458.     }

  459. 

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

  461.     {

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

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

  464. 

  465.         return fParamBuffers[parameterId];

  466.     }

  467. 

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

  469.     {

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

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

  472. 

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

  474.     }

  475. 

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

  477.     {

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

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

  480. 

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

  482.     }

  483. 

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

  485.     {

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

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

  488. 

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

  490.     }

  491. 

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

  493.     {

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

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

  496. 

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

  498.     }

  499. 

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

  501.     {

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

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

  504. 

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

  506. 

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

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

  509. 

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

  511.             return;

  512. 

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

  514.     }

  515. 

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

  517.     {

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

  519. 

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

  521. 

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

  523. 

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

  525.             return;

  526. 

  527.         nullStrBuf(strBuf);

  528.     }

  529. 

  530.     // -------------------------------------------------------------------

  531.     // Set data (state)

  532. 

  533.     // nothing

  534. 

  535.     // -------------------------------------------------------------------

  536.     // Set data (internal stuff)

  537. 

  538.     void setId(const uint newId) noexcept

  539.     {

  540.         CarlaPlugin::setId(newId);

  541. 

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

  543.         // FIXME - must be RT safe

  544.         showCustomUI(false);

  545.     }

  546. 

  547.     // -------------------------------------------------------------------

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

  549. 

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

  551.     {

  552.         CARLA_SAFE_ASSERT_RETURN(fParamBuffers != nullptr,);

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

  554. 

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

  556.         fParamBuffers[parameterId] = fixedValue;

  557. 

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

  559.     }

  560. 

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

  562.     {

  563.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

  564.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

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

  567.         CARLA_SAFE_ASSERT_RETURN(value != nullptr,);

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

  569. 

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

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

  572. 

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

  574.         {

  575.             try {

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

  577.             } catch(...) {}

  578. 

  579.             if (fHandle2 != nullptr)

  580.             {

  581.                 try {

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

  583.                 } catch(...) {}

  584.             }

  585.         }

  586. 

  587. #ifdef HAVE_LIBLO

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

  589.             osc_send_configure(fOscData, key, value);

  590. #endif

  591. 

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

  593.         {

  594.             const ScopedSingleProcessLocker spl(this, true);

  595.             reloadPrograms(false);

  596.         }

  597. 

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

  599.     }

  600. 

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

  602.     {

  603.         CARLA_SAFE_ASSERT_RETURN(fUsesCustomData,);

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

  605.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

  607.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  608.         CARLA_SAFE_ASSERT_RETURN(fHandle2 == nullptr,);

  609.         CARLA_SAFE_ASSERT_RETURN(data != nullptr,);

  610.         CARLA_SAFE_ASSERT_RETURN(dataSize > 0,);

  611. 

  612.         {

  613.             const ScopedSingleProcessLocker spl(this, true);

  614. 

  615.             try {

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

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

  618.         }

  619. 

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

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

  622. #else

  623.         const bool sendOsc(false);

  624. #endif

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

  626.     }

  627. 

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

  629.     {

  630.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

  632.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  634. 

  635.         if (index >= 0)

  636.         {

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

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

  639. 

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

  641. 

  642.             try {

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

  644.             } catch(...) {}

  645. 

  646.             if (fHandle2 != nullptr)

  647.             {

  648.                 try {

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

  650.                 } catch(...) {}

  651.             }

  652.         }

  653. 

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

  655.     }

  656. 

  657. #ifdef HAVE_LIBLO

  658.     // -------------------------------------------------------------------

  659.     // Set ui stuff

  660. 

  661.     void showCustomUI(const bool yesNo) override

  662.     {

  663.         if (yesNo)

  664.         {

  665.             fOscData.clear();

  666.             fThreadUI.startThread();

  667.         }

  668.         else

  669.         {

  670.             pData->transientTryCounter = 0;

  671. 

  672.             if (fOscData.target != nullptr)

  673.             {

  674.                 osc_send_hide(fOscData);

  675.                 osc_send_quit(fOscData);

  676.                 fOscData.clear();

  677.             }

  678. 

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

  680.         }

  681.     }

  682. #endif

  683. 

  684.     void idle() override

  685.     {

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

  687.         {

  688.             fLatencyChanged = false;

  689. 

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

  691. 

  692.             if (latency >= 0)

  693.             {

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

  695. 

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

  697.                 {

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

  699. 

  700.                     const ScopedSingleProcessLocker sspl(this, true);

  701. 

  702.                     pData->latency = ulatency;

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

  704. #ifndef BUILD_BRIDGE

  705.                     pData->recreateLatencyBuffers();

  706. #endif

  707.                 }

  708.             }

  709.             else

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

  711.         }

  712. 

  713.         CarlaPlugin::idle();

  714.     }

  715. 

  716.     // -------------------------------------------------------------------

  717.     // Plugin state

  718. 

  719.     void reload() override

  720.     {

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

  722.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  723.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

  724.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  726. 

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

  728. 

  729.         // Safely disable plugin for reload

  730.         const ScopedDisabler sd(this);

  731. 

  732.         if (pData->active)

  733.             deactivate();

  734. 

  735.         clearBuffers();

  736. 

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

  738.         const uint32_t portCount(getSafePortCount());

  739. 

  740.         uint32_t aIns, aOuts, mIns, params;

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

  742. 

  743.         bool forcedStereoIn, forcedStereoOut;

  744.         forcedStereoIn = forcedStereoOut = false;

  745. 

  746.         bool needsCtrlIn, needsCtrlOut;

  747.         needsCtrlIn = needsCtrlOut = false;

  748. 

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

  750.         {

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

  752. 

  753.             if (LADSPA_IS_PORT_AUDIO(portType))

  754.             {

  755.                 if (LADSPA_IS_PORT_INPUT(portType))

  756.                     aIns += 1;

  757.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  758.                     aOuts += 1;

  759.             }

  760.             else if (LADSPA_IS_PORT_CONTROL(portType))

  761.                 params += 1;

  762.         }

  763. 

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

  765.         {

  766.             if (fHandle2 == nullptr)

  767.             {

  768.                 try {

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

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

  771.             }

  772. 

  773.             if (fHandle2 != nullptr)

  774.             {

  775.                 if (aIns == 1)

  776.                 {

  777.                     aIns = 2;

  778.                     forcedStereoIn = true;

  779.                 }

  780. 

  781.                 if (aOuts == 1)

  782.                 {

  783.                     aOuts = 2;

  784.                     forcedStereoOut = true;

  785.                 }

  786.             }

  787.         }

  788. 

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

  790.         {

  791.             mIns = 1;

  792.             needsCtrlIn = true;

  793.         }

  794. 

  795.         if (aIns > 0)

  796.         {

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

  798.             fAudioInBuffers = new float*[aIns];

  799. 

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

  801.                 fAudioInBuffers[i] = nullptr;

  802.         }

  803. 

  804.         if (aOuts > 0)

  805.         {

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

  807.             fAudioOutBuffers = new float*[aOuts];

  808.             needsCtrlIn = true;

  809. 

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

  811.                 fAudioOutBuffers[i] = nullptr;

  812.         }

  813. 

  814.         if (params > 0)

  815.         {

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

  817. 

  818.             fParamBuffers = new float[params];

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

  820.         }

  821. 

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

  823.         CarlaString portName;

  824. 

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

  826.         {

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

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

  829. 

  830.             if (LADSPA_IS_PORT_AUDIO(portType))

  831.             {

  832.                 portName.clear();

  833. 

  834.                 if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  835.                 {

  836.                     portName  = pData->name;

  837.                     portName += ":";

  838.                 }

  839. 

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

  841.                 {

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

  843.                 }

  844.                 else

  845.                 {

  846.                     if (LADSPA_IS_PORT_INPUT(portType))

  847.                     {

  848.                         if (aIns > 1)

  849.                         {

  850.                             portName += "audio-in_";

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

  852.                         }

  853.                         else

  854.                             portName += "audio-in";

  855.                     }

  856.                     else

  857.                     {

  858.                         if (aOuts > 1)

  859.                         {

  860.                             portName += "audio-out_";

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

  862.                         }

  863.                         else

  864.                             portName += "audio-out";

  865.                     }

  866.                 }

  867. 

  868.                 portName.truncate(portNameSize);

  869. 

  870.                 if (LADSPA_IS_PORT_INPUT(portType))

  871.                 {

  872.                     const uint32_t j = iAudioIn++;

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

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

  875. 

  876.                     if (forcedStereoIn)

  877.                     {

  878.                         portName += "_2";

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

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

  881.                     }

  882.                 }

  883.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  884.                 {

  885.                     const uint32_t j = iAudioOut++;

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

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

  888. 

  889.                     if (forcedStereoOut)

  890.                     {

  891.                         portName += "_2";

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

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

  894.                     }

  895.                 }

  896.                 else

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

  898.             }

  899.             else if (LADSPA_IS_PORT_CONTROL(portType))

  900.             {

  901.                 const uint32_t j = iCtrl++;

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

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

  904. 

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

  906. 

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

  908. 

  909.                 // min value

  910.                 if (LADSPA_IS_HINT_BOUNDED_BELOW(portRangeHints.HintDescriptor))

  911.                     min = portRangeHints.LowerBound;

  912.                 else

  913.                     min = 0.0f;

  914. 

  915.                 // max value

  916.                 if (LADSPA_IS_HINT_BOUNDED_ABOVE(portRangeHints.HintDescriptor))

  917.                     max = portRangeHints.UpperBound;

  918.                 else

  919.                     max = 1.0f;

  920. 

  921.                 if (min > max)

  922.                 {

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

  924.                     min = max - 0.1f;

  925.                 }

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

  927.                 {

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

  929.                     max = min + 0.1f;

  930.                 }

  931. 

  932.                 // default value

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

  934. 

  935.                 if (def < min)

  936.                     def = min;

  937.                 else if (def > max)

  938.                     def = max;

  939. 

  940.                 if (LADSPA_IS_HINT_SAMPLE_RATE(portRangeHints.HintDescriptor))

  941.                 {

  942.                     min *= sampleRate;

  943.                     max *= sampleRate;

  944.                     def *= sampleRate;

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

  946.                 }

  947. 

  948.                 if (LADSPA_IS_HINT_TOGGLED(portRangeHints.HintDescriptor))

  949.                 {

  950.                     step = max - min;

  951.                     stepSmall = step;

  952.                     stepLarge = step;

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

  954.                 }

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

  956.                 {

  957.                     step = 1.0f;

  958.                     stepSmall = 1.0f;

  959.                     stepLarge = 10.0f;

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

  961.                 }

  962.                 else

  963.                 {

  964.                     const float range = max - min;

  965.                     step = range/100.0f;

  966.                     stepSmall = range/1000.0f;

  967.                     stepLarge = range/10.0f;

  968.                 }

  969. 

  970.                 if (LADSPA_IS_PORT_INPUT(portType))

  971.                 {

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

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

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

  975.                     needsCtrlIn = true;

  976. 

  977.                     // MIDI CC value

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

  979.                     {

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

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

  982.                         {

  983.                             int16_t cc = DSSI_CC_NUMBER(controller);

  984.                             if (! MIDI_IS_CONTROL_BANK_SELECT(cc))

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

  986.                         }

  987.                     }

  988.                 }

  989.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  990.                 {

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

  992. 

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

  994.                     {

  995.                         min = 0.0f;

  996.                         max = sampleRate;

  997.                         def = 0.0f;

  998.                         step = 1.0f;

  999.                         stepSmall = 1.0f;

  1000.                         stepLarge = 1.0f;

  1001.                         pData->param.special[j] = PARAMETER_SPECIAL_LATENCY;

  1002.                         CARLA_SAFE_ASSERT(fLatencyIndex == -1);

  1003.                         fLatencyIndex = static_cast<int32_t>(j);

  1004.                     }

  1005.                     else

  1006.                     {

  1007.                         pData->param.data[j].hints |= PARAMETER_IS_ENABLED;

  1008.                         pData->param.data[j].hints |= PARAMETER_IS_AUTOMABLE;

  1009.                         needsCtrlOut = true;

  1010.                     }

  1011.                 }

  1012.                 else

  1013.                 {

  1014.                     carla_stderr2("WARNING - Got a broken Port (Control, but not input or output)");

  1015.                 }

  1016. 

  1017.                 // extra parameter hints

  1018.                 if (LADSPA_IS_HINT_LOGARITHMIC(portRangeHints.HintDescriptor))

  1019.                     pData->param.data[j].hints |= PARAMETER_IS_LOGARITHMIC;

  1020. 

  1021.                 pData->param.ranges[j].min = min;

  1022.                 pData->param.ranges[j].max = max;

  1023.                 pData->param.ranges[j].def = def;

  1024.                 pData->param.ranges[j].step = step;

  1025.                 pData->param.ranges[j].stepSmall = stepSmall;

  1026.                 pData->param.ranges[j].stepLarge = stepLarge;

  1027. 

  1028.                 // Start parameters in their default values

  1029.                 fParamBuffers[j] = def;

  1030. 

  1031.                 try {

  1032.                     fDescriptor->connect_port(fHandle, i, &fParamBuffers[j]);

  1033.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port parameter");

  1034. 

  1035.                 if (fHandle2 != nullptr)

  1036.                 {

  1037.                     try {

  1038.                         fDescriptor->connect_port(fHandle2, i, &fParamBuffers[j]);

  1039.                     } CARLA_SAFE_EXCEPTION("DSSI connect_port parameter #2");

  1040.                 }

  1041.             }

  1042.             else

  1043.             {

  1044.                 // Not Audio or Control

  1045.                 carla_stderr2("ERROR - Got a broken Port (neither Audio or Control)");

  1046. 

  1047.                 try {

  1048.                     fDescriptor->connect_port(fHandle, i, nullptr);

  1049.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port null");

  1050. 

  1051.                 if (fHandle2 != nullptr)

  1052.                 {

  1053.                     try {

  1054.                         fDescriptor->connect_port(fHandle2, i, nullptr);

  1055.                     } CARLA_SAFE_EXCEPTION("DSSI connect_port null #2");

  1056.                 }

  1057.             }

  1058.         }

  1059. 

  1060.         if (needsCtrlIn)

  1061.         {

  1062.             portName.clear();

  1063. 

  1064.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1065.             {

  1066.                 portName  = pData->name;

  1067.                 portName += ":";

  1068.             }

  1069. 

  1070.             portName += "events-in";

  1071.             portName.truncate(portNameSize);

  1072. 

  1073.             pData->event.portIn = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, true);

  1074.         }

  1075. 

  1076.         if (needsCtrlOut)

  1077.         {

  1078.             portName.clear();

  1079. 

  1080.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1081.             {

  1082.                 portName  = pData->name;

  1083.                 portName += ":";

  1084.             }

  1085. 

  1086.             portName += "events-out";

  1087.             portName.truncate(portNameSize);

  1088. 

  1089.             pData->event.portOut = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, false);

  1090.         }

  1091. 

  1092.         if (forcedStereoIn || forcedStereoOut)

  1093.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  1094.         else

  1095.             pData->options &= ~PLUGIN_OPTION_FORCE_STEREO;

  1096. 

  1097.         // plugin hints

  1098.         pData->hints = 0x0;

  1099. 

  1100.         if (LADSPA_IS_HARD_RT_CAPABLE(fDescriptor->Properties))

  1101.             pData->hints |= PLUGIN_IS_RTSAFE;

  1102. 

  1103. #ifdef HAVE_LIBLO

  1104.         if (fUiFilename != nullptr)

  1105.             pData->hints |= PLUGIN_HAS_CUSTOM_UI;

  1106. #endif

  1107. 

  1108. #ifndef BUILD_BRIDGE

  1109.         if (aOuts > 0 && (aIns == aOuts || aIns == 1))

  1110.             pData->hints |= PLUGIN_CAN_DRYWET;

  1111. 

  1112.         if (aOuts > 0)

  1113.             pData->hints |= PLUGIN_CAN_VOLUME;

  1114. 

  1115.         if (aOuts >= 2 && aOuts % 2 == 0)

  1116.             pData->hints |= PLUGIN_CAN_BALANCE;

  1117. #endif

  1118. 

  1119.         // extra plugin hints

  1120.         pData->extraHints = 0x0;

  1121. 

  1122.         if (mIns > 0)

  1123.             pData->extraHints |= PLUGIN_EXTRA_HINT_HAS_MIDI_IN;

  1124. 

  1125.         if (aIns <= 2 && aOuts <= 2 && (aIns == aOuts || aIns == 0 || aOuts == 0))

  1126.             pData->extraHints |= PLUGIN_EXTRA_HINT_CAN_RUN_RACK;

  1127. 

  1128.         // check latency

  1129.         if (fLatencyIndex >= 0)

  1130.         {

  1131.             // we need to pre-run the plugin so it can update its latency control-port

  1132. 

  1133.             float tmpIn [(aIns > 0)  ? aIns  : 1][2];

  1134.             float tmpOut[(aOuts > 0) ? aOuts : 1][2];

  1135. 

  1136.             for (uint32_t j=0; j < aIns; ++j)

  1137.             {

  1138.                 tmpIn[j][0] = 0.0f;

  1139.                 tmpIn[j][1] = 0.0f;

  1140. 

  1141.                 try {

  1142.                     fDescriptor->connect_port(fHandle, pData->audioIn.ports[j].rindex, tmpIn[j]);

  1143.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port latency input");

  1144.             }

  1145. 

  1146.             for (uint32_t j=0; j < aOuts; ++j)

  1147.             {

  1148.                 tmpOut[j][0] = 0.0f;

  1149.                 tmpOut[j][1] = 0.0f;

  1150. 

  1151.                 try {

  1152.                     fDescriptor->connect_port(fHandle, pData->audioOut.ports[j].rindex, tmpOut[j]);

  1153.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port latency output");

  1154.             }

  1155. 

  1156.             if (fDescriptor->activate != nullptr)

  1157.             {

  1158.                 try {

  1159.                     fDescriptor->activate(fHandle);

  1160.                 } CARLA_SAFE_EXCEPTION("DSSI latency activate");

  1161.             }

  1162. 

  1163.             try {

  1164.                 fDescriptor->run(fHandle, 2);

  1165.             } CARLA_SAFE_EXCEPTION("DSSI latency run");

  1166. 

  1167.             if (fDescriptor->deactivate != nullptr)

  1168.             {

  1169.                 try {

  1170.                     fDescriptor->deactivate(fHandle);

  1171.                 } CARLA_SAFE_EXCEPTION("DSSI latency deactivate");

  1172.             }

  1173. 

  1174.             const int32_t latency(static_cast<int32_t>(fParamBuffers[fLatencyIndex]));

  1175. 

  1176.             if (latency >= 0)

  1177.             {

  1178.                 const uint32_t ulatency(static_cast<uint32_t>(latency));

  1179. 

  1180.                 if (pData->latency != ulatency)

  1181.                 {

  1182.                     carla_stdout("latency = %i", latency);

  1183. 

  1184.                     pData->latency = ulatency;

  1185.                     pData->client->setLatency(ulatency);

  1186. #ifndef BUILD_BRIDGE

  1187.                     pData->recreateLatencyBuffers();

  1188. #endif

  1189.                 }

  1190.             }

  1191.             else

  1192.                 carla_safe_assert_int("latency >= 0", __FILE__, __LINE__, latency);

  1193. 

  1194.             fLatencyChanged = false;

  1195.         }

  1196. 

  1197.         bufferSizeChanged(pData->engine->getBufferSize());

  1198.         reloadPrograms(true);

  1199. 

  1200.         if (pData->active)

  1201.             activate();

  1202. 

  1203.         carla_debug("CarlaPluginDSSI::reload() - end");

  1204.     }

  1205. 

  1206.     void reloadPrograms(const bool doInit) override

  1207.     {

  1208.         carla_debug("CarlaPluginDSSI::reloadPrograms(%s)", bool2str(doInit));

  1209.         const uint32_t oldCount = pData->midiprog.count;

  1210.         const int32_t  current  = pData->midiprog.current;

  1211. 

  1212.         // Delete old programs

  1213.         pData->midiprog.clear();

  1214. 

  1215.         // Query new programs

  1216.         uint32_t newCount = 0;

  1217.         if (fDssiDescriptor->get_program != nullptr && fDssiDescriptor->select_program != nullptr)

  1218.         {

  1219.             for (; fDssiDescriptor->get_program(fHandle, newCount) != nullptr;)

  1220.                 ++newCount;

  1221.         }

  1222. 

  1223.         if (newCount > 0)

  1224.         {

  1225.             pData->midiprog.createNew(newCount);

  1226. 

  1227.             // Update data

  1228.             for (uint32_t i=0; i < newCount; ++i)

  1229.             {

  1230.                 const DSSI_Program_Descriptor* const pdesc(fDssiDescriptor->get_program(fHandle, i));

  1231.                 CARLA_SAFE_ASSERT_CONTINUE(pdesc != nullptr);

  1232.                 CARLA_SAFE_ASSERT(pdesc->Name != nullptr);

  1233. 

  1234.                 pData->midiprog.data[i].bank    = static_cast<uint32_t>(pdesc->Bank);

  1235.                 pData->midiprog.data[i].program = static_cast<uint32_t>(pdesc->Program);

  1236.                 pData->midiprog.data[i].name    = carla_strdup(pdesc->Name);

  1237.             }

  1238.         }

  1239. 

  1240. #if defined(HAVE_LIBLO) && ! defined(BUILD_BRIDGE)

  1241.         // Update OSC Names

  1242.         if (pData->engine->isOscControlRegistered())

  1243.         {

  1244.             pData->engine->oscSend_control_set_midi_program_count(pData->id, newCount);

  1245. 

  1246.             for (uint32_t i=0; i < newCount; ++i)

  1247.                 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);

  1248.         }

  1249. #endif

  1250. 

  1251.         if (doInit)

  1252.         {

  1253.             if (newCount > 0)

  1254.                 setMidiProgram(0, false, false, false);

  1255.         }

  1256.         else

  1257.         {

  1258.             // Check if current program is invalid

  1259.             bool programChanged = false;

  1260. 

  1261.             if (newCount == oldCount+1)

  1262.             {

  1263.                 // one midi program added, probably created by user

  1264.                 pData->midiprog.current = static_cast<int32_t>(oldCount);

  1265.                 programChanged = true;

  1266.             }

  1267.             else if (current < 0 && newCount > 0)

  1268.             {

  1269.                 // programs exist now, but not before

  1270.                 pData->midiprog.current = 0;

  1271.                 programChanged = true;

  1272.             }

  1273.             else if (current >= 0 && newCount == 0)

  1274.             {

  1275.                 // programs existed before, but not anymore

  1276.                 pData->midiprog.current = -1;

  1277.                 programChanged = true;

  1278.             }

  1279.             else if (current >= static_cast<int32_t>(newCount))

  1280.             {

  1281.                 // current midi program > count

  1282.                 pData->midiprog.current = 0;

  1283.                 programChanged = true;

  1284.             }

  1285.             else

  1286.             {

  1287.                 // no change

  1288.                 pData->midiprog.current = current;

  1289.             }

  1290. 

  1291.             if (programChanged)

  1292.                 setMidiProgram(pData->midiprog.current, true, true, true);

  1293. 

  1294.             pData->engine->callback(ENGINE_CALLBACK_RELOAD_PROGRAMS, pData->id, 0, 0, 0.0f, nullptr);

  1295.         }

  1296.     }

  1297. 

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

  1299.     // Plugin processing

  1300. 

  1301.     void activate() noexcept override

  1302.     {

  1303.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1304.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  1305. 

  1306.         if (fDescriptor->activate != nullptr)

  1307.         {

  1308.             try {

  1309.                 fDescriptor->activate(fHandle);

  1310.             } CARLA_SAFE_EXCEPTION("DSSI activate");

  1311. 

  1312.             if (fHandle2 != nullptr)

  1313.             {

  1314.                 try {

  1315.                     fDescriptor->activate(fHandle2);

  1316.                 } CARLA_SAFE_EXCEPTION("DSSI activate #2");

  1317.             }

  1318.         }

  1319.     }

  1320. 

  1321.     void deactivate() noexcept override

  1322.     {

  1323.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1324.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  1325. 

  1326.         if (fDescriptor->deactivate != nullptr)

  1327.         {

  1328.             try {

  1329.                 fDescriptor->deactivate(fHandle);

  1330.             } CARLA_SAFE_EXCEPTION("DSSI deactivate");

  1331. 

  1332.             if (fHandle2 != nullptr)

  1333.             {

  1334.                 try {

  1335.                     fDescriptor->deactivate(fHandle2);

  1336.                 } CARLA_SAFE_EXCEPTION("DSSI deactivate #2");

  1337.             }

  1338.         }

  1339.     }

  1340. 

  1341.     void process(const float** const audioIn, float** const audioOut, const float** const cvIn, float** const cvOut, const uint32_t frames) override

  1342.     {

  1343.         // --------------------------------------------------------------------------------------------------------

  1344.         // Check if active

  1345. 

  1346.         if (! pData->active)

  1347.         {

  1348.             // disable any output sound

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

  1350.                 FloatVectorOperations::clear(audioOut[i], static_cast<int>(frames));

  1351.             for (uint32_t i=0; i < pData->cvOut.count; ++i)

  1352.                 FloatVectorOperations::clear(cvOut[i], static_cast<int>(frames));

  1353.             return;

  1354.         }

  1355. 

  1356.         ulong midiEventCount = 0;

  1357.         carla_zeroStruct<snd_seq_event_t>(fMidiEvents, kPluginMaxMidiEvents);

  1358. 

  1359.         // --------------------------------------------------------------------------------------------------------

  1360.         // Check if needs reset

  1361. 

  1362.         if (pData->needsReset)

  1363.         {

  1364.             if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1365.             {

  1366.                 midiEventCount = MAX_MIDI_CHANNELS*2;

  1367. 

  1368.                 for (uchar i=0, k=MAX_MIDI_CHANNELS; i < MAX_MIDI_CHANNELS; ++i)

  1369.                 {

  1370.                     fMidiEvents[i].type = SND_SEQ_EVENT_CONTROLLER;

  1371.                     fMidiEvents[i].data.control.channel = i;

  1372.                     fMidiEvents[i].data.control.param   = MIDI_CONTROL_ALL_NOTES_OFF;

  1373. 

  1374.                     fMidiEvents[k+i].type = SND_SEQ_EVENT_CONTROLLER;

  1375.                     fMidiEvents[k+i].data.control.channel = i;

  1376.                     fMidiEvents[k+i].data.control.param   = MIDI_CONTROL_ALL_SOUND_OFF;

  1377.                 }

  1378.             }

  1379.             else if (pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1380.             {

  1381.                 midiEventCount = MAX_MIDI_NOTE;

  1382. 

  1383.                 for (uchar i=0; i < MAX_MIDI_NOTE; ++i)

  1384.                 {

  1385.                     fMidiEvents[i].type = SND_SEQ_EVENT_NOTEOFF;

  1386.                     fMidiEvents[i].data.note.channel = static_cast<uchar>(pData->ctrlChannel);

  1387.                     fMidiEvents[i].data.note.note    = i;

  1388.                 }

  1389.             }

  1390. 

  1391. #ifndef BUILD_BRIDGE

  1392.             if (pData->latency > 0)

  1393.             {

  1394.                 for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1395.                     FloatVectorOperations::clear(pData->latencyBuffers[i], static_cast<int>(pData->latency));

  1396.             }

  1397. #endif

  1398. 

  1399.             pData->needsReset = false;

  1400.         }

  1401. 

  1402.         // --------------------------------------------------------------------------------------------------------

  1403.         // Event Input and Processing

  1404. 

  1405.         if (pData->event.portIn != nullptr)

  1406.         {

  1407.             // ----------------------------------------------------------------------------------------------------

  1408.             // MIDI Input (External)

  1409. 

  1410.             if (pData->extNotes.mutex.tryLock())

  1411.             {

  1412.                 ExternalMidiNote note = { 0, 0, 0 };

  1413. 

  1414.                 for (; midiEventCount < kPluginMaxMidiEvents && ! pData->extNotes.data.isEmpty();)

  1415.                 {

  1416.                     note = pData->extNotes.data.getFirst(note, true);

  1417. 

  1418.                     CARLA_SAFE_ASSERT_CONTINUE(note.channel >= 0 && note.channel < MAX_MIDI_CHANNELS);

  1419. 

  1420.                     snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1421. 

  1422.                     seqEvent.type               = (note.velo > 0) ? SND_SEQ_EVENT_NOTEON : SND_SEQ_EVENT_NOTEOFF;

  1423.                     seqEvent.data.note.channel  = static_cast<uchar>(note.channel);

  1424.                     seqEvent.data.note.note     = note.note;

  1425.                     seqEvent.data.note.velocity = note.velo;

  1426.                 }

  1427. 

  1428.                 pData->extNotes.mutex.unlock();

  1429. 

  1430.             } // End of MIDI Input (External)

  1431. 

  1432.             // ----------------------------------------------------------------------------------------------------

  1433.             // Event Input (System)

  1434. 

  1435. #ifndef BUILD_BRIDGE

  1436.             bool       allNotesOffSent  = false;

  1437. #endif

  1438.             const bool isSampleAccurate = (pData->options & PLUGIN_OPTION_FIXED_BUFFERS) == 0;

  1439. 

  1440.             uint32_t startTime  = 0;

  1441.             uint32_t timeOffset = 0;

  1442.             uint32_t nextBankId;

  1443. 

  1444.             if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1445.                 nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1446.             else

  1447.                 nextBankId = 0;

  1448. 

  1449.             for (uint32_t i=0, numEvents=pData->event.portIn->getEventCount(); i < numEvents; ++i)

  1450.             {

  1451.                 const EngineEvent& event(pData->event.portIn->getEvent(i));

  1452. 

  1453.                 if (event.time >= frames)

  1454.                     continue;

  1455. 

  1456.                 CARLA_ASSERT_INT2(event.time >= timeOffset, event.time, timeOffset);

  1457. 

  1458.                 if (isSampleAccurate && event.time > timeOffset)

  1459.                 {

  1460.                     if (processSingle(audioIn, audioOut, cvIn, cvOut, event.time - timeOffset, timeOffset, midiEventCount))

  1461.                     {

  1462.                         startTime  = 0;

  1463.                         timeOffset = event.time;

  1464.                         midiEventCount = 0;

  1465. 

  1466.                         if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1467.                             nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1468.                         else

  1469.                             nextBankId = 0;

  1470.                     }

  1471.                     else

  1472.                         startTime += timeOffset;

  1473.                 }

  1474. 

  1475.                 switch (event.type)

  1476.                 {

  1477.                 case kEngineEventTypeNull:

  1478.                     break;

  1479. 

  1480.                 case kEngineEventTypeControl: {

  1481.                     const EngineControlEvent& ctrlEvent(event.ctrl);

  1482. 

  1483.                     switch (ctrlEvent.type)

  1484.                     {

  1485.                     case kEngineControlEventTypeNull:

  1486.                         break;

  1487. 

  1488.                     case kEngineControlEventTypeParameter: {

  1489. #ifndef BUILD_BRIDGE

  1490.                         // Control backend stuff

  1491.                         if (event.channel == pData->ctrlChannel)

  1492.                         {

  1493.                             float value;

  1494. 

  1495.                             if (MIDI_IS_CONTROL_BREATH_CONTROLLER(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_DRYWET) != 0)

  1496.                             {

  1497.                                 value = ctrlEvent.value;

  1498.                                 setDryWet(value, false, false);

  1499.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_DRYWET, 0, value);

  1500.                                 break;

  1501.                             }

  1502. 

  1503.                             if (MIDI_IS_CONTROL_CHANNEL_VOLUME(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_VOLUME) != 0)

  1504.                             {

  1505.                                 value = ctrlEvent.value*127.0f/100.0f;

  1506.                                 setVolume(value, false, false);

  1507.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_VOLUME, 0, value);

  1508.                                 break;

  1509.                             }

  1510. 

  1511.                             if (MIDI_IS_CONTROL_BALANCE(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_BALANCE) != 0)

  1512.                             {

  1513.                                 float left, right;

  1514.                                 value = ctrlEvent.value/0.5f - 1.0f;

  1515. 

  1516.                                 if (value < 0.0f)

  1517.                                 {

  1518.                                     left  = -1.0f;

  1519.                                     right = (value*2.0f)+1.0f;

  1520.                                 }

  1521.                                 else if (value > 0.0f)

  1522.                                 {

  1523.                                     left  = (value*2.0f)-1.0f;

  1524.                                     right = 1.0f;

  1525.                                 }

  1526.                                 else

  1527.                                 {

  1528.                                     left  = -1.0f;

  1529.                                     right = 1.0f;

  1530.                                 }

  1531. 

  1532.                                 setBalanceLeft(left, false, false);

  1533.                                 setBalanceRight(right, false, false);

  1534.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_LEFT, 0, left);

  1535.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_RIGHT, 0, right);

  1536.                                 break;

  1537.                             }

  1538.                         }

  1539. #endif

  1540.                         // Control plugin parameters

  1541.                         uint32_t k;

  1542.                         for (k=0; k < pData->param.count; ++k)

  1543.                         {

  1544.                             if (pData->param.data[k].midiChannel != event.channel)

  1545.                                 continue;

  1546.                             if (pData->param.data[k].midiCC != ctrlEvent.param)

  1547.                                 continue;

  1548.                             if (pData->param.data[k].type != PARAMETER_INPUT)

  1549.                                 continue;

  1550.                             if ((pData->param.data[k].hints & PARAMETER_IS_AUTOMABLE) == 0)

  1551.                                 continue;

  1552. 

  1553.                             float value;

  1554. 

  1555.                             if (pData->param.data[k].hints & PARAMETER_IS_BOOLEAN)

  1556.                             {

  1557.                                 value = (ctrlEvent.value < 0.5f) ? pData->param.ranges[k].min : pData->param.ranges[k].max;

  1558.                             }

  1559.                             else

  1560.                             {

  1561.                                 value = pData->param.ranges[k].getUnnormalizedValue(ctrlEvent.value);

  1562. 

  1563.                                 if (pData->param.data[k].hints & PARAMETER_IS_INTEGER)

  1564.                                     value = std::rint(value);

  1565.                             }

  1566. 

  1567.                             setParameterValue(k, value, false, false, false);

  1568.                             pData->postponeRtEvent(kPluginPostRtEventParameterChange, static_cast<int32_t>(k), 0, value);

  1569.                             break;

  1570.                         }

  1571. 

  1572.                         // check if event is already handled

  1573.                         if (k != pData->param.count)

  1574.                             break;

  1575. 

  1576.                         if ((pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0 && ctrlEvent.param < MAX_MIDI_CONTROL)

  1577.                         {

  1578.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1579.                                 continue;

  1580. 

  1581.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1582. 

  1583.                             seqEvent.time.tick = isSampleAccurate ? startTime : event.time;

  1584. 

  1585.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1586.                             seqEvent.data.control.channel = event.channel;

  1587.                             seqEvent.data.control.param   = ctrlEvent.param;

  1588.                             seqEvent.data.control.value   = int8_t(ctrlEvent.value*127.0f);

  1589.                         }

  1590.                         break;

  1591.                     } // case kEngineControlEventTypeParameter

  1592. 

  1593.                     case kEngineControlEventTypeMidiBank:

  1594.                         if (event.channel == pData->ctrlChannel && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1595.                             nextBankId = ctrlEvent.param;

  1596.                         break;

  1597. 

  1598.                     case kEngineControlEventTypeMidiProgram:

  1599.                         if (event.channel == pData->ctrlChannel && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1600.                         {

  1601.                             const uint32_t nextProgramId = ctrlEvent.param;

  1602. 

  1603.                             for (uint32_t k=0; k < pData->midiprog.count; ++k)

  1604.                             {

  1605.                                 if (pData->midiprog.data[k].bank == nextBankId && pData->midiprog.data[k].program == nextProgramId)

  1606.                                 {

  1607.                                     const int32_t index(static_cast<int32_t>(k));

  1608.                                     setMidiProgram(index, false, false, false);

  1609.                                     pData->postponeRtEvent(kPluginPostRtEventMidiProgramChange, index, 0, 0.0f);

  1610.                                     break;

  1611.                                 }

  1612.                             }

  1613.                         }

  1614.                         break;

  1615. 

  1616.                     case kEngineControlEventTypeAllSoundOff:

  1617.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1618.                         {

  1619.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1620.                                 continue;

  1621. 

  1622.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1623. 

  1624.                             seqEvent.time.tick = isSampleAccurate ? startTime : event.time;

  1625. 

  1626.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1627.                             seqEvent.data.control.channel = event.channel;

  1628.                             seqEvent.data.control.param   = MIDI_CONTROL_ALL_SOUND_OFF;

  1629.                         }

  1630.                         break;

  1631. 

  1632.                     case kEngineControlEventTypeAllNotesOff:

  1633.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1634.                         {

  1635. #ifndef BUILD_BRIDGE

  1636.                             if (event.channel == pData->ctrlChannel && ! allNotesOffSent)

  1637.                             {

  1638.                                 allNotesOffSent = true;

  1639.                                 sendMidiAllNotesOffToCallback();

  1640.                             }

  1641. #endif

  1642. 

  1643.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1644.                                 continue;

  1645. 

  1646.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1647. 

  1648.                             seqEvent.time.tick = isSampleAccurate ? startTime : event.time;

  1649. 

  1650.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

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

  1652.                             seqEvent.data.control.param   = MIDI_CONTROL_ALL_NOTES_OFF;

  1653.                         }

  1654.                         break;

  1655.                     } // switch (ctrlEvent.type)

  1656.                     break;

  1657.                 } // case kEngineEventTypeControl

  1658. 

  1659.                 case kEngineEventTypeMidi: {

  1660.                     if (midiEventCount >= kPluginMaxMidiEvents)

  1661.                         continue;

  1662. 

  1663.                     const EngineMidiEvent& midiEvent(event.midi);

  1664. 

  1665.                     if (midiEvent.size > EngineMidiEvent::kDataSize)

  1666.                         continue;

  1667. 

  1668.                     uint8_t status = uint8_t(MIDI_GET_STATUS_FROM_DATA(midiEvent.data));

  1669. 

  1670.                     // Fix bad note-off (per DSSI spec)

  1671.                     if (status == MIDI_STATUS_NOTE_ON && midiEvent.data[2] == 0)

  1672.                         status = MIDI_STATUS_NOTE_OFF;

  1673. 

  1674.                     snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1675. 

  1676.                     seqEvent.time.tick = isSampleAccurate ? startTime : event.time;

  1677. 

  1678.                     switch (status)

  1679.                     {

  1680.                     case MIDI_STATUS_NOTE_OFF: {

  1681.                         const uint8_t note = midiEvent.data[1];

  1682. 

  1683.                         seqEvent.type = SND_SEQ_EVENT_NOTEOFF;

  1684.                         seqEvent.data.note.channel = event.channel;

  1685.                         seqEvent.data.note.note    = note;

  1686. 

  1687.                         pData->postponeRtEvent(kPluginPostRtEventNoteOff, event.channel, note, 0.0f);

  1688.                         break;

  1689.                     }

  1690. 

  1691.                     case MIDI_STATUS_NOTE_ON: {

  1692.                         const uint8_t note = midiEvent.data[1];

  1693.                         const uint8_t velo = midiEvent.data[2];

  1694. 

  1695.                         seqEvent.type = SND_SEQ_EVENT_NOTEON;

  1696.                         seqEvent.data.note.channel  = event.channel;

  1697.                         seqEvent.data.note.note     = note;

  1698.                         seqEvent.data.note.velocity = velo;

  1699. 

  1700.                         pData->postponeRtEvent(kPluginPostRtEventNoteOn, event.channel, note, velo);

  1701.                         break;

  1702.                     }

  1703. 

  1704.                     case MIDI_STATUS_POLYPHONIC_AFTERTOUCH:

  1705.                         if (pData->options & PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH)

  1706.                         {

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

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

  1709. 

  1710.                             seqEvent.type = SND_SEQ_EVENT_KEYPRESS;

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

  1712.                             seqEvent.data.note.note     = note;

  1713.                             seqEvent.data.note.velocity = pressure;

  1714.                         }

  1715.                         break;

  1716. 

  1717.                     case MIDI_STATUS_CONTROL_CHANGE:

  1718.                         if (pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES)

  1719.                         {

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

  1721.                             const uint8_t value   = midiEvent.data[2];

  1722. 

  1723.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1724.                             seqEvent.data.control.channel = event.channel;

  1725.                             seqEvent.data.control.param   = control;

  1726.                             seqEvent.data.control.value   = value;

  1727.                         }

  1728.                         break;

  1729. 

  1730.                     case MIDI_STATUS_CHANNEL_PRESSURE:

  1731.                         if (pData->options & PLUGIN_OPTION_SEND_CHANNEL_PRESSURE)

  1732.                         {

  1733.                             const uint8_t pressure = midiEvent.data[1];

  1734. 

  1735.                             seqEvent.type = SND_SEQ_EVENT_CHANPRESS;

  1736.                             seqEvent.data.control.channel = event.channel;

  1737.                             seqEvent.data.control.value   = pressure;

  1738.                         }

  1739.                         break;

  1740. 

  1741.                     case MIDI_STATUS_PITCH_WHEEL_CONTROL:

  1742.                         if (pData->options & PLUGIN_OPTION_SEND_PITCHBEND)

  1743.                         {

  1744.                             const uint8_t lsb = midiEvent.data[1];

  1745.                             const uint8_t msb = midiEvent.data[2];

  1746. 

  1747.                             seqEvent.type = SND_SEQ_EVENT_PITCHBEND;

  1748.                             seqEvent.data.control.channel = event.channel;

  1749.                             seqEvent.data.control.value   = ((msb << 7) | lsb) - 8192;

  1750.                         }

  1751.                         break;

  1752. 

  1753.                     default:

  1754.                         --midiEventCount;

  1755.                         break;

  1756.                     } // switch (status)

  1757.                 } break;

  1758.                 } // switch (event.type)

  1759.             }

  1760. 

  1761.             pData->postRtEvents.trySplice();

  1762. 

  1763.             if (frames > timeOffset)

  1764.                 processSingle(audioIn, audioOut, cvIn, cvOut, frames - timeOffset, timeOffset, midiEventCount);

  1765. 

  1766.         } // End of Event Input and Processing

  1767. 

  1768.         // --------------------------------------------------------------------------------------------------------

  1769.         // Plugin processing (no events)

  1770. 

  1771.         else

  1772.         {

  1773.             processSingle(audioIn, audioOut, cvIn, cvOut, frames, 0, midiEventCount);

  1774. 

  1775.         } // End of Plugin processing (no events)

  1776. 

  1777. #ifndef BUILD_BRIDGE

  1778.         // --------------------------------------------------------------------------------------------------------

  1779.         // Latency, save values for next callback

  1780. 

  1781.         if (fLatencyIndex != -1)

  1782.         {

  1783.             if (pData->latency != static_cast<uint32_t>(fParamBuffers[fLatencyIndex]))

  1784.             {

  1785.                 fLatencyChanged = true;

  1786.             }

  1787.             else if (pData->latency > 0)

  1788.             {

  1789.                 if (pData->latency <= frames)

  1790.                 {

  1791.                     for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1792.                         FloatVectorOperations::copy(pData->latencyBuffers[i], audioIn[i]+(frames-pData->latency), static_cast<int>(pData->latency));

  1793.                 }

  1794.                 else

  1795.                 {

  1796.                     for (uint32_t i=0, j, k; i < pData->audioIn.count; ++i)

  1797.                     {

  1798.                         for (k=0; k < pData->latency-frames; ++k)

  1799.                             pData->latencyBuffers[i][k] = pData->latencyBuffers[i][k+frames];

  1800.                         for (j=0; k < pData->latency; ++j, ++k)

  1801.                             pData->latencyBuffers[i][k] = audioIn[i][j];

  1802.                     }

  1803.                 }

  1804.             }

  1805.         }

  1806. 

  1807.         // --------------------------------------------------------------------------------------------------------

  1808.         // Control Output

  1809. 

  1810.         if (pData->event.portOut != nullptr)

  1811.         {

  1812.             uint8_t  channel;

  1813.             uint16_t param;

  1814.             float    value;

  1815. 

  1816.             for (uint32_t k=0; k < pData->param.count; ++k)

  1817.             {

  1818.                 if (pData->param.data[k].type != PARAMETER_OUTPUT)

  1819.                     continue;

  1820. 

  1821.                 pData->param.ranges[k].fixValue(fParamBuffers[k]);

  1822. 

  1823.                 if (pData->param.data[k].midiCC > 0)

  1824.                 {

  1825.                     channel = pData->param.data[k].midiChannel;

  1826.                     param   = static_cast<uint16_t>(pData->param.data[k].midiCC);

  1827.                     value   = pData->param.ranges[k].getNormalizedValue(fParamBuffers[k]);

  1828.                     pData->event.portOut->writeControlEvent(0, channel, kEngineControlEventTypeParameter, param, value);

  1829.                 }

  1830.             }

  1831.         } // End of Control Output

  1832. #endif

  1833.     }

  1834. 

  1835.     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)

  1836.     {

  1837.         CARLA_SAFE_ASSERT_RETURN(frames > 0, false);

  1838. 

  1839.         if (pData->audioIn.count > 0)

  1840.         {

  1841.             CARLA_SAFE_ASSERT_RETURN(audioIn != nullptr, false);

  1842.         }

  1843.         if (pData->audioOut.count > 0)

  1844.         {

  1845.             CARLA_SAFE_ASSERT_RETURN(audioOut != nullptr, false);

  1846.         }

  1847.         if (pData->cvIn.count > 0)

  1848.         {

  1849.             CARLA_SAFE_ASSERT_RETURN(cvIn != nullptr, false);

  1850.         }

  1851.         if (pData->cvOut.count > 0)

  1852.         {

  1853.             CARLA_SAFE_ASSERT_RETURN(cvOut != nullptr, false);

  1854.         }

  1855. 

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

  1857.         // Try lock, silence otherwise

  1858. 

  1859.         if (pData->engine->isOffline())

  1860.         {

  1861.             pData->singleMutex.lock();

  1862.         }

  1863.         else if (! pData->singleMutex.tryLock())

  1864.         {

  1865.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1866.             {

  1867.                 for (uint32_t k=0; k < frames; ++k)

  1868.                     audioOut[i][k+timeOffset] = 0.0f;

  1869.             }

  1870.             for (uint32_t i=0; i < pData->cvOut.count; ++i)

  1871.             {

  1872.                 for (uint32_t k=0; k < frames; ++k)

  1873.                     cvOut[i][k+timeOffset] = 0.0f;

  1874.             }

  1875. 

  1876.             return false;

  1877.         }

  1878. 

  1879.         // --------------------------------------------------------------------------------------------------------

  1880.         // Set audio buffers

  1881. 

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

  1883.             FloatVectorOperations::copy(fAudioInBuffers[i], audioIn[i]+timeOffset, static_cast<int>(frames));

  1884. 

  1885.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1886.             FloatVectorOperations::clear(fAudioOutBuffers[i], static_cast<int>(frames));

  1887. 

  1888. #if 0

  1889.         // --------------------------------------------------------------------------------------------------------

  1890.         // Set CV buffers

  1891. 

  1892.         for (uint32_t i=0; i < pData->cvIn.count; ++i)

  1893.             FloatVectorOperations::copy(fCvInBuffers[i], cvIn[i]+timeOffset, static_cast<int>(frames));

  1894. 

  1895.         for (uint32_t i=0; i < pData->cvOut.count; ++i)

  1896.             FloatVectorOperations::clear(fCvOutBuffers[i], static_cast<int>(frames));

  1897. #endif

  1898. 

  1899.         // --------------------------------------------------------------------------------------------------------

  1900.         // Run plugin

  1901. 

  1902.         // TODO - try catch

  1903. 

  1904.         if (fDssiDescriptor->run_synth != nullptr)

  1905.         {

  1906.             fDssiDescriptor->run_synth(fHandle, frames, fMidiEvents, midiEventCount);

  1907. 

  1908.             if (fHandle2 != nullptr)

  1909.                 fDssiDescriptor->run_synth(fHandle2, frames, fMidiEvents, midiEventCount);

  1910.         }

  1911.         else if (fDssiDescriptor->run_multiple_synths != nullptr)

  1912.         {

  1913.             ulong instances = (fHandle2 != nullptr) ? 2 : 1;

  1914.             LADSPA_Handle handlePtr[2] = { fHandle, fHandle2 };

  1915.             snd_seq_event_t* midiEventsPtr[2] = { fMidiEvents, fMidiEvents };

  1916.             ulong midiEventCountPtr[2] = { midiEventCount, midiEventCount };

  1917.             fDssiDescriptor->run_multiple_synths(instances, handlePtr, frames, midiEventsPtr, midiEventCountPtr);

  1918.         }

  1919.         else

  1920.         {

  1921.             fDescriptor->run(fHandle, frames);

  1922. 

  1923.             if (fHandle2 != nullptr)

  1924.                 fDescriptor->run(fHandle2, frames);

  1925.         }

  1926. 

  1927. #ifndef BUILD_BRIDGE

  1928.         // --------------------------------------------------------------------------------------------------------

  1929.         // Post-processing (dry/wet, volume and balance)

  1930. 

  1931.         {

  1932.             const bool doDryWet  = (pData->hints & PLUGIN_CAN_DRYWET) != 0 && ! carla_compareFloats(pData->postProc.dryWet, 1.0f);

  1933.             const bool doBalance = (pData->hints & PLUGIN_CAN_BALANCE) != 0 && ! (carla_compareFloats(pData->postProc.balanceLeft, -1.0f) && carla_compareFloats(pData->postProc.balanceRight, 1.0f));

  1934.             const bool isMono    = (pData->audioIn.count == 1);

  1935. 

  1936.             bool isPair;

  1937.             float bufValue, oldBufLeft[doBalance ? frames : 1];

  1938. 

  1939.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1940.             {

  1941.                 // Dry/Wet

  1942.                 if (doDryWet)

  1943.                 {

  1944.                     for (uint32_t k=0; k < frames; ++k)

  1945.                     {

  1946.                         if (k < pData->latency)

  1947.                             bufValue = pData->latencyBuffers[isMono ? 0 : i][k];

  1948.                         else if (pData->latency < frames)

  1949.                             bufValue = fAudioInBuffers[isMono ? 0 : i][k-pData->latency];

  1950.                         else

  1951.                             bufValue = fAudioInBuffers[isMono ? 0 : i][k];

  1952. 

  1953.                         fAudioOutBuffers[i][k] = (fAudioOutBuffers[i][k] * pData->postProc.dryWet) + (bufValue * (1.0f - pData->postProc.dryWet));

  1954.                     }

  1955.                 }

  1956. 

  1957.                 // Balance

  1958.                 if (doBalance)

  1959.                 {

  1960.                     isPair = (i % 2 == 0);

  1961. 

  1962.                     if (isPair)

  1963.                     {

  1964.                         CARLA_ASSERT(i+1 < pData->audioOut.count);

  1965.                         FloatVectorOperations::copy(oldBufLeft, fAudioOutBuffers[i], static_cast<int>(frames));

  1966.                     }

  1967. 

  1968.                     float balRangeL = (pData->postProc.balanceLeft  + 1.0f)/2.0f;

  1969.                     float balRangeR = (pData->postProc.balanceRight + 1.0f)/2.0f;

  1970. 

  1971.                     for (uint32_t k=0; k < frames; ++k)

  1972.                     {

  1973.                         if (isPair)

  1974.                         {

  1975.                             // left

  1976.                             fAudioOutBuffers[i][k]  = oldBufLeft[k]            * (1.0f - balRangeL);

  1977.                             fAudioOutBuffers[i][k] += fAudioOutBuffers[i+1][k] * (1.0f - balRangeR);

  1978.                         }

  1979.                         else

  1980.                         {

  1981.                             // right

  1982.                             fAudioOutBuffers[i][k]  = fAudioOutBuffers[i][k] * balRangeR;

  1983.                             fAudioOutBuffers[i][k] += oldBufLeft[k]          * balRangeL;

  1984.                         }

  1985.                     }

  1986.                 }

  1987. 

  1988.                 // Volume (and buffer copy)

  1989.                 {

  1990.                     for (uint32_t k=0; k < frames; ++k)

  1991.                         audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k] * pData->postProc.volume;

  1992.                 }

  1993.             }

  1994. 

  1995.         } // End of Post-processing

  1996. 

  1997. #else // BUILD_BRIDGE

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

  1999.         {

  2000.             for (uint32_t k=0; k < frames; ++k)

  2001.                 audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k];

  2002.         }

  2003. #endif

  2004. 

  2005. #if 0

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

  2007.         {

  2008.             for (uint32_t k=0; k < frames; ++k)

  2009.                 cvOut[i][k+timeOffset] = fCvOutBuffers[i][k];

  2010.         }

  2011. #endif

  2012. 

  2013.         // --------------------------------------------------------------------------------------------------------

  2014. 

  2015.         pData->singleMutex.unlock();

  2016.         return true;

  2017.     }

  2018. 

  2019.     void bufferSizeChanged(const uint32_t newBufferSize) override

  2020.     {

  2021.         CARLA_ASSERT_INT(newBufferSize > 0, newBufferSize);

  2022.         carla_debug("CarlaPluginDSSI::bufferSizeChanged(%i) - start", newBufferSize);

  2023. 

  2024.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2025.         {

  2026.             if (fAudioInBuffers[i] != nullptr)

  2027.                 delete[] fAudioInBuffers[i];

  2028.             fAudioInBuffers[i] = new float[newBufferSize];

  2029.         }

  2030. 

  2031.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2032.         {

  2033.             if (fAudioOutBuffers[i] != nullptr)

  2034.                 delete[] fAudioOutBuffers[i];

  2035.             fAudioOutBuffers[i] = new float[newBufferSize];

  2036.         }

  2037. 

  2038.         if (fHandle2 == nullptr)

  2039.         {

  2040.             for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2041.             {

  2042.                 CARLA_ASSERT(fAudioInBuffers[i] != nullptr);

  2043. 

  2044.                 try {

  2045.                     fDescriptor->connect_port(fHandle, pData->audioIn.ports[i].rindex, fAudioInBuffers[i]);

  2046.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port audio input");

  2047.             }

  2048. 

  2049.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2050.             {

  2051.                 CARLA_ASSERT(fAudioOutBuffers[i] != nullptr);

  2052. 

  2053.                 try {

  2054.                     fDescriptor->connect_port(fHandle, pData->audioOut.ports[i].rindex, fAudioOutBuffers[i]);

  2055.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port audio output");

  2056.             }

  2057.         }

  2058.         else

  2059.         {

  2060.             if (pData->audioIn.count > 0)

  2061.             {

  2062.                 CARLA_ASSERT(pData->audioIn.count == 2);

  2063.                 CARLA_ASSERT(fAudioInBuffers[0] != nullptr);

  2064.                 CARLA_ASSERT(fAudioInBuffers[1] != nullptr);

  2065. 

  2066.                 try {

  2067.                     fDescriptor->connect_port(fHandle, pData->audioIn.ports[0].rindex, fAudioInBuffers[0]);

  2068.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port audio input #1");

  2069. 

  2070.                 try {

  2071.                     fDescriptor->connect_port(fHandle2, pData->audioIn.ports[1].rindex, fAudioInBuffers[1]);

  2072.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port audio input #2");

  2073.             }

  2074. 

  2075.             if (pData->audioOut.count > 0)

  2076.             {

  2077.                 CARLA_ASSERT(pData->audioOut.count == 2);

  2078.                 CARLA_ASSERT(fAudioOutBuffers[0] != nullptr);

  2079.                 CARLA_ASSERT(fAudioOutBuffers[1] != nullptr);

  2080. 

  2081.                 try {

  2082.                     fDescriptor->connect_port(fHandle, pData->audioOut.ports[0].rindex, fAudioOutBuffers[0]);

  2083.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port audio output #1");

  2084. 

  2085.                 try {

  2086.                     fDescriptor->connect_port(fHandle2, pData->audioOut.ports[1].rindex, fAudioOutBuffers[1]);

  2087.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port audio output #2");

  2088.             }

  2089.         }

  2090. 

  2091.         carla_debug("CarlaPluginDSSI::bufferSizeChanged(%i) - end", newBufferSize);

  2092.     }

  2093. 

  2094.     void sampleRateChanged(const double newSampleRate) override

  2095.     {

  2096.         CARLA_ASSERT_INT(newSampleRate > 0.0, newSampleRate);

  2097.         carla_debug("CarlaPluginDSSI::sampleRateChanged(%g) - start", newSampleRate);

  2098. 

  2099.         // TODO

  2100.         (void)newSampleRate;

  2101. 

  2102.         carla_debug("CarlaPluginDSSI::sampleRateChanged(%g) - end", newSampleRate);

  2103.     }

  2104. 

  2105.     // -------------------------------------------------------------------

  2106.     // Plugin buffers

  2107. 

  2108.     void clearBuffers() noexcept override

  2109.     {

  2110.         carla_debug("CarlaPluginDSSI::clearBuffers() - start");

  2111. 

  2112.         if (fAudioInBuffers != nullptr)

  2113.         {

  2114.             for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2115.             {

  2116.                 if (fAudioInBuffers[i] != nullptr)

  2117.                 {

  2118.                     delete[] fAudioInBuffers[i];

  2119.                     fAudioInBuffers[i] = nullptr;

  2120.                 }

  2121.             }

  2122. 

  2123.             delete[] fAudioInBuffers;

  2124.             fAudioInBuffers = nullptr;

  2125.         }

  2126. 

  2127.         if (fAudioOutBuffers != nullptr)

  2128.         {

  2129.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2130.             {

  2131.                 if (fAudioOutBuffers[i] != nullptr)

  2132.                 {

  2133.                     delete[] fAudioOutBuffers[i];

  2134.                     fAudioOutBuffers[i] = nullptr;

  2135.                 }

  2136.             }

  2137. 

  2138.             delete[] fAudioOutBuffers;

  2139.             fAudioOutBuffers = nullptr;

  2140.         }

  2141. 

  2142.         if (fParamBuffers != nullptr)

  2143.         {

  2144.             delete[] fParamBuffers;

  2145.             fParamBuffers = nullptr;

  2146.         }

  2147. 

  2148.         CarlaPlugin::clearBuffers();

  2149. 

  2150.         carla_debug("CarlaPluginDSSI::clearBuffers() - end");

  2151.     }

  2152. 

  2153. #ifdef HAVE_LIBLO

  2154.     // -------------------------------------------------------------------

  2155.     // OSC stuff

  2156. 

  2157.     void handleOscMessage(const char* const method, const int argc, const void* const argvx, const char* const types, const lo_message msg) override

  2158.     {

  2159.         const lo_address source(lo_message_get_source(msg));

  2160.         CARLA_SAFE_ASSERT_RETURN(source != nullptr,);

  2161. 

  2162.         // protocol for DSSI UIs *must* be UDP

  2163.         CARLA_SAFE_ASSERT_RETURN(lo_address_get_protocol(source) == LO_UDP,);

  2164. 

  2165.         if (fOscData.source == nullptr)

  2166.         {

  2167.             // if no UI is registered yet only "update" message is valid

  2168.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(method, "update") == 0,)

  2169.         }

  2170.         else

  2171.         {

  2172.             // make sure message source is the DSSI UI

  2173.             const char* const msghost = lo_address_get_hostname(source);

  2174.             const char* const msgport = lo_address_get_port(source);

  2175. 

  2176.             const char* const ourhost = lo_address_get_hostname(fOscData.source);

  2177.             const char* const ourport = lo_address_get_port(fOscData.source);

  2178. 

  2179.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(msghost, ourhost) == 0,);

  2180.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(msgport, ourport) == 0,);

  2181.         }

  2182. 

  2183.         const lo_arg* const* const argv(static_cast<const lo_arg* const* const>(argvx));

  2184. 

  2185.         if (std::strcmp(method, "configure") == 0)

  2186.             return handleOscMessageConfigure(argc, argv, types);

  2187.         if (std::strcmp(method, "control") == 0)

  2188.             return handleOscMessageControl(argc, argv, types);

  2189.         if (std::strcmp(method, "program") == 0)

  2190.             return handleOscMessageProgram(argc, argv, types);

  2191.         if (std::strcmp(method, "midi") == 0)

  2192.             return handleOscMessageMIDI(argc, argv, types);

  2193.         if (std::strcmp(method, "update") == 0)

  2194.             return handleOscMessageUpdate(argc, argv, types, lo_message_get_source(msg));

  2195.         if (std::strcmp(method, "exiting") == 0)

  2196.             return handleOscMessageExiting();

  2197. 

  2198.         carla_stdout("CarlaPluginDSSI::handleOscMessage() - unknown method '%s'", method);

  2199.     }

  2200. 

  2201.     void handleOscMessageConfigure(const int argc, const lo_arg* const* const argv, const char* const types)

  2202.     {

  2203.         carla_debug("CarlaPluginDSSI::handleMsgConfigure()");

  2204.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "ss");

  2205. 

  2206.         const char* const key   = (const char*)&argv[0]->s;

  2207.         const char* const value = (const char*)&argv[1]->s;

  2208. 

  2209.         setCustomData(CUSTOM_DATA_TYPE_STRING, key, value, false);

  2210.     }

  2211. 

  2212.     void handleOscMessageControl(const int argc, const lo_arg* const* const argv, const char* const types)

  2213.     {

  2214.         carla_debug("CarlaPluginDSSI::handleMsgControl()");

  2215.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "if");

  2216. 

  2217.         const int32_t rindex = argv[0]->i;

  2218.         const float   value  = argv[1]->f;

  2219. 

  2220.         setParameterValueByRealIndex(rindex, value, false, true, true);

  2221.     }

  2222. 

  2223.     void handleOscMessageProgram(const int argc, const lo_arg* const* const argv, const char* const types)

  2224.     {

  2225.         carla_debug("CarlaPluginDSSI::handleMsgProgram()");

  2226.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "ii");

  2227. 

  2228.         const int32_t bank    = argv[0]->i;

  2229.         const int32_t program = argv[1]->i;

  2230. 

  2231.         CARLA_SAFE_ASSERT_RETURN(bank >= 0,);

  2232.         CARLA_SAFE_ASSERT_RETURN(program >= 0,);

  2233. 

  2234.         setMidiProgramById(static_cast<uint32_t>(bank), static_cast<uint32_t>(program), false, true, true);

  2235.     }

  2236. 

  2237.     void handleOscMessageMIDI(const int argc, const lo_arg* const* const argv, const char* const types)

  2238.     {

  2239.         carla_debug("CarlaPluginDSSI::handleMsgMidi()");

  2240.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(1, "m");

  2241. 

  2242.         if (getMidiInCount() == 0)

  2243.         {

  2244.             carla_stderr("CarlaPluginDSSI::handleMsgMidi() - received midi when plugin has no midi inputs");

  2245.             return;

  2246.         }

  2247. 

  2248.         const uint8_t* const data = argv[0]->m;

  2249.         uint8_t status  = data[1];

  2250.         uint8_t channel = status & 0x0F;

  2251. 

  2252.         // Fix bad note-off

  2253.         if (MIDI_IS_STATUS_NOTE_ON(status) && data[3] == 0)

  2254.             status = MIDI_STATUS_NOTE_OFF;

  2255. 

  2256.         if (MIDI_IS_STATUS_NOTE_OFF(status))

  2257.         {

  2258.             const uint8_t note = data[2];

  2259. 

  2260.             CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2261. 

  2262.             sendMidiSingleNote(channel, note, 0, false, true, true);

  2263.         }

  2264.         else if (MIDI_IS_STATUS_NOTE_ON(status))

  2265.         {

  2266.             const uint8_t note = data[2];

  2267.             const uint8_t velo = data[3];

  2268. 

  2269.             CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2270.             CARLA_SAFE_ASSERT_RETURN(velo < MAX_MIDI_VALUE,);

  2271. 

  2272.             sendMidiSingleNote(channel, note, velo, false, true, true);

  2273.         }

  2274.     }

  2275. 

  2276.     void handleOscMessageUpdate(const int argc, const lo_arg* const* const argv, const char* const types, const lo_address source)

  2277.     {

  2278.         carla_debug("CarlaPluginDSSI::handleMsgUpdate()");

  2279.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(1, "s");

  2280. 

  2281.         const char* const url = (const char*)&argv[0]->s;

  2282. 

  2283.         // FIXME - remove debug prints later

  2284.         carla_stdout("CarlaPluginDSSI::updateOscData(%p, \"%s\")", source, url);

  2285. 

  2286.         fOscData.clear();

  2287. 

  2288.         const int proto = lo_address_get_protocol(source);

  2289. 

  2290.         {

  2291.             const char* host = lo_address_get_hostname(source);

  2292.             const char* port = lo_address_get_port(source);

  2293.             fOscData.source = lo_address_new_with_proto(proto, host, port);

  2294. 

  2295.             carla_stdout("CarlaPlugin::updateOscData() - source: host \"%s\", port \"%s\"", host, port);

  2296.         }

  2297. 

  2298.         {

  2299.             char* host = lo_url_get_hostname(url);

  2300.             char* port = lo_url_get_port(url);

  2301.             fOscData.path   = carla_strdup_free(lo_url_get_path(url));

  2302.             fOscData.target = lo_address_new_with_proto(proto, host, port);

  2303.             carla_stdout("CarlaPlugin::updateOscData() - target: host \"%s\", port \"%s\", path \"%s\"", host, port, fOscData.path);

  2304. 

  2305.             std::free(host);

  2306.             std::free(port);

  2307.         }

  2308. 

  2309.         osc_send_sample_rate(fOscData, static_cast<float>(pData->engine->getSampleRate()));

  2310. 

  2311.         for (LinkedList<CustomData>::Itenerator it = pData->custom.begin(); it.valid(); it.next())

  2312.         {

  2313.             const CustomData& customData(it.getValue(kCustomDataFallback));

  2314.             CARLA_SAFE_ASSERT_CONTINUE(customData.isValid());

  2315. 

  2316.             if (std::strcmp(customData.type, CUSTOM_DATA_TYPE_STRING) == 0)

  2317.                 osc_send_configure(fOscData, customData.key, customData.value);

  2318.         }

  2319. 

  2320.         if (pData->prog.current >= 0)

  2321.             osc_send_program(fOscData, static_cast<uint32_t>(pData->prog.current));

  2322. 

  2323.         if (pData->midiprog.current >= 0)

  2324.         {

  2325.             const MidiProgramData& curMidiProg(pData->midiprog.getCurrent());

  2326. 

  2327.             if (getType() == PLUGIN_DSSI)

  2328.                 osc_send_program(fOscData, curMidiProg.bank, curMidiProg.program);

  2329.             else

  2330.                 osc_send_midi_program(fOscData, curMidiProg.bank, curMidiProg.program);

  2331.         }

  2332. 

  2333.         for (uint32_t i=0; i < pData->param.count; ++i)

  2334.             osc_send_control(fOscData, pData->param.data[i].rindex, getParameterValue(i));

  2335. 

  2336.         if ((pData->hints & PLUGIN_HAS_CUSTOM_UI) != 0 && pData->engine->getOptions().frontendWinId != 0)

  2337.             pData->transientTryCounter = 1;

  2338. 

  2339.         carla_stdout("CarlaPluginDSSI::updateOscData() - done");

  2340.     }

  2341. 

  2342.     void handleOscMessageExiting()

  2343.     {

  2344.         carla_debug("CarlaPluginDSSI::handleMsgExiting()");

  2345. 

  2346.         // hide UI

  2347.         showCustomUI(false);

  2348. 

  2349.         // tell frontend

  2350.         pData->engine->callback(ENGINE_CALLBACK_UI_STATE_CHANGED, pData->id, 0, 0, 0.0f, nullptr);

  2351.     }

  2352. #endif

  2353. 

  2354. #ifdef HAVE_LIBLO

  2355.     // -------------------------------------------------------------------

  2356.     // Post-poned UI Stuff

  2357. 

  2358.     void uiParameterChange(const uint32_t index, const float value) noexcept override

  2359.     {

  2360.         CARLA_SAFE_ASSERT_RETURN(index < pData->param.count,);

  2361. 

  2362.         if (fOscData.target == nullptr)

  2363.             return;

  2364. 

  2365.         osc_send_control(fOscData, pData->param.data[index].rindex, value);

  2366.     }

  2367. 

  2368.     void uiMidiProgramChange(const uint32_t index) noexcept override

  2369.     {

  2370.         CARLA_SAFE_ASSERT_RETURN(index < pData->midiprog.count,);

  2371. 

  2372.         if (fOscData.target == nullptr)

  2373.             return;

  2374. 

  2375.         osc_send_program(fOscData, pData->midiprog.data[index].bank, pData->midiprog.data[index].program);

  2376.     }

  2377. 

  2378.     void uiNoteOn(const uint8_t channel, const uint8_t note, const uint8_t velo) noexcept override

  2379.     {

  2380.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2381.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2382.         CARLA_SAFE_ASSERT_RETURN(velo > 0 && velo < MAX_MIDI_VALUE,);

  2383. 

  2384.         if (fOscData.target == nullptr)

  2385.             return;

  2386. 

  2387. #if 0

  2388.         uint8_t midiData[4];

  2389.         midiData[0] = 0;

  2390.         midiData[1] = uint8_t(MIDI_STATUS_NOTE_ON | (channel & MIDI_CHANNEL_BIT));

  2391.         midiData[2] = note;

  2392.         midiData[3] = velo;

  2393. 

  2394.         osc_send_midi(fOscData, midiData);

  2395. #endif

  2396.     }

  2397. 

  2398.     void uiNoteOff(const uint8_t channel, const uint8_t note) noexcept override

  2399.     {

  2400.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2401.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2402. 

  2403.         if (fOscData.target == nullptr)

  2404.             return;

  2405. 

  2406. #if 0

  2407.         uint8_t midiData[4];

  2408.         midiData[0] = 0;

  2409.         midiData[1] = uint8_t(MIDI_STATUS_NOTE_ON | (channel & MIDI_CHANNEL_BIT));

  2410.         midiData[2] = note;

  2411.         midiData[3] = 0;

  2412. 

  2413.         osc_send_midi(fOscData, midiData);

  2414. #endif

  2415.     }

  2416. #endif

  2417. 

  2418.     // -------------------------------------------------------------------

  2419. 

  2420.     void* getNativeHandle() const noexcept override

  2421.     {

  2422.         return fHandle;

  2423.     }

  2424. 

  2425.     const void* getNativeDescriptor() const noexcept override

  2426.     {

  2427.         return fDssiDescriptor;

  2428.     }

  2429. 

  2430. #ifdef HAVE_LIBLO

  2431.     uintptr_t getUiBridgeProcessId() const noexcept override

  2432.     {

  2433.         return fThreadUI.getProcessPID();

  2434.     }

  2435. 

  2436.     const void* getExtraStuff() const noexcept override

  2437.     {

  2438.         return fUiFilename;

  2439.     }

  2440. #endif

  2441. 

  2442.     // -------------------------------------------------------------------

  2443. 

  2444.     bool init(const char* const filename, const char* const name, const char* const label)

  2445.     {

  2446.         CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr, false);

  2447. 

  2448.         // ---------------------------------------------------------------

  2449.         // first checks

  2450. 

  2451.         if (pData->client != nullptr)

  2452.         {

  2453.             pData->engine->setLastError("Plugin client is already registered");

  2454.             return false;

  2455.         }

  2456. 

  2457.         if (filename == nullptr || filename[0] == '\0')

  2458.         {

  2459.             pData->engine->setLastError("null filename");

  2460.             return false;

  2461.         }

  2462. 

  2463.         if (label == nullptr || label[0] == '\0')

  2464.         {

  2465.             pData->engine->setLastError("null label");

  2466.             return false;

  2467.         }

  2468. 

  2469.         // ---------------------------------------------------------------

  2470.         // open DLL

  2471. 

  2472.         if (! pData->libOpen(filename))

  2473.         {

  2474.             pData->engine->setLastError(pData->libError(filename));

  2475.             return false;

  2476.         }

  2477. 

  2478.         // ---------------------------------------------------------------

  2479.         // get DLL main entry

  2480. 

  2481.         const DSSI_Descriptor_Function descFn = pData->libSymbol<DSSI_Descriptor_Function>("dssi_descriptor");

  2482. 

  2483.         if (descFn == nullptr)

  2484.         {

  2485.             pData->engine->setLastError("Could not find the DSSI Descriptor in the plugin library");

  2486.             return false;

  2487.         }

  2488. 

  2489.         // ---------------------------------------------------------------

  2490.         // get descriptor that matches label

  2491. 

  2492.         ulong i = 0;

  2493. 

  2494.         for (;;)

  2495.         {

  2496.             try {

  2497.                 fDssiDescriptor = descFn(i++);

  2498.             }

  2499.             catch(...) {

  2500.                 carla_stderr2("Caught exception when trying to get LADSPA descriptor");

  2501.                 fDescriptor     = nullptr;

  2502.                 fDssiDescriptor = nullptr;

  2503.                 break;

  2504.             }

  2505. 

  2506.             if (fDssiDescriptor == nullptr)

  2507.                 break;

  2508. 

  2509.             fDescriptor = fDssiDescriptor->LADSPA_Plugin;

  2510. 

  2511.             if (fDescriptor == nullptr)

  2512.             {

  2513.                 carla_stderr2("WARNING - Missing LADSPA interface, will not use this plugin");

  2514.                 fDssiDescriptor = nullptr;

  2515.                 break;

  2516.             }

  2517.             if (fDescriptor->Label == nullptr || fDescriptor->Label[0] == '\0')

  2518.             {

  2519.                 carla_stderr2("WARNING - Got an invalid label, will not use this plugin");

  2520.                 fDescriptor     = nullptr;

  2521.                 fDssiDescriptor = nullptr;

  2522.                 break;

  2523.             }

  2524.             if (fDescriptor->run == nullptr)

  2525.             {

  2526.                 carla_stderr2("WARNING - Plugin has no run, cannot use it");

  2527.                 fDescriptor     = nullptr;

  2528.                 fDssiDescriptor = nullptr;

  2529.                 break;

  2530.             }

  2531. 

  2532.             if (std::strcmp(fDescriptor->Label, label) == 0)

  2533.                 break;

  2534.         }

  2535. 

  2536.         if (fDescriptor == nullptr || fDssiDescriptor == nullptr)

  2537.         {

  2538.             pData->engine->setLastError("Could not find the requested plugin label in the plugin library");

  2539.             return false;

  2540.         }

  2541. 

  2542.         // ---------------------------------------------------------------

  2543.         // check if uses global instance

  2544. 

  2545.         if (fDssiDescriptor->run_synth == nullptr && fDssiDescriptor->run_multiple_synths != nullptr)

  2546.         {

  2547.             if (! addUniqueMultiSynth(fDescriptor->Label))

  2548.             {

  2549.                 pData->engine->setLastError("This plugin uses a global instance and can't be used more than once safely");

  2550.                 return false;

  2551.             }

  2552.         }

  2553. 

  2554.         // ---------------------------------------------------------------

  2555.         // get info

  2556. 

  2557.         if (name != nullptr && name[0] != '\0')

  2558.             pData->name = pData->engine->getUniquePluginName(name);

  2559.         else if (fDescriptor->Name != nullptr && fDescriptor->Name[0] != '\0')

  2560.             pData->name = pData->engine->getUniquePluginName(fDescriptor->Name);

  2561.         else

  2562.             pData->name = pData->engine->getUniquePluginName(fDescriptor->Label);

  2563. 

  2564.         pData->filename = carla_strdup(filename);

  2565. 

  2566.         // ---------------------------------------------------------------

  2567.         // register client

  2568. 

  2569.         pData->client = pData->engine->addClient(this);

  2570. 

  2571.         if (pData->client == nullptr || ! pData->client->isOk())

  2572.         {

  2573.             pData->engine->setLastError("Failed to register plugin client");

  2574.             return false;

  2575.         }

  2576. 

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

  2578.         // initialize plugin

  2579. 

  2580.         try {

  2581.             fHandle = fDescriptor->instantiate(fDescriptor, (ulong)pData->engine->getSampleRate());

  2582.         } CARLA_SAFE_EXCEPTION("DSSI instantiate");

  2583. 

  2584.         if (fHandle == nullptr)

  2585.         {

  2586.             pData->engine->setLastError("Plugin failed to initialize");

  2587.             return false;

  2588.         }

  2589. 

  2590.         // ---------------------------------------------------------------

  2591.         // check for custom data extension

  2592. 

  2593.         if (fDssiDescriptor->configure != nullptr)

  2594.         {

  2595.             if (char* const error = fDssiDescriptor->configure(fHandle, DSSI_CUSTOMDATA_EXTENSION_KEY, ""))

  2596.             {

  2597.                 if (std::strcmp(error, "true") == 0 && fDssiDescriptor->get_custom_data != nullptr && fDssiDescriptor->set_custom_data != nullptr)

  2598.                     fUsesCustomData = true;

  2599. 

  2600.                 std::free(error);

  2601.             }

  2602.         }

  2603. 

  2604. #ifdef HAVE_LIBLO

  2605.         // ---------------------------------------------------------------

  2606.         // gui stuff

  2607. 

  2608.         if (const char* const guiFilename = find_dssi_ui(filename, fDescriptor->Label))

  2609.         {

  2610.             fThreadUI.setData(guiFilename, fDescriptor->Label);

  2611.             fUiFilename = guiFilename;

  2612.         }

  2613. #endif

  2614. 

  2615.         // ---------------------------------------------------------------

  2616.         // set default options

  2617. 

  2618. #ifdef __USE_GNU

  2619.         const bool isDssiVst(strcasestr(pData->filename, "dssi-vst") != nullptr);

  2620. #else

  2621.         const bool isDssiVst(std::strstr(pData->filename, "dssi-vst") != nullptr);

  2622. #endif

  2623. 

  2624.         pData->options = 0x0;

  2625. 

  2626.         if (fLatencyIndex >= 0 || isDssiVst)

  2627.             pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;

  2628. 

  2629.         if (pData->engine->getOptions().forceStereo)

  2630.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  2631. 

  2632.         if (fUsesCustomData)

  2633.             pData->options |= PLUGIN_OPTION_USE_CHUNKS;

  2634. 

  2635.         if (fDssiDescriptor->get_program != nullptr && fDssiDescriptor->select_program != nullptr)

  2636.             pData->options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  2637. 

  2638.         if (fDssiDescriptor->run_synth != nullptr || fDssiDescriptor->run_multiple_synths != nullptr)

  2639.         {

  2640.             pData->options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  2641.             pData->options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  2642.             pData->options |= PLUGIN_OPTION_SEND_PITCHBEND;

  2643.             pData->options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  2644. 

  2645.             if (fDssiDescriptor->run_synth == nullptr)

  2646.                 carla_stderr("WARNING: Plugin can ONLY use run_multiple_synths!");

  2647.         }

  2648. 

  2649.         return true;

  2650.     }

  2651. 

  2652.     // -------------------------------------------------------------------

  2653. 

  2654. private:

  2655.     LADSPA_Handle fHandle;

  2656.     LADSPA_Handle fHandle2;

  2657.     const LADSPA_Descriptor* fDescriptor;

  2658.     const DSSI_Descriptor*   fDssiDescriptor;

  2659. 

  2660.     bool fUsesCustomData;

  2661. #ifdef HAVE_LIBLO

  2662.     const char* fUiFilename;

  2663. #endif

  2664. 

  2665.     float** fAudioInBuffers;

  2666.     float** fAudioOutBuffers;

  2667.     float*  fParamBuffers;

  2668. 

  2669.     bool    fLatencyChanged;

  2670.     int32_t fLatencyIndex; // -1 if invalid

  2671. 

  2672.     snd_seq_event_t fMidiEvents[kPluginMaxMidiEvents];

  2673. 

  2674. #ifdef HAVE_LIBLO

  2675.     CarlaOscData      fOscData;

  2676.     CarlaThreadDSSIUI fThreadUI;

  2677. #endif

  2678. 

  2679.     // -------------------------------------------------------------------

  2680. 

  2681.     uint32_t getSafePortCount() const noexcept

  2682.     {

  2683.         if (fDescriptor->PortCount == 0)

  2684.             return 0;

  2685. 

  2686.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortDescriptors != nullptr, 0);

  2687.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortRangeHints != nullptr, 0);

  2688.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortNames != nullptr, 0);

  2689. 

  2690.         return static_cast<uint32_t>(fDescriptor->PortCount);

  2691.     }

  2692. 

  2693.     bool getSeparatedParameterNameOrUnit(const char* const paramName, char* const strBuf, const bool wantName) const noexcept

  2694.     {

  2695.         if (_getSeparatedParameterNameOrUnitImpl(paramName, strBuf, wantName, true))

  2696.             return true;

  2697.         if (_getSeparatedParameterNameOrUnitImpl(paramName, strBuf, wantName, false))

  2698.             return true;

  2699.         return false;

  2700.     }

  2701. 

  2702.     bool _getSeparatedParameterNameOrUnitImpl(const char* const paramName, char* const strBuf, const bool wantName, const bool useBracket) const noexcept

  2703.     {

  2704.         const char* const sepBracketStart(std::strstr(paramName, useBracket ? " [" : " ("));

  2705. 

  2706.         if (sepBracketStart == nullptr)

  2707.             return false;

  2708. 

  2709.         const char* const sepBracketEnd(std::strstr(sepBracketStart, useBracket ? "]" : ")"));

  2710. 

  2711.         if (sepBracketEnd == nullptr)

  2712.             return false;

  2713. 

  2714.         const size_t unitSize(static_cast<size_t>(sepBracketEnd-sepBracketStart-2));

  2715. 

  2716.         if (unitSize > 7) // very unlikely to have such big unit

  2717.             return false;

  2718. 

  2719.         const size_t sepIndex(std::strlen(paramName)-unitSize-3);

  2720. 

  2721.         // just in case

  2722.         if (sepIndex > STR_MAX)

  2723.             return false;

  2724. 

  2725.         if (wantName)

  2726.         {

  2727.             std::strncpy(strBuf, paramName, sepIndex);

  2728.             strBuf[sepIndex] = '\0';

  2729.         }

  2730.         else

  2731.         {

  2732.             std::strncpy(strBuf, paramName+(sepIndex+2), unitSize);

  2733.             strBuf[unitSize] = '\0';

  2734.         }

  2735. 

  2736.         return true;

  2737.     }

  2738. 

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

  2740. 

  2741.     static LinkedList<const char*> sMultiSynthList;

  2742. 

  2743.     static bool addUniqueMultiSynth(const char* const label) noexcept

  2744.     {

  2745.         CARLA_SAFE_ASSERT_RETURN(label != nullptr && label[0] != '\0', false);

  2746. 

  2747.         const char* dlabel = nullptr;

  2748. 

  2749.         try {

  2750.             dlabel = carla_strdup(label);

  2751.         } catch(...) { return false; }

  2752. 

  2753.         for (LinkedList<const char*>::Itenerator it = sMultiSynthList.begin(); it.valid(); it.next())

  2754.         {

  2755.             const char* const itLabel(it.getValue());

  2756. 

  2757.             if (std::strcmp(dlabel, itLabel) == 0)

  2758.             {

  2759.                 delete[] dlabel;

  2760.                 return false;

  2761.             }

  2762.         }

  2763. 

  2764.         return sMultiSynthList.append(dlabel);

  2765.     }

  2766. 

  2767.     static void removeUniqueMultiSynth(const char* const label) noexcept

  2768.     {

  2769.         CARLA_SAFE_ASSERT_RETURN(label != nullptr && label[0] != '\0',);

  2770. 

  2771.         for (LinkedList<const char*>::Itenerator it = sMultiSynthList.begin(); it.valid(); it.next())

  2772.         {

  2773.             const char* const itLabel(it.getValue());

  2774. 

  2775.             if (std::strcmp(label, itLabel) == 0)

  2776.             {

  2777.                 sMultiSynthList.remove(it);

  2778.                 delete[] itLabel;

  2779.                 break;

  2780.             }

  2781.         }

  2782.     }

  2783. 

  2784.     // -------------------------------------------------------------------

  2785. 

  2786.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaPluginDSSI)

  2787. };

  2788. 

  2789. LinkedList<const char*> CarlaPluginDSSI::sMultiSynthList;

  2790. 

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

  2792. 

  2793. CarlaPlugin* CarlaPlugin::newDSSI(const Initializer& init)

  2794. {

  2795.     carla_debug("CarlaPlugin::newDSSI({%p, \"%s\", \"%s\", \"%s\", " P_INT64 "})", init.engine, init.filename, init.name, init.label, init.uniqueId);

  2796. 

  2797.     CarlaPluginDSSI* const plugin(new CarlaPluginDSSI(init.engine, init.id));

  2798. 

  2799.     if (! plugin->init(init.filename, init.name, init.label))

  2800.     {

  2801.         delete plugin;

  2802.         return nullptr;

  2803.     }

  2804. 

  2805.     plugin->reload();

  2806. 

  2807.     bool canRun = true;

  2808. 

  2809.     if (init.engine->getProccessMode() == ENGINE_PROCESS_MODE_CONTINUOUS_RACK)

  2810.     {

  2811.         if (! plugin->canRunInRack())

  2812.         {

  2813.             init.engine->setLastError("Carla's rack mode can only work with Mono or Stereo DSSI plugins, sorry!");

  2814.             canRun = false;

  2815.         }

  2816.         else if (plugin->getCVInCount() > 0 || plugin->getCVInCount() > 0)

  2817.         {

  2818.             init.engine->setLastError("Carla's rack mode cannot work with plugins that have CV ports, sorry!");

  2819.             canRun = false;

  2820.         }

  2821.     }

  2822.     else if (init.engine->getProccessMode() == ENGINE_PROCESS_MODE_PATCHBAY && (plugin->getCVInCount() > 0 || plugin->getCVInCount() > 0))

  2823.     {

  2824.         init.engine->setLastError("CV ports in patchbay mode is still TODO");

  2825.         canRun = false;

  2826.     }

  2827. 

  2828.     if (! canRun)

  2829.     {

  2830.         delete plugin;

  2831.         return nullptr;

  2832.     }

  2833. 

  2834.     return plugin;

  2835. }

  2836. 

  2837. // -------------------------------------------------------------------------------------------------------------------

  2838. 

  2839. CARLA_BACKEND_END_NAMESPACE