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Carla
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Carla/source/backend/plugin/CarlaPluginDSSI.cpp

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  1. /*

  2.  * Carla Plugin, DSSI implementation

  3.  * Copyright (C) 2011-2017 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. #include "CarlaPluginInternal.hpp"

  19. #include "CarlaEngineUtils.hpp"

  20. 

  21. #include "CarlaDssiUtils.hpp"

  22. #include "CarlaMathUtils.hpp"

  23. 

  24. #ifdef HAVE_LIBLO

  25. # include "CarlaOscUtils.hpp"

  26. # include "CarlaPipeUtils.hpp"

  27. # include "CarlaThread.hpp"

  28. #endif

  29. 

  30. using juce::ChildProcess;

  31. using juce::ScopedPointer;

  32. using juce::String;

  33. using juce::StringArray;

  34. 

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

  36.     /* check argument count */                                                                                                  \

  37.     if (argc != argcToCompare)                                                                                                  \

  38.     {                                                                                                                           \

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

  40.         return;                                                                                                                 \

  41.     }                                                                                                                           \

  42.     if (argc > 0)                                                                                                               \

  43.     {                                                                                                                           \

  44.         /* check for nullness */                                                                                                \

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

  46.         {                                                                                                                       \

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

  48.             return;                                                                                                             \

  49.         }                                                                                                                       \

  50.         /* check argument types */                                                                                              \

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

  52.         {                                                                                                                       \

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

  54.             return;                                                                                                             \

  55.         }                                                                                                                       \

  56.     }

  57. 

  58. CARLA_BACKEND_START_NAMESPACE

  59. 

  60. // -------------------------------------------------------------------

  61. // Fallback data

  62. 

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

  64. 

  65. #ifdef HAVE_LIBLO

  66. // -------------------------------------------------------------------

  67. 

  68. class CarlaThreadDSSIUI : public CarlaThread

  69. {

  70. public:

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

  72.         : CarlaThread("CarlaThreadDSSIUI"),

  73.           kEngine(engine),

  74.           kPlugin(plugin),

  75.           fBinary(),

  76.           fLabel(),

  77.           fOscData(oscData),

  78.           fProcess() {}

  79. 

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

  81.     {

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

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

  84.         CARLA_SAFE_ASSERT(! isThreadRunning());

  85. 

  86.         fBinary = binary;

  87.         fLabel  = label;

  88. 

  89.         if (fLabel.isEmpty())

  90.             fLabel = "\"\"";

  91.     }

  92. 

  93.     uintptr_t getProcessId() const noexcept

  94.     {

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

  96. 

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

  98.     }

  99. 

  100.     void run()

  101.     {

  102.         carla_stdout("DSSI UI thread started");

  103. 

  104.         if (fProcess == nullptr)

  105.         {

  106.             fProcess = new ChildProcess();

  107.         }

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

  109.         {

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

  111. 

  112.             fProcess->kill();

  113.             fProcess = nullptr;

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

  115.             return;

  116.         }

  117. 

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

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

  120. 

  121.         if (name.isEmpty())

  122.             name = "(none)";

  123. 

  124.         if (filename.isEmpty())

  125.             filename = "\"\"";

  126. 

  127.         StringArray arguments;

  128. 

  129.         // binary

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

  131. 

  132.         // osc-url

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

  134. 

  135.         // filename

  136.         arguments.add(filename);

  137. 

  138.         // label

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

  140. 

  141.         // ui-title

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

  143. 

  144.         bool started;

  145. 

  146.         {

  147. #ifdef CARLA_OS_LINUX

  148.             /*

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

  150.              * If not, unset LD_PRELOAD.

  151.              */

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

  153. 

  154.             // for CARLA_ENGINE_OPTION_FRONTEND_WIN_ID

  155.             char winIdStr[STR_MAX+1];

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

  157. 

  158.             // for LD_PRELOAD

  159.             CarlaString ldPreloadValue;

  160. 

  161.             if (winId != 0)

  162.             {

  163.                 std::snprintf(winIdStr, STR_MAX, P_UINTPTR, winId);

  164.                 ldPreloadValue = (CarlaString(kEngine->getOptions().binaryDir)

  165.                                + "/libcarla_interposer-x11.so");

  166.             }

  167.             else

  168.             {

  169.                 winIdStr[0] = '\0';

  170.             }

  171. 

  172.             const ScopedEngineEnvironmentLocker _seel(kEngine);

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

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

  175. #endif // CARLA_OS_LINUX

  176. 

  177.             // start the DSSI UI application

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

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

  180.         }

  181. 

  182.         if (! started)

  183.         {

  184.             carla_stdout("failed!");

  185.             fProcess = nullptr;

  186.             return;

  187.         }

  188. 

  189.         if (waitForOscGuiShow())

  190.         {

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

  192.                 carla_sleep(1);

  193. 

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

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

  196.             {

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

  198. 

  199.                 if (fProcess->isRunning())

  200.                 {

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

  202.                     fProcess->kill();

  203.                 }

  204.                 else

  205.                 {

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

  207.                 }

  208.             }

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

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

  211.             else

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

  213.         }

  214.         else

  215.         {

  216.             fProcess->kill();

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

  218.         }

  219. 

  220.         fProcess = nullptr;

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

  222. 

  223.         carla_stdout("DSSI UI thread finished");

  224.     }

  225. 

  226. private:

  227.     CarlaEngine* const kEngine;

  228.     CarlaPlugin* const kPlugin;

  229. 

  230.     CarlaString fBinary;

  231.     CarlaString fLabel;

  232. 

  233.     const CarlaOscData&         fOscData;

  234.     ScopedPointer<ChildProcess> fProcess;

  235. 

  236.     bool waitForOscGuiShow()

  237.     {

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

  239.         const uint uiBridgesTimeout = kEngine->getOptions().uiBridgesTimeout;

  240. 

  241.         // wait for UI 'update' call

  242.         for (uint i=0; i < uiBridgesTimeout/100; ++i)

  243.         {

  244.             if (fOscData.target != nullptr)

  245.             {

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

  247.                 osc_send_show(fOscData);

  248.                 return true;

  249.             }

  250. 

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

  252.                 carla_msleep(100);

  253.             else

  254.                 return false;

  255.         }

  256. 

  257.         carla_stdout("CarlaThreadDSSIUI::waitForOscGuiShow() - Timeout while waiting for UI to respond"

  258.                      "(waited %u msecs)", uiBridgesTimeout);

  259.         return false;

  260.     }

  261. 

  262.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaThreadDSSIUI)

  263. };

  264. #endif

  265. 

  266. // -----------------------------------------------------

  267. 

  268. class CarlaPluginDSSI : public CarlaPlugin

  269. {

  270. public:

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

  272.         : CarlaPlugin(engine, id),

  273.           fHandles(),

  274.           fDescriptor(nullptr),

  275.           fDssiDescriptor(nullptr),

  276.           fAudioInBuffers(nullptr),

  277.           fAudioOutBuffers(nullptr),

  278.           fExtraStereoBuffer(),

  279.           fParamBuffers(nullptr),

  280.           fLatencyIndex(-1),

  281.           fForcedStereoIn(false),

  282.           fForcedStereoOut(false),

  283.           fNeedsFixedBuffers(false),

  284.           fUsesCustomData(false)

  285. #ifdef HAVE_LIBLO

  286.         , fOscData(),

  287.           fThreadUI(engine, this, fOscData),

  288.           fUiFilename(nullptr)

  289. #endif

  290.     {

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

  292. 

  293.         carla_zeroPointers(fExtraStereoBuffer, 2);

  294.     }

  295. 

  296.     ~CarlaPluginDSSI() noexcept override

  297.     {

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

  299. 

  300. #ifdef HAVE_LIBLO

  301.         // close UI

  302.         if (fUiFilename != nullptr)

  303.         {

  304.             showCustomUI(false);

  305. 

  306.             delete[] fUiFilename;

  307.             fUiFilename = nullptr;

  308.         }

  309. #endif

  310. 

  311.         pData->singleMutex.lock();

  312.         pData->masterMutex.lock();

  313. 

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

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

  316. 

  317.         if (pData->active)

  318.         {

  319.             deactivate();

  320.             pData->active = false;

  321.         }

  322. 

  323.         if (fDescriptor != nullptr)

  324.         {

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

  326.             {

  327.                 for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  328.                 {

  329.                     LADSPA_Handle const handle(it.getValue(nullptr));

  330.                     CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  331. 

  332.                     try {

  333.                         fDescriptor->cleanup(handle);

  334.                     } CARLA_SAFE_EXCEPTION("LADSPA cleanup");

  335.                 }

  336.             }

  337. 

  338.             fHandles.clear();

  339.             fDescriptor = nullptr;

  340.             fDssiDescriptor = nullptr;

  341.         }

  342. 

  343.         clearBuffers();

  344.     }

  345. 

  346.     // -------------------------------------------------------------------

  347.     // Information (base)

  348. 

  349.     PluginType getType() const noexcept override

  350.     {

  351.         return PLUGIN_DSSI;

  352.     }

  353. 

  354.     PluginCategory getCategory() const noexcept override

  355.     {

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

  357. 

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

  359.             return PLUGIN_CATEGORY_SYNTH;

  360. 

  361.         return CarlaPlugin::getCategory();

  362.     }

  363. 

  364.     int64_t getUniqueId() const noexcept override

  365.     {

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

  367. 

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

  369.     }

  370. 

  371.     uint32_t getLatencyInFrames() const noexcept override

  372.     {

  373.         if (fLatencyIndex < 0 || fParamBuffers == nullptr)

  374.             return 0;

  375. 

  376.         const float latency(fParamBuffers[fLatencyIndex]);

  377.         CARLA_SAFE_ASSERT_RETURN(latency >= 0.0f, 0);

  378. 

  379.         return static_cast<uint32_t>(latency);

  380.     }

  381. 

  382.     // -------------------------------------------------------------------

  383.     // Information (count)

  384. 

  385.     // nothing

  386. 

  387.     // -------------------------------------------------------------------

  388.     // Information (current data)

  389. 

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

  391.     {

  392.         CARLA_SAFE_ASSERT_RETURN(fUsesCustomData, 0);

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

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

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

  396.         CARLA_SAFE_ASSERT_RETURN(fHandles.count() > 0, 0);

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

  398. 

  399.         *dataPtr = nullptr;

  400. 

  401.         int ret = 0;

  402.         ulong dataSize = 0;

  403. 

  404.         try {

  405.             ret = fDssiDescriptor->get_custom_data(fHandles.getFirst(nullptr), dataPtr, &dataSize);

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

  407. 

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

  409.     }

  410. 

  411.     // -------------------------------------------------------------------

  412.     // Information (per-plugin data)

  413. 

  414.     uint getOptionsAvailable() const noexcept override

  415.     {

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

  417. 

  418.         uint options = 0x0;

  419. 

  420.         // can't disable fixed buffers if using latency

  421.         if (fLatencyIndex == -1 && ! fNeedsFixedBuffers)

  422.             options |= PLUGIN_OPTION_FIXED_BUFFERS;

  423. 

  424.         // can't disable forced stereo if enabled in the engine

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

  426.             pass();

  427.         // if inputs or outputs are just 1, then yes we can force stereo

  428.         else if (pData->audioIn.count == 1 || pData->audioOut.count == 1 || fForcedStereoIn || fForcedStereoOut)

  429.             options |= PLUGIN_OPTION_FORCE_STEREO;

  430. 

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

  432.             options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  433. 

  434.         if (fUsesCustomData)

  435.             options |= PLUGIN_OPTION_USE_CHUNKS;

  436. 

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

  438.         {

  439.             options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  440.             options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  441.             options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  442.             options |= PLUGIN_OPTION_SEND_PITCHBEND;

  443.             options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  444.         }

  445. 

  446.         return options;

  447.     }

  448. 

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

  450.     {

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

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

  453. 

  454.         // bad plugins might have set output values out of bounds

  455.         if (pData->param.data[parameterId].type == PARAMETER_OUTPUT)

  456.             return pData->param.ranges[parameterId].getFixedValue(fParamBuffers[parameterId]);

  457. 

  458.         // not output, should be fine

  459.         return fParamBuffers[parameterId];

  460.     }

  461. 

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

  463.     {

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

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

  466. 

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

  468.     }

  469. 

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

  471.     {

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

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

  474. 

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

  476.     }

  477. 

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

  479.     {

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

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

  482. 

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

  484.     }

  485. 

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

  487.     {

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

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

  490. 

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

  492.     }

  493. 

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

  495.     {

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

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

  498. 

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

  500.         CARLA_SAFE_ASSERT_RETURN(rindex >= 0,                                           nullStrBuf(strBuf));

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

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

  503. 

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

  505.             return;

  506. 

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

  508.     }

  509. 

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

  511.     {

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

  513. 

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

  515.         CARLA_SAFE_ASSERT_RETURN(rindex >= 0, nullStrBuf(strBuf));

  516. 

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

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

  519. 

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

  521.             return;

  522. 

  523.         nullStrBuf(strBuf);

  524.     }

  525. 

  526.     // -------------------------------------------------------------------

  527.     // Set data (state)

  528. 

  529.     // nothing

  530. 

  531.     // -------------------------------------------------------------------

  532.     // Set data (internal stuff)

  533. 

  534.     void setId(const uint newId) noexcept override

  535.     {

  536.         CarlaPlugin::setId(newId);

  537. 

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

  539.         // FIXME - must be RT safe

  540.         showCustomUI(false);

  541.     }

  542. 

  543.     // -------------------------------------------------------------------

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

  545. 

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

  547.     {

  548.         CARLA_SAFE_ASSERT_RETURN(fParamBuffers != nullptr,);

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

  550. 

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

  552.         fParamBuffers[parameterId] = fixedValue;

  553. 

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

  555.     }

  556. 

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

  558.     {

  559.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

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

  562.         CARLA_SAFE_ASSERT_RETURN(value != nullptr,);

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

  564. 

  565.         if (std::strcmp(type, CUSTOM_DATA_TYPE_PROPERTY) == 0)

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

  567. 

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

  569.             return carla_stderr2("CarlaPluginDSSI::setCustomData(\"%s\", \"%s\", \"%s\", %s) - type is not string",

  570.                                  type, key, value, bool2str(sendGui));

  571. 

  572.         if (fDssiDescriptor->configure != nullptr && fHandles.count() > 0)

  573.         {

  574.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  575.             {

  576.                 LADSPA_Handle const handle(it.getValue(nullptr));

  577.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  578. 

  579.                 try {

  580.                     fDssiDescriptor->configure(handle, key, value);

  581.                 } CARLA_SAFE_EXCEPTION("DSSI setCustomData");

  582.             }

  583.         }

  584. 

  585. #ifdef HAVE_LIBLO

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

  587.             osc_send_configure(fOscData, key, value);

  588. #endif

  589. 

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

  591.         {

  592.             const ScopedSingleProcessLocker spl(this, true);

  593.             reloadPrograms(false);

  594.         }

  595. 

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

  597.     }

  598. 

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

  600.     {

  601.         CARLA_SAFE_ASSERT_RETURN(fUsesCustomData,);

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

  603.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

  605.         CARLA_SAFE_ASSERT_RETURN(data != nullptr,);

  606.         CARLA_SAFE_ASSERT_RETURN(dataSize > 0,);

  607. 

  608.         if (fHandles.count() > 0)

  609.         {

  610.             const ScopedSingleProcessLocker spl(this, true);

  611. 

  612.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  613.             {

  614.                 LADSPA_Handle const handle(it.getValue(nullptr));

  615.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  616. 

  617.                 try {

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

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

  620.             }

  621.         }

  622. 

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

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

  625. #else

  626.         const bool sendOsc(false);

  627. #endif

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

  629.     }

  630. 

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

  632.     {

  633.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

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

  636. 

  637.         if (index >= 0 && fHandles.count() > 0)

  638.         {

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

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

  641. 

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

  643. 

  644.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  645.             {

  646.                 LADSPA_Handle const handle(it.getValue(nullptr));

  647.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  648. 

  649.                 try {

  650.                     fDssiDescriptor->select_program(handle, bank, program);

  651.                 } CARLA_SAFE_EXCEPTION("DSSI setMidiProgram")

  652.             }

  653.         }

  654. 

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

  656.     }

  657. 

  658. #ifdef HAVE_LIBLO

  659.     // -------------------------------------------------------------------

  660.     // Set ui stuff

  661. 

  662.     void showCustomUI(const bool yesNo) override

  663.     {

  664.         if (yesNo)

  665.         {

  666.             fOscData.clear();

  667.             fThreadUI.startThread();

  668.         }

  669.         else

  670.         {

  671.             pData->transientTryCounter = 0;

  672. 

  673.             if (fOscData.target != nullptr)

  674.             {

  675.                 osc_send_hide(fOscData);

  676.                 osc_send_quit(fOscData);

  677.                 fOscData.clear();

  678.             }

  679. 

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

  681.         }

  682.     }

  683. #endif

  684. 

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

  686.     // Plugin state

  687. 

  688.     void reload() override

  689.     {

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

  691.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  692.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

  693.         CARLA_SAFE_ASSERT_RETURN(fHandles.count() > 0,);

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

  695. 

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

  697. 

  698.         // Safely disable plugin for reload

  699.         const ScopedDisabler sd(this);

  700. 

  701.         if (pData->active)

  702.             deactivate();

  703. 

  704.         clearBuffers();

  705. 

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

  707.         const uint32_t portCount(getSafePortCount());

  708. 

  709.         uint32_t aIns, aOuts, mIns, params;

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

  711. 

  712.         bool forcedStereoIn, forcedStereoOut;

  713.         forcedStereoIn = forcedStereoOut = false;

  714. 

  715.         bool needsCtrlIn, needsCtrlOut;

  716.         needsCtrlIn = needsCtrlOut = false;

  717. 

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

  719.         {

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

  721. 

  722.             if (LADSPA_IS_PORT_AUDIO(portType))

  723.             {

  724.                 if (LADSPA_IS_PORT_INPUT(portType))

  725.                     aIns += 1;

  726.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  727.                     aOuts += 1;

  728.             }

  729.             else if (LADSPA_IS_PORT_CONTROL(portType))

  730.                 params += 1;

  731.         }

  732. 

  733.         if (pData->options & PLUGIN_OPTION_FORCE_STEREO)

  734.         {

  735.             if ((aIns == 1 || aOuts == 1) && fHandles.count() == 1 && addInstance())

  736.             {

  737.                 if (aIns == 1)

  738.                 {

  739.                     aIns = 2;

  740.                     forcedStereoIn = true;

  741.                 }

  742.                 if (aOuts == 1)

  743.                 {

  744.                     aOuts = 2;

  745.                     forcedStereoOut = true;

  746.                 }

  747.             }

  748.         }

  749. 

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

  751.         {

  752.             mIns = 1;

  753.             needsCtrlIn = true;

  754.         }

  755. 

  756.         if (aIns > 0)

  757.         {

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

  759.             fAudioInBuffers = new float*[aIns];

  760. 

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

  762.                 fAudioInBuffers[i] = nullptr;

  763.         }

  764. 

  765.         if (aOuts > 0)

  766.         {

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

  768.             fAudioOutBuffers = new float*[aOuts];

  769.             needsCtrlIn = true;

  770. 

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

  772.                 fAudioOutBuffers[i] = nullptr;

  773.         }

  774. 

  775.         if (params > 0)

  776.         {

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

  778. 

  779.             fParamBuffers = new float[params];

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

  781.         }

  782. 

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

  784.         CarlaString portName;

  785. 

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

  787.         {

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

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

  790. 

  791.             if (LADSPA_IS_PORT_AUDIO(portType))

  792.             {

  793.                 portName.clear();

  794. 

  795.                 if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  796.                 {

  797.                     portName  = pData->name;

  798.                     portName += ":";

  799.                 }

  800. 

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

  802.                 {

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

  804.                 }

  805.                 else

  806.                 {

  807.                     if (LADSPA_IS_PORT_INPUT(portType))

  808.                     {

  809.                         if (aIns > 1)

  810.                         {

  811.                             portName += "audio-in_";

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

  813.                         }

  814.                         else

  815.                             portName += "audio-in";

  816.                     }

  817.                     else

  818.                     {

  819.                         if (aOuts > 1)

  820.                         {

  821.                             portName += "audio-out_";

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

  823.                         }

  824.                         else

  825.                             portName += "audio-out";

  826.                     }

  827.                 }

  828. 

  829.                 portName.truncate(portNameSize);

  830. 

  831.                 if (LADSPA_IS_PORT_INPUT(portType))

  832.                 {

  833.                     const uint32_t j = iAudioIn++;

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

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

  836. 

  837.                     if (forcedStereoIn)

  838.                     {

  839.                         portName += "_2";

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

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

  842.                     }

  843.                 }

  844.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  845.                 {

  846.                     const uint32_t j = iAudioOut++;

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

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

  849. 

  850.                     if (forcedStereoOut)

  851.                     {

  852.                         portName += "_2";

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

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

  855.                     }

  856.                 }

  857.                 else

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

  859.             }

  860.             else if (LADSPA_IS_PORT_CONTROL(portType))

  861.             {

  862.                 const uint32_t j = iCtrl++;

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

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

  865. 

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

  867. 

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

  869. 

  870.                 // min value

  871.                 if (LADSPA_IS_HINT_BOUNDED_BELOW(portRangeHints.HintDescriptor))

  872.                     min = portRangeHints.LowerBound;

  873.                 else

  874.                     min = 0.0f;

  875. 

  876.                 // max value

  877.                 if (LADSPA_IS_HINT_BOUNDED_ABOVE(portRangeHints.HintDescriptor))

  878.                     max = portRangeHints.UpperBound;

  879.                 else

  880.                     max = 1.0f;

  881. 

  882.                 if (LADSPA_IS_HINT_SAMPLE_RATE(portRangeHints.HintDescriptor))

  883.                 {

  884.                     min *= sampleRate;

  885.                     max *= sampleRate;

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

  887.                 }

  888. 

  889.                 if (min >= max)

  890.                 {

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

  892.                     max = min + 0.1f;

  893.                 }

  894. 

  895.                 // default value

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

  897. 

  898.                 if (def < min)

  899.                     def = min;

  900.                 else if (def > max)

  901.                     def = max;

  902. 

  903.                 if (LADSPA_IS_HINT_TOGGLED(portRangeHints.HintDescriptor))

  904.                 {

  905.                     step = max - min;

  906.                     stepSmall = step;

  907.                     stepLarge = step;

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

  909.                 }

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

  911.                 {

  912.                     step = 1.0f;

  913.                     stepSmall = 1.0f;

  914.                     stepLarge = 10.0f;

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

  916.                 }

  917.                 else

  918.                 {

  919.                     const float range = max - min;

  920.                     step = range/100.0f;

  921.                     stepSmall = range/1000.0f;

  922.                     stepLarge = range/10.0f;

  923.                 }

  924. 

  925.                 if (LADSPA_IS_PORT_INPUT(portType))

  926.                 {

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

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

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

  930.                     needsCtrlIn = true;

  931. 

  932.                     // MIDI CC value

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

  934.                     {

  935.                         const int ctrl = fDssiDescriptor->get_midi_controller_for_port(fHandles.getFirst(nullptr), i);

  936.                         if (DSSI_CONTROLLER_IS_SET(ctrl) && DSSI_IS_CC(ctrl))

  937.                         {

  938.                             const int16_t cc = DSSI_CC_NUMBER(ctrl);

  939.                             if (! MIDI_IS_CONTROL_BANK_SELECT(cc))

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

  941.                         }

  942.                     }

  943.                 }

  944.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  945.                 {

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

  947. 

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

  949.                     {

  950.                         min = 0.0f;

  951.                         max = sampleRate;

  952.                         def = 0.0f;

  953.                         step = 1.0f;

  954.                         stepSmall = 1.0f;

  955.                         stepLarge = 1.0f;

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

  957.                         CARLA_SAFE_ASSERT_INT2(fLatencyIndex == static_cast<int32_t>(j), fLatencyIndex, j);

  958.                     }

  959.                     else

  960.                     {

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

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

  963.                         needsCtrlOut = true;

  964.                     }

  965.                 }

  966.                 else

  967.                 {

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

  969.                 }

  970. 

  971.                 // extra parameter hints

  972.                 if (LADSPA_IS_HINT_LOGARITHMIC(portRangeHints.HintDescriptor))

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

  974. 

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

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

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

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

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

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

  981. 

  982.                 // Start parameters in their default values

  983.                 fParamBuffers[j] = def;

  984. 

  985.                 for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  986.                 {

  987.                     LADSPA_Handle const handle(it.getValue(nullptr));

  988.                     CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  989. 

  990.                     try {

  991.                         fDescriptor->connect_port(handle, i, &fParamBuffers[j]);

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

  993.                 }

  994.             }

  995.             else

  996.             {

  997.                 // Not Audio or Control

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

  999. 

  1000.                 for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  1001.                 {

  1002.                     LADSPA_Handle const handle(it.getValue(nullptr));

  1003.                     CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1004. 

  1005.                     try {

  1006.                         fDescriptor->connect_port(handle, i, nullptr);

  1007.                     } CARLA_SAFE_EXCEPTION("DSSI connect_port (null)");

  1008.                 }

  1009.             }

  1010.         }

  1011. 

  1012.         if (needsCtrlIn)

  1013.         {

  1014.             portName.clear();

  1015. 

  1016.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1017.             {

  1018.                 portName  = pData->name;

  1019.                 portName += ":";

  1020.             }

  1021. 

  1022.             portName += "events-in";

  1023.             portName.truncate(portNameSize);

  1024. 

  1025.             pData->event.portIn = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, true, 0);

  1026.         }

  1027. 

  1028.         if (needsCtrlOut)

  1029.         {

  1030.             portName.clear();

  1031. 

  1032.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1033.             {

  1034.                 portName  = pData->name;

  1035.                 portName += ":";

  1036.             }

  1037. 

  1038.             portName += "events-out";

  1039.             portName.truncate(portNameSize);

  1040. 

  1041.             pData->event.portOut = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, false, 0);

  1042.         }

  1043. 

  1044.         if (forcedStereoIn || forcedStereoOut)

  1045.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  1046.         else

  1047.             pData->options &= ~PLUGIN_OPTION_FORCE_STEREO;

  1048. 

  1049.         // plugin hints

  1050.         pData->hints = 0x0;

  1051. 

  1052.         if (LADSPA_IS_HARD_RT_CAPABLE(fDescriptor->Properties))

  1053.             pData->hints |= PLUGIN_IS_RTSAFE;

  1054. 

  1055. #ifdef HAVE_LIBLO

  1056.         if (fUiFilename != nullptr)

  1057.             pData->hints |= PLUGIN_HAS_CUSTOM_UI;

  1058. #endif

  1059. 

  1060. #ifndef BUILD_BRIDGE

  1061.         if (aOuts > 0 && (aIns == aOuts || aIns == 1))

  1062.             pData->hints |= PLUGIN_CAN_DRYWET;

  1063. 

  1064.         if (aOuts > 0)

  1065.             pData->hints |= PLUGIN_CAN_VOLUME;

  1066. 

  1067.         if (aOuts >= 2 && aOuts % 2 == 0)

  1068.             pData->hints |= PLUGIN_CAN_BALANCE;

  1069. #endif

  1070. 

  1071.         // extra plugin hints

  1072.         pData->extraHints  = 0x0;

  1073.         pData->extraHints |= PLUGIN_EXTRA_HINT_CAN_RUN_RACK;

  1074. 

  1075.         if (mIns > 0)

  1076.             pData->extraHints |= PLUGIN_EXTRA_HINT_HAS_MIDI_IN;

  1077. 

  1078.         // check initial latency

  1079.         findInitialLatencyValue(aIns, aOuts);

  1080. 

  1081.         fForcedStereoIn  = forcedStereoIn;

  1082.         fForcedStereoOut = forcedStereoOut;

  1083. 

  1084.         bufferSizeChanged(pData->engine->getBufferSize());

  1085.         reloadPrograms(true);

  1086. 

  1087.         if (pData->active)

  1088.             activate();

  1089. 

  1090.         carla_debug("CarlaPluginDSSI::reload() - end");

  1091.     }

  1092. 

  1093.     void findInitialLatencyValue(const uint32_t aIns, const uint32_t aOuts) const

  1094.     {

  1095.         if (fLatencyIndex < 0 || fHandles.count() == 0)

  1096.             return;

  1097. 

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

  1099.         const LADSPA_Handle handle(fHandles.getFirst(nullptr));

  1100.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr,);

  1101. 

  1102.         float tmpIn [(aIns > 0)  ? aIns  : 1][2];

  1103.         float tmpOut[(aOuts > 0) ? aOuts : 1][2];

  1104. 

  1105.         for (uint32_t j=0; j < aIns; ++j)

  1106.         {

  1107.             tmpIn[j][0] = 0.0f;

  1108.             tmpIn[j][1] = 0.0f;

  1109. 

  1110.             try {

  1111.                 fDescriptor->connect_port(handle, pData->audioIn.ports[j].rindex, tmpIn[j]);

  1112.             } CARLA_SAFE_EXCEPTION("DSSI connect_port (latency input)");

  1113.         }

  1114. 

  1115.         for (uint32_t j=0; j < aOuts; ++j)

  1116.         {

  1117.             tmpOut[j][0] = 0.0f;

  1118.             tmpOut[j][1] = 0.0f;

  1119. 

  1120.             try {

  1121.                 fDescriptor->connect_port(handle, pData->audioOut.ports[j].rindex, tmpOut[j]);

  1122.             } CARLA_SAFE_EXCEPTION("DSSI connect_port (latency output)");

  1123.         }

  1124. 

  1125.         if (fDescriptor->activate != nullptr)

  1126.         {

  1127.             try {

  1128.                 fDescriptor->activate(handle);

  1129.             } CARLA_SAFE_EXCEPTION("DSSI latency activate");

  1130.         }

  1131. 

  1132.         try {

  1133.             fDescriptor->run(handle, 2);

  1134.         } CARLA_SAFE_EXCEPTION("DSSI latency run");

  1135. 

  1136.         if (fDescriptor->deactivate != nullptr)

  1137.         {

  1138.             try {

  1139.                 fDescriptor->deactivate(handle);

  1140.             } CARLA_SAFE_EXCEPTION("DSSI latency deactivate");

  1141.         }

  1142. 

  1143.         // done, let's get the value

  1144.         if (const uint32_t latency = getLatencyInFrames())

  1145.         {

  1146.             pData->client->setLatency(latency);

  1147. #ifndef BUILD_BRIDGE

  1148.             pData->latency.recreateBuffers(std::max(aIns, aOuts), latency);

  1149. #endif

  1150.         }

  1151.     }

  1152. 

  1153.     void reloadPrograms(const bool doInit) override

  1154.     {

  1155.         carla_debug("CarlaPluginDSSI::reloadPrograms(%s)", bool2str(doInit));

  1156. 

  1157.         const LADSPA_Handle handle(fHandles.getFirst(nullptr));

  1158.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr,);

  1159. 

  1160.         const uint32_t oldCount = pData->midiprog.count;

  1161.         const int32_t  current  = pData->midiprog.current;

  1162. 

  1163.         // Delete old programs

  1164.         pData->midiprog.clear();

  1165. 

  1166.         // Query new programs

  1167.         uint32_t newCount = 0;

  1168.         if (fDssiDescriptor->get_program != nullptr && fDssiDescriptor->select_program != nullptr)

  1169.         {

  1170.             for (; fDssiDescriptor->get_program(handle, newCount) != nullptr;)

  1171.                 ++newCount;

  1172.         }

  1173. 

  1174.         if (newCount > 0)

  1175.         {

  1176.             pData->midiprog.createNew(newCount);

  1177. 

  1178.             // Update data

  1179.             for (uint32_t i=0; i < newCount; ++i)

  1180.             {

  1181.                 const DSSI_Program_Descriptor* const pdesc(fDssiDescriptor->get_program(handle, i));

  1182.                 CARLA_SAFE_ASSERT_CONTINUE(pdesc != nullptr);

  1183.                 CARLA_SAFE_ASSERT(pdesc->Name != nullptr);

  1184. 

  1185.                 pData->midiprog.data[i].bank    = static_cast<uint32_t>(pdesc->Bank);

  1186.                 pData->midiprog.data[i].program = static_cast<uint32_t>(pdesc->Program);

  1187.                 pData->midiprog.data[i].name    = carla_strdup(pdesc->Name);

  1188.             }

  1189.         }

  1190. 

  1191. #if defined(HAVE_LIBLO) && ! defined(BUILD_BRIDGE)

  1192.         // Update OSC Names

  1193.         if (pData->engine->isOscControlRegistered() && pData->id < pData->engine->getCurrentPluginCount())

  1194.         {

  1195.             pData->engine->oscSend_control_set_midi_program_count(pData->id, newCount);

  1196. 

  1197.             for (uint32_t i=0; i < newCount; ++i)

  1198.                 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);

  1199.         }

  1200. #endif

  1201. 

  1202.         if (doInit)

  1203.         {

  1204.             if (newCount > 0)

  1205.                 setMidiProgram(0, false, false, false);

  1206.         }

  1207.         else

  1208.         {

  1209.             // Check if current program is invalid

  1210.             bool programChanged = false;

  1211. 

  1212.             if (newCount == oldCount+1)

  1213.             {

  1214.                 // one midi program added, probably created by user

  1215.                 pData->midiprog.current = static_cast<int32_t>(oldCount);

  1216.                 programChanged = true;

  1217.             }

  1218.             else if (current < 0 && newCount > 0)

  1219.             {

  1220.                 // programs exist now, but not before

  1221.                 pData->midiprog.current = 0;

  1222.                 programChanged = true;

  1223.             }

  1224.             else if (current >= 0 && newCount == 0)

  1225.             {

  1226.                 // programs existed before, but not anymore

  1227.                 pData->midiprog.current = -1;

  1228.                 programChanged = true;

  1229.             }

  1230.             else if (current >= static_cast<int32_t>(newCount))

  1231.             {

  1232.                 // current midi program > count

  1233.                 pData->midiprog.current = 0;

  1234.                 programChanged = true;

  1235.             }

  1236.             else

  1237.             {

  1238.                 // no change

  1239.                 pData->midiprog.current = current;

  1240.             }

  1241. 

  1242.             if (programChanged)

  1243.                 setMidiProgram(pData->midiprog.current, true, true, true);

  1244. 

  1245.             pData->engine->callback(ENGINE_CALLBACK_RELOAD_PROGRAMS, pData->id, 0, 0, 0.0f, nullptr);

  1246.         }

  1247.     }

  1248. 

  1249.     // -------------------------------------------------------------------

  1250.     // Plugin processing

  1251. 

  1252.     void activate() noexcept override

  1253.     {

  1254.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1255. 

  1256.         if (fDescriptor->activate != nullptr)

  1257.         {

  1258.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  1259.             {

  1260.                 LADSPA_Handle const handle(it.getValue(nullptr));

  1261.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1262. 

  1263.                 try {

  1264.                     fDescriptor->activate(handle);

  1265.                 } CARLA_SAFE_EXCEPTION("DSSI activate");

  1266.             }

  1267.         }

  1268.     }

  1269. 

  1270.     void deactivate() noexcept override

  1271.     {

  1272.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1273. 

  1274.         if (fDescriptor->deactivate != nullptr)

  1275.         {

  1276.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  1277.             {

  1278.                 LADSPA_Handle const handle(it.getValue(nullptr));

  1279.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1280. 

  1281.                 try {

  1282.                     fDescriptor->deactivate(handle);

  1283.                 } CARLA_SAFE_EXCEPTION("DSSI deactivate");

  1284.             }

  1285.         }

  1286.     }

  1287. 

  1288.     void process(const float** const audioIn, float** const audioOut, const float** const, float** const, const uint32_t frames) override

  1289.     {

  1290.         // --------------------------------------------------------------------------------------------------------

  1291.         // Check if active

  1292. 

  1293.         if (! pData->active)

  1294.         {

  1295.             // disable any output sound

  1296.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1297.                 FloatVectorOperations::clear(audioOut[i], static_cast<int>(frames));

  1298.             return;

  1299.         }

  1300. 

  1301.         ulong midiEventCount = 0;

  1302.         carla_zeroStructs(fMidiEvents, kPluginMaxMidiEvents);

  1303. 

  1304.         // --------------------------------------------------------------------------------------------------------

  1305.         // Check if needs reset

  1306. 

  1307.         if (pData->needsReset)

  1308.         {

  1309.             if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1310.             {

  1311.                 midiEventCount = MAX_MIDI_CHANNELS*2;

  1312. 

  1313.                 for (uchar i=0, k=MAX_MIDI_CHANNELS; i < MAX_MIDI_CHANNELS; ++i)

  1314.                 {

  1315.                     fMidiEvents[i].type = SND_SEQ_EVENT_CONTROLLER;

  1316.                     fMidiEvents[i].data.control.channel = i;

  1317.                     fMidiEvents[i].data.control.param   = MIDI_CONTROL_ALL_NOTES_OFF;

  1318. 

  1319.                     fMidiEvents[k+i].type = SND_SEQ_EVENT_CONTROLLER;

  1320.                     fMidiEvents[k+i].data.control.channel = i;

  1321.                     fMidiEvents[k+i].data.control.param   = MIDI_CONTROL_ALL_SOUND_OFF;

  1322.                 }

  1323.             }

  1324.             else if (pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1325.             {

  1326.                 midiEventCount = MAX_MIDI_NOTE;

  1327. 

  1328.                 for (uchar i=0; i < MAX_MIDI_NOTE; ++i)

  1329.                 {

  1330.                     fMidiEvents[i].type = SND_SEQ_EVENT_NOTEOFF;

  1331.                     fMidiEvents[i].data.note.channel = static_cast<uchar>(pData->ctrlChannel);

  1332.                     fMidiEvents[i].data.note.note    = i;

  1333.                 }

  1334.             }

  1335. 

  1336.             pData->needsReset = false;

  1337.         }

  1338. 

  1339.         // --------------------------------------------------------------------------------------------------------

  1340.         // Event Input and Processing

  1341. 

  1342.         if (pData->event.portIn != nullptr)

  1343.         {

  1344.             // ----------------------------------------------------------------------------------------------------

  1345.             // MIDI Input (External)

  1346. 

  1347.             if (pData->extNotes.mutex.tryLock())

  1348.             {

  1349.                 ExternalMidiNote note = { 0, 0, 0 };

  1350. 

  1351.                 for (; midiEventCount < kPluginMaxMidiEvents && ! pData->extNotes.data.isEmpty();)

  1352.                 {

  1353.                     note = pData->extNotes.data.getFirst(note, true);

  1354.                     CARLA_SAFE_ASSERT_CONTINUE(note.channel >= 0 && note.channel < MAX_MIDI_CHANNELS);

  1355. 

  1356.                     snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1357. 

  1358.                     seqEvent.type               = (note.velo > 0) ? SND_SEQ_EVENT_NOTEON : SND_SEQ_EVENT_NOTEOFF;

  1359.                     seqEvent.data.note.channel  = static_cast<uchar>(note.channel);

  1360.                     seqEvent.data.note.note     = note.note;

  1361.                     seqEvent.data.note.velocity = note.velo;

  1362.                 }

  1363. 

  1364.                 pData->extNotes.mutex.unlock();

  1365. 

  1366.             } // End of MIDI Input (External)

  1367. 

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

  1369.             // Event Input (System)

  1370. 

  1371. #ifndef BUILD_BRIDGE

  1372.             bool allNotesOffSent = false;

  1373. #endif

  1374.             const bool isSampleAccurate = (pData->options & PLUGIN_OPTION_FIXED_BUFFERS) == 0;

  1375. 

  1376.             uint32_t startTime  = 0;

  1377.             uint32_t timeOffset = 0;

  1378.             uint32_t nextBankId;

  1379. 

  1380.             if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1381.                 nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1382.             else

  1383.                 nextBankId = 0;

  1384. 

  1385.             for (uint32_t i=0, numEvents=pData->event.portIn->getEventCount(); i < numEvents; ++i)

  1386.             {

  1387.                 const EngineEvent& event(pData->event.portIn->getEvent(i));

  1388. 

  1389.                 if (event.time >= frames)

  1390.                     continue;

  1391. 

  1392.                 CARLA_ASSERT_INT2(event.time >= timeOffset, event.time, timeOffset);

  1393. 

  1394.                 if (isSampleAccurate && event.time > timeOffset)

  1395.                 {

  1396.                     if (processSingle(audioIn, audioOut, event.time - timeOffset, timeOffset, midiEventCount))

  1397.                     {

  1398.                         startTime  = 0;

  1399.                         timeOffset = event.time;

  1400.                         midiEventCount = 0;

  1401. 

  1402.                         if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1403.                             nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1404.                         else

  1405.                             nextBankId = 0;

  1406.                     }

  1407.                     else

  1408.                         startTime += timeOffset;

  1409.                 }

  1410. 

  1411.                 switch (event.type)

  1412.                 {

  1413.                 case kEngineEventTypeNull:

  1414.                     break;

  1415. 

  1416.                 case kEngineEventTypeControl: {

  1417.                     const EngineControlEvent& ctrlEvent(event.ctrl);

  1418. 

  1419.                     switch (ctrlEvent.type)

  1420.                     {

  1421.                     case kEngineControlEventTypeNull:

  1422.                         break;

  1423. 

  1424.                     case kEngineControlEventTypeParameter: {

  1425. #ifndef BUILD_BRIDGE

  1426.                         // Control backend stuff

  1427.                         if (event.channel == pData->ctrlChannel)

  1428.                         {

  1429.                             float value;

  1430. 

  1431.                             if (MIDI_IS_CONTROL_BREATH_CONTROLLER(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_DRYWET) != 0)

  1432.                             {

  1433.                                 value = ctrlEvent.value;

  1434.                                 setDryWet(value, false, false);

  1435.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_DRYWET, 0, value);

  1436.                             }

  1437. 

  1438.                             if (MIDI_IS_CONTROL_CHANNEL_VOLUME(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_VOLUME) != 0)

  1439.                             {

  1440.                                 value = ctrlEvent.value*127.0f/100.0f;

  1441.                                 setVolume(value, false, false);

  1442.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_VOLUME, 0, value);

  1443.                             }

  1444. 

  1445.                             if (MIDI_IS_CONTROL_BALANCE(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_BALANCE) != 0)

  1446.                             {

  1447.                                 float left, right;

  1448.                                 value = ctrlEvent.value/0.5f - 1.0f;

  1449. 

  1450.                                 if (value < 0.0f)

  1451.                                 {

  1452.                                     left  = -1.0f;

  1453.                                     right = (value*2.0f)+1.0f;

  1454.                                 }

  1455.                                 else if (value > 0.0f)

  1456.                                 {

  1457.                                     left  = (value*2.0f)-1.0f;

  1458.                                     right = 1.0f;

  1459.                                 }

  1460.                                 else

  1461.                                 {

  1462.                                     left  = -1.0f;

  1463.                                     right = 1.0f;

  1464.                                 }

  1465. 

  1466.                                 setBalanceLeft(left, false, false);

  1467.                                 setBalanceRight(right, false, false);

  1468.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_LEFT, 0, left);

  1469.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_RIGHT, 0, right);

  1470.                             }

  1471.                         }

  1472. #endif

  1473.                         // Control plugin parameters

  1474.                         for (uint32_t k=0; k < pData->param.count; ++k)

  1475.                         {

  1476.                             if (pData->param.data[k].midiChannel != event.channel)

  1477.                                 continue;

  1478.                             if (pData->param.data[k].midiCC != ctrlEvent.param)

  1479.                                 continue;

  1480.                             if (pData->param.data[k].type != PARAMETER_INPUT)

  1481.                                 continue;

  1482.                             if ((pData->param.data[k].hints & PARAMETER_IS_AUTOMABLE) == 0)

  1483.                                 continue;

  1484. 

  1485.                             float value;

  1486. 

  1487.                             if (pData->param.data[k].hints & PARAMETER_IS_BOOLEAN)

  1488.                             {

  1489.                                 value = (ctrlEvent.value < 0.5f) ? pData->param.ranges[k].min : pData->param.ranges[k].max;

  1490.                             }

  1491.                             else

  1492.                             {

  1493.                                 if (pData->param.data[k].hints & PARAMETER_IS_LOGARITHMIC)

  1494.                                     value = pData->param.ranges[k].getUnnormalizedLogValue(ctrlEvent.value);

  1495.                                 else

  1496.                                     value = pData->param.ranges[k].getUnnormalizedValue(ctrlEvent.value);

  1497. 

  1498.                                 if (pData->param.data[k].hints & PARAMETER_IS_INTEGER)

  1499.                                     value = std::rint(value);

  1500.                             }

  1501. 

  1502.                             setParameterValue(k, value, false, false, false);

  1503.                             pData->postponeRtEvent(kPluginPostRtEventParameterChange, static_cast<int32_t>(k), 0, value);

  1504.                         }

  1505. 

  1506.                         if ((pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0 && ctrlEvent.param < MAX_MIDI_CONTROL)

  1507.                         {

  1508.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1509.                                 continue;

  1510. 

  1511.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1512. 

  1513.                             seqEvent.time.tick = isSampleAccurate ? startTime : event.time;

  1514. 

  1515.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1516.                             seqEvent.data.control.channel = event.channel;

  1517.                             seqEvent.data.control.param   = ctrlEvent.param;

  1518.                             seqEvent.data.control.value   = int8_t(ctrlEvent.value*127.0f);

  1519.                         }

  1520. 

  1521.                         break;

  1522.                     } // case kEngineControlEventTypeParameter

  1523. 

  1524.                     case kEngineControlEventTypeMidiBank:

  1525.                         if (event.channel == pData->ctrlChannel && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1526.                             nextBankId = ctrlEvent.param;

  1527.                         break;

  1528. 

  1529.                     case kEngineControlEventTypeMidiProgram:

  1530.                         if (event.channel == pData->ctrlChannel && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1531.                         {

  1532.                             const uint32_t nextProgramId = ctrlEvent.param;

  1533. 

  1534.                             for (uint32_t k=0; k < pData->midiprog.count; ++k)

  1535.                             {

  1536.                                 if (pData->midiprog.data[k].bank == nextBankId && pData->midiprog.data[k].program == nextProgramId)

  1537.                                 {

  1538.                                     const int32_t index(static_cast<int32_t>(k));

  1539.                                     setMidiProgram(index, false, false, false);

  1540.                                     pData->postponeRtEvent(kPluginPostRtEventMidiProgramChange, index, 0, 0.0f);

  1541.                                     break;

  1542.                                 }

  1543.                             }

  1544.                         }

  1545.                         break;

  1546. 

  1547.                     case kEngineControlEventTypeAllSoundOff:

  1548.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1549.                         {

  1550.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1551.                                 continue;

  1552. 

  1553.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1554. 

  1555.                             seqEvent.time.tick = isSampleAccurate ? startTime : event.time;

  1556. 

  1557.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1558.                             seqEvent.data.control.channel = event.channel;

  1559.                             seqEvent.data.control.param   = MIDI_CONTROL_ALL_SOUND_OFF;

  1560.                         }

  1561.                         break;

  1562. 

  1563.                     case kEngineControlEventTypeAllNotesOff:

  1564.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1565.                         {

  1566. #ifndef BUILD_BRIDGE

  1567.                             if (event.channel == pData->ctrlChannel && ! allNotesOffSent)

  1568.                             {

  1569.                                 allNotesOffSent = true;

  1570.                                 sendMidiAllNotesOffToCallback();

  1571.                             }

  1572. #endif

  1573. 

  1574.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1575.                                 continue;

  1576. 

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

  1578. 

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

  1580. 

  1581.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

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

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

  1584.                         }

  1585.                         break;

  1586.                     } // switch (ctrlEvent.type)

  1587.                     break;

  1588.                 } // case kEngineEventTypeControl

  1589. 

  1590.                 case kEngineEventTypeMidi: {

  1591.                     if (midiEventCount >= kPluginMaxMidiEvents)

  1592.                         continue;

  1593. 

  1594.                     const EngineMidiEvent& midiEvent(event.midi);

  1595. 

  1596.                     if (midiEvent.size > EngineMidiEvent::kDataSize)

  1597.                         continue;

  1598. 

  1599.                     uint8_t status = uint8_t(MIDI_GET_STATUS_FROM_DATA(midiEvent.data));

  1600. 

  1601.                     // Fix bad note-off (per DSSI spec)

  1602.                     if (status == MIDI_STATUS_NOTE_ON && midiEvent.data[2] == 0)

  1603.                         status = MIDI_STATUS_NOTE_OFF;

  1604. 

  1605.                     snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1606. 

  1607.                     seqEvent.time.tick = isSampleAccurate ? startTime : event.time;

  1608. 

  1609.                     switch (status)

  1610.                     {

  1611.                     case MIDI_STATUS_NOTE_OFF: {

  1612.                         const uint8_t note = midiEvent.data[1];

  1613. 

  1614.                         seqEvent.type = SND_SEQ_EVENT_NOTEOFF;

  1615.                         seqEvent.data.note.channel = event.channel;

  1616.                         seqEvent.data.note.note    = note;

  1617. 

  1618.                         pData->postponeRtEvent(kPluginPostRtEventNoteOff, event.channel, note, 0.0f);

  1619.                         break;

  1620.                     }

  1621. 

  1622.                     case MIDI_STATUS_NOTE_ON: {

  1623.                         const uint8_t note = midiEvent.data[1];

  1624.                         const uint8_t velo = midiEvent.data[2];

  1625. 

  1626.                         seqEvent.type = SND_SEQ_EVENT_NOTEON;

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

  1628.                         seqEvent.data.note.note     = note;

  1629.                         seqEvent.data.note.velocity = velo;

  1630. 

  1631.                         pData->postponeRtEvent(kPluginPostRtEventNoteOn, event.channel, note, velo);

  1632.                         break;

  1633.                     }

  1634. 

  1635.                     case MIDI_STATUS_POLYPHONIC_AFTERTOUCH:

  1636.                         if (pData->options & PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH)

  1637.                         {

  1638.                             const uint8_t note     = midiEvent.data[1];

  1639.                             const uint8_t pressure = midiEvent.data[2];

  1640. 

  1641.                             seqEvent.type = SND_SEQ_EVENT_KEYPRESS;

  1642.                             seqEvent.data.note.channel  = event.channel;

  1643.                             seqEvent.data.note.note     = note;

  1644.                             seqEvent.data.note.velocity = pressure;

  1645.                         }

  1646.                         break;

  1647. 

  1648.                     case MIDI_STATUS_CONTROL_CHANGE:

  1649.                         if (pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES)

  1650.                         {

  1651.                             const uint8_t control = midiEvent.data[1];

  1652.                             const uint8_t value   = midiEvent.data[2];

  1653. 

  1654.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1655.                             seqEvent.data.control.channel = event.channel;

  1656.                             seqEvent.data.control.param   = control;

  1657.                             seqEvent.data.control.value   = value;

  1658.                         }

  1659.                         break;

  1660. 

  1661.                     case MIDI_STATUS_CHANNEL_PRESSURE:

  1662.                         if (pData->options & PLUGIN_OPTION_SEND_CHANNEL_PRESSURE)

  1663.                         {

  1664.                             const uint8_t pressure = midiEvent.data[1];

  1665. 

  1666.                             seqEvent.type = SND_SEQ_EVENT_CHANPRESS;

  1667.                             seqEvent.data.control.channel = event.channel;

  1668.                             seqEvent.data.control.value   = pressure;

  1669.                         }

  1670.                         break;

  1671. 

  1672.                     case MIDI_STATUS_PITCH_WHEEL_CONTROL:

  1673.                         if (pData->options & PLUGIN_OPTION_SEND_PITCHBEND)

  1674.                         {

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

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

  1677. 

  1678.                             seqEvent.type = SND_SEQ_EVENT_PITCHBEND;

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

  1680.                             seqEvent.data.control.value   = ((msb << 7) | lsb) - 8192;

  1681.                         }

  1682.                         break;

  1683. 

  1684.                     default:

  1685.                         --midiEventCount;

  1686.                         break;

  1687.                     } // switch (status)

  1688.                 } break;

  1689.                 } // switch (event.type)

  1690.             }

  1691. 

  1692.             pData->postRtEvents.trySplice();

  1693. 

  1694.             if (frames > timeOffset)

  1695.                 processSingle(audioIn, audioOut, frames - timeOffset, timeOffset, midiEventCount);

  1696. 

  1697.         } // End of Event Input and Processing

  1698. 

  1699.         // --------------------------------------------------------------------------------------------------------

  1700.         // Plugin processing (no events)

  1701. 

  1702.         else

  1703.         {

  1704.             processSingle(audioIn, audioOut, frames, 0, midiEventCount);

  1705. 

  1706.         } // End of Plugin processing (no events)

  1707. 

  1708.         // --------------------------------------------------------------------------------------------------------

  1709.         // Control Output

  1710. 

  1711.         if (pData->event.portOut != nullptr)

  1712.         {

  1713.             uint8_t  channel;

  1714.             uint16_t param;

  1715.             float    value;

  1716. 

  1717.             for (uint32_t k=0; k < pData->param.count; ++k)

  1718.             {

  1719.                 if (pData->param.data[k].type != PARAMETER_OUTPUT)

  1720.                     continue;

  1721. 

  1722.                 pData->param.ranges[k].fixValue(fParamBuffers[k]);

  1723. 

  1724.                 if (pData->param.data[k].midiCC > 0)

  1725.                 {

  1726.                     channel = pData->param.data[k].midiChannel;

  1727.                     param   = static_cast<uint16_t>(pData->param.data[k].midiCC);

  1728.                     value   = pData->param.ranges[k].getNormalizedValue(fParamBuffers[k]);

  1729.                     pData->event.portOut->writeControlEvent(0, channel, kEngineControlEventTypeParameter, param, value);

  1730.                 }

  1731.             }

  1732.         } // End of Control Output

  1733.     }

  1734. 

  1735.     bool processSingle(const float** const audioIn, float** const audioOut, const uint32_t frames,

  1736.                        const uint32_t timeOffset, const ulong midiEventCount)

  1737.     {

  1738.         CARLA_SAFE_ASSERT_RETURN(frames > 0, false);

  1739. 

  1740.         if (pData->audioIn.count > 0)

  1741.         {

  1742.             CARLA_SAFE_ASSERT_RETURN(audioIn != nullptr, false);

  1743.         }

  1744.         if (pData->audioOut.count > 0)

  1745.         {

  1746.             CARLA_SAFE_ASSERT_RETURN(audioOut != nullptr, false);

  1747.         }

  1748. 

  1749.         // --------------------------------------------------------------------------------------------------------

  1750.         // Try lock, silence otherwise

  1751. 

  1752.         if (pData->engine->isOffline())

  1753.         {

  1754.             pData->singleMutex.lock();

  1755.         }

  1756.         else if (! pData->singleMutex.tryLock())

  1757.         {

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

  1759.             {

  1760.                 for (uint32_t k=0; k < frames; ++k)

  1761.                     audioOut[i][k+timeOffset] = 0.0f;

  1762.             }

  1763. 

  1764.             return false;

  1765.         }

  1766. 

  1767.         const int iframes(static_cast<int>(frames));

  1768. 

  1769.         // --------------------------------------------------------------------------------------------------------

  1770.         // Set audio buffers

  1771. 

  1772.         const bool customMonoOut   = pData->audioOut.count == 2 && fForcedStereoOut && ! fForcedStereoIn;

  1773.         const bool customStereoOut = pData->audioOut.count == 2 && fForcedStereoIn  && ! fForcedStereoOut;

  1774. 

  1775.         if (! customMonoOut)

  1776.         {

  1777.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1778.                 FloatVectorOperations::clear(fAudioOutBuffers[i], iframes);

  1779.         }

  1780. 

  1781.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1782.             FloatVectorOperations::copy(fAudioInBuffers[i], audioIn[i]+timeOffset, iframes);

  1783. 

  1784.         // --------------------------------------------------------------------------------------------------------

  1785.         // Run plugin

  1786. 

  1787.         uint instn = 0;

  1788.         for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next(), ++instn)

  1789.         {

  1790.             LADSPA_Handle const handle(it.getValue(nullptr));

  1791.             CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1792. 

  1793.             // ----------------------------------------------------------------------------------------------------

  1794.             // Mixdown for forced stereo

  1795. 

  1796.             if (customMonoOut)

  1797.                 FloatVectorOperations::clear(fAudioOutBuffers[instn], iframes);

  1798. 

  1799.             // ----------------------------------------------------------------------------------------------------

  1800.             // Run it

  1801. 

  1802.             if (fDssiDescriptor->run_synth != nullptr)

  1803.             {

  1804.                 try {

  1805.                     fDssiDescriptor->run_synth(handle, frames, fMidiEvents, midiEventCount);

  1806.                 } CARLA_SAFE_EXCEPTION("DSSI run_synth");

  1807.             }

  1808.             else

  1809.             {

  1810.                 try {

  1811.                     fDescriptor->run(handle, frames);

  1812.                 } CARLA_SAFE_EXCEPTION("DSSI run");

  1813.             }

  1814. 

  1815.             // ----------------------------------------------------------------------------------------------------

  1816.             // Mixdown for forced stereo

  1817. 

  1818.             if (customMonoOut)

  1819.                 FloatVectorOperations::multiply(fAudioOutBuffers[instn], 0.5f, iframes);

  1820.             else if (customStereoOut)

  1821.                 FloatVectorOperations::copy(fExtraStereoBuffer[instn], fAudioOutBuffers[instn], iframes);

  1822.         }

  1823. 

  1824.         if (customStereoOut)

  1825.         {

  1826.             FloatVectorOperations::copy(fAudioOutBuffers[0], fExtraStereoBuffer[0], iframes);

  1827.             FloatVectorOperations::copy(fAudioOutBuffers[1], fExtraStereoBuffer[1], iframes);

  1828.         }

  1829. 

  1830. #ifndef BUILD_BRIDGE

  1831.         // --------------------------------------------------------------------------------------------------------

  1832.         // Post-processing (dry/wet, volume and balance)

  1833. 

  1834.         {

  1835.             const bool doDryWet  = (pData->hints & PLUGIN_CAN_DRYWET) != 0 && carla_isNotEqual(pData->postProc.dryWet, 1.0f);

  1836.             const bool doBalance = (pData->hints & PLUGIN_CAN_BALANCE) != 0 && ! (carla_isEqual(pData->postProc.balanceLeft, -1.0f) && carla_isEqual(pData->postProc.balanceRight, 1.0f));

  1837.             const bool isMono    = (pData->audioIn.count == 1);

  1838. 

  1839.             bool isPair;

  1840.             float bufValue, oldBufLeft[doBalance ? frames : 1];

  1841. 

  1842.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1843.             {

  1844.                 // Dry/Wet

  1845.                 if (doDryWet)

  1846.                 {

  1847.                     const uint32_t c = isMono ? 0 : i;

  1848. 

  1849.                     for (uint32_t k=0; k < frames; ++k)

  1850.                     {

  1851.                         if (k < pData->latency.frames)

  1852.                             bufValue = pData->latency.buffers[c][k];

  1853.                         else if (pData->latency.frames < frames)

  1854.                             bufValue = fAudioInBuffers[c][k-pData->latency.frames];

  1855.                         else

  1856.                             bufValue = fAudioInBuffers[c][k];

  1857. 

  1858.                         fAudioOutBuffers[i][k] = (fAudioOutBuffers[i][k] * pData->postProc.dryWet) + (bufValue * (1.0f - pData->postProc.dryWet));

  1859.                     }

  1860.                 }

  1861. 

  1862.                 // Balance

  1863.                 if (doBalance)

  1864.                 {

  1865.                     isPair = (i % 2 == 0);

  1866. 

  1867.                     if (isPair)

  1868.                     {

  1869.                         CARLA_ASSERT(i+1 < pData->audioOut.count);

  1870.                         FloatVectorOperations::copy(oldBufLeft, fAudioOutBuffers[i], iframes);

  1871.                     }

  1872. 

  1873.                     float balRangeL = (pData->postProc.balanceLeft  + 1.0f)/2.0f;

  1874.                     float balRangeR = (pData->postProc.balanceRight + 1.0f)/2.0f;

  1875. 

  1876.                     for (uint32_t k=0; k < frames; ++k)

  1877.                     {

  1878.                         if (isPair)

  1879.                         {

  1880.                             // left

  1881.                             fAudioOutBuffers[i][k]  = oldBufLeft[k]            * (1.0f - balRangeL);

  1882.                             fAudioOutBuffers[i][k] += fAudioOutBuffers[i+1][k] * (1.0f - balRangeR);

  1883.                         }

  1884.                         else

  1885.                         {

  1886.                             // right

  1887.                             fAudioOutBuffers[i][k]  = fAudioOutBuffers[i][k] * balRangeR;

  1888.                             fAudioOutBuffers[i][k] += oldBufLeft[k]          * balRangeL;

  1889.                         }

  1890.                     }

  1891.                 }

  1892. 

  1893.                 // Volume (and buffer copy)

  1894.                 {

  1895.                     for (uint32_t k=0; k < frames; ++k)

  1896.                         audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k] * pData->postProc.volume;

  1897.                 }

  1898.             }

  1899. 

  1900.         } // End of Post-processing

  1901. 

  1902.         // --------------------------------------------------------------------------------------------------------

  1903.         // Save latency values for next callback

  1904. 

  1905.         if (const uint32_t latframes = pData->latency.frames)

  1906.         {

  1907.             CARLA_SAFE_ASSERT(timeOffset == 0);

  1908. 

  1909.             if (latframes <= frames)

  1910.             {

  1911.                 for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1912.                     FloatVectorOperations::copy(pData->latency.buffers[i], audioIn[i]+(frames-latframes), static_cast<int>(latframes));

  1913.             }

  1914.             else

  1915.             {

  1916.                 const uint32_t diff = pData->latency.frames-frames;

  1917. 

  1918.                 for (uint32_t i=0, k; i<pData->audioIn.count; ++i)

  1919.                 {

  1920.                     // push back buffer by 'frames'

  1921.                     for (k=0; k < diff; ++k)

  1922.                         pData->latency.buffers[i][k] = pData->latency.buffers[i][k+frames];

  1923. 

  1924.                     // put current input at the end

  1925.                     for (uint32_t j=0; k < latframes; ++j, ++k)

  1926.                         pData->latency.buffers[i][k] = audioIn[i][j];

  1927.                 }

  1928.             }

  1929.         }

  1930. 

  1931. #else // BUILD_BRIDGE

  1932.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1933.         {

  1934.             for (uint32_t k=0; k < frames; ++k)

  1935.                 audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k];

  1936.         }

  1937. #endif

  1938. 

  1939.         // --------------------------------------------------------------------------------------------------------

  1940. 

  1941.         pData->singleMutex.unlock();

  1942.         return true;

  1943.     }

  1944. 

  1945.     void bufferSizeChanged(const uint32_t newBufferSize) override

  1946.     {

  1947.         CARLA_ASSERT_INT(newBufferSize > 0, newBufferSize);

  1948.         carla_debug("CarlaPluginDSSI::bufferSizeChanged(%i) - start", newBufferSize);

  1949. 

  1950.         const int iBufferSize(static_cast<int>(newBufferSize));

  1951. 

  1952.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1953.         {

  1954.             if (fAudioInBuffers[i] != nullptr)

  1955.                 delete[] fAudioInBuffers[i];

  1956. 

  1957.             fAudioInBuffers[i] = new float[newBufferSize];

  1958.             FloatVectorOperations::clear(fAudioInBuffers[i], iBufferSize);

  1959.         }

  1960. 

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

  1962.         {

  1963.             if (fAudioOutBuffers[i] != nullptr)

  1964.                 delete[] fAudioOutBuffers[i];

  1965. 

  1966.             fAudioOutBuffers[i] = new float[newBufferSize];

  1967.             FloatVectorOperations::clear(fAudioOutBuffers[i], iBufferSize);

  1968.         }

  1969. 

  1970.         if (fExtraStereoBuffer[0] != nullptr)

  1971.         {

  1972.             delete[] fExtraStereoBuffer[0];

  1973.             fExtraStereoBuffer[0] = nullptr;

  1974.         }

  1975. 

  1976.         if (fExtraStereoBuffer[1] != nullptr)

  1977.         {

  1978.             delete[] fExtraStereoBuffer[1];

  1979.             fExtraStereoBuffer[1] = nullptr;

  1980.         }

  1981. 

  1982.         if (fForcedStereoIn && pData->audioOut.count == 2)

  1983.         {

  1984.             fExtraStereoBuffer[0] = new float[newBufferSize];

  1985.             fExtraStereoBuffer[1] = new float[newBufferSize];

  1986.             FloatVectorOperations::clear(fExtraStereoBuffer[0], iBufferSize);

  1987.             FloatVectorOperations::clear(fExtraStereoBuffer[1], iBufferSize);

  1988.         }

  1989. 

  1990.         reconnectAudioPorts();

  1991. 

  1992.         carla_debug("CarlaPluginDSSI::bufferSizeChanged(%i) - end", newBufferSize);

  1993.     }

  1994. 

  1995.     void sampleRateChanged(const double newSampleRate) override

  1996.     {

  1997.         CARLA_ASSERT_INT(newSampleRate > 0.0, newSampleRate);

  1998.         carla_debug("CarlaPluginDSSI::sampleRateChanged(%g) - start", newSampleRate);

  1999. 

  2000.         // TODO - handle UI stuff

  2001. 

  2002.         if (pData->active)

  2003.             deactivate();

  2004. 

  2005.         const std::size_t instanceCount(fHandles.count());

  2006. 

  2007.         if (fDescriptor->cleanup == nullptr)

  2008.         {

  2009.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  2010.             {

  2011.                 LADSPA_Handle const handle(it.getValue(nullptr));

  2012.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  2013. 

  2014.                 try {

  2015.                     fDescriptor->cleanup(handle);

  2016.                 } CARLA_SAFE_EXCEPTION("LADSPA cleanup");

  2017.             }

  2018.         }

  2019. 

  2020.         fHandles.clear();

  2021. 

  2022.         for (std::size_t i=0; i<instanceCount; ++i)

  2023.             addInstance();

  2024. 

  2025.         reconnectAudioPorts();

  2026. 

  2027.         if (pData->active)

  2028.             activate();

  2029. 

  2030.         carla_debug("CarlaPluginDSSI::sampleRateChanged(%g) - end", newSampleRate);

  2031.     }

  2032. 

  2033.     void reconnectAudioPorts() const noexcept

  2034.     {

  2035.         if (fForcedStereoIn)

  2036.         {

  2037.             if (LADSPA_Handle const handle = fHandles.getFirst(nullptr))

  2038.             {

  2039.                 try {

  2040.                     fDescriptor->connect_port(handle, pData->audioIn.ports[0].rindex, fAudioInBuffers[0]);

  2041.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port (forced stereo input, first)");

  2042.             }

  2043. 

  2044.             if (LADSPA_Handle const handle = fHandles.getLast(nullptr))

  2045.             {

  2046.                 try {

  2047.                     fDescriptor->connect_port(handle, pData->audioIn.ports[1].rindex, fAudioInBuffers[1]);

  2048.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port (forced stereo input, last)");

  2049.             }

  2050.         }

  2051.         else

  2052.         {

  2053.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  2054.             {

  2055.                 LADSPA_Handle const handle(it.getValue(nullptr));

  2056.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  2057. 

  2058.                 for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2059.                 {

  2060.                     try {

  2061.                         fDescriptor->connect_port(handle, pData->audioIn.ports[i].rindex, fAudioInBuffers[i]);

  2062.                     } CARLA_SAFE_EXCEPTION("DSSI connect_port (audio input)");

  2063.                 }

  2064.             }

  2065.         }

  2066. 

  2067.         if (fForcedStereoOut)

  2068.         {

  2069.             if (LADSPA_Handle const handle = fHandles.getFirst(nullptr))

  2070.             {

  2071.                 try {

  2072.                     fDescriptor->connect_port(handle, pData->audioOut.ports[0].rindex, fAudioOutBuffers[0]);

  2073.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port (forced stereo output, first)");

  2074.             }

  2075. 

  2076.             if (LADSPA_Handle const handle = fHandles.getLast(nullptr))

  2077.             {

  2078.                 try {

  2079.                     fDescriptor->connect_port(handle, pData->audioOut.ports[1].rindex, fAudioOutBuffers[1]);

  2080.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port (forced stereo output, last)");

  2081.             }

  2082.         }

  2083.         else

  2084.         {

  2085.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  2086.             {

  2087.                 LADSPA_Handle const handle(it.getValue(nullptr));

  2088.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  2089. 

  2090.                 for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2091.                 {

  2092.                     try {

  2093.                         fDescriptor->connect_port(handle, pData->audioOut.ports[i].rindex, fAudioOutBuffers[i]);

  2094.                     } CARLA_SAFE_EXCEPTION("DSSI connect_port (audio output)");

  2095.                 }

  2096.             }

  2097.         }

  2098.     }

  2099. 

  2100.     // -------------------------------------------------------------------

  2101.     // Plugin buffers

  2102. 

  2103.     void clearBuffers() noexcept override

  2104.     {

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

  2106. 

  2107.         if (fAudioInBuffers != nullptr)

  2108.         {

  2109.             for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2110.             {

  2111.                 if (fAudioInBuffers[i] != nullptr)

  2112.                 {

  2113.                     delete[] fAudioInBuffers[i];

  2114.                     fAudioInBuffers[i] = nullptr;

  2115.                 }

  2116.             }

  2117. 

  2118.             delete[] fAudioInBuffers;

  2119.             fAudioInBuffers = nullptr;

  2120.         }

  2121. 

  2122.         if (fAudioOutBuffers != nullptr)

  2123.         {

  2124.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2125.             {

  2126.                 if (fAudioOutBuffers[i] != nullptr)

  2127.                 {

  2128.                     delete[] fAudioOutBuffers[i];

  2129.                     fAudioOutBuffers[i] = nullptr;

  2130.                 }

  2131.             }

  2132. 

  2133.             delete[] fAudioOutBuffers;

  2134.             fAudioOutBuffers = nullptr;

  2135.         }

  2136. 

  2137.         if (fExtraStereoBuffer[0] != nullptr)

  2138.         {

  2139.             delete[] fExtraStereoBuffer[0];

  2140.             fExtraStereoBuffer[0] = nullptr;

  2141.         }

  2142. 

  2143.         if (fExtraStereoBuffer[1] != nullptr)

  2144.         {

  2145.             delete[] fExtraStereoBuffer[1];

  2146.             fExtraStereoBuffer[1] = nullptr;

  2147.         }

  2148. 

  2149.         if (fParamBuffers != nullptr)

  2150.         {

  2151.             delete[] fParamBuffers;

  2152.             fParamBuffers = nullptr;

  2153.         }

  2154. 

  2155.         CarlaPlugin::clearBuffers();

  2156. 

  2157.         carla_debug("CarlaPluginDSSI::clearBuffers() - end");

  2158.     }

  2159. 

  2160. #ifdef HAVE_LIBLO

  2161.     // -------------------------------------------------------------------

  2162.     // OSC stuff

  2163. 

  2164.     void handleOscMessage(const char* const method, const int argc, const void* const argvx, const char* const types, const lo_message msg) override

  2165.     {

  2166.         const lo_address source(lo_message_get_source(msg));

  2167.         CARLA_SAFE_ASSERT_RETURN(source != nullptr,);

  2168. 

  2169.         // protocol for DSSI UIs *must* be UDP

  2170.         CARLA_SAFE_ASSERT_RETURN(lo_address_get_protocol(source) == LO_UDP,);

  2171. 

  2172.         if (fOscData.source == nullptr)

  2173.         {

  2174.             // if no UI is registered yet only "configure" and "update" messages are valid

  2175.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(method, "configure") == 0 || std::strcmp(method, "update") == 0,)

  2176.         }

  2177.         else

  2178.         {

  2179.             // make sure message source is the DSSI UI

  2180.             const char* const msghost = lo_address_get_hostname(source);

  2181.             const char* const msgport = lo_address_get_port(source);

  2182. 

  2183.             const char* const ourhost = lo_address_get_hostname(fOscData.source);

  2184.             const char* const ourport = lo_address_get_port(fOscData.source);

  2185. 

  2186.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(msghost, ourhost) == 0,);

  2187.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(msgport, ourport) == 0,);

  2188.         }

  2189. 

  2190.         const lo_arg* const* const argv(static_cast<const lo_arg* const* const>(argvx));

  2191. 

  2192.         if (std::strcmp(method, "configure") == 0)

  2193.             return handleOscMessageConfigure(argc, argv, types);

  2194.         if (std::strcmp(method, "control") == 0)

  2195.             return handleOscMessageControl(argc, argv, types);

  2196.         if (std::strcmp(method, "program") == 0)

  2197.             return handleOscMessageProgram(argc, argv, types);

  2198.         if (std::strcmp(method, "midi") == 0)

  2199.             return handleOscMessageMIDI(argc, argv, types);

  2200.         if (std::strcmp(method, "update") == 0)

  2201.             return handleOscMessageUpdate(argc, argv, types, lo_message_get_source(msg));

  2202.         if (std::strcmp(method, "exiting") == 0)

  2203.             return handleOscMessageExiting();

  2204. 

  2205.         carla_stdout("CarlaPluginDSSI::handleOscMessage() - unknown method '%s'", method);

  2206.     }

  2207. 

  2208.     void handleOscMessageConfigure(const int argc, const lo_arg* const* const argv, const char* const types)

  2209.     {

  2210.         carla_debug("CarlaPluginDSSI::handleMsgConfigure()");

  2211.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "ss");

  2212. 

  2213.         const char* const key   = (const char*)&argv[0]->s;

  2214.         const char* const value = (const char*)&argv[1]->s;

  2215. 

  2216.         setCustomData(CUSTOM_DATA_TYPE_STRING, key, value, false);

  2217.     }

  2218. 

  2219.     void handleOscMessageControl(const int argc, const lo_arg* const* const argv, const char* const types)

  2220.     {

  2221.         carla_debug("CarlaPluginDSSI::handleMsgControl()");

  2222.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "if");

  2223. 

  2224.         const int32_t rindex = argv[0]->i;

  2225.         const float   value  = argv[1]->f;

  2226. 

  2227.         setParameterValueByRealIndex(rindex, value, false, true, true);

  2228.     }

  2229. 

  2230.     void handleOscMessageProgram(const int argc, const lo_arg* const* const argv, const char* const types)

  2231.     {

  2232.         carla_debug("CarlaPluginDSSI::handleMsgProgram()");

  2233.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "ii");

  2234. 

  2235.         const int32_t bank    = argv[0]->i;

  2236.         const int32_t program = argv[1]->i;

  2237. 

  2238.         CARLA_SAFE_ASSERT_RETURN(bank >= 0,);

  2239.         CARLA_SAFE_ASSERT_RETURN(program >= 0,);

  2240. 

  2241.         setMidiProgramById(static_cast<uint32_t>(bank), static_cast<uint32_t>(program), false, true, true);

  2242.     }

  2243. 

  2244.     void handleOscMessageMIDI(const int argc, const lo_arg* const* const argv, const char* const types)

  2245.     {

  2246.         carla_debug("CarlaPluginDSSI::handleMsgMidi()");

  2247.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(1, "m");

  2248. 

  2249.         if (getMidiInCount() == 0)

  2250.         {

  2251.             carla_stderr("CarlaPluginDSSI::handleMsgMidi() - received midi when plugin has no midi inputs");

  2252.             return;

  2253.         }

  2254. 

  2255.         const uint8_t* const data = argv[0]->m;

  2256.         uint8_t status  = data[1];

  2257.         uint8_t channel = status & 0x0F;

  2258. 

  2259.         // Fix bad note-off

  2260.         if (MIDI_IS_STATUS_NOTE_ON(status) && data[3] == 0)

  2261.             status = MIDI_STATUS_NOTE_OFF;

  2262. 

  2263.         if (MIDI_IS_STATUS_NOTE_OFF(status))

  2264.         {

  2265.             const uint8_t note = data[2];

  2266. 

  2267.             CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2268. 

  2269.             sendMidiSingleNote(channel, note, 0, false, true, true);

  2270.         }

  2271.         else if (MIDI_IS_STATUS_NOTE_ON(status))

  2272.         {

  2273.             const uint8_t note = data[2];

  2274.             const uint8_t velo = data[3];

  2275. 

  2276.             CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2277.             CARLA_SAFE_ASSERT_RETURN(velo < MAX_MIDI_VALUE,);

  2278. 

  2279.             sendMidiSingleNote(channel, note, velo, false, true, true);

  2280.         }

  2281.     }

  2282. 

  2283.     void handleOscMessageUpdate(const int argc, const lo_arg* const* const argv, const char* const types, const lo_address source)

  2284.     {

  2285.         carla_debug("CarlaPluginDSSI::handleMsgUpdate()");

  2286.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(1, "s");

  2287. 

  2288.         const char* const url = (const char*)&argv[0]->s;

  2289. 

  2290.         // FIXME - remove debug prints later

  2291.         carla_stdout("CarlaPluginDSSI::updateOscData(%p, \"%s\")", source, url);

  2292. 

  2293.         fOscData.clear();

  2294. 

  2295.         const int proto = lo_address_get_protocol(source);

  2296. 

  2297.         {

  2298.             const char* host = lo_address_get_hostname(source);

  2299.             const char* port = lo_address_get_port(source);

  2300.             fOscData.source = lo_address_new_with_proto(proto, host, port);

  2301. 

  2302.             carla_stdout("CarlaPlugin::updateOscData() - source: host \"%s\", port \"%s\"", host, port);

  2303.         }

  2304. 

  2305.         {

  2306.             char* host = lo_url_get_hostname(url);

  2307.             char* port = lo_url_get_port(url);

  2308.             fOscData.path   = carla_strdup_free(lo_url_get_path(url));

  2309.             fOscData.target = lo_address_new_with_proto(proto, host, port);

  2310.             carla_stdout("CarlaPlugin::updateOscData() - target: host \"%s\", port \"%s\", path \"%s\"", host, port, fOscData.path);

  2311. 

  2312.             std::free(host);

  2313.             std::free(port);

  2314.         }

  2315. 

  2316.         osc_send_sample_rate(fOscData, static_cast<float>(pData->engine->getSampleRate()));

  2317. 

  2318.         for (LinkedList<CustomData>::Itenerator it = pData->custom.begin2(); it.valid(); it.next())

  2319.         {

  2320.             const CustomData& customData(it.getValue(kCustomDataFallback));

  2321.             CARLA_SAFE_ASSERT_CONTINUE(customData.isValid());

  2322. 

  2323.             if (std::strcmp(customData.type, CUSTOM_DATA_TYPE_STRING) == 0)

  2324.                 osc_send_configure(fOscData, customData.key, customData.value);

  2325.         }

  2326. 

  2327.         if (pData->prog.current >= 0)

  2328.             osc_send_program(fOscData, static_cast<uint32_t>(pData->prog.current));

  2329. 

  2330.         if (pData->midiprog.current >= 0)

  2331.         {

  2332.             const MidiProgramData& curMidiProg(pData->midiprog.getCurrent());

  2333.             osc_send_program(fOscData, curMidiProg.bank, curMidiProg.program);

  2334.         }

  2335. 

  2336.         for (uint32_t i=0; i < pData->param.count; ++i)

  2337.             osc_send_control(fOscData, pData->param.data[i].rindex, getParameterValue(i));

  2338. 

  2339.         if (pData->engine->getOptions().frontendWinId != 0)

  2340.             pData->transientTryCounter = 1;

  2341. 

  2342.         carla_stdout("CarlaPluginDSSI::updateOscData() - done");

  2343.     }

  2344. 

  2345.     void handleOscMessageExiting()

  2346.     {

  2347.         carla_debug("CarlaPluginDSSI::handleMsgExiting()");

  2348. 

  2349.         // hide UI

  2350.         showCustomUI(false);

  2351. 

  2352.         // tell frontend

  2353.         pData->engine->callback(ENGINE_CALLBACK_UI_STATE_CHANGED, pData->id, 0, 0, 0.0f, nullptr);

  2354.     }

  2355. 

  2356.     // -------------------------------------------------------------------

  2357.     // Post-poned UI Stuff

  2358. 

  2359.     void uiParameterChange(const uint32_t index, const float value) noexcept override

  2360.     {

  2361.         CARLA_SAFE_ASSERT_RETURN(index < pData->param.count,);

  2362. 

  2363.         if (fOscData.target == nullptr)

  2364.             return;

  2365. 

  2366.         osc_send_control(fOscData, pData->param.data[index].rindex, value);

  2367.     }

  2368. 

  2369.     void uiMidiProgramChange(const uint32_t index) noexcept override

  2370.     {

  2371.         CARLA_SAFE_ASSERT_RETURN(index < pData->midiprog.count,);

  2372. 

  2373.         if (fOscData.target == nullptr)

  2374.             return;

  2375. 

  2376.         osc_send_program(fOscData, pData->midiprog.data[index].bank, pData->midiprog.data[index].program);

  2377.     }

  2378. 

  2379.     void uiNoteOn(const uint8_t channel, const uint8_t note, const uint8_t velo) noexcept override

  2380.     {

  2381.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2382.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2383.         CARLA_SAFE_ASSERT_RETURN(velo > 0 && velo < MAX_MIDI_VALUE,);

  2384. 

  2385.         if (fOscData.target == nullptr)

  2386.             return;

  2387. 

  2388. #if 0

  2389.         uint8_t midiData[4];

  2390.         midiData[0] = 0;

  2391.         midiData[1] = uint8_t(MIDI_STATUS_NOTE_ON | (channel & MIDI_CHANNEL_BIT));

  2392.         midiData[2] = note;

  2393.         midiData[3] = velo;

  2394. 

  2395.         osc_send_midi(fOscData, midiData);

  2396. #endif

  2397.     }

  2398. 

  2399.     void uiNoteOff(const uint8_t channel, const uint8_t note) noexcept override

  2400.     {

  2401.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2402.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2403. 

  2404.         if (fOscData.target == nullptr)

  2405.             return;

  2406. 

  2407. #if 0

  2408.         uint8_t midiData[4];

  2409.         midiData[0] = 0;

  2410.         midiData[1] = uint8_t(MIDI_STATUS_NOTE_ON | (channel & MIDI_CHANNEL_BIT));

  2411.         midiData[2] = note;

  2412.         midiData[3] = 0;

  2413. 

  2414.         osc_send_midi(fOscData, midiData);

  2415. #endif

  2416.     }

  2417. #endif // HAVE_LIBLO

  2418. 

  2419.     // -------------------------------------------------------------------

  2420. 

  2421.     const void* getNativeDescriptor() const noexcept override

  2422.     {

  2423.         return fDssiDescriptor;

  2424.     }

  2425. 

  2426. #ifdef HAVE_LIBLO

  2427.     uintptr_t getUiBridgeProcessId() const noexcept override

  2428.     {

  2429.         return fThreadUI.getProcessId();

  2430.     }

  2431. 

  2432.     const void* getExtraStuff() const noexcept override

  2433.     {

  2434.         return fUiFilename;

  2435.     }

  2436. #endif

  2437. 

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

  2439. 

  2440.     bool init(const char* const filename, const char* name, const char* const label, const uint options)

  2441.     {

  2442.         CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr, false);

  2443. 

  2444.         // ---------------------------------------------------------------

  2445.         // first checks

  2446. 

  2447.         if (pData->client != nullptr)

  2448.         {

  2449.             pData->engine->setLastError("Plugin client is already registered");

  2450.             return false;

  2451.         }

  2452. 

  2453.         if (filename == nullptr || filename[0] == '\0')

  2454.         {

  2455.             pData->engine->setLastError("null filename");

  2456.             return false;

  2457.         }

  2458. 

  2459.         // ---------------------------------------------------------------

  2460.         // open DLL

  2461. 

  2462.         if (! pData->libOpen(filename))

  2463.         {

  2464.             pData->engine->setLastError(pData->libError(filename));

  2465.             return false;

  2466.         }

  2467. 

  2468.         // ---------------------------------------------------------------

  2469.         // get DLL main entry

  2470. 

  2471.         const DSSI_Descriptor_Function descFn = pData->libSymbol<DSSI_Descriptor_Function>("dssi_descriptor");

  2472. 

  2473.         if (descFn == nullptr)

  2474.         {

  2475.             pData->engine->setLastError("Could not find the DSSI Descriptor in the plugin library");

  2476.             return false;

  2477.         }

  2478. 

  2479.         // ---------------------------------------------------------------

  2480.         // get descriptor that matches label

  2481. 

  2482.         // if label is null, get first valid plugin

  2483.         const bool nullLabel = (label == nullptr || label[0] == '\0');

  2484. 

  2485.         for (ulong d=0;; ++d)

  2486.         {

  2487.             try {

  2488.                 fDssiDescriptor = descFn(d);

  2489.             }

  2490.             catch(...) {

  2491.                 carla_stderr2("Caught exception when trying to get DSSI descriptor");

  2492.                 fDescriptor     = nullptr;

  2493.                 fDssiDescriptor = nullptr;

  2494.                 break;

  2495.             }

  2496. 

  2497.             if (fDssiDescriptor == nullptr)

  2498.                 break;

  2499. 

  2500.             fDescriptor = fDssiDescriptor->LADSPA_Plugin;

  2501. 

  2502.             if (fDescriptor == nullptr)

  2503.             {

  2504.                 carla_stderr2("WARNING - Missing LADSPA interface, will not use this plugin");

  2505.                 fDssiDescriptor = nullptr;

  2506.                 break;

  2507.             }

  2508.             if (fDescriptor->Label == nullptr || fDescriptor->Label[0] == '\0')

  2509.             {

  2510.                 carla_stderr2("WARNING - Got an invalid label, will not use this plugin");

  2511.                 fDescriptor     = nullptr;

  2512.                 fDssiDescriptor = nullptr;

  2513.                 break;

  2514.             }

  2515.             if (fDescriptor->run == nullptr)

  2516.             {

  2517.                 carla_stderr2("WARNING - Plugin has no run, cannot use it");

  2518.                 fDescriptor     = nullptr;

  2519.                 fDssiDescriptor = nullptr;

  2520.                 break;

  2521.             }

  2522. 

  2523.             if (nullLabel || std::strcmp(fDescriptor->Label, label) == 0)

  2524.                 break;

  2525.         }

  2526. 

  2527.         if (fDescriptor == nullptr || fDssiDescriptor == nullptr)

  2528.         {

  2529.             pData->engine->setLastError("Could not find the requested plugin label in the plugin library");

  2530.             return false;

  2531.         }

  2532. 

  2533.         // ---------------------------------------------------------------

  2534.         // check if uses global instance

  2535. 

  2536.         if (fDssiDescriptor->run_synth == nullptr && fDssiDescriptor->run_multiple_synths != nullptr)

  2537.         {

  2538.             pData->engine->setLastError("This plugin requires run_multiple_synths which is not supported");

  2539.             return false;

  2540.         }

  2541. 

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

  2543.         // check for fixed buffer size requirement

  2544. 

  2545.         fNeedsFixedBuffers = CarlaString(filename).contains("dssi-vst", true);

  2546. 

  2547.         if (fNeedsFixedBuffers && ! pData->engine->usesConstantBufferSize())

  2548.         {

  2549.             pData->engine->setLastError("Cannot use this plugin under the current engine.\n"

  2550.                                         "The plugin requires a fixed block size which is not possible right now.");

  2551.             return false;

  2552.         }

  2553. 

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

  2555.         // get info

  2556. 

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

  2558.         {

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

  2560.                 name = fDescriptor->Name;

  2561.             else

  2562.                 name = fDescriptor->Label;

  2563.         }

  2564. 

  2565.         pData->name = pData->engine->getUniquePluginName(name);

  2566.         pData->filename = carla_strdup(filename);

  2567. 

  2568.         // ---------------------------------------------------------------

  2569.         // register client

  2570. 

  2571.         pData->client = pData->engine->addClient(this);

  2572. 

  2573.         if (pData->client == nullptr || ! pData->client->isOk())

  2574.         {

  2575.             pData->engine->setLastError("Failed to register plugin client");

  2576.             return false;

  2577.         }

  2578. 

  2579.         // ---------------------------------------------------------------

  2580.         // initialize plugin

  2581. 

  2582.         if (! addInstance())

  2583.             return false;

  2584. 

  2585.         // ---------------------------------------------------------------

  2586.         // find latency port index

  2587. 

  2588.         for (uint32_t i=0, iCtrl=0, count=getSafePortCount(); i<count; ++i)

  2589.         {

  2590.             const int portType(fDescriptor->PortDescriptors[i]);

  2591. 

  2592.             if (! LADSPA_IS_PORT_CONTROL(portType))

  2593.                 continue;

  2594. 

  2595.             const uint32_t index(iCtrl++);

  2596. 

  2597.             if (! LADSPA_IS_PORT_OUTPUT(portType))

  2598.                 continue;

  2599. 

  2600.             const char* const portName(fDescriptor->PortNames[i]);

  2601.             CARLA_SAFE_ASSERT_BREAK(portName != nullptr);

  2602. 

  2603.             if (std::strcmp(portName, "latency")  == 0 ||

  2604.                 std::strcmp(portName, "_latency") == 0)

  2605.             {

  2606.                 fLatencyIndex = static_cast<int32_t>(index);

  2607.                 break;

  2608.             }

  2609.         }

  2610. 

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

  2612.         // check for custom data extension

  2613. 

  2614.         if (fDssiDescriptor->configure != nullptr)

  2615.         {

  2616.             if (char* const error = fDssiDescriptor->configure(fHandles.getFirst(nullptr), DSSI_CUSTOMDATA_EXTENSION_KEY, ""))

  2617.             {

  2618.                 if (std::strcmp(error, "true") == 0 && fDssiDescriptor->get_custom_data != nullptr

  2619.                                                     && fDssiDescriptor->set_custom_data != nullptr)

  2620.                     fUsesCustomData = true;

  2621. 

  2622.                 std::free(error);

  2623.             }

  2624.         }

  2625. 

  2626. #ifdef HAVE_LIBLO

  2627.         // ---------------------------------------------------------------

  2628.         // check for gui

  2629. 

  2630.         if (const char* const guiFilename = find_dssi_ui(filename, fDescriptor->Label))

  2631.         {

  2632.             fUiFilename = guiFilename;

  2633.             fThreadUI.setData(guiFilename, fDescriptor->Label);

  2634.         }

  2635. #endif

  2636. 

  2637.         // ---------------------------------------------------------------

  2638.         // set default options

  2639. 

  2640.         pData->options = 0x0;

  2641. 

  2642.         /**/ if (fLatencyIndex >= 0 || fNeedsFixedBuffers)

  2643.             pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;

  2644.         else if (options & PLUGIN_OPTION_FIXED_BUFFERS)

  2645.             pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;

  2646. 

  2647.         /**/ if (pData->engine->getOptions().forceStereo)

  2648.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  2649.         else if (options & PLUGIN_OPTION_FORCE_STEREO)

  2650.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  2651. 

  2652.         if (fDssiDescriptor->get_program != nullptr && fDssiDescriptor->select_program != nullptr)

  2653.             pData->options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  2654. 

  2655.         if (fUsesCustomData)

  2656.             pData->options |= PLUGIN_OPTION_USE_CHUNKS;

  2657. 

  2658.         if (fDssiDescriptor->run_synth != nullptr)

  2659.         {

  2660.             pData->options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  2661.             pData->options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  2662.             pData->options |= PLUGIN_OPTION_SEND_PITCHBEND;

  2663.             pData->options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  2664. 

  2665.             if (options & PLUGIN_OPTION_SEND_CONTROL_CHANGES)

  2666.                 pData->options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  2667.         }

  2668. 

  2669.         return true;

  2670.     }

  2671. 

  2672.     // -------------------------------------------------------------------

  2673. 

  2674. private:

  2675.     LinkedList<LADSPA_Handle> fHandles;

  2676.     const LADSPA_Descriptor*  fDescriptor;

  2677.     const DSSI_Descriptor*    fDssiDescriptor;

  2678. 

  2679.     float** fAudioInBuffers;

  2680.     float** fAudioOutBuffers;

  2681.     float*  fExtraStereoBuffer[2]; // used only if forcedStereoIn and audioOut == 2

  2682.     float*  fParamBuffers;

  2683. 

  2684.     snd_seq_event_t fMidiEvents[kPluginMaxMidiEvents];

  2685. 

  2686.     int32_t fLatencyIndex; // -1 if invalid

  2687.     bool    fForcedStereoIn;

  2688.     bool    fForcedStereoOut;

  2689.     bool    fNeedsFixedBuffers;

  2690.     bool    fUsesCustomData;

  2691. 

  2692. #ifdef HAVE_LIBLO

  2693.     CarlaOscData      fOscData;

  2694.     CarlaThreadDSSIUI fThreadUI;

  2695.     const char*       fUiFilename;

  2696. #endif

  2697. 

  2698.     // -------------------------------------------------------------------

  2699. 

  2700.     bool addInstance()

  2701.     {

  2702.         LADSPA_Handle handle;

  2703. 

  2704.         try {

  2705.             handle = fDescriptor->instantiate(fDescriptor, static_cast<ulong>(pData->engine->getSampleRate()));

  2706.         } CARLA_SAFE_EXCEPTION_RETURN_ERR("LADSPA instantiate", "Plugin failed to initialize");

  2707. 

  2708.         for (uint32_t i=0, count=pData->param.count; i<count; ++i)

  2709.         {

  2710.             const int32_t rindex(pData->param.data[i].rindex);

  2711.             CARLA_SAFE_ASSERT_CONTINUE(rindex >= 0);

  2712. 

  2713.             try {

  2714.                 fDescriptor->connect_port(handle, static_cast<ulong>(rindex), &fParamBuffers[i]);

  2715.             } CARLA_SAFE_EXCEPTION("LADSPA connect_port");

  2716.         }

  2717. 

  2718.         if (fHandles.append(handle))

  2719.             return true;

  2720. 

  2721.         try {

  2722.             fDescriptor->cleanup(handle);

  2723.         } CARLA_SAFE_EXCEPTION("LADSPA cleanup");

  2724. 

  2725.         pData->engine->setLastError("Out of memory");

  2726.         return false;

  2727.     }

  2728. 

  2729.     uint32_t getSafePortCount() const noexcept

  2730.     {

  2731.         if (fDescriptor->PortCount == 0)

  2732.             return 0;

  2733. 

  2734.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortDescriptors != nullptr, 0);

  2735.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortRangeHints != nullptr, 0);

  2736.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortNames != nullptr, 0);

  2737. 

  2738.         return static_cast<uint32_t>(fDescriptor->PortCount);

  2739.     }

  2740. 

  2741.     bool getSeparatedParameterNameOrUnit(const char* const paramName, char* const strBuf, const bool wantName) const noexcept

  2742.     {

  2743.         if (_getSeparatedParameterNameOrUnitImpl(paramName, strBuf, wantName, true))

  2744.             return true;

  2745.         if (_getSeparatedParameterNameOrUnitImpl(paramName, strBuf, wantName, false))

  2746.             return true;

  2747.         return false;

  2748.     }

  2749. 

  2750.     static bool _getSeparatedParameterNameOrUnitImpl(const char* const paramName, char* const strBuf,

  2751.                                                      const bool wantName, const bool useBracket) noexcept

  2752.     {

  2753.         const char* const sepBracketStart(std::strstr(paramName, useBracket ? " [" : " ("));

  2754. 

  2755.         if (sepBracketStart == nullptr)

  2756.             return false;

  2757. 

  2758.         const char* const sepBracketEnd(std::strstr(sepBracketStart, useBracket ? "]" : ")"));

  2759. 

  2760.         if (sepBracketEnd == nullptr)

  2761.             return false;

  2762. 

  2763.         const std::size_t unitSize(static_cast<std::size_t>(sepBracketEnd-sepBracketStart-2));

  2764. 

  2765.         if (unitSize > 7) // very unlikely to have such big unit

  2766.             return false;

  2767. 

  2768.         const std::size_t sepIndex(std::strlen(paramName)-unitSize-3);

  2769. 

  2770.         // just in case

  2771.         if (sepIndex+2 >= STR_MAX)

  2772.             return false;

  2773. 

  2774.         if (wantName)

  2775.         {

  2776.             std::strncpy(strBuf, paramName, sepIndex);

  2777.             strBuf[sepIndex] = '\0';

  2778.         }

  2779.         else

  2780.         {

  2781.             std::strncpy(strBuf, paramName+(sepIndex+2), unitSize);

  2782.             strBuf[unitSize] = '\0';

  2783.         }

  2784. 

  2785.         return true;

  2786.     }

  2787. 

  2788.     // -------------------------------------------------------------------

  2789. 

  2790.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaPluginDSSI)

  2791. };

  2792. 

  2793. // -------------------------------------------------------------------------------------------------------------------

  2794. 

  2795. CarlaPlugin* CarlaPlugin::newDSSI(const Initializer& init)

  2796. {

  2797.     carla_debug("CarlaPlugin::newDSSI({%p, \"%s\", \"%s\", \"%s\", " P_INT64 ", %x})",

  2798.                 init.engine, init.filename, init.name, init.label, init.uniqueId, init.options);

  2799. 

  2800.     CarlaPluginDSSI* const plugin(new CarlaPluginDSSI(init.engine, init.id));

  2801. 

  2802.     if (! plugin->init(init.filename, init.name, init.label, init.options))

  2803.     {

  2804.         delete plugin;

  2805.         return nullptr;

  2806.     }

  2807. 

  2808.     return plugin;

  2809. }

  2810. 

  2811. // -------------------------------------------------------------------------------------------------------------------

  2812. 

  2813. CARLA_BACKEND_END_NAMESPACE