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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 water::ChildProcess;

  31. using water::String;

  32. using water::StringArray;

  33. 

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

  35.     /* check argument count */                                                                                                  \

  36.     if (argc != argcToCompare)                                                                                                  \

  37.     {                                                                                                                           \

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

  39.         return;                                                                                                                 \

  40.     }                                                                                                                           \

  41.     if (argc > 0)                                                                                                               \

  42.     {                                                                                                                           \

  43.         /* check for nullness */                                                                                                \

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

  45.         {                                                                                                                       \

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

  47.             return;                                                                                                             \

  48.         }                                                                                                                       \

  49.         /* check argument types */                                                                                              \

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

  51.         {                                                                                                                       \

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

  53.             return;                                                                                                             \

  54.         }                                                                                                                       \

  55.     }

  56. 

  57. CARLA_BACKEND_START_NAMESPACE

  58. 

  59. // -------------------------------------------------------------------

  60. // Fallback data

  61. 

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

  63. 

  64. #ifdef HAVE_LIBLO

  65. // -------------------------------------------------------------------

  66. 

  67. class CarlaThreadDSSIUI : public CarlaThread

  68. {

  69. public:

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

  71.         : CarlaThread("CarlaThreadDSSIUI"),

  72.           kEngine(engine),

  73.           kPlugin(plugin),

  74.           fBinary(),

  75.           fLabel(),

  76.           fOscData(oscData),

  77.           fProcess() {}

  78. 

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

  80.     {

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

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

  83.         CARLA_SAFE_ASSERT(! isThreadRunning());

  84. 

  85.         fBinary = binary;

  86.         fLabel  = label;

  87. 

  88.         if (fLabel.isEmpty())

  89.             fLabel = "\"\"";

  90.     }

  91. 

  92.     uintptr_t getProcessId() const noexcept

  93.     {

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

  95. 

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

  97.     }

  98. 

  99.     void run()

  100.     {

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

  102. 

  103.         if (fProcess == nullptr)

  104.         {

  105.             fProcess = new ChildProcess();

  106.         }

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

  108.         {

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

  110. 

  111.             fProcess->kill();

  112.             fProcess = nullptr;

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

  114.             return;

  115.         }

  116. 

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

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

  119. 

  120.         if (name.isEmpty())

  121.             name = "(none)";

  122. 

  123.         if (filename.isEmpty())

  124.             filename = "\"\"";

  125. 

  126.         StringArray arguments;

  127. 

  128.         // binary

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

  130. 

  131.         // osc-url

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

  133. 

  134.         // filename

  135.         arguments.add(filename);

  136. 

  137.         // label

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

  139. 

  140.         // ui-title

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

  142. 

  143.         bool started;

  144. 

  145.         {

  146. #ifdef CARLA_OS_LINUX

  147.             /*

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

  149.              * If not, unset LD_PRELOAD.

  150.              */

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

  152. 

  153.             // for CARLA_ENGINE_OPTION_FRONTEND_WIN_ID

  154.             char winIdStr[STR_MAX+1];

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

  156. 

  157.             // for LD_PRELOAD

  158.             CarlaString ldPreloadValue;

  159. 

  160.             if (winId != 0)

  161.             {

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

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

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

  165.             }

  166.             else

  167.             {

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

  169.             }

  170. 

  171.             const ScopedEngineEnvironmentLocker _seel(kEngine);

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

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

  174. #endif // CARLA_OS_LINUX

  175. 

  176.             // start the DSSI UI application

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

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

  179.         }

  180. 

  181.         if (! started)

  182.         {

  183.             carla_stdout("failed!");

  184.             fProcess = nullptr;

  185.             return;

  186.         }

  187. 

  188.         if (waitForOscGuiShow())

  189.         {

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

  191.                 carla_sleep(1);

  192. 

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

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

  195.             {

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

  197. 

  198.                 if (fProcess->isRunning())

  199.                 {

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

  201.                     fProcess->kill();

  202.                 }

  203.                 else

  204.                 {

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

  206.                 }

  207.             }

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

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

  210.             else

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

  212.         }

  213.         else

  214.         {

  215.             fProcess->kill();

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

  217.         }

  218. 

  219.         fProcess = nullptr;

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

  221. 

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

  223.     }

  224. 

  225. private:

  226.     CarlaEngine* const kEngine;

  227.     CarlaPlugin* const kPlugin;

  228. 

  229.     CarlaString fBinary;

  230.     CarlaString fLabel;

  231. 

  232.     const CarlaOscData&         fOscData;

  233.     ScopedPointer<ChildProcess> fProcess;

  234. 

  235.     bool waitForOscGuiShow()

  236.     {

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

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

  239. 

  240.         // wait for UI 'update' call

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

  242.         {

  243.             if (fOscData.target != nullptr)

  244.             {

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

  246.                 osc_send_show(fOscData);

  247.                 return true;

  248.             }

  249. 

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

  251.                 carla_msleep(100);

  252.             else

  253.                 return false;

  254.         }

  255. 

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

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

  258.         return false;

  259.     }

  260. 

  261.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaThreadDSSIUI)

  262. };

  263. #endif

  264. 

  265. // -----------------------------------------------------

  266. 

  267. class CarlaPluginDSSI : public CarlaPlugin

  268. {

  269. public:

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

  271.         : CarlaPlugin(engine, id),

  272.           fHandles(),

  273.           fDescriptor(nullptr),

  274.           fDssiDescriptor(nullptr),

  275.           fAudioInBuffers(nullptr),

  276.           fAudioOutBuffers(nullptr),

  277.           fExtraStereoBuffer(),

  278.           fParamBuffers(nullptr),

  279.           fLatencyIndex(-1),

  280.           fForcedStereoIn(false),

  281.           fForcedStereoOut(false),

  282.           fNeedsFixedBuffers(false),

  283.           fUsesCustomData(false)

  284. #ifdef HAVE_LIBLO

  285.         , fOscData(),

  286.           fThreadUI(engine, this, fOscData),

  287.           fUiFilename(nullptr)

  288. #endif

  289.     {

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

  291. 

  292.         carla_zeroPointers(fExtraStereoBuffer, 2);

  293.     }

  294. 

  295.     ~CarlaPluginDSSI() noexcept override

  296.     {

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

  298. 

  299. #ifdef HAVE_LIBLO

  300.         // close UI

  301.         if (fUiFilename != nullptr)

  302.         {

  303.             showCustomUI(false);

  304. 

  305.             delete[] fUiFilename;

  306.             fUiFilename = nullptr;

  307.         }

  308. #endif

  309. 

  310.         pData->singleMutex.lock();

  311.         pData->masterMutex.lock();

  312. 

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

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

  315. 

  316.         if (pData->active)

  317.         {

  318.             deactivate();

  319.             pData->active = false;

  320.         }

  321. 

  322.         if (fDescriptor != nullptr)

  323.         {

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

  325.             {

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

  327.                 {

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

  329.                     CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  330. 

  331.                     try {

  332.                         fDescriptor->cleanup(handle);

  333.                     } CARLA_SAFE_EXCEPTION("LADSPA cleanup");

  334.                 }

  335.             }

  336. 

  337.             fHandles.clear();

  338.             fDescriptor = nullptr;

  339.             fDssiDescriptor = nullptr;

  340.         }

  341. 

  342.         clearBuffers();

  343.     }

  344. 

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

  346.     // Information (base)

  347. 

  348.     PluginType getType() const noexcept override

  349.     {

  350.         return PLUGIN_DSSI;

  351.     }

  352. 

  353.     PluginCategory getCategory() const noexcept override

  354.     {

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

  356. 

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

  358.             return PLUGIN_CATEGORY_SYNTH;

  359. 

  360.         return CarlaPlugin::getCategory();

  361.     }

  362. 

  363.     int64_t getUniqueId() const noexcept override

  364.     {

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

  366. 

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

  368.     }

  369. 

  370.     uint32_t getLatencyInFrames() const noexcept override

  371.     {

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

  373.             return 0;

  374. 

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

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

  377. 

  378.         return static_cast<uint32_t>(latency);

  379.     }

  380. 

  381.     // -------------------------------------------------------------------

  382.     // Information (count)

  383. 

  384.     // nothing

  385. 

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

  387.     // Information (current data)

  388. 

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

  390.     {

  391.         CARLA_SAFE_ASSERT_RETURN(fUsesCustomData, 0);

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

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

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

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

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

  397. 

  398.         *dataPtr = nullptr;

  399. 

  400.         int ret = 0;

  401.         ulong dataSize = 0;

  402. 

  403.         try {

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

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

  406. 

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

  408.     }

  409. 

  410.     // -------------------------------------------------------------------

  411.     // Information (per-plugin data)

  412. 

  413.     uint getOptionsAvailable() const noexcept override

  414.     {

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

  416. 

  417.         uint options = 0x0;

  418. 

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

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

  421.             options |= PLUGIN_OPTION_FIXED_BUFFERS;

  422. 

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

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

  425.             pass();

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

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

  428.             options |= PLUGIN_OPTION_FORCE_STEREO;

  429. 

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

  431.             options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  432. 

  433.         if (fUsesCustomData)

  434.             options |= PLUGIN_OPTION_USE_CHUNKS;

  435. 

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

  437.         {

  438.             options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  439.             options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  440.             options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  441.             options |= PLUGIN_OPTION_SEND_PITCHBEND;

  442.             options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  443.         }

  444. 

  445.         return options;

  446.     }

  447. 

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

  449.     {

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

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

  452. 

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

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

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

  456. 

  457.         // not output, should be fine

  458.         return fParamBuffers[parameterId];

  459.     }

  460. 

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

  462.     {

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

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

  465. 

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

  467.     }

  468. 

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

  470.     {

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

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

  473. 

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

  475.     }

  476. 

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

  478.     {

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

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

  481. 

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

  483.     }

  484. 

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

  486.     {

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

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

  489. 

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

  491.     }

  492. 

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

  494.     {

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

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

  497. 

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

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

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

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

  502. 

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

  504.             return;

  505. 

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

  507.     }

  508. 

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

  510.     {

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

  512. 

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

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

  515. 

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

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

  518. 

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

  520.             return;

  521. 

  522.         nullStrBuf(strBuf);

  523.     }

  524. 

  525.     // -------------------------------------------------------------------

  526.     // Set data (state)

  527. 

  528.     // nothing

  529. 

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

  531.     // Set data (internal stuff)

  532. 

  533.     void setId(const uint newId) noexcept override

  534.     {

  535.         CarlaPlugin::setId(newId);

  536. 

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

  538.         // FIXME - must be RT safe

  539.         showCustomUI(false);

  540.     }

  541. 

  542.     // -------------------------------------------------------------------

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

  544. 

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

  546.     {

  547.         CARLA_SAFE_ASSERT_RETURN(fParamBuffers != nullptr,);

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

  549. 

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

  551.         fParamBuffers[parameterId] = fixedValue;

  552. 

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

  554.     }

  555. 

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

  557.     {

  558.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

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

  561.         CARLA_SAFE_ASSERT_RETURN(value != nullptr,);

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

  563. 

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

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

  566. 

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

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

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

  570. 

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

  572.         {

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

  574.             {

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

  576.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  577. 

  578.                 try {

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

  580.                 } CARLA_SAFE_EXCEPTION("DSSI setCustomData");

  581.             }

  582.         }

  583. 

  584. #ifdef HAVE_LIBLO

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

  586.             osc_send_configure(fOscData, key, value);

  587. #endif

  588. 

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

  590.         {

  591.             const ScopedSingleProcessLocker spl(this, true);

  592.             reloadPrograms(false);

  593.         }

  594. 

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

  596.     }

  597. 

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

  599.     {

  600.         CARLA_SAFE_ASSERT_RETURN(fUsesCustomData,);

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

  602.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

  604.         CARLA_SAFE_ASSERT_RETURN(data != nullptr,);

  605.         CARLA_SAFE_ASSERT_RETURN(dataSize > 0,);

  606. 

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

  608.         {

  609.             const ScopedSingleProcessLocker spl(this, true);

  610. 

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

  612.             {

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

  614.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  615. 

  616.                 try {

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

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

  619.             }

  620.         }

  621. 

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

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

  624. #else

  625.         const bool sendOsc(false);

  626. #endif

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

  628.     }

  629. 

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

  631.     {

  632.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

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

  635. 

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

  637.         {

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

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

  640. 

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

  642. 

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

  644.             {

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

  646.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  647. 

  648.                 try {

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

  650.                 } CARLA_SAFE_EXCEPTION("DSSI setMidiProgram")

  651.             }

  652.         }

  653. 

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

  655.     }

  656. 

  657. #ifdef HAVE_LIBLO

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

  659.     // Set ui stuff

  660. 

  661.     void showCustomUI(const bool yesNo) override

  662.     {

  663.         if (yesNo)

  664.         {

  665.             fOscData.clear();

  666.             fThreadUI.startThread();

  667.         }

  668.         else

  669.         {

  670.             pData->transientTryCounter = 0;

  671. 

  672.             if (fOscData.target != nullptr)

  673.             {

  674.                 osc_send_hide(fOscData);

  675.                 osc_send_quit(fOscData);

  676.                 fOscData.clear();

  677.             }

  678. 

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

  680.         }

  681.     }

  682. #endif

  683. 

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

  685.     // Plugin state

  686. 

  687.     void reload() override

  688.     {

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

  690.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  691.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

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

  694. 

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

  696. 

  697.         // Safely disable plugin for reload

  698.         const ScopedDisabler sd(this);

  699. 

  700.         if (pData->active)

  701.             deactivate();

  702. 

  703.         clearBuffers();

  704. 

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

  706.         const uint32_t portCount(getSafePortCount());

  707. 

  708.         uint32_t aIns, aOuts, mIns, params;

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

  710. 

  711.         bool forcedStereoIn, forcedStereoOut;

  712.         forcedStereoIn = forcedStereoOut = false;

  713. 

  714.         bool needsCtrlIn, needsCtrlOut;

  715.         needsCtrlIn = needsCtrlOut = false;

  716. 

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

  718.         {

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

  720. 

  721.             if (LADSPA_IS_PORT_AUDIO(portType))

  722.             {

  723.                 if (LADSPA_IS_PORT_INPUT(portType))

  724.                     aIns += 1;

  725.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  726.                     aOuts += 1;

  727.             }

  728.             else if (LADSPA_IS_PORT_CONTROL(portType))

  729.                 params += 1;

  730.         }

  731. 

  732.         if (pData->options & PLUGIN_OPTION_FORCE_STEREO)

  733.         {

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

  735.             {

  736.                 if (aIns == 1)

  737.                 {

  738.                     aIns = 2;

  739.                     forcedStereoIn = true;

  740.                 }

  741.                 if (aOuts == 1)

  742.                 {

  743.                     aOuts = 2;

  744.                     forcedStereoOut = true;

  745.                 }

  746.             }

  747.         }

  748. 

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

  750.         {

  751.             mIns = 1;

  752.             needsCtrlIn = true;

  753.         }

  754. 

  755.         if (aIns > 0)

  756.         {

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

  758.             fAudioInBuffers = new float*[aIns];

  759. 

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

  761.                 fAudioInBuffers[i] = nullptr;

  762.         }

  763. 

  764.         if (aOuts > 0)

  765.         {

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

  767.             fAudioOutBuffers = new float*[aOuts];

  768.             needsCtrlIn = true;

  769. 

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

  771.                 fAudioOutBuffers[i] = nullptr;

  772.         }

  773. 

  774.         if (params > 0)

  775.         {

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

  777. 

  778.             fParamBuffers = new float[params];

  779.             carla_zeroFloats(fParamBuffers, params);

  780.         }

  781. 

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

  783.         CarlaString portName;

  784. 

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

  786.         {

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

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

  789. 

  790.             if (LADSPA_IS_PORT_AUDIO(portType))

  791.             {

  792.                 portName.clear();

  793. 

  794.                 if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  795.                 {

  796.                     portName  = pData->name;

  797.                     portName += ":";

  798.                 }

  799. 

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

  801.                 {

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

  803.                 }

  804.                 else

  805.                 {

  806.                     if (LADSPA_IS_PORT_INPUT(portType))

  807.                     {

  808.                         if (aIns > 1)

  809.                         {

  810.                             portName += "audio-in_";

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

  812.                         }

  813.                         else

  814.                             portName += "audio-in";

  815.                     }

  816.                     else

  817.                     {

  818.                         if (aOuts > 1)

  819.                         {

  820.                             portName += "audio-out_";

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

  822.                         }

  823.                         else

  824.                             portName += "audio-out";

  825.                     }

  826.                 }

  827. 

  828.                 portName.truncate(portNameSize);

  829. 

  830.                 if (LADSPA_IS_PORT_INPUT(portType))

  831.                 {

  832.                     const uint32_t j = iAudioIn++;

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

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

  835. 

  836.                     if (forcedStereoIn)

  837.                     {

  838.                         portName += "_2";

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

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

  841.                     }

  842.                 }

  843.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  844.                 {

  845.                     const uint32_t j = iAudioOut++;

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

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

  848. 

  849.                     if (forcedStereoOut)

  850.                     {

  851.                         portName += "_2";

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

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

  854.                     }

  855.                 }

  856.                 else

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

  858.             }

  859.             else if (LADSPA_IS_PORT_CONTROL(portType))

  860.             {

  861.                 const uint32_t j = iCtrl++;

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

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

  864. 

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

  866. 

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

  868. 

  869.                 // min value

  870.                 if (LADSPA_IS_HINT_BOUNDED_BELOW(portRangeHints.HintDescriptor))

  871.                     min = portRangeHints.LowerBound;

  872.                 else

  873.                     min = 0.0f;

  874. 

  875.                 // max value

  876.                 if (LADSPA_IS_HINT_BOUNDED_ABOVE(portRangeHints.HintDescriptor))

  877.                     max = portRangeHints.UpperBound;

  878.                 else

  879.                     max = 1.0f;

  880. 

  881.                 if (LADSPA_IS_HINT_SAMPLE_RATE(portRangeHints.HintDescriptor))

  882.                 {

  883.                     min *= sampleRate;

  884.                     max *= sampleRate;

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

  886.                 }

  887. 

  888.                 if (min >= max)

  889.                 {

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

  891.                     max = min + 0.1f;

  892.                 }

  893. 

  894.                 // default value

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

  896. 

  897.                 if (def < min)

  898.                     def = min;

  899.                 else if (def > max)

  900.                     def = max;

  901. 

  902.                 if (LADSPA_IS_HINT_TOGGLED(portRangeHints.HintDescriptor))

  903.                 {

  904.                     step = max - min;

  905.                     stepSmall = step;

  906.                     stepLarge = step;

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

  908.                 }

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

  910.                 {

  911.                     step = 1.0f;

  912.                     stepSmall = 1.0f;

  913.                     stepLarge = 10.0f;

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

  915.                 }

  916.                 else

  917.                 {

  918.                     const float range = max - min;

  919.                     step = range/100.0f;

  920.                     stepSmall = range/1000.0f;

  921.                     stepLarge = range/10.0f;

  922.                 }

  923. 

  924.                 if (LADSPA_IS_PORT_INPUT(portType))

  925.                 {

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

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

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

  929.                     needsCtrlIn = true;

  930. 

  931.                     // MIDI CC value

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

  933.                     {

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

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

  936.                         {

  937.                             const int16_t cc = DSSI_CC_NUMBER(ctrl);

  938.                             if (! MIDI_IS_CONTROL_BANK_SELECT(cc))

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

  940.                         }

  941.                     }

  942.                 }

  943.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  944.                 {

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

  946. 

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

  948.                     {

  949.                         min = 0.0f;

  950.                         max = sampleRate;

  951.                         def = 0.0f;

  952.                         step = 1.0f;

  953.                         stepSmall = 1.0f;

  954.                         stepLarge = 1.0f;

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

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

  957.                     }

  958.                     else

  959.                     {

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

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

  962.                         needsCtrlOut = true;

  963.                     }

  964.                 }

  965.                 else

  966.                 {

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

  968.                 }

  969. 

  970.                 // extra parameter hints

  971.                 if (LADSPA_IS_HINT_LOGARITHMIC(portRangeHints.HintDescriptor))

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

  973. 

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

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

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

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

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

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

  980. 

  981.                 // Start parameters in their default values

  982.                 fParamBuffers[j] = def;

  983. 

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

  985.                 {

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

  987.                     CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  988. 

  989.                     try {

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

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

  992.                 }

  993.             }

  994.             else

  995.             {

  996.                 // Not Audio or Control

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

  998. 

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

  1000.                 {

  1001.                     LADSPA_Handle const handle(it.getValue(nullptr));

  1002.                     CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1003. 

  1004.                     try {

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

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

  1007.                 }

  1008.             }

  1009.         }

  1010. 

  1011.         if (needsCtrlIn)

  1012.         {

  1013.             portName.clear();

  1014. 

  1015.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1016.             {

  1017.                 portName  = pData->name;

  1018.                 portName += ":";

  1019.             }

  1020. 

  1021.             portName += "events-in";

  1022.             portName.truncate(portNameSize);

  1023. 

  1024.             pData->event.portIn = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, true, 0);

  1025.         }

  1026. 

  1027.         if (needsCtrlOut)

  1028.         {

  1029.             portName.clear();

  1030. 

  1031.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1032.             {

  1033.                 portName  = pData->name;

  1034.                 portName += ":";

  1035.             }

  1036. 

  1037.             portName += "events-out";

  1038.             portName.truncate(portNameSize);

  1039. 

  1040.             pData->event.portOut = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, false, 0);

  1041.         }

  1042. 

  1043.         if (forcedStereoIn || forcedStereoOut)

  1044.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  1045.         else

  1046.             pData->options &= ~PLUGIN_OPTION_FORCE_STEREO;

  1047. 

  1048.         // plugin hints

  1049.         pData->hints = 0x0;

  1050. 

  1051.         if (LADSPA_IS_HARD_RT_CAPABLE(fDescriptor->Properties))

  1052.             pData->hints |= PLUGIN_IS_RTSAFE;

  1053. 

  1054. #ifdef HAVE_LIBLO

  1055.         if (fUiFilename != nullptr)

  1056.             pData->hints |= PLUGIN_HAS_CUSTOM_UI;

  1057. #endif

  1058. 

  1059. #ifndef BUILD_BRIDGE

  1060.         if (aOuts > 0 && (aIns == aOuts || aIns == 1))

  1061.             pData->hints |= PLUGIN_CAN_DRYWET;

  1062. 

  1063.         if (aOuts > 0)

  1064.             pData->hints |= PLUGIN_CAN_VOLUME;

  1065. 

  1066.         if (aOuts >= 2 && aOuts % 2 == 0)

  1067.             pData->hints |= PLUGIN_CAN_BALANCE;

  1068. #endif

  1069. 

  1070.         // extra plugin hints

  1071.         pData->extraHints  = 0x0;

  1072.         pData->extraHints |= PLUGIN_EXTRA_HINT_CAN_RUN_RACK;

  1073. 

  1074.         if (mIns > 0)

  1075.             pData->extraHints |= PLUGIN_EXTRA_HINT_HAS_MIDI_IN;

  1076. 

  1077.         // check initial latency

  1078.         findInitialLatencyValue(aIns, aOuts);

  1079. 

  1080.         fForcedStereoIn  = forcedStereoIn;

  1081.         fForcedStereoOut = forcedStereoOut;

  1082. 

  1083.         bufferSizeChanged(pData->engine->getBufferSize());

  1084.         reloadPrograms(true);

  1085. 

  1086.         if (pData->active)

  1087.             activate();

  1088. 

  1089.         carla_debug("CarlaPluginDSSI::reload() - end");

  1090.     }

  1091. 

  1092.     void findInitialLatencyValue(const uint32_t aIns, const uint32_t aOuts) const

  1093.     {

  1094.         if (fLatencyIndex < 0 || fHandles.count() == 0)

  1095.             return;

  1096. 

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

  1098.         const LADSPA_Handle handle(fHandles.getFirst(nullptr));

  1099.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr,);

  1100. 

  1101.         float tmpIn [(aIns > 0)  ? aIns  : 1][2];

  1102.         float tmpOut[(aOuts > 0) ? aOuts : 1][2];

  1103. 

  1104.         for (uint32_t j=0; j < aIns; ++j)

  1105.         {

  1106.             tmpIn[j][0] = 0.0f;

  1107.             tmpIn[j][1] = 0.0f;

  1108. 

  1109.             try {

  1110.                 fDescriptor->connect_port(handle, pData->audioIn.ports[j].rindex, tmpIn[j]);

  1111.             } CARLA_SAFE_EXCEPTION("DSSI connect_port (latency input)");

  1112.         }

  1113. 

  1114.         for (uint32_t j=0; j < aOuts; ++j)

  1115.         {

  1116.             tmpOut[j][0] = 0.0f;

  1117.             tmpOut[j][1] = 0.0f;

  1118. 

  1119.             try {

  1120.                 fDescriptor->connect_port(handle, pData->audioOut.ports[j].rindex, tmpOut[j]);

  1121.             } CARLA_SAFE_EXCEPTION("DSSI connect_port (latency output)");

  1122.         }

  1123. 

  1124.         if (fDescriptor->activate != nullptr)

  1125.         {

  1126.             try {

  1127.                 fDescriptor->activate(handle);

  1128.             } CARLA_SAFE_EXCEPTION("DSSI latency activate");

  1129.         }

  1130. 

  1131.         try {

  1132.             fDescriptor->run(handle, 2);

  1133.         } CARLA_SAFE_EXCEPTION("DSSI latency run");

  1134. 

  1135.         if (fDescriptor->deactivate != nullptr)

  1136.         {

  1137.             try {

  1138.                 fDescriptor->deactivate(handle);

  1139.             } CARLA_SAFE_EXCEPTION("DSSI latency deactivate");

  1140.         }

  1141. 

  1142.         // done, let's get the value

  1143.         if (const uint32_t latency = getLatencyInFrames())

  1144.         {

  1145.             pData->client->setLatency(latency);

  1146. #ifndef BUILD_BRIDGE

  1147.             pData->latency.recreateBuffers(std::max(aIns, aOuts), latency);

  1148. #endif

  1149.         }

  1150.     }

  1151. 

  1152.     void reloadPrograms(const bool doInit) override

  1153.     {

  1154.         carla_debug("CarlaPluginDSSI::reloadPrograms(%s)", bool2str(doInit));

  1155. 

  1156.         const LADSPA_Handle handle(fHandles.getFirst(nullptr));

  1157.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr,);

  1158. 

  1159.         const uint32_t oldCount = pData->midiprog.count;

  1160.         const int32_t  current  = pData->midiprog.current;

  1161. 

  1162.         // Delete old programs

  1163.         pData->midiprog.clear();

  1164. 

  1165.         // Query new programs

  1166.         uint32_t newCount = 0;

  1167.         if (fDssiDescriptor->get_program != nullptr && fDssiDescriptor->select_program != nullptr)

  1168.         {

  1169.             for (; fDssiDescriptor->get_program(handle, newCount) != nullptr;)

  1170.                 ++newCount;

  1171.         }

  1172. 

  1173.         if (newCount > 0)

  1174.         {

  1175.             pData->midiprog.createNew(newCount);

  1176. 

  1177.             // Update data

  1178.             for (uint32_t i=0; i < newCount; ++i)

  1179.             {

  1180.                 const DSSI_Program_Descriptor* const pdesc(fDssiDescriptor->get_program(handle, i));

  1181.                 CARLA_SAFE_ASSERT_CONTINUE(pdesc != nullptr);

  1182.                 CARLA_SAFE_ASSERT(pdesc->Name != nullptr);

  1183. 

  1184.                 pData->midiprog.data[i].bank    = static_cast<uint32_t>(pdesc->Bank);

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

  1186.                 pData->midiprog.data[i].name    = carla_strdup(pdesc->Name);

  1187.             }

  1188.         }

  1189. 

  1190. #if defined(HAVE_LIBLO) && ! defined(BUILD_BRIDGE)

  1191.         // Update OSC Names

  1192.         if (pData->engine->isOscControlRegistered() && pData->id < pData->engine->getCurrentPluginCount())

  1193.         {

  1194.             pData->engine->oscSend_control_set_midi_program_count(pData->id, newCount);

  1195. 

  1196.             for (uint32_t i=0; i < newCount; ++i)

  1197.                 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);

  1198.         }

  1199. #endif

  1200. 

  1201.         if (doInit)

  1202.         {

  1203.             if (newCount > 0)

  1204.                 setMidiProgram(0, false, false, false);

  1205.         }

  1206.         else

  1207.         {

  1208.             // Check if current program is invalid

  1209.             bool programChanged = false;

  1210. 

  1211.             if (newCount == oldCount+1)

  1212.             {

  1213.                 // one midi program added, probably created by user

  1214.                 pData->midiprog.current = static_cast<int32_t>(oldCount);

  1215.                 programChanged = true;

  1216.             }

  1217.             else if (current < 0 && newCount > 0)

  1218.             {

  1219.                 // programs exist now, but not before

  1220.                 pData->midiprog.current = 0;

  1221.                 programChanged = true;

  1222.             }

  1223.             else if (current >= 0 && newCount == 0)

  1224.             {

  1225.                 // programs existed before, but not anymore

  1226.                 pData->midiprog.current = -1;

  1227.                 programChanged = true;

  1228.             }

  1229.             else if (current >= static_cast<int32_t>(newCount))

  1230.             {

  1231.                 // current midi program > count

  1232.                 pData->midiprog.current = 0;

  1233.                 programChanged = true;

  1234.             }

  1235.             else

  1236.             {

  1237.                 // no change

  1238.                 pData->midiprog.current = current;

  1239.             }

  1240. 

  1241.             if (programChanged)

  1242.                 setMidiProgram(pData->midiprog.current, true, true, true);

  1243. 

  1244.             pData->engine->callback(ENGINE_CALLBACK_RELOAD_PROGRAMS, pData->id, 0, 0, 0.0f, nullptr);

  1245.         }

  1246.     }

  1247. 

  1248.     // -------------------------------------------------------------------

  1249.     // Plugin processing

  1250. 

  1251.     void activate() noexcept override

  1252.     {

  1253.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1254. 

  1255.         if (fDescriptor->activate != nullptr)

  1256.         {

  1257.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  1258.             {

  1259.                 LADSPA_Handle const handle(it.getValue(nullptr));

  1260.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1261. 

  1262.                 try {

  1263.                     fDescriptor->activate(handle);

  1264.                 } CARLA_SAFE_EXCEPTION("DSSI activate");

  1265.             }

  1266.         }

  1267.     }

  1268. 

  1269.     void deactivate() noexcept override

  1270.     {

  1271.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1272. 

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

  1274.         {

  1275.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  1276.             {

  1277.                 LADSPA_Handle const handle(it.getValue(nullptr));

  1278.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1279. 

  1280.                 try {

  1281.                     fDescriptor->deactivate(handle);

  1282.                 } CARLA_SAFE_EXCEPTION("DSSI deactivate");

  1283.             }

  1284.         }

  1285.     }

  1286. 

  1287.     void process(const float** const audioIn, float** const audioOut, const float** const, float** const, const uint32_t frames) override

  1288.     {

  1289.         // --------------------------------------------------------------------------------------------------------

  1290.         // Check if active

  1291. 

  1292.         if (! pData->active)

  1293.         {

  1294.             // disable any output sound

  1295.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1296.                 carla_zeroFloats(audioOut[i], frames);

  1297.             return;

  1298.         }

  1299. 

  1300.         ulong midiEventCount = 0;

  1301.         carla_zeroStructs(fMidiEvents, kPluginMaxMidiEvents);

  1302. 

  1303.         // --------------------------------------------------------------------------------------------------------

  1304.         // Check if needs reset

  1305. 

  1306.         if (pData->needsReset)

  1307.         {

  1308.             if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1309.             {

  1310.                 midiEventCount = MAX_MIDI_CHANNELS*2;

  1311. 

  1312.                 for (uchar i=0, k=MAX_MIDI_CHANNELS; i < MAX_MIDI_CHANNELS; ++i)

  1313.                 {

  1314.                     fMidiEvents[i].type = SND_SEQ_EVENT_CONTROLLER;

  1315.                     fMidiEvents[i].data.control.channel = i;

  1316.                     fMidiEvents[i].data.control.param   = MIDI_CONTROL_ALL_NOTES_OFF;

  1317. 

  1318.                     fMidiEvents[k+i].type = SND_SEQ_EVENT_CONTROLLER;

  1319.                     fMidiEvents[k+i].data.control.channel = i;

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

  1321.                 }

  1322.             }

  1323.             else if (pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1324.             {

  1325.                 midiEventCount = MAX_MIDI_NOTE;

  1326. 

  1327.                 for (uchar i=0; i < MAX_MIDI_NOTE; ++i)

  1328.                 {

  1329.                     fMidiEvents[i].type = SND_SEQ_EVENT_NOTEOFF;

  1330.                     fMidiEvents[i].data.note.channel = static_cast<uchar>(pData->ctrlChannel);

  1331.                     fMidiEvents[i].data.note.note    = i;

  1332.                 }

  1333.             }

  1334. 

  1335.             pData->needsReset = false;

  1336.         }

  1337. 

  1338.         // --------------------------------------------------------------------------------------------------------

  1339.         // Event Input and Processing

  1340. 

  1341.         if (pData->event.portIn != nullptr)

  1342.         {

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

  1344.             // MIDI Input (External)

  1345. 

  1346.             if (pData->extNotes.mutex.tryLock())

  1347.             {

  1348.                 ExternalMidiNote note = { 0, 0, 0 };

  1349. 

  1350.                 for (; midiEventCount < kPluginMaxMidiEvents && ! pData->extNotes.data.isEmpty();)

  1351.                 {

  1352.                     note = pData->extNotes.data.getFirst(note, true);

  1353.                     CARLA_SAFE_ASSERT_CONTINUE(note.channel >= 0 && note.channel < MAX_MIDI_CHANNELS);

  1354. 

  1355.                     snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1356. 

  1357.                     seqEvent.type               = (note.velo > 0) ? SND_SEQ_EVENT_NOTEON : SND_SEQ_EVENT_NOTEOFF;

  1358.                     seqEvent.data.note.channel  = static_cast<uchar>(note.channel);

  1359.                     seqEvent.data.note.note     = note.note;

  1360.                     seqEvent.data.note.velocity = note.velo;

  1361.                 }

  1362. 

  1363.                 pData->extNotes.mutex.unlock();

  1364. 

  1365.             } // End of MIDI Input (External)

  1366. 

  1367.             // ----------------------------------------------------------------------------------------------------

  1368.             // Event Input (System)

  1369. 

  1370. #ifndef BUILD_BRIDGE

  1371.             bool allNotesOffSent = false;

  1372. #endif

  1373.             const bool isSampleAccurate = (pData->options & PLUGIN_OPTION_FIXED_BUFFERS) == 0;

  1374. 

  1375.             uint32_t startTime  = 0;

  1376.             uint32_t timeOffset = 0;

  1377.             uint32_t nextBankId;

  1378. 

  1379.             if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1380.                 nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1381.             else

  1382.                 nextBankId = 0;

  1383. 

  1384.             for (uint32_t i=0, numEvents=pData->event.portIn->getEventCount(); i < numEvents; ++i)

  1385.             {

  1386.                 const EngineEvent& event(pData->event.portIn->getEvent(i));

  1387. 

  1388.                 if (event.time >= frames)

  1389.                     continue;

  1390. 

  1391.                 CARLA_ASSERT_INT2(event.time >= timeOffset, event.time, timeOffset);

  1392. 

  1393.                 if (isSampleAccurate && event.time > timeOffset)

  1394.                 {

  1395.                     if (processSingle(audioIn, audioOut, event.time - timeOffset, timeOffset, midiEventCount))

  1396.                     {

  1397.                         startTime  = 0;

  1398.                         timeOffset = event.time;

  1399.                         midiEventCount = 0;

  1400. 

  1401.                         if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1402.                             nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1403.                         else

  1404.                             nextBankId = 0;

  1405.                     }

  1406.                     else

  1407.                         startTime += timeOffset;

  1408.                 }

  1409. 

  1410.                 switch (event.type)

  1411.                 {

  1412.                 case kEngineEventTypeNull:

  1413.                     break;

  1414. 

  1415.                 case kEngineEventTypeControl: {

  1416.                     const EngineControlEvent& ctrlEvent(event.ctrl);

  1417. 

  1418.                     switch (ctrlEvent.type)

  1419.                     {

  1420.                     case kEngineControlEventTypeNull:

  1421.                         break;

  1422. 

  1423.                     case kEngineControlEventTypeParameter: {

  1424. #ifndef BUILD_BRIDGE

  1425.                         // Control backend stuff

  1426.                         if (event.channel == pData->ctrlChannel)

  1427.                         {

  1428.                             float value;

  1429. 

  1430.                             if (MIDI_IS_CONTROL_BREATH_CONTROLLER(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_DRYWET) != 0)

  1431.                             {

  1432.                                 value = ctrlEvent.value;

  1433.                                 setDryWet(value, false, false);

  1434.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_DRYWET, 0, value);

  1435.                             }

  1436. 

  1437.                             if (MIDI_IS_CONTROL_CHANNEL_VOLUME(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_VOLUME) != 0)

  1438.                             {

  1439.                                 value = ctrlEvent.value*127.0f/100.0f;

  1440.                                 setVolume(value, false, false);

  1441.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_VOLUME, 0, value);

  1442.                             }

  1443. 

  1444.                             if (MIDI_IS_CONTROL_BALANCE(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_BALANCE) != 0)

  1445.                             {

  1446.                                 float left, right;

  1447.                                 value = ctrlEvent.value/0.5f - 1.0f;

  1448. 

  1449.                                 if (value < 0.0f)

  1450.                                 {

  1451.                                     left  = -1.0f;

  1452.                                     right = (value*2.0f)+1.0f;

  1453.                                 }

  1454.                                 else if (value > 0.0f)

  1455.                                 {

  1456.                                     left  = (value*2.0f)-1.0f;

  1457.                                     right = 1.0f;

  1458.                                 }

  1459.                                 else

  1460.                                 {

  1461.                                     left  = -1.0f;

  1462.                                     right = 1.0f;

  1463.                                 }

  1464. 

  1465.                                 setBalanceLeft(left, false, false);

  1466.                                 setBalanceRight(right, false, false);

  1467.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_LEFT, 0, left);

  1468.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_RIGHT, 0, right);

  1469.                             }

  1470.                         }

  1471. #endif

  1472.                         // Control plugin parameters

  1473.                         for (uint32_t k=0; k < pData->param.count; ++k)

  1474.                         {

  1475.                             if (pData->param.data[k].midiChannel != event.channel)

  1476.                                 continue;

  1477.                             if (pData->param.data[k].midiCC != ctrlEvent.param)

  1478.                                 continue;

  1479.                             if (pData->param.data[k].type != PARAMETER_INPUT)

  1480.                                 continue;

  1481.                             if ((pData->param.data[k].hints & PARAMETER_IS_AUTOMABLE) == 0)

  1482.                                 continue;

  1483. 

  1484.                             float value;

  1485. 

  1486.                             if (pData->param.data[k].hints & PARAMETER_IS_BOOLEAN)

  1487.                             {

  1488.                                 value = (ctrlEvent.value < 0.5f) ? pData->param.ranges[k].min : pData->param.ranges[k].max;

  1489.                             }

  1490.                             else

  1491.                             {

  1492.                                 if (pData->param.data[k].hints & PARAMETER_IS_LOGARITHMIC)

  1493.                                     value = pData->param.ranges[k].getUnnormalizedLogValue(ctrlEvent.value);

  1494.                                 else

  1495.                                     value = pData->param.ranges[k].getUnnormalizedValue(ctrlEvent.value);

  1496. 

  1497.                                 if (pData->param.data[k].hints & PARAMETER_IS_INTEGER)

  1498.                                     value = std::rint(value);

  1499.                             }

  1500. 

  1501.                             setParameterValue(k, value, false, false, false);

  1502.                             pData->postponeRtEvent(kPluginPostRtEventParameterChange, static_cast<int32_t>(k), 0, value);

  1503.                         }

  1504. 

  1505.                         if ((pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0 && ctrlEvent.param < MAX_MIDI_CONTROL)

  1506.                         {

  1507.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1508.                                 continue;

  1509. 

  1510.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1511. 

  1512.                             seqEvent.time.tick = isSampleAccurate ? startTime : event.time;

  1513. 

  1514.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1515.                             seqEvent.data.control.channel = event.channel;

  1516.                             seqEvent.data.control.param   = ctrlEvent.param;

  1517.                             seqEvent.data.control.value   = int8_t(ctrlEvent.value*127.0f);

  1518.                         }

  1519. 

  1520.                         break;

  1521.                     } // case kEngineControlEventTypeParameter

  1522. 

  1523.                     case kEngineControlEventTypeMidiBank:

  1524.                         if (event.channel == pData->ctrlChannel && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1525.                             nextBankId = ctrlEvent.param;

  1526.                         break;

  1527. 

  1528.                     case kEngineControlEventTypeMidiProgram:

  1529.                         if (event.channel == pData->ctrlChannel && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1530.                         {

  1531.                             const uint32_t nextProgramId = ctrlEvent.param;

  1532. 

  1533.                             for (uint32_t k=0; k < pData->midiprog.count; ++k)

  1534.                             {

  1535.                                 if (pData->midiprog.data[k].bank == nextBankId && pData->midiprog.data[k].program == nextProgramId)

  1536.                                 {

  1537.                                     const int32_t index(static_cast<int32_t>(k));

  1538.                                     setMidiProgram(index, false, false, false);

  1539.                                     pData->postponeRtEvent(kPluginPostRtEventMidiProgramChange, index, 0, 0.0f);

  1540.                                     break;

  1541.                                 }

  1542.                             }

  1543.                         }

  1544.                         break;

  1545. 

  1546.                     case kEngineControlEventTypeAllSoundOff:

  1547.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1548.                         {

  1549.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1550.                                 continue;

  1551. 

  1552.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1553. 

  1554.                             seqEvent.time.tick = isSampleAccurate ? startTime : event.time;

  1555. 

  1556.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1557.                             seqEvent.data.control.channel = event.channel;

  1558.                             seqEvent.data.control.param   = MIDI_CONTROL_ALL_SOUND_OFF;

  1559.                         }

  1560.                         break;

  1561. 

  1562.                     case kEngineControlEventTypeAllNotesOff:

  1563.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1564.                         {

  1565. #ifndef BUILD_BRIDGE

  1566.                             if (event.channel == pData->ctrlChannel && ! allNotesOffSent)

  1567.                             {

  1568.                                 allNotesOffSent = true;

  1569.                                 sendMidiAllNotesOffToCallback();

  1570.                             }

  1571. #endif

  1572. 

  1573.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1574.                                 continue;

  1575. 

  1576.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1577. 

  1578.                             seqEvent.time.tick = isSampleAccurate ? startTime : event.time;

  1579. 

  1580.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1581.                             seqEvent.data.control.channel = event.channel;

  1582.                             seqEvent.data.control.param   = MIDI_CONTROL_ALL_NOTES_OFF;

  1583.                         }

  1584.                         break;

  1585.                     } // switch (ctrlEvent.type)

  1586.                     break;

  1587.                 } // case kEngineEventTypeControl

  1588. 

  1589.                 case kEngineEventTypeMidi: {

  1590.                     if (midiEventCount >= kPluginMaxMidiEvents)

  1591.                         continue;

  1592. 

  1593.                     const EngineMidiEvent& midiEvent(event.midi);

  1594. 

  1595.                     if (midiEvent.size > EngineMidiEvent::kDataSize)

  1596.                         continue;

  1597. 

  1598.                     uint8_t status = uint8_t(MIDI_GET_STATUS_FROM_DATA(midiEvent.data));

  1599. 

  1600.                     // Fix bad note-off (per DSSI spec)

  1601.                     if (status == MIDI_STATUS_NOTE_ON && midiEvent.data[2] == 0)

  1602.                         status = MIDI_STATUS_NOTE_OFF;

  1603. 

  1604.                     snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1605. 

  1606.                     seqEvent.time.tick = isSampleAccurate ? startTime : event.time;

  1607. 

  1608.                     switch (status)

  1609.                     {

  1610.                     case MIDI_STATUS_NOTE_OFF: {

  1611.                         const uint8_t note = midiEvent.data[1];

  1612. 

  1613.                         seqEvent.type = SND_SEQ_EVENT_NOTEOFF;

  1614.                         seqEvent.data.note.channel = event.channel;

  1615.                         seqEvent.data.note.note    = note;

  1616. 

  1617.                         pData->postponeRtEvent(kPluginPostRtEventNoteOff, event.channel, note, 0.0f);

  1618.                         break;

  1619.                     }

  1620. 

  1621.                     case MIDI_STATUS_NOTE_ON: {

  1622.                         const uint8_t note = midiEvent.data[1];

  1623.                         const uint8_t velo = midiEvent.data[2];

  1624. 

  1625.                         seqEvent.type = SND_SEQ_EVENT_NOTEON;

  1626.                         seqEvent.data.note.channel  = event.channel;

  1627.                         seqEvent.data.note.note     = note;

  1628.                         seqEvent.data.note.velocity = velo;

  1629. 

  1630.                         pData->postponeRtEvent(kPluginPostRtEventNoteOn, event.channel, note, velo);

  1631.                         break;

  1632.                     }

  1633. 

  1634.                     case MIDI_STATUS_POLYPHONIC_AFTERTOUCH:

  1635.                         if (pData->options & PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH)

  1636.                         {

  1637.                             const uint8_t note     = midiEvent.data[1];

  1638.                             const uint8_t pressure = midiEvent.data[2];

  1639. 

  1640.                             seqEvent.type = SND_SEQ_EVENT_KEYPRESS;

  1641.                             seqEvent.data.note.channel  = event.channel;

  1642.                             seqEvent.data.note.note     = note;

  1643.                             seqEvent.data.note.velocity = pressure;

  1644.                         }

  1645.                         break;

  1646. 

  1647.                     case MIDI_STATUS_CONTROL_CHANGE:

  1648.                         if (pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES)

  1649.                         {

  1650.                             const uint8_t control = midiEvent.data[1];

  1651.                             const uint8_t value   = midiEvent.data[2];

  1652. 

  1653.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1654.                             seqEvent.data.control.channel = event.channel;

  1655.                             seqEvent.data.control.param   = control;

  1656.                             seqEvent.data.control.value   = value;

  1657.                         }

  1658.                         break;

  1659. 

  1660.                     case MIDI_STATUS_CHANNEL_PRESSURE:

  1661.                         if (pData->options & PLUGIN_OPTION_SEND_CHANNEL_PRESSURE)

  1662.                         {

  1663.                             const uint8_t pressure = midiEvent.data[1];

  1664. 

  1665.                             seqEvent.type = SND_SEQ_EVENT_CHANPRESS;

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

  1667.                             seqEvent.data.control.value   = pressure;

  1668.                         }

  1669.                         break;

  1670. 

  1671.                     case MIDI_STATUS_PITCH_WHEEL_CONTROL:

  1672.                         if (pData->options & PLUGIN_OPTION_SEND_PITCHBEND)

  1673.                         {

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

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

  1676. 

  1677.                             seqEvent.type = SND_SEQ_EVENT_PITCHBEND;

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

  1679.                             seqEvent.data.control.value   = ((msb << 7) | lsb) - 8192;

  1680.                         }

  1681.                         break;

  1682. 

  1683.                     default:

  1684.                         --midiEventCount;

  1685.                         break;

  1686.                     } // switch (status)

  1687.                 } break;

  1688.                 } // switch (event.type)

  1689.             }

  1690. 

  1691.             pData->postRtEvents.trySplice();

  1692. 

  1693.             if (frames > timeOffset)

  1694.                 processSingle(audioIn, audioOut, frames - timeOffset, timeOffset, midiEventCount);

  1695. 

  1696.         } // End of Event Input and Processing

  1697. 

  1698.         // --------------------------------------------------------------------------------------------------------

  1699.         // Plugin processing (no events)

  1700. 

  1701.         else

  1702.         {

  1703.             processSingle(audioIn, audioOut, frames, 0, midiEventCount);

  1704. 

  1705.         } // End of Plugin processing (no events)

  1706. 

  1707.         // --------------------------------------------------------------------------------------------------------

  1708.         // Control Output

  1709. 

  1710.         if (pData->event.portOut != nullptr)

  1711.         {

  1712.             uint8_t  channel;

  1713.             uint16_t param;

  1714.             float    value;

  1715. 

  1716.             for (uint32_t k=0; k < pData->param.count; ++k)

  1717.             {

  1718.                 if (pData->param.data[k].type != PARAMETER_OUTPUT)

  1719.                     continue;

  1720. 

  1721.                 pData->param.ranges[k].fixValue(fParamBuffers[k]);

  1722. 

  1723.                 if (pData->param.data[k].midiCC > 0)

  1724.                 {

  1725.                     channel = pData->param.data[k].midiChannel;

  1726.                     param   = static_cast<uint16_t>(pData->param.data[k].midiCC);

  1727.                     value   = pData->param.ranges[k].getNormalizedValue(fParamBuffers[k]);

  1728.                     pData->event.portOut->writeControlEvent(0, channel, kEngineControlEventTypeParameter, param, value);

  1729.                 }

  1730.             }

  1731.         } // End of Control Output

  1732.     }

  1733. 

  1734.     bool processSingle(const float** const audioIn, float** const audioOut, const uint32_t frames,

  1735.                        const uint32_t timeOffset, const ulong midiEventCount)

  1736.     {

  1737.         CARLA_SAFE_ASSERT_RETURN(frames > 0, false);

  1738. 

  1739.         if (pData->audioIn.count > 0)

  1740.         {

  1741.             CARLA_SAFE_ASSERT_RETURN(audioIn != nullptr, false);

  1742.         }

  1743.         if (pData->audioOut.count > 0)

  1744.         {

  1745.             CARLA_SAFE_ASSERT_RETURN(audioOut != nullptr, false);

  1746.         }

  1747. 

  1748.         // --------------------------------------------------------------------------------------------------------

  1749.         // Try lock, silence otherwise

  1750. 

  1751.         if (pData->engine->isOffline())

  1752.         {

  1753.             pData->singleMutex.lock();

  1754.         }

  1755.         else if (! pData->singleMutex.tryLock())

  1756.         {

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

  1758.             {

  1759.                 for (uint32_t k=0; k < frames; ++k)

  1760.                     audioOut[i][k+timeOffset] = 0.0f;

  1761.             }

  1762. 

  1763.             return false;

  1764.         }

  1765. 

  1766.         // --------------------------------------------------------------------------------------------------------

  1767.         // Set audio buffers

  1768. 

  1769.         const bool customMonoOut   = pData->audioOut.count == 2 && fForcedStereoOut && ! fForcedStereoIn;

  1770.         const bool customStereoOut = pData->audioOut.count == 2 && fForcedStereoIn  && ! fForcedStereoOut;

  1771. 

  1772.         if (! customMonoOut)

  1773.         {

  1774.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1775.                 carla_zeroFloats(fAudioOutBuffers[i], frames);

  1776.         }

  1777. 

  1778.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1779.             carla_copyFloats(fAudioInBuffers[i], audioIn[i]+timeOffset, frames);

  1780. 

  1781.         // --------------------------------------------------------------------------------------------------------

  1782.         // Run plugin

  1783. 

  1784.         uint instn = 0;

  1785.         for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next(), ++instn)

  1786.         {

  1787.             LADSPA_Handle const handle(it.getValue(nullptr));

  1788.             CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1789. 

  1790.             // ----------------------------------------------------------------------------------------------------

  1791.             // Mixdown for forced stereo

  1792. 

  1793.             if (customMonoOut)

  1794.                 carla_zeroFloats(fAudioOutBuffers[instn], frames);

  1795. 

  1796.             // ----------------------------------------------------------------------------------------------------

  1797.             // Run it

  1798. 

  1799.             if (fDssiDescriptor->run_synth != nullptr)

  1800.             {

  1801.                 try {

  1802.                     fDssiDescriptor->run_synth(handle, frames, fMidiEvents, midiEventCount);

  1803.                 } CARLA_SAFE_EXCEPTION("DSSI run_synth");

  1804.             }

  1805.             else

  1806.             {

  1807.                 try {

  1808.                     fDescriptor->run(handle, frames);

  1809.                 } CARLA_SAFE_EXCEPTION("DSSI run");

  1810.             }

  1811. 

  1812.             // ----------------------------------------------------------------------------------------------------

  1813.             // Mixdown for forced stereo

  1814. 

  1815.             if (customMonoOut)

  1816.                 carla_multiply(fAudioOutBuffers[instn], 0.5f, frames);

  1817.             else if (customStereoOut)

  1818.                 carla_copyFloats(fExtraStereoBuffer[instn], fAudioOutBuffers[instn], frames);

  1819.         }

  1820. 

  1821.         if (customStereoOut)

  1822.         {

  1823.             carla_copyFloats(fAudioOutBuffers[0], fExtraStereoBuffer[0], frames);

  1824.             carla_copyFloats(fAudioOutBuffers[1], fExtraStereoBuffer[1], frames);

  1825.         }

  1826. 

  1827. #ifndef BUILD_BRIDGE

  1828.         // --------------------------------------------------------------------------------------------------------

  1829.         // Post-processing (dry/wet, volume and balance)

  1830. 

  1831.         {

  1832.             const bool doDryWet  = (pData->hints & PLUGIN_CAN_DRYWET) != 0 && carla_isNotEqual(pData->postProc.dryWet, 1.0f);

  1833.             const bool doBalance = (pData->hints & PLUGIN_CAN_BALANCE) != 0 && ! (carla_isEqual(pData->postProc.balanceLeft, -1.0f) && carla_isEqual(pData->postProc.balanceRight, 1.0f));

  1834.             const bool isMono    = (pData->audioIn.count == 1);

  1835. 

  1836.             bool isPair;

  1837.             float bufValue, oldBufLeft[doBalance ? frames : 1];

  1838. 

  1839.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1840.             {

  1841.                 // Dry/Wet

  1842.                 if (doDryWet)

  1843.                 {

  1844.                     const uint32_t c = isMono ? 0 : i;

  1845. 

  1846.                     for (uint32_t k=0; k < frames; ++k)

  1847.                     {

  1848.                         if (k < pData->latency.frames)

  1849.                             bufValue = pData->latency.buffers[c][k];

  1850.                         else if (pData->latency.frames < frames)

  1851.                             bufValue = fAudioInBuffers[c][k-pData->latency.frames];

  1852.                         else

  1853.                             bufValue = fAudioInBuffers[c][k];

  1854. 

  1855.                         fAudioOutBuffers[i][k] = (fAudioOutBuffers[i][k] * pData->postProc.dryWet) + (bufValue * (1.0f - pData->postProc.dryWet));

  1856.                     }

  1857.                 }

  1858. 

  1859.                 // Balance

  1860.                 if (doBalance)

  1861.                 {

  1862.                     isPair = (i % 2 == 0);

  1863. 

  1864.                     if (isPair)

  1865.                     {

  1866.                         CARLA_ASSERT(i+1 < pData->audioOut.count);

  1867.                         carla_copyFloats(oldBufLeft, fAudioOutBuffers[i], frames);

  1868.                     }

  1869. 

  1870.                     float balRangeL = (pData->postProc.balanceLeft  + 1.0f)/2.0f;

  1871.                     float balRangeR = (pData->postProc.balanceRight + 1.0f)/2.0f;

  1872. 

  1873.                     for (uint32_t k=0; k < frames; ++k)

  1874.                     {

  1875.                         if (isPair)

  1876.                         {

  1877.                             // left

  1878.                             fAudioOutBuffers[i][k]  = oldBufLeft[k]            * (1.0f - balRangeL);

  1879.                             fAudioOutBuffers[i][k] += fAudioOutBuffers[i+1][k] * (1.0f - balRangeR);

  1880.                         }

  1881.                         else

  1882.                         {

  1883.                             // right

  1884.                             fAudioOutBuffers[i][k]  = fAudioOutBuffers[i][k] * balRangeR;

  1885.                             fAudioOutBuffers[i][k] += oldBufLeft[k]          * balRangeL;

  1886.                         }

  1887.                     }

  1888.                 }

  1889. 

  1890.                 // Volume (and buffer copy)

  1891.                 {

  1892.                     for (uint32_t k=0; k < frames; ++k)

  1893.                         audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k] * pData->postProc.volume;

  1894.                 }

  1895.             }

  1896. 

  1897.         } // End of Post-processing

  1898. 

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

  1900.         // Save latency values for next callback

  1901. 

  1902.         if (const uint32_t latframes = pData->latency.frames)

  1903.         {

  1904.             CARLA_SAFE_ASSERT(timeOffset == 0);

  1905. 

  1906.             if (latframes <= frames)

  1907.             {

  1908.                 for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1909.                     carla_copyFloats(pData->latency.buffers[i], audioIn[i]+(frames-latframes), latframes);

  1910.             }

  1911.             else

  1912.             {

  1913.                 const uint32_t diff = pData->latency.frames-frames;

  1914. 

  1915.                 for (uint32_t i=0, k; i<pData->audioIn.count; ++i)

  1916.                 {

  1917.                     // push back buffer by 'frames'

  1918.                     for (k=0; k < diff; ++k)

  1919.                         pData->latency.buffers[i][k] = pData->latency.buffers[i][k+frames];

  1920. 

  1921.                     // put current input at the end

  1922.                     for (uint32_t j=0; k < latframes; ++j, ++k)

  1923.                         pData->latency.buffers[i][k] = audioIn[i][j];

  1924.                 }

  1925.             }

  1926.         }

  1927. 

  1928. #else // BUILD_BRIDGE

  1929.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1930.         {

  1931.             for (uint32_t k=0; k < frames; ++k)

  1932.                 audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k];

  1933.         }

  1934. #endif

  1935. 

  1936.         // --------------------------------------------------------------------------------------------------------

  1937. 

  1938.         pData->singleMutex.unlock();

  1939.         return true;

  1940.     }

  1941. 

  1942.     void bufferSizeChanged(const uint32_t newBufferSize) override

  1943.     {

  1944.         CARLA_ASSERT_INT(newBufferSize > 0, newBufferSize);

  1945.         carla_debug("CarlaPluginDSSI::bufferSizeChanged(%i) - start", newBufferSize);

  1946. 

  1947.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1948.         {

  1949.             if (fAudioInBuffers[i] != nullptr)

  1950.                 delete[] fAudioInBuffers[i];

  1951. 

  1952.             fAudioInBuffers[i] = new float[newBufferSize];

  1953.             carla_zeroFloats(fAudioInBuffers[i], newBufferSize);

  1954.         }

  1955. 

  1956.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1957.         {

  1958.             if (fAudioOutBuffers[i] != nullptr)

  1959.                 delete[] fAudioOutBuffers[i];

  1960. 

  1961.             fAudioOutBuffers[i] = new float[newBufferSize];

  1962.             carla_zeroFloats(fAudioOutBuffers[i], newBufferSize);

  1963.         }

  1964. 

  1965.         if (fExtraStereoBuffer[0] != nullptr)

  1966.         {

  1967.             delete[] fExtraStereoBuffer[0];

  1968.             fExtraStereoBuffer[0] = nullptr;

  1969.         }

  1970. 

  1971.         if (fExtraStereoBuffer[1] != nullptr)

  1972.         {

  1973.             delete[] fExtraStereoBuffer[1];

  1974.             fExtraStereoBuffer[1] = nullptr;

  1975.         }

  1976. 

  1977.         if (fForcedStereoIn && pData->audioOut.count == 2)

  1978.         {

  1979.             fExtraStereoBuffer[0] = new float[newBufferSize];

  1980.             fExtraStereoBuffer[1] = new float[newBufferSize];

  1981.             carla_zeroFloats(fExtraStereoBuffer[0], newBufferSize);

  1982.             carla_zeroFloats(fExtraStereoBuffer[1], newBufferSize);

  1983.         }

  1984. 

  1985.         reconnectAudioPorts();

  1986. 

  1987.         carla_debug("CarlaPluginDSSI::bufferSizeChanged(%i) - end", newBufferSize);

  1988.     }

  1989. 

  1990.     void sampleRateChanged(const double newSampleRate) override

  1991.     {

  1992.         CARLA_ASSERT_INT(newSampleRate > 0.0, newSampleRate);

  1993.         carla_debug("CarlaPluginDSSI::sampleRateChanged(%g) - start", newSampleRate);

  1994. 

  1995.         // TODO - handle UI stuff

  1996. 

  1997.         if (pData->active)

  1998.             deactivate();

  1999. 

  2000.         const std::size_t instanceCount(fHandles.count());

  2001. 

  2002.         if (fDescriptor->cleanup == nullptr)

  2003.         {

  2004.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  2005.             {

  2006.                 LADSPA_Handle const handle(it.getValue(nullptr));

  2007.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  2008. 

  2009.                 try {

  2010.                     fDescriptor->cleanup(handle);

  2011.                 } CARLA_SAFE_EXCEPTION("LADSPA cleanup");

  2012.             }

  2013.         }

  2014. 

  2015.         fHandles.clear();

  2016. 

  2017.         for (std::size_t i=0; i<instanceCount; ++i)

  2018.             addInstance();

  2019. 

  2020.         reconnectAudioPorts();

  2021. 

  2022.         if (pData->active)

  2023.             activate();

  2024. 

  2025.         carla_debug("CarlaPluginDSSI::sampleRateChanged(%g) - end", newSampleRate);

  2026.     }

  2027. 

  2028.     void reconnectAudioPorts() const noexcept

  2029.     {

  2030.         if (fForcedStereoIn)

  2031.         {

  2032.             if (LADSPA_Handle const handle = fHandles.getFirst(nullptr))

  2033.             {

  2034.                 try {

  2035.                     fDescriptor->connect_port(handle, pData->audioIn.ports[0].rindex, fAudioInBuffers[0]);

  2036.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port (forced stereo input, first)");

  2037.             }

  2038. 

  2039.             if (LADSPA_Handle const handle = fHandles.getLast(nullptr))

  2040.             {

  2041.                 try {

  2042.                     fDescriptor->connect_port(handle, pData->audioIn.ports[1].rindex, fAudioInBuffers[1]);

  2043.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port (forced stereo input, last)");

  2044.             }

  2045.         }

  2046.         else

  2047.         {

  2048.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  2049.             {

  2050.                 LADSPA_Handle const handle(it.getValue(nullptr));

  2051.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  2052. 

  2053.                 for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2054.                 {

  2055.                     try {

  2056.                         fDescriptor->connect_port(handle, pData->audioIn.ports[i].rindex, fAudioInBuffers[i]);

  2057.                     } CARLA_SAFE_EXCEPTION("DSSI connect_port (audio input)");

  2058.                 }

  2059.             }

  2060.         }

  2061. 

  2062.         if (fForcedStereoOut)

  2063.         {

  2064.             if (LADSPA_Handle const handle = fHandles.getFirst(nullptr))

  2065.             {

  2066.                 try {

  2067.                     fDescriptor->connect_port(handle, pData->audioOut.ports[0].rindex, fAudioOutBuffers[0]);

  2068.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port (forced stereo output, first)");

  2069.             }

  2070. 

  2071.             if (LADSPA_Handle const handle = fHandles.getLast(nullptr))

  2072.             {

  2073.                 try {

  2074.                     fDescriptor->connect_port(handle, pData->audioOut.ports[1].rindex, fAudioOutBuffers[1]);

  2075.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port (forced stereo output, last)");

  2076.             }

  2077.         }

  2078.         else

  2079.         {

  2080.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  2081.             {

  2082.                 LADSPA_Handle const handle(it.getValue(nullptr));

  2083.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  2084. 

  2085.                 for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2086.                 {

  2087.                     try {

  2088.                         fDescriptor->connect_port(handle, pData->audioOut.ports[i].rindex, fAudioOutBuffers[i]);

  2089.                     } CARLA_SAFE_EXCEPTION("DSSI connect_port (audio output)");

  2090.                 }

  2091.             }

  2092.         }

  2093.     }

  2094. 

  2095.     // -------------------------------------------------------------------

  2096.     // Plugin buffers

  2097. 

  2098.     void clearBuffers() noexcept override

  2099.     {

  2100.         carla_debug("CarlaPluginDSSI::clearBuffers() - start");

  2101. 

  2102.         if (fAudioInBuffers != nullptr)

  2103.         {

  2104.             for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2105.             {

  2106.                 if (fAudioInBuffers[i] != nullptr)

  2107.                 {

  2108.                     delete[] fAudioInBuffers[i];

  2109.                     fAudioInBuffers[i] = nullptr;

  2110.                 }

  2111.             }

  2112. 

  2113.             delete[] fAudioInBuffers;

  2114.             fAudioInBuffers = nullptr;

  2115.         }

  2116. 

  2117.         if (fAudioOutBuffers != nullptr)

  2118.         {

  2119.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2120.             {

  2121.                 if (fAudioOutBuffers[i] != nullptr)

  2122.                 {

  2123.                     delete[] fAudioOutBuffers[i];

  2124.                     fAudioOutBuffers[i] = nullptr;

  2125.                 }

  2126.             }

  2127. 

  2128.             delete[] fAudioOutBuffers;

  2129.             fAudioOutBuffers = nullptr;

  2130.         }

  2131. 

  2132.         if (fExtraStereoBuffer[0] != nullptr)

  2133.         {

  2134.             delete[] fExtraStereoBuffer[0];

  2135.             fExtraStereoBuffer[0] = nullptr;

  2136.         }

  2137. 

  2138.         if (fExtraStereoBuffer[1] != nullptr)

  2139.         {

  2140.             delete[] fExtraStereoBuffer[1];

  2141.             fExtraStereoBuffer[1] = nullptr;

  2142.         }

  2143. 

  2144.         if (fParamBuffers != nullptr)

  2145.         {

  2146.             delete[] fParamBuffers;

  2147.             fParamBuffers = nullptr;

  2148.         }

  2149. 

  2150.         CarlaPlugin::clearBuffers();

  2151. 

  2152.         carla_debug("CarlaPluginDSSI::clearBuffers() - end");

  2153.     }

  2154. 

  2155. #ifdef HAVE_LIBLO

  2156.     // -------------------------------------------------------------------

  2157.     // OSC stuff

  2158. 

  2159.     void handleOscMessage(const char* const method, const int argc, const void* const argvx, const char* const types, const lo_message msg) override

  2160.     {

  2161.         const lo_address source(lo_message_get_source(msg));

  2162.         CARLA_SAFE_ASSERT_RETURN(source != nullptr,);

  2163. 

  2164.         // protocol for DSSI UIs *must* be UDP

  2165.         CARLA_SAFE_ASSERT_RETURN(lo_address_get_protocol(source) == LO_UDP,);

  2166. 

  2167.         if (fOscData.source == nullptr)

  2168.         {

  2169.             // if no UI is registered yet only "configure" and "update" messages are valid

  2170.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(method, "configure") == 0 || std::strcmp(method, "update") == 0,)

  2171.         }

  2172.         else

  2173.         {

  2174.             // make sure message source is the DSSI UI

  2175.             const char* const msghost = lo_address_get_hostname(source);

  2176.             const char* const msgport = lo_address_get_port(source);

  2177. 

  2178.             const char* const ourhost = lo_address_get_hostname(fOscData.source);

  2179.             const char* const ourport = lo_address_get_port(fOscData.source);

  2180. 

  2181.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(msghost, ourhost) == 0,);

  2182.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(msgport, ourport) == 0,);

  2183.         }

  2184. 

  2185.         const lo_arg* const* const argv(static_cast<const lo_arg* const* const>(argvx));

  2186. 

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

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

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

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

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

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

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

  2194.             return handleOscMessageMIDI(argc, argv, types);

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

  2196.             return handleOscMessageUpdate(argc, argv, types, lo_message_get_source(msg));

  2197.         if (std::strcmp(method, "exiting") == 0)

  2198.             return handleOscMessageExiting();

  2199. 

  2200.         carla_stdout("CarlaPluginDSSI::handleOscMessage() - unknown method '%s'", method);

  2201.     }

  2202. 

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

  2204.     {

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

  2206.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "ss");

  2207. 

  2208.         const char* const key   = (const char*)&argv[0]->s;

  2209.         const char* const value = (const char*)&argv[1]->s;

  2210. 

  2211.         setCustomData(CUSTOM_DATA_TYPE_STRING, key, value, false);

  2212.     }

  2213. 

  2214.     void handleOscMessageControl(const int argc, const lo_arg* const* const argv, const char* const types)

  2215.     {

  2216.         carla_debug("CarlaPluginDSSI::handleMsgControl()");

  2217.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "if");

  2218. 

  2219.         const int32_t rindex = argv[0]->i;

  2220.         const float   value  = argv[1]->f;

  2221. 

  2222.         setParameterValueByRealIndex(rindex, value, false, true, true);

  2223.     }

  2224. 

  2225.     void handleOscMessageProgram(const int argc, const lo_arg* const* const argv, const char* const types)

  2226.     {

  2227.         carla_debug("CarlaPluginDSSI::handleMsgProgram()");

  2228.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "ii");

  2229. 

  2230.         const int32_t bank    = argv[0]->i;

  2231.         const int32_t program = argv[1]->i;

  2232. 

  2233.         CARLA_SAFE_ASSERT_RETURN(bank >= 0,);

  2234.         CARLA_SAFE_ASSERT_RETURN(program >= 0,);

  2235. 

  2236.         setMidiProgramById(static_cast<uint32_t>(bank), static_cast<uint32_t>(program), false, true, true);

  2237.     }

  2238. 

  2239.     void handleOscMessageMIDI(const int argc, const lo_arg* const* const argv, const char* const types)

  2240.     {

  2241.         carla_debug("CarlaPluginDSSI::handleMsgMidi()");

  2242.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(1, "m");

  2243. 

  2244.         if (getMidiInCount() == 0)

  2245.         {

  2246.             carla_stderr("CarlaPluginDSSI::handleMsgMidi() - received midi when plugin has no midi inputs");

  2247.             return;

  2248.         }

  2249. 

  2250.         const uint8_t* const data = argv[0]->m;

  2251.         uint8_t status  = data[1];

  2252.         uint8_t channel = status & 0x0F;

  2253. 

  2254.         // Fix bad note-off

  2255.         if (MIDI_IS_STATUS_NOTE_ON(status) && data[3] == 0)

  2256.             status = MIDI_STATUS_NOTE_OFF;

  2257. 

  2258.         if (MIDI_IS_STATUS_NOTE_OFF(status))

  2259.         {

  2260.             const uint8_t note = data[2];

  2261. 

  2262.             CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2263. 

  2264.             sendMidiSingleNote(channel, note, 0, false, true, true);

  2265.         }

  2266.         else if (MIDI_IS_STATUS_NOTE_ON(status))

  2267.         {

  2268.             const uint8_t note = data[2];

  2269.             const uint8_t velo = data[3];

  2270. 

  2271.             CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2272.             CARLA_SAFE_ASSERT_RETURN(velo < MAX_MIDI_VALUE,);

  2273. 

  2274.             sendMidiSingleNote(channel, note, velo, false, true, true);

  2275.         }

  2276.     }

  2277. 

  2278.     void handleOscMessageUpdate(const int argc, const lo_arg* const* const argv, const char* const types, const lo_address source)

  2279.     {

  2280.         carla_debug("CarlaPluginDSSI::handleMsgUpdate()");

  2281.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(1, "s");

  2282. 

  2283.         const char* const url = (const char*)&argv[0]->s;

  2284. 

  2285.         // FIXME - remove debug prints later

  2286.         carla_stdout("CarlaPluginDSSI::updateOscData(%p, \"%s\")", source, url);

  2287. 

  2288.         fOscData.clear();

  2289. 

  2290.         const int proto = lo_address_get_protocol(source);

  2291. 

  2292.         {

  2293.             const char* host = lo_address_get_hostname(source);

  2294.             const char* port = lo_address_get_port(source);

  2295.             fOscData.source = lo_address_new_with_proto(proto, host, port);

  2296. 

  2297.             carla_stdout("CarlaPlugin::updateOscData() - source: host \"%s\", port \"%s\"", host, port);

  2298.         }

  2299. 

  2300.         {

  2301.             char* host = lo_url_get_hostname(url);

  2302.             char* port = lo_url_get_port(url);

  2303.             fOscData.path   = carla_strdup_free(lo_url_get_path(url));

  2304.             fOscData.target = lo_address_new_with_proto(proto, host, port);

  2305.             carla_stdout("CarlaPlugin::updateOscData() - target: host \"%s\", port \"%s\", path \"%s\"", host, port, fOscData.path);

  2306. 

  2307.             std::free(host);

  2308.             std::free(port);

  2309.         }

  2310. 

  2311.         osc_send_sample_rate(fOscData, static_cast<float>(pData->engine->getSampleRate()));

  2312. 

  2313.         for (LinkedList<CustomData>::Itenerator it = pData->custom.begin2(); it.valid(); it.next())

  2314.         {

  2315.             const CustomData& customData(it.getValue(kCustomDataFallback));

  2316.             CARLA_SAFE_ASSERT_CONTINUE(customData.isValid());

  2317. 

  2318.             if (std::strcmp(customData.type, CUSTOM_DATA_TYPE_STRING) == 0)

  2319.                 osc_send_configure(fOscData, customData.key, customData.value);

  2320.         }

  2321. 

  2322.         if (pData->prog.current >= 0)

  2323.             osc_send_program(fOscData, static_cast<uint32_t>(pData->prog.current));

  2324. 

  2325.         if (pData->midiprog.current >= 0)

  2326.         {

  2327.             const MidiProgramData& curMidiProg(pData->midiprog.getCurrent());

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

  2329.         }

  2330. 

  2331.         for (uint32_t i=0; i < pData->param.count; ++i)

  2332.             osc_send_control(fOscData, pData->param.data[i].rindex, getParameterValue(i));

  2333. 

  2334.         if (pData->engine->getOptions().frontendWinId != 0)

  2335.             pData->transientTryCounter = 1;

  2336. 

  2337.         carla_stdout("CarlaPluginDSSI::updateOscData() - done");

  2338.     }

  2339. 

  2340.     void handleOscMessageExiting()

  2341.     {

  2342.         carla_debug("CarlaPluginDSSI::handleMsgExiting()");

  2343. 

  2344.         // hide UI

  2345.         showCustomUI(false);

  2346. 

  2347.         // tell frontend

  2348.         pData->engine->callback(ENGINE_CALLBACK_UI_STATE_CHANGED, pData->id, 0, 0, 0.0f, nullptr);

  2349.     }

  2350. 

  2351.     // -------------------------------------------------------------------

  2352.     // Post-poned UI Stuff

  2353. 

  2354.     void uiParameterChange(const uint32_t index, const float value) noexcept override

  2355.     {

  2356.         CARLA_SAFE_ASSERT_RETURN(index < pData->param.count,);

  2357. 

  2358.         if (fOscData.target == nullptr)

  2359.             return;

  2360. 

  2361.         osc_send_control(fOscData, pData->param.data[index].rindex, value);

  2362.     }

  2363. 

  2364.     void uiMidiProgramChange(const uint32_t index) noexcept override

  2365.     {

  2366.         CARLA_SAFE_ASSERT_RETURN(index < pData->midiprog.count,);

  2367. 

  2368.         if (fOscData.target == nullptr)

  2369.             return;

  2370. 

  2371.         osc_send_program(fOscData, pData->midiprog.data[index].bank, pData->midiprog.data[index].program);

  2372.     }

  2373. 

  2374.     void uiNoteOn(const uint8_t channel, const uint8_t note, const uint8_t velo) noexcept override

  2375.     {

  2376.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2377.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2378.         CARLA_SAFE_ASSERT_RETURN(velo > 0 && velo < MAX_MIDI_VALUE,);

  2379. 

  2380.         if (fOscData.target == nullptr)

  2381.             return;

  2382. 

  2383. #if 0

  2384.         uint8_t midiData[4];

  2385.         midiData[0] = 0;

  2386.         midiData[1] = uint8_t(MIDI_STATUS_NOTE_ON | (channel & MIDI_CHANNEL_BIT));

  2387.         midiData[2] = note;

  2388.         midiData[3] = velo;

  2389. 

  2390.         osc_send_midi(fOscData, midiData);

  2391. #endif

  2392.     }

  2393. 

  2394.     void uiNoteOff(const uint8_t channel, const uint8_t note) noexcept override

  2395.     {

  2396.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2397.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2398. 

  2399.         if (fOscData.target == nullptr)

  2400.             return;

  2401. 

  2402. #if 0

  2403.         uint8_t midiData[4];

  2404.         midiData[0] = 0;

  2405.         midiData[1] = uint8_t(MIDI_STATUS_NOTE_ON | (channel & MIDI_CHANNEL_BIT));

  2406.         midiData[2] = note;

  2407.         midiData[3] = 0;

  2408. 

  2409.         osc_send_midi(fOscData, midiData);

  2410. #endif

  2411.     }

  2412. #endif // HAVE_LIBLO

  2413. 

  2414.     // -------------------------------------------------------------------

  2415. 

  2416.     const void* getNativeDescriptor() const noexcept override

  2417.     {

  2418.         return fDssiDescriptor;

  2419.     }

  2420. 

  2421. #ifdef HAVE_LIBLO

  2422.     uintptr_t getUiBridgeProcessId() const noexcept override

  2423.     {

  2424.         return fThreadUI.getProcessId();

  2425.     }

  2426. 

  2427.     const void* getExtraStuff() const noexcept override

  2428.     {

  2429.         return fUiFilename;

  2430.     }

  2431. #endif

  2432. 

  2433.     // -------------------------------------------------------------------

  2434. 

  2435.     bool init(const char* const filename, const char* name, const char* const label, const uint options)

  2436.     {

  2437.         CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr, false);

  2438. 

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

  2440.         // first checks

  2441. 

  2442.         if (pData->client != nullptr)

  2443.         {

  2444.             pData->engine->setLastError("Plugin client is already registered");

  2445.             return false;

  2446.         }

  2447. 

  2448.         if (filename == nullptr || filename[0] == '\0')

  2449.         {

  2450.             pData->engine->setLastError("null filename");

  2451.             return false;

  2452.         }

  2453. 

  2454.         // ---------------------------------------------------------------

  2455.         // open DLL

  2456. 

  2457.         if (! pData->libOpen(filename))

  2458.         {

  2459.             pData->engine->setLastError(pData->libError(filename));

  2460.             return false;

  2461.         }

  2462. 

  2463.         // ---------------------------------------------------------------

  2464.         // get DLL main entry

  2465. 

  2466.         const DSSI_Descriptor_Function descFn = pData->libSymbol<DSSI_Descriptor_Function>("dssi_descriptor");

  2467. 

  2468.         if (descFn == nullptr)

  2469.         {

  2470.             pData->engine->setLastError("Could not find the DSSI Descriptor in the plugin library");

  2471.             return false;

  2472.         }

  2473. 

  2474.         // ---------------------------------------------------------------

  2475.         // get descriptor that matches label

  2476. 

  2477.         // if label is null, get first valid plugin

  2478.         const bool nullLabel = (label == nullptr || label[0] == '\0');

  2479. 

  2480.         for (ulong d=0;; ++d)

  2481.         {

  2482.             try {

  2483.                 fDssiDescriptor = descFn(d);

  2484.             }

  2485.             catch(...) {

  2486.                 carla_stderr2("Caught exception when trying to get DSSI descriptor");

  2487.                 fDescriptor     = nullptr;

  2488.                 fDssiDescriptor = nullptr;

  2489.                 break;

  2490.             }

  2491. 

  2492.             if (fDssiDescriptor == nullptr)

  2493.                 break;

  2494. 

  2495.             fDescriptor = fDssiDescriptor->LADSPA_Plugin;

  2496. 

  2497.             if (fDescriptor == nullptr)

  2498.             {

  2499.                 carla_stderr2("WARNING - Missing LADSPA interface, will not use this plugin");

  2500.                 fDssiDescriptor = nullptr;

  2501.                 break;

  2502.             }

  2503.             if (fDescriptor->Label == nullptr || fDescriptor->Label[0] == '\0')

  2504.             {

  2505.                 carla_stderr2("WARNING - Got an invalid label, will not use this plugin");

  2506.                 fDescriptor     = nullptr;

  2507.                 fDssiDescriptor = nullptr;

  2508.                 break;

  2509.             }

  2510.             if (fDescriptor->run == nullptr)

  2511.             {

  2512.                 carla_stderr2("WARNING - Plugin has no run, cannot use it");

  2513.                 fDescriptor     = nullptr;

  2514.                 fDssiDescriptor = nullptr;

  2515.                 break;

  2516.             }

  2517. 

  2518.             if (nullLabel || std::strcmp(fDescriptor->Label, label) == 0)

  2519.                 break;

  2520.         }

  2521. 

  2522.         if (fDescriptor == nullptr || fDssiDescriptor == nullptr)

  2523.         {

  2524.             pData->engine->setLastError("Could not find the requested plugin label in the plugin library");

  2525.             return false;

  2526.         }

  2527. 

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

  2529.         // check if uses global instance

  2530. 

  2531.         if (fDssiDescriptor->run_synth == nullptr && fDssiDescriptor->run_multiple_synths != nullptr)

  2532.         {

  2533.             pData->engine->setLastError("This plugin requires run_multiple_synths which is not supported");

  2534.             return false;

  2535.         }

  2536. 

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

  2538.         // check for fixed buffer size requirement

  2539. 

  2540.         fNeedsFixedBuffers = CarlaString(filename).contains("dssi-vst", true);

  2541. 

  2542.         if (fNeedsFixedBuffers && ! pData->engine->usesConstantBufferSize())

  2543.         {

  2544.             pData->engine->setLastError("Cannot use this plugin under the current engine.\n"

  2545.                                         "The plugin requires a fixed block size which is not possible right now.");

  2546.             return false;

  2547.         }

  2548. 

  2549.         // ---------------------------------------------------------------

  2550.         // get info

  2551. 

  2552.         if (name == nullptr || name[0] == '\0')

  2553.         {

  2554.             if (fDescriptor->Name != nullptr && fDescriptor->Name[0] != '\0')

  2555.                 name = fDescriptor->Name;

  2556.             else

  2557.                 name = fDescriptor->Label;

  2558.         }

  2559. 

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

  2561.         pData->filename = carla_strdup(filename);

  2562. 

  2563.         // ---------------------------------------------------------------

  2564.         // register client

  2565. 

  2566.         pData->client = pData->engine->addClient(this);

  2567. 

  2568.         if (pData->client == nullptr || ! pData->client->isOk())

  2569.         {

  2570.             pData->engine->setLastError("Failed to register plugin client");

  2571.             return false;

  2572.         }

  2573. 

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

  2575.         // initialize plugin

  2576. 

  2577.         if (! addInstance())

  2578.             return false;

  2579. 

  2580.         // ---------------------------------------------------------------

  2581.         // find latency port index

  2582. 

  2583.         for (uint32_t i=0, iCtrl=0, count=getSafePortCount(); i<count; ++i)

  2584.         {

  2585.             const int portType(fDescriptor->PortDescriptors[i]);

  2586. 

  2587.             if (! LADSPA_IS_PORT_CONTROL(portType))

  2588.                 continue;

  2589. 

  2590.             const uint32_t index(iCtrl++);

  2591. 

  2592.             if (! LADSPA_IS_PORT_OUTPUT(portType))

  2593.                 continue;

  2594. 

  2595.             const char* const portName(fDescriptor->PortNames[i]);

  2596.             CARLA_SAFE_ASSERT_BREAK(portName != nullptr);

  2597. 

  2598.             if (std::strcmp(portName, "latency")  == 0 ||

  2599.                 std::strcmp(portName, "_latency") == 0)

  2600.             {

  2601.                 fLatencyIndex = static_cast<int32_t>(index);

  2602.                 break;

  2603.             }

  2604.         }

  2605. 

  2606.         // ---------------------------------------------------------------

  2607.         // check for custom data extension

  2608. 

  2609.         if (fDssiDescriptor->configure != nullptr)

  2610.         {

  2611.             if (char* const error = fDssiDescriptor->configure(fHandles.getFirst(nullptr), DSSI_CUSTOMDATA_EXTENSION_KEY, ""))

  2612.             {

  2613.                 if (std::strcmp(error, "true") == 0 && fDssiDescriptor->get_custom_data != nullptr

  2614.                                                     && fDssiDescriptor->set_custom_data != nullptr)

  2615.                     fUsesCustomData = true;

  2616. 

  2617.                 std::free(error);

  2618.             }

  2619.         }

  2620. 

  2621. #ifdef HAVE_LIBLO

  2622.         // ---------------------------------------------------------------

  2623.         // check for gui

  2624. 

  2625.         if (const char* const guiFilename = find_dssi_ui(filename, fDescriptor->Label))

  2626.         {

  2627.             fUiFilename = guiFilename;

  2628.             fThreadUI.setData(guiFilename, fDescriptor->Label);

  2629.         }

  2630. #endif

  2631. 

  2632.         // ---------------------------------------------------------------

  2633.         // set default options

  2634. 

  2635.         pData->options = 0x0;

  2636. 

  2637.         /**/ if (fLatencyIndex >= 0 || fNeedsFixedBuffers)

  2638.             pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;

  2639.         else if (options & PLUGIN_OPTION_FIXED_BUFFERS)

  2640.             pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;

  2641. 

  2642.         /**/ if (pData->engine->getOptions().forceStereo)

  2643.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  2644.         else if (options & PLUGIN_OPTION_FORCE_STEREO)

  2645.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  2646. 

  2647.         if (fDssiDescriptor->get_program != nullptr && fDssiDescriptor->select_program != nullptr)

  2648.             pData->options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  2649. 

  2650.         if (fUsesCustomData)

  2651.             pData->options |= PLUGIN_OPTION_USE_CHUNKS;

  2652. 

  2653.         if (fDssiDescriptor->run_synth != nullptr)

  2654.         {

  2655.             pData->options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  2656.             pData->options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  2657.             pData->options |= PLUGIN_OPTION_SEND_PITCHBEND;

  2658.             pData->options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  2659. 

  2660.             if (options & PLUGIN_OPTION_SEND_CONTROL_CHANGES)

  2661.                 pData->options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  2662.         }

  2663. 

  2664.         return true;

  2665.     }

  2666. 

  2667.     // -------------------------------------------------------------------

  2668. 

  2669. private:

  2670.     LinkedList<LADSPA_Handle> fHandles;

  2671.     const LADSPA_Descriptor*  fDescriptor;

  2672.     const DSSI_Descriptor*    fDssiDescriptor;

  2673. 

  2674.     float** fAudioInBuffers;

  2675.     float** fAudioOutBuffers;

  2676.     float*  fExtraStereoBuffer[2]; // used only if forcedStereoIn and audioOut == 2

  2677.     float*  fParamBuffers;

  2678. 

  2679.     snd_seq_event_t fMidiEvents[kPluginMaxMidiEvents];

  2680. 

  2681.     int32_t fLatencyIndex; // -1 if invalid

  2682.     bool    fForcedStereoIn;

  2683.     bool    fForcedStereoOut;

  2684.     bool    fNeedsFixedBuffers;

  2685.     bool    fUsesCustomData;

  2686. 

  2687. #ifdef HAVE_LIBLO

  2688.     CarlaOscData      fOscData;

  2689.     CarlaThreadDSSIUI fThreadUI;

  2690.     const char*       fUiFilename;

  2691. #endif

  2692. 

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

  2694. 

  2695.     bool addInstance()

  2696.     {

  2697.         LADSPA_Handle handle;

  2698. 

  2699.         try {

  2700.             handle = fDescriptor->instantiate(fDescriptor, static_cast<ulong>(pData->engine->getSampleRate()));

  2701.         } CARLA_SAFE_EXCEPTION_RETURN_ERR("LADSPA instantiate", "Plugin failed to initialize");

  2702. 

  2703.         for (uint32_t i=0, count=pData->param.count; i<count; ++i)

  2704.         {

  2705.             const int32_t rindex(pData->param.data[i].rindex);

  2706.             CARLA_SAFE_ASSERT_CONTINUE(rindex >= 0);

  2707. 

  2708.             try {

  2709.                 fDescriptor->connect_port(handle, static_cast<ulong>(rindex), &fParamBuffers[i]);

  2710.             } CARLA_SAFE_EXCEPTION("LADSPA connect_port");

  2711.         }

  2712. 

  2713.         if (fHandles.append(handle))

  2714.             return true;

  2715. 

  2716.         try {

  2717.             fDescriptor->cleanup(handle);

  2718.         } CARLA_SAFE_EXCEPTION("LADSPA cleanup");

  2719. 

  2720.         pData->engine->setLastError("Out of memory");

  2721.         return false;

  2722.     }

  2723. 

  2724.     uint32_t getSafePortCount() const noexcept

  2725.     {

  2726.         if (fDescriptor->PortCount == 0)

  2727.             return 0;

  2728. 

  2729.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortDescriptors != nullptr, 0);

  2730.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortRangeHints != nullptr, 0);

  2731.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortNames != nullptr, 0);

  2732. 

  2733.         return static_cast<uint32_t>(fDescriptor->PortCount);

  2734.     }

  2735. 

  2736.     bool getSeparatedParameterNameOrUnit(const char* const paramName, char* const strBuf, const bool wantName) const noexcept

  2737.     {

  2738.         if (_getSeparatedParameterNameOrUnitImpl(paramName, strBuf, wantName, true))

  2739.             return true;

  2740.         if (_getSeparatedParameterNameOrUnitImpl(paramName, strBuf, wantName, false))

  2741.             return true;

  2742.         return false;

  2743.     }

  2744. 

  2745.     static bool _getSeparatedParameterNameOrUnitImpl(const char* const paramName, char* const strBuf,

  2746.                                                      const bool wantName, const bool useBracket) noexcept

  2747.     {

  2748.         const char* const sepBracketStart(std::strstr(paramName, useBracket ? " [" : " ("));

  2749. 

  2750.         if (sepBracketStart == nullptr)

  2751.             return false;

  2752. 

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

  2754. 

  2755.         if (sepBracketEnd == nullptr)

  2756.             return false;

  2757. 

  2758.         const std::size_t unitSize(static_cast<std::size_t>(sepBracketEnd-sepBracketStart-2));

  2759. 

  2760.         if (unitSize > 7) // very unlikely to have such big unit

  2761.             return false;

  2762. 

  2763.         const std::size_t sepIndex(std::strlen(paramName)-unitSize-3);

  2764. 

  2765.         // just in case

  2766.         if (sepIndex+2 >= STR_MAX)

  2767.             return false;

  2768. 

  2769.         if (wantName)

  2770.         {

  2771.             std::strncpy(strBuf, paramName, sepIndex);

  2772.             strBuf[sepIndex] = '\0';

  2773.         }

  2774.         else

  2775.         {

  2776.             std::strncpy(strBuf, paramName+(sepIndex+2), unitSize);

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

  2778.         }

  2779. 

  2780.         return true;

  2781.     }

  2782. 

  2783.     // -------------------------------------------------------------------

  2784. 

  2785.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaPluginDSSI)

  2786. };

  2787. 

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

  2789. 

  2790. CarlaPlugin* CarlaPlugin::newDSSI(const Initializer& init)

  2791. {

  2792.     carla_debug("CarlaPlugin::newDSSI({%p, \"%s\", \"%s\", \"%s\", " P_INT64 ", %x})",

  2793.                 init.engine, init.filename, init.name, init.label, init.uniqueId, init.options);

  2794. 

  2795.     CarlaPluginDSSI* const plugin(new CarlaPluginDSSI(init.engine, init.id));

  2796. 

  2797.     if (! plugin->init(init.filename, init.name, init.label, init.options))

  2798.     {

  2799.         delete plugin;

  2800.         return nullptr;

  2801.     }

  2802. 

  2803.     return plugin;

  2804. }

  2805. 

  2806. // -------------------------------------------------------------------------------------------------------------------

  2807. 

  2808. CARLA_BACKEND_END_NAMESPACE