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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) 2011-2015 Filipe Coelho <falktx@falktx.com>

  4.  *

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

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

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

  8.  * the License, or any later version.

  9.  *

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

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

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

  13.  * GNU General Public License for more details.

  14.  *

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

  16.  */

  17. 

  18. #include "CarlaPluginInternal.hpp"

  19. #include "CarlaEngineUtils.hpp"

  20. 

  21. #include "CarlaDssiUtils.hpp"

  22. #include "CarlaMathUtils.hpp"

  23. 

  24. #ifdef HAVE_LIBLO

  25. # include "CarlaOscUtils.hpp"

  26. # include "CarlaPipeUtils.hpp"

  27. # include "CarlaThread.hpp"

  28. #endif

  29. 

  30. using juce::ChildProcess;

  31. using juce::ScopedPointer;

  32. using juce::String;

  33. using juce::StringArray;

  34. 

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

  36.     /* check argument count */                                                                                                  \

  37.     if (argc != argcToCompare)                                                                                                  \

  38.     {                                                                                                                           \

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

  40.         return;                                                                                                                 \

  41.     }                                                                                                                           \

  42.     if (argc > 0)                                                                                                               \

  43.     {                                                                                                                           \

  44.         /* check for nullness */                                                                                                \

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

  46.         {                                                                                                                       \

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

  48.             return;                                                                                                             \

  49.         }                                                                                                                       \

  50.         /* check argument types */                                                                                              \

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

  52.         {                                                                                                                       \

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

  54.             return;                                                                                                             \

  55.         }                                                                                                                       \

  56.     }

  57. 

  58. CARLA_BACKEND_START_NAMESPACE

  59. 

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

  61. // Fallback data

  62. 

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

  64. 

  65. #ifdef HAVE_LIBLO

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

  67. 

  68. class CarlaThreadDSSIUI : public CarlaThread

  69. {

  70. public:

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

  72.         : CarlaThread("CarlaThreadDSSIUI"),

  73.           kEngine(engine),

  74.           kPlugin(plugin),

  75.           fBinary(),

  76.           fLabel(),

  77.           fOscData(oscData),

  78.           fProcess() {}

  79. 

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

  81.     {

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

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

  84.         CARLA_SAFE_ASSERT(! isThreadRunning());

  85. 

  86.         fBinary = binary;

  87.         fLabel  = label;

  88. 

  89.         if (fLabel.isEmpty())

  90.             fLabel = "\"\"";

  91.     }

  92. 

  93.     uintptr_t getProcessPID() const noexcept

  94.     {

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

  96. 

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

  98.     }

  99. 

  100.     void run()

  101.     {

  102.         if (fProcess == nullptr)

  103.         {

  104.             fProcess = new ChildProcess();

  105.         }

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

  107.         {

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

  109. 

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

  111.             fProcess->kill();

  112.             fProcess = nullptr;

  113.             return;

  114.         }

  115. 

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

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

  118. 

  119.         if (name.isEmpty())

  120.             name = "(none)";

  121. 

  122.         if (filename.isEmpty())

  123.             filename = "\"\"";

  124. 

  125.         StringArray arguments;

  126. 

  127.         // binary

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

  129. 

  130.         // osc-url

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

  132. 

  133.         // filename

  134.         arguments.add(filename);

  135. 

  136.         // label

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

  138. 

  139.         // ui-title

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

  141. 

  142.         bool started;

  143. 

  144.         {

  145. #ifdef CARLA_OS_LINUX

  146.             /*

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

  148.              * If not, unset LD_PRELOAD.

  149.              */

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

  151. 

  152.             // for CARLA_ENGINE_OPTION_FRONTEND_WIN_ID

  153.             char winIdStr[STR_MAX+1];

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

  155. 

  156.             // for LD_PRELOAD

  157.             CarlaString ldPreloadValue;

  158. 

  159.             if (winId != 0)

  160.             {

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

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

  163.             }

  164. 

  165.             const ScopedEngineEnvironmentLocker _seel(kEngine);

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

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

  168. #endif // CARLA_OS_LINUX

  169. 

  170.             // start the DSSI UI application

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

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

  173.         }

  174. 

  175.         if (! started)

  176.         {

  177.             carla_stdout("failed!");

  178.             fProcess = nullptr;

  179.             return;

  180.         }

  181. 

  182.         if (waitForOscGuiShow())

  183.         {

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

  185.                 carla_sleep(1);

  186. 

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

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

  189.             {

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

  191. 

  192.                 if (fProcess->isRunning())

  193.                 {

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

  195.                     fProcess->kill();

  196.                 }

  197.                 else

  198.                 {

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

  200.                 }

  201.             }

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

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

  204.             else

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

  206. 

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

  208.         }

  209.         else

  210.         {

  211.             fProcess->kill();

  212. 

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

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

  215.         }

  216. 

  217.         carla_stdout("DSSI UI finished");

  218.         fProcess = nullptr;

  219.     }

  220. 

  221. private:

  222.     CarlaEngine* const kEngine;

  223.     CarlaPlugin* const kPlugin;

  224. 

  225.     CarlaString fBinary;

  226.     CarlaString fLabel;

  227. 

  228.     const CarlaOscData&         fOscData;

  229.     ScopedPointer<ChildProcess> fProcess;

  230. 

  231.     bool waitForOscGuiShow()

  232.     {

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

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

  235. 

  236.         // wait for UI 'update' call

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

  238.         {

  239.             if (fOscData.target != nullptr)

  240.             {

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

  242.                 osc_send_show(fOscData);

  243.                 return true;

  244.             }

  245. 

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

  247.                 carla_msleep(100);

  248.             else

  249.                 return false;

  250.         }

  251. 

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

  253.         return false;

  254.     }

  255. 

  256.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaThreadDSSIUI)

  257. };

  258. #endif

  259. 

  260. // -----------------------------------------------------

  261. 

  262. class CarlaPluginDSSI : public CarlaPlugin

  263. {

  264. public:

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

  266.         : CarlaPlugin(engine, id),

  267.           fHandles(),

  268.           fDescriptor(nullptr),

  269.           fDssiDescriptor(nullptr),

  270.           fAudioInBuffers(nullptr),

  271.           fAudioOutBuffers(nullptr),

  272.           fExtraStereoBuffer(),

  273.           fParamBuffers(nullptr),

  274.           fLatencyIndex(-1),

  275.           fForcedStereoIn(false),

  276.           fForcedStereoOut(false),

  277.           fIsDssiVst(false),

  278.           fUsesCustomData(false)

  279. #ifdef HAVE_LIBLO

  280.         , fOscData(),

  281.           fThreadUI(engine, this, fOscData),

  282.           fUiFilename(nullptr)

  283. #endif

  284.     {

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

  286. 

  287.         carla_zeroPointers(fExtraStereoBuffer, 2);

  288.     }

  289. 

  290.     ~CarlaPluginDSSI() noexcept override

  291.     {

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

  293. 

  294. #ifdef HAVE_LIBLO

  295.         // close UI

  296.         if (pData->hints & PLUGIN_HAS_CUSTOM_UI)

  297.         {

  298.             showCustomUI(false);

  299. 

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

  301.         }

  302. #endif

  303. 

  304.         pData->singleMutex.lock();

  305.         pData->masterMutex.lock();

  306. 

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

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

  309. 

  310.         if (pData->active)

  311.         {

  312.             deactivate();

  313.             pData->active = false;

  314.         }

  315. 

  316.         if (fDescriptor != nullptr)

  317.         {

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

  319.             {

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

  321.                 {

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

  323.                     CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  324. 

  325.                     try {

  326.                         fDescriptor->cleanup(handle);

  327.                     } CARLA_SAFE_EXCEPTION("LADSPA cleanup");

  328.                 }

  329.             }

  330. 

  331.             fHandles.clear();

  332.             fDescriptor = nullptr;

  333.             fDssiDescriptor = nullptr;

  334.         }

  335. 

  336. #ifdef HAVE_LIBLO

  337.         if (fUiFilename != nullptr)

  338.         {

  339.             delete[] fUiFilename;

  340.             fUiFilename = nullptr;

  341.         }

  342. #endif

  343. 

  344.         clearBuffers();

  345.     }

  346. 

  347.     // -------------------------------------------------------------------

  348.     // Information (base)

  349. 

  350.     PluginType getType() const noexcept override

  351.     {

  352.         return PLUGIN_DSSI;

  353.     }

  354. 

  355.     PluginCategory getCategory() const noexcept override

  356.     {

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

  358. 

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

  360.             return PLUGIN_CATEGORY_SYNTH;

  361. 

  362.         return CarlaPlugin::getCategory();

  363.     }

  364. 

  365.     int64_t getUniqueId() const noexcept override

  366.     {

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

  368. 

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

  370.     }

  371. 

  372.     // -------------------------------------------------------------------

  373.     // Information (count)

  374. 

  375.     // nothing

  376. 

  377.     // -------------------------------------------------------------------

  378.     // Information (current data)

  379. 

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

  381.     {

  382.         CARLA_SAFE_ASSERT_RETURN(fUsesCustomData, 0);

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

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

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

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

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

  388. 

  389.         *dataPtr = nullptr;

  390. 

  391.         int ret = 0;

  392.         ulong dataSize = 0;

  393. 

  394.         try {

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

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

  397. 

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

  399.     }

  400. 

  401.     // -------------------------------------------------------------------

  402.     // Information (per-plugin data)

  403. 

  404.     uint getOptionsAvailable() const noexcept override

  405.     {

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

  407. 

  408.         uint options = 0x0;

  409. 

  410.         if (! fIsDssiVst)

  411.         {

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

  413.             if (fLatencyIndex == -1)

  414.                 options |= PLUGIN_OPTION_FIXED_BUFFERS;

  415. 

  416.             // can't disable forced stereo if in rack mode

  417.             if (pData->engine->getProccessMode() == ENGINE_PROCESS_MODE_CONTINUOUS_RACK)

  418.                 pass();

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

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

  421.                 options |= PLUGIN_OPTION_FORCE_STEREO;

  422.         }

  423. 

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

  425.             options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  426. 

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

  428.         {

  429.             options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  430.             options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  431.             options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  432.             options |= PLUGIN_OPTION_SEND_PITCHBEND;

  433.             options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  434.         }

  435. 

  436.         if (fUsesCustomData)

  437.             options |= PLUGIN_OPTION_USE_CHUNKS;

  438. 

  439.         return options;

  440.     }

  441. 

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

  443.     {

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

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

  446. 

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

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

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

  450. 

  451.         // not output, should be fine

  452.         return fParamBuffers[parameterId];

  453.     }

  454. 

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

  456.     {

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

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

  459. 

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

  461.     }

  462. 

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

  464.     {

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

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

  467. 

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

  469.     }

  470. 

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

  472.     {

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

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

  475. 

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

  477.     }

  478. 

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

  480.     {

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

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

  483. 

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

  485.     }

  486. 

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

  488.     {

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

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

  491. 

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

  493. 

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

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

  496. 

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

  498.             return;

  499. 

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

  501.     }

  502. 

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

  504.     {

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

  506. 

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

  508. 

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

  510. 

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

  512.             return;

  513. 

  514.         nullStrBuf(strBuf);

  515.     }

  516. 

  517.     // -------------------------------------------------------------------

  518.     // Set data (state)

  519. 

  520.     // nothing

  521. 

  522.     // -------------------------------------------------------------------

  523.     // Set data (internal stuff)

  524. 

  525.     void setId(const uint newId) noexcept override

  526.     {

  527.         CarlaPlugin::setId(newId);

  528. 

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

  530.         // FIXME - must be RT safe

  531.         showCustomUI(false);

  532.     }

  533. 

  534.     // -------------------------------------------------------------------

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

  536. 

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

  538.     {

  539.         CARLA_SAFE_ASSERT_RETURN(fParamBuffers != nullptr,);

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

  541. 

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

  543.         fParamBuffers[parameterId] = fixedValue;

  544. 

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

  546.     }

  547. 

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

  549.     {

  550.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

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

  553.         CARLA_SAFE_ASSERT_RETURN(value != nullptr,);

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

  555. 

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

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

  558. 

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

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

  561. 

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

  563.         {

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

  565.             {

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

  567.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  568. 

  569.                 try {

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

  571.                 } catch(...) {}

  572.             }

  573.         }

  574. 

  575. #ifdef HAVE_LIBLO

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

  577.             osc_send_configure(fOscData, key, value);

  578. #endif

  579. 

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

  581.         {

  582.             const ScopedSingleProcessLocker spl(this, true);

  583.             reloadPrograms(false);

  584.         }

  585. 

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

  587.     }

  588. 

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

  590.     {

  591.         CARLA_SAFE_ASSERT_RETURN(fUsesCustomData,);

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

  593.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

  595.         CARLA_SAFE_ASSERT_RETURN(data != nullptr,);

  596.         CARLA_SAFE_ASSERT_RETURN(dataSize > 0,);

  597. 

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

  599.         {

  600.             const ScopedSingleProcessLocker spl(this, true);

  601. 

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

  603.             {

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

  605.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  606. 

  607.                 try {

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

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

  610.             }

  611.         }

  612. 

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

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

  615. #else

  616.         const bool sendOsc(false);

  617. #endif

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

  619.     }

  620. 

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

  622.     {

  623.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

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

  626. 

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

  628.         {

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

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

  631. 

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

  633. 

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

  635.             {

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

  637.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  638. 

  639.                 try {

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

  641.                 } catch(...) {}

  642.             }

  643.         }

  644. 

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

  646.     }

  647. 

  648. #ifdef HAVE_LIBLO

  649.     // -------------------------------------------------------------------

  650.     // Set ui stuff

  651. 

  652.     void showCustomUI(const bool yesNo) override

  653.     {

  654.         if (yesNo)

  655.         {

  656.             fOscData.clear();

  657.             fThreadUI.startThread();

  658.         }

  659.         else

  660.         {

  661.             pData->transientTryCounter = 0;

  662. 

  663.             if (fOscData.target != nullptr)

  664.             {

  665.                 osc_send_hide(fOscData);

  666.                 osc_send_quit(fOscData);

  667.                 fOscData.clear();

  668.             }

  669. 

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

  671.         }

  672.     }

  673. #endif

  674. 

  675. #if 0 // TODO

  676.     void idle() override

  677.     {

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

  679.         {

  680.             fLatencyChanged = false;

  681. 

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

  683. 

  684.             if (latency >= 0)

  685.             {

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

  687. 

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

  689.                 {

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

  691. 

  692.                     const ScopedSingleProcessLocker sspl(this, true);

  693. 

  694.                     pData->latency = ulatency;

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

  696. #ifndef BUILD_BRIDGE

  697.                     pData->recreateLatencyBuffers();

  698. #endif

  699.                 }

  700.             }

  701.             else

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

  703.         }

  704. 

  705.         CarlaPlugin::idle();

  706.     }

  707. #endif

  708. 

  709.     // -------------------------------------------------------------------

  710.     // Plugin state

  711. 

  712.     void reload() override

  713.     {

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

  715.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  716.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

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

  719. 

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

  721. 

  722.         // Safely disable plugin for reload

  723.         const ScopedDisabler sd(this);

  724. 

  725.         if (pData->active)

  726.             deactivate();

  727. 

  728.         clearBuffers();

  729. 

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

  731.         const uint32_t portCount(getSafePortCount());

  732. 

  733.         uint32_t aIns, aOuts, mIns, params;

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

  735. 

  736.         bool forcedStereoIn, forcedStereoOut;

  737.         forcedStereoIn = forcedStereoOut = false;

  738. 

  739.         bool needsCtrlIn, needsCtrlOut;

  740.         needsCtrlIn = needsCtrlOut = false;

  741. 

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

  743.         {

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

  745. 

  746.             if (LADSPA_IS_PORT_AUDIO(portType))

  747.             {

  748.                 if (LADSPA_IS_PORT_INPUT(portType))

  749.                     aIns += 1;

  750.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  751.                     aOuts += 1;

  752.             }

  753.             else if (LADSPA_IS_PORT_CONTROL(portType))

  754.                 params += 1;

  755.         }

  756. 

  757.         if (pData->options & PLUGIN_OPTION_FORCE_STEREO)

  758.         {

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

  760.             {

  761.                 if (aIns == 1)

  762.                 {

  763.                     aIns = 2;

  764.                     forcedStereoIn = true;

  765.                 }

  766.                 if (aOuts == 1)

  767.                 {

  768.                     aOuts = 2;

  769.                     forcedStereoOut = true;

  770.                 }

  771.             }

  772.         }

  773. 

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

  775.         {

  776.             mIns = 1;

  777.             needsCtrlIn = true;

  778.         }

  779. 

  780.         if (aIns > 0)

  781.         {

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

  783.             fAudioInBuffers = new float*[aIns];

  784. 

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

  786.                 fAudioInBuffers[i] = nullptr;

  787.         }

  788. 

  789.         if (aOuts > 0)

  790.         {

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

  792.             fAudioOutBuffers = new float*[aOuts];

  793.             needsCtrlIn = true;

  794. 

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

  796.                 fAudioOutBuffers[i] = nullptr;

  797.         }

  798. 

  799.         if (params > 0)

  800.         {

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

  802. 

  803.             fParamBuffers = new float[params];

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

  805.         }

  806. 

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

  808.         CarlaString portName;

  809. 

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

  811.         {

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

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

  814. 

  815.             if (LADSPA_IS_PORT_AUDIO(portType))

  816.             {

  817.                 portName.clear();

  818. 

  819.                 if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  820.                 {

  821.                     portName  = pData->name;

  822.                     portName += ":";

  823.                 }

  824. 

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

  826.                 {

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

  828.                 }

  829.                 else

  830.                 {

  831.                     if (LADSPA_IS_PORT_INPUT(portType))

  832.                     {

  833.                         if (aIns > 1)

  834.                         {

  835.                             portName += "audio-in_";

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

  837.                         }

  838.                         else

  839.                             portName += "audio-in";

  840.                     }

  841.                     else

  842.                     {

  843.                         if (aOuts > 1)

  844.                         {

  845.                             portName += "audio-out_";

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

  847.                         }

  848.                         else

  849.                             portName += "audio-out";

  850.                     }

  851.                 }

  852. 

  853.                 portName.truncate(portNameSize);

  854. 

  855.                 if (LADSPA_IS_PORT_INPUT(portType))

  856.                 {

  857.                     const uint32_t j = iAudioIn++;

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

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

  860. 

  861.                     if (forcedStereoIn)

  862.                     {

  863.                         portName += "_2";

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

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

  866.                     }

  867.                 }

  868.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  869.                 {

  870.                     const uint32_t j = iAudioOut++;

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

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

  873. 

  874.                     if (forcedStereoOut)

  875.                     {

  876.                         portName += "_2";

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

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

  879.                     }

  880.                 }

  881.                 else

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

  883.             }

  884.             else if (LADSPA_IS_PORT_CONTROL(portType))

  885.             {

  886.                 const uint32_t j = iCtrl++;

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

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

  889. 

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

  891. 

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

  893. 

  894.                 // min value

  895.                 if (LADSPA_IS_HINT_BOUNDED_BELOW(portRangeHints.HintDescriptor))

  896.                     min = portRangeHints.LowerBound;

  897.                 else

  898.                     min = 0.0f;

  899. 

  900.                 // max value

  901.                 if (LADSPA_IS_HINT_BOUNDED_ABOVE(portRangeHints.HintDescriptor))

  902.                     max = portRangeHints.UpperBound;

  903.                 else

  904.                     max = 1.0f;

  905. 

  906.                 if (LADSPA_IS_HINT_SAMPLE_RATE(portRangeHints.HintDescriptor))

  907.                 {

  908.                     min *= sampleRate;

  909.                     max *= sampleRate;

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

  911.                 }

  912. 

  913.                 if (min >= max)

  914.                 {

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

  916.                     max = min + 0.1f;

  917.                 }

  918. 

  919.                 // default value

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

  921. 

  922.                 if (def < min)

  923.                     def = min;

  924.                 else if (def > max)

  925.                     def = max;

  926. 

  927.                 if (LADSPA_IS_HINT_TOGGLED(portRangeHints.HintDescriptor))

  928.                 {

  929.                     step = max - min;

  930.                     stepSmall = step;

  931.                     stepLarge = step;

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

  933.                 }

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

  935.                 {

  936.                     step = 1.0f;

  937.                     stepSmall = 1.0f;

  938.                     stepLarge = 10.0f;

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

  940.                 }

  941.                 else

  942.                 {

  943.                     const float range = max - min;

  944.                     step = range/100.0f;

  945.                     stepSmall = range/1000.0f;

  946.                     stepLarge = range/10.0f;

  947.                 }

  948. 

  949.                 if (LADSPA_IS_PORT_INPUT(portType))

  950.                 {

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

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

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

  954.                     needsCtrlIn = true;

  955. 

  956.                     // MIDI CC value

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

  958.                     {

  959.                         int controller = fDssiDescriptor->get_midi_controller_for_port(fHandles.getFirst(nullptr), i);

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

  961.                         {

  962.                             int16_t cc = DSSI_CC_NUMBER(controller);

  963.                             if (! MIDI_IS_CONTROL_BANK_SELECT(cc))

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

  965.                         }

  966.                     }

  967.                 }

  968.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  969.                 {

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

  971. 

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

  973.                     {

  974.                         min = 0.0f;

  975.                         max = sampleRate;

  976.                         def = 0.0f;

  977.                         step = 1.0f;

  978.                         stepSmall = 1.0f;

  979.                         stepLarge = 1.0f;

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

  981.                         CARLA_SAFE_ASSERT(fLatencyIndex == -1);

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

  983.                     }

  984.                     else

  985.                     {

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

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

  988.                         needsCtrlOut = true;

  989.                     }

  990.                 }

  991.                 else

  992.                 {

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

  994.                 }

  995. 

  996.                 // extra parameter hints

  997.                 if (LADSPA_IS_HINT_LOGARITHMIC(portRangeHints.HintDescriptor))

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

  999. 

  1000.                 pData->param.ranges[j].min = min;

  1001.                 pData->param.ranges[j].max = max;

  1002.                 pData->param.ranges[j].def = def;

  1003.                 pData->param.ranges[j].step = step;

  1004.                 pData->param.ranges[j].stepSmall = stepSmall;

  1005.                 pData->param.ranges[j].stepLarge = stepLarge;

  1006. 

  1007.                 // Start parameters in their default values

  1008.                 fParamBuffers[j] = def;

  1009. 

  1010.                 for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  1011.                 {

  1012.                     LADSPA_Handle const handle(it.getValue(nullptr));

  1013.                     CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1014. 

  1015.                     try {

  1016.                         fDescriptor->connect_port(handle, i, &fParamBuffers[j]);

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

  1018.                 }

  1019.             }

  1020.             else

  1021.             {

  1022.                 // Not Audio or Control

  1023.                 carla_stderr2("ERROR - Got a broken Port (neither Audio or Control)");

  1024. 

  1025.                 for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  1026.                 {

  1027.                     LADSPA_Handle const handle(it.getValue(nullptr));

  1028.                     CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1029. 

  1030.                     try {

  1031.                         fDescriptor->connect_port(handle, i, nullptr);

  1032.                     } CARLA_SAFE_EXCEPTION("DSSI connect_port (null)");

  1033.                 }

  1034.             }

  1035.         }

  1036. 

  1037.         if (needsCtrlIn)

  1038.         {

  1039.             portName.clear();

  1040. 

  1041.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1042.             {

  1043.                 portName  = pData->name;

  1044.                 portName += ":";

  1045.             }

  1046. 

  1047.             portName += "events-in";

  1048.             portName.truncate(portNameSize);

  1049. 

  1050.             pData->event.portIn = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, true, 0);

  1051.         }

  1052. 

  1053.         if (needsCtrlOut)

  1054.         {

  1055.             portName.clear();

  1056. 

  1057.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1058.             {

  1059.                 portName  = pData->name;

  1060.                 portName += ":";

  1061.             }

  1062. 

  1063.             portName += "events-out";

  1064.             portName.truncate(portNameSize);

  1065. 

  1066.             pData->event.portOut = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, false, 0);

  1067.         }

  1068. 

  1069.         if (forcedStereoIn || forcedStereoOut)

  1070.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  1071.         else

  1072.             pData->options &= ~PLUGIN_OPTION_FORCE_STEREO;

  1073. 

  1074.         // plugin hints

  1075.         pData->hints = 0x0;

  1076. 

  1077.         if (LADSPA_IS_HARD_RT_CAPABLE(fDescriptor->Properties))

  1078.             pData->hints |= PLUGIN_IS_RTSAFE;

  1079. 

  1080. #ifdef HAVE_LIBLO

  1081.         if (fUiFilename != nullptr)

  1082.             pData->hints |= PLUGIN_HAS_CUSTOM_UI;

  1083. #endif

  1084. 

  1085. #ifndef BUILD_BRIDGE

  1086.         if (aOuts > 0 && (aIns == aOuts || aIns == 1))

  1087.             pData->hints |= PLUGIN_CAN_DRYWET;

  1088. 

  1089.         if (aOuts > 0)

  1090.             pData->hints |= PLUGIN_CAN_VOLUME;

  1091. 

  1092.         if (aOuts >= 2 && aOuts % 2 == 0)

  1093.             pData->hints |= PLUGIN_CAN_BALANCE;

  1094. #endif

  1095. 

  1096.         // extra plugin hints

  1097.         pData->extraHints = 0x0;

  1098. 

  1099.         if (mIns > 0)

  1100.             pData->extraHints |= PLUGIN_EXTRA_HINT_HAS_MIDI_IN;

  1101. 

  1102.         if (aIns <= 2 && aOuts <= 2 && (aIns == aOuts || aIns == 0 || aOuts == 0))

  1103.             pData->extraHints |= PLUGIN_EXTRA_HINT_CAN_RUN_RACK;

  1104. 

  1105. #if 0 // TODO

  1106.         // check latency

  1107.         if (fLatencyIndex >= 0)

  1108.         {

  1109.             // we need to pre-run the plugin so it can update its latency control-port

  1110. 

  1111.             float tmpIn [(aIns > 0)  ? aIns  : 1][2];

  1112.             float tmpOut[(aOuts > 0) ? aOuts : 1][2];

  1113. 

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

  1115.             {

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

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

  1118. 

  1119.                 try {

  1120.                     fDescriptor->connect_port(fHandle, pData->audioIn.ports[j].rindex, tmpIn[j]);

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

  1122.             }

  1123. 

  1124.             for (uint32_t j=0; j < aOuts; ++j)

  1125.             {

  1126.                 tmpOut[j][0] = 0.0f;

  1127.                 tmpOut[j][1] = 0.0f;

  1128. 

  1129.                 try {

  1130.                     fDescriptor->connect_port(fHandle, pData->audioOut.ports[j].rindex, tmpOut[j]);

  1131.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port latency output");

  1132.             }

  1133. 

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

  1135.             {

  1136.                 try {

  1137.                     fDescriptor->activate(fHandle);

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

  1139.             }

  1140. 

  1141.             try {

  1142.                 fDescriptor->run(fHandle, 2);

  1143.             } CARLA_SAFE_EXCEPTION("DSSI latency run");

  1144. 

  1145.             if (fDescriptor->deactivate != nullptr)

  1146.             {

  1147.                 try {

  1148.                     fDescriptor->deactivate(fHandle);

  1149.                 } CARLA_SAFE_EXCEPTION("DSSI latency deactivate");

  1150.             }

  1151. 

  1152.             const int32_t latency(static_cast<int32_t>(fParamBuffers[fLatencyIndex]));

  1153. 

  1154.             if (latency >= 0)

  1155.             {

  1156.                 const uint32_t ulatency(static_cast<uint32_t>(latency));

  1157. 

  1158.                 if (pData->latency != ulatency)

  1159.                 {

  1160.                     carla_stdout("latency = %i", latency);

  1161. 

  1162.                     pData->latency = ulatency;

  1163.                     pData->client->setLatency(ulatency);

  1164. #ifndef BUILD_BRIDGE

  1165.                     pData->recreateLatencyBuffers();

  1166. #endif

  1167.                 }

  1168.             }

  1169.             else

  1170.                 carla_safe_assert_int("latency >= 0", __FILE__, __LINE__, latency);

  1171. 

  1172.             fLatencyChanged = false;

  1173.         }

  1174. #endif

  1175. 

  1176.         bufferSizeChanged(pData->engine->getBufferSize());

  1177.         reloadPrograms(true);

  1178. 

  1179.         if (pData->active)

  1180.             activate();

  1181. 

  1182.         carla_debug("CarlaPluginDSSI::reload() - end");

  1183.     }

  1184. 

  1185.     void reloadPrograms(const bool doInit) override

  1186.     {

  1187.         carla_debug("CarlaPluginDSSI::reloadPrograms(%s)", bool2str(doInit));

  1188. 

  1189.         const LADSPA_Handle handle(fHandles.getFirst(nullptr));

  1190.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr,);

  1191. 

  1192.         const uint32_t oldCount = pData->midiprog.count;

  1193.         const int32_t  current  = pData->midiprog.current;

  1194. 

  1195.         // Delete old programs

  1196.         pData->midiprog.clear();

  1197. 

  1198.         // Query new programs

  1199.         uint32_t newCount = 0;

  1200.         if (fDssiDescriptor->get_program != nullptr && fDssiDescriptor->select_program != nullptr)

  1201.         {

  1202.             for (; fDssiDescriptor->get_program(handle, newCount) != nullptr;)

  1203.                 ++newCount;

  1204.         }

  1205. 

  1206.         if (newCount > 0)

  1207.         {

  1208.             pData->midiprog.createNew(newCount);

  1209. 

  1210.             // Update data

  1211.             for (uint32_t i=0; i < newCount; ++i)

  1212.             {

  1213.                 const DSSI_Program_Descriptor* const pdesc(fDssiDescriptor->get_program(handle, i));

  1214.                 CARLA_SAFE_ASSERT_CONTINUE(pdesc != nullptr);

  1215.                 CARLA_SAFE_ASSERT(pdesc->Name != nullptr);

  1216. 

  1217.                 pData->midiprog.data[i].bank    = static_cast<uint32_t>(pdesc->Bank);

  1218.                 pData->midiprog.data[i].program = static_cast<uint32_t>(pdesc->Program);

  1219.                 pData->midiprog.data[i].name    = carla_strdup(pdesc->Name);

  1220.             }

  1221.         }

  1222. 

  1223. #if defined(HAVE_LIBLO) && ! defined(BUILD_BRIDGE)

  1224.         // Update OSC Names

  1225.         if (pData->engine->isOscControlRegistered() && pData->id < pData->engine->getCurrentPluginCount())

  1226.         {

  1227.             pData->engine->oscSend_control_set_midi_program_count(pData->id, newCount);

  1228. 

  1229.             for (uint32_t i=0; i < newCount; ++i)

  1230.                 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);

  1231.         }

  1232. #endif

  1233. 

  1234.         if (doInit)

  1235.         {

  1236.             if (newCount > 0)

  1237.                 setMidiProgram(0, false, false, false);

  1238.         }

  1239.         else

  1240.         {

  1241.             // Check if current program is invalid

  1242.             bool programChanged = false;

  1243. 

  1244.             if (newCount == oldCount+1)

  1245.             {

  1246.                 // one midi program added, probably created by user

  1247.                 pData->midiprog.current = static_cast<int32_t>(oldCount);

  1248.                 programChanged = true;

  1249.             }

  1250.             else if (current < 0 && newCount > 0)

  1251.             {

  1252.                 // programs exist now, but not before

  1253.                 pData->midiprog.current = 0;

  1254.                 programChanged = true;

  1255.             }

  1256.             else if (current >= 0 && newCount == 0)

  1257.             {

  1258.                 // programs existed before, but not anymore

  1259.                 pData->midiprog.current = -1;

  1260.                 programChanged = true;

  1261.             }

  1262.             else if (current >= static_cast<int32_t>(newCount))

  1263.             {

  1264.                 // current midi program > count

  1265.                 pData->midiprog.current = 0;

  1266.                 programChanged = true;

  1267.             }

  1268.             else

  1269.             {

  1270.                 // no change

  1271.                 pData->midiprog.current = current;

  1272.             }

  1273. 

  1274.             if (programChanged)

  1275.                 setMidiProgram(pData->midiprog.current, true, true, true);

  1276. 

  1277.             pData->engine->callback(ENGINE_CALLBACK_RELOAD_PROGRAMS, pData->id, 0, 0, 0.0f, nullptr);

  1278.         }

  1279.     }

  1280. 

  1281.     // -------------------------------------------------------------------

  1282.     // Plugin processing

  1283. 

  1284.     void activate() noexcept override

  1285.     {

  1286.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1287. 

  1288.         if (fDescriptor->activate != nullptr)

  1289.         {

  1290.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  1291.             {

  1292.                 LADSPA_Handle const handle(it.getValue(nullptr));

  1293.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1294. 

  1295.                 try {

  1296.                     fDescriptor->activate(handle);

  1297.                 } CARLA_SAFE_EXCEPTION("DSSI activate");

  1298.             }

  1299.         }

  1300.     }

  1301. 

  1302.     void deactivate() noexcept override

  1303.     {

  1304.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1305. 

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

  1307.         {

  1308.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  1309.             {

  1310.                 LADSPA_Handle const handle(it.getValue(nullptr));

  1311.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1312. 

  1313.                 try {

  1314.                     fDescriptor->deactivate(handle);

  1315.                 } CARLA_SAFE_EXCEPTION("DSSI deactivate");

  1316.             }

  1317.         }

  1318.     }

  1319. 

  1320.     void process(const float** const audioIn, float** const audioOut, const float** const, float** const, const uint32_t frames) override

  1321.     {

  1322.         // --------------------------------------------------------------------------------------------------------

  1323.         // Check if active

  1324. 

  1325.         if (! pData->active)

  1326.         {

  1327.             // disable any output sound

  1328.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1329.                 FloatVectorOperations::clear(audioOut[i], static_cast<int>(frames));

  1330.             return;

  1331.         }

  1332. 

  1333.         ulong midiEventCount = 0;

  1334.         carla_zeroStructs(fMidiEvents, kPluginMaxMidiEvents);

  1335. 

  1336.         // --------------------------------------------------------------------------------------------------------

  1337.         // Check if needs reset

  1338. 

  1339.         if (pData->needsReset)

  1340.         {

  1341.             if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1342.             {

  1343.                 midiEventCount = MAX_MIDI_CHANNELS*2;

  1344. 

  1345.                 for (uchar i=0, k=MAX_MIDI_CHANNELS; i < MAX_MIDI_CHANNELS; ++i)

  1346.                 {

  1347.                     fMidiEvents[i].type = SND_SEQ_EVENT_CONTROLLER;

  1348.                     fMidiEvents[i].data.control.channel = i;

  1349.                     fMidiEvents[i].data.control.param   = MIDI_CONTROL_ALL_NOTES_OFF;

  1350. 

  1351.                     fMidiEvents[k+i].type = SND_SEQ_EVENT_CONTROLLER;

  1352.                     fMidiEvents[k+i].data.control.channel = i;

  1353.                     fMidiEvents[k+i].data.control.param   = MIDI_CONTROL_ALL_SOUND_OFF;

  1354.                 }

  1355.             }

  1356.             else if (pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1357.             {

  1358.                 midiEventCount = MAX_MIDI_NOTE;

  1359. 

  1360.                 for (uchar i=0; i < MAX_MIDI_NOTE; ++i)

  1361.                 {

  1362.                     fMidiEvents[i].type = SND_SEQ_EVENT_NOTEOFF;

  1363.                     fMidiEvents[i].data.note.channel = static_cast<uchar>(pData->ctrlChannel);

  1364.                     fMidiEvents[i].data.note.note    = i;

  1365.                 }

  1366.             }

  1367. 

  1368. #ifndef BUILD_BRIDGE

  1369. #if 0 // TODO

  1370.             if (pData->latency > 0)

  1371.             {

  1372.                 for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1373.                     FloatVectorOperations::clear(pData->latencyBuffers[i], static_cast<int>(pData->latency));

  1374.             }

  1375. #endif

  1376. #endif

  1377. 

  1378.             pData->needsReset = false;

  1379.         }

  1380. 

  1381.         // --------------------------------------------------------------------------------------------------------

  1382.         // Event Input and Processing

  1383. 

  1384.         if (pData->event.portIn != nullptr)

  1385.         {

  1386.             // ----------------------------------------------------------------------------------------------------

  1387.             // MIDI Input (External)

  1388. 

  1389.             if (pData->extNotes.mutex.tryLock())

  1390.             {

  1391.                 ExternalMidiNote note = { 0, 0, 0 };

  1392. 

  1393.                 for (; midiEventCount < kPluginMaxMidiEvents && ! pData->extNotes.data.isEmpty();)

  1394.                 {

  1395.                     note = pData->extNotes.data.getFirst(note, true);

  1396. 

  1397.                     CARLA_SAFE_ASSERT_CONTINUE(note.channel >= 0 && note.channel < MAX_MIDI_CHANNELS);

  1398. 

  1399.                     snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1400. 

  1401.                     seqEvent.type               = (note.velo > 0) ? SND_SEQ_EVENT_NOTEON : SND_SEQ_EVENT_NOTEOFF;

  1402.                     seqEvent.data.note.channel  = static_cast<uchar>(note.channel);

  1403.                     seqEvent.data.note.note     = note.note;

  1404.                     seqEvent.data.note.velocity = note.velo;

  1405.                 }

  1406. 

  1407.                 pData->extNotes.mutex.unlock();

  1408. 

  1409.             } // End of MIDI Input (External)

  1410. 

  1411.             // ----------------------------------------------------------------------------------------------------

  1412.             // Event Input (System)

  1413. 

  1414. #ifndef BUILD_BRIDGE

  1415.             bool       allNotesOffSent  = false;

  1416. #endif

  1417.             const bool isSampleAccurate = (pData->options & PLUGIN_OPTION_FIXED_BUFFERS) == 0;

  1418. 

  1419.             uint32_t startTime  = 0;

  1420.             uint32_t timeOffset = 0;

  1421.             uint32_t nextBankId;

  1422. 

  1423.             if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1424.                 nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1425.             else

  1426.                 nextBankId = 0;

  1427. 

  1428.             for (uint32_t i=0, numEvents=pData->event.portIn->getEventCount(); i < numEvents; ++i)

  1429.             {

  1430.                 const EngineEvent& event(pData->event.portIn->getEvent(i));

  1431. 

  1432.                 if (event.time >= frames)

  1433.                     continue;

  1434. 

  1435.                 CARLA_ASSERT_INT2(event.time >= timeOffset, event.time, timeOffset);

  1436. 

  1437.                 if (isSampleAccurate && event.time > timeOffset)

  1438.                 {

  1439.                     if (processSingle(audioIn, audioOut, event.time - timeOffset, timeOffset, midiEventCount))

  1440.                     {

  1441.                         startTime  = 0;

  1442.                         timeOffset = event.time;

  1443.                         midiEventCount = 0;

  1444. 

  1445.                         if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1446.                             nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1447.                         else

  1448.                             nextBankId = 0;

  1449.                     }

  1450.                     else

  1451.                         startTime += timeOffset;

  1452.                 }

  1453. 

  1454.                 switch (event.type)

  1455.                 {

  1456.                 case kEngineEventTypeNull:

  1457.                     break;

  1458. 

  1459.                 case kEngineEventTypeControl: {

  1460.                     const EngineControlEvent& ctrlEvent(event.ctrl);

  1461. 

  1462.                     switch (ctrlEvent.type)

  1463.                     {

  1464.                     case kEngineControlEventTypeNull:

  1465.                         break;

  1466. 

  1467.                     case kEngineControlEventTypeParameter: {

  1468. #ifndef BUILD_BRIDGE

  1469.                         // Control backend stuff

  1470.                         if (event.channel == pData->ctrlChannel)

  1471.                         {

  1472.                             float value;

  1473. 

  1474.                             if (MIDI_IS_CONTROL_BREATH_CONTROLLER(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_DRYWET) != 0)

  1475.                             {

  1476.                                 value = ctrlEvent.value;

  1477.                                 setDryWet(value, false, false);

  1478.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_DRYWET, 0, value);

  1479.                                 break;

  1480.                             }

  1481. 

  1482.                             if (MIDI_IS_CONTROL_CHANNEL_VOLUME(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_VOLUME) != 0)

  1483.                             {

  1484.                                 value = ctrlEvent.value*127.0f/100.0f;

  1485.                                 setVolume(value, false, false);

  1486.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_VOLUME, 0, value);

  1487.                                 break;

  1488.                             }

  1489. 

  1490.                             if (MIDI_IS_CONTROL_BALANCE(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_BALANCE) != 0)

  1491.                             {

  1492.                                 float left, right;

  1493.                                 value = ctrlEvent.value/0.5f - 1.0f;

  1494. 

  1495.                                 if (value < 0.0f)

  1496.                                 {

  1497.                                     left  = -1.0f;

  1498.                                     right = (value*2.0f)+1.0f;

  1499.                                 }

  1500.                                 else if (value > 0.0f)

  1501.                                 {

  1502.                                     left  = (value*2.0f)-1.0f;

  1503.                                     right = 1.0f;

  1504.                                 }

  1505.                                 else

  1506.                                 {

  1507.                                     left  = -1.0f;

  1508.                                     right = 1.0f;

  1509.                                 }

  1510. 

  1511.                                 setBalanceLeft(left, false, false);

  1512.                                 setBalanceRight(right, false, false);

  1513.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_LEFT, 0, left);

  1514.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_RIGHT, 0, right);

  1515.                                 break;

  1516.                             }

  1517.                         }

  1518. #endif

  1519.                         // Control plugin parameters

  1520.                         uint32_t k;

  1521.                         for (k=0; k < pData->param.count; ++k)

  1522.                         {

  1523.                             if (pData->param.data[k].midiChannel != event.channel)

  1524.                                 continue;

  1525.                             if (pData->param.data[k].midiCC != ctrlEvent.param)

  1526.                                 continue;

  1527.                             if (pData->param.data[k].type != PARAMETER_INPUT)

  1528.                                 continue;

  1529.                             if ((pData->param.data[k].hints & PARAMETER_IS_AUTOMABLE) == 0)

  1530.                                 continue;

  1531. 

  1532.                             float value;

  1533. 

  1534.                             if (pData->param.data[k].hints & PARAMETER_IS_BOOLEAN)

  1535.                             {

  1536.                                 value = (ctrlEvent.value < 0.5f) ? pData->param.ranges[k].min : pData->param.ranges[k].max;

  1537.                             }

  1538.                             else

  1539.                             {

  1540.                                 value = pData->param.ranges[k].getUnnormalizedValue(ctrlEvent.value);

  1541. 

  1542.                                 if (pData->param.data[k].hints & PARAMETER_IS_INTEGER)

  1543.                                     value = std::rint(value);

  1544.                             }

  1545. 

  1546.                             setParameterValue(k, value, false, false, false);

  1547.                             pData->postponeRtEvent(kPluginPostRtEventParameterChange, static_cast<int32_t>(k), 0, value);

  1548.                             break;

  1549.                         }

  1550. 

  1551.                         // check if event is already handled

  1552.                         if (k != pData->param.count)

  1553.                             break;

  1554. 

  1555.                         if ((pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0 && ctrlEvent.param < MAX_MIDI_CONTROL)

  1556.                         {

  1557.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1558.                                 continue;

  1559. 

  1560.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1561. 

  1562.                             seqEvent.time.tick = isSampleAccurate ? startTime : event.time;

  1563. 

  1564.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1565.                             seqEvent.data.control.channel = event.channel;

  1566.                             seqEvent.data.control.param   = ctrlEvent.param;

  1567.                             seqEvent.data.control.value   = int8_t(ctrlEvent.value*127.0f);

  1568.                         }

  1569.                         break;

  1570.                     } // case kEngineControlEventTypeParameter

  1571. 

  1572.                     case kEngineControlEventTypeMidiBank:

  1573.                         if (event.channel == pData->ctrlChannel && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1574.                             nextBankId = ctrlEvent.param;

  1575.                         break;

  1576. 

  1577.                     case kEngineControlEventTypeMidiProgram:

  1578.                         if (event.channel == pData->ctrlChannel && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1579.                         {

  1580.                             const uint32_t nextProgramId = ctrlEvent.param;

  1581. 

  1582.                             for (uint32_t k=0; k < pData->midiprog.count; ++k)

  1583.                             {

  1584.                                 if (pData->midiprog.data[k].bank == nextBankId && pData->midiprog.data[k].program == nextProgramId)

  1585.                                 {

  1586.                                     const int32_t index(static_cast<int32_t>(k));

  1587.                                     setMidiProgram(index, false, false, false);

  1588.                                     pData->postponeRtEvent(kPluginPostRtEventMidiProgramChange, index, 0, 0.0f);

  1589.                                     break;

  1590.                                 }

  1591.                             }

  1592.                         }

  1593.                         break;

  1594. 

  1595.                     case kEngineControlEventTypeAllSoundOff:

  1596.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1597.                         {

  1598.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1599.                                 continue;

  1600. 

  1601.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1602. 

  1603.                             seqEvent.time.tick = isSampleAccurate ? startTime : event.time;

  1604. 

  1605.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1606.                             seqEvent.data.control.channel = event.channel;

  1607.                             seqEvent.data.control.param   = MIDI_CONTROL_ALL_SOUND_OFF;

  1608.                         }

  1609.                         break;

  1610. 

  1611.                     case kEngineControlEventTypeAllNotesOff:

  1612.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1613.                         {

  1614. #ifndef BUILD_BRIDGE

  1615.                             if (event.channel == pData->ctrlChannel && ! allNotesOffSent)

  1616.                             {

  1617.                                 allNotesOffSent = true;

  1618.                                 sendMidiAllNotesOffToCallback();

  1619.                             }

  1620. #endif

  1621. 

  1622.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1623.                                 continue;

  1624. 

  1625.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1626. 

  1627.                             seqEvent.time.tick = isSampleAccurate ? startTime : event.time;

  1628. 

  1629.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1630.                             seqEvent.data.control.channel = event.channel;

  1631.                             seqEvent.data.control.param   = MIDI_CONTROL_ALL_NOTES_OFF;

  1632.                         }

  1633.                         break;

  1634.                     } // switch (ctrlEvent.type)

  1635.                     break;

  1636.                 } // case kEngineEventTypeControl

  1637. 

  1638.                 case kEngineEventTypeMidi: {

  1639.                     if (midiEventCount >= kPluginMaxMidiEvents)

  1640.                         continue;

  1641. 

  1642.                     const EngineMidiEvent& midiEvent(event.midi);

  1643. 

  1644.                     if (midiEvent.size > EngineMidiEvent::kDataSize)

  1645.                         continue;

  1646. 

  1647.                     uint8_t status = uint8_t(MIDI_GET_STATUS_FROM_DATA(midiEvent.data));

  1648. 

  1649.                     // Fix bad note-off (per DSSI spec)

  1650.                     if (status == MIDI_STATUS_NOTE_ON && midiEvent.data[2] == 0)

  1651.                         status = MIDI_STATUS_NOTE_OFF;

  1652. 

  1653.                     snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1654. 

  1655.                     seqEvent.time.tick = isSampleAccurate ? startTime : event.time;

  1656. 

  1657.                     switch (status)

  1658.                     {

  1659.                     case MIDI_STATUS_NOTE_OFF: {

  1660.                         const uint8_t note = midiEvent.data[1];

  1661. 

  1662.                         seqEvent.type = SND_SEQ_EVENT_NOTEOFF;

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

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

  1665. 

  1666.                         pData->postponeRtEvent(kPluginPostRtEventNoteOff, event.channel, note, 0.0f);

  1667.                         break;

  1668.                     }

  1669. 

  1670.                     case MIDI_STATUS_NOTE_ON: {

  1671.                         const uint8_t note = midiEvent.data[1];

  1672.                         const uint8_t velo = midiEvent.data[2];

  1673. 

  1674.                         seqEvent.type = SND_SEQ_EVENT_NOTEON;

  1675.                         seqEvent.data.note.channel  = event.channel;

  1676.                         seqEvent.data.note.note     = note;

  1677.                         seqEvent.data.note.velocity = velo;

  1678. 

  1679.                         pData->postponeRtEvent(kPluginPostRtEventNoteOn, event.channel, note, velo);

  1680.                         break;

  1681.                     }

  1682. 

  1683.                     case MIDI_STATUS_POLYPHONIC_AFTERTOUCH:

  1684.                         if (pData->options & PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH)

  1685.                         {

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

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

  1688. 

  1689.                             seqEvent.type = SND_SEQ_EVENT_KEYPRESS;

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

  1691.                             seqEvent.data.note.note     = note;

  1692.                             seqEvent.data.note.velocity = pressure;

  1693.                         }

  1694.                         break;

  1695. 

  1696.                     case MIDI_STATUS_CONTROL_CHANGE:

  1697.                         if (pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES)

  1698.                         {

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

  1700.                             const uint8_t value   = midiEvent.data[2];

  1701. 

  1702.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

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

  1704.                             seqEvent.data.control.param   = control;

  1705.                             seqEvent.data.control.value   = value;

  1706.                         }

  1707.                         break;

  1708. 

  1709.                     case MIDI_STATUS_CHANNEL_PRESSURE:

  1710.                         if (pData->options & PLUGIN_OPTION_SEND_CHANNEL_PRESSURE)

  1711.                         {

  1712.                             const uint8_t pressure = midiEvent.data[1];

  1713. 

  1714.                             seqEvent.type = SND_SEQ_EVENT_CHANPRESS;

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

  1716.                             seqEvent.data.control.value   = pressure;

  1717.                         }

  1718.                         break;

  1719. 

  1720.                     case MIDI_STATUS_PITCH_WHEEL_CONTROL:

  1721.                         if (pData->options & PLUGIN_OPTION_SEND_PITCHBEND)

  1722.                         {

  1723.                             const uint8_t lsb = midiEvent.data[1];

  1724.                             const uint8_t msb = midiEvent.data[2];

  1725. 

  1726.                             seqEvent.type = SND_SEQ_EVENT_PITCHBEND;

  1727.                             seqEvent.data.control.channel = event.channel;

  1728.                             seqEvent.data.control.value   = ((msb << 7) | lsb) - 8192;

  1729.                         }

  1730.                         break;

  1731. 

  1732.                     default:

  1733.                         --midiEventCount;

  1734.                         break;

  1735.                     } // switch (status)

  1736.                 } break;

  1737.                 } // switch (event.type)

  1738.             }

  1739. 

  1740.             pData->postRtEvents.trySplice();

  1741. 

  1742.             if (frames > timeOffset)

  1743.                 processSingle(audioIn, audioOut, frames - timeOffset, timeOffset, midiEventCount);

  1744. 

  1745.         } // End of Event Input and Processing

  1746. 

  1747.         // --------------------------------------------------------------------------------------------------------

  1748.         // Plugin processing (no events)

  1749. 

  1750.         else

  1751.         {

  1752.             processSingle(audioIn, audioOut, frames, 0, midiEventCount);

  1753. 

  1754.         } // End of Plugin processing (no events)

  1755. 

  1756. #ifndef BUILD_BRIDGE

  1757. #if 0 // TODO

  1758.         // --------------------------------------------------------------------------------------------------------

  1759.         // Latency, save values for next callback

  1760. 

  1761.         if (fLatencyIndex != -1)

  1762.         {

  1763.             if (pData->latency != static_cast<uint32_t>(fParamBuffers[fLatencyIndex]))

  1764.             {

  1765.                 fLatencyChanged = true;

  1766.             }

  1767.             else if (pData->latency > 0)

  1768.             {

  1769.                 if (pData->latency <= frames)

  1770.                 {

  1771.                     for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1772.                         FloatVectorOperations::copy(pData->latencyBuffers[i], audioIn[i]+(frames-pData->latency), static_cast<int>(pData->latency));

  1773.                 }

  1774.                 else

  1775.                 {

  1776.                     for (uint32_t i=0, j, k; i < pData->audioIn.count; ++i)

  1777.                     {

  1778.                         for (k=0; k < pData->latency-frames; ++k)

  1779.                             pData->latencyBuffers[i][k] = pData->latencyBuffers[i][k+frames];

  1780.                         for (j=0; k < pData->latency; ++j, ++k)

  1781.                             pData->latencyBuffers[i][k] = audioIn[i][j];

  1782.                     }

  1783.                 }

  1784.             }

  1785.         }

  1786. #endif

  1787. 

  1788.         // --------------------------------------------------------------------------------------------------------

  1789.         // Control Output

  1790. 

  1791.         if (pData->event.portOut != nullptr)

  1792.         {

  1793.             uint8_t  channel;

  1794.             uint16_t param;

  1795.             float    value;

  1796. 

  1797.             for (uint32_t k=0; k < pData->param.count; ++k)

  1798.             {

  1799.                 if (pData->param.data[k].type != PARAMETER_OUTPUT)

  1800.                     continue;

  1801. 

  1802.                 pData->param.ranges[k].fixValue(fParamBuffers[k]);

  1803. 

  1804.                 if (pData->param.data[k].midiCC > 0)

  1805.                 {

  1806.                     channel = pData->param.data[k].midiChannel;

  1807.                     param   = static_cast<uint16_t>(pData->param.data[k].midiCC);

  1808.                     value   = pData->param.ranges[k].getNormalizedValue(fParamBuffers[k]);

  1809.                     pData->event.portOut->writeControlEvent(0, channel, kEngineControlEventTypeParameter, param, value);

  1810.                 }

  1811.             }

  1812.         } // End of Control Output

  1813. #endif

  1814.     }

  1815. 

  1816.     bool processSingle(const float** const audioIn, float** const audioOut, const uint32_t frames,

  1817.                        const uint32_t timeOffset, const ulong midiEventCount)

  1818.     {

  1819.         CARLA_SAFE_ASSERT_RETURN(frames > 0, false);

  1820. 

  1821.         if (pData->audioIn.count > 0)

  1822.         {

  1823.             CARLA_SAFE_ASSERT_RETURN(audioIn != nullptr, false);

  1824.         }

  1825.         if (pData->audioOut.count > 0)

  1826.         {

  1827.             CARLA_SAFE_ASSERT_RETURN(audioOut != nullptr, false);

  1828.         }

  1829. 

  1830.         // --------------------------------------------------------------------------------------------------------

  1831.         // Try lock, silence otherwise

  1832. 

  1833.         if (pData->engine->isOffline())

  1834.         {

  1835.             pData->singleMutex.lock();

  1836.         }

  1837.         else if (! pData->singleMutex.tryLock())

  1838.         {

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

  1840.             {

  1841.                 for (uint32_t k=0; k < frames; ++k)

  1842.                     audioOut[i][k+timeOffset] = 0.0f;

  1843.             }

  1844. 

  1845.             return false;

  1846.         }

  1847. 

  1848.         const int iframes(static_cast<int>(frames));

  1849. 

  1850.         // --------------------------------------------------------------------------------------------------------

  1851.         // Handle needsReset

  1852. 

  1853.         if (pData->needsReset)

  1854.         {

  1855.             if (pData->latency.frames > 0)

  1856.             {

  1857.                 for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1858.                     FloatVectorOperations::clear(pData->latency.buffers[i], static_cast<int>(pData->latency.frames));

  1859.             }

  1860. 

  1861.             pData->needsReset = false;

  1862.         }

  1863. 

  1864.         // --------------------------------------------------------------------------------------------------------

  1865.         // Set audio buffers

  1866. 

  1867.         const bool customMonoOut   = pData->audioOut.count == 2 && fForcedStereoOut && ! fForcedStereoIn;

  1868.         const bool customStereoOut = pData->audioOut.count == 2 && fForcedStereoIn  && ! fForcedStereoOut;

  1869. 

  1870.         if (! customMonoOut)

  1871.         {

  1872.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1873.                 FloatVectorOperations::clear(fAudioOutBuffers[i], iframes);

  1874.         }

  1875. 

  1876.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1877.             FloatVectorOperations::copy(fAudioInBuffers[i], audioIn[i]+timeOffset, iframes);

  1878. 

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

  1880.         // Run plugin

  1881. 

  1882.         uint instn = 0;

  1883.         for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next(), ++instn)

  1884.         {

  1885.             LADSPA_Handle const handle(it.getValue(nullptr));

  1886.             CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1887. 

  1888.             // ----------------------------------------------------------------------------------------------------

  1889.             // Mixdown for forced stereo

  1890. 

  1891.             if (customMonoOut)

  1892.                 FloatVectorOperations::clear(fAudioOutBuffers[instn], iframes);

  1893. 

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

  1895.             // Run it

  1896. 

  1897.             if (fDssiDescriptor->run_synth != nullptr)

  1898.             {

  1899.                 try {

  1900.                     fDssiDescriptor->run_synth(handle, frames, fMidiEvents, midiEventCount);

  1901.                 } CARLA_SAFE_EXCEPTION("DSSI run_synth");

  1902.             }

  1903.             else

  1904.             {

  1905.                 try {

  1906.                     fDescriptor->run(handle, frames);

  1907.                 } CARLA_SAFE_EXCEPTION("DSSI run");

  1908.             }

  1909. 

  1910.             // ----------------------------------------------------------------------------------------------------

  1911.             // Mixdown for forced stereo

  1912. 

  1913.             if (customMonoOut)

  1914.                 FloatVectorOperations::multiply(fAudioOutBuffers[instn], 0.5f, iframes);

  1915.             else if (customStereoOut)

  1916.                 FloatVectorOperations::copy(fExtraStereoBuffer[instn], fAudioOutBuffers[instn], iframes);

  1917.         }

  1918. 

  1919.         // --------------------------------------------------------------------------------------------------------

  1920.         // Run plugin

  1921. 

  1922. #ifndef BUILD_BRIDGE

  1923.         // --------------------------------------------------------------------------------------------------------

  1924.         // Post-processing (dry/wet, volume and balance)

  1925. 

  1926.         {

  1927.             const bool doDryWet  = (pData->hints & PLUGIN_CAN_DRYWET) != 0 && carla_isNotEqual(pData->postProc.dryWet, 1.0f);

  1928.             const bool doBalance = (pData->hints & PLUGIN_CAN_BALANCE) != 0 && ! (carla_isEqual(pData->postProc.balanceLeft, -1.0f) && carla_isEqual(pData->postProc.balanceRight, 1.0f));

  1929.             const bool isMono    = (pData->audioIn.count == 1);

  1930. 

  1931.             bool isPair;

  1932.             float bufValue, oldBufLeft[doBalance ? frames : 1];

  1933. 

  1934.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1935.             {

  1936.                 // Dry/Wet

  1937.                 if (doDryWet)

  1938.                 {

  1939.                     for (uint32_t k=0; k < frames; ++k)

  1940.                     {

  1941. #if 0 // TODO

  1942.                         if (k < pData->latency)

  1943.                             bufValue = pData->latencyBuffers[isMono ? 0 : i][k];

  1944.                         else if (pData->latency < frames)

  1945.                             bufValue = fAudioInBuffers[isMono ? 0 : i][k-pData->latency];

  1946.                         else

  1947. #endif

  1948.                             bufValue = fAudioInBuffers[isMono ? 0 : i][k];

  1949. 

  1950.                         fAudioOutBuffers[i][k] = (fAudioOutBuffers[i][k] * pData->postProc.dryWet) + (bufValue * (1.0f - pData->postProc.dryWet));

  1951.                     }

  1952.                 }

  1953. 

  1954.                 // Balance

  1955.                 if (doBalance)

  1956.                 {

  1957.                     isPair = (i % 2 == 0);

  1958. 

  1959.                     if (isPair)

  1960.                     {

  1961.                         CARLA_ASSERT(i+1 < pData->audioOut.count);

  1962.                         FloatVectorOperations::copy(oldBufLeft, fAudioOutBuffers[i], static_cast<int>(frames));

  1963.                     }

  1964. 

  1965.                     float balRangeL = (pData->postProc.balanceLeft  + 1.0f)/2.0f;

  1966.                     float balRangeR = (pData->postProc.balanceRight + 1.0f)/2.0f;

  1967. 

  1968.                     for (uint32_t k=0; k < frames; ++k)

  1969.                     {

  1970.                         if (isPair)

  1971.                         {

  1972.                             // left

  1973.                             fAudioOutBuffers[i][k]  = oldBufLeft[k]            * (1.0f - balRangeL);

  1974.                             fAudioOutBuffers[i][k] += fAudioOutBuffers[i+1][k] * (1.0f - balRangeR);

  1975.                         }

  1976.                         else

  1977.                         {

  1978.                             // right

  1979.                             fAudioOutBuffers[i][k]  = fAudioOutBuffers[i][k] * balRangeR;

  1980.                             fAudioOutBuffers[i][k] += oldBufLeft[k]          * balRangeL;

  1981.                         }

  1982.                     }

  1983.                 }

  1984. 

  1985.                 // Volume (and buffer copy)

  1986.                 {

  1987.                     for (uint32_t k=0; k < frames; ++k)

  1988.                         audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k] * pData->postProc.volume;

  1989.                 }

  1990.             }

  1991. 

  1992.         } // End of Post-processing

  1993. 

  1994. #else // BUILD_BRIDGE

  1995.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1996.         {

  1997.             for (uint32_t k=0; k < frames; ++k)

  1998.                 audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k];

  1999.         }

  2000. #endif

  2001. 

  2002. #if 0

  2003.         for (uint32_t i=0; i < pData->cvOut.count; ++i)

  2004.         {

  2005.             for (uint32_t k=0; k < frames; ++k)

  2006.                 cvOut[i][k+timeOffset] = fCvOutBuffers[i][k];

  2007.         }

  2008. #endif

  2009. 

  2010.         // --------------------------------------------------------------------------------------------------------

  2011. 

  2012.         pData->singleMutex.unlock();

  2013.         return true;

  2014.     }

  2015. 

  2016.     void bufferSizeChanged(const uint32_t newBufferSize) override

  2017.     {

  2018.         CARLA_ASSERT_INT(newBufferSize > 0, newBufferSize);

  2019.         carla_debug("CarlaPluginDSSI::bufferSizeChanged(%i) - start", newBufferSize);

  2020. 

  2021.         const int iBufferSize(static_cast<int>(newBufferSize));

  2022. 

  2023.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2024.         {

  2025.             if (fAudioInBuffers[i] != nullptr)

  2026.                 delete[] fAudioInBuffers[i];

  2027. 

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

  2029.             FloatVectorOperations::clear(fAudioInBuffers[i], iBufferSize);

  2030.         }

  2031. 

  2032.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2033.         {

  2034.             if (fAudioOutBuffers[i] != nullptr)

  2035.                 delete[] fAudioOutBuffers[i];

  2036. 

  2037.             fAudioOutBuffers[i] = new float[newBufferSize];

  2038.             FloatVectorOperations::clear(fAudioOutBuffers[i], iBufferSize);

  2039.         }

  2040. 

  2041.         if (fExtraStereoBuffer[0] != nullptr)

  2042.         {

  2043.             delete[] fExtraStereoBuffer[0];

  2044.             fExtraStereoBuffer[0] = nullptr;

  2045.         }

  2046. 

  2047.         if (fExtraStereoBuffer[1] != nullptr)

  2048.         {

  2049.             delete[] fExtraStereoBuffer[1];

  2050.             fExtraStereoBuffer[1] = nullptr;

  2051.         }

  2052. 

  2053.         if (fForcedStereoIn && pData->audioOut.count == 2)

  2054.         {

  2055.             fExtraStereoBuffer[0] = new float[newBufferSize];

  2056.             fExtraStereoBuffer[1] = new float[newBufferSize];

  2057.             FloatVectorOperations::clear(fExtraStereoBuffer[0], iBufferSize);

  2058.             FloatVectorOperations::clear(fExtraStereoBuffer[1], iBufferSize);

  2059.         }

  2060. 

  2061.         reconnectAudioPorts();

  2062. 

  2063.         carla_debug("CarlaPluginDSSI::bufferSizeChanged(%i) - end", newBufferSize);

  2064.     }

  2065. 

  2066.     void sampleRateChanged(const double newSampleRate) override

  2067.     {

  2068.         CARLA_ASSERT_INT(newSampleRate > 0.0, newSampleRate);

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

  2070. 

  2071.         // TODO - handle UI stuff

  2072. 

  2073.         if (pData->active)

  2074.             deactivate();

  2075. 

  2076.         const std::size_t instanceCount(fHandles.count());

  2077. 

  2078.         if (fDescriptor->cleanup == nullptr)

  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.                 try {

  2086.                     fDescriptor->cleanup(handle);

  2087.                 } CARLA_SAFE_EXCEPTION("LADSPA cleanup");

  2088.             }

  2089.         }

  2090. 

  2091.         fHandles.clear();

  2092. 

  2093.         for (std::size_t i=0; i<instanceCount; ++i)

  2094.             addInstance();

  2095. 

  2096.         reconnectAudioPorts();

  2097. 

  2098.         if (pData->active)

  2099.             activate();

  2100. 

  2101.         carla_debug("CarlaPluginDSSI::sampleRateChanged(%g) - end", newSampleRate);

  2102.     }

  2103. 

  2104.     void reconnectAudioPorts() const noexcept

  2105.     {

  2106.         if (fForcedStereoIn)

  2107.         {

  2108.             if (LADSPA_Handle const handle = fHandles.getAt(0, nullptr))

  2109.             {

  2110.                 try {

  2111.                     fDescriptor->connect_port(handle, pData->audioIn.ports[0].rindex, fAudioInBuffers[0]);

  2112.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port (forced stereo input)");

  2113.             }

  2114. 

  2115.             if (LADSPA_Handle const handle = fHandles.getAt(1, nullptr))

  2116.             {

  2117.                 try {

  2118.                     fDescriptor->connect_port(handle, pData->audioIn.ports[1].rindex, fAudioInBuffers[1]);

  2119.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port (forced stereo input)");

  2120.             }

  2121.         }

  2122.         else

  2123.         {

  2124.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  2125.             {

  2126.                 LADSPA_Handle const handle(it.getValue(nullptr));

  2127.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  2128. 

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

  2130.                 {

  2131.                     try {

  2132.                         fDescriptor->connect_port(handle, pData->audioIn.ports[i].rindex, fAudioInBuffers[i]);

  2133.                     } CARLA_SAFE_EXCEPTION("DSSI connect_port (audio input)");

  2134.                 }

  2135.             }

  2136.         }

  2137. 

  2138.         if (fForcedStereoOut)

  2139.         {

  2140.             if (LADSPA_Handle const handle = fHandles.getAt(0, nullptr))

  2141.             {

  2142.                 try {

  2143.                     fDescriptor->connect_port(handle, pData->audioOut.ports[0].rindex, fAudioOutBuffers[0]);

  2144.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port (forced stereo output)");

  2145.             }

  2146. 

  2147.             if (LADSPA_Handle const handle = fHandles.getAt(1, nullptr))

  2148.             {

  2149.                 try {

  2150.                     fDescriptor->connect_port(handle, pData->audioOut.ports[1].rindex, fAudioOutBuffers[1]);

  2151.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port (forced stereo output)");

  2152.             }

  2153.         }

  2154.         else

  2155.         {

  2156.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  2157.             {

  2158.                 LADSPA_Handle const handle(it.getValue(nullptr));

  2159.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  2160. 

  2161.                 for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2162.                 {

  2163.                     try {

  2164.                         fDescriptor->connect_port(handle, pData->audioOut.ports[i].rindex, fAudioOutBuffers[i]);

  2165.                     } CARLA_SAFE_EXCEPTION("DSSI connect_port (audio output)");

  2166.                 }

  2167.             }

  2168.         }

  2169.     }

  2170. 

  2171.     // -------------------------------------------------------------------

  2172.     // Plugin buffers

  2173. 

  2174.     void clearBuffers() noexcept override

  2175.     {

  2176.         carla_debug("CarlaPluginDSSI::clearBuffers() - start");

  2177. 

  2178.         if (fAudioInBuffers != nullptr)

  2179.         {

  2180.             for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2181.             {

  2182.                 if (fAudioInBuffers[i] != nullptr)

  2183.                 {

  2184.                     delete[] fAudioInBuffers[i];

  2185.                     fAudioInBuffers[i] = nullptr;

  2186.                 }

  2187.             }

  2188. 

  2189.             delete[] fAudioInBuffers;

  2190.             fAudioInBuffers = nullptr;

  2191.         }

  2192. 

  2193.         if (fAudioOutBuffers != nullptr)

  2194.         {

  2195.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2196.             {

  2197.                 if (fAudioOutBuffers[i] != nullptr)

  2198.                 {

  2199.                     delete[] fAudioOutBuffers[i];

  2200.                     fAudioOutBuffers[i] = nullptr;

  2201.                 }

  2202.             }

  2203. 

  2204.             delete[] fAudioOutBuffers;

  2205.             fAudioOutBuffers = nullptr;

  2206.         }

  2207. 

  2208.         if (fExtraStereoBuffer[0] != nullptr)

  2209.         {

  2210.             delete[] fExtraStereoBuffer[0];

  2211.             fExtraStereoBuffer[0] = nullptr;

  2212.         }

  2213. 

  2214.         if (fExtraStereoBuffer[1] != nullptr)

  2215.         {

  2216.             delete[] fExtraStereoBuffer[1];

  2217.             fExtraStereoBuffer[1] = nullptr;

  2218.         }

  2219. 

  2220.         if (fParamBuffers != nullptr)

  2221.         {

  2222.             delete[] fParamBuffers;

  2223.             fParamBuffers = nullptr;

  2224.         }

  2225. 

  2226.         CarlaPlugin::clearBuffers();

  2227. 

  2228.         carla_debug("CarlaPluginDSSI::clearBuffers() - end");

  2229.     }

  2230. 

  2231. #ifdef HAVE_LIBLO

  2232.     // -------------------------------------------------------------------

  2233.     // OSC stuff

  2234. 

  2235.     void handleOscMessage(const char* const method, const int argc, const void* const argvx, const char* const types, const lo_message msg) override

  2236.     {

  2237.         const lo_address source(lo_message_get_source(msg));

  2238.         CARLA_SAFE_ASSERT_RETURN(source != nullptr,);

  2239. 

  2240.         // protocol for DSSI UIs *must* be UDP

  2241.         CARLA_SAFE_ASSERT_RETURN(lo_address_get_protocol(source) == LO_UDP,);

  2242. 

  2243.         if (fOscData.source == nullptr)

  2244.         {

  2245.             // if no UI is registered yet only "update" message is valid

  2246.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(method, "update") == 0,)

  2247.         }

  2248.         else

  2249.         {

  2250.             // make sure message source is the DSSI UI

  2251.             const char* const msghost = lo_address_get_hostname(source);

  2252.             const char* const msgport = lo_address_get_port(source);

  2253. 

  2254.             const char* const ourhost = lo_address_get_hostname(fOscData.source);

  2255.             const char* const ourport = lo_address_get_port(fOscData.source);

  2256. 

  2257.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(msghost, ourhost) == 0,);

  2258.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(msgport, ourport) == 0,);

  2259.         }

  2260. 

  2261.         const lo_arg* const* const argv(static_cast<const lo_arg* const* const>(argvx));

  2262. 

  2263.         if (std::strcmp(method, "configure") == 0)

  2264.             return handleOscMessageConfigure(argc, argv, types);

  2265.         if (std::strcmp(method, "control") == 0)

  2266.             return handleOscMessageControl(argc, argv, types);

  2267.         if (std::strcmp(method, "program") == 0)

  2268.             return handleOscMessageProgram(argc, argv, types);

  2269.         if (std::strcmp(method, "midi") == 0)

  2270.             return handleOscMessageMIDI(argc, argv, types);

  2271.         if (std::strcmp(method, "update") == 0)

  2272.             return handleOscMessageUpdate(argc, argv, types, lo_message_get_source(msg));

  2273.         if (std::strcmp(method, "exiting") == 0)

  2274.             return handleOscMessageExiting();

  2275. 

  2276.         carla_stdout("CarlaPluginDSSI::handleOscMessage() - unknown method '%s'", method);

  2277.     }

  2278. 

  2279.     void handleOscMessageConfigure(const int argc, const lo_arg* const* const argv, const char* const types)

  2280.     {

  2281.         carla_debug("CarlaPluginDSSI::handleMsgConfigure()");

  2282.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "ss");

  2283. 

  2284.         const char* const key   = (const char*)&argv[0]->s;

  2285.         const char* const value = (const char*)&argv[1]->s;

  2286. 

  2287.         setCustomData(CUSTOM_DATA_TYPE_STRING, key, value, false);

  2288.     }

  2289. 

  2290.     void handleOscMessageControl(const int argc, const lo_arg* const* const argv, const char* const types)

  2291.     {

  2292.         carla_debug("CarlaPluginDSSI::handleMsgControl()");

  2293.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "if");

  2294. 

  2295.         const int32_t rindex = argv[0]->i;

  2296.         const float   value  = argv[1]->f;

  2297. 

  2298.         setParameterValueByRealIndex(rindex, value, false, true, true);

  2299.     }

  2300. 

  2301.     void handleOscMessageProgram(const int argc, const lo_arg* const* const argv, const char* const types)

  2302.     {

  2303.         carla_debug("CarlaPluginDSSI::handleMsgProgram()");

  2304.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "ii");

  2305. 

  2306.         const int32_t bank    = argv[0]->i;

  2307.         const int32_t program = argv[1]->i;

  2308. 

  2309.         CARLA_SAFE_ASSERT_RETURN(bank >= 0,);

  2310.         CARLA_SAFE_ASSERT_RETURN(program >= 0,);

  2311. 

  2312.         setMidiProgramById(static_cast<uint32_t>(bank), static_cast<uint32_t>(program), false, true, true);

  2313.     }

  2314. 

  2315.     void handleOscMessageMIDI(const int argc, const lo_arg* const* const argv, const char* const types)

  2316.     {

  2317.         carla_debug("CarlaPluginDSSI::handleMsgMidi()");

  2318.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(1, "m");

  2319. 

  2320.         if (getMidiInCount() == 0)

  2321.         {

  2322.             carla_stderr("CarlaPluginDSSI::handleMsgMidi() - received midi when plugin has no midi inputs");

  2323.             return;

  2324.         }

  2325. 

  2326.         const uint8_t* const data = argv[0]->m;

  2327.         uint8_t status  = data[1];

  2328.         uint8_t channel = status & 0x0F;

  2329. 

  2330.         // Fix bad note-off

  2331.         if (MIDI_IS_STATUS_NOTE_ON(status) && data[3] == 0)

  2332.             status = MIDI_STATUS_NOTE_OFF;

  2333. 

  2334.         if (MIDI_IS_STATUS_NOTE_OFF(status))

  2335.         {

  2336.             const uint8_t note = data[2];

  2337. 

  2338.             CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2339. 

  2340.             sendMidiSingleNote(channel, note, 0, false, true, true);

  2341.         }

  2342.         else if (MIDI_IS_STATUS_NOTE_ON(status))

  2343.         {

  2344.             const uint8_t note = data[2];

  2345.             const uint8_t velo = data[3];

  2346. 

  2347.             CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2348.             CARLA_SAFE_ASSERT_RETURN(velo < MAX_MIDI_VALUE,);

  2349. 

  2350.             sendMidiSingleNote(channel, note, velo, false, true, true);

  2351.         }

  2352.     }

  2353. 

  2354.     void handleOscMessageUpdate(const int argc, const lo_arg* const* const argv, const char* const types, const lo_address source)

  2355.     {

  2356.         carla_debug("CarlaPluginDSSI::handleMsgUpdate()");

  2357.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(1, "s");

  2358. 

  2359.         const char* const url = (const char*)&argv[0]->s;

  2360. 

  2361.         // FIXME - remove debug prints later

  2362.         carla_stdout("CarlaPluginDSSI::updateOscData(%p, \"%s\")", source, url);

  2363. 

  2364.         fOscData.clear();

  2365. 

  2366.         const int proto = lo_address_get_protocol(source);

  2367. 

  2368.         {

  2369.             const char* host = lo_address_get_hostname(source);

  2370.             const char* port = lo_address_get_port(source);

  2371.             fOscData.source = lo_address_new_with_proto(proto, host, port);

  2372. 

  2373.             carla_stdout("CarlaPlugin::updateOscData() - source: host \"%s\", port \"%s\"", host, port);

  2374.         }

  2375. 

  2376.         {

  2377.             char* host = lo_url_get_hostname(url);

  2378.             char* port = lo_url_get_port(url);

  2379.             fOscData.path   = carla_strdup_free(lo_url_get_path(url));

  2380.             fOscData.target = lo_address_new_with_proto(proto, host, port);

  2381.             carla_stdout("CarlaPlugin::updateOscData() - target: host \"%s\", port \"%s\", path \"%s\"", host, port, fOscData.path);

  2382. 

  2383.             std::free(host);

  2384.             std::free(port);

  2385.         }

  2386. 

  2387.         osc_send_sample_rate(fOscData, static_cast<float>(pData->engine->getSampleRate()));

  2388. 

  2389.         for (LinkedList<CustomData>::Itenerator it = pData->custom.begin2(); it.valid(); it.next())

  2390.         {

  2391.             const CustomData& customData(it.getValue(kCustomDataFallback));

  2392.             CARLA_SAFE_ASSERT_CONTINUE(customData.isValid());

  2393. 

  2394.             if (std::strcmp(customData.type, CUSTOM_DATA_TYPE_STRING) == 0)

  2395.                 osc_send_configure(fOscData, customData.key, customData.value);

  2396.         }

  2397. 

  2398.         if (pData->prog.current >= 0)

  2399.             osc_send_program(fOscData, static_cast<uint32_t>(pData->prog.current));

  2400. 

  2401.         if (pData->midiprog.current >= 0)

  2402.         {

  2403.             const MidiProgramData& curMidiProg(pData->midiprog.getCurrent());

  2404. 

  2405.             if (getType() == PLUGIN_DSSI)

  2406.                 osc_send_program(fOscData, curMidiProg.bank, curMidiProg.program);

  2407.             else

  2408.                 osc_send_midi_program(fOscData, curMidiProg.bank, curMidiProg.program);

  2409.         }

  2410. 

  2411.         for (uint32_t i=0; i < pData->param.count; ++i)

  2412.             osc_send_control(fOscData, pData->param.data[i].rindex, getParameterValue(i));

  2413. 

  2414.         if ((pData->hints & PLUGIN_HAS_CUSTOM_UI) != 0 && pData->engine->getOptions().frontendWinId != 0)

  2415.             pData->transientTryCounter = 1;

  2416. 

  2417.         carla_stdout("CarlaPluginDSSI::updateOscData() - done");

  2418.     }

  2419. 

  2420.     void handleOscMessageExiting()

  2421.     {

  2422.         carla_debug("CarlaPluginDSSI::handleMsgExiting()");

  2423. 

  2424.         // hide UI

  2425.         showCustomUI(false);

  2426. 

  2427.         // tell frontend

  2428.         pData->engine->callback(ENGINE_CALLBACK_UI_STATE_CHANGED, pData->id, 0, 0, 0.0f, nullptr);

  2429.     }

  2430. 

  2431.     // -------------------------------------------------------------------

  2432.     // Post-poned UI Stuff

  2433. 

  2434.     void uiParameterChange(const uint32_t index, const float value) noexcept override

  2435.     {

  2436.         CARLA_SAFE_ASSERT_RETURN(index < pData->param.count,);

  2437. 

  2438.         if (fOscData.target == nullptr)

  2439.             return;

  2440. 

  2441.         osc_send_control(fOscData, pData->param.data[index].rindex, value);

  2442.     }

  2443. 

  2444.     void uiMidiProgramChange(const uint32_t index) noexcept override

  2445.     {

  2446.         CARLA_SAFE_ASSERT_RETURN(index < pData->midiprog.count,);

  2447. 

  2448.         if (fOscData.target == nullptr)

  2449.             return;

  2450. 

  2451.         osc_send_program(fOscData, pData->midiprog.data[index].bank, pData->midiprog.data[index].program);

  2452.     }

  2453. 

  2454.     void uiNoteOn(const uint8_t channel, const uint8_t note, const uint8_t velo) noexcept override

  2455.     {

  2456.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2457.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2458.         CARLA_SAFE_ASSERT_RETURN(velo > 0 && velo < MAX_MIDI_VALUE,);

  2459. 

  2460.         if (fOscData.target == nullptr)

  2461.             return;

  2462. 

  2463. #if 0

  2464.         uint8_t midiData[4];

  2465.         midiData[0] = 0;

  2466.         midiData[1] = uint8_t(MIDI_STATUS_NOTE_ON | (channel & MIDI_CHANNEL_BIT));

  2467.         midiData[2] = note;

  2468.         midiData[3] = velo;

  2469. 

  2470.         osc_send_midi(fOscData, midiData);

  2471. #endif

  2472.     }

  2473. 

  2474.     void uiNoteOff(const uint8_t channel, const uint8_t note) noexcept override

  2475.     {

  2476.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2477.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2478. 

  2479.         if (fOscData.target == nullptr)

  2480.             return;

  2481. 

  2482. #if 0

  2483.         uint8_t midiData[4];

  2484.         midiData[0] = 0;

  2485.         midiData[1] = uint8_t(MIDI_STATUS_NOTE_ON | (channel & MIDI_CHANNEL_BIT));

  2486.         midiData[2] = note;

  2487.         midiData[3] = 0;

  2488. 

  2489.         osc_send_midi(fOscData, midiData);

  2490. #endif

  2491.     }

  2492. #endif // HAVE_LIBLO

  2493. 

  2494.     // -------------------------------------------------------------------

  2495. 

  2496.     const void* getNativeDescriptor() const noexcept override

  2497.     {

  2498.         return fDssiDescriptor;

  2499.     }

  2500. 

  2501. #ifdef HAVE_LIBLO

  2502.     uintptr_t getUiBridgeProcessId() const noexcept override

  2503.     {

  2504.         return fThreadUI.getProcessPID();

  2505.     }

  2506. 

  2507.     const void* getExtraStuff() const noexcept override

  2508.     {

  2509.         return fUiFilename;

  2510.     }

  2511. #endif

  2512. 

  2513.     // -------------------------------------------------------------------

  2514. 

  2515.     bool init(const char* const filename, const char* const name, const char* const label, const uint options)

  2516.     {

  2517.         CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr, false);

  2518. 

  2519.         // ---------------------------------------------------------------

  2520.         // first checks

  2521. 

  2522.         if (pData->client != nullptr)

  2523.         {

  2524.             pData->engine->setLastError("Plugin client is already registered");

  2525.             return false;

  2526.         }

  2527. 

  2528.         if (filename == nullptr || filename[0] == '\0')

  2529.         {

  2530.             pData->engine->setLastError("null filename");

  2531.             return false;

  2532.         }

  2533. 

  2534.         if (label == nullptr || label[0] == '\0')

  2535.         {

  2536.             pData->engine->setLastError("null label");

  2537.             return false;

  2538.         }

  2539. 

  2540.         // ---------------------------------------------------------------

  2541.         // open DLL

  2542. 

  2543.         if (! pData->libOpen(filename))

  2544.         {

  2545.             pData->engine->setLastError(pData->libError(filename));

  2546.             return false;

  2547.         }

  2548. 

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

  2550.         // get DLL main entry

  2551. 

  2552.         const DSSI_Descriptor_Function descFn = pData->libSymbol<DSSI_Descriptor_Function>("dssi_descriptor");

  2553. 

  2554.         if (descFn == nullptr)

  2555.         {

  2556.             pData->engine->setLastError("Could not find the DSSI Descriptor in the plugin library");

  2557.             return false;

  2558.         }

  2559. 

  2560.         // ---------------------------------------------------------------

  2561.         // get descriptor that matches label

  2562. 

  2563.         for (ulong d=0;; ++d)

  2564.         {

  2565.             try {

  2566.                 fDssiDescriptor = descFn(d);

  2567.             }

  2568.             catch(...) {

  2569.                 carla_stderr2("Caught exception when trying to get DSSI descriptor");

  2570.                 fDescriptor     = nullptr;

  2571.                 fDssiDescriptor = nullptr;

  2572.                 break;

  2573.             }

  2574. 

  2575.             if (fDssiDescriptor == nullptr)

  2576.                 break;

  2577. 

  2578.             fDescriptor = fDssiDescriptor->LADSPA_Plugin;

  2579. 

  2580.             if (fDescriptor == nullptr)

  2581.             {

  2582.                 carla_stderr2("WARNING - Missing LADSPA interface, will not use this plugin");

  2583.                 fDssiDescriptor = nullptr;

  2584.                 break;

  2585.             }

  2586.             if (fDescriptor->Label == nullptr || fDescriptor->Label[0] == '\0')

  2587.             {

  2588.                 carla_stderr2("WARNING - Got an invalid label, will not use this plugin");

  2589.                 fDescriptor     = nullptr;

  2590.                 fDssiDescriptor = nullptr;

  2591.                 break;

  2592.             }

  2593.             if (fDescriptor->run == nullptr)

  2594.             {

  2595.                 carla_stderr2("WARNING - Plugin has no run, cannot use it");

  2596.                 fDescriptor     = nullptr;

  2597.                 fDssiDescriptor = nullptr;

  2598.                 break;

  2599.             }

  2600. 

  2601.             if (std::strcmp(fDescriptor->Label, label) == 0)

  2602.                 break;

  2603.         }

  2604. 

  2605.         if (fDescriptor == nullptr || fDssiDescriptor == nullptr)

  2606.         {

  2607.             pData->engine->setLastError("Could not find the requested plugin label in the plugin library");

  2608.             return false;

  2609.         }

  2610. 

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

  2612.         // check if uses global instance

  2613. 

  2614.         if (fDssiDescriptor->run_synth == nullptr && fDssiDescriptor->run_multiple_synths != nullptr)

  2615.         {

  2616.             pData->engine->setLastError("This plugin requires run_multiple_synths which is not supported");

  2617.             return false;

  2618.         }

  2619. 

  2620.         // ---------------------------------------------------------------

  2621.         // get info

  2622. 

  2623.         if (name != nullptr && name[0] != '\0')

  2624.             pData->name = pData->engine->getUniquePluginName(name);

  2625.         else if (fDescriptor->Name != nullptr && fDescriptor->Name[0] != '\0')

  2626.             pData->name = pData->engine->getUniquePluginName(fDescriptor->Name);

  2627.         else

  2628.             pData->name = pData->engine->getUniquePluginName(fDescriptor->Label);

  2629. 

  2630.         pData->filename = carla_strdup(filename);

  2631. 

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

  2633.         // register client

  2634. 

  2635.         pData->client = pData->engine->addClient(this);

  2636. 

  2637.         if (pData->client == nullptr || ! pData->client->isOk())

  2638.         {

  2639.             pData->engine->setLastError("Failed to register plugin client");

  2640.             return false;

  2641.         }

  2642. 

  2643.         // ---------------------------------------------------------------

  2644.         // initialize plugin

  2645. 

  2646.         if (! addInstance())

  2647.             return false;

  2648. 

  2649.         // ---------------------------------------------------------------

  2650.         // find latency port index

  2651. 

  2652.         for (uint32_t i=0, iCtrl=0, count=getSafePortCount(); i<count; ++i)

  2653.         {

  2654.             const int portType(fDescriptor->PortDescriptors[i]);

  2655. 

  2656.             if (! LADSPA_IS_PORT_CONTROL(portType))

  2657.                 continue;

  2658. 

  2659.             const uint32_t index(iCtrl++);

  2660. 

  2661.             if (! LADSPA_IS_PORT_OUTPUT(portType))

  2662.                 continue;

  2663. 

  2664.             const char* const portName(fDescriptor->PortNames[i]);

  2665.             CARLA_SAFE_ASSERT_BREAK(portName != nullptr);

  2666. 

  2667.             if (std::strcmp(portName, "latency")  == 0 ||

  2668.                 std::strcmp(portName, "_latency") == 0)

  2669.             {

  2670.                 fLatencyIndex = static_cast<int32_t>(index);

  2671.                 break;

  2672.             }

  2673.         }

  2674. 

  2675.         // ---------------------------------------------------------------

  2676.         // check for custom data extension

  2677. 

  2678.         if (fDssiDescriptor->configure != nullptr)

  2679.         {

  2680.             if (char* const error = fDssiDescriptor->configure(fHandles.getFirst(nullptr), DSSI_CUSTOMDATA_EXTENSION_KEY, ""))

  2681.             {

  2682.                 if (std::strcmp(error, "true") == 0 && fDssiDescriptor->get_custom_data != nullptr

  2683.                                                     && fDssiDescriptor->set_custom_data != nullptr)

  2684.                     fUsesCustomData = true;

  2685. 

  2686.                 std::free(error);

  2687.             }

  2688.         }

  2689. 

  2690.         // ---------------------------------------------------------------

  2691.         // check if this is dssi-vst

  2692. 

  2693.         fIsDssiVst = CarlaString(filename).contains("dssi-vst", true);

  2694. 

  2695. #ifdef HAVE_LIBLO

  2696.         // ---------------------------------------------------------------

  2697.         // check for gui

  2698. 

  2699.         if (const char* const guiFilename = find_dssi_ui(filename, fDescriptor->Label))

  2700.         {

  2701.             fUiFilename = guiFilename;

  2702.             fThreadUI.setData(guiFilename, fDescriptor->Label);

  2703.         }

  2704. #endif

  2705. 

  2706.         // ---------------------------------------------------------------

  2707.         // set default options

  2708. 

  2709.         pData->options = 0x0;

  2710. 

  2711.         /**/ if (fLatencyIndex >= 0 || fIsDssiVst)

  2712.             pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;

  2713.          else if (options & PLUGIN_OPTION_FIXED_BUFFERS)

  2714.             pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;

  2715. 

  2716.         /**/ if (pData->engine->getOptions().forceStereo)

  2717.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  2718.          else if (options & PLUGIN_OPTION_FORCE_STEREO)

  2719.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  2720. 

  2721.         if (fUsesCustomData)

  2722.             pData->options |= PLUGIN_OPTION_USE_CHUNKS;

  2723. 

  2724.         if (fDssiDescriptor->run_synth != nullptr)

  2725.         {

  2726.             pData->options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  2727.             pData->options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  2728.             pData->options |= PLUGIN_OPTION_SEND_PITCHBEND;

  2729.             pData->options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  2730. 

  2731.             if (fDssiDescriptor->get_program != nullptr && fDssiDescriptor->select_program != nullptr)

  2732.                 pData->options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  2733.         }

  2734. 

  2735.         return true;

  2736.     }

  2737. 

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

  2739. 

  2740. private:

  2741.     LinkedList<LADSPA_Handle> fHandles;

  2742.     const LADSPA_Descriptor*  fDescriptor;

  2743.     const DSSI_Descriptor*    fDssiDescriptor;

  2744. 

  2745.     float** fAudioInBuffers;

  2746.     float** fAudioOutBuffers;

  2747.     float*  fExtraStereoBuffer[2]; // used only if forcedStereoIn and audioOut == 2

  2748.     float*  fParamBuffers;

  2749. 

  2750.     snd_seq_event_t fMidiEvents[kPluginMaxMidiEvents];

  2751. 

  2752.     int32_t fLatencyIndex; // -1 if invalid

  2753.     bool    fForcedStereoIn;

  2754.     bool    fForcedStereoOut;

  2755.     bool    fIsDssiVst;

  2756.     bool    fUsesCustomData;

  2757. 

  2758. #ifdef HAVE_LIBLO

  2759.     CarlaOscData      fOscData;

  2760.     CarlaThreadDSSIUI fThreadUI;

  2761.     const char*       fUiFilename;

  2762. #endif

  2763. 

  2764.     // -------------------------------------------------------------------

  2765. 

  2766.     bool addInstance()

  2767.     {

  2768.         LADSPA_Handle handle;

  2769. 

  2770.         try {

  2771.             handle = fDescriptor->instantiate(fDescriptor, static_cast<ulong>(pData->engine->getSampleRate()));

  2772.         } CARLA_SAFE_EXCEPTION_RETURN_ERR("LADSPA instantiate", "Plugin failed to initialize");

  2773. 

  2774.         for (uint32_t i=0, count=pData->param.count; i<count; ++i)

  2775.         {

  2776.             const int32_t rindex(pData->param.data[i].rindex);

  2777.             CARLA_SAFE_ASSERT_CONTINUE(rindex >= 0);

  2778. 

  2779.             try {

  2780.                 fDescriptor->connect_port(handle, static_cast<ulong>(rindex), &fParamBuffers[i]);

  2781.             } CARLA_SAFE_EXCEPTION("LADSPA connect_port");

  2782.         }

  2783. 

  2784.         if (fHandles.append(handle))

  2785.             return true;

  2786. 

  2787.         try {

  2788.             fDescriptor->cleanup(handle);

  2789.         } CARLA_SAFE_EXCEPTION("LADSPA cleanup");

  2790. 

  2791.         pData->engine->setLastError("Out of memory");

  2792.         return false;

  2793.     }

  2794. 

  2795.     uint32_t getSafePortCount() const noexcept

  2796.     {

  2797.         if (fDescriptor->PortCount == 0)

  2798.             return 0;

  2799. 

  2800.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortDescriptors != nullptr, 0);

  2801.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortRangeHints != nullptr, 0);

  2802.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortNames != nullptr, 0);

  2803. 

  2804.         return static_cast<uint32_t>(fDescriptor->PortCount);

  2805.     }

  2806. 

  2807.     bool getSeparatedParameterNameOrUnit(const char* const paramName, char* const strBuf, const bool wantName) const noexcept

  2808.     {

  2809.         if (_getSeparatedParameterNameOrUnitImpl(paramName, strBuf, wantName, true))

  2810.             return true;

  2811.         if (_getSeparatedParameterNameOrUnitImpl(paramName, strBuf, wantName, false))

  2812.             return true;

  2813.         return false;

  2814.     }

  2815. 

  2816.     static bool _getSeparatedParameterNameOrUnitImpl(const char* const paramName, char* const strBuf,

  2817.                                                      const bool wantName, const bool useBracket) noexcept

  2818.     {

  2819.         const char* const sepBracketStart(std::strstr(paramName, useBracket ? " [" : " ("));

  2820. 

  2821.         if (sepBracketStart == nullptr)

  2822.             return false;

  2823. 

  2824.         const char* const sepBracketEnd(std::strstr(sepBracketStart, useBracket ? "]" : ")"));

  2825. 

  2826.         if (sepBracketEnd == nullptr)

  2827.             return false;

  2828. 

  2829.         const std::size_t unitSize(static_cast<std::size_t>(sepBracketEnd-sepBracketStart-2));

  2830. 

  2831.         if (unitSize > 7) // very unlikely to have such big unit

  2832.             return false;

  2833. 

  2834.         const std::size_t sepIndex(std::strlen(paramName)-unitSize-3);

  2835. 

  2836.         // just in case

  2837.         if (sepIndex+2 >= STR_MAX)

  2838.             return false;

  2839. 

  2840.         if (wantName)

  2841.         {

  2842.             std::strncpy(strBuf, paramName, sepIndex);

  2843.             strBuf[sepIndex] = '\0';

  2844.         }

  2845.         else

  2846.         {

  2847.             std::strncpy(strBuf, paramName+(sepIndex+2), unitSize);

  2848.             strBuf[unitSize] = '\0';

  2849.         }

  2850. 

  2851.         return true;

  2852.     }

  2853. 

  2854.     // -------------------------------------------------------------------

  2855. 

  2856.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaPluginDSSI)

  2857. };

  2858. 

  2859. // -------------------------------------------------------------------------------------------------------------------

  2860. 

  2861. CarlaPlugin* CarlaPlugin::newDSSI(const Initializer& init)

  2862. {

  2863.     carla_debug("CarlaPlugin::newDSSI({%p, \"%s\", \"%s\", \"%s\", " P_INT64 ", %x})",

  2864.                 init.engine, init.filename, init.name, init.label, init.uniqueId, init.options);

  2865. 

  2866.     CarlaPluginDSSI* const plugin(new CarlaPluginDSSI(init.engine, init.id));

  2867. 

  2868.     if (! plugin->init(init.filename, init.name, init.label, init.options))

  2869.     {

  2870.         delete plugin;

  2871.         return nullptr;

  2872.     }

  2873. 

  2874.     return plugin;

  2875. }

  2876. 

  2877. // -------------------------------------------------------------------------------------------------------------------

  2878. 

  2879. CARLA_BACKEND_END_NAMESPACE