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

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  1. /*

  2.  * Carla DSSI Plugin

  3.  * Copyright (C) 2011-2014 Filipe Coelho <falktx@falktx.com>

  4.  *

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

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

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

  8.  * the License, or any later version.

  9.  *

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

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

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

  13.  * GNU General Public License for more details.

  14.  *

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

  16.  */

  17. 

  18. // TODO: set fUsesCustomData and latency index before init finishes

  19. 

  20. #include "CarlaPluginInternal.hpp"

  21. #include "CarlaEngineUtils.hpp"

  22. 

  23. #include "CarlaDssiUtils.hpp"

  24. #include "CarlaMathUtils.hpp"

  25. 

  26. #ifdef HAVE_LIBLO

  27. # include "CarlaOscUtils.hpp"

  28. # include "CarlaPipeUtils.hpp"

  29. # include "CarlaThread.hpp"

  30. #endif

  31. 

  32. using juce::ChildProcess;

  33. using juce::ScopedPointer;

  34. using juce::String;

  35. using juce::StringArray;

  36. 

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

  38.     /* check argument count */                                                                                                  \

  39.     if (argc != argcToCompare)                                                                                                  \

  40.     {                                                                                                                           \

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

  42.         return;                                                                                                                 \

  43.     }                                                                                                                           \

  44.     if (argc > 0)                                                                                                               \

  45.     {                                                                                                                           \

  46.         /* check for nullness */                                                                                                \

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

  48.         {                                                                                                                       \

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

  50.             return;                                                                                                             \

  51.         }                                                                                                                       \

  52.         /* check argument types */                                                                                              \

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

  54.         {                                                                                                                       \

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

  56.             return;                                                                                                             \

  57.         }                                                                                                                       \

  58.     }

  59. 

  60. CARLA_BACKEND_START_NAMESPACE

  61. 

  62. // -------------------------------------------------------------------

  63. // Fallback data

  64. 

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

  66. 

  67. #ifdef HAVE_LIBLO

  68. // -------------------------------------------------------------------

  69. 

  70. class CarlaThreadDSSIUI : public CarlaThread

  71. {

  72. public:

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

  74.         : CarlaThread("CarlaThreadDSSIUI"),

  75.           kEngine(engine),

  76.           kPlugin(plugin),

  77.           fBinary(),

  78.           fLabel(),

  79.           fOscData(oscData),

  80.           fProcess(),

  81.           leakDetector_CarlaThreadDSSIUI() {}

  82. 

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

  84.     {

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

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

  87.         CARLA_SAFE_ASSERT(! isThreadRunning());

  88. 

  89.         fBinary = binary;

  90.         fLabel  = label;

  91. 

  92.         if (fLabel.isEmpty())

  93.             fLabel = "\"\"";

  94.     }

  95. 

  96.     uintptr_t getProcessPID() const noexcept

  97.     {

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

  99. 

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

  101.     }

  102. 

  103.     void run()

  104.     {

  105.         if (fProcess == nullptr)

  106.         {

  107.             fProcess = new ChildProcess();

  108.         }

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

  110.         {

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

  112. 

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

  114.             fProcess->kill();

  115.             fProcess = nullptr;

  116.             return;

  117.         }

  118. 

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

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

  121. 

  122.         if (name.isEmpty())

  123.             name = "(none)";

  124. 

  125.         if (filename.isEmpty())

  126.             filename = "\"\"";

  127. 

  128.         StringArray arguments;

  129. 

  130.         // binary

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

  132. 

  133.         // osc-url

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

  135. 

  136.         // filename

  137.         arguments.add(filename);

  138. 

  139.         // label

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

  141. 

  142.         // ui-title

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

  144. 

  145.         bool started;

  146. 

  147.         {

  148. #ifdef CARLA_OS_LINUX

  149.             /*

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

  151.              * If not, unset LD_PRELOAD.

  152.              */

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

  154. 

  155.             // for CARLA_ENGINE_OPTION_FRONTEND_WIN_ID

  156.             char winIdStr[STR_MAX+1];

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

  158. 

  159.             // for LD_PRELOAD

  160.             CarlaString ldPreloadValue;

  161. 

  162.             if (winId != 0)

  163.             {

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

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

  166.             }

  167. 

  168.             const ScopedEngineEnvironmentLocker _seel(kEngine);

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

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

  171. #endif // CARLA_OS_LINUX

  172. 

  173.             // start the DSSI UI application

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

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

  176.         }

  177. 

  178.         if (! started)

  179.         {

  180.             carla_stdout("failed!");

  181.             fProcess = nullptr;

  182.             return;

  183.         }

  184. 

  185.         if (waitForOscGuiShow())

  186.         {

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

  188.                 carla_sleep(1);

  189. 

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

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

  192.             {

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

  194. 

  195.                 if (fProcess->isRunning())

  196.                 {

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

  198.                     fProcess->kill();

  199.                 }

  200.                 else

  201.                 {

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

  203.                 }

  204.             }

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

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

  207.             else

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

  209. 

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

  211.         }

  212.         else

  213.         {

  214.             fProcess->kill();

  215. 

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

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

  218.         }

  219. 

  220.         carla_stdout("DSSI UI finished");

  221.         fProcess = nullptr;

  222.     }

  223. 

  224. private:

  225.     CarlaEngine* const kEngine;

  226.     CarlaPlugin* const kPlugin;

  227. 

  228.     CarlaString fBinary;

  229.     CarlaString fLabel;

  230. 

  231.     const CarlaOscData&         fOscData;

  232.     ScopedPointer<ChildProcess> fProcess;

  233. 

  234.     bool waitForOscGuiShow()

  235.     {

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

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

  238. 

  239.         // wait for UI 'update' call

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

  241.         {

  242.             if (fOscData.target != nullptr)

  243.             {

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

  245.                 osc_send_show(fOscData);

  246.                 return true;

  247.             }

  248. 

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

  250.                 carla_msleep(100);

  251.             else

  252.                 return false;

  253.         }

  254. 

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

  256.         return false;

  257.     }

  258. 

  259.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaThreadDSSIUI)

  260. };

  261. #endif

  262. 

  263. // -----------------------------------------------------

  264. 

  265. class CarlaPluginDSSI : public CarlaPlugin

  266. {

  267. public:

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

  269.         : CarlaPlugin(engine, id),

  270.           fHandles(),

  271.           fDescriptor(nullptr),

  272.           fDssiDescriptor(nullptr),

  273.           fAudioInBuffers(nullptr),

  274.           fAudioOutBuffers(nullptr),

  275.           fExtraStereoBuffer(),

  276.           fParamBuffers(nullptr),

  277.           fLatencyIndex(-1),

  278.           fForcedStereoIn(false),

  279.           fForcedStereoOut(false),

  280.           fIsDssiVst(false),

  281.           fUsesCustomData(false),

  282. #ifdef HAVE_LIBLO

  283.           fOscData(),

  284.           fThreadUI(engine, this, fOscData),

  285.           fUiFilename(nullptr),

  286. #endif

  287.           leakDetector_CarlaPluginDSSI()

  288.     {

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

  290. 

  291.         carla_zeroPointers(fExtraStereoBuffer, 2);

  292.     }

  293. 

  294.     ~CarlaPluginDSSI() noexcept override

  295.     {

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

  297. 

  298. #ifdef HAVE_LIBLO

  299.         // close UI

  300.         if (pData->hints & PLUGIN_HAS_CUSTOM_UI)

  301.         {

  302.             showCustomUI(false);

  303. 

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

  305.         }

  306. #endif

  307. 

  308.         pData->singleMutex.lock();

  309.         pData->masterMutex.lock();

  310. 

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

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

  313. 

  314.         if (pData->active)

  315.         {

  316.             deactivate();

  317.             pData->active = false;

  318.         }

  319. 

  320.         if (fDescriptor != nullptr)

  321.         {

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

  323.             {

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

  325.                 {

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

  327.                     CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  328. 

  329.                     try {

  330.                         fDescriptor->cleanup(handle);

  331.                     } CARLA_SAFE_EXCEPTION("LADSPA cleanup");

  332.                 }

  333.             }

  334. 

  335.             fHandles.clear();

  336.             fDescriptor = nullptr;

  337.             fDssiDescriptor = nullptr;

  338.         }

  339. 

  340. #ifdef HAVE_LIBLO

  341.         if (fUiFilename != nullptr)

  342.         {

  343.             delete[] fUiFilename;

  344.             fUiFilename = nullptr;

  345.         }

  346. #endif

  347. 

  348.         clearBuffers();

  349.     }

  350. 

  351.     // -------------------------------------------------------------------

  352.     // Information (base)

  353. 

  354.     PluginType getType() const noexcept override

  355.     {

  356.         return PLUGIN_DSSI;

  357.     }

  358. 

  359.     PluginCategory getCategory() const noexcept override

  360.     {

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

  362. 

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

  364.             return PLUGIN_CATEGORY_SYNTH;

  365. 

  366.         return CarlaPlugin::getCategory();

  367.     }

  368. 

  369.     int64_t getUniqueId() const noexcept override

  370.     {

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

  372. 

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

  374.     }

  375. 

  376.     // -------------------------------------------------------------------

  377.     // Information (count)

  378. 

  379.     // nothing

  380. 

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

  382.     // Information (current data)

  383. 

  384. #if 0

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

  386.     {

  387.         CARLA_SAFE_ASSERT_RETURN(fUsesCustomData, 0);

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

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

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

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

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

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

  394. 

  395.         *dataPtr = nullptr;

  396. 

  397.         int ret = 0;

  398.         ulong dataSize = 0;

  399. 

  400.         try {

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

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

  403. 

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

  405.     }

  406. #endif

  407. 

  408.     // -------------------------------------------------------------------

  409.     // Information (per-plugin data)

  410. 

  411.     uint getOptionsAvailable() const noexcept override

  412.     {

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

  414. 

  415.         uint options = 0x0;

  416. 

  417.         if (! fIsDssiVst)

  418.         {

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

  420.             if (fLatencyIndex == -1)

  421.                 options |= PLUGIN_OPTION_FIXED_BUFFERS;

  422. 

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

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

  425.                 pass();

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

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

  428.                 options |= PLUGIN_OPTION_FORCE_STEREO;

  429.         }

  430. 

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

  432.             options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  433. 

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

  435.         {

  436.             options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  437.             options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  438.             options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  439.             options |= PLUGIN_OPTION_SEND_PITCHBEND;

  440.             options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  441.         }

  442. 

  443.         if (fUsesCustomData)

  444.             options |= PLUGIN_OPTION_USE_CHUNKS;

  445. 

  446.         return options;

  447.     }

  448. 

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

  450.     {

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

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

  453. 

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

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

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

  457. 

  458.         // not output, should be fine

  459.         return fParamBuffers[parameterId];

  460.     }

  461. 

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

  463.     {

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

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

  466. 

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

  468.     }

  469. 

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

  471.     {

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

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

  474. 

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

  476.     }

  477. 

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

  479.     {

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

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

  482. 

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

  484.     }

  485. 

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

  487.     {

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

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

  490. 

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

  492.     }

  493. 

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

  495.     {

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

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

  498. 

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

  500. 

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

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

  503. 

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

  505.             return;

  506. 

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

  508.     }

  509. 

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

  511.     {

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

  513. 

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

  515. 

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

  517. 

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

  519.             return;

  520. 

  521.         nullStrBuf(strBuf);

  522.     }

  523. 

  524.     // -------------------------------------------------------------------

  525.     // Set data (state)

  526. 

  527.     // nothing

  528. 

  529.     // -------------------------------------------------------------------

  530.     // Set data (internal stuff)

  531. 

  532.     void setId(const uint newId) noexcept

  533.     {

  534.         CarlaPlugin::setId(newId);

  535. 

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

  537.         // FIXME - must be RT safe

  538.         showCustomUI(false);

  539.     }

  540. 

  541.     // -------------------------------------------------------------------

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

  543. 

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

  545.     {

  546.         CARLA_SAFE_ASSERT_RETURN(fParamBuffers != nullptr,);

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

  548. 

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

  550.         fParamBuffers[parameterId] = fixedValue;

  551. 

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

  553.     }

  554. 

  555. #if 0

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

  557.     {

  558.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

  559.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

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

  562.         CARLA_SAFE_ASSERT_RETURN(value != nullptr,);

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

  564. 

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

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

  567. 

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

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

  570. 

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

  572.         {

  573.             try {

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

  575.             } catch(...) {}

  576. 

  577.             if (fHandle2 != nullptr)

  578.             {

  579.                 try {

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

  581.                 } catch(...) {}

  582.             }

  583.         }

  584. 

  585. #ifdef HAVE_LIBLO

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

  587.             osc_send_configure(fOscData, key, value);

  588. #endif

  589. 

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

  591.         {

  592.             const ScopedSingleProcessLocker spl(this, true);

  593.             reloadPrograms(false);

  594.         }

  595. 

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

  597.     }

  598. 

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

  600.     {

  601.         CARLA_SAFE_ASSERT_RETURN(fUsesCustomData,);

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

  603.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

  605.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  606.         CARLA_SAFE_ASSERT_RETURN(fHandle2 == nullptr,);

  607.         CARLA_SAFE_ASSERT_RETURN(data != nullptr,);

  608.         CARLA_SAFE_ASSERT_RETURN(dataSize > 0,);

  609. 

  610.         {

  611.             const ScopedSingleProcessLocker spl(this, true);

  612. 

  613.             try {

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

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

  616.         }

  617. 

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

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

  620. #else

  621.         const bool sendOsc(false);

  622. #endif

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

  624.     }

  625. 

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

  627.     {

  628.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

  630.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  632. 

  633.         if (index >= 0)

  634.         {

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

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

  637. 

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

  639. 

  640.             try {

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

  642.             } catch(...) {}

  643. 

  644.             if (fHandle2 != nullptr)

  645.             {

  646.                 try {

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

  648.                 } catch(...) {}

  649.             }

  650.         }

  651. 

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

  653.     }

  654. #endif

  655. 

  656. #ifdef HAVE_LIBLO

  657.     // -------------------------------------------------------------------

  658.     // Set ui stuff

  659. 

  660.     void showCustomUI(const bool yesNo) override

  661.     {

  662.         if (yesNo)

  663.         {

  664.             fOscData.clear();

  665.             fThreadUI.startThread();

  666.         }

  667.         else

  668.         {

  669.             pData->transientTryCounter = 0;

  670. 

  671.             if (fOscData.target != nullptr)

  672.             {

  673.                 osc_send_hide(fOscData);

  674.                 osc_send_quit(fOscData);

  675.                 fOscData.clear();

  676.             }

  677. 

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

  679.         }

  680.     }

  681. #endif

  682. 

  683. #if 0 // TODO

  684.     void idle() override

  685.     {

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

  687.         {

  688.             fLatencyChanged = false;

  689. 

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

  691. 

  692.             if (latency >= 0)

  693.             {

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

  695. 

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

  697.                 {

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

  699. 

  700.                     const ScopedSingleProcessLocker sspl(this, true);

  701. 

  702.                     pData->latency = ulatency;

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

  704. #ifndef BUILD_BRIDGE

  705.                     pData->recreateLatencyBuffers();

  706. #endif

  707.                 }

  708.             }

  709.             else

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

  711.         }

  712. 

  713.         CarlaPlugin::idle();

  714.     }

  715. #endif

  716. 

  717.     // -------------------------------------------------------------------

  718.     // Plugin state

  719. 

  720.     void reload() override

  721.     {

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

  723.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  724.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

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

  727. 

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

  729. 

  730.         // Safely disable plugin for reload

  731.         const ScopedDisabler sd(this);

  732. 

  733.         if (pData->active)

  734.             deactivate();

  735. 

  736.         clearBuffers();

  737. 

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

  739.         const uint32_t portCount(getSafePortCount());

  740. 

  741.         uint32_t aIns, aOuts, mIns, params;

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

  743. 

  744.         bool forcedStereoIn, forcedStereoOut;

  745.         forcedStereoIn = forcedStereoOut = false;

  746. 

  747.         bool needsCtrlIn, needsCtrlOut;

  748.         needsCtrlIn = needsCtrlOut = false;

  749. 

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

  751.         {

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

  753. 

  754.             if (LADSPA_IS_PORT_AUDIO(portType))

  755.             {

  756.                 if (LADSPA_IS_PORT_INPUT(portType))

  757.                     aIns += 1;

  758.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  759.                     aOuts += 1;

  760.             }

  761.             else if (LADSPA_IS_PORT_CONTROL(portType))

  762.                 params += 1;

  763.         }

  764. 

  765.         if (pData->options & PLUGIN_OPTION_FORCE_STEREO)

  766.         {

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

  768.             {

  769.                 if (aIns == 1)

  770.                 {

  771.                     aIns = 2;

  772.                     forcedStereoIn = true;

  773.                 }

  774.                 if (aOuts == 1)

  775.                 {

  776.                     aOuts = 2;

  777.                     forcedStereoOut = true;

  778.                 }

  779.             }

  780.         }

  781. 

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

  783.         {

  784.             mIns = 1;

  785.             needsCtrlIn = true;

  786.         }

  787. 

  788.         if (aIns > 0)

  789.         {

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

  791.             fAudioInBuffers = new float*[aIns];

  792. 

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

  794.                 fAudioInBuffers[i] = nullptr;

  795.         }

  796. 

  797.         if (aOuts > 0)

  798.         {

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

  800.             fAudioOutBuffers = new float*[aOuts];

  801.             needsCtrlIn = true;

  802. 

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

  804.                 fAudioOutBuffers[i] = nullptr;

  805.         }

  806. 

  807.         if (params > 0)

  808.         {

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

  810. 

  811.             fParamBuffers = new float[params];

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

  813.         }

  814. 

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

  816.         CarlaString portName;

  817. 

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

  819.         {

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

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

  822. 

  823.             if (LADSPA_IS_PORT_AUDIO(portType))

  824.             {

  825.                 portName.clear();

  826. 

  827.                 if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  828.                 {

  829.                     portName  = pData->name;

  830.                     portName += ":";

  831.                 }

  832. 

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

  834.                 {

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

  836.                 }

  837.                 else

  838.                 {

  839.                     if (LADSPA_IS_PORT_INPUT(portType))

  840.                     {

  841.                         if (aIns > 1)

  842.                         {

  843.                             portName += "audio-in_";

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

  845.                         }

  846.                         else

  847.                             portName += "audio-in";

  848.                     }

  849.                     else

  850.                     {

  851.                         if (aOuts > 1)

  852.                         {

  853.                             portName += "audio-out_";

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

  855.                         }

  856.                         else

  857.                             portName += "audio-out";

  858.                     }

  859.                 }

  860. 

  861.                 portName.truncate(portNameSize);

  862. 

  863.                 if (LADSPA_IS_PORT_INPUT(portType))

  864.                 {

  865.                     const uint32_t j = iAudioIn++;

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

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

  868. 

  869.                     if (forcedStereoIn)

  870.                     {

  871.                         portName += "_2";

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

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

  874.                     }

  875.                 }

  876.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  877.                 {

  878.                     const uint32_t j = iAudioOut++;

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

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

  881. 

  882.                     if (forcedStereoOut)

  883.                     {

  884.                         portName += "_2";

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

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

  887.                     }

  888.                 }

  889.                 else

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

  891.             }

  892.             else if (LADSPA_IS_PORT_CONTROL(portType))

  893.             {

  894.                 const uint32_t j = iCtrl++;

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

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

  897. 

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

  899. 

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

  901. 

  902.                 // min value

  903.                 if (LADSPA_IS_HINT_BOUNDED_BELOW(portRangeHints.HintDescriptor))

  904.                     min = portRangeHints.LowerBound;

  905.                 else

  906.                     min = 0.0f;

  907. 

  908.                 // max value

  909.                 if (LADSPA_IS_HINT_BOUNDED_ABOVE(portRangeHints.HintDescriptor))

  910.                     max = portRangeHints.UpperBound;

  911.                 else

  912.                     max = 1.0f;

  913. 

  914.                 if (min > max)

  915.                 {

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

  917.                     min = max - 0.1f;

  918.                 }

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

  920.                 {

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

  922.                     max = min + 0.1f;

  923.                 }

  924. 

  925.                 // default value

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

  927. 

  928.                 if (def < min)

  929.                     def = min;

  930.                 else if (def > max)

  931.                     def = max;

  932. 

  933.                 if (LADSPA_IS_HINT_SAMPLE_RATE(portRangeHints.HintDescriptor))

  934.                 {

  935.                     min *= sampleRate;

  936.                     max *= sampleRate;

  937.                     def *= sampleRate;

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

  939.                 }

  940. 

  941.                 if (LADSPA_IS_HINT_TOGGLED(portRangeHints.HintDescriptor))

  942.                 {

  943.                     step = max - min;

  944.                     stepSmall = step;

  945.                     stepLarge = step;

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

  947.                 }

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

  949.                 {

  950.                     step = 1.0f;

  951.                     stepSmall = 1.0f;

  952.                     stepLarge = 10.0f;

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

  954.                 }

  955.                 else

  956.                 {

  957.                     const float range = max - min;

  958.                     step = range/100.0f;

  959.                     stepSmall = range/1000.0f;

  960.                     stepLarge = range/10.0f;

  961.                 }

  962. 

  963.                 if (LADSPA_IS_PORT_INPUT(portType))

  964.                 {

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

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

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

  968.                     needsCtrlIn = true;

  969. 

  970.                     // MIDI CC value

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

  972.                     {

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

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

  975.                         {

  976.                             int16_t cc = DSSI_CC_NUMBER(controller);

  977.                             if (! MIDI_IS_CONTROL_BANK_SELECT(cc))

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

  979.                         }

  980.                     }

  981.                 }

  982.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  983.                 {

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

  985. 

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

  987.                     {

  988.                         min = 0.0f;

  989.                         max = sampleRate;

  990.                         def = 0.0f;

  991.                         step = 1.0f;

  992.                         stepSmall = 1.0f;

  993.                         stepLarge = 1.0f;

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

  995.                         CARLA_SAFE_ASSERT(fLatencyIndex == -1);

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

  997.                     }

  998.                     else

  999.                     {

  1000.                         pData->param.data[j].hints |= PARAMETER_IS_ENABLED;

  1001.                         pData->param.data[j].hints |= PARAMETER_IS_AUTOMABLE;

  1002.                         needsCtrlOut = true;

  1003.                     }

  1004.                 }

  1005.                 else

  1006.                 {

  1007.                     carla_stderr2("WARNING - Got a broken Port (Control, but not input or output)");

  1008.                 }

  1009. 

  1010.                 // extra parameter hints

  1011.                 if (LADSPA_IS_HINT_LOGARITHMIC(portRangeHints.HintDescriptor))

  1012.                     pData->param.data[j].hints |= PARAMETER_IS_LOGARITHMIC;

  1013. 

  1014.                 pData->param.ranges[j].min = min;

  1015.                 pData->param.ranges[j].max = max;

  1016.                 pData->param.ranges[j].def = def;

  1017.                 pData->param.ranges[j].step = step;

  1018.                 pData->param.ranges[j].stepSmall = stepSmall;

  1019.                 pData->param.ranges[j].stepLarge = stepLarge;

  1020. 

  1021.                 // Start parameters in their default values

  1022.                 fParamBuffers[j] = def;

  1023. 

  1024.                 for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  1025.                 {

  1026.                     LADSPA_Handle const handle(it.getValue(nullptr));

  1027.                     CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1028. 

  1029.                     try {

  1030.                         fDescriptor->connect_port(handle, i, &fParamBuffers[j]);

  1031.                     } CARLA_SAFE_EXCEPTION("DSSI connect_port (parameter)");

  1032.                 }

  1033.             }

  1034.             else

  1035.             {

  1036.                 // Not Audio or Control

  1037.                 carla_stderr2("ERROR - Got a broken Port (neither Audio or Control)");

  1038. 

  1039.                 for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  1040.                 {

  1041.                     LADSPA_Handle const handle(it.getValue(nullptr));

  1042.                     CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1043. 

  1044.                     try {

  1045.                         fDescriptor->connect_port(handle, i, nullptr);

  1046.                     } CARLA_SAFE_EXCEPTION("DSSI connect_port (null)");

  1047.                 }

  1048.             }

  1049.         }

  1050. 

  1051.         if (needsCtrlIn)

  1052.         {

  1053.             portName.clear();

  1054. 

  1055.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1056.             {

  1057.                 portName  = pData->name;

  1058.                 portName += ":";

  1059.             }

  1060. 

  1061.             portName += "events-in";

  1062.             portName.truncate(portNameSize);

  1063. 

  1064.             pData->event.portIn = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, true, 0);

  1065.         }

  1066. 

  1067.         if (needsCtrlOut)

  1068.         {

  1069.             portName.clear();

  1070. 

  1071.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1072.             {

  1073.                 portName  = pData->name;

  1074.                 portName += ":";

  1075.             }

  1076. 

  1077.             portName += "events-out";

  1078.             portName.truncate(portNameSize);

  1079. 

  1080.             pData->event.portOut = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, false, 0);

  1081.         }

  1082. 

  1083.         if (forcedStereoIn || forcedStereoOut)

  1084.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  1085.         else

  1086.             pData->options &= ~PLUGIN_OPTION_FORCE_STEREO;

  1087. 

  1088.         // plugin hints

  1089.         pData->hints = 0x0;

  1090. 

  1091.         if (LADSPA_IS_HARD_RT_CAPABLE(fDescriptor->Properties))

  1092.             pData->hints |= PLUGIN_IS_RTSAFE;

  1093. 

  1094. #ifdef HAVE_LIBLO

  1095.         if (fUiFilename != nullptr)

  1096.             pData->hints |= PLUGIN_HAS_CUSTOM_UI;

  1097. #endif

  1098. 

  1099. #ifndef BUILD_BRIDGE

  1100.         if (aOuts > 0 && (aIns == aOuts || aIns == 1))

  1101.             pData->hints |= PLUGIN_CAN_DRYWET;

  1102. 

  1103.         if (aOuts > 0)

  1104.             pData->hints |= PLUGIN_CAN_VOLUME;

  1105. 

  1106.         if (aOuts >= 2 && aOuts % 2 == 0)

  1107.             pData->hints |= PLUGIN_CAN_BALANCE;

  1108. #endif

  1109. 

  1110.         // extra plugin hints

  1111.         pData->extraHints = 0x0;

  1112. 

  1113.         if (mIns > 0)

  1114.             pData->extraHints |= PLUGIN_EXTRA_HINT_HAS_MIDI_IN;

  1115. 

  1116.         if (aIns <= 2 && aOuts <= 2 && (aIns == aOuts || aIns == 0 || aOuts == 0))

  1117.             pData->extraHints |= PLUGIN_EXTRA_HINT_CAN_RUN_RACK;

  1118. 

  1119. #if 0 // TODO

  1120.         // check latency

  1121.         if (fLatencyIndex >= 0)

  1122.         {

  1123.             // we need to pre-run the plugin so it can update its latency control-port

  1124. 

  1125.             float tmpIn [(aIns > 0)  ? aIns  : 1][2];

  1126.             float tmpOut[(aOuts > 0) ? aOuts : 1][2];

  1127. 

  1128.             for (uint32_t j=0; j < aIns; ++j)

  1129.             {

  1130.                 tmpIn[j][0] = 0.0f;

  1131.                 tmpIn[j][1] = 0.0f;

  1132. 

  1133.                 try {

  1134.                     fDescriptor->connect_port(fHandle, pData->audioIn.ports[j].rindex, tmpIn[j]);

  1135.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port latency input");

  1136.             }

  1137. 

  1138.             for (uint32_t j=0; j < aOuts; ++j)

  1139.             {

  1140.                 tmpOut[j][0] = 0.0f;

  1141.                 tmpOut[j][1] = 0.0f;

  1142. 

  1143.                 try {

  1144.                     fDescriptor->connect_port(fHandle, pData->audioOut.ports[j].rindex, tmpOut[j]);

  1145.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port latency output");

  1146.             }

  1147. 

  1148.             if (fDescriptor->activate != nullptr)

  1149.             {

  1150.                 try {

  1151.                     fDescriptor->activate(fHandle);

  1152.                 } CARLA_SAFE_EXCEPTION("DSSI latency activate");

  1153.             }

  1154. 

  1155.             try {

  1156.                 fDescriptor->run(fHandle, 2);

  1157.             } CARLA_SAFE_EXCEPTION("DSSI latency run");

  1158. 

  1159.             if (fDescriptor->deactivate != nullptr)

  1160.             {

  1161.                 try {

  1162.                     fDescriptor->deactivate(fHandle);

  1163.                 } CARLA_SAFE_EXCEPTION("DSSI latency deactivate");

  1164.             }

  1165. 

  1166.             const int32_t latency(static_cast<int32_t>(fParamBuffers[fLatencyIndex]));

  1167. 

  1168.             if (latency >= 0)

  1169.             {

  1170.                 const uint32_t ulatency(static_cast<uint32_t>(latency));

  1171. 

  1172.                 if (pData->latency != ulatency)

  1173.                 {

  1174.                     carla_stdout("latency = %i", latency);

  1175. 

  1176.                     pData->latency = ulatency;

  1177.                     pData->client->setLatency(ulatency);

  1178. #ifndef BUILD_BRIDGE

  1179.                     pData->recreateLatencyBuffers();

  1180. #endif

  1181.                 }

  1182.             }

  1183.             else

  1184.                 carla_safe_assert_int("latency >= 0", __FILE__, __LINE__, latency);

  1185. 

  1186.             fLatencyChanged = false;

  1187.         }

  1188. #endif

  1189. 

  1190.         bufferSizeChanged(pData->engine->getBufferSize());

  1191.         reloadPrograms(true);

  1192. 

  1193.         if (pData->active)

  1194.             activate();

  1195. 

  1196.         carla_debug("CarlaPluginDSSI::reload() - end");

  1197.     }

  1198. 

  1199. #if 0

  1200.     void reloadPrograms(const bool doInit) override

  1201.     {

  1202.         carla_debug("CarlaPluginDSSI::reloadPrograms(%s)", bool2str(doInit));

  1203.         const uint32_t oldCount = pData->midiprog.count;

  1204.         const int32_t  current  = pData->midiprog.current;

  1205. 

  1206.         // Delete old programs

  1207.         pData->midiprog.clear();

  1208. 

  1209.         // Query new programs

  1210.         uint32_t newCount = 0;

  1211.         if (fDssiDescriptor->get_program != nullptr && fDssiDescriptor->select_program != nullptr)

  1212.         {

  1213.             for (; fDssiDescriptor->get_program(fHandle, newCount) != nullptr;)

  1214.                 ++newCount;

  1215.         }

  1216. 

  1217.         if (newCount > 0)

  1218.         {

  1219.             pData->midiprog.createNew(newCount);

  1220. 

  1221.             // Update data

  1222.             for (uint32_t i=0; i < newCount; ++i)

  1223.             {

  1224.                 const DSSI_Program_Descriptor* const pdesc(fDssiDescriptor->get_program(fHandle, i));

  1225.                 CARLA_SAFE_ASSERT_CONTINUE(pdesc != nullptr);

  1226.                 CARLA_SAFE_ASSERT(pdesc->Name != nullptr);

  1227. 

  1228.                 pData->midiprog.data[i].bank    = static_cast<uint32_t>(pdesc->Bank);

  1229.                 pData->midiprog.data[i].program = static_cast<uint32_t>(pdesc->Program);

  1230.                 pData->midiprog.data[i].name    = carla_strdup(pdesc->Name);

  1231.             }

  1232.         }

  1233. 

  1234. #if defined(HAVE_LIBLO) && ! defined(BUILD_BRIDGE)

  1235.         // Update OSC Names

  1236.         if (pData->engine->isOscControlRegistered() && pData->id < pData->engine->getCurrentPluginCount())

  1237.         {

  1238.             pData->engine->oscSend_control_set_midi_program_count(pData->id, newCount);

  1239. 

  1240.             for (uint32_t i=0; i < newCount; ++i)

  1241.                 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);

  1242.         }

  1243. #endif

  1244. 

  1245.         if (doInit)

  1246.         {

  1247.             if (newCount > 0)

  1248.                 setMidiProgram(0, false, false, false);

  1249.         }

  1250.         else

  1251.         {

  1252.             // Check if current program is invalid

  1253.             bool programChanged = false;

  1254. 

  1255.             if (newCount == oldCount+1)

  1256.             {

  1257.                 // one midi program added, probably created by user

  1258.                 pData->midiprog.current = static_cast<int32_t>(oldCount);

  1259.                 programChanged = true;

  1260.             }

  1261.             else if (current < 0 && newCount > 0)

  1262.             {

  1263.                 // programs exist now, but not before

  1264.                 pData->midiprog.current = 0;

  1265.                 programChanged = true;

  1266.             }

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

  1268.             {

  1269.                 // programs existed before, but not anymore

  1270.                 pData->midiprog.current = -1;

  1271.                 programChanged = true;

  1272.             }

  1273.             else if (current >= static_cast<int32_t>(newCount))

  1274.             {

  1275.                 // current midi program > count

  1276.                 pData->midiprog.current = 0;

  1277.                 programChanged = true;

  1278.             }

  1279.             else

  1280.             {

  1281.                 // no change

  1282.                 pData->midiprog.current = current;

  1283.             }

  1284. 

  1285.             if (programChanged)

  1286.                 setMidiProgram(pData->midiprog.current, true, true, true);

  1287. 

  1288.             pData->engine->callback(ENGINE_CALLBACK_RELOAD_PROGRAMS, pData->id, 0, 0, 0.0f, nullptr);

  1289.         }

  1290.     }

  1291. #endif

  1292. 

  1293.     // -------------------------------------------------------------------

  1294.     // Plugin processing

  1295. 

  1296.     void activate() noexcept override

  1297.     {

  1298.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1299. 

  1300.         if (fDescriptor->activate != nullptr)

  1301.         {

  1302.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  1303.             {

  1304.                 LADSPA_Handle const handle(it.getValue(nullptr));

  1305.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1306. 

  1307.                 try {

  1308.                     fDescriptor->activate(handle);

  1309.                 } CARLA_SAFE_EXCEPTION("DSSI activate");

  1310.             }

  1311.         }

  1312.     }

  1313. 

  1314.     void deactivate() noexcept override

  1315.     {

  1316.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1317. 

  1318.         if (fDescriptor->deactivate != nullptr)

  1319.         {

  1320.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  1321.             {

  1322.                 LADSPA_Handle const handle(it.getValue(nullptr));

  1323.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1324. 

  1325.                 try {

  1326.                     fDescriptor->deactivate(handle);

  1327.                 } CARLA_SAFE_EXCEPTION("DSSI deactivate");

  1328.             }

  1329.         }

  1330.     }

  1331. 

  1332.     void process(const float** const audioIn, float** const audioOut, const float** const, float** const, const uint32_t frames) override

  1333.     {

  1334.         // --------------------------------------------------------------------------------------------------------

  1335.         // Check if active

  1336. 

  1337.         if (! pData->active)

  1338.         {

  1339.             // disable any output sound

  1340.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1341.                 FloatVectorOperations::clear(audioOut[i], static_cast<int>(frames));

  1342.             return;

  1343.         }

  1344. 

  1345.         ulong midiEventCount = 0;

  1346.         carla_zeroStruct<snd_seq_event_t>(fMidiEvents, kPluginMaxMidiEvents);

  1347. 

  1348.         // --------------------------------------------------------------------------------------------------------

  1349.         // Check if needs reset

  1350. 

  1351.         if (pData->needsReset)

  1352.         {

  1353.             if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1354.             {

  1355.                 midiEventCount = MAX_MIDI_CHANNELS*2;

  1356. 

  1357.                 for (uchar i=0, k=MAX_MIDI_CHANNELS; i < MAX_MIDI_CHANNELS; ++i)

  1358.                 {

  1359.                     fMidiEvents[i].type = SND_SEQ_EVENT_CONTROLLER;

  1360.                     fMidiEvents[i].data.control.channel = i;

  1361.                     fMidiEvents[i].data.control.param   = MIDI_CONTROL_ALL_NOTES_OFF;

  1362. 

  1363.                     fMidiEvents[k+i].type = SND_SEQ_EVENT_CONTROLLER;

  1364.                     fMidiEvents[k+i].data.control.channel = i;

  1365.                     fMidiEvents[k+i].data.control.param   = MIDI_CONTROL_ALL_SOUND_OFF;

  1366.                 }

  1367.             }

  1368.             else if (pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1369.             {

  1370.                 midiEventCount = MAX_MIDI_NOTE;

  1371. 

  1372.                 for (uchar i=0; i < MAX_MIDI_NOTE; ++i)

  1373.                 {

  1374.                     fMidiEvents[i].type = SND_SEQ_EVENT_NOTEOFF;

  1375.                     fMidiEvents[i].data.note.channel = static_cast<uchar>(pData->ctrlChannel);

  1376.                     fMidiEvents[i].data.note.note    = i;

  1377.                 }

  1378.             }

  1379. 

  1380. #ifndef BUILD_BRIDGE

  1381. #if 0 // TODO

  1382.             if (pData->latency > 0)

  1383.             {

  1384.                 for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1385.                     FloatVectorOperations::clear(pData->latencyBuffers[i], static_cast<int>(pData->latency));

  1386.             }

  1387. #endif

  1388. #endif

  1389. 

  1390.             pData->needsReset = false;

  1391.         }

  1392. 

  1393.         // --------------------------------------------------------------------------------------------------------

  1394.         // Event Input and Processing

  1395. 

  1396.         if (pData->event.portIn != nullptr)

  1397.         {

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

  1399.             // MIDI Input (External)

  1400. 

  1401.             if (pData->extNotes.mutex.tryLock())

  1402.             {

  1403.                 ExternalMidiNote note = { 0, 0, 0 };

  1404. 

  1405.                 for (; midiEventCount < kPluginMaxMidiEvents && ! pData->extNotes.data.isEmpty();)

  1406.                 {

  1407.                     note = pData->extNotes.data.getFirst(note, true);

  1408. 

  1409.                     CARLA_SAFE_ASSERT_CONTINUE(note.channel >= 0 && note.channel < MAX_MIDI_CHANNELS);

  1410. 

  1411.                     snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1412. 

  1413.                     seqEvent.type               = (note.velo > 0) ? SND_SEQ_EVENT_NOTEON : SND_SEQ_EVENT_NOTEOFF;

  1414.                     seqEvent.data.note.channel  = static_cast<uchar>(note.channel);

  1415.                     seqEvent.data.note.note     = note.note;

  1416.                     seqEvent.data.note.velocity = note.velo;

  1417.                 }

  1418. 

  1419.                 pData->extNotes.mutex.unlock();

  1420. 

  1421.             } // End of MIDI Input (External)

  1422. 

  1423.             // ----------------------------------------------------------------------------------------------------

  1424.             // Event Input (System)

  1425. 

  1426. #ifndef BUILD_BRIDGE

  1427.             bool       allNotesOffSent  = false;

  1428. #endif

  1429.             const bool isSampleAccurate = (pData->options & PLUGIN_OPTION_FIXED_BUFFERS) == 0;

  1430. 

  1431.             uint32_t startTime  = 0;

  1432.             uint32_t timeOffset = 0;

  1433.             uint32_t nextBankId;

  1434. 

  1435.             if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1436.                 nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1437.             else

  1438.                 nextBankId = 0;

  1439. 

  1440.             for (uint32_t i=0, numEvents=pData->event.portIn->getEventCount(); i < numEvents; ++i)

  1441.             {

  1442.                 const EngineEvent& event(pData->event.portIn->getEvent(i));

  1443. 

  1444.                 if (event.time >= frames)

  1445.                     continue;

  1446. 

  1447.                 CARLA_ASSERT_INT2(event.time >= timeOffset, event.time, timeOffset);

  1448. 

  1449.                 if (isSampleAccurate && event.time > timeOffset)

  1450.                 {

  1451.                     if (processSingle(audioIn, audioOut, event.time - timeOffset, timeOffset, midiEventCount))

  1452.                     {

  1453.                         startTime  = 0;

  1454.                         timeOffset = event.time;

  1455.                         midiEventCount = 0;

  1456. 

  1457.                         if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1458.                             nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1459.                         else

  1460.                             nextBankId = 0;

  1461.                     }

  1462.                     else

  1463.                         startTime += timeOffset;

  1464.                 }

  1465. 

  1466.                 switch (event.type)

  1467.                 {

  1468.                 case kEngineEventTypeNull:

  1469.                     break;

  1470. 

  1471.                 case kEngineEventTypeControl: {

  1472.                     const EngineControlEvent& ctrlEvent(event.ctrl);

  1473. 

  1474.                     switch (ctrlEvent.type)

  1475.                     {

  1476.                     case kEngineControlEventTypeNull:

  1477.                         break;

  1478. 

  1479.                     case kEngineControlEventTypeParameter: {

  1480. #ifndef BUILD_BRIDGE

  1481.                         // Control backend stuff

  1482.                         if (event.channel == pData->ctrlChannel)

  1483.                         {

  1484.                             float value;

  1485. 

  1486.                             if (MIDI_IS_CONTROL_BREATH_CONTROLLER(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_DRYWET) != 0)

  1487.                             {

  1488.                                 value = ctrlEvent.value;

  1489.                                 setDryWet(value, false, false);

  1490.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_DRYWET, 0, value);

  1491.                                 break;

  1492.                             }

  1493. 

  1494.                             if (MIDI_IS_CONTROL_CHANNEL_VOLUME(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_VOLUME) != 0)

  1495.                             {

  1496.                                 value = ctrlEvent.value*127.0f/100.0f;

  1497.                                 setVolume(value, false, false);

  1498.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_VOLUME, 0, value);

  1499.                                 break;

  1500.                             }

  1501. 

  1502.                             if (MIDI_IS_CONTROL_BALANCE(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_BALANCE) != 0)

  1503.                             {

  1504.                                 float left, right;

  1505.                                 value = ctrlEvent.value/0.5f - 1.0f;

  1506. 

  1507.                                 if (value < 0.0f)

  1508.                                 {

  1509.                                     left  = -1.0f;

  1510.                                     right = (value*2.0f)+1.0f;

  1511.                                 }

  1512.                                 else if (value > 0.0f)

  1513.                                 {

  1514.                                     left  = (value*2.0f)-1.0f;

  1515.                                     right = 1.0f;

  1516.                                 }

  1517.                                 else

  1518.                                 {

  1519.                                     left  = -1.0f;

  1520.                                     right = 1.0f;

  1521.                                 }

  1522. 

  1523.                                 setBalanceLeft(left, false, false);

  1524.                                 setBalanceRight(right, false, false);

  1525.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_LEFT, 0, left);

  1526.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_RIGHT, 0, right);

  1527.                                 break;

  1528.                             }

  1529.                         }

  1530. #endif

  1531.                         // Control plugin parameters

  1532.                         uint32_t k;

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

  1534.                         {

  1535.                             if (pData->param.data[k].midiChannel != event.channel)

  1536.                                 continue;

  1537.                             if (pData->param.data[k].midiCC != ctrlEvent.param)

  1538.                                 continue;

  1539.                             if (pData->param.data[k].type != PARAMETER_INPUT)

  1540.                                 continue;

  1541.                             if ((pData->param.data[k].hints & PARAMETER_IS_AUTOMABLE) == 0)

  1542.                                 continue;

  1543. 

  1544.                             float value;

  1545. 

  1546.                             if (pData->param.data[k].hints & PARAMETER_IS_BOOLEAN)

  1547.                             {

  1548.                                 value = (ctrlEvent.value < 0.5f) ? pData->param.ranges[k].min : pData->param.ranges[k].max;

  1549.                             }

  1550.                             else

  1551.                             {

  1552.                                 value = pData->param.ranges[k].getUnnormalizedValue(ctrlEvent.value);

  1553. 

  1554.                                 if (pData->param.data[k].hints & PARAMETER_IS_INTEGER)

  1555.                                     value = std::rint(value);

  1556.                             }

  1557. 

  1558.                             setParameterValue(k, value, false, false, false);

  1559.                             pData->postponeRtEvent(kPluginPostRtEventParameterChange, static_cast<int32_t>(k), 0, value);

  1560.                             break;

  1561.                         }

  1562. 

  1563.                         // check if event is already handled

  1564.                         if (k != pData->param.count)

  1565.                             break;

  1566. 

  1567.                         if ((pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0 && ctrlEvent.param < MAX_MIDI_CONTROL)

  1568.                         {

  1569.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1570.                                 continue;

  1571. 

  1572.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1573. 

  1574.                             seqEvent.time.tick = isSampleAccurate ? startTime : event.time;

  1575. 

  1576.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1577.                             seqEvent.data.control.channel = event.channel;

  1578.                             seqEvent.data.control.param   = ctrlEvent.param;

  1579.                             seqEvent.data.control.value   = int8_t(ctrlEvent.value*127.0f);

  1580.                         }

  1581.                         break;

  1582.                     } // case kEngineControlEventTypeParameter

  1583. 

  1584.                     case kEngineControlEventTypeMidiBank:

  1585.                         if (event.channel == pData->ctrlChannel && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1586.                             nextBankId = ctrlEvent.param;

  1587.                         break;

  1588. 

  1589.                     case kEngineControlEventTypeMidiProgram:

  1590.                         if (event.channel == pData->ctrlChannel && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1591.                         {

  1592.                             const uint32_t nextProgramId = ctrlEvent.param;

  1593. 

  1594.                             for (uint32_t k=0; k < pData->midiprog.count; ++k)

  1595.                             {

  1596.                                 if (pData->midiprog.data[k].bank == nextBankId && pData->midiprog.data[k].program == nextProgramId)

  1597.                                 {

  1598.                                     const int32_t index(static_cast<int32_t>(k));

  1599.                                     setMidiProgram(index, false, false, false);

  1600.                                     pData->postponeRtEvent(kPluginPostRtEventMidiProgramChange, index, 0, 0.0f);

  1601.                                     break;

  1602.                                 }

  1603.                             }

  1604.                         }

  1605.                         break;

  1606. 

  1607.                     case kEngineControlEventTypeAllSoundOff:

  1608.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1609.                         {

  1610.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1611.                                 continue;

  1612. 

  1613.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1614. 

  1615.                             seqEvent.time.tick = isSampleAccurate ? startTime : event.time;

  1616. 

  1617.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1618.                             seqEvent.data.control.channel = event.channel;

  1619.                             seqEvent.data.control.param   = MIDI_CONTROL_ALL_SOUND_OFF;

  1620.                         }

  1621.                         break;

  1622. 

  1623.                     case kEngineControlEventTypeAllNotesOff:

  1624.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1625.                         {

  1626. #ifndef BUILD_BRIDGE

  1627.                             if (event.channel == pData->ctrlChannel && ! allNotesOffSent)

  1628.                             {

  1629.                                 allNotesOffSent = true;

  1630.                                 sendMidiAllNotesOffToCallback();

  1631.                             }

  1632. #endif

  1633. 

  1634.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1635.                                 continue;

  1636. 

  1637.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1638. 

  1639.                             seqEvent.time.tick = isSampleAccurate ? startTime : event.time;

  1640. 

  1641.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

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

  1643.                             seqEvent.data.control.param   = MIDI_CONTROL_ALL_NOTES_OFF;

  1644.                         }

  1645.                         break;

  1646.                     } // switch (ctrlEvent.type)

  1647.                     break;

  1648.                 } // case kEngineEventTypeControl

  1649. 

  1650.                 case kEngineEventTypeMidi: {

  1651.                     if (midiEventCount >= kPluginMaxMidiEvents)

  1652.                         continue;

  1653. 

  1654.                     const EngineMidiEvent& midiEvent(event.midi);

  1655. 

  1656.                     if (midiEvent.size > EngineMidiEvent::kDataSize)

  1657.                         continue;

  1658. 

  1659.                     uint8_t status = uint8_t(MIDI_GET_STATUS_FROM_DATA(midiEvent.data));

  1660. 

  1661.                     // Fix bad note-off (per DSSI spec)

  1662.                     if (status == MIDI_STATUS_NOTE_ON && midiEvent.data[2] == 0)

  1663.                         status = MIDI_STATUS_NOTE_OFF;

  1664. 

  1665.                     snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1666. 

  1667.                     seqEvent.time.tick = isSampleAccurate ? startTime : event.time;

  1668. 

  1669.                     switch (status)

  1670.                     {

  1671.                     case MIDI_STATUS_NOTE_OFF: {

  1672.                         const uint8_t note = midiEvent.data[1];

  1673. 

  1674.                         seqEvent.type = SND_SEQ_EVENT_NOTEOFF;

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

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

  1677. 

  1678.                         pData->postponeRtEvent(kPluginPostRtEventNoteOff, event.channel, note, 0.0f);

  1679.                         break;

  1680.                     }

  1681. 

  1682.                     case MIDI_STATUS_NOTE_ON: {

  1683.                         const uint8_t note = midiEvent.data[1];

  1684.                         const uint8_t velo = midiEvent.data[2];

  1685. 

  1686.                         seqEvent.type = SND_SEQ_EVENT_NOTEON;

  1687.                         seqEvent.data.note.channel  = event.channel;

  1688.                         seqEvent.data.note.note     = note;

  1689.                         seqEvent.data.note.velocity = velo;

  1690. 

  1691.                         pData->postponeRtEvent(kPluginPostRtEventNoteOn, event.channel, note, velo);

  1692.                         break;

  1693.                     }

  1694. 

  1695.                     case MIDI_STATUS_POLYPHONIC_AFTERTOUCH:

  1696.                         if (pData->options & PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH)

  1697.                         {

  1698.                             const uint8_t note     = midiEvent.data[1];

  1699.                             const uint8_t pressure = midiEvent.data[2];

  1700. 

  1701.                             seqEvent.type = SND_SEQ_EVENT_KEYPRESS;

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

  1703.                             seqEvent.data.note.note     = note;

  1704.                             seqEvent.data.note.velocity = pressure;

  1705.                         }

  1706.                         break;

  1707. 

  1708.                     case MIDI_STATUS_CONTROL_CHANGE:

  1709.                         if (pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES)

  1710.                         {

  1711.                             const uint8_t control = midiEvent.data[1];

  1712.                             const uint8_t value   = midiEvent.data[2];

  1713. 

  1714.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

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

  1716.                             seqEvent.data.control.param   = control;

  1717.                             seqEvent.data.control.value   = value;

  1718.                         }

  1719.                         break;

  1720. 

  1721.                     case MIDI_STATUS_CHANNEL_PRESSURE:

  1722.                         if (pData->options & PLUGIN_OPTION_SEND_CHANNEL_PRESSURE)

  1723.                         {

  1724.                             const uint8_t pressure = midiEvent.data[1];

  1725. 

  1726.                             seqEvent.type = SND_SEQ_EVENT_CHANPRESS;

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

  1728.                             seqEvent.data.control.value   = pressure;

  1729.                         }

  1730.                         break;

  1731. 

  1732.                     case MIDI_STATUS_PITCH_WHEEL_CONTROL:

  1733.                         if (pData->options & PLUGIN_OPTION_SEND_PITCHBEND)

  1734.                         {

  1735.                             const uint8_t lsb = midiEvent.data[1];

  1736.                             const uint8_t msb = midiEvent.data[2];

  1737. 

  1738.                             seqEvent.type = SND_SEQ_EVENT_PITCHBEND;

  1739.                             seqEvent.data.control.channel = event.channel;

  1740.                             seqEvent.data.control.value   = ((msb << 7) | lsb) - 8192;

  1741.                         }

  1742.                         break;

  1743. 

  1744.                     default:

  1745.                         --midiEventCount;

  1746.                         break;

  1747.                     } // switch (status)

  1748.                 } break;

  1749.                 } // switch (event.type)

  1750.             }

  1751. 

  1752.             pData->postRtEvents.trySplice();

  1753. 

  1754.             if (frames > timeOffset)

  1755.                 processSingle(audioIn, audioOut, frames - timeOffset, timeOffset, midiEventCount);

  1756. 

  1757.         } // End of Event Input and Processing

  1758. 

  1759.         // --------------------------------------------------------------------------------------------------------

  1760.         // Plugin processing (no events)

  1761. 

  1762.         else

  1763.         {

  1764.             processSingle(audioIn, audioOut, frames, 0, midiEventCount);

  1765. 

  1766.         } // End of Plugin processing (no events)

  1767. 

  1768. #ifndef BUILD_BRIDGE

  1769. #if 0 // TODO

  1770.         // --------------------------------------------------------------------------------------------------------

  1771.         // Latency, save values for next callback

  1772. 

  1773.         if (fLatencyIndex != -1)

  1774.         {

  1775.             if (pData->latency != static_cast<uint32_t>(fParamBuffers[fLatencyIndex]))

  1776.             {

  1777.                 fLatencyChanged = true;

  1778.             }

  1779.             else if (pData->latency > 0)

  1780.             {

  1781.                 if (pData->latency <= frames)

  1782.                 {

  1783.                     for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1784.                         FloatVectorOperations::copy(pData->latencyBuffers[i], audioIn[i]+(frames-pData->latency), static_cast<int>(pData->latency));

  1785.                 }

  1786.                 else

  1787.                 {

  1788.                     for (uint32_t i=0, j, k; i < pData->audioIn.count; ++i)

  1789.                     {

  1790.                         for (k=0; k < pData->latency-frames; ++k)

  1791.                             pData->latencyBuffers[i][k] = pData->latencyBuffers[i][k+frames];

  1792.                         for (j=0; k < pData->latency; ++j, ++k)

  1793.                             pData->latencyBuffers[i][k] = audioIn[i][j];

  1794.                     }

  1795.                 }

  1796.             }

  1797.         }

  1798. #endif

  1799. 

  1800.         // --------------------------------------------------------------------------------------------------------

  1801.         // Control Output

  1802. 

  1803.         if (pData->event.portOut != nullptr)

  1804.         {

  1805.             uint8_t  channel;

  1806.             uint16_t param;

  1807.             float    value;

  1808. 

  1809.             for (uint32_t k=0; k < pData->param.count; ++k)

  1810.             {

  1811.                 if (pData->param.data[k].type != PARAMETER_OUTPUT)

  1812.                     continue;

  1813. 

  1814.                 pData->param.ranges[k].fixValue(fParamBuffers[k]);

  1815. 

  1816.                 if (pData->param.data[k].midiCC > 0)

  1817.                 {

  1818.                     channel = pData->param.data[k].midiChannel;

  1819.                     param   = static_cast<uint16_t>(pData->param.data[k].midiCC);

  1820.                     value   = pData->param.ranges[k].getNormalizedValue(fParamBuffers[k]);

  1821.                     pData->event.portOut->writeControlEvent(0, channel, kEngineControlEventTypeParameter, param, value);

  1822.                 }

  1823.             }

  1824.         } // End of Control Output

  1825. #endif

  1826.     }

  1827. 

  1828.     bool processSingle(const float** const audioIn, float** const audioOut, const uint32_t frames,

  1829.                        const uint32_t timeOffset, const ulong midiEventCount)

  1830.     {

  1831.         CARLA_SAFE_ASSERT_RETURN(frames > 0, false);

  1832. 

  1833.         if (pData->audioIn.count > 0)

  1834.         {

  1835.             CARLA_SAFE_ASSERT_RETURN(audioIn != nullptr, false);

  1836.         }

  1837.         if (pData->audioOut.count > 0)

  1838.         {

  1839.             CARLA_SAFE_ASSERT_RETURN(audioOut != nullptr, false);

  1840.         }

  1841. 

  1842.         // --------------------------------------------------------------------------------------------------------

  1843.         // Try lock, silence otherwise

  1844. 

  1845.         if (pData->engine->isOffline())

  1846.         {

  1847.             pData->singleMutex.lock();

  1848.         }

  1849.         else if (! pData->singleMutex.tryLock())

  1850.         {

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

  1852.             {

  1853.                 for (uint32_t k=0; k < frames; ++k)

  1854.                     audioOut[i][k+timeOffset] = 0.0f;

  1855.             }

  1856. 

  1857.             return false;

  1858.         }

  1859. 

  1860.         const int iframes(static_cast<int>(frames));

  1861. 

  1862.         // --------------------------------------------------------------------------------------------------------

  1863.         // Handle needsReset

  1864. 

  1865.         if (pData->needsReset)

  1866.         {

  1867.             if (pData->latency.frames > 0)

  1868.             {

  1869.                 for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1870.                     FloatVectorOperations::clear(pData->latency.buffers[i], static_cast<int>(pData->latency.frames));

  1871.             }

  1872. 

  1873.             pData->needsReset = false;

  1874.         }

  1875. 

  1876.         // --------------------------------------------------------------------------------------------------------

  1877.         // Set audio buffers

  1878. 

  1879.         const bool customMonoOut   = pData->audioOut.count == 2 && fForcedStereoOut && ! fForcedStereoIn;

  1880.         const bool customStereoOut = pData->audioOut.count == 2 && fForcedStereoIn  && ! fForcedStereoOut;

  1881. 

  1882.         if (! customMonoOut)

  1883.         {

  1884.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1885.                 FloatVectorOperations::clear(fAudioOutBuffers[i], iframes);

  1886.         }

  1887. 

  1888.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1889.             FloatVectorOperations::copy(fAudioInBuffers[i], audioIn[i]+timeOffset, iframes);

  1890. 

  1891.         // --------------------------------------------------------------------------------------------------------

  1892.         // Run plugin

  1893. 

  1894.         uint instn = 0;

  1895.         for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next(), ++instn)

  1896.         {

  1897.             LADSPA_Handle const handle(it.getValue(nullptr));

  1898.             CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1899. 

  1900.             // ----------------------------------------------------------------------------------------------------

  1901.             // Mixdown for forced stereo

  1902. 

  1903.             if (customMonoOut)

  1904.                 FloatVectorOperations::clear(fAudioOutBuffers[instn], iframes);

  1905. 

  1906.             // ----------------------------------------------------------------------------------------------------

  1907.             // Run it

  1908. 

  1909.             if (fDssiDescriptor->run_synth != nullptr)

  1910.             {

  1911.                 try {

  1912.                     fDssiDescriptor->run_synth(handle, frames, fMidiEvents, midiEventCount);

  1913.                 } CARLA_SAFE_EXCEPTION("DSSI run_synth");

  1914.             }

  1915.             else

  1916.             {

  1917.                 try {

  1918.                     fDescriptor->run(handle, frames);

  1919.                 } CARLA_SAFE_EXCEPTION("DSSI run");

  1920.             }

  1921. 

  1922.             // ----------------------------------------------------------------------------------------------------

  1923.             // Mixdown for forced stereo

  1924. 

  1925.             if (customMonoOut)

  1926.                 FloatVectorOperations::multiply(fAudioOutBuffers[instn], 0.5f, iframes);

  1927.             else if (customStereoOut)

  1928.                 FloatVectorOperations::copy(fExtraStereoBuffer[instn], fAudioOutBuffers[instn], iframes);

  1929.         }

  1930. 

  1931.         // --------------------------------------------------------------------------------------------------------

  1932.         // Run plugin

  1933. 

  1934. #ifndef BUILD_BRIDGE

  1935.         // --------------------------------------------------------------------------------------------------------

  1936.         // Post-processing (dry/wet, volume and balance)

  1937. 

  1938.         {

  1939.             const bool doDryWet  = (pData->hints & PLUGIN_CAN_DRYWET) != 0 && ! carla_compareFloats(pData->postProc.dryWet, 1.0f);

  1940.             const bool doBalance = (pData->hints & PLUGIN_CAN_BALANCE) != 0 && ! (carla_compareFloats(pData->postProc.balanceLeft, -1.0f) && carla_compareFloats(pData->postProc.balanceRight, 1.0f));

  1941.             const bool isMono    = (pData->audioIn.count == 1);

  1942. 

  1943.             bool isPair;

  1944.             float bufValue, oldBufLeft[doBalance ? frames : 1];

  1945. 

  1946.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1947.             {

  1948.                 // Dry/Wet

  1949.                 if (doDryWet)

  1950.                 {

  1951.                     for (uint32_t k=0; k < frames; ++k)

  1952.                     {

  1953. #if 0 // TODO

  1954.                         if (k < pData->latency)

  1955.                             bufValue = pData->latencyBuffers[isMono ? 0 : i][k];

  1956.                         else if (pData->latency < frames)

  1957.                             bufValue = fAudioInBuffers[isMono ? 0 : i][k-pData->latency];

  1958.                         else

  1959. #endif

  1960.                             bufValue = fAudioInBuffers[isMono ? 0 : i][k];

  1961. 

  1962.                         fAudioOutBuffers[i][k] = (fAudioOutBuffers[i][k] * pData->postProc.dryWet) + (bufValue * (1.0f - pData->postProc.dryWet));

  1963.                     }

  1964.                 }

  1965. 

  1966.                 // Balance

  1967.                 if (doBalance)

  1968.                 {

  1969.                     isPair = (i % 2 == 0);

  1970. 

  1971.                     if (isPair)

  1972.                     {

  1973.                         CARLA_ASSERT(i+1 < pData->audioOut.count);

  1974.                         FloatVectorOperations::copy(oldBufLeft, fAudioOutBuffers[i], static_cast<int>(frames));

  1975.                     }

  1976. 

  1977.                     float balRangeL = (pData->postProc.balanceLeft  + 1.0f)/2.0f;

  1978.                     float balRangeR = (pData->postProc.balanceRight + 1.0f)/2.0f;

  1979. 

  1980.                     for (uint32_t k=0; k < frames; ++k)

  1981.                     {

  1982.                         if (isPair)

  1983.                         {

  1984.                             // left

  1985.                             fAudioOutBuffers[i][k]  = oldBufLeft[k]            * (1.0f - balRangeL);

  1986.                             fAudioOutBuffers[i][k] += fAudioOutBuffers[i+1][k] * (1.0f - balRangeR);

  1987.                         }

  1988.                         else

  1989.                         {

  1990.                             // right

  1991.                             fAudioOutBuffers[i][k]  = fAudioOutBuffers[i][k] * balRangeR;

  1992.                             fAudioOutBuffers[i][k] += oldBufLeft[k]          * balRangeL;

  1993.                         }

  1994.                     }

  1995.                 }

  1996. 

  1997.                 // Volume (and buffer copy)

  1998.                 {

  1999.                     for (uint32_t k=0; k < frames; ++k)

  2000.                         audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k] * pData->postProc.volume;

  2001.                 }

  2002.             }

  2003. 

  2004.         } // End of Post-processing

  2005. 

  2006. #else // BUILD_BRIDGE

  2007.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2008.         {

  2009.             for (uint32_t k=0; k < frames; ++k)

  2010.                 audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k];

  2011.         }

  2012. #endif

  2013. 

  2014. #if 0

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

  2016.         {

  2017.             for (uint32_t k=0; k < frames; ++k)

  2018.                 cvOut[i][k+timeOffset] = fCvOutBuffers[i][k];

  2019.         }

  2020. #endif

  2021. 

  2022.         // --------------------------------------------------------------------------------------------------------

  2023. 

  2024.         pData->singleMutex.unlock();

  2025.         return true;

  2026.     }

  2027. 

  2028.     void bufferSizeChanged(const uint32_t newBufferSize) override

  2029.     {

  2030.         CARLA_ASSERT_INT(newBufferSize > 0, newBufferSize);

  2031.         carla_debug("CarlaPluginDSSI::bufferSizeChanged(%i) - start", newBufferSize);

  2032. 

  2033.         const int iBufferSize(static_cast<int>(newBufferSize));

  2034. 

  2035.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2036.         {

  2037.             if (fAudioInBuffers[i] != nullptr)

  2038.                 delete[] fAudioInBuffers[i];

  2039. 

  2040.             fAudioInBuffers[i] = new float[newBufferSize];

  2041.             FloatVectorOperations::clear(fAudioInBuffers[i], iBufferSize);

  2042.         }

  2043. 

  2044.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2045.         {

  2046.             if (fAudioOutBuffers[i] != nullptr)

  2047.                 delete[] fAudioOutBuffers[i];

  2048. 

  2049.             fAudioOutBuffers[i] = new float[newBufferSize];

  2050.             FloatVectorOperations::clear(fAudioOutBuffers[i], iBufferSize);

  2051.         }

  2052. 

  2053.         if (fExtraStereoBuffer[0] != nullptr)

  2054.         {

  2055.             delete[] fExtraStereoBuffer[0];

  2056.             fExtraStereoBuffer[0] = nullptr;

  2057.         }

  2058. 

  2059.         if (fExtraStereoBuffer[1] != nullptr)

  2060.         {

  2061.             delete[] fExtraStereoBuffer[1];

  2062.             fExtraStereoBuffer[1] = nullptr;

  2063.         }

  2064. 

  2065.         if (fForcedStereoIn && pData->audioOut.count == 2)

  2066.         {

  2067.             fExtraStereoBuffer[0] = new float[newBufferSize];

  2068.             fExtraStereoBuffer[1] = new float[newBufferSize];

  2069.             FloatVectorOperations::clear(fExtraStereoBuffer[0], iBufferSize);

  2070.             FloatVectorOperations::clear(fExtraStereoBuffer[1], iBufferSize);

  2071.         }

  2072. 

  2073.         reconnectAudioPorts();

  2074. 

  2075.         carla_debug("CarlaPluginDSSI::bufferSizeChanged(%i) - end", newBufferSize);

  2076.     }

  2077. 

  2078.     void sampleRateChanged(const double newSampleRate) override

  2079.     {

  2080.         CARLA_ASSERT_INT(newSampleRate > 0.0, newSampleRate);

  2081.         carla_debug("CarlaPluginDSSI::sampleRateChanged(%g) - start", newSampleRate);

  2082. 

  2083.         // TODO - handle UI stuff

  2084. 

  2085.         if (pData->active)

  2086.             deactivate();

  2087. 

  2088.         const std::size_t instanceCount(fHandles.count());

  2089. 

  2090.         if (fDescriptor->cleanup == nullptr)

  2091.         {

  2092.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  2093.             {

  2094.                 LADSPA_Handle const handle(it.getValue(nullptr));

  2095.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  2096. 

  2097.                 try {

  2098.                     fDescriptor->cleanup(handle);

  2099.                 } CARLA_SAFE_EXCEPTION("LADSPA cleanup");

  2100.             }

  2101.         }

  2102. 

  2103.         fHandles.clear();

  2104. 

  2105.         for (std::size_t i=0; i<instanceCount; ++i)

  2106.             addInstance();

  2107. 

  2108.         reconnectAudioPorts();

  2109. 

  2110.         if (pData->active)

  2111.             activate();

  2112. 

  2113.         carla_debug("CarlaPluginDSSI::sampleRateChanged(%g) - end", newSampleRate);

  2114.     }

  2115. 

  2116.     void reconnectAudioPorts() const noexcept

  2117.     {

  2118.         if (fForcedStereoIn)

  2119.         {

  2120.             if (LADSPA_Handle const handle = fHandles.getAt(0, nullptr))

  2121.             {

  2122.                 try {

  2123.                     fDescriptor->connect_port(handle, pData->audioIn.ports[0].rindex, fAudioInBuffers[0]);

  2124.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port (forced stereo input)");

  2125.             }

  2126. 

  2127.             if (LADSPA_Handle const handle = fHandles.getAt(1, nullptr))

  2128.             {

  2129.                 try {

  2130.                     fDescriptor->connect_port(handle, pData->audioIn.ports[1].rindex, fAudioInBuffers[1]);

  2131.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port (forced stereo input)");

  2132.             }

  2133.         }

  2134.         else

  2135.         {

  2136.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  2137.             {

  2138.                 LADSPA_Handle const handle(it.getValue(nullptr));

  2139.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  2140. 

  2141.                 for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2142.                 {

  2143.                     try {

  2144.                         fDescriptor->connect_port(handle, pData->audioIn.ports[i].rindex, fAudioInBuffers[i]);

  2145.                     } CARLA_SAFE_EXCEPTION("DSSI connect_port (audio input)");

  2146.                 }

  2147.             }

  2148.         }

  2149. 

  2150.         if (fForcedStereoOut)

  2151.         {

  2152.             if (LADSPA_Handle const handle = fHandles.getAt(0, nullptr))

  2153.             {

  2154.                 try {

  2155.                     fDescriptor->connect_port(handle, pData->audioOut.ports[0].rindex, fAudioOutBuffers[0]);

  2156.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port (forced stereo output)");

  2157.             }

  2158. 

  2159.             if (LADSPA_Handle const handle = fHandles.getAt(1, nullptr))

  2160.             {

  2161.                 try {

  2162.                     fDescriptor->connect_port(handle, pData->audioOut.ports[1].rindex, fAudioOutBuffers[1]);

  2163.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port (forced stereo output)");

  2164.             }

  2165.         }

  2166.         else

  2167.         {

  2168.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  2169.             {

  2170.                 LADSPA_Handle const handle(it.getValue(nullptr));

  2171.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  2172. 

  2173.                 for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2174.                 {

  2175.                     try {

  2176.                         fDescriptor->connect_port(handle, pData->audioOut.ports[i].rindex, fAudioOutBuffers[i]);

  2177.                     } CARLA_SAFE_EXCEPTION("DSSI connect_port (audio output)");

  2178.                 }

  2179.             }

  2180.         }

  2181.     }

  2182. 

  2183.     // -------------------------------------------------------------------

  2184.     // Plugin buffers

  2185. 

  2186.     void clearBuffers() noexcept override

  2187.     {

  2188.         carla_debug("CarlaPluginDSSI::clearBuffers() - start");

  2189. 

  2190.         if (fAudioInBuffers != nullptr)

  2191.         {

  2192.             for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2193.             {

  2194.                 if (fAudioInBuffers[i] != nullptr)

  2195.                 {

  2196.                     delete[] fAudioInBuffers[i];

  2197.                     fAudioInBuffers[i] = nullptr;

  2198.                 }

  2199.             }

  2200. 

  2201.             delete[] fAudioInBuffers;

  2202.             fAudioInBuffers = nullptr;

  2203.         }

  2204. 

  2205.         if (fAudioOutBuffers != nullptr)

  2206.         {

  2207.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2208.             {

  2209.                 if (fAudioOutBuffers[i] != nullptr)

  2210.                 {

  2211.                     delete[] fAudioOutBuffers[i];

  2212.                     fAudioOutBuffers[i] = nullptr;

  2213.                 }

  2214.             }

  2215. 

  2216.             delete[] fAudioOutBuffers;

  2217.             fAudioOutBuffers = nullptr;

  2218.         }

  2219. 

  2220.         if (fExtraStereoBuffer[0] != nullptr)

  2221.         {

  2222.             delete[] fExtraStereoBuffer[0];

  2223.             fExtraStereoBuffer[0] = nullptr;

  2224.         }

  2225. 

  2226.         if (fExtraStereoBuffer[1] != nullptr)

  2227.         {

  2228.             delete[] fExtraStereoBuffer[1];

  2229.             fExtraStereoBuffer[1] = nullptr;

  2230.         }

  2231. 

  2232.         if (fParamBuffers != nullptr)

  2233.         {

  2234.             delete[] fParamBuffers;

  2235.             fParamBuffers = nullptr;

  2236.         }

  2237. 

  2238.         CarlaPlugin::clearBuffers();

  2239. 

  2240.         carla_debug("CarlaPluginDSSI::clearBuffers() - end");

  2241.     }

  2242. 

  2243. #ifdef HAVE_LIBLO

  2244.     // -------------------------------------------------------------------

  2245.     // OSC stuff

  2246. 

  2247.     void handleOscMessage(const char* const method, const int argc, const void* const argvx, const char* const types, const lo_message msg) override

  2248.     {

  2249.         const lo_address source(lo_message_get_source(msg));

  2250.         CARLA_SAFE_ASSERT_RETURN(source != nullptr,);

  2251. 

  2252.         // protocol for DSSI UIs *must* be UDP

  2253.         CARLA_SAFE_ASSERT_RETURN(lo_address_get_protocol(source) == LO_UDP,);

  2254. 

  2255.         if (fOscData.source == nullptr)

  2256.         {

  2257.             // if no UI is registered yet only "update" message is valid

  2258.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(method, "update") == 0,)

  2259.         }

  2260.         else

  2261.         {

  2262.             // make sure message source is the DSSI UI

  2263.             const char* const msghost = lo_address_get_hostname(source);

  2264.             const char* const msgport = lo_address_get_port(source);

  2265. 

  2266.             const char* const ourhost = lo_address_get_hostname(fOscData.source);

  2267.             const char* const ourport = lo_address_get_port(fOscData.source);

  2268. 

  2269.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(msghost, ourhost) == 0,);

  2270.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(msgport, ourport) == 0,);

  2271.         }

  2272. 

  2273.         const lo_arg* const* const argv(static_cast<const lo_arg* const* const>(argvx));

  2274. 

  2275.         if (std::strcmp(method, "configure") == 0)

  2276.             return handleOscMessageConfigure(argc, argv, types);

  2277.         if (std::strcmp(method, "control") == 0)

  2278.             return handleOscMessageControl(argc, argv, types);

  2279.         if (std::strcmp(method, "program") == 0)

  2280.             return handleOscMessageProgram(argc, argv, types);

  2281.         if (std::strcmp(method, "midi") == 0)

  2282.             return handleOscMessageMIDI(argc, argv, types);

  2283.         if (std::strcmp(method, "update") == 0)

  2284.             return handleOscMessageUpdate(argc, argv, types, lo_message_get_source(msg));

  2285.         if (std::strcmp(method, "exiting") == 0)

  2286.             return handleOscMessageExiting();

  2287. 

  2288.         carla_stdout("CarlaPluginDSSI::handleOscMessage() - unknown method '%s'", method);

  2289.     }

  2290. 

  2291.     void handleOscMessageConfigure(const int argc, const lo_arg* const* const argv, const char* const types)

  2292.     {

  2293.         carla_debug("CarlaPluginDSSI::handleMsgConfigure()");

  2294.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "ss");

  2295. 

  2296.         const char* const key   = (const char*)&argv[0]->s;

  2297.         const char* const value = (const char*)&argv[1]->s;

  2298. 

  2299.         setCustomData(CUSTOM_DATA_TYPE_STRING, key, value, false);

  2300.     }

  2301. 

  2302.     void handleOscMessageControl(const int argc, const lo_arg* const* const argv, const char* const types)

  2303.     {

  2304.         carla_debug("CarlaPluginDSSI::handleMsgControl()");

  2305.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "if");

  2306. 

  2307.         const int32_t rindex = argv[0]->i;

  2308.         const float   value  = argv[1]->f;

  2309. 

  2310.         setParameterValueByRealIndex(rindex, value, false, true, true);

  2311.     }

  2312. 

  2313.     void handleOscMessageProgram(const int argc, const lo_arg* const* const argv, const char* const types)

  2314.     {

  2315.         carla_debug("CarlaPluginDSSI::handleMsgProgram()");

  2316.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "ii");

  2317. 

  2318.         const int32_t bank    = argv[0]->i;

  2319.         const int32_t program = argv[1]->i;

  2320. 

  2321.         CARLA_SAFE_ASSERT_RETURN(bank >= 0,);

  2322.         CARLA_SAFE_ASSERT_RETURN(program >= 0,);

  2323. 

  2324.         setMidiProgramById(static_cast<uint32_t>(bank), static_cast<uint32_t>(program), false, true, true);

  2325.     }

  2326. 

  2327.     void handleOscMessageMIDI(const int argc, const lo_arg* const* const argv, const char* const types)

  2328.     {

  2329.         carla_debug("CarlaPluginDSSI::handleMsgMidi()");

  2330.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(1, "m");

  2331. 

  2332.         if (getMidiInCount() == 0)

  2333.         {

  2334.             carla_stderr("CarlaPluginDSSI::handleMsgMidi() - received midi when plugin has no midi inputs");

  2335.             return;

  2336.         }

  2337. 

  2338.         const uint8_t* const data = argv[0]->m;

  2339.         uint8_t status  = data[1];

  2340.         uint8_t channel = status & 0x0F;

  2341. 

  2342.         // Fix bad note-off

  2343.         if (MIDI_IS_STATUS_NOTE_ON(status) && data[3] == 0)

  2344.             status = MIDI_STATUS_NOTE_OFF;

  2345. 

  2346.         if (MIDI_IS_STATUS_NOTE_OFF(status))

  2347.         {

  2348.             const uint8_t note = data[2];

  2349. 

  2350.             CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2351. 

  2352.             sendMidiSingleNote(channel, note, 0, false, true, true);

  2353.         }

  2354.         else if (MIDI_IS_STATUS_NOTE_ON(status))

  2355.         {

  2356.             const uint8_t note = data[2];

  2357.             const uint8_t velo = data[3];

  2358. 

  2359.             CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2360.             CARLA_SAFE_ASSERT_RETURN(velo < MAX_MIDI_VALUE,);

  2361. 

  2362.             sendMidiSingleNote(channel, note, velo, false, true, true);

  2363.         }

  2364.     }

  2365. 

  2366.     void handleOscMessageUpdate(const int argc, const lo_arg* const* const argv, const char* const types, const lo_address source)

  2367.     {

  2368.         carla_debug("CarlaPluginDSSI::handleMsgUpdate()");

  2369.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(1, "s");

  2370. 

  2371.         const char* const url = (const char*)&argv[0]->s;

  2372. 

  2373.         // FIXME - remove debug prints later

  2374.         carla_stdout("CarlaPluginDSSI::updateOscData(%p, \"%s\")", source, url);

  2375. 

  2376.         fOscData.clear();

  2377. 

  2378.         const int proto = lo_address_get_protocol(source);

  2379. 

  2380.         {

  2381.             const char* host = lo_address_get_hostname(source);

  2382.             const char* port = lo_address_get_port(source);

  2383.             fOscData.source = lo_address_new_with_proto(proto, host, port);

  2384. 

  2385.             carla_stdout("CarlaPlugin::updateOscData() - source: host \"%s\", port \"%s\"", host, port);

  2386.         }

  2387. 

  2388.         {

  2389.             char* host = lo_url_get_hostname(url);

  2390.             char* port = lo_url_get_port(url);

  2391.             fOscData.path   = carla_strdup_free(lo_url_get_path(url));

  2392.             fOscData.target = lo_address_new_with_proto(proto, host, port);

  2393.             carla_stdout("CarlaPlugin::updateOscData() - target: host \"%s\", port \"%s\", path \"%s\"", host, port, fOscData.path);

  2394. 

  2395.             std::free(host);

  2396.             std::free(port);

  2397.         }

  2398. 

  2399.         osc_send_sample_rate(fOscData, static_cast<float>(pData->engine->getSampleRate()));

  2400. 

  2401.         for (LinkedList<CustomData>::Itenerator it = pData->custom.begin2(); it.valid(); it.next())

  2402.         {

  2403.             const CustomData& customData(it.getValue(kCustomDataFallback));

  2404.             CARLA_SAFE_ASSERT_CONTINUE(customData.isValid());

  2405. 

  2406.             if (std::strcmp(customData.type, CUSTOM_DATA_TYPE_STRING) == 0)

  2407.                 osc_send_configure(fOscData, customData.key, customData.value);

  2408.         }

  2409. 

  2410.         if (pData->prog.current >= 0)

  2411.             osc_send_program(fOscData, static_cast<uint32_t>(pData->prog.current));

  2412. 

  2413.         if (pData->midiprog.current >= 0)

  2414.         {

  2415.             const MidiProgramData& curMidiProg(pData->midiprog.getCurrent());

  2416. 

  2417.             if (getType() == PLUGIN_DSSI)

  2418.                 osc_send_program(fOscData, curMidiProg.bank, curMidiProg.program);

  2419.             else

  2420.                 osc_send_midi_program(fOscData, curMidiProg.bank, curMidiProg.program);

  2421.         }

  2422. 

  2423.         for (uint32_t i=0; i < pData->param.count; ++i)

  2424.             osc_send_control(fOscData, pData->param.data[i].rindex, getParameterValue(i));

  2425. 

  2426.         if ((pData->hints & PLUGIN_HAS_CUSTOM_UI) != 0 && pData->engine->getOptions().frontendWinId != 0)

  2427.             pData->transientTryCounter = 1;

  2428. 

  2429.         carla_stdout("CarlaPluginDSSI::updateOscData() - done");

  2430.     }

  2431. 

  2432.     void handleOscMessageExiting()

  2433.     {

  2434.         carla_debug("CarlaPluginDSSI::handleMsgExiting()");

  2435. 

  2436.         // hide UI

  2437.         showCustomUI(false);

  2438. 

  2439.         // tell frontend

  2440.         pData->engine->callback(ENGINE_CALLBACK_UI_STATE_CHANGED, pData->id, 0, 0, 0.0f, nullptr);

  2441.     }

  2442. 

  2443.     // -------------------------------------------------------------------

  2444.     // Post-poned UI Stuff

  2445. 

  2446.     void uiParameterChange(const uint32_t index, const float value) noexcept override

  2447.     {

  2448.         CARLA_SAFE_ASSERT_RETURN(index < pData->param.count,);

  2449. 

  2450.         if (fOscData.target == nullptr)

  2451.             return;

  2452. 

  2453.         osc_send_control(fOscData, pData->param.data[index].rindex, value);

  2454.     }

  2455. 

  2456.     void uiMidiProgramChange(const uint32_t index) noexcept override

  2457.     {

  2458.         CARLA_SAFE_ASSERT_RETURN(index < pData->midiprog.count,);

  2459. 

  2460.         if (fOscData.target == nullptr)

  2461.             return;

  2462. 

  2463.         osc_send_program(fOscData, pData->midiprog.data[index].bank, pData->midiprog.data[index].program);

  2464.     }

  2465. 

  2466.     void uiNoteOn(const uint8_t channel, const uint8_t note, const uint8_t velo) noexcept override

  2467.     {

  2468.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2469.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2470.         CARLA_SAFE_ASSERT_RETURN(velo > 0 && velo < MAX_MIDI_VALUE,);

  2471. 

  2472.         if (fOscData.target == nullptr)

  2473.             return;

  2474. 

  2475. #if 0

  2476.         uint8_t midiData[4];

  2477.         midiData[0] = 0;

  2478.         midiData[1] = uint8_t(MIDI_STATUS_NOTE_ON | (channel & MIDI_CHANNEL_BIT));

  2479.         midiData[2] = note;

  2480.         midiData[3] = velo;

  2481. 

  2482.         osc_send_midi(fOscData, midiData);

  2483. #endif

  2484.     }

  2485. 

  2486.     void uiNoteOff(const uint8_t channel, const uint8_t note) noexcept override

  2487.     {

  2488.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2489.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2490. 

  2491.         if (fOscData.target == nullptr)

  2492.             return;

  2493. 

  2494. #if 0

  2495.         uint8_t midiData[4];

  2496.         midiData[0] = 0;

  2497.         midiData[1] = uint8_t(MIDI_STATUS_NOTE_ON | (channel & MIDI_CHANNEL_BIT));

  2498.         midiData[2] = note;

  2499.         midiData[3] = 0;

  2500. 

  2501.         osc_send_midi(fOscData, midiData);

  2502. #endif

  2503.     }

  2504. #endif // HAVE_LIBLO

  2505. 

  2506.     // -------------------------------------------------------------------

  2507. 

  2508.     const void* getNativeDescriptor() const noexcept override

  2509.     {

  2510.         return fDssiDescriptor;

  2511.     }

  2512. 

  2513. #ifdef HAVE_LIBLO

  2514.     uintptr_t getUiBridgeProcessId() const noexcept override

  2515.     {

  2516.         return fThreadUI.getProcessPID();

  2517.     }

  2518. 

  2519.     const void* getExtraStuff() const noexcept override

  2520.     {

  2521.         return fUiFilename;

  2522.     }

  2523. #endif

  2524. 

  2525.     // -------------------------------------------------------------------

  2526. 

  2527.     bool init(const char* const filename, const char* const name, const char* const label, const uint options)

  2528.     {

  2529.         CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr, false);

  2530. 

  2531.         // ---------------------------------------------------------------

  2532.         // first checks

  2533. 

  2534.         if (pData->client != nullptr)

  2535.         {

  2536.             pData->engine->setLastError("Plugin client is already registered");

  2537.             return false;

  2538.         }

  2539. 

  2540.         if (filename == nullptr || filename[0] == '\0')

  2541.         {

  2542.             pData->engine->setLastError("null filename");

  2543.             return false;

  2544.         }

  2545. 

  2546.         if (label == nullptr || label[0] == '\0')

  2547.         {

  2548.             pData->engine->setLastError("null label");

  2549.             return false;

  2550.         }

  2551. 

  2552.         // ---------------------------------------------------------------

  2553.         // open DLL

  2554. 

  2555.         if (! pData->libOpen(filename))

  2556.         {

  2557.             pData->engine->setLastError(pData->libError(filename));

  2558.             return false;

  2559.         }

  2560. 

  2561.         // ---------------------------------------------------------------

  2562.         // get DLL main entry

  2563. 

  2564.         const DSSI_Descriptor_Function descFn = pData->libSymbol<DSSI_Descriptor_Function>("dssi_descriptor");

  2565. 

  2566.         if (descFn == nullptr)

  2567.         {

  2568.             pData->engine->setLastError("Could not find the DSSI Descriptor in the plugin library");

  2569.             return false;

  2570.         }

  2571. 

  2572.         // ---------------------------------------------------------------

  2573.         // get descriptor that matches label

  2574. 

  2575.         for (ulong d=0;; ++d)

  2576.         {

  2577.             try {

  2578.                 fDssiDescriptor = descFn(d);

  2579.             }

  2580.             catch(...) {

  2581.                 carla_stderr2("Caught exception when trying to get DSSI descriptor");

  2582.                 fDescriptor     = nullptr;

  2583.                 fDssiDescriptor = nullptr;

  2584.                 break;

  2585.             }

  2586. 

  2587.             if (fDssiDescriptor == nullptr)

  2588.                 break;

  2589. 

  2590.             fDescriptor = fDssiDescriptor->LADSPA_Plugin;

  2591. 

  2592.             if (fDescriptor == nullptr)

  2593.             {

  2594.                 carla_stderr2("WARNING - Missing LADSPA interface, will not use this plugin");

  2595.                 fDssiDescriptor = nullptr;

  2596.                 break;

  2597.             }

  2598.             if (fDescriptor->Label == nullptr || fDescriptor->Label[0] == '\0')

  2599.             {

  2600.                 carla_stderr2("WARNING - Got an invalid label, will not use this plugin");

  2601.                 fDescriptor     = nullptr;

  2602.                 fDssiDescriptor = nullptr;

  2603.                 break;

  2604.             }

  2605.             if (fDescriptor->run == nullptr)

  2606.             {

  2607.                 carla_stderr2("WARNING - Plugin has no run, cannot use it");

  2608.                 fDescriptor     = nullptr;

  2609.                 fDssiDescriptor = nullptr;

  2610.                 break;

  2611.             }

  2612. 

  2613.             if (std::strcmp(fDescriptor->Label, label) == 0)

  2614.                 break;

  2615.         }

  2616. 

  2617.         if (fDescriptor == nullptr || fDssiDescriptor == nullptr)

  2618.         {

  2619.             pData->engine->setLastError("Could not find the requested plugin label in the plugin library");

  2620.             return false;

  2621.         }

  2622. 

  2623.         // ---------------------------------------------------------------

  2624.         // check if uses global instance

  2625. 

  2626.         if (fDssiDescriptor->run_synth == nullptr && fDssiDescriptor->run_multiple_synths != nullptr)

  2627.         {

  2628.             pData->engine->setLastError("This plugin requires run_multiple_synths which is not supported");

  2629.             return false;

  2630.         }

  2631. 

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

  2633.         // get info

  2634. 

  2635.         if (name != nullptr && name[0] != '\0')

  2636.             pData->name = pData->engine->getUniquePluginName(name);

  2637.         else if (fDescriptor->Name != nullptr && fDescriptor->Name[0] != '\0')

  2638.             pData->name = pData->engine->getUniquePluginName(fDescriptor->Name);

  2639.         else

  2640.             pData->name = pData->engine->getUniquePluginName(fDescriptor->Label);

  2641. 

  2642.         pData->filename = carla_strdup(filename);

  2643. 

  2644.         // ---------------------------------------------------------------

  2645.         // register client

  2646. 

  2647.         pData->client = pData->engine->addClient(this);

  2648. 

  2649.         if (pData->client == nullptr || ! pData->client->isOk())

  2650.         {

  2651.             pData->engine->setLastError("Failed to register plugin client");

  2652.             return false;

  2653.         }

  2654. 

  2655.         // ---------------------------------------------------------------

  2656.         // initialize plugin

  2657. 

  2658.         if (! addInstance())

  2659.             return false;

  2660. 

  2661.         // ---------------------------------------------------------------

  2662.         // find latency port index

  2663. 

  2664.         for (uint32_t i=0, iCtrl=0, count=getSafePortCount(); i<count; ++i)

  2665.         {

  2666.             const int portType(fDescriptor->PortDescriptors[i]);

  2667. 

  2668.             if (! LADSPA_IS_PORT_CONTROL(portType))

  2669.                 continue;

  2670. 

  2671.             const uint32_t index(iCtrl++);

  2672. 

  2673.             if (! LADSPA_IS_PORT_OUTPUT(portType))

  2674.                 continue;

  2675. 

  2676.             const char* const portName(fDescriptor->PortNames[i]);

  2677.             CARLA_SAFE_ASSERT_BREAK(portName != nullptr);

  2678. 

  2679.             if (std::strcmp(portName, "latency")  == 0 ||

  2680.                 std::strcmp(portName, "_latency") == 0)

  2681.             {

  2682.                 fLatencyIndex = static_cast<int32_t>(index);

  2683.                 break;

  2684.             }

  2685.         }

  2686. 

  2687.         // ---------------------------------------------------------------

  2688.         // check for custom data extension

  2689. 

  2690.         if (fDssiDescriptor->configure != nullptr)

  2691.         {

  2692.             if (char* const error = fDssiDescriptor->configure(fHandles.getFirst(nullptr), DSSI_CUSTOMDATA_EXTENSION_KEY, ""))

  2693.             {

  2694.                 if (std::strcmp(error, "true") == 0 && fDssiDescriptor->get_custom_data != nullptr

  2695.                                                     && fDssiDescriptor->set_custom_data != nullptr)

  2696.                     fUsesCustomData = true;

  2697. 

  2698.                 std::free(error);

  2699.             }

  2700.         }

  2701. 

  2702.         // ---------------------------------------------------------------

  2703.         // check if this is dssi-vst

  2704. 

  2705.         fIsDssiVst = CarlaString(filename).contains("dssi-vst", true);

  2706. 

  2707. #ifdef HAVE_LIBLO

  2708.         // ---------------------------------------------------------------

  2709.         // check for gui

  2710. 

  2711.         if (const char* const guiFilename = find_dssi_ui(filename, fDescriptor->Label))

  2712.         {

  2713.             fUiFilename = guiFilename;

  2714.             fThreadUI.setData(guiFilename, fDescriptor->Label);

  2715.         }

  2716. #endif

  2717. 

  2718.         // ---------------------------------------------------------------

  2719.         // set default options

  2720. 

  2721.         pData->options = 0x0;

  2722. 

  2723.         /**/ if (fLatencyIndex >= 0 || fIsDssiVst)

  2724.             pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;

  2725.          else if (options & PLUGIN_OPTION_FIXED_BUFFERS)

  2726.             pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;

  2727. 

  2728.         /**/ if (pData->engine->getOptions().forceStereo)

  2729.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  2730.          else if (options & PLUGIN_OPTION_FORCE_STEREO)

  2731.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  2732. 

  2733.         if (fUsesCustomData)

  2734.             pData->options |= PLUGIN_OPTION_USE_CHUNKS;

  2735. 

  2736.         if (fDssiDescriptor->run_synth != nullptr)

  2737.         {

  2738.             pData->options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  2739.             pData->options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  2740.             pData->options |= PLUGIN_OPTION_SEND_PITCHBEND;

  2741.             pData->options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  2742. 

  2743.             if (fDssiDescriptor->get_program != nullptr && fDssiDescriptor->select_program != nullptr)

  2744.                 pData->options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  2745.         }

  2746. 

  2747.         return true;

  2748.     }

  2749. 

  2750.     // -------------------------------------------------------------------

  2751. 

  2752. private:

  2753.     LinkedList<LADSPA_Handle> fHandles;

  2754.     const LADSPA_Descriptor*  fDescriptor;

  2755.     const DSSI_Descriptor*    fDssiDescriptor;

  2756. 

  2757.     float** fAudioInBuffers;

  2758.     float** fAudioOutBuffers;

  2759.     float*  fExtraStereoBuffer[2]; // used only if forcedStereoIn and audioOut == 2

  2760.     float*  fParamBuffers;

  2761. 

  2762.     snd_seq_event_t fMidiEvents[kPluginMaxMidiEvents];

  2763. 

  2764.     int32_t fLatencyIndex; // -1 if invalid

  2765.     bool    fForcedStereoIn;

  2766.     bool    fForcedStereoOut;

  2767.     bool    fIsDssiVst;

  2768.     bool    fUsesCustomData;

  2769. 

  2770. #ifdef HAVE_LIBLO

  2771.     CarlaOscData      fOscData;

  2772.     CarlaThreadDSSIUI fThreadUI;

  2773.     const char*       fUiFilename;

  2774. #endif

  2775. 

  2776.     // -------------------------------------------------------------------

  2777. 

  2778.     bool addInstance()

  2779.     {

  2780.         LADSPA_Handle handle;

  2781. 

  2782.         try {

  2783.             handle = fDescriptor->instantiate(fDescriptor, static_cast<ulong>(pData->engine->getSampleRate()));

  2784.         } CARLA_SAFE_EXCEPTION_RETURN_ERR("LADSPA instantiate", "Plugin failed to initialize");

  2785. 

  2786.         for (uint32_t i=0, count=pData->param.count; i<count; ++i)

  2787.         {

  2788.             const int32_t rindex(pData->param.data[i].rindex);

  2789.             CARLA_SAFE_ASSERT_CONTINUE(rindex >= 0);

  2790. 

  2791.             try {

  2792.                 fDescriptor->connect_port(handle, static_cast<ulong>(rindex), &fParamBuffers[i]);

  2793.             } CARLA_SAFE_EXCEPTION("LADSPA connect_port");

  2794.         }

  2795. 

  2796.         if (fHandles.append(handle))

  2797.             return true;

  2798. 

  2799.         try {

  2800.             fDescriptor->cleanup(handle);

  2801.         } CARLA_SAFE_EXCEPTION("LADSPA cleanup");

  2802. 

  2803.         pData->engine->setLastError("Out of memory");

  2804.         return false;

  2805.     }

  2806. 

  2807.     uint32_t getSafePortCount() const noexcept

  2808.     {

  2809.         if (fDescriptor->PortCount == 0)

  2810.             return 0;

  2811. 

  2812.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortDescriptors != nullptr, 0);

  2813.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortRangeHints != nullptr, 0);

  2814.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortNames != nullptr, 0);

  2815. 

  2816.         return static_cast<uint32_t>(fDescriptor->PortCount);

  2817.     }

  2818. 

  2819.     bool getSeparatedParameterNameOrUnit(const char* const paramName, char* const strBuf, const bool wantName) const noexcept

  2820.     {

  2821.         if (_getSeparatedParameterNameOrUnitImpl(paramName, strBuf, wantName, true))

  2822.             return true;

  2823.         if (_getSeparatedParameterNameOrUnitImpl(paramName, strBuf, wantName, false))

  2824.             return true;

  2825.         return false;

  2826.     }

  2827. 

  2828.     static bool _getSeparatedParameterNameOrUnitImpl(const char* const paramName, char* const strBuf,

  2829.                                                      const bool wantName, const bool useBracket) noexcept

  2830.     {

  2831.         const char* const sepBracketStart(std::strstr(paramName, useBracket ? " [" : " ("));

  2832. 

  2833.         if (sepBracketStart == nullptr)

  2834.             return false;

  2835. 

  2836.         const char* const sepBracketEnd(std::strstr(sepBracketStart, useBracket ? "]" : ")"));

  2837. 

  2838.         if (sepBracketEnd == nullptr)

  2839.             return false;

  2840. 

  2841.         const std::size_t unitSize(static_cast<std::size_t>(sepBracketEnd-sepBracketStart-2));

  2842. 

  2843.         if (unitSize > 7) // very unlikely to have such big unit

  2844.             return false;

  2845. 

  2846.         const std::size_t sepIndex(std::strlen(paramName)-unitSize-3);

  2847. 

  2848.         // just in case

  2849.         if (sepIndex+2 >= STR_MAX)

  2850.             return false;

  2851. 

  2852.         if (wantName)

  2853.         {

  2854.             std::strncpy(strBuf, paramName, sepIndex);

  2855.             strBuf[sepIndex] = '\0';

  2856.         }

  2857.         else

  2858.         {

  2859.             std::strncpy(strBuf, paramName+(sepIndex+2), unitSize);

  2860.             strBuf[unitSize] = '\0';

  2861.         }

  2862. 

  2863.         return true;

  2864.     }

  2865. 

  2866.     // -------------------------------------------------------------------

  2867. 

  2868.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaPluginDSSI)

  2869. };

  2870. 

  2871. // -------------------------------------------------------------------------------------------------------------------

  2872. 

  2873. CarlaPlugin* CarlaPlugin::newDSSI(const Initializer& init)

  2874. {

  2875.     carla_debug("CarlaPlugin::newDSSI({%p, \"%s\", \"%s\", \"%s\", " P_INT64 ", %x})",

  2876.                 init.engine, init.filename, init.name, init.label, init.uniqueId, init.options);

  2877. 

  2878.     init.engine->setLastError("TODO");

  2879.     return nullptr;

  2880. 

  2881.     CarlaPluginDSSI* const plugin(new CarlaPluginDSSI(init.engine, init.id));

  2882. 

  2883.     if (! plugin->init(init.filename, init.name, init.label, init.options))

  2884.     {

  2885.         delete plugin;

  2886.         return nullptr;

  2887.     }

  2888. 

  2889.     return plugin;

  2890. }

  2891. 

  2892. // -------------------------------------------------------------------------------------------------------------------

  2893. 

  2894. CARLA_BACKEND_END_NAMESPACE