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Carla/source/backend/plugin/DssiPlugin.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. #include "CarlaPluginInternal.hpp"

  19. #include "CarlaEngine.hpp"

  20. 

  21. #ifdef WANT_DSSI

  22. 

  23. #include "CarlaDssiUtils.hpp"

  24. 

  25. #include "CarlaBase64Utils.hpp"

  26. #include "CarlaMathUtils.hpp"

  27. 

  28. CARLA_BACKEND_START_NAMESPACE

  29. 

  30. // -----------------------------------------------------

  31. 

  32. class DssiPlugin : public CarlaPlugin

  33. {

  34. public:

  35.     DssiPlugin(CarlaEngine* const engine, const uint id) noexcept

  36.         : CarlaPlugin(engine, id),

  37.           fHandle(nullptr),

  38.           fHandle2(nullptr),

  39.           fDescriptor(nullptr),

  40.           fDssiDescriptor(nullptr),

  41.           fUsesCustomData(false),

  42.           fUiFilename(nullptr),

  43.           fAudioInBuffers(nullptr),

  44.           fAudioOutBuffers(nullptr),

  45.           fParamBuffers(nullptr),

  46.           fLatencyChanged(false),

  47.           fLatencyIndex(-1)

  48.     {

  49.         carla_debug("DssiPlugin::DssiPlugin(%p, %i)", engine, id);

  50. 

  51.         pData->osc.thread.setMode(CarlaPluginThread::PLUGIN_THREAD_DSSI_GUI);

  52.     }

  53. 

  54.     ~DssiPlugin() noexcept override

  55.     {

  56.         carla_debug("DssiPlugin::~DssiPlugin()");

  57. 

  58.         // close UI

  59.         if (pData->hints & PLUGIN_HAS_CUSTOM_UI)

  60.         {

  61.             showCustomUI(false);

  62. 

  63.             pData->osc.thread.stopThread(static_cast<int>(pData->engine->getOptions().uiBridgesTimeout * 2));

  64.         }

  65. 

  66.         pData->singleMutex.lock();

  67.         pData->masterMutex.lock();

  68. 

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

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

  71. 

  72.         if (pData->active)

  73.         {

  74.             deactivate();

  75.             pData->active = false;

  76.         }

  77. 

  78.         if (fDescriptor != nullptr)

  79.         {

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

  81.                 removeUniqueMultiSynth(fDescriptor->Label);

  82. 

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

  84.             {

  85.                 if (fHandle != nullptr)

  86.                 {

  87.                     try {

  88.                         fDescriptor->cleanup(fHandle);

  89.                     } CARLA_SAFE_EXCEPTION("DSSI cleanup");

  90.                 }

  91. 

  92.                 if (fHandle2 != nullptr)

  93.                 {

  94.                     try {

  95.                         fDescriptor->cleanup(fHandle2);

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

  97.                 }

  98.             }

  99. 

  100.             fHandle  = nullptr;

  101.             fHandle2 = nullptr;

  102.             fDescriptor = nullptr;

  103.             fDssiDescriptor = nullptr;

  104.         }

  105. 

  106.         if (fUiFilename != nullptr)

  107.         {

  108.             delete[] fUiFilename;

  109.             fUiFilename = nullptr;

  110.         }

  111. 

  112.         clearBuffers();

  113.     }

  114. 

  115.     // -------------------------------------------------------------------

  116.     // Information (base)

  117. 

  118.     PluginType getType() const noexcept override

  119.     {

  120.         return PLUGIN_DSSI;

  121.     }

  122. 

  123.     PluginCategory getCategory() const noexcept override

  124.     {

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

  126. 

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

  128.             return PLUGIN_CATEGORY_SYNTH;

  129. 

  130.         return CarlaPlugin::getCategory();

  131.     }

  132. 

  133.     int64_t getUniqueId() const noexcept override

  134.     {

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

  136. 

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

  138.     }

  139. 

  140.     // -------------------------------------------------------------------

  141.     // Information (count)

  142. 

  143.     // nothing

  144. 

  145.     // -------------------------------------------------------------------

  146.     // Information (current data)

  147. 

  148.     int32_t getChunkData(void** const dataPtr) const noexcept override

  149.     {

  150.         CARLA_SAFE_ASSERT_RETURN(fUsesCustomData, 0);

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

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

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

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

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

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

  157. 

  158.         *dataPtr = nullptr;

  159. 

  160.         int ret = 0;

  161.         ulong dataSize = 0;

  162. 

  163.         try {

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

  165.         } CARLA_SAFE_EXCEPTION_RETURN("DssiPlugin::getChunkData", 0);

  166. 

  167.         return (ret != 0) ? static_cast<int32_t>(dataSize) : 0;

  168.     }

  169. 

  170.     // -------------------------------------------------------------------

  171.     // Information (per-plugin data)

  172. 

  173.     uint getOptionsAvailable() const noexcept override

  174.     {

  175. #ifdef __USE_GNU

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

  177. #else

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

  179. #endif

  180. 

  181.         uint options = 0x0;

  182. 

  183.         options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  184. 

  185.         if (! isDssiVst)

  186.         {

  187.             if (fLatencyIndex == -1)

  188.                 options |= PLUGIN_OPTION_FIXED_BUFFERS;

  189. 

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

  191.             {

  192.                 if (pData->options & PLUGIN_OPTION_FORCE_STEREO)

  193.                     options |= PLUGIN_OPTION_FORCE_STEREO;

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

  195.                     options |= PLUGIN_OPTION_FORCE_STEREO;

  196.             }

  197.         }

  198. 

  199.         if (fUsesCustomData)

  200.             options |= PLUGIN_OPTION_USE_CHUNKS;

  201. 

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

  203.         {

  204.             options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  205.             options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  206.             options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  207.             options |= PLUGIN_OPTION_SEND_PITCHBEND;

  208.             options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  209.         }

  210. 

  211.         return options;

  212.     }

  213. 

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

  215.     {

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

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

  218. 

  219.         return fParamBuffers[parameterId];

  220.     }

  221. 

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

  223.     {

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

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

  226. 

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

  228.     }

  229. 

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

  231.     {

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

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

  234. 

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

  236.     }

  237. 

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

  239.     {

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

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

  242. 

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

  244.     }

  245. 

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

  247.     {

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

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

  250. 

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

  252.     }

  253. 

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

  255.     {

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

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

  258. 

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

  260. 

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

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

  263. 

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

  265.             return;

  266. 

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

  268.     }

  269. 

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

  271.     {

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

  273. 

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

  275. 

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

  277. 

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

  279.             return;

  280. 

  281.         nullStrBuf(strBuf);

  282.     }

  283. 

  284.     // -------------------------------------------------------------------

  285.     // Set data (state)

  286. 

  287.     // nothing

  288. 

  289.     // -------------------------------------------------------------------

  290.     // Set data (internal stuff)

  291. 

  292.     // nothing

  293. 

  294.     // -------------------------------------------------------------------

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

  296. 

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

  298.     {

  299.         CARLA_SAFE_ASSERT_RETURN(fParamBuffers != nullptr,);

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

  301. 

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

  303.         fParamBuffers[parameterId] = fixedValue;

  304. 

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

  306.     }

  307. 

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

  309.     {

  310.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

  311.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

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

  314.         CARLA_SAFE_ASSERT_RETURN(value != nullptr,);

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

  316. 

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

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

  319. 

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

  321.         {

  322.             try {

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

  324.             } catch(...) {}

  325. 

  326.             if (fHandle2 != nullptr)

  327.             {

  328.                 try {

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

  330.                 } catch(...) {}

  331.             }

  332.         }

  333. 

  334.         if (sendGui && pData->osc.data.target != nullptr)

  335.             osc_send_configure(pData->osc.data, key, value);

  336. 

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

  338.         {

  339.             const ScopedSingleProcessLocker spl(this, true);

  340.             reloadPrograms(false);

  341.         }

  342. 

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

  344.     }

  345. 

  346.     void setChunkData(const char* const stringData) override

  347.     {

  348.         CARLA_SAFE_ASSERT_RETURN(fUsesCustomData,);

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

  350.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

  352.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  353.         CARLA_SAFE_ASSERT_RETURN(fHandle2 == nullptr,);

  354.         CARLA_SAFE_ASSERT_RETURN(stringData != nullptr,);

  355. 

  356.         std::vector<uint8_t> chunk(carla_getChunkFromBase64String(stringData));

  357.         CARLA_SAFE_ASSERT_RETURN(chunk.size() > 0,);

  358. 

  359.         {

  360.             const ScopedSingleProcessLocker spl(this, true);

  361. 

  362.             try {

  363.                 fDssiDescriptor->set_custom_data(fHandle, chunk.data(), chunk.size());

  364.             } CARLA_SAFE_EXCEPTION("DssiPlugin::setChunkData");

  365.         }

  366. 

  367. #ifdef BUILD_BRIDGE

  368.         const bool sendOsc(false);

  369. #else

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

  371. #endif

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

  373.     }

  374. 

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

  376.     {

  377.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

  379.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  381. 

  382.         if (index >= 0)

  383.         {

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

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

  386. 

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

  388. 

  389.             try {

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

  391.             } catch(...) {}

  392. 

  393.             if (fHandle2 != nullptr)

  394.             {

  395.                 try {

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

  397.                 } catch(...) {}

  398.             }

  399.         }

  400. 

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

  402.     }

  403. 

  404.     // -------------------------------------------------------------------

  405.     // Set ui stuff

  406. 

  407.     void showCustomUI(const bool yesNo) override

  408.     {

  409.         if (yesNo)

  410.         {

  411.             pData->osc.data.free();

  412.             pData->osc.thread.startThread();

  413.         }

  414.         else

  415.         {

  416.             pData->transientTryCounter = 0;

  417. 

  418.             if (pData->osc.data.target != nullptr)

  419.             {

  420.                 osc_send_hide(pData->osc.data);

  421.                 osc_send_quit(pData->osc.data);

  422.                 pData->osc.data.free();

  423.             }

  424. 

  425.             pData->osc.thread.stopThread(static_cast<int>(pData->engine->getOptions().uiBridgesTimeout * 2));

  426.         }

  427.     }

  428. 

  429.     void idle() override

  430.     {

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

  432.         {

  433.             fLatencyChanged = false;

  434. 

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

  436. 

  437.             if (latency >= 0)

  438.             {

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

  440. 

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

  442.                 {

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

  444. 

  445.                     const ScopedSingleProcessLocker sspl(this, true);

  446. 

  447.                     pData->latency = ulatency;

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

  449. #ifndef BUILD_BRIDGE

  450.                     pData->recreateLatencyBuffers();

  451. #endif

  452.                 }

  453.             }

  454.             else

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

  456.         }

  457.     }

  458. 

  459.     // -------------------------------------------------------------------

  460.     // Plugin state

  461. 

  462.     void reload() override

  463.     {

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

  465.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  466.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

  467.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  468.         carla_debug("DssiPlugin::reload() - start");

  469. 

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

  471. 

  472.         // Safely disable plugin for reload

  473.         const ScopedDisabler sd(this);

  474. 

  475.         if (pData->active)

  476.             deactivate();

  477. 

  478.         clearBuffers();

  479. 

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

  481.         const uint32_t portCount(getSafePortCount());

  482. 

  483.         uint32_t aIns, aOuts, mIns, params;

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

  485. 

  486.         bool forcedStereoIn, forcedStereoOut;

  487.         forcedStereoIn = forcedStereoOut = false;

  488. 

  489.         bool needsCtrlIn, needsCtrlOut;

  490.         needsCtrlIn = needsCtrlOut = false;

  491. 

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

  493.         {

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

  495. 

  496.             if (LADSPA_IS_PORT_AUDIO(portType))

  497.             {

  498.                 if (LADSPA_IS_PORT_INPUT(portType))

  499.                     aIns += 1;

  500.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  501.                     aOuts += 1;

  502.             }

  503.             else if (LADSPA_IS_PORT_CONTROL(portType))

  504.                 params += 1;

  505.         }

  506. 

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

  508.         {

  509.             if (fHandle2 == nullptr)

  510.             {

  511.                 try {

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

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

  514.             }

  515. 

  516.             if (fHandle2 != nullptr)

  517.             {

  518.                 if (aIns == 1)

  519.                 {

  520.                     aIns = 2;

  521.                     forcedStereoIn = true;

  522.                 }

  523. 

  524.                 if (aOuts == 1)

  525.                 {

  526.                     aOuts = 2;

  527.                     forcedStereoOut = true;

  528.                 }

  529.             }

  530.         }

  531. 

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

  533.         {

  534.             mIns = 1;

  535.             needsCtrlIn = true;

  536.         }

  537. 

  538.         if (aIns > 0)

  539.         {

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

  541.             fAudioInBuffers = new float*[aIns];

  542. 

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

  544.                 fAudioInBuffers[i] = nullptr;

  545.         }

  546. 

  547.         if (aOuts > 0)

  548.         {

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

  550.             fAudioOutBuffers = new float*[aOuts];

  551.             needsCtrlIn = true;

  552. 

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

  554.                 fAudioOutBuffers[i] = nullptr;

  555.         }

  556. 

  557.         if (params > 0)

  558.         {

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

  560. 

  561.             fParamBuffers = new float[params];

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

  563.         }

  564. 

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

  566.         CarlaString portName;

  567. 

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

  569.         {

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

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

  572. 

  573.             if (LADSPA_IS_PORT_AUDIO(portType))

  574.             {

  575.                 portName.clear();

  576. 

  577.                 if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  578.                 {

  579.                     portName  = pData->name;

  580.                     portName += ":";

  581.                 }

  582. 

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

  584.                 {

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

  586.                 }

  587.                 else

  588.                 {

  589.                     if (LADSPA_IS_PORT_INPUT(portType))

  590.                     {

  591.                         if (aIns > 1)

  592.                         {

  593.                             portName += "audio-in_";

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

  595.                         }

  596.                         else

  597.                             portName += "audio-in";

  598.                     }

  599.                     else

  600.                     {

  601.                         if (aOuts > 1)

  602.                         {

  603.                             portName += "audio-out_";

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

  605.                         }

  606.                         else

  607.                             portName += "audio-out";

  608.                     }

  609.                 }

  610. 

  611.                 portName.truncate(portNameSize);

  612. 

  613.                 if (LADSPA_IS_PORT_INPUT(portType))

  614.                 {

  615.                     const uint32_t j = iAudioIn++;

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

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

  618. 

  619.                     if (forcedStereoIn)

  620.                     {

  621.                         portName += "_2";

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

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

  624.                     }

  625.                 }

  626.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  627.                 {

  628.                     const uint32_t j = iAudioOut++;

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

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

  631. 

  632.                     if (forcedStereoOut)

  633.                     {

  634.                         portName += "_2";

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

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

  637.                     }

  638.                 }

  639.                 else

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

  641.             }

  642.             else if (LADSPA_IS_PORT_CONTROL(portType))

  643.             {

  644.                 const uint32_t j = iCtrl++;

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

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

  647. 

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

  649. 

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

  651. 

  652.                 // min value

  653.                 if (LADSPA_IS_HINT_BOUNDED_BELOW(portRangeHints.HintDescriptor))

  654.                     min = portRangeHints.LowerBound;

  655.                 else

  656.                     min = 0.0f;

  657. 

  658.                 // max value

  659.                 if (LADSPA_IS_HINT_BOUNDED_ABOVE(portRangeHints.HintDescriptor))

  660.                     max = portRangeHints.UpperBound;

  661.                 else

  662.                     max = 1.0f;

  663. 

  664.                 if (min > max)

  665.                 {

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

  667.                     min = max - 0.1f;

  668.                 }

  669.                 else if (min == max)

  670.                 {

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

  672.                     max = min + 0.1f;

  673.                 }

  674. 

  675.                 // default value

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

  677. 

  678.                 if (def < min)

  679.                     def = min;

  680.                 else if (def > max)

  681.                     def = max;

  682. 

  683.                 if (LADSPA_IS_HINT_SAMPLE_RATE(portRangeHints.HintDescriptor))

  684.                 {

  685.                     min *= sampleRate;

  686.                     max *= sampleRate;

  687.                     def *= sampleRate;

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

  689.                 }

  690. 

  691.                 if (LADSPA_IS_HINT_TOGGLED(portRangeHints.HintDescriptor))

  692.                 {

  693.                     step = max - min;

  694.                     stepSmall = step;

  695.                     stepLarge = step;

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

  697.                 }

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

  699.                 {

  700.                     step = 1.0f;

  701.                     stepSmall = 1.0f;

  702.                     stepLarge = 10.0f;

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

  704.                 }

  705.                 else

  706.                 {

  707.                     const float range = max - min;

  708.                     step = range/100.0f;

  709.                     stepSmall = range/1000.0f;

  710.                     stepLarge = range/10.0f;

  711.                 }

  712. 

  713.                 if (LADSPA_IS_PORT_INPUT(portType))

  714.                 {

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

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

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

  718.                     needsCtrlIn = true;

  719. 

  720.                     // MIDI CC value

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

  722.                     {

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

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

  725.                         {

  726.                             int16_t cc = DSSI_CC_NUMBER(controller);

  727.                             if (! MIDI_IS_CONTROL_BANK_SELECT(cc))

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

  729.                         }

  730.                     }

  731.                 }

  732.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  733.                 {

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

  735. 

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

  737.                     {

  738.                         min = 0.0f;

  739.                         max = sampleRate;

  740.                         def = 0.0f;

  741.                         step = 1.0f;

  742.                         stepSmall = 1.0f;

  743.                         stepLarge = 1.0f;

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

  745.                         CARLA_SAFE_ASSERT(fLatencyIndex == -1);

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

  747.                     }

  748.                     else

  749.                     {

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

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

  752.                         needsCtrlOut = true;

  753.                     }

  754.                 }

  755.                 else

  756.                 {

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

  758.                 }

  759. 

  760.                 // extra parameter hints

  761.                 if (LADSPA_IS_HINT_LOGARITHMIC(portRangeHints.HintDescriptor))

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

  763. 

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

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

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

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

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

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

  770. 

  771.                 // Start parameters in their default values

  772.                 fParamBuffers[j] = def;

  773. 

  774.                 try {

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

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

  777. 

  778.                 if (fHandle2 != nullptr)

  779.                 {

  780.                     try {

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

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

  783.                 }

  784.             }

  785.             else

  786.             {

  787.                 // Not Audio or Control

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

  789. 

  790.                 try {

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

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

  793. 

  794.                 if (fHandle2 != nullptr)

  795.                 {

  796.                     try {

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

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

  799.                 }

  800.             }

  801.         }

  802. 

  803.         if (needsCtrlIn)

  804.         {

  805.             portName.clear();

  806. 

  807.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  808.             {

  809.                 portName  = pData->name;

  810.                 portName += ":";

  811.             }

  812. 

  813.             portName += "events-in";

  814.             portName.truncate(portNameSize);

  815. 

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

  817.         }

  818. 

  819.         if (needsCtrlOut)

  820.         {

  821.             portName.clear();

  822. 

  823.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  824.             {

  825.                 portName  = pData->name;

  826.                 portName += ":";

  827.             }

  828. 

  829.             portName += "events-out";

  830.             portName.truncate(portNameSize);

  831. 

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

  833.         }

  834. 

  835.         if (forcedStereoIn || forcedStereoOut)

  836.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  837.         else

  838.             pData->options &= ~PLUGIN_OPTION_FORCE_STEREO;

  839. 

  840.         // plugin hints

  841.         pData->hints = 0x0;

  842. 

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

  844.             pData->hints |= PLUGIN_IS_RTSAFE;

  845. 

  846.         if (fUiFilename != nullptr)

  847.             pData->hints |= PLUGIN_HAS_CUSTOM_UI;

  848. 

  849. #ifndef BUILD_BRIDGE

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

  851.             pData->hints |= PLUGIN_CAN_DRYWET;

  852. 

  853.         if (aOuts > 0)

  854.             pData->hints |= PLUGIN_CAN_VOLUME;

  855. 

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

  857.             pData->hints |= PLUGIN_CAN_BALANCE;

  858. #endif

  859. 

  860.         // extra plugin hints

  861.         pData->extraHints = 0x0;

  862. 

  863.         if (mIns > 0)

  864.             pData->extraHints |= PLUGIN_EXTRA_HINT_HAS_MIDI_IN;

  865. 

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

  867.             pData->extraHints |= PLUGIN_EXTRA_HINT_CAN_RUN_RACK;

  868. 

  869.         // check latency

  870.         if (fLatencyIndex >= 0)

  871.         {

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

  873. 

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

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

  876. 

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

  878.             {

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

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

  881. 

  882.                 try {

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

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

  885.             }

  886. 

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

  888.             {

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

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

  891. 

  892.                 try {

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

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

  895.             }

  896. 

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

  898.             {

  899.                 try {

  900.                     fDescriptor->activate(fHandle);

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

  902.             }

  903. 

  904.             try {

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

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

  907. 

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

  909.             {

  910.                 try {

  911.                     fDescriptor->deactivate(fHandle);

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

  913.             }

  914. 

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

  916. 

  917.             if (latency >= 0)

  918.             {

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

  920. 

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

  922.                 {

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

  924. 

  925.                     pData->latency = ulatency;

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

  927. #ifndef BUILD_BRIDGE

  928.                     pData->recreateLatencyBuffers();

  929. #endif

  930.                 }

  931.             }

  932.             else

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

  934. 

  935.             fLatencyChanged = false;

  936.         }

  937. 

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

  939.         reloadPrograms(true);

  940. 

  941.         if (pData->active)

  942.             activate();

  943. 

  944.         carla_debug("DssiPlugin::reload() - end");

  945.     }

  946. 

  947.     void reloadPrograms(const bool doInit) override

  948.     {

  949.         carla_debug("DssiPlugin::reloadPrograms(%s)", bool2str(doInit));

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

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

  952. 

  953.         // Delete old programs

  954.         pData->midiprog.clear();

  955. 

  956.         // Query new programs

  957.         uint32_t newCount = 0;

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

  959.         {

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

  961.                 ++newCount;

  962.         }

  963. 

  964.         if (newCount > 0)

  965.         {

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

  967. 

  968.             // Update data

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

  970.             {

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

  972.                 CARLA_SAFE_ASSERT_CONTINUE(pdesc != nullptr);

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

  974. 

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

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

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

  978.             }

  979.         }

  980. 

  981. #ifndef BUILD_BRIDGE

  982.         // Update OSC Names

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

  984.         {

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

  986. 

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

  988.                 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);

  989.         }

  990. #endif

  991. 

  992.         if (doInit)

  993.         {

  994.             if (newCount > 0)

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

  996.         }

  997.         else

  998.         {

  999.             // Check if current program is invalid

  1000.             bool programChanged = false;

  1001. 

  1002.             if (newCount == oldCount+1)

  1003.             {

  1004.                 // one midi program added, probably created by user

  1005.                 pData->midiprog.current = static_cast<int32_t>(oldCount);

  1006.                 programChanged = true;

  1007.             }

  1008.             else if (current < 0 && newCount > 0)

  1009.             {

  1010.                 // programs exist now, but not before

  1011.                 pData->midiprog.current = 0;

  1012.                 programChanged = true;

  1013.             }

  1014.             else if (current >= 0 && newCount == 0)

  1015.             {

  1016.                 // programs existed before, but not anymore

  1017.                 pData->midiprog.current = -1;

  1018.                 programChanged = true;

  1019.             }

  1020.             else if (current >= static_cast<int32_t>(newCount))

  1021.             {

  1022.                 // current midi program > count

  1023.                 pData->midiprog.current = 0;

  1024.                 programChanged = true;

  1025.             }

  1026.             else

  1027.             {

  1028.                 // no change

  1029.                 pData->midiprog.current = current;

  1030.             }

  1031. 

  1032.             if (programChanged)

  1033.                 setMidiProgram(pData->midiprog.current, true, true, true);

  1034. 

  1035.             pData->engine->callback(ENGINE_CALLBACK_RELOAD_PROGRAMS, pData->id, 0, 0, 0.0f, nullptr);

  1036.         }

  1037.     }

  1038. 

  1039.     // -------------------------------------------------------------------

  1040.     // Plugin processing

  1041. 

  1042.     void activate() noexcept override

  1043.     {

  1044.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1045.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  1046. 

  1047.         if (fDescriptor->activate != nullptr)

  1048.         {

  1049.             try {

  1050.                 fDescriptor->activate(fHandle);

  1051.             } CARLA_SAFE_EXCEPTION("DSSI activate");

  1052. 

  1053.             if (fHandle2 != nullptr)

  1054.             {

  1055.                 try {

  1056.                     fDescriptor->activate(fHandle2);

  1057.                 } CARLA_SAFE_EXCEPTION("DSSI activate #2");

  1058.             }

  1059.         }

  1060.     }

  1061. 

  1062.     void deactivate() noexcept override

  1063.     {

  1064.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1065.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  1066. 

  1067.         if (fDescriptor->deactivate != nullptr)

  1068.         {

  1069.             try {

  1070.                 fDescriptor->deactivate(fHandle);

  1071.             } CARLA_SAFE_EXCEPTION("DSSI deactivate");

  1072. 

  1073.             if (fHandle2 != nullptr)

  1074.             {

  1075.                 try {

  1076.                     fDescriptor->deactivate(fHandle2);

  1077.                 } CARLA_SAFE_EXCEPTION("DSSI deactivate #2");

  1078.             }

  1079.         }

  1080.     }

  1081. 

  1082.     void process(float** const inBuffer, float** const outBuffer, const uint32_t frames) override

  1083.     {

  1084.         // --------------------------------------------------------------------------------------------------------

  1085.         // Check if active

  1086. 

  1087.         if (! pData->active)

  1088.         {

  1089.             // disable any output sound

  1090.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1091.                 FloatVectorOperations::clear(outBuffer[i], static_cast<int>(frames));

  1092.             return;

  1093.         }

  1094. 

  1095.         ulong midiEventCount = 0;

  1096. 

  1097.         // --------------------------------------------------------------------------------------------------------

  1098.         // Check if needs reset

  1099. 

  1100.         if (pData->needsReset)

  1101.         {

  1102.             if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1103.             {

  1104.                 midiEventCount = MAX_MIDI_CHANNELS*2;

  1105.                 carla_zeroStruct<snd_seq_event_t>(fMidiEvents, midiEventCount);

  1106. 

  1107.                 for (uchar i=0, k=MAX_MIDI_CHANNELS; i < MAX_MIDI_CHANNELS; ++i)

  1108.                 {

  1109.                     fMidiEvents[i].type = SND_SEQ_EVENT_CONTROLLER;

  1110.                     fMidiEvents[i].data.control.channel = i;

  1111.                     fMidiEvents[i].data.control.param   = MIDI_CONTROL_ALL_NOTES_OFF;

  1112. 

  1113.                     fMidiEvents[k+i].type = SND_SEQ_EVENT_CONTROLLER;

  1114.                     fMidiEvents[k+i].data.control.channel = i;

  1115.                     fMidiEvents[k+i].data.control.param   = MIDI_CONTROL_ALL_SOUND_OFF;

  1116.                 }

  1117.             }

  1118.             else if (pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1119.             {

  1120.                 midiEventCount = MAX_MIDI_NOTE;

  1121.                 carla_zeroStruct<snd_seq_event_t>(fMidiEvents, midiEventCount);

  1122. 

  1123.                 for (uchar i=0; i < MAX_MIDI_NOTE; ++i)

  1124.                 {

  1125.                     fMidiEvents[i].type = SND_SEQ_EVENT_NOTEOFF;

  1126.                     fMidiEvents[i].data.note.channel = static_cast<uchar>(pData->ctrlChannel);

  1127.                     fMidiEvents[i].data.note.note    = i;

  1128.                 }

  1129.             }

  1130. 

  1131. #ifndef BUILD_BRIDGE

  1132.             if (pData->latency > 0)

  1133.             {

  1134.                 for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1135.                     FloatVectorOperations::clear(pData->latencyBuffers[i], static_cast<int>(pData->latency));

  1136.             }

  1137. #endif

  1138. 

  1139.             pData->needsReset = false;

  1140.         }

  1141. 

  1142.         // --------------------------------------------------------------------------------------------------------

  1143.         // Event Input and Processing

  1144. 

  1145.         if (pData->event.portIn != nullptr)

  1146.         {

  1147.             // ----------------------------------------------------------------------------------------------------

  1148.             // MIDI Input (External)

  1149. 

  1150.             if (pData->extNotes.mutex.tryLock())

  1151.             {

  1152.                 ExternalMidiNote note = { 0, 0, 0 };

  1153. 

  1154.                 for (; midiEventCount < kPluginMaxMidiEvents && ! pData->extNotes.data.isEmpty();)

  1155.                 {

  1156.                     note = pData->extNotes.data.getFirst(note, true);

  1157. 

  1158.                     CARLA_SAFE_ASSERT_CONTINUE(note.channel >= 0 && note.channel < MAX_MIDI_CHANNELS);

  1159. 

  1160.                     snd_seq_event_t& midiEvent(fMidiEvents[midiEventCount++]);

  1161.                     carla_zeroStruct<snd_seq_event_t>(midiEvent);

  1162. 

  1163.                     midiEvent.type               = (note.velo > 0) ? SND_SEQ_EVENT_NOTEON : SND_SEQ_EVENT_NOTEOFF;

  1164.                     midiEvent.data.note.channel  = static_cast<uchar>(note.channel);

  1165.                     midiEvent.data.note.note     = note.note;

  1166.                     midiEvent.data.note.velocity = note.velo;

  1167.                 }

  1168. 

  1169.                 pData->extNotes.mutex.unlock();

  1170. 

  1171.             } // End of MIDI Input (External)

  1172. 

  1173.             // ----------------------------------------------------------------------------------------------------

  1174.             // Event Input (System)

  1175. 

  1176.             bool       allNotesOffSent  = false;

  1177.             const bool isSampleAccurate = (pData->options & PLUGIN_OPTION_FIXED_BUFFERS) == 0;

  1178. 

  1179.             uint32_t numEvents  = pData->event.portIn->getEventCount();

  1180.             uint32_t startTime  = 0;

  1181.             uint32_t timeOffset = 0;

  1182.             uint32_t nextBankId;

  1183. 

  1184.             if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1185.                 nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1186.             else

  1187.                 nextBankId = 0;

  1188. 

  1189.             for (uint32_t i=0; i < numEvents; ++i)

  1190.             {

  1191.                 const EngineEvent& event(pData->event.portIn->getEvent(i));

  1192. 

  1193.                 if (event.time >= frames)

  1194.                     continue;

  1195. 

  1196.                 CARLA_ASSERT_INT2(event.time >= timeOffset, event.time, timeOffset);

  1197. 

  1198.                 if (isSampleAccurate && event.time > timeOffset)

  1199.                 {

  1200.                     if (processSingle(inBuffer, outBuffer, event.time - timeOffset, timeOffset, midiEventCount))

  1201.                     {

  1202.                         startTime  = 0;

  1203.                         timeOffset = event.time;

  1204.                         midiEventCount = 0;

  1205. 

  1206.                         if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1207.                             nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1208.                         else

  1209.                             nextBankId = 0;

  1210.                     }

  1211.                     else

  1212.                         startTime += timeOffset;

  1213.                 }

  1214. 

  1215.                 switch (event.type)

  1216.                 {

  1217.                 case kEngineEventTypeNull:

  1218.                     break;

  1219. 

  1220.                 case kEngineEventTypeControl: {

  1221.                     const EngineControlEvent& ctrlEvent(event.ctrl);

  1222. 

  1223.                     switch (ctrlEvent.type)

  1224.                     {

  1225.                     case kEngineControlEventTypeNull:

  1226.                         break;

  1227. 

  1228.                     case kEngineControlEventTypeParameter: {

  1229. #ifndef BUILD_BRIDGE

  1230.                         // Control backend stuff

  1231.                         if (event.channel == pData->ctrlChannel)

  1232.                         {

  1233.                             float value;

  1234. 

  1235.                             if (MIDI_IS_CONTROL_BREATH_CONTROLLER(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_DRYWET) != 0)

  1236.                             {

  1237.                                 value = ctrlEvent.value;

  1238.                                 setDryWet(value, false, false);

  1239.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_DRYWET, 0, value);

  1240.                                 break;

  1241.                             }

  1242. 

  1243.                             if (MIDI_IS_CONTROL_CHANNEL_VOLUME(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_VOLUME) != 0)

  1244.                             {

  1245.                                 value = ctrlEvent.value*127.0f/100.0f;

  1246.                                 setVolume(value, false, false);

  1247.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_VOLUME, 0, value);

  1248.                                 break;

  1249.                             }

  1250. 

  1251.                             if (MIDI_IS_CONTROL_BALANCE(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_BALANCE) != 0)

  1252.                             {

  1253.                                 float left, right;

  1254.                                 value = ctrlEvent.value/0.5f - 1.0f;

  1255. 

  1256.                                 if (value < 0.0f)

  1257.                                 {

  1258.                                     left  = -1.0f;

  1259.                                     right = (value*2.0f)+1.0f;

  1260.                                 }

  1261.                                 else if (value > 0.0f)

  1262.                                 {

  1263.                                     left  = (value*2.0f)-1.0f;

  1264.                                     right = 1.0f;

  1265.                                 }

  1266.                                 else

  1267.                                 {

  1268.                                     left  = -1.0f;

  1269.                                     right = 1.0f;

  1270.                                 }

  1271. 

  1272.                                 setBalanceLeft(left, false, false);

  1273.                                 setBalanceRight(right, false, false);

  1274.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_LEFT, 0, left);

  1275.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_RIGHT, 0, right);

  1276.                                 break;

  1277.                             }

  1278.                         }

  1279. #endif

  1280. 

  1281.                         // Control plugin parameters

  1282.                         uint32_t k;

  1283.                         for (k=0; k < pData->param.count; ++k)

  1284.                         {

  1285.                             if (pData->param.data[k].midiChannel != event.channel)

  1286.                                 continue;

  1287.                             if (pData->param.data[k].midiCC != ctrlEvent.param)

  1288.                                 continue;

  1289.                             if (pData->param.data[k].type != PARAMETER_INPUT)

  1290.                                 continue;

  1291.                             if ((pData->param.data[k].hints & PARAMETER_IS_AUTOMABLE) == 0)

  1292.                                 continue;

  1293. 

  1294.                             float value;

  1295. 

  1296.                             if (pData->param.data[k].hints & PARAMETER_IS_BOOLEAN)

  1297.                             {

  1298.                                 value = (ctrlEvent.value < 0.5f) ? pData->param.ranges[k].min : pData->param.ranges[k].max;

  1299.                             }

  1300.                             else

  1301.                             {

  1302.                                 value = pData->param.ranges[k].getUnnormalizedValue(ctrlEvent.value);

  1303. 

  1304.                                 if (pData->param.data[k].hints & PARAMETER_IS_INTEGER)

  1305.                                     value = std::rint(value);

  1306.                             }

  1307. 

  1308.                             setParameterValue(k, value, false, false, false);

  1309.                             pData->postponeRtEvent(kPluginPostRtEventParameterChange, static_cast<int32_t>(k), 0, value);

  1310.                             break;

  1311.                         }

  1312. 

  1313.                         // check if event is already handled

  1314.                         if (k != pData->param.count)

  1315.                             break;

  1316. 

  1317.                         if ((pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0 && ctrlEvent.param <= 0x5F)

  1318.                         {

  1319.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1320.                                 continue;

  1321. 

  1322.                             snd_seq_event_t& midiEvent(fMidiEvents[midiEventCount++]);

  1323.                             carla_zeroStruct<snd_seq_event_t>(midiEvent);

  1324. 

  1325.                             midiEvent.time.tick = isSampleAccurate ? startTime : event.time;

  1326. 

  1327.                             midiEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1328.                             midiEvent.data.control.channel = event.channel;

  1329.                             midiEvent.data.control.param   = ctrlEvent.param;

  1330.                             midiEvent.data.control.value   = int8_t(ctrlEvent.value*127.0f);

  1331.                         }

  1332.                         break;

  1333.                     } // case kEngineControlEventTypeParameter

  1334. 

  1335.                     case kEngineControlEventTypeMidiBank:

  1336.                         if (event.channel == pData->ctrlChannel && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1337.                             nextBankId = ctrlEvent.param;

  1338.                         break;

  1339. 

  1340.                     case kEngineControlEventTypeMidiProgram:

  1341.                         if (event.channel == pData->ctrlChannel && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1342.                         {

  1343.                             const uint32_t nextProgramId = ctrlEvent.param;

  1344. 

  1345.                             for (uint32_t k=0; k < pData->midiprog.count; ++k)

  1346.                             {

  1347.                                 if (pData->midiprog.data[k].bank == nextBankId && pData->midiprog.data[k].program == nextProgramId)

  1348.                                 {

  1349.                                     const int32_t index(static_cast<int32_t>(k));

  1350.                                     setMidiProgram(index, false, false, false);

  1351.                                     pData->postponeRtEvent(kPluginPostRtEventMidiProgramChange, index, 0, 0.0f);

  1352.                                     break;

  1353.                                 }

  1354.                             }

  1355.                         }

  1356.                         break;

  1357. 

  1358.                     case kEngineControlEventTypeAllSoundOff:

  1359.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1360.                         {

  1361.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1362.                                 continue;

  1363. 

  1364.                             snd_seq_event_t& midiEvent(fMidiEvents[midiEventCount++]);

  1365.                             carla_zeroStruct<snd_seq_event_t>(midiEvent);

  1366. 

  1367.                             midiEvent.time.tick = isSampleAccurate ? startTime : event.time;

  1368. 

  1369.                             midiEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1370.                             midiEvent.data.control.channel = event.channel;

  1371.                             midiEvent.data.control.param   = MIDI_CONTROL_ALL_SOUND_OFF;

  1372.                         }

  1373.                         break;

  1374. 

  1375.                     case kEngineControlEventTypeAllNotesOff:

  1376.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1377.                         {

  1378.                             if (event.channel == pData->ctrlChannel && ! allNotesOffSent)

  1379.                             {

  1380.                                 allNotesOffSent = true;

  1381.                                 sendMidiAllNotesOffToCallback();

  1382.                             }

  1383. 

  1384.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1385.                                 continue;

  1386. 

  1387.                             snd_seq_event_t& midiEvent(fMidiEvents[midiEventCount++]);

  1388.                             carla_zeroStruct<snd_seq_event_t>(midiEvent);

  1389. 

  1390.                             midiEvent.time.tick = isSampleAccurate ? startTime : event.time;

  1391. 

  1392.                             midiEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1393.                             midiEvent.data.control.channel = event.channel;

  1394.                             midiEvent.data.control.param   = MIDI_CONTROL_ALL_NOTES_OFF;

  1395. 

  1396.                             midiEventCount += 1;

  1397.                         }

  1398.                         break;

  1399.                     } // switch (ctrlEvent.type)

  1400.                     break;

  1401.                 } // case kEngineEventTypeControl

  1402. 

  1403.                 case kEngineEventTypeMidi: {

  1404.                     if (midiEventCount >= kPluginMaxMidiEvents)

  1405.                         continue;

  1406. 

  1407.                     const EngineMidiEvent& engineEvent(event.midi);

  1408. 

  1409.                     uint8_t status  = uint8_t(MIDI_GET_STATUS_FROM_DATA(engineEvent.data));

  1410.                     uint8_t channel = event.channel;

  1411. 

  1412.                     // Fix bad note-off (per DSSI spec)

  1413.                     if (MIDI_IS_STATUS_NOTE_ON(status) && engineEvent.data[2] == 0)

  1414.                         status = MIDI_STATUS_NOTE_OFF;

  1415. 

  1416.                     snd_seq_event_t& midiEvent(fMidiEvents[midiEventCount]);

  1417.                     carla_zeroStruct<snd_seq_event_t>(midiEvent);

  1418. 

  1419.                     midiEvent.time.tick = isSampleAccurate ? startTime : event.time;

  1420. 

  1421.                     switch (status)

  1422.                     {

  1423.                     case MIDI_STATUS_NOTE_OFF: {

  1424.                         const uint8_t note = engineEvent.data[1];

  1425. 

  1426.                         midiEvent.type = SND_SEQ_EVENT_NOTEOFF;

  1427.                         midiEvent.data.note.channel = channel;

  1428.                         midiEvent.data.note.note    = note;

  1429. 

  1430.                         pData->postponeRtEvent(kPluginPostRtEventNoteOff, channel, note, 0.0f);

  1431.                         break;

  1432.                     }

  1433. 

  1434.                     case MIDI_STATUS_NOTE_ON: {

  1435.                         const uint8_t note = engineEvent.data[1];

  1436.                         const uint8_t velo = engineEvent.data[2];

  1437. 

  1438.                         midiEvent.type = SND_SEQ_EVENT_NOTEON;

  1439.                         midiEvent.data.note.channel  = channel;

  1440.                         midiEvent.data.note.note     = note;

  1441.                         midiEvent.data.note.velocity = velo;

  1442. 

  1443.                         pData->postponeRtEvent(kPluginPostRtEventNoteOn, channel, note, velo);

  1444.                         break;

  1445.                     }

  1446. 

  1447.                     case MIDI_STATUS_POLYPHONIC_AFTERTOUCH:

  1448.                         if (pData->options & PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH)

  1449.                         {

  1450.                             const uint8_t note     = engineEvent.data[1];

  1451.                             const uint8_t pressure = engineEvent.data[2];

  1452. 

  1453.                             midiEvent.type = SND_SEQ_EVENT_KEYPRESS;

  1454.                             midiEvent.data.note.channel  = channel;

  1455.                             midiEvent.data.note.note     = note;

  1456.                             midiEvent.data.note.velocity = pressure;

  1457.                         }

  1458.                         break;

  1459. 

  1460.                     case MIDI_STATUS_CONTROL_CHANGE:

  1461.                         if (pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES)

  1462.                         {

  1463.                             const uint8_t control = engineEvent.data[1];

  1464.                             const uint8_t value   = engineEvent.data[2];

  1465. 

  1466.                             midiEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1467.                             midiEvent.data.control.channel = channel;

  1468.                             midiEvent.data.control.param   = control;

  1469.                             midiEvent.data.control.value   = value;

  1470.                         }

  1471.                         break;

  1472. 

  1473.                     case MIDI_STATUS_CHANNEL_PRESSURE:

  1474.                         if (pData->options & PLUGIN_OPTION_SEND_CHANNEL_PRESSURE)

  1475.                         {

  1476.                             const uint8_t pressure = engineEvent.data[1];

  1477. 

  1478.                             midiEvent.type = SND_SEQ_EVENT_CHANPRESS;

  1479.                             midiEvent.data.control.channel = channel;

  1480.                             midiEvent.data.control.value   = pressure;

  1481.                         }

  1482.                         break;

  1483. 

  1484.                     case MIDI_STATUS_PITCH_WHEEL_CONTROL:

  1485.                         if (pData->options & PLUGIN_OPTION_SEND_PITCHBEND)

  1486.                         {

  1487.                             const uint8_t lsb = engineEvent.data[1];

  1488.                             const uint8_t msb = engineEvent.data[2];

  1489. 

  1490.                             midiEvent.type = SND_SEQ_EVENT_PITCHBEND;

  1491.                             midiEvent.data.control.channel = channel;

  1492.                             midiEvent.data.control.value   = ((msb << 7) | lsb) - 8192;

  1493.                         }

  1494.                         break;

  1495. 

  1496.                     default:

  1497.                         continue;

  1498.                         break;

  1499.                     } // switch (status)

  1500. 

  1501.                     midiEventCount += 1;

  1502.                     break;

  1503.                 } // case kEngineEventTypeMidi

  1504.                 } // switch (event.type)

  1505.             }

  1506. 

  1507.             pData->postRtEvents.trySplice();

  1508. 

  1509.             if (frames > timeOffset)

  1510.                 processSingle(inBuffer, outBuffer, frames - timeOffset, timeOffset, midiEventCount);

  1511. 

  1512.         } // End of Event Input and Processing

  1513. 

  1514.         // --------------------------------------------------------------------------------------------------------

  1515.         // Plugin processing (no events)

  1516. 

  1517.         else

  1518.         {

  1519.             processSingle(inBuffer, outBuffer, frames, 0, midiEventCount);

  1520. 

  1521.         } // End of Plugin processing (no events)

  1522. 

  1523. #ifndef BUILD_BRIDGE

  1524.         // --------------------------------------------------------------------------------------------------------

  1525.         // Latency, save values for next callback

  1526. 

  1527.         if (fLatencyIndex != -1)

  1528.         {

  1529.             if (pData->latency != static_cast<uint32_t>(fParamBuffers[fLatencyIndex]))

  1530.             {

  1531.                 fLatencyChanged = true;

  1532.             }

  1533.             else if (pData->latency > 0)

  1534.             {

  1535.                 if (pData->latency <= frames)

  1536.                 {

  1537.                     for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1538.                         FloatVectorOperations::copy(pData->latencyBuffers[i], inBuffer[i]+(frames-pData->latency), static_cast<int>(pData->latency));

  1539.                 }

  1540.                 else

  1541.                 {

  1542.                     for (uint32_t i=0, j, k; i < pData->audioIn.count; ++i)

  1543.                     {

  1544.                         for (k=0; k < pData->latency-frames; ++k)

  1545.                             pData->latencyBuffers[i][k] = pData->latencyBuffers[i][k+frames];

  1546.                         for (j=0; k < pData->latency; ++j, ++k)

  1547.                             pData->latencyBuffers[i][k] = inBuffer[i][j];

  1548.                     }

  1549.                 }

  1550.             }

  1551.         }

  1552. #endif

  1553. 

  1554.         // --------------------------------------------------------------------------------------------------------

  1555.         // Control Output

  1556. 

  1557.         if (pData->event.portOut != nullptr)

  1558.         {

  1559.             uint8_t  channel;

  1560.             uint16_t param;

  1561.             float    value;

  1562. 

  1563.             for (uint32_t k=0; k < pData->param.count; ++k)

  1564.             {

  1565.                 if (pData->param.data[k].type != PARAMETER_OUTPUT)

  1566.                     continue;

  1567. 

  1568.                 pData->param.ranges[k].fixValue(fParamBuffers[k]);

  1569. 

  1570.                 if (pData->param.data[k].midiCC > 0)

  1571.                 {

  1572.                     channel = pData->param.data[k].midiChannel;

  1573.                     param   = static_cast<uint16_t>(pData->param.data[k].midiCC);

  1574.                     value   = pData->param.ranges[k].getNormalizedValue(fParamBuffers[k]);

  1575.                     pData->event.portOut->writeControlEvent(0, channel, kEngineControlEventTypeParameter, param, value);

  1576.                 }

  1577.             }

  1578.         } // End of Control Output

  1579.     }

  1580. 

  1581.     bool processSingle(float** const inBuffer, float** const outBuffer, const uint32_t frames, const uint32_t timeOffset, const ulong midiEventCount)

  1582.     {

  1583.         CARLA_SAFE_ASSERT_RETURN(frames > 0, false);

  1584. 

  1585.         if (pData->audioIn.count > 0)

  1586.         {

  1587.             CARLA_SAFE_ASSERT_RETURN(inBuffer != nullptr, false);

  1588.         }

  1589.         if (pData->audioOut.count > 0)

  1590.         {

  1591.             CARLA_SAFE_ASSERT_RETURN(outBuffer != nullptr, false);

  1592.         }

  1593. 

  1594.         // --------------------------------------------------------------------------------------------------------

  1595.         // Try lock, silence otherwise

  1596. 

  1597.         if (pData->engine->isOffline())

  1598.         {

  1599.             pData->singleMutex.lock();

  1600.         }

  1601.         else if (! pData->singleMutex.tryLock())

  1602.         {

  1603.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1604.             {

  1605.                 for (uint32_t k=0; k < frames; ++k)

  1606.                     outBuffer[i][k+timeOffset] = 0.0f;

  1607.             }

  1608. 

  1609.             return false;

  1610.         }

  1611. 

  1612.         // --------------------------------------------------------------------------------------------------------

  1613.         // Reset audio buffers

  1614. 

  1615.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1616.             FloatVectorOperations::copy(fAudioInBuffers[i], inBuffer[i]+timeOffset, static_cast<int>(frames));

  1617. 

  1618.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1619.             FloatVectorOperations::clear(fAudioOutBuffers[i], static_cast<int>(frames));

  1620. 

  1621.         // --------------------------------------------------------------------------------------------------------

  1622.         // Run plugin

  1623. 

  1624.         // TODO - try catch

  1625. 

  1626.         if (fDssiDescriptor->run_synth != nullptr)

  1627.         {

  1628.             fDssiDescriptor->run_synth(fHandle, frames, fMidiEvents, midiEventCount);

  1629. 

  1630.             if (fHandle2 != nullptr)

  1631.                 fDssiDescriptor->run_synth(fHandle2, frames, fMidiEvents, midiEventCount);

  1632.         }

  1633.         else if (fDssiDescriptor->run_multiple_synths != nullptr)

  1634.         {

  1635.             ulong instances = (fHandle2 != nullptr) ? 2 : 1;

  1636.             LADSPA_Handle handlePtr[2] = { fHandle, fHandle2 };

  1637.             snd_seq_event_t* midiEventsPtr[2] = { fMidiEvents, fMidiEvents };

  1638.             ulong midiEventCountPtr[2] = { midiEventCount, midiEventCount };

  1639.             fDssiDescriptor->run_multiple_synths(instances, handlePtr, frames, midiEventsPtr, midiEventCountPtr);

  1640.         }

  1641.         else

  1642.         {

  1643.             fDescriptor->run(fHandle, frames);

  1644. 

  1645.             if (fHandle2 != nullptr)

  1646.                 fDescriptor->run(fHandle2, frames);

  1647.         }

  1648. 

  1649. #ifndef BUILD_BRIDGE

  1650.         // --------------------------------------------------------------------------------------------------------

  1651.         // Post-processing (dry/wet, volume and balance)

  1652. 

  1653.         {

  1654.             const bool doDryWet  = (pData->hints & PLUGIN_CAN_DRYWET) != 0 && pData->postProc.dryWet != 1.0f;

  1655.             const bool doBalance = (pData->hints & PLUGIN_CAN_BALANCE) != 0 && (pData->postProc.balanceLeft != -1.0f || pData->postProc.balanceRight != 1.0f);

  1656.             const bool isMono    = (pData->audioIn.count == 1);

  1657. 

  1658.             bool isPair;

  1659.             float bufValue, oldBufLeft[doBalance ? frames : 1];

  1660. 

  1661.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1662.             {

  1663.                 // Dry/Wet

  1664.                 if (doDryWet)

  1665.                 {

  1666.                     for (uint32_t k=0; k < frames; ++k)

  1667.                     {

  1668.                         if (k < pData->latency)

  1669.                             bufValue = pData->latencyBuffers[isMono ? 0 : i][k];

  1670.                         else if (pData->latency < frames)

  1671.                             bufValue = fAudioInBuffers[isMono ? 0 : i][k-pData->latency];

  1672.                         else

  1673.                             bufValue = fAudioInBuffers[isMono ? 0 : i][k];

  1674. 

  1675.                         fAudioOutBuffers[i][k] = (fAudioOutBuffers[i][k] * pData->postProc.dryWet) + (bufValue * (1.0f - pData->postProc.dryWet));

  1676.                     }

  1677.                 }

  1678. 

  1679.                 // Balance

  1680.                 if (doBalance)

  1681.                 {

  1682.                     isPair = (i % 2 == 0);

  1683. 

  1684.                     if (isPair)

  1685.                     {

  1686.                         CARLA_ASSERT(i+1 < pData->audioOut.count);

  1687.                         FloatVectorOperations::copy(oldBufLeft, fAudioOutBuffers[i], static_cast<int>(frames));

  1688.                     }

  1689. 

  1690.                     float balRangeL = (pData->postProc.balanceLeft  + 1.0f)/2.0f;

  1691.                     float balRangeR = (pData->postProc.balanceRight + 1.0f)/2.0f;

  1692. 

  1693.                     for (uint32_t k=0; k < frames; ++k)

  1694.                     {

  1695.                         if (isPair)

  1696.                         {

  1697.                             // left

  1698.                             fAudioOutBuffers[i][k]  = oldBufLeft[k]            * (1.0f - balRangeL);

  1699.                             fAudioOutBuffers[i][k] += fAudioOutBuffers[i+1][k] * (1.0f - balRangeR);

  1700.                         }

  1701.                         else

  1702.                         {

  1703.                             // right

  1704.                             fAudioOutBuffers[i][k]  = fAudioOutBuffers[i][k] * balRangeR;

  1705.                             fAudioOutBuffers[i][k] += oldBufLeft[k]          * balRangeL;

  1706.                         }

  1707.                     }

  1708.                 }

  1709. 

  1710.                 // Volume (and buffer copy)

  1711.                 {

  1712.                     for (uint32_t k=0; k < frames; ++k)

  1713.                         outBuffer[i][k+timeOffset] = fAudioOutBuffers[i][k] * pData->postProc.volume;

  1714.                 }

  1715.             }

  1716. 

  1717.         } // End of Post-processing

  1718. 

  1719. #else // BUILD_BRIDGE

  1720.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1721.         {

  1722.             for (uint32_t k=0; k < frames; ++k)

  1723.                 outBuffer[i][k+timeOffset] = fAudioOutBuffers[i][k];

  1724.         }

  1725. #endif

  1726. 

  1727.         // --------------------------------------------------------------------------------------------------------

  1728. 

  1729.         pData->singleMutex.unlock();

  1730.         return true;

  1731.     }

  1732. 

  1733.     void bufferSizeChanged(const uint32_t newBufferSize) override

  1734.     {

  1735.         CARLA_ASSERT_INT(newBufferSize > 0, newBufferSize);

  1736.         carla_debug("DssiPlugin::bufferSizeChanged(%i) - start", newBufferSize);

  1737. 

  1738.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1739.         {

  1740.             if (fAudioInBuffers[i] != nullptr)

  1741.                 delete[] fAudioInBuffers[i];

  1742.             fAudioInBuffers[i] = new float[newBufferSize];

  1743.         }

  1744. 

  1745.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1746.         {

  1747.             if (fAudioOutBuffers[i] != nullptr)

  1748.                 delete[] fAudioOutBuffers[i];

  1749.             fAudioOutBuffers[i] = new float[newBufferSize];

  1750.         }

  1751. 

  1752.         if (fHandle2 == nullptr)

  1753.         {

  1754.             for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1755.             {

  1756.                 CARLA_ASSERT(fAudioInBuffers[i] != nullptr);

  1757. 

  1758.                 try {

  1759.                     fDescriptor->connect_port(fHandle, pData->audioIn.ports[i].rindex, fAudioInBuffers[i]);

  1760.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port audio input");

  1761.             }

  1762. 

  1763.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1764.             {

  1765.                 CARLA_ASSERT(fAudioOutBuffers[i] != nullptr);

  1766. 

  1767.                 try {

  1768.                     fDescriptor->connect_port(fHandle, pData->audioOut.ports[i].rindex, fAudioOutBuffers[i]);

  1769.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port audio output");

  1770.             }

  1771.         }

  1772.         else

  1773.         {

  1774.             if (pData->audioIn.count > 0)

  1775.             {

  1776.                 CARLA_ASSERT(pData->audioIn.count == 2);

  1777.                 CARLA_ASSERT(fAudioInBuffers[0] != nullptr);

  1778.                 CARLA_ASSERT(fAudioInBuffers[1] != nullptr);

  1779. 

  1780.                 try {

  1781.                     fDescriptor->connect_port(fHandle, pData->audioIn.ports[0].rindex, fAudioInBuffers[0]);

  1782.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port audio input #1");

  1783. 

  1784.                 try {

  1785.                     fDescriptor->connect_port(fHandle2, pData->audioIn.ports[1].rindex, fAudioInBuffers[1]);

  1786.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port audio input #2");

  1787.             }

  1788. 

  1789.             if (pData->audioOut.count > 0)

  1790.             {

  1791.                 CARLA_ASSERT(pData->audioOut.count == 2);

  1792.                 CARLA_ASSERT(fAudioOutBuffers[0] != nullptr);

  1793.                 CARLA_ASSERT(fAudioOutBuffers[1] != nullptr);

  1794. 

  1795.                 try {

  1796.                     fDescriptor->connect_port(fHandle, pData->audioOut.ports[0].rindex, fAudioOutBuffers[0]);

  1797.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port audio output #1");

  1798. 

  1799.                 try {

  1800.                     fDescriptor->connect_port(fHandle2, pData->audioOut.ports[1].rindex, fAudioOutBuffers[1]);

  1801.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port audio output #2");

  1802.             }

  1803.         }

  1804. 

  1805.         carla_debug("DssiPlugin::bufferSizeChanged(%i) - end", newBufferSize);

  1806.     }

  1807. 

  1808.     void sampleRateChanged(const double newSampleRate) override

  1809.     {

  1810.         CARLA_ASSERT_INT(newSampleRate > 0.0, newSampleRate);

  1811.         carla_debug("DssiPlugin::sampleRateChanged(%g) - start", newSampleRate);

  1812. 

  1813.         // TODO

  1814.         (void)newSampleRate;

  1815. 

  1816.         carla_debug("DssiPlugin::sampleRateChanged(%g) - end", newSampleRate);

  1817.     }

  1818. 

  1819.     // -------------------------------------------------------------------

  1820.     // Plugin buffers

  1821. 

  1822.     void clearBuffers() noexcept override

  1823.     {

  1824.         carla_debug("DssiPlugin::clearBuffers() - start");

  1825. 

  1826.         if (fAudioInBuffers != nullptr)

  1827.         {

  1828.             for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1829.             {

  1830.                 if (fAudioInBuffers[i] != nullptr)

  1831.                 {

  1832.                     delete[] fAudioInBuffers[i];

  1833.                     fAudioInBuffers[i] = nullptr;

  1834.                 }

  1835.             }

  1836. 

  1837.             delete[] fAudioInBuffers;

  1838.             fAudioInBuffers = nullptr;

  1839.         }

  1840. 

  1841.         if (fAudioOutBuffers != nullptr)

  1842.         {

  1843.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1844.             {

  1845.                 if (fAudioOutBuffers[i] != nullptr)

  1846.                 {

  1847.                     delete[] fAudioOutBuffers[i];

  1848.                     fAudioOutBuffers[i] = nullptr;

  1849.                 }

  1850.             }

  1851. 

  1852.             delete[] fAudioOutBuffers;

  1853.             fAudioOutBuffers = nullptr;

  1854.         }

  1855. 

  1856.         if (fParamBuffers != nullptr)

  1857.         {

  1858.             delete[] fParamBuffers;

  1859.             fParamBuffers = nullptr;

  1860.         }

  1861. 

  1862.         CarlaPlugin::clearBuffers();

  1863. 

  1864.         carla_debug("DssiPlugin::clearBuffers() - end");

  1865.     }

  1866. 

  1867.     // -------------------------------------------------------------------

  1868.     // Post-poned UI Stuff

  1869. 

  1870.     void uiParameterChange(const uint32_t index, const float value) noexcept override

  1871.     {

  1872.         CARLA_SAFE_ASSERT_RETURN(index < pData->param.count,);

  1873. 

  1874.         if (pData->osc.data.target == nullptr)

  1875.             return;

  1876. 

  1877.         osc_send_control(pData->osc.data, pData->param.data[index].rindex, value);

  1878.     }

  1879. 

  1880.     void uiMidiProgramChange(const uint32_t index) noexcept override

  1881.     {

  1882.         CARLA_SAFE_ASSERT_RETURN(index < pData->midiprog.count,);

  1883. 

  1884.         if (pData->osc.data.target == nullptr)

  1885.             return;

  1886. 

  1887.         osc_send_program(pData->osc.data, pData->midiprog.data[index].bank, pData->midiprog.data[index].program);

  1888.     }

  1889. 

  1890.     void uiNoteOn(const uint8_t channel, const uint8_t note, const uint8_t velo) noexcept override

  1891.     {

  1892.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  1893.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  1894.         CARLA_SAFE_ASSERT_RETURN(velo > 0 && velo < MAX_MIDI_VALUE,);

  1895. 

  1896.         if (pData->osc.data.target == nullptr)

  1897.             return;

  1898. 

  1899. #if 0

  1900.         uint8_t midiData[4];

  1901.         midiData[0] = 0;

  1902.         midiData[1] = static_cast<uint8_t>(MIDI_STATUS_NOTE_ON + channel);

  1903.         midiData[2] = note;

  1904.         midiData[3] = velo;

  1905. 

  1906.         osc_send_midi(pData->osc.data, midiData);

  1907. #endif

  1908.     }

  1909. 

  1910.     void uiNoteOff(const uint8_t channel, const uint8_t note) noexcept override

  1911.     {

  1912.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  1913.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  1914. 

  1915.         if (pData->osc.data.target == nullptr)

  1916.             return;

  1917. 

  1918. #if 0

  1919.         uint8_t midiData[4];

  1920.         midiData[0] = 0;

  1921.         midiData[1] = static_cast<uint8_t>(MIDI_STATUS_NOTE_OFF + channel);

  1922.         midiData[2] = note;

  1923.         midiData[3] = 0;

  1924. 

  1925.         osc_send_midi(pData->osc.data, midiData);

  1926. #endif

  1927.     }

  1928. 

  1929.     // -------------------------------------------------------------------

  1930. 

  1931.     const void* getExtraStuff() const noexcept override

  1932.     {

  1933.         return fUiFilename;

  1934.     }

  1935. 

  1936.     bool init(const char* const filename, const char* const name, const char* const label)

  1937.     {

  1938.         CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr, false);

  1939. 

  1940.         // ---------------------------------------------------------------

  1941.         // first checks

  1942. 

  1943.         if (pData->client != nullptr)

  1944.         {

  1945.             pData->engine->setLastError("Plugin client is already registered");

  1946.             return false;

  1947.         }

  1948. 

  1949.         if (filename == nullptr || filename[0] == '\0')

  1950.         {

  1951.             pData->engine->setLastError("null filename");

  1952.             return false;

  1953.         }

  1954. 

  1955.         if (label == nullptr || label[0] == '\0')

  1956.         {

  1957.             pData->engine->setLastError("null label");

  1958.             return false;

  1959.         }

  1960. 

  1961.         // ---------------------------------------------------------------

  1962.         // open DLL

  1963. 

  1964.         if (! pData->libOpen(filename))

  1965.         {

  1966.             pData->engine->setLastError(pData->libError(filename));

  1967.             return false;

  1968.         }

  1969. 

  1970.         // ---------------------------------------------------------------

  1971.         // get DLL main entry

  1972. 

  1973.         const DSSI_Descriptor_Function descFn = (DSSI_Descriptor_Function)pData->libSymbol("dssi_descriptor");

  1974. 

  1975.         if (descFn == nullptr)

  1976.         {

  1977.             pData->engine->setLastError("Could not find the DSSI Descriptor in the plugin library");

  1978.             return false;

  1979.         }

  1980. 

  1981.         // ---------------------------------------------------------------

  1982.         // get descriptor that matches label

  1983. 

  1984.         ulong i = 0;

  1985. 

  1986.         for (;;)

  1987.         {

  1988.             try {

  1989.                 fDssiDescriptor = descFn(i++);

  1990.             }

  1991.             catch(...) {

  1992.                 carla_stderr2("Caught exception when trying to get LADSPA descriptor");

  1993.                 fDescriptor     = nullptr;

  1994.                 fDssiDescriptor = nullptr;

  1995.                 break;

  1996.             }

  1997. 

  1998.             if (fDssiDescriptor == nullptr)

  1999.                 break;

  2000. 

  2001.             fDescriptor = fDssiDescriptor->LADSPA_Plugin;

  2002. 

  2003.             if (fDescriptor == nullptr)

  2004.             {

  2005.                 carla_stderr2("WARNING - Missing LADSPA interface, will not use this plugin");

  2006.                 fDssiDescriptor = nullptr;

  2007.                 break;

  2008.             }

  2009.             if (fDescriptor->Label == nullptr || fDescriptor->Label[0] == '\0')

  2010.             {

  2011.                 carla_stderr2("WARNING - Got an invalid label, will not use this plugin");

  2012.                 fDescriptor     = nullptr;

  2013.                 fDssiDescriptor = nullptr;

  2014.                 break;

  2015.             }

  2016.             if (fDescriptor->run == nullptr)

  2017.             {

  2018.                 carla_stderr2("WARNING - Plugin has no run, cannot use it");

  2019.                 fDescriptor     = nullptr;

  2020.                 fDssiDescriptor = nullptr;

  2021.                 break;

  2022.             }

  2023. 

  2024.             if (std::strcmp(fDescriptor->Label, label) == 0)

  2025.                 break;

  2026.         }

  2027. 

  2028.         if (fDescriptor == nullptr || fDssiDescriptor == nullptr)

  2029.         {

  2030.             pData->engine->setLastError("Could not find the requested plugin label in the plugin library");

  2031.             return false;

  2032.         }

  2033. 

  2034.         // ---------------------------------------------------------------

  2035.         // check if uses global instance

  2036. 

  2037.         if (fDssiDescriptor->run_synth == nullptr && fDssiDescriptor->run_multiple_synths != nullptr)

  2038.         {

  2039.             if (! addUniqueMultiSynth(fDescriptor->Label))

  2040.             {

  2041.                 pData->engine->setLastError("This plugin uses a global instance and can't be used more than once safely");

  2042.                 return false;

  2043.             }

  2044.         }

  2045. 

  2046.         // ---------------------------------------------------------------

  2047.         // get info

  2048. 

  2049.         if (name != nullptr && name[0] != '\0')

  2050.             pData->name = pData->engine->getUniquePluginName(name);

  2051.         else if (fDescriptor->Name != nullptr && fDescriptor->Name[0] != '\0')

  2052.             pData->name = pData->engine->getUniquePluginName(fDescriptor->Name);

  2053.         else

  2054.             pData->name = pData->engine->getUniquePluginName(fDescriptor->Label);

  2055. 

  2056.         pData->filename = carla_strdup(filename);

  2057. 

  2058.         // ---------------------------------------------------------------

  2059.         // register client

  2060. 

  2061.         pData->client = pData->engine->addClient(this);

  2062. 

  2063.         if (pData->client == nullptr || ! pData->client->isOk())

  2064.         {

  2065.             pData->engine->setLastError("Failed to register plugin client");

  2066.             return false;

  2067.         }

  2068. 

  2069.         // ---------------------------------------------------------------

  2070.         // initialize plugin

  2071. 

  2072.         try {

  2073.             fHandle = fDescriptor->instantiate(fDescriptor, (ulong)pData->engine->getSampleRate());

  2074.         } CARLA_SAFE_EXCEPTION("DSSI instantiate");

  2075. 

  2076.         if (fHandle == nullptr)

  2077.         {

  2078.             pData->engine->setLastError("Plugin failed to initialize");

  2079.             return false;

  2080.         }

  2081. 

  2082.         // ---------------------------------------------------------------

  2083.         // check for custom data extension

  2084. 

  2085.         if (fDssiDescriptor->configure != nullptr)

  2086.         {

  2087.             if (char* const error = fDssiDescriptor->configure(fHandle, DSSI_CUSTOMDATA_EXTENSION_KEY, ""))

  2088.             {

  2089.                 if (std::strcmp(error, "true") == 0 && fDssiDescriptor->get_custom_data != nullptr && fDssiDescriptor->set_custom_data != nullptr)

  2090.                     fUsesCustomData = true;

  2091. 

  2092.                 std::free(error);

  2093.             }

  2094.         }

  2095. 

  2096.         // ---------------------------------------------------------------

  2097.         // gui stuff

  2098. 

  2099.         if (const char* const guiFilename = find_dssi_ui(filename, fDescriptor->Label))

  2100.         {

  2101.             pData->osc.thread.setOscData(guiFilename, fDescriptor->Label);

  2102.             fUiFilename = guiFilename;

  2103.         }

  2104. 

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

  2106.         // set default options

  2107. 

  2108. #ifdef __USE_GNU

  2109.         const bool isDssiVst(strcasestr(pData->filename, "dssi-vst") != nullptr);

  2110. #else

  2111.         const bool isDssiVst(std::strstr(pData->filename, "dssi-vst") != nullptr);

  2112. #endif

  2113. 

  2114.         pData->options  = 0x0;

  2115.         pData->options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  2116. 

  2117.         if (fLatencyIndex >= 0 || isDssiVst)

  2118.             pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;

  2119. 

  2120.         if (pData->engine->getOptions().forceStereo)

  2121.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  2122. 

  2123.         if (fUsesCustomData)

  2124.             pData->options |= PLUGIN_OPTION_USE_CHUNKS;

  2125. 

  2126.         if (fDssiDescriptor->run_synth != nullptr || fDssiDescriptor->run_multiple_synths != nullptr)

  2127.         {

  2128.             pData->options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  2129.             pData->options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  2130.             pData->options |= PLUGIN_OPTION_SEND_PITCHBEND;

  2131.             pData->options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  2132. 

  2133.             if (fDssiDescriptor->run_synth == nullptr)

  2134.                 carla_stderr("WARNING: Plugin can ONLY use run_multiple_synths!");

  2135.         }

  2136. 

  2137.         return true;

  2138.     }

  2139. 

  2140.     // -------------------------------------------------------------------

  2141. 

  2142. private:

  2143.     LADSPA_Handle fHandle;

  2144.     LADSPA_Handle fHandle2;

  2145.     const LADSPA_Descriptor* fDescriptor;

  2146.     const DSSI_Descriptor*   fDssiDescriptor;

  2147. 

  2148.     bool fUsesCustomData;

  2149.     const char* fUiFilename;

  2150. 

  2151.     float** fAudioInBuffers;

  2152.     float** fAudioOutBuffers;

  2153.     float*  fParamBuffers;

  2154. 

  2155.     bool    fLatencyChanged;

  2156.     int32_t fLatencyIndex; // -1 if invalid

  2157. 

  2158.     snd_seq_event_t fMidiEvents[kPluginMaxMidiEvents];

  2159. 

  2160.     // -------------------------------------------------------------------

  2161. 

  2162.     uint32_t getSafePortCount() const noexcept

  2163.     {

  2164.         if (fDescriptor->PortCount == 0)

  2165.             return 0;

  2166. 

  2167.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortDescriptors != nullptr, 0);

  2168.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortRangeHints != nullptr, 0);

  2169.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortNames != nullptr, 0);

  2170. 

  2171.         return static_cast<uint32_t>(fDescriptor->PortCount);

  2172.     }

  2173. 

  2174.     bool getSeparatedParameterNameOrUnit(const char* const paramName, char* const strBuf, const bool wantName) const noexcept

  2175.     {

  2176.         if (_getSeparatedParameterNameOrUnitImpl(paramName, strBuf, wantName, true))

  2177.             return true;

  2178.         if (_getSeparatedParameterNameOrUnitImpl(paramName, strBuf, wantName, false))

  2179.             return true;

  2180.         return false;

  2181.     }

  2182. 

  2183.     bool _getSeparatedParameterNameOrUnitImpl(const char* const paramName, char* const strBuf, const bool wantName, const bool useBracket) const noexcept

  2184.     {

  2185.         const char* const sepBracketStart(std::strstr(paramName, useBracket ? " [" : " ("));

  2186. 

  2187.         if (sepBracketStart == nullptr)

  2188.             return false;

  2189. 

  2190.         const char* const sepBracketEnd(std::strstr(sepBracketStart, useBracket ? "]" : ")"));

  2191. 

  2192.         if (sepBracketEnd == nullptr)

  2193.             return false;

  2194. 

  2195.         const size_t unitSize(static_cast<size_t>(sepBracketEnd-sepBracketStart-2));

  2196. 

  2197.         if (unitSize > 7) // very unlikely to have such big unit

  2198.             return false;

  2199. 

  2200.         const size_t sepIndex(std::strlen(paramName)-unitSize-3);

  2201. 

  2202.         // just in case

  2203.         if (sepIndex > STR_MAX)

  2204.             return false;

  2205. 

  2206.         if (wantName)

  2207.         {

  2208.             std::strncpy(strBuf, paramName, sepIndex);

  2209.             strBuf[sepIndex] = '\0';

  2210.         }

  2211.         else

  2212.         {

  2213.             std::strncpy(strBuf, paramName+(sepIndex+2), unitSize);

  2214.             strBuf[unitSize] = '\0';

  2215.         }

  2216. 

  2217.         return true;

  2218.     }

  2219. 

  2220.     // -------------------------------------------------------------------

  2221. 

  2222.     static LinkedList<const char*> sMultiSynthList;

  2223. 

  2224.     static bool addUniqueMultiSynth(const char* const label) noexcept

  2225.     {

  2226.         CARLA_SAFE_ASSERT_RETURN(label != nullptr && label[0] != '\0', false);

  2227. 

  2228.         const char* dlabel = nullptr;

  2229. 

  2230.         try {

  2231.             dlabel = carla_strdup(label);

  2232.         } catch(...) { return false; }

  2233. 

  2234.         for (LinkedList<const char*>::Itenerator it = sMultiSynthList.begin(); it.valid(); it.next())

  2235.         {

  2236.             const char* const itLabel(it.getValue());

  2237. 

  2238.             if (std::strcmp(dlabel, itLabel) == 0)

  2239.             {

  2240.                 delete[] dlabel;

  2241.                 return false;

  2242.             }

  2243.         }

  2244. 

  2245.         return sMultiSynthList.append(dlabel);

  2246.     }

  2247. 

  2248.     static void removeUniqueMultiSynth(const char* const label) noexcept

  2249.     {

  2250.         CARLA_SAFE_ASSERT_RETURN(label != nullptr && label[0] != '\0',);

  2251. 

  2252.         for (LinkedList<const char*>::Itenerator it = sMultiSynthList.begin(); it.valid(); it.next())

  2253.         {

  2254.             const char* const itLabel(it.getValue());

  2255. 

  2256.             if (std::strcmp(label, itLabel) == 0)

  2257.             {

  2258.                 sMultiSynthList.remove(it);

  2259.                 delete[] itLabel;

  2260.                 break;

  2261.             }

  2262.         }

  2263.     }

  2264. 

  2265.     // -------------------------------------------------------------------

  2266. 

  2267.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(DssiPlugin)

  2268. };

  2269. 

  2270. LinkedList<const char*> DssiPlugin::sMultiSynthList;

  2271. 

  2272. CARLA_BACKEND_END_NAMESPACE

  2273. 

  2274. #endif // WANT_DSSI

  2275. 

  2276. // -------------------------------------------------------------------------------------------------------------------

  2277. 

  2278. CARLA_BACKEND_START_NAMESPACE

  2279. 

  2280. CarlaPlugin* CarlaPlugin::newDSSI(const Initializer& init)

  2281. {

  2282.     carla_debug("CarlaPlugin::newDSSI({%p, \"%s\", \"%s\", \"%s\", " P_INT64 "})", init.engine, init.filename, init.name, init.label, init.uniqueId);

  2283. 

  2284. #ifdef WANT_DSSI

  2285.     DssiPlugin* const plugin(new DssiPlugin(init.engine, init.id));

  2286. 

  2287.     if (! plugin->init(init.filename, init.name, init.label))

  2288.     {

  2289.         delete plugin;

  2290.         return nullptr;

  2291.     }

  2292. 

  2293.     plugin->reload();

  2294. 

  2295.     if (init.engine->getProccessMode() == ENGINE_PROCESS_MODE_CONTINUOUS_RACK && ! plugin->canRunInRack())

  2296.     {

  2297.         init.engine->setLastError("Carla's rack mode can only work with Mono or Stereo DSSI plugins, sorry!");

  2298.         delete plugin;

  2299.         return nullptr;

  2300.     }

  2301. 

  2302.     return plugin;

  2303. #else

  2304.     init.engine->setLastError("DSSI support not available");

  2305.     return nullptr;

  2306. #endif

  2307. }

  2308. 

  2309. CARLA_BACKEND_END_NAMESPACE

  2310. 

  2311. // -------------------------------------------------------------------------------------------------------------------