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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. #include "CarlaMathUtils.hpp"

  25. 

  26. // FIXME

  27. #include <QtCore/QByteArray>

  28. 

  29. // -----------------------------------------------------

  30. 

  31. CARLA_BACKEND_START_NAMESPACE

  32. 

  33. #if 0

  34. }

  35. #endif

  36. 

  37. // -----------------------------------------------------

  38. 

  39. class DssiPlugin : public CarlaPlugin

  40. {

  41. public:

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

  43.         : CarlaPlugin(engine, id),

  44.           fHandle(nullptr),

  45.           fHandle2(nullptr),

  46.           fDescriptor(nullptr),

  47.           fDssiDescriptor(nullptr),

  48.           fUsesCustomData(false),

  49.           fUiFilename(nullptr),

  50.           fAudioInBuffers(nullptr),

  51.           fAudioOutBuffers(nullptr),

  52.           fParamBuffers(nullptr),

  53.           fLatencyChanged(false),

  54.           fLatencyIndex(-1)

  55.     {

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

  57. 

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

  59.     }

  60. 

  61.     ~DssiPlugin() noexcept override

  62.     {

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

  64. 

  65.         // close UI

  66.         if (pData->hints & PLUGIN_HAS_CUSTOM_UI)

  67.         {

  68.             showCustomUI(false);

  69. 

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

  71.         }

  72. 

  73.         pData->singleMutex.lock();

  74.         pData->masterMutex.lock();

  75. 

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

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

  78. 

  79.         if (pData->active)

  80.         {

  81.             deactivate();

  82.             pData->active = false;

  83.         }

  84. 

  85.         if (fDescriptor != nullptr)

  86.         {

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

  88.                 removeUniqueMultiSynth(fDescriptor->Label);

  89. 

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

  91.             {

  92.                 if (fHandle != nullptr)

  93.                 {

  94.                     try {

  95.                         fDescriptor->cleanup(fHandle);

  96.                     } CARLA_SAFE_EXCEPTION("DSSI cleanup");

  97.                 }

  98. 

  99.                 if (fHandle2 != nullptr)

  100.                 {

  101.                     try {

  102.                         fDescriptor->cleanup(fHandle2);

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

  104.                 }

  105.             }

  106. 

  107.             fHandle  = nullptr;

  108.             fHandle2 = nullptr;

  109.             fDescriptor = nullptr;

  110.             fDssiDescriptor = nullptr;

  111.         }

  112. 

  113.         if (fUiFilename != nullptr)

  114.         {

  115.             delete[] fUiFilename;

  116.             fUiFilename = nullptr;

  117.         }

  118. 

  119.         clearBuffers();

  120.     }

  121. 

  122.     // -------------------------------------------------------------------

  123.     // Information (base)

  124. 

  125.     PluginType getType() const noexcept override

  126.     {

  127.         return PLUGIN_DSSI;

  128.     }

  129. 

  130.     PluginCategory getCategory() const noexcept override

  131.     {

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

  133. 

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

  135.             return PLUGIN_CATEGORY_SYNTH;

  136. 

  137.         return CarlaPlugin::getCategory();

  138.     }

  139. 

  140.     int64_t getUniqueId() const noexcept override

  141.     {

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

  143. 

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

  145.     }

  146. 

  147.     // -------------------------------------------------------------------

  148.     // Information (count)

  149. 

  150.     // nothing

  151. 

  152.     // -------------------------------------------------------------------

  153.     // Information (current data)

  154. 

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

  156.     {

  157.         CARLA_SAFE_ASSERT_RETURN(fUsesCustomData, 0);

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

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

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

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

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

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

  164. 

  165.         int ret = 0;

  166.         ulong dataSize = 0;

  167. 

  168.         try {

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

  170.         } catch(...) {}

  171. 

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

  173.     }

  174. 

  175.     // -------------------------------------------------------------------

  176.     // Information (per-plugin data)

  177. 

  178.     uint getOptionsAvailable() const noexcept override

  179.     {

  180. #ifdef __USE_GNU

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

  182. #else

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

  184. #endif

  185. 

  186.         uint options = 0x0;

  187. 

  188.         options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  189. 

  190.         if (! isDssiVst)

  191.         {

  192.             if (fLatencyIndex == -1)

  193.                 options |= PLUGIN_OPTION_FIXED_BUFFERS;

  194. 

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

  196.             {

  197.                 if (pData->options & PLUGIN_OPTION_FORCE_STEREO)

  198.                     options |= PLUGIN_OPTION_FORCE_STEREO;

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

  200.                     options |= PLUGIN_OPTION_FORCE_STEREO;

  201.             }

  202.         }

  203. 

  204.         if (fUsesCustomData)

  205.             options |= PLUGIN_OPTION_USE_CHUNKS;

  206. 

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

  208.         {

  209.             options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  210.             options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  211.             options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  212.             options |= PLUGIN_OPTION_SEND_PITCHBEND;

  213.             options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  214.         }

  215. 

  216.         return options;

  217.     }

  218. 

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

  220.     {

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

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

  223. 

  224.         return fParamBuffers[parameterId];

  225.     }

  226. 

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

  228.     {

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

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

  231. 

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

  233.     }

  234. 

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

  236.     {

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

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

  239. 

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

  241.     }

  242. 

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

  244.     {

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

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

  247. 

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

  249.     }

  250. 

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

  252.     {

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

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

  255. 

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

  257.     }

  258. 

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

  260.     {

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

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

  263. 

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

  265. 

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

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

  268. 

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

  270.             return;

  271. 

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

  273.     }

  274. 

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

  276.     {

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

  278. 

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

  280. 

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

  282. 

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

  284.             return;

  285. 

  286.         nullStrBuf(strBuf);

  287.     }

  288. 

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

  290.     // Set data (state)

  291. 

  292.     // nothing

  293. 

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

  295.     // Set data (internal stuff)

  296. 

  297.     // nothing

  298. 

  299.     // -------------------------------------------------------------------

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

  301. 

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

  303.     {

  304.         CARLA_SAFE_ASSERT_RETURN(fParamBuffers != nullptr,);

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

  306. 

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

  308.         fParamBuffers[parameterId] = fixedValue;

  309. 

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

  311.     }

  312. 

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

  314.     {

  315.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

  316.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

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

  319.         CARLA_SAFE_ASSERT_RETURN(value != nullptr,);

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

  321. 

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

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

  324. 

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

  326.         {

  327.             try {

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

  329.             } catch(...) {}

  330. 

  331.             if (fHandle2 != nullptr)

  332.             {

  333.                 try {

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

  335.                 } catch(...) {}

  336.             }

  337.         }

  338. 

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

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

  341. 

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

  343.         {

  344.             const ScopedSingleProcessLocker spl(this, true);

  345.             reloadPrograms(false);

  346.         }

  347. 

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

  349.     }

  350. 

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

  352.     {

  353.         CARLA_SAFE_ASSERT_RETURN(fUsesCustomData,);

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

  355.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

  357.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  358.         CARLA_SAFE_ASSERT_RETURN(fHandle2 == nullptr,);

  359.         CARLA_SAFE_ASSERT_RETURN(stringData != nullptr,);

  360. 

  361.         QByteArray chunk(QByteArray::fromBase64(stringData));

  362. 

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

  364. 

  365.         {

  366.             const ScopedSingleProcessLocker spl(this, true);

  367. 

  368.             try {

  369.                 fDssiDescriptor->set_custom_data(fHandle, chunk.data(), static_cast<ulong>(chunk.size()));

  370.             } catch(...) {}

  371.         }

  372. 

  373. #ifdef BUILD_BRIDGE

  374.         const bool sendOsc(false);

  375. #else

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

  377. #endif

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

  379.     }

  380. 

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

  382.     {

  383.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

  385.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  387. 

  388.         if (index >= 0)

  389.         {

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

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

  392. 

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

  394. 

  395.             try {

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

  397.             } catch(...) {}

  398. 

  399.             if (fHandle2 != nullptr)

  400.             {

  401.                 try {

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

  403.                 } catch(...) {}

  404.             }

  405.         }

  406. 

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

  408.     }

  409. 

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

  411.     // Set ui stuff

  412. 

  413.     void showCustomUI(const bool yesNo) override

  414.     {

  415.         if (yesNo)

  416.         {

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

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

  419.         }

  420.         else

  421.         {

  422.             pData->transientTryCounter = 0;

  423. 

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

  425.             {

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

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

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

  429.             }

  430. 

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

  432.         }

  433.     }

  434. 

  435.     void idle() override

  436.     {

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

  438.         {

  439.             fLatencyChanged = false;

  440. 

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

  442. 

  443.             if (latency >= 0)

  444.             {

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

  446. 

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

  448.                 {

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

  450. 

  451.                     const ScopedSingleProcessLocker sspl(this, true);

  452. 

  453.                     pData->latency = ulatency;

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

  455. #ifndef BUILD_BRIDGE

  456.                     pData->recreateLatencyBuffers();

  457. #endif

  458.                 }

  459.             }

  460.             else

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

  462.         }

  463.     }

  464. 

  465.     // -------------------------------------------------------------------

  466.     // Plugin state

  467. 

  468.     void reload() override

  469.     {

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

  471.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  472.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

  473.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  475. 

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

  477. 

  478.         // Safely disable plugin for reload

  479.         const ScopedDisabler sd(this);

  480. 

  481.         if (pData->active)

  482.             deactivate();

  483. 

  484.         clearBuffers();

  485. 

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

  487.         const uint32_t portCount(getSafePortCount());

  488. 

  489.         uint32_t aIns, aOuts, mIns, params;

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

  491. 

  492.         bool forcedStereoIn, forcedStereoOut;

  493.         forcedStereoIn = forcedStereoOut = false;

  494. 

  495.         bool needsCtrlIn, needsCtrlOut;

  496.         needsCtrlIn = needsCtrlOut = false;

  497. 

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

  499.         {

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

  501. 

  502.             if (LADSPA_IS_PORT_AUDIO(portType))

  503.             {

  504.                 if (LADSPA_IS_PORT_INPUT(portType))

  505.                     aIns += 1;

  506.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  507.                     aOuts += 1;

  508.             }

  509.             else if (LADSPA_IS_PORT_CONTROL(portType))

  510.                 params += 1;

  511.         }

  512. 

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

  514.         {

  515.             if (fHandle2 == nullptr)

  516.             {

  517.                 try {

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

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

  520.             }

  521. 

  522.             if (fHandle2 != nullptr)

  523.             {

  524.                 if (aIns == 1)

  525.                 {

  526.                     aIns = 2;

  527.                     forcedStereoIn = true;

  528.                 }

  529. 

  530.                 if (aOuts == 1)

  531.                 {

  532.                     aOuts = 2;

  533.                     forcedStereoOut = true;

  534.                 }

  535.             }

  536.         }

  537. 

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

  539.         {

  540.             mIns = 1;

  541.             needsCtrlIn = true;

  542.         }

  543. 

  544.         if (aIns > 0)

  545.         {

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

  547.             fAudioInBuffers = new float*[aIns];

  548. 

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

  550.                 fAudioInBuffers[i] = nullptr;

  551.         }

  552. 

  553.         if (aOuts > 0)

  554.         {

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

  556.             fAudioOutBuffers = new float*[aOuts];

  557.             needsCtrlIn = true;

  558. 

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

  560.                 fAudioOutBuffers[i] = nullptr;

  561.         }

  562. 

  563.         if (params > 0)

  564.         {

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

  566. 

  567.             fParamBuffers = new float[params];

  568.             FloatVectorOperations::clear(fParamBuffers, params);

  569.         }

  570. 

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

  572.         CarlaString portName;

  573. 

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

  575.         {

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

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

  578. 

  579.             if (LADSPA_IS_PORT_AUDIO(portType))

  580.             {

  581.                 portName.clear();

  582. 

  583.                 if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  584.                 {

  585.                     portName  = pData->name;

  586.                     portName += ":";

  587.                 }

  588. 

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

  590.                 {

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

  592.                 }

  593.                 else

  594.                 {

  595.                     if (LADSPA_IS_PORT_INPUT(portType))

  596.                     {

  597.                         if (aIns > 1)

  598.                         {

  599.                             portName += "audio-in_";

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

  601.                         }

  602.                         else

  603.                             portName += "audio-in";

  604.                     }

  605.                     else

  606.                     {

  607.                         if (aOuts > 1)

  608.                         {

  609.                             portName += "audio-out_";

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

  611.                         }

  612.                         else

  613.                             portName += "audio-out";

  614.                     }

  615.                 }

  616. 

  617.                 portName.truncate(portNameSize);

  618. 

  619.                 if (LADSPA_IS_PORT_INPUT(portType))

  620.                 {

  621.                     const uint32_t j = iAudioIn++;

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

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

  624. 

  625.                     if (forcedStereoIn)

  626.                     {

  627.                         portName += "_2";

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

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

  630.                     }

  631.                 }

  632.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  633.                 {

  634.                     const uint32_t j = iAudioOut++;

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

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

  637. 

  638.                     if (forcedStereoOut)

  639.                     {

  640.                         portName += "_2";

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

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

  643.                     }

  644.                 }

  645.                 else

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

  647.             }

  648.             else if (LADSPA_IS_PORT_CONTROL(portType))

  649.             {

  650.                 const uint32_t j = iCtrl++;

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

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

  653. 

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

  655. 

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

  657. 

  658.                 // min value

  659.                 if (LADSPA_IS_HINT_BOUNDED_BELOW(portRangeHints.HintDescriptor))

  660.                     min = portRangeHints.LowerBound;

  661.                 else

  662.                     min = 0.0f;

  663. 

  664.                 // max value

  665.                 if (LADSPA_IS_HINT_BOUNDED_ABOVE(portRangeHints.HintDescriptor))

  666.                     max = portRangeHints.UpperBound;

  667.                 else

  668.                     max = 1.0f;

  669. 

  670.                 if (min > max)

  671.                 {

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

  673.                     min = max - 0.1f;

  674.                 }

  675.                 else if (min == max)

  676.                 {

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

  678.                     max = min + 0.1f;

  679.                 }

  680. 

  681.                 // default value

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

  683. 

  684.                 if (def < min)

  685.                     def = min;

  686.                 else if (def > max)

  687.                     def = max;

  688. 

  689.                 if (LADSPA_IS_HINT_SAMPLE_RATE(portRangeHints.HintDescriptor))

  690.                 {

  691.                     min *= sampleRate;

  692.                     max *= sampleRate;

  693.                     def *= sampleRate;

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

  695.                 }

  696. 

  697.                 if (LADSPA_IS_HINT_TOGGLED(portRangeHints.HintDescriptor))

  698.                 {

  699.                     step = max - min;

  700.                     stepSmall = step;

  701.                     stepLarge = step;

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

  703.                 }

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

  705.                 {

  706.                     step = 1.0f;

  707.                     stepSmall = 1.0f;

  708.                     stepLarge = 10.0f;

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

  710.                 }

  711.                 else

  712.                 {

  713.                     const float range = max - min;

  714.                     step = range/100.0f;

  715.                     stepSmall = range/1000.0f;

  716.                     stepLarge = range/10.0f;

  717.                 }

  718. 

  719.                 if (LADSPA_IS_PORT_INPUT(portType))

  720.                 {

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

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

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

  724.                     needsCtrlIn = true;

  725. 

  726.                     // MIDI CC value

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

  728.                     {

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

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

  731.                         {

  732.                             int16_t cc = DSSI_CC_NUMBER(controller);

  733.                             if (! MIDI_IS_CONTROL_BANK_SELECT(cc))

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

  735.                         }

  736.                     }

  737.                 }

  738.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  739.                 {

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

  741. 

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

  743.                     {

  744.                         min = 0.0f;

  745.                         max = sampleRate;

  746.                         def = 0.0f;

  747.                         step = 1.0f;

  748.                         stepSmall = 1.0f;

  749.                         stepLarge = 1.0f;

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

  751.                         CARLA_SAFE_ASSERT(fLatencyIndex == -1);

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

  753.                     }

  754.                     else

  755.                     {

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

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

  758.                         needsCtrlOut = true;

  759.                     }

  760.                 }

  761.                 else

  762.                 {

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

  764.                 }

  765. 

  766.                 // extra parameter hints

  767.                 if (LADSPA_IS_HINT_LOGARITHMIC(portRangeHints.HintDescriptor))

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

  769. 

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

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

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

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

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

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

  776. 

  777.                 // Start parameters in their default values

  778.                 fParamBuffers[j] = def;

  779. 

  780.                 try {

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

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

  783. 

  784.                 if (fHandle2 != nullptr)

  785.                 {

  786.                     try {

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

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

  789.                 }

  790.             }

  791.             else

  792.             {

  793.                 // Not Audio or Control

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

  795. 

  796.                 try {

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

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

  799. 

  800.                 if (fHandle2 != nullptr)

  801.                 {

  802.                     try {

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

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

  805.                 }

  806.             }

  807.         }

  808. 

  809.         if (needsCtrlIn)

  810.         {

  811.             portName.clear();

  812. 

  813.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  814.             {

  815.                 portName  = pData->name;

  816.                 portName += ":";

  817.             }

  818. 

  819.             portName += "events-in";

  820.             portName.truncate(portNameSize);

  821. 

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

  823.         }

  824. 

  825.         if (needsCtrlOut)

  826.         {

  827.             portName.clear();

  828. 

  829.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  830.             {

  831.                 portName  = pData->name;

  832.                 portName += ":";

  833.             }

  834. 

  835.             portName += "events-out";

  836.             portName.truncate(portNameSize);

  837. 

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

  839.         }

  840. 

  841.         if (forcedStereoIn || forcedStereoOut)

  842.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  843.         else

  844.             pData->options &= ~PLUGIN_OPTION_FORCE_STEREO;

  845. 

  846.         // plugin hints

  847.         pData->hints = 0x0;

  848. 

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

  850.             pData->hints |= PLUGIN_IS_RTSAFE;

  851. 

  852.         if (fUiFilename != nullptr)

  853.             pData->hints |= PLUGIN_HAS_CUSTOM_UI;

  854. 

  855. #ifndef BUILD_BRIDGE

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

  857.             pData->hints |= PLUGIN_CAN_DRYWET;

  858. 

  859.         if (aOuts > 0)

  860.             pData->hints |= PLUGIN_CAN_VOLUME;

  861. 

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

  863.             pData->hints |= PLUGIN_CAN_BALANCE;

  864. #endif

  865. 

  866.         // extra plugin hints

  867.         pData->extraHints = 0x0;

  868. 

  869.         if (mIns > 0)

  870.             pData->extraHints |= PLUGIN_EXTRA_HINT_HAS_MIDI_IN;

  871. 

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

  873.             pData->extraHints |= PLUGIN_EXTRA_HINT_CAN_RUN_RACK;

  874. 

  875.         // check latency

  876.         if (fLatencyIndex >= 0)

  877.         {

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

  879. 

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

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

  882. 

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

  884.             {

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

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

  887. 

  888.                 try {

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

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

  891.             }

  892. 

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

  894.             {

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

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

  897. 

  898.                 try {

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

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

  901.             }

  902. 

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

  904.             {

  905.                 try {

  906.                     fDescriptor->activate(fHandle);

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

  908.             }

  909. 

  910.             try {

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

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

  913. 

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

  915.             {

  916.                 try {

  917.                     fDescriptor->deactivate(fHandle);

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

  919.             }

  920. 

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

  922. 

  923.             if (latency >= 0)

  924.             {

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

  926. 

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

  928.                 {

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

  930. 

  931.                     pData->latency = ulatency;

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

  933. #ifndef BUILD_BRIDGE

  934.                     pData->recreateLatencyBuffers();

  935. #endif

  936.                 }

  937.             }

  938.             else

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

  940. 

  941.             fLatencyChanged = false;

  942.         }

  943. 

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

  945.         reloadPrograms(true);

  946. 

  947.         if (pData->active)

  948.             activate();

  949. 

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

  951.     }

  952. 

  953.     void reloadPrograms(const bool doInit) override

  954.     {

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

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

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

  958. 

  959.         // Delete old programs

  960.         pData->midiprog.clear();

  961. 

  962.         // Query new programs

  963.         uint32_t newCount = 0;

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

  965.         {

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

  967.                 ++newCount;

  968.         }

  969. 

  970.         if (newCount > 0)

  971.         {

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

  973. 

  974.             // Update data

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

  976.             {

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

  978.                 CARLA_SAFE_ASSERT_CONTINUE(pdesc != nullptr);

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

  980. 

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

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

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

  984.             }

  985.         }

  986. 

  987. #ifndef BUILD_BRIDGE

  988.         // Update OSC Names

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

  990.         {

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

  992. 

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

  994.                 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);

  995.         }

  996. #endif

  997. 

  998.         if (doInit)

  999.         {

  1000.             if (newCount > 0)

  1001.                 setMidiProgram(0, false, false, false);

  1002.         }

  1003.         else

  1004.         {

  1005.             // Check if current program is invalid

  1006.             bool programChanged = false;

  1007. 

  1008.             if (newCount == oldCount+1)

  1009.             {

  1010.                 // one midi program added, probably created by user

  1011.                 pData->midiprog.current = static_cast<int32_t>(oldCount);

  1012.                 programChanged = true;

  1013.             }

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

  1015.             {

  1016.                 // programs exist now, but not before

  1017.                 pData->midiprog.current = 0;

  1018.                 programChanged = true;

  1019.             }

  1020.             else if (current >= 0 && newCount == 0)

  1021.             {

  1022.                 // programs existed before, but not anymore

  1023.                 pData->midiprog.current = -1;

  1024.                 programChanged = true;

  1025.             }

  1026.             else if (current >= static_cast<int32_t>(newCount))

  1027.             {

  1028.                 // current midi program > count

  1029.                 pData->midiprog.current = 0;

  1030.                 programChanged = true;

  1031.             }

  1032.             else

  1033.             {

  1034.                 // no change

  1035.                 pData->midiprog.current = current;

  1036.             }

  1037. 

  1038.             if (programChanged)

  1039.                 setMidiProgram(pData->midiprog.current, true, true, true);

  1040. 

  1041.             pData->engine->callback(ENGINE_CALLBACK_RELOAD_PROGRAMS, pData->id, 0, 0, 0.0f, nullptr);

  1042.         }

  1043.     }

  1044. 

  1045.     // -------------------------------------------------------------------

  1046.     // Plugin processing

  1047. 

  1048.     void activate() noexcept override

  1049.     {

  1050.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1051.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  1052. 

  1053.         if (fDescriptor->activate != nullptr)

  1054.         {

  1055.             try {

  1056.                 fDescriptor->activate(fHandle);

  1057.             } CARLA_SAFE_EXCEPTION("DSSI activate");

  1058. 

  1059.             if (fHandle2 != nullptr)

  1060.             {

  1061.                 try {

  1062.                     fDescriptor->activate(fHandle2);

  1063.                 } CARLA_SAFE_EXCEPTION("DSSI activate #2");

  1064.             }

  1065.         }

  1066.     }

  1067. 

  1068.     void deactivate() noexcept override

  1069.     {

  1070.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1071.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  1072. 

  1073.         if (fDescriptor->deactivate != nullptr)

  1074.         {

  1075.             try {

  1076.                 fDescriptor->deactivate(fHandle);

  1077.             } CARLA_SAFE_EXCEPTION("DSSI deactivate");

  1078. 

  1079.             if (fHandle2 != nullptr)

  1080.             {

  1081.                 try {

  1082.                     fDescriptor->deactivate(fHandle2);

  1083.                 } CARLA_SAFE_EXCEPTION("DSSI deactivate #2");

  1084.             }

  1085.         }

  1086.     }

  1087. 

  1088.     void process(float** const inBuffer, float** const outBuffer, const uint32_t frames) override

  1089.     {

  1090.         // --------------------------------------------------------------------------------------------------------

  1091.         // Check if active

  1092. 

  1093.         if (! pData->active)

  1094.         {

  1095.             // disable any output sound

  1096.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1097.                 FloatVectorOperations::clear(outBuffer[i], frames);

  1098.             return;

  1099.         }

  1100. 

  1101.         ulong midiEventCount = 0;

  1102. 

  1103.         // --------------------------------------------------------------------------------------------------------

  1104.         // Check if needs reset

  1105. 

  1106.         if (pData->needsReset)

  1107.         {

  1108.             if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1109.             {

  1110.                 midiEventCount = MAX_MIDI_CHANNELS*2;

  1111.                 carla_zeroStruct<snd_seq_event_t>(fMidiEvents, midiEventCount);

  1112. 

  1113.                 for (uchar i=0, k=MAX_MIDI_CHANNELS; i < MAX_MIDI_CHANNELS; ++i)

  1114.                 {

  1115.                     fMidiEvents[i].type = SND_SEQ_EVENT_CONTROLLER;

  1116.                     fMidiEvents[i].data.control.channel = i;

  1117.                     fMidiEvents[i].data.control.param   = MIDI_CONTROL_ALL_NOTES_OFF;

  1118. 

  1119.                     fMidiEvents[k+i].type = SND_SEQ_EVENT_CONTROLLER;

  1120.                     fMidiEvents[k+i].data.control.channel = i;

  1121.                     fMidiEvents[k+i].data.control.param   = MIDI_CONTROL_ALL_SOUND_OFF;

  1122.                 }

  1123.             }

  1124.             else if (pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1125.             {

  1126.                 midiEventCount = MAX_MIDI_NOTE;

  1127.                 carla_zeroStruct<snd_seq_event_t>(fMidiEvents, midiEventCount);

  1128. 

  1129.                 for (uchar i=0; i < MAX_MIDI_NOTE; ++i)

  1130.                 {

  1131.                     fMidiEvents[i].type = SND_SEQ_EVENT_NOTEOFF;

  1132.                     fMidiEvents[i].data.note.channel = static_cast<uchar>(pData->ctrlChannel);

  1133.                     fMidiEvents[i].data.note.note    = i;

  1134.                 }

  1135.             }

  1136. 

  1137. #ifndef BUILD_BRIDGE

  1138.             if (pData->latency > 0)

  1139.             {

  1140.                 for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1141.                     FloatVectorOperations::clear(pData->latencyBuffers[i], pData->latency);

  1142.             }

  1143. #endif

  1144. 

  1145.             pData->needsReset = false;

  1146.         }

  1147. 

  1148.         // --------------------------------------------------------------------------------------------------------

  1149.         // Event Input and Processing

  1150. 

  1151.         if (pData->event.portIn != nullptr)

  1152.         {

  1153.             // ----------------------------------------------------------------------------------------------------

  1154.             // MIDI Input (External)

  1155. 

  1156.             if (pData->extNotes.mutex.tryLock())

  1157.             {

  1158.                 ExternalMidiNote note = { 0, 0, 0 };

  1159. 

  1160.                 for (; midiEventCount < kPluginMaxMidiEvents && ! pData->extNotes.data.isEmpty();)

  1161.                 {

  1162.                     note = pData->extNotes.data.getFirst(note, true);

  1163. 

  1164.                     CARLA_SAFE_ASSERT_CONTINUE(note.channel >= 0 && note.channel < MAX_MIDI_CHANNELS);

  1165. 

  1166.                     snd_seq_event_t& midiEvent(fMidiEvents[midiEventCount++]);

  1167.                     carla_zeroStruct<snd_seq_event_t>(midiEvent);

  1168. 

  1169.                     midiEvent.type               = (note.velo > 0) ? SND_SEQ_EVENT_NOTEON : SND_SEQ_EVENT_NOTEOFF;

  1170.                     midiEvent.data.note.channel  = static_cast<uchar>(note.channel);

  1171.                     midiEvent.data.note.note     = note.note;

  1172.                     midiEvent.data.note.velocity = note.velo;

  1173.                 }

  1174. 

  1175.                 pData->extNotes.mutex.unlock();

  1176. 

  1177.             } // End of MIDI Input (External)

  1178. 

  1179.             // ----------------------------------------------------------------------------------------------------

  1180.             // Event Input (System)

  1181. 

  1182.             bool       allNotesOffSent  = false;

  1183.             const bool isSampleAccurate = (pData->options & PLUGIN_OPTION_FIXED_BUFFERS) == 0;

  1184. 

  1185.             uint32_t numEvents  = pData->event.portIn->getEventCount();

  1186.             uint32_t startTime  = 0;

  1187.             uint32_t timeOffset = 0;

  1188.             uint32_t nextBankId;

  1189. 

  1190.             if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1191.                 nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1192.             else

  1193.                 nextBankId = 0;

  1194. 

  1195.             for (uint32_t i=0; i < numEvents; ++i)

  1196.             {

  1197.                 const EngineEvent& event(pData->event.portIn->getEvent(i));

  1198. 

  1199.                 if (event.time >= frames)

  1200.                     continue;

  1201. 

  1202.                 CARLA_ASSERT_INT2(event.time >= timeOffset, event.time, timeOffset);

  1203. 

  1204.                 if (isSampleAccurate && event.time > timeOffset)

  1205.                 {

  1206.                     if (processSingle(inBuffer, outBuffer, event.time - timeOffset, timeOffset, midiEventCount))

  1207.                     {

  1208.                         startTime  = 0;

  1209.                         timeOffset = event.time;

  1210.                         midiEventCount = 0;

  1211. 

  1212.                         if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1213.                             nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1214.                         else

  1215.                             nextBankId = 0;

  1216.                     }

  1217.                     else

  1218.                         startTime += timeOffset;

  1219.                 }

  1220. 

  1221.                 switch (event.type)

  1222.                 {

  1223.                 case kEngineEventTypeNull:

  1224.                     break;

  1225. 

  1226.                 case kEngineEventTypeControl: {

  1227.                     const EngineControlEvent& ctrlEvent(event.ctrl);

  1228. 

  1229.                     switch (ctrlEvent.type)

  1230.                     {

  1231.                     case kEngineControlEventTypeNull:

  1232.                         break;

  1233. 

  1234.                     case kEngineControlEventTypeParameter: {

  1235. #ifndef BUILD_BRIDGE

  1236.                         // Control backend stuff

  1237.                         if (event.channel == pData->ctrlChannel)

  1238.                         {

  1239.                             float value;

  1240. 

  1241.                             if (MIDI_IS_CONTROL_BREATH_CONTROLLER(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_DRYWET) != 0)

  1242.                             {

  1243.                                 value = ctrlEvent.value;

  1244.                                 setDryWet(value, false, false);

  1245.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_DRYWET, 0, value);

  1246.                                 break;

  1247.                             }

  1248. 

  1249.                             if (MIDI_IS_CONTROL_CHANNEL_VOLUME(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_VOLUME) != 0)

  1250.                             {

  1251.                                 value = ctrlEvent.value*127.0f/100.0f;

  1252.                                 setVolume(value, false, false);

  1253.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_VOLUME, 0, value);

  1254.                                 break;

  1255.                             }

  1256. 

  1257.                             if (MIDI_IS_CONTROL_BALANCE(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_BALANCE) != 0)

  1258.                             {

  1259.                                 float left, right;

  1260.                                 value = ctrlEvent.value/0.5f - 1.0f;

  1261. 

  1262.                                 if (value < 0.0f)

  1263.                                 {

  1264.                                     left  = -1.0f;

  1265.                                     right = (value*2.0f)+1.0f;

  1266.                                 }

  1267.                                 else if (value > 0.0f)

  1268.                                 {

  1269.                                     left  = (value*2.0f)-1.0f;

  1270.                                     right = 1.0f;

  1271.                                 }

  1272.                                 else

  1273.                                 {

  1274.                                     left  = -1.0f;

  1275.                                     right = 1.0f;

  1276.                                 }

  1277. 

  1278.                                 setBalanceLeft(left, false, false);

  1279.                                 setBalanceRight(right, false, false);

  1280.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_LEFT, 0, left);

  1281.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_RIGHT, 0, right);

  1282.                                 break;

  1283.                             }

  1284.                         }

  1285. #endif

  1286. 

  1287.                         // Control plugin parameters

  1288.                         uint32_t k;

  1289.                         for (k=0; k < pData->param.count; ++k)

  1290.                         {

  1291.                             if (pData->param.data[k].midiChannel != event.channel)

  1292.                                 continue;

  1293.                             if (pData->param.data[k].midiCC != ctrlEvent.param)

  1294.                                 continue;

  1295.                             if (pData->param.data[k].type != PARAMETER_INPUT)

  1296.                                 continue;

  1297.                             if ((pData->param.data[k].hints & PARAMETER_IS_AUTOMABLE) == 0)

  1298.                                 continue;

  1299. 

  1300.                             float value;

  1301. 

  1302.                             if (pData->param.data[k].hints & PARAMETER_IS_BOOLEAN)

  1303.                             {

  1304.                                 value = (ctrlEvent.value < 0.5f) ? pData->param.ranges[k].min : pData->param.ranges[k].max;

  1305.                             }

  1306.                             else

  1307.                             {

  1308.                                 value = pData->param.ranges[k].getUnnormalizedValue(ctrlEvent.value);

  1309. 

  1310.                                 if (pData->param.data[k].hints & PARAMETER_IS_INTEGER)

  1311.                                     value = std::rint(value);

  1312.                             }

  1313. 

  1314.                             setParameterValue(k, value, false, false, false);

  1315.                             pData->postponeRtEvent(kPluginPostRtEventParameterChange, static_cast<int32_t>(k), 0, value);

  1316.                             break;

  1317.                         }

  1318. 

  1319.                         // check if event is already handled

  1320.                         if (k != pData->param.count)

  1321.                             break;

  1322. 

  1323.                         if ((pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0 && ctrlEvent.param <= 0x5F)

  1324.                         {

  1325.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1326.                                 continue;

  1327. 

  1328.                             snd_seq_event_t& midiEvent(fMidiEvents[midiEventCount++]);

  1329.                             carla_zeroStruct<snd_seq_event_t>(midiEvent);

  1330. 

  1331.                             midiEvent.time.tick = isSampleAccurate ? startTime : event.time;

  1332. 

  1333.                             midiEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1334.                             midiEvent.data.control.channel = event.channel;

  1335.                             midiEvent.data.control.param   = ctrlEvent.param;

  1336.                             midiEvent.data.control.value   = int8_t(ctrlEvent.value*127.0f);

  1337.                         }

  1338.                         break;

  1339.                     } // case kEngineControlEventTypeParameter

  1340. 

  1341.                     case kEngineControlEventTypeMidiBank:

  1342.                         if (event.channel == pData->ctrlChannel && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1343.                             nextBankId = ctrlEvent.param;

  1344.                         break;

  1345. 

  1346.                     case kEngineControlEventTypeMidiProgram:

  1347.                         if (event.channel == pData->ctrlChannel && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1348.                         {

  1349.                             const uint32_t nextProgramId = ctrlEvent.param;

  1350. 

  1351.                             for (uint32_t k=0; k < pData->midiprog.count; ++k)

  1352.                             {

  1353.                                 if (pData->midiprog.data[k].bank == nextBankId && pData->midiprog.data[k].program == nextProgramId)

  1354.                                 {

  1355.                                     const int32_t index(static_cast<int32_t>(k));

  1356.                                     setMidiProgram(index, false, false, false);

  1357.                                     pData->postponeRtEvent(kPluginPostRtEventMidiProgramChange, index, 0, 0.0f);

  1358.                                     break;

  1359.                                 }

  1360.                             }

  1361.                         }

  1362.                         break;

  1363. 

  1364.                     case kEngineControlEventTypeAllSoundOff:

  1365.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1366.                         {

  1367.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1368.                                 continue;

  1369. 

  1370.                             snd_seq_event_t& midiEvent(fMidiEvents[midiEventCount++]);

  1371.                             carla_zeroStruct<snd_seq_event_t>(midiEvent);

  1372. 

  1373.                             midiEvent.time.tick = isSampleAccurate ? startTime : event.time;

  1374. 

  1375.                             midiEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1376.                             midiEvent.data.control.channel = event.channel;

  1377.                             midiEvent.data.control.param   = MIDI_CONTROL_ALL_SOUND_OFF;

  1378.                         }

  1379.                         break;

  1380. 

  1381.                     case kEngineControlEventTypeAllNotesOff:

  1382.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1383.                         {

  1384.                             if (event.channel == pData->ctrlChannel && ! allNotesOffSent)

  1385.                             {

  1386.                                 allNotesOffSent = true;

  1387.                                 sendMidiAllNotesOffToCallback();

  1388.                             }

  1389. 

  1390.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1391.                                 continue;

  1392. 

  1393.                             snd_seq_event_t& midiEvent(fMidiEvents[midiEventCount++]);

  1394.                             carla_zeroStruct<snd_seq_event_t>(midiEvent);

  1395. 

  1396.                             midiEvent.time.tick = isSampleAccurate ? startTime : event.time;

  1397. 

  1398.                             midiEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1399.                             midiEvent.data.control.channel = event.channel;

  1400.                             midiEvent.data.control.param   = MIDI_CONTROL_ALL_NOTES_OFF;

  1401. 

  1402.                             midiEventCount += 1;

  1403.                         }

  1404.                         break;

  1405.                     } // switch (ctrlEvent.type)

  1406.                     break;

  1407.                 } // case kEngineEventTypeControl

  1408. 

  1409.                 case kEngineEventTypeMidi: {

  1410.                     if (midiEventCount >= kPluginMaxMidiEvents)

  1411.                         continue;

  1412. 

  1413.                     const EngineMidiEvent& engineEvent(event.midi);

  1414. 

  1415.                     uint8_t status  = uint8_t(MIDI_GET_STATUS_FROM_DATA(engineEvent.data));

  1416.                     uint8_t channel = event.channel;

  1417. 

  1418.                     // Fix bad note-off (per DSSI spec)

  1419.                     if (MIDI_IS_STATUS_NOTE_ON(status) && engineEvent.data[2] == 0)

  1420.                         status = MIDI_STATUS_NOTE_OFF;

  1421. 

  1422.                     snd_seq_event_t& midiEvent(fMidiEvents[midiEventCount]);

  1423.                     carla_zeroStruct<snd_seq_event_t>(midiEvent);

  1424. 

  1425.                     midiEvent.time.tick = isSampleAccurate ? startTime : event.time;

  1426. 

  1427.                     switch (status)

  1428.                     {

  1429.                     case MIDI_STATUS_NOTE_OFF: {

  1430.                         const uint8_t note = engineEvent.data[1];

  1431. 

  1432.                         midiEvent.type = SND_SEQ_EVENT_NOTEOFF;

  1433.                         midiEvent.data.note.channel = channel;

  1434.                         midiEvent.data.note.note    = note;

  1435. 

  1436.                         pData->postponeRtEvent(kPluginPostRtEventNoteOff, channel, note, 0.0f);

  1437.                         break;

  1438.                     }

  1439. 

  1440.                     case MIDI_STATUS_NOTE_ON: {

  1441.                         const uint8_t note = engineEvent.data[1];

  1442.                         const uint8_t velo = engineEvent.data[2];

  1443. 

  1444.                         midiEvent.type = SND_SEQ_EVENT_NOTEON;

  1445.                         midiEvent.data.note.channel  = channel;

  1446.                         midiEvent.data.note.note     = note;

  1447.                         midiEvent.data.note.velocity = velo;

  1448. 

  1449.                         pData->postponeRtEvent(kPluginPostRtEventNoteOn, channel, note, velo);

  1450.                         break;

  1451.                     }

  1452. 

  1453.                     case MIDI_STATUS_POLYPHONIC_AFTERTOUCH:

  1454.                         if (pData->options & PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH)

  1455.                         {

  1456.                             const uint8_t note     = engineEvent.data[1];

  1457.                             const uint8_t pressure = engineEvent.data[2];

  1458. 

  1459.                             midiEvent.type = SND_SEQ_EVENT_KEYPRESS;

  1460.                             midiEvent.data.note.channel  = channel;

  1461.                             midiEvent.data.note.note     = note;

  1462.                             midiEvent.data.note.velocity = pressure;

  1463.                         }

  1464.                         break;

  1465. 

  1466.                     case MIDI_STATUS_CONTROL_CHANGE:

  1467.                         if (pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES)

  1468.                         {

  1469.                             const uint8_t control = engineEvent.data[1];

  1470.                             const uint8_t value   = engineEvent.data[2];

  1471. 

  1472.                             midiEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1473.                             midiEvent.data.control.channel = channel;

  1474.                             midiEvent.data.control.param   = control;

  1475.                             midiEvent.data.control.value   = value;

  1476.                         }

  1477.                         break;

  1478. 

  1479.                     case MIDI_STATUS_CHANNEL_PRESSURE:

  1480.                         if (pData->options & PLUGIN_OPTION_SEND_CHANNEL_PRESSURE)

  1481.                         {

  1482.                             const uint8_t pressure = engineEvent.data[1];

  1483. 

  1484.                             midiEvent.type = SND_SEQ_EVENT_CHANPRESS;

  1485.                             midiEvent.data.control.channel = channel;

  1486.                             midiEvent.data.control.value   = pressure;

  1487.                         }

  1488.                         break;

  1489. 

  1490.                     case MIDI_STATUS_PITCH_WHEEL_CONTROL:

  1491.                         if (pData->options & PLUGIN_OPTION_SEND_PITCHBEND)

  1492.                         {

  1493.                             const uint8_t lsb = engineEvent.data[1];

  1494.                             const uint8_t msb = engineEvent.data[2];

  1495. 

  1496.                             midiEvent.type = SND_SEQ_EVENT_PITCHBEND;

  1497.                             midiEvent.data.control.channel = channel;

  1498.                             midiEvent.data.control.value   = ((msb << 7) | lsb) - 8192;

  1499.                         }

  1500.                         break;

  1501. 

  1502.                     default:

  1503.                         continue;

  1504.                         break;

  1505.                     } // switch (status)

  1506. 

  1507.                     midiEventCount += 1;

  1508.                     break;

  1509.                 } // case kEngineEventTypeMidi

  1510.                 } // switch (event.type)

  1511.             }

  1512. 

  1513.             pData->postRtEvents.trySplice();

  1514. 

  1515.             if (frames > timeOffset)

  1516.                 processSingle(inBuffer, outBuffer, frames - timeOffset, timeOffset, midiEventCount);

  1517. 

  1518.         } // End of Event Input and Processing

  1519. 

  1520.         // --------------------------------------------------------------------------------------------------------

  1521.         // Plugin processing (no events)

  1522. 

  1523.         else

  1524.         {

  1525.             processSingle(inBuffer, outBuffer, frames, 0, midiEventCount);

  1526. 

  1527.         } // End of Plugin processing (no events)

  1528. 

  1529. #ifndef BUILD_BRIDGE

  1530.         // --------------------------------------------------------------------------------------------------------

  1531.         // Latency, save values for next callback

  1532. 

  1533.         if (fLatencyIndex != -1)

  1534.         {

  1535.             if (pData->latency != static_cast<uint32_t>(fParamBuffers[fLatencyIndex]))

  1536.             {

  1537.                 fLatencyChanged = true;

  1538.             }

  1539.             else if (pData->latency > 0)

  1540.             {

  1541.                 if (pData->latency <= frames)

  1542.                 {

  1543.                     for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1544.                         FloatVectorOperations::copy(pData->latencyBuffers[i], inBuffer[i]+(frames-pData->latency), pData->latency);

  1545.                 }

  1546.                 else

  1547.                 {

  1548.                     for (uint32_t i=0, j, k; i < pData->audioIn.count; ++i)

  1549.                     {

  1550.                         for (k=0; k < pData->latency-frames; ++k)

  1551.                             pData->latencyBuffers[i][k] = pData->latencyBuffers[i][k+frames];

  1552.                         for (j=0; k < pData->latency; ++j, ++k)

  1553.                             pData->latencyBuffers[i][k] = inBuffer[i][j];

  1554.                     }

  1555.                 }

  1556.             }

  1557.         }

  1558. #endif

  1559. 

  1560.         // --------------------------------------------------------------------------------------------------------

  1561.         // Control Output

  1562. 

  1563.         if (pData->event.portOut != nullptr)

  1564.         {

  1565.             uint8_t  channel;

  1566.             uint16_t param;

  1567.             float    value;

  1568. 

  1569.             for (uint32_t k=0; k < pData->param.count; ++k)

  1570.             {

  1571.                 if (pData->param.data[k].type != PARAMETER_OUTPUT)

  1572.                     continue;

  1573. 

  1574.                 pData->param.ranges[k].fixValue(fParamBuffers[k]);

  1575. 

  1576.                 if (pData->param.data[k].midiCC > 0)

  1577.                 {

  1578.                     channel = pData->param.data[k].midiChannel;

  1579.                     param   = static_cast<uint16_t>(pData->param.data[k].midiCC);

  1580.                     value   = pData->param.ranges[k].getNormalizedValue(fParamBuffers[k]);

  1581.                     pData->event.portOut->writeControlEvent(0, channel, kEngineControlEventTypeParameter, param, value);

  1582.                 }

  1583.             }

  1584.         } // End of Control Output

  1585.     }

  1586. 

  1587.     bool processSingle(float** const inBuffer, float** const outBuffer, const uint32_t frames, const uint32_t timeOffset, const ulong midiEventCount)

  1588.     {

  1589.         CARLA_SAFE_ASSERT_RETURN(frames > 0, false);

  1590. 

  1591.         if (pData->audioIn.count > 0)

  1592.         {

  1593.             CARLA_SAFE_ASSERT_RETURN(inBuffer != nullptr, false);

  1594.         }

  1595.         if (pData->audioOut.count > 0)

  1596.         {

  1597.             CARLA_SAFE_ASSERT_RETURN(outBuffer != nullptr, false);

  1598.         }

  1599. 

  1600.         // --------------------------------------------------------------------------------------------------------

  1601.         // Try lock, silence otherwise

  1602. 

  1603.         if (pData->engine->isOffline())

  1604.         {

  1605.             pData->singleMutex.lock();

  1606.         }

  1607.         else if (! pData->singleMutex.tryLock())

  1608.         {

  1609.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1610.             {

  1611.                 for (uint32_t k=0; k < frames; ++k)

  1612.                     outBuffer[i][k+timeOffset] = 0.0f;

  1613.             }

  1614. 

  1615.             return false;

  1616.         }

  1617. 

  1618.         // --------------------------------------------------------------------------------------------------------

  1619.         // Reset audio buffers

  1620. 

  1621.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1622.             FloatVectorOperations::copy(fAudioInBuffers[i], inBuffer[i]+timeOffset, frames);

  1623. 

  1624.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1625.             FloatVectorOperations::clear(fAudioOutBuffers[i], frames);

  1626. 

  1627.         // --------------------------------------------------------------------------------------------------------

  1628.         // Run plugin

  1629. 

  1630.         // TODO - try catch

  1631. 

  1632.         if (fDssiDescriptor->run_synth != nullptr)

  1633.         {

  1634.             fDssiDescriptor->run_synth(fHandle, frames, fMidiEvents, midiEventCount);

  1635. 

  1636.             if (fHandle2 != nullptr)

  1637.                 fDssiDescriptor->run_synth(fHandle2, frames, fMidiEvents, midiEventCount);

  1638.         }

  1639.         else if (fDssiDescriptor->run_multiple_synths != nullptr)

  1640.         {

  1641.             ulong instances = (fHandle2 != nullptr) ? 2 : 1;

  1642.             LADSPA_Handle handlePtr[2] = { fHandle, fHandle2 };

  1643.             snd_seq_event_t* midiEventsPtr[2] = { fMidiEvents, fMidiEvents };

  1644.             ulong midiEventCountPtr[2] = { midiEventCount, midiEventCount };

  1645.             fDssiDescriptor->run_multiple_synths(instances, handlePtr, frames, midiEventsPtr, midiEventCountPtr);

  1646.         }

  1647.         else

  1648.         {

  1649.             fDescriptor->run(fHandle, frames);

  1650. 

  1651.             if (fHandle2 != nullptr)

  1652.                 fDescriptor->run(fHandle2, frames);

  1653.         }

  1654. 

  1655. #ifndef BUILD_BRIDGE

  1656.         // --------------------------------------------------------------------------------------------------------

  1657.         // Post-processing (dry/wet, volume and balance)

  1658. 

  1659.         {

  1660.             const bool doDryWet  = (pData->hints & PLUGIN_CAN_DRYWET) != 0 && pData->postProc.dryWet != 1.0f;

  1661.             const bool doBalance = (pData->hints & PLUGIN_CAN_BALANCE) != 0 && (pData->postProc.balanceLeft != -1.0f || pData->postProc.balanceRight != 1.0f);

  1662.             const bool isMono    = (pData->audioIn.count == 1);

  1663. 

  1664.             bool isPair;

  1665.             float bufValue, oldBufLeft[doBalance ? frames : 1];

  1666. 

  1667.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1668.             {

  1669.                 // Dry/Wet

  1670.                 if (doDryWet)

  1671.                 {

  1672.                     for (uint32_t k=0; k < frames; ++k)

  1673.                     {

  1674.                         if (k < pData->latency)

  1675.                             bufValue = pData->latencyBuffers[isMono ? 0 : i][k];

  1676.                         else if (pData->latency < frames)

  1677.                             bufValue = fAudioInBuffers[isMono ? 0 : i][k-pData->latency];

  1678.                         else

  1679.                             bufValue = fAudioInBuffers[isMono ? 0 : i][k];

  1680. 

  1681.                         fAudioOutBuffers[i][k] = (fAudioOutBuffers[i][k] * pData->postProc.dryWet) + (bufValue * (1.0f - pData->postProc.dryWet));

  1682.                     }

  1683.                 }

  1684. 

  1685.                 // Balance

  1686.                 if (doBalance)

  1687.                 {

  1688.                     isPair = (i % 2 == 0);

  1689. 

  1690.                     if (isPair)

  1691.                     {

  1692.                         CARLA_ASSERT(i+1 < pData->audioOut.count);

  1693.                         FloatVectorOperations::copy(oldBufLeft, fAudioOutBuffers[i], frames);

  1694.                     }

  1695. 

  1696.                     float balRangeL = (pData->postProc.balanceLeft  + 1.0f)/2.0f;

  1697.                     float balRangeR = (pData->postProc.balanceRight + 1.0f)/2.0f;

  1698. 

  1699.                     for (uint32_t k=0; k < frames; ++k)

  1700.                     {

  1701.                         if (isPair)

  1702.                         {

  1703.                             // left

  1704.                             fAudioOutBuffers[i][k]  = oldBufLeft[k]            * (1.0f - balRangeL);

  1705.                             fAudioOutBuffers[i][k] += fAudioOutBuffers[i+1][k] * (1.0f - balRangeR);

  1706.                         }

  1707.                         else

  1708.                         {

  1709.                             // right

  1710.                             fAudioOutBuffers[i][k]  = fAudioOutBuffers[i][k] * balRangeR;

  1711.                             fAudioOutBuffers[i][k] += oldBufLeft[k]          * balRangeL;

  1712.                         }

  1713.                     }

  1714.                 }

  1715. 

  1716.                 // Volume (and buffer copy)

  1717.                 {

  1718.                     for (uint32_t k=0; k < frames; ++k)

  1719.                         outBuffer[i][k+timeOffset] = fAudioOutBuffers[i][k] * pData->postProc.volume;

  1720.                 }

  1721.             }

  1722. 

  1723.         } // End of Post-processing

  1724. 

  1725. #else // BUILD_BRIDGE

  1726.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1727.         {

  1728.             for (uint32_t k=0; k < frames; ++k)

  1729.                 outBuffer[i][k+timeOffset] = fAudioOutBuffers[i][k];

  1730.         }

  1731. #endif

  1732. 

  1733.         // --------------------------------------------------------------------------------------------------------

  1734. 

  1735.         pData->singleMutex.unlock();

  1736.         return true;

  1737.     }

  1738. 

  1739.     void bufferSizeChanged(const uint32_t newBufferSize) override

  1740.     {

  1741.         CARLA_ASSERT_INT(newBufferSize > 0, newBufferSize);

  1742.         carla_debug("DssiPlugin::bufferSizeChanged(%i) - start", newBufferSize);

  1743. 

  1744.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1745.         {

  1746.             if (fAudioInBuffers[i] != nullptr)

  1747.                 delete[] fAudioInBuffers[i];

  1748.             fAudioInBuffers[i] = new float[newBufferSize];

  1749.         }

  1750. 

  1751.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1752.         {

  1753.             if (fAudioOutBuffers[i] != nullptr)

  1754.                 delete[] fAudioOutBuffers[i];

  1755.             fAudioOutBuffers[i] = new float[newBufferSize];

  1756.         }

  1757. 

  1758.         if (fHandle2 == nullptr)

  1759.         {

  1760.             for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1761.             {

  1762.                 CARLA_ASSERT(fAudioInBuffers[i] != nullptr);

  1763. 

  1764.                 try {

  1765.                     fDescriptor->connect_port(fHandle, pData->audioIn.ports[i].rindex, fAudioInBuffers[i]);

  1766.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port audio input");

  1767.             }

  1768. 

  1769.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1770.             {

  1771.                 CARLA_ASSERT(fAudioOutBuffers[i] != nullptr);

  1772. 

  1773.                 try {

  1774.                     fDescriptor->connect_port(fHandle, pData->audioOut.ports[i].rindex, fAudioOutBuffers[i]);

  1775.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port audio output");

  1776.             }

  1777.         }

  1778.         else

  1779.         {

  1780.             if (pData->audioIn.count > 0)

  1781.             {

  1782.                 CARLA_ASSERT(pData->audioIn.count == 2);

  1783.                 CARLA_ASSERT(fAudioInBuffers[0] != nullptr);

  1784.                 CARLA_ASSERT(fAudioInBuffers[1] != nullptr);

  1785. 

  1786.                 try {

  1787.                     fDescriptor->connect_port(fHandle, pData->audioIn.ports[0].rindex, fAudioInBuffers[0]);

  1788.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port audio input #1");

  1789. 

  1790.                 try {

  1791.                     fDescriptor->connect_port(fHandle2, pData->audioIn.ports[1].rindex, fAudioInBuffers[1]);

  1792.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port audio input #2");

  1793.             }

  1794. 

  1795.             if (pData->audioOut.count > 0)

  1796.             {

  1797.                 CARLA_ASSERT(pData->audioOut.count == 2);

  1798.                 CARLA_ASSERT(fAudioOutBuffers[0] != nullptr);

  1799.                 CARLA_ASSERT(fAudioOutBuffers[1] != nullptr);

  1800. 

  1801.                 try {

  1802.                     fDescriptor->connect_port(fHandle, pData->audioOut.ports[0].rindex, fAudioOutBuffers[0]);

  1803.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port audio output #1");

  1804. 

  1805.                 try {

  1806.                     fDescriptor->connect_port(fHandle2, pData->audioOut.ports[1].rindex, fAudioOutBuffers[1]);

  1807.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port audio output #2");

  1808.             }

  1809.         }

  1810. 

  1811.         carla_debug("DssiPlugin::bufferSizeChanged(%i) - end", newBufferSize);

  1812.     }

  1813. 

  1814.     void sampleRateChanged(const double newSampleRate) override

  1815.     {

  1816.         CARLA_ASSERT_INT(newSampleRate > 0.0, newSampleRate);

  1817.         carla_debug("DssiPlugin::sampleRateChanged(%g) - start", newSampleRate);

  1818. 

  1819.         // TODO

  1820.         (void)newSampleRate;

  1821. 

  1822.         carla_debug("DssiPlugin::sampleRateChanged(%g) - end", newSampleRate);

  1823.     }

  1824. 

  1825.     // -------------------------------------------------------------------

  1826.     // Plugin buffers

  1827. 

  1828.     void clearBuffers() noexcept override

  1829.     {

  1830.         carla_debug("DssiPlugin::clearBuffers() - start");

  1831. 

  1832.         if (fAudioInBuffers != nullptr)

  1833.         {

  1834.             for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1835.             {

  1836.                 if (fAudioInBuffers[i] != nullptr)

  1837.                 {

  1838.                     delete[] fAudioInBuffers[i];

  1839.                     fAudioInBuffers[i] = nullptr;

  1840.                 }

  1841.             }

  1842. 

  1843.             delete[] fAudioInBuffers;

  1844.             fAudioInBuffers = nullptr;

  1845.         }

  1846. 

  1847.         if (fAudioOutBuffers != nullptr)

  1848.         {

  1849.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1850.             {

  1851.                 if (fAudioOutBuffers[i] != nullptr)

  1852.                 {

  1853.                     delete[] fAudioOutBuffers[i];

  1854.                     fAudioOutBuffers[i] = nullptr;

  1855.                 }

  1856.             }

  1857. 

  1858.             delete[] fAudioOutBuffers;

  1859.             fAudioOutBuffers = nullptr;

  1860.         }

  1861. 

  1862.         if (fParamBuffers != nullptr)

  1863.         {

  1864.             delete[] fParamBuffers;

  1865.             fParamBuffers = nullptr;

  1866.         }

  1867. 

  1868.         CarlaPlugin::clearBuffers();

  1869. 

  1870.         carla_debug("DssiPlugin::clearBuffers() - end");

  1871.     }

  1872. 

  1873.     // -------------------------------------------------------------------

  1874.     // Post-poned UI Stuff

  1875. 

  1876.     void uiParameterChange(const uint32_t index, const float value) noexcept override

  1877.     {

  1878.         CARLA_SAFE_ASSERT_RETURN(index < pData->param.count,);

  1879. 

  1880.         if (pData->osc.data.target == nullptr)

  1881.             return;

  1882. 

  1883.         osc_send_control(pData->osc.data, pData->param.data[index].rindex, value);

  1884.     }

  1885. 

  1886.     void uiMidiProgramChange(const uint32_t index) noexcept override

  1887.     {

  1888.         CARLA_SAFE_ASSERT_RETURN(index < pData->midiprog.count,);

  1889. 

  1890.         if (pData->osc.data.target == nullptr)

  1891.             return;

  1892. 

  1893.         osc_send_program(pData->osc.data, pData->midiprog.data[index].bank, pData->midiprog.data[index].program);

  1894.     }

  1895. 

  1896.     void uiNoteOn(const uint8_t channel, const uint8_t note, const uint8_t velo) noexcept override

  1897.     {

  1898.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  1899.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  1900.         CARLA_SAFE_ASSERT_RETURN(velo > 0 && velo < MAX_MIDI_VALUE,);

  1901. 

  1902.         if (pData->osc.data.target == nullptr)

  1903.             return;

  1904. 

  1905. #if 0

  1906.         uint8_t midiData[4];

  1907.         midiData[0] = 0;

  1908.         midiData[1] = static_cast<uint8_t>(MIDI_STATUS_NOTE_ON + channel);

  1909.         midiData[2] = note;

  1910.         midiData[3] = velo;

  1911. 

  1912.         osc_send_midi(pData->osc.data, midiData);

  1913. #endif

  1914.     }

  1915. 

  1916.     void uiNoteOff(const uint8_t channel, const uint8_t note) noexcept override

  1917.     {

  1918.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  1919.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  1920. 

  1921.         if (pData->osc.data.target == nullptr)

  1922.             return;

  1923. 

  1924. #if 0

  1925.         uint8_t midiData[4];

  1926.         midiData[0] = 0;

  1927.         midiData[1] = static_cast<uint8_t>(MIDI_STATUS_NOTE_OFF + channel);

  1928.         midiData[2] = note;

  1929.         midiData[3] = 0;

  1930. 

  1931.         osc_send_midi(pData->osc.data, midiData);

  1932. #endif

  1933.     }

  1934. 

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

  1936. 

  1937.     const void* getExtraStuff() const noexcept override

  1938.     {

  1939.         return fUiFilename;

  1940.     }

  1941. 

  1942.     bool init(const char* const filename, const char* const name, const char* const label)

  1943.     {

  1944.         CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr, false);

  1945. 

  1946.         // ---------------------------------------------------------------

  1947.         // first checks

  1948. 

  1949.         if (pData->client != nullptr)

  1950.         {

  1951.             pData->engine->setLastError("Plugin client is already registered");

  1952.             return false;

  1953.         }

  1954. 

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

  1956.         {

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

  1958.             return false;

  1959.         }

  1960. 

  1961.         if (label == nullptr || label[0] == '\0')

  1962.         {

  1963.             pData->engine->setLastError("null label");

  1964.             return false;

  1965.         }

  1966. 

  1967.         // ---------------------------------------------------------------

  1968.         // open DLL

  1969. 

  1970.         if (! pData->libOpen(filename))

  1971.         {

  1972.             pData->engine->setLastError(pData->libError(filename));

  1973.             return false;

  1974.         }

  1975. 

  1976.         // ---------------------------------------------------------------

  1977.         // get DLL main entry

  1978. 

  1979.         const DSSI_Descriptor_Function descFn = (DSSI_Descriptor_Function)pData->libSymbol("dssi_descriptor");

  1980. 

  1981.         if (descFn == nullptr)

  1982.         {

  1983.             pData->engine->setLastError("Could not find the DSSI Descriptor in the plugin library");

  1984.             return false;

  1985.         }

  1986. 

  1987.         // ---------------------------------------------------------------

  1988.         // get descriptor that matches label

  1989. 

  1990.         ulong i = 0;

  1991. 

  1992.         for (;;)

  1993.         {

  1994.             try {

  1995.                 fDssiDescriptor = descFn(i++);

  1996.             }

  1997.             catch(...) {

  1998.                 carla_stderr2("Caught exception when trying to get LADSPA descriptor");

  1999.                 fDescriptor     = nullptr;

  2000.                 fDssiDescriptor = nullptr;

  2001.                 break;

  2002.             }

  2003. 

  2004.             if (fDssiDescriptor == nullptr)

  2005.                 break;

  2006. 

  2007.             fDescriptor = fDssiDescriptor->LADSPA_Plugin;

  2008. 

  2009.             if (fDescriptor == nullptr)

  2010.             {

  2011.                 carla_stderr2("WARNING - Missing LADSPA interface, will not use this plugin");

  2012.                 fDssiDescriptor = nullptr;

  2013.                 break;

  2014.             }

  2015.             if (fDescriptor->Label == nullptr || fDescriptor->Label[0] == '\0')

  2016.             {

  2017.                 carla_stderr2("WARNING - Got an invalid label, will not use this plugin");

  2018.                 fDescriptor     = nullptr;

  2019.                 fDssiDescriptor = nullptr;

  2020.                 break;

  2021.             }

  2022.             if (fDescriptor->run == nullptr)

  2023.             {

  2024.                 carla_stderr2("WARNING - Plugin has no run, cannot use it");

  2025.                 fDescriptor     = nullptr;

  2026.                 fDssiDescriptor = nullptr;

  2027.                 break;

  2028.             }

  2029. 

  2030.             if (std::strcmp(fDescriptor->Label, label) == 0)

  2031.                 break;

  2032.         }

  2033. 

  2034.         if (fDescriptor == nullptr || fDssiDescriptor == nullptr)

  2035.         {

  2036.             pData->engine->setLastError("Could not find the requested plugin label in the plugin library");

  2037.             return false;

  2038.         }

  2039. 

  2040.         // ---------------------------------------------------------------

  2041.         // check if uses global instance

  2042. 

  2043.         if (fDssiDescriptor->run_synth == nullptr && fDssiDescriptor->run_multiple_synths != nullptr)

  2044.         {

  2045.             if (! addUniqueMultiSynth(fDescriptor->Label))

  2046.             {

  2047.                 pData->engine->setLastError("This plugin uses a global instance and can't be used more than once safely");

  2048.                 return false;

  2049.             }

  2050.         }

  2051. 

  2052.         // ---------------------------------------------------------------

  2053.         // get info

  2054. 

  2055.         if (name != nullptr && name[0] != '\0')

  2056.             pData->name = pData->engine->getUniquePluginName(name);

  2057.         else if (fDescriptor->Name != nullptr && fDescriptor->Name[0] != '\0')

  2058.             pData->name = pData->engine->getUniquePluginName(fDescriptor->Name);

  2059.         else

  2060.             pData->name = pData->engine->getUniquePluginName(fDescriptor->Label);

  2061. 

  2062.         pData->filename = carla_strdup(filename);

  2063. 

  2064.         // ---------------------------------------------------------------

  2065.         // register client

  2066. 

  2067.         pData->client = pData->engine->addClient(this);

  2068. 

  2069.         if (pData->client == nullptr || ! pData->client->isOk())

  2070.         {

  2071.             pData->engine->setLastError("Failed to register plugin client");

  2072.             return false;

  2073.         }

  2074. 

  2075.         // ---------------------------------------------------------------

  2076.         // initialize plugin

  2077. 

  2078.         try {

  2079.             fHandle = fDescriptor->instantiate(fDescriptor, (ulong)pData->engine->getSampleRate());

  2080.         } CARLA_SAFE_EXCEPTION("DSSI instantiate");

  2081. 

  2082.         if (fHandle == nullptr)

  2083.         {

  2084.             pData->engine->setLastError("Plugin failed to initialize");

  2085.             return false;

  2086.         }

  2087. 

  2088.         // ---------------------------------------------------------------

  2089.         // check for custom data extension

  2090. 

  2091.         if (fDssiDescriptor->configure != nullptr)

  2092.         {

  2093.             if (char* const error = fDssiDescriptor->configure(fHandle, DSSI_CUSTOMDATA_EXTENSION_KEY, ""))

  2094.             {

  2095.                 if (std::strcmp(error, "true") == 0 && fDssiDescriptor->get_custom_data != nullptr && fDssiDescriptor->set_custom_data != nullptr)

  2096.                     fUsesCustomData = true;

  2097. 

  2098.                 std::free(error);

  2099.             }

  2100.         }

  2101. 

  2102.         // ---------------------------------------------------------------

  2103.         // gui stuff

  2104. 

  2105.         if (const char* const guiFilename = find_dssi_ui(filename, fDescriptor->Label))

  2106.         {

  2107.             pData->osc.thread.setOscData(guiFilename, fDescriptor->Label);

  2108.             fUiFilename = guiFilename;

  2109.         }

  2110. 

  2111.         // ---------------------------------------------------------------

  2112.         // load plugin settings

  2113. 

  2114.         {

  2115. #ifdef __USE_GNU

  2116.             const bool isDssiVst(strcasestr(pData->filename, "dssi-vst") != nullptr);

  2117. #else

  2118.             const bool isDssiVst(std::strstr(pData->filename, "dssi-vst") != nullptr);

  2119. #endif

  2120. 

  2121.             // set default options

  2122.             pData->options = 0x0;

  2123. 

  2124.             pData->options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  2125. 

  2126.             if (fLatencyIndex >= 0 || isDssiVst)

  2127.                 pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;

  2128. 

  2129.             if (pData->engine->getOptions().forceStereo)

  2130.                 pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  2131. 

  2132.             if (fUsesCustomData)

  2133.                 pData->options |= PLUGIN_OPTION_USE_CHUNKS;

  2134. 

  2135.             if (fDssiDescriptor->run_synth != nullptr || fDssiDescriptor->run_multiple_synths != nullptr)

  2136.             {

  2137.                 pData->options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  2138.                 pData->options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  2139.                 pData->options |= PLUGIN_OPTION_SEND_PITCHBEND;

  2140.                 pData->options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  2141. 

  2142.                 if (fDssiDescriptor->run_synth == nullptr)

  2143.                     carla_stderr("WARNING: Plugin can ONLY use run_multiple_synths!");

  2144.             }

  2145. 

  2146. #ifndef BUILD_BRIDGE

  2147.             // set identifier string

  2148.             CarlaString identifier("DSSI/");

  2149. 

  2150.             if (const char* const shortname = std::strrchr(filename, OS_SEP))

  2151.             {

  2152.                 identifier += shortname+1;

  2153.                 identifier += ",";

  2154.             }

  2155. 

  2156.             identifier += label;

  2157.             pData->identifier = identifier.dup();

  2158. 

  2159.             // load settings

  2160.             pData->options = pData->loadSettings(pData->options, getOptionsAvailable());

  2161. 

  2162.             // ignore settings, we need this anyway

  2163.             if (fLatencyIndex >= 0 || isDssiVst)

  2164.                 pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;

  2165. #endif

  2166.         }

  2167. 

  2168.         return true;

  2169.     }

  2170. 

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

  2172. 

  2173. private:

  2174.     LADSPA_Handle fHandle;

  2175.     LADSPA_Handle fHandle2;

  2176.     const LADSPA_Descriptor* fDescriptor;

  2177.     const DSSI_Descriptor*   fDssiDescriptor;

  2178. 

  2179.     bool fUsesCustomData;

  2180.     const char* fUiFilename;

  2181. 

  2182.     float** fAudioInBuffers;

  2183.     float** fAudioOutBuffers;

  2184.     float*  fParamBuffers;

  2185. 

  2186.     bool    fLatencyChanged;

  2187.     int32_t fLatencyIndex; // -1 if invalid

  2188. 

  2189.     snd_seq_event_t fMidiEvents[kPluginMaxMidiEvents];

  2190. 

  2191.     // -------------------------------------------------------------------

  2192. 

  2193.     uint32_t getSafePortCount() const noexcept

  2194.     {

  2195.         if (fDescriptor->PortCount == 0)

  2196.             return 0;

  2197. 

  2198.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortDescriptors != nullptr, 0);

  2199.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortRangeHints != nullptr, 0);

  2200.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortNames != nullptr, 0);

  2201. 

  2202.         return static_cast<uint32_t>(fDescriptor->PortCount);

  2203.     }

  2204. 

  2205.     bool getSeparatedParameterNameOrUnit(const char* const paramName, char* const strBuf, const bool wantName) const noexcept

  2206.     {

  2207.         if (_getSeparatedParameterNameOrUnitImpl(paramName, strBuf, wantName, true))

  2208.             return true;

  2209.         if (_getSeparatedParameterNameOrUnitImpl(paramName, strBuf, wantName, false))

  2210.             return true;

  2211.         return false;

  2212.     }

  2213. 

  2214.     bool _getSeparatedParameterNameOrUnitImpl(const char* const paramName, char* const strBuf, const bool wantName, const bool useBracket) const noexcept

  2215.     {

  2216.         const char* const sepBracketStart(std::strstr(paramName, useBracket ? " [" : " ("));

  2217. 

  2218.         if (sepBracketStart == nullptr)

  2219.             return false;

  2220. 

  2221.         const char* const sepBracketEnd(std::strstr(sepBracketStart, useBracket ? "]" : ")"));

  2222. 

  2223.         if (sepBracketEnd == nullptr)

  2224.             return false;

  2225. 

  2226.         const size_t unitSize(static_cast<size_t>(sepBracketEnd-sepBracketStart-2));

  2227. 

  2228.         if (unitSize > 7) // very unlikely to have such big unit

  2229.             return false;

  2230. 

  2231.         const size_t sepIndex(std::strlen(paramName)-unitSize-3);

  2232. 

  2233.         // just in case

  2234.         if (sepIndex > STR_MAX)

  2235.             return false;

  2236. 

  2237.         if (wantName)

  2238.         {

  2239.             std::strncpy(strBuf, paramName, sepIndex);

  2240.             strBuf[sepIndex] = '\0';

  2241.         }

  2242.         else

  2243.         {

  2244.             std::strncpy(strBuf, paramName+(sepIndex+2), unitSize);

  2245.             strBuf[unitSize] = '\0';

  2246.         }

  2247. 

  2248.         return true;

  2249.     }

  2250. 

  2251.     // -------------------------------------------------------------------

  2252. 

  2253.     static LinkedList<const char*> sMultiSynthList;

  2254. 

  2255.     static bool addUniqueMultiSynth(const char* const label) noexcept

  2256.     {

  2257.         CARLA_SAFE_ASSERT_RETURN(label != nullptr && label[0] != '\0', false);

  2258. 

  2259.         const char* dlabel = nullptr;

  2260. 

  2261.         try {

  2262.             dlabel = carla_strdup(label);

  2263.         } catch(...) { return false; }

  2264. 

  2265.         for (LinkedList<const char*>::Itenerator it = sMultiSynthList.begin(); it.valid(); it.next())

  2266.         {

  2267.             const char* const itLabel(it.getValue());

  2268. 

  2269.             if (std::strcmp(dlabel, itLabel) == 0)

  2270.             {

  2271.                 delete[] dlabel;

  2272.                 return false;

  2273.             }

  2274.         }

  2275. 

  2276.         return sMultiSynthList.append(dlabel);

  2277.     }

  2278. 

  2279.     static void removeUniqueMultiSynth(const char* const label) noexcept

  2280.     {

  2281.         CARLA_SAFE_ASSERT_RETURN(label != nullptr && label[0] != '\0',);

  2282. 

  2283.         for (LinkedList<const char*>::Itenerator it = sMultiSynthList.begin(); it.valid(); it.next())

  2284.         {

  2285.             const char* const itLabel(it.getValue());

  2286. 

  2287.             if (std::strcmp(label, itLabel) == 0)

  2288.             {

  2289.                 sMultiSynthList.remove(it);

  2290.                 delete[] itLabel;

  2291.                 break;

  2292.             }

  2293.         }

  2294.     }

  2295. 

  2296.     // -------------------------------------------------------------------

  2297. 

  2298.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(DssiPlugin)

  2299. };

  2300. 

  2301. LinkedList<const char*> DssiPlugin::sMultiSynthList;

  2302. 

  2303. CARLA_BACKEND_END_NAMESPACE

  2304. 

  2305. #endif // WANT_DSSI

  2306. 

  2307. // -------------------------------------------------------------------------------------------------------------------

  2308. 

  2309. CARLA_BACKEND_START_NAMESPACE

  2310. 

  2311. CarlaPlugin* CarlaPlugin::newDSSI(const Initializer& init)

  2312. {

  2313.     carla_debug("CarlaPlugin::newDSSI({%p, \"%s\", \"%s\", \"%s\", " P_INT64 "})", init.engine, init.filename, init.name, init.label, init.uniqueId);

  2314. 

  2315. #ifdef WANT_DSSI

  2316.     DssiPlugin* const plugin(new DssiPlugin(init.engine, init.id));

  2317. 

  2318.     if (! plugin->init(init.filename, init.name, init.label))

  2319.     {

  2320.         delete plugin;

  2321.         return nullptr;

  2322.     }

  2323. 

  2324.     plugin->reload();

  2325. 

  2326.     if (init.engine->getProccessMode() == ENGINE_PROCESS_MODE_CONTINUOUS_RACK && ! plugin->canRunInRack())

  2327.     {

  2328.         init.engine->setLastError("Carla's rack mode can only work with Mono or Stereo DSSI plugins, sorry!");

  2329.         delete plugin;

  2330.         return nullptr;

  2331.     }

  2332. 

  2333.     return plugin;

  2334. #else

  2335.     init.engine->setLastError("DSSI support not available");

  2336.     return nullptr;

  2337. #endif

  2338. }

  2339. 

  2340. CARLA_BACKEND_END_NAMESPACE

  2341. 

  2342. // -------------------------------------------------------------------------------------------------------------------