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Carla/source/backend/plugin/CarlaPluginFluidSynth.cpp

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  1. /*

  2.  * Carla FluidSynth 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 HAVE_FLUIDSYNTH

  22. 

  23. #include "CarlaMathUtils.hpp"

  24. 

  25. #include "juce_core.h"

  26. 

  27. #include <fluidsynth.h>

  28. 

  29. #if (FLUIDSYNTH_VERSION_MAJOR >= 1 && FLUIDSYNTH_VERSION_MINOR >= 1 && FLUIDSYNTH_VERSION_MICRO >= 4)

  30. # define FLUIDSYNTH_VERSION_NEW_API

  31. #endif

  32. 

  33. #define FLUID_DEFAULT_POLYPHONY 64

  34. 

  35. using juce::String;

  36. using juce::StringArray;

  37. 

  38. CARLA_BACKEND_START_NAMESPACE

  39. 

  40. // -----------------------------------------------------

  41. 

  42. class CarlaPluginFluidSynth : public CarlaPlugin

  43. {

  44. public:

  45.     CarlaPluginFluidSynth(CarlaEngine* const engine, const uint id, const bool use16Outs)

  46.         : CarlaPlugin(engine, id),

  47.           kUse16Outs(use16Outs),

  48.           fSettings(nullptr),

  49.           fSynth(nullptr),

  50.           fSynthId(0),

  51.           fAudio16Buffers(nullptr),

  52.           fLabel(nullptr),

  53.           leakDetector_CarlaPluginFluidSynth()

  54.     {

  55.         carla_debug("CarlaPluginFluidSynth::CarlaPluginFluidSynth(%p, %i, %s)", engine, id,  bool2str(use16Outs));

  56. 

  57.         FloatVectorOperations::clear(fParamBuffers, FluidSynthParametersMax);

  58.         carla_fill<int32_t>(fCurMidiProgs, 0, MAX_MIDI_CHANNELS);

  59. 

  60.         // create settings

  61.         fSettings = new_fluid_settings();

  62.         CARLA_SAFE_ASSERT_RETURN(fSettings != nullptr,);

  63. 

  64.         // define settings

  65.         fluid_settings_setint(fSettings, "synth.audio-channels", use16Outs ? 16 : 1);

  66.         fluid_settings_setint(fSettings, "synth.audio-groups", use16Outs ? 16 : 1);

  67.         fluid_settings_setnum(fSettings, "synth.sample-rate", pData->engine->getSampleRate());

  68.         //fluid_settings_setnum(fSettings, "synth.cpu-cores", 2);

  69.         fluid_settings_setint(fSettings, "synth.parallel-render", 1);

  70.         fluid_settings_setint(fSettings, "synth.threadsafe-api", 0);

  71. 

  72.         // create synth

  73.         fSynth = new_fluid_synth(fSettings);

  74.         CARLA_SAFE_ASSERT_RETURN(fSynth != nullptr,);

  75. 

  76. #ifdef FLUIDSYNTH_VERSION_NEW_API

  77.         fluid_synth_set_sample_rate(fSynth, (float)pData->engine->getSampleRate());

  78. #endif

  79. 

  80.         // set default values

  81.         fluid_synth_set_reverb_on(fSynth, 1);

  82.         fluid_synth_set_reverb(fSynth, FLUID_REVERB_DEFAULT_ROOMSIZE, FLUID_REVERB_DEFAULT_DAMP, FLUID_REVERB_DEFAULT_WIDTH, FLUID_REVERB_DEFAULT_LEVEL);

  83. 

  84.         fluid_synth_set_chorus_on(fSynth, 1);

  85.         fluid_synth_set_chorus(fSynth, FLUID_CHORUS_DEFAULT_N, FLUID_CHORUS_DEFAULT_LEVEL, FLUID_CHORUS_DEFAULT_SPEED, FLUID_CHORUS_DEFAULT_DEPTH, FLUID_CHORUS_DEFAULT_TYPE);

  86. 

  87.         fluid_synth_set_polyphony(fSynth, FLUID_DEFAULT_POLYPHONY);

  88.         fluid_synth_set_gain(fSynth, 1.0f);

  89. 

  90.         for (int i=0; i < MAX_MIDI_CHANNELS; ++i)

  91.             fluid_synth_set_interp_method(fSynth, i, FLUID_INTERP_DEFAULT);

  92.     }

  93. 

  94.     ~CarlaPluginFluidSynth() override

  95.     {

  96.         carla_debug("CarlaPluginFluidSynth::~CarlaPluginFluidSynth()");

  97. 

  98.         pData->singleMutex.lock();

  99.         pData->masterMutex.lock();

  100. 

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

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

  103. 

  104.         if (pData->active)

  105.         {

  106.             deactivate();

  107.             pData->active = false;

  108.         }

  109. 

  110.         if (fSynth != nullptr)

  111.         {

  112.             delete_fluid_synth(fSynth);

  113.             fSynth = nullptr;

  114.         }

  115. 

  116.         if (fSettings != nullptr)

  117.         {

  118.             delete_fluid_settings(fSettings);

  119.             fSettings = nullptr;

  120.         }

  121. 

  122.         if (fLabel != nullptr)

  123.         {

  124.             delete[] fLabel;

  125.             fLabel = nullptr;

  126.         }

  127. 

  128.         clearBuffers();

  129.     }

  130. 

  131.     // -------------------------------------------------------------------

  132.     // Information (base)

  133. 

  134.     PluginType getType() const noexcept override

  135.     {

  136.         return PLUGIN_SF2;

  137.     }

  138. 

  139.     PluginCategory getCategory() const noexcept override

  140.     {

  141.         return PLUGIN_CATEGORY_SYNTH;

  142.     }

  143. 

  144.     // -------------------------------------------------------------------

  145.     // Information (count)

  146. 

  147.     uint32_t getParameterScalePointCount(const uint32_t parameterId) const noexcept override

  148.     {

  149.         CARLA_SAFE_ASSERT_RETURN(parameterId < pData->param.count, 0);

  150. 

  151.         switch (parameterId)

  152.         {

  153.         case FluidSynthChorusType:

  154.             return 2;

  155.         case FluidSynthInterpolation:

  156.             return 4;

  157.         default:

  158.             return 0;

  159.         }

  160.     }

  161. 

  162.     // -------------------------------------------------------------------

  163.     // Information (current data)

  164. 

  165.     // nothing

  166. 

  167.     // -------------------------------------------------------------------

  168.     // Information (per-plugin data)

  169. 

  170.     uint getOptionsAvailable() const noexcept override

  171.     {

  172.         uint options = 0x0;

  173. 

  174.         options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  175.         options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  176.         options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  177.         options |= PLUGIN_OPTION_SEND_PITCHBEND;

  178.         options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  179. 

  180.         return options;

  181.     }

  182. 

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

  184.     {

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

  186. 

  187.         return fParamBuffers[parameterId];

  188.     }

  189. 

  190.     float getParameterScalePointValue(const uint32_t parameterId, const uint32_t scalePointId) const noexcept override

  191.     {

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

  193.         CARLA_SAFE_ASSERT_RETURN(scalePointId < getParameterScalePointCount(parameterId), 0.0f);

  194. 

  195.         switch (parameterId)

  196.         {

  197.         case FluidSynthChorusType:

  198.             switch (scalePointId)

  199.             {

  200.             case 0:

  201.                 return FLUID_CHORUS_MOD_SINE;

  202.             case 1:

  203.                 return FLUID_CHORUS_MOD_TRIANGLE;

  204.             default:

  205.                 return FLUID_CHORUS_DEFAULT_TYPE;

  206.             }

  207.         case FluidSynthInterpolation:

  208.             switch (scalePointId)

  209.             {

  210.             case 0:

  211.                 return FLUID_INTERP_NONE;

  212.             case 1:

  213.                 return FLUID_INTERP_LINEAR;

  214.             case 2:

  215.                 return FLUID_INTERP_4THORDER;

  216.             case 3:

  217.                 return FLUID_INTERP_7THORDER;

  218.             default:

  219.                 return FLUID_INTERP_DEFAULT;

  220.             }

  221.         default:

  222.             return 0.0f;

  223.         }

  224.     }

  225. 

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

  227.     {

  228.         if (fLabel != nullptr)

  229.         {

  230.             std::strncpy(strBuf, fLabel, STR_MAX);

  231.             return;

  232.         }

  233. 

  234.         CarlaPlugin::getLabel(strBuf);

  235.     }

  236. 

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

  238.     {

  239.         std::strncpy(strBuf, "FluidSynth SF2 engine", STR_MAX);

  240.     }

  241. 

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

  243.     {

  244.         std::strncpy(strBuf, "GNU GPL v2+", STR_MAX);

  245.     }

  246. 

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

  248.     {

  249.         getLabel(strBuf);

  250.     }

  251. 

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

  253.     {

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

  255. 

  256.         switch (parameterId)

  257.         {

  258.         case FluidSynthReverbOnOff:

  259.             std::strncpy(strBuf, "Reverb On/Off", STR_MAX);

  260.             return;

  261.         case FluidSynthReverbRoomSize:

  262.             std::strncpy(strBuf, "Reverb Room Size", STR_MAX);

  263.             return;

  264.         case FluidSynthReverbDamp:

  265.             std::strncpy(strBuf, "Reverb Damp", STR_MAX);

  266.             return;

  267.         case FluidSynthReverbLevel:

  268.             std::strncpy(strBuf, "Reverb Level", STR_MAX);

  269.             return;

  270.         case FluidSynthReverbWidth:

  271.             std::strncpy(strBuf, "Reverb Width", STR_MAX);

  272.             return;

  273.         case FluidSynthChorusOnOff:

  274.             std::strncpy(strBuf, "Chorus On/Off", STR_MAX);

  275.             return;

  276.         case FluidSynthChorusNr:

  277.             std::strncpy(strBuf, "Chorus Voice Count", STR_MAX);

  278.             return;

  279.         case FluidSynthChorusLevel:

  280.             std::strncpy(strBuf, "Chorus Level", STR_MAX);

  281.             return;

  282.         case FluidSynthChorusSpeedHz:

  283.             std::strncpy(strBuf, "Chorus Speed", STR_MAX);

  284.             return;

  285.         case FluidSynthChorusDepthMs:

  286.             std::strncpy(strBuf, "Chorus Depth", STR_MAX);

  287.             return;

  288.         case FluidSynthChorusType:

  289.             std::strncpy(strBuf, "Chorus Type", STR_MAX);

  290.             return;

  291.         case FluidSynthPolyphony:

  292.             std::strncpy(strBuf, "Polyphony", STR_MAX);

  293.             return;

  294.         case FluidSynthInterpolation:

  295.             std::strncpy(strBuf, "Interpolation", STR_MAX);

  296.             return;

  297.         case FluidSynthVoiceCount:

  298.             std::strncpy(strBuf, "Voice Count", STR_MAX);

  299.             return;

  300.         }

  301. 

  302.         CarlaPlugin::getParameterName(parameterId, strBuf);

  303.     }

  304. 

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

  306.     {

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

  308. 

  309.         switch (parameterId)

  310.         {

  311.         case FluidSynthChorusSpeedHz:

  312.             std::strncpy(strBuf, "Hz", STR_MAX);

  313.             return;

  314.         case FluidSynthChorusDepthMs:

  315.             std::strncpy(strBuf, "ms", STR_MAX);

  316.             return;

  317.         }

  318. 

  319.         CarlaPlugin::getParameterUnit(parameterId, strBuf);

  320.     }

  321. 

  322.     void getParameterScalePointLabel(const uint32_t parameterId, const uint32_t scalePointId, char* const strBuf) const noexcept override

  323.     {

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

  325.         CARLA_SAFE_ASSERT_RETURN(scalePointId < getParameterScalePointCount(parameterId),);

  326. 

  327.         switch (parameterId)

  328.         {

  329.         case FluidSynthChorusType:

  330.             switch (scalePointId)

  331.             {

  332.             case 0:

  333.                 std::strncpy(strBuf, "Sine wave", STR_MAX);

  334.                 return;

  335.             case 1:

  336.                 std::strncpy(strBuf, "Triangle wave", STR_MAX);

  337.                 return;

  338.             }

  339.         case FluidSynthInterpolation:

  340.             switch (scalePointId)

  341.             {

  342.             case 0:

  343.                 std::strncpy(strBuf, "None", STR_MAX);

  344.                 return;

  345.             case 1:

  346.                 std::strncpy(strBuf, "Straight-line", STR_MAX);

  347.                 return;

  348.             case 2:

  349.                 std::strncpy(strBuf, "Fourth-order", STR_MAX);

  350.                 return;

  351.             case 3:

  352.                 std::strncpy(strBuf, "Seventh-order", STR_MAX);

  353.                 return;

  354.             }

  355.         }

  356. 

  357.         CarlaPlugin::getParameterScalePointLabel(parameterId, scalePointId, strBuf);

  358.     }

  359. 

  360.     // -------------------------------------------------------------------

  361.     // Set data (state)

  362. 

  363.     void prepareForSave() override

  364.     {

  365.         char strBuf[STR_MAX+1];

  366.         std::snprintf(strBuf, STR_MAX, "%i:%i:%i:%i:%i:%i:%i:%i:%i:%i:%i:%i:%i:%i:%i:%i", fCurMidiProgs[0],  fCurMidiProgs[1],  fCurMidiProgs[2],  fCurMidiProgs[3],

  367.                                                                                           fCurMidiProgs[4],  fCurMidiProgs[5],  fCurMidiProgs[6],  fCurMidiProgs[7],

  368.                                                                                           fCurMidiProgs[8],  fCurMidiProgs[9],  fCurMidiProgs[10], fCurMidiProgs[11],

  369.                                                                                           fCurMidiProgs[12], fCurMidiProgs[13], fCurMidiProgs[14], fCurMidiProgs[15]);

  370. 

  371.         CarlaPlugin::setCustomData(CUSTOM_DATA_TYPE_STRING, "midiPrograms", strBuf, false);

  372.     }

  373. 

  374.     // -------------------------------------------------------------------

  375.     // Set data (internal stuff)

  376. 

  377.     void setCtrlChannel(const int8_t channel, const bool sendOsc, const bool sendCallback) noexcept override

  378.     {

  379.         if (channel >= 0 && channel < MAX_MIDI_CHANNELS)

  380.             pData->midiprog.current = fCurMidiProgs[channel];

  381. 

  382.         CarlaPlugin::setCtrlChannel(channel, sendOsc, sendCallback);

  383.     }

  384. 

  385.     // -------------------------------------------------------------------

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

  387. 

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

  389.     {

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

  391. 

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

  393.         fParamBuffers[parameterId] = fixedValue;

  394. 

  395.         {

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

  397. 

  398.             switch (parameterId)

  399.             {

  400.             case FluidSynthReverbOnOff:

  401.                 try {

  402.                     fluid_synth_set_reverb_on(fSynth, (fixedValue > 0.5f) ? 1 : 0);

  403.                 } catch(...) {}

  404.                 break;

  405. 

  406.             case FluidSynthReverbRoomSize:

  407.             case FluidSynthReverbDamp:

  408.             case FluidSynthReverbLevel:

  409.             case FluidSynthReverbWidth:

  410.                 try {

  411.                     fluid_synth_set_reverb(fSynth, fParamBuffers[FluidSynthReverbRoomSize], fParamBuffers[FluidSynthReverbDamp], fParamBuffers[FluidSynthReverbWidth], fParamBuffers[FluidSynthReverbLevel]);

  412.                 } catch(...) {}

  413.                 break;

  414. 

  415.             case FluidSynthChorusOnOff:

  416.                 try {

  417.                     fluid_synth_set_chorus_on(fSynth, (value > 0.5f) ? 1 : 0);

  418.                 } catch(...) {}

  419.                 break;

  420. 

  421.             case FluidSynthChorusNr:

  422.             case FluidSynthChorusLevel:

  423.             case FluidSynthChorusSpeedHz:

  424.             case FluidSynthChorusDepthMs:

  425.             case FluidSynthChorusType:

  426.                 try {

  427.                     fluid_synth_set_chorus(fSynth, (int)fParamBuffers[FluidSynthChorusNr], fParamBuffers[FluidSynthChorusLevel], fParamBuffers[FluidSynthChorusSpeedHz], fParamBuffers[FluidSynthChorusDepthMs], (int)fParamBuffers[FluidSynthChorusType]);

  428.                 } catch(...) {}

  429.                 break;

  430. 

  431.             case FluidSynthPolyphony:

  432.                 try {

  433.                     fluid_synth_set_polyphony(fSynth, (int)value);

  434.                 } catch(...) {}

  435.                 break;

  436. 

  437.             case FluidSynthInterpolation:

  438.                 for (int i=0; i < MAX_MIDI_CHANNELS; ++i)

  439.                 {

  440.                     try {

  441.                         fluid_synth_set_interp_method(fSynth, i, (int)value);

  442.                     }

  443.                     catch(...) {

  444.                         break;

  445.                     }

  446.                 }

  447.                 break;

  448. 

  449.             default:

  450.                 break;

  451.             }

  452.         }

  453. 

  454.         CarlaPlugin::setParameterValue(parameterId, value, sendGui, sendOsc, sendCallback);

  455.     }

  456. 

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

  458.     {

  459.         CARLA_SAFE_ASSERT_RETURN(fSynth != nullptr,);

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

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

  462.         CARLA_SAFE_ASSERT_RETURN(value != nullptr && value[0] != '\0',);

  463.         carla_debug("CarlaPluginFluidSynth::setCustomData(%s, \"%s\", \"%s\", %s)", type, key, value, bool2str(sendGui));

  464. 

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

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

  467. 

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

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

  470. 

  471.         if (std::strcmp(key, "midiPrograms") != 0)

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

  473. 

  474.         StringArray midiProgramList(StringArray::fromTokens(value, ":", ""));

  475. 

  476.         if (midiProgramList.size() == MAX_MIDI_CHANNELS)

  477.         {

  478.             uint8_t channel = 0;

  479.             for (String *it=midiProgramList.begin(), *end=midiProgramList.end(); it != end; ++it)

  480.             {

  481.                 const int index(it->getIntValue());

  482. 

  483.                 if (index >= 0 && index < static_cast<int>(pData->midiprog.count))

  484.                 {

  485.                     const uint32_t bank    = pData->midiprog.data[index].bank;

  486.                     const uint32_t program = pData->midiprog.data[index].program;

  487. 

  488.                     fluid_synth_program_select(fSynth, channel, fSynthId, bank, program);

  489.                     fCurMidiProgs[channel] = index;

  490. 

  491.                     if (pData->ctrlChannel == static_cast<int32_t>(channel))

  492.                     {

  493.                         pData->midiprog.current = index;

  494.                         pData->engine->callback(ENGINE_CALLBACK_MIDI_PROGRAM_CHANGED, pData->id, index, 0, 0.0f, nullptr);

  495.                     }

  496.                 }

  497. 

  498.                 ++channel;

  499.             }

  500.             CARLA_SAFE_ASSERT(channel == MAX_MIDI_CHANNELS);

  501.         }

  502. 

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

  504.     }

  505. 

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

  507.     {

  508.         CARLA_SAFE_ASSERT_RETURN(fSynth != nullptr,);

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

  510. 

  511.         if (index >= 0 && pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  512.         {

  513.             const uint32_t bank    = pData->midiprog.data[index].bank;

  514.             const uint32_t program = pData->midiprog.data[index].program;

  515. 

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

  517. 

  518.             try {

  519.                 fluid_synth_program_select(fSynth, pData->ctrlChannel, fSynthId, bank, program);

  520.             } catch(...) {}

  521. 

  522.             fCurMidiProgs[pData->ctrlChannel] = index;

  523.         }

  524. 

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

  526.     }

  527. 

  528.     // -------------------------------------------------------------------

  529.     // Set ui stuff

  530. 

  531.     // nothing

  532. 

  533.     // -------------------------------------------------------------------

  534.     // Plugin state

  535. 

  536.     void reload() override

  537.     {

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

  539.         CARLA_SAFE_ASSERT_RETURN(fSynth != nullptr,);

  540.         carla_debug("CarlaPluginFluidSynth::reload() - start");

  541. 

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

  543. 

  544.         // Safely disable plugin for reload

  545.         const ScopedDisabler sd(this);

  546. 

  547.         if (pData->active)

  548.             deactivate();

  549. 

  550.         clearBuffers();

  551. 

  552.         uint32_t aOuts, params;

  553.         aOuts  = kUse16Outs ? 32 : 2;

  554.         params = FluidSynthParametersMax;

  555. 

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

  557.         pData->param.createNew(params, false);

  558. 

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

  560.         CarlaString portName;

  561. 

  562.         // ---------------------------------------

  563.         // Audio Outputs

  564. 

  565.         if (kUse16Outs)

  566.         {

  567.             for (uint32_t i=0; i < 32; ++i)

  568.             {

  569.                 portName.clear();

  570. 

  571.                 if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  572.                 {

  573.                     portName  = pData->name;

  574.                     portName += ":";

  575.                 }

  576. 

  577.                 portName += "out-";

  578. 

  579.                 if ((i+2)/2 < 9)

  580.                     portName += "0";

  581. 

  582.                 portName += CarlaString((i+2)/2);

  583. 

  584.                 if (i % 2 == 0)

  585.                     portName += "L";

  586.                 else

  587.                     portName += "R";

  588. 

  589.                 portName.truncate(portNameSize);

  590. 

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

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

  593.             }

  594. 

  595.             fAudio16Buffers = new float*[aOuts];

  596. 

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

  598.                 fAudio16Buffers[i] = nullptr;

  599.         }

  600.         else

  601.         {

  602.             // out-left

  603.             portName.clear();

  604. 

  605.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  606.             {

  607.                 portName  = pData->name;

  608.                 portName += ":";

  609.             }

  610. 

  611.             portName += "out-left";

  612.             portName.truncate(portNameSize);

  613. 

  614.             pData->audioOut.ports[0].port   = (CarlaEngineAudioPort*)pData->client->addPort(kEnginePortTypeAudio, portName, false, 0);

  615.             pData->audioOut.ports[0].rindex = 0;

  616. 

  617.             // out-right

  618.             portName.clear();

  619. 

  620.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  621.             {

  622.                 portName  = pData->name;

  623.                 portName += ":";

  624.             }

  625. 

  626.             portName += "out-right";

  627.             portName.truncate(portNameSize);

  628. 

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

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

  631.         }

  632. 

  633.         // ---------------------------------------

  634.         // Event Input

  635. 

  636.         {

  637.             portName.clear();

  638. 

  639.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  640.             {

  641.                 portName  = pData->name;

  642.                 portName += ":";

  643.             }

  644. 

  645.             portName += "events-in";

  646.             portName.truncate(portNameSize);

  647. 

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

  649.         }

  650. 

  651.         // ---------------------------------------

  652.         // Event Output

  653. 

  654.         {

  655.             portName.clear();

  656. 

  657.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  658.             {

  659.                 portName  = pData->name;

  660.                 portName += ":";

  661.             }

  662. 

  663.             portName += "events-out";

  664.             portName.truncate(portNameSize);

  665. 

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

  667.         }

  668. 

  669.         // ---------------------------------------

  670.         // Parameters

  671. 

  672.         {

  673.             int j;

  674. 

  675.             // ----------------------

  676.             j = FluidSynthReverbOnOff;

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

  678.             pData->param.data[j].hints  = PARAMETER_IS_ENABLED /*| PARAMETER_IS_AUTOMABLE*/ | PARAMETER_IS_BOOLEAN;

  679.             pData->param.data[j].index  = j;

  680.             pData->param.data[j].rindex = j;

  681.             pData->param.ranges[j].min = 0.0f;

  682.             pData->param.ranges[j].max = 1.0f;

  683.             pData->param.ranges[j].def = 1.0f;

  684.             pData->param.ranges[j].step = 1.0f;

  685.             pData->param.ranges[j].stepSmall = 1.0f;

  686.             pData->param.ranges[j].stepLarge = 1.0f;

  687. 

  688.             // ----------------------

  689.             j = FluidSynthReverbRoomSize;

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

  691.             pData->param.data[j].hints  = PARAMETER_IS_ENABLED /*| PARAMETER_IS_AUTOMABLE*/;

  692.             pData->param.data[j].index  = j;

  693.             pData->param.data[j].rindex = j;

  694.             pData->param.ranges[j].min = 0.0f;

  695.             pData->param.ranges[j].max = 1.2f;

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

  697.             pData->param.ranges[j].step = 0.01f;

  698.             pData->param.ranges[j].stepSmall = 0.0001f;

  699.             pData->param.ranges[j].stepLarge = 0.1f;

  700. 

  701.             // ----------------------

  702.             j = FluidSynthReverbDamp;

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

  704.             pData->param.data[j].hints  = PARAMETER_IS_ENABLED /*| PARAMETER_IS_AUTOMABLE*/;

  705.             pData->param.data[j].index  = j;

  706.             pData->param.data[j].rindex = j;

  707.             pData->param.ranges[j].min = 0.0f;

  708.             pData->param.ranges[j].max = 1.0f;

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

  710.             pData->param.ranges[j].step = 0.01f;

  711.             pData->param.ranges[j].stepSmall = 0.0001f;

  712.             pData->param.ranges[j].stepLarge = 0.1f;

  713. 

  714.             // ----------------------

  715.             j = FluidSynthReverbLevel;

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

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

  718.             pData->param.data[j].index  = j;

  719.             pData->param.data[j].rindex = j;

  720.             pData->param.data[j].midiCC = MIDI_CONTROL_REVERB_SEND_LEVEL;

  721.             pData->param.ranges[j].min = 0.0f;

  722.             pData->param.ranges[j].max = 1.0f;

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

  724.             pData->param.ranges[j].step = 0.01f;

  725.             pData->param.ranges[j].stepSmall = 0.0001f;

  726.             pData->param.ranges[j].stepLarge = 0.1f;

  727. 

  728.             // ----------------------

  729.             j = FluidSynthReverbWidth;

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

  731.             pData->param.data[j].hints  = PARAMETER_IS_ENABLED /*| PARAMETER_IS_AUTOMABLE*/;

  732.             pData->param.data[j].index  = j;

  733.             pData->param.data[j].rindex = j;

  734.             pData->param.ranges[j].min = 0.0f;

  735.             pData->param.ranges[j].max = 10.0f; // should be 100, but that sounds too much

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

  737.             pData->param.ranges[j].step = 0.01f;

  738.             pData->param.ranges[j].stepSmall = 0.0001f;

  739.             pData->param.ranges[j].stepLarge = 0.1f;

  740. 

  741.             // ----------------------

  742.             j = FluidSynthChorusOnOff;

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

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

  745.             pData->param.data[j].index  = j;

  746.             pData->param.data[j].rindex = j;

  747.             pData->param.ranges[j].min = 0.0f;

  748.             pData->param.ranges[j].max = 1.0f;

  749.             pData->param.ranges[j].def = 1.0f;

  750.             pData->param.ranges[j].step = 1.0f;

  751.             pData->param.ranges[j].stepSmall = 1.0f;

  752.             pData->param.ranges[j].stepLarge = 1.0f;

  753. 

  754.             // ----------------------

  755.             j = FluidSynthChorusNr;

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

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

  758.             pData->param.data[j].index  = j;

  759.             pData->param.data[j].rindex = j;

  760.             pData->param.ranges[j].min = 0.0f;

  761.             pData->param.ranges[j].max = 99.0f;

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

  763.             pData->param.ranges[j].step = 1.0f;

  764.             pData->param.ranges[j].stepSmall = 1.0f;

  765.             pData->param.ranges[j].stepLarge = 10.0f;

  766. 

  767.             // ----------------------

  768.             j = FluidSynthChorusLevel;

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

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

  771.             pData->param.data[j].index  = j;

  772.             pData->param.data[j].rindex = j;

  773.             pData->param.ranges[j].min = 0.0f;

  774.             pData->param.ranges[j].max = 10.0f;

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

  776.             pData->param.ranges[j].step = 0.01f;

  777.             pData->param.ranges[j].stepSmall = 0.0001f;

  778.             pData->param.ranges[j].stepLarge = 0.1f;

  779. 

  780.             // ----------------------

  781.             j = FluidSynthChorusSpeedHz;

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

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

  784.             pData->param.data[j].index  = j;

  785.             pData->param.data[j].rindex = j;

  786.             pData->param.ranges[j].min = 0.29f;

  787.             pData->param.ranges[j].max = 5.0f;

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

  789.             pData->param.ranges[j].step = 0.01f;

  790.             pData->param.ranges[j].stepSmall = 0.0001f;

  791.             pData->param.ranges[j].stepLarge = 0.1f;

  792. 

  793.             // ----------------------

  794.             j = FluidSynthChorusDepthMs;

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

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

  797.             pData->param.data[j].index  = j;

  798.             pData->param.data[j].rindex = j;

  799.             pData->param.ranges[j].min = 0.0f;

  800.             pData->param.ranges[j].max = float(2048.0 * 1000.0 / pData->engine->getSampleRate()); // FIXME?

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

  802.             pData->param.ranges[j].step = 0.01f;

  803.             pData->param.ranges[j].stepSmall = 0.0001f;

  804.             pData->param.ranges[j].stepLarge = 0.1f;

  805. 

  806.             // ----------------------

  807.             j = FluidSynthChorusType;

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

  809.             pData->param.data[j].hints  = PARAMETER_IS_ENABLED | PARAMETER_IS_INTEGER | PARAMETER_USES_SCALEPOINTS;

  810.             pData->param.data[j].index  = j;

  811.             pData->param.data[j].rindex = j;

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

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

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

  815.             pData->param.ranges[j].step = 1.0f;

  816.             pData->param.ranges[j].stepSmall = 1.0f;

  817.             pData->param.ranges[j].stepLarge = 1.0f;

  818. 

  819.             // ----------------------

  820.             j = FluidSynthPolyphony;

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

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

  823.             pData->param.data[j].index  = j;

  824.             pData->param.data[j].rindex = j;

  825.             pData->param.ranges[j].min = 1.0f;

  826.             pData->param.ranges[j].max = 512.0f; // max theoric is 65535

  827.             pData->param.ranges[j].def = (float)fluid_synth_get_polyphony(fSynth);

  828.             pData->param.ranges[j].step = 1.0f;

  829.             pData->param.ranges[j].stepSmall = 1.0f;

  830.             pData->param.ranges[j].stepLarge = 10.0f;

  831. 

  832.             // ----------------------

  833.             j = FluidSynthInterpolation;

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

  835.             pData->param.data[j].hints  = PARAMETER_IS_ENABLED | PARAMETER_IS_INTEGER | PARAMETER_USES_SCALEPOINTS;

  836.             pData->param.data[j].index  = j;

  837.             pData->param.data[j].rindex = j;

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

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

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

  841.             pData->param.ranges[j].step = 1.0f;

  842.             pData->param.ranges[j].stepSmall = 1.0f;

  843.             pData->param.ranges[j].stepLarge = 1.0f;

  844. 

  845.             // ----------------------

  846.             j = FluidSynthVoiceCount;

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

  848.             pData->param.data[j].hints  = PARAMETER_IS_ENABLED | PARAMETER_IS_AUTOMABLE | PARAMETER_IS_INTEGER;

  849.             pData->param.data[j].index  = j;

  850.             pData->param.data[j].rindex = j;

  851.             pData->param.ranges[j].min = 0.0f;

  852.             pData->param.ranges[j].max = 65535.0f;

  853.             pData->param.ranges[j].def = 0.0f;

  854.             pData->param.ranges[j].step = 1.0f;

  855.             pData->param.ranges[j].stepSmall = 1.0f;

  856.             pData->param.ranges[j].stepLarge = 1.0f;

  857. 

  858.             for (j=0; j<FluidSynthParametersMax; ++j)

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

  860.         }

  861. 

  862.         // ---------------------------------------

  863. 

  864.         // plugin hints

  865.         pData->hints  = 0x0;

  866.         pData->hints |= PLUGIN_IS_SYNTH;

  867.         pData->hints |= PLUGIN_CAN_VOLUME;

  868.         pData->hints |= PLUGIN_USES_MULTI_PROGS;

  869. 

  870.         if (! kUse16Outs)

  871.             pData->hints |= PLUGIN_CAN_BALANCE;

  872. 

  873.         // extra plugin hints

  874.         pData->extraHints  = 0x0;

  875.         pData->extraHints |= PLUGIN_EXTRA_HINT_HAS_MIDI_IN;

  876. 

  877.         if (kUse16Outs)

  878.             pData->extraHints |= PLUGIN_EXTRA_HINT_CAN_RUN_RACK;

  879. 

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

  881.         reloadPrograms(true);

  882. 

  883.         if (pData->active)

  884.             activate();

  885. 

  886.         carla_debug("CarlaPluginFluidSynth::reload() - end");

  887.     }

  888. 

  889.     void reloadPrograms(const bool doInit) override

  890.     {

  891.         carla_debug("CarlaPluginFluidSynth::reloadPrograms(%s)", bool2str(doInit));

  892. 

  893.         // save drum info in case we have one program for it

  894.         bool hasDrums = false;

  895.         uint32_t drumIndex, drumProg;

  896.         drumIndex = drumProg = 0;

  897. 

  898.         // Delete old programs

  899.         pData->midiprog.clear();

  900. 

  901.         // Query new programs

  902.         uint32_t count = 0;

  903. 

  904.         if (fluid_sfont_t* const f_sfont = fluid_synth_get_sfont_by_id(fSynth, fSynthId))

  905.         {

  906.             fluid_preset_t f_preset;

  907. 

  908.             // initial check to know how many midi-programs we have

  909.             f_sfont->iteration_start(f_sfont);

  910.             for (; f_sfont->iteration_next(f_sfont, &f_preset);)

  911.                 ++count;

  912. 

  913.             // sound kits must always have at least 1 midi-program

  914.             CARLA_SAFE_ASSERT_RETURN(count > 0,);

  915. 

  916.             pData->midiprog.createNew(count);

  917. 

  918.             // Update data

  919.             int tmp;

  920.             uint32_t i = 0;

  921.             f_sfont->iteration_start(f_sfont);

  922. 

  923.             for (; f_sfont->iteration_next(f_sfont, &f_preset);)

  924.             {

  925.                 CARLA_SAFE_ASSERT_BREAK(i < count);

  926. 

  927.                 tmp = f_preset.get_banknum(&f_preset);

  928.                 pData->midiprog.data[i].bank = (tmp >= 0) ? static_cast<uint32_t>(tmp) : 0;

  929. 

  930.                 tmp = f_preset.get_num(&f_preset);

  931.                 pData->midiprog.data[i].program = (tmp >= 0) ? static_cast<uint32_t>(tmp) : 0;

  932. 

  933.                 pData->midiprog.data[i].name = carla_strdup(f_preset.get_name(&f_preset));

  934. 

  935.                 if (pData->midiprog.data[i].bank == 128 && ! hasDrums)

  936.                 {

  937.                     hasDrums  = true;

  938.                     drumIndex = i;

  939.                     drumProg  = pData->midiprog.data[i].program;

  940.                 }

  941. 

  942.                 ++i;

  943.             }

  944.         }

  945.         else

  946.         {

  947.             // failing means 0 midi-programs, it shouldn't happen!

  948.             carla_safe_assert("fluid_sfont_t* const f_sfont = fluid_synth_get_sfont_by_id(fSynth, fSynthId)", __FILE__, __LINE__);

  949.             return;

  950.         }

  951. 

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

  953.         // Update OSC Names

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

  955.         {

  956.             pData->engine->oscSend_control_set_midi_program_count(pData->id, count);

  957. 

  958.             for (uint32_t i=0; i < count; ++i)

  959.                 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);

  960.         }

  961. #endif

  962. 

  963.         if (doInit)

  964.         {

  965.             fluid_synth_program_reset(fSynth);

  966. 

  967.             // select first program, or 128 for ch10

  968.             for (int i=0; i < MAX_MIDI_CHANNELS && i != 9; ++i)

  969.             {

  970. #ifdef FLUIDSYNTH_VERSION_NEW_API

  971.                 fluid_synth_set_channel_type(fSynth, i, CHANNEL_TYPE_MELODIC);

  972. #endif

  973.                 fluid_synth_program_select(fSynth, i, fSynthId, pData->midiprog.data[0].bank, pData->midiprog.data[0].program);

  974. 

  975.                 fCurMidiProgs[i] = 0;

  976.             }

  977. 

  978.             if (hasDrums)

  979.             {

  980. #ifdef FLUIDSYNTH_VERSION_NEW_API

  981.                 fluid_synth_set_channel_type(fSynth, 9, CHANNEL_TYPE_DRUM);

  982. #endif

  983.                 fluid_synth_program_select(fSynth, 9, fSynthId, 128, drumProg);

  984. 

  985.                 fCurMidiProgs[9] = static_cast<int32_t>(drumIndex);

  986.             }

  987.             else

  988.             {

  989. #ifdef FLUIDSYNTH_VERSION_NEW_API

  990.                 fluid_synth_set_channel_type(fSynth, 9, CHANNEL_TYPE_MELODIC);

  991. #endif

  992.                 fluid_synth_program_select(fSynth, 9, fSynthId, pData->midiprog.data[0].bank, pData->midiprog.data[0].program);

  993. 

  994.                 fCurMidiProgs[9] = 0;

  995.             }

  996. 

  997.             pData->midiprog.current = 0;

  998.         }

  999.         else

  1000.         {

  1001.             pData->engine->callback(ENGINE_CALLBACK_RELOAD_PROGRAMS, pData->id, 0, 0, 0.0f, nullptr);

  1002.         }

  1003.     }

  1004. 

  1005.     // -------------------------------------------------------------------

  1006.     // Plugin processing

  1007. 

  1008.     void process(const float** const, float** const audioOut, const float** const, float** const, const uint32_t frames) override

  1009.     {

  1010.         // --------------------------------------------------------------------------------------------------------

  1011.         // Check if active

  1012. 

  1013.         if (! pData->active)

  1014.         {

  1015.             // disable any output sound

  1016.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1017.                 FloatVectorOperations::clear(audioOut[i], static_cast<int>(frames));

  1018.             return;

  1019.         }

  1020. 

  1021.         // --------------------------------------------------------------------------------------------------------

  1022.         // Check if needs reset

  1023. 

  1024.         if (pData->needsReset)

  1025.         {

  1026.             if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1027.             {

  1028.                 for (int i=0; i < MAX_MIDI_CHANNELS; ++i)

  1029.                 {

  1030. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1031.                     fluid_synth_all_notes_off(fSynth, i);

  1032.                     fluid_synth_all_sounds_off(fSynth, i);

  1033. #else

  1034.                     fluid_synth_cc(fSynth, i, MIDI_CONTROL_ALL_SOUND_OFF, 0);

  1035.                     fluid_synth_cc(fSynth, i, MIDI_CONTROL_ALL_NOTES_OFF, 0);

  1036. #endif

  1037.                 }

  1038.             }

  1039.             else if (pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1040.             {

  1041.                 for (int i=0; i < MAX_MIDI_NOTE; ++i)

  1042.                     fluid_synth_noteoff(fSynth, pData->ctrlChannel, i);

  1043.             }

  1044. 

  1045.             pData->needsReset = false;

  1046.         }

  1047. 

  1048.         // --------------------------------------------------------------------------------------------------------

  1049.         // Event Input and Processing

  1050. 

  1051.         {

  1052.             // ----------------------------------------------------------------------------------------------------

  1053.             // MIDI Input (External)

  1054. 

  1055.             if (pData->extNotes.mutex.tryLock())

  1056.             {

  1057.                 for (RtLinkedList<ExternalMidiNote>::Itenerator it = pData->extNotes.data.begin(); it.valid(); it.next())

  1058.                 {

  1059.                     const ExternalMidiNote& note(it.getValue());

  1060. 

  1061.                     CARLA_SAFE_ASSERT_CONTINUE(note.channel >= 0 && note.channel < MAX_MIDI_CHANNELS);

  1062. 

  1063.                     if (note.velo > 0)

  1064.                         fluid_synth_noteon(fSynth, note.channel, note.note, note.velo);

  1065.                     else

  1066.                         fluid_synth_noteoff(fSynth,note.channel, note.note);

  1067.                 }

  1068. 

  1069.                 pData->extNotes.data.clear();

  1070.                 pData->extNotes.mutex.unlock();

  1071. 

  1072.             } // End of MIDI Input (External)

  1073. 

  1074.             // ----------------------------------------------------------------------------------------------------

  1075.             // Event Input (System)

  1076. 

  1077. #ifndef BUILD_BRIDGE

  1078.             bool allNotesOffSent = false;

  1079. #endif

  1080.             uint32_t timeOffset = 0;

  1081. 

  1082.             uint32_t nextBankIds[MAX_MIDI_CHANNELS] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 0, 0, 0, 0, 0, 0 };

  1083. 

  1084.             if (pData->midiprog.current >= 0 && pData->midiprog.count > 0 && pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1085.                 nextBankIds[pData->ctrlChannel] = pData->midiprog.data[pData->midiprog.current].bank;

  1086. 

  1087.             for (uint32_t i=0, numEvents=pData->event.portIn->getEventCount(); i < numEvents; ++i)

  1088.             {

  1089.                 const EngineEvent& event(pData->event.portIn->getEvent(i));

  1090. 

  1091.                 if (event.time >= frames)

  1092.                     continue;

  1093. 

  1094.                 CARLA_ASSERT_INT2(event.time >= timeOffset, event.time, timeOffset);

  1095. 

  1096.                 if (event.time > timeOffset)

  1097.                 {

  1098.                     if (processSingle(audioOut, event.time - timeOffset, timeOffset))

  1099.                     {

  1100.                         timeOffset = event.time;

  1101. 

  1102.                         if (pData->midiprog.current >= 0 && pData->midiprog.count > 0 && pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1103.                             nextBankIds[pData->ctrlChannel] = pData->midiprog.data[pData->midiprog.current].bank;

  1104.                     }

  1105.                 }

  1106. 

  1107.                 // Control change

  1108.                 switch (event.type)

  1109.                 {

  1110.                 case kEngineEventTypeNull:

  1111.                     break;

  1112. 

  1113.                 case kEngineEventTypeControl:

  1114.                 {

  1115.                     const EngineControlEvent& ctrlEvent = event.ctrl;

  1116. 

  1117.                     switch (ctrlEvent.type)

  1118.                     {

  1119.                     case kEngineControlEventTypeNull:

  1120.                         break;

  1121. 

  1122.                     case kEngineControlEventTypeParameter:

  1123.                     {

  1124. #ifndef BUILD_BRIDGE

  1125.                         // Control backend stuff

  1126.                         if (event.channel == pData->ctrlChannel)

  1127.                         {

  1128.                             float value;

  1129. 

  1130.                             if (MIDI_IS_CONTROL_BREATH_CONTROLLER(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_DRYWET) != 0)

  1131.                             {

  1132.                                 value = ctrlEvent.value;

  1133.                                 setDryWet(value, false, false);

  1134.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_DRYWET, 0, value);

  1135.                             }

  1136. 

  1137.                             if (MIDI_IS_CONTROL_CHANNEL_VOLUME(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_VOLUME) != 0)

  1138.                             {

  1139.                                 value = ctrlEvent.value*127.0f/100.0f;

  1140.                                 setVolume(value, false, false);

  1141.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_VOLUME, 0, value);

  1142.                             }

  1143. 

  1144.                             if (MIDI_IS_CONTROL_BALANCE(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_BALANCE) != 0)

  1145.                             {

  1146.                                 float left, right;

  1147.                                 value = ctrlEvent.value/0.5f - 1.0f;

  1148. 

  1149.                                 if (value < 0.0f)

  1150.                                 {

  1151.                                     left  = -1.0f;

  1152.                                     right = (value*2.0f)+1.0f;

  1153.                                 }

  1154.                                 else if (value > 0.0f)

  1155.                                 {

  1156.                                     left  = (value*2.0f)-1.0f;

  1157.                                     right = 1.0f;

  1158.                                 }

  1159.                                 else

  1160.                                 {

  1161.                                     left  = -1.0f;

  1162.                                     right = 1.0f;

  1163.                                 }

  1164. 

  1165.                                 setBalanceLeft(left, false, false);

  1166.                                 setBalanceRight(right, false, false);

  1167.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_LEFT, 0, left);

  1168.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_RIGHT, 0, right);

  1169.                             }

  1170.                         }

  1171. #endif

  1172.                         // Control plugin parameters

  1173.                         for (uint32_t k=0; k < pData->param.count; ++k)

  1174.                         {

  1175.                             if (pData->param.data[k].midiChannel != event.channel)

  1176.                                 continue;

  1177.                             if (pData->param.data[k].midiCC != ctrlEvent.param)

  1178.                                 continue;

  1179.                             if (pData->param.data[k].hints != PARAMETER_INPUT)

  1180.                                 continue;

  1181.                             if ((pData->param.data[k].hints & PARAMETER_IS_AUTOMABLE) == 0)

  1182.                                 continue;

  1183. 

  1184.                             float value;

  1185. 

  1186.                             if (pData->param.data[k].hints & PARAMETER_IS_BOOLEAN)

  1187.                             {

  1188.                                 value = (ctrlEvent.value < 0.5f) ? pData->param.ranges[k].min : pData->param.ranges[k].max;

  1189.                             }

  1190.                             else

  1191.                             {

  1192.                                 value = pData->param.ranges[k].getUnnormalizedValue(ctrlEvent.value);

  1193. 

  1194.                                 if (pData->param.data[k].hints & PARAMETER_IS_INTEGER)

  1195.                                     value = std::rint(value);

  1196.                             }

  1197. 

  1198.                             setParameterValue(k, value, false, false, false);

  1199.                             pData->postponeRtEvent(kPluginPostRtEventParameterChange, static_cast<int32_t>(k), 0, value);

  1200.                         }

  1201. 

  1202.                         if ((pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0 && ctrlEvent.param < MAX_MIDI_CONTROL)

  1203.                         {

  1204.                             fluid_synth_cc(fSynth, event.channel, ctrlEvent.param, int(ctrlEvent.value*127.0f));

  1205.                         }

  1206.                         break;

  1207.                     }

  1208. 

  1209.                     case kEngineControlEventTypeMidiBank:

  1210.                         if (event.channel < MAX_MIDI_CHANNELS && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1211.                             nextBankIds[event.channel] = ctrlEvent.param;

  1212.                         break;

  1213. 

  1214.                     case kEngineControlEventTypeMidiProgram:

  1215.                         if (event.channel < MAX_MIDI_CHANNELS && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1216.                         {

  1217.                             const uint32_t bankId(nextBankIds[event.channel]);

  1218.                             const uint32_t progId(ctrlEvent.param);

  1219. 

  1220.                             // TODO int32_t midiprog.find(bank, prog)

  1221.                             for (uint32_t k=0; k < pData->midiprog.count; ++k)

  1222.                             {

  1223.                                 if (pData->midiprog.data[k].bank == bankId && pData->midiprog.data[k].program == progId)

  1224.                                 {

  1225.                                     fluid_synth_program_select(fSynth, event.channel, fSynthId, bankId, progId);

  1226.                                     fCurMidiProgs[event.channel] = static_cast<int32_t>(k);

  1227. 

  1228.                                     if (event.channel == pData->ctrlChannel)

  1229.                                         pData->postponeRtEvent(kPluginPostRtEventMidiProgramChange, static_cast<int32_t>(k), 0, 0.0f);

  1230. 

  1231.                                     break;

  1232.                                 }

  1233.                             }

  1234.                         }

  1235.                         break;

  1236. 

  1237.                     case kEngineControlEventTypeAllSoundOff:

  1238.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1239.                         {

  1240. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1241.                             fluid_synth_all_sounds_off(fSynth, event.channel);

  1242. #else

  1243.                             fluid_synth_cc(fSynth, event.channel, MIDI_CONTROL_ALL_SOUND_OFF, 0);

  1244. #endif

  1245.                         }

  1246.                         break;

  1247. 

  1248.                     case kEngineControlEventTypeAllNotesOff:

  1249.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1250.                         {

  1251. #ifndef BUILD_BRIDGE

  1252.                             if (event.channel == pData->ctrlChannel && ! allNotesOffSent)

  1253.                             {

  1254.                                 allNotesOffSent = true;

  1255.                                 sendMidiAllNotesOffToCallback();

  1256.                             }

  1257. #endif

  1258. 

  1259. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1260.                             fluid_synth_all_notes_off(fSynth, event.channel);

  1261. #else

  1262.                             fluid_synth_cc(fSynth, event.channel, MIDI_CONTROL_ALL_NOTES_OFF, 0);

  1263. #endif

  1264.                         }

  1265.                         break;

  1266.                     }

  1267. 

  1268.                     break;

  1269.                 }

  1270. 

  1271.                 case kEngineEventTypeMidi: {

  1272.                     const EngineMidiEvent& midiEvent(event.midi);

  1273. 

  1274.                     if (midiEvent.size > EngineMidiEvent::kDataSize)

  1275.                         continue;

  1276. 

  1277.                     uint8_t status = uint8_t(MIDI_GET_STATUS_FROM_DATA(midiEvent.data));

  1278. 

  1279.                     // Fix bad note-off

  1280.                     if (status == MIDI_STATUS_NOTE_ON && midiEvent.data[2] == 0)

  1281.                         status = MIDI_STATUS_NOTE_OFF;

  1282. 

  1283.                     switch (status)

  1284.                     {

  1285.                     case MIDI_STATUS_NOTE_OFF: {

  1286.                         const uint8_t note = midiEvent.data[1];

  1287. 

  1288.                         fluid_synth_noteoff(fSynth, event.channel, note);

  1289. 

  1290.                         pData->postponeRtEvent(kPluginPostRtEventNoteOff, event.channel, note, 0.0f);

  1291.                         break;

  1292.                     }

  1293. 

  1294.                     case MIDI_STATUS_NOTE_ON: {

  1295.                         const uint8_t note = midiEvent.data[1];

  1296.                         const uint8_t velo = midiEvent.data[2];

  1297. 

  1298.                         fluid_synth_noteon(fSynth, event.channel, note, velo);

  1299. 

  1300.                         pData->postponeRtEvent(kPluginPostRtEventNoteOn, event.channel, note, velo);

  1301.                         break;

  1302.                     }

  1303. 

  1304.                     case MIDI_STATUS_POLYPHONIC_AFTERTOUCH:

  1305.                         if (pData->options & PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH)

  1306.                         {

  1307.                             //const uint8_t note     = midiEvent.data[1];

  1308.                             //const uint8_t pressure = midiEvent.data[2];

  1309. 

  1310.                             // not in fluidsynth API

  1311.                         }

  1312.                         break;

  1313. 

  1314.                     case MIDI_STATUS_CONTROL_CHANGE:

  1315.                         if (pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES)

  1316.                         {

  1317.                             const uint8_t control = midiEvent.data[1];

  1318.                             const uint8_t value   = midiEvent.data[2];

  1319. 

  1320.                             fluid_synth_cc(fSynth, event.channel, control, value);

  1321.                         }

  1322.                         break;

  1323. 

  1324.                     case MIDI_STATUS_CHANNEL_PRESSURE:

  1325.                         if (pData->options & PLUGIN_OPTION_SEND_CHANNEL_PRESSURE)

  1326.                         {

  1327.                             const uint8_t pressure = midiEvent.data[1];

  1328. 

  1329.                             fluid_synth_channel_pressure(fSynth, event.channel, pressure);;

  1330.                         }

  1331.                         break;

  1332. 

  1333.                     case MIDI_STATUS_PITCH_WHEEL_CONTROL:

  1334.                         if (pData->options & PLUGIN_OPTION_SEND_PITCHBEND)

  1335.                         {

  1336.                             const uint8_t lsb = midiEvent.data[1];

  1337.                             const uint8_t msb = midiEvent.data[2];

  1338.                             const int   value = ((msb << 7) | lsb);

  1339. 

  1340.                             fluid_synth_pitch_bend(fSynth, event.channel, value);

  1341.                         }

  1342.                         break;

  1343. 

  1344.                     default:

  1345.                         continue;

  1346.                         break;

  1347.                     } // switch (status)

  1348.                 } break;

  1349.                 } // switch (event.type)

  1350.             }

  1351. 

  1352.             pData->postRtEvents.trySplice();

  1353. 

  1354.             if (frames > timeOffset)

  1355.                 processSingle(audioOut, frames - timeOffset, timeOffset);

  1356. 

  1357.         } // End of Event Input and Processing

  1358. 

  1359. #ifndef BUILD_BRIDGE

  1360.         // --------------------------------------------------------------------------------------------------------

  1361.         // Control Output

  1362. 

  1363.         {

  1364.             uint32_t k = FluidSynthVoiceCount;

  1365.             fParamBuffers[k] = float(fluid_synth_get_active_voice_count(fSynth));

  1366.             pData->param.ranges[k].fixValue(fParamBuffers[k]);

  1367. 

  1368.             if (pData->param.data[k].midiCC > 0)

  1369.             {

  1370.                 float value(pData->param.ranges[k].getNormalizedValue(fParamBuffers[k]));

  1371.                 pData->event.portOut->writeControlEvent(0, pData->param.data[k].midiChannel, kEngineControlEventTypeParameter, static_cast<uint16_t>(pData->param.data[k].midiCC), value);

  1372.             }

  1373. 

  1374.         } // End of Control Output

  1375. #endif

  1376.     }

  1377. 

  1378.     bool processSingle(float** const outBuffer, const uint32_t frames, const uint32_t timeOffset)

  1379.     {

  1380.         CARLA_SAFE_ASSERT_RETURN(outBuffer != nullptr, false);

  1381.         CARLA_SAFE_ASSERT_RETURN(frames > 0, false);

  1382. 

  1383.         // --------------------------------------------------------------------------------------------------------

  1384.         // Try lock, silence otherwise

  1385. 

  1386.         if (pData->engine->isOffline())

  1387.         {

  1388.             pData->singleMutex.lock();

  1389.         }

  1390.         else if (! pData->singleMutex.tryLock())

  1391.         {

  1392.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1393.             {

  1394.                 for (uint32_t k=0; k < frames; ++k)

  1395.                     outBuffer[i][k+timeOffset] = 0.0f;

  1396.             }

  1397. 

  1398.             return false;

  1399.         }

  1400. 

  1401.         // --------------------------------------------------------------------------------------------------------

  1402.         // Fill plugin buffers and Run plugin

  1403. 

  1404.         if (kUse16Outs)

  1405.         {

  1406.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1407.                 FloatVectorOperations::clear(fAudio16Buffers[i], static_cast<int>(frames));

  1408. 

  1409.             // FIXME use '32' or '16' instead of outs

  1410.             fluid_synth_process(fSynth, static_cast<int>(frames), 0, nullptr, static_cast<int>(pData->audioOut.count), fAudio16Buffers);

  1411.         }

  1412.         else

  1413.             fluid_synth_write_float(fSynth, static_cast<int>(frames), outBuffer[0] + timeOffset, 0, 1, outBuffer[1] + timeOffset, 0, 1);

  1414. 

  1415. #ifndef BUILD_BRIDGE

  1416.         // --------------------------------------------------------------------------------------------------------

  1417.         // Post-processing (volume and balance)

  1418. 

  1419.         {

  1420.             // note - balance not possible with kUse16Outs, so we can safely skip fAudioOutBuffers

  1421.             const bool doVolume  = (pData->hints & PLUGIN_CAN_VOLUME) != 0 && ! carla_compareFloats(pData->postProc.volume, 1.0f);

  1422.             const bool doBalance = (pData->hints & PLUGIN_CAN_BALANCE) != 0 && ! (carla_compareFloats(pData->postProc.balanceLeft, -1.0f) && carla_compareFloats(pData->postProc.balanceRight, 1.0f));

  1423. 

  1424.             float oldBufLeft[doBalance ? frames : 1];

  1425. 

  1426.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1427.             {

  1428.                 // Balance

  1429.                 if (doBalance)

  1430.                 {

  1431.                     if (i % 2 == 0)

  1432.                         FloatVectorOperations::copy(oldBufLeft, outBuffer[i]+timeOffset, static_cast<int>(frames));

  1433. 

  1434.                     float balRangeL = (pData->postProc.balanceLeft  + 1.0f)/2.0f;

  1435.                     float balRangeR = (pData->postProc.balanceRight + 1.0f)/2.0f;

  1436. 

  1437.                     for (uint32_t k=0; k < frames; ++k)

  1438.                     {

  1439.                         if (i % 2 == 0)

  1440.                         {

  1441.                             // left

  1442.                             outBuffer[i][k+timeOffset]  = oldBufLeft[k]                * (1.0f - balRangeL);

  1443.                             outBuffer[i][k+timeOffset] += outBuffer[i+1][k+timeOffset] * (1.0f - balRangeR);

  1444.                         }

  1445.                         else

  1446.                         {

  1447.                             // right

  1448.                             outBuffer[i][k+timeOffset]  = outBuffer[i][k+timeOffset] * balRangeR;

  1449.                             outBuffer[i][k+timeOffset] += oldBufLeft[k]              * balRangeL;

  1450.                         }

  1451.                     }

  1452.                 }

  1453. 

  1454.                 // Volume

  1455.                 if (kUse16Outs)

  1456.                 {

  1457.                     for (uint32_t k=0; k < frames; ++k)

  1458.                         outBuffer[i][k+timeOffset] = fAudio16Buffers[i][k] * pData->postProc.volume;

  1459.                 }

  1460.                 else if (doVolume)

  1461.                 {

  1462.                     for (uint32_t k=0; k < frames; ++k)

  1463.                         outBuffer[i][k+timeOffset] *= pData->postProc.volume;

  1464.                 }

  1465.             }

  1466. 

  1467.         } // End of Post-processing

  1468. #else

  1469.         if (kUse16Outs)

  1470.         {

  1471.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1472.             {

  1473.                 for (uint32_t k=0; k < frames; ++k)

  1474.                     outBuffer[i][k+timeOffset] = fAudio16Buffers[i][k];

  1475.             }

  1476.         }

  1477. #endif

  1478. 

  1479.         // --------------------------------------------------------------------------------------------------------

  1480. 

  1481.         pData->singleMutex.unlock();

  1482.         return true;

  1483.     }

  1484. 

  1485.     void bufferSizeChanged(const uint32_t newBufferSize) override

  1486.     {

  1487.         if (! kUse16Outs)

  1488.             return;

  1489. 

  1490.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1491.         {

  1492.             if (fAudio16Buffers[i] != nullptr)

  1493.                 delete[] fAudio16Buffers[i];

  1494.             fAudio16Buffers[i] = new float[newBufferSize];

  1495.         }

  1496.     }

  1497. 

  1498.     void sampleRateChanged(const double newSampleRate) override

  1499.     {

  1500.         CARLA_SAFE_ASSERT_RETURN(fSettings != nullptr,);

  1501. 

  1502.         fluid_settings_setnum(fSettings, "synth.sample-rate", newSampleRate);

  1503. 

  1504. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1505.         CARLA_SAFE_ASSERT_RETURN(fSynth != nullptr,);

  1506. 

  1507.         fluid_synth_set_sample_rate(fSynth, float(newSampleRate));

  1508. #endif

  1509.     }

  1510. 

  1511.     // -------------------------------------------------------------------

  1512.     // Plugin buffers

  1513. 

  1514.     void clearBuffers() noexcept override

  1515.     {

  1516.         carla_debug("CarlaPluginFluidSynth::clearBuffers() - start");

  1517. 

  1518.         if (fAudio16Buffers != nullptr)

  1519.         {

  1520.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1521.             {

  1522.                 if (fAudio16Buffers[i] != nullptr)

  1523.                 {

  1524.                     delete[] fAudio16Buffers[i];

  1525.                     fAudio16Buffers[i] = nullptr;

  1526.                 }

  1527.             }

  1528. 

  1529.             delete[] fAudio16Buffers;

  1530.             fAudio16Buffers = nullptr;

  1531.         }

  1532. 

  1533.         CarlaPlugin::clearBuffers();

  1534. 

  1535.         carla_debug("CarlaPluginFluidSynth::clearBuffers() - end");

  1536.     }

  1537. 

  1538.     // -------------------------------------------------------------------

  1539. 

  1540.     const void* getExtraStuff() const noexcept override

  1541.     {

  1542.         static const char xtrue[]  = "true";

  1543.         static const char xfalse[] = "false";

  1544.         return kUse16Outs ? xtrue : xfalse;

  1545.     }

  1546. 

  1547.     // -------------------------------------------------------------------

  1548. 

  1549.     bool init(const char* const filename, const char* const name, const char* const label)

  1550.     {

  1551.         CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr, false);

  1552. 

  1553.         // ---------------------------------------------------------------

  1554.         // first checks

  1555. 

  1556.         if (pData->client != nullptr)

  1557.         {

  1558.             pData->engine->setLastError("Plugin client is already registered");

  1559.             return false;

  1560.         }

  1561. 

  1562.         if (fSynth == nullptr)

  1563.         {

  1564.             pData->engine->setLastError("null synth");

  1565.             return false;

  1566.         }

  1567. 

  1568.         if (filename == nullptr || filename[0] == '\0')

  1569.         {

  1570.             pData->engine->setLastError("null filename");

  1571.             return false;

  1572.         }

  1573. 

  1574.         if (label == nullptr || label[0] == '\0')

  1575.         {

  1576.             pData->engine->setLastError("null label");

  1577.             return false;

  1578.         }

  1579. 

  1580.         // ---------------------------------------------------------------

  1581.         // open soundfont

  1582. 

  1583.         const int synthId(fluid_synth_sfload(fSynth, filename, 0));

  1584. 

  1585.         if (synthId < 0)

  1586.         {

  1587.             pData->engine->setLastError("Failed to load SoundFont file");

  1588.             return false;

  1589.         }

  1590. 

  1591.         fSynthId = static_cast<uint>(synthId);

  1592. 

  1593.         // ---------------------------------------------------------------

  1594.         // get info

  1595. 

  1596.         CarlaString label2(label);

  1597. 

  1598.         if (kUse16Outs && ! label2.endsWith(" (16 outs)"))

  1599.             label2 += " (16 outs)";

  1600. 

  1601.         fLabel          = label2.dup();

  1602.         pData->filename = carla_strdup(filename);

  1603. 

  1604.         if (name != nullptr && name[0] != '\0')

  1605.             pData->name = pData->engine->getUniquePluginName(name);

  1606.         else

  1607.             pData->name = pData->engine->getUniquePluginName(label);

  1608. 

  1609.         // ---------------------------------------------------------------

  1610.         // register client

  1611. 

  1612.         pData->client = pData->engine->addClient(this);

  1613. 

  1614.         if (pData->client == nullptr || ! pData->client->isOk())

  1615.         {

  1616.             pData->engine->setLastError("Failed to register plugin client");

  1617.             return false;

  1618.         }

  1619. 

  1620.         // ---------------------------------------------------------------

  1621.         // set default options

  1622. 

  1623.         pData->options  = 0x0;

  1624.         pData->options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  1625.         pData->options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  1626.         pData->options |= PLUGIN_OPTION_SEND_PITCHBEND;

  1627.         pData->options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  1628. 

  1629.         return true;

  1630.     }

  1631. 

  1632. private:

  1633.     enum FluidSynthParameters {

  1634.         FluidSynthReverbOnOff    = 0,

  1635.         FluidSynthReverbRoomSize = 1,

  1636.         FluidSynthReverbDamp     = 2,

  1637.         FluidSynthReverbLevel    = 3,

  1638.         FluidSynthReverbWidth    = 4,

  1639.         FluidSynthChorusOnOff    = 5,

  1640.         FluidSynthChorusNr       = 6,

  1641.         FluidSynthChorusLevel    = 7,

  1642.         FluidSynthChorusSpeedHz  = 8,

  1643.         FluidSynthChorusDepthMs  = 9,

  1644.         FluidSynthChorusType     = 10,

  1645.         FluidSynthPolyphony      = 11,

  1646.         FluidSynthInterpolation  = 12,

  1647.         FluidSynthVoiceCount     = 13,

  1648.         FluidSynthParametersMax  = 14

  1649.     };

  1650. 

  1651.     const bool kUse16Outs;

  1652. 

  1653.     fluid_settings_t* fSettings;

  1654.     fluid_synth_t*    fSynth;

  1655.     uint              fSynthId;

  1656. 

  1657.     float** fAudio16Buffers;

  1658.     float   fParamBuffers[FluidSynthParametersMax];

  1659. 

  1660.     int32_t fCurMidiProgs[MAX_MIDI_CHANNELS];

  1661. 

  1662.     const char* fLabel;

  1663. 

  1664.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaPluginFluidSynth)

  1665. };

  1666. 

  1667. CARLA_BACKEND_END_NAMESPACE

  1668. 

  1669. #endif // HAVE_FLUIDSYNTH

  1670. 

  1671. CARLA_BACKEND_START_NAMESPACE

  1672. 

  1673. // -------------------------------------------------------------------------------------------------------------------

  1674. 

  1675. CarlaPlugin* CarlaPlugin::newFluidSynth(const Initializer& init, const bool use16Outs)

  1676. {

  1677.     carla_debug("CarlaPlugin::newFluidSynth({%p, \"%s\", \"%s\", \"%s\", " P_INT64 "}, %s)", init.engine, init.filename, init.name, init.label, init.uniqueId, bool2str(use16Outs));

  1678. 

  1679. #ifdef HAVE_FLUIDSYNTH

  1680.     if (init.engine->getProccessMode() == ENGINE_PROCESS_MODE_CONTINUOUS_RACK && use16Outs)

  1681.     {

  1682.         init.engine->setLastError("Carla's rack mode can only work with Stereo modules, please choose the 2-channel only SoundFont version");

  1683.         return nullptr;

  1684.     }

  1685. 

  1686.     if (! fluid_is_soundfont(init.filename))

  1687.     {

  1688.         init.engine->setLastError("Requested file is not a valid SoundFont");

  1689.         return nullptr;

  1690.     }

  1691. 

  1692.     CarlaPluginFluidSynth* const plugin(new CarlaPluginFluidSynth(init.engine, init.id,  use16Outs));

  1693. 

  1694.     if (! plugin->init(init.filename, init.name, init.label))

  1695.     {

  1696.         delete plugin;

  1697.         return nullptr;

  1698.     }

  1699. 

  1700.     return plugin;

  1701. #else

  1702.     init.engine->setLastError("fluidsynth support not available");

  1703.     return nullptr;

  1704. 

  1705.     // unused

  1706.     (void)use16Outs;

  1707. #endif

  1708. }

  1709. 

  1710. CarlaPlugin* CarlaPlugin::newFileSF2(const Initializer& init, const bool use16Outs)

  1711. {

  1712.     carla_debug("CarlaPlugin::newFileSF2({%p, \"%s\", \"%s\", \"%s\"}, %s)", init.engine, init.filename, init.name, init.label, bool2str(use16Outs));

  1713. #ifdef HAVE_FLUIDSYNTH

  1714.     return newFluidSynth(init, use16Outs);

  1715. #else

  1716.     init.engine->setLastError("SF2 support not available");

  1717.     return nullptr;

  1718. 

  1719.     // unused

  1720.     (void)use16Outs;

  1721. #endif

  1722. }

  1723. 

  1724. // -------------------------------------------------------------------------------------------------------------------

  1725. 

  1726. CARLA_BACKEND_END_NAMESPACE