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Carla/source/backend/plugin/FluidSynthPlugin.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 WANT_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 FluidSynthPlugin : public CarlaPlugin

  43. {

  44. public:

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

  46.         : CarlaPlugin(engine, id),

  47.           fUses16Outs(use16Outs),

  48.           fSettings(nullptr),

  49.           fSynth(nullptr),

  50.           fSynthId(0),

  51.           fAudio16Buffers(nullptr),

  52.           fLabel(nullptr)

  53.     {

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

  55. 

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

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

  58. 

  59.         // create settings

  60.         fSettings = new_fluid_settings();

  61.         CARLA_SAFE_ASSERT_RETURN(fSettings != nullptr,);

  62. 

  63.         // define settings

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

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

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

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

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

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

  70. 

  71.         // create synth

  72.         fSynth = new_fluid_synth(fSettings);

  73.         CARLA_SAFE_ASSERT_RETURN(fSynth != nullptr,);

  74. 

  75. #ifdef FLUIDSYNTH_VERSION_NEW_API

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

  77. #endif

  78. 

  79.         // set default values

  80.         fluid_synth_set_reverb_on(fSynth, 1);

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

  82. 

  83.         fluid_synth_set_chorus_on(fSynth, 1);

  84.         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);

  85. 

  86.         fluid_synth_set_polyphony(fSynth, FLUID_DEFAULT_POLYPHONY);

  87.         fluid_synth_set_gain(fSynth, 1.0f);

  88. 

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

  90.             fluid_synth_set_interp_method(fSynth, i, FLUID_INTERP_DEFAULT);

  91.     }

  92. 

  93.     ~FluidSynthPlugin() override

  94.     {

  95.         carla_debug("FluidSynthPlugin::~FluidSynthPlugin()");

  96. 

  97.         pData->singleMutex.lock();

  98.         pData->masterMutex.lock();

  99. 

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

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

  102. 

  103.         if (pData->active)

  104.         {

  105.             deactivate();

  106.             pData->active = false;

  107.         }

  108. 

  109.         if (fSynth != nullptr)

  110.         {

  111.             delete_fluid_synth(fSynth);

  112.             fSynth = nullptr;

  113.         }

  114. 

  115.         if (fSettings != nullptr)

  116.         {

  117.             delete_fluid_settings(fSettings);

  118.             fSettings = nullptr;

  119.         }

  120. 

  121.         if (fLabel != nullptr)

  122.         {

  123.             delete[] fLabel;

  124.             fLabel = nullptr;

  125.         }

  126. 

  127.         clearBuffers();

  128.     }

  129. 

  130.     // -------------------------------------------------------------------

  131.     // Information (base)

  132. 

  133.     PluginType getType() const noexcept override

  134.     {

  135.         return PLUGIN_SF2;

  136.     }

  137. 

  138.     PluginCategory getCategory() const noexcept override

  139.     {

  140.         return PLUGIN_CATEGORY_SYNTH;

  141.     }

  142. 

  143.     // -------------------------------------------------------------------

  144.     // Information (count)

  145. 

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

  147.     {

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

  149. 

  150.         switch (parameterId)

  151.         {

  152.         case FluidSynthChorusType:

  153.             return 2;

  154.         case FluidSynthInterpolation:

  155.             return 4;

  156.         default:

  157.             return 0;

  158.         }

  159.     }

  160. 

  161.     // -------------------------------------------------------------------

  162.     // Information (current data)

  163. 

  164.     // nothing

  165. 

  166.     // -------------------------------------------------------------------

  167.     // Information (per-plugin data)

  168. 

  169.     uint getOptionsAvailable() const noexcept override

  170.     {

  171.         uint options = 0x0;

  172. 

  173.         options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  174.         options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  175.         options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  176.         options |= PLUGIN_OPTION_SEND_PITCHBEND;

  177.         options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  178. 

  179.         return options;

  180.     }

  181. 

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

  183.     {

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

  185. 

  186.         return fParamBuffers[parameterId];

  187.     }

  188. 

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

  190.     {

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

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

  193. 

  194.         switch (parameterId)

  195.         {

  196.         case FluidSynthChorusType:

  197.             switch (scalePointId)

  198.             {

  199.             case 0:

  200.                 return FLUID_CHORUS_MOD_SINE;

  201.             case 1:

  202.                 return FLUID_CHORUS_MOD_TRIANGLE;

  203.             default:

  204.                 return FLUID_CHORUS_DEFAULT_TYPE;

  205.             }

  206.         case FluidSynthInterpolation:

  207.             switch (scalePointId)

  208.             {

  209.             case 0:

  210.                 return FLUID_INTERP_NONE;

  211.             case 1:

  212.                 return FLUID_INTERP_LINEAR;

  213.             case 2:

  214.                 return FLUID_INTERP_4THORDER;

  215.             case 3:

  216.                 return FLUID_INTERP_7THORDER;

  217.             default:

  218.                 return FLUID_INTERP_DEFAULT;

  219.             }

  220.         default:

  221.             return 0.0f;

  222.         }

  223.     }

  224. 

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

  226.     {

  227.         if (fLabel != nullptr)

  228.         {

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

  230.             return;

  231.         }

  232. 

  233.         CarlaPlugin::getLabel(strBuf);

  234.     }

  235. 

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

  237.     {

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

  239.     }

  240. 

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

  242.     {

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

  244.     }

  245. 

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

  247.     {

  248.         getLabel(strBuf);

  249.     }

  250. 

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

  252.     {

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

  254. 

  255.         switch (parameterId)

  256.         {

  257.         case FluidSynthReverbOnOff:

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

  259.             return;

  260.         case FluidSynthReverbRoomSize:

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

  262.             return;

  263.         case FluidSynthReverbDamp:

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

  265.             return;

  266.         case FluidSynthReverbLevel:

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

  268.             return;

  269.         case FluidSynthReverbWidth:

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

  271.             return;

  272.         case FluidSynthChorusOnOff:

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

  274.             return;

  275.         case FluidSynthChorusNr:

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

  277.             return;

  278.         case FluidSynthChorusLevel:

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

  280.             return;

  281.         case FluidSynthChorusSpeedHz:

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

  283.             return;

  284.         case FluidSynthChorusDepthMs:

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

  286.             return;

  287.         case FluidSynthChorusType:

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

  289.             return;

  290.         case FluidSynthPolyphony:

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

  292.             return;

  293.         case FluidSynthInterpolation:

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

  295.             return;

  296.         case FluidSynthVoiceCount:

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

  298.             return;

  299.         }

  300. 

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

  302.     }

  303. 

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

  305.     {

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

  307. 

  308.         switch (parameterId)

  309.         {

  310.         case FluidSynthChorusSpeedHz:

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

  312.             return;

  313.         case FluidSynthChorusDepthMs:

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

  315.             return;

  316.         }

  317. 

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

  319.     }

  320. 

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

  322.     {

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

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

  325. 

  326.         switch (parameterId)

  327.         {

  328.         case FluidSynthChorusType:

  329.             switch (scalePointId)

  330.             {

  331.             case 0:

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

  333.                 return;

  334.             case 1:

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

  336.                 return;

  337.             }

  338.         case FluidSynthInterpolation:

  339.             switch (scalePointId)

  340.             {

  341.             case 0:

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

  343.                 return;

  344.             case 1:

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

  346.                 return;

  347.             case 2:

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

  349.                 return;

  350.             case 3:

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

  352.                 return;

  353.             }

  354.         }

  355. 

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

  357.     }

  358. 

  359.     // -------------------------------------------------------------------

  360.     // Set data (state)

  361. 

  362.     void prepareForSave() override

  363.     {

  364.         char strBuf[STR_MAX+1];

  365.         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],

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

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

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

  369. 

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

  371.     }

  372. 

  373.     // -------------------------------------------------------------------

  374.     // Set data (internal stuff)

  375. 

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

  377.     {

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

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

  380. 

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

  382.     }

  383. 

  384.     // -------------------------------------------------------------------

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

  386. 

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

  388.     {

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

  390. 

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

  392.         fParamBuffers[parameterId] = fixedValue;

  393. 

  394.         {

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

  396. 

  397.             switch (parameterId)

  398.             {

  399.             case FluidSynthReverbOnOff:

  400.                 try {

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

  402.                 } catch(...) {}

  403.                 break;

  404. 

  405.             case FluidSynthReverbRoomSize:

  406.             case FluidSynthReverbDamp:

  407.             case FluidSynthReverbLevel:

  408.             case FluidSynthReverbWidth:

  409.                 try {

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

  411.                 } catch(...) {}

  412.                 break;

  413. 

  414.             case FluidSynthChorusOnOff:

  415.                 try {

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

  417.                 } catch(...) {}

  418.                 break;

  419. 

  420.             case FluidSynthChorusNr:

  421.             case FluidSynthChorusLevel:

  422.             case FluidSynthChorusSpeedHz:

  423.             case FluidSynthChorusDepthMs:

  424.             case FluidSynthChorusType:

  425.                 try {

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

  427.                 } catch(...) {}

  428.                 break;

  429. 

  430.             case FluidSynthPolyphony:

  431.                 try {

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

  433.                 } catch(...) {}

  434.                 break;

  435. 

  436.             case FluidSynthInterpolation:

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

  438.                 {

  439.                     try {

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

  441.                     }

  442.                     catch(...) {

  443.                         break;

  444.                     }

  445.                 }

  446.                 break;

  447. 

  448.             default:

  449.                 break;

  450.             }

  451.         }

  452. 

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

  454.     }

  455. 

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

  457.     {

  458.         CARLA_SAFE_ASSERT_RETURN(fSynth != nullptr,);

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

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

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

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

  463. 

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

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

  466. 

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

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

  469. 

  470.         if (fUses16Outs)

  471.         {

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

  473. 

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

  475.             {

  476.                 uint8_t channel = 0;

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

  478.                 {

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

  480. 

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

  482.                     {

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

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

  485. 

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

  487.                         fCurMidiProgs[channel] = index;

  488. 

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

  490.                         {

  491.                             pData->midiprog.current = index;

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

  493.                         }

  494.                     }

  495. 

  496.                     ++channel;

  497.                 }

  498.                 CARLA_SAFE_ASSERT(channel == MAX_MIDI_CHANNELS);

  499.             }

  500.         }

  501. 

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

  503.     }

  504. 

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

  506.     {

  507.         CARLA_SAFE_ASSERT_RETURN(fSynth != nullptr,);

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

  509. 

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

  511.         {

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

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

  514. 

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

  516. 

  517.             try {

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

  519.             } catch(...) {}

  520. 

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

  522.         }

  523. 

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

  525.     }

  526. 

  527.     // -------------------------------------------------------------------

  528.     // Set ui stuff

  529. 

  530.     // nothing

  531. 

  532.     // -------------------------------------------------------------------

  533.     // Plugin state

  534. 

  535.     void reload() override

  536.     {

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

  538.         CARLA_SAFE_ASSERT_RETURN(fSynth != nullptr,);

  539.         carla_debug("FluidSynthPlugin::reload() - start");

  540. 

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

  542. 

  543.         // Safely disable plugin for reload

  544.         const ScopedDisabler sd(this);

  545. 

  546.         if (pData->active)

  547.             deactivate();

  548. 

  549.         clearBuffers();

  550. 

  551.         uint32_t aOuts, params;

  552.         aOuts  = fUses16Outs ? 32 : 2;

  553.         params = FluidSynthParametersMax;

  554. 

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

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

  557. 

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

  559.         CarlaString portName;

  560. 

  561.         // ---------------------------------------

  562.         // Audio Outputs

  563. 

  564.         if (fUses16Outs)

  565.         {

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

  567.             {

  568.                 portName.clear();

  569. 

  570.                 if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  571.                 {

  572.                     portName  = pData->name;

  573.                     portName += ":";

  574.                 }

  575. 

  576.                 portName += "out-";

  577. 

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

  579.                     portName += "0";

  580. 

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

  582. 

  583.                 if (i % 2 == 0)

  584.                     portName += "L";

  585.                 else

  586.                     portName += "R";

  587. 

  588.                 portName.truncate(portNameSize);

  589. 

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

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

  592.             }

  593. 

  594.             fAudio16Buffers = new float*[aOuts];

  595. 

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

  597.                 fAudio16Buffers[i] = nullptr;

  598.         }

  599.         else

  600.         {

  601.             // out-left

  602.             portName.clear();

  603. 

  604.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  605.             {

  606.                 portName  = pData->name;

  607.                 portName += ":";

  608.             }

  609. 

  610.             portName += "out-left";

  611.             portName.truncate(portNameSize);

  612. 

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

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

  615. 

  616.             // out-right

  617.             portName.clear();

  618. 

  619.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  620.             {

  621.                 portName  = pData->name;

  622.                 portName += ":";

  623.             }

  624. 

  625.             portName += "out-right";

  626.             portName.truncate(portNameSize);

  627. 

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

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

  630.         }

  631. 

  632.         // ---------------------------------------

  633.         // Event Input

  634. 

  635.         {

  636.             portName.clear();

  637. 

  638.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  639.             {

  640.                 portName  = pData->name;

  641.                 portName += ":";

  642.             }

  643. 

  644.             portName += "events-in";

  645.             portName.truncate(portNameSize);

  646. 

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

  648.         }

  649. 

  650.         // ---------------------------------------

  651.         // Event Output

  652. 

  653.         {

  654.             portName.clear();

  655. 

  656.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  657.             {

  658.                 portName  = pData->name;

  659.                 portName += ":";

  660.             }

  661. 

  662.             portName += "events-out";

  663.             portName.truncate(portNameSize);

  664. 

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

  666.         }

  667. 

  668.         // ---------------------------------------

  669.         // Parameters

  670. 

  671.         {

  672.             int j;

  673. 

  674.             // ----------------------

  675.             j = FluidSynthReverbOnOff;

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

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

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

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

  680.             pData->param.data[j].midiCC = -1;

  681.             pData->param.data[j].midiChannel = 0;

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

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

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

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

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

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

  688. 

  689.             // ----------------------

  690.             j = FluidSynthReverbRoomSize;

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

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

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

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

  695.             pData->param.data[j].midiCC = -1;

  696.             pData->param.data[j].midiChannel = 0;

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

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

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

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

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

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

  703. 

  704.             // ----------------------

  705.             j = FluidSynthReverbDamp;

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

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

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

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

  710.             pData->param.data[j].midiCC = -1;

  711.             pData->param.data[j].midiChannel = 0;

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

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

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

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

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

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

  718. 

  719.             // ----------------------

  720.             j = FluidSynthReverbLevel;

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

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

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

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

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

  726.             pData->param.data[j].midiChannel = 0;

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

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

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

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

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

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

  733. 

  734.             // ----------------------

  735.             j = FluidSynthReverbWidth;

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

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

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

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

  740.             pData->param.data[j].midiCC = -1;

  741.             pData->param.data[j].midiChannel = 0;

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

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

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

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

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

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

  748. 

  749.             // ----------------------

  750.             j = FluidSynthChorusOnOff;

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

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

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

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

  755.             pData->param.data[j].midiCC = -1;

  756.             pData->param.data[j].midiChannel = 0;

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

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

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

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

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

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

  763. 

  764.             // ----------------------

  765.             j = FluidSynthChorusNr;

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

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

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

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

  770.             pData->param.data[j].midiCC = -1;

  771.             pData->param.data[j].midiChannel = 0;

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

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

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

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

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

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

  778. 

  779.             // ----------------------

  780.             j = FluidSynthChorusLevel;

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

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

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

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

  785.             pData->param.data[j].midiCC = 0; //MIDI_CONTROL_CHORUS_SEND_LEVEL;

  786.             pData->param.data[j].midiChannel = 0;

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

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

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

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

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

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

  793. 

  794.             // ----------------------

  795.             j = FluidSynthChorusSpeedHz;

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

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

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

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

  800.             pData->param.data[j].midiCC = -1;

  801.             pData->param.data[j].midiChannel = 0;

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

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

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

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

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

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

  808. 

  809.             // ----------------------

  810.             j = FluidSynthChorusDepthMs;

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

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

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

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

  815.             pData->param.data[j].midiCC = -1;

  816.             pData->param.data[j].midiChannel = 0;

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

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

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

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

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

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

  823. 

  824.             // ----------------------

  825.             j = FluidSynthChorusType;

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

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

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

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

  830.             pData->param.data[j].midiCC = -1;

  831.             pData->param.data[j].midiChannel = 0;

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

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

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

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

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

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

  838. 

  839.             // ----------------------

  840.             j = FluidSynthPolyphony;

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

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

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

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

  845.             pData->param.data[j].midiCC = -1;

  846.             pData->param.data[j].midiChannel = 0;

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

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

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

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

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

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

  853. 

  854.             // ----------------------

  855.             j = FluidSynthInterpolation;

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

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

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

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

  860.             pData->param.data[j].midiCC = -1;

  861.             pData->param.data[j].midiChannel = 0;

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

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

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

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

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

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

  868. 

  869.             // ----------------------

  870.             j = FluidSynthVoiceCount;

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

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

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

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

  875.             pData->param.data[j].midiCC = -1;

  876.             pData->param.data[j].midiChannel = 0;

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

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

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

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

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

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

  883. 

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

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

  886.         }

  887. 

  888.         // ---------------------------------------

  889. 

  890.         // plugin hints

  891.         pData->hints  = 0x0;

  892.         pData->hints |= PLUGIN_IS_SYNTH;

  893.         pData->hints |= PLUGIN_CAN_VOLUME;

  894. 

  895.         if (! fUses16Outs)

  896.             pData->hints |= PLUGIN_CAN_BALANCE;

  897. 

  898.         // extra plugin hints

  899.         pData->extraHints  = 0x0;

  900.         pData->extraHints |= PLUGIN_EXTRA_HINT_HAS_MIDI_IN;

  901. 

  902.         if (fUses16Outs)

  903.             pData->extraHints |= PLUGIN_EXTRA_HINT_USES_MULTI_PROGS;

  904.         else

  905.             pData->extraHints |= PLUGIN_EXTRA_HINT_CAN_RUN_RACK;

  906. 

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

  908.         reloadPrograms(true);

  909. 

  910.         if (pData->active)

  911.             activate();

  912. 

  913.         carla_debug("FluidSynthPlugin::reload() - end");

  914.     }

  915. 

  916.     void reloadPrograms(const bool doInit) override

  917.     {

  918.         carla_debug("FluidSynthPlugin::reloadPrograms(%s)", bool2str(doInit));

  919. 

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

  921.         bool hasDrums = false;

  922.         uint32_t drumIndex, drumProg;

  923.         drumIndex = drumProg = 0;

  924. 

  925.         // Delete old programs

  926.         pData->midiprog.clear();

  927. 

  928.         // Query new programs

  929.         uint32_t count = 0;

  930. 

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

  932.         {

  933.             fluid_preset_t f_preset;

  934. 

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

  936.             f_sfont->iteration_start(f_sfont);

  937.             while (f_sfont->iteration_next(f_sfont, &f_preset))

  938.                 ++count;

  939. 

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

  941.             CARLA_SAFE_ASSERT_RETURN(count > 0,);

  942. 

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

  944. 

  945.             // Update data

  946.             int tmp;

  947.             uint32_t i = 0;

  948.             f_sfont->iteration_start(f_sfont);

  949. 

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

  951.             {

  952.                 CARLA_SAFE_ASSERT_BREAK(i < count);

  953. 

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

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

  956. 

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

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

  959. 

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

  961. 

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

  963.                 {

  964.                     hasDrums  = true;

  965.                     drumIndex = i;

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

  967.                 }

  968. 

  969.                 ++i;

  970.             }

  971.         }

  972.         else

  973.         {

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

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

  976.             return;

  977.         }

  978. 

  979. #ifndef BUILD_BRIDGE

  980.         // Update OSC Names

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

  982.         {

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

  984. 

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

  986.                 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);

  987.         }

  988. #endif

  989. 

  990.         if (doInit)

  991.         {

  992.             fluid_synth_program_reset(fSynth);

  993. 

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

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

  996.             {

  997. #ifdef FLUIDSYNTH_VERSION_NEW_API

  998.                 fluid_synth_set_channel_type(fSynth, i, CHANNEL_TYPE_MELODIC);

  999. #endif

  1000.                 fluid_synth_program_select(fSynth, i, fSynthId, pData->midiprog.data[0].bank, pData->midiprog.data[0].program);

  1001. 

  1002.                 fCurMidiProgs[i] = 0;

  1003.             }

  1004. 

  1005.             if (hasDrums)

  1006.             {

  1007. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1008.                 fluid_synth_set_channel_type(fSynth, 9, CHANNEL_TYPE_DRUM);

  1009. #endif

  1010.                 fluid_synth_program_select(fSynth, 9, fSynthId, 128, drumProg);

  1011. 

  1012.                 fCurMidiProgs[9] = static_cast<int32_t>(drumIndex);

  1013.             }

  1014.             else

  1015.             {

  1016. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1017.                 fluid_synth_set_channel_type(fSynth, 9, CHANNEL_TYPE_MELODIC);

  1018. #endif

  1019.                 fluid_synth_program_select(fSynth, 9, fSynthId, pData->midiprog.data[0].bank, pData->midiprog.data[0].program);

  1020. 

  1021.                 fCurMidiProgs[9] = 0;

  1022.             }

  1023. 

  1024.             pData->midiprog.current = 0;

  1025.         }

  1026.         else

  1027.         {

  1028.             pData->engine->callback(ENGINE_CALLBACK_RELOAD_PROGRAMS, pData->id, 0, 0, 0.0f, nullptr);

  1029.         }

  1030.     }

  1031. 

  1032.     // -------------------------------------------------------------------

  1033.     // Plugin processing

  1034. 

  1035.     void process(float** const, float** const outBuffer, const uint32_t frames) override

  1036.     {

  1037.         // --------------------------------------------------------------------------------------------------------

  1038.         // Check if active

  1039. 

  1040.         if (! pData->active)

  1041.         {

  1042.             // disable any output sound

  1043.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1044.                 FloatVectorOperations::clear(outBuffer[i], static_cast<int>(frames));

  1045.             return;

  1046.         }

  1047. 

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

  1049.         // Check if needs reset

  1050. 

  1051.         if (pData->needsReset)

  1052.         {

  1053.             if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1054.             {

  1055.                 for (int i=0; i < MAX_MIDI_CHANNELS; ++i)

  1056.                 {

  1057. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1058.                     fluid_synth_all_notes_off(fSynth, i);

  1059.                     fluid_synth_all_sounds_off(fSynth, i);

  1060. #else

  1061.                     fluid_synth_cc(fSynth, i, MIDI_CONTROL_ALL_SOUND_OFF, 0);

  1062.                     fluid_synth_cc(fSynth, i, MIDI_CONTROL_ALL_NOTES_OFF, 0);

  1063. #endif

  1064.                 }

  1065.             }

  1066.             else if (pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1067.             {

  1068.                 for (int i=0; i < MAX_MIDI_NOTE; ++i)

  1069.                     fluid_synth_noteoff(fSynth, pData->ctrlChannel, i);

  1070.             }

  1071. 

  1072.             pData->needsReset = false;

  1073.         }

  1074. 

  1075.         // --------------------------------------------------------------------------------------------------------

  1076.         // Event Input and Processing

  1077. 

  1078.         {

  1079.             // ----------------------------------------------------------------------------------------------------

  1080.             // MIDI Input (External)

  1081. 

  1082.             if (pData->extNotes.mutex.tryLock())

  1083.             {

  1084.                 for (RtLinkedList<ExternalMidiNote>::Itenerator it = pData->extNotes.data.begin(); it.valid(); it.next())

  1085.                 {

  1086.                     const ExternalMidiNote& note(it.getValue());

  1087. 

  1088.                     CARLA_SAFE_ASSERT_CONTINUE(note.channel >= 0 && note.channel < MAX_MIDI_CHANNELS);

  1089. 

  1090.                     if (note.velo > 0)

  1091.                         fluid_synth_noteon(fSynth, note.channel, note.note, note.velo);

  1092.                     else

  1093.                         fluid_synth_noteoff(fSynth,note.channel, note.note);

  1094.                 }

  1095. 

  1096.                 pData->extNotes.data.clear();

  1097.                 pData->extNotes.mutex.unlock();

  1098. 

  1099.             } // End of MIDI Input (External)

  1100. 

  1101.             // ----------------------------------------------------------------------------------------------------

  1102.             // Event Input (System)

  1103. 

  1104.             bool allNotesOffSent = false;

  1105. 

  1106.             uint32_t time, nEvents = pData->event.portIn->getEventCount();

  1107.             uint32_t timeOffset = 0;

  1108. 

  1109.             uint32_t nextBankIds[MAX_MIDI_CHANNELS] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 0, 0, 0, 0, 0, 0 };

  1110. 

  1111.             if (pData->midiprog.current >= 0 && pData->midiprog.count > 0 && pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1112.                 nextBankIds[pData->ctrlChannel] = pData->midiprog.data[pData->midiprog.current].bank;

  1113. 

  1114.             for (uint32_t i=0; i < nEvents; ++i)

  1115.             {

  1116.                 const EngineEvent& event(pData->event.portIn->getEvent(i));

  1117. 

  1118.                 time = event.time;

  1119. 

  1120.                 CARLA_SAFE_ASSERT_CONTINUE(time < frames);

  1121.                 CARLA_SAFE_ASSERT_BREAK(time >= timeOffset);

  1122. 

  1123.                 if (time > timeOffset)

  1124.                 {

  1125.                     if (processSingle(outBuffer, time - timeOffset, timeOffset))

  1126.                     {

  1127.                         timeOffset = time;

  1128. 

  1129.                         if (pData->midiprog.current >= 0 && pData->midiprog.count > 0 && pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1130.                             nextBankIds[pData->ctrlChannel] = pData->midiprog.data[pData->midiprog.current].bank;

  1131.                     }

  1132.                 }

  1133. 

  1134.                 // Control change

  1135.                 switch (event.type)

  1136.                 {

  1137.                 case kEngineEventTypeNull:

  1138.                     break;

  1139. 

  1140.                 case kEngineEventTypeControl:

  1141.                 {

  1142.                     const EngineControlEvent& ctrlEvent = event.ctrl;

  1143. 

  1144.                     switch (ctrlEvent.type)

  1145.                     {

  1146.                     case kEngineControlEventTypeNull:

  1147.                         break;

  1148. 

  1149.                     case kEngineControlEventTypeParameter:

  1150.                     {

  1151. #ifndef BUILD_BRIDGE

  1152.                         // Control backend stuff

  1153.                         if (event.channel == pData->ctrlChannel)

  1154.                         {

  1155.                             float value;

  1156. 

  1157.                             if (MIDI_IS_CONTROL_BREATH_CONTROLLER(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_DRYWET) != 0)

  1158.                             {

  1159.                                 value = ctrlEvent.value;

  1160.                                 setDryWet(value, false, false);

  1161.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_DRYWET, 0, value);

  1162.                             }

  1163. 

  1164.                             if (MIDI_IS_CONTROL_CHANNEL_VOLUME(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_VOLUME) != 0)

  1165.                             {

  1166.                                 value = ctrlEvent.value*127.0f/100.0f;

  1167.                                 setVolume(value, false, false);

  1168.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_VOLUME, 0, value);

  1169.                             }

  1170. 

  1171.                             if (MIDI_IS_CONTROL_BALANCE(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_BALANCE) != 0)

  1172.                             {

  1173.                                 float left, right;

  1174.                                 value = ctrlEvent.value/0.5f - 1.0f;

  1175. 

  1176.                                 if (value < 0.0f)

  1177.                                 {

  1178.                                     left  = -1.0f;

  1179.                                     right = (value*2.0f)+1.0f;

  1180.                                 }

  1181.                                 else if (value > 0.0f)

  1182.                                 {

  1183.                                     left  = (value*2.0f)-1.0f;

  1184.                                     right = 1.0f;

  1185.                                 }

  1186.                                 else

  1187.                                 {

  1188.                                     left  = -1.0f;

  1189.                                     right = 1.0f;

  1190.                                 }

  1191. 

  1192.                                 setBalanceLeft(left, false, false);

  1193.                                 setBalanceRight(right, false, false);

  1194.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_LEFT, 0, left);

  1195.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_RIGHT, 0, right);

  1196.                             }

  1197.                         }

  1198. #endif

  1199. 

  1200.                         // Control plugin parameters

  1201.                         for (uint32_t k=0; k < pData->param.count; ++k)

  1202.                         {

  1203.                             if (pData->param.data[k].midiChannel != event.channel)

  1204.                                 continue;

  1205.                             if (pData->param.data[k].midiCC != ctrlEvent.param)

  1206.                                 continue;

  1207.                             if (pData->param.data[k].hints != PARAMETER_INPUT)

  1208.                                 continue;

  1209.                             if ((pData->param.data[k].hints & PARAMETER_IS_AUTOMABLE) == 0)

  1210.                                 continue;

  1211. 

  1212.                             float value;

  1213. 

  1214.                             if (pData->param.data[k].hints & PARAMETER_IS_BOOLEAN)

  1215.                             {

  1216.                                 value = (ctrlEvent.value < 0.5f) ? pData->param.ranges[k].min : pData->param.ranges[k].max;

  1217.                             }

  1218.                             else

  1219.                             {

  1220.                                 value = pData->param.ranges[k].getUnnormalizedValue(ctrlEvent.value);

  1221. 

  1222.                                 if (pData->param.data[k].hints & PARAMETER_IS_INTEGER)

  1223.                                     value = std::rint(value);

  1224.                             }

  1225. 

  1226.                             setParameterValue(k, value, false, false, false);

  1227.                             pData->postponeRtEvent(kPluginPostRtEventParameterChange, static_cast<int32_t>(k), 0, value);

  1228.                         }

  1229. 

  1230.                         if ((pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0 && ctrlEvent.param <= 0x5F)

  1231.                         {

  1232.                             fluid_synth_cc(fSynth, event.channel, ctrlEvent.param, int(ctrlEvent.value*127.0f));

  1233.                         }

  1234. 

  1235.                         break;

  1236.                     }

  1237. 

  1238.                     case kEngineControlEventTypeMidiBank:

  1239.                         if (event.channel < MAX_MIDI_CHANNELS && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1240.                             nextBankIds[event.channel] = ctrlEvent.param;

  1241.                         break;

  1242. 

  1243.                     case kEngineControlEventTypeMidiProgram:

  1244.                         if (event.channel < MAX_MIDI_CHANNELS && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1245.                         {

  1246.                             const uint32_t bankId(nextBankIds[event.channel]);

  1247.                             const uint32_t progId(ctrlEvent.param);

  1248. 

  1249.                             for (uint32_t k=0; k < pData->midiprog.count; ++k)

  1250.                             {

  1251.                                 if (pData->midiprog.data[k].bank == bankId && pData->midiprog.data[k].program == progId)

  1252.                                 {

  1253.                                     fluid_synth_program_select(fSynth, event.channel, fSynthId, bankId, progId);

  1254.                                     fCurMidiProgs[event.channel] = static_cast<int32_t>(k);

  1255. 

  1256.                                     if (event.channel == pData->ctrlChannel)

  1257.                                         pData->postponeRtEvent(kPluginPostRtEventMidiProgramChange, static_cast<int32_t>(k), 0, 0.0f);

  1258. 

  1259.                                     break;

  1260.                                 }

  1261.                             }

  1262.                         }

  1263.                         break;

  1264. 

  1265.                     case kEngineControlEventTypeAllSoundOff:

  1266.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1267.                         {

  1268. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1269.                             fluid_synth_all_sounds_off(fSynth, event.channel);

  1270. #else

  1271.                             fluid_synth_cc(fSynth, event.channel, MIDI_CONTROL_ALL_SOUND_OFF, 0);

  1272. #endif

  1273.                         }

  1274.                         break;

  1275. 

  1276.                     case kEngineControlEventTypeAllNotesOff:

  1277.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1278.                         {

  1279.                             if (event.channel == pData->ctrlChannel && ! allNotesOffSent)

  1280.                             {

  1281.                                 allNotesOffSent = true;

  1282.                                 sendMidiAllNotesOffToCallback();

  1283.                             }

  1284. 

  1285. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1286.                             fluid_synth_all_notes_off(fSynth, event.channel);

  1287. #else

  1288.                             fluid_synth_cc(fSynth, event.channel, MIDI_CONTROL_ALL_NOTES_OFF, 0);

  1289. #endif

  1290.                         }

  1291.                         break;

  1292.                     }

  1293. 

  1294.                     break;

  1295.                 }

  1296. 

  1297.                 case kEngineEventTypeMidi:

  1298.                 {

  1299.                     const EngineMidiEvent& midiEvent(event.midi);

  1300. 

  1301.                     uint8_t status  = uint8_t(MIDI_GET_STATUS_FROM_DATA(midiEvent.data));

  1302.                     uint8_t channel = event.channel;

  1303. 

  1304.                     // Fix bad note-off

  1305.                     if (MIDI_IS_STATUS_NOTE_ON(status) && midiEvent.data[2] == 0)

  1306.                         status = MIDI_STATUS_NOTE_OFF;

  1307. 

  1308.                     if (MIDI_IS_STATUS_NOTE_OFF(status))

  1309.                     {

  1310.                         const uint8_t note = midiEvent.data[1];

  1311. 

  1312.                         fluid_synth_noteoff(fSynth, channel, note);

  1313. 

  1314.                         pData->postponeRtEvent(kPluginPostRtEventNoteOff, channel, note, 0.0f);

  1315.                     }

  1316.                     else if (MIDI_IS_STATUS_NOTE_ON(status))

  1317.                     {

  1318.                         const uint8_t note = midiEvent.data[1];

  1319.                         const uint8_t velo = midiEvent.data[2];

  1320. 

  1321.                         fluid_synth_noteon(fSynth, channel, note, velo);

  1322. 

  1323.                         pData->postponeRtEvent(kPluginPostRtEventNoteOn, channel, note, velo);

  1324.                     }

  1325.                     else if (MIDI_IS_STATUS_POLYPHONIC_AFTERTOUCH(status) && (pData->options & PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH) != 0)

  1326.                     {

  1327.                         //const uint8_t note     = midiEvent.data[1];

  1328.                         //const uint8_t pressure = midiEvent.data[2];

  1329. 

  1330.                         // TODO, not in fluidsynth API

  1331.                     }

  1332.                     else if (MIDI_IS_STATUS_CONTROL_CHANGE(status) && (pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0)

  1333.                     {

  1334.                         const uint8_t control = midiEvent.data[1];

  1335.                         const uint8_t value   = midiEvent.data[2];

  1336. 

  1337.                         fluid_synth_cc(fSynth, channel, control, value);

  1338.                     }

  1339.                     else if (MIDI_IS_STATUS_CHANNEL_PRESSURE(status) && (pData->options & PLUGIN_OPTION_SEND_CHANNEL_PRESSURE) != 0)

  1340.                     {

  1341.                         const uint8_t pressure = midiEvent.data[1];

  1342. 

  1343.                         fluid_synth_channel_pressure(fSynth, channel, pressure);;

  1344.                     }

  1345.                     else if (MIDI_IS_STATUS_PITCH_WHEEL_CONTROL(status) && (pData->options & PLUGIN_OPTION_SEND_PITCHBEND) != 0)

  1346.                     {

  1347.                         const uint8_t lsb = midiEvent.data[1];

  1348.                         const uint8_t msb = midiEvent.data[2];

  1349.                         const int   value = ((msb << 7) | lsb);

  1350. 

  1351.                         fluid_synth_pitch_bend(fSynth, channel, value);

  1352.                     }

  1353. 

  1354.                     break;

  1355.                 }

  1356.                 }

  1357.             }

  1358. 

  1359.             pData->postRtEvents.trySplice();

  1360. 

  1361.             if (frames > timeOffset)

  1362.                 processSingle(outBuffer, frames - timeOffset, timeOffset);

  1363. 

  1364.         } // End of Event Input and Processing

  1365. 

  1366.         // --------------------------------------------------------------------------------------------------------

  1367.         // Control Output

  1368. 

  1369.         {

  1370.             uint32_t k = FluidSynthVoiceCount;

  1371.             fParamBuffers[k] = float(fluid_synth_get_active_voice_count(fSynth));

  1372.             pData->param.ranges[k].fixValue(fParamBuffers[k]);

  1373. 

  1374.             if (pData->param.data[k].midiCC > 0)

  1375.             {

  1376.                 float value(pData->param.ranges[k].getNormalizedValue(fParamBuffers[k]));

  1377.                 pData->event.portOut->writeControlEvent(0, pData->param.data[k].midiChannel, kEngineControlEventTypeParameter, static_cast<uint16_t>(pData->param.data[k].midiCC), value);

  1378.             }

  1379. 

  1380.         } // End of Control Output

  1381.     }

  1382. 

  1383.     bool processSingle(float** const outBuffer, const uint32_t frames, const uint32_t timeOffset)

  1384.     {

  1385.         CARLA_SAFE_ASSERT_RETURN(outBuffer != nullptr, false);

  1386.         CARLA_SAFE_ASSERT_RETURN(frames > 0, false);

  1387. 

  1388.         // --------------------------------------------------------------------------------------------------------

  1389.         // Try lock, silence otherwise

  1390. 

  1391.         if (pData->engine->isOffline())

  1392.         {

  1393.             pData->singleMutex.lock();

  1394.         }

  1395.         else if (! pData->singleMutex.tryLock())

  1396.         {

  1397.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1398.             {

  1399.                 for (uint32_t k=0; k < frames; ++k)

  1400.                     outBuffer[i][k+timeOffset] = 0.0f;

  1401.             }

  1402. 

  1403.             return false;

  1404.         }

  1405. 

  1406.         // --------------------------------------------------------------------------------------------------------

  1407.         // Fill plugin buffers and Run plugin

  1408. 

  1409.         if (fUses16Outs)

  1410.         {

  1411.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1412.                 FloatVectorOperations::clear(fAudio16Buffers[i], static_cast<int>(frames));

  1413. 

  1414.             // FIXME use '32' or '16' instead of outs

  1415.             fluid_synth_process(fSynth, static_cast<int>(frames), 0, nullptr, static_cast<int>(pData->audioOut.count), fAudio16Buffers);

  1416.         }

  1417.         else

  1418.             fluid_synth_write_float(fSynth, static_cast<int>(frames), outBuffer[0] + timeOffset, 0, 1, outBuffer[1] + timeOffset, 0, 1);

  1419. 

  1420. #ifndef BUILD_BRIDGE

  1421.         // --------------------------------------------------------------------------------------------------------

  1422.         // Post-processing (volume and balance)

  1423. 

  1424.         {

  1425.             // note - balance not possible with fUses16Outs, so we can safely skip fAudioOutBuffers

  1426.             const bool doVolume  = (pData->hints & PLUGIN_CAN_VOLUME) > 0 && pData->postProc.volume != 1.0f;

  1427.             const bool doBalance = (pData->hints & PLUGIN_CAN_BALANCE) > 0 && (pData->postProc.balanceLeft != -1.0f || pData->postProc.balanceRight != 1.0f);

  1428. 

  1429.             float oldBufLeft[doBalance ? frames : 1];

  1430. 

  1431.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1432.             {

  1433.                 // Balance

  1434.                 if (doBalance)

  1435.                 {

  1436.                     if (i % 2 == 0)

  1437.                         FloatVectorOperations::copy(oldBufLeft, outBuffer[i]+timeOffset, static_cast<int>(frames));

  1438. 

  1439.                     float balRangeL = (pData->postProc.balanceLeft  + 1.0f)/2.0f;

  1440.                     float balRangeR = (pData->postProc.balanceRight + 1.0f)/2.0f;

  1441. 

  1442.                     for (uint32_t k=0; k < frames; ++k)

  1443.                     {

  1444.                         if (i % 2 == 0)

  1445.                         {

  1446.                             // left

  1447.                             outBuffer[i][k+timeOffset]  = oldBufLeft[k]                * (1.0f - balRangeL);

  1448.                             outBuffer[i][k+timeOffset] += outBuffer[i+1][k+timeOffset] * (1.0f - balRangeR);

  1449.                         }

  1450.                         else

  1451.                         {

  1452.                             // right

  1453.                             outBuffer[i][k+timeOffset]  = outBuffer[i][k+timeOffset] * balRangeR;

  1454.                             outBuffer[i][k+timeOffset] += oldBufLeft[k]              * balRangeL;

  1455.                         }

  1456.                     }

  1457.                 }

  1458. 

  1459.                 // Volume

  1460.                 if (fUses16Outs)

  1461.                 {

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

  1463.                         outBuffer[i][k+timeOffset] = fAudio16Buffers[i][k] * pData->postProc.volume;

  1464.                 }

  1465.                 else if (doVolume)

  1466.                 {

  1467.                     for (uint32_t k=0; k < frames; ++k)

  1468.                         outBuffer[i][k+timeOffset] *= pData->postProc.volume;

  1469.                 }

  1470.             }

  1471. 

  1472.         } // End of Post-processing

  1473. #else

  1474.         if (fUses16Outs)

  1475.         {

  1476.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1477.             {

  1478.                 for (uint32_t k=0; k < frames; ++k)

  1479.                     outBuffer[i][k+timeOffset] = fAudio16Buffers[i][k];

  1480.             }

  1481.         }

  1482. #endif

  1483. 

  1484.         // --------------------------------------------------------------------------------------------------------

  1485. 

  1486.         pData->singleMutex.unlock();

  1487.         return true;

  1488.     }

  1489. 

  1490.     void bufferSizeChanged(const uint32_t newBufferSize) override

  1491.     {

  1492.         if (! fUses16Outs)

  1493.             return;

  1494. 

  1495.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1496.         {

  1497.             if (fAudio16Buffers[i] != nullptr)

  1498.                 delete[] fAudio16Buffers[i];

  1499.             fAudio16Buffers[i] = new float[newBufferSize];

  1500.         }

  1501.     }

  1502. 

  1503.     void sampleRateChanged(const double newSampleRate) override

  1504.     {

  1505.         CARLA_SAFE_ASSERT_RETURN(fSettings != nullptr,);

  1506. 

  1507.         fluid_settings_setnum(fSettings, "synth.sample-rate", newSampleRate);

  1508. 

  1509. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1510.         CARLA_SAFE_ASSERT_RETURN(fSynth != nullptr,);

  1511. 

  1512.         fluid_synth_set_sample_rate(fSynth, float(newSampleRate));

  1513. #endif

  1514.     }

  1515. 

  1516.     // -------------------------------------------------------------------

  1517.     // Plugin buffers

  1518. 

  1519.     void clearBuffers() noexcept override

  1520.     {

  1521.         carla_debug("FluidSynthPlugin::clearBuffers() - start");

  1522. 

  1523.         if (fAudio16Buffers != nullptr)

  1524.         {

  1525.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1526.             {

  1527.                 if (fAudio16Buffers[i] != nullptr)

  1528.                 {

  1529.                     delete[] fAudio16Buffers[i];

  1530.                     fAudio16Buffers[i] = nullptr;

  1531.                 }

  1532.             }

  1533. 

  1534.             delete[] fAudio16Buffers;

  1535.             fAudio16Buffers = nullptr;

  1536.         }

  1537. 

  1538.         CarlaPlugin::clearBuffers();

  1539. 

  1540.         carla_debug("FluidSynthPlugin::clearBuffers() - end");

  1541.     }

  1542. 

  1543.     // -------------------------------------------------------------------

  1544. 

  1545.     const void* getExtraStuff() const noexcept override

  1546.     {

  1547.         static const char xtrue[]  = "true";

  1548.         static const char xfalse[] = "false";

  1549.         return fUses16Outs ? xtrue : xfalse;

  1550.     }

  1551. 

  1552.     bool init(const char* const filename, const char* const name, const char* const label)

  1553.     {

  1554.         CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr, false);

  1555. 

  1556.         // ---------------------------------------------------------------

  1557.         // first checks

  1558. 

  1559.         if (pData->client != nullptr)

  1560.         {

  1561.             pData->engine->setLastError("Plugin client is already registered");

  1562.             return false;

  1563.         }

  1564. 

  1565.         if (fSynth == nullptr)

  1566.         {

  1567.             pData->engine->setLastError("null synth");

  1568.             return false;

  1569.         }

  1570. 

  1571.         if (filename == nullptr || filename[0] == '\0')

  1572.         {

  1573.             pData->engine->setLastError("null filename");

  1574.             return false;

  1575.         }

  1576. 

  1577.         if (label == nullptr || label[0] == '\0')

  1578.         {

  1579.             pData->engine->setLastError("null label");

  1580.             return false;

  1581.         }

  1582. 

  1583.         // ---------------------------------------------------------------

  1584.         // open soundfont

  1585. 

  1586.         const int synthId(fluid_synth_sfload(fSynth, filename, 0));

  1587. 

  1588.         if (synthId < 0)

  1589.         {

  1590.             pData->engine->setLastError("Failed to load SoundFont file");

  1591.             return false;

  1592.         }

  1593. 

  1594.         fSynthId = static_cast<uint>(synthId);

  1595. 

  1596.         // ---------------------------------------------------------------

  1597.         // get info

  1598. 

  1599.         CarlaString label2(label);

  1600. 

  1601.         if (fUses16Outs && ! label2.endsWith(" (16 outs)"))

  1602.             label2 += " (16 outs)";

  1603. 

  1604.         fLabel          = label2.dup();

  1605.         pData->filename = carla_strdup(filename);

  1606. 

  1607.         if (name != nullptr && name[0] != '\0')

  1608.             pData->name = pData->engine->getUniquePluginName(name);

  1609.         else

  1610.             pData->name = pData->engine->getUniquePluginName(label);

  1611. 

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

  1613.         // register client

  1614. 

  1615.         pData->client = pData->engine->addClient(this);

  1616. 

  1617.         if (pData->client == nullptr || ! pData->client->isOk())

  1618.         {

  1619.             pData->engine->setLastError("Failed to register plugin client");

  1620.             return false;

  1621.         }

  1622. 

  1623.         // ---------------------------------------------------------------

  1624.         // set default options

  1625. 

  1626.         pData->options  = 0x0;

  1627.         pData->options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  1628.         pData->options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  1629.         pData->options |= PLUGIN_OPTION_SEND_PITCHBEND;

  1630.         pData->options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  1631. 

  1632.         return true;

  1633.     }

  1634. 

  1635. private:

  1636.     enum FluidSynthInputParameters {

  1637.         FluidSynthReverbOnOff    = 0,

  1638.         FluidSynthReverbRoomSize = 1,

  1639.         FluidSynthReverbDamp     = 2,

  1640.         FluidSynthReverbLevel    = 3,

  1641.         FluidSynthReverbWidth    = 4,

  1642.         FluidSynthChorusOnOff    = 5,

  1643.         FluidSynthChorusNr       = 6,

  1644.         FluidSynthChorusLevel    = 7,

  1645.         FluidSynthChorusSpeedHz  = 8,

  1646.         FluidSynthChorusDepthMs  = 9,

  1647.         FluidSynthChorusType     = 10,

  1648.         FluidSynthPolyphony      = 11,

  1649.         FluidSynthInterpolation  = 12,

  1650.         FluidSynthVoiceCount     = 13,

  1651.         FluidSynthParametersMax  = 14

  1652.     };

  1653. 

  1654.     const bool fUses16Outs;

  1655. 

  1656.     fluid_settings_t* fSettings;

  1657.     fluid_synth_t*    fSynth;

  1658.     uint              fSynthId;

  1659. 

  1660.     float** fAudio16Buffers;

  1661.     float   fParamBuffers[FluidSynthParametersMax];

  1662. 

  1663.     int32_t fCurMidiProgs[MAX_MIDI_CHANNELS];

  1664. 

  1665.     const char* fLabel;

  1666. 

  1667.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(FluidSynthPlugin)

  1668. };

  1669. 

  1670. CARLA_BACKEND_END_NAMESPACE

  1671. 

  1672. #endif // WANT_FLUIDSYNTH

  1673. 

  1674. CARLA_BACKEND_START_NAMESPACE

  1675. 

  1676. CarlaPlugin* CarlaPlugin::newFluidSynth(const Initializer& init, const bool use16Outs)

  1677. {

  1678.     carla_debug("CarlaPlugin::newFluidSynth({%p, \"%s\", \"%s\", \"%s\", " P_INT64 "}, %s)", init.engine, init.filename, init.name, init.label, init.uniqueId, bool2str(use16Outs));

  1679. 

  1680. #ifdef WANT_FLUIDSYNTH

  1681.     if (init.engine->getProccessMode() == ENGINE_PROCESS_MODE_CONTINUOUS_RACK && use16Outs)

  1682.     {

  1683.         init.engine->setLastError("Carla's rack mode can only work with Stereo modules, please choose the 2-channel only SoundFont version");

  1684.         return nullptr;

  1685.     }

  1686. 

  1687.     if (! fluid_is_soundfont(init.filename))

  1688.     {

  1689.         init.engine->setLastError("Requested file is not a valid SoundFont");

  1690.         return nullptr;

  1691.     }

  1692. 

  1693.     FluidSynthPlugin* const plugin(new FluidSynthPlugin(init.engine, init.id,  use16Outs));

  1694. 

  1695.     if (! plugin->init(init.filename, init.name, init.label))

  1696.     {

  1697.         delete plugin;

  1698.         return nullptr;

  1699.     }

  1700. 

  1701.     plugin->reload();

  1702. 

  1703.     return plugin;

  1704. #else

  1705.     init.engine->setLastError("fluidsynth support not available");

  1706.     return nullptr;

  1707. 

  1708.     // unused

  1709.     (void)use16Outs;

  1710. #endif

  1711. }

  1712. 

  1713. CARLA_BACKEND_END_NAMESPACE