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Carla/source/backend/plugin/FluidSynthPlugin.cpp

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  1. /*

  2.  * Carla FluidSynth Plugin

  3.  * Copyright (C) 2011-2013 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 <fluidsynth.h>

  24. 

  25. #include <QtCore/QStringList>

  26. 

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

  28. # define FLUIDSYNTH_VERSION_NEW_API

  29. #endif

  30. 

  31. CARLA_BACKEND_START_NAMESPACE

  32. 

  33. #if 0

  34. }

  35. #endif

  36. 

  37. #define FLUID_DEFAULT_POLYPHONY 64

  38. 

  39. class FluidSynthPlugin : public CarlaPlugin

  40. {

  41. public:

  42.     FluidSynthPlugin(CarlaEngine* const engine, const unsigned int id, const bool use16Outs)

  43.         : CarlaPlugin(engine, id),

  44.           fUses16Outs(use16Outs),

  45.           fSettings(nullptr),

  46.           fSynth(nullptr),

  47.           fSynthId(-1),

  48.           fAudio16Buffers(nullptr),

  49.           fLabel(nullptr)

  50.     {

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

  52. 

  53.         FLOAT_CLEAR(fParamBuffers, FluidSynthParametersMax);

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

  55. 

  56.         // create settings

  57.         fSettings = new_fluid_settings();

  58.         CARLA_SAFE_ASSERT_RETURN(fSettings != nullptr,);

  59. 

  60.         // define settings

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

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

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

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

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

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

  67. 

  68.         // create synth

  69.         fSynth = new_fluid_synth(fSettings);

  70.         CARLA_SAFE_ASSERT_RETURN(fSynth != nullptr,);

  71. 

  72. #ifdef FLUIDSYNTH_VERSION_NEW_API

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

  74. #endif

  75. 

  76.         // set default values

  77.         fluid_synth_set_reverb_on(fSynth, 1);

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

  79. 

  80.         fluid_synth_set_chorus_on(fSynth, 1);

  81.         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);

  82. 

  83.         fluid_synth_set_polyphony(fSynth, FLUID_DEFAULT_POLYPHONY);

  84.         fluid_synth_set_gain(fSynth, 1.0f);

  85. 

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

  87.             fluid_synth_set_interp_method(fSynth, i, FLUID_INTERP_DEFAULT);

  88.     }

  89. 

  90.     ~FluidSynthPlugin() override

  91.     {

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

  93. 

  94.         pData->singleMutex.lock();

  95.         pData->masterMutex.lock();

  96. 

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

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

  99. 

  100.         if (pData->active)

  101.         {

  102.             deactivate();

  103.             pData->active = false;

  104.         }

  105. 

  106.         if (fSynth != nullptr)

  107.         {

  108.             delete_fluid_synth(fSynth);

  109.             fSynth = nullptr;

  110.         }

  111. 

  112.         if (fSettings != nullptr)

  113.         {

  114.             delete_fluid_settings(fSettings);

  115.             fSettings = nullptr;

  116.         }

  117. 

  118.         if (fLabel != nullptr)

  119.         {

  120.             delete[] fLabel;

  121.             fLabel = nullptr;

  122.         }

  123. 

  124.         clearBuffers();

  125.     }

  126. 

  127.     // -------------------------------------------------------------------

  128.     // Information (base)

  129. 

  130.     PluginType getType() const noexcept override

  131.     {

  132.         return PLUGIN_FILE_SF2;

  133.     }

  134. 

  135.     PluginCategory getCategory() const noexcept override

  136.     {

  137.         return PLUGIN_CATEGORY_SYNTH;

  138.     }

  139. 

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

  141.     // Information (count)

  142. 

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

  144.     {

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

  146. 

  147.         switch (parameterId)

  148.         {

  149.         case FluidSynthChorusType:

  150.             return 2;

  151.         case FluidSynthInterpolation:

  152.             return 4;

  153.         default:

  154.             return 0;

  155.         }

  156.     }

  157. 

  158.     // -------------------------------------------------------------------

  159.     // Information (current data)

  160. 

  161.     // nothing

  162. 

  163.     // -------------------------------------------------------------------

  164.     // Information (per-plugin data)

  165. 

  166.     unsigned int getOptionsAvailable() const noexcept override

  167.     {

  168.         unsigned int options = 0x0;

  169. 

  170.         options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  171.         options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  172.         options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  173.         options |= PLUGIN_OPTION_SEND_PITCHBEND;

  174.         options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  175. 

  176.         return options;

  177.     }

  178. 

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

  180.     {

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

  182. 

  183.         return fParamBuffers[parameterId];

  184.     }

  185. 

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

  187.     {

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

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

  190. 

  191.         switch (parameterId)

  192.         {

  193.         case FluidSynthChorusType:

  194.             switch (scalePointId)

  195.             {

  196.             case 0:

  197.                 return FLUID_CHORUS_MOD_SINE;

  198.             case 1:

  199.                 return FLUID_CHORUS_MOD_TRIANGLE;

  200.             default:

  201.                 return FLUID_CHORUS_DEFAULT_TYPE;

  202.             }

  203.         case FluidSynthInterpolation:

  204.             switch (scalePointId)

  205.             {

  206.             case 0:

  207.                 return FLUID_INTERP_NONE;

  208.             case 1:

  209.                 return FLUID_INTERP_LINEAR;

  210.             case 2:

  211.                 return FLUID_INTERP_4THORDER;

  212.             case 3:

  213.                 return FLUID_INTERP_7THORDER;

  214.             default:

  215.                 return FLUID_INTERP_DEFAULT;

  216.             }

  217.         default:

  218.             return 0.0f;

  219.         }

  220.     }

  221. 

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

  223.     {

  224.         if (fLabel != nullptr)

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

  226.         else

  227.             CarlaPlugin::getLabel(strBuf);

  228.     }

  229. 

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

  231.     {

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

  233.     }

  234. 

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

  236.     {

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

  238.     }

  239. 

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

  241.     {

  242.         getLabel(strBuf);

  243.     }

  244. 

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

  246.     {

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

  248. 

  249.         switch (parameterId)

  250.         {

  251.         case FluidSynthReverbOnOff:

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

  253.             break;

  254.         case FluidSynthReverbRoomSize:

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

  256.             break;

  257.         case FluidSynthReverbDamp:

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

  259.             break;

  260.         case FluidSynthReverbLevel:

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

  262.             break;

  263.         case FluidSynthReverbWidth:

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

  265.             break;

  266.         case FluidSynthChorusOnOff:

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

  268.             break;

  269.         case FluidSynthChorusNr:

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

  271.             break;

  272.         case FluidSynthChorusLevel:

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

  274.             break;

  275.         case FluidSynthChorusSpeedHz:

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

  277.             break;

  278.         case FluidSynthChorusDepthMs:

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

  280.             break;

  281.         case FluidSynthChorusType:

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

  283.             break;

  284.         case FluidSynthPolyphony:

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

  286.             break;

  287.         case FluidSynthInterpolation:

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

  289.             break;

  290.         case FluidSynthVoiceCount:

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

  292.             break;

  293.         default:

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

  295.             break;

  296.         }

  297.     }

  298. 

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

  300.     {

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

  302. 

  303.         switch (parameterId)

  304.         {

  305.         case FluidSynthChorusSpeedHz:

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

  307.             break;

  308.         case FluidSynthChorusDepthMs:

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

  310.             break;

  311.         default:

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

  313.             break;

  314.         }

  315.     }

  316. 

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

  318.     {

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

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

  321. 

  322.         switch (parameterId)

  323.         {

  324.         case FluidSynthChorusType:

  325.             switch (scalePointId)

  326.             {

  327.             case 0:

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

  329.                 return;

  330.             case 1:

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

  332.                 return;

  333.             }

  334.         case FluidSynthInterpolation:

  335.             switch (scalePointId)

  336.             {

  337.             case 0:

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

  339.                 return;

  340.             case 1:

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

  342.                 return;

  343.             case 2:

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

  345.                 return;

  346.             case 3:

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

  348.                 return;

  349.             }

  350.         }

  351. 

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

  353.     }

  354. 

  355.     // -------------------------------------------------------------------

  356.     // Set data (state)

  357. 

  358.     void prepareForSave() override

  359.     {

  360.         char strBuf[STR_MAX+1];

  361.         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],

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

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

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

  365. 

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

  367.     }

  368. 

  369.     // -------------------------------------------------------------------

  370.     // Set data (internal stuff)

  371. 

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

  373.     {

  374.         if (channel < MAX_MIDI_CHANNELS)

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

  376. 

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

  378.     }

  379. 

  380.     // -------------------------------------------------------------------

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

  382. 

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

  384.     {

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

  386. 

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

  388.         fParamBuffers[parameterId] = fixedValue;

  389. 

  390.         {

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

  392. 

  393.             switch (parameterId)

  394.             {

  395.             case FluidSynthReverbOnOff:

  396.                 try {

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

  398.                 } catch(...) {}

  399.                 break;

  400. 

  401.             case FluidSynthReverbRoomSize:

  402.             case FluidSynthReverbDamp:

  403.             case FluidSynthReverbLevel:

  404.             case FluidSynthReverbWidth:

  405.                 try {

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

  407.                 } catch(...) {}

  408.                 break;

  409. 

  410.             case FluidSynthChorusOnOff:

  411.                 try {

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

  413.                 } catch(...) {}

  414.                 break;

  415. 

  416.             case FluidSynthChorusNr:

  417.             case FluidSynthChorusLevel:

  418.             case FluidSynthChorusSpeedHz:

  419.             case FluidSynthChorusDepthMs:

  420.             case FluidSynthChorusType:

  421.                 try {

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

  423.                 } catch(...) {}

  424.                 break;

  425. 

  426.             case FluidSynthPolyphony:

  427.                 try {

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

  429.                 } catch(...) {}

  430.                 break;

  431. 

  432.             case FluidSynthInterpolation:

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

  434.                 {

  435.                     try {

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

  437.                     }

  438.                     catch(...) {

  439.                         break;

  440.                     }

  441.                 }

  442.                 break;

  443. 

  444.             default:

  445.                 break;

  446.             }

  447.         }

  448. 

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

  450.     }

  451. 

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

  453.     {

  454.         CARLA_SAFE_ASSERT_RETURN(fSynth != nullptr,);

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

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

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

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

  459. 

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

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

  462. 

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

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

  465. 

  466.         if (fUses16Outs)

  467.         {

  468.             QStringList midiProgramList(QString(value).split(":", QString::SkipEmptyParts));

  469. 

  470.             if (midiProgramList.count() == MAX_MIDI_CHANNELS)

  471.             {

  472.                 uint i = 0;

  473.                 foreach (const QString& midiProg, midiProgramList)

  474.                 {

  475.                     CARLA_SAFE_ASSERT_BREAK(i < MAX_MIDI_CHANNELS);

  476. 

  477.                     bool ok;

  478.                     uint index = midiProg.toUInt(&ok);

  479. 

  480.                     if (ok && index < pData->midiprog.count)

  481.                     {

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

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

  484. 

  485.                         fluid_synth_program_select(fSynth, i, fSynthId, bank, program);

  486.                         fCurMidiProgs[i] = index;

  487. 

  488.                         if (pData->ctrlChannel == static_cast<int32_t>(i))

  489.                         {

  490.                             pData->midiprog.current = index;

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

  492.                         }

  493.                     }

  494. 

  495.                     ++i;

  496.                 }

  497. 

  498.                 CARLA_SAFE_ASSERT(i == 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 int portNameSize(pData->engine->getMaxPortNameSize());

  559.         CarlaString portName;

  560. 

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

  562.         // Audio Outputs

  563. 

  564.         if (fUses16Outs)

  565.         {

  566.             for (int 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].midiChannel = 0;

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

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

  689. 

  690.             // ----------------------

  691.             j = FluidSynthReverbRoomSize;

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

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

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

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

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

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

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

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

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

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

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

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

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

  705. 

  706.             // ----------------------

  707.             j = FluidSynthReverbDamp;

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

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

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

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

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

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

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

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

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

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

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

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

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

  721. 

  722.             // ----------------------

  723.             j = FluidSynthReverbLevel;

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

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

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

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

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

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

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

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

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

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

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

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

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

  737. 

  738.             // ----------------------

  739.             j = FluidSynthReverbWidth;

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

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

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

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

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

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

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

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

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

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

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

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

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

  753. 

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

  755.             j = FluidSynthChorusOnOff;

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

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

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

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

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

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

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

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

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

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

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

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

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

  769. 

  770.             // ----------------------

  771.             j = FluidSynthChorusNr;

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

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

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

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

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

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

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

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

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

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

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

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

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

  785. 

  786.             // ----------------------

  787.             j = FluidSynthChorusLevel;

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

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

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

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

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

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

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

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

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

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

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

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

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

  801. 

  802.             // ----------------------

  803.             j = FluidSynthChorusSpeedHz;

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

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

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

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

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

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

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

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

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

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

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

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

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

  817. 

  818.             // ----------------------

  819.             j = FluidSynthChorusDepthMs;

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

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

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

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

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

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

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

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

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

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

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

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

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

  833. 

  834.             // ----------------------

  835.             j = FluidSynthChorusType;

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

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

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

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

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

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

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

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

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

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

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

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

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

  849. 

  850.             // ----------------------

  851.             j = FluidSynthPolyphony;

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

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

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

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

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

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

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

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

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

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

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

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

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

  865. 

  866.             // ----------------------

  867.             j = FluidSynthInterpolation;

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

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

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

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

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

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

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

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

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

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

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

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

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

  881. 

  882.             // ----------------------

  883.             j = FluidSynthVoiceCount;

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

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

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

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

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

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

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

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

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

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

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

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

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

  897.         }

  898. 

  899.         // ---------------------------------------

  900. 

  901.         // plugin hints

  902.         pData->hints  = 0x0;

  903.         pData->hints |= PLUGIN_IS_SYNTH;

  904.         pData->hints |= PLUGIN_CAN_VOLUME;

  905. 

  906.         if (! fUses16Outs)

  907.             pData->hints |= PLUGIN_CAN_BALANCE;

  908. 

  909.         // extra plugin hints

  910.         pData->extraHints  = 0x0;

  911.         pData->extraHints |= PLUGIN_EXTRA_HINT_HAS_MIDI_IN;

  912. 

  913.         if (! fUses16Outs)

  914.             pData->extraHints |= PLUGIN_EXTRA_HINT_CAN_RUN_RACK;

  915. 

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

  917.         reloadPrograms(true);

  918. 

  919.         if (pData->active)

  920.             activate();

  921. 

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

  923.     }

  924. 

  925.     void reloadPrograms(const bool init) override

  926.     {

  927.         carla_debug("FluidSynthPlugin::reloadPrograms(%s)", bool2str(init));

  928. 

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

  930.         bool hasDrums = false;

  931.         uint32_t drumIndex, drumProg;

  932. 

  933.         // Delete old programs

  934.         pData->midiprog.clear();

  935. 

  936.         // Query new programs

  937.         uint32_t count = 0;

  938. 

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

  940.         {

  941.             fluid_preset_t f_preset;

  942. 

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

  944.             f_sfont->iteration_start(f_sfont);

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

  946.                 ++count;

  947. 

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

  949.             CARLA_SAFE_ASSERT_RETURN(count > 0,);

  950. 

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

  952. 

  953.             // Update data

  954.             uint32_t i = 0;

  955.             f_sfont->iteration_start(f_sfont);

  956. 

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

  958.             {

  959.                 CARLA_SAFE_ASSERT_BREAK(i < count);

  960. 

  961.                 pData->midiprog.data[i].bank    = f_preset.get_banknum(&f_preset);

  962.                 pData->midiprog.data[i].program = f_preset.get_num(&f_preset);

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

  964. 

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

  966.                 {

  967.                     hasDrums  = true;

  968.                     drumIndex = i;

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

  970.                 }

  971. 

  972.                 ++i;

  973.             }

  974.         }

  975.         else

  976.         {

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

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

  979.             return;

  980.         }

  981. 

  982. #ifndef BUILD_BRIDGE

  983.         // Update OSC Names

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

  985.         {

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

  987. 

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

  989.                 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);

  990.         }

  991. #endif

  992. 

  993.         if (init)

  994.         {

  995.             fluid_synth_program_reset(fSynth);

  996. 

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

  998.             for (uint32_t i=0; i < MAX_MIDI_CHANNELS && i != 9; ++i)

  999.             {

  1000. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1001.                 fluid_synth_set_channel_type(fSynth, i, CHANNEL_TYPE_MELODIC);

  1002. #endif

  1003.                 fluid_synth_program_select(fSynth, i, fSynthId, pData->midiprog.data[0].bank, pData->midiprog.data[0].program);

  1004. 

  1005.                 fCurMidiProgs[i] = 0;

  1006.             }

  1007. 

  1008.             if (hasDrums)

  1009.             {

  1010. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1011.                 fluid_synth_set_channel_type(fSynth, 9, CHANNEL_TYPE_DRUM);

  1012. #endif

  1013.                 fluid_synth_program_select(fSynth, 9, fSynthId, 128, drumProg);

  1014. 

  1015.                 fCurMidiProgs[9] = drumIndex;

  1016.             }

  1017.             else

  1018.             {

  1019. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1020.                 fluid_synth_set_channel_type(fSynth, 9, CHANNEL_TYPE_MELODIC);

  1021. #endif

  1022.                 fluid_synth_program_select(fSynth, 9, fSynthId, pData->midiprog.data[0].bank, pData->midiprog.data[0].program);

  1023. 

  1024.                 fCurMidiProgs[9] = 0;

  1025.             }

  1026. 

  1027.             pData->midiprog.current = 0;

  1028.         }

  1029.         else

  1030.         {

  1031.             pData->engine->callback(ENGINE_CALLBACK_RELOAD_PROGRAMS, pData->id, 0, 0, 0.0f, nullptr);

  1032.         }

  1033.     }

  1034. 

  1035.     // -------------------------------------------------------------------

  1036.     // Plugin processing

  1037. 

  1038.     void process(float** const, float** const outBuffer, const uint32_t frames) override

  1039.     {

  1040.         // --------------------------------------------------------------------------------------------------------

  1041.         // Check if active

  1042. 

  1043.         if (! pData->active)

  1044.         {

  1045.             // disable any output sound

  1046.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1047.                 FLOAT_CLEAR(outBuffer[i], frames);

  1048.             return;

  1049.         }

  1050. 

  1051.         // --------------------------------------------------------------------------------------------------------

  1052.         // Check if needs reset

  1053. 

  1054.         if (pData->needsReset)

  1055.         {

  1056.             if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1057.             {

  1058.                 for (int i=0; i < MAX_MIDI_CHANNELS; ++i)

  1059.                 {

  1060. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1061.                     fluid_synth_all_notes_off(fSynth, i);

  1062.                     fluid_synth_all_sounds_off(fSynth, i);

  1063. #else

  1064.                     fluid_synth_cc(fSynth, i, MIDI_CONTROL_ALL_SOUND_OFF, 0);

  1065.                     fluid_synth_cc(fSynth, i, MIDI_CONTROL_ALL_NOTES_OFF, 0);

  1066. #endif

  1067.                 }

  1068.             }

  1069.             else if (pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1070.             {

  1071.                 for (int i=0; i < MAX_MIDI_NOTE; ++i)

  1072.                     fluid_synth_noteoff(fSynth, pData->ctrlChannel, i);

  1073.             }

  1074. 

  1075.             pData->needsReset = false;

  1076.         }

  1077. 

  1078.         // --------------------------------------------------------------------------------------------------------

  1079.         // Event Input and Processing

  1080. 

  1081.         {

  1082.             // ----------------------------------------------------------------------------------------------------

  1083.             // MIDI Input (External)

  1084. 

  1085.             if (pData->extNotes.mutex.tryLock())

  1086.             {

  1087.                 while (! pData->extNotes.data.isEmpty())

  1088.                 {

  1089.                     const ExternalMidiNote& note(pData->extNotes.data.getFirst(true));

  1090. 

  1091.                     CARLA_SAFE_ASSERT_CONTINUE(note.channel >= 0 && note.channel < MAX_MIDI_CHANNELS);

  1092. 

  1093.                     if (note.velo > 0)

  1094.                         fluid_synth_noteon(fSynth, note.channel, note.note, note.velo);

  1095.                     else

  1096.                         fluid_synth_noteoff(fSynth,note.channel, note.note);

  1097.                 }

  1098. 

  1099.                 pData->extNotes.mutex.unlock();

  1100. 

  1101.             } // End of MIDI Input (External)

  1102. 

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

  1104.             // Event Input (System)

  1105. 

  1106.             bool allNotesOffSent = false;

  1107. 

  1108.             uint32_t time, nEvents = pData->event.portIn->getEventCount();

  1109.             uint32_t timeOffset = 0;

  1110. 

  1111.             uint32_t nextBankIds[MAX_MIDI_CHANNELS] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 0, 0, 0, 0, 0, 0 };

  1112. 

  1113.             if (pData->midiprog.current >= 0 && pData->midiprog.count > 0 && pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1114.                 nextBankIds[pData->ctrlChannel] = pData->midiprog.data[pData->midiprog.current].bank;

  1115. 

  1116.             for (uint32_t i=0; i < nEvents; ++i)

  1117.             {

  1118.                 const EngineEvent& event(pData->event.portIn->getEvent(i));

  1119. 

  1120.                 time = event.time;

  1121. 

  1122.                 CARLA_SAFE_ASSERT_CONTINUE(time < frames);

  1123.                 CARLA_SAFE_ASSERT_BREAK(time >= timeOffset);

  1124. 

  1125.                 if (time > timeOffset)

  1126.                 {

  1127.                     if (processSingle(outBuffer, time - timeOffset, timeOffset))

  1128.                     {

  1129.                         timeOffset = time;

  1130. 

  1131.                         if (pData->midiprog.current >= 0 && pData->midiprog.count > 0 && pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1132.                             nextBankIds[pData->ctrlChannel] = pData->midiprog.data[pData->midiprog.current].bank;

  1133.                     }

  1134.                 }

  1135. 

  1136.                 // Control change

  1137.                 switch (event.type)

  1138.                 {

  1139.                 case kEngineEventTypeNull:

  1140.                     break;

  1141. 

  1142.                 case kEngineEventTypeControl:

  1143.                 {

  1144.                     const EngineControlEvent& ctrlEvent = event.ctrl;

  1145. 

  1146.                     switch (ctrlEvent.type)

  1147.                     {

  1148.                     case kEngineControlEventTypeNull:

  1149.                         break;

  1150. 

  1151.                     case kEngineControlEventTypeParameter:

  1152.                     {

  1153. #ifndef BUILD_BRIDGE

  1154.                         // Control backend stuff

  1155.                         if (event.channel == pData->ctrlChannel)

  1156.                         {

  1157.                             float value;

  1158. 

  1159.                             if (MIDI_IS_CONTROL_BREATH_CONTROLLER(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_DRYWET) != 0)

  1160.                             {

  1161.                                 value = ctrlEvent.value;

  1162.                                 setDryWet(value, false, false);

  1163.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_DRYWET, 0, value);

  1164.                             }

  1165. 

  1166.                             if (MIDI_IS_CONTROL_CHANNEL_VOLUME(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_VOLUME) != 0)

  1167.                             {

  1168.                                 value = ctrlEvent.value*127.0f/100.0f;

  1169.                                 setVolume(value, false, false);

  1170.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_VOLUME, 0, value);

  1171.                             }

  1172. 

  1173.                             if (MIDI_IS_CONTROL_BALANCE(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_BALANCE) != 0)

  1174.                             {

  1175.                                 float left, right;

  1176.                                 value = ctrlEvent.value/0.5f - 1.0f;

  1177. 

  1178.                                 if (value < 0.0f)

  1179.                                 {

  1180.                                     left  = -1.0f;

  1181.                                     right = (value*2.0f)+1.0f;

  1182.                                 }

  1183.                                 else if (value > 0.0f)

  1184.                                 {

  1185.                                     left  = (value*2.0f)-1.0f;

  1186.                                     right = 1.0f;

  1187.                                 }

  1188.                                 else

  1189.                                 {

  1190.                                     left  = -1.0f;

  1191.                                     right = 1.0f;

  1192.                                 }

  1193. 

  1194.                                 setBalanceLeft(left, false, false);

  1195.                                 setBalanceRight(right, false, false);

  1196.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_LEFT, 0, left);

  1197.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_RIGHT, 0, right);

  1198.                             }

  1199.                         }

  1200. #endif

  1201. 

  1202.                         // Control plugin parameters

  1203.                         for (uint32_t k=0; k < pData->param.count; ++k)

  1204.                         {

  1205.                             if (pData->param.data[k].midiChannel != event.channel)

  1206.                                 continue;

  1207.                             if (pData->param.data[k].midiCC != ctrlEvent.param)

  1208.                                 continue;

  1209.                             if (pData->param.data[k].hints != PARAMETER_INPUT)

  1210.                                 continue;

  1211.                             if ((pData->param.data[k].hints & PARAMETER_IS_AUTOMABLE) == 0)

  1212.                                 continue;

  1213. 

  1214.                             float value;

  1215. 

  1216.                             if (pData->param.data[k].hints & PARAMETER_IS_BOOLEAN)

  1217.                             {

  1218.                                 value = (ctrlEvent.value < 0.5f) ? pData->param.ranges[k].min : pData->param.ranges[k].max;

  1219.                             }

  1220.                             else

  1221.                             {

  1222.                                 value = pData->param.ranges[k].getUnnormalizedValue(ctrlEvent.value);

  1223. 

  1224.                                 if (pData->param.data[k].hints & PARAMETER_IS_INTEGER)

  1225.                                     value = std::rint(value);

  1226.                             }

  1227. 

  1228.                             setParameterValue(k, value, false, false, false);

  1229.                             pData->postponeRtEvent(kPluginPostRtEventParameterChange, static_cast<int32_t>(k), 0, value);

  1230.                         }

  1231. 

  1232.                         if ((pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0 && ctrlEvent.param <= 0x5F)

  1233.                         {

  1234.                             fluid_synth_cc(fSynth, event.channel, ctrlEvent.param, int(ctrlEvent.value*127.0f));

  1235.                         }

  1236. 

  1237.                         break;

  1238.                     }

  1239. 

  1240.                     case kEngineControlEventTypeMidiBank:

  1241.                         if (event.channel < MAX_MIDI_CHANNELS && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1242.                             nextBankIds[event.channel] = ctrlEvent.param;

  1243.                         break;

  1244. 

  1245.                     case kEngineControlEventTypeMidiProgram:

  1246.                         if (event.channel < MAX_MIDI_CHANNELS && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1247.                         {

  1248.                             const uint32_t bankId(nextBankIds[event.channel]);

  1249.                             const uint32_t progId(ctrlEvent.param);

  1250. 

  1251.                             for (uint32_t k=0; k < pData->midiprog.count; ++k)

  1252.                             {

  1253.                                 if (pData->midiprog.data[k].bank == bankId && pData->midiprog.data[k].program == progId)

  1254.                                 {

  1255.                                     fluid_synth_program_select(fSynth, event.channel, fSynthId, bankId, progId);

  1256.                                     fCurMidiProgs[event.channel] = k;

  1257. 

  1258.                                     if (event.channel == pData->ctrlChannel)

  1259.                                         pData->postponeRtEvent(kPluginPostRtEventMidiProgramChange, k, 0, 0.0f);

  1260. 

  1261.                                     break;

  1262.                                 }

  1263.                             }

  1264.                         }

  1265.                         break;

  1266. 

  1267.                     case kEngineControlEventTypeAllSoundOff:

  1268.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1269.                         {

  1270. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1271.                             fluid_synth_all_sounds_off(fSynth, event.channel);

  1272. #else

  1273.                             fluid_synth_cc(fSynth, event.channel, MIDI_CONTROL_ALL_SOUND_OFF, 0);

  1274. #endif

  1275.                         }

  1276.                         break;

  1277. 

  1278.                     case kEngineControlEventTypeAllNotesOff:

  1279.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1280.                         {

  1281.                             if (event.channel == pData->ctrlChannel && ! allNotesOffSent)

  1282.                             {

  1283.                                 allNotesOffSent = true;

  1284.                                 sendMidiAllNotesOffToCallback();

  1285.                             }

  1286. 

  1287. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1288.                             fluid_synth_all_notes_off(fSynth, event.channel);

  1289. #else

  1290.                             fluid_synth_cc(fSynth, event.channel, MIDI_CONTROL_ALL_NOTES_OFF, 0);

  1291. #endif

  1292.                         }

  1293.                         break;

  1294.                     }

  1295. 

  1296.                     break;

  1297.                 }

  1298. 

  1299.                 case kEngineEventTypeMidi:

  1300.                 {

  1301.                     const EngineMidiEvent& midiEvent(event.midi);

  1302. 

  1303.                     uint8_t status  = uint8_t(MIDI_GET_STATUS_FROM_DATA(midiEvent.data));

  1304.                     uint8_t channel = event.channel;

  1305. 

  1306.                     // Fix bad note-off

  1307.                     if (MIDI_IS_STATUS_NOTE_ON(status) && midiEvent.data[2] == 0)

  1308.                         status = MIDI_STATUS_NOTE_OFF;

  1309. 

  1310.                     if (MIDI_IS_STATUS_NOTE_OFF(status))

  1311.                     {

  1312.                         const uint8_t note = midiEvent.data[1];

  1313. 

  1314.                         fluid_synth_noteoff(fSynth, channel, note);

  1315. 

  1316.                         pData->postponeRtEvent(kPluginPostRtEventNoteOff, channel, note, 0.0f);

  1317.                     }

  1318.                     else if (MIDI_IS_STATUS_NOTE_ON(status))

  1319.                     {

  1320.                         const uint8_t note = midiEvent.data[1];

  1321.                         const uint8_t velo = midiEvent.data[2];

  1322. 

  1323.                         fluid_synth_noteon(fSynth, channel, note, velo);

  1324. 

  1325.                         pData->postponeRtEvent(kPluginPostRtEventNoteOn, channel, note, velo);

  1326.                     }

  1327.                     else if (MIDI_IS_STATUS_POLYPHONIC_AFTERTOUCH(status) && (pData->options & PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH) != 0)

  1328.                     {

  1329.                         //const uint8_t note     = midiEvent.data[1];

  1330.                         //const uint8_t pressure = midiEvent.data[2];

  1331. 

  1332.                         // TODO, not in fluidsynth API

  1333.                     }

  1334.                     else if (MIDI_IS_STATUS_CONTROL_CHANGE(status) && (pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0)

  1335.                     {

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

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

  1338. 

  1339.                         fluid_synth_cc(fSynth, channel, control, value);

  1340.                     }

  1341.                     else if (MIDI_IS_STATUS_CHANNEL_PRESSURE(status) && (pData->options & PLUGIN_OPTION_SEND_CHANNEL_PRESSURE) != 0)

  1342.                     {

  1343.                         const uint8_t pressure = midiEvent.data[1];

  1344. 

  1345.                         fluid_synth_channel_pressure(fSynth, channel, pressure);;

  1346.                     }

  1347.                     else if (MIDI_IS_STATUS_PITCH_WHEEL_CONTROL(status) && (pData->options & PLUGIN_OPTION_SEND_PITCHBEND) != 0)

  1348.                     {

  1349.                         const uint8_t lsb   = midiEvent.data[1];

  1350.                         const uint8_t msb   = midiEvent.data[2];

  1351.                         const int     value = ((msb << 7) | lsb) - 8192;

  1352. 

  1353.                         fluid_synth_pitch_bend(fSynth, channel, value);

  1354.                     }

  1355. 

  1356.                     break;

  1357.                 }

  1358.                 }

  1359.             }

  1360. 

  1361.             pData->postRtEvents.trySplice();

  1362. 

  1363.             if (frames > timeOffset)

  1364.                 processSingle(outBuffer, frames - timeOffset, timeOffset);

  1365. 

  1366.         } // End of Event Input and Processing

  1367. 

  1368.         CARLA_PROCESS_CONTINUE_CHECK;

  1369. 

  1370.         // --------------------------------------------------------------------------------------------------------

  1371.         // Control Output

  1372. 

  1373.         {

  1374.             uint32_t k = FluidSynthVoiceCount;

  1375.             fParamBuffers[k] = float(fluid_synth_get_active_voice_count(fSynth));

  1376.             pData->param.ranges[k].fixValue(fParamBuffers[k]);

  1377. 

  1378.             if (pData->param.data[k].midiCC > 0)

  1379.             {

  1380.                 float value(pData->param.ranges[k].getNormalizedValue(fParamBuffers[k]));

  1381.                 pData->event.portOut->writeControlEvent(0, pData->param.data[k].midiChannel, kEngineControlEventTypeParameter, pData->param.data[k].midiCC, value);

  1382.             }

  1383. 

  1384.         } // End of Control Output

  1385.     }

  1386. 

  1387.     bool processSingle(float** const outBuffer, const uint32_t frames, const uint32_t timeOffset)

  1388.     {

  1389.         CARLA_SAFE_ASSERT_RETURN(outBuffer != nullptr, false);

  1390.         CARLA_SAFE_ASSERT_RETURN(frames > 0, false);

  1391. 

  1392.         // --------------------------------------------------------------------------------------------------------

  1393.         // Try lock, silence otherwise

  1394. 

  1395.         if (pData->engine->isOffline())

  1396.         {

  1397.             pData->singleMutex.lock();

  1398.         }

  1399.         else if (! pData->singleMutex.tryLock())

  1400.         {

  1401.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1402.             {

  1403.                 for (uint32_t k=0; k < frames; ++k)

  1404.                     outBuffer[i][k+timeOffset] = 0.0f;

  1405.             }

  1406. 

  1407.             return false;

  1408.         }

  1409. 

  1410.         // --------------------------------------------------------------------------------------------------------

  1411.         // Fill plugin buffers and Run plugin

  1412. 

  1413.         if (fUses16Outs)

  1414.         {

  1415.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1416.                 FLOAT_CLEAR(fAudio16Buffers[i], frames);

  1417. 

  1418.             fluid_synth_process(fSynth, frames, 0, nullptr, pData->audioOut.count, fAudio16Buffers);

  1419.         }

  1420.         else

  1421.             fluid_synth_write_float(fSynth, frames, outBuffer[0] + timeOffset, 0, 1, outBuffer[1] + timeOffset, 0, 1);

  1422. 

  1423. #ifndef BUILD_BRIDGE

  1424.         // --------------------------------------------------------------------------------------------------------

  1425.         // Post-processing (volume and balance)

  1426. 

  1427.         {

  1428.             // note - balance not possible with fUses16Outs, so we can safely skip fAudioOutBuffers

  1429.             const bool doVolume  = (pData->hints & PLUGIN_CAN_VOLUME) > 0 && pData->postProc.volume != 1.0f;

  1430.             const bool doBalance = (pData->hints & PLUGIN_CAN_BALANCE) > 0 && (pData->postProc.balanceLeft != -1.0f || pData->postProc.balanceRight != 1.0f);

  1431. 

  1432.             float oldBufLeft[doBalance ? frames : 1];

  1433. 

  1434.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1435.             {

  1436.                 // Balance

  1437.                 if (doBalance)

  1438.                 {

  1439.                     if (i % 2 == 0)

  1440.                         FLOAT_COPY(oldBufLeft, outBuffer[i]+timeOffset, frames);

  1441. 

  1442.                     float balRangeL = (pData->postProc.balanceLeft  + 1.0f)/2.0f;

  1443.                     float balRangeR = (pData->postProc.balanceRight + 1.0f)/2.0f;

  1444. 

  1445.                     for (uint32_t k=0; k < frames; ++k)

  1446.                     {

  1447.                         if (i % 2 == 0)

  1448.                         {

  1449.                             // left

  1450.                             outBuffer[i][k+timeOffset]  = oldBufLeft[k]                * (1.0f - balRangeL);

  1451.                             outBuffer[i][k+timeOffset] += outBuffer[i+1][k+timeOffset] * (1.0f - balRangeR);

  1452.                         }

  1453.                         else

  1454.                         {

  1455.                             // right

  1456.                             outBuffer[i][k+timeOffset]  = outBuffer[i][k+timeOffset] * balRangeR;

  1457.                             outBuffer[i][k+timeOffset] += oldBufLeft[k]              * balRangeL;

  1458.                         }

  1459.                     }

  1460.                 }

  1461. 

  1462.                 // Volume

  1463.                 if (fUses16Outs)

  1464.                 {

  1465.                     for (uint32_t k=0; k < frames; ++k)

  1466.                         outBuffer[i][k+timeOffset] = fAudio16Buffers[i][k] * pData->postProc.volume;

  1467.                 }

  1468.                 else if (doVolume)

  1469.                 {

  1470.                     for (uint32_t k=0; k < frames; ++k)

  1471.                         outBuffer[i][k+timeOffset] *= pData->postProc.volume;

  1472.                 }

  1473.             }

  1474. 

  1475.         } // End of Post-processing

  1476. #else

  1477.         if (fUses16Outs)

  1478.         {

  1479.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1480.             {

  1481.                 for (uint32_t k=0; k < frames; ++k)

  1482.                     outBuffer[i][k+timeOffset] = fAudio16Buffers[i][k];

  1483.             }

  1484.         }

  1485. #endif

  1486. 

  1487.         // --------------------------------------------------------------------------------------------------------

  1488. 

  1489.         pData->singleMutex.unlock();

  1490.         return true;

  1491.     }

  1492. 

  1493.     void bufferSizeChanged(const uint32_t newBufferSize) override

  1494.     {

  1495.         if (! fUses16Outs)

  1496.             return;

  1497. 

  1498.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1499.         {

  1500.             if (fAudio16Buffers[i] != nullptr)

  1501.                 delete[] fAudio16Buffers[i];

  1502.             fAudio16Buffers[i] = new float[newBufferSize];

  1503.         }

  1504.     }

  1505. 

  1506.     void sampleRateChanged(const double newSampleRate) override

  1507.     {

  1508.         CARLA_SAFE_ASSERT_RETURN(fSettings != nullptr,);

  1509. 

  1510.         fluid_settings_setnum(fSettings, "synth.sample-rate", newSampleRate);

  1511. 

  1512. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1513.         CARLA_SAFE_ASSERT_RETURN(fSynth != nullptr,);

  1514. 

  1515.         fluid_synth_set_sample_rate(fSynth, float(newSampleRate));

  1516. #endif

  1517.     }

  1518. 

  1519.     // -------------------------------------------------------------------

  1520.     // Plugin buffers

  1521. 

  1522.     void clearBuffers() override

  1523.     {

  1524.         carla_debug("FluidSynthPlugin::clearBuffers() - start");

  1525. 

  1526.         if (fAudio16Buffers != nullptr)

  1527.         {

  1528.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1529.             {

  1530.                 if (fAudio16Buffers[i] != nullptr)

  1531.                 {

  1532.                     delete[] fAudio16Buffers[i];

  1533.                     fAudio16Buffers[i] = nullptr;

  1534.                 }

  1535.             }

  1536. 

  1537.             delete[] fAudio16Buffers;

  1538.             fAudio16Buffers = nullptr;

  1539.         }

  1540. 

  1541.         CarlaPlugin::clearBuffers();

  1542. 

  1543.         carla_debug("FluidSynthPlugin::clearBuffers() - end");

  1544.     }

  1545. 

  1546.     // -------------------------------------------------------------------

  1547. 

  1548.     const void* getExtraStuff() const noexcept override

  1549.     {

  1550.         static const char xtrue[]  = "true";

  1551.         static const char xfalse[] = "false";

  1552.         return fUses16Outs ? xtrue : xfalse;

  1553.     }

  1554. 

  1555.     bool init(const char* const filename, const char* const name, const char* const label)

  1556.     {

  1557.         CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr, false);

  1558. 

  1559.         // ---------------------------------------------------------------

  1560.         // first checks

  1561. 

  1562.         if (pData->client != nullptr)

  1563.         {

  1564.             pData->engine->setLastError("Plugin client is already registered");

  1565.             return false;

  1566.         }

  1567. 

  1568.         if (fSynth == nullptr)

  1569.         {

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

  1571.             return false;

  1572.         }

  1573. 

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

  1575.         {

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

  1577.             return false;

  1578.         }

  1579. 

  1580.         if (label == nullptr || label[0] == '\0')

  1581.         {

  1582.             pData->engine->setLastError("null label");

  1583.             return false;

  1584.         }

  1585. 

  1586.         // ---------------------------------------------------------------

  1587.         // open soundfont

  1588. 

  1589.         fSynthId = fluid_synth_sfload(fSynth, filename, 0);

  1590. 

  1591.         if (fSynthId < 0)

  1592.         {

  1593.             pData->engine->setLastError("Failed to load SoundFont file");

  1594.             return false;

  1595.         }

  1596. 

  1597.         // ---------------------------------------------------------------

  1598.         // get info

  1599. 

  1600.         CarlaString label2(label);

  1601. 

  1602.         if (fUses16Outs && ! label2.endsWith(" (16 outs)"))

  1603.             label2 += " (16 outs)";

  1604. 

  1605.         fLabel          = label2.dup();

  1606.         pData->filename = carla_strdup(filename);

  1607. 

  1608.         if (name != nullptr && name[0] != '\0')

  1609.             pData->name = pData->engine->getUniquePluginName(name);

  1610.         else

  1611.             pData->name = pData->engine->getUniquePluginName(label);

  1612. 

  1613.         // ---------------------------------------------------------------

  1614.         // register client

  1615. 

  1616.         pData->client = pData->engine->addClient(this);

  1617. 

  1618.         if (pData->client == nullptr || ! pData->client->isOk())

  1619.         {

  1620.             pData->engine->setLastError("Failed to register plugin client");

  1621.             return false;

  1622.         }

  1623. 

  1624.         // ---------------------------------------------------------------

  1625.         // load plugin settings

  1626. 

  1627.         {

  1628.             // set default options

  1629.             pData->options = 0x0;

  1630. 

  1631.             pData->options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  1632.             pData->options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  1633.             pData->options |= PLUGIN_OPTION_SEND_PITCHBEND;

  1634.             pData->options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  1635. 

  1636.             // set identifier string

  1637.             CarlaString identifier("SF2/");

  1638. 

  1639.             if (const char* const shortname = std::strrchr(filename, OS_SEP))

  1640.                 identifier += shortname+1;

  1641.             else

  1642.                 identifier += label;

  1643. 

  1644.             pData->identifier = identifier.dup();

  1645. 

  1646.             // load settings

  1647.             pData->options = pData->loadSettings(pData->options, getOptionsAvailable());

  1648.         }

  1649. 

  1650.         return true;

  1651.     }

  1652. 

  1653. private:

  1654.     enum FluidSynthInputParameters {

  1655.         FluidSynthReverbOnOff    = 0,

  1656.         FluidSynthReverbRoomSize = 1,

  1657.         FluidSynthReverbDamp     = 2,

  1658.         FluidSynthReverbLevel    = 3,

  1659.         FluidSynthReverbWidth    = 4,

  1660.         FluidSynthChorusOnOff    = 5,

  1661.         FluidSynthChorusNr       = 6,

  1662.         FluidSynthChorusLevel    = 7,

  1663.         FluidSynthChorusSpeedHz  = 8,

  1664.         FluidSynthChorusDepthMs  = 9,

  1665.         FluidSynthChorusType     = 10,

  1666.         FluidSynthPolyphony      = 11,

  1667.         FluidSynthInterpolation  = 12,

  1668.         FluidSynthVoiceCount     = 13,

  1669.         FluidSynthParametersMax  = 14

  1670.     };

  1671. 

  1672.     const bool fUses16Outs;

  1673. 

  1674.     fluid_settings_t* fSettings;

  1675.     fluid_synth_t*    fSynth;

  1676.     int               fSynthId;

  1677. 

  1678.     float** fAudio16Buffers;

  1679.     float   fParamBuffers[FluidSynthParametersMax];

  1680. 

  1681.     int32_t fCurMidiProgs[MAX_MIDI_CHANNELS];

  1682. 

  1683.     const char* fLabel;

  1684. 

  1685.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(FluidSynthPlugin)

  1686. };

  1687. 

  1688. CARLA_BACKEND_END_NAMESPACE

  1689. 

  1690. #endif // WANT_FLUIDSYNTH

  1691. 

  1692. CARLA_BACKEND_START_NAMESPACE

  1693. 

  1694. CarlaPlugin* CarlaPlugin::newFluidSynth(const Initializer& init, const bool use16Outs)

  1695. {

  1696.     carla_debug("CarlaPlugin::newFluidSynth({%p, \"%s\", \"%s\", \"%s\"}, %s)", init.engine, init.filename, init.name, init.label, bool2str(use16Outs));

  1697. 

  1698. #ifdef WANT_FLUIDSYNTH

  1699.     if (init.engine->getProccessMode() == ENGINE_PROCESS_MODE_CONTINUOUS_RACK && use16Outs)

  1700.     {

  1701.         init.engine->setLastError("Carla's rack mode can only work with Stereo modules, please choose the 2-channel only SoundFont version");

  1702.         return nullptr;

  1703.     }

  1704. 

  1705.     if (! fluid_is_soundfont(init.filename))

  1706.     {

  1707.         init.engine->setLastError("Requested file is not a valid SoundFont");

  1708.         return nullptr;

  1709.     }

  1710. 

  1711.     FluidSynthPlugin* const plugin(new FluidSynthPlugin(init.engine, init.id,  use16Outs));

  1712. 

  1713.     if (! plugin->init(init.filename, init.name, init.label))

  1714.     {

  1715.         delete plugin;

  1716.         return nullptr;

  1717.     }

  1718. 

  1719.     plugin->reload();

  1720. 

  1721.     return plugin;

  1722. #else

  1723.     init.engine->setLastError("fluidsynth support not available");

  1724.     return nullptr;

  1725. 

  1726.     // unused

  1727.     (void)use16Outs;

  1728. #endif

  1729. }

  1730. 

  1731. CARLA_BACKEND_END_NAMESPACE