falkTX
/
Carla
mirror of https://github.com/falkTX/Carla
1
0
Fork 0
Code Releases 42 Activity
Audio plugin host https://kx.studio/carla
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
1181 Commits
16 Branches
318MB
Tree: ce9eaedb4a
Branches Tags
${ item.name }
Create branch ${ searchTerm }
from 'ce9eaedb4a'
${ noResults }
Carla/source/backend/plugin/FluidSynthPlugin.cpp

1731 lines
63KB
Raw Blame History 

  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. 

  20. #ifdef WANT_FLUIDSYNTH

  21. 

  22. #include <fluidsynth.h>

  23. 

  24. #include <QtCore/QStringList>

  25. 

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

  27. # define FLUIDSYNTH_VERSION_NEW_API

  28. #endif

  29. 

  30. CARLA_BACKEND_START_NAMESPACE

  31. 

  32. #if 0

  33. }

  34. #endif

  35. 

  36. #define FLUID_DEFAULT_POLYPHONY 64

  37. 

  38. class FluidSynthPlugin : public CarlaPlugin

  39. {

  40. public:

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

  42.         : CarlaPlugin(engine, id),

  43.           fUses16Outs(use16Outs),

  44.           fSettings(nullptr),

  45.           fSynth(nullptr),

  46.           fSynthId(-1),

  47.           fAudio16Buffers(nullptr),

  48.           fLabel(nullptr)

  49.     {

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

  51. 

  52.         FLOAT_CLEAR(fParamBuffers, FluidSynthParametersMax);

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

  54. 

  55.         // create settings

  56.         fSettings = new_fluid_settings();

  57.         CARLA_SAFE_ASSERT_RETURN(fSettings != nullptr,);

  58. 

  59.         // define settings

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

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

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

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

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

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

  66. 

  67.         // create synth

  68.         fSynth = new_fluid_synth(fSettings);

  69.         CARLA_SAFE_ASSERT_RETURN(fSynth != nullptr,);

  70. 

  71. #ifdef FLUIDSYNTH_VERSION_NEW_API

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

  73. #endif

  74. 

  75.         // set default values

  76.         fluid_synth_set_reverb_on(fSynth, 1);

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

  78. 

  79.         fluid_synth_set_chorus_on(fSynth, 1);

  80.         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);

  81. 

  82.         fluid_synth_set_polyphony(fSynth, FLUID_DEFAULT_POLYPHONY);

  83.         fluid_synth_set_gain(fSynth, 1.0f);

  84. 

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

  86.             fluid_synth_set_interp_method(fSynth, i, FLUID_INTERP_DEFAULT);

  87.     }

  88. 

  89.     ~FluidSynthPlugin() override

  90.     {

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

  92. 

  93.         pData->singleMutex.lock();

  94.         pData->masterMutex.lock();

  95. 

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

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

  98. 

  99.         if (pData->active)

  100.         {

  101.             deactivate();

  102.             pData->active = false;

  103.         }

  104. 

  105.         if (fSynth != nullptr)

  106.         {

  107.             delete_fluid_synth(fSynth);

  108.             fSynth = nullptr;

  109.         }

  110. 

  111.         if (fSettings != nullptr)

  112.         {

  113.             delete_fluid_settings(fSettings);

  114.             fSettings = nullptr;

  115.         }

  116. 

  117.         if (fLabel != nullptr)

  118.         {

  119.             delete[] fLabel;

  120.             fLabel = nullptr;

  121.         }

  122. 

  123.         clearBuffers();

  124.     }

  125. 

  126.     // -------------------------------------------------------------------

  127.     // Information (base)

  128. 

  129.     PluginType getType() const noexcept override

  130.     {

  131.         return PLUGIN_FILE_SF2;

  132.     }

  133. 

  134.     PluginCategory getCategory() const noexcept override

  135.     {

  136.         return PLUGIN_CATEGORY_SYNTH;

  137.     }

  138. 

  139.     // -------------------------------------------------------------------

  140.     // Information (count)

  141. 

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

  143.     {

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

  145. 

  146.         switch (parameterId)

  147.         {

  148.         case FluidSynthChorusType:

  149.             return 2;

  150.         case FluidSynthInterpolation:

  151.             return 4;

  152.         default:

  153.             return 0;

  154.         }

  155.     }

  156. 

  157.     // -------------------------------------------------------------------

  158.     // Information (current data)

  159. 

  160.     // nothing

  161. 

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

  163.     // Information (per-plugin data)

  164. 

  165.     unsigned int getOptionsAvailable() const noexcept override

  166.     {

  167.         unsigned int options = 0x0;

  168. 

  169.         options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  170.         options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  171.         options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  172.         options |= PLUGIN_OPTION_SEND_PITCHBEND;

  173.         options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  174. 

  175.         return options;

  176.     }

  177. 

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

  179.     {

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

  181. 

  182.         return fParamBuffers[parameterId];

  183.     }

  184. 

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

  186.     {

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

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

  189. 

  190.         switch (parameterId)

  191.         {

  192.         case FluidSynthChorusType:

  193.             switch (scalePointId)

  194.             {

  195.             case 0:

  196.                 return FLUID_CHORUS_MOD_SINE;

  197.             case 1:

  198.                 return FLUID_CHORUS_MOD_TRIANGLE;

  199.             default:

  200.                 return FLUID_CHORUS_DEFAULT_TYPE;

  201.             }

  202.         case FluidSynthInterpolation:

  203.             switch (scalePointId)

  204.             {

  205.             case 0:

  206.                 return FLUID_INTERP_NONE;

  207.             case 1:

  208.                 return FLUID_INTERP_LINEAR;

  209.             case 2:

  210.                 return FLUID_INTERP_4THORDER;

  211.             case 3:

  212.                 return FLUID_INTERP_7THORDER;

  213.             default:

  214.                 return FLUID_INTERP_DEFAULT;

  215.             }

  216.         default:

  217.             return 0.0f;

  218.         }

  219.     }

  220. 

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

  222.     {

  223.         if (fLabel != nullptr)

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

  225.         else

  226.             CarlaPlugin::getLabel(strBuf);

  227.     }

  228. 

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

  230.     {

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

  232.     }

  233. 

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

  235.     {

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

  237.     }

  238. 

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

  240.     {

  241.         getLabel(strBuf);

  242.     }

  243. 

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

  245.     {

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

  247. 

  248.         switch (parameterId)

  249.         {

  250.         case FluidSynthReverbOnOff:

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

  252.             break;

  253.         case FluidSynthReverbRoomSize:

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

  255.             break;

  256.         case FluidSynthReverbDamp:

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

  258.             break;

  259.         case FluidSynthReverbLevel:

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

  261.             break;

  262.         case FluidSynthReverbWidth:

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

  264.             break;

  265.         case FluidSynthChorusOnOff:

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

  267.             break;

  268.         case FluidSynthChorusNr:

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

  270.             break;

  271.         case FluidSynthChorusLevel:

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

  273.             break;

  274.         case FluidSynthChorusSpeedHz:

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

  276.             break;

  277.         case FluidSynthChorusDepthMs:

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

  279.             break;

  280.         case FluidSynthChorusType:

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

  282.             break;

  283.         case FluidSynthPolyphony:

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

  285.             break;

  286.         case FluidSynthInterpolation:

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

  288.             break;

  289.         case FluidSynthVoiceCount:

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

  291.             break;

  292.         default:

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

  294.             break;

  295.         }

  296.     }

  297. 

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

  299.     {

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

  301. 

  302.         switch (parameterId)

  303.         {

  304.         case FluidSynthChorusSpeedHz:

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

  306.             break;

  307.         case FluidSynthChorusDepthMs:

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

  309.             break;

  310.         default:

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

  312.             break;

  313.         }

  314.     }

  315. 

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

  317.     {

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

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

  320. 

  321.         switch (parameterId)

  322.         {

  323.         case FluidSynthChorusType:

  324.             switch (scalePointId)

  325.             {

  326.             case 0:

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

  328.                 return;

  329.             case 1:

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

  331.                 return;

  332.             }

  333.         case FluidSynthInterpolation:

  334.             switch (scalePointId)

  335.             {

  336.             case 0:

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

  338.                 return;

  339.             case 1:

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

  341.                 return;

  342.             case 2:

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

  344.                 return;

  345.             case 3:

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

  347.                 return;

  348.             }

  349.         }

  350. 

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

  352.     }

  353. 

  354.     // -------------------------------------------------------------------

  355.     // Set data (state)

  356. 

  357.     void prepareForSave() override

  358.     {

  359.         char strBuf[STR_MAX+1];

  360.         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],

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

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

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

  364. 

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

  366.     }

  367. 

  368.     // -------------------------------------------------------------------

  369.     // Set data (internal stuff)

  370. 

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

  372.     {

  373.         if (channel < MAX_MIDI_CHANNELS)

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

  375. 

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

  377.     }

  378. 

  379.     // -------------------------------------------------------------------

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

  381. 

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

  383.     {

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

  385. 

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

  387.         fParamBuffers[parameterId] = fixedValue;

  388. 

  389.         {

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

  391. 

  392.             switch (parameterId)

  393.             {

  394.             case FluidSynthReverbOnOff:

  395.                 try {

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

  397.                 } catch(...) {}

  398.                 break;

  399. 

  400.             case FluidSynthReverbRoomSize:

  401.             case FluidSynthReverbDamp:

  402.             case FluidSynthReverbLevel:

  403.             case FluidSynthReverbWidth:

  404.                 try {

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

  406.                 } catch(...) {}

  407.                 break;

  408. 

  409.             case FluidSynthChorusOnOff:

  410.                 try {

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

  412.                 } catch(...) {}

  413.                 break;

  414. 

  415.             case FluidSynthChorusNr:

  416.             case FluidSynthChorusLevel:

  417.             case FluidSynthChorusSpeedHz:

  418.             case FluidSynthChorusDepthMs:

  419.             case FluidSynthChorusType:

  420.                 try {

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

  422.                 } catch(...) {}

  423.                 break;

  424. 

  425.             case FluidSynthPolyphony:

  426.                 try {

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

  428.                 } catch(...) {}

  429.                 break;

  430. 

  431.             case FluidSynthInterpolation:

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

  433.                 {

  434.                     try {

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

  436.                     }

  437.                     catch(...) {

  438.                         break;

  439.                     }

  440.                 }

  441.                 break;

  442. 

  443.             default:

  444.                 break;

  445.             }

  446.         }

  447. 

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

  449.     }

  450. 

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

  452.     {

  453.         CARLA_SAFE_ASSERT_RETURN(fSynth != nullptr,);

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

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

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

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

  458. 

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

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

  461. 

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

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

  464. 

  465.         if (fUses16Outs)

  466.         {

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

  468. 

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

  470.             {

  471.                 uint i = 0;

  472.                 foreach (const QString& midiProg, midiProgramList)

  473.                 {

  474.                     CARLA_SAFE_ASSERT_BREAK(i < MAX_MIDI_CHANNELS);

  475. 

  476.                     bool ok;

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

  478. 

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

  480.                     {

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

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

  483. 

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

  485.                         fCurMidiProgs[i] = index;

  486. 

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

  488.                         {

  489.                             pData->midiprog.current = index;

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

  491.                         }

  492.                     }

  493. 

  494.                     ++i;

  495.                 }

  496. 

  497.                 CARLA_SAFE_ASSERT(i == MAX_MIDI_CHANNELS);

  498.             }

  499.         }

  500. 

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

  502.     }

  503. 

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

  505.     {

  506.         CARLA_SAFE_ASSERT_RETURN(fSynth != nullptr,);

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

  508. 

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

  510.         {

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

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

  513. 

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

  515. 

  516.             try {

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

  518.             } catch(...) {}

  519. 

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

  521.         }

  522. 

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

  524.     }

  525. 

  526.     // -------------------------------------------------------------------

  527.     // Set ui stuff

  528. 

  529.     // nothing

  530. 

  531.     // -------------------------------------------------------------------

  532.     // Plugin state

  533. 

  534.     void reload() override

  535.     {

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

  537.         CARLA_SAFE_ASSERT_RETURN(fSynth != nullptr,);

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

  539. 

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

  541. 

  542.         // Safely disable plugin for reload

  543.         const ScopedDisabler sd(this);

  544. 

  545.         if (pData->active)

  546.             deactivate();

  547. 

  548.         clearBuffers();

  549. 

  550.         uint32_t aOuts, params;

  551.         aOuts  = fUses16Outs ? 32 : 2;

  552.         params = FluidSynthParametersMax;

  553. 

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

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

  556. 

  557.         const int portNameSize(pData->engine->getMaxPortNameSize());

  558.         CarlaString portName;

  559. 

  560.         // ---------------------------------------

  561.         // Audio Outputs

  562. 

  563.         if (fUses16Outs)

  564.         {

  565.             for (int i=0; i < 32; ++i)

  566.             {

  567.                 portName.clear();

  568. 

  569.                 if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  570.                 {

  571.                     portName  = pData->name;

  572.                     portName += ":";

  573.                 }

  574. 

  575.                 portName += "out-";

  576. 

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

  578.                     portName += "0";

  579. 

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

  581. 

  582.                 if (i % 2 == 0)

  583.                     portName += "L";

  584.                 else

  585.                     portName += "R";

  586. 

  587.                 portName.truncate(portNameSize);

  588. 

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

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

  591.             }

  592. 

  593.             fAudio16Buffers = new float*[aOuts];

  594. 

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

  596.                 fAudio16Buffers[i] = nullptr;

  597.         }

  598.         else

  599.         {

  600.             // out-left

  601.             portName.clear();

  602. 

  603.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  604.             {

  605.                 portName  = pData->name;

  606.                 portName += ":";

  607.             }

  608. 

  609.             portName += "out-left";

  610.             portName.truncate(portNameSize);

  611. 

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

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

  614. 

  615.             // out-right

  616.             portName.clear();

  617. 

  618.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  619.             {

  620.                 portName  = pData->name;

  621.                 portName += ":";

  622.             }

  623. 

  624.             portName += "out-right";

  625.             portName.truncate(portNameSize);

  626. 

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

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

  629.         }

  630. 

  631.         // ---------------------------------------

  632.         // Event Input

  633. 

  634.         {

  635.             portName.clear();

  636. 

  637.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  638.             {

  639.                 portName  = pData->name;

  640.                 portName += ":";

  641.             }

  642. 

  643.             portName += "events-in";

  644.             portName.truncate(portNameSize);

  645. 

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

  647.         }

  648. 

  649.         // ---------------------------------------

  650.         // Event Output

  651. 

  652.         {

  653.             portName.clear();

  654. 

  655.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  656.             {

  657.                 portName  = pData->name;

  658.                 portName += ":";

  659.             }

  660. 

  661.             portName += "events-out";

  662.             portName.truncate(portNameSize);

  663. 

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

  665.         }

  666. 

  667.         // ---------------------------------------

  668.         // Parameters

  669. 

  670.         {

  671.             int j;

  672. 

  673.             // ----------------------

  674.             j = FluidSynthReverbOnOff;

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

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

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

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

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

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

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

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

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

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

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

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

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

  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].midiChannel = 0;

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

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

  704. 

  705.             // ----------------------

  706.             j = FluidSynthReverbDamp;

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

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

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

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

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

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

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

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

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

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

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

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

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

  720. 

  721.             // ----------------------

  722.             j = FluidSynthReverbLevel;

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

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

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

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

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

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

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

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

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

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

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

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

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

  736. 

  737.             // ----------------------

  738.             j = FluidSynthReverbWidth;

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

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

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

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

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

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

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

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

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

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

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

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

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

  752. 

  753.             // ----------------------

  754.             j = FluidSynthChorusOnOff;

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

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

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

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

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

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

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

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

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

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

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

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

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

  768. 

  769.             // ----------------------

  770.             j = FluidSynthChorusNr;

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

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

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

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

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

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

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

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

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

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

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

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

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

  784. 

  785.             // ----------------------

  786.             j = FluidSynthChorusLevel;

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

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

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

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

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

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

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

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

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

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

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

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

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

  800. 

  801.             // ----------------------

  802.             j = FluidSynthChorusSpeedHz;

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

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

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

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

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

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

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

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

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

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

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

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

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

  816. 

  817.             // ----------------------

  818.             j = FluidSynthChorusDepthMs;

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

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

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

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

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

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

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

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

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

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

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

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

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

  832. 

  833.             // ----------------------

  834.             j = FluidSynthChorusType;

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

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

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

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

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

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

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

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

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

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

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

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

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

  848. 

  849.             // ----------------------

  850.             j = FluidSynthPolyphony;

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

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

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

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

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

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

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

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

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

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

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

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

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

  864. 

  865.             // ----------------------

  866.             j = FluidSynthInterpolation;

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

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

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

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

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

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

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

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

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

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

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

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

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

  880. 

  881.             // ----------------------

  882.             j = FluidSynthVoiceCount;

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

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

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

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

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

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

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

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

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

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

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

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

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

  896.         }

  897. 

  898.         // ---------------------------------------

  899. 

  900.         // plugin hints

  901.         pData->hints  = 0x0;

  902.         pData->hints |= PLUGIN_IS_SYNTH;

  903.         pData->hints |= PLUGIN_CAN_VOLUME;

  904. 

  905.         if (! fUses16Outs)

  906.             pData->hints |= PLUGIN_CAN_BALANCE;

  907. 

  908.         // extra plugin hints

  909.         pData->extraHints  = 0x0;

  910.         pData->extraHints |= PLUGIN_EXTRA_HINT_HAS_MIDI_IN;

  911. 

  912.         if (! fUses16Outs)

  913.             pData->extraHints |= PLUGIN_EXTRA_HINT_CAN_RUN_RACK;

  914. 

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

  916.         reloadPrograms(true);

  917. 

  918.         if (pData->active)

  919.             activate();

  920. 

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

  922.     }

  923. 

  924.     void reloadPrograms(const bool init) override

  925.     {

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

  927. 

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

  929.         bool hasDrums = false;

  930.         uint32_t drumIndex, drumProg;

  931. 

  932.         // Delete old programs

  933.         pData->midiprog.clear();

  934. 

  935.         // Query new programs

  936.         uint32_t count = 0;

  937. 

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

  939.         {

  940.             fluid_preset_t f_preset;

  941. 

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

  943.             f_sfont->iteration_start(f_sfont);

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

  945.                 ++count;

  946. 

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

  948.             CARLA_SAFE_ASSERT_RETURN(count > 0,);

  949. 

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

  951. 

  952.             // Update data

  953.             uint32_t i = 0;

  954.             f_sfont->iteration_start(f_sfont);

  955. 

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

  957.             {

  958.                 CARLA_SAFE_ASSERT_BREAK(i < count);

  959. 

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

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

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

  963. 

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

  965.                 {

  966.                     hasDrums  = true;

  967.                     drumIndex = i;

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

  969.                 }

  970. 

  971.                 ++i;

  972.             }

  973.         }

  974.         else

  975.         {

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

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

  978.             return;

  979.         }

  980. 

  981. #ifndef BUILD_BRIDGE

  982.         // Update OSC Names

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

  984.         {

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

  986. 

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

  988.                 pData->engine->oscSend_control_set_midi_program_data(pData->id, i, pData->midiprog.data[i].bank, pData->midiprog.data[i].program, pData->midiprog.data[i].name);

  989.         }

  990. #endif

  991. 

  992.         if (init)

  993.         {

  994.             fluid_synth_program_reset(fSynth);

  995. 

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

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

  998.             {

  999. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1000.                 fluid_synth_set_channel_type(fSynth, i, CHANNEL_TYPE_MELODIC);

  1001. #endif

  1002.                 fluid_synth_program_select(fSynth, i, fSynthId, pData->midiprog.data[0].bank, pData->midiprog.data[0].program);

  1003. 

  1004.                 fCurMidiProgs[i] = 0;

  1005.             }

  1006. 

  1007.             if (hasDrums)

  1008.             {

  1009. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1010.                 fluid_synth_set_channel_type(fSynth, 9, CHANNEL_TYPE_DRUM);

  1011. #endif

  1012.                 fluid_synth_program_select(fSynth, 9, fSynthId, 128, drumProg);

  1013. 

  1014.                 fCurMidiProgs[9] = drumIndex;

  1015.             }

  1016.             else

  1017.             {

  1018. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1019.                 fluid_synth_set_channel_type(fSynth, 9, CHANNEL_TYPE_MELODIC);

  1020. #endif

  1021.                 fluid_synth_program_select(fSynth, 9, fSynthId, pData->midiprog.data[0].bank, pData->midiprog.data[0].program);

  1022. 

  1023.                 fCurMidiProgs[9] = 0;

  1024.             }

  1025. 

  1026.             pData->midiprog.current = 0;

  1027.         }

  1028.         else

  1029.         {

  1030.             pData->engine->callback(ENGINE_CALLBACK_RELOAD_PROGRAMS, pData->id, 0, 0, 0.0f, nullptr);

  1031.         }

  1032.     }

  1033. 

  1034.     // -------------------------------------------------------------------

  1035.     // Plugin processing

  1036. 

  1037.     void process(float** const, float** const outBuffer, const uint32_t frames) override

  1038.     {

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

  1040.         // Check if active

  1041. 

  1042.         if (! pData->active)

  1043.         {

  1044.             // disable any output sound

  1045.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1046.                 FLOAT_CLEAR(outBuffer[i], frames);

  1047.             return;

  1048.         }

  1049. 

  1050.         // --------------------------------------------------------------------------------------------------------

  1051.         // Check if needs reset

  1052. 

  1053.         if (pData->needsReset)

  1054.         {

  1055.             if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1056.             {

  1057.                 for (int i=0; i < MAX_MIDI_CHANNELS; ++i)

  1058.                 {

  1059. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1060.                     fluid_synth_all_notes_off(fSynth, i);

  1061.                     fluid_synth_all_sounds_off(fSynth, i);

  1062. #else

  1063.                     fluid_synth_cc(fSynth, i, MIDI_CONTROL_ALL_SOUND_OFF, 0);

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

  1065. #endif

  1066.                 }

  1067.             }

  1068.             else if (pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1069.             {

  1070.                 for (int i=0; i < MAX_MIDI_NOTE; ++i)

  1071.                     fluid_synth_noteoff(fSynth, pData->ctrlChannel, i);

  1072.             }

  1073. 

  1074.             pData->needsReset = false;

  1075.         }

  1076. 

  1077.         // --------------------------------------------------------------------------------------------------------

  1078.         // Event Input and Processing

  1079. 

  1080.         {

  1081.             // ----------------------------------------------------------------------------------------------------

  1082.             // MIDI Input (External)

  1083. 

  1084.             if (pData->extNotes.mutex.tryLock())

  1085.             {

  1086.                 while (! pData->extNotes.data.isEmpty())

  1087.                 {

  1088.                     const ExternalMidiNote& note(pData->extNotes.data.getFirst(true));

  1089. 

  1090.                     CARLA_SAFE_ASSERT_CONTINUE(note.channel >= 0 && note.channel < MAX_MIDI_CHANNELS);

  1091. 

  1092.                     if (note.velo > 0)

  1093.                         fluid_synth_noteon(fSynth, note.channel, note.note, note.velo);

  1094.                     else

  1095.                         fluid_synth_noteoff(fSynth,note.channel, note.note);

  1096.                 }

  1097. 

  1098.                 pData->extNotes.mutex.unlock();

  1099. 

  1100.             } // End of MIDI Input (External)

  1101. 

  1102.             // ----------------------------------------------------------------------------------------------------

  1103.             // Event Input (System)

  1104. 

  1105.             bool allNotesOffSent = false;

  1106. 

  1107.             uint32_t time, nEvents = pData->event.portIn->getEventCount();

  1108.             uint32_t timeOffset = 0;

  1109. 

  1110.             uint32_t nextBankIds[MAX_MIDI_CHANNELS] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 0, 0, 0, 0, 0, 0 };

  1111. 

  1112.             if (pData->midiprog.current >= 0 && pData->midiprog.count > 0 && pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1113.                 nextBankIds[pData->ctrlChannel] = pData->midiprog.data[pData->midiprog.current].bank;

  1114. 

  1115.             for (uint32_t i=0; i < nEvents; ++i)

  1116.             {

  1117.                 const EngineEvent& event(pData->event.portIn->getEvent(i));

  1118. 

  1119.                 time = event.time;

  1120. 

  1121.                 CARLA_SAFE_ASSERT_CONTINUE(time < frames);

  1122.                 CARLA_SAFE_ASSERT_BREAK(time >= timeOffset);

  1123. 

  1124.                 if (time > timeOffset)

  1125.                 {

  1126.                     if (processSingle(outBuffer, time - timeOffset, timeOffset))

  1127.                     {

  1128.                         timeOffset = time;

  1129. 

  1130.                         if (pData->midiprog.current >= 0 && pData->midiprog.count > 0 && pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1131.                             nextBankIds[pData->ctrlChannel] = pData->midiprog.data[pData->midiprog.current].bank;

  1132.                     }

  1133.                 }

  1134. 

  1135.                 // Control change

  1136.                 switch (event.type)

  1137.                 {

  1138.                 case kEngineEventTypeNull:

  1139.                     break;

  1140. 

  1141.                 case kEngineEventTypeControl:

  1142.                 {

  1143.                     const EngineControlEvent& ctrlEvent = event.ctrl;

  1144. 

  1145.                     switch (ctrlEvent.type)

  1146.                     {

  1147.                     case kEngineControlEventTypeNull:

  1148.                         break;

  1149. 

  1150.                     case kEngineControlEventTypeParameter:

  1151.                     {

  1152. #ifndef BUILD_BRIDGE

  1153.                         // Control backend stuff

  1154.                         if (event.channel == pData->ctrlChannel)

  1155.                         {

  1156.                             float value;

  1157. 

  1158.                             if (MIDI_IS_CONTROL_BREATH_CONTROLLER(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_DRYWET) != 0)

  1159.                             {

  1160.                                 value = ctrlEvent.value;

  1161.                                 setDryWet(value, false, false);

  1162.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_DRYWET, 0, value);

  1163.                             }

  1164. 

  1165.                             if (MIDI_IS_CONTROL_CHANNEL_VOLUME(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_VOLUME) != 0)

  1166.                             {

  1167.                                 value = ctrlEvent.value*127.0f/100.0f;

  1168.                                 setVolume(value, false, false);

  1169.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_VOLUME, 0, value);

  1170.                             }

  1171. 

  1172.                             if (MIDI_IS_CONTROL_BALANCE(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_BALANCE) != 0)

  1173.                             {

  1174.                                 float left, right;

  1175.                                 value = ctrlEvent.value/0.5f - 1.0f;

  1176. 

  1177.                                 if (value < 0.0f)

  1178.                                 {

  1179.                                     left  = -1.0f;

  1180.                                     right = (value*2.0f)+1.0f;

  1181.                                 }

  1182.                                 else if (value > 0.0f)

  1183.                                 {

  1184.                                     left  = (value*2.0f)-1.0f;

  1185.                                     right = 1.0f;

  1186.                                 }

  1187.                                 else

  1188.                                 {

  1189.                                     left  = -1.0f;

  1190.                                     right = 1.0f;

  1191.                                 }

  1192. 

  1193.                                 setBalanceLeft(left, false, false);

  1194.                                 setBalanceRight(right, false, false);

  1195.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_LEFT, 0, left);

  1196.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_RIGHT, 0, right);

  1197.                             }

  1198.                         }

  1199. #endif

  1200. 

  1201.                         // Control plugin parameters

  1202.                         for (uint32_t k=0; k < pData->param.count; ++k)

  1203.                         {

  1204.                             if (pData->param.data[k].midiChannel != event.channel)

  1205.                                 continue;

  1206.                             if (pData->param.data[k].midiCC != ctrlEvent.param)

  1207.                                 continue;

  1208.                             if (pData->param.data[k].hints != PARAMETER_INPUT)

  1209.                                 continue;

  1210.                             if ((pData->param.data[k].hints & PARAMETER_IS_AUTOMABLE) == 0)

  1211.                                 continue;

  1212. 

  1213.                             float value;

  1214. 

  1215.                             if (pData->param.data[k].hints & PARAMETER_IS_BOOLEAN)

  1216.                             {

  1217.                                 value = (ctrlEvent.value < 0.5f) ? pData->param.ranges[k].min : pData->param.ranges[k].max;

  1218.                             }

  1219.                             else

  1220.                             {

  1221.                                 value = pData->param.ranges[k].getUnnormalizedValue(ctrlEvent.value);

  1222. 

  1223.                                 if (pData->param.data[k].hints & PARAMETER_IS_INTEGER)

  1224.                                     value = std::rint(value);

  1225.                             }

  1226. 

  1227.                             setParameterValue(k, value, false, false, false);

  1228.                             pData->postponeRtEvent(kPluginPostRtEventParameterChange, static_cast<int32_t>(k), 0, value);

  1229.                         }

  1230. 

  1231.                         if ((pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0 && ctrlEvent.param <= 0x5F)

  1232.                         {

  1233.                             fluid_synth_cc(fSynth, event.channel, ctrlEvent.param, int(ctrlEvent.value*127.0f));

  1234.                         }

  1235. 

  1236.                         break;

  1237.                     }

  1238. 

  1239.                     case kEngineControlEventTypeMidiBank:

  1240.                         if (event.channel < MAX_MIDI_CHANNELS && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1241.                             nextBankIds[event.channel] = ctrlEvent.param;

  1242.                         break;

  1243. 

  1244.                     case kEngineControlEventTypeMidiProgram:

  1245.                         if (event.channel < MAX_MIDI_CHANNELS && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1246.                         {

  1247.                             const uint32_t bankId(nextBankIds[event.channel]);

  1248.                             const uint32_t progId(ctrlEvent.param);

  1249. 

  1250.                             for (uint32_t k=0; k < pData->midiprog.count; ++k)

  1251.                             {

  1252.                                 if (pData->midiprog.data[k].bank == bankId && pData->midiprog.data[k].program == progId)

  1253.                                 {

  1254.                                     fluid_synth_program_select(fSynth, event.channel, fSynthId, bankId, progId);

  1255.                                     fCurMidiProgs[event.channel] = k;

  1256. 

  1257.                                     if (event.channel == pData->ctrlChannel)

  1258.                                         pData->postponeRtEvent(kPluginPostRtEventMidiProgramChange, k, 0, 0.0f);

  1259. 

  1260.                                     break;

  1261.                                 }

  1262.                             }

  1263.                         }

  1264.                         break;

  1265. 

  1266.                     case kEngineControlEventTypeAllSoundOff:

  1267.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1268.                         {

  1269. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1270.                             fluid_synth_all_sounds_off(fSynth, event.channel);

  1271. #else

  1272.                             fluid_synth_cc(fSynth, event.channel, MIDI_CONTROL_ALL_SOUND_OFF, 0);

  1273. #endif

  1274.                         }

  1275.                         break;

  1276. 

  1277.                     case kEngineControlEventTypeAllNotesOff:

  1278.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1279.                         {

  1280.                             if (event.channel == pData->ctrlChannel && ! allNotesOffSent)

  1281.                             {

  1282.                                 allNotesOffSent = true;

  1283.                                 sendMidiAllNotesOffToCallback();

  1284.                             }

  1285. 

  1286. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1287.                             fluid_synth_all_notes_off(fSynth, event.channel);

  1288. #else

  1289.                             fluid_synth_cc(fSynth, event.channel, MIDI_CONTROL_ALL_NOTES_OFF, 0);

  1290. #endif

  1291.                         }

  1292.                         break;

  1293.                     }

  1294. 

  1295.                     break;

  1296.                 }

  1297. 

  1298.                 case kEngineEventTypeMidi:

  1299.                 {

  1300.                     const EngineMidiEvent& midiEvent(event.midi);

  1301. 

  1302.                     uint8_t status  = uint8_t(MIDI_GET_STATUS_FROM_DATA(midiEvent.data));

  1303.                     uint8_t channel = event.channel;

  1304. 

  1305.                     // Fix bad note-off

  1306.                     if (MIDI_IS_STATUS_NOTE_ON(status) && midiEvent.data[2] == 0)

  1307.                         status = MIDI_STATUS_NOTE_OFF;

  1308. 

  1309.                     if (MIDI_IS_STATUS_NOTE_OFF(status))

  1310.                     {

  1311.                         const uint8_t note = midiEvent.data[1];

  1312. 

  1313.                         fluid_synth_noteoff(fSynth, channel, note);

  1314. 

  1315.                         pData->postponeRtEvent(kPluginPostRtEventNoteOff, channel, note, 0.0f);

  1316.                     }

  1317.                     else if (MIDI_IS_STATUS_NOTE_ON(status))

  1318.                     {

  1319.                         const uint8_t note = midiEvent.data[1];

  1320.                         const uint8_t velo = midiEvent.data[2];

  1321. 

  1322.                         fluid_synth_noteon(fSynth, channel, note, velo);

  1323. 

  1324.                         pData->postponeRtEvent(kPluginPostRtEventNoteOn, channel, note, velo);

  1325.                     }

  1326.                     else if (MIDI_IS_STATUS_POLYPHONIC_AFTERTOUCH(status) && (pData->options & PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH) != 0)

  1327.                     {

  1328.                         //const uint8_t note     = midiEvent.data[1];

  1329.                         //const uint8_t pressure = midiEvent.data[2];

  1330. 

  1331.                         // TODO, not in fluidsynth API

  1332.                     }

  1333.                     else if (MIDI_IS_STATUS_CONTROL_CHANGE(status) && (pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0)

  1334.                     {

  1335.                         const uint8_t control = midiEvent.data[1];

  1336.                         const uint8_t value   = midiEvent.data[2];

  1337. 

  1338.                         fluid_synth_cc(fSynth, channel, control, value);

  1339.                     }

  1340.                     else if (MIDI_IS_STATUS_CHANNEL_PRESSURE(status) && (pData->options & PLUGIN_OPTION_SEND_CHANNEL_PRESSURE) != 0)

  1341.                     {

  1342.                         const uint8_t pressure = midiEvent.data[1];

  1343. 

  1344.                         fluid_synth_channel_pressure(fSynth, channel, pressure);;

  1345.                     }

  1346.                     else if (MIDI_IS_STATUS_PITCH_WHEEL_CONTROL(status) && (pData->options & PLUGIN_OPTION_SEND_PITCHBEND) != 0)

  1347.                     {

  1348.                         const uint8_t lsb   = midiEvent.data[1];

  1349.                         const uint8_t msb   = midiEvent.data[2];

  1350.                         const int     value = ((msb << 7) | lsb) - 8192;

  1351. 

  1352.                         fluid_synth_pitch_bend(fSynth, channel, value);

  1353.                     }

  1354. 

  1355.                     break;

  1356.                 }

  1357.                 }

  1358.             }

  1359. 

  1360.             pData->postRtEvents.trySplice();

  1361. 

  1362.             if (frames > timeOffset)

  1363.                 processSingle(outBuffer, frames - timeOffset, timeOffset);

  1364. 

  1365.         } // End of Event Input and Processing

  1366. 

  1367.         CARLA_PROCESS_CONTINUE_CHECK;

  1368. 

  1369.         // --------------------------------------------------------------------------------------------------------

  1370.         // Control Output

  1371. 

  1372.         {

  1373.             uint32_t k = FluidSynthVoiceCount;

  1374.             fParamBuffers[k] = float(fluid_synth_get_active_voice_count(fSynth));

  1375.             pData->param.ranges[k].fixValue(fParamBuffers[k]);

  1376. 

  1377.             if (pData->param.data[k].midiCC > 0)

  1378.             {

  1379.                 float value(pData->param.ranges[k].getNormalizedValue(fParamBuffers[k]));

  1380.                 pData->event.portOut->writeControlEvent(0, pData->param.data[k].midiChannel, kEngineControlEventTypeParameter, pData->param.data[k].midiCC, value);

  1381.             }

  1382. 

  1383.         } // End of Control Output

  1384.     }

  1385. 

  1386.     bool processSingle(float** const outBuffer, const uint32_t frames, const uint32_t timeOffset)

  1387.     {

  1388.         CARLA_SAFE_ASSERT_RETURN(outBuffer != nullptr, false);

  1389.         CARLA_SAFE_ASSERT_RETURN(frames > 0, false);

  1390. 

  1391.         // --------------------------------------------------------------------------------------------------------

  1392.         // Try lock, silence otherwise

  1393. 

  1394.         if (pData->engine->isOffline())

  1395.         {

  1396.             pData->singleMutex.lock();

  1397.         }

  1398.         else if (! pData->singleMutex.tryLock())

  1399.         {

  1400.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1401.             {

  1402.                 for (uint32_t k=0; k < frames; ++k)

  1403.                     outBuffer[i][k+timeOffset] = 0.0f;

  1404.             }

  1405. 

  1406.             return false;

  1407.         }

  1408. 

  1409.         // --------------------------------------------------------------------------------------------------------

  1410.         // Fill plugin buffers and Run plugin

  1411. 

  1412.         if (fUses16Outs)

  1413.         {

  1414.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1415.                 FLOAT_CLEAR(fAudio16Buffers[i], frames);

  1416. 

  1417.             fluid_synth_process(fSynth, frames, 0, nullptr, pData->audioOut.count, fAudio16Buffers);

  1418.         }

  1419.         else

  1420.             fluid_synth_write_float(fSynth, frames, outBuffer[0] + timeOffset, 0, 1, outBuffer[1] + timeOffset, 0, 1);

  1421. 

  1422. #ifndef BUILD_BRIDGE

  1423.         // --------------------------------------------------------------------------------------------------------

  1424.         // Post-processing (volume and balance)

  1425. 

  1426.         {

  1427.             // note - balance not possible with fUses16Outs, so we can safely skip fAudioOutBuffers

  1428.             const bool doVolume  = (pData->hints & PLUGIN_CAN_VOLUME) > 0 && pData->postProc.volume != 1.0f;

  1429.             const bool doBalance = (pData->hints & PLUGIN_CAN_BALANCE) > 0 && (pData->postProc.balanceLeft != -1.0f || pData->postProc.balanceRight != 1.0f);

  1430. 

  1431.             float oldBufLeft[doBalance ? frames : 1];

  1432. 

  1433.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1434.             {

  1435.                 // Balance

  1436.                 if (doBalance)

  1437.                 {

  1438.                     if (i % 2 == 0)

  1439.                         FLOAT_COPY(oldBufLeft, outBuffer[i]+timeOffset, frames);

  1440. 

  1441.                     float balRangeL = (pData->postProc.balanceLeft  + 1.0f)/2.0f;

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

  1443. 

  1444.                     for (uint32_t k=0; k < frames; ++k)

  1445.                     {

  1446.                         if (i % 2 == 0)

  1447.                         {

  1448.                             // left

  1449.                             outBuffer[i][k+timeOffset]  = oldBufLeft[k]                * (1.0f - balRangeL);

  1450.                             outBuffer[i][k+timeOffset] += outBuffer[i+1][k+timeOffset] * (1.0f - balRangeR);

  1451.                         }

  1452.                         else

  1453.                         {

  1454.                             // right

  1455.                             outBuffer[i][k+timeOffset]  = outBuffer[i][k+timeOffset] * balRangeR;

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

  1457.                         }

  1458.                     }

  1459.                 }

  1460. 

  1461.                 // Volume

  1462.                 if (fUses16Outs)

  1463.                 {

  1464.                     for (uint32_t k=0; k < frames; ++k)

  1465.                         outBuffer[i][k+timeOffset] = fAudio16Buffers[i][k] * pData->postProc.volume;

  1466.                 }

  1467.                 else if (doVolume)

  1468.                 {

  1469.                     for (uint32_t k=0; k < frames; ++k)

  1470.                         outBuffer[i][k+timeOffset] *= pData->postProc.volume;

  1471.                 }

  1472.             }

  1473. 

  1474.         } // End of Post-processing

  1475. #else

  1476.         if (fUses16Outs)

  1477.         {

  1478.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1479.             {

  1480.                 for (uint32_t k=0; k < frames; ++k)

  1481.                     outBuffer[i][k+timeOffset] = fAudio16Buffers[i][k];

  1482.             }

  1483.         }

  1484. #endif

  1485. 

  1486.         // --------------------------------------------------------------------------------------------------------

  1487. 

  1488.         pData->singleMutex.unlock();

  1489.         return true;

  1490.     }

  1491. 

  1492.     void bufferSizeChanged(const uint32_t newBufferSize) override

  1493.     {

  1494.         if (! fUses16Outs)

  1495.             return;

  1496. 

  1497.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1498.         {

  1499.             if (fAudio16Buffers[i] != nullptr)

  1500.                 delete[] fAudio16Buffers[i];

  1501.             fAudio16Buffers[i] = new float[newBufferSize];

  1502.         }

  1503.     }

  1504. 

  1505.     void sampleRateChanged(const double newSampleRate) override

  1506.     {

  1507.         CARLA_SAFE_ASSERT_RETURN(fSettings != nullptr,);

  1508. 

  1509.         fluid_settings_setnum(fSettings, "synth.sample-rate", newSampleRate);

  1510. 

  1511. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1512.         CARLA_SAFE_ASSERT_RETURN(fSynth != nullptr,);

  1513. 

  1514.         fluid_synth_set_sample_rate(fSynth, float(newSampleRate));

  1515. #endif

  1516.     }

  1517. 

  1518.     // -------------------------------------------------------------------

  1519.     // Plugin buffers

  1520. 

  1521.     void clearBuffers() override

  1522.     {

  1523.         carla_debug("FluidSynthPlugin::clearBuffers() - start");

  1524. 

  1525.         if (fAudio16Buffers != nullptr)

  1526.         {

  1527.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1528.             {

  1529.                 if (fAudio16Buffers[i] != nullptr)

  1530.                 {

  1531.                     delete[] fAudio16Buffers[i];

  1532.                     fAudio16Buffers[i] = nullptr;

  1533.                 }

  1534.             }

  1535. 

  1536.             delete[] fAudio16Buffers;

  1537.             fAudio16Buffers = nullptr;

  1538.         }

  1539. 

  1540.         CarlaPlugin::clearBuffers();

  1541. 

  1542.         carla_debug("FluidSynthPlugin::clearBuffers() - end");

  1543.     }

  1544. 

  1545.     // -------------------------------------------------------------------

  1546. 

  1547.     const void* getExtraStuff() const noexcept override

  1548.     {

  1549.         static const char xtrue[]  = "true";

  1550.         static const char xfalse[] = "false";

  1551.         return fUses16Outs ? xtrue : xfalse;

  1552.     }

  1553. 

  1554.     bool init(const char* const filename, const char* const name, const char* const label)

  1555.     {

  1556.         CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr, false);

  1557. 

  1558.         // ---------------------------------------------------------------

  1559.         // first checks

  1560. 

  1561.         if (pData->client != nullptr)

  1562.         {

  1563.             pData->engine->setLastError("Plugin client is already registered");

  1564.             return false;

  1565.         }

  1566. 

  1567.         if (fSynth == nullptr)

  1568.         {

  1569.             pData->engine->setLastError("null synth");

  1570.             return false;

  1571.         }

  1572. 

  1573.         if (filename == nullptr || filename[0] == '\0')

  1574.         {

  1575.             pData->engine->setLastError("null filename");

  1576.             return false;

  1577.         }

  1578. 

  1579.         if (label == nullptr || label[0] == '\0')

  1580.         {

  1581.             pData->engine->setLastError("null label");

  1582.             return false;

  1583.         }

  1584. 

  1585.         // ---------------------------------------------------------------

  1586.         // open soundfont

  1587. 

  1588.         fSynthId = fluid_synth_sfload(fSynth, filename, 0);

  1589. 

  1590.         if (fSynthId < 0)

  1591.         {

  1592.             pData->engine->setLastError("Failed to load SoundFont file");

  1593.             return false;

  1594.         }

  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.         // load plugin settings

  1625. 

  1626.         {

  1627.             // set default options

  1628.             pData->options = 0x0;

  1629. 

  1630.             pData->options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  1631.             pData->options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  1632.             pData->options |= PLUGIN_OPTION_SEND_PITCHBEND;

  1633.             pData->options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  1634. 

  1635.             // set identifier string

  1636.             CarlaString identifier("SF2/");

  1637. 

  1638.             if (const char* const shortname = std::strrchr(filename, OS_SEP))

  1639.                 identifier += shortname+1;

  1640.             else

  1641.                 identifier += label;

  1642. 

  1643.             pData->identifier = identifier.dup();

  1644. 

  1645.             // load settings

  1646.             pData->options = pData->loadSettings(pData->options, getOptionsAvailable());

  1647.         }

  1648. 

  1649.         return true;

  1650.     }

  1651. 

  1652. private:

  1653.     enum FluidSynthInputParameters {

  1654.         FluidSynthReverbOnOff    = 0,

  1655.         FluidSynthReverbRoomSize = 1,

  1656.         FluidSynthReverbDamp     = 2,

  1657.         FluidSynthReverbLevel    = 3,

  1658.         FluidSynthReverbWidth    = 4,

  1659.         FluidSynthChorusOnOff    = 5,

  1660.         FluidSynthChorusNr       = 6,

  1661.         FluidSynthChorusLevel    = 7,

  1662.         FluidSynthChorusSpeedHz  = 8,

  1663.         FluidSynthChorusDepthMs  = 9,

  1664.         FluidSynthChorusType     = 10,

  1665.         FluidSynthPolyphony      = 11,

  1666.         FluidSynthInterpolation  = 12,

  1667.         FluidSynthVoiceCount     = 13,

  1668.         FluidSynthParametersMax  = 14

  1669.     };

  1670. 

  1671.     const bool fUses16Outs;

  1672. 

  1673.     fluid_settings_t* fSettings;

  1674.     fluid_synth_t*    fSynth;

  1675.     int               fSynthId;

  1676. 

  1677.     float** fAudio16Buffers;

  1678.     float   fParamBuffers[FluidSynthParametersMax];

  1679. 

  1680.     int32_t fCurMidiProgs[MAX_MIDI_CHANNELS];

  1681. 

  1682.     const char* fLabel;

  1683. 

  1684.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(FluidSynthPlugin)

  1685. };

  1686. 

  1687. CARLA_BACKEND_END_NAMESPACE

  1688. 

  1689. #endif // WANT_FLUIDSYNTH

  1690. 

  1691. CARLA_BACKEND_START_NAMESPACE

  1692. 

  1693. CarlaPlugin* CarlaPlugin::newFluidSynth(const Initializer& init, const bool use16Outs)

  1694. {

  1695.     carla_debug("CarlaPlugin::newFluidSynth({%p, \"%s\", \"%s\", \"%s\"}, %s)", init.engine, init.filename, init.name, init.label, bool2str(use16Outs));

  1696. 

  1697. #ifdef WANT_FLUIDSYNTH

  1698.     if (init.engine->getProccessMode() == ENGINE_PROCESS_MODE_CONTINUOUS_RACK && use16Outs)

  1699.     {

  1700.         init.engine->setLastError("Carla's rack mode can only work with Stereo modules, please choose the 2-channel only SoundFont version");

  1701.         return nullptr;

  1702.     }

  1703. 

  1704.     if (! fluid_is_soundfont(init.filename))

  1705.     {

  1706.         init.engine->setLastError("Requested file is not a valid SoundFont");

  1707.         return nullptr;

  1708.     }

  1709. 

  1710.     FluidSynthPlugin* const plugin(new FluidSynthPlugin(init.engine, init.id,  use16Outs));

  1711. 

  1712.     if (! plugin->init(init.filename, init.name, init.label))

  1713.     {

  1714.         delete plugin;

  1715.         return nullptr;

  1716.     }

  1717. 

  1718.     plugin->reload();

  1719. 

  1720.     return plugin;

  1721. #else

  1722.     init.engine->setLastError("fluidsynth support not available");

  1723.     return nullptr;

  1724. 

  1725.     // unused

  1726.     (void)use16Outs;

  1727. #endif

  1728. }

  1729. 

  1730. CARLA_BACKEND_END_NAMESPACE