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.
1968 Commits
16 Branches
141MB
Tree: 2cb7821f4c
Branches Tags
${ item.name }
Create branch ${ searchTerm }
from '2cb7821f4c'
${ noResults }
Carla/source/backend/plugin/FluidSynthPlugin.cpp

1737 lines
63KB
Raw Blame History 

  1. /*

  2.  * Carla FluidSynth Plugin

  3.  * Copyright (C) 2011-2014 Filipe Coelho <falktx@falktx.com>

  4.  *

  5.  * This program is free software; you can redistribute it and/or

  6.  * modify it under the terms of the GNU General Public License as

  7.  * published by the Free Software Foundation; either version 2 of

  8.  * the License, or any later version.

  9.  *

  10.  * This program is distributed in the hope that it will be useful,

  11.  * but WITHOUT ANY WARRANTY; without even the implied warranty of

  12.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

  13.  * GNU General Public License for more details.

  14.  *

  15.  * For a full copy of the GNU General Public License see the doc/GPL.txt file.

  16.  */

  17. 

  18. #include "CarlaPluginInternal.hpp"

  19. #include "CarlaEngine.hpp"

  20. 

  21. #ifdef WANT_FLUIDSYNTH

  22. 

  23. #include "CarlaMathUtils.hpp"

  24. 

  25. #include <fluidsynth.h>

  26. 

  27. // FIXME

  28. #include <QtCore/QStringList>

  29. 

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

  31. # define FLUIDSYNTH_VERSION_NEW_API

  32. #endif

  33. 

  34. CARLA_BACKEND_START_NAMESPACE

  35. 

  36. #if 0

  37. }

  38. #endif

  39. 

  40. #define FLUID_DEFAULT_POLYPHONY 64

  41. 

  42. class FluidSynthPlugin : public CarlaPlugin

  43. {

  44. public:

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

  46.         : CarlaPlugin(engine, id),

  47.           fUses16Outs(use16Outs),

  48.           fSettings(nullptr),

  49.           fSynth(nullptr),

  50.           fSynthId(0),

  51.           fAudio16Buffers(nullptr),

  52.           fLabel(nullptr)

  53.     {

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

  55. 

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

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

  58. 

  59.         // create settings

  60.         fSettings = new_fluid_settings();

  61.         CARLA_SAFE_ASSERT_RETURN(fSettings != nullptr,);

  62. 

  63.         // define settings

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

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

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

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

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

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

  70. 

  71.         // create synth

  72.         fSynth = new_fluid_synth(fSettings);

  73.         CARLA_SAFE_ASSERT_RETURN(fSynth != nullptr,);

  74. 

  75. #ifdef FLUIDSYNTH_VERSION_NEW_API

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

  77. #endif

  78. 

  79.         // set default values

  80.         fluid_synth_set_reverb_on(fSynth, 1);

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

  82. 

  83.         fluid_synth_set_chorus_on(fSynth, 1);

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

  85. 

  86.         fluid_synth_set_polyphony(fSynth, FLUID_DEFAULT_POLYPHONY);

  87.         fluid_synth_set_gain(fSynth, 1.0f);

  88. 

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

  90.             fluid_synth_set_interp_method(fSynth, i, FLUID_INTERP_DEFAULT);

  91.     }

  92. 

  93.     ~FluidSynthPlugin() override

  94.     {

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

  96. 

  97.         pData->singleMutex.lock();

  98.         pData->masterMutex.lock();

  99. 

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

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

  102. 

  103.         if (pData->active)

  104.         {

  105.             deactivate();

  106.             pData->active = false;

  107.         }

  108. 

  109.         if (fSynth != nullptr)

  110.         {

  111.             delete_fluid_synth(fSynth);

  112.             fSynth = nullptr;

  113.         }

  114. 

  115.         if (fSettings != nullptr)

  116.         {

  117.             delete_fluid_settings(fSettings);

  118.             fSettings = nullptr;

  119.         }

  120. 

  121.         if (fLabel != nullptr)

  122.         {

  123.             delete[] fLabel;

  124.             fLabel = nullptr;

  125.         }

  126. 

  127.         clearBuffers();

  128.     }

  129. 

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

  131.     // Information (base)

  132. 

  133.     PluginType getType() const noexcept override

  134.     {

  135.         return PLUGIN_SF2;

  136.     }

  137. 

  138.     PluginCategory getCategory() const noexcept override

  139.     {

  140.         return PLUGIN_CATEGORY_SYNTH;

  141.     }

  142. 

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

  144.     // Information (count)

  145. 

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

  147.     {

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

  149. 

  150.         switch (parameterId)

  151.         {

  152.         case FluidSynthChorusType:

  153.             return 2;

  154.         case FluidSynthInterpolation:

  155.             return 4;

  156.         default:

  157.             return 0;

  158.         }

  159.     }

  160. 

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

  162.     // Information (current data)

  163. 

  164.     // nothing

  165. 

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

  167.     // Information (per-plugin data)

  168. 

  169.     uint getOptionsAvailable() const noexcept override

  170.     {

  171.         uint options = 0x0;

  172. 

  173.         options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  174.         options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  175.         options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  176.         options |= PLUGIN_OPTION_SEND_PITCHBEND;

  177.         options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  178. 

  179.         return options;

  180.     }

  181. 

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

  183.     {

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

  185. 

  186.         return fParamBuffers[parameterId];

  187.     }

  188. 

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

  190.     {

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

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

  193. 

  194.         switch (parameterId)

  195.         {

  196.         case FluidSynthChorusType:

  197.             switch (scalePointId)

  198.             {

  199.             case 0:

  200.                 return FLUID_CHORUS_MOD_SINE;

  201.             case 1:

  202.                 return FLUID_CHORUS_MOD_TRIANGLE;

  203.             default:

  204.                 return FLUID_CHORUS_DEFAULT_TYPE;

  205.             }

  206.         case FluidSynthInterpolation:

  207.             switch (scalePointId)

  208.             {

  209.             case 0:

  210.                 return FLUID_INTERP_NONE;

  211.             case 1:

  212.                 return FLUID_INTERP_LINEAR;

  213.             case 2:

  214.                 return FLUID_INTERP_4THORDER;

  215.             case 3:

  216.                 return FLUID_INTERP_7THORDER;

  217.             default:

  218.                 return FLUID_INTERP_DEFAULT;

  219.             }

  220.         default:

  221.             return 0.0f;

  222.         }

  223.     }

  224. 

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

  226.     {

  227.         if (fLabel != nullptr)

  228.         {

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

  230.             return;

  231.         }

  232. 

  233.         CarlaPlugin::getLabel(strBuf);

  234.     }

  235. 

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

  237.     {

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

  239.     }

  240. 

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

  242.     {

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

  244.     }

  245. 

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

  247.     {

  248.         getLabel(strBuf);

  249.     }

  250. 

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

  252.     {

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

  254. 

  255.         switch (parameterId)

  256.         {

  257.         case FluidSynthReverbOnOff:

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

  259.             return;

  260.         case FluidSynthReverbRoomSize:

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

  262.             return;

  263.         case FluidSynthReverbDamp:

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

  265.             return;

  266.         case FluidSynthReverbLevel:

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

  268.             return;

  269.         case FluidSynthReverbWidth:

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

  271.             return;

  272.         case FluidSynthChorusOnOff:

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

  274.             return;

  275.         case FluidSynthChorusNr:

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

  277.             return;

  278.         case FluidSynthChorusLevel:

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

  280.             return;

  281.         case FluidSynthChorusSpeedHz:

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

  283.             return;

  284.         case FluidSynthChorusDepthMs:

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

  286.             return;

  287.         case FluidSynthChorusType:

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

  289.             return;

  290.         case FluidSynthPolyphony:

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

  292.             return;

  293.         case FluidSynthInterpolation:

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

  295.             return;

  296.         case FluidSynthVoiceCount:

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

  298.             return;

  299.         }

  300. 

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

  302.     }

  303. 

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

  305.     {

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

  307. 

  308.         switch (parameterId)

  309.         {

  310.         case FluidSynthChorusSpeedHz:

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

  312.             return;

  313.         case FluidSynthChorusDepthMs:

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

  315.             return;

  316.         }

  317. 

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

  319.     }

  320. 

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

  322.     {

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

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

  325. 

  326.         switch (parameterId)

  327.         {

  328.         case FluidSynthChorusType:

  329.             switch (scalePointId)

  330.             {

  331.             case 0:

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

  333.                 return;

  334.             case 1:

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

  336.                 return;

  337.             }

  338.         case FluidSynthInterpolation:

  339.             switch (scalePointId)

  340.             {

  341.             case 0:

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

  343.                 return;

  344.             case 1:

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

  346.                 return;

  347.             case 2:

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

  349.                 return;

  350.             case 3:

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

  352.                 return;

  353.             }

  354.         }

  355. 

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

  357.     }

  358. 

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

  360.     // Set data (state)

  361. 

  362.     void prepareForSave() override

  363.     {

  364.         char strBuf[STR_MAX+1];

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

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

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

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

  369. 

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

  371.     }

  372. 

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

  374.     // Set data (internal stuff)

  375. 

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

  377.     {

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

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

  380. 

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

  382.     }

  383. 

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

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

  386. 

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

  388.     {

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

  390. 

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

  392.         fParamBuffers[parameterId] = fixedValue;

  393. 

  394.         {

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

  396. 

  397.             switch (parameterId)

  398.             {

  399.             case FluidSynthReverbOnOff:

  400.                 try {

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

  402.                 } catch(...) {}

  403.                 break;

  404. 

  405.             case FluidSynthReverbRoomSize:

  406.             case FluidSynthReverbDamp:

  407.             case FluidSynthReverbLevel:

  408.             case FluidSynthReverbWidth:

  409.                 try {

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

  411.                 } catch(...) {}

  412.                 break;

  413. 

  414.             case FluidSynthChorusOnOff:

  415.                 try {

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

  417.                 } catch(...) {}

  418.                 break;

  419. 

  420.             case FluidSynthChorusNr:

  421.             case FluidSynthChorusLevel:

  422.             case FluidSynthChorusSpeedHz:

  423.             case FluidSynthChorusDepthMs:

  424.             case FluidSynthChorusType:

  425.                 try {

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

  427.                 } catch(...) {}

  428.                 break;

  429. 

  430.             case FluidSynthPolyphony:

  431.                 try {

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

  433.                 } catch(...) {}

  434.                 break;

  435. 

  436.             case FluidSynthInterpolation:

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

  438.                 {

  439.                     try {

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

  441.                     }

  442.                     catch(...) {

  443.                         break;

  444.                     }

  445.                 }

  446.                 break;

  447. 

  448.             default:

  449.                 break;

  450.             }

  451.         }

  452. 

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

  454.     }

  455. 

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

  457.     {

  458.         CARLA_SAFE_ASSERT_RETURN(fSynth != nullptr,);

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

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

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

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

  463. 

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

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

  466. 

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

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

  469. 

  470.         if (fUses16Outs)

  471.         {

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

  473. 

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

  475.             {

  476.                 int i = 0;

  477.                 foreach (const QString& midiProg, midiProgramList)

  478.                 {

  479.                     CARLA_SAFE_ASSERT_BREAK(i < MAX_MIDI_CHANNELS);

  480. 

  481.                     bool ok;

  482.                     int index = midiProg.toInt(&ok);

  483. 

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

  485.                     {

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

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

  488. 

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

  490.                         fCurMidiProgs[i] = index;

  491. 

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

  493.                         {

  494.                             pData->midiprog.current = index;

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

  496.                         }

  497.                     }

  498. 

  499.                     ++i;

  500.                 }

  501. 

  502.                 CARLA_SAFE_ASSERT(i == MAX_MIDI_CHANNELS);

  503.             }

  504.         }

  505. 

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

  507.     }

  508. 

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

  510.     {

  511.         CARLA_SAFE_ASSERT_RETURN(fSynth != nullptr,);

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

  513. 

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

  515.         {

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

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

  518. 

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

  520. 

  521.             try {

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

  523.             } catch(...) {}

  524. 

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

  526.         }

  527. 

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

  529.     }

  530. 

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

  532.     // Set ui stuff

  533. 

  534.     // nothing

  535. 

  536.     // -------------------------------------------------------------------

  537.     // Plugin state

  538. 

  539.     void reload() override

  540.     {

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

  542.         CARLA_SAFE_ASSERT_RETURN(fSynth != nullptr,);

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

  544. 

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

  546. 

  547.         // Safely disable plugin for reload

  548.         const ScopedDisabler sd(this);

  549. 

  550.         if (pData->active)

  551.             deactivate();

  552. 

  553.         clearBuffers();

  554. 

  555.         uint32_t aOuts, params;

  556.         aOuts  = fUses16Outs ? 32 : 2;

  557.         params = FluidSynthParametersMax;

  558. 

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

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

  561. 

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

  563.         CarlaString portName;

  564. 

  565.         // ---------------------------------------

  566.         // Audio Outputs

  567. 

  568.         if (fUses16Outs)

  569.         {

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

  571.             {

  572.                 portName.clear();

  573. 

  574.                 if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  575.                 {

  576.                     portName  = pData->name;

  577.                     portName += ":";

  578.                 }

  579. 

  580.                 portName += "out-";

  581. 

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

  583.                     portName += "0";

  584. 

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

  586. 

  587.                 if (i % 2 == 0)

  588.                     portName += "L";

  589.                 else

  590.                     portName += "R";

  591. 

  592.                 portName.truncate(portNameSize);

  593. 

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

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

  596.             }

  597. 

  598.             fAudio16Buffers = new float*[aOuts];

  599. 

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

  601.                 fAudio16Buffers[i] = nullptr;

  602.         }

  603.         else

  604.         {

  605.             // out-left

  606.             portName.clear();

  607. 

  608.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  609.             {

  610.                 portName  = pData->name;

  611.                 portName += ":";

  612.             }

  613. 

  614.             portName += "out-left";

  615.             portName.truncate(portNameSize);

  616. 

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

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

  619. 

  620.             // out-right

  621.             portName.clear();

  622. 

  623.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  624.             {

  625.                 portName  = pData->name;

  626.                 portName += ":";

  627.             }

  628. 

  629.             portName += "out-right";

  630.             portName.truncate(portNameSize);

  631. 

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

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

  634.         }

  635. 

  636.         // ---------------------------------------

  637.         // Event Input

  638. 

  639.         {

  640.             portName.clear();

  641. 

  642.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  643.             {

  644.                 portName  = pData->name;

  645.                 portName += ":";

  646.             }

  647. 

  648.             portName += "events-in";

  649.             portName.truncate(portNameSize);

  650. 

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

  652.         }

  653. 

  654.         // ---------------------------------------

  655.         // Event Output

  656. 

  657.         {

  658.             portName.clear();

  659. 

  660.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  661.             {

  662.                 portName  = pData->name;

  663.                 portName += ":";

  664.             }

  665. 

  666.             portName += "events-out";

  667.             portName.truncate(portNameSize);

  668. 

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

  670.         }

  671. 

  672.         // ---------------------------------------

  673.         // Parameters

  674. 

  675.         {

  676.             int j;

  677. 

  678.             // ----------------------

  679.             j = FluidSynthReverbOnOff;

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

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

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

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

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

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

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

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

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

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

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

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

  692. 

  693.             // ----------------------

  694.             j = FluidSynthReverbRoomSize;

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

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

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

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

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

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

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

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

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

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

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

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

  707. 

  708.             // ----------------------

  709.             j = FluidSynthReverbDamp;

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

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

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

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

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

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

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

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

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

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

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

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

  722. 

  723.             // ----------------------

  724.             j = FluidSynthReverbLevel;

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

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

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

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

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

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

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

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

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

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

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

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

  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].midiCC = -1;

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

  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. 

  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].midiCC = -1;

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

  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. 

  768.             // ----------------------

  769.             j = FluidSynthChorusNr;

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

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

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

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

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

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

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

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

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

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

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

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

  782. 

  783.             // ----------------------

  784.             j = FluidSynthChorusLevel;

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

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

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

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

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

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

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

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

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

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

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

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

  797. 

  798.             // ----------------------

  799.             j = FluidSynthChorusSpeedHz;

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

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

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

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

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

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

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

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

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

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

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

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

  812. 

  813.             // ----------------------

  814.             j = FluidSynthChorusDepthMs;

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

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

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

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

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

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

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

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

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

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

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

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

  827. 

  828.             // ----------------------

  829.             j = FluidSynthChorusType;

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

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

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

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

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

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

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

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

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

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

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

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

  842. 

  843.             // ----------------------

  844.             j = FluidSynthPolyphony;

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

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

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

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

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

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

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

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

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

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

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

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

  857. 

  858.             // ----------------------

  859.             j = FluidSynthInterpolation;

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

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

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

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

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

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

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

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

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

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

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

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

  872. 

  873.             // ----------------------

  874.             j = FluidSynthVoiceCount;

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

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

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

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

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

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

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

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

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

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

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

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

  887. 

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

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

  890.         }

  891. 

  892.         // ---------------------------------------

  893. 

  894.         // plugin hints

  895.         pData->hints  = 0x0;

  896.         pData->hints |= PLUGIN_IS_SYNTH;

  897.         pData->hints |= PLUGIN_CAN_VOLUME;

  898. 

  899.         if (! fUses16Outs)

  900.             pData->hints |= PLUGIN_CAN_BALANCE;

  901. 

  902.         // extra plugin hints

  903.         pData->extraHints  = 0x0;

  904.         pData->extraHints |= PLUGIN_EXTRA_HINT_HAS_MIDI_IN;

  905. 

  906.         if (fUses16Outs)

  907.             pData->extraHints |= PLUGIN_EXTRA_HINT_USES_MULTI_PROGS;

  908.         else

  909.             pData->extraHints |= PLUGIN_EXTRA_HINT_CAN_RUN_RACK;

  910. 

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

  912.         reloadPrograms(true);

  913. 

  914.         if (pData->active)

  915.             activate();

  916. 

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

  918.     }

  919. 

  920.     void reloadPrograms(const bool doInit) override

  921.     {

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

  923. 

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

  925.         bool hasDrums = false;

  926.         uint32_t drumIndex, drumProg;

  927.         drumIndex = drumProg = 0;

  928. 

  929.         // Delete old programs

  930.         pData->midiprog.clear();

  931. 

  932.         // Query new programs

  933.         uint32_t count = 0;

  934. 

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

  936.         {

  937.             fluid_preset_t f_preset;

  938. 

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

  940.             f_sfont->iteration_start(f_sfont);

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

  942.                 ++count;

  943. 

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

  945.             CARLA_SAFE_ASSERT_RETURN(count > 0,);

  946. 

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

  948. 

  949.             // Update data

  950.             int tmp;

  951.             uint32_t i = 0;

  952.             f_sfont->iteration_start(f_sfont);

  953. 

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

  955.             {

  956.                 CARLA_SAFE_ASSERT_BREAK(i < count);

  957. 

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

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

  960. 

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

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

  963. 

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

  965. 

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

  967.                 {

  968.                     hasDrums  = true;

  969.                     drumIndex = i;

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

  971.                 }

  972. 

  973.                 ++i;

  974.             }

  975.         }

  976.         else

  977.         {

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

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

  980.             return;

  981.         }

  982. 

  983. #ifndef BUILD_BRIDGE

  984.         // Update OSC Names

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

  986.         {

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

  988. 

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

  990.                 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);

  991.         }

  992. #endif

  993. 

  994.         if (doInit)

  995.         {

  996.             fluid_synth_program_reset(fSynth);

  997. 

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

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

  1000.             {

  1001. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1002.                 fluid_synth_set_channel_type(fSynth, i, CHANNEL_TYPE_MELODIC);

  1003. #endif

  1004.                 fluid_synth_program_select(fSynth, i, fSynthId, pData->midiprog.data[0].bank, pData->midiprog.data[0].program);

  1005. 

  1006.                 fCurMidiProgs[i] = 0;

  1007.             }

  1008. 

  1009.             if (hasDrums)

  1010.             {

  1011. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1012.                 fluid_synth_set_channel_type(fSynth, 9, CHANNEL_TYPE_DRUM);

  1013. #endif

  1014.                 fluid_synth_program_select(fSynth, 9, fSynthId, 128, drumProg);

  1015. 

  1016.                 fCurMidiProgs[9] = static_cast<int32_t>(drumIndex);

  1017.             }

  1018.             else

  1019.             {

  1020. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1021.                 fluid_synth_set_channel_type(fSynth, 9, CHANNEL_TYPE_MELODIC);

  1022. #endif

  1023.                 fluid_synth_program_select(fSynth, 9, fSynthId, pData->midiprog.data[0].bank, pData->midiprog.data[0].program);

  1024. 

  1025.                 fCurMidiProgs[9] = 0;

  1026.             }

  1027. 

  1028.             pData->midiprog.current = 0;

  1029.         }

  1030.         else

  1031.         {

  1032.             pData->engine->callback(ENGINE_CALLBACK_RELOAD_PROGRAMS, pData->id, 0, 0, 0.0f, nullptr);

  1033.         }

  1034.     }

  1035. 

  1036.     // -------------------------------------------------------------------

  1037.     // Plugin processing

  1038. 

  1039.     void process(float** const, float** const outBuffer, const uint32_t frames) override

  1040.     {

  1041.         // --------------------------------------------------------------------------------------------------------

  1042.         // Check if active

  1043. 

  1044.         if (! pData->active)

  1045.         {

  1046.             // disable any output sound

  1047.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1048.                 FloatVectorOperations::clear(outBuffer[i], frames);

  1049.             return;

  1050.         }

  1051. 

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

  1053.         // Check if needs reset

  1054. 

  1055.         if (pData->needsReset)

  1056.         {

  1057.             if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1058.             {

  1059.                 for (int i=0; i < MAX_MIDI_CHANNELS; ++i)

  1060.                 {

  1061. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1062.                     fluid_synth_all_notes_off(fSynth, i);

  1063.                     fluid_synth_all_sounds_off(fSynth, i);

  1064. #else

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

  1066.                     fluid_synth_cc(fSynth, i, MIDI_CONTROL_ALL_NOTES_OFF, 0);

  1067. #endif

  1068.                 }

  1069.             }

  1070.             else if (pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1071.             {

  1072.                 for (int i=0; i < MAX_MIDI_NOTE; ++i)

  1073.                     fluid_synth_noteoff(fSynth, pData->ctrlChannel, i);

  1074.             }

  1075. 

  1076.             pData->needsReset = false;

  1077.         }

  1078. 

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

  1080.         // Event Input and Processing

  1081. 

  1082.         {

  1083.             // ----------------------------------------------------------------------------------------------------

  1084.             // MIDI Input (External)

  1085. 

  1086.             if (pData->extNotes.mutex.tryLock())

  1087.             {

  1088.                 for (RtLinkedList<ExternalMidiNote>::Itenerator it = pData->extNotes.data.begin(); it.valid(); it.next())

  1089.                 {

  1090.                     const ExternalMidiNote& note(it.getValue());

  1091. 

  1092.                     CARLA_SAFE_ASSERT_CONTINUE(note.channel >= 0 && note.channel < MAX_MIDI_CHANNELS);

  1093. 

  1094.                     if (note.velo > 0)

  1095.                         fluid_synth_noteon(fSynth, note.channel, note.note, note.velo);

  1096.                     else

  1097.                         fluid_synth_noteoff(fSynth,note.channel, note.note);

  1098.                 }

  1099. 

  1100.                 pData->extNotes.data.clear();

  1101.                 pData->extNotes.mutex.unlock();

  1102. 

  1103.             } // End of MIDI Input (External)

  1104. 

  1105.             // ----------------------------------------------------------------------------------------------------

  1106.             // Event Input (System)

  1107. 

  1108.             bool allNotesOffSent = false;

  1109. 

  1110.             uint32_t time, nEvents = pData->event.portIn->getEventCount();

  1111.             uint32_t timeOffset = 0;

  1112. 

  1113.             uint32_t nextBankIds[MAX_MIDI_CHANNELS] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 0, 0, 0, 0, 0, 0 };

  1114. 

  1115.             if (pData->midiprog.current >= 0 && pData->midiprog.count > 0 && pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1116.                 nextBankIds[pData->ctrlChannel] = pData->midiprog.data[pData->midiprog.current].bank;

  1117. 

  1118.             for (uint32_t i=0; i < nEvents; ++i)

  1119.             {

  1120.                 const EngineEvent& event(pData->event.portIn->getEvent(i));

  1121. 

  1122.                 time = event.time;

  1123. 

  1124.                 CARLA_SAFE_ASSERT_CONTINUE(time < frames);

  1125.                 CARLA_SAFE_ASSERT_BREAK(time >= timeOffset);

  1126. 

  1127.                 if (time > timeOffset)

  1128.                 {

  1129.                     if (processSingle(outBuffer, time - timeOffset, timeOffset))

  1130.                     {

  1131.                         timeOffset = time;

  1132. 

  1133.                         if (pData->midiprog.current >= 0 && pData->midiprog.count > 0 && pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1134.                             nextBankIds[pData->ctrlChannel] = pData->midiprog.data[pData->midiprog.current].bank;

  1135.                     }

  1136.                 }

  1137. 

  1138.                 // Control change

  1139.                 switch (event.type)

  1140.                 {

  1141.                 case kEngineEventTypeNull:

  1142.                     break;

  1143. 

  1144.                 case kEngineEventTypeControl:

  1145.                 {

  1146.                     const EngineControlEvent& ctrlEvent = event.ctrl;

  1147. 

  1148.                     switch (ctrlEvent.type)

  1149.                     {

  1150.                     case kEngineControlEventTypeNull:

  1151.                         break;

  1152. 

  1153.                     case kEngineControlEventTypeParameter:

  1154.                     {

  1155. #ifndef BUILD_BRIDGE

  1156.                         // Control backend stuff

  1157.                         if (event.channel == pData->ctrlChannel)

  1158.                         {

  1159.                             float value;

  1160. 

  1161.                             if (MIDI_IS_CONTROL_BREATH_CONTROLLER(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_DRYWET) != 0)

  1162.                             {

  1163.                                 value = ctrlEvent.value;

  1164.                                 setDryWet(value, false, false);

  1165.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_DRYWET, 0, value);

  1166.                             }

  1167. 

  1168.                             if (MIDI_IS_CONTROL_CHANNEL_VOLUME(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_VOLUME) != 0)

  1169.                             {

  1170.                                 value = ctrlEvent.value*127.0f/100.0f;

  1171.                                 setVolume(value, false, false);

  1172.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_VOLUME, 0, value);

  1173.                             }

  1174. 

  1175.                             if (MIDI_IS_CONTROL_BALANCE(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_BALANCE) != 0)

  1176.                             {

  1177.                                 float left, right;

  1178.                                 value = ctrlEvent.value/0.5f - 1.0f;

  1179. 

  1180.                                 if (value < 0.0f)

  1181.                                 {

  1182.                                     left  = -1.0f;

  1183.                                     right = (value*2.0f)+1.0f;

  1184.                                 }

  1185.                                 else if (value > 0.0f)

  1186.                                 {

  1187.                                     left  = (value*2.0f)-1.0f;

  1188.                                     right = 1.0f;

  1189.                                 }

  1190.                                 else

  1191.                                 {

  1192.                                     left  = -1.0f;

  1193.                                     right = 1.0f;

  1194.                                 }

  1195. 

  1196.                                 setBalanceLeft(left, false, false);

  1197.                                 setBalanceRight(right, false, false);

  1198.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_LEFT, 0, left);

  1199.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_RIGHT, 0, right);

  1200.                             }

  1201.                         }

  1202. #endif

  1203. 

  1204.                         // Control plugin parameters

  1205.                         for (uint32_t k=0; k < pData->param.count; ++k)

  1206.                         {

  1207.                             if (pData->param.data[k].midiChannel != event.channel)

  1208.                                 continue;

  1209.                             if (pData->param.data[k].midiCC != ctrlEvent.param)

  1210.                                 continue;

  1211.                             if (pData->param.data[k].hints != PARAMETER_INPUT)

  1212.                                 continue;

  1213.                             if ((pData->param.data[k].hints & PARAMETER_IS_AUTOMABLE) == 0)

  1214.                                 continue;

  1215. 

  1216.                             float value;

  1217. 

  1218.                             if (pData->param.data[k].hints & PARAMETER_IS_BOOLEAN)

  1219.                             {

  1220.                                 value = (ctrlEvent.value < 0.5f) ? pData->param.ranges[k].min : pData->param.ranges[k].max;

  1221.                             }

  1222.                             else

  1223.                             {

  1224.                                 value = pData->param.ranges[k].getUnnormalizedValue(ctrlEvent.value);

  1225. 

  1226.                                 if (pData->param.data[k].hints & PARAMETER_IS_INTEGER)

  1227.                                     value = std::rint(value);

  1228.                             }

  1229. 

  1230.                             setParameterValue(k, value, false, false, false);

  1231.                             pData->postponeRtEvent(kPluginPostRtEventParameterChange, static_cast<int32_t>(k), 0, value);

  1232.                         }

  1233. 

  1234.                         if ((pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0 && ctrlEvent.param <= 0x5F)

  1235.                         {

  1236.                             fluid_synth_cc(fSynth, event.channel, ctrlEvent.param, int(ctrlEvent.value*127.0f));

  1237.                         }

  1238. 

  1239.                         break;

  1240.                     }

  1241. 

  1242.                     case kEngineControlEventTypeMidiBank:

  1243.                         if (event.channel < MAX_MIDI_CHANNELS && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1244.                             nextBankIds[event.channel] = ctrlEvent.param;

  1245.                         break;

  1246. 

  1247.                     case kEngineControlEventTypeMidiProgram:

  1248.                         if (event.channel < MAX_MIDI_CHANNELS && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1249.                         {

  1250.                             const uint32_t bankId(nextBankIds[event.channel]);

  1251.                             const uint32_t progId(ctrlEvent.param);

  1252. 

  1253.                             for (uint32_t k=0; k < pData->midiprog.count; ++k)

  1254.                             {

  1255.                                 if (pData->midiprog.data[k].bank == bankId && pData->midiprog.data[k].program == progId)

  1256.                                 {

  1257.                                     fluid_synth_program_select(fSynth, event.channel, fSynthId, bankId, progId);

  1258.                                     fCurMidiProgs[event.channel] = static_cast<int32_t>(k);

  1259. 

  1260.                                     if (event.channel == pData->ctrlChannel)

  1261.                                         pData->postponeRtEvent(kPluginPostRtEventMidiProgramChange, static_cast<int32_t>(k), 0, 0.0f);

  1262. 

  1263.                                     break;

  1264.                                 }

  1265.                             }

  1266.                         }

  1267.                         break;

  1268. 

  1269.                     case kEngineControlEventTypeAllSoundOff:

  1270.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1271.                         {

  1272. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1273.                             fluid_synth_all_sounds_off(fSynth, event.channel);

  1274. #else

  1275.                             fluid_synth_cc(fSynth, event.channel, MIDI_CONTROL_ALL_SOUND_OFF, 0);

  1276. #endif

  1277.                         }

  1278.                         break;

  1279. 

  1280.                     case kEngineControlEventTypeAllNotesOff:

  1281.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1282.                         {

  1283.                             if (event.channel == pData->ctrlChannel && ! allNotesOffSent)

  1284.                             {

  1285.                                 allNotesOffSent = true;

  1286.                                 sendMidiAllNotesOffToCallback();

  1287.                             }

  1288. 

  1289. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1290.                             fluid_synth_all_notes_off(fSynth, event.channel);

  1291. #else

  1292.                             fluid_synth_cc(fSynth, event.channel, MIDI_CONTROL_ALL_NOTES_OFF, 0);

  1293. #endif

  1294.                         }

  1295.                         break;

  1296.                     }

  1297. 

  1298.                     break;

  1299.                 }

  1300. 

  1301.                 case kEngineEventTypeMidi:

  1302.                 {

  1303.                     const EngineMidiEvent& midiEvent(event.midi);

  1304. 

  1305.                     uint8_t status  = uint8_t(MIDI_GET_STATUS_FROM_DATA(midiEvent.data));

  1306.                     uint8_t channel = event.channel;

  1307. 

  1308.                     // Fix bad note-off

  1309.                     if (MIDI_IS_STATUS_NOTE_ON(status) && midiEvent.data[2] == 0)

  1310.                         status = MIDI_STATUS_NOTE_OFF;

  1311. 

  1312.                     if (MIDI_IS_STATUS_NOTE_OFF(status))

  1313.                     {

  1314.                         const uint8_t note = midiEvent.data[1];

  1315. 

  1316.                         fluid_synth_noteoff(fSynth, channel, note);

  1317. 

  1318.                         pData->postponeRtEvent(kPluginPostRtEventNoteOff, channel, note, 0.0f);

  1319.                     }

  1320.                     else if (MIDI_IS_STATUS_NOTE_ON(status))

  1321.                     {

  1322.                         const uint8_t note = midiEvent.data[1];

  1323.                         const uint8_t velo = midiEvent.data[2];

  1324. 

  1325.                         fluid_synth_noteon(fSynth, channel, note, velo);

  1326. 

  1327.                         pData->postponeRtEvent(kPluginPostRtEventNoteOn, channel, note, velo);

  1328.                     }

  1329.                     else if (MIDI_IS_STATUS_POLYPHONIC_AFTERTOUCH(status) && (pData->options & PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH) != 0)

  1330.                     {

  1331.                         //const uint8_t note     = midiEvent.data[1];

  1332.                         //const uint8_t pressure = midiEvent.data[2];

  1333. 

  1334.                         // TODO, not in fluidsynth API

  1335.                     }

  1336.                     else if (MIDI_IS_STATUS_CONTROL_CHANGE(status) && (pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0)

  1337.                     {

  1338.                         const uint8_t control = midiEvent.data[1];

  1339.                         const uint8_t value   = midiEvent.data[2];

  1340. 

  1341.                         fluid_synth_cc(fSynth, channel, control, value);

  1342.                     }

  1343.                     else if (MIDI_IS_STATUS_CHANNEL_PRESSURE(status) && (pData->options & PLUGIN_OPTION_SEND_CHANNEL_PRESSURE) != 0)

  1344.                     {

  1345.                         const uint8_t pressure = midiEvent.data[1];

  1346. 

  1347.                         fluid_synth_channel_pressure(fSynth, channel, pressure);;

  1348.                     }

  1349.                     else if (MIDI_IS_STATUS_PITCH_WHEEL_CONTROL(status) && (pData->options & PLUGIN_OPTION_SEND_PITCHBEND) != 0)

  1350.                     {

  1351.                         const uint8_t lsb   = midiEvent.data[1];

  1352.                         const uint8_t msb   = midiEvent.data[2];

  1353.                         const int     value = ((msb << 7) | lsb) - 8192;

  1354. 

  1355.                         fluid_synth_pitch_bend(fSynth, channel, value);

  1356.                     }

  1357. 

  1358.                     break;

  1359.                 }

  1360.                 }

  1361.             }

  1362. 

  1363.             pData->postRtEvents.trySplice();

  1364. 

  1365.             if (frames > timeOffset)

  1366.                 processSingle(outBuffer, frames - timeOffset, timeOffset);

  1367. 

  1368.         } // End of Event Input and Processing

  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, static_cast<uint16_t>(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.                 FloatVectorOperations::clear(fAudio16Buffers[i], frames);

  1417. 

  1418.             // FIXME use '32' or '16' instead of outs

  1419.             fluid_synth_process(fSynth, static_cast<int>(frames), 0, nullptr, static_cast<int>(pData->audioOut.count), fAudio16Buffers);

  1420.         }

  1421.         else

  1422.             fluid_synth_write_float(fSynth, static_cast<int>(frames), outBuffer[0] + timeOffset, 0, 1, outBuffer[1] + timeOffset, 0, 1);

  1423. 

  1424. #ifndef BUILD_BRIDGE

  1425.         // --------------------------------------------------------------------------------------------------------

  1426.         // Post-processing (volume and balance)

  1427. 

  1428.         {

  1429.             // note - balance not possible with fUses16Outs, so we can safely skip fAudioOutBuffers

  1430.             const bool doVolume  = (pData->hints & PLUGIN_CAN_VOLUME) > 0 && pData->postProc.volume != 1.0f;

  1431.             const bool doBalance = (pData->hints & PLUGIN_CAN_BALANCE) > 0 && (pData->postProc.balanceLeft != -1.0f || pData->postProc.balanceRight != 1.0f);

  1432. 

  1433.             float oldBufLeft[doBalance ? frames : 1];

  1434. 

  1435.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1436.             {

  1437.                 // Balance

  1438.                 if (doBalance)

  1439.                 {

  1440.                     if (i % 2 == 0)

  1441.                         FloatVectorOperations::copy(oldBufLeft, outBuffer[i]+timeOffset, frames);

  1442. 

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

  1444.                     float balRangeR = (pData->postProc.balanceRight + 1.0f)/2.0f;

  1445. 

  1446.                     for (uint32_t k=0; k < frames; ++k)

  1447.                     {

  1448.                         if (i % 2 == 0)

  1449.                         {

  1450.                             // left

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

  1452.                             outBuffer[i][k+timeOffset] += outBuffer[i+1][k+timeOffset] * (1.0f - balRangeR);

  1453.                         }

  1454.                         else

  1455.                         {

  1456.                             // right

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

  1458.                             outBuffer[i][k+timeOffset] += oldBufLeft[k]              * balRangeL;

  1459.                         }

  1460.                     }

  1461.                 }

  1462. 

  1463.                 // Volume

  1464.                 if (fUses16Outs)

  1465.                 {

  1466.                     for (uint32_t k=0; k < frames; ++k)

  1467.                         outBuffer[i][k+timeOffset] = fAudio16Buffers[i][k] * pData->postProc.volume;

  1468.                 }

  1469.                 else if (doVolume)

  1470.                 {

  1471.                     for (uint32_t k=0; k < frames; ++k)

  1472.                         outBuffer[i][k+timeOffset] *= pData->postProc.volume;

  1473.                 }

  1474.             }

  1475. 

  1476.         } // End of Post-processing

  1477. #else

  1478.         if (fUses16Outs)

  1479.         {

  1480.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1481.             {

  1482.                 for (uint32_t k=0; k < frames; ++k)

  1483.                     outBuffer[i][k+timeOffset] = fAudio16Buffers[i][k];

  1484.             }

  1485.         }

  1486. #endif

  1487. 

  1488.         // --------------------------------------------------------------------------------------------------------

  1489. 

  1490.         pData->singleMutex.unlock();

  1491.         return true;

  1492.     }

  1493. 

  1494.     void bufferSizeChanged(const uint32_t newBufferSize) override

  1495.     {

  1496.         if (! fUses16Outs)

  1497.             return;

  1498. 

  1499.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1500.         {

  1501.             if (fAudio16Buffers[i] != nullptr)

  1502.                 delete[] fAudio16Buffers[i];

  1503.             fAudio16Buffers[i] = new float[newBufferSize];

  1504.         }

  1505.     }

  1506. 

  1507.     void sampleRateChanged(const double newSampleRate) override

  1508.     {

  1509.         CARLA_SAFE_ASSERT_RETURN(fSettings != nullptr,);

  1510. 

  1511.         fluid_settings_setnum(fSettings, "synth.sample-rate", newSampleRate);

  1512. 

  1513. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1514.         CARLA_SAFE_ASSERT_RETURN(fSynth != nullptr,);

  1515. 

  1516.         fluid_synth_set_sample_rate(fSynth, float(newSampleRate));

  1517. #endif

  1518.     }

  1519. 

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

  1521.     // Plugin buffers

  1522. 

  1523.     void clearBuffers() noexcept override

  1524.     {

  1525.         carla_debug("FluidSynthPlugin::clearBuffers() - start");

  1526. 

  1527.         if (fAudio16Buffers != nullptr)

  1528.         {

  1529.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1530.             {

  1531.                 if (fAudio16Buffers[i] != nullptr)

  1532.                 {

  1533.                     delete[] fAudio16Buffers[i];

  1534.                     fAudio16Buffers[i] = nullptr;

  1535.                 }

  1536.             }

  1537. 

  1538.             delete[] fAudio16Buffers;

  1539.             fAudio16Buffers = nullptr;

  1540.         }

  1541. 

  1542.         CarlaPlugin::clearBuffers();

  1543. 

  1544.         carla_debug("FluidSynthPlugin::clearBuffers() - end");

  1545.     }

  1546. 

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

  1548. 

  1549.     const void* getExtraStuff() const noexcept override

  1550.     {

  1551.         static const char xtrue[]  = "true";

  1552.         static const char xfalse[] = "false";

  1553.         return fUses16Outs ? xtrue : xfalse;

  1554.     }

  1555. 

  1556.     bool init(const char* const filename, const char* const name, const char* const label)

  1557.     {

  1558.         CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr, false);

  1559. 

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

  1561.         // first checks

  1562. 

  1563.         if (pData->client != nullptr)

  1564.         {

  1565.             pData->engine->setLastError("Plugin client is already registered");

  1566.             return false;

  1567.         }

  1568. 

  1569.         if (fSynth == nullptr)

  1570.         {

  1571.             pData->engine->setLastError("null synth");

  1572.             return false;

  1573.         }

  1574. 

  1575.         if (filename == nullptr || filename[0] == '\0')

  1576.         {

  1577.             pData->engine->setLastError("null filename");

  1578.             return false;

  1579.         }

  1580. 

  1581.         if (label == nullptr || label[0] == '\0')

  1582.         {

  1583.             pData->engine->setLastError("null label");

  1584.             return false;

  1585.         }

  1586. 

  1587.         // ---------------------------------------------------------------

  1588.         // open soundfont

  1589. 

  1590.         const int synthId(fluid_synth_sfload(fSynth, filename, 0));

  1591. 

  1592.         if (synthId < 0)

  1593.         {

  1594.             pData->engine->setLastError("Failed to load SoundFont file");

  1595.             return false;

  1596.         }

  1597. 

  1598.         fSynthId = static_cast<uint>(synthId);

  1599. 

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

  1601.         // get info

  1602. 

  1603.         CarlaString label2(label);

  1604. 

  1605.         if (fUses16Outs && ! label2.endsWith(" (16 outs)"))

  1606.             label2 += " (16 outs)";

  1607. 

  1608.         fLabel          = label2.dup();

  1609.         pData->filename = carla_strdup(filename);

  1610. 

  1611.         if (name != nullptr && name[0] != '\0')

  1612.             pData->name = pData->engine->getUniquePluginName(name);

  1613.         else

  1614.             pData->name = pData->engine->getUniquePluginName(label);

  1615. 

  1616.         // ---------------------------------------------------------------

  1617.         // register client

  1618. 

  1619.         pData->client = pData->engine->addClient(this);

  1620. 

  1621.         if (pData->client == nullptr || ! pData->client->isOk())

  1622.         {

  1623.             pData->engine->setLastError("Failed to register plugin client");

  1624.             return false;

  1625.         }

  1626. 

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

  1628.         // load plugin settings

  1629. 

  1630.         {

  1631.             // set default options

  1632.             pData->options = 0x0;

  1633. 

  1634.             pData->options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  1635.             pData->options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  1636.             pData->options |= PLUGIN_OPTION_SEND_PITCHBEND;

  1637.             pData->options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  1638. 

  1639. #ifndef BUILD_BRIDGE

  1640.             // set identifier string

  1641.             CarlaString identifier("SF2/");

  1642. 

  1643.             if (const char* const shortname = std::strrchr(filename, OS_SEP))

  1644.                 identifier += shortname+1;

  1645.             else

  1646.                 identifier += label;

  1647. 

  1648.             pData->identifier = identifier.dup();

  1649. 

  1650.             // load settings

  1651.             pData->options = pData->loadSettings(pData->options, getOptionsAvailable());

  1652. #endif

  1653.         }

  1654. 

  1655.         return true;

  1656.     }

  1657. 

  1658. private:

  1659.     enum FluidSynthInputParameters {

  1660.         FluidSynthReverbOnOff    = 0,

  1661.         FluidSynthReverbRoomSize = 1,

  1662.         FluidSynthReverbDamp     = 2,

  1663.         FluidSynthReverbLevel    = 3,

  1664.         FluidSynthReverbWidth    = 4,

  1665.         FluidSynthChorusOnOff    = 5,

  1666.         FluidSynthChorusNr       = 6,

  1667.         FluidSynthChorusLevel    = 7,

  1668.         FluidSynthChorusSpeedHz  = 8,

  1669.         FluidSynthChorusDepthMs  = 9,

  1670.         FluidSynthChorusType     = 10,

  1671.         FluidSynthPolyphony      = 11,

  1672.         FluidSynthInterpolation  = 12,

  1673.         FluidSynthVoiceCount     = 13,

  1674.         FluidSynthParametersMax  = 14

  1675.     };

  1676. 

  1677.     const bool fUses16Outs;

  1678. 

  1679.     fluid_settings_t* fSettings;

  1680.     fluid_synth_t*    fSynth;

  1681.     uint              fSynthId;

  1682. 

  1683.     float** fAudio16Buffers;

  1684.     float   fParamBuffers[FluidSynthParametersMax];

  1685. 

  1686.     int32_t fCurMidiProgs[MAX_MIDI_CHANNELS];

  1687. 

  1688.     const char* fLabel;

  1689. 

  1690.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(FluidSynthPlugin)

  1691. };

  1692. 

  1693. CARLA_BACKEND_END_NAMESPACE

  1694. 

  1695. #endif // WANT_FLUIDSYNTH

  1696. 

  1697. CARLA_BACKEND_START_NAMESPACE

  1698. 

  1699. CarlaPlugin* CarlaPlugin::newFluidSynth(const Initializer& init, const bool use16Outs)

  1700. {

  1701.     carla_debug("CarlaPlugin::newFluidSynth({%p, \"%s\", \"%s\", \"%s\", " P_INT64 "}, %s)", init.engine, init.filename, init.name, init.label, init.uniqueId, bool2str(use16Outs));

  1702. 

  1703. #ifdef WANT_FLUIDSYNTH

  1704.     if (init.engine->getProccessMode() == ENGINE_PROCESS_MODE_CONTINUOUS_RACK && use16Outs)

  1705.     {

  1706.         init.engine->setLastError("Carla's rack mode can only work with Stereo modules, please choose the 2-channel only SoundFont version");

  1707.         return nullptr;

  1708.     }

  1709. 

  1710.     if (! fluid_is_soundfont(init.filename))

  1711.     {

  1712.         init.engine->setLastError("Requested file is not a valid SoundFont");

  1713.         return nullptr;

  1714.     }

  1715. 

  1716.     FluidSynthPlugin* const plugin(new FluidSynthPlugin(init.engine, init.id,  use16Outs));

  1717. 

  1718.     if (! plugin->init(init.filename, init.name, init.label))

  1719.     {

  1720.         delete plugin;

  1721.         return nullptr;

  1722.     }

  1723. 

  1724.     plugin->reload();

  1725. 

  1726.     return plugin;

  1727. #else

  1728.     init.engine->setLastError("fluidsynth support not available");

  1729.     return nullptr;

  1730. 

  1731.     // unused

  1732.     (void)use16Outs;

  1733. #endif

  1734. }

  1735. 

  1736. CARLA_BACKEND_END_NAMESPACE