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.
2053 Commits
16 Branches
265MB
Tree: bbe2ddab22
Branches Tags
${ item.name }
Create branch ${ searchTerm }
from 'bbe2ddab22'
${ noResults }
Carla/source/backend/plugin/FluidSynthPlugin.cpp

1710 lines
62KB
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 HAVE_FLUIDSYNTH

  22. 

  23. #include "CarlaMathUtils.hpp"

  24. 

  25. #include "juce_core.h"

  26. 

  27. #include <fluidsynth.h>

  28. 

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

  30. # define FLUIDSYNTH_VERSION_NEW_API

  31. #endif

  32. 

  33. #define FLUID_DEFAULT_POLYPHONY 64

  34. 

  35. using juce::String;

  36. using juce::StringArray;

  37. 

  38. CARLA_BACKEND_START_NAMESPACE

  39. 

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

  41. 

  42. class FluidSynthPlugin : public CarlaPlugin

  43. {

  44. public:

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

  46.         : CarlaPlugin(engine, id),

  47.           kUse16Outs(use16Outs),

  48.           fSettings(nullptr),

  49.           fSynth(nullptr),

  50.           fSynthId(0),

  51.           fAudio16Buffers(nullptr),

  52.           fLabel(nullptr)

  53.     {

  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. #ifndef BUILD_BRIDGE

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

  378.     {

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

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

  381. 

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

  383.     }

  384. #endif

  385. 

  386.     // -------------------------------------------------------------------

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

  388. 

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

  390.     {

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

  392. 

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

  394.         fParamBuffers[parameterId] = fixedValue;

  395. 

  396.         {

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

  398. 

  399.             switch (parameterId)

  400.             {

  401.             case FluidSynthReverbOnOff:

  402.                 try {

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

  404.                 } catch(...) {}

  405.                 break;

  406. 

  407.             case FluidSynthReverbRoomSize:

  408.             case FluidSynthReverbDamp:

  409.             case FluidSynthReverbLevel:

  410.             case FluidSynthReverbWidth:

  411.                 try {

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

  413.                 } catch(...) {}

  414.                 break;

  415. 

  416.             case FluidSynthChorusOnOff:

  417.                 try {

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

  419.                 } catch(...) {}

  420.                 break;

  421. 

  422.             case FluidSynthChorusNr:

  423.             case FluidSynthChorusLevel:

  424.             case FluidSynthChorusSpeedHz:

  425.             case FluidSynthChorusDepthMs:

  426.             case FluidSynthChorusType:

  427.                 try {

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

  429.                 } catch(...) {}

  430.                 break;

  431. 

  432.             case FluidSynthPolyphony:

  433.                 try {

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

  435.                 } catch(...) {}

  436.                 break;

  437. 

  438.             case FluidSynthInterpolation:

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

  440.                 {

  441.                     try {

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

  443.                     }

  444.                     catch(...) {

  445.                         break;

  446.                     }

  447.                 }

  448.                 break;

  449. 

  450.             default:

  451.                 break;

  452.             }

  453.         }

  454. 

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

  456.     }

  457. 

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

  459.     {

  460.         CARLA_SAFE_ASSERT_RETURN(fSynth != nullptr,);

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

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

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

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

  465. 

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

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

  468. 

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

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

  471. 

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

  473. 

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

  475.         {

  476.             uint8_t channel = 0;

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

  478.             {

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

  480. 

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

  482.                 {

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

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

  485. 

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

  487.                     fCurMidiProgs[channel] = index;

  488. 

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

  490.                     {

  491.                         pData->midiprog.current = index;

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

  493.                     }

  494.                 }

  495. 

  496.                 ++channel;

  497.             }

  498.             CARLA_SAFE_ASSERT(channel == MAX_MIDI_CHANNELS);

  499.         }

  500. 

  501.         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  = kUse16Outs ? 32 : 2;

  552.         params = FluidSynthParametersMax;

  553. 

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

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

  556. 

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

  558.         CarlaString portName;

  559. 

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

  561.         // Audio Outputs

  562. 

  563.         if (kUse16Outs)

  564.         {

  565.             for (uint32_t 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.ranges[j].min = 0.0f;

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

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

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

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

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

  685. 

  686.             // ----------------------

  687.             j = FluidSynthReverbRoomSize;

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

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

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

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

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

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

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

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

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

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

  698. 

  699.             // ----------------------

  700.             j = FluidSynthReverbDamp;

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

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

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

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

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

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

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

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

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

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

  711. 

  712.             // ----------------------

  713.             j = FluidSynthReverbLevel;

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

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

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

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

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

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

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

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

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

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

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

  725. 

  726.             // ----------------------

  727.             j = FluidSynthReverbWidth;

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

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

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

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

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

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

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

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

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

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

  738. 

  739.             // ----------------------

  740.             j = FluidSynthChorusOnOff;

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

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

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

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

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

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

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

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

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

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

  751. 

  752.             // ----------------------

  753.             j = FluidSynthChorusNr;

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

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

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

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

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

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

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

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

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

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

  764. 

  765.             // ----------------------

  766.             j = FluidSynthChorusLevel;

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

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

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

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

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

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

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

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

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

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

  777. 

  778.             // ----------------------

  779.             j = FluidSynthChorusSpeedHz;

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

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

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

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

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

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

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

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

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

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

  790. 

  791.             // ----------------------

  792.             j = FluidSynthChorusDepthMs;

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

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

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

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

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

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

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

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

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

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

  803. 

  804.             // ----------------------

  805.             j = FluidSynthChorusType;

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

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

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

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

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

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

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

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

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

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

  816. 

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

  818.             j = FluidSynthPolyphony;

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

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

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

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

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

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

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

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

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

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

  829. 

  830.             // ----------------------

  831.             j = FluidSynthInterpolation;

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

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

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

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

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

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

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

  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 = FluidSynthVoiceCount;

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

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

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

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

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

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

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

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

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

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

  855. 

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

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

  858.         }

  859. 

  860.         // ---------------------------------------

  861. 

  862.         // plugin hints

  863.         pData->hints  = 0x0;

  864.         pData->hints |= PLUGIN_IS_SYNTH;

  865.         pData->hints |= PLUGIN_CAN_VOLUME;

  866. 

  867.         if (! kUse16Outs)

  868.             pData->hints |= PLUGIN_CAN_BALANCE;

  869. 

  870.         // extra plugin hints

  871.         pData->extraHints  = 0x0;

  872.         pData->extraHints |= PLUGIN_EXTRA_HINT_HAS_MIDI_IN;

  873.         pData->extraHints |= PLUGIN_EXTRA_HINT_USES_MULTI_PROGS;

  874. 

  875.         if (kUse16Outs)

  876.             pData->extraHints |= PLUGIN_EXTRA_HINT_CAN_RUN_RACK;

  877. 

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

  879.         reloadPrograms(true);

  880. 

  881.         if (pData->active)

  882.             activate();

  883. 

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

  885.     }

  886. 

  887.     void reloadPrograms(const bool doInit) override

  888.     {

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

  890. 

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

  892.         bool hasDrums = false;

  893.         uint32_t drumIndex, drumProg;

  894.         drumIndex = drumProg = 0;

  895. 

  896.         // Delete old programs

  897.         pData->midiprog.clear();

  898. 

  899.         // Query new programs

  900.         uint32_t count = 0;

  901. 

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

  903.         {

  904.             fluid_preset_t f_preset;

  905. 

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

  907.             f_sfont->iteration_start(f_sfont);

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

  909.                 ++count;

  910. 

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

  912.             CARLA_SAFE_ASSERT_RETURN(count > 0,);

  913. 

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

  915. 

  916.             // Update data

  917.             int tmp;

  918.             uint32_t i = 0;

  919.             f_sfont->iteration_start(f_sfont);

  920. 

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

  922.             {

  923.                 CARLA_SAFE_ASSERT_BREAK(i < count);

  924. 

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

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

  927. 

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

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

  930. 

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

  932. 

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

  934.                 {

  935.                     hasDrums  = true;

  936.                     drumIndex = i;

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

  938.                 }

  939. 

  940.                 ++i;

  941.             }

  942.         }

  943.         else

  944.         {

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

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

  947.             return;

  948.         }

  949. 

  950. #ifndef BUILD_BRIDGE

  951.         // Update OSC Names

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

  953.         {

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

  955. 

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

  957.                 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);

  958.         }

  959. #endif

  960. 

  961.         if (doInit)

  962.         {

  963.             fluid_synth_program_reset(fSynth);

  964. 

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

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

  967.             {

  968. #ifdef FLUIDSYNTH_VERSION_NEW_API

  969.                 fluid_synth_set_channel_type(fSynth, i, CHANNEL_TYPE_MELODIC);

  970. #endif

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

  972. 

  973.                 fCurMidiProgs[i] = 0;

  974.             }

  975. 

  976.             if (hasDrums)

  977.             {

  978. #ifdef FLUIDSYNTH_VERSION_NEW_API

  979.                 fluid_synth_set_channel_type(fSynth, 9, CHANNEL_TYPE_DRUM);

  980. #endif

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

  982. 

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

  984.             }

  985.             else

  986.             {

  987. #ifdef FLUIDSYNTH_VERSION_NEW_API

  988.                 fluid_synth_set_channel_type(fSynth, 9, CHANNEL_TYPE_MELODIC);

  989. #endif

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

  991. 

  992.                 fCurMidiProgs[9] = 0;

  993.             }

  994. 

  995.             pData->midiprog.current = 0;

  996.         }

  997.         else

  998.         {

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

  1000.         }

  1001.     }

  1002. 

  1003.     // -------------------------------------------------------------------

  1004.     // Plugin processing

  1005. 

  1006.     void process(float** const, float** const outBuffer, const uint32_t frames) override

  1007.     {

  1008.         // --------------------------------------------------------------------------------------------------------

  1009.         // Check if active

  1010. 

  1011.         if (! pData->active)

  1012.         {

  1013.             // disable any output sound

  1014.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1015.                 FloatVectorOperations::clear(outBuffer[i], static_cast<int>(frames));

  1016.             return;

  1017.         }

  1018. 

  1019.         // --------------------------------------------------------------------------------------------------------

  1020.         // Check if needs reset

  1021. 

  1022.         if (pData->needsReset)

  1023.         {

  1024.             if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1025.             {

  1026.                 for (int i=0; i < MAX_MIDI_CHANNELS; ++i)

  1027.                 {

  1028. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1029.                     fluid_synth_all_notes_off(fSynth, i);

  1030.                     fluid_synth_all_sounds_off(fSynth, i);

  1031. #else

  1032.                     fluid_synth_cc(fSynth, i, MIDI_CONTROL_ALL_SOUND_OFF, 0);

  1033.                     fluid_synth_cc(fSynth, i, MIDI_CONTROL_ALL_NOTES_OFF, 0);

  1034. #endif

  1035.                 }

  1036.             }

  1037.             else if (pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1038.             {

  1039.                 for (int i=0; i < MAX_MIDI_NOTE; ++i)

  1040.                     fluid_synth_noteoff(fSynth, pData->ctrlChannel, i);

  1041.             }

  1042. 

  1043.             pData->needsReset = false;

  1044.         }

  1045. 

  1046.         // --------------------------------------------------------------------------------------------------------

  1047.         // Event Input and Processing

  1048. 

  1049.         {

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

  1051.             // MIDI Input (External)

  1052. 

  1053.             if (pData->extNotes.mutex.tryLock())

  1054.             {

  1055.                 for (RtLinkedList<ExternalMidiNote>::Itenerator it = pData->extNotes.data.begin(); it.valid(); it.next())

  1056.                 {

  1057.                     const ExternalMidiNote& note(it.getValue());

  1058. 

  1059.                     CARLA_SAFE_ASSERT_CONTINUE(note.channel >= 0 && note.channel < MAX_MIDI_CHANNELS);

  1060. 

  1061.                     if (note.velo > 0)

  1062.                         fluid_synth_noteon(fSynth, note.channel, note.note, note.velo);

  1063.                     else

  1064.                         fluid_synth_noteoff(fSynth,note.channel, note.note);

  1065.                 }

  1066. 

  1067.                 pData->extNotes.data.clear();

  1068.                 pData->extNotes.mutex.unlock();

  1069. 

  1070.             } // End of MIDI Input (External)

  1071. 

  1072.             // ----------------------------------------------------------------------------------------------------

  1073.             // Event Input (System)

  1074. 

  1075. #ifndef BUILD_BRIDGE

  1076.             bool allNotesOffSent = false;

  1077. #endif

  1078.             uint32_t time, nEvents = pData->event.portIn->getEventCount();

  1079.             uint32_t timeOffset = 0;

  1080. 

  1081.             uint32_t nextBankIds[MAX_MIDI_CHANNELS] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 0, 0, 0, 0, 0, 0 };

  1082. 

  1083.             if (pData->midiprog.current >= 0 && pData->midiprog.count > 0 && pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1084.                 nextBankIds[pData->ctrlChannel] = pData->midiprog.data[pData->midiprog.current].bank;

  1085. 

  1086.             for (uint32_t i=0; i < nEvents; ++i)

  1087.             {

  1088.                 const EngineEvent& event(pData->event.portIn->getEvent(i));

  1089. 

  1090.                 time = event.time;

  1091. 

  1092.                 CARLA_SAFE_ASSERT_CONTINUE(time < frames);

  1093.                 CARLA_SAFE_ASSERT_BREAK(time >= timeOffset);

  1094. 

  1095.                 if (time > timeOffset)

  1096.                 {

  1097.                     if (processSingle(outBuffer, time - timeOffset, timeOffset))

  1098.                     {

  1099.                         timeOffset = time;

  1100. 

  1101.                         if (pData->midiprog.current >= 0 && pData->midiprog.count > 0 && pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1102.                             nextBankIds[pData->ctrlChannel] = pData->midiprog.data[pData->midiprog.current].bank;

  1103.                     }

  1104.                 }

  1105. 

  1106.                 // Control change

  1107.                 switch (event.type)

  1108.                 {

  1109.                 case kEngineEventTypeNull:

  1110.                     break;

  1111. 

  1112.                 case kEngineEventTypeControl:

  1113.                 {

  1114.                     const EngineControlEvent& ctrlEvent = event.ctrl;

  1115. 

  1116.                     switch (ctrlEvent.type)

  1117.                     {

  1118.                     case kEngineControlEventTypeNull:

  1119.                         break;

  1120. 

  1121.                     case kEngineControlEventTypeParameter:

  1122.                     {

  1123. #ifndef BUILD_BRIDGE

  1124.                         // Control backend stuff

  1125.                         if (event.channel == pData->ctrlChannel)

  1126.                         {

  1127.                             float value;

  1128. 

  1129.                             if (MIDI_IS_CONTROL_BREATH_CONTROLLER(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_DRYWET) != 0)

  1130.                             {

  1131.                                 value = ctrlEvent.value;

  1132.                                 setDryWet(value, false, false);

  1133.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_DRYWET, 0, value);

  1134.                             }

  1135. 

  1136.                             if (MIDI_IS_CONTROL_CHANNEL_VOLUME(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_VOLUME) != 0)

  1137.                             {

  1138.                                 value = ctrlEvent.value*127.0f/100.0f;

  1139.                                 setVolume(value, false, false);

  1140.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_VOLUME, 0, value);

  1141.                             }

  1142. 

  1143.                             if (MIDI_IS_CONTROL_BALANCE(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_BALANCE) != 0)

  1144.                             {

  1145.                                 float left, right;

  1146.                                 value = ctrlEvent.value/0.5f - 1.0f;

  1147. 

  1148.                                 if (value < 0.0f)

  1149.                                 {

  1150.                                     left  = -1.0f;

  1151.                                     right = (value*2.0f)+1.0f;

  1152.                                 }

  1153.                                 else if (value > 0.0f)

  1154.                                 {

  1155.                                     left  = (value*2.0f)-1.0f;

  1156.                                     right = 1.0f;

  1157.                                 }

  1158.                                 else

  1159.                                 {

  1160.                                     left  = -1.0f;

  1161.                                     right = 1.0f;

  1162.                                 }

  1163. 

  1164.                                 setBalanceLeft(left, false, false);

  1165.                                 setBalanceRight(right, false, false);

  1166.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_LEFT, 0, left);

  1167.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_RIGHT, 0, right);

  1168.                             }

  1169.                         }

  1170. 

  1171.                         // Control plugin parameters

  1172.                         for (uint32_t k=0; k < pData->param.count; ++k)

  1173.                         {

  1174.                             if (pData->param.data[k].midiChannel != event.channel)

  1175.                                 continue;

  1176.                             if (pData->param.data[k].midiCC != ctrlEvent.param)

  1177.                                 continue;

  1178.                             if (pData->param.data[k].hints != PARAMETER_INPUT)

  1179.                                 continue;

  1180.                             if ((pData->param.data[k].hints & PARAMETER_IS_AUTOMABLE) == 0)

  1181.                                 continue;

  1182. 

  1183.                             float value;

  1184. 

  1185.                             if (pData->param.data[k].hints & PARAMETER_IS_BOOLEAN)

  1186.                             {

  1187.                                 value = (ctrlEvent.value < 0.5f) ? pData->param.ranges[k].min : pData->param.ranges[k].max;

  1188.                             }

  1189.                             else

  1190.                             {

  1191.                                 value = pData->param.ranges[k].getUnnormalizedValue(ctrlEvent.value);

  1192. 

  1193.                                 if (pData->param.data[k].hints & PARAMETER_IS_INTEGER)

  1194.                                     value = std::rint(value);

  1195.                             }

  1196. 

  1197.                             setParameterValue(k, value, false, false, false);

  1198.                             pData->postponeRtEvent(kPluginPostRtEventParameterChange, static_cast<int32_t>(k), 0, value);

  1199.                         }

  1200. #endif

  1201. 

  1202.                         if ((pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0 && ctrlEvent.param <= 0x5F)

  1203.                         {

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

  1205.                         }

  1206. 

  1207.                         break;

  1208.                     }

  1209. 

  1210.                     case kEngineControlEventTypeMidiBank:

  1211.                         if (event.channel < MAX_MIDI_CHANNELS && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1212.                             nextBankIds[event.channel] = ctrlEvent.param;

  1213.                         break;

  1214. 

  1215.                     case kEngineControlEventTypeMidiProgram:

  1216.                         if (event.channel < MAX_MIDI_CHANNELS && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1217.                         {

  1218.                             const uint32_t bankId(nextBankIds[event.channel]);

  1219.                             const uint32_t progId(ctrlEvent.param);

  1220. 

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

  1222.                             {

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

  1224.                                 {

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

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

  1227. 

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

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

  1230. 

  1231.                                     break;

  1232.                                 }

  1233.                             }

  1234.                         }

  1235.                         break;

  1236. 

  1237.                     case kEngineControlEventTypeAllSoundOff:

  1238.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1239.                         {

  1240. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1241.                             fluid_synth_all_sounds_off(fSynth, event.channel);

  1242. #else

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

  1244. #endif

  1245.                         }

  1246.                         break;

  1247. 

  1248.                     case kEngineControlEventTypeAllNotesOff:

  1249.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1250.                         {

  1251. #ifndef BUILD_BRIDGE

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

  1253.                             {

  1254.                                 allNotesOffSent = true;

  1255.                                 sendMidiAllNotesOffToCallback();

  1256.                             }

  1257. #endif

  1258. 

  1259. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1260.                             fluid_synth_all_notes_off(fSynth, event.channel);

  1261. #else

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

  1263. #endif

  1264.                         }

  1265.                         break;

  1266.                     }

  1267. 

  1268.                     break;

  1269.                 }

  1270. 

  1271.                 case kEngineEventTypeMidi:

  1272.                 {

  1273.                     const EngineMidiEvent& midiEvent(event.midi);

  1274. 

  1275.                     uint8_t status  = uint8_t(MIDI_GET_STATUS_FROM_DATA(midiEvent.data));

  1276.                     uint8_t channel = event.channel;

  1277. 

  1278.                     // Fix bad note-off

  1279.                     if (MIDI_IS_STATUS_NOTE_ON(status) && midiEvent.data[2] == 0)

  1280.                         status = MIDI_STATUS_NOTE_OFF;

  1281. 

  1282.                     if (MIDI_IS_STATUS_NOTE_OFF(status))

  1283.                     {

  1284.                         const uint8_t note = midiEvent.data[1];

  1285. 

  1286.                         fluid_synth_noteoff(fSynth, channel, note);

  1287. 

  1288.                         pData->postponeRtEvent(kPluginPostRtEventNoteOff, channel, note, 0.0f);

  1289.                     }

  1290.                     else if (MIDI_IS_STATUS_NOTE_ON(status))

  1291.                     {

  1292.                         const uint8_t note = midiEvent.data[1];

  1293.                         const uint8_t velo = midiEvent.data[2];

  1294. 

  1295.                         fluid_synth_noteon(fSynth, channel, note, velo);

  1296. 

  1297.                         pData->postponeRtEvent(kPluginPostRtEventNoteOn, channel, note, velo);

  1298.                     }

  1299.                     else if (MIDI_IS_STATUS_POLYPHONIC_AFTERTOUCH(status) && (pData->options & PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH) != 0)

  1300.                     {

  1301.                         //const uint8_t note     = midiEvent.data[1];

  1302.                         //const uint8_t pressure = midiEvent.data[2];

  1303. 

  1304.                         // TODO, not in fluidsynth API

  1305.                     }

  1306.                     else if (MIDI_IS_STATUS_CONTROL_CHANGE(status) && (pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0)

  1307.                     {

  1308.                         const uint8_t control = midiEvent.data[1];

  1309.                         const uint8_t value   = midiEvent.data[2];

  1310. 

  1311.                         fluid_synth_cc(fSynth, channel, control, value);

  1312.                     }

  1313.                     else if (MIDI_IS_STATUS_CHANNEL_PRESSURE(status) && (pData->options & PLUGIN_OPTION_SEND_CHANNEL_PRESSURE) != 0)

  1314.                     {

  1315.                         const uint8_t pressure = midiEvent.data[1];

  1316. 

  1317.                         fluid_synth_channel_pressure(fSynth, channel, pressure);;

  1318.                     }

  1319.                     else if (MIDI_IS_STATUS_PITCH_WHEEL_CONTROL(status) && (pData->options & PLUGIN_OPTION_SEND_PITCHBEND) != 0)

  1320.                     {

  1321.                         const uint8_t lsb = midiEvent.data[1];

  1322.                         const uint8_t msb = midiEvent.data[2];

  1323.                         const int   value = ((msb << 7) | lsb);

  1324. 

  1325.                         fluid_synth_pitch_bend(fSynth, channel, value);

  1326.                     }

  1327. 

  1328.                     break;

  1329.                 }

  1330.                 }

  1331.             }

  1332. 

  1333.             pData->postRtEvents.trySplice();

  1334. 

  1335.             if (frames > timeOffset)

  1336.                 processSingle(outBuffer, frames - timeOffset, timeOffset);

  1337. 

  1338.         } // End of Event Input and Processing

  1339. 

  1340. #ifndef BUILD_BRIDGE

  1341.         // --------------------------------------------------------------------------------------------------------

  1342.         // Control Output

  1343. 

  1344.         {

  1345.             uint32_t k = FluidSynthVoiceCount;

  1346.             fParamBuffers[k] = float(fluid_synth_get_active_voice_count(fSynth));

  1347.             pData->param.ranges[k].fixValue(fParamBuffers[k]);

  1348. 

  1349.             if (pData->param.data[k].midiCC > 0)

  1350.             {

  1351.                 float value(pData->param.ranges[k].getNormalizedValue(fParamBuffers[k]));

  1352.                 pData->event.portOut->writeControlEvent(0, pData->param.data[k].midiChannel, kEngineControlEventTypeParameter, static_cast<uint16_t>(pData->param.data[k].midiCC), value);

  1353.             }

  1354. 

  1355.         } // End of Control Output

  1356. #endif

  1357.     }

  1358. 

  1359.     bool processSingle(float** const outBuffer, const uint32_t frames, const uint32_t timeOffset)

  1360.     {

  1361.         CARLA_SAFE_ASSERT_RETURN(outBuffer != nullptr, false);

  1362.         CARLA_SAFE_ASSERT_RETURN(frames > 0, false);

  1363. 

  1364.         // --------------------------------------------------------------------------------------------------------

  1365.         // Try lock, silence otherwise

  1366. 

  1367.         if (pData->engine->isOffline())

  1368.         {

  1369.             pData->singleMutex.lock();

  1370.         }

  1371.         else if (! pData->singleMutex.tryLock())

  1372.         {

  1373.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1374.             {

  1375.                 for (uint32_t k=0; k < frames; ++k)

  1376.                     outBuffer[i][k+timeOffset] = 0.0f;

  1377.             }

  1378. 

  1379.             return false;

  1380.         }

  1381. 

  1382.         // --------------------------------------------------------------------------------------------------------

  1383.         // Fill plugin buffers and Run plugin

  1384. 

  1385.         if (kUse16Outs)

  1386.         {

  1387.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1388.                 FloatVectorOperations::clear(fAudio16Buffers[i], static_cast<int>(frames));

  1389. 

  1390.             // FIXME use '32' or '16' instead of outs

  1391.             fluid_synth_process(fSynth, static_cast<int>(frames), 0, nullptr, static_cast<int>(pData->audioOut.count), fAudio16Buffers);

  1392.         }

  1393.         else

  1394.             fluid_synth_write_float(fSynth, static_cast<int>(frames), outBuffer[0] + timeOffset, 0, 1, outBuffer[1] + timeOffset, 0, 1);

  1395. 

  1396. #ifndef BUILD_BRIDGE

  1397.         // --------------------------------------------------------------------------------------------------------

  1398.         // Post-processing (volume and balance)

  1399. 

  1400.         {

  1401.             // note - balance not possible with kUse16Outs, so we can safely skip fAudioOutBuffers

  1402.             const bool doVolume  = (pData->hints & PLUGIN_CAN_VOLUME) > 0 && pData->postProc.volume != 1.0f;

  1403.             const bool doBalance = (pData->hints & PLUGIN_CAN_BALANCE) > 0 && (pData->postProc.balanceLeft != -1.0f || pData->postProc.balanceRight != 1.0f);

  1404. 

  1405.             float oldBufLeft[doBalance ? frames : 1];

  1406. 

  1407.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1408.             {

  1409.                 // Balance

  1410.                 if (doBalance)

  1411.                 {

  1412.                     if (i % 2 == 0)

  1413.                         FloatVectorOperations::copy(oldBufLeft, outBuffer[i]+timeOffset, static_cast<int>(frames));

  1414. 

  1415.                     float balRangeL = (pData->postProc.balanceLeft  + 1.0f)/2.0f;

  1416.                     float balRangeR = (pData->postProc.balanceRight + 1.0f)/2.0f;

  1417. 

  1418.                     for (uint32_t k=0; k < frames; ++k)

  1419.                     {

  1420.                         if (i % 2 == 0)

  1421.                         {

  1422.                             // left

  1423.                             outBuffer[i][k+timeOffset]  = oldBufLeft[k]                * (1.0f - balRangeL);

  1424.                             outBuffer[i][k+timeOffset] += outBuffer[i+1][k+timeOffset] * (1.0f - balRangeR);

  1425.                         }

  1426.                         else

  1427.                         {

  1428.                             // right

  1429.                             outBuffer[i][k+timeOffset]  = outBuffer[i][k+timeOffset] * balRangeR;

  1430.                             outBuffer[i][k+timeOffset] += oldBufLeft[k]              * balRangeL;

  1431.                         }

  1432.                     }

  1433.                 }

  1434. 

  1435.                 // Volume

  1436.                 if (kUse16Outs)

  1437.                 {

  1438.                     for (uint32_t k=0; k < frames; ++k)

  1439.                         outBuffer[i][k+timeOffset] = fAudio16Buffers[i][k] * pData->postProc.volume;

  1440.                 }

  1441.                 else if (doVolume)

  1442.                 {

  1443.                     for (uint32_t k=0; k < frames; ++k)

  1444.                         outBuffer[i][k+timeOffset] *= pData->postProc.volume;

  1445.                 }

  1446.             }

  1447. 

  1448.         } // End of Post-processing

  1449. #else

  1450.         if (kUse16Outs)

  1451.         {

  1452.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1453.             {

  1454.                 for (uint32_t k=0; k < frames; ++k)

  1455.                     outBuffer[i][k+timeOffset] = fAudio16Buffers[i][k];

  1456.             }

  1457.         }

  1458. #endif

  1459. 

  1460.         // --------------------------------------------------------------------------------------------------------

  1461. 

  1462.         pData->singleMutex.unlock();

  1463.         return true;

  1464.     }

  1465. 

  1466.     void bufferSizeChanged(const uint32_t newBufferSize) override

  1467.     {

  1468.         if (! kUse16Outs)

  1469.             return;

  1470. 

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

  1472.         {

  1473.             if (fAudio16Buffers[i] != nullptr)

  1474.                 delete[] fAudio16Buffers[i];

  1475.             fAudio16Buffers[i] = new float[newBufferSize];

  1476.         }

  1477.     }

  1478. 

  1479.     void sampleRateChanged(const double newSampleRate) override

  1480.     {

  1481.         CARLA_SAFE_ASSERT_RETURN(fSettings != nullptr,);

  1482. 

  1483.         fluid_settings_setnum(fSettings, "synth.sample-rate", newSampleRate);

  1484. 

  1485. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1486.         CARLA_SAFE_ASSERT_RETURN(fSynth != nullptr,);

  1487. 

  1488.         fluid_synth_set_sample_rate(fSynth, float(newSampleRate));

  1489. #endif

  1490.     }

  1491. 

  1492.     // -------------------------------------------------------------------

  1493.     // Plugin buffers

  1494. 

  1495.     void clearBuffers() noexcept override

  1496.     {

  1497.         carla_debug("FluidSynthPlugin::clearBuffers() - start");

  1498. 

  1499.         if (fAudio16Buffers != nullptr)

  1500.         {

  1501.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1502.             {

  1503.                 if (fAudio16Buffers[i] != nullptr)

  1504.                 {

  1505.                     delete[] fAudio16Buffers[i];

  1506.                     fAudio16Buffers[i] = nullptr;

  1507.                 }

  1508.             }

  1509. 

  1510.             delete[] fAudio16Buffers;

  1511.             fAudio16Buffers = nullptr;

  1512.         }

  1513. 

  1514.         CarlaPlugin::clearBuffers();

  1515. 

  1516.         carla_debug("FluidSynthPlugin::clearBuffers() - end");

  1517.     }

  1518. 

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

  1520. 

  1521.     const void* getExtraStuff() const noexcept override

  1522.     {

  1523.         static const char xtrue[]  = "true";

  1524.         static const char xfalse[] = "false";

  1525.         return kUse16Outs ? xtrue : xfalse;

  1526.     }

  1527. 

  1528.     // -------------------------------------------------------------------

  1529. 

  1530.     bool init(const char* const filename, const char* const name, const char* const label)

  1531.     {

  1532.         CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr, false);

  1533. 

  1534.         // ---------------------------------------------------------------

  1535.         // first checks

  1536. 

  1537.         if (pData->client != nullptr)

  1538.         {

  1539.             pData->engine->setLastError("Plugin client is already registered");

  1540.             return false;

  1541.         }

  1542. 

  1543.         if (fSynth == nullptr)

  1544.         {

  1545.             pData->engine->setLastError("null synth");

  1546.             return false;

  1547.         }

  1548. 

  1549.         if (filename == nullptr || filename[0] == '\0')

  1550.         {

  1551.             pData->engine->setLastError("null filename");

  1552.             return false;

  1553.         }

  1554. 

  1555.         if (label == nullptr || label[0] == '\0')

  1556.         {

  1557.             pData->engine->setLastError("null label");

  1558.             return false;

  1559.         }

  1560. 

  1561.         // ---------------------------------------------------------------

  1562.         // open soundfont

  1563. 

  1564.         const int synthId(fluid_synth_sfload(fSynth, filename, 0));

  1565. 

  1566.         if (synthId < 0)

  1567.         {

  1568.             pData->engine->setLastError("Failed to load SoundFont file");

  1569.             return false;

  1570.         }

  1571. 

  1572.         fSynthId = static_cast<uint>(synthId);

  1573. 

  1574.         // ---------------------------------------------------------------

  1575.         // get info

  1576. 

  1577.         CarlaString label2(label);

  1578. 

  1579.         if (kUse16Outs && ! label2.endsWith(" (16 outs)"))

  1580.             label2 += " (16 outs)";

  1581. 

  1582.         fLabel          = label2.dup();

  1583.         pData->filename = carla_strdup(filename);

  1584. 

  1585.         if (name != nullptr && name[0] != '\0')

  1586.             pData->name = pData->engine->getUniquePluginName(name);

  1587.         else

  1588.             pData->name = pData->engine->getUniquePluginName(label);

  1589. 

  1590.         // ---------------------------------------------------------------

  1591.         // register client

  1592. 

  1593.         pData->client = pData->engine->addClient(this);

  1594. 

  1595.         if (pData->client == nullptr || ! pData->client->isOk())

  1596.         {

  1597.             pData->engine->setLastError("Failed to register plugin client");

  1598.             return false;

  1599.         }

  1600. 

  1601.         // ---------------------------------------------------------------

  1602.         // set default options

  1603. 

  1604.         pData->options  = 0x0;

  1605.         pData->options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  1606.         pData->options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  1607.         pData->options |= PLUGIN_OPTION_SEND_PITCHBEND;

  1608.         pData->options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  1609. 

  1610.         return true;

  1611.     }

  1612. 

  1613. private:

  1614.     enum FluidSynthInputParameters {

  1615.         FluidSynthReverbOnOff    = 0,

  1616.         FluidSynthReverbRoomSize = 1,

  1617.         FluidSynthReverbDamp     = 2,

  1618.         FluidSynthReverbLevel    = 3,

  1619.         FluidSynthReverbWidth    = 4,

  1620.         FluidSynthChorusOnOff    = 5,

  1621.         FluidSynthChorusNr       = 6,

  1622.         FluidSynthChorusLevel    = 7,

  1623.         FluidSynthChorusSpeedHz  = 8,

  1624.         FluidSynthChorusDepthMs  = 9,

  1625.         FluidSynthChorusType     = 10,

  1626.         FluidSynthPolyphony      = 11,

  1627.         FluidSynthInterpolation  = 12,

  1628.         FluidSynthVoiceCount     = 13,

  1629.         FluidSynthParametersMax  = 14

  1630.     };

  1631. 

  1632.     const bool kUse16Outs;

  1633. 

  1634.     fluid_settings_t* fSettings;

  1635.     fluid_synth_t*    fSynth;

  1636.     uint              fSynthId;

  1637. 

  1638.     float** fAudio16Buffers;

  1639.     float   fParamBuffers[FluidSynthParametersMax];

  1640. 

  1641.     int32_t fCurMidiProgs[MAX_MIDI_CHANNELS];

  1642. 

  1643.     const char* fLabel;

  1644. 

  1645.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(FluidSynthPlugin)

  1646. };

  1647. 

  1648. CARLA_BACKEND_END_NAMESPACE

  1649. 

  1650. #endif // HAVE_FLUIDSYNTH

  1651. 

  1652. CARLA_BACKEND_START_NAMESPACE

  1653. 

  1654. // -------------------------------------------------------------------------------------------------------------------

  1655. 

  1656. CarlaPlugin* CarlaPlugin::newFluidSynth(const Initializer& init, const bool use16Outs)

  1657. {

  1658.     carla_debug("CarlaPlugin::newFluidSynth({%p, \"%s\", \"%s\", \"%s\", " P_INT64 "}, %s)", init.engine, init.filename, init.name, init.label, init.uniqueId, bool2str(use16Outs));

  1659. 

  1660. #ifdef HAVE_FLUIDSYNTH

  1661.     if (init.engine->getProccessMode() == ENGINE_PROCESS_MODE_CONTINUOUS_RACK && use16Outs)

  1662.     {

  1663.         init.engine->setLastError("Carla's rack mode can only work with Stereo modules, please choose the 2-channel only SoundFont version");

  1664.         return nullptr;

  1665.     }

  1666. 

  1667.     if (! fluid_is_soundfont(init.filename))

  1668.     {

  1669.         init.engine->setLastError("Requested file is not a valid SoundFont");

  1670.         return nullptr;

  1671.     }

  1672. 

  1673.     FluidSynthPlugin* const plugin(new FluidSynthPlugin(init.engine, init.id,  use16Outs));

  1674. 

  1675.     if (! plugin->init(init.filename, init.name, init.label))

  1676.     {

  1677.         delete plugin;

  1678.         return nullptr;

  1679.     }

  1680. 

  1681.     plugin->reload();

  1682. 

  1683.     return plugin;

  1684. #else

  1685.     init.engine->setLastError("fluidsynth support not available");

  1686.     return nullptr;

  1687. 

  1688.     // unused

  1689.     (void)use16Outs;

  1690. #endif

  1691. }

  1692. 

  1693. CarlaPlugin* CarlaPlugin::newFileSF2(const Initializer& init, const bool use16Outs)

  1694. {

  1695.     carla_debug("CarlaPlugin::newFileSF2({%p, \"%s\", \"%s\", \"%s\"}, %s)", init.engine, init.filename, init.name, init.label, bool2str(use16Outs));

  1696. #ifdef HAVE_FLUIDSYNTH

  1697.     return newFluidSynth(init, use16Outs);

  1698. #else

  1699.     init.engine->setLastError("SF2 support not available");

  1700.     return nullptr;

  1701. 

  1702.     // unused

  1703.     (void)use16Outs;

  1704. #endif

  1705. }

  1706. 

  1707. // -------------------------------------------------------------------------------------------------------------------

  1708. 

  1709. CARLA_BACKEND_END_NAMESPACE