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Carla/source/backend/plugin/FluidSynthPlugin.cpp

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  1. /*

  2.  * Carla FluidSynth Plugin

  3.  * Copyright (C) 2011-2013 Filipe Coelho <falktx@falktx.com>

  4.  *

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

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

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

  8.  * the License, or any later version.

  9.  *

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

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

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

  13.  * GNU General Public License for more details.

  14.  *

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

  16.  */

  17. 

  18. #include "CarlaPluginInternal.hpp"

  19. 

  20. #ifdef WANT_FLUIDSYNTH

  21. 

  22. #include <fluidsynth.h>

  23. 

  24. #include <QtCore/QStringList>

  25. 

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

  27. # define FLUIDSYNTH_VERSION_NEW_API

  28. #endif

  29. 

  30. CARLA_BACKEND_START_NAMESPACE

  31. 

  32. #if 0

  33. }

  34. #endif

  35. 

  36. #define FLUID_DEFAULT_POLYPHONY 64

  37. 

  38. class FluidSynthPlugin : public CarlaPlugin

  39. {

  40. public:

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

  42.         : CarlaPlugin(engine, id),

  43.           fUses16Outs(use16Outs),

  44.           fSettings(nullptr),

  45.           fSynth(nullptr),

  46.           fSynthId(-1),

  47.           fAudio16Buffers(nullptr),

  48.           fLabel(nullptr)

  49.     {

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

  51. 

  52.         FLOAT_CLEAR(fParamBuffers, FluidSynthParametersMax);

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

  54. 

  55.         // create settings

  56.         fSettings = new_fluid_settings();

  57.         CARLA_SAFE_ASSERT_RETURN(fSettings != nullptr,);

  58. 

  59.         // define settings

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

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

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

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

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

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

  66. 

  67.         // create synth

  68.         fSynth = new_fluid_synth(fSettings);

  69.         CARLA_SAFE_ASSERT_RETURN(fSynth != nullptr,);

  70. 

  71. #ifdef FLUIDSYNTH_VERSION_NEW_API

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

  73. #endif

  74. 

  75.         // set default values

  76.         fluid_synth_set_reverb_on(fSynth, 1);

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

  78. 

  79.         fluid_synth_set_chorus_on(fSynth, 1);

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

  81. 

  82.         fluid_synth_set_polyphony(fSynth, FLUID_DEFAULT_POLYPHONY);

  83.         fluid_synth_set_gain(fSynth, 1.0f);

  84. 

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

  86.             fluid_synth_set_interp_method(fSynth, i, FLUID_INTERP_DEFAULT);

  87.     }

  88. 

  89.     ~FluidSynthPlugin() override

  90.     {

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

  92. 

  93.         pData->singleMutex.lock();

  94.         pData->masterMutex.lock();

  95. 

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

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

  98. 

  99.         if (pData->active)

  100.         {

  101.             deactivate();

  102.             pData->active = false;

  103.         }

  104. 

  105.         if (fSynth != nullptr)

  106.         {

  107.             delete_fluid_synth(fSynth);

  108.             fSynth = nullptr;

  109.         }

  110. 

  111.         if (fSettings != nullptr)

  112.         {

  113.             delete_fluid_settings(fSettings);

  114.             fSettings = nullptr;

  115.         }

  116. 

  117.         if (fLabel != nullptr)

  118.         {

  119.             delete[] fLabel;

  120.             fLabel = nullptr;

  121.         }

  122. 

  123.         clearBuffers();

  124.     }

  125. 

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

  127.     // Information (base)

  128. 

  129.     PluginType getType() const noexcept override

  130.     {

  131.         return PLUGIN_SF2;

  132.     }

  133. 

  134.     PluginCategory getCategory() const override

  135.     {

  136.         return PLUGIN_CATEGORY_SYNTH;

  137.     }

  138. 

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

  140.     // Information (count)

  141. 

  142.     uint32_t getParameterScalePointCount(const uint32_t parameterId) const override

  143.     {

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

  145. 

  146.         switch (parameterId)

  147.         {

  148.         case FluidSynthChorusType:

  149.             return 2;

  150.         case FluidSynthInterpolation:

  151.             return 4;

  152.         default:

  153.             return 0;

  154.         }

  155.     }

  156. 

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

  158.     // Information (current data)

  159. 

  160.     // nothing

  161. 

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

  163.     // Information (per-plugin data)

  164. 

  165.     unsigned int getOptionsAvailable() const override

  166.     {

  167.         unsigned int options = 0x0;

  168. 

  169.         options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  170.         options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  171.         options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  172.         options |= PLUGIN_OPTION_SEND_PITCHBEND;

  173.         options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  174. 

  175.         return options;

  176.     }

  177. 

  178.     float getParameterValue(const uint32_t parameterId) const override

  179.     {

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

  181. 

  182.         return fParamBuffers[parameterId];

  183.     }

  184. 

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

  186.     {

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

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

  189. 

  190.         switch (parameterId)

  191.         {

  192.         case FluidSynthChorusType:

  193.             switch (scalePointId)

  194.             {

  195.             case 0:

  196.                 return FLUID_CHORUS_MOD_SINE;

  197.             case 1:

  198.                 return FLUID_CHORUS_MOD_TRIANGLE;

  199.             default:

  200.                 return FLUID_CHORUS_DEFAULT_TYPE;

  201.             }

  202.         case FluidSynthInterpolation:

  203.             switch (scalePointId)

  204.             {

  205.             case 0:

  206.                 return FLUID_INTERP_NONE;

  207.             case 1:

  208.                 return FLUID_INTERP_LINEAR;

  209.             case 2:

  210.                 return FLUID_INTERP_4THORDER;

  211.             case 3:

  212.                 return FLUID_INTERP_7THORDER;

  213.             default:

  214.                 return FLUID_INTERP_DEFAULT;

  215.             }

  216.         default:

  217.             return 0.0f;

  218.         }

  219.     }

  220. 

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

  222.     {

  223.         if (fLabel != nullptr)

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

  225.         else

  226.             CarlaPlugin::getLabel(strBuf);

  227.     }

  228. 

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

  230.     {

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

  232.     }

  233. 

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

  235.     {

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

  237.     }

  238. 

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

  240.     {

  241.         getLabel(strBuf);

  242.     }

  243. 

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

  245.     {

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

  247. 

  248.         switch (parameterId)

  249.         {

  250.         case FluidSynthReverbOnOff:

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

  252.             break;

  253.         case FluidSynthReverbRoomSize:

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

  255.             break;

  256.         case FluidSynthReverbDamp:

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

  258.             break;

  259.         case FluidSynthReverbLevel:

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

  261.             break;

  262.         case FluidSynthReverbWidth:

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

  264.             break;

  265.         case FluidSynthChorusOnOff:

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

  267.             break;

  268.         case FluidSynthChorusNr:

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

  270.             break;

  271.         case FluidSynthChorusLevel:

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

  273.             break;

  274.         case FluidSynthChorusSpeedHz:

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

  276.             break;

  277.         case FluidSynthChorusDepthMs:

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

  279.             break;

  280.         case FluidSynthChorusType:

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

  282.             break;

  283.         case FluidSynthPolyphony:

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

  285.             break;

  286.         case FluidSynthInterpolation:

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

  288.             break;

  289.         case FluidSynthVoiceCount:

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

  291.             break;

  292.         default:

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

  294.             break;

  295.         }

  296.     }

  297. 

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

  299.     {

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

  301. 

  302.         switch (parameterId)

  303.         {

  304.         case FluidSynthChorusSpeedHz:

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

  306.             break;

  307.         case FluidSynthChorusDepthMs:

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

  309.             break;

  310.         default:

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

  312.             break;

  313.         }

  314.     }

  315. 

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

  317.     {

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

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

  320. 

  321.         switch (parameterId)

  322.         {

  323.         case FluidSynthChorusType:

  324.             switch (scalePointId)

  325.             {

  326.             case 0:

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

  328.                 return;

  329.             case 1:

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

  331.                 return;

  332.             }

  333.         case FluidSynthInterpolation:

  334.             switch (scalePointId)

  335.             {

  336.             case 0:

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

  338.                 return;

  339.             case 1:

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

  341.                 return;

  342.             case 2:

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

  344.                 return;

  345.             case 3:

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

  347.                 return;

  348.             }

  349.         }

  350. 

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

  352.     }

  353. 

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

  355.     // Set data (state)

  356. 

  357.     void prepareForSave() override

  358.     {

  359.         CARLA_SAFE_ASSERT_RETURN(fSynth != nullptr,);

  360. 

  361.         char strBuf[STR_MAX+1];

  362.         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],

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

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

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

  366. 

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

  368.     }

  369. 

  370.     // -------------------------------------------------------------------

  371.     // Set data (internal stuff)

  372. 

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

  374.     {

  375.         if (channel < MAX_MIDI_CHANNELS)

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

  377. 

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

  379.     }

  380. 

  381.     // -------------------------------------------------------------------

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

  383. 

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

  385.     {

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

  387. 

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

  389.         fParamBuffers[parameterId] = fixedValue;

  390. 

  391.         {

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

  393. 

  394.             switch (parameterId)

  395.             {

  396.             case FluidSynthReverbOnOff:

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

  398.                 break;

  399. 

  400.             case FluidSynthReverbRoomSize:

  401.             case FluidSynthReverbDamp:

  402.             case FluidSynthReverbLevel:

  403.             case FluidSynthReverbWidth:

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

  405.                 break;

  406. 

  407.             case FluidSynthChorusOnOff:

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

  409.                 break;

  410. 

  411.             case FluidSynthChorusNr:

  412.             case FluidSynthChorusLevel:

  413.             case FluidSynthChorusSpeedHz:

  414.             case FluidSynthChorusDepthMs:

  415.             case FluidSynthChorusType:

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

  417.                 break;

  418. 

  419.             case FluidSynthPolyphony:

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

  421.                 break;

  422. 

  423.             case FluidSynthInterpolation:

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

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

  426.                 break;

  427. 

  428.             default:

  429.                 break;

  430.             }

  431.         }

  432. 

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

  434.     }

  435. 

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

  437.     {

  438.         CARLA_SAFE_ASSERT_RETURN(fSynth != nullptr,);

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

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

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

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

  443. 

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

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

  446. 

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

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

  449. 

  450.         if (! fUses16Outs)

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

  452. 

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

  454. 

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

  456.         {

  457.             uint i = 0;

  458.             foreach (const QString& midiProg, midiProgramList)

  459.             {

  460.                 bool ok;

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

  462. 

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

  464.                 {

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

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

  467. 

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

  469.                     fCurMidiProgs[i] = index;

  470. 

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

  472.                     {

  473.                         pData->midiprog.current = index;

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

  475.                     }

  476.                 }

  477. 

  478.                 ++i;

  479.             }

  480.         }

  481. 

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

  483.     }

  484. 

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

  486.     {

  487.         CARLA_ASSERT(fSynth != nullptr);

  488.         CARLA_ASSERT(index >= -1 && index < static_cast<int32_t>(pData->midiprog.count));

  489. 

  490.         if (index < -1)

  491.             index = -1;

  492.         else if (index > static_cast<int32_t>(pData->midiprog.count))

  493.             return;

  494. 

  495.         if (pData->ctrlChannel < 0 || pData->ctrlChannel >= MAX_MIDI_CHANNELS)

  496.             return;

  497. 

  498.         if (index >= 0)

  499.         {

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

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

  502. 

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

  504. 

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

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

  507.         }

  508. 

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

  510.     }

  511. 

  512.     // -------------------------------------------------------------------

  513.     // Set gui stuff

  514. 

  515.     // nothing

  516. 

  517.     // -------------------------------------------------------------------

  518.     // Plugin state

  519. 

  520.     void reload() override

  521.     {

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

  523.         CARLA_SAFE_ASSERT_RETURN(fSynth != nullptr,);

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

  525. 

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

  527. 

  528.         // Safely disable plugin for reload

  529.         const ScopedDisabler sd(this);

  530. 

  531.         if (pData->active)

  532.             deactivate();

  533. 

  534.         clearBuffers();

  535. 

  536.         uint32_t aOuts, params, j;

  537.         aOuts  = fUses16Outs ? 32 : 2;

  538.         params = FluidSynthParametersMax;

  539. 

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

  541.         pData->param.createNew(params);

  542. 

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

  544.         CarlaString portName;

  545. 

  546.         // ---------------------------------------

  547.         // Audio Outputs

  548. 

  549.         if (fUses16Outs)

  550.         {

  551.             for (j=0; j < 32; ++j)

  552.             {

  553.                 portName.clear();

  554. 

  555.                 if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  556.                 {

  557.                     portName  = pData->name;

  558.                     portName += ":";

  559.                 }

  560. 

  561.                 portName += "out-";

  562. 

  563.                 if ((j+2)/2 < 9)

  564.                     portName += "0";

  565. 

  566.                 portName += CarlaString((j+2)/2);

  567. 

  568.                 if (j % 2 == 0)

  569.                     portName += "L";

  570.                 else

  571.                     portName += "R";

  572. 

  573.                 portName.truncate(portNameSize);

  574. 

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

  576.                 pData->audioOut.ports[j].rindex = j;

  577.             }

  578. 

  579.             fAudio16Buffers = new float*[aOuts];

  580. 

  581.             for (j=0; j < aOuts; ++j)

  582.                 fAudio16Buffers[j] = nullptr;

  583.         }

  584.         else

  585.         {

  586.             // out-left

  587.             portName.clear();

  588. 

  589.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  590.             {

  591.                 portName  = pData->name;

  592.                 portName += ":";

  593.             }

  594. 

  595.             portName += "out-left";

  596.             portName.truncate(portNameSize);

  597. 

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

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

  600. 

  601.             // out-right

  602.             portName.clear();

  603. 

  604.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  605.             {

  606.                 portName  = pData->name;

  607.                 portName += ":";

  608.             }

  609. 

  610.             portName += "out-right";

  611.             portName.truncate(portNameSize);

  612. 

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

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

  615.         }

  616. 

  617.         // ---------------------------------------

  618.         // Event Input

  619. 

  620.         {

  621.             portName.clear();

  622. 

  623.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  624.             {

  625.                 portName  = pData->name;

  626.                 portName += ":";

  627.             }

  628. 

  629.             portName += "event-in";

  630.             portName.truncate(portNameSize);

  631. 

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

  633.         }

  634. 

  635.         // ---------------------------------------

  636.         // Event Output

  637. 

  638.         {

  639.             portName.clear();

  640. 

  641.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  642.             {

  643.                 portName  = pData->name;

  644.                 portName += ":";

  645.             }

  646. 

  647.             portName += "event-out";

  648.             portName.truncate(portNameSize);

  649. 

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

  651.         }

  652. 

  653.         // ----------------------

  654.         j = FluidSynthReverbOnOff;

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

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

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

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

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

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

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

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

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

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

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

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

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

  668. 

  669.         // ----------------------

  670.         j = FluidSynthReverbRoomSize;

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

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

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

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

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

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

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

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

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

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

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

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

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

  684. 

  685.         // ----------------------

  686.         j = FluidSynthReverbDamp;

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

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

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

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

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

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

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

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

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

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

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

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

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

  700. 

  701.         // ----------------------

  702.         j = FluidSynthReverbLevel;

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

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

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

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

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

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

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

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

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

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

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

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

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

  716. 

  717.         // ----------------------

  718.         j = FluidSynthReverbWidth;

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

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

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

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

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

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

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

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

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

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

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

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

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

  732. 

  733.         // ----------------------

  734.         j = FluidSynthChorusOnOff;

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

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

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

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

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

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

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

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

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

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

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

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

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

  748. 

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

  750.         j = FluidSynthChorusNr;

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

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

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

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

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

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

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

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

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

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

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

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

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

  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.data[j].midiChannel = 0;

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

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

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

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

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

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

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

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

  780. 

  781.         // ----------------------

  782.         j = FluidSynthChorusSpeedHz;

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

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

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

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

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

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

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

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

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

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

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

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

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

  796. 

  797.         // ----------------------

  798.         j = FluidSynthChorusDepthMs;

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

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

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

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

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

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

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

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

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

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

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

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

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

  812. 

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

  814.         j = FluidSynthChorusType;

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

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

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

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

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

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

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

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

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

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

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

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

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

  828. 

  829.         // ----------------------

  830.         j = FluidSynthPolyphony;

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

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

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

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

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

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

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

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

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

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

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

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

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

  844. 

  845.         // ----------------------

  846.         j = FluidSynthInterpolation;

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

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

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

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

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

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

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

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

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

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

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

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

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

  860. 

  861.         // ----------------------

  862.         j = FluidSynthVoiceCount;

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

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

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

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

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

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

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

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

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

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

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

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

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

  876. 

  877.         // ---------------------------------------

  878. 

  879.         // plugin hints

  880.         pData->hints  = 0x0;

  881.         pData->hints |= PLUGIN_IS_SYNTH;

  882.         pData->hints |= PLUGIN_CAN_VOLUME;

  883.         pData->hints |= PLUGIN_CAN_BALANCE;

  884. 

  885.         // extra plugin hints

  886.         pData->extraHints  = 0x0;

  887.         pData->extraHints |= PLUGIN_EXTRA_HINT_HAS_MIDI_IN;

  888. 

  889.         if (! fUses16Outs)

  890.             pData->extraHints |= PLUGIN_EXTRA_HINT_CAN_RUN_RACK;

  891. 

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

  893.         reloadPrograms(true);

  894. 

  895.         if (pData->active)

  896.             activate();

  897. 

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

  899.     }

  900. 

  901.     void reloadPrograms(const bool init) override

  902.     {

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

  904. 

  905.         // Delete old programs

  906.         pData->midiprog.clear();

  907. 

  908.         // Query new programs

  909.         uint32_t count = 0;

  910.         fluid_sfont_t* f_sfont;

  911.         fluid_preset_t f_preset;

  912. 

  913.         bool hasDrums = false;

  914.         uint32_t drumIndex, drumProg;

  915. 

  916.         f_sfont = fluid_synth_get_sfont_by_id(fSynth, fSynthId);

  917. 

  918.         // initial check to know how much midi-programs we have

  919.         f_sfont->iteration_start(f_sfont);

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

  921.             count += 1;

  922. 

  923.         // soundfonts must always have at least 1 midi-program

  924.         CARLA_ASSERT(count > 0);

  925. 

  926.         if (count == 0)

  927.             return;

  928. 

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

  930. 

  931.         // Update data

  932.         uint32_t i = 0;

  933.         f_sfont->iteration_start(f_sfont);

  934. 

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

  936.         {

  937.             CARLA_ASSERT(i < pData->midiprog.count);

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

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

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

  941. 

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

  943.             {

  944.                 hasDrums  = true;

  945.                 drumIndex = i;

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

  947.             }

  948. 

  949.             ++i;

  950.         }

  951. 

  952.         //f_sfont->free(f_sfont);

  953. 

  954. #ifndef BUILD_BRIDGE

  955.         // Update OSC Names

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

  957.         {

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

  959. 

  960.             for (i=0; i < count; ++i)

  961.                 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);

  962.         }

  963. #endif

  964. 

  965.         if (init)

  966.         {

  967.             fluid_synth_program_reset(fSynth);

  968. 

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

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

  971.             {

  972. #ifdef FLUIDSYNTH_VERSION_NEW_API

  973.                 fluid_synth_set_channel_type(fSynth, i, CHANNEL_TYPE_MELODIC);

  974. #endif

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

  976. 

  977.                 fCurMidiProgs[i] = 0;

  978.             }

  979. 

  980.             if (hasDrums)

  981.             {

  982. #ifdef FLUIDSYNTH_VERSION_NEW_API

  983.                 fluid_synth_set_channel_type(fSynth, 9, CHANNEL_TYPE_DRUM);

  984. #endif

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

  986. 

  987.                 fCurMidiProgs[9] = drumIndex;

  988.             }

  989.             else

  990.             {

  991. #ifdef FLUIDSYNTH_VERSION_NEW_API

  992.                 fluid_synth_set_channel_type(fSynth, 9, CHANNEL_TYPE_MELODIC);

  993. #endif

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

  995. 

  996.                 fCurMidiProgs[9] = 0;

  997.             }

  998. 

  999.             pData->midiprog.current = 0;

  1000.         }

  1001.         else

  1002.         {

  1003.             pData->engine->callback(ENGINE_CALLBACK_RELOAD_PROGRAMS, pData->id, 0, 0, 0.0f, nullptr);

  1004.         }

  1005.     }

  1006. 

  1007.     // -------------------------------------------------------------------

  1008.     // Plugin processing

  1009. 

  1010.     void process(float** const, float** const outBuffer, const uint32_t frames) override

  1011.     {

  1012.         uint32_t i, k;

  1013. 

  1014.         // --------------------------------------------------------------------------------------------------------

  1015.         // Check if active

  1016. 

  1017.         if (! pData->active)

  1018.         {

  1019.             // disable any output sound

  1020.             for (i=0; i < pData->audioOut.count; ++i)

  1021.             {

  1022. #ifdef HAVE_JUCE

  1023.                 FloatVectorOperations::clear(outBuffer[i], frames);

  1024. #else

  1025. #endif

  1026.             }

  1027. 

  1028.             return;

  1029.         }

  1030. 

  1031.         // --------------------------------------------------------------------------------------------------------

  1032.         // Check if needs reset

  1033. 

  1034.         if (pData->needsReset)

  1035.         {

  1036.             if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1037.             {

  1038.                 for (int c=0; c < MAX_MIDI_CHANNELS; ++c)

  1039.                 {

  1040. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1041.                     fluid_synth_all_notes_off(fSynth, c);

  1042.                     fluid_synth_all_sounds_off(fSynth, c);

  1043. #else

  1044.                     fluid_synth_cc(fSynth, c, MIDI_CONTROL_ALL_SOUND_OFF, 0);

  1045.                     fluid_synth_cc(fSynth, c, MIDI_CONTROL_ALL_NOTES_OFF, 0);

  1046. #endif

  1047.                 }

  1048.             }

  1049.             else if (pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1050.             {

  1051.                 for (k=0; k < MAX_MIDI_NOTE; ++k)

  1052.                     fluid_synth_noteoff(fSynth, pData->ctrlChannel, k);

  1053.             }

  1054. 

  1055.             pData->needsReset = false;

  1056.         }

  1057. 

  1058.         // --------------------------------------------------------------------------------------------------------

  1059.         // Event Input and Processing

  1060. 

  1061.         {

  1062.             // ----------------------------------------------------------------------------------------------------

  1063.             // MIDI Input (External)

  1064. 

  1065.             if (pData->extNotes.mutex.tryLock())

  1066.             {

  1067.                 while (! pData->extNotes.data.isEmpty())

  1068.                 {

  1069.                     const ExternalMidiNote& note(pData->extNotes.data.getFirst(true));

  1070. 

  1071.                     CARLA_ASSERT(note.channel >= 0 && note.channel < MAX_MIDI_CHANNELS);

  1072. 

  1073.                     if (note.velo > 0)

  1074.                         fluid_synth_noteon(fSynth, note.channel, note.note, note.velo);

  1075.                     else

  1076.                         fluid_synth_noteoff(fSynth,note.channel, note.note);

  1077.                 }

  1078. 

  1079.                 pData->extNotes.mutex.unlock();

  1080. 

  1081.             } // End of MIDI Input (External)

  1082. 

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

  1084.             // Event Input (System)

  1085. 

  1086.             bool allNotesOffSent = false;

  1087. 

  1088.             uint32_t time, nEvents = pData->event.portIn->getEventCount();

  1089.             uint32_t timeOffset = 0;

  1090. 

  1091.             uint32_t nextBankIds[MAX_MIDI_CHANNELS] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 0, 0, 0, 0, 0, 0 };

  1092. 

  1093.             if (pData->midiprog.current >= 0 && pData->midiprog.count > 0 && pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1094.                 nextBankIds[pData->ctrlChannel] = pData->midiprog.data[pData->midiprog.current].bank;

  1095. 

  1096.             for (i=0; i < nEvents; ++i)

  1097.             {

  1098.                 const EngineEvent& event(pData->event.portIn->getEvent(i));

  1099. 

  1100.                 time = event.time;

  1101. 

  1102.                 if (time >= frames)

  1103.                     continue;

  1104. 

  1105.                 CARLA_ASSERT_INT2(time >= timeOffset, time, timeOffset);

  1106. 

  1107.                 if (time > timeOffset)

  1108.                 {

  1109.                     if (processSingle(outBuffer, time - timeOffset, timeOffset))

  1110.                     {

  1111.                         timeOffset = time;

  1112. 

  1113.                         if (pData->midiprog.current >= 0 && pData->midiprog.count > 0 && pData->ctrlChannel >= 0 && pData->ctrlChannel < 16)

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

  1115.                     }

  1116.                 }

  1117. 

  1118.                 // Control change

  1119.                 switch (event.type)

  1120.                 {

  1121.                 case kEngineEventTypeNull:

  1122.                     break;

  1123. 

  1124.                 case kEngineEventTypeControl:

  1125.                 {

  1126.                     const EngineControlEvent& ctrlEvent = event.ctrl;

  1127. 

  1128.                     switch (ctrlEvent.type)

  1129.                     {

  1130.                     case kEngineControlEventTypeNull:

  1131.                         break;

  1132. 

  1133.                     case kEngineControlEventTypeParameter:

  1134.                     {

  1135. #ifndef BUILD_BRIDGE

  1136.                         // Control backend stuff

  1137.                         if (event.channel == pData->ctrlChannel)

  1138.                         {

  1139.                             float value;

  1140. 

  1141.                             if (MIDI_IS_CONTROL_BREATH_CONTROLLER(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_DRYWET) != 0)

  1142.                             {

  1143.                                 value = ctrlEvent.value;

  1144.                                 setDryWet(value, false, false);

  1145.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_DRYWET, 0, value);

  1146.                             }

  1147. 

  1148.                             if (MIDI_IS_CONTROL_CHANNEL_VOLUME(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_VOLUME) != 0)

  1149.                             {

  1150.                                 value = ctrlEvent.value*127.0f/100.0f;

  1151.                                 setVolume(value, false, false);

  1152.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_VOLUME, 0, value);

  1153.                             }

  1154. 

  1155.                             if (MIDI_IS_CONTROL_BALANCE(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_BALANCE) != 0)

  1156.                             {

  1157.                                 float left, right;

  1158.                                 value = ctrlEvent.value/0.5f - 1.0f;

  1159. 

  1160.                                 if (value < 0.0f)

  1161.                                 {

  1162.                                     left  = -1.0f;

  1163.                                     right = (value*2.0f)+1.0f;

  1164.                                 }

  1165.                                 else if (value > 0.0f)

  1166.                                 {

  1167.                                     left  = (value*2.0f)-1.0f;

  1168.                                     right = 1.0f;

  1169.                                 }

  1170.                                 else

  1171.                                 {

  1172.                                     left  = -1.0f;

  1173.                                     right = 1.0f;

  1174.                                 }

  1175. 

  1176.                                 setBalanceLeft(left, false, false);

  1177.                                 setBalanceRight(right, false, false);

  1178.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_LEFT, 0, left);

  1179.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_RIGHT, 0, right);

  1180.                             }

  1181.                         }

  1182. #endif

  1183. 

  1184.                         // Control plugin parameters

  1185.                         for (k=0; k < pData->param.count; ++k)

  1186.                         {

  1187.                             if (pData->param.data[k].midiChannel != event.channel)

  1188.                                 continue;

  1189.                             if (pData->param.data[k].midiCC != ctrlEvent.param)

  1190.                                 continue;

  1191.                             if (pData->param.data[k].hints != PARAMETER_INPUT)

  1192.                                 continue;

  1193.                             if ((pData->param.data[k].hints & PARAMETER_IS_AUTOMABLE) == 0)

  1194.                                 continue;

  1195. 

  1196.                             float value;

  1197. 

  1198.                             if (pData->param.data[k].hints & PARAMETER_IS_BOOLEAN)

  1199.                             {

  1200.                                 value = (ctrlEvent.value < 0.5f) ? pData->param.ranges[k].min : pData->param.ranges[k].max;

  1201.                             }

  1202.                             else

  1203.                             {

  1204.                                 value = pData->param.ranges[k].getUnnormalizedValue(ctrlEvent.value);

  1205. 

  1206.                                 if (pData->param.data[k].hints & PARAMETER_IS_INTEGER)

  1207.                                     value = std::rint(value);

  1208.                             }

  1209. 

  1210.                             setParameterValue(k, value, false, false, false);

  1211.                             pData->postponeRtEvent(kPluginPostRtEventParameterChange, static_cast<int32_t>(k), 0, value);

  1212.                         }

  1213. 

  1214.                         if ((pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0 && ctrlEvent.param <= 0x5F)

  1215.                         {

  1216.                             fluid_synth_cc(fSynth, event.channel, ctrlEvent.param, int(ctrlEvent.value*127.0f));

  1217.                         }

  1218. 

  1219.                         break;

  1220.                     }

  1221. 

  1222.                     case kEngineControlEventTypeMidiBank:

  1223.                         if (event.channel < MAX_MIDI_CHANNELS && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1224.                             nextBankIds[event.channel] = ctrlEvent.param;

  1225.                         break;

  1226. 

  1227.                     case kEngineControlEventTypeMidiProgram:

  1228.                         if (event.channel < MAX_MIDI_CHANNELS && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1229.                         {

  1230.                             const uint32_t bankId(nextBankIds[event.channel]);

  1231.                             const uint32_t progId(ctrlEvent.param);

  1232. 

  1233.                             for (k=0; k < pData->midiprog.count; ++k)

  1234.                             {

  1235.                                 if (pData->midiprog.data[k].bank == bankId && pData->midiprog.data[k].program == progId)

  1236.                                 {

  1237.                                     fluid_synth_program_select(fSynth, event.channel, fSynthId, bankId, progId);

  1238.                                     fCurMidiProgs[event.channel] = k;

  1239. 

  1240.                                     if (event.channel == pData->ctrlChannel)

  1241.                                         pData->postponeRtEvent(kPluginPostRtEventMidiProgramChange, k, 0, 0.0f);

  1242. 

  1243.                                     break;

  1244.                                 }

  1245.                             }

  1246.                         }

  1247.                         break;

  1248. 

  1249.                     case kEngineControlEventTypeAllSoundOff:

  1250.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1251.                         {

  1252. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1253.                             fluid_synth_all_sounds_off(fSynth, event.channel);

  1254. #else

  1255.                             fluid_synth_cc(fSynth, event.channel, MIDI_CONTROL_ALL_SOUND_OFF, 0);

  1256. #endif

  1257.                         }

  1258.                         break;

  1259. 

  1260.                     case kEngineControlEventTypeAllNotesOff:

  1261.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1262.                         {

  1263.                             if (event.channel == pData->ctrlChannel && ! allNotesOffSent)

  1264.                             {

  1265.                                 allNotesOffSent = true;

  1266.                                 sendMidiAllNotesOffToCallback();

  1267.                             }

  1268. 

  1269. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1270.                             fluid_synth_all_notes_off(fSynth, event.channel);

  1271. #else

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

  1273. #endif

  1274.                         }

  1275.                         break;

  1276.                     }

  1277. 

  1278.                     break;

  1279.                 }

  1280. 

  1281.                 case kEngineEventTypeMidi:

  1282.                 {

  1283.                     const EngineMidiEvent& midiEvent(event.midi);

  1284. 

  1285.                     uint8_t status  = MIDI_GET_STATUS_FROM_DATA(midiEvent.data);

  1286.                     uint8_t channel = event.channel;

  1287. 

  1288.                     // Fix bad note-off

  1289.                     if (MIDI_IS_STATUS_NOTE_ON(status) && midiEvent.data[2] == 0)

  1290.                         status = MIDI_STATUS_NOTE_OFF;

  1291. 

  1292.                     if (MIDI_IS_STATUS_NOTE_OFF(status))

  1293.                     {

  1294.                         const uint8_t note = midiEvent.data[1];

  1295. 

  1296.                         fluid_synth_noteoff(fSynth, channel, note);

  1297. 

  1298.                         pData->postponeRtEvent(kPluginPostRtEventNoteOff, channel, note, 0.0f);

  1299.                     }

  1300.                     else if (MIDI_IS_STATUS_NOTE_ON(status))

  1301.                     {

  1302.                         const uint8_t note = midiEvent.data[1];

  1303.                         const uint8_t velo = midiEvent.data[2];

  1304. 

  1305.                         fluid_synth_noteon(fSynth, channel, note, velo);

  1306. 

  1307.                         pData->postponeRtEvent(kPluginPostRtEventNoteOn, channel, note, velo);

  1308.                     }

  1309.                     else if (MIDI_IS_STATUS_POLYPHONIC_AFTERTOUCH(status) && (pData->options & PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH) != 0)

  1310.                     {

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

  1312.                         //const uint8_t pressure = midiEvent.data[2];

  1313. 

  1314.                         // TODO, not in fluidsynth API

  1315.                     }

  1316.                     else if (MIDI_IS_STATUS_CONTROL_CHANGE(status) && (pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0)

  1317.                     {

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

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

  1320. 

  1321.                         fluid_synth_cc(fSynth, channel, control, value);

  1322.                     }

  1323.                     else if (MIDI_IS_STATUS_CHANNEL_PRESSURE(status) && (pData->options & PLUGIN_OPTION_SEND_CHANNEL_PRESSURE) != 0)

  1324.                     {

  1325.                         const uint8_t pressure = midiEvent.data[1];

  1326. 

  1327.                         fluid_synth_channel_pressure(fSynth, channel, pressure);;

  1328.                     }

  1329.                     else if (MIDI_IS_STATUS_PITCH_WHEEL_CONTROL(status) && (pData->options & PLUGIN_OPTION_SEND_PITCHBEND) != 0)

  1330.                     {

  1331.                         const uint8_t lsb = midiEvent.data[1];

  1332.                         const uint8_t msb = midiEvent.data[2];

  1333. 

  1334.                         fluid_synth_pitch_bend(fSynth, channel, (msb << 7) | lsb);

  1335.                     }

  1336. 

  1337.                     break;

  1338.                 }

  1339.                 }

  1340.             }

  1341. 

  1342.             pData->postRtEvents.trySplice();

  1343. 

  1344.             if (frames > timeOffset)

  1345.                 processSingle(outBuffer, frames - timeOffset, timeOffset);

  1346. 

  1347.         } // End of Event Input and Processing

  1348. 

  1349.         CARLA_PROCESS_CONTINUE_CHECK;

  1350. 

  1351.         // --------------------------------------------------------------------------------------------------------

  1352.         // Control Output

  1353. 

  1354.         {

  1355.             k = FluidSynthVoiceCount;

  1356.             fParamBuffers[k] = (float)fluid_synth_get_active_voice_count(fSynth);

  1357.             pData->param.ranges[k].fixValue(fParamBuffers[k]);

  1358. 

  1359.             if (pData->param.data[k].midiCC > 0)

  1360.             {

  1361.                 float value(pData->param.ranges[k].getNormalizedValue(fParamBuffers[k]));

  1362.                 pData->event.portOut->writeControlEvent(0, pData->param.data[k].midiChannel, kEngineControlEventTypeParameter, pData->param.data[k].midiCC, value);

  1363.             }

  1364. 

  1365.         } // End of Control Output

  1366.     }

  1367. 

  1368.     bool processSingle(float** const outBuffer, const uint32_t frames, const uint32_t timeOffset)

  1369.     {

  1370.         CARLA_SAFE_ASSERT_RETURN(outBuffer != nullptr, false);

  1371.         CARLA_SAFE_ASSERT_RETURN(frames > 0, false);

  1372. 

  1373.         uint32_t i, k;

  1374. 

  1375.         // --------------------------------------------------------------------------------------------------------

  1376.         // Try lock, silence otherwise

  1377. 

  1378.         if (pData->engine->isOffline())

  1379.         {

  1380.             pData->singleMutex.lock();

  1381.         }

  1382.         else if (! pData->singleMutex.tryLock())

  1383.         {

  1384.             for (i=0; i < pData->audioOut.count; ++i)

  1385.             {

  1386.                 for (k=0; k < frames; ++k)

  1387.                     outBuffer[i][k+timeOffset] = 0.0f;

  1388.             }

  1389. 

  1390.             return false;

  1391.         }

  1392. 

  1393.         // --------------------------------------------------------------------------------------------------------

  1394.         // Fill plugin buffers and Run plugin

  1395. 

  1396.         if (fUses16Outs)

  1397.         {

  1398.             for (i=0; i < pData->audioOut.count; ++i)

  1399.                 FLOAT_CLEAR(fAudio16Buffers[i], frames);

  1400. 

  1401.             fluid_synth_process(fSynth, frames, 0, nullptr, pData->audioOut.count, fAudio16Buffers);

  1402.         }

  1403.         else

  1404.             fluid_synth_write_float(fSynth, frames, outBuffer[0] + timeOffset, 0, 1, outBuffer[1] + timeOffset, 0, 1);

  1405. 

  1406. #ifndef BUILD_BRIDGE

  1407.         // --------------------------------------------------------------------------------------------------------

  1408.         // Post-processing (volume and balance)

  1409. 

  1410.         {

  1411.             // note - balance not possible with fUses16Outs, so we can safely skip fAudioOutBuffers

  1412.             const bool doVolume  = (pData->hints & PLUGIN_CAN_VOLUME) > 0 && pData->postProc.volume != 1.0f;

  1413.             const bool doBalance = (pData->hints & PLUGIN_CAN_BALANCE) > 0 && (pData->postProc.balanceLeft != -1.0f || pData->postProc.balanceRight != 1.0f);

  1414. 

  1415.             float oldBufLeft[doBalance ? frames : 1];

  1416. 

  1417.             for (i=0; i < pData->audioOut.count; ++i)

  1418.             {

  1419.                 // Balance

  1420.                 if (doBalance)

  1421.                 {

  1422.                     if (i % 2 == 0)

  1423.                         FLOAT_COPY(oldBufLeft, outBuffer[i]+timeOffset, frames);

  1424. 

  1425.                     float balRangeL = (pData->postProc.balanceLeft  + 1.0f)/2.0f;

  1426.                     float balRangeR = (pData->postProc.balanceRight + 1.0f)/2.0f;

  1427. 

  1428.                     for (k=0; k < frames; ++k)

  1429.                     {

  1430.                         if (i % 2 == 0)

  1431.                         {

  1432.                             // left

  1433.                             outBuffer[i][k+timeOffset]  = oldBufLeft[k]                * (1.0f - balRangeL);

  1434.                             outBuffer[i][k+timeOffset] += outBuffer[i+1][k+timeOffset] * (1.0f - balRangeR);

  1435.                         }

  1436.                         else

  1437.                         {

  1438.                             // right

  1439.                             outBuffer[i][k+timeOffset]  = outBuffer[i][k+timeOffset] * balRangeR;

  1440.                             outBuffer[i][k+timeOffset] += oldBufLeft[k]              * balRangeL;

  1441.                         }

  1442.                     }

  1443.                 }

  1444. 

  1445.                 // Volume

  1446.                 if (fUses16Outs)

  1447.                 {

  1448.                     for (k=0; k < frames; ++k)

  1449.                         outBuffer[i][k+timeOffset] = fAudio16Buffers[i][k] * pData->postProc.volume;

  1450.                 }

  1451.                 else if (doVolume)

  1452.                 {

  1453.                     for (k=0; k < frames; ++k)

  1454.                         outBuffer[i][k+timeOffset] *= pData->postProc.volume;

  1455.                 }

  1456.             }

  1457. 

  1458.         } // End of Post-processing

  1459. #else

  1460.         if (fUses16Outs)

  1461.         {

  1462.             for (i=0; i < pData->audioOut.count; ++i)

  1463.             {

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

  1465.                     outBuffer[i][k+timeOffset] = fAudio16Buffers[i][k];

  1466.             }

  1467.         }

  1468. #endif

  1469. 

  1470.         // --------------------------------------------------------------------------------------------------------

  1471. 

  1472.         pData->singleMutex.unlock();

  1473.         return true;

  1474.     }

  1475. 

  1476.     void bufferSizeChanged(const uint32_t newBufferSize) override

  1477.     {

  1478.         if (! fUses16Outs)

  1479.             return;

  1480. 

  1481.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1482.         {

  1483.             if (fAudio16Buffers[i] != nullptr)

  1484.                 delete[] fAudio16Buffers[i];

  1485.             fAudio16Buffers[i] = new float[newBufferSize];

  1486.         }

  1487.     }

  1488. 

  1489.     // -------------------------------------------------------------------

  1490.     // Plugin buffers

  1491. 

  1492.     void clearBuffers() override

  1493.     {

  1494.         carla_debug("FluidSynthPlugin::clearBuffers() - start");

  1495. 

  1496.         if (fAudio16Buffers != nullptr)

  1497.         {

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

  1499.             {

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

  1501.                 {

  1502.                     delete[] fAudio16Buffers[i];

  1503.                     fAudio16Buffers[i] = nullptr;

  1504.                 }

  1505.             }

  1506. 

  1507.             delete[] fAudio16Buffers;

  1508.             fAudio16Buffers = nullptr;

  1509.         }

  1510. 

  1511.         CarlaPlugin::clearBuffers();

  1512. 

  1513.         carla_debug("FluidSynthPlugin::clearBuffers() - end");

  1514.     }

  1515. 

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

  1517. 

  1518.     const void* getExtraStuff() const noexcept override

  1519.     {

  1520.         return fUses16Outs ? (const void*)0x1 : nullptr;

  1521.     }

  1522. 

  1523.     bool init(const char* const filename, const char* const name, const char* const label)

  1524.     {

  1525.         CARLA_ASSERT(fSynth != nullptr);

  1526.         CARLA_ASSERT(filename != nullptr);

  1527.         CARLA_ASSERT(label != nullptr);

  1528. 

  1529.         // ---------------------------------------------------------------

  1530.         // first checks

  1531. 

  1532.         if (pData->engine == nullptr)

  1533.         {

  1534.             return false;

  1535.         }

  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)

  1550.         {

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

  1552.             return false;

  1553.         }

  1554. 

  1555.         if (label == nullptr)

  1556.         {

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

  1558.             return false;

  1559.         }

  1560. 

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

  1562.         // open soundfont

  1563. 

  1564.         fSynthId = fluid_synth_sfload(fSynth, filename, 0);

  1565. 

  1566.         if (fSynthId < 0)

  1567.         {

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

  1569.             return false;

  1570.         }

  1571. 

  1572.         // ---------------------------------------------------------------

  1573.         // get info

  1574. 

  1575.         CarlaString label2(label);

  1576. 

  1577.         if (fUses16Outs && ! label2.endsWith(" (16 outs)"))

  1578.             label2 += " (16 outs)";

  1579. 

  1580.         pData->filename = carla_strdup(filename);

  1581.         fLabel          = label2.dup();

  1582. 

  1583.         if (name != nullptr)

  1584.             pData->name = pData->engine->getUniquePluginName(name);

  1585.         else

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

  1587. 

  1588.         // ---------------------------------------------------------------

  1589.         // register client

  1590. 

  1591.         pData->client = pData->engine->addClient(this);

  1592. 

  1593.         if (pData->client == nullptr || ! pData->client->isOk())

  1594.         {

  1595.             pData->engine->setLastError("Failed to register plugin client");

  1596.             return false;

  1597.         }

  1598. 

  1599.         // ---------------------------------------------------------------

  1600.         // load plugin settings

  1601. 

  1602.         {

  1603.             // set default options

  1604.             pData->options = 0x0;

  1605. 

  1606.             pData->options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  1607.             pData->options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  1608.             pData->options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  1609.             pData->options |= PLUGIN_OPTION_SEND_PITCHBEND;

  1610.             pData->options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  1611. 

  1612.             // set identifier string

  1613.             CarlaString identifier("SF2/");

  1614. 

  1615.             if (const char* const shortname = std::strrchr(filename, OS_SEP))

  1616.                 identifier += shortname+1;

  1617.             else

  1618.                 identifier += label;

  1619. 

  1620.             pData->identifier = identifier.dup();

  1621. 

  1622.             // load settings

  1623.             pData->options = pData->loadSettings(pData->options, getOptionsAvailable());

  1624.         }

  1625. 

  1626.         return true;

  1627.     }

  1628. 

  1629. private:

  1630.     enum FluidSynthInputParameters {

  1631.         FluidSynthReverbOnOff    = 0,

  1632.         FluidSynthReverbRoomSize = 1,

  1633.         FluidSynthReverbDamp     = 2,

  1634.         FluidSynthReverbLevel    = 3,

  1635.         FluidSynthReverbWidth    = 4,

  1636.         FluidSynthChorusOnOff    = 5,

  1637.         FluidSynthChorusNr       = 6,

  1638.         FluidSynthChorusLevel    = 7,

  1639.         FluidSynthChorusSpeedHz  = 8,

  1640.         FluidSynthChorusDepthMs  = 9,

  1641.         FluidSynthChorusType     = 10,

  1642.         FluidSynthPolyphony      = 11,

  1643.         FluidSynthInterpolation  = 12,

  1644.         FluidSynthVoiceCount     = 13,

  1645.         FluidSynthParametersMax  = 14

  1646.     };

  1647. 

  1648.     const bool fUses16Outs;

  1649. 

  1650.     fluid_settings_t* fSettings;

  1651.     fluid_synth_t* fSynth;

  1652.     int fSynthId;

  1653. 

  1654.     float** fAudio16Buffers;

  1655.     float   fParamBuffers[FluidSynthParametersMax];

  1656. 

  1657.     int32_t fCurMidiProgs[MAX_MIDI_CHANNELS];

  1658. 

  1659.     const char* fLabel;

  1660. 

  1661.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(FluidSynthPlugin)

  1662. };

  1663. 

  1664. CARLA_BACKEND_END_NAMESPACE

  1665. 

  1666. #endif // WANT_FLUIDSYNTH

  1667. 

  1668. CARLA_BACKEND_START_NAMESPACE

  1669. 

  1670. CarlaPlugin* CarlaPlugin::newFluidSynth(const Initializer& init, const bool use16Outs)

  1671. {

  1672.     carla_debug("CarlaPlugin::newFluidSynth({%p, \"%s\", \"%s\", \"%s\"}, %s)", init.engine, init.filename, init.name, init.label, bool2str(use16Outs));

  1673. 

  1674. #ifdef WANT_FLUIDSYNTH

  1675.     if (! fluid_is_soundfont(init.filename))

  1676.     {

  1677.         init.engine->setLastError("Requested file is not a valid SoundFont");

  1678.         return nullptr;

  1679.     }

  1680. 

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

  1682.     {

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

  1684.         return nullptr;

  1685.     }

  1686. 

  1687.     FluidSynthPlugin* const plugin(new FluidSynthPlugin(init.engine, init.id,  use16Outs));

  1688. 

  1689.     if (! plugin->init(init.filename, init.name, init.label))

  1690.     {

  1691.         delete plugin;

  1692.         return nullptr;

  1693.     }

  1694. 

  1695.     plugin->reload();

  1696. 

  1697.     return plugin;

  1698. #else

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

  1700.     return nullptr;

  1701. 

  1702.     // unused

  1703.     (void)use16Outs;

  1704. #endif

  1705. }

  1706. 

  1707. CARLA_BACKEND_END_NAMESPACE