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Carla/source/backend/plugin/CarlaPluginFluidSynth.cpp

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  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 "water/text/StringArray.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 water::String;

  36. using water::StringArray;

  37. 

  38. CARLA_BACKEND_START_NAMESPACE

  39. 

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

  41. // Fallback data

  42. 

  43. static const ExternalMidiNote kExternalMidiNoteFallback = { -1, 0, 0 };

  44. 

  45. // -------------------------------------------------------------------------------------------------------------------

  46. 

  47. class CarlaPluginFluidSynth : public CarlaPlugin

  48. {

  49. public:

  50.     CarlaPluginFluidSynth(CarlaEngine* const engine, const uint id, const bool use16Outs)

  51.         : CarlaPlugin(engine, id),

  52.           kUse16Outs(use16Outs),

  53.           fSettings(nullptr),

  54.           fSynth(nullptr),

  55.           fSynthId(0),

  56.           fAudio16Buffers(nullptr),

  57.           fLabel(nullptr)

  58.     {

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

  60. 

  61.         carla_zeroFloats(fParamBuffers, FluidSynthParametersMax);

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

  63. 

  64.         // create settings

  65.         fSettings = new_fluid_settings();

  66.         CARLA_SAFE_ASSERT_RETURN(fSettings != nullptr,);

  67. 

  68.         // define settings

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

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

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

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

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

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

  75. 

  76.         // create synth

  77.         fSynth = new_fluid_synth(fSettings);

  78.         CARLA_SAFE_ASSERT_RETURN(fSynth != nullptr,);

  79. 

  80. #ifdef FLUIDSYNTH_VERSION_NEW_API

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

  82. #endif

  83. 

  84.         // set default values

  85.         fluid_synth_set_reverb_on(fSynth, 1);

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

  87. 

  88.         fluid_synth_set_chorus_on(fSynth, 1);

  89.         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);

  90. 

  91.         fluid_synth_set_polyphony(fSynth, FLUID_DEFAULT_POLYPHONY);

  92.         fluid_synth_set_gain(fSynth, 1.0f);

  93. 

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

  95.             fluid_synth_set_interp_method(fSynth, i, FLUID_INTERP_DEFAULT);

  96.     }

  97. 

  98.     ~CarlaPluginFluidSynth() override

  99.     {

  100.         carla_debug("CarlaPluginFluidSynth::~CarlaPluginFluidSynth()");

  101. 

  102.         pData->singleMutex.lock();

  103.         pData->masterMutex.lock();

  104. 

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

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

  107. 

  108.         if (pData->active)

  109.         {

  110.             deactivate();

  111.             pData->active = false;

  112.         }

  113. 

  114.         if (fSynth != nullptr)

  115.         {

  116.             delete_fluid_synth(fSynth);

  117.             fSynth = nullptr;

  118.         }

  119. 

  120.         if (fSettings != nullptr)

  121.         {

  122.             delete_fluid_settings(fSettings);

  123.             fSettings = nullptr;

  124.         }

  125. 

  126.         if (fLabel != nullptr)

  127.         {

  128.             delete[] fLabel;

  129.             fLabel = nullptr;

  130.         }

  131. 

  132.         clearBuffers();

  133.     }

  134. 

  135.     // -------------------------------------------------------------------

  136.     // Information (base)

  137. 

  138.     PluginType getType() const noexcept override

  139.     {

  140.         return PLUGIN_SF2;

  141.     }

  142. 

  143.     PluginCategory getCategory() const noexcept override

  144.     {

  145.         return PLUGIN_CATEGORY_SYNTH;

  146.     }

  147. 

  148.     // -------------------------------------------------------------------

  149.     // Information (count)

  150. 

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

  152.     {

  153.         switch (parameterId)

  154.         {

  155.         case FluidSynthChorusType:

  156.             return 2;

  157.         case FluidSynthInterpolation:

  158.             return 4;

  159.         default:

  160.             return 0;

  161.         }

  162.     }

  163. 

  164.     // -------------------------------------------------------------------

  165.     // Information (current data)

  166. 

  167.     // nothing

  168. 

  169.     // -------------------------------------------------------------------

  170.     // Information (per-plugin data)

  171. 

  172.     uint getOptionsAvailable() const noexcept override

  173.     {

  174.         uint options = 0x0;

  175. 

  176.         options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  177.         options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  178.         options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  179.         options |= PLUGIN_OPTION_SEND_PITCHBEND;

  180.         options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  181. 

  182.         return options;

  183.     }

  184. 

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

  186.     {

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

  188. 

  189.         return fParamBuffers[parameterId];

  190.     }

  191. 

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

  193.     {

  194.         switch (parameterId)

  195.         {

  196.         case FluidSynthChorusType:

  197.             switch (scalePointId)

  198.             {

  199.             case 0:

  200.                 return FLUID_CHORUS_MOD_SINE;

  201.             case 1:

  202.                 return FLUID_CHORUS_MOD_TRIANGLE;

  203.             default:

  204.                 return FLUID_CHORUS_DEFAULT_TYPE;

  205.             }

  206.         case FluidSynthInterpolation:

  207.             switch (scalePointId)

  208.             {

  209.             case 0:

  210.                 return FLUID_INTERP_NONE;

  211.             case 1:

  212.                 return FLUID_INTERP_LINEAR;

  213.             case 2:

  214.                 return FLUID_INTERP_4THORDER;

  215.             case 3:

  216.                 return FLUID_INTERP_7THORDER;

  217.             default:

  218.                 return FLUID_INTERP_DEFAULT;

  219.             }

  220.         default:

  221.             return 0.0f;

  222.         }

  223.     }

  224. 

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

  226.     {

  227.         if (fLabel != nullptr)

  228.         {

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

  230.             return;

  231.         }

  232. 

  233.         CarlaPlugin::getLabel(strBuf);

  234.     }

  235. 

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

  237.     {

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

  239.     }

  240. 

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

  242.     {

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

  244.     }

  245. 

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

  247.     {

  248.         getLabel(strBuf);

  249.     }

  250. 

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

  252.     {

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

  254. 

  255.         switch (parameterId)

  256.         {

  257.         case FluidSynthReverbOnOff:

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

  259.             return;

  260.         case FluidSynthReverbRoomSize:

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

  262.             return;

  263.         case FluidSynthReverbDamp:

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

  265.             return;

  266.         case FluidSynthReverbLevel:

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

  268.             return;

  269.         case FluidSynthReverbWidth:

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

  271.             return;

  272.         case FluidSynthChorusOnOff:

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

  274.             return;

  275.         case FluidSynthChorusNr:

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

  277.             return;

  278.         case FluidSynthChorusLevel:

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

  280.             return;

  281.         case FluidSynthChorusSpeedHz:

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

  283.             return;

  284.         case FluidSynthChorusDepthMs:

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

  286.             return;

  287.         case FluidSynthChorusType:

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

  289.             return;

  290.         case FluidSynthPolyphony:

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

  292.             return;

  293.         case FluidSynthInterpolation:

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

  295.             return;

  296.         case FluidSynthVoiceCount:

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

  298.             return;

  299.         }

  300. 

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

  302.     }

  303. 

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

  305.     {

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

  307. 

  308.         switch (parameterId)

  309.         {

  310.         case FluidSynthChorusSpeedHz:

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

  312.             return;

  313.         case FluidSynthChorusDepthMs:

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

  315.             return;

  316.         }

  317. 

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

  319.     }

  320. 

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

  322.     {

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

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

  325. 

  326.         switch (parameterId)

  327.         {

  328.         case FluidSynthChorusType:

  329.             switch (scalePointId)

  330.             {

  331.             case 0:

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

  333.                 return;

  334.             case 1:

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

  336.                 return;

  337.             }

  338.         case FluidSynthInterpolation:

  339.             switch (scalePointId)

  340.             {

  341.             case 0:

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

  343.                 return;

  344.             case 1:

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

  346.                 return;

  347.             case 2:

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

  349.                 return;

  350.             case 3:

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

  352.                 return;

  353.             }

  354.         }

  355. 

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

  357.     }

  358. 

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

  360.     // Set data (state)

  361. 

  362.     void prepareForSave() override

  363.     {

  364.         char strBuf[STR_MAX+1];

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

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

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

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

  369. 

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

  371.     }

  372. 

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

  374.     // Set data (internal stuff)

  375. 

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

  377.     {

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

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

  380. 

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

  382.     }

  383. 

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

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

  386. 

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

  388.     {

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

  390. 

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

  392.         fParamBuffers[parameterId] = fixedValue;

  393. 

  394.         {

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

  396. 

  397.             switch (parameterId)

  398.             {

  399.             case FluidSynthReverbOnOff:

  400.                 try {

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

  402.                 } catch(...) {}

  403.                 break;

  404. 

  405.             case FluidSynthReverbRoomSize:

  406.             case FluidSynthReverbDamp:

  407.             case FluidSynthReverbLevel:

  408.             case FluidSynthReverbWidth:

  409.                 try {

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

  411.                 } catch(...) {}

  412.                 break;

  413. 

  414.             case FluidSynthChorusOnOff:

  415.                 try {

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

  417.                 } catch(...) {}

  418.                 break;

  419. 

  420.             case FluidSynthChorusNr:

  421.             case FluidSynthChorusLevel:

  422.             case FluidSynthChorusSpeedHz:

  423.             case FluidSynthChorusDepthMs:

  424.             case FluidSynthChorusType:

  425.                 try {

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

  427.                 } catch(...) {}

  428.                 break;

  429. 

  430.             case FluidSynthPolyphony:

  431.                 try {

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

  433.                 } catch(...) {}

  434.                 break;

  435. 

  436.             case FluidSynthInterpolation:

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

  438.                 {

  439.                     try {

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

  441.                     }

  442.                     catch(...) {

  443.                         break;

  444.                     }

  445.                 }

  446.                 break;

  447. 

  448.             default:

  449.                 break;

  450.             }

  451.         }

  452. 

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

  454.     }

  455. 

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

  457.     {

  458.         CARLA_SAFE_ASSERT_RETURN(fSynth != nullptr,);

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

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

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

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

  463. 

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

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

  466. 

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

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

  469. 

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

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

  472. 

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

  474. 

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

  476.         {

  477.             uint8_t channel = 0;

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

  479.             {

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

  481. 

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

  483.                 {

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

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

  486. 

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

  488.                     fCurMidiProgs[channel] = index;

  489. 

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

  491.                     {

  492.                         pData->midiprog.current = index;

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

  494.                     }

  495.                 }

  496. 

  497.                 ++channel;

  498.             }

  499.             CARLA_SAFE_ASSERT(channel == MAX_MIDI_CHANNELS);

  500.         }

  501. 

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

  503.     }

  504. 

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

  506.     {

  507.         CARLA_SAFE_ASSERT_RETURN(fSynth != nullptr,);

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

  509. 

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

  511.         {

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

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

  514. 

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

  516. 

  517.             try {

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

  519.             } catch(...) {}

  520. 

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

  522.         }

  523. 

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

  525.     }

  526. 

  527.     // -------------------------------------------------------------------

  528.     // Set ui stuff

  529. 

  530.     // nothing

  531. 

  532.     // -------------------------------------------------------------------

  533.     // Plugin state

  534. 

  535.     void reload() override

  536.     {

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

  538.         CARLA_SAFE_ASSERT_RETURN(fSynth != nullptr,);

  539.         carla_debug("CarlaPluginFluidSynth::reload() - start");

  540. 

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

  542. 

  543.         // Safely disable plugin for reload

  544.         const ScopedDisabler sd(this);

  545. 

  546.         if (pData->active)

  547.             deactivate();

  548. 

  549.         clearBuffers();

  550. 

  551.         uint32_t aOuts, params;

  552.         aOuts  = kUse16Outs ? 32 : 2;

  553.         params = FluidSynthParametersMax;

  554. 

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

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

  557. 

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

  559.         CarlaString portName;

  560. 

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

  562.         // Audio Outputs

  563. 

  564.         if (kUse16Outs)

  565.         {

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

  567.             {

  568.                 portName.clear();

  569. 

  570.                 if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  571.                 {

  572.                     portName  = pData->name;

  573.                     portName += ":";

  574.                 }

  575. 

  576.                 portName += "out-";

  577. 

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

  579.                     portName += "0";

  580. 

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

  582. 

  583.                 if (i % 2 == 0)

  584.                     portName += "L";

  585.                 else

  586.                     portName += "R";

  587. 

  588.                 portName.truncate(portNameSize);

  589. 

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

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

  592.             }

  593. 

  594.             fAudio16Buffers = new float*[aOuts];

  595. 

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

  597.                 fAudio16Buffers[i] = nullptr;

  598.         }

  599.         else

  600.         {

  601.             // out-left

  602.             portName.clear();

  603. 

  604.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  605.             {

  606.                 portName  = pData->name;

  607.                 portName += ":";

  608.             }

  609. 

  610.             portName += "out-left";

  611.             portName.truncate(portNameSize);

  612. 

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

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

  615. 

  616.             // out-right

  617.             portName.clear();

  618. 

  619.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  620.             {

  621.                 portName  = pData->name;

  622.                 portName += ":";

  623.             }

  624. 

  625.             portName += "out-right";

  626.             portName.truncate(portNameSize);

  627. 

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

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

  630.         }

  631. 

  632.         // ---------------------------------------

  633.         // Event Input

  634. 

  635.         {

  636.             portName.clear();

  637. 

  638.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  639.             {

  640.                 portName  = pData->name;

  641.                 portName += ":";

  642.             }

  643. 

  644.             portName += "events-in";

  645.             portName.truncate(portNameSize);

  646. 

  647.             pData->event.portIn = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, true, 0);

  648.         }

  649. 

  650.         // ---------------------------------------

  651.         // Event Output

  652. 

  653.         {

  654.             portName.clear();

  655. 

  656.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  657.             {

  658.                 portName  = pData->name;

  659.                 portName += ":";

  660.             }

  661. 

  662.             portName += "events-out";

  663.             portName.truncate(portNameSize);

  664. 

  665.             pData->event.portOut = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, false, 0);

  666.         }

  667. 

  668.         // ---------------------------------------

  669.         // Parameters

  670. 

  671.         {

  672.             int j;

  673. 

  674.             // ----------------------

  675.             j = FluidSynthReverbOnOff;

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

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

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

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

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

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

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

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

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

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

  686. 

  687.             // ----------------------

  688.             j = FluidSynthReverbRoomSize;

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

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

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

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

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

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

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

  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. 

  700.             // ----------------------

  701.             j = FluidSynthReverbDamp;

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

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

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

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

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

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

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

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

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

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

  712. 

  713.             // ----------------------

  714.             j = FluidSynthReverbLevel;

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

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

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

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

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

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

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

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

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

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

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

  726. 

  727.             // ----------------------

  728.             j = FluidSynthReverbWidth;

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

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

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

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

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

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

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

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

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

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

  739. 

  740.             // ----------------------

  741.             j = FluidSynthChorusOnOff;

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

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

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

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

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

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

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

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

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

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

  752. 

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

  754.             j = FluidSynthChorusNr;

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

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

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

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

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

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

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

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

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

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

  765. 

  766.             // ----------------------

  767.             j = FluidSynthChorusLevel;

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

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

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

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

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

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

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

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

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

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

  778. 

  779.             // ----------------------

  780.             j = FluidSynthChorusSpeedHz;

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

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

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

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

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

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

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

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

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

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

  791. 

  792.             // ----------------------

  793.             j = FluidSynthChorusDepthMs;

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

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

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

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

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

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

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

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

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

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

  804. 

  805.             // ----------------------

  806.             j = FluidSynthChorusType;

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

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

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

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

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

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

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

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

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

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

  817. 

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

  819.             j = FluidSynthPolyphony;

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

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

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

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

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

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

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

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

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

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

  830. 

  831.             // ----------------------

  832.             j = FluidSynthInterpolation;

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

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

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

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

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

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

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

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

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

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

  843. 

  844.             // ----------------------

  845.             j = FluidSynthVoiceCount;

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

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

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

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

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

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

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

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

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

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

  856. 

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

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

  859.         }

  860. 

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

  862. 

  863.         // plugin hints

  864.         pData->hints  = 0x0;

  865.         pData->hints |= PLUGIN_IS_SYNTH;

  866.         pData->hints |= PLUGIN_CAN_VOLUME;

  867.         pData->hints |= PLUGIN_USES_MULTI_PROGS;

  868. 

  869.         if (! kUse16Outs)

  870.             pData->hints |= PLUGIN_CAN_BALANCE;

  871. 

  872.         // extra plugin hints

  873.         pData->extraHints  = 0x0;

  874.         pData->extraHints |= PLUGIN_EXTRA_HINT_HAS_MIDI_IN;

  875. 

  876.         if (! kUse16Outs)

  877.             pData->extraHints |= PLUGIN_EXTRA_HINT_CAN_RUN_RACK;

  878. 

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

  880.         reloadPrograms(true);

  881. 

  882.         if (pData->active)

  883.             activate();

  884. 

  885.         carla_debug("CarlaPluginFluidSynth::reload() - end");

  886.     }

  887. 

  888.     void reloadPrograms(const bool doInit) override

  889.     {

  890.         carla_debug("CarlaPluginFluidSynth::reloadPrograms(%s)", bool2str(doInit));

  891. 

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

  893.         bool hasDrums = false;

  894.         uint32_t drumIndex, drumProg;

  895.         drumIndex = drumProg = 0;

  896. 

  897.         // Delete old programs

  898.         pData->midiprog.clear();

  899. 

  900.         // Query new programs

  901.         uint32_t count = 0;

  902. 

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

  904.         {

  905.             fluid_preset_t f_preset;

  906. 

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

  908.             f_sfont->iteration_start(f_sfont);

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

  910.                 ++count;

  911. 

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

  913.             CARLA_SAFE_ASSERT_RETURN(count > 0,);

  914. 

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

  916. 

  917.             // Update data

  918.             int tmp;

  919.             uint32_t i = 0;

  920.             f_sfont->iteration_start(f_sfont);

  921. 

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

  923.             {

  924.                 CARLA_SAFE_ASSERT_BREAK(i < count);

  925. 

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

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

  928. 

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

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

  931. 

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

  933. 

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

  935.                 {

  936.                     hasDrums  = true;

  937.                     drumIndex = i;

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

  939.                 }

  940. 

  941.                 ++i;

  942.             }

  943.         }

  944.         else

  945.         {

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

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

  948.             return;

  949.         }

  950. 

  951. #if defined(HAVE_LIBLO) && ! defined(BUILD_BRIDGE)

  952.         // Update OSC Names

  953.         if (pData->engine->isOscControlRegistered() && pData->id < pData->engine->getCurrentPluginCount())

  954.         {

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

  956. 

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

  958.                 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);

  959.         }

  960. #endif

  961. 

  962.         if (doInit)

  963.         {

  964.             fluid_synth_program_reset(fSynth);

  965. 

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

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

  968.             {

  969. #ifdef FLUIDSYNTH_VERSION_NEW_API

  970.                 fluid_synth_set_channel_type(fSynth, i, CHANNEL_TYPE_MELODIC);

  971. #endif

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

  973. 

  974.                 fCurMidiProgs[i] = 0;

  975.             }

  976. 

  977.             if (hasDrums)

  978.             {

  979. #ifdef FLUIDSYNTH_VERSION_NEW_API

  980.                 fluid_synth_set_channel_type(fSynth, 9, CHANNEL_TYPE_DRUM);

  981. #endif

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

  983. 

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

  985.             }

  986.             else

  987.             {

  988. #ifdef FLUIDSYNTH_VERSION_NEW_API

  989.                 fluid_synth_set_channel_type(fSynth, 9, CHANNEL_TYPE_MELODIC);

  990. #endif

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

  992. 

  993.                 fCurMidiProgs[9] = 0;

  994.             }

  995. 

  996.             pData->midiprog.current = 0;

  997.         }

  998.         else

  999.         {

  1000.             pData->engine->callback(ENGINE_CALLBACK_RELOAD_PROGRAMS, pData->id, 0, 0, 0.0f, nullptr);

  1001.         }

  1002.     }

  1003. 

  1004.     // -------------------------------------------------------------------

  1005.     // Plugin processing

  1006. 

  1007.     void process(const float** const, float** const audioOut, const float** const, float** const, const uint32_t frames) override

  1008.     {

  1009.         // --------------------------------------------------------------------------------------------------------

  1010.         // Check if active

  1011. 

  1012.         if (! pData->active)

  1013.         {

  1014.             // disable any output sound

  1015.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1016.                 carla_zeroFloats(audioOut[i], frames);

  1017.             return;

  1018.         }

  1019. 

  1020.         // --------------------------------------------------------------------------------------------------------

  1021.         // Check if needs reset

  1022. 

  1023.         if (pData->needsReset)

  1024.         {

  1025.             if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1026.             {

  1027.                 for (int i=0; i < MAX_MIDI_CHANNELS; ++i)

  1028.                 {

  1029. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1030.                     fluid_synth_all_notes_off(fSynth, i);

  1031.                     fluid_synth_all_sounds_off(fSynth, i);

  1032. #else

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

  1034.                     fluid_synth_cc(fSynth, i, MIDI_CONTROL_ALL_NOTES_OFF, 0);

  1035. #endif

  1036.                 }

  1037.             }

  1038.             else if (pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1039.             {

  1040.                 for (int i=0; i < MAX_MIDI_NOTE; ++i)

  1041.                     fluid_synth_noteoff(fSynth, pData->ctrlChannel, i);

  1042.             }

  1043. 

  1044.             pData->needsReset = false;

  1045.         }

  1046. 

  1047.         // --------------------------------------------------------------------------------------------------------

  1048.         // Event Input and Processing

  1049. 

  1050.         {

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

  1052.             // MIDI Input (External)

  1053. 

  1054.             if (pData->extNotes.mutex.tryLock())

  1055.             {

  1056.                 for (RtLinkedList<ExternalMidiNote>::Itenerator it = pData->extNotes.data.begin2(); it.valid(); it.next())

  1057.                 {

  1058.                     const ExternalMidiNote& note(it.getValue(kExternalMidiNoteFallback));

  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 timeOffset = 0;

  1079. 

  1080.             uint32_t nextBankIds[MAX_MIDI_CHANNELS] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 0, 0, 0, 0, 0, 0 };

  1081. 

  1082.             if (pData->midiprog.current >= 0 && pData->midiprog.count > 0 && pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1083.                 nextBankIds[pData->ctrlChannel] = pData->midiprog.data[pData->midiprog.current].bank;

  1084. 

  1085.             for (uint32_t i=0, numEvents=pData->event.portIn->getEventCount(); i < numEvents; ++i)

  1086.             {

  1087.                 const EngineEvent& event(pData->event.portIn->getEvent(i));

  1088. 

  1089.                 if (event.time >= frames)

  1090.                     continue;

  1091. 

  1092.                 CARLA_ASSERT_INT2(event.time >= timeOffset, event.time, timeOffset);

  1093. 

  1094.                 if (event.time > timeOffset)

  1095.                 {

  1096.                     if (processSingle(audioOut, event.time - timeOffset, timeOffset))

  1097.                     {

  1098.                         timeOffset = event.time;

  1099. 

  1100.                         if (pData->midiprog.current >= 0 && pData->midiprog.count > 0 && pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1101.                             nextBankIds[pData->ctrlChannel] = pData->midiprog.data[pData->midiprog.current].bank;

  1102.                     }

  1103.                 }

  1104. 

  1105.                 // Control change

  1106.                 switch (event.type)

  1107.                 {

  1108.                 case kEngineEventTypeNull:

  1109.                     break;

  1110. 

  1111.                 case kEngineEventTypeControl:

  1112.                 {

  1113.                     const EngineControlEvent& ctrlEvent = event.ctrl;

  1114. 

  1115.                     switch (ctrlEvent.type)

  1116.                     {

  1117.                     case kEngineControlEventTypeNull:

  1118.                         break;

  1119. 

  1120.                     case kEngineControlEventTypeParameter:

  1121.                     {

  1122. #ifndef BUILD_BRIDGE

  1123.                         // Control backend stuff

  1124.                         if (event.channel == pData->ctrlChannel)

  1125.                         {

  1126.                             float value;

  1127. 

  1128.                             if (MIDI_IS_CONTROL_BREATH_CONTROLLER(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_DRYWET) != 0)

  1129.                             {

  1130.                                 value = ctrlEvent.value;

  1131.                                 setDryWet(value, false, false);

  1132.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_DRYWET, 0, value);

  1133.                             }

  1134. 

  1135.                             if (MIDI_IS_CONTROL_CHANNEL_VOLUME(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_VOLUME) != 0)

  1136.                             {

  1137.                                 value = ctrlEvent.value*127.0f/100.0f;

  1138.                                 setVolume(value, false, false);

  1139.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_VOLUME, 0, value);

  1140.                             }

  1141. 

  1142.                             if (MIDI_IS_CONTROL_BALANCE(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_BALANCE) != 0)

  1143.                             {

  1144.                                 float left, right;

  1145.                                 value = ctrlEvent.value/0.5f - 1.0f;

  1146. 

  1147.                                 if (value < 0.0f)

  1148.                                 {

  1149.                                     left  = -1.0f;

  1150.                                     right = (value*2.0f)+1.0f;

  1151.                                 }

  1152.                                 else if (value > 0.0f)

  1153.                                 {

  1154.                                     left  = (value*2.0f)-1.0f;

  1155.                                     right = 1.0f;

  1156.                                 }

  1157.                                 else

  1158.                                 {

  1159.                                     left  = -1.0f;

  1160.                                     right = 1.0f;

  1161.                                 }

  1162. 

  1163.                                 setBalanceLeft(left, false, false);

  1164.                                 setBalanceRight(right, false, false);

  1165.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_LEFT, 0, left);

  1166.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_RIGHT, 0, right);

  1167.                             }

  1168.                         }

  1169. #endif

  1170.                         // Control plugin parameters

  1171.                         for (uint32_t k=0; k < pData->param.count; ++k)

  1172.                         {

  1173.                             if (pData->param.data[k].midiChannel != event.channel)

  1174.                                 continue;

  1175.                             if (pData->param.data[k].midiCC != ctrlEvent.param)

  1176.                                 continue;

  1177.                             if (pData->param.data[k].hints != PARAMETER_INPUT)

  1178.                                 continue;

  1179.                             if ((pData->param.data[k].hints & PARAMETER_IS_AUTOMABLE) == 0)

  1180.                                 continue;

  1181. 

  1182.                             float value;

  1183. 

  1184.                             if (pData->param.data[k].hints & PARAMETER_IS_BOOLEAN)

  1185.                             {

  1186.                                 value = (ctrlEvent.value < 0.5f) ? pData->param.ranges[k].min : pData->param.ranges[k].max;

  1187.                             }

  1188.                             else

  1189.                             {

  1190.                                 if (pData->param.data[k].hints & PARAMETER_IS_LOGARITHMIC)

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

  1192.                                 else

  1193.                                     value = pData->param.ranges[k].getUnnormalizedValue(ctrlEvent.value);

  1194. 

  1195.                                 if (pData->param.data[k].hints & PARAMETER_IS_INTEGER)

  1196.                                     value = std::rint(value);

  1197.                             }

  1198. 

  1199.                             setParameterValue(k, value, false, false, false);

  1200.                             pData->postponeRtEvent(kPluginPostRtEventParameterChange, static_cast<int32_t>(k), 0, value);

  1201.                         }

  1202. 

  1203.                         if ((pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0 && ctrlEvent.param < MAX_MIDI_CONTROL)

  1204.                         {

  1205.                             fluid_synth_cc(fSynth, event.channel, ctrlEvent.param, int(ctrlEvent.value*127.0f));

  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.                             // TODO int32_t midiprog.find(bank, prog)

  1222.                             for (uint32_t k=0; k < pData->midiprog.count; ++k)

  1223.                             {

  1224.                                 if (pData->midiprog.data[k].bank == bankId && pData->midiprog.data[k].program == progId)

  1225.                                 {

  1226.                                     fluid_synth_program_select(fSynth, event.channel, fSynthId, bankId, progId);

  1227.                                     fCurMidiProgs[event.channel] = static_cast<int32_t>(k);

  1228. 

  1229.                                     if (event.channel == pData->ctrlChannel)

  1230.                                         pData->postponeRtEvent(kPluginPostRtEventMidiProgramChange, static_cast<int32_t>(k), 0, 0.0f);

  1231. 

  1232.                                     break;

  1233.                                 }

  1234.                             }

  1235.                         }

  1236.                         break;

  1237. 

  1238.                     case kEngineControlEventTypeAllSoundOff:

  1239.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1240.                         {

  1241. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1242.                             fluid_synth_all_sounds_off(fSynth, event.channel);

  1243. #else

  1244.                             fluid_synth_cc(fSynth, event.channel, MIDI_CONTROL_ALL_SOUND_OFF, 0);

  1245. #endif

  1246.                         }

  1247.                         break;

  1248. 

  1249.                     case kEngineControlEventTypeAllNotesOff:

  1250.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1251.                         {

  1252. #ifndef BUILD_BRIDGE

  1253.                             if (event.channel == pData->ctrlChannel && ! allNotesOffSent)

  1254.                             {

  1255.                                 allNotesOffSent = true;

  1256.                                 sendMidiAllNotesOffToCallback();

  1257.                             }

  1258. #endif

  1259. 

  1260. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1261.                             fluid_synth_all_notes_off(fSynth, event.channel);

  1262. #else

  1263.                             fluid_synth_cc(fSynth, event.channel, MIDI_CONTROL_ALL_NOTES_OFF, 0);

  1264. #endif

  1265.                         }

  1266.                         break;

  1267.                     }

  1268. 

  1269.                     break;

  1270.                 }

  1271. 

  1272.                 case kEngineEventTypeMidi: {

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

  1274. 

  1275.                     if (midiEvent.size > EngineMidiEvent::kDataSize)

  1276.                         continue;

  1277. 

  1278.                     uint8_t status = uint8_t(MIDI_GET_STATUS_FROM_DATA(midiEvent.data));

  1279. 

  1280.                     // Fix bad note-off

  1281.                     if (status == MIDI_STATUS_NOTE_ON && midiEvent.data[2] == 0)

  1282.                         status = MIDI_STATUS_NOTE_OFF;

  1283. 

  1284.                     switch (status)

  1285.                     {

  1286.                     case MIDI_STATUS_NOTE_OFF: {

  1287.                         const uint8_t note = midiEvent.data[1];

  1288. 

  1289.                         fluid_synth_noteoff(fSynth, event.channel, note);

  1290. 

  1291.                         pData->postponeRtEvent(kPluginPostRtEventNoteOff, event.channel, note, 0.0f);

  1292.                         break;

  1293.                     }

  1294. 

  1295.                     case MIDI_STATUS_NOTE_ON: {

  1296.                         const uint8_t note = midiEvent.data[1];

  1297.                         const uint8_t velo = midiEvent.data[2];

  1298. 

  1299.                         fluid_synth_noteon(fSynth, event.channel, note, velo);

  1300. 

  1301.                         pData->postponeRtEvent(kPluginPostRtEventNoteOn, event.channel, note, velo);

  1302.                         break;

  1303.                     }

  1304. 

  1305.                     case MIDI_STATUS_POLYPHONIC_AFTERTOUCH:

  1306.                         if (pData->options & PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH)

  1307.                         {

  1308.                             //const uint8_t note     = midiEvent.data[1];

  1309.                             //const uint8_t pressure = midiEvent.data[2];

  1310. 

  1311.                             // not in fluidsynth API

  1312.                         }

  1313.                         break;

  1314. 

  1315.                     case MIDI_STATUS_CONTROL_CHANGE:

  1316.                         if (pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES)

  1317.                         {

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

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

  1320. 

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

  1322.                         }

  1323.                         break;

  1324. 

  1325.                     case MIDI_STATUS_CHANNEL_PRESSURE:

  1326.                         if (pData->options & PLUGIN_OPTION_SEND_CHANNEL_PRESSURE)

  1327.                         {

  1328.                             const uint8_t pressure = midiEvent.data[1];

  1329. 

  1330.                             fluid_synth_channel_pressure(fSynth, event.channel, pressure);;

  1331.                         }

  1332.                         break;

  1333. 

  1334.                     case MIDI_STATUS_PITCH_WHEEL_CONTROL:

  1335.                         if (pData->options & PLUGIN_OPTION_SEND_PITCHBEND)

  1336.                         {

  1337.                             const uint8_t lsb = midiEvent.data[1];

  1338.                             const uint8_t msb = midiEvent.data[2];

  1339.                             const int   value = ((msb << 7) | lsb);

  1340. 

  1341.                             fluid_synth_pitch_bend(fSynth, event.channel, value);

  1342.                         }

  1343.                         break;

  1344. 

  1345.                     default:

  1346.                         continue;

  1347.                         break;

  1348.                     } // switch (status)

  1349.                 } break;

  1350.                 } // switch (event.type)

  1351.             }

  1352. 

  1353.             pData->postRtEvents.trySplice();

  1354. 

  1355.             if (frames > timeOffset)

  1356.                 processSingle(audioOut, frames - timeOffset, timeOffset);

  1357. 

  1358.         } // End of Event Input and Processing

  1359. 

  1360. #ifndef BUILD_BRIDGE

  1361.         // --------------------------------------------------------------------------------------------------------

  1362.         // Control Output

  1363. 

  1364.         {

  1365.             uint32_t k = FluidSynthVoiceCount;

  1366.             fParamBuffers[k] = float(fluid_synth_get_active_voice_count(fSynth));

  1367.             pData->param.ranges[k].fixValue(fParamBuffers[k]);

  1368. 

  1369.             if (pData->param.data[k].midiCC > 0)

  1370.             {

  1371.                 float value(pData->param.ranges[k].getNormalizedValue(fParamBuffers[k]));

  1372.                 pData->event.portOut->writeControlEvent(0, pData->param.data[k].midiChannel, kEngineControlEventTypeParameter, static_cast<uint16_t>(pData->param.data[k].midiCC), value);

  1373.             }

  1374. 

  1375.         } // End of Control Output

  1376. #endif

  1377.     }

  1378. 

  1379.     bool processSingle(float** const outBuffer, const uint32_t frames, const uint32_t timeOffset)

  1380.     {

  1381.         CARLA_SAFE_ASSERT_RETURN(outBuffer != nullptr, false);

  1382.         CARLA_SAFE_ASSERT_RETURN(frames > 0, false);

  1383. 

  1384.         // --------------------------------------------------------------------------------------------------------

  1385.         // Try lock, silence otherwise

  1386. 

  1387.         if (pData->engine->isOffline())

  1388.         {

  1389.             pData->singleMutex.lock();

  1390.         }

  1391.         else if (! pData->singleMutex.tryLock())

  1392.         {

  1393.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1394.             {

  1395.                 for (uint32_t k=0; k < frames; ++k)

  1396.                     outBuffer[i][k+timeOffset] = 0.0f;

  1397.             }

  1398. 

  1399.             return false;

  1400.         }

  1401. 

  1402.         // --------------------------------------------------------------------------------------------------------

  1403.         // Fill plugin buffers and Run plugin

  1404. 

  1405.         if (kUse16Outs)

  1406.         {

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

  1408.                 carla_zeroFloats(fAudio16Buffers[i], frames);

  1409. 

  1410.             // FIXME use '32' or '16' instead of outs

  1411.             fluid_synth_process(fSynth, static_cast<int>(frames),

  1412.                                 0, nullptr,

  1413.                                 static_cast<int>(pData->audioOut.count), fAudio16Buffers);

  1414.         }

  1415.         else

  1416.         {

  1417.             fluid_synth_write_float(fSynth, static_cast<int>(frames),

  1418.                                     outBuffer[0] + timeOffset, 0, 1,

  1419.                                     outBuffer[1] + timeOffset, 0, 1);

  1420.         }

  1421. 

  1422. #ifndef BUILD_BRIDGE

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

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

  1425. 

  1426.         {

  1427.             // note - balance not possible with kUse16Outs, so we can safely skip fAudioOutBuffers

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

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

  1430. 

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

  1432. 

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

  1434.             {

  1435.                 // Balance

  1436.                 if (doBalance)

  1437.                 {

  1438.                     if (i % 2 == 0)

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

  1440. 

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

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

  1443. 

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

  1445.                     {

  1446.                         if (i % 2 == 0)

  1447.                         {

  1448.                             // left

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

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

  1451.                         }

  1452.                         else

  1453.                         {

  1454.                             // right

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

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

  1457.                         }

  1458.                     }

  1459.                 }

  1460. 

  1461.                 // Volume

  1462.                 if (kUse16Outs)

  1463.                 {

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

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

  1466.                 }

  1467.                 else if (doVolume)

  1468.                 {

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

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

  1471.                 }

  1472.             }

  1473. 

  1474.         } // End of Post-processing

  1475. #else

  1476.         if (kUse16Outs)

  1477.         {

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

  1479.             {

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

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

  1482.             }

  1483.         }

  1484. #endif

  1485. 

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

  1487. 

  1488.         pData->singleMutex.unlock();

  1489.         return true;

  1490.     }

  1491. 

  1492.     void bufferSizeChanged(const uint32_t newBufferSize) override

  1493.     {

  1494.         if (! kUse16Outs)

  1495.             return;

  1496. 

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

  1498.         {

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

  1500.                 delete[] fAudio16Buffers[i];

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

  1502.         }

  1503.     }

  1504. 

  1505.     void sampleRateChanged(const double newSampleRate) override

  1506.     {

  1507.         CARLA_SAFE_ASSERT_RETURN(fSettings != nullptr,);

  1508. 

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

  1510. 

  1511. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1512.         CARLA_SAFE_ASSERT_RETURN(fSynth != nullptr,);

  1513. 

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

  1515. #endif

  1516.     }

  1517. 

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

  1519.     // Plugin buffers

  1520. 

  1521.     void clearBuffers() noexcept override

  1522.     {

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

  1524. 

  1525.         if (fAudio16Buffers != nullptr)

  1526.         {

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

  1528.             {

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

  1530.                 {

  1531.                     delete[] fAudio16Buffers[i];

  1532.                     fAudio16Buffers[i] = nullptr;

  1533.                 }

  1534.             }

  1535. 

  1536.             delete[] fAudio16Buffers;

  1537.             fAudio16Buffers = nullptr;

  1538.         }

  1539. 

  1540.         CarlaPlugin::clearBuffers();

  1541. 

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

  1543.     }

  1544. 

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

  1546. 

  1547.     const void* getExtraStuff() const noexcept override

  1548.     {

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

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

  1551.         return kUse16Outs ? xtrue : xfalse;

  1552.     }

  1553. 

  1554.     // -------------------------------------------------------------------

  1555. 

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

  1557.     {

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

  1559. 

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

  1561.         // first checks

  1562. 

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

  1564.         {

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

  1566.             return false;

  1567.         }

  1568. 

  1569.         if (fSynth == nullptr)

  1570.         {

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

  1572.             return false;

  1573.         }

  1574. 

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

  1576.         {

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

  1578.             return false;

  1579.         }

  1580. 

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

  1582.         {

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

  1584.             return false;

  1585.         }

  1586. 

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

  1588.         // open soundfont

  1589. 

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

  1591. 

  1592.         if (synthId < 0)

  1593.         {

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

  1595.             return false;

  1596.         }

  1597. 

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

  1599. 

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

  1601.         // get info

  1602. 

  1603.         CarlaString label2(label);

  1604. 

  1605.         if (kUse16Outs && ! label2.endsWith(" (16 outs)"))

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

  1607. 

  1608.         fLabel          = label2.dup();

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

  1610. 

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

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

  1613.         else

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

  1615. 

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

  1617.         // register client

  1618. 

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

  1620. 

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

  1622.         {

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

  1624.             return false;

  1625.         }

  1626. 

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

  1628.         // set default options

  1629. 

  1630.         pData->options  = 0x0;

  1631.         pData->options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  1632.         pData->options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  1633.         pData->options |= PLUGIN_OPTION_SEND_PITCHBEND;

  1634.         pData->options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  1635. 

  1636.         if (options & PLUGIN_OPTION_SEND_CONTROL_CHANGES)

  1637.             pData->options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  1638. 

  1639.         return true;

  1640.     }

  1641. 

  1642. private:

  1643.     enum FluidSynthParameters {

  1644.         FluidSynthReverbOnOff    = 0,

  1645.         FluidSynthReverbRoomSize = 1,

  1646.         FluidSynthReverbDamp     = 2,

  1647.         FluidSynthReverbLevel    = 3,

  1648.         FluidSynthReverbWidth    = 4,

  1649.         FluidSynthChorusOnOff    = 5,

  1650.         FluidSynthChorusNr       = 6,

  1651.         FluidSynthChorusLevel    = 7,

  1652.         FluidSynthChorusSpeedHz  = 8,

  1653.         FluidSynthChorusDepthMs  = 9,

  1654.         FluidSynthChorusType     = 10,

  1655.         FluidSynthPolyphony      = 11,

  1656.         FluidSynthInterpolation  = 12,

  1657.         FluidSynthVoiceCount     = 13,

  1658.         FluidSynthParametersMax  = 14

  1659.     };

  1660. 

  1661.     const bool kUse16Outs;

  1662. 

  1663.     fluid_settings_t* fSettings;

  1664.     fluid_synth_t*    fSynth;

  1665.     uint              fSynthId;

  1666. 

  1667.     float** fAudio16Buffers;

  1668.     float   fParamBuffers[FluidSynthParametersMax];

  1669. 

  1670.     int32_t fCurMidiProgs[MAX_MIDI_CHANNELS];

  1671. 

  1672.     const char* fLabel;

  1673. 

  1674.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaPluginFluidSynth)

  1675. };

  1676. 

  1677. CARLA_BACKEND_END_NAMESPACE

  1678. 

  1679. #endif // HAVE_FLUIDSYNTH

  1680. 

  1681. CARLA_BACKEND_START_NAMESPACE

  1682. 

  1683. // -------------------------------------------------------------------------------------------------------------------

  1684. 

  1685. CarlaPlugin* CarlaPlugin::newFluidSynth(const Initializer& init, const bool use16Outs)

  1686. {

  1687.     carla_debug("CarlaPlugin::newFluidSynth({%p, \"%s\", \"%s\", \"%s\", " P_INT64 "}, %s)", init.engine, init.filename, init.name, init.label, init.uniqueId, bool2str(use16Outs));

  1688. 

  1689. #ifdef HAVE_FLUIDSYNTH

  1690.     if (init.engine->getProccessMode() == ENGINE_PROCESS_MODE_CONTINUOUS_RACK && use16Outs)

  1691.     {

  1692.         init.engine->setLastError("Carla's rack mode can only work with Stereo modules,"

  1693.                                   "please choose the 2-channel only SoundFont version");

  1694.         return nullptr;

  1695.     }

  1696. 

  1697.     if (! fluid_is_soundfont(init.filename))

  1698.     {

  1699.         init.engine->setLastError("Requested file is not a valid SoundFont");

  1700.         return nullptr;

  1701.     }

  1702. 

  1703.     CarlaPluginFluidSynth* const plugin(new CarlaPluginFluidSynth(init.engine, init.id,  use16Outs));

  1704. 

  1705.     if (! plugin->init(init.filename, init.name, init.label, init.options))

  1706.     {

  1707.         delete plugin;

  1708.         return nullptr;

  1709.     }

  1710. 

  1711.     return plugin;

  1712. #else

  1713.     init.engine->setLastError("fluidsynth support not available");

  1714.     return nullptr;

  1715. 

  1716.     // unused

  1717.     (void)use16Outs;

  1718. #endif

  1719. }

  1720. 

  1721. CarlaPlugin* CarlaPlugin::newFileSF2(const Initializer& init, const bool use16Outs)

  1722. {

  1723.     carla_debug("CarlaPlugin::newFileSF2({%p, \"%s\", \"%s\", \"%s\"}, %s)", init.engine, init.filename, init.name, init.label, bool2str(use16Outs));

  1724. #ifdef HAVE_FLUIDSYNTH

  1725.     return newFluidSynth(init, use16Outs);

  1726. #else

  1727.     init.engine->setLastError("SF2 support not available");

  1728.     return nullptr;

  1729. 

  1730.     // unused

  1731.     (void)use16Outs;

  1732. #endif

  1733. }

  1734. 

  1735. // -------------------------------------------------------------------------------------------------------------------

  1736. 

  1737. CARLA_BACKEND_END_NAMESPACE