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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 "juce_core/juce_core.h"

  26. 

  27. #include <fluidsynth.h>

  28. 

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

  30. # define FLUIDSYNTH_VERSION_NEW_API

  31. #endif

  32. 

  33. #define FLUID_DEFAULT_POLYPHONY 64

  34. 

  35. using juce::String;

  36. using juce::StringArray;

  37. 

  38. CARLA_BACKEND_START_NAMESPACE

  39. 

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

  41. // 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.         FloatVectorOperations::clear(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.         CARLA_SAFE_ASSERT_RETURN(parameterId < pData->param.count, 0);

  154. 

  155.         switch (parameterId)

  156.         {

  157.         case FluidSynthChorusType:

  158.             return 2;

  159.         case FluidSynthInterpolation:

  160.             return 4;

  161.         default:

  162.             return 0;

  163.         }

  164.     }

  165. 

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

  167.     // Information (current data)

  168. 

  169.     // nothing

  170. 

  171.     // -------------------------------------------------------------------

  172.     // Information (per-plugin data)

  173. 

  174.     uint getOptionsAvailable() const noexcept override

  175.     {

  176.         uint options = 0x0;

  177. 

  178.         options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  179.         options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  180.         options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  181.         options |= PLUGIN_OPTION_SEND_PITCHBEND;

  182.         options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  183. 

  184.         return options;

  185.     }

  186. 

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

  188.     {

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

  190. 

  191.         return fParamBuffers[parameterId];

  192.     }

  193. 

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

  195.     {

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

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

  198. 

  199.         switch (parameterId)

  200.         {

  201.         case FluidSynthChorusType:

  202.             switch (scalePointId)

  203.             {

  204.             case 0:

  205.                 return FLUID_CHORUS_MOD_SINE;

  206.             case 1:

  207.                 return FLUID_CHORUS_MOD_TRIANGLE;

  208.             default:

  209.                 return FLUID_CHORUS_DEFAULT_TYPE;

  210.             }

  211.         case FluidSynthInterpolation:

  212.             switch (scalePointId)

  213.             {

  214.             case 0:

  215.                 return FLUID_INTERP_NONE;

  216.             case 1:

  217.                 return FLUID_INTERP_LINEAR;

  218.             case 2:

  219.                 return FLUID_INTERP_4THORDER;

  220.             case 3:

  221.                 return FLUID_INTERP_7THORDER;

  222.             default:

  223.                 return FLUID_INTERP_DEFAULT;

  224.             }

  225.         default:

  226.             return 0.0f;

  227.         }

  228.     }

  229. 

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

  231.     {

  232.         if (fLabel != nullptr)

  233.         {

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

  235.             return;

  236.         }

  237. 

  238.         CarlaPlugin::getLabel(strBuf);

  239.     }

  240. 

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

  242.     {

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

  244.     }

  245. 

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

  247.     {

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

  249.     }

  250. 

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

  252.     {

  253.         getLabel(strBuf);

  254.     }

  255. 

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

  257.     {

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

  259. 

  260.         switch (parameterId)

  261.         {

  262.         case FluidSynthReverbOnOff:

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

  264.             return;

  265.         case FluidSynthReverbRoomSize:

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

  267.             return;

  268.         case FluidSynthReverbDamp:

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

  270.             return;

  271.         case FluidSynthReverbLevel:

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

  273.             return;

  274.         case FluidSynthReverbWidth:

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

  276.             return;

  277.         case FluidSynthChorusOnOff:

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

  279.             return;

  280.         case FluidSynthChorusNr:

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

  282.             return;

  283.         case FluidSynthChorusLevel:

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

  285.             return;

  286.         case FluidSynthChorusSpeedHz:

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

  288.             return;

  289.         case FluidSynthChorusDepthMs:

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

  291.             return;

  292.         case FluidSynthChorusType:

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

  294.             return;

  295.         case FluidSynthPolyphony:

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

  297.             return;

  298.         case FluidSynthInterpolation:

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

  300.             return;

  301.         case FluidSynthVoiceCount:

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

  303.             return;

  304.         }

  305. 

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

  307.     }

  308. 

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

  310.     {

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

  312. 

  313.         switch (parameterId)

  314.         {

  315.         case FluidSynthChorusSpeedHz:

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

  317.             return;

  318.         case FluidSynthChorusDepthMs:

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

  320.             return;

  321.         }

  322. 

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

  324.     }

  325. 

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

  327.     {

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

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

  330. 

  331.         switch (parameterId)

  332.         {

  333.         case FluidSynthChorusType:

  334.             switch (scalePointId)

  335.             {

  336.             case 0:

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

  338.                 return;

  339.             case 1:

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

  341.                 return;

  342.             }

  343.         case FluidSynthInterpolation:

  344.             switch (scalePointId)

  345.             {

  346.             case 0:

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

  348.                 return;

  349.             case 1:

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

  351.                 return;

  352.             case 2:

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

  354.                 return;

  355.             case 3:

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

  357.                 return;

  358.             }

  359.         }

  360. 

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

  362.     }

  363. 

  364.     // -------------------------------------------------------------------

  365.     // Set data (state)

  366. 

  367.     void prepareForSave() override

  368.     {

  369.         char strBuf[STR_MAX+1];

  370.         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],

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

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

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

  374. 

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

  376.     }

  377. 

  378.     // -------------------------------------------------------------------

  379.     // Set data (internal stuff)

  380. 

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

  382.     {

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

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

  385. 

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

  387.     }

  388. 

  389.     // -------------------------------------------------------------------

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

  391. 

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

  393.     {

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

  395. 

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

  397.         fParamBuffers[parameterId] = fixedValue;

  398. 

  399.         {

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

  401. 

  402.             switch (parameterId)

  403.             {

  404.             case FluidSynthReverbOnOff:

  405.                 try {

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

  407.                 } catch(...) {}

  408.                 break;

  409. 

  410.             case FluidSynthReverbRoomSize:

  411.             case FluidSynthReverbDamp:

  412.             case FluidSynthReverbLevel:

  413.             case FluidSynthReverbWidth:

  414.                 try {

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

  416.                 } catch(...) {}

  417.                 break;

  418. 

  419.             case FluidSynthChorusOnOff:

  420.                 try {

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

  422.                 } catch(...) {}

  423.                 break;

  424. 

  425.             case FluidSynthChorusNr:

  426.             case FluidSynthChorusLevel:

  427.             case FluidSynthChorusSpeedHz:

  428.             case FluidSynthChorusDepthMs:

  429.             case FluidSynthChorusType:

  430.                 try {

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

  432.                 } catch(...) {}

  433.                 break;

  434. 

  435.             case FluidSynthPolyphony:

  436.                 try {

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

  438.                 } catch(...) {}

  439.                 break;

  440. 

  441.             case FluidSynthInterpolation:

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

  443.                 {

  444.                     try {

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

  446.                     }

  447.                     catch(...) {

  448.                         break;

  449.                     }

  450.                 }

  451.                 break;

  452. 

  453.             default:

  454.                 break;

  455.             }

  456.         }

  457. 

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

  459.     }

  460. 

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

  462.     {

  463.         CARLA_SAFE_ASSERT_RETURN(fSynth != nullptr,);

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

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

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

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

  468. 

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

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

  471. 

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

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

  474. 

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

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

  477. 

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

  479. 

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

  481.         {

  482.             uint8_t channel = 0;

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

  484.             {

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

  486. 

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

  488.                 {

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

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

  491. 

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

  493.                     fCurMidiProgs[channel] = index;

  494. 

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

  496.                     {

  497.                         pData->midiprog.current = index;

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

  499.                     }

  500.                 }

  501. 

  502.                 ++channel;

  503.             }

  504.             CARLA_SAFE_ASSERT(channel == MAX_MIDI_CHANNELS);

  505.         }

  506. 

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

  508.     }

  509. 

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

  511.     {

  512.         CARLA_SAFE_ASSERT_RETURN(fSynth != nullptr,);

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

  514. 

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

  516.         {

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

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

  519. 

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

  521. 

  522.             try {

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

  524.             } catch(...) {}

  525. 

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

  527.         }

  528. 

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

  530.     }

  531. 

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

  533.     // Set ui stuff

  534. 

  535.     // nothing

  536. 

  537.     // -------------------------------------------------------------------

  538.     // Plugin state

  539. 

  540.     void reload() override

  541.     {

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

  543.         CARLA_SAFE_ASSERT_RETURN(fSynth != nullptr,);

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

  545. 

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

  547. 

  548.         // Safely disable plugin for reload

  549.         const ScopedDisabler sd(this);

  550. 

  551.         if (pData->active)

  552.             deactivate();

  553. 

  554.         clearBuffers();

  555. 

  556.         uint32_t aOuts, params;

  557.         aOuts  = kUse16Outs ? 32 : 2;

  558.         params = FluidSynthParametersMax;

  559. 

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

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

  562. 

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

  564.         CarlaString portName;

  565. 

  566.         // ---------------------------------------

  567.         // Audio Outputs

  568. 

  569.         if (kUse16Outs)

  570.         {

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

  572.             {

  573.                 portName.clear();

  574. 

  575.                 if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  576.                 {

  577.                     portName  = pData->name;

  578.                     portName += ":";

  579.                 }

  580. 

  581.                 portName += "out-";

  582. 

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

  584.                     portName += "0";

  585. 

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

  587. 

  588.                 if (i % 2 == 0)

  589.                     portName += "L";

  590.                 else

  591.                     portName += "R";

  592. 

  593.                 portName.truncate(portNameSize);

  594. 

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

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

  597.             }

  598. 

  599.             fAudio16Buffers = new float*[aOuts];

  600. 

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

  602.                 fAudio16Buffers[i] = nullptr;

  603.         }

  604.         else

  605.         {

  606.             // out-left

  607.             portName.clear();

  608. 

  609.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  610.             {

  611.                 portName  = pData->name;

  612.                 portName += ":";

  613.             }

  614. 

  615.             portName += "out-left";

  616.             portName.truncate(portNameSize);

  617. 

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

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

  620. 

  621.             // out-right

  622.             portName.clear();

  623. 

  624.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  625.             {

  626.                 portName  = pData->name;

  627.                 portName += ":";

  628.             }

  629. 

  630.             portName += "out-right";

  631.             portName.truncate(portNameSize);

  632. 

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

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

  635.         }

  636. 

  637.         // ---------------------------------------

  638.         // Event Input

  639. 

  640.         {

  641.             portName.clear();

  642. 

  643.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  644.             {

  645.                 portName  = pData->name;

  646.                 portName += ":";

  647.             }

  648. 

  649.             portName += "events-in";

  650.             portName.truncate(portNameSize);

  651. 

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

  653.         }

  654. 

  655.         // ---------------------------------------

  656.         // Event Output

  657. 

  658.         {

  659.             portName.clear();

  660. 

  661.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  662.             {

  663.                 portName  = pData->name;

  664.                 portName += ":";

  665.             }

  666. 

  667.             portName += "events-out";

  668.             portName.truncate(portNameSize);

  669. 

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

  671.         }

  672. 

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

  674.         // Parameters

  675. 

  676.         {

  677.             int j;

  678. 

  679.             // ----------------------

  680.             j = FluidSynthReverbOnOff;

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

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

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

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

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

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

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

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

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

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

  691. 

  692.             // ----------------------

  693.             j = FluidSynthReverbRoomSize;

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

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

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

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

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

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

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

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

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

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

  704. 

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

  706.             j = FluidSynthReverbDamp;

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

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

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

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

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

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

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

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

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

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

  717. 

  718.             // ----------------------

  719.             j = FluidSynthReverbLevel;

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

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

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

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

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

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

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

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

  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. 

  732.             // ----------------------

  733.             j = FluidSynthReverbWidth;

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

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

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

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

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

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

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

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

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

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

  744. 

  745.             // ----------------------

  746.             j = FluidSynthChorusOnOff;

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

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

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

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

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

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

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

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

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

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

  757. 

  758.             // ----------------------

  759.             j = FluidSynthChorusNr;

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

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

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

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

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

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

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

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

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

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

  770. 

  771.             // ----------------------

  772.             j = FluidSynthChorusLevel;

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

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

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

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

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

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

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

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

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

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

  783. 

  784.             // ----------------------

  785.             j = FluidSynthChorusSpeedHz;

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

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

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

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

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

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

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

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

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

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

  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.ranges[j].min = 0.0f;

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

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

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

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

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

  809. 

  810.             // ----------------------

  811.             j = FluidSynthChorusType;

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

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

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

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

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

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

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

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

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

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

  822. 

  823.             // ----------------------

  824.             j = FluidSynthPolyphony;

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

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

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

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

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

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

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

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

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

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

  835. 

  836.             // ----------------------

  837.             j = FluidSynthInterpolation;

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

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

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

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

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

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

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

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

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

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

  848. 

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

  850.             j = FluidSynthVoiceCount;

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

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

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

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

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

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

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

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

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

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

  861. 

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

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

  864.         }

  865. 

  866.         // ---------------------------------------

  867. 

  868.         // plugin hints

  869.         pData->hints  = 0x0;

  870.         pData->hints |= PLUGIN_IS_SYNTH;

  871.         pData->hints |= PLUGIN_CAN_VOLUME;

  872.         pData->hints |= PLUGIN_USES_MULTI_PROGS;

  873. 

  874.         if (! kUse16Outs)

  875.             pData->hints |= PLUGIN_CAN_BALANCE;

  876. 

  877.         // extra plugin hints

  878.         pData->extraHints  = 0x0;

  879.         pData->extraHints |= PLUGIN_EXTRA_HINT_HAS_MIDI_IN;

  880. 

  881.         if (! kUse16Outs)

  882.             pData->extraHints |= PLUGIN_EXTRA_HINT_CAN_RUN_RACK;

  883. 

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

  885.         reloadPrograms(true);

  886. 

  887.         if (pData->active)

  888.             activate();

  889. 

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

  891.     }

  892. 

  893.     void reloadPrograms(const bool doInit) override

  894.     {

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

  896. 

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

  898.         bool hasDrums = false;

  899.         uint32_t drumIndex, drumProg;

  900.         drumIndex = drumProg = 0;

  901. 

  902.         // Delete old programs

  903.         pData->midiprog.clear();

  904. 

  905.         // Query new programs

  906.         uint32_t count = 0;

  907. 

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

  909.         {

  910.             fluid_preset_t f_preset;

  911. 

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

  913.             f_sfont->iteration_start(f_sfont);

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

  915.                 ++count;

  916. 

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

  918.             CARLA_SAFE_ASSERT_RETURN(count > 0,);

  919. 

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

  921. 

  922.             // Update data

  923.             int tmp;

  924.             uint32_t i = 0;

  925.             f_sfont->iteration_start(f_sfont);

  926. 

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

  928.             {

  929.                 CARLA_SAFE_ASSERT_BREAK(i < count);

  930. 

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

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

  933. 

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

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

  936. 

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

  938. 

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

  940.                 {

  941.                     hasDrums  = true;

  942.                     drumIndex = i;

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

  944.                 }

  945. 

  946.                 ++i;

  947.             }

  948.         }

  949.         else

  950.         {

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

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

  953.             return;

  954.         }

  955. 

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

  957.         // Update OSC Names

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

  959.         {

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

  961. 

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

  963.                 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);

  964.         }

  965. #endif

  966. 

  967.         if (doInit)

  968.         {

  969.             fluid_synth_program_reset(fSynth);

  970. 

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

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

  973.             {

  974. #ifdef FLUIDSYNTH_VERSION_NEW_API

  975.                 fluid_synth_set_channel_type(fSynth, i, CHANNEL_TYPE_MELODIC);

  976. #endif

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

  978. 

  979.                 fCurMidiProgs[i] = 0;

  980.             }

  981. 

  982.             if (hasDrums)

  983.             {

  984. #ifdef FLUIDSYNTH_VERSION_NEW_API

  985.                 fluid_synth_set_channel_type(fSynth, 9, CHANNEL_TYPE_DRUM);

  986. #endif

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

  988. 

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

  990.             }

  991.             else

  992.             {

  993. #ifdef FLUIDSYNTH_VERSION_NEW_API

  994.                 fluid_synth_set_channel_type(fSynth, 9, CHANNEL_TYPE_MELODIC);

  995. #endif

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

  997. 

  998.                 fCurMidiProgs[9] = 0;

  999.             }

  1000. 

  1001.             pData->midiprog.current = 0;

  1002.         }

  1003.         else

  1004.         {

  1005.             pData->engine->callback(ENGINE_CALLBACK_RELOAD_PROGRAMS, pData->id, 0, 0, 0.0f, nullptr);

  1006.         }

  1007.     }

  1008. 

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

  1010.     // Plugin processing

  1011. 

  1012.     void process(const float** const, float** const audioOut, const float** const, float** const, const uint32_t frames) override

  1013.     {

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

  1015.         // Check if active

  1016. 

  1017.         if (! pData->active)

  1018.         {

  1019.             // disable any output sound

  1020.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1021.                 FloatVectorOperations::clear(audioOut[i], static_cast<int>(frames));

  1022.             return;

  1023.         }

  1024. 

  1025.         // --------------------------------------------------------------------------------------------------------

  1026.         // Check if needs reset

  1027. 

  1028.         if (pData->needsReset)

  1029.         {

  1030.             if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1031.             {

  1032.                 for (int i=0; i < MAX_MIDI_CHANNELS; ++i)

  1033.                 {

  1034. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1035.                     fluid_synth_all_notes_off(fSynth, i);

  1036.                     fluid_synth_all_sounds_off(fSynth, i);

  1037. #else

  1038.                     fluid_synth_cc(fSynth, i, MIDI_CONTROL_ALL_SOUND_OFF, 0);

  1039.                     fluid_synth_cc(fSynth, i, MIDI_CONTROL_ALL_NOTES_OFF, 0);

  1040. #endif

  1041.                 }

  1042.             }

  1043.             else if (pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1044.             {

  1045.                 for (int i=0; i < MAX_MIDI_NOTE; ++i)

  1046.                     fluid_synth_noteoff(fSynth, pData->ctrlChannel, i);

  1047.             }

  1048. 

  1049.             pData->needsReset = false;

  1050.         }

  1051. 

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

  1053.         // Event Input and Processing

  1054. 

  1055.         {

  1056.             // ----------------------------------------------------------------------------------------------------

  1057.             // MIDI Input (External)

  1058. 

  1059.             if (pData->extNotes.mutex.tryLock())

  1060.             {

  1061.                 for (RtLinkedList<ExternalMidiNote>::Itenerator it = pData->extNotes.data.begin2(); it.valid(); it.next())

  1062.                 {

  1063.                     const ExternalMidiNote& note(it.getValue(kExternalMidiNoteFallback));

  1064.                     CARLA_SAFE_ASSERT_CONTINUE(note.channel >= 0 && note.channel < MAX_MIDI_CHANNELS);

  1065. 

  1066.                     if (note.velo > 0)

  1067.                         fluid_synth_noteon(fSynth, note.channel, note.note, note.velo);

  1068.                     else

  1069.                         fluid_synth_noteoff(fSynth,note.channel, note.note);

  1070.                 }

  1071. 

  1072.                 pData->extNotes.data.clear();

  1073.                 pData->extNotes.mutex.unlock();

  1074. 

  1075.             } // End of MIDI Input (External)

  1076. 

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

  1078.             // Event Input (System)

  1079. 

  1080. #ifndef BUILD_BRIDGE

  1081.             bool allNotesOffSent = false;

  1082. #endif

  1083.             uint32_t timeOffset = 0;

  1084. 

  1085.             uint32_t nextBankIds[MAX_MIDI_CHANNELS] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 0, 0, 0, 0, 0, 0 };

  1086. 

  1087.             if (pData->midiprog.current >= 0 && pData->midiprog.count > 0 && pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1088.                 nextBankIds[pData->ctrlChannel] = pData->midiprog.data[pData->midiprog.current].bank;

  1089. 

  1090.             for (uint32_t i=0, numEvents=pData->event.portIn->getEventCount(); i < numEvents; ++i)

  1091.             {

  1092.                 const EngineEvent& event(pData->event.portIn->getEvent(i));

  1093. 

  1094.                 if (event.time >= frames)

  1095.                     continue;

  1096. 

  1097.                 CARLA_ASSERT_INT2(event.time >= timeOffset, event.time, timeOffset);

  1098. 

  1099.                 if (event.time > timeOffset)

  1100.                 {

  1101.                     if (processSingle(audioOut, event.time - timeOffset, timeOffset))

  1102.                     {

  1103.                         timeOffset = event.time;

  1104. 

  1105.                         if (pData->midiprog.current >= 0 && pData->midiprog.count > 0 && pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1106.                             nextBankIds[pData->ctrlChannel] = pData->midiprog.data[pData->midiprog.current].bank;

  1107.                     }

  1108.                 }

  1109. 

  1110.                 // Control change

  1111.                 switch (event.type)

  1112.                 {

  1113.                 case kEngineEventTypeNull:

  1114.                     break;

  1115. 

  1116.                 case kEngineEventTypeControl:

  1117.                 {

  1118.                     const EngineControlEvent& ctrlEvent = event.ctrl;

  1119. 

  1120.                     switch (ctrlEvent.type)

  1121.                     {

  1122.                     case kEngineControlEventTypeNull:

  1123.                         break;

  1124. 

  1125.                     case kEngineControlEventTypeParameter:

  1126.                     {

  1127. #ifndef BUILD_BRIDGE

  1128.                         // Control backend stuff

  1129.                         if (event.channel == pData->ctrlChannel)

  1130.                         {

  1131.                             float value;

  1132. 

  1133.                             if (MIDI_IS_CONTROL_BREATH_CONTROLLER(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_DRYWET) != 0)

  1134.                             {

  1135.                                 value = ctrlEvent.value;

  1136.                                 setDryWet(value, false, false);

  1137.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_DRYWET, 0, value);

  1138.                             }

  1139. 

  1140.                             if (MIDI_IS_CONTROL_CHANNEL_VOLUME(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_VOLUME) != 0)

  1141.                             {

  1142.                                 value = ctrlEvent.value*127.0f/100.0f;

  1143.                                 setVolume(value, false, false);

  1144.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_VOLUME, 0, value);

  1145.                             }

  1146. 

  1147.                             if (MIDI_IS_CONTROL_BALANCE(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_BALANCE) != 0)

  1148.                             {

  1149.                                 float left, right;

  1150.                                 value = ctrlEvent.value/0.5f - 1.0f;

  1151. 

  1152.                                 if (value < 0.0f)

  1153.                                 {

  1154.                                     left  = -1.0f;

  1155.                                     right = (value*2.0f)+1.0f;

  1156.                                 }

  1157.                                 else if (value > 0.0f)

  1158.                                 {

  1159.                                     left  = (value*2.0f)-1.0f;

  1160.                                     right = 1.0f;

  1161.                                 }

  1162.                                 else

  1163.                                 {

  1164.                                     left  = -1.0f;

  1165.                                     right = 1.0f;

  1166.                                 }

  1167. 

  1168.                                 setBalanceLeft(left, false, false);

  1169.                                 setBalanceRight(right, false, false);

  1170.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_LEFT, 0, left);

  1171.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_RIGHT, 0, right);

  1172.                             }

  1173.                         }

  1174. #endif

  1175.                         // Control plugin parameters

  1176.                         for (uint32_t k=0; k < pData->param.count; ++k)

  1177.                         {

  1178.                             if (pData->param.data[k].midiChannel != event.channel)

  1179.                                 continue;

  1180.                             if (pData->param.data[k].midiCC != ctrlEvent.param)

  1181.                                 continue;

  1182.                             if (pData->param.data[k].hints != PARAMETER_INPUT)

  1183.                                 continue;

  1184.                             if ((pData->param.data[k].hints & PARAMETER_IS_AUTOMABLE) == 0)

  1185.                                 continue;

  1186. 

  1187.                             float value;

  1188. 

  1189.                             if (pData->param.data[k].hints & PARAMETER_IS_BOOLEAN)

  1190.                             {

  1191.                                 value = (ctrlEvent.value < 0.5f) ? pData->param.ranges[k].min : pData->param.ranges[k].max;

  1192.                             }

  1193.                             else

  1194.                             {

  1195.                                 value = pData->param.ranges[k].getUnnormalizedValue(ctrlEvent.value);

  1196. 

  1197.                                 if (pData->param.data[k].hints & PARAMETER_IS_INTEGER)

  1198.                                     value = std::rint(value);

  1199.                             }

  1200. 

  1201.                             setParameterValue(k, value, false, false, false);

  1202.                             pData->postponeRtEvent(kPluginPostRtEventParameterChange, static_cast<int32_t>(k), 0, value);

  1203.                         }

  1204. 

  1205.                         if ((pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0 && ctrlEvent.param < MAX_MIDI_CONTROL)

  1206.                         {

  1207.                             fluid_synth_cc(fSynth, event.channel, ctrlEvent.param, int(ctrlEvent.value*127.0f));

  1208.                         }

  1209.                         break;

  1210.                     }

  1211. 

  1212.                     case kEngineControlEventTypeMidiBank:

  1213.                         if (event.channel < MAX_MIDI_CHANNELS && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1214.                             nextBankIds[event.channel] = ctrlEvent.param;

  1215.                         break;

  1216. 

  1217.                     case kEngineControlEventTypeMidiProgram:

  1218.                         if (event.channel < MAX_MIDI_CHANNELS && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1219.                         {

  1220.                             const uint32_t bankId(nextBankIds[event.channel]);

  1221.                             const uint32_t progId(ctrlEvent.param);

  1222. 

  1223.                             // TODO int32_t midiprog.find(bank, prog)

  1224.                             for (uint32_t k=0; k < pData->midiprog.count; ++k)

  1225.                             {

  1226.                                 if (pData->midiprog.data[k].bank == bankId && pData->midiprog.data[k].program == progId)

  1227.                                 {

  1228.                                     fluid_synth_program_select(fSynth, event.channel, fSynthId, bankId, progId);

  1229.                                     fCurMidiProgs[event.channel] = static_cast<int32_t>(k);

  1230. 

  1231.                                     if (event.channel == pData->ctrlChannel)

  1232.                                         pData->postponeRtEvent(kPluginPostRtEventMidiProgramChange, static_cast<int32_t>(k), 0, 0.0f);

  1233. 

  1234.                                     break;

  1235.                                 }

  1236.                             }

  1237.                         }

  1238.                         break;

  1239. 

  1240.                     case kEngineControlEventTypeAllSoundOff:

  1241.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1242.                         {

  1243. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1244.                             fluid_synth_all_sounds_off(fSynth, event.channel);

  1245. #else

  1246.                             fluid_synth_cc(fSynth, event.channel, MIDI_CONTROL_ALL_SOUND_OFF, 0);

  1247. #endif

  1248.                         }

  1249.                         break;

  1250. 

  1251.                     case kEngineControlEventTypeAllNotesOff:

  1252.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1253.                         {

  1254. #ifndef BUILD_BRIDGE

  1255.                             if (event.channel == pData->ctrlChannel && ! allNotesOffSent)

  1256.                             {

  1257.                                 allNotesOffSent = true;

  1258.                                 sendMidiAllNotesOffToCallback();

  1259.                             }

  1260. #endif

  1261. 

  1262. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1263.                             fluid_synth_all_notes_off(fSynth, event.channel);

  1264. #else

  1265.                             fluid_synth_cc(fSynth, event.channel, MIDI_CONTROL_ALL_NOTES_OFF, 0);

  1266. #endif

  1267.                         }

  1268.                         break;

  1269.                     }

  1270. 

  1271.                     break;

  1272.                 }

  1273. 

  1274.                 case kEngineEventTypeMidi: {

  1275.                     const EngineMidiEvent& midiEvent(event.midi);

  1276. 

  1277.                     if (midiEvent.size > EngineMidiEvent::kDataSize)

  1278.                         continue;

  1279. 

  1280.                     uint8_t status = uint8_t(MIDI_GET_STATUS_FROM_DATA(midiEvent.data));

  1281. 

  1282.                     // Fix bad note-off

  1283.                     if (status == MIDI_STATUS_NOTE_ON && midiEvent.data[2] == 0)

  1284.                         status = MIDI_STATUS_NOTE_OFF;

  1285. 

  1286.                     switch (status)

  1287.                     {

  1288.                     case MIDI_STATUS_NOTE_OFF: {

  1289.                         const uint8_t note = midiEvent.data[1];

  1290. 

  1291.                         fluid_synth_noteoff(fSynth, event.channel, note);

  1292. 

  1293.                         pData->postponeRtEvent(kPluginPostRtEventNoteOff, event.channel, note, 0.0f);

  1294.                         break;

  1295.                     }

  1296. 

  1297.                     case MIDI_STATUS_NOTE_ON: {

  1298.                         const uint8_t note = midiEvent.data[1];

  1299.                         const uint8_t velo = midiEvent.data[2];

  1300. 

  1301.                         fluid_synth_noteon(fSynth, event.channel, note, velo);

  1302. 

  1303.                         pData->postponeRtEvent(kPluginPostRtEventNoteOn, event.channel, note, velo);

  1304.                         break;

  1305.                     }

  1306. 

  1307.                     case MIDI_STATUS_POLYPHONIC_AFTERTOUCH:

  1308.                         if (pData->options & PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH)

  1309.                         {

  1310.                             //const uint8_t note     = midiEvent.data[1];

  1311.                             //const uint8_t pressure = midiEvent.data[2];

  1312. 

  1313.                             // not in fluidsynth API

  1314.                         }

  1315.                         break;

  1316. 

  1317.                     case MIDI_STATUS_CONTROL_CHANGE:

  1318.                         if (pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES)

  1319.                         {

  1320.                             const uint8_t control = midiEvent.data[1];

  1321.                             const uint8_t value   = midiEvent.data[2];

  1322. 

  1323.                             fluid_synth_cc(fSynth, event.channel, control, value);

  1324.                         }

  1325.                         break;

  1326. 

  1327.                     case MIDI_STATUS_CHANNEL_PRESSURE:

  1328.                         if (pData->options & PLUGIN_OPTION_SEND_CHANNEL_PRESSURE)

  1329.                         {

  1330.                             const uint8_t pressure = midiEvent.data[1];

  1331. 

  1332.                             fluid_synth_channel_pressure(fSynth, event.channel, pressure);;

  1333.                         }

  1334.                         break;

  1335. 

  1336.                     case MIDI_STATUS_PITCH_WHEEL_CONTROL:

  1337.                         if (pData->options & PLUGIN_OPTION_SEND_PITCHBEND)

  1338.                         {

  1339.                             const uint8_t lsb = midiEvent.data[1];

  1340.                             const uint8_t msb = midiEvent.data[2];

  1341.                             const int   value = ((msb << 7) | lsb);

  1342. 

  1343.                             fluid_synth_pitch_bend(fSynth, event.channel, value);

  1344.                         }

  1345.                         break;

  1346. 

  1347.                     default:

  1348.                         continue;

  1349.                         break;

  1350.                     } // switch (status)

  1351.                 } break;

  1352.                 } // switch (event.type)

  1353.             }

  1354. 

  1355.             pData->postRtEvents.trySplice();

  1356. 

  1357.             if (frames > timeOffset)

  1358.                 processSingle(audioOut, frames - timeOffset, timeOffset);

  1359. 

  1360.         } // End of Event Input and Processing

  1361. 

  1362. #ifndef BUILD_BRIDGE

  1363.         // --------------------------------------------------------------------------------------------------------

  1364.         // Control Output

  1365. 

  1366.         {

  1367.             uint32_t k = FluidSynthVoiceCount;

  1368.             fParamBuffers[k] = float(fluid_synth_get_active_voice_count(fSynth));

  1369.             pData->param.ranges[k].fixValue(fParamBuffers[k]);

  1370. 

  1371.             if (pData->param.data[k].midiCC > 0)

  1372.             {

  1373.                 float value(pData->param.ranges[k].getNormalizedValue(fParamBuffers[k]));

  1374.                 pData->event.portOut->writeControlEvent(0, pData->param.data[k].midiChannel, kEngineControlEventTypeParameter, static_cast<uint16_t>(pData->param.data[k].midiCC), value);

  1375.             }

  1376. 

  1377.         } // End of Control Output

  1378. #endif

  1379.     }

  1380. 

  1381.     bool processSingle(float** const outBuffer, const uint32_t frames, const uint32_t timeOffset)

  1382.     {

  1383.         CARLA_SAFE_ASSERT_RETURN(outBuffer != nullptr, false);

  1384.         CARLA_SAFE_ASSERT_RETURN(frames > 0, false);

  1385. 

  1386.         // --------------------------------------------------------------------------------------------------------

  1387.         // Try lock, silence otherwise

  1388. 

  1389.         if (pData->engine->isOffline())

  1390.         {

  1391.             pData->singleMutex.lock();

  1392.         }

  1393.         else if (! pData->singleMutex.tryLock())

  1394.         {

  1395.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1396.             {

  1397.                 for (uint32_t k=0; k < frames; ++k)

  1398.                     outBuffer[i][k+timeOffset] = 0.0f;

  1399.             }

  1400. 

  1401.             return false;

  1402.         }

  1403. 

  1404.         // --------------------------------------------------------------------------------------------------------

  1405.         // Fill plugin buffers and Run plugin

  1406. 

  1407.         if (kUse16Outs)

  1408.         {

  1409.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1410.                 FloatVectorOperations::clear(fAudio16Buffers[i], static_cast<int>(frames));

  1411. 

  1412.             // FIXME use '32' or '16' instead of outs

  1413.             fluid_synth_process(fSynth, static_cast<int>(frames), 0, nullptr, static_cast<int>(pData->audioOut.count), fAudio16Buffers);

  1414.         }

  1415.         else

  1416.             fluid_synth_write_float(fSynth, static_cast<int>(frames), outBuffer[0] + timeOffset, 0, 1, outBuffer[1] + timeOffset, 0, 1);

  1417. 

  1418. #ifndef BUILD_BRIDGE

  1419.         // --------------------------------------------------------------------------------------------------------

  1420.         // Post-processing (volume and balance)

  1421. 

  1422.         {

  1423.             // note - balance not possible with kUse16Outs, so we can safely skip fAudioOutBuffers

  1424.             const bool doVolume  = (pData->hints & PLUGIN_CAN_VOLUME) != 0 && carla_isNotEqual(pData->postProc.volume, 1.0f);

  1425.             const bool doBalance = (pData->hints & PLUGIN_CAN_BALANCE) != 0 && ! (carla_isEqual(pData->postProc.balanceLeft, -1.0f) && carla_isEqual(pData->postProc.balanceRight, 1.0f));

  1426. 

  1427.             float oldBufLeft[doBalance ? frames : 1];

  1428. 

  1429.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1430.             {

  1431.                 // Balance

  1432.                 if (doBalance)

  1433.                 {

  1434.                     if (i % 2 == 0)

  1435.                         FloatVectorOperations::copy(oldBufLeft, outBuffer[i]+timeOffset, static_cast<int>(frames));

  1436. 

  1437.                     float balRangeL = (pData->postProc.balanceLeft  + 1.0f)/2.0f;

  1438.                     float balRangeR = (pData->postProc.balanceRight + 1.0f)/2.0f;

  1439. 

  1440.                     for (uint32_t k=0; k < frames; ++k)

  1441.                     {

  1442.                         if (i % 2 == 0)

  1443.                         {

  1444.                             // left

  1445.                             outBuffer[i][k+timeOffset]  = oldBufLeft[k]                * (1.0f - balRangeL);

  1446.                             outBuffer[i][k+timeOffset] += outBuffer[i+1][k+timeOffset] * (1.0f - balRangeR);

  1447.                         }

  1448.                         else

  1449.                         {

  1450.                             // right

  1451.                             outBuffer[i][k+timeOffset]  = outBuffer[i][k+timeOffset] * balRangeR;

  1452.                             outBuffer[i][k+timeOffset] += oldBufLeft[k]              * balRangeL;

  1453.                         }

  1454.                     }

  1455.                 }

  1456. 

  1457.                 // Volume

  1458.                 if (kUse16Outs)

  1459.                 {

  1460.                     for (uint32_t k=0; k < frames; ++k)

  1461.                         outBuffer[i][k+timeOffset] = fAudio16Buffers[i][k] * pData->postProc.volume;

  1462.                 }

  1463.                 else if (doVolume)

  1464.                 {

  1465.                     for (uint32_t k=0; k < frames; ++k)

  1466.                         outBuffer[i][k+timeOffset] *= pData->postProc.volume;

  1467.                 }

  1468.             }

  1469. 

  1470.         } // End of Post-processing

  1471. #else

  1472.         if (kUse16Outs)

  1473.         {

  1474.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1475.             {

  1476.                 for (uint32_t k=0; k < frames; ++k)

  1477.                     outBuffer[i][k+timeOffset] = fAudio16Buffers[i][k];

  1478.             }

  1479.         }

  1480. #endif

  1481. 

  1482.         // --------------------------------------------------------------------------------------------------------

  1483. 

  1484.         pData->singleMutex.unlock();

  1485.         return true;

  1486.     }

  1487. 

  1488.     void bufferSizeChanged(const uint32_t newBufferSize) override

  1489.     {

  1490.         if (! kUse16Outs)

  1491.             return;

  1492. 

  1493.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1494.         {

  1495.             if (fAudio16Buffers[i] != nullptr)

  1496.                 delete[] fAudio16Buffers[i];

  1497.             fAudio16Buffers[i] = new float[newBufferSize];

  1498.         }

  1499.     }

  1500. 

  1501.     void sampleRateChanged(const double newSampleRate) override

  1502.     {

  1503.         CARLA_SAFE_ASSERT_RETURN(fSettings != nullptr,);

  1504. 

  1505.         fluid_settings_setnum(fSettings, "synth.sample-rate", newSampleRate);

  1506. 

  1507. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1508.         CARLA_SAFE_ASSERT_RETURN(fSynth != nullptr,);

  1509. 

  1510.         fluid_synth_set_sample_rate(fSynth, float(newSampleRate));

  1511. #endif

  1512.     }

  1513. 

  1514.     // -------------------------------------------------------------------

  1515.     // Plugin buffers

  1516. 

  1517.     void clearBuffers() noexcept override

  1518.     {

  1519.         carla_debug("CarlaPluginFluidSynth::clearBuffers() - start");

  1520. 

  1521.         if (fAudio16Buffers != nullptr)

  1522.         {

  1523.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1524.             {

  1525.                 if (fAudio16Buffers[i] != nullptr)

  1526.                 {

  1527.                     delete[] fAudio16Buffers[i];

  1528.                     fAudio16Buffers[i] = nullptr;

  1529.                 }

  1530.             }

  1531. 

  1532.             delete[] fAudio16Buffers;

  1533.             fAudio16Buffers = nullptr;

  1534.         }

  1535. 

  1536.         CarlaPlugin::clearBuffers();

  1537. 

  1538.         carla_debug("CarlaPluginFluidSynth::clearBuffers() - end");

  1539.     }

  1540. 

  1541.     // -------------------------------------------------------------------

  1542. 

  1543.     const void* getExtraStuff() const noexcept override

  1544.     {

  1545.         static const char xtrue[]  = "true";

  1546.         static const char xfalse[] = "false";

  1547.         return kUse16Outs ? xtrue : xfalse;

  1548.     }

  1549. 

  1550.     // -------------------------------------------------------------------

  1551. 

  1552.     bool init(const char* const filename, const char* const name, const char* const label, const uint options)

  1553.     {

  1554.         CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr, false);

  1555. 

  1556.         // ---------------------------------------------------------------

  1557.         // first checks

  1558. 

  1559.         if (pData->client != nullptr)

  1560.         {

  1561.             pData->engine->setLastError("Plugin client is already registered");

  1562.             return false;

  1563.         }

  1564. 

  1565.         if (fSynth == nullptr)

  1566.         {

  1567.             pData->engine->setLastError("null synth");

  1568.             return false;

  1569.         }

  1570. 

  1571.         if (filename == nullptr || filename[0] == '\0')

  1572.         {

  1573.             pData->engine->setLastError("null filename");

  1574.             return false;

  1575.         }

  1576. 

  1577.         if (label == nullptr || label[0] == '\0')

  1578.         {

  1579.             pData->engine->setLastError("null label");

  1580.             return false;

  1581.         }

  1582. 

  1583.         // ---------------------------------------------------------------

  1584.         // open soundfont

  1585. 

  1586.         const int synthId(fluid_synth_sfload(fSynth, filename, 0));

  1587. 

  1588.         if (synthId < 0)

  1589.         {

  1590.             pData->engine->setLastError("Failed to load SoundFont file");

  1591.             return false;

  1592.         }

  1593. 

  1594.         fSynthId = static_cast<uint>(synthId);

  1595. 

  1596.         // ---------------------------------------------------------------

  1597.         // get info

  1598. 

  1599.         CarlaString label2(label);

  1600. 

  1601.         if (kUse16Outs && ! label2.endsWith(" (16 outs)"))

  1602.             label2 += " (16 outs)";

  1603. 

  1604.         fLabel          = label2.dup();

  1605.         pData->filename = carla_strdup(filename);

  1606. 

  1607.         if (name != nullptr && name[0] != '\0')

  1608.             pData->name = pData->engine->getUniquePluginName(name);

  1609.         else

  1610.             pData->name = pData->engine->getUniquePluginName(label);

  1611. 

  1612.         // ---------------------------------------------------------------

  1613.         // register client

  1614. 

  1615.         pData->client = pData->engine->addClient(this);

  1616. 

  1617.         if (pData->client == nullptr || ! pData->client->isOk())

  1618.         {

  1619.             pData->engine->setLastError("Failed to register plugin client");

  1620.             return false;

  1621.         }

  1622. 

  1623.         // ---------------------------------------------------------------

  1624.         // set default options

  1625. 

  1626.         pData->options  = 0x0;

  1627.         pData->options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  1628.         pData->options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  1629.         pData->options |= PLUGIN_OPTION_SEND_PITCHBEND;

  1630.         pData->options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  1631. 

  1632.         // TODO: read some options

  1633. 

  1634.         return true;

  1635. 

  1636.         (void)options;

  1637.     }

  1638. 

  1639. private:

  1640.     enum FluidSynthParameters {

  1641.         FluidSynthReverbOnOff    = 0,

  1642.         FluidSynthReverbRoomSize = 1,

  1643.         FluidSynthReverbDamp     = 2,

  1644.         FluidSynthReverbLevel    = 3,

  1645.         FluidSynthReverbWidth    = 4,

  1646.         FluidSynthChorusOnOff    = 5,

  1647.         FluidSynthChorusNr       = 6,

  1648.         FluidSynthChorusLevel    = 7,

  1649.         FluidSynthChorusSpeedHz  = 8,

  1650.         FluidSynthChorusDepthMs  = 9,

  1651.         FluidSynthChorusType     = 10,

  1652.         FluidSynthPolyphony      = 11,

  1653.         FluidSynthInterpolation  = 12,

  1654.         FluidSynthVoiceCount     = 13,

  1655.         FluidSynthParametersMax  = 14

  1656.     };

  1657. 

  1658.     const bool kUse16Outs;

  1659. 

  1660.     fluid_settings_t* fSettings;

  1661.     fluid_synth_t*    fSynth;

  1662.     uint              fSynthId;

  1663. 

  1664.     float** fAudio16Buffers;

  1665.     float   fParamBuffers[FluidSynthParametersMax];

  1666. 

  1667.     int32_t fCurMidiProgs[MAX_MIDI_CHANNELS];

  1668. 

  1669.     const char* fLabel;

  1670. 

  1671.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaPluginFluidSynth)

  1672. };

  1673. 

  1674. CARLA_BACKEND_END_NAMESPACE

  1675. 

  1676. #endif // HAVE_FLUIDSYNTH

  1677. 

  1678. CARLA_BACKEND_START_NAMESPACE

  1679. 

  1680. // -------------------------------------------------------------------------------------------------------------------

  1681. 

  1682. CarlaPlugin* CarlaPlugin::newFluidSynth(const Initializer& init, const bool use16Outs)

  1683. {

  1684.     carla_debug("CarlaPlugin::newFluidSynth({%p, \"%s\", \"%s\", \"%s\", " P_INT64 "}, %s)", init.engine, init.filename, init.name, init.label, init.uniqueId, bool2str(use16Outs));

  1685. 

  1686. #ifdef HAVE_FLUIDSYNTH

  1687.     if (init.engine->getProccessMode() == ENGINE_PROCESS_MODE_CONTINUOUS_RACK && use16Outs)

  1688.     {

  1689.         init.engine->setLastError("Carla's rack mode can only work with Stereo modules, please choose the 2-channel only SoundFont version");

  1690.         return nullptr;

  1691.     }

  1692. 

  1693.     if (! fluid_is_soundfont(init.filename))

  1694.     {

  1695.         init.engine->setLastError("Requested file is not a valid SoundFont");

  1696.         return nullptr;

  1697.     }

  1698. 

  1699.     CarlaPluginFluidSynth* const plugin(new CarlaPluginFluidSynth(init.engine, init.id,  use16Outs));

  1700. 

  1701.     if (! plugin->init(init.filename, init.name, init.label, init.options))

  1702.     {

  1703.         delete plugin;

  1704.         return nullptr;

  1705.     }

  1706. 

  1707.     return plugin;

  1708. #else

  1709.     init.engine->setLastError("fluidsynth support not available");

  1710.     return nullptr;

  1711. 

  1712.     // unused

  1713.     (void)use16Outs;

  1714. #endif

  1715. }

  1716. 

  1717. CarlaPlugin* CarlaPlugin::newFileSF2(const Initializer& init, const bool use16Outs)

  1718. {

  1719.     carla_debug("CarlaPlugin::newFileSF2({%p, \"%s\", \"%s\", \"%s\"}, %s)", init.engine, init.filename, init.name, init.label, bool2str(use16Outs));

  1720. #ifdef HAVE_FLUIDSYNTH

  1721.     return newFluidSynth(init, use16Outs);

  1722. #else

  1723.     init.engine->setLastError("SF2 support not available");

  1724.     return nullptr;

  1725. 

  1726.     // unused

  1727.     (void)use16Outs;

  1728. #endif

  1729. }

  1730. 

  1731. // -------------------------------------------------------------------------------------------------------------------

  1732. 

  1733. CARLA_BACKEND_END_NAMESPACE