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Carla/source/backend/plugin/FluidSynthPlugin.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.h"

  26. 

  27. #include <fluidsynth.h>

  28. 

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

  30. # define FLUIDSYNTH_VERSION_NEW_API

  31. #endif

  32. 

  33. #define FLUID_DEFAULT_POLYPHONY 64

  34. 

  35. using juce::String;

  36. using juce::StringArray;

  37. 

  38. CARLA_BACKEND_START_NAMESPACE

  39. 

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

  41. 

  42. class FluidSynthPlugin : public CarlaPlugin

  43. {

  44. public:

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

  46.         : CarlaPlugin(engine, id),

  47.           kUse16Outs(use16Outs),

  48.           fSettings(nullptr),

  49.           fSynth(nullptr),

  50.           fSynthId(0),

  51.           fAudio16Buffers(nullptr),

  52.           fLabel(nullptr)

  53.     {

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

  55. 

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

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

  58. 

  59.         // create settings

  60.         fSettings = new_fluid_settings();

  61.         CARLA_SAFE_ASSERT_RETURN(fSettings != nullptr,);

  62. 

  63.         // define settings

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

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

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

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

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

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

  70. 

  71.         // create synth

  72.         fSynth = new_fluid_synth(fSettings);

  73.         CARLA_SAFE_ASSERT_RETURN(fSynth != nullptr,);

  74. 

  75. #ifdef FLUIDSYNTH_VERSION_NEW_API

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

  77. #endif

  78. 

  79.         // set default values

  80.         fluid_synth_set_reverb_on(fSynth, 1);

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

  82. 

  83.         fluid_synth_set_chorus_on(fSynth, 1);

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

  85. 

  86.         fluid_synth_set_polyphony(fSynth, FLUID_DEFAULT_POLYPHONY);

  87.         fluid_synth_set_gain(fSynth, 1.0f);

  88. 

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

  90.             fluid_synth_set_interp_method(fSynth, i, FLUID_INTERP_DEFAULT);

  91.     }

  92. 

  93.     ~FluidSynthPlugin() override

  94.     {

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

  96. 

  97.         pData->singleMutex.lock();

  98.         pData->masterMutex.lock();

  99. 

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

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

  102. 

  103.         if (pData->active)

  104.         {

  105.             deactivate();

  106.             pData->active = false;

  107.         }

  108. 

  109.         if (fSynth != nullptr)

  110.         {

  111.             delete_fluid_synth(fSynth);

  112.             fSynth = nullptr;

  113.         }

  114. 

  115.         if (fSettings != nullptr)

  116.         {

  117.             delete_fluid_settings(fSettings);

  118.             fSettings = nullptr;

  119.         }

  120. 

  121.         if (fLabel != nullptr)

  122.         {

  123.             delete[] fLabel;

  124.             fLabel = nullptr;

  125.         }

  126. 

  127.         clearBuffers();

  128.     }

  129. 

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

  131.     // Information (base)

  132. 

  133.     PluginType getType() const noexcept override

  134.     {

  135.         return PLUGIN_SF2;

  136.     }

  137. 

  138.     PluginCategory getCategory() const noexcept override

  139.     {

  140.         return PLUGIN_CATEGORY_SYNTH;

  141.     }

  142. 

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

  144.     // Information (count)

  145. 

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

  147.     {

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

  149. 

  150.         switch (parameterId)

  151.         {

  152.         case FluidSynthChorusType:

  153.             return 2;

  154.         case FluidSynthInterpolation:

  155.             return 4;

  156.         default:

  157.             return 0;

  158.         }

  159.     }

  160. 

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

  162.     // Information (current data)

  163. 

  164.     // nothing

  165. 

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

  167.     // Information (per-plugin data)

  168. 

  169.     uint getOptionsAvailable() const noexcept override

  170.     {

  171.         uint options = 0x0;

  172. 

  173.         options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  174.         options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  175.         options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  176.         options |= PLUGIN_OPTION_SEND_PITCHBEND;

  177.         options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  178. 

  179.         return options;

  180.     }

  181. 

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

  183.     {

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

  185. 

  186.         return fParamBuffers[parameterId];

  187.     }

  188. 

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

  190.     {

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

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

  193. 

  194.         switch (parameterId)

  195.         {

  196.         case FluidSynthChorusType:

  197.             switch (scalePointId)

  198.             {

  199.             case 0:

  200.                 return FLUID_CHORUS_MOD_SINE;

  201.             case 1:

  202.                 return FLUID_CHORUS_MOD_TRIANGLE;

  203.             default:

  204.                 return FLUID_CHORUS_DEFAULT_TYPE;

  205.             }

  206.         case FluidSynthInterpolation:

  207.             switch (scalePointId)

  208.             {

  209.             case 0:

  210.                 return FLUID_INTERP_NONE;

  211.             case 1:

  212.                 return FLUID_INTERP_LINEAR;

  213.             case 2:

  214.                 return FLUID_INTERP_4THORDER;

  215.             case 3:

  216.                 return FLUID_INTERP_7THORDER;

  217.             default:

  218.                 return FLUID_INTERP_DEFAULT;

  219.             }

  220.         default:

  221.             return 0.0f;

  222.         }

  223.     }

  224. 

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

  226.     {

  227.         if (fLabel != nullptr)

  228.         {

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

  230.             return;

  231.         }

  232. 

  233.         CarlaPlugin::getLabel(strBuf);

  234.     }

  235. 

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

  237.     {

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

  239.     }

  240. 

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

  242.     {

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

  244.     }

  245. 

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

  247.     {

  248.         getLabel(strBuf);

  249.     }

  250. 

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

  252.     {

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

  254. 

  255.         switch (parameterId)

  256.         {

  257.         case FluidSynthReverbOnOff:

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

  259.             return;

  260.         case FluidSynthReverbRoomSize:

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

  262.             return;

  263.         case FluidSynthReverbDamp:

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

  265.             return;

  266.         case FluidSynthReverbLevel:

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

  268.             return;

  269.         case FluidSynthReverbWidth:

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

  271.             return;

  272.         case FluidSynthChorusOnOff:

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

  274.             return;

  275.         case FluidSynthChorusNr:

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

  277.             return;

  278.         case FluidSynthChorusLevel:

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

  280.             return;

  281.         case FluidSynthChorusSpeedHz:

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

  283.             return;

  284.         case FluidSynthChorusDepthMs:

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

  286.             return;

  287.         case FluidSynthChorusType:

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

  289.             return;

  290.         case FluidSynthPolyphony:

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

  292.             return;

  293.         case FluidSynthInterpolation:

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

  295.             return;

  296.         case FluidSynthVoiceCount:

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

  298.             return;

  299.         }

  300. 

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

  302.     }

  303. 

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

  305.     {

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

  307. 

  308.         switch (parameterId)

  309.         {

  310.         case FluidSynthChorusSpeedHz:

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

  312.             return;

  313.         case FluidSynthChorusDepthMs:

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

  315.             return;

  316.         }

  317. 

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

  319.     }

  320. 

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

  322.     {

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

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

  325. 

  326.         switch (parameterId)

  327.         {

  328.         case FluidSynthChorusType:

  329.             switch (scalePointId)

  330.             {

  331.             case 0:

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

  333.                 return;

  334.             case 1:

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

  336.                 return;

  337.             }

  338.         case FluidSynthInterpolation:

  339.             switch (scalePointId)

  340.             {

  341.             case 0:

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

  343.                 return;

  344.             case 1:

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

  346.                 return;

  347.             case 2:

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

  349.                 return;

  350.             case 3:

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

  352.                 return;

  353.             }

  354.         }

  355. 

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

  357.     }

  358. 

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

  360.     // Set data (state)

  361. 

  362.     void prepareForSave() override

  363.     {

  364.         char strBuf[STR_MAX+1];

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

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

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

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

  369. 

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

  371.     }

  372. 

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

  374.     // Set data (internal stuff)

  375. 

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

  377.     {

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

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

  380. 

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

  382.     }

  383. 

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

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

  386. 

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

  388.     {

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

  390. 

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

  392.         fParamBuffers[parameterId] = fixedValue;

  393. 

  394.         {

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

  396. 

  397.             switch (parameterId)

  398.             {

  399.             case FluidSynthReverbOnOff:

  400.                 try {

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

  402.                 } catch(...) {}

  403.                 break;

  404. 

  405.             case FluidSynthReverbRoomSize:

  406.             case FluidSynthReverbDamp:

  407.             case FluidSynthReverbLevel:

  408.             case FluidSynthReverbWidth:

  409.                 try {

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

  411.                 } catch(...) {}

  412.                 break;

  413. 

  414.             case FluidSynthChorusOnOff:

  415.                 try {

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

  417.                 } catch(...) {}

  418.                 break;

  419. 

  420.             case FluidSynthChorusNr:

  421.             case FluidSynthChorusLevel:

  422.             case FluidSynthChorusSpeedHz:

  423.             case FluidSynthChorusDepthMs:

  424.             case FluidSynthChorusType:

  425.                 try {

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

  427.                 } catch(...) {}

  428.                 break;

  429. 

  430.             case FluidSynthPolyphony:

  431.                 try {

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

  433.                 } catch(...) {}

  434.                 break;

  435. 

  436.             case FluidSynthInterpolation:

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

  438.                 {

  439.                     try {

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

  441.                     }

  442.                     catch(...) {

  443.                         break;

  444.                     }

  445.                 }

  446.                 break;

  447. 

  448.             default:

  449.                 break;

  450.             }

  451.         }

  452. 

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

  454.     }

  455. 

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

  457.     {

  458.         CARLA_SAFE_ASSERT_RETURN(fSynth != nullptr,);

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

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

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

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

  463. 

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

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

  466. 

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

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

  469. 

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

  471. 

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

  473.         {

  474.             uint8_t channel = 0;

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

  476.             {

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

  478. 

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

  480.                 {

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

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

  483. 

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

  485.                     fCurMidiProgs[channel] = index;

  486. 

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

  488.                     {

  489.                         pData->midiprog.current = index;

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

  491.                     }

  492.                 }

  493. 

  494.                 ++channel;

  495.             }

  496.             CARLA_SAFE_ASSERT(channel == MAX_MIDI_CHANNELS);

  497.         }

  498. 

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

  500.     }

  501. 

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

  503.     {

  504.         CARLA_SAFE_ASSERT_RETURN(fSynth != nullptr,);

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

  506. 

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

  508.         {

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

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

  511. 

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

  513. 

  514.             try {

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

  516.             } catch(...) {}

  517. 

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

  519.         }

  520. 

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

  522.     }

  523. 

  524.     // -------------------------------------------------------------------

  525.     // Set ui stuff

  526. 

  527.     // nothing

  528. 

  529.     // -------------------------------------------------------------------

  530.     // Plugin state

  531. 

  532.     void reload() override

  533.     {

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

  535.         CARLA_SAFE_ASSERT_RETURN(fSynth != nullptr,);

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

  537. 

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

  539. 

  540.         // Safely disable plugin for reload

  541.         const ScopedDisabler sd(this);

  542. 

  543.         if (pData->active)

  544.             deactivate();

  545. 

  546.         clearBuffers();

  547. 

  548.         uint32_t aOuts, params;

  549.         aOuts  = kUse16Outs ? 32 : 2;

  550.         params = FluidSynthParametersMax;

  551. 

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

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

  554. 

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

  556.         CarlaString portName;

  557. 

  558.         // ---------------------------------------

  559.         // Audio Outputs

  560. 

  561.         if (kUse16Outs)

  562.         {

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

  564.             {

  565.                 portName.clear();

  566. 

  567.                 if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  568.                 {

  569.                     portName  = pData->name;

  570.                     portName += ":";

  571.                 }

  572. 

  573.                 portName += "out-";

  574. 

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

  576.                     portName += "0";

  577. 

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

  579. 

  580.                 if (i % 2 == 0)

  581.                     portName += "L";

  582.                 else

  583.                     portName += "R";

  584. 

  585.                 portName.truncate(portNameSize);

  586. 

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

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

  589.             }

  590. 

  591.             fAudio16Buffers = new float*[aOuts];

  592. 

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

  594.                 fAudio16Buffers[i] = nullptr;

  595.         }

  596.         else

  597.         {

  598.             // out-left

  599.             portName.clear();

  600. 

  601.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  602.             {

  603.                 portName  = pData->name;

  604.                 portName += ":";

  605.             }

  606. 

  607.             portName += "out-left";

  608.             portName.truncate(portNameSize);

  609. 

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

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

  612. 

  613.             // out-right

  614.             portName.clear();

  615. 

  616.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  617.             {

  618.                 portName  = pData->name;

  619.                 portName += ":";

  620.             }

  621. 

  622.             portName += "out-right";

  623.             portName.truncate(portNameSize);

  624. 

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

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

  627.         }

  628. 

  629.         // ---------------------------------------

  630.         // Event Input

  631. 

  632.         {

  633.             portName.clear();

  634. 

  635.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  636.             {

  637.                 portName  = pData->name;

  638.                 portName += ":";

  639.             }

  640. 

  641.             portName += "events-in";

  642.             portName.truncate(portNameSize);

  643. 

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

  645.         }

  646. 

  647.         // ---------------------------------------

  648.         // Event Output

  649. 

  650.         {

  651.             portName.clear();

  652. 

  653.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  654.             {

  655.                 portName  = pData->name;

  656.                 portName += ":";

  657.             }

  658. 

  659.             portName += "events-out";

  660.             portName.truncate(portNameSize);

  661. 

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

  663.         }

  664. 

  665.         // ---------------------------------------

  666.         // Parameters

  667. 

  668.         {

  669.             int j;

  670. 

  671.             // ----------------------

  672.             j = FluidSynthReverbOnOff;

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

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

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

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

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

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

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

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

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

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

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

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

  685. 

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

  687.             j = FluidSynthReverbRoomSize;

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

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

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

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

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

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

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

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

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

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

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

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

  700. 

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

  702.             j = FluidSynthReverbDamp;

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

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

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

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

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

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

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

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

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

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

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

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

  715. 

  716.             // ----------------------

  717.             j = FluidSynthReverbLevel;

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

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

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

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

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

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

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

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

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

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

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

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

  730. 

  731.             // ----------------------

  732.             j = FluidSynthReverbWidth;

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

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

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

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

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

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

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

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

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

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

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

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

  745. 

  746.             // ----------------------

  747.             j = FluidSynthChorusOnOff;

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

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

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

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

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

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

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

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

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

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

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

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

  760. 

  761.             // ----------------------

  762.             j = FluidSynthChorusNr;

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

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

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

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

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

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

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

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

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

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

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

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

  775. 

  776.             // ----------------------

  777.             j = FluidSynthChorusLevel;

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

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

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

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

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

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

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

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

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

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

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

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

  790. 

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

  792.             j = FluidSynthChorusSpeedHz;

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

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

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

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

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

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

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

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

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

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

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

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

  805. 

  806.             // ----------------------

  807.             j = FluidSynthChorusDepthMs;

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

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

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

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

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

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

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

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

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

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

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

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

  820. 

  821.             // ----------------------

  822.             j = FluidSynthChorusType;

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

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

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

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

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

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

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

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

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

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

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

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

  835. 

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

  837.             j = FluidSynthPolyphony;

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

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

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

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

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

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

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

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

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

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

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

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

  850. 

  851.             // ----------------------

  852.             j = FluidSynthInterpolation;

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

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

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

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

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

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

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

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

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

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

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

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

  865. 

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

  867.             j = FluidSynthVoiceCount;

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

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

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

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

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

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

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

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

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

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

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

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

  880. 

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

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

  883.         }

  884. 

  885.         // ---------------------------------------

  886. 

  887.         // plugin hints

  888.         pData->hints  = 0x0;

  889.         pData->hints |= PLUGIN_IS_SYNTH;

  890.         pData->hints |= PLUGIN_CAN_VOLUME;

  891. 

  892.         if (! kUse16Outs)

  893.             pData->hints |= PLUGIN_CAN_BALANCE;

  894. 

  895.         // extra plugin hints

  896.         pData->extraHints  = 0x0;

  897.         pData->extraHints |= PLUGIN_EXTRA_HINT_HAS_MIDI_IN;

  898.         pData->extraHints |= PLUGIN_EXTRA_HINT_USES_MULTI_PROGS;

  899. 

  900.         if (kUse16Outs)

  901.             pData->extraHints |= PLUGIN_EXTRA_HINT_CAN_RUN_RACK;

  902. 

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

  904.         reloadPrograms(true);

  905. 

  906.         if (pData->active)

  907.             activate();

  908. 

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

  910.     }

  911. 

  912.     void reloadPrograms(const bool doInit) override

  913.     {

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

  915. 

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

  917.         bool hasDrums = false;

  918.         uint32_t drumIndex, drumProg;

  919.         drumIndex = drumProg = 0;

  920. 

  921.         // Delete old programs

  922.         pData->midiprog.clear();

  923. 

  924.         // Query new programs

  925.         uint32_t count = 0;

  926. 

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

  928.         {

  929.             fluid_preset_t f_preset;

  930. 

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

  932.             f_sfont->iteration_start(f_sfont);

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

  934.                 ++count;

  935. 

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

  937.             CARLA_SAFE_ASSERT_RETURN(count > 0,);

  938. 

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

  940. 

  941.             // Update data

  942.             int tmp;

  943.             uint32_t i = 0;

  944.             f_sfont->iteration_start(f_sfont);

  945. 

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

  947.             {

  948.                 CARLA_SAFE_ASSERT_BREAK(i < count);

  949. 

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

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

  952. 

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

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

  955. 

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

  957. 

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

  959.                 {

  960.                     hasDrums  = true;

  961.                     drumIndex = i;

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

  963.                 }

  964. 

  965.                 ++i;

  966.             }

  967.         }

  968.         else

  969.         {

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

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

  972.             return;

  973.         }

  974. 

  975. #ifndef BUILD_BRIDGE

  976.         // Update OSC Names

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

  978.         {

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

  980. 

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

  982.                 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);

  983.         }

  984. #endif

  985. 

  986.         if (doInit)

  987.         {

  988.             fluid_synth_program_reset(fSynth);

  989. 

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

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

  992.             {

  993. #ifdef FLUIDSYNTH_VERSION_NEW_API

  994.                 fluid_synth_set_channel_type(fSynth, i, CHANNEL_TYPE_MELODIC);

  995. #endif

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

  997. 

  998.                 fCurMidiProgs[i] = 0;

  999.             }

  1000. 

  1001.             if (hasDrums)

  1002.             {

  1003. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1004.                 fluid_synth_set_channel_type(fSynth, 9, CHANNEL_TYPE_DRUM);

  1005. #endif

  1006.                 fluid_synth_program_select(fSynth, 9, fSynthId, 128, drumProg);

  1007. 

  1008.                 fCurMidiProgs[9] = static_cast<int32_t>(drumIndex);

  1009.             }

  1010.             else

  1011.             {

  1012. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1013.                 fluid_synth_set_channel_type(fSynth, 9, CHANNEL_TYPE_MELODIC);

  1014. #endif

  1015.                 fluid_synth_program_select(fSynth, 9, fSynthId, pData->midiprog.data[0].bank, pData->midiprog.data[0].program);

  1016. 

  1017.                 fCurMidiProgs[9] = 0;

  1018.             }

  1019. 

  1020.             pData->midiprog.current = 0;

  1021.         }

  1022.         else

  1023.         {

  1024.             pData->engine->callback(ENGINE_CALLBACK_RELOAD_PROGRAMS, pData->id, 0, 0, 0.0f, nullptr);

  1025.         }

  1026.     }

  1027. 

  1028.     // -------------------------------------------------------------------

  1029.     // Plugin processing

  1030. 

  1031.     void process(float** const, float** const outBuffer, const uint32_t frames) override

  1032.     {

  1033.         // --------------------------------------------------------------------------------------------------------

  1034.         // Check if active

  1035. 

  1036.         if (! pData->active)

  1037.         {

  1038.             // disable any output sound

  1039.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1040.                 FloatVectorOperations::clear(outBuffer[i], static_cast<int>(frames));

  1041.             return;

  1042.         }

  1043. 

  1044.         // --------------------------------------------------------------------------------------------------------

  1045.         // Check if needs reset

  1046. 

  1047.         if (pData->needsReset)

  1048.         {

  1049.             if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1050.             {

  1051.                 for (int i=0; i < MAX_MIDI_CHANNELS; ++i)

  1052.                 {

  1053. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1054.                     fluid_synth_all_notes_off(fSynth, i);

  1055.                     fluid_synth_all_sounds_off(fSynth, i);

  1056. #else

  1057.                     fluid_synth_cc(fSynth, i, MIDI_CONTROL_ALL_SOUND_OFF, 0);

  1058.                     fluid_synth_cc(fSynth, i, MIDI_CONTROL_ALL_NOTES_OFF, 0);

  1059. #endif

  1060.                 }

  1061.             }

  1062.             else if (pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1063.             {

  1064.                 for (int i=0; i < MAX_MIDI_NOTE; ++i)

  1065.                     fluid_synth_noteoff(fSynth, pData->ctrlChannel, i);

  1066.             }

  1067. 

  1068.             pData->needsReset = false;

  1069.         }

  1070. 

  1071.         // --------------------------------------------------------------------------------------------------------

  1072.         // Event Input and Processing

  1073. 

  1074.         {

  1075.             // ----------------------------------------------------------------------------------------------------

  1076.             // MIDI Input (External)

  1077. 

  1078.             if (pData->extNotes.mutex.tryLock())

  1079.             {

  1080.                 for (RtLinkedList<ExternalMidiNote>::Itenerator it = pData->extNotes.data.begin(); it.valid(); it.next())

  1081.                 {

  1082.                     const ExternalMidiNote& note(it.getValue());

  1083. 

  1084.                     CARLA_SAFE_ASSERT_CONTINUE(note.channel >= 0 && note.channel < MAX_MIDI_CHANNELS);

  1085. 

  1086.                     if (note.velo > 0)

  1087.                         fluid_synth_noteon(fSynth, note.channel, note.note, note.velo);

  1088.                     else

  1089.                         fluid_synth_noteoff(fSynth,note.channel, note.note);

  1090.                 }

  1091. 

  1092.                 pData->extNotes.data.clear();

  1093.                 pData->extNotes.mutex.unlock();

  1094. 

  1095.             } // End of MIDI Input (External)

  1096. 

  1097.             // ----------------------------------------------------------------------------------------------------

  1098.             // Event Input (System)

  1099. 

  1100.             bool allNotesOffSent = false;

  1101. 

  1102.             uint32_t time, nEvents = pData->event.portIn->getEventCount();

  1103.             uint32_t timeOffset = 0;

  1104. 

  1105.             uint32_t nextBankIds[MAX_MIDI_CHANNELS] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 0, 0, 0, 0, 0, 0 };

  1106. 

  1107.             if (pData->midiprog.current >= 0 && pData->midiprog.count > 0 && pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1108.                 nextBankIds[pData->ctrlChannel] = pData->midiprog.data[pData->midiprog.current].bank;

  1109. 

  1110.             for (uint32_t i=0; i < nEvents; ++i)

  1111.             {

  1112.                 const EngineEvent& event(pData->event.portIn->getEvent(i));

  1113. 

  1114.                 time = event.time;

  1115. 

  1116.                 CARLA_SAFE_ASSERT_CONTINUE(time < frames);

  1117.                 CARLA_SAFE_ASSERT_BREAK(time >= timeOffset);

  1118. 

  1119.                 if (time > timeOffset)

  1120.                 {

  1121.                     if (processSingle(outBuffer, time - timeOffset, timeOffset))

  1122.                     {

  1123.                         timeOffset = time;

  1124. 

  1125.                         if (pData->midiprog.current >= 0 && pData->midiprog.count > 0 && pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1126.                             nextBankIds[pData->ctrlChannel] = pData->midiprog.data[pData->midiprog.current].bank;

  1127.                     }

  1128.                 }

  1129. 

  1130.                 // Control change

  1131.                 switch (event.type)

  1132.                 {

  1133.                 case kEngineEventTypeNull:

  1134.                     break;

  1135. 

  1136.                 case kEngineEventTypeControl:

  1137.                 {

  1138.                     const EngineControlEvent& ctrlEvent = event.ctrl;

  1139. 

  1140.                     switch (ctrlEvent.type)

  1141.                     {

  1142.                     case kEngineControlEventTypeNull:

  1143.                         break;

  1144. 

  1145.                     case kEngineControlEventTypeParameter:

  1146.                     {

  1147. #ifndef BUILD_BRIDGE

  1148.                         // Control backend stuff

  1149.                         if (event.channel == pData->ctrlChannel)

  1150.                         {

  1151.                             float value;

  1152. 

  1153.                             if (MIDI_IS_CONTROL_BREATH_CONTROLLER(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_DRYWET) != 0)

  1154.                             {

  1155.                                 value = ctrlEvent.value;

  1156.                                 setDryWet(value, false, false);

  1157.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_DRYWET, 0, value);

  1158.                             }

  1159. 

  1160.                             if (MIDI_IS_CONTROL_CHANNEL_VOLUME(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_VOLUME) != 0)

  1161.                             {

  1162.                                 value = ctrlEvent.value*127.0f/100.0f;

  1163.                                 setVolume(value, false, false);

  1164.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_VOLUME, 0, value);

  1165.                             }

  1166. 

  1167.                             if (MIDI_IS_CONTROL_BALANCE(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_BALANCE) != 0)

  1168.                             {

  1169.                                 float left, right;

  1170.                                 value = ctrlEvent.value/0.5f - 1.0f;

  1171. 

  1172.                                 if (value < 0.0f)

  1173.                                 {

  1174.                                     left  = -1.0f;

  1175.                                     right = (value*2.0f)+1.0f;

  1176.                                 }

  1177.                                 else if (value > 0.0f)

  1178.                                 {

  1179.                                     left  = (value*2.0f)-1.0f;

  1180.                                     right = 1.0f;

  1181.                                 }

  1182.                                 else

  1183.                                 {

  1184.                                     left  = -1.0f;

  1185.                                     right = 1.0f;

  1186.                                 }

  1187. 

  1188.                                 setBalanceLeft(left, false, false);

  1189.                                 setBalanceRight(right, false, false);

  1190.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_LEFT, 0, left);

  1191.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_RIGHT, 0, right);

  1192.                             }

  1193.                         }

  1194. #endif

  1195. 

  1196.                         // Control plugin parameters

  1197.                         for (uint32_t k=0; k < pData->param.count; ++k)

  1198.                         {

  1199.                             if (pData->param.data[k].midiChannel != event.channel)

  1200.                                 continue;

  1201.                             if (pData->param.data[k].midiCC != ctrlEvent.param)

  1202.                                 continue;

  1203.                             if (pData->param.data[k].hints != PARAMETER_INPUT)

  1204.                                 continue;

  1205.                             if ((pData->param.data[k].hints & PARAMETER_IS_AUTOMABLE) == 0)

  1206.                                 continue;

  1207. 

  1208.                             float value;

  1209. 

  1210.                             if (pData->param.data[k].hints & PARAMETER_IS_BOOLEAN)

  1211.                             {

  1212.                                 value = (ctrlEvent.value < 0.5f) ? pData->param.ranges[k].min : pData->param.ranges[k].max;

  1213.                             }

  1214.                             else

  1215.                             {

  1216.                                 value = pData->param.ranges[k].getUnnormalizedValue(ctrlEvent.value);

  1217. 

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

  1219.                                     value = std::rint(value);

  1220.                             }

  1221. 

  1222.                             setParameterValue(k, value, false, false, false);

  1223.                             pData->postponeRtEvent(kPluginPostRtEventParameterChange, static_cast<int32_t>(k), 0, value);

  1224.                         }

  1225. 

  1226.                         if ((pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0 && ctrlEvent.param <= 0x5F)

  1227.                         {

  1228.                             fluid_synth_cc(fSynth, event.channel, ctrlEvent.param, int(ctrlEvent.value*127.0f));

  1229.                         }

  1230. 

  1231.                         break;

  1232.                     }

  1233. 

  1234.                     case kEngineControlEventTypeMidiBank:

  1235.                         if (event.channel < MAX_MIDI_CHANNELS && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1236.                             nextBankIds[event.channel] = ctrlEvent.param;

  1237.                         break;

  1238. 

  1239.                     case kEngineControlEventTypeMidiProgram:

  1240.                         if (event.channel < MAX_MIDI_CHANNELS && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1241.                         {

  1242.                             const uint32_t bankId(nextBankIds[event.channel]);

  1243.                             const uint32_t progId(ctrlEvent.param);

  1244. 

  1245.                             for (uint32_t k=0; k < pData->midiprog.count; ++k)

  1246.                             {

  1247.                                 if (pData->midiprog.data[k].bank == bankId && pData->midiprog.data[k].program == progId)

  1248.                                 {

  1249.                                     fluid_synth_program_select(fSynth, event.channel, fSynthId, bankId, progId);

  1250.                                     fCurMidiProgs[event.channel] = static_cast<int32_t>(k);

  1251. 

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

  1253.                                         pData->postponeRtEvent(kPluginPostRtEventMidiProgramChange, static_cast<int32_t>(k), 0, 0.0f);

  1254. 

  1255.                                     break;

  1256.                                 }

  1257.                             }

  1258.                         }

  1259.                         break;

  1260. 

  1261.                     case kEngineControlEventTypeAllSoundOff:

  1262.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1263.                         {

  1264. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1265.                             fluid_synth_all_sounds_off(fSynth, event.channel);

  1266. #else

  1267.                             fluid_synth_cc(fSynth, event.channel, MIDI_CONTROL_ALL_SOUND_OFF, 0);

  1268. #endif

  1269.                         }

  1270.                         break;

  1271. 

  1272.                     case kEngineControlEventTypeAllNotesOff:

  1273.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1274.                         {

  1275.                             if (event.channel == pData->ctrlChannel && ! allNotesOffSent)

  1276.                             {

  1277.                                 allNotesOffSent = true;

  1278.                                 sendMidiAllNotesOffToCallback();

  1279.                             }

  1280. 

  1281. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1282.                             fluid_synth_all_notes_off(fSynth, event.channel);

  1283. #else

  1284.                             fluid_synth_cc(fSynth, event.channel, MIDI_CONTROL_ALL_NOTES_OFF, 0);

  1285. #endif

  1286.                         }

  1287.                         break;

  1288.                     }

  1289. 

  1290.                     break;

  1291.                 }

  1292. 

  1293.                 case kEngineEventTypeMidi:

  1294.                 {

  1295.                     const EngineMidiEvent& midiEvent(event.midi);

  1296. 

  1297.                     uint8_t status  = uint8_t(MIDI_GET_STATUS_FROM_DATA(midiEvent.data));

  1298.                     uint8_t channel = event.channel;

  1299. 

  1300.                     // Fix bad note-off

  1301.                     if (MIDI_IS_STATUS_NOTE_ON(status) && midiEvent.data[2] == 0)

  1302.                         status = MIDI_STATUS_NOTE_OFF;

  1303. 

  1304.                     if (MIDI_IS_STATUS_NOTE_OFF(status))

  1305.                     {

  1306.                         const uint8_t note = midiEvent.data[1];

  1307. 

  1308.                         fluid_synth_noteoff(fSynth, channel, note);

  1309. 

  1310.                         pData->postponeRtEvent(kPluginPostRtEventNoteOff, channel, note, 0.0f);

  1311.                     }

  1312.                     else if (MIDI_IS_STATUS_NOTE_ON(status))

  1313.                     {

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

  1315.                         const uint8_t velo = midiEvent.data[2];

  1316. 

  1317.                         fluid_synth_noteon(fSynth, channel, note, velo);

  1318. 

  1319.                         pData->postponeRtEvent(kPluginPostRtEventNoteOn, channel, note, velo);

  1320.                     }

  1321.                     else if (MIDI_IS_STATUS_POLYPHONIC_AFTERTOUCH(status) && (pData->options & PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH) != 0)

  1322.                     {

  1323.                         //const uint8_t note     = midiEvent.data[1];

  1324.                         //const uint8_t pressure = midiEvent.data[2];

  1325. 

  1326.                         // TODO, not in fluidsynth API

  1327.                     }

  1328.                     else if (MIDI_IS_STATUS_CONTROL_CHANGE(status) && (pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0)

  1329.                     {

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

  1331.                         const uint8_t value   = midiEvent.data[2];

  1332. 

  1333.                         fluid_synth_cc(fSynth, channel, control, value);

  1334.                     }

  1335.                     else if (MIDI_IS_STATUS_CHANNEL_PRESSURE(status) && (pData->options & PLUGIN_OPTION_SEND_CHANNEL_PRESSURE) != 0)

  1336.                     {

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

  1338. 

  1339.                         fluid_synth_channel_pressure(fSynth, channel, pressure);;

  1340.                     }

  1341.                     else if (MIDI_IS_STATUS_PITCH_WHEEL_CONTROL(status) && (pData->options & PLUGIN_OPTION_SEND_PITCHBEND) != 0)

  1342.                     {

  1343.                         const uint8_t lsb = midiEvent.data[1];

  1344.                         const uint8_t msb = midiEvent.data[2];

  1345.                         const int   value = ((msb << 7) | lsb);

  1346. 

  1347.                         fluid_synth_pitch_bend(fSynth, channel, value);

  1348.                     }

  1349. 

  1350.                     break;

  1351.                 }

  1352.                 }

  1353.             }

  1354. 

  1355.             pData->postRtEvents.trySplice();

  1356. 

  1357.             if (frames > timeOffset)

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

  1359. 

  1360.         } // End of Event Input and Processing

  1361. 

  1362.         // --------------------------------------------------------------------------------------------------------

  1363.         // Control Output

  1364. 

  1365.         {

  1366.             uint32_t k = FluidSynthVoiceCount;

  1367.             fParamBuffers[k] = float(fluid_synth_get_active_voice_count(fSynth));

  1368.             pData->param.ranges[k].fixValue(fParamBuffers[k]);

  1369. 

  1370.             if (pData->param.data[k].midiCC > 0)

  1371.             {

  1372.                 float value(pData->param.ranges[k].getNormalizedValue(fParamBuffers[k]));

  1373.                 pData->event.portOut->writeControlEvent(0, pData->param.data[k].midiChannel, kEngineControlEventTypeParameter, static_cast<uint16_t>(pData->param.data[k].midiCC), value);

  1374.             }

  1375. 

  1376.         } // End of Control Output

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

  1409. 

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

  1411.             fluid_synth_process(fSynth, static_cast<int>(frames), 0, nullptr, static_cast<int>(pData->audioOut.count), fAudio16Buffers);

  1412.         }

  1413.         else

  1414.             fluid_synth_write_float(fSynth, static_cast<int>(frames), outBuffer[0] + timeOffset, 0, 1, outBuffer[1] + timeOffset, 0, 1);

  1415. 

  1416. #ifndef BUILD_BRIDGE

  1417.         // --------------------------------------------------------------------------------------------------------

  1418.         // Post-processing (volume and balance)

  1419. 

  1420.         {

  1421.             // note - balance not possible with kUse16Outs, so we can safely skip fAudioOutBuffers

  1422.             const bool doVolume  = (pData->hints & PLUGIN_CAN_VOLUME) > 0 && pData->postProc.volume != 1.0f;

  1423.             const bool doBalance = (pData->hints & PLUGIN_CAN_BALANCE) > 0 && (pData->postProc.balanceLeft != -1.0f || pData->postProc.balanceRight != 1.0f);

  1424. 

  1425.             float oldBufLeft[doBalance ? frames : 1];

  1426. 

  1427.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1428.             {

  1429.                 // Balance

  1430.                 if (doBalance)

  1431.                 {

  1432.                     if (i % 2 == 0)

  1433.                         FloatVectorOperations::copy(oldBufLeft, outBuffer[i]+timeOffset, static_cast<int>(frames));

  1434. 

  1435.                     float balRangeL = (pData->postProc.balanceLeft  + 1.0f)/2.0f;

  1436.                     float balRangeR = (pData->postProc.balanceRight + 1.0f)/2.0f;

  1437. 

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

  1439.                     {

  1440.                         if (i % 2 == 0)

  1441.                         {

  1442.                             // left

  1443.                             outBuffer[i][k+timeOffset]  = oldBufLeft[k]                * (1.0f - balRangeL);

  1444.                             outBuffer[i][k+timeOffset] += outBuffer[i+1][k+timeOffset] * (1.0f - balRangeR);

  1445.                         }

  1446.                         else

  1447.                         {

  1448.                             // right

  1449.                             outBuffer[i][k+timeOffset]  = outBuffer[i][k+timeOffset] * balRangeR;

  1450.                             outBuffer[i][k+timeOffset] += oldBufLeft[k]              * balRangeL;

  1451.                         }

  1452.                     }

  1453.                 }

  1454. 

  1455.                 // Volume

  1456.                 if (kUse16Outs)

  1457.                 {

  1458.                     for (uint32_t k=0; k < frames; ++k)

  1459.                         outBuffer[i][k+timeOffset] = fAudio16Buffers[i][k] * pData->postProc.volume;

  1460.                 }

  1461.                 else if (doVolume)

  1462.                 {

  1463.                     for (uint32_t k=0; k < frames; ++k)

  1464.                         outBuffer[i][k+timeOffset] *= pData->postProc.volume;

  1465.                 }

  1466.             }

  1467. 

  1468.         } // End of Post-processing

  1469. #else

  1470.         if (kUse16Outs)

  1471.         {

  1472.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1473.             {

  1474.                 for (uint32_t k=0; k < frames; ++k)

  1475.                     outBuffer[i][k+timeOffset] = fAudio16Buffers[i][k];

  1476.             }

  1477.         }

  1478. #endif

  1479. 

  1480.         // --------------------------------------------------------------------------------------------------------

  1481. 

  1482.         pData->singleMutex.unlock();

  1483.         return true;

  1484.     }

  1485. 

  1486.     void bufferSizeChanged(const uint32_t newBufferSize) override

  1487.     {

  1488.         if (! kUse16Outs)

  1489.             return;

  1490. 

  1491.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1492.         {

  1493.             if (fAudio16Buffers[i] != nullptr)

  1494.                 delete[] fAudio16Buffers[i];

  1495.             fAudio16Buffers[i] = new float[newBufferSize];

  1496.         }

  1497.     }

  1498. 

  1499.     void sampleRateChanged(const double newSampleRate) override

  1500.     {

  1501.         CARLA_SAFE_ASSERT_RETURN(fSettings != nullptr,);

  1502. 

  1503.         fluid_settings_setnum(fSettings, "synth.sample-rate", newSampleRate);

  1504. 

  1505. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1506.         CARLA_SAFE_ASSERT_RETURN(fSynth != nullptr,);

  1507. 

  1508.         fluid_synth_set_sample_rate(fSynth, float(newSampleRate));

  1509. #endif

  1510.     }

  1511. 

  1512.     // -------------------------------------------------------------------

  1513.     // Plugin buffers

  1514. 

  1515.     void clearBuffers() noexcept override

  1516.     {

  1517.         carla_debug("FluidSynthPlugin::clearBuffers() - start");

  1518. 

  1519.         if (fAudio16Buffers != nullptr)

  1520.         {

  1521.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1522.             {

  1523.                 if (fAudio16Buffers[i] != nullptr)

  1524.                 {

  1525.                     delete[] fAudio16Buffers[i];

  1526.                     fAudio16Buffers[i] = nullptr;

  1527.                 }

  1528.             }

  1529. 

  1530.             delete[] fAudio16Buffers;

  1531.             fAudio16Buffers = nullptr;

  1532.         }

  1533. 

  1534.         CarlaPlugin::clearBuffers();

  1535. 

  1536.         carla_debug("FluidSynthPlugin::clearBuffers() - end");

  1537.     }

  1538. 

  1539.     // -------------------------------------------------------------------

  1540. 

  1541.     const void* getExtraStuff() const noexcept override

  1542.     {

  1543.         static const char xtrue[]  = "true";

  1544.         static const char xfalse[] = "false";

  1545.         return kUse16Outs ? xtrue : xfalse;

  1546.     }

  1547. 

  1548.     // -------------------------------------------------------------------

  1549. 

  1550.     bool init(const char* const filename, const char* const name, const char* const label)

  1551.     {

  1552.         CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr, false);

  1553. 

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

  1555.         // first checks

  1556. 

  1557.         if (pData->client != nullptr)

  1558.         {

  1559.             pData->engine->setLastError("Plugin client is already registered");

  1560.             return false;

  1561.         }

  1562. 

  1563.         if (fSynth == nullptr)

  1564.         {

  1565.             pData->engine->setLastError("null synth");

  1566.             return false;

  1567.         }

  1568. 

  1569.         if (filename == nullptr || filename[0] == '\0')

  1570.         {

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

  1572.             return false;

  1573.         }

  1574. 

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

  1576.         {

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

  1578.             return false;

  1579.         }

  1580. 

  1581.         // ---------------------------------------------------------------

  1582.         // open soundfont

  1583. 

  1584.         const int synthId(fluid_synth_sfload(fSynth, filename, 0));

  1585. 

  1586.         if (synthId < 0)

  1587.         {

  1588.             pData->engine->setLastError("Failed to load SoundFont file");

  1589.             return false;

  1590.         }

  1591. 

  1592.         fSynthId = static_cast<uint>(synthId);

  1593. 

  1594.         // ---------------------------------------------------------------

  1595.         // get info

  1596. 

  1597.         CarlaString label2(label);

  1598. 

  1599.         if (kUse16Outs && ! label2.endsWith(" (16 outs)"))

  1600.             label2 += " (16 outs)";

  1601. 

  1602.         fLabel          = label2.dup();

  1603.         pData->filename = carla_strdup(filename);

  1604. 

  1605.         if (name != nullptr && name[0] != '\0')

  1606.             pData->name = pData->engine->getUniquePluginName(name);

  1607.         else

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

  1609. 

  1610.         // ---------------------------------------------------------------

  1611.         // register client

  1612. 

  1613.         pData->client = pData->engine->addClient(this);

  1614. 

  1615.         if (pData->client == nullptr || ! pData->client->isOk())

  1616.         {

  1617.             pData->engine->setLastError("Failed to register plugin client");

  1618.             return false;

  1619.         }

  1620. 

  1621.         // ---------------------------------------------------------------

  1622.         // set default options

  1623. 

  1624.         pData->options  = 0x0;

  1625.         pData->options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  1626.         pData->options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  1627.         pData->options |= PLUGIN_OPTION_SEND_PITCHBEND;

  1628.         pData->options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  1629. 

  1630.         return true;

  1631.     }

  1632. 

  1633. private:

  1634.     enum FluidSynthInputParameters {

  1635.         FluidSynthReverbOnOff    = 0,

  1636.         FluidSynthReverbRoomSize = 1,

  1637.         FluidSynthReverbDamp     = 2,

  1638.         FluidSynthReverbLevel    = 3,

  1639.         FluidSynthReverbWidth    = 4,

  1640.         FluidSynthChorusOnOff    = 5,

  1641.         FluidSynthChorusNr       = 6,

  1642.         FluidSynthChorusLevel    = 7,

  1643.         FluidSynthChorusSpeedHz  = 8,

  1644.         FluidSynthChorusDepthMs  = 9,

  1645.         FluidSynthChorusType     = 10,

  1646.         FluidSynthPolyphony      = 11,

  1647.         FluidSynthInterpolation  = 12,

  1648.         FluidSynthVoiceCount     = 13,

  1649.         FluidSynthParametersMax  = 14

  1650.     };

  1651. 

  1652.     const bool kUse16Outs;

  1653. 

  1654.     fluid_settings_t* fSettings;

  1655.     fluid_synth_t*    fSynth;

  1656.     uint              fSynthId;

  1657. 

  1658.     float** fAudio16Buffers;

  1659.     float   fParamBuffers[FluidSynthParametersMax];

  1660. 

  1661.     int32_t fCurMidiProgs[MAX_MIDI_CHANNELS];

  1662. 

  1663.     const char* fLabel;

  1664. 

  1665.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(FluidSynthPlugin)

  1666. };

  1667. 

  1668. CARLA_BACKEND_END_NAMESPACE

  1669. 

  1670. #endif // HAVE_FLUIDSYNTH

  1671. 

  1672. CARLA_BACKEND_START_NAMESPACE

  1673. 

  1674. // -------------------------------------------------------------------------------------------------------------------

  1675. 

  1676. CarlaPlugin* CarlaPlugin::newFluidSynth(const Initializer& init, const bool use16Outs)

  1677. {

  1678.     carla_debug("CarlaPlugin::newFluidSynth({%p, \"%s\", \"%s\", \"%s\", " P_INT64 "}, %s)", init.engine, init.filename, init.name, init.label, init.uniqueId, bool2str(use16Outs));

  1679. 

  1680. #ifdef HAVE_FLUIDSYNTH

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

  1682.     {

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

  1684.         return nullptr;

  1685.     }

  1686. 

  1687.     if (! fluid_is_soundfont(init.filename))

  1688.     {

  1689.         init.engine->setLastError("Requested file is not a valid SoundFont");

  1690.         return nullptr;

  1691.     }

  1692. 

  1693.     FluidSynthPlugin* const plugin(new FluidSynthPlugin(init.engine, init.id,  use16Outs));

  1694. 

  1695.     if (! plugin->init(init.filename, init.name, init.label))

  1696.     {

  1697.         delete plugin;

  1698.         return nullptr;

  1699.     }

  1700. 

  1701.     plugin->reload();

  1702. 

  1703.     return plugin;

  1704. #else

  1705.     init.engine->setLastError("fluidsynth support not available");

  1706.     return nullptr;

  1707. 

  1708.     // unused

  1709.     (void)use16Outs;

  1710. #endif

  1711. }

  1712. 

  1713. CarlaPlugin* CarlaPlugin::newFileSF2(const Initializer& init, const bool use16Outs)

  1714. {

  1715.     carla_debug("CarlaPlugin::newFileSF2({%p, \"%s\", \"%s\", \"%s\"}, %s)", init.engine, init.filename, init.name, init.label, bool2str(use16Outs));

  1716. #ifdef HAVE_FLUIDSYNTH

  1717.     return newFluidSynth(init, use16Outs);

  1718. #else

  1719.     init.engine->setLastError("SF2 support not available");

  1720.     return nullptr;

  1721. 

  1722.     // unused

  1723.     (void)use16Outs;

  1724. #endif

  1725. }

  1726. 

  1727. // -------------------------------------------------------------------------------------------------------------------

  1728. 

  1729. CARLA_BACKEND_END_NAMESPACE