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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 WANT_FLUIDSYNTH

  22. 

  23. #include "CarlaMathUtils.hpp"

  24. 

  25. #include <fluidsynth.h>

  26. 

  27. #include <QtCore/QStringList>

  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. CARLA_BACKEND_START_NAMESPACE

  34. 

  35. #if 0

  36. }

  37. #endif

  38. 

  39. #define FLUID_DEFAULT_POLYPHONY 64

  40. 

  41. class FluidSynthPlugin : public CarlaPlugin

  42. {

  43. public:

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

  45.         : CarlaPlugin(engine, id),

  46.           fUses16Outs(use16Outs),

  47.           fSettings(nullptr),

  48.           fSynth(nullptr),

  49.           fSynthId(0),

  50.           fAudio16Buffers(nullptr),

  51.           fLabel(nullptr)

  52.     {

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

  54. 

  55.         FLOAT_CLEAR(fParamBuffers, FluidSynthParametersMax);

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

  57. 

  58.         // create settings

  59.         fSettings = new_fluid_settings();

  60.         CARLA_SAFE_ASSERT_RETURN(fSettings != nullptr,);

  61. 

  62.         // define settings

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

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

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

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

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

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

  69. 

  70.         // create synth

  71.         fSynth = new_fluid_synth(fSettings);

  72.         CARLA_SAFE_ASSERT_RETURN(fSynth != nullptr,);

  73. 

  74. #ifdef FLUIDSYNTH_VERSION_NEW_API

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

  76. #endif

  77. 

  78.         // set default values

  79.         fluid_synth_set_reverb_on(fSynth, 1);

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

  81. 

  82.         fluid_synth_set_chorus_on(fSynth, 1);

  83.         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);

  84. 

  85.         fluid_synth_set_polyphony(fSynth, FLUID_DEFAULT_POLYPHONY);

  86.         fluid_synth_set_gain(fSynth, 1.0f);

  87. 

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

  89.             fluid_synth_set_interp_method(fSynth, i, FLUID_INTERP_DEFAULT);

  90.     }

  91. 

  92.     ~FluidSynthPlugin() override

  93.     {

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

  95. 

  96.         pData->singleMutex.lock();

  97.         pData->masterMutex.lock();

  98. 

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

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

  101. 

  102.         if (pData->active)

  103.         {

  104.             deactivate();

  105.             pData->active = false;

  106.         }

  107. 

  108.         if (fSynth != nullptr)

  109.         {

  110.             delete_fluid_synth(fSynth);

  111.             fSynth = nullptr;

  112.         }

  113. 

  114.         if (fSettings != nullptr)

  115.         {

  116.             delete_fluid_settings(fSettings);

  117.             fSettings = nullptr;

  118.         }

  119. 

  120.         if (fLabel != nullptr)

  121.         {

  122.             delete[] fLabel;

  123.             fLabel = nullptr;

  124.         }

  125. 

  126.         clearBuffers();

  127.     }

  128. 

  129.     // -------------------------------------------------------------------

  130.     // Information (base)

  131. 

  132.     PluginType getType() const noexcept override

  133.     {

  134.         return PLUGIN_FILE_SF2;

  135.     }

  136. 

  137.     PluginCategory getCategory() const noexcept override

  138.     {

  139.         return PLUGIN_CATEGORY_SYNTH;

  140.     }

  141. 

  142.     // -------------------------------------------------------------------

  143.     // Information (count)

  144. 

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

  146.     {

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

  148. 

  149.         switch (parameterId)

  150.         {

  151.         case FluidSynthChorusType:

  152.             return 2;

  153.         case FluidSynthInterpolation:

  154.             return 4;

  155.         default:

  156.             return 0;

  157.         }

  158.     }

  159. 

  160.     // -------------------------------------------------------------------

  161.     // Information (current data)

  162. 

  163.     // nothing

  164. 

  165.     // -------------------------------------------------------------------

  166.     // Information (per-plugin data)

  167. 

  168.     uint getOptionsAvailable() const noexcept override

  169.     {

  170.         uint options = 0x0;

  171. 

  172.         options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  173.         options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  174.         options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  175.         options |= PLUGIN_OPTION_SEND_PITCHBEND;

  176.         options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  177. 

  178.         return options;

  179.     }

  180. 

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

  182.     {

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

  184. 

  185.         return fParamBuffers[parameterId];

  186.     }

  187. 

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

  189.     {

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

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

  192. 

  193.         switch (parameterId)

  194.         {

  195.         case FluidSynthChorusType:

  196.             switch (scalePointId)

  197.             {

  198.             case 0:

  199.                 return FLUID_CHORUS_MOD_SINE;

  200.             case 1:

  201.                 return FLUID_CHORUS_MOD_TRIANGLE;

  202.             default:

  203.                 return FLUID_CHORUS_DEFAULT_TYPE;

  204.             }

  205.         case FluidSynthInterpolation:

  206.             switch (scalePointId)

  207.             {

  208.             case 0:

  209.                 return FLUID_INTERP_NONE;

  210.             case 1:

  211.                 return FLUID_INTERP_LINEAR;

  212.             case 2:

  213.                 return FLUID_INTERP_4THORDER;

  214.             case 3:

  215.                 return FLUID_INTERP_7THORDER;

  216.             default:

  217.                 return FLUID_INTERP_DEFAULT;

  218.             }

  219.         default:

  220.             return 0.0f;

  221.         }

  222.     }

  223. 

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

  225.     {

  226.         if (fLabel != nullptr)

  227.         {

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

  229.             return;

  230.         }

  231. 

  232.         CarlaPlugin::getLabel(strBuf);

  233.     }

  234. 

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

  236.     {

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

  238.     }

  239. 

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

  241.     {

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

  243.     }

  244. 

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

  246.     {

  247.         getLabel(strBuf);

  248.     }

  249. 

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

  251.     {

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

  253. 

  254.         switch (parameterId)

  255.         {

  256.         case FluidSynthReverbOnOff:

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

  258.             return;

  259.         case FluidSynthReverbRoomSize:

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

  261.             return;

  262.         case FluidSynthReverbDamp:

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

  264.             return;

  265.         case FluidSynthReverbLevel:

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

  267.             return;

  268.         case FluidSynthReverbWidth:

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

  270.             return;

  271.         case FluidSynthChorusOnOff:

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

  273.             return;

  274.         case FluidSynthChorusNr:

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

  276.             return;

  277.         case FluidSynthChorusLevel:

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

  279.             return;

  280.         case FluidSynthChorusSpeedHz:

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

  282.             return;

  283.         case FluidSynthChorusDepthMs:

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

  285.             return;

  286.         case FluidSynthChorusType:

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

  288.             return;

  289.         case FluidSynthPolyphony:

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

  291.             return;

  292.         case FluidSynthInterpolation:

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

  294.             return;

  295.         case FluidSynthVoiceCount:

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

  297.             return;

  298.         }

  299. 

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

  301.     }

  302. 

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

  304.     {

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

  306. 

  307.         switch (parameterId)

  308.         {

  309.         case FluidSynthChorusSpeedHz:

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

  311.             return;

  312.         case FluidSynthChorusDepthMs:

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

  314.             return;

  315.         }

  316. 

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

  318.     }

  319. 

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

  321.     {

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

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

  324. 

  325.         switch (parameterId)

  326.         {

  327.         case FluidSynthChorusType:

  328.             switch (scalePointId)

  329.             {

  330.             case 0:

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

  332.                 return;

  333.             case 1:

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

  335.                 return;

  336.             }

  337.         case FluidSynthInterpolation:

  338.             switch (scalePointId)

  339.             {

  340.             case 0:

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

  342.                 return;

  343.             case 1:

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

  345.                 return;

  346.             case 2:

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

  348.                 return;

  349.             case 3:

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

  351.                 return;

  352.             }

  353.         }

  354. 

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

  356.     }

  357. 

  358.     // -------------------------------------------------------------------

  359.     // Set data (state)

  360. 

  361.     void prepareForSave() override

  362.     {

  363.         char strBuf[STR_MAX+1];

  364.         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],

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

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

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

  368. 

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

  370.     }

  371. 

  372.     // -------------------------------------------------------------------

  373.     // Set data (internal stuff)

  374. 

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

  376.     {

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

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

  379. 

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

  381.     }

  382. 

  383.     // -------------------------------------------------------------------

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

  385. 

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

  387.     {

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

  389. 

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

  391.         fParamBuffers[parameterId] = fixedValue;

  392. 

  393.         {

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

  395. 

  396.             switch (parameterId)

  397.             {

  398.             case FluidSynthReverbOnOff:

  399.                 try {

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

  401.                 } catch(...) {}

  402.                 break;

  403. 

  404.             case FluidSynthReverbRoomSize:

  405.             case FluidSynthReverbDamp:

  406.             case FluidSynthReverbLevel:

  407.             case FluidSynthReverbWidth:

  408.                 try {

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

  410.                 } catch(...) {}

  411.                 break;

  412. 

  413.             case FluidSynthChorusOnOff:

  414.                 try {

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

  416.                 } catch(...) {}

  417.                 break;

  418. 

  419.             case FluidSynthChorusNr:

  420.             case FluidSynthChorusLevel:

  421.             case FluidSynthChorusSpeedHz:

  422.             case FluidSynthChorusDepthMs:

  423.             case FluidSynthChorusType:

  424.                 try {

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

  426.                 } catch(...) {}

  427.                 break;

  428. 

  429.             case FluidSynthPolyphony:

  430.                 try {

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

  432.                 } catch(...) {}

  433.                 break;

  434. 

  435.             case FluidSynthInterpolation:

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

  437.                 {

  438.                     try {

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

  440.                     }

  441.                     catch(...) {

  442.                         break;

  443.                     }

  444.                 }

  445.                 break;

  446. 

  447.             default:

  448.                 break;

  449.             }

  450.         }

  451. 

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

  453.     }

  454. 

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

  456.     {

  457.         CARLA_SAFE_ASSERT_RETURN(fSynth != nullptr,);

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

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

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

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

  462. 

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

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

  465. 

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

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

  468. 

  469.         if (fUses16Outs)

  470.         {

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

  472. 

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

  474.             {

  475.                 int i = 0;

  476.                 foreach (const QString& midiProg, midiProgramList)

  477.                 {

  478.                     CARLA_SAFE_ASSERT_BREAK(i < MAX_MIDI_CHANNELS);

  479. 

  480.                     bool ok;

  481.                     int index = midiProg.toInt(&ok);

  482. 

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

  484.                     {

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

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

  487. 

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

  489.                         fCurMidiProgs[i] = index;

  490. 

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

  492.                         {

  493.                             pData->midiprog.current = index;

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

  495.                         }

  496.                     }

  497. 

  498.                     ++i;

  499.                 }

  500. 

  501.                 CARLA_SAFE_ASSERT(i == MAX_MIDI_CHANNELS);

  502.             }

  503.         }

  504. 

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

  506.     }

  507. 

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

  509.     {

  510.         CARLA_SAFE_ASSERT_RETURN(fSynth != nullptr,);

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

  512. 

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

  514.         {

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

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

  517. 

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

  519. 

  520.             try {

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

  522.             } catch(...) {}

  523. 

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

  525.         }

  526. 

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

  528.     }

  529. 

  530.     // -------------------------------------------------------------------

  531.     // Set ui stuff

  532. 

  533.     // nothing

  534. 

  535.     // -------------------------------------------------------------------

  536.     // Plugin state

  537. 

  538.     void reload() override

  539.     {

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

  541.         CARLA_SAFE_ASSERT_RETURN(fSynth != nullptr,);

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

  543. 

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

  545. 

  546.         // Safely disable plugin for reload

  547.         const ScopedDisabler sd(this);

  548. 

  549.         if (pData->active)

  550.             deactivate();

  551. 

  552.         clearBuffers();

  553. 

  554.         uint32_t aOuts, params;

  555.         aOuts  = fUses16Outs ? 32 : 2;

  556.         params = FluidSynthParametersMax;

  557. 

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

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

  560. 

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

  562.         CarlaString portName;

  563. 

  564.         // ---------------------------------------

  565.         // Audio Outputs

  566. 

  567.         if (fUses16Outs)

  568.         {

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

  570.             {

  571.                 portName.clear();

  572. 

  573.                 if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  574.                 {

  575.                     portName  = pData->name;

  576.                     portName += ":";

  577.                 }

  578. 

  579.                 portName += "out-";

  580. 

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

  582.                     portName += "0";

  583. 

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

  585. 

  586.                 if (i % 2 == 0)

  587.                     portName += "L";

  588.                 else

  589.                     portName += "R";

  590. 

  591.                 portName.truncate(portNameSize);

  592. 

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

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

  595.             }

  596. 

  597.             fAudio16Buffers = new float*[aOuts];

  598. 

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

  600.                 fAudio16Buffers[i] = nullptr;

  601.         }

  602.         else

  603.         {

  604.             // out-left

  605.             portName.clear();

  606. 

  607.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  608.             {

  609.                 portName  = pData->name;

  610.                 portName += ":";

  611.             }

  612. 

  613.             portName += "out-left";

  614.             portName.truncate(portNameSize);

  615. 

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

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

  618. 

  619.             // out-right

  620.             portName.clear();

  621. 

  622.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  623.             {

  624.                 portName  = pData->name;

  625.                 portName += ":";

  626.             }

  627. 

  628.             portName += "out-right";

  629.             portName.truncate(portNameSize);

  630. 

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

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

  633.         }

  634. 

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

  636.         // Event Input

  637. 

  638.         {

  639.             portName.clear();

  640. 

  641.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  642.             {

  643.                 portName  = pData->name;

  644.                 portName += ":";

  645.             }

  646. 

  647.             portName += "events-in";

  648.             portName.truncate(portNameSize);

  649. 

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

  651.         }

  652. 

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

  654.         // Event Output

  655. 

  656.         {

  657.             portName.clear();

  658. 

  659.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  660.             {

  661.                 portName  = pData->name;

  662.                 portName += ":";

  663.             }

  664. 

  665.             portName += "events-out";

  666.             portName.truncate(portNameSize);

  667. 

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

  669.         }

  670. 

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

  672.         // Parameters

  673. 

  674.         {

  675.             int j;

  676. 

  677.             // ----------------------

  678.             j = FluidSynthReverbOnOff;

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

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

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

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

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

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

  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.data[j].midiCC = -1;

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

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

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

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

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

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

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

  706. 

  707.             // ----------------------

  708.             j = FluidSynthReverbDamp;

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

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

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

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

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

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

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

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

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

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

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

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

  721. 

  722.             // ----------------------

  723.             j = FluidSynthReverbLevel;

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

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

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

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

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

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

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

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

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

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

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

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

  736. 

  737.             // ----------------------

  738.             j = FluidSynthReverbWidth;

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

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

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

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

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

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

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

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

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

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

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

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

  751. 

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

  753.             j = FluidSynthChorusOnOff;

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

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

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

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

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

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

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

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

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

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

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

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

  766. 

  767.             // ----------------------

  768.             j = FluidSynthChorusNr;

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

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

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

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

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

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

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

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

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

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

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

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

  781. 

  782.             // ----------------------

  783.             j = FluidSynthChorusLevel;

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

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

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

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

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

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

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

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

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

  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 = FluidSynthChorusSpeedHz;

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

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

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

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

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

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

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

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

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

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

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

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

  811. 

  812.             // ----------------------

  813.             j = FluidSynthChorusDepthMs;

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

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

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

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

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

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

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

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

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

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

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

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

  826. 

  827.             // ----------------------

  828.             j = FluidSynthChorusType;

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

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

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

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

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

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

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

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

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

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

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

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

  841. 

  842.             // ----------------------

  843.             j = FluidSynthPolyphony;

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

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

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

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

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

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

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

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

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

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

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

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

  856. 

  857.             // ----------------------

  858.             j = FluidSynthInterpolation;

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

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

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

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

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

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

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

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

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

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

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

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

  871. 

  872.             // ----------------------

  873.             j = FluidSynthVoiceCount;

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

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

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

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

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

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

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

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

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

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

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

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

  886. 

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

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

  889.         }

  890. 

  891.         // ---------------------------------------

  892. 

  893.         // plugin hints

  894.         pData->hints  = 0x0;

  895.         pData->hints |= PLUGIN_IS_SYNTH;

  896.         pData->hints |= PLUGIN_CAN_VOLUME;

  897. 

  898.         if (! fUses16Outs)

  899.             pData->hints |= PLUGIN_CAN_BALANCE;

  900. 

  901.         // extra plugin hints

  902.         pData->extraHints  = 0x0;

  903.         pData->extraHints |= PLUGIN_EXTRA_HINT_HAS_MIDI_IN;

  904. 

  905.         if (fUses16Outs)

  906.             pData->extraHints |= PLUGIN_EXTRA_HINT_USES_MULTI_PROGS;

  907.         else

  908.             pData->extraHints |= PLUGIN_EXTRA_HINT_CAN_RUN_RACK;

  909. 

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

  911.         reloadPrograms(true);

  912. 

  913.         if (pData->active)

  914.             activate();

  915. 

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

  917.     }

  918. 

  919.     void reloadPrograms(const bool doInit) override

  920.     {

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

  922. 

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

  924.         bool hasDrums = false;

  925.         uint32_t drumIndex, drumProg;

  926.         drumIndex = drumProg = 0;

  927. 

  928.         // Delete old programs

  929.         pData->midiprog.clear();

  930. 

  931.         // Query new programs

  932.         uint32_t count = 0;

  933. 

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

  935.         {

  936.             fluid_preset_t f_preset;

  937. 

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

  939.             f_sfont->iteration_start(f_sfont);

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

  941.                 ++count;

  942. 

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

  944.             CARLA_SAFE_ASSERT_RETURN(count > 0,);

  945. 

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

  947. 

  948.             // Update data

  949.             int tmp;

  950.             uint32_t i = 0;

  951.             f_sfont->iteration_start(f_sfont);

  952. 

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

  954.             {

  955.                 CARLA_SAFE_ASSERT_BREAK(i < count);

  956. 

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

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

  959. 

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

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

  962. 

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

  964. 

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

  966.                 {

  967.                     hasDrums  = true;

  968.                     drumIndex = i;

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

  970.                 }

  971. 

  972.                 ++i;

  973.             }

  974.         }

  975.         else

  976.         {

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

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

  979.             return;

  980.         }

  981. 

  982. #ifndef BUILD_BRIDGE

  983.         // Update OSC Names

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

  985.         {

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

  987. 

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

  989.                 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);

  990.         }

  991. #endif

  992. 

  993.         if (doInit)

  994.         {

  995.             fluid_synth_program_reset(fSynth);

  996. 

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

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

  999.             {

  1000. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1001.                 fluid_synth_set_channel_type(fSynth, i, CHANNEL_TYPE_MELODIC);

  1002. #endif

  1003.                 fluid_synth_program_select(fSynth, i, fSynthId, pData->midiprog.data[0].bank, pData->midiprog.data[0].program);

  1004. 

  1005.                 fCurMidiProgs[i] = 0;

  1006.             }

  1007. 

  1008.             if (hasDrums)

  1009.             {

  1010. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1011.                 fluid_synth_set_channel_type(fSynth, 9, CHANNEL_TYPE_DRUM);

  1012. #endif

  1013.                 fluid_synth_program_select(fSynth, 9, fSynthId, 128, drumProg);

  1014. 

  1015.                 fCurMidiProgs[9] = static_cast<int32_t>(drumIndex);

  1016.             }

  1017.             else

  1018.             {

  1019. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1020.                 fluid_synth_set_channel_type(fSynth, 9, CHANNEL_TYPE_MELODIC);

  1021. #endif

  1022.                 fluid_synth_program_select(fSynth, 9, fSynthId, pData->midiprog.data[0].bank, pData->midiprog.data[0].program);

  1023. 

  1024.                 fCurMidiProgs[9] = 0;

  1025.             }

  1026. 

  1027.             pData->midiprog.current = 0;

  1028.         }

  1029.         else

  1030.         {

  1031.             pData->engine->callback(ENGINE_CALLBACK_RELOAD_PROGRAMS, pData->id, 0, 0, 0.0f, nullptr);

  1032.         }

  1033.     }

  1034. 

  1035.     // -------------------------------------------------------------------

  1036.     // Plugin processing

  1037. 

  1038.     void process(float** const, float** const outBuffer, const uint32_t frames) override

  1039.     {

  1040.         // --------------------------------------------------------------------------------------------------------

  1041.         // Check if active

  1042. 

  1043.         if (! pData->active)

  1044.         {

  1045.             // disable any output sound

  1046.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1047.                 FLOAT_CLEAR(outBuffer[i], frames);

  1048.             return;

  1049.         }

  1050. 

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

  1052.         // Check if needs reset

  1053. 

  1054.         if (pData->needsReset)

  1055.         {

  1056.             if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1057.             {

  1058.                 for (int i=0; i < MAX_MIDI_CHANNELS; ++i)

  1059.                 {

  1060. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1061.                     fluid_synth_all_notes_off(fSynth, i);

  1062.                     fluid_synth_all_sounds_off(fSynth, i);

  1063. #else

  1064.                     fluid_synth_cc(fSynth, i, MIDI_CONTROL_ALL_SOUND_OFF, 0);

  1065.                     fluid_synth_cc(fSynth, i, MIDI_CONTROL_ALL_NOTES_OFF, 0);

  1066. #endif

  1067.                 }

  1068.             }

  1069.             else if (pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1070.             {

  1071.                 for (int i=0; i < MAX_MIDI_NOTE; ++i)

  1072.                     fluid_synth_noteoff(fSynth, pData->ctrlChannel, i);

  1073.             }

  1074. 

  1075.             pData->needsReset = false;

  1076.         }

  1077. 

  1078.         // --------------------------------------------------------------------------------------------------------

  1079.         // Event Input and Processing

  1080. 

  1081.         {

  1082.             // ----------------------------------------------------------------------------------------------------

  1083.             // MIDI Input (External)

  1084. 

  1085.             if (pData->extNotes.mutex.tryLock())

  1086.             {

  1087.                 for (RtLinkedList<ExternalMidiNote>::Itenerator it = pData->extNotes.data.begin(); it.valid(); it.next())

  1088.                 {

  1089.                     const ExternalMidiNote& note(it.getValue());

  1090. 

  1091.                     CARLA_SAFE_ASSERT_CONTINUE(note.channel >= 0 && note.channel < MAX_MIDI_CHANNELS);

  1092. 

  1093.                     if (note.velo > 0)

  1094.                         fluid_synth_noteon(fSynth, note.channel, note.note, note.velo);

  1095.                     else

  1096.                         fluid_synth_noteoff(fSynth,note.channel, note.note);

  1097.                 }

  1098. 

  1099.                 pData->extNotes.data.clear();

  1100.                 pData->extNotes.mutex.unlock();

  1101. 

  1102.             } // End of MIDI Input (External)

  1103. 

  1104.             // ----------------------------------------------------------------------------------------------------

  1105.             // Event Input (System)

  1106. 

  1107.             bool allNotesOffSent = false;

  1108. 

  1109.             uint32_t time, nEvents = pData->event.portIn->getEventCount();

  1110.             uint32_t timeOffset = 0;

  1111. 

  1112.             uint32_t nextBankIds[MAX_MIDI_CHANNELS] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 0, 0, 0, 0, 0, 0 };

  1113. 

  1114.             if (pData->midiprog.current >= 0 && pData->midiprog.count > 0 && pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1115.                 nextBankIds[pData->ctrlChannel] = pData->midiprog.data[pData->midiprog.current].bank;

  1116. 

  1117.             for (uint32_t i=0; i < nEvents; ++i)

  1118.             {

  1119.                 const EngineEvent& event(pData->event.portIn->getEvent(i));

  1120. 

  1121.                 time = event.time;

  1122. 

  1123.                 CARLA_SAFE_ASSERT_CONTINUE(time < frames);

  1124.                 CARLA_SAFE_ASSERT_BREAK(time >= timeOffset);

  1125. 

  1126.                 if (time > timeOffset)

  1127.                 {

  1128.                     if (processSingle(outBuffer, time - timeOffset, timeOffset))

  1129.                     {

  1130.                         timeOffset = time;

  1131. 

  1132.                         if (pData->midiprog.current >= 0 && pData->midiprog.count > 0 && pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1133.                             nextBankIds[pData->ctrlChannel] = pData->midiprog.data[pData->midiprog.current].bank;

  1134.                     }

  1135.                 }

  1136. 

  1137.                 // Control change

  1138.                 switch (event.type)

  1139.                 {

  1140.                 case kEngineEventTypeNull:

  1141.                     break;

  1142. 

  1143.                 case kEngineEventTypeControl:

  1144.                 {

  1145.                     const EngineControlEvent& ctrlEvent = event.ctrl;

  1146. 

  1147.                     switch (ctrlEvent.type)

  1148.                     {

  1149.                     case kEngineControlEventTypeNull:

  1150.                         break;

  1151. 

  1152.                     case kEngineControlEventTypeParameter:

  1153.                     {

  1154. #ifndef BUILD_BRIDGE

  1155.                         // Control backend stuff

  1156.                         if (event.channel == pData->ctrlChannel)

  1157.                         {

  1158.                             float value;

  1159. 

  1160.                             if (MIDI_IS_CONTROL_BREATH_CONTROLLER(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_DRYWET) != 0)

  1161.                             {

  1162.                                 value = ctrlEvent.value;

  1163.                                 setDryWet(value, false, false);

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

  1165.                             }

  1166. 

  1167.                             if (MIDI_IS_CONTROL_CHANNEL_VOLUME(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_VOLUME) != 0)

  1168.                             {

  1169.                                 value = ctrlEvent.value*127.0f/100.0f;

  1170.                                 setVolume(value, false, false);

  1171.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_VOLUME, 0, value);

  1172.                             }

  1173. 

  1174.                             if (MIDI_IS_CONTROL_BALANCE(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_BALANCE) != 0)

  1175.                             {

  1176.                                 float left, right;

  1177.                                 value = ctrlEvent.value/0.5f - 1.0f;

  1178. 

  1179.                                 if (value < 0.0f)

  1180.                                 {

  1181.                                     left  = -1.0f;

  1182.                                     right = (value*2.0f)+1.0f;

  1183.                                 }

  1184.                                 else if (value > 0.0f)

  1185.                                 {

  1186.                                     left  = (value*2.0f)-1.0f;

  1187.                                     right = 1.0f;

  1188.                                 }

  1189.                                 else

  1190.                                 {

  1191.                                     left  = -1.0f;

  1192.                                     right = 1.0f;

  1193.                                 }

  1194. 

  1195.                                 setBalanceLeft(left, false, false);

  1196.                                 setBalanceRight(right, false, false);

  1197.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_LEFT, 0, left);

  1198.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_RIGHT, 0, right);

  1199.                             }

  1200.                         }

  1201. #endif

  1202. 

  1203.                         // Control plugin parameters

  1204.                         for (uint32_t k=0; k < pData->param.count; ++k)

  1205.                         {

  1206.                             if (pData->param.data[k].midiChannel != event.channel)

  1207.                                 continue;

  1208.                             if (pData->param.data[k].midiCC != ctrlEvent.param)

  1209.                                 continue;

  1210.                             if (pData->param.data[k].hints != PARAMETER_INPUT)

  1211.                                 continue;

  1212.                             if ((pData->param.data[k].hints & PARAMETER_IS_AUTOMABLE) == 0)

  1213.                                 continue;

  1214. 

  1215.                             float value;

  1216. 

  1217.                             if (pData->param.data[k].hints & PARAMETER_IS_BOOLEAN)

  1218.                             {

  1219.                                 value = (ctrlEvent.value < 0.5f) ? pData->param.ranges[k].min : pData->param.ranges[k].max;

  1220.                             }

  1221.                             else

  1222.                             {

  1223.                                 value = pData->param.ranges[k].getUnnormalizedValue(ctrlEvent.value);

  1224. 

  1225.                                 if (pData->param.data[k].hints & PARAMETER_IS_INTEGER)

  1226.                                     value = std::rint(value);

  1227.                             }

  1228. 

  1229.                             setParameterValue(k, value, false, false, false);

  1230.                             pData->postponeRtEvent(kPluginPostRtEventParameterChange, static_cast<int32_t>(k), 0, value);

  1231.                         }

  1232. 

  1233.                         if ((pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0 && ctrlEvent.param <= 0x5F)

  1234.                         {

  1235.                             fluid_synth_cc(fSynth, event.channel, ctrlEvent.param, int(ctrlEvent.value*127.0f));

  1236.                         }

  1237. 

  1238.                         break;

  1239.                     }

  1240. 

  1241.                     case kEngineControlEventTypeMidiBank:

  1242.                         if (event.channel < MAX_MIDI_CHANNELS && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1243.                             nextBankIds[event.channel] = ctrlEvent.param;

  1244.                         break;

  1245. 

  1246.                     case kEngineControlEventTypeMidiProgram:

  1247.                         if (event.channel < MAX_MIDI_CHANNELS && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1248.                         {

  1249.                             const uint32_t bankId(nextBankIds[event.channel]);

  1250.                             const uint32_t progId(ctrlEvent.param);

  1251. 

  1252.                             for (uint32_t k=0; k < pData->midiprog.count; ++k)

  1253.                             {

  1254.                                 if (pData->midiprog.data[k].bank == bankId && pData->midiprog.data[k].program == progId)

  1255.                                 {

  1256.                                     fluid_synth_program_select(fSynth, event.channel, fSynthId, bankId, progId);

  1257.                                     fCurMidiProgs[event.channel] = static_cast<int32_t>(k);

  1258. 

  1259.                                     if (event.channel == pData->ctrlChannel)

  1260.                                         pData->postponeRtEvent(kPluginPostRtEventMidiProgramChange, static_cast<int32_t>(k), 0, 0.0f);

  1261. 

  1262.                                     break;

  1263.                                 }

  1264.                             }

  1265.                         }

  1266.                         break;

  1267. 

  1268.                     case kEngineControlEventTypeAllSoundOff:

  1269.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1270.                         {

  1271. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1272.                             fluid_synth_all_sounds_off(fSynth, event.channel);

  1273. #else

  1274.                             fluid_synth_cc(fSynth, event.channel, MIDI_CONTROL_ALL_SOUND_OFF, 0);

  1275. #endif

  1276.                         }

  1277.                         break;

  1278. 

  1279.                     case kEngineControlEventTypeAllNotesOff:

  1280.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1281.                         {

  1282.                             if (event.channel == pData->ctrlChannel && ! allNotesOffSent)

  1283.                             {

  1284.                                 allNotesOffSent = true;

  1285.                                 sendMidiAllNotesOffToCallback();

  1286.                             }

  1287. 

  1288. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1289.                             fluid_synth_all_notes_off(fSynth, event.channel);

  1290. #else

  1291.                             fluid_synth_cc(fSynth, event.channel, MIDI_CONTROL_ALL_NOTES_OFF, 0);

  1292. #endif

  1293.                         }

  1294.                         break;

  1295.                     }

  1296. 

  1297.                     break;

  1298.                 }

  1299. 

  1300.                 case kEngineEventTypeMidi:

  1301.                 {

  1302.                     const EngineMidiEvent& midiEvent(event.midi);

  1303. 

  1304.                     uint8_t status  = uint8_t(MIDI_GET_STATUS_FROM_DATA(midiEvent.data));

  1305.                     uint8_t channel = event.channel;

  1306. 

  1307.                     // Fix bad note-off

  1308.                     if (MIDI_IS_STATUS_NOTE_ON(status) && midiEvent.data[2] == 0)

  1309.                         status = MIDI_STATUS_NOTE_OFF;

  1310. 

  1311.                     if (MIDI_IS_STATUS_NOTE_OFF(status))

  1312.                     {

  1313.                         const uint8_t note = midiEvent.data[1];

  1314. 

  1315.                         fluid_synth_noteoff(fSynth, channel, note);

  1316. 

  1317.                         pData->postponeRtEvent(kPluginPostRtEventNoteOff, channel, note, 0.0f);

  1318.                     }

  1319.                     else if (MIDI_IS_STATUS_NOTE_ON(status))

  1320.                     {

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

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

  1323. 

  1324.                         fluid_synth_noteon(fSynth, channel, note, velo);

  1325. 

  1326.                         pData->postponeRtEvent(kPluginPostRtEventNoteOn, channel, note, velo);

  1327.                     }

  1328.                     else if (MIDI_IS_STATUS_POLYPHONIC_AFTERTOUCH(status) && (pData->options & PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH) != 0)

  1329.                     {

  1330.                         //const uint8_t note     = midiEvent.data[1];

  1331.                         //const uint8_t pressure = midiEvent.data[2];

  1332. 

  1333.                         // TODO, not in fluidsynth API

  1334.                     }

  1335.                     else if (MIDI_IS_STATUS_CONTROL_CHANGE(status) && (pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0)

  1336.                     {

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

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

  1339. 

  1340.                         fluid_synth_cc(fSynth, channel, control, value);

  1341.                     }

  1342.                     else if (MIDI_IS_STATUS_CHANNEL_PRESSURE(status) && (pData->options & PLUGIN_OPTION_SEND_CHANNEL_PRESSURE) != 0)

  1343.                     {

  1344.                         const uint8_t pressure = midiEvent.data[1];

  1345. 

  1346.                         fluid_synth_channel_pressure(fSynth, channel, pressure);;

  1347.                     }

  1348.                     else if (MIDI_IS_STATUS_PITCH_WHEEL_CONTROL(status) && (pData->options & PLUGIN_OPTION_SEND_PITCHBEND) != 0)

  1349.                     {

  1350.                         const uint8_t lsb   = midiEvent.data[1];

  1351.                         const uint8_t msb   = midiEvent.data[2];

  1352.                         const int     value = ((msb << 7) | lsb) - 8192;

  1353. 

  1354.                         fluid_synth_pitch_bend(fSynth, channel, value);

  1355.                     }

  1356. 

  1357.                     break;

  1358.                 }

  1359.                 }

  1360.             }

  1361. 

  1362.             pData->postRtEvents.trySplice();

  1363. 

  1364.             if (frames > timeOffset)

  1365.                 processSingle(outBuffer, frames - timeOffset, timeOffset);

  1366. 

  1367.         } // End of Event Input and Processing

  1368. 

  1369.         CARLA_PROCESS_CONTINUE_CHECK;

  1370. 

  1371.         // --------------------------------------------------------------------------------------------------------

  1372.         // Control Output

  1373. 

  1374.         {

  1375.             uint32_t k = FluidSynthVoiceCount;

  1376.             fParamBuffers[k] = float(fluid_synth_get_active_voice_count(fSynth));

  1377.             pData->param.ranges[k].fixValue(fParamBuffers[k]);

  1378. 

  1379.             if (pData->param.data[k].midiCC > 0)

  1380.             {

  1381.                 float value(pData->param.ranges[k].getNormalizedValue(fParamBuffers[k]));

  1382.                 pData->event.portOut->writeControlEvent(0, pData->param.data[k].midiChannel, kEngineControlEventTypeParameter, static_cast<uint16_t>(pData->param.data[k].midiCC), value);

  1383.             }

  1384. 

  1385.         } // End of Control Output

  1386.     }

  1387. 

  1388.     bool processSingle(float** const outBuffer, const uint32_t frames, const uint32_t timeOffset)

  1389.     {

  1390.         CARLA_SAFE_ASSERT_RETURN(outBuffer != nullptr, false);

  1391.         CARLA_SAFE_ASSERT_RETURN(frames > 0, false);

  1392. 

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

  1394.         // Try lock, silence otherwise

  1395. 

  1396.         if (pData->engine->isOffline())

  1397.         {

  1398.             pData->singleMutex.lock();

  1399.         }

  1400.         else if (! pData->singleMutex.tryLock())

  1401.         {

  1402.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1403.             {

  1404.                 for (uint32_t k=0; k < frames; ++k)

  1405.                     outBuffer[i][k+timeOffset] = 0.0f;

  1406.             }

  1407. 

  1408.             return false;

  1409.         }

  1410. 

  1411.         // --------------------------------------------------------------------------------------------------------

  1412.         // Fill plugin buffers and Run plugin

  1413. 

  1414.         if (fUses16Outs)

  1415.         {

  1416.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1417.                 FLOAT_CLEAR(fAudio16Buffers[i], frames);

  1418. 

  1419.             // FIXME use '32' or '16' instead of outs

  1420.             fluid_synth_process(fSynth, static_cast<int>(frames), 0, nullptr, static_cast<int>(pData->audioOut.count), fAudio16Buffers);

  1421.         }

  1422.         else

  1423.             fluid_synth_write_float(fSynth, static_cast<int>(frames), outBuffer[0] + timeOffset, 0, 1, outBuffer[1] + timeOffset, 0, 1);

  1424. 

  1425. #ifndef BUILD_BRIDGE

  1426.         // --------------------------------------------------------------------------------------------------------

  1427.         // Post-processing (volume and balance)

  1428. 

  1429.         {

  1430.             // note - balance not possible with fUses16Outs, so we can safely skip fAudioOutBuffers

  1431.             const bool doVolume  = (pData->hints & PLUGIN_CAN_VOLUME) > 0 && pData->postProc.volume != 1.0f;

  1432.             const bool doBalance = (pData->hints & PLUGIN_CAN_BALANCE) > 0 && (pData->postProc.balanceLeft != -1.0f || pData->postProc.balanceRight != 1.0f);

  1433. 

  1434.             float oldBufLeft[doBalance ? frames : 1];

  1435. 

  1436.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1437.             {

  1438.                 // Balance

  1439.                 if (doBalance)

  1440.                 {

  1441.                     if (i % 2 == 0)

  1442.                         FLOAT_COPY(oldBufLeft, outBuffer[i]+timeOffset, frames);

  1443. 

  1444.                     float balRangeL = (pData->postProc.balanceLeft  + 1.0f)/2.0f;

  1445.                     float balRangeR = (pData->postProc.balanceRight + 1.0f)/2.0f;

  1446. 

  1447.                     for (uint32_t k=0; k < frames; ++k)

  1448.                     {

  1449.                         if (i % 2 == 0)

  1450.                         {

  1451.                             // left

  1452.                             outBuffer[i][k+timeOffset]  = oldBufLeft[k]                * (1.0f - balRangeL);

  1453.                             outBuffer[i][k+timeOffset] += outBuffer[i+1][k+timeOffset] * (1.0f - balRangeR);

  1454.                         }

  1455.                         else

  1456.                         {

  1457.                             // right

  1458.                             outBuffer[i][k+timeOffset]  = outBuffer[i][k+timeOffset] * balRangeR;

  1459.                             outBuffer[i][k+timeOffset] += oldBufLeft[k]              * balRangeL;

  1460.                         }

  1461.                     }

  1462.                 }

  1463. 

  1464.                 // Volume

  1465.                 if (fUses16Outs)

  1466.                 {

  1467.                     for (uint32_t k=0; k < frames; ++k)

  1468.                         outBuffer[i][k+timeOffset] = fAudio16Buffers[i][k] * pData->postProc.volume;

  1469.                 }

  1470.                 else if (doVolume)

  1471.                 {

  1472.                     for (uint32_t k=0; k < frames; ++k)

  1473.                         outBuffer[i][k+timeOffset] *= pData->postProc.volume;

  1474.                 }

  1475.             }

  1476. 

  1477.         } // End of Post-processing

  1478. #else

  1479.         if (fUses16Outs)

  1480.         {

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

  1482.             {

  1483.                 for (uint32_t k=0; k < frames; ++k)

  1484.                     outBuffer[i][k+timeOffset] = fAudio16Buffers[i][k];

  1485.             }

  1486.         }

  1487. #endif

  1488. 

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

  1490. 

  1491.         pData->singleMutex.unlock();

  1492.         return true;

  1493.     }

  1494. 

  1495.     void bufferSizeChanged(const uint32_t newBufferSize) override

  1496.     {

  1497.         if (! fUses16Outs)

  1498.             return;

  1499. 

  1500.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1501.         {

  1502.             if (fAudio16Buffers[i] != nullptr)

  1503.                 delete[] fAudio16Buffers[i];

  1504.             fAudio16Buffers[i] = new float[newBufferSize];

  1505.         }

  1506.     }

  1507. 

  1508.     void sampleRateChanged(const double newSampleRate) override

  1509.     {

  1510.         CARLA_SAFE_ASSERT_RETURN(fSettings != nullptr,);

  1511. 

  1512.         fluid_settings_setnum(fSettings, "synth.sample-rate", newSampleRate);

  1513. 

  1514. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1515.         CARLA_SAFE_ASSERT_RETURN(fSynth != nullptr,);

  1516. 

  1517.         fluid_synth_set_sample_rate(fSynth, float(newSampleRate));

  1518. #endif

  1519.     }

  1520. 

  1521.     // -------------------------------------------------------------------

  1522.     // Plugin buffers

  1523. 

  1524.     void clearBuffers() noexcept override

  1525.     {

  1526.         carla_debug("FluidSynthPlugin::clearBuffers() - start");

  1527. 

  1528.         if (fAudio16Buffers != nullptr)

  1529.         {

  1530.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1531.             {

  1532.                 if (fAudio16Buffers[i] != nullptr)

  1533.                 {

  1534.                     delete[] fAudio16Buffers[i];

  1535.                     fAudio16Buffers[i] = nullptr;

  1536.                 }

  1537.             }

  1538. 

  1539.             delete[] fAudio16Buffers;

  1540.             fAudio16Buffers = nullptr;

  1541.         }

  1542. 

  1543.         CarlaPlugin::clearBuffers();

  1544. 

  1545.         carla_debug("FluidSynthPlugin::clearBuffers() - end");

  1546.     }

  1547. 

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

  1549. 

  1550.     const void* getExtraStuff() const noexcept override

  1551.     {

  1552.         static const char xtrue[]  = "true";

  1553.         static const char xfalse[] = "false";

  1554.         return fUses16Outs ? xtrue : xfalse;

  1555.     }

  1556. 

  1557.     bool init(const char* const filename, const char* const name, const char* const label)

  1558.     {

  1559.         CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr, false);

  1560. 

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

  1562.         // first checks

  1563. 

  1564.         if (pData->client != nullptr)

  1565.         {

  1566.             pData->engine->setLastError("Plugin client is already registered");

  1567.             return false;

  1568.         }

  1569. 

  1570.         if (fSynth == nullptr)

  1571.         {

  1572.             pData->engine->setLastError("null synth");

  1573.             return false;

  1574.         }

  1575. 

  1576.         if (filename == nullptr || filename[0] == '\0')

  1577.         {

  1578.             pData->engine->setLastError("null filename");

  1579.             return false;

  1580.         }

  1581. 

  1582.         if (label == nullptr || label[0] == '\0')

  1583.         {

  1584.             pData->engine->setLastError("null label");

  1585.             return false;

  1586.         }

  1587. 

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

  1589.         // open soundfont

  1590. 

  1591.         const int synthId(fluid_synth_sfload(fSynth, filename, 0));

  1592. 

  1593.         if (synthId < 0)

  1594.         {

  1595.             pData->engine->setLastError("Failed to load SoundFont file");

  1596.             return false;

  1597.         }

  1598. 

  1599.         fSynthId = static_cast<uint>(synthId);

  1600. 

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

  1602.         // get info

  1603. 

  1604.         CarlaString label2(label);

  1605. 

  1606.         if (fUses16Outs && ! label2.endsWith(" (16 outs)"))

  1607.             label2 += " (16 outs)";

  1608. 

  1609.         fLabel          = label2.dup();

  1610.         pData->filename = carla_strdup(filename);

  1611. 

  1612.         if (name != nullptr && name[0] != '\0')

  1613.             pData->name = pData->engine->getUniquePluginName(name);

  1614.         else

  1615.             pData->name = pData->engine->getUniquePluginName(label);

  1616. 

  1617.         // ---------------------------------------------------------------

  1618.         // register client

  1619. 

  1620.         pData->client = pData->engine->addClient(this);

  1621. 

  1622.         if (pData->client == nullptr || ! pData->client->isOk())

  1623.         {

  1624.             pData->engine->setLastError("Failed to register plugin client");

  1625.             return false;

  1626.         }

  1627. 

  1628.         // ---------------------------------------------------------------

  1629.         // load plugin settings

  1630. 

  1631.         {

  1632.             // set default options

  1633.             pData->options = 0x0;

  1634. 

  1635.             pData->options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  1636.             pData->options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  1637.             pData->options |= PLUGIN_OPTION_SEND_PITCHBEND;

  1638.             pData->options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  1639. 

  1640. #ifndef BUILD_BRIDGE

  1641.             // set identifier string

  1642.             CarlaString identifier("SF2/");

  1643. 

  1644.             if (const char* const shortname = std::strrchr(filename, OS_SEP))

  1645.                 identifier += shortname+1;

  1646.             else

  1647.                 identifier += label;

  1648. 

  1649.             pData->identifier = identifier.dup();

  1650. 

  1651.             // load settings

  1652.             pData->options = pData->loadSettings(pData->options, getOptionsAvailable());

  1653. #endif

  1654.         }

  1655. 

  1656.         return true;

  1657.     }

  1658. 

  1659. private:

  1660.     enum FluidSynthInputParameters {

  1661.         FluidSynthReverbOnOff    = 0,

  1662.         FluidSynthReverbRoomSize = 1,

  1663.         FluidSynthReverbDamp     = 2,

  1664.         FluidSynthReverbLevel    = 3,

  1665.         FluidSynthReverbWidth    = 4,

  1666.         FluidSynthChorusOnOff    = 5,

  1667.         FluidSynthChorusNr       = 6,

  1668.         FluidSynthChorusLevel    = 7,

  1669.         FluidSynthChorusSpeedHz  = 8,

  1670.         FluidSynthChorusDepthMs  = 9,

  1671.         FluidSynthChorusType     = 10,

  1672.         FluidSynthPolyphony      = 11,

  1673.         FluidSynthInterpolation  = 12,

  1674.         FluidSynthVoiceCount     = 13,

  1675.         FluidSynthParametersMax  = 14

  1676.     };

  1677. 

  1678.     const bool fUses16Outs;

  1679. 

  1680.     fluid_settings_t* fSettings;

  1681.     fluid_synth_t*    fSynth;

  1682.     uint              fSynthId;

  1683. 

  1684.     float** fAudio16Buffers;

  1685.     float   fParamBuffers[FluidSynthParametersMax];

  1686. 

  1687.     int32_t fCurMidiProgs[MAX_MIDI_CHANNELS];

  1688. 

  1689.     const char* fLabel;

  1690. 

  1691.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(FluidSynthPlugin)

  1692. };

  1693. 

  1694. CARLA_BACKEND_END_NAMESPACE

  1695. 

  1696. #endif // WANT_FLUIDSYNTH

  1697. 

  1698. CARLA_BACKEND_START_NAMESPACE

  1699. 

  1700. CarlaPlugin* CarlaPlugin::newFluidSynth(const Initializer& init, const bool use16Outs)

  1701. {

  1702.     carla_debug("CarlaPlugin::newFluidSynth({%p, \"%s\", \"%s\", \"%s\", " P_INT64 "}, %s)", init.engine, init.filename, init.name, init.label, init.uniqueId, bool2str(use16Outs));

  1703. 

  1704. #ifdef WANT_FLUIDSYNTH

  1705.     if (init.engine->getProccessMode() == ENGINE_PROCESS_MODE_CONTINUOUS_RACK && use16Outs)

  1706.     {

  1707.         init.engine->setLastError("Carla's rack mode can only work with Stereo modules, please choose the 2-channel only SoundFont version");

  1708.         return nullptr;

  1709.     }

  1710. 

  1711.     if (! fluid_is_soundfont(init.filename))

  1712.     {

  1713.         init.engine->setLastError("Requested file is not a valid SoundFont");

  1714.         return nullptr;

  1715.     }

  1716. 

  1717.     FluidSynthPlugin* const plugin(new FluidSynthPlugin(init.engine, init.id,  use16Outs));

  1718. 

  1719.     if (! plugin->init(init.filename, init.name, init.label))

  1720.     {

  1721.         delete plugin;

  1722.         return nullptr;

  1723.     }

  1724. 

  1725.     plugin->reload();

  1726. 

  1727.     return plugin;

  1728. #else

  1729.     init.engine->setLastError("fluidsynth support not available");

  1730.     return nullptr;

  1731. 

  1732.     // unused

  1733.     (void)use16Outs;

  1734. #endif

  1735. }

  1736. 

  1737. CARLA_BACKEND_END_NAMESPACE