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Carla/source/backend/plugin/FluidSynthPlugin.cpp

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  1. /*

  2.  * Carla FluidSynth Plugin

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

  4.  *

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

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

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

  8.  * the License, or any later version.

  9.  *

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

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

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

  13.  * GNU General Public License for more details.

  14.  *

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

  16.  */

  17. 

  18. #include "CarlaPluginInternal.hpp"

  19. 

  20. #ifdef WANT_FLUIDSYNTH

  21. 

  22. #include <fluidsynth.h>

  23. 

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

  25. # define FLUIDSYNTH_VERSION_NEW_API

  26. #endif

  27. 

  28. CARLA_BACKEND_START_NAMESPACE

  29. 

  30. #if 0

  31. }

  32. #endif

  33. 

  34. #define FLUID_DEFAULT_POLYPHONY 64

  35. 

  36. class FluidSynthPlugin : public CarlaPlugin

  37. {

  38. public:

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

  40.         : CarlaPlugin(engine, id),

  41.           kUses16Outs(use16Outs),

  42.           fSettings(nullptr),

  43.           fSynth(nullptr),

  44.           fSynthId(-1),

  45.           fAudio16Buffers(nullptr)

  46.     {

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

  48. 

  49. #ifdef USE_JUCE

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

  51. #else

  52. #endif

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

  54. 

  55.         // create settings

  56.         fSettings = new_fluid_settings();

  57.         CARLA_SAFE_ASSERT_RETURN(fSettings != nullptr,);

  58. 

  59.         // define settings

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

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

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

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

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

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

  66. 

  67.         // create synth

  68.         fSynth = new_fluid_synth(fSettings);

  69.         CARLA_SAFE_ASSERT_RETURN(fSynth != nullptr,);

  70. 

  71. #ifdef FLUIDSYNTH_VERSION_NEW_API

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

  73. #endif

  74. 

  75.         // set default values

  76.         fluid_synth_set_reverb_on(fSynth, 1);

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

  78. 

  79.         fluid_synth_set_chorus_on(fSynth, 1);

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

  81. 

  82.         fluid_synth_set_polyphony(fSynth, FLUID_DEFAULT_POLYPHONY);

  83.         fluid_synth_set_gain(fSynth, 1.0f);

  84. 

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

  86.             fluid_synth_set_interp_method(fSynth, i, FLUID_INTERP_DEFAULT);

  87.     }

  88. 

  89.     ~FluidSynthPlugin() override

  90.     {

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

  92. 

  93.         pData->singleMutex.lock();

  94.         pData->masterMutex.lock();

  95. 

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

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

  98. 

  99.         if (pData->active)

  100.         {

  101.             deactivate();

  102.             pData->active = false;

  103.         }

  104. 

  105.         if (fSynth != nullptr)

  106.         {

  107.             delete_fluid_synth(fSynth);

  108.             fSynth = nullptr;

  109.         }

  110. 

  111.         if (fSettings != nullptr)

  112.         {

  113.             delete_fluid_settings(fSettings);

  114.             fSettings = nullptr;

  115.         }

  116. 

  117.         clearBuffers();

  118.     }

  119. 

  120.     // -------------------------------------------------------------------

  121.     // Information (base)

  122. 

  123.     PluginType getType() const noexcept override

  124.     {

  125.         return PLUGIN_SF2;

  126.     }

  127. 

  128.     PluginCategory getCategory() const override

  129.     {

  130.         return PLUGIN_CATEGORY_SYNTH;

  131.     }

  132. 

  133.     // -------------------------------------------------------------------

  134.     // Information (count)

  135. 

  136.     uint32_t getParameterScalePointCount(const uint32_t parameterId) const override

  137.     {

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

  139. 

  140.         switch (parameterId)

  141.         {

  142.         case FluidSynthChorusType:

  143.             return 2;

  144.         case FluidSynthInterpolation:

  145.             return 4;

  146.         default:

  147.             return 0;

  148.         }

  149.     }

  150. 

  151.     // -------------------------------------------------------------------

  152.     // Information (current data)

  153. 

  154.     // nothing

  155. 

  156.     // -------------------------------------------------------------------

  157.     // Information (per-plugin data)

  158. 

  159.     unsigned int getOptionsAvailable() const override

  160.     {

  161.         unsigned int options = 0x0;

  162. 

  163.         options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  164.         options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  165.         options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  166.         options |= PLUGIN_OPTION_SEND_PITCHBEND;

  167.         options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  168. 

  169.         return options;

  170.     }

  171. 

  172.     float getParameterValue(const uint32_t parameterId) const override

  173.     {

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

  175. 

  176.         return fParamBuffers[parameterId];

  177.     }

  178. 

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

  180.     {

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

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

  183. 

  184.         switch (parameterId)

  185.         {

  186.         case FluidSynthChorusType:

  187.             switch (scalePointId)

  188.             {

  189.             case 0:

  190.                 return FLUID_CHORUS_MOD_SINE;

  191.             case 1:

  192.                 return FLUID_CHORUS_MOD_TRIANGLE;

  193.             default:

  194.                 return FLUID_CHORUS_DEFAULT_TYPE;

  195.             }

  196.         case FluidSynthInterpolation:

  197.             switch (scalePointId)

  198.             {

  199.             case 0:

  200.                 return FLUID_INTERP_NONE;

  201.             case 1:

  202.                 return FLUID_INTERP_LINEAR;

  203.             case 2:

  204.                 return FLUID_INTERP_4THORDER;

  205.             case 3:

  206.                 return FLUID_INTERP_7THORDER;

  207.             default:

  208.                 return FLUID_INTERP_DEFAULT;

  209.             }

  210.         default:

  211.             return 0.0f;

  212.         }

  213.     }

  214. 

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

  216.     {

  217.         if (fLabel.isNotEmpty())

  218.             std::strncpy(strBuf, (const char*)fLabel, STR_MAX);

  219.         else

  220.             CarlaPlugin::getLabel(strBuf);

  221.     }

  222. 

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

  224.     {

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

  226.     }

  227. 

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

  229.     {

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

  231.     }

  232. 

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

  234.     {

  235.         getLabel(strBuf);

  236.     }

  237. 

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

  239.     {

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

  241. 

  242.         switch (parameterId)

  243.         {

  244.         case FluidSynthReverbOnOff:

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

  246.             break;

  247.         case FluidSynthReverbRoomSize:

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

  249.             break;

  250.         case FluidSynthReverbDamp:

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

  252.             break;

  253.         case FluidSynthReverbLevel:

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

  255.             break;

  256.         case FluidSynthReverbWidth:

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

  258.             break;

  259.         case FluidSynthChorusOnOff:

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

  261.             break;

  262.         case FluidSynthChorusNr:

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

  264.             break;

  265.         case FluidSynthChorusLevel:

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

  267.             break;

  268.         case FluidSynthChorusSpeedHz:

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

  270.             break;

  271.         case FluidSynthChorusDepthMs:

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

  273.             break;

  274.         case FluidSynthChorusType:

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

  276.             break;

  277.         case FluidSynthPolyphony:

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

  279.             break;

  280.         case FluidSynthInterpolation:

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

  282.             break;

  283.         case FluidSynthVoiceCount:

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

  285.             break;

  286.         default:

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

  288.             break;

  289.         }

  290.     }

  291. 

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

  293.     {

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

  295. 

  296.         switch (parameterId)

  297.         {

  298.         case FluidSynthChorusSpeedHz:

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

  300.             break;

  301.         case FluidSynthChorusDepthMs:

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

  303.             break;

  304.         default:

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

  306.             break;

  307.         }

  308.     }

  309. 

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

  311.     {

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

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

  314. 

  315.         switch (parameterId)

  316.         {

  317.         case FluidSynthChorusType:

  318.             switch (scalePointId)

  319.             {

  320.             case 0:

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

  322.                 return;

  323.             case 1:

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

  325.                 return;

  326.             }

  327.         case FluidSynthInterpolation:

  328.             switch (scalePointId)

  329.             {

  330.             case 0:

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

  332.                 return;

  333.             case 1:

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

  335.                 return;

  336.             case 2:

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

  338.                 return;

  339.             case 3:

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

  341.                 return;

  342.             }

  343.         }

  344. 

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

  346.     }

  347. 

  348.     // -------------------------------------------------------------------

  349.     // Set data (state)

  350. 

  351.     void prepareForSave() override

  352.     {

  353.         CARLA_SAFE_ASSERT_RETURN(fSynth != nullptr,);

  354. 

  355.         char strBuf[STR_MAX+1];

  356.         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],

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

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

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

  360. 

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

  362.     }

  363. 

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

  365.     // Set data (internal stuff)

  366. 

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

  368.     {

  369.         if (channel < MAX_MIDI_CHANNELS)

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

  371. 

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

  373.     }

  374. 

  375.     // -------------------------------------------------------------------

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

  377. 

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

  379.     {

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

  381. 

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

  383.         fParamBuffers[parameterId] = fixedValue;

  384. 

  385.         {

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

  387. 

  388.             switch (parameterId)

  389.             {

  390.             case FluidSynthReverbOnOff:

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

  392.                 break;

  393. 

  394.             case FluidSynthReverbRoomSize:

  395.             case FluidSynthReverbDamp:

  396.             case FluidSynthReverbLevel:

  397.             case FluidSynthReverbWidth:

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

  399.                 break;

  400. 

  401.             case FluidSynthChorusOnOff:

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

  403.                 break;

  404. 

  405.             case FluidSynthChorusNr:

  406.             case FluidSynthChorusLevel:

  407.             case FluidSynthChorusSpeedHz:

  408.             case FluidSynthChorusDepthMs:

  409.             case FluidSynthChorusType:

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

  411.                 break;

  412. 

  413.             case FluidSynthPolyphony:

  414.                 fluid_synth_set_polyphony(fSynth, value);

  415.                 break;

  416. 

  417.             case FluidSynthInterpolation:

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

  419.                     fluid_synth_set_interp_method(fSynth, i, value);

  420.                 break;

  421. 

  422.             default:

  423.                 break;

  424.             }

  425.         }

  426. 

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

  428.     }

  429. 

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

  431.     {

  432.         CARLA_SAFE_ASSERT_RETURN(fSynth != nullptr,);

  433.         CARLA_SAFE_ASSERT_RETURN(type != nullptr,);

  434.         CARLA_SAFE_ASSERT_RETURN(key != nullptr,);

  435.         CARLA_SAFE_ASSERT_RETURN(value != nullptr,);

  436.         carla_debug("DssiPlugin::setCustomData(%s, %s, %s, %s)", type, key, value, bool2str(sendGui));

  437. 

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

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

  440. 

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

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

  443. 

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

  445. //

  446. //         if (midiProgramList.count() == MAX_MIDI_CHANNELS)

  447. //         {

  448. //             uint i = 0;

  449. //             foreach (const QString& midiProg, midiProgramList)

  450. //             {

  451. //                 bool ok;

  452. //                 uint index = midiProg.toUInt(&ok);

  453. //

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

  455. //                 {

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

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

  458. //

  459. //                     fluid_synth_program_select(fSynth, i, fSynthId, bank, program);

  460. //                     fCurMidiProgs[i] = index;

  461. //

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

  463. //                     {

  464. //                         pData->midiprog.current = index;

  465. //                         pData->engine->callback(CALLBACK_MIDI_PROGRAM_CHANGED, pData->id, index, 0, 0.0f, nullptr);

  466. //                     }

  467. //                 }

  468. //

  469. //                 ++i;

  470. //             }

  471. //         }

  472. 

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

  474.     }

  475. 

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

  477.     {

  478.         CARLA_ASSERT(fSynth != nullptr);

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

  480. 

  481.         if (index < -1)

  482.             index = -1;

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

  484.             return;

  485. 

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

  487.             return;

  488. 

  489.         if (index >= 0)

  490.         {

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

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

  493. 

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

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

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

  497.         }

  498. 

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

  500.     }

  501. 

  502.     // -------------------------------------------------------------------

  503.     // Set gui stuff

  504. 

  505.     // nothing

  506. 

  507.     // -------------------------------------------------------------------

  508.     // Plugin state

  509. 

  510.     void reload() override

  511.     {

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

  513.         CARLA_SAFE_ASSERT_RETURN(fSynth != nullptr,);

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

  515. 

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

  517. 

  518.         // Safely disable plugin for reload

  519.         const ScopedDisabler sd(this);

  520. 

  521.         if (pData->active)

  522.             deactivate();

  523. 

  524.         clearBuffers();

  525. 

  526.         uint32_t aOuts, params, j;

  527.         aOuts  = kUses16Outs ? 32 : 2;

  528.         params = FluidSynthParametersMax;

  529. 

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

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

  532. 

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

  534.         CarlaString portName;

  535. 

  536.         // ---------------------------------------

  537.         // Audio Outputs

  538. 

  539.         if (kUses16Outs)

  540.         {

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

  542.             {

  543.                 portName.clear();

  544. 

  545.                 if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  546.                 {

  547.                     portName  = pData->name;

  548.                     portName += ":";

  549.                 }

  550. 

  551.                 portName += "out-";

  552. 

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

  554.                     portName += "0";

  555. 

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

  557. 

  558.                 if (j % 2 == 0)

  559.                     portName += "L";

  560.                 else

  561.                     portName += "R";

  562. 

  563.                 portName.truncate(portNameSize);

  564. 

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

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

  567.             }

  568. 

  569.             fAudio16Buffers = new float*[aOuts];

  570. 

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

  572.                 fAudio16Buffers[j] = nullptr;

  573.         }

  574.         else

  575.         {

  576.             // out-left

  577.             portName.clear();

  578. 

  579.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  580.             {

  581.                 portName  = pData->name;

  582.                 portName += ":";

  583.             }

  584. 

  585.             portName += "out-left";

  586.             portName.truncate(portNameSize);

  587. 

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

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

  590. 

  591.             // out-right

  592.             portName.clear();

  593. 

  594.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  595.             {

  596.                 portName  = pData->name;

  597.                 portName += ":";

  598.             }

  599. 

  600.             portName += "out-right";

  601.             portName.truncate(portNameSize);

  602. 

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

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

  605.         }

  606. 

  607.         // ---------------------------------------

  608.         // Event Input

  609. 

  610.         {

  611.             portName.clear();

  612. 

  613.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  614.             {

  615.                 portName  = pData->name;

  616.                 portName += ":";

  617.             }

  618. 

  619.             portName += "event-in";

  620.             portName.truncate(portNameSize);

  621. 

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

  623.         }

  624. 

  625.         // ---------------------------------------

  626.         // Event Output

  627. 

  628.         {

  629.             portName.clear();

  630. 

  631.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  632.             {

  633.                 portName  = pData->name;

  634.                 portName += ":";

  635.             }

  636. 

  637.             portName += "event-out";

  638.             portName.truncate(portNameSize);

  639. 

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

  641.         }

  642. 

  643.         // ----------------------

  644.         j = FluidSynthReverbOnOff;

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

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

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

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

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

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

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

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

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

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

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

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

  657. 

  658.         // ----------------------

  659.         j = FluidSynthReverbRoomSize;

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

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

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

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

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

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

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

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

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

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

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

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

  672. 

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

  674.         j = FluidSynthReverbDamp;

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

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

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

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

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

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

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

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

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

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

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

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

  687. 

  688.         // ----------------------

  689.         j = FluidSynthReverbLevel;

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

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

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

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

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

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

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

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

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

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

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

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

  702. 

  703.         // ----------------------

  704.         j = FluidSynthReverbWidth;

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

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

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

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

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

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

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

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

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

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

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

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

  717. 

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

  719.         j = FluidSynthChorusOnOff;

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

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

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

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

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

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

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

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

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

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

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

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

  732. 

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

  734.         j = FluidSynthChorusNr;

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

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

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

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

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

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

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

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

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

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

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

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

  747. 

  748.         // ----------------------

  749.         j = FluidSynthChorusLevel;

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

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

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

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

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

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

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

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

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

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

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

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

  762. 

  763.         // ----------------------

  764.         j = FluidSynthChorusSpeedHz;

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

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

  767.         pData->param.data[j].hints  = PARAMETER_IS_INPUT | PARAMETER_IS_ENABLED;

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

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

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

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

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

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

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

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

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

  777. 

  778.         // ----------------------

  779.         j = FluidSynthChorusDepthMs;

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

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

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

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

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

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

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

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

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

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

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

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

  792. 

  793.         // ----------------------

  794.         j = FluidSynthChorusType;

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

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

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

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

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

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

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

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

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

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

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

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

  807. 

  808.         // ----------------------

  809.         j = FluidSynthPolyphony;

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

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

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

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

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

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

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

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

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

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

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

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

  822. 

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

  824.         j = FluidSynthInterpolation;

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

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

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

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

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

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

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

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

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

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

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

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

  837. 

  838.         // ----------------------

  839.         j = FluidSynthVoiceCount;

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

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

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

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

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

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

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

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

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

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

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

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

  852. 

  853.         // ---------------------------------------

  854. 

  855.         // plugin hints

  856.         pData->hints  = 0x0;

  857.         pData->hints |= PLUGIN_IS_SYNTH;

  858.         pData->hints |= PLUGIN_CAN_VOLUME;

  859.         pData->hints |= PLUGIN_CAN_BALANCE;

  860. 

  861.         // extra plugin hints

  862.         pData->extraHints  = 0x0;

  863.         pData->extraHints |= PLUGIN_EXTRA_HINT_HAS_MIDI_IN;

  864.         pData->extraHints |= PLUGIN_EXTRA_HINT_CAN_RUN_RACK;

  865. 

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

  867.         reloadPrograms(true);

  868. 

  869.         if (pData->active)

  870.             activate();

  871. 

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

  873.     }

  874. 

  875.     void reloadPrograms(const bool init) override

  876.     {

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

  878. 

  879.         // Delete old programs

  880.         pData->midiprog.clear();

  881. 

  882.         // Query new programs

  883.         uint32_t count = 0;

  884.         fluid_sfont_t* f_sfont;

  885.         fluid_preset_t f_preset;

  886. 

  887.         bool hasDrums = false;

  888.         uint32_t drumIndex, drumProg;

  889. 

  890.         f_sfont = fluid_synth_get_sfont_by_id(fSynth, fSynthId);

  891. 

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

  893.         f_sfont->iteration_start(f_sfont);

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

  895.             count += 1;

  896. 

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

  898.         CARLA_ASSERT(count > 0);

  899. 

  900.         if (count == 0)

  901.             return;

  902. 

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

  904. 

  905.         // Update data

  906.         uint32_t i = 0;

  907.         f_sfont->iteration_start(f_sfont);

  908. 

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

  910.         {

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

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

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

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

  915. 

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

  917.             {

  918.                 hasDrums  = true;

  919.                 drumIndex = i;

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

  921.             }

  922. 

  923.             ++i;

  924.         }

  925. 

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

  927. 

  928. #ifndef BUILD_BRIDGE

  929.         // Update OSC Names

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

  931.         {

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

  933. 

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

  935.                 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);

  936.         }

  937. #endif

  938. 

  939.         if (init)

  940.         {

  941.             fluid_synth_program_reset(fSynth);

  942. 

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

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

  945.             {

  946. #ifdef FLUIDSYNTH_VERSION_NEW_API

  947.                 fluid_synth_set_channel_type(fSynth, i, CHANNEL_TYPE_MELODIC);

  948. #endif

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

  950. 

  951.                 fCurMidiProgs[i] = 0;

  952.             }

  953. 

  954.             if (hasDrums)

  955.             {

  956. #ifdef FLUIDSYNTH_VERSION_NEW_API

  957.                 fluid_synth_set_channel_type(fSynth, 9, CHANNEL_TYPE_DRUM);

  958. #endif

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

  960. 

  961.                 fCurMidiProgs[9] = drumIndex;

  962.             }

  963.             else

  964.             {

  965. #ifdef FLUIDSYNTH_VERSION_NEW_API

  966.                 fluid_synth_set_channel_type(fSynth, 9, CHANNEL_TYPE_MELODIC);

  967. #endif

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

  969. 

  970.                 fCurMidiProgs[9] = 0;

  971.             }

  972. 

  973.             pData->midiprog.current = 0;

  974.         }

  975.         else

  976.         {

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

  978.         }

  979.     }

  980. 

  981.     // -------------------------------------------------------------------

  982.     // Plugin processing

  983. 

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

  985.     {

  986.         uint32_t i, k;

  987. 

  988.         // --------------------------------------------------------------------------------------------------------

  989.         // Check if active

  990. 

  991.         if (! pData->active)

  992.         {

  993.             // disable any output sound

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

  995.             {

  996. #ifdef USE_JUCE

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

  998. #else

  999. #endif

  1000.             }

  1001. 

  1002.             return;

  1003.         }

  1004. 

  1005.         // --------------------------------------------------------------------------------------------------------

  1006.         // Check if needs reset

  1007. 

  1008.         if (pData->needsReset)

  1009.         {

  1010.             if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1011.             {

  1012.                 for (int c=0; c < MAX_MIDI_CHANNELS; ++c)

  1013.                 {

  1014. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1015.                     fluid_synth_all_notes_off(fSynth, c);

  1016.                     fluid_synth_all_sounds_off(fSynth, c);

  1017. #else

  1018.                     fluid_synth_cc(fSynth, c, MIDI_CONTROL_ALL_SOUND_OFF, 0);

  1019.                     fluid_synth_cc(fSynth, c, MIDI_CONTROL_ALL_NOTES_OFF, 0);

  1020. #endif

  1021.                 }

  1022.             }

  1023.             else if (pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1024.             {

  1025.                 for (k=0; k < MAX_MIDI_NOTE; ++k)

  1026.                     fluid_synth_noteoff(fSynth, pData->ctrlChannel, k);

  1027.             }

  1028. 

  1029.             pData->needsReset = false;

  1030.         }

  1031. 

  1032.         // --------------------------------------------------------------------------------------------------------

  1033.         // Event Input and Processing

  1034. 

  1035.         {

  1036.             // ----------------------------------------------------------------------------------------------------

  1037.             // MIDI Input (External)

  1038. 

  1039.             if (pData->extNotes.mutex.tryLock())

  1040.             {

  1041.                 while (! pData->extNotes.data.isEmpty())

  1042.                 {

  1043.                     const ExternalMidiNote& note(pData->extNotes.data.getFirst(true));

  1044. 

  1045.                     CARLA_ASSERT(note.channel >= 0 && note.channel < MAX_MIDI_CHANNELS);

  1046. 

  1047.                     if (note.velo > 0)

  1048.                         fluid_synth_noteon(fSynth, note.channel, note.note, note.velo);

  1049.                     else

  1050.                         fluid_synth_noteoff(fSynth,note.channel, note.note);

  1051.                 }

  1052. 

  1053.                 pData->extNotes.mutex.unlock();

  1054. 

  1055.             } // End of MIDI Input (External)

  1056. 

  1057.             // ----------------------------------------------------------------------------------------------------

  1058.             // Event Input (System)

  1059. 

  1060.             bool allNotesOffSent = false;

  1061. 

  1062.             uint32_t time, nEvents = pData->event.portIn->getEventCount();

  1063.             uint32_t timeOffset = 0;

  1064. 

  1065.             uint32_t nextBankIds[MAX_MIDI_CHANNELS] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 0, 0, 0, 0, 0, 0 };

  1066. 

  1067.             if (pData->midiprog.current >= 0 && pData->midiprog.count > 0 && pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1068.                 nextBankIds[pData->ctrlChannel] = pData->midiprog.data[pData->midiprog.current].bank;

  1069. 

  1070.             for (i=0; i < nEvents; ++i)

  1071.             {

  1072.                 const EngineEvent& event(pData->event.portIn->getEvent(i));

  1073. 

  1074.                 time = event.time;

  1075. 

  1076.                 if (time >= frames)

  1077.                     continue;

  1078. 

  1079.                 CARLA_ASSERT_INT2(time >= timeOffset, time, timeOffset);

  1080. 

  1081.                 if (time > timeOffset)

  1082.                 {

  1083.                     if (processSingle(outBuffer, time - timeOffset, timeOffset))

  1084.                     {

  1085.                         timeOffset = time;

  1086. 

  1087.                         if (pData->midiprog.current >= 0 && pData->midiprog.count > 0 && pData->ctrlChannel >= 0 && pData->ctrlChannel < 16)

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

  1089.                     }

  1090.                 }

  1091. 

  1092.                 // Control change

  1093.                 switch (event.type)

  1094.                 {

  1095.                 case kEngineEventTypeNull:

  1096.                     break;

  1097. 

  1098.                 case kEngineEventTypeControl:

  1099.                 {

  1100.                     const EngineControlEvent& ctrlEvent = event.ctrl;

  1101. 

  1102.                     switch (ctrlEvent.type)

  1103.                     {

  1104.                     case kEngineControlEventTypeNull:

  1105.                         break;

  1106. 

  1107.                     case kEngineControlEventTypeParameter:

  1108.                     {

  1109. #ifndef BUILD_BRIDGE

  1110.                         // Control backend stuff

  1111.                         if (event.channel == pData->ctrlChannel)

  1112.                         {

  1113.                             float value;

  1114. 

  1115.                             if (MIDI_IS_CONTROL_BREATH_CONTROLLER(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_DRYWET) > 0)

  1116.                             {

  1117.                                 value = ctrlEvent.value;

  1118.                                 setDryWet(value, false, false);

  1119.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_DRYWET, 0, value);

  1120.                             }

  1121. 

  1122.                             if (MIDI_IS_CONTROL_CHANNEL_VOLUME(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_VOLUME) > 0)

  1123.                             {

  1124.                                 value = ctrlEvent.value*127.0f/100.0f;

  1125.                                 setVolume(value, false, false);

  1126.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_VOLUME, 0, value);

  1127.                             }

  1128. 

  1129.                             if (MIDI_IS_CONTROL_BALANCE(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_BALANCE) > 0)

  1130.                             {

  1131.                                 float left, right;

  1132.                                 value = ctrlEvent.value/0.5f - 1.0f;

  1133. 

  1134.                                 if (value < 0.0f)

  1135.                                 {

  1136.                                     left  = -1.0f;

  1137.                                     right = (value*2.0f)+1.0f;

  1138.                                 }

  1139.                                 else if (value > 0.0f)

  1140.                                 {

  1141.                                     left  = (value*2.0f)-1.0f;

  1142.                                     right = 1.0f;

  1143.                                 }

  1144.                                 else

  1145.                                 {

  1146.                                     left  = -1.0f;

  1147.                                     right = 1.0f;

  1148.                                 }

  1149. 

  1150.                                 setBalanceLeft(left, false, false);

  1151.                                 setBalanceRight(right, false, false);

  1152.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_LEFT, 0, left);

  1153.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_RIGHT, 0, right);

  1154.                             }

  1155.                         }

  1156. #endif

  1157. 

  1158.                         // Control plugin parameters

  1159.                         for (k=0; k < pData->param.count; ++k)

  1160.                         {

  1161.                             if (pData->param.data[k].midiChannel != event.channel)

  1162.                                 continue;

  1163.                             if (pData->param.data[k].midiCC != ctrlEvent.param)

  1164.                                 continue;

  1165.                             if ((pData->param.data[k].hints & PARAMETER_IS_INPUT) == 0)

  1166.                                 continue;

  1167.                             if ((pData->param.data[k].hints & PARAMETER_IS_AUTOMABLE) == 0)

  1168.                                 continue;

  1169. 

  1170.                             float value;

  1171. 

  1172.                             if (pData->param.data[k].hints & PARAMETER_IS_BOOLEAN)

  1173.                             {

  1174.                                 value = (ctrlEvent.value < 0.5f) ? pData->param.ranges[k].min : pData->param.ranges[k].max;

  1175.                             }

  1176.                             else

  1177.                             {

  1178.                                 value = pData->param.ranges[k].getUnnormalizedValue(ctrlEvent.value);

  1179. 

  1180.                                 if (pData->param.data[k].hints & PARAMETER_IS_INTEGER)

  1181.                                     value = std::rint(value);

  1182.                             }

  1183. 

  1184.                             setParameterValue(k, value, false, false, false);

  1185.                             pData->postponeRtEvent(kPluginPostRtEventParameterChange, static_cast<int32_t>(k), 0, value);

  1186.                         }

  1187. 

  1188.                         if ((pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0 && ctrlEvent.param <= 0x5F)

  1189.                         {

  1190.                             fluid_synth_cc(fSynth, event.channel, ctrlEvent.param, ctrlEvent.value*127.0f);

  1191.                         }

  1192. 

  1193.                         break;

  1194.                     }

  1195. 

  1196.                     case kEngineControlEventTypeMidiBank:

  1197.                         if (event.channel < MAX_MIDI_CHANNELS && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1198.                             nextBankIds[event.channel] = ctrlEvent.param;

  1199.                         break;

  1200. 

  1201.                     case kEngineControlEventTypeMidiProgram:

  1202.                         if (event.channel < MAX_MIDI_CHANNELS && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1203.                         {

  1204.                             const uint32_t bankId(nextBankIds[event.channel]);

  1205.                             const uint32_t progId(ctrlEvent.param);

  1206. 

  1207.                             for (k=0; k < pData->midiprog.count; ++k)

  1208.                             {

  1209.                                 if (pData->midiprog.data[k].bank == bankId && pData->midiprog.data[k].program == progId)

  1210.                                 {

  1211.                                     fluid_synth_program_select(fSynth, event.channel, fSynthId, bankId, progId);

  1212.                                     fCurMidiProgs[event.channel] = k;

  1213. 

  1214.                                     if (event.channel == pData->ctrlChannel)

  1215.                                         pData->postponeRtEvent(kPluginPostRtEventMidiProgramChange, k, 0, 0.0f);

  1216. 

  1217.                                     break;

  1218.                                 }

  1219.                             }

  1220.                         }

  1221.                         break;

  1222. 

  1223.                     case kEngineControlEventTypeAllSoundOff:

  1224.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1225.                         {

  1226. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1227.                             fluid_synth_all_sounds_off(fSynth, event.channel);

  1228. #else

  1229.                             fluid_synth_cc(fSynth, event.channel, MIDI_CONTROL_ALL_SOUND_OFF, 0);

  1230. #endif

  1231.                         }

  1232.                         break;

  1233. 

  1234.                     case kEngineControlEventTypeAllNotesOff:

  1235.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1236.                         {

  1237.                             if (event.channel == pData->ctrlChannel && ! allNotesOffSent)

  1238.                             {

  1239.                                 allNotesOffSent = true;

  1240.                                 sendMidiAllNotesOffToCallback();

  1241.                             }

  1242. 

  1243. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1244.                             fluid_synth_all_notes_off(fSynth, event.channel);

  1245. #else

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

  1247. #endif

  1248.                         }

  1249.                         break;

  1250.                     }

  1251. 

  1252.                     break;

  1253.                 }

  1254. 

  1255.                 case kEngineEventTypeMidi:

  1256.                 {

  1257.                     const EngineMidiEvent& midiEvent(event.midi);

  1258. 

  1259.                     uint8_t status  = MIDI_GET_STATUS_FROM_DATA(midiEvent.data);

  1260.                     uint8_t channel = event.channel;

  1261. 

  1262.                     // Fix bad note-off

  1263.                     if (MIDI_IS_STATUS_NOTE_ON(status) && midiEvent.data[2] == 0)

  1264.                         status -= 0x10;

  1265. 

  1266.                     if (MIDI_IS_STATUS_NOTE_OFF(status))

  1267.                     {

  1268.                         const uint8_t note = midiEvent.data[1];

  1269. 

  1270.                         fluid_synth_noteoff(fSynth, channel, note);

  1271. 

  1272.                         pData->postponeRtEvent(kPluginPostRtEventNoteOff, channel, note, 0.0f);

  1273.                     }

  1274.                     else if (MIDI_IS_STATUS_NOTE_ON(status))

  1275.                     {

  1276.                         const uint8_t note = midiEvent.data[1];

  1277.                         const uint8_t velo = midiEvent.data[2];

  1278. 

  1279.                         fluid_synth_noteon(fSynth, channel, note, velo);

  1280. 

  1281.                         pData->postponeRtEvent(kPluginPostRtEventNoteOn, channel, note, velo);

  1282.                     }

  1283.                     else if (MIDI_IS_STATUS_POLYPHONIC_AFTERTOUCH(status) && (pData->options & PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH) != 0)

  1284.                     {

  1285.                         //const uint8_t note     = midiEvent.data[1];

  1286.                         //const uint8_t pressure = midiEvent.data[2];

  1287. 

  1288.                         // TODO, not in fluidsynth API

  1289.                     }

  1290.                     else if (MIDI_IS_STATUS_CONTROL_CHANGE(status) && (pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0)

  1291.                     {

  1292.                         const uint8_t control = midiEvent.data[1];

  1293.                         const uint8_t value   = midiEvent.data[2];

  1294. 

  1295.                         fluid_synth_cc(fSynth, channel, control, value);

  1296.                     }

  1297.                     else if (MIDI_IS_STATUS_CHANNEL_PRESSURE(status) && (pData->options & PLUGIN_OPTION_SEND_CHANNEL_PRESSURE) != 0)

  1298.                     {

  1299.                         const uint8_t pressure = midiEvent.data[1];

  1300. 

  1301.                         fluid_synth_channel_pressure(fSynth, channel, pressure);;

  1302.                     }

  1303.                     else if (MIDI_IS_STATUS_PITCH_WHEEL_CONTROL(status) && (pData->options & PLUGIN_OPTION_SEND_PITCHBEND) != 0)

  1304.                     {

  1305.                         const uint8_t lsb = midiEvent.data[1];

  1306.                         const uint8_t msb = midiEvent.data[2];

  1307. 

  1308.                         fluid_synth_pitch_bend(fSynth, channel, (msb << 7) | lsb);

  1309.                     }

  1310. 

  1311.                     break;

  1312.                 }

  1313.                 }

  1314.             }

  1315. 

  1316.             pData->postRtEvents.trySplice();

  1317. 

  1318.             if (frames > timeOffset)

  1319.                 processSingle(outBuffer, frames - timeOffset, timeOffset);

  1320. 

  1321.         } // End of Event Input and Processing

  1322. 

  1323.         CARLA_PROCESS_CONTINUE_CHECK;

  1324. 

  1325.         // --------------------------------------------------------------------------------------------------------

  1326.         // Control Output

  1327. 

  1328.         {

  1329.             k = FluidSynthVoiceCount;

  1330.             fParamBuffers[k] = fluid_synth_get_active_voice_count(fSynth);

  1331.             pData->param.ranges[k].fixValue(fParamBuffers[k]);

  1332. 

  1333.             if (pData->param.data[k].midiCC > 0)

  1334.             {

  1335.                 float value(pData->param.ranges[k].getNormalizedValue(fParamBuffers[k]));

  1336.                 pData->event.portOut->writeControlEvent(0, pData->param.data[k].midiChannel, kEngineControlEventTypeParameter, pData->param.data[k].midiCC, value);

  1337.             }

  1338. 

  1339.         } // End of Control Output

  1340.     }

  1341. 

  1342.     bool processSingle(float** const outBuffer, const uint32_t frames, const uint32_t timeOffset)

  1343.     {

  1344.         CARLA_SAFE_ASSERT_RETURN(outBuffer != nullptr, false);

  1345.         CARLA_SAFE_ASSERT_RETURN(frames > 0, false);

  1346. 

  1347.         uint32_t i, k;

  1348. 

  1349.         // --------------------------------------------------------------------------------------------------------

  1350.         // Try lock, silence otherwise

  1351. 

  1352.         if (pData->engine->isOffline())

  1353.         {

  1354.             pData->singleMutex.lock();

  1355.         }

  1356.         else if (! pData->singleMutex.tryLock())

  1357.         {

  1358.             for (i=0; i < pData->audioOut.count; ++i)

  1359.             {

  1360.                 for (k=0; k < frames; ++k)

  1361.                     outBuffer[i][k+timeOffset] = 0.0f;

  1362.             }

  1363. 

  1364.             return false;

  1365.         }

  1366. 

  1367.         // --------------------------------------------------------------------------------------------------------

  1368.         // Fill plugin buffers and Run plugin

  1369. 

  1370.         if (kUses16Outs)

  1371.         {

  1372.             for (i=0; i < pData->audioOut.count; ++i)

  1373.             {

  1374. #ifdef USE_JUCE

  1375.                 FloatVectorOperations::clear(fAudio16Buffers[i], frames);

  1376. #else

  1377. #endif

  1378.             }

  1379. 

  1380.             fluid_synth_process(fSynth, frames, 0, nullptr, pData->audioOut.count, fAudio16Buffers);

  1381.         }

  1382.         else

  1383.             fluid_synth_write_float(fSynth, frames, outBuffer[0] + timeOffset, 0, 1, outBuffer[1] + timeOffset, 0, 1);

  1384. 

  1385. #ifndef BUILD_BRIDGE

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

  1387.         // Post-processing (volume and balance)

  1388. 

  1389.         {

  1390.             // note - balance not possible with kUses16Outs, so we can safely skip fAudioOutBuffers

  1391.             const bool doVolume  = (pData->hints & PLUGIN_CAN_VOLUME) > 0 && pData->postProc.volume != 1.0f;

  1392.             const bool doBalance = (pData->hints & PLUGIN_CAN_BALANCE) > 0 && (pData->postProc.balanceLeft != -1.0f || pData->postProc.balanceRight != 1.0f);

  1393. 

  1394.             float oldBufLeft[doBalance ? frames : 1];

  1395. 

  1396.             for (i=0; i < pData->audioOut.count; ++i)

  1397.             {

  1398.                 // Balance

  1399.                 if (doBalance)

  1400.                 {

  1401.                     if (i % 2 == 0)

  1402.                     {

  1403. #ifdef USE_JUCE

  1404.                         FloatVectorOperations::copy(oldBufLeft, outBuffer[i]+timeOffset, frames);

  1405. #else

  1406. #endif

  1407.                     }

  1408. 

  1409.                     float balRangeL = (pData->postProc.balanceLeft  + 1.0f)/2.0f;

  1410.                     float balRangeR = (pData->postProc.balanceRight + 1.0f)/2.0f;

  1411. 

  1412.                     for (k=0; k < frames; ++k)

  1413.                     {

  1414.                         if (i % 2 == 0)

  1415.                         {

  1416.                             // left

  1417.                             outBuffer[i][k+timeOffset]  = oldBufLeft[k]                * (1.0f - balRangeL);

  1418.                             outBuffer[i][k+timeOffset] += outBuffer[i+1][k+timeOffset] * (1.0f - balRangeR);

  1419.                         }

  1420.                         else

  1421.                         {

  1422.                             // right

  1423.                             outBuffer[i][k+timeOffset]  = outBuffer[i][k+timeOffset] * balRangeR;

  1424.                             outBuffer[i][k+timeOffset] += oldBufLeft[k]              * balRangeL;

  1425.                         }

  1426.                     }

  1427.                 }

  1428. 

  1429.                 // Volume

  1430.                 if (kUses16Outs)

  1431.                 {

  1432.                     for (k=0; k < frames; ++k)

  1433.                         outBuffer[i][k+timeOffset] = fAudio16Buffers[i][k] * pData->postProc.volume;

  1434.                 }

  1435.                 else if (doVolume)

  1436.                 {

  1437.                     for (k=0; k < frames; ++k)

  1438.                         outBuffer[i][k+timeOffset] *= pData->postProc.volume;

  1439.                 }

  1440.             }

  1441. 

  1442.         } // End of Post-processing

  1443. #else

  1444.         if (kUses16Outs)

  1445.         {

  1446.             for (i=0; i < pData->audioOut.count; ++i)

  1447.             {

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

  1449.                     outBuffer[i][k+timeOffset] = fAudio16Buffers[i][k];

  1450.             }

  1451.         }

  1452. #endif

  1453. 

  1454.         // --------------------------------------------------------------------------------------------------------

  1455. 

  1456.         pData->singleMutex.unlock();

  1457.         return true;

  1458.     }

  1459. 

  1460.     void bufferSizeChanged(const uint32_t newBufferSize) override

  1461.     {

  1462.         if (! kUses16Outs)

  1463.             return;

  1464. 

  1465.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1466.         {

  1467.             if (fAudio16Buffers[i] != nullptr)

  1468.                 delete[] fAudio16Buffers[i];

  1469.             fAudio16Buffers[i] = new float[newBufferSize];

  1470.         }

  1471.     }

  1472. 

  1473.     // -------------------------------------------------------------------

  1474.     // Plugin buffers

  1475. 

  1476.     void clearBuffers() override

  1477.     {

  1478.         carla_debug("FluidSynthPlugin::clearBuffers() - start");

  1479. 

  1480.         if (fAudio16Buffers != nullptr)

  1481.         {

  1482.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1483.             {

  1484.                 if (fAudio16Buffers[i] != nullptr)

  1485.                 {

  1486.                     delete[] fAudio16Buffers[i];

  1487.                     fAudio16Buffers[i] = nullptr;

  1488.                 }

  1489.             }

  1490. 

  1491.             delete[] fAudio16Buffers;

  1492.             fAudio16Buffers = nullptr;

  1493.         }

  1494. 

  1495.         CarlaPlugin::clearBuffers();

  1496. 

  1497.         carla_debug("FluidSynthPlugin::clearBuffers() - end");

  1498.     }

  1499. 

  1500.     // -------------------------------------------------------------------

  1501. 

  1502.     const void* getExtraStuff() const noexcept override

  1503.     {

  1504.         return kUses16Outs ? (const void*)0x1 : nullptr;

  1505.     }

  1506. 

  1507.     bool init(const char* const filename, const char* const name, const char* const label)

  1508.     {

  1509.         CARLA_ASSERT(fSynth != nullptr);

  1510.         CARLA_ASSERT(filename != nullptr);

  1511.         CARLA_ASSERT(label != nullptr);

  1512. 

  1513.         // ---------------------------------------------------------------

  1514.         // first checks

  1515. 

  1516.         if (pData->engine == nullptr)

  1517.         {

  1518.             return false;

  1519.         }

  1520. 

  1521.         if (pData->client != nullptr)

  1522.         {

  1523.             pData->engine->setLastError("Plugin client is already registered");

  1524.             return false;

  1525.         }

  1526. 

  1527.         if (fSynth == nullptr)

  1528.         {

  1529.             pData->engine->setLastError("null synth");

  1530.             return false;

  1531.         }

  1532. 

  1533.         if (filename == nullptr)

  1534.         {

  1535.             pData->engine->setLastError("null filename");

  1536.             return false;

  1537.         }

  1538. 

  1539.         if (label == nullptr)

  1540.         {

  1541.             pData->engine->setLastError("null label");

  1542.             return false;

  1543.         }

  1544. 

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

  1546.         // open soundfont

  1547. 

  1548.         fSynthId = fluid_synth_sfload(fSynth, filename, 0);

  1549. 

  1550.         if (fSynthId < 0)

  1551.         {

  1552.             pData->engine->setLastError("Failed to load SoundFont file");

  1553.             return false;

  1554.         }

  1555. 

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

  1557.         // get info

  1558. 

  1559.         pData->filename = filename;

  1560.         fLabel          = label;

  1561. 

  1562.         if (kUses16Outs && ! fLabel.endsWith(" (16 outs)"))

  1563.             fLabel += " (16 outs)";

  1564. 

  1565.         if (name != nullptr)

  1566.             pData->name = pData->engine->getUniquePluginName(name);

  1567.         else

  1568.             pData->name = pData->engine->getUniquePluginName(label);

  1569. 

  1570.         // ---------------------------------------------------------------

  1571.         // register client

  1572. 

  1573.         pData->client = pData->engine->addClient(this);

  1574. 

  1575.         if (pData->client == nullptr || ! pData->client->isOk())

  1576.         {

  1577.             pData->engine->setLastError("Failed to register plugin client");

  1578.             return false;

  1579.         }

  1580. 

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

  1582.         // load plugin settings

  1583. 

  1584.         {

  1585.             // set default options

  1586.             pData->options = 0x0;

  1587. 

  1588.             pData->options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  1589.             pData->options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  1590.             pData->options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  1591.             pData->options |= PLUGIN_OPTION_SEND_PITCHBEND;

  1592.             pData->options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  1593. 

  1594.             // load settings

  1595.             pData->idStr  = "SF2/";

  1596.             pData->idStr += label;

  1597.             pData->options = pData->loadSettings(pData->options, getOptionsAvailable());

  1598.         }

  1599. 

  1600.         return true;

  1601.     }

  1602. 

  1603. private:

  1604.     enum FluidSynthInputParameters {

  1605.         FluidSynthReverbOnOff    = 0,

  1606.         FluidSynthReverbRoomSize = 1,

  1607.         FluidSynthReverbDamp     = 2,

  1608.         FluidSynthReverbLevel    = 3,

  1609.         FluidSynthReverbWidth    = 4,

  1610.         FluidSynthChorusOnOff    = 5,

  1611.         FluidSynthChorusNr       = 6,

  1612.         FluidSynthChorusLevel    = 7,

  1613.         FluidSynthChorusSpeedHz  = 8,

  1614.         FluidSynthChorusDepthMs  = 9,

  1615.         FluidSynthChorusType     = 10,

  1616.         FluidSynthPolyphony      = 11,

  1617.         FluidSynthInterpolation  = 12,

  1618.         FluidSynthVoiceCount     = 13,

  1619.         FluidSynthParametersMax  = 14

  1620.     };

  1621. 

  1622.     const bool kUses16Outs;

  1623. 

  1624.     CarlaString fLabel;

  1625. 

  1626.     fluid_settings_t* fSettings;

  1627.     fluid_synth_t* fSynth;

  1628.     int fSynthId;

  1629. 

  1630.     float** fAudio16Buffers;

  1631.     float   fParamBuffers[FluidSynthParametersMax];

  1632. 

  1633.     int32_t fCurMidiProgs[MAX_MIDI_CHANNELS];

  1634. 

  1635.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(FluidSynthPlugin)

  1636. };

  1637. 

  1638. CARLA_BACKEND_END_NAMESPACE

  1639. 

  1640. #else // WANT_FLUIDSYNTH

  1641. # warning fluidsynth not available (no SF2 support)

  1642. #endif

  1643. 

  1644. CARLA_BACKEND_START_NAMESPACE

  1645. 

  1646. CarlaPlugin* CarlaPlugin::newSF2(const Initializer& init, const bool use16Outs)

  1647. {

  1648.     carla_debug("CarlaPlugin::newSF2({%p, \"%s\", \"%s\", \"%s\"}, %s)", init.engine, init.filename, init.name, init.label, bool2str(use16Outs));

  1649. 

  1650. #ifdef WANT_FLUIDSYNTH

  1651.     if (! fluid_is_soundfont(init.filename))

  1652.     {

  1653.         init.engine->setLastError("Requested file is not a valid SoundFont");

  1654.         return nullptr;

  1655.     }

  1656. 

  1657.     if (init.engine->getProccessMode() == ENGINE_PROCESS_MODE_CONTINUOUS_RACK && use16Outs)

  1658.     {

  1659.         init.engine->setLastError("Carla's rack mode can only work with Stereo modules, please choose the 2-channel only SoundFont version");

  1660.         return nullptr;

  1661.     }

  1662. 

  1663.     FluidSynthPlugin* const plugin(new FluidSynthPlugin(init.engine, init.id,  use16Outs));

  1664. 

  1665.     if (! plugin->init(init.filename, init.name, init.label))

  1666.     {

  1667.         delete plugin;

  1668.         return nullptr;

  1669.     }

  1670. 

  1671.     plugin->reload();

  1672. 

  1673.     return plugin;

  1674. #else

  1675.     init.engine->setLastError("fluidsynth support not available");

  1676.     return nullptr;

  1677. 

  1678.     // unused

  1679.     (void)use16Outs;

  1680. #endif

  1681. }

  1682. 

  1683. CARLA_BACKEND_END_NAMESPACE