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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. #define FLUIDSYNTH_VERSION_NEW_API (FLUIDSYNTH_VERSION_MAJOR >= 1 && FLUIDSYNTH_VERSION_MINOR >= 1 && FLUIDSYNTH_VERSION_MICRO >= 4)

  25. 

  26. CARLA_BACKEND_START_NAMESPACE

  27. 

  28. #if 0

  29. }

  30. #endif

  31. 

  32. #define FLUID_DEFAULT_POLYPHONY 64

  33. 

  34. class FluidSynthPlugin : public CarlaPlugin

  35. {

  36. public:

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

  38.         : CarlaPlugin(engine, id),

  39.           kUses16Outs(use16Outs),

  40.           fSettings(nullptr),

  41.           fSynth(nullptr),

  42.           fSynthId(-1),

  43. #ifdef CARLA_PROPER_CPP11_SUPPORT

  44.           fAudio16Buffers(nullptr),

  45.           fParamBuffers{0.0f},

  46.           fCurMidiProgs{0}

  47. #else

  48.           fAudio16Buffers(nullptr)

  49. #endif

  50.     {

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

  52. 

  53. #ifndef CARLA_PROPER_CPP11_SUPPORT

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

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

  56. #endif

  57. 

  58.         // create settings

  59.         fSettings = new_fluid_settings();

  60.         CARLA_ASSERT(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_setint(fSettings, "synth.threadsafe-api ", 0);

  67. 

  68.         // create synth

  69.         fSynth = new_fluid_synth(fSettings);

  70.         CARLA_ASSERT(fSynth != nullptr);

  71. 

  72. #ifdef FLUIDSYNTH_VERSION_NEW_API

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

  74. #endif

  75. 

  76.         // set default values

  77.         fluid_synth_set_reverb_on(fSynth, 0);

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

  79. 

  80.         fluid_synth_set_chorus_on(fSynth, 0);

  81.         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);

  82. 

  83.         fluid_synth_set_polyphony(fSynth, FLUID_DEFAULT_POLYPHONY);

  84.         fluid_synth_set_gain(fSynth, 1.0f);

  85. 

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

  87.             fluid_synth_set_interp_method(fSynth, i, FLUID_INTERP_DEFAULT);

  88.     }

  89. 

  90.     ~FluidSynthPlugin() override

  91.     {

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

  93. 

  94.         pData->singleMutex.lock();

  95.         pData->masterMutex.lock();

  96. 

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

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

  99. 

  100.         if (pData->active)

  101.         {

  102.             deactivate();

  103.             pData->active = false;

  104.         }

  105. 

  106.         delete_fluid_synth(fSynth);

  107.         delete_fluid_settings(fSettings);

  108. 

  109.         clearBuffers();

  110.     }

  111. 

  112.     // -------------------------------------------------------------------

  113.     // Information (base)

  114. 

  115.     PluginType getType() const noexcept override

  116.     {

  117.         return PLUGIN_SF2;

  118.     }

  119. 

  120.     PluginCategory getCategory() const override

  121.     {

  122.         return PLUGIN_CATEGORY_SYNTH;

  123.     }

  124. 

  125.     // -------------------------------------------------------------------

  126.     // Information (count)

  127. 

  128.     uint32_t getParameterScalePointCount(const uint32_t parameterId) const override

  129.     {

  130.         CARLA_ASSERT(parameterId < pData->param.count);

  131. 

  132.         switch (parameterId)

  133.         {

  134.         case FluidSynthChorusType:

  135.             return 2;

  136.         case FluidSynthInterpolation:

  137.             return 4;

  138.         default:

  139.             return 0;

  140.         }

  141.     }

  142. 

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

  144.     // Information (current data)

  145. 

  146.     // nothing

  147. 

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

  149.     // Information (per-plugin data)

  150. 

  151.     unsigned int getAvailableOptions() const override

  152.     {

  153.         unsigned int options = 0x0;

  154. 

  155.         options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  156.         options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  157.         options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  158.         options |= PLUGIN_OPTION_SEND_PITCHBEND;

  159.         options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  160. 

  161.         return options;

  162.     }

  163. 

  164.     float getParameterValue(const uint32_t parameterId) const override

  165.     {

  166.         CARLA_ASSERT(parameterId < pData->param.count);

  167. 

  168.         return fParamBuffers[parameterId];

  169.     }

  170. 

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

  172.     {

  173.         CARLA_ASSERT(parameterId < pData->param.count);

  174.         CARLA_ASSERT(scalePointId < getParameterScalePointCount(parameterId));

  175. 

  176.         switch (parameterId)

  177.         {

  178.         case FluidSynthChorusType:

  179.             switch (scalePointId)

  180.             {

  181.             case 0:

  182.                 return FLUID_CHORUS_MOD_SINE;

  183.             case 1:

  184.                 return FLUID_CHORUS_MOD_TRIANGLE;

  185.             default:

  186.                 return FLUID_CHORUS_DEFAULT_TYPE;

  187.             }

  188.         case FluidSynthInterpolation:

  189.             switch (scalePointId)

  190.             {

  191.             case 0:

  192.                 return FLUID_INTERP_NONE;

  193.             case 1:

  194.                 return FLUID_INTERP_LINEAR;

  195.             case 2:

  196.                 return FLUID_INTERP_4THORDER;

  197.             case 3:

  198.                 return FLUID_INTERP_7THORDER;

  199.             default:

  200.                 return FLUID_INTERP_DEFAULT;

  201.             }

  202.         default:

  203.             return 0.0f;

  204.         }

  205.     }

  206. 

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

  208.     {

  209.         if (fLabel.isNotEmpty())

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

  211.         else

  212.             CarlaPlugin::getLabel(strBuf);

  213.     }

  214. 

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

  216.     {

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

  218.     }

  219. 

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

  221.     {

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

  223.     }

  224. 

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

  226.     {

  227.         getLabel(strBuf);

  228.     }

  229. 

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

  231.     {

  232.         CARLA_ASSERT(parameterId < pData->param.count);

  233. 

  234.         switch (parameterId)

  235.         {

  236.         case FluidSynthReverbOnOff:

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

  238.             break;

  239.         case FluidSynthReverbRoomSize:

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

  241.             break;

  242.         case FluidSynthReverbDamp:

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

  244.             break;

  245.         case FluidSynthReverbLevel:

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

  247.             break;

  248.         case FluidSynthReverbWidth:

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

  250.             break;

  251.         case FluidSynthChorusOnOff:

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

  253.             break;

  254.         case FluidSynthChorusNr:

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

  256.             break;

  257.         case FluidSynthChorusLevel:

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

  259.             break;

  260.         case FluidSynthChorusSpeedHz:

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

  262.             break;

  263.         case FluidSynthChorusDepthMs:

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

  265.             break;

  266.         case FluidSynthChorusType:

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

  268.             break;

  269.         case FluidSynthPolyphony:

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

  271.             break;

  272.         case FluidSynthInterpolation:

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

  274.             break;

  275.         case FluidSynthVoiceCount:

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

  277.             break;

  278.         default:

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

  280.             break;

  281.         }

  282.     }

  283. 

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

  285.     {

  286.         CARLA_ASSERT(parameterId < pData->param.count);

  287. 

  288.         switch (parameterId)

  289.         {

  290.         case FluidSynthChorusSpeedHz:

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

  292.             break;

  293.         case FluidSynthChorusDepthMs:

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

  295.             break;

  296.         default:

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

  298.             break;

  299.         }

  300.     }

  301. 

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

  303.     {

  304.         CARLA_ASSERT(parameterId < pData->param.count);

  305.         CARLA_ASSERT(scalePointId < getParameterScalePointCount(parameterId));

  306. 

  307.         switch (parameterId)

  308.         {

  309.         case FluidSynthChorusType:

  310.             switch (scalePointId)

  311.             {

  312.             case 0:

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

  314.                 return;

  315.             case 1:

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

  317.                 return;

  318.             }

  319.         case FluidSynthInterpolation:

  320.             switch (scalePointId)

  321.             {

  322.             case 0:

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

  324.                 return;

  325.             case 1:

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

  327.                 return;

  328.             case 2:

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

  330.                 return;

  331.             case 3:

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

  333.                 return;

  334.             }

  335.         }

  336. 

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

  338.     }

  339. 

  340.     // -------------------------------------------------------------------

  341.     // Set data (state)

  342. 

  343.     void prepareForSave() override

  344.     {

  345.         CARLA_ASSERT(fSynth != nullptr);

  346. 

  347.         char strBuf[STR_MAX+1];

  348.         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],

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

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

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

  352. 

  353.         CarlaPlugin::setCustomData(CUSTOM_DATA_STRING, "midiPrograms", strBuf, false);

  354.     }

  355. 

  356.     // -------------------------------------------------------------------

  357.     // Set data (internal stuff)

  358. 

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

  360.     {

  361.         if (channel < MAX_MIDI_CHANNELS)

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

  363. 

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

  365.     }

  366. 

  367.     // -------------------------------------------------------------------

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

  369. 

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

  371.     {

  372.         CARLA_ASSERT(parameterId < pData->param.count);

  373. 

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

  375.         fParamBuffers[parameterId] = fixedValue;

  376. 

  377.         {

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

  379. 

  380.             switch (parameterId)

  381.             {

  382.             case FluidSynthReverbOnOff:

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

  384.                 break;

  385. 

  386.             case FluidSynthReverbRoomSize:

  387.             case FluidSynthReverbDamp:

  388.             case FluidSynthReverbLevel:

  389.             case FluidSynthReverbWidth:

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

  391.                 break;

  392. 

  393.             case FluidSynthChorusOnOff:

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

  395.                 break;

  396. 

  397.             case FluidSynthChorusNr:

  398.             case FluidSynthChorusLevel:

  399.             case FluidSynthChorusSpeedHz:

  400.             case FluidSynthChorusDepthMs:

  401.             case FluidSynthChorusType:

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

  403.                 break;

  404. 

  405.             case FluidSynthPolyphony:

  406.                 fluid_synth_set_polyphony(fSynth, value);

  407.                 break;

  408. 

  409.             case FluidSynthInterpolation:

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

  411.                     fluid_synth_set_interp_method(fSynth, i, value);

  412.                 break;

  413. 

  414.             default:

  415.                 break;

  416.             }

  417.         }

  418. 

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

  420.     }

  421. 

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

  423.     {

  424.         CARLA_ASSERT(fSynth != nullptr);

  425.         CARLA_ASSERT(type != nullptr);

  426.         CARLA_ASSERT(key != nullptr);

  427.         CARLA_ASSERT(value != nullptr);

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

  429. 

  430.         if (type == nullptr)

  431.             return carla_stderr2("DssiPlugin::setCustomData(\"%s\", \"%s\", \"%s\", %s) - type is invalid", type, key, value, bool2str(sendGui));

  432. 

  433.         if (std::strcmp(type, CUSTOM_DATA_STRING) != 0)

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

  435. 

  436.         if (key == nullptr)

  437.             return carla_stderr2("DssiPlugin::setCustomData(\"%s\", \"%s\", \"%s\", %s) - key is null", type, key, value, bool2str(sendGui));

  438. 

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

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

  441. 

  442.         if (value == nullptr)

  443.             return carla_stderr2("DssiPlugin::setCustomData(\"%s\", \"%s\", \"%s\", %s) - value is null", type, key, value, bool2str(sendGui));

  444. 

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

  446. //

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

  448. //         {

  449. //             uint i = 0;

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

  451. //             {

  452. //                 bool ok;

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

  454. //

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

  456. //                 {

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

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

  459. //

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

  461. //                     fCurMidiProgs[i] = index;

  462. //

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

  464. //                     {

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

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

  467. //                     }

  468. //                 }

  469. //

  470. //                 ++i;

  471. //             }

  472. //         }

  473. 

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

  475.     }

  476. 

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

  478.     {

  479.         CARLA_ASSERT(fSynth != nullptr);

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

  481. 

  482.         if (index < -1)

  483.             index = -1;

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

  485.             return;

  486. 

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

  488.             return;

  489. 

  490.         if (index >= 0)

  491.         {

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

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

  494. 

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

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

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

  498.         }

  499. 

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

  501.     }

  502. 

  503.     // -------------------------------------------------------------------

  504.     // Set gui stuff

  505. 

  506.     // nothing

  507. 

  508.     // -------------------------------------------------------------------

  509.     // Plugin state

  510. 

  511.     void reload() override

  512.     {

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

  514.         CARLA_SAFE_ASSERT_RETURN(fSynth != nullptr,);

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

  516. 

  517.         const ProcessMode processMode(pData->engine->getProccessMode());

  518. 

  519.         // Safely disable plugin for reload

  520.         const ScopedDisabler sd(this);

  521. 

  522.         if (pData->active)

  523.             deactivate();

  524. 

  525.         clearBuffers();

  526. 

  527.         uint32_t aOuts, params, j;

  528.         aOuts  = kUses16Outs ? 32 : 2;

  529.         params = FluidSynthParametersMax;

  530. 

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

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

  533. 

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

  535.         CarlaString portName;

  536. 

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

  538.         // Audio Outputs

  539. 

  540.         if (kUses16Outs)

  541.         {

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

  543.             {

  544.                 portName.clear();

  545. 

  546.                 if (processMode == PROCESS_MODE_SINGLE_CLIENT)

  547.                 {

  548.                     portName  = fName;

  549.                     portName += ":";

  550.                 }

  551. 

  552.                 portName += "out-";

  553. 

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

  555.                     portName += "0";

  556. 

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

  558. 

  559.                 if (j % 2 == 0)

  560.                     portName += "L";

  561.                 else

  562.                     portName += "R";

  563. 

  564.                 portName.truncate(portNameSize);

  565. 

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

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

  568.             }

  569. 

  570.             fAudio16Buffers = new float*[aOuts];

  571. 

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

  573.                 fAudio16Buffers[j] = nullptr;

  574.         }

  575.         else

  576.         {

  577.             // out-left

  578.             portName.clear();

  579. 

  580.             if (processMode == PROCESS_MODE_SINGLE_CLIENT)

  581.             {

  582.                 portName  = fName;

  583.                 portName += ":";

  584.             }

  585. 

  586.             portName += "out-left";

  587.             portName.truncate(portNameSize);

  588. 

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

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

  591. 

  592.             // out-right

  593.             portName.clear();

  594. 

  595.             if (processMode == PROCESS_MODE_SINGLE_CLIENT)

  596.             {

  597.                 portName  = fName;

  598.                 portName += ":";

  599.             }

  600. 

  601.             portName += "out-right";

  602.             portName.truncate(portNameSize);

  603. 

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

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

  606.         }

  607. 

  608.         // ---------------------------------------

  609.         // Event Input

  610. 

  611.         {

  612.             portName.clear();

  613. 

  614.             if (processMode == PROCESS_MODE_SINGLE_CLIENT)

  615.             {

  616.                 portName  = fName;

  617.                 portName += ":";

  618.             }

  619. 

  620.             portName += "event-in";

  621.             portName.truncate(portNameSize);

  622. 

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

  624.         }

  625. 

  626.         // ---------------------------------------

  627.         // Event Output

  628. 

  629.         {

  630.             portName.clear();

  631. 

  632.             if (processMode == PROCESS_MODE_SINGLE_CLIENT)

  633.             {

  634.                 portName  = fName;

  635.                 portName += ":";

  636.             }

  637. 

  638.             portName += "event-out";

  639.             portName.truncate(portNameSize);

  640. 

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

  642.         }

  643. 

  644.         // ----------------------

  645.         j = FluidSynthReverbOnOff;

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

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

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

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

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

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

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

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

  654.         pData->param.ranges[j].def = 0.0f; // off

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

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

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

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

  659. 

  660.         // ----------------------

  661.         j = FluidSynthReverbRoomSize;

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

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

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

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

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

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

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

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

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

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

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

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

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

  675. 

  676.         // ----------------------

  677.         j = FluidSynthReverbDamp;

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

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

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

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

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

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

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

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

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

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

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

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

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

  691. 

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

  693.         j = FluidSynthReverbLevel;

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

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

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

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

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

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

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

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

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

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

  707. 

  708.         // ----------------------

  709.         j = FluidSynthReverbWidth;

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

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

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

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

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

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

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

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

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

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

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

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

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

  723. 

  724.         // ----------------------

  725.         j = FluidSynthChorusOnOff;

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

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

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

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

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

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

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

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

  734.         pData->param.ranges[j].def = 0.0f; // off

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

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

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

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

  739. 

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

  741.         j = FluidSynthChorusNr;

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

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

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

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

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

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

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

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

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

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

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

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

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

  755. 

  756.         // ----------------------

  757.         j = FluidSynthChorusLevel;

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

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

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

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

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

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

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

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

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

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

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

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

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

  771. 

  772.         // ----------------------

  773.         j = FluidSynthChorusSpeedHz;

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

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

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

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

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

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

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

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

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

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

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

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

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

  787. 

  788.         // ----------------------

  789.         j = FluidSynthChorusDepthMs;

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

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

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

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

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

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

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

  797.         pData->param.ranges[j].max = 2048000.0 / pData->engine->getSampleRate();

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

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

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

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

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

  803. 

  804.         // ----------------------

  805.         j = FluidSynthChorusType;

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

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

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

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

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

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

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

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

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

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

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

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

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

  819. 

  820.         // ----------------------

  821.         j = FluidSynthPolyphony;

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

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

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

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

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

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

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

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

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

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

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

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

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

  835. 

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

  837.         j = FluidSynthInterpolation;

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

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

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

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

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

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

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

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

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

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

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

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

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

  851. 

  852.         // ----------------------

  853.         j = FluidSynthVoiceCount;

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

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

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

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

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

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

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

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

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

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

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

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

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

  867. 

  868.         // ---------------------------------------

  869. 

  870.         // plugin hints

  871.         fHints  = 0x0;

  872.         //fHints |= PLUGIN_IS_SYNTH;

  873.         fHints |= PLUGIN_CAN_VOLUME;

  874.         fHints |= PLUGIN_CAN_BALANCE;

  875. 

  876.         // extra plugin hints

  877.         pData->extraHints  = 0x0;

  878.         pData->extraHints |= PLUGIN_EXTRA_HINT_HAS_MIDI_IN;

  879.         pData->extraHints |= PLUGIN_EXTRA_HINT_CAN_RUN_RACK;

  880. 

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

  882.         reloadPrograms(true);

  883. 

  884.         if (pData->active)

  885.             activate();

  886. 

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

  888.     }

  889. 

  890.     void reloadPrograms(const bool init) override

  891.     {

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

  893. 

  894.         // Delete old programs

  895.         pData->midiprog.clear();

  896. 

  897.         // Query new programs

  898.         uint32_t count = 0;

  899.         fluid_sfont_t* f_sfont;

  900.         fluid_preset_t f_preset;

  901. 

  902.         bool hasDrums = false;

  903.         uint32_t drumIndex, drumProg;

  904. 

  905.         f_sfont = fluid_synth_get_sfont_by_id(fSynth, fSynthId);

  906. 

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

  908.         f_sfont->iteration_start(f_sfont);

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

  910.             count += 1;

  911. 

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

  913.         CARLA_ASSERT(count > 0);

  914. 

  915.         if (count == 0)

  916.             return;

  917. 

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

  919. 

  920.         // Update data

  921.         uint32_t i = 0;

  922.         f_sfont->iteration_start(f_sfont);

  923. 

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

  925.         {

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

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

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

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

  930. 

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

  932.             {

  933.                 hasDrums  = true;

  934.                 drumIndex = i;

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

  936.             }

  937. 

  938.             ++i;

  939.         }

  940. 

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

  942. 

  943. #ifndef BUILD_BRIDGE

  944.         // Update OSC Names

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

  946.         {

  947.             pData->engine->oscSend_control_set_midi_program_count(fId, count);

  948. 

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

  950.                 pData->engine->oscSend_control_set_midi_program_data(fId, i, pData->midiprog.data[i].bank, pData->midiprog.data[i].program, pData->midiprog.data[i].name);

  951.         }

  952. #endif

  953. 

  954.         if (init)

  955.         {

  956.             fluid_synth_program_reset(fSynth);

  957. 

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

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

  960.             {

  961. #ifdef FLUIDSYNTH_VERSION_NEW_API

  962.                 fluid_synth_set_channel_type(fSynth, i, CHANNEL_TYPE_MELODIC);

  963. #endif

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

  965. 

  966.                 fCurMidiProgs[i] = 0;

  967.             }

  968. 

  969.             if (hasDrums)

  970.             {

  971. #ifdef FLUIDSYNTH_VERSION_NEW_API

  972.                 fluid_synth_set_channel_type(fSynth, 9, CHANNEL_TYPE_DRUM);

  973. #endif

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

  975. 

  976.                 fCurMidiProgs[9] = drumIndex;

  977.             }

  978.             else

  979.             {

  980. #ifdef FLUIDSYNTH_VERSION_NEW_API

  981.                 fluid_synth_set_channel_type(fSynth, 9, CHANNEL_TYPE_MELODIC);

  982. #endif

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

  984. 

  985.                 fCurMidiProgs[9] = 0;

  986.             }

  987. 

  988.             pData->midiprog.current = 0;

  989.         }

  990.         else

  991.         {

  992.             pData->engine->callback(CALLBACK_RELOAD_PROGRAMS, fId, 0, 0, 0.0f, nullptr);

  993.         }

  994.     }

  995. 

  996.     // -------------------------------------------------------------------

  997.     // Plugin processing

  998. 

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

  1000.     {

  1001.         uint32_t i, k;

  1002. 

  1003.         // --------------------------------------------------------------------------------------------------------

  1004.         // Check if active

  1005. 

  1006.         if (! pData->active)

  1007.         {

  1008.             // disable any output sound

  1009.             for (i=0; i < pData->audioOut.count; ++i)

  1010.                 FloatVectorOperations::clear(outBuffer[i], frames);

  1011. 

  1012.             return;

  1013.         }

  1014. 

  1015.         // --------------------------------------------------------------------------------------------------------

  1016.         // Check if needs reset

  1017. 

  1018.         if (pData->needsReset)

  1019.         {

  1020.             if (fOptions & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1021.             {

  1022.                 for (int c=0; c < MAX_MIDI_CHANNELS; ++c)

  1023.                 {

  1024. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1025.                     fluid_synth_all_notes_off(fSynth, c);

  1026.                     fluid_synth_all_sounds_off(fSynth, c);

  1027. #else

  1028.                     fluid_synth_cc(fSynth, c, MIDI_CONTROL_ALL_SOUND_OFF, 0);

  1029.                     fluid_synth_cc(fSynth, c, MIDI_CONTROL_ALL_NOTES_OFF, 0);

  1030. #endif

  1031.                 }

  1032.             }

  1033.             else if (pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1034.             {

  1035.                 for (k=0; k < MAX_MIDI_NOTE; ++k)

  1036.                     fluid_synth_noteoff(fSynth, pData->ctrlChannel, k);

  1037.             }

  1038. 

  1039.             pData->needsReset = false;

  1040.         }

  1041. 

  1042.         // --------------------------------------------------------------------------------------------------------

  1043.         // Event Input and Processing

  1044. 

  1045.         {

  1046.             // ----------------------------------------------------------------------------------------------------

  1047.             // MIDI Input (External)

  1048. 

  1049.             if (pData->extNotes.mutex.tryLock())

  1050.             {

  1051.                 while (! pData->extNotes.data.isEmpty())

  1052.                 {

  1053.                     const ExternalMidiNote& note(pData->extNotes.data.getFirst(true));

  1054. 

  1055.                     CARLA_ASSERT(note.channel >= 0 && note.channel < MAX_MIDI_CHANNELS);

  1056. 

  1057.                     if (note.velo > 0)

  1058.                         fluid_synth_noteon(fSynth, note.channel, note.note, note.velo);

  1059.                     else

  1060.                         fluid_synth_noteoff(fSynth,note.channel, note.note);

  1061.                 }

  1062. 

  1063.                 pData->extNotes.mutex.unlock();

  1064. 

  1065.             } // End of MIDI Input (External)

  1066. 

  1067.             // ----------------------------------------------------------------------------------------------------

  1068.             // Event Input (System)

  1069. 

  1070.             bool allNotesOffSent = false;

  1071. 

  1072.             uint32_t time, nEvents = pData->event.portIn->getEventCount();

  1073.             uint32_t timeOffset = 0;

  1074. 

  1075.             uint32_t nextBankIds[MAX_MIDI_CHANNELS] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 0, 0, 0, 0, 0, 0 };

  1076. 

  1077.             if (pData->midiprog.current >= 0 && pData->midiprog.count > 0 && pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1078.                 nextBankIds[pData->ctrlChannel] = pData->midiprog.data[pData->midiprog.current].bank;

  1079. 

  1080.             for (i=0; i < nEvents; ++i)

  1081.             {

  1082.                 const EngineEvent& event(pData->event.portIn->getEvent(i));

  1083. 

  1084.                 time = event.time;

  1085. 

  1086.                 if (time >= frames)

  1087.                     continue;

  1088. 

  1089.                 CARLA_ASSERT_INT2(time >= timeOffset, time, timeOffset);

  1090. 

  1091.                 if (time > timeOffset)

  1092.                 {

  1093.                     if (processSingle(outBuffer, time - timeOffset, timeOffset))

  1094.                     {

  1095.                         timeOffset = time;

  1096. 

  1097.                         if (pData->midiprog.current >= 0 && pData->midiprog.count > 0 && pData->ctrlChannel >= 0 && pData->ctrlChannel < 16)

  1098.                             nextBankIds[pData->ctrlChannel] = pData->midiprog.data[pData->midiprog.current].bank;

  1099.                     }

  1100.                 }

  1101. 

  1102.                 // Control change

  1103.                 switch (event.type)

  1104.                 {

  1105.                 case kEngineEventTypeNull:

  1106.                     break;

  1107. 

  1108.                 case kEngineEventTypeControl:

  1109.                 {

  1110.                     const EngineControlEvent& ctrlEvent = event.ctrl;

  1111. 

  1112.                     switch (ctrlEvent.type)

  1113.                     {

  1114.                     case kEngineControlEventTypeNull:

  1115.                         break;

  1116. 

  1117.                     case kEngineControlEventTypeParameter:

  1118.                     {

  1119. #ifndef BUILD_BRIDGE

  1120.                         // Control backend stuff

  1121.                         if (event.channel == pData->ctrlChannel)

  1122.                         {

  1123.                             float value;

  1124. 

  1125.                             if (MIDI_IS_CONTROL_BREATH_CONTROLLER(ctrlEvent.param) && (fHints & PLUGIN_CAN_DRYWET) > 0)

  1126.                             {

  1127.                                 value = ctrlEvent.value;

  1128.                                 setDryWet(value, false, false);

  1129.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_DRYWET, 0, value);

  1130.                             }

  1131. 

  1132.                             if (MIDI_IS_CONTROL_CHANNEL_VOLUME(ctrlEvent.param) && (fHints & PLUGIN_CAN_VOLUME) > 0)

  1133.                             {

  1134.                                 value = ctrlEvent.value*127.0f/100.0f;

  1135.                                 setVolume(value, false, false);

  1136.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_VOLUME, 0, value);

  1137.                             }

  1138. 

  1139.                             if (MIDI_IS_CONTROL_BALANCE(ctrlEvent.param) && (fHints & PLUGIN_CAN_BALANCE) > 0)

  1140.                             {

  1141.                                 float left, right;

  1142.                                 value = ctrlEvent.value/0.5f - 1.0f;

  1143. 

  1144.                                 if (value < 0.0f)

  1145.                                 {

  1146.                                     left  = -1.0f;

  1147.                                     right = (value*2.0f)+1.0f;

  1148.                                 }

  1149.                                 else if (value > 0.0f)

  1150.                                 {

  1151.                                     left  = (value*2.0f)-1.0f;

  1152.                                     right = 1.0f;

  1153.                                 }

  1154.                                 else

  1155.                                 {

  1156.                                     left  = -1.0f;

  1157.                                     right = 1.0f;

  1158.                                 }

  1159. 

  1160.                                 setBalanceLeft(left, false, false);

  1161.                                 setBalanceRight(right, false, false);

  1162.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_LEFT, 0, left);

  1163.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_RIGHT, 0, right);

  1164.                             }

  1165.                         }

  1166. #endif

  1167. 

  1168.                         // Control plugin parameters

  1169.                         for (k=0; k < pData->param.count; ++k)

  1170.                         {

  1171.                             if (pData->param.data[k].midiChannel != event.channel)

  1172.                                 continue;

  1173.                             if (pData->param.data[k].midiCC != ctrlEvent.param)

  1174.                                 continue;

  1175.                             if (pData->param.data[k].type != PARAMETER_INPUT)

  1176.                                 continue;

  1177.                             if ((pData->param.data[k].hints & PARAMETER_IS_AUTOMABLE) == 0)

  1178.                                 continue;

  1179. 

  1180.                             float value;

  1181. 

  1182.                             if (pData->param.data[k].hints & PARAMETER_IS_BOOLEAN)

  1183.                             {

  1184.                                 value = (ctrlEvent.value < 0.5f) ? pData->param.ranges[k].min : pData->param.ranges[k].max;

  1185.                             }

  1186.                             else

  1187.                             {

  1188.                                 value = pData->param.ranges[k].getUnnormalizedValue(ctrlEvent.value);

  1189. 

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

  1191.                                     value = std::rint(value);

  1192.                             }

  1193. 

  1194.                             setParameterValue(k, value, false, false, false);

  1195.                             pData->postponeRtEvent(kPluginPostRtEventParameterChange, static_cast<int32_t>(k), 0, value);

  1196.                         }

  1197. 

  1198.                         if ((fOptions & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0 && ctrlEvent.param <= 0x5F)

  1199.                         {

  1200.                             fluid_synth_cc(fSynth, event.channel, ctrlEvent.param, ctrlEvent.value*127.0f);

  1201.                         }

  1202. 

  1203.                         break;

  1204.                     }

  1205. 

  1206.                     case kEngineControlEventTypeMidiBank:

  1207.                         if (event.channel < MAX_MIDI_CHANNELS && (fOptions & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1208.                             nextBankIds[event.channel] = ctrlEvent.param;

  1209.                         break;

  1210. 

  1211.                     case kEngineControlEventTypeMidiProgram:

  1212.                         if (event.channel < MAX_MIDI_CHANNELS && (fOptions & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1213.                         {

  1214.                             const uint32_t bankId(nextBankIds[event.channel]);

  1215.                             const uint32_t progId(ctrlEvent.param);

  1216. 

  1217.                             for (k=0; k < pData->midiprog.count; ++k)

  1218.                             {

  1219.                                 if (pData->midiprog.data[k].bank == bankId && pData->midiprog.data[k].program == progId)

  1220.                                 {

  1221.                                     fluid_synth_program_select(fSynth, event.channel, fSynthId, bankId, progId);

  1222.                                     fCurMidiProgs[event.channel] = k;

  1223. 

  1224.                                     if (event.channel == pData->ctrlChannel)

  1225.                                         pData->postponeRtEvent(kPluginPostRtEventMidiProgramChange, k, 0, 0.0f);

  1226. 

  1227.                                     break;

  1228.                                 }

  1229.                             }

  1230.                         }

  1231.                         break;

  1232. 

  1233.                     case kEngineControlEventTypeAllSoundOff:

  1234.                         if (fOptions & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1235.                         {

  1236. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1237.                             fluid_synth_all_sounds_off(fSynth, event.channel);

  1238. #else

  1239.                             fluid_synth_cc(fSynth, event.channel, MIDI_CONTROL_ALL_SOUND_OFF, 0);

  1240. #endif

  1241.                         }

  1242.                         break;

  1243. 

  1244.                     case kEngineControlEventTypeAllNotesOff:

  1245.                         if (fOptions & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1246.                         {

  1247.                             if (event.channel == pData->ctrlChannel && ! allNotesOffSent)

  1248.                             {

  1249.                                 allNotesOffSent = true;

  1250.                                 sendMidiAllNotesOffToCallback();

  1251.                             }

  1252. 

  1253. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1254.                             fluid_synth_all_notes_off(fSynth, event.channel);

  1255. #else

  1256.                             fluid_synth_cc(fSynth, event.channel, MIDI_CONTROL_ALL_NOTES_OFF, 0);

  1257. #endif

  1258.                         }

  1259.                         break;

  1260.                     }

  1261. 

  1262.                     break;

  1263.                 }

  1264. 

  1265.                 case kEngineEventTypeMidi:

  1266.                 {

  1267.                     const EngineMidiEvent& midiEvent(event.midi);

  1268. 

  1269.                     uint8_t status  = MIDI_GET_STATUS_FROM_DATA(midiEvent.data);

  1270.                     uint8_t channel = event.channel;

  1271. 

  1272.                     // Fix bad note-off

  1273.                     if (MIDI_IS_STATUS_NOTE_ON(status) && midiEvent.data[2] == 0)

  1274.                         status -= 0x10;

  1275. 

  1276.                     if (MIDI_IS_STATUS_NOTE_OFF(status))

  1277.                     {

  1278.                         const uint8_t note = midiEvent.data[1];

  1279. 

  1280.                         fluid_synth_noteoff(fSynth, channel, note);

  1281. 

  1282.                         pData->postponeRtEvent(kPluginPostRtEventNoteOff, channel, note, 0.0f);

  1283.                     }

  1284.                     else if (MIDI_IS_STATUS_NOTE_ON(status))

  1285.                     {

  1286.                         const uint8_t note = midiEvent.data[1];

  1287.                         const uint8_t velo = midiEvent.data[2];

  1288. 

  1289.                         fluid_synth_noteon(fSynth, channel, note, velo);

  1290. 

  1291.                         pData->postponeRtEvent(kPluginPostRtEventNoteOn, channel, note, velo);

  1292.                     }

  1293.                     else if (MIDI_IS_STATUS_POLYPHONIC_AFTERTOUCH(status) && (fOptions & PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH) != 0)

  1294.                     {

  1295.                         //const uint8_t note     = midiEvent.data[1];

  1296.                         //const uint8_t pressure = midiEvent.data[2];

  1297. 

  1298.                         // TODO, not in fluidsynth API

  1299.                     }

  1300.                     else if (MIDI_IS_STATUS_CONTROL_CHANGE(status) && (fOptions & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0)

  1301.                     {

  1302.                         const uint8_t control = midiEvent.data[1];

  1303.                         const uint8_t value   = midiEvent.data[2];

  1304. 

  1305.                         fluid_synth_cc(fSynth, channel, control, value);

  1306.                     }

  1307.                     else if (MIDI_IS_STATUS_CHANNEL_PRESSURE(status) && (fOptions & PLUGIN_OPTION_SEND_CHANNEL_PRESSURE) != 0)

  1308.                     {

  1309.                         const uint8_t pressure = midiEvent.data[1];

  1310. 

  1311.                         fluid_synth_channel_pressure(fSynth, channel, pressure);;

  1312.                     }

  1313.                     else if (MIDI_IS_STATUS_PITCH_WHEEL_CONTROL(status) && (fOptions & PLUGIN_OPTION_SEND_PITCHBEND) != 0)

  1314.                     {

  1315.                         const uint8_t lsb = midiEvent.data[1];

  1316.                         const uint8_t msb = midiEvent.data[2];

  1317. 

  1318.                         fluid_synth_pitch_bend(fSynth, channel, (msb << 7) | lsb);

  1319.                     }

  1320. 

  1321.                     break;

  1322.                 }

  1323.                 }

  1324.             }

  1325. 

  1326.             pData->postRtEvents.trySplice();

  1327. 

  1328.             if (frames > timeOffset)

  1329.                 processSingle(outBuffer, frames - timeOffset, timeOffset);

  1330. 

  1331.         } // End of Event Input and Processing

  1332. 

  1333.         CARLA_PROCESS_CONTINUE_CHECK;

  1334. 

  1335.         // --------------------------------------------------------------------------------------------------------

  1336.         // Control Output

  1337. 

  1338.         {

  1339.             k = FluidSynthVoiceCount;

  1340.             fParamBuffers[k] = fluid_synth_get_active_voice_count(fSynth);

  1341.             pData->param.ranges[k].fixValue(fParamBuffers[k]);

  1342. 

  1343.             if (pData->param.data[k].midiCC > 0)

  1344.             {

  1345.                 float value(pData->param.ranges[k].getNormalizedValue(fParamBuffers[k]));

  1346.                 pData->event.portOut->writeControlEvent(0, pData->param.data[k].midiChannel, kEngineControlEventTypeParameter, pData->param.data[k].midiCC, value);

  1347.             }

  1348. 

  1349.         } // End of Control Output

  1350.     }

  1351. 

  1352.     bool processSingle(float** const outBuffer, const uint32_t frames, const uint32_t timeOffset)

  1353.     {

  1354.         CARLA_ASSERT(outBuffer != nullptr);

  1355.         CARLA_ASSERT(frames > 0);

  1356. 

  1357.         if (outBuffer == nullptr)

  1358.             return false;

  1359.         if (frames == 0)

  1360.             return false;

  1361. 

  1362.         uint32_t i, k;

  1363. 

  1364.         // --------------------------------------------------------------------------------------------------------

  1365.         // Try lock, silence otherwise

  1366. 

  1367.         if (pData->engine->isOffline())

  1368.         {

  1369.             pData->singleMutex.lock();

  1370.         }

  1371.         else if (! pData->singleMutex.tryLock())

  1372.         {

  1373.             for (i=0; i < pData->audioOut.count; ++i)

  1374.             {

  1375.                 for (k=0; k < frames; ++k)

  1376.                     outBuffer[i][k+timeOffset] = 0.0f;

  1377.             }

  1378. 

  1379.             return false;

  1380.         }

  1381. 

  1382.         // --------------------------------------------------------------------------------------------------------

  1383.         // Fill plugin buffers and Run plugin

  1384. 

  1385.         if (kUses16Outs)

  1386.         {

  1387.             for (i=0; i < pData->audioOut.count; ++i)

  1388.                 FloatVectorOperations::clear(fAudio16Buffers[i], frames);

  1389. 

  1390.             fluid_synth_process(fSynth, frames, 0, nullptr, pData->audioOut.count, fAudio16Buffers);

  1391.         }

  1392.         else

  1393.             fluid_synth_write_float(fSynth, frames, outBuffer[0] + timeOffset, 0, 1, outBuffer[1] + timeOffset, 0, 1);

  1394. 

  1395. #ifndef BUILD_BRIDGE

  1396.         // --------------------------------------------------------------------------------------------------------

  1397.         // Post-processing (volume and balance)

  1398. 

  1399.         {

  1400.             // note - balance not possible with kUses16Outs, so we can safely skip fAudioOutBuffers

  1401.             const bool doVolume  = (fHints & PLUGIN_CAN_VOLUME) > 0 && pData->postProc.volume != 1.0f;

  1402.             const bool doBalance = (fHints & PLUGIN_CAN_BALANCE) > 0 && (pData->postProc.balanceLeft != -1.0f || pData->postProc.balanceRight != 1.0f);

  1403. 

  1404.             float oldBufLeft[doBalance ? frames : 1];

  1405. 

  1406.             for (i=0; i < pData->audioOut.count; ++i)

  1407.             {

  1408.                 // Balance

  1409.                 if (doBalance)

  1410.                 {

  1411.                     if (i % 2 == 0)

  1412.                         FloatVectorOperations::copy(oldBufLeft, outBuffer[i]+timeOffset, frames);

  1413. 

  1414.                     float balRangeL = (pData->postProc.balanceLeft  + 1.0f)/2.0f;

  1415.                     float balRangeR = (pData->postProc.balanceRight + 1.0f)/2.0f;

  1416. 

  1417.                     for (k=0; k < frames; ++k)

  1418.                     {

  1419.                         if (i % 2 == 0)

  1420.                         {

  1421.                             // left

  1422.                             outBuffer[i][k+timeOffset]  = oldBufLeft[k]                * (1.0f - balRangeL);

  1423.                             outBuffer[i][k+timeOffset] += outBuffer[i+1][k+timeOffset] * (1.0f - balRangeR);

  1424.                         }

  1425.                         else

  1426.                         {

  1427.                             // right

  1428.                             outBuffer[i][k+timeOffset]  = outBuffer[i][k+timeOffset] * balRangeR;

  1429.                             outBuffer[i][k+timeOffset] += oldBufLeft[k]              * balRangeL;

  1430.                         }

  1431.                     }

  1432.                 }

  1433. 

  1434.                 // Volume

  1435.                 if (kUses16Outs)

  1436.                 {

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

  1438.                         outBuffer[i][k+timeOffset] = fAudio16Buffers[i][k] * pData->postProc.volume;

  1439.                 }

  1440.                 else if (doVolume)

  1441.                 {

  1442.                     for (k=0; k < frames; ++k)

  1443.                         outBuffer[i][k+timeOffset] *= pData->postProc.volume;

  1444.                 }

  1445.             }

  1446. 

  1447.         } // End of Post-processing

  1448. #else

  1449.         if (kUses16Outs)

  1450.         {

  1451.             for (i=0; i < pData->audioOut.count; ++i)

  1452.             {

  1453.                 for (k=0; k < frames; ++k)

  1454.                     outBuffer[i][k+timeOffset] = fAudio16Buffers[i][k];

  1455.             }

  1456.         }

  1457. #endif

  1458. 

  1459.         // --------------------------------------------------------------------------------------------------------

  1460. 

  1461.         pData->singleMutex.unlock();

  1462.         return true;

  1463.     }

  1464. 

  1465.     void bufferSizeChanged(const uint32_t newBufferSize) override

  1466.     {

  1467.         if (! kUses16Outs)

  1468.             return;

  1469. 

  1470.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1471.         {

  1472.             if (fAudio16Buffers[i] != nullptr)

  1473.                 delete[] fAudio16Buffers[i];

  1474.             fAudio16Buffers[i] = new float[newBufferSize];

  1475.         }

  1476.     }

  1477. 

  1478.     // -------------------------------------------------------------------

  1479.     // Plugin buffers

  1480. 

  1481.     void clearBuffers() override

  1482.     {

  1483.         carla_debug("FluidSynthPlugin::clearBuffers() - start");

  1484. 

  1485.         if (fAudio16Buffers != nullptr)

  1486.         {

  1487.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1488.             {

  1489.                 if (fAudio16Buffers[i] != nullptr)

  1490.                 {

  1491.                     delete[] fAudio16Buffers[i];

  1492.                     fAudio16Buffers[i] = nullptr;

  1493.                 }

  1494.             }

  1495. 

  1496.             delete[] fAudio16Buffers;

  1497.             fAudio16Buffers = nullptr;

  1498.         }

  1499. 

  1500.         CarlaPlugin::clearBuffers();

  1501. 

  1502.         carla_debug("FluidSynthPlugin::clearBuffers() - end");

  1503.     }

  1504. 

  1505.     // -------------------------------------------------------------------

  1506. 

  1507.     const void* getExtraStuff() const noexcept override

  1508.     {

  1509.         return kUses16Outs ? (const void*)0x1 : nullptr;

  1510.     }

  1511. 

  1512.     bool init(const char* const filename, const char* const name, const char* const label)

  1513.     {

  1514.         CARLA_ASSERT(fSynth != nullptr);

  1515.         CARLA_ASSERT(filename != nullptr);

  1516.         CARLA_ASSERT(label != nullptr);

  1517. 

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

  1519.         // first checks

  1520. 

  1521.         if (pData->engine == nullptr)

  1522.         {

  1523.             return false;

  1524.         }

  1525. 

  1526.         if (pData->client != nullptr)

  1527.         {

  1528.             pData->engine->setLastError("Plugin client is already registered");

  1529.             return false;

  1530.         }

  1531. 

  1532.         if (fSynth == nullptr)

  1533.         {

  1534.             pData->engine->setLastError("null synth");

  1535.             return false;

  1536.         }

  1537. 

  1538.         if (filename == nullptr)

  1539.         {

  1540.             pData->engine->setLastError("null filename");

  1541.             return false;

  1542.         }

  1543. 

  1544.         if (label == nullptr)

  1545.         {

  1546.             pData->engine->setLastError("null label");

  1547.             return false;

  1548.         }

  1549. 

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

  1551.         // open soundfont

  1552. 

  1553.         fSynthId = fluid_synth_sfload(fSynth, filename, 0);

  1554. 

  1555.         if (fSynthId < 0)

  1556.         {

  1557.             pData->engine->setLastError("Failed to load SoundFont file");

  1558.             return false;

  1559.         }

  1560. 

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

  1562.         // get info

  1563. 

  1564.         fFilename = filename;

  1565.         fLabel    = label;

  1566. 

  1567.         if (kUses16Outs && ! fLabel.endsWith(" (16 outs)"))

  1568.             fLabel += " (16 outs)";

  1569. 

  1570.         if (name != nullptr)

  1571.             fName = pData->engine->getUniquePluginName(name);

  1572.         else

  1573.             fName = pData->engine->getUniquePluginName(label);

  1574. 

  1575.         // ---------------------------------------------------------------

  1576.         // register client

  1577. 

  1578.         pData->client = pData->engine->addClient(this);

  1579. 

  1580.         if (pData->client == nullptr || ! pData->client->isOk())

  1581.         {

  1582.             pData->engine->setLastError("Failed to register plugin client");

  1583.             return false;

  1584.         }

  1585. 

  1586.         // ---------------------------------------------------------------

  1587.         // load plugin settings

  1588. 

  1589.         {

  1590.             // set default options

  1591.             fOptions = 0x0;

  1592. 

  1593.             fOptions |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  1594.             fOptions |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  1595.             fOptions |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  1596.             fOptions |= PLUGIN_OPTION_SEND_PITCHBEND;

  1597.             fOptions |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  1598. 

  1599.             // load settings

  1600.             pData->idStr  = "SF2/";

  1601.             pData->idStr += label;

  1602.             fOptions = pData->loadSettings(fOptions, getAvailableOptions());

  1603.         }

  1604. 

  1605.         return true;

  1606.     }

  1607. 

  1608. private:

  1609.     enum FluidSynthInputParameters {

  1610.         FluidSynthReverbOnOff    = 0,

  1611.         FluidSynthReverbRoomSize = 1,

  1612.         FluidSynthReverbDamp     = 2,

  1613.         FluidSynthReverbLevel    = 3,

  1614.         FluidSynthReverbWidth    = 4,

  1615.         FluidSynthChorusOnOff    = 5,

  1616.         FluidSynthChorusNr       = 6,

  1617.         FluidSynthChorusLevel    = 7,

  1618.         FluidSynthChorusSpeedHz  = 8,

  1619.         FluidSynthChorusDepthMs  = 9,

  1620.         FluidSynthChorusType     = 10,

  1621.         FluidSynthPolyphony      = 11,

  1622.         FluidSynthInterpolation  = 12,

  1623.         FluidSynthVoiceCount     = 13,

  1624.         FluidSynthParametersMax  = 14

  1625.     };

  1626. 

  1627.     const bool kUses16Outs;

  1628. 

  1629.     CarlaString fLabel;

  1630. 

  1631.     fluid_settings_t* fSettings;

  1632.     fluid_synth_t* fSynth;

  1633.     int fSynthId;

  1634. 

  1635.     float** fAudio16Buffers;

  1636.     float   fParamBuffers[FluidSynthParametersMax];

  1637. 

  1638.     int32_t fCurMidiProgs[MAX_MIDI_CHANNELS];

  1639. 

  1640.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(FluidSynthPlugin)

  1641. };

  1642. 

  1643. CARLA_BACKEND_END_NAMESPACE

  1644. 

  1645. #else // WANT_FLUIDSYNTH

  1646. # warning fluidsynth not available (no SF2 support)

  1647. #endif

  1648. 

  1649. CARLA_BACKEND_START_NAMESPACE

  1650. 

  1651. CarlaPlugin* CarlaPlugin::newSF2(const Initializer& init, const bool use16Outs)

  1652. {

  1653.     carla_debug("CarlaPlugin::newSF2({%p, \"%s\", \"%s\", \"%s\"}, %s)", init.engine, init.filename, init.name, init.label, bool2str(use16Outs));

  1654. 

  1655. #ifdef WANT_FLUIDSYNTH

  1656.     if (! fluid_is_soundfont(init.filename))

  1657.     {

  1658.         init.engine->setLastError("Requested file is not a valid SoundFont");

  1659.         return nullptr;

  1660.     }

  1661. 

  1662.     if (init.engine->getProccessMode() == PROCESS_MODE_CONTINUOUS_RACK && use16Outs)

  1663.     {

  1664.         init.engine->setLastError("Carla's rack mode can only work with Stereo modules, please choose the 2-channel only SoundFont version");

  1665.         return nullptr;

  1666.     }

  1667. 

  1668.     FluidSynthPlugin* const plugin(new FluidSynthPlugin(init.engine, init.id,  use16Outs));

  1669. 

  1670.     if (! plugin->init(init.filename, init.name, init.label))

  1671.     {

  1672.         delete plugin;

  1673.         return nullptr;

  1674.     }

  1675. 

  1676.     plugin->reload();

  1677. 

  1678.     return plugin;

  1679. #else

  1680.     init.engine->setLastError("fluidsynth support not available");

  1681.     return nullptr;

  1682. 

  1683.     // unused

  1684.     (void)use16Outs;

  1685. #endif

  1686. }

  1687. 

  1688. CARLA_BACKEND_END_NAMESPACE