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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.         carla_zeroFloat(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_debug("FluidSynthPlugin::reload() - start");

  514.         CARLA_ASSERT(pData->engine != nullptr);

  515.         CARLA_ASSERT(fSynth != nullptr);

  516. 

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

  518.             return;

  519.         if (fSynth == nullptr)

  520.             return;

  521. 

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

  523. 

  524.         // Safely disable plugin for reload

  525.         const ScopedDisabler sd(this);

  526. 

  527.         if (pData->active)

  528.             deactivate();

  529. 

  530.         clearBuffers();

  531. 

  532.         uint32_t aOuts, params, j;

  533.         aOuts  = kUses16Outs ? 32 : 2;

  534.         params = FluidSynthParametersMax;

  535. 

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

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

  538. 

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

  540.         CarlaString portName;

  541. 

  542.         // ---------------------------------------

  543.         // Audio Outputs

  544. 

  545.         if (kUses16Outs)

  546.         {

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

  548.             {

  549.                 portName.clear();

  550. 

  551.                 if (processMode == PROCESS_MODE_SINGLE_CLIENT)

  552.                 {

  553.                     portName  = fName;

  554.                     portName += ":";

  555.                 }

  556. 

  557.                 portName += "out-";

  558. 

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

  560.                     portName += "0";

  561. 

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

  563. 

  564.                 if (j % 2 == 0)

  565.                     portName += "L";

  566.                 else

  567.                     portName += "R";

  568. 

  569.                 portName.truncate(portNameSize);

  570. 

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

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

  573.             }

  574. 

  575.             fAudio16Buffers = new float*[aOuts];

  576. 

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

  578.                 fAudio16Buffers[j] = nullptr;

  579.         }

  580.         else

  581.         {

  582.             // out-left

  583.             portName.clear();

  584. 

  585.             if (processMode == PROCESS_MODE_SINGLE_CLIENT)

  586.             {

  587.                 portName  = fName;

  588.                 portName += ":";

  589.             }

  590. 

  591.             portName += "out-left";

  592.             portName.truncate(portNameSize);

  593. 

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

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

  596. 

  597.             // out-right

  598.             portName.clear();

  599. 

  600.             if (processMode == PROCESS_MODE_SINGLE_CLIENT)

  601.             {

  602.                 portName  = fName;

  603.                 portName += ":";

  604.             }

  605. 

  606.             portName += "out-right";

  607.             portName.truncate(portNameSize);

  608. 

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

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

  611.         }

  612. 

  613.         // ---------------------------------------

  614.         // Event Input

  615. 

  616.         {

  617.             portName.clear();

  618. 

  619.             if (processMode == PROCESS_MODE_SINGLE_CLIENT)

  620.             {

  621.                 portName  = fName;

  622.                 portName += ":";

  623.             }

  624. 

  625.             portName += "event-in";

  626.             portName.truncate(portNameSize);

  627. 

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

  629.         }

  630. 

  631.         // ---------------------------------------

  632.         // Event Output

  633. 

  634.         {

  635.             portName.clear();

  636. 

  637.             if (processMode == PROCESS_MODE_SINGLE_CLIENT)

  638.             {

  639.                 portName  = fName;

  640.                 portName += ":";

  641.             }

  642. 

  643.             portName += "event-out";

  644.             portName.truncate(portNameSize);

  645. 

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

  647.         }

  648. 

  649.         // ----------------------

  650.         j = FluidSynthReverbOnOff;

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

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

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

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

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

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

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

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

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

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

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

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

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

  664. 

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

  666.         j = FluidSynthReverbRoomSize;

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

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

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

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

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

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

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

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

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

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

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

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

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

  680. 

  681.         // ----------------------

  682.         j = FluidSynthReverbDamp;

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

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

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

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

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

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

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

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

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

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

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

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

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

  696. 

  697.         // ----------------------

  698.         j = FluidSynthReverbLevel;

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

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

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

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

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

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

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

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

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

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

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

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

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

  712. 

  713.         // ----------------------

  714.         j = FluidSynthReverbWidth;

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

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

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

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

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

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

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

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

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

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

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

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

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

  728. 

  729.         // ----------------------

  730.         j = FluidSynthChorusOnOff;

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

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

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

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

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

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

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

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

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

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

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

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

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

  744. 

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

  746.         j = FluidSynthChorusNr;

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

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

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

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

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

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

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

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

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

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

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

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

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

  760. 

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

  762.         j = FluidSynthChorusLevel;

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

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

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

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

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

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

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

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

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

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

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

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

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

  776. 

  777.         // ----------------------

  778.         j = FluidSynthChorusSpeedHz;

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

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

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

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

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

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

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

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

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

  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 = FluidSynthChorusDepthMs;

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

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

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

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

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

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

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

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

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

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

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

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

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

  808. 

  809.         // ----------------------

  810.         j = FluidSynthChorusType;

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

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

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

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

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

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

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

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

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

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

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

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

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

  824. 

  825.         // ----------------------

  826.         j = FluidSynthPolyphony;

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

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

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

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

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

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

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

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

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

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

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

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

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

  840. 

  841.         // ----------------------

  842.         j = FluidSynthInterpolation;

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

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

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

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

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

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

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

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

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

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

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

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

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

  856. 

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

  858.         j = FluidSynthVoiceCount;

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

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

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

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

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

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

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

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

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

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

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

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

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

  872. 

  873.         // ---------------------------------------

  874. 

  875.         // plugin hints

  876.         fHints  = 0x0;

  877.         //fHints |= PLUGIN_IS_SYNTH;

  878.         fHints |= PLUGIN_CAN_VOLUME;

  879.         fHints |= PLUGIN_CAN_BALANCE;

  880. 

  881.         // extra plugin hints

  882.         pData->extraHints  = 0x0;

  883.         pData->extraHints |= PLUGIN_EXTRA_HINT_HAS_MIDI_IN;

  884.         pData->extraHints |= PLUGIN_EXTRA_HINT_CAN_RUN_RACK;

  885. 

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

  887.         reloadPrograms(true);

  888. 

  889.         if (pData->active)

  890.             activate();

  891. 

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

  893.     }

  894. 

  895.     void reloadPrograms(const bool init) override

  896.     {

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

  898. 

  899.         // Delete old programs

  900.         pData->midiprog.clear();

  901. 

  902.         // Query new programs

  903.         uint32_t count = 0;

  904.         fluid_sfont_t* f_sfont;

  905.         fluid_preset_t f_preset;

  906. 

  907.         bool hasDrums = false;

  908.         uint32_t drumIndex, drumProg;

  909. 

  910.         f_sfont = fluid_synth_get_sfont_by_id(fSynth, fSynthId);

  911. 

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

  913.         f_sfont->iteration_start(f_sfont);

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

  915.             count += 1;

  916. 

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

  918.         CARLA_ASSERT(count > 0);

  919. 

  920.         if (count == 0)

  921.             return;

  922. 

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

  924. 

  925.         // Update data

  926.         uint32_t i = 0;

  927.         f_sfont->iteration_start(f_sfont);

  928. 

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

  930.         {

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

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

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

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

  935. 

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

  937.             {

  938.                 hasDrums  = true;

  939.                 drumIndex = i;

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

  941.             }

  942. 

  943.             ++i;

  944.         }

  945. 

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

  947. 

  948. #ifndef BUILD_BRIDGE

  949.         // Update OSC Names

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

  951.         {

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

  953. 

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

  955.                 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);

  956.         }

  957. #endif

  958. 

  959.         if (init)

  960.         {

  961.             fluid_synth_program_reset(fSynth);

  962. 

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

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

  965.             {

  966. #ifdef FLUIDSYNTH_VERSION_NEW_API

  967.                 fluid_synth_set_channel_type(fSynth, i, CHANNEL_TYPE_MELODIC);

  968. #endif

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

  970. 

  971.                 fCurMidiProgs[i] = 0;

  972.             }

  973. 

  974.             if (hasDrums)

  975.             {

  976. #ifdef FLUIDSYNTH_VERSION_NEW_API

  977.                 fluid_synth_set_channel_type(fSynth, 9, CHANNEL_TYPE_DRUM);

  978. #endif

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

  980. 

  981.                 fCurMidiProgs[9] = drumIndex;

  982.             }

  983.             else

  984.             {

  985. #ifdef FLUIDSYNTH_VERSION_NEW_API

  986.                 fluid_synth_set_channel_type(fSynth, 9, CHANNEL_TYPE_MELODIC);

  987. #endif

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

  989. 

  990.                 fCurMidiProgs[9] = 0;

  991.             }

  992. 

  993.             pData->midiprog.current = 0;

  994.         }

  995.         else

  996.         {

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

  998.         }

  999.     }

  1000. 

  1001.     // -------------------------------------------------------------------

  1002.     // Plugin processing

  1003. 

  1004.     void process(float** const, float** const outBuffer, const uint32_t frames) override

  1005.     {

  1006.         uint32_t i, k;

  1007. 

  1008.         // --------------------------------------------------------------------------------------------------------

  1009.         // Check if active

  1010. 

  1011.         if (! pData->active)

  1012.         {

  1013.             // disable any output sound

  1014.             for (i=0; i < pData->audioOut.count; ++i)

  1015.                 carla_zeroFloat(outBuffer[i], frames);

  1016. 

  1017.             return;

  1018.         }

  1019. 

  1020.         // --------------------------------------------------------------------------------------------------------

  1021.         // Check if needs reset

  1022. 

  1023.         if (pData->needsReset)

  1024.         {

  1025.             if (fOptions & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1026.             {

  1027.                 for (int c=0; c < MAX_MIDI_CHANNELS; ++c)

  1028.                 {

  1029. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1030.                     fluid_synth_all_notes_off(fSynth, c);

  1031.                     fluid_synth_all_sounds_off(fSynth, c);

  1032. #else

  1033.                     fluid_synth_cc(fSynth, c, MIDI_CONTROL_ALL_SOUND_OFF, 0);

  1034.                     fluid_synth_cc(fSynth, c, MIDI_CONTROL_ALL_NOTES_OFF, 0);

  1035. #endif

  1036.                 }

  1037.             }

  1038.             else if (pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1039.             {

  1040.                 for (k=0; k < MAX_MIDI_NOTE; ++k)

  1041.                     fluid_synth_noteoff(fSynth, pData->ctrlChannel, k);

  1042.             }

  1043. 

  1044.             pData->needsReset = false;

  1045.         }

  1046. 

  1047.         // --------------------------------------------------------------------------------------------------------

  1048.         // Event Input and Processing

  1049. 

  1050.         {

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

  1052.             // MIDI Input (External)

  1053. 

  1054.             if (pData->extNotes.mutex.tryLock())

  1055.             {

  1056.                 while (! pData->extNotes.data.isEmpty())

  1057.                 {

  1058.                     const ExternalMidiNote& note(pData->extNotes.data.getFirst(true));

  1059. 

  1060.                     CARLA_ASSERT(note.channel >= 0 && note.channel < MAX_MIDI_CHANNELS);

  1061. 

  1062.                     if (note.velo > 0)

  1063.                         fluid_synth_noteon(fSynth, note.channel, note.note, note.velo);

  1064.                     else

  1065.                         fluid_synth_noteoff(fSynth,note.channel, note.note);

  1066.                 }

  1067. 

  1068.                 pData->extNotes.mutex.unlock();

  1069. 

  1070.             } // End of MIDI Input (External)

  1071. 

  1072.             // ----------------------------------------------------------------------------------------------------

  1073.             // Event Input (System)

  1074. 

  1075.             bool allNotesOffSent = false;

  1076. 

  1077.             uint32_t time, nEvents = pData->event.portIn->getEventCount();

  1078.             uint32_t timeOffset = 0;

  1079. 

  1080.             uint32_t nextBankIds[MAX_MIDI_CHANNELS] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 0, 0, 0, 0, 0, 0 };

  1081. 

  1082.             if (pData->midiprog.current >= 0 && pData->midiprog.count > 0 && pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1083.                 nextBankIds[pData->ctrlChannel] = pData->midiprog.data[pData->midiprog.current].bank;

  1084. 

  1085.             for (i=0; i < nEvents; ++i)

  1086.             {

  1087.                 const EngineEvent& event(pData->event.portIn->getEvent(i));

  1088. 

  1089.                 time = event.time;

  1090. 

  1091.                 if (time >= frames)

  1092.                     continue;

  1093. 

  1094.                 CARLA_ASSERT_INT2(time >= timeOffset, time, timeOffset);

  1095. 

  1096.                 if (time > timeOffset)

  1097.                 {

  1098.                     if (processSingle(outBuffer, time - timeOffset, timeOffset))

  1099.                     {

  1100.                         timeOffset = time;

  1101. 

  1102.                         if (pData->midiprog.current >= 0 && pData->midiprog.count > 0 && pData->ctrlChannel >= 0 && pData->ctrlChannel < 16)

  1103.                             nextBankIds[pData->ctrlChannel] = pData->midiprog.data[pData->midiprog.current].bank;

  1104.                     }

  1105.                 }

  1106. 

  1107.                 // Control change

  1108.                 switch (event.type)

  1109.                 {

  1110.                 case kEngineEventTypeNull:

  1111.                     break;

  1112. 

  1113.                 case kEngineEventTypeControl:

  1114.                 {

  1115.                     const EngineControlEvent& ctrlEvent = event.ctrl;

  1116. 

  1117.                     switch (ctrlEvent.type)

  1118.                     {

  1119.                     case kEngineControlEventTypeNull:

  1120.                         break;

  1121. 

  1122.                     case kEngineControlEventTypeParameter:

  1123.                     {

  1124. #ifndef BUILD_BRIDGE

  1125.                         // Control backend stuff

  1126.                         if (event.channel == pData->ctrlChannel)

  1127.                         {

  1128.                             float value;

  1129. 

  1130.                             if (MIDI_IS_CONTROL_BREATH_CONTROLLER(ctrlEvent.param) && (fHints & PLUGIN_CAN_DRYWET) > 0)

  1131.                             {

  1132.                                 value = ctrlEvent.value;

  1133.                                 setDryWet(value, false, false);

  1134.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_DRYWET, 0, value);

  1135.                             }

  1136. 

  1137.                             if (MIDI_IS_CONTROL_CHANNEL_VOLUME(ctrlEvent.param) && (fHints & PLUGIN_CAN_VOLUME) > 0)

  1138.                             {

  1139.                                 value = ctrlEvent.value*127.0f/100.0f;

  1140.                                 setVolume(value, false, false);

  1141.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_VOLUME, 0, value);

  1142.                             }

  1143. 

  1144.                             if (MIDI_IS_CONTROL_BALANCE(ctrlEvent.param) && (fHints & PLUGIN_CAN_BALANCE) > 0)

  1145.                             {

  1146.                                 float left, right;

  1147.                                 value = ctrlEvent.value/0.5f - 1.0f;

  1148. 

  1149.                                 if (value < 0.0f)

  1150.                                 {

  1151.                                     left  = -1.0f;

  1152.                                     right = (value*2.0f)+1.0f;

  1153.                                 }

  1154.                                 else if (value > 0.0f)

  1155.                                 {

  1156.                                     left  = (value*2.0f)-1.0f;

  1157.                                     right = 1.0f;

  1158.                                 }

  1159.                                 else

  1160.                                 {

  1161.                                     left  = -1.0f;

  1162.                                     right = 1.0f;

  1163.                                 }

  1164. 

  1165.                                 setBalanceLeft(left, false, false);

  1166.                                 setBalanceRight(right, false, false);

  1167.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_LEFT, 0, left);

  1168.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_RIGHT, 0, right);

  1169.                             }

  1170.                         }

  1171. #endif

  1172. 

  1173.                         // Control plugin parameters

  1174.                         for (k=0; k < pData->param.count; ++k)

  1175.                         {

  1176.                             if (pData->param.data[k].midiChannel != event.channel)

  1177.                                 continue;

  1178.                             if (pData->param.data[k].midiCC != ctrlEvent.param)

  1179.                                 continue;

  1180.                             if (pData->param.data[k].type != PARAMETER_INPUT)

  1181.                                 continue;

  1182.                             if ((pData->param.data[k].hints & PARAMETER_IS_AUTOMABLE) == 0)

  1183.                                 continue;

  1184. 

  1185.                             float value;

  1186. 

  1187.                             if (pData->param.data[k].hints & PARAMETER_IS_BOOLEAN)

  1188.                             {

  1189.                                 value = (ctrlEvent.value < 0.5f) ? pData->param.ranges[k].min : pData->param.ranges[k].max;

  1190.                             }

  1191.                             else

  1192.                             {

  1193.                                 value = pData->param.ranges[k].getUnnormalizedValue(ctrlEvent.value);

  1194. 

  1195.                                 if (pData->param.data[k].hints & PARAMETER_IS_INTEGER)

  1196.                                     value = std::rint(value);

  1197.                             }

  1198. 

  1199.                             setParameterValue(k, value, false, false, false);

  1200.                             pData->postponeRtEvent(kPluginPostRtEventParameterChange, static_cast<int32_t>(k), 0, value);

  1201.                         }

  1202. 

  1203.                         if ((fOptions & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0 && ctrlEvent.param <= 0x5F)

  1204.                         {

  1205.                             fluid_synth_cc(fSynth, event.channel, ctrlEvent.param, ctrlEvent.value*127.0f);

  1206.                         }

  1207. 

  1208.                         break;

  1209.                     }

  1210. 

  1211.                     case kEngineControlEventTypeMidiBank:

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

  1213.                             nextBankIds[event.channel] = ctrlEvent.param;

  1214.                         break;

  1215. 

  1216.                     case kEngineControlEventTypeMidiProgram:

  1217.                         if (event.channel < MAX_MIDI_CHANNELS && (fOptions & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1218.                         {

  1219.                             const uint32_t bankId(nextBankIds[event.channel]);

  1220.                             const uint32_t progId(ctrlEvent.param);

  1221. 

  1222.                             for (k=0; k < pData->midiprog.count; ++k)

  1223.                             {

  1224.                                 if (pData->midiprog.data[k].bank == bankId && pData->midiprog.data[k].program == progId)

  1225.                                 {

  1226.                                     fluid_synth_program_select(fSynth, event.channel, fSynthId, bankId, progId);

  1227.                                     fCurMidiProgs[event.channel] = k;

  1228. 

  1229.                                     if (event.channel == pData->ctrlChannel)

  1230.                                         pData->postponeRtEvent(kPluginPostRtEventMidiProgramChange, k, 0, 0.0f);

  1231. 

  1232.                                     break;

  1233.                                 }

  1234.                             }

  1235.                         }

  1236.                         break;

  1237. 

  1238.                     case kEngineControlEventTypeAllSoundOff:

  1239.                         if (fOptions & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1240.                         {

  1241. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1242.                             fluid_synth_all_sounds_off(fSynth, event.channel);

  1243. #else

  1244.                             fluid_synth_cc(fSynth, event.channel, MIDI_CONTROL_ALL_SOUND_OFF, 0);

  1245. #endif

  1246.                         }

  1247.                         break;

  1248. 

  1249.                     case kEngineControlEventTypeAllNotesOff:

  1250.                         if (fOptions & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1251.                         {

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

  1253.                             {

  1254.                                 allNotesOffSent = true;

  1255.                                 sendMidiAllNotesOffToCallback();

  1256.                             }

  1257. 

  1258. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1259.                             fluid_synth_all_notes_off(fSynth, event.channel);

  1260. #else

  1261.                             fluid_synth_cc(fSynth, event.channel, MIDI_CONTROL_ALL_NOTES_OFF, 0);

  1262. #endif

  1263.                         }

  1264.                         break;

  1265.                     }

  1266. 

  1267.                     break;

  1268.                 }

  1269. 

  1270.                 case kEngineEventTypeMidi:

  1271.                 {

  1272.                     const EngineMidiEvent& midiEvent(event.midi);

  1273. 

  1274.                     uint8_t status  = MIDI_GET_STATUS_FROM_DATA(midiEvent.data);

  1275.                     uint8_t channel = event.channel;

  1276. 

  1277.                     // Fix bad note-off

  1278.                     if (MIDI_IS_STATUS_NOTE_ON(status) && midiEvent.data[2] == 0)

  1279.                         status -= 0x10;

  1280. 

  1281.                     if (MIDI_IS_STATUS_NOTE_OFF(status))

  1282.                     {

  1283.                         const uint8_t note = midiEvent.data[1];

  1284. 

  1285.                         fluid_synth_noteoff(fSynth, channel, note);

  1286. 

  1287.                         pData->postponeRtEvent(kPluginPostRtEventNoteOff, channel, note, 0.0f);

  1288.                     }

  1289.                     else if (MIDI_IS_STATUS_NOTE_ON(status))

  1290.                     {

  1291.                         const uint8_t note = midiEvent.data[1];

  1292.                         const uint8_t velo = midiEvent.data[2];

  1293. 

  1294.                         fluid_synth_noteon(fSynth, channel, note, velo);

  1295. 

  1296.                         pData->postponeRtEvent(kPluginPostRtEventNoteOn, channel, note, velo);

  1297.                     }

  1298.                     else if (MIDI_IS_STATUS_POLYPHONIC_AFTERTOUCH(status) && (fOptions & PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH) != 0)

  1299.                     {

  1300.                         //const uint8_t note     = midiEvent.data[1];

  1301.                         //const uint8_t pressure = midiEvent.data[2];

  1302. 

  1303.                         // TODO, not in fluidsynth API

  1304.                     }

  1305.                     else if (MIDI_IS_STATUS_CONTROL_CHANGE(status) && (fOptions & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0)

  1306.                     {

  1307.                         const uint8_t control = midiEvent.data[1];

  1308.                         const uint8_t value   = midiEvent.data[2];

  1309. 

  1310.                         fluid_synth_cc(fSynth, channel, control, value);

  1311.                     }

  1312.                     else if (MIDI_IS_STATUS_CHANNEL_PRESSURE(status) && (fOptions & PLUGIN_OPTION_SEND_CHANNEL_PRESSURE) != 0)

  1313.                     {

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

  1315. 

  1316.                         fluid_synth_channel_pressure(fSynth, channel, pressure);;

  1317.                     }

  1318.                     else if (MIDI_IS_STATUS_PITCH_WHEEL_CONTROL(status) && (fOptions & PLUGIN_OPTION_SEND_PITCHBEND) != 0)

  1319.                     {

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

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

  1322. 

  1323.                         fluid_synth_pitch_bend(fSynth, channel, (msb << 7) | lsb);

  1324.                     }

  1325. 

  1326.                     break;

  1327.                 }

  1328.                 }

  1329.             }

  1330. 

  1331.             pData->postRtEvents.trySplice();

  1332. 

  1333.             if (frames > timeOffset)

  1334.                 processSingle(outBuffer, frames - timeOffset, timeOffset);

  1335. 

  1336.         } // End of Event Input and Processing

  1337. 

  1338.         CARLA_PROCESS_CONTINUE_CHECK;

  1339. 

  1340.         // --------------------------------------------------------------------------------------------------------

  1341.         // Control Output

  1342. 

  1343.         {

  1344.             k = FluidSynthVoiceCount;

  1345.             fParamBuffers[k] = fluid_synth_get_active_voice_count(fSynth);

  1346.             pData->param.ranges[k].fixValue(fParamBuffers[k]);

  1347. 

  1348.             if (pData->param.data[k].midiCC > 0)

  1349.             {

  1350.                 float value(pData->param.ranges[k].getNormalizedValue(fParamBuffers[k]));

  1351.                 pData->event.portOut->writeControlEvent(0, pData->param.data[k].midiChannel, kEngineControlEventTypeParameter, pData->param.data[k].midiCC, value);

  1352.             }

  1353. 

  1354.         } // End of Control Output

  1355.     }

  1356. 

  1357.     bool processSingle(float** const outBuffer, const uint32_t frames, const uint32_t timeOffset)

  1358.     {

  1359.         CARLA_ASSERT(outBuffer != nullptr);

  1360.         CARLA_ASSERT(frames > 0);

  1361. 

  1362.         if (outBuffer == nullptr)

  1363.             return false;

  1364.         if (frames == 0)

  1365.             return false;

  1366. 

  1367.         uint32_t i, k;

  1368. 

  1369.         // --------------------------------------------------------------------------------------------------------

  1370.         // Try lock, silence otherwise

  1371. 

  1372.         if (pData->engine->isOffline())

  1373.         {

  1374.             pData->singleMutex.lock();

  1375.         }

  1376.         else if (! pData->singleMutex.tryLock())

  1377.         {

  1378.             for (i=0; i < pData->audioOut.count; ++i)

  1379.             {

  1380.                 for (k=0; k < frames; ++k)

  1381.                     outBuffer[i][k+timeOffset] = 0.0f;

  1382.             }

  1383. 

  1384.             return false;

  1385.         }

  1386. 

  1387.         // --------------------------------------------------------------------------------------------------------

  1388.         // Fill plugin buffers and Run plugin

  1389. 

  1390.         if (kUses16Outs)

  1391.         {

  1392.             for (i=0; i < pData->audioOut.count; ++i)

  1393.                 carla_zeroFloat(fAudio16Buffers[i], frames);

  1394. 

  1395.             fluid_synth_process(fSynth, frames, 0, nullptr, pData->audioOut.count, fAudio16Buffers);

  1396.         }

  1397.         else

  1398.             fluid_synth_write_float(fSynth, frames, outBuffer[0] + timeOffset, 0, 1, outBuffer[1] + timeOffset, 0, 1);

  1399. 

  1400. #ifndef BUILD_BRIDGE

  1401.         // --------------------------------------------------------------------------------------------------------

  1402.         // Post-processing (volume and balance)

  1403. 

  1404.         {

  1405.             // note - balance not possible with kUses16Outs, so we can safely skip fAudioOutBuffers

  1406.             const bool doVolume  = (fHints & PLUGIN_CAN_VOLUME) > 0 && pData->postProc.volume != 1.0f;

  1407.             const bool doBalance = (fHints & PLUGIN_CAN_BALANCE) > 0 && (pData->postProc.balanceLeft != -1.0f || pData->postProc.balanceRight != 1.0f);

  1408. 

  1409.             float oldBufLeft[doBalance ? frames : 1];

  1410. 

  1411.             for (i=0; i < pData->audioOut.count; ++i)

  1412.             {

  1413.                 // Balance

  1414.                 if (doBalance)

  1415.                 {

  1416.                     if (i % 2 == 0)

  1417.                         carla_copyFloat(oldBufLeft, outBuffer[i]+timeOffset, frames);

  1418. 

  1419.                     float balRangeL = (pData->postProc.balanceLeft  + 1.0f)/2.0f;

  1420.                     float balRangeR = (pData->postProc.balanceRight + 1.0f)/2.0f;

  1421. 

  1422.                     for (k=0; k < frames; ++k)

  1423.                     {

  1424.                         if (i % 2 == 0)

  1425.                         {

  1426.                             // left

  1427.                             outBuffer[i][k+timeOffset]  = oldBufLeft[k]                * (1.0f - balRangeL);

  1428.                             outBuffer[i][k+timeOffset] += outBuffer[i+1][k+timeOffset] * (1.0f - balRangeR);

  1429.                         }

  1430.                         else

  1431.                         {

  1432.                             // right

  1433.                             outBuffer[i][k+timeOffset]  = outBuffer[i][k+timeOffset] * balRangeR;

  1434.                             outBuffer[i][k+timeOffset] += oldBufLeft[k]              * balRangeL;

  1435.                         }

  1436.                     }

  1437.                 }

  1438. 

  1439.                 // Volume

  1440.                 if (kUses16Outs)

  1441.                 {

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

  1443.                         outBuffer[i][k+timeOffset] = fAudio16Buffers[i][k] * pData->postProc.volume;

  1444.                 }

  1445.                 else if (doVolume)

  1446.                 {

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

  1448.                         outBuffer[i][k+timeOffset] *= pData->postProc.volume;

  1449.                 }

  1450.             }

  1451. 

  1452.         } // End of Post-processing

  1453. #else

  1454.         if (kUses16Outs)

  1455.         {

  1456.             for (i=0; i < pData->audioOut.count; ++i)

  1457.             {

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

  1459.                     outBuffer[i][k+timeOffset] = fAudio16Buffers[i][k];

  1460.             }

  1461.         }

  1462. #endif

  1463. 

  1464.         // --------------------------------------------------------------------------------------------------------

  1465. 

  1466.         pData->singleMutex.unlock();

  1467.         return true;

  1468.     }

  1469. 

  1470.     void bufferSizeChanged(const uint32_t newBufferSize) override

  1471.     {

  1472.         if (! kUses16Outs)

  1473.             return;

  1474. 

  1475.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1476.         {

  1477.             if (fAudio16Buffers[i] != nullptr)

  1478.                 delete[] fAudio16Buffers[i];

  1479.             fAudio16Buffers[i] = new float[newBufferSize];

  1480.         }

  1481.     }

  1482. 

  1483.     // -------------------------------------------------------------------

  1484.     // Plugin buffers

  1485. 

  1486.     void clearBuffers() override

  1487.     {

  1488.         carla_debug("FluidSynthPlugin::clearBuffers() - start");

  1489. 

  1490.         if (fAudio16Buffers != nullptr)

  1491.         {

  1492.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1493.             {

  1494.                 if (fAudio16Buffers[i] != nullptr)

  1495.                 {

  1496.                     delete[] fAudio16Buffers[i];

  1497.                     fAudio16Buffers[i] = nullptr;

  1498.                 }

  1499.             }

  1500. 

  1501.             delete[] fAudio16Buffers;

  1502.             fAudio16Buffers = nullptr;

  1503.         }

  1504. 

  1505.         CarlaPlugin::clearBuffers();

  1506. 

  1507.         carla_debug("FluidSynthPlugin::clearBuffers() - end");

  1508.     }

  1509. 

  1510.     // -------------------------------------------------------------------

  1511. 

  1512.     const void* getExtraStuff() const noexcept override

  1513.     {

  1514.         return kUses16Outs ? (const void*)0x1 : nullptr;

  1515.     }

  1516. 

  1517.     bool init(const char* const filename, const char* const name, const char* const label)

  1518.     {

  1519.         CARLA_ASSERT(fSynth != nullptr);

  1520.         CARLA_ASSERT(filename != nullptr);

  1521.         CARLA_ASSERT(label != nullptr);

  1522. 

  1523.         // ---------------------------------------------------------------

  1524.         // first checks

  1525. 

  1526.         if (pData->engine == nullptr)

  1527.         {

  1528.             return false;

  1529.         }

  1530. 

  1531.         if (pData->client != nullptr)

  1532.         {

  1533.             pData->engine->setLastError("Plugin client is already registered");

  1534.             return false;

  1535.         }

  1536. 

  1537.         if (fSynth == nullptr)

  1538.         {

  1539.             pData->engine->setLastError("null synth");

  1540.             return false;

  1541.         }

  1542. 

  1543.         if (filename == nullptr)

  1544.         {

  1545.             pData->engine->setLastError("null filename");

  1546.             return false;

  1547.         }

  1548. 

  1549.         if (label == nullptr)

  1550.         {

  1551.             pData->engine->setLastError("null label");

  1552.             return false;

  1553.         }

  1554. 

  1555.         // ---------------------------------------------------------------

  1556.         // open soundfont

  1557. 

  1558.         fSynthId = fluid_synth_sfload(fSynth, filename, 0);

  1559. 

  1560.         if (fSynthId < 0)

  1561.         {

  1562.             pData->engine->setLastError("Failed to load SoundFont file");

  1563.             return false;

  1564.         }

  1565. 

  1566.         // ---------------------------------------------------------------

  1567.         // get info

  1568. 

  1569.         fFilename = filename;

  1570.         fLabel    = label;

  1571. 

  1572.         if (kUses16Outs && ! fLabel.endsWith(" (16 outs)"))

  1573.             fLabel += " (16 outs)";

  1574. 

  1575.         if (name != nullptr)

  1576.             fName = pData->engine->getUniquePluginName(name);

  1577.         else

  1578.             fName = pData->engine->getUniquePluginName(label);

  1579. 

  1580.         // ---------------------------------------------------------------

  1581.         // register client

  1582. 

  1583.         pData->client = pData->engine->addClient(this);

  1584. 

  1585.         if (pData->client == nullptr || ! pData->client->isOk())

  1586.         {

  1587.             pData->engine->setLastError("Failed to register plugin client");

  1588.             return false;

  1589.         }

  1590. 

  1591.         // ---------------------------------------------------------------

  1592.         // load plugin settings

  1593. 

  1594.         {

  1595.             // set default options

  1596.             fOptions = 0x0;

  1597. 

  1598.             fOptions |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  1599.             fOptions |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  1600.             fOptions |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  1601.             fOptions |= PLUGIN_OPTION_SEND_PITCHBEND;

  1602.             fOptions |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  1603. 

  1604.             // load settings

  1605.             pData->idStr  = "SF2/";

  1606.             pData->idStr += label;

  1607.             fOptions = pData->loadSettings(fOptions, getAvailableOptions());

  1608.         }

  1609. 

  1610.         return true;

  1611.     }

  1612. 

  1613. private:

  1614.     enum FluidSynthInputParameters {

  1615.         FluidSynthReverbOnOff    = 0,

  1616.         FluidSynthReverbRoomSize = 1,

  1617.         FluidSynthReverbDamp     = 2,

  1618.         FluidSynthReverbLevel    = 3,

  1619.         FluidSynthReverbWidth    = 4,

  1620.         FluidSynthChorusOnOff    = 5,

  1621.         FluidSynthChorusNr       = 6,

  1622.         FluidSynthChorusLevel    = 7,

  1623.         FluidSynthChorusSpeedHz  = 8,

  1624.         FluidSynthChorusDepthMs  = 9,

  1625.         FluidSynthChorusType     = 10,

  1626.         FluidSynthPolyphony      = 11,

  1627.         FluidSynthInterpolation  = 12,

  1628.         FluidSynthVoiceCount     = 13,

  1629.         FluidSynthParametersMax  = 14

  1630.     };

  1631. 

  1632.     const bool kUses16Outs;

  1633. 

  1634.     CarlaString fLabel;

  1635. 

  1636.     fluid_settings_t* fSettings;

  1637.     fluid_synth_t* fSynth;

  1638.     int fSynthId;

  1639. 

  1640.     float** fAudio16Buffers;

  1641.     float   fParamBuffers[FluidSynthParametersMax];

  1642. 

  1643.     int32_t fCurMidiProgs[MAX_MIDI_CHANNELS];

  1644. 

  1645.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(FluidSynthPlugin)

  1646. };

  1647. 

  1648. CARLA_BACKEND_END_NAMESPACE

  1649. 

  1650. #else // WANT_FLUIDSYNTH

  1651. # warning fluidsynth not available (no SF2 support)

  1652. #endif

  1653. 

  1654. CARLA_BACKEND_START_NAMESPACE

  1655. 

  1656. CarlaPlugin* CarlaPlugin::newSF2(const Initializer& init, const bool use16Outs)

  1657. {

  1658.     carla_debug("CarlaPlugin::newSF2({%p, \"%s\", \"%s\", \"%s\"}, %s)", init.engine, init.filename, init.name, init.label, bool2str(use16Outs));

  1659. 

  1660. #ifdef WANT_FLUIDSYNTH

  1661.     if (! fluid_is_soundfont(init.filename))

  1662.     {

  1663.         init.engine->setLastError("Requested file is not a valid SoundFont");

  1664.         return nullptr;

  1665.     }

  1666. 

  1667.     if (init.engine->getProccessMode() == PROCESS_MODE_CONTINUOUS_RACK && use16Outs)

  1668.     {

  1669.         init.engine->setLastError("Carla's rack mode can only work with Stereo modules, please choose the 2-channel only SoundFont version");

  1670.         return nullptr;

  1671.     }

  1672. 

  1673.     FluidSynthPlugin* const plugin(new FluidSynthPlugin(init.engine, init.id,  use16Outs));

  1674. 

  1675.     if (! plugin->init(init.filename, init.name, init.label))

  1676.     {

  1677.         delete plugin;

  1678.         return nullptr;

  1679.     }

  1680. 

  1681.     plugin->reload();

  1682. 

  1683.     return plugin;

  1684. #else

  1685.     init.engine->setLastError("fluidsynth support not available");

  1686.     return nullptr;

  1687. 

  1688.     // unused

  1689.     (void)use16Outs;

  1690. #endif

  1691. }

  1692. 

  1693. CARLA_BACKEND_END_NAMESPACE