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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. #include <QtCore/QStringList>

  25. 

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

  27. # define FLUIDSYNTH_VERSION_NEW_API

  28. #endif

  29. 

  30. CARLA_BACKEND_START_NAMESPACE

  31. 

  32. #if 0

  33. }

  34. #endif

  35. 

  36. #define FLUID_DEFAULT_POLYPHONY 64

  37. 

  38. class FluidSynthPlugin : public CarlaPlugin

  39. {

  40. public:

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

  42.         : CarlaPlugin(engine, id),

  43.           fUses16Outs(use16Outs),

  44.           fSettings(nullptr),

  45.           fSynth(nullptr),

  46.           fSynthId(-1),

  47.           fAudio16Buffers(nullptr),

  48.           fLabel(nullptr)

  49.     {

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

  51. 

  52.         FLOAT_CLEAR(fParamBuffers, FluidSynthParametersMax);

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

  54. 

  55.         // create settings

  56.         fSettings = new_fluid_settings();

  57.         CARLA_SAFE_ASSERT_RETURN(fSettings != nullptr,);

  58. 

  59.         // define settings

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

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

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

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

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

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

  66. 

  67.         // create synth

  68.         fSynth = new_fluid_synth(fSettings);

  69.         CARLA_SAFE_ASSERT_RETURN(fSynth != nullptr,);

  70. 

  71. #ifdef FLUIDSYNTH_VERSION_NEW_API

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

  73. #endif

  74. 

  75.         // set default values

  76.         fluid_synth_set_reverb_on(fSynth, 1);

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

  78. 

  79.         fluid_synth_set_chorus_on(fSynth, 1);

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

  81. 

  82.         fluid_synth_set_polyphony(fSynth, FLUID_DEFAULT_POLYPHONY);

  83.         fluid_synth_set_gain(fSynth, 1.0f);

  84. 

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

  86.             fluid_synth_set_interp_method(fSynth, i, FLUID_INTERP_DEFAULT);

  87.     }

  88. 

  89.     ~FluidSynthPlugin() override

  90.     {

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

  92. 

  93.         pData->singleMutex.lock();

  94.         pData->masterMutex.lock();

  95. 

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

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

  98. 

  99.         if (pData->active)

  100.         {

  101.             deactivate();

  102.             pData->active = false;

  103.         }

  104. 

  105.         if (fSynth != nullptr)

  106.         {

  107.             delete_fluid_synth(fSynth);

  108.             fSynth = nullptr;

  109.         }

  110. 

  111.         if (fSettings != nullptr)

  112.         {

  113.             delete_fluid_settings(fSettings);

  114.             fSettings = nullptr;

  115.         }

  116. 

  117.         if (fLabel != nullptr)

  118.         {

  119.             delete[] fLabel;

  120.             fLabel = nullptr;

  121.         }

  122. 

  123.         clearBuffers();

  124.     }

  125. 

  126.     // -------------------------------------------------------------------

  127.     // Information (base)

  128. 

  129.     PluginType getType() const noexcept override

  130.     {

  131.         return PLUGIN_SF2;

  132.     }

  133. 

  134.     PluginCategory getCategory() const override

  135.     {

  136.         return PLUGIN_CATEGORY_SYNTH;

  137.     }

  138. 

  139.     // -------------------------------------------------------------------

  140.     // Information (count)

  141. 

  142.     uint32_t getParameterScalePointCount(const uint32_t parameterId) const override

  143.     {

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

  145. 

  146.         switch (parameterId)

  147.         {

  148.         case FluidSynthChorusType:

  149.             return 2;

  150.         case FluidSynthInterpolation:

  151.             return 4;

  152.         default:

  153.             return 0;

  154.         }

  155.     }

  156. 

  157.     // -------------------------------------------------------------------

  158.     // Information (current data)

  159. 

  160.     // nothing

  161. 

  162.     // -------------------------------------------------------------------

  163.     // Information (per-plugin data)

  164. 

  165.     unsigned int getOptionsAvailable() const override

  166.     {

  167.         unsigned int options = 0x0;

  168. 

  169.         options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  170.         options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  171.         options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  172.         options |= PLUGIN_OPTION_SEND_PITCHBEND;

  173.         options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  174. 

  175.         return options;

  176.     }

  177. 

  178.     float getParameterValue(const uint32_t parameterId) const override

  179.     {

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

  181. 

  182.         return fParamBuffers[parameterId];

  183.     }

  184. 

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

  186.     {

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

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

  189. 

  190.         switch (parameterId)

  191.         {

  192.         case FluidSynthChorusType:

  193.             switch (scalePointId)

  194.             {

  195.             case 0:

  196.                 return FLUID_CHORUS_MOD_SINE;

  197.             case 1:

  198.                 return FLUID_CHORUS_MOD_TRIANGLE;

  199.             default:

  200.                 return FLUID_CHORUS_DEFAULT_TYPE;

  201.             }

  202.         case FluidSynthInterpolation:

  203.             switch (scalePointId)

  204.             {

  205.             case 0:

  206.                 return FLUID_INTERP_NONE;

  207.             case 1:

  208.                 return FLUID_INTERP_LINEAR;

  209.             case 2:

  210.                 return FLUID_INTERP_4THORDER;

  211.             case 3:

  212.                 return FLUID_INTERP_7THORDER;

  213.             default:

  214.                 return FLUID_INTERP_DEFAULT;

  215.             }

  216.         default:

  217.             return 0.0f;

  218.         }

  219.     }

  220. 

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

  222.     {

  223.         if (fLabel != nullptr)

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

  225.         else

  226.             CarlaPlugin::getLabel(strBuf);

  227.     }

  228. 

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

  230.     {

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

  232.     }

  233. 

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

  235.     {

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

  237.     }

  238. 

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

  240.     {

  241.         getLabel(strBuf);

  242.     }

  243. 

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

  245.     {

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

  247. 

  248.         switch (parameterId)

  249.         {

  250.         case FluidSynthReverbOnOff:

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

  252.             break;

  253.         case FluidSynthReverbRoomSize:

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

  255.             break;

  256.         case FluidSynthReverbDamp:

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

  258.             break;

  259.         case FluidSynthReverbLevel:

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

  261.             break;

  262.         case FluidSynthReverbWidth:

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

  264.             break;

  265.         case FluidSynthChorusOnOff:

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

  267.             break;

  268.         case FluidSynthChorusNr:

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

  270.             break;

  271.         case FluidSynthChorusLevel:

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

  273.             break;

  274.         case FluidSynthChorusSpeedHz:

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

  276.             break;

  277.         case FluidSynthChorusDepthMs:

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

  279.             break;

  280.         case FluidSynthChorusType:

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

  282.             break;

  283.         case FluidSynthPolyphony:

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

  285.             break;

  286.         case FluidSynthInterpolation:

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

  288.             break;

  289.         case FluidSynthVoiceCount:

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

  291.             break;

  292.         default:

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

  294.             break;

  295.         }

  296.     }

  297. 

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

  299.     {

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

  301. 

  302.         switch (parameterId)

  303.         {

  304.         case FluidSynthChorusSpeedHz:

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

  306.             break;

  307.         case FluidSynthChorusDepthMs:

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

  309.             break;

  310.         default:

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

  312.             break;

  313.         }

  314.     }

  315. 

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

  317.     {

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

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

  320. 

  321.         switch (parameterId)

  322.         {

  323.         case FluidSynthChorusType:

  324.             switch (scalePointId)

  325.             {

  326.             case 0:

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

  328.                 return;

  329.             case 1:

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

  331.                 return;

  332.             }

  333.         case FluidSynthInterpolation:

  334.             switch (scalePointId)

  335.             {

  336.             case 0:

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

  338.                 return;

  339.             case 1:

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

  341.                 return;

  342.             case 2:

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

  344.                 return;

  345.             case 3:

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

  347.                 return;

  348.             }

  349.         }

  350. 

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

  352.     }

  353. 

  354.     // -------------------------------------------------------------------

  355.     // Set data (state)

  356. 

  357.     void prepareForSave() override

  358.     {

  359.         char strBuf[STR_MAX+1];

  360.         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],

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

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

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

  364. 

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

  366.     }

  367. 

  368.     // -------------------------------------------------------------------

  369.     // Set data (internal stuff)

  370. 

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

  372.     {

  373.         if (channel < MAX_MIDI_CHANNELS)

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

  375. 

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

  377.     }

  378. 

  379.     // -------------------------------------------------------------------

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

  381. 

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

  383.     {

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

  385. 

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

  387.         fParamBuffers[parameterId] = fixedValue;

  388. 

  389.         {

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

  391. 

  392.             switch (parameterId)

  393.             {

  394.             case FluidSynthReverbOnOff:

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

  396.                 break;

  397. 

  398.             case FluidSynthReverbRoomSize:

  399.             case FluidSynthReverbDamp:

  400.             case FluidSynthReverbLevel:

  401.             case FluidSynthReverbWidth:

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

  403.                 break;

  404. 

  405.             case FluidSynthChorusOnOff:

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

  407.                 break;

  408. 

  409.             case FluidSynthChorusNr:

  410.             case FluidSynthChorusLevel:

  411.             case FluidSynthChorusSpeedHz:

  412.             case FluidSynthChorusDepthMs:

  413.             case FluidSynthChorusType:

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

  415.                 break;

  416. 

  417.             case FluidSynthPolyphony:

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

  419.                 break;

  420. 

  421.             case FluidSynthInterpolation:

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

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

  424.                 break;

  425. 

  426.             default:

  427.                 break;

  428.             }

  429.         }

  430. 

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

  432.     }

  433. 

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

  435.     {

  436.         CARLA_SAFE_ASSERT_RETURN(fSynth != nullptr,);

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

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

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

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

  441. 

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

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

  444. 

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

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

  447. 

  448.         if (! fUses16Outs)

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

  450. 

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

  452. 

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

  454.         {

  455.             uint i = 0;

  456.             foreach (const QString& midiProg, midiProgramList)

  457.             {

  458.                 CARLA_SAFE_ASSERT_BREAK(i < MAX_MIDI_CHANNELS);

  459. 

  460.                 bool ok;

  461.                 uint index = midiProg.toUInt(&ok);

  462. 

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

  464.                 {

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

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

  467. 

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

  469.                     fCurMidiProgs[i] = index;

  470. 

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

  472.                     {

  473.                         pData->midiprog.current = index;

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

  475.                     }

  476.                 }

  477. 

  478.                 ++i;

  479.             }

  480.         }

  481. 

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

  483.     }

  484. 

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

  486.     {

  487.         CARLA_ASSERT(fSynth != nullptr);

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

  489. 

  490.         if (index < -1)

  491.             index = -1;

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

  493.             return;

  494. 

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

  496.             return;

  497. 

  498.         if (index >= 0)

  499.         {

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

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

  502. 

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

  504. 

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

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

  507.         }

  508. 

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

  510.     }

  511. 

  512.     // -------------------------------------------------------------------

  513.     // Set ui stuff

  514. 

  515.     // nothing

  516. 

  517.     // -------------------------------------------------------------------

  518.     // Plugin state

  519. 

  520.     void reload() override

  521.     {

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

  523.         CARLA_SAFE_ASSERT_RETURN(fSynth != nullptr,);

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

  525. 

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

  527. 

  528.         // Safely disable plugin for reload

  529.         const ScopedDisabler sd(this);

  530. 

  531.         if (pData->active)

  532.             deactivate();

  533. 

  534.         clearBuffers();

  535. 

  536.         uint32_t aOuts, params;

  537.         aOuts  = fUses16Outs ? 32 : 2;

  538.         params = FluidSynthParametersMax;

  539. 

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

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

  542. 

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

  544.         CarlaString portName;

  545. 

  546.         // ---------------------------------------

  547.         // Audio Outputs

  548. 

  549.         if (fUses16Outs)

  550.         {

  551.             for (int i=0; i < 32; ++i)

  552.             {

  553.                 portName.clear();

  554. 

  555.                 if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  556.                 {

  557.                     portName  = pData->name;

  558.                     portName += ":";

  559.                 }

  560. 

  561.                 portName += "out-";

  562. 

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

  564.                     portName += "0";

  565. 

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

  567. 

  568.                 if (i % 2 == 0)

  569.                     portName += "L";

  570.                 else

  571.                     portName += "R";

  572. 

  573.                 portName.truncate(portNameSize);

  574. 

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

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

  577.             }

  578. 

  579.             fAudio16Buffers = new float*[aOuts];

  580. 

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

  582.                 fAudio16Buffers[i] = nullptr;

  583.         }

  584.         else

  585.         {

  586.             // out-left

  587.             portName.clear();

  588. 

  589.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  590.             {

  591.                 portName  = pData->name;

  592.                 portName += ":";

  593.             }

  594. 

  595.             portName += "out-left";

  596.             portName.truncate(portNameSize);

  597. 

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

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

  600. 

  601.             // out-right

  602.             portName.clear();

  603. 

  604.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  605.             {

  606.                 portName  = pData->name;

  607.                 portName += ":";

  608.             }

  609. 

  610.             portName += "out-right";

  611.             portName.truncate(portNameSize);

  612. 

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

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

  615.         }

  616. 

  617.         // ---------------------------------------

  618.         // Event Input

  619. 

  620.         {

  621.             portName.clear();

  622. 

  623.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  624.             {

  625.                 portName  = pData->name;

  626.                 portName += ":";

  627.             }

  628. 

  629.             portName += "events-in";

  630.             portName.truncate(portNameSize);

  631. 

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

  633.         }

  634. 

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

  636.         // Event Output

  637. 

  638.         {

  639.             portName.clear();

  640. 

  641.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  642.             {

  643.                 portName  = pData->name;

  644.                 portName += ":";

  645.             }

  646. 

  647.             portName += "events-out";

  648.             portName.truncate(portNameSize);

  649. 

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

  651.         }

  652. 

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

  654.         // Parameters

  655. 

  656.         {

  657.             int j;

  658. 

  659.             // ----------------------

  660.             j = FluidSynthReverbOnOff;

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

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

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

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

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

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

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

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

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

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

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

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

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

  674. 

  675.             // ----------------------

  676.             j = FluidSynthReverbRoomSize;

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

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

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

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

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

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

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

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

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

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

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

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

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

  690. 

  691.             // ----------------------

  692.             j = FluidSynthReverbDamp;

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

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

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

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

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

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

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

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

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

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

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

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

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

  706. 

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

  708.             j = FluidSynthReverbLevel;

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

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

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

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

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

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

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

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

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

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

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

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

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

  722. 

  723.             // ----------------------

  724.             j = FluidSynthReverbWidth;

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

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

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

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

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

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

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

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

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

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

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

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

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

  738. 

  739.             // ----------------------

  740.             j = FluidSynthChorusOnOff;

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

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

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

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

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

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

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

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

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

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

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

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

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

  754. 

  755.             // ----------------------

  756.             j = FluidSynthChorusNr;

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

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

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

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

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

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

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

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

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

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

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

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

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

  770. 

  771.             // ----------------------

  772.             j = FluidSynthChorusLevel;

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

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

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

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

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

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

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

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

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

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

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

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

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

  786. 

  787.             // ----------------------

  788.             j = FluidSynthChorusSpeedHz;

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

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

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

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

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

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

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

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

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

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

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

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

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

  802. 

  803.             // ----------------------

  804.             j = FluidSynthChorusDepthMs;

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

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

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

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

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

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

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

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

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

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

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

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

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

  818. 

  819.             // ----------------------

  820.             j = FluidSynthChorusType;

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

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

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

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

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

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

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

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

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

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

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

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

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

  834. 

  835.             // ----------------------

  836.             j = FluidSynthPolyphony;

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

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

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

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

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

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

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

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

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

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

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

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

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

  850. 

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

  852.             j = FluidSynthInterpolation;

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

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

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

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

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

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

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

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

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

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

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

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

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

  866. 

  867.             // ----------------------

  868.             j = FluidSynthVoiceCount;

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

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

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

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

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

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

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

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

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

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

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

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

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

  882.         }

  883. 

  884.         // ---------------------------------------

  885. 

  886.         // plugin hints

  887.         pData->hints  = 0x0;

  888.         pData->hints |= PLUGIN_IS_SYNTH;

  889.         pData->hints |= PLUGIN_CAN_VOLUME;

  890. 

  891.         if (! fUses16Outs)

  892.             pData->hints |= PLUGIN_CAN_BALANCE;

  893. 

  894.         // extra plugin hints

  895.         pData->extraHints  = 0x0;

  896.         pData->extraHints |= PLUGIN_EXTRA_HINT_HAS_MIDI_IN;

  897. 

  898.         if (! fUses16Outs)

  899.             pData->extraHints |= PLUGIN_EXTRA_HINT_CAN_RUN_RACK;

  900. 

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

  902.         reloadPrograms(true);

  903. 

  904.         if (pData->active)

  905.             activate();

  906. 

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

  908.     }

  909. 

  910.     void reloadPrograms(const bool init) override

  911.     {

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

  913. 

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

  915.         bool hasDrums = false;

  916.         uint32_t drumIndex, drumProg;

  917. 

  918.         // Delete old programs

  919.         pData->midiprog.clear();

  920. 

  921.         // Query new programs

  922.         uint32_t count = 0;

  923. 

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

  925.         {

  926.             fluid_preset_t f_preset;

  927. 

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

  929.             f_sfont->iteration_start(f_sfont);

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

  931.                 ++count;

  932. 

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

  934.             CARLA_SAFE_ASSERT_RETURN(count > 0,);

  935. 

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

  937. 

  938.             // Update data

  939.             uint32_t i = 0;

  940.             f_sfont->iteration_start(f_sfont);

  941. 

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

  943.             {

  944.                 CARLA_SAFE_ASSERT_BREAK(i < count);

  945. 

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

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

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

  949. 

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

  951.                 {

  952.                     hasDrums  = true;

  953.                     drumIndex = i;

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

  955.                 }

  956. 

  957.                 ++i;

  958.             }

  959.         }

  960.         else

  961.         {

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

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

  964.             return;

  965.         }

  966. 

  967. #ifndef BUILD_BRIDGE

  968.         // Update OSC Names

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

  970.         {

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

  972. 

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

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

  975.         }

  976. #endif

  977. 

  978.         if (init)

  979.         {

  980.             fluid_synth_program_reset(fSynth);

  981. 

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

  983.             for (uint32_t i=0; i < MAX_MIDI_CHANNELS && i != 9; ++i)

  984.             {

  985. #ifdef FLUIDSYNTH_VERSION_NEW_API

  986.                 fluid_synth_set_channel_type(fSynth, i, CHANNEL_TYPE_MELODIC);

  987. #endif

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

  989. 

  990.                 fCurMidiProgs[i] = 0;

  991.             }

  992. 

  993.             if (hasDrums)

  994.             {

  995. #ifdef FLUIDSYNTH_VERSION_NEW_API

  996.                 fluid_synth_set_channel_type(fSynth, 9, CHANNEL_TYPE_DRUM);

  997. #endif

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

  999. 

  1000.                 fCurMidiProgs[9] = drumIndex;

  1001.             }

  1002.             else

  1003.             {

  1004. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1005.                 fluid_synth_set_channel_type(fSynth, 9, CHANNEL_TYPE_MELODIC);

  1006. #endif

  1007.                 fluid_synth_program_select(fSynth, 9, fSynthId, pData->midiprog.data[0].bank, pData->midiprog.data[0].program);

  1008. 

  1009.                 fCurMidiProgs[9] = 0;

  1010.             }

  1011. 

  1012.             pData->midiprog.current = 0;

  1013.         }

  1014.         else

  1015.         {

  1016.             pData->engine->callback(ENGINE_CALLBACK_RELOAD_PROGRAMS, pData->id, 0, 0, 0.0f, nullptr);

  1017.         }

  1018.     }

  1019. 

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

  1021.     // Plugin processing

  1022. 

  1023.     void process(float** const, float** const outBuffer, const uint32_t frames) override

  1024.     {

  1025.         // --------------------------------------------------------------------------------------------------------

  1026.         // Check if active

  1027. 

  1028.         if (! pData->active)

  1029.         {

  1030.             // disable any output sound

  1031.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1032.                 FLOAT_CLEAR(outBuffer[i], frames);

  1033.             return;

  1034.         }

  1035. 

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

  1037.         // Check if needs reset

  1038. 

  1039.         if (pData->needsReset)

  1040.         {

  1041.             if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1042.             {

  1043.                 for (int i=0; i < MAX_MIDI_CHANNELS; ++i)

  1044.                 {

  1045. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1046.                     fluid_synth_all_notes_off(fSynth, i);

  1047.                     fluid_synth_all_sounds_off(fSynth, i);

  1048. #else

  1049.                     fluid_synth_cc(fSynth, i, MIDI_CONTROL_ALL_SOUND_OFF, 0);

  1050.                     fluid_synth_cc(fSynth, i, MIDI_CONTROL_ALL_NOTES_OFF, 0);

  1051. #endif

  1052.                 }

  1053.             }

  1054.             else if (pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1055.             {

  1056.                 for (int i=0; i < MAX_MIDI_NOTE; ++i)

  1057.                     fluid_synth_noteoff(fSynth, pData->ctrlChannel, i);

  1058.             }

  1059. 

  1060.             pData->needsReset = false;

  1061.         }

  1062. 

  1063.         // --------------------------------------------------------------------------------------------------------

  1064.         // Event Input and Processing

  1065. 

  1066.         {

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

  1068.             // MIDI Input (External)

  1069. 

  1070.             if (pData->extNotes.mutex.tryLock())

  1071.             {

  1072.                 while (! pData->extNotes.data.isEmpty())

  1073.                 {

  1074.                     const ExternalMidiNote& note(pData->extNotes.data.getFirst(true));

  1075. 

  1076.                     CARLA_SAFE_ASSERT_CONTINUE(note.channel >= 0 && note.channel < MAX_MIDI_CHANNELS);

  1077. 

  1078.                     if (note.velo > 0)

  1079.                         fluid_synth_noteon(fSynth, note.channel, note.note, note.velo);

  1080.                     else

  1081.                         fluid_synth_noteoff(fSynth,note.channel, note.note);

  1082.                 }

  1083. 

  1084.                 pData->extNotes.mutex.unlock();

  1085. 

  1086.             } // End of MIDI Input (External)

  1087. 

  1088.             // ----------------------------------------------------------------------------------------------------

  1089.             // Event Input (System)

  1090. 

  1091.             bool allNotesOffSent = false;

  1092. 

  1093.             uint32_t time, nEvents = pData->event.portIn->getEventCount();

  1094.             uint32_t timeOffset = 0;

  1095. 

  1096.             uint32_t nextBankIds[MAX_MIDI_CHANNELS] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 0, 0, 0, 0, 0, 0 };

  1097. 

  1098.             if (pData->midiprog.current >= 0 && pData->midiprog.count > 0 && pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1099.                 nextBankIds[pData->ctrlChannel] = pData->midiprog.data[pData->midiprog.current].bank;

  1100. 

  1101.             for (uint32_t i=0; i < nEvents; ++i)

  1102.             {

  1103.                 const EngineEvent& event(pData->event.portIn->getEvent(i));

  1104. 

  1105.                 time = event.time;

  1106. 

  1107.                 CARLA_SAFE_ASSERT_CONTINUE(time < frames);

  1108.                 CARLA_SAFE_ASSERT_BREAK(time >= timeOffset);

  1109. 

  1110.                 if (time > timeOffset)

  1111.                 {

  1112.                     if (processSingle(outBuffer, time - timeOffset, timeOffset))

  1113.                     {

  1114.                         timeOffset = time;

  1115. 

  1116.                         if (pData->midiprog.current >= 0 && pData->midiprog.count > 0 && pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1117.                             nextBankIds[pData->ctrlChannel] = pData->midiprog.data[pData->midiprog.current].bank;

  1118.                     }

  1119.                 }

  1120. 

  1121.                 // Control change

  1122.                 switch (event.type)

  1123.                 {

  1124.                 case kEngineEventTypeNull:

  1125.                     break;

  1126. 

  1127.                 case kEngineEventTypeControl:

  1128.                 {

  1129.                     const EngineControlEvent& ctrlEvent = event.ctrl;

  1130. 

  1131.                     switch (ctrlEvent.type)

  1132.                     {

  1133.                     case kEngineControlEventTypeNull:

  1134.                         break;

  1135. 

  1136.                     case kEngineControlEventTypeParameter:

  1137.                     {

  1138. #ifndef BUILD_BRIDGE

  1139.                         // Control backend stuff

  1140.                         if (event.channel == pData->ctrlChannel)

  1141.                         {

  1142.                             float value;

  1143. 

  1144.                             if (MIDI_IS_CONTROL_BREATH_CONTROLLER(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_DRYWET) != 0)

  1145.                             {

  1146.                                 value = ctrlEvent.value;

  1147.                                 setDryWet(value, false, false);

  1148.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_DRYWET, 0, value);

  1149.                             }

  1150. 

  1151.                             if (MIDI_IS_CONTROL_CHANNEL_VOLUME(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_VOLUME) != 0)

  1152.                             {

  1153.                                 value = ctrlEvent.value*127.0f/100.0f;

  1154.                                 setVolume(value, false, false);

  1155.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_VOLUME, 0, value);

  1156.                             }

  1157. 

  1158.                             if (MIDI_IS_CONTROL_BALANCE(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_BALANCE) != 0)

  1159.                             {

  1160.                                 float left, right;

  1161.                                 value = ctrlEvent.value/0.5f - 1.0f;

  1162. 

  1163.                                 if (value < 0.0f)

  1164.                                 {

  1165.                                     left  = -1.0f;

  1166.                                     right = (value*2.0f)+1.0f;

  1167.                                 }

  1168.                                 else if (value > 0.0f)

  1169.                                 {

  1170.                                     left  = (value*2.0f)-1.0f;

  1171.                                     right = 1.0f;

  1172.                                 }

  1173.                                 else

  1174.                                 {

  1175.                                     left  = -1.0f;

  1176.                                     right = 1.0f;

  1177.                                 }

  1178. 

  1179.                                 setBalanceLeft(left, false, false);

  1180.                                 setBalanceRight(right, false, false);

  1181.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_LEFT, 0, left);

  1182.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_RIGHT, 0, right);

  1183.                             }

  1184.                         }

  1185. #endif

  1186. 

  1187.                         // Control plugin parameters

  1188.                         for (uint32_t k=0; k < pData->param.count; ++k)

  1189.                         {

  1190.                             if (pData->param.data[k].midiChannel != event.channel)

  1191.                                 continue;

  1192.                             if (pData->param.data[k].midiCC != ctrlEvent.param)

  1193.                                 continue;

  1194.                             if (pData->param.data[k].hints != PARAMETER_INPUT)

  1195.                                 continue;

  1196.                             if ((pData->param.data[k].hints & PARAMETER_IS_AUTOMABLE) == 0)

  1197.                                 continue;

  1198. 

  1199.                             float value;

  1200. 

  1201.                             if (pData->param.data[k].hints & PARAMETER_IS_BOOLEAN)

  1202.                             {

  1203.                                 value = (ctrlEvent.value < 0.5f) ? pData->param.ranges[k].min : pData->param.ranges[k].max;

  1204.                             }

  1205.                             else

  1206.                             {

  1207.                                 value = pData->param.ranges[k].getUnnormalizedValue(ctrlEvent.value);

  1208. 

  1209.                                 if (pData->param.data[k].hints & PARAMETER_IS_INTEGER)

  1210.                                     value = std::rint(value);

  1211.                             }

  1212. 

  1213.                             setParameterValue(k, value, false, false, false);

  1214.                             pData->postponeRtEvent(kPluginPostRtEventParameterChange, static_cast<int32_t>(k), 0, value);

  1215.                         }

  1216. 

  1217.                         if ((pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0 && ctrlEvent.param <= 0x5F)

  1218.                         {

  1219.                             fluid_synth_cc(fSynth, event.channel, ctrlEvent.param, int(ctrlEvent.value*127.0f));

  1220.                         }

  1221. 

  1222.                         break;

  1223.                     }

  1224. 

  1225.                     case kEngineControlEventTypeMidiBank:

  1226.                         if (event.channel < MAX_MIDI_CHANNELS && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1227.                             nextBankIds[event.channel] = ctrlEvent.param;

  1228.                         break;

  1229. 

  1230.                     case kEngineControlEventTypeMidiProgram:

  1231.                         if (event.channel < MAX_MIDI_CHANNELS && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1232.                         {

  1233.                             const uint32_t bankId(nextBankIds[event.channel]);

  1234.                             const uint32_t progId(ctrlEvent.param);

  1235. 

  1236.                             for (uint32_t k=0; k < pData->midiprog.count; ++k)

  1237.                             {

  1238.                                 if (pData->midiprog.data[k].bank == bankId && pData->midiprog.data[k].program == progId)

  1239.                                 {

  1240.                                     fluid_synth_program_select(fSynth, event.channel, fSynthId, bankId, progId);

  1241.                                     fCurMidiProgs[event.channel] = k;

  1242. 

  1243.                                     if (event.channel == pData->ctrlChannel)

  1244.                                         pData->postponeRtEvent(kPluginPostRtEventMidiProgramChange, k, 0, 0.0f);

  1245. 

  1246.                                     break;

  1247.                                 }

  1248.                             }

  1249.                         }

  1250.                         break;

  1251. 

  1252.                     case kEngineControlEventTypeAllSoundOff:

  1253.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1254.                         {

  1255. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1256.                             fluid_synth_all_sounds_off(fSynth, event.channel);

  1257. #else

  1258.                             fluid_synth_cc(fSynth, event.channel, MIDI_CONTROL_ALL_SOUND_OFF, 0);

  1259. #endif

  1260.                         }

  1261.                         break;

  1262. 

  1263.                     case kEngineControlEventTypeAllNotesOff:

  1264.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1265.                         {

  1266.                             if (event.channel == pData->ctrlChannel && ! allNotesOffSent)

  1267.                             {

  1268.                                 allNotesOffSent = true;

  1269.                                 sendMidiAllNotesOffToCallback();

  1270.                             }

  1271. 

  1272. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1273.                             fluid_synth_all_notes_off(fSynth, event.channel);

  1274. #else

  1275.                             fluid_synth_cc(fSynth, event.channel, MIDI_CONTROL_ALL_NOTES_OFF, 0);

  1276. #endif

  1277.                         }

  1278.                         break;

  1279.                     }

  1280. 

  1281.                     break;

  1282.                 }

  1283. 

  1284.                 case kEngineEventTypeMidi:

  1285.                 {

  1286.                     const EngineMidiEvent& midiEvent(event.midi);

  1287. 

  1288.                     uint8_t status  = MIDI_GET_STATUS_FROM_DATA(midiEvent.data);

  1289.                     uint8_t channel = event.channel;

  1290. 

  1291.                     // Fix bad note-off

  1292.                     if (MIDI_IS_STATUS_NOTE_ON(status) && midiEvent.data[2] == 0)

  1293.                         status = MIDI_STATUS_NOTE_OFF;

  1294. 

  1295.                     if (MIDI_IS_STATUS_NOTE_OFF(status))

  1296.                     {

  1297.                         const uint8_t note = midiEvent.data[1];

  1298. 

  1299.                         fluid_synth_noteoff(fSynth, channel, note);

  1300. 

  1301.                         pData->postponeRtEvent(kPluginPostRtEventNoteOff, channel, note, 0.0f);

  1302.                     }

  1303.                     else if (MIDI_IS_STATUS_NOTE_ON(status))

  1304.                     {

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

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

  1307. 

  1308.                         fluid_synth_noteon(fSynth, channel, note, velo);

  1309. 

  1310.                         pData->postponeRtEvent(kPluginPostRtEventNoteOn, channel, note, velo);

  1311.                     }

  1312.                     else if (MIDI_IS_STATUS_POLYPHONIC_AFTERTOUCH(status) && (pData->options & PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH) != 0)

  1313.                     {

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

  1315.                         //const uint8_t pressure = midiEvent.data[2];

  1316. 

  1317.                         // TODO, not in fluidsynth API

  1318.                     }

  1319.                     else if (MIDI_IS_STATUS_CONTROL_CHANGE(status) && (pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0)

  1320.                     {

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

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

  1323. 

  1324.                         fluid_synth_cc(fSynth, channel, control, value);

  1325.                     }

  1326.                     else if (MIDI_IS_STATUS_CHANNEL_PRESSURE(status) && (pData->options & PLUGIN_OPTION_SEND_CHANNEL_PRESSURE) != 0)

  1327.                     {

  1328.                         const uint8_t pressure = midiEvent.data[1];

  1329. 

  1330.                         fluid_synth_channel_pressure(fSynth, channel, pressure);;

  1331.                     }

  1332.                     else if (MIDI_IS_STATUS_PITCH_WHEEL_CONTROL(status) && (pData->options & PLUGIN_OPTION_SEND_PITCHBEND) != 0)

  1333.                     {

  1334.                         const uint8_t lsb   = midiEvent.data[1];

  1335.                         const uint8_t msb   = midiEvent.data[2];

  1336.                         const int     value = ((msb << 7) | lsb) - 8192;

  1337. 

  1338.                         fluid_synth_pitch_bend(fSynth, channel, value);

  1339.                     }

  1340. 

  1341.                     break;

  1342.                 }

  1343.                 }

  1344.             }

  1345. 

  1346.             pData->postRtEvents.trySplice();

  1347. 

  1348.             if (frames > timeOffset)

  1349.                 processSingle(outBuffer, frames - timeOffset, timeOffset);

  1350. 

  1351.         } // End of Event Input and Processing

  1352. 

  1353.         CARLA_PROCESS_CONTINUE_CHECK;

  1354. 

  1355.         // --------------------------------------------------------------------------------------------------------

  1356.         // Control Output

  1357. 

  1358.         {

  1359.             uint32_t k = FluidSynthVoiceCount;

  1360.             fParamBuffers[k] = float(fluid_synth_get_active_voice_count(fSynth));

  1361.             pData->param.ranges[k].fixValue(fParamBuffers[k]);

  1362. 

  1363.             if (pData->param.data[k].midiCC > 0)

  1364.             {

  1365.                 float value(pData->param.ranges[k].getNormalizedValue(fParamBuffers[k]));

  1366.                 pData->event.portOut->writeControlEvent(0, pData->param.data[k].midiChannel, kEngineControlEventTypeParameter, pData->param.data[k].midiCC, value);

  1367.             }

  1368. 

  1369.         } // End of Control Output

  1370.     }

  1371. 

  1372.     bool processSingle(float** const outBuffer, const uint32_t frames, const uint32_t timeOffset)

  1373.     {

  1374.         CARLA_SAFE_ASSERT_RETURN(outBuffer != nullptr, false);

  1375.         CARLA_SAFE_ASSERT_RETURN(frames > 0, false);

  1376. 

  1377.         // --------------------------------------------------------------------------------------------------------

  1378.         // Try lock, silence otherwise

  1379. 

  1380.         if (pData->engine->isOffline())

  1381.         {

  1382.             pData->singleMutex.lock();

  1383.         }

  1384.         else if (! pData->singleMutex.tryLock())

  1385.         {

  1386.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1387.             {

  1388.                 for (uint32_t k=0; k < frames; ++k)

  1389.                     outBuffer[i][k+timeOffset] = 0.0f;

  1390.             }

  1391. 

  1392.             return false;

  1393.         }

  1394. 

  1395.         // --------------------------------------------------------------------------------------------------------

  1396.         // Fill plugin buffers and Run plugin

  1397. 

  1398.         if (fUses16Outs)

  1399.         {

  1400.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1401.                 FLOAT_CLEAR(fAudio16Buffers[i], frames);

  1402. 

  1403.             fluid_synth_process(fSynth, frames, 0, nullptr, pData->audioOut.count, fAudio16Buffers);

  1404.         }

  1405.         else

  1406.             fluid_synth_write_float(fSynth, frames, outBuffer[0] + timeOffset, 0, 1, outBuffer[1] + timeOffset, 0, 1);

  1407. 

  1408. #ifndef BUILD_BRIDGE

  1409.         // --------------------------------------------------------------------------------------------------------

  1410.         // Post-processing (volume and balance)

  1411. 

  1412.         {

  1413.             // note - balance not possible with fUses16Outs, so we can safely skip fAudioOutBuffers

  1414.             const bool doVolume  = (pData->hints & PLUGIN_CAN_VOLUME) > 0 && pData->postProc.volume != 1.0f;

  1415.             const bool doBalance = (pData->hints & PLUGIN_CAN_BALANCE) > 0 && (pData->postProc.balanceLeft != -1.0f || pData->postProc.balanceRight != 1.0f);

  1416. 

  1417.             float oldBufLeft[doBalance ? frames : 1];

  1418. 

  1419.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1420.             {

  1421.                 // Balance

  1422.                 if (doBalance)

  1423.                 {

  1424.                     if (i % 2 == 0)

  1425.                         FLOAT_COPY(oldBufLeft, outBuffer[i]+timeOffset, frames);

  1426. 

  1427.                     float balRangeL = (pData->postProc.balanceLeft  + 1.0f)/2.0f;

  1428.                     float balRangeR = (pData->postProc.balanceRight + 1.0f)/2.0f;

  1429. 

  1430.                     for (uint32_t k=0; k < frames; ++k)

  1431.                     {

  1432.                         if (i % 2 == 0)

  1433.                         {

  1434.                             // left

  1435.                             outBuffer[i][k+timeOffset]  = oldBufLeft[k]                * (1.0f - balRangeL);

  1436.                             outBuffer[i][k+timeOffset] += outBuffer[i+1][k+timeOffset] * (1.0f - balRangeR);

  1437.                         }

  1438.                         else

  1439.                         {

  1440.                             // right

  1441.                             outBuffer[i][k+timeOffset]  = outBuffer[i][k+timeOffset] * balRangeR;

  1442.                             outBuffer[i][k+timeOffset] += oldBufLeft[k]              * balRangeL;

  1443.                         }

  1444.                     }

  1445.                 }

  1446. 

  1447.                 // Volume

  1448.                 if (fUses16Outs)

  1449.                 {

  1450.                     for (uint32_t k=0; k < frames; ++k)

  1451.                         outBuffer[i][k+timeOffset] = fAudio16Buffers[i][k] * pData->postProc.volume;

  1452.                 }

  1453.                 else if (doVolume)

  1454.                 {

  1455.                     for (uint32_t k=0; k < frames; ++k)

  1456.                         outBuffer[i][k+timeOffset] *= pData->postProc.volume;

  1457.                 }

  1458.             }

  1459. 

  1460.         } // End of Post-processing

  1461. #else

  1462.         if (fUses16Outs)

  1463.         {

  1464.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1465.             {

  1466.                 for (uint32_t k=0; k < frames; ++k)

  1467.                     outBuffer[i][k+timeOffset] = fAudio16Buffers[i][k];

  1468.             }

  1469.         }

  1470. #endif

  1471. 

  1472.         // --------------------------------------------------------------------------------------------------------

  1473. 

  1474.         pData->singleMutex.unlock();

  1475.         return true;

  1476.     }

  1477. 

  1478.     void bufferSizeChanged(const uint32_t newBufferSize) override

  1479.     {

  1480.         if (! fUses16Outs)

  1481.             return;

  1482. 

  1483.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1484.         {

  1485.             if (fAudio16Buffers[i] != nullptr)

  1486.                 delete[] fAudio16Buffers[i];

  1487.             fAudio16Buffers[i] = new float[newBufferSize];

  1488.         }

  1489.     }

  1490. 

  1491.     void sampleRateChanged(const double newSampleRate) override

  1492.     {

  1493.         CARLA_SAFE_ASSERT_RETURN(fSettings != nullptr,);

  1494. 

  1495.         fluid_settings_setnum(fSettings, "synth.sample-rate", newSampleRate);

  1496. 

  1497. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1498.         CARLA_SAFE_ASSERT_RETURN(fSynth != nullptr,);

  1499. 

  1500.         fluid_synth_set_sample_rate(fSynth, float(newSampleRate));

  1501. #endif

  1502.     }

  1503. 

  1504.     // -------------------------------------------------------------------

  1505.     // Plugin buffers

  1506. 

  1507.     void clearBuffers() override

  1508.     {

  1509.         carla_debug("FluidSynthPlugin::clearBuffers() - start");

  1510. 

  1511.         if (fAudio16Buffers != nullptr)

  1512.         {

  1513.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1514.             {

  1515.                 if (fAudio16Buffers[i] != nullptr)

  1516.                 {

  1517.                     delete[] fAudio16Buffers[i];

  1518.                     fAudio16Buffers[i] = nullptr;

  1519.                 }

  1520.             }

  1521. 

  1522.             delete[] fAudio16Buffers;

  1523.             fAudio16Buffers = nullptr;

  1524.         }

  1525. 

  1526.         CarlaPlugin::clearBuffers();

  1527. 

  1528.         carla_debug("FluidSynthPlugin::clearBuffers() - end");

  1529.     }

  1530. 

  1531.     // -------------------------------------------------------------------

  1532. 

  1533.     const void* getExtraStuff() const noexcept override

  1534.     {

  1535.         static const char xtrue[]  = "true";

  1536.         static const char xfalse[] = "false";

  1537.         return fUses16Outs ? xtrue : xfalse;

  1538.     }

  1539. 

  1540.     bool init(const char* const filename, const char* const name, const char* const label)

  1541.     {

  1542.         CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr, false);

  1543. 

  1544.         // ---------------------------------------------------------------

  1545.         // first checks

  1546. 

  1547.         if (pData->client != nullptr)

  1548.         {

  1549.             pData->engine->setLastError("Plugin client is already registered");

  1550.             return false;

  1551.         }

  1552. 

  1553.         if (fSynth == nullptr)

  1554.         {

  1555.             pData->engine->setLastError("null synth");

  1556.             return false;

  1557.         }

  1558. 

  1559.         if (filename == nullptr || filename[0] == '\0')

  1560.         {

  1561.             pData->engine->setLastError("null filename");

  1562.             return false;

  1563.         }

  1564. 

  1565.         if (label == nullptr || label[0] == '\0')

  1566.         {

  1567.             pData->engine->setLastError("null label");

  1568.             return false;

  1569.         }

  1570. 

  1571.         // ---------------------------------------------------------------

  1572.         // open soundfont

  1573. 

  1574.         fSynthId = fluid_synth_sfload(fSynth, filename, 0);

  1575. 

  1576.         if (fSynthId < 0)

  1577.         {

  1578.             pData->engine->setLastError("Failed to load SoundFont file");

  1579.             return false;

  1580.         }

  1581. 

  1582.         // ---------------------------------------------------------------

  1583.         // get info

  1584. 

  1585.         CarlaString label2(label);

  1586. 

  1587.         if (fUses16Outs && ! label2.endsWith(" (16 outs)"))

  1588.             label2 += " (16 outs)";

  1589. 

  1590.         fLabel          = label2.dup();

  1591.         pData->filename = carla_strdup(filename);

  1592. 

  1593.         if (name != nullptr && name[0] != '\0')

  1594.             pData->name = pData->engine->getUniquePluginName(name);

  1595.         else

  1596.             pData->name = pData->engine->getUniquePluginName(label);

  1597. 

  1598.         // ---------------------------------------------------------------

  1599.         // register client

  1600. 

  1601.         pData->client = pData->engine->addClient(this);

  1602. 

  1603.         if (pData->client == nullptr || ! pData->client->isOk())

  1604.         {

  1605.             pData->engine->setLastError("Failed to register plugin client");

  1606.             return false;

  1607.         }

  1608. 

  1609.         // ---------------------------------------------------------------

  1610.         // load plugin settings

  1611. 

  1612.         {

  1613.             // set default options

  1614.             pData->options = 0x0;

  1615. 

  1616.             pData->options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  1617.             pData->options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  1618.             pData->options |= PLUGIN_OPTION_SEND_PITCHBEND;

  1619.             pData->options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  1620. 

  1621.             // set identifier string

  1622.             CarlaString identifier("SF2/");

  1623. 

  1624.             if (const char* const shortname = std::strrchr(filename, OS_SEP))

  1625.                 identifier += shortname+1;

  1626.             else

  1627.                 identifier += label;

  1628. 

  1629.             pData->identifier = identifier.dup();

  1630. 

  1631.             // load settings

  1632.             pData->options = pData->loadSettings(pData->options, getOptionsAvailable());

  1633.         }

  1634. 

  1635.         return true;

  1636.     }

  1637. 

  1638. private:

  1639.     enum FluidSynthInputParameters {

  1640.         FluidSynthReverbOnOff    = 0,

  1641.         FluidSynthReverbRoomSize = 1,

  1642.         FluidSynthReverbDamp     = 2,

  1643.         FluidSynthReverbLevel    = 3,

  1644.         FluidSynthReverbWidth    = 4,

  1645.         FluidSynthChorusOnOff    = 5,

  1646.         FluidSynthChorusNr       = 6,

  1647.         FluidSynthChorusLevel    = 7,

  1648.         FluidSynthChorusSpeedHz  = 8,

  1649.         FluidSynthChorusDepthMs  = 9,

  1650.         FluidSynthChorusType     = 10,

  1651.         FluidSynthPolyphony      = 11,

  1652.         FluidSynthInterpolation  = 12,

  1653.         FluidSynthVoiceCount     = 13,

  1654.         FluidSynthParametersMax  = 14

  1655.     };

  1656. 

  1657.     const bool fUses16Outs;

  1658. 

  1659.     fluid_settings_t* fSettings;

  1660.     fluid_synth_t*    fSynth;

  1661.     int               fSynthId;

  1662. 

  1663.     float** fAudio16Buffers;

  1664.     float   fParamBuffers[FluidSynthParametersMax];

  1665. 

  1666.     int32_t fCurMidiProgs[MAX_MIDI_CHANNELS];

  1667. 

  1668.     const char* fLabel;

  1669. 

  1670.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(FluidSynthPlugin)

  1671. };

  1672. 

  1673. CARLA_BACKEND_END_NAMESPACE

  1674. 

  1675. #endif // WANT_FLUIDSYNTH

  1676. 

  1677. CARLA_BACKEND_START_NAMESPACE

  1678. 

  1679. CarlaPlugin* CarlaPlugin::newFluidSynth(const Initializer& init, const bool use16Outs)

  1680. {

  1681.     carla_debug("CarlaPlugin::newFluidSynth({%p, \"%s\", \"%s\", \"%s\"}, %s)", init.engine, init.filename, init.name, init.label, bool2str(use16Outs));

  1682. 

  1683. #ifdef WANT_FLUIDSYNTH

  1684.     if (init.engine->getProccessMode() == ENGINE_PROCESS_MODE_CONTINUOUS_RACK && use16Outs)

  1685.     {

  1686.         init.engine->setLastError("Carla's rack mode can only work with Stereo modules, please choose the 2-channel only SoundFont version");

  1687.         return nullptr;

  1688.     }

  1689. 

  1690.     if (! fluid_is_soundfont(init.filename))

  1691.     {

  1692.         init.engine->setLastError("Requested file is not a valid SoundFont");

  1693.         return nullptr;

  1694.     }

  1695. 

  1696.     FluidSynthPlugin* const plugin(new FluidSynthPlugin(init.engine, init.id,  use16Outs));

  1697. 

  1698.     if (! plugin->init(init.filename, init.name, init.label))

  1699.     {

  1700.         delete plugin;

  1701.         return nullptr;

  1702.     }

  1703. 

  1704.     plugin->reload();

  1705. 

  1706.     return plugin;

  1707. #else

  1708.     init.engine->setLastError("fluidsynth support not available");

  1709.     return nullptr;

  1710. 

  1711.     // unused

  1712.     (void)use16Outs;

  1713. #endif

  1714. }

  1715. 

  1716. CARLA_BACKEND_END_NAMESPACE