falkTX
/
Carla
mirror of https://github.com/falkTX/Carla
1
0
Fork 0
Code Releases 42 Activity
Audio plugin host https://kx.studio/carla
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
822 Commits
16 Branches
167MB
Tree: a30575155f
Branches Tags
${ item.name }
Create branch ${ searchTerm }
from 'a30575155f'
${ noResults }
Carla/source/backend/plugin/FluidSynthPlugin.cpp

1696 lines
60KB
Raw Blame History 

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

  27. 

  28. CARLA_BACKEND_START_NAMESPACE

  29. 

  30. #if 0

  31. }

  32. #endif

  33. 

  34. #define FLUID_DEFAULT_POLYPHONY 64

  35. 

  36. class FluidSynthPlugin : public CarlaPlugin

  37. {

  38. public:

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

  40.         : CarlaPlugin(engine, id),

  41.           kUses16Outs(use16Outs),

  42.           fSettings(nullptr),

  43.           fSynth(nullptr),

  44.           fSynthId(-1),

  45. #ifdef CARLA_PROPER_CPP11_SUPPORT

  46.           fAudio16Buffers(nullptr),

  47.           fParamBuffers{0.0f},

  48.           fCurMidiProgs{0}

  49. #else

  50.           fAudio16Buffers(nullptr)

  51. #endif

  52.     {

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

  54. 

  55. #ifndef CARLA_PROPER_CPP11_SUPPORT

  56.         carla_zeroFloat(fParamBuffers, FluidSynthParametersMax);

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

  58. #endif

  59. 

  60.         // create settings

  61.         fSettings = new_fluid_settings();

  62.         CARLA_ASSERT(fSettings != nullptr);

  63. 

  64.         // define settings

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

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

  67.         fluid_settings_setnum(fSettings, "synth.sample-rate", kData->engine->getSampleRate());

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

  69. 

  70.         // create synth

  71.         fSynth = new_fluid_synth(fSettings);

  72.         CARLA_ASSERT(fSynth != nullptr);

  73. 

  74. #ifdef FLUIDSYNTH_VERSION_NEW_API

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

  76. #endif

  77. 

  78.         // set default values

  79.         fluid_synth_set_reverb_on(fSynth, 0);

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

  81. 

  82.         fluid_synth_set_chorus_on(fSynth, 0);

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

  84. 

  85.         fluid_synth_set_polyphony(fSynth, FLUID_DEFAULT_POLYPHONY);

  86.         fluid_synth_set_gain(fSynth, 1.0f);

  87. 

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

  89.             fluid_synth_set_interp_method(fSynth, i, FLUID_INTERP_DEFAULT);

  90.     }

  91. 

  92.     ~FluidSynthPlugin() override

  93.     {

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

  95. 

  96.         kData->singleMutex.lock();

  97.         kData->masterMutex.lock();

  98. 

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

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

  101. 

  102.         if (kData->active)

  103.         {

  104.             deactivate();

  105.             kData->active = false;

  106.         }

  107. 

  108.         delete_fluid_synth(fSynth);

  109.         delete_fluid_settings(fSettings);

  110. 

  111.         clearBuffers();

  112.     }

  113. 

  114.     // -------------------------------------------------------------------

  115.     // Information (base)

  116. 

  117.     PluginType type() const override

  118.     {

  119.         return PLUGIN_SF2;

  120.     }

  121. 

  122.     PluginCategory category() override

  123.     {

  124.         return PLUGIN_CATEGORY_SYNTH;

  125.     }

  126. 

  127.     // -------------------------------------------------------------------

  128.     // Information (count)

  129. 

  130.     uint32_t parameterScalePointCount(const uint32_t parameterId) const override

  131.     {

  132.         CARLA_ASSERT(parameterId < kData->param.count);

  133. 

  134.         switch (parameterId)

  135.         {

  136.         case FluidSynthChorusType:

  137.             return 2;

  138.         case FluidSynthInterpolation:

  139.             return 4;

  140.         default:

  141.             return 0;

  142.         }

  143.     }

  144. 

  145.     // -------------------------------------------------------------------

  146.     // Information (current data)

  147. 

  148.     // nothing

  149. 

  150.     // -------------------------------------------------------------------

  151.     // Information (per-plugin data)

  152. 

  153.     unsigned int availableOptions() override

  154.     {

  155.         unsigned int options = 0x0;

  156. 

  157.         options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  158.         options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  159.         options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  160.         options |= PLUGIN_OPTION_SEND_PITCHBEND;

  161.         options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  162. 

  163.         return options;

  164.     }

  165. 

  166.     float getParameterValue(const uint32_t parameterId) override

  167.     {

  168.         CARLA_ASSERT(parameterId < kData->param.count);

  169. 

  170.         return fParamBuffers[parameterId];

  171.     }

  172. 

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

  174.     {

  175.         CARLA_ASSERT(parameterId < kData->param.count);

  176.         CARLA_ASSERT(scalePointId < parameterScalePointCount(parameterId));

  177. 

  178.         switch (parameterId)

  179.         {

  180.         case FluidSynthChorusType:

  181.             switch (scalePointId)

  182.             {

  183.             case 0:

  184.                 return FLUID_CHORUS_MOD_SINE;

  185.             case 1:

  186.                 return FLUID_CHORUS_MOD_TRIANGLE;

  187.             default:

  188.                 return FLUID_CHORUS_DEFAULT_TYPE;

  189.             }

  190.         case FluidSynthInterpolation:

  191.             switch (scalePointId)

  192.             {

  193.             case 0:

  194.                 return FLUID_INTERP_NONE;

  195.             case 1:

  196.                 return FLUID_INTERP_LINEAR;

  197.             case 2:

  198.                 return FLUID_INTERP_4THORDER;

  199.             case 3:

  200.                 return FLUID_INTERP_7THORDER;

  201.             default:

  202.                 return FLUID_INTERP_DEFAULT;

  203.             }

  204.         default:

  205.             return 0.0f;

  206.         }

  207.     }

  208. 

  209.     void getLabel(char* const strBuf) override

  210.     {

  211.         if (fLabel.isNotEmpty())

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

  213.         else

  214.             CarlaPlugin::getLabel(strBuf);

  215.     }

  216. 

  217.     void getMaker(char* const strBuf) override

  218.     {

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

  220.     }

  221. 

  222.     void getCopyright(char* const strBuf) override

  223.     {

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

  225.     }

  226. 

  227.     void getRealName(char* const strBuf) override

  228.     {

  229.         getLabel(strBuf);

  230.     }

  231. 

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

  233.     {

  234.         CARLA_ASSERT(parameterId < kData->param.count);

  235. 

  236.         switch (parameterId)

  237.         {

  238.         case FluidSynthReverbOnOff:

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

  240.             break;

  241.         case FluidSynthReverbRoomSize:

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

  243.             break;

  244.         case FluidSynthReverbDamp:

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

  246.             break;

  247.         case FluidSynthReverbLevel:

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

  249.             break;

  250.         case FluidSynthReverbWidth:

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

  252.             break;

  253.         case FluidSynthChorusOnOff:

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

  255.             break;

  256.         case FluidSynthChorusNr:

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

  258.             break;

  259.         case FluidSynthChorusLevel:

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

  261.             break;

  262.         case FluidSynthChorusSpeedHz:

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

  264.             break;

  265.         case FluidSynthChorusDepthMs:

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

  267.             break;

  268.         case FluidSynthChorusType:

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

  270.             break;

  271.         case FluidSynthPolyphony:

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

  273.             break;

  274.         case FluidSynthInterpolation:

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

  276.             break;

  277.         case FluidSynthVoiceCount:

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

  279.             break;

  280.         default:

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

  282.             break;

  283.         }

  284.     }

  285. 

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

  287.     {

  288.         CARLA_ASSERT(parameterId < kData->param.count);

  289. 

  290.         switch (parameterId)

  291.         {

  292.         case FluidSynthChorusSpeedHz:

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

  294.             break;

  295.         case FluidSynthChorusDepthMs:

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

  297.             break;

  298.         default:

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

  300.             break;

  301.         }

  302.     }

  303. 

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

  305.     {

  306.         CARLA_ASSERT(parameterId < kData->param.count);

  307.         CARLA_ASSERT(scalePointId < parameterScalePointCount(parameterId));

  308. 

  309.         switch (parameterId)

  310.         {

  311.         case FluidSynthChorusType:

  312.             switch (scalePointId)

  313.             {

  314.             case 0:

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

  316.                 return;

  317.             case 1:

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

  319.                 return;

  320.             }

  321.         case FluidSynthInterpolation:

  322.             switch (scalePointId)

  323.             {

  324.             case 0:

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

  326.                 return;

  327.             case 1:

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

  329.                 return;

  330.             case 2:

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

  332.                 return;

  333.             case 3:

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

  335.                 return;

  336.             }

  337.         }

  338. 

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

  340.     }

  341. 

  342.     // -------------------------------------------------------------------

  343.     // Set data (state)

  344. 

  345.     void prepareForSave() override

  346.     {

  347.         CARLA_ASSERT(fSynth != nullptr);

  348. 

  349.         char strBuf[STR_MAX+1];

  350.         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],

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

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

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

  354. 

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

  356.     }

  357. 

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

  359.     // Set data (internal stuff)

  360. 

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

  362.     {

  363.         if (channel < MAX_MIDI_CHANNELS)

  364.             kData->midiprog.current = fCurMidiProgs[channel];

  365. 

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

  367.     }

  368. 

  369.     // -------------------------------------------------------------------

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

  371. 

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

  373.     {

  374.         CARLA_ASSERT(parameterId < kData->param.count);

  375. 

  376.         const float fixedValue(kData->param.fixValue(parameterId, value));

  377.         fParamBuffers[parameterId] = fixedValue;

  378. 

  379.         {

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

  381. 

  382.             switch (parameterId)

  383.             {

  384.             case FluidSynthReverbOnOff:

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

  386.                 break;

  387. 

  388.             case FluidSynthReverbRoomSize:

  389.             case FluidSynthReverbDamp:

  390.             case FluidSynthReverbLevel:

  391.             case FluidSynthReverbWidth:

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

  393.                 break;

  394. 

  395.             case FluidSynthChorusOnOff:

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

  397.                 break;

  398. 

  399.             case FluidSynthChorusNr:

  400.             case FluidSynthChorusLevel:

  401.             case FluidSynthChorusSpeedHz:

  402.             case FluidSynthChorusDepthMs:

  403.             case FluidSynthChorusType:

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

  405.                 break;

  406. 

  407.             case FluidSynthPolyphony:

  408.                 fluid_synth_set_polyphony(fSynth, value);

  409.                 break;

  410. 

  411.             case FluidSynthInterpolation:

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

  413.                     fluid_synth_set_interp_method(fSynth, i, value);

  414.                 break;

  415. 

  416.             default:

  417.                 break;

  418.             }

  419.         }

  420. 

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

  422.     }

  423. 

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

  425.     {

  426.         CARLA_ASSERT(fSynth != nullptr);

  427.         CARLA_ASSERT(type != nullptr);

  428.         CARLA_ASSERT(key != nullptr);

  429.         CARLA_ASSERT(value != nullptr);

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

  431. 

  432.         if (type == nullptr)

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

  434. 

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

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

  437. 

  438.         if (key == nullptr)

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

  440. 

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

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

  443. 

  444.         if (value == nullptr)

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

  446. 

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

  448. 

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

  450.         {

  451.             uint i = 0;

  452.             foreach (const QString& midiProg, midiProgramList)

  453.             {

  454.                 bool ok;

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

  456. 

  457.                 if (ok && index < kData->midiprog.count)

  458.                 {

  459.                     const uint32_t bank    = kData->midiprog.data[index].bank;

  460.                     const uint32_t program = kData->midiprog.data[index].program;

  461. 

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

  463.                     fCurMidiProgs[i] = index;

  464. 

  465.                     if (kData->ctrlChannel == static_cast<int32_t>(i))

  466.                     {

  467.                         kData->midiprog.current = index;

  468.                         kData->engine->callback(CALLBACK_MIDI_PROGRAM_CHANGED, fId, index, 0, 0.0f, nullptr);

  469.                     }

  470.                 }

  471. 

  472.                 ++i;

  473.             }

  474.         }

  475. 

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

  477.     }

  478. 

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

  480.     {

  481.         CARLA_ASSERT(fSynth != nullptr);

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

  483. 

  484.         if (index < -1)

  485.             index = -1;

  486.         else if (index > static_cast<int32_t>(kData->midiprog.count))

  487.             return;

  488. 

  489.         if (kData->ctrlChannel < 0 || kData->ctrlChannel >= MAX_MIDI_CHANNELS)

  490.             return;

  491. 

  492.         if (index >= 0)

  493.         {

  494.             const uint32_t bank    = kData->midiprog.data[index].bank;

  495.             const uint32_t program = kData->midiprog.data[index].program;

  496. 

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

  498.             fluid_synth_program_select(fSynth, kData->ctrlChannel, fSynthId, bank, program);

  499.             fCurMidiProgs[kData->ctrlChannel] = index;

  500.         }

  501. 

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

  503.     }

  504. 

  505.     // -------------------------------------------------------------------

  506.     // Set gui stuff

  507. 

  508.     // nothing

  509. 

  510.     // -------------------------------------------------------------------

  511.     // Plugin state

  512. 

  513.     void reload() override

  514.     {

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

  516.         CARLA_ASSERT(kData->engine != nullptr);

  517.         CARLA_ASSERT(fSynth != nullptr);

  518. 

  519.         if (kData->engine == nullptr)

  520.             return;

  521.         if (fSynth == nullptr)

  522.             return;

  523. 

  524.         const ProcessMode processMode(kData->engine->getProccessMode());

  525. 

  526.         // Safely disable plugin for reload

  527.         const ScopedDisabler sd(this);

  528. 

  529.         if (kData->active)

  530.             deactivate();

  531. 

  532.         clearBuffers();

  533. 

  534.         uint32_t aOuts, params, j;

  535.         aOuts  = kUses16Outs ? 32 : 2;

  536.         params = FluidSynthParametersMax;

  537. 

  538.         kData->audioOut.createNew(aOuts);

  539.         kData->param.createNew(params);

  540. 

  541.         const int   portNameSize = kData->engine->maxPortNameSize();

  542.         CarlaString portName;

  543. 

  544.         // ---------------------------------------

  545.         // Audio Outputs

  546. 

  547.         if (kUses16Outs)

  548.         {

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

  550.             {

  551.                 portName.clear();

  552. 

  553.                 if (processMode == PROCESS_MODE_SINGLE_CLIENT)

  554.                 {

  555.                     portName  = fName;

  556.                     portName += ":";

  557.                 }

  558. 

  559.                 portName += "out-";

  560. 

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

  562.                     portName += "0";

  563. 

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

  565. 

  566.                 if (j % 2 == 0)

  567.                     portName += "L";

  568.                 else

  569.                     portName += "R";

  570. 

  571.                 portName.truncate(portNameSize);

  572. 

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

  574.                 kData->audioOut.ports[j].rindex = j;

  575.             }

  576. 

  577.             fAudio16Buffers = new float*[aOuts];

  578. 

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

  580.                 fAudio16Buffers[j] = nullptr;

  581.         }

  582.         else

  583.         {

  584.             // out-left

  585.             portName.clear();

  586. 

  587.             if (processMode == PROCESS_MODE_SINGLE_CLIENT)

  588.             {

  589.                 portName  = fName;

  590.                 portName += ":";

  591.             }

  592. 

  593.             portName += "out-left";

  594.             portName.truncate(portNameSize);

  595. 

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

  597.             kData->audioOut.ports[0].rindex = 0;

  598. 

  599.             // out-right

  600.             portName.clear();

  601. 

  602.             if (processMode == PROCESS_MODE_SINGLE_CLIENT)

  603.             {

  604.                 portName  = fName;

  605.                 portName += ":";

  606.             }

  607. 

  608.             portName += "out-right";

  609.             portName.truncate(portNameSize);

  610. 

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

  612.             kData->audioOut.ports[1].rindex = 1;

  613.         }

  614. 

  615.         // ---------------------------------------

  616.         // Event Input

  617. 

  618.         {

  619.             portName.clear();

  620. 

  621.             if (processMode == PROCESS_MODE_SINGLE_CLIENT)

  622.             {

  623.                 portName  = fName;

  624.                 portName += ":";

  625.             }

  626. 

  627.             portName += "event-in";

  628.             portName.truncate(portNameSize);

  629. 

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

  631.         }

  632. 

  633.         // ---------------------------------------

  634.         // Event Output

  635. 

  636.         {

  637.             portName.clear();

  638. 

  639.             if (processMode == PROCESS_MODE_SINGLE_CLIENT)

  640.             {

  641.                 portName  = fName;

  642.                 portName += ":";

  643.             }

  644. 

  645.             portName += "event-out";

  646.             portName.truncate(portNameSize);

  647. 

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

  649.         }

  650. 

  651.         // ----------------------

  652.         j = FluidSynthReverbOnOff;

  653.         kData->param.data[j].index  = j;

  654.         kData->param.data[j].rindex = j;

  655.         kData->param.data[j].type   = PARAMETER_INPUT;

  656.         kData->param.data[j].hints  = PARAMETER_IS_ENABLED | PARAMETER_IS_AUTOMABLE | PARAMETER_IS_BOOLEAN;

  657.         kData->param.data[j].midiChannel = 0;

  658.         kData->param.data[j].midiCC = -1;

  659.         kData->param.ranges[j].min = 0.0f;

  660.         kData->param.ranges[j].max = 1.0f;

  661.         kData->param.ranges[j].def = 0.0f; // off

  662.         kData->param.ranges[j].step = 1.0f;

  663.         kData->param.ranges[j].stepSmall = 1.0f;

  664.         kData->param.ranges[j].stepLarge = 1.0f;

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

  666. 

  667.         // ----------------------

  668.         j = FluidSynthReverbRoomSize;

  669.         kData->param.data[j].index  = j;

  670.         kData->param.data[j].rindex = j;

  671.         kData->param.data[j].type   = PARAMETER_INPUT;

  672.         kData->param.data[j].hints  = PARAMETER_IS_ENABLED | PARAMETER_IS_AUTOMABLE;

  673.         kData->param.data[j].midiChannel = 0;

  674.         kData->param.data[j].midiCC = -1;

  675.         kData->param.ranges[j].min = 0.0f;

  676.         kData->param.ranges[j].max = 1.2f;

  677.         kData->param.ranges[j].def = FLUID_REVERB_DEFAULT_ROOMSIZE;

  678.         kData->param.ranges[j].step = 0.01f;

  679.         kData->param.ranges[j].stepSmall = 0.0001f;

  680.         kData->param.ranges[j].stepLarge = 0.1f;

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

  682. 

  683.         // ----------------------

  684.         j = FluidSynthReverbDamp;

  685.         kData->param.data[j].index  = j;

  686.         kData->param.data[j].rindex = j;

  687.         kData->param.data[j].type   = PARAMETER_INPUT;

  688.         kData->param.data[j].hints  = PARAMETER_IS_ENABLED | PARAMETER_IS_AUTOMABLE;

  689.         kData->param.data[j].midiChannel = 0;

  690.         kData->param.data[j].midiCC = -1;

  691.         kData->param.ranges[j].min = 0.0f;

  692.         kData->param.ranges[j].max = 1.0f;

  693.         kData->param.ranges[j].def = FLUID_REVERB_DEFAULT_DAMP;

  694.         kData->param.ranges[j].step = 0.01f;

  695.         kData->param.ranges[j].stepSmall = 0.0001f;

  696.         kData->param.ranges[j].stepLarge = 0.1f;

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

  698. 

  699.         // ----------------------

  700.         j = FluidSynthReverbLevel;

  701.         kData->param.data[j].index  = j;

  702.         kData->param.data[j].rindex = j;

  703.         kData->param.data[j].type   = PARAMETER_INPUT;

  704.         kData->param.data[j].hints  = PARAMETER_IS_ENABLED | PARAMETER_IS_AUTOMABLE;

  705.         kData->param.data[j].midiChannel = 0;

  706.         kData->param.data[j].midiCC = MIDI_CONTROL_REVERB_SEND_LEVEL;

  707.         kData->param.ranges[j].min = 0.0f;

  708.         kData->param.ranges[j].max = 1.0f;

  709.         kData->param.ranges[j].def = FLUID_REVERB_DEFAULT_LEVEL;

  710.         kData->param.ranges[j].step = 0.01f;

  711.         kData->param.ranges[j].stepSmall = 0.0001f;

  712.         kData->param.ranges[j].stepLarge = 0.1f;

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

  714. 

  715.         // ----------------------

  716.         j = FluidSynthReverbWidth;

  717.         kData->param.data[j].index  = j;

  718.         kData->param.data[j].rindex = j;

  719.         kData->param.data[j].type   = PARAMETER_INPUT;

  720.         kData->param.data[j].hints  = PARAMETER_IS_ENABLED | PARAMETER_IS_AUTOMABLE;

  721.         kData->param.data[j].midiChannel = 0;

  722.         kData->param.data[j].midiCC = -1;

  723.         kData->param.ranges[j].min = 0.0f;

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

  725.         kData->param.ranges[j].def = FLUID_REVERB_DEFAULT_WIDTH;

  726.         kData->param.ranges[j].step = 0.01f;

  727.         kData->param.ranges[j].stepSmall = 0.0001f;

  728.         kData->param.ranges[j].stepLarge = 0.1f;

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

  730. 

  731.         // ----------------------

  732.         j = FluidSynthChorusOnOff;

  733.         kData->param.data[j].index  = j;

  734.         kData->param.data[j].rindex = j;

  735.         kData->param.data[j].type   = PARAMETER_INPUT;

  736.         kData->param.data[j].hints  = PARAMETER_IS_ENABLED | PARAMETER_IS_BOOLEAN;

  737.         kData->param.data[j].midiChannel = 0;

  738.         kData->param.data[j].midiCC = -1;

  739.         kData->param.ranges[j].min = 0.0f;

  740.         kData->param.ranges[j].max = 1.0f;

  741.         kData->param.ranges[j].def = 0.0f; // off

  742.         kData->param.ranges[j].step = 1.0f;

  743.         kData->param.ranges[j].stepSmall = 1.0f;

  744.         kData->param.ranges[j].stepLarge = 1.0f;

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

  746. 

  747.         // ----------------------

  748.         j = FluidSynthChorusNr;

  749.         kData->param.data[j].index  = j;

  750.         kData->param.data[j].rindex = j;

  751.         kData->param.data[j].type   = PARAMETER_INPUT;

  752.         kData->param.data[j].hints  = PARAMETER_IS_ENABLED | PARAMETER_IS_INTEGER;

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

  754.         kData->param.data[j].midiCC = -1;

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

  756.         kData->param.ranges[j].max = 99.0f;

  757.         kData->param.ranges[j].def = FLUID_CHORUS_DEFAULT_N;

  758.         kData->param.ranges[j].step = 1.0f;

  759.         kData->param.ranges[j].stepSmall = 1.0f;

  760.         kData->param.ranges[j].stepLarge = 10.0f;

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

  762. 

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

  764.         j = FluidSynthChorusLevel;

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

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

  767.         kData->param.data[j].type   = PARAMETER_INPUT;

  768.         kData->param.data[j].hints  = PARAMETER_IS_ENABLED;

  769.         kData->param.data[j].midiChannel = 0;

  770.         kData->param.data[j].midiCC = 0; //MIDI_CONTROL_CHORUS_SEND_LEVEL;

  771.         kData->param.ranges[j].min = 0.0f;

  772.         kData->param.ranges[j].max = 10.0f;

  773.         kData->param.ranges[j].def = FLUID_CHORUS_DEFAULT_LEVEL;

  774.         kData->param.ranges[j].step = 0.01f;

  775.         kData->param.ranges[j].stepSmall = 0.0001f;

  776.         kData->param.ranges[j].stepLarge = 0.1f;

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

  778. 

  779.         // ----------------------

  780.         j = FluidSynthChorusSpeedHz;

  781.         kData->param.data[j].index  = j;

  782.         kData->param.data[j].rindex = j;

  783.         kData->param.data[j].type   = PARAMETER_INPUT;

  784.         kData->param.data[j].hints  = PARAMETER_IS_ENABLED;

  785.         kData->param.data[j].midiChannel = 0;

  786.         kData->param.data[j].midiCC = -1;

  787.         kData->param.ranges[j].min = 0.29f;

  788.         kData->param.ranges[j].max = 5.0f;

  789.         kData->param.ranges[j].def = FLUID_CHORUS_DEFAULT_SPEED;

  790.         kData->param.ranges[j].step = 0.01f;

  791.         kData->param.ranges[j].stepSmall = 0.0001f;

  792.         kData->param.ranges[j].stepLarge = 0.1f;

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

  794. 

  795.         // ----------------------

  796.         j = FluidSynthChorusDepthMs;

  797.         kData->param.data[j].index  = j;

  798.         kData->param.data[j].rindex = j;

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

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

  801.         kData->param.data[j].midiChannel = 0;

  802.         kData->param.data[j].midiCC = -1;

  803.         kData->param.ranges[j].min = 0.0f;

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

  805.         kData->param.ranges[j].def = FLUID_CHORUS_DEFAULT_DEPTH;

  806.         kData->param.ranges[j].step = 0.01f;

  807.         kData->param.ranges[j].stepSmall = 0.0001f;

  808.         kData->param.ranges[j].stepLarge = 0.1f;

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

  810. 

  811.         // ----------------------

  812.         j = FluidSynthChorusType;

  813.         kData->param.data[j].index  = j;

  814.         kData->param.data[j].rindex = j;

  815.         kData->param.data[j].type   = PARAMETER_INPUT;

  816.         kData->param.data[j].hints  = PARAMETER_IS_ENABLED | PARAMETER_IS_INTEGER | PARAMETER_USES_SCALEPOINTS;

  817.         kData->param.data[j].midiChannel = 0;

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

  819.         kData->param.ranges[j].min = FLUID_CHORUS_MOD_SINE;

  820.         kData->param.ranges[j].max = FLUID_CHORUS_MOD_TRIANGLE;

  821.         kData->param.ranges[j].def = FLUID_CHORUS_DEFAULT_TYPE;

  822.         kData->param.ranges[j].step = 1.0f;

  823.         kData->param.ranges[j].stepSmall = 1.0f;

  824.         kData->param.ranges[j].stepLarge = 1.0f;

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

  826. 

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

  828.         j = FluidSynthPolyphony;

  829.         kData->param.data[j].index  = j;

  830.         kData->param.data[j].rindex = j;

  831.         kData->param.data[j].type   = PARAMETER_INPUT;

  832.         kData->param.data[j].hints  = PARAMETER_IS_ENABLED | PARAMETER_IS_INTEGER;

  833.         kData->param.data[j].midiChannel = 0;

  834.         kData->param.data[j].midiCC = -1;

  835.         kData->param.ranges[j].min = 1.0f;

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

  837.         kData->param.ranges[j].def = fluid_synth_get_polyphony(fSynth);

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

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

  840.         kData->param.ranges[j].stepLarge = 10.0f;

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

  842. 

  843.         // ----------------------

  844.         j = FluidSynthInterpolation;

  845.         kData->param.data[j].index  = j;

  846.         kData->param.data[j].rindex = j;

  847.         kData->param.data[j].type   = PARAMETER_INPUT;

  848.         kData->param.data[j].hints  = PARAMETER_IS_ENABLED | PARAMETER_IS_INTEGER | PARAMETER_USES_SCALEPOINTS;

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

  850.         kData->param.data[j].midiCC = -1;

  851.         kData->param.ranges[j].min = FLUID_INTERP_NONE;

  852.         kData->param.ranges[j].max = FLUID_INTERP_HIGHEST;

  853.         kData->param.ranges[j].def = FLUID_INTERP_DEFAULT;

  854.         kData->param.ranges[j].step = 1.0f;

  855.         kData->param.ranges[j].stepSmall = 1.0f;

  856.         kData->param.ranges[j].stepLarge = 1.0f;

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

  858. 

  859.         // ----------------------

  860.         j = FluidSynthVoiceCount;

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

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

  863.         kData->param.data[j].type   = PARAMETER_OUTPUT;

  864.         kData->param.data[j].hints  = PARAMETER_IS_ENABLED | PARAMETER_IS_AUTOMABLE | PARAMETER_IS_INTEGER;

  865.         kData->param.data[j].midiChannel = 0;

  866.         kData->param.data[j].midiCC = -1;

  867.         kData->param.ranges[j].min = 0.0f;

  868.         kData->param.ranges[j].max = 65535.0f;

  869.         kData->param.ranges[j].def = 0.0f;

  870.         kData->param.ranges[j].step = 1.0f;

  871.         kData->param.ranges[j].stepSmall = 1.0f;

  872.         kData->param.ranges[j].stepLarge = 1.0f;

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

  874. 

  875.         // ---------------------------------------

  876. 

  877.         // plugin hints

  878.         fHints  = 0x0;

  879.         fHints |= PLUGIN_IS_SYNTH;

  880.         fHints |= PLUGIN_CAN_VOLUME;

  881.         fHints |= PLUGIN_CAN_BALANCE;

  882. 

  883.         // extra plugin hints

  884.         kData->extraHints  = 0x0;

  885.         kData->extraHints |= PLUGIN_HINT_HAS_MIDI_IN;

  886.         kData->extraHints |= PLUGIN_HINT_CAN_RUN_RACK;

  887. 

  888.         bufferSizeChanged(kData->engine->getBufferSize());

  889.         reloadPrograms(true);

  890. 

  891.         if (kData->active)

  892.             activate();

  893. 

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

  895.     }

  896. 

  897.     void reloadPrograms(const bool init) override

  898.     {

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

  900. 

  901.         // Delete old programs

  902.         kData->midiprog.clear();

  903. 

  904.         // Query new programs

  905.         uint32_t count = 0;

  906.         fluid_sfont_t* f_sfont;

  907.         fluid_preset_t f_preset;

  908. 

  909.         bool hasDrums = false;

  910.         uint32_t drumIndex, drumProg;

  911. 

  912.         f_sfont = fluid_synth_get_sfont_by_id(fSynth, fSynthId);

  913. 

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

  915.         f_sfont->iteration_start(f_sfont);

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

  917.             count += 1;

  918. 

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

  920.         CARLA_ASSERT(count > 0);

  921. 

  922.         if (count == 0)

  923.             return;

  924. 

  925.         kData->midiprog.createNew(count);

  926. 

  927.         // Update data

  928.         uint32_t i = 0;

  929.         f_sfont->iteration_start(f_sfont);

  930. 

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

  932.         {

  933.             CARLA_ASSERT(i < kData->midiprog.count);

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

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

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

  937. 

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

  939.             {

  940.                 hasDrums  = true;

  941.                 drumIndex = i;

  942.                 drumProg  = kData->midiprog.data[i].program;

  943.             }

  944. 

  945.             ++i;

  946.         }

  947. 

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

  949. 

  950. #ifndef BUILD_BRIDGE

  951.         // Update OSC Names

  952.         if (kData->engine->isOscControlRegistered())

  953.         {

  954.             kData->engine->osc_send_control_set_midi_program_count(fId, count);

  955. 

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

  957.                 kData->engine->osc_send_control_set_midi_program_data(fId, i, kData->midiprog.data[i].bank, kData->midiprog.data[i].program, kData->midiprog.data[i].name);

  958.         }

  959. #endif

  960. 

  961.         if (init)

  962.         {

  963.             fluid_synth_program_reset(fSynth);

  964. 

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

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

  967.             {

  968. #ifdef FLUIDSYNTH_VERSION_NEW_API

  969.                 fluid_synth_set_channel_type(fSynth, i, CHANNEL_TYPE_MELODIC);

  970. #endif

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

  972. 

  973.                 fCurMidiProgs[i] = 0;

  974.             }

  975. 

  976.             if (hasDrums)

  977.             {

  978. #ifdef FLUIDSYNTH_VERSION_NEW_API

  979.                 fluid_synth_set_channel_type(fSynth, 9, CHANNEL_TYPE_DRUM);

  980. #endif

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

  982. 

  983.                 fCurMidiProgs[9] = drumIndex;

  984.             }

  985.             else

  986.             {

  987. #ifdef FLUIDSYNTH_VERSION_NEW_API

  988.                 fluid_synth_set_channel_type(fSynth, 9, CHANNEL_TYPE_MELODIC);

  989. #endif

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

  991. 

  992.                 fCurMidiProgs[9] = 0;

  993.             }

  994. 

  995.             kData->midiprog.current = 0;

  996.         }

  997.         else

  998.         {

  999.             kData->engine->callback(CALLBACK_RELOAD_PROGRAMS, fId, 0, 0, 0.0f, nullptr);

  1000.         }

  1001.     }

  1002. 

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

  1004.     // Plugin processing

  1005. 

  1006.     void process(float** const, float** const outBuffer, const uint32_t frames) override

  1007.     {

  1008.         uint32_t i, k;

  1009. 

  1010.         // --------------------------------------------------------------------------------------------------------

  1011.         // Check if active

  1012. 

  1013.         if (! kData->active)

  1014.         {

  1015.             // disable any output sound

  1016.             for (i=0; i < kData->audioOut.count; ++i)

  1017.                 carla_zeroFloat(outBuffer[i], frames);

  1018. 

  1019.             return;

  1020.         }

  1021. 

  1022.         // --------------------------------------------------------------------------------------------------------

  1023.         // Check if needs reset

  1024. 

  1025.         if (kData->needsReset)

  1026.         {

  1027.             if (fOptions & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1028.             {

  1029.                 for (int c=0; c < MAX_MIDI_CHANNELS; ++c)

  1030.                 {

  1031. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1032.                     fluid_synth_all_notes_off(fSynth, c);

  1033.                     fluid_synth_all_sounds_off(fSynth, c);

  1034. #else

  1035.                     fluid_synth_cc(fSynth, c, MIDI_CONTROL_ALL_SOUND_OFF, 0);

  1036.                     fluid_synth_cc(fSynth, c, MIDI_CONTROL_ALL_NOTES_OFF, 0);

  1037. #endif

  1038.                 }

  1039.             }

  1040.             else if (kData->ctrlChannel >= 0 && kData->ctrlChannel < MAX_MIDI_CHANNELS)

  1041.             {

  1042.                 for (k=0; k < MAX_MIDI_NOTE; ++k)

  1043.                     fluid_synth_noteoff(fSynth, kData->ctrlChannel, k);

  1044.             }

  1045. 

  1046.             kData->needsReset = false;

  1047.         }

  1048. 

  1049.         // --------------------------------------------------------------------------------------------------------

  1050.         // Event Input and Processing

  1051. 

  1052.         {

  1053.             // ----------------------------------------------------------------------------------------------------

  1054.             // MIDI Input (External)

  1055. 

  1056.             if (kData->extNotes.mutex.tryLock())

  1057.             {

  1058.                 while (! kData->extNotes.data.isEmpty())

  1059.                 {

  1060.                     const ExternalMidiNote& note(kData->extNotes.data.getFirst(true));

  1061. 

  1062.                     CARLA_ASSERT(note.channel >= 0 && note.channel < MAX_MIDI_CHANNELS);

  1063. 

  1064.                     if (note.velo > 0)

  1065.                         fluid_synth_noteon(fSynth, note.channel, note.note, note.velo);

  1066.                     else

  1067.                         fluid_synth_noteoff(fSynth,note.channel, note.note);

  1068.                 }

  1069. 

  1070.                 kData->extNotes.mutex.unlock();

  1071. 

  1072.             } // End of MIDI Input (External)

  1073. 

  1074.             // ----------------------------------------------------------------------------------------------------

  1075.             // Event Input (System)

  1076. 

  1077.             bool allNotesOffSent = false;

  1078. 

  1079.             uint32_t time, nEvents = kData->event.portIn->getEventCount();

  1080.             uint32_t timeOffset = 0;

  1081. 

  1082.             uint32_t nextBankIds[MAX_MIDI_CHANNELS] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 0, 0, 0, 0, 0, 0 };

  1083. 

  1084.             if (kData->midiprog.current >= 0 && kData->midiprog.count > 0 && kData->ctrlChannel >= 0 && kData->ctrlChannel < MAX_MIDI_CHANNELS)

  1085.                 nextBankIds[kData->ctrlChannel] = kData->midiprog.data[kData->midiprog.current].bank;

  1086. 

  1087.             for (i=0; i < nEvents; ++i)

  1088.             {

  1089.                 const EngineEvent& event(kData->event.portIn->getEvent(i));

  1090. 

  1091.                 time = event.time;

  1092. 

  1093.                 if (time >= frames)

  1094.                     continue;

  1095. 

  1096.                 CARLA_ASSERT_INT2(time >= timeOffset, time, timeOffset);

  1097. 

  1098.                 if (time > timeOffset)

  1099.                 {

  1100.                     if (processSingle(outBuffer, time - timeOffset, timeOffset))

  1101.                     {

  1102.                         timeOffset = time;

  1103. 

  1104.                         if (kData->midiprog.current >= 0 && kData->midiprog.count > 0 && kData->ctrlChannel >= 0 && kData->ctrlChannel < 16)

  1105.                             nextBankIds[kData->ctrlChannel] = kData->midiprog.data[kData->midiprog.current].bank;

  1106.                     }

  1107.                 }

  1108. 

  1109.                 // Control change

  1110.                 switch (event.type)

  1111.                 {

  1112.                 case kEngineEventTypeNull:

  1113.                     break;

  1114. 

  1115.                 case kEngineEventTypeControl:

  1116.                 {

  1117.                     const EngineControlEvent& ctrlEvent = event.ctrl;

  1118. 

  1119.                     switch (ctrlEvent.type)

  1120.                     {

  1121.                     case kEngineControlEventTypeNull:

  1122.                         break;

  1123. 

  1124.                     case kEngineControlEventTypeParameter:

  1125.                     {

  1126. #ifndef BUILD_BRIDGE

  1127.                         // Control backend stuff

  1128.                         if (event.channel == kData->ctrlChannel)

  1129.                         {

  1130.                             float value;

  1131. 

  1132.                             if (MIDI_IS_CONTROL_BREATH_CONTROLLER(ctrlEvent.param) && (fHints & PLUGIN_CAN_DRYWET) > 0)

  1133.                             {

  1134.                                 value = ctrlEvent.value;

  1135.                                 setDryWet(value, false, false);

  1136.                                 postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_DRYWET, 0, value);

  1137.                             }

  1138. 

  1139.                             if (MIDI_IS_CONTROL_CHANNEL_VOLUME(ctrlEvent.param) && (fHints & PLUGIN_CAN_VOLUME) > 0)

  1140.                             {

  1141.                                 value = ctrlEvent.value*127.0f/100.0f;

  1142.                                 setVolume(value, false, false);

  1143.                                 postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_VOLUME, 0, value);

  1144.                             }

  1145. 

  1146.                             if (MIDI_IS_CONTROL_BALANCE(ctrlEvent.param) && (fHints & PLUGIN_CAN_BALANCE) > 0)

  1147.                             {

  1148.                                 float left, right;

  1149.                                 value = ctrlEvent.value/0.5f - 1.0f;

  1150. 

  1151.                                 if (value < 0.0f)

  1152.                                 {

  1153.                                     left  = -1.0f;

  1154.                                     right = (value*2.0f)+1.0f;

  1155.                                 }

  1156.                                 else if (value > 0.0f)

  1157.                                 {

  1158.                                     left  = (value*2.0f)-1.0f;

  1159.                                     right = 1.0f;

  1160.                                 }

  1161.                                 else

  1162.                                 {

  1163.                                     left  = -1.0f;

  1164.                                     right = 1.0f;

  1165.                                 }

  1166. 

  1167.                                 setBalanceLeft(left, false, false);

  1168.                                 setBalanceRight(right, false, false);

  1169.                                 postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_LEFT, 0, left);

  1170.                                 postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_RIGHT, 0, right);

  1171.                             }

  1172.                         }

  1173. #endif

  1174. 

  1175.                         // Control plugin parameters

  1176.                         for (k=0; k < kData->param.count; ++k)

  1177.                         {

  1178.                             if (kData->param.data[k].midiChannel != event.channel)

  1179.                                 continue;

  1180.                             if (kData->param.data[k].midiCC != ctrlEvent.param)

  1181.                                 continue;

  1182.                             if (kData->param.data[k].type != PARAMETER_INPUT)

  1183.                                 continue;

  1184.                             if ((kData->param.data[k].hints & PARAMETER_IS_AUTOMABLE) == 0)

  1185.                                 continue;

  1186. 

  1187.                             float value;

  1188. 

  1189.                             if (kData->param.data[k].hints & PARAMETER_IS_BOOLEAN)

  1190.                             {

  1191.                                 value = (ctrlEvent.value < 0.5f) ? kData->param.ranges[k].min : kData->param.ranges[k].max;

  1192.                             }

  1193.                             else

  1194.                             {

  1195.                                 value = kData->param.ranges[k].unnormalizeValue(ctrlEvent.value);

  1196. 

  1197.                                 if (kData->param.data[k].hints & PARAMETER_IS_INTEGER)

  1198.                                     value = std::rint(value);

  1199.                             }

  1200. 

  1201.                             setParameterValue(k, value, false, false, false);

  1202.                             postponeRtEvent(kPluginPostRtEventParameterChange, static_cast<int32_t>(k), 0, value);

  1203.                         }

  1204. 

  1205.                         if ((fOptions & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0 && ctrlEvent.param <= 0x5F)

  1206.                         {

  1207.                             fluid_synth_cc(fSynth, event.channel, ctrlEvent.param, ctrlEvent.value*127.0f);

  1208.                         }

  1209. 

  1210.                         break;

  1211.                     }

  1212. 

  1213.                     case kEngineControlEventTypeMidiBank:

  1214.                         if (event.channel < MAX_MIDI_CHANNELS && (fOptions & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1215.                             nextBankIds[event.channel] = ctrlEvent.param;

  1216.                         break;

  1217. 

  1218.                     case kEngineControlEventTypeMidiProgram:

  1219.                         if (event.channel < MAX_MIDI_CHANNELS && (fOptions & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1220.                         {

  1221.                             const uint32_t bankId(nextBankIds[event.channel]);

  1222.                             const uint32_t progId(ctrlEvent.param);

  1223. 

  1224.                             for (k=0; k < kData->midiprog.count; ++k)

  1225.                             {

  1226.                                 if (kData->midiprog.data[k].bank == bankId && kData->midiprog.data[k].program == progId)

  1227.                                 {

  1228.                                     fluid_synth_program_select(fSynth, event.channel, fSynthId, bankId, progId);

  1229.                                     fCurMidiProgs[event.channel] = k;

  1230. 

  1231.                                     if (event.channel == kData->ctrlChannel)

  1232.                                         postponeRtEvent(kPluginPostRtEventMidiProgramChange, k, 0, 0.0f);

  1233. 

  1234.                                     break;

  1235.                                 }

  1236.                             }

  1237.                         }

  1238.                         break;

  1239. 

  1240.                     case kEngineControlEventTypeAllSoundOff:

  1241.                         if (fOptions & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1242.                         {

  1243. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1244.                             fluid_synth_all_sounds_off(fSynth, event.channel);

  1245. #else

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

  1247. #endif

  1248.                         }

  1249.                         break;

  1250. 

  1251.                     case kEngineControlEventTypeAllNotesOff:

  1252.                         if (fOptions & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1253.                         {

  1254.                             if (event.channel == kData->ctrlChannel && ! allNotesOffSent)

  1255.                             {

  1256.                                 allNotesOffSent = true;

  1257.                                 sendMidiAllNotesOffToCallback();

  1258.                             }

  1259. 

  1260. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1261.                             fluid_synth_all_notes_off(fSynth, event.channel);

  1262. #else

  1263.                             fluid_synth_cc(fSynth, event.channel, MIDI_CONTROL_ALL_NOTES_OFF, 0);

  1264. #endif

  1265.                         }

  1266.                         break;

  1267.                     }

  1268. 

  1269.                     break;

  1270.                 }

  1271. 

  1272.                 case kEngineEventTypeMidi:

  1273.                 {

  1274.                     const EngineMidiEvent& midiEvent(event.midi);

  1275. 

  1276.                     uint8_t status  = MIDI_GET_STATUS_FROM_DATA(midiEvent.data);

  1277.                     uint8_t channel = event.channel;

  1278. 

  1279.                     // Fix bad note-off

  1280.                     if (MIDI_IS_STATUS_NOTE_ON(status) && midiEvent.data[2] == 0)

  1281.                         status -= 0x10;

  1282. 

  1283.                     if (MIDI_IS_STATUS_NOTE_OFF(status))

  1284.                     {

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

  1286. 

  1287.                         fluid_synth_noteoff(fSynth, channel, note);

  1288. 

  1289.                         postponeRtEvent(kPluginPostRtEventNoteOff, channel, note, 0.0f);

  1290.                     }

  1291.                     else if (MIDI_IS_STATUS_NOTE_ON(status))

  1292.                     {

  1293.                         const uint8_t note = midiEvent.data[1];

  1294.                         const uint8_t velo = midiEvent.data[2];

  1295. 

  1296.                         fluid_synth_noteon(fSynth, channel, note, velo);

  1297. 

  1298.                         postponeRtEvent(kPluginPostRtEventNoteOn, channel, note, velo);

  1299.                     }

  1300.                     else if (MIDI_IS_STATUS_POLYPHONIC_AFTERTOUCH(status) && (fOptions & PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH) != 0)

  1301.                     {

  1302.                         //const uint8_t note     = midiEvent.data[1];

  1303.                         //const uint8_t pressure = midiEvent.data[2];

  1304. 

  1305.                         // TODO, not in fluidsynth API

  1306.                     }

  1307.                     else if (MIDI_IS_STATUS_CONTROL_CHANGE(status) && (fOptions & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0)

  1308.                     {

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

  1310.                         const uint8_t value   = midiEvent.data[2];

  1311. 

  1312.                         fluid_synth_cc(fSynth, channel, control, value);

  1313.                     }

  1314.                     else if (MIDI_IS_STATUS_AFTERTOUCH(status) && (fOptions & PLUGIN_OPTION_SEND_CHANNEL_PRESSURE) != 0)

  1315.                     {

  1316.                         const uint8_t pressure = midiEvent.data[1];

  1317. 

  1318.                         fluid_synth_channel_pressure(fSynth, channel, pressure);;

  1319.                     }

  1320.                     else if (MIDI_IS_STATUS_PITCH_WHEEL_CONTROL(status) && (fOptions & PLUGIN_OPTION_SEND_PITCHBEND) != 0)

  1321.                     {

  1322.                         const uint8_t lsb = midiEvent.data[1];

  1323.                         const uint8_t msb = midiEvent.data[2];

  1324. 

  1325.                         fluid_synth_pitch_bend(fSynth, channel, (msb << 7) | lsb);

  1326.                     }

  1327. 

  1328.                     break;

  1329.                 }

  1330.                 }

  1331.             }

  1332. 

  1333.             kData->postRtEvents.trySplice();

  1334. 

  1335.             if (frames > timeOffset)

  1336.                 processSingle(outBuffer, frames - timeOffset, timeOffset);

  1337. 

  1338.         } // End of Event Input and Processing

  1339. 

  1340.         CARLA_PROCESS_CONTINUE_CHECK;

  1341. 

  1342.         // --------------------------------------------------------------------------------------------------------

  1343.         // Control Output

  1344. 

  1345.         {

  1346.             k = FluidSynthVoiceCount;

  1347.             fParamBuffers[k] = fluid_synth_get_active_voice_count(fSynth);

  1348.             kData->param.ranges[k].fixValue(fParamBuffers[k]);

  1349. 

  1350.             if (kData->param.data[k].midiCC > 0)

  1351.             {

  1352.                 float value(kData->param.ranges[k].normalizeValue(fParamBuffers[k]));

  1353.                 kData->event.portOut->writeControlEvent(0, kData->param.data[k].midiChannel, kEngineControlEventTypeParameter, kData->param.data[k].midiCC, value);

  1354.             }

  1355. 

  1356.         } // End of Control Output

  1357.     }

  1358. 

  1359.     bool processSingle(float** const outBuffer, const uint32_t frames, const uint32_t timeOffset)

  1360.     {

  1361.         CARLA_ASSERT(outBuffer != nullptr);

  1362.         CARLA_ASSERT(frames > 0);

  1363. 

  1364.         if (outBuffer == nullptr)

  1365.             return false;

  1366.         if (frames == 0)

  1367.             return false;

  1368. 

  1369.         uint32_t i, k;

  1370. 

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

  1372.         // Try lock, silence otherwise

  1373. 

  1374.         if (kData->engine->isOffline())

  1375.         {

  1376.             kData->singleMutex.lock();

  1377.         }

  1378.         else if (! kData->singleMutex.tryLock())

  1379.         {

  1380.             for (i=0; i < kData->audioOut.count; ++i)

  1381.             {

  1382.                 for (k=0; k < frames; ++k)

  1383.                     outBuffer[i][k+timeOffset] = 0.0f;

  1384.             }

  1385. 

  1386.             return false;

  1387.         }

  1388. 

  1389.         // --------------------------------------------------------------------------------------------------------

  1390.         // Fill plugin buffers and Run plugin

  1391. 

  1392.         if (kUses16Outs)

  1393.         {

  1394.             for (i=0; i < kData->audioOut.count; ++i)

  1395.                 carla_zeroFloat(fAudio16Buffers[i], frames);

  1396. 

  1397.             fluid_synth_process(fSynth, frames, 0, nullptr, kData->audioOut.count, fAudio16Buffers);

  1398.         }

  1399.         else

  1400.             fluid_synth_write_float(fSynth, frames, outBuffer[0] + timeOffset, 0, 1, outBuffer[1] + timeOffset, 0, 1);

  1401. 

  1402. #ifndef BUILD_BRIDGE

  1403.         // --------------------------------------------------------------------------------------------------------

  1404.         // Post-processing (volume and balance)

  1405. 

  1406.         {

  1407.             // note - balance not possible with kUses16Outs, so we can safely skip fAudioOutBuffers

  1408.             const bool doVolume  = (fHints & PLUGIN_CAN_VOLUME) > 0 && kData->postProc.volume != 1.0f;

  1409.             const bool doBalance = (fHints & PLUGIN_CAN_BALANCE) > 0 && (kData->postProc.balanceLeft != -1.0f || kData->postProc.balanceRight != 1.0f);

  1410. 

  1411.             float oldBufLeft[doBalance ? frames : 1];

  1412. 

  1413.             for (i=0; i < kData->audioOut.count; ++i)

  1414.             {

  1415.                 // Balance

  1416.                 if (doBalance)

  1417.                 {

  1418.                     if (i % 2 == 0)

  1419.                         carla_copyFloat(oldBufLeft, outBuffer[i]+timeOffset, frames);

  1420. 

  1421.                     float balRangeL = (kData->postProc.balanceLeft  + 1.0f)/2.0f;

  1422.                     float balRangeR = (kData->postProc.balanceRight + 1.0f)/2.0f;

  1423. 

  1424.                     for (k=0; k < frames; ++k)

  1425.                     {

  1426.                         if (i % 2 == 0)

  1427.                         {

  1428.                             // left

  1429.                             outBuffer[i][k+timeOffset]  = oldBufLeft[k]                * (1.0f - balRangeL);

  1430.                             outBuffer[i][k+timeOffset] += outBuffer[i+1][k+timeOffset] * (1.0f - balRangeR);

  1431.                         }

  1432.                         else

  1433.                         {

  1434.                             // right

  1435.                             outBuffer[i][k+timeOffset]  = outBuffer[i][k+timeOffset] * balRangeR;

  1436.                             outBuffer[i][k+timeOffset] += oldBufLeft[k]              * balRangeL;

  1437.                         }

  1438.                     }

  1439.                 }

  1440. 

  1441.                 // Volume

  1442.                 if (kUses16Outs)

  1443.                 {

  1444.                     for (k=0; k < frames; ++k)

  1445.                         outBuffer[i][k+timeOffset] = fAudio16Buffers[i][k] * kData->postProc.volume;

  1446.                 }

  1447.                 else if (doVolume)

  1448.                 {

  1449.                     for (k=0; k < frames; ++k)

  1450.                         outBuffer[i][k+timeOffset] *= kData->postProc.volume;

  1451.                 }

  1452.             }

  1453. 

  1454.         } // End of Post-processing

  1455. #else

  1456.         if (kUses16Outs)

  1457.         {

  1458.             for (i=0; i < kData->audioOut.count; ++i)

  1459.             {

  1460.                 for (k=0; k < frames; ++k)

  1461.                     outBuffer[i][k+timeOffset] = fAudio16Buffers[i][k];

  1462.             }

  1463.         }

  1464. #endif

  1465. 

  1466.         // --------------------------------------------------------------------------------------------------------

  1467. 

  1468.         kData->singleMutex.unlock();

  1469.         return true;

  1470.     }

  1471. 

  1472.     void bufferSizeChanged(const uint32_t newBufferSize) override

  1473.     {

  1474.         if (! kUses16Outs)

  1475.             return;

  1476. 

  1477.         for (uint32_t i=0; i < kData->audioOut.count; ++i)

  1478.         {

  1479.             if (fAudio16Buffers[i] != nullptr)

  1480.                 delete[] fAudio16Buffers[i];

  1481.             fAudio16Buffers[i] = new float[newBufferSize];

  1482.         }

  1483.     }

  1484. 

  1485.     // -------------------------------------------------------------------

  1486.     // Plugin buffers

  1487. 

  1488.     void clearBuffers() override

  1489.     {

  1490.         carla_debug("FluidSynthPlugin::clearBuffers() - start");

  1491. 

  1492.         if (fAudio16Buffers != nullptr)

  1493.         {

  1494.             for (uint32_t i=0; i < kData->audioOut.count; ++i)

  1495.             {

  1496.                 if (fAudio16Buffers[i] != nullptr)

  1497.                 {

  1498.                     delete[] fAudio16Buffers[i];

  1499.                     fAudio16Buffers[i] = nullptr;

  1500.                 }

  1501.             }

  1502. 

  1503.             delete[] fAudio16Buffers;

  1504.             fAudio16Buffers = nullptr;

  1505.         }

  1506. 

  1507.         CarlaPlugin::clearBuffers();

  1508. 

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

  1510.     }

  1511. 

  1512.     // -------------------------------------------------------------------

  1513. 

  1514.     const void* getExtraStuff() const override

  1515.     {

  1516.         return kUses16Outs ? (const void*)0x1 : nullptr;

  1517.     }

  1518. 

  1519.     bool init(const char* const filename, const char* const name, const char* const label)

  1520.     {

  1521.         CARLA_ASSERT(fSynth != nullptr);

  1522.         CARLA_ASSERT(filename != nullptr);

  1523.         CARLA_ASSERT(label != nullptr);

  1524. 

  1525.         // ---------------------------------------------------------------

  1526.         // first checks

  1527. 

  1528.         if (kData->engine == nullptr)

  1529.         {

  1530.             return false;

  1531.         }

  1532. 

  1533.         if (kData->client != nullptr)

  1534.         {

  1535.             kData->engine->setLastError("Plugin client is already registered");

  1536.             return false;

  1537.         }

  1538. 

  1539.         if (fSynth == nullptr)

  1540.         {

  1541.             kData->engine->setLastError("null synth");

  1542.             return false;

  1543.         }

  1544. 

  1545.         if (filename == nullptr)

  1546.         {

  1547.             kData->engine->setLastError("null filename");

  1548.             return false;

  1549.         }

  1550. 

  1551.         if (label == nullptr)

  1552.         {

  1553.             kData->engine->setLastError("null label");

  1554.             return false;

  1555.         }

  1556. 

  1557.         // ---------------------------------------------------------------

  1558.         // open soundfont

  1559. 

  1560.         fSynthId = fluid_synth_sfload(fSynth, filename, 0);

  1561. 

  1562.         if (fSynthId < 0)

  1563.         {

  1564.             kData->engine->setLastError("Failed to load SoundFont file");

  1565.             return false;

  1566.         }

  1567. 

  1568.         // ---------------------------------------------------------------

  1569.         // get info

  1570. 

  1571.         fFilename = filename;

  1572.         fLabel    = label;

  1573. 

  1574.         if (kUses16Outs && ! fLabel.endsWith(" (16 outs)"))

  1575.             fLabel += " (16 outs)";

  1576. 

  1577.         if (name != nullptr)

  1578.             fName = kData->engine->getUniquePluginName(name);

  1579.         else

  1580.             fName = kData->engine->getUniquePluginName(label);

  1581. 

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

  1583.         // register client

  1584. 

  1585.         kData->client = kData->engine->addClient(this);

  1586. 

  1587.         if (kData->client == nullptr || ! kData->client->isOk())

  1588.         {

  1589.             kData->engine->setLastError("Failed to register plugin client");

  1590.             return false;

  1591.         }

  1592. 

  1593.         // ---------------------------------------------------------------

  1594.         // load plugin settings

  1595. 

  1596.         {

  1597.             // set default options

  1598.             fOptions = 0x0;

  1599. 

  1600.             fOptions |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  1601.             fOptions |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  1602.             fOptions |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  1603.             fOptions |= PLUGIN_OPTION_SEND_PITCHBEND;

  1604.             fOptions |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  1605. 

  1606.             // load settings

  1607.             kData->idStr  = "SF2/";

  1608.             kData->idStr += label;

  1609.             fOptions = kData->loadSettings(fOptions, availableOptions());

  1610.         }

  1611. 

  1612.         return true;

  1613.     }

  1614. 

  1615. private:

  1616.     enum FluidSynthInputParameters {

  1617.         FluidSynthReverbOnOff    = 0,

  1618.         FluidSynthReverbRoomSize = 1,

  1619.         FluidSynthReverbDamp     = 2,

  1620.         FluidSynthReverbLevel    = 3,

  1621.         FluidSynthReverbWidth    = 4,

  1622.         FluidSynthChorusOnOff    = 5,

  1623.         FluidSynthChorusNr       = 6,

  1624.         FluidSynthChorusLevel    = 7,

  1625.         FluidSynthChorusSpeedHz  = 8,

  1626.         FluidSynthChorusDepthMs  = 9,

  1627.         FluidSynthChorusType     = 10,

  1628.         FluidSynthPolyphony      = 11,

  1629.         FluidSynthInterpolation  = 12,

  1630.         FluidSynthVoiceCount     = 13,

  1631.         FluidSynthParametersMax  = 14

  1632.     };

  1633. 

  1634.     const bool kUses16Outs;

  1635. 

  1636.     CarlaString fLabel;

  1637. 

  1638.     fluid_settings_t* fSettings;

  1639.     fluid_synth_t* fSynth;

  1640.     int fSynthId;

  1641. 

  1642.     float** fAudio16Buffers;

  1643.     float   fParamBuffers[FluidSynthParametersMax];

  1644. 

  1645.     int32_t fCurMidiProgs[MAX_MIDI_CHANNELS];

  1646. 

  1647.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(FluidSynthPlugin)

  1648. };

  1649. 

  1650. CARLA_BACKEND_END_NAMESPACE

  1651. 

  1652. #else // WANT_FLUIDSYNTH

  1653. # warning fluidsynth not available (no SF2 support)

  1654. #endif

  1655. 

  1656. CARLA_BACKEND_START_NAMESPACE

  1657. 

  1658. CarlaPlugin* CarlaPlugin::newSF2(const Initializer& init, const bool use16Outs)

  1659. {

  1660.     carla_debug("CarlaPlugin::newSF2({%p, \"%s\", \"%s\", \"%s\"}, %s)", init.engine, init.filename, init.name, init.label, bool2str(use16Outs));

  1661. 

  1662. #ifdef WANT_FLUIDSYNTH

  1663.     if (! fluid_is_soundfont(init.filename))

  1664.     {

  1665.         init.engine->setLastError("Requested file is not a valid SoundFont");

  1666.         return nullptr;

  1667.     }

  1668. 

  1669.     if (init.engine->getProccessMode() == PROCESS_MODE_CONTINUOUS_RACK && use16Outs)

  1670.     {

  1671.         init.engine->setLastError("Carla's rack mode can only work with Stereo modules, please choose the 2-channel only SoundFont version");

  1672.         return nullptr;

  1673.     }

  1674. 

  1675.     FluidSynthPlugin* const plugin(new FluidSynthPlugin(init.engine, init.id,  use16Outs));

  1676. 

  1677.     if (! plugin->init(init.filename, init.name, init.label))

  1678.     {

  1679.         delete plugin;

  1680.         return nullptr;

  1681.     }

  1682. 

  1683.     plugin->reload();

  1684. 

  1685.     return plugin;

  1686. #else

  1687.     init.engine->setLastError("fluidsynth support not available");

  1688.     return nullptr;

  1689. 

  1690.     // unused

  1691.     (void)use16Outs;

  1692. #endif

  1693. }

  1694. 

  1695. CARLA_BACKEND_END_NAMESPACE