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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 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->active)

  100.         {

  101.             deactivate();

  102.             kData->active = false;

  103.         }

  104. 

  105.         delete_fluid_synth(fSynth);

  106.         delete_fluid_settings(fSettings);

  107. 

  108.         clearBuffers();

  109.     }

  110. 

  111.     // -------------------------------------------------------------------

  112.     // Information (base)

  113. 

  114.     PluginType type() const override

  115.     {

  116.         return PLUGIN_SF2;

  117.     }

  118. 

  119.     PluginCategory category() override

  120.     {

  121.         return PLUGIN_CATEGORY_SYNTH;

  122.     }

  123. 

  124.     // -------------------------------------------------------------------

  125.     // Information (count)

  126. 

  127.     uint32_t parameterScalePointCount(const uint32_t parameterId) const override

  128.     {

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

  130. 

  131.         switch (parameterId)

  132.         {

  133.         case FluidSynthChorusType:

  134.             return 2;

  135.         case FluidSynthInterpolation:

  136.             return 4;

  137.         default:

  138.             return 0;

  139.         }

  140.     }

  141. 

  142.     // -------------------------------------------------------------------

  143.     // Information (current data)

  144. 

  145.     // nothing

  146. 

  147.     // -------------------------------------------------------------------

  148.     // Information (per-plugin data)

  149. 

  150.     unsigned int availableOptions() override

  151.     {

  152.         unsigned int options = 0x0;

  153. 

  154.         options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  155.         options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  156.         options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  157.         options |= PLUGIN_OPTION_SEND_PITCHBEND;

  158.         options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  159. 

  160.         return options;

  161.     }

  162. 

  163.     float getParameterValue(const uint32_t parameterId) override

  164.     {

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

  166. 

  167.         return fParamBuffers[parameterId];

  168.     }

  169. 

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

  171.     {

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

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

  174. 

  175.         switch (parameterId)

  176.         {

  177.         case FluidSynthChorusType:

  178.             switch (scalePointId)

  179.             {

  180.             case 0:

  181.                 return FLUID_CHORUS_MOD_SINE;

  182.             case 1:

  183.                 return FLUID_CHORUS_MOD_TRIANGLE;

  184.             default:

  185.                 return FLUID_CHORUS_DEFAULT_TYPE;

  186.             }

  187.         case FluidSynthInterpolation:

  188.             switch (scalePointId)

  189.             {

  190.             case 0:

  191.                 return FLUID_INTERP_NONE;

  192.             case 1:

  193.                 return FLUID_INTERP_LINEAR;

  194.             case 2:

  195.                 return FLUID_INTERP_4THORDER;

  196.             case 3:

  197.                 return FLUID_INTERP_7THORDER;

  198.             default:

  199.                 return FLUID_INTERP_DEFAULT;

  200.             }

  201.         default:

  202.             return 0.0f;

  203.         }

  204.     }

  205. 

  206.     void getLabel(char* const strBuf) override

  207.     {

  208.         if (fLabel.isNotEmpty())

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

  210.         else

  211.             CarlaPlugin::getLabel(strBuf);

  212.     }

  213. 

  214.     void getMaker(char* const strBuf) override

  215.     {

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

  217.     }

  218. 

  219.     void getCopyright(char* const strBuf) override

  220.     {

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

  222.     }

  223. 

  224.     void getRealName(char* const strBuf) override

  225.     {

  226.         getLabel(strBuf);

  227.     }

  228. 

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

  230.     {

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

  232. 

  233.         switch (parameterId)

  234.         {

  235.         case FluidSynthReverbOnOff:

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

  237.             break;

  238.         case FluidSynthReverbRoomSize:

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

  240.             break;

  241.         case FluidSynthReverbDamp:

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

  243.             break;

  244.         case FluidSynthReverbLevel:

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

  246.             break;

  247.         case FluidSynthReverbWidth:

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

  249.             break;

  250.         case FluidSynthChorusOnOff:

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

  252.             break;

  253.         case FluidSynthChorusNr:

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

  255.             break;

  256.         case FluidSynthChorusLevel:

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

  258.             break;

  259.         case FluidSynthChorusSpeedHz:

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

  261.             break;

  262.         case FluidSynthChorusDepthMs:

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

  264.             break;

  265.         case FluidSynthChorusType:

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

  267.             break;

  268.         case FluidSynthPolyphony:

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

  270.             break;

  271.         case FluidSynthInterpolation:

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

  273.             break;

  274.         case FluidSynthVoiceCount:

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

  276.             break;

  277.         default:

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

  279.             break;

  280.         }

  281.     }

  282. 

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

  284.     {

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

  286. 

  287.         switch (parameterId)

  288.         {

  289.         case FluidSynthChorusSpeedHz:

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

  291.             break;

  292.         case FluidSynthChorusDepthMs:

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

  294.             break;

  295.         default:

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

  297.             break;

  298.         }

  299.     }

  300. 

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

  302.     {

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

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

  305. 

  306.         switch (parameterId)

  307.         {

  308.         case FluidSynthChorusType:

  309.             switch (scalePointId)

  310.             {

  311.             case 0:

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

  313.                 return;

  314.             case 1:

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

  316.                 return;

  317.             }

  318.         case FluidSynthInterpolation:

  319.             switch (scalePointId)

  320.             {

  321.             case 0:

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

  323.                 return;

  324.             case 1:

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

  326.                 return;

  327.             case 2:

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

  329.                 return;

  330.             case 3:

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

  332.                 return;

  333.             }

  334.         }

  335. 

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

  337.     }

  338. 

  339.     // -------------------------------------------------------------------

  340.     // Set data (state)

  341. 

  342.     void prepareForSave() override

  343.     {

  344.         CARLA_ASSERT(fSynth != nullptr);

  345. 

  346.         char strBuf[STR_MAX+1];

  347.         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],

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

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

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

  351. 

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

  353.     }

  354. 

  355.     // -------------------------------------------------------------------

  356.     // Set data (internal stuff)

  357. 

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

  359.     {

  360.         if (channel < MAX_MIDI_CHANNELS)

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

  362. 

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

  364.     }

  365. 

  366.     // -------------------------------------------------------------------

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

  368. 

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

  370.     {

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

  372. 

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

  374.         fParamBuffers[parameterId] = fixedValue;

  375. 

  376.         {

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

  378. 

  379.             switch (parameterId)

  380.             {

  381.             case FluidSynthReverbOnOff:

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

  383.                 break;

  384. 

  385.             case FluidSynthReverbRoomSize:

  386.             case FluidSynthReverbDamp:

  387.             case FluidSynthReverbLevel:

  388.             case FluidSynthReverbWidth:

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

  390.                 break;

  391. 

  392.             case FluidSynthChorusOnOff:

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

  394.                 break;

  395. 

  396.             case FluidSynthChorusNr:

  397.             case FluidSynthChorusLevel:

  398.             case FluidSynthChorusSpeedHz:

  399.             case FluidSynthChorusDepthMs:

  400.             case FluidSynthChorusType:

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

  402.                 break;

  403. 

  404.             case FluidSynthPolyphony:

  405.                 fluid_synth_set_polyphony(fSynth, value);

  406.                 break;

  407. 

  408.             case FluidSynthInterpolation:

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

  410.                     fluid_synth_set_interp_method(fSynth, i, value);

  411.                 break;

  412. 

  413.             default:

  414.                 break;

  415.             }

  416.         }

  417. 

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

  419.     }

  420. 

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

  422.     {

  423.         CARLA_ASSERT(fSynth != nullptr);

  424.         CARLA_ASSERT(type != nullptr);

  425.         CARLA_ASSERT(key != nullptr);

  426.         CARLA_ASSERT(value != nullptr);

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

  428. 

  429.         if (type == nullptr)

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

  431. 

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

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

  434. 

  435.         if (key == nullptr)

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

  437. 

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

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

  440. 

  441.         if (value == nullptr)

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

  443. 

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

  445. 

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

  447.         {

  448.             uint i = 0;

  449.             foreach (const QString& midiProg, midiProgramList)

  450.             {

  451.                 bool ok;

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

  453. 

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

  455.                 {

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

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

  458. 

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

  460.                     fCurMidiProgs[i] = index;

  461. 

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

  463.                     {

  464.                         kData->midiprog.current = index;

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

  466.                     }

  467.                 }

  468. 

  469.                 ++i;

  470.             }

  471.         }

  472. 

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

  474.     }

  475. 

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

  477.     {

  478.         CARLA_ASSERT(fSynth != nullptr);

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

  480. 

  481.         if (index < -1)

  482.             index = -1;

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

  484.             return;

  485. 

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

  487.             return;

  488. 

  489.         if (index >= 0)

  490.         {

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

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

  493. 

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

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

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

  497.         }

  498. 

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

  500.     }

  501. 

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

  503.     // Set gui stuff

  504. 

  505.     // nothing

  506. 

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

  508.     // Plugin state

  509. 

  510.     void reload() override

  511.     {

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

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

  514.         CARLA_ASSERT(fSynth != nullptr);

  515. 

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

  517.             return;

  518.         if (fSynth == nullptr)

  519.             return;

  520. 

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

  522. 

  523.         // Safely disable plugin for reload

  524.         const ScopedDisabler sd(this);

  525. 

  526.         if (kData->active)

  527.             deactivate();

  528. 

  529.         clearBuffers();

  530. 

  531.         uint32_t aOuts, params, j;

  532.         aOuts  = kUses16Outs ? 32 : 2;

  533.         params = FluidSynthParametersMax;

  534. 

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

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

  537. 

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

  539.         CarlaString portName;

  540. 

  541.         // ---------------------------------------

  542.         // Audio Outputs

  543. 

  544.         if (kUses16Outs)

  545.         {

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

  547.             {

  548.                 portName.clear();

  549. 

  550.                 if (processMode == PROCESS_MODE_SINGLE_CLIENT)

  551.                 {

  552.                     portName  = fName;

  553.                     portName += ":";

  554.                 }

  555. 

  556.                 portName += "out-";

  557. 

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

  559.                     portName += "0";

  560. 

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

  562. 

  563.                 if (j % 2 == 0)

  564.                     portName += "L";

  565.                 else

  566.                     portName += "R";

  567. 

  568.                 portName.truncate(portNameSize);

  569. 

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

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

  572.             }

  573. 

  574.             fAudio16Buffers = new float*[aOuts];

  575. 

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

  577.                 fAudio16Buffers[j] = nullptr;

  578.         }

  579.         else

  580.         {

  581.             // out-left

  582.             portName.clear();

  583. 

  584.             if (processMode == PROCESS_MODE_SINGLE_CLIENT)

  585.             {

  586.                 portName  = fName;

  587.                 portName += ":";

  588.             }

  589. 

  590.             portName += "out-left";

  591.             portName.truncate(portNameSize);

  592. 

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

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

  595. 

  596.             // out-right

  597.             portName.clear();

  598. 

  599.             if (processMode == PROCESS_MODE_SINGLE_CLIENT)

  600.             {

  601.                 portName  = fName;

  602.                 portName += ":";

  603.             }

  604. 

  605.             portName += "out-right";

  606.             portName.truncate(portNameSize);

  607. 

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

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

  610.         }

  611. 

  612.         // ---------------------------------------

  613.         // Event Input

  614. 

  615.         {

  616.             portName.clear();

  617. 

  618.             if (processMode == PROCESS_MODE_SINGLE_CLIENT)

  619.             {

  620.                 portName  = fName;

  621.                 portName += ":";

  622.             }

  623. 

  624.             portName += "event-in";

  625.             portName.truncate(portNameSize);

  626. 

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

  628.         }

  629. 

  630.         // ---------------------------------------

  631.         // Event Output

  632. 

  633.         {

  634.             portName.clear();

  635. 

  636.             if (processMode == PROCESS_MODE_SINGLE_CLIENT)

  637.             {

  638.                 portName  = fName;

  639.                 portName += ":";

  640.             }

  641. 

  642.             portName += "event-out";

  643.             portName.truncate(portNameSize);

  644. 

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

  646.         }

  647. 

  648.         // ----------------------

  649.         j = FluidSynthReverbOnOff;

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

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

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

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

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

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

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

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

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

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

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

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

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

  663. 

  664.         // ----------------------

  665.         j = FluidSynthReverbRoomSize;

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

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

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

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

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

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

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

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

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

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

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

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

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

  679. 

  680.         // ----------------------

  681.         j = FluidSynthReverbDamp;

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

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

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

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

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

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

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

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

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

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

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

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

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

  695. 

  696.         // ----------------------

  697.         j = FluidSynthReverbLevel;

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

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

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

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

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

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

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

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

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

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

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

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

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

  711. 

  712.         // ----------------------

  713.         j = FluidSynthReverbWidth;

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

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

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

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

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

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

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

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

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

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

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

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

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

  727. 

  728.         // ----------------------

  729.         j = FluidSynthChorusOnOff;

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

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

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

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

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

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

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

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

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

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

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

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

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

  743. 

  744.         // ----------------------

  745.         j = FluidSynthChorusNr;

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

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

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

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

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

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

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

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

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

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

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

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

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

  759. 

  760.         // ----------------------

  761.         j = FluidSynthChorusLevel;

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

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

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

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

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

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

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

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

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

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

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

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

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

  775. 

  776.         // ----------------------

  777.         j = FluidSynthChorusSpeedHz;

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

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

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

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

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

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

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

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

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

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

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

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

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

  791. 

  792.         // ----------------------

  793.         j = FluidSynthChorusDepthMs;

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

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

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

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

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

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

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

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

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

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

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

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

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

  807. 

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

  809.         j = FluidSynthChorusType;

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

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

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

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

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

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

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

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

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

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

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

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

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

  823. 

  824.         // ----------------------

  825.         j = FluidSynthPolyphony;

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

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

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

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

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

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

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

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

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

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

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

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

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

  839. 

  840.         // ----------------------

  841.         j = FluidSynthInterpolation;

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

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

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

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

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

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

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

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

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

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

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

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

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

  855. 

  856.         // ----------------------

  857.         j = FluidSynthVoiceCount;

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

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

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

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

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

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

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

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

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

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

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

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

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

  871. 

  872.         // ---------------------------------------

  873. 

  874.         // plugin hints

  875.         fHints  = 0x0;

  876.         fHints |= PLUGIN_IS_SYNTH;

  877.         fHints |= PLUGIN_CAN_VOLUME;

  878.         fHints |= PLUGIN_CAN_BALANCE;

  879. 

  880.         // extra plugin hints

  881.         kData->extraHints  = 0x0;

  882.         kData->extraHints |= PLUGIN_HINT_HAS_MIDI_IN;

  883.         kData->extraHints |= PLUGIN_HINT_CAN_RUN_RACK;

  884. 

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

  886.         reloadPrograms(true);

  887. 

  888.         if (kData->active)

  889.             activate();

  890. 

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

  892.     }

  893. 

  894.     void reloadPrograms(const bool init) override

  895.     {

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

  897. 

  898.         // Delete old programs

  899.         kData->midiprog.clear();

  900. 

  901.         // Query new programs

  902.         uint32_t count = 0;

  903.         fluid_sfont_t* f_sfont;

  904.         fluid_preset_t f_preset;

  905. 

  906.         bool hasDrums = false;

  907.         uint32_t drumIndex, drumProg;

  908. 

  909.         f_sfont = fluid_synth_get_sfont_by_id(fSynth, fSynthId);

  910. 

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

  912.         f_sfont->iteration_start(f_sfont);

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

  914.             count += 1;

  915. 

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

  917.         CARLA_ASSERT(count > 0);

  918. 

  919.         if (count == 0)

  920.             return;

  921. 

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

  923. 

  924.         // Update data

  925.         uint32_t i = 0;

  926.         f_sfont->iteration_start(f_sfont);

  927. 

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

  929.         {

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

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

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

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

  934. 

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

  936.             {

  937.                 hasDrums  = true;

  938.                 drumIndex = i;

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

  940.             }

  941. 

  942.             ++i;

  943.         }

  944. 

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

  946. 

  947. #ifndef BUILD_BRIDGE

  948.         // Update OSC Names

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

  950.         {

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

  952. 

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

  954.                 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);

  955.         }

  956. #endif

  957. 

  958.         if (init)

  959.         {

  960.             fluid_synth_program_reset(fSynth);

  961. 

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

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

  964.             {

  965. #ifdef FLUIDSYNTH_VERSION_NEW_API

  966.                 fluid_synth_set_channel_type(fSynth, i, CHANNEL_TYPE_MELODIC);

  967. #endif

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

  969. 

  970.                 fCurMidiProgs[i] = 0;

  971.             }

  972. 

  973.             if (hasDrums)

  974.             {

  975. #ifdef FLUIDSYNTH_VERSION_NEW_API

  976.                 fluid_synth_set_channel_type(fSynth, 9, CHANNEL_TYPE_DRUM);

  977. #endif

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

  979. 

  980.                 fCurMidiProgs[9] = drumIndex;

  981.             }

  982.             else

  983.             {

  984. #ifdef FLUIDSYNTH_VERSION_NEW_API

  985.                 fluid_synth_set_channel_type(fSynth, 9, CHANNEL_TYPE_MELODIC);

  986. #endif

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

  988. 

  989.                 fCurMidiProgs[9] = 0;

  990.             }

  991. 

  992.             kData->midiprog.current = 0;

  993.         }

  994.         else

  995.         {

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

  997.         }

  998.     }

  999. 

  1000.     // -------------------------------------------------------------------

  1001.     // Plugin processing

  1002. 

  1003.     void process(float** const, float** const outBuffer, const uint32_t frames) override

  1004.     {

  1005.         uint32_t i, k;

  1006. 

  1007.         // --------------------------------------------------------------------------------------------------------

  1008.         // Check if active

  1009. 

  1010.         if (! kData->active)

  1011.         {

  1012.             // disable any output sound

  1013.             for (i=0; i < kData->audioOut.count; ++i)

  1014.                 carla_zeroFloat(outBuffer[i], frames);

  1015. 

  1016.             return;

  1017.         }

  1018. 

  1019.         // --------------------------------------------------------------------------------------------------------

  1020.         // Check if needs reset

  1021. 

  1022.         if (kData->needsReset)

  1023.         {

  1024.             if (fOptions & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1025.             {

  1026.                 for (int c=0; c < MAX_MIDI_CHANNELS; ++c)

  1027.                 {

  1028. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1029.                     fluid_synth_all_notes_off(fSynth, c);

  1030.                     fluid_synth_all_sounds_off(fSynth, c);

  1031. #else

  1032.                     fluid_synth_cc(fSynth, c, MIDI_CONTROL_ALL_SOUND_OFF, 0);

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

  1034. #endif

  1035.                 }

  1036.             }

  1037.             else if (kData->ctrlChannel >= 0 && kData->ctrlChannel < MAX_MIDI_CHANNELS)

  1038.             {

  1039.                 for (k=0; k < MAX_MIDI_NOTE; ++k)

  1040.                     fluid_synth_noteoff(fSynth, kData->ctrlChannel, k);

  1041.             }

  1042. 

  1043.             kData->needsReset = false;

  1044.         }

  1045. 

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

  1047.         // Event Input and Processing

  1048. 

  1049.         {

  1050.             // ----------------------------------------------------------------------------------------------------

  1051.             // MIDI Input (External)

  1052. 

  1053.             if (kData->extNotes.mutex.tryLock())

  1054.             {

  1055.                 while (! kData->extNotes.data.isEmpty())

  1056.                 {

  1057.                     const ExternalMidiNote& note(kData->extNotes.data.getFirst(true));

  1058. 

  1059.                     CARLA_ASSERT(note.channel >= 0 && note.channel < MAX_MIDI_CHANNELS);

  1060. 

  1061.                     if (note.velo > 0)

  1062.                         fluid_synth_noteon(fSynth, note.channel, note.note, note.velo);

  1063.                     else

  1064.                         fluid_synth_noteoff(fSynth,note.channel, note.note);

  1065.                 }

  1066. 

  1067.                 kData->extNotes.mutex.unlock();

  1068. 

  1069.             } // End of MIDI Input (External)

  1070. 

  1071.             // ----------------------------------------------------------------------------------------------------

  1072.             // Event Input (System)

  1073. 

  1074.             bool allNotesOffSent = false;

  1075. 

  1076.             uint32_t time, nEvents = kData->event.portIn->getEventCount();

  1077.             uint32_t timeOffset = 0;

  1078. 

  1079.             uint32_t nextBankIds[MAX_MIDI_CHANNELS] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 0, 0, 0, 0, 0, 0 };

  1080. 

  1081.             if (kData->midiprog.current >= 0 && kData->midiprog.count > 0 && kData->ctrlChannel >= 0 && kData->ctrlChannel < MAX_MIDI_CHANNELS)

  1082.                 nextBankIds[kData->ctrlChannel] = kData->midiprog.data[kData->midiprog.current].bank;

  1083. 

  1084.             for (i=0; i < nEvents; ++i)

  1085.             {

  1086.                 const EngineEvent& event(kData->event.portIn->getEvent(i));

  1087. 

  1088.                 time = event.time;

  1089. 

  1090.                 if (time >= frames)

  1091.                     continue;

  1092. 

  1093.                 CARLA_ASSERT_INT2(time >= timeOffset, time, timeOffset);

  1094. 

  1095.                 if (time > timeOffset)

  1096.                 {

  1097.                     if (processSingle(outBuffer, time - timeOffset, timeOffset))

  1098.                     {

  1099.                         timeOffset = time;

  1100. 

  1101.                         if (kData->midiprog.current >= 0 && kData->midiprog.count > 0 && kData->ctrlChannel >= 0 && kData->ctrlChannel < 16)

  1102.                             nextBankIds[kData->ctrlChannel] = kData->midiprog.data[kData->midiprog.current].bank;

  1103.                     }

  1104.                 }

  1105. 

  1106.                 // Control change

  1107.                 switch (event.type)

  1108.                 {

  1109.                 case kEngineEventTypeNull:

  1110.                     break;

  1111. 

  1112.                 case kEngineEventTypeControl:

  1113.                 {

  1114.                     const EngineControlEvent& ctrlEvent = event.ctrl;

  1115. 

  1116.                     switch (ctrlEvent.type)

  1117.                     {

  1118.                     case kEngineControlEventTypeNull:

  1119.                         break;

  1120. 

  1121.                     case kEngineControlEventTypeParameter:

  1122.                     {

  1123. #ifndef BUILD_BRIDGE

  1124.                         // Control backend stuff

  1125.                         if (event.channel == kData->ctrlChannel)

  1126.                         {

  1127.                             float value;

  1128. 

  1129.                             if (MIDI_IS_CONTROL_BREATH_CONTROLLER(ctrlEvent.param) && (fHints & PLUGIN_CAN_DRYWET) > 0)

  1130.                             {

  1131.                                 value = ctrlEvent.value;

  1132.                                 setDryWet(value, false, false);

  1133.                                 postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_DRYWET, 0, value);

  1134.                             }

  1135. 

  1136.                             if (MIDI_IS_CONTROL_CHANNEL_VOLUME(ctrlEvent.param) && (fHints & PLUGIN_CAN_VOLUME) > 0)

  1137.                             {

  1138.                                 value = ctrlEvent.value*127.0f/100.0f;

  1139.                                 setVolume(value, false, false);

  1140.                                 postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_VOLUME, 0, value);

  1141.                             }

  1142. 

  1143.                             if (MIDI_IS_CONTROL_BALANCE(ctrlEvent.param) && (fHints & PLUGIN_CAN_BALANCE) > 0)

  1144.                             {

  1145.                                 float left, right;

  1146.                                 value = ctrlEvent.value/0.5f - 1.0f;

  1147. 

  1148.                                 if (value < 0.0f)

  1149.                                 {

  1150.                                     left  = -1.0f;

  1151.                                     right = (value*2.0f)+1.0f;

  1152.                                 }

  1153.                                 else if (value > 0.0f)

  1154.                                 {

  1155.                                     left  = (value*2.0f)-1.0f;

  1156.                                     right = 1.0f;

  1157.                                 }

  1158.                                 else

  1159.                                 {

  1160.                                     left  = -1.0f;

  1161.                                     right = 1.0f;

  1162.                                 }

  1163. 

  1164.                                 setBalanceLeft(left, false, false);

  1165.                                 setBalanceRight(right, false, false);

  1166.                                 postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_LEFT, 0, left);

  1167.                                 postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_RIGHT, 0, right);

  1168.                             }

  1169.                         }

  1170. #endif

  1171. 

  1172.                         // Control plugin parameters

  1173.                         for (k=0; k < kData->param.count; ++k)

  1174.                         {

  1175.                             if (kData->param.data[k].midiChannel != event.channel)

  1176.                                 continue;

  1177.                             if (kData->param.data[k].midiCC != ctrlEvent.param)

  1178.                                 continue;

  1179.                             if (kData->param.data[k].type != PARAMETER_INPUT)

  1180.                                 continue;

  1181.                             if ((kData->param.data[k].hints & PARAMETER_IS_AUTOMABLE) == 0)

  1182.                                 continue;

  1183. 

  1184.                             float value;

  1185. 

  1186.                             if (kData->param.data[k].hints & PARAMETER_IS_BOOLEAN)

  1187.                             {

  1188.                                 value = (ctrlEvent.value < 0.5f) ? kData->param.ranges[k].min : kData->param.ranges[k].max;

  1189.                             }

  1190.                             else

  1191.                             {

  1192.                                 value = kData->param.ranges[i].unnormalizeValue(ctrlEvent.value);

  1193. 

  1194.                                 if (kData->param.data[k].hints & PARAMETER_IS_INTEGER)

  1195.                                     value = std::rint(value);

  1196.                             }

  1197. 

  1198.                             setParameterValue(k, value, false, false, false);

  1199.                             postponeRtEvent(kPluginPostRtEventParameterChange, static_cast<int32_t>(k), 0, value);

  1200.                         }

  1201. 

  1202.                         if ((fOptions & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0 && ctrlEvent.param <= 0x5F)

  1203.                         {

  1204.                             fluid_synth_cc(fSynth, event.channel, ctrlEvent.param, ctrlEvent.value*127.0f);

  1205.                         }

  1206. 

  1207.                         break;

  1208.                     }

  1209. 

  1210.                     case kEngineControlEventTypeMidiBank:

  1211.                         if (event.channel < MAX_MIDI_CHANNELS && (fOptions & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1212.                             nextBankIds[event.channel] = ctrlEvent.param;

  1213.                         break;

  1214. 

  1215.                     case kEngineControlEventTypeMidiProgram:

  1216.                         if (event.channel < MAX_MIDI_CHANNELS && (fOptions & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1217.                         {

  1218.                             const uint32_t bankId(nextBankIds[event.channel]);

  1219.                             const uint32_t progId(ctrlEvent.param);

  1220. 

  1221.                             for (k=0; k < kData->midiprog.count; ++k)

  1222.                             {

  1223.                                 if (kData->midiprog.data[k].bank == bankId && kData->midiprog.data[k].program == progId)

  1224.                                 {

  1225.                                     fluid_synth_program_select(fSynth, event.channel, fSynthId, bankId, progId);

  1226.                                     fCurMidiProgs[event.channel] = k;

  1227. 

  1228.                                     if (event.channel == kData->ctrlChannel)

  1229.                                         postponeRtEvent(kPluginPostRtEventMidiProgramChange, k, 0, 0.0f);

  1230. 

  1231.                                     break;

  1232.                                 }

  1233.                             }

  1234.                         }

  1235.                         break;

  1236. 

  1237.                     case kEngineControlEventTypeAllSoundOff:

  1238.                         if (fOptions & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1239.                         {

  1240. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1241.                             fluid_synth_all_sounds_off(fSynth, event.channel);

  1242. #else

  1243.                             fluid_synth_cc(fSynth, event.channel, MIDI_CONTROL_ALL_SOUND_OFF, 0);

  1244. #endif

  1245.                         }

  1246.                         break;

  1247. 

  1248.                     case kEngineControlEventTypeAllNotesOff:

  1249.                         if (fOptions & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1250.                         {

  1251.                             if (event.channel == kData->ctrlChannel && ! allNotesOffSent)

  1252.                             {

  1253.                                 allNotesOffSent = true;

  1254.                                 sendMidiAllNotesOffToCallback();

  1255.                             }

  1256. 

  1257. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1258.                             fluid_synth_all_notes_off(fSynth, event.channel);

  1259. #else

  1260.                             fluid_synth_cc(fSynth, event.channel, MIDI_CONTROL_ALL_NOTES_OFF, 0);

  1261. #endif

  1262.                         }

  1263.                         break;

  1264.                     }

  1265. 

  1266.                     break;

  1267.                 }

  1268. 

  1269.                 case kEngineEventTypeMidi:

  1270.                 {

  1271.                     const EngineMidiEvent& midiEvent(event.midi);

  1272. 

  1273.                     uint8_t status  = MIDI_GET_STATUS_FROM_DATA(midiEvent.data);

  1274.                     uint8_t channel = event.channel;

  1275. 

  1276.                     // Fix bad note-off

  1277.                     if (MIDI_IS_STATUS_NOTE_ON(status) && midiEvent.data[2] == 0)

  1278.                         status -= 0x10;

  1279. 

  1280.                     if (MIDI_IS_STATUS_NOTE_OFF(status))

  1281.                     {

  1282.                         const uint8_t note = midiEvent.data[1];

  1283. 

  1284.                         fluid_synth_noteoff(fSynth, channel, note);

  1285. 

  1286.                         postponeRtEvent(kPluginPostRtEventNoteOff, channel, note, 0.0f);

  1287.                     }

  1288.                     else if (MIDI_IS_STATUS_NOTE_ON(status))

  1289.                     {

  1290.                         const uint8_t note = midiEvent.data[1];

  1291.                         const uint8_t velo = midiEvent.data[2];

  1292. 

  1293.                         fluid_synth_noteon(fSynth, channel, note, velo);

  1294. 

  1295.                         postponeRtEvent(kPluginPostRtEventNoteOn, channel, note, velo);

  1296.                     }

  1297.                     else if (MIDI_IS_STATUS_POLYPHONIC_AFTERTOUCH(status) && (fOptions & PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH) != 0)

  1298.                     {

  1299.                         //const uint8_t note     = midiEvent.data[1];

  1300.                         //const uint8_t pressure = midiEvent.data[2];

  1301. 

  1302.                         // TODO, not in fluidsynth API

  1303.                     }

  1304.                     else if (MIDI_IS_STATUS_CONTROL_CHANGE(status) && (fOptions & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0)

  1305.                     {

  1306.                         const uint8_t control = midiEvent.data[1];

  1307.                         const uint8_t value   = midiEvent.data[2];

  1308. 

  1309.                         fluid_synth_cc(fSynth, channel, control, value);

  1310.                     }

  1311.                     else if (MIDI_IS_STATUS_AFTERTOUCH(status) && (fOptions & PLUGIN_OPTION_SEND_CHANNEL_PRESSURE) != 0)

  1312.                     {

  1313.                         const uint8_t pressure = midiEvent.data[1];

  1314. 

  1315.                         fluid_synth_channel_pressure(fSynth, channel, pressure);;

  1316.                     }

  1317.                     else if (MIDI_IS_STATUS_PITCH_WHEEL_CONTROL(status) && (fOptions & PLUGIN_OPTION_SEND_PITCHBEND) != 0)

  1318.                     {

  1319.                         const uint8_t lsb = midiEvent.data[1];

  1320.                         const uint8_t msb = midiEvent.data[2];

  1321. 

  1322.                         fluid_synth_pitch_bend(fSynth, channel, (msb << 7) | lsb);

  1323.                     }

  1324. 

  1325.                     break;

  1326.                 }

  1327.                 }

  1328.             }

  1329. 

  1330.             kData->postRtEvents.trySplice();

  1331. 

  1332.             if (frames > timeOffset)

  1333.                 processSingle(outBuffer, frames - timeOffset, timeOffset);

  1334. 

  1335.         } // End of Event Input and Processing

  1336. 

  1337.         CARLA_PROCESS_CONTINUE_CHECK;

  1338. 

  1339.         // --------------------------------------------------------------------------------------------------------

  1340.         // Control Output

  1341. 

  1342.         {

  1343.             k = FluidSynthVoiceCount;

  1344.             fParamBuffers[k] = fluid_synth_get_active_voice_count(fSynth);

  1345.             kData->param.ranges[k].fixValue(fParamBuffers[k]);

  1346. 

  1347.             if (kData->param.data[k].midiCC > 0)

  1348.             {

  1349.                 float value(kData->param.ranges[k].normalizeValue(fParamBuffers[k]));

  1350.                 kData->event.portOut->writeControlEvent(0, kData->param.data[k].midiChannel, kEngineControlEventTypeParameter, kData->param.data[k].midiCC, value);

  1351.             }

  1352. 

  1353.         } // End of Control Output

  1354.     }

  1355. 

  1356.     bool processSingle(float** const outBuffer, const uint32_t frames, const uint32_t timeOffset)

  1357.     {

  1358.         CARLA_ASSERT(outBuffer != nullptr);

  1359.         CARLA_ASSERT(frames > 0);

  1360. 

  1361.         if (outBuffer == nullptr)

  1362.             return false;

  1363.         if (frames == 0)

  1364.             return false;

  1365. 

  1366.         uint32_t i, k;

  1367. 

  1368.         // --------------------------------------------------------------------------------------------------------

  1369.         // Try lock, silence otherwise

  1370. 

  1371.         if (kData->engine->isOffline())

  1372.         {

  1373.             kData->singleMutex.lock();

  1374.         }

  1375.         else if (! kData->singleMutex.tryLock())

  1376.         {

  1377.             for (i=0; i < kData->audioOut.count; ++i)

  1378.             {

  1379.                 for (k=0; k < frames; ++k)

  1380.                     outBuffer[i][k+timeOffset] = 0.0f;

  1381.             }

  1382. 

  1383.             return false;

  1384.         }

  1385. 

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

  1387.         // Fill plugin buffers and Run plugin

  1388. 

  1389.         if (kUses16Outs)

  1390.         {

  1391.             for (i=0; i < kData->audioOut.count; ++i)

  1392.                 carla_zeroFloat(fAudio16Buffers[i], frames);

  1393. 

  1394.             fluid_synth_process(fSynth, frames, 0, nullptr, kData->audioOut.count, fAudio16Buffers);

  1395.         }

  1396.         else

  1397.             fluid_synth_write_float(fSynth, frames, outBuffer[0] + timeOffset, 0, 1, outBuffer[1] + timeOffset, 0, 1);

  1398. 

  1399. #ifndef BUILD_BRIDGE

  1400.         // --------------------------------------------------------------------------------------------------------

  1401.         // Post-processing (volume and balance)

  1402. 

  1403.         {

  1404.             // note - balance not possible with kUses16Outs, so we can safely skip fAudioOutBuffers

  1405.             const bool doVolume  = (fHints & PLUGIN_CAN_VOLUME) > 0 && kData->postProc.volume != 1.0f;

  1406.             const bool doBalance = (fHints & PLUGIN_CAN_BALANCE) > 0 && (kData->postProc.balanceLeft != -1.0f || kData->postProc.balanceRight != 1.0f);

  1407. 

  1408.             float oldBufLeft[doBalance ? frames : 1];

  1409. 

  1410.             for (i=0; i < kData->audioOut.count; ++i)

  1411.             {

  1412.                 // Balance

  1413.                 if (doBalance)

  1414.                 {

  1415.                     if (i % 2 == 0)

  1416.                         carla_copyFloat(oldBufLeft, outBuffer[i]+timeOffset, frames);

  1417. 

  1418.                     float balRangeL = (kData->postProc.balanceLeft  + 1.0f)/2.0f;

  1419.                     float balRangeR = (kData->postProc.balanceRight + 1.0f)/2.0f;

  1420. 

  1421.                     for (k=0; k < frames; ++k)

  1422.                     {

  1423.                         if (i % 2 == 0)

  1424.                         {

  1425.                             // left

  1426.                             outBuffer[i][k+timeOffset]  = oldBufLeft[k]                * (1.0f - balRangeL);

  1427.                             outBuffer[i][k+timeOffset] += outBuffer[i+1][k+timeOffset] * (1.0f - balRangeR);

  1428.                         }

  1429.                         else

  1430.                         {

  1431.                             // right

  1432.                             outBuffer[i][k+timeOffset]  = outBuffer[i][k+timeOffset] * balRangeR;

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

  1434.                         }

  1435.                     }

  1436.                 }

  1437. 

  1438.                 // Volume

  1439.                 if (kUses16Outs)

  1440.                 {

  1441.                     for (k=0; k < frames; ++k)

  1442.                         outBuffer[i][k+timeOffset] = fAudio16Buffers[i][k] * kData->postProc.volume;

  1443.                 }

  1444.                 else if (doVolume)

  1445.                 {

  1446.                     for (k=0; k < frames; ++k)

  1447.                         outBuffer[i][k+timeOffset] *= kData->postProc.volume;

  1448.                 }

  1449.             }

  1450. 

  1451.         } // End of Post-processing

  1452. #else

  1453.         if (kUses16Outs)

  1454.         {

  1455.             for (i=0; i < kData->audioOut.count; ++i)

  1456.             {

  1457.                 for (k=0; k < frames; ++k)

  1458.                     outBuffer[i][k+timeOffset] = fAudio16Buffers[i][k];

  1459.             }

  1460.         }

  1461. #endif

  1462. 

  1463.         // --------------------------------------------------------------------------------------------------------

  1464. 

  1465.         kData->singleMutex.unlock();

  1466.         return true;

  1467.     }

  1468. 

  1469.     void bufferSizeChanged(const uint32_t newBufferSize) override

  1470.     {

  1471.         if (! kUses16Outs)

  1472.             return;

  1473. 

  1474.         for (uint32_t i=0; i < kData->audioOut.count; ++i)

  1475.         {

  1476.             if (fAudio16Buffers[i] != nullptr)

  1477.                 delete[] fAudio16Buffers[i];

  1478.             fAudio16Buffers[i] = new float[newBufferSize];

  1479.         }

  1480.     }

  1481. 

  1482.     // -------------------------------------------------------------------

  1483.     // Plugin buffers

  1484. 

  1485.     void clearBuffers() override

  1486.     {

  1487.         carla_debug("FluidSynthPlugin::clearBuffers() - start");

  1488. 

  1489.         if (fAudio16Buffers != nullptr)

  1490.         {

  1491.             for (uint32_t i=0; i < kData->audioOut.count; ++i)

  1492.             {

  1493.                 if (fAudio16Buffers[i] != nullptr)

  1494.                 {

  1495.                     delete[] fAudio16Buffers[i];

  1496.                     fAudio16Buffers[i] = nullptr;

  1497.                 }

  1498.             }

  1499. 

  1500.             delete[] fAudio16Buffers;

  1501.             fAudio16Buffers = nullptr;

  1502.         }

  1503. 

  1504.         CarlaPlugin::clearBuffers();

  1505. 

  1506.         carla_debug("FluidSynthPlugin::clearBuffers() - end");

  1507.     }

  1508. 

  1509.     // -------------------------------------------------------------------

  1510. 

  1511.     const void* getExtraStuff() override

  1512.     {

  1513.         return kUses16Outs ? (const void*)0x1 : nullptr;

  1514.     }

  1515. 

  1516.     bool init(const char* const filename, const char* const name, const char* const label)

  1517.     {

  1518.         CARLA_ASSERT(fSynth != nullptr);

  1519.         CARLA_ASSERT(filename != nullptr);

  1520.         CARLA_ASSERT(label != nullptr);

  1521. 

  1522.         // ---------------------------------------------------------------

  1523.         // first checks

  1524. 

  1525.         if (kData->engine == nullptr)

  1526.         {

  1527.             return false;

  1528.         }

  1529. 

  1530.         if (kData->client != nullptr)

  1531.         {

  1532.             kData->engine->setLastError("Plugin client is already registered");

  1533.             return false;

  1534.         }

  1535. 

  1536.         if (fSynth == nullptr)

  1537.         {

  1538.             kData->engine->setLastError("null synth");

  1539.             return false;

  1540.         }

  1541. 

  1542.         if (filename == nullptr)

  1543.         {

  1544.             kData->engine->setLastError("null filename");

  1545.             return false;

  1546.         }

  1547. 

  1548.         if (label == nullptr)

  1549.         {

  1550.             kData->engine->setLastError("null label");

  1551.             return false;

  1552.         }

  1553. 

  1554.         // ---------------------------------------------------------------

  1555.         // open soundfont

  1556. 

  1557.         fSynthId = fluid_synth_sfload(fSynth, filename, 0);

  1558. 

  1559.         if (fSynthId < 0)

  1560.         {

  1561.             kData->engine->setLastError("Failed to load SoundFont file");

  1562.             return false;

  1563.         }

  1564. 

  1565.         // ---------------------------------------------------------------

  1566.         // get info

  1567. 

  1568.         fFilename = filename;

  1569.         fLabel    = label;

  1570. 

  1571.         if (name != nullptr)

  1572.             fName = kData->engine->getUniquePluginName(name);

  1573.         else

  1574.             fName = kData->engine->getUniquePluginName(label);

  1575. 

  1576.         // ---------------------------------------------------------------

  1577.         // register client

  1578. 

  1579.         kData->client = kData->engine->addClient(this);

  1580. 

  1581.         if (kData->client == nullptr || ! kData->client->isOk())

  1582.         {

  1583.             kData->engine->setLastError("Failed to register plugin client");

  1584.             return false;

  1585.         }

  1586. 

  1587.         // ---------------------------------------------------------------

  1588.         // load plugin settings

  1589. 

  1590.         {

  1591.             // set default options

  1592.             fOptions = 0x0;

  1593. 

  1594.             fOptions |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  1595.             fOptions |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  1596.             fOptions |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  1597.             fOptions |= PLUGIN_OPTION_SEND_PITCHBEND;

  1598.             fOptions |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  1599. 

  1600.             // load settings

  1601.             kData->idStr  = "SF2/";

  1602.             kData->idStr += label;

  1603.             fOptions = kData->loadSettings(fOptions, availableOptions());

  1604.         }

  1605. 

  1606.         return true;

  1607.     }

  1608. 

  1609. private:

  1610.     enum FluidSynthInputParameters {

  1611.         FluidSynthReverbOnOff    = 0,

  1612.         FluidSynthReverbRoomSize = 1,

  1613.         FluidSynthReverbDamp     = 2,

  1614.         FluidSynthReverbLevel    = 3,

  1615.         FluidSynthReverbWidth    = 4,

  1616.         FluidSynthChorusOnOff    = 5,

  1617.         FluidSynthChorusNr       = 6,

  1618.         FluidSynthChorusLevel    = 7,

  1619.         FluidSynthChorusSpeedHz  = 8,

  1620.         FluidSynthChorusDepthMs  = 9,

  1621.         FluidSynthChorusType     = 10,

  1622.         FluidSynthPolyphony      = 11,

  1623.         FluidSynthInterpolation  = 12,

  1624.         FluidSynthVoiceCount     = 13,

  1625.         FluidSynthParametersMax  = 14

  1626.     };

  1627. 

  1628.     const bool kUses16Outs;

  1629. 

  1630.     CarlaString fLabel;

  1631. 

  1632.     fluid_settings_t* fSettings;

  1633.     fluid_synth_t* fSynth;

  1634.     int fSynthId;

  1635. 

  1636.     float** fAudio16Buffers;

  1637.     float   fParamBuffers[FluidSynthParametersMax];

  1638. 

  1639.     int32_t fCurMidiProgs[MAX_MIDI_CHANNELS];

  1640. 

  1641.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(FluidSynthPlugin)

  1642. };

  1643. 

  1644. CARLA_BACKEND_END_NAMESPACE

  1645. 

  1646. #else // WANT_FLUIDSYNTH

  1647. # warning fluidsynth not available (no SF2 support)

  1648. #endif

  1649. 

  1650. CARLA_BACKEND_START_NAMESPACE

  1651. 

  1652. CarlaPlugin* CarlaPlugin::newSF2(const Initializer& init, const bool use16Outs)

  1653. {

  1654.     carla_debug("CarlaPlugin::newSF2({%p, \"%s\", \"%s\", \"%s\"}, %s)", init.engine, init.filename, init.name, init.label, bool2str(use16Outs));

  1655. 

  1656. #ifdef WANT_FLUIDSYNTH

  1657.     if (! fluid_is_soundfont(init.filename))

  1658.     {

  1659.         init.engine->setLastError("Requested file is not a valid SoundFont");

  1660.         return nullptr;

  1661.     }

  1662. 

  1663.     if (init.engine->getProccessMode() == PROCESS_MODE_CONTINUOUS_RACK && use16Outs)

  1664.     {

  1665.         init.engine->setLastError("Carla's rack mode can only work with Stereo modules, please choose the 2-channel only SoundFont version");

  1666.         return nullptr;

  1667.     }

  1668. 

  1669.     FluidSynthPlugin* const plugin(new FluidSynthPlugin(init.engine, init.id,  use16Outs));

  1670. 

  1671.     if (! plugin->init(init.filename, init.name, init.label))

  1672.     {

  1673.         delete plugin;

  1674.         return nullptr;

  1675.     }

  1676. 

  1677.     plugin->reload();

  1678. 

  1679.     return plugin;

  1680. #else

  1681.     init.engine->setLastError("fluidsynth support not available");

  1682.     return nullptr;

  1683. 

  1684.     // unused

  1685.     (void)use16Outs;

  1686. #endif

  1687. }

  1688. 

  1689. CARLA_BACKEND_END_NAMESPACE