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.
4269 Commits
16 Branches
16GB
Tree: b9ba5e5d01
Branches Tags
${ item.name }
Create branch ${ searchTerm }
from 'b9ba5e5d01'
${ noResults }
Carla/source/backend/plugin/CarlaPluginFluidSynth.cpp

1769 lines
65KB
Raw Blame History 

  1. /*

  2.  * Carla FluidSynth Plugin

  3.  * Copyright (C) 2011-2018 Filipe Coelho <falktx@falktx.com>

  4.  *

  5.  * This program is free software; you can redistribute it and/or

  6.  * modify it under the terms of the GNU General Public License as

  7.  * published by the Free Software Foundation; either version 2 of

  8.  * the License, or any later version.

  9.  *

  10.  * This program is distributed in the hope that it will be useful,

  11.  * but WITHOUT ANY WARRANTY; without even the implied warranty of

  12.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

  13.  * GNU General Public License for more details.

  14.  *

  15.  * For a full copy of the GNU General Public License see the doc/GPL.txt file.

  16.  */

  17. 

  18. #include "CarlaPluginInternal.hpp"

  19. #include "CarlaEngine.hpp"

  20. 

  21. #ifdef HAVE_FLUIDSYNTH

  22. 

  23. #include "CarlaMathUtils.hpp"

  24. 

  25. #include "water/text/StringArray.h"

  26. 

  27. #include <fluidsynth.h>

  28. 

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

  30. # define FLUIDSYNTH_VERSION_NEW_API

  31. #endif

  32. 

  33. #define FLUID_DEFAULT_POLYPHONY 64

  34. 

  35. using water::String;

  36. using water::StringArray;

  37. 

  38. CARLA_BACKEND_START_NAMESPACE

  39. 

  40. // -------------------------------------------------------------------------------------------------------------------

  41. // Fallback data

  42. 

  43. static const ExternalMidiNote kExternalMidiNoteFallback = { -1, 0, 0 };

  44. 

  45. // -------------------------------------------------------------------------------------------------------------------

  46. 

  47. class CarlaPluginFluidSynth : public CarlaPlugin

  48. {

  49. public:

  50.     CarlaPluginFluidSynth(CarlaEngine* const engine, const uint id, const bool use16Outs)

  51.         : CarlaPlugin(engine, id),

  52.           kUse16Outs(use16Outs),

  53.           fSettings(nullptr),

  54.           fSynth(nullptr),

  55.           fSynthId(0),

  56.           fAudio16Buffers(nullptr),

  57.           fLabel(nullptr)

  58.     {

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

  60. 

  61.         carla_zeroFloats(fParamBuffers, FluidSynthParametersMax);

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

  63. 

  64.         // create settings

  65.         fSettings = new_fluid_settings();

  66.         CARLA_SAFE_ASSERT_RETURN(fSettings != nullptr,);

  67. 

  68.         // define settings

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

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

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

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

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

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

  75. 

  76.         // create synth

  77.         fSynth = new_fluid_synth(fSettings);

  78.         CARLA_SAFE_ASSERT_RETURN(fSynth != nullptr,);

  79. 

  80. #ifdef FLUIDSYNTH_VERSION_NEW_API

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

  82. #endif

  83. 

  84.         // set default values

  85.         fluid_synth_set_reverb_on(fSynth, 1);

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

  87. 

  88.         fluid_synth_set_chorus_on(fSynth, 1);

  89.         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);

  90. 

  91.         fluid_synth_set_polyphony(fSynth, FLUID_DEFAULT_POLYPHONY);

  92.         fluid_synth_set_gain(fSynth, 1.0f);

  93. 

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

  95.             fluid_synth_set_interp_method(fSynth, i, FLUID_INTERP_DEFAULT);

  96.     }

  97. 

  98.     ~CarlaPluginFluidSynth() override

  99.     {

  100.         carla_debug("CarlaPluginFluidSynth::~CarlaPluginFluidSynth()");

  101. 

  102.         pData->singleMutex.lock();

  103.         pData->masterMutex.lock();

  104. 

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

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

  107. 

  108.         if (pData->active)

  109.         {

  110.             deactivate();

  111.             pData->active = false;

  112.         }

  113. 

  114.         if (fSynth != nullptr)

  115.         {

  116.             delete_fluid_synth(fSynth);

  117.             fSynth = nullptr;

  118.         }

  119. 

  120.         if (fSettings != nullptr)

  121.         {

  122.             delete_fluid_settings(fSettings);

  123.             fSettings = nullptr;

  124.         }

  125. 

  126.         if (fLabel != nullptr)

  127.         {

  128.             delete[] fLabel;

  129.             fLabel = nullptr;

  130.         }

  131. 

  132.         clearBuffers();

  133.     }

  134. 

  135.     // -------------------------------------------------------------------

  136.     // Information (base)

  137. 

  138.     PluginType getType() const noexcept override

  139.     {

  140.         return PLUGIN_SF2;

  141.     }

  142. 

  143.     PluginCategory getCategory() const noexcept override

  144.     {

  145.         return PLUGIN_CATEGORY_SYNTH;

  146.     }

  147. 

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

  149.     // Information (count)

  150. 

  151.     uint32_t getParameterScalePointCount(const uint32_t parameterId) const noexcept override

  152.     {

  153.         switch (parameterId)

  154.         {

  155.         case FluidSynthChorusType:

  156.             return 2;

  157.         case FluidSynthInterpolation:

  158.             return 4;

  159.         default:

  160.             return 0;

  161.         }

  162.     }

  163. 

  164.     // -------------------------------------------------------------------

  165.     // Information (current data)

  166. 

  167.     // nothing

  168. 

  169.     // -------------------------------------------------------------------

  170.     // Information (per-plugin data)

  171. 

  172.     uint getOptionsAvailable() const noexcept override

  173.     {

  174.         uint options = 0x0;

  175. 

  176.         options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  177.         options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  178.         options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  179.         options |= PLUGIN_OPTION_SEND_PITCHBEND;

  180.         options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  181. 

  182.         return options;

  183.     }

  184. 

  185.     float getParameterValue(const uint32_t parameterId) const noexcept override

  186.     {

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

  188. 

  189.         return fParamBuffers[parameterId];

  190.     }

  191. 

  192.     float getParameterScalePointValue(const uint32_t parameterId, const uint32_t scalePointId) const noexcept override

  193.     {

  194.         switch (parameterId)

  195.         {

  196.         case FluidSynthChorusType:

  197.             switch (scalePointId)

  198.             {

  199.             case 0:

  200.                 return FLUID_CHORUS_MOD_SINE;

  201.             case 1:

  202.                 return FLUID_CHORUS_MOD_TRIANGLE;

  203.             default:

  204.                 return FLUID_CHORUS_DEFAULT_TYPE;

  205.             }

  206.         case FluidSynthInterpolation:

  207.             switch (scalePointId)

  208.             {

  209.             case 0:

  210.                 return FLUID_INTERP_NONE;

  211.             case 1:

  212.                 return FLUID_INTERP_LINEAR;

  213.             case 2:

  214.                 return FLUID_INTERP_4THORDER;

  215.             case 3:

  216.                 return FLUID_INTERP_7THORDER;

  217.             default:

  218.                 return FLUID_INTERP_DEFAULT;

  219.             }

  220.         default:

  221.             return 0.0f;

  222.         }

  223.     }

  224. 

  225.     void getLabel(char* const strBuf) const noexcept override

  226.     {

  227.         if (fLabel != nullptr)

  228.         {

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

  230.             return;

  231.         }

  232. 

  233.         CarlaPlugin::getLabel(strBuf);

  234.     }

  235. 

  236.     void getMaker(char* const strBuf) const noexcept override

  237.     {

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

  239.     }

  240. 

  241.     void getCopyright(char* const strBuf) const noexcept override

  242.     {

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

  244.     }

  245. 

  246.     void getRealName(char* const strBuf) const noexcept override

  247.     {

  248.         getLabel(strBuf);

  249.     }

  250. 

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

  252.     {

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

  254. 

  255.         switch (parameterId)

  256.         {

  257.         case FluidSynthReverbOnOff:

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

  259.             return;

  260.         case FluidSynthReverbRoomSize:

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

  262.             return;

  263.         case FluidSynthReverbDamp:

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

  265.             return;

  266.         case FluidSynthReverbLevel:

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

  268.             return;

  269.         case FluidSynthReverbWidth:

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

  271.             return;

  272.         case FluidSynthChorusOnOff:

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

  274.             return;

  275.         case FluidSynthChorusNr:

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

  277.             return;

  278.         case FluidSynthChorusLevel:

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

  280.             return;

  281.         case FluidSynthChorusSpeedHz:

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

  283.             return;

  284.         case FluidSynthChorusDepthMs:

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

  286.             return;

  287.         case FluidSynthChorusType:

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

  289.             return;

  290.         case FluidSynthPolyphony:

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

  292.             return;

  293.         case FluidSynthInterpolation:

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

  295.             return;

  296.         case FluidSynthVoiceCount:

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

  298.             return;

  299.         }

  300. 

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

  302.     }

  303. 

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

  305.     {

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

  307. 

  308.         switch (parameterId)

  309.         {

  310.         case FluidSynthChorusSpeedHz:

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

  312.             return;

  313.         case FluidSynthChorusDepthMs:

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

  315.             return;

  316.         }

  317. 

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

  319.     }

  320. 

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

  322.     {

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

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

  325. 

  326.         switch (parameterId)

  327.         {

  328.         case FluidSynthChorusType:

  329.             switch (scalePointId)

  330.             {

  331.             case 0:

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

  333.                 return;

  334.             case 1:

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

  336.                 return;

  337.             }

  338.         case FluidSynthInterpolation:

  339.             switch (scalePointId)

  340.             {

  341.             case 0:

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

  343.                 return;

  344.             case 1:

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

  346.                 return;

  347.             case 2:

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

  349.                 return;

  350.             case 3:

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

  352.                 return;

  353.             }

  354.         }

  355. 

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

  357.     }

  358. 

  359.     // -------------------------------------------------------------------

  360.     // Set data (state)

  361. 

  362.     void prepareForSave() override

  363.     {

  364.         char strBuf[STR_MAX+1];

  365.         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],

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

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

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

  369. 

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

  371.     }

  372. 

  373.     // -------------------------------------------------------------------

  374.     // Set data (internal stuff)

  375. 

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

  377.     {

  378.         if (channel >= 0 && channel < MAX_MIDI_CHANNELS)

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

  380. 

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

  382.     }

  383. 

  384.     // -------------------------------------------------------------------

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

  386. 

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

  388.     {

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

  390.         CARLA_SAFE_ASSERT_RETURN(sendGui || sendOsc || sendCallback,);

  391. 

  392.         float fixedValue;

  393. 

  394.         {

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

  396.             fixedValue = setParameterValueInFluidSynth(parameterId, value);

  397. 

  398.         }

  399. 

  400.         CarlaPlugin::setParameterValue(parameterId, fixedValue, sendGui, sendOsc, sendCallback);

  401.     }

  402. 

  403.     void setParameterValueRT(const uint32_t parameterId, const float value) noexcept override

  404.     {

  405.         const float fixedValue = setParameterValueInFluidSynth(parameterId, value);

  406. 

  407.         CarlaPlugin::setParameterValueRT(parameterId, fixedValue);

  408.     }

  409. 

  410.     float setParameterValueInFluidSynth(const uint32_t parameterId, const float value) noexcept

  411.     {

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

  413. 

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

  415.         fParamBuffers[parameterId] = fixedValue;

  416. 

  417.         switch (parameterId)

  418.         {

  419.         case FluidSynthReverbOnOff:

  420.             try {

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

  422.             } CARLA_SAFE_EXCEPTION("fluid_synth_set_reverb_on")

  423.             break;

  424. 

  425.         case FluidSynthReverbRoomSize:

  426.         case FluidSynthReverbDamp:

  427.         case FluidSynthReverbLevel:

  428.         case FluidSynthReverbWidth:

  429.             try {

  430.                 fluid_synth_set_reverb(fSynth,

  431.                                        fParamBuffers[FluidSynthReverbRoomSize],

  432.                                        fParamBuffers[FluidSynthReverbDamp],

  433.                                        fParamBuffers[FluidSynthReverbWidth],

  434.                                        fParamBuffers[FluidSynthReverbLevel]);

  435.             } CARLA_SAFE_EXCEPTION("fluid_synth_set_reverb")

  436.             break;

  437. 

  438.         case FluidSynthChorusOnOff:

  439.             try {

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

  441.             } CARLA_SAFE_EXCEPTION("fluid_synth_set_chorus_on")

  442.             break;

  443. 

  444.         case FluidSynthChorusNr:

  445.         case FluidSynthChorusLevel:

  446.         case FluidSynthChorusSpeedHz:

  447.         case FluidSynthChorusDepthMs:

  448.         case FluidSynthChorusType:

  449.             try {

  450.                 fluid_synth_set_chorus(fSynth,

  451.                                        (int)fParamBuffers[FluidSynthChorusNr],

  452.                                        fParamBuffers[FluidSynthChorusLevel],

  453.                                        fParamBuffers[FluidSynthChorusSpeedHz],

  454.                                        fParamBuffers[FluidSynthChorusDepthMs],

  455.                                        (int)fParamBuffers[FluidSynthChorusType]);

  456.             } CARLA_SAFE_EXCEPTION("fluid_synth_set_chorus")

  457.             break;

  458. 

  459.         case FluidSynthPolyphony:

  460.             try {

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

  462.             } CARLA_SAFE_EXCEPTION("fluid_synth_set_polyphony")

  463.             break;

  464. 

  465.         case FluidSynthInterpolation:

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

  467.             {

  468.                 try {

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

  470.                 } CARLA_SAFE_EXCEPTION_BREAK("fluid_synth_set_interp_method")

  471.             }

  472.             break;

  473. 

  474.         default:

  475.             break;

  476.         }

  477. 

  478.         return fixedValue;

  479.     }

  480. 

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

  482.     {

  483.         CARLA_SAFE_ASSERT_RETURN(fSynth != nullptr,);

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

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

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

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

  488. 

  489.         if (std::strcmp(type, CUSTOM_DATA_TYPE_PROPERTY) == 0)

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

  491. 

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

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

  494. 

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

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

  497. 

  498.         StringArray midiProgramList(StringArray::fromTokens(value, ":", ""));

  499. 

  500.         if (midiProgramList.size() == MAX_MIDI_CHANNELS)

  501.         {

  502.             uint8_t channel = 0;

  503.             for (String *it=midiProgramList.begin(), *end=midiProgramList.end(); it != end; ++it)

  504.             {

  505.                 const int index(it->getIntValue());

  506. 

  507.                 if (index >= 0 && index < static_cast<int>(pData->midiprog.count))

  508.                 {

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

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

  511. 

  512.                     fluid_synth_program_select(fSynth, channel, fSynthId, bank, program);

  513.                     fCurMidiProgs[channel] = index;

  514. 

  515.                     if (pData->ctrlChannel == static_cast<int32_t>(channel))

  516.                     {

  517.                         pData->midiprog.current = index;

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

  519.                     }

  520.                 }

  521. 

  522.                 ++channel;

  523.             }

  524.             CARLA_SAFE_ASSERT(channel == MAX_MIDI_CHANNELS);

  525.         }

  526. 

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

  528.     }

  529. 

  530.     void setMidiProgram(const int32_t index, const bool sendGui, const bool sendOsc, const bool sendCallback, const bool doingInit) noexcept override

  531.     {

  532.         CARLA_SAFE_ASSERT_RETURN(fSynth != nullptr,);

  533.         CARLA_SAFE_ASSERT_RETURN(index >= -1 && index < static_cast<int32_t>(pData->midiprog.count),);

  534.         CARLA_SAFE_ASSERT_RETURN(sendGui || sendOsc || sendCallback || doingInit,);

  535. 

  536.         if (index >= 0 && pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  537.         {

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

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

  540. 

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

  542. 

  543.             try {

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

  545.             } CARLA_SAFE_EXCEPTION("fluid_synth_program_select")

  546. 

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

  548.         }

  549. 

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

  551.     }

  552. 

  553.     void setMidiProgramRT(const uint32_t uindex) noexcept override

  554.     {

  555.         CARLA_SAFE_ASSERT_RETURN(fSynth != nullptr,);

  556.         CARLA_SAFE_ASSERT_RETURN(uindex < pData->midiprog.count,);

  557. 

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

  559.         {

  560.             const uint32_t bank    = pData->midiprog.data[uindex].bank;

  561.             const uint32_t program = pData->midiprog.data[uindex].program;

  562. 

  563.             try {

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

  565.             } CARLA_SAFE_EXCEPTION("fluid_synth_program_select")

  566. 

  567.             fCurMidiProgs[pData->ctrlChannel] = static_cast<int32_t>(uindex);

  568.         }

  569. 

  570.         CarlaPlugin::setMidiProgramRT(uindex);

  571.     }

  572. 

  573.     // -------------------------------------------------------------------

  574.     // Set ui stuff

  575. 

  576.     // nothing

  577. 

  578.     // -------------------------------------------------------------------

  579.     // Plugin state

  580. 

  581.     void reload() override

  582.     {

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

  584.         CARLA_SAFE_ASSERT_RETURN(fSynth != nullptr,);

  585.         carla_debug("CarlaPluginFluidSynth::reload() - start");

  586. 

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

  588. 

  589.         // Safely disable plugin for reload

  590.         const ScopedDisabler sd(this);

  591. 

  592.         if (pData->active)

  593.             deactivate();

  594. 

  595.         clearBuffers();

  596. 

  597.         uint32_t aOuts, params;

  598.         aOuts  = kUse16Outs ? 32 : 2;

  599.         params = FluidSynthParametersMax;

  600. 

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

  602.         pData->param.createNew(params, false);

  603. 

  604.         const uint portNameSize(pData->engine->getMaxPortNameSize());

  605.         CarlaString portName;

  606. 

  607.         // ---------------------------------------

  608.         // Audio Outputs

  609. 

  610.         if (kUse16Outs)

  611.         {

  612.             for (uint32_t i=0; i < 32; ++i)

  613.             {

  614.                 portName.clear();

  615. 

  616.                 if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  617.                 {

  618.                     portName  = pData->name;

  619.                     portName += ":";

  620.                 }

  621. 

  622.                 portName += "out-";

  623. 

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

  625.                     portName += "0";

  626. 

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

  628. 

  629.                 if (i % 2 == 0)

  630.                     portName += "L";

  631.                 else

  632.                     portName += "R";

  633. 

  634.                 portName.truncate(portNameSize);

  635. 

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

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

  638.             }

  639. 

  640.             fAudio16Buffers = new float*[aOuts];

  641. 

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

  643.                 fAudio16Buffers[i] = nullptr;

  644.         }

  645.         else

  646.         {

  647.             // out-left

  648.             portName.clear();

  649. 

  650.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  651.             {

  652.                 portName  = pData->name;

  653.                 portName += ":";

  654.             }

  655. 

  656.             portName += "out-left";

  657.             portName.truncate(portNameSize);

  658. 

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

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

  661. 

  662.             // out-right

  663.             portName.clear();

  664. 

  665.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  666.             {

  667.                 portName  = pData->name;

  668.                 portName += ":";

  669.             }

  670. 

  671.             portName += "out-right";

  672.             portName.truncate(portNameSize);

  673. 

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

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

  676.         }

  677. 

  678.         // ---------------------------------------

  679.         // Event Input

  680. 

  681.         {

  682.             portName.clear();

  683. 

  684.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  685.             {

  686.                 portName  = pData->name;

  687.                 portName += ":";

  688.             }

  689. 

  690.             portName += "events-in";

  691.             portName.truncate(portNameSize);

  692. 

  693.             pData->event.portIn = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, true, 0);

  694.         }

  695. 

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

  697.         // Event Output

  698. 

  699.         {

  700.             portName.clear();

  701. 

  702.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  703.             {

  704.                 portName  = pData->name;

  705.                 portName += ":";

  706.             }

  707. 

  708.             portName += "events-out";

  709.             portName.truncate(portNameSize);

  710. 

  711.             pData->event.portOut = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, false, 0);

  712.         }

  713. 

  714.         // ---------------------------------------

  715.         // Parameters

  716. 

  717.         {

  718.             int j;

  719. 

  720.             // ----------------------

  721.             j = FluidSynthReverbOnOff;

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

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

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

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

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

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

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

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

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

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

  732. 

  733.             // ----------------------

  734.             j = FluidSynthReverbRoomSize;

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

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

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

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

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

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

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

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

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

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

  745. 

  746.             // ----------------------

  747.             j = FluidSynthReverbDamp;

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

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

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

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

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

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

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

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

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

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

  758. 

  759.             // ----------------------

  760.             j = FluidSynthReverbLevel;

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

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

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

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

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

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

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

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

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

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

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

  772. 

  773.             // ----------------------

  774.             j = FluidSynthReverbWidth;

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

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

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

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

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

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

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

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

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

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

  785. 

  786.             // ----------------------

  787.             j = FluidSynthChorusOnOff;

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

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

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

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

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

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

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

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

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

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

  798. 

  799.             // ----------------------

  800.             j = FluidSynthChorusNr;

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

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

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

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

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

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

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

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

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

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

  811. 

  812.             // ----------------------

  813.             j = FluidSynthChorusLevel;

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

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

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

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

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

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

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

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

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

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

  824. 

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

  826.             j = FluidSynthChorusSpeedHz;

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

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

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

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

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

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

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

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

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

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

  837. 

  838.             // ----------------------

  839.             j = FluidSynthChorusDepthMs;

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

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

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

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

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

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

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

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

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

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

  850. 

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

  852.             j = FluidSynthChorusType;

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

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

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

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

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

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

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

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

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

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

  863. 

  864.             // ----------------------

  865.             j = FluidSynthPolyphony;

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

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

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

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

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

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

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

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

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

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

  876. 

  877.             // ----------------------

  878.             j = FluidSynthInterpolation;

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

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

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

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

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

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

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

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

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

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

  889. 

  890.             // ----------------------

  891.             j = FluidSynthVoiceCount;

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

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

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

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

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

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

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

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

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

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

  902. 

  903.             for (j=0; j<FluidSynthParametersMax; ++j)

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

  905.         }

  906. 

  907.         // ---------------------------------------

  908. 

  909.         // plugin hints

  910.         pData->hints  = 0x0;

  911.         pData->hints |= PLUGIN_IS_SYNTH;

  912.         pData->hints |= PLUGIN_CAN_VOLUME;

  913.         pData->hints |= PLUGIN_USES_MULTI_PROGS;

  914. 

  915.         if (! kUse16Outs)

  916.             pData->hints |= PLUGIN_CAN_BALANCE;

  917. 

  918.         // extra plugin hints

  919.         pData->extraHints  = 0x0;

  920.         pData->extraHints |= PLUGIN_EXTRA_HINT_HAS_MIDI_IN;

  921. 

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

  923.         reloadPrograms(true);

  924. 

  925.         if (pData->active)

  926.             activate();

  927. 

  928.         carla_debug("CarlaPluginFluidSynth::reload() - end");

  929.     }

  930. 

  931.     void reloadPrograms(const bool doInit) override

  932.     {

  933.         carla_debug("CarlaPluginFluidSynth::reloadPrograms(%s)", bool2str(doInit));

  934. 

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

  936.         bool hasDrums = false;

  937.         uint32_t drumIndex, drumProg;

  938.         drumIndex = drumProg = 0;

  939. 

  940.         // Delete old programs

  941.         pData->midiprog.clear();

  942. 

  943.         // Query new programs

  944.         uint32_t count = 0;

  945. 

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

  947.         {

  948.             fluid_preset_t f_preset;

  949. 

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

  951.             f_sfont->iteration_start(f_sfont);

  952.             for (; f_sfont->iteration_next(f_sfont, &f_preset);)

  953.                 ++count;

  954. 

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

  956.             CARLA_SAFE_ASSERT_RETURN(count > 0,);

  957. 

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

  959. 

  960.             // Update data

  961.             int tmp;

  962.             uint32_t i = 0;

  963.             f_sfont->iteration_start(f_sfont);

  964. 

  965.             for (; f_sfont->iteration_next(f_sfont, &f_preset);)

  966.             {

  967.                 CARLA_SAFE_ASSERT_BREAK(i < count);

  968. 

  969.                 tmp = f_preset.get_banknum(&f_preset);

  970.                 pData->midiprog.data[i].bank = (tmp >= 0) ? static_cast<uint32_t>(tmp) : 0;

  971. 

  972.                 tmp = f_preset.get_num(&f_preset);

  973.                 pData->midiprog.data[i].program = (tmp >= 0) ? static_cast<uint32_t>(tmp) : 0;

  974. 

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

  976. 

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

  978.                 {

  979.                     hasDrums  = true;

  980.                     drumIndex = i;

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

  982.                 }

  983. 

  984.                 ++i;

  985.             }

  986.         }

  987.         else

  988.         {

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

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

  991.             return;

  992.         }

  993. 

  994. #if defined(HAVE_LIBLO) && ! defined(BUILD_BRIDGE)

  995.         // Update OSC Names

  996.         if (pData->engine->isOscControlRegistered() && pData->id < pData->engine->getCurrentPluginCount())

  997.         {

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

  999. 

  1000.             for (uint32_t i=0; i < count; ++i)

  1001.                 pData->engine->oscSend_control_set_midi_program_data(pData->id, i, pData->midiprog.data[i].bank, pData->midiprog.data[i].program, pData->midiprog.data[i].name);

  1002.         }

  1003. #endif

  1004. 

  1005.         if (doInit)

  1006.         {

  1007.             fluid_synth_program_reset(fSynth);

  1008. 

  1009.             // select first program, or 128 for ch10

  1010.             for (int i=0; i < MAX_MIDI_CHANNELS && i != 9; ++i)

  1011.             {

  1012. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1013.                 fluid_synth_set_channel_type(fSynth, i, CHANNEL_TYPE_MELODIC);

  1014. #endif

  1015.                 fluid_synth_program_select(fSynth, i, fSynthId, pData->midiprog.data[0].bank, pData->midiprog.data[0].program);

  1016. 

  1017.                 fCurMidiProgs[i] = 0;

  1018.             }

  1019. 

  1020.             if (hasDrums)

  1021.             {

  1022. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1023.                 fluid_synth_set_channel_type(fSynth, 9, CHANNEL_TYPE_DRUM);

  1024. #endif

  1025.                 fluid_synth_program_select(fSynth, 9, fSynthId, 128, drumProg);

  1026. 

  1027.                 fCurMidiProgs[9] = static_cast<int32_t>(drumIndex);

  1028.             }

  1029.             else

  1030.             {

  1031. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1032.                 fluid_synth_set_channel_type(fSynth, 9, CHANNEL_TYPE_MELODIC);

  1033. #endif

  1034.                 fluid_synth_program_select(fSynth, 9, fSynthId, pData->midiprog.data[0].bank, pData->midiprog.data[0].program);

  1035. 

  1036.                 fCurMidiProgs[9] = 0;

  1037.             }

  1038. 

  1039.             pData->midiprog.current = 0;

  1040.         }

  1041.         else

  1042.         {

  1043.             pData->engine->callback(ENGINE_CALLBACK_RELOAD_PROGRAMS, pData->id, 0, 0, 0.0f, nullptr);

  1044.         }

  1045.     }

  1046. 

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

  1048.     // Plugin processing

  1049. 

  1050.     void process(const float** const, float** const audioOut, const float** const, float** const, const uint32_t frames) override

  1051.     {

  1052.         // --------------------------------------------------------------------------------------------------------

  1053.         // Check if active

  1054. 

  1055.         if (! pData->active)

  1056.         {

  1057.             // disable any output sound

  1058.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1059.                 carla_zeroFloats(audioOut[i], frames);

  1060.             return;

  1061.         }

  1062. 

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

  1064.         // Check if needs reset

  1065. 

  1066.         if (pData->needsReset)

  1067.         {

  1068.             if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1069.             {

  1070.                 for (int i=0; i < MAX_MIDI_CHANNELS; ++i)

  1071.                 {

  1072. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1073.                     fluid_synth_all_notes_off(fSynth, i);

  1074.                     fluid_synth_all_sounds_off(fSynth, i);

  1075. #else

  1076.                     fluid_synth_cc(fSynth, i, MIDI_CONTROL_ALL_SOUND_OFF, 0);

  1077.                     fluid_synth_cc(fSynth, i, MIDI_CONTROL_ALL_NOTES_OFF, 0);

  1078. #endif

  1079.                 }

  1080.             }

  1081.             else if (pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1082.             {

  1083.                 for (int i=0; i < MAX_MIDI_NOTE; ++i)

  1084.                     fluid_synth_noteoff(fSynth, pData->ctrlChannel, i);

  1085.             }

  1086. 

  1087.             pData->needsReset = false;

  1088.         }

  1089. 

  1090.         // --------------------------------------------------------------------------------------------------------

  1091.         // Event Input and Processing

  1092. 

  1093.         {

  1094.             // ----------------------------------------------------------------------------------------------------

  1095.             // MIDI Input (External)

  1096. 

  1097.             if (pData->extNotes.mutex.tryLock())

  1098.             {

  1099.                 for (RtLinkedList<ExternalMidiNote>::Itenerator it = pData->extNotes.data.begin2(); it.valid(); it.next())

  1100.                 {

  1101.                     const ExternalMidiNote& note(it.getValue(kExternalMidiNoteFallback));

  1102.                     CARLA_SAFE_ASSERT_CONTINUE(note.channel >= 0 && note.channel < MAX_MIDI_CHANNELS);

  1103. 

  1104.                     if (note.velo > 0)

  1105.                         fluid_synth_noteon(fSynth, note.channel, note.note, note.velo);

  1106.                     else

  1107.                         fluid_synth_noteoff(fSynth,note.channel, note.note);

  1108.                 }

  1109. 

  1110.                 pData->extNotes.data.clear();

  1111.                 pData->extNotes.mutex.unlock();

  1112. 

  1113.             } // End of MIDI Input (External)

  1114. 

  1115.             // ----------------------------------------------------------------------------------------------------

  1116.             // Event Input (System)

  1117. 

  1118. #ifndef BUILD_BRIDGE

  1119.             bool allNotesOffSent = false;

  1120. #endif

  1121.             uint32_t timeOffset = 0;

  1122. 

  1123.             uint32_t nextBankIds[MAX_MIDI_CHANNELS] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 0, 0, 0, 0, 0, 0 };

  1124. 

  1125.             if (pData->midiprog.current >= 0 && pData->midiprog.count > 0 && pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1126.                 nextBankIds[pData->ctrlChannel] = pData->midiprog.data[pData->midiprog.current].bank;

  1127. 

  1128.             for (uint32_t i=0, numEvents=pData->event.portIn->getEventCount(); i < numEvents; ++i)

  1129.             {

  1130.                 const EngineEvent& event(pData->event.portIn->getEvent(i));

  1131. 

  1132.                 uint32_t eventTime = event.time;

  1133.                 CARLA_SAFE_ASSERT_UINT2_CONTINUE(eventTime < frames, eventTime, frames);

  1134. 

  1135.                 if (eventTime < timeOffset)

  1136.                 {

  1137.                     carla_stderr2("Timing error, eventTime:%u < timeOffset:%u for '%s'",

  1138.                                   eventTime, timeOffset, pData->name);

  1139.                     eventTime = timeOffset;

  1140.                 }

  1141.                 else if (eventTime > timeOffset)

  1142.                 {

  1143.                     if (processSingle(audioOut, eventTime - timeOffset, timeOffset))

  1144.                     {

  1145.                         timeOffset = eventTime;

  1146. 

  1147.                         if (pData->midiprog.current >= 0 && pData->midiprog.count > 0 && pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1148.                             nextBankIds[pData->ctrlChannel] = pData->midiprog.data[pData->midiprog.current].bank;

  1149.                     }

  1150.                 }

  1151. 

  1152.                 // Control change

  1153.                 switch (event.type)

  1154.                 {

  1155.                 case kEngineEventTypeNull:

  1156.                     break;

  1157. 

  1158.                 case kEngineEventTypeControl:

  1159.                 {

  1160.                     const EngineControlEvent& ctrlEvent = event.ctrl;

  1161. 

  1162.                     switch (ctrlEvent.type)

  1163.                     {

  1164.                     case kEngineControlEventTypeNull:

  1165.                         break;

  1166. 

  1167.                     case kEngineControlEventTypeParameter:

  1168.                     {

  1169. #ifndef BUILD_BRIDGE

  1170.                         // Control backend stuff

  1171.                         if (event.channel == pData->ctrlChannel)

  1172.                         {

  1173.                             float value;

  1174. 

  1175.                             if (MIDI_IS_CONTROL_BREATH_CONTROLLER(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_DRYWET) != 0)

  1176.                             {

  1177.                                 value = ctrlEvent.value;

  1178.                                 setDryWetRT(value);

  1179.                             }

  1180. 

  1181.                             if (MIDI_IS_CONTROL_CHANNEL_VOLUME(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_VOLUME) != 0)

  1182.                             {

  1183.                                 value = ctrlEvent.value*127.0f/100.0f;

  1184.                                 setVolumeRT(value);

  1185.                             }

  1186. 

  1187.                             if (MIDI_IS_CONTROL_BALANCE(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_BALANCE) != 0)

  1188.                             {

  1189.                                 float left, right;

  1190.                                 value = ctrlEvent.value/0.5f - 1.0f;

  1191. 

  1192.                                 if (value < 0.0f)

  1193.                                 {

  1194.                                     left  = -1.0f;

  1195.                                     right = (value*2.0f)+1.0f;

  1196.                                 }

  1197.                                 else if (value > 0.0f)

  1198.                                 {

  1199.                                     left  = (value*2.0f)-1.0f;

  1200.                                     right = 1.0f;

  1201.                                 }

  1202.                                 else

  1203.                                 {

  1204.                                     left  = -1.0f;

  1205.                                     right = 1.0f;

  1206.                                 }

  1207. 

  1208.                                 setBalanceLeftRT(left);

  1209.                                 setBalanceRightRT(right);

  1210.                             }

  1211.                         }

  1212. #endif

  1213.                         // Control plugin parameters

  1214.                         for (uint32_t k=0; k < pData->param.count; ++k)

  1215.                         {

  1216.                             if (pData->param.data[k].midiChannel != event.channel)

  1217.                                 continue;

  1218.                             if (pData->param.data[k].midiCC != ctrlEvent.param)

  1219.                                 continue;

  1220.                             if (pData->param.data[k].hints != PARAMETER_INPUT)

  1221.                                 continue;

  1222.                             if ((pData->param.data[k].hints & PARAMETER_IS_AUTOMABLE) == 0)

  1223.                                 continue;

  1224. 

  1225.                             float value;

  1226. 

  1227.                             if (pData->param.data[k].hints & PARAMETER_IS_BOOLEAN)

  1228.                             {

  1229.                                 value = (ctrlEvent.value < 0.5f) ? pData->param.ranges[k].min : pData->param.ranges[k].max;

  1230.                             }

  1231.                             else

  1232.                             {

  1233.                                 if (pData->param.data[k].hints & PARAMETER_IS_LOGARITHMIC)

  1234.                                     value = pData->param.ranges[k].getUnnormalizedLogValue(ctrlEvent.value);

  1235.                                 else

  1236.                                     value = pData->param.ranges[k].getUnnormalizedValue(ctrlEvent.value);

  1237. 

  1238.                                 if (pData->param.data[k].hints & PARAMETER_IS_INTEGER)

  1239.                                     value = std::rint(value);

  1240.                             }

  1241. 

  1242.                             setParameterValueRT(k, value);

  1243.                         }

  1244. 

  1245.                         if ((pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0 && ctrlEvent.param < MAX_MIDI_CONTROL)

  1246.                         {

  1247.                             fluid_synth_cc(fSynth, event.channel, ctrlEvent.param, int(ctrlEvent.value*127.0f));

  1248.                         }

  1249.                         break;

  1250.                     }

  1251. 

  1252.                     case kEngineControlEventTypeMidiBank:

  1253.                         if (event.channel < MAX_MIDI_CHANNELS && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1254.                             nextBankIds[event.channel] = ctrlEvent.param;

  1255.                         break;

  1256. 

  1257.                     case kEngineControlEventTypeMidiProgram:

  1258.                         if (event.channel < MAX_MIDI_CHANNELS && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1259.                         {

  1260.                             const uint32_t bankId(nextBankIds[event.channel]);

  1261.                             const uint32_t progId(ctrlEvent.param);

  1262. 

  1263.                             // TODO int32_t midiprog.find(bank, prog)

  1264.                             for (uint32_t k=0; k < pData->midiprog.count; ++k)

  1265.                             {

  1266.                                 if (pData->midiprog.data[k].bank == bankId && pData->midiprog.data[k].program == progId)

  1267.                                 {

  1268.                                     fluid_synth_program_select(fSynth, event.channel, fSynthId, bankId, progId);

  1269.                                     fCurMidiProgs[event.channel] = static_cast<int32_t>(k);

  1270. 

  1271.                                     if (event.channel == pData->ctrlChannel)

  1272.                                         pData->postponeRtEvent(kPluginPostRtEventMidiProgramChange, static_cast<int32_t>(k), 0, 0.0f);

  1273. 

  1274.                                     break;

  1275.                                 }

  1276.                             }

  1277.                         }

  1278.                         break;

  1279. 

  1280.                     case kEngineControlEventTypeAllSoundOff:

  1281.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1282.                         {

  1283. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1284.                             fluid_synth_all_sounds_off(fSynth, event.channel);

  1285. #else

  1286.                             fluid_synth_cc(fSynth, event.channel, MIDI_CONTROL_ALL_SOUND_OFF, 0);

  1287. #endif

  1288.                         }

  1289.                         break;

  1290. 

  1291.                     case kEngineControlEventTypeAllNotesOff:

  1292.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1293.                         {

  1294. #ifndef BUILD_BRIDGE

  1295.                             if (event.channel == pData->ctrlChannel && ! allNotesOffSent)

  1296.                             {

  1297.                                 allNotesOffSent = true;

  1298.                                 sendMidiAllNotesOffToCallback();

  1299.                             }

  1300. #endif

  1301. 

  1302. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1303.                             fluid_synth_all_notes_off(fSynth, event.channel);

  1304. #else

  1305.                             fluid_synth_cc(fSynth, event.channel, MIDI_CONTROL_ALL_NOTES_OFF, 0);

  1306. #endif

  1307.                         }

  1308.                         break;

  1309.                     }

  1310. 

  1311.                     break;

  1312.                 }

  1313. 

  1314.                 case kEngineEventTypeMidi: {

  1315.                     const EngineMidiEvent& midiEvent(event.midi);

  1316. 

  1317.                     if (midiEvent.size > EngineMidiEvent::kDataSize)

  1318.                         continue;

  1319. 

  1320.                     uint8_t status = uint8_t(MIDI_GET_STATUS_FROM_DATA(midiEvent.data));

  1321. 

  1322.                     // Fix bad note-off

  1323.                     if (status == MIDI_STATUS_NOTE_ON && midiEvent.data[2] == 0)

  1324.                         status = MIDI_STATUS_NOTE_OFF;

  1325. 

  1326.                     switch (status)

  1327.                     {

  1328.                     case MIDI_STATUS_NOTE_OFF: {

  1329.                         const uint8_t note = midiEvent.data[1];

  1330. 

  1331.                         fluid_synth_noteoff(fSynth, event.channel, note);

  1332. 

  1333.                         pData->postponeRtEvent(kPluginPostRtEventNoteOff, event.channel, note, 0.0f);

  1334.                         break;

  1335.                     }

  1336. 

  1337.                     case MIDI_STATUS_NOTE_ON: {

  1338.                         const uint8_t note = midiEvent.data[1];

  1339.                         const uint8_t velo = midiEvent.data[2];

  1340. 

  1341.                         fluid_synth_noteon(fSynth, event.channel, note, velo);

  1342. 

  1343.                         pData->postponeRtEvent(kPluginPostRtEventNoteOn, event.channel, note, velo);

  1344.                         break;

  1345.                     }

  1346. 

  1347.                     case MIDI_STATUS_POLYPHONIC_AFTERTOUCH:

  1348.                         if (pData->options & PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH)

  1349.                         {

  1350.                             //const uint8_t note     = midiEvent.data[1];

  1351.                             //const uint8_t pressure = midiEvent.data[2];

  1352. 

  1353.                             // not in fluidsynth API

  1354.                         }

  1355.                         break;

  1356. 

  1357.                     case MIDI_STATUS_CONTROL_CHANGE:

  1358.                         if (pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES)

  1359.                         {

  1360.                             const uint8_t control = midiEvent.data[1];

  1361.                             const uint8_t value   = midiEvent.data[2];

  1362. 

  1363.                             fluid_synth_cc(fSynth, event.channel, control, value);

  1364.                         }

  1365.                         break;

  1366. 

  1367.                     case MIDI_STATUS_CHANNEL_PRESSURE:

  1368.                         if (pData->options & PLUGIN_OPTION_SEND_CHANNEL_PRESSURE)

  1369.                         {

  1370.                             const uint8_t pressure = midiEvent.data[1];

  1371. 

  1372.                             fluid_synth_channel_pressure(fSynth, event.channel, pressure);;

  1373.                         }

  1374.                         break;

  1375. 

  1376.                     case MIDI_STATUS_PITCH_WHEEL_CONTROL:

  1377.                         if (pData->options & PLUGIN_OPTION_SEND_PITCHBEND)

  1378.                         {

  1379.                             const uint8_t lsb = midiEvent.data[1];

  1380.                             const uint8_t msb = midiEvent.data[2];

  1381.                             const int   value = ((msb << 7) | lsb);

  1382. 

  1383.                             fluid_synth_pitch_bend(fSynth, event.channel, value);

  1384.                         }

  1385.                         break;

  1386. 

  1387.                     default:

  1388.                         continue;

  1389.                         break;

  1390.                     } // switch (status)

  1391.                 } break;

  1392.                 } // switch (event.type)

  1393.             }

  1394. 

  1395.             pData->postRtEvents.trySplice();

  1396. 

  1397.             if (frames > timeOffset)

  1398.                 processSingle(audioOut, frames - timeOffset, timeOffset);

  1399. 

  1400.         } // End of Event Input and Processing

  1401. 

  1402. #ifndef BUILD_BRIDGE

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

  1404.         // Control Output

  1405. 

  1406.         {

  1407.             uint32_t k = FluidSynthVoiceCount;

  1408.             fParamBuffers[k] = float(fluid_synth_get_active_voice_count(fSynth));

  1409.             pData->param.ranges[k].fixValue(fParamBuffers[k]);

  1410. 

  1411.             if (pData->param.data[k].midiCC > 0)

  1412.             {

  1413.                 float value(pData->param.ranges[k].getNormalizedValue(fParamBuffers[k]));

  1414.                 pData->event.portOut->writeControlEvent(0, pData->param.data[k].midiChannel, kEngineControlEventTypeParameter, static_cast<uint16_t>(pData->param.data[k].midiCC), value);

  1415.             }

  1416. 

  1417.         } // End of Control Output

  1418. #endif

  1419.     }

  1420. 

  1421.     bool processSingle(float** const outBuffer, const uint32_t frames, const uint32_t timeOffset)

  1422.     {

  1423.         CARLA_SAFE_ASSERT_RETURN(outBuffer != nullptr, false);

  1424.         CARLA_SAFE_ASSERT_RETURN(frames > 0, false);

  1425. 

  1426.         // --------------------------------------------------------------------------------------------------------

  1427.         // Try lock, silence otherwise

  1428. 

  1429. #ifndef STOAT_TEST_BUILD

  1430.         if (pData->engine->isOffline())

  1431.         {

  1432.             pData->singleMutex.lock();

  1433.         }

  1434.         else

  1435. #endif

  1436.         if (! pData->singleMutex.tryLock())

  1437.         {

  1438.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1439.             {

  1440.                 for (uint32_t k=0; k < frames; ++k)

  1441.                     outBuffer[i][k+timeOffset] = 0.0f;

  1442.             }

  1443. 

  1444.             return false;

  1445.         }

  1446. 

  1447.         // --------------------------------------------------------------------------------------------------------

  1448.         // Fill plugin buffers and Run plugin

  1449. 

  1450.         if (kUse16Outs)

  1451.         {

  1452.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1453.                 carla_zeroFloats(fAudio16Buffers[i], frames);

  1454. 

  1455.             // FIXME use '32' or '16' instead of outs

  1456.             fluid_synth_process(fSynth, static_cast<int>(frames),

  1457.                                 0, nullptr,

  1458.                                 static_cast<int>(pData->audioOut.count), fAudio16Buffers);

  1459.         }

  1460.         else

  1461.         {

  1462.             fluid_synth_write_float(fSynth, static_cast<int>(frames),

  1463.                                     outBuffer[0] + timeOffset, 0, 1,

  1464.                                     outBuffer[1] + timeOffset, 0, 1);

  1465.         }

  1466. 

  1467. #ifndef BUILD_BRIDGE

  1468.         // --------------------------------------------------------------------------------------------------------

  1469.         // Post-processing (volume and balance)

  1470. 

  1471.         {

  1472.             // note - balance not possible with kUse16Outs, so we can safely skip fAudioOutBuffers

  1473.             const bool doVolume  = (pData->hints & PLUGIN_CAN_VOLUME) != 0 && carla_isNotEqual(pData->postProc.volume, 1.0f);

  1474.             const bool doBalance = (pData->hints & PLUGIN_CAN_BALANCE) != 0 && ! (carla_isEqual(pData->postProc.balanceLeft, -1.0f) && carla_isEqual(pData->postProc.balanceRight, 1.0f));

  1475. 

  1476.             float oldBufLeft[doBalance ? frames : 1];

  1477. 

  1478.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1479.             {

  1480.                 // Balance

  1481.                 if (doBalance)

  1482.                 {

  1483.                     if (i % 2 == 0)

  1484.                         carla_copyFloats(oldBufLeft, outBuffer[i]+timeOffset, frames);

  1485. 

  1486.                     float balRangeL = (pData->postProc.balanceLeft  + 1.0f)/2.0f;

  1487.                     float balRangeR = (pData->postProc.balanceRight + 1.0f)/2.0f;

  1488. 

  1489.                     for (uint32_t k=0; k < frames; ++k)

  1490.                     {

  1491.                         if (i % 2 == 0)

  1492.                         {

  1493.                             // left

  1494.                             outBuffer[i][k+timeOffset]  = oldBufLeft[k]                * (1.0f - balRangeL);

  1495.                             outBuffer[i][k+timeOffset] += outBuffer[i+1][k+timeOffset] * (1.0f - balRangeR);

  1496.                         }

  1497.                         else

  1498.                         {

  1499.                             // right

  1500.                             outBuffer[i][k+timeOffset]  = outBuffer[i][k+timeOffset] * balRangeR;

  1501.                             outBuffer[i][k+timeOffset] += oldBufLeft[k]              * balRangeL;

  1502.                         }

  1503.                     }

  1504.                 }

  1505. 

  1506.                 // Volume

  1507.                 if (kUse16Outs)

  1508.                 {

  1509.                     for (uint32_t k=0; k < frames; ++k)

  1510.                         outBuffer[i][k+timeOffset] = fAudio16Buffers[i][k] * pData->postProc.volume;

  1511.                 }

  1512.                 else if (doVolume)

  1513.                 {

  1514.                     for (uint32_t k=0; k < frames; ++k)

  1515.                         outBuffer[i][k+timeOffset] *= pData->postProc.volume;

  1516.                 }

  1517.             }

  1518. 

  1519.         } // End of Post-processing

  1520. #else

  1521.         if (kUse16Outs)

  1522.         {

  1523.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1524.             {

  1525.                 for (uint32_t k=0; k < frames; ++k)

  1526.                     outBuffer[i][k+timeOffset] = fAudio16Buffers[i][k];

  1527.             }

  1528.         }

  1529. #endif

  1530. 

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

  1532. 

  1533.         pData->singleMutex.unlock();

  1534.         return true;

  1535.     }

  1536. 

  1537.     void bufferSizeChanged(const uint32_t newBufferSize) override

  1538.     {

  1539.         if (! kUse16Outs)

  1540.             return;

  1541. 

  1542.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1543.         {

  1544.             if (fAudio16Buffers[i] != nullptr)

  1545.                 delete[] fAudio16Buffers[i];

  1546.             fAudio16Buffers[i] = new float[newBufferSize];

  1547.         }

  1548.     }

  1549. 

  1550.     void sampleRateChanged(const double newSampleRate) override

  1551.     {

  1552.         CARLA_SAFE_ASSERT_RETURN(fSettings != nullptr,);

  1553. 

  1554.         fluid_settings_setnum(fSettings, "synth.sample-rate", newSampleRate);

  1555. 

  1556. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1557.         CARLA_SAFE_ASSERT_RETURN(fSynth != nullptr,);

  1558. 

  1559.         fluid_synth_set_sample_rate(fSynth, float(newSampleRate));

  1560. #endif

  1561.     }

  1562. 

  1563.     // -------------------------------------------------------------------

  1564.     // Plugin buffers

  1565. 

  1566.     void clearBuffers() noexcept override

  1567.     {

  1568.         carla_debug("CarlaPluginFluidSynth::clearBuffers() - start");

  1569. 

  1570.         if (fAudio16Buffers != nullptr)

  1571.         {

  1572.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1573.             {

  1574.                 if (fAudio16Buffers[i] != nullptr)

  1575.                 {

  1576.                     delete[] fAudio16Buffers[i];

  1577.                     fAudio16Buffers[i] = nullptr;

  1578.                 }

  1579.             }

  1580. 

  1581.             delete[] fAudio16Buffers;

  1582.             fAudio16Buffers = nullptr;

  1583.         }

  1584. 

  1585.         CarlaPlugin::clearBuffers();

  1586. 

  1587.         carla_debug("CarlaPluginFluidSynth::clearBuffers() - end");

  1588.     }

  1589. 

  1590.     // -------------------------------------------------------------------

  1591. 

  1592.     const void* getExtraStuff() const noexcept override

  1593.     {

  1594.         static const char xtrue[]  = "true";

  1595.         static const char xfalse[] = "false";

  1596.         return kUse16Outs ? xtrue : xfalse;

  1597.     }

  1598. 

  1599.     // -------------------------------------------------------------------

  1600. 

  1601.     bool init(const char* const filename, const char* const name, const char* const label, const uint options)

  1602.     {

  1603.         CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr, false);

  1604. 

  1605.         // ---------------------------------------------------------------

  1606.         // first checks

  1607. 

  1608.         if (pData->client != nullptr)

  1609.         {

  1610.             pData->engine->setLastError("Plugin client is already registered");

  1611.             return false;

  1612.         }

  1613. 

  1614.         if (fSynth == nullptr)

  1615.         {

  1616.             pData->engine->setLastError("null synth");

  1617.             return false;

  1618.         }

  1619. 

  1620.         if (filename == nullptr || filename[0] == '\0')

  1621.         {

  1622.             pData->engine->setLastError("null filename");

  1623.             return false;

  1624.         }

  1625. 

  1626.         if (label == nullptr || label[0] == '\0')

  1627.         {

  1628.             pData->engine->setLastError("null label");

  1629.             return false;

  1630.         }

  1631. 

  1632.         // ---------------------------------------------------------------

  1633.         // open soundfont

  1634. 

  1635.         const int synthId(fluid_synth_sfload(fSynth, filename, 0));

  1636. 

  1637.         if (synthId < 0)

  1638.         {

  1639.             pData->engine->setLastError("Failed to load SoundFont file");

  1640.             return false;

  1641.         }

  1642. 

  1643.         fSynthId = static_cast<uint>(synthId);

  1644. 

  1645.         // ---------------------------------------------------------------

  1646.         // get info

  1647. 

  1648.         CarlaString label2(label);

  1649. 

  1650.         if (kUse16Outs && ! label2.endsWith(" (16 outs)"))

  1651.             label2 += " (16 outs)";

  1652. 

  1653.         fLabel          = label2.dup();

  1654.         pData->filename = carla_strdup(filename);

  1655. 

  1656.         if (name != nullptr && name[0] != '\0')

  1657.             pData->name = pData->engine->getUniquePluginName(name);

  1658.         else

  1659.             pData->name = pData->engine->getUniquePluginName(label);

  1660. 

  1661.         // ---------------------------------------------------------------

  1662.         // register client

  1663. 

  1664.         pData->client = pData->engine->addClient(this);

  1665. 

  1666.         if (pData->client == nullptr || ! pData->client->isOk())

  1667.         {

  1668.             pData->engine->setLastError("Failed to register plugin client");

  1669.             return false;

  1670.         }

  1671. 

  1672.         // ---------------------------------------------------------------

  1673.         // set default options

  1674. 

  1675.         pData->options  = 0x0;

  1676.         pData->options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  1677.         pData->options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  1678.         pData->options |= PLUGIN_OPTION_SEND_PITCHBEND;

  1679.         pData->options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  1680. 

  1681.         if (options & PLUGIN_OPTION_SEND_CONTROL_CHANGES)

  1682.             pData->options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  1683. 

  1684.         return true;

  1685.     }

  1686. 

  1687. private:

  1688.     enum FluidSynthParameters {

  1689.         FluidSynthReverbOnOff    = 0,

  1690.         FluidSynthReverbRoomSize = 1,

  1691.         FluidSynthReverbDamp     = 2,

  1692.         FluidSynthReverbLevel    = 3,

  1693.         FluidSynthReverbWidth    = 4,

  1694.         FluidSynthChorusOnOff    = 5,

  1695.         FluidSynthChorusNr       = 6,

  1696.         FluidSynthChorusLevel    = 7,

  1697.         FluidSynthChorusSpeedHz  = 8,

  1698.         FluidSynthChorusDepthMs  = 9,

  1699.         FluidSynthChorusType     = 10,

  1700.         FluidSynthPolyphony      = 11,

  1701.         FluidSynthInterpolation  = 12,

  1702.         FluidSynthVoiceCount     = 13,

  1703.         FluidSynthParametersMax  = 14

  1704.     };

  1705. 

  1706.     const bool kUse16Outs;

  1707. 

  1708.     fluid_settings_t* fSettings;

  1709.     fluid_synth_t*    fSynth;

  1710.     uint              fSynthId;

  1711. 

  1712.     float** fAudio16Buffers;

  1713.     float   fParamBuffers[FluidSynthParametersMax];

  1714. 

  1715.     int32_t fCurMidiProgs[MAX_MIDI_CHANNELS];

  1716. 

  1717.     const char* fLabel;

  1718. 

  1719.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaPluginFluidSynth)

  1720. };

  1721. 

  1722. CARLA_BACKEND_END_NAMESPACE

  1723. 

  1724. #endif // HAVE_FLUIDSYNTH

  1725. 

  1726. CARLA_BACKEND_START_NAMESPACE

  1727. 

  1728. // -------------------------------------------------------------------------------------------------------------------

  1729. 

  1730. CarlaPlugin* CarlaPlugin::newFluidSynth(const Initializer& init, const bool use16Outs)

  1731. {

  1732.     carla_debug("CarlaPlugin::newFluidSynth({%p, \"%s\", \"%s\", \"%s\", " P_INT64 "}, %s)", init.engine, init.filename, init.name, init.label, init.uniqueId, bool2str(use16Outs));

  1733. 

  1734. #ifdef HAVE_FLUIDSYNTH

  1735.     if (init.engine->getProccessMode() == ENGINE_PROCESS_MODE_CONTINUOUS_RACK && use16Outs)

  1736.     {

  1737.         init.engine->setLastError("Carla's rack mode can only work with Stereo modules,"

  1738.                                   "please choose the 2-channel only SoundFont version");

  1739.         return nullptr;

  1740.     }

  1741. 

  1742.     if (! fluid_is_soundfont(init.filename))

  1743.     {

  1744.         init.engine->setLastError("Requested file is not a valid SoundFont");

  1745.         return nullptr;

  1746.     }

  1747. 

  1748.     CarlaPluginFluidSynth* const plugin(new CarlaPluginFluidSynth(init.engine, init.id,  use16Outs));

  1749. 

  1750.     if (! plugin->init(init.filename, init.name, init.label, init.options))

  1751.     {

  1752.         delete plugin;

  1753.         return nullptr;

  1754.     }

  1755. 

  1756.     return plugin;

  1757. #else

  1758.     init.engine->setLastError("fluidsynth support not available");

  1759.     return nullptr;

  1760. 

  1761.     // unused

  1762.     (void)use16Outs;

  1763. #endif

  1764. }

  1765. 

  1766. // -------------------------------------------------------------------------------------------------------------------

  1767. 

  1768. CARLA_BACKEND_END_NAMESPACE