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Carla/source/backend/plugin/CarlaPluginFluidSynth.cpp

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  1. /*

  2.  * Carla FluidSynth Plugin

  3.  * Copyright (C) 2011-2020 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 "CarlaBackendUtils.hpp"

  24. #include "CarlaMathUtils.hpp"

  25. 

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

  27. 

  28. #include <fluidsynth.h>

  29. 

  30. #define FLUID_DEFAULT_POLYPHONY 64

  31. 

  32. using water::String;

  33. using water::StringArray;

  34. 

  35. CARLA_BACKEND_START_NAMESPACE

  36. 

  37. // -------------------------------------------------------------------------------------------------------------------

  38. // Fallback data

  39. 

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

  41. 

  42. // -------------------------------------------------------------------------------------------------------------------

  43. 

  44. class CarlaPluginFluidSynth : public CarlaPlugin

  45. {

  46. public:

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

  48.         : CarlaPlugin(engine, id),

  49.           kUse16Outs(use16Outs),

  50.           fSettings(nullptr),

  51.           fSynth(nullptr),

  52.           fSynthId(0),

  53.           fAudio16Buffers(nullptr),

  54.           fLabel(nullptr)

  55.     {

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

  57. 

  58.         carla_zeroFloats(fParamBuffers, FluidSynthParametersMax);

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

  60. 

  61.         // create settings

  62.         fSettings = new_fluid_settings();

  63.         CARLA_SAFE_ASSERT_RETURN(fSettings != nullptr,);

  64. 

  65.         // define settings

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

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

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

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

  70.         fluid_settings_setint(fSettings, "synth.ladspa.active", 0);

  71.         fluid_settings_setint(fSettings, "synth.lock-memory", 1);

  72. #if FLUIDSYNTH_VERSION_MAJOR < 2

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

  74. #endif

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

  76. #ifdef DEBUG

  77.         fluid_settings_setint(fSettings, "synth.verbose", 1);

  78. #endif

  79. 

  80.         // create synth

  81.         fSynth = new_fluid_synth(fSettings);

  82.         CARLA_SAFE_ASSERT_RETURN(fSynth != nullptr,);

  83. 

  84.         initializeFluidDefaultsIfNeeded();

  85. 

  86. #if FLUIDSYNTH_VERSION_MAJOR < 2

  87.         fluid_synth_set_sample_rate(fSynth, static_cast<float>(pData->engine->getSampleRate()));

  88. #endif

  89. 

  90.         // set default values

  91.         fluid_synth_set_reverb_on(fSynth, 1);

  92.         fluid_synth_set_reverb(fSynth,

  93.                                sFluidDefaults[FluidSynthReverbRoomSize],

  94.                                sFluidDefaults[FluidSynthReverbDamp],

  95.                                sFluidDefaults[FluidSynthReverbWidth],

  96.                                sFluidDefaults[FluidSynthReverbLevel]);

  97. 

  98.         fluid_synth_set_chorus_on(fSynth, 1);

  99.         fluid_synth_set_chorus(fSynth,

  100.                                static_cast<int>(sFluidDefaults[FluidSynthChorusNr] + 0.5f),

  101.                                sFluidDefaults[FluidSynthChorusLevel],

  102.                                sFluidDefaults[FluidSynthChorusSpeedHz],

  103.                                sFluidDefaults[FluidSynthChorusDepthMs],

  104.                                static_cast<int>(sFluidDefaults[FluidSynthChorusType] + 0.5f));

  105. 

  106.         fluid_synth_set_polyphony(fSynth, FLUID_DEFAULT_POLYPHONY);

  107.         fluid_synth_set_gain(fSynth, 1.0f);

  108. 

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

  110.             fluid_synth_set_interp_method(fSynth, i, static_cast<int>(sFluidDefaults[FluidSynthInterpolation] + 0.5f));

  111.     }

  112. 

  113.     ~CarlaPluginFluidSynth() override

  114.     {

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

  116. 

  117.         pData->singleMutex.lock();

  118.         pData->masterMutex.lock();

  119. 

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

  121.             pData->client->deactivate(true);

  122. 

  123.         if (pData->active)

  124.         {

  125.             deactivate();

  126.             pData->active = false;

  127.         }

  128. 

  129.         if (fSynth != nullptr)

  130.         {

  131.             delete_fluid_synth(fSynth);

  132.             fSynth = nullptr;

  133.         }

  134. 

  135.         if (fSettings != nullptr)

  136.         {

  137.             delete_fluid_settings(fSettings);

  138.             fSettings = nullptr;

  139.         }

  140. 

  141.         if (fLabel != nullptr)

  142.         {

  143.             delete[] fLabel;

  144.             fLabel = nullptr;

  145.         }

  146. 

  147.         clearBuffers();

  148.     }

  149. 

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

  151.     // Information (base)

  152. 

  153.     PluginType getType() const noexcept override

  154.     {

  155.         return PLUGIN_SF2;

  156.     }

  157. 

  158.     PluginCategory getCategory() const noexcept override

  159.     {

  160.         return PLUGIN_CATEGORY_SYNTH;

  161.     }

  162. 

  163.     // -------------------------------------------------------------------

  164.     // Information (count)

  165. 

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

  167.     {

  168.         switch (parameterId)

  169.         {

  170.         case FluidSynthChorusType:

  171.             return 2;

  172.         case FluidSynthInterpolation:

  173.             return 4;

  174.         default:

  175.             return 0;

  176.         }

  177.     }

  178. 

  179.     // -------------------------------------------------------------------

  180.     // Information (current data)

  181. 

  182.     // nothing

  183. 

  184.     // -------------------------------------------------------------------

  185.     // Information (per-plugin data)

  186. 

  187.     uint getOptionsAvailable() const noexcept override

  188.     {

  189.         uint options = 0x0;

  190. 

  191.         options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  192.         options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  193.         options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  194.         options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  195.         options |= PLUGIN_OPTION_SEND_PITCHBEND;

  196.         options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  197.         options |= PLUGIN_OPTION_SKIP_SENDING_NOTES;

  198. 

  199.         return options;

  200.     }

  201. 

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

  203.     {

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

  205. 

  206.         return fParamBuffers[parameterId];

  207.     }

  208. 

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

  210.     {

  211.         switch (parameterId)

  212.         {

  213.         case FluidSynthChorusType:

  214.             switch (scalePointId)

  215.             {

  216.             case 0:

  217.                 return FLUID_CHORUS_MOD_SINE;

  218.             case 1:

  219.                 return FLUID_CHORUS_MOD_TRIANGLE;

  220.             default:

  221.                 return sFluidDefaults[FluidSynthChorusType];

  222.             }

  223.         case FluidSynthInterpolation:

  224.             switch (scalePointId)

  225.             {

  226.             case 0:

  227.                 return FLUID_INTERP_NONE;

  228.             case 1:

  229.                 return FLUID_INTERP_LINEAR;

  230.             case 2:

  231.                 return FLUID_INTERP_4THORDER;

  232.             case 3:

  233.                 return FLUID_INTERP_7THORDER;

  234.             default:

  235.                 return sFluidDefaults[FluidSynthInterpolation];

  236.             }

  237.         default:

  238.             return 0.0f;

  239.         }

  240.     }

  241. 

  242.     bool getLabel(char* const strBuf) const noexcept override

  243.     {

  244.         if (fLabel != nullptr)

  245.         {

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

  247.             return true;

  248.         }

  249. 

  250.         return CarlaPlugin::getLabel(strBuf);

  251.     }

  252. 

  253.     bool getMaker(char* const strBuf) const noexcept override

  254.     {

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

  256.         return true;

  257.     }

  258. 

  259.     bool getCopyright(char* const strBuf) const noexcept override

  260.     {

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

  262.         return true;

  263.     }

  264. 

  265.     bool getRealName(char* const strBuf) const noexcept override

  266.     {

  267.         return getLabel(strBuf);

  268.     }

  269. 

  270.     bool getParameterName(const uint32_t parameterId, char* const strBuf) const noexcept override

  271.     {

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

  273. 

  274.         switch (parameterId)

  275.         {

  276.         case FluidSynthReverbOnOff:

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

  278.             return true;

  279.         case FluidSynthReverbRoomSize:

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

  281.             return true;

  282.         case FluidSynthReverbDamp:

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

  284.             return true;

  285.         case FluidSynthReverbLevel:

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

  287.             return true;

  288.         case FluidSynthReverbWidth:

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

  290.             return true;

  291.         case FluidSynthChorusOnOff:

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

  293.             return true;

  294.         case FluidSynthChorusNr:

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

  296.             return true;

  297.         case FluidSynthChorusLevel:

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

  299.             return true;

  300.         case FluidSynthChorusSpeedHz:

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

  302.             return true;

  303.         case FluidSynthChorusDepthMs:

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

  305.             return true;

  306.         case FluidSynthChorusType:

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

  308.             return true;

  309.         case FluidSynthPolyphony:

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

  311.             return true;

  312.         case FluidSynthInterpolation:

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

  314.             return true;

  315.         case FluidSynthVoiceCount:

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

  317.             return true;

  318.         }

  319. 

  320.         return CarlaPlugin::getParameterName(parameterId, strBuf);

  321.     }

  322. 

  323.     bool getParameterUnit(const uint32_t parameterId, char* const strBuf) const noexcept override

  324.     {

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

  326. 

  327.         switch (parameterId)

  328.         {

  329.         case FluidSynthChorusSpeedHz:

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

  331.             return true;

  332.         case FluidSynthChorusDepthMs:

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

  334.             return true;

  335.         }

  336. 

  337.         return CarlaPlugin::getParameterUnit(parameterId, strBuf);

  338.     }

  339. 

  340.     bool getParameterScalePointLabel(const uint32_t parameterId, const uint32_t scalePointId, char* const strBuf) const noexcept override

  341.     {

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

  343.         CARLA_SAFE_ASSERT_RETURN(scalePointId < getParameterScalePointCount(parameterId), false);

  344. 

  345.         switch (parameterId)

  346.         {

  347.         case FluidSynthChorusType:

  348.             switch (scalePointId)

  349.             {

  350.             case 0:

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

  352.                 return true;

  353.             case 1:

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

  355.                 return true;

  356.             }

  357.             break;

  358.         case FluidSynthInterpolation:

  359.             switch (scalePointId)

  360.             {

  361.             case 0:

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

  363.                 return true;

  364.             case 1:

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

  366.                 return true;

  367.             case 2:

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

  369.                 return true;

  370.             case 3:

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

  372.                 return true;

  373.             }

  374.             break;

  375.         }

  376. 

  377.         return CarlaPlugin::getParameterScalePointLabel(parameterId, scalePointId, strBuf);

  378.     }

  379. 

  380.     // -------------------------------------------------------------------

  381.     // Set data (state)

  382. 

  383.     void prepareForSave(bool) override

  384.     {

  385.         char strBuf[STR_MAX+1];

  386.         std::snprintf(strBuf, STR_MAX, "%i:%i:%i:%i:%i:%i:%i:%i:%i:%i:%i:%i:%i:%i:%i:%i",

  387.                       fCurMidiProgs[0],  fCurMidiProgs[1],  fCurMidiProgs[2],  fCurMidiProgs[3],

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

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

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

  391. 

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

  393.     }

  394. 

  395.     // -------------------------------------------------------------------

  396.     // Set data (internal stuff)

  397. 

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

  399.     {

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

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

  402. 

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

  404.     }

  405. 

  406.     // -------------------------------------------------------------------

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

  408. 

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

  410.     {

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

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

  413. 

  414.         float fixedValue;

  415. 

  416.         {

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

  418.             fixedValue = setParameterValueInFluidSynth(parameterId, value);

  419. 

  420.         }

  421. 

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

  423.     }

  424. 

  425.     void setParameterValueRT(const uint32_t parameterId, const float value, const bool sendCallbackLater) noexcept override

  426.     {

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

  428. 

  429.         CarlaPlugin::setParameterValueRT(parameterId, fixedValue, sendCallbackLater);

  430.     }

  431. 

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

  433.     {

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

  435. 

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

  437.         fParamBuffers[parameterId] = fixedValue;

  438. 

  439.         switch (parameterId)

  440.         {

  441.         case FluidSynthReverbOnOff:

  442.             try {

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

  444.             } CARLA_SAFE_EXCEPTION("fluid_synth_set_reverb_on")

  445.             break;

  446. 

  447.         case FluidSynthReverbRoomSize:

  448.         case FluidSynthReverbDamp:

  449.         case FluidSynthReverbLevel:

  450.         case FluidSynthReverbWidth:

  451.             try {

  452.                 fluid_synth_set_reverb(fSynth,

  453.                                        fParamBuffers[FluidSynthReverbRoomSize],

  454.                                        fParamBuffers[FluidSynthReverbDamp],

  455.                                        fParamBuffers[FluidSynthReverbWidth],

  456.                                        fParamBuffers[FluidSynthReverbLevel]);

  457.             } CARLA_SAFE_EXCEPTION("fluid_synth_set_reverb")

  458.             break;

  459. 

  460.         case FluidSynthChorusOnOff:

  461.             try {

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

  463.             } CARLA_SAFE_EXCEPTION("fluid_synth_set_chorus_on")

  464.             break;

  465. 

  466.         case FluidSynthChorusNr:

  467.         case FluidSynthChorusLevel:

  468.         case FluidSynthChorusSpeedHz:

  469.         case FluidSynthChorusDepthMs:

  470.         case FluidSynthChorusType:

  471.             try {

  472.                 fluid_synth_set_chorus(fSynth,

  473.                                        static_cast<int>(fParamBuffers[FluidSynthChorusNr] + 0.5f),

  474.                                        fParamBuffers[FluidSynthChorusLevel],

  475.                                        fParamBuffers[FluidSynthChorusSpeedHz],

  476.                                        fParamBuffers[FluidSynthChorusDepthMs],

  477.                                        static_cast<int>(fParamBuffers[FluidSynthChorusType] + 0.5f));

  478.             } CARLA_SAFE_EXCEPTION("fluid_synth_set_chorus")

  479.             break;

  480. 

  481.         case FluidSynthPolyphony:

  482.             try {

  483.                 fluid_synth_set_polyphony(fSynth, static_cast<int>(value + 0.5f));

  484.             } CARLA_SAFE_EXCEPTION("fluid_synth_set_polyphony")

  485.             break;

  486. 

  487.         case FluidSynthInterpolation:

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

  489.             {

  490.                 try {

  491.                     fluid_synth_set_interp_method(fSynth, i, static_cast<int>(value + 0.5f));

  492.                 } CARLA_SAFE_EXCEPTION_BREAK("fluid_synth_set_interp_method")

  493.             }

  494.             break;

  495. 

  496.         default:

  497.             break;

  498.         }

  499. 

  500.         return fixedValue;

  501.     }

  502. 

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

  504.     {

  505.         CARLA_SAFE_ASSERT_RETURN(fSynth != nullptr,);

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

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

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

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

  510. 

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

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

  513. 

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

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

  516. 

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

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

  519. 

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

  521. 

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

  523.         {

  524.             uint8_t channel = 0;

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

  526.             {

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

  528. 

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

  530.                 {

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

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

  533. 

  534. #if FLUIDSYNTH_VERSION_MAJOR >= 2

  535.                     fluid_synth_program_select(fSynth,

  536.                                                static_cast<int>(channel),

  537.                                                fSynthId,

  538.                                                static_cast<int>(bank),

  539.                                                static_cast<int>(program));

  540. #else

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

  542. #endif

  543.                     fCurMidiProgs[channel] = index;

  544. 

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

  546.                     {

  547.                         pData->midiprog.current = index;

  548.                         pData->engine->callback(true, true,

  549.                                                 ENGINE_CALLBACK_MIDI_PROGRAM_CHANGED,

  550.                                                 pData->id,

  551.                                                 index,

  552.                                                 0, 0, 0.0f, nullptr);

  553.                     }

  554.                 }

  555. 

  556.                 ++channel;

  557.             }

  558.             CARLA_SAFE_ASSERT(channel == MAX_MIDI_CHANNELS);

  559.         }

  560. 

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

  562.     }

  563. 

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

  565.     {

  566.         CARLA_SAFE_ASSERT_RETURN(fSynth != nullptr,);

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

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

  569. 

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

  571.         {

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

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

  574. 

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

  576. 

  577.             try {

  578. #if FLUIDSYNTH_VERSION_MAJOR >= 2

  579.                 fluid_synth_program_select(fSynth, pData->ctrlChannel, fSynthId,

  580.                                            static_cast<int>(bank), static_cast<int>(program));

  581. #else

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

  583. #endif

  584.             } CARLA_SAFE_EXCEPTION("fluid_synth_program_select")

  585. 

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

  587.         }

  588. 

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

  590.     }

  591. 

  592.     // FIXME: this is never used

  593.     void setMidiProgramRT(const uint32_t uindex, const bool sendCallbackLater) noexcept override

  594.     {

  595.         CARLA_SAFE_ASSERT_RETURN(fSynth != nullptr,);

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

  597. 

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

  599.         {

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

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

  602. 

  603.             try {

  604. #if FLUIDSYNTH_VERSION_MAJOR >= 2

  605.                 fluid_synth_program_select(fSynth, pData->ctrlChannel, fSynthId,

  606.                                            static_cast<int>(bank), static_cast<int>(program));

  607. #else

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

  609. #endif

  610.             } CARLA_SAFE_EXCEPTION("fluid_synth_program_select")

  611. 

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

  613.         }

  614. 

  615.         CarlaPlugin::setMidiProgramRT(uindex, sendCallbackLater);

  616.     }

  617. 

  618.     // -------------------------------------------------------------------

  619.     // Set ui stuff

  620. 

  621.     // nothing

  622. 

  623.     // -------------------------------------------------------------------

  624.     // Plugin state

  625. 

  626.     void reload() override

  627.     {

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

  629.         CARLA_SAFE_ASSERT_RETURN(fSynth != nullptr,);

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

  631. 

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

  633. 

  634.         // Safely disable plugin for reload

  635.         const ScopedDisabler sd(this);

  636. 

  637.         if (pData->active)

  638.             deactivate();

  639. 

  640.         clearBuffers();

  641. 

  642.         uint32_t aOuts, params;

  643.         aOuts  = kUse16Outs ? 32 : 2;

  644.         params = FluidSynthParametersMax;

  645. 

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

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

  648. 

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

  650.         CarlaString portName;

  651. 

  652.         // ---------------------------------------

  653.         // Audio Outputs

  654. 

  655.         if (kUse16Outs)

  656.         {

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

  658.             {

  659.                 portName.clear();

  660. 

  661.                 if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  662.                 {

  663.                     portName  = pData->name;

  664.                     portName += ":";

  665.                 }

  666. 

  667.                 portName += "out-";

  668. 

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

  670.                     portName += "0";

  671. 

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

  673. 

  674.                 if (i % 2 == 0)

  675.                     portName += "L";

  676.                 else

  677.                     portName += "R";

  678. 

  679.                 portName.truncate(portNameSize);

  680. 

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

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

  683.             }

  684. 

  685.             fAudio16Buffers = new float*[aOuts];

  686. 

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

  688.                 fAudio16Buffers[i] = nullptr;

  689.         }

  690.         else

  691.         {

  692.             // out-left

  693.             portName.clear();

  694. 

  695.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  696.             {

  697.                 portName  = pData->name;

  698.                 portName += ":";

  699.             }

  700. 

  701.             portName += "out-left";

  702.             portName.truncate(portNameSize);

  703. 

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

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

  706. 

  707.             // out-right

  708.             portName.clear();

  709. 

  710.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  711.             {

  712.                 portName  = pData->name;

  713.                 portName += ":";

  714.             }

  715. 

  716.             portName += "out-right";

  717.             portName.truncate(portNameSize);

  718. 

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

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

  721.         }

  722. 

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

  724.         // Event Input

  725. 

  726.         {

  727.             portName.clear();

  728. 

  729.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  730.             {

  731.                 portName  = pData->name;

  732.                 portName += ":";

  733.             }

  734. 

  735.             portName += "events-in";

  736.             portName.truncate(portNameSize);

  737. 

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

  739.         }

  740. 

  741.         // ---------------------------------------

  742.         // Event Output

  743. 

  744.         {

  745.             portName.clear();

  746. 

  747.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  748.             {

  749.                 portName  = pData->name;

  750.                 portName += ":";

  751.             }

  752. 

  753.             portName += "events-out";

  754.             portName.truncate(portNameSize);

  755. 

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

  757.         }

  758. 

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

  760.         // Parameters

  761. 

  762.         {

  763.             int j;

  764. 

  765.             // ----------------------

  766.             j = FluidSynthReverbOnOff;

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

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

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

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

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

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

  773.             pData->param.ranges[j].def = sFluidDefaults[j];

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

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

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

  777. 

  778.             // ----------------------

  779.             j = FluidSynthReverbRoomSize;

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

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

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

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

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

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

  786.             pData->param.ranges[j].def = sFluidDefaults[j];

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

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

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

  790. 

  791.             // ----------------------

  792.             j = FluidSynthReverbDamp;

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

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

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

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

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

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

  799.             pData->param.ranges[j].def = sFluidDefaults[j];

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

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

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

  803. 

  804.             // ----------------------

  805.             j = FluidSynthReverbLevel;

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

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

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

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

  810.             pData->param.data[j].mappedControlIndex = MIDI_CONTROL_REVERB_SEND_LEVEL;

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

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

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

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

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

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

  817. 

  818.             // ----------------------

  819.             j = FluidSynthReverbWidth;

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

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

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

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

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

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

  826.             pData->param.ranges[j].def = sFluidDefaults[j];

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

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

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

  830. 

  831.             // ----------------------

  832.             j = FluidSynthChorusOnOff;

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

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

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

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

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

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

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

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

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

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

  843. 

  844.             // ----------------------

  845.             j = FluidSynthChorusNr;

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

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

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

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

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

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

  852.             pData->param.ranges[j].def = sFluidDefaults[j];

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

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

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

  856. 

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

  858.             j = FluidSynthChorusLevel;

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

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

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

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

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

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

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

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

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

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

  869. 

  870.             // ----------------------

  871.             j = FluidSynthChorusSpeedHz;

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

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

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

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

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

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

  878.             pData->param.ranges[j].def = sFluidDefaults[j];

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

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

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

  882. 

  883.             // ----------------------

  884.             j = FluidSynthChorusDepthMs;

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

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

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

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

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

  890. #if FLUIDSYNTH_VERSION_MAJOR >= 2

  891.             pData->param.ranges[j].max = 256.0f;

  892. #else

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

  894. #endif

  895.             pData->param.ranges[j].def = sFluidDefaults[j];

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

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

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

  899. 

  900.             // ----------------------

  901.             j = FluidSynthChorusType;

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

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

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

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

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

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

  908.             pData->param.ranges[j].def = sFluidDefaults[j];

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

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

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

  912. 

  913.             // ----------------------

  914.             j = FluidSynthPolyphony;

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

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

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

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

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

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

  921.             pData->param.ranges[j].def = sFluidDefaults[j];

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

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

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

  925. 

  926.             // ----------------------

  927.             j = FluidSynthInterpolation;

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

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

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

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

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

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

  934.             pData->param.ranges[j].def = sFluidDefaults[j];

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

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

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

  938. 

  939.             // ----------------------

  940.             j = FluidSynthVoiceCount;

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

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

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

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

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

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

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

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

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

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

  951. 

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

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

  954.         }

  955. 

  956.         // ---------------------------------------

  957. 

  958.         // plugin hints

  959.         pData->hints  = 0x0;

  960.         pData->hints |= PLUGIN_IS_SYNTH;

  961.         pData->hints |= PLUGIN_CAN_VOLUME;

  962.         pData->hints |= PLUGIN_USES_MULTI_PROGS;

  963. 

  964.         if (! kUse16Outs)

  965.             pData->hints |= PLUGIN_CAN_BALANCE;

  966. 

  967.         // extra plugin hints

  968.         pData->extraHints  = 0x0;

  969.         pData->extraHints |= PLUGIN_EXTRA_HINT_HAS_MIDI_IN;

  970. 

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

  972.         reloadPrograms(true);

  973. 

  974.         if (pData->active)

  975.             activate();

  976. 

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

  978.     }

  979. 

  980.     void reloadPrograms(const bool doInit) override

  981.     {

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

  983. 

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

  985.         bool hasDrums = false;

  986.         uint32_t drumIndex, drumProg;

  987.         drumIndex = drumProg = 0;

  988. 

  989.         // Delete old programs

  990.         pData->midiprog.clear();

  991. 

  992.         // Query new programs

  993.         uint32_t count = 0;

  994. 

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

  996.         {

  997. #if FLUIDSYNTH_VERSION_MAJOR >= 2

  998.             fluid_preset_t* f_preset;

  999. 

  1000.             // initial check to know how many midi-programs we have

  1001.             fluid_sfont_iteration_start(f_sfont);

  1002.             for (; fluid_sfont_iteration_next(f_sfont);)

  1003.                 ++count;

  1004. 

  1005.             // sound kits must always have at least 1 midi-program

  1006.             CARLA_SAFE_ASSERT_RETURN(count > 0,);

  1007. 

  1008.             pData->midiprog.createNew(count);

  1009. 

  1010.             // Update data

  1011.             int tmp;

  1012.             uint32_t i = 0;

  1013.             fluid_sfont_iteration_start(f_sfont);

  1014. 

  1015.             for (; (f_preset = fluid_sfont_iteration_next(f_sfont));)

  1016.             {

  1017.                 CARLA_SAFE_ASSERT_BREAK(i < count);

  1018. 

  1019.                 tmp = fluid_preset_get_banknum(f_preset);

  1020.                 pData->midiprog.data[i].bank = (tmp >= 0) ? static_cast<uint32_t>(tmp) : 0;

  1021. 

  1022.                 tmp = fluid_preset_get_num(f_preset);

  1023.                 pData->midiprog.data[i].program = (tmp >= 0) ? static_cast<uint32_t>(tmp) : 0;

  1024. 

  1025.                 pData->midiprog.data[i].name = carla_strdup(fluid_preset_get_name(f_preset));

  1026. #else

  1027.             fluid_preset_t f_preset;

  1028. 

  1029.             // initial check to know how many midi-programs we have

  1030.             f_sfont->iteration_start(f_sfont);

  1031.             for (; f_sfont->iteration_next(f_sfont, &f_preset);)

  1032.                 ++count;

  1033. 

  1034.             // sound kits must always have at least 1 midi-program

  1035.             CARLA_SAFE_ASSERT_RETURN(count > 0,);

  1036. 

  1037.             pData->midiprog.createNew(count);

  1038. 

  1039.             // Update data

  1040.             int tmp;

  1041.             uint32_t i = 0;

  1042.             f_sfont->iteration_start(f_sfont);

  1043. 

  1044.             for (; f_sfont->iteration_next(f_sfont, &f_preset);)

  1045.             {

  1046.                 CARLA_SAFE_ASSERT_BREAK(i < count);

  1047. 

  1048.                 tmp = f_preset.get_banknum(&f_preset);

  1049.                 pData->midiprog.data[i].bank = (tmp >= 0) ? static_cast<uint32_t>(tmp) : 0;

  1050. 

  1051.                 tmp = f_preset.get_num(&f_preset);

  1052.                 pData->midiprog.data[i].program = (tmp >= 0) ? static_cast<uint32_t>(tmp) : 0;

  1053. 

  1054.                 pData->midiprog.data[i].name = carla_strdup(f_preset.get_name(&f_preset));

  1055. #endif

  1056. 

  1057.                 if (pData->midiprog.data[i].bank == 128 && ! hasDrums)

  1058.                 {

  1059.                     hasDrums  = true;

  1060.                     drumIndex = i;

  1061.                     drumProg  = pData->midiprog.data[i].program;

  1062.                 }

  1063. 

  1064.                 ++i;

  1065.             }

  1066.         }

  1067.         else

  1068.         {

  1069.             // failing means 0 midi-programs, it shouldn't happen!

  1070.             carla_safe_assert("fluid_sfont_t* const f_sfont = fluid_synth_get_sfont_by_id(fSynth, fSynthId)", __FILE__, __LINE__);

  1071.             return;

  1072.         }

  1073. 

  1074.         if (doInit)

  1075.         {

  1076.             fluid_synth_program_reset(fSynth);

  1077. 

  1078.             // select first program, or 128 for ch10

  1079.             for (int i=0; i < MAX_MIDI_CHANNELS && i != 9; ++i)

  1080.             {

  1081.                 fluid_synth_set_channel_type(fSynth, i, CHANNEL_TYPE_MELODIC);

  1082. #if FLUIDSYNTH_VERSION_MAJOR >= 2

  1083.                 fluid_synth_program_select(fSynth, i, fSynthId,

  1084.                                            static_cast<int>(pData->midiprog.data[0].bank),

  1085.                                            static_cast<int>(pData->midiprog.data[0].program));

  1086. #else

  1087.                 fluid_synth_program_select(fSynth, i, fSynthId,

  1088.                                            pData->midiprog.data[0].bank, pData->midiprog.data[0].program);

  1089. #endif

  1090.                 fCurMidiProgs[i] = 0;

  1091.             }

  1092. 

  1093.             if (hasDrums)

  1094.             {

  1095.                 fluid_synth_set_channel_type(fSynth, 9, CHANNEL_TYPE_DRUM);

  1096. #if FLUIDSYNTH_VERSION_MAJOR >= 2

  1097.                 fluid_synth_program_select(fSynth, 9, fSynthId, 128, static_cast<int>(drumProg));

  1098. #else

  1099.                 fluid_synth_program_select(fSynth, 9, fSynthId, 128, drumProg);

  1100. #endif

  1101.                 fCurMidiProgs[9] = static_cast<int32_t>(drumIndex);

  1102.             }

  1103.             else

  1104.             {

  1105.                 fluid_synth_set_channel_type(fSynth, 9, CHANNEL_TYPE_MELODIC);

  1106. #if FLUIDSYNTH_VERSION_MAJOR >= 2

  1107.                 fluid_synth_program_select(fSynth, 9, fSynthId,

  1108.                                            static_cast<int>(pData->midiprog.data[0].bank),

  1109.                                            static_cast<int>(pData->midiprog.data[0].program));

  1110. #else

  1111.                 fluid_synth_program_select(fSynth, 9, fSynthId,

  1112.                                            pData->midiprog.data[0].bank, pData->midiprog.data[0].program);

  1113. #endif

  1114.                 fCurMidiProgs[9] = 0;

  1115.             }

  1116. 

  1117.             pData->midiprog.current = 0;

  1118.         }

  1119.         else

  1120.         {

  1121.             pData->engine->callback(true, true, ENGINE_CALLBACK_RELOAD_PROGRAMS, pData->id, 0, 0, 0, 0.0f, nullptr);

  1122.         }

  1123.     }

  1124. 

  1125.     // -------------------------------------------------------------------

  1126.     // Plugin processing

  1127. 

  1128.     void process(const float* const* const, float** const audioOut,

  1129.                  const float* const*, float**, const uint32_t frames) override

  1130.     {

  1131.         // --------------------------------------------------------------------------------------------------------

  1132.         // Check if active

  1133. 

  1134.         if (! pData->active)

  1135.         {

  1136.             // disable any output sound

  1137.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1138.                 carla_zeroFloats(audioOut[i], frames);

  1139.             return;

  1140.         }

  1141. 

  1142.         // --------------------------------------------------------------------------------------------------------

  1143.         // Check if needs reset

  1144. 

  1145.         if (pData->needsReset)

  1146.         {

  1147.             if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1148.             {

  1149.                 for (int i=0; i < MAX_MIDI_CHANNELS; ++i)

  1150.                 {

  1151.                     fluid_synth_all_notes_off(fSynth, i);

  1152.                     fluid_synth_all_sounds_off(fSynth, i);

  1153.                 }

  1154.             }

  1155.             else if (pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1156.             {

  1157.                 for (int i=0; i < MAX_MIDI_NOTE; ++i)

  1158.                     fluid_synth_noteoff(fSynth, pData->ctrlChannel, i);

  1159.             }

  1160. 

  1161.             pData->needsReset = false;

  1162.         }

  1163. 

  1164.         // --------------------------------------------------------------------------------------------------------

  1165.         // Event Input and Processing

  1166. 

  1167.         {

  1168.             // ----------------------------------------------------------------------------------------------------

  1169.             // MIDI Input (External)

  1170. 

  1171.             if (pData->extNotes.mutex.tryLock())

  1172.             {

  1173.                 for (RtLinkedList<ExternalMidiNote>::Itenerator it = pData->extNotes.data.begin2(); it.valid(); it.next())

  1174.                 {

  1175.                     const ExternalMidiNote& note(it.getValue(kExternalMidiNoteFallback));

  1176.                     CARLA_SAFE_ASSERT_CONTINUE(note.channel >= 0 && note.channel < MAX_MIDI_CHANNELS);

  1177. 

  1178.                     if (note.velo > 0)

  1179.                         fluid_synth_noteon(fSynth, note.channel, note.note, note.velo);

  1180.                     else

  1181.                         fluid_synth_noteoff(fSynth,note.channel, note.note);

  1182.                 }

  1183. 

  1184.                 pData->extNotes.data.clear();

  1185.                 pData->extNotes.mutex.unlock();

  1186. 

  1187.             } // End of MIDI Input (External)

  1188. 

  1189.             // ----------------------------------------------------------------------------------------------------

  1190.             // Event Input (System)

  1191. 

  1192. #ifndef BUILD_BRIDGE

  1193.             bool allNotesOffSent = false;

  1194. #endif

  1195.             uint32_t timeOffset = 0;

  1196. 

  1197.             uint32_t nextBankIds[MAX_MIDI_CHANNELS] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 0, 0, 0, 0, 0, 0 };

  1198. 

  1199.             if (pData->midiprog.current >= 0 && pData->midiprog.count > 0 && pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1200.                 nextBankIds[pData->ctrlChannel] = pData->midiprog.data[pData->midiprog.current].bank;

  1201. 

  1202.             for (uint32_t i=0, numEvents=pData->event.portIn->getEventCount(); i < numEvents; ++i)

  1203.             {

  1204.                 const EngineEvent& event(pData->event.portIn->getEvent(i));

  1205. 

  1206.                 uint32_t eventTime = event.time;

  1207.                 CARLA_SAFE_ASSERT_UINT2_CONTINUE(eventTime < frames, eventTime, frames);

  1208. 

  1209.                 if (eventTime < timeOffset)

  1210.                 {

  1211.                     carla_stderr2("Timing error, eventTime:%u < timeOffset:%u for '%s'",

  1212.                                   eventTime, timeOffset, pData->name);

  1213.                     eventTime = timeOffset;

  1214.                 }

  1215.                 else if (eventTime > timeOffset)

  1216.                 {

  1217.                     if (processSingle(audioOut, eventTime - timeOffset, timeOffset))

  1218.                     {

  1219.                         timeOffset = eventTime;

  1220. 

  1221.                         if (pData->midiprog.current >= 0 && pData->midiprog.count > 0 && pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1222.                             nextBankIds[pData->ctrlChannel] = pData->midiprog.data[pData->midiprog.current].bank;

  1223.                     }

  1224.                 }

  1225. 

  1226.                 // Control change

  1227.                 switch (event.type)

  1228.                 {

  1229.                 case kEngineEventTypeNull:

  1230.                     break;

  1231. 

  1232.                 case kEngineEventTypeControl:

  1233.                 {

  1234.                     const EngineControlEvent& ctrlEvent = event.ctrl;

  1235. 

  1236.                     switch (ctrlEvent.type)

  1237.                     {

  1238.                     case kEngineControlEventTypeNull:

  1239.                         break;

  1240. 

  1241.                     case kEngineControlEventTypeParameter:

  1242.                     {

  1243.                         float value;

  1244. 

  1245. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  1246.                         // Control backend stuff

  1247.                         if (event.channel == pData->ctrlChannel)

  1248.                         {

  1249.                             if (MIDI_IS_CONTROL_BREATH_CONTROLLER(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_DRYWET) != 0)

  1250.                             {

  1251.                                 value = ctrlEvent.normalizedValue;

  1252.                                 setDryWetRT(value, true);

  1253.                             }

  1254. 

  1255.                             if (MIDI_IS_CONTROL_CHANNEL_VOLUME(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_VOLUME) != 0)

  1256.                             {

  1257.                                 value = ctrlEvent.normalizedValue*127.0f/100.0f;

  1258.                                 setVolumeRT(value, true);

  1259.                             }

  1260. 

  1261.                             if (MIDI_IS_CONTROL_BALANCE(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_BALANCE) != 0)

  1262.                             {

  1263.                                 float left, right;

  1264.                                 value = ctrlEvent.normalizedValue/0.5f - 1.0f;

  1265. 

  1266.                                 if (value < 0.0f)

  1267.                                 {

  1268.                                     left  = -1.0f;

  1269.                                     right = (value*2.0f)+1.0f;

  1270.                                 }

  1271.                                 else if (value > 0.0f)

  1272.                                 {

  1273.                                     left  = (value*2.0f)-1.0f;

  1274.                                     right = 1.0f;

  1275.                                 }

  1276.                                 else

  1277.                                 {

  1278.                                     left  = -1.0f;

  1279.                                     right = 1.0f;

  1280.                                 }

  1281. 

  1282.                                 setBalanceLeftRT(left, true);

  1283.                                 setBalanceRightRT(right, true);

  1284.                             }

  1285.                         }

  1286. #endif

  1287.                         // Control plugin parameters

  1288.                         for (uint32_t k=0; k < pData->param.count; ++k)

  1289.                         {

  1290.                             if (pData->param.data[k].midiChannel != event.channel)

  1291.                                 continue;

  1292.                             if (pData->param.data[k].mappedControlIndex != ctrlEvent.param)

  1293.                                 continue;

  1294.                             if (pData->param.data[k].hints != PARAMETER_INPUT)

  1295.                                 continue;

  1296.                             if ((pData->param.data[k].hints & PARAMETER_IS_AUTOMABLE) == 0)

  1297.                                 continue;

  1298. 

  1299.                             value = pData->param.getFinalUnnormalizedValue(k, ctrlEvent.normalizedValue);

  1300.                             setParameterValueRT(k, value, true);

  1301.                         }

  1302. 

  1303.                         if ((pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0 && ctrlEvent.param < MAX_MIDI_VALUE)

  1304.                         {

  1305.                             fluid_synth_cc(fSynth, event.channel, ctrlEvent.param, int(ctrlEvent.normalizedValue*127.0f));

  1306.                         }

  1307.                         break;

  1308.                     }

  1309. 

  1310.                     case kEngineControlEventTypeMidiBank:

  1311.                         if (event.channel < MAX_MIDI_CHANNELS && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1312.                             nextBankIds[event.channel] = ctrlEvent.param;

  1313.                         break;

  1314. 

  1315.                     case kEngineControlEventTypeMidiProgram:

  1316.                         if (event.channel < MAX_MIDI_CHANNELS && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1317.                         {

  1318.                             const uint32_t bankId(nextBankIds[event.channel]);

  1319.                             const uint32_t progId(ctrlEvent.param);

  1320. 

  1321.                             // TODO int32_t midiprog.find(bank, prog)

  1322.                             for (uint32_t k=0; k < pData->midiprog.count; ++k)

  1323.                             {

  1324.                                 if (pData->midiprog.data[k].bank == bankId && pData->midiprog.data[k].program == progId)

  1325.                                 {

  1326. #if FLUIDSYNTH_VERSION_MAJOR >= 2

  1327.                                     fluid_synth_program_select(fSynth, event.channel, fSynthId,

  1328.                                                                static_cast<int>(bankId), static_cast<int>(progId));

  1329. #else

  1330.                                     fluid_synth_program_select(fSynth, event.channel, fSynthId, bankId, progId);

  1331. #endif

  1332.                                     fCurMidiProgs[event.channel] = static_cast<int32_t>(k);

  1333. 

  1334.                                     if (event.channel == pData->ctrlChannel)

  1335.                                     {

  1336.                                         pData->postponeRtEvent(kPluginPostRtEventMidiProgramChange,

  1337.                                                                true,

  1338.                                                                static_cast<int32_t>(k),

  1339.                                                                0, 0, 0.0f);

  1340.                                     }

  1341. 

  1342.                                     break;

  1343.                                 }

  1344.                             }

  1345.                         }

  1346.                         break;

  1347. 

  1348.                     case kEngineControlEventTypeAllSoundOff:

  1349.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1350.                             fluid_synth_all_sounds_off(fSynth, event.channel);

  1351.                         break;

  1352. 

  1353.                     case kEngineControlEventTypeAllNotesOff:

  1354.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1355.                         {

  1356. #ifndef BUILD_BRIDGE

  1357.                             if (event.channel == pData->ctrlChannel && ! allNotesOffSent)

  1358.                             {

  1359.                                 allNotesOffSent = true;

  1360.                                 postponeRtAllNotesOff();

  1361.                             }

  1362. #endif

  1363. 

  1364.                             fluid_synth_all_notes_off(fSynth, event.channel);

  1365.                         }

  1366.                         break;

  1367.                     }

  1368. 

  1369.                     break;

  1370.                 }

  1371. 

  1372.                 case kEngineEventTypeMidi: {

  1373.                     const EngineMidiEvent& midiEvent(event.midi);

  1374. 

  1375.                     if (midiEvent.size > EngineMidiEvent::kDataSize)

  1376.                         continue;

  1377. 

  1378.                     uint8_t status = uint8_t(MIDI_GET_STATUS_FROM_DATA(midiEvent.data));

  1379. 

  1380.                     // Fix bad note-off

  1381.                     if (status == MIDI_STATUS_NOTE_ON && midiEvent.data[2] == 0)

  1382.                         status = MIDI_STATUS_NOTE_OFF;

  1383. 

  1384.                     switch (status)

  1385.                     {

  1386.                     case MIDI_STATUS_NOTE_OFF:

  1387.                         if ((pData->options & PLUGIN_OPTION_SKIP_SENDING_NOTES) == 0x0)

  1388.                         {

  1389.                             const uint8_t note = midiEvent.data[1];

  1390. 

  1391.                             fluid_synth_noteoff(fSynth, event.channel, note);

  1392. 

  1393.                             pData->postponeRtEvent(kPluginPostRtEventNoteOff, true, event.channel, note, 0, 0.0f);

  1394.                         }

  1395.                         break;

  1396. 

  1397.                     case MIDI_STATUS_NOTE_ON:

  1398.                         if ((pData->options & PLUGIN_OPTION_SKIP_SENDING_NOTES) == 0x0)

  1399.                         {

  1400.                             const uint8_t note = midiEvent.data[1];

  1401.                             const uint8_t velo = midiEvent.data[2];

  1402. 

  1403.                             fluid_synth_noteon(fSynth, event.channel, note, velo);

  1404. 

  1405.                             pData->postponeRtEvent(kPluginPostRtEventNoteOn, true, event.channel, note, velo, 0.0f);

  1406.                         }

  1407.                         break;

  1408. 

  1409.                     case MIDI_STATUS_POLYPHONIC_AFTERTOUCH:

  1410.                         if (pData->options & PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH)

  1411.                         {

  1412.                             const uint8_t note     = midiEvent.data[1];

  1413.                             const uint8_t pressure = midiEvent.data[2];

  1414. 

  1415.                             fluid_synth_key_pressure(fSynth, event.channel, note, pressure);

  1416.                         }

  1417.                         break;

  1418. 

  1419.                     case MIDI_STATUS_CONTROL_CHANGE:

  1420.                         if (pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES)

  1421.                         {

  1422.                             const uint8_t control = midiEvent.data[1];

  1423.                             const uint8_t value   = midiEvent.data[2];

  1424. 

  1425.                             fluid_synth_cc(fSynth, event.channel, control, value);

  1426.                         }

  1427.                         break;

  1428. 

  1429.                     case MIDI_STATUS_CHANNEL_PRESSURE:

  1430.                         if (pData->options & PLUGIN_OPTION_SEND_CHANNEL_PRESSURE)

  1431.                         {

  1432.                             const uint8_t pressure = midiEvent.data[1];

  1433. 

  1434.                             fluid_synth_channel_pressure(fSynth, event.channel, pressure);;

  1435.                         }

  1436.                         break;

  1437. 

  1438.                     case MIDI_STATUS_PITCH_WHEEL_CONTROL:

  1439.                         if (pData->options & PLUGIN_OPTION_SEND_PITCHBEND)

  1440.                         {

  1441.                             const uint8_t lsb = midiEvent.data[1];

  1442.                             const uint8_t msb = midiEvent.data[2];

  1443.                             const int   value = ((msb << 7) | lsb);

  1444. 

  1445.                             fluid_synth_pitch_bend(fSynth, event.channel, value);

  1446.                         }

  1447.                         break;

  1448. 

  1449.                     default:

  1450.                         continue;

  1451.                         break;

  1452.                     } // switch (status)

  1453.                 } break;

  1454.                 } // switch (event.type)

  1455.             }

  1456. 

  1457.             pData->postRtEvents.trySplice();

  1458. 

  1459.             if (frames > timeOffset)

  1460.                 processSingle(audioOut, frames - timeOffset, timeOffset);

  1461. 

  1462.         } // End of Event Input and Processing

  1463. 

  1464. #ifndef BUILD_BRIDGE

  1465.         // --------------------------------------------------------------------------------------------------------

  1466.         // Control Output

  1467. 

  1468.         {

  1469.             uint32_t k = FluidSynthVoiceCount;

  1470.             fParamBuffers[k] = float(fluid_synth_get_active_voice_count(fSynth));

  1471.             pData->param.ranges[k].fixValue(fParamBuffers[k]);

  1472. 

  1473.             if (pData->param.data[k].mappedControlIndex > 0)

  1474.             {

  1475.                 float value(pData->param.ranges[k].getNormalizedValue(fParamBuffers[k]));

  1476.                 pData->event.portOut->writeControlEvent(0,

  1477.                                                         pData->param.data[k].midiChannel,

  1478.                                                         kEngineControlEventTypeParameter,

  1479.                                                         static_cast<uint16_t>(pData->param.data[k].mappedControlIndex),

  1480.                                                         -1,

  1481.                                                         value);

  1482.             }

  1483. 

  1484.         } // End of Control Output

  1485. #endif

  1486.     }

  1487. 

  1488.     bool processSingle(float** const outBuffer, const uint32_t frames, const uint32_t timeOffset)

  1489.     {

  1490.         CARLA_SAFE_ASSERT_RETURN(outBuffer != nullptr, false);

  1491.         CARLA_SAFE_ASSERT_RETURN(frames > 0, false);

  1492. 

  1493.         // --------------------------------------------------------------------------------------------------------

  1494.         // Try lock, silence otherwise

  1495. 

  1496. #ifndef STOAT_TEST_BUILD

  1497.         if (pData->engine->isOffline())

  1498.         {

  1499.             pData->singleMutex.lock();

  1500.         }

  1501.         else

  1502. #endif

  1503.         if (! pData->singleMutex.tryLock())

  1504.         {

  1505.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1506.             {

  1507.                 for (uint32_t k=0; k < frames; ++k)

  1508.                     outBuffer[i][k+timeOffset] = 0.0f;

  1509.             }

  1510. 

  1511.             return false;

  1512.         }

  1513. 

  1514.         // --------------------------------------------------------------------------------------------------------

  1515.         // Fill plugin buffers and Run plugin

  1516. 

  1517.         if (kUse16Outs)

  1518.         {

  1519.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1520.                 carla_zeroFloats(fAudio16Buffers[i], frames);

  1521. 

  1522.             // FIXME use '32' or '16' instead of outs

  1523.             fluid_synth_process(fSynth, static_cast<int>(frames),

  1524.                                 0, nullptr,

  1525.                                 static_cast<int>(pData->audioOut.count), fAudio16Buffers);

  1526.         }

  1527.         else

  1528.         {

  1529.             fluid_synth_write_float(fSynth, static_cast<int>(frames),

  1530.                                     outBuffer[0] + timeOffset, 0, 1,

  1531.                                     outBuffer[1] + timeOffset, 0, 1);

  1532.         }

  1533. 

  1534. #ifndef BUILD_BRIDGE

  1535.         // --------------------------------------------------------------------------------------------------------

  1536.         // Post-processing (volume and balance)

  1537. 

  1538.         {

  1539.             // note - balance not possible with kUse16Outs, so we can safely skip fAudioOutBuffers

  1540.             const bool doVolume  = (pData->hints & PLUGIN_CAN_VOLUME) != 0 && carla_isNotEqual(pData->postProc.volume, 1.0f);

  1541.             const bool doBalance = (pData->hints & PLUGIN_CAN_BALANCE) != 0 && ! (carla_isEqual(pData->postProc.balanceLeft, -1.0f) && carla_isEqual(pData->postProc.balanceRight, 1.0f));

  1542. 

  1543.             float oldBufLeft[doBalance ? frames : 1];

  1544. 

  1545.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1546.             {

  1547.                 // Balance

  1548.                 if (doBalance)

  1549.                 {

  1550.                     if (i % 2 == 0)

  1551.                         carla_copyFloats(oldBufLeft, outBuffer[i]+timeOffset, frames);

  1552. 

  1553.                     float balRangeL = (pData->postProc.balanceLeft  + 1.0f)/2.0f;

  1554.                     float balRangeR = (pData->postProc.balanceRight + 1.0f)/2.0f;

  1555. 

  1556.                     for (uint32_t k=0; k < frames; ++k)

  1557.                     {

  1558.                         if (i % 2 == 0)

  1559.                         {

  1560.                             // left

  1561.                             outBuffer[i][k+timeOffset]  = oldBufLeft[k]                * (1.0f - balRangeL);

  1562.                             outBuffer[i][k+timeOffset] += outBuffer[i+1][k+timeOffset] * (1.0f - balRangeR);

  1563.                         }

  1564.                         else

  1565.                         {

  1566.                             // right

  1567.                             outBuffer[i][k+timeOffset]  = outBuffer[i][k+timeOffset] * balRangeR;

  1568.                             outBuffer[i][k+timeOffset] += oldBufLeft[k]              * balRangeL;

  1569.                         }

  1570.                     }

  1571.                 }

  1572. 

  1573.                 // Volume

  1574.                 if (kUse16Outs)

  1575.                 {

  1576.                     for (uint32_t k=0; k < frames; ++k)

  1577.                         outBuffer[i][k+timeOffset] = fAudio16Buffers[i][k] * pData->postProc.volume;

  1578.                 }

  1579.                 else if (doVolume)

  1580.                 {

  1581.                     for (uint32_t k=0; k < frames; ++k)

  1582.                         outBuffer[i][k+timeOffset] *= pData->postProc.volume;

  1583.                 }

  1584.             }

  1585. 

  1586.         } // End of Post-processing

  1587. #else

  1588.         if (kUse16Outs)

  1589.         {

  1590.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1591.             {

  1592.                 for (uint32_t k=0; k < frames; ++k)

  1593.                     outBuffer[i][k+timeOffset] = fAudio16Buffers[i][k];

  1594.             }

  1595.         }

  1596. #endif

  1597. 

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

  1599. 

  1600.         pData->singleMutex.unlock();

  1601.         return true;

  1602.     }

  1603. 

  1604.     void bufferSizeChanged(const uint32_t newBufferSize) override

  1605.     {

  1606.         if (! kUse16Outs)

  1607.             return;

  1608. 

  1609.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1610.         {

  1611.             if (fAudio16Buffers[i] != nullptr)

  1612.                 delete[] fAudio16Buffers[i];

  1613.             fAudio16Buffers[i] = new float[newBufferSize];

  1614.         }

  1615.     }

  1616. 

  1617.     void sampleRateChanged(const double newSampleRate) override

  1618.     {

  1619.         CARLA_SAFE_ASSERT_RETURN(fSettings != nullptr,);

  1620.         fluid_settings_setnum(fSettings, "synth.sample-rate", newSampleRate);

  1621. 

  1622. #if FLUIDSYNTH_VERSION_MAJOR < 2

  1623.         CARLA_SAFE_ASSERT_RETURN(fSynth != nullptr,);

  1624.         fluid_synth_set_sample_rate(fSynth, static_cast<float>(newSampleRate));

  1625. #endif

  1626.     }

  1627. 

  1628.     // -------------------------------------------------------------------

  1629.     // Plugin buffers

  1630. 

  1631.     void clearBuffers() noexcept override

  1632.     {

  1633.         carla_debug("CarlaPluginFluidSynth::clearBuffers() - start");

  1634. 

  1635.         if (fAudio16Buffers != nullptr)

  1636.         {

  1637.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1638.             {

  1639.                 if (fAudio16Buffers[i] != nullptr)

  1640.                 {

  1641.                     delete[] fAudio16Buffers[i];

  1642.                     fAudio16Buffers[i] = nullptr;

  1643.                 }

  1644.             }

  1645. 

  1646.             delete[] fAudio16Buffers;

  1647.             fAudio16Buffers = nullptr;

  1648.         }

  1649. 

  1650.         CarlaPlugin::clearBuffers();

  1651. 

  1652.         carla_debug("CarlaPluginFluidSynth::clearBuffers() - end");

  1653.     }

  1654. 

  1655.     // -------------------------------------------------------------------

  1656. 

  1657.     const void* getExtraStuff() const noexcept override

  1658.     {

  1659.         static const char xtrue[]  = "true";

  1660.         static const char xfalse[] = "false";

  1661.         return kUse16Outs ? xtrue : xfalse;

  1662.     }

  1663. 

  1664.     // -------------------------------------------------------------------

  1665. 

  1666.     bool init(const CarlaPluginPtr plugin,

  1667.               const char* const filename, const char* const name, const char* const label, const uint options)

  1668.     {

  1669.         CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr, false);

  1670. 

  1671.         // ---------------------------------------------------------------

  1672.         // first checks

  1673. 

  1674.         if (pData->client != nullptr)

  1675.         {

  1676.             pData->engine->setLastError("Plugin client is already registered");

  1677.             return false;

  1678.         }

  1679. 

  1680.         if (fSynth == nullptr)

  1681.         {

  1682.             pData->engine->setLastError("null synth");

  1683.             return false;

  1684.         }

  1685. 

  1686.         if (filename == nullptr || filename[0] == '\0')

  1687.         {

  1688.             pData->engine->setLastError("null filename");

  1689.             return false;

  1690.         }

  1691. 

  1692.         if (label == nullptr || label[0] == '\0')

  1693.         {

  1694.             pData->engine->setLastError("null label");

  1695.             return false;

  1696.         }

  1697. 

  1698.         // ---------------------------------------------------------------

  1699.         // open soundfont

  1700. 

  1701.         const int synthId = fluid_synth_sfload(fSynth, filename, 0);

  1702. 

  1703.         if (synthId < 0)

  1704.         {

  1705.             pData->engine->setLastError("Failed to load SoundFont file");

  1706.             return false;

  1707.         }

  1708. 

  1709. #if FLUIDSYNTH_VERSION_MAJOR >= 2

  1710.         fSynthId = synthId;

  1711. #else

  1712.         fSynthId = static_cast<uint>(synthId);

  1713. #endif

  1714. 

  1715. 

  1716.         // ---------------------------------------------------------------

  1717.         // get info

  1718. 

  1719.         CarlaString label2(label);

  1720. 

  1721.         if (kUse16Outs && ! label2.endsWith(" (16 outs)"))

  1722.             label2 += " (16 outs)";

  1723. 

  1724.         fLabel          = label2.dup();

  1725.         pData->filename = carla_strdup(filename);

  1726. 

  1727.         if (name != nullptr && name[0] != '\0')

  1728.             pData->name = pData->engine->getUniquePluginName(name);

  1729.         else

  1730.             pData->name = pData->engine->getUniquePluginName(label);

  1731. 

  1732.         // ---------------------------------------------------------------

  1733.         // register client

  1734. 

  1735.         pData->client = pData->engine->addClient(plugin);

  1736. 

  1737.         if (pData->client == nullptr || ! pData->client->isOk())

  1738.         {

  1739.             pData->engine->setLastError("Failed to register plugin client");

  1740.             return false;

  1741.         }

  1742. 

  1743.         // ---------------------------------------------------------------

  1744.         // set options

  1745. 

  1746.         pData->options = 0x0;

  1747. 

  1748.         if (isPluginOptionEnabled(options, PLUGIN_OPTION_SEND_CONTROL_CHANGES))

  1749.             pData->options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  1750.         if (isPluginOptionEnabled(options, PLUGIN_OPTION_SEND_CHANNEL_PRESSURE))

  1751.             pData->options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  1752.         if (isPluginOptionEnabled(options, PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH))

  1753.             pData->options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  1754.         if (isPluginOptionEnabled(options, PLUGIN_OPTION_SEND_PITCHBEND))

  1755.             pData->options |= PLUGIN_OPTION_SEND_PITCHBEND;

  1756.         if (isPluginOptionEnabled(options, PLUGIN_OPTION_SEND_ALL_SOUND_OFF))

  1757.             pData->options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  1758.         if (isPluginOptionEnabled(options, PLUGIN_OPTION_MAP_PROGRAM_CHANGES))

  1759.             pData->options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  1760.         if (isPluginOptionInverseEnabled(options, PLUGIN_OPTION_SKIP_SENDING_NOTES))

  1761.             pData->options |= PLUGIN_OPTION_SKIP_SENDING_NOTES;

  1762. 

  1763.         return true;

  1764.     }

  1765. 

  1766. private:

  1767.     void initializeFluidDefaultsIfNeeded()

  1768.     {

  1769.         if (sFluidDefaultsStored)

  1770.             return;

  1771. 

  1772.         sFluidDefaultsStored = true;

  1773. 

  1774.         // reverb defaults

  1775.         sFluidDefaults[FluidSynthReverbOnOff] = 1.0f;

  1776. #if FLUIDSYNTH_VERSION_MAJOR >= 2

  1777.         double reverbVal;

  1778. 

  1779.         reverbVal = 0.2;

  1780.         fluid_settings_getnum_default(fSettings, "synth.reverb.room-size", &reverbVal);

  1781.         sFluidDefaults[FluidSynthReverbRoomSize] = static_cast<float>(reverbVal);

  1782. 

  1783.         reverbVal = 0.0;

  1784.         fluid_settings_getnum_default(fSettings, "synth.reverb.damp", &reverbVal);

  1785.         sFluidDefaults[FluidSynthReverbDamp] = static_cast<float>(reverbVal);

  1786. 

  1787.         reverbVal = 0.9;

  1788.         fluid_settings_getnum_default(fSettings, "synth.reverb.level", &reverbVal);

  1789.         sFluidDefaults[FluidSynthReverbLevel] = static_cast<float>(reverbVal);

  1790. 

  1791.         reverbVal = 0.5;

  1792.         fluid_settings_getnum_default(fSettings, "synth.reverb.width", &reverbVal);

  1793.         sFluidDefaults[FluidSynthReverbWidth] = static_cast<float>(reverbVal);

  1794. #else

  1795.         sFluidDefaults[FluidSynthReverbRoomSize] = FLUID_REVERB_DEFAULT_ROOMSIZE;

  1796.         sFluidDefaults[FluidSynthReverbDamp] = FLUID_REVERB_DEFAULT_DAMP;

  1797.         sFluidDefaults[FluidSynthReverbLevel] = FLUID_REVERB_DEFAULT_LEVEL;

  1798.         sFluidDefaults[FluidSynthReverbWidth] = FLUID_REVERB_DEFAULT_WIDTH;

  1799. #endif

  1800. 

  1801.         // chorus defaults

  1802.         sFluidDefaults[FluidSynthChorusOnOff] = 1.0f;

  1803. #if FLUIDSYNTH_VERSION_MAJOR >= 2

  1804.         double chorusVal;

  1805. 

  1806.         chorusVal = 3.0;

  1807.         fluid_settings_getnum_default(fSettings, "synth.chorus.nr", &chorusVal);

  1808.         sFluidDefaults[FluidSynthChorusNr] = static_cast<float>(chorusVal);

  1809. 

  1810.         chorusVal = 2.0;

  1811.         fluid_settings_getnum_default(fSettings, "synth.chorus.level", &chorusVal);

  1812.         sFluidDefaults[FluidSynthChorusLevel] = static_cast<float>(chorusVal);

  1813. 

  1814.         chorusVal = 0.3;

  1815.         fluid_settings_getnum_default(fSettings, "synth.chorus.speed", &chorusVal);

  1816.         sFluidDefaults[FluidSynthChorusSpeedHz] = static_cast<float>(chorusVal);

  1817. 

  1818.         chorusVal = 8.0;

  1819.         fluid_settings_getnum_default(fSettings, "synth.chorus.depth", &chorusVal);

  1820.         sFluidDefaults[FluidSynthChorusDepthMs] = static_cast<float>(chorusVal);

  1821. 

  1822.         // There is no settings for chorus default type

  1823.         sFluidDefaults[FluidSynthChorusType] = static_cast<float>(fluid_synth_get_chorus_type(fSynth));

  1824. #else

  1825.         sFluidDefaults[FluidSynthChorusNr] = FLUID_CHORUS_DEFAULT_N;

  1826.         sFluidDefaults[FluidSynthChorusLevel] = FLUID_CHORUS_DEFAULT_LEVEL;

  1827.         sFluidDefaults[FluidSynthChorusSpeedHz] = FLUID_CHORUS_DEFAULT_SPEED;

  1828.         sFluidDefaults[FluidSynthChorusDepthMs] = FLUID_CHORUS_DEFAULT_DEPTH;

  1829.         sFluidDefaults[FluidSynthChorusType] = FLUID_CHORUS_DEFAULT_TYPE;

  1830. #endif

  1831. 

  1832.         // misc. defaults

  1833.         sFluidDefaults[FluidSynthInterpolation] = FLUID_INTERP_DEFAULT;

  1834.         sFluidDefaults[FluidSynthPolyphony] = FLUID_DEFAULT_POLYPHONY;

  1835.     }

  1836. 

  1837.     enum FluidSynthParameters {

  1838.         FluidSynthReverbOnOff    = 0,

  1839.         FluidSynthReverbRoomSize = 1,

  1840.         FluidSynthReverbDamp     = 2,

  1841.         FluidSynthReverbLevel    = 3,

  1842.         FluidSynthReverbWidth    = 4,

  1843.         FluidSynthChorusOnOff    = 5,

  1844.         FluidSynthChorusNr       = 6,

  1845.         FluidSynthChorusLevel    = 7,

  1846.         FluidSynthChorusSpeedHz  = 8,

  1847.         FluidSynthChorusDepthMs  = 9,

  1848.         FluidSynthChorusType     = 10,

  1849.         FluidSynthPolyphony      = 11,

  1850.         FluidSynthInterpolation  = 12,

  1851.         FluidSynthVoiceCount     = 13,

  1852.         FluidSynthParametersMax  = 14

  1853.     };

  1854. 

  1855.     const bool kUse16Outs;

  1856. 

  1857.     fluid_settings_t* fSettings;

  1858.     fluid_synth_t*    fSynth;

  1859. #if FLUIDSYNTH_VERSION_MAJOR >= 2

  1860.     int fSynthId;

  1861. #else

  1862.     uint fSynthId;

  1863. #endif

  1864. 

  1865.     float** fAudio16Buffers;

  1866.     float   fParamBuffers[FluidSynthParametersMax];

  1867. 

  1868.     static bool sFluidDefaultsStored;

  1869.     static float sFluidDefaults[FluidSynthParametersMax];

  1870. 

  1871.     int32_t fCurMidiProgs[MAX_MIDI_CHANNELS];

  1872. 

  1873.     const char* fLabel;

  1874. 

  1875.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaPluginFluidSynth)

  1876. };

  1877. 

  1878. bool CarlaPluginFluidSynth::sFluidDefaultsStored = false;

  1879. float CarlaPluginFluidSynth::sFluidDefaults[FluidSynthParametersMax] = {

  1880.     0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f,

  1881. };

  1882. 

  1883. CARLA_BACKEND_END_NAMESPACE

  1884. 

  1885. #endif // HAVE_FLUIDSYNTH

  1886. 

  1887. CARLA_BACKEND_START_NAMESPACE

  1888. 

  1889. // -------------------------------------------------------------------------------------------------------------------

  1890. 

  1891. CarlaPluginPtr CarlaPlugin::newFluidSynth(const Initializer& init, PluginType ptype, bool use16Outs)

  1892. {

  1893.     carla_debug("CarlaPlugin::newFluidSynth({%p, \"%s\", \"%s\", \"%s\", " P_INT64 "}, %s)",

  1894.                 init.engine, init.filename, init.name, init.label, init.uniqueId, bool2str(use16Outs));

  1895. 

  1896. #ifdef HAVE_FLUIDSYNTH

  1897.     if (init.engine->getProccessMode() == ENGINE_PROCESS_MODE_CONTINUOUS_RACK)

  1898.         use16Outs = false;

  1899. 

  1900.     if (ptype == PLUGIN_SF2 && ! fluid_is_soundfont(init.filename))

  1901.     {

  1902.         init.engine->setLastError("Requested file is not a valid SoundFont");

  1903.         return nullptr;

  1904.     }

  1905. #ifndef HAVE_FLUIDSYNTH_INSTPATCH

  1906.     if (ptype == PLUGIN_DLS)

  1907.     {

  1908.         init.engine->setLastError("DLS file support not available");

  1909.         return nullptr;

  1910.     }

  1911.     if (ptype == PLUGIN_GIG)

  1912.     {

  1913.         init.engine->setLastError("GIG file support not available");

  1914.         return nullptr;

  1915.     }

  1916. #endif

  1917. 

  1918.     std::shared_ptr<CarlaPluginFluidSynth> plugin(new CarlaPluginFluidSynth(init.engine, init.id,  use16Outs));

  1919. 

  1920.     if (! plugin->init(plugin, init.filename, init.name, init.label, init.options))

  1921.         return nullptr;

  1922. 

  1923.     return plugin;

  1924. #else

  1925.     init.engine->setLastError("fluidsynth support not available");

  1926.     return nullptr;

  1927. 

  1928.     // unused

  1929.     (void)ptype;

  1930.     (void)use16Outs;

  1931. #endif

  1932. }

  1933. 

  1934. // -------------------------------------------------------------------------------------------------------------------

  1935. 

  1936. CARLA_BACKEND_END_NAMESPACE