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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_PITCHBEND;

  195.         options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  196.         options |= PLUGIN_OPTION_SKIP_SENDING_NOTES;

  197. #if FLUIDSYNTH_VERSION_MAJOR >= 2

  198.         options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  199. #endif

  200. 

  201.         return options;

  202.     }

  203. 

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

  205.     {

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

  207. 

  208.         return fParamBuffers[parameterId];

  209.     }

  210. 

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

  212.     {

  213.         switch (parameterId)

  214.         {

  215.         case FluidSynthChorusType:

  216.             switch (scalePointId)

  217.             {

  218.             case 0:

  219.                 return FLUID_CHORUS_MOD_SINE;

  220.             case 1:

  221.                 return FLUID_CHORUS_MOD_TRIANGLE;

  222.             default:

  223.                 return sFluidDefaults[FluidSynthChorusType];

  224.             }

  225.         case FluidSynthInterpolation:

  226.             switch (scalePointId)

  227.             {

  228.             case 0:

  229.                 return FLUID_INTERP_NONE;

  230.             case 1:

  231.                 return FLUID_INTERP_LINEAR;

  232.             case 2:

  233.                 return FLUID_INTERP_4THORDER;

  234.             case 3:

  235.                 return FLUID_INTERP_7THORDER;

  236.             default:

  237.                 return sFluidDefaults[FluidSynthInterpolation];

  238.             }

  239.         default:

  240.             return 0.0f;

  241.         }

  242.     }

  243. 

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

  245.     {

  246.         if (fLabel != nullptr)

  247.         {

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

  249.             return true;

  250.         }

  251. 

  252.         return CarlaPlugin::getLabel(strBuf);

  253.     }

  254. 

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

  256.     {

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

  258.         return true;

  259.     }

  260. 

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

  262.     {

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

  264.         return true;

  265.     }

  266. 

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

  268.     {

  269.         return getLabel(strBuf);

  270.     }

  271. 

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

  273.     {

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

  275. 

  276.         switch (parameterId)

  277.         {

  278.         case FluidSynthReverbOnOff:

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

  280.             return true;

  281.         case FluidSynthReverbRoomSize:

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

  283.             return true;

  284.         case FluidSynthReverbDamp:

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

  286.             return true;

  287.         case FluidSynthReverbLevel:

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

  289.             return true;

  290.         case FluidSynthReverbWidth:

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

  292.             return true;

  293.         case FluidSynthChorusOnOff:

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

  295.             return true;

  296.         case FluidSynthChorusNr:

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

  298.             return true;

  299.         case FluidSynthChorusLevel:

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

  301.             return true;

  302.         case FluidSynthChorusSpeedHz:

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

  304.             return true;

  305.         case FluidSynthChorusDepthMs:

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

  307.             return true;

  308.         case FluidSynthChorusType:

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

  310.             return true;

  311.         case FluidSynthPolyphony:

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

  313.             return true;

  314.         case FluidSynthInterpolation:

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

  316.             return true;

  317.         case FluidSynthVoiceCount:

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

  319.             return true;

  320.         }

  321. 

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

  323.     }

  324. 

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

  326.     {

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

  328. 

  329.         switch (parameterId)

  330.         {

  331.         case FluidSynthChorusSpeedHz:

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

  333.             return true;

  334.         case FluidSynthChorusDepthMs:

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

  336.             return true;

  337.         }

  338. 

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

  340.     }

  341. 

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

  343.     {

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

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

  346. 

  347.         switch (parameterId)

  348.         {

  349.         case FluidSynthChorusType:

  350.             switch (scalePointId)

  351.             {

  352.             case 0:

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

  354.                 return true;

  355.             case 1:

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

  357.                 return true;

  358.             }

  359.             break;

  360.         case FluidSynthInterpolation:

  361.             switch (scalePointId)

  362.             {

  363.             case 0:

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

  365.                 return true;

  366.             case 1:

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

  368.                 return true;

  369.             case 2:

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

  371.                 return true;

  372.             case 3:

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

  374.                 return true;

  375.             }

  376.             break;

  377.         }

  378. 

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

  380.     }

  381. 

  382.     // -------------------------------------------------------------------

  383.     // Set data (state)

  384. 

  385.     void prepareForSave(bool) override

  386.     {

  387.         char strBuf[STR_MAX+1];

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

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

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

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

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

  393. 

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

  395.     }

  396. 

  397.     // -------------------------------------------------------------------

  398.     // Set data (internal stuff)

  399. 

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

  401.     {

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

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

  404. 

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

  406.     }

  407. 

  408.     // -------------------------------------------------------------------

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

  410. 

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

  412.     {

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

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

  415. 

  416.         float fixedValue;

  417. 

  418.         {

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

  420.             fixedValue = setParameterValueInFluidSynth(parameterId, value);

  421. 

  422.         }

  423. 

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

  425.     }

  426. 

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

  428.     {

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

  430. 

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

  432.     }

  433. 

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

  435.     {

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

  437. 

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

  439.         fParamBuffers[parameterId] = fixedValue;

  440. 

  441.         switch (parameterId)

  442.         {

  443.         case FluidSynthReverbOnOff:

  444.             try {

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

  446.             } CARLA_SAFE_EXCEPTION("fluid_synth_set_reverb_on")

  447.             break;

  448. 

  449.         case FluidSynthReverbRoomSize:

  450.         case FluidSynthReverbDamp:

  451.         case FluidSynthReverbLevel:

  452.         case FluidSynthReverbWidth:

  453.             try {

  454.                 fluid_synth_set_reverb(fSynth,

  455.                                        fParamBuffers[FluidSynthReverbRoomSize],

  456.                                        fParamBuffers[FluidSynthReverbDamp],

  457.                                        fParamBuffers[FluidSynthReverbWidth],

  458.                                        fParamBuffers[FluidSynthReverbLevel]);

  459.             } CARLA_SAFE_EXCEPTION("fluid_synth_set_reverb")

  460.             break;

  461. 

  462.         case FluidSynthChorusOnOff:

  463.             try {

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

  465.             } CARLA_SAFE_EXCEPTION("fluid_synth_set_chorus_on")

  466.             break;

  467. 

  468.         case FluidSynthChorusNr:

  469.         case FluidSynthChorusLevel:

  470.         case FluidSynthChorusSpeedHz:

  471.         case FluidSynthChorusDepthMs:

  472.         case FluidSynthChorusType:

  473.             try {

  474.                 fluid_synth_set_chorus(fSynth,

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

  476.                                        fParamBuffers[FluidSynthChorusLevel],

  477.                                        fParamBuffers[FluidSynthChorusSpeedHz],

  478.                                        fParamBuffers[FluidSynthChorusDepthMs],

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

  480.             } CARLA_SAFE_EXCEPTION("fluid_synth_set_chorus")

  481.             break;

  482. 

  483.         case FluidSynthPolyphony:

  484.             try {

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

  486.             } CARLA_SAFE_EXCEPTION("fluid_synth_set_polyphony")

  487.             break;

  488. 

  489.         case FluidSynthInterpolation:

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

  491.             {

  492.                 try {

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

  494.                 } CARLA_SAFE_EXCEPTION_BREAK("fluid_synth_set_interp_method")

  495.             }

  496.             break;

  497. 

  498.         default:

  499.             break;

  500.         }

  501. 

  502.         return fixedValue;

  503.     }

  504. 

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

  506.     {

  507.         CARLA_SAFE_ASSERT_RETURN(fSynth != nullptr,);

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

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

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

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

  512. 

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

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

  515. 

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

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

  518. 

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

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

  521. 

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

  523. 

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

  525.         {

  526.             uint8_t channel = 0;

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

  528.             {

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

  530. 

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

  532.                 {

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

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

  535. 

  536. #if FLUIDSYNTH_VERSION_MAJOR >= 2

  537.                     fluid_synth_program_select(fSynth,

  538.                                                static_cast<int>(channel),

  539.                                                fSynthId,

  540.                                                static_cast<int>(bank),

  541.                                                static_cast<int>(program));

  542. #else

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

  544. #endif

  545.                     fCurMidiProgs[channel] = index;

  546. 

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

  548.                     {

  549.                         pData->midiprog.current = index;

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

  551.                                                 ENGINE_CALLBACK_MIDI_PROGRAM_CHANGED,

  552.                                                 pData->id,

  553.                                                 index,

  554.                                                 0, 0, 0.0f, nullptr);

  555.                     }

  556.                 }

  557. 

  558.                 ++channel;

  559.             }

  560.             CARLA_SAFE_ASSERT(channel == MAX_MIDI_CHANNELS);

  561.         }

  562. 

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

  564.     }

  565. 

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

  567.     {

  568.         CARLA_SAFE_ASSERT_RETURN(fSynth != nullptr,);

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

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

  571. 

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

  573.         {

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

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

  576. 

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

  578. 

  579.             try {

  580. #if FLUIDSYNTH_VERSION_MAJOR >= 2

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

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

  583. #else

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

  585. #endif

  586.             } CARLA_SAFE_EXCEPTION("fluid_synth_program_select")

  587. 

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

  589.         }

  590. 

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

  592.     }

  593. 

  594.     // FIXME: this is never used

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

  596.     {

  597.         CARLA_SAFE_ASSERT_RETURN(fSynth != nullptr,);

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

  599. 

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

  601.         {

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

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

  604. 

  605.             try {

  606. #if FLUIDSYNTH_VERSION_MAJOR >= 2

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

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

  609. #else

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

  611. #endif

  612.             } CARLA_SAFE_EXCEPTION("fluid_synth_program_select")

  613. 

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

  615.         }

  616. 

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

  618.     }

  619. 

  620.     // -------------------------------------------------------------------

  621.     // Set ui stuff

  622. 

  623.     // nothing

  624. 

  625.     // -------------------------------------------------------------------

  626.     // Plugin state

  627. 

  628.     void reload() override

  629.     {

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

  631.         CARLA_SAFE_ASSERT_RETURN(fSynth != nullptr,);

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

  633. 

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

  635. 

  636.         // Safely disable plugin for reload

  637.         const ScopedDisabler sd(this);

  638. 

  639.         if (pData->active)

  640.             deactivate();

  641. 

  642.         clearBuffers();

  643. 

  644.         uint32_t aOuts, params;

  645.         aOuts  = kUse16Outs ? 32 : 2;

  646.         params = FluidSynthParametersMax;

  647. 

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

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

  650. 

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

  652.         CarlaString portName;

  653. 

  654.         // ---------------------------------------

  655.         // Audio Outputs

  656. 

  657.         if (kUse16Outs)

  658.         {

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

  660.             {

  661.                 portName.clear();

  662. 

  663.                 if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  664.                 {

  665.                     portName  = pData->name;

  666.                     portName += ":";

  667.                 }

  668. 

  669.                 portName += "out-";

  670. 

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

  672.                     portName += "0";

  673. 

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

  675. 

  676.                 if (i % 2 == 0)

  677.                     portName += "L";

  678.                 else

  679.                     portName += "R";

  680. 

  681.                 portName.truncate(portNameSize);

  682. 

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

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

  685.             }

  686. 

  687.             fAudio16Buffers = new float*[aOuts];

  688. 

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

  690.                 fAudio16Buffers[i] = nullptr;

  691.         }

  692.         else

  693.         {

  694.             // out-left

  695.             portName.clear();

  696. 

  697.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  698.             {

  699.                 portName  = pData->name;

  700.                 portName += ":";

  701.             }

  702. 

  703.             portName += "out-left";

  704.             portName.truncate(portNameSize);

  705. 

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

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

  708. 

  709.             // out-right

  710.             portName.clear();

  711. 

  712.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  713.             {

  714.                 portName  = pData->name;

  715.                 portName += ":";

  716.             }

  717. 

  718.             portName += "out-right";

  719.             portName.truncate(portNameSize);

  720. 

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

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

  723.         }

  724. 

  725.         // ---------------------------------------

  726.         // Event Input

  727. 

  728.         {

  729.             portName.clear();

  730. 

  731.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  732.             {

  733.                 portName  = pData->name;

  734.                 portName += ":";

  735.             }

  736. 

  737.             portName += "events-in";

  738.             portName.truncate(portNameSize);

  739. 

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

  741.         }

  742. 

  743.         // ---------------------------------------

  744.         // Event Output

  745. 

  746.         {

  747.             portName.clear();

  748. 

  749.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  750.             {

  751.                 portName  = pData->name;

  752.                 portName += ":";

  753.             }

  754. 

  755.             portName += "events-out";

  756.             portName.truncate(portNameSize);

  757. 

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

  759.         }

  760. 

  761.         // ---------------------------------------

  762.         // Parameters

  763. 

  764.         {

  765.             int j;

  766. 

  767.             // ----------------------

  768.             j = FluidSynthReverbOnOff;

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

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

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

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

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

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

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

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

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

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

  779. 

  780.             // ----------------------

  781.             j = FluidSynthReverbRoomSize;

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

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

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

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

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

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

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

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

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

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

  792. 

  793.             // ----------------------

  794.             j = FluidSynthReverbDamp;

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

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

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

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

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

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

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

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

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

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

  805. 

  806.             // ----------------------

  807.             j = FluidSynthReverbLevel;

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

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

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

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

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

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

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

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

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

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

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

  819. 

  820.             // ----------------------

  821.             j = FluidSynthReverbWidth;

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

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

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

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

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

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

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

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

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

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

  832. 

  833.             // ----------------------

  834.             j = FluidSynthChorusOnOff;

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

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

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

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

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

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

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

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

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

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

  845. 

  846.             // ----------------------

  847.             j = FluidSynthChorusNr;

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

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

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

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

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

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

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

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

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

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

  858. 

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

  860.             j = FluidSynthChorusLevel;

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

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

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

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

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

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

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

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

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

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

  871. 

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

  873.             j = FluidSynthChorusSpeedHz;

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

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

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

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

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

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

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

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

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

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

  884. 

  885.             // ----------------------

  886.             j = FluidSynthChorusDepthMs;

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

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

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

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

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

  892. #if FLUIDSYNTH_VERSION_MAJOR >= 2

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

  894. #else

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

  896. #endif

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

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

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

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

  901. 

  902.             // ----------------------

  903.             j = FluidSynthChorusType;

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

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

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

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

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

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

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

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

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

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

  914. 

  915.             // ----------------------

  916.             j = FluidSynthPolyphony;

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

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

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

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

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

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

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

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

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

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

  927. 

  928.             // ----------------------

  929.             j = FluidSynthInterpolation;

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

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

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

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

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

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

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

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

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

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

  940. 

  941.             // ----------------------

  942.             j = FluidSynthVoiceCount;

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

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

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

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

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

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

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

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

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

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

  953. 

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

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

  956.         }

  957. 

  958.         // ---------------------------------------

  959. 

  960.         // plugin hints

  961.         pData->hints  = 0x0;

  962.         pData->hints |= PLUGIN_IS_SYNTH;

  963.         pData->hints |= PLUGIN_CAN_VOLUME;

  964.         pData->hints |= PLUGIN_USES_MULTI_PROGS;

  965. 

  966.         if (! kUse16Outs)

  967.             pData->hints |= PLUGIN_CAN_BALANCE;

  968. 

  969.         // extra plugin hints

  970.         pData->extraHints  = 0x0;

  971.         pData->extraHints |= PLUGIN_EXTRA_HINT_HAS_MIDI_IN;

  972. 

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

  974.         reloadPrograms(true);

  975. 

  976.         if (pData->active)

  977.             activate();

  978. 

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

  980.     }

  981. 

  982.     void reloadPrograms(const bool doInit) override

  983.     {

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

  985. 

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

  987.         bool hasDrums = false;

  988.         uint32_t drumIndex, drumProg;

  989.         drumIndex = drumProg = 0;

  990. 

  991.         // Delete old programs

  992.         pData->midiprog.clear();

  993. 

  994.         // Query new programs

  995.         uint32_t count = 0;

  996. 

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

  998.         {

  999. #if FLUIDSYNTH_VERSION_MAJOR >= 2

  1000.             fluid_preset_t* f_preset;

  1001. 

  1002.             // initial check to know how many midi-programs we have

  1003.             fluid_sfont_iteration_start(f_sfont);

  1004.             for (; fluid_sfont_iteration_next(f_sfont);)

  1005.                 ++count;

  1006. 

  1007.             // sound kits must always have at least 1 midi-program

  1008.             CARLA_SAFE_ASSERT_RETURN(count > 0,);

  1009. 

  1010.             pData->midiprog.createNew(count);

  1011. 

  1012.             // Update data

  1013.             int tmp;

  1014.             uint32_t i = 0;

  1015.             fluid_sfont_iteration_start(f_sfont);

  1016. 

  1017.             for (; (f_preset = fluid_sfont_iteration_next(f_sfont));)

  1018.             {

  1019.                 CARLA_SAFE_ASSERT_BREAK(i < count);

  1020. 

  1021.                 tmp = fluid_preset_get_banknum(f_preset);

  1022.                 pData->midiprog.data[i].bank = (tmp >= 0) ? static_cast<uint32_t>(tmp) : 0;

  1023. 

  1024.                 tmp = fluid_preset_get_num(f_preset);

  1025.                 pData->midiprog.data[i].program = (tmp >= 0) ? static_cast<uint32_t>(tmp) : 0;

  1026. 

  1027.                 pData->midiprog.data[i].name = carla_strdup(fluid_preset_get_name(f_preset));

  1028. #else

  1029.             fluid_preset_t f_preset;

  1030. 

  1031.             // initial check to know how many midi-programs we have

  1032.             f_sfont->iteration_start(f_sfont);

  1033.             for (; f_sfont->iteration_next(f_sfont, &f_preset);)

  1034.                 ++count;

  1035. 

  1036.             // sound kits must always have at least 1 midi-program

  1037.             CARLA_SAFE_ASSERT_RETURN(count > 0,);

  1038. 

  1039.             pData->midiprog.createNew(count);

  1040. 

  1041.             // Update data

  1042.             int tmp;

  1043.             uint32_t i = 0;

  1044.             f_sfont->iteration_start(f_sfont);

  1045. 

  1046.             for (; f_sfont->iteration_next(f_sfont, &f_preset);)

  1047.             {

  1048.                 CARLA_SAFE_ASSERT_BREAK(i < count);

  1049. 

  1050.                 tmp = f_preset.get_banknum(&f_preset);

  1051.                 pData->midiprog.data[i].bank = (tmp >= 0) ? static_cast<uint32_t>(tmp) : 0;

  1052. 

  1053.                 tmp = f_preset.get_num(&f_preset);

  1054.                 pData->midiprog.data[i].program = (tmp >= 0) ? static_cast<uint32_t>(tmp) : 0;

  1055. 

  1056.                 pData->midiprog.data[i].name = carla_strdup(f_preset.get_name(&f_preset));

  1057. #endif

  1058. 

  1059.                 if (pData->midiprog.data[i].bank == 128 && ! hasDrums)

  1060.                 {

  1061.                     hasDrums  = true;

  1062.                     drumIndex = i;

  1063.                     drumProg  = pData->midiprog.data[i].program;

  1064.                 }

  1065. 

  1066.                 ++i;

  1067.             }

  1068.         }

  1069.         else

  1070.         {

  1071.             // failing means 0 midi-programs, it shouldn't happen!

  1072.             carla_safe_assert("fluid_sfont_t* const f_sfont = fluid_synth_get_sfont_by_id(fSynth, fSynthId)", __FILE__, __LINE__);

  1073.             return;

  1074.         }

  1075. 

  1076.         if (doInit)

  1077.         {

  1078.             fluid_synth_program_reset(fSynth);

  1079. 

  1080.             // select first program, or 128 for ch10

  1081.             for (int i=0; i < MAX_MIDI_CHANNELS && i != 9; ++i)

  1082.             {

  1083.                 fluid_synth_set_channel_type(fSynth, i, CHANNEL_TYPE_MELODIC);

  1084. #if FLUIDSYNTH_VERSION_MAJOR >= 2

  1085.                 fluid_synth_program_select(fSynth, i, fSynthId,

  1086.                                            static_cast<int>(pData->midiprog.data[0].bank),

  1087.                                            static_cast<int>(pData->midiprog.data[0].program));

  1088. #else

  1089.                 fluid_synth_program_select(fSynth, i, fSynthId,

  1090.                                            pData->midiprog.data[0].bank, pData->midiprog.data[0].program);

  1091. #endif

  1092.                 fCurMidiProgs[i] = 0;

  1093.             }

  1094. 

  1095.             if (hasDrums)

  1096.             {

  1097.                 fluid_synth_set_channel_type(fSynth, 9, CHANNEL_TYPE_DRUM);

  1098. #if FLUIDSYNTH_VERSION_MAJOR >= 2

  1099.                 fluid_synth_program_select(fSynth, 9, fSynthId, 128, static_cast<int>(drumProg));

  1100. #else

  1101.                 fluid_synth_program_select(fSynth, 9, fSynthId, 128, drumProg);

  1102. #endif

  1103.                 fCurMidiProgs[9] = static_cast<int32_t>(drumIndex);

  1104.             }

  1105.             else

  1106.             {

  1107.                 fluid_synth_set_channel_type(fSynth, 9, CHANNEL_TYPE_MELODIC);

  1108. #if FLUIDSYNTH_VERSION_MAJOR >= 2

  1109.                 fluid_synth_program_select(fSynth, 9, fSynthId,

  1110.                                            static_cast<int>(pData->midiprog.data[0].bank),

  1111.                                            static_cast<int>(pData->midiprog.data[0].program));

  1112. #else

  1113.                 fluid_synth_program_select(fSynth, 9, fSynthId,

  1114.                                            pData->midiprog.data[0].bank, pData->midiprog.data[0].program);

  1115. #endif

  1116.                 fCurMidiProgs[9] = 0;

  1117.             }

  1118. 

  1119.             pData->midiprog.current = 0;

  1120.         }

  1121.         else

  1122.         {

  1123.             pData->engine->callback(true, true, ENGINE_CALLBACK_RELOAD_PROGRAMS, pData->id, 0, 0, 0, 0.0f, nullptr);

  1124.         }

  1125.     }

  1126. 

  1127.     // -------------------------------------------------------------------

  1128.     // Plugin processing

  1129. 

  1130.     void process(const float* const* const, float** const audioOut,

  1131.                  const float* const*, float**, const uint32_t frames) override

  1132.     {

  1133.         // --------------------------------------------------------------------------------------------------------

  1134.         // Check if active

  1135. 

  1136.         if (! pData->active)

  1137.         {

  1138.             // disable any output sound

  1139.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1140.                 carla_zeroFloats(audioOut[i], frames);

  1141.             return;

  1142.         }

  1143. 

  1144.         // --------------------------------------------------------------------------------------------------------

  1145.         // Check if needs reset

  1146. 

  1147.         if (pData->needsReset)

  1148.         {

  1149.             if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1150.             {

  1151.                 for (int i=0; i < MAX_MIDI_CHANNELS; ++i)

  1152.                 {

  1153.                     fluid_synth_all_notes_off(fSynth, i);

  1154.                     fluid_synth_all_sounds_off(fSynth, i);

  1155.                 }

  1156.             }

  1157.             else if (pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1158.             {

  1159.                 for (int i=0; i < MAX_MIDI_NOTE; ++i)

  1160.                     fluid_synth_noteoff(fSynth, pData->ctrlChannel, i);

  1161.             }

  1162. 

  1163.             pData->needsReset = false;

  1164.         }

  1165. 

  1166.         // --------------------------------------------------------------------------------------------------------

  1167.         // Event Input and Processing

  1168. 

  1169.         {

  1170.             // ----------------------------------------------------------------------------------------------------

  1171.             // MIDI Input (External)

  1172. 

  1173.             if (pData->extNotes.mutex.tryLock())

  1174.             {

  1175.                 for (RtLinkedList<ExternalMidiNote>::Itenerator it = pData->extNotes.data.begin2(); it.valid(); it.next())

  1176.                 {

  1177.                     const ExternalMidiNote& note(it.getValue(kExternalMidiNoteFallback));

  1178.                     CARLA_SAFE_ASSERT_CONTINUE(note.channel >= 0 && note.channel < MAX_MIDI_CHANNELS);

  1179. 

  1180.                     if (note.velo > 0)

  1181.                         fluid_synth_noteon(fSynth, note.channel, note.note, note.velo);

  1182.                     else

  1183.                         fluid_synth_noteoff(fSynth,note.channel, note.note);

  1184.                 }

  1185. 

  1186.                 pData->extNotes.data.clear();

  1187.                 pData->extNotes.mutex.unlock();

  1188. 

  1189.             } // End of MIDI Input (External)

  1190. 

  1191.             // ----------------------------------------------------------------------------------------------------

  1192.             // Event Input (System)

  1193. 

  1194. #ifndef BUILD_BRIDGE

  1195.             bool allNotesOffSent = false;

  1196. #endif

  1197.             uint32_t timeOffset = 0;

  1198. 

  1199.             uint32_t nextBankIds[MAX_MIDI_CHANNELS] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 0, 0, 0, 0, 0, 0 };

  1200. 

  1201.             if (pData->midiprog.current >= 0 && pData->midiprog.count > 0 && pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1202.                 nextBankIds[pData->ctrlChannel] = pData->midiprog.data[pData->midiprog.current].bank;

  1203. 

  1204.             for (uint32_t i=0, numEvents=pData->event.portIn->getEventCount(); i < numEvents; ++i)

  1205.             {

  1206.                 const EngineEvent& event(pData->event.portIn->getEvent(i));

  1207. 

  1208.                 uint32_t eventTime = event.time;

  1209.                 CARLA_SAFE_ASSERT_UINT2_CONTINUE(eventTime < frames, eventTime, frames);

  1210. 

  1211.                 if (eventTime < timeOffset)

  1212.                 {

  1213.                     carla_stderr2("Timing error, eventTime:%u < timeOffset:%u for '%s'",

  1214.                                   eventTime, timeOffset, pData->name);

  1215.                     eventTime = timeOffset;

  1216.                 }

  1217.                 else if (eventTime > timeOffset)

  1218.                 {

  1219.                     if (processSingle(audioOut, eventTime - timeOffset, timeOffset))

  1220.                     {

  1221.                         timeOffset = eventTime;

  1222. 

  1223.                         if (pData->midiprog.current >= 0 && pData->midiprog.count > 0 && pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1224.                             nextBankIds[pData->ctrlChannel] = pData->midiprog.data[pData->midiprog.current].bank;

  1225.                     }

  1226.                 }

  1227. 

  1228.                 // Control change

  1229.                 switch (event.type)

  1230.                 {

  1231.                 case kEngineEventTypeNull:

  1232.                     break;

  1233. 

  1234.                 case kEngineEventTypeControl:

  1235.                 {

  1236.                     const EngineControlEvent& ctrlEvent = event.ctrl;

  1237. 

  1238.                     switch (ctrlEvent.type)

  1239.                     {

  1240.                     case kEngineControlEventTypeNull:

  1241.                         break;

  1242. 

  1243.                     case kEngineControlEventTypeParameter:

  1244.                     {

  1245.                         float value;

  1246. 

  1247. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  1248.                         // Control backend stuff

  1249.                         if (event.channel == pData->ctrlChannel)

  1250.                         {

  1251.                             if (MIDI_IS_CONTROL_BREATH_CONTROLLER(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_DRYWET) != 0)

  1252.                             {

  1253.                                 value = ctrlEvent.normalizedValue;

  1254.                                 setDryWetRT(value, true);

  1255.                             }

  1256. 

  1257.                             if (MIDI_IS_CONTROL_CHANNEL_VOLUME(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_VOLUME) != 0)

  1258.                             {

  1259.                                 value = ctrlEvent.normalizedValue*127.0f/100.0f;

  1260.                                 setVolumeRT(value, true);

  1261.                             }

  1262. 

  1263.                             if (MIDI_IS_CONTROL_BALANCE(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_BALANCE) != 0)

  1264.                             {

  1265.                                 float left, right;

  1266.                                 value = ctrlEvent.normalizedValue/0.5f - 1.0f;

  1267. 

  1268.                                 if (value < 0.0f)

  1269.                                 {

  1270.                                     left  = -1.0f;

  1271.                                     right = (value*2.0f)+1.0f;

  1272.                                 }

  1273.                                 else if (value > 0.0f)

  1274.                                 {

  1275.                                     left  = (value*2.0f)-1.0f;

  1276.                                     right = 1.0f;

  1277.                                 }

  1278.                                 else

  1279.                                 {

  1280.                                     left  = -1.0f;

  1281.                                     right = 1.0f;

  1282.                                 }

  1283. 

  1284.                                 setBalanceLeftRT(left, true);

  1285.                                 setBalanceRightRT(right, true);

  1286.                             }

  1287.                         }

  1288. #endif

  1289.                         // Control plugin parameters

  1290.                         for (uint32_t k=0; k < pData->param.count; ++k)

  1291.                         {

  1292.                             if (pData->param.data[k].midiChannel != event.channel)

  1293.                                 continue;

  1294.                             if (pData->param.data[k].mappedControlIndex != ctrlEvent.param)

  1295.                                 continue;

  1296.                             if (pData->param.data[k].hints != PARAMETER_INPUT)

  1297.                                 continue;

  1298.                             if ((pData->param.data[k].hints & PARAMETER_IS_AUTOMABLE) == 0)

  1299.                                 continue;

  1300. 

  1301.                             value = pData->param.getFinalUnnormalizedValue(k, ctrlEvent.normalizedValue);

  1302.                             setParameterValueRT(k, value, true);

  1303.                         }

  1304. 

  1305.                         if ((pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0 && ctrlEvent.param < MAX_MIDI_VALUE)

  1306.                         {

  1307.                             fluid_synth_cc(fSynth, event.channel, ctrlEvent.param, int(ctrlEvent.normalizedValue*127.0f));

  1308.                         }

  1309.                         break;

  1310.                     }

  1311. 

  1312.                     case kEngineControlEventTypeMidiBank:

  1313.                         if (event.channel < MAX_MIDI_CHANNELS && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1314.                             nextBankIds[event.channel] = ctrlEvent.param;

  1315.                         break;

  1316. 

  1317.                     case kEngineControlEventTypeMidiProgram:

  1318.                         if (event.channel < MAX_MIDI_CHANNELS && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1319.                         {

  1320.                             const uint32_t bankId(nextBankIds[event.channel]);

  1321.                             const uint32_t progId(ctrlEvent.param);

  1322. 

  1323.                             // TODO int32_t midiprog.find(bank, prog)

  1324.                             for (uint32_t k=0; k < pData->midiprog.count; ++k)

  1325.                             {

  1326.                                 if (pData->midiprog.data[k].bank == bankId && pData->midiprog.data[k].program == progId)

  1327.                                 {

  1328. #if FLUIDSYNTH_VERSION_MAJOR >= 2

  1329.                                     fluid_synth_program_select(fSynth, event.channel, fSynthId,

  1330.                                                                static_cast<int>(bankId), static_cast<int>(progId));

  1331. #else

  1332.                                     fluid_synth_program_select(fSynth, event.channel, fSynthId, bankId, progId);

  1333. #endif

  1334.                                     fCurMidiProgs[event.channel] = static_cast<int32_t>(k);

  1335. 

  1336.                                     if (event.channel == pData->ctrlChannel)

  1337.                                     {

  1338.                                         pData->postponeRtEvent(kPluginPostRtEventMidiProgramChange,

  1339.                                                                true,

  1340.                                                                static_cast<int32_t>(k),

  1341.                                                                0, 0, 0.0f);

  1342.                                     }

  1343. 

  1344.                                     break;

  1345.                                 }

  1346.                             }

  1347.                         }

  1348.                         break;

  1349. 

  1350.                     case kEngineControlEventTypeAllSoundOff:

  1351.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1352.                             fluid_synth_all_sounds_off(fSynth, event.channel);

  1353.                         break;

  1354. 

  1355.                     case kEngineControlEventTypeAllNotesOff:

  1356.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1357.                         {

  1358. #ifndef BUILD_BRIDGE

  1359.                             if (event.channel == pData->ctrlChannel && ! allNotesOffSent)

  1360.                             {

  1361.                                 allNotesOffSent = true;

  1362.                                 postponeRtAllNotesOff();

  1363.                             }

  1364. #endif

  1365. 

  1366.                             fluid_synth_all_notes_off(fSynth, event.channel);

  1367.                         }

  1368.                         break;

  1369.                     }

  1370. 

  1371.                     break;

  1372.                 }

  1373. 

  1374.                 case kEngineEventTypeMidi: {

  1375.                     const EngineMidiEvent& midiEvent(event.midi);

  1376. 

  1377.                     if (midiEvent.size > EngineMidiEvent::kDataSize)

  1378.                         continue;

  1379. 

  1380.                     uint8_t status = uint8_t(MIDI_GET_STATUS_FROM_DATA(midiEvent.data));

  1381. 

  1382.                     // Fix bad note-off

  1383.                     if (status == MIDI_STATUS_NOTE_ON && midiEvent.data[2] == 0)

  1384.                         status = MIDI_STATUS_NOTE_OFF;

  1385. 

  1386.                     switch (status)

  1387.                     {

  1388.                     case MIDI_STATUS_NOTE_OFF:

  1389.                         if ((pData->options & PLUGIN_OPTION_SKIP_SENDING_NOTES) == 0x0)

  1390.                         {

  1391.                             const uint8_t note = midiEvent.data[1];

  1392. 

  1393.                             fluid_synth_noteoff(fSynth, event.channel, note);

  1394. 

  1395.                             pData->postponeRtEvent(kPluginPostRtEventNoteOff, true, event.channel, note, 0, 0.0f);

  1396.                         }

  1397.                         break;

  1398. 

  1399.                     case MIDI_STATUS_NOTE_ON:

  1400.                         if ((pData->options & PLUGIN_OPTION_SKIP_SENDING_NOTES) == 0x0)

  1401.                         {

  1402.                             const uint8_t note = midiEvent.data[1];

  1403.                             const uint8_t velo = midiEvent.data[2];

  1404. 

  1405.                             fluid_synth_noteon(fSynth, event.channel, note, velo);

  1406. 

  1407.                             pData->postponeRtEvent(kPluginPostRtEventNoteOn, true, event.channel, note, velo, 0.0f);

  1408.                         }

  1409.                         break;

  1410. 

  1411. #if FLUIDSYNTH_VERSION_MAJOR >= 2

  1412.                     case MIDI_STATUS_POLYPHONIC_AFTERTOUCH:

  1413.                         if (pData->options & PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH)

  1414.                         {

  1415.                             const uint8_t note     = midiEvent.data[1];

  1416.                             const uint8_t pressure = midiEvent.data[2];

  1417. 

  1418.                             fluid_synth_key_pressure(fSynth, event.channel, note, pressure);

  1419.                         }

  1420.                         break;

  1421. #endif

  1422. 

  1423.                     case MIDI_STATUS_CONTROL_CHANGE:

  1424.                         if (pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES)

  1425.                         {

  1426.                             const uint8_t control = midiEvent.data[1];

  1427.                             const uint8_t value   = midiEvent.data[2];

  1428. 

  1429.                             fluid_synth_cc(fSynth, event.channel, control, value);

  1430.                         }

  1431.                         break;

  1432. 

  1433.                     case MIDI_STATUS_CHANNEL_PRESSURE:

  1434.                         if (pData->options & PLUGIN_OPTION_SEND_CHANNEL_PRESSURE)

  1435.                         {

  1436.                             const uint8_t pressure = midiEvent.data[1];

  1437. 

  1438.                             fluid_synth_channel_pressure(fSynth, event.channel, pressure);;

  1439.                         }

  1440.                         break;

  1441. 

  1442.                     case MIDI_STATUS_PITCH_WHEEL_CONTROL:

  1443.                         if (pData->options & PLUGIN_OPTION_SEND_PITCHBEND)

  1444.                         {

  1445.                             const uint8_t lsb = midiEvent.data[1];

  1446.                             const uint8_t msb = midiEvent.data[2];

  1447.                             const int   value = ((msb << 7) | lsb);

  1448. 

  1449.                             fluid_synth_pitch_bend(fSynth, event.channel, value);

  1450.                         }

  1451.                         break;

  1452. 

  1453.                     default:

  1454.                         continue;

  1455.                         break;

  1456.                     } // switch (status)

  1457.                 } break;

  1458.                 } // switch (event.type)

  1459.             }

  1460. 

  1461.             pData->postRtEvents.trySplice();

  1462. 

  1463.             if (frames > timeOffset)

  1464.                 processSingle(audioOut, frames - timeOffset, timeOffset);

  1465. 

  1466.         } // End of Event Input and Processing

  1467. 

  1468. #ifndef BUILD_BRIDGE

  1469.         // --------------------------------------------------------------------------------------------------------

  1470.         // Control Output

  1471. 

  1472.         {

  1473.             uint32_t k = FluidSynthVoiceCount;

  1474.             fParamBuffers[k] = float(fluid_synth_get_active_voice_count(fSynth));

  1475.             pData->param.ranges[k].fixValue(fParamBuffers[k]);

  1476. 

  1477.             if (pData->param.data[k].mappedControlIndex > 0)

  1478.             {

  1479.                 float value(pData->param.ranges[k].getNormalizedValue(fParamBuffers[k]));

  1480.                 pData->event.portOut->writeControlEvent(0,

  1481.                                                         pData->param.data[k].midiChannel,

  1482.                                                         kEngineControlEventTypeParameter,

  1483.                                                         static_cast<uint16_t>(pData->param.data[k].mappedControlIndex),

  1484.                                                         -1,

  1485.                                                         value);

  1486.             }

  1487. 

  1488.         } // End of Control Output

  1489. #endif

  1490.     }

  1491. 

  1492.     bool processSingle(float** const outBuffer, const uint32_t frames, const uint32_t timeOffset)

  1493.     {

  1494.         CARLA_SAFE_ASSERT_RETURN(outBuffer != nullptr, false);

  1495.         CARLA_SAFE_ASSERT_RETURN(frames > 0, false);

  1496. 

  1497.         // --------------------------------------------------------------------------------------------------------

  1498.         // Try lock, silence otherwise

  1499. 

  1500. #ifndef STOAT_TEST_BUILD

  1501.         if (pData->engine->isOffline())

  1502.         {

  1503.             pData->singleMutex.lock();

  1504.         }

  1505.         else

  1506. #endif

  1507.         if (! pData->singleMutex.tryLock())

  1508.         {

  1509.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1510.             {

  1511.                 for (uint32_t k=0; k < frames; ++k)

  1512.                     outBuffer[i][k+timeOffset] = 0.0f;

  1513.             }

  1514. 

  1515.             return false;

  1516.         }

  1517. 

  1518.         // --------------------------------------------------------------------------------------------------------

  1519.         // Fill plugin buffers and Run plugin

  1520. 

  1521.         if (kUse16Outs)

  1522.         {

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

  1524.                 carla_zeroFloats(fAudio16Buffers[i], frames);

  1525. 

  1526.             // FIXME use '32' or '16' instead of outs

  1527.             fluid_synth_process(fSynth, static_cast<int>(frames),

  1528.                                 0, nullptr,

  1529.                                 static_cast<int>(pData->audioOut.count), fAudio16Buffers);

  1530.         }

  1531.         else

  1532.         {

  1533.             fluid_synth_write_float(fSynth, static_cast<int>(frames),

  1534.                                     outBuffer[0] + timeOffset, 0, 1,

  1535.                                     outBuffer[1] + timeOffset, 0, 1);

  1536.         }

  1537. 

  1538. #ifndef BUILD_BRIDGE

  1539.         // --------------------------------------------------------------------------------------------------------

  1540.         // Post-processing (volume and balance)

  1541. 

  1542.         {

  1543.             // note - balance not possible with kUse16Outs, so we can safely skip fAudioOutBuffers

  1544.             const bool doVolume  = (pData->hints & PLUGIN_CAN_VOLUME) != 0 && carla_isNotEqual(pData->postProc.volume, 1.0f);

  1545.             const bool doBalance = (pData->hints & PLUGIN_CAN_BALANCE) != 0 && ! (carla_isEqual(pData->postProc.balanceLeft, -1.0f) && carla_isEqual(pData->postProc.balanceRight, 1.0f));

  1546. 

  1547.             float oldBufLeft[doBalance ? frames : 1];

  1548. 

  1549.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1550.             {

  1551.                 // Balance

  1552.                 if (doBalance)

  1553.                 {

  1554.                     if (i % 2 == 0)

  1555.                         carla_copyFloats(oldBufLeft, outBuffer[i]+timeOffset, frames);

  1556. 

  1557.                     float balRangeL = (pData->postProc.balanceLeft  + 1.0f)/2.0f;

  1558.                     float balRangeR = (pData->postProc.balanceRight + 1.0f)/2.0f;

  1559. 

  1560.                     for (uint32_t k=0; k < frames; ++k)

  1561.                     {

  1562.                         if (i % 2 == 0)

  1563.                         {

  1564.                             // left

  1565.                             outBuffer[i][k+timeOffset]  = oldBufLeft[k]                * (1.0f - balRangeL);

  1566.                             outBuffer[i][k+timeOffset] += outBuffer[i+1][k+timeOffset] * (1.0f - balRangeR);

  1567.                         }

  1568.                         else

  1569.                         {

  1570.                             // right

  1571.                             outBuffer[i][k+timeOffset]  = outBuffer[i][k+timeOffset] * balRangeR;

  1572.                             outBuffer[i][k+timeOffset] += oldBufLeft[k]              * balRangeL;

  1573.                         }

  1574.                     }

  1575.                 }

  1576. 

  1577.                 // Volume

  1578.                 if (kUse16Outs)

  1579.                 {

  1580.                     for (uint32_t k=0; k < frames; ++k)

  1581.                         outBuffer[i][k+timeOffset] = fAudio16Buffers[i][k] * pData->postProc.volume;

  1582.                 }

  1583.                 else if (doVolume)

  1584.                 {

  1585.                     for (uint32_t k=0; k < frames; ++k)

  1586.                         outBuffer[i][k+timeOffset] *= pData->postProc.volume;

  1587.                 }

  1588.             }

  1589. 

  1590.         } // End of Post-processing

  1591. #else

  1592.         if (kUse16Outs)

  1593.         {

  1594.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1595.             {

  1596.                 for (uint32_t k=0; k < frames; ++k)

  1597.                     outBuffer[i][k+timeOffset] = fAudio16Buffers[i][k];

  1598.             }

  1599.         }

  1600. #endif

  1601. 

  1602.         // --------------------------------------------------------------------------------------------------------

  1603. 

  1604.         pData->singleMutex.unlock();

  1605.         return true;

  1606.     }

  1607. 

  1608.     void bufferSizeChanged(const uint32_t newBufferSize) override

  1609.     {

  1610.         if (! kUse16Outs)

  1611.             return;

  1612. 

  1613.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1614.         {

  1615.             if (fAudio16Buffers[i] != nullptr)

  1616.                 delete[] fAudio16Buffers[i];

  1617.             fAudio16Buffers[i] = new float[newBufferSize];

  1618.         }

  1619.     }

  1620. 

  1621.     void sampleRateChanged(const double newSampleRate) override

  1622.     {

  1623.         CARLA_SAFE_ASSERT_RETURN(fSettings != nullptr,);

  1624.         fluid_settings_setnum(fSettings, "synth.sample-rate", newSampleRate);

  1625. 

  1626. #if FLUIDSYNTH_VERSION_MAJOR < 2

  1627.         CARLA_SAFE_ASSERT_RETURN(fSynth != nullptr,);

  1628.         fluid_synth_set_sample_rate(fSynth, static_cast<float>(newSampleRate));

  1629. #endif

  1630.     }

  1631. 

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

  1633.     // Plugin buffers

  1634. 

  1635.     void clearBuffers() noexcept override

  1636.     {

  1637.         carla_debug("CarlaPluginFluidSynth::clearBuffers() - start");

  1638. 

  1639.         if (fAudio16Buffers != nullptr)

  1640.         {

  1641.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1642.             {

  1643.                 if (fAudio16Buffers[i] != nullptr)

  1644.                 {

  1645.                     delete[] fAudio16Buffers[i];

  1646.                     fAudio16Buffers[i] = nullptr;

  1647.                 }

  1648.             }

  1649. 

  1650.             delete[] fAudio16Buffers;

  1651.             fAudio16Buffers = nullptr;

  1652.         }

  1653. 

  1654.         CarlaPlugin::clearBuffers();

  1655. 

  1656.         carla_debug("CarlaPluginFluidSynth::clearBuffers() - end");

  1657.     }

  1658. 

  1659.     // -------------------------------------------------------------------

  1660. 

  1661.     const void* getExtraStuff() const noexcept override

  1662.     {

  1663.         static const char xtrue[]  = "true";

  1664.         static const char xfalse[] = "false";

  1665.         return kUse16Outs ? xtrue : xfalse;

  1666.     }

  1667. 

  1668.     // -------------------------------------------------------------------

  1669. 

  1670.     bool init(const CarlaPluginPtr plugin,

  1671.               const char* const filename, const char* const name, const char* const label, const uint options)

  1672.     {

  1673.         CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr, false);

  1674. 

  1675.         // ---------------------------------------------------------------

  1676.         // first checks

  1677. 

  1678.         if (pData->client != nullptr)

  1679.         {

  1680.             pData->engine->setLastError("Plugin client is already registered");

  1681.             return false;

  1682.         }

  1683. 

  1684.         if (fSynth == nullptr)

  1685.         {

  1686.             pData->engine->setLastError("null synth");

  1687.             return false;

  1688.         }

  1689. 

  1690.         if (filename == nullptr || filename[0] == '\0')

  1691.         {

  1692.             pData->engine->setLastError("null filename");

  1693.             return false;

  1694.         }

  1695. 

  1696.         if (label == nullptr || label[0] == '\0')

  1697.         {

  1698.             pData->engine->setLastError("null label");

  1699.             return false;

  1700.         }

  1701. 

  1702.         // ---------------------------------------------------------------

  1703.         // open soundfont

  1704. 

  1705.         const int synthId = fluid_synth_sfload(fSynth, filename, 0);

  1706. 

  1707.         if (synthId < 0)

  1708.         {

  1709.             pData->engine->setLastError("Failed to load SoundFont file");

  1710.             return false;

  1711.         }

  1712. 

  1713. #if FLUIDSYNTH_VERSION_MAJOR >= 2

  1714.         fSynthId = synthId;

  1715. #else

  1716.         fSynthId = static_cast<uint>(synthId);

  1717. #endif

  1718. 

  1719. 

  1720.         // ---------------------------------------------------------------

  1721.         // get info

  1722. 

  1723.         CarlaString label2(label);

  1724. 

  1725.         if (kUse16Outs && ! label2.endsWith(" (16 outs)"))

  1726.             label2 += " (16 outs)";

  1727. 

  1728.         fLabel          = label2.dup();

  1729.         pData->filename = carla_strdup(filename);

  1730. 

  1731.         if (name != nullptr && name[0] != '\0')

  1732.             pData->name = pData->engine->getUniquePluginName(name);

  1733.         else

  1734.             pData->name = pData->engine->getUniquePluginName(label);

  1735. 

  1736.         // ---------------------------------------------------------------

  1737.         // register client

  1738. 

  1739.         pData->client = pData->engine->addClient(plugin);

  1740. 

  1741.         if (pData->client == nullptr || ! pData->client->isOk())

  1742.         {

  1743.             pData->engine->setLastError("Failed to register plugin client");

  1744.             return false;

  1745.         }

  1746. 

  1747.         // ---------------------------------------------------------------

  1748.         // set options

  1749. 

  1750.         pData->options = 0x0;

  1751. 

  1752.         if (isPluginOptionEnabled(options, PLUGIN_OPTION_SEND_CONTROL_CHANGES))

  1753.             pData->options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  1754.         if (isPluginOptionEnabled(options, PLUGIN_OPTION_SEND_CHANNEL_PRESSURE))

  1755.             pData->options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  1756.         if (isPluginOptionEnabled(options, PLUGIN_OPTION_SEND_PITCHBEND))

  1757.             pData->options |= PLUGIN_OPTION_SEND_PITCHBEND;

  1758.         if (isPluginOptionEnabled(options, PLUGIN_OPTION_SEND_ALL_SOUND_OFF))

  1759.             pData->options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  1760.         if (isPluginOptionEnabled(options, PLUGIN_OPTION_MAP_PROGRAM_CHANGES))

  1761.             pData->options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  1762.         if (isPluginOptionInverseEnabled(options, PLUGIN_OPTION_SKIP_SENDING_NOTES))

  1763.             pData->options |= PLUGIN_OPTION_SKIP_SENDING_NOTES;

  1764. #if FLUIDSYNTH_VERSION_MAJOR >= 2

  1765.         if (isPluginOptionEnabled(options, PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH))

  1766.             pData->options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  1767. #endif

  1768. 

  1769.         return true;

  1770.     }

  1771. 

  1772. private:

  1773.     void initializeFluidDefaultsIfNeeded()

  1774.     {

  1775.         if (sFluidDefaultsStored)

  1776.             return;

  1777. 

  1778.         sFluidDefaultsStored = true;

  1779. 

  1780.         // reverb defaults

  1781.         sFluidDefaults[FluidSynthReverbOnOff] = 1.0f;

  1782. #if FLUIDSYNTH_VERSION_MAJOR >= 2

  1783.         double reverbVal;

  1784. 

  1785.         reverbVal = 0.2;

  1786.         fluid_settings_getnum_default(fSettings, "synth.reverb.room-size", &reverbVal);

  1787.         sFluidDefaults[FluidSynthReverbRoomSize] = static_cast<float>(reverbVal);

  1788. 

  1789.         reverbVal = 0.0;

  1790.         fluid_settings_getnum_default(fSettings, "synth.reverb.damp", &reverbVal);

  1791.         sFluidDefaults[FluidSynthReverbDamp] = static_cast<float>(reverbVal);

  1792. 

  1793.         reverbVal = 0.9;

  1794.         fluid_settings_getnum_default(fSettings, "synth.reverb.level", &reverbVal);

  1795.         sFluidDefaults[FluidSynthReverbLevel] = static_cast<float>(reverbVal);

  1796. 

  1797.         reverbVal = 0.5;

  1798.         fluid_settings_getnum_default(fSettings, "synth.reverb.width", &reverbVal);

  1799.         sFluidDefaults[FluidSynthReverbWidth] = static_cast<float>(reverbVal);

  1800. #else

  1801.         sFluidDefaults[FluidSynthReverbRoomSize] = FLUID_REVERB_DEFAULT_ROOMSIZE;

  1802.         sFluidDefaults[FluidSynthReverbDamp] = FLUID_REVERB_DEFAULT_DAMP;

  1803.         sFluidDefaults[FluidSynthReverbLevel] = FLUID_REVERB_DEFAULT_LEVEL;

  1804.         sFluidDefaults[FluidSynthReverbWidth] = FLUID_REVERB_DEFAULT_WIDTH;

  1805. #endif

  1806. 

  1807.         // chorus defaults

  1808.         sFluidDefaults[FluidSynthChorusOnOff] = 1.0f;

  1809. #if FLUIDSYNTH_VERSION_MAJOR >= 2

  1810.         double chorusVal;

  1811. 

  1812.         chorusVal = 3.0;

  1813.         fluid_settings_getnum_default(fSettings, "synth.chorus.nr", &chorusVal);

  1814.         sFluidDefaults[FluidSynthChorusNr] = static_cast<float>(chorusVal);

  1815. 

  1816.         chorusVal = 2.0;

  1817.         fluid_settings_getnum_default(fSettings, "synth.chorus.level", &chorusVal);

  1818.         sFluidDefaults[FluidSynthChorusLevel] = static_cast<float>(chorusVal);

  1819. 

  1820.         chorusVal = 0.3;

  1821.         fluid_settings_getnum_default(fSettings, "synth.chorus.speed", &chorusVal);

  1822.         sFluidDefaults[FluidSynthChorusSpeedHz] = static_cast<float>(chorusVal);

  1823. 

  1824.         chorusVal = 8.0;

  1825.         fluid_settings_getnum_default(fSettings, "synth.chorus.depth", &chorusVal);

  1826.         sFluidDefaults[FluidSynthChorusDepthMs] = static_cast<float>(chorusVal);

  1827. 

  1828.         // There is no settings for chorus default type

  1829.         sFluidDefaults[FluidSynthChorusType] = static_cast<float>(fluid_synth_get_chorus_type(fSynth));

  1830. #else

  1831.         sFluidDefaults[FluidSynthChorusNr] = FLUID_CHORUS_DEFAULT_N;

  1832.         sFluidDefaults[FluidSynthChorusLevel] = FLUID_CHORUS_DEFAULT_LEVEL;

  1833.         sFluidDefaults[FluidSynthChorusSpeedHz] = FLUID_CHORUS_DEFAULT_SPEED;

  1834.         sFluidDefaults[FluidSynthChorusDepthMs] = FLUID_CHORUS_DEFAULT_DEPTH;

  1835.         sFluidDefaults[FluidSynthChorusType] = FLUID_CHORUS_DEFAULT_TYPE;

  1836. #endif

  1837. 

  1838.         // misc. defaults

  1839.         sFluidDefaults[FluidSynthInterpolation] = FLUID_INTERP_DEFAULT;

  1840.         sFluidDefaults[FluidSynthPolyphony] = FLUID_DEFAULT_POLYPHONY;

  1841.     }

  1842. 

  1843.     enum FluidSynthParameters {

  1844.         FluidSynthReverbOnOff    = 0,

  1845.         FluidSynthReverbRoomSize = 1,

  1846.         FluidSynthReverbDamp     = 2,

  1847.         FluidSynthReverbLevel    = 3,

  1848.         FluidSynthReverbWidth    = 4,

  1849.         FluidSynthChorusOnOff    = 5,

  1850.         FluidSynthChorusNr       = 6,

  1851.         FluidSynthChorusLevel    = 7,

  1852.         FluidSynthChorusSpeedHz  = 8,

  1853.         FluidSynthChorusDepthMs  = 9,

  1854.         FluidSynthChorusType     = 10,

  1855.         FluidSynthPolyphony      = 11,

  1856.         FluidSynthInterpolation  = 12,

  1857.         FluidSynthVoiceCount     = 13,

  1858.         FluidSynthParametersMax  = 14

  1859.     };

  1860. 

  1861.     const bool kUse16Outs;

  1862. 

  1863.     fluid_settings_t* fSettings;

  1864.     fluid_synth_t*    fSynth;

  1865. #if FLUIDSYNTH_VERSION_MAJOR >= 2

  1866.     int fSynthId;

  1867. #else

  1868.     uint fSynthId;

  1869. #endif

  1870. 

  1871.     float** fAudio16Buffers;

  1872.     float   fParamBuffers[FluidSynthParametersMax];

  1873. 

  1874.     static bool sFluidDefaultsStored;

  1875.     static float sFluidDefaults[FluidSynthParametersMax];

  1876. 

  1877.     int32_t fCurMidiProgs[MAX_MIDI_CHANNELS];

  1878. 

  1879.     const char* fLabel;

  1880. 

  1881.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaPluginFluidSynth)

  1882. };

  1883. 

  1884. bool CarlaPluginFluidSynth::sFluidDefaultsStored = false;

  1885. float CarlaPluginFluidSynth::sFluidDefaults[FluidSynthParametersMax] = {

  1886.     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,

  1887. };

  1888. 

  1889. CARLA_BACKEND_END_NAMESPACE

  1890. 

  1891. #endif // HAVE_FLUIDSYNTH

  1892. 

  1893. CARLA_BACKEND_START_NAMESPACE

  1894. 

  1895. // -------------------------------------------------------------------------------------------------------------------

  1896. 

  1897. CarlaPluginPtr CarlaPlugin::newFluidSynth(const Initializer& init, PluginType ptype, bool use16Outs)

  1898. {

  1899.     carla_debug("CarlaPlugin::newFluidSynth({%p, \"%s\", \"%s\", \"%s\", " P_INT64 "}, %s)",

  1900.                 init.engine, init.filename, init.name, init.label, init.uniqueId, bool2str(use16Outs));

  1901. 

  1902. #ifdef HAVE_FLUIDSYNTH

  1903.     if (init.engine->getProccessMode() == ENGINE_PROCESS_MODE_CONTINUOUS_RACK)

  1904.         use16Outs = false;

  1905. 

  1906.     if (ptype == PLUGIN_SF2 && ! fluid_is_soundfont(init.filename))

  1907.     {

  1908.         init.engine->setLastError("Requested file is not a valid SoundFont");

  1909.         return nullptr;

  1910.     }

  1911. #ifndef HAVE_FLUIDSYNTH_INSTPATCH

  1912.     if (ptype == PLUGIN_DLS)

  1913.     {

  1914.         init.engine->setLastError("DLS file support not available");

  1915.         return nullptr;

  1916.     }

  1917.     if (ptype == PLUGIN_GIG)

  1918.     {

  1919.         init.engine->setLastError("GIG file support not available");

  1920.         return nullptr;

  1921.     }

  1922. #endif

  1923. 

  1924.     std::shared_ptr<CarlaPluginFluidSynth> plugin(new CarlaPluginFluidSynth(init.engine, init.id,  use16Outs));

  1925. 

  1926.     if (! plugin->init(plugin, init.filename, init.name, init.label, init.options))

  1927.         return nullptr;

  1928. 

  1929.     return plugin;

  1930. #else

  1931.     init.engine->setLastError("fluidsynth support not available");

  1932.     return nullptr;

  1933. 

  1934.     // unused

  1935.     (void)ptype;

  1936.     (void)use16Outs;

  1937. #endif

  1938. }

  1939. 

  1940. // -------------------------------------------------------------------------------------------------------------------

  1941. 

  1942. CARLA_BACKEND_END_NAMESPACE