falkTX
/
Carla
mirror of https://github.com/falkTX/Carla
1
0
Fork 0
Code Releases 42 Activity
Audio plugin host https://kx.studio/carla
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
419 Commits
16 Branches
286MB
Tree: 6730059ce7
Branches Tags
${ item.name }
Create branch ${ searchTerm }
from '6730059ce7'
${ noResults }
Carla/source/backend/plugin/FluidSynthPlugin.cpp

1572 lines
55KB
Raw Blame History 

  1. /*

  2.  * Carla FluidSynth Plugin

  3.  * Copyright (C) 2011-2013 Filipe Coelho <falktx@falktx.com>

  4.  *

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

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

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

  8.  * the License, or any later version.

  9.  *

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

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

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

  13.  * GNU General Public License for more details.

  14.  *

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

  16.  */

  17. 

  18. #include "CarlaPluginInternal.hpp"

  19. 

  20. #ifdef WANT_FLUIDSYNTH

  21. 

  22. #include <fluidsynth.h>

  23. 

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

  25. 

  26. CARLA_BACKEND_START_NAMESPACE

  27. 

  28. #if 0

  29. }

  30. #endif

  31. 

  32. #define FLUID_DEFAULT_POLYPHONY 64

  33. 

  34. class FluidSynthPlugin : public CarlaPlugin

  35. {

  36. public:

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

  38.         : CarlaPlugin(engine, id),

  39.           kUses16Outs(use16Outs),

  40.           fSettings(nullptr),

  41.           fSynth(nullptr),

  42.           fSynthId(-1),

  43.           fAudio16Buffers(nullptr),

  44.           fParamBuffers{0.0f}

  45.     {

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

  47. 

  48.         // create settings

  49.         fSettings = new_fluid_settings();

  50.         CARLA_ASSERT(fSettings != nullptr);

  51. 

  52.         // define settings

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

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

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

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

  57. 

  58.         // create synth

  59.         fSynth = new_fluid_synth(fSettings);

  60.         CARLA_ASSERT(fSynth != nullptr);

  61. 

  62. #ifdef FLUIDSYNTH_VERSION_NEW_API

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

  64. #endif

  65. 

  66.         // set default values

  67.         fluid_synth_set_reverb_on(fSynth, 0);

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

  69. 

  70.         fluid_synth_set_chorus_on(fSynth, 0);

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

  72. 

  73.         fluid_synth_set_polyphony(fSynth, FLUID_DEFAULT_POLYPHONY);

  74. 

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

  76.             fluid_synth_set_interp_method(fSynth, i, FLUID_INTERP_DEFAULT);

  77.     }

  78. 

  79.     ~FluidSynthPlugin() override

  80.     {

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

  82. 

  83.         kData->singleMutex.lock();

  84.         kData->masterMutex.lock();

  85. 

  86.         if (kData->active)

  87.         {

  88.             deactivate();

  89.             kData->active = false;

  90.         }

  91. 

  92.         delete_fluid_synth(fSynth);

  93.         delete_fluid_settings(fSettings);

  94. 

  95.         clearBuffers();

  96.     }

  97. 

  98.     // -------------------------------------------------------------------

  99.     // Information (base)

  100. 

  101.     PluginType type() const override

  102.     {

  103.         return PLUGIN_SF2;

  104.     }

  105. 

  106.     PluginCategory category() override

  107.     {

  108.         return PLUGIN_CATEGORY_SYNTH;

  109.     }

  110. 

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

  112.     // Information (count)

  113. 

  114.     uint32_t parameterScalePointCount(const uint32_t parameterId) const override

  115.     {

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

  117. 

  118.         switch (parameterId)

  119.         {

  120.         case FluidSynthChorusType:

  121.             return 2;

  122.         case FluidSynthInterpolation:

  123.             return 4;

  124.         default:

  125.             return 0;

  126.         }

  127.     }

  128. 

  129.     // -------------------------------------------------------------------

  130.     // Information (per-plugin data)

  131. 

  132.     unsigned int availableOptions() override

  133.     {

  134.         unsigned int options = 0x0;

  135. 

  136.         options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  137.         options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  138.         options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  139.         options |= PLUGIN_OPTION_SEND_PITCHBEND;

  140.         options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  141. 

  142.         return options;

  143.     }

  144. 

  145.     float getParameterValue(const uint32_t parameterId) override

  146.     {

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

  148. 

  149.         return fParamBuffers[parameterId];

  150.     }

  151. 

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

  153.     {

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

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

  156. 

  157.         switch (parameterId)

  158.         {

  159.         case FluidSynthChorusType:

  160.             switch (scalePointId)

  161.             {

  162.             case 0:

  163.                 return FLUID_CHORUS_MOD_SINE;

  164.             case 1:

  165.                 return FLUID_CHORUS_MOD_TRIANGLE;

  166.             default:

  167.                 return FLUID_CHORUS_DEFAULT_TYPE;

  168.             }

  169.         case FluidSynthInterpolation:

  170.             switch (scalePointId)

  171.             {

  172.             case 0:

  173.                 return FLUID_INTERP_NONE;

  174.             case 1:

  175.                 return FLUID_INTERP_LINEAR;

  176.             case 2:

  177.                 return FLUID_INTERP_4THORDER;

  178.             case 3:

  179.                 return FLUID_INTERP_7THORDER;

  180.             default:

  181.                 return FLUID_INTERP_DEFAULT;

  182.             }

  183.         default:

  184.             return 0.0f;

  185.         }

  186.     }

  187. 

  188.     void getLabel(char* const strBuf) override

  189.     {

  190.         if (fLabel.isNotEmpty())

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

  192.         else

  193.             CarlaPlugin::getLabel(strBuf);

  194.     }

  195. 

  196.     void getMaker(char* const strBuf) override

  197.     {

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

  199.     }

  200. 

  201.     void getCopyright(char* const strBuf) override

  202.     {

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

  204.     }

  205. 

  206.     void getRealName(char* const strBuf) override

  207.     {

  208.         getLabel(strBuf);

  209.     }

  210. 

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

  212.     {

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

  214. 

  215.         switch (parameterId)

  216.         {

  217.         case FluidSynthReverbOnOff:

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

  219.             break;

  220.         case FluidSynthReverbRoomSize:

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

  222.             break;

  223.         case FluidSynthReverbDamp:

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

  225.             break;

  226.         case FluidSynthReverbLevel:

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

  228.             break;

  229.         case FluidSynthReverbWidth:

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

  231.             break;

  232.         case FluidSynthChorusOnOff:

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

  234.             break;

  235.         case FluidSynthChorusNr:

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

  237.             break;

  238.         case FluidSynthChorusLevel:

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

  240.             break;

  241.         case FluidSynthChorusSpeedHz:

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

  243.             break;

  244.         case FluidSynthChorusDepthMs:

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

  246.             break;

  247.         case FluidSynthChorusType:

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

  249.             break;

  250.         case FluidSynthPolyphony:

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

  252.             break;

  253.         case FluidSynthInterpolation:

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

  255.             break;

  256.         case FluidSynthVoiceCount:

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

  258.             break;

  259.         default:

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

  261.             break;

  262.         }

  263.     }

  264. 

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

  266.     {

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

  268. 

  269.         switch (parameterId)

  270.         {

  271.         case FluidSynthChorusSpeedHz:

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

  273.             break;

  274.         case FluidSynthChorusDepthMs:

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

  276.             break;

  277.         default:

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

  279.             break;

  280.         }

  281.     }

  282. 

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

  284.     {

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

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

  287. 

  288.         switch (parameterId)

  289.         {

  290.         case FluidSynthChorusType:

  291.             switch (scalePointId)

  292.             {

  293.             case 0:

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

  295.                 return;

  296.             case 1:

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

  298.                 return;

  299.             }

  300.         case FluidSynthInterpolation:

  301.             switch (scalePointId)

  302.             {

  303.             case 0:

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

  305.                 return;

  306.             case 1:

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

  308.                 return;

  309.             case 2:

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

  311.                 return;

  312.             case 3:

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

  314.                 return;

  315.             }

  316.         }

  317. 

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

  319.     }

  320. 

  321.     // -------------------------------------------------------------------

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

  323. 

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

  325.     {

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

  327. 

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

  329.         fParamBuffers[parameterId] = fixedValue;

  330. 

  331.         {

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

  333. 

  334.             switch (parameterId)

  335.             {

  336.             case FluidSynthReverbOnOff:

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

  338.                 break;

  339. 

  340.             case FluidSynthReverbRoomSize:

  341.             case FluidSynthReverbDamp:

  342.             case FluidSynthReverbLevel:

  343.             case FluidSynthReverbWidth:

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

  345.                 break;

  346. 

  347.             case FluidSynthChorusOnOff:

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

  349.                 break;

  350. 

  351.             case FluidSynthChorusNr:

  352.             case FluidSynthChorusLevel:

  353.             case FluidSynthChorusSpeedHz:

  354.             case FluidSynthChorusDepthMs:

  355.             case FluidSynthChorusType:

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

  357.                 break;

  358. 

  359.             case FluidSynthPolyphony:

  360.                 fluid_synth_set_polyphony(fSynth, value);

  361.                 break;

  362. 

  363.             case FluidSynthInterpolation:

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

  365.                     fluid_synth_set_interp_method(fSynth, i, value);

  366.                 break;

  367. 

  368.             default:

  369.                 break;

  370.             }

  371.         }

  372. 

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

  374.     }

  375. 

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

  377.     {

  378.         CARLA_ASSERT(fSynth != nullptr);

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

  380. 

  381.         if (index < -1)

  382.             index = -1;

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

  384.             return;

  385. 

  386.         if (kData->ctrlChannel < 0 || kData->ctrlChannel >= 16)

  387.             return;

  388. 

  389.         if (index >= 0)

  390.         {

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

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

  393. 

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

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

  396.         }

  397. 

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

  399.     }

  400. 

  401.     // -------------------------------------------------------------------

  402.     // Plugin state

  403. 

  404.     void reload() override

  405.     {

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

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

  408.         CARLA_ASSERT(fSynth != nullptr);

  409. 

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

  411.             return;

  412.         if (fSynth == nullptr)

  413.             return;

  414. 

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

  416. 

  417.         // Safely disable plugin for reload

  418.         const ScopedDisabler sd(this);

  419. 

  420.         if (kData->active)

  421.             deactivate();

  422. 

  423.         clearBuffers();

  424. 

  425.         uint32_t aOuts, params, j;

  426.         aOuts  = kUses16Outs ? 32 : 2;

  427.         params = FluidSynthParametersMax;

  428. 

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

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

  431. 

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

  433.         CarlaString portName;

  434. 

  435.         // ---------------------------------------

  436.         // Audio Outputs

  437. 

  438.         if (kUses16Outs)

  439.         {

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

  441.             {

  442.                 portName.clear();

  443. 

  444.                 if (processMode == PROCESS_MODE_SINGLE_CLIENT)

  445.                 {

  446.                     portName  = fName;

  447.                     portName += ":";

  448.                 }

  449. 

  450.                 portName += "out-";

  451. 

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

  453.                     portName += "0";

  454. 

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

  456. 

  457.                 if (j % 2 == 0)

  458.                     portName += "L";

  459.                 else

  460.                     portName += "R";

  461. 

  462.                 portName.truncate(portNameSize);

  463. 

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

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

  466.             }

  467. 

  468.             fAudio16Buffers = new float*[aOuts];

  469. 

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

  471.                 fAudio16Buffers[j] = nullptr;

  472.         }

  473.         else

  474.         {

  475.             // out-left

  476.             portName.clear();

  477. 

  478.             if (processMode == PROCESS_MODE_SINGLE_CLIENT)

  479.             {

  480.                 portName  = fName;

  481.                 portName += ":";

  482.             }

  483. 

  484.             portName += "out-left";

  485.             portName.truncate(portNameSize);

  486. 

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

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

  489. 

  490.             // out-right

  491.             portName.clear();

  492. 

  493.             if (processMode == PROCESS_MODE_SINGLE_CLIENT)

  494.             {

  495.                 portName  = fName;

  496.                 portName += ":";

  497.             }

  498. 

  499.             portName += "out-right";

  500.             portName.truncate(portNameSize);

  501. 

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

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

  504.         }

  505. 

  506.         // ---------------------------------------

  507.         // Event Input

  508. 

  509.         {

  510.             portName.clear();

  511. 

  512.             if (processMode == PROCESS_MODE_SINGLE_CLIENT)

  513.             {

  514.                 portName  = fName;

  515.                 portName += ":";

  516.             }

  517. 

  518.             portName += "event-in";

  519.             portName.truncate(portNameSize);

  520. 

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

  522.         }

  523. 

  524.         // ---------------------------------------

  525.         // Event Output

  526. 

  527.         {

  528.             portName.clear();

  529. 

  530.             if (processMode == PROCESS_MODE_SINGLE_CLIENT)

  531.             {

  532.                 portName  = fName;

  533.                 portName += ":";

  534.             }

  535. 

  536.             portName += "event-out";

  537.             portName.truncate(portNameSize);

  538. 

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

  540.         }

  541. 

  542.         // ----------------------

  543.         j = FluidSynthReverbOnOff;

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

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

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

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

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

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

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

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

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

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

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

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

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

  557. 

  558.         // ----------------------

  559.         j = FluidSynthReverbRoomSize;

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

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

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

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

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

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

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

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

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

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

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

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

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

  573. 

  574.         // ----------------------

  575.         j = FluidSynthReverbDamp;

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

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

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

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

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

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

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

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

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

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

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

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

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

  589. 

  590.         // ----------------------

  591.         j = FluidSynthReverbLevel;

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

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

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

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

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

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

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

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

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

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

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

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

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

  605. 

  606.         // ----------------------

  607.         j = FluidSynthReverbWidth;

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

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

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

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

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

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

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

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

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

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

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

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

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

  621. 

  622.         // ----------------------

  623.         j = FluidSynthChorusOnOff;

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

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

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

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

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

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

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

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

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

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

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

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

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

  637. 

  638.         // ----------------------

  639.         j = FluidSynthChorusNr;

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

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

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

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

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

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

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

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

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

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

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

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

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

  653. 

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

  655.         j = FluidSynthChorusLevel;

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

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

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

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

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

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

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

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

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

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

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

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

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

  669. 

  670.         // ----------------------

  671.         j = FluidSynthChorusSpeedHz;

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

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

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

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

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

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

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

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

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

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

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

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

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

  685. 

  686.         // ----------------------

  687.         j = FluidSynthChorusDepthMs;

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

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

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

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

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

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

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

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

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

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

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

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

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

  701. 

  702.         // ----------------------

  703.         j = FluidSynthChorusType;

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

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

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

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

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

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

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

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

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

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

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

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

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

  717. 

  718.         // ----------------------

  719.         j = FluidSynthPolyphony;

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

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

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

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

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

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

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

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

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

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

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

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

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

  733. 

  734.         // ----------------------

  735.         j = FluidSynthInterpolation;

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

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

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

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

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

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

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

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

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

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

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

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

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

  749. 

  750.         // ----------------------

  751.         j = FluidSynthVoiceCount;

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

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

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

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

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

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

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

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

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

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

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

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

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

  765. 

  766.         // ---------------------------------------

  767. 

  768.         // plugin hints

  769.         fHints  = 0x0;

  770.         fHints |= PLUGIN_IS_RTSAFE;

  771.         fHints |= PLUGIN_IS_SYNTH;

  772.         fHints |= PLUGIN_CAN_VOLUME;

  773.         fHints |= PLUGIN_CAN_BALANCE;

  774. 

  775.         // extra plugin hints

  776.         kData->extraHints  = 0x0;

  777.         kData->extraHints |= PLUGIN_HINT_HAS_MIDI_IN;

  778.         kData->extraHints |= PLUGIN_HINT_CAN_RUN_RACK;

  779. 

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

  781.         reloadPrograms(true);

  782. 

  783.         if (kData->active)

  784.             activate();

  785. 

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

  787.     }

  788. 

  789.     void reloadPrograms(const bool init) override

  790.     {

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

  792. 

  793.         // Delete old programs

  794.         kData->midiprog.clear();

  795. 

  796.         // Query new programs

  797.         uint32_t count = 0;

  798.         fluid_sfont_t* f_sfont;

  799.         fluid_preset_t f_preset;

  800.         bool hasDrums = false;

  801. 

  802.         f_sfont = fluid_synth_get_sfont_by_id(fSynth, fSynthId);

  803. 

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

  805.         f_sfont->iteration_start(f_sfont);

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

  807.             count += 1;

  808. 

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

  810.         CARLA_ASSERT(count > 0);

  811. 

  812.         if (count == 0)

  813.             return;

  814. 

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

  816. 

  817.         // Update data

  818.         uint32_t i = 0;

  819.         f_sfont->iteration_start(f_sfont);

  820. 

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

  822.         {

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

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

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

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

  827. 

  828.             if (kData->midiprog.data[i].bank == 128)

  829.                 hasDrums = true;

  830. 

  831.             ++i;

  832.         }

  833. 

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

  835. 

  836. #ifndef BUILD_BRIDGE

  837.         // Update OSC Names

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

  839.         {

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

  841. 

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

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

  844.         }

  845. #endif

  846. 

  847.         if (init)

  848.         {

  849.             fluid_synth_program_reset(fSynth);

  850. 

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

  852.             for (i=0; i < 16 && i != 9; ++i)

  853.             {

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

  855. #ifdef FLUIDSYNTH_VERSION_NEW_API

  856.                 fluid_synth_set_channel_type(fSynth, i, CHANNEL_TYPE_MELODIC);

  857. #endif

  858.             }

  859. 

  860.             if (hasDrums)

  861.             {

  862.                 fluid_synth_program_select(fSynth, 9, fSynthId, 128, 0);

  863. #ifdef FLUIDSYNTH_VERSION_NEW_API

  864.                 fluid_synth_set_channel_type(fSynth, 9, CHANNEL_TYPE_DRUM);

  865. #endif

  866.             }

  867.             else

  868.             {

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

  870. #ifdef FLUIDSYNTH_VERSION_NEW_API

  871.                 fluid_synth_set_channel_type(fSynth, 9, CHANNEL_TYPE_MELODIC);

  872. #endif

  873.             }

  874. 

  875.             setMidiProgram(0, false, false, false);

  876.         }

  877.         else

  878.         {

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

  880.         }

  881.     }

  882. 

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

  884.     // Plugin processing

  885. 

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

  887.     {

  888.         uint32_t i, k;

  889. 

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

  891.         // Check if active

  892. 

  893.         if (! kData->active)

  894.         {

  895.             // disable any output sound

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

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

  898. 

  899.             return;

  900.         }

  901. 

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

  903.         // Check if needs reset

  904. 

  905.         if (kData->needsReset)

  906.         {

  907.             // TODO

  908.             if (fOptions & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  909.             {

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

  911.                 {

  912. #ifdef FLUIDSYNTH_VERSION_NEW_API

  913.                     fluid_synth_all_notes_off(fSynth, c);

  914.                     fluid_synth_all_sounds_off(fSynth, c);

  915. #else

  916.                     fluid_synth_cc(f_synth, c, MIDI_CONTROL_ALL_SOUND_OFF, 0);

  917.                     fluid_synth_cc(f_synth, c, MIDI_CONTROL_ALL_NOTES_OFF, 0);

  918. #endif

  919.                 }

  920.             }

  921.             else

  922.             {

  923.             }

  924. 

  925.             kData->needsReset = false;

  926.         }

  927. 

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

  929.         // Event Input and Processing

  930. 

  931.         {

  932.             // ----------------------------------------------------------------------------------------------------

  933.             // MIDI Input (External)

  934. 

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

  936.             {

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

  938.                 {

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

  940. 

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

  942. 

  943.                     if (note.velo > 0)

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

  945.                     else

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

  947.                 }

  948. 

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

  950. 

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

  952. 

  953.             // ----------------------------------------------------------------------------------------------------

  954.             // Event Input (System)

  955. 

  956.             bool allNotesOffSent = false;

  957. 

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

  959.             uint32_t timeOffset = 0;

  960. 

  961.             uint32_t nextBankIds[16] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 0, 0, 0, 0, 0, 0 };

  962. 

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

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

  965. 

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

  967.             {

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

  969. 

  970.                 time = event.time;

  971. 

  972.                 if (time >= frames)

  973.                     continue;

  974. 

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

  976. 

  977.                 if (time > timeOffset)

  978.                 {

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

  980.                     {

  981.                         timeOffset = time;

  982. 

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

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

  985.                     }

  986.                 }

  987. 

  988.                 // Control change

  989.                 switch (event.type)

  990.                 {

  991.                 case kEngineEventTypeNull:

  992.                     break;

  993. 

  994.                 case kEngineEventTypeControl:

  995.                 {

  996.                     const EngineControlEvent& ctrlEvent = event.ctrl;

  997. 

  998.                     switch (ctrlEvent.type)

  999.                     {

  1000.                     case kEngineControlEventTypeNull:

  1001.                         break;

  1002. 

  1003.                     case kEngineControlEventTypeParameter:

  1004.                     {

  1005.                         // Control backend stuff

  1006.                         if (event.channel == kData->ctrlChannel)

  1007.                         {

  1008.                             float value;

  1009. 

  1010.                             if (MIDI_IS_CONTROL_BREATH_CONTROLLER(ctrlEvent.param) && (fHints & PLUGIN_CAN_DRYWET) > 0)

  1011.                             {

  1012.                                 value = ctrlEvent.value;

  1013.                                 setDryWet(value, false, false);

  1014.                                 postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_DRYWET, 0, value);

  1015.                                 continue;

  1016.                             }

  1017. 

  1018.                             if (MIDI_IS_CONTROL_CHANNEL_VOLUME(ctrlEvent.param) && (fHints & PLUGIN_CAN_VOLUME) > 0)

  1019.                             {

  1020.                                 value = ctrlEvent.value*127.0f/100.0f;

  1021.                                 setVolume(value, false, false);

  1022.                                 postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_VOLUME, 0, value);

  1023.                                 continue;

  1024.                             }

  1025. 

  1026.                             if (MIDI_IS_CONTROL_BALANCE(ctrlEvent.param) && (fHints & PLUGIN_CAN_BALANCE) > 0)

  1027.                             {

  1028.                                 float left, right;

  1029.                                 value = ctrlEvent.value/0.5f - 1.0f;

  1030. 

  1031.                                 if (value < 0.0f)

  1032.                                 {

  1033.                                     left  = -1.0f;

  1034.                                     right = (value*2.0f)+1.0f;

  1035.                                 }

  1036.                                 else if (value > 0.0f)

  1037.                                 {

  1038.                                     left  = (value*2.0f)-1.0f;

  1039.                                     right = 1.0f;

  1040.                                 }

  1041.                                 else

  1042.                                 {

  1043.                                     left  = -1.0f;

  1044.                                     right = 1.0f;

  1045.                                 }

  1046. 

  1047.                                 setBalanceLeft(left, false, false);

  1048.                                 setBalanceRight(right, false, false);

  1049.                                 postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_LEFT, 0, left);

  1050.                                 postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_RIGHT, 0, right);

  1051.                                 continue;

  1052.                             }

  1053.                         }

  1054. 

  1055.                         // Control plugin parameters

  1056.                         for (k=0; k < kData->param.count; ++k)

  1057.                         {

  1058.                             if (kData->param.data[k].midiChannel != event.channel)

  1059.                                 continue;

  1060.                             if (kData->param.data[k].midiCC != ctrlEvent.param)

  1061.                                 continue;

  1062.                             if (kData->param.data[k].type != PARAMETER_INPUT)

  1063.                                 continue;

  1064.                             if ((kData->param.data[k].hints & PARAMETER_IS_AUTOMABLE) == 0)

  1065.                                 continue;

  1066. 

  1067.                             float value;

  1068. 

  1069.                             if (kData->param.data[k].hints & PARAMETER_IS_BOOLEAN)

  1070.                             {

  1071.                                 value = (ctrlEvent.value < 0.5f) ? kData->param.ranges[k].min : kData->param.ranges[k].max;

  1072.                             }

  1073.                             else

  1074.                             {

  1075.                                 value = kData->param.ranges[i].unnormalizeValue(ctrlEvent.value);

  1076. 

  1077.                                 if (kData->param.data[k].hints & PARAMETER_IS_INTEGER)

  1078.                                     value = std::rint(value);

  1079.                             }

  1080. 

  1081.                             setParameterValue(k, value, false, false, false);

  1082.                             postponeRtEvent(kPluginPostRtEventParameterChange, static_cast<int32_t>(k), 0, value);

  1083.                         }

  1084. 

  1085.                         break;

  1086.                     }

  1087. 

  1088.                     case kEngineControlEventTypeMidiBank:

  1089.                         if (event.channel < 16 && (fOptions & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1090.                             nextBankIds[event.channel] = ctrlEvent.param;

  1091.                         break;

  1092. 

  1093.                     case kEngineControlEventTypeMidiProgram:

  1094.                         if (event.channel < 16 && (fOptions & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1095.                         {

  1096.                             const uint32_t bankId = nextBankIds[event.channel];

  1097.                             const uint32_t progId = ctrlEvent.param;

  1098. 

  1099.                             for (k=0; k < kData->midiprog.count; ++k)

  1100.                             {

  1101.                                 if (kData->midiprog.data[k].bank == bankId && kData->midiprog.data[k].program == progId)

  1102.                                 {

  1103.                                     if (event.channel == kData->ctrlChannel)

  1104.                                     {

  1105.                                         setMidiProgram(k, false, false, false);

  1106.                                         postponeRtEvent(kPluginPostRtEventMidiProgramChange, k, 0, 0.0f);

  1107.                                     }

  1108.                                     else

  1109.                                         fluid_synth_program_select(fSynth, event.channel, fSynthId, bankId, progId);

  1110. 

  1111.                                     break;

  1112.                                 }

  1113.                             }

  1114.                         }

  1115.                         break;

  1116. 

  1117.                     case kEngineControlEventTypeAllSoundOff:

  1118.                         if (event.channel == kData->ctrlChannel)

  1119.                         {

  1120.                             if (! allNotesOffSent)

  1121.                             {

  1122.                                 sendMidiAllNotesOff();

  1123.                                 allNotesOffSent = true;

  1124.                             }

  1125. 

  1126.                             postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_ACTIVE, 0, 0.0f);

  1127.                             postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_ACTIVE, 0, 1.0f);

  1128. 

  1129.                             if (fOptions & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1130.                             {

  1131. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1132.                                 fluid_synth_all_sounds_off(fSynth, event.channel);

  1133. #else

  1134.                                 fluid_synth_cc(f_synth, event.channel, MIDI_CONTROL_ALL_SOUND_OFF, 0);

  1135. #endif

  1136.                             }

  1137.                         }

  1138.                         break;

  1139. 

  1140.                     case kEngineControlEventTypeAllNotesOff:

  1141.                         if (event.channel == kData->ctrlChannel)

  1142.                         {

  1143.                             if (! allNotesOffSent)

  1144.                             {

  1145.                                 sendMidiAllNotesOff();

  1146.                                 allNotesOffSent = true;

  1147.                             }

  1148. 

  1149.                             if (fOptions & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1150.                             {

  1151. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1152.                                 fluid_synth_all_notes_off(fSynth, event.channel);

  1153. #else

  1154.                                 fluid_synth_cc(f_synth, event.channel, MIDI_CONTROL_ALL_NOTES_OFF, 0);

  1155. #endif

  1156.                             }

  1157.                         }

  1158.                         break;

  1159.                     }

  1160. 

  1161.                     break;

  1162.                 }

  1163. 

  1164.                 case kEngineEventTypeMidi:

  1165.                 {

  1166.                     const EngineMidiEvent& midiEvent = event.midi;

  1167. 

  1168.                     uint8_t status  = MIDI_GET_STATUS_FROM_DATA(midiEvent.data);

  1169.                     uint8_t channel = event.channel;

  1170. 

  1171.                     // Fix bad note-off

  1172.                     if (MIDI_IS_STATUS_NOTE_ON(status) && midiEvent.data[2] == 0)

  1173.                         status -= 0x10;

  1174. 

  1175.                     if (MIDI_IS_STATUS_NOTE_OFF(status))

  1176.                     {

  1177.                         const uint8_t note = midiEvent.data[1];

  1178. 

  1179.                         fluid_synth_noteoff(fSynth, channel, note);

  1180. 

  1181.                         postponeRtEvent(kPluginPostRtEventNoteOff, channel, note, 0.0f);

  1182.                     }

  1183.                     else if (MIDI_IS_STATUS_NOTE_ON(status))

  1184.                     {

  1185.                         const uint8_t note = midiEvent.data[1];

  1186.                         const uint8_t velo = midiEvent.data[2];

  1187. 

  1188.                         fluid_synth_noteon(fSynth, channel, note, velo);

  1189. 

  1190.                         postponeRtEvent(kPluginPostRtEventNoteOn, channel, note, velo);

  1191.                     }

  1192.                     else if (MIDI_IS_STATUS_POLYPHONIC_AFTERTOUCH(status) && (fOptions & PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH) != 0)

  1193.                     {

  1194.                         //const uint8_t note     = midiEvent.data[1];

  1195.                         //const uint8_t pressure = midiEvent.data[2];

  1196. 

  1197.                         // TODO, not in fluidsynth API

  1198.                     }

  1199.                     else if (MIDI_IS_STATUS_CONTROL_CHANGE(status) && (fOptions & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0)

  1200.                     {

  1201.                         const uint8_t control = midiEvent.data[1];

  1202.                         const uint8_t value   = midiEvent.data[2];

  1203. 

  1204.                         fluid_synth_cc(fSynth, channel, control, value);

  1205.                     }

  1206.                     else if (MIDI_IS_STATUS_AFTERTOUCH(status) && (fOptions & PLUGIN_OPTION_SEND_CHANNEL_PRESSURE) != 0)

  1207.                     {

  1208.                         const uint8_t pressure = midiEvent.data[1];

  1209. 

  1210.                         fluid_synth_channel_pressure(fSynth, channel, pressure);;

  1211.                     }

  1212.                     else if (MIDI_IS_STATUS_PITCH_WHEEL_CONTROL(status) && (fOptions & PLUGIN_OPTION_SEND_PITCHBEND) != 0)

  1213.                     {

  1214.                         const uint8_t lsb = midiEvent.data[1];

  1215.                         const uint8_t msb = midiEvent.data[2];

  1216. 

  1217.                         fluid_synth_pitch_bend(fSynth, channel, (msb << 7) | lsb);

  1218.                     }

  1219. 

  1220.                     break;

  1221.                 }

  1222.                 }

  1223.             }

  1224. 

  1225.             kData->postRtEvents.trySplice();

  1226. 

  1227.             if (frames > timeOffset)

  1228.                 processSingle(outBuffer, frames - timeOffset, timeOffset);

  1229. 

  1230.         } // End of Event Input and Processing

  1231. 

  1232.         CARLA_PROCESS_CONTINUE_CHECK;

  1233. 

  1234.         // --------------------------------------------------------------------------------------------------------

  1235.         // Control Output

  1236. 

  1237.         {

  1238.             k = FluidSynthVoiceCount;

  1239.             fParamBuffers[k] = fluid_synth_get_active_voice_count(fSynth);

  1240.             kData->param.ranges[k].fixValue(fParamBuffers[k]);

  1241. 

  1242.             if (kData->param.data[k].midiCC > 0)

  1243.             {

  1244.                 double value = kData->param.ranges[k].normalizeValue(fParamBuffers[k]);

  1245.                 kData->event.portOut->writeControlEvent(0, kData->param.data[k].midiChannel, kEngineControlEventTypeParameter, kData->param.data[k].midiCC, value);

  1246.             }

  1247. 

  1248.         } // End of Control Output

  1249.     }

  1250. 

  1251.     bool processSingle(float** const outBuffer, const uint32_t frames, const uint32_t timeOffset)

  1252.     {

  1253.         CARLA_ASSERT(outBuffer != nullptr);

  1254.         CARLA_ASSERT(frames > 0);

  1255. 

  1256.         if (outBuffer == nullptr)

  1257.             return false;

  1258.         if (frames == 0)

  1259.             return false;

  1260. 

  1261.         uint32_t i, k;

  1262. 

  1263.         // --------------------------------------------------------------------------------------------------------

  1264.         // Try lock, silence otherwise

  1265. 

  1266.         if (kData->engine->isOffline())

  1267.         {

  1268.             kData->singleMutex.lock();

  1269.         }

  1270.         else if (! kData->singleMutex.tryLock())

  1271.         {

  1272.             for (i=0; i < kData->audioOut.count; ++i)

  1273.             {

  1274.                 for (k=0; k < frames; ++k)

  1275.                     outBuffer[i][k+timeOffset] = 0.0f;

  1276.             }

  1277. 

  1278.             return false;

  1279.         }

  1280. 

  1281.         // --------------------------------------------------------------------------------------------------------

  1282.         // Fill plugin buffers and Run plugin

  1283. 

  1284.         if (kUses16Outs)

  1285.         {

  1286.             for (i=0; i < kData->audioOut.count; ++i)

  1287.                 carla_zeroFloat(fAudio16Buffers[i], frames);

  1288. 

  1289.             fluid_synth_process(fSynth, frames, 0, nullptr, kData->audioOut.count, fAudio16Buffers);

  1290.         }

  1291.         else

  1292.             fluid_synth_write_float(fSynth, frames, outBuffer[0] + timeOffset, 0, 1, outBuffer[1] + timeOffset, 0, 1);

  1293. 

  1294.         // --------------------------------------------------------------------------------------------------------

  1295.         // Post-processing (volume and balance)

  1296. 

  1297.         {

  1298.             // note - balance not possible with kUses16Outs, so we can safely skip fAudioOutBuffers

  1299.             const bool doVolume  = (fHints & PLUGIN_CAN_VOLUME) > 0 && kData->postProc.volume != 1.0f;

  1300.             const bool doBalance = (fHints & PLUGIN_CAN_BALANCE) > 0 && (kData->postProc.balanceLeft != -1.0f || kData->postProc.balanceRight != 1.0f);

  1301. 

  1302.             float oldBufLeft[doBalance ? frames : 1];

  1303. 

  1304.             for (i=0; i < kData->audioOut.count; ++i)

  1305.             {

  1306.                 // Balance

  1307.                 if (doBalance)

  1308.                 {

  1309.                     if (i % 2 == 0)

  1310.                         carla_copyFloat(oldBufLeft, outBuffer[i]+timeOffset, frames);

  1311. 

  1312.                     float balRangeL = (kData->postProc.balanceLeft  + 1.0f)/2.0f;

  1313.                     float balRangeR = (kData->postProc.balanceRight + 1.0f)/2.0f;

  1314. 

  1315.                     for (k=0; k < frames; ++k)

  1316.                     {

  1317.                         if (i % 2 == 0)

  1318.                         {

  1319.                             // left

  1320.                             outBuffer[i][k+timeOffset]  = oldBufLeft[k]                * (1.0f - balRangeL);

  1321.                             outBuffer[i][k+timeOffset] += outBuffer[i+1][k+timeOffset] * (1.0f - balRangeR);

  1322.                         }

  1323.                         else

  1324.                         {

  1325.                             // right

  1326.                             outBuffer[i][k+timeOffset]  = outBuffer[i][k+timeOffset] * balRangeR;

  1327.                             outBuffer[i][k+timeOffset] += oldBufLeft[k]              * balRangeL;

  1328.                         }

  1329.                     }

  1330.                 }

  1331. 

  1332.                 // Volume

  1333.                 if (kUses16Outs)

  1334.                 {

  1335.                     for (k=0; k < frames; ++k)

  1336.                         outBuffer[i][k+timeOffset] = fAudio16Buffers[i][k] * kData->postProc.volume;

  1337.                 }

  1338.                 else if (doVolume)

  1339.                 {

  1340.                     for (k=0; k < frames; ++k)

  1341.                         outBuffer[i][k+timeOffset] *= kData->postProc.volume;

  1342.                 }

  1343.             }

  1344. 

  1345.         } // End of Post-processing

  1346. 

  1347.         // --------------------------------------------------------------------------------------------------------

  1348. 

  1349.         kData->singleMutex.unlock();

  1350.         return true;

  1351.     }

  1352. 

  1353.     void bufferSizeChanged(const uint32_t newBufferSize) override

  1354.     {

  1355.         if (! kUses16Outs)

  1356.             return;

  1357. 

  1358.         for (uint32_t i=0; i < kData->audioOut.count; ++i)

  1359.         {

  1360.             if (fAudio16Buffers[i] != nullptr)

  1361.                 delete[] fAudio16Buffers[i];

  1362.             fAudio16Buffers[i] = new float[newBufferSize];

  1363.         }

  1364.     }

  1365. 

  1366.     // -------------------------------------------------------------------

  1367.     // Plugin buffers

  1368. 

  1369.     void clearBuffers() override

  1370.     {

  1371.         carla_debug("FluidSynthPlugin::clearBuffers() - start");

  1372. 

  1373.         if (fAudio16Buffers != nullptr)

  1374.         {

  1375.             for (uint32_t i=0; i < kData->audioOut.count; ++i)

  1376.             {

  1377.                 if (fAudio16Buffers[i] != nullptr)

  1378.                 {

  1379.                     delete[] fAudio16Buffers[i];

  1380.                     fAudio16Buffers[i] = nullptr;

  1381.                 }

  1382.             }

  1383. 

  1384.             delete[] fAudio16Buffers;

  1385.             fAudio16Buffers = nullptr;

  1386.         }

  1387. 

  1388.         CarlaPlugin::clearBuffers();

  1389. 

  1390.         carla_debug("FluidSynthPlugin::clearBuffers() - end");

  1391.     }

  1392. 

  1393.     // -------------------------------------------------------------------

  1394. 

  1395.     const void* getExtraStuff() override

  1396.     {

  1397.         return kUses16Outs ? (const void*)0x1 : nullptr;

  1398.     }

  1399. 

  1400.     bool init(const char* const filename, const char* const name, const char* const label)

  1401.     {

  1402.         CARLA_ASSERT(fSynth != nullptr);

  1403.         CARLA_ASSERT(filename != nullptr);

  1404.         CARLA_ASSERT(label != nullptr);

  1405. 

  1406.         // ---------------------------------------------------------------

  1407.         // first checks

  1408. 

  1409.         if (kData->engine == nullptr)

  1410.         {

  1411.             return false;

  1412.         }

  1413. 

  1414.         if (kData->client != nullptr)

  1415.         {

  1416.             kData->engine->setLastError("Plugin client is already registered");

  1417.             return false;

  1418.         }

  1419. 

  1420.         if (fSynth == nullptr)

  1421.         {

  1422.             kData->engine->setLastError("null synth");

  1423.             return false;

  1424.         }

  1425. 

  1426.         if (filename == nullptr)

  1427.         {

  1428.             kData->engine->setLastError("null filename");

  1429.             return false;

  1430.         }

  1431. 

  1432.         if (label == nullptr)

  1433.         {

  1434.             kData->engine->setLastError("null label");

  1435.             return false;

  1436.         }

  1437. 

  1438.         // ---------------------------------------------------------------

  1439.         // open soundfont

  1440. 

  1441.         fSynthId = fluid_synth_sfload(fSynth, filename, 0);

  1442. 

  1443.         if (fSynthId < 0)

  1444.         {

  1445.             kData->engine->setLastError("Failed to load SoundFont file");

  1446.             return false;

  1447.         }

  1448. 

  1449.         // ---------------------------------------------------------------

  1450.         // get info

  1451. 

  1452.         fFilename = filename;

  1453.         fLabel    = label;

  1454. 

  1455.         if (name != nullptr)

  1456.             fName = kData->engine->getUniquePluginName(name);

  1457.         else

  1458.             fName = kData->engine->getUniquePluginName(label);

  1459. 

  1460.         // ---------------------------------------------------------------

  1461.         // register client

  1462. 

  1463.         kData->client = kData->engine->addClient(this);

  1464. 

  1465.         if (kData->client == nullptr || ! kData->client->isOk())

  1466.         {

  1467.             kData->engine->setLastError("Failed to register plugin client");

  1468.             return false;

  1469.         }

  1470. 

  1471.         // ---------------------------------------------------------------

  1472.         // load plugin settings

  1473. 

  1474.         {

  1475.             // set default options

  1476.             fOptions = 0x0;

  1477. 

  1478.             fOptions |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  1479.             fOptions |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  1480.             fOptions |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  1481.             fOptions |= PLUGIN_OPTION_SEND_PITCHBEND;

  1482.             fOptions |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  1483. 

  1484.             // load settings

  1485.             kData->idStr  = "SF2/";

  1486.             kData->idStr += label;

  1487.             fOptions = kData->loadSettings(fOptions, availableOptions());

  1488.         }

  1489. 

  1490.         return true;

  1491.     }

  1492. 

  1493. private:

  1494.     enum FluidSynthInputParameters {

  1495.         FluidSynthReverbOnOff    = 0,

  1496.         FluidSynthReverbRoomSize = 1,

  1497.         FluidSynthReverbDamp     = 2,

  1498.         FluidSynthReverbLevel    = 3,

  1499.         FluidSynthReverbWidth    = 4,

  1500.         FluidSynthChorusOnOff    = 5,

  1501.         FluidSynthChorusNr       = 6,

  1502.         FluidSynthChorusLevel    = 7,

  1503.         FluidSynthChorusSpeedHz  = 8,

  1504.         FluidSynthChorusDepthMs  = 9,

  1505.         FluidSynthChorusType     = 10,

  1506.         FluidSynthPolyphony      = 11,

  1507.         FluidSynthInterpolation  = 12,

  1508.         FluidSynthVoiceCount     = 13,

  1509.         FluidSynthParametersMax  = 14

  1510.     };

  1511. 

  1512.     const bool kUses16Outs;

  1513. 

  1514.     CarlaString fLabel;

  1515. 

  1516.     fluid_settings_t* fSettings;

  1517.     fluid_synth_t* fSynth;

  1518.     int fSynthId;

  1519. 

  1520.     float** fAudio16Buffers;

  1521.     float   fParamBuffers[FluidSynthParametersMax];

  1522. 

  1523.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(FluidSynthPlugin)

  1524. };

  1525. 

  1526. CARLA_BACKEND_END_NAMESPACE

  1527. 

  1528. #else // WANT_FLUIDSYNTH

  1529. # warning fluidsynth not available (no SF2 support)

  1530. #endif

  1531. 

  1532. CARLA_BACKEND_START_NAMESPACE

  1533. 

  1534. CarlaPlugin* CarlaPlugin::newSF2(const Initializer& init, const bool use16Outs)

  1535. {

  1536.     carla_debug("CarlaPlugin::newSF2({%p, \"%s\", \"%s\", \"%s\"}, %s)", init.engine, init.filename, init.name, init.label, bool2str(use16Outs));

  1537. 

  1538. #ifdef WANT_FLUIDSYNTH

  1539.     if (! fluid_is_soundfont(init.filename))

  1540.     {

  1541.         init.engine->setLastError("Requested file is not a valid SoundFont");

  1542.         return nullptr;

  1543.     }

  1544. 

  1545.     if (init.engine->getProccessMode() == PROCESS_MODE_CONTINUOUS_RACK && use16Outs)

  1546.     {

  1547.         init.engine->setLastError("Carla's rack mode can only work with Stereo modules, please choose the 2-channel only SoundFont version");

  1548.         return nullptr;

  1549.     }

  1550. 

  1551.     FluidSynthPlugin* const plugin(new FluidSynthPlugin(init.engine, init.id,  use16Outs));

  1552. 

  1553.     if (! plugin->init(init.filename, init.name, init.label))

  1554.     {

  1555.         delete plugin;

  1556.         return nullptr;

  1557.     }

  1558. 

  1559.     plugin->reload();

  1560. 

  1561.     return plugin;

  1562. #else

  1563.     init.engine->setLastError("fluidsynth support not available");

  1564.     return nullptr;

  1565. 

  1566.     // unused

  1567.     (void)use16Outs;

  1568. #endif

  1569. }

  1570. 

  1571. CARLA_BACKEND_END_NAMESPACE