falkTX
/
Cadence
mirror of https://github.com/falkTX/Cadence
1
0
Fork 0
Code Releases 3 Activity
Collection of tools useful for audio production
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.
500 Commits
2 Branches
20MB
Tree: b43a97817f
Branches Tags
${ item.name }
Create branch ${ searchTerm }
from 'b43a97817f'
${ noResults }
Cadence/c++/carla-backend/fluidsynth.cpp

1364 lines
45KB
Raw Blame History 

  1. /*

  2.  * Carla Backend

  3.  * Copyright (C) 2011-2012 Filipe Coelho <falktx@falktx.com>

  4.  *

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

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

  7.  * the Free Software Foundation; either version 2 of the License, or

  8.  * 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 COPYING file

  16.  */

  17. 

  18. #ifdef BUILD_BRIDGE

  19. #  error Should not use fluidsynth for bridges!

  20. #endif

  21. 

  22. #include "carla_plugin.h"

  23. 

  24. #ifdef WANT_FLUIDSYNTH

  25. 

  26. #include "carla_fluidsynth.h"

  27. 

  28. CARLA_BACKEND_START_NAMESPACE

  29. 

  30. 

  31. /*!

  32.  * @defgroup CarlaBackendFluidSynthPlugin Carla Backend FluidSynth Plugin

  33.  *

  34.  * The Carla Backend FluidSynth Plugin.\n

  35.  * http://www.fluidsynth.org/

  36.  * @{

  37.  */

  38. 

  39. class FluidSynthPlugin : public CarlaPlugin

  40. {

  41. public:

  42.     FluidSynthPlugin(CarlaEngine* const engine, unsigned short id) : CarlaPlugin(engine, id)

  43.     {

  44.         qDebug("FluidSynthPlugin::FluidSynthPlugin()");

  45. 

  46.         m_type  = PLUGIN_SF2;

  47.         m_label = nullptr;

  48. 

  49.         // create settings

  50.         f_settings = new_fluid_settings();

  51. 

  52.         // define settings

  53.         fluid_settings_setnum(f_settings, "synth.sample-rate", x_engine->getSampleRate());

  54.         fluid_settings_setint(f_settings, "synth.threadsafe-api ", 0);

  55. 

  56.         // create synth

  57.         f_synth = new_fluid_synth(f_settings);

  58. 

  59. #ifdef FLUIDSYNTH_VERSION_NEW_API

  60.         fluid_synth_set_sample_rate(f_synth, x_engine->getSampleRate());

  61. #endif

  62. 

  63.         // set default values

  64.         fluid_synth_set_reverb_on(f_synth, 0);

  65.         fluid_synth_set_reverb(f_synth, FLUID_REVERB_DEFAULT_ROOMSIZE, FLUID_REVERB_DEFAULT_DAMP, FLUID_REVERB_DEFAULT_WIDTH, FLUID_REVERB_DEFAULT_LEVEL);

  66. 

  67.         fluid_synth_set_chorus_on(f_synth, 0);

  68.         fluid_synth_set_chorus(f_synth, FLUID_CHORUS_DEFAULT_N, FLUID_CHORUS_DEFAULT_LEVEL, FLUID_CHORUS_DEFAULT_SPEED, FLUID_CHORUS_DEFAULT_DEPTH, FLUID_CHORUS_DEFAULT_TYPE);

  69. 

  70.         fluid_synth_set_polyphony(f_synth, 64);

  71. 

  72.         for (int i=0; i < 16; i++)

  73.             fluid_synth_set_interp_method(f_synth, i, FLUID_INTERP_DEFAULT);

  74.     }

  75. 

  76.     ~FluidSynthPlugin()

  77.     {

  78.         qDebug("FluidSynthPlugin::~FluidSynthPlugin()");

  79. 

  80.         if (m_label)

  81.             free((void*)m_label);

  82. 

  83.         delete_fluid_synth(f_synth);

  84.         delete_fluid_settings(f_settings);

  85.     }

  86. 

  87.     // -------------------------------------------------------------------

  88.     // Information (base)

  89. 

  90.     PluginCategory category()

  91.     {

  92.         return PLUGIN_CATEGORY_SYNTH;

  93.     }

  94. 

  95.     // -------------------------------------------------------------------

  96.     // Information (count)

  97. 

  98.     uint32_t parameterScalePointCount(const uint32_t parameterId)

  99.     {

  100.         Q_ASSERT(parameterId < param.count);

  101. 

  102.         switch (parameterId)

  103.         {

  104.         case FluidSynthChorusType:

  105.             return 2;

  106.         case FluidSynthInterpolation:

  107.             return 4;

  108.         default:

  109.             return 0;

  110.         }

  111.     }

  112. 

  113.     // -------------------------------------------------------------------

  114.     // Information (per-plugin data)

  115. 

  116.     double getParameterValue(const uint32_t parameterId)

  117.     {

  118.         Q_ASSERT(parameterId < param.count);

  119. 

  120.         return paramBuffers[parameterId];

  121.     }

  122. 

  123.     double getParameterScalePointValue(const uint32_t parameterId, const uint32_t scalePointId)

  124.     {

  125.         Q_ASSERT(parameterId < param.count);

  126.         Q_ASSERT(scalePointId < parameterScalePointCount(parameterId));

  127. 

  128.         switch (parameterId)

  129.         {

  130.         case FluidSynthChorusType:

  131.             switch (scalePointId)

  132.             {

  133.             case 0:

  134.                 return FLUID_CHORUS_MOD_SINE;

  135.             case 1:

  136.                 return FLUID_CHORUS_MOD_TRIANGLE;

  137.             default:

  138.                 return FLUID_CHORUS_DEFAULT_TYPE;

  139.             }

  140.         case FluidSynthInterpolation:

  141.             switch (scalePointId)

  142.             {

  143.             case 0:

  144.                 return FLUID_INTERP_NONE;

  145.             case 1:

  146.                 return FLUID_INTERP_LINEAR;

  147.             case 2:

  148.                 return FLUID_INTERP_4THORDER;

  149.             case 3:

  150.                 return FLUID_INTERP_7THORDER;

  151.             default:

  152.                 return FLUID_INTERP_DEFAULT;

  153.             }

  154.         default:

  155.             return 0.0;

  156.         }

  157.     }

  158. 

  159.     void getLabel(char* const strBuf)

  160.     {

  161.         if (m_label)

  162.             strncpy(strBuf, m_label, STR_MAX);

  163.         else

  164.             CarlaPlugin::getLabel(strBuf);

  165.     }

  166. 

  167.     void getMaker(char* const strBuf)

  168.     {

  169.         strncpy(strBuf, "FluidSynth SF2 engine", STR_MAX);

  170.     }

  171. 

  172.     void getCopyright(char* const strBuf)

  173.     {

  174.         strncpy(strBuf, "GNU GPL v2+", STR_MAX);

  175.     }

  176. 

  177.     void getRealName(char* const strBuf)

  178.     {

  179.         getLabel(strBuf);

  180.     }

  181. 

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

  183.     {

  184.         Q_ASSERT(parameterId < param.count);

  185. 

  186.         switch (parameterId)

  187.         {

  188.         case FluidSynthReverbOnOff:

  189.             strncpy(strBuf, "Reverb On/Off", STR_MAX);

  190.             break;

  191.         case FluidSynthReverbRoomSize:

  192.             strncpy(strBuf, "Reverb Room Size", STR_MAX);

  193.             break;

  194.         case FluidSynthReverbDamp:

  195.             strncpy(strBuf, "Reverb Damp", STR_MAX);

  196.             break;

  197.         case FluidSynthReverbLevel:

  198.             strncpy(strBuf, "Reverb Level", STR_MAX);

  199.             break;

  200.         case FluidSynthReverbWidth:

  201.             strncpy(strBuf, "Reverb Width", STR_MAX);

  202.             break;

  203.         case FluidSynthChorusOnOff:

  204.             strncpy(strBuf, "Chorus On/Off", STR_MAX);

  205.             break;

  206.         case FluidSynthChorusNr:

  207.             strncpy(strBuf, "Chorus Voice Count", STR_MAX);

  208.             break;

  209.         case FluidSynthChorusLevel:

  210.             strncpy(strBuf, "Chorus Level", STR_MAX);

  211.             break;

  212.         case FluidSynthChorusSpeedHz:

  213.             strncpy(strBuf, "Chorus Speed", STR_MAX);

  214.             break;

  215.         case FluidSynthChorusDepthMs:

  216.             strncpy(strBuf, "Chorus Depth", STR_MAX);

  217.             break;

  218.         case FluidSynthChorusType:

  219.             strncpy(strBuf, "Chorus Type", STR_MAX);

  220.             break;

  221.         case FluidSynthPolyphony:

  222.             strncpy(strBuf, "Polyphony", STR_MAX);

  223.             break;

  224.         case FluidSynthInterpolation:

  225.             strncpy(strBuf, "Interpolation", STR_MAX);

  226.             break;

  227.         case FluidSynthVoiceCount:

  228.             strncpy(strBuf, "Voice Count", STR_MAX);

  229.             break;

  230.         default:

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

  232.             break;

  233.         }

  234.     }

  235. 

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

  237.     {

  238.         Q_ASSERT(parameterId < param.count);

  239. 

  240.         switch (parameterId)

  241.         {

  242.         case FluidSynthChorusSpeedHz:

  243.             strncpy(strBuf, "Hz", STR_MAX);

  244.             break;

  245.         case FluidSynthChorusDepthMs:

  246.             strncpy(strBuf, "ms", STR_MAX);

  247.             break;

  248.         default:

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

  250.             break;

  251.         }

  252.     }

  253. 

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

  255.     {

  256.         Q_ASSERT(parameterId < param.count);

  257.         Q_ASSERT(scalePointId < parameterScalePointCount(parameterId));

  258. 

  259.         switch (parameterId)

  260.         {

  261.         case FluidSynthChorusType:

  262.             switch (scalePointId)

  263.             {

  264.             case 0:

  265.                 strncpy(strBuf, "Sine wave", STR_MAX);

  266.                 return;

  267.             case 1:

  268.                 strncpy(strBuf, "Triangle wave", STR_MAX);

  269.                 return;

  270.             }

  271.         case FluidSynthInterpolation:

  272.             switch (scalePointId)

  273.             {

  274.             case 0:

  275.                 strncpy(strBuf, "None", STR_MAX);

  276.                 return;

  277.             case 1:

  278.                 strncpy(strBuf, "Straight-line", STR_MAX);

  279.                 return;

  280.             case 2:

  281.                 strncpy(strBuf, "Fourth-order", STR_MAX);

  282.                 return;

  283.             case 3:

  284.                 strncpy(strBuf, "Seventh-order", STR_MAX);

  285.                 return;

  286.             }

  287.         }

  288. 

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

  290.     }

  291. 

  292.     // -------------------------------------------------------------------

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

  294. 

  295.     void setParameterValue(const uint32_t parameterId, double value, const bool sendGui, const bool sendOsc, const bool sendCallback)

  296.     {

  297.         Q_ASSERT(parameterId < param.count);

  298.         paramBuffers[parameterId] = fixParameterValue(value, param.ranges[parameterId]);

  299. 

  300.         switch (parameterId)

  301.         {

  302.         case FluidSynthReverbOnOff:

  303.             value = value > 0.5 ? 1 : 0;

  304.             fluid_synth_set_reverb_on(f_synth, value);

  305.             break;

  306. 

  307.         case FluidSynthReverbRoomSize:

  308.         case FluidSynthReverbDamp:

  309.         case FluidSynthReverbLevel:

  310.         case FluidSynthReverbWidth:

  311.             fluid_synth_set_reverb(f_synth, paramBuffers[FluidSynthReverbRoomSize], paramBuffers[FluidSynthReverbDamp], paramBuffers[FluidSynthReverbWidth], paramBuffers[FluidSynthReverbLevel]);

  312.             break;

  313. 

  314.         case FluidSynthChorusOnOff:

  315.         {

  316.             const ScopedDisabler m(this, ! x_engine->isOffline());

  317.             value = value > 0.5 ? 1 : 0;

  318.             fluid_synth_set_chorus_on(f_synth, value);

  319.             break;

  320.         }

  321. 

  322.         case FluidSynthChorusNr:

  323.         case FluidSynthChorusLevel:

  324.         case FluidSynthChorusSpeedHz:

  325.         case FluidSynthChorusDepthMs:

  326.         case FluidSynthChorusType:

  327.         {

  328.             const ScopedDisabler m(this, ! x_engine->isOffline());

  329.             fluid_synth_set_chorus(f_synth, rint(paramBuffers[FluidSynthChorusNr]), paramBuffers[FluidSynthChorusLevel], paramBuffers[FluidSynthChorusSpeedHz], paramBuffers[FluidSynthChorusDepthMs], rint(paramBuffers[FluidSynthChorusType]));

  330.             break;

  331.         }

  332. 

  333.         case FluidSynthPolyphony:

  334.         {

  335.             const ScopedDisabler m(this, ! x_engine->isOffline());

  336.             fluid_synth_set_polyphony(f_synth, rint(value));

  337.             break;

  338.         }

  339. 

  340.         case FluidSynthInterpolation:

  341.         {

  342.             const ScopedDisabler m(this, ! x_engine->isOffline());

  343.             for (int i=0; i < 16; i++)

  344.                 fluid_synth_set_interp_method(f_synth, i, rint(value));

  345.             break;

  346.         }

  347. 

  348.         default:

  349.             break;

  350.         }

  351. 

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

  353.     }

  354. 

  355.     void setMidiProgram(int32_t index, const bool sendGui, const bool sendOsc, const bool sendCallback, const bool block)

  356.     {

  357.         Q_ASSERT(index >= -1 && index < (int32_t)midiprog.count);

  358. 

  359.         if (index < -1)

  360.             index = -1;

  361.         else if (index > (int32_t)midiprog.count)

  362.             return;

  363. 

  364.         if (m_ctrlInChannel < 0 || m_ctrlInChannel > 15)

  365.             return;

  366. 

  367.         if (index >= 0)

  368.         {

  369.             if (x_engine->isOffline())

  370.             {

  371.                 const CarlaEngine::ScopedLocker m(x_engine, block);

  372.                 fluid_synth_program_select(f_synth, m_ctrlInChannel, f_id, midiprog.data[index].bank, midiprog.data[index].program);

  373.             }

  374.             else

  375.             {

  376.                 const ScopedDisabler m(this, block);

  377.                 fluid_synth_program_select(f_synth, m_ctrlInChannel, f_id, midiprog.data[index].bank, midiprog.data[index].program);

  378.             }

  379.         }

  380. 

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

  382.     }

  383. 

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

  385.     // Plugin state

  386. 

  387.     void reload()

  388.     {

  389.         qDebug("FluidSynthPlugin::reload() - start");

  390.         Q_ASSERT(f_synth);

  391. 

  392.         // Safely disable plugin for reload

  393.         const ScopedDisabler m(this);

  394. 

  395.         if (x_client->isActive())

  396.             x_client->deactivate();

  397. 

  398.         // Remove client ports

  399.         removeClientPorts();

  400. 

  401.         // Delete old data

  402.         deleteBuffers();

  403. 

  404.         uint32_t aOuts, params, j;

  405.         aOuts  = 2;

  406.         params = FluidSynthParametersMax;

  407. 

  408.         aOut.ports    = new CarlaEngineAudioPort*[aOuts];

  409.         aOut.rindexes = new uint32_t[aOuts];

  410. 

  411.         param.data    = new ParameterData[params];

  412.         param.ranges  = new ParameterRanges[params];

  413. 

  414.         const int portNameSize = CarlaEngine::maxPortNameSize() - 1;

  415.         char portName[portNameSize];

  416. 

  417.         // ---------------------------------------

  418.         // Audio Outputs

  419. 

  420. #ifndef BUILD_BRIDGE

  421.         if (carlaOptions.processMode != PROCESS_MODE_MULTIPLE_CLIENTS)

  422.         {

  423.             strcpy(portName, m_name);

  424.             strcat(portName, ":out-left");

  425.         }

  426.         else

  427. #endif

  428.             strcpy(portName, "out-left");

  429. 

  430.         aOut.ports[0]    = (CarlaEngineAudioPort*)x_client->addPort(CarlaEnginePortTypeAudio, portName, false);

  431.         aOut.rindexes[0] = 0;

  432. 

  433. #ifndef BUILD_BRIDGE

  434.         if (carlaOptions.processMode != PROCESS_MODE_MULTIPLE_CLIENTS)

  435.         {

  436.             strcpy(portName, m_name);

  437.             strcat(portName, ":out-right");

  438.         }

  439.         else

  440. #endif

  441.             strcpy(portName, "out-right");

  442. 

  443.         aOut.ports[1]    = (CarlaEngineAudioPort*)x_client->addPort(CarlaEnginePortTypeAudio, portName, false);

  444.         aOut.rindexes[1] = 1;

  445. 

  446.         // ---------------------------------------

  447.         // MIDI Input

  448. 

  449. #ifndef BUILD_BRIDGE

  450.         if (carlaOptions.processMode != PROCESS_MODE_MULTIPLE_CLIENTS)

  451.         {

  452.             strcpy(portName, m_name);

  453.             strcat(portName, ":midi-in");

  454.         }

  455.         else

  456. #endif

  457.             strcpy(portName, "midi-in");

  458. 

  459.         midi.portMin = (CarlaEngineMidiPort*)x_client->addPort(CarlaEnginePortTypeMIDI, portName, true);

  460. 

  461.         // ---------------------------------------

  462.         // Parameters

  463. 

  464. #ifndef BUILD_BRIDGE

  465.         if (carlaOptions.processMode != PROCESS_MODE_MULTIPLE_CLIENTS)

  466.         {

  467.             strcpy(portName, m_name);

  468.             strcat(portName, ":control-in");

  469.         }

  470.         else

  471. #endif

  472.             strcpy(portName, "control-in");

  473. 

  474.         param.portCin = (CarlaEngineControlPort*)x_client->addPort(CarlaEnginePortTypeControl, portName, true);

  475. 

  476. #ifndef BUILD_BRIDGE

  477.         if (carlaOptions.processMode != PROCESS_MODE_MULTIPLE_CLIENTS)

  478.         {

  479.             strcpy(portName, m_name);

  480.             strcat(portName, ":control-out");

  481.         }

  482.         else

  483. #endif

  484.             strcpy(portName, "control-out");

  485. 

  486.         param.portCout = (CarlaEngineControlPort*)x_client->addPort(CarlaEnginePortTypeControl, portName, false);

  487. 

  488.         // ----------------------

  489.         j = FluidSynthReverbOnOff;

  490.         param.data[j].index  = j;

  491.         param.data[j].rindex = j;

  492.         param.data[j].type   = PARAMETER_INPUT;

  493.         param.data[j].hints  = PARAMETER_IS_ENABLED | PARAMETER_IS_AUTOMABLE | PARAMETER_IS_BOOLEAN;

  494.         param.data[j].midiChannel = 0;

  495.         param.data[j].midiCC = -1;

  496.         param.ranges[j].min = 0.0;

  497.         param.ranges[j].max = 1.0;

  498.         param.ranges[j].def = 0.0; // off

  499.         param.ranges[j].step = 1.0;

  500.         param.ranges[j].stepSmall = 1.0;

  501.         param.ranges[j].stepLarge = 1.0;

  502.         paramBuffers[j] = param.ranges[j].def;

  503. 

  504.         // ----------------------

  505.         j = FluidSynthReverbRoomSize;

  506.         param.data[j].index  = j;

  507.         param.data[j].rindex = j;

  508.         param.data[j].type   = PARAMETER_INPUT;

  509.         param.data[j].hints  = PARAMETER_IS_ENABLED | PARAMETER_IS_AUTOMABLE;

  510.         param.data[j].midiChannel = 0;

  511.         param.data[j].midiCC = -1;

  512.         param.ranges[j].min = 0.0;

  513.         param.ranges[j].max = 1.2;

  514.         param.ranges[j].def = FLUID_REVERB_DEFAULT_ROOMSIZE;

  515.         param.ranges[j].step = 0.01;

  516.         param.ranges[j].stepSmall = 0.0001;

  517.         param.ranges[j].stepLarge = 0.1;

  518.         paramBuffers[j] = param.ranges[j].def;

  519. 

  520.         // ----------------------

  521.         j = FluidSynthReverbDamp;

  522.         param.data[j].index  = j;

  523.         param.data[j].rindex = j;

  524.         param.data[j].type   = PARAMETER_INPUT;

  525.         param.data[j].hints  = PARAMETER_IS_ENABLED | PARAMETER_IS_AUTOMABLE;

  526.         param.data[j].midiChannel = 0;

  527.         param.data[j].midiCC = -1;

  528.         param.ranges[j].min = 0.0;

  529.         param.ranges[j].max = 1.0;

  530.         param.ranges[j].def = FLUID_REVERB_DEFAULT_DAMP;

  531.         param.ranges[j].step = 0.01;

  532.         param.ranges[j].stepSmall = 0.0001;

  533.         param.ranges[j].stepLarge = 0.1;

  534.         paramBuffers[j] = param.ranges[j].def;

  535. 

  536.         // ----------------------

  537.         j = FluidSynthReverbLevel;

  538.         param.data[j].index  = j;

  539.         param.data[j].rindex = j;

  540.         param.data[j].type   = PARAMETER_INPUT;

  541.         param.data[j].hints  = PARAMETER_IS_ENABLED | PARAMETER_IS_AUTOMABLE;

  542.         param.data[j].midiChannel = 0;

  543.         param.data[j].midiCC = MIDI_CONTROL_REVERB_SEND_LEVEL;

  544.         param.ranges[j].min = 0.0;

  545.         param.ranges[j].max = 1.0;

  546.         param.ranges[j].def = FLUID_REVERB_DEFAULT_LEVEL;

  547.         param.ranges[j].step = 0.01;

  548.         param.ranges[j].stepSmall = 0.0001;

  549.         param.ranges[j].stepLarge = 0.1;

  550.         paramBuffers[j] = param.ranges[j].def;

  551. 

  552.         // ----------------------

  553.         j = FluidSynthReverbWidth;

  554.         param.data[j].index  = j;

  555.         param.data[j].rindex = j;

  556.         param.data[j].type   = PARAMETER_INPUT;

  557.         param.data[j].hints  = PARAMETER_IS_ENABLED | PARAMETER_IS_AUTOMABLE;

  558.         param.data[j].midiChannel = 0;

  559.         param.data[j].midiCC = -1;

  560.         param.ranges[j].min = 0.0;

  561.         param.ranges[j].max = 10.0; // should be 100, but that sounds too much

  562.         param.ranges[j].def = FLUID_REVERB_DEFAULT_WIDTH;

  563.         param.ranges[j].step = 0.01;

  564.         param.ranges[j].stepSmall = 0.0001;

  565.         param.ranges[j].stepLarge = 0.1;

  566.         paramBuffers[j] = param.ranges[j].def;

  567. 

  568.         // ----------------------

  569.         j = FluidSynthChorusOnOff;

  570.         param.data[j].index  = j;

  571.         param.data[j].rindex = j;

  572.         param.data[j].type   = PARAMETER_INPUT;

  573.         param.data[j].hints  = PARAMETER_IS_ENABLED | PARAMETER_IS_BOOLEAN;

  574.         param.data[j].midiChannel = 0;

  575.         param.data[j].midiCC = -1;

  576.         param.ranges[j].min = 0.0;

  577.         param.ranges[j].max = 1.0;

  578.         param.ranges[j].def = 0.0; // off

  579.         param.ranges[j].step = 1.0;

  580.         param.ranges[j].stepSmall = 1.0;

  581.         param.ranges[j].stepLarge = 1.0;

  582.         paramBuffers[j] = param.ranges[j].def;

  583. 

  584.         // ----------------------

  585.         j = FluidSynthChorusNr;

  586.         param.data[j].index  = j;

  587.         param.data[j].rindex = j;

  588.         param.data[j].type   = PARAMETER_INPUT;

  589.         param.data[j].hints  = PARAMETER_IS_ENABLED | PARAMETER_IS_INTEGER;

  590.         param.data[j].midiChannel = 0;

  591.         param.data[j].midiCC = -1;

  592.         param.ranges[j].min = 0.0;

  593.         param.ranges[j].max = 99.0;

  594.         param.ranges[j].def = FLUID_CHORUS_DEFAULT_N;

  595.         param.ranges[j].step = 1.0;

  596.         param.ranges[j].stepSmall = 1.0;

  597.         param.ranges[j].stepLarge = 10.0;

  598.         paramBuffers[j] = param.ranges[j].def;

  599. 

  600.         // ----------------------

  601.         j = FluidSynthChorusLevel;

  602.         param.data[j].index  = j;

  603.         param.data[j].rindex = j;

  604.         param.data[j].type   = PARAMETER_INPUT;

  605.         param.data[j].hints  = PARAMETER_IS_ENABLED;

  606.         param.data[j].midiChannel = 0;

  607.         param.data[j].midiCC = 0; //MIDI_CONTROL_CHORUS_SEND_LEVEL;

  608.         param.ranges[j].min = 0.0;

  609.         param.ranges[j].max = 10.0;

  610.         param.ranges[j].def = FLUID_CHORUS_DEFAULT_LEVEL;

  611.         param.ranges[j].step = 0.01;

  612.         param.ranges[j].stepSmall = 0.0001;

  613.         param.ranges[j].stepLarge = 0.1;

  614.         paramBuffers[j] = param.ranges[j].def;

  615. 

  616.         // ----------------------

  617.         j = FluidSynthChorusSpeedHz;

  618.         param.data[j].index  = j;

  619.         param.data[j].rindex = j;

  620.         param.data[j].type   = PARAMETER_INPUT;

  621.         param.data[j].hints  = PARAMETER_IS_ENABLED;

  622.         param.data[j].midiChannel = 0;

  623.         param.data[j].midiCC = -1;

  624.         param.ranges[j].min = 0.29;

  625.         param.ranges[j].max = 5.0;

  626.         param.ranges[j].def = FLUID_CHORUS_DEFAULT_SPEED;

  627.         param.ranges[j].step = 0.01;

  628.         param.ranges[j].stepSmall = 0.0001;

  629.         param.ranges[j].stepLarge = 0.1;

  630.         paramBuffers[j] = param.ranges[j].def;

  631. 

  632.         // ----------------------

  633.         j = FluidSynthChorusDepthMs;

  634.         param.data[j].index  = j;

  635.         param.data[j].rindex = j;

  636.         param.data[j].type   = PARAMETER_INPUT;

  637.         param.data[j].hints  = PARAMETER_IS_ENABLED;

  638.         param.data[j].midiChannel = 0;

  639.         param.data[j].midiCC = -1;

  640.         param.ranges[j].min = 0.0;

  641.         param.ranges[j].max = 2048000.0 / x_engine->getSampleRate();

  642.         param.ranges[j].def = FLUID_CHORUS_DEFAULT_DEPTH;

  643.         param.ranges[j].step = 0.01;

  644.         param.ranges[j].stepSmall = 0.0001;

  645.         param.ranges[j].stepLarge = 0.1;

  646.         paramBuffers[j] = param.ranges[j].def;

  647. 

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

  649.         j = FluidSynthChorusType;

  650.         param.data[j].index  = j;

  651.         param.data[j].rindex = j;

  652.         param.data[j].type   = PARAMETER_INPUT;

  653.         param.data[j].hints  = PARAMETER_IS_ENABLED | PARAMETER_IS_INTEGER | PARAMETER_USES_SCALEPOINTS;

  654.         param.data[j].midiChannel = 0;

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

  656.         param.ranges[j].min = FLUID_CHORUS_MOD_SINE;

  657.         param.ranges[j].max = FLUID_CHORUS_MOD_TRIANGLE;

  658.         param.ranges[j].def = FLUID_CHORUS_DEFAULT_TYPE;

  659.         param.ranges[j].step = 1;

  660.         param.ranges[j].stepSmall = 1;

  661.         param.ranges[j].stepLarge = 1;

  662.         paramBuffers[j] = param.ranges[j].def;

  663. 

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

  665.         j = FluidSynthPolyphony;

  666.         param.data[j].index  = j;

  667.         param.data[j].rindex = j;

  668.         param.data[j].type   = PARAMETER_INPUT;

  669.         param.data[j].hints  = PARAMETER_IS_ENABLED | PARAMETER_IS_INTEGER;

  670.         param.data[j].midiChannel = 0;

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

  672.         param.ranges[j].min = 1;

  673.         param.ranges[j].max = 512; // max theoric is 65535

  674.         param.ranges[j].def = fluid_synth_get_polyphony(f_synth);

  675.         param.ranges[j].step = 1;

  676.         param.ranges[j].stepSmall = 1;

  677.         param.ranges[j].stepLarge = 10;

  678.         paramBuffers[j] = param.ranges[j].def;

  679. 

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

  681.         j = FluidSynthInterpolation;

  682.         param.data[j].index  = j;

  683.         param.data[j].rindex = j;

  684.         param.data[j].type   = PARAMETER_INPUT;

  685.         param.data[j].hints  = PARAMETER_IS_ENABLED | PARAMETER_IS_INTEGER | PARAMETER_USES_SCALEPOINTS;

  686.         param.data[j].midiChannel = 0;

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

  688.         param.ranges[j].min = FLUID_INTERP_NONE;

  689.         param.ranges[j].max = FLUID_INTERP_HIGHEST;

  690.         param.ranges[j].def = FLUID_INTERP_DEFAULT;

  691.         param.ranges[j].step = 1;

  692.         param.ranges[j].stepSmall = 1;

  693.         param.ranges[j].stepLarge = 1;

  694.         paramBuffers[j] = param.ranges[j].def;

  695. 

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

  697.         j = FluidSynthVoiceCount;

  698.         param.data[j].index  = j;

  699.         param.data[j].rindex = j;

  700.         param.data[j].type   = PARAMETER_OUTPUT;

  701.         param.data[j].hints  = PARAMETER_IS_ENABLED | PARAMETER_IS_AUTOMABLE | PARAMETER_IS_INTEGER;

  702.         param.data[j].midiChannel = 0;

  703.         param.data[j].midiCC = -1;

  704.         param.ranges[j].min = 0;

  705.         param.ranges[j].max = 65535;

  706.         param.ranges[j].def = 0;

  707.         param.ranges[j].step = 1;

  708.         param.ranges[j].stepSmall = 1;

  709.         param.ranges[j].stepLarge = 1;

  710.         paramBuffers[j] = param.ranges[j].def;

  711. 

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

  713. 

  714.         aOut.count  = aOuts;

  715.         param.count = params;

  716. 

  717.         // plugin checks

  718.         m_hints &= ~(PLUGIN_IS_SYNTH | PLUGIN_USES_CHUNKS | PLUGIN_CAN_DRYWET | PLUGIN_CAN_VOLUME | PLUGIN_CAN_BALANCE);

  719. 

  720.         m_hints |= PLUGIN_IS_SYNTH;

  721.         m_hints |= PLUGIN_CAN_VOLUME;

  722.         m_hints |= PLUGIN_CAN_BALANCE;

  723. 

  724.         reloadPrograms(true);

  725. 

  726.         x_client->activate();

  727. 

  728.         qDebug("FluidSynthPlugin::reload() - end");

  729.     }

  730. 

  731.     void reloadPrograms(const bool init)

  732.     {

  733.         qDebug("FluidSynthPlugin::reloadPrograms(%s)", bool2str(init));

  734. 

  735.         // Delete old programs

  736.         if (midiprog.count > 0)

  737.         {

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

  739.                 free((void*)midiprog.data[i].name);

  740. 

  741.             delete[] midiprog.data;

  742.         }

  743. 

  744.         midiprog.count = 0;

  745.         midiprog.data  = nullptr;

  746. 

  747.         // Query new programs

  748.         fluid_sfont_t* f_sfont;

  749.         fluid_preset_t f_preset;

  750.         bool hasDrums = false;

  751. 

  752.         f_sfont = fluid_synth_get_sfont_by_id(f_synth, f_id);

  753. 

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

  755.         f_sfont->iteration_start(f_sfont);

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

  757.             midiprog.count += 1;

  758. 

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

  760.         Q_ASSERT(midiprog.count > 0);

  761. 

  762.         if (midiprog.count > 0)

  763.             midiprog.data = new midi_program_t[midiprog.count];

  764. 

  765.         // Update data

  766.         uint32_t i = 0;

  767.         f_sfont->iteration_start(f_sfont);

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

  769.         {

  770.             Q_ASSERT(i < midiprog.count);

  771.             midiprog.data[i].bank    = f_preset.get_banknum(&f_preset);

  772.             midiprog.data[i].program = f_preset.get_num(&f_preset);

  773.             midiprog.data[i].name    = strdup(f_preset.get_name(&f_preset));

  774. 

  775.             if (midiprog.data[i].bank == 128)

  776.                 hasDrums = true;

  777. 

  778.             i++;

  779.         }

  780. 

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

  782. 

  783. #ifndef BUILD_BRIDGE

  784.         // Update OSC Names

  785.         if (x_engine->isOscControllerRegisted())

  786.         {

  787.             x_engine->osc_send_control_set_midi_program_count(m_id, midiprog.count);

  788. 

  789.             for (i=0; i < midiprog.count; i++)

  790.                 x_engine->osc_send_control_set_midi_program_data(m_id, i, midiprog.data[i].bank, midiprog.data[i].program, midiprog.data[i].name);

  791.         }

  792. #endif

  793. 

  794.         if (init)

  795.         {

  796.             fluid_synth_program_reset(f_synth);

  797. 

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

  799.             {

  800.                 fluid_synth_program_select(f_synth, i, f_id, midiprog.data[0].bank, midiprog.data[0].program);

  801. #ifdef FLUIDSYNTH_VERSION_NEW_API

  802.                 fluid_synth_set_channel_type(f_synth, i, CHANNEL_TYPE_MELODIC);

  803. #endif

  804.             }

  805. 

  806.             if (hasDrums)

  807.             {

  808.                 fluid_synth_program_select(f_synth, 9, f_id, 128, 0);

  809. #ifdef FLUIDSYNTH_VERSION_NEW_API

  810.                 fluid_synth_set_channel_type(f_synth, 9, CHANNEL_TYPE_DRUM);

  811. #endif

  812.             }

  813.             else

  814.             {

  815.                 fluid_synth_program_select(f_synth, 9, f_id, midiprog.data[0].bank, midiprog.data[0].program);

  816. #ifdef FLUIDSYNTH_VERSION_NEW_API

  817.                 fluid_synth_set_channel_type(f_synth, 9, CHANNEL_TYPE_MELODIC);

  818. #endif

  819.             }

  820. 

  821.             setMidiProgram(0, false, false, false, true);

  822.         }

  823.         else

  824.         {

  825.             x_engine->callback(CALLBACK_RELOAD_PROGRAMS, m_id, 0, 0, 0.0);

  826.         }

  827.     }

  828. 

  829.     // -------------------------------------------------------------------

  830.     // Plugin processing

  831. 

  832.     void process(float** const, float** const outBuffer, const uint32_t frames, const uint32_t framesOffset)

  833.     {

  834.         uint32_t i, k;

  835.         uint32_t midiEventCount = 0;

  836. 

  837.         double aOutsPeak[2] = { 0.0 };

  838. 

  839.         CARLA_PROCESS_CONTINUE_CHECK;

  840. 

  841.         // --------------------------------------------------------------------------------------------------------

  842.         // Parameters Input [Automation]

  843. 

  844.         if (m_active && m_activeBefore)

  845.         {

  846.             bool allNotesOffSent = false;

  847. 

  848.             const CarlaEngineControlEvent* cinEvent;

  849.             uint32_t time, nEvents = param.portCin->getEventCount();

  850. 

  851.             unsigned char nextBankIds[16] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 0, 0, 0, 0, 0, 0 };

  852. 

  853.             if (midiprog.current >= 0 && midiprog.count > 0 && m_ctrlInChannel >= 0 && m_ctrlInChannel < 16)

  854.                 nextBankIds[m_ctrlInChannel] = midiprog.data[midiprog.current].bank;

  855. 

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

  857.             {

  858.                 cinEvent = param.portCin->getEvent(i);

  859. 

  860.                 if (! cinEvent)

  861.                     continue;

  862. 

  863.                 time = cinEvent->time - framesOffset;

  864. 

  865.                 if (time >= frames)

  866.                     continue;

  867. 

  868.                 // Control change

  869.                 switch (cinEvent->type)

  870.                 {

  871.                 case CarlaEngineEventNull:

  872.                     break;

  873. 

  874.                 case CarlaEngineEventControlChange:

  875.                 {

  876.                     double value;

  877. 

  878.                     // Control backend stuff

  879.                     if (cinEvent->channel == m_ctrlInChannel)

  880.                     {

  881.                         if (MIDI_IS_CONTROL_BREATH_CONTROLLER(cinEvent->controller) && (m_hints & PLUGIN_CAN_DRYWET) > 0)

  882.                         {

  883.                             value = cinEvent->value;

  884.                             setDryWet(value, false, false);

  885.                             postponeEvent(PluginPostEventParameterChange, PARAMETER_DRYWET, 0, value);

  886.                             continue;

  887.                         }

  888. 

  889.                         if (MIDI_IS_CONTROL_CHANNEL_VOLUME(cinEvent->controller) && (m_hints & PLUGIN_CAN_VOLUME) > 0)

  890.                         {

  891.                             value = cinEvent->value*127/100;

  892.                             setVolume(value, false, false);

  893.                             postponeEvent(PluginPostEventParameterChange, PARAMETER_VOLUME, 0, value);

  894.                             continue;

  895.                         }

  896. 

  897.                         if (MIDI_IS_CONTROL_BALANCE(cinEvent->controller) && (m_hints & PLUGIN_CAN_BALANCE) > 0)

  898.                         {

  899.                             double left, right;

  900.                             value = cinEvent->value/0.5 - 1.0;

  901. 

  902.                             if (value < 0.0)

  903.                             {

  904.                                 left  = -1.0;

  905.                                 right = (value*2)+1.0;

  906.                             }

  907.                             else if (value > 0.0)

  908.                             {

  909.                                 left  = (value*2)-1.0;

  910.                                 right = 1.0;

  911.                             }

  912.                             else

  913.                             {

  914.                                 left  = -1.0;

  915.                                 right = 1.0;

  916.                             }

  917. 

  918.                             setBalanceLeft(left, false, false);

  919.                             setBalanceRight(right, false, false);

  920.                             postponeEvent(PluginPostEventParameterChange, PARAMETER_BALANCE_LEFT, 0, left);

  921.                             postponeEvent(PluginPostEventParameterChange, PARAMETER_BALANCE_RIGHT, 0, right);

  922.                             continue;

  923.                         }

  924.                     }

  925. 

  926.                     // Control plugin parameters

  927.                     for (k=0; k < param.count; k++)

  928.                     {

  929.                         if (param.data[k].midiChannel != cinEvent->channel)

  930.                             continue;

  931.                         if (param.data[k].midiCC != cinEvent->controller)

  932.                             continue;

  933.                         if (param.data[k].type != PARAMETER_INPUT)

  934.                             continue;

  935. 

  936.                         if (param.data[k].hints & PARAMETER_IS_AUTOMABLE)

  937.                         {

  938.                             if (param.data[k].hints & PARAMETER_IS_BOOLEAN)

  939.                             {

  940.                                 value = cinEvent->value < 0.5 ? param.ranges[k].min : param.ranges[k].max;

  941.                             }

  942.                             else

  943.                             {

  944.                                 value = cinEvent->value * (param.ranges[k].max - param.ranges[k].min) + param.ranges[k].min;

  945. 

  946.                                 if (param.data[k].hints & PARAMETER_IS_INTEGER)

  947.                                     value = rint(value);

  948.                             }

  949. 

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

  951.                             postponeEvent(PluginPostEventParameterChange, k, 0, value);

  952.                         }

  953.                     }

  954. 

  955.                     break;

  956.                 }

  957. 

  958.                 case CarlaEngineEventMidiBankChange:

  959.                     if (cinEvent->channel < 16)

  960.                         nextBankIds[cinEvent->channel] = rint(cinEvent->value);

  961.                     break;

  962. 

  963.                 case CarlaEngineEventMidiProgramChange:

  964.                     if (cinEvent->channel < 16)

  965.                     {

  966.                         uint32_t bankId = nextBankIds[cinEvent->channel];

  967.                         uint32_t progId = rint(cinEvent->value);

  968. 

  969.                         for (k=0; k < midiprog.count; k++)

  970.                         {

  971.                             if (midiprog.data[k].bank == bankId && midiprog.data[k].program == progId)

  972.                             {

  973.                                 if (cinEvent->channel == m_ctrlInChannel)

  974.                                 {

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

  976.                                     postponeEvent(PluginPostEventMidiProgramChange, k, 0, 0.0);

  977.                                 }

  978.                                 else

  979.                                     fluid_synth_program_select(f_synth, cinEvent->channel, f_id, bankId, progId);

  980. 

  981.                                 break;

  982.                             }

  983.                         }

  984.                     }

  985.                     break;

  986. 

  987.                 case CarlaEngineEventAllSoundOff:

  988.                     if (cinEvent->channel == m_ctrlInChannel)

  989.                     {

  990.                         if (! allNotesOffSent)

  991.                             sendMidiAllNotesOff();

  992. 

  993.                         allNotesOffSent = true;

  994. 

  995. #ifdef FLUIDSYNTH_VERSION_NEW_API

  996.                         fluid_synth_all_notes_off(f_synth, m_ctrlInChannel);

  997.                         fluid_synth_all_sounds_off(f_synth, m_ctrlInChannel);

  998.                     }

  999.                     else if (cinEvent->channel < 16)

  1000.                     {

  1001.                         fluid_synth_all_notes_off(f_synth, cinEvent->channel);

  1002.                         fluid_synth_all_sounds_off(f_synth, cinEvent->channel);

  1003. #endif

  1004.                     }

  1005.                     break;

  1006. 

  1007.                 case CarlaEngineEventAllNotesOff:

  1008.                     if (cinEvent->channel == m_ctrlInChannel)

  1009.                     {

  1010.                         if (! allNotesOffSent)

  1011.                             sendMidiAllNotesOff();

  1012. 

  1013.                         allNotesOffSent = true;

  1014. 

  1015. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1016.                         fluid_synth_all_notes_off(f_synth, m_ctrlInChannel);

  1017.                     }

  1018.                     else if (cinEvent->channel < 16)

  1019.                     {

  1020.                         fluid_synth_all_notes_off(f_synth, cinEvent->channel);

  1021. #endif

  1022.                     }

  1023.                     break;

  1024.                 }

  1025.             }

  1026.         } // End of Parameters Input

  1027. 

  1028.         CARLA_PROCESS_CONTINUE_CHECK;

  1029. 

  1030.         // --------------------------------------------------------------------------------------------------------

  1031.         // MIDI Input

  1032. 

  1033.         if (m_active && m_activeBefore)

  1034.         {

  1035.             // ----------------------------------------------------------------------------------------------------

  1036.             // MIDI Input (External)

  1037. 

  1038.             {

  1039.                 engineMidiLock();

  1040. 

  1041.                 for (i=0; i < MAX_MIDI_EVENTS && midiEventCount < MAX_MIDI_EVENTS; i++)

  1042.                 {

  1043.                     if (extMidiNotes[i].channel < 0)

  1044.                         break;

  1045. 

  1046.                     if (extMidiNotes[i].velo)

  1047.                         fluid_synth_noteon(f_synth, m_ctrlInChannel, extMidiNotes[i].note, extMidiNotes[i].velo);

  1048.                     else

  1049.                         fluid_synth_noteoff(f_synth, m_ctrlInChannel, extMidiNotes[i].note);

  1050. 

  1051.                     extMidiNotes[i].channel = -1; // mark as invalid

  1052.                     midiEventCount += 1;

  1053.                 }

  1054. 

  1055.                 engineMidiUnlock();

  1056. 

  1057.             } // End of MIDI Input (External)

  1058. 

  1059.             CARLA_PROCESS_CONTINUE_CHECK;

  1060. 

  1061.             // ----------------------------------------------------------------------------------------------------

  1062.             // MIDI Input (System)

  1063. 

  1064.             {

  1065.                 const CarlaEngineMidiEvent* minEvent;

  1066.                 uint32_t time, nEvents = midi.portMin->getEventCount();

  1067. 

  1068.                 for (i=0; i < nEvents && midiEventCount < MAX_MIDI_EVENTS; i++)

  1069.                 {

  1070.                     minEvent = midi.portMin->getEvent(i);

  1071. 

  1072.                     if (! minEvent)

  1073.                         continue;

  1074. 

  1075.                     time = minEvent->time - framesOffset;

  1076. 

  1077.                     if (time >= frames)

  1078.                         continue;

  1079. 

  1080.                     uint8_t status  = minEvent->data[0];

  1081.                     uint8_t channel = status & 0x0F;

  1082. 

  1083.                     // Fix bad note-off

  1084.                     if (MIDI_IS_STATUS_NOTE_ON(status) && minEvent->data[2] == 0)

  1085.                         status -= 0x10;

  1086. 

  1087.                     if (MIDI_IS_STATUS_NOTE_OFF(status))

  1088.                     {

  1089.                         uint8_t note = minEvent->data[1];

  1090. 

  1091.                         fluid_synth_noteoff(f_synth, channel, note);

  1092. 

  1093.                         postponeEvent(PluginPostEventNoteOff, channel, note, 0.0);

  1094.                     }

  1095.                     else if (MIDI_IS_STATUS_NOTE_ON(status))

  1096.                     {

  1097.                         uint8_t note = minEvent->data[1];

  1098.                         uint8_t velo = minEvent->data[2];

  1099. 

  1100.                         fluid_synth_noteon(f_synth, channel, note, velo);

  1101. 

  1102.                         postponeEvent(PluginPostEventNoteOn, channel, note, velo);

  1103.                     }

  1104.                     else if (MIDI_IS_STATUS_POLYPHONIC_AFTERTOUCH(status))

  1105.                     {

  1106.                         // TODO, not in fluidsynth API?

  1107.                     }

  1108.                     else if (MIDI_IS_STATUS_AFTERTOUCH(status))

  1109.                     {

  1110.                         uint8_t pressure = minEvent->data[1];

  1111. 

  1112.                         fluid_synth_channel_pressure(f_synth, channel, pressure);

  1113.                     }

  1114.                     else if (MIDI_IS_STATUS_PITCH_WHEEL_CONTROL(status))

  1115.                     {

  1116.                         uint8_t lsb = minEvent->data[1];

  1117.                         uint8_t msb = minEvent->data[2];

  1118. 

  1119.                         fluid_synth_pitch_bend(f_synth, channel, (msb << 7) | lsb);

  1120.                     }

  1121.                     else

  1122.                         continue;

  1123. 

  1124.                     midiEventCount += 1;

  1125.                 }

  1126.             } // End of MIDI Input (System)

  1127. 

  1128.         } // End of MIDI Input

  1129. 

  1130.         CARLA_PROCESS_CONTINUE_CHECK;

  1131. 

  1132.         // --------------------------------------------------------------------------------------------------------

  1133.         // Plugin processing

  1134. 

  1135.         if (m_active)

  1136.         {

  1137.             if (! m_activeBefore)

  1138.             {

  1139.                 if (m_ctrlInChannel >= 0 && m_ctrlInChannel < 16)

  1140.                 {

  1141.                     fluid_synth_cc(f_synth, m_ctrlInChannel, MIDI_CONTROL_ALL_SOUND_OFF, 0);

  1142.                     fluid_synth_cc(f_synth, m_ctrlInChannel, MIDI_CONTROL_ALL_NOTES_OFF, 0);

  1143.                 }

  1144. 

  1145. #ifdef FLUIDSYNTH_VERSION_NEW_API

  1146.                 for (i=0; i < 16; i++)

  1147.                 {

  1148.                     fluid_synth_all_notes_off(f_synth, i);

  1149.                     fluid_synth_all_sounds_off(f_synth, i);

  1150.                 }

  1151. #endif

  1152.             }

  1153. 

  1154.             fluid_synth_process(f_synth, frames, 0, nullptr, 2, outBuffer);

  1155.         }

  1156. 

  1157.         CARLA_PROCESS_CONTINUE_CHECK;

  1158. 

  1159.         // --------------------------------------------------------------------------------------------------------

  1160.         // Post-processing (balance and volume)

  1161. 

  1162.         if (m_active)

  1163.         {

  1164.             bool do_balance = (x_balanceLeft != -1.0 || x_balanceRight != 1.0);

  1165. 

  1166.             double bal_rangeL, bal_rangeR;

  1167.             float oldBufLeft[do_balance ? frames : 0];

  1168. 

  1169.             for (i=0; i < aOut.count; i++)

  1170.             {

  1171.                 // Balance

  1172.                 if (do_balance)

  1173.                 {

  1174.                     if (i%2 == 0)

  1175.                         memcpy(&oldBufLeft, outBuffer[i], sizeof(float)*frames);

  1176. 

  1177.                     bal_rangeL = (x_balanceLeft+1.0)/2;

  1178.                     bal_rangeR = (x_balanceRight+1.0)/2;

  1179. 

  1180.                     for (k=0; k < frames; k++)

  1181.                     {

  1182.                         if (i%2 == 0)

  1183.                         {

  1184.                             // left output

  1185.                             outBuffer[i][k]  = oldBufLeft[k]*(1.0-bal_rangeL);

  1186.                             outBuffer[i][k] += outBuffer[i+1][k]*(1.0-bal_rangeR);

  1187.                         }

  1188.                         else

  1189.                         {

  1190.                             // right

  1191.                             outBuffer[i][k]  = outBuffer[i][k]*bal_rangeR;

  1192.                             outBuffer[i][k] += oldBufLeft[k]*bal_rangeL;

  1193.                         }

  1194.                     }

  1195.                 }

  1196. 

  1197.                 // Volume, using fluidsynth internals

  1198.                 fluid_synth_set_gain(f_synth, x_volume);

  1199. 

  1200.                 // Output VU

  1201.                 for (k=0; i < 2 && k < frames; k++)

  1202.                 {

  1203.                     if (abs(outBuffer[i][k]) > aOutsPeak[i])

  1204.                         aOutsPeak[i] = abs(outBuffer[i][k]);

  1205.                 }

  1206.             }

  1207.         }

  1208.         else

  1209.         {

  1210.             // disable any output sound if not active

  1211.             for (i=0; i < aOut.count; i++)

  1212.                 memset(outBuffer[i], 0.0f, sizeof(float)*frames);

  1213. 

  1214.             aOutsPeak[0] = 0.0;

  1215.             aOutsPeak[1] = 0.0;

  1216. 

  1217.         } // End of Post-processing

  1218. 

  1219.         CARLA_PROCESS_CONTINUE_CHECK;

  1220. 

  1221.         // --------------------------------------------------------------------------------------------------------

  1222.         // Control Output

  1223. 

  1224.         if (m_active)

  1225.         {

  1226.             k = FluidSynthVoiceCount;

  1227.             paramBuffers[k] = fluid_synth_get_active_voice_count(f_synth);

  1228.             fixParameterValue(paramBuffers[k], param.ranges[k]);

  1229. 

  1230.             if (param.data[k].midiCC > 0)

  1231.             {

  1232.                 double value = (paramBuffers[k] - param.ranges[k].min) / (param.ranges[k].max - param.ranges[k].min);

  1233.                 param.portCout->writeEvent(CarlaEngineEventControlChange, framesOffset, param.data[k].midiChannel, param.data[k].midiCC, value);

  1234.             }

  1235.         } // End of Control Output

  1236. 

  1237.         CARLA_PROCESS_CONTINUE_CHECK;

  1238. 

  1239.         // --------------------------------------------------------------------------------------------------------

  1240.         // Peak Values

  1241. 

  1242.         x_engine->setOutputPeak(m_id, 0, aOutsPeak[0]);

  1243.         x_engine->setOutputPeak(m_id, 1, aOutsPeak[1]);

  1244. 

  1245.         m_activeBefore = m_active;

  1246.     }

  1247. 

  1248.     // -------------------------------------------------------------------

  1249. 

  1250.     bool init(const char* const filename, const char* const name, const char* const label)

  1251.     {

  1252.         // ---------------------------------------------------------------

  1253.         // open soundfont

  1254. 

  1255.         f_id = fluid_synth_sfload(f_synth, filename, 0);

  1256. 

  1257.         if (f_id < 0)

  1258.         {

  1259.             setLastError("Failed to load SoundFont file");

  1260.             return false;

  1261.         }

  1262. 

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

  1264.         // get info

  1265. 

  1266.         m_filename = strdup(filename);

  1267.         m_label    = strdup(label);

  1268. 

  1269.         if (name)

  1270.             m_name = x_engine->getUniqueName(name);

  1271.         else

  1272.             m_name = x_engine->getUniqueName(label);

  1273. 

  1274.         // ---------------------------------------------------------------

  1275.         // register client

  1276. 

  1277.         x_client = x_engine->addClient(this);

  1278. 

  1279.         if (! x_client->isOk())

  1280.         {

  1281.             setLastError("Failed to register plugin client");

  1282.             return false;

  1283.         }

  1284. 

  1285.         return true;

  1286.     }

  1287. 

  1288. private:

  1289.     enum FluidSynthInputParameters {

  1290.         FluidSynthReverbOnOff    = 0,

  1291.         FluidSynthReverbRoomSize = 1,

  1292.         FluidSynthReverbDamp     = 2,

  1293.         FluidSynthReverbLevel    = 3,

  1294.         FluidSynthReverbWidth    = 4,

  1295.         FluidSynthChorusOnOff    = 5,

  1296.         FluidSynthChorusNr       = 6,

  1297.         FluidSynthChorusLevel    = 7,

  1298.         FluidSynthChorusSpeedHz  = 8,

  1299.         FluidSynthChorusDepthMs  = 9,

  1300.         FluidSynthChorusType     = 10,

  1301.         FluidSynthPolyphony      = 11,

  1302.         FluidSynthInterpolation  = 12,

  1303.         FluidSynthVoiceCount     = 13,

  1304.         FluidSynthParametersMax  = 14

  1305.     };

  1306. 

  1307.     fluid_settings_t* f_settings;

  1308.     fluid_synth_t* f_synth;

  1309.     int f_id;

  1310. 

  1311.     double paramBuffers[FluidSynthParametersMax];

  1312. 

  1313.     const char* m_label;

  1314. };

  1315. 

  1316. /**@}*/

  1317. 

  1318. CARLA_BACKEND_END_NAMESPACE

  1319. 

  1320. #else // WANT_FLUIDSYNTH

  1321. #  warning fluidsynth not available (no SF2 support)

  1322. #endif

  1323. 

  1324. CARLA_BACKEND_START_NAMESPACE

  1325. 

  1326. CarlaPlugin* CarlaPlugin::newSF2(const initializer& init)

  1327. {

  1328.     qDebug("CarlaPlugin::newSF2(%p, \"%s\", \"%s\", \"%s\")", init.engine, init.filename, init.name, init.label);

  1329. 

  1330. #ifdef WANT_FLUIDSYNTH

  1331.     short id = init.engine->getNewPluginId();

  1332. 

  1333.     if (id < 0 || id > CarlaEngine::maxPluginNumber())

  1334.     {

  1335.         setLastError("Maximum number of plugins reached");

  1336.         return nullptr;

  1337.     }

  1338. 

  1339.     if (! fluid_is_soundfont(init.filename))

  1340.     {

  1341.         setLastError("Requested file is not a valid SoundFont");

  1342.         return nullptr;

  1343.     }

  1344. 

  1345.     FluidSynthPlugin* const plugin = new FluidSynthPlugin(init.engine, id);

  1346. 

  1347.     if (! plugin->init(init.filename, init.name, init.label))

  1348.     {

  1349.         delete plugin;

  1350.         return nullptr;

  1351.     }

  1352. 

  1353.     plugin->reload();

  1354.     plugin->registerToOsc();

  1355. 

  1356.     return plugin;

  1357. #else

  1358.     setLastError("fluidsynth support not available");

  1359.     return nullptr;

  1360. #endif

  1361. }

  1362. 

  1363. CARLA_BACKEND_END_NAMESPACE