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.
2763 Commits
16 Branches
231MB
Tree: a280f69534
Branches Tags
${ item.name }
Create branch ${ searchTerm }
from 'a280f69534'
${ noResults }
Carla/source/backend/plugin/CarlaPluginNative.cpp

2506 lines
89KB
Raw Blame History 

  1. /*

  2.  * Carla Native Plugin

  3.  * Copyright (C) 2012-2014 Filipe Coelho <falktx@falktx.com>

  4.  *

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

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

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

  8.  * the License, or any later version.

  9.  *

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

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

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

  13.  * GNU General Public License for more details.

  14.  *

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

  16.  */

  17. 

  18. #include "CarlaPluginInternal.hpp"

  19. #include "CarlaEngine.hpp"

  20. 

  21. #include "CarlaMathUtils.hpp"

  22. #include "CarlaNative.h"

  23. 

  24. #include "juce_core.h"

  25. 

  26. using juce::String;

  27. using juce::StringArray;

  28. 

  29. CARLA_EXTERN_C

  30. std::size_t carla_getNativePluginCount() noexcept;

  31. 

  32. CARLA_EXTERN_C

  33. const NativePluginDescriptor* carla_getNativePluginDescriptor(const std::size_t index) noexcept;

  34. 

  35. // -----------------------------------------------------------------------

  36. 

  37. static LinkedList<const NativePluginDescriptor*> gPluginDescriptors;

  38. 

  39. void carla_register_native_plugin(const NativePluginDescriptor* desc)

  40. {

  41.     gPluginDescriptors.append(desc);

  42. }

  43. 

  44. // -----------------------------------------------------------------------

  45. 

  46. static

  47. class NativePluginInitializer

  48. {

  49. public:

  50.     NativePluginInitializer() noexcept

  51.         : fNeedsInit(true) {}

  52. 

  53.     ~NativePluginInitializer() noexcept

  54.     {

  55.         gPluginDescriptors.clear();

  56.     }

  57. 

  58.     void initIfNeeded() noexcept

  59.     {

  60.         if (! fNeedsInit)

  61.             return;

  62. 

  63.         fNeedsInit = false;

  64. 

  65.         try {

  66.             carla_register_all_native_plugins();

  67.         } CARLA_SAFE_EXCEPTION("carla_register_all_native_plugins")

  68.     }

  69. 

  70. private:

  71.     bool fNeedsInit;

  72. 

  73. } sPluginInitializer;

  74. 

  75. // -----------------------------------------------------------------------

  76. 

  77. std::size_t carla_getNativePluginCount() noexcept

  78. {

  79.     sPluginInitializer.initIfNeeded();

  80.     return gPluginDescriptors.count();

  81. }

  82. 

  83. const NativePluginDescriptor* carla_getNativePluginDescriptor(const std::size_t index) noexcept

  84. {

  85.     sPluginInitializer.initIfNeeded();

  86.     return gPluginDescriptors.getAt(index, nullptr);

  87. }

  88. 

  89. // -----------------------------------------------------------------------

  90. 

  91. CARLA_BACKEND_START_NAMESPACE

  92. 

  93. // -----------------------------------------------------------------------

  94. 

  95. struct NativePluginMidiData {

  96.     uint32_t  count;

  97.     uint32_t* indexes;

  98.     CarlaEngineEventPort** ports;

  99. 

  100.     NativePluginMidiData() noexcept

  101.         : count(0),

  102.           indexes(nullptr),

  103.           ports(nullptr) {}

  104. 

  105.     ~NativePluginMidiData() noexcept

  106.     {

  107.         CARLA_SAFE_ASSERT_INT(count == 0, count);

  108.         CARLA_SAFE_ASSERT(indexes == nullptr);

  109.         CARLA_SAFE_ASSERT(ports == nullptr);

  110.     }

  111. 

  112.     void createNew(const uint32_t newCount)

  113.     {

  114.         CARLA_SAFE_ASSERT_INT(count == 0, count);

  115.         CARLA_SAFE_ASSERT_RETURN(indexes == nullptr,);

  116.         CARLA_SAFE_ASSERT_RETURN(ports == nullptr,);

  117.         CARLA_SAFE_ASSERT_RETURN(newCount > 0,);

  118. 

  119.         indexes = new uint32_t[newCount];

  120.         ports   = new CarlaEngineEventPort*[newCount];

  121.         count   = newCount;

  122. 

  123.         for (uint32_t i=0; i < newCount; ++i)

  124.             indexes[i] = 0;

  125. 

  126.         for (uint32_t i=0; i < newCount; ++i)

  127.             ports[i] = nullptr;

  128.     }

  129. 

  130.     void clear() noexcept

  131.     {

  132.         if (ports != nullptr)

  133.         {

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

  135.             {

  136.                 if (ports[i] != nullptr)

  137.                 {

  138.                     delete ports[i];

  139.                     ports[i] = nullptr;

  140.                 }

  141.             }

  142. 

  143.             delete[] ports;

  144.             ports = nullptr;

  145.         }

  146. 

  147.         if (indexes != nullptr)

  148.         {

  149.             delete[] indexes;

  150.             indexes = nullptr;

  151.         }

  152. 

  153.         count = 0;

  154.     }

  155. 

  156.     void initBuffers() const noexcept

  157.     {

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

  159.         {

  160.             if (ports[i] != nullptr)

  161.                 ports[i]->initBuffer();

  162.         }

  163.     }

  164. 

  165.     CARLA_DECLARE_NON_COPY_STRUCT(NativePluginMidiData)

  166. };

  167. 

  168. // -----------------------------------------------------

  169. 

  170. class CarlaPluginNative : public CarlaPlugin

  171. {

  172. public:

  173.     CarlaPluginNative(CarlaEngine* const engine, const uint id)

  174.         : CarlaPlugin(engine, id),

  175.           fHandle(nullptr),

  176.           fHandle2(nullptr),

  177.           fHost(),

  178.           fDescriptor(nullptr),

  179.           fIsProcessing(false),

  180.           fIsUiVisible(false),

  181.           fAudioInBuffers(nullptr),

  182.           fAudioOutBuffers(nullptr),

  183.           fMidiEventCount(0),

  184.           fMidiIn(),

  185.           fMidiOut(),

  186.           fTimeInfo(),

  187.           leakDetector_CarlaPluginNative()

  188.     {

  189.         carla_debug("CarlaPluginNative::CarlaPluginNative(%p, %i)", engine, id);

  190. 

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

  192.         carla_zeroStruct<NativeMidiEvent>(fMidiEvents, kPluginMaxMidiEvents*2);

  193.         carla_zeroStruct<NativeTimeInfo>(fTimeInfo);

  194. 

  195.         fHost.handle      = this;

  196.         fHost.resourceDir = carla_strdup(engine->getOptions().resourceDir);

  197.         fHost.uiName      = nullptr;

  198.         fHost.uiParentId  = engine->getOptions().frontendWinId;

  199. 

  200.         fHost.get_buffer_size        = carla_host_get_buffer_size;

  201.         fHost.get_sample_rate        = carla_host_get_sample_rate;

  202.         fHost.is_offline             = carla_host_is_offline;

  203.         fHost.get_time_info          = carla_host_get_time_info;

  204.         fHost.write_midi_event       = carla_host_write_midi_event;

  205.         fHost.ui_parameter_changed   = carla_host_ui_parameter_changed;

  206.         fHost.ui_custom_data_changed = carla_host_ui_custom_data_changed;

  207.         fHost.ui_closed              = carla_host_ui_closed;

  208.         fHost.ui_open_file           = carla_host_ui_open_file;

  209.         fHost.ui_save_file           = carla_host_ui_save_file;

  210.         fHost.dispatcher             = carla_host_dispatcher;

  211.     }

  212. 

  213.     ~CarlaPluginNative() override

  214.     {

  215.         carla_debug("CarlaPluginNative::~CarlaPluginNative()");

  216. 

  217.         // close UI

  218.         if (pData->hints & PLUGIN_HAS_CUSTOM_UI)

  219.         {

  220.             if (fIsUiVisible && fDescriptor != nullptr && fDescriptor->ui_show != nullptr && fHandle != nullptr)

  221.                 fDescriptor->ui_show(fHandle, false);

  222. 

  223.             pData->transientTryCounter = 0;

  224.         }

  225. 

  226.         pData->singleMutex.lock();

  227.         pData->masterMutex.lock();

  228. 

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

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

  231. 

  232.         CARLA_ASSERT(! fIsProcessing);

  233. 

  234.         if (pData->active)

  235.         {

  236.             deactivate();

  237.             pData->active = false;

  238.         }

  239. 

  240.         if (fDescriptor != nullptr)

  241.         {

  242.             if (fDescriptor->cleanup != nullptr)

  243.             {

  244.                 if (fHandle != nullptr)

  245.                     fDescriptor->cleanup(fHandle);

  246.                 if (fHandle2 != nullptr)

  247.                     fDescriptor->cleanup(fHandle2);

  248.             }

  249. 

  250.             fHandle  = nullptr;

  251.             fHandle2 = nullptr;

  252.             fDescriptor = nullptr;

  253.         }

  254. 

  255.         if (fHost.resourceDir != nullptr)

  256.         {

  257.             delete[] fHost.resourceDir;

  258.             fHost.resourceDir = nullptr;

  259.         }

  260. 

  261.         if (fHost.uiName != nullptr)

  262.         {

  263.             delete[] fHost.uiName;

  264.             fHost.uiName = nullptr;

  265.         }

  266. 

  267.         clearBuffers();

  268.     }

  269. 

  270.     // -------------------------------------------------------------------

  271.     // Information (base)

  272. 

  273.     PluginType getType() const noexcept override

  274.     {

  275.         return PLUGIN_INTERNAL;

  276.     }

  277. 

  278.     PluginCategory getCategory() const noexcept override

  279.     {

  280.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr, PLUGIN_CATEGORY_NONE);

  281. 

  282.         return static_cast<PluginCategory>(fDescriptor->category);

  283.     }

  284. 

  285.     // -------------------------------------------------------------------

  286.     // Information (count)

  287. 

  288.     uint32_t getMidiInCount() const noexcept override

  289.     {

  290.         return fMidiIn.count;

  291.     }

  292. 

  293.     uint32_t getMidiOutCount() const noexcept override

  294.     {

  295.         return fMidiOut.count;

  296.     }

  297. 

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

  299.     {

  300.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr, 0);

  301.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->get_parameter_info != nullptr, 0);

  302.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr, 0);

  303.         CARLA_SAFE_ASSERT_RETURN(parameterId < pData->param.count, 0);

  304. 

  305.         // FIXME - try

  306.         if (const NativeParameter* const param = fDescriptor->get_parameter_info(fHandle, parameterId))

  307.             return param->scalePointCount;

  308. 

  309.         carla_safe_assert("const Parameter* const param = fDescriptor->get_parameter_info(fHandle, parameterId)", __FILE__, __LINE__);

  310.         return 0;

  311.     }

  312. 

  313.     // -------------------------------------------------------------------

  314.     // Information (current data)

  315. 

  316.     // nothing

  317. 

  318.     // -------------------------------------------------------------------

  319.     // Information (per-plugin data)

  320. 

  321.     uint getOptionsAvailable() const noexcept override

  322.     {

  323.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr, 0x0);

  324.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr, 0);

  325. 

  326.         // FIXME - try

  327.         const bool hasMidiProgs(fDescriptor->get_midi_program_count != nullptr && fDescriptor->get_midi_program_count(fHandle) > 0);

  328. 

  329.         uint options = 0x0;

  330. 

  331.         if (hasMidiProgs && (fDescriptor->supports & NATIVE_PLUGIN_SUPPORTS_PROGRAM_CHANGES) == 0)

  332.             options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  333. 

  334.         if (getMidiInCount() == 0 && (fDescriptor->hints & NATIVE_PLUGIN_NEEDS_FIXED_BUFFERS) == 0)

  335.             options |= PLUGIN_OPTION_FIXED_BUFFERS;

  336. 

  337.         if (pData->engine->getProccessMode() != ENGINE_PROCESS_MODE_CONTINUOUS_RACK)

  338.         {

  339.             if (pData->options & PLUGIN_OPTION_FORCE_STEREO)

  340.                 options |= PLUGIN_OPTION_FORCE_STEREO;

  341.             else if (pData->audioIn.count <= 1 && pData->audioOut.count <= 1 && (pData->audioIn.count != 0 || pData->audioOut.count != 0))

  342.                 options |= PLUGIN_OPTION_FORCE_STEREO;

  343.         }

  344. 

  345.         if (fDescriptor->supports & NATIVE_PLUGIN_SUPPORTS_CONTROL_CHANGES)

  346.             options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  347.         if (fDescriptor->supports & NATIVE_PLUGIN_SUPPORTS_CHANNEL_PRESSURE)

  348.             options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  349.         if (fDescriptor->supports & NATIVE_PLUGIN_SUPPORTS_NOTE_AFTERTOUCH)

  350.             options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  351.         if (fDescriptor->supports & NATIVE_PLUGIN_SUPPORTS_PITCHBEND)

  352.             options |= PLUGIN_OPTION_SEND_PITCHBEND;

  353.         if (fDescriptor->supports & NATIVE_PLUGIN_SUPPORTS_ALL_SOUND_OFF)

  354.             options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  355. 

  356.         return options;

  357.     }

  358. 

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

  360.     {

  361.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr, 0.0f);

  362.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->get_parameter_value != nullptr, 0.0f);

  363.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr, 0.0f);

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

  365. 

  366.         // FIXME - try

  367.         return fDescriptor->get_parameter_value(fHandle, parameterId);

  368.     }

  369. 

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

  371.     {

  372.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr, 0.0f);

  373.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->get_parameter_info != nullptr, 0.0f);

  374.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr, 0.0f);

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

  376. 

  377.         // FIXME - try

  378.         if (const NativeParameter* const param = fDescriptor->get_parameter_info(fHandle, parameterId))

  379.         {

  380.             CARLA_SAFE_ASSERT_RETURN(scalePointId < param->scalePointCount, 0.0f);

  381. 

  382.             const NativeParameterScalePoint* scalePoint(&param->scalePoints[scalePointId]);

  383.             return scalePoint->value;

  384.         }

  385. 

  386.         carla_safe_assert("const Parameter* const param = fDescriptor->get_parameter_info(fHandle, parameterId)", __FILE__, __LINE__);

  387.         return 0.0f;

  388.     }

  389. 

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

  391.     {

  392.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  393. 

  394.         if (fDescriptor->label != nullptr)

  395.         {

  396.             std::strncpy(strBuf, fDescriptor->label, STR_MAX);

  397.             return;

  398.         }

  399. 

  400.         CarlaPlugin::getLabel(strBuf);

  401.     }

  402. 

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

  404.     {

  405.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  406. 

  407.         if (fDescriptor->maker != nullptr)

  408.         {

  409.             std::strncpy(strBuf, fDescriptor->maker, STR_MAX);

  410.             return;

  411.         }

  412. 

  413.         CarlaPlugin::getMaker(strBuf);

  414.     }

  415. 

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

  417.     {

  418.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  419. 

  420.         if (fDescriptor->copyright != nullptr)

  421.         {

  422.             std::strncpy(strBuf, fDescriptor->copyright, STR_MAX);

  423.             return;

  424.         }

  425. 

  426.         CarlaPlugin::getCopyright(strBuf);

  427.     }

  428. 

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

  430.     {

  431.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  432. 

  433.         if (fDescriptor->name != nullptr)

  434.         {

  435.             std::strncpy(strBuf, fDescriptor->name, STR_MAX);

  436.             return;

  437.         }

  438. 

  439.         CarlaPlugin::getRealName(strBuf);

  440.     }

  441. 

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

  443.     {

  444.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  445.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->get_parameter_info != nullptr,);

  446.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  448. 

  449.         // FIXME - try

  450.         if (const NativeParameter* const param = fDescriptor->get_parameter_info(fHandle, parameterId))

  451.         {

  452.             if (param->name != nullptr)

  453.             {

  454.                 std::strncpy(strBuf, param->name, STR_MAX);

  455.                 return;

  456.             }

  457. 

  458.             carla_safe_assert("param->name != nullptr", __FILE__, __LINE__);

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

  460.         }

  461. 

  462.         carla_safe_assert("const Parameter* const param = fDescriptor->get_parameter_info(fHandle, parameterId)", __FILE__, __LINE__);

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

  464.     }

  465. 

  466.     void getParameterText(const uint32_t parameterId, char* const strBuf) const noexcept override

  467.     {

  468.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  469.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->get_parameter_text != nullptr,);

  470.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->get_parameter_value != nullptr,);

  471.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  473. 

  474.         // FIXME - try

  475.         if (const char* const text = fDescriptor->get_parameter_text(fHandle, parameterId /*, fDescriptor->get_parameter_value(fHandle, parameterId)*/))

  476.         {

  477.             std::strncpy(strBuf, text, STR_MAX);

  478.             return;

  479.         }

  480. 

  481.         carla_safe_assert("const char* const text = fDescriptor->get_parameter_text(fHandle, parameterId, value)", __FILE__, __LINE__);

  482.         CarlaPlugin::getParameterText(parameterId, strBuf);

  483.     }

  484. 

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

  486.     {

  487.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  488.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->get_parameter_info != nullptr,);

  489.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  491. 

  492.         // FIXME - try

  493.         if (const NativeParameter* const param = fDescriptor->get_parameter_info(fHandle, parameterId))

  494.         {

  495.             if (param->unit != nullptr)

  496.             {

  497.                 std::strncpy(strBuf, param->unit, STR_MAX);

  498.                 return;

  499.             }

  500. 

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

  502.         }

  503. 

  504.         carla_safe_assert("const Parameter* const param = fDescriptor->get_parameter_info(fHandle, parameterId)", __FILE__, __LINE__);

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

  506.     }

  507. 

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

  509.     {

  510.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  511.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->get_parameter_info != nullptr,);

  512.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  514. 

  515.         // FIXME - try

  516.         if (const NativeParameter* const param = fDescriptor->get_parameter_info(fHandle, parameterId))

  517.         {

  518.             CARLA_SAFE_ASSERT_RETURN(scalePointId < param->scalePointCount,);

  519. 

  520.             const NativeParameterScalePoint* scalePoint(&param->scalePoints[scalePointId]);

  521. 

  522.             if (scalePoint->label != nullptr)

  523.             {

  524.                 std::strncpy(strBuf, scalePoint->label, STR_MAX);

  525.                 return;

  526.             }

  527. 

  528.             carla_safe_assert("scalePoint->label != nullptr", __FILE__, __LINE__);

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

  530.         }

  531. 

  532.         carla_safe_assert("const Parameter* const param = fDescriptor->get_parameter_info(fHandle, parameterId)", __FILE__, __LINE__);

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

  534.     }

  535. 

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

  537.     // Set data (state)

  538. 

  539.     void prepareForSave() override

  540.     {

  541.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  542.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  543. 

  544.         if (pData->midiprog.count > 0 && fDescriptor->category == NATIVE_PLUGIN_CATEGORY_SYNTH)

  545.         {

  546.             char strBuf[STR_MAX+1];

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

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

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

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

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

  552.             strBuf[STR_MAX] = '\0';

  553. 

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

  555.         }

  556. 

  557.         if (fDescriptor == nullptr || fDescriptor->get_state == nullptr || (fDescriptor->hints & NATIVE_PLUGIN_USES_STATE) == 0)

  558.             return;

  559. 

  560.         if (char* data = fDescriptor->get_state(fHandle))

  561.         {

  562.             CarlaPlugin::setCustomData(CUSTOM_DATA_TYPE_CHUNK, "State", data, false);

  563.             std::free(data);

  564.         }

  565.     }

  566. 

  567.     // -------------------------------------------------------------------

  568.     // Set data (internal stuff)

  569. 

  570.     void setName(const char* const newName) override

  571.     {

  572.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  573.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  574.         CARLA_SAFE_ASSERT_RETURN(newName != nullptr && newName[0] != '\0',);

  575. 

  576.         char uiName[std::strlen(newName)+6+1];

  577.         std::strcpy(uiName, newName);

  578.         std::strcat(uiName, " (GUI)");

  579. 

  580.         if (fHost.uiName != nullptr)

  581.             delete[] fHost.uiName;

  582.         fHost.uiName = carla_strdup(uiName);

  583. 

  584.         if (fDescriptor->dispatcher != nullptr)

  585.             fDescriptor->dispatcher(fHandle, NATIVE_PLUGIN_OPCODE_UI_NAME_CHANGED, 0, 0, uiName, 0.0f);

  586. 

  587.         CarlaPlugin::setName(newName);

  588.     }

  589. 

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

  591.     {

  592.         if (channel >= 0 && channel < MAX_MIDI_CHANNELS && pData->midiprog.count > 0)

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

  594. 

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

  596.     }

  597. 

  598.     // -------------------------------------------------------------------

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

  600. 

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

  602.     {

  603.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  604.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->set_parameter_value != nullptr,);

  605.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  607. 

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

  609. 

  610.         // FIXME - try

  611.         fDescriptor->set_parameter_value(fHandle, parameterId, fixedValue);

  612. 

  613.         if (fHandle2 != nullptr)

  614.             fDescriptor->set_parameter_value(fHandle2, parameterId, fixedValue);

  615. 

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

  617.     }

  618. 

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

  620.     {

  621.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  622.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

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

  625.         CARLA_SAFE_ASSERT_RETURN(value != nullptr,);

  626.         carla_debug("CarlaPluginNative::setCustomData(%s, %s, %s, %s)", type, key, value, bool2str(sendGui));

  627. 

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

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

  630. 

  631.         if (std::strcmp(type, CUSTOM_DATA_TYPE_STRING) != 0 && std::strcmp(type, CUSTOM_DATA_TYPE_CHUNK) != 0)

  632.             return carla_stderr2("CarlaPluginNative::setCustomData(\"%s\", \"%s\", \"%s\", %s) - type is invalid", type, key, value, bool2str(sendGui));

  633. 

  634.         if (std::strcmp(type, CUSTOM_DATA_TYPE_CHUNK) == 0)

  635.         {

  636.             if (fDescriptor->set_state != nullptr && (fDescriptor->hints & NATIVE_PLUGIN_USES_STATE) != 0)

  637.             {

  638.                 const ScopedSingleProcessLocker spl(this, true);

  639. 

  640.                 fDescriptor->set_state(fHandle, value);

  641. 

  642.                 if (fHandle2 != nullptr)

  643.                     fDescriptor->set_state(fHandle2, value);

  644.             }

  645.         }

  646.         else if (std::strcmp(key, "midiPrograms") == 0 && fDescriptor->set_midi_program != nullptr)

  647.         {

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

  649. 

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

  651.             {

  652.                 uint8_t channel = 0;

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

  654.                 {

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

  656. 

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

  658.                     {

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

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

  661. 

  662.                         fDescriptor->set_midi_program(fHandle, channel, bank, program);

  663. 

  664.                         if (fHandle2 != nullptr)

  665.                             fDescriptor->set_midi_program(fHandle2, channel, bank, program);

  666. 

  667.                         fCurMidiProgs[channel] = index;

  668. 

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

  670.                         {

  671.                             pData->midiprog.current = index;

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

  673.                         }

  674.                     }

  675. 

  676.                     ++channel;

  677.                 }

  678.                 CARLA_SAFE_ASSERT(channel == MAX_MIDI_CHANNELS);

  679.             }

  680.         }

  681.         else

  682.         {

  683.             if (fDescriptor->set_custom_data != nullptr)

  684.             {

  685.                 fDescriptor->set_custom_data(fHandle, key, value);

  686. 

  687.                 if (fHandle2 != nullptr)

  688.                     fDescriptor->set_custom_data(fHandle2, key, value);

  689.             }

  690. 

  691.             if (sendGui && fIsUiVisible && fDescriptor->ui_set_custom_data != nullptr)

  692.                 fDescriptor->ui_set_custom_data(fHandle, key, value);

  693.         }

  694. 

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

  696.     }

  697. 

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

  699.     {

  700.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  701.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  703. 

  704.         // TODO, put into check below

  705.         if ((pData->hints & PLUGIN_IS_SYNTH) != 0 && (pData->ctrlChannel < 0 || pData->ctrlChannel >= MAX_MIDI_CHANNELS))

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

  707. 

  708.         if (index >= 0)

  709.         {

  710.             const uint8_t  channel = uint8_t((pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS) ? pData->ctrlChannel : 0);

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

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

  713. 

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

  715. 

  716.             try {

  717.                 fDescriptor->set_midi_program(fHandle, channel, bank, program);

  718.             } catch(...) {}

  719. 

  720.             if (fHandle2 != nullptr)

  721.             {

  722.                 try {

  723.                     fDescriptor->set_midi_program(fHandle2, channel, bank, program);

  724.                 } catch(...) {}

  725.             }

  726. 

  727.             fCurMidiProgs[channel] = index;

  728.         }

  729. 

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

  731.     }

  732. 

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

  734.     // Set ui stuff

  735. 

  736.     void showCustomUI(const bool yesNo) override

  737.     {

  738.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  739.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  740. 

  741.         if (fDescriptor->ui_show == nullptr)

  742.             return;

  743. 

  744.         const bool oldIsUiVisible(fIsUiVisible);

  745. 

  746.         fDescriptor->ui_show(fHandle, yesNo);

  747. 

  748.         // UI might not be available, see NATIVE_HOST_OPCODE_UI_UNAVAILABLE

  749.         if (fIsUiVisible == yesNo || fIsUiVisible != oldIsUiVisible)

  750.             return;

  751. 

  752.         fIsUiVisible = yesNo;

  753. 

  754.         if (! yesNo)

  755.         {

  756.             pData->transientTryCounter = 0;

  757.             return;

  758.         }

  759. 

  760. #ifndef BUILD_BRIDGE

  761.         if ((fDescriptor->hints & NATIVE_PLUGIN_USES_PARENT_ID) == 0 && std::strstr(fDescriptor->label, "file") == nullptr)

  762.             pData->tryTransient();

  763. #endif

  764. 

  765.         if (fDescriptor->ui_set_custom_data != nullptr)

  766.         {

  767.             for (LinkedList<CustomData>::Itenerator it = pData->custom.begin(); it.valid(); it.next())

  768.             {

  769.                 const CustomData& cData(it.getValue());

  770. 

  771.                 if (std::strcmp(cData.type, CUSTOM_DATA_TYPE_STRING) == 0 && std::strcmp(cData.key, "midiPrograms") != 0)

  772.                     fDescriptor->ui_set_custom_data(fHandle, cData.key, cData.value);

  773.             }

  774.         }

  775. 

  776.         if (fDescriptor->ui_set_midi_program != nullptr && pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  777.         {

  778.             const int32_t  index   = pData->midiprog.current;

  779.             const uint8_t  channel = uint8_t((pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS) ? pData->ctrlChannel : 0);

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

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

  782. 

  783.             fDescriptor->ui_set_midi_program(fHandle, channel, bank, program);

  784.         }

  785. 

  786.         if (fDescriptor->ui_set_parameter_value != nullptr)

  787.         {

  788.             for (uint32_t i=0; i < pData->param.count; ++i)

  789.                 fDescriptor->ui_set_parameter_value(fHandle, i, fDescriptor->get_parameter_value(fHandle, i));

  790.         }

  791.     }

  792. 

  793.     void uiIdle() override

  794.     {

  795.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  796.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  797. 

  798.         if (fIsUiVisible && fDescriptor->ui_idle != nullptr)

  799.             fDescriptor->ui_idle(fHandle);

  800. 

  801.         CarlaPlugin::uiIdle();

  802.     }

  803. 

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

  805.     // Plugin state

  806. 

  807.     void reload() override

  808.     {

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

  810.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  811.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  812.         carla_debug("CarlaPluginNative::reload() - start");

  813. 

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

  815. 

  816.         // Safely disable plugin for reload

  817.         const ScopedDisabler sd(this);

  818. 

  819.         if (pData->active)

  820.             deactivate();

  821. 

  822.         clearBuffers();

  823. 

  824.         const float sampleRate((float)pData->engine->getSampleRate());

  825. 

  826.         uint32_t aIns, aOuts, mIns, mOuts, params, j;

  827. 

  828.         bool forcedStereoIn, forcedStereoOut;

  829.         forcedStereoIn = forcedStereoOut = false;

  830. 

  831.         bool needsCtrlIn, needsCtrlOut;

  832.         needsCtrlIn = needsCtrlOut = false;

  833. 

  834.         aIns   = fDescriptor->audioIns;

  835.         aOuts  = fDescriptor->audioOuts;

  836.         mIns   = fDescriptor->midiIns;

  837.         mOuts  = fDescriptor->midiOuts;

  838.         params = (fDescriptor->get_parameter_count != nullptr && fDescriptor->get_parameter_info != nullptr) ? fDescriptor->get_parameter_count(fHandle) : 0;

  839. 

  840.         if ((pData->options & PLUGIN_OPTION_FORCE_STEREO) != 0 && (aIns == 1 || aOuts == 1) && mIns <= 1 && mOuts <= 1)

  841.         {

  842.             if (fHandle2 == nullptr)

  843.                 fHandle2 = fDescriptor->instantiate(&fHost);

  844. 

  845.             if (fHandle2 != nullptr)

  846.             {

  847.                 if (aIns == 1)

  848.                 {

  849.                     aIns = 2;

  850.                     forcedStereoIn = true;

  851.                 }

  852. 

  853.                 if (aOuts == 1)

  854.                 {

  855.                     aOuts = 2;

  856.                     forcedStereoOut = true;

  857.                 }

  858.             }

  859.         }

  860. 

  861.         if (aIns > 0)

  862.         {

  863.             pData->audioIn.createNew(aIns);

  864.             fAudioInBuffers = new float*[aIns];

  865. 

  866.             for (uint32_t i=0; i < aIns; ++i)

  867.                 fAudioInBuffers[i] = nullptr;

  868.         }

  869. 

  870.         if (aOuts > 0)

  871.         {

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

  873.             fAudioOutBuffers = new float*[aOuts];

  874.             needsCtrlIn = true;

  875. 

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

  877.                 fAudioOutBuffers[i] = nullptr;

  878.         }

  879. 

  880.         if (mIns > 0)

  881.         {

  882.             fMidiIn.createNew(mIns);

  883.             needsCtrlIn = (mIns == 1);

  884.         }

  885. 

  886.         if (mOuts > 0)

  887.         {

  888.             fMidiOut.createNew(mOuts);

  889.             needsCtrlOut = (mOuts == 1);

  890.         }

  891. 

  892.         if (params > 0)

  893.         {

  894.             pData->param.createNew(params, true);

  895.         }

  896. 

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

  898.         CarlaString portName;

  899. 

  900.         // Audio Ins

  901.         for (j=0; j < aIns; ++j)

  902.         {

  903.             portName.clear();

  904. 

  905.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  906.             {

  907.                 portName  = pData->name;

  908.                 portName += ":";

  909.             }

  910. 

  911.             if (aIns > 1 && ! forcedStereoIn)

  912.             {

  913.                 portName += "input_";

  914.                 portName += CarlaString(j+1);

  915.             }

  916.             else

  917.                 portName += "input";

  918. 

  919.             portName.truncate(portNameSize);

  920. 

  921.             pData->audioIn.ports[j].port   = (CarlaEngineAudioPort*)pData->client->addPort(kEnginePortTypeAudio, portName, true);

  922.             pData->audioIn.ports[j].rindex = j;

  923. 

  924.             if (forcedStereoIn)

  925.             {

  926.                 portName += "_2";

  927.                 pData->audioIn.ports[1].port   = (CarlaEngineAudioPort*)pData->client->addPort(kEnginePortTypeAudio, portName, true);

  928.                 pData->audioIn.ports[1].rindex = j;

  929.                 break;

  930.             }

  931.         }

  932. 

  933.         // Audio Outs

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

  935.         {

  936.             portName.clear();

  937. 

  938.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  939.             {

  940.                 portName  = pData->name;

  941.                 portName += ":";

  942.             }

  943. 

  944.             if (aOuts > 1 && ! forcedStereoOut)

  945.             {

  946.                 portName += "output_";

  947.                 portName += CarlaString(j+1);

  948.             }

  949.             else

  950.                 portName += "output";

  951. 

  952.             portName.truncate(portNameSize);

  953. 

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

  955.             pData->audioOut.ports[j].rindex = j;

  956. 

  957.             if (forcedStereoOut)

  958.             {

  959.                 portName += "_2";

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

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

  962.                 break;

  963.             }

  964.         }

  965. 

  966.         // MIDI Input (only if multiple)

  967.         if (mIns > 1)

  968.         {

  969.             for (j=0; j < mIns; ++j)

  970.             {

  971.                 portName.clear();

  972. 

  973.                 if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  974.                 {

  975.                     portName  = pData->name;

  976.                     portName += ":";

  977.                 }

  978. 

  979.                 portName += "midi-in_";

  980.                 portName += CarlaString(j+1);

  981.                 portName.truncate(portNameSize);

  982. 

  983.                 fMidiIn.ports[j]   = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, true);

  984.                 fMidiIn.indexes[j] = j;

  985.             }

  986.         }

  987. 

  988.         // MIDI Output (only if multiple)

  989.         if (mOuts > 1)

  990.         {

  991.             for (j=0; j < mOuts; ++j)

  992.             {

  993.                 portName.clear();

  994. 

  995.                 if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  996.                 {

  997.                     portName  = pData->name;

  998.                     portName += ":";

  999.                 }

  1000. 

  1001.                 portName += "midi-out_";

  1002.                 portName += CarlaString(j+1);

  1003.                 portName.truncate(portNameSize);

  1004. 

  1005.                 fMidiOut.ports[j]   = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, false);

  1006.                 fMidiOut.indexes[j] = j;

  1007.             }

  1008.         }

  1009. 

  1010.         for (j=0; j < params; ++j)

  1011.         {

  1012.             const NativeParameter* const paramInfo(fDescriptor->get_parameter_info(fHandle, j));

  1013. 

  1014.             CARLA_SAFE_ASSERT_CONTINUE(paramInfo != nullptr);

  1015. 

  1016.             pData->param.data[j].type   = PARAMETER_UNKNOWN;

  1017.             pData->param.data[j].index  = static_cast<int32_t>(j);

  1018.             pData->param.data[j].rindex = static_cast<int32_t>(j);

  1019. 

  1020.             float min, max, def, step, stepSmall, stepLarge;

  1021. 

  1022.             // min value

  1023.             min = paramInfo->ranges.min;

  1024. 

  1025.             // max value

  1026.             max = paramInfo->ranges.max;

  1027. 

  1028.             if (min > max)

  1029.                 max = min;

  1030.             else if (max < min)

  1031.                 min = max;

  1032. 

  1033.             if (carla_compareFloats(min, max))

  1034.             {

  1035.                 carla_stderr2("WARNING - Broken plugin parameter '%s': max == min", paramInfo->name);

  1036.                 max = min + 0.1f;

  1037.             }

  1038. 

  1039.             // default value

  1040.             def = paramInfo->ranges.def;

  1041. 

  1042.             if (def < min)

  1043.                 def = min;

  1044.             else if (def > max)

  1045.                 def = max;

  1046. 

  1047.             if (paramInfo->hints & NATIVE_PARAMETER_USES_SAMPLE_RATE)

  1048.             {

  1049.                 min *= sampleRate;

  1050.                 max *= sampleRate;

  1051.                 def *= sampleRate;

  1052.                 pData->param.data[j].hints |= PARAMETER_USES_SAMPLERATE;

  1053.             }

  1054. 

  1055.             if (paramInfo->hints & NATIVE_PARAMETER_IS_BOOLEAN)

  1056.             {

  1057.                 step = max - min;

  1058.                 stepSmall = step;

  1059.                 stepLarge = step;

  1060.                 pData->param.data[j].hints |= PARAMETER_IS_BOOLEAN;

  1061.             }

  1062.             else if (paramInfo->hints & NATIVE_PARAMETER_IS_INTEGER)

  1063.             {

  1064.                 step = 1.0f;

  1065.                 stepSmall = 1.0f;

  1066.                 stepLarge = 10.0f;

  1067.                 pData->param.data[j].hints |= PARAMETER_IS_INTEGER;

  1068.             }

  1069.             else

  1070.             {

  1071.                 float range = max - min;

  1072.                 step = range/100.0f;

  1073.                 stepSmall = range/1000.0f;

  1074.                 stepLarge = range/10.0f;

  1075.             }

  1076. 

  1077.             if (paramInfo->hints & NATIVE_PARAMETER_IS_OUTPUT)

  1078.             {

  1079.                 pData->param.data[j].type = PARAMETER_OUTPUT;

  1080.                 needsCtrlOut = true;

  1081.             }

  1082.             else

  1083.             {

  1084.                 pData->param.data[j].type = PARAMETER_INPUT;

  1085.                 needsCtrlIn = true;

  1086.             }

  1087. 

  1088.             // extra parameter hints

  1089.             if (paramInfo->hints & NATIVE_PARAMETER_IS_ENABLED)

  1090.                 pData->param.data[j].hints |= PARAMETER_IS_ENABLED;

  1091. 

  1092.             if (paramInfo->hints & NATIVE_PARAMETER_IS_AUTOMABLE)

  1093.                 pData->param.data[j].hints |= PARAMETER_IS_AUTOMABLE;

  1094. 

  1095.             if (paramInfo->hints & NATIVE_PARAMETER_IS_LOGARITHMIC)

  1096.                 pData->param.data[j].hints |= PARAMETER_IS_LOGARITHMIC;

  1097. 

  1098.             if (paramInfo->hints & NATIVE_PARAMETER_USES_SCALEPOINTS)

  1099.                 pData->param.data[j].hints |= PARAMETER_USES_SCALEPOINTS;

  1100. 

  1101.             if (paramInfo->hints & NATIVE_PARAMETER_USES_CUSTOM_TEXT)

  1102.                 pData->param.data[j].hints |= PARAMETER_USES_CUSTOM_TEXT;

  1103. 

  1104.             pData->param.ranges[j].min = min;

  1105.             pData->param.ranges[j].max = max;

  1106.             pData->param.ranges[j].def = def;

  1107.             pData->param.ranges[j].step = step;

  1108.             pData->param.ranges[j].stepSmall = stepSmall;

  1109.             pData->param.ranges[j].stepLarge = stepLarge;

  1110.         }

  1111. 

  1112.         if (needsCtrlIn)

  1113.         {

  1114.             portName.clear();

  1115. 

  1116.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1117.             {

  1118.                 portName  = pData->name;

  1119.                 portName += ":";

  1120.             }

  1121. 

  1122.             portName += "events-in";

  1123.             portName.truncate(portNameSize);

  1124. 

  1125.             pData->event.portIn = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, true);

  1126.         }

  1127. 

  1128.         if (needsCtrlOut)

  1129.         {

  1130.             portName.clear();

  1131. 

  1132.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1133.             {

  1134.                 portName  = pData->name;

  1135.                 portName += ":";

  1136.             }

  1137. 

  1138.             portName += "events-out";

  1139.             portName.truncate(portNameSize);

  1140. 

  1141.             pData->event.portOut = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, false);

  1142.         }

  1143. 

  1144.         if (forcedStereoIn || forcedStereoOut)

  1145.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  1146.         else

  1147.             pData->options &= ~PLUGIN_OPTION_FORCE_STEREO;

  1148. 

  1149.         // plugin hints

  1150.         pData->hints = 0x0;

  1151. 

  1152.         if (aOuts > 0 && (aIns == aOuts || aIns == 1))

  1153.             pData->hints |= PLUGIN_CAN_DRYWET;

  1154. 

  1155.         if (aOuts > 0)

  1156.             pData->hints |= PLUGIN_CAN_VOLUME;

  1157. 

  1158.         if (aOuts >= 2 && aOuts % 2 == 0)

  1159.             pData->hints |= PLUGIN_CAN_BALANCE;

  1160. 

  1161.         // native plugin hints

  1162.         if (fDescriptor->hints & NATIVE_PLUGIN_IS_RTSAFE)

  1163.             pData->hints |= PLUGIN_IS_RTSAFE;

  1164.         if (fDescriptor->hints & NATIVE_PLUGIN_IS_SYNTH)

  1165.             pData->hints |= PLUGIN_IS_SYNTH;

  1166.         if (fDescriptor->hints & NATIVE_PLUGIN_HAS_UI)

  1167.             pData->hints |= PLUGIN_HAS_CUSTOM_UI;

  1168.         if (fDescriptor->hints & NATIVE_PLUGIN_NEEDS_FIXED_BUFFERS)

  1169.             pData->hints |= PLUGIN_NEEDS_FIXED_BUFFERS;

  1170.         if (fDescriptor->hints & NATIVE_PLUGIN_NEEDS_UI_MAIN_THREAD)

  1171.             pData->hints |= PLUGIN_NEEDS_UI_MAIN_THREAD;

  1172. 

  1173.         // extra plugin hints

  1174.         pData->extraHints = 0x0;

  1175. 

  1176.         if (aIns <= 2 && aOuts <= 2 && (aIns == aOuts || aIns == 0 || aOuts == 0) && mIns <= 1 && mOuts <= 1)

  1177.             pData->extraHints |= PLUGIN_EXTRA_HINT_CAN_RUN_RACK;

  1178. 

  1179.         if (fDescriptor->hints & NATIVE_PLUGIN_USES_MULTI_PROGS)

  1180.             pData->extraHints |= PLUGIN_EXTRA_HINT_USES_MULTI_PROGS;

  1181. 

  1182.         bufferSizeChanged(pData->engine->getBufferSize());

  1183.         reloadPrograms(true);

  1184. 

  1185.         if (pData->active)

  1186.             activate();

  1187. 

  1188.         carla_debug("CarlaPluginNative::reload() - end");

  1189.     }

  1190. 

  1191.     void reloadPrograms(const bool doInit) override

  1192.     {

  1193.         carla_debug("CarlaPluginNative::reloadPrograms(%s)", bool2str(doInit));

  1194.         uint32_t i, oldCount  = pData->midiprog.count;

  1195.         const int32_t current = pData->midiprog.current;

  1196. 

  1197.         // Delete old programs

  1198.         pData->midiprog.clear();

  1199. 

  1200.         // Query new programs

  1201.         uint32_t count = 0;

  1202.         if (fDescriptor->get_midi_program_count != nullptr && fDescriptor->get_midi_program_info != nullptr && fDescriptor->set_midi_program != nullptr)

  1203.             count = fDescriptor->get_midi_program_count(fHandle);

  1204. 

  1205.         if (count > 0)

  1206.         {

  1207.             pData->midiprog.createNew(count);

  1208. 

  1209.             // Update data

  1210.             for (i=0; i < count; ++i)

  1211.             {

  1212.                 const NativeMidiProgram* const mpDesc(fDescriptor->get_midi_program_info(fHandle, i));

  1213.                 CARLA_SAFE_ASSERT_CONTINUE(mpDesc != nullptr);

  1214. 

  1215.                 pData->midiprog.data[i].bank    = mpDesc->bank;

  1216.                 pData->midiprog.data[i].program = mpDesc->program;

  1217.                 pData->midiprog.data[i].name    = carla_strdup(mpDesc->name);

  1218.             }

  1219.         }

  1220. 

  1221. #if defined(HAVE_LIBLO) && ! defined(BUILD_BRIDGE)

  1222.         // Update OSC Names

  1223.         if (pData->engine->isOscControlRegistered())

  1224.         {

  1225.             pData->engine->oscSend_control_set_midi_program_count(pData->id, count);

  1226. 

  1227.             for (i=0; i < count; ++i)

  1228.                 pData->engine->oscSend_control_set_midi_program_data(pData->id, i, pData->midiprog.data[i].bank, pData->midiprog.data[i].program, pData->midiprog.data[i].name);

  1229.         }

  1230. #endif

  1231. 

  1232.         if (doInit)

  1233.         {

  1234.             if (count > 0)

  1235.                 setMidiProgram(0, false, false, false);

  1236.         }

  1237.         else

  1238.         {

  1239.             // Check if current program is invalid

  1240.             bool programChanged = false;

  1241. 

  1242.             if (count == oldCount+1)

  1243.             {

  1244.                 // one midi program added, probably created by user

  1245.                 pData->midiprog.current = static_cast<int32_t>(oldCount);

  1246.                 programChanged = true;

  1247.             }

  1248.             else if (current < 0 && count > 0)

  1249.             {

  1250.                 // programs exist now, but not before

  1251.                 pData->midiprog.current = 0;

  1252.                 programChanged = true;

  1253.             }

  1254.             else if (current >= 0 && count == 0)

  1255.             {

  1256.                 // programs existed before, but not anymore

  1257.                 pData->midiprog.current = -1;

  1258.                 programChanged = true;

  1259.             }

  1260.             else if (current >= static_cast<int32_t>(count))

  1261.             {

  1262.                 // current midi program > count

  1263.                 pData->midiprog.current = 0;

  1264.                 programChanged = true;

  1265.             }

  1266.             else

  1267.             {

  1268.                 // no change

  1269.                 pData->midiprog.current = current;

  1270.             }

  1271. 

  1272.             if (programChanged)

  1273.                 setMidiProgram(pData->midiprog.current, true, true, true);

  1274. 

  1275.             pData->engine->callback(ENGINE_CALLBACK_RELOAD_PROGRAMS, pData->id, 0, 0, 0.0f, nullptr);

  1276.         }

  1277.     }

  1278. 

  1279.     // -------------------------------------------------------------------

  1280.     // Plugin processing

  1281. 

  1282.     void activate() noexcept override

  1283.     {

  1284.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1285.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  1286. 

  1287.         if (fDescriptor->activate != nullptr)

  1288.         {

  1289.             try {

  1290.                 fDescriptor->activate(fHandle);

  1291.             } catch(...) {}

  1292. 

  1293.             if (fHandle2 != nullptr)

  1294.             {

  1295.                 try {

  1296.                     fDescriptor->activate(fHandle2);

  1297.                 } catch(...) {}

  1298.             }

  1299.         }

  1300.     }

  1301. 

  1302.     void deactivate() noexcept override

  1303.     {

  1304.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1305.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  1306. 

  1307.         if (fDescriptor->deactivate != nullptr)

  1308.         {

  1309.             try {

  1310.                 fDescriptor->deactivate(fHandle);

  1311.             } catch(...) {}

  1312. 

  1313.             if (fHandle2 != nullptr)

  1314.             {

  1315.                 try {

  1316.                     fDescriptor->deactivate(fHandle2);

  1317.                 } catch(...) {}

  1318.             }

  1319.         }

  1320.     }

  1321. 

  1322.     void process(const float** const audioIn, float** const audioOut, const float** const cvIn, float** const cvOut, const uint32_t frames) override

  1323.     {

  1324.         // --------------------------------------------------------------------------------------------------------

  1325.         // Check if active

  1326. 

  1327.         if (! pData->active)

  1328.         {

  1329.             // disable any output sound

  1330.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1331.                 FloatVectorOperations::clear(audioOut[i], static_cast<int>(frames));

  1332.             for (uint32_t i=0; i < pData->cvOut.count; ++i)

  1333.                 FloatVectorOperations::clear(cvOut[i], static_cast<int>(frames));

  1334.             return;

  1335.         }

  1336. 

  1337.         fMidiEventCount = 0;

  1338.         carla_zeroStruct<NativeMidiEvent>(fMidiEvents, kPluginMaxMidiEvents*2);

  1339. 

  1340.         // --------------------------------------------------------------------------------------------------------

  1341.         // Check if needs reset

  1342. 

  1343.         if (pData->needsReset)

  1344.         {

  1345.             if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1346.             {

  1347.                 fMidiEventCount = MAX_MIDI_CHANNELS*2;

  1348. 

  1349.                 for (uint8_t k=0, i=MAX_MIDI_CHANNELS; k < MAX_MIDI_CHANNELS; ++k)

  1350.                 {

  1351.                     fMidiEvents[k].data[0] = uint8_t(MIDI_STATUS_CONTROL_CHANGE | (k & MIDI_CHANNEL_BIT));

  1352.                     fMidiEvents[k].data[1] = MIDI_CONTROL_ALL_NOTES_OFF;

  1353.                     fMidiEvents[k].data[2] = 0;

  1354.                     fMidiEvents[k].size    = 3;

  1355. 

  1356.                     fMidiEvents[k+i].data[0] = uint8_t(MIDI_STATUS_CONTROL_CHANGE | (k & MIDI_CHANNEL_BIT));

  1357.                     fMidiEvents[k+i].data[1] = MIDI_CONTROL_ALL_SOUND_OFF;

  1358.                     fMidiEvents[k+i].data[2] = 0;

  1359.                     fMidiEvents[k+i].size    = 3;

  1360.                 }

  1361.             }

  1362.             else if (pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1363.             {

  1364.                 fMidiEventCount = MAX_MIDI_NOTE;

  1365. 

  1366.                 for (uint8_t k=0; k < MAX_MIDI_NOTE; ++k)

  1367.                 {

  1368.                     fMidiEvents[k].data[0] = uint8_t(MIDI_STATUS_NOTE_OFF | (pData->ctrlChannel & MIDI_CHANNEL_BIT));

  1369.                     fMidiEvents[k].data[1] = k;

  1370.                     fMidiEvents[k].data[2] = 0;

  1371.                     fMidiEvents[k].size    = 3;

  1372.                 }

  1373.             }

  1374. 

  1375.             pData->needsReset = false;

  1376.         }

  1377. 

  1378.         // --------------------------------------------------------------------------------------------------------

  1379.         // Set TimeInfo

  1380. 

  1381.         const EngineTimeInfo& timeInfo(pData->engine->getTimeInfo());

  1382. 

  1383.         fTimeInfo.playing = timeInfo.playing;

  1384.         fTimeInfo.frame   = timeInfo.frame;

  1385.         fTimeInfo.usecs   = timeInfo.usecs;

  1386. 

  1387.         if (timeInfo.valid & EngineTimeInfo::kValidBBT)

  1388.         {

  1389.             fTimeInfo.bbt.valid = true;

  1390. 

  1391.             fTimeInfo.bbt.bar  = timeInfo.bbt.bar;

  1392.             fTimeInfo.bbt.beat = timeInfo.bbt.beat;

  1393.             fTimeInfo.bbt.tick = timeInfo.bbt.tick;

  1394.             fTimeInfo.bbt.barStartTick = timeInfo.bbt.barStartTick;

  1395. 

  1396.             fTimeInfo.bbt.beatsPerBar = timeInfo.bbt.beatsPerBar;

  1397.             fTimeInfo.bbt.beatType    = timeInfo.bbt.beatType;

  1398. 

  1399.             fTimeInfo.bbt.ticksPerBeat   = timeInfo.bbt.ticksPerBeat;

  1400.             fTimeInfo.bbt.beatsPerMinute = timeInfo.bbt.beatsPerMinute;

  1401.         }

  1402.         else

  1403.             fTimeInfo.bbt.valid = false;

  1404. 

  1405.         // --------------------------------------------------------------------------------------------------------

  1406.         // Event Input and Processing

  1407. 

  1408.         if (pData->event.portIn != nullptr)

  1409.         {

  1410.             // ----------------------------------------------------------------------------------------------------

  1411.             // MIDI Input (External)

  1412. 

  1413.             if (pData->extNotes.mutex.tryLock())

  1414.             {

  1415.                 ExternalMidiNote note = { 0, 0, 0 };

  1416. 

  1417.                 for (; fMidiEventCount < kPluginMaxMidiEvents*2 && ! pData->extNotes.data.isEmpty();)

  1418.                 {

  1419.                     note = pData->extNotes.data.getFirst(note, true);

  1420. 

  1421.                     CARLA_SAFE_ASSERT_CONTINUE(note.channel >= 0 && note.channel < MAX_MIDI_CHANNELS);

  1422. 

  1423.                     NativeMidiEvent& nativeEvent(fMidiEvents[fMidiEventCount++]);

  1424. 

  1425.                     nativeEvent.data[0] = uint8_t((note.velo > 0 ? MIDI_STATUS_NOTE_ON : MIDI_STATUS_NOTE_OFF) | (note.channel & MIDI_CHANNEL_BIT));

  1426.                     nativeEvent.data[1] = note.note;

  1427.                     nativeEvent.data[2] = note.velo;

  1428.                     nativeEvent.size    = 3;

  1429.                 }

  1430. 

  1431.                 pData->extNotes.mutex.unlock();

  1432. 

  1433.             } // End of MIDI Input (External)

  1434. 

  1435.             // ----------------------------------------------------------------------------------------------------

  1436.             // Event Input (System)

  1437. 

  1438. #ifndef BUILD_BRIDGE

  1439.             bool allNotesOffSent = false;

  1440. #endif

  1441.             bool sampleAccurate  = (pData->options & PLUGIN_OPTION_FIXED_BUFFERS) == 0;

  1442. 

  1443.             uint32_t startTime  = 0;

  1444.             uint32_t timeOffset = 0;

  1445.             uint32_t nextBankId;

  1446. 

  1447.             if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1448.                 nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1449.             else

  1450.                 nextBankId = 0;

  1451. 

  1452.             for (uint32_t i=0, numEvents=pData->event.portIn->getEventCount(); i < numEvents; ++i)

  1453.             {

  1454.                 const EngineEvent& event(pData->event.portIn->getEvent(i));

  1455. 

  1456.                 if (event.time >= frames)

  1457.                     continue;

  1458. 

  1459.                 CARLA_ASSERT_INT2(event.time >= timeOffset, event.time, timeOffset);

  1460. 

  1461.                 if (event.time > timeOffset && sampleAccurate)

  1462.                 {

  1463.                     if (processSingle(audioIn, audioOut, cvIn, cvOut, event.time - timeOffset, timeOffset))

  1464.                     {

  1465.                         startTime  = 0;

  1466.                         timeOffset = event.time;

  1467. 

  1468.                         if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1469.                             nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1470.                         else

  1471.                             nextBankId = 0;

  1472. 

  1473.                         if (fMidiEventCount > 0)

  1474.                         {

  1475.                             carla_zeroStruct<NativeMidiEvent>(fMidiEvents, fMidiEventCount);

  1476.                             fMidiEventCount = 0;

  1477.                         }

  1478.                     }

  1479.                     else

  1480.                         startTime += timeOffset;

  1481.                 }

  1482. 

  1483.                 // Control change

  1484.                 switch (event.type)

  1485.                 {

  1486.                 case kEngineEventTypeNull:

  1487.                     break;

  1488. 

  1489.                 case kEngineEventTypeControl: {

  1490.                     const EngineControlEvent& ctrlEvent = event.ctrl;

  1491. 

  1492.                     switch (ctrlEvent.type)

  1493.                     {

  1494.                     case kEngineControlEventTypeNull:

  1495.                         break;

  1496. 

  1497.                     case kEngineControlEventTypeParameter: {

  1498. #ifndef BUILD_BRIDGE

  1499.                         // Control backend stuff

  1500.                         if (event.channel == pData->ctrlChannel)

  1501.                         {

  1502.                             float value;

  1503. 

  1504.                             if (MIDI_IS_CONTROL_BREATH_CONTROLLER(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_DRYWET) > 0)

  1505.                             {

  1506.                                 value = ctrlEvent.value;

  1507.                                 setDryWet(value, false, false);

  1508.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_DRYWET, 0, value);

  1509.                             }

  1510. 

  1511.                             if (MIDI_IS_CONTROL_CHANNEL_VOLUME(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_VOLUME) > 0)

  1512.                             {

  1513.                                 value = ctrlEvent.value*127.0f/100.0f;

  1514.                                 setVolume(value, false, false);

  1515.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_VOLUME, 0, value);

  1516.                             }

  1517. 

  1518.                             if (MIDI_IS_CONTROL_BALANCE(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_BALANCE) > 0)

  1519.                             {

  1520.                                 float left, right;

  1521.                                 value = ctrlEvent.value/0.5f - 1.0f;

  1522. 

  1523.                                 if (value < 0.0f)

  1524.                                 {

  1525.                                     left  = -1.0f;

  1526.                                     right = (value*2.0f)+1.0f;

  1527.                                 }

  1528.                                 else if (value > 0.0f)

  1529.                                 {

  1530.                                     left  = (value*2.0f)-1.0f;

  1531.                                     right = 1.0f;

  1532.                                 }

  1533.                                 else

  1534.                                 {

  1535.                                     left  = -1.0f;

  1536.                                     right = 1.0f;

  1537.                                 }

  1538. 

  1539.                                 setBalanceLeft(left, false, false);

  1540.                                 setBalanceRight(right, false, false);

  1541.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_LEFT, 0, left);

  1542.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_RIGHT, 0, right);

  1543.                             }

  1544.                         }

  1545. #endif

  1546.                         // Control plugin parameters

  1547.                         for (uint32_t k=0; k < pData->param.count; ++k)

  1548.                         {

  1549.                             if (pData->param.data[k].midiChannel != event.channel)

  1550.                                 continue;

  1551.                             if (pData->param.data[k].midiCC != ctrlEvent.param)

  1552.                                 continue;

  1553.                             if (pData->param.data[k].type != PARAMETER_INPUT)

  1554.                                 continue;

  1555.                             if ((pData->param.data[k].hints & PARAMETER_IS_AUTOMABLE) == 0)

  1556.                                 continue;

  1557. 

  1558.                             float value;

  1559. 

  1560.                             if (pData->param.data[k].hints & PARAMETER_IS_BOOLEAN)

  1561.                             {

  1562.                                 value = (ctrlEvent.value < 0.5f) ? pData->param.ranges[k].min : pData->param.ranges[k].max;

  1563.                             }

  1564.                             else

  1565.                             {

  1566.                                 value = pData->param.ranges[k].getUnnormalizedValue(ctrlEvent.value);

  1567. 

  1568.                                 if (pData->param.data[k].hints & PARAMETER_IS_INTEGER)

  1569.                                     value = std::rint(value);

  1570.                             }

  1571. 

  1572.                             setParameterValue(k, value, false, false, false);

  1573.                             pData->postponeRtEvent(kPluginPostRtEventParameterChange, static_cast<int32_t>(k), 0, value);

  1574.                         }

  1575. 

  1576.                         if ((pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0 && ctrlEvent.param < MAX_MIDI_CONTROL)

  1577.                         {

  1578.                             if (fMidiEventCount >= kPluginMaxMidiEvents*2)

  1579.                                 continue;

  1580. 

  1581.                             NativeMidiEvent& nativeEvent(fMidiEvents[fMidiEventCount++]);

  1582.                             carla_zeroStruct(nativeEvent);

  1583. 

  1584.                             nativeEvent.time    = sampleAccurate ? startTime : event.time;

  1585.                             nativeEvent.data[0] = uint8_t(MIDI_STATUS_CONTROL_CHANGE | (event.channel & MIDI_CHANNEL_BIT));

  1586.                             nativeEvent.data[1] = uint8_t(ctrlEvent.param);

  1587.                             nativeEvent.data[2] = uint8_t(ctrlEvent.value*127.0f);

  1588.                             nativeEvent.size    = 3;

  1589.                         }

  1590.                         break;

  1591.                     }

  1592. 

  1593.                     case kEngineControlEventTypeMidiBank:

  1594.                         if (event.channel == pData->ctrlChannel && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1595.                             nextBankId = ctrlEvent.param;

  1596.                         break;

  1597. 

  1598.                     case kEngineControlEventTypeMidiProgram:

  1599.                         if (event.channel < MAX_MIDI_CHANNELS && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1600.                         {

  1601.                             const uint32_t nextProgramId(ctrlEvent.param);

  1602. 

  1603.                             for (uint32_t k=0; k < pData->midiprog.count; ++k)

  1604.                             {

  1605.                                 if (pData->midiprog.data[k].bank == nextBankId && pData->midiprog.data[k].program == nextProgramId)

  1606.                                 {

  1607.                                     fDescriptor->set_midi_program(fHandle, event.channel, nextBankId, nextProgramId);

  1608. 

  1609.                                     if (fHandle2 != nullptr)

  1610.                                         fDescriptor->set_midi_program(fHandle2, event.channel, nextBankId, nextProgramId);

  1611. 

  1612.                                     fCurMidiProgs[event.channel] = static_cast<int32_t>(k);

  1613. 

  1614.                                     if (event.channel == pData->ctrlChannel)

  1615.                                         pData->postponeRtEvent(kPluginPostRtEventMidiProgramChange, static_cast<int32_t>(k), 0, 0.0f);

  1616. 

  1617.                                     break;

  1618.                                 }

  1619.                             }

  1620.                         }

  1621.                         break;

  1622. 

  1623.                     case kEngineControlEventTypeAllSoundOff:

  1624.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1625.                         {

  1626.                             if (fMidiEventCount >= kPluginMaxMidiEvents*2)

  1627.                                 continue;

  1628. 

  1629.                             NativeMidiEvent& nativeEvent(fMidiEvents[fMidiEventCount++]);

  1630.                             carla_zeroStruct(nativeEvent);

  1631. 

  1632.                             nativeEvent.port    = 0;

  1633.                             nativeEvent.time    = sampleAccurate ? startTime : event.time;

  1634.                             nativeEvent.data[0] = uint8_t(MIDI_STATUS_CONTROL_CHANGE | (event.channel & MIDI_CHANNEL_BIT));

  1635.                             nativeEvent.data[1] = MIDI_CONTROL_ALL_SOUND_OFF;

  1636.                             nativeEvent.data[2] = 0;

  1637.                             nativeEvent.size    = 3;

  1638.                         }

  1639.                         break;

  1640. 

  1641.                     case kEngineControlEventTypeAllNotesOff:

  1642.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1643.                         {

  1644. #ifndef BUILD_BRIDGE

  1645.                             if (event.channel == pData->ctrlChannel && ! allNotesOffSent)

  1646.                             {

  1647.                                 allNotesOffSent = true;

  1648.                                 sendMidiAllNotesOffToCallback();

  1649.                             }

  1650. #endif

  1651. 

  1652.                             if (fMidiEventCount >= kPluginMaxMidiEvents*2)

  1653.                                 continue;

  1654. 

  1655.                             NativeMidiEvent& nativeEvent(fMidiEvents[fMidiEventCount++]);

  1656.                             carla_zeroStruct(nativeEvent);

  1657. 

  1658.                             nativeEvent.time    = sampleAccurate ? startTime : event.time;

  1659.                             nativeEvent.data[0] = uint8_t(MIDI_STATUS_CONTROL_CHANGE | (event.channel & MIDI_CHANNEL_BIT));

  1660.                             nativeEvent.data[1] = MIDI_CONTROL_ALL_NOTES_OFF;

  1661.                             nativeEvent.data[2] = 0;

  1662.                             nativeEvent.size    = 3;

  1663.                         }

  1664.                         break;

  1665.                     }

  1666.                     break;

  1667.                 }

  1668. 

  1669.                 case kEngineEventTypeMidi: {

  1670.                     if (fMidiEventCount >= kPluginMaxMidiEvents*2)

  1671.                         continue;

  1672. 

  1673.                     const EngineMidiEvent& midiEvent(event.midi);

  1674. 

  1675.                     if (midiEvent.size > 4)

  1676.                         continue;

  1677. #ifdef CARLA_PROPER_CPP11_SUPPORT

  1678.                     static_assert(4 <= EngineMidiEvent::kDataSize, "Incorrect data");

  1679. #endif

  1680. 

  1681.                     uint8_t status = uint8_t(MIDI_GET_STATUS_FROM_DATA(midiEvent.data));

  1682. 

  1683.                     if (status == MIDI_STATUS_CHANNEL_PRESSURE && (pData->options & PLUGIN_OPTION_SEND_CHANNEL_PRESSURE) == 0)

  1684.                         continue;

  1685.                     if (status == MIDI_STATUS_CONTROL_CHANGE && (pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) == 0)

  1686.                         continue;

  1687.                     if (status == MIDI_STATUS_POLYPHONIC_AFTERTOUCH && (pData->options & PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH) == 0)

  1688.                         continue;

  1689.                     if (status == MIDI_STATUS_PITCH_WHEEL_CONTROL && (pData->options & PLUGIN_OPTION_SEND_PITCHBEND) == 0)

  1690.                         continue;

  1691. 

  1692.                     // Fix bad note-off

  1693.                     if (status == MIDI_STATUS_NOTE_ON && midiEvent.data[2] == 0)

  1694.                         status = MIDI_STATUS_NOTE_OFF;

  1695. 

  1696.                     NativeMidiEvent& nativeEvent(fMidiEvents[fMidiEventCount++]);

  1697.                     carla_zeroStruct(nativeEvent);

  1698. 

  1699.                     nativeEvent.port = midiEvent.port;

  1700.                     nativeEvent.time = sampleAccurate ? startTime : event.time;

  1701.                     nativeEvent.size = midiEvent.size;

  1702. 

  1703.                     nativeEvent.data[0] = uint8_t(status | (event.channel & MIDI_CHANNEL_BIT));

  1704.                     nativeEvent.data[1] = midiEvent.size >= 2 ? midiEvent.data[1] : 0;

  1705.                     nativeEvent.data[2] = midiEvent.size >= 3 ? midiEvent.data[2] : 0;

  1706.                     nativeEvent.data[3] = midiEvent.size == 4 ? midiEvent.data[3] : 0;

  1707. 

  1708.                     if (status == MIDI_STATUS_NOTE_ON)

  1709.                         pData->postponeRtEvent(kPluginPostRtEventNoteOn, event.channel, midiEvent.data[1], midiEvent.data[2]);

  1710.                     else if (status == MIDI_STATUS_NOTE_OFF)

  1711.                         pData->postponeRtEvent(kPluginPostRtEventNoteOff, event.channel, midiEvent.data[1], 0.0f);

  1712.                 } break;

  1713.                 } // switch (event.type)

  1714.             }

  1715. 

  1716.             pData->postRtEvents.trySplice();

  1717. 

  1718.             if (frames > timeOffset)

  1719.                 processSingle(audioIn, audioOut, cvIn, cvOut, frames - timeOffset, timeOffset);

  1720. 

  1721.         } // End of Event Input and Processing

  1722. 

  1723.         // --------------------------------------------------------------------------------------------------------

  1724.         // Plugin processing (no events)

  1725. 

  1726.         else

  1727.         {

  1728.             processSingle(audioIn, audioOut, cvIn, cvOut, frames, 0);

  1729. 

  1730.         } // End of Plugin processing (no events)

  1731. 

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

  1733.         // Control and MIDI Output

  1734. 

  1735.         if (fMidiOut.count > 0 || pData->event.portOut != nullptr)

  1736.         {

  1737. #ifndef BUILD_BRIDGE

  1738.             float value, curValue;

  1739. 

  1740.             for (uint32_t k=0; k < pData->param.count; ++k)

  1741.             {

  1742.                 if (pData->param.data[k].type != PARAMETER_OUTPUT)

  1743.                     continue;

  1744. 

  1745.                 curValue = fDescriptor->get_parameter_value(fHandle, k);

  1746.                 pData->param.ranges[k].fixValue(curValue);

  1747. 

  1748.                 if (pData->param.data[k].midiCC > 0)

  1749.                 {

  1750.                     value = pData->param.ranges[k].getNormalizedValue(curValue);

  1751.                     pData->event.portOut->writeControlEvent(0, pData->param.data[k].midiChannel, kEngineControlEventTypeParameter, static_cast<uint16_t>(pData->param.data[k].midiCC), value);

  1752.                 }

  1753.             }

  1754. #endif

  1755. 

  1756.             // reverse lookup MIDI events

  1757.             for (uint32_t k = (kPluginMaxMidiEvents*2)-1; k >= fMidiEventCount; --k)

  1758.             {

  1759.                 if (fMidiEvents[k].data[0] == 0)

  1760.                     break;

  1761. 

  1762.                 const uint8_t channel = uint8_t(MIDI_GET_CHANNEL_FROM_DATA(fMidiEvents[k].data));

  1763.                 const uint8_t port    = fMidiEvents[k].port;

  1764. 

  1765.                 if (pData->event.portOut != nullptr)

  1766.                     pData->event.portOut->writeMidiEvent(fMidiEvents[k].time, channel, port, fMidiEvents[k].size, fMidiEvents[k].data);

  1767.                 else if (port < fMidiOut.count)

  1768.                     fMidiOut.ports[port]->writeMidiEvent(fMidiEvents[k].time, channel, port, fMidiEvents[k].size, fMidiEvents[k].data);

  1769.                 else

  1770.                     carla_stdout("MIDI event output port out of bounds!");

  1771.             }

  1772. 

  1773.         } // End of Control and MIDI Output

  1774.     }

  1775. 

  1776.     bool processSingle(const float** const audioIn, float** const audioOut, const float** const cvIn, float** const cvOut, const uint32_t frames, const uint32_t timeOffset)

  1777.     {

  1778.         CARLA_SAFE_ASSERT_RETURN(frames > 0, false);

  1779. 

  1780.         if (pData->audioIn.count > 0)

  1781.         {

  1782.             CARLA_SAFE_ASSERT_RETURN(audioIn != nullptr, false);

  1783.         }

  1784.         if (pData->audioOut.count > 0)

  1785.         {

  1786.             CARLA_SAFE_ASSERT_RETURN(audioOut != nullptr, false);

  1787.         }

  1788.         if (pData->cvIn.count > 0)

  1789.         {

  1790.             CARLA_SAFE_ASSERT_RETURN(cvIn != nullptr, false);

  1791.         }

  1792.         if (pData->cvOut.count > 0)

  1793.         {

  1794.             CARLA_SAFE_ASSERT_RETURN(cvOut != nullptr, false);

  1795.         }

  1796. 

  1797.         // --------------------------------------------------------------------------------------------------------

  1798.         // Try lock, silence otherwise

  1799. 

  1800.         if (pData->engine->isOffline())

  1801.         {

  1802.             pData->singleMutex.lock();

  1803.         }

  1804.         else if (! pData->singleMutex.tryLock())

  1805.         {

  1806.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1807.             {

  1808.                 for (uint32_t k=0; k < frames; ++k)

  1809.                     audioOut[i][k+timeOffset] = 0.0f;

  1810.             }

  1811.             for (uint32_t i=0; i < pData->cvOut.count; ++i)

  1812.             {

  1813.                 for (uint32_t k=0; k < frames; ++k)

  1814.                     cvOut[i][k+timeOffset] = 0.0f;

  1815.             }

  1816. 

  1817.             return false;

  1818.         }

  1819. 

  1820.         // --------------------------------------------------------------------------------------------------------

  1821.         // Set audio buffers

  1822. 

  1823.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1824.             FloatVectorOperations::copy(fAudioInBuffers[i], audioIn[i]+timeOffset, static_cast<int>(frames));

  1825. 

  1826.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1827.             FloatVectorOperations::clear(fAudioOutBuffers[i], static_cast<int>(frames));

  1828. 

  1829. #if 0

  1830.         // --------------------------------------------------------------------------------------------------------

  1831.         // Set CV buffers

  1832. 

  1833.         for (uint32_t i=0; i < pData->cvIn.count; ++i)

  1834.             FloatVectorOperations::copy(fCvInBuffers[i], cvIn[i]+timeOffset, static_cast<int>(frames));

  1835. 

  1836.         for (uint32_t i=0; i < pData->cvOut.count; ++i)

  1837.             FloatVectorOperations::clear(fCvOutBuffers[i], static_cast<int>(frames));

  1838. #endif

  1839. 

  1840.         // --------------------------------------------------------------------------------------------------------

  1841.         // Run plugin

  1842. 

  1843.         fIsProcessing = true;

  1844. 

  1845.         if (fHandle2 == nullptr)

  1846.         {

  1847.             fDescriptor->process(fHandle, fAudioInBuffers, fAudioOutBuffers, frames, fMidiEvents, fMidiEventCount);

  1848.         }

  1849.         else

  1850.         {

  1851.             fDescriptor->process(fHandle,

  1852.                                  (pData->audioIn.count > 0) ? &fAudioInBuffers[0] : nullptr,

  1853.                                  (pData->audioOut.count > 0) ? &fAudioOutBuffers[0] : nullptr,

  1854.                                  frames, fMidiEvents, fMidiEventCount);

  1855. 

  1856.             fDescriptor->process(fHandle2,

  1857.                                  (pData->audioIn.count > 0) ? &fAudioInBuffers[1] : nullptr,

  1858.                                  (pData->audioOut.count > 0) ? &fAudioOutBuffers[1] : nullptr,

  1859.                                  frames, fMidiEvents, fMidiEventCount);

  1860.         }

  1861. 

  1862.         fIsProcessing = false;

  1863.         fTimeInfo.frame += frames;

  1864. 

  1865. #ifndef BUILD_BRIDGE

  1866.         // --------------------------------------------------------------------------------------------------------

  1867.         // Post-processing (dry/wet, volume and balance)

  1868. 

  1869.         {

  1870.             const bool doDryWet  = (pData->hints & PLUGIN_CAN_DRYWET) != 0 && ! carla_compareFloats(pData->postProc.dryWet, 1.0f);

  1871.             const bool doBalance = (pData->hints & PLUGIN_CAN_BALANCE) != 0 && ! (carla_compareFloats(pData->postProc.balanceLeft, -1.0f) && carla_compareFloats(pData->postProc.balanceRight, 1.0f));

  1872. 

  1873.             bool isPair;

  1874.             float bufValue, oldBufLeft[doBalance ? frames : 1];

  1875. 

  1876.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1877.             {

  1878.                 // Dry/Wet

  1879.                 if (doDryWet)

  1880.                 {

  1881.                     for (uint32_t k=0; k < frames; ++k)

  1882.                     {

  1883.                         bufValue = fAudioInBuffers[(pData->audioIn.count == 1) ? 0 : i][k];

  1884.                         fAudioOutBuffers[i][k] = (fAudioOutBuffers[i][k] * pData->postProc.dryWet) + (bufValue * (1.0f - pData->postProc.dryWet));

  1885.                     }

  1886.                 }

  1887. 

  1888.                 // Balance

  1889.                 if (doBalance)

  1890.                 {

  1891.                     isPair = (i % 2 == 0);

  1892. 

  1893.                     if (isPair)

  1894.                     {

  1895.                         CARLA_ASSERT(i+1 < pData->audioOut.count);

  1896.                         FloatVectorOperations::copy(oldBufLeft, fAudioOutBuffers[i], static_cast<int>(frames));

  1897.                     }

  1898. 

  1899.                     float balRangeL = (pData->postProc.balanceLeft  + 1.0f)/2.0f;

  1900.                     float balRangeR = (pData->postProc.balanceRight + 1.0f)/2.0f;

  1901. 

  1902.                     for (uint32_t k=0; k < frames; ++k)

  1903.                     {

  1904.                         if (isPair)

  1905.                         {

  1906.                             // left

  1907.                             fAudioOutBuffers[i][k]  = oldBufLeft[k]            * (1.0f - balRangeL);

  1908.                             fAudioOutBuffers[i][k] += fAudioOutBuffers[i+1][k] * (1.0f - balRangeR);

  1909.                         }

  1910.                         else

  1911.                         {

  1912.                             // right

  1913.                             fAudioOutBuffers[i][k]  = fAudioOutBuffers[i][k] * balRangeR;

  1914.                             fAudioOutBuffers[i][k] += oldBufLeft[k]          * balRangeL;

  1915.                         }

  1916.                     }

  1917.                 }

  1918. 

  1919.                 // Volume (and buffer copy)

  1920.                 {

  1921.                     for (uint32_t k=0; k < frames; ++k)

  1922.                         audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k] * pData->postProc.volume;

  1923.                 }

  1924.             }

  1925. 

  1926.         } // End of Post-processing

  1927. #else

  1928.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1929.         {

  1930.             for (uint32_t k=0; k < frames; ++k)

  1931.                 audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k];

  1932.         }

  1933. #endif

  1934. 

  1935. #if 0

  1936.         for (uint32_t i=0; i < pData->cvOut.count; ++i)

  1937.         {

  1938.             for (uint32_t k=0; k < frames; ++k)

  1939.                 cvOut[i][k+timeOffset] = fCvOutBuffers[i][k];

  1940.         }

  1941. #endif

  1942. 

  1943.         // --------------------------------------------------------------------------------------------------------

  1944. 

  1945.         pData->singleMutex.unlock();

  1946.         return true;

  1947.     }

  1948. 

  1949.     void bufferSizeChanged(const uint32_t newBufferSize) override

  1950.     {

  1951.         CARLA_ASSERT_INT(newBufferSize > 0, newBufferSize);

  1952.         carla_debug("CarlaPluginNative::bufferSizeChanged(%i)", newBufferSize);

  1953. 

  1954.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1955.         {

  1956.             if (fAudioInBuffers[i] != nullptr)

  1957.                 delete[] fAudioInBuffers[i];

  1958.             fAudioInBuffers[i] = new float[newBufferSize];

  1959.         }

  1960. 

  1961.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1962.         {

  1963.             if (fAudioOutBuffers[i] != nullptr)

  1964.                 delete[] fAudioOutBuffers[i];

  1965.             fAudioOutBuffers[i] = new float[newBufferSize];

  1966.         }

  1967. 

  1968.         if (fDescriptor != nullptr && fDescriptor->dispatcher != nullptr)

  1969.         {

  1970.             fDescriptor->dispatcher(fHandle, NATIVE_PLUGIN_OPCODE_BUFFER_SIZE_CHANGED, 0, static_cast<intptr_t>(newBufferSize), nullptr, 0.0f);

  1971. 

  1972.             if (fHandle2 != nullptr)

  1973.                 fDescriptor->dispatcher(fHandle2, NATIVE_PLUGIN_OPCODE_BUFFER_SIZE_CHANGED, 0, static_cast<intptr_t>(newBufferSize), nullptr, 0.0f);

  1974.         }

  1975.     }

  1976. 

  1977.     void sampleRateChanged(const double newSampleRate) override

  1978.     {

  1979.         CARLA_ASSERT_INT(newSampleRate > 0.0, newSampleRate);

  1980.         carla_debug("CarlaPluginNative::sampleRateChanged(%g)", newSampleRate);

  1981. 

  1982.         if (fDescriptor != nullptr && fDescriptor->dispatcher != nullptr)

  1983.         {

  1984.             fDescriptor->dispatcher(fHandle, NATIVE_PLUGIN_OPCODE_SAMPLE_RATE_CHANGED, 0, 0, nullptr, float(newSampleRate));

  1985. 

  1986.             if (fHandle2 != nullptr)

  1987.                 fDescriptor->dispatcher(fHandle2, NATIVE_PLUGIN_OPCODE_SAMPLE_RATE_CHANGED, 0, 0, nullptr, float(newSampleRate));

  1988.         }

  1989.     }

  1990. 

  1991.     void offlineModeChanged(const bool isOffline) override

  1992.     {

  1993.         if (fDescriptor != nullptr && fDescriptor->dispatcher != nullptr)

  1994.         {

  1995.             fDescriptor->dispatcher(fHandle, NATIVE_PLUGIN_OPCODE_OFFLINE_CHANGED, 0, isOffline ? 1 : 0, nullptr, 0.0f);

  1996. 

  1997.             if (fHandle2 != nullptr)

  1998.                 fDescriptor->dispatcher(fHandle2, NATIVE_PLUGIN_OPCODE_OFFLINE_CHANGED, 0, isOffline ? 1 : 0, nullptr, 0.0f);

  1999.         }

  2000.     }

  2001. 

  2002.     // -------------------------------------------------------------------

  2003.     // Plugin buffers

  2004. 

  2005.     void initBuffers() const noexcept override

  2006.     {

  2007.         fMidiIn.initBuffers();

  2008.         fMidiOut.initBuffers();

  2009. 

  2010.         CarlaPlugin::initBuffers();

  2011.     }

  2012. 

  2013.     void clearBuffers() noexcept override

  2014.     {

  2015.         carla_debug("CarlaPluginNative::clearBuffers() - start");

  2016. 

  2017.         if (fAudioInBuffers != nullptr)

  2018.         {

  2019.             for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2020.             {

  2021.                 if (fAudioInBuffers[i] != nullptr)

  2022.                 {

  2023.                     delete[] fAudioInBuffers[i];

  2024.                     fAudioInBuffers[i] = nullptr;

  2025.                 }

  2026.             }

  2027. 

  2028.             delete[] fAudioInBuffers;

  2029.             fAudioInBuffers = nullptr;

  2030.         }

  2031. 

  2032.         if (fAudioOutBuffers != nullptr)

  2033.         {

  2034.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2035.             {

  2036.                 if (fAudioOutBuffers[i] != nullptr)

  2037.                 {

  2038.                     delete[] fAudioOutBuffers[i];

  2039.                     fAudioOutBuffers[i] = nullptr;

  2040.                 }

  2041.             }

  2042. 

  2043.             delete[] fAudioOutBuffers;

  2044.             fAudioOutBuffers = nullptr;

  2045.         }

  2046. 

  2047.         fMidiIn.clear();

  2048.         fMidiOut.clear();

  2049. 

  2050.         CarlaPlugin::clearBuffers();

  2051. 

  2052.         carla_debug("CarlaPluginNative::clearBuffers() - end");

  2053.     }

  2054. 

  2055.     // -------------------------------------------------------------------

  2056.     // Post-poned UI Stuff

  2057. 

  2058.     void uiParameterChange(const uint32_t index, const float value) noexcept override

  2059.     {

  2060.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  2061.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  2062.         CARLA_SAFE_ASSERT_RETURN(index < pData->param.count,);

  2063. 

  2064.         if (! fIsUiVisible)

  2065.             return;

  2066. 

  2067.         if (fDescriptor->ui_set_parameter_value != nullptr)

  2068.             fDescriptor->ui_set_parameter_value(fHandle, index, value);

  2069.     }

  2070. 

  2071.     void uiMidiProgramChange(const uint32_t index) noexcept override

  2072.     {

  2073.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  2074.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  2075.         CARLA_SAFE_ASSERT_RETURN(index < pData->midiprog.count,);

  2076. 

  2077.         if (! fIsUiVisible)

  2078.             return;

  2079.         if (index >= pData->midiprog.count)

  2080.             return;

  2081. 

  2082.         if (fDescriptor->ui_set_midi_program != nullptr)

  2083.             fDescriptor->ui_set_midi_program(fHandle, 0, pData->midiprog.data[index].bank, pData->midiprog.data[index].program);

  2084.     }

  2085. 

  2086.     void uiNoteOn(const uint8_t channel, const uint8_t note, const uint8_t velo) noexcept override

  2087.     {

  2088.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  2089.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  2090.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2091.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2092.         CARLA_SAFE_ASSERT_RETURN(velo > 0 && velo < MAX_MIDI_VALUE,);

  2093. 

  2094.         if (! fIsUiVisible)

  2095.             return;

  2096. 

  2097.         // TODO

  2098.     }

  2099. 

  2100.     void uiNoteOff(const uint8_t channel, const uint8_t note) noexcept override

  2101.     {

  2102.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  2103.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  2104.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2105.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2106. 

  2107.         if (! fIsUiVisible)

  2108.             return;

  2109.         if (fDescriptor == nullptr || fHandle == nullptr)

  2110.             return;

  2111. 

  2112.         // TODO

  2113.     }

  2114. 

  2115.     // -------------------------------------------------------------------

  2116. 

  2117. protected:

  2118.     uint32_t handleGetBufferSize() const noexcept

  2119.     {

  2120.         return pData->engine->getBufferSize();

  2121.     }

  2122. 

  2123.     double handleGetSampleRate() const noexcept

  2124.     {

  2125.         return pData->engine->getSampleRate();

  2126.     }

  2127. 

  2128.     bool handleIsOffline() const noexcept

  2129.     {

  2130.         return pData->engine->isOffline();

  2131.     }

  2132. 

  2133.     const NativeTimeInfo* handleGetTimeInfo() const noexcept

  2134.     {

  2135.         CARLA_SAFE_ASSERT_RETURN(fIsProcessing, nullptr);

  2136. 

  2137.         return &fTimeInfo;

  2138.     }

  2139. 

  2140.     bool handleWriteMidiEvent(const NativeMidiEvent* const event)

  2141.     {

  2142.         CARLA_SAFE_ASSERT_RETURN(pData->enabled, false);

  2143.         CARLA_SAFE_ASSERT_RETURN(fIsProcessing, false);

  2144.         CARLA_SAFE_ASSERT_RETURN(fMidiOut.count > 0, false);

  2145.         CARLA_SAFE_ASSERT_RETURN(pData->event.portOut != nullptr, false);

  2146.         CARLA_SAFE_ASSERT_RETURN(event != nullptr, false);

  2147.         CARLA_SAFE_ASSERT_RETURN(event->data[0] != 0, false);

  2148. 

  2149.         // reverse-find first free event, and put it there

  2150.         for (uint32_t i=(kPluginMaxMidiEvents*2)-1; i >= fMidiEventCount; --i)

  2151.         {

  2152.             if (fMidiEvents[i].data[0] == 0)

  2153.             {

  2154.                 std::memcpy(&fMidiEvents[i], event, sizeof(NativeMidiEvent));

  2155.                 return true;

  2156.             }

  2157.         }

  2158. 

  2159.         carla_stdout("CarlaPluginNative::handleWriteMidiEvent(%p) - buffer full", event);

  2160.         return false;

  2161.     }

  2162. 

  2163.     void handleUiParameterChanged(const uint32_t index, const float value)

  2164.     {

  2165.         setParameterValue(index, value, false, true, true);

  2166.     }

  2167. 

  2168.     void handleUiCustomDataChanged(const char* const key, const char* const value)

  2169.     {

  2170.         setCustomData(CUSTOM_DATA_TYPE_STRING, key, value, false);

  2171.     }

  2172. 

  2173.     void handleUiClosed()

  2174.     {

  2175.         pData->engine->callback(ENGINE_CALLBACK_UI_STATE_CHANGED, pData->id, 0, 0, 0.0f, nullptr);

  2176.         fIsUiVisible = false;

  2177.     }

  2178. 

  2179.     const char* handleUiOpenFile(const bool isDir, const char* const title, const char* const filter)

  2180.     {

  2181.         return pData->engine->runFileCallback(FILE_CALLBACK_OPEN, isDir, title, filter);

  2182.     }

  2183. 

  2184.     const char* handleUiSaveFile(const bool isDir, const char* const title, const char* const filter)

  2185.     {

  2186.         return pData->engine->runFileCallback(FILE_CALLBACK_SAVE, isDir, title, filter);

  2187.     }

  2188. 

  2189.     intptr_t handleDispatcher(const NativeHostDispatcherOpcode opcode, const int32_t index, const intptr_t value, void* const ptr, const float opt)

  2190.     {

  2191.         carla_debug("CarlaPluginNative::handleDispatcher(%i, %i, " P_INTPTR ", %p, %f)", opcode, index, value, ptr, opt);

  2192. 

  2193.         intptr_t ret = 0;

  2194. 

  2195.         switch (opcode)

  2196.         {

  2197.         case NATIVE_HOST_OPCODE_NULL:

  2198.             break;

  2199.         case NATIVE_HOST_OPCODE_UPDATE_PARAMETER:

  2200.             // TODO

  2201.             pData->engine->callback(ENGINE_CALLBACK_UPDATE, pData->id, -1, 0, 0.0f, nullptr);

  2202.             break;

  2203.         case NATIVE_HOST_OPCODE_UPDATE_MIDI_PROGRAM:

  2204.             // TODO

  2205.             pData->engine->callback(ENGINE_CALLBACK_UPDATE, pData->id, -1, 0, 0.0f, nullptr);

  2206.             break;

  2207.         case NATIVE_HOST_OPCODE_RELOAD_PARAMETERS:

  2208.             reload(); // FIXME

  2209.             pData->engine->callback(ENGINE_CALLBACK_RELOAD_PARAMETERS, pData->id, -1, 0, 0.0f, nullptr);

  2210.             break;

  2211.         case NATIVE_HOST_OPCODE_RELOAD_MIDI_PROGRAMS:

  2212.             reloadPrograms(false);

  2213.             pData->engine->callback(ENGINE_CALLBACK_RELOAD_PROGRAMS, pData->id, -1, 0, 0.0f, nullptr);

  2214.             break;

  2215.         case NATIVE_HOST_OPCODE_RELOAD_ALL:

  2216.             reload();

  2217.             pData->engine->callback(ENGINE_CALLBACK_RELOAD_ALL, pData->id, -1, 0, 0.0f, nullptr);

  2218.             break;

  2219.         case NATIVE_HOST_OPCODE_UI_UNAVAILABLE:

  2220.             pData->engine->callback(ENGINE_CALLBACK_UI_STATE_CHANGED, pData->id, -1, 0, 0.0f, nullptr);

  2221.             fIsUiVisible = false;

  2222.             break;

  2223.         }

  2224. 

  2225.         return ret;

  2226. 

  2227.         // unused for now

  2228.         (void)index;

  2229.         (void)value;

  2230.         (void)ptr;

  2231.         (void)opt;

  2232.     }

  2233. 

  2234.     // -------------------------------------------------------------------

  2235. 

  2236. public:

  2237.     void* getNativeHandle() const noexcept override

  2238.     {

  2239.         return fHandle;

  2240.     }

  2241. 

  2242.     const void* getNativeDescriptor() const noexcept override

  2243.     {

  2244.         return fDescriptor;

  2245.     }

  2246. 

  2247.     // -------------------------------------------------------------------

  2248. 

  2249.     bool init(const char* const name, const char* const label)

  2250.     {

  2251.         CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr, false);

  2252. 

  2253.         // ---------------------------------------------------------------

  2254.         // first checks

  2255. 

  2256.         if (pData->client != nullptr)

  2257.         {

  2258.             pData->engine->setLastError("Plugin client is already registered");

  2259.             return false;

  2260.         }

  2261. 

  2262.         if (label == nullptr && label[0] != '\0')

  2263.         {

  2264.             pData->engine->setLastError("null label");

  2265.             return false;

  2266.         }

  2267. 

  2268.         // ---------------------------------------------------------------

  2269.         // get descriptor that matches label

  2270. 

  2271.         sPluginInitializer.initIfNeeded();

  2272. 

  2273.         for (LinkedList<const NativePluginDescriptor*>::Itenerator it = gPluginDescriptors.begin(); it.valid(); it.next())

  2274.         {

  2275.             fDescriptor = it.getValue();

  2276. 

  2277.             CARLA_SAFE_ASSERT_BREAK(fDescriptor != nullptr);

  2278. 

  2279.             carla_debug("Check vs \"%s\"", fDescriptor->label);

  2280. 

  2281.             if (fDescriptor->label != nullptr && std::strcmp(fDescriptor->label, label) == 0)

  2282.                 break;

  2283. 

  2284.             fDescriptor = nullptr;

  2285.         }

  2286. 

  2287.         if (fDescriptor == nullptr)

  2288.         {

  2289.             pData->engine->setLastError("Invalid internal plugin");

  2290.             return false;

  2291.         }

  2292. 

  2293.         // ---------------------------------------------------------------

  2294.         // set icon

  2295. 

  2296.         if (std::strcmp(fDescriptor->label, "audiofile") == 0)

  2297.             pData->iconName = carla_strdup_safe("file");

  2298.         else if (std::strcmp(fDescriptor->label, "midifile") == 0)

  2299.             pData->iconName = carla_strdup_safe("file");

  2300. 

  2301.         // ---------------------------------------------------------------

  2302.         // get info

  2303. 

  2304.         if (name != nullptr && name[0] != '\0')

  2305.             pData->name = pData->engine->getUniquePluginName(name);

  2306.         else if (fDescriptor->name != nullptr && fDescriptor->name[0] != '\0')

  2307.             pData->name = pData->engine->getUniquePluginName(fDescriptor->name);

  2308.         else

  2309.             pData->name = pData->engine->getUniquePluginName(label);

  2310. 

  2311.         {

  2312.             CARLA_ASSERT(fHost.uiName == nullptr);

  2313. 

  2314.             char uiName[std::strlen(pData->name)+6+1];

  2315.             std::strcpy(uiName, pData->name);

  2316.             std::strcat(uiName, " (GUI)");

  2317. 

  2318.             fHost.uiName = carla_strdup(uiName);

  2319.         }

  2320. 

  2321.         // ---------------------------------------------------------------

  2322.         // register client

  2323. 

  2324.         pData->client = pData->engine->addClient(this);

  2325. 

  2326.         if (pData->client == nullptr || ! pData->client->isOk())

  2327.         {

  2328.             pData->engine->setLastError("Failed to register plugin client");

  2329.             return false;

  2330.         }

  2331. 

  2332.         // ---------------------------------------------------------------

  2333.         // initialize plugin

  2334. 

  2335.         fHandle = fDescriptor->instantiate(&fHost);

  2336. 

  2337.         if (fHandle == nullptr)

  2338.         {

  2339.             pData->engine->setLastError("Plugin failed to initialize");

  2340.             return false;

  2341.         }

  2342. 

  2343.         // ---------------------------------------------------------------

  2344.         // set default options

  2345. 

  2346.         const bool hasMidiProgs(fDescriptor->get_midi_program_count != nullptr && fDescriptor->get_midi_program_count(fHandle) > 0);

  2347. 

  2348.         pData->options = 0x0;

  2349. 

  2350.         if (hasMidiProgs && (fDescriptor->supports & NATIVE_PLUGIN_SUPPORTS_PROGRAM_CHANGES) == 0)

  2351.             pData->options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  2352. 

  2353.         if (getMidiInCount() > 0 || (fDescriptor->hints & NATIVE_PLUGIN_NEEDS_FIXED_BUFFERS) != 0)

  2354.             pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;

  2355. 

  2356.         if (pData->engine->getOptions().forceStereo)

  2357.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  2358. 

  2359.         if (fDescriptor->supports & NATIVE_PLUGIN_SUPPORTS_CHANNEL_PRESSURE)

  2360.             pData->options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  2361.         if (fDescriptor->supports & NATIVE_PLUGIN_SUPPORTS_NOTE_AFTERTOUCH)

  2362.             pData->options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  2363.         if (fDescriptor->supports & NATIVE_PLUGIN_SUPPORTS_PITCHBEND)

  2364.             pData->options |= PLUGIN_OPTION_SEND_PITCHBEND;

  2365.         if (fDescriptor->supports & NATIVE_PLUGIN_SUPPORTS_ALL_SOUND_OFF)

  2366.             pData->options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  2367. 

  2368.         return true;

  2369.     }

  2370. 

  2371. 

  2372. private:

  2373.     NativePluginHandle   fHandle;

  2374.     NativePluginHandle   fHandle2;

  2375.     NativeHostDescriptor fHost;

  2376.     const NativePluginDescriptor* fDescriptor;

  2377. 

  2378.     bool fIsProcessing;

  2379.     bool fIsUiVisible;

  2380. 

  2381.     float**         fAudioInBuffers;

  2382.     float**         fAudioOutBuffers;

  2383.     uint32_t        fMidiEventCount;

  2384.     NativeMidiEvent fMidiEvents[kPluginMaxMidiEvents*2];

  2385. 

  2386.     int32_t fCurMidiProgs[MAX_MIDI_CHANNELS];

  2387. 

  2388.     NativePluginMidiData fMidiIn;

  2389.     NativePluginMidiData fMidiOut;

  2390. 

  2391.     NativeTimeInfo fTimeInfo;

  2392. 

  2393.     // -------------------------------------------------------------------

  2394. 

  2395.     #define handlePtr ((CarlaPluginNative*)handle)

  2396. 

  2397.     static uint32_t carla_host_get_buffer_size(NativeHostHandle handle) noexcept

  2398.     {

  2399.         return handlePtr->handleGetBufferSize();

  2400.     }

  2401. 

  2402.     static double carla_host_get_sample_rate(NativeHostHandle handle) noexcept

  2403.     {

  2404.         return handlePtr->handleGetSampleRate();

  2405.     }

  2406. 

  2407.     static bool carla_host_is_offline(NativeHostHandle handle) noexcept

  2408.     {

  2409.         return handlePtr->handleIsOffline();

  2410.     }

  2411. 

  2412.     static const NativeTimeInfo* carla_host_get_time_info(NativeHostHandle handle) noexcept

  2413.     {

  2414.         return handlePtr->handleGetTimeInfo();

  2415.     }

  2416. 

  2417.     static bool carla_host_write_midi_event(NativeHostHandle handle, const NativeMidiEvent* event)

  2418.     {

  2419.         return handlePtr->handleWriteMidiEvent(event);

  2420.     }

  2421. 

  2422.     static void carla_host_ui_parameter_changed(NativeHostHandle handle, uint32_t index, float value)

  2423.     {

  2424.         handlePtr->handleUiParameterChanged(index, value);

  2425.     }

  2426. 

  2427.     static void carla_host_ui_custom_data_changed(NativeHostHandle handle, const char* key, const char* value)

  2428.     {

  2429.         handlePtr->handleUiCustomDataChanged(key, value);

  2430.     }

  2431. 

  2432.     static void carla_host_ui_closed(NativeHostHandle handle)

  2433.     {

  2434.         handlePtr->handleUiClosed();

  2435.     }

  2436. 

  2437.     static const char* carla_host_ui_open_file(NativeHostHandle handle, bool isDir, const char* title, const char* filter)

  2438.     {

  2439.         return handlePtr->handleUiOpenFile(isDir, title, filter);

  2440.     }

  2441. 

  2442.     static const char* carla_host_ui_save_file(NativeHostHandle handle, bool isDir, const char* title, const char* filter)

  2443.     {

  2444.         return handlePtr->handleUiSaveFile(isDir, title, filter);

  2445.     }

  2446. 

  2447.     static intptr_t carla_host_dispatcher(NativeHostHandle handle, NativeHostDispatcherOpcode opcode, int32_t index, intptr_t value, void* ptr, float opt)

  2448.     {

  2449.         return handlePtr->handleDispatcher(opcode, index, value, ptr, opt);

  2450.     }

  2451. 

  2452.     #undef handlePtr

  2453. 

  2454.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaPluginNative)

  2455. };

  2456. 

  2457. // -----------------------------------------------------------------------

  2458. 

  2459. CarlaPlugin* CarlaPlugin::newNative(const Initializer& init)

  2460. {

  2461.     carla_debug("CarlaPlugin::newNative({%p, \"%s\", \"%s\", \"%s\", " P_INT64 "})", init.engine, init.filename, init.name, init.label, init.uniqueId);

  2462. 

  2463.     CarlaPluginNative* const plugin(new CarlaPluginNative(init.engine, init.id));

  2464. 

  2465.     if (! plugin->init(init.name, init.label))

  2466.     {

  2467.         delete plugin;

  2468.         return nullptr;

  2469.     }

  2470. 

  2471.     plugin->reload();

  2472. 

  2473.     bool canRun = true;

  2474. 

  2475.     if (init.engine->getProccessMode() == ENGINE_PROCESS_MODE_CONTINUOUS_RACK)

  2476.     {

  2477.         if (! plugin->canRunInRack())

  2478.         {

  2479.             init.engine->setLastError("Carla's rack mode can only work with Mono or Stereo Internal plugins, sorry!");

  2480.             canRun = false;

  2481.         }

  2482.         else if (plugin->getCVInCount() > 0 || plugin->getCVInCount() > 0)

  2483.         {

  2484.             init.engine->setLastError("Carla's rack mode cannot work with plugins that have CV ports, sorry!");

  2485.             canRun = false;

  2486.         }

  2487.     }

  2488.     else if (init.engine->getProccessMode() == ENGINE_PROCESS_MODE_PATCHBAY && (plugin->getCVInCount() > 0 || plugin->getCVInCount() > 0))

  2489.     {

  2490.         init.engine->setLastError("CV ports in patchbay mode is still TODO");

  2491.         canRun = false;

  2492.     }

  2493. 

  2494.     if (! canRun)

  2495.     {

  2496.         delete plugin;

  2497.         return nullptr;

  2498.     }

  2499. 

  2500.     return plugin;

  2501. }

  2502. 

  2503. // -----------------------------------------------------------------------

  2504. 

  2505. CARLA_BACKEND_END_NAMESPACE