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Carla
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Carla/source/backend/plugin/CarlaPluginNative.cpp

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  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/juce_core.h"

  25. 

  26. using juce::jmax;

  27. using juce::String;

  28. using juce::StringArray;

  29. 

  30. CARLA_EXTERN_C

  31. std::size_t carla_getNativePluginCount() noexcept;

  32. 

  33. CARLA_EXTERN_C

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

  35. 

  36. // -----------------------------------------------------------------------

  37. 

  38. static LinkedList<const NativePluginDescriptor*> gPluginDescriptors;

  39. 

  40. void carla_register_native_plugin(const NativePluginDescriptor* desc)

  41. {

  42.     gPluginDescriptors.append(desc);

  43. }

  44. 

  45. // -----------------------------------------------------------------------

  46. 

  47. static

  48. class NativePluginInitializer

  49. {

  50. public:

  51.     NativePluginInitializer() noexcept

  52.         : fNeedsInit(true) {}

  53. 

  54.     ~NativePluginInitializer() noexcept

  55.     {

  56.         gPluginDescriptors.clear();

  57.     }

  58. 

  59.     void initIfNeeded() noexcept

  60.     {

  61.         if (! fNeedsInit)

  62.             return;

  63. 

  64.         fNeedsInit = false;

  65. 

  66.         try {

  67.             carla_register_all_native_plugins();

  68.         } CARLA_SAFE_EXCEPTION("carla_register_all_native_plugins")

  69.     }

  70. 

  71. private:

  72.     bool fNeedsInit;

  73. 

  74. } sPluginInitializer;

  75. 

  76. // -----------------------------------------------------------------------

  77. 

  78. std::size_t carla_getNativePluginCount() noexcept

  79. {

  80.     sPluginInitializer.initIfNeeded();

  81.     return gPluginDescriptors.count();

  82. }

  83. 

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

  85. {

  86.     sPluginInitializer.initIfNeeded();

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

  88. }

  89. 

  90. // -----------------------------------------------------------------------

  91. 

  92. CARLA_BACKEND_START_NAMESPACE

  93. 

  94. // -----------------------------------------------------------------------

  95. 

  96. struct NativePluginMidiData {

  97.     uint32_t  count;

  98.     uint32_t* indexes;

  99.     CarlaEngineEventPort** ports;

  100. 

  101.     NativePluginMidiData() noexcept

  102.         : count(0),

  103.           indexes(nullptr),

  104.           ports(nullptr) {}

  105. 

  106.     ~NativePluginMidiData() noexcept

  107.     {

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

  109.         CARLA_SAFE_ASSERT(indexes == nullptr);

  110.         CARLA_SAFE_ASSERT(ports == nullptr);

  111.     }

  112. 

  113.     void createNew(const uint32_t newCount)

  114.     {

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

  116.         CARLA_SAFE_ASSERT_RETURN(indexes == nullptr,);

  117.         CARLA_SAFE_ASSERT_RETURN(ports == nullptr,);

  118.         CARLA_SAFE_ASSERT_RETURN(newCount > 0,);

  119. 

  120.         indexes = new uint32_t[newCount];

  121.         ports   = new CarlaEngineEventPort*[newCount];

  122.         count   = newCount;

  123. 

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

  125.             indexes[i] = 0;

  126. 

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

  128.             ports[i] = nullptr;

  129.     }

  130. 

  131.     void clear() noexcept

  132.     {

  133.         if (ports != nullptr)

  134.         {

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

  136.             {

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

  138.                 {

  139.                     delete ports[i];

  140.                     ports[i] = nullptr;

  141.                 }

  142.             }

  143. 

  144.             delete[] ports;

  145.             ports = nullptr;

  146.         }

  147. 

  148.         if (indexes != nullptr)

  149.         {

  150.             delete[] indexes;

  151.             indexes = nullptr;

  152.         }

  153. 

  154.         count = 0;

  155.     }

  156. 

  157.     void initBuffers() const noexcept

  158.     {

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

  160.         {

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

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

  163.         }

  164.     }

  165. 

  166.     CARLA_DECLARE_NON_COPY_STRUCT(NativePluginMidiData)

  167. };

  168. 

  169. // -----------------------------------------------------

  170. 

  171. class CarlaPluginNative : public CarlaPlugin

  172. {

  173. public:

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

  175.         : CarlaPlugin(engine, id),

  176.           fHandle(nullptr),

  177.           fHandle2(nullptr),

  178.           fHost(),

  179.           fDescriptor(nullptr),

  180.           fIsProcessing(false),

  181.           fIsOffline(false),

  182.           fIsUiAvailable(false),

  183.           fIsUiVisible(false),

  184.           fAudioInBuffers(nullptr),

  185.           fAudioOutBuffers(nullptr),

  186.           fMidiEventCount(0),

  187.           fCurBufferSize(engine->getBufferSize()),

  188.           fCurSampleRate(engine->getSampleRate()),

  189.           fMidiIn(),

  190.           fMidiOut(),

  191.           fTimeInfo()

  192.     {

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

  194. 

  195.         carla_fill(fCurMidiProgs, 0, MAX_MIDI_CHANNELS);

  196.         carla_zeroStructs(fMidiEvents, kPluginMaxMidiEvents*2);

  197.         carla_zeroStruct(fTimeInfo);

  198. 

  199.         fHost.handle      = this;

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

  201.         fHost.uiName      = nullptr;

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

  203. 

  204.         fHost.get_buffer_size        = carla_host_get_buffer_size;

  205.         fHost.get_sample_rate        = carla_host_get_sample_rate;

  206.         fHost.is_offline             = carla_host_is_offline;

  207.         fHost.get_time_info          = carla_host_get_time_info;

  208.         fHost.write_midi_event       = carla_host_write_midi_event;

  209.         fHost.ui_parameter_changed   = carla_host_ui_parameter_changed;

  210.         fHost.ui_custom_data_changed = carla_host_ui_custom_data_changed;

  211.         fHost.ui_closed              = carla_host_ui_closed;

  212.         fHost.ui_open_file           = carla_host_ui_open_file;

  213.         fHost.ui_save_file           = carla_host_ui_save_file;

  214.         fHost.dispatcher             = carla_host_dispatcher;

  215.     }

  216. 

  217.     ~CarlaPluginNative() override

  218.     {

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

  220. 

  221.         // close UI

  222.         if (pData->hints & PLUGIN_HAS_CUSTOM_UI)

  223.         {

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

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

  226. 

  227.             pData->transientTryCounter = 0;

  228.         }

  229. 

  230.         pData->singleMutex.lock();

  231.         pData->masterMutex.lock();

  232. 

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

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

  235. 

  236.         CARLA_ASSERT(! fIsProcessing);

  237. 

  238.         if (pData->active)

  239.         {

  240.             deactivate();

  241.             pData->active = false;

  242.         }

  243. 

  244.         if (fDescriptor != nullptr)

  245.         {

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

  247.             {

  248.                 if (fHandle != nullptr)

  249.                     fDescriptor->cleanup(fHandle);

  250.                 if (fHandle2 != nullptr)

  251.                     fDescriptor->cleanup(fHandle2);

  252.             }

  253. 

  254.             fHandle  = nullptr;

  255.             fHandle2 = nullptr;

  256.             fDescriptor = nullptr;

  257.         }

  258. 

  259.         if (fHost.resourceDir != nullptr)

  260.         {

  261.             delete[] fHost.resourceDir;

  262.             fHost.resourceDir = nullptr;

  263.         }

  264. 

  265.         if (fHost.uiName != nullptr)

  266.         {

  267.             delete[] fHost.uiName;

  268.             fHost.uiName = nullptr;

  269.         }

  270. 

  271.         clearBuffers();

  272.     }

  273. 

  274.     // -------------------------------------------------------------------

  275.     // Information (base)

  276. 

  277.     PluginType getType() const noexcept override

  278.     {

  279.         return PLUGIN_INTERNAL;

  280.     }

  281. 

  282.     PluginCategory getCategory() const noexcept override

  283.     {

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

  285. 

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

  287.     }

  288. 

  289.     // -------------------------------------------------------------------

  290.     // Information (count)

  291. 

  292.     uint32_t getMidiInCount() const noexcept override

  293.     {

  294.         return fMidiIn.count;

  295.     }

  296. 

  297.     uint32_t getMidiOutCount() const noexcept override

  298.     {

  299.         return fMidiOut.count;

  300.     }

  301. 

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

  303.     {

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

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

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

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

  308. 

  309.         // FIXME - try

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

  311.             return param->scalePointCount;

  312. 

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

  314.         return 0;

  315.     }

  316. 

  317.     // -------------------------------------------------------------------

  318.     // Information (current data)

  319. 

  320.     // nothing

  321. 

  322.     // -------------------------------------------------------------------

  323.     // Information (per-plugin data)

  324. 

  325.     uint getOptionsAvailable() const noexcept override

  326.     {

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

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

  329. 

  330.         // FIXME - try

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

  332. 

  333.         uint options = 0x0;

  334. 

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

  336.             options |= PLUGIN_OPTION_FIXED_BUFFERS;

  337. 

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

  339.         {

  340.             if (pData->options & PLUGIN_OPTION_FORCE_STEREO)

  341.                 options |= PLUGIN_OPTION_FORCE_STEREO;

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

  343.                 options |= PLUGIN_OPTION_FORCE_STEREO;

  344.         }

  345. 

  346.         if (fDescriptor->supports & NATIVE_PLUGIN_SUPPORTS_CONTROL_CHANGES)

  347.             options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  348.         if (fDescriptor->supports & NATIVE_PLUGIN_SUPPORTS_CHANNEL_PRESSURE)

  349.             options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  350.         if (fDescriptor->supports & NATIVE_PLUGIN_SUPPORTS_NOTE_AFTERTOUCH)

  351.             options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  352.         if (fDescriptor->supports & NATIVE_PLUGIN_SUPPORTS_PITCHBEND)

  353.             options |= PLUGIN_OPTION_SEND_PITCHBEND;

  354.         if (fDescriptor->supports & NATIVE_PLUGIN_SUPPORTS_ALL_SOUND_OFF)

  355.             options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  356. 

  357.         if (fDescriptor->supports & NATIVE_PLUGIN_SUPPORTS_PROGRAM_CHANGES)

  358.             options |= PLUGIN_OPTION_SEND_PROGRAM_CHANGES;

  359.         else if (hasMidiProgs)

  360.             options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  361. 

  362.         return options;

  363.     }

  364. 

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

  366.     {

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

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

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

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

  371. 

  372.         // FIXME - try

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

  374.     }

  375. 

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

  377.     {

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

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

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

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

  382. 

  383.         // FIXME - try

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

  385.         {

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

  387. 

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

  389.             return scalePoint->value;

  390.         }

  391. 

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

  393.         return 0.0f;

  394.     }

  395. 

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

  397.     {

  398.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  399. 

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

  401.         {

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

  403.             return;

  404.         }

  405. 

  406.         CarlaPlugin::getLabel(strBuf);

  407.     }

  408. 

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

  410.     {

  411.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  412. 

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

  414.         {

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

  416.             return;

  417.         }

  418. 

  419.         CarlaPlugin::getMaker(strBuf);

  420.     }

  421. 

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

  423.     {

  424.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  425. 

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

  427.         {

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

  429.             return;

  430.         }

  431. 

  432.         CarlaPlugin::getCopyright(strBuf);

  433.     }

  434. 

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

  436.     {

  437.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  438. 

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

  440.         {

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

  442.             return;

  443.         }

  444. 

  445.         CarlaPlugin::getRealName(strBuf);

  446.     }

  447. 

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

  449.     {

  450.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

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

  452.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  454. 

  455.         // FIXME - try

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

  457.         {

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

  459.             {

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

  461.                 return;

  462.             }

  463. 

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

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

  466.         }

  467. 

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

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

  470.     }

  471. 

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

  473.     {

  474.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

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

  476.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  478. 

  479.         // FIXME - try

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

  481.         {

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

  483.             {

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

  485.                 return;

  486.             }

  487. 

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

  489.         }

  490. 

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

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

  493.     }

  494. 

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

  496.     {

  497.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

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

  499.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  501. 

  502.         // FIXME - try

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

  504.         {

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

  506. 

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

  508. 

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

  510.             {

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

  512.                 return;

  513.             }

  514. 

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

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

  517.         }

  518. 

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

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

  521.     }

  522. 

  523.     // -------------------------------------------------------------------

  524.     // Set data (state)

  525. 

  526.     void prepareForSave() override

  527.     {

  528.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  529.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  530. 

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

  532.         {

  533.             char strBuf[STR_MAX+1];

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

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

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

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

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

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

  540. 

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

  542.         }

  543. 

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

  545.             return;

  546. 

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

  548.         {

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

  550.             std::free(data);

  551.         }

  552.     }

  553. 

  554.     // -------------------------------------------------------------------

  555.     // Set data (internal stuff)

  556. 

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

  558.     {

  559.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  560.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  562. 

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

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

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

  566. 

  567.         if (fHost.uiName != nullptr)

  568.             delete[] fHost.uiName;

  569.         fHost.uiName = carla_strdup(uiName);

  570. 

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

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

  573. 

  574.         CarlaPlugin::setName(newName);

  575.     }

  576. 

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

  578.     {

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

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

  581. 

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

  583.     }

  584. 

  585.     // -------------------------------------------------------------------

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

  587. 

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

  589.     {

  590.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

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

  592.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  594. 

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

  596. 

  597.         // FIXME - try

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

  599. 

  600.         if (fHandle2 != nullptr)

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

  602. 

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

  604.     }

  605. 

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

  607.     {

  608.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  609.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

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

  612.         CARLA_SAFE_ASSERT_RETURN(value != nullptr,);

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

  614. 

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

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

  617. 

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

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

  620. 

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

  622.         {

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

  624.             {

  625.                 const ScopedSingleProcessLocker spl(this, true);

  626. 

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

  628. 

  629.                 if (fHandle2 != nullptr)

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

  631.             }

  632.         }

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

  634.         {

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

  636. 

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

  638.             {

  639.                 uint8_t channel = 0;

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

  641.                 {

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

  643. 

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

  645.                     {

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

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

  648. 

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

  650. 

  651.                         if (fHandle2 != nullptr)

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

  653. 

  654.                         fCurMidiProgs[channel] = index;

  655. 

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

  657.                         {

  658.                             pData->midiprog.current = index;

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

  660.                         }

  661.                     }

  662. 

  663.                     ++channel;

  664.                 }

  665.                 CARLA_SAFE_ASSERT(channel == MAX_MIDI_CHANNELS);

  666.             }

  667.         }

  668.         else

  669.         {

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

  671.             {

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

  673. 

  674.                 if (fHandle2 != nullptr)

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

  676.             }

  677. 

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

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

  680.         }

  681. 

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

  683.     }

  684. 

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

  686.     {

  687.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  688.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  690. 

  691.         // TODO, put into check below

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

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

  694. 

  695.         if (index >= 0)

  696.         {

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

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

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

  700. 

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

  702. 

  703.             try {

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

  705.             } catch(...) {}

  706. 

  707.             if (fHandle2 != nullptr)

  708.             {

  709.                 try {

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

  711.                 } catch(...) {}

  712.             }

  713. 

  714.             fCurMidiProgs[channel] = index;

  715.         }

  716. 

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

  718.     }

  719. 

  720.     // -------------------------------------------------------------------

  721.     // Set ui stuff

  722. 

  723.     void showCustomUI(const bool yesNo) override

  724.     {

  725.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  726.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  727. 

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

  729.             return;

  730. 

  731.         fIsUiAvailable = true;

  732. 

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

  734. 

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

  736.         if (yesNo && ! fIsUiAvailable)

  737.             return;

  738. 

  739.         fIsUiVisible = yesNo;

  740. 

  741.         if (! yesNo)

  742.         {

  743.             pData->transientTryCounter = 0;

  744.             return;

  745.         }

  746. 

  747. #ifndef BUILD_BRIDGE

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

  749.             pData->tryTransient();

  750. #endif

  751. 

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

  753.         {

  754.             for (LinkedList<CustomData>::Itenerator it = pData->custom.begin2(); it.valid(); it.next())

  755.             {

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

  757. 

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

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

  760.             }

  761.         }

  762. 

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

  764.         {

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

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

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

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

  769. 

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

  771.         }

  772. 

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

  774.         {

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

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

  777.         }

  778.     }

  779. 

  780.     void uiIdle() override

  781.     {

  782.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  783.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  784. 

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

  786.             fDescriptor->ui_idle(fHandle);

  787. 

  788.         CarlaPlugin::uiIdle();

  789.     }

  790. 

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

  792.     // Plugin state

  793. 

  794.     void reload() override

  795.     {

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

  797.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  798.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  800. 

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

  802. 

  803.         // Safely disable plugin for reload

  804.         const ScopedDisabler sd(this);

  805. 

  806.         if (pData->active)

  807.             deactivate();

  808. 

  809.         clearBuffers();

  810. 

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

  812. 

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

  814. 

  815.         bool forcedStereoIn, forcedStereoOut;

  816.         forcedStereoIn = forcedStereoOut = false;

  817. 

  818.         bool needsCtrlIn, needsCtrlOut;

  819.         needsCtrlIn = needsCtrlOut = false;

  820. 

  821.         aIns   = fDescriptor->audioIns;

  822.         aOuts  = fDescriptor->audioOuts;

  823.         mIns   = fDescriptor->midiIns;

  824.         mOuts  = fDescriptor->midiOuts;

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

  826. 

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

  828.         {

  829.             if (fHandle2 == nullptr)

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

  831. 

  832.             if (fHandle2 != nullptr)

  833.             {

  834.                 if (aIns == 1)

  835.                 {

  836.                     aIns = 2;

  837.                     forcedStereoIn = true;

  838.                 }

  839. 

  840.                 if (aOuts == 1)

  841.                 {

  842.                     aOuts = 2;

  843.                     forcedStereoOut = true;

  844.                 }

  845.             }

  846.         }

  847. 

  848.         if (aIns > 0)

  849.         {

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

  851.             fAudioInBuffers = new float*[aIns];

  852. 

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

  854.                 fAudioInBuffers[i] = nullptr;

  855.         }

  856. 

  857.         if (aOuts > 0)

  858.         {

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

  860.             fAudioOutBuffers = new float*[aOuts];

  861.             needsCtrlIn = true;

  862. 

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

  864.                 fAudioOutBuffers[i] = nullptr;

  865.         }

  866. 

  867.         if (mIns > 0)

  868.         {

  869.             fMidiIn.createNew(mIns);

  870.             needsCtrlIn = (mIns == 1);

  871.         }

  872. 

  873.         if (mOuts > 0)

  874.         {

  875.             fMidiOut.createNew(mOuts);

  876.             needsCtrlOut = (mOuts == 1);

  877.         }

  878. 

  879.         if (params > 0)

  880.         {

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

  882.         }

  883. 

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

  885.         CarlaString portName;

  886. 

  887.         // Audio Ins

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

  889.         {

  890.             portName.clear();

  891. 

  892.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  893.             {

  894.                 portName  = pData->name;

  895.                 portName += ":";

  896.             }

  897. 

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

  899.             {

  900.                 portName += "input_";

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

  902.             }

  903.             else

  904.                 portName += "input";

  905. 

  906.             portName.truncate(portNameSize);

  907. 

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

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

  910. 

  911.             if (forcedStereoIn)

  912.             {

  913.                 portName += "_2";

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

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

  916.                 break;

  917.             }

  918.         }

  919. 

  920.         // Audio Outs

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

  922.         {

  923.             portName.clear();

  924. 

  925.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  926.             {

  927.                 portName  = pData->name;

  928.                 portName += ":";

  929.             }

  930. 

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

  932.             {

  933.                 portName += "output_";

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

  935.             }

  936.             else

  937.                 portName += "output";

  938. 

  939.             portName.truncate(portNameSize);

  940. 

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

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

  943. 

  944.             if (forcedStereoOut)

  945.             {

  946.                 portName += "_2";

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

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

  949.                 break;

  950.             }

  951.         }

  952. 

  953.         // MIDI Input (only if multiple)

  954.         if (mIns > 1)

  955.         {

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

  957.             {

  958.                 portName.clear();

  959. 

  960.                 if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  961.                 {

  962.                     portName  = pData->name;

  963.                     portName += ":";

  964.                 }

  965. 

  966.                 portName += "midi-in_";

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

  968.                 portName.truncate(portNameSize);

  969. 

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

  971.                 fMidiIn.indexes[j] = j;

  972.             }

  973. 

  974.             pData->event.portIn = fMidiIn.ports[0];

  975.         }

  976. 

  977.         // MIDI Output (only if multiple)

  978.         if (mOuts > 1)

  979.         {

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

  981.             {

  982.                 portName.clear();

  983. 

  984.                 if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  985.                 {

  986.                     portName  = pData->name;

  987.                     portName += ":";

  988.                 }

  989. 

  990.                 portName += "midi-out_";

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

  992.                 portName.truncate(portNameSize);

  993. 

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

  995.                 fMidiOut.indexes[j] = j;

  996.             }

  997. 

  998.             pData->event.portOut = fMidiOut.ports[0];

  999.         }

  1000. 

  1001.         for (j=0; j < params; ++j)

  1002.         {

  1003.             const NativeParameter* const paramInfo(fDescriptor->get_parameter_info(fHandle, j));

  1004. 

  1005.             CARLA_SAFE_ASSERT_CONTINUE(paramInfo != nullptr);

  1006. 

  1007.             pData->param.data[j].type   = PARAMETER_UNKNOWN;

  1008.             pData->param.data[j].index  = static_cast<int32_t>(j);

  1009.             pData->param.data[j].rindex = static_cast<int32_t>(j);

  1010. 

  1011.             float min, max, def, step, stepSmall, stepLarge;

  1012. 

  1013.             // min value

  1014.             min = paramInfo->ranges.min;

  1015. 

  1016.             // max value

  1017.             max = paramInfo->ranges.max;

  1018. 

  1019.             if (min > max)

  1020.                 max = min;

  1021.             else if (max < min)

  1022.                 min = max;

  1023. 

  1024.             if (carla_isEqual(min, max))

  1025.             {

  1026.                 carla_stderr2("WARNING - Broken plugin parameter '%s': max == min", paramInfo->name);

  1027.                 max = min + 0.1f;

  1028.             }

  1029. 

  1030.             // default value

  1031.             def = paramInfo->ranges.def;

  1032. 

  1033.             if (def < min)

  1034.                 def = min;

  1035.             else if (def > max)

  1036.                 def = max;

  1037. 

  1038.             if (paramInfo->hints & NATIVE_PARAMETER_USES_SAMPLE_RATE)

  1039.             {

  1040.                 min *= sampleRate;

  1041.                 max *= sampleRate;

  1042.                 def *= sampleRate;

  1043.                 pData->param.data[j].hints |= PARAMETER_USES_SAMPLERATE;

  1044.             }

  1045. 

  1046.             if (paramInfo->hints & NATIVE_PARAMETER_IS_BOOLEAN)

  1047.             {

  1048.                 step = max - min;

  1049.                 stepSmall = step;

  1050.                 stepLarge = step;

  1051.                 pData->param.data[j].hints |= PARAMETER_IS_BOOLEAN;

  1052.             }

  1053.             else if (paramInfo->hints & NATIVE_PARAMETER_IS_INTEGER)

  1054.             {

  1055.                 step = 1.0f;

  1056.                 stepSmall = 1.0f;

  1057.                 stepLarge = 10.0f;

  1058.                 pData->param.data[j].hints |= PARAMETER_IS_INTEGER;

  1059.             }

  1060.             else

  1061.             {

  1062.                 float range = max - min;

  1063.                 step = range/100.0f;

  1064.                 stepSmall = range/1000.0f;

  1065.                 stepLarge = range/10.0f;

  1066.             }

  1067. 

  1068.             if (paramInfo->hints & NATIVE_PARAMETER_IS_OUTPUT)

  1069.             {

  1070.                 pData->param.data[j].type = PARAMETER_OUTPUT;

  1071.                 needsCtrlOut = true;

  1072.             }

  1073.             else

  1074.             {

  1075.                 pData->param.data[j].type = PARAMETER_INPUT;

  1076.                 needsCtrlIn = true;

  1077.             }

  1078. 

  1079.             // extra parameter hints

  1080.             if (paramInfo->hints & NATIVE_PARAMETER_IS_ENABLED)

  1081.                 pData->param.data[j].hints |= PARAMETER_IS_ENABLED;

  1082. 

  1083.             if (paramInfo->hints & NATIVE_PARAMETER_IS_AUTOMABLE)

  1084.                 pData->param.data[j].hints |= PARAMETER_IS_AUTOMABLE;

  1085. 

  1086.             if (paramInfo->hints & NATIVE_PARAMETER_IS_LOGARITHMIC)

  1087.                 pData->param.data[j].hints |= PARAMETER_IS_LOGARITHMIC;

  1088. 

  1089.             if (paramInfo->hints & NATIVE_PARAMETER_USES_SCALEPOINTS)

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

  1091. 

  1092.             pData->param.ranges[j].min = min;

  1093.             pData->param.ranges[j].max = max;

  1094.             pData->param.ranges[j].def = def;

  1095.             pData->param.ranges[j].step = step;

  1096.             pData->param.ranges[j].stepSmall = stepSmall;

  1097.             pData->param.ranges[j].stepLarge = stepLarge;

  1098.         }

  1099. 

  1100.         if (needsCtrlIn && mIns <= 1)

  1101.         {

  1102.             portName.clear();

  1103. 

  1104.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1105.             {

  1106.                 portName  = pData->name;

  1107.                 portName += ":";

  1108.             }

  1109. 

  1110.             portName += "events-in";

  1111.             portName.truncate(portNameSize);

  1112. 

  1113.             pData->event.portIn = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, true, 0);

  1114.         }

  1115. 

  1116.         if (needsCtrlOut && mOuts <= 1)

  1117.         {

  1118.             portName.clear();

  1119. 

  1120.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1121.             {

  1122.                 portName  = pData->name;

  1123.                 portName += ":";

  1124.             }

  1125. 

  1126.             portName += "events-out";

  1127.             portName.truncate(portNameSize);

  1128. 

  1129.             pData->event.portOut = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, false, 0);

  1130.         }

  1131. 

  1132.         if (forcedStereoIn || forcedStereoOut)

  1133.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  1134.         else

  1135.             pData->options &= ~PLUGIN_OPTION_FORCE_STEREO;

  1136. 

  1137.         // plugin hints

  1138.         pData->hints = 0x0;

  1139. 

  1140.         if (aOuts > 0 && (aIns == aOuts || aIns == 1))

  1141.             pData->hints |= PLUGIN_CAN_DRYWET;

  1142. 

  1143.         if (aOuts > 0)

  1144.             pData->hints |= PLUGIN_CAN_VOLUME;

  1145. 

  1146.         if (aOuts >= 2 && aOuts % 2 == 0)

  1147.             pData->hints |= PLUGIN_CAN_BALANCE;

  1148. 

  1149.         // native plugin hints

  1150.         if (fDescriptor->hints & NATIVE_PLUGIN_IS_RTSAFE)

  1151.             pData->hints |= PLUGIN_IS_RTSAFE;

  1152.         if (fDescriptor->hints & NATIVE_PLUGIN_IS_SYNTH)

  1153.             pData->hints |= PLUGIN_IS_SYNTH;

  1154.         if (fDescriptor->hints & NATIVE_PLUGIN_HAS_UI)

  1155.             pData->hints |= PLUGIN_HAS_CUSTOM_UI;

  1156.         if (fDescriptor->hints & NATIVE_PLUGIN_NEEDS_FIXED_BUFFERS)

  1157.             pData->hints |= PLUGIN_NEEDS_FIXED_BUFFERS;

  1158.         if (fDescriptor->hints & NATIVE_PLUGIN_NEEDS_UI_MAIN_THREAD)

  1159.             pData->hints |= PLUGIN_NEEDS_UI_MAIN_THREAD;

  1160.         if (fDescriptor->hints & NATIVE_PLUGIN_USES_MULTI_PROGS)

  1161.             pData->hints |= PLUGIN_USES_MULTI_PROGS;

  1162. 

  1163.         // extra plugin hints

  1164.         pData->extraHints = 0x0;

  1165. 

  1166.         if (aIns <= 2 && aOuts <= 2 && (aIns == aOuts || aIns == 0 || aOuts == 0) && mIns <= 1 && mOuts <= 1)

  1167.             pData->extraHints |= PLUGIN_EXTRA_HINT_CAN_RUN_RACK;

  1168. 

  1169.         bufferSizeChanged(pData->engine->getBufferSize());

  1170.         reloadPrograms(true);

  1171. 

  1172.         if (pData->active)

  1173.             activate();

  1174. 

  1175.         carla_debug("CarlaPluginNative::reload() - end");

  1176.     }

  1177. 

  1178.     void reloadPrograms(const bool doInit) override

  1179.     {

  1180.         carla_debug("CarlaPluginNative::reloadPrograms(%s)", bool2str(doInit));

  1181.         uint32_t i, oldCount  = pData->midiprog.count;

  1182.         const int32_t current = pData->midiprog.current;

  1183. 

  1184.         // Delete old programs

  1185.         pData->midiprog.clear();

  1186. 

  1187.         // Query new programs

  1188.         uint32_t count = 0;

  1189.         if (fDescriptor->get_midi_program_count != nullptr && fDescriptor->get_midi_program_info != nullptr && fDescriptor->set_midi_program != nullptr)

  1190.             count = fDescriptor->get_midi_program_count(fHandle);

  1191. 

  1192.         if (count > 0)

  1193.         {

  1194.             pData->midiprog.createNew(count);

  1195. 

  1196.             // Update data

  1197.             for (i=0; i < count; ++i)

  1198.             {

  1199.                 const NativeMidiProgram* const mpDesc(fDescriptor->get_midi_program_info(fHandle, i));

  1200.                 CARLA_SAFE_ASSERT_CONTINUE(mpDesc != nullptr);

  1201. 

  1202.                 pData->midiprog.data[i].bank    = mpDesc->bank;

  1203.                 pData->midiprog.data[i].program = mpDesc->program;

  1204.                 pData->midiprog.data[i].name    = carla_strdup(mpDesc->name);

  1205.             }

  1206.         }

  1207. 

  1208. #if defined(HAVE_LIBLO) && ! defined(BUILD_BRIDGE)

  1209.         // Update OSC Names

  1210.         if (pData->engine->isOscControlRegistered() && pData->id < pData->engine->getCurrentPluginCount())

  1211.         {

  1212.             pData->engine->oscSend_control_set_midi_program_count(pData->id, count);

  1213. 

  1214.             for (i=0; i < count; ++i)

  1215.                 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);

  1216.         }

  1217. #endif

  1218. 

  1219.         if (doInit)

  1220.         {

  1221.             if (count > 0)

  1222.                 setMidiProgram(0, false, false, false);

  1223.         }

  1224.         else

  1225.         {

  1226.             // Check if current program is invalid

  1227.             bool programChanged = false;

  1228. 

  1229.             if (count == oldCount+1)

  1230.             {

  1231.                 // one midi program added, probably created by user

  1232.                 pData->midiprog.current = static_cast<int32_t>(oldCount);

  1233.                 programChanged = true;

  1234.             }

  1235.             else if (current < 0 && count > 0)

  1236.             {

  1237.                 // programs exist now, but not before

  1238.                 pData->midiprog.current = 0;

  1239.                 programChanged = true;

  1240.             }

  1241.             else if (current >= 0 && count == 0)

  1242.             {

  1243.                 // programs existed before, but not anymore

  1244.                 pData->midiprog.current = -1;

  1245.                 programChanged = true;

  1246.             }

  1247.             else if (current >= static_cast<int32_t>(count))

  1248.             {

  1249.                 // current midi program > count

  1250.                 pData->midiprog.current = 0;

  1251.                 programChanged = true;

  1252.             }

  1253.             else

  1254.             {

  1255.                 // no change

  1256.                 pData->midiprog.current = current;

  1257.             }

  1258. 

  1259.             if (programChanged)

  1260.                 setMidiProgram(pData->midiprog.current, true, true, true);

  1261. 

  1262.             pData->engine->callback(ENGINE_CALLBACK_RELOAD_PROGRAMS, pData->id, 0, 0, 0.0f, nullptr);

  1263.         }

  1264.     }

  1265. 

  1266.     // -------------------------------------------------------------------

  1267.     // Plugin processing

  1268. 

  1269.     void activate() noexcept override

  1270.     {

  1271.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1272.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  1273. 

  1274.         if (fDescriptor->activate != nullptr)

  1275.         {

  1276.             try {

  1277.                 fDescriptor->activate(fHandle);

  1278.             } catch(...) {}

  1279. 

  1280.             if (fHandle2 != nullptr)

  1281.             {

  1282.                 try {

  1283.                     fDescriptor->activate(fHandle2);

  1284.                 } catch(...) {}

  1285.             }

  1286.         }

  1287.     }

  1288. 

  1289.     void deactivate() noexcept override

  1290.     {

  1291.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1292.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  1293. 

  1294.         if (fDescriptor->deactivate != nullptr)

  1295.         {

  1296.             try {

  1297.                 fDescriptor->deactivate(fHandle);

  1298.             } catch(...) {}

  1299. 

  1300.             if (fHandle2 != nullptr)

  1301.             {

  1302.                 try {

  1303.                     fDescriptor->deactivate(fHandle2);

  1304.                 } catch(...) {}

  1305.             }

  1306.         }

  1307.     }

  1308. 

  1309.     void process(const float** const audioIn, float** const audioOut, const float** const cvIn, float** const cvOut, const uint32_t frames) override

  1310.     {

  1311.         // --------------------------------------------------------------------------------------------------------

  1312.         // Check if active

  1313. 

  1314.         if (! pData->active)

  1315.         {

  1316.             // disable any output sound

  1317.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1318.                 FloatVectorOperations::clear(audioOut[i], static_cast<int>(frames));

  1319.             for (uint32_t i=0; i < pData->cvOut.count; ++i)

  1320.                 FloatVectorOperations::clear(cvOut[i], static_cast<int>(frames));

  1321.             return;

  1322.         }

  1323. 

  1324.         fMidiEventCount = 0;

  1325.         carla_zeroStructs(fMidiEvents, kPluginMaxMidiEvents*2);

  1326. 

  1327.         // --------------------------------------------------------------------------------------------------------

  1328.         // Check if needs reset

  1329. 

  1330.         if (pData->needsReset)

  1331.         {

  1332.             if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1333.             {

  1334.                 fMidiEventCount = MAX_MIDI_CHANNELS*2;

  1335. 

  1336.                 for (uint8_t k=0, i=MAX_MIDI_CHANNELS; k < MAX_MIDI_CHANNELS; ++k)

  1337.                 {

  1338.                     fMidiEvents[k].data[0] = uint8_t(MIDI_STATUS_CONTROL_CHANGE | (k & MIDI_CHANNEL_BIT));

  1339.                     fMidiEvents[k].data[1] = MIDI_CONTROL_ALL_NOTES_OFF;

  1340.                     fMidiEvents[k].data[2] = 0;

  1341.                     fMidiEvents[k].size    = 3;

  1342. 

  1343.                     fMidiEvents[k+i].data[0] = uint8_t(MIDI_STATUS_CONTROL_CHANGE | (k & MIDI_CHANNEL_BIT));

  1344.                     fMidiEvents[k+i].data[1] = MIDI_CONTROL_ALL_SOUND_OFF;

  1345.                     fMidiEvents[k+i].data[2] = 0;

  1346.                     fMidiEvents[k+i].size    = 3;

  1347.                 }

  1348.             }

  1349.             else if (pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1350.             {

  1351.                 fMidiEventCount = MAX_MIDI_NOTE;

  1352. 

  1353.                 for (uint8_t k=0; k < MAX_MIDI_NOTE; ++k)

  1354.                 {

  1355.                     fMidiEvents[k].data[0] = uint8_t(MIDI_STATUS_NOTE_OFF | (pData->ctrlChannel & MIDI_CHANNEL_BIT));

  1356.                     fMidiEvents[k].data[1] = k;

  1357.                     fMidiEvents[k].data[2] = 0;

  1358.                     fMidiEvents[k].size    = 3;

  1359.                 }

  1360.             }

  1361. 

  1362.             pData->needsReset = false;

  1363.         }

  1364. 

  1365.         // --------------------------------------------------------------------------------------------------------

  1366.         // Set TimeInfo

  1367. 

  1368.         const EngineTimeInfo& timeInfo(pData->engine->getTimeInfo());

  1369. 

  1370.         fTimeInfo.playing = timeInfo.playing;

  1371.         fTimeInfo.frame   = timeInfo.frame;

  1372.         fTimeInfo.usecs   = timeInfo.usecs;

  1373. 

  1374.         if (timeInfo.valid & EngineTimeInfo::kValidBBT)

  1375.         {

  1376.             fTimeInfo.bbt.valid = true;

  1377. 

  1378.             fTimeInfo.bbt.bar  = timeInfo.bbt.bar;

  1379.             fTimeInfo.bbt.beat = timeInfo.bbt.beat;

  1380.             fTimeInfo.bbt.tick = timeInfo.bbt.tick;

  1381.             fTimeInfo.bbt.barStartTick = timeInfo.bbt.barStartTick;

  1382. 

  1383.             fTimeInfo.bbt.beatsPerBar = timeInfo.bbt.beatsPerBar;

  1384.             fTimeInfo.bbt.beatType    = timeInfo.bbt.beatType;

  1385. 

  1386.             fTimeInfo.bbt.ticksPerBeat   = timeInfo.bbt.ticksPerBeat;

  1387.             fTimeInfo.bbt.beatsPerMinute = timeInfo.bbt.beatsPerMinute;

  1388.         }

  1389.         else

  1390.             fTimeInfo.bbt.valid = false;

  1391. 

  1392.         // --------------------------------------------------------------------------------------------------------

  1393.         // Event Input and Processing

  1394. 

  1395.         if (pData->event.portIn != nullptr)

  1396.         {

  1397.             // ----------------------------------------------------------------------------------------------------

  1398.             // MIDI Input (External)

  1399. 

  1400.             if (pData->extNotes.mutex.tryLock())

  1401.             {

  1402.                 ExternalMidiNote note = { 0, 0, 0 };

  1403. 

  1404.                 for (; fMidiEventCount < kPluginMaxMidiEvents*2 && ! pData->extNotes.data.isEmpty();)

  1405.                 {

  1406.                     note = pData->extNotes.data.getFirst(note, true);

  1407. 

  1408.                     CARLA_SAFE_ASSERT_CONTINUE(note.channel >= 0 && note.channel < MAX_MIDI_CHANNELS);

  1409. 

  1410.                     NativeMidiEvent& nativeEvent(fMidiEvents[fMidiEventCount++]);

  1411. 

  1412.                     nativeEvent.data[0] = uint8_t((note.velo > 0 ? MIDI_STATUS_NOTE_ON : MIDI_STATUS_NOTE_OFF) | (note.channel & MIDI_CHANNEL_BIT));

  1413.                     nativeEvent.data[1] = note.note;

  1414.                     nativeEvent.data[2] = note.velo;

  1415.                     nativeEvent.size    = 3;

  1416.                 }

  1417. 

  1418.                 pData->extNotes.mutex.unlock();

  1419. 

  1420.             } // End of MIDI Input (External)

  1421. 

  1422.             // ----------------------------------------------------------------------------------------------------

  1423.             // Event Input (System)

  1424. 

  1425. #ifndef BUILD_BRIDGE

  1426.             bool allNotesOffSent = false;

  1427. #endif

  1428.             bool sampleAccurate  = (pData->options & PLUGIN_OPTION_FIXED_BUFFERS) == 0;

  1429. 

  1430.             uint32_t startTime  = 0;

  1431.             uint32_t timeOffset = 0;

  1432.             uint32_t nextBankId;

  1433. 

  1434.             if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1435.                 nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1436.             else

  1437.                 nextBankId = 0;

  1438. 

  1439.             for (uint32_t m=0, max=jmax(1U, fMidiIn.count); m < max; ++m)

  1440.             {

  1441.                 CarlaEngineEventPort* const eventPort(m == 0 ? pData->event.portIn : fMidiIn.ports[m]);

  1442. 

  1443.             for (uint32_t i=0, numEvents=eventPort->getEventCount(); i < numEvents; ++i)

  1444.             {

  1445.                 const EngineEvent& event(eventPort->getEvent(i));

  1446. 

  1447.                 if (event.time >= frames)

  1448.                     continue;

  1449. 

  1450.                 CARLA_ASSERT_INT2(event.time >= timeOffset, event.time, timeOffset);

  1451. 

  1452.                 if (event.time > timeOffset && sampleAccurate)

  1453.                 {

  1454.                     if (processSingle(audioIn, audioOut, cvIn, cvOut, event.time - timeOffset, timeOffset))

  1455.                     {

  1456.                         startTime  = 0;

  1457.                         timeOffset = event.time;

  1458. 

  1459.                         if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1460.                             nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1461.                         else

  1462.                             nextBankId = 0;

  1463. 

  1464.                         if (fMidiEventCount > 0)

  1465.                         {

  1466.                             carla_zeroStructs(fMidiEvents, fMidiEventCount);

  1467.                             fMidiEventCount = 0;

  1468.                         }

  1469.                     }

  1470.                     else

  1471.                         startTime += timeOffset;

  1472.                 }

  1473. 

  1474.                 // Control change

  1475.                 switch (event.type)

  1476.                 {

  1477.                 case kEngineEventTypeNull:

  1478.                     break;

  1479. 

  1480.                 case kEngineEventTypeControl: {

  1481.                     const EngineControlEvent& ctrlEvent = event.ctrl;

  1482. 

  1483.                     switch (ctrlEvent.type)

  1484.                     {

  1485.                     case kEngineControlEventTypeNull:

  1486.                         break;

  1487. 

  1488.                     case kEngineControlEventTypeParameter: {

  1489. #ifndef BUILD_BRIDGE

  1490.                         // Control backend stuff

  1491.                         if (event.channel == pData->ctrlChannel)

  1492.                         {

  1493.                             float value;

  1494. 

  1495.                             if (MIDI_IS_CONTROL_BREATH_CONTROLLER(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_DRYWET) > 0)

  1496.                             {

  1497.                                 value = ctrlEvent.value;

  1498.                                 setDryWet(value, false, false);

  1499.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_DRYWET, 0, value);

  1500.                             }

  1501. 

  1502.                             if (MIDI_IS_CONTROL_CHANNEL_VOLUME(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_VOLUME) > 0)

  1503.                             {

  1504.                                 value = ctrlEvent.value*127.0f/100.0f;

  1505.                                 setVolume(value, false, false);

  1506.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_VOLUME, 0, value);

  1507.                             }

  1508. 

  1509.                             if (MIDI_IS_CONTROL_BALANCE(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_BALANCE) > 0)

  1510.                             {

  1511.                                 float left, right;

  1512.                                 value = ctrlEvent.value/0.5f - 1.0f;

  1513. 

  1514.                                 if (value < 0.0f)

  1515.                                 {

  1516.                                     left  = -1.0f;

  1517.                                     right = (value*2.0f)+1.0f;

  1518.                                 }

  1519.                                 else if (value > 0.0f)

  1520.                                 {

  1521.                                     left  = (value*2.0f)-1.0f;

  1522.                                     right = 1.0f;

  1523.                                 }

  1524.                                 else

  1525.                                 {

  1526.                                     left  = -1.0f;

  1527.                                     right = 1.0f;

  1528.                                 }

  1529. 

  1530.                                 setBalanceLeft(left, false, false);

  1531.                                 setBalanceRight(right, false, false);

  1532.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_LEFT, 0, left);

  1533.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_RIGHT, 0, right);

  1534.                             }

  1535.                         }

  1536. #endif

  1537.                         // Control plugin parameters

  1538.                         for (uint32_t k=0; k < pData->param.count; ++k)

  1539.                         {

  1540.                             if (pData->param.data[k].midiChannel != event.channel)

  1541.                                 continue;

  1542.                             if (pData->param.data[k].midiCC != ctrlEvent.param)

  1543.                                 continue;

  1544.                             if (pData->param.data[k].type != PARAMETER_INPUT)

  1545.                                 continue;

  1546.                             if ((pData->param.data[k].hints & PARAMETER_IS_AUTOMABLE) == 0)

  1547.                                 continue;

  1548. 

  1549.                             float value;

  1550. 

  1551.                             if (pData->param.data[k].hints & PARAMETER_IS_BOOLEAN)

  1552.                             {

  1553.                                 value = (ctrlEvent.value < 0.5f) ? pData->param.ranges[k].min : pData->param.ranges[k].max;

  1554.                             }

  1555.                             else

  1556.                             {

  1557.                                 value = pData->param.ranges[k].getUnnormalizedValue(ctrlEvent.value);

  1558. 

  1559.                                 if (pData->param.data[k].hints & PARAMETER_IS_INTEGER)

  1560.                                     value = std::rint(value);

  1561.                             }

  1562. 

  1563.                             setParameterValue(k, value, false, false, false);

  1564.                             pData->postponeRtEvent(kPluginPostRtEventParameterChange, static_cast<int32_t>(k), 0, value);

  1565.                         }

  1566. 

  1567.                         if ((pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0 && ctrlEvent.param < MAX_MIDI_CONTROL)

  1568.                         {

  1569.                             if (fMidiEventCount >= kPluginMaxMidiEvents*2)

  1570.                                 continue;

  1571. 

  1572.                             NativeMidiEvent& nativeEvent(fMidiEvents[fMidiEventCount++]);

  1573.                             carla_zeroStruct(nativeEvent);

  1574. 

  1575.                             nativeEvent.time    = sampleAccurate ? startTime : event.time;

  1576.                             nativeEvent.data[0] = uint8_t(MIDI_STATUS_CONTROL_CHANGE | (event.channel & MIDI_CHANNEL_BIT));

  1577.                             nativeEvent.data[1] = uint8_t(ctrlEvent.param);

  1578.                             nativeEvent.data[2] = uint8_t(ctrlEvent.value*127.0f);

  1579.                             nativeEvent.size    = 3;

  1580.                         }

  1581.                         break;

  1582.                     }

  1583. 

  1584.                     case kEngineControlEventTypeMidiBank:

  1585.                         if (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES)

  1586.                         {

  1587.                             if (event.channel == pData->ctrlChannel)

  1588.                                 nextBankId = ctrlEvent.param;

  1589.                         }

  1590.                         else if (pData->options & PLUGIN_OPTION_SEND_PROGRAM_CHANGES)

  1591.                         {

  1592.                             if (fMidiEventCount >= kPluginMaxMidiEvents*2)

  1593.                                 continue;

  1594. 

  1595.                             NativeMidiEvent& nativeEvent(fMidiEvents[fMidiEventCount++]);

  1596.                             carla_zeroStruct(nativeEvent);

  1597. 

  1598.                             nativeEvent.time    = sampleAccurate ? startTime : event.time;

  1599.                             nativeEvent.data[0] = uint8_t(MIDI_STATUS_CONTROL_CHANGE | (event.channel & MIDI_CHANNEL_BIT));

  1600.                             nativeEvent.data[1] = MIDI_CONTROL_BANK_SELECT;

  1601.                             nativeEvent.data[2] = uint8_t(ctrlEvent.param);

  1602.                             nativeEvent.size    = 3;

  1603.                         }

  1604.                         break;

  1605. 

  1606.                     case kEngineControlEventTypeMidiProgram:

  1607.                         if (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES)

  1608.                         {

  1609.                             if (event.channel < MAX_MIDI_CHANNELS)

  1610.                             {

  1611.                                 const uint32_t nextProgramId(ctrlEvent.param);

  1612. 

  1613.                                 for (uint32_t k=0; k < pData->midiprog.count; ++k)

  1614.                                 {

  1615.                                     if (pData->midiprog.data[k].bank == nextBankId && pData->midiprog.data[k].program == nextProgramId)

  1616.                                     {

  1617.                                         fDescriptor->set_midi_program(fHandle, event.channel, nextBankId, nextProgramId);

  1618. 

  1619.                                         if (fHandle2 != nullptr)

  1620.                                             fDescriptor->set_midi_program(fHandle2, event.channel, nextBankId, nextProgramId);

  1621. 

  1622.                                         fCurMidiProgs[event.channel] = static_cast<int32_t>(k);

  1623. 

  1624.                                         if (event.channel == pData->ctrlChannel)

  1625.                                             pData->postponeRtEvent(kPluginPostRtEventMidiProgramChange, static_cast<int32_t>(k), 0, 0.0f);

  1626. 

  1627.                                         break;

  1628.                                     }

  1629.                                 }

  1630.                             }

  1631.                         }

  1632.                         else if (pData->options & PLUGIN_OPTION_SEND_PROGRAM_CHANGES)

  1633.                         {

  1634.                             if (fMidiEventCount >= kPluginMaxMidiEvents*2)

  1635.                                 continue;

  1636. 

  1637.                             NativeMidiEvent& nativeEvent(fMidiEvents[fMidiEventCount++]);

  1638.                             carla_zeroStruct(nativeEvent);

  1639. 

  1640.                             nativeEvent.time    = sampleAccurate ? startTime : event.time;

  1641.                             nativeEvent.data[0] = uint8_t(MIDI_STATUS_PROGRAM_CHANGE | (event.channel & MIDI_CHANNEL_BIT));

  1642.                             nativeEvent.data[1] = uint8_t(ctrlEvent.param);

  1643.                             nativeEvent.size    = 2;

  1644.                         }

  1645.                         break;

  1646. 

  1647.                     case kEngineControlEventTypeAllSoundOff:

  1648.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1649.                         {

  1650.                             if (fMidiEventCount >= kPluginMaxMidiEvents*2)

  1651.                                 continue;

  1652. 

  1653.                             NativeMidiEvent& nativeEvent(fMidiEvents[fMidiEventCount++]);

  1654.                             carla_zeroStruct(nativeEvent);

  1655. 

  1656.                             nativeEvent.time    = sampleAccurate ? startTime : event.time;

  1657.                             nativeEvent.data[0] = uint8_t(MIDI_STATUS_CONTROL_CHANGE | (event.channel & MIDI_CHANNEL_BIT));

  1658.                             nativeEvent.data[1] = MIDI_CONTROL_ALL_SOUND_OFF;

  1659.                             nativeEvent.data[2] = 0;

  1660.                             nativeEvent.size    = 3;

  1661.                         }

  1662.                         break;

  1663. 

  1664.                     case kEngineControlEventTypeAllNotesOff:

  1665.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1666.                         {

  1667. #ifndef BUILD_BRIDGE

  1668.                             if (event.channel == pData->ctrlChannel && ! allNotesOffSent)

  1669.                             {

  1670.                                 allNotesOffSent = true;

  1671.                                 sendMidiAllNotesOffToCallback();

  1672.                             }

  1673. #endif

  1674. 

  1675.                             if (fMidiEventCount >= kPluginMaxMidiEvents*2)

  1676.                                 continue;

  1677. 

  1678.                             NativeMidiEvent& nativeEvent(fMidiEvents[fMidiEventCount++]);

  1679.                             carla_zeroStruct(nativeEvent);

  1680. 

  1681.                             nativeEvent.time    = sampleAccurate ? startTime : event.time;

  1682.                             nativeEvent.data[0] = uint8_t(MIDI_STATUS_CONTROL_CHANGE | (event.channel & MIDI_CHANNEL_BIT));

  1683.                             nativeEvent.data[1] = MIDI_CONTROL_ALL_NOTES_OFF;

  1684.                             nativeEvent.data[2] = 0;

  1685.                             nativeEvent.size    = 3;

  1686.                         }

  1687.                         break;

  1688.                     }

  1689.                     break;

  1690.                 }

  1691. 

  1692.                 case kEngineEventTypeMidi: {

  1693.                     if (fMidiEventCount >= kPluginMaxMidiEvents*2)

  1694.                         continue;

  1695. 

  1696.                     const EngineMidiEvent& midiEvent(event.midi);

  1697. 

  1698.                     if (midiEvent.size > 4)

  1699.                         continue;

  1700. #ifdef CARLA_PROPER_CPP11_SUPPORT

  1701.                     static_assert(4 <= EngineMidiEvent::kDataSize, "Incorrect data");

  1702. #endif

  1703. 

  1704.                     uint8_t status = uint8_t(MIDI_GET_STATUS_FROM_DATA(midiEvent.data));

  1705. 

  1706.                     if (status == MIDI_STATUS_CHANNEL_PRESSURE && (pData->options & PLUGIN_OPTION_SEND_CHANNEL_PRESSURE) == 0)

  1707.                         continue;

  1708.                     if (status == MIDI_STATUS_CONTROL_CHANGE && (pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) == 0)

  1709.                         continue;

  1710.                     if (status == MIDI_STATUS_POLYPHONIC_AFTERTOUCH && (pData->options & PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH) == 0)

  1711.                         continue;

  1712.                     if (status == MIDI_STATUS_PITCH_WHEEL_CONTROL && (pData->options & PLUGIN_OPTION_SEND_PITCHBEND) == 0)

  1713.                         continue;

  1714. 

  1715.                     // Fix bad note-off

  1716.                     if (status == MIDI_STATUS_NOTE_ON && midiEvent.data[2] == 0)

  1717.                         status = MIDI_STATUS_NOTE_OFF;

  1718. 

  1719.                     NativeMidiEvent& nativeEvent(fMidiEvents[fMidiEventCount++]);

  1720.                     carla_zeroStruct(nativeEvent);

  1721. 

  1722.                     nativeEvent.port = midiEvent.port;

  1723.                     nativeEvent.time = sampleAccurate ? startTime : event.time;

  1724.                     nativeEvent.size = midiEvent.size;

  1725. 

  1726.                     nativeEvent.data[0] = uint8_t(status | (event.channel & MIDI_CHANNEL_BIT));

  1727.                     nativeEvent.data[1] = midiEvent.size >= 2 ? midiEvent.data[1] : 0;

  1728.                     nativeEvent.data[2] = midiEvent.size >= 3 ? midiEvent.data[2] : 0;

  1729.                     nativeEvent.data[3] = midiEvent.size == 4 ? midiEvent.data[3] : 0;

  1730. 

  1731.                     if (status == MIDI_STATUS_NOTE_ON)

  1732.                         pData->postponeRtEvent(kPluginPostRtEventNoteOn, event.channel, midiEvent.data[1], midiEvent.data[2]);

  1733.                     else if (status == MIDI_STATUS_NOTE_OFF)

  1734.                         pData->postponeRtEvent(kPluginPostRtEventNoteOff, event.channel, midiEvent.data[1], 0.0f);

  1735.                 } break;

  1736.                 } // switch (event.type)

  1737.             }

  1738. 

  1739.             pData->postRtEvents.trySplice();

  1740. 

  1741.             if (frames > timeOffset)

  1742.                 processSingle(audioIn, audioOut, cvIn, cvOut, frames - timeOffset, timeOffset);

  1743. 

  1744.             } // eventPort

  1745. 

  1746.         } // End of Event Input and Processing

  1747. 

  1748.         // --------------------------------------------------------------------------------------------------------

  1749.         // Plugin processing (no events)

  1750. 

  1751.         else

  1752.         {

  1753.             processSingle(audioIn, audioOut, cvIn, cvOut, frames, 0);

  1754. 

  1755.         } // End of Plugin processing (no events)

  1756. 

  1757.         // --------------------------------------------------------------------------------------------------------

  1758.         // Control and MIDI Output

  1759. 

  1760.         if (pData->event.portOut != nullptr)

  1761.         {

  1762. #ifndef BUILD_BRIDGE

  1763.             float value, curValue;

  1764. 

  1765.             for (uint32_t k=0; k < pData->param.count; ++k)

  1766.             {

  1767.                 if (pData->param.data[k].type != PARAMETER_OUTPUT)

  1768.                     continue;

  1769. 

  1770.                 curValue = fDescriptor->get_parameter_value(fHandle, k);

  1771.                 pData->param.ranges[k].fixValue(curValue);

  1772. 

  1773.                 if (pData->param.data[k].midiCC > 0)

  1774.                 {

  1775.                     value = pData->param.ranges[k].getNormalizedValue(curValue);

  1776.                     pData->event.portOut->writeControlEvent(0, pData->param.data[k].midiChannel, kEngineControlEventTypeParameter, static_cast<uint16_t>(pData->param.data[k].midiCC), value);

  1777.                 }

  1778.             }

  1779. #endif

  1780. 

  1781.             // reverse lookup MIDI events

  1782.             for (uint32_t k = (kPluginMaxMidiEvents*2)-1; k >= fMidiEventCount; --k)

  1783.             {

  1784.                 if (fMidiEvents[k].data[0] == 0)

  1785.                     break;

  1786. 

  1787.                 const uint8_t channel = uint8_t(MIDI_GET_CHANNEL_FROM_DATA(fMidiEvents[k].data));

  1788.                 const uint8_t port    = fMidiEvents[k].port;

  1789. 

  1790.                 if (fMidiOut.count > 1 && port < fMidiOut.count)

  1791.                     fMidiOut.ports[port]->writeMidiEvent(fMidiEvents[k].time, channel, fMidiEvents[k].size, fMidiEvents[k].data);

  1792.                 else

  1793.                     pData->event.portOut->writeMidiEvent(fMidiEvents[k].time, channel, fMidiEvents[k].size, fMidiEvents[k].data);

  1794.             }

  1795. 

  1796.         } // End of Control and MIDI Output

  1797.     }

  1798. 

  1799.     bool processSingle(const float** const audioIn, float** const audioOut, const float** const cvIn, float** const cvOut, const uint32_t frames, const uint32_t timeOffset)

  1800.     {

  1801.         CARLA_SAFE_ASSERT_RETURN(frames > 0, false);

  1802. 

  1803.         if (pData->audioIn.count > 0)

  1804.         {

  1805.             CARLA_SAFE_ASSERT_RETURN(audioIn != nullptr, false);

  1806.         }

  1807.         if (pData->audioOut.count > 0)

  1808.         {

  1809.             CARLA_SAFE_ASSERT_RETURN(audioOut != nullptr, false);

  1810.         }

  1811.         if (pData->cvIn.count > 0)

  1812.         {

  1813.             CARLA_SAFE_ASSERT_RETURN(cvIn != nullptr, false);

  1814.         }

  1815.         if (pData->cvOut.count > 0)

  1816.         {

  1817.             CARLA_SAFE_ASSERT_RETURN(cvOut != nullptr, false);

  1818.         }

  1819. 

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

  1821.         // Try lock, silence otherwise

  1822. 

  1823.         if (fIsOffline)

  1824.         {

  1825.             pData->singleMutex.lock();

  1826.         }

  1827.         else if (! pData->singleMutex.tryLock())

  1828.         {

  1829.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1830.             {

  1831.                 for (uint32_t k=0; k < frames; ++k)

  1832.                     audioOut[i][k+timeOffset] = 0.0f;

  1833.             }

  1834.             for (uint32_t i=0; i < pData->cvOut.count; ++i)

  1835.             {

  1836.                 for (uint32_t k=0; k < frames; ++k)

  1837.                     cvOut[i][k+timeOffset] = 0.0f;

  1838.             }

  1839. 

  1840.             return false;

  1841.         }

  1842. 

  1843.         // --------------------------------------------------------------------------------------------------------

  1844.         // Set audio buffers

  1845. 

  1846.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1847.             FloatVectorOperations::copy(fAudioInBuffers[i], audioIn[i]+timeOffset, static_cast<int>(frames));

  1848. 

  1849.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1850.             FloatVectorOperations::clear(fAudioOutBuffers[i], static_cast<int>(frames));

  1851. 

  1852. #if 0

  1853.         // --------------------------------------------------------------------------------------------------------

  1854.         // Set CV buffers

  1855. 

  1856.         for (uint32_t i=0; i < pData->cvIn.count; ++i)

  1857.             FloatVectorOperations::copy(fCvInBuffers[i], cvIn[i]+timeOffset, static_cast<int>(frames));

  1858. 

  1859.         for (uint32_t i=0; i < pData->cvOut.count; ++i)

  1860.             FloatVectorOperations::clear(fCvOutBuffers[i], static_cast<int>(frames));

  1861. #endif

  1862. 

  1863.         // --------------------------------------------------------------------------------------------------------

  1864.         // Run plugin

  1865. 

  1866.         fIsProcessing = true;

  1867. 

  1868.         if (fHandle2 == nullptr)

  1869.         {

  1870.             fDescriptor->process(fHandle, fAudioInBuffers, fAudioOutBuffers, frames, fMidiEvents, fMidiEventCount);

  1871.         }

  1872.         else

  1873.         {

  1874.             fDescriptor->process(fHandle,

  1875.                                  (pData->audioIn.count > 0) ? &fAudioInBuffers[0] : nullptr,

  1876.                                  (pData->audioOut.count > 0) ? &fAudioOutBuffers[0] : nullptr,

  1877.                                  frames, fMidiEvents, fMidiEventCount);

  1878. 

  1879.             fDescriptor->process(fHandle2,

  1880.                                  (pData->audioIn.count > 0) ? &fAudioInBuffers[1] : nullptr,

  1881.                                  (pData->audioOut.count > 0) ? &fAudioOutBuffers[1] : nullptr,

  1882.                                  frames, fMidiEvents, fMidiEventCount);

  1883.         }

  1884. 

  1885.         fIsProcessing = false;

  1886.         fTimeInfo.frame += frames;

  1887. 

  1888. #ifndef BUILD_BRIDGE

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

  1890.         // Post-processing (dry/wet, volume and balance)

  1891. 

  1892.         {

  1893.             const bool doDryWet  = (pData->hints & PLUGIN_CAN_DRYWET) != 0 && carla_isNotEqual(pData->postProc.dryWet, 1.0f);

  1894.             const bool doBalance = (pData->hints & PLUGIN_CAN_BALANCE) != 0 && ! (carla_isEqual(pData->postProc.balanceLeft, -1.0f) && carla_isEqual(pData->postProc.balanceRight, 1.0f));

  1895. 

  1896.             bool isPair;

  1897.             float bufValue, oldBufLeft[doBalance ? frames : 1];

  1898. 

  1899.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1900.             {

  1901.                 // Dry/Wet

  1902.                 if (doDryWet)

  1903.                 {

  1904.                     for (uint32_t k=0; k < frames; ++k)

  1905.                     {

  1906.                         bufValue = fAudioInBuffers[(pData->audioIn.count == 1) ? 0 : i][k];

  1907.                         fAudioOutBuffers[i][k] = (fAudioOutBuffers[i][k] * pData->postProc.dryWet) + (bufValue * (1.0f - pData->postProc.dryWet));

  1908.                     }

  1909.                 }

  1910. 

  1911.                 // Balance

  1912.                 if (doBalance)

  1913.                 {

  1914.                     isPair = (i % 2 == 0);

  1915. 

  1916.                     if (isPair)

  1917.                     {

  1918.                         CARLA_ASSERT(i+1 < pData->audioOut.count);

  1919.                         FloatVectorOperations::copy(oldBufLeft, fAudioOutBuffers[i], static_cast<int>(frames));

  1920.                     }

  1921. 

  1922.                     float balRangeL = (pData->postProc.balanceLeft  + 1.0f)/2.0f;

  1923.                     float balRangeR = (pData->postProc.balanceRight + 1.0f)/2.0f;

  1924. 

  1925.                     for (uint32_t k=0; k < frames; ++k)

  1926.                     {

  1927.                         if (isPair)

  1928.                         {

  1929.                             // left

  1930.                             fAudioOutBuffers[i][k]  = oldBufLeft[k]            * (1.0f - balRangeL);

  1931.                             fAudioOutBuffers[i][k] += fAudioOutBuffers[i+1][k] * (1.0f - balRangeR);

  1932.                         }

  1933.                         else

  1934.                         {

  1935.                             // right

  1936.                             fAudioOutBuffers[i][k]  = fAudioOutBuffers[i][k] * balRangeR;

  1937.                             fAudioOutBuffers[i][k] += oldBufLeft[k]          * balRangeL;

  1938.                         }

  1939.                     }

  1940.                 }

  1941. 

  1942.                 // Volume (and buffer copy)

  1943.                 {

  1944.                     for (uint32_t k=0; k < frames; ++k)

  1945.                         audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k] * pData->postProc.volume;

  1946.                 }

  1947.             }

  1948. 

  1949.         } // End of Post-processing

  1950. #else

  1951.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1952.         {

  1953.             for (uint32_t k=0; k < frames; ++k)

  1954.                 audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k];

  1955.         }

  1956. #endif

  1957. 

  1958. #if 0

  1959.         for (uint32_t i=0; i < pData->cvOut.count; ++i)

  1960.         {

  1961.             for (uint32_t k=0; k < frames; ++k)

  1962.                 cvOut[i][k+timeOffset] = fCvOutBuffers[i][k];

  1963.         }

  1964. #endif

  1965. 

  1966.         // --------------------------------------------------------------------------------------------------------

  1967. 

  1968.         pData->singleMutex.unlock();

  1969.         return true;

  1970.     }

  1971. 

  1972.     void bufferSizeChanged(const uint32_t newBufferSize) override

  1973.     {

  1974.         CARLA_ASSERT_INT(newBufferSize > 0, newBufferSize);

  1975.         carla_debug("CarlaPluginNative::bufferSizeChanged(%i)", newBufferSize);

  1976. 

  1977.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1978.         {

  1979.             if (fAudioInBuffers[i] != nullptr)

  1980.                 delete[] fAudioInBuffers[i];

  1981.             fAudioInBuffers[i] = new float[newBufferSize];

  1982.         }

  1983. 

  1984.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1985.         {

  1986.             if (fAudioOutBuffers[i] != nullptr)

  1987.                 delete[] fAudioOutBuffers[i];

  1988.             fAudioOutBuffers[i] = new float[newBufferSize];

  1989.         }

  1990. 

  1991.         if (fCurBufferSize == newBufferSize)

  1992.             return;

  1993. 

  1994.         fCurBufferSize = newBufferSize;

  1995. 

  1996.         if (fDescriptor != nullptr && fDescriptor->dispatcher != nullptr)

  1997.         {

  1998.             fDescriptor->dispatcher(fHandle, NATIVE_PLUGIN_OPCODE_BUFFER_SIZE_CHANGED, 0, static_cast<intptr_t>(newBufferSize), nullptr, 0.0f);

  1999. 

  2000.             if (fHandle2 != nullptr)

  2001.                 fDescriptor->dispatcher(fHandle2, NATIVE_PLUGIN_OPCODE_BUFFER_SIZE_CHANGED, 0, static_cast<intptr_t>(newBufferSize), nullptr, 0.0f);

  2002.         }

  2003.     }

  2004. 

  2005.     void sampleRateChanged(const double newSampleRate) override

  2006.     {

  2007.         CARLA_ASSERT_INT(newSampleRate > 0.0, newSampleRate);

  2008.         carla_debug("CarlaPluginNative::sampleRateChanged(%g)", newSampleRate);

  2009. 

  2010.         if (carla_isEqual(fCurSampleRate, newSampleRate))

  2011.             return;

  2012. 

  2013.         fCurSampleRate = newSampleRate;

  2014. 

  2015.         if (fDescriptor != nullptr && fDescriptor->dispatcher != nullptr)

  2016.         {

  2017.             fDescriptor->dispatcher(fHandle, NATIVE_PLUGIN_OPCODE_SAMPLE_RATE_CHANGED, 0, 0, nullptr, float(newSampleRate));

  2018. 

  2019.             if (fHandle2 != nullptr)

  2020.                 fDescriptor->dispatcher(fHandle2, NATIVE_PLUGIN_OPCODE_SAMPLE_RATE_CHANGED, 0, 0, nullptr, float(newSampleRate));

  2021.         }

  2022.     }

  2023. 

  2024.     void offlineModeChanged(const bool isOffline) override

  2025.     {

  2026.         if (fIsOffline == isOffline)

  2027.             return;

  2028. 

  2029.         fIsOffline = isOffline;

  2030. 

  2031.         if (fDescriptor != nullptr && fDescriptor->dispatcher != nullptr)

  2032.         {

  2033.             fDescriptor->dispatcher(fHandle, NATIVE_PLUGIN_OPCODE_OFFLINE_CHANGED, 0, isOffline ? 1 : 0, nullptr, 0.0f);

  2034. 

  2035.             if (fHandle2 != nullptr)

  2036.                 fDescriptor->dispatcher(fHandle2, NATIVE_PLUGIN_OPCODE_OFFLINE_CHANGED, 0, isOffline ? 1 : 0, nullptr, 0.0f);

  2037.         }

  2038.     }

  2039. 

  2040.     // -------------------------------------------------------------------

  2041.     // Plugin buffers

  2042. 

  2043.     void initBuffers() const noexcept override

  2044.     {

  2045.         fMidiIn.initBuffers();

  2046.         fMidiOut.initBuffers();

  2047. 

  2048.         CarlaPlugin::initBuffers();

  2049.     }

  2050. 

  2051.     void clearBuffers() noexcept override

  2052.     {

  2053.         carla_debug("CarlaPluginNative::clearBuffers() - start");

  2054. 

  2055.         if (fAudioInBuffers != nullptr)

  2056.         {

  2057.             for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2058.             {

  2059.                 if (fAudioInBuffers[i] != nullptr)

  2060.                 {

  2061.                     delete[] fAudioInBuffers[i];

  2062.                     fAudioInBuffers[i] = nullptr;

  2063.                 }

  2064.             }

  2065. 

  2066.             delete[] fAudioInBuffers;

  2067.             fAudioInBuffers = nullptr;

  2068.         }

  2069. 

  2070.         if (fAudioOutBuffers != nullptr)

  2071.         {

  2072.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2073.             {

  2074.                 if (fAudioOutBuffers[i] != nullptr)

  2075.                 {

  2076.                     delete[] fAudioOutBuffers[i];

  2077.                     fAudioOutBuffers[i] = nullptr;

  2078.                 }

  2079.             }

  2080. 

  2081.             delete[] fAudioOutBuffers;

  2082.             fAudioOutBuffers = nullptr;

  2083.         }

  2084. 

  2085.         if (fMidiIn.count > 1)

  2086.             pData->event.portIn = nullptr;

  2087. 

  2088.         if (fMidiOut.count > 1)

  2089.             pData->event.portOut = nullptr;

  2090. 

  2091.         fMidiIn.clear();

  2092.         fMidiOut.clear();

  2093. 

  2094.         CarlaPlugin::clearBuffers();

  2095. 

  2096.         carla_debug("CarlaPluginNative::clearBuffers() - end");

  2097.     }

  2098. 

  2099.     // -------------------------------------------------------------------

  2100.     // Post-poned UI Stuff

  2101. 

  2102.     void uiParameterChange(const uint32_t index, const float value) noexcept override

  2103.     {

  2104.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  2105.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  2106.         CARLA_SAFE_ASSERT_RETURN(index < pData->param.count,);

  2107. 

  2108.         if (! fIsUiVisible)

  2109.             return;

  2110. 

  2111.         if (fDescriptor->ui_set_parameter_value != nullptr)

  2112.             fDescriptor->ui_set_parameter_value(fHandle, index, value);

  2113.     }

  2114. 

  2115.     void uiMidiProgramChange(const uint32_t index) noexcept override

  2116.     {

  2117.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  2118.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  2119.         CARLA_SAFE_ASSERT_RETURN(index < pData->midiprog.count,);

  2120. 

  2121.         if (! fIsUiVisible)

  2122.             return;

  2123.         if (index >= pData->midiprog.count)

  2124.             return;

  2125. 

  2126.         if (fDescriptor->ui_set_midi_program != nullptr)

  2127.             fDescriptor->ui_set_midi_program(fHandle, 0, pData->midiprog.data[index].bank, pData->midiprog.data[index].program);

  2128.     }

  2129. 

  2130.     void uiNoteOn(const uint8_t channel, const uint8_t note, const uint8_t velo) noexcept override

  2131.     {

  2132.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  2133.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  2134.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2135.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2136.         CARLA_SAFE_ASSERT_RETURN(velo > 0 && velo < MAX_MIDI_VALUE,);

  2137. 

  2138.         if (! fIsUiVisible)

  2139.             return;

  2140. 

  2141.         // TODO

  2142.     }

  2143. 

  2144.     void uiNoteOff(const uint8_t channel, const uint8_t note) noexcept override

  2145.     {

  2146.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  2147.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  2148.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2149.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2150. 

  2151.         if (! fIsUiVisible)

  2152.             return;

  2153.         if (fDescriptor == nullptr || fHandle == nullptr)

  2154.             return;

  2155. 

  2156.         // TODO

  2157.     }

  2158. 

  2159.     // -------------------------------------------------------------------

  2160. 

  2161. protected:

  2162.     const NativeTimeInfo* handleGetTimeInfo() const noexcept

  2163.     {

  2164.         CARLA_SAFE_ASSERT_RETURN(fIsProcessing, nullptr);

  2165. 

  2166.         return &fTimeInfo;

  2167.     }

  2168. 

  2169.     bool handleWriteMidiEvent(const NativeMidiEvent* const event)

  2170.     {

  2171.         CARLA_SAFE_ASSERT_RETURN(pData->enabled, false);

  2172.         CARLA_SAFE_ASSERT_RETURN(fIsProcessing, false);

  2173.         CARLA_SAFE_ASSERT_RETURN(fMidiOut.count > 0 || pData->event.portOut != nullptr, false);

  2174.         CARLA_SAFE_ASSERT_RETURN(event != nullptr, false);

  2175.         CARLA_SAFE_ASSERT_RETURN(event->data[0] != 0, false);

  2176. 

  2177.         // reverse-find first free event, and put it there

  2178.         for (uint32_t i=(kPluginMaxMidiEvents*2)-1; i >= fMidiEventCount; --i)

  2179.         {

  2180.             if (fMidiEvents[i].data[0] != 0)

  2181.                 continue;

  2182. 

  2183.             std::memcpy(&fMidiEvents[i], event, sizeof(NativeMidiEvent));

  2184.             return true;

  2185.         }

  2186. 

  2187.         carla_stdout("CarlaPluginNative::handleWriteMidiEvent(%p) - buffer full", event);

  2188.         return false;

  2189.     }

  2190. 

  2191.     void handleUiParameterChanged(const uint32_t index, const float value)

  2192.     {

  2193.         setParameterValue(index, value, false, true, true);

  2194.     }

  2195. 

  2196.     void handleUiCustomDataChanged(const char* const key, const char* const value)

  2197.     {

  2198.         setCustomData(CUSTOM_DATA_TYPE_STRING, key, value, false);

  2199.     }

  2200. 

  2201.     void handleUiClosed()

  2202.     {

  2203.         pData->engine->callback(ENGINE_CALLBACK_UI_STATE_CHANGED, pData->id, 0, 0, 0.0f, nullptr);

  2204.         fIsUiVisible = false;

  2205.     }

  2206. 

  2207.     const char* handleUiOpenFile(const bool isDir, const char* const title, const char* const filter)

  2208.     {

  2209.         return pData->engine->runFileCallback(FILE_CALLBACK_OPEN, isDir, title, filter);

  2210.     }

  2211. 

  2212.     const char* handleUiSaveFile(const bool isDir, const char* const title, const char* const filter)

  2213.     {

  2214.         return pData->engine->runFileCallback(FILE_CALLBACK_SAVE, isDir, title, filter);

  2215.     }

  2216. 

  2217.     intptr_t handleDispatcher(const NativeHostDispatcherOpcode opcode, const int32_t index, const intptr_t value, void* const ptr, const float opt)

  2218.     {

  2219.         carla_debug("CarlaPluginNative::handleDispatcher(%i, %i, " P_INTPTR ", %p, %f)", opcode, index, value, ptr, opt);

  2220. 

  2221.         intptr_t ret = 0;

  2222. 

  2223.         switch (opcode)

  2224.         {

  2225.         case NATIVE_HOST_OPCODE_NULL:

  2226.             break;

  2227.         case NATIVE_HOST_OPCODE_UPDATE_PARAMETER:

  2228.             // TODO

  2229.             pData->engine->callback(ENGINE_CALLBACK_UPDATE, pData->id, -1, 0, 0.0f, nullptr);

  2230.             break;

  2231.         case NATIVE_HOST_OPCODE_UPDATE_MIDI_PROGRAM:

  2232.             // TODO

  2233.             pData->engine->callback(ENGINE_CALLBACK_UPDATE, pData->id, -1, 0, 0.0f, nullptr);

  2234.             break;

  2235.         case NATIVE_HOST_OPCODE_RELOAD_PARAMETERS:

  2236.             reload(); // FIXME

  2237.             pData->engine->callback(ENGINE_CALLBACK_RELOAD_PARAMETERS, pData->id, -1, 0, 0.0f, nullptr);

  2238.             break;

  2239.         case NATIVE_HOST_OPCODE_RELOAD_MIDI_PROGRAMS:

  2240.             reloadPrograms(false);

  2241.             pData->engine->callback(ENGINE_CALLBACK_RELOAD_PROGRAMS, pData->id, -1, 0, 0.0f, nullptr);

  2242.             break;

  2243.         case NATIVE_HOST_OPCODE_RELOAD_ALL:

  2244.             reload();

  2245.             pData->engine->callback(ENGINE_CALLBACK_RELOAD_ALL, pData->id, -1, 0, 0.0f, nullptr);

  2246.             break;

  2247.         case NATIVE_HOST_OPCODE_UI_UNAVAILABLE:

  2248.             pData->engine->callback(ENGINE_CALLBACK_UI_STATE_CHANGED, pData->id, -1, 0, 0.0f, nullptr);

  2249.             fIsUiAvailable = false;

  2250.             break;

  2251.         case NATIVE_HOST_OPCODE_HOST_IDLE:

  2252.             pData->engine->callback(ENGINE_CALLBACK_IDLE, 0, 0, 0, 0.0f, nullptr);

  2253.             break;

  2254.         }

  2255. 

  2256.         return ret;

  2257. 

  2258.         // unused for now

  2259.         (void)index;

  2260.         (void)value;

  2261.         (void)ptr;

  2262.         (void)opt;

  2263.     }

  2264. 

  2265.     // -------------------------------------------------------------------

  2266. 

  2267. public:

  2268.     void* getNativeHandle() const noexcept override

  2269.     {

  2270.         return fHandle;

  2271.     }

  2272. 

  2273.     const void* getNativeDescriptor() const noexcept override

  2274.     {

  2275.         return fDescriptor;

  2276.     }

  2277. 

  2278.     // -------------------------------------------------------------------

  2279. 

  2280.     bool init(const char* const name, const char* const label, const uint options)

  2281.     {

  2282.         CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr, false);

  2283. 

  2284.         // ---------------------------------------------------------------

  2285.         // first checks

  2286. 

  2287.         if (pData->client != nullptr)

  2288.         {

  2289.             pData->engine->setLastError("Plugin client is already registered");

  2290.             return false;

  2291.         }

  2292. 

  2293.         if (label == nullptr && label[0] != '\0')

  2294.         {

  2295.             pData->engine->setLastError("null label");

  2296.             return false;

  2297.         }

  2298. 

  2299.         // ---------------------------------------------------------------

  2300.         // get descriptor that matches label

  2301. 

  2302.         sPluginInitializer.initIfNeeded();

  2303. 

  2304.         for (LinkedList<const NativePluginDescriptor*>::Itenerator it = gPluginDescriptors.begin2(); it.valid(); it.next())

  2305.         {

  2306.             fDescriptor = it.getValue();

  2307. 

  2308.             CARLA_SAFE_ASSERT_BREAK(fDescriptor != nullptr);

  2309. 

  2310.             carla_debug("Check vs \"%s\"", fDescriptor->label);

  2311. 

  2312.             if (fDescriptor->label != nullptr && std::strcmp(fDescriptor->label, label) == 0)

  2313.                 break;

  2314. 

  2315.             fDescriptor = nullptr;

  2316.         }

  2317. 

  2318.         if (fDescriptor == nullptr)

  2319.         {

  2320.             pData->engine->setLastError("Invalid internal plugin");

  2321.             return false;

  2322.         }

  2323. 

  2324.         // ---------------------------------------------------------------

  2325.         // set icon

  2326. 

  2327.         if (std::strcmp(fDescriptor->label, "audiofile") == 0)

  2328.             pData->iconName = carla_strdup_safe("file");

  2329.         else if (std::strcmp(fDescriptor->label, "midifile") == 0)

  2330.             pData->iconName = carla_strdup_safe("file");

  2331. 

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

  2333.         // get info

  2334. 

  2335.         if (name != nullptr && name[0] != '\0')

  2336.             pData->name = pData->engine->getUniquePluginName(name);

  2337.         else if (fDescriptor->name != nullptr && fDescriptor->name[0] != '\0')

  2338.             pData->name = pData->engine->getUniquePluginName(fDescriptor->name);

  2339.         else

  2340.             pData->name = pData->engine->getUniquePluginName(label);

  2341. 

  2342.         {

  2343.             CARLA_ASSERT(fHost.uiName == nullptr);

  2344. 

  2345.             char uiName[std::strlen(pData->name)+6+1];

  2346.             std::strcpy(uiName, pData->name);

  2347.             std::strcat(uiName, " (GUI)");

  2348. 

  2349.             fHost.uiName = carla_strdup(uiName);

  2350.         }

  2351. 

  2352.         // ---------------------------------------------------------------

  2353.         // register client

  2354. 

  2355.         pData->client = pData->engine->addClient(this);

  2356. 

  2357.         if (pData->client == nullptr || ! pData->client->isOk())

  2358.         {

  2359.             pData->engine->setLastError("Failed to register plugin client");

  2360.             return false;

  2361.         }

  2362. 

  2363.         // ---------------------------------------------------------------

  2364.         // initialize plugin

  2365. 

  2366.         fHandle = fDescriptor->instantiate(&fHost);

  2367. 

  2368.         if (fHandle == nullptr)

  2369.         {

  2370.             pData->engine->setLastError("Plugin failed to initialize");

  2371.             return false;

  2372.         }

  2373. 

  2374.         // ---------------------------------------------------------------

  2375.         // set default options

  2376. 

  2377.         const bool hasMidiProgs(fDescriptor->get_midi_program_count != nullptr && fDescriptor->get_midi_program_count(fHandle) > 0);

  2378. 

  2379.         pData->options = 0x0;

  2380. 

  2381.         if (getMidiInCount() > 0 || (fDescriptor->hints & NATIVE_PLUGIN_NEEDS_FIXED_BUFFERS) != 0)

  2382.             pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;

  2383.          else if (options & PLUGIN_OPTION_FIXED_BUFFERS)

  2384.             pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;

  2385. 

  2386.         if (pData->engine->getOptions().forceStereo)

  2387.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  2388.         else if (options & PLUGIN_OPTION_FORCE_STEREO)

  2389.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  2390. 

  2391.         if (fDescriptor->supports & NATIVE_PLUGIN_SUPPORTS_CHANNEL_PRESSURE)

  2392.             pData->options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  2393.         if (fDescriptor->supports & NATIVE_PLUGIN_SUPPORTS_NOTE_AFTERTOUCH)

  2394.             pData->options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  2395.         if (fDescriptor->supports & NATIVE_PLUGIN_SUPPORTS_PITCHBEND)

  2396.             pData->options |= PLUGIN_OPTION_SEND_PITCHBEND;

  2397.         if (fDescriptor->supports & NATIVE_PLUGIN_SUPPORTS_ALL_SOUND_OFF)

  2398.             pData->options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  2399. 

  2400.         if (fDescriptor->supports & NATIVE_PLUGIN_SUPPORTS_PROGRAM_CHANGES)

  2401.         {

  2402.             CARLA_SAFE_ASSERT(! hasMidiProgs);

  2403.             pData->options |= PLUGIN_OPTION_SEND_PROGRAM_CHANGES;

  2404. 

  2405.             if (fDescriptor->supports & NATIVE_PLUGIN_SUPPORTS_CONTROL_CHANGES)

  2406.                 pData->options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  2407.         }

  2408.         else if (hasMidiProgs && fDescriptor->category == NATIVE_PLUGIN_CATEGORY_SYNTH)

  2409.             pData->options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  2410. 

  2411.         return true;

  2412.     }

  2413. 

  2414. 

  2415. private:

  2416.     NativePluginHandle   fHandle;

  2417.     NativePluginHandle   fHandle2;

  2418.     NativeHostDescriptor fHost;

  2419.     const NativePluginDescriptor* fDescriptor;

  2420. 

  2421.     bool fIsProcessing;

  2422.     bool fIsOffline;

  2423.     bool fIsUiAvailable;

  2424.     bool fIsUiVisible;

  2425. 

  2426.     float**         fAudioInBuffers;

  2427.     float**         fAudioOutBuffers;

  2428.     uint32_t        fMidiEventCount;

  2429.     NativeMidiEvent fMidiEvents[kPluginMaxMidiEvents*2];

  2430. 

  2431.     int32_t  fCurMidiProgs[MAX_MIDI_CHANNELS];

  2432.     uint32_t fCurBufferSize;

  2433.     double   fCurSampleRate;

  2434. 

  2435.     NativePluginMidiData fMidiIn;

  2436.     NativePluginMidiData fMidiOut;

  2437. 

  2438.     NativeTimeInfo fTimeInfo;

  2439. 

  2440.     // -------------------------------------------------------------------

  2441. 

  2442.     #define handlePtr ((CarlaPluginNative*)handle)

  2443. 

  2444.     static uint32_t carla_host_get_buffer_size(NativeHostHandle handle) noexcept

  2445.     {

  2446.         return handlePtr->fCurBufferSize;

  2447.     }

  2448. 

  2449.     static double carla_host_get_sample_rate(NativeHostHandle handle) noexcept

  2450.     {

  2451.         return handlePtr->fCurSampleRate;

  2452.     }

  2453. 

  2454.     static bool carla_host_is_offline(NativeHostHandle handle) noexcept

  2455.     {

  2456.         return handlePtr->fIsOffline;

  2457.     }

  2458. 

  2459.     static const NativeTimeInfo* carla_host_get_time_info(NativeHostHandle handle) noexcept

  2460.     {

  2461.         return handlePtr->handleGetTimeInfo();

  2462.     }

  2463. 

  2464.     static bool carla_host_write_midi_event(NativeHostHandle handle, const NativeMidiEvent* event)

  2465.     {

  2466.         return handlePtr->handleWriteMidiEvent(event);

  2467.     }

  2468. 

  2469.     static void carla_host_ui_parameter_changed(NativeHostHandle handle, uint32_t index, float value)

  2470.     {

  2471.         handlePtr->handleUiParameterChanged(index, value);

  2472.     }

  2473. 

  2474.     static void carla_host_ui_custom_data_changed(NativeHostHandle handle, const char* key, const char* value)

  2475.     {

  2476.         handlePtr->handleUiCustomDataChanged(key, value);

  2477.     }

  2478. 

  2479.     static void carla_host_ui_closed(NativeHostHandle handle)

  2480.     {

  2481.         handlePtr->handleUiClosed();

  2482.     }

  2483. 

  2484.     static const char* carla_host_ui_open_file(NativeHostHandle handle, bool isDir, const char* title, const char* filter)

  2485.     {

  2486.         return handlePtr->handleUiOpenFile(isDir, title, filter);

  2487.     }

  2488. 

  2489.     static const char* carla_host_ui_save_file(NativeHostHandle handle, bool isDir, const char* title, const char* filter)

  2490.     {

  2491.         return handlePtr->handleUiSaveFile(isDir, title, filter);

  2492.     }

  2493. 

  2494.     static intptr_t carla_host_dispatcher(NativeHostHandle handle, NativeHostDispatcherOpcode opcode, int32_t index, intptr_t value, void* ptr, float opt)

  2495.     {

  2496.         return handlePtr->handleDispatcher(opcode, index, value, ptr, opt);

  2497.     }

  2498. 

  2499.     #undef handlePtr

  2500. 

  2501.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaPluginNative)

  2502. };

  2503. 

  2504. // -----------------------------------------------------------------------

  2505. 

  2506. CarlaPlugin* CarlaPlugin::newNative(const Initializer& init)

  2507. {

  2508.     carla_debug("CarlaPlugin::newNative({%p, \"%s\", \"%s\", \"%s\", " P_INT64 "})", init.engine, init.filename, init.name, init.label, init.uniqueId);

  2509. 

  2510.     CarlaPluginNative* const plugin(new CarlaPluginNative(init.engine, init.id));

  2511. 

  2512.     if (! plugin->init(init.name, init.label, init.options))

  2513.     {

  2514.         delete plugin;

  2515.         return nullptr;

  2516.     }

  2517. 

  2518.     return plugin;

  2519. }

  2520. 

  2521. // -----------------------------------------------------------------------

  2522. 

  2523. CARLA_BACKEND_END_NAMESPACE