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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.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.           fIsUiAvailable(false),

  182.           fIsUiVisible(false),

  183.           fAudioInBuffers(nullptr),

  184.           fAudioOutBuffers(nullptr),

  185.           fMidiEventCount(0),

  186.           fMidiIn(),

  187.           fMidiOut(),

  188.           fTimeInfo(),

  189.           leakDetector_CarlaPluginNative()

  190.     {

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

  192. 

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

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

  195.         carla_zeroStruct<NativeTimeInfo>(fTimeInfo);

  196. 

  197.         fHost.handle      = this;

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

  199.         fHost.uiName      = nullptr;

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

  201. 

  202.         fHost.get_buffer_size        = carla_host_get_buffer_size;

  203.         fHost.get_sample_rate        = carla_host_get_sample_rate;

  204.         fHost.is_offline             = carla_host_is_offline;

  205.         fHost.get_time_info          = carla_host_get_time_info;

  206.         fHost.write_midi_event       = carla_host_write_midi_event;

  207.         fHost.ui_parameter_changed   = carla_host_ui_parameter_changed;

  208.         fHost.ui_custom_data_changed = carla_host_ui_custom_data_changed;

  209.         fHost.ui_closed              = carla_host_ui_closed;

  210.         fHost.ui_open_file           = carla_host_ui_open_file;

  211.         fHost.ui_save_file           = carla_host_ui_save_file;

  212.         fHost.dispatcher             = carla_host_dispatcher;

  213.     }

  214. 

  215.     ~CarlaPluginNative() override

  216.     {

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

  218. 

  219.         // close UI

  220.         if (pData->hints & PLUGIN_HAS_CUSTOM_UI)

  221.         {

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

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

  224. 

  225.             pData->transientTryCounter = 0;

  226.         }

  227. 

  228.         pData->singleMutex.lock();

  229.         pData->masterMutex.lock();

  230. 

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

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

  233. 

  234.         CARLA_ASSERT(! fIsProcessing);

  235. 

  236.         if (pData->active)

  237.         {

  238.             deactivate();

  239.             pData->active = false;

  240.         }

  241. 

  242.         if (fDescriptor != nullptr)

  243.         {

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

  245.             {

  246.                 if (fHandle != nullptr)

  247.                     fDescriptor->cleanup(fHandle);

  248.                 if (fHandle2 != nullptr)

  249.                     fDescriptor->cleanup(fHandle2);

  250.             }

  251. 

  252.             fHandle  = nullptr;

  253.             fHandle2 = nullptr;

  254.             fDescriptor = nullptr;

  255.         }

  256. 

  257.         if (fHost.resourceDir != nullptr)

  258.         {

  259.             delete[] fHost.resourceDir;

  260.             fHost.resourceDir = nullptr;

  261.         }

  262. 

  263.         if (fHost.uiName != nullptr)

  264.         {

  265.             delete[] fHost.uiName;

  266.             fHost.uiName = nullptr;

  267.         }

  268. 

  269.         clearBuffers();

  270.     }

  271. 

  272.     // -------------------------------------------------------------------

  273.     // Information (base)

  274. 

  275.     PluginType getType() const noexcept override

  276.     {

  277.         return PLUGIN_INTERNAL;

  278.     }

  279. 

  280.     PluginCategory getCategory() const noexcept override

  281.     {

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

  283. 

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

  285.     }

  286. 

  287.     // -------------------------------------------------------------------

  288.     // Information (count)

  289. 

  290.     uint32_t getMidiInCount() const noexcept override

  291.     {

  292.         return fMidiIn.count;

  293.     }

  294. 

  295.     uint32_t getMidiOutCount() const noexcept override

  296.     {

  297.         return fMidiOut.count;

  298.     }

  299. 

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

  301.     {

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

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

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

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

  306. 

  307.         // FIXME - try

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

  309.             return param->scalePointCount;

  310. 

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

  312.         return 0;

  313.     }

  314. 

  315.     // -------------------------------------------------------------------

  316.     // Information (current data)

  317. 

  318.     // nothing

  319. 

  320.     // -------------------------------------------------------------------

  321.     // Information (per-plugin data)

  322. 

  323.     uint getOptionsAvailable() const noexcept override

  324.     {

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

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

  327. 

  328.         // FIXME - try

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

  330. 

  331.         uint options = 0x0;

  332. 

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

  334.             options |= PLUGIN_OPTION_FIXED_BUFFERS;

  335. 

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

  337.         {

  338.             if (pData->options & PLUGIN_OPTION_FORCE_STEREO)

  339.                 options |= PLUGIN_OPTION_FORCE_STEREO;

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

  341.                 options |= PLUGIN_OPTION_FORCE_STEREO;

  342.         }

  343. 

  344.         if (fDescriptor->supports & NATIVE_PLUGIN_SUPPORTS_CONTROL_CHANGES)

  345.             options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  346.         if (fDescriptor->supports & NATIVE_PLUGIN_SUPPORTS_CHANNEL_PRESSURE)

  347.             options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  348.         if (fDescriptor->supports & NATIVE_PLUGIN_SUPPORTS_NOTE_AFTERTOUCH)

  349.             options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  350.         if (fDescriptor->supports & NATIVE_PLUGIN_SUPPORTS_PITCHBEND)

  351.             options |= PLUGIN_OPTION_SEND_PITCHBEND;

  352.         if (fDescriptor->supports & NATIVE_PLUGIN_SUPPORTS_ALL_SOUND_OFF)

  353.             options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  354. 

  355.         if (fDescriptor->supports & NATIVE_PLUGIN_SUPPORTS_PROGRAM_CHANGES)

  356.             options |= PLUGIN_OPTION_SEND_PROGRAM_CHANGES;

  357.         else if (hasMidiProgs)

  358.             options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  359. 

  360.         return options;

  361.     }

  362. 

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

  364.     {

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

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

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

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

  369. 

  370.         // FIXME - try

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

  372.     }

  373. 

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

  375.     {

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

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

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

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

  380. 

  381.         // FIXME - try

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

  383.         {

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

  385. 

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

  387.             return scalePoint->value;

  388.         }

  389. 

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

  391.         return 0.0f;

  392.     }

  393. 

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

  395.     {

  396.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  397. 

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

  399.         {

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

  401.             return;

  402.         }

  403. 

  404.         CarlaPlugin::getLabel(strBuf);

  405.     }

  406. 

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

  408.     {

  409.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  410. 

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

  412.         {

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

  414.             return;

  415.         }

  416. 

  417.         CarlaPlugin::getMaker(strBuf);

  418.     }

  419. 

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

  421.     {

  422.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  423. 

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

  425.         {

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

  427.             return;

  428.         }

  429. 

  430.         CarlaPlugin::getCopyright(strBuf);

  431.     }

  432. 

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

  434.     {

  435.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  436. 

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

  438.         {

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

  440.             return;

  441.         }

  442. 

  443.         CarlaPlugin::getRealName(strBuf);

  444.     }

  445. 

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

  447.     {

  448.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

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

  450.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  452. 

  453.         // FIXME - try

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

  455.         {

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

  457.             {

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

  459.                 return;

  460.             }

  461. 

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

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

  464.         }

  465. 

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

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

  468.     }

  469. 

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

  471.     {

  472.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

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

  474.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  476. 

  477.         // FIXME - try

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

  479.         {

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

  481.             {

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

  483.                 return;

  484.             }

  485. 

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

  487.         }

  488. 

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

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

  491.     }

  492. 

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

  494.     {

  495.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

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

  497.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  499. 

  500.         // FIXME - try

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

  502.         {

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

  504. 

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

  506. 

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

  508.             {

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

  510.                 return;

  511.             }

  512. 

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

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

  515.         }

  516. 

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

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

  519.     }

  520. 

  521.     // -------------------------------------------------------------------

  522.     // Set data (state)

  523. 

  524.     void prepareForSave() override

  525.     {

  526.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  527.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  528. 

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

  530.         {

  531.             char strBuf[STR_MAX+1];

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

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

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

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

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

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

  538. 

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

  540.         }

  541. 

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

  543.             return;

  544. 

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

  546.         {

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

  548.             std::free(data);

  549.         }

  550.     }

  551. 

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

  553.     // Set data (internal stuff)

  554. 

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

  556.     {

  557.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  558.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  560. 

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

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

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

  564. 

  565.         if (fHost.uiName != nullptr)

  566.             delete[] fHost.uiName;

  567.         fHost.uiName = carla_strdup(uiName);

  568. 

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

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

  571. 

  572.         CarlaPlugin::setName(newName);

  573.     }

  574. 

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

  576.     {

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

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

  579. 

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

  581.     }

  582. 

  583.     // -------------------------------------------------------------------

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

  585. 

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

  587.     {

  588.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

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

  590.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  592. 

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

  594. 

  595.         // FIXME - try

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

  597. 

  598.         if (fHandle2 != nullptr)

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

  600. 

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

  602.     }

  603. 

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

  605.     {

  606.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  607.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

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

  610.         CARLA_SAFE_ASSERT_RETURN(value != nullptr,);

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

  612. 

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

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

  615. 

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

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

  618. 

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

  620.         {

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

  622.             {

  623.                 const ScopedSingleProcessLocker spl(this, true);

  624. 

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

  626. 

  627.                 if (fHandle2 != nullptr)

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

  629.             }

  630.         }

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

  632.         {

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

  634. 

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

  636.             {

  637.                 uint8_t channel = 0;

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

  639.                 {

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

  641. 

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

  643.                     {

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

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

  646. 

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

  648. 

  649.                         if (fHandle2 != nullptr)

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

  651. 

  652.                         fCurMidiProgs[channel] = index;

  653. 

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

  655.                         {

  656.                             pData->midiprog.current = index;

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

  658.                         }

  659.                     }

  660. 

  661.                     ++channel;

  662.                 }

  663.                 CARLA_SAFE_ASSERT(channel == MAX_MIDI_CHANNELS);

  664.             }

  665.         }

  666.         else

  667.         {

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

  669.             {

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

  671. 

  672.                 if (fHandle2 != nullptr)

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

  674.             }

  675. 

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

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

  678.         }

  679. 

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

  681.     }

  682. 

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

  684.     {

  685.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  686.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  688. 

  689.         // TODO, put into check below

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

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

  692. 

  693.         if (index >= 0)

  694.         {

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

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

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

  698. 

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

  700. 

  701.             try {

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

  703.             } catch(...) {}

  704. 

  705.             if (fHandle2 != nullptr)

  706.             {

  707.                 try {

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

  709.                 } catch(...) {}

  710.             }

  711. 

  712.             fCurMidiProgs[channel] = index;

  713.         }

  714. 

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

  716.     }

  717. 

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

  719.     // Set ui stuff

  720. 

  721.     void showCustomUI(const bool yesNo) override

  722.     {

  723.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  724.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  725. 

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

  727.             return;

  728. 

  729.         fIsUiAvailable = true;

  730. 

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

  732. 

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

  734.         if (yesNo && ! fIsUiAvailable)

  735.             return;

  736. 

  737.         fIsUiVisible = yesNo;

  738. 

  739.         if (! yesNo)

  740.         {

  741.             pData->transientTryCounter = 0;

  742.             return;

  743.         }

  744. 

  745. #ifndef BUILD_BRIDGE

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

  747.             pData->tryTransient();

  748. #endif

  749. 

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

  751.         {

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

  753.             {

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

  755. 

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

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

  758.             }

  759.         }

  760. 

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

  762.         {

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

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

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

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

  767. 

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

  769.         }

  770. 

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

  772.         {

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

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

  775.         }

  776.     }

  777. 

  778.     void uiIdle() override

  779.     {

  780.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  781.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  782. 

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

  784.             fDescriptor->ui_idle(fHandle);

  785. 

  786.         CarlaPlugin::uiIdle();

  787.     }

  788. 

  789.     // -------------------------------------------------------------------

  790.     // Plugin state

  791. 

  792.     void reload() override

  793.     {

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

  795.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  796.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  798. 

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

  800. 

  801.         // Safely disable plugin for reload

  802.         const ScopedDisabler sd(this);

  803. 

  804.         if (pData->active)

  805.             deactivate();

  806. 

  807.         clearBuffers();

  808. 

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

  810. 

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

  812. 

  813.         bool forcedStereoIn, forcedStereoOut;

  814.         forcedStereoIn = forcedStereoOut = false;

  815. 

  816.         bool needsCtrlIn, needsCtrlOut;

  817.         needsCtrlIn = needsCtrlOut = false;

  818. 

  819.         aIns   = fDescriptor->audioIns;

  820.         aOuts  = fDescriptor->audioOuts;

  821.         mIns   = fDescriptor->midiIns;

  822.         mOuts  = fDescriptor->midiOuts;

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

  824. 

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

  826.         {

  827.             if (fHandle2 == nullptr)

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

  829. 

  830.             if (fHandle2 != nullptr)

  831.             {

  832.                 if (aIns == 1)

  833.                 {

  834.                     aIns = 2;

  835.                     forcedStereoIn = true;

  836.                 }

  837. 

  838.                 if (aOuts == 1)

  839.                 {

  840.                     aOuts = 2;

  841.                     forcedStereoOut = true;

  842.                 }

  843.             }

  844.         }

  845. 

  846.         if (aIns > 0)

  847.         {

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

  849.             fAudioInBuffers = new float*[aIns];

  850. 

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

  852.                 fAudioInBuffers[i] = nullptr;

  853.         }

  854. 

  855.         if (aOuts > 0)

  856.         {

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

  858.             fAudioOutBuffers = new float*[aOuts];

  859.             needsCtrlIn = true;

  860. 

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

  862.                 fAudioOutBuffers[i] = nullptr;

  863.         }

  864. 

  865.         if (mIns > 0)

  866.         {

  867.             fMidiIn.createNew(mIns);

  868.             needsCtrlIn = (mIns == 1);

  869.         }

  870. 

  871.         if (mOuts > 0)

  872.         {

  873.             fMidiOut.createNew(mOuts);

  874.             needsCtrlOut = (mOuts == 1);

  875.         }

  876. 

  877.         if (params > 0)

  878.         {

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

  880.         }

  881. 

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

  883.         CarlaString portName;

  884. 

  885.         // Audio Ins

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

  887.         {

  888.             portName.clear();

  889. 

  890.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  891.             {

  892.                 portName  = pData->name;

  893.                 portName += ":";

  894.             }

  895. 

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

  897.             {

  898.                 portName += "input_";

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

  900.             }

  901.             else

  902.                 portName += "input";

  903. 

  904.             portName.truncate(portNameSize);

  905. 

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

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

  908. 

  909.             if (forcedStereoIn)

  910.             {

  911.                 portName += "_2";

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

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

  914.                 break;

  915.             }

  916.         }

  917. 

  918.         // Audio Outs

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

  920.         {

  921.             portName.clear();

  922. 

  923.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  924.             {

  925.                 portName  = pData->name;

  926.                 portName += ":";

  927.             }

  928. 

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

  930.             {

  931.                 portName += "output_";

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

  933.             }

  934.             else

  935.                 portName += "output";

  936. 

  937.             portName.truncate(portNameSize);

  938. 

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

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

  941. 

  942.             if (forcedStereoOut)

  943.             {

  944.                 portName += "_2";

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

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

  947.                 break;

  948.             }

  949.         }

  950. 

  951.         // MIDI Input (only if multiple)

  952.         if (mIns > 1)

  953.         {

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

  955.             {

  956.                 portName.clear();

  957. 

  958.                 if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  959.                 {

  960.                     portName  = pData->name;

  961.                     portName += ":";

  962.                 }

  963. 

  964.                 portName += "midi-in_";

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

  966.                 portName.truncate(portNameSize);

  967. 

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

  969.                 fMidiIn.indexes[j] = j;

  970.             }

  971. 

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

  973.         }

  974. 

  975.         // MIDI Output (only if multiple)

  976.         if (mOuts > 1)

  977.         {

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

  979.             {

  980.                 portName.clear();

  981. 

  982.                 if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  983.                 {

  984.                     portName  = pData->name;

  985.                     portName += ":";

  986.                 }

  987. 

  988.                 portName += "midi-out_";

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

  990.                 portName.truncate(portNameSize);

  991. 

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

  993.                 fMidiOut.indexes[j] = j;

  994.             }

  995. 

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

  997.         }

  998. 

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

  1000.         {

  1001.             const NativeParameter* const paramInfo(fDescriptor->get_parameter_info(fHandle, j));

  1002. 

  1003.             CARLA_SAFE_ASSERT_CONTINUE(paramInfo != nullptr);

  1004. 

  1005.             pData->param.data[j].type   = PARAMETER_UNKNOWN;

  1006.             pData->param.data[j].index  = static_cast<int32_t>(j);

  1007.             pData->param.data[j].rindex = static_cast<int32_t>(j);

  1008. 

  1009.             float min, max, def, step, stepSmall, stepLarge;

  1010. 

  1011.             // min value

  1012.             min = paramInfo->ranges.min;

  1013. 

  1014.             // max value

  1015.             max = paramInfo->ranges.max;

  1016. 

  1017.             if (min > max)

  1018.                 max = min;

  1019.             else if (max < min)

  1020.                 min = max;

  1021. 

  1022.             if (carla_compareFloats(min, max))

  1023.             {

  1024.                 carla_stderr2("WARNING - Broken plugin parameter '%s': max == min", paramInfo->name);

  1025.                 max = min + 0.1f;

  1026.             }

  1027. 

  1028.             // default value

  1029.             def = paramInfo->ranges.def;

  1030. 

  1031.             if (def < min)

  1032.                 def = min;

  1033.             else if (def > max)

  1034.                 def = max;

  1035. 

  1036.             if (paramInfo->hints & NATIVE_PARAMETER_USES_SAMPLE_RATE)

  1037.             {

  1038.                 min *= sampleRate;

  1039.                 max *= sampleRate;

  1040.                 def *= sampleRate;

  1041.                 pData->param.data[j].hints |= PARAMETER_USES_SAMPLERATE;

  1042.             }

  1043. 

  1044.             if (paramInfo->hints & NATIVE_PARAMETER_IS_BOOLEAN)

  1045.             {

  1046.                 step = max - min;

  1047.                 stepSmall = step;

  1048.                 stepLarge = step;

  1049.                 pData->param.data[j].hints |= PARAMETER_IS_BOOLEAN;

  1050.             }

  1051.             else if (paramInfo->hints & NATIVE_PARAMETER_IS_INTEGER)

  1052.             {

  1053.                 step = 1.0f;

  1054.                 stepSmall = 1.0f;

  1055.                 stepLarge = 10.0f;

  1056.                 pData->param.data[j].hints |= PARAMETER_IS_INTEGER;

  1057.             }

  1058.             else

  1059.             {

  1060.                 float range = max - min;

  1061.                 step = range/100.0f;

  1062.                 stepSmall = range/1000.0f;

  1063.                 stepLarge = range/10.0f;

  1064.             }

  1065. 

  1066.             if (paramInfo->hints & NATIVE_PARAMETER_IS_OUTPUT)

  1067.             {

  1068.                 pData->param.data[j].type = PARAMETER_OUTPUT;

  1069.                 needsCtrlOut = true;

  1070.             }

  1071.             else

  1072.             {

  1073.                 pData->param.data[j].type = PARAMETER_INPUT;

  1074.                 needsCtrlIn = true;

  1075.             }

  1076. 

  1077.             // extra parameter hints

  1078.             if (paramInfo->hints & NATIVE_PARAMETER_IS_ENABLED)

  1079.                 pData->param.data[j].hints |= PARAMETER_IS_ENABLED;

  1080. 

  1081.             if (paramInfo->hints & NATIVE_PARAMETER_IS_AUTOMABLE)

  1082.                 pData->param.data[j].hints |= PARAMETER_IS_AUTOMABLE;

  1083. 

  1084.             if (paramInfo->hints & NATIVE_PARAMETER_IS_LOGARITHMIC)

  1085.                 pData->param.data[j].hints |= PARAMETER_IS_LOGARITHMIC;

  1086. 

  1087.             if (paramInfo->hints & NATIVE_PARAMETER_USES_SCALEPOINTS)

  1088.                 pData->param.data[j].hints |= PARAMETER_USES_SCALEPOINTS;

  1089. 

  1090.             pData->param.ranges[j].min = min;

  1091.             pData->param.ranges[j].max = max;

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

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

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

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

  1096.         }

  1097. 

  1098.         if (needsCtrlIn && mIns <= 1)

  1099.         {

  1100.             portName.clear();

  1101. 

  1102.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1103.             {

  1104.                 portName  = pData->name;

  1105.                 portName += ":";

  1106.             }

  1107. 

  1108.             portName += "events-in";

  1109.             portName.truncate(portNameSize);

  1110. 

  1111.             pData->event.portIn = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, true, 0);

  1112.         }

  1113. 

  1114.         if (needsCtrlOut && mOuts <= 1)

  1115.         {

  1116.             portName.clear();

  1117. 

  1118.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1119.             {

  1120.                 portName  = pData->name;

  1121.                 portName += ":";

  1122.             }

  1123. 

  1124.             portName += "events-out";

  1125.             portName.truncate(portNameSize);

  1126. 

  1127.             pData->event.portOut = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, false, 0);

  1128.         }

  1129. 

  1130.         if (forcedStereoIn || forcedStereoOut)

  1131.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  1132.         else

  1133.             pData->options &= ~PLUGIN_OPTION_FORCE_STEREO;

  1134. 

  1135.         // plugin hints

  1136.         pData->hints = 0x0;

  1137. 

  1138.         if (aOuts > 0 && (aIns == aOuts || aIns == 1))

  1139.             pData->hints |= PLUGIN_CAN_DRYWET;

  1140. 

  1141.         if (aOuts > 0)

  1142.             pData->hints |= PLUGIN_CAN_VOLUME;

  1143. 

  1144.         if (aOuts >= 2 && aOuts % 2 == 0)

  1145.             pData->hints |= PLUGIN_CAN_BALANCE;

  1146. 

  1147.         // native plugin hints

  1148.         if (fDescriptor->hints & NATIVE_PLUGIN_IS_RTSAFE)

  1149.             pData->hints |= PLUGIN_IS_RTSAFE;

  1150.         if (fDescriptor->hints & NATIVE_PLUGIN_IS_SYNTH)

  1151.             pData->hints |= PLUGIN_IS_SYNTH;

  1152.         if (fDescriptor->hints & NATIVE_PLUGIN_HAS_UI)

  1153.             pData->hints |= PLUGIN_HAS_CUSTOM_UI;

  1154.         if (fDescriptor->hints & NATIVE_PLUGIN_NEEDS_FIXED_BUFFERS)

  1155.             pData->hints |= PLUGIN_NEEDS_FIXED_BUFFERS;

  1156.         if (fDescriptor->hints & NATIVE_PLUGIN_NEEDS_UI_MAIN_THREAD)

  1157.             pData->hints |= PLUGIN_NEEDS_UI_MAIN_THREAD;

  1158.         if (fDescriptor->hints & NATIVE_PLUGIN_USES_MULTI_PROGS)

  1159.             pData->hints |= PLUGIN_USES_MULTI_PROGS;

  1160. 

  1161.         // extra plugin hints

  1162.         pData->extraHints = 0x0;

  1163. 

  1164.         if (aIns <= 2 && aOuts <= 2 && (aIns == aOuts || aIns == 0 || aOuts == 0) && mIns <= 1 && mOuts <= 1)

  1165.             pData->extraHints |= PLUGIN_EXTRA_HINT_CAN_RUN_RACK;

  1166. 

  1167.         bufferSizeChanged(pData->engine->getBufferSize());

  1168.         reloadPrograms(true);

  1169. 

  1170.         if (pData->active)

  1171.             activate();

  1172. 

  1173.         carla_debug("CarlaPluginNative::reload() - end");

  1174.     }

  1175. 

  1176.     void reloadPrograms(const bool doInit) override

  1177.     {

  1178.         carla_debug("CarlaPluginNative::reloadPrograms(%s)", bool2str(doInit));

  1179.         uint32_t i, oldCount  = pData->midiprog.count;

  1180.         const int32_t current = pData->midiprog.current;

  1181. 

  1182.         // Delete old programs

  1183.         pData->midiprog.clear();

  1184. 

  1185.         // Query new programs

  1186.         uint32_t count = 0;

  1187.         if (fDescriptor->get_midi_program_count != nullptr && fDescriptor->get_midi_program_info != nullptr && fDescriptor->set_midi_program != nullptr)

  1188.             count = fDescriptor->get_midi_program_count(fHandle);

  1189. 

  1190.         if (count > 0)

  1191.         {

  1192.             pData->midiprog.createNew(count);

  1193. 

  1194.             // Update data

  1195.             for (i=0; i < count; ++i)

  1196.             {

  1197.                 const NativeMidiProgram* const mpDesc(fDescriptor->get_midi_program_info(fHandle, i));

  1198.                 CARLA_SAFE_ASSERT_CONTINUE(mpDesc != nullptr);

  1199. 

  1200.                 pData->midiprog.data[i].bank    = mpDesc->bank;

  1201.                 pData->midiprog.data[i].program = mpDesc->program;

  1202.                 pData->midiprog.data[i].name    = carla_strdup(mpDesc->name);

  1203.             }

  1204.         }

  1205. 

  1206. #if defined(HAVE_LIBLO) && ! defined(BUILD_BRIDGE)

  1207.         // Update OSC Names

  1208.         if (pData->engine->isOscControlRegistered() && pData->id < pData->engine->getCurrentPluginCount())

  1209.         {

  1210.             pData->engine->oscSend_control_set_midi_program_count(pData->id, count);

  1211. 

  1212.             for (i=0; i < count; ++i)

  1213.                 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);

  1214.         }

  1215. #endif

  1216. 

  1217.         if (doInit)

  1218.         {

  1219.             if (count > 0)

  1220.                 setMidiProgram(0, false, false, false);

  1221.         }

  1222.         else

  1223.         {

  1224.             // Check if current program is invalid

  1225.             bool programChanged = false;

  1226. 

  1227.             if (count == oldCount+1)

  1228.             {

  1229.                 // one midi program added, probably created by user

  1230.                 pData->midiprog.current = static_cast<int32_t>(oldCount);

  1231.                 programChanged = true;

  1232.             }

  1233.             else if (current < 0 && count > 0)

  1234.             {

  1235.                 // programs exist now, but not before

  1236.                 pData->midiprog.current = 0;

  1237.                 programChanged = true;

  1238.             }

  1239.             else if (current >= 0 && count == 0)

  1240.             {

  1241.                 // programs existed before, but not anymore

  1242.                 pData->midiprog.current = -1;

  1243.                 programChanged = true;

  1244.             }

  1245.             else if (current >= static_cast<int32_t>(count))

  1246.             {

  1247.                 // current midi program > count

  1248.                 pData->midiprog.current = 0;

  1249.                 programChanged = true;

  1250.             }

  1251.             else

  1252.             {

  1253.                 // no change

  1254.                 pData->midiprog.current = current;

  1255.             }

  1256. 

  1257.             if (programChanged)

  1258.                 setMidiProgram(pData->midiprog.current, true, true, true);

  1259. 

  1260.             pData->engine->callback(ENGINE_CALLBACK_RELOAD_PROGRAMS, pData->id, 0, 0, 0.0f, nullptr);

  1261.         }

  1262.     }

  1263. 

  1264.     // -------------------------------------------------------------------

  1265.     // Plugin processing

  1266. 

  1267.     void activate() noexcept override

  1268.     {

  1269.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1270.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  1271. 

  1272.         if (fDescriptor->activate != nullptr)

  1273.         {

  1274.             try {

  1275.                 fDescriptor->activate(fHandle);

  1276.             } catch(...) {}

  1277. 

  1278.             if (fHandle2 != nullptr)

  1279.             {

  1280.                 try {

  1281.                     fDescriptor->activate(fHandle2);

  1282.                 } catch(...) {}

  1283.             }

  1284.         }

  1285.     }

  1286. 

  1287.     void deactivate() noexcept override

  1288.     {

  1289.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1290.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  1291. 

  1292.         if (fDescriptor->deactivate != nullptr)

  1293.         {

  1294.             try {

  1295.                 fDescriptor->deactivate(fHandle);

  1296.             } catch(...) {}

  1297. 

  1298.             if (fHandle2 != nullptr)

  1299.             {

  1300.                 try {

  1301.                     fDescriptor->deactivate(fHandle2);

  1302.                 } catch(...) {}

  1303.             }

  1304.         }

  1305.     }

  1306. 

  1307.     void process(const float** const audioIn, float** const audioOut, const float** const cvIn, float** const cvOut, const uint32_t frames) override

  1308.     {

  1309.         // --------------------------------------------------------------------------------------------------------

  1310.         // Check if active

  1311. 

  1312.         if (! pData->active)

  1313.         {

  1314.             // disable any output sound

  1315.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1316.                 FloatVectorOperations::clear(audioOut[i], static_cast<int>(frames));

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

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

  1319.             return;

  1320.         }

  1321. 

  1322.         fMidiEventCount = 0;

  1323.         carla_zeroStruct<NativeMidiEvent>(fMidiEvents, kPluginMaxMidiEvents*2);

  1324. 

  1325.         // --------------------------------------------------------------------------------------------------------

  1326.         // Check if needs reset

  1327. 

  1328.         if (pData->needsReset)

  1329.         {

  1330.             if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1331.             {

  1332.                 fMidiEventCount = MAX_MIDI_CHANNELS*2;

  1333. 

  1334.                 for (uint8_t k=0, i=MAX_MIDI_CHANNELS; k < MAX_MIDI_CHANNELS; ++k)

  1335.                 {

  1336.                     fMidiEvents[k].data[0] = uint8_t(MIDI_STATUS_CONTROL_CHANGE | (k & MIDI_CHANNEL_BIT));

  1337.                     fMidiEvents[k].data[1] = MIDI_CONTROL_ALL_NOTES_OFF;

  1338.                     fMidiEvents[k].data[2] = 0;

  1339.                     fMidiEvents[k].size    = 3;

  1340. 

  1341.                     fMidiEvents[k+i].data[0] = uint8_t(MIDI_STATUS_CONTROL_CHANGE | (k & MIDI_CHANNEL_BIT));

  1342.                     fMidiEvents[k+i].data[1] = MIDI_CONTROL_ALL_SOUND_OFF;

  1343.                     fMidiEvents[k+i].data[2] = 0;

  1344.                     fMidiEvents[k+i].size    = 3;

  1345.                 }

  1346.             }

  1347.             else if (pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1348.             {

  1349.                 fMidiEventCount = MAX_MIDI_NOTE;

  1350. 

  1351.                 for (uint8_t k=0; k < MAX_MIDI_NOTE; ++k)

  1352.                 {

  1353.                     fMidiEvents[k].data[0] = uint8_t(MIDI_STATUS_NOTE_OFF | (pData->ctrlChannel & MIDI_CHANNEL_BIT));

  1354.                     fMidiEvents[k].data[1] = k;

  1355.                     fMidiEvents[k].data[2] = 0;

  1356.                     fMidiEvents[k].size    = 3;

  1357.                 }

  1358.             }

  1359. 

  1360.             pData->needsReset = false;

  1361.         }

  1362. 

  1363.         // --------------------------------------------------------------------------------------------------------

  1364.         // Set TimeInfo

  1365. 

  1366.         const EngineTimeInfo& timeInfo(pData->engine->getTimeInfo());

  1367. 

  1368.         fTimeInfo.playing = timeInfo.playing;

  1369.         fTimeInfo.frame   = timeInfo.frame;

  1370.         fTimeInfo.usecs   = timeInfo.usecs;

  1371. 

  1372.         if (timeInfo.valid & EngineTimeInfo::kValidBBT)

  1373.         {

  1374.             fTimeInfo.bbt.valid = true;

  1375. 

  1376.             fTimeInfo.bbt.bar  = timeInfo.bbt.bar;

  1377.             fTimeInfo.bbt.beat = timeInfo.bbt.beat;

  1378.             fTimeInfo.bbt.tick = timeInfo.bbt.tick;

  1379.             fTimeInfo.bbt.barStartTick = timeInfo.bbt.barStartTick;

  1380. 

  1381.             fTimeInfo.bbt.beatsPerBar = timeInfo.bbt.beatsPerBar;

  1382.             fTimeInfo.bbt.beatType    = timeInfo.bbt.beatType;

  1383. 

  1384.             fTimeInfo.bbt.ticksPerBeat   = timeInfo.bbt.ticksPerBeat;

  1385.             fTimeInfo.bbt.beatsPerMinute = timeInfo.bbt.beatsPerMinute;

  1386.         }

  1387.         else

  1388.             fTimeInfo.bbt.valid = false;

  1389. 

  1390.         // --------------------------------------------------------------------------------------------------------

  1391.         // Event Input and Processing

  1392. 

  1393.         if (pData->event.portIn != nullptr)

  1394.         {

  1395.             // ----------------------------------------------------------------------------------------------------

  1396.             // MIDI Input (External)

  1397. 

  1398.             if (pData->extNotes.mutex.tryLock())

  1399.             {

  1400.                 ExternalMidiNote note = { 0, 0, 0 };

  1401. 

  1402.                 for (; fMidiEventCount < kPluginMaxMidiEvents*2 && ! pData->extNotes.data.isEmpty();)

  1403.                 {

  1404.                     note = pData->extNotes.data.getFirst(note, true);

  1405. 

  1406.                     CARLA_SAFE_ASSERT_CONTINUE(note.channel >= 0 && note.channel < MAX_MIDI_CHANNELS);

  1407. 

  1408.                     NativeMidiEvent& nativeEvent(fMidiEvents[fMidiEventCount++]);

  1409. 

  1410.                     nativeEvent.data[0] = uint8_t((note.velo > 0 ? MIDI_STATUS_NOTE_ON : MIDI_STATUS_NOTE_OFF) | (note.channel & MIDI_CHANNEL_BIT));

  1411.                     nativeEvent.data[1] = note.note;

  1412.                     nativeEvent.data[2] = note.velo;

  1413.                     nativeEvent.size    = 3;

  1414.                 }

  1415. 

  1416.                 pData->extNotes.mutex.unlock();

  1417. 

  1418.             } // End of MIDI Input (External)

  1419. 

  1420.             // ----------------------------------------------------------------------------------------------------

  1421.             // Event Input (System)

  1422. 

  1423. #ifndef BUILD_BRIDGE

  1424.             bool allNotesOffSent = false;

  1425. #endif

  1426.             bool sampleAccurate  = (pData->options & PLUGIN_OPTION_FIXED_BUFFERS) == 0;

  1427. 

  1428.             uint32_t startTime  = 0;

  1429.             uint32_t timeOffset = 0;

  1430.             uint32_t nextBankId;

  1431. 

  1432.             if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1433.                 nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1434.             else

  1435.                 nextBankId = 0;

  1436. 

  1437.             for (uint32_t m=0, max=jmax(1U, fMidiIn.count); m < max; ++m)

  1438.             {

  1439.                 CarlaEngineEventPort* const eventPort(m == 0 ? pData->event.portIn : fMidiIn.ports[m]);

  1440. 

  1441.             for (uint32_t i=0, numEvents=eventPort->getEventCount(); i < numEvents; ++i)

  1442.             {

  1443.                 const EngineEvent& event(eventPort->getEvent(i));

  1444. 

  1445.                 if (event.time >= frames)

  1446.                     continue;

  1447. 

  1448.                 CARLA_ASSERT_INT2(event.time >= timeOffset, event.time, timeOffset);

  1449. 

  1450.                 if (event.time > timeOffset && sampleAccurate)

  1451.                 {

  1452.                     if (processSingle(audioIn, audioOut, cvIn, cvOut, event.time - timeOffset, timeOffset))

  1453.                     {

  1454.                         startTime  = 0;

  1455.                         timeOffset = event.time;

  1456. 

  1457.                         if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1458.                             nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1459.                         else

  1460.                             nextBankId = 0;

  1461. 

  1462.                         if (fMidiEventCount > 0)

  1463.                         {

  1464.                             carla_zeroStruct<NativeMidiEvent>(fMidiEvents, fMidiEventCount);

  1465.                             fMidiEventCount = 0;

  1466.                         }

  1467.                     }

  1468.                     else

  1469.                         startTime += timeOffset;

  1470.                 }

  1471. 

  1472.                 // Control change

  1473.                 switch (event.type)

  1474.                 {

  1475.                 case kEngineEventTypeNull:

  1476.                     break;

  1477. 

  1478.                 case kEngineEventTypeControl: {

  1479.                     const EngineControlEvent& ctrlEvent = event.ctrl;

  1480. 

  1481.                     switch (ctrlEvent.type)

  1482.                     {

  1483.                     case kEngineControlEventTypeNull:

  1484.                         break;

  1485. 

  1486.                     case kEngineControlEventTypeParameter: {

  1487. #ifndef BUILD_BRIDGE

  1488.                         // Control backend stuff

  1489.                         if (event.channel == pData->ctrlChannel)

  1490.                         {

  1491.                             float value;

  1492. 

  1493.                             if (MIDI_IS_CONTROL_BREATH_CONTROLLER(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_DRYWET) > 0)

  1494.                             {

  1495.                                 value = ctrlEvent.value;

  1496.                                 setDryWet(value, false, false);

  1497.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_DRYWET, 0, value);

  1498.                             }

  1499. 

  1500.                             if (MIDI_IS_CONTROL_CHANNEL_VOLUME(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_VOLUME) > 0)

  1501.                             {

  1502.                                 value = ctrlEvent.value*127.0f/100.0f;

  1503.                                 setVolume(value, false, false);

  1504.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_VOLUME, 0, value);

  1505.                             }

  1506. 

  1507.                             if (MIDI_IS_CONTROL_BALANCE(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_BALANCE) > 0)

  1508.                             {

  1509.                                 float left, right;

  1510.                                 value = ctrlEvent.value/0.5f - 1.0f;

  1511. 

  1512.                                 if (value < 0.0f)

  1513.                                 {

  1514.                                     left  = -1.0f;

  1515.                                     right = (value*2.0f)+1.0f;

  1516.                                 }

  1517.                                 else if (value > 0.0f)

  1518.                                 {

  1519.                                     left  = (value*2.0f)-1.0f;

  1520.                                     right = 1.0f;

  1521.                                 }

  1522.                                 else

  1523.                                 {

  1524.                                     left  = -1.0f;

  1525.                                     right = 1.0f;

  1526.                                 }

  1527. 

  1528.                                 setBalanceLeft(left, false, false);

  1529.                                 setBalanceRight(right, false, false);

  1530.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_LEFT, 0, left);

  1531.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_RIGHT, 0, right);

  1532.                             }

  1533.                         }

  1534. #endif

  1535.                         // Control plugin parameters

  1536.                         for (uint32_t k=0; k < pData->param.count; ++k)

  1537.                         {

  1538.                             if (pData->param.data[k].midiChannel != event.channel)

  1539.                                 continue;

  1540.                             if (pData->param.data[k].midiCC != ctrlEvent.param)

  1541.                                 continue;

  1542.                             if (pData->param.data[k].type != PARAMETER_INPUT)

  1543.                                 continue;

  1544.                             if ((pData->param.data[k].hints & PARAMETER_IS_AUTOMABLE) == 0)

  1545.                                 continue;

  1546. 

  1547.                             float value;

  1548. 

  1549.                             if (pData->param.data[k].hints & PARAMETER_IS_BOOLEAN)

  1550.                             {

  1551.                                 value = (ctrlEvent.value < 0.5f) ? pData->param.ranges[k].min : pData->param.ranges[k].max;

  1552.                             }

  1553.                             else

  1554.                             {

  1555.                                 value = pData->param.ranges[k].getUnnormalizedValue(ctrlEvent.value);

  1556. 

  1557.                                 if (pData->param.data[k].hints & PARAMETER_IS_INTEGER)

  1558.                                     value = std::rint(value);

  1559.                             }

  1560. 

  1561.                             setParameterValue(k, value, false, false, false);

  1562.                             pData->postponeRtEvent(kPluginPostRtEventParameterChange, static_cast<int32_t>(k), 0, value);

  1563.                         }

  1564. 

  1565.                         if ((pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0 && ctrlEvent.param < MAX_MIDI_CONTROL)

  1566.                         {

  1567.                             if (fMidiEventCount >= kPluginMaxMidiEvents*2)

  1568.                                 continue;

  1569. 

  1570.                             NativeMidiEvent& nativeEvent(fMidiEvents[fMidiEventCount++]);

  1571.                             carla_zeroStruct(nativeEvent);

  1572. 

  1573.                             nativeEvent.time    = sampleAccurate ? startTime : event.time;

  1574.                             nativeEvent.data[0] = uint8_t(MIDI_STATUS_CONTROL_CHANGE | (event.channel & MIDI_CHANNEL_BIT));

  1575.                             nativeEvent.data[1] = uint8_t(ctrlEvent.param);

  1576.                             nativeEvent.data[2] = uint8_t(ctrlEvent.value*127.0f);

  1577.                             nativeEvent.size    = 3;

  1578.                         }

  1579.                         break;

  1580.                     }

  1581. 

  1582.                     case kEngineControlEventTypeMidiBank:

  1583.                         if (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES)

  1584.                         {

  1585.                             if (event.channel == pData->ctrlChannel)

  1586.                                 nextBankId = ctrlEvent.param;

  1587.                         }

  1588.                         else if (pData->options & PLUGIN_OPTION_SEND_PROGRAM_CHANGES)

  1589.                         {

  1590.                             if (fMidiEventCount >= kPluginMaxMidiEvents*2)

  1591.                                 continue;

  1592. 

  1593.                             NativeMidiEvent& nativeEvent(fMidiEvents[fMidiEventCount++]);

  1594.                             carla_zeroStruct(nativeEvent);

  1595. 

  1596.                             nativeEvent.time    = sampleAccurate ? startTime : event.time;

  1597.                             nativeEvent.data[0] = uint8_t(MIDI_STATUS_CONTROL_CHANGE | (event.channel & MIDI_CHANNEL_BIT));

  1598.                             nativeEvent.data[1] = MIDI_CONTROL_BANK_SELECT;

  1599.                             nativeEvent.data[2] = uint8_t(ctrlEvent.param);

  1600.                             nativeEvent.size    = 3;

  1601.                         }

  1602.                         break;

  1603. 

  1604.                     case kEngineControlEventTypeMidiProgram:

  1605.                         if (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES)

  1606.                         {

  1607.                             if (event.channel < MAX_MIDI_CHANNELS)

  1608.                             {

  1609.                                 const uint32_t nextProgramId(ctrlEvent.param);

  1610. 

  1611.                                 for (uint32_t k=0; k < pData->midiprog.count; ++k)

  1612.                                 {

  1613.                                     if (pData->midiprog.data[k].bank == nextBankId && pData->midiprog.data[k].program == nextProgramId)

  1614.                                     {

  1615.                                         fDescriptor->set_midi_program(fHandle, event.channel, nextBankId, nextProgramId);

  1616. 

  1617.                                         if (fHandle2 != nullptr)

  1618.                                             fDescriptor->set_midi_program(fHandle2, event.channel, nextBankId, nextProgramId);

  1619. 

  1620.                                         fCurMidiProgs[event.channel] = static_cast<int32_t>(k);

  1621. 

  1622.                                         if (event.channel == pData->ctrlChannel)

  1623.                                             pData->postponeRtEvent(kPluginPostRtEventMidiProgramChange, static_cast<int32_t>(k), 0, 0.0f);

  1624. 

  1625.                                         break;

  1626.                                     }

  1627.                                 }

  1628.                             }

  1629.                         }

  1630.                         else if (pData->options & PLUGIN_OPTION_SEND_PROGRAM_CHANGES)

  1631.                         {

  1632.                             if (fMidiEventCount >= kPluginMaxMidiEvents*2)

  1633.                                 continue;

  1634. 

  1635.                             NativeMidiEvent& nativeEvent(fMidiEvents[fMidiEventCount++]);

  1636.                             carla_zeroStruct(nativeEvent);

  1637. 

  1638.                             nativeEvent.time    = sampleAccurate ? startTime : event.time;

  1639.                             nativeEvent.data[0] = uint8_t(MIDI_STATUS_PROGRAM_CHANGE | (event.channel & MIDI_CHANNEL_BIT));

  1640.                             nativeEvent.data[1] = uint8_t(ctrlEvent.param);

  1641.                             nativeEvent.size    = 2;

  1642.                         }

  1643.                         break;

  1644. 

  1645.                     case kEngineControlEventTypeAllSoundOff:

  1646.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1647.                         {

  1648.                             if (fMidiEventCount >= kPluginMaxMidiEvents*2)

  1649.                                 continue;

  1650. 

  1651.                             NativeMidiEvent& nativeEvent(fMidiEvents[fMidiEventCount++]);

  1652.                             carla_zeroStruct(nativeEvent);

  1653. 

  1654.                             nativeEvent.time    = sampleAccurate ? startTime : event.time;

  1655.                             nativeEvent.data[0] = uint8_t(MIDI_STATUS_CONTROL_CHANGE | (event.channel & MIDI_CHANNEL_BIT));

  1656.                             nativeEvent.data[1] = MIDI_CONTROL_ALL_SOUND_OFF;

  1657.                             nativeEvent.data[2] = 0;

  1658.                             nativeEvent.size    = 3;

  1659.                         }

  1660.                         break;

  1661. 

  1662.                     case kEngineControlEventTypeAllNotesOff:

  1663.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1664.                         {

  1665. #ifndef BUILD_BRIDGE

  1666.                             if (event.channel == pData->ctrlChannel && ! allNotesOffSent)

  1667.                             {

  1668.                                 allNotesOffSent = true;

  1669.                                 sendMidiAllNotesOffToCallback();

  1670.                             }

  1671. #endif

  1672. 

  1673.                             if (fMidiEventCount >= kPluginMaxMidiEvents*2)

  1674.                                 continue;

  1675. 

  1676.                             NativeMidiEvent& nativeEvent(fMidiEvents[fMidiEventCount++]);

  1677.                             carla_zeroStruct(nativeEvent);

  1678. 

  1679.                             nativeEvent.time    = sampleAccurate ? startTime : event.time;

  1680.                             nativeEvent.data[0] = uint8_t(MIDI_STATUS_CONTROL_CHANGE | (event.channel & MIDI_CHANNEL_BIT));

  1681.                             nativeEvent.data[1] = MIDI_CONTROL_ALL_NOTES_OFF;

  1682.                             nativeEvent.data[2] = 0;

  1683.                             nativeEvent.size    = 3;

  1684.                         }

  1685.                         break;

  1686.                     }

  1687.                     break;

  1688.                 }

  1689. 

  1690.                 case kEngineEventTypeMidi: {

  1691.                     if (fMidiEventCount >= kPluginMaxMidiEvents*2)

  1692.                         continue;

  1693. 

  1694.                     const EngineMidiEvent& midiEvent(event.midi);

  1695. 

  1696.                     if (midiEvent.size > 4)

  1697.                         continue;

  1698. #ifdef CARLA_PROPER_CPP11_SUPPORT

  1699.                     static_assert(4 <= EngineMidiEvent::kDataSize, "Incorrect data");

  1700. #endif

  1701. 

  1702.                     uint8_t status = uint8_t(MIDI_GET_STATUS_FROM_DATA(midiEvent.data));

  1703. 

  1704.                     if (status == MIDI_STATUS_CHANNEL_PRESSURE && (pData->options & PLUGIN_OPTION_SEND_CHANNEL_PRESSURE) == 0)

  1705.                         continue;

  1706.                     if (status == MIDI_STATUS_CONTROL_CHANGE && (pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) == 0)

  1707.                         continue;

  1708.                     if (status == MIDI_STATUS_POLYPHONIC_AFTERTOUCH && (pData->options & PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH) == 0)

  1709.                         continue;

  1710.                     if (status == MIDI_STATUS_PITCH_WHEEL_CONTROL && (pData->options & PLUGIN_OPTION_SEND_PITCHBEND) == 0)

  1711.                         continue;

  1712. 

  1713.                     // Fix bad note-off

  1714.                     if (status == MIDI_STATUS_NOTE_ON && midiEvent.data[2] == 0)

  1715.                         status = MIDI_STATUS_NOTE_OFF;

  1716. 

  1717.                     NativeMidiEvent& nativeEvent(fMidiEvents[fMidiEventCount++]);

  1718.                     carla_zeroStruct(nativeEvent);

  1719. 

  1720.                     nativeEvent.port = midiEvent.port;

  1721.                     nativeEvent.time = sampleAccurate ? startTime : event.time;

  1722.                     nativeEvent.size = midiEvent.size;

  1723. 

  1724.                     nativeEvent.data[0] = uint8_t(status | (event.channel & MIDI_CHANNEL_BIT));

  1725.                     nativeEvent.data[1] = midiEvent.size >= 2 ? midiEvent.data[1] : 0;

  1726.                     nativeEvent.data[2] = midiEvent.size >= 3 ? midiEvent.data[2] : 0;

  1727.                     nativeEvent.data[3] = midiEvent.size == 4 ? midiEvent.data[3] : 0;

  1728. 

  1729.                     if (status == MIDI_STATUS_NOTE_ON)

  1730.                         pData->postponeRtEvent(kPluginPostRtEventNoteOn, event.channel, midiEvent.data[1], midiEvent.data[2]);

  1731.                     else if (status == MIDI_STATUS_NOTE_OFF)

  1732.                         pData->postponeRtEvent(kPluginPostRtEventNoteOff, event.channel, midiEvent.data[1], 0.0f);

  1733.                 } break;

  1734.                 } // switch (event.type)

  1735.             }

  1736. 

  1737.             pData->postRtEvents.trySplice();

  1738. 

  1739.             if (frames > timeOffset)

  1740.                 processSingle(audioIn, audioOut, cvIn, cvOut, frames - timeOffset, timeOffset);

  1741. 

  1742.             } // eventPort

  1743. 

  1744.         } // End of Event Input and Processing

  1745. 

  1746.         // --------------------------------------------------------------------------------------------------------

  1747.         // Plugin processing (no events)

  1748. 

  1749.         else

  1750.         {

  1751.             processSingle(audioIn, audioOut, cvIn, cvOut, frames, 0);

  1752. 

  1753.         } // End of Plugin processing (no events)

  1754. 

  1755.         // --------------------------------------------------------------------------------------------------------

  1756.         // Control and MIDI Output

  1757. 

  1758.         if (pData->event.portOut != nullptr)

  1759.         {

  1760. #ifndef BUILD_BRIDGE

  1761.             float value, curValue;

  1762. 

  1763.             for (uint32_t k=0; k < pData->param.count; ++k)

  1764.             {

  1765.                 if (pData->param.data[k].type != PARAMETER_OUTPUT)

  1766.                     continue;

  1767. 

  1768.                 curValue = fDescriptor->get_parameter_value(fHandle, k);

  1769.                 pData->param.ranges[k].fixValue(curValue);

  1770. 

  1771.                 if (pData->param.data[k].midiCC > 0)

  1772.                 {

  1773.                     value = pData->param.ranges[k].getNormalizedValue(curValue);

  1774.                     pData->event.portOut->writeControlEvent(0, pData->param.data[k].midiChannel, kEngineControlEventTypeParameter, static_cast<uint16_t>(pData->param.data[k].midiCC), value);

  1775.                 }

  1776.             }

  1777. #endif

  1778. 

  1779.             // reverse lookup MIDI events

  1780.             for (uint32_t k = (kPluginMaxMidiEvents*2)-1; k >= fMidiEventCount; --k)

  1781.             {

  1782.                 if (fMidiEvents[k].data[0] == 0)

  1783.                     break;

  1784. 

  1785.                 const uint8_t channel = uint8_t(MIDI_GET_CHANNEL_FROM_DATA(fMidiEvents[k].data));

  1786.                 const uint8_t port    = fMidiEvents[k].port;

  1787. 

  1788.                 if (fMidiOut.count > 1 && port < fMidiOut.count)

  1789.                     fMidiOut.ports[port]->writeMidiEvent(fMidiEvents[k].time, channel, fMidiEvents[k].size, fMidiEvents[k].data);

  1790.                 else

  1791.                     pData->event.portOut->writeMidiEvent(fMidiEvents[k].time, channel, fMidiEvents[k].size, fMidiEvents[k].data);

  1792.             }

  1793. 

  1794.         } // End of Control and MIDI Output

  1795.     }

  1796. 

  1797.     bool processSingle(const float** const audioIn, float** const audioOut, const float** const cvIn, float** const cvOut, const uint32_t frames, const uint32_t timeOffset)

  1798.     {

  1799.         CARLA_SAFE_ASSERT_RETURN(frames > 0, false);

  1800. 

  1801.         if (pData->audioIn.count > 0)

  1802.         {

  1803.             CARLA_SAFE_ASSERT_RETURN(audioIn != nullptr, false);

  1804.         }

  1805.         if (pData->audioOut.count > 0)

  1806.         {

  1807.             CARLA_SAFE_ASSERT_RETURN(audioOut != nullptr, false);

  1808.         }

  1809.         if (pData->cvIn.count > 0)

  1810.         {

  1811.             CARLA_SAFE_ASSERT_RETURN(cvIn != nullptr, false);

  1812.         }

  1813.         if (pData->cvOut.count > 0)

  1814.         {

  1815.             CARLA_SAFE_ASSERT_RETURN(cvOut != nullptr, false);

  1816.         }

  1817. 

  1818.         // --------------------------------------------------------------------------------------------------------

  1819.         // Try lock, silence otherwise

  1820. 

  1821.         if (pData->engine->isOffline())

  1822.         {

  1823.             pData->singleMutex.lock();

  1824.         }

  1825.         else if (! pData->singleMutex.tryLock())

  1826.         {

  1827.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1828.             {

  1829.                 for (uint32_t k=0; k < frames; ++k)

  1830.                     audioOut[i][k+timeOffset] = 0.0f;

  1831.             }

  1832.             for (uint32_t i=0; i < pData->cvOut.count; ++i)

  1833.             {

  1834.                 for (uint32_t k=0; k < frames; ++k)

  1835.                     cvOut[i][k+timeOffset] = 0.0f;

  1836.             }

  1837. 

  1838.             return false;

  1839.         }

  1840. 

  1841.         // --------------------------------------------------------------------------------------------------------

  1842.         // Set audio buffers

  1843. 

  1844.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1845.             FloatVectorOperations::copy(fAudioInBuffers[i], audioIn[i]+timeOffset, static_cast<int>(frames));

  1846. 

  1847.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1848.             FloatVectorOperations::clear(fAudioOutBuffers[i], static_cast<int>(frames));

  1849. 

  1850. #if 0

  1851.         // --------------------------------------------------------------------------------------------------------

  1852.         // Set CV buffers

  1853. 

  1854.         for (uint32_t i=0; i < pData->cvIn.count; ++i)

  1855.             FloatVectorOperations::copy(fCvInBuffers[i], cvIn[i]+timeOffset, static_cast<int>(frames));

  1856. 

  1857.         for (uint32_t i=0; i < pData->cvOut.count; ++i)

  1858.             FloatVectorOperations::clear(fCvOutBuffers[i], static_cast<int>(frames));

  1859. #endif

  1860. 

  1861.         // --------------------------------------------------------------------------------------------------------

  1862.         // Run plugin

  1863. 

  1864.         fIsProcessing = true;

  1865. 

  1866.         if (fHandle2 == nullptr)

  1867.         {

  1868.             fDescriptor->process(fHandle, fAudioInBuffers, fAudioOutBuffers, frames, fMidiEvents, fMidiEventCount);

  1869.         }

  1870.         else

  1871.         {

  1872.             fDescriptor->process(fHandle,

  1873.                                  (pData->audioIn.count > 0) ? &fAudioInBuffers[0] : nullptr,

  1874.                                  (pData->audioOut.count > 0) ? &fAudioOutBuffers[0] : nullptr,

  1875.                                  frames, fMidiEvents, fMidiEventCount);

  1876. 

  1877.             fDescriptor->process(fHandle2,

  1878.                                  (pData->audioIn.count > 0) ? &fAudioInBuffers[1] : nullptr,

  1879.                                  (pData->audioOut.count > 0) ? &fAudioOutBuffers[1] : nullptr,

  1880.                                  frames, fMidiEvents, fMidiEventCount);

  1881.         }

  1882. 

  1883.         fIsProcessing = false;

  1884.         fTimeInfo.frame += frames;

  1885. 

  1886. #ifndef BUILD_BRIDGE

  1887.         // --------------------------------------------------------------------------------------------------------

  1888.         // Post-processing (dry/wet, volume and balance)

  1889. 

  1890.         {

  1891.             const bool doDryWet  = (pData->hints & PLUGIN_CAN_DRYWET) != 0 && ! carla_compareFloats(pData->postProc.dryWet, 1.0f);

  1892.             const bool doBalance = (pData->hints & PLUGIN_CAN_BALANCE) != 0 && ! (carla_compareFloats(pData->postProc.balanceLeft, -1.0f) && carla_compareFloats(pData->postProc.balanceRight, 1.0f));

  1893. 

  1894.             bool isPair;

  1895.             float bufValue, oldBufLeft[doBalance ? frames : 1];

  1896. 

  1897.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1898.             {

  1899.                 // Dry/Wet

  1900.                 if (doDryWet)

  1901.                 {

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

  1903.                     {

  1904.                         bufValue = fAudioInBuffers[(pData->audioIn.count == 1) ? 0 : i][k];

  1905.                         fAudioOutBuffers[i][k] = (fAudioOutBuffers[i][k] * pData->postProc.dryWet) + (bufValue * (1.0f - pData->postProc.dryWet));

  1906.                     }

  1907.                 }

  1908. 

  1909.                 // Balance

  1910.                 if (doBalance)

  1911.                 {

  1912.                     isPair = (i % 2 == 0);

  1913. 

  1914.                     if (isPair)

  1915.                     {

  1916.                         CARLA_ASSERT(i+1 < pData->audioOut.count);

  1917.                         FloatVectorOperations::copy(oldBufLeft, fAudioOutBuffers[i], static_cast<int>(frames));

  1918.                     }

  1919. 

  1920.                     float balRangeL = (pData->postProc.balanceLeft  + 1.0f)/2.0f;

  1921.                     float balRangeR = (pData->postProc.balanceRight + 1.0f)/2.0f;

  1922. 

  1923.                     for (uint32_t k=0; k < frames; ++k)

  1924.                     {

  1925.                         if (isPair)

  1926.                         {

  1927.                             // left

  1928.                             fAudioOutBuffers[i][k]  = oldBufLeft[k]            * (1.0f - balRangeL);

  1929.                             fAudioOutBuffers[i][k] += fAudioOutBuffers[i+1][k] * (1.0f - balRangeR);

  1930.                         }

  1931.                         else

  1932.                         {

  1933.                             // right

  1934.                             fAudioOutBuffers[i][k]  = fAudioOutBuffers[i][k] * balRangeR;

  1935.                             fAudioOutBuffers[i][k] += oldBufLeft[k]          * balRangeL;

  1936.                         }

  1937.                     }

  1938.                 }

  1939. 

  1940.                 // Volume (and buffer copy)

  1941.                 {

  1942.                     for (uint32_t k=0; k < frames; ++k)

  1943.                         audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k] * pData->postProc.volume;

  1944.                 }

  1945.             }

  1946. 

  1947.         } // End of Post-processing

  1948. #else

  1949.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1950.         {

  1951.             for (uint32_t k=0; k < frames; ++k)

  1952.                 audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k];

  1953.         }

  1954. #endif

  1955. 

  1956. #if 0

  1957.         for (uint32_t i=0; i < pData->cvOut.count; ++i)

  1958.         {

  1959.             for (uint32_t k=0; k < frames; ++k)

  1960.                 cvOut[i][k+timeOffset] = fCvOutBuffers[i][k];

  1961.         }

  1962. #endif

  1963. 

  1964.         // --------------------------------------------------------------------------------------------------------

  1965. 

  1966.         pData->singleMutex.unlock();

  1967.         return true;

  1968.     }

  1969. 

  1970.     void bufferSizeChanged(const uint32_t newBufferSize) override

  1971.     {

  1972.         CARLA_ASSERT_INT(newBufferSize > 0, newBufferSize);

  1973.         carla_debug("CarlaPluginNative::bufferSizeChanged(%i)", newBufferSize);

  1974. 

  1975.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1976.         {

  1977.             if (fAudioInBuffers[i] != nullptr)

  1978.                 delete[] fAudioInBuffers[i];

  1979.             fAudioInBuffers[i] = new float[newBufferSize];

  1980.         }

  1981. 

  1982.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1983.         {

  1984.             if (fAudioOutBuffers[i] != nullptr)

  1985.                 delete[] fAudioOutBuffers[i];

  1986.             fAudioOutBuffers[i] = new float[newBufferSize];

  1987.         }

  1988. 

  1989.         if (fDescriptor != nullptr && fDescriptor->dispatcher != nullptr)

  1990.         {

  1991.             fDescriptor->dispatcher(fHandle, NATIVE_PLUGIN_OPCODE_BUFFER_SIZE_CHANGED, 0, static_cast<intptr_t>(newBufferSize), nullptr, 0.0f);

  1992. 

  1993.             if (fHandle2 != nullptr)

  1994.                 fDescriptor->dispatcher(fHandle2, NATIVE_PLUGIN_OPCODE_BUFFER_SIZE_CHANGED, 0, static_cast<intptr_t>(newBufferSize), nullptr, 0.0f);

  1995.         }

  1996.     }

  1997. 

  1998.     void sampleRateChanged(const double newSampleRate) override

  1999.     {

  2000.         CARLA_ASSERT_INT(newSampleRate > 0.0, newSampleRate);

  2001.         carla_debug("CarlaPluginNative::sampleRateChanged(%g)", newSampleRate);

  2002. 

  2003.         if (fDescriptor != nullptr && fDescriptor->dispatcher != nullptr)

  2004.         {

  2005.             fDescriptor->dispatcher(fHandle, NATIVE_PLUGIN_OPCODE_SAMPLE_RATE_CHANGED, 0, 0, nullptr, float(newSampleRate));

  2006. 

  2007.             if (fHandle2 != nullptr)

  2008.                 fDescriptor->dispatcher(fHandle2, NATIVE_PLUGIN_OPCODE_SAMPLE_RATE_CHANGED, 0, 0, nullptr, float(newSampleRate));

  2009.         }

  2010.     }

  2011. 

  2012.     void offlineModeChanged(const bool isOffline) override

  2013.     {

  2014.         if (fDescriptor != nullptr && fDescriptor->dispatcher != nullptr)

  2015.         {

  2016.             fDescriptor->dispatcher(fHandle, NATIVE_PLUGIN_OPCODE_OFFLINE_CHANGED, 0, isOffline ? 1 : 0, nullptr, 0.0f);

  2017. 

  2018.             if (fHandle2 != nullptr)

  2019.                 fDescriptor->dispatcher(fHandle2, NATIVE_PLUGIN_OPCODE_OFFLINE_CHANGED, 0, isOffline ? 1 : 0, nullptr, 0.0f);

  2020.         }

  2021.     }

  2022. 

  2023.     // -------------------------------------------------------------------

  2024.     // Plugin buffers

  2025. 

  2026.     void initBuffers() const noexcept override

  2027.     {

  2028.         fMidiIn.initBuffers();

  2029.         fMidiOut.initBuffers();

  2030. 

  2031.         CarlaPlugin::initBuffers();

  2032.     }

  2033. 

  2034.     void clearBuffers() noexcept override

  2035.     {

  2036.         carla_debug("CarlaPluginNative::clearBuffers() - start");

  2037. 

  2038.         if (fAudioInBuffers != nullptr)

  2039.         {

  2040.             for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2041.             {

  2042.                 if (fAudioInBuffers[i] != nullptr)

  2043.                 {

  2044.                     delete[] fAudioInBuffers[i];

  2045.                     fAudioInBuffers[i] = nullptr;

  2046.                 }

  2047.             }

  2048. 

  2049.             delete[] fAudioInBuffers;

  2050.             fAudioInBuffers = nullptr;

  2051.         }

  2052. 

  2053.         if (fAudioOutBuffers != nullptr)

  2054.         {

  2055.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2056.             {

  2057.                 if (fAudioOutBuffers[i] != nullptr)

  2058.                 {

  2059.                     delete[] fAudioOutBuffers[i];

  2060.                     fAudioOutBuffers[i] = nullptr;

  2061.                 }

  2062.             }

  2063. 

  2064.             delete[] fAudioOutBuffers;

  2065.             fAudioOutBuffers = nullptr;

  2066.         }

  2067. 

  2068.         if (fMidiIn.count > 1)

  2069.             pData->event.portIn = nullptr;

  2070. 

  2071.         if (fMidiOut.count > 1)

  2072.             pData->event.portOut = nullptr;

  2073. 

  2074.         fMidiIn.clear();

  2075.         fMidiOut.clear();

  2076. 

  2077.         CarlaPlugin::clearBuffers();

  2078. 

  2079.         carla_debug("CarlaPluginNative::clearBuffers() - end");

  2080.     }

  2081. 

  2082.     // -------------------------------------------------------------------

  2083.     // Post-poned UI Stuff

  2084. 

  2085.     void uiParameterChange(const uint32_t index, const float value) noexcept override

  2086.     {

  2087.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  2088.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  2089.         CARLA_SAFE_ASSERT_RETURN(index < pData->param.count,);

  2090. 

  2091.         if (! fIsUiVisible)

  2092.             return;

  2093. 

  2094.         if (fDescriptor->ui_set_parameter_value != nullptr)

  2095.             fDescriptor->ui_set_parameter_value(fHandle, index, value);

  2096.     }

  2097. 

  2098.     void uiMidiProgramChange(const uint32_t index) noexcept override

  2099.     {

  2100.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  2101.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  2102.         CARLA_SAFE_ASSERT_RETURN(index < pData->midiprog.count,);

  2103. 

  2104.         if (! fIsUiVisible)

  2105.             return;

  2106.         if (index >= pData->midiprog.count)

  2107.             return;

  2108. 

  2109.         if (fDescriptor->ui_set_midi_program != nullptr)

  2110.             fDescriptor->ui_set_midi_program(fHandle, 0, pData->midiprog.data[index].bank, pData->midiprog.data[index].program);

  2111.     }

  2112. 

  2113.     void uiNoteOn(const uint8_t channel, const uint8_t note, const uint8_t velo) noexcept override

  2114.     {

  2115.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  2116.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  2117.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2118.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2119.         CARLA_SAFE_ASSERT_RETURN(velo > 0 && velo < MAX_MIDI_VALUE,);

  2120. 

  2121.         if (! fIsUiVisible)

  2122.             return;

  2123. 

  2124.         // TODO

  2125.     }

  2126. 

  2127.     void uiNoteOff(const uint8_t channel, const uint8_t note) noexcept override

  2128.     {

  2129.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  2130.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  2131.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2132.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2133. 

  2134.         if (! fIsUiVisible)

  2135.             return;

  2136.         if (fDescriptor == nullptr || fHandle == nullptr)

  2137.             return;

  2138. 

  2139.         // TODO

  2140.     }

  2141. 

  2142.     // -------------------------------------------------------------------

  2143. 

  2144. protected:

  2145.     uint32_t handleGetBufferSize() const noexcept

  2146.     {

  2147.         return pData->engine->getBufferSize();

  2148.     }

  2149. 

  2150.     double handleGetSampleRate() const noexcept

  2151.     {

  2152.         return pData->engine->getSampleRate();

  2153.     }

  2154. 

  2155.     bool handleIsOffline() const noexcept

  2156.     {

  2157.         return pData->engine->isOffline();

  2158.     }

  2159. 

  2160.     const NativeTimeInfo* handleGetTimeInfo() const noexcept

  2161.     {

  2162.         CARLA_SAFE_ASSERT_RETURN(fIsProcessing, nullptr);

  2163. 

  2164.         return &fTimeInfo;

  2165.     }

  2166. 

  2167.     bool handleWriteMidiEvent(const NativeMidiEvent* const event)

  2168.     {

  2169.         CARLA_SAFE_ASSERT_RETURN(pData->enabled, false);

  2170.         CARLA_SAFE_ASSERT_RETURN(fIsProcessing, false);

  2171.         CARLA_SAFE_ASSERT_RETURN(fMidiOut.count > 0 || pData->event.portOut != nullptr, false);

  2172.         CARLA_SAFE_ASSERT_RETURN(event != nullptr, false);

  2173.         CARLA_SAFE_ASSERT_RETURN(event->data[0] != 0, false);

  2174. 

  2175.         // reverse-find first free event, and put it there

  2176.         for (uint32_t i=(kPluginMaxMidiEvents*2)-1; i >= fMidiEventCount; --i)

  2177.         {

  2178.             if (fMidiEvents[i].data[0] != 0)

  2179.                 continue;

  2180. 

  2181.             std::memcpy(&fMidiEvents[i], event, sizeof(NativeMidiEvent));

  2182.             return true;

  2183.         }

  2184. 

  2185.         carla_stdout("CarlaPluginNative::handleWriteMidiEvent(%p) - buffer full", event);

  2186.         return false;

  2187.     }

  2188. 

  2189.     void handleUiParameterChanged(const uint32_t index, const float value)

  2190.     {

  2191.         setParameterValue(index, value, false, true, true);

  2192.     }

  2193. 

  2194.     void handleUiCustomDataChanged(const char* const key, const char* const value)

  2195.     {

  2196.         setCustomData(CUSTOM_DATA_TYPE_STRING, key, value, false);

  2197.     }

  2198. 

  2199.     void handleUiClosed()

  2200.     {

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

  2202.         fIsUiVisible = false;

  2203.     }

  2204. 

  2205.     const char* handleUiOpenFile(const bool isDir, const char* const title, const char* const filter)

  2206.     {

  2207.         return pData->engine->runFileCallback(FILE_CALLBACK_OPEN, isDir, title, filter);

  2208.     }

  2209. 

  2210.     const char* handleUiSaveFile(const bool isDir, const char* const title, const char* const filter)

  2211.     {

  2212.         return pData->engine->runFileCallback(FILE_CALLBACK_SAVE, isDir, title, filter);

  2213.     }

  2214. 

  2215.     intptr_t handleDispatcher(const NativeHostDispatcherOpcode opcode, const int32_t index, const intptr_t value, void* const ptr, const float opt)

  2216.     {

  2217.         carla_debug("CarlaPluginNative::handleDispatcher(%i, %i, " P_INTPTR ", %p, %f)", opcode, index, value, ptr, opt);

  2218. 

  2219.         intptr_t ret = 0;

  2220. 

  2221.         switch (opcode)

  2222.         {

  2223.         case NATIVE_HOST_OPCODE_NULL:

  2224.             break;

  2225.         case NATIVE_HOST_OPCODE_UPDATE_PARAMETER:

  2226.             // TODO

  2227.             pData->engine->callback(ENGINE_CALLBACK_UPDATE, pData->id, -1, 0, 0.0f, nullptr);

  2228.             break;

  2229.         case NATIVE_HOST_OPCODE_UPDATE_MIDI_PROGRAM:

  2230.             // TODO

  2231.             pData->engine->callback(ENGINE_CALLBACK_UPDATE, pData->id, -1, 0, 0.0f, nullptr);

  2232.             break;

  2233.         case NATIVE_HOST_OPCODE_RELOAD_PARAMETERS:

  2234.             reload(); // FIXME

  2235.             pData->engine->callback(ENGINE_CALLBACK_RELOAD_PARAMETERS, pData->id, -1, 0, 0.0f, nullptr);

  2236.             break;

  2237.         case NATIVE_HOST_OPCODE_RELOAD_MIDI_PROGRAMS:

  2238.             reloadPrograms(false);

  2239.             pData->engine->callback(ENGINE_CALLBACK_RELOAD_PROGRAMS, pData->id, -1, 0, 0.0f, nullptr);

  2240.             break;

  2241.         case NATIVE_HOST_OPCODE_RELOAD_ALL:

  2242.             reload();

  2243.             pData->engine->callback(ENGINE_CALLBACK_RELOAD_ALL, pData->id, -1, 0, 0.0f, nullptr);

  2244.             break;

  2245.         case NATIVE_HOST_OPCODE_UI_UNAVAILABLE:

  2246.             pData->engine->callback(ENGINE_CALLBACK_UI_STATE_CHANGED, pData->id, -1, 0, 0.0f, nullptr);

  2247.             fIsUiAvailable = false;

  2248.             break;

  2249.         case NATIVE_HOST_OPCODE_HOST_IDLE:

  2250.             pData->engine->callback(ENGINE_CALLBACK_IDLE, 0, 0, 0, 0.0f, nullptr);

  2251.             break;

  2252.         }

  2253. 

  2254.         return ret;

  2255. 

  2256.         // unused for now

  2257.         (void)index;

  2258.         (void)value;

  2259.         (void)ptr;

  2260.         (void)opt;

  2261.     }

  2262. 

  2263.     // -------------------------------------------------------------------

  2264. 

  2265. public:

  2266.     void* getNativeHandle() const noexcept override

  2267.     {

  2268.         return fHandle;

  2269.     }

  2270. 

  2271.     const void* getNativeDescriptor() const noexcept override

  2272.     {

  2273.         return fDescriptor;

  2274.     }

  2275. 

  2276.     // -------------------------------------------------------------------

  2277. 

  2278.     bool init(const char* const name, const char* const label)

  2279.     {

  2280.         CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr, false);

  2281. 

  2282.         // ---------------------------------------------------------------

  2283.         // first checks

  2284. 

  2285.         if (pData->client != nullptr)

  2286.         {

  2287.             pData->engine->setLastError("Plugin client is already registered");

  2288.             return false;

  2289.         }

  2290. 

  2291.         if (label == nullptr && label[0] != '\0')

  2292.         {

  2293.             pData->engine->setLastError("null label");

  2294.             return false;

  2295.         }

  2296. 

  2297.         // ---------------------------------------------------------------

  2298.         // get descriptor that matches label

  2299. 

  2300.         sPluginInitializer.initIfNeeded();

  2301. 

  2302.         for (LinkedList<const NativePluginDescriptor*>::Itenerator it = gPluginDescriptors.begin2(); it.valid(); it.next())

  2303.         {

  2304.             fDescriptor = it.getValue();

  2305. 

  2306.             CARLA_SAFE_ASSERT_BREAK(fDescriptor != nullptr);

  2307. 

  2308.             carla_debug("Check vs \"%s\"", fDescriptor->label);

  2309. 

  2310.             if (fDescriptor->label != nullptr && std::strcmp(fDescriptor->label, label) == 0)

  2311.                 break;

  2312. 

  2313.             fDescriptor = nullptr;

  2314.         }

  2315. 

  2316.         if (fDescriptor == nullptr)

  2317.         {

  2318.             pData->engine->setLastError("Invalid internal plugin");

  2319.             return false;

  2320.         }

  2321. 

  2322.         // ---------------------------------------------------------------

  2323.         // set icon

  2324. 

  2325.         if (std::strcmp(fDescriptor->label, "audiofile") == 0)

  2326.             pData->iconName = carla_strdup_safe("file");

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

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

  2329. 

  2330.         // ---------------------------------------------------------------

  2331.         // get info

  2332. 

  2333.         if (name != nullptr && name[0] != '\0')

  2334.             pData->name = pData->engine->getUniquePluginName(name);

  2335.         else if (fDescriptor->name != nullptr && fDescriptor->name[0] != '\0')

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

  2337.         else

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

  2339. 

  2340.         {

  2341.             CARLA_ASSERT(fHost.uiName == nullptr);

  2342. 

  2343.             char uiName[std::strlen(pData->name)+6+1];

  2344.             std::strcpy(uiName, pData->name);

  2345.             std::strcat(uiName, " (GUI)");

  2346. 

  2347.             fHost.uiName = carla_strdup(uiName);

  2348.         }

  2349. 

  2350.         // ---------------------------------------------------------------

  2351.         // register client

  2352. 

  2353.         pData->client = pData->engine->addClient(this);

  2354. 

  2355.         if (pData->client == nullptr || ! pData->client->isOk())

  2356.         {

  2357.             pData->engine->setLastError("Failed to register plugin client");

  2358.             return false;

  2359.         }

  2360. 

  2361.         // ---------------------------------------------------------------

  2362.         // initialize plugin

  2363. 

  2364.         fHandle = fDescriptor->instantiate(&fHost);

  2365. 

  2366.         if (fHandle == nullptr)

  2367.         {

  2368.             pData->engine->setLastError("Plugin failed to initialize");

  2369.             return false;

  2370.         }

  2371. 

  2372.         // ---------------------------------------------------------------

  2373.         // set default options

  2374. 

  2375.         const bool hasMidiProgs(fDescriptor->get_midi_program_count != nullptr && fDescriptor->get_midi_program_count(fHandle) > 0);

  2376. 

  2377.         pData->options = 0x0;

  2378. 

  2379.         if (getMidiInCount() > 0 || (fDescriptor->hints & NATIVE_PLUGIN_NEEDS_FIXED_BUFFERS) != 0)

  2380.             pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;

  2381. 

  2382.         if (pData->engine->getOptions().forceStereo)

  2383.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  2384. 

  2385.         if (fDescriptor->supports & NATIVE_PLUGIN_SUPPORTS_CHANNEL_PRESSURE)

  2386.             pData->options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  2387.         if (fDescriptor->supports & NATIVE_PLUGIN_SUPPORTS_NOTE_AFTERTOUCH)

  2388.             pData->options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  2389.         if (fDescriptor->supports & NATIVE_PLUGIN_SUPPORTS_PITCHBEND)

  2390.             pData->options |= PLUGIN_OPTION_SEND_PITCHBEND;

  2391.         if (fDescriptor->supports & NATIVE_PLUGIN_SUPPORTS_ALL_SOUND_OFF)

  2392.             pData->options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  2393. 

  2394.         if (fDescriptor->supports & NATIVE_PLUGIN_SUPPORTS_PROGRAM_CHANGES)

  2395.         {

  2396.             CARLA_SAFE_ASSERT(! hasMidiProgs);

  2397.             pData->options |= PLUGIN_OPTION_SEND_PROGRAM_CHANGES;

  2398. 

  2399.             if (fDescriptor->supports & NATIVE_PLUGIN_SUPPORTS_CONTROL_CHANGES)

  2400.                 pData->options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  2401.         }

  2402.         else if (hasMidiProgs && fDescriptor->category == NATIVE_PLUGIN_CATEGORY_SYNTH)

  2403.             pData->options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  2404. 

  2405.         return true;

  2406.     }

  2407. 

  2408. 

  2409. private:

  2410.     NativePluginHandle   fHandle;

  2411.     NativePluginHandle   fHandle2;

  2412.     NativeHostDescriptor fHost;

  2413.     const NativePluginDescriptor* fDescriptor;

  2414. 

  2415.     bool fIsProcessing;

  2416.     bool fIsUiAvailable;

  2417.     bool fIsUiVisible;

  2418. 

  2419.     float**         fAudioInBuffers;

  2420.     float**         fAudioOutBuffers;

  2421.     uint32_t        fMidiEventCount;

  2422.     NativeMidiEvent fMidiEvents[kPluginMaxMidiEvents*2];

  2423. 

  2424.     int32_t fCurMidiProgs[MAX_MIDI_CHANNELS];

  2425. 

  2426.     NativePluginMidiData fMidiIn;

  2427.     NativePluginMidiData fMidiOut;

  2428. 

  2429.     NativeTimeInfo fTimeInfo;

  2430. 

  2431.     // -------------------------------------------------------------------

  2432. 

  2433.     #define handlePtr ((CarlaPluginNative*)handle)

  2434. 

  2435.     static uint32_t carla_host_get_buffer_size(NativeHostHandle handle) noexcept

  2436.     {

  2437.         return handlePtr->handleGetBufferSize();

  2438.     }

  2439. 

  2440.     static double carla_host_get_sample_rate(NativeHostHandle handle) noexcept

  2441.     {

  2442.         return handlePtr->handleGetSampleRate();

  2443.     }

  2444. 

  2445.     static bool carla_host_is_offline(NativeHostHandle handle) noexcept

  2446.     {

  2447.         return handlePtr->handleIsOffline();

  2448.     }

  2449. 

  2450.     static const NativeTimeInfo* carla_host_get_time_info(NativeHostHandle handle) noexcept

  2451.     {

  2452.         return handlePtr->handleGetTimeInfo();

  2453.     }

  2454. 

  2455.     static bool carla_host_write_midi_event(NativeHostHandle handle, const NativeMidiEvent* event)

  2456.     {

  2457.         return handlePtr->handleWriteMidiEvent(event);

  2458.     }

  2459. 

  2460.     static void carla_host_ui_parameter_changed(NativeHostHandle handle, uint32_t index, float value)

  2461.     {

  2462.         handlePtr->handleUiParameterChanged(index, value);

  2463.     }

  2464. 

  2465.     static void carla_host_ui_custom_data_changed(NativeHostHandle handle, const char* key, const char* value)

  2466.     {

  2467.         handlePtr->handleUiCustomDataChanged(key, value);

  2468.     }

  2469. 

  2470.     static void carla_host_ui_closed(NativeHostHandle handle)

  2471.     {

  2472.         handlePtr->handleUiClosed();

  2473.     }

  2474. 

  2475.     static const char* carla_host_ui_open_file(NativeHostHandle handle, bool isDir, const char* title, const char* filter)

  2476.     {

  2477.         return handlePtr->handleUiOpenFile(isDir, title, filter);

  2478.     }

  2479. 

  2480.     static const char* carla_host_ui_save_file(NativeHostHandle handle, bool isDir, const char* title, const char* filter)

  2481.     {

  2482.         return handlePtr->handleUiSaveFile(isDir, title, filter);

  2483.     }

  2484. 

  2485.     static intptr_t carla_host_dispatcher(NativeHostHandle handle, NativeHostDispatcherOpcode opcode, int32_t index, intptr_t value, void* ptr, float opt)

  2486.     {

  2487.         return handlePtr->handleDispatcher(opcode, index, value, ptr, opt);

  2488.     }

  2489. 

  2490.     #undef handlePtr

  2491. 

  2492.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaPluginNative)

  2493. };

  2494. 

  2495. // -----------------------------------------------------------------------

  2496. 

  2497. CarlaPlugin* CarlaPlugin::newNative(const Initializer& init)

  2498. {

  2499.     carla_debug("CarlaPlugin::newNative({%p, \"%s\", \"%s\", \"%s\", " P_INT64 "})", init.engine, init.filename, init.name, init.label, init.uniqueId);

  2500. 

  2501.     CarlaPluginNative* const plugin(new CarlaPluginNative(init.engine, init.id));

  2502. 

  2503.     if (! plugin->init(init.name, init.label))

  2504.     {

  2505.         delete plugin;

  2506.         return nullptr;

  2507.     }

  2508. 

  2509.     return plugin;

  2510. }

  2511. 

  2512. // -----------------------------------------------------------------------

  2513. 

  2514. CARLA_BACKEND_END_NAMESPACE