falkTX
/
Carla
mirror of https://github.com/falkTX/Carla
1
0
Fork 0
Code Releases 42 Activity
Audio plugin host https://kx.studio/carla
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
5122 Commits
16 Branches
322MB
Tree: cf3e3fd023
Branches Tags
${ item.name }
Create branch ${ searchTerm }
from 'cf3e3fd023'
${ noResults }
Carla/source/backend/plugin/CarlaPluginNative.cpp

2932 lines
104KB
Raw Blame History 

  1. /*

  2.  * Carla Native Plugin

  3.  * Copyright (C) 2012-2019 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 "water/misc/Time.h"

  25. #include "water/text/StringArray.h"

  26. 

  27. using water::jmax;

  28. using water::String;

  29. using water::StringArray;

  30. 

  31. // -----------------------------------------------------------------------

  32. // used in carla-base.cpp

  33. 

  34. std::size_t carla_getNativePluginCount() noexcept;

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

  36. 

  37. // -----------------------------------------------------------------------

  38. 

  39. static LinkedList<const NativePluginDescriptor*> gPluginDescriptors;

  40. 

  41. void carla_register_native_plugin(const NativePluginDescriptor* desc)

  42. {

  43.     gPluginDescriptors.append(desc);

  44. }

  45. 

  46. // -----------------------------------------------------------------------

  47. 

  48. static

  49. class NativePluginInitializer

  50. {

  51. public:

  52.     NativePluginInitializer() noexcept

  53.         : fNeedsInit(true) {}

  54. 

  55.     ~NativePluginInitializer() noexcept

  56.     {

  57.         gPluginDescriptors.clear();

  58.     }

  59. 

  60.     void initIfNeeded() noexcept

  61.     {

  62.         if (! fNeedsInit)

  63.             return;

  64. 

  65.         fNeedsInit = false;

  66. 

  67.         try {

  68.             carla_register_all_native_plugins();

  69.         } CARLA_SAFE_EXCEPTION("carla_register_all_native_plugins")

  70.     }

  71. 

  72. private:

  73.     bool fNeedsInit;

  74. 

  75. } sPluginInitializer;

  76. 

  77. // -----------------------------------------------------------------------

  78. 

  79. std::size_t carla_getNativePluginCount() noexcept

  80. {

  81.     sPluginInitializer.initIfNeeded();

  82.     return gPluginDescriptors.count();

  83. }

  84. 

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

  86. {

  87.     sPluginInitializer.initIfNeeded();

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

  89. }

  90. 

  91. // -----------------------------------------------------------------------

  92. 

  93. CARLA_BACKEND_START_NAMESPACE

  94. 

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

  96. // Fallback data

  97. 

  98. static const CustomData  kCustomDataFallback = { nullptr, nullptr, nullptr };

  99. static const EngineEvent kNullEngineEvent    = { kEngineEventTypeNull, 0, 0, {} };

  100. 

  101. // -----------------------------------------------------------------------

  102. 

  103. struct NativePluginMidiOutData {

  104.     uint32_t  count;

  105.     uint32_t* indexes;

  106.     CarlaEngineEventPort** ports;

  107. 

  108.     NativePluginMidiOutData() noexcept

  109.         : count(0),

  110.           indexes(nullptr),

  111.           ports(nullptr) {}

  112. 

  113.     ~NativePluginMidiOutData() noexcept

  114.     {

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

  116.         CARLA_SAFE_ASSERT(indexes == nullptr);

  117.         CARLA_SAFE_ASSERT(ports == nullptr);

  118.     }

  119. 

  120.     bool createNew(const uint32_t newCount)

  121.     {

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

  123.         CARLA_SAFE_ASSERT_RETURN(indexes == nullptr, false);

  124.         CARLA_SAFE_ASSERT_RETURN(ports == nullptr, false);

  125.         CARLA_SAFE_ASSERT_RETURN(newCount > 0, false);

  126. 

  127.         indexes       = new uint32_t[newCount];

  128.         ports         = new CarlaEngineEventPort*[newCount];

  129.         count         = newCount;

  130. 

  131.         carla_zeroStructs(indexes, newCount);

  132.         carla_zeroStructs(ports, newCount);

  133. 

  134.         return true;

  135.     }

  136. 

  137.     void clear() noexcept

  138.     {

  139.         if (ports != nullptr)

  140.         {

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

  142.             {

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

  144.                 {

  145.                     delete ports[i];

  146.                     ports[i] = nullptr;

  147.                 }

  148.             }

  149. 

  150.             delete[] ports;

  151.             ports = nullptr;

  152.         }

  153. 

  154.         if (indexes != nullptr)

  155.         {

  156.             delete[] indexes;

  157.             indexes = nullptr;

  158.         }

  159. 

  160.         count = 0;

  161.     }

  162. 

  163.     void initBuffers() const noexcept

  164.     {

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

  166.         {

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

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

  169.         }

  170.     }

  171. 

  172.     CARLA_DECLARE_NON_COPY_STRUCT(NativePluginMidiOutData)

  173. };

  174. 

  175. struct NativePluginMidiInData : NativePluginMidiOutData {

  176.     struct MultiPortData {

  177.         uint32_t cachedEventCount;

  178.         uint32_t usedIndex;

  179.     };

  180. 

  181.     MultiPortData* multiportData;

  182. 

  183.     NativePluginMidiInData() noexcept

  184.         : NativePluginMidiOutData(),

  185.           multiportData(nullptr) {}

  186. 

  187.     ~NativePluginMidiInData() noexcept

  188.     {

  189.         CARLA_SAFE_ASSERT(multiportData == nullptr);

  190.     }

  191. 

  192.     bool createNew(const uint32_t newCount)

  193.     {

  194.         if (! NativePluginMidiOutData::createNew(newCount))

  195.             return false;

  196. 

  197.         multiportData = new MultiPortData[newCount];

  198.         carla_zeroStructs(multiportData, newCount);

  199. 

  200.         return true;

  201.     }

  202. 

  203.     void clear() noexcept

  204.     {

  205.         if (multiportData != nullptr)

  206.         {

  207.             delete[] multiportData;

  208.             multiportData = nullptr;

  209.         }

  210. 

  211.         NativePluginMidiOutData::clear();

  212.     }

  213. 

  214.     void initBuffers(CarlaEngineEventPort* const port) const noexcept

  215.     {

  216.         if (count == 1)

  217.         {

  218.             CARLA_SAFE_ASSERT_RETURN(port != nullptr,);

  219. 

  220.             carla_zeroStruct(multiportData[0]);

  221.             multiportData[0].cachedEventCount = port->getEventCount();

  222.             return;

  223.         }

  224. 

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

  226.         {

  227.             carla_zeroStruct(multiportData[i]);

  228. 

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

  230.             {

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

  232.                 multiportData[i].cachedEventCount = ports[i]->getEventCount();

  233.             }

  234.         }

  235.     }

  236. 

  237.     CARLA_DECLARE_NON_COPY_STRUCT(NativePluginMidiInData)

  238. };

  239. 

  240. // -----------------------------------------------------

  241. 

  242. class CarlaPluginNative : public CarlaPlugin

  243. {

  244. public:

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

  246.         : CarlaPlugin(engine, id),

  247.           fHandle(nullptr),

  248.           fHandle2(nullptr),

  249.           fHost(),

  250.           fDescriptor(nullptr),

  251.           fIsProcessing(false),

  252.           fIsOffline(false),

  253.           fIsUiAvailable(false),

  254.           fIsUiVisible(false),

  255.           fNeedsIdle(false),

  256.           fInlineDisplayNeedsRedraw(false),

  257.           fInlineDisplayLastRedrawTime(0),

  258.           fAudioAndCvInBuffers(nullptr),

  259.           fAudioAndCvOutBuffers(nullptr),

  260.           fMidiEventInCount(0),

  261.           fMidiEventOutCount(0),

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

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

  264.           fMidiIn(),

  265.           fMidiOut(),

  266.           fTimeInfo()

  267.     {

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

  269. 

  270.         carla_fill(fCurMidiProgs, 0, MAX_MIDI_CHANNELS);

  271.         carla_zeroStructs(fMidiInEvents, kPluginMaxMidiEvents);

  272.         carla_zeroStructs(fMidiOutEvents, kPluginMaxMidiEvents);

  273.         carla_zeroStruct(fTimeInfo);

  274. 

  275.         fHost.handle      = this;

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

  277.         fHost.uiName      = nullptr;

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

  279. 

  280.         fHost.get_buffer_size        = carla_host_get_buffer_size;

  281.         fHost.get_sample_rate        = carla_host_get_sample_rate;

  282.         fHost.is_offline             = carla_host_is_offline;

  283.         fHost.get_time_info          = carla_host_get_time_info;

  284.         fHost.write_midi_event       = carla_host_write_midi_event;

  285.         fHost.ui_parameter_changed   = carla_host_ui_parameter_changed;

  286.         fHost.ui_custom_data_changed = carla_host_ui_custom_data_changed;

  287.         fHost.ui_closed              = carla_host_ui_closed;

  288.         fHost.ui_open_file           = carla_host_ui_open_file;

  289.         fHost.ui_save_file           = carla_host_ui_save_file;

  290.         fHost.dispatcher             = carla_host_dispatcher;

  291.     }

  292. 

  293.     ~CarlaPluginNative() override

  294.     {

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

  296. 

  297.         fInlineDisplayNeedsRedraw = false;

  298. 

  299.         // close UI

  300.         if (pData->hints & PLUGIN_HAS_CUSTOM_UI)

  301.         {

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

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

  304. 

  305. #ifndef BUILD_BRIDGE

  306.             pData->transientTryCounter = 0;

  307. #endif

  308.         }

  309. 

  310.         pData->singleMutex.lock();

  311.         pData->masterMutex.lock();

  312. 

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

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

  315. 

  316.         CARLA_ASSERT(! fIsProcessing);

  317. 

  318.         if (pData->active)

  319.         {

  320.             deactivate();

  321.             pData->active = false;

  322.         }

  323. 

  324.         if (fDescriptor != nullptr)

  325.         {

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

  327.             {

  328.                 if (fHandle != nullptr)

  329.                     fDescriptor->cleanup(fHandle);

  330.                 if (fHandle2 != nullptr)

  331.                     fDescriptor->cleanup(fHandle2);

  332.             }

  333. 

  334.             fHandle  = nullptr;

  335.             fHandle2 = nullptr;

  336.             fDescriptor = nullptr;

  337.         }

  338. 

  339.         if (fHost.resourceDir != nullptr)

  340.         {

  341.             delete[] fHost.resourceDir;

  342.             fHost.resourceDir = nullptr;

  343.         }

  344. 

  345.         if (fHost.uiName != nullptr)

  346.         {

  347.             delete[] fHost.uiName;

  348.             fHost.uiName = nullptr;

  349.         }

  350. 

  351.         clearBuffers();

  352.     }

  353. 

  354.     // -------------------------------------------------------------------

  355.     // Information (base)

  356. 

  357.     PluginType getType() const noexcept override

  358.     {

  359.         return PLUGIN_INTERNAL;

  360.     }

  361. 

  362.     PluginCategory getCategory() const noexcept override

  363.     {

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

  365. 

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

  367.     }

  368. 

  369.     // -------------------------------------------------------------------

  370.     // Information (count)

  371. 

  372.     uint32_t getMidiInCount() const noexcept override

  373.     {

  374.         return fMidiIn.count;

  375.     }

  376. 

  377.     uint32_t getMidiOutCount() const noexcept override

  378.     {

  379.         return fMidiOut.count;

  380.     }

  381. 

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

  383.     {

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

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

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

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

  388. 

  389.         // FIXME - try

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

  391.             return param->scalePointCount;

  392. 

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

  394.         return 0;

  395.     }

  396. 

  397.     // -------------------------------------------------------------------

  398.     // Information (current data)

  399. 

  400.     // nothing

  401. 

  402.     // -------------------------------------------------------------------

  403.     // Information (per-plugin data)

  404. 

  405.     uint getOptionsAvailable() const noexcept override

  406.     {

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

  408.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,     0x0);

  409. 

  410.         bool hasMidiProgs = false;

  411. 

  412.         if (fDescriptor->get_midi_program_count != nullptr)

  413.         {

  414.             try {

  415.                 hasMidiProgs = fDescriptor->get_midi_program_count(fHandle) > 0;

  416.             } catch (...) {}

  417.         }

  418. 

  419.         uint options = 0x0;

  420. 

  421.         // can't disable fixed buffers if required by the plugin

  422.         if ((fDescriptor->hints & NATIVE_PLUGIN_NEEDS_FIXED_BUFFERS) == 0x0)

  423.             options |= PLUGIN_OPTION_FIXED_BUFFERS;

  424. 

  425.         // can't disable forced stereo if enabled in the engine, or using CV

  426.         if (pData->engine->getOptions().forceStereo || pData->cvIn.count != 0 || pData->cvOut.count != 0)

  427.             pass();

  428.         // if inputs or outputs are just 1, then yes we can force stereo

  429.         else if (pData->audioIn.count == 1 || pData->audioOut.count == 1 || fHandle2 != nullptr)

  430.             options |= PLUGIN_OPTION_FORCE_STEREO;

  431. 

  432.         if (fDescriptor->supports & NATIVE_PLUGIN_SUPPORTS_CONTROL_CHANGES)

  433.             options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  434.         if (fDescriptor->supports & NATIVE_PLUGIN_SUPPORTS_CHANNEL_PRESSURE)

  435.             options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  436.         if (fDescriptor->supports & NATIVE_PLUGIN_SUPPORTS_NOTE_AFTERTOUCH)

  437.             options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  438.         if (fDescriptor->supports & NATIVE_PLUGIN_SUPPORTS_PITCHBEND)

  439.             options |= PLUGIN_OPTION_SEND_PITCHBEND;

  440.         if (fDescriptor->supports & NATIVE_PLUGIN_SUPPORTS_ALL_SOUND_OFF)

  441.             options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  442. 

  443.         if (fDescriptor->supports & NATIVE_PLUGIN_SUPPORTS_PROGRAM_CHANGES)

  444.             options |= PLUGIN_OPTION_SEND_PROGRAM_CHANGES;

  445.         else if (hasMidiProgs)

  446.             options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  447. 

  448.         return options;

  449.     }

  450. 

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

  452.     {

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

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

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

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

  457. 

  458.         // FIXME - try

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

  460.     }

  461. 

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

  463.     {

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

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

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

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

  468. 

  469.         // FIXME - try

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

  471.         {

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

  473. 

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

  475.             return scalePoint->value;

  476.         }

  477. 

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

  479.         return 0.0f;

  480.     }

  481. 

  482.     bool getLabel(char* const strBuf) const noexcept override

  483.     {

  484.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr, false);

  485. 

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

  487.         {

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

  489.             return true;

  490.         }

  491. 

  492.         return CarlaPlugin::getLabel(strBuf);

  493.     }

  494. 

  495.     bool getMaker(char* const strBuf) const noexcept override

  496.     {

  497.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr, false);

  498. 

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

  500.         {

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

  502.             return true;

  503.         }

  504. 

  505.         return CarlaPlugin::getMaker(strBuf);

  506.     }

  507. 

  508.     bool getCopyright(char* const strBuf) const noexcept override

  509.     {

  510.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr, false);

  511. 

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

  513.         {

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

  515.             return true;

  516.         }

  517. 

  518.         return CarlaPlugin::getCopyright(strBuf);

  519.     }

  520. 

  521.     bool getRealName(char* const strBuf) const noexcept override

  522.     {

  523.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr, false);

  524. 

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

  526.         {

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

  528.             return true;

  529.         }

  530. 

  531.         return CarlaPlugin::getRealName(strBuf);

  532.     }

  533. 

  534.     bool getParameterName(const uint32_t parameterId, char* const strBuf) const noexcept override

  535.     {

  536.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr, false);

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

  538.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr, false);

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

  540. 

  541.         // FIXME - try

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

  543.         {

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

  545.             {

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

  547.                 return true;

  548.             }

  549. 

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

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

  552.         }

  553. 

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

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

  556.     }

  557. 

  558.     bool getParameterUnit(const uint32_t parameterId, char* const strBuf) const noexcept override

  559.     {

  560.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr, false);

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

  562.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr, false);

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

  564. 

  565.         // FIXME - try

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

  567.         {

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

  569.             {

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

  571.                 return true;

  572.             }

  573. 

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

  575.         }

  576. 

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

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

  579.     }

  580. 

  581.     bool getParameterScalePointLabel(const uint32_t parameterId, const uint32_t scalePointId, char* const strBuf) const noexcept override

  582.     {

  583.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr, false);

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

  585.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr, false);

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

  587. 

  588.         // FIXME - try

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

  590.         {

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

  592. 

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

  594. 

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

  596.             {

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

  598.                 return true;

  599.             }

  600. 

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

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

  603.         }

  604. 

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

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

  607.     }

  608. 

  609.     // -------------------------------------------------------------------

  610.     // Set data (state)

  611. 

  612.     void prepareForSave() override

  613.     {

  614.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  615.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  616. 

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

  618.         {

  619.             char strBuf[STR_MAX+1];

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

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

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

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

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

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

  626. 

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

  628.         }

  629. 

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

  631.             return;

  632. 

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

  634.         {

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

  636.             std::free(data);

  637.         }

  638.     }

  639. 

  640.     // -------------------------------------------------------------------

  641.     // Set data (internal stuff)

  642. 

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

  644.     {

  645.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  646.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  648. 

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

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

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

  652. 

  653.         if (fHost.uiName != nullptr)

  654.             delete[] fHost.uiName;

  655.         fHost.uiName = carla_strdup(uiName);

  656. 

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

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

  659. 

  660.         CarlaPlugin::setName(newName);

  661.     }

  662. 

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

  664.     {

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

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

  667. 

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

  669.     }

  670. 

  671.     // -------------------------------------------------------------------

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

  673. 

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

  675.     {

  676.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

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

  678.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  680. 

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

  682. 

  683.         // FIXME - try

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

  685. 

  686.         if (fHandle2 != nullptr)

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

  688. 

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

  690.     }

  691. 

  692.     void setParameterValueRT(const uint32_t parameterId, const float value, const bool sendCallbackLater) noexcept override

  693.     {

  694.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

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

  696.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  698. 

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

  700. 

  701.         // FIXME - try

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

  703. 

  704.         if (fHandle2 != nullptr)

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

  706. 

  707.         CarlaPlugin::setParameterValueRT(parameterId, fixedValue, sendCallbackLater);

  708.     }

  709. 

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

  711.     {

  712.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  713.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

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

  716.         CARLA_SAFE_ASSERT_RETURN(value != nullptr,);

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

  718. 

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

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

  721. 

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

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

  724. 

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

  726.         {

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

  728.             {

  729.                 const ScopedSingleProcessLocker spl(this, true);

  730. 

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

  732. 

  733.                 if (fHandle2 != nullptr)

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

  735.             }

  736.         }

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

  738.         {

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

  740. 

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

  742.             {

  743.                 uint8_t channel = 0;

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

  745.                 {

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

  747. 

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

  749.                     {

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

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

  752. 

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

  754. 

  755.                         if (fHandle2 != nullptr)

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

  757. 

  758.                         fCurMidiProgs[channel] = index;

  759. 

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

  761.                         {

  762.                             pData->midiprog.current = index;

  763.                             pData->engine->callback(true, true,

  764.                                                     ENGINE_CALLBACK_MIDI_PROGRAM_CHANGED,

  765.                                                     pData->id,

  766.                                                     index,

  767.                                                     0, 0, 0.0f, nullptr);

  768.                         }

  769.                     }

  770. 

  771.                     ++channel;

  772.                 }

  773.                 CARLA_SAFE_ASSERT(channel == MAX_MIDI_CHANNELS);

  774.             }

  775.         }

  776.         else

  777.         {

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

  779.             {

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

  781. 

  782.                 if (fHandle2 != nullptr)

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

  784.             }

  785. 

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

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

  788.         }

  789. 

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

  791.     }

  792. 

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

  794.     {

  795.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  796.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  798.         CARLA_SAFE_ASSERT_RETURN(sendGui || sendOsc || sendCallback || doingInit,);

  799. 

  800.         // TODO, put into check below

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

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

  803. 

  804.         if (index >= 0)

  805.         {

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

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

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

  809. 

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

  811. 

  812.             try {

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

  814.             } catch(...) {}

  815. 

  816.             if (fHandle2 != nullptr)

  817.             {

  818.                 try {

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

  820.                 } catch(...) {}

  821.             }

  822. 

  823.             fCurMidiProgs[channel] = index;

  824.         }

  825. 

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

  827.     }

  828. 

  829.     // FIXME: this is never used

  830.     void setMidiProgramRT(const uint32_t index, const bool sendCallbackLater) noexcept override

  831.     {

  832.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  833.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  835. 

  836.         // TODO, put into check below

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

  838.            return CarlaPlugin::setMidiProgramRT(index, sendCallbackLater);

  839. 

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

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

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

  843. 

  844.         try {

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

  846.         } catch(...) {}

  847. 

  848.         if (fHandle2 != nullptr)

  849.         {

  850.             try {

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

  852.             } catch(...) {}

  853.         }

  854. 

  855.         fCurMidiProgs[channel] = static_cast<int32_t>(index);

  856. 

  857.         CarlaPlugin::setMidiProgramRT(index, sendCallbackLater);

  858.     }

  859. 

  860.     // -------------------------------------------------------------------

  861.     // Set ui stuff

  862. 

  863.     void showCustomUI(const bool yesNo) override

  864.     {

  865.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  866.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  867. 

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

  869.             return;

  870. 

  871.         fIsUiAvailable = true;

  872. 

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

  874. 

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

  876.         if (yesNo && ! fIsUiAvailable)

  877.             return;

  878. 

  879.         fIsUiVisible = yesNo;

  880. 

  881.         if (! yesNo)

  882.         {

  883. #ifndef BUILD_BRIDGE

  884.             pData->transientTryCounter = 0;

  885. #endif

  886.             return;

  887.         }

  888. 

  889. #ifndef BUILD_BRIDGE

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

  891.             pData->tryTransient();

  892. #endif

  893. 

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

  895.         {

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

  897.             {

  898.                 const CustomData& cData(it.getValue(kCustomDataFallback));

  899.                 CARLA_SAFE_ASSERT_CONTINUE(cData.isValid());

  900. 

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

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

  903.             }

  904.         }

  905. 

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

  907.         {

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

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

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

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

  912. 

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

  914.         }

  915. 

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

  917.         {

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

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

  920.         }

  921.     }

  922. 

  923.     void idle() override

  924.     {

  925.         if (fNeedsIdle)

  926.         {

  927.             fNeedsIdle = false;

  928.             fDescriptor->dispatcher(fHandle, NATIVE_PLUGIN_OPCODE_IDLE, 0, 0, nullptr, 0.0f);

  929.         }

  930. 

  931.         if (fInlineDisplayNeedsRedraw)

  932.         {

  933.             // TESTING

  934.             CARLA_SAFE_ASSERT(pData->enabled)

  935.             CARLA_SAFE_ASSERT(!pData->engine->isAboutToClose());

  936.             CARLA_SAFE_ASSERT(pData->client->isActive());

  937. 

  938.             if (pData->enabled && !pData->engine->isAboutToClose() && pData->client->isActive())

  939.             {

  940.                 const int64_t timeNow = water::Time::currentTimeMillis();

  941. 

  942.                 if (timeNow - fInlineDisplayLastRedrawTime > (1000 / 30))

  943.                 {

  944.                     fInlineDisplayNeedsRedraw = false;

  945.                     fInlineDisplayLastRedrawTime = timeNow;

  946.                     pData->engine->callback(true, true,

  947.                                             ENGINE_CALLBACK_INLINE_DISPLAY_REDRAW,

  948.                                             pData->id,

  949.                                             0, 0, 0, 0.0f, nullptr);

  950.                 }

  951.             }

  952.         }

  953.     }

  954. 

  955.     void uiIdle() override

  956.     {

  957.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  958.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  959. 

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

  961.             fDescriptor->ui_idle(fHandle);

  962. 

  963.         CarlaPlugin::uiIdle();

  964.     }

  965. 

  966.     // -------------------------------------------------------------------

  967.     // Plugin state

  968. 

  969.     void reload() override

  970.     {

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

  972.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  973.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  975. 

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

  977. 

  978.         // Safely disable plugin for reload

  979.         const ScopedDisabler sd(this);

  980. 

  981.         if (pData->active)

  982.             deactivate();

  983. 

  984.         clearBuffers();

  985. 

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

  987. 

  988.         uint32_t aIns, aOuts, cvIns, cvOuts, mIns, mOuts, params, j;

  989. 

  990.         bool forcedStereoIn, forcedStereoOut;

  991.         forcedStereoIn = forcedStereoOut = false;

  992. 

  993.         bool needsCtrlIn, needsCtrlOut;

  994.         needsCtrlIn = needsCtrlOut = false;

  995. 

  996.         aIns   = fDescriptor->audioIns;

  997.         aOuts  = fDescriptor->audioOuts;

  998.         cvIns  = fDescriptor->cvIns;

  999.         cvOuts = fDescriptor->cvOuts;

  1000.         mIns   = fDescriptor->midiIns;

  1001.         mOuts  = fDescriptor->midiOuts;

  1002.         params = (fDescriptor->get_parameter_count != nullptr && fDescriptor->get_parameter_info != nullptr) ? fDescriptor->get_parameter_count(fHandle) : 0;

  1003. 

  1004.         if ((pData->options & PLUGIN_OPTION_FORCE_STEREO) != 0 && (aIns == 1 || aOuts == 1) && mIns <= 1 && mOuts <= 1)

  1005.         {

  1006.             if (fHandle2 == nullptr)

  1007.                 fHandle2 = fDescriptor->instantiate(&fHost);

  1008. 

  1009.             if (fHandle2 != nullptr)

  1010.             {

  1011.                 if (aIns == 1)

  1012.                 {

  1013.                     aIns = 2;

  1014.                     forcedStereoIn = true;

  1015.                 }

  1016. 

  1017.                 if (aOuts == 1)

  1018.                 {

  1019.                     aOuts = 2;

  1020.                     forcedStereoOut = true;

  1021.                 }

  1022.             }

  1023.         }

  1024. 

  1025.         if (aIns > 0)

  1026.         {

  1027.             pData->audioIn.createNew(aIns);

  1028.         }

  1029. 

  1030.         if (aOuts > 0)

  1031.         {

  1032.             pData->audioOut.createNew(aOuts);

  1033.             needsCtrlIn = true;

  1034.         }

  1035. 

  1036.         if (cvIns > 0)

  1037.         {

  1038.             pData->cvIn.createNew(cvIns);

  1039.         }

  1040. 

  1041.         if (cvOuts > 0)

  1042.         {

  1043.             pData->cvOut.createNew(cvOuts);

  1044.         }

  1045. 

  1046.         if (const uint32_t acIns = aIns + cvIns)

  1047.         {

  1048.             fAudioAndCvInBuffers = new float*[acIns];

  1049.             carla_zeroPointers(fAudioAndCvInBuffers, acIns);

  1050.         }

  1051. 

  1052.         if (const uint32_t acOuts = aOuts + cvOuts)

  1053.         {

  1054.             fAudioAndCvOutBuffers = new float*[acOuts];

  1055.             carla_zeroPointers(fAudioAndCvOutBuffers, acOuts);

  1056.         }

  1057. 

  1058.         if (mIns > 0)

  1059.         {

  1060.             fMidiIn.createNew(mIns);

  1061.             needsCtrlIn = (mIns == 1);

  1062.         }

  1063. 

  1064.         if (mOuts > 0)

  1065.         {

  1066.             fMidiOut.createNew(mOuts);

  1067.             needsCtrlOut = (mOuts == 1);

  1068.         }

  1069. 

  1070.         if (params > 0)

  1071.         {

  1072.             pData->param.createNew(params, true);

  1073.         }

  1074. 

  1075.         const uint portNameSize(pData->engine->getMaxPortNameSize());

  1076.         CarlaString portName;

  1077. 

  1078.         // Audio Ins

  1079.         for (j=0; j < aIns; ++j)

  1080.         {

  1081.             portName.clear();

  1082. 

  1083.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1084.             {

  1085.                 portName  = pData->name;

  1086.                 portName += ":";

  1087.             }

  1088. 

  1089.             if (aIns > 1 && ! forcedStereoIn)

  1090.             {

  1091.                 portName += "input_";

  1092.                 portName += CarlaString(j+1);

  1093.             }

  1094.             else

  1095.                 portName += "input";

  1096. 

  1097.             portName.truncate(portNameSize);

  1098. 

  1099.             pData->audioIn.ports[j].port   = (CarlaEngineAudioPort*)pData->client->addPort(kEnginePortTypeAudio, portName, true, j);

  1100.             pData->audioIn.ports[j].rindex = j;

  1101. 

  1102.             if (forcedStereoIn)

  1103.             {

  1104.                 portName += "_2";

  1105.                 pData->audioIn.ports[1].port   = (CarlaEngineAudioPort*)pData->client->addPort(kEnginePortTypeAudio, portName, true, 1);

  1106.                 pData->audioIn.ports[1].rindex = j;

  1107.                 break;

  1108.             }

  1109.         }

  1110. 

  1111.         // Audio Outs

  1112.         for (j=0; j < aOuts; ++j)

  1113.         {

  1114.             portName.clear();

  1115. 

  1116.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1117.             {

  1118.                 portName  = pData->name;

  1119.                 portName += ":";

  1120.             }

  1121. 

  1122.             if (aOuts > 1 && ! forcedStereoOut)

  1123.             {

  1124.                 portName += "output_";

  1125.                 portName += CarlaString(j+1);

  1126.             }

  1127.             else

  1128.                 portName += "output";

  1129. 

  1130.             portName.truncate(portNameSize);

  1131. 

  1132.             pData->audioOut.ports[j].port   = (CarlaEngineAudioPort*)pData->client->addPort(kEnginePortTypeAudio, portName, false, j);

  1133.             pData->audioOut.ports[j].rindex = j;

  1134. 

  1135.             if (forcedStereoOut)

  1136.             {

  1137.                 portName += "_2";

  1138.                 pData->audioOut.ports[1].port   = (CarlaEngineAudioPort*)pData->client->addPort(kEnginePortTypeAudio, portName, false, 1);

  1139.                 pData->audioOut.ports[1].rindex = j;

  1140.                 break;

  1141.             }

  1142.         }

  1143. 

  1144.         // CV Ins

  1145.         for (j=0; j < cvIns; ++j)

  1146.         {

  1147.             portName.clear();

  1148. 

  1149.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1150.             {

  1151.                 portName  = pData->name;

  1152.                 portName += ":";

  1153.             }

  1154. 

  1155.             if (cvIns > 1)

  1156.             {

  1157.                 portName += "cv_input_";

  1158.                 portName += CarlaString(j+1);

  1159.             }

  1160.             else

  1161.                 portName += "cv_input";

  1162. 

  1163.             portName.truncate(portNameSize);

  1164. 

  1165.             pData->cvIn.ports[j].port   = (CarlaEngineCVPort*)pData->client->addPort(kEnginePortTypeCV, portName, true, j);

  1166.             pData->cvIn.ports[j].rindex = j;

  1167.         }

  1168. 

  1169.         // CV Outs

  1170.         for (j=0; j < cvOuts; ++j)

  1171.         {

  1172.             portName.clear();

  1173. 

  1174.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1175.             {

  1176.                 portName  = pData->name;

  1177.                 portName += ":";

  1178.             }

  1179. 

  1180.             if (cvOuts > 1)

  1181.             {

  1182.                 portName += "cv_output_";

  1183.                 portName += CarlaString(j+1);

  1184.             }

  1185.             else

  1186.                 portName += "cv_output";

  1187. 

  1188.             portName.truncate(portNameSize);

  1189. 

  1190.             pData->cvOut.ports[j].port   = (CarlaEngineCVPort*)pData->client->addPort(kEnginePortTypeCV, portName, false, j);

  1191.             pData->cvOut.ports[j].rindex = j;

  1192.         }

  1193. 

  1194.         // MIDI Input (only if multiple)

  1195.         if (mIns > 1)

  1196.         {

  1197.             for (j=0; j < mIns; ++j)

  1198.             {

  1199.                 portName.clear();

  1200. 

  1201.                 if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1202.                 {

  1203.                     portName  = pData->name;

  1204.                     portName += ":";

  1205.                 }

  1206. 

  1207.                 portName += "midi-in_";

  1208.                 portName += CarlaString(j+1);

  1209.                 portName.truncate(portNameSize);

  1210. 

  1211.                 fMidiIn.ports[j]   = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, true, j);

  1212.                 fMidiIn.indexes[j] = j;

  1213.             }

  1214. 

  1215.             pData->event.portIn = fMidiIn.ports[0];

  1216.         }

  1217. 

  1218.         // MIDI Output (only if multiple)

  1219.         if (mOuts > 1)

  1220.         {

  1221.             for (j=0; j < mOuts; ++j)

  1222.             {

  1223.                 portName.clear();

  1224. 

  1225.                 if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1226.                 {

  1227.                     portName  = pData->name;

  1228.                     portName += ":";

  1229.                 }

  1230. 

  1231.                 portName += "midi-out_";

  1232.                 portName += CarlaString(j+1);

  1233.                 portName.truncate(portNameSize);

  1234. 

  1235.                 fMidiOut.ports[j]   = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, false, j);

  1236.                 fMidiOut.indexes[j] = j;

  1237.             }

  1238. 

  1239.             pData->event.portOut = fMidiOut.ports[0];

  1240.         }

  1241. 

  1242.         for (j=0; j < params; ++j)

  1243.         {

  1244.             const NativeParameter* const paramInfo(fDescriptor->get_parameter_info(fHandle, j));

  1245. 

  1246.             CARLA_SAFE_ASSERT_CONTINUE(paramInfo != nullptr);

  1247. 

  1248.             pData->param.data[j].type   = PARAMETER_UNKNOWN;

  1249.             pData->param.data[j].index  = static_cast<int32_t>(j);

  1250.             pData->param.data[j].rindex = static_cast<int32_t>(j);

  1251. 

  1252.             float min, max, def, step, stepSmall, stepLarge;

  1253. 

  1254.             // min value

  1255.             min = paramInfo->ranges.min;

  1256. 

  1257.             // max value

  1258.             max = paramInfo->ranges.max;

  1259. 

  1260.             if (min > max)

  1261.                 max = min;

  1262. 

  1263.             if (carla_isEqual(min, max))

  1264.             {

  1265.                 carla_stderr2("WARNING - Broken plugin parameter '%s': max == min", paramInfo->name);

  1266.                 max = min + 0.1f;

  1267.             }

  1268. 

  1269.             // default value

  1270.             def = paramInfo->ranges.def;

  1271. 

  1272.             if (def < min)

  1273.                 def = min;

  1274.             else if (def > max)

  1275.                 def = max;

  1276. 

  1277.             if (paramInfo->hints & NATIVE_PARAMETER_USES_SAMPLE_RATE)

  1278.             {

  1279.                 min *= sampleRate;

  1280.                 max *= sampleRate;

  1281.                 def *= sampleRate;

  1282.                 pData->param.data[j].hints |= PARAMETER_USES_SAMPLERATE;

  1283.             }

  1284. 

  1285.             if (paramInfo->hints & NATIVE_PARAMETER_IS_BOOLEAN)

  1286.             {

  1287.                 step = max - min;

  1288.                 stepSmall = step;

  1289.                 stepLarge = step;

  1290.                 pData->param.data[j].hints |= PARAMETER_IS_BOOLEAN;

  1291.             }

  1292.             else if (paramInfo->hints & NATIVE_PARAMETER_IS_INTEGER)

  1293.             {

  1294.                 step = 1.0f;

  1295.                 stepSmall = 1.0f;

  1296.                 stepLarge = 10.0f;

  1297.                 pData->param.data[j].hints |= PARAMETER_IS_INTEGER;

  1298.             }

  1299.             else

  1300.             {

  1301.                 float range = max - min;

  1302.                 step = range/100.0f;

  1303.                 stepSmall = range/1000.0f;

  1304.                 stepLarge = range/10.0f;

  1305.             }

  1306. 

  1307.             if (paramInfo->hints & NATIVE_PARAMETER_IS_OUTPUT)

  1308.             {

  1309.                 pData->param.data[j].type = PARAMETER_OUTPUT;

  1310.                 needsCtrlOut = true;

  1311.             }

  1312.             else

  1313.             {

  1314.                 pData->param.data[j].type = PARAMETER_INPUT;

  1315.                 needsCtrlIn = true;

  1316.             }

  1317. 

  1318.             // extra parameter hints

  1319.             if (paramInfo->hints & NATIVE_PARAMETER_IS_ENABLED)

  1320.                 pData->param.data[j].hints |= PARAMETER_IS_ENABLED;

  1321. 

  1322.             if (paramInfo->hints & NATIVE_PARAMETER_IS_AUTOMABLE)

  1323.                 pData->param.data[j].hints |= PARAMETER_IS_AUTOMABLE;

  1324. 

  1325.             if (paramInfo->hints & NATIVE_PARAMETER_IS_LOGARITHMIC)

  1326.                 pData->param.data[j].hints |= PARAMETER_IS_LOGARITHMIC;

  1327. 

  1328.             if (paramInfo->hints & NATIVE_PARAMETER_USES_SCALEPOINTS)

  1329.                 pData->param.data[j].hints |= PARAMETER_USES_SCALEPOINTS;

  1330. 

  1331.             pData->param.ranges[j].min = min;

  1332.             pData->param.ranges[j].max = max;

  1333.             pData->param.ranges[j].def = def;

  1334.             pData->param.ranges[j].step = step;

  1335.             pData->param.ranges[j].stepSmall = stepSmall;

  1336.             pData->param.ranges[j].stepLarge = stepLarge;

  1337.         }

  1338. 

  1339.         if (needsCtrlIn || mIns == 1)

  1340.         {

  1341.             portName.clear();

  1342. 

  1343.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1344.             {

  1345.                 portName  = pData->name;

  1346.                 portName += ":";

  1347.             }

  1348. 

  1349.             portName += "events-in";

  1350.             portName.truncate(portNameSize);

  1351. 

  1352.             pData->event.portIn = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, true, 0);

  1353.         }

  1354. 

  1355.         if (needsCtrlOut || mOuts == 1)

  1356.         {

  1357.             portName.clear();

  1358. 

  1359.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1360.             {

  1361.                 portName  = pData->name;

  1362.                 portName += ":";

  1363.             }

  1364. 

  1365.             portName += "events-out";

  1366.             portName.truncate(portNameSize);

  1367. 

  1368.             pData->event.portOut = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, false, 0);

  1369.         }

  1370. 

  1371.         if (forcedStereoIn || forcedStereoOut)

  1372.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  1373.         else

  1374.             pData->options &= ~PLUGIN_OPTION_FORCE_STEREO;

  1375. 

  1376.         // plugin hints

  1377.         pData->hints = 0x0;

  1378. 

  1379.         if (aOuts > 0 && (aIns == aOuts || aIns == 1))

  1380.             pData->hints |= PLUGIN_CAN_DRYWET;

  1381. 

  1382.         if (aOuts > 0)

  1383.             pData->hints |= PLUGIN_CAN_VOLUME;

  1384. 

  1385.         if (aOuts >= 2 && aOuts % 2 == 0)

  1386.             pData->hints |= PLUGIN_CAN_BALANCE;

  1387. 

  1388.         // native plugin hints

  1389.         if (fDescriptor->hints & NATIVE_PLUGIN_IS_RTSAFE)

  1390.             pData->hints |= PLUGIN_IS_RTSAFE;

  1391.         if (fDescriptor->hints & NATIVE_PLUGIN_IS_SYNTH)

  1392.             pData->hints |= PLUGIN_IS_SYNTH;

  1393.         if (fDescriptor->hints & NATIVE_PLUGIN_HAS_UI)

  1394.             pData->hints |= PLUGIN_HAS_CUSTOM_UI;

  1395.         if (fDescriptor->hints & NATIVE_PLUGIN_NEEDS_FIXED_BUFFERS)

  1396.             pData->hints |= PLUGIN_NEEDS_FIXED_BUFFERS;

  1397.         if (fDescriptor->hints & NATIVE_PLUGIN_NEEDS_UI_MAIN_THREAD)

  1398.             pData->hints |= PLUGIN_NEEDS_UI_MAIN_THREAD;

  1399.         if (fDescriptor->hints & NATIVE_PLUGIN_USES_MULTI_PROGS)

  1400.             pData->hints |= PLUGIN_USES_MULTI_PROGS;

  1401.         if (fDescriptor->hints & NATIVE_PLUGIN_HAS_INLINE_DISPLAY)

  1402.             pData->hints |= PLUGIN_HAS_INLINE_DISPLAY;

  1403. 

  1404.         // extra plugin hints

  1405.         pData->extraHints = 0x0;

  1406. 

  1407.         bufferSizeChanged(pData->engine->getBufferSize());

  1408.         reloadPrograms(true);

  1409. 

  1410.         if (pData->active)

  1411.             activate();

  1412. 

  1413.         carla_debug("CarlaPluginNative::reload() - end");

  1414.     }

  1415. 

  1416.     void reloadPrograms(const bool doInit) override

  1417.     {

  1418.         carla_debug("CarlaPluginNative::reloadPrograms(%s)", bool2str(doInit));

  1419.         uint32_t i, oldCount  = pData->midiprog.count;

  1420.         const int32_t current = pData->midiprog.current;

  1421. 

  1422.         // Delete old programs

  1423.         pData->midiprog.clear();

  1424. 

  1425.         // Query new programs

  1426.         uint32_t count = 0;

  1427.         if (fDescriptor->get_midi_program_count != nullptr && fDescriptor->get_midi_program_info != nullptr && fDescriptor->set_midi_program != nullptr)

  1428.             count = fDescriptor->get_midi_program_count(fHandle);

  1429. 

  1430.         if (count > 0)

  1431.         {

  1432.             pData->midiprog.createNew(count);

  1433. 

  1434.             // Update data

  1435.             for (i=0; i < count; ++i)

  1436.             {

  1437.                 const NativeMidiProgram* const mpDesc(fDescriptor->get_midi_program_info(fHandle, i));

  1438.                 CARLA_SAFE_ASSERT_CONTINUE(mpDesc != nullptr);

  1439. 

  1440.                 pData->midiprog.data[i].bank    = mpDesc->bank;

  1441.                 pData->midiprog.data[i].program = mpDesc->program;

  1442.                 pData->midiprog.data[i].name    = carla_strdup(mpDesc->name);

  1443.             }

  1444.         }

  1445. 

  1446.         if (doInit)

  1447.         {

  1448.             if (count > 0)

  1449.                 setMidiProgram(0, false, false, false, true);

  1450.         }

  1451.         else

  1452.         {

  1453.             // Check if current program is invalid

  1454.             bool programChanged = false;

  1455. 

  1456.             if (count == oldCount+1)

  1457.             {

  1458.                 // one midi program added, probably created by user

  1459.                 pData->midiprog.current = static_cast<int32_t>(oldCount);

  1460.                 programChanged = true;

  1461.             }

  1462.             else if (current < 0 && count > 0)

  1463.             {

  1464.                 // programs exist now, but not before

  1465.                 pData->midiprog.current = 0;

  1466.                 programChanged = true;

  1467.             }

  1468.             else if (current >= 0 && count == 0)

  1469.             {

  1470.                 // programs existed before, but not anymore

  1471.                 pData->midiprog.current = -1;

  1472.                 programChanged = true;

  1473.             }

  1474.             else if (current >= static_cast<int32_t>(count))

  1475.             {

  1476.                 // current midi program > count

  1477.                 pData->midiprog.current = 0;

  1478.                 programChanged = true;

  1479.             }

  1480.             else

  1481.             {

  1482.                 // no change

  1483.                 pData->midiprog.current = current;

  1484.             }

  1485. 

  1486.             if (programChanged)

  1487.                 setMidiProgram(pData->midiprog.current, true, true, true, false);

  1488. 

  1489.             pData->engine->callback(true, true,

  1490.                                     ENGINE_CALLBACK_RELOAD_PROGRAMS,

  1491.                                     pData->id,

  1492.                                     0, 0, 0, 0.0f, nullptr);

  1493.         }

  1494.     }

  1495. 

  1496.     // -------------------------------------------------------------------

  1497.     // Plugin processing

  1498. 

  1499.     void activate() noexcept override

  1500.     {

  1501.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1502.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  1503. 

  1504.         if (fDescriptor->activate != nullptr)

  1505.         {

  1506.             try {

  1507.                 fDescriptor->activate(fHandle);

  1508.             } catch(...) {}

  1509. 

  1510.             if (fHandle2 != nullptr)

  1511.             {

  1512.                 try {

  1513.                     fDescriptor->activate(fHandle2);

  1514.                 } catch(...) {}

  1515.             }

  1516.         }

  1517.     }

  1518. 

  1519.     void deactivate() noexcept override

  1520.     {

  1521.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1522.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  1523. 

  1524.         if (fDescriptor->deactivate != nullptr)

  1525.         {

  1526.             try {

  1527.                 fDescriptor->deactivate(fHandle);

  1528.             } catch(...) {}

  1529. 

  1530.             if (fHandle2 != nullptr)

  1531.             {

  1532.                 try {

  1533.                     fDescriptor->deactivate(fHandle2);

  1534.                 } catch(...) {}

  1535.             }

  1536.         }

  1537.     }

  1538. 

  1539.     const EngineEvent& findNextEvent()

  1540.     {

  1541.         if (fMidiIn.count == 1)

  1542.         {

  1543.             NativePluginMidiInData::MultiPortData& multiportData(fMidiIn.multiportData[0]);

  1544. 

  1545.             if (multiportData.usedIndex == multiportData.cachedEventCount)

  1546.             {

  1547.                 const uint32_t eventCount = pData->event.portIn->getEventCount();

  1548.                 CARLA_SAFE_ASSERT_INT2(eventCount == multiportData.cachedEventCount,

  1549.                                        eventCount, multiportData.cachedEventCount);

  1550.                 return kNullEngineEvent;

  1551.             }

  1552. 

  1553.             return pData->event.portIn->getEvent(multiportData.usedIndex++);

  1554.         }

  1555. 

  1556.         uint32_t lowestSampleTime = 9999999;

  1557.         uint32_t portMatching = 0;

  1558.         bool found = false;

  1559. 

  1560.         // process events in order for multiple ports

  1561.         for (uint32_t m=0; m < fMidiIn.count; ++m)

  1562.         {

  1563.             CarlaEngineEventPort* const eventPort(fMidiIn.ports[m]);

  1564.             NativePluginMidiInData::MultiPortData& multiportData(fMidiIn.multiportData[m]);

  1565. 

  1566.             if (multiportData.usedIndex == multiportData.cachedEventCount)

  1567.                 continue;

  1568. 

  1569.             const EngineEvent& event(eventPort->getEventUnchecked(multiportData.usedIndex));

  1570. 

  1571.             if (event.time < lowestSampleTime)

  1572.             {

  1573.                 lowestSampleTime = event.time;

  1574.                 portMatching = m;

  1575.                 found = true;

  1576.             }

  1577.         }

  1578. 

  1579.         if (found)

  1580.         {

  1581.             CarlaEngineEventPort* const eventPort(fMidiIn.ports[portMatching]);

  1582.             NativePluginMidiInData::MultiPortData& multiportData(fMidiIn.multiportData[portMatching]);

  1583. 

  1584.             return eventPort->getEvent(multiportData.usedIndex++);

  1585.         }

  1586. 

  1587.         return kNullEngineEvent;

  1588.     }

  1589. 

  1590.     void process(const float** const audioIn, float** const audioOut,

  1591.                  const float** const cvIn, float** const cvOut, const uint32_t frames) override

  1592.     {

  1593.         // --------------------------------------------------------------------------------------------------------

  1594.         // Check if active

  1595. 

  1596.         if (! pData->active)

  1597.         {

  1598.             // disable any output sound

  1599.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1600.                 carla_zeroFloats(audioOut[i], frames);

  1601.             for (uint32_t i=0; i < pData->cvOut.count; ++i)

  1602.                 carla_zeroFloats(cvOut[i], frames);

  1603.             return;

  1604.         }

  1605. 

  1606.         fMidiEventInCount = fMidiEventOutCount = 0;

  1607.         carla_zeroStructs(fMidiInEvents, kPluginMaxMidiEvents);

  1608.         carla_zeroStructs(fMidiOutEvents, kPluginMaxMidiEvents);

  1609. 

  1610.         // --------------------------------------------------------------------------------------------------------

  1611.         // Check if needs reset

  1612. 

  1613.         if (pData->needsReset)

  1614.         {

  1615.             if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1616.             {

  1617.                 fMidiEventInCount = MAX_MIDI_CHANNELS*2;

  1618. 

  1619.                 for (uint8_t k=0, i=MAX_MIDI_CHANNELS; k < MAX_MIDI_CHANNELS; ++k)

  1620.                 {

  1621.                     fMidiInEvents[k].data[0] = uint8_t(MIDI_STATUS_CONTROL_CHANGE | (k & MIDI_CHANNEL_BIT));

  1622.                     fMidiInEvents[k].data[1] = MIDI_CONTROL_ALL_NOTES_OFF;

  1623.                     fMidiInEvents[k].data[2] = 0;

  1624.                     fMidiInEvents[k].size    = 3;

  1625. 

  1626.                     fMidiInEvents[k+i].data[0] = uint8_t(MIDI_STATUS_CONTROL_CHANGE | (k & MIDI_CHANNEL_BIT));

  1627.                     fMidiInEvents[k+i].data[1] = MIDI_CONTROL_ALL_SOUND_OFF;

  1628.                     fMidiInEvents[k+i].data[2] = 0;

  1629.                     fMidiInEvents[k+i].size    = 3;

  1630.                 }

  1631.             }

  1632.             else if (pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1633.             {

  1634.                 fMidiEventInCount = MAX_MIDI_NOTE;

  1635. 

  1636.                 for (uint8_t k=0; k < MAX_MIDI_NOTE; ++k)

  1637.                 {

  1638.                     fMidiInEvents[k].data[0] = uint8_t(MIDI_STATUS_NOTE_OFF | (pData->ctrlChannel & MIDI_CHANNEL_BIT));

  1639.                     fMidiInEvents[k].data[1] = k;

  1640.                     fMidiInEvents[k].data[2] = 0;

  1641.                     fMidiInEvents[k].size    = 3;

  1642.                 }

  1643.             }

  1644. 

  1645.             pData->needsReset = false;

  1646.         }

  1647. 

  1648.         // --------------------------------------------------------------------------------------------------------

  1649.         // Set TimeInfo

  1650. 

  1651.         const EngineTimeInfo timeInfo(pData->engine->getTimeInfo());

  1652. 

  1653.         fTimeInfo.playing = timeInfo.playing;

  1654.         fTimeInfo.frame   = timeInfo.frame;

  1655.         fTimeInfo.usecs   = timeInfo.usecs;

  1656. 

  1657.         if (timeInfo.bbt.valid)

  1658.         {

  1659.             fTimeInfo.bbt.valid = true;

  1660. 

  1661.             fTimeInfo.bbt.bar  = timeInfo.bbt.bar;

  1662.             fTimeInfo.bbt.beat = timeInfo.bbt.beat;

  1663.             fTimeInfo.bbt.tick = timeInfo.bbt.tick;

  1664.             fTimeInfo.bbt.barStartTick = timeInfo.bbt.barStartTick;

  1665. 

  1666.             fTimeInfo.bbt.beatsPerBar = timeInfo.bbt.beatsPerBar;

  1667.             fTimeInfo.bbt.beatType    = timeInfo.bbt.beatType;

  1668. 

  1669.             fTimeInfo.bbt.ticksPerBeat   = timeInfo.bbt.ticksPerBeat;

  1670.             fTimeInfo.bbt.beatsPerMinute = timeInfo.bbt.beatsPerMinute;

  1671.         }

  1672.         else

  1673.         {

  1674.             fTimeInfo.bbt.valid = false;

  1675.         }

  1676. 

  1677. #if 0

  1678.         // This test code has proven to be quite useful

  1679.         // So I am leaving it behind, I might need it again..

  1680.         if (pData->id == 1)

  1681.         {

  1682.             static int64_t last_frame = timeInfo.frame;

  1683.             static int64_t last_dev_frame = 0;

  1684.             static double last_val = timeInfo.bbt.barStartTick + ((timeInfo.bbt.beat-1) * timeInfo.bbt.ticksPerBeat) + timeInfo.bbt.tick;

  1685.             static double last_dev_val = 0.0;

  1686. 

  1687.             int64_t cur_frame = timeInfo.frame;

  1688.             int64_t cur_dev_frame = cur_frame - last_frame;

  1689. 

  1690.             double cur_val = timeInfo.bbt.barStartTick + ((timeInfo.bbt.beat-1) * timeInfo.bbt.ticksPerBeat) + timeInfo.bbt.tick;

  1691.             double cur_dev_val = cur_val - last_val;

  1692. 

  1693.             if (std::abs(last_dev_val - cur_dev_val) >= 0.0001 || last_dev_frame != cur_dev_frame)

  1694.             {

  1695.                 carla_stdout("currently %u at %u => %f : DEV1: %li : DEV2: %f",

  1696.                             frames,

  1697.                             timeInfo.frame,

  1698.                             cur_val,

  1699.                             cur_dev_frame,

  1700.                             cur_dev_val);

  1701.             }

  1702. 

  1703.             last_val = cur_val;

  1704.             last_dev_val = cur_dev_val;

  1705.             last_frame = cur_frame;

  1706.             last_dev_frame = cur_dev_frame;

  1707.         }

  1708. #endif

  1709. 

  1710.         // --------------------------------------------------------------------------------------------------------

  1711.         // Event Input and Processing

  1712. 

  1713.         if (pData->event.portIn != nullptr)

  1714.         {

  1715.             // ----------------------------------------------------------------------------------------------------

  1716.             // MIDI Input (External)

  1717. 

  1718.             if (pData->extNotes.mutex.tryLock())

  1719.             {

  1720.                 ExternalMidiNote note = { 0, 0, 0 };

  1721. 

  1722.                 for (; fMidiEventInCount < kPluginMaxMidiEvents && ! pData->extNotes.data.isEmpty();)

  1723.                 {

  1724.                     note = pData->extNotes.data.getFirst(note, true);

  1725. 

  1726.                     CARLA_SAFE_ASSERT_CONTINUE(note.channel >= 0 && note.channel < MAX_MIDI_CHANNELS);

  1727. 

  1728.                     NativeMidiEvent& nativeEvent(fMidiInEvents[fMidiEventInCount++]);

  1729. 

  1730.                     nativeEvent.data[0] = uint8_t((note.velo > 0 ? MIDI_STATUS_NOTE_ON : MIDI_STATUS_NOTE_OFF) | (note.channel & MIDI_CHANNEL_BIT));

  1731.                     nativeEvent.data[1] = note.note;

  1732.                     nativeEvent.data[2] = note.velo;

  1733.                     nativeEvent.size    = 3;

  1734.                 }

  1735. 

  1736.                 pData->extNotes.mutex.unlock();

  1737. 

  1738.             } // End of MIDI Input (External)

  1739. 

  1740.             // ----------------------------------------------------------------------------------------------------

  1741.             // Event Input (System)

  1742. 

  1743. #ifndef BUILD_BRIDGE

  1744.             bool allNotesOffSent = false;

  1745. #endif

  1746.             bool sampleAccurate  = (pData->options & PLUGIN_OPTION_FIXED_BUFFERS) == 0;

  1747. 

  1748.             uint32_t startTime  = 0;

  1749.             uint32_t timeOffset = 0;

  1750.             uint32_t nextBankId;

  1751. 

  1752.             if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1753.                 nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1754.             else

  1755.                 nextBankId = 0;

  1756. 

  1757.             for (;;)

  1758.             {

  1759.                 const EngineEvent& event(findNextEvent());

  1760. 

  1761.                 if (event.type == kEngineEventTypeNull)

  1762.                     break;

  1763. 

  1764.                 uint32_t eventTime = event.time;

  1765.                 CARLA_SAFE_ASSERT_UINT2_CONTINUE(eventTime < frames, eventTime, frames);

  1766. 

  1767.                 if (eventTime < timeOffset)

  1768.                 {

  1769.                     carla_stderr2("Timing error, eventTime:%u < timeOffset:%u for '%s'",

  1770.                                   eventTime, timeOffset, pData->name);

  1771.                     eventTime = timeOffset;

  1772.                 }

  1773. 

  1774.                 if (sampleAccurate && eventTime > timeOffset)

  1775.                 {

  1776.                     if (processSingle(audioIn, audioOut, cvIn, cvOut, eventTime - timeOffset, timeOffset))

  1777.                     {

  1778.                         startTime  = 0;

  1779.                         timeOffset = eventTime;

  1780. 

  1781.                         if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1782.                             nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1783.                         else

  1784.                             nextBankId = 0;

  1785. 

  1786.                         if (fMidiEventInCount > 0)

  1787.                         {

  1788.                             carla_zeroStructs(fMidiInEvents, fMidiEventInCount);

  1789.                             fMidiEventInCount = 0;

  1790.                         }

  1791. 

  1792.                         if (fMidiEventOutCount > 0)

  1793.                         {

  1794.                             carla_zeroStructs(fMidiOutEvents, fMidiEventOutCount);

  1795.                             fMidiEventOutCount = 0;

  1796.                         }

  1797.                     }

  1798.                     else

  1799.                         startTime += timeOffset;

  1800.                 }

  1801. 

  1802.                 // Control change

  1803.                 switch (event.type)

  1804.                 {

  1805.                 case kEngineEventTypeNull:

  1806.                     break;

  1807. 

  1808.                 case kEngineEventTypeControl: {

  1809.                     const EngineControlEvent& ctrlEvent = event.ctrl;

  1810. 

  1811.                     switch (ctrlEvent.type)

  1812.                     {

  1813.                     case kEngineControlEventTypeNull:

  1814.                         break;

  1815. 

  1816.                     case kEngineControlEventTypeParameter: {

  1817. #ifndef BUILD_BRIDGE

  1818.                         // Control backend stuff

  1819.                         if (event.channel == pData->ctrlChannel)

  1820.                         {

  1821.                             float value;

  1822. 

  1823.                             if (MIDI_IS_CONTROL_BREATH_CONTROLLER(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_DRYWET) > 0)

  1824.                             {

  1825.                                 value = ctrlEvent.value;

  1826.                                 setDryWetRT(value, true);

  1827.                             }

  1828. 

  1829.                             if (MIDI_IS_CONTROL_CHANNEL_VOLUME(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_VOLUME) > 0)

  1830.                             {

  1831.                                 value = ctrlEvent.value*127.0f/100.0f;

  1832.                                 setVolumeRT(value, true);

  1833.                             }

  1834. 

  1835.                             if (MIDI_IS_CONTROL_BALANCE(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_BALANCE) > 0)

  1836.                             {

  1837.                                 float left, right;

  1838.                                 value = ctrlEvent.value/0.5f - 1.0f;

  1839. 

  1840.                                 if (value < 0.0f)

  1841.                                 {

  1842.                                     left  = -1.0f;

  1843.                                     right = (value*2.0f)+1.0f;

  1844.                                 }

  1845.                                 else if (value > 0.0f)

  1846.                                 {

  1847.                                     left  = (value*2.0f)-1.0f;

  1848.                                     right = 1.0f;

  1849.                                 }

  1850.                                 else

  1851.                                 {

  1852.                                     left  = -1.0f;

  1853.                                     right = 1.0f;

  1854.                                 }

  1855. 

  1856.                                 setBalanceLeftRT(left, true);

  1857.                                 setBalanceRightRT(right, true);

  1858.                             }

  1859.                         }

  1860. #endif

  1861.                         // Control plugin parameters

  1862.                         for (uint32_t k=0; k < pData->param.count; ++k)

  1863.                         {

  1864.                             if (pData->param.data[k].midiChannel != event.channel)

  1865.                                 continue;

  1866.                             if (pData->param.data[k].midiCC != ctrlEvent.param)

  1867.                                 continue;

  1868.                             if (pData->param.data[k].type != PARAMETER_INPUT)

  1869.                                 continue;

  1870.                             if ((pData->param.data[k].hints & PARAMETER_IS_AUTOMABLE) == 0)

  1871.                                 continue;

  1872. 

  1873.                             float value;

  1874. 

  1875.                             if (pData->param.data[k].hints & PARAMETER_IS_BOOLEAN)

  1876.                             {

  1877.                                 value = (ctrlEvent.value < 0.5f) ? pData->param.ranges[k].min : pData->param.ranges[k].max;

  1878.                             }

  1879.                             else

  1880.                             {

  1881.                                 if (pData->param.data[k].hints & PARAMETER_IS_LOGARITHMIC)

  1882.                                     value = pData->param.ranges[k].getUnnormalizedLogValue(ctrlEvent.value);

  1883.                                 else

  1884.                                     value = pData->param.ranges[k].getUnnormalizedValue(ctrlEvent.value);

  1885. 

  1886.                                 if (pData->param.data[k].hints & PARAMETER_IS_INTEGER)

  1887.                                     value = std::rint(value);

  1888.                             }

  1889. 

  1890.                             setParameterValueRT(k, value, true);

  1891.                         }

  1892. 

  1893.                         if ((pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0 && ctrlEvent.param < MAX_MIDI_CONTROL)

  1894.                         {

  1895.                             if (fMidiEventInCount >= kPluginMaxMidiEvents)

  1896.                                 continue;

  1897. 

  1898.                             NativeMidiEvent& nativeEvent(fMidiInEvents[fMidiEventInCount++]);

  1899.                             carla_zeroStruct(nativeEvent);

  1900. 

  1901.                             nativeEvent.time    = sampleAccurate ? startTime : eventTime;

  1902.                             nativeEvent.data[0] = uint8_t(MIDI_STATUS_CONTROL_CHANGE | (event.channel & MIDI_CHANNEL_BIT));

  1903.                             nativeEvent.data[1] = uint8_t(ctrlEvent.param);

  1904.                             nativeEvent.data[2] = uint8_t(ctrlEvent.value*127.0f);

  1905.                             nativeEvent.size    = 3;

  1906.                         }

  1907. 

  1908.                         break;

  1909.                     } // case kEngineControlEventTypeParameter

  1910. 

  1911.                     case kEngineControlEventTypeMidiBank:

  1912.                         if (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES)

  1913.                         {

  1914.                             if (event.channel == pData->ctrlChannel)

  1915.                                 nextBankId = ctrlEvent.param;

  1916.                         }

  1917.                         else if (pData->options & PLUGIN_OPTION_SEND_PROGRAM_CHANGES)

  1918.                         {

  1919.                             if (fMidiEventInCount >= kPluginMaxMidiEvents)

  1920.                                 continue;

  1921. 

  1922.                             NativeMidiEvent& nativeEvent(fMidiInEvents[fMidiEventInCount++]);

  1923.                             carla_zeroStruct(nativeEvent);

  1924. 

  1925.                             nativeEvent.time    = sampleAccurate ? startTime : eventTime;

  1926.                             nativeEvent.data[0] = uint8_t(MIDI_STATUS_CONTROL_CHANGE | (event.channel & MIDI_CHANNEL_BIT));

  1927.                             nativeEvent.data[1] = MIDI_CONTROL_BANK_SELECT;

  1928.                             nativeEvent.data[2] = uint8_t(ctrlEvent.param);

  1929.                             nativeEvent.size    = 3;

  1930.                         }

  1931.                         break;

  1932. 

  1933.                     case kEngineControlEventTypeMidiProgram:

  1934.                         if (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES)

  1935.                         {

  1936.                             if (event.channel < MAX_MIDI_CHANNELS)

  1937.                             {

  1938.                                 const uint32_t nextProgramId(ctrlEvent.param);

  1939. 

  1940.                                 for (uint32_t k=0; k < pData->midiprog.count; ++k)

  1941.                                 {

  1942.                                     if (pData->midiprog.data[k].bank == nextBankId && pData->midiprog.data[k].program == nextProgramId)

  1943.                                     {

  1944.                                         fDescriptor->set_midi_program(fHandle, event.channel, nextBankId, nextProgramId);

  1945. 

  1946.                                         if (fHandle2 != nullptr)

  1947.                                             fDescriptor->set_midi_program(fHandle2, event.channel, nextBankId, nextProgramId);

  1948. 

  1949.                                         fCurMidiProgs[event.channel] = static_cast<int32_t>(k);

  1950. 

  1951.                                         if (event.channel == pData->ctrlChannel)

  1952.                                         {

  1953.                                             pData->postponeRtEvent(kPluginPostRtEventMidiProgramChange,

  1954.                                                                    true,

  1955.                                                                    static_cast<int32_t>(k),

  1956.                                                                    0, 0, 0.0f);

  1957.                                         }

  1958. 

  1959.                                         break;

  1960.                                     }

  1961.                                 }

  1962.                             }

  1963.                         }

  1964.                         else if (pData->options & PLUGIN_OPTION_SEND_PROGRAM_CHANGES)

  1965.                         {

  1966.                             if (fMidiEventInCount >= kPluginMaxMidiEvents)

  1967.                                 continue;

  1968. 

  1969.                             NativeMidiEvent& nativeEvent(fMidiInEvents[fMidiEventInCount++]);

  1970.                             carla_zeroStruct(nativeEvent);

  1971. 

  1972.                             nativeEvent.time    = sampleAccurate ? startTime : eventTime;

  1973.                             nativeEvent.data[0] = uint8_t(MIDI_STATUS_PROGRAM_CHANGE | (event.channel & MIDI_CHANNEL_BIT));

  1974.                             nativeEvent.data[1] = uint8_t(ctrlEvent.param);

  1975.                             nativeEvent.size    = 2;

  1976.                         }

  1977.                         break;

  1978. 

  1979.                     case kEngineControlEventTypeAllSoundOff:

  1980.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1981.                         {

  1982.                             if (fMidiEventInCount >= kPluginMaxMidiEvents)

  1983.                                 continue;

  1984. 

  1985.                             NativeMidiEvent& nativeEvent(fMidiInEvents[fMidiEventInCount++]);

  1986.                             carla_zeroStruct(nativeEvent);

  1987. 

  1988.                             nativeEvent.time    = sampleAccurate ? startTime : eventTime;

  1989.                             nativeEvent.data[0] = uint8_t(MIDI_STATUS_CONTROL_CHANGE | (event.channel & MIDI_CHANNEL_BIT));

  1990.                             nativeEvent.data[1] = MIDI_CONTROL_ALL_SOUND_OFF;

  1991.                             nativeEvent.data[2] = 0;

  1992.                             nativeEvent.size    = 3;

  1993.                         }

  1994.                         break;

  1995. 

  1996.                     case kEngineControlEventTypeAllNotesOff:

  1997.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1998.                         {

  1999. #ifndef BUILD_BRIDGE

  2000.                             if (event.channel == pData->ctrlChannel && ! allNotesOffSent)

  2001.                             {

  2002.                                 allNotesOffSent = true;

  2003.                                 postponeRtAllNotesOff();

  2004.                             }

  2005. #endif

  2006. 

  2007.                             if (fMidiEventInCount >= kPluginMaxMidiEvents)

  2008.                                 continue;

  2009. 

  2010.                             NativeMidiEvent& nativeEvent(fMidiInEvents[fMidiEventInCount++]);

  2011.                             carla_zeroStruct(nativeEvent);

  2012. 

  2013.                             nativeEvent.time    = sampleAccurate ? startTime : eventTime;

  2014.                             nativeEvent.data[0] = uint8_t(MIDI_STATUS_CONTROL_CHANGE | (event.channel & MIDI_CHANNEL_BIT));

  2015.                             nativeEvent.data[1] = MIDI_CONTROL_ALL_NOTES_OFF;

  2016.                             nativeEvent.data[2] = 0;

  2017.                             nativeEvent.size    = 3;

  2018.                         }

  2019.                         break;

  2020.                     }

  2021.                     break;

  2022.                 }

  2023. 

  2024.                 case kEngineEventTypeMidi: {

  2025.                     if (fMidiEventInCount >= kPluginMaxMidiEvents)

  2026.                         continue;

  2027. 

  2028.                     const EngineMidiEvent& midiEvent(event.midi);

  2029. 

  2030.                     if (midiEvent.size > 4)

  2031.                         continue;

  2032. #ifdef CARLA_PROPER_CPP11_SUPPORT

  2033.                     static_assert(4 <= EngineMidiEvent::kDataSize, "Incorrect data");

  2034. #endif

  2035. 

  2036.                     uint8_t status = uint8_t(MIDI_GET_STATUS_FROM_DATA(midiEvent.data));

  2037. 

  2038.                     if (status == MIDI_STATUS_CHANNEL_PRESSURE && (pData->options & PLUGIN_OPTION_SEND_CHANNEL_PRESSURE) == 0)

  2039.                         continue;

  2040.                     if (status == MIDI_STATUS_CONTROL_CHANGE && (pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) == 0)

  2041.                         continue;

  2042.                     if (status == MIDI_STATUS_POLYPHONIC_AFTERTOUCH && (pData->options & PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH) == 0)

  2043.                         continue;

  2044.                     if (status == MIDI_STATUS_PITCH_WHEEL_CONTROL && (pData->options & PLUGIN_OPTION_SEND_PITCHBEND) == 0)

  2045.                         continue;

  2046. 

  2047.                     // Fix bad note-off

  2048.                     if (status == MIDI_STATUS_NOTE_ON && midiEvent.data[2] == 0)

  2049.                         status = MIDI_STATUS_NOTE_OFF;

  2050. 

  2051.                     NativeMidiEvent& nativeEvent(fMidiInEvents[fMidiEventInCount++]);

  2052.                     carla_zeroStruct(nativeEvent);

  2053. 

  2054.                     nativeEvent.port = midiEvent.port;

  2055.                     nativeEvent.time = sampleAccurate ? startTime : eventTime;

  2056.                     nativeEvent.size = midiEvent.size;

  2057. 

  2058.                     nativeEvent.data[0] = uint8_t(status | (event.channel & MIDI_CHANNEL_BIT));

  2059.                     nativeEvent.data[1] = midiEvent.size >= 2 ? midiEvent.data[1] : 0;

  2060.                     nativeEvent.data[2] = midiEvent.size >= 3 ? midiEvent.data[2] : 0;

  2061.                     nativeEvent.data[3] = midiEvent.size == 4 ? midiEvent.data[3] : 0;

  2062. 

  2063.                     if (status == MIDI_STATUS_NOTE_ON)

  2064.                     {

  2065.                         pData->postponeRtEvent(kPluginPostRtEventNoteOn,

  2066.                                                true,

  2067.                                                event.channel,

  2068.                                                midiEvent.data[1],

  2069.                                                midiEvent.data[2],

  2070.                                                0.0f);

  2071.                     }

  2072.                     else if (status == MIDI_STATUS_NOTE_OFF)

  2073.                     {

  2074.                         pData->postponeRtEvent(kPluginPostRtEventNoteOff,

  2075.                                                true,

  2076.                                                event.channel,

  2077.                                                midiEvent.data[1],

  2078.                                                0, 0.0f);

  2079.                     }

  2080.                 } break;

  2081.                 } // switch (event.type)

  2082.             }

  2083. 

  2084.             pData->postRtEvents.trySplice();

  2085. 

  2086.             if (frames > timeOffset)

  2087.                 processSingle(audioIn, audioOut, cvIn, cvOut, frames - timeOffset, timeOffset);

  2088. 

  2089.         } // End of Event Input and Processing

  2090. 

  2091.         // --------------------------------------------------------------------------------------------------------

  2092.         // Plugin processing (no events)

  2093. 

  2094.         else

  2095.         {

  2096.             processSingle(audioIn, audioOut, cvIn, cvOut, frames, 0);

  2097. 

  2098.         } // End of Plugin processing (no events)

  2099. 

  2100. #ifndef BUILD_BRIDGE

  2101.         // --------------------------------------------------------------------------------------------------------

  2102.         // Control Output

  2103. 

  2104.         if (pData->event.portOut != nullptr)

  2105.         {

  2106.             float value, curValue;

  2107. 

  2108.             for (uint32_t k=0; k < pData->param.count; ++k)

  2109.             {

  2110.                 if (pData->param.data[k].type != PARAMETER_OUTPUT)

  2111.                     continue;

  2112. 

  2113.                 curValue = fDescriptor->get_parameter_value(fHandle, k);

  2114.                 pData->param.ranges[k].fixValue(curValue);

  2115. 

  2116.                 if (pData->param.data[k].midiCC > 0)

  2117.                 {

  2118.                     value = pData->param.ranges[k].getNormalizedValue(curValue);

  2119.                     pData->event.portOut->writeControlEvent(0, pData->param.data[k].midiChannel, kEngineControlEventTypeParameter, static_cast<uint16_t>(pData->param.data[k].midiCC), value);

  2120.                 }

  2121.             }

  2122.         } // End of Control Output

  2123. #endif

  2124.     }

  2125. 

  2126.     bool processSingle(const float** const audioIn, float** const audioOut,

  2127.                        const float** const cvIn, float** const cvOut,

  2128.                        const uint32_t frames, const uint32_t timeOffset)

  2129.     {

  2130.         CARLA_SAFE_ASSERT_RETURN(frames > 0, false);

  2131. 

  2132.         if (pData->audioIn.count > 0) {

  2133.             CARLA_SAFE_ASSERT_RETURN(audioIn != nullptr, false);

  2134.         }

  2135.         if (pData->audioOut.count > 0) {

  2136.             CARLA_SAFE_ASSERT_RETURN(audioOut != nullptr, false);

  2137.         }

  2138.         if (pData->cvIn.count > 0) {

  2139.             CARLA_SAFE_ASSERT_RETURN(cvIn != nullptr, false);

  2140.         }

  2141.         if (pData->cvOut.count > 0) {

  2142.             CARLA_SAFE_ASSERT_RETURN(cvOut != nullptr, false);

  2143.         }

  2144. 

  2145.         // --------------------------------------------------------------------------------------------------------

  2146.         // Try lock, silence otherwise

  2147. 

  2148.         if (fIsOffline)

  2149.         {

  2150.             pData->singleMutex.lock();

  2151.         }

  2152.         else if (! pData->singleMutex.tryLock())

  2153.         {

  2154.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2155.             {

  2156.                 for (uint32_t k=0; k < frames; ++k)

  2157.                     audioOut[i][k+timeOffset] = 0.0f;

  2158.             }

  2159.             for (uint32_t i=0; i < pData->cvOut.count; ++i)

  2160.             {

  2161.                 for (uint32_t k=0; k < frames; ++k)

  2162.                     cvOut[i][k+timeOffset] = 0.0f;

  2163.             }

  2164. 

  2165.             return false;

  2166.         }

  2167. 

  2168.         // --------------------------------------------------------------------------------------------------------

  2169.         // Set audio buffers

  2170. 

  2171.         {

  2172.             for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2173.                 carla_copyFloats(fAudioAndCvInBuffers[i], audioIn[i]+timeOffset, frames);

  2174.             for (uint32_t i=0; i < pData->cvIn.count; ++i)

  2175.                 carla_copyFloats(fAudioAndCvInBuffers[pData->audioIn.count+i], cvIn[i]+timeOffset, frames);

  2176. 

  2177.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2178.                 carla_zeroFloats(fAudioAndCvOutBuffers[i], frames);

  2179.             for (uint32_t i=0; i < pData->cvOut.count; ++i)

  2180.                 carla_zeroFloats(fAudioAndCvOutBuffers[pData->audioOut.count+i], frames);

  2181.         }

  2182. 

  2183.         // --------------------------------------------------------------------------------------------------------

  2184.         // Run plugin

  2185. 

  2186.         fIsProcessing = true;

  2187. 

  2188.         if (fHandle2 == nullptr)

  2189.         {

  2190.             fDescriptor->process(fHandle,

  2191.                                  const_cast<const float**>(fAudioAndCvInBuffers), fAudioAndCvOutBuffers, frames,

  2192.                                  fMidiInEvents, fMidiEventInCount);

  2193.         }

  2194.         else

  2195.         {

  2196.             fDescriptor->process(fHandle,

  2197.                                  (fAudioAndCvInBuffers != nullptr)  ? const_cast<const float**>(&fAudioAndCvInBuffers[0]) : nullptr,

  2198.                                  (fAudioAndCvOutBuffers != nullptr) ? &fAudioAndCvOutBuffers[0] : nullptr,

  2199.                                  frames, fMidiInEvents, fMidiEventInCount);

  2200. 

  2201.             fDescriptor->process(fHandle2,

  2202.                                  (fAudioAndCvInBuffers != nullptr)  ? const_cast<const float**>(&fAudioAndCvInBuffers[1]) : nullptr,

  2203.                                  (fAudioAndCvOutBuffers != nullptr) ? &fAudioAndCvOutBuffers[1] : nullptr,

  2204.                                  frames, fMidiInEvents, fMidiEventInCount);

  2205.         }

  2206. 

  2207.         fIsProcessing = false;

  2208. 

  2209.         if (fTimeInfo.playing)

  2210.             fTimeInfo.frame += frames;

  2211. 

  2212.         uint32_t i=0;

  2213. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  2214.         // --------------------------------------------------------------------------------------------------------

  2215.         // Post-processing (dry/wet, volume and balance)

  2216. 

  2217.         {

  2218.             const bool doDryWet  = (pData->hints & PLUGIN_CAN_DRYWET) != 0 && carla_isNotEqual(pData->postProc.dryWet, 1.0f);

  2219.             const bool doBalance = (pData->hints & PLUGIN_CAN_BALANCE) != 0 && ! (carla_isEqual(pData->postProc.balanceLeft, -1.0f) && carla_isEqual(pData->postProc.balanceRight, 1.0f));

  2220. 

  2221.             bool isPair;

  2222.             float bufValue, oldBufLeft[doBalance ? frames : 1];

  2223. 

  2224.             for (; i < pData->audioOut.count; ++i)

  2225.             {

  2226.                 // Dry/Wet

  2227.                 if (doDryWet)

  2228.                 {

  2229.                     for (uint32_t k=0; k < frames; ++k)

  2230.                     {

  2231.                         bufValue = fAudioAndCvInBuffers[(pData->audioIn.count == 1) ? 0 : i][k];

  2232.                         fAudioAndCvOutBuffers[i][k] = (fAudioAndCvOutBuffers[i][k] * pData->postProc.dryWet) + (bufValue * (1.0f - pData->postProc.dryWet));

  2233.                     }

  2234.                 }

  2235. 

  2236.                 // Balance

  2237.                 if (doBalance)

  2238.                 {

  2239.                     isPair = (i % 2 == 0);

  2240. 

  2241.                     if (isPair)

  2242.                     {

  2243.                         CARLA_ASSERT(i+1 < pData->audioOut.count);

  2244.                         carla_copyFloats(oldBufLeft, fAudioAndCvOutBuffers[i], frames);

  2245.                     }

  2246. 

  2247.                     float balRangeL = (pData->postProc.balanceLeft  + 1.0f)/2.0f;

  2248.                     float balRangeR = (pData->postProc.balanceRight + 1.0f)/2.0f;

  2249. 

  2250.                     for (uint32_t k=0; k < frames; ++k)

  2251.                     {

  2252.                         if (isPair)

  2253.                         {

  2254.                             // left

  2255.                             fAudioAndCvOutBuffers[i][k]  = oldBufLeft[k]            * (1.0f - balRangeL);

  2256.                             fAudioAndCvOutBuffers[i][k] += fAudioAndCvOutBuffers[i+1][k] * (1.0f - balRangeR);

  2257.                         }

  2258.                         else

  2259.                         {

  2260.                             // right

  2261.                             fAudioAndCvOutBuffers[i][k]  = fAudioAndCvOutBuffers[i][k] * balRangeR;

  2262.                             fAudioAndCvOutBuffers[i][k] += oldBufLeft[k]          * balRangeL;

  2263.                         }

  2264.                     }

  2265.                 }

  2266. 

  2267.                 // Volume (and buffer copy)

  2268.                 {

  2269.                     for (uint32_t k=0; k < frames; ++k)

  2270.                         audioOut[i][k+timeOffset] = fAudioAndCvOutBuffers[i][k] * pData->postProc.volume;

  2271.                 }

  2272.             }

  2273. 

  2274.         } // End of Post-processing

  2275. #else

  2276.         for (; i < pData->audioOut.count; ++i)

  2277.         {

  2278.             for (uint32_t k=0; k < frames; ++k)

  2279.                 audioOut[i][k+timeOffset] = fAudioAndCvOutBuffers[i][k];

  2280.         }

  2281. #endif

  2282.         // CV stuff too

  2283.         for (; i < pData->cvOut.count; ++i)

  2284.         {

  2285.             for (uint32_t k=0; k < frames; ++k)

  2286.                 cvOut[i][k+timeOffset] = fAudioAndCvOutBuffers[pData->audioOut.count+i][k];

  2287.         }

  2288. 

  2289.         // --------------------------------------------------------------------------------------------------------

  2290.         // MIDI Output

  2291. 

  2292.         if (pData->event.portOut != nullptr)

  2293.         {

  2294.             for (uint32_t k = 0; k < fMidiEventOutCount; ++k)

  2295.             {

  2296.                 const uint8_t channel = uint8_t(MIDI_GET_CHANNEL_FROM_DATA(fMidiOutEvents[k].data));

  2297.                 const uint8_t port    = fMidiOutEvents[k].port;

  2298. 

  2299.                 if (fMidiOut.count > 1 && port < fMidiOut.count)

  2300.                     fMidiOut.ports[port]->writeMidiEvent(fMidiOutEvents[k].time+timeOffset, channel, fMidiOutEvents[k].size, fMidiOutEvents[k].data);

  2301.                 else

  2302.                     pData->event.portOut->writeMidiEvent(fMidiOutEvents[k].time+timeOffset, channel, fMidiOutEvents[k].size, fMidiOutEvents[k].data);

  2303.             }

  2304.         }

  2305. 

  2306.         // --------------------------------------------------------------------------------------------------------

  2307. 

  2308.         pData->singleMutex.unlock();

  2309.         return true;

  2310.     }

  2311. 

  2312.     void bufferSizeChanged(const uint32_t newBufferSize) override

  2313.     {

  2314.         CARLA_ASSERT_INT(newBufferSize > 0, newBufferSize);

  2315.         carla_debug("CarlaPluginNative::bufferSizeChanged(%i)", newBufferSize);

  2316. 

  2317.         for (uint32_t i=0; i < (pData->audioIn.count+pData->cvIn.count); ++i)

  2318.         {

  2319.             if (fAudioAndCvInBuffers[i] != nullptr)

  2320.                 delete[] fAudioAndCvInBuffers[i];

  2321.             fAudioAndCvInBuffers[i] = new float[newBufferSize];

  2322.         }

  2323. 

  2324.         for (uint32_t i=0; i < (pData->audioOut.count+pData->cvOut.count); ++i)

  2325.         {

  2326.             if (fAudioAndCvOutBuffers[i] != nullptr)

  2327.                 delete[] fAudioAndCvOutBuffers[i];

  2328.             fAudioAndCvOutBuffers[i] = new float[newBufferSize];

  2329.         }

  2330. 

  2331.         if (fCurBufferSize == newBufferSize)

  2332.             return;

  2333. 

  2334.         fCurBufferSize = newBufferSize;

  2335. 

  2336.         if (fDescriptor != nullptr && fDescriptor->dispatcher != nullptr)

  2337.         {

  2338.             fDescriptor->dispatcher(fHandle, NATIVE_PLUGIN_OPCODE_BUFFER_SIZE_CHANGED, 0, static_cast<intptr_t>(newBufferSize), nullptr, 0.0f);

  2339. 

  2340.             if (fHandle2 != nullptr)

  2341.                 fDescriptor->dispatcher(fHandle2, NATIVE_PLUGIN_OPCODE_BUFFER_SIZE_CHANGED, 0, static_cast<intptr_t>(newBufferSize), nullptr, 0.0f);

  2342.         }

  2343.     }

  2344. 

  2345.     void sampleRateChanged(const double newSampleRate) override

  2346.     {

  2347.         CARLA_ASSERT_INT(newSampleRate > 0.0, newSampleRate);

  2348.         carla_debug("CarlaPluginNative::sampleRateChanged(%g)", newSampleRate);

  2349. 

  2350.         if (carla_isEqual(fCurSampleRate, newSampleRate))

  2351.             return;

  2352. 

  2353.         fCurSampleRate = newSampleRate;

  2354. 

  2355.         if (fDescriptor != nullptr && fDescriptor->dispatcher != nullptr)

  2356.         {

  2357.             fDescriptor->dispatcher(fHandle, NATIVE_PLUGIN_OPCODE_SAMPLE_RATE_CHANGED, 0, 0, nullptr, float(newSampleRate));

  2358. 

  2359.             if (fHandle2 != nullptr)

  2360.                 fDescriptor->dispatcher(fHandle2, NATIVE_PLUGIN_OPCODE_SAMPLE_RATE_CHANGED, 0, 0, nullptr, float(newSampleRate));

  2361.         }

  2362.     }

  2363. 

  2364.     void offlineModeChanged(const bool isOffline) override

  2365.     {

  2366.         if (fIsOffline == isOffline)

  2367.             return;

  2368. 

  2369.         fIsOffline = isOffline;

  2370. 

  2371.         if (fDescriptor != nullptr && fDescriptor->dispatcher != nullptr)

  2372.         {

  2373.             fDescriptor->dispatcher(fHandle, NATIVE_PLUGIN_OPCODE_OFFLINE_CHANGED, 0, isOffline ? 1 : 0, nullptr, 0.0f);

  2374. 

  2375.             if (fHandle2 != nullptr)

  2376.                 fDescriptor->dispatcher(fHandle2, NATIVE_PLUGIN_OPCODE_OFFLINE_CHANGED, 0, isOffline ? 1 : 0, nullptr, 0.0f);

  2377.         }

  2378.     }

  2379. 

  2380.     // -------------------------------------------------------------------

  2381.     // Plugin buffers

  2382. 

  2383.     void initBuffers() const noexcept override

  2384.     {

  2385.         CarlaPlugin::initBuffers();

  2386. 

  2387.         fMidiIn.initBuffers(pData->event.portIn);

  2388.         fMidiOut.initBuffers();

  2389.     }

  2390. 

  2391.     void clearBuffers() noexcept override

  2392.     {

  2393.         carla_debug("CarlaPluginNative::clearBuffers() - start");

  2394. 

  2395.         if (fAudioAndCvInBuffers != nullptr)

  2396.         {

  2397.             for (uint32_t i=0; i < (pData->audioIn.count+pData->cvIn.count); ++i)

  2398.             {

  2399.                 if (fAudioAndCvInBuffers[i] != nullptr)

  2400.                 {

  2401.                     delete[] fAudioAndCvInBuffers[i];

  2402.                     fAudioAndCvInBuffers[i] = nullptr;

  2403.                 }

  2404.             }

  2405. 

  2406.             delete[] fAudioAndCvInBuffers;

  2407.             fAudioAndCvInBuffers = nullptr;

  2408.         }

  2409. 

  2410.         if (fAudioAndCvOutBuffers != nullptr)

  2411.         {

  2412.             for (uint32_t i=0; i < (pData->audioOut.count+pData->cvOut.count); ++i)

  2413.             {

  2414.                 if (fAudioAndCvOutBuffers[i] != nullptr)

  2415.                 {

  2416.                     delete[] fAudioAndCvOutBuffers[i];

  2417.                     fAudioAndCvOutBuffers[i] = nullptr;

  2418.                 }

  2419.             }

  2420. 

  2421.             delete[] fAudioAndCvOutBuffers;

  2422.             fAudioAndCvOutBuffers = nullptr;

  2423.         }

  2424. 

  2425.         if (fMidiIn.count > 1)

  2426.             pData->event.portIn = nullptr;

  2427. 

  2428.         if (fMidiOut.count > 1)

  2429.             pData->event.portOut = nullptr;

  2430. 

  2431.         fMidiIn.clear();

  2432.         fMidiOut.clear();

  2433. 

  2434.         CarlaPlugin::clearBuffers();

  2435. 

  2436.         carla_debug("CarlaPluginNative::clearBuffers() - end");

  2437.     }

  2438. 

  2439.     // -------------------------------------------------------------------

  2440.     // Post-poned UI Stuff

  2441. 

  2442.     void uiParameterChange(const uint32_t index, const float value) noexcept override

  2443.     {

  2444.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  2445.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  2446.         CARLA_SAFE_ASSERT_RETURN(index < pData->param.count,);

  2447. 

  2448.         if (! fIsUiVisible)

  2449.             return;

  2450. 

  2451.         if (fDescriptor->ui_set_parameter_value != nullptr)

  2452.             fDescriptor->ui_set_parameter_value(fHandle, index, value);

  2453.     }

  2454. 

  2455.     void uiMidiProgramChange(const uint32_t index) noexcept override

  2456.     {

  2457.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  2458.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  2459.         CARLA_SAFE_ASSERT_RETURN(index < pData->midiprog.count,);

  2460. 

  2461.         if (! fIsUiVisible)

  2462.             return;

  2463.         if (index >= pData->midiprog.count)

  2464.             return;

  2465. 

  2466.         if (fDescriptor->ui_set_midi_program != nullptr)

  2467.             fDescriptor->ui_set_midi_program(fHandle, 0, pData->midiprog.data[index].bank, pData->midiprog.data[index].program);

  2468.     }

  2469. 

  2470.     void uiNoteOn(const uint8_t channel, const uint8_t note, const uint8_t velo) noexcept override

  2471.     {

  2472.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  2473.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  2474.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2475.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2476.         CARLA_SAFE_ASSERT_RETURN(velo > 0 && velo < MAX_MIDI_VALUE,);

  2477. 

  2478.         if (! fIsUiVisible)

  2479.             return;

  2480. 

  2481.         // TODO

  2482.     }

  2483. 

  2484.     void uiNoteOff(const uint8_t channel, const uint8_t note) noexcept override

  2485.     {

  2486.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  2487.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  2488.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2489.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2490. 

  2491.         if (! fIsUiVisible)

  2492.             return;

  2493.         if (fDescriptor == nullptr || fHandle == nullptr)

  2494.             return;

  2495. 

  2496.         // TODO

  2497.     }

  2498. 

  2499.     // -------------------------------------------------------------------

  2500. 

  2501.     const NativeInlineDisplayImageSurface* renderInlineDisplay(const uint32_t width, const uint32_t height)

  2502.     {

  2503.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->hints & NATIVE_PLUGIN_HAS_INLINE_DISPLAY, nullptr);

  2504.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->render_inline_display, nullptr);

  2505.         CARLA_SAFE_ASSERT_RETURN(width > 0, nullptr);

  2506.         CARLA_SAFE_ASSERT_RETURN(height > 0, nullptr);

  2507. 

  2508.         return fDescriptor->render_inline_display(fHandle, width, height);

  2509.     }

  2510. 

  2511.     // -------------------------------------------------------------------

  2512. 

  2513. protected:

  2514.     const NativeTimeInfo* handleGetTimeInfo() const noexcept

  2515.     {

  2516.         CARLA_SAFE_ASSERT_RETURN(fIsProcessing, nullptr);

  2517. 

  2518.         return &fTimeInfo;

  2519.     }

  2520. 

  2521.     bool handleWriteMidiEvent(const NativeMidiEvent* const event)

  2522.     {

  2523.         CARLA_SAFE_ASSERT_RETURN(pData->enabled, false);

  2524.         CARLA_SAFE_ASSERT_RETURN(fIsProcessing, false);

  2525.         CARLA_SAFE_ASSERT_RETURN(fMidiOut.count > 0 || pData->event.portOut != nullptr, false);

  2526.         CARLA_SAFE_ASSERT_RETURN(event != nullptr, false);

  2527.         CARLA_SAFE_ASSERT_RETURN(event->data[0] != 0, false);

  2528. 

  2529.         if (fMidiEventOutCount == kPluginMaxMidiEvents)

  2530.         {

  2531.             carla_stdout("CarlaPluginNative::handleWriteMidiEvent(%p) - buffer full", event);

  2532.             return false;

  2533.         }

  2534. 

  2535.         std::memcpy(&fMidiOutEvents[fMidiEventOutCount++], event, sizeof(NativeMidiEvent));

  2536.         return true;

  2537.     }

  2538. 

  2539.     void handleUiParameterChanged(const uint32_t index, const float value)

  2540.     {

  2541.         setParameterValue(index, value, false, true, true);

  2542.     }

  2543. 

  2544.     void handleUiCustomDataChanged(const char* const key, const char* const value)

  2545.     {

  2546.         setCustomData(CUSTOM_DATA_TYPE_STRING, key, value, false);

  2547.     }

  2548. 

  2549.     void handleUiClosed()

  2550.     {

  2551.         pData->engine->callback(true, true, ENGINE_CALLBACK_UI_STATE_CHANGED, pData->id, 0, 0, 0, 0.0f, nullptr);

  2552.         fIsUiVisible = false;

  2553.     }

  2554. 

  2555.     const char* handleUiOpenFile(const bool isDir, const char* const title, const char* const filter)

  2556.     {

  2557.         return pData->engine->runFileCallback(FILE_CALLBACK_OPEN, isDir, title, filter);

  2558.     }

  2559. 

  2560.     const char* handleUiSaveFile(const bool isDir, const char* const title, const char* const filter)

  2561.     {

  2562.         return pData->engine->runFileCallback(FILE_CALLBACK_SAVE, isDir, title, filter);

  2563.     }

  2564. 

  2565.     intptr_t handleDispatcher(const NativeHostDispatcherOpcode opcode,

  2566.                               const int32_t index, const intptr_t value, void* const ptr, const float opt)

  2567.     {

  2568.         carla_debug("CarlaPluginNative::handleDispatcher(%i, %i, " P_INTPTR ", %p, %f)",

  2569.                     opcode, index, value, ptr, static_cast<double>(opt));

  2570. 

  2571.         intptr_t ret = 0;

  2572. 

  2573.         switch (opcode)

  2574.         {

  2575.         case NATIVE_HOST_OPCODE_NULL:

  2576.             break;

  2577.         case NATIVE_HOST_OPCODE_UPDATE_PARAMETER:

  2578.             // TODO

  2579.             pData->engine->callback(true, true, ENGINE_CALLBACK_UPDATE, pData->id, -1, 0, 0, 0.0f, nullptr);

  2580.             break;

  2581.         case NATIVE_HOST_OPCODE_UPDATE_MIDI_PROGRAM:

  2582.             // TODO

  2583.             pData->engine->callback(true, true, ENGINE_CALLBACK_UPDATE, pData->id, -1, 0, 0, 0.0f, nullptr);

  2584.             break;

  2585.         case NATIVE_HOST_OPCODE_RELOAD_PARAMETERS:

  2586.             reload(); // FIXME

  2587.             pData->engine->callback(true, true, ENGINE_CALLBACK_RELOAD_PARAMETERS, pData->id, -1, 0, 0, 0.0f, nullptr);

  2588.             break;

  2589.         case NATIVE_HOST_OPCODE_RELOAD_MIDI_PROGRAMS:

  2590.             reloadPrograms(false);

  2591.             pData->engine->callback(true, true, ENGINE_CALLBACK_RELOAD_PROGRAMS, pData->id, -1, 0, 0, 0.0f, nullptr);

  2592.             break;

  2593.         case NATIVE_HOST_OPCODE_RELOAD_ALL:

  2594.             reload();

  2595.             pData->engine->callback(true, true, ENGINE_CALLBACK_RELOAD_ALL, pData->id, -1, 0, 0, 0.0f, nullptr);

  2596.             break;

  2597.         case NATIVE_HOST_OPCODE_UI_UNAVAILABLE:

  2598.             pData->engine->callback(true, true, ENGINE_CALLBACK_UI_STATE_CHANGED, pData->id, -1, 0, 0, 0.0f, nullptr);

  2599.             fIsUiAvailable = false;

  2600.             break;

  2601.         case NATIVE_HOST_OPCODE_HOST_IDLE:

  2602.             pData->engine->callback(true, false, ENGINE_CALLBACK_IDLE, 0, 0, 0, 0, 0.0f, nullptr);

  2603.             break;

  2604.         case NATIVE_HOST_OPCODE_INTERNAL_PLUGIN:

  2605.             ret = 1;

  2606.             break;

  2607.         case NATIVE_HOST_OPCODE_QUEUE_INLINE_DISPLAY:

  2608.             fInlineDisplayNeedsRedraw = true;

  2609.             break;

  2610.         case NATIVE_HOST_OPCODE_UI_TOUCH_PARAMETER:

  2611.             CARLA_SAFE_ASSERT_RETURN(index >= 0, 0);

  2612.             pData->engine->touchPluginParameter(pData->id, static_cast<uint32_t>(index), value != 0);

  2613.             break;

  2614.         case NATIVE_HOST_OPCODE_REQUEST_IDLE:

  2615.             fNeedsIdle = true;

  2616.             break;

  2617.         case NATIVE_HOST_OPCODE_GET_FILE_PATH:

  2618.             CARLA_SAFE_ASSERT_RETURN(ptr != nullptr, 0);

  2619.             {

  2620.                 const EngineOptions& opts(pData->engine->getOptions());

  2621.                 const char* const filetype = (const char*)ptr;

  2622. 

  2623.                 if (std::strcmp(filetype, "audio") == 0)

  2624.                     return static_cast<intptr_t>((uintptr_t)opts.pathAudio);

  2625.                 if (std::strcmp(filetype, "midi") == 0)

  2626.                     return static_cast<intptr_t>((uintptr_t)opts.pathMIDI);

  2627.             }

  2628.             break;

  2629.         }

  2630. 

  2631.         return ret;

  2632. 

  2633.         // unused for now

  2634.         (void)opt;

  2635.     }

  2636. 

  2637.     // -------------------------------------------------------------------

  2638. 

  2639. public:

  2640.     void* getNativeHandle() const noexcept override

  2641.     {

  2642.         return fHandle;

  2643.     }

  2644. 

  2645.     const void* getNativeDescriptor() const noexcept override

  2646.     {

  2647.         return fDescriptor;

  2648.     }

  2649. 

  2650.     // -------------------------------------------------------------------

  2651. 

  2652.     bool init(const char* const name, const char* const label, const uint options)

  2653.     {

  2654.         CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr, false);

  2655. 

  2656.         // ---------------------------------------------------------------

  2657.         // first checks

  2658. 

  2659.         if (pData->client != nullptr)

  2660.         {

  2661.             pData->engine->setLastError("Plugin client is already registered");

  2662.             return false;

  2663.         }

  2664. 

  2665.         if (label == nullptr || label[0] == '\0')

  2666.         {

  2667.             pData->engine->setLastError("null label");

  2668.             return false;

  2669.         }

  2670. 

  2671.         // ---------------------------------------------------------------

  2672.         // get descriptor that matches label

  2673. 

  2674.         sPluginInitializer.initIfNeeded();

  2675. 

  2676.         for (LinkedList<const NativePluginDescriptor*>::Itenerator it = gPluginDescriptors.begin2(); it.valid(); it.next())

  2677.         {

  2678.             fDescriptor = it.getValue(nullptr);

  2679.             CARLA_SAFE_ASSERT_BREAK(fDescriptor != nullptr);

  2680. 

  2681.             carla_debug("Check vs \"%s\"", fDescriptor->label);

  2682. 

  2683.             if (fDescriptor->label != nullptr && std::strcmp(fDescriptor->label, label) == 0)

  2684.                 break;

  2685. 

  2686.             fDescriptor = nullptr;

  2687.         }

  2688. 

  2689.         if (fDescriptor == nullptr)

  2690.         {

  2691.             pData->engine->setLastError("Invalid internal plugin");

  2692.             return false;

  2693.         }

  2694. 

  2695.         // ---------------------------------------------------------------

  2696.         // set icon

  2697. 

  2698.         /**/ if (std::strcmp(fDescriptor->label, "audiofile") == 0)

  2699.             pData->iconName = carla_strdup_safe("file");

  2700.         else if (std::strcmp(fDescriptor->label, "midifile") == 0)

  2701.             pData->iconName = carla_strdup_safe("file");

  2702. 

  2703.         else if (std::strcmp(fDescriptor->label, "3bandeq") == 0)

  2704.             pData->iconName = carla_strdup_safe("distrho");

  2705.         else if (std::strcmp(fDescriptor->label, "3bandsplitter") == 0)

  2706.             pData->iconName = carla_strdup_safe("distrho");

  2707.         else if (std::strcmp(fDescriptor->label, "kars") == 0)

  2708.             pData->iconName = carla_strdup_safe("distrho");

  2709.         else if (std::strcmp(fDescriptor->label, "nekobi") == 0)

  2710.             pData->iconName = carla_strdup_safe("distrho");

  2711.         else if (std::strcmp(fDescriptor->label, "pingpongpan") == 0)

  2712.             pData->iconName = carla_strdup_safe("distrho");

  2713. 

  2714.         // ---------------------------------------------------------------

  2715.         // set info

  2716. 

  2717.         if (name != nullptr && name[0] != '\0')

  2718.             pData->name = pData->engine->getUniquePluginName(name);

  2719.         else if (fDescriptor->name != nullptr && fDescriptor->name[0] != '\0')

  2720.             pData->name = pData->engine->getUniquePluginName(fDescriptor->name);

  2721.         else

  2722.             pData->name = pData->engine->getUniquePluginName(label);

  2723. 

  2724.         {

  2725.             CARLA_ASSERT(fHost.uiName == nullptr);

  2726. 

  2727.             char uiName[std::strlen(pData->name)+6+1];

  2728.             std::strcpy(uiName, pData->name);

  2729.             std::strcat(uiName, " (GUI)");

  2730. 

  2731.             fHost.uiName = carla_strdup(uiName);

  2732.         }

  2733. 

  2734.         // ---------------------------------------------------------------

  2735.         // register client

  2736. 

  2737.         pData->client = pData->engine->addClient(this);

  2738. 

  2739.         if (pData->client == nullptr || ! pData->client->isOk())

  2740.         {

  2741.             pData->engine->setLastError("Failed to register plugin client");

  2742.             return false;

  2743.         }

  2744. 

  2745.         // ---------------------------------------------------------------

  2746.         // initialize plugin

  2747. 

  2748.         fHandle = fDescriptor->instantiate(&fHost);

  2749. 

  2750.         if (fHandle == nullptr)

  2751.         {

  2752.             pData->engine->setLastError("Plugin failed to initialize");

  2753.             return false;

  2754.         }

  2755. 

  2756.         // ---------------------------------------------------------------

  2757.         // set default options

  2758. 

  2759.         bool hasMidiProgs = false;

  2760. 

  2761.         if (fDescriptor->get_midi_program_count != nullptr)

  2762.         {

  2763.             try {

  2764.                 hasMidiProgs = fDescriptor->get_midi_program_count(fHandle) > 0;

  2765.             } catch (...) {}

  2766.         }

  2767. 

  2768.         pData->options = 0x0;

  2769. 

  2770.         if (fDescriptor->hints & NATIVE_PLUGIN_NEEDS_FIXED_BUFFERS)

  2771.             pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;

  2772.          else if (options & PLUGIN_OPTION_FIXED_BUFFERS)

  2773.             pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;

  2774. 

  2775.         if (pData->engine->getOptions().forceStereo)

  2776.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  2777.         else if (options & PLUGIN_OPTION_FORCE_STEREO)

  2778.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  2779. 

  2780.         if (fDescriptor->supports & NATIVE_PLUGIN_SUPPORTS_CHANNEL_PRESSURE)

  2781.             pData->options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  2782.         if (fDescriptor->supports & NATIVE_PLUGIN_SUPPORTS_NOTE_AFTERTOUCH)

  2783.             pData->options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  2784.         if (fDescriptor->supports & NATIVE_PLUGIN_SUPPORTS_PITCHBEND)

  2785.             pData->options |= PLUGIN_OPTION_SEND_PITCHBEND;

  2786.         if (fDescriptor->supports & NATIVE_PLUGIN_SUPPORTS_ALL_SOUND_OFF)

  2787.             pData->options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  2788. 

  2789.         if (fDescriptor->supports & NATIVE_PLUGIN_SUPPORTS_CONTROL_CHANGES)

  2790.         {

  2791.             if (options & PLUGIN_OPTION_SEND_CONTROL_CHANGES)

  2792.                 pData->options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  2793.         }

  2794. 

  2795.         if (fDescriptor->supports & NATIVE_PLUGIN_SUPPORTS_PROGRAM_CHANGES)

  2796.         {

  2797.             CARLA_SAFE_ASSERT(! hasMidiProgs);

  2798.             pData->options |= PLUGIN_OPTION_SEND_PROGRAM_CHANGES;

  2799.         }

  2800.         else if (hasMidiProgs)

  2801.             pData->options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  2802. 

  2803.         return true;

  2804.     }

  2805. 

  2806. 

  2807. private:

  2808.     NativePluginHandle   fHandle;

  2809.     NativePluginHandle   fHandle2;

  2810.     NativeHostDescriptor fHost;

  2811.     const NativePluginDescriptor* fDescriptor;

  2812. 

  2813.     bool fIsProcessing;

  2814.     bool fIsOffline;

  2815.     bool fIsUiAvailable;

  2816.     bool fIsUiVisible;

  2817.     volatile bool fNeedsIdle;

  2818. 

  2819.     bool fInlineDisplayNeedsRedraw;

  2820.     int64_t fInlineDisplayLastRedrawTime;

  2821. 

  2822.     float**         fAudioAndCvInBuffers;

  2823.     float**         fAudioAndCvOutBuffers;

  2824.     uint32_t        fMidiEventInCount;

  2825.     uint32_t        fMidiEventOutCount;

  2826.     NativeMidiEvent fMidiInEvents[kPluginMaxMidiEvents];

  2827.     NativeMidiEvent fMidiOutEvents[kPluginMaxMidiEvents];

  2828. 

  2829.     int32_t  fCurMidiProgs[MAX_MIDI_CHANNELS];

  2830.     uint32_t fCurBufferSize;

  2831.     double   fCurSampleRate;

  2832. 

  2833.     NativePluginMidiInData  fMidiIn;

  2834.     NativePluginMidiOutData fMidiOut;

  2835. 

  2836.     NativeTimeInfo fTimeInfo;

  2837. 

  2838.     // -------------------------------------------------------------------

  2839. 

  2840.     #define handlePtr ((CarlaPluginNative*)handle)

  2841. 

  2842.     static uint32_t carla_host_get_buffer_size(NativeHostHandle handle) noexcept

  2843.     {

  2844.         return handlePtr->fCurBufferSize;

  2845.     }

  2846. 

  2847.     static double carla_host_get_sample_rate(NativeHostHandle handle) noexcept

  2848.     {

  2849.         return handlePtr->fCurSampleRate;

  2850.     }

  2851. 

  2852.     static bool carla_host_is_offline(NativeHostHandle handle) noexcept

  2853.     {

  2854.         return handlePtr->fIsOffline;

  2855.     }

  2856. 

  2857.     static const NativeTimeInfo* carla_host_get_time_info(NativeHostHandle handle) noexcept

  2858.     {

  2859.         return handlePtr->handleGetTimeInfo();

  2860.     }

  2861. 

  2862.     static bool carla_host_write_midi_event(NativeHostHandle handle, const NativeMidiEvent* event)

  2863.     {

  2864.         return handlePtr->handleWriteMidiEvent(event);

  2865.     }

  2866. 

  2867.     static void carla_host_ui_parameter_changed(NativeHostHandle handle, uint32_t index, float value)

  2868.     {

  2869.         handlePtr->handleUiParameterChanged(index, value);

  2870.     }

  2871. 

  2872.     static void carla_host_ui_custom_data_changed(NativeHostHandle handle, const char* key, const char* value)

  2873.     {

  2874.         handlePtr->handleUiCustomDataChanged(key, value);

  2875.     }

  2876. 

  2877.     static void carla_host_ui_closed(NativeHostHandle handle)

  2878.     {

  2879.         handlePtr->handleUiClosed();

  2880.     }

  2881. 

  2882.     static const char* carla_host_ui_open_file(NativeHostHandle handle, bool isDir, const char* title, const char* filter)

  2883.     {

  2884.         return handlePtr->handleUiOpenFile(isDir, title, filter);

  2885.     }

  2886. 

  2887.     static const char* carla_host_ui_save_file(NativeHostHandle handle, bool isDir, const char* title, const char* filter)

  2888.     {

  2889.         return handlePtr->handleUiSaveFile(isDir, title, filter);

  2890.     }

  2891. 

  2892.     static intptr_t carla_host_dispatcher(NativeHostHandle handle, NativeHostDispatcherOpcode opcode, int32_t index, intptr_t value, void* ptr, float opt)

  2893.     {

  2894.         return handlePtr->handleDispatcher(opcode, index, value, ptr, opt);

  2895.     }

  2896. 

  2897.     #undef handlePtr

  2898. 

  2899.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaPluginNative)

  2900. };

  2901. 

  2902. // -----------------------------------------------------------------------

  2903. 

  2904. CarlaPlugin* CarlaPlugin::newNative(const Initializer& init)

  2905. {

  2906.     carla_debug("CarlaPlugin::newNative({%p, \"%s\", \"%s\", \"%s\", " P_INT64 "})", init.engine, init.filename, init.name, init.label, init.uniqueId);

  2907. 

  2908.     CarlaPluginNative* const plugin(new CarlaPluginNative(init.engine, init.id));

  2909. 

  2910.     if (! plugin->init(init.name, init.label, init.options))

  2911.     {

  2912.         delete plugin;

  2913.         return nullptr;

  2914.     }

  2915. 

  2916.     return plugin;

  2917. }

  2918. 

  2919. // used in CarlaStandalone.cpp

  2920. const void* carla_render_inline_display_internal(CarlaPlugin* plugin, uint32_t width, uint32_t height);

  2921. 

  2922. const void* carla_render_inline_display_internal(CarlaPlugin* plugin, uint32_t  width, uint32_t height)

  2923. {

  2924.     CarlaPluginNative* const nativePlugin = (CarlaPluginNative*)plugin;

  2925. 

  2926.     return nativePlugin->renderInlineDisplay(width, height);

  2927. }

  2928. 

  2929. // -----------------------------------------------------------------------

  2930. 

  2931. CARLA_BACKEND_END_NAMESPACE