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

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  1. /*

  2.  * Carla Native Plugin

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

  4.  *

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

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

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

  8.  * the License, or any later version.

  9.  *

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

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

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

  13.  * GNU General Public License for more details.

  14.  *

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

  16.  */

  17. 

  18. #include "CarlaPluginInternal.hpp"

  19. #include "CarlaEngine.hpp"

  20. 

  21. #include "CarlaMathUtils.hpp"

  22. #include "CarlaNative.h"

  23. 

  24. #include "juce_core.h"

  25. 

  26. using juce::jmax;

  27. using juce::String;

  28. using juce::StringArray;

  29. 

  30. CARLA_EXTERN_C

  31. std::size_t carla_getNativePluginCount() noexcept;

  32. 

  33. CARLA_EXTERN_C

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

  35. 

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

  37. 

  38. static LinkedList<const NativePluginDescriptor*> gPluginDescriptors;

  39. 

  40. void carla_register_native_plugin(const NativePluginDescriptor* desc)

  41. {

  42.     gPluginDescriptors.append(desc);

  43. }

  44. 

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

  46. 

  47. static

  48. class NativePluginInitializer

  49. {

  50. public:

  51.     NativePluginInitializer() noexcept

  52.         : fNeedsInit(true) {}

  53. 

  54.     ~NativePluginInitializer() noexcept

  55.     {

  56.         gPluginDescriptors.clear();

  57.     }

  58. 

  59.     void initIfNeeded() noexcept

  60.     {

  61.         if (! fNeedsInit)

  62.             return;

  63. 

  64.         fNeedsInit = false;

  65. 

  66.         try {

  67.             carla_register_all_native_plugins();

  68.         } CARLA_SAFE_EXCEPTION("carla_register_all_native_plugins")

  69.     }

  70. 

  71. private:

  72.     bool fNeedsInit;

  73. 

  74. } sPluginInitializer;

  75. 

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

  77. 

  78. std::size_t carla_getNativePluginCount() noexcept

  79. {

  80.     sPluginInitializer.initIfNeeded();

  81.     return gPluginDescriptors.count();

  82. }

  83. 

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

  85. {

  86.     sPluginInitializer.initIfNeeded();

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

  88. }

  89. 

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

  91. 

  92. CARLA_BACKEND_START_NAMESPACE

  93. 

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

  95. 

  96. struct NativePluginMidiData {

  97.     uint32_t  count;

  98.     uint32_t* indexes;

  99.     CarlaEngineEventPort** ports;

  100. 

  101.     NativePluginMidiData() noexcept

  102.         : count(0),

  103.           indexes(nullptr),

  104.           ports(nullptr) {}

  105. 

  106.     ~NativePluginMidiData() noexcept

  107.     {

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

  109.         CARLA_SAFE_ASSERT(indexes == nullptr);

  110.         CARLA_SAFE_ASSERT(ports == nullptr);

  111.     }

  112. 

  113.     void createNew(const uint32_t newCount)

  114.     {

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

  116.         CARLA_SAFE_ASSERT_RETURN(indexes == nullptr,);

  117.         CARLA_SAFE_ASSERT_RETURN(ports == nullptr,);

  118.         CARLA_SAFE_ASSERT_RETURN(newCount > 0,);

  119. 

  120.         indexes = new uint32_t[newCount];

  121.         ports   = new CarlaEngineEventPort*[newCount];

  122.         count   = newCount;

  123. 

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

  125.             indexes[i] = 0;

  126. 

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

  128.             ports[i] = nullptr;

  129.     }

  130. 

  131.     void clear() noexcept

  132.     {

  133.         if (ports != nullptr)

  134.         {

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

  136.             {

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

  138.                 {

  139.                     delete ports[i];

  140.                     ports[i] = nullptr;

  141.                 }

  142.             }

  143. 

  144.             delete[] ports;

  145.             ports = nullptr;

  146.         }

  147. 

  148.         if (indexes != nullptr)

  149.         {

  150.             delete[] indexes;

  151.             indexes = nullptr;

  152.         }

  153. 

  154.         count = 0;

  155.     }

  156. 

  157.     void initBuffers() const noexcept

  158.     {

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

  160.         {

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

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

  163.         }

  164.     }

  165. 

  166.     CARLA_DECLARE_NON_COPY_STRUCT(NativePluginMidiData)

  167. };

  168. 

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

  170. 

  171. class CarlaPluginNative : public CarlaPlugin

  172. {

  173. public:

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

  175.         : CarlaPlugin(engine, id),

  176.           fHandle(nullptr),

  177.           fHandle2(nullptr),

  178.           fHost(),

  179.           fDescriptor(nullptr),

  180.           fIsProcessing(false),

  181.           fIsUiVisible(false),

  182.           fAudioInBuffers(nullptr),

  183.           fAudioOutBuffers(nullptr),

  184.           fMidiEventCount(0),

  185.           fMidiIn(),

  186.           fMidiOut(),

  187.           fTimeInfo(),

  188.           leakDetector_CarlaPluginNative()

  189.     {

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

  191. 

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

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

  194.         carla_zeroStruct<NativeTimeInfo>(fTimeInfo);

  195. 

  196.         fHost.handle      = this;

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

  198.         fHost.uiName      = nullptr;

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

  200. 

  201.         fHost.get_buffer_size        = carla_host_get_buffer_size;

  202.         fHost.get_sample_rate        = carla_host_get_sample_rate;

  203.         fHost.is_offline             = carla_host_is_offline;

  204.         fHost.get_time_info          = carla_host_get_time_info;

  205.         fHost.write_midi_event       = carla_host_write_midi_event;

  206.         fHost.ui_parameter_changed   = carla_host_ui_parameter_changed;

  207.         fHost.ui_custom_data_changed = carla_host_ui_custom_data_changed;

  208.         fHost.ui_closed              = carla_host_ui_closed;

  209.         fHost.ui_open_file           = carla_host_ui_open_file;

  210.         fHost.ui_save_file           = carla_host_ui_save_file;

  211.         fHost.dispatcher             = carla_host_dispatcher;

  212.     }

  213. 

  214.     ~CarlaPluginNative() override

  215.     {

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

  217. 

  218.         // close UI

  219.         if (pData->hints & PLUGIN_HAS_CUSTOM_UI)

  220.         {

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

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

  223. 

  224.             pData->transientTryCounter = 0;

  225.         }

  226. 

  227.         pData->singleMutex.lock();

  228.         pData->masterMutex.lock();

  229. 

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

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

  232. 

  233.         CARLA_ASSERT(! fIsProcessing);

  234. 

  235.         if (pData->active)

  236.         {

  237.             deactivate();

  238.             pData->active = false;

  239.         }

  240. 

  241.         if (fDescriptor != nullptr)

  242.         {

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

  244.             {

  245.                 if (fHandle != nullptr)

  246.                     fDescriptor->cleanup(fHandle);

  247.                 if (fHandle2 != nullptr)

  248.                     fDescriptor->cleanup(fHandle2);

  249.             }

  250. 

  251.             fHandle  = nullptr;

  252.             fHandle2 = nullptr;

  253.             fDescriptor = nullptr;

  254.         }

  255. 

  256.         if (fHost.resourceDir != nullptr)

  257.         {

  258.             delete[] fHost.resourceDir;

  259.             fHost.resourceDir = nullptr;

  260.         }

  261. 

  262.         if (fHost.uiName != nullptr)

  263.         {

  264.             delete[] fHost.uiName;

  265.             fHost.uiName = nullptr;

  266.         }

  267. 

  268.         clearBuffers();

  269.     }

  270. 

  271.     // -------------------------------------------------------------------

  272.     // Information (base)

  273. 

  274.     PluginType getType() const noexcept override

  275.     {

  276.         return PLUGIN_INTERNAL;

  277.     }

  278. 

  279.     PluginCategory getCategory() const noexcept override

  280.     {

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

  282. 

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

  284.     }

  285. 

  286.     // -------------------------------------------------------------------

  287.     // Information (count)

  288. 

  289.     uint32_t getMidiInCount() const noexcept override

  290.     {

  291.         return fMidiIn.count;

  292.     }

  293. 

  294.     uint32_t getMidiOutCount() const noexcept override

  295.     {

  296.         return fMidiOut.count;

  297.     }

  298. 

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

  300.     {

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

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

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

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

  305. 

  306.         // FIXME - try

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

  308.             return param->scalePointCount;

  309. 

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

  311.         return 0;

  312.     }

  313. 

  314.     // -------------------------------------------------------------------

  315.     // Information (current data)

  316. 

  317.     // nothing

  318. 

  319.     // -------------------------------------------------------------------

  320.     // Information (per-plugin data)

  321. 

  322.     uint getOptionsAvailable() const noexcept override

  323.     {

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

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

  326. 

  327.         // FIXME - try

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

  329. 

  330.         uint options = 0x0;

  331. 

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

  333.             options |= PLUGIN_OPTION_FIXED_BUFFERS;

  334. 

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

  336.         {

  337.             if (pData->options & PLUGIN_OPTION_FORCE_STEREO)

  338.                 options |= PLUGIN_OPTION_FORCE_STEREO;

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

  340.                 options |= PLUGIN_OPTION_FORCE_STEREO;

  341.         }

  342. 

  343.         if (fDescriptor->supports & NATIVE_PLUGIN_SUPPORTS_CONTROL_CHANGES)

  344.             options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  345.         if (fDescriptor->supports & NATIVE_PLUGIN_SUPPORTS_CHANNEL_PRESSURE)

  346.             options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  347.         if (fDescriptor->supports & NATIVE_PLUGIN_SUPPORTS_NOTE_AFTERTOUCH)

  348.             options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  349.         if (fDescriptor->supports & NATIVE_PLUGIN_SUPPORTS_PITCHBEND)

  350.             options |= PLUGIN_OPTION_SEND_PITCHBEND;

  351.         if (fDescriptor->supports & NATIVE_PLUGIN_SUPPORTS_ALL_SOUND_OFF)

  352.             options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  353. 

  354.         if (fDescriptor->supports & NATIVE_PLUGIN_SUPPORTS_PROGRAM_CHANGES)

  355.             options |= PLUGIN_OPTION_SEND_PROGRAM_CHANGES;

  356.         else if (hasMidiProgs)

  357.             options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  358. 

  359.         return options;

  360.     }

  361. 

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

  363.     {

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

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

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

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

  368. 

  369.         // FIXME - try

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

  371.     }

  372. 

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

  374.     {

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

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

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

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

  379. 

  380.         // FIXME - try

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

  382.         {

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

  384. 

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

  386.             return scalePoint->value;

  387.         }

  388. 

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

  390.         return 0.0f;

  391.     }

  392. 

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

  394.     {

  395.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  396. 

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

  398.         {

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

  400.             return;

  401.         }

  402. 

  403.         CarlaPlugin::getLabel(strBuf);

  404.     }

  405. 

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

  407.     {

  408.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  409. 

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

  411.         {

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

  413.             return;

  414.         }

  415. 

  416.         CarlaPlugin::getMaker(strBuf);

  417.     }

  418. 

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

  420.     {

  421.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  422. 

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

  424.         {

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

  426.             return;

  427.         }

  428. 

  429.         CarlaPlugin::getCopyright(strBuf);

  430.     }

  431. 

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

  433.     {

  434.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  435. 

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

  437.         {

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

  439.             return;

  440.         }

  441. 

  442.         CarlaPlugin::getRealName(strBuf);

  443.     }

  444. 

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

  446.     {

  447.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

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

  449.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  451. 

  452.         // FIXME - try

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

  454.         {

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

  456.             {

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

  458.                 return;

  459.             }

  460. 

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

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

  463.         }

  464. 

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

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

  467.     }

  468. 

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

  470.     {

  471.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

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

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

  474.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  476. 

  477.         // FIXME - try

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

  479.         {

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

  481.             return;

  482.         }

  483. 

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

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

  486.     }

  487. 

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

  489.     {

  490.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

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

  492.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  494. 

  495.         // FIXME - try

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

  497.         {

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

  499.             {

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

  501.                 return;

  502.             }

  503. 

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

  505.         }

  506. 

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

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

  509.     }

  510. 

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

  512.     {

  513.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

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

  515.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  517. 

  518.         // FIXME - try

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

  520.         {

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

  522. 

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

  524. 

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

  526.             {

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

  528.                 return;

  529.             }

  530. 

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

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

  533.         }

  534. 

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

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

  537.     }

  538. 

  539.     // -------------------------------------------------------------------

  540.     // Set data (state)

  541. 

  542.     void prepareForSave() override

  543.     {

  544.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  545.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  546. 

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

  548.         {

  549.             char strBuf[STR_MAX+1];

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

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

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

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

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

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

  556. 

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

  558.         }

  559. 

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

  561.             return;

  562. 

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

  564.         {

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

  566.             std::free(data);

  567.         }

  568.     }

  569. 

  570.     // -------------------------------------------------------------------

  571.     // Set data (internal stuff)

  572. 

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

  574.     {

  575.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  576.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  578. 

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

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

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

  582. 

  583.         if (fHost.uiName != nullptr)

  584.             delete[] fHost.uiName;

  585.         fHost.uiName = carla_strdup(uiName);

  586. 

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

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

  589. 

  590.         CarlaPlugin::setName(newName);

  591.     }

  592. 

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

  594.     {

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

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

  597. 

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

  599.     }

  600. 

  601.     // -------------------------------------------------------------------

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

  603. 

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

  605.     {

  606.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

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

  608.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  610. 

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

  612. 

  613.         // FIXME - try

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

  615. 

  616.         if (fHandle2 != nullptr)

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

  618. 

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

  620.     }

  621. 

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

  623.     {

  624.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  625.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

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

  628.         CARLA_SAFE_ASSERT_RETURN(value != nullptr,);

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

  630. 

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

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

  633. 

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

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

  636. 

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

  638.         {

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

  640.             {

  641.                 const ScopedSingleProcessLocker spl(this, true);

  642. 

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

  644. 

  645.                 if (fHandle2 != nullptr)

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

  647.             }

  648.         }

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

  650.         {

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

  652. 

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

  654.             {

  655.                 uint8_t channel = 0;

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

  657.                 {

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

  659. 

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

  661.                     {

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

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

  664. 

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

  666. 

  667.                         if (fHandle2 != nullptr)

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

  669. 

  670.                         fCurMidiProgs[channel] = index;

  671. 

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

  673.                         {

  674.                             pData->midiprog.current = index;

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

  676.                         }

  677.                     }

  678. 

  679.                     ++channel;

  680.                 }

  681.                 CARLA_SAFE_ASSERT(channel == MAX_MIDI_CHANNELS);

  682.             }

  683.         }

  684.         else

  685.         {

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

  687.             {

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

  689. 

  690.                 if (fHandle2 != nullptr)

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

  692.             }

  693. 

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

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

  696.         }

  697. 

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

  699.     }

  700. 

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

  702.     {

  703.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  704.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  706. 

  707.         // TODO, put into check below

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

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

  710. 

  711.         if (index >= 0)

  712.         {

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

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

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

  716. 

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

  718. 

  719.             try {

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

  721.             } catch(...) {}

  722. 

  723.             if (fHandle2 != nullptr)

  724.             {

  725.                 try {

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

  727.                 } catch(...) {}

  728.             }

  729. 

  730.             fCurMidiProgs[channel] = index;

  731.         }

  732. 

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

  734.     }

  735. 

  736.     // -------------------------------------------------------------------

  737.     // Set ui stuff

  738. 

  739.     void showCustomUI(const bool yesNo) override

  740.     {

  741.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  742.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  743. 

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

  745.             return;

  746. 

  747.         const bool oldIsUiVisible(fIsUiVisible);

  748. 

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

  750. 

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

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

  753.             return;

  754. 

  755.         fIsUiVisible = yesNo;

  756. 

  757.         if (! yesNo)

  758.         {

  759.             pData->transientTryCounter = 0;

  760.             return;

  761.         }

  762. 

  763. #ifndef BUILD_BRIDGE

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

  765.             pData->tryTransient();

  766. #endif

  767. 

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

  769.         {

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

  771.             {

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

  773. 

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

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

  776.             }

  777.         }

  778. 

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

  780.         {

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

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

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

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

  785. 

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

  787.         }

  788. 

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

  790.         {

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

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

  793.         }

  794.     }

  795. 

  796.     void uiIdle() override

  797.     {

  798.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  799.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  800. 

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

  802.             fDescriptor->ui_idle(fHandle);

  803. 

  804.         CarlaPlugin::uiIdle();

  805.     }

  806. 

  807.     // -------------------------------------------------------------------

  808.     // Plugin state

  809. 

  810.     void reload() override

  811.     {

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

  813.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  814.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  816. 

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

  818. 

  819.         // Safely disable plugin for reload

  820.         const ScopedDisabler sd(this);

  821. 

  822.         if (pData->active)

  823.             deactivate();

  824. 

  825.         clearBuffers();

  826. 

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

  828. 

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

  830. 

  831.         bool forcedStereoIn, forcedStereoOut;

  832.         forcedStereoIn = forcedStereoOut = false;

  833. 

  834.         bool needsCtrlIn, needsCtrlOut;

  835.         needsCtrlIn = needsCtrlOut = false;

  836. 

  837.         aIns   = fDescriptor->audioIns;

  838.         aOuts  = fDescriptor->audioOuts;

  839.         mIns   = fDescriptor->midiIns;

  840.         mOuts  = fDescriptor->midiOuts;

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

  842. 

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

  844.         {

  845.             if (fHandle2 == nullptr)

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

  847. 

  848.             if (fHandle2 != nullptr)

  849.             {

  850.                 if (aIns == 1)

  851.                 {

  852.                     aIns = 2;

  853.                     forcedStereoIn = true;

  854.                 }

  855. 

  856.                 if (aOuts == 1)

  857.                 {

  858.                     aOuts = 2;

  859.                     forcedStereoOut = true;

  860.                 }

  861.             }

  862.         }

  863. 

  864.         if (aIns > 0)

  865.         {

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

  867.             fAudioInBuffers = new float*[aIns];

  868. 

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

  870.                 fAudioInBuffers[i] = nullptr;

  871.         }

  872. 

  873.         if (aOuts > 0)

  874.         {

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

  876.             fAudioOutBuffers = new float*[aOuts];

  877.             needsCtrlIn = true;

  878. 

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

  880.                 fAudioOutBuffers[i] = nullptr;

  881.         }

  882. 

  883.         if (mIns > 0)

  884.         {

  885.             fMidiIn.createNew(mIns);

  886.             needsCtrlIn = (mIns == 1);

  887.         }

  888. 

  889.         if (mOuts > 0)

  890.         {

  891.             fMidiOut.createNew(mOuts);

  892.             needsCtrlOut = (mOuts == 1);

  893.         }

  894. 

  895.         if (params > 0)

  896.         {

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

  898.         }

  899. 

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

  901.         CarlaString portName;

  902. 

  903.         // Audio Ins

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

  905.         {

  906.             portName.clear();

  907. 

  908.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  909.             {

  910.                 portName  = pData->name;

  911.                 portName += ":";

  912.             }

  913. 

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

  915.             {

  916.                 portName += "input_";

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

  918.             }

  919.             else

  920.                 portName += "input";

  921. 

  922.             portName.truncate(portNameSize);

  923. 

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

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

  926. 

  927.             if (forcedStereoIn)

  928.             {

  929.                 portName += "_2";

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

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

  932.                 break;

  933.             }

  934.         }

  935. 

  936.         // Audio Outs

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

  938.         {

  939.             portName.clear();

  940. 

  941.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  942.             {

  943.                 portName  = pData->name;

  944.                 portName += ":";

  945.             }

  946. 

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

  948.             {

  949.                 portName += "output_";

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

  951.             }

  952.             else

  953.                 portName += "output";

  954. 

  955.             portName.truncate(portNameSize);

  956. 

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

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

  959. 

  960.             if (forcedStereoOut)

  961.             {

  962.                 portName += "_2";

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

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

  965.                 break;

  966.             }

  967.         }

  968. 

  969.         // MIDI Input (only if multiple)

  970.         if (mIns > 1)

  971.         {

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

  973.             {

  974.                 portName.clear();

  975. 

  976.                 if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  977.                 {

  978.                     portName  = pData->name;

  979.                     portName += ":";

  980.                 }

  981. 

  982.                 portName += "midi-in_";

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

  984.                 portName.truncate(portNameSize);

  985. 

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

  987.                 fMidiIn.indexes[j] = j;

  988.             }

  989. 

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

  991.         }

  992. 

  993.         // MIDI Output (only if multiple)

  994.         if (mOuts > 1)

  995.         {

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

  997.             {

  998.                 portName.clear();

  999. 

  1000.                 if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1001.                 {

  1002.                     portName  = pData->name;

  1003.                     portName += ":";

  1004.                 }

  1005. 

  1006.                 portName += "midi-out_";

  1007.                 portName += CarlaString(j+1);

  1008.                 portName.truncate(portNameSize);

  1009. 

  1010.                 fMidiOut.ports[j]   = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, false, j);

  1011.                 fMidiOut.indexes[j] = j;

  1012.             }

  1013. 

  1014.             pData->event.portOut = fMidiOut.ports[0];

  1015.         }

  1016. 

  1017.         for (j=0; j < params; ++j)

  1018.         {

  1019.             const NativeParameter* const paramInfo(fDescriptor->get_parameter_info(fHandle, j));

  1020. 

  1021.             CARLA_SAFE_ASSERT_CONTINUE(paramInfo != nullptr);

  1022. 

  1023.             pData->param.data[j].type   = PARAMETER_UNKNOWN;

  1024.             pData->param.data[j].index  = static_cast<int32_t>(j);

  1025.             pData->param.data[j].rindex = static_cast<int32_t>(j);

  1026. 

  1027.             float min, max, def, step, stepSmall, stepLarge;

  1028. 

  1029.             // min value

  1030.             min = paramInfo->ranges.min;

  1031. 

  1032.             // max value

  1033.             max = paramInfo->ranges.max;

  1034. 

  1035.             if (min > max)

  1036.                 max = min;

  1037.             else if (max < min)

  1038.                 min = max;

  1039. 

  1040.             if (carla_compareFloats(min, max))

  1041.             {

  1042.                 carla_stderr2("WARNING - Broken plugin parameter '%s': max == min", paramInfo->name);

  1043.                 max = min + 0.1f;

  1044.             }

  1045. 

  1046.             // default value

  1047.             def = paramInfo->ranges.def;

  1048. 

  1049.             if (def < min)

  1050.                 def = min;

  1051.             else if (def > max)

  1052.                 def = max;

  1053. 

  1054.             if (paramInfo->hints & NATIVE_PARAMETER_USES_SAMPLE_RATE)

  1055.             {

  1056.                 min *= sampleRate;

  1057.                 max *= sampleRate;

  1058.                 def *= sampleRate;

  1059.                 pData->param.data[j].hints |= PARAMETER_USES_SAMPLERATE;

  1060.             }

  1061. 

  1062.             if (paramInfo->hints & NATIVE_PARAMETER_IS_BOOLEAN)

  1063.             {

  1064.                 step = max - min;

  1065.                 stepSmall = step;

  1066.                 stepLarge = step;

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

  1068.             }

  1069.             else if (paramInfo->hints & NATIVE_PARAMETER_IS_INTEGER)

  1070.             {

  1071.                 step = 1.0f;

  1072.                 stepSmall = 1.0f;

  1073.                 stepLarge = 10.0f;

  1074.                 pData->param.data[j].hints |= PARAMETER_IS_INTEGER;

  1075.             }

  1076.             else

  1077.             {

  1078.                 float range = max - min;

  1079.                 step = range/100.0f;

  1080.                 stepSmall = range/1000.0f;

  1081.                 stepLarge = range/10.0f;

  1082.             }

  1083. 

  1084.             if (paramInfo->hints & NATIVE_PARAMETER_IS_OUTPUT)

  1085.             {

  1086.                 pData->param.data[j].type = PARAMETER_OUTPUT;

  1087.                 needsCtrlOut = true;

  1088.             }

  1089.             else

  1090.             {

  1091.                 pData->param.data[j].type = PARAMETER_INPUT;

  1092.                 needsCtrlIn = true;

  1093.             }

  1094. 

  1095.             // extra parameter hints

  1096.             if (paramInfo->hints & NATIVE_PARAMETER_IS_ENABLED)

  1097.                 pData->param.data[j].hints |= PARAMETER_IS_ENABLED;

  1098. 

  1099.             if (paramInfo->hints & NATIVE_PARAMETER_IS_AUTOMABLE)

  1100.                 pData->param.data[j].hints |= PARAMETER_IS_AUTOMABLE;

  1101. 

  1102.             if (paramInfo->hints & NATIVE_PARAMETER_IS_LOGARITHMIC)

  1103.                 pData->param.data[j].hints |= PARAMETER_IS_LOGARITHMIC;

  1104. 

  1105.             if (paramInfo->hints & NATIVE_PARAMETER_USES_SCALEPOINTS)

  1106.                 pData->param.data[j].hints |= PARAMETER_USES_SCALEPOINTS;

  1107. 

  1108.             if (paramInfo->hints & NATIVE_PARAMETER_USES_CUSTOM_TEXT)

  1109.                 pData->param.data[j].hints |= PARAMETER_USES_CUSTOM_TEXT;

  1110. 

  1111.             pData->param.ranges[j].min = min;

  1112.             pData->param.ranges[j].max = max;

  1113.             pData->param.ranges[j].def = def;

  1114.             pData->param.ranges[j].step = step;

  1115.             pData->param.ranges[j].stepSmall = stepSmall;

  1116.             pData->param.ranges[j].stepLarge = stepLarge;

  1117.         }

  1118. 

  1119.         if (needsCtrlIn && mIns <= 1)

  1120.         {

  1121.             portName.clear();

  1122. 

  1123.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1124.             {

  1125.                 portName  = pData->name;

  1126.                 portName += ":";

  1127.             }

  1128. 

  1129.             portName += "events-in";

  1130.             portName.truncate(portNameSize);

  1131. 

  1132.             pData->event.portIn = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, true, 0);

  1133.         }

  1134. 

  1135.         if (needsCtrlOut && mOuts <= 1)

  1136.         {

  1137.             portName.clear();

  1138. 

  1139.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1140.             {

  1141.                 portName  = pData->name;

  1142.                 portName += ":";

  1143.             }

  1144. 

  1145.             portName += "events-out";

  1146.             portName.truncate(portNameSize);

  1147. 

  1148.             pData->event.portOut = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, false, 0);

  1149.         }

  1150. 

  1151.         if (forcedStereoIn || forcedStereoOut)

  1152.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  1153.         else

  1154.             pData->options &= ~PLUGIN_OPTION_FORCE_STEREO;

  1155. 

  1156.         // plugin hints

  1157.         pData->hints = 0x0;

  1158. 

  1159.         if (aOuts > 0 && (aIns == aOuts || aIns == 1))

  1160.             pData->hints |= PLUGIN_CAN_DRYWET;

  1161. 

  1162.         if (aOuts > 0)

  1163.             pData->hints |= PLUGIN_CAN_VOLUME;

  1164. 

  1165.         if (aOuts >= 2 && aOuts % 2 == 0)

  1166.             pData->hints |= PLUGIN_CAN_BALANCE;

  1167. 

  1168.         // native plugin hints

  1169.         if (fDescriptor->hints & NATIVE_PLUGIN_IS_RTSAFE)

  1170.             pData->hints |= PLUGIN_IS_RTSAFE;

  1171.         if (fDescriptor->hints & NATIVE_PLUGIN_IS_SYNTH)

  1172.             pData->hints |= PLUGIN_IS_SYNTH;

  1173.         if (fDescriptor->hints & NATIVE_PLUGIN_HAS_UI)

  1174.             pData->hints |= PLUGIN_HAS_CUSTOM_UI;

  1175.         if (fDescriptor->hints & NATIVE_PLUGIN_NEEDS_FIXED_BUFFERS)

  1176.             pData->hints |= PLUGIN_NEEDS_FIXED_BUFFERS;

  1177.         if (fDescriptor->hints & NATIVE_PLUGIN_NEEDS_UI_MAIN_THREAD)

  1178.             pData->hints |= PLUGIN_NEEDS_UI_MAIN_THREAD;

  1179.         if (fDescriptor->hints & NATIVE_PLUGIN_USES_MULTI_PROGS)

  1180.             pData->hints |= PLUGIN_USES_MULTI_PROGS;

  1181. 

  1182.         // extra plugin hints

  1183.         pData->extraHints = 0x0;

  1184. 

  1185.         if (aIns <= 2 && aOuts <= 2 && (aIns == aOuts || aIns == 0 || aOuts == 0) && mIns <= 1 && mOuts <= 1)

  1186.             pData->extraHints |= PLUGIN_EXTRA_HINT_CAN_RUN_RACK;

  1187. 

  1188.         bufferSizeChanged(pData->engine->getBufferSize());

  1189.         reloadPrograms(true);

  1190. 

  1191.         if (pData->active)

  1192.             activate();

  1193. 

  1194.         carla_debug("CarlaPluginNative::reload() - end");

  1195.     }

  1196. 

  1197.     void reloadPrograms(const bool doInit) override

  1198.     {

  1199.         carla_debug("CarlaPluginNative::reloadPrograms(%s)", bool2str(doInit));

  1200.         uint32_t i, oldCount  = pData->midiprog.count;

  1201.         const int32_t current = pData->midiprog.current;

  1202. 

  1203.         // Delete old programs

  1204.         pData->midiprog.clear();

  1205. 

  1206.         // Query new programs

  1207.         uint32_t count = 0;

  1208.         if (fDescriptor->get_midi_program_count != nullptr && fDescriptor->get_midi_program_info != nullptr && fDescriptor->set_midi_program != nullptr)

  1209.             count = fDescriptor->get_midi_program_count(fHandle);

  1210. 

  1211.         if (count > 0)

  1212.         {

  1213.             pData->midiprog.createNew(count);

  1214. 

  1215.             // Update data

  1216.             for (i=0; i < count; ++i)

  1217.             {

  1218.                 const NativeMidiProgram* const mpDesc(fDescriptor->get_midi_program_info(fHandle, i));

  1219.                 CARLA_SAFE_ASSERT_CONTINUE(mpDesc != nullptr);

  1220. 

  1221.                 pData->midiprog.data[i].bank    = mpDesc->bank;

  1222.                 pData->midiprog.data[i].program = mpDesc->program;

  1223.                 pData->midiprog.data[i].name    = carla_strdup(mpDesc->name);

  1224.             }

  1225.         }

  1226. 

  1227. #if defined(HAVE_LIBLO) && ! defined(BUILD_BRIDGE)

  1228.         // Update OSC Names

  1229.         if (pData->engine->isOscControlRegistered() && pData->id < pData->engine->getCurrentPluginCount())

  1230.         {

  1231.             pData->engine->oscSend_control_set_midi_program_count(pData->id, count);

  1232. 

  1233.             for (i=0; i < count; ++i)

  1234.                 pData->engine->oscSend_control_set_midi_program_data(pData->id, i, pData->midiprog.data[i].bank, pData->midiprog.data[i].program, pData->midiprog.data[i].name);

  1235.         }

  1236. #endif

  1237. 

  1238.         if (doInit)

  1239.         {

  1240.             if (count > 0)

  1241.                 setMidiProgram(0, false, false, false);

  1242.         }

  1243.         else

  1244.         {

  1245.             // Check if current program is invalid

  1246.             bool programChanged = false;

  1247. 

  1248.             if (count == oldCount+1)

  1249.             {

  1250.                 // one midi program added, probably created by user

  1251.                 pData->midiprog.current = static_cast<int32_t>(oldCount);

  1252.                 programChanged = true;

  1253.             }

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

  1255.             {

  1256.                 // programs exist now, but not before

  1257.                 pData->midiprog.current = 0;

  1258.                 programChanged = true;

  1259.             }

  1260.             else if (current >= 0 && count == 0)

  1261.             {

  1262.                 // programs existed before, but not anymore

  1263.                 pData->midiprog.current = -1;

  1264.                 programChanged = true;

  1265.             }

  1266.             else if (current >= static_cast<int32_t>(count))

  1267.             {

  1268.                 // current midi program > count

  1269.                 pData->midiprog.current = 0;

  1270.                 programChanged = true;

  1271.             }

  1272.             else

  1273.             {

  1274.                 // no change

  1275.                 pData->midiprog.current = current;

  1276.             }

  1277. 

  1278.             if (programChanged)

  1279.                 setMidiProgram(pData->midiprog.current, true, true, true);

  1280. 

  1281.             pData->engine->callback(ENGINE_CALLBACK_RELOAD_PROGRAMS, pData->id, 0, 0, 0.0f, nullptr);

  1282.         }

  1283.     }

  1284. 

  1285.     // -------------------------------------------------------------------

  1286.     // Plugin processing

  1287. 

  1288.     void activate() noexcept override

  1289.     {

  1290.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1291.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  1292. 

  1293.         if (fDescriptor->activate != nullptr)

  1294.         {

  1295.             try {

  1296.                 fDescriptor->activate(fHandle);

  1297.             } catch(...) {}

  1298. 

  1299.             if (fHandle2 != nullptr)

  1300.             {

  1301.                 try {

  1302.                     fDescriptor->activate(fHandle2);

  1303.                 } catch(...) {}

  1304.             }

  1305.         }

  1306.     }

  1307. 

  1308.     void deactivate() noexcept override

  1309.     {

  1310.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1311.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  1312. 

  1313.         if (fDescriptor->deactivate != nullptr)

  1314.         {

  1315.             try {

  1316.                 fDescriptor->deactivate(fHandle);

  1317.             } catch(...) {}

  1318. 

  1319.             if (fHandle2 != nullptr)

  1320.             {

  1321.                 try {

  1322.                     fDescriptor->deactivate(fHandle2);

  1323.                 } catch(...) {}

  1324.             }

  1325.         }

  1326.     }

  1327. 

  1328.     void process(const float** const audioIn, float** const audioOut, const float** const cvIn, float** const cvOut, const uint32_t frames) override

  1329.     {

  1330.         // --------------------------------------------------------------------------------------------------------

  1331.         // Check if active

  1332. 

  1333.         if (! pData->active)

  1334.         {

  1335.             // disable any output sound

  1336.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1337.                 FloatVectorOperations::clear(audioOut[i], static_cast<int>(frames));

  1338.             for (uint32_t i=0; i < pData->cvOut.count; ++i)

  1339.                 FloatVectorOperations::clear(cvOut[i], static_cast<int>(frames));

  1340.             return;

  1341.         }

  1342. 

  1343.         fMidiEventCount = 0;

  1344.         carla_zeroStruct<NativeMidiEvent>(fMidiEvents, kPluginMaxMidiEvents*2);

  1345. 

  1346.         // --------------------------------------------------------------------------------------------------------

  1347.         // Check if needs reset

  1348. 

  1349.         if (pData->needsReset)

  1350.         {

  1351.             if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1352.             {

  1353.                 fMidiEventCount = MAX_MIDI_CHANNELS*2;

  1354. 

  1355.                 for (uint8_t k=0, i=MAX_MIDI_CHANNELS; k < MAX_MIDI_CHANNELS; ++k)

  1356.                 {

  1357.                     fMidiEvents[k].data[0] = uint8_t(MIDI_STATUS_CONTROL_CHANGE | (k & MIDI_CHANNEL_BIT));

  1358.                     fMidiEvents[k].data[1] = MIDI_CONTROL_ALL_NOTES_OFF;

  1359.                     fMidiEvents[k].data[2] = 0;

  1360.                     fMidiEvents[k].size    = 3;

  1361. 

  1362.                     fMidiEvents[k+i].data[0] = uint8_t(MIDI_STATUS_CONTROL_CHANGE | (k & MIDI_CHANNEL_BIT));

  1363.                     fMidiEvents[k+i].data[1] = MIDI_CONTROL_ALL_SOUND_OFF;

  1364.                     fMidiEvents[k+i].data[2] = 0;

  1365.                     fMidiEvents[k+i].size    = 3;

  1366.                 }

  1367.             }

  1368.             else if (pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1369.             {

  1370.                 fMidiEventCount = MAX_MIDI_NOTE;

  1371. 

  1372.                 for (uint8_t k=0; k < MAX_MIDI_NOTE; ++k)

  1373.                 {

  1374.                     fMidiEvents[k].data[0] = uint8_t(MIDI_STATUS_NOTE_OFF | (pData->ctrlChannel & MIDI_CHANNEL_BIT));

  1375.                     fMidiEvents[k].data[1] = k;

  1376.                     fMidiEvents[k].data[2] = 0;

  1377.                     fMidiEvents[k].size    = 3;

  1378.                 }

  1379.             }

  1380. 

  1381.             pData->needsReset = false;

  1382.         }

  1383. 

  1384.         // --------------------------------------------------------------------------------------------------------

  1385.         // Set TimeInfo

  1386. 

  1387.         const EngineTimeInfo& timeInfo(pData->engine->getTimeInfo());

  1388. 

  1389.         fTimeInfo.playing = timeInfo.playing;

  1390.         fTimeInfo.frame   = timeInfo.frame;

  1391.         fTimeInfo.usecs   = timeInfo.usecs;

  1392. 

  1393.         if (timeInfo.valid & EngineTimeInfo::kValidBBT)

  1394.         {

  1395.             fTimeInfo.bbt.valid = true;

  1396. 

  1397.             fTimeInfo.bbt.bar  = timeInfo.bbt.bar;

  1398.             fTimeInfo.bbt.beat = timeInfo.bbt.beat;

  1399.             fTimeInfo.bbt.tick = timeInfo.bbt.tick;

  1400.             fTimeInfo.bbt.barStartTick = timeInfo.bbt.barStartTick;

  1401. 

  1402.             fTimeInfo.bbt.beatsPerBar = timeInfo.bbt.beatsPerBar;

  1403.             fTimeInfo.bbt.beatType    = timeInfo.bbt.beatType;

  1404. 

  1405.             fTimeInfo.bbt.ticksPerBeat   = timeInfo.bbt.ticksPerBeat;

  1406.             fTimeInfo.bbt.beatsPerMinute = timeInfo.bbt.beatsPerMinute;

  1407.         }

  1408.         else

  1409.             fTimeInfo.bbt.valid = false;

  1410. 

  1411.         // --------------------------------------------------------------------------------------------------------

  1412.         // Event Input and Processing

  1413. 

  1414.         if (pData->event.portIn != nullptr)

  1415.         {

  1416.             // ----------------------------------------------------------------------------------------------------

  1417.             // MIDI Input (External)

  1418. 

  1419.             if (pData->extNotes.mutex.tryLock())

  1420.             {

  1421.                 ExternalMidiNote note = { 0, 0, 0 };

  1422. 

  1423.                 for (; fMidiEventCount < kPluginMaxMidiEvents*2 && ! pData->extNotes.data.isEmpty();)

  1424.                 {

  1425.                     note = pData->extNotes.data.getFirst(note, true);

  1426. 

  1427.                     CARLA_SAFE_ASSERT_CONTINUE(note.channel >= 0 && note.channel < MAX_MIDI_CHANNELS);

  1428. 

  1429.                     NativeMidiEvent& nativeEvent(fMidiEvents[fMidiEventCount++]);

  1430. 

  1431.                     nativeEvent.data[0] = uint8_t((note.velo > 0 ? MIDI_STATUS_NOTE_ON : MIDI_STATUS_NOTE_OFF) | (note.channel & MIDI_CHANNEL_BIT));

  1432.                     nativeEvent.data[1] = note.note;

  1433.                     nativeEvent.data[2] = note.velo;

  1434.                     nativeEvent.size    = 3;

  1435.                 }

  1436. 

  1437.                 pData->extNotes.mutex.unlock();

  1438. 

  1439.             } // End of MIDI Input (External)

  1440. 

  1441.             // ----------------------------------------------------------------------------------------------------

  1442.             // Event Input (System)

  1443. 

  1444. #ifndef BUILD_BRIDGE

  1445.             bool allNotesOffSent = false;

  1446. #endif

  1447.             bool sampleAccurate  = (pData->options & PLUGIN_OPTION_FIXED_BUFFERS) == 0;

  1448. 

  1449.             uint32_t startTime  = 0;

  1450.             uint32_t timeOffset = 0;

  1451.             uint32_t nextBankId;

  1452. 

  1453.             if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1454.                 nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1455.             else

  1456.                 nextBankId = 0;

  1457. 

  1458.             for (uint32_t m=0, max=jmax(1U, fMidiIn.count); m < max; ++m)

  1459.             {

  1460.                 CarlaEngineEventPort* const eventPort(m == 0 ? pData->event.portIn : fMidiIn.ports[m]);

  1461. 

  1462.             for (uint32_t i=0, numEvents=eventPort->getEventCount(); i < numEvents; ++i)

  1463.             {

  1464.                 const EngineEvent& event(eventPort->getEvent(i));

  1465. 

  1466.                 if (event.time >= frames)

  1467.                     continue;

  1468. 

  1469.                 CARLA_ASSERT_INT2(event.time >= timeOffset, event.time, timeOffset);

  1470. 

  1471.                 if (event.time > timeOffset && sampleAccurate)

  1472.                 {

  1473.                     if (processSingle(audioIn, audioOut, cvIn, cvOut, event.time - timeOffset, timeOffset))

  1474.                     {

  1475.                         startTime  = 0;

  1476.                         timeOffset = event.time;

  1477. 

  1478.                         if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1479.                             nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1480.                         else

  1481.                             nextBankId = 0;

  1482. 

  1483.                         if (fMidiEventCount > 0)

  1484.                         {

  1485.                             carla_zeroStruct<NativeMidiEvent>(fMidiEvents, fMidiEventCount);

  1486.                             fMidiEventCount = 0;

  1487.                         }

  1488.                     }

  1489.                     else

  1490.                         startTime += timeOffset;

  1491.                 }

  1492. 

  1493.                 // Control change

  1494.                 switch (event.type)

  1495.                 {

  1496.                 case kEngineEventTypeNull:

  1497.                     break;

  1498. 

  1499.                 case kEngineEventTypeControl: {

  1500.                     const EngineControlEvent& ctrlEvent = event.ctrl;

  1501. 

  1502.                     switch (ctrlEvent.type)

  1503.                     {

  1504.                     case kEngineControlEventTypeNull:

  1505.                         break;

  1506. 

  1507.                     case kEngineControlEventTypeParameter: {

  1508. #ifndef BUILD_BRIDGE

  1509.                         // Control backend stuff

  1510.                         if (event.channel == pData->ctrlChannel)

  1511.                         {

  1512.                             float value;

  1513. 

  1514.                             if (MIDI_IS_CONTROL_BREATH_CONTROLLER(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_DRYWET) > 0)

  1515.                             {

  1516.                                 value = ctrlEvent.value;

  1517.                                 setDryWet(value, false, false);

  1518.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_DRYWET, 0, value);

  1519.                             }

  1520. 

  1521.                             if (MIDI_IS_CONTROL_CHANNEL_VOLUME(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_VOLUME) > 0)

  1522.                             {

  1523.                                 value = ctrlEvent.value*127.0f/100.0f;

  1524.                                 setVolume(value, false, false);

  1525.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_VOLUME, 0, value);

  1526.                             }

  1527. 

  1528.                             if (MIDI_IS_CONTROL_BALANCE(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_BALANCE) > 0)

  1529.                             {

  1530.                                 float left, right;

  1531.                                 value = ctrlEvent.value/0.5f - 1.0f;

  1532. 

  1533.                                 if (value < 0.0f)

  1534.                                 {

  1535.                                     left  = -1.0f;

  1536.                                     right = (value*2.0f)+1.0f;

  1537.                                 }

  1538.                                 else if (value > 0.0f)

  1539.                                 {

  1540.                                     left  = (value*2.0f)-1.0f;

  1541.                                     right = 1.0f;

  1542.                                 }

  1543.                                 else

  1544.                                 {

  1545.                                     left  = -1.0f;

  1546.                                     right = 1.0f;

  1547.                                 }

  1548. 

  1549.                                 setBalanceLeft(left, false, false);

  1550.                                 setBalanceRight(right, false, false);

  1551.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_LEFT, 0, left);

  1552.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_RIGHT, 0, right);

  1553.                             }

  1554.                         }

  1555. #endif

  1556.                         // Control plugin parameters

  1557.                         for (uint32_t k=0; k < pData->param.count; ++k)

  1558.                         {

  1559.                             if (pData->param.data[k].midiChannel != event.channel)

  1560.                                 continue;

  1561.                             if (pData->param.data[k].midiCC != ctrlEvent.param)

  1562.                                 continue;

  1563.                             if (pData->param.data[k].type != PARAMETER_INPUT)

  1564.                                 continue;

  1565.                             if ((pData->param.data[k].hints & PARAMETER_IS_AUTOMABLE) == 0)

  1566.                                 continue;

  1567. 

  1568.                             float value;

  1569. 

  1570.                             if (pData->param.data[k].hints & PARAMETER_IS_BOOLEAN)

  1571.                             {

  1572.                                 value = (ctrlEvent.value < 0.5f) ? pData->param.ranges[k].min : pData->param.ranges[k].max;

  1573.                             }

  1574.                             else

  1575.                             {

  1576.                                 value = pData->param.ranges[k].getUnnormalizedValue(ctrlEvent.value);

  1577. 

  1578.                                 if (pData->param.data[k].hints & PARAMETER_IS_INTEGER)

  1579.                                     value = std::rint(value);

  1580.                             }

  1581. 

  1582.                             setParameterValue(k, value, false, false, false);

  1583.                             pData->postponeRtEvent(kPluginPostRtEventParameterChange, static_cast<int32_t>(k), 0, value);

  1584.                         }

  1585. 

  1586.                         if ((pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0 && ctrlEvent.param < MAX_MIDI_CONTROL)

  1587.                         {

  1588.                             if (fMidiEventCount >= kPluginMaxMidiEvents*2)

  1589.                                 continue;

  1590. 

  1591.                             NativeMidiEvent& nativeEvent(fMidiEvents[fMidiEventCount++]);

  1592.                             carla_zeroStruct(nativeEvent);

  1593. 

  1594.                             nativeEvent.time    = sampleAccurate ? startTime : event.time;

  1595.                             nativeEvent.data[0] = uint8_t(MIDI_STATUS_CONTROL_CHANGE | (event.channel & MIDI_CHANNEL_BIT));

  1596.                             nativeEvent.data[1] = uint8_t(ctrlEvent.param);

  1597.                             nativeEvent.data[2] = uint8_t(ctrlEvent.value*127.0f);

  1598.                             nativeEvent.size    = 3;

  1599.                         }

  1600.                         break;

  1601.                     }

  1602. 

  1603.                     case kEngineControlEventTypeMidiBank:

  1604.                         if (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES)

  1605.                         {

  1606.                             if (event.channel == pData->ctrlChannel)

  1607.                                 nextBankId = ctrlEvent.param;

  1608.                         }

  1609.                         else if (pData->options & PLUGIN_OPTION_SEND_PROGRAM_CHANGES)

  1610.                         {

  1611.                             if (fMidiEventCount >= kPluginMaxMidiEvents*2)

  1612.                                 continue;

  1613. 

  1614.                             NativeMidiEvent& nativeEvent(fMidiEvents[fMidiEventCount++]);

  1615.                             carla_zeroStruct(nativeEvent);

  1616. 

  1617.                             nativeEvent.time    = sampleAccurate ? startTime : event.time;

  1618.                             nativeEvent.data[0] = uint8_t(MIDI_STATUS_CONTROL_CHANGE | (event.channel & MIDI_CHANNEL_BIT));

  1619.                             nativeEvent.data[1] = MIDI_CONTROL_BANK_SELECT;

  1620.                             nativeEvent.data[2] = uint8_t(ctrlEvent.param);

  1621.                             nativeEvent.size    = 3;

  1622.                         }

  1623.                         break;

  1624. 

  1625.                     case kEngineControlEventTypeMidiProgram:

  1626.                         if (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES)

  1627.                         {

  1628.                             if (event.channel < MAX_MIDI_CHANNELS)

  1629.                             {

  1630.                                 const uint32_t nextProgramId(ctrlEvent.param);

  1631. 

  1632.                                 for (uint32_t k=0; k < pData->midiprog.count; ++k)

  1633.                                 {

  1634.                                     if (pData->midiprog.data[k].bank == nextBankId && pData->midiprog.data[k].program == nextProgramId)

  1635.                                     {

  1636.                                         fDescriptor->set_midi_program(fHandle, event.channel, nextBankId, nextProgramId);

  1637. 

  1638.                                         if (fHandle2 != nullptr)

  1639.                                             fDescriptor->set_midi_program(fHandle2, event.channel, nextBankId, nextProgramId);

  1640. 

  1641.                                         fCurMidiProgs[event.channel] = static_cast<int32_t>(k);

  1642. 

  1643.                                         if (event.channel == pData->ctrlChannel)

  1644.                                             pData->postponeRtEvent(kPluginPostRtEventMidiProgramChange, static_cast<int32_t>(k), 0, 0.0f);

  1645. 

  1646.                                         break;

  1647.                                     }

  1648.                                 }

  1649.                             }

  1650.                         }

  1651.                         else if (pData->options & PLUGIN_OPTION_SEND_PROGRAM_CHANGES)

  1652.                         {

  1653.                             if (fMidiEventCount >= kPluginMaxMidiEvents*2)

  1654.                                 continue;

  1655. 

  1656.                             NativeMidiEvent& nativeEvent(fMidiEvents[fMidiEventCount++]);

  1657.                             carla_zeroStruct(nativeEvent);

  1658. 

  1659.                             nativeEvent.time    = sampleAccurate ? startTime : event.time;

  1660.                             nativeEvent.data[0] = uint8_t(MIDI_STATUS_PROGRAM_CHANGE | (event.channel & MIDI_CHANNEL_BIT));

  1661.                             nativeEvent.data[1] = uint8_t(ctrlEvent.param);

  1662.                             nativeEvent.size    = 2;

  1663.                         }

  1664.                         break;

  1665. 

  1666.                     case kEngineControlEventTypeAllSoundOff:

  1667.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1668.                         {

  1669.                             if (fMidiEventCount >= kPluginMaxMidiEvents*2)

  1670.                                 continue;

  1671. 

  1672.                             NativeMidiEvent& nativeEvent(fMidiEvents[fMidiEventCount++]);

  1673.                             carla_zeroStruct(nativeEvent);

  1674. 

  1675.                             nativeEvent.time    = sampleAccurate ? startTime : event.time;

  1676.                             nativeEvent.data[0] = uint8_t(MIDI_STATUS_CONTROL_CHANGE | (event.channel & MIDI_CHANNEL_BIT));

  1677.                             nativeEvent.data[1] = MIDI_CONTROL_ALL_SOUND_OFF;

  1678.                             nativeEvent.data[2] = 0;

  1679.                             nativeEvent.size    = 3;

  1680.                         }

  1681.                         break;

  1682. 

  1683.                     case kEngineControlEventTypeAllNotesOff:

  1684.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1685.                         {

  1686. #ifndef BUILD_BRIDGE

  1687.                             if (event.channel == pData->ctrlChannel && ! allNotesOffSent)

  1688.                             {

  1689.                                 allNotesOffSent = true;

  1690.                                 sendMidiAllNotesOffToCallback();

  1691.                             }

  1692. #endif

  1693. 

  1694.                             if (fMidiEventCount >= kPluginMaxMidiEvents*2)

  1695.                                 continue;

  1696. 

  1697.                             NativeMidiEvent& nativeEvent(fMidiEvents[fMidiEventCount++]);

  1698.                             carla_zeroStruct(nativeEvent);

  1699. 

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

  1701.                             nativeEvent.data[0] = uint8_t(MIDI_STATUS_CONTROL_CHANGE | (event.channel & MIDI_CHANNEL_BIT));

  1702.                             nativeEvent.data[1] = MIDI_CONTROL_ALL_NOTES_OFF;

  1703.                             nativeEvent.data[2] = 0;

  1704.                             nativeEvent.size    = 3;

  1705.                         }

  1706.                         break;

  1707.                     }

  1708.                     break;

  1709.                 }

  1710. 

  1711.                 case kEngineEventTypeMidi: {

  1712.                     if (fMidiEventCount >= kPluginMaxMidiEvents*2)

  1713.                         continue;

  1714. 

  1715.                     const EngineMidiEvent& midiEvent(event.midi);

  1716. 

  1717.                     if (midiEvent.size > 4)

  1718.                         continue;

  1719. #ifdef CARLA_PROPER_CPP11_SUPPORT

  1720.                     static_assert(4 <= EngineMidiEvent::kDataSize, "Incorrect data");

  1721. #endif

  1722. 

  1723.                     uint8_t status = uint8_t(MIDI_GET_STATUS_FROM_DATA(midiEvent.data));

  1724. 

  1725.                     if (status == MIDI_STATUS_CHANNEL_PRESSURE && (pData->options & PLUGIN_OPTION_SEND_CHANNEL_PRESSURE) == 0)

  1726.                         continue;

  1727.                     if (status == MIDI_STATUS_CONTROL_CHANGE && (pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) == 0)

  1728.                         continue;

  1729.                     if (status == MIDI_STATUS_POLYPHONIC_AFTERTOUCH && (pData->options & PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH) == 0)

  1730.                         continue;

  1731.                     if (status == MIDI_STATUS_PITCH_WHEEL_CONTROL && (pData->options & PLUGIN_OPTION_SEND_PITCHBEND) == 0)

  1732.                         continue;

  1733. 

  1734.                     // Fix bad note-off

  1735.                     if (status == MIDI_STATUS_NOTE_ON && midiEvent.data[2] == 0)

  1736.                         status = MIDI_STATUS_NOTE_OFF;

  1737. 

  1738.                     NativeMidiEvent& nativeEvent(fMidiEvents[fMidiEventCount++]);

  1739.                     carla_zeroStruct(nativeEvent);

  1740. 

  1741.                     nativeEvent.port = midiEvent.port;

  1742.                     nativeEvent.time = sampleAccurate ? startTime : event.time;

  1743.                     nativeEvent.size = midiEvent.size;

  1744. 

  1745.                     nativeEvent.data[0] = uint8_t(status | (event.channel & MIDI_CHANNEL_BIT));

  1746.                     nativeEvent.data[1] = midiEvent.size >= 2 ? midiEvent.data[1] : 0;

  1747.                     nativeEvent.data[2] = midiEvent.size >= 3 ? midiEvent.data[2] : 0;

  1748.                     nativeEvent.data[3] = midiEvent.size == 4 ? midiEvent.data[3] : 0;

  1749. 

  1750.                     if (status == MIDI_STATUS_NOTE_ON)

  1751.                         pData->postponeRtEvent(kPluginPostRtEventNoteOn, event.channel, midiEvent.data[1], midiEvent.data[2]);

  1752.                     else if (status == MIDI_STATUS_NOTE_OFF)

  1753.                         pData->postponeRtEvent(kPluginPostRtEventNoteOff, event.channel, midiEvent.data[1], 0.0f);

  1754.                 } break;

  1755.                 } // switch (event.type)

  1756.             }

  1757. 

  1758.             pData->postRtEvents.trySplice();

  1759. 

  1760.             if (frames > timeOffset)

  1761.                 processSingle(audioIn, audioOut, cvIn, cvOut, frames - timeOffset, timeOffset);

  1762. 

  1763.             } // eventPort

  1764. 

  1765.         } // End of Event Input and Processing

  1766. 

  1767.         // --------------------------------------------------------------------------------------------------------

  1768.         // Plugin processing (no events)

  1769. 

  1770.         else

  1771.         {

  1772.             processSingle(audioIn, audioOut, cvIn, cvOut, frames, 0);

  1773. 

  1774.         } // End of Plugin processing (no events)

  1775. 

  1776.         // --------------------------------------------------------------------------------------------------------

  1777.         // Control and MIDI Output

  1778. 

  1779.         if (pData->event.portOut != nullptr)

  1780.         {

  1781. #ifndef BUILD_BRIDGE

  1782.             float value, curValue;

  1783. 

  1784.             for (uint32_t k=0; k < pData->param.count; ++k)

  1785.             {

  1786.                 if (pData->param.data[k].type != PARAMETER_OUTPUT)

  1787.                     continue;

  1788. 

  1789.                 curValue = fDescriptor->get_parameter_value(fHandle, k);

  1790.                 pData->param.ranges[k].fixValue(curValue);

  1791. 

  1792.                 if (pData->param.data[k].midiCC > 0)

  1793.                 {

  1794.                     value = pData->param.ranges[k].getNormalizedValue(curValue);

  1795.                     pData->event.portOut->writeControlEvent(0, pData->param.data[k].midiChannel, kEngineControlEventTypeParameter, static_cast<uint16_t>(pData->param.data[k].midiCC), value);

  1796.                 }

  1797.             }

  1798. #endif

  1799. 

  1800.             // reverse lookup MIDI events

  1801.             for (uint32_t k = (kPluginMaxMidiEvents*2)-1; k >= fMidiEventCount; --k)

  1802.             {

  1803.                 if (fMidiEvents[k].data[0] == 0)

  1804.                     break;

  1805. 

  1806.                 const uint8_t channel = uint8_t(MIDI_GET_CHANNEL_FROM_DATA(fMidiEvents[k].data));

  1807.                 const uint8_t port    = fMidiEvents[k].port;

  1808. 

  1809.                 if (fMidiOut.count > 1 && port < fMidiOut.count)

  1810.                     fMidiOut.ports[port]->writeMidiEvent(fMidiEvents[k].time, channel, fMidiEvents[k].size, fMidiEvents[k].data);

  1811.                 else

  1812.                     pData->event.portOut->writeMidiEvent(fMidiEvents[k].time, channel, fMidiEvents[k].size, fMidiEvents[k].data);

  1813.             }

  1814. 

  1815.         } // End of Control and MIDI Output

  1816.     }

  1817. 

  1818.     bool processSingle(const float** const audioIn, float** const audioOut, const float** const cvIn, float** const cvOut, const uint32_t frames, const uint32_t timeOffset)

  1819.     {

  1820.         CARLA_SAFE_ASSERT_RETURN(frames > 0, false);

  1821. 

  1822.         if (pData->audioIn.count > 0)

  1823.         {

  1824.             CARLA_SAFE_ASSERT_RETURN(audioIn != nullptr, false);

  1825.         }

  1826.         if (pData->audioOut.count > 0)

  1827.         {

  1828.             CARLA_SAFE_ASSERT_RETURN(audioOut != nullptr, false);

  1829.         }

  1830.         if (pData->cvIn.count > 0)

  1831.         {

  1832.             CARLA_SAFE_ASSERT_RETURN(cvIn != nullptr, false);

  1833.         }

  1834.         if (pData->cvOut.count > 0)

  1835.         {

  1836.             CARLA_SAFE_ASSERT_RETURN(cvOut != nullptr, false);

  1837.         }

  1838. 

  1839.         // --------------------------------------------------------------------------------------------------------

  1840.         // Try lock, silence otherwise

  1841. 

  1842.         if (pData->engine->isOffline())

  1843.         {

  1844.             pData->singleMutex.lock();

  1845.         }

  1846.         else if (! pData->singleMutex.tryLock())

  1847.         {

  1848.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1849.             {

  1850.                 for (uint32_t k=0; k < frames; ++k)

  1851.                     audioOut[i][k+timeOffset] = 0.0f;

  1852.             }

  1853.             for (uint32_t i=0; i < pData->cvOut.count; ++i)

  1854.             {

  1855.                 for (uint32_t k=0; k < frames; ++k)

  1856.                     cvOut[i][k+timeOffset] = 0.0f;

  1857.             }

  1858. 

  1859.             return false;

  1860.         }

  1861. 

  1862.         // --------------------------------------------------------------------------------------------------------

  1863.         // Set audio buffers

  1864. 

  1865.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1866.             FloatVectorOperations::copy(fAudioInBuffers[i], audioIn[i]+timeOffset, static_cast<int>(frames));

  1867. 

  1868.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1869.             FloatVectorOperations::clear(fAudioOutBuffers[i], static_cast<int>(frames));

  1870. 

  1871. #if 0

  1872.         // --------------------------------------------------------------------------------------------------------

  1873.         // Set CV buffers

  1874. 

  1875.         for (uint32_t i=0; i < pData->cvIn.count; ++i)

  1876.             FloatVectorOperations::copy(fCvInBuffers[i], cvIn[i]+timeOffset, static_cast<int>(frames));

  1877. 

  1878.         for (uint32_t i=0; i < pData->cvOut.count; ++i)

  1879.             FloatVectorOperations::clear(fCvOutBuffers[i], static_cast<int>(frames));

  1880. #endif

  1881. 

  1882.         // --------------------------------------------------------------------------------------------------------

  1883.         // Run plugin

  1884. 

  1885.         fIsProcessing = true;

  1886. 

  1887.         if (fHandle2 == nullptr)

  1888.         {

  1889.             fDescriptor->process(fHandle, fAudioInBuffers, fAudioOutBuffers, frames, fMidiEvents, fMidiEventCount);

  1890.         }

  1891.         else

  1892.         {

  1893.             fDescriptor->process(fHandle,

  1894.                                  (pData->audioIn.count > 0) ? &fAudioInBuffers[0] : nullptr,

  1895.                                  (pData->audioOut.count > 0) ? &fAudioOutBuffers[0] : nullptr,

  1896.                                  frames, fMidiEvents, fMidiEventCount);

  1897. 

  1898.             fDescriptor->process(fHandle2,

  1899.                                  (pData->audioIn.count > 0) ? &fAudioInBuffers[1] : nullptr,

  1900.                                  (pData->audioOut.count > 0) ? &fAudioOutBuffers[1] : nullptr,

  1901.                                  frames, fMidiEvents, fMidiEventCount);

  1902.         }

  1903. 

  1904.         fIsProcessing = false;

  1905.         fTimeInfo.frame += frames;

  1906. 

  1907. #ifndef BUILD_BRIDGE

  1908.         // --------------------------------------------------------------------------------------------------------

  1909.         // Post-processing (dry/wet, volume and balance)

  1910. 

  1911.         {

  1912.             const bool doDryWet  = (pData->hints & PLUGIN_CAN_DRYWET) != 0 && ! carla_compareFloats(pData->postProc.dryWet, 1.0f);

  1913.             const bool doBalance = (pData->hints & PLUGIN_CAN_BALANCE) != 0 && ! (carla_compareFloats(pData->postProc.balanceLeft, -1.0f) && carla_compareFloats(pData->postProc.balanceRight, 1.0f));

  1914. 

  1915.             bool isPair;

  1916.             float bufValue, oldBufLeft[doBalance ? frames : 1];

  1917. 

  1918.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1919.             {

  1920.                 // Dry/Wet

  1921.                 if (doDryWet)

  1922.                 {

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

  1924.                     {

  1925.                         bufValue = fAudioInBuffers[(pData->audioIn.count == 1) ? 0 : i][k];

  1926.                         fAudioOutBuffers[i][k] = (fAudioOutBuffers[i][k] * pData->postProc.dryWet) + (bufValue * (1.0f - pData->postProc.dryWet));

  1927.                     }

  1928.                 }

  1929. 

  1930.                 // Balance

  1931.                 if (doBalance)

  1932.                 {

  1933.                     isPair = (i % 2 == 0);

  1934. 

  1935.                     if (isPair)

  1936.                     {

  1937.                         CARLA_ASSERT(i+1 < pData->audioOut.count);

  1938.                         FloatVectorOperations::copy(oldBufLeft, fAudioOutBuffers[i], static_cast<int>(frames));

  1939.                     }

  1940. 

  1941.                     float balRangeL = (pData->postProc.balanceLeft  + 1.0f)/2.0f;

  1942.                     float balRangeR = (pData->postProc.balanceRight + 1.0f)/2.0f;

  1943. 

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

  1945.                     {

  1946.                         if (isPair)

  1947.                         {

  1948.                             // left

  1949.                             fAudioOutBuffers[i][k]  = oldBufLeft[k]            * (1.0f - balRangeL);

  1950.                             fAudioOutBuffers[i][k] += fAudioOutBuffers[i+1][k] * (1.0f - balRangeR);

  1951.                         }

  1952.                         else

  1953.                         {

  1954.                             // right

  1955.                             fAudioOutBuffers[i][k]  = fAudioOutBuffers[i][k] * balRangeR;

  1956.                             fAudioOutBuffers[i][k] += oldBufLeft[k]          * balRangeL;

  1957.                         }

  1958.                     }

  1959.                 }

  1960. 

  1961.                 // Volume (and buffer copy)

  1962.                 {

  1963.                     for (uint32_t k=0; k < frames; ++k)

  1964.                         audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k] * pData->postProc.volume;

  1965.                 }

  1966.             }

  1967. 

  1968.         } // End of Post-processing

  1969. #else

  1970.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1971.         {

  1972.             for (uint32_t k=0; k < frames; ++k)

  1973.                 audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k];

  1974.         }

  1975. #endif

  1976. 

  1977. #if 0

  1978.         for (uint32_t i=0; i < pData->cvOut.count; ++i)

  1979.         {

  1980.             for (uint32_t k=0; k < frames; ++k)

  1981.                 cvOut[i][k+timeOffset] = fCvOutBuffers[i][k];

  1982.         }

  1983. #endif

  1984. 

  1985.         // --------------------------------------------------------------------------------------------------------

  1986. 

  1987.         pData->singleMutex.unlock();

  1988.         return true;

  1989.     }

  1990. 

  1991.     void bufferSizeChanged(const uint32_t newBufferSize) override

  1992.     {

  1993.         CARLA_ASSERT_INT(newBufferSize > 0, newBufferSize);

  1994.         carla_debug("CarlaPluginNative::bufferSizeChanged(%i)", newBufferSize);

  1995. 

  1996.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1997.         {

  1998.             if (fAudioInBuffers[i] != nullptr)

  1999.                 delete[] fAudioInBuffers[i];

  2000.             fAudioInBuffers[i] = new float[newBufferSize];

  2001.         }

  2002. 

  2003.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2004.         {

  2005.             if (fAudioOutBuffers[i] != nullptr)

  2006.                 delete[] fAudioOutBuffers[i];

  2007.             fAudioOutBuffers[i] = new float[newBufferSize];

  2008.         }

  2009. 

  2010.         if (fDescriptor != nullptr && fDescriptor->dispatcher != nullptr)

  2011.         {

  2012.             fDescriptor->dispatcher(fHandle, NATIVE_PLUGIN_OPCODE_BUFFER_SIZE_CHANGED, 0, static_cast<intptr_t>(newBufferSize), nullptr, 0.0f);

  2013. 

  2014.             if (fHandle2 != nullptr)

  2015.                 fDescriptor->dispatcher(fHandle2, NATIVE_PLUGIN_OPCODE_BUFFER_SIZE_CHANGED, 0, static_cast<intptr_t>(newBufferSize), nullptr, 0.0f);

  2016.         }

  2017.     }

  2018. 

  2019.     void sampleRateChanged(const double newSampleRate) override

  2020.     {

  2021.         CARLA_ASSERT_INT(newSampleRate > 0.0, newSampleRate);

  2022.         carla_debug("CarlaPluginNative::sampleRateChanged(%g)", newSampleRate);

  2023. 

  2024.         if (fDescriptor != nullptr && fDescriptor->dispatcher != nullptr)

  2025.         {

  2026.             fDescriptor->dispatcher(fHandle, NATIVE_PLUGIN_OPCODE_SAMPLE_RATE_CHANGED, 0, 0, nullptr, float(newSampleRate));

  2027. 

  2028.             if (fHandle2 != nullptr)

  2029.                 fDescriptor->dispatcher(fHandle2, NATIVE_PLUGIN_OPCODE_SAMPLE_RATE_CHANGED, 0, 0, nullptr, float(newSampleRate));

  2030.         }

  2031.     }

  2032. 

  2033.     void offlineModeChanged(const bool isOffline) override

  2034.     {

  2035.         if (fDescriptor != nullptr && fDescriptor->dispatcher != nullptr)

  2036.         {

  2037.             fDescriptor->dispatcher(fHandle, NATIVE_PLUGIN_OPCODE_OFFLINE_CHANGED, 0, isOffline ? 1 : 0, nullptr, 0.0f);

  2038. 

  2039.             if (fHandle2 != nullptr)

  2040.                 fDescriptor->dispatcher(fHandle2, NATIVE_PLUGIN_OPCODE_OFFLINE_CHANGED, 0, isOffline ? 1 : 0, nullptr, 0.0f);

  2041.         }

  2042.     }

  2043. 

  2044.     // -------------------------------------------------------------------

  2045.     // Plugin buffers

  2046. 

  2047.     void initBuffers() const noexcept override

  2048.     {

  2049.         fMidiIn.initBuffers();

  2050.         fMidiOut.initBuffers();

  2051. 

  2052.         CarlaPlugin::initBuffers();

  2053.     }

  2054. 

  2055.     void clearBuffers() noexcept override

  2056.     {

  2057.         carla_debug("CarlaPluginNative::clearBuffers() - start");

  2058. 

  2059.         if (fAudioInBuffers != nullptr)

  2060.         {

  2061.             for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2062.             {

  2063.                 if (fAudioInBuffers[i] != nullptr)

  2064.                 {

  2065.                     delete[] fAudioInBuffers[i];

  2066.                     fAudioInBuffers[i] = nullptr;

  2067.                 }

  2068.             }

  2069. 

  2070.             delete[] fAudioInBuffers;

  2071.             fAudioInBuffers = nullptr;

  2072.         }

  2073. 

  2074.         if (fAudioOutBuffers != nullptr)

  2075.         {

  2076.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2077.             {

  2078.                 if (fAudioOutBuffers[i] != nullptr)

  2079.                 {

  2080.                     delete[] fAudioOutBuffers[i];

  2081.                     fAudioOutBuffers[i] = nullptr;

  2082.                 }

  2083.             }

  2084. 

  2085.             delete[] fAudioOutBuffers;

  2086.             fAudioOutBuffers = nullptr;

  2087.         }

  2088. 

  2089.         if (fMidiIn.count > 1)

  2090.             pData->event.portIn = nullptr;

  2091. 

  2092.         if (fMidiOut.count > 1)

  2093.             pData->event.portOut = nullptr;

  2094. 

  2095.         fMidiIn.clear();

  2096.         fMidiOut.clear();

  2097. 

  2098.         CarlaPlugin::clearBuffers();

  2099. 

  2100.         carla_debug("CarlaPluginNative::clearBuffers() - end");

  2101.     }

  2102. 

  2103.     // -------------------------------------------------------------------

  2104.     // Post-poned UI Stuff

  2105. 

  2106.     void uiParameterChange(const uint32_t index, const float value) noexcept override

  2107.     {

  2108.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  2109.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  2110.         CARLA_SAFE_ASSERT_RETURN(index < pData->param.count,);

  2111. 

  2112.         if (! fIsUiVisible)

  2113.             return;

  2114. 

  2115.         if (fDescriptor->ui_set_parameter_value != nullptr)

  2116.             fDescriptor->ui_set_parameter_value(fHandle, index, value);

  2117.     }

  2118. 

  2119.     void uiMidiProgramChange(const uint32_t index) noexcept override

  2120.     {

  2121.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  2122.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  2123.         CARLA_SAFE_ASSERT_RETURN(index < pData->midiprog.count,);

  2124. 

  2125.         if (! fIsUiVisible)

  2126.             return;

  2127.         if (index >= pData->midiprog.count)

  2128.             return;

  2129. 

  2130.         if (fDescriptor->ui_set_midi_program != nullptr)

  2131.             fDescriptor->ui_set_midi_program(fHandle, 0, pData->midiprog.data[index].bank, pData->midiprog.data[index].program);

  2132.     }

  2133. 

  2134.     void uiNoteOn(const uint8_t channel, const uint8_t note, const uint8_t velo) noexcept override

  2135.     {

  2136.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  2137.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  2138.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2139.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2140.         CARLA_SAFE_ASSERT_RETURN(velo > 0 && velo < MAX_MIDI_VALUE,);

  2141. 

  2142.         if (! fIsUiVisible)

  2143.             return;

  2144. 

  2145.         // TODO

  2146.     }

  2147. 

  2148.     void uiNoteOff(const uint8_t channel, const uint8_t note) noexcept override

  2149.     {

  2150.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  2151.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  2152.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2153.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2154. 

  2155.         if (! fIsUiVisible)

  2156.             return;

  2157.         if (fDescriptor == nullptr || fHandle == nullptr)

  2158.             return;

  2159. 

  2160.         // TODO

  2161.     }

  2162. 

  2163.     // -------------------------------------------------------------------

  2164. 

  2165. protected:

  2166.     uint32_t handleGetBufferSize() const noexcept

  2167.     {

  2168.         return pData->engine->getBufferSize();

  2169.     }

  2170. 

  2171.     double handleGetSampleRate() const noexcept

  2172.     {

  2173.         return pData->engine->getSampleRate();

  2174.     }

  2175. 

  2176.     bool handleIsOffline() const noexcept

  2177.     {

  2178.         return pData->engine->isOffline();

  2179.     }

  2180. 

  2181.     const NativeTimeInfo* handleGetTimeInfo() const noexcept

  2182.     {

  2183.         CARLA_SAFE_ASSERT_RETURN(fIsProcessing, nullptr);

  2184. 

  2185.         return &fTimeInfo;

  2186.     }

  2187. 

  2188.     bool handleWriteMidiEvent(const NativeMidiEvent* const event)

  2189.     {

  2190.         CARLA_SAFE_ASSERT_RETURN(pData->enabled, false);

  2191.         CARLA_SAFE_ASSERT_RETURN(fIsProcessing, false);

  2192.         CARLA_SAFE_ASSERT_RETURN(fMidiOut.count > 0 || pData->event.portOut != nullptr, false);

  2193.         CARLA_SAFE_ASSERT_RETURN(event != nullptr, false);

  2194.         CARLA_SAFE_ASSERT_RETURN(event->data[0] != 0, false);

  2195. 

  2196.         // reverse-find first free event, and put it there

  2197.         for (uint32_t i=(kPluginMaxMidiEvents*2)-1; i >= fMidiEventCount; --i)

  2198.         {

  2199.             if (fMidiEvents[i].data[0] != 0)

  2200.                 continue;

  2201. 

  2202.             std::memcpy(&fMidiEvents[i], event, sizeof(NativeMidiEvent));

  2203.             return true;

  2204.         }

  2205. 

  2206.         carla_stdout("CarlaPluginNative::handleWriteMidiEvent(%p) - buffer full", event);

  2207.         return false;

  2208.     }

  2209. 

  2210.     void handleUiParameterChanged(const uint32_t index, const float value)

  2211.     {

  2212.         setParameterValue(index, value, false, true, true);

  2213.     }

  2214. 

  2215.     void handleUiCustomDataChanged(const char* const key, const char* const value)

  2216.     {

  2217.         setCustomData(CUSTOM_DATA_TYPE_STRING, key, value, false);

  2218.     }

  2219. 

  2220.     void handleUiClosed()

  2221.     {

  2222.         pData->engine->callback(ENGINE_CALLBACK_UI_STATE_CHANGED, pData->id, 0, 0, 0.0f, nullptr);

  2223.         fIsUiVisible = false;

  2224.     }

  2225. 

  2226.     const char* handleUiOpenFile(const bool isDir, const char* const title, const char* const filter)

  2227.     {

  2228.         return pData->engine->runFileCallback(FILE_CALLBACK_OPEN, isDir, title, filter);

  2229.     }

  2230. 

  2231.     const char* handleUiSaveFile(const bool isDir, const char* const title, const char* const filter)

  2232.     {

  2233.         return pData->engine->runFileCallback(FILE_CALLBACK_SAVE, isDir, title, filter);

  2234.     }

  2235. 

  2236.     intptr_t handleDispatcher(const NativeHostDispatcherOpcode opcode, const int32_t index, const intptr_t value, void* const ptr, const float opt)

  2237.     {

  2238.         carla_debug("CarlaPluginNative::handleDispatcher(%i, %i, " P_INTPTR ", %p, %f)", opcode, index, value, ptr, opt);

  2239. 

  2240.         intptr_t ret = 0;

  2241. 

  2242.         switch (opcode)

  2243.         {

  2244.         case NATIVE_HOST_OPCODE_NULL:

  2245.             break;

  2246.         case NATIVE_HOST_OPCODE_UPDATE_PARAMETER:

  2247.             // TODO

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

  2249.             break;

  2250.         case NATIVE_HOST_OPCODE_UPDATE_MIDI_PROGRAM:

  2251.             // TODO

  2252.             pData->engine->callback(ENGINE_CALLBACK_UPDATE, pData->id, -1, 0, 0.0f, nullptr);

  2253.             break;

  2254.         case NATIVE_HOST_OPCODE_RELOAD_PARAMETERS:

  2255.             reload(); // FIXME

  2256.             pData->engine->callback(ENGINE_CALLBACK_RELOAD_PARAMETERS, pData->id, -1, 0, 0.0f, nullptr);

  2257.             break;

  2258.         case NATIVE_HOST_OPCODE_RELOAD_MIDI_PROGRAMS:

  2259.             reloadPrograms(false);

  2260.             pData->engine->callback(ENGINE_CALLBACK_RELOAD_PROGRAMS, pData->id, -1, 0, 0.0f, nullptr);

  2261.             break;

  2262.         case NATIVE_HOST_OPCODE_RELOAD_ALL:

  2263.             reload();

  2264.             pData->engine->callback(ENGINE_CALLBACK_RELOAD_ALL, pData->id, -1, 0, 0.0f, nullptr);

  2265.             break;

  2266.         case NATIVE_HOST_OPCODE_UI_UNAVAILABLE:

  2267.             pData->engine->callback(ENGINE_CALLBACK_UI_STATE_CHANGED, pData->id, -1, 0, 0.0f, nullptr);

  2268.             fIsUiVisible = false;

  2269.             break;

  2270.         case NATIVE_HOST_OPCODE_HOST_IDLE:

  2271.             pData->engine->callback(ENGINE_CALLBACK_IDLE, 0, 0, 0, 0.0f, nullptr);

  2272.             break;

  2273.         }

  2274. 

  2275.         return ret;

  2276. 

  2277.         // unused for now

  2278.         (void)index;

  2279.         (void)value;

  2280.         (void)ptr;

  2281.         (void)opt;

  2282.     }

  2283. 

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

  2285. 

  2286. public:

  2287.     void* getNativeHandle() const noexcept override

  2288.     {

  2289.         return fHandle;

  2290.     }

  2291. 

  2292.     const void* getNativeDescriptor() const noexcept override

  2293.     {

  2294.         return fDescriptor;

  2295.     }

  2296. 

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

  2298. 

  2299.     bool init(const char* const name, const char* const label)

  2300.     {

  2301.         CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr, false);

  2302. 

  2303.         // ---------------------------------------------------------------

  2304.         // first checks

  2305. 

  2306.         if (pData->client != nullptr)

  2307.         {

  2308.             pData->engine->setLastError("Plugin client is already registered");

  2309.             return false;

  2310.         }

  2311. 

  2312.         if (label == nullptr && label[0] != '\0')

  2313.         {

  2314.             pData->engine->setLastError("null label");

  2315.             return false;

  2316.         }

  2317. 

  2318.         // ---------------------------------------------------------------

  2319.         // get descriptor that matches label

  2320. 

  2321.         sPluginInitializer.initIfNeeded();

  2322. 

  2323.         for (LinkedList<const NativePluginDescriptor*>::Itenerator it = gPluginDescriptors.begin(); it.valid(); it.next())

  2324.         {

  2325.             fDescriptor = it.getValue();

  2326. 

  2327.             CARLA_SAFE_ASSERT_BREAK(fDescriptor != nullptr);

  2328. 

  2329.             carla_debug("Check vs \"%s\"", fDescriptor->label);

  2330. 

  2331.             if (fDescriptor->label != nullptr && std::strcmp(fDescriptor->label, label) == 0)

  2332.                 break;

  2333. 

  2334.             fDescriptor = nullptr;

  2335.         }

  2336. 

  2337.         if (fDescriptor == nullptr)

  2338.         {

  2339.             pData->engine->setLastError("Invalid internal plugin");

  2340.             return false;

  2341.         }

  2342. 

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

  2344.         // set icon

  2345. 

  2346.         if (std::strcmp(fDescriptor->label, "audiofile") == 0)

  2347.             pData->iconName = carla_strdup_safe("file");

  2348.         else if (std::strcmp(fDescriptor->label, "midifile") == 0)

  2349.             pData->iconName = carla_strdup_safe("file");

  2350. 

  2351.         // ---------------------------------------------------------------

  2352.         // get info

  2353. 

  2354.         if (name != nullptr && name[0] != '\0')

  2355.             pData->name = pData->engine->getUniquePluginName(name);

  2356.         else if (fDescriptor->name != nullptr && fDescriptor->name[0] != '\0')

  2357.             pData->name = pData->engine->getUniquePluginName(fDescriptor->name);

  2358.         else

  2359.             pData->name = pData->engine->getUniquePluginName(label);

  2360. 

  2361.         {

  2362.             CARLA_ASSERT(fHost.uiName == nullptr);

  2363. 

  2364.             char uiName[std::strlen(pData->name)+6+1];

  2365.             std::strcpy(uiName, pData->name);

  2366.             std::strcat(uiName, " (GUI)");

  2367. 

  2368.             fHost.uiName = carla_strdup(uiName);

  2369.         }

  2370. 

  2371.         // ---------------------------------------------------------------

  2372.         // register client

  2373. 

  2374.         pData->client = pData->engine->addClient(this);

  2375. 

  2376.         if (pData->client == nullptr || ! pData->client->isOk())

  2377.         {

  2378.             pData->engine->setLastError("Failed to register plugin client");

  2379.             return false;

  2380.         }

  2381. 

  2382.         // ---------------------------------------------------------------

  2383.         // initialize plugin

  2384. 

  2385.         fHandle = fDescriptor->instantiate(&fHost);

  2386. 

  2387.         if (fHandle == nullptr)

  2388.         {

  2389.             pData->engine->setLastError("Plugin failed to initialize");

  2390.             return false;

  2391.         }

  2392. 

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

  2394.         // set default options

  2395. 

  2396.         const bool hasMidiProgs(fDescriptor->get_midi_program_count != nullptr && fDescriptor->get_midi_program_count(fHandle) > 0);

  2397. 

  2398.         pData->options = 0x0;

  2399. 

  2400.         if (getMidiInCount() > 0 || (fDescriptor->hints & NATIVE_PLUGIN_NEEDS_FIXED_BUFFERS) != 0)

  2401.             pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;

  2402. 

  2403.         if (pData->engine->getOptions().forceStereo)

  2404.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  2405. 

  2406.         if (fDescriptor->supports & NATIVE_PLUGIN_SUPPORTS_CHANNEL_PRESSURE)

  2407.             pData->options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  2408.         if (fDescriptor->supports & NATIVE_PLUGIN_SUPPORTS_NOTE_AFTERTOUCH)

  2409.             pData->options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  2410.         if (fDescriptor->supports & NATIVE_PLUGIN_SUPPORTS_PITCHBEND)

  2411.             pData->options |= PLUGIN_OPTION_SEND_PITCHBEND;

  2412.         if (fDescriptor->supports & NATIVE_PLUGIN_SUPPORTS_ALL_SOUND_OFF)

  2413.             pData->options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  2414. 

  2415.         if (fDescriptor->supports & NATIVE_PLUGIN_SUPPORTS_PROGRAM_CHANGES)

  2416.         {

  2417.             CARLA_SAFE_ASSERT(! hasMidiProgs);

  2418.             pData->options |= PLUGIN_OPTION_SEND_PROGRAM_CHANGES;

  2419. 

  2420.             if (fDescriptor->supports & NATIVE_PLUGIN_SUPPORTS_CONTROL_CHANGES)

  2421.                 pData->options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  2422.         }

  2423.         else if (hasMidiProgs && fDescriptor->category == NATIVE_PLUGIN_CATEGORY_SYNTH)

  2424.             pData->options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  2425. 

  2426.         return true;

  2427.     }

  2428. 

  2429. 

  2430. private:

  2431.     NativePluginHandle   fHandle;

  2432.     NativePluginHandle   fHandle2;

  2433.     NativeHostDescriptor fHost;

  2434.     const NativePluginDescriptor* fDescriptor;

  2435. 

  2436.     bool fIsProcessing;

  2437.     bool fIsUiVisible;

  2438. 

  2439.     float**         fAudioInBuffers;

  2440.     float**         fAudioOutBuffers;

  2441.     uint32_t        fMidiEventCount;

  2442.     NativeMidiEvent fMidiEvents[kPluginMaxMidiEvents*2];

  2443. 

  2444.     int32_t fCurMidiProgs[MAX_MIDI_CHANNELS];

  2445. 

  2446.     NativePluginMidiData fMidiIn;

  2447.     NativePluginMidiData fMidiOut;

  2448. 

  2449.     NativeTimeInfo fTimeInfo;

  2450. 

  2451.     // -------------------------------------------------------------------

  2452. 

  2453.     #define handlePtr ((CarlaPluginNative*)handle)

  2454. 

  2455.     static uint32_t carla_host_get_buffer_size(NativeHostHandle handle) noexcept

  2456.     {

  2457.         return handlePtr->handleGetBufferSize();

  2458.     }

  2459. 

  2460.     static double carla_host_get_sample_rate(NativeHostHandle handle) noexcept

  2461.     {

  2462.         return handlePtr->handleGetSampleRate();

  2463.     }

  2464. 

  2465.     static bool carla_host_is_offline(NativeHostHandle handle) noexcept

  2466.     {

  2467.         return handlePtr->handleIsOffline();

  2468.     }

  2469. 

  2470.     static const NativeTimeInfo* carla_host_get_time_info(NativeHostHandle handle) noexcept

  2471.     {

  2472.         return handlePtr->handleGetTimeInfo();

  2473.     }

  2474. 

  2475.     static bool carla_host_write_midi_event(NativeHostHandle handle, const NativeMidiEvent* event)

  2476.     {

  2477.         return handlePtr->handleWriteMidiEvent(event);

  2478.     }

  2479. 

  2480.     static void carla_host_ui_parameter_changed(NativeHostHandle handle, uint32_t index, float value)

  2481.     {

  2482.         handlePtr->handleUiParameterChanged(index, value);

  2483.     }

  2484. 

  2485.     static void carla_host_ui_custom_data_changed(NativeHostHandle handle, const char* key, const char* value)

  2486.     {

  2487.         handlePtr->handleUiCustomDataChanged(key, value);

  2488.     }

  2489. 

  2490.     static void carla_host_ui_closed(NativeHostHandle handle)

  2491.     {

  2492.         handlePtr->handleUiClosed();

  2493.     }

  2494. 

  2495.     static const char* carla_host_ui_open_file(NativeHostHandle handle, bool isDir, const char* title, const char* filter)

  2496.     {

  2497.         return handlePtr->handleUiOpenFile(isDir, title, filter);

  2498.     }

  2499. 

  2500.     static const char* carla_host_ui_save_file(NativeHostHandle handle, bool isDir, const char* title, const char* filter)

  2501.     {

  2502.         return handlePtr->handleUiSaveFile(isDir, title, filter);

  2503.     }

  2504. 

  2505.     static intptr_t carla_host_dispatcher(NativeHostHandle handle, NativeHostDispatcherOpcode opcode, int32_t index, intptr_t value, void* ptr, float opt)

  2506.     {

  2507.         return handlePtr->handleDispatcher(opcode, index, value, ptr, opt);

  2508.     }

  2509. 

  2510.     #undef handlePtr

  2511. 

  2512.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaPluginNative)

  2513. };

  2514. 

  2515. // -----------------------------------------------------------------------

  2516. 

  2517. CarlaPlugin* CarlaPlugin::newNative(const Initializer& init)

  2518. {

  2519.     carla_debug("CarlaPlugin::newNative({%p, \"%s\", \"%s\", \"%s\", " P_INT64 "})", init.engine, init.filename, init.name, init.label, init.uniqueId);

  2520. 

  2521.     CarlaPluginNative* const plugin(new CarlaPluginNative(init.engine, init.id));

  2522. 

  2523.     if (! plugin->init(init.name, init.label))

  2524.     {

  2525.         delete plugin;

  2526.         return nullptr;

  2527.     }

  2528. 

  2529.     return plugin;

  2530. }

  2531. 

  2532. // -----------------------------------------------------------------------

  2533. 

  2534. CARLA_BACKEND_END_NAMESPACE