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Carla
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Audio plugin host https://kx.studio/carla
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Carla/source/backend/plugin/NativePlugin.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. #ifdef WANT_NATIVE

  22. 

  23. #include "CarlaMathUtils.hpp"

  24. #include "CarlaNative.h"

  25. 

  26. #include <QtCore/QStringList>

  27. 

  28. // -----------------------------------------------------

  29. 

  30. static LinkedList<const NativePluginDescriptor*> gPluginDescriptors;

  31. 

  32. void carla_register_native_plugin(const NativePluginDescriptor* desc)

  33. {

  34.     gPluginDescriptors.append(desc);

  35. }

  36. 

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

  38. 

  39. CARLA_BACKEND_START_NAMESPACE

  40. 

  41. #if 0

  42. }

  43. #endif

  44. 

  45. struct NativePluginMidiData {

  46.     uint32_t  count;

  47.     uint32_t* indexes;

  48.     CarlaEngineEventPort** ports;

  49. 

  50.     NativePluginMidiData()

  51.         : count(0),

  52.           indexes(nullptr),

  53.           ports(nullptr) {}

  54. 

  55.     ~NativePluginMidiData()

  56.     {

  57.         CARLA_ASSERT_INT(count == 0, count);

  58.         CARLA_ASSERT(indexes == nullptr);

  59.         CARLA_ASSERT(ports == nullptr);

  60.     }

  61. 

  62.     void createNew(const uint32_t newCount)

  63.     {

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

  65.         CARLA_SAFE_ASSERT_RETURN(indexes == nullptr,);

  66.         CARLA_SAFE_ASSERT_RETURN(ports == nullptr,);

  67.         CARLA_SAFE_ASSERT_RETURN(newCount > 0,);

  68. 

  69.         ports   = new CarlaEngineEventPort*[newCount];

  70.         indexes = new uint32_t[newCount];

  71.         count   = newCount;

  72. 

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

  74.             ports[i] = nullptr;

  75. 

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

  77.             indexes[i] = 0;

  78.     }

  79. 

  80.     void clear()

  81.     {

  82.         if (ports != nullptr)

  83.         {

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

  85.             {

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

  87.                 {

  88.                     delete ports[i];

  89.                     ports[i] = nullptr;

  90.                 }

  91.             }

  92. 

  93.             delete[] ports;

  94.             ports = nullptr;

  95.         }

  96. 

  97.         if (indexes != nullptr)

  98.         {

  99.             delete[] indexes;

  100.             indexes = nullptr;

  101.         }

  102. 

  103.         count = 0;

  104.     }

  105. 

  106.     void initBuffers()

  107.     {

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

  109.         {

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

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

  112.         }

  113.     }

  114. 

  115.     CARLA_DECLARE_NON_COPY_STRUCT(NativePluginMidiData)

  116. };

  117. 

  118. // -----------------------------------------------------

  119. 

  120. static const

  121. struct ScopedInitializer {

  122.     ScopedInitializer()

  123.     {

  124.         carla_register_all_plugins();

  125.     }

  126. 

  127.     ~ScopedInitializer()

  128.     {

  129.         gPluginDescriptors.clear();

  130.     }

  131. } _si;

  132. 

  133. // -----------------------------------------------------

  134. 

  135. class NativePlugin : public CarlaPlugin

  136. {

  137. public:

  138.     NativePlugin(CarlaEngine* const engine, const unsigned int id)

  139.         : CarlaPlugin(engine, id),

  140.           fHandle(nullptr),

  141.           fHandle2(nullptr),

  142.           fDescriptor(nullptr),

  143.           fIsProcessing(false),

  144.           fIsUiVisible(false),

  145.           fAudioInBuffers(nullptr),

  146.           fAudioOutBuffers(nullptr),

  147.           fMidiEventCount(0)

  148.     {

  149.         carla_debug("NativePlugin::NativePlugin(%p, %i)", engine, id);

  150. 

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

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

  153.         carla_zeroStruct<NativeTimeInfo>(fTimeInfo);

  154. 

  155.         fHost.handle      = this;

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

  157.         fHost.uiName      = nullptr;

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

  159. 

  160.         fHost.get_buffer_size        = carla_host_get_buffer_size;

  161.         fHost.get_sample_rate        = carla_host_get_sample_rate;

  162.         fHost.is_offline             = carla_host_is_offline;

  163.         fHost.get_time_info          = carla_host_get_time_info;

  164.         fHost.write_midi_event       = carla_host_write_midi_event;

  165.         fHost.ui_parameter_changed   = carla_host_ui_parameter_changed;

  166.         fHost.ui_custom_data_changed = carla_host_ui_custom_data_changed;

  167.         fHost.ui_closed              = carla_host_ui_closed;

  168.         fHost.ui_open_file           = carla_host_ui_open_file;

  169.         fHost.ui_save_file           = carla_host_ui_save_file;

  170.         fHost.dispatcher             = carla_host_dispatcher;

  171.     }

  172. 

  173.     ~NativePlugin() override

  174.     {

  175.         carla_debug("NativePlugin::~NativePlugin()");

  176. 

  177.         // close UI

  178.         if (pData->hints & PLUGIN_HAS_UI)

  179.         {

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

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

  182.         }

  183. 

  184.         pData->singleMutex.lock();

  185.         pData->masterMutex.lock();

  186. 

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

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

  189. 

  190.         CARLA_ASSERT(! fIsProcessing);

  191. 

  192.         if (pData->active)

  193.         {

  194.             deactivate();

  195.             pData->active = false;

  196.         }

  197. 

  198.         if (fDescriptor != nullptr)

  199.         {

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

  201.             {

  202.                 if (fHandle != nullptr)

  203.                     fDescriptor->cleanup(fHandle);

  204.                 if (fHandle2 != nullptr)

  205.                     fDescriptor->cleanup(fHandle2);

  206.             }

  207. 

  208.             fHandle  = nullptr;

  209.             fHandle2 = nullptr;

  210.             fDescriptor = nullptr;

  211.         }

  212. 

  213.         if (fHost.resourceDir != nullptr)

  214.         {

  215.             delete[] fHost.resourceDir;

  216.             fHost.resourceDir = nullptr;

  217.         }

  218. 

  219.         if (fHost.uiName != nullptr)

  220.         {

  221.             delete[] fHost.uiName;

  222.             fHost.uiName = nullptr;

  223.         }

  224. 

  225.         clearBuffers();

  226.     }

  227. 

  228.     // -------------------------------------------------------------------

  229.     // Information (base)

  230. 

  231.     PluginType getType() const noexcept override

  232.     {

  233.         return PLUGIN_INTERNAL;

  234.     }

  235. 

  236.     PluginCategory getCategory() const noexcept override

  237.     {

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

  239. 

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

  241.     }

  242. 

  243.     // -------------------------------------------------------------------

  244.     // Information (count)

  245. 

  246.     uint32_t getMidiInCount() const noexcept override

  247.     {

  248.         return fMidiIn.count;

  249.     }

  250. 

  251.     uint32_t getMidiOutCount() const noexcept override

  252.     {

  253.         return fMidiOut.count;

  254.     }

  255. 

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

  257.     {

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

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

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

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

  262. 

  263.         // FIXME - try

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

  265.             return param->scalePointCount;

  266. 

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

  268.         return 0;

  269.     }

  270. 

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

  272.     // Information (current data)

  273. 

  274.     // nothing

  275. 

  276.     // -------------------------------------------------------------------

  277.     // Information (per-plugin data)

  278. 

  279.     unsigned int getOptionsAvailable() const noexcept override

  280.     {

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

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

  283. 

  284.         // FIXME - try

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

  286. 

  287.         unsigned int options = 0x0;

  288. 

  289.         if (hasMidiProgs && (fDescriptor->supports & ::PLUGIN_SUPPORTS_PROGRAM_CHANGES) == 0)

  290.             options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  291. 

  292.         if (getMidiInCount() == 0 && (fDescriptor->hints & ::PLUGIN_NEEDS_FIXED_BUFFERS) == 0)

  293.             options |= PLUGIN_OPTION_FIXED_BUFFERS;

  294. 

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

  296.         {

  297.             if (pData->options & PLUGIN_OPTION_FORCE_STEREO)

  298.                 options |= PLUGIN_OPTION_FORCE_STEREO;

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

  300.                 options |= PLUGIN_OPTION_FORCE_STEREO;

  301.         }

  302. 

  303.         if (fDescriptor->supports & ::PLUGIN_SUPPORTS_CONTROL_CHANGES)

  304.             options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  305.         if (fDescriptor->supports & ::PLUGIN_SUPPORTS_CHANNEL_PRESSURE)

  306.             options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  307.         if (fDescriptor->supports & ::PLUGIN_SUPPORTS_NOTE_AFTERTOUCH)

  308.             options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  309.         if (fDescriptor->supports & ::PLUGIN_SUPPORTS_PITCHBEND)

  310.             options |= PLUGIN_OPTION_SEND_PITCHBEND;

  311.         if (fDescriptor->supports & ::PLUGIN_SUPPORTS_ALL_SOUND_OFF)

  312.             options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  313. 

  314.         return options;

  315.     }

  316. 

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

  318.     {

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

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

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

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

  323. 

  324.         // FIXME - try

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

  326.     }

  327. 

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

  329.     {

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

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

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

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

  334.         CARLA_SAFE_ASSERT_RETURN(scalePointId < getParameterScalePointCount(parameterId), 0.0f);

  335. 

  336.         // FIXME - try

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

  338.         {

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

  340.             return scalePoint->value;

  341.         }

  342. 

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

  344.         return 0.0f;

  345.     }

  346. 

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

  348.     {

  349.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  350. 

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

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

  353.         else

  354.             CarlaPlugin::getLabel(strBuf);

  355.     }

  356. 

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

  358.     {

  359.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  360. 

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

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

  363.         else

  364.             CarlaPlugin::getMaker(strBuf);

  365.     }

  366. 

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

  368.     {

  369.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  370. 

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

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

  373.         else

  374.             CarlaPlugin::getCopyright(strBuf);

  375.     }

  376. 

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

  378.     {

  379.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  380. 

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

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

  383.         else

  384.             CarlaPlugin::getRealName(strBuf);

  385.     }

  386. 

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

  388.     {

  389.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

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

  391.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  393. 

  394.         // FIXME - try

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

  396.         {

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

  398.             {

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

  400.                 return;

  401.             }

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

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

  404.         }

  405. 

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

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

  408.     }

  409. 

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

  411.     {

  412.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

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

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

  415.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  417. 

  418.         // FIXME - try

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

  420.         {

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

  422.             return;

  423.         }

  424. 

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

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

  427.     }

  428. 

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

  430.     {

  431.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

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

  433.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  435. 

  436.         // FIXME - try

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

  438.         {

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

  440.             {

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

  442.                 return;

  443.             }

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

  445.         }

  446. 

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

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

  449.     }

  450. 

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

  452.     {

  453.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

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

  455.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  457.         CARLA_SAFE_ASSERT_RETURN(scalePointId < getParameterScalePointCount(parameterId),);

  458. 

  459.         // FIXME - try

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

  461.         {

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

  463. 

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

  465.             {

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

  467.                 return;

  468.             }

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

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

  471.         }

  472. 

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

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

  475.     }

  476. 

  477.     // -------------------------------------------------------------------

  478.     // Set data (state)

  479. 

  480.     void prepareForSave() override

  481.     {

  482.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  483.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  484. 

  485.         if (pData->midiprog.count > 0 && fDescriptor->category == ::PLUGIN_CATEGORY_SYNTH)

  486.         {

  487.             char strBuf[STR_MAX+1];

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

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

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

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

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

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

  494. 

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

  496.         }

  497. 

  498.         if (fDescriptor == nullptr || fDescriptor->get_state == nullptr || (fDescriptor->hints & ::PLUGIN_USES_STATE) == 0)

  499.             return;

  500. 

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

  502.         {

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

  504.             std::free(data);

  505.         }

  506.     }

  507. 

  508.     // -------------------------------------------------------------------

  509.     // Set data (internal stuff)

  510. 

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

  512.     {

  513.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  514.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  516. 

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

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

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

  520. 

  521.         if (fHost.uiName != nullptr)

  522.             delete[] fHost.uiName;

  523.         fHost.uiName = carla_strdup(uiName);

  524. 

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

  526.             fDescriptor->dispatcher(fHandle, PLUGIN_OPCODE_UI_NAME_CHANGED, 0, 0, uiName, 0.0f);

  527. 

  528.         CarlaPlugin::setName(newName);

  529.     }

  530. 

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

  532.     {

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

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

  535. 

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

  537.     }

  538. 

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

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

  541. 

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

  543.     {

  544.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

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

  546.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  548. 

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

  550. 

  551.         // FIXME - try

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

  553. 

  554.         if (fHandle2 != nullptr)

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

  556. 

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

  558.     }

  559. 

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

  561.     {

  562.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  563.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

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

  566.         CARLA_SAFE_ASSERT_RETURN(value != nullptr,);

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

  568. 

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

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

  571. 

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

  573.         {

  574.             if (fDescriptor->set_state != nullptr && (fDescriptor->hints & ::PLUGIN_USES_STATE) != 0)

  575.             {

  576.                 const ScopedSingleProcessLocker spl(this, true);

  577. 

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

  579. 

  580.                 if (fHandle2 != nullptr)

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

  582.             }

  583.         }

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

  585.         {

  586.             QStringList midiProgramList(QString(value).split(":", QString::SkipEmptyParts));

  587. 

  588.             if (midiProgramList.count() == MAX_MIDI_CHANNELS)

  589.             {

  590.                 uint8_t channel = 0;

  591.                 foreach (const QString& midiProg, midiProgramList)

  592.                 {

  593.                     bool ok;

  594.                     const int index(midiProg.toInt(&ok));

  595. 

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

  597.                     {

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

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

  600. 

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

  602. 

  603.                         if (fHandle2 != nullptr)

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

  605. 

  606.                         fCurMidiProgs[channel] = index;

  607. 

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

  609.                         {

  610.                             pData->midiprog.current = index;

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

  612.                         }

  613.                     }

  614. 

  615.                     ++channel;

  616.                 }

  617.             }

  618.         }

  619.         else

  620.         {

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

  622.             {

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

  624. 

  625.                 if (fHandle2 != nullptr)

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

  627.             }

  628. 

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

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

  631.         }

  632. 

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

  634.     }

  635. 

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

  637.     {

  638.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  639.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  641. 

  642.         // TODO, put into check below

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

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

  645. 

  646.         if (index >= 0)

  647.         {

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

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

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

  651. 

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

  653. 

  654.             try {

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

  656.             } catch(...) {}

  657. 

  658.             if (fHandle2 != nullptr)

  659.             {

  660.                 try {

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

  662.                 } catch(...) {}

  663.             }

  664. 

  665.             fCurMidiProgs[channel] = index;

  666.         }

  667. 

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

  669.     }

  670. 

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

  672.     // Set ui stuff

  673. 

  674.     void showCustomUI(const bool yesNo) override

  675.     {

  676.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  677.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  678. 

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

  680.             return;

  681. 

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

  683. 

  684.         if (fIsUiVisible == yesNo)

  685.             return;

  686. 

  687.         fIsUiVisible = yesNo;

  688. 

  689.         if (! yesNo)

  690.         {

  691.             pData->transientTryCounter = 0;

  692.             return;

  693.         }

  694. 

  695.         if ((fDescriptor->hints & ::PLUGIN_USES_PARENT_ID) == 0)

  696.             pData->tryTransient();

  697. 

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

  699.         {

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

  701.             {

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

  703. 

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

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

  706.             }

  707.         }

  708. 

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

  710.         {

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

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

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

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

  715. 

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

  717.         }

  718. 

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

  720.         {

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

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

  723.         }

  724.     }

  725. 

  726.     void idle() override

  727.     {

  728.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  729.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  730. 

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

  732.             fDescriptor->ui_idle(fHandle);

  733. 

  734.         CarlaPlugin::idle();

  735.     }

  736. 

  737.     // -------------------------------------------------------------------

  738.     // Plugin state

  739. 

  740.     void reload() override

  741.     {

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

  743.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  744.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  745.         carla_debug("NativePlugin::reload() - start");

  746. 

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

  748. 

  749.         // Safely disable plugin for reload

  750.         const ScopedDisabler sd(this);

  751. 

  752.         if (pData->active)

  753.             deactivate();

  754. 

  755.         clearBuffers();

  756. 

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

  758. 

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

  760. 

  761.         bool forcedStereoIn, forcedStereoOut;

  762.         forcedStereoIn = forcedStereoOut = false;

  763. 

  764.         bool needsCtrlIn, needsCtrlOut;

  765.         needsCtrlIn = needsCtrlOut = false;

  766. 

  767.         aIns   = fDescriptor->audioIns;

  768.         aOuts  = fDescriptor->audioOuts;

  769.         mIns   = fDescriptor->midiIns;

  770.         mOuts  = fDescriptor->midiOuts;

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

  772. 

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

  774.         {

  775.             if (fHandle2 == nullptr)

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

  777. 

  778.             if (fHandle2 != nullptr)

  779.             {

  780.                 if (aIns == 1)

  781.                 {

  782.                     aIns = 2;

  783.                     forcedStereoIn = true;

  784.                 }

  785. 

  786.                 if (aOuts == 1)

  787.                 {

  788.                     aOuts = 2;

  789.                     forcedStereoOut = true;

  790.                 }

  791.             }

  792.         }

  793. 

  794.         if (aIns > 0)

  795.         {

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

  797.             fAudioInBuffers = new float*[aIns];

  798. 

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

  800.                 fAudioInBuffers[i] = nullptr;

  801.         }

  802. 

  803.         if (aOuts > 0)

  804.         {

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

  806.             fAudioOutBuffers = new float*[aOuts];

  807.             needsCtrlIn = true;

  808. 

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

  810.                 fAudioOutBuffers[i] = nullptr;

  811.         }

  812. 

  813.         if (mIns > 0)

  814.         {

  815.             fMidiIn.createNew(mIns);

  816.             needsCtrlIn = (mIns == 1);

  817.         }

  818. 

  819.         if (mOuts > 0)

  820.         {

  821.             fMidiOut.createNew(mOuts);

  822.             needsCtrlOut = (mOuts == 1);

  823.         }

  824. 

  825.         if (params > 0)

  826.         {

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

  828.         }

  829. 

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

  831.         CarlaString portName;

  832. 

  833.         // Audio Ins

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

  835.         {

  836.             portName.clear();

  837. 

  838.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  839.             {

  840.                 portName  = pData->name;

  841.                 portName += ":";

  842.             }

  843. 

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

  845.             {

  846.                 portName += "input_";

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

  848.             }

  849.             else

  850.                 portName += "input";

  851. 

  852.             portName.truncate(portNameSize);

  853. 

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

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

  856. 

  857.             if (forcedStereoIn)

  858.             {

  859.                 portName += "_2";

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

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

  862.                 break;

  863.             }

  864.         }

  865. 

  866.         // Audio Outs

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

  868.         {

  869.             portName.clear();

  870. 

  871.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  872.             {

  873.                 portName  = pData->name;

  874.                 portName += ":";

  875.             }

  876. 

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

  878.             {

  879.                 portName += "output_";

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

  881.             }

  882.             else

  883.                 portName += "output";

  884. 

  885.             portName.truncate(portNameSize);

  886. 

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

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

  889. 

  890.             if (forcedStereoOut)

  891.             {

  892.                 portName += "_2";

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

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

  895.                 break;

  896.             }

  897.         }

  898. 

  899.         // MIDI Input (only if multiple)

  900.         if (mIns > 1)

  901.         {

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

  903.             {

  904.                 portName.clear();

  905. 

  906.                 if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  907.                 {

  908.                     portName  = pData->name;

  909.                     portName += ":";

  910.                 }

  911. 

  912.                 portName += "midi-in_";

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

  914.                 portName.truncate(portNameSize);

  915. 

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

  917.                 fMidiIn.indexes[j] = j;

  918.             }

  919.         }

  920. 

  921.         // MIDI Output (only if multiple)

  922.         if (mOuts > 1)

  923.         {

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

  925.             {

  926.                 portName.clear();

  927. 

  928.                 if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  929.                 {

  930.                     portName  = pData->name;

  931.                     portName += ":";

  932.                 }

  933. 

  934.                 portName += "midi-out_";

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

  936.                 portName.truncate(portNameSize);

  937. 

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

  939.                 fMidiOut.indexes[j] = j;

  940.             }

  941.         }

  942. 

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

  944.         {

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

  946. 

  947.             CARLA_SAFE_ASSERT_CONTINUE(paramInfo != nullptr);

  948. 

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

  950.             pData->param.data[j].hints  = 0x0;

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

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

  953.             pData->param.data[j].midiCC = -1;

  954.             pData->param.data[j].midiChannel = 0;

  955.             pData->param.special[j] = PARAMETER_SPECIAL_NULL;

  956. 

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

  958. 

  959.             // min value

  960.             min = paramInfo->ranges.min;

  961. 

  962.             // max value

  963.             max = paramInfo->ranges.max;

  964. 

  965.             if (min > max)

  966.                 max = min;

  967.             else if (max < min)

  968.                 min = max;

  969. 

  970.             if (max - min == 0.0f)

  971.             {

  972.                 carla_stderr2("WARNING - Broken plugin parameter '%s': max - min == 0.0f", paramInfo->name);

  973.                 max = min + 0.1f;

  974.             }

  975. 

  976.             // default value

  977.             def = paramInfo->ranges.def;

  978. 

  979.             if (def < min)

  980.                 def = min;

  981.             else if (def > max)

  982.                 def = max;

  983. 

  984.             if (paramInfo->hints & ::PARAMETER_USES_SAMPLE_RATE)

  985.             {

  986.                 min *= sampleRate;

  987.                 max *= sampleRate;

  988.                 def *= sampleRate;

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

  990.             }

  991. 

  992.             if (paramInfo->hints & ::PARAMETER_IS_BOOLEAN)

  993.             {

  994.                 step = max - min;

  995.                 stepSmall = step;

  996.                 stepLarge = step;

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

  998.             }

  999.             else if (paramInfo->hints & ::PARAMETER_IS_INTEGER)

  1000.             {

  1001.                 step = 1.0f;

  1002.                 stepSmall = 1.0f;

  1003.                 stepLarge = 10.0f;

  1004.                 pData->param.data[j].hints |= PARAMETER_IS_INTEGER;

  1005.             }

  1006.             else

  1007.             {

  1008.                 float range = max - min;

  1009.                 step = range/100.0f;

  1010.                 stepSmall = range/1000.0f;

  1011.                 stepLarge = range/10.0f;

  1012.             }

  1013. 

  1014.             if (paramInfo->hints & ::PARAMETER_IS_OUTPUT)

  1015.             {

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

  1017.                 needsCtrlOut = true;

  1018.             }

  1019.             else

  1020.             {

  1021.                 pData->param.data[j].type = PARAMETER_INPUT;

  1022.                 needsCtrlIn = true;

  1023.             }

  1024. 

  1025.             // extra parameter hints

  1026.             if (paramInfo->hints & ::PARAMETER_IS_ENABLED)

  1027.                 pData->param.data[j].hints |= PARAMETER_IS_ENABLED;

  1028. 

  1029.             if (paramInfo->hints & ::PARAMETER_IS_AUTOMABLE)

  1030.                 pData->param.data[j].hints |= PARAMETER_IS_AUTOMABLE;

  1031. 

  1032.             if (paramInfo->hints & ::PARAMETER_IS_LOGARITHMIC)

  1033.                 pData->param.data[j].hints |= PARAMETER_IS_LOGARITHMIC;

  1034. 

  1035.             if (paramInfo->hints & ::PARAMETER_USES_SCALEPOINTS)

  1036.                 pData->param.data[j].hints |= PARAMETER_USES_SCALEPOINTS;

  1037. 

  1038.             if (paramInfo->hints & ::PARAMETER_USES_CUSTOM_TEXT)

  1039.                 pData->param.data[j].hints |= PARAMETER_USES_CUSTOM_TEXT;

  1040. 

  1041.             pData->param.ranges[j].min = min;

  1042.             pData->param.ranges[j].max = max;

  1043.             pData->param.ranges[j].def = def;

  1044.             pData->param.ranges[j].step = step;

  1045.             pData->param.ranges[j].stepSmall = stepSmall;

  1046.             pData->param.ranges[j].stepLarge = stepLarge;

  1047.         }

  1048. 

  1049.         if (needsCtrlIn)

  1050.         {

  1051.             portName.clear();

  1052. 

  1053.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1054.             {

  1055.                 portName  = pData->name;

  1056.                 portName += ":";

  1057.             }

  1058. 

  1059.             portName += "events-in";

  1060.             portName.truncate(portNameSize);

  1061. 

  1062.             pData->event.portIn = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, true);

  1063.         }

  1064. 

  1065.         if (needsCtrlOut)

  1066.         {

  1067.             portName.clear();

  1068. 

  1069.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1070.             {

  1071.                 portName  = pData->name;

  1072.                 portName += ":";

  1073.             }

  1074. 

  1075.             portName += "events-out";

  1076.             portName.truncate(portNameSize);

  1077. 

  1078.             pData->event.portOut = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, false);

  1079.         }

  1080. 

  1081.         if (forcedStereoIn || forcedStereoOut)

  1082.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  1083.         else

  1084.             pData->options &= ~PLUGIN_OPTION_FORCE_STEREO;

  1085. 

  1086.         // plugin hints

  1087.         pData->hints = 0x0;

  1088. 

  1089.         if (aOuts > 0 && (aIns == aOuts || aIns == 1))

  1090.             pData->hints |= PLUGIN_CAN_DRYWET;

  1091. 

  1092.         if (aOuts > 0)

  1093.             pData->hints |= PLUGIN_CAN_VOLUME;

  1094. 

  1095.         if (aOuts >= 2 && aOuts % 2 == 0)

  1096.             pData->hints |= PLUGIN_CAN_BALANCE;

  1097. 

  1098.         // native plugin hints

  1099.         if (fDescriptor->hints & ::PLUGIN_IS_RTSAFE)

  1100.             pData->hints |= PLUGIN_IS_RTSAFE;

  1101.         if (fDescriptor->hints & ::PLUGIN_IS_SYNTH)

  1102.             pData->hints |= PLUGIN_IS_SYNTH;

  1103.         if (fDescriptor->hints & ::PLUGIN_HAS_UI)

  1104.             pData->hints |= PLUGIN_HAS_CUSTOM_UI;

  1105.         if (fDescriptor->hints & ::PLUGIN_NEEDS_SINGLE_THREAD)

  1106.             pData->hints |= PLUGIN_NEEDS_SINGLE_THREAD;

  1107.         if (fDescriptor->hints & ::PLUGIN_NEEDS_FIXED_BUFFERS)

  1108.             pData->hints |= PLUGIN_NEEDS_FIXED_BUFFERS;

  1109. 

  1110.         // extra plugin hints

  1111.         pData->extraHints = 0x0;

  1112. 

  1113.         if (aIns <= 2 && aOuts <= 2 && (aIns == aOuts || aIns == 0 || aOuts == 0) && mIns <= 1 && mOuts <= 1)

  1114.             pData->extraHints |= PLUGIN_EXTRA_HINT_CAN_RUN_RACK;

  1115. 

  1116.         if (fDescriptor->hints & ::PLUGIN_USES_MULTI_PROGS)

  1117.             pData->extraHints |= PLUGIN_EXTRA_HINT_USES_MULTI_PROGS;

  1118. 

  1119.         bufferSizeChanged(pData->engine->getBufferSize());

  1120.         reloadPrograms(true);

  1121. 

  1122.         if (pData->active)

  1123.             activate();

  1124. 

  1125.         carla_debug("NativePlugin::reload() - end");

  1126.     }

  1127. 

  1128.     void reloadPrograms(const bool doInit) override

  1129.     {

  1130.         carla_debug("NativePlugin::reloadPrograms(%s)", bool2str(doInit));

  1131.         uint32_t i, oldCount  = pData->midiprog.count;

  1132.         const int32_t current = pData->midiprog.current;

  1133. 

  1134.         // Delete old programs

  1135.         pData->midiprog.clear();

  1136. 

  1137.         // Query new programs

  1138.         uint32_t count = 0;

  1139.         if (fDescriptor->get_midi_program_count != nullptr && fDescriptor->get_midi_program_info != nullptr && fDescriptor->set_midi_program != nullptr)

  1140.             count = fDescriptor->get_midi_program_count(fHandle);

  1141. 

  1142.         if (count > 0)

  1143.         {

  1144.             pData->midiprog.createNew(count);

  1145. 

  1146.             // Update data

  1147.             for (i=0; i < count; ++i)

  1148.             {

  1149.                 const NativeMidiProgram* const mpDesc(fDescriptor->get_midi_program_info(fHandle, i));

  1150.                 CARLA_ASSERT(mpDesc != nullptr);

  1151.                 CARLA_ASSERT(mpDesc->name != nullptr);

  1152. 

  1153.                 pData->midiprog.data[i].bank    = mpDesc->bank;

  1154.                 pData->midiprog.data[i].program = mpDesc->program;

  1155.                 pData->midiprog.data[i].name    = carla_strdup(mpDesc->name);

  1156.             }

  1157.         }

  1158. 

  1159. #ifndef BUILD_BRIDGE

  1160.         // Update OSC Names

  1161.         if (pData->engine->isOscControlRegistered())

  1162.         {

  1163.             pData->engine->oscSend_control_set_midi_program_count(pData->id, count);

  1164. 

  1165.             for (i=0; i < count; ++i)

  1166.                 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);

  1167.         }

  1168. #endif

  1169. 

  1170.         if (doInit)

  1171.         {

  1172.             if (count > 0)

  1173.                 setMidiProgram(0, false, false, false);

  1174.         }

  1175.         else

  1176.         {

  1177.             // Check if current program is invalid

  1178.             bool programChanged = false;

  1179. 

  1180.             if (count == oldCount+1)

  1181.             {

  1182.                 // one midi program added, probably created by user

  1183.                 pData->midiprog.current = static_cast<int32_t>(oldCount);

  1184.                 programChanged = true;

  1185.             }

  1186.             else if (current < 0 && count > 0)

  1187.             {

  1188.                 // programs exist now, but not before

  1189.                 pData->midiprog.current = 0;

  1190.                 programChanged = true;

  1191.             }

  1192.             else if (current >= 0 && count == 0)

  1193.             {

  1194.                 // programs existed before, but not anymore

  1195.                 pData->midiprog.current = -1;

  1196.                 programChanged = true;

  1197.             }

  1198.             else if (current >= static_cast<int32_t>(count))

  1199.             {

  1200.                 // current midi program > count

  1201.                 pData->midiprog.current = 0;

  1202.                 programChanged = true;

  1203.             }

  1204.             else

  1205.             {

  1206.                 // no change

  1207.                 pData->midiprog.current = current;

  1208.             }

  1209. 

  1210.             if (programChanged)

  1211.                 setMidiProgram(pData->midiprog.current, true, true, true);

  1212. 

  1213.             pData->engine->callback(ENGINE_CALLBACK_RELOAD_PROGRAMS, pData->id, 0, 0, 0.0f, nullptr);

  1214.         }

  1215.     }

  1216. 

  1217.     // -------------------------------------------------------------------

  1218.     // Plugin processing

  1219. 

  1220.     void activate() noexcept override

  1221.     {

  1222.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1223.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  1224. 

  1225.         if (fDescriptor->activate != nullptr)

  1226.         {

  1227.             try {

  1228.                 fDescriptor->activate(fHandle);

  1229.             } catch(...) {}

  1230. 

  1231.             if (fHandle2 != nullptr)

  1232.             {

  1233.                 try {

  1234.                     fDescriptor->activate(fHandle2);

  1235.                 } catch(...) {}

  1236.             }

  1237.         }

  1238.     }

  1239. 

  1240.     void deactivate() noexcept override

  1241.     {

  1242.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1243.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  1244. 

  1245.         if (fDescriptor->deactivate != nullptr)

  1246.         {

  1247.             try {

  1248.                 fDescriptor->deactivate(fHandle);

  1249.             } catch(...) {}

  1250. 

  1251.             if (fHandle2 != nullptr)

  1252.             {

  1253.                 try {

  1254.                     fDescriptor->deactivate(fHandle2);

  1255.                 } catch(...) {}

  1256.             }

  1257.         }

  1258.     }

  1259. 

  1260.     void process(float** const inBuffer, float** const outBuffer, const uint32_t frames) override

  1261.     {

  1262.         // --------------------------------------------------------------------------------------------------------

  1263.         // Check if active

  1264. 

  1265.         if (! pData->active)

  1266.         {

  1267.             // disable any output sound

  1268.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1269.                 FLOAT_CLEAR(outBuffer[i], frames);

  1270. 

  1271.             return;

  1272.         }

  1273. 

  1274.         fMidiEventCount = 0;

  1275.         carla_zeroStruct<NativeMidiEvent>(fMidiEvents, kPluginMaxMidiEvents*2);

  1276. 

  1277.         // --------------------------------------------------------------------------------------------------------

  1278.         // Check if needs reset

  1279. 

  1280.         if (pData->needsReset)

  1281.         {

  1282.             if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1283.             {

  1284.                 for (uint8_t k=0, i=MAX_MIDI_CHANNELS; k < MAX_MIDI_CHANNELS; ++k)

  1285.                 {

  1286.                     fMidiEvents[k].data[0] = static_cast<uint8_t>(MIDI_STATUS_CONTROL_CHANGE + k);

  1287.                     fMidiEvents[k].data[1] = MIDI_CONTROL_ALL_NOTES_OFF;

  1288.                     fMidiEvents[k].data[2] = 0;

  1289.                     fMidiEvents[k].size    = 3;

  1290. 

  1291.                     fMidiEvents[k+i].data[0] = static_cast<uint8_t>(MIDI_STATUS_CONTROL_CHANGE + k);

  1292.                     fMidiEvents[k+i].data[1] = MIDI_CONTROL_ALL_SOUND_OFF;

  1293.                     fMidiEvents[k+i].data[2] = 0;

  1294.                     fMidiEvents[k+i].size    = 3;

  1295.                 }

  1296. 

  1297.                 fMidiEventCount = MAX_MIDI_CHANNELS*2;

  1298.             }

  1299.             else if (pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1300.             {

  1301.                 for (uint8_t k=0; k < MAX_MIDI_NOTE; ++k)

  1302.                 {

  1303.                     fMidiEvents[k].data[0] = static_cast<uint8_t>(MIDI_STATUS_NOTE_OFF + pData->ctrlChannel);

  1304.                     fMidiEvents[k].data[1] = k;

  1305.                     fMidiEvents[k].data[2] = 0;

  1306.                     fMidiEvents[k].size    = 3;

  1307.                 }

  1308. 

  1309.                 fMidiEventCount = MAX_MIDI_NOTE;

  1310.             }

  1311. 

  1312.             pData->needsReset = false;

  1313.         }

  1314. 

  1315.         CARLA_PROCESS_CONTINUE_CHECK;

  1316. 

  1317.         // --------------------------------------------------------------------------------------------------------

  1318.         // Set TimeInfo

  1319. 

  1320.         const EngineTimeInfo& timeInfo(pData->engine->getTimeInfo());

  1321. 

  1322.         fTimeInfo.playing = timeInfo.playing;

  1323.         fTimeInfo.frame   = timeInfo.frame;

  1324.         fTimeInfo.usecs   = timeInfo.usecs;

  1325. 

  1326.         if (timeInfo.valid & EngineTimeInfo::kValidBBT)

  1327.         {

  1328.             fTimeInfo.bbt.valid = true;

  1329. 

  1330.             fTimeInfo.bbt.bar  = timeInfo.bbt.bar;

  1331.             fTimeInfo.bbt.beat = timeInfo.bbt.beat;

  1332.             fTimeInfo.bbt.tick = timeInfo.bbt.tick;

  1333.             fTimeInfo.bbt.barStartTick = timeInfo.bbt.barStartTick;

  1334. 

  1335.             fTimeInfo.bbt.beatsPerBar = timeInfo.bbt.beatsPerBar;

  1336.             fTimeInfo.bbt.beatType    = timeInfo.bbt.beatType;

  1337. 

  1338.             fTimeInfo.bbt.ticksPerBeat   = timeInfo.bbt.ticksPerBeat;

  1339.             fTimeInfo.bbt.beatsPerMinute = timeInfo.bbt.beatsPerMinute;

  1340.         }

  1341.         else

  1342.             fTimeInfo.bbt.valid = false;

  1343. 

  1344.         CARLA_PROCESS_CONTINUE_CHECK;

  1345. 

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

  1347.         // Event Input and Processing

  1348. 

  1349.         if (pData->event.portIn != nullptr)

  1350.         {

  1351.             // ----------------------------------------------------------------------------------------------------

  1352.             // MIDI Input (External)

  1353. 

  1354.             if (pData->extNotes.mutex.tryLock())

  1355.             {

  1356.                 while (fMidiEventCount < kPluginMaxMidiEvents*2 && ! pData->extNotes.data.isEmpty())

  1357.                 {

  1358.                     const ExternalMidiNote& note(pData->extNotes.data.getFirst(true));

  1359. 

  1360.                     CARLA_SAFE_ASSERT_CONTINUE(note.channel >= 0 && note.channel < MAX_MIDI_CHANNELS);

  1361. 

  1362.                     fMidiEvents[fMidiEventCount].data[0] = static_cast<uint8_t>((note.velo > 0 ? MIDI_STATUS_NOTE_ON : MIDI_STATUS_NOTE_OFF) | (note.channel & MIDI_CHANNEL_BIT));

  1363.                     fMidiEvents[fMidiEventCount].data[1] = note.note;

  1364.                     fMidiEvents[fMidiEventCount].data[2] = note.velo;

  1365.                     fMidiEvents[fMidiEventCount].size    = 3;

  1366. 

  1367.                     fMidiEventCount += 1;

  1368.                 }

  1369. 

  1370.                 pData->extNotes.mutex.unlock();

  1371. 

  1372.             } // End of MIDI Input (External)

  1373. 

  1374.             // ----------------------------------------------------------------------------------------------------

  1375.             // Event Input (System)

  1376. 

  1377.             bool allNotesOffSent = false;

  1378.             bool sampleAccurate  = (pData->options & PLUGIN_OPTION_FIXED_BUFFERS) == 0;

  1379. 

  1380.             uint32_t time, nEvents = pData->event.portIn->getEventCount();

  1381.             uint32_t startTime  = 0;

  1382.             uint32_t timeOffset = 0;

  1383.             uint32_t nextBankId = 0;

  1384. 

  1385.             if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1386.                 nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1387. 

  1388.             for (uint32_t i=0; i < nEvents; ++i)

  1389.             {

  1390.                 const EngineEvent& event(pData->event.portIn->getEvent(i));

  1391. 

  1392.                 time = event.time;

  1393. 

  1394.                 if (time >= frames)

  1395.                     continue;

  1396. 

  1397.                 CARLA_ASSERT_INT2(time >= timeOffset, time, timeOffset);

  1398. 

  1399.                 if (time > timeOffset && sampleAccurate)

  1400.                 {

  1401.                     if (processSingle(inBuffer, outBuffer, time - timeOffset, timeOffset))

  1402.                     {

  1403.                         startTime  = 0;

  1404.                         timeOffset = time;

  1405. 

  1406.                         if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1407.                             nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1408.                         else

  1409.                             nextBankId = 0;

  1410. 

  1411.                         if (fMidiEventCount > 0)

  1412.                         {

  1413.                             carla_zeroStruct<NativeMidiEvent>(fMidiEvents, fMidiEventCount);

  1414.                             fMidiEventCount = 0;

  1415.                         }

  1416.                     }

  1417.                     else

  1418.                         startTime += timeOffset;

  1419.                 }

  1420. 

  1421.                 // Control change

  1422.                 switch (event.type)

  1423.                 {

  1424.                 case kEngineEventTypeNull:

  1425.                     break;

  1426. 

  1427.                 case kEngineEventTypeControl:

  1428.                 {

  1429.                     const EngineControlEvent& ctrlEvent = event.ctrl;

  1430. 

  1431.                     switch (ctrlEvent.type)

  1432.                     {

  1433.                     case kEngineControlEventTypeNull:

  1434.                         break;

  1435. 

  1436.                     case kEngineControlEventTypeParameter:

  1437.                     {

  1438. #ifndef BUILD_BRIDGE

  1439.                         // Control backend stuff

  1440.                         if (event.channel == pData->ctrlChannel)

  1441.                         {

  1442.                             float value;

  1443. 

  1444.                             if (MIDI_IS_CONTROL_BREATH_CONTROLLER(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_DRYWET) > 0)

  1445.                             {

  1446.                                 value = ctrlEvent.value;

  1447.                                 setDryWet(value, false, false);

  1448.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_DRYWET, 0, value);

  1449.                             }

  1450. 

  1451.                             if (MIDI_IS_CONTROL_CHANNEL_VOLUME(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_VOLUME) > 0)

  1452.                             {

  1453.                                 value = ctrlEvent.value*127.0f/100.0f;

  1454.                                 setVolume(value, false, false);

  1455.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_VOLUME, 0, value);

  1456.                             }

  1457. 

  1458.                             if (MIDI_IS_CONTROL_BALANCE(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_BALANCE) > 0)

  1459.                             {

  1460.                                 float left, right;

  1461.                                 value = ctrlEvent.value/0.5f - 1.0f;

  1462. 

  1463.                                 if (value < 0.0f)

  1464.                                 {

  1465.                                     left  = -1.0f;

  1466.                                     right = (value*2.0f)+1.0f;

  1467.                                 }

  1468.                                 else if (value > 0.0f)

  1469.                                 {

  1470.                                     left  = (value*2.0f)-1.0f;

  1471.                                     right = 1.0f;

  1472.                                 }

  1473.                                 else

  1474.                                 {

  1475.                                     left  = -1.0f;

  1476.                                     right = 1.0f;

  1477.                                 }

  1478. 

  1479.                                 setBalanceLeft(left, false, false);

  1480.                                 setBalanceRight(right, false, false);

  1481.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_LEFT, 0, left);

  1482.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_RIGHT, 0, right);

  1483.                             }

  1484.                         }

  1485. #endif

  1486. 

  1487.                         // Control plugin parameters

  1488.                         for (uint32_t k=0; k < pData->param.count; ++k)

  1489.                         {

  1490.                             if (pData->param.data[k].midiChannel != event.channel)

  1491.                                 continue;

  1492.                             if (pData->param.data[k].midiCC != ctrlEvent.param)

  1493.                                 continue;

  1494.                             if (pData->param.data[k].type != PARAMETER_INPUT)

  1495.                                 continue;

  1496.                             if ((pData->param.data[k].hints & PARAMETER_IS_AUTOMABLE) == 0)

  1497.                                 continue;

  1498. 

  1499.                             float value;

  1500. 

  1501.                             if (pData->param.data[k].hints & PARAMETER_IS_BOOLEAN)

  1502.                             {

  1503.                                 value = (ctrlEvent.value < 0.5f) ? pData->param.ranges[k].min : pData->param.ranges[k].max;

  1504.                             }

  1505.                             else

  1506.                             {

  1507.                                 value = pData->param.ranges[k].getUnnormalizedValue(ctrlEvent.value);

  1508. 

  1509.                                 if (pData->param.data[k].hints & PARAMETER_IS_INTEGER)

  1510.                                     value = std::rint(value);

  1511.                             }

  1512. 

  1513.                             setParameterValue(k, value, false, false, false);

  1514.                             pData->postponeRtEvent(kPluginPostRtEventParameterChange, static_cast<int32_t>(k), 0, value);

  1515.                         }

  1516. 

  1517.                         if ((pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0 && ctrlEvent.param <= 0x5F)

  1518.                         {

  1519.                             if (fMidiEventCount >= kPluginMaxMidiEvents*2)

  1520.                                 continue;

  1521. 

  1522.                             fMidiEvents[fMidiEventCount].port    = 0;

  1523.                             fMidiEvents[fMidiEventCount].time    = sampleAccurate ? startTime : time;

  1524.                             fMidiEvents[fMidiEventCount].data[0] = static_cast<uint8_t>(MIDI_STATUS_CONTROL_CHANGE + event.channel);

  1525.                             fMidiEvents[fMidiEventCount].data[1] = static_cast<uint8_t>(ctrlEvent.param);

  1526.                             fMidiEvents[fMidiEventCount].data[2] = uint8_t(ctrlEvent.value*127.0f);

  1527.                             fMidiEvents[fMidiEventCount].size    = 3;

  1528. 

  1529.                             fMidiEventCount += 1;

  1530.                         }

  1531. 

  1532.                         break;

  1533.                     }

  1534. 

  1535.                     case kEngineControlEventTypeMidiBank:

  1536.                         if (event.channel == pData->ctrlChannel && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1537.                             nextBankId = ctrlEvent.param;

  1538.                         break;

  1539. 

  1540.                     case kEngineControlEventTypeMidiProgram:

  1541.                         if (event.channel < MAX_MIDI_CHANNELS && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1542.                         {

  1543.                             const uint32_t nextProgramId(ctrlEvent.param);

  1544. 

  1545.                             for (uint32_t k=0; k < pData->midiprog.count; ++k)

  1546.                             {

  1547.                                 if (pData->midiprog.data[k].bank == nextBankId && pData->midiprog.data[k].program == nextProgramId)

  1548.                                 {

  1549.                                     fDescriptor->set_midi_program(fHandle, event.channel, nextBankId, nextProgramId);

  1550. 

  1551.                                     if (fHandle2 != nullptr)

  1552.                                         fDescriptor->set_midi_program(fHandle2, event.channel, nextBankId, nextProgramId);

  1553. 

  1554.                                     fCurMidiProgs[event.channel] = static_cast<int32_t>(k);

  1555. 

  1556.                                     if (event.channel == pData->ctrlChannel)

  1557.                                         pData->postponeRtEvent(kPluginPostRtEventMidiProgramChange, static_cast<int32_t>(k), 0, 0.0f);

  1558. 

  1559.                                     break;

  1560.                                 }

  1561.                             }

  1562.                         }

  1563.                         break;

  1564. 

  1565.                     case kEngineControlEventTypeAllSoundOff:

  1566.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1567.                         {

  1568.                             if (fMidiEventCount >= kPluginMaxMidiEvents*2)

  1569.                                 continue;

  1570. 

  1571.                             fMidiEvents[fMidiEventCount].port    = 0;

  1572.                             fMidiEvents[fMidiEventCount].time    = sampleAccurate ? startTime : time;

  1573.                             fMidiEvents[fMidiEventCount].data[0] = static_cast<uint8_t>(MIDI_STATUS_CONTROL_CHANGE + event.channel);

  1574.                             fMidiEvents[fMidiEventCount].data[1] = MIDI_CONTROL_ALL_SOUND_OFF;

  1575.                             fMidiEvents[fMidiEventCount].data[2] = 0;

  1576.                             fMidiEvents[fMidiEventCount].size    = 3;

  1577. 

  1578.                             fMidiEventCount += 1;

  1579.                         }

  1580.                         break;

  1581. 

  1582.                     case kEngineControlEventTypeAllNotesOff:

  1583.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1584.                         {

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

  1586.                             {

  1587.                                 allNotesOffSent = true;

  1588.                                 sendMidiAllNotesOffToCallback();

  1589.                             }

  1590. 

  1591.                             if (fMidiEventCount >= kPluginMaxMidiEvents*2)

  1592.                                 continue;

  1593. 

  1594.                             fMidiEvents[fMidiEventCount].port    = 0;

  1595.                             fMidiEvents[fMidiEventCount].time    = sampleAccurate ? startTime : time;

  1596.                             fMidiEvents[fMidiEventCount].data[0] = static_cast<uint8_t>(MIDI_STATUS_CONTROL_CHANGE + event.channel);

  1597.                             fMidiEvents[fMidiEventCount].data[1] = MIDI_CONTROL_ALL_NOTES_OFF;

  1598.                             fMidiEvents[fMidiEventCount].data[2] = 0;

  1599.                             fMidiEvents[fMidiEventCount].size    = 3;

  1600. 

  1601.                             fMidiEventCount += 1;

  1602.                         }

  1603.                         break;

  1604.                     }

  1605. 

  1606.                     break;

  1607.                 }

  1608. 

  1609.                 case kEngineEventTypeMidi:

  1610.                 {

  1611.                     if (fMidiEventCount >= kPluginMaxMidiEvents*2)

  1612.                         continue;

  1613. 

  1614.                     const EngineMidiEvent& midiEvent(event.midi);

  1615. 

  1616.                     uint8_t status  = uint8_t(MIDI_GET_STATUS_FROM_DATA(midiEvent.data));

  1617.                     uint8_t channel = event.channel;

  1618. 

  1619.                     if (MIDI_IS_STATUS_CHANNEL_PRESSURE(status) && (pData->options & PLUGIN_OPTION_SEND_CHANNEL_PRESSURE) == 0)

  1620.                         continue;

  1621.                     if (MIDI_IS_STATUS_CONTROL_CHANGE(status) && (pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) == 0)

  1622.                         continue;

  1623.                     if (MIDI_IS_STATUS_POLYPHONIC_AFTERTOUCH(status) && (pData->options & PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH) == 0)

  1624.                         continue;

  1625.                     if (MIDI_IS_STATUS_PITCH_WHEEL_CONTROL(status) && (pData->options & PLUGIN_OPTION_SEND_PITCHBEND) == 0)

  1626.                         continue;

  1627. 

  1628.                     // Fix bad note-off

  1629.                     if (status == MIDI_STATUS_NOTE_ON && midiEvent.data[2] == 0)

  1630.                         status = MIDI_STATUS_NOTE_OFF;

  1631. 

  1632.                     fMidiEvents[fMidiEventCount].port = 0;

  1633.                     fMidiEvents[fMidiEventCount].time = sampleAccurate ? startTime : time;

  1634.                     fMidiEvents[fMidiEventCount].size = midiEvent.size;

  1635. 

  1636.                     fMidiEvents[fMidiEventCount].data[0] = static_cast<uint8_t>(status + channel);

  1637.                     fMidiEvents[fMidiEventCount].data[1] = midiEvent.data[1];

  1638.                     fMidiEvents[fMidiEventCount].data[2] = midiEvent.data[2];

  1639.                     fMidiEvents[fMidiEventCount].data[3] = midiEvent.data[3];

  1640. 

  1641.                     fMidiEventCount += 1;

  1642. 

  1643.                     if (status == MIDI_STATUS_NOTE_ON)

  1644.                         pData->postponeRtEvent(kPluginPostRtEventNoteOn, channel, midiEvent.data[1], midiEvent.data[2]);

  1645.                     else if (status == MIDI_STATUS_NOTE_OFF)

  1646.                         pData->postponeRtEvent(kPluginPostRtEventNoteOff, channel, midiEvent.data[1], 0.0f);

  1647. 

  1648.                     break;

  1649.                 }

  1650.                 }

  1651.             }

  1652. 

  1653.             pData->postRtEvents.trySplice();

  1654. 

  1655.             if (frames > timeOffset)

  1656.                 processSingle(inBuffer, outBuffer, frames - timeOffset, timeOffset);

  1657. 

  1658.         } // End of Event Input and Processing

  1659. 

  1660.         // --------------------------------------------------------------------------------------------------------

  1661.         // Plugin processing (no events)

  1662. 

  1663.         else

  1664.         {

  1665.             processSingle(inBuffer, outBuffer, frames, 0);

  1666. 

  1667.         } // End of Plugin processing (no events)

  1668. 

  1669.         CARLA_PROCESS_CONTINUE_CHECK;

  1670. 

  1671.         // --------------------------------------------------------------------------------------------------------

  1672.         // Control and MIDI Output

  1673. 

  1674.         if (fMidiOut.count > 0 || pData->event.portOut != nullptr)

  1675.         {

  1676.             float value, curValue;

  1677. 

  1678.             for (uint32_t k=0; k < pData->param.count; ++k)

  1679.             {

  1680.                 if (pData->param.data[k].type != PARAMETER_OUTPUT)

  1681.                     continue;

  1682. 

  1683.                 curValue = fDescriptor->get_parameter_value(fHandle, k);

  1684.                 pData->param.ranges[k].fixValue(curValue);

  1685. 

  1686.                 if (pData->param.data[k].midiCC > 0)

  1687.                 {

  1688.                     value = pData->param.ranges[k].getNormalizedValue(curValue);

  1689.                     pData->event.portOut->writeControlEvent(0, pData->param.data[k].midiChannel, kEngineControlEventTypeParameter, static_cast<uint16_t>(pData->param.data[k].midiCC), value);

  1690.                 }

  1691.             }

  1692. 

  1693.             // reverse lookup MIDI events

  1694.             for (uint32_t k = (kPluginMaxMidiEvents*2)-1; k >= fMidiEventCount; --k)

  1695.             {

  1696.                 if (fMidiEvents[k].data[0] == 0)

  1697.                     break;

  1698. 

  1699.                 const uint8_t channel = uint8_t(MIDI_GET_CHANNEL_FROM_DATA(fMidiEvents[k].data));

  1700.                 const uint8_t port    = fMidiEvents[k].port;

  1701. 

  1702.                 if (pData->event.portOut != nullptr)

  1703.                     pData->event.portOut->writeMidiEvent(fMidiEvents[k].time, channel, port, fMidiEvents[k].size, fMidiEvents[k].data);

  1704.                 else if (port < fMidiOut.count)

  1705.                     fMidiOut.ports[port]->writeMidiEvent(fMidiEvents[k].time, channel, port, fMidiEvents[k].size, fMidiEvents[k].data);

  1706.             }

  1707. 

  1708.         } // End of Control and MIDI Output

  1709.     }

  1710. 

  1711.     bool processSingle(float** const inBuffer, float** const outBuffer, const uint32_t frames, const uint32_t timeOffset)

  1712.     {

  1713.         CARLA_ASSERT(frames > 0);

  1714. 

  1715.         if (frames == 0)

  1716.             return false;

  1717. 

  1718.         if (pData->audioIn.count > 0)

  1719.         {

  1720.             CARLA_ASSERT(inBuffer != nullptr);

  1721.             if (inBuffer == nullptr)

  1722.                 return false;

  1723.         }

  1724.         if (pData->audioOut.count > 0)

  1725.         {

  1726.             CARLA_ASSERT(outBuffer != nullptr);

  1727.             if (outBuffer == nullptr)

  1728.                 return false;

  1729.         }

  1730. 

  1731.         uint32_t i, k;

  1732. 

  1733.         // --------------------------------------------------------------------------------------------------------

  1734.         // Try lock, silence otherwise

  1735. 

  1736.         if (pData->engine->isOffline())

  1737.         {

  1738.             pData->singleMutex.lock();

  1739.         }

  1740.         else if (! pData->singleMutex.tryLock())

  1741.         {

  1742.             for (i=0; i < pData->audioOut.count; ++i)

  1743.             {

  1744.                 for (k=0; k < frames; ++k)

  1745.                     outBuffer[i][k+timeOffset] = 0.0f;

  1746.             }

  1747. 

  1748.             return false;

  1749.         }

  1750. 

  1751.         // --------------------------------------------------------------------------------------------------------

  1752.         // Reset audio buffers

  1753. 

  1754.         for (i=0; i < pData->audioIn.count; ++i)

  1755.             FLOAT_COPY(fAudioInBuffers[i], inBuffer[i]+timeOffset, frames);

  1756. 

  1757.         for (i=0; i < pData->audioOut.count; ++i)

  1758.             FLOAT_CLEAR(fAudioOutBuffers[i], frames);

  1759. 

  1760.         // --------------------------------------------------------------------------------------------------------

  1761.         // Run plugin

  1762. 

  1763.         fIsProcessing = true;

  1764. 

  1765.         if (fHandle2 == nullptr)

  1766.         {

  1767.             fDescriptor->process(fHandle, fAudioInBuffers, fAudioOutBuffers, frames, fMidiEvents, fMidiEventCount);

  1768.         }

  1769.         else

  1770.         {

  1771.             fDescriptor->process(fHandle,

  1772.                                  (pData->audioIn.count > 0) ? &fAudioInBuffers[0] : nullptr,

  1773.                                  (pData->audioOut.count > 0) ? &fAudioOutBuffers[0] : nullptr,

  1774.                                  frames, fMidiEvents, fMidiEventCount);

  1775. 

  1776.             fDescriptor->process(fHandle2,

  1777.                                  (pData->audioIn.count > 0) ? &fAudioInBuffers[1] : nullptr,

  1778.                                  (pData->audioOut.count > 0) ? &fAudioOutBuffers[1] : nullptr,

  1779.                                  frames, fMidiEvents, fMidiEventCount);

  1780.         }

  1781. 

  1782.         fIsProcessing = false;

  1783.         fTimeInfo.frame += frames;

  1784. 

  1785. #ifndef BUILD_BRIDGE

  1786.         // --------------------------------------------------------------------------------------------------------

  1787.         // Post-processing (dry/wet, volume and balance)

  1788. 

  1789.         {

  1790.             const bool doDryWet  = (pData->hints & PLUGIN_CAN_DRYWET) != 0 && pData->postProc.dryWet != 1.0f;

  1791.             const bool doBalance = (pData->hints & PLUGIN_CAN_BALANCE) != 0 && (pData->postProc.balanceLeft != -1.0f || pData->postProc.balanceRight != 1.0f);

  1792. 

  1793.             bool isPair;

  1794.             float bufValue, oldBufLeft[doBalance ? frames : 1];

  1795. 

  1796.             for (i=0; i < pData->audioOut.count; ++i)

  1797.             {

  1798.                 // Dry/Wet

  1799.                 if (doDryWet)

  1800.                 {

  1801.                     for (k=0; k < frames; ++k)

  1802.                     {

  1803.                         bufValue = fAudioInBuffers[(pData->audioIn.count == 1) ? 0 : i][k];

  1804.                         fAudioOutBuffers[i][k] = (fAudioOutBuffers[i][k] * pData->postProc.dryWet) + (bufValue * (1.0f - pData->postProc.dryWet));

  1805.                     }

  1806.                 }

  1807. 

  1808.                 // Balance

  1809.                 if (doBalance)

  1810.                 {

  1811.                     isPair = (i % 2 == 0);

  1812. 

  1813.                     if (isPair)

  1814.                     {

  1815.                         CARLA_ASSERT(i+1 < pData->audioOut.count);

  1816.                         FLOAT_COPY(oldBufLeft, fAudioOutBuffers[i], frames);

  1817.                     }

  1818. 

  1819.                     float balRangeL = (pData->postProc.balanceLeft  + 1.0f)/2.0f;

  1820.                     float balRangeR = (pData->postProc.balanceRight + 1.0f)/2.0f;

  1821. 

  1822.                     for (k=0; k < frames; ++k)

  1823.                     {

  1824.                         if (isPair)

  1825.                         {

  1826.                             // left

  1827.                             fAudioOutBuffers[i][k]  = oldBufLeft[k]            * (1.0f - balRangeL);

  1828.                             fAudioOutBuffers[i][k] += fAudioOutBuffers[i+1][k] * (1.0f - balRangeR);

  1829.                         }

  1830.                         else

  1831.                         {

  1832.                             // right

  1833.                             fAudioOutBuffers[i][k]  = fAudioOutBuffers[i][k] * balRangeR;

  1834.                             fAudioOutBuffers[i][k] += oldBufLeft[k]          * balRangeL;

  1835.                         }

  1836.                     }

  1837.                 }

  1838. 

  1839.                 // Volume (and buffer copy)

  1840.                 {

  1841.                     for (k=0; k < frames; ++k)

  1842.                         outBuffer[i][k+timeOffset] = fAudioOutBuffers[i][k] * pData->postProc.volume;

  1843.                 }

  1844.             }

  1845. 

  1846.         } // End of Post-processing

  1847. #else

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

  1849.         {

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

  1851.                 outBuffer[i][k+timeOffset] = fAudioOutBuffers[i][k];

  1852.         }

  1853. #endif

  1854. 

  1855.         // --------------------------------------------------------------------------------------------------------

  1856. 

  1857.         pData->singleMutex.unlock();

  1858.         return true;

  1859.     }

  1860. 

  1861.     void bufferSizeChanged(const uint32_t newBufferSize) override

  1862.     {

  1863.         CARLA_ASSERT_INT(newBufferSize > 0, newBufferSize);

  1864.         carla_debug("NativePlugin::bufferSizeChanged(%i)", newBufferSize);

  1865. 

  1866.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1867.         {

  1868.             if (fAudioInBuffers[i] != nullptr)

  1869.                 delete[] fAudioInBuffers[i];

  1870.             fAudioInBuffers[i] = new float[newBufferSize];

  1871.         }

  1872. 

  1873.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1874.         {

  1875.             if (fAudioOutBuffers[i] != nullptr)

  1876.                 delete[] fAudioOutBuffers[i];

  1877.             fAudioOutBuffers[i] = new float[newBufferSize];

  1878.         }

  1879. 

  1880.         if (fDescriptor != nullptr && fDescriptor->dispatcher != nullptr)

  1881.         {

  1882.             fDescriptor->dispatcher(fHandle, PLUGIN_OPCODE_BUFFER_SIZE_CHANGED, 0, static_cast<intptr_t>(newBufferSize), nullptr, 0.0f);

  1883. 

  1884.             if (fHandle2 != nullptr)

  1885.                 fDescriptor->dispatcher(fHandle2, PLUGIN_OPCODE_BUFFER_SIZE_CHANGED, 0, static_cast<intptr_t>(newBufferSize), nullptr, 0.0f);

  1886.         }

  1887.     }

  1888. 

  1889.     void sampleRateChanged(const double newSampleRate) override

  1890.     {

  1891.         CARLA_ASSERT_INT(newSampleRate > 0.0, newSampleRate);

  1892.         carla_debug("NativePlugin::sampleRateChanged(%g)", newSampleRate);

  1893. 

  1894.         if (fDescriptor != nullptr && fDescriptor->dispatcher != nullptr)

  1895.         {

  1896.             fDescriptor->dispatcher(fHandle, PLUGIN_OPCODE_SAMPLE_RATE_CHANGED, 0, 0, nullptr, float(newSampleRate));

  1897. 

  1898.             if (fHandle2 != nullptr)

  1899.                 fDescriptor->dispatcher(fHandle2, PLUGIN_OPCODE_SAMPLE_RATE_CHANGED, 0, 0, nullptr, float(newSampleRate));

  1900.         }

  1901.     }

  1902. 

  1903.     void offlineModeChanged(const bool isOffline) override

  1904.     {

  1905.         if (fDescriptor != nullptr && fDescriptor->dispatcher != nullptr)

  1906.         {

  1907.             fDescriptor->dispatcher(fHandle, PLUGIN_OPCODE_OFFLINE_CHANGED, 0, isOffline ? 1 : 0, nullptr, 0.0f);

  1908. 

  1909.             if (fHandle2 != nullptr)

  1910.                 fDescriptor->dispatcher(fHandle2, PLUGIN_OPCODE_OFFLINE_CHANGED, 0, isOffline ? 1 : 0, nullptr, 0.0f);

  1911.         }

  1912.     }

  1913. 

  1914.     // -------------------------------------------------------------------

  1915.     // Plugin buffers

  1916. 

  1917.     void initBuffers() override

  1918.     {

  1919.         fMidiIn.initBuffers();

  1920.         fMidiOut.initBuffers();

  1921. 

  1922.         CarlaPlugin::initBuffers();

  1923.     }

  1924. 

  1925.     void clearBuffers() override

  1926.     {

  1927.         carla_debug("NativePlugin::clearBuffers() - start");

  1928. 

  1929.         if (fAudioInBuffers != nullptr)

  1930.         {

  1931.             for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1932.             {

  1933.                 if (fAudioInBuffers[i] != nullptr)

  1934.                 {

  1935.                     delete[] fAudioInBuffers[i];

  1936.                     fAudioInBuffers[i] = nullptr;

  1937.                 }

  1938.             }

  1939. 

  1940.             delete[] fAudioInBuffers;

  1941.             fAudioInBuffers = nullptr;

  1942.         }

  1943. 

  1944.         if (fAudioOutBuffers != nullptr)

  1945.         {

  1946.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1947.             {

  1948.                 if (fAudioOutBuffers[i] != nullptr)

  1949.                 {

  1950.                     delete[] fAudioOutBuffers[i];

  1951.                     fAudioOutBuffers[i] = nullptr;

  1952.                 }

  1953.             }

  1954. 

  1955.             delete[] fAudioOutBuffers;

  1956.             fAudioOutBuffers = nullptr;

  1957.         }

  1958. 

  1959.         fMidiIn.clear();

  1960.         fMidiOut.clear();

  1961. 

  1962.         CarlaPlugin::clearBuffers();

  1963. 

  1964.         carla_debug("NativePlugin::clearBuffers() - end");

  1965.     }

  1966. 

  1967.     // -------------------------------------------------------------------

  1968.     // Post-poned UI Stuff

  1969. 

  1970.     void uiParameterChange(const uint32_t index, const float value) noexcept override

  1971.     {

  1972.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1973.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  1974.         CARLA_SAFE_ASSERT_RETURN(index < pData->param.count,);

  1975. 

  1976.         if (! fIsUiVisible)

  1977.             return;

  1978. 

  1979.         if (fDescriptor->ui_set_parameter_value != nullptr)

  1980.             fDescriptor->ui_set_parameter_value(fHandle, index, value);

  1981.     }

  1982. 

  1983.     void uiMidiProgramChange(const uint32_t index) noexcept override

  1984.     {

  1985.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1986.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  1987.         CARLA_SAFE_ASSERT_RETURN(index < pData->midiprog.count,);

  1988. 

  1989.         if (! fIsUiVisible)

  1990.             return;

  1991.         if (index >= pData->midiprog.count)

  1992.             return;

  1993. 

  1994.         if (fDescriptor->ui_set_midi_program != nullptr)

  1995.             fDescriptor->ui_set_midi_program(fHandle, 0, pData->midiprog.data[index].bank, pData->midiprog.data[index].program);

  1996.     }

  1997. 

  1998.     void uiNoteOn(const uint8_t channel, const uint8_t note, const uint8_t velo) noexcept override

  1999.     {

  2000.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  2001.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  2002.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2003.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2004.         CARLA_SAFE_ASSERT_RETURN(velo > 0 && velo < MAX_MIDI_VALUE,);

  2005. 

  2006.         if (! fIsUiVisible)

  2007.             return;

  2008. 

  2009.         // TODO

  2010.     }

  2011. 

  2012.     void uiNoteOff(const uint8_t channel, const uint8_t note) noexcept override

  2013.     {

  2014.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  2015.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  2016.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2017.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2018. 

  2019.         if (! fIsUiVisible)

  2020.             return;

  2021.         if (fDescriptor == nullptr || fHandle == nullptr)

  2022.             return;

  2023. 

  2024.         // TODO

  2025.     }

  2026. 

  2027.     // -------------------------------------------------------------------

  2028. 

  2029. protected:

  2030.     uint32_t handleGetBufferSize() const noexcept

  2031.     {

  2032.         return pData->engine->getBufferSize();

  2033.     }

  2034. 

  2035.     double handleGetSampleRate() const noexcept

  2036.     {

  2037.         return pData->engine->getSampleRate();

  2038.     }

  2039. 

  2040.     bool handleIsOffline() const noexcept

  2041.     {

  2042.         return pData->engine->isOffline();

  2043.     }

  2044. 

  2045.     const NativeTimeInfo* handleGetTimeInfo() const noexcept

  2046.     {

  2047.         CARLA_SAFE_ASSERT_RETURN(fIsProcessing, nullptr);

  2048. 

  2049.         return &fTimeInfo;

  2050.     }

  2051. 

  2052.     bool handleWriteMidiEvent(const NativeMidiEvent* const event)

  2053.     {

  2054.         CARLA_ASSERT(pData->enabled);

  2055.         CARLA_ASSERT(fIsProcessing);

  2056.         CARLA_ASSERT(fMidiOut.count > 0 || pData->event.portOut != nullptr);

  2057.         CARLA_ASSERT(event != nullptr);

  2058.         CARLA_ASSERT(event->data[0] != 0);

  2059. 

  2060.         if (! pData->enabled)

  2061.             return false;

  2062.         if (fMidiOut.count == 0)

  2063.             return false;

  2064.         if (event == nullptr)

  2065.             return false;

  2066.         if (event->data[0] == 0)

  2067.             return false;

  2068.         if (! fIsProcessing)

  2069.         {

  2070.             carla_stderr2("NativePlugin::handleWriteMidiEvent(%p) - received MIDI out event outside audio thread, ignoring", event);

  2071.             return false;

  2072.         }

  2073. 

  2074.         // reverse-find first free event, and put it there

  2075.         for (uint32_t i=(kPluginMaxMidiEvents*2)-1; i > fMidiEventCount; --i)

  2076.         {

  2077.             if (fMidiEvents[i].data[0] == 0)

  2078.             {

  2079.                 std::memcpy(&fMidiEvents[i], event, sizeof(NativeMidiEvent));

  2080.                 return true;

  2081.             }

  2082.         }

  2083. 

  2084.         return false;

  2085.     }

  2086. 

  2087.     void handleUiParameterChanged(const uint32_t index, const float value)

  2088.     {

  2089.         setParameterValue(index, value, false, true, true);

  2090.     }

  2091. 

  2092.     void handleUiCustomDataChanged(const char* const key, const char* const value)

  2093.     {

  2094.         setCustomData(CUSTOM_DATA_TYPE_STRING, key, value, false);

  2095.     }

  2096. 

  2097.     void handleUiClosed()

  2098.     {

  2099.         pData->engine->callback(ENGINE_CALLBACK_UI_STATE_CHANGED, pData->id, 0, 0, 0.0f, nullptr);

  2100.         fIsUiVisible = false;

  2101.     }

  2102. 

  2103.     const char* handleUiOpenFile(const bool isDir, const char* const title, const char* const filter)

  2104.     {

  2105.         return pData->engine->runFileCallback(FILE_CALLBACK_OPEN, isDir, title, filter);

  2106.     }

  2107. 

  2108.     const char* handleUiSaveFile(const bool isDir, const char* const title, const char* const filter)

  2109.     {

  2110.         return pData->engine->runFileCallback(FILE_CALLBACK_SAVE, isDir, title, filter);

  2111.     }

  2112. 

  2113.     intptr_t handleDispatcher(const NativeHostDispatcherOpcode opcode, const int32_t index, const intptr_t value, void* const ptr, const float opt)

  2114.     {

  2115.         carla_debug("NativePlugin::handleDispatcher(%i, %i, " P_INTPTR ", %p, %f)", opcode, index, value, ptr, opt);

  2116. 

  2117.         intptr_t ret = 0;

  2118. 

  2119.         switch (opcode)

  2120.         {

  2121.         case ::HOST_OPCODE_NULL:

  2122.             break;

  2123. #ifdef BUILD_BRIDGE

  2124.         case ::HOST_OPCODE_SET_VOLUME:

  2125.         case ::HOST_OPCODE_SET_DRYWET:

  2126.         case ::HOST_OPCODE_SET_BALANCE_LEFT:

  2127.         case ::HOST_OPCODE_SET_BALANCE_RIGHT:

  2128.         case ::HOST_OPCODE_SET_PANNING:

  2129.             break;

  2130. #else

  2131.         case ::HOST_OPCODE_SET_VOLUME:

  2132.             setVolume(opt, true, true);

  2133.             break;

  2134.         case ::HOST_OPCODE_SET_DRYWET:

  2135.             setDryWet(opt, true, true);

  2136.             break;

  2137.         case ::HOST_OPCODE_SET_BALANCE_LEFT:

  2138.             setBalanceLeft(opt, true, true);

  2139.             break;

  2140.         case ::HOST_OPCODE_SET_BALANCE_RIGHT:

  2141.             setBalanceRight(opt, true, true);

  2142.             break;

  2143.         case ::HOST_OPCODE_SET_PANNING:

  2144.             setPanning(opt, true, true);

  2145.             break;

  2146. #endif

  2147.         case HOST_OPCODE_GET_PARAMETER_MIDI_CC:

  2148.         case HOST_OPCODE_SET_PARAMETER_MIDI_CC:

  2149.             // TODO

  2150.             break;

  2151.         case ::HOST_OPCODE_SET_PROCESS_PRECISION:

  2152.             // TODO

  2153.             break;

  2154.         case ::HOST_OPCODE_UPDATE_PARAMETER:

  2155.             // TODO

  2156.             pData->engine->callback(ENGINE_CALLBACK_UPDATE, pData->id, -1, 0, 0.0f, nullptr);

  2157.             break;

  2158.         case ::HOST_OPCODE_UPDATE_MIDI_PROGRAM:

  2159.             // TODO

  2160.             pData->engine->callback(ENGINE_CALLBACK_UPDATE, pData->id, -1, 0, 0.0f, nullptr);

  2161.             break;

  2162.         case ::HOST_OPCODE_RELOAD_PARAMETERS:

  2163.             reload(); // FIXME

  2164.             pData->engine->callback(ENGINE_CALLBACK_RELOAD_PARAMETERS, pData->id, -1, 0, 0.0f, nullptr);

  2165.             break;

  2166.         case ::HOST_OPCODE_RELOAD_MIDI_PROGRAMS:

  2167.             reloadPrograms(false);

  2168.             pData->engine->callback(ENGINE_CALLBACK_RELOAD_PROGRAMS, pData->id, -1, 0, 0.0f, nullptr);

  2169.             break;

  2170.         case ::HOST_OPCODE_RELOAD_ALL:

  2171.             reload();

  2172.             pData->engine->callback(ENGINE_CALLBACK_RELOAD_ALL, pData->id, -1, 0, 0.0f, nullptr);

  2173.             break;

  2174.         case HOST_OPCODE_UI_UNAVAILABLE:

  2175.             pData->engine->callback(ENGINE_CALLBACK_UI_STATE_CHANGED, pData->id, -1, 0, 0.0f, nullptr);

  2176.             break;

  2177.         }

  2178. 

  2179.         return ret;

  2180. 

  2181.         // unused for now

  2182.         (void)index;

  2183.         (void)value;

  2184.         (void)ptr;

  2185.     }

  2186. 

  2187.     // -------------------------------------------------------------------

  2188. 

  2189. public:

  2190.     static size_t getPluginCount() noexcept

  2191.     {

  2192.         return gPluginDescriptors.count();

  2193.     }

  2194. 

  2195.     static const NativePluginDescriptor* getPluginDescriptor(const size_t index) noexcept

  2196.     {

  2197.         CARLA_SAFE_ASSERT_RETURN(index < gPluginDescriptors.count(), nullptr);

  2198. 

  2199.         return gPluginDescriptors.getAt(index);

  2200.     }

  2201. 

  2202.     // -------------------------------------------------------------------

  2203. 

  2204.     bool init(const char* const name, const char* const label)

  2205.     {

  2206.         CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr, false);

  2207. 

  2208.         // ---------------------------------------------------------------

  2209.         // first checks

  2210. 

  2211.         if (pData->client != nullptr)

  2212.         {

  2213.             pData->engine->setLastError("Plugin client is already registered");

  2214.             return false;

  2215.         }

  2216. 

  2217.         if (label == nullptr && label[0] != '\0')

  2218.         {

  2219.             pData->engine->setLastError("null label");

  2220.             return false;

  2221.         }

  2222. 

  2223.         // ---------------------------------------------------------------

  2224.         // get descriptor that matches label

  2225. 

  2226.         for (LinkedList<const NativePluginDescriptor*>::Itenerator it = gPluginDescriptors.begin(); it.valid(); it.next())

  2227.         {

  2228.             fDescriptor = it.getValue();

  2229. 

  2230.             CARLA_SAFE_ASSERT_BREAK(fDescriptor != nullptr);

  2231. 

  2232.             carla_debug("Check vs \"%s\"", fDescriptor->label);

  2233. 

  2234.             if (fDescriptor->label != nullptr && std::strcmp(fDescriptor->label, label) == 0)

  2235.                 break;

  2236. 

  2237.             fDescriptor = nullptr;

  2238.         }

  2239. 

  2240.         if (fDescriptor == nullptr)

  2241.         {

  2242.             pData->engine->setLastError("Invalid internal plugin");

  2243.             return false;

  2244.         }

  2245. 

  2246.         // ---------------------------------------------------------------

  2247.         // set icon

  2248. 

  2249.         if (std::strcmp(fDescriptor->label, "audiofile") == 0)

  2250.             pData->iconName = carla_strdup("file");

  2251.         else if (std::strcmp(fDescriptor->label, "midifile") == 0)

  2252.             pData->iconName = carla_strdup("file");

  2253.         else if (std::strcmp(fDescriptor->label, "sunvoxfile") == 0)

  2254.             pData->iconName = carla_strdup("file");

  2255. 

  2256.         else if (std::strcmp(fDescriptor->label, "3BandEQ") == 0)

  2257.             pData->iconName = carla_strdup("distrho");

  2258.         else if (std::strcmp(fDescriptor->label, "3BandSplitter") == 0)

  2259.             pData->iconName = carla_strdup("distrho");

  2260.         else if (std::strcmp(fDescriptor->label, "Nekobi") == 0)

  2261.             pData->iconName = carla_strdup("distrho");

  2262.         else if (std::strcmp(fDescriptor->label, "Notes") == 0)

  2263.             pData->iconName = carla_strdup("distrho");

  2264.         else if (std::strcmp(fDescriptor->label, "PingPongPan") == 0)

  2265.             pData->iconName = carla_strdup("distrho");

  2266.         else if (std::strcmp(fDescriptor->label, "StereoEnhancer") == 0)

  2267.             pData->iconName = carla_strdup("distrho");

  2268. 

  2269.         // ---------------------------------------------------------------

  2270.         // get info

  2271. 

  2272.         if (name != nullptr && name[0] != '\0')

  2273.             pData->name = pData->engine->getUniquePluginName(name);

  2274.         else if (fDescriptor->name != nullptr && fDescriptor->name[0] != '\0')

  2275.             pData->name = pData->engine->getUniquePluginName(fDescriptor->name);

  2276.         else

  2277.             pData->name = pData->engine->getUniquePluginName(label);

  2278. 

  2279.         {

  2280.             CARLA_ASSERT(fHost.uiName == nullptr);

  2281. 

  2282.             char uiName[std::strlen(pData->name)+6+1];

  2283.             std::strcpy(uiName, pData->name);

  2284.             std::strcat(uiName, " (GUI)");

  2285. 

  2286.             fHost.uiName = carla_strdup(uiName);

  2287.         }

  2288. 

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

  2290.         // register client

  2291. 

  2292.         pData->client = pData->engine->addClient(this);

  2293. 

  2294.         if (pData->client == nullptr || ! pData->client->isOk())

  2295.         {

  2296.             pData->engine->setLastError("Failed to register plugin client");

  2297.             return false;

  2298.         }

  2299. 

  2300.         // ---------------------------------------------------------------

  2301.         // initialize plugin

  2302. 

  2303.         fHandle = fDescriptor->instantiate(&fHost);

  2304. 

  2305.         if (fHandle == nullptr)

  2306.         {

  2307.             pData->engine->setLastError("Plugin failed to initialize");

  2308.             return false;

  2309.         }

  2310. 

  2311.         // ---------------------------------------------------------------

  2312.         // load plugin settings

  2313. 

  2314.         {

  2315.             const bool hasMidiProgs(fDescriptor->get_midi_program_count != nullptr && fDescriptor->get_midi_program_count(fHandle) > 0);

  2316. 

  2317.             // set default options

  2318.             pData->options = 0x0;

  2319. 

  2320.             if (hasMidiProgs && (fDescriptor->supports & ::PLUGIN_SUPPORTS_PROGRAM_CHANGES) == 0)

  2321.                 pData->options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  2322. 

  2323.             if (getMidiInCount() > 0 || (fDescriptor->hints & ::PLUGIN_NEEDS_FIXED_BUFFERS) != 0)

  2324.                 pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;

  2325. 

  2326.             if (pData->engine->getOptions().forceStereo)

  2327.                 pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  2328. 

  2329.             if (fDescriptor->supports & ::PLUGIN_SUPPORTS_CHANNEL_PRESSURE)

  2330.                 pData->options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  2331.             if (fDescriptor->supports & ::PLUGIN_SUPPORTS_NOTE_AFTERTOUCH)

  2332.                 pData->options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  2333.             if (fDescriptor->supports & ::PLUGIN_SUPPORTS_PITCHBEND)

  2334.                 pData->options |= PLUGIN_OPTION_SEND_PITCHBEND;

  2335.             if (fDescriptor->supports & ::PLUGIN_SUPPORTS_ALL_SOUND_OFF)

  2336.                 pData->options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  2337. 

  2338.             // set identifier string

  2339.             CarlaString identifier("Native/");

  2340.             identifier += label;

  2341.             pData->identifier = identifier.dup();

  2342. 

  2343.             // load settings

  2344.             pData->options = pData->loadSettings(pData->options, getOptionsAvailable());

  2345. 

  2346.             // ignore settings, we need this anyway

  2347.             if (getMidiInCount() > 0 || (fDescriptor->hints & ::PLUGIN_NEEDS_FIXED_BUFFERS) != 0)

  2348.                 pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;

  2349.         }

  2350. 

  2351.         return true;

  2352.     }

  2353. 

  2354. 

  2355. private:

  2356.     NativePluginHandle   fHandle;

  2357.     NativePluginHandle   fHandle2;

  2358.     NativeHostDescriptor fHost;

  2359.     const NativePluginDescriptor* fDescriptor;

  2360. 

  2361.     bool fIsProcessing;

  2362.     bool fIsUiVisible;

  2363. 

  2364.     float**         fAudioInBuffers;

  2365.     float**         fAudioOutBuffers;

  2366.     uint32_t        fMidiEventCount;

  2367.     NativeMidiEvent fMidiEvents[kPluginMaxMidiEvents*2];

  2368. 

  2369.     int32_t fCurMidiProgs[MAX_MIDI_CHANNELS];

  2370. 

  2371.     NativePluginMidiData fMidiIn;

  2372.     NativePluginMidiData fMidiOut;

  2373. 

  2374.     NativeTimeInfo fTimeInfo;

  2375. 

  2376.     // -------------------------------------------------------------------

  2377. 

  2378.     #define handlePtr ((NativePlugin*)handle)

  2379. 

  2380.     static uint32_t carla_host_get_buffer_size(NativeHostHandle handle) noexcept

  2381.     {

  2382.         return handlePtr->handleGetBufferSize();

  2383.     }

  2384. 

  2385.     static double carla_host_get_sample_rate(NativeHostHandle handle) noexcept

  2386.     {

  2387.         return handlePtr->handleGetSampleRate();

  2388.     }

  2389. 

  2390.     static bool carla_host_is_offline(NativeHostHandle handle) noexcept

  2391.     {

  2392.         return handlePtr->handleIsOffline();

  2393.     }

  2394. 

  2395.     static const NativeTimeInfo* carla_host_get_time_info(NativeHostHandle handle) noexcept

  2396.     {

  2397.         return handlePtr->handleGetTimeInfo();

  2398.     }

  2399. 

  2400.     static bool carla_host_write_midi_event(NativeHostHandle handle, const NativeMidiEvent* event)

  2401.     {

  2402.         return handlePtr->handleWriteMidiEvent(event);

  2403.     }

  2404. 

  2405.     static void carla_host_ui_parameter_changed(NativeHostHandle handle, uint32_t index, float value)

  2406.     {

  2407.         handlePtr->handleUiParameterChanged(index, value);

  2408.     }

  2409. 

  2410.     static void carla_host_ui_custom_data_changed(NativeHostHandle handle, const char* key, const char* value)

  2411.     {

  2412.         handlePtr->handleUiCustomDataChanged(key, value);

  2413.     }

  2414. 

  2415.     static void carla_host_ui_closed(NativeHostHandle handle)

  2416.     {

  2417.         handlePtr->handleUiClosed();

  2418.     }

  2419. 

  2420.     static const char* carla_host_ui_open_file(NativeHostHandle handle, bool isDir, const char* title, const char* filter)

  2421.     {

  2422.         return handlePtr->handleUiOpenFile(isDir, title, filter);

  2423.     }

  2424. 

  2425.     static const char* carla_host_ui_save_file(NativeHostHandle handle, bool isDir, const char* title, const char* filter)

  2426.     {

  2427.         return handlePtr->handleUiSaveFile(isDir, title, filter);

  2428.     }

  2429. 

  2430.     static intptr_t carla_host_dispatcher(NativeHostHandle handle, NativeHostDispatcherOpcode opcode, int32_t index, intptr_t value, void* ptr, float opt)

  2431.     {

  2432.         return handlePtr->handleDispatcher(opcode, index, value, ptr, opt);

  2433.     }

  2434. 

  2435.     #undef handlePtr

  2436. 

  2437.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(NativePlugin)

  2438. };

  2439. 

  2440. CARLA_BACKEND_END_NAMESPACE

  2441. 

  2442. #endif // WANT_NATIVE

  2443. 

  2444. // -----------------------------------------------------------------------

  2445. 

  2446. CARLA_BACKEND_START_NAMESPACE

  2447. 

  2448. #ifdef WANT_NATIVE

  2449. size_t CarlaPlugin::getNativePluginCount() noexcept

  2450. {

  2451.     return NativePlugin::getPluginCount();

  2452. }

  2453. 

  2454. const NativePluginDescriptor* CarlaPlugin::getNativePluginDescriptor(const size_t index) noexcept

  2455. {

  2456.     return NativePlugin::getPluginDescriptor(index);

  2457. }

  2458. #endif

  2459. 

  2460. // -----------------------------------------------------------------------

  2461. 

  2462. CarlaPlugin* CarlaPlugin::newNative(const Initializer& init)

  2463. {

  2464.     carla_debug("CarlaPlugin::newNative({%p, \"%s\", \"%s\", \"%s\", " P_INT64 "})", init.engine, init.filename, init.name, init.label, init.uniqueId);

  2465. 

  2466. #ifdef WANT_NATIVE

  2467.     NativePlugin* const plugin(new NativePlugin(init.engine, init.id));

  2468. 

  2469.     if (! plugin->init(init.name, init.label))

  2470.     {

  2471.         delete plugin;

  2472.         return nullptr;

  2473.     }

  2474. 

  2475.     plugin->reload();

  2476. 

  2477.     if (init.engine->getProccessMode() == ENGINE_PROCESS_MODE_CONTINUOUS_RACK && ! plugin->canRunInRack())

  2478.     {

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

  2480.         delete plugin;

  2481.         return nullptr;

  2482.     }

  2483. 

  2484.     return plugin;

  2485. #else

  2486.     init.engine->setLastError("Internal plugins support not available");

  2487.     return nullptr;

  2488. #endif

  2489. }

  2490. 

  2491. CARLA_BACKEND_END_NAMESPACE

  2492. 

  2493. // -----------------------------------------------------------------------