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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_CUSTOM_UI)

  179.         {

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

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

  182. 

  183.             pData->transientTryCounter = 0;

  184.         }

  185. 

  186.         pData->singleMutex.lock();

  187.         pData->masterMutex.lock();

  188. 

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

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

  191. 

  192.         CARLA_ASSERT(! fIsProcessing);

  193. 

  194.         if (pData->active)

  195.         {

  196.             deactivate();

  197.             pData->active = false;

  198.         }

  199. 

  200.         if (fDescriptor != nullptr)

  201.         {

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

  203.             {

  204.                 if (fHandle != nullptr)

  205.                     fDescriptor->cleanup(fHandle);

  206.                 if (fHandle2 != nullptr)

  207.                     fDescriptor->cleanup(fHandle2);

  208.             }

  209. 

  210.             fHandle  = nullptr;

  211.             fHandle2 = nullptr;

  212.             fDescriptor = nullptr;

  213.         }

  214. 

  215.         if (fHost.resourceDir != nullptr)

  216.         {

  217.             delete[] fHost.resourceDir;

  218.             fHost.resourceDir = nullptr;

  219.         }

  220. 

  221.         if (fHost.uiName != nullptr)

  222.         {

  223.             delete[] fHost.uiName;

  224.             fHost.uiName = nullptr;

  225.         }

  226. 

  227.         clearBuffers();

  228.     }

  229. 

  230.     // -------------------------------------------------------------------

  231.     // Information (base)

  232. 

  233.     PluginType getType() const noexcept override

  234.     {

  235.         return PLUGIN_INTERNAL;

  236.     }

  237. 

  238.     PluginCategory getCategory() const noexcept override

  239.     {

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

  241. 

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

  243.     }

  244. 

  245.     // -------------------------------------------------------------------

  246.     // Information (count)

  247. 

  248.     uint32_t getMidiInCount() const noexcept override

  249.     {

  250.         return fMidiIn.count;

  251.     }

  252. 

  253.     uint32_t getMidiOutCount() const noexcept override

  254.     {

  255.         return fMidiOut.count;

  256.     }

  257. 

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

  259.     {

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

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

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

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

  264. 

  265.         // FIXME - try

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

  267.             return param->scalePointCount;

  268. 

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

  270.         return 0;

  271.     }

  272. 

  273.     // -------------------------------------------------------------------

  274.     // Information (current data)

  275. 

  276.     // nothing

  277. 

  278.     // -------------------------------------------------------------------

  279.     // Information (per-plugin data)

  280. 

  281.     unsigned int getOptionsAvailable() const noexcept override

  282.     {

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

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

  285. 

  286.         // FIXME - try

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

  288. 

  289.         unsigned int options = 0x0;

  290. 

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

  292.             options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  293. 

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

  295.             options |= PLUGIN_OPTION_FIXED_BUFFERS;

  296. 

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

  298.         {

  299.             if (pData->options & PLUGIN_OPTION_FORCE_STEREO)

  300.                 options |= PLUGIN_OPTION_FORCE_STEREO;

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

  302.                 options |= PLUGIN_OPTION_FORCE_STEREO;

  303.         }

  304. 

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

  306.             options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

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

  308.             options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

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

  310.             options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

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

  312.             options |= PLUGIN_OPTION_SEND_PITCHBEND;

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

  314.             options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  315. 

  316.         return options;

  317.     }

  318. 

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

  320.     {

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

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

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

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

  325. 

  326.         // FIXME - try

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

  328.     }

  329. 

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

  331.     {

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

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

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

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

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

  337. 

  338.         // FIXME - try

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

  340.         {

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

  342.             return scalePoint->value;

  343.         }

  344. 

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

  346.         return 0.0f;

  347.     }

  348. 

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

  350.     {

  351.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  352. 

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

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

  355.         else

  356.             CarlaPlugin::getLabel(strBuf);

  357.     }

  358. 

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

  360.     {

  361.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  362. 

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

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

  365.         else

  366.             CarlaPlugin::getMaker(strBuf);

  367.     }

  368. 

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

  370.     {

  371.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  372. 

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

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

  375.         else

  376.             CarlaPlugin::getCopyright(strBuf);

  377.     }

  378. 

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

  380.     {

  381.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  382. 

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

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

  385.         else

  386.             CarlaPlugin::getRealName(strBuf);

  387.     }

  388. 

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

  390.     {

  391.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

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

  393.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  395. 

  396.         // FIXME - try

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

  398.         {

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

  400.             {

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

  402.                 return;

  403.             }

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

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

  406.         }

  407. 

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

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

  410.     }

  411. 

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

  413.     {

  414.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

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

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

  417.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  419. 

  420.         // FIXME - try

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

  422.         {

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

  424.             return;

  425.         }

  426. 

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

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

  429.     }

  430. 

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

  432.     {

  433.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

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

  435.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  437. 

  438.         // FIXME - try

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

  440.         {

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

  442.             {

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

  444.                 return;

  445.             }

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

  447.         }

  448. 

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

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

  451.     }

  452. 

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

  454.     {

  455.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

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

  457.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

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

  460. 

  461.         // FIXME - try

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

  463.         {

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

  465. 

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

  467.             {

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

  469.                 return;

  470.             }

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

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

  473.         }

  474. 

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

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

  477.     }

  478. 

  479.     // -------------------------------------------------------------------

  480.     // Set data (state)

  481. 

  482.     void prepareForSave() override

  483.     {

  484.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  485.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  486. 

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

  488.         {

  489.             char strBuf[STR_MAX+1];

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

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

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

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

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

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

  496. 

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

  498.         }

  499. 

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

  501.             return;

  502. 

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

  504.         {

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

  506.             std::free(data);

  507.         }

  508.     }

  509. 

  510.     // -------------------------------------------------------------------

  511.     // Set data (internal stuff)

  512. 

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

  514.     {

  515.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  516.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  518. 

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

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

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

  522. 

  523.         if (fHost.uiName != nullptr)

  524.             delete[] fHost.uiName;

  525.         fHost.uiName = carla_strdup(uiName);

  526. 

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

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

  529. 

  530.         CarlaPlugin::setName(newName);

  531.     }

  532. 

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

  534.     {

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

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

  537. 

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

  539.     }

  540. 

  541.     // -------------------------------------------------------------------

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

  543. 

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

  545.     {

  546.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

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

  548.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  550. 

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

  552. 

  553.         // FIXME - try

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

  555. 

  556.         if (fHandle2 != nullptr)

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

  558. 

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

  560.     }

  561. 

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

  563.     {

  564.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  565.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

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

  568.         CARLA_SAFE_ASSERT_RETURN(value != nullptr,);

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

  570. 

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

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

  573. 

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

  575.         {

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

  577.             {

  578.                 const ScopedSingleProcessLocker spl(this, true);

  579. 

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

  581. 

  582.                 if (fHandle2 != nullptr)

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

  584.             }

  585.         }

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

  587.         {

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

  589. 

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

  591.             {

  592.                 uint8_t channel = 0;

  593.                 foreach (const QString& midiProg, midiProgramList)

  594.                 {

  595.                     bool ok;

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

  597. 

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

  599.                     {

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

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

  602. 

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

  604. 

  605.                         if (fHandle2 != nullptr)

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

  607. 

  608.                         fCurMidiProgs[channel] = index;

  609. 

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

  611.                         {

  612.                             pData->midiprog.current = index;

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

  614.                         }

  615.                     }

  616. 

  617.                     ++channel;

  618.                 }

  619.             }

  620.         }

  621.         else

  622.         {

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

  624.             {

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

  626. 

  627.                 if (fHandle2 != nullptr)

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

  629.             }

  630. 

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

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

  633.         }

  634. 

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

  636.     }

  637. 

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

  639.     {

  640.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  641.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  643. 

  644.         // TODO, put into check below

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

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

  647. 

  648.         if (index >= 0)

  649.         {

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

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

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

  653. 

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

  655. 

  656.             try {

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

  658.             } catch(...) {}

  659. 

  660.             if (fHandle2 != nullptr)

  661.             {

  662.                 try {

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

  664.                 } catch(...) {}

  665.             }

  666. 

  667.             fCurMidiProgs[channel] = index;

  668.         }

  669. 

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

  671.     }

  672. 

  673.     // -------------------------------------------------------------------

  674.     // Set ui stuff

  675. 

  676.     void showCustomUI(const bool yesNo) override

  677.     {

  678.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  679.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  680. 

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

  682.             return;

  683. 

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

  685. 

  686.         if (fIsUiVisible == yesNo)

  687.             return;

  688. 

  689.         fIsUiVisible = yesNo;

  690. 

  691.         if (! yesNo)

  692.         {

  693.             pData->transientTryCounter = 0;

  694.             return;

  695.         }

  696. 

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

  698.             pData->tryTransient();

  699. 

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

  701.         {

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

  703.             {

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

  705. 

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

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

  708.             }

  709.         }

  710. 

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

  712.         {

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

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

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

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

  717. 

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

  719.         }

  720. 

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

  722.         {

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

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

  725.         }

  726.     }

  727. 

  728.     void idle() override

  729.     {

  730.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  731.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  732. 

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

  734.             fDescriptor->ui_idle(fHandle);

  735. 

  736.         CarlaPlugin::idle();

  737.     }

  738. 

  739.     // -------------------------------------------------------------------

  740.     // Plugin state

  741. 

  742.     void reload() override

  743.     {

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

  745.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  746.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  748. 

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

  750. 

  751.         // Safely disable plugin for reload

  752.         const ScopedDisabler sd(this);

  753. 

  754.         if (pData->active)

  755.             deactivate();

  756. 

  757.         clearBuffers();

  758. 

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

  760. 

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

  762. 

  763.         bool forcedStereoIn, forcedStereoOut;

  764.         forcedStereoIn = forcedStereoOut = false;

  765. 

  766.         bool needsCtrlIn, needsCtrlOut;

  767.         needsCtrlIn = needsCtrlOut = false;

  768. 

  769.         aIns   = fDescriptor->audioIns;

  770.         aOuts  = fDescriptor->audioOuts;

  771.         mIns   = fDescriptor->midiIns;

  772.         mOuts  = fDescriptor->midiOuts;

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

  774. 

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

  776.         {

  777.             if (fHandle2 == nullptr)

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

  779. 

  780.             if (fHandle2 != nullptr)

  781.             {

  782.                 if (aIns == 1)

  783.                 {

  784.                     aIns = 2;

  785.                     forcedStereoIn = true;

  786.                 }

  787. 

  788.                 if (aOuts == 1)

  789.                 {

  790.                     aOuts = 2;

  791.                     forcedStereoOut = true;

  792.                 }

  793.             }

  794.         }

  795. 

  796.         if (aIns > 0)

  797.         {

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

  799.             fAudioInBuffers = new float*[aIns];

  800. 

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

  802.                 fAudioInBuffers[i] = nullptr;

  803.         }

  804. 

  805.         if (aOuts > 0)

  806.         {

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

  808.             fAudioOutBuffers = new float*[aOuts];

  809.             needsCtrlIn = true;

  810. 

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

  812.                 fAudioOutBuffers[i] = nullptr;

  813.         }

  814. 

  815.         if (mIns > 0)

  816.         {

  817.             fMidiIn.createNew(mIns);

  818.             needsCtrlIn = (mIns == 1);

  819.         }

  820. 

  821.         if (mOuts > 0)

  822.         {

  823.             fMidiOut.createNew(mOuts);

  824.             needsCtrlOut = (mOuts == 1);

  825.         }

  826. 

  827.         if (params > 0)

  828.         {

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

  830.         }

  831. 

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

  833.         CarlaString portName;

  834. 

  835.         // Audio Ins

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

  837.         {

  838.             portName.clear();

  839. 

  840.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  841.             {

  842.                 portName  = pData->name;

  843.                 portName += ":";

  844.             }

  845. 

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

  847.             {

  848.                 portName += "input_";

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

  850.             }

  851.             else

  852.                 portName += "input";

  853. 

  854.             portName.truncate(portNameSize);

  855. 

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

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

  858. 

  859.             if (forcedStereoIn)

  860.             {

  861.                 portName += "_2";

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

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

  864.                 break;

  865.             }

  866.         }

  867. 

  868.         // Audio Outs

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

  870.         {

  871.             portName.clear();

  872. 

  873.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  874.             {

  875.                 portName  = pData->name;

  876.                 portName += ":";

  877.             }

  878. 

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

  880.             {

  881.                 portName += "output_";

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

  883.             }

  884.             else

  885.                 portName += "output";

  886. 

  887.             portName.truncate(portNameSize);

  888. 

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

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

  891. 

  892.             if (forcedStereoOut)

  893.             {

  894.                 portName += "_2";

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

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

  897.                 break;

  898.             }

  899.         }

  900. 

  901.         // MIDI Input (only if multiple)

  902.         if (mIns > 1)

  903.         {

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

  905.             {

  906.                 portName.clear();

  907. 

  908.                 if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  909.                 {

  910.                     portName  = pData->name;

  911.                     portName += ":";

  912.                 }

  913. 

  914.                 portName += "midi-in_";

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

  916.                 portName.truncate(portNameSize);

  917. 

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

  919.                 fMidiIn.indexes[j] = j;

  920.             }

  921.         }

  922. 

  923.         // MIDI Output (only if multiple)

  924.         if (mOuts > 1)

  925.         {

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

  927.             {

  928.                 portName.clear();

  929. 

  930.                 if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  931.                 {

  932.                     portName  = pData->name;

  933.                     portName += ":";

  934.                 }

  935. 

  936.                 portName += "midi-out_";

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

  938.                 portName.truncate(portNameSize);

  939. 

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

  941.                 fMidiOut.indexes[j] = j;

  942.             }

  943.         }

  944. 

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

  946.         {

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

  948. 

  949.             CARLA_SAFE_ASSERT_CONTINUE(paramInfo != nullptr);

  950. 

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

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

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

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

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

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

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

  958. 

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

  960. 

  961.             // min value

  962.             min = paramInfo->ranges.min;

  963. 

  964.             // max value

  965.             max = paramInfo->ranges.max;

  966. 

  967.             if (min > max)

  968.                 max = min;

  969.             else if (max < min)

  970.                 min = max;

  971. 

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

  973.             {

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

  975.                 max = min + 0.1f;

  976.             }

  977. 

  978.             // default value

  979.             def = paramInfo->ranges.def;

  980. 

  981.             if (def < min)

  982.                 def = min;

  983.             else if (def > max)

  984.                 def = max;

  985. 

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

  987.             {

  988.                 min *= sampleRate;

  989.                 max *= sampleRate;

  990.                 def *= sampleRate;

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

  992.             }

  993. 

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

  995.             {

  996.                 step = max - min;

  997.                 stepSmall = step;

  998.                 stepLarge = step;

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

  1000.             }

  1001.             else if (paramInfo->hints & ::PARAMETER_IS_INTEGER)

  1002.             {

  1003.                 step = 1.0f;

  1004.                 stepSmall = 1.0f;

  1005.                 stepLarge = 10.0f;

  1006.                 pData->param.data[j].hints |= PARAMETER_IS_INTEGER;

  1007.             }

  1008.             else

  1009.             {

  1010.                 float range = max - min;

  1011.                 step = range/100.0f;

  1012.                 stepSmall = range/1000.0f;

  1013.                 stepLarge = range/10.0f;

  1014.             }

  1015. 

  1016.             if (paramInfo->hints & ::PARAMETER_IS_OUTPUT)

  1017.             {

  1018.                 pData->param.data[j].type = PARAMETER_OUTPUT;

  1019.                 needsCtrlOut = true;

  1020.             }

  1021.             else

  1022.             {

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

  1024.                 needsCtrlIn = true;

  1025.             }

  1026. 

  1027.             // extra parameter hints

  1028.             if (paramInfo->hints & ::PARAMETER_IS_ENABLED)

  1029.                 pData->param.data[j].hints |= PARAMETER_IS_ENABLED;

  1030. 

  1031.             if (paramInfo->hints & ::PARAMETER_IS_AUTOMABLE)

  1032.                 pData->param.data[j].hints |= PARAMETER_IS_AUTOMABLE;

  1033. 

  1034.             if (paramInfo->hints & ::PARAMETER_IS_LOGARITHMIC)

  1035.                 pData->param.data[j].hints |= PARAMETER_IS_LOGARITHMIC;

  1036. 

  1037.             if (paramInfo->hints & ::PARAMETER_USES_SCALEPOINTS)

  1038.                 pData->param.data[j].hints |= PARAMETER_USES_SCALEPOINTS;

  1039. 

  1040.             if (paramInfo->hints & ::PARAMETER_USES_CUSTOM_TEXT)

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

  1042. 

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

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

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

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

  1047.             pData->param.ranges[j].stepSmall = stepSmall;

  1048.             pData->param.ranges[j].stepLarge = stepLarge;

  1049.         }

  1050. 

  1051.         if (needsCtrlIn)

  1052.         {

  1053.             portName.clear();

  1054. 

  1055.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1056.             {

  1057.                 portName  = pData->name;

  1058.                 portName += ":";

  1059.             }

  1060. 

  1061.             portName += "events-in";

  1062.             portName.truncate(portNameSize);

  1063. 

  1064.             pData->event.portIn = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, true);

  1065.         }

  1066. 

  1067.         if (needsCtrlOut)

  1068.         {

  1069.             portName.clear();

  1070. 

  1071.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1072.             {

  1073.                 portName  = pData->name;

  1074.                 portName += ":";

  1075.             }

  1076. 

  1077.             portName += "events-out";

  1078.             portName.truncate(portNameSize);

  1079. 

  1080.             pData->event.portOut = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, false);

  1081.         }

  1082. 

  1083.         if (forcedStereoIn || forcedStereoOut)

  1084.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  1085.         else

  1086.             pData->options &= ~PLUGIN_OPTION_FORCE_STEREO;

  1087. 

  1088.         // plugin hints

  1089.         pData->hints = 0x0;

  1090. 

  1091.         if (aOuts > 0 && (aIns == aOuts || aIns == 1))

  1092.             pData->hints |= PLUGIN_CAN_DRYWET;

  1093. 

  1094.         if (aOuts > 0)

  1095.             pData->hints |= PLUGIN_CAN_VOLUME;

  1096. 

  1097.         if (aOuts >= 2 && aOuts % 2 == 0)

  1098.             pData->hints |= PLUGIN_CAN_BALANCE;

  1099. 

  1100.         // native plugin hints

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

  1102.             pData->hints |= PLUGIN_IS_RTSAFE;

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

  1104.             pData->hints |= PLUGIN_IS_SYNTH;

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

  1106.             pData->hints |= PLUGIN_HAS_CUSTOM_UI;

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

  1108.             pData->hints |= PLUGIN_NEEDS_SINGLE_THREAD;

  1109.         if (fDescriptor->hints & ::PLUGIN_NEEDS_FIXED_BUFFERS)

  1110.             pData->hints |= PLUGIN_NEEDS_FIXED_BUFFERS;

  1111. 

  1112.         // extra plugin hints

  1113.         pData->extraHints = 0x0;

  1114. 

  1115.         if (aIns <= 2 && aOuts <= 2 && (aIns == aOuts || aIns == 0 || aOuts == 0) && mIns <= 1 && mOuts <= 1)

  1116.             pData->extraHints |= PLUGIN_EXTRA_HINT_CAN_RUN_RACK;

  1117. 

  1118.         if (fDescriptor->hints & ::PLUGIN_USES_MULTI_PROGS)

  1119.             pData->extraHints |= PLUGIN_EXTRA_HINT_USES_MULTI_PROGS;

  1120. 

  1121.         bufferSizeChanged(pData->engine->getBufferSize());

  1122.         reloadPrograms(true);

  1123. 

  1124.         if (pData->active)

  1125.             activate();

  1126. 

  1127.         carla_debug("NativePlugin::reload() - end");

  1128.     }

  1129. 

  1130.     void reloadPrograms(const bool doInit) override

  1131.     {

  1132.         carla_debug("NativePlugin::reloadPrograms(%s)", bool2str(doInit));

  1133.         uint32_t i, oldCount  = pData->midiprog.count;

  1134.         const int32_t current = pData->midiprog.current;

  1135. 

  1136.         // Delete old programs

  1137.         pData->midiprog.clear();

  1138. 

  1139.         // Query new programs

  1140.         uint32_t count = 0;

  1141.         if (fDescriptor->get_midi_program_count != nullptr && fDescriptor->get_midi_program_info != nullptr && fDescriptor->set_midi_program != nullptr)

  1142.             count = fDescriptor->get_midi_program_count(fHandle);

  1143. 

  1144.         if (count > 0)

  1145.         {

  1146.             pData->midiprog.createNew(count);

  1147. 

  1148.             // Update data

  1149.             for (i=0; i < count; ++i)

  1150.             {

  1151.                 const NativeMidiProgram* const mpDesc(fDescriptor->get_midi_program_info(fHandle, i));

  1152.                 CARLA_ASSERT(mpDesc != nullptr);

  1153.                 CARLA_ASSERT(mpDesc->name != nullptr);

  1154. 

  1155.                 pData->midiprog.data[i].bank    = mpDesc->bank;

  1156.                 pData->midiprog.data[i].program = mpDesc->program;

  1157.                 pData->midiprog.data[i].name    = carla_strdup(mpDesc->name);

  1158.             }

  1159.         }

  1160. 

  1161. #ifndef BUILD_BRIDGE

  1162.         // Update OSC Names

  1163.         if (pData->engine->isOscControlRegistered())

  1164.         {

  1165.             pData->engine->oscSend_control_set_midi_program_count(pData->id, count);

  1166. 

  1167.             for (i=0; i < count; ++i)

  1168.                 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);

  1169.         }

  1170. #endif

  1171. 

  1172.         if (doInit)

  1173.         {

  1174.             if (count > 0)

  1175.                 setMidiProgram(0, false, false, false);

  1176.         }

  1177.         else

  1178.         {

  1179.             // Check if current program is invalid

  1180.             bool programChanged = false;

  1181. 

  1182.             if (count == oldCount+1)

  1183.             {

  1184.                 // one midi program added, probably created by user

  1185.                 pData->midiprog.current = static_cast<int32_t>(oldCount);

  1186.                 programChanged = true;

  1187.             }

  1188.             else if (current < 0 && count > 0)

  1189.             {

  1190.                 // programs exist now, but not before

  1191.                 pData->midiprog.current = 0;

  1192.                 programChanged = true;

  1193.             }

  1194.             else if (current >= 0 && count == 0)

  1195.             {

  1196.                 // programs existed before, but not anymore

  1197.                 pData->midiprog.current = -1;

  1198.                 programChanged = true;

  1199.             }

  1200.             else if (current >= static_cast<int32_t>(count))

  1201.             {

  1202.                 // current midi program > count

  1203.                 pData->midiprog.current = 0;

  1204.                 programChanged = true;

  1205.             }

  1206.             else

  1207.             {

  1208.                 // no change

  1209.                 pData->midiprog.current = current;

  1210.             }

  1211. 

  1212.             if (programChanged)

  1213.                 setMidiProgram(pData->midiprog.current, true, true, true);

  1214. 

  1215.             pData->engine->callback(ENGINE_CALLBACK_RELOAD_PROGRAMS, pData->id, 0, 0, 0.0f, nullptr);

  1216.         }

  1217.     }

  1218. 

  1219.     // -------------------------------------------------------------------

  1220.     // Plugin processing

  1221. 

  1222.     void activate() noexcept override

  1223.     {

  1224.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1225.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  1226. 

  1227.         if (fDescriptor->activate != nullptr)

  1228.         {

  1229.             try {

  1230.                 fDescriptor->activate(fHandle);

  1231.             } catch(...) {}

  1232. 

  1233.             if (fHandle2 != nullptr)

  1234.             {

  1235.                 try {

  1236.                     fDescriptor->activate(fHandle2);

  1237.                 } catch(...) {}

  1238.             }

  1239.         }

  1240.     }

  1241. 

  1242.     void deactivate() noexcept override

  1243.     {

  1244.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1245.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  1246. 

  1247.         if (fDescriptor->deactivate != nullptr)

  1248.         {

  1249.             try {

  1250.                 fDescriptor->deactivate(fHandle);

  1251.             } catch(...) {}

  1252. 

  1253.             if (fHandle2 != nullptr)

  1254.             {

  1255.                 try {

  1256.                     fDescriptor->deactivate(fHandle2);

  1257.                 } catch(...) {}

  1258.             }

  1259.         }

  1260.     }

  1261. 

  1262.     void process(float** const inBuffer, float** const outBuffer, const uint32_t frames) override

  1263.     {

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

  1265.         // Check if active

  1266. 

  1267.         if (! pData->active)

  1268.         {

  1269.             // disable any output sound

  1270.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1271.                 FLOAT_CLEAR(outBuffer[i], frames);

  1272. 

  1273.             return;

  1274.         }

  1275. 

  1276.         fMidiEventCount = 0;

  1277.         carla_zeroStruct<NativeMidiEvent>(fMidiEvents, kPluginMaxMidiEvents*2);

  1278. 

  1279.         // --------------------------------------------------------------------------------------------------------

  1280.         // Check if needs reset

  1281. 

  1282.         if (pData->needsReset)

  1283.         {

  1284.             if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1285.             {

  1286.                 for (uint8_t k=0, i=MAX_MIDI_CHANNELS; k < MAX_MIDI_CHANNELS; ++k)

  1287.                 {

  1288.                     fMidiEvents[k].data[0] = static_cast<uint8_t>(MIDI_STATUS_CONTROL_CHANGE + k);

  1289.                     fMidiEvents[k].data[1] = MIDI_CONTROL_ALL_NOTES_OFF;

  1290.                     fMidiEvents[k].data[2] = 0;

  1291.                     fMidiEvents[k].size    = 3;

  1292. 

  1293.                     fMidiEvents[k+i].data[0] = static_cast<uint8_t>(MIDI_STATUS_CONTROL_CHANGE + k);

  1294.                     fMidiEvents[k+i].data[1] = MIDI_CONTROL_ALL_SOUND_OFF;

  1295.                     fMidiEvents[k+i].data[2] = 0;

  1296.                     fMidiEvents[k+i].size    = 3;

  1297.                 }

  1298. 

  1299.                 fMidiEventCount = MAX_MIDI_CHANNELS*2;

  1300.             }

  1301.             else if (pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1302.             {

  1303.                 for (uint8_t k=0; k < MAX_MIDI_NOTE; ++k)

  1304.                 {

  1305.                     fMidiEvents[k].data[0] = static_cast<uint8_t>(MIDI_STATUS_NOTE_OFF + pData->ctrlChannel);

  1306.                     fMidiEvents[k].data[1] = k;

  1307.                     fMidiEvents[k].data[2] = 0;

  1308.                     fMidiEvents[k].size    = 3;

  1309.                 }

  1310. 

  1311.                 fMidiEventCount = MAX_MIDI_NOTE;

  1312.             }

  1313. 

  1314.             pData->needsReset = false;

  1315.         }

  1316. 

  1317.         CARLA_PROCESS_CONTINUE_CHECK;

  1318. 

  1319.         // --------------------------------------------------------------------------------------------------------

  1320.         // Set TimeInfo

  1321. 

  1322.         const EngineTimeInfo& timeInfo(pData->engine->getTimeInfo());

  1323. 

  1324.         fTimeInfo.playing = timeInfo.playing;

  1325.         fTimeInfo.frame   = timeInfo.frame;

  1326.         fTimeInfo.usecs   = timeInfo.usecs;

  1327. 

  1328.         if (timeInfo.valid & EngineTimeInfo::kValidBBT)

  1329.         {

  1330.             fTimeInfo.bbt.valid = true;

  1331. 

  1332.             fTimeInfo.bbt.bar  = timeInfo.bbt.bar;

  1333.             fTimeInfo.bbt.beat = timeInfo.bbt.beat;

  1334.             fTimeInfo.bbt.tick = timeInfo.bbt.tick;

  1335.             fTimeInfo.bbt.barStartTick = timeInfo.bbt.barStartTick;

  1336. 

  1337.             fTimeInfo.bbt.beatsPerBar = timeInfo.bbt.beatsPerBar;

  1338.             fTimeInfo.bbt.beatType    = timeInfo.bbt.beatType;

  1339. 

  1340.             fTimeInfo.bbt.ticksPerBeat   = timeInfo.bbt.ticksPerBeat;

  1341.             fTimeInfo.bbt.beatsPerMinute = timeInfo.bbt.beatsPerMinute;

  1342.         }

  1343.         else

  1344.             fTimeInfo.bbt.valid = false;

  1345. 

  1346.         CARLA_PROCESS_CONTINUE_CHECK;

  1347. 

  1348.         // --------------------------------------------------------------------------------------------------------

  1349.         // Event Input and Processing

  1350. 

  1351.         if (pData->event.portIn != nullptr)

  1352.         {

  1353.             // ----------------------------------------------------------------------------------------------------

  1354.             // MIDI Input (External)

  1355. 

  1356.             if (pData->extNotes.mutex.tryLock())

  1357.             {

  1358.                 while (fMidiEventCount < kPluginMaxMidiEvents*2 && ! pData->extNotes.data.isEmpty())

  1359.                 {

  1360.                     const ExternalMidiNote& note(pData->extNotes.data.getFirst(true));

  1361. 

  1362.                     CARLA_SAFE_ASSERT_CONTINUE(note.channel >= 0 && note.channel < MAX_MIDI_CHANNELS);

  1363. 

  1364.                     fMidiEvents[fMidiEventCount].data[0] = static_cast<uint8_t>((note.velo > 0 ? MIDI_STATUS_NOTE_ON : MIDI_STATUS_NOTE_OFF) | (note.channel & MIDI_CHANNEL_BIT));

  1365.                     fMidiEvents[fMidiEventCount].data[1] = note.note;

  1366.                     fMidiEvents[fMidiEventCount].data[2] = note.velo;

  1367.                     fMidiEvents[fMidiEventCount].size    = 3;

  1368. 

  1369.                     fMidiEventCount += 1;

  1370.                 }

  1371. 

  1372.                 pData->extNotes.mutex.unlock();

  1373. 

  1374.             } // End of MIDI Input (External)

  1375. 

  1376.             // ----------------------------------------------------------------------------------------------------

  1377.             // Event Input (System)

  1378. 

  1379.             bool allNotesOffSent = false;

  1380.             bool sampleAccurate  = (pData->options & PLUGIN_OPTION_FIXED_BUFFERS) == 0;

  1381. 

  1382.             uint32_t time, nEvents = pData->event.portIn->getEventCount();

  1383.             uint32_t startTime  = 0;

  1384.             uint32_t timeOffset = 0;

  1385.             uint32_t nextBankId = 0;

  1386. 

  1387.             if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1388.                 nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1389. 

  1390.             for (uint32_t i=0; i < nEvents; ++i)

  1391.             {

  1392.                 const EngineEvent& event(pData->event.portIn->getEvent(i));

  1393. 

  1394.                 time = event.time;

  1395. 

  1396.                 if (time >= frames)

  1397.                     continue;

  1398. 

  1399.                 CARLA_ASSERT_INT2(time >= timeOffset, time, timeOffset);

  1400. 

  1401.                 if (time > timeOffset && sampleAccurate)

  1402.                 {

  1403.                     if (processSingle(inBuffer, outBuffer, time - timeOffset, timeOffset))

  1404.                     {

  1405.                         startTime  = 0;

  1406.                         timeOffset = time;

  1407. 

  1408.                         if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1409.                             nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1410.                         else

  1411.                             nextBankId = 0;

  1412. 

  1413.                         if (fMidiEventCount > 0)

  1414.                         {

  1415.                             carla_zeroStruct<NativeMidiEvent>(fMidiEvents, fMidiEventCount);

  1416.                             fMidiEventCount = 0;

  1417.                         }

  1418.                     }

  1419.                     else

  1420.                         startTime += timeOffset;

  1421.                 }

  1422. 

  1423.                 // Control change

  1424.                 switch (event.type)

  1425.                 {

  1426.                 case kEngineEventTypeNull:

  1427.                     break;

  1428. 

  1429.                 case kEngineEventTypeControl:

  1430.                 {

  1431.                     const EngineControlEvent& ctrlEvent = event.ctrl;

  1432. 

  1433.                     switch (ctrlEvent.type)

  1434.                     {

  1435.                     case kEngineControlEventTypeNull:

  1436.                         break;

  1437. 

  1438.                     case kEngineControlEventTypeParameter:

  1439.                     {

  1440. #ifndef BUILD_BRIDGE

  1441.                         // Control backend stuff

  1442.                         if (event.channel == pData->ctrlChannel)

  1443.                         {

  1444.                             float value;

  1445. 

  1446.                             if (MIDI_IS_CONTROL_BREATH_CONTROLLER(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_DRYWET) > 0)

  1447.                             {

  1448.                                 value = ctrlEvent.value;

  1449.                                 setDryWet(value, false, false);

  1450.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_DRYWET, 0, value);

  1451.                             }

  1452. 

  1453.                             if (MIDI_IS_CONTROL_CHANNEL_VOLUME(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_VOLUME) > 0)

  1454.                             {

  1455.                                 value = ctrlEvent.value*127.0f/100.0f;

  1456.                                 setVolume(value, false, false);

  1457.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_VOLUME, 0, value);

  1458.                             }

  1459. 

  1460.                             if (MIDI_IS_CONTROL_BALANCE(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_BALANCE) > 0)

  1461.                             {

  1462.                                 float left, right;

  1463.                                 value = ctrlEvent.value/0.5f - 1.0f;

  1464. 

  1465.                                 if (value < 0.0f)

  1466.                                 {

  1467.                                     left  = -1.0f;

  1468.                                     right = (value*2.0f)+1.0f;

  1469.                                 }

  1470.                                 else if (value > 0.0f)

  1471.                                 {

  1472.                                     left  = (value*2.0f)-1.0f;

  1473.                                     right = 1.0f;

  1474.                                 }

  1475.                                 else

  1476.                                 {

  1477.                                     left  = -1.0f;

  1478.                                     right = 1.0f;

  1479.                                 }

  1480. 

  1481.                                 setBalanceLeft(left, false, false);

  1482.                                 setBalanceRight(right, false, false);

  1483.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_LEFT, 0, left);

  1484.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_RIGHT, 0, right);

  1485.                             }

  1486.                         }

  1487. #endif

  1488. 

  1489.                         // Control plugin parameters

  1490.                         for (uint32_t k=0; k < pData->param.count; ++k)

  1491.                         {

  1492.                             if (pData->param.data[k].midiChannel != event.channel)

  1493.                                 continue;

  1494.                             if (pData->param.data[k].midiCC != ctrlEvent.param)

  1495.                                 continue;

  1496.                             if (pData->param.data[k].type != PARAMETER_INPUT)

  1497.                                 continue;

  1498.                             if ((pData->param.data[k].hints & PARAMETER_IS_AUTOMABLE) == 0)

  1499.                                 continue;

  1500. 

  1501.                             float value;

  1502. 

  1503.                             if (pData->param.data[k].hints & PARAMETER_IS_BOOLEAN)

  1504.                             {

  1505.                                 value = (ctrlEvent.value < 0.5f) ? pData->param.ranges[k].min : pData->param.ranges[k].max;

  1506.                             }

  1507.                             else

  1508.                             {

  1509.                                 value = pData->param.ranges[k].getUnnormalizedValue(ctrlEvent.value);

  1510. 

  1511.                                 if (pData->param.data[k].hints & PARAMETER_IS_INTEGER)

  1512.                                     value = std::rint(value);

  1513.                             }

  1514. 

  1515.                             setParameterValue(k, value, false, false, false);

  1516.                             pData->postponeRtEvent(kPluginPostRtEventParameterChange, static_cast<int32_t>(k), 0, value);

  1517.                         }

  1518. 

  1519.                         if ((pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0 && ctrlEvent.param <= 0x5F)

  1520.                         {

  1521.                             if (fMidiEventCount >= kPluginMaxMidiEvents*2)

  1522.                                 continue;

  1523. 

  1524.                             fMidiEvents[fMidiEventCount].port    = 0;

  1525.                             fMidiEvents[fMidiEventCount].time    = sampleAccurate ? startTime : time;

  1526.                             fMidiEvents[fMidiEventCount].data[0] = static_cast<uint8_t>(MIDI_STATUS_CONTROL_CHANGE + event.channel);

  1527.                             fMidiEvents[fMidiEventCount].data[1] = static_cast<uint8_t>(ctrlEvent.param);

  1528.                             fMidiEvents[fMidiEventCount].data[2] = uint8_t(ctrlEvent.value*127.0f);

  1529.                             fMidiEvents[fMidiEventCount].size    = 3;

  1530. 

  1531.                             fMidiEventCount += 1;

  1532.                         }

  1533. 

  1534.                         break;

  1535.                     }

  1536. 

  1537.                     case kEngineControlEventTypeMidiBank:

  1538.                         if (event.channel == pData->ctrlChannel && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1539.                             nextBankId = ctrlEvent.param;

  1540.                         break;

  1541. 

  1542.                     case kEngineControlEventTypeMidiProgram:

  1543.                         if (event.channel < MAX_MIDI_CHANNELS && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1544.                         {

  1545.                             const uint32_t nextProgramId(ctrlEvent.param);

  1546. 

  1547.                             for (uint32_t k=0; k < pData->midiprog.count; ++k)

  1548.                             {

  1549.                                 if (pData->midiprog.data[k].bank == nextBankId && pData->midiprog.data[k].program == nextProgramId)

  1550.                                 {

  1551.                                     fDescriptor->set_midi_program(fHandle, event.channel, nextBankId, nextProgramId);

  1552. 

  1553.                                     if (fHandle2 != nullptr)

  1554.                                         fDescriptor->set_midi_program(fHandle2, event.channel, nextBankId, nextProgramId);

  1555. 

  1556.                                     fCurMidiProgs[event.channel] = static_cast<int32_t>(k);

  1557. 

  1558.                                     if (event.channel == pData->ctrlChannel)

  1559.                                         pData->postponeRtEvent(kPluginPostRtEventMidiProgramChange, static_cast<int32_t>(k), 0, 0.0f);

  1560. 

  1561.                                     break;

  1562.                                 }

  1563.                             }

  1564.                         }

  1565.                         break;

  1566. 

  1567.                     case kEngineControlEventTypeAllSoundOff:

  1568.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1569.                         {

  1570.                             if (fMidiEventCount >= kPluginMaxMidiEvents*2)

  1571.                                 continue;

  1572. 

  1573.                             fMidiEvents[fMidiEventCount].port    = 0;

  1574.                             fMidiEvents[fMidiEventCount].time    = sampleAccurate ? startTime : time;

  1575.                             fMidiEvents[fMidiEventCount].data[0] = static_cast<uint8_t>(MIDI_STATUS_CONTROL_CHANGE + event.channel);

  1576.                             fMidiEvents[fMidiEventCount].data[1] = MIDI_CONTROL_ALL_SOUND_OFF;

  1577.                             fMidiEvents[fMidiEventCount].data[2] = 0;

  1578.                             fMidiEvents[fMidiEventCount].size    = 3;

  1579. 

  1580.                             fMidiEventCount += 1;

  1581.                         }

  1582.                         break;

  1583. 

  1584.                     case kEngineControlEventTypeAllNotesOff:

  1585.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1586.                         {

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

  1588.                             {

  1589.                                 allNotesOffSent = true;

  1590.                                 sendMidiAllNotesOffToCallback();

  1591.                             }

  1592. 

  1593.                             if (fMidiEventCount >= kPluginMaxMidiEvents*2)

  1594.                                 continue;

  1595. 

  1596.                             fMidiEvents[fMidiEventCount].port    = 0;

  1597.                             fMidiEvents[fMidiEventCount].time    = sampleAccurate ? startTime : time;

  1598.                             fMidiEvents[fMidiEventCount].data[0] = static_cast<uint8_t>(MIDI_STATUS_CONTROL_CHANGE + event.channel);

  1599.                             fMidiEvents[fMidiEventCount].data[1] = MIDI_CONTROL_ALL_NOTES_OFF;

  1600.                             fMidiEvents[fMidiEventCount].data[2] = 0;

  1601.                             fMidiEvents[fMidiEventCount].size    = 3;

  1602. 

  1603.                             fMidiEventCount += 1;

  1604.                         }

  1605.                         break;

  1606.                     }

  1607. 

  1608.                     break;

  1609.                 }

  1610. 

  1611.                 case kEngineEventTypeMidi:

  1612.                 {

  1613.                     if (fMidiEventCount >= kPluginMaxMidiEvents*2)

  1614.                         continue;

  1615. 

  1616.                     const EngineMidiEvent& midiEvent(event.midi);

  1617. 

  1618.                     uint8_t status  = uint8_t(MIDI_GET_STATUS_FROM_DATA(midiEvent.data));

  1619.                     uint8_t channel = event.channel;

  1620. 

  1621.                     if (MIDI_IS_STATUS_CHANNEL_PRESSURE(status) && (pData->options & PLUGIN_OPTION_SEND_CHANNEL_PRESSURE) == 0)

  1622.                         continue;

  1623.                     if (MIDI_IS_STATUS_CONTROL_CHANGE(status) && (pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) == 0)

  1624.                         continue;

  1625.                     if (MIDI_IS_STATUS_POLYPHONIC_AFTERTOUCH(status) && (pData->options & PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH) == 0)

  1626.                         continue;

  1627.                     if (MIDI_IS_STATUS_PITCH_WHEEL_CONTROL(status) && (pData->options & PLUGIN_OPTION_SEND_PITCHBEND) == 0)

  1628.                         continue;

  1629. 

  1630.                     // Fix bad note-off

  1631.                     if (status == MIDI_STATUS_NOTE_ON && midiEvent.data[2] == 0)

  1632.                         status = MIDI_STATUS_NOTE_OFF;

  1633. 

  1634.                     fMidiEvents[fMidiEventCount].port = 0;

  1635.                     fMidiEvents[fMidiEventCount].time = sampleAccurate ? startTime : time;

  1636.                     fMidiEvents[fMidiEventCount].size = midiEvent.size;

  1637. 

  1638.                     fMidiEvents[fMidiEventCount].data[0] = static_cast<uint8_t>(status + channel);

  1639.                     fMidiEvents[fMidiEventCount].data[1] = midiEvent.data[1];

  1640.                     fMidiEvents[fMidiEventCount].data[2] = midiEvent.data[2];

  1641.                     fMidiEvents[fMidiEventCount].data[3] = midiEvent.data[3];

  1642. 

  1643.                     fMidiEventCount += 1;

  1644. 

  1645.                     if (status == MIDI_STATUS_NOTE_ON)

  1646.                         pData->postponeRtEvent(kPluginPostRtEventNoteOn, channel, midiEvent.data[1], midiEvent.data[2]);

  1647.                     else if (status == MIDI_STATUS_NOTE_OFF)

  1648.                         pData->postponeRtEvent(kPluginPostRtEventNoteOff, channel, midiEvent.data[1], 0.0f);

  1649. 

  1650.                     break;

  1651.                 }

  1652.                 }

  1653.             }

  1654. 

  1655.             pData->postRtEvents.trySplice();

  1656. 

  1657.             if (frames > timeOffset)

  1658.                 processSingle(inBuffer, outBuffer, frames - timeOffset, timeOffset);

  1659. 

  1660.         } // End of Event Input and Processing

  1661. 

  1662.         // --------------------------------------------------------------------------------------------------------

  1663.         // Plugin processing (no events)

  1664. 

  1665.         else

  1666.         {

  1667.             processSingle(inBuffer, outBuffer, frames, 0);

  1668. 

  1669.         } // End of Plugin processing (no events)

  1670. 

  1671.         CARLA_PROCESS_CONTINUE_CHECK;

  1672. 

  1673.         // --------------------------------------------------------------------------------------------------------

  1674.         // Control and MIDI Output

  1675. 

  1676.         if (fMidiOut.count > 0 || pData->event.portOut != nullptr)

  1677.         {

  1678.             float value, curValue;

  1679. 

  1680.             for (uint32_t k=0; k < pData->param.count; ++k)

  1681.             {

  1682.                 if (pData->param.data[k].type != PARAMETER_OUTPUT)

  1683.                     continue;

  1684. 

  1685.                 curValue = fDescriptor->get_parameter_value(fHandle, k);

  1686.                 pData->param.ranges[k].fixValue(curValue);

  1687. 

  1688.                 if (pData->param.data[k].midiCC > 0)

  1689.                 {

  1690.                     value = pData->param.ranges[k].getNormalizedValue(curValue);

  1691.                     pData->event.portOut->writeControlEvent(0, pData->param.data[k].midiChannel, kEngineControlEventTypeParameter, static_cast<uint16_t>(pData->param.data[k].midiCC), value);

  1692.                 }

  1693.             }

  1694. 

  1695.             // reverse lookup MIDI events

  1696.             for (uint32_t k = (kPluginMaxMidiEvents*2)-1; k >= fMidiEventCount; --k)

  1697.             {

  1698.                 if (fMidiEvents[k].data[0] == 0)

  1699.                     break;

  1700. 

  1701.                 const uint8_t channel = uint8_t(MIDI_GET_CHANNEL_FROM_DATA(fMidiEvents[k].data));

  1702.                 const uint8_t port    = fMidiEvents[k].port;

  1703. 

  1704.                 if (pData->event.portOut != nullptr)

  1705.                     pData->event.portOut->writeMidiEvent(fMidiEvents[k].time, channel, port, fMidiEvents[k].size, fMidiEvents[k].data);

  1706.                 else if (port < fMidiOut.count)

  1707.                     fMidiOut.ports[port]->writeMidiEvent(fMidiEvents[k].time, channel, port, fMidiEvents[k].size, fMidiEvents[k].data);

  1708.             }

  1709. 

  1710.         } // End of Control and MIDI Output

  1711.     }

  1712. 

  1713.     bool processSingle(float** const inBuffer, float** const outBuffer, const uint32_t frames, const uint32_t timeOffset)

  1714.     {

  1715.         CARLA_ASSERT(frames > 0);

  1716. 

  1717.         if (frames == 0)

  1718.             return false;

  1719. 

  1720.         if (pData->audioIn.count > 0)

  1721.         {

  1722.             CARLA_ASSERT(inBuffer != nullptr);

  1723.             if (inBuffer == nullptr)

  1724.                 return false;

  1725.         }

  1726.         if (pData->audioOut.count > 0)

  1727.         {

  1728.             CARLA_ASSERT(outBuffer != nullptr);

  1729.             if (outBuffer == nullptr)

  1730.                 return false;

  1731.         }

  1732. 

  1733.         uint32_t i, k;

  1734. 

  1735.         // --------------------------------------------------------------------------------------------------------

  1736.         // Try lock, silence otherwise

  1737. 

  1738.         if (pData->engine->isOffline())

  1739.         {

  1740.             pData->singleMutex.lock();

  1741.         }

  1742.         else if (! pData->singleMutex.tryLock())

  1743.         {

  1744.             for (i=0; i < pData->audioOut.count; ++i)

  1745.             {

  1746.                 for (k=0; k < frames; ++k)

  1747.                     outBuffer[i][k+timeOffset] = 0.0f;

  1748.             }

  1749. 

  1750.             return false;

  1751.         }

  1752. 

  1753.         // --------------------------------------------------------------------------------------------------------

  1754.         // Reset audio buffers

  1755. 

  1756.         for (i=0; i < pData->audioIn.count; ++i)

  1757.             FLOAT_COPY(fAudioInBuffers[i], inBuffer[i]+timeOffset, frames);

  1758. 

  1759.         for (i=0; i < pData->audioOut.count; ++i)

  1760.             FLOAT_CLEAR(fAudioOutBuffers[i], frames);

  1761. 

  1762.         // --------------------------------------------------------------------------------------------------------

  1763.         // Run plugin

  1764. 

  1765.         fIsProcessing = true;

  1766. 

  1767.         if (fHandle2 == nullptr)

  1768.         {

  1769.             fDescriptor->process(fHandle, fAudioInBuffers, fAudioOutBuffers, frames, fMidiEvents, fMidiEventCount);

  1770.         }

  1771.         else

  1772.         {

  1773.             fDescriptor->process(fHandle,

  1774.                                  (pData->audioIn.count > 0) ? &fAudioInBuffers[0] : nullptr,

  1775.                                  (pData->audioOut.count > 0) ? &fAudioOutBuffers[0] : nullptr,

  1776.                                  frames, fMidiEvents, fMidiEventCount);

  1777. 

  1778.             fDescriptor->process(fHandle2,

  1779.                                  (pData->audioIn.count > 0) ? &fAudioInBuffers[1] : nullptr,

  1780.                                  (pData->audioOut.count > 0) ? &fAudioOutBuffers[1] : nullptr,

  1781.                                  frames, fMidiEvents, fMidiEventCount);

  1782.         }

  1783. 

  1784.         fIsProcessing = false;

  1785.         fTimeInfo.frame += frames;

  1786. 

  1787. #ifndef BUILD_BRIDGE

  1788.         // --------------------------------------------------------------------------------------------------------

  1789.         // Post-processing (dry/wet, volume and balance)

  1790. 

  1791.         {

  1792.             const bool doDryWet  = (pData->hints & PLUGIN_CAN_DRYWET) != 0 && pData->postProc.dryWet != 1.0f;

  1793.             const bool doBalance = (pData->hints & PLUGIN_CAN_BALANCE) != 0 && (pData->postProc.balanceLeft != -1.0f || pData->postProc.balanceRight != 1.0f);

  1794. 

  1795.             bool isPair;

  1796.             float bufValue, oldBufLeft[doBalance ? frames : 1];

  1797. 

  1798.             for (i=0; i < pData->audioOut.count; ++i)

  1799.             {

  1800.                 // Dry/Wet

  1801.                 if (doDryWet)

  1802.                 {

  1803.                     for (k=0; k < frames; ++k)

  1804.                     {

  1805.                         bufValue = fAudioInBuffers[(pData->audioIn.count == 1) ? 0 : i][k];

  1806.                         fAudioOutBuffers[i][k] = (fAudioOutBuffers[i][k] * pData->postProc.dryWet) + (bufValue * (1.0f - pData->postProc.dryWet));

  1807.                     }

  1808.                 }

  1809. 

  1810.                 // Balance

  1811.                 if (doBalance)

  1812.                 {

  1813.                     isPair = (i % 2 == 0);

  1814. 

  1815.                     if (isPair)

  1816.                     {

  1817.                         CARLA_ASSERT(i+1 < pData->audioOut.count);

  1818.                         FLOAT_COPY(oldBufLeft, fAudioOutBuffers[i], frames);

  1819.                     }

  1820. 

  1821.                     float balRangeL = (pData->postProc.balanceLeft  + 1.0f)/2.0f;

  1822.                     float balRangeR = (pData->postProc.balanceRight + 1.0f)/2.0f;

  1823. 

  1824.                     for (k=0; k < frames; ++k)

  1825.                     {

  1826.                         if (isPair)

  1827.                         {

  1828.                             // left

  1829.                             fAudioOutBuffers[i][k]  = oldBufLeft[k]            * (1.0f - balRangeL);

  1830.                             fAudioOutBuffers[i][k] += fAudioOutBuffers[i+1][k] * (1.0f - balRangeR);

  1831.                         }

  1832.                         else

  1833.                         {

  1834.                             // right

  1835.                             fAudioOutBuffers[i][k]  = fAudioOutBuffers[i][k] * balRangeR;

  1836.                             fAudioOutBuffers[i][k] += oldBufLeft[k]          * balRangeL;

  1837.                         }

  1838.                     }

  1839.                 }

  1840. 

  1841.                 // Volume (and buffer copy)

  1842.                 {

  1843.                     for (k=0; k < frames; ++k)

  1844.                         outBuffer[i][k+timeOffset] = fAudioOutBuffers[i][k] * pData->postProc.volume;

  1845.                 }

  1846.             }

  1847. 

  1848.         } // End of Post-processing

  1849. #else

  1850.         for (i=0; i < pData->audioOut.count; ++i)

  1851.         {

  1852.             for (k=0; k < frames; ++k)

  1853.                 outBuffer[i][k+timeOffset] = fAudioOutBuffers[i][k];

  1854.         }

  1855. #endif

  1856. 

  1857.         // --------------------------------------------------------------------------------------------------------

  1858. 

  1859.         pData->singleMutex.unlock();

  1860.         return true;

  1861.     }

  1862. 

  1863.     void bufferSizeChanged(const uint32_t newBufferSize) override

  1864.     {

  1865.         CARLA_ASSERT_INT(newBufferSize > 0, newBufferSize);

  1866.         carla_debug("NativePlugin::bufferSizeChanged(%i)", newBufferSize);

  1867. 

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

  1869.         {

  1870.             if (fAudioInBuffers[i] != nullptr)

  1871.                 delete[] fAudioInBuffers[i];

  1872.             fAudioInBuffers[i] = new float[newBufferSize];

  1873.         }

  1874. 

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

  1876.         {

  1877.             if (fAudioOutBuffers[i] != nullptr)

  1878.                 delete[] fAudioOutBuffers[i];

  1879.             fAudioOutBuffers[i] = new float[newBufferSize];

  1880.         }

  1881. 

  1882.         if (fDescriptor != nullptr && fDescriptor->dispatcher != nullptr)

  1883.         {

  1884.             fDescriptor->dispatcher(fHandle, PLUGIN_OPCODE_BUFFER_SIZE_CHANGED, 0, static_cast<intptr_t>(newBufferSize), nullptr, 0.0f);

  1885. 

  1886.             if (fHandle2 != nullptr)

  1887.                 fDescriptor->dispatcher(fHandle2, PLUGIN_OPCODE_BUFFER_SIZE_CHANGED, 0, static_cast<intptr_t>(newBufferSize), nullptr, 0.0f);

  1888.         }

  1889.     }

  1890. 

  1891.     void sampleRateChanged(const double newSampleRate) override

  1892.     {

  1893.         CARLA_ASSERT_INT(newSampleRate > 0.0, newSampleRate);

  1894.         carla_debug("NativePlugin::sampleRateChanged(%g)", newSampleRate);

  1895. 

  1896.         if (fDescriptor != nullptr && fDescriptor->dispatcher != nullptr)

  1897.         {

  1898.             fDescriptor->dispatcher(fHandle, PLUGIN_OPCODE_SAMPLE_RATE_CHANGED, 0, 0, nullptr, float(newSampleRate));

  1899. 

  1900.             if (fHandle2 != nullptr)

  1901.                 fDescriptor->dispatcher(fHandle2, PLUGIN_OPCODE_SAMPLE_RATE_CHANGED, 0, 0, nullptr, float(newSampleRate));

  1902.         }

  1903.     }

  1904. 

  1905.     void offlineModeChanged(const bool isOffline) override

  1906.     {

  1907.         if (fDescriptor != nullptr && fDescriptor->dispatcher != nullptr)

  1908.         {

  1909.             fDescriptor->dispatcher(fHandle, PLUGIN_OPCODE_OFFLINE_CHANGED, 0, isOffline ? 1 : 0, nullptr, 0.0f);

  1910. 

  1911.             if (fHandle2 != nullptr)

  1912.                 fDescriptor->dispatcher(fHandle2, PLUGIN_OPCODE_OFFLINE_CHANGED, 0, isOffline ? 1 : 0, nullptr, 0.0f);

  1913.         }

  1914.     }

  1915. 

  1916.     // -------------------------------------------------------------------

  1917.     // Plugin buffers

  1918. 

  1919.     void initBuffers() override

  1920.     {

  1921.         fMidiIn.initBuffers();

  1922.         fMidiOut.initBuffers();

  1923. 

  1924.         CarlaPlugin::initBuffers();

  1925.     }

  1926. 

  1927.     void clearBuffers() override

  1928.     {

  1929.         carla_debug("NativePlugin::clearBuffers() - start");

  1930. 

  1931.         if (fAudioInBuffers != nullptr)

  1932.         {

  1933.             for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1934.             {

  1935.                 if (fAudioInBuffers[i] != nullptr)

  1936.                 {

  1937.                     delete[] fAudioInBuffers[i];

  1938.                     fAudioInBuffers[i] = nullptr;

  1939.                 }

  1940.             }

  1941. 

  1942.             delete[] fAudioInBuffers;

  1943.             fAudioInBuffers = nullptr;

  1944.         }

  1945. 

  1946.         if (fAudioOutBuffers != nullptr)

  1947.         {

  1948.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1949.             {

  1950.                 if (fAudioOutBuffers[i] != nullptr)

  1951.                 {

  1952.                     delete[] fAudioOutBuffers[i];

  1953.                     fAudioOutBuffers[i] = nullptr;

  1954.                 }

  1955.             }

  1956. 

  1957.             delete[] fAudioOutBuffers;

  1958.             fAudioOutBuffers = nullptr;

  1959.         }

  1960. 

  1961.         fMidiIn.clear();

  1962.         fMidiOut.clear();

  1963. 

  1964.         CarlaPlugin::clearBuffers();

  1965. 

  1966.         carla_debug("NativePlugin::clearBuffers() - end");

  1967.     }

  1968. 

  1969.     // -------------------------------------------------------------------

  1970.     // Post-poned UI Stuff

  1971. 

  1972.     void uiParameterChange(const uint32_t index, const float value) noexcept override

  1973.     {

  1974.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1975.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  1976.         CARLA_SAFE_ASSERT_RETURN(index < pData->param.count,);

  1977. 

  1978.         if (! fIsUiVisible)

  1979.             return;

  1980. 

  1981.         if (fDescriptor->ui_set_parameter_value != nullptr)

  1982.             fDescriptor->ui_set_parameter_value(fHandle, index, value);

  1983.     }

  1984. 

  1985.     void uiMidiProgramChange(const uint32_t index) noexcept override

  1986.     {

  1987.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1988.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  1989.         CARLA_SAFE_ASSERT_RETURN(index < pData->midiprog.count,);

  1990. 

  1991.         if (! fIsUiVisible)

  1992.             return;

  1993.         if (index >= pData->midiprog.count)

  1994.             return;

  1995. 

  1996.         if (fDescriptor->ui_set_midi_program != nullptr)

  1997.             fDescriptor->ui_set_midi_program(fHandle, 0, pData->midiprog.data[index].bank, pData->midiprog.data[index].program);

  1998.     }

  1999. 

  2000.     void uiNoteOn(const uint8_t channel, const uint8_t note, const uint8_t velo) noexcept override

  2001.     {

  2002.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  2003.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  2004.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2005.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2006.         CARLA_SAFE_ASSERT_RETURN(velo > 0 && velo < MAX_MIDI_VALUE,);

  2007. 

  2008.         if (! fIsUiVisible)

  2009.             return;

  2010. 

  2011.         // TODO

  2012.     }

  2013. 

  2014.     void uiNoteOff(const uint8_t channel, const uint8_t note) noexcept override

  2015.     {

  2016.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  2017.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  2018.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2019.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2020. 

  2021.         if (! fIsUiVisible)

  2022.             return;

  2023.         if (fDescriptor == nullptr || fHandle == nullptr)

  2024.             return;

  2025. 

  2026.         // TODO

  2027.     }

  2028. 

  2029.     // -------------------------------------------------------------------

  2030. 

  2031. protected:

  2032.     uint32_t handleGetBufferSize() const noexcept

  2033.     {

  2034.         return pData->engine->getBufferSize();

  2035.     }

  2036. 

  2037.     double handleGetSampleRate() const noexcept

  2038.     {

  2039.         return pData->engine->getSampleRate();

  2040.     }

  2041. 

  2042.     bool handleIsOffline() const noexcept

  2043.     {

  2044.         return pData->engine->isOffline();

  2045.     }

  2046. 

  2047.     const NativeTimeInfo* handleGetTimeInfo() const noexcept

  2048.     {

  2049.         CARLA_SAFE_ASSERT_RETURN(fIsProcessing, nullptr);

  2050. 

  2051.         return &fTimeInfo;

  2052.     }

  2053. 

  2054.     bool handleWriteMidiEvent(const NativeMidiEvent* const event)

  2055.     {

  2056.         CARLA_ASSERT(pData->enabled);

  2057.         CARLA_ASSERT(fIsProcessing);

  2058.         CARLA_ASSERT(fMidiOut.count > 0 || pData->event.portOut != nullptr);

  2059.         CARLA_ASSERT(event != nullptr);

  2060.         CARLA_ASSERT(event->data[0] != 0);

  2061. 

  2062.         if (! pData->enabled)

  2063.             return false;

  2064.         if (fMidiOut.count == 0)

  2065.             return false;

  2066.         if (event == nullptr)

  2067.             return false;

  2068.         if (event->data[0] == 0)

  2069.             return false;

  2070.         if (! fIsProcessing)

  2071.         {

  2072.             carla_stderr2("NativePlugin::handleWriteMidiEvent(%p) - received MIDI out event outside audio thread, ignoring", event);

  2073.             return false;

  2074.         }

  2075. 

  2076.         // reverse-find first free event, and put it there

  2077.         for (uint32_t i=(kPluginMaxMidiEvents*2)-1; i > fMidiEventCount; --i)

  2078.         {

  2079.             if (fMidiEvents[i].data[0] == 0)

  2080.             {

  2081.                 std::memcpy(&fMidiEvents[i], event, sizeof(NativeMidiEvent));

  2082.                 return true;

  2083.             }

  2084.         }

  2085. 

  2086.         return false;

  2087.     }

  2088. 

  2089.     void handleUiParameterChanged(const uint32_t index, const float value)

  2090.     {

  2091.         setParameterValue(index, value, false, true, true);

  2092.     }

  2093. 

  2094.     void handleUiCustomDataChanged(const char* const key, const char* const value)

  2095.     {

  2096.         setCustomData(CUSTOM_DATA_TYPE_STRING, key, value, false);

  2097.     }

  2098. 

  2099.     void handleUiClosed()

  2100.     {

  2101.         pData->engine->callback(ENGINE_CALLBACK_UI_STATE_CHANGED, pData->id, 0, 0, 0.0f, nullptr);

  2102.         fIsUiVisible = false;

  2103.     }

  2104. 

  2105.     const char* handleUiOpenFile(const bool isDir, const char* const title, const char* const filter)

  2106.     {

  2107.         return pData->engine->runFileCallback(FILE_CALLBACK_OPEN, isDir, title, filter);

  2108.     }

  2109. 

  2110.     const char* handleUiSaveFile(const bool isDir, const char* const title, const char* const filter)

  2111.     {

  2112.         return pData->engine->runFileCallback(FILE_CALLBACK_SAVE, isDir, title, filter);

  2113.     }

  2114. 

  2115.     intptr_t handleDispatcher(const NativeHostDispatcherOpcode opcode, const int32_t index, const intptr_t value, void* const ptr, const float opt)

  2116.     {

  2117.         carla_debug("NativePlugin::handleDispatcher(%i, %i, " P_INTPTR ", %p, %f)", opcode, index, value, ptr, opt);

  2118. 

  2119.         intptr_t ret = 0;

  2120. 

  2121.         switch (opcode)

  2122.         {

  2123.         case ::HOST_OPCODE_NULL:

  2124.             break;

  2125. #ifdef BUILD_BRIDGE

  2126.         case ::HOST_OPCODE_SET_VOLUME:

  2127.         case ::HOST_OPCODE_SET_DRYWET:

  2128.         case ::HOST_OPCODE_SET_BALANCE_LEFT:

  2129.         case ::HOST_OPCODE_SET_BALANCE_RIGHT:

  2130.         case ::HOST_OPCODE_SET_PANNING:

  2131.             break;

  2132. #else

  2133.         case ::HOST_OPCODE_SET_VOLUME:

  2134.             setVolume(opt, true, true);

  2135.             break;

  2136.         case ::HOST_OPCODE_SET_DRYWET:

  2137.             setDryWet(opt, true, true);

  2138.             break;

  2139.         case ::HOST_OPCODE_SET_BALANCE_LEFT:

  2140.             setBalanceLeft(opt, true, true);

  2141.             break;

  2142.         case ::HOST_OPCODE_SET_BALANCE_RIGHT:

  2143.             setBalanceRight(opt, true, true);

  2144.             break;

  2145.         case ::HOST_OPCODE_SET_PANNING:

  2146.             setPanning(opt, true, true);

  2147.             break;

  2148. #endif

  2149.         case HOST_OPCODE_GET_PARAMETER_MIDI_CC:

  2150.         case HOST_OPCODE_SET_PARAMETER_MIDI_CC:

  2151.             // TODO

  2152.             break;

  2153.         case ::HOST_OPCODE_SET_PROCESS_PRECISION:

  2154.             // TODO

  2155.             break;

  2156.         case ::HOST_OPCODE_UPDATE_PARAMETER:

  2157.             // TODO

  2158.             pData->engine->callback(ENGINE_CALLBACK_UPDATE, pData->id, -1, 0, 0.0f, nullptr);

  2159.             break;

  2160.         case ::HOST_OPCODE_UPDATE_MIDI_PROGRAM:

  2161.             // TODO

  2162.             pData->engine->callback(ENGINE_CALLBACK_UPDATE, pData->id, -1, 0, 0.0f, nullptr);

  2163.             break;

  2164.         case ::HOST_OPCODE_RELOAD_PARAMETERS:

  2165.             reload(); // FIXME

  2166.             pData->engine->callback(ENGINE_CALLBACK_RELOAD_PARAMETERS, pData->id, -1, 0, 0.0f, nullptr);

  2167.             break;

  2168.         case ::HOST_OPCODE_RELOAD_MIDI_PROGRAMS:

  2169.             reloadPrograms(false);

  2170.             pData->engine->callback(ENGINE_CALLBACK_RELOAD_PROGRAMS, pData->id, -1, 0, 0.0f, nullptr);

  2171.             break;

  2172.         case ::HOST_OPCODE_RELOAD_ALL:

  2173.             reload();

  2174.             pData->engine->callback(ENGINE_CALLBACK_RELOAD_ALL, pData->id, -1, 0, 0.0f, nullptr);

  2175.             break;

  2176.         case HOST_OPCODE_UI_UNAVAILABLE:

  2177.             pData->engine->callback(ENGINE_CALLBACK_UI_STATE_CHANGED, pData->id, -1, 0, 0.0f, nullptr);

  2178.             break;

  2179.         }

  2180. 

  2181.         return ret;

  2182. 

  2183.         // unused for now

  2184.         (void)index;

  2185.         (void)value;

  2186.         (void)ptr;

  2187.         (void)opt;

  2188.     }

  2189. 

  2190.     // -------------------------------------------------------------------

  2191. 

  2192. public:

  2193.     static size_t getPluginCount() noexcept

  2194.     {

  2195.         return gPluginDescriptors.count();

  2196.     }

  2197. 

  2198.     static const NativePluginDescriptor* getPluginDescriptor(const size_t index) noexcept

  2199.     {

  2200.         CARLA_SAFE_ASSERT_RETURN(index < gPluginDescriptors.count(), nullptr);

  2201. 

  2202.         return gPluginDescriptors.getAt(index);

  2203.     }

  2204. 

  2205.     // -------------------------------------------------------------------

  2206. 

  2207.     bool init(const char* const name, const char* const label)

  2208.     {

  2209.         CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr, false);

  2210. 

  2211.         // ---------------------------------------------------------------

  2212.         // first checks

  2213. 

  2214.         if (pData->client != nullptr)

  2215.         {

  2216.             pData->engine->setLastError("Plugin client is already registered");

  2217.             return false;

  2218.         }

  2219. 

  2220.         if (label == nullptr && label[0] != '\0')

  2221.         {

  2222.             pData->engine->setLastError("null label");

  2223.             return false;

  2224.         }

  2225. 

  2226.         // ---------------------------------------------------------------

  2227.         // get descriptor that matches label

  2228. 

  2229.         for (LinkedList<const NativePluginDescriptor*>::Itenerator it = gPluginDescriptors.begin(); it.valid(); it.next())

  2230.         {

  2231.             fDescriptor = it.getValue();

  2232. 

  2233.             CARLA_SAFE_ASSERT_BREAK(fDescriptor != nullptr);

  2234. 

  2235.             carla_debug("Check vs \"%s\"", fDescriptor->label);

  2236. 

  2237.             if (fDescriptor->label != nullptr && std::strcmp(fDescriptor->label, label) == 0)

  2238.                 break;

  2239. 

  2240.             fDescriptor = nullptr;

  2241.         }

  2242. 

  2243.         if (fDescriptor == nullptr)

  2244.         {

  2245.             pData->engine->setLastError("Invalid internal plugin");

  2246.             return false;

  2247.         }

  2248. 

  2249.         // ---------------------------------------------------------------

  2250.         // set icon

  2251. 

  2252.         if (std::strcmp(fDescriptor->label, "audiofile") == 0)

  2253.             pData->iconName = carla_strdup("file");

  2254.         else if (std::strcmp(fDescriptor->label, "midifile") == 0)

  2255.             pData->iconName = carla_strdup("file");

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

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

  2258. 

  2259.         else if (std::strcmp(fDescriptor->label, "3BandEQ") == 0)

  2260.             pData->iconName = carla_strdup("distrho");

  2261.         else if (std::strcmp(fDescriptor->label, "3BandSplitter") == 0)

  2262.             pData->iconName = carla_strdup("distrho");

  2263.         else if (std::strcmp(fDescriptor->label, "Nekobi") == 0)

  2264.             pData->iconName = carla_strdup("distrho");

  2265.         else if (std::strcmp(fDescriptor->label, "Notes") == 0)

  2266.             pData->iconName = carla_strdup("distrho");

  2267.         else if (std::strcmp(fDescriptor->label, "PingPongPan") == 0)

  2268.             pData->iconName = carla_strdup("distrho");

  2269.         else if (std::strcmp(fDescriptor->label, "StereoEnhancer") == 0)

  2270.             pData->iconName = carla_strdup("distrho");

  2271. 

  2272.         // ---------------------------------------------------------------

  2273.         // get info

  2274. 

  2275.         if (name != nullptr && name[0] != '\0')

  2276.             pData->name = pData->engine->getUniquePluginName(name);

  2277.         else if (fDescriptor->name != nullptr && fDescriptor->name[0] != '\0')

  2278.             pData->name = pData->engine->getUniquePluginName(fDescriptor->name);

  2279.         else

  2280.             pData->name = pData->engine->getUniquePluginName(label);

  2281. 

  2282.         {

  2283.             CARLA_ASSERT(fHost.uiName == nullptr);

  2284. 

  2285.             char uiName[std::strlen(pData->name)+6+1];

  2286.             std::strcpy(uiName, pData->name);

  2287.             std::strcat(uiName, " (GUI)");

  2288. 

  2289.             fHost.uiName = carla_strdup(uiName);

  2290.         }

  2291. 

  2292.         // ---------------------------------------------------------------

  2293.         // register client

  2294. 

  2295.         pData->client = pData->engine->addClient(this);

  2296. 

  2297.         if (pData->client == nullptr || ! pData->client->isOk())

  2298.         {

  2299.             pData->engine->setLastError("Failed to register plugin client");

  2300.             return false;

  2301.         }

  2302. 

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

  2304.         // initialize plugin

  2305. 

  2306.         fHandle = fDescriptor->instantiate(&fHost);

  2307. 

  2308.         if (fHandle == nullptr)

  2309.         {

  2310.             pData->engine->setLastError("Plugin failed to initialize");

  2311.             return false;

  2312.         }

  2313. 

  2314.         // ---------------------------------------------------------------

  2315.         // load plugin settings

  2316. 

  2317.         {

  2318.             const bool hasMidiProgs(fDescriptor->get_midi_program_count != nullptr && fDescriptor->get_midi_program_count(fHandle) > 0);

  2319. 

  2320.             // set default options

  2321.             pData->options = 0x0;

  2322. 

  2323.             if (hasMidiProgs && (fDescriptor->supports & ::PLUGIN_SUPPORTS_PROGRAM_CHANGES) == 0)

  2324.                 pData->options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  2325. 

  2326.             if (getMidiInCount() > 0 || (fDescriptor->hints & ::PLUGIN_NEEDS_FIXED_BUFFERS) != 0)

  2327.                 pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;

  2328. 

  2329.             if (pData->engine->getOptions().forceStereo)

  2330.                 pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  2331. 

  2332.             if (fDescriptor->supports & ::PLUGIN_SUPPORTS_CHANNEL_PRESSURE)

  2333.                 pData->options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  2334.             if (fDescriptor->supports & ::PLUGIN_SUPPORTS_NOTE_AFTERTOUCH)

  2335.                 pData->options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  2336.             if (fDescriptor->supports & ::PLUGIN_SUPPORTS_PITCHBEND)

  2337.                 pData->options |= PLUGIN_OPTION_SEND_PITCHBEND;

  2338.             if (fDescriptor->supports & ::PLUGIN_SUPPORTS_ALL_SOUND_OFF)

  2339.                 pData->options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  2340. 

  2341.             // set identifier string

  2342.             CarlaString identifier("Native/");

  2343.             identifier += label;

  2344.             pData->identifier = identifier.dup();

  2345. 

  2346.             // load settings

  2347.             pData->options = pData->loadSettings(pData->options, getOptionsAvailable());

  2348. 

  2349.             // ignore settings, we need this anyway

  2350.             if (getMidiInCount() > 0 || (fDescriptor->hints & ::PLUGIN_NEEDS_FIXED_BUFFERS) != 0)

  2351.                 pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;

  2352.         }

  2353. 

  2354.         return true;

  2355.     }

  2356. 

  2357. 

  2358. private:

  2359.     NativePluginHandle   fHandle;

  2360.     NativePluginHandle   fHandle2;

  2361.     NativeHostDescriptor fHost;

  2362.     const NativePluginDescriptor* fDescriptor;

  2363. 

  2364.     bool fIsProcessing;

  2365.     bool fIsUiVisible;

  2366. 

  2367.     float**         fAudioInBuffers;

  2368.     float**         fAudioOutBuffers;

  2369.     uint32_t        fMidiEventCount;

  2370.     NativeMidiEvent fMidiEvents[kPluginMaxMidiEvents*2];

  2371. 

  2372.     int32_t fCurMidiProgs[MAX_MIDI_CHANNELS];

  2373. 

  2374.     NativePluginMidiData fMidiIn;

  2375.     NativePluginMidiData fMidiOut;

  2376. 

  2377.     NativeTimeInfo fTimeInfo;

  2378. 

  2379.     // -------------------------------------------------------------------

  2380. 

  2381.     #define handlePtr ((NativePlugin*)handle)

  2382. 

  2383.     static uint32_t carla_host_get_buffer_size(NativeHostHandle handle) noexcept

  2384.     {

  2385.         return handlePtr->handleGetBufferSize();

  2386.     }

  2387. 

  2388.     static double carla_host_get_sample_rate(NativeHostHandle handle) noexcept

  2389.     {

  2390.         return handlePtr->handleGetSampleRate();

  2391.     }

  2392. 

  2393.     static bool carla_host_is_offline(NativeHostHandle handle) noexcept

  2394.     {

  2395.         return handlePtr->handleIsOffline();

  2396.     }

  2397. 

  2398.     static const NativeTimeInfo* carla_host_get_time_info(NativeHostHandle handle) noexcept

  2399.     {

  2400.         return handlePtr->handleGetTimeInfo();

  2401.     }

  2402. 

  2403.     static bool carla_host_write_midi_event(NativeHostHandle handle, const NativeMidiEvent* event)

  2404.     {

  2405.         return handlePtr->handleWriteMidiEvent(event);

  2406.     }

  2407. 

  2408.     static void carla_host_ui_parameter_changed(NativeHostHandle handle, uint32_t index, float value)

  2409.     {

  2410.         handlePtr->handleUiParameterChanged(index, value);

  2411.     }

  2412. 

  2413.     static void carla_host_ui_custom_data_changed(NativeHostHandle handle, const char* key, const char* value)

  2414.     {

  2415.         handlePtr->handleUiCustomDataChanged(key, value);

  2416.     }

  2417. 

  2418.     static void carla_host_ui_closed(NativeHostHandle handle)

  2419.     {

  2420.         handlePtr->handleUiClosed();

  2421.     }

  2422. 

  2423.     static const char* carla_host_ui_open_file(NativeHostHandle handle, bool isDir, const char* title, const char* filter)

  2424.     {

  2425.         return handlePtr->handleUiOpenFile(isDir, title, filter);

  2426.     }

  2427. 

  2428.     static const char* carla_host_ui_save_file(NativeHostHandle handle, bool isDir, const char* title, const char* filter)

  2429.     {

  2430.         return handlePtr->handleUiSaveFile(isDir, title, filter);

  2431.     }

  2432. 

  2433.     static intptr_t carla_host_dispatcher(NativeHostHandle handle, NativeHostDispatcherOpcode opcode, int32_t index, intptr_t value, void* ptr, float opt)

  2434.     {

  2435.         return handlePtr->handleDispatcher(opcode, index, value, ptr, opt);

  2436.     }

  2437. 

  2438.     #undef handlePtr

  2439. 

  2440.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(NativePlugin)

  2441. };

  2442. 

  2443. CARLA_BACKEND_END_NAMESPACE

  2444. 

  2445. #endif // WANT_NATIVE

  2446. 

  2447. // -----------------------------------------------------------------------

  2448. 

  2449. CARLA_BACKEND_START_NAMESPACE

  2450. 

  2451. #ifdef WANT_NATIVE

  2452. size_t CarlaPlugin::getNativePluginCount() noexcept

  2453. {

  2454.     return NativePlugin::getPluginCount();

  2455. }

  2456. 

  2457. const NativePluginDescriptor* CarlaPlugin::getNativePluginDescriptor(const size_t index) noexcept

  2458. {

  2459.     return NativePlugin::getPluginDescriptor(index);

  2460. }

  2461. #endif

  2462. 

  2463. // -----------------------------------------------------------------------

  2464. 

  2465. CarlaPlugin* CarlaPlugin::newNative(const Initializer& init)

  2466. {

  2467.     carla_debug("CarlaPlugin::newNative({%p, \"%s\", \"%s\", \"%s\", " P_INT64 "})", init.engine, init.filename, init.name, init.label, init.uniqueId);

  2468. 

  2469. #ifdef WANT_NATIVE

  2470.     NativePlugin* const plugin(new NativePlugin(init.engine, init.id));

  2471. 

  2472.     if (! plugin->init(init.name, init.label))

  2473.     {

  2474.         delete plugin;

  2475.         return nullptr;

  2476.     }

  2477. 

  2478.     plugin->reload();

  2479. 

  2480.     if (init.engine->getProccessMode() == ENGINE_PROCESS_MODE_CONTINUOUS_RACK && ! plugin->canRunInRack())

  2481.     {

  2482.         init.engine->setLastError("Carla's rack mode can only work with Mono or Stereo Internal plugins, sorry!");

  2483.         delete plugin;

  2484.         return nullptr;

  2485.     }

  2486. 

  2487.     return plugin;

  2488. #else

  2489.     init.engine->setLastError("Internal plugins support not available");

  2490.     return nullptr;

  2491. #endif

  2492. }

  2493. 

  2494. CARLA_BACKEND_END_NAMESPACE

  2495. 

  2496. // -----------------------------------------------------------------------