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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() noexcept

  51.         : count(0),

  52.           indexes(nullptr),

  53.           ports(nullptr) {}

  54. 

  55.     ~NativePluginMidiData() noexcept

  56.     {

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

  58.         CARLA_SAFE_ASSERT(indexes == nullptr);

  59.         CARLA_SAFE_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.         indexes = new uint32_t[newCount];

  70.         ports   = new CarlaEngineEventPort*[newCount];

  71.         count   = newCount;

  72. 

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

  74.             indexes[i] = 0;

  75. 

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

  77.             ports[i] = nullptr;

  78.     }

  79. 

  80.     void clear() noexcept

  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() const noexcept

  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 uint 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.     uint 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.         uint 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. 

  337.         // FIXME - try

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

  339.         {

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

  341. 

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

  343.             return scalePoint->value;

  344.         }

  345. 

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

  347.         return 0.0f;

  348.     }

  349. 

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

  351.     {

  352.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  353. 

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

  355.         {

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

  357.             return;

  358.         }

  359. 

  360.         CarlaPlugin::getLabel(strBuf);

  361.     }

  362. 

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

  364.     {

  365.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  366. 

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

  368.         {

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

  370.             return;

  371.         }

  372. 

  373.         CarlaPlugin::getMaker(strBuf);

  374.     }

  375. 

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

  377.     {

  378.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  379. 

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

  381.         {

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

  383.             return;

  384.         }

  385. 

  386.         CarlaPlugin::getCopyright(strBuf);

  387.     }

  388. 

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

  390.     {

  391.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  392. 

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

  394.         {

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

  396.             return;

  397.         }

  398. 

  399.         CarlaPlugin::getRealName(strBuf);

  400.     }

  401. 

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

  403.     {

  404.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

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

  406.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  408. 

  409.         // FIXME - try

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

  411.         {

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

  413.             {

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

  415.                 return;

  416.             }

  417. 

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

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

  420.         }

  421. 

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

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

  424.     }

  425. 

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

  427.     {

  428.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

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

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

  431.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  433. 

  434.         // FIXME - try

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

  436.         {

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

  438.             return;

  439.         }

  440. 

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

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

  443.     }

  444. 

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

  446.     {

  447.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

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

  449.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  451. 

  452.         // FIXME - try

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

  454.         {

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

  456.             {

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

  458.                 return;

  459.             }

  460. 

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

  462.         }

  463. 

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

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

  466.     }

  467. 

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

  469.     {

  470.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

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

  472.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  474. 

  475.         // FIXME - try

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

  477.         {

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

  479. 

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

  481. 

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

  483.             {

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

  485.                 return;

  486.             }

  487. 

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

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

  490.         }

  491. 

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

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

  494.     }

  495. 

  496.     // -------------------------------------------------------------------

  497.     // Set data (state)

  498. 

  499.     void prepareForSave() override

  500.     {

  501.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  502.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  503. 

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

  505.         {

  506.             char strBuf[STR_MAX+1];

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

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

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

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

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

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

  513. 

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

  515.         }

  516. 

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

  518.             return;

  519. 

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

  521.         {

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

  523.             std::free(data);

  524.         }

  525.     }

  526. 

  527.     // -------------------------------------------------------------------

  528.     // Set data (internal stuff)

  529. 

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

  531.     {

  532.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  533.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  535. 

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

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

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

  539. 

  540.         if (fHost.uiName != nullptr)

  541.             delete[] fHost.uiName;

  542.         fHost.uiName = carla_strdup(uiName);

  543. 

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

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

  546. 

  547.         CarlaPlugin::setName(newName);

  548.     }

  549. 

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

  551.     {

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

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

  554. 

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

  556.     }

  557. 

  558.     // -------------------------------------------------------------------

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

  560. 

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

  562.     {

  563.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

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

  565.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  567. 

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

  569. 

  570.         // FIXME - try

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

  572. 

  573.         if (fHandle2 != nullptr)

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

  575. 

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

  577.     }

  578. 

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

  580.     {

  581.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  582.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

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

  585.         CARLA_SAFE_ASSERT_RETURN(value != nullptr,);

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

  587. 

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

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

  590. 

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

  592.         {

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

  594.             {

  595.                 const ScopedSingleProcessLocker spl(this, true);

  596. 

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

  598. 

  599.                 if (fHandle2 != nullptr)

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

  601.             }

  602.         }

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

  604.         {

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

  606. 

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

  608.             {

  609.                 uint8_t channel = 0;

  610.                 foreach (const QString& midiProg, midiProgramList)

  611.                 {

  612.                     bool ok;

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

  614. 

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

  616.                     {

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

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

  619. 

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

  621. 

  622.                         if (fHandle2 != nullptr)

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

  624. 

  625.                         fCurMidiProgs[channel] = index;

  626. 

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

  628.                         {

  629.                             pData->midiprog.current = index;

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

  631.                         }

  632.                     }

  633. 

  634.                     ++channel;

  635.                 }

  636.             }

  637.         }

  638.         else

  639.         {

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

  641.             {

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

  643. 

  644.                 if (fHandle2 != nullptr)

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

  646.             }

  647. 

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

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

  650.         }

  651. 

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

  653.     }

  654. 

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

  656.     {

  657.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  658.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  660. 

  661.         // TODO, put into check below

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

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

  664. 

  665.         if (index >= 0)

  666.         {

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

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

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

  670. 

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

  672. 

  673.             try {

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

  675.             } catch(...) {}

  676. 

  677.             if (fHandle2 != nullptr)

  678.             {

  679.                 try {

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

  681.                 } catch(...) {}

  682.             }

  683. 

  684.             fCurMidiProgs[channel] = index;

  685.         }

  686. 

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

  688.     }

  689. 

  690.     // -------------------------------------------------------------------

  691.     // Set ui stuff

  692. 

  693.     void showCustomUI(const bool yesNo) override

  694.     {

  695.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  696.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  697. 

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

  699.             return;

  700. 

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

  702. 

  703.         if (fIsUiVisible == yesNo)

  704.             return;

  705. 

  706.         fIsUiVisible = yesNo;

  707. 

  708.         if (! yesNo)

  709.         {

  710.             pData->transientTryCounter = 0;

  711.             return;

  712.         }

  713. 

  714. #ifndef BUILD_BRIDGE

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

  716.             pData->tryTransient();

  717. #endif

  718. 

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

  720.         {

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

  722.             {

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

  724. 

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

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

  727.             }

  728.         }

  729. 

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

  731.         {

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

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

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

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

  736. 

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

  738.         }

  739. 

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

  741.         {

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

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

  744.         }

  745.     }

  746. 

  747.     void idle() override

  748.     {

  749.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  750.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  751. 

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

  753.             fDescriptor->ui_idle(fHandle);

  754. 

  755.         CarlaPlugin::idle();

  756.     }

  757. 

  758.     // -------------------------------------------------------------------

  759.     // Plugin state

  760. 

  761.     void reload() override

  762.     {

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

  764.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  765.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  767. 

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

  769. 

  770.         // Safely disable plugin for reload

  771.         const ScopedDisabler sd(this);

  772. 

  773.         if (pData->active)

  774.             deactivate();

  775. 

  776.         clearBuffers();

  777. 

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

  779. 

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

  781. 

  782.         bool forcedStereoIn, forcedStereoOut;

  783.         forcedStereoIn = forcedStereoOut = false;

  784. 

  785.         bool needsCtrlIn, needsCtrlOut;

  786.         needsCtrlIn = needsCtrlOut = false;

  787. 

  788.         aIns   = fDescriptor->audioIns;

  789.         aOuts  = fDescriptor->audioOuts;

  790.         mIns   = fDescriptor->midiIns;

  791.         mOuts  = fDescriptor->midiOuts;

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

  793. 

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

  795.         {

  796.             if (fHandle2 == nullptr)

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

  798. 

  799.             if (fHandle2 != nullptr)

  800.             {

  801.                 if (aIns == 1)

  802.                 {

  803.                     aIns = 2;

  804.                     forcedStereoIn = true;

  805.                 }

  806. 

  807.                 if (aOuts == 1)

  808.                 {

  809.                     aOuts = 2;

  810.                     forcedStereoOut = true;

  811.                 }

  812.             }

  813.         }

  814. 

  815.         if (aIns > 0)

  816.         {

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

  818.             fAudioInBuffers = new float*[aIns];

  819. 

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

  821.                 fAudioInBuffers[i] = nullptr;

  822.         }

  823. 

  824.         if (aOuts > 0)

  825.         {

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

  827.             fAudioOutBuffers = new float*[aOuts];

  828.             needsCtrlIn = true;

  829. 

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

  831.                 fAudioOutBuffers[i] = nullptr;

  832.         }

  833. 

  834.         if (mIns > 0)

  835.         {

  836.             fMidiIn.createNew(mIns);

  837.             needsCtrlIn = (mIns == 1);

  838.         }

  839. 

  840.         if (mOuts > 0)

  841.         {

  842.             fMidiOut.createNew(mOuts);

  843.             needsCtrlOut = (mOuts == 1);

  844.         }

  845. 

  846.         if (params > 0)

  847.         {

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

  849.         }

  850. 

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

  852.         CarlaString portName;

  853. 

  854.         // Audio Ins

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

  856.         {

  857.             portName.clear();

  858. 

  859.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  860.             {

  861.                 portName  = pData->name;

  862.                 portName += ":";

  863.             }

  864. 

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

  866.             {

  867.                 portName += "input_";

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

  869.             }

  870.             else

  871.                 portName += "input";

  872. 

  873.             portName.truncate(portNameSize);

  874. 

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

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

  877. 

  878.             if (forcedStereoIn)

  879.             {

  880.                 portName += "_2";

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

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

  883.                 break;

  884.             }

  885.         }

  886. 

  887.         // Audio Outs

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

  889.         {

  890.             portName.clear();

  891. 

  892.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  893.             {

  894.                 portName  = pData->name;

  895.                 portName += ":";

  896.             }

  897. 

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

  899.             {

  900.                 portName += "output_";

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

  902.             }

  903.             else

  904.                 portName += "output";

  905. 

  906.             portName.truncate(portNameSize);

  907. 

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

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

  910. 

  911.             if (forcedStereoOut)

  912.             {

  913.                 portName += "_2";

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

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

  916.                 break;

  917.             }

  918.         }

  919. 

  920.         // MIDI Input (only if multiple)

  921.         if (mIns > 1)

  922.         {

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

  924.             {

  925.                 portName.clear();

  926. 

  927.                 if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  928.                 {

  929.                     portName  = pData->name;

  930.                     portName += ":";

  931.                 }

  932. 

  933.                 portName += "midi-in_";

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

  935.                 portName.truncate(portNameSize);

  936. 

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

  938.                 fMidiIn.indexes[j] = j;

  939.             }

  940.         }

  941. 

  942.         // MIDI Output (only if multiple)

  943.         if (mOuts > 1)

  944.         {

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

  946.             {

  947.                 portName.clear();

  948. 

  949.                 if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  950.                 {

  951.                     portName  = pData->name;

  952.                     portName += ":";

  953.                 }

  954. 

  955.                 portName += "midi-out_";

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

  957.                 portName.truncate(portNameSize);

  958. 

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

  960.                 fMidiOut.indexes[j] = j;

  961.             }

  962.         }

  963. 

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

  965.         {

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

  967. 

  968.             CARLA_SAFE_ASSERT_CONTINUE(paramInfo != nullptr);

  969. 

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

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

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

  973. 

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

  975. 

  976.             // min value

  977.             min = paramInfo->ranges.min;

  978. 

  979.             // max value

  980.             max = paramInfo->ranges.max;

  981. 

  982.             if (min > max)

  983.                 max = min;

  984.             else if (max < min)

  985.                 min = max;

  986. 

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

  988.             {

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

  990.                 max = min + 0.1f;

  991.             }

  992. 

  993.             // default value

  994.             def = paramInfo->ranges.def;

  995. 

  996.             if (def < min)

  997.                 def = min;

  998.             else if (def > max)

  999.                 def = max;

  1000. 

  1001.             if (paramInfo->hints & ::PARAMETER_USES_SAMPLE_RATE)

  1002.             {

  1003.                 min *= sampleRate;

  1004.                 max *= sampleRate;

  1005.                 def *= sampleRate;

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

  1007.             }

  1008. 

  1009.             if (paramInfo->hints & ::PARAMETER_IS_BOOLEAN)

  1010.             {

  1011.                 step = max - min;

  1012.                 stepSmall = step;

  1013.                 stepLarge = step;

  1014.                 pData->param.data[j].hints |= PARAMETER_IS_BOOLEAN;

  1015.             }

  1016.             else if (paramInfo->hints & ::PARAMETER_IS_INTEGER)

  1017.             {

  1018.                 step = 1.0f;

  1019.                 stepSmall = 1.0f;

  1020.                 stepLarge = 10.0f;

  1021.                 pData->param.data[j].hints |= PARAMETER_IS_INTEGER;

  1022.             }

  1023.             else

  1024.             {

  1025.                 float range = max - min;

  1026.                 step = range/100.0f;

  1027.                 stepSmall = range/1000.0f;

  1028.                 stepLarge = range/10.0f;

  1029.             }

  1030. 

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

  1032.             {

  1033.                 pData->param.data[j].type = PARAMETER_OUTPUT;

  1034.                 needsCtrlOut = true;

  1035.             }

  1036.             else

  1037.             {

  1038.                 pData->param.data[j].type = PARAMETER_INPUT;

  1039.                 needsCtrlIn = true;

  1040.             }

  1041. 

  1042.             // extra parameter hints

  1043.             if (paramInfo->hints & ::PARAMETER_IS_ENABLED)

  1044.                 pData->param.data[j].hints |= PARAMETER_IS_ENABLED;

  1045. 

  1046.             if (paramInfo->hints & ::PARAMETER_IS_AUTOMABLE)

  1047.                 pData->param.data[j].hints |= PARAMETER_IS_AUTOMABLE;

  1048. 

  1049.             if (paramInfo->hints & ::PARAMETER_IS_LOGARITHMIC)

  1050.                 pData->param.data[j].hints |= PARAMETER_IS_LOGARITHMIC;

  1051. 

  1052.             if (paramInfo->hints & ::PARAMETER_USES_SCALEPOINTS)

  1053.                 pData->param.data[j].hints |= PARAMETER_USES_SCALEPOINTS;

  1054. 

  1055.             if (paramInfo->hints & ::PARAMETER_USES_CUSTOM_TEXT)

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

  1057. 

  1058.             pData->param.ranges[j].min = min;

  1059.             pData->param.ranges[j].max = max;

  1060.             pData->param.ranges[j].def = def;

  1061.             pData->param.ranges[j].step = step;

  1062.             pData->param.ranges[j].stepSmall = stepSmall;

  1063.             pData->param.ranges[j].stepLarge = stepLarge;

  1064.         }

  1065. 

  1066.         if (needsCtrlIn)

  1067.         {

  1068.             portName.clear();

  1069. 

  1070.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1071.             {

  1072.                 portName  = pData->name;

  1073.                 portName += ":";

  1074.             }

  1075. 

  1076.             portName += "events-in";

  1077.             portName.truncate(portNameSize);

  1078. 

  1079.             pData->event.portIn = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, true);

  1080.         }

  1081. 

  1082.         if (needsCtrlOut)

  1083.         {

  1084.             portName.clear();

  1085. 

  1086.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1087.             {

  1088.                 portName  = pData->name;

  1089.                 portName += ":";

  1090.             }

  1091. 

  1092.             portName += "events-out";

  1093.             portName.truncate(portNameSize);

  1094. 

  1095.             pData->event.portOut = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, false);

  1096.         }

  1097. 

  1098.         if (forcedStereoIn || forcedStereoOut)

  1099.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  1100.         else

  1101.             pData->options &= ~PLUGIN_OPTION_FORCE_STEREO;

  1102. 

  1103.         // plugin hints

  1104.         pData->hints = 0x0;

  1105. 

  1106.         if (aOuts > 0 && (aIns == aOuts || aIns == 1))

  1107.             pData->hints |= PLUGIN_CAN_DRYWET;

  1108. 

  1109.         if (aOuts > 0)

  1110.             pData->hints |= PLUGIN_CAN_VOLUME;

  1111. 

  1112.         if (aOuts >= 2 && aOuts % 2 == 0)

  1113.             pData->hints |= PLUGIN_CAN_BALANCE;

  1114. 

  1115.         // native plugin hints

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

  1117.             pData->hints |= PLUGIN_IS_RTSAFE;

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

  1119.             pData->hints |= PLUGIN_IS_SYNTH;

  1120.         if (fDescriptor->hints & ::PLUGIN_HAS_UI)

  1121.             pData->hints |= PLUGIN_HAS_CUSTOM_UI;

  1122.         if (fDescriptor->hints & ::PLUGIN_NEEDS_SINGLE_THREAD)

  1123.             pData->hints |= PLUGIN_NEEDS_SINGLE_THREAD;

  1124.         if (fDescriptor->hints & ::PLUGIN_NEEDS_FIXED_BUFFERS)

  1125.             pData->hints |= PLUGIN_NEEDS_FIXED_BUFFERS;

  1126. 

  1127.         // extra plugin hints

  1128.         pData->extraHints = 0x0;

  1129. 

  1130.         if (aIns <= 2 && aOuts <= 2 && (aIns == aOuts || aIns == 0 || aOuts == 0) && mIns <= 1 && mOuts <= 1)

  1131.             pData->extraHints |= PLUGIN_EXTRA_HINT_CAN_RUN_RACK;

  1132. 

  1133.         if (fDescriptor->hints & ::PLUGIN_USES_MULTI_PROGS)

  1134.             pData->extraHints |= PLUGIN_EXTRA_HINT_USES_MULTI_PROGS;

  1135. 

  1136.         bufferSizeChanged(pData->engine->getBufferSize());

  1137.         reloadPrograms(true);

  1138. 

  1139.         if (pData->active)

  1140.             activate();

  1141. 

  1142.         carla_debug("NativePlugin::reload() - end");

  1143.     }

  1144. 

  1145.     void reloadPrograms(const bool doInit) override

  1146.     {

  1147.         carla_debug("NativePlugin::reloadPrograms(%s)", bool2str(doInit));

  1148.         uint32_t i, oldCount  = pData->midiprog.count;

  1149.         const int32_t current = pData->midiprog.current;

  1150. 

  1151.         // Delete old programs

  1152.         pData->midiprog.clear();

  1153. 

  1154.         // Query new programs

  1155.         uint32_t count = 0;

  1156.         if (fDescriptor->get_midi_program_count != nullptr && fDescriptor->get_midi_program_info != nullptr && fDescriptor->set_midi_program != nullptr)

  1157.             count = fDescriptor->get_midi_program_count(fHandle);

  1158. 

  1159.         if (count > 0)

  1160.         {

  1161.             pData->midiprog.createNew(count);

  1162. 

  1163.             // Update data

  1164.             for (i=0; i < count; ++i)

  1165.             {

  1166.                 const NativeMidiProgram* const mpDesc(fDescriptor->get_midi_program_info(fHandle, i));

  1167.                 CARLA_ASSERT(mpDesc != nullptr);

  1168.                 CARLA_ASSERT(mpDesc->name != nullptr);

  1169. 

  1170.                 pData->midiprog.data[i].bank    = mpDesc->bank;

  1171.                 pData->midiprog.data[i].program = mpDesc->program;

  1172.                 pData->midiprog.data[i].name    = carla_strdup(mpDesc->name);

  1173.             }

  1174.         }

  1175. 

  1176. #ifndef BUILD_BRIDGE

  1177.         // Update OSC Names

  1178.         if (pData->engine->isOscControlRegistered())

  1179.         {

  1180.             pData->engine->oscSend_control_set_midi_program_count(pData->id, count);

  1181. 

  1182.             for (i=0; i < count; ++i)

  1183.                 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);

  1184.         }

  1185. #endif

  1186. 

  1187.         if (doInit)

  1188.         {

  1189.             if (count > 0)

  1190.                 setMidiProgram(0, false, false, false);

  1191.         }

  1192.         else

  1193.         {

  1194.             // Check if current program is invalid

  1195.             bool programChanged = false;

  1196. 

  1197.             if (count == oldCount+1)

  1198.             {

  1199.                 // one midi program added, probably created by user

  1200.                 pData->midiprog.current = static_cast<int32_t>(oldCount);

  1201.                 programChanged = true;

  1202.             }

  1203.             else if (current < 0 && count > 0)

  1204.             {

  1205.                 // programs exist now, but not before

  1206.                 pData->midiprog.current = 0;

  1207.                 programChanged = true;

  1208.             }

  1209.             else if (current >= 0 && count == 0)

  1210.             {

  1211.                 // programs existed before, but not anymore

  1212.                 pData->midiprog.current = -1;

  1213.                 programChanged = true;

  1214.             }

  1215.             else if (current >= static_cast<int32_t>(count))

  1216.             {

  1217.                 // current midi program > count

  1218.                 pData->midiprog.current = 0;

  1219.                 programChanged = true;

  1220.             }

  1221.             else

  1222.             {

  1223.                 // no change

  1224.                 pData->midiprog.current = current;

  1225.             }

  1226. 

  1227.             if (programChanged)

  1228.                 setMidiProgram(pData->midiprog.current, true, true, true);

  1229. 

  1230.             pData->engine->callback(ENGINE_CALLBACK_RELOAD_PROGRAMS, pData->id, 0, 0, 0.0f, nullptr);

  1231.         }

  1232.     }

  1233. 

  1234.     // -------------------------------------------------------------------

  1235.     // Plugin processing

  1236. 

  1237.     void activate() noexcept override

  1238.     {

  1239.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1240.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  1241. 

  1242.         if (fDescriptor->activate != nullptr)

  1243.         {

  1244.             try {

  1245.                 fDescriptor->activate(fHandle);

  1246.             } catch(...) {}

  1247. 

  1248.             if (fHandle2 != nullptr)

  1249.             {

  1250.                 try {

  1251.                     fDescriptor->activate(fHandle2);

  1252.                 } catch(...) {}

  1253.             }

  1254.         }

  1255.     }

  1256. 

  1257.     void deactivate() noexcept override

  1258.     {

  1259.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1260.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  1261. 

  1262.         if (fDescriptor->deactivate != nullptr)

  1263.         {

  1264.             try {

  1265.                 fDescriptor->deactivate(fHandle);

  1266.             } catch(...) {}

  1267. 

  1268.             if (fHandle2 != nullptr)

  1269.             {

  1270.                 try {

  1271.                     fDescriptor->deactivate(fHandle2);

  1272.                 } catch(...) {}

  1273.             }

  1274.         }

  1275.     }

  1276. 

  1277.     void process(float** const inBuffer, float** const outBuffer, const uint32_t frames) override

  1278.     {

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

  1280.         // Check if active

  1281. 

  1282.         if (! pData->active)

  1283.         {

  1284.             // disable any output sound

  1285.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1286.                 FLOAT_CLEAR(outBuffer[i], frames);

  1287. 

  1288.             return;

  1289.         }

  1290. 

  1291.         fMidiEventCount = 0;

  1292.         carla_zeroStruct<NativeMidiEvent>(fMidiEvents, kPluginMaxMidiEvents*2);

  1293. 

  1294.         // --------------------------------------------------------------------------------------------------------

  1295.         // Check if needs reset

  1296. 

  1297.         if (pData->needsReset)

  1298.         {

  1299.             if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1300.             {

  1301.                 for (uint8_t k=0, i=MAX_MIDI_CHANNELS; k < MAX_MIDI_CHANNELS; ++k)

  1302.                 {

  1303.                     fMidiEvents[k].data[0] = static_cast<uint8_t>(MIDI_STATUS_CONTROL_CHANGE + k);

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

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

  1306.                     fMidiEvents[k].size    = 3;

  1307. 

  1308.                     fMidiEvents[k+i].data[0] = static_cast<uint8_t>(MIDI_STATUS_CONTROL_CHANGE + k);

  1309.                     fMidiEvents[k+i].data[1] = MIDI_CONTROL_ALL_SOUND_OFF;

  1310.                     fMidiEvents[k+i].data[2] = 0;

  1311.                     fMidiEvents[k+i].size    = 3;

  1312.                 }

  1313. 

  1314.                 fMidiEventCount = MAX_MIDI_CHANNELS*2;

  1315.             }

  1316.             else if (pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1317.             {

  1318.                 for (uint8_t k=0; k < MAX_MIDI_NOTE; ++k)

  1319.                 {

  1320.                     fMidiEvents[k].data[0] = static_cast<uint8_t>(MIDI_STATUS_NOTE_OFF + pData->ctrlChannel);

  1321.                     fMidiEvents[k].data[1] = k;

  1322.                     fMidiEvents[k].data[2] = 0;

  1323.                     fMidiEvents[k].size    = 3;

  1324.                 }

  1325. 

  1326.                 fMidiEventCount = MAX_MIDI_NOTE;

  1327.             }

  1328. 

  1329.             pData->needsReset = false;

  1330.         }

  1331. 

  1332.         CARLA_PROCESS_CONTINUE_CHECK;

  1333. 

  1334.         // --------------------------------------------------------------------------------------------------------

  1335.         // Set TimeInfo

  1336. 

  1337.         const EngineTimeInfo& timeInfo(pData->engine->getTimeInfo());

  1338. 

  1339.         fTimeInfo.playing = timeInfo.playing;

  1340.         fTimeInfo.frame   = timeInfo.frame;

  1341.         fTimeInfo.usecs   = timeInfo.usecs;

  1342. 

  1343.         if (timeInfo.valid & EngineTimeInfo::kValidBBT)

  1344.         {

  1345.             fTimeInfo.bbt.valid = true;

  1346. 

  1347.             fTimeInfo.bbt.bar  = timeInfo.bbt.bar;

  1348.             fTimeInfo.bbt.beat = timeInfo.bbt.beat;

  1349.             fTimeInfo.bbt.tick = timeInfo.bbt.tick;

  1350.             fTimeInfo.bbt.barStartTick = timeInfo.bbt.barStartTick;

  1351. 

  1352.             fTimeInfo.bbt.beatsPerBar = timeInfo.bbt.beatsPerBar;

  1353.             fTimeInfo.bbt.beatType    = timeInfo.bbt.beatType;

  1354. 

  1355.             fTimeInfo.bbt.ticksPerBeat   = timeInfo.bbt.ticksPerBeat;

  1356.             fTimeInfo.bbt.beatsPerMinute = timeInfo.bbt.beatsPerMinute;

  1357.         }

  1358.         else

  1359.             fTimeInfo.bbt.valid = false;

  1360. 

  1361.         CARLA_PROCESS_CONTINUE_CHECK;

  1362. 

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

  1364.         // Event Input and Processing

  1365. 

  1366.         if (pData->event.portIn != nullptr)

  1367.         {

  1368.             // ----------------------------------------------------------------------------------------------------

  1369.             // MIDI Input (External)

  1370. 

  1371.             if (pData->extNotes.mutex.tryLock())

  1372.             {

  1373.                 ExternalMidiNote note = { 0, 0, 0 };

  1374. 

  1375.                 //for (RtLinkedList<ExternalMidiNote>::Itenerator it = pData->extNotes.data.begin(); it.valid(); it.next())

  1376.                 while (fMidiEventCount < kPluginMaxMidiEvents*2 && ! pData->extNotes.data.isEmpty())

  1377.                 {

  1378.                     note = pData->extNotes.data.getFirst(note, true);

  1379. 

  1380.                     CARLA_SAFE_ASSERT_CONTINUE(note.channel >= 0 && note.channel < MAX_MIDI_CHANNELS);

  1381. 

  1382.                     fMidiEvents[fMidiEventCount].data[0] = static_cast<uint8_t>((note.velo > 0 ? MIDI_STATUS_NOTE_ON : MIDI_STATUS_NOTE_OFF) | (note.channel & MIDI_CHANNEL_BIT));

  1383.                     fMidiEvents[fMidiEventCount].data[1] = note.note;

  1384.                     fMidiEvents[fMidiEventCount].data[2] = note.velo;

  1385.                     fMidiEvents[fMidiEventCount].size    = 3;

  1386. 

  1387.                     fMidiEventCount += 1;

  1388.                 }

  1389. 

  1390.                 pData->extNotes.mutex.unlock();

  1391. 

  1392.             } // End of MIDI Input (External)

  1393. 

  1394.             // ----------------------------------------------------------------------------------------------------

  1395.             // Event Input (System)

  1396. 

  1397.             bool allNotesOffSent = false;

  1398.             bool sampleAccurate  = (pData->options & PLUGIN_OPTION_FIXED_BUFFERS) == 0;

  1399. 

  1400.             uint32_t time, nEvents = pData->event.portIn->getEventCount();

  1401.             uint32_t startTime  = 0;

  1402.             uint32_t timeOffset = 0;

  1403.             uint32_t nextBankId = 0;

  1404. 

  1405.             if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1406.                 nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1407. 

  1408.             for (uint32_t i=0; i < nEvents; ++i)

  1409.             {

  1410.                 const EngineEvent& event(pData->event.portIn->getEvent(i));

  1411. 

  1412.                 time = event.time;

  1413. 

  1414.                 if (time >= frames)

  1415.                     continue;

  1416. 

  1417.                 CARLA_ASSERT_INT2(time >= timeOffset, time, timeOffset);

  1418. 

  1419.                 if (time > timeOffset && sampleAccurate)

  1420.                 {

  1421.                     if (processSingle(inBuffer, outBuffer, time - timeOffset, timeOffset))

  1422.                     {

  1423.                         startTime  = 0;

  1424.                         timeOffset = time;

  1425. 

  1426.                         if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1427.                             nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1428.                         else

  1429.                             nextBankId = 0;

  1430. 

  1431.                         if (fMidiEventCount > 0)

  1432.                         {

  1433.                             carla_zeroStruct<NativeMidiEvent>(fMidiEvents, fMidiEventCount);

  1434.                             fMidiEventCount = 0;

  1435.                         }

  1436.                     }

  1437.                     else

  1438.                         startTime += timeOffset;

  1439.                 }

  1440. 

  1441.                 // Control change

  1442.                 switch (event.type)

  1443.                 {

  1444.                 case kEngineEventTypeNull:

  1445.                     break;

  1446. 

  1447.                 case kEngineEventTypeControl:

  1448.                 {

  1449.                     const EngineControlEvent& ctrlEvent = event.ctrl;

  1450. 

  1451.                     switch (ctrlEvent.type)

  1452.                     {

  1453.                     case kEngineControlEventTypeNull:

  1454.                         break;

  1455. 

  1456.                     case kEngineControlEventTypeParameter:

  1457.                     {

  1458. #ifndef BUILD_BRIDGE

  1459.                         // Control backend stuff

  1460.                         if (event.channel == pData->ctrlChannel)

  1461.                         {

  1462.                             float value;

  1463. 

  1464.                             if (MIDI_IS_CONTROL_BREATH_CONTROLLER(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_DRYWET) > 0)

  1465.                             {

  1466.                                 value = ctrlEvent.value;

  1467.                                 setDryWet(value, false, false);

  1468.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_DRYWET, 0, value);

  1469.                             }

  1470. 

  1471.                             if (MIDI_IS_CONTROL_CHANNEL_VOLUME(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_VOLUME) > 0)

  1472.                             {

  1473.                                 value = ctrlEvent.value*127.0f/100.0f;

  1474.                                 setVolume(value, false, false);

  1475.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_VOLUME, 0, value);

  1476.                             }

  1477. 

  1478.                             if (MIDI_IS_CONTROL_BALANCE(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_BALANCE) > 0)

  1479.                             {

  1480.                                 float left, right;

  1481.                                 value = ctrlEvent.value/0.5f - 1.0f;

  1482. 

  1483.                                 if (value < 0.0f)

  1484.                                 {

  1485.                                     left  = -1.0f;

  1486.                                     right = (value*2.0f)+1.0f;

  1487.                                 }

  1488.                                 else if (value > 0.0f)

  1489.                                 {

  1490.                                     left  = (value*2.0f)-1.0f;

  1491.                                     right = 1.0f;

  1492.                                 }

  1493.                                 else

  1494.                                 {

  1495.                                     left  = -1.0f;

  1496.                                     right = 1.0f;

  1497.                                 }

  1498. 

  1499.                                 setBalanceLeft(left, false, false);

  1500.                                 setBalanceRight(right, false, false);

  1501.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_LEFT, 0, left);

  1502.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_RIGHT, 0, right);

  1503.                             }

  1504.                         }

  1505. #endif

  1506. 

  1507.                         // Control plugin parameters

  1508.                         for (uint32_t k=0; k < pData->param.count; ++k)

  1509.                         {

  1510.                             if (pData->param.data[k].midiChannel != event.channel)

  1511.                                 continue;

  1512.                             if (pData->param.data[k].midiCC != ctrlEvent.param)

  1513.                                 continue;

  1514.                             if (pData->param.data[k].type != PARAMETER_INPUT)

  1515.                                 continue;

  1516.                             if ((pData->param.data[k].hints & PARAMETER_IS_AUTOMABLE) == 0)

  1517.                                 continue;

  1518. 

  1519.                             float value;

  1520. 

  1521.                             if (pData->param.data[k].hints & PARAMETER_IS_BOOLEAN)

  1522.                             {

  1523.                                 value = (ctrlEvent.value < 0.5f) ? pData->param.ranges[k].min : pData->param.ranges[k].max;

  1524.                             }

  1525.                             else

  1526.                             {

  1527.                                 value = pData->param.ranges[k].getUnnormalizedValue(ctrlEvent.value);

  1528. 

  1529.                                 if (pData->param.data[k].hints & PARAMETER_IS_INTEGER)

  1530.                                     value = std::rint(value);

  1531.                             }

  1532. 

  1533.                             setParameterValue(k, value, false, false, false);

  1534.                             pData->postponeRtEvent(kPluginPostRtEventParameterChange, static_cast<int32_t>(k), 0, value);

  1535.                         }

  1536. 

  1537.                         if ((pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0 && ctrlEvent.param <= 0x5F)

  1538.                         {

  1539.                             if (fMidiEventCount >= kPluginMaxMidiEvents*2)

  1540.                                 continue;

  1541. 

  1542.                             fMidiEvents[fMidiEventCount].port    = 0;

  1543.                             fMidiEvents[fMidiEventCount].time    = sampleAccurate ? startTime : time;

  1544.                             fMidiEvents[fMidiEventCount].data[0] = static_cast<uint8_t>(MIDI_STATUS_CONTROL_CHANGE + event.channel);

  1545.                             fMidiEvents[fMidiEventCount].data[1] = static_cast<uint8_t>(ctrlEvent.param);

  1546.                             fMidiEvents[fMidiEventCount].data[2] = uint8_t(ctrlEvent.value*127.0f);

  1547.                             fMidiEvents[fMidiEventCount].size    = 3;

  1548. 

  1549.                             fMidiEventCount += 1;

  1550.                         }

  1551. 

  1552.                         break;

  1553.                     }

  1554. 

  1555.                     case kEngineControlEventTypeMidiBank:

  1556.                         if (event.channel == pData->ctrlChannel && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1557.                             nextBankId = ctrlEvent.param;

  1558.                         break;

  1559. 

  1560.                     case kEngineControlEventTypeMidiProgram:

  1561.                         if (event.channel < MAX_MIDI_CHANNELS && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1562.                         {

  1563.                             const uint32_t nextProgramId(ctrlEvent.param);

  1564. 

  1565.                             for (uint32_t k=0; k < pData->midiprog.count; ++k)

  1566.                             {

  1567.                                 if (pData->midiprog.data[k].bank == nextBankId && pData->midiprog.data[k].program == nextProgramId)

  1568.                                 {

  1569.                                     fDescriptor->set_midi_program(fHandle, event.channel, nextBankId, nextProgramId);

  1570. 

  1571.                                     if (fHandle2 != nullptr)

  1572.                                         fDescriptor->set_midi_program(fHandle2, event.channel, nextBankId, nextProgramId);

  1573. 

  1574.                                     fCurMidiProgs[event.channel] = static_cast<int32_t>(k);

  1575. 

  1576.                                     if (event.channel == pData->ctrlChannel)

  1577.                                         pData->postponeRtEvent(kPluginPostRtEventMidiProgramChange, static_cast<int32_t>(k), 0, 0.0f);

  1578. 

  1579.                                     break;

  1580.                                 }

  1581.                             }

  1582.                         }

  1583.                         break;

  1584. 

  1585.                     case kEngineControlEventTypeAllSoundOff:

  1586.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1587.                         {

  1588.                             if (fMidiEventCount >= kPluginMaxMidiEvents*2)

  1589.                                 continue;

  1590. 

  1591.                             fMidiEvents[fMidiEventCount].port    = 0;

  1592.                             fMidiEvents[fMidiEventCount].time    = sampleAccurate ? startTime : time;

  1593.                             fMidiEvents[fMidiEventCount].data[0] = static_cast<uint8_t>(MIDI_STATUS_CONTROL_CHANGE + event.channel);

  1594.                             fMidiEvents[fMidiEventCount].data[1] = MIDI_CONTROL_ALL_SOUND_OFF;

  1595.                             fMidiEvents[fMidiEventCount].data[2] = 0;

  1596.                             fMidiEvents[fMidiEventCount].size    = 3;

  1597. 

  1598.                             fMidiEventCount += 1;

  1599.                         }

  1600.                         break;

  1601. 

  1602.                     case kEngineControlEventTypeAllNotesOff:

  1603.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1604.                         {

  1605.                             if (event.channel == pData->ctrlChannel && ! allNotesOffSent)

  1606.                             {

  1607.                                 allNotesOffSent = true;

  1608.                                 sendMidiAllNotesOffToCallback();

  1609.                             }

  1610. 

  1611.                             if (fMidiEventCount >= kPluginMaxMidiEvents*2)

  1612.                                 continue;

  1613. 

  1614.                             fMidiEvents[fMidiEventCount].port    = 0;

  1615.                             fMidiEvents[fMidiEventCount].time    = sampleAccurate ? startTime : time;

  1616.                             fMidiEvents[fMidiEventCount].data[0] = static_cast<uint8_t>(MIDI_STATUS_CONTROL_CHANGE + event.channel);

  1617.                             fMidiEvents[fMidiEventCount].data[1] = MIDI_CONTROL_ALL_NOTES_OFF;

  1618.                             fMidiEvents[fMidiEventCount].data[2] = 0;

  1619.                             fMidiEvents[fMidiEventCount].size    = 3;

  1620. 

  1621.                             fMidiEventCount += 1;

  1622.                         }

  1623.                         break;

  1624.                     }

  1625. 

  1626.                     break;

  1627.                 }

  1628. 

  1629.                 case kEngineEventTypeMidi:

  1630.                 {

  1631.                     if (fMidiEventCount >= kPluginMaxMidiEvents*2)

  1632.                         continue;

  1633. 

  1634.                     const EngineMidiEvent& midiEvent(event.midi);

  1635. 

  1636.                     uint8_t status  = uint8_t(MIDI_GET_STATUS_FROM_DATA(midiEvent.data));

  1637.                     uint8_t channel = event.channel;

  1638. 

  1639.                     if (MIDI_IS_STATUS_CHANNEL_PRESSURE(status) && (pData->options & PLUGIN_OPTION_SEND_CHANNEL_PRESSURE) == 0)

  1640.                         continue;

  1641.                     if (MIDI_IS_STATUS_CONTROL_CHANGE(status) && (pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) == 0)

  1642.                         continue;

  1643.                     if (MIDI_IS_STATUS_POLYPHONIC_AFTERTOUCH(status) && (pData->options & PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH) == 0)

  1644.                         continue;

  1645.                     if (MIDI_IS_STATUS_PITCH_WHEEL_CONTROL(status) && (pData->options & PLUGIN_OPTION_SEND_PITCHBEND) == 0)

  1646.                         continue;

  1647. 

  1648.                     // Fix bad note-off

  1649.                     if (status == MIDI_STATUS_NOTE_ON && midiEvent.data[2] == 0)

  1650.                         status = MIDI_STATUS_NOTE_OFF;

  1651. 

  1652.                     fMidiEvents[fMidiEventCount].port = 0;

  1653.                     fMidiEvents[fMidiEventCount].time = sampleAccurate ? startTime : time;

  1654.                     fMidiEvents[fMidiEventCount].size = midiEvent.size;

  1655. 

  1656.                     fMidiEvents[fMidiEventCount].data[0] = static_cast<uint8_t>(status + channel);

  1657.                     fMidiEvents[fMidiEventCount].data[1] = midiEvent.data[1];

  1658.                     fMidiEvents[fMidiEventCount].data[2] = midiEvent.data[2];

  1659.                     fMidiEvents[fMidiEventCount].data[3] = midiEvent.data[3];

  1660. 

  1661.                     fMidiEventCount += 1;

  1662. 

  1663.                     if (status == MIDI_STATUS_NOTE_ON)

  1664.                         pData->postponeRtEvent(kPluginPostRtEventNoteOn, channel, midiEvent.data[1], midiEvent.data[2]);

  1665.                     else if (status == MIDI_STATUS_NOTE_OFF)

  1666.                         pData->postponeRtEvent(kPluginPostRtEventNoteOff, channel, midiEvent.data[1], 0.0f);

  1667. 

  1668.                     break;

  1669.                 }

  1670.                 }

  1671.             }

  1672. 

  1673.             pData->postRtEvents.trySplice();

  1674. 

  1675.             if (frames > timeOffset)

  1676.                 processSingle(inBuffer, outBuffer, frames - timeOffset, timeOffset);

  1677. 

  1678.         } // End of Event Input and Processing

  1679. 

  1680.         // --------------------------------------------------------------------------------------------------------

  1681.         // Plugin processing (no events)

  1682. 

  1683.         else

  1684.         {

  1685.             processSingle(inBuffer, outBuffer, frames, 0);

  1686. 

  1687.         } // End of Plugin processing (no events)

  1688. 

  1689.         CARLA_PROCESS_CONTINUE_CHECK;

  1690. 

  1691.         // --------------------------------------------------------------------------------------------------------

  1692.         // Control and MIDI Output

  1693. 

  1694.         if (fMidiOut.count > 0 || pData->event.portOut != nullptr)

  1695.         {

  1696.             float value, curValue;

  1697. 

  1698.             for (uint32_t k=0; k < pData->param.count; ++k)

  1699.             {

  1700.                 if (pData->param.data[k].type != PARAMETER_OUTPUT)

  1701.                     continue;

  1702. 

  1703.                 curValue = fDescriptor->get_parameter_value(fHandle, k);

  1704.                 pData->param.ranges[k].fixValue(curValue);

  1705. 

  1706.                 if (pData->param.data[k].midiCC > 0)

  1707.                 {

  1708.                     value = pData->param.ranges[k].getNormalizedValue(curValue);

  1709.                     pData->event.portOut->writeControlEvent(0, pData->param.data[k].midiChannel, kEngineControlEventTypeParameter, static_cast<uint16_t>(pData->param.data[k].midiCC), value);

  1710.                 }

  1711.             }

  1712. 

  1713.             // reverse lookup MIDI events

  1714.             for (uint32_t k = (kPluginMaxMidiEvents*2)-1; k >= fMidiEventCount; --k)

  1715.             {

  1716.                 if (fMidiEvents[k].data[0] == 0)

  1717.                     break;

  1718. 

  1719.                 const uint8_t channel = uint8_t(MIDI_GET_CHANNEL_FROM_DATA(fMidiEvents[k].data));

  1720.                 const uint8_t port    = fMidiEvents[k].port;

  1721. 

  1722.                 if (pData->event.portOut != nullptr)

  1723.                     pData->event.portOut->writeMidiEvent(fMidiEvents[k].time, channel, port, fMidiEvents[k].size, fMidiEvents[k].data);

  1724.                 else if (port < fMidiOut.count)

  1725.                     fMidiOut.ports[port]->writeMidiEvent(fMidiEvents[k].time, channel, port, fMidiEvents[k].size, fMidiEvents[k].data);

  1726.             }

  1727. 

  1728.         } // End of Control and MIDI Output

  1729.     }

  1730. 

  1731.     bool processSingle(float** const inBuffer, float** const outBuffer, const uint32_t frames, const uint32_t timeOffset)

  1732.     {

  1733.         CARLA_ASSERT(frames > 0);

  1734. 

  1735.         if (frames == 0)

  1736.             return false;

  1737. 

  1738.         if (pData->audioIn.count > 0)

  1739.         {

  1740.             CARLA_ASSERT(inBuffer != nullptr);

  1741.             if (inBuffer == nullptr)

  1742.                 return false;

  1743.         }

  1744.         if (pData->audioOut.count > 0)

  1745.         {

  1746.             CARLA_ASSERT(outBuffer != nullptr);

  1747.             if (outBuffer == nullptr)

  1748.                 return false;

  1749.         }

  1750. 

  1751.         uint32_t i, k;

  1752. 

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

  1754.         // Try lock, silence otherwise

  1755. 

  1756.         if (pData->engine->isOffline())

  1757.         {

  1758.             pData->singleMutex.lock();

  1759.         }

  1760.         else if (! pData->singleMutex.tryLock())

  1761.         {

  1762.             for (i=0; i < pData->audioOut.count; ++i)

  1763.             {

  1764.                 for (k=0; k < frames; ++k)

  1765.                     outBuffer[i][k+timeOffset] = 0.0f;

  1766.             }

  1767. 

  1768.             return false;

  1769.         }

  1770. 

  1771.         // --------------------------------------------------------------------------------------------------------

  1772.         // Reset audio buffers

  1773. 

  1774.         for (i=0; i < pData->audioIn.count; ++i)

  1775.             FLOAT_COPY(fAudioInBuffers[i], inBuffer[i]+timeOffset, frames);

  1776. 

  1777.         for (i=0; i < pData->audioOut.count; ++i)

  1778.             FLOAT_CLEAR(fAudioOutBuffers[i], frames);

  1779. 

  1780.         // --------------------------------------------------------------------------------------------------------

  1781.         // Run plugin

  1782. 

  1783.         fIsProcessing = true;

  1784. 

  1785.         if (fHandle2 == nullptr)

  1786.         {

  1787.             fDescriptor->process(fHandle, fAudioInBuffers, fAudioOutBuffers, frames, fMidiEvents, fMidiEventCount);

  1788.         }

  1789.         else

  1790.         {

  1791.             fDescriptor->process(fHandle,

  1792.                                  (pData->audioIn.count > 0) ? &fAudioInBuffers[0] : nullptr,

  1793.                                  (pData->audioOut.count > 0) ? &fAudioOutBuffers[0] : nullptr,

  1794.                                  frames, fMidiEvents, fMidiEventCount);

  1795. 

  1796.             fDescriptor->process(fHandle2,

  1797.                                  (pData->audioIn.count > 0) ? &fAudioInBuffers[1] : nullptr,

  1798.                                  (pData->audioOut.count > 0) ? &fAudioOutBuffers[1] : nullptr,

  1799.                                  frames, fMidiEvents, fMidiEventCount);

  1800.         }

  1801. 

  1802.         fIsProcessing = false;

  1803.         fTimeInfo.frame += frames;

  1804. 

  1805. #ifndef BUILD_BRIDGE

  1806.         // --------------------------------------------------------------------------------------------------------

  1807.         // Post-processing (dry/wet, volume and balance)

  1808. 

  1809.         {

  1810.             const bool doDryWet  = (pData->hints & PLUGIN_CAN_DRYWET) != 0 && pData->postProc.dryWet != 1.0f;

  1811.             const bool doBalance = (pData->hints & PLUGIN_CAN_BALANCE) != 0 && (pData->postProc.balanceLeft != -1.0f || pData->postProc.balanceRight != 1.0f);

  1812. 

  1813.             bool isPair;

  1814.             float bufValue, oldBufLeft[doBalance ? frames : 1];

  1815. 

  1816.             for (i=0; i < pData->audioOut.count; ++i)

  1817.             {

  1818.                 // Dry/Wet

  1819.                 if (doDryWet)

  1820.                 {

  1821.                     for (k=0; k < frames; ++k)

  1822.                     {

  1823.                         bufValue = fAudioInBuffers[(pData->audioIn.count == 1) ? 0 : i][k];

  1824.                         fAudioOutBuffers[i][k] = (fAudioOutBuffers[i][k] * pData->postProc.dryWet) + (bufValue * (1.0f - pData->postProc.dryWet));

  1825.                     }

  1826.                 }

  1827. 

  1828.                 // Balance

  1829.                 if (doBalance)

  1830.                 {

  1831.                     isPair = (i % 2 == 0);

  1832. 

  1833.                     if (isPair)

  1834.                     {

  1835.                         CARLA_ASSERT(i+1 < pData->audioOut.count);

  1836.                         FLOAT_COPY(oldBufLeft, fAudioOutBuffers[i], frames);

  1837.                     }

  1838. 

  1839.                     float balRangeL = (pData->postProc.balanceLeft  + 1.0f)/2.0f;

  1840.                     float balRangeR = (pData->postProc.balanceRight + 1.0f)/2.0f;

  1841. 

  1842.                     for (k=0; k < frames; ++k)

  1843.                     {

  1844.                         if (isPair)

  1845.                         {

  1846.                             // left

  1847.                             fAudioOutBuffers[i][k]  = oldBufLeft[k]            * (1.0f - balRangeL);

  1848.                             fAudioOutBuffers[i][k] += fAudioOutBuffers[i+1][k] * (1.0f - balRangeR);

  1849.                         }

  1850.                         else

  1851.                         {

  1852.                             // right

  1853.                             fAudioOutBuffers[i][k]  = fAudioOutBuffers[i][k] * balRangeR;

  1854.                             fAudioOutBuffers[i][k] += oldBufLeft[k]          * balRangeL;

  1855.                         }

  1856.                     }

  1857.                 }

  1858. 

  1859.                 // Volume (and buffer copy)

  1860.                 {

  1861.                     for (k=0; k < frames; ++k)

  1862.                         outBuffer[i][k+timeOffset] = fAudioOutBuffers[i][k] * pData->postProc.volume;

  1863.                 }

  1864.             }

  1865. 

  1866.         } // End of Post-processing

  1867. #else

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

  1869.         {

  1870.             for (k=0; k < frames; ++k)

  1871.                 outBuffer[i][k+timeOffset] = fAudioOutBuffers[i][k];

  1872.         }

  1873. #endif

  1874. 

  1875.         // --------------------------------------------------------------------------------------------------------

  1876. 

  1877.         pData->singleMutex.unlock();

  1878.         return true;

  1879.     }

  1880. 

  1881.     void bufferSizeChanged(const uint32_t newBufferSize) override

  1882.     {

  1883.         CARLA_ASSERT_INT(newBufferSize > 0, newBufferSize);

  1884.         carla_debug("NativePlugin::bufferSizeChanged(%i)", newBufferSize);

  1885. 

  1886.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1887.         {

  1888.             if (fAudioInBuffers[i] != nullptr)

  1889.                 delete[] fAudioInBuffers[i];

  1890.             fAudioInBuffers[i] = new float[newBufferSize];

  1891.         }

  1892. 

  1893.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1894.         {

  1895.             if (fAudioOutBuffers[i] != nullptr)

  1896.                 delete[] fAudioOutBuffers[i];

  1897.             fAudioOutBuffers[i] = new float[newBufferSize];

  1898.         }

  1899. 

  1900.         if (fDescriptor != nullptr && fDescriptor->dispatcher != nullptr)

  1901.         {

  1902.             fDescriptor->dispatcher(fHandle, PLUGIN_OPCODE_BUFFER_SIZE_CHANGED, 0, static_cast<intptr_t>(newBufferSize), nullptr, 0.0f);

  1903. 

  1904.             if (fHandle2 != nullptr)

  1905.                 fDescriptor->dispatcher(fHandle2, PLUGIN_OPCODE_BUFFER_SIZE_CHANGED, 0, static_cast<intptr_t>(newBufferSize), nullptr, 0.0f);

  1906.         }

  1907.     }

  1908. 

  1909.     void sampleRateChanged(const double newSampleRate) override

  1910.     {

  1911.         CARLA_ASSERT_INT(newSampleRate > 0.0, newSampleRate);

  1912.         carla_debug("NativePlugin::sampleRateChanged(%g)", newSampleRate);

  1913. 

  1914.         if (fDescriptor != nullptr && fDescriptor->dispatcher != nullptr)

  1915.         {

  1916.             fDescriptor->dispatcher(fHandle, PLUGIN_OPCODE_SAMPLE_RATE_CHANGED, 0, 0, nullptr, float(newSampleRate));

  1917. 

  1918.             if (fHandle2 != nullptr)

  1919.                 fDescriptor->dispatcher(fHandle2, PLUGIN_OPCODE_SAMPLE_RATE_CHANGED, 0, 0, nullptr, float(newSampleRate));

  1920.         }

  1921.     }

  1922. 

  1923.     void offlineModeChanged(const bool isOffline) override

  1924.     {

  1925.         if (fDescriptor != nullptr && fDescriptor->dispatcher != nullptr)

  1926.         {

  1927.             fDescriptor->dispatcher(fHandle, PLUGIN_OPCODE_OFFLINE_CHANGED, 0, isOffline ? 1 : 0, nullptr, 0.0f);

  1928. 

  1929.             if (fHandle2 != nullptr)

  1930.                 fDescriptor->dispatcher(fHandle2, PLUGIN_OPCODE_OFFLINE_CHANGED, 0, isOffline ? 1 : 0, nullptr, 0.0f);

  1931.         }

  1932.     }

  1933. 

  1934.     // -------------------------------------------------------------------

  1935.     // Plugin buffers

  1936. 

  1937.     void initBuffers() const noexcept override

  1938.     {

  1939.         fMidiIn.initBuffers();

  1940.         fMidiOut.initBuffers();

  1941. 

  1942.         CarlaPlugin::initBuffers();

  1943.     }

  1944. 

  1945.     void clearBuffers() noexcept override

  1946.     {

  1947.         carla_debug("NativePlugin::clearBuffers() - start");

  1948. 

  1949.         if (fAudioInBuffers != nullptr)

  1950.         {

  1951.             for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1952.             {

  1953.                 if (fAudioInBuffers[i] != nullptr)

  1954.                 {

  1955.                     delete[] fAudioInBuffers[i];

  1956.                     fAudioInBuffers[i] = nullptr;

  1957.                 }

  1958.             }

  1959. 

  1960.             delete[] fAudioInBuffers;

  1961.             fAudioInBuffers = nullptr;

  1962.         }

  1963. 

  1964.         if (fAudioOutBuffers != nullptr)

  1965.         {

  1966.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1967.             {

  1968.                 if (fAudioOutBuffers[i] != nullptr)

  1969.                 {

  1970.                     delete[] fAudioOutBuffers[i];

  1971.                     fAudioOutBuffers[i] = nullptr;

  1972.                 }

  1973.             }

  1974. 

  1975.             delete[] fAudioOutBuffers;

  1976.             fAudioOutBuffers = nullptr;

  1977.         }

  1978. 

  1979.         fMidiIn.clear();

  1980.         fMidiOut.clear();

  1981. 

  1982.         CarlaPlugin::clearBuffers();

  1983. 

  1984.         carla_debug("NativePlugin::clearBuffers() - end");

  1985.     }

  1986. 

  1987.     // -------------------------------------------------------------------

  1988.     // Post-poned UI Stuff

  1989. 

  1990.     void uiParameterChange(const uint32_t index, const float value) noexcept override

  1991.     {

  1992.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1993.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  1994.         CARLA_SAFE_ASSERT_RETURN(index < pData->param.count,);

  1995. 

  1996.         if (! fIsUiVisible)

  1997.             return;

  1998. 

  1999.         if (fDescriptor->ui_set_parameter_value != nullptr)

  2000.             fDescriptor->ui_set_parameter_value(fHandle, index, value);

  2001.     }

  2002. 

  2003.     void uiMidiProgramChange(const uint32_t index) noexcept override

  2004.     {

  2005.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  2006.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  2007.         CARLA_SAFE_ASSERT_RETURN(index < pData->midiprog.count,);

  2008. 

  2009.         if (! fIsUiVisible)

  2010.             return;

  2011.         if (index >= pData->midiprog.count)

  2012.             return;

  2013. 

  2014.         if (fDescriptor->ui_set_midi_program != nullptr)

  2015.             fDescriptor->ui_set_midi_program(fHandle, 0, pData->midiprog.data[index].bank, pData->midiprog.data[index].program);

  2016.     }

  2017. 

  2018.     void uiNoteOn(const uint8_t channel, const uint8_t note, const uint8_t velo) noexcept override

  2019.     {

  2020.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  2021.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  2022.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2023.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2024.         CARLA_SAFE_ASSERT_RETURN(velo > 0 && velo < MAX_MIDI_VALUE,);

  2025. 

  2026.         if (! fIsUiVisible)

  2027.             return;

  2028. 

  2029.         // TODO

  2030.     }

  2031. 

  2032.     void uiNoteOff(const uint8_t channel, const uint8_t note) noexcept override

  2033.     {

  2034.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  2035.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  2036.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2037.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2038. 

  2039.         if (! fIsUiVisible)

  2040.             return;

  2041.         if (fDescriptor == nullptr || fHandle == nullptr)

  2042.             return;

  2043. 

  2044.         // TODO

  2045.     }

  2046. 

  2047.     // -------------------------------------------------------------------

  2048. 

  2049. protected:

  2050.     uint32_t handleGetBufferSize() const noexcept

  2051.     {

  2052.         return pData->engine->getBufferSize();

  2053.     }

  2054. 

  2055.     double handleGetSampleRate() const noexcept

  2056.     {

  2057.         return pData->engine->getSampleRate();

  2058.     }

  2059. 

  2060.     bool handleIsOffline() const noexcept

  2061.     {

  2062.         return pData->engine->isOffline();

  2063.     }

  2064. 

  2065.     const NativeTimeInfo* handleGetTimeInfo() const noexcept

  2066.     {

  2067.         CARLA_SAFE_ASSERT_RETURN(fIsProcessing, nullptr);

  2068. 

  2069.         return &fTimeInfo;

  2070.     }

  2071. 

  2072.     bool handleWriteMidiEvent(const NativeMidiEvent* const event)

  2073.     {

  2074.         CARLA_ASSERT(pData->enabled);

  2075.         CARLA_ASSERT(fIsProcessing);

  2076.         CARLA_ASSERT(fMidiOut.count > 0 || pData->event.portOut != nullptr);

  2077.         CARLA_ASSERT(event != nullptr);

  2078.         CARLA_ASSERT(event->data[0] != 0);

  2079. 

  2080.         if (! pData->enabled)

  2081.             return false;

  2082.         if (fMidiOut.count == 0)

  2083.             return false;

  2084.         if (event == nullptr)

  2085.             return false;

  2086.         if (event->data[0] == 0)

  2087.             return false;

  2088.         if (! fIsProcessing)

  2089.         {

  2090.             carla_stderr2("NativePlugin::handleWriteMidiEvent(%p) - received MIDI out event outside audio thread, ignoring", event);

  2091.             return false;

  2092.         }

  2093. 

  2094.         // reverse-find first free event, and put it there

  2095.         for (uint32_t i=(kPluginMaxMidiEvents*2)-1; i > fMidiEventCount; --i)

  2096.         {

  2097.             if (fMidiEvents[i].data[0] == 0)

  2098.             {

  2099.                 std::memcpy(&fMidiEvents[i], event, sizeof(NativeMidiEvent));

  2100.                 return true;

  2101.             }

  2102.         }

  2103. 

  2104.         return false;

  2105.     }

  2106. 

  2107.     void handleUiParameterChanged(const uint32_t index, const float value)

  2108.     {

  2109.         setParameterValue(index, value, false, true, true);

  2110.     }

  2111. 

  2112.     void handleUiCustomDataChanged(const char* const key, const char* const value)

  2113.     {

  2114.         setCustomData(CUSTOM_DATA_TYPE_STRING, key, value, false);

  2115.     }

  2116. 

  2117.     void handleUiClosed()

  2118.     {

  2119.         pData->engine->callback(ENGINE_CALLBACK_UI_STATE_CHANGED, pData->id, 0, 0, 0.0f, nullptr);

  2120.         fIsUiVisible = false;

  2121.     }

  2122. 

  2123.     const char* handleUiOpenFile(const bool isDir, const char* const title, const char* const filter)

  2124.     {

  2125.         return pData->engine->runFileCallback(FILE_CALLBACK_OPEN, isDir, title, filter);

  2126.     }

  2127. 

  2128.     const char* handleUiSaveFile(const bool isDir, const char* const title, const char* const filter)

  2129.     {

  2130.         return pData->engine->runFileCallback(FILE_CALLBACK_SAVE, isDir, title, filter);

  2131.     }

  2132. 

  2133.     intptr_t handleDispatcher(const NativeHostDispatcherOpcode opcode, const int32_t index, const intptr_t value, void* const ptr, const float opt)

  2134.     {

  2135.         carla_debug("NativePlugin::handleDispatcher(%i, %i, " P_INTPTR ", %p, %f)", opcode, index, value, ptr, opt);

  2136. 

  2137.         intptr_t ret = 0;

  2138. 

  2139.         switch (opcode)

  2140.         {

  2141.         case ::HOST_OPCODE_NULL:

  2142.             break;

  2143. #ifdef BUILD_BRIDGE

  2144.         case ::HOST_OPCODE_SET_VOLUME:

  2145.         case ::HOST_OPCODE_SET_DRYWET:

  2146.         case ::HOST_OPCODE_SET_BALANCE_LEFT:

  2147.         case ::HOST_OPCODE_SET_BALANCE_RIGHT:

  2148.         case ::HOST_OPCODE_SET_PANNING:

  2149.             break;

  2150. #else

  2151.         case ::HOST_OPCODE_SET_VOLUME:

  2152.             setVolume(opt, true, true);

  2153.             break;

  2154.         case ::HOST_OPCODE_SET_DRYWET:

  2155.             setDryWet(opt, true, true);

  2156.             break;

  2157.         case ::HOST_OPCODE_SET_BALANCE_LEFT:

  2158.             setBalanceLeft(opt, true, true);

  2159.             break;

  2160.         case ::HOST_OPCODE_SET_BALANCE_RIGHT:

  2161.             setBalanceRight(opt, true, true);

  2162.             break;

  2163.         case ::HOST_OPCODE_SET_PANNING:

  2164.             setPanning(opt, true, true);

  2165.             break;

  2166. #endif

  2167.         case ::HOST_OPCODE_GET_PARAMETER_MIDI_CC:

  2168.         case ::HOST_OPCODE_SET_PARAMETER_MIDI_CC:

  2169.             // TODO

  2170.             break;

  2171.         case ::HOST_OPCODE_SET_PROCESS_PRECISION:

  2172.             // TODO

  2173.             break;

  2174.         case ::HOST_OPCODE_UPDATE_PARAMETER:

  2175.             // TODO

  2176.             pData->engine->callback(ENGINE_CALLBACK_UPDATE, pData->id, -1, 0, 0.0f, nullptr);

  2177.             break;

  2178.         case ::HOST_OPCODE_UPDATE_MIDI_PROGRAM:

  2179.             // TODO

  2180.             pData->engine->callback(ENGINE_CALLBACK_UPDATE, pData->id, -1, 0, 0.0f, nullptr);

  2181.             break;

  2182.         case ::HOST_OPCODE_RELOAD_PARAMETERS:

  2183.             reload(); // FIXME

  2184.             pData->engine->callback(ENGINE_CALLBACK_RELOAD_PARAMETERS, pData->id, -1, 0, 0.0f, nullptr);

  2185.             break;

  2186.         case ::HOST_OPCODE_RELOAD_MIDI_PROGRAMS:

  2187.             reloadPrograms(false);

  2188.             pData->engine->callback(ENGINE_CALLBACK_RELOAD_PROGRAMS, pData->id, -1, 0, 0.0f, nullptr);

  2189.             break;

  2190.         case ::HOST_OPCODE_RELOAD_ALL:

  2191.             reload();

  2192.             pData->engine->callback(ENGINE_CALLBACK_RELOAD_ALL, pData->id, -1, 0, 0.0f, nullptr);

  2193.             break;

  2194.         case ::HOST_OPCODE_UI_UNAVAILABLE:

  2195.             pData->engine->callback(ENGINE_CALLBACK_UI_STATE_CHANGED, pData->id, -1, 0, 0.0f, nullptr);

  2196.             break;

  2197.         }

  2198. 

  2199.         return ret;

  2200. 

  2201.         // unused for now

  2202.         (void)index;

  2203.         (void)value;

  2204.         (void)ptr;

  2205.         (void)opt;

  2206.     }

  2207. 

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

  2209. 

  2210. public:

  2211.     static size_t getPluginCount() noexcept

  2212.     {

  2213.         return gPluginDescriptors.count();

  2214.     }

  2215. 

  2216.     static const NativePluginDescriptor* getPluginDescriptor(const size_t index) noexcept

  2217.     {

  2218.         CARLA_SAFE_ASSERT_RETURN(index < gPluginDescriptors.count(), nullptr);

  2219. 

  2220.         return gPluginDescriptors.getAt(index, nullptr);

  2221.     }

  2222. 

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

  2224. 

  2225.     bool init(const char* const name, const char* const label)

  2226.     {

  2227.         CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr, false);

  2228. 

  2229.         // ---------------------------------------------------------------

  2230.         // first checks

  2231. 

  2232.         if (pData->client != nullptr)

  2233.         {

  2234.             pData->engine->setLastError("Plugin client is already registered");

  2235.             return false;

  2236.         }

  2237. 

  2238.         if (label == nullptr && label[0] != '\0')

  2239.         {

  2240.             pData->engine->setLastError("null label");

  2241.             return false;

  2242.         }

  2243. 

  2244.         // ---------------------------------------------------------------

  2245.         // get descriptor that matches label

  2246. 

  2247.         for (LinkedList<const NativePluginDescriptor*>::Itenerator it = gPluginDescriptors.begin(); it.valid(); it.next())

  2248.         {

  2249.             fDescriptor = it.getValue();

  2250. 

  2251.             CARLA_SAFE_ASSERT_BREAK(fDescriptor != nullptr);

  2252. 

  2253.             carla_debug("Check vs \"%s\"", fDescriptor->label);

  2254. 

  2255.             if (fDescriptor->label != nullptr && std::strcmp(fDescriptor->label, label) == 0)

  2256.                 break;

  2257. 

  2258.             fDescriptor = nullptr;

  2259.         }

  2260. 

  2261.         if (fDescriptor == nullptr)

  2262.         {

  2263.             pData->engine->setLastError("Invalid internal plugin");

  2264.             return false;

  2265.         }

  2266. 

  2267.         // ---------------------------------------------------------------

  2268.         // set icon

  2269. 

  2270.         if (std::strcmp(fDescriptor->label, "audiofile") == 0)

  2271.             pData->iconName = carla_strdup("file");

  2272.         else if (std::strcmp(fDescriptor->label, "midifile") == 0)

  2273.             pData->iconName = carla_strdup("file");

  2274.         else if (std::strcmp(fDescriptor->label, "sunvoxfile") == 0)

  2275.             pData->iconName = carla_strdup("file");

  2276. 

  2277.         else if (std::strcmp(fDescriptor->label, "3BandEQ") == 0)

  2278.             pData->iconName = carla_strdup("distrho");

  2279.         else if (std::strcmp(fDescriptor->label, "3BandSplitter") == 0)

  2280.             pData->iconName = carla_strdup("distrho");

  2281.         else if (std::strcmp(fDescriptor->label, "Nekobi") == 0)

  2282.             pData->iconName = carla_strdup("distrho");

  2283.         else if (std::strcmp(fDescriptor->label, "Notes") == 0)

  2284.             pData->iconName = carla_strdup("distrho");

  2285.         else if (std::strcmp(fDescriptor->label, "PingPongPan") == 0)

  2286.             pData->iconName = carla_strdup("distrho");

  2287.         else if (std::strcmp(fDescriptor->label, "StereoEnhancer") == 0)

  2288.             pData->iconName = carla_strdup("distrho");

  2289. 

  2290.         // ---------------------------------------------------------------

  2291.         // get info

  2292. 

  2293.         if (name != nullptr && name[0] != '\0')

  2294.             pData->name = pData->engine->getUniquePluginName(name);

  2295.         else if (fDescriptor->name != nullptr && fDescriptor->name[0] != '\0')

  2296.             pData->name = pData->engine->getUniquePluginName(fDescriptor->name);

  2297.         else

  2298.             pData->name = pData->engine->getUniquePluginName(label);

  2299. 

  2300.         {

  2301.             CARLA_ASSERT(fHost.uiName == nullptr);

  2302. 

  2303.             char uiName[std::strlen(pData->name)+6+1];

  2304.             std::strcpy(uiName, pData->name);

  2305.             std::strcat(uiName, " (GUI)");

  2306. 

  2307.             fHost.uiName = carla_strdup(uiName);

  2308.         }

  2309. 

  2310.         // ---------------------------------------------------------------

  2311.         // register client

  2312. 

  2313.         pData->client = pData->engine->addClient(this);

  2314. 

  2315.         if (pData->client == nullptr || ! pData->client->isOk())

  2316.         {

  2317.             pData->engine->setLastError("Failed to register plugin client");

  2318.             return false;

  2319.         }

  2320. 

  2321.         // ---------------------------------------------------------------

  2322.         // initialize plugin

  2323. 

  2324.         fHandle = fDescriptor->instantiate(&fHost);

  2325. 

  2326.         if (fHandle == nullptr)

  2327.         {

  2328.             pData->engine->setLastError("Plugin failed to initialize");

  2329.             return false;

  2330.         }

  2331. 

  2332.         // ---------------------------------------------------------------

  2333.         // load plugin settings

  2334. 

  2335.         {

  2336.             const bool hasMidiProgs(fDescriptor->get_midi_program_count != nullptr && fDescriptor->get_midi_program_count(fHandle) > 0);

  2337. 

  2338.             // set default options

  2339.             pData->options = 0x0;

  2340. 

  2341.             if (hasMidiProgs && (fDescriptor->supports & ::PLUGIN_SUPPORTS_PROGRAM_CHANGES) == 0)

  2342.                 pData->options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  2343. 

  2344.             if (getMidiInCount() > 0 || (fDescriptor->hints & ::PLUGIN_NEEDS_FIXED_BUFFERS) != 0)

  2345.                 pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;

  2346. 

  2347.             if (pData->engine->getOptions().forceStereo)

  2348.                 pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  2349. 

  2350.             if (fDescriptor->supports & ::PLUGIN_SUPPORTS_CHANNEL_PRESSURE)

  2351.                 pData->options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  2352.             if (fDescriptor->supports & ::PLUGIN_SUPPORTS_NOTE_AFTERTOUCH)

  2353.                 pData->options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  2354.             if (fDescriptor->supports & ::PLUGIN_SUPPORTS_PITCHBEND)

  2355.                 pData->options |= PLUGIN_OPTION_SEND_PITCHBEND;

  2356.             if (fDescriptor->supports & ::PLUGIN_SUPPORTS_ALL_SOUND_OFF)

  2357.                 pData->options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  2358. 

  2359. #ifndef BUILD_BRIDGE

  2360.             // set identifier string

  2361.             CarlaString identifier("Native/");

  2362.             identifier += label;

  2363.             pData->identifier = identifier.dup();

  2364. 

  2365.             // load settings

  2366.             pData->options = pData->loadSettings(pData->options, getOptionsAvailable());

  2367. 

  2368.             // ignore settings, we need this anyway

  2369.             if (getMidiInCount() > 0 || (fDescriptor->hints & ::PLUGIN_NEEDS_FIXED_BUFFERS) != 0)

  2370.                 pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;

  2371. #endif

  2372.         }

  2373. 

  2374.         return true;

  2375.     }

  2376. 

  2377. 

  2378. private:

  2379.     NativePluginHandle   fHandle;

  2380.     NativePluginHandle   fHandle2;

  2381.     NativeHostDescriptor fHost;

  2382.     const NativePluginDescriptor* fDescriptor;

  2383. 

  2384.     bool fIsProcessing;

  2385.     bool fIsUiVisible;

  2386. 

  2387.     float**         fAudioInBuffers;

  2388.     float**         fAudioOutBuffers;

  2389.     uint32_t        fMidiEventCount;

  2390.     NativeMidiEvent fMidiEvents[kPluginMaxMidiEvents*2];

  2391. 

  2392.     int32_t fCurMidiProgs[MAX_MIDI_CHANNELS];

  2393. 

  2394.     NativePluginMidiData fMidiIn;

  2395.     NativePluginMidiData fMidiOut;

  2396. 

  2397.     NativeTimeInfo fTimeInfo;

  2398. 

  2399.     // -------------------------------------------------------------------

  2400. 

  2401.     #define handlePtr ((NativePlugin*)handle)

  2402. 

  2403.     static uint32_t carla_host_get_buffer_size(NativeHostHandle handle) noexcept

  2404.     {

  2405.         return handlePtr->handleGetBufferSize();

  2406.     }

  2407. 

  2408.     static double carla_host_get_sample_rate(NativeHostHandle handle) noexcept

  2409.     {

  2410.         return handlePtr->handleGetSampleRate();

  2411.     }

  2412. 

  2413.     static bool carla_host_is_offline(NativeHostHandle handle) noexcept

  2414.     {

  2415.         return handlePtr->handleIsOffline();

  2416.     }

  2417. 

  2418.     static const NativeTimeInfo* carla_host_get_time_info(NativeHostHandle handle) noexcept

  2419.     {

  2420.         return handlePtr->handleGetTimeInfo();

  2421.     }

  2422. 

  2423.     static bool carla_host_write_midi_event(NativeHostHandle handle, const NativeMidiEvent* event)

  2424.     {

  2425.         return handlePtr->handleWriteMidiEvent(event);

  2426.     }

  2427. 

  2428.     static void carla_host_ui_parameter_changed(NativeHostHandle handle, uint32_t index, float value)

  2429.     {

  2430.         handlePtr->handleUiParameterChanged(index, value);

  2431.     }

  2432. 

  2433.     static void carla_host_ui_custom_data_changed(NativeHostHandle handle, const char* key, const char* value)

  2434.     {

  2435.         handlePtr->handleUiCustomDataChanged(key, value);

  2436.     }

  2437. 

  2438.     static void carla_host_ui_closed(NativeHostHandle handle)

  2439.     {

  2440.         handlePtr->handleUiClosed();

  2441.     }

  2442. 

  2443.     static const char* carla_host_ui_open_file(NativeHostHandle handle, bool isDir, const char* title, const char* filter)

  2444.     {

  2445.         return handlePtr->handleUiOpenFile(isDir, title, filter);

  2446.     }

  2447. 

  2448.     static const char* carla_host_ui_save_file(NativeHostHandle handle, bool isDir, const char* title, const char* filter)

  2449.     {

  2450.         return handlePtr->handleUiSaveFile(isDir, title, filter);

  2451.     }

  2452. 

  2453.     static intptr_t carla_host_dispatcher(NativeHostHandle handle, NativeHostDispatcherOpcode opcode, int32_t index, intptr_t value, void* ptr, float opt)

  2454.     {

  2455.         return handlePtr->handleDispatcher(opcode, index, value, ptr, opt);

  2456.     }

  2457. 

  2458.     #undef handlePtr

  2459. 

  2460.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(NativePlugin)

  2461. };

  2462. 

  2463. CARLA_BACKEND_END_NAMESPACE

  2464. 

  2465. #endif // WANT_NATIVE

  2466. 

  2467. // -----------------------------------------------------------------------

  2468. 

  2469. CARLA_BACKEND_START_NAMESPACE

  2470. 

  2471. #ifdef WANT_NATIVE

  2472. size_t CarlaPlugin::getNativePluginCount() noexcept

  2473. {

  2474.     return NativePlugin::getPluginCount();

  2475. }

  2476. 

  2477. const NativePluginDescriptor* CarlaPlugin::getNativePluginDescriptor(const size_t index) noexcept

  2478. {

  2479.     return NativePlugin::getPluginDescriptor(index);

  2480. }

  2481. #endif

  2482. 

  2483. // -----------------------------------------------------------------------

  2484. 

  2485. CarlaPlugin* CarlaPlugin::newNative(const Initializer& init)

  2486. {

  2487.     carla_debug("CarlaPlugin::newNative({%p, \"%s\", \"%s\", \"%s\", " P_INT64 "})", init.engine, init.filename, init.name, init.label, init.uniqueId);

  2488. 

  2489. #ifdef WANT_NATIVE

  2490.     NativePlugin* const plugin(new NativePlugin(init.engine, init.id));

  2491. 

  2492.     if (! plugin->init(init.name, init.label))

  2493.     {

  2494.         delete plugin;

  2495.         return nullptr;

  2496.     }

  2497. 

  2498.     plugin->reload();

  2499. 

  2500.     if (init.engine->getProccessMode() == ENGINE_PROCESS_MODE_CONTINUOUS_RACK && ! plugin->canRunInRack())

  2501.     {

  2502.         init.engine->setLastError("Carla's rack mode can only work with Mono or Stereo Internal plugins, sorry!");

  2503.         delete plugin;

  2504.         return nullptr;

  2505.     }

  2506. 

  2507.     return plugin;

  2508. #else

  2509.     init.engine->setLastError("Internal plugins support not available");

  2510.     return nullptr;

  2511. #endif

  2512. }

  2513. 

  2514. CARLA_BACKEND_END_NAMESPACE

  2515. 

  2516. // -----------------------------------------------------------------------