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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 "juce_core.h"

  27. 

  28. using juce::String;

  29. using juce::StringArray;

  30. 

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

  32. 

  33. static LinkedList<const NativePluginDescriptor*> gPluginDescriptors;

  34. 

  35. void carla_register_native_plugin(const NativePluginDescriptor* desc)

  36. {

  37.     gPluginDescriptors.append(desc);

  38. }

  39. 

  40. // -----------------------------------------------------

  41. 

  42. CARLA_BACKEND_START_NAMESPACE

  43. 

  44. #if 0

  45. }

  46. #endif

  47. 

  48. struct NativePluginMidiData {

  49.     uint32_t  count;

  50.     uint32_t* indexes;

  51.     CarlaEngineEventPort** ports;

  52. 

  53.     NativePluginMidiData() noexcept

  54.         : count(0),

  55.           indexes(nullptr),

  56.           ports(nullptr) {}

  57. 

  58.     ~NativePluginMidiData() noexcept

  59.     {

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

  61.         CARLA_SAFE_ASSERT(indexes == nullptr);

  62.         CARLA_SAFE_ASSERT(ports == nullptr);

  63.     }

  64. 

  65.     void createNew(const uint32_t newCount)

  66.     {

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

  68.         CARLA_SAFE_ASSERT_RETURN(indexes == nullptr,);

  69.         CARLA_SAFE_ASSERT_RETURN(ports == nullptr,);

  70.         CARLA_SAFE_ASSERT_RETURN(newCount > 0,);

  71. 

  72.         indexes = new uint32_t[newCount];

  73.         ports   = new CarlaEngineEventPort*[newCount];

  74.         count   = newCount;

  75. 

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

  77.             indexes[i] = 0;

  78. 

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

  80.             ports[i] = nullptr;

  81.     }

  82. 

  83.     void clear() noexcept

  84.     {

  85.         if (ports != nullptr)

  86.         {

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

  88.             {

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

  90.                 {

  91.                     delete ports[i];

  92.                     ports[i] = nullptr;

  93.                 }

  94.             }

  95. 

  96.             delete[] ports;

  97.             ports = nullptr;

  98.         }

  99. 

  100.         if (indexes != nullptr)

  101.         {

  102.             delete[] indexes;

  103.             indexes = nullptr;

  104.         }

  105. 

  106.         count = 0;

  107.     }

  108. 

  109.     void initBuffers() const noexcept

  110.     {

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

  112.         {

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

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

  115.         }

  116.     }

  117. 

  118.     CARLA_DECLARE_NON_COPY_STRUCT(NativePluginMidiData)

  119. };

  120. 

  121. // -----------------------------------------------------

  122. 

  123. static const

  124. struct ScopedInitializer {

  125.     ScopedInitializer()

  126.     {

  127.         carla_register_all_plugins();

  128.     }

  129. 

  130.     ~ScopedInitializer()

  131.     {

  132.         gPluginDescriptors.clear();

  133.     }

  134. } _si;

  135. 

  136. // -----------------------------------------------------

  137. 

  138. class NativePlugin : public CarlaPlugin

  139. {

  140. public:

  141.     NativePlugin(CarlaEngine* const engine, const uint id)

  142.         : CarlaPlugin(engine, id),

  143.           fHandle(nullptr),

  144.           fHandle2(nullptr),

  145.           fDescriptor(nullptr),

  146.           fIsProcessing(false),

  147.           fIsUiVisible(false),

  148.           fAudioInBuffers(nullptr),

  149.           fAudioOutBuffers(nullptr),

  150.           fMidiEventCount(0)

  151.     {

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

  153. 

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

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

  156.         carla_zeroStruct<NativeTimeInfo>(fTimeInfo);

  157. 

  158.         fHost.handle      = this;

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

  160.         fHost.uiName      = nullptr;

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

  162. 

  163.         fHost.get_buffer_size        = carla_host_get_buffer_size;

  164.         fHost.get_sample_rate        = carla_host_get_sample_rate;

  165.         fHost.is_offline             = carla_host_is_offline;

  166.         fHost.get_time_info          = carla_host_get_time_info;

  167.         fHost.write_midi_event       = carla_host_write_midi_event;

  168.         fHost.ui_parameter_changed   = carla_host_ui_parameter_changed;

  169.         fHost.ui_custom_data_changed = carla_host_ui_custom_data_changed;

  170.         fHost.ui_closed              = carla_host_ui_closed;

  171.         fHost.ui_open_file           = carla_host_ui_open_file;

  172.         fHost.ui_save_file           = carla_host_ui_save_file;

  173.         fHost.dispatcher             = carla_host_dispatcher;

  174.     }

  175. 

  176.     ~NativePlugin() override

  177.     {

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

  179. 

  180.         // close UI

  181.         if (pData->hints & PLUGIN_HAS_CUSTOM_UI)

  182.         {

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

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

  185. 

  186.             pData->transientTryCounter = 0;

  187.         }

  188. 

  189.         pData->singleMutex.lock();

  190.         pData->masterMutex.lock();

  191. 

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

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

  194. 

  195.         CARLA_ASSERT(! fIsProcessing);

  196. 

  197.         if (pData->active)

  198.         {

  199.             deactivate();

  200.             pData->active = false;

  201.         }

  202. 

  203.         if (fDescriptor != nullptr)

  204.         {

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

  206.             {

  207.                 if (fHandle != nullptr)

  208.                     fDescriptor->cleanup(fHandle);

  209.                 if (fHandle2 != nullptr)

  210.                     fDescriptor->cleanup(fHandle2);

  211.             }

  212. 

  213.             fHandle  = nullptr;

  214.             fHandle2 = nullptr;

  215.             fDescriptor = nullptr;

  216.         }

  217. 

  218.         if (fHost.resourceDir != nullptr)

  219.         {

  220.             delete[] fHost.resourceDir;

  221.             fHost.resourceDir = nullptr;

  222.         }

  223. 

  224.         if (fHost.uiName != nullptr)

  225.         {

  226.             delete[] fHost.uiName;

  227.             fHost.uiName = nullptr;

  228.         }

  229. 

  230.         clearBuffers();

  231.     }

  232. 

  233.     // -------------------------------------------------------------------

  234.     // Information (base)

  235. 

  236.     PluginType getType() const noexcept override

  237.     {

  238.         return PLUGIN_INTERNAL;

  239.     }

  240. 

  241.     PluginCategory getCategory() const noexcept override

  242.     {

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

  244. 

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

  246.     }

  247. 

  248.     // -------------------------------------------------------------------

  249.     // Information (count)

  250. 

  251.     uint32_t getMidiInCount() const noexcept override

  252.     {

  253.         return fMidiIn.count;

  254.     }

  255. 

  256.     uint32_t getMidiOutCount() const noexcept override

  257.     {

  258.         return fMidiOut.count;

  259.     }

  260. 

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

  262.     {

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

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

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

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

  267. 

  268.         // FIXME - try

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

  270.             return param->scalePointCount;

  271. 

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

  273.         return 0;

  274.     }

  275. 

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

  277.     // Information (current data)

  278. 

  279.     // nothing

  280. 

  281.     // -------------------------------------------------------------------

  282.     // Information (per-plugin data)

  283. 

  284.     uint getOptionsAvailable() const noexcept override

  285.     {

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

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

  288. 

  289.         // FIXME - try

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

  291. 

  292.         uint options = 0x0;

  293. 

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

  295.             options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  296. 

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

  298.             options |= PLUGIN_OPTION_FIXED_BUFFERS;

  299. 

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

  301.         {

  302.             if (pData->options & PLUGIN_OPTION_FORCE_STEREO)

  303.                 options |= PLUGIN_OPTION_FORCE_STEREO;

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

  305.                 options |= PLUGIN_OPTION_FORCE_STEREO;

  306.         }

  307. 

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

  309.             options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

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

  311.             options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

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

  313.             options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

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

  315.             options |= PLUGIN_OPTION_SEND_PITCHBEND;

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

  317.             options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  318. 

  319.         return options;

  320.     }

  321. 

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

  323.     {

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

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

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

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

  328. 

  329.         // FIXME - try

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

  331.     }

  332. 

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

  334.     {

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

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

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

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

  339. 

  340.         // FIXME - try

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

  342.         {

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

  344. 

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

  346.             return scalePoint->value;

  347.         }

  348. 

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

  350.         return 0.0f;

  351.     }

  352. 

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

  354.     {

  355.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  356. 

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

  358.         {

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

  360.             return;

  361.         }

  362. 

  363.         CarlaPlugin::getLabel(strBuf);

  364.     }

  365. 

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

  367.     {

  368.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  369. 

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

  371.         {

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

  373.             return;

  374.         }

  375. 

  376.         CarlaPlugin::getMaker(strBuf);

  377.     }

  378. 

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

  380.     {

  381.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  382. 

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

  384.         {

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

  386.             return;

  387.         }

  388. 

  389.         CarlaPlugin::getCopyright(strBuf);

  390.     }

  391. 

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

  393.     {

  394.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  395. 

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

  397.         {

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

  399.             return;

  400.         }

  401. 

  402.         CarlaPlugin::getRealName(strBuf);

  403.     }

  404. 

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

  406.     {

  407.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

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

  409.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  411. 

  412.         // FIXME - try

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

  414.         {

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

  416.             {

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

  418.                 return;

  419.             }

  420. 

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

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

  423.         }

  424. 

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

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

  427.     }

  428. 

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

  430.     {

  431.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

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

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

  434.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  436. 

  437.         // FIXME - try

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

  439.         {

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

  441.             return;

  442.         }

  443. 

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

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

  446.     }

  447. 

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

  449.     {

  450.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

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

  452.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  454. 

  455.         // FIXME - try

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

  457.         {

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

  459.             {

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

  461.                 return;

  462.             }

  463. 

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

  465.         }

  466. 

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

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

  469.     }

  470. 

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

  472.     {

  473.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

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

  475.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  477. 

  478.         // FIXME - try

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

  480.         {

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

  482. 

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

  484. 

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

  486.             {

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

  488.                 return;

  489.             }

  490. 

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

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

  493.         }

  494. 

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

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

  497.     }

  498. 

  499.     // -------------------------------------------------------------------

  500.     // Set data (state)

  501. 

  502.     void prepareForSave() override

  503.     {

  504.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  505.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  506. 

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

  508.         {

  509.             char strBuf[STR_MAX+1];

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

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

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

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

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

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

  516. 

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

  518.         }

  519. 

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

  521.             return;

  522. 

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

  524.         {

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

  526.             std::free(data);

  527.         }

  528.     }

  529. 

  530.     // -------------------------------------------------------------------

  531.     // Set data (internal stuff)

  532. 

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

  534.     {

  535.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  536.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  538. 

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

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

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

  542. 

  543.         if (fHost.uiName != nullptr)

  544.             delete[] fHost.uiName;

  545.         fHost.uiName = carla_strdup(uiName);

  546. 

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

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

  549. 

  550.         CarlaPlugin::setName(newName);

  551.     }

  552. 

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

  554.     {

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

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

  557. 

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

  559.     }

  560. 

  561.     // -------------------------------------------------------------------

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

  563. 

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

  565.     {

  566.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

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

  568.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  570. 

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

  572. 

  573.         // FIXME - try

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

  575. 

  576.         if (fHandle2 != nullptr)

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

  578. 

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

  580.     }

  581. 

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

  583.     {

  584.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  585.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

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

  588.         CARLA_SAFE_ASSERT_RETURN(value != nullptr,);

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

  590. 

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

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

  593. 

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

  595.         {

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

  597.             {

  598.                 const ScopedSingleProcessLocker spl(this, true);

  599. 

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

  601. 

  602.                 if (fHandle2 != nullptr)

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

  604.             }

  605.         }

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

  607.         {

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

  609. 

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

  611.             {

  612.                 uint8_t channel = 0;

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

  614.                 {

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

  616. 

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

  618.                     {

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

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

  621. 

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

  623. 

  624.                         if (fHandle2 != nullptr)

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

  626. 

  627.                         fCurMidiProgs[channel] = index;

  628. 

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

  630.                         {

  631.                             pData->midiprog.current = index;

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

  633.                         }

  634.                     }

  635. 

  636.                     ++channel;

  637.                 }

  638.                 CARLA_SAFE_ASSERT(channel == MAX_MIDI_CHANNELS);

  639.             }

  640.         }

  641.         else

  642.         {

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

  644.             {

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

  646. 

  647.                 if (fHandle2 != nullptr)

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

  649.             }

  650. 

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

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

  653.         }

  654. 

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

  656.     }

  657. 

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

  659.     {

  660.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  661.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  663. 

  664.         // TODO, put into check below

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

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

  667. 

  668.         if (index >= 0)

  669.         {

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

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

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

  673. 

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

  675. 

  676.             try {

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

  678.             } catch(...) {}

  679. 

  680.             if (fHandle2 != nullptr)

  681.             {

  682.                 try {

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

  684.                 } catch(...) {}

  685.             }

  686. 

  687.             fCurMidiProgs[channel] = index;

  688.         }

  689. 

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

  691.     }

  692. 

  693.     // -------------------------------------------------------------------

  694.     // Set ui stuff

  695. 

  696.     void showCustomUI(const bool yesNo) override

  697.     {

  698.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  699.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  700. 

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

  702.             return;

  703. 

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

  705. 

  706.         if (fIsUiVisible == yesNo)

  707.             return;

  708. 

  709.         fIsUiVisible = yesNo;

  710. 

  711.         if (! yesNo)

  712.         {

  713.             pData->transientTryCounter = 0;

  714.             return;

  715.         }

  716. 

  717. #ifndef BUILD_BRIDGE

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

  719.             pData->tryTransient();

  720. #endif

  721. 

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

  723.         {

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

  725.             {

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

  727. 

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

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

  730.             }

  731.         }

  732. 

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

  734.         {

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

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

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

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

  739. 

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

  741.         }

  742. 

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

  744.         {

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

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

  747.         }

  748.     }

  749. 

  750.     void idle() override

  751.     {

  752.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  753.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  754. 

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

  756.             fDescriptor->ui_idle(fHandle);

  757. 

  758.         CarlaPlugin::idle();

  759.     }

  760. 

  761.     // -------------------------------------------------------------------

  762.     // Plugin state

  763. 

  764.     void reload() override

  765.     {

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

  767.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  768.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  770. 

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

  772. 

  773.         // Safely disable plugin for reload

  774.         const ScopedDisabler sd(this);

  775. 

  776.         if (pData->active)

  777.             deactivate();

  778. 

  779.         clearBuffers();

  780. 

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

  782. 

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

  784. 

  785.         bool forcedStereoIn, forcedStereoOut;

  786.         forcedStereoIn = forcedStereoOut = false;

  787. 

  788.         bool needsCtrlIn, needsCtrlOut;

  789.         needsCtrlIn = needsCtrlOut = false;

  790. 

  791.         aIns   = fDescriptor->audioIns;

  792.         aOuts  = fDescriptor->audioOuts;

  793.         mIns   = fDescriptor->midiIns;

  794.         mOuts  = fDescriptor->midiOuts;

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

  796. 

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

  798.         {

  799.             if (fHandle2 == nullptr)

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

  801. 

  802.             if (fHandle2 != nullptr)

  803.             {

  804.                 if (aIns == 1)

  805.                 {

  806.                     aIns = 2;

  807.                     forcedStereoIn = true;

  808.                 }

  809. 

  810.                 if (aOuts == 1)

  811.                 {

  812.                     aOuts = 2;

  813.                     forcedStereoOut = true;

  814.                 }

  815.             }

  816.         }

  817. 

  818.         if (aIns > 0)

  819.         {

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

  821.             fAudioInBuffers = new float*[aIns];

  822. 

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

  824.                 fAudioInBuffers[i] = nullptr;

  825.         }

  826. 

  827.         if (aOuts > 0)

  828.         {

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

  830.             fAudioOutBuffers = new float*[aOuts];

  831.             needsCtrlIn = true;

  832. 

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

  834.                 fAudioOutBuffers[i] = nullptr;

  835.         }

  836. 

  837.         if (mIns > 0)

  838.         {

  839.             fMidiIn.createNew(mIns);

  840.             needsCtrlIn = (mIns == 1);

  841.         }

  842. 

  843.         if (mOuts > 0)

  844.         {

  845.             fMidiOut.createNew(mOuts);

  846.             needsCtrlOut = (mOuts == 1);

  847.         }

  848. 

  849.         if (params > 0)

  850.         {

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

  852.         }

  853. 

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

  855.         CarlaString portName;

  856. 

  857.         // Audio Ins

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

  859.         {

  860.             portName.clear();

  861. 

  862.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  863.             {

  864.                 portName  = pData->name;

  865.                 portName += ":";

  866.             }

  867. 

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

  869.             {

  870.                 portName += "input_";

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

  872.             }

  873.             else

  874.                 portName += "input";

  875. 

  876.             portName.truncate(portNameSize);

  877. 

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

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

  880. 

  881.             if (forcedStereoIn)

  882.             {

  883.                 portName += "_2";

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

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

  886.                 break;

  887.             }

  888.         }

  889. 

  890.         // Audio Outs

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

  892.         {

  893.             portName.clear();

  894. 

  895.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  896.             {

  897.                 portName  = pData->name;

  898.                 portName += ":";

  899.             }

  900. 

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

  902.             {

  903.                 portName += "output_";

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

  905.             }

  906.             else

  907.                 portName += "output";

  908. 

  909.             portName.truncate(portNameSize);

  910. 

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

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

  913. 

  914.             if (forcedStereoOut)

  915.             {

  916.                 portName += "_2";

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

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

  919.                 break;

  920.             }

  921.         }

  922. 

  923.         // MIDI Input (only if multiple)

  924.         if (mIns > 1)

  925.         {

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

  927.             {

  928.                 portName.clear();

  929. 

  930.                 if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  931.                 {

  932.                     portName  = pData->name;

  933.                     portName += ":";

  934.                 }

  935. 

  936.                 portName += "midi-in_";

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

  938.                 portName.truncate(portNameSize);

  939. 

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

  941.                 fMidiIn.indexes[j] = j;

  942.             }

  943.         }

  944. 

  945.         // MIDI Output (only if multiple)

  946.         if (mOuts > 1)

  947.         {

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

  949.             {

  950.                 portName.clear();

  951. 

  952.                 if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  953.                 {

  954.                     portName  = pData->name;

  955.                     portName += ":";

  956.                 }

  957. 

  958.                 portName += "midi-out_";

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

  960.                 portName.truncate(portNameSize);

  961. 

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

  963.                 fMidiOut.indexes[j] = j;

  964.             }

  965.         }

  966. 

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

  968.         {

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

  970. 

  971.             CARLA_SAFE_ASSERT_CONTINUE(paramInfo != nullptr);

  972. 

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

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

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

  976. 

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

  978. 

  979.             // min value

  980.             min = paramInfo->ranges.min;

  981. 

  982.             // max value

  983.             max = paramInfo->ranges.max;

  984. 

  985.             if (min > max)

  986.                 max = min;

  987.             else if (max < min)

  988.                 min = max;

  989. 

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

  991.             {

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

  993.                 max = min + 0.1f;

  994.             }

  995. 

  996.             // default value

  997.             def = paramInfo->ranges.def;

  998. 

  999.             if (def < min)

  1000.                 def = min;

  1001.             else if (def > max)

  1002.                 def = max;

  1003. 

  1004.             if (paramInfo->hints & ::PARAMETER_USES_SAMPLE_RATE)

  1005.             {

  1006.                 min *= sampleRate;

  1007.                 max *= sampleRate;

  1008.                 def *= sampleRate;

  1009.                 pData->param.data[j].hints |= PARAMETER_USES_SAMPLERATE;

  1010.             }

  1011. 

  1012.             if (paramInfo->hints & ::PARAMETER_IS_BOOLEAN)

  1013.             {

  1014.                 step = max - min;

  1015.                 stepSmall = step;

  1016.                 stepLarge = step;

  1017.                 pData->param.data[j].hints |= PARAMETER_IS_BOOLEAN;

  1018.             }

  1019.             else if (paramInfo->hints & ::PARAMETER_IS_INTEGER)

  1020.             {

  1021.                 step = 1.0f;

  1022.                 stepSmall = 1.0f;

  1023.                 stepLarge = 10.0f;

  1024.                 pData->param.data[j].hints |= PARAMETER_IS_INTEGER;

  1025.             }

  1026.             else

  1027.             {

  1028.                 float range = max - min;

  1029.                 step = range/100.0f;

  1030.                 stepSmall = range/1000.0f;

  1031.                 stepLarge = range/10.0f;

  1032.             }

  1033. 

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

  1035.             {

  1036.                 pData->param.data[j].type = PARAMETER_OUTPUT;

  1037.                 needsCtrlOut = true;

  1038.             }

  1039.             else

  1040.             {

  1041.                 pData->param.data[j].type = PARAMETER_INPUT;

  1042.                 needsCtrlIn = true;

  1043.             }

  1044. 

  1045.             // extra parameter hints

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

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

  1048. 

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

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

  1051. 

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

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

  1054. 

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

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

  1057. 

  1058.             if (paramInfo->hints & ::PARAMETER_USES_CUSTOM_TEXT)

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

  1060. 

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

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

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

  1064.             pData->param.ranges[j].step = step;

  1065.             pData->param.ranges[j].stepSmall = stepSmall;

  1066.             pData->param.ranges[j].stepLarge = stepLarge;

  1067.         }

  1068. 

  1069.         if (needsCtrlIn)

  1070.         {

  1071.             portName.clear();

  1072. 

  1073.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1074.             {

  1075.                 portName  = pData->name;

  1076.                 portName += ":";

  1077.             }

  1078. 

  1079.             portName += "events-in";

  1080.             portName.truncate(portNameSize);

  1081. 

  1082.             pData->event.portIn = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, true);

  1083.         }

  1084. 

  1085.         if (needsCtrlOut)

  1086.         {

  1087.             portName.clear();

  1088. 

  1089.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1090.             {

  1091.                 portName  = pData->name;

  1092.                 portName += ":";

  1093.             }

  1094. 

  1095.             portName += "events-out";

  1096.             portName.truncate(portNameSize);

  1097. 

  1098.             pData->event.portOut = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, false);

  1099.         }

  1100. 

  1101.         if (forcedStereoIn || forcedStereoOut)

  1102.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  1103.         else

  1104.             pData->options &= ~PLUGIN_OPTION_FORCE_STEREO;

  1105. 

  1106.         // plugin hints

  1107.         pData->hints = 0x0;

  1108. 

  1109.         if (aOuts > 0 && (aIns == aOuts || aIns == 1))

  1110.             pData->hints |= PLUGIN_CAN_DRYWET;

  1111. 

  1112.         if (aOuts > 0)

  1113.             pData->hints |= PLUGIN_CAN_VOLUME;

  1114. 

  1115.         if (aOuts >= 2 && aOuts % 2 == 0)

  1116.             pData->hints |= PLUGIN_CAN_BALANCE;

  1117. 

  1118.         // native plugin hints

  1119.         if (fDescriptor->hints & ::PLUGIN_IS_RTSAFE)

  1120.             pData->hints |= PLUGIN_IS_RTSAFE;

  1121.         if (fDescriptor->hints & ::PLUGIN_IS_SYNTH)

  1122.             pData->hints |= PLUGIN_IS_SYNTH;

  1123.         if (fDescriptor->hints & ::PLUGIN_HAS_UI)

  1124.             pData->hints |= PLUGIN_HAS_CUSTOM_UI;

  1125.         if (fDescriptor->hints & ::PLUGIN_NEEDS_SINGLE_THREAD)

  1126.             pData->hints |= PLUGIN_NEEDS_SINGLE_THREAD;

  1127.         if (fDescriptor->hints & ::PLUGIN_NEEDS_FIXED_BUFFERS)

  1128.             pData->hints |= PLUGIN_NEEDS_FIXED_BUFFERS;

  1129. 

  1130.         // extra plugin hints

  1131.         pData->extraHints = 0x0;

  1132. 

  1133.         if (aIns <= 2 && aOuts <= 2 && (aIns == aOuts || aIns == 0 || aOuts == 0) && mIns <= 1 && mOuts <= 1)

  1134.             pData->extraHints |= PLUGIN_EXTRA_HINT_CAN_RUN_RACK;

  1135. 

  1136.         if (fDescriptor->hints & ::PLUGIN_USES_MULTI_PROGS)

  1137.             pData->extraHints |= PLUGIN_EXTRA_HINT_USES_MULTI_PROGS;

  1138. 

  1139.         bufferSizeChanged(pData->engine->getBufferSize());

  1140.         reloadPrograms(true);

  1141. 

  1142.         if (pData->active)

  1143.             activate();

  1144. 

  1145.         carla_debug("NativePlugin::reload() - end");

  1146.     }

  1147. 

  1148.     void reloadPrograms(const bool doInit) override

  1149.     {

  1150.         carla_debug("NativePlugin::reloadPrograms(%s)", bool2str(doInit));

  1151.         uint32_t i, oldCount  = pData->midiprog.count;

  1152.         const int32_t current = pData->midiprog.current;

  1153. 

  1154.         // Delete old programs

  1155.         pData->midiprog.clear();

  1156. 

  1157.         // Query new programs

  1158.         uint32_t count = 0;

  1159.         if (fDescriptor->get_midi_program_count != nullptr && fDescriptor->get_midi_program_info != nullptr && fDescriptor->set_midi_program != nullptr)

  1160.             count = fDescriptor->get_midi_program_count(fHandle);

  1161. 

  1162.         if (count > 0)

  1163.         {

  1164.             pData->midiprog.createNew(count);

  1165. 

  1166.             // Update data

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

  1168.             {

  1169.                 const NativeMidiProgram* const mpDesc(fDescriptor->get_midi_program_info(fHandle, i));

  1170.                 CARLA_SAFE_ASSERT_CONTINUE(mpDesc != nullptr);

  1171. 

  1172.                 pData->midiprog.data[i].bank    = mpDesc->bank;

  1173.                 pData->midiprog.data[i].program = mpDesc->program;

  1174.                 pData->midiprog.data[i].name    = carla_strdup(mpDesc->name);

  1175.             }

  1176.         }

  1177. 

  1178. #ifndef BUILD_BRIDGE

  1179.         // Update OSC Names

  1180.         if (pData->engine->isOscControlRegistered())

  1181.         {

  1182.             pData->engine->oscSend_control_set_midi_program_count(pData->id, count);

  1183. 

  1184.             for (i=0; i < count; ++i)

  1185.                 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);

  1186.         }

  1187. #endif

  1188. 

  1189.         if (doInit)

  1190.         {

  1191.             if (count > 0)

  1192.                 setMidiProgram(0, false, false, false);

  1193.         }

  1194.         else

  1195.         {

  1196.             // Check if current program is invalid

  1197.             bool programChanged = false;

  1198. 

  1199.             if (count == oldCount+1)

  1200.             {

  1201.                 // one midi program added, probably created by user

  1202.                 pData->midiprog.current = static_cast<int32_t>(oldCount);

  1203.                 programChanged = true;

  1204.             }

  1205.             else if (current < 0 && count > 0)

  1206.             {

  1207.                 // programs exist now, but not before

  1208.                 pData->midiprog.current = 0;

  1209.                 programChanged = true;

  1210.             }

  1211.             else if (current >= 0 && count == 0)

  1212.             {

  1213.                 // programs existed before, but not anymore

  1214.                 pData->midiprog.current = -1;

  1215.                 programChanged = true;

  1216.             }

  1217.             else if (current >= static_cast<int32_t>(count))

  1218.             {

  1219.                 // current midi program > count

  1220.                 pData->midiprog.current = 0;

  1221.                 programChanged = true;

  1222.             }

  1223.             else

  1224.             {

  1225.                 // no change

  1226.                 pData->midiprog.current = current;

  1227.             }

  1228. 

  1229.             if (programChanged)

  1230.                 setMidiProgram(pData->midiprog.current, true, true, true);

  1231. 

  1232.             pData->engine->callback(ENGINE_CALLBACK_RELOAD_PROGRAMS, pData->id, 0, 0, 0.0f, nullptr);

  1233.         }

  1234.     }

  1235. 

  1236.     // -------------------------------------------------------------------

  1237.     // Plugin processing

  1238. 

  1239.     void activate() noexcept override

  1240.     {

  1241.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1242.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  1243. 

  1244.         if (fDescriptor->activate != nullptr)

  1245.         {

  1246.             try {

  1247.                 fDescriptor->activate(fHandle);

  1248.             } catch(...) {}

  1249. 

  1250.             if (fHandle2 != nullptr)

  1251.             {

  1252.                 try {

  1253.                     fDescriptor->activate(fHandle2);

  1254.                 } catch(...) {}

  1255.             }

  1256.         }

  1257.     }

  1258. 

  1259.     void deactivate() noexcept override

  1260.     {

  1261.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1262.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  1263. 

  1264.         if (fDescriptor->deactivate != nullptr)

  1265.         {

  1266.             try {

  1267.                 fDescriptor->deactivate(fHandle);

  1268.             } catch(...) {}

  1269. 

  1270.             if (fHandle2 != nullptr)

  1271.             {

  1272.                 try {

  1273.                     fDescriptor->deactivate(fHandle2);

  1274.                 } catch(...) {}

  1275.             }

  1276.         }

  1277.     }

  1278. 

  1279.     void process(float** const inBuffer, float** const outBuffer, const uint32_t frames) override

  1280.     {

  1281.         // --------------------------------------------------------------------------------------------------------

  1282.         // Check if active

  1283. 

  1284.         if (! pData->active)

  1285.         {

  1286.             // disable any output sound

  1287.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1288.                 FloatVectorOperations::clear(outBuffer[i], static_cast<int>(frames));

  1289. 

  1290.             return;

  1291.         }

  1292. 

  1293.         fMidiEventCount = 0;

  1294.         carla_zeroStruct<NativeMidiEvent>(fMidiEvents, kPluginMaxMidiEvents*2);

  1295. 

  1296.         // --------------------------------------------------------------------------------------------------------

  1297.         // Check if needs reset

  1298. 

  1299.         if (pData->needsReset)

  1300.         {

  1301.             if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1302.             {

  1303.                 for (uint8_t k=0, i=MAX_MIDI_CHANNELS; k < MAX_MIDI_CHANNELS; ++k)

  1304.                 {

  1305.                     fMidiEvents[k].data[0] = static_cast<uint8_t>(MIDI_STATUS_CONTROL_CHANGE + k);

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

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

  1308.                     fMidiEvents[k].size    = 3;

  1309. 

  1310.                     fMidiEvents[k+i].data[0] = static_cast<uint8_t>(MIDI_STATUS_CONTROL_CHANGE + k);

  1311.                     fMidiEvents[k+i].data[1] = MIDI_CONTROL_ALL_SOUND_OFF;

  1312.                     fMidiEvents[k+i].data[2] = 0;

  1313.                     fMidiEvents[k+i].size    = 3;

  1314.                 }

  1315. 

  1316.                 fMidiEventCount = MAX_MIDI_CHANNELS*2;

  1317.             }

  1318.             else if (pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1319.             {

  1320.                 for (uint8_t k=0; k < MAX_MIDI_NOTE; ++k)

  1321.                 {

  1322.                     fMidiEvents[k].data[0] = static_cast<uint8_t>(MIDI_STATUS_NOTE_OFF + pData->ctrlChannel);

  1323.                     fMidiEvents[k].data[1] = k;

  1324.                     fMidiEvents[k].data[2] = 0;

  1325.                     fMidiEvents[k].size    = 3;

  1326.                 }

  1327. 

  1328.                 fMidiEventCount = MAX_MIDI_NOTE;

  1329.             }

  1330. 

  1331.             pData->needsReset = false;

  1332.         }

  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.         // --------------------------------------------------------------------------------------------------------

  1362.         // Event Input and Processing

  1363. 

  1364.         if (pData->event.portIn != nullptr)

  1365.         {

  1366.             // ----------------------------------------------------------------------------------------------------

  1367.             // MIDI Input (External)

  1368. 

  1369.             if (pData->extNotes.mutex.tryLock())

  1370.             {

  1371.                 ExternalMidiNote note = { 0, 0, 0 };

  1372. 

  1373.                 //for (RtLinkedList<ExternalMidiNote>::Itenerator it = pData->extNotes.data.begin(); it.valid(); it.next())

  1374.                 while (fMidiEventCount < kPluginMaxMidiEvents*2 && ! pData->extNotes.data.isEmpty())

  1375.                 {

  1376.                     note = pData->extNotes.data.getFirst(note, true);

  1377. 

  1378.                     CARLA_SAFE_ASSERT_CONTINUE(note.channel >= 0 && note.channel < MAX_MIDI_CHANNELS);

  1379. 

  1380.                     fMidiEvents[fMidiEventCount].data[0] = static_cast<uint8_t>((note.velo > 0 ? MIDI_STATUS_NOTE_ON : MIDI_STATUS_NOTE_OFF) | (note.channel & MIDI_CHANNEL_BIT));

  1381.                     fMidiEvents[fMidiEventCount].data[1] = note.note;

  1382.                     fMidiEvents[fMidiEventCount].data[2] = note.velo;

  1383.                     fMidiEvents[fMidiEventCount].size    = 3;

  1384. 

  1385.                     fMidiEventCount += 1;

  1386.                 }

  1387. 

  1388.                 pData->extNotes.mutex.unlock();

  1389. 

  1390.             } // End of MIDI Input (External)

  1391. 

  1392.             // ----------------------------------------------------------------------------------------------------

  1393.             // Event Input (System)

  1394. 

  1395.             bool allNotesOffSent = false;

  1396.             bool sampleAccurate  = (pData->options & PLUGIN_OPTION_FIXED_BUFFERS) == 0;

  1397. 

  1398.             uint32_t time, nEvents = pData->event.portIn->getEventCount();

  1399.             uint32_t startTime  = 0;

  1400.             uint32_t timeOffset = 0;

  1401.             uint32_t nextBankId = 0;

  1402. 

  1403.             if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1404.                 nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1405. 

  1406.             for (uint32_t i=0; i < nEvents; ++i)

  1407.             {

  1408.                 const EngineEvent& event(pData->event.portIn->getEvent(i));

  1409. 

  1410.                 time = event.time;

  1411. 

  1412.                 if (time >= frames)

  1413.                     continue;

  1414. 

  1415.                 CARLA_ASSERT_INT2(time >= timeOffset, time, timeOffset);

  1416. 

  1417.                 if (time > timeOffset && sampleAccurate)

  1418.                 {

  1419.                     if (processSingle(inBuffer, outBuffer, time - timeOffset, timeOffset))

  1420.                     {

  1421.                         startTime  = 0;

  1422.                         timeOffset = time;

  1423. 

  1424.                         if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1425.                             nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1426.                         else

  1427.                             nextBankId = 0;

  1428. 

  1429.                         if (fMidiEventCount > 0)

  1430.                         {

  1431.                             carla_zeroStruct<NativeMidiEvent>(fMidiEvents, fMidiEventCount);

  1432.                             fMidiEventCount = 0;

  1433.                         }

  1434.                     }

  1435.                     else

  1436.                         startTime += timeOffset;

  1437.                 }

  1438. 

  1439.                 // Control change

  1440.                 switch (event.type)

  1441.                 {

  1442.                 case kEngineEventTypeNull:

  1443.                     break;

  1444. 

  1445.                 case kEngineEventTypeControl:

  1446.                 {

  1447.                     const EngineControlEvent& ctrlEvent = event.ctrl;

  1448. 

  1449.                     switch (ctrlEvent.type)

  1450.                     {

  1451.                     case kEngineControlEventTypeNull:

  1452.                         break;

  1453. 

  1454.                     case kEngineControlEventTypeParameter:

  1455.                     {

  1456. #ifndef BUILD_BRIDGE

  1457.                         // Control backend stuff

  1458.                         if (event.channel == pData->ctrlChannel)

  1459.                         {

  1460.                             float value;

  1461. 

  1462.                             if (MIDI_IS_CONTROL_BREATH_CONTROLLER(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_DRYWET) > 0)

  1463.                             {

  1464.                                 value = ctrlEvent.value;

  1465.                                 setDryWet(value, false, false);

  1466.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_DRYWET, 0, value);

  1467.                             }

  1468. 

  1469.                             if (MIDI_IS_CONTROL_CHANNEL_VOLUME(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_VOLUME) > 0)

  1470.                             {

  1471.                                 value = ctrlEvent.value*127.0f/100.0f;

  1472.                                 setVolume(value, false, false);

  1473.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_VOLUME, 0, value);

  1474.                             }

  1475. 

  1476.                             if (MIDI_IS_CONTROL_BALANCE(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_BALANCE) > 0)

  1477.                             {

  1478.                                 float left, right;

  1479.                                 value = ctrlEvent.value/0.5f - 1.0f;

  1480. 

  1481.                                 if (value < 0.0f)

  1482.                                 {

  1483.                                     left  = -1.0f;

  1484.                                     right = (value*2.0f)+1.0f;

  1485.                                 }

  1486.                                 else if (value > 0.0f)

  1487.                                 {

  1488.                                     left  = (value*2.0f)-1.0f;

  1489.                                     right = 1.0f;

  1490.                                 }

  1491.                                 else

  1492.                                 {

  1493.                                     left  = -1.0f;

  1494.                                     right = 1.0f;

  1495.                                 }

  1496. 

  1497.                                 setBalanceLeft(left, false, false);

  1498.                                 setBalanceRight(right, false, false);

  1499.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_LEFT, 0, left);

  1500.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_RIGHT, 0, right);

  1501.                             }

  1502.                         }

  1503. #endif

  1504. 

  1505.                         // Control plugin parameters

  1506.                         for (uint32_t k=0; k < pData->param.count; ++k)

  1507.                         {

  1508.                             if (pData->param.data[k].midiChannel != event.channel)

  1509.                                 continue;

  1510.                             if (pData->param.data[k].midiCC != ctrlEvent.param)

  1511.                                 continue;

  1512.                             if (pData->param.data[k].type != PARAMETER_INPUT)

  1513.                                 continue;

  1514.                             if ((pData->param.data[k].hints & PARAMETER_IS_AUTOMABLE) == 0)

  1515.                                 continue;

  1516. 

  1517.                             float value;

  1518. 

  1519.                             if (pData->param.data[k].hints & PARAMETER_IS_BOOLEAN)

  1520.                             {

  1521.                                 value = (ctrlEvent.value < 0.5f) ? pData->param.ranges[k].min : pData->param.ranges[k].max;

  1522.                             }

  1523.                             else

  1524.                             {

  1525.                                 value = pData->param.ranges[k].getUnnormalizedValue(ctrlEvent.value);

  1526. 

  1527.                                 if (pData->param.data[k].hints & PARAMETER_IS_INTEGER)

  1528.                                     value = std::rint(value);

  1529.                             }

  1530. 

  1531.                             setParameterValue(k, value, false, false, false);

  1532.                             pData->postponeRtEvent(kPluginPostRtEventParameterChange, static_cast<int32_t>(k), 0, value);

  1533.                         }

  1534. 

  1535.                         if ((pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0 && ctrlEvent.param <= 0x5F)

  1536.                         {

  1537.                             if (fMidiEventCount >= kPluginMaxMidiEvents*2)

  1538.                                 continue;

  1539. 

  1540.                             fMidiEvents[fMidiEventCount].port    = 0;

  1541.                             fMidiEvents[fMidiEventCount].time    = sampleAccurate ? startTime : time;

  1542.                             fMidiEvents[fMidiEventCount].data[0] = static_cast<uint8_t>(MIDI_STATUS_CONTROL_CHANGE + event.channel);

  1543.                             fMidiEvents[fMidiEventCount].data[1] = static_cast<uint8_t>(ctrlEvent.param);

  1544.                             fMidiEvents[fMidiEventCount].data[2] = uint8_t(ctrlEvent.value*127.0f);

  1545.                             fMidiEvents[fMidiEventCount].size    = 3;

  1546. 

  1547.                             fMidiEventCount += 1;

  1548.                         }

  1549. 

  1550.                         break;

  1551.                     }

  1552. 

  1553.                     case kEngineControlEventTypeMidiBank:

  1554.                         if (event.channel == pData->ctrlChannel && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1555.                             nextBankId = ctrlEvent.param;

  1556.                         break;

  1557. 

  1558.                     case kEngineControlEventTypeMidiProgram:

  1559.                         if (event.channel < MAX_MIDI_CHANNELS && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1560.                         {

  1561.                             const uint32_t nextProgramId(ctrlEvent.param);

  1562. 

  1563.                             for (uint32_t k=0; k < pData->midiprog.count; ++k)

  1564.                             {

  1565.                                 if (pData->midiprog.data[k].bank == nextBankId && pData->midiprog.data[k].program == nextProgramId)

  1566.                                 {

  1567.                                     fDescriptor->set_midi_program(fHandle, event.channel, nextBankId, nextProgramId);

  1568. 

  1569.                                     if (fHandle2 != nullptr)

  1570.                                         fDescriptor->set_midi_program(fHandle2, event.channel, nextBankId, nextProgramId);

  1571. 

  1572.                                     fCurMidiProgs[event.channel] = static_cast<int32_t>(k);

  1573. 

  1574.                                     if (event.channel == pData->ctrlChannel)

  1575.                                         pData->postponeRtEvent(kPluginPostRtEventMidiProgramChange, static_cast<int32_t>(k), 0, 0.0f);

  1576. 

  1577.                                     break;

  1578.                                 }

  1579.                             }

  1580.                         }

  1581.                         break;

  1582. 

  1583.                     case kEngineControlEventTypeAllSoundOff:

  1584.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1585.                         {

  1586.                             if (fMidiEventCount >= kPluginMaxMidiEvents*2)

  1587.                                 continue;

  1588. 

  1589.                             fMidiEvents[fMidiEventCount].port    = 0;

  1590.                             fMidiEvents[fMidiEventCount].time    = sampleAccurate ? startTime : time;

  1591.                             fMidiEvents[fMidiEventCount].data[0] = static_cast<uint8_t>(MIDI_STATUS_CONTROL_CHANGE + event.channel);

  1592.                             fMidiEvents[fMidiEventCount].data[1] = MIDI_CONTROL_ALL_SOUND_OFF;

  1593.                             fMidiEvents[fMidiEventCount].data[2] = 0;

  1594.                             fMidiEvents[fMidiEventCount].size    = 3;

  1595. 

  1596.                             fMidiEventCount += 1;

  1597.                         }

  1598.                         break;

  1599. 

  1600.                     case kEngineControlEventTypeAllNotesOff:

  1601.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1602.                         {

  1603.                             if (event.channel == pData->ctrlChannel && ! allNotesOffSent)

  1604.                             {

  1605.                                 allNotesOffSent = true;

  1606.                                 sendMidiAllNotesOffToCallback();

  1607.                             }

  1608. 

  1609.                             if (fMidiEventCount >= kPluginMaxMidiEvents*2)

  1610.                                 continue;

  1611. 

  1612.                             fMidiEvents[fMidiEventCount].port    = 0;

  1613.                             fMidiEvents[fMidiEventCount].time    = sampleAccurate ? startTime : time;

  1614.                             fMidiEvents[fMidiEventCount].data[0] = static_cast<uint8_t>(MIDI_STATUS_CONTROL_CHANGE + event.channel);

  1615.                             fMidiEvents[fMidiEventCount].data[1] = MIDI_CONTROL_ALL_NOTES_OFF;

  1616.                             fMidiEvents[fMidiEventCount].data[2] = 0;

  1617.                             fMidiEvents[fMidiEventCount].size    = 3;

  1618. 

  1619.                             fMidiEventCount += 1;

  1620.                         }

  1621.                         break;

  1622.                     }

  1623. 

  1624.                     break;

  1625.                 }

  1626. 

  1627.                 case kEngineEventTypeMidi:

  1628.                 {

  1629.                     if (fMidiEventCount >= kPluginMaxMidiEvents*2)

  1630.                         continue;

  1631. 

  1632.                     const EngineMidiEvent& midiEvent(event.midi);

  1633. 

  1634.                     uint8_t status  = uint8_t(MIDI_GET_STATUS_FROM_DATA(midiEvent.data));

  1635.                     uint8_t channel = event.channel;

  1636. 

  1637.                     if (MIDI_IS_STATUS_CHANNEL_PRESSURE(status) && (pData->options & PLUGIN_OPTION_SEND_CHANNEL_PRESSURE) == 0)

  1638.                         continue;

  1639.                     if (MIDI_IS_STATUS_CONTROL_CHANGE(status) && (pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) == 0)

  1640.                         continue;

  1641.                     if (MIDI_IS_STATUS_POLYPHONIC_AFTERTOUCH(status) && (pData->options & PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH) == 0)

  1642.                         continue;

  1643.                     if (MIDI_IS_STATUS_PITCH_WHEEL_CONTROL(status) && (pData->options & PLUGIN_OPTION_SEND_PITCHBEND) == 0)

  1644.                         continue;

  1645. 

  1646.                     // Fix bad note-off

  1647.                     if (status == MIDI_STATUS_NOTE_ON && midiEvent.data[2] == 0)

  1648.                         status = MIDI_STATUS_NOTE_OFF;

  1649. 

  1650.                     fMidiEvents[fMidiEventCount].port = 0;

  1651.                     fMidiEvents[fMidiEventCount].time = sampleAccurate ? startTime : time;

  1652.                     fMidiEvents[fMidiEventCount].size = midiEvent.size;

  1653. 

  1654.                     fMidiEvents[fMidiEventCount].data[0] = static_cast<uint8_t>(status + channel);

  1655.                     fMidiEvents[fMidiEventCount].data[1] = midiEvent.data[1];

  1656.                     fMidiEvents[fMidiEventCount].data[2] = midiEvent.data[2];

  1657.                     fMidiEvents[fMidiEventCount].data[3] = midiEvent.data[3];

  1658. 

  1659.                     fMidiEventCount += 1;

  1660. 

  1661.                     if (status == MIDI_STATUS_NOTE_ON)

  1662.                         pData->postponeRtEvent(kPluginPostRtEventNoteOn, channel, midiEvent.data[1], midiEvent.data[2]);

  1663.                     else if (status == MIDI_STATUS_NOTE_OFF)

  1664.                         pData->postponeRtEvent(kPluginPostRtEventNoteOff, channel, midiEvent.data[1], 0.0f);

  1665. 

  1666.                     break;

  1667.                 }

  1668.                 }

  1669.             }

  1670. 

  1671.             pData->postRtEvents.trySplice();

  1672. 

  1673.             if (frames > timeOffset)

  1674.                 processSingle(inBuffer, outBuffer, frames - timeOffset, timeOffset);

  1675. 

  1676.         } // End of Event Input and Processing

  1677. 

  1678.         // --------------------------------------------------------------------------------------------------------

  1679.         // Plugin processing (no events)

  1680. 

  1681.         else

  1682.         {

  1683.             processSingle(inBuffer, outBuffer, frames, 0);

  1684. 

  1685.         } // End of Plugin processing (no events)

  1686. 

  1687.         // --------------------------------------------------------------------------------------------------------

  1688.         // Control and MIDI Output

  1689. 

  1690.         if (fMidiOut.count > 0 || pData->event.portOut != nullptr)

  1691.         {

  1692.             float value, curValue;

  1693. 

  1694.             for (uint32_t k=0; k < pData->param.count; ++k)

  1695.             {

  1696.                 if (pData->param.data[k].type != PARAMETER_OUTPUT)

  1697.                     continue;

  1698. 

  1699.                 curValue = fDescriptor->get_parameter_value(fHandle, k);

  1700.                 pData->param.ranges[k].fixValue(curValue);

  1701. 

  1702.                 if (pData->param.data[k].midiCC > 0)

  1703.                 {

  1704.                     value = pData->param.ranges[k].getNormalizedValue(curValue);

  1705.                     pData->event.portOut->writeControlEvent(0, pData->param.data[k].midiChannel, kEngineControlEventTypeParameter, static_cast<uint16_t>(pData->param.data[k].midiCC), value);

  1706.                 }

  1707.             }

  1708. 

  1709.             // reverse lookup MIDI events

  1710.             for (uint32_t k = (kPluginMaxMidiEvents*2)-1; k >= fMidiEventCount; --k)

  1711.             {

  1712.                 if (fMidiEvents[k].data[0] == 0)

  1713.                     break;

  1714. 

  1715.                 const uint8_t channel = uint8_t(MIDI_GET_CHANNEL_FROM_DATA(fMidiEvents[k].data));

  1716.                 const uint8_t port    = fMidiEvents[k].port;

  1717. 

  1718.                 if (pData->event.portOut != nullptr)

  1719.                     pData->event.portOut->writeMidiEvent(fMidiEvents[k].time, channel, port, fMidiEvents[k].size, fMidiEvents[k].data);

  1720.                 else if (port < fMidiOut.count)

  1721.                     fMidiOut.ports[port]->writeMidiEvent(fMidiEvents[k].time, channel, port, fMidiEvents[k].size, fMidiEvents[k].data);

  1722.             }

  1723. 

  1724.         } // End of Control and MIDI Output

  1725.     }

  1726. 

  1727.     bool processSingle(float** const inBuffer, float** const outBuffer, const uint32_t frames, const uint32_t timeOffset)

  1728.     {

  1729.         CARLA_ASSERT(frames > 0);

  1730. 

  1731.         if (frames == 0)

  1732.             return false;

  1733. 

  1734.         if (pData->audioIn.count > 0)

  1735.         {

  1736.             CARLA_ASSERT(inBuffer != nullptr);

  1737.             if (inBuffer == nullptr)

  1738.                 return false;

  1739.         }

  1740.         if (pData->audioOut.count > 0)

  1741.         {

  1742.             CARLA_ASSERT(outBuffer != nullptr);

  1743.             if (outBuffer == nullptr)

  1744.                 return false;

  1745.         }

  1746. 

  1747.         uint32_t i, k;

  1748. 

  1749.         // --------------------------------------------------------------------------------------------------------

  1750.         // Try lock, silence otherwise

  1751. 

  1752.         if (pData->engine->isOffline())

  1753.         {

  1754.             pData->singleMutex.lock();

  1755.         }

  1756.         else if (! pData->singleMutex.tryLock())

  1757.         {

  1758.             for (i=0; i < pData->audioOut.count; ++i)

  1759.             {

  1760.                 for (k=0; k < frames; ++k)

  1761.                     outBuffer[i][k+timeOffset] = 0.0f;

  1762.             }

  1763. 

  1764.             return false;

  1765.         }

  1766. 

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

  1768.         // Reset audio buffers

  1769. 

  1770.         for (i=0; i < pData->audioIn.count; ++i)

  1771.             FloatVectorOperations::copy(fAudioInBuffers[i], inBuffer[i]+timeOffset, static_cast<int>(frames));

  1772. 

  1773.         for (i=0; i < pData->audioOut.count; ++i)

  1774.             FloatVectorOperations::clear(fAudioOutBuffers[i], static_cast<int>(frames));

  1775. 

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

  1777.         // Run plugin

  1778. 

  1779.         fIsProcessing = true;

  1780. 

  1781.         if (fHandle2 == nullptr)

  1782.         {

  1783.             fDescriptor->process(fHandle, fAudioInBuffers, fAudioOutBuffers, frames, fMidiEvents, fMidiEventCount);

  1784.         }

  1785.         else

  1786.         {

  1787.             fDescriptor->process(fHandle,

  1788.                                  (pData->audioIn.count > 0) ? &fAudioInBuffers[0] : nullptr,

  1789.                                  (pData->audioOut.count > 0) ? &fAudioOutBuffers[0] : nullptr,

  1790.                                  frames, fMidiEvents, fMidiEventCount);

  1791. 

  1792.             fDescriptor->process(fHandle2,

  1793.                                  (pData->audioIn.count > 0) ? &fAudioInBuffers[1] : nullptr,

  1794.                                  (pData->audioOut.count > 0) ? &fAudioOutBuffers[1] : nullptr,

  1795.                                  frames, fMidiEvents, fMidiEventCount);

  1796.         }

  1797. 

  1798.         fIsProcessing = false;

  1799.         fTimeInfo.frame += frames;

  1800. 

  1801. #ifndef BUILD_BRIDGE

  1802.         // --------------------------------------------------------------------------------------------------------

  1803.         // Post-processing (dry/wet, volume and balance)

  1804. 

  1805.         {

  1806.             const bool doDryWet  = (pData->hints & PLUGIN_CAN_DRYWET) != 0 && pData->postProc.dryWet != 1.0f;

  1807.             const bool doBalance = (pData->hints & PLUGIN_CAN_BALANCE) != 0 && (pData->postProc.balanceLeft != -1.0f || pData->postProc.balanceRight != 1.0f);

  1808. 

  1809.             bool isPair;

  1810.             float bufValue, oldBufLeft[doBalance ? frames : 1];

  1811. 

  1812.             for (i=0; i < pData->audioOut.count; ++i)

  1813.             {

  1814.                 // Dry/Wet

  1815.                 if (doDryWet)

  1816.                 {

  1817.                     for (k=0; k < frames; ++k)

  1818.                     {

  1819.                         bufValue = fAudioInBuffers[(pData->audioIn.count == 1) ? 0 : i][k];

  1820.                         fAudioOutBuffers[i][k] = (fAudioOutBuffers[i][k] * pData->postProc.dryWet) + (bufValue * (1.0f - pData->postProc.dryWet));

  1821.                     }

  1822.                 }

  1823. 

  1824.                 // Balance

  1825.                 if (doBalance)

  1826.                 {

  1827.                     isPair = (i % 2 == 0);

  1828. 

  1829.                     if (isPair)

  1830.                     {

  1831.                         CARLA_ASSERT(i+1 < pData->audioOut.count);

  1832.                         FloatVectorOperations::copy(oldBufLeft, fAudioOutBuffers[i], static_cast<int>(frames));

  1833.                     }

  1834. 

  1835.                     float balRangeL = (pData->postProc.balanceLeft  + 1.0f)/2.0f;

  1836.                     float balRangeR = (pData->postProc.balanceRight + 1.0f)/2.0f;

  1837. 

  1838.                     for (k=0; k < frames; ++k)

  1839.                     {

  1840.                         if (isPair)

  1841.                         {

  1842.                             // left

  1843.                             fAudioOutBuffers[i][k]  = oldBufLeft[k]            * (1.0f - balRangeL);

  1844.                             fAudioOutBuffers[i][k] += fAudioOutBuffers[i+1][k] * (1.0f - balRangeR);

  1845.                         }

  1846.                         else

  1847.                         {

  1848.                             // right

  1849.                             fAudioOutBuffers[i][k]  = fAudioOutBuffers[i][k] * balRangeR;

  1850.                             fAudioOutBuffers[i][k] += oldBufLeft[k]          * balRangeL;

  1851.                         }

  1852.                     }

  1853.                 }

  1854. 

  1855.                 // Volume (and buffer copy)

  1856.                 {

  1857.                     for (k=0; k < frames; ++k)

  1858.                         outBuffer[i][k+timeOffset] = fAudioOutBuffers[i][k] * pData->postProc.volume;

  1859.                 }

  1860.             }

  1861. 

  1862.         } // End of Post-processing

  1863. #else

  1864.         for (i=0; i < pData->audioOut.count; ++i)

  1865.         {

  1866.             for (k=0; k < frames; ++k)

  1867.                 outBuffer[i][k+timeOffset] = fAudioOutBuffers[i][k];

  1868.         }

  1869. #endif

  1870. 

  1871.         // --------------------------------------------------------------------------------------------------------

  1872. 

  1873.         pData->singleMutex.unlock();

  1874.         return true;

  1875.     }

  1876. 

  1877.     void bufferSizeChanged(const uint32_t newBufferSize) override

  1878.     {

  1879.         CARLA_ASSERT_INT(newBufferSize > 0, newBufferSize);

  1880.         carla_debug("NativePlugin::bufferSizeChanged(%i)", newBufferSize);

  1881. 

  1882.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1883.         {

  1884.             if (fAudioInBuffers[i] != nullptr)

  1885.                 delete[] fAudioInBuffers[i];

  1886.             fAudioInBuffers[i] = new float[newBufferSize];

  1887.         }

  1888. 

  1889.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1890.         {

  1891.             if (fAudioOutBuffers[i] != nullptr)

  1892.                 delete[] fAudioOutBuffers[i];

  1893.             fAudioOutBuffers[i] = new float[newBufferSize];

  1894.         }

  1895. 

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

  1897.         {

  1898.             fDescriptor->dispatcher(fHandle, PLUGIN_OPCODE_BUFFER_SIZE_CHANGED, 0, static_cast<intptr_t>(newBufferSize), nullptr, 0.0f);

  1899. 

  1900.             if (fHandle2 != nullptr)

  1901.                 fDescriptor->dispatcher(fHandle2, PLUGIN_OPCODE_BUFFER_SIZE_CHANGED, 0, static_cast<intptr_t>(newBufferSize), nullptr, 0.0f);

  1902.         }

  1903.     }

  1904. 

  1905.     void sampleRateChanged(const double newSampleRate) override

  1906.     {

  1907.         CARLA_ASSERT_INT(newSampleRate > 0.0, newSampleRate);

  1908.         carla_debug("NativePlugin::sampleRateChanged(%g)", newSampleRate);

  1909. 

  1910.         if (fDescriptor != nullptr && fDescriptor->dispatcher != nullptr)

  1911.         {

  1912.             fDescriptor->dispatcher(fHandle, PLUGIN_OPCODE_SAMPLE_RATE_CHANGED, 0, 0, nullptr, float(newSampleRate));

  1913. 

  1914.             if (fHandle2 != nullptr)

  1915.                 fDescriptor->dispatcher(fHandle2, PLUGIN_OPCODE_SAMPLE_RATE_CHANGED, 0, 0, nullptr, float(newSampleRate));

  1916.         }

  1917.     }

  1918. 

  1919.     void offlineModeChanged(const bool isOffline) override

  1920.     {

  1921.         if (fDescriptor != nullptr && fDescriptor->dispatcher != nullptr)

  1922.         {

  1923.             fDescriptor->dispatcher(fHandle, PLUGIN_OPCODE_OFFLINE_CHANGED, 0, isOffline ? 1 : 0, nullptr, 0.0f);

  1924. 

  1925.             if (fHandle2 != nullptr)

  1926.                 fDescriptor->dispatcher(fHandle2, PLUGIN_OPCODE_OFFLINE_CHANGED, 0, isOffline ? 1 : 0, nullptr, 0.0f);

  1927.         }

  1928.     }

  1929. 

  1930.     // -------------------------------------------------------------------

  1931.     // Plugin buffers

  1932. 

  1933.     void initBuffers() const noexcept override

  1934.     {

  1935.         fMidiIn.initBuffers();

  1936.         fMidiOut.initBuffers();

  1937. 

  1938.         CarlaPlugin::initBuffers();

  1939.     }

  1940. 

  1941.     void clearBuffers() noexcept override

  1942.     {

  1943.         carla_debug("NativePlugin::clearBuffers() - start");

  1944. 

  1945.         if (fAudioInBuffers != nullptr)

  1946.         {

  1947.             for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1948.             {

  1949.                 if (fAudioInBuffers[i] != nullptr)

  1950.                 {

  1951.                     delete[] fAudioInBuffers[i];

  1952.                     fAudioInBuffers[i] = nullptr;

  1953.                 }

  1954.             }

  1955. 

  1956.             delete[] fAudioInBuffers;

  1957.             fAudioInBuffers = nullptr;

  1958.         }

  1959. 

  1960.         if (fAudioOutBuffers != nullptr)

  1961.         {

  1962.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1963.             {

  1964.                 if (fAudioOutBuffers[i] != nullptr)

  1965.                 {

  1966.                     delete[] fAudioOutBuffers[i];

  1967.                     fAudioOutBuffers[i] = nullptr;

  1968.                 }

  1969.             }

  1970. 

  1971.             delete[] fAudioOutBuffers;

  1972.             fAudioOutBuffers = nullptr;

  1973.         }

  1974. 

  1975.         fMidiIn.clear();

  1976.         fMidiOut.clear();

  1977. 

  1978.         CarlaPlugin::clearBuffers();

  1979. 

  1980.         carla_debug("NativePlugin::clearBuffers() - end");

  1981.     }

  1982. 

  1983.     // -------------------------------------------------------------------

  1984.     // Post-poned UI Stuff

  1985. 

  1986.     void uiParameterChange(const uint32_t index, const float value) noexcept override

  1987.     {

  1988.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1989.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  1990.         CARLA_SAFE_ASSERT_RETURN(index < pData->param.count,);

  1991. 

  1992.         if (! fIsUiVisible)

  1993.             return;

  1994. 

  1995.         if (fDescriptor->ui_set_parameter_value != nullptr)

  1996.             fDescriptor->ui_set_parameter_value(fHandle, index, value);

  1997.     }

  1998. 

  1999.     void uiMidiProgramChange(const uint32_t index) noexcept override

  2000.     {

  2001.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  2002.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  2003.         CARLA_SAFE_ASSERT_RETURN(index < pData->midiprog.count,);

  2004. 

  2005.         if (! fIsUiVisible)

  2006.             return;

  2007.         if (index >= pData->midiprog.count)

  2008.             return;

  2009. 

  2010.         if (fDescriptor->ui_set_midi_program != nullptr)

  2011.             fDescriptor->ui_set_midi_program(fHandle, 0, pData->midiprog.data[index].bank, pData->midiprog.data[index].program);

  2012.     }

  2013. 

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

  2015.     {

  2016.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  2017.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  2018.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2019.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2020.         CARLA_SAFE_ASSERT_RETURN(velo > 0 && velo < MAX_MIDI_VALUE,);

  2021. 

  2022.         if (! fIsUiVisible)

  2023.             return;

  2024. 

  2025.         // TODO

  2026.     }

  2027. 

  2028.     void uiNoteOff(const uint8_t channel, const uint8_t note) noexcept override

  2029.     {

  2030.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  2031.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  2032.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2033.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2034. 

  2035.         if (! fIsUiVisible)

  2036.             return;

  2037.         if (fDescriptor == nullptr || fHandle == nullptr)

  2038.             return;

  2039. 

  2040.         // TODO

  2041.     }

  2042. 

  2043.     // -------------------------------------------------------------------

  2044. 

  2045. protected:

  2046.     uint32_t handleGetBufferSize() const noexcept

  2047.     {

  2048.         return pData->engine->getBufferSize();

  2049.     }

  2050. 

  2051.     double handleGetSampleRate() const noexcept

  2052.     {

  2053.         return pData->engine->getSampleRate();

  2054.     }

  2055. 

  2056.     bool handleIsOffline() const noexcept

  2057.     {

  2058.         return pData->engine->isOffline();

  2059.     }

  2060. 

  2061.     const NativeTimeInfo* handleGetTimeInfo() const noexcept

  2062.     {

  2063.         CARLA_SAFE_ASSERT_RETURN(fIsProcessing, nullptr);

  2064. 

  2065.         return &fTimeInfo;

  2066.     }

  2067. 

  2068.     bool handleWriteMidiEvent(const NativeMidiEvent* const event)

  2069.     {

  2070.         CARLA_ASSERT(pData->enabled);

  2071.         CARLA_ASSERT(fIsProcessing);

  2072.         CARLA_ASSERT(fMidiOut.count > 0 || pData->event.portOut != nullptr);

  2073.         CARLA_ASSERT(event != nullptr);

  2074.         CARLA_ASSERT(event->data[0] != 0);

  2075. 

  2076.         if (! pData->enabled)

  2077.             return false;

  2078.         if (fMidiOut.count == 0)

  2079.             return false;

  2080.         if (event == nullptr)

  2081.             return false;

  2082.         if (event->data[0] == 0)

  2083.             return false;

  2084.         if (! fIsProcessing)

  2085.         {

  2086.             carla_stderr2("NativePlugin::handleWriteMidiEvent(%p) - received MIDI out event outside audio thread, ignoring", event);

  2087.             return false;

  2088.         }

  2089. 

  2090.         // reverse-find first free event, and put it there

  2091.         for (uint32_t i=(kPluginMaxMidiEvents*2)-1; i > fMidiEventCount; --i)

  2092.         {

  2093.             if (fMidiEvents[i].data[0] == 0)

  2094.             {

  2095.                 std::memcpy(&fMidiEvents[i], event, sizeof(NativeMidiEvent));

  2096.                 return true;

  2097.             }

  2098.         }

  2099. 

  2100.         return false;

  2101.     }

  2102. 

  2103.     void handleUiParameterChanged(const uint32_t index, const float value)

  2104.     {

  2105.         setParameterValue(index, value, false, true, true);

  2106.     }

  2107. 

  2108.     void handleUiCustomDataChanged(const char* const key, const char* const value)

  2109.     {

  2110.         setCustomData(CUSTOM_DATA_TYPE_STRING, key, value, false);

  2111.     }

  2112. 

  2113.     void handleUiClosed()

  2114.     {

  2115.         pData->engine->callback(ENGINE_CALLBACK_UI_STATE_CHANGED, pData->id, 0, 0, 0.0f, nullptr);

  2116.         fIsUiVisible = false;

  2117.     }

  2118. 

  2119.     const char* handleUiOpenFile(const bool isDir, const char* const title, const char* const filter)

  2120.     {

  2121.         return pData->engine->runFileCallback(FILE_CALLBACK_OPEN, isDir, title, filter);

  2122.     }

  2123. 

  2124.     const char* handleUiSaveFile(const bool isDir, const char* const title, const char* const filter)

  2125.     {

  2126.         return pData->engine->runFileCallback(FILE_CALLBACK_SAVE, isDir, title, filter);

  2127.     }

  2128. 

  2129.     intptr_t handleDispatcher(const NativeHostDispatcherOpcode opcode, const int32_t index, const intptr_t value, void* const ptr, const float opt)

  2130.     {

  2131.         carla_debug("NativePlugin::handleDispatcher(%i, %i, " P_INTPTR ", %p, %f)", opcode, index, value, ptr, opt);

  2132. 

  2133.         intptr_t ret = 0;

  2134. 

  2135.         switch (opcode)

  2136.         {

  2137.         case ::HOST_OPCODE_NULL:

  2138.             break;

  2139. #ifdef BUILD_BRIDGE

  2140.         case ::HOST_OPCODE_SET_VOLUME:

  2141.         case ::HOST_OPCODE_SET_DRYWET:

  2142.         case ::HOST_OPCODE_SET_BALANCE_LEFT:

  2143.         case ::HOST_OPCODE_SET_BALANCE_RIGHT:

  2144.         case ::HOST_OPCODE_SET_PANNING:

  2145.             break;

  2146. #else

  2147.         case ::HOST_OPCODE_SET_VOLUME:

  2148.             setVolume(opt, true, true);

  2149.             break;

  2150.         case ::HOST_OPCODE_SET_DRYWET:

  2151.             setDryWet(opt, true, true);

  2152.             break;

  2153.         case ::HOST_OPCODE_SET_BALANCE_LEFT:

  2154.             setBalanceLeft(opt, true, true);

  2155.             break;

  2156.         case ::HOST_OPCODE_SET_BALANCE_RIGHT:

  2157.             setBalanceRight(opt, true, true);

  2158.             break;

  2159.         case ::HOST_OPCODE_SET_PANNING:

  2160.             setPanning(opt, true, true);

  2161.             break;

  2162. #endif

  2163.         case ::HOST_OPCODE_GET_PARAMETER_MIDI_CC:

  2164.         case ::HOST_OPCODE_SET_PARAMETER_MIDI_CC:

  2165.             // TODO

  2166.             break;

  2167.         case ::HOST_OPCODE_SET_PROCESS_PRECISION:

  2168.             // TODO

  2169.             break;

  2170.         case ::HOST_OPCODE_UPDATE_PARAMETER:

  2171.             // TODO

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

  2173.             break;

  2174.         case ::HOST_OPCODE_UPDATE_MIDI_PROGRAM:

  2175.             // TODO

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

  2177.             break;

  2178.         case ::HOST_OPCODE_RELOAD_PARAMETERS:

  2179.             reload(); // FIXME

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

  2181.             break;

  2182.         case ::HOST_OPCODE_RELOAD_MIDI_PROGRAMS:

  2183.             reloadPrograms(false);

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

  2185.             break;

  2186.         case ::HOST_OPCODE_RELOAD_ALL:

  2187.             reload();

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

  2189.             break;

  2190.         case ::HOST_OPCODE_UI_UNAVAILABLE:

  2191.             pData->engine->callback(ENGINE_CALLBACK_UI_STATE_CHANGED, pData->id, -1, 0, 0.0f, nullptr);

  2192.             break;

  2193.         }

  2194. 

  2195.         return ret;

  2196. 

  2197.         // unused for now

  2198.         (void)index;

  2199.         (void)value;

  2200.         (void)ptr;

  2201.         (void)opt;

  2202.     }

  2203. 

  2204.     // -------------------------------------------------------------------

  2205. 

  2206. public:

  2207.     static size_t getPluginCount() noexcept

  2208.     {

  2209.         return gPluginDescriptors.count();

  2210.     }

  2211. 

  2212.     static const NativePluginDescriptor* getPluginDescriptor(const size_t index) noexcept

  2213.     {

  2214.         CARLA_SAFE_ASSERT_RETURN(index < gPluginDescriptors.count(), nullptr);

  2215. 

  2216.         return gPluginDescriptors.getAt(index, nullptr);

  2217.     }

  2218. 

  2219.     // -------------------------------------------------------------------

  2220. 

  2221.     bool init(const char* const name, const char* const label)

  2222.     {

  2223.         CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr, false);

  2224. 

  2225.         // ---------------------------------------------------------------

  2226.         // first checks

  2227. 

  2228.         if (pData->client != nullptr)

  2229.         {

  2230.             pData->engine->setLastError("Plugin client is already registered");

  2231.             return false;

  2232.         }

  2233. 

  2234.         if (label == nullptr && label[0] != '\0')

  2235.         {

  2236.             pData->engine->setLastError("null label");

  2237.             return false;

  2238.         }

  2239. 

  2240.         // ---------------------------------------------------------------

  2241.         // get descriptor that matches label

  2242. 

  2243.         for (LinkedList<const NativePluginDescriptor*>::Itenerator it = gPluginDescriptors.begin(); it.valid(); it.next())

  2244.         {

  2245.             fDescriptor = it.getValue();

  2246. 

  2247.             CARLA_SAFE_ASSERT_BREAK(fDescriptor != nullptr);

  2248. 

  2249.             carla_debug("Check vs \"%s\"", fDescriptor->label);

  2250. 

  2251.             if (fDescriptor->label != nullptr && std::strcmp(fDescriptor->label, label) == 0)

  2252.                 break;

  2253. 

  2254.             fDescriptor = nullptr;

  2255.         }

  2256. 

  2257.         if (fDescriptor == nullptr)

  2258.         {

  2259.             pData->engine->setLastError("Invalid internal plugin");

  2260.             return false;

  2261.         }

  2262. 

  2263.         // ---------------------------------------------------------------

  2264.         // set icon

  2265. 

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

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

  2268.         else if (std::strcmp(fDescriptor->label, "midifile") == 0)

  2269.             pData->iconName = carla_strdup("file");

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

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

  2272. 

  2273.         else if (std::strcmp(fDescriptor->label, "3BandEQ") == 0)

  2274.             pData->iconName = carla_strdup("distrho");

  2275.         else if (std::strcmp(fDescriptor->label, "3BandSplitter") == 0)

  2276.             pData->iconName = carla_strdup("distrho");

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

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

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

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

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

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

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

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

  2285. 

  2286.         // ---------------------------------------------------------------

  2287.         // get info

  2288. 

  2289.         if (name != nullptr && name[0] != '\0')

  2290.             pData->name = pData->engine->getUniquePluginName(name);

  2291.         else if (fDescriptor->name != nullptr && fDescriptor->name[0] != '\0')

  2292.             pData->name = pData->engine->getUniquePluginName(fDescriptor->name);

  2293.         else

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

  2295. 

  2296.         {

  2297.             CARLA_ASSERT(fHost.uiName == nullptr);

  2298. 

  2299.             char uiName[std::strlen(pData->name)+6+1];

  2300.             std::strcpy(uiName, pData->name);

  2301.             std::strcat(uiName, " (GUI)");

  2302. 

  2303.             fHost.uiName = carla_strdup(uiName);

  2304.         }

  2305. 

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

  2307.         // register client

  2308. 

  2309.         pData->client = pData->engine->addClient(this);

  2310. 

  2311.         if (pData->client == nullptr || ! pData->client->isOk())

  2312.         {

  2313.             pData->engine->setLastError("Failed to register plugin client");

  2314.             return false;

  2315.         }

  2316. 

  2317.         // ---------------------------------------------------------------

  2318.         // initialize plugin

  2319. 

  2320.         fHandle = fDescriptor->instantiate(&fHost);

  2321. 

  2322.         if (fHandle == nullptr)

  2323.         {

  2324.             pData->engine->setLastError("Plugin failed to initialize");

  2325.             return false;

  2326.         }

  2327. 

  2328.         // ---------------------------------------------------------------

  2329.         // set default options

  2330. 

  2331.         const bool hasMidiProgs(fDescriptor->get_midi_program_count != nullptr && fDescriptor->get_midi_program_count(fHandle) > 0);

  2332. 

  2333.         pData->options = 0x0;

  2334. 

  2335.         if (hasMidiProgs && (fDescriptor->supports & ::PLUGIN_SUPPORTS_PROGRAM_CHANGES) == 0)

  2336.             pData->options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  2337. 

  2338.         if (getMidiInCount() > 0 || (fDescriptor->hints & ::PLUGIN_NEEDS_FIXED_BUFFERS) != 0)

  2339.             pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;

  2340. 

  2341.         if (pData->engine->getOptions().forceStereo)

  2342.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  2343. 

  2344.         if (fDescriptor->supports & ::PLUGIN_SUPPORTS_CHANNEL_PRESSURE)

  2345.             pData->options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  2346.         if (fDescriptor->supports & ::PLUGIN_SUPPORTS_NOTE_AFTERTOUCH)

  2347.             pData->options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  2348.         if (fDescriptor->supports & ::PLUGIN_SUPPORTS_PITCHBEND)

  2349.             pData->options |= PLUGIN_OPTION_SEND_PITCHBEND;

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

  2351.             pData->options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  2352. 

  2353.         return true;

  2354.     }

  2355. 

  2356. 

  2357. private:

  2358.     NativePluginHandle   fHandle;

  2359.     NativePluginHandle   fHandle2;

  2360.     NativeHostDescriptor fHost;

  2361.     const NativePluginDescriptor* fDescriptor;

  2362. 

  2363.     bool fIsProcessing;

  2364.     bool fIsUiVisible;

  2365. 

  2366.     float**         fAudioInBuffers;

  2367.     float**         fAudioOutBuffers;

  2368.     uint32_t        fMidiEventCount;

  2369.     NativeMidiEvent fMidiEvents[kPluginMaxMidiEvents*2];

  2370. 

  2371.     int32_t fCurMidiProgs[MAX_MIDI_CHANNELS];

  2372. 

  2373.     NativePluginMidiData fMidiIn;

  2374.     NativePluginMidiData fMidiOut;

  2375. 

  2376.     NativeTimeInfo fTimeInfo;

  2377. 

  2378.     // -------------------------------------------------------------------

  2379. 

  2380.     #define handlePtr ((NativePlugin*)handle)

  2381. 

  2382.     static uint32_t carla_host_get_buffer_size(NativeHostHandle handle) noexcept

  2383.     {

  2384.         return handlePtr->handleGetBufferSize();

  2385.     }

  2386. 

  2387.     static double carla_host_get_sample_rate(NativeHostHandle handle) noexcept

  2388.     {

  2389.         return handlePtr->handleGetSampleRate();

  2390.     }

  2391. 

  2392.     static bool carla_host_is_offline(NativeHostHandle handle) noexcept

  2393.     {

  2394.         return handlePtr->handleIsOffline();

  2395.     }

  2396. 

  2397.     static const NativeTimeInfo* carla_host_get_time_info(NativeHostHandle handle) noexcept

  2398.     {

  2399.         return handlePtr->handleGetTimeInfo();

  2400.     }

  2401. 

  2402.     static bool carla_host_write_midi_event(NativeHostHandle handle, const NativeMidiEvent* event)

  2403.     {

  2404.         return handlePtr->handleWriteMidiEvent(event);

  2405.     }

  2406. 

  2407.     static void carla_host_ui_parameter_changed(NativeHostHandle handle, uint32_t index, float value)

  2408.     {

  2409.         handlePtr->handleUiParameterChanged(index, value);

  2410.     }

  2411. 

  2412.     static void carla_host_ui_custom_data_changed(NativeHostHandle handle, const char* key, const char* value)

  2413.     {

  2414.         handlePtr->handleUiCustomDataChanged(key, value);

  2415.     }

  2416. 

  2417.     static void carla_host_ui_closed(NativeHostHandle handle)

  2418.     {

  2419.         handlePtr->handleUiClosed();

  2420.     }

  2421. 

  2422.     static const char* carla_host_ui_open_file(NativeHostHandle handle, bool isDir, const char* title, const char* filter)

  2423.     {

  2424.         return handlePtr->handleUiOpenFile(isDir, title, filter);

  2425.     }

  2426. 

  2427.     static const char* carla_host_ui_save_file(NativeHostHandle handle, bool isDir, const char* title, const char* filter)

  2428.     {

  2429.         return handlePtr->handleUiSaveFile(isDir, title, filter);

  2430.     }

  2431. 

  2432.     static intptr_t carla_host_dispatcher(NativeHostHandle handle, NativeHostDispatcherOpcode opcode, int32_t index, intptr_t value, void* ptr, float opt)

  2433.     {

  2434.         return handlePtr->handleDispatcher(opcode, index, value, ptr, opt);

  2435.     }

  2436. 

  2437.     #undef handlePtr

  2438. 

  2439.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(NativePlugin)

  2440. };

  2441. 

  2442. CARLA_BACKEND_END_NAMESPACE

  2443. 

  2444. #endif // WANT_NATIVE

  2445. 

  2446. // -----------------------------------------------------------------------

  2447. 

  2448. CARLA_BACKEND_START_NAMESPACE

  2449. 

  2450. #ifdef WANT_NATIVE

  2451. size_t CarlaPlugin::getNativePluginCount() noexcept

  2452. {

  2453.     return NativePlugin::getPluginCount();

  2454. }

  2455. 

  2456. const NativePluginDescriptor* CarlaPlugin::getNativePluginDescriptor(const size_t index) noexcept

  2457. {

  2458.     return NativePlugin::getPluginDescriptor(index);

  2459. }

  2460. #endif

  2461. 

  2462. // -----------------------------------------------------------------------

  2463. 

  2464. CarlaPlugin* CarlaPlugin::newNative(const Initializer& init)

  2465. {

  2466.     carla_debug("CarlaPlugin::newNative({%p, \"%s\", \"%s\", \"%s\", " P_INT64 "})", init.engine, init.filename, init.name, init.label, init.uniqueId);

  2467. 

  2468. #ifdef WANT_NATIVE

  2469.     NativePlugin* const plugin(new NativePlugin(init.engine, init.id));

  2470. 

  2471.     if (! plugin->init(init.name, init.label))

  2472.     {

  2473.         delete plugin;

  2474.         return nullptr;

  2475.     }

  2476. 

  2477.     plugin->reload();

  2478. 

  2479.     if (init.engine->getProccessMode() == ENGINE_PROCESS_MODE_CONTINUOUS_RACK && ! plugin->canRunInRack())

  2480.     {

  2481.         init.engine->setLastError("Carla's rack mode can only work with Mono or Stereo Internal plugins, sorry!");

  2482.         delete plugin;

  2483.         return nullptr;

  2484.     }

  2485. 

  2486.     return plugin;

  2487. #else

  2488.     init.engine->setLastError("Internal plugins support not available");

  2489.     return nullptr;

  2490. #endif

  2491. }

  2492. 

  2493. CARLA_BACKEND_END_NAMESPACE

  2494. 

  2495. // -----------------------------------------------------------------------