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Carla
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Audio plugin host https://kx.studio/carla
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Carla/source/backend/plugin/CarlaPluginNative.cpp

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  1. /*

  2.  * Carla Native Plugin

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

  4.  *

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

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

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

  8.  * the License, or any later version.

  9.  *

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

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

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

  13.  * GNU General Public License for more details.

  14.  *

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

  16.  */

  17. 

  18. #include "CarlaPluginInternal.hpp"

  19. #include "CarlaEngine.hpp"

  20. 

  21. #include "CarlaMathUtils.hpp"

  22. #include "CarlaNative.h"

  23. 

  24. #include "juce_core.h"

  25. 

  26. using juce::String;

  27. using juce::StringArray;

  28. 

  29. // -----------------------------------------------------------------------

  30. 

  31. CARLA_EXTERN_C

  32. std::size_t carla_getNativePluginCount();

  33. 

  34. CARLA_EXTERN_C

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

  36. 

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

  38. 

  39. static LinkedList<const NativePluginDescriptor*> gPluginDescriptors;

  40. 

  41. void carla_register_native_plugin(const NativePluginDescriptor* desc)

  42. {

  43.     gPluginDescriptors.append(desc);

  44. }

  45. 

  46. std::size_t carla_getNativePluginCount()

  47. {

  48.     return gPluginDescriptors.count();

  49. }

  50. 

  51. const NativePluginDescriptor* carla_getNativePluginDescriptor(const std::size_t index)

  52. {

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

  54. }

  55. 

  56. // -----------------------------------------------------

  57. 

  58. CARLA_BACKEND_START_NAMESPACE

  59. 

  60. // -----------------------------------------------------

  61. 

  62. struct NativePluginMidiData {

  63.     uint32_t  count;

  64.     uint32_t* indexes;

  65.     CarlaEngineEventPort** ports;

  66. 

  67.     NativePluginMidiData() noexcept

  68.         : count(0),

  69.           indexes(nullptr),

  70.           ports(nullptr) {}

  71. 

  72.     ~NativePluginMidiData() noexcept

  73.     {

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

  75.         CARLA_SAFE_ASSERT(indexes == nullptr);

  76.         CARLA_SAFE_ASSERT(ports == nullptr);

  77.     }

  78. 

  79.     void createNew(const uint32_t newCount)

  80.     {

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

  82.         CARLA_SAFE_ASSERT_RETURN(indexes == nullptr,);

  83.         CARLA_SAFE_ASSERT_RETURN(ports == nullptr,);

  84.         CARLA_SAFE_ASSERT_RETURN(newCount > 0,);

  85. 

  86.         indexes = new uint32_t[newCount];

  87.         ports   = new CarlaEngineEventPort*[newCount];

  88.         count   = newCount;

  89. 

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

  91.             indexes[i] = 0;

  92. 

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

  94.             ports[i] = nullptr;

  95.     }

  96. 

  97.     void clear() noexcept

  98.     {

  99.         if (ports != nullptr)

  100.         {

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

  102.             {

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

  104.                 {

  105.                     delete ports[i];

  106.                     ports[i] = nullptr;

  107.                 }

  108.             }

  109. 

  110.             delete[] ports;

  111.             ports = nullptr;

  112.         }

  113. 

  114.         if (indexes != nullptr)

  115.         {

  116.             delete[] indexes;

  117.             indexes = nullptr;

  118.         }

  119. 

  120.         count = 0;

  121.     }

  122. 

  123.     void initBuffers() const noexcept

  124.     {

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

  126.         {

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

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

  129.         }

  130.     }

  131. 

  132.     CARLA_DECLARE_NON_COPY_STRUCT(NativePluginMidiData)

  133. };

  134. 

  135. // -----------------------------------------------------

  136. 

  137. static const

  138. struct ScopedInitializer {

  139.     ScopedInitializer()

  140.     {

  141.         carla_register_all_plugins();

  142.     }

  143. 

  144.     ~ScopedInitializer() noexcept

  145.     {

  146.         gPluginDescriptors.clear();

  147.     }

  148. } _si;

  149. 

  150. // -----------------------------------------------------

  151. 

  152. class CarlaPluginNative : public CarlaPlugin

  153. {

  154. public:

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

  156.         : CarlaPlugin(engine, id),

  157.           fHandle(nullptr),

  158.           fHandle2(nullptr),

  159.           fHost(),

  160.           fDescriptor(nullptr),

  161.           fIsProcessing(false),

  162.           fIsUiVisible(false),

  163.           fAudioInBuffers(nullptr),

  164.           fAudioOutBuffers(nullptr),

  165.           fMidiEventCount(0),

  166.           fMidiIn(),

  167.           fMidiOut(),

  168.           fTimeInfo(),

  169.           leakDetector_CarlaPluginNative()

  170.     {

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

  172. 

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

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

  175.         carla_zeroStruct<NativeTimeInfo>(fTimeInfo);

  176. 

  177.         fHost.handle      = this;

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

  179.         fHost.uiName      = nullptr;

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

  181. 

  182.         fHost.get_buffer_size        = carla_host_get_buffer_size;

  183.         fHost.get_sample_rate        = carla_host_get_sample_rate;

  184.         fHost.is_offline             = carla_host_is_offline;

  185.         fHost.get_time_info          = carla_host_get_time_info;

  186.         fHost.write_midi_event       = carla_host_write_midi_event;

  187.         fHost.ui_parameter_changed   = carla_host_ui_parameter_changed;

  188.         fHost.ui_custom_data_changed = carla_host_ui_custom_data_changed;

  189.         fHost.ui_closed              = carla_host_ui_closed;

  190.         fHost.ui_open_file           = carla_host_ui_open_file;

  191.         fHost.ui_save_file           = carla_host_ui_save_file;

  192.         fHost.dispatcher             = carla_host_dispatcher;

  193.     }

  194. 

  195.     ~CarlaPluginNative() override

  196.     {

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

  198. 

  199.         // close UI

  200.         if (pData->hints & PLUGIN_HAS_CUSTOM_UI)

  201.         {

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

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

  204. 

  205.             pData->transientTryCounter = 0;

  206.         }

  207. 

  208.         pData->singleMutex.lock();

  209.         pData->masterMutex.lock();

  210. 

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

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

  213. 

  214.         CARLA_ASSERT(! fIsProcessing);

  215. 

  216.         if (pData->active)

  217.         {

  218.             deactivate();

  219.             pData->active = false;

  220.         }

  221. 

  222.         if (fDescriptor != nullptr)

  223.         {

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

  225.             {

  226.                 if (fHandle != nullptr)

  227.                     fDescriptor->cleanup(fHandle);

  228.                 if (fHandle2 != nullptr)

  229.                     fDescriptor->cleanup(fHandle2);

  230.             }

  231. 

  232.             fHandle  = nullptr;

  233.             fHandle2 = nullptr;

  234.             fDescriptor = nullptr;

  235.         }

  236. 

  237.         if (fHost.resourceDir != nullptr)

  238.         {

  239.             delete[] fHost.resourceDir;

  240.             fHost.resourceDir = nullptr;

  241.         }

  242. 

  243.         if (fHost.uiName != nullptr)

  244.         {

  245.             delete[] fHost.uiName;

  246.             fHost.uiName = nullptr;

  247.         }

  248. 

  249.         clearBuffers();

  250.     }

  251. 

  252.     // -------------------------------------------------------------------

  253.     // Information (base)

  254. 

  255.     PluginType getType() const noexcept override

  256.     {

  257.         return PLUGIN_INTERNAL;

  258.     }

  259. 

  260.     PluginCategory getCategory() const noexcept override

  261.     {

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

  263. 

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

  265.     }

  266. 

  267.     // -------------------------------------------------------------------

  268.     // Information (count)

  269. 

  270.     uint32_t getMidiInCount() const noexcept override

  271.     {

  272.         return fMidiIn.count;

  273.     }

  274. 

  275.     uint32_t getMidiOutCount() const noexcept override

  276.     {

  277.         return fMidiOut.count;

  278.     }

  279. 

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

  281.     {

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

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

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

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

  286. 

  287.         // FIXME - try

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

  289.             return param->scalePointCount;

  290. 

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

  292.         return 0;

  293.     }

  294. 

  295.     // -------------------------------------------------------------------

  296.     // Information (current data)

  297. 

  298.     // nothing

  299. 

  300.     // -------------------------------------------------------------------

  301.     // Information (per-plugin data)

  302. 

  303.     uint getOptionsAvailable() const noexcept override

  304.     {

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

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

  307. 

  308.         // FIXME - try

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

  310. 

  311.         uint options = 0x0;

  312. 

  313.         if (hasMidiProgs && (fDescriptor->supports & NATIVE_PLUGIN_SUPPORTS_PROGRAM_CHANGES) == 0)

  314.             options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  315. 

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

  317.             options |= PLUGIN_OPTION_FIXED_BUFFERS;

  318. 

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

  320.         {

  321.             if (pData->options & PLUGIN_OPTION_FORCE_STEREO)

  322.                 options |= PLUGIN_OPTION_FORCE_STEREO;

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

  324.                 options |= PLUGIN_OPTION_FORCE_STEREO;

  325.         }

  326. 

  327.         if (fDescriptor->supports & NATIVE_PLUGIN_SUPPORTS_CONTROL_CHANGES)

  328.             options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  329.         if (fDescriptor->supports & NATIVE_PLUGIN_SUPPORTS_CHANNEL_PRESSURE)

  330.             options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  331.         if (fDescriptor->supports & NATIVE_PLUGIN_SUPPORTS_NOTE_AFTERTOUCH)

  332.             options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  333.         if (fDescriptor->supports & NATIVE_PLUGIN_SUPPORTS_PITCHBEND)

  334.             options |= PLUGIN_OPTION_SEND_PITCHBEND;

  335.         if (fDescriptor->supports & NATIVE_PLUGIN_SUPPORTS_ALL_SOUND_OFF)

  336.             options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  337. 

  338.         return options;

  339.     }

  340. 

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

  342.     {

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

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

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

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

  347. 

  348.         // FIXME - try

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

  350.     }

  351. 

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

  353.     {

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

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

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

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

  358. 

  359.         // FIXME - try

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

  361.         {

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

  363. 

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

  365.             return scalePoint->value;

  366.         }

  367. 

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

  369.         return 0.0f;

  370.     }

  371. 

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

  373.     {

  374.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  375. 

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

  377.         {

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

  379.             return;

  380.         }

  381. 

  382.         CarlaPlugin::getLabel(strBuf);

  383.     }

  384. 

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

  386.     {

  387.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  388. 

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

  390.         {

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

  392.             return;

  393.         }

  394. 

  395.         CarlaPlugin::getMaker(strBuf);

  396.     }

  397. 

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

  399.     {

  400.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  401. 

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

  403.         {

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

  405.             return;

  406.         }

  407. 

  408.         CarlaPlugin::getCopyright(strBuf);

  409.     }

  410. 

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

  412.     {

  413.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  414. 

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

  416.         {

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

  418.             return;

  419.         }

  420. 

  421.         CarlaPlugin::getRealName(strBuf);

  422.     }

  423. 

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

  425.     {

  426.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

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

  428.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  430. 

  431.         // FIXME - try

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

  433.         {

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

  435.             {

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

  437.                 return;

  438.             }

  439. 

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

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

  442.         }

  443. 

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

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

  446.     }

  447. 

  448.     void getParameterText(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_text != nullptr,);

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

  453.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  455. 

  456.         // FIXME - try

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

  458.         {

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

  460.             return;

  461.         }

  462. 

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

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

  465.     }

  466. 

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

  468.     {

  469.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

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

  471.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  473. 

  474.         // FIXME - try

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

  476.         {

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

  478.             {

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

  480.                 return;

  481.             }

  482. 

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

  484.         }

  485. 

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

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

  488.     }

  489. 

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

  491.     {

  492.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

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

  494.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  496. 

  497.         // FIXME - try

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

  499.         {

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

  501. 

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

  503. 

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

  505.             {

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

  507.                 return;

  508.             }

  509. 

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

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

  512.         }

  513. 

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

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

  516.     }

  517. 

  518.     // -------------------------------------------------------------------

  519.     // Set data (state)

  520. 

  521.     void prepareForSave() override

  522.     {

  523.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  524.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  525. 

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

  527.         {

  528.             char strBuf[STR_MAX+1];

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

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

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

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

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

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

  535. 

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

  537.         }

  538. 

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

  540.             return;

  541. 

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

  543.         {

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

  545.             std::free(data);

  546.         }

  547.     }

  548. 

  549.     // -------------------------------------------------------------------

  550.     // Set data (internal stuff)

  551. 

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

  553.     {

  554.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  555.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  557. 

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

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

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

  561. 

  562.         if (fHost.uiName != nullptr)

  563.             delete[] fHost.uiName;

  564.         fHost.uiName = carla_strdup(uiName);

  565. 

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

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

  568. 

  569.         CarlaPlugin::setName(newName);

  570.     }

  571. 

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

  573.     {

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

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

  576. 

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

  578.     }

  579. 

  580.     // -------------------------------------------------------------------

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

  582. 

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

  584.     {

  585.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

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

  587.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  589. 

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

  591. 

  592.         // FIXME - try

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

  594. 

  595.         if (fHandle2 != nullptr)

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

  597. 

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

  599.     }

  600. 

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

  602.     {

  603.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  604.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

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

  607.         CARLA_SAFE_ASSERT_RETURN(value != nullptr,);

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

  609. 

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

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

  612. 

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

  614.         {

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

  616.             {

  617.                 const ScopedSingleProcessLocker spl(this, true);

  618. 

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

  620. 

  621.                 if (fHandle2 != nullptr)

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

  623.             }

  624.         }

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

  626.         {

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

  628. 

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

  630.             {

  631.                 uint8_t channel = 0;

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

  633.                 {

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

  635. 

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

  637.                     {

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

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

  640. 

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

  642. 

  643.                         if (fHandle2 != nullptr)

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

  645. 

  646.                         fCurMidiProgs[channel] = index;

  647. 

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

  649.                         {

  650.                             pData->midiprog.current = index;

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

  652.                         }

  653.                     }

  654. 

  655.                     ++channel;

  656.                 }

  657.                 CARLA_SAFE_ASSERT(channel == MAX_MIDI_CHANNELS);

  658.             }

  659.         }

  660.         else

  661.         {

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

  663.             {

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

  665. 

  666.                 if (fHandle2 != nullptr)

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

  668.             }

  669. 

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

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

  672.         }

  673. 

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

  675.     }

  676. 

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

  678.     {

  679.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  680.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  682. 

  683.         // TODO, put into check below

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

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

  686. 

  687.         if (index >= 0)

  688.         {

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

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

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

  692. 

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

  694. 

  695.             try {

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

  697.             } catch(...) {}

  698. 

  699.             if (fHandle2 != nullptr)

  700.             {

  701.                 try {

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

  703.                 } catch(...) {}

  704.             }

  705. 

  706.             fCurMidiProgs[channel] = index;

  707.         }

  708. 

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

  710.     }

  711. 

  712.     // -------------------------------------------------------------------

  713.     // Set ui stuff

  714. 

  715.     void showCustomUI(const bool yesNo) override

  716.     {

  717.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  718.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  719. 

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

  721.             return;

  722. 

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

  724. 

  725.         if (fIsUiVisible == yesNo)

  726.             return;

  727. 

  728.         fIsUiVisible = yesNo;

  729. 

  730.         if (! yesNo)

  731.         {

  732.             pData->transientTryCounter = 0;

  733.             return;

  734.         }

  735. 

  736. #ifndef BUILD_BRIDGE

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

  738.             pData->tryTransient();

  739. #endif

  740. 

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

  742.         {

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

  744.             {

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

  746. 

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

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

  749.             }

  750.         }

  751. 

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

  753.         {

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

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

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

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

  758. 

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

  760.         }

  761. 

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

  763.         {

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

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

  766.         }

  767.     }

  768. 

  769.     void idle() override

  770.     {

  771.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  772.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  773. 

  774.         if (fDescriptor->idle != nullptr && (fDescriptor->hints & ::NATIVE_PLUGIN_NEEDS_DSP_IDLE) != 0)

  775.             fDescriptor->idle(fHandle);

  776. 

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

  778.             fDescriptor->ui_idle(fHandle);

  779. 

  780.         CarlaPlugin::idle();

  781.     }

  782. 

  783.     // -------------------------------------------------------------------

  784.     // Plugin state

  785. 

  786.     void reload() override

  787.     {

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

  789.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  790.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  792. 

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

  794. 

  795.         // Safely disable plugin for reload

  796.         const ScopedDisabler sd(this);

  797. 

  798.         if (pData->active)

  799.             deactivate();

  800. 

  801.         clearBuffers();

  802. 

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

  804. 

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

  806. 

  807.         bool forcedStereoIn, forcedStereoOut;

  808.         forcedStereoIn = forcedStereoOut = false;

  809. 

  810.         bool needsCtrlIn, needsCtrlOut;

  811.         needsCtrlIn = needsCtrlOut = false;

  812. 

  813.         aIns   = fDescriptor->audioIns;

  814.         aOuts  = fDescriptor->audioOuts;

  815.         mIns   = fDescriptor->midiIns;

  816.         mOuts  = fDescriptor->midiOuts;

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

  818. 

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

  820.         {

  821.             if (fHandle2 == nullptr)

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

  823. 

  824.             if (fHandle2 != nullptr)

  825.             {

  826.                 if (aIns == 1)

  827.                 {

  828.                     aIns = 2;

  829.                     forcedStereoIn = true;

  830.                 }

  831. 

  832.                 if (aOuts == 1)

  833.                 {

  834.                     aOuts = 2;

  835.                     forcedStereoOut = true;

  836.                 }

  837.             }

  838.         }

  839. 

  840.         if (aIns > 0)

  841.         {

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

  843.             fAudioInBuffers = new float*[aIns];

  844. 

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

  846.                 fAudioInBuffers[i] = nullptr;

  847.         }

  848. 

  849.         if (aOuts > 0)

  850.         {

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

  852.             fAudioOutBuffers = new float*[aOuts];

  853.             needsCtrlIn = true;

  854. 

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

  856.                 fAudioOutBuffers[i] = nullptr;

  857.         }

  858. 

  859.         if (mIns > 0)

  860.         {

  861.             fMidiIn.createNew(mIns);

  862.             needsCtrlIn = (mIns == 1);

  863.         }

  864. 

  865.         if (mOuts > 0)

  866.         {

  867.             fMidiOut.createNew(mOuts);

  868.             needsCtrlOut = (mOuts == 1);

  869.         }

  870. 

  871.         if (params > 0)

  872.         {

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

  874.         }

  875. 

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

  877.         CarlaString portName;

  878. 

  879.         // Audio Ins

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

  881.         {

  882.             portName.clear();

  883. 

  884.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  885.             {

  886.                 portName  = pData->name;

  887.                 portName += ":";

  888.             }

  889. 

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

  891.             {

  892.                 portName += "input_";

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

  894.             }

  895.             else

  896.                 portName += "input";

  897. 

  898.             portName.truncate(portNameSize);

  899. 

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

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

  902. 

  903.             if (forcedStereoIn)

  904.             {

  905.                 portName += "_2";

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

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

  908.                 break;

  909.             }

  910.         }

  911. 

  912.         // Audio Outs

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

  914.         {

  915.             portName.clear();

  916. 

  917.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  918.             {

  919.                 portName  = pData->name;

  920.                 portName += ":";

  921.             }

  922. 

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

  924.             {

  925.                 portName += "output_";

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

  927.             }

  928.             else

  929.                 portName += "output";

  930. 

  931.             portName.truncate(portNameSize);

  932. 

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

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

  935. 

  936.             if (forcedStereoOut)

  937.             {

  938.                 portName += "_2";

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

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

  941.                 break;

  942.             }

  943.         }

  944. 

  945.         // MIDI Input (only if multiple)

  946.         if (mIns > 1)

  947.         {

  948.             for (j=0; j < mIns; ++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-in_";

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

  960.                 portName.truncate(portNameSize);

  961. 

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

  963.                 fMidiIn.indexes[j] = j;

  964.             }

  965.         }

  966. 

  967.         // MIDI Output (only if multiple)

  968.         if (mOuts > 1)

  969.         {

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

  971.             {

  972.                 portName.clear();

  973. 

  974.                 if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  975.                 {

  976.                     portName  = pData->name;

  977.                     portName += ":";

  978.                 }

  979. 

  980.                 portName += "midi-out_";

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

  982.                 portName.truncate(portNameSize);

  983. 

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

  985.                 fMidiOut.indexes[j] = j;

  986.             }

  987.         }

  988. 

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

  990.         {

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

  992. 

  993.             CARLA_SAFE_ASSERT_CONTINUE(paramInfo != nullptr);

  994. 

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

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

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

  998. 

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

  1000. 

  1001.             // min value

  1002.             min = paramInfo->ranges.min;

  1003. 

  1004.             // max value

  1005.             max = paramInfo->ranges.max;

  1006. 

  1007.             if (min > max)

  1008.                 max = min;

  1009.             else if (max < min)

  1010.                 min = max;

  1011. 

  1012.             if (carla_compareFloats(min, max))

  1013.             {

  1014.                 carla_stderr2("WARNING - Broken plugin parameter '%s': max == min", paramInfo->name);

  1015.                 max = min + 0.1f;

  1016.             }

  1017. 

  1018.             // default value

  1019.             def = paramInfo->ranges.def;

  1020. 

  1021.             if (def < min)

  1022.                 def = min;

  1023.             else if (def > max)

  1024.                 def = max;

  1025. 

  1026.             if (paramInfo->hints & NATIVE_PARAMETER_USES_SAMPLE_RATE)

  1027.             {

  1028.                 min *= sampleRate;

  1029.                 max *= sampleRate;

  1030.                 def *= sampleRate;

  1031.                 pData->param.data[j].hints |= PARAMETER_USES_SAMPLERATE;

  1032.             }

  1033. 

  1034.             if (paramInfo->hints & NATIVE_PARAMETER_IS_BOOLEAN)

  1035.             {

  1036.                 step = max - min;

  1037.                 stepSmall = step;

  1038.                 stepLarge = step;

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

  1040.             }

  1041.             else if (paramInfo->hints & NATIVE_PARAMETER_IS_INTEGER)

  1042.             {

  1043.                 step = 1.0f;

  1044.                 stepSmall = 1.0f;

  1045.                 stepLarge = 10.0f;

  1046.                 pData->param.data[j].hints |= PARAMETER_IS_INTEGER;

  1047.             }

  1048.             else

  1049.             {

  1050.                 float range = max - min;

  1051.                 step = range/100.0f;

  1052.                 stepSmall = range/1000.0f;

  1053.                 stepLarge = range/10.0f;

  1054.             }

  1055. 

  1056.             if (paramInfo->hints & NATIVE_PARAMETER_IS_OUTPUT)

  1057.             {

  1058.                 pData->param.data[j].type = PARAMETER_OUTPUT;

  1059.                 needsCtrlOut = true;

  1060.             }

  1061.             else

  1062.             {

  1063.                 pData->param.data[j].type = PARAMETER_INPUT;

  1064.                 needsCtrlIn = true;

  1065.             }

  1066. 

  1067.             // extra parameter hints

  1068.             if (paramInfo->hints & NATIVE_PARAMETER_IS_ENABLED)

  1069.                 pData->param.data[j].hints |= PARAMETER_IS_ENABLED;

  1070. 

  1071.             if (paramInfo->hints & NATIVE_PARAMETER_IS_AUTOMABLE)

  1072.                 pData->param.data[j].hints |= PARAMETER_IS_AUTOMABLE;

  1073. 

  1074.             if (paramInfo->hints & NATIVE_PARAMETER_IS_LOGARITHMIC)

  1075.                 pData->param.data[j].hints |= PARAMETER_IS_LOGARITHMIC;

  1076. 

  1077.             if (paramInfo->hints & NATIVE_PARAMETER_USES_SCALEPOINTS)

  1078.                 pData->param.data[j].hints |= PARAMETER_USES_SCALEPOINTS;

  1079. 

  1080.             if (paramInfo->hints & NATIVE_PARAMETER_USES_CUSTOM_TEXT)

  1081.                 pData->param.data[j].hints |= PARAMETER_USES_CUSTOM_TEXT;

  1082. 

  1083.             pData->param.ranges[j].min = min;

  1084.             pData->param.ranges[j].max = max;

  1085.             pData->param.ranges[j].def = def;

  1086.             pData->param.ranges[j].step = step;

  1087.             pData->param.ranges[j].stepSmall = stepSmall;

  1088.             pData->param.ranges[j].stepLarge = stepLarge;

  1089.         }

  1090. 

  1091.         if (needsCtrlIn)

  1092.         {

  1093.             portName.clear();

  1094. 

  1095.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1096.             {

  1097.                 portName  = pData->name;

  1098.                 portName += ":";

  1099.             }

  1100. 

  1101.             portName += "events-in";

  1102.             portName.truncate(portNameSize);

  1103. 

  1104.             pData->event.portIn = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, true);

  1105.         }

  1106. 

  1107.         if (needsCtrlOut)

  1108.         {

  1109.             portName.clear();

  1110. 

  1111.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1112.             {

  1113.                 portName  = pData->name;

  1114.                 portName += ":";

  1115.             }

  1116. 

  1117.             portName += "events-out";

  1118.             portName.truncate(portNameSize);

  1119. 

  1120.             pData->event.portOut = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, false);

  1121.         }

  1122. 

  1123.         if (forcedStereoIn || forcedStereoOut)

  1124.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  1125.         else

  1126.             pData->options &= ~PLUGIN_OPTION_FORCE_STEREO;

  1127. 

  1128.         // plugin hints

  1129.         pData->hints = 0x0;

  1130. 

  1131.         if (aOuts > 0 && (aIns == aOuts || aIns == 1))

  1132.             pData->hints |= PLUGIN_CAN_DRYWET;

  1133. 

  1134.         if (aOuts > 0)

  1135.             pData->hints |= PLUGIN_CAN_VOLUME;

  1136. 

  1137.         if (aOuts >= 2 && aOuts % 2 == 0)

  1138.             pData->hints |= PLUGIN_CAN_BALANCE;

  1139. 

  1140.         // native plugin hints

  1141.         if (fDescriptor->hints & NATIVE_PLUGIN_IS_RTSAFE)

  1142.             pData->hints |= PLUGIN_IS_RTSAFE;

  1143.         if (fDescriptor->hints & NATIVE_PLUGIN_IS_SYNTH)

  1144.             pData->hints |= PLUGIN_IS_SYNTH;

  1145.         if (fDescriptor->hints & NATIVE_PLUGIN_HAS_UI)

  1146.             pData->hints |= PLUGIN_HAS_CUSTOM_UI;

  1147.         if (fDescriptor->hints & NATIVE_PLUGIN_NEEDS_SINGLE_THREAD)

  1148.             pData->hints |= PLUGIN_NEEDS_SINGLE_THREAD;

  1149.         if (fDescriptor->hints & NATIVE_PLUGIN_NEEDS_FIXED_BUFFERS)

  1150.             pData->hints |= PLUGIN_NEEDS_FIXED_BUFFERS;

  1151. 

  1152.         // extra plugin hints

  1153.         pData->extraHints = 0x0;

  1154. 

  1155.         if (aIns <= 2 && aOuts <= 2 && (aIns == aOuts || aIns == 0 || aOuts == 0) && mIns <= 1 && mOuts <= 1)

  1156.             pData->extraHints |= PLUGIN_EXTRA_HINT_CAN_RUN_RACK;

  1157. 

  1158.         if (fDescriptor->hints & NATIVE_PLUGIN_USES_MULTI_PROGS)

  1159.             pData->extraHints |= PLUGIN_EXTRA_HINT_USES_MULTI_PROGS;

  1160. 

  1161.         bufferSizeChanged(pData->engine->getBufferSize());

  1162.         reloadPrograms(true);

  1163. 

  1164.         if (pData->active)

  1165.             activate();

  1166. 

  1167.         carla_debug("CarlaPluginNative::reload() - end");

  1168.     }

  1169. 

  1170.     void reloadPrograms(const bool doInit) override

  1171.     {

  1172.         carla_debug("CarlaPluginNative::reloadPrograms(%s)", bool2str(doInit));

  1173.         uint32_t i, oldCount  = pData->midiprog.count;

  1174.         const int32_t current = pData->midiprog.current;

  1175. 

  1176.         // Delete old programs

  1177.         pData->midiprog.clear();

  1178. 

  1179.         // Query new programs

  1180.         uint32_t count = 0;

  1181.         if (fDescriptor->get_midi_program_count != nullptr && fDescriptor->get_midi_program_info != nullptr && fDescriptor->set_midi_program != nullptr)

  1182.             count = fDescriptor->get_midi_program_count(fHandle);

  1183. 

  1184.         if (count > 0)

  1185.         {

  1186.             pData->midiprog.createNew(count);

  1187. 

  1188.             // Update data

  1189.             for (i=0; i < count; ++i)

  1190.             {

  1191.                 const NativeMidiProgram* const mpDesc(fDescriptor->get_midi_program_info(fHandle, i));

  1192.                 CARLA_SAFE_ASSERT_CONTINUE(mpDesc != nullptr);

  1193. 

  1194.                 pData->midiprog.data[i].bank    = mpDesc->bank;

  1195.                 pData->midiprog.data[i].program = mpDesc->program;

  1196.                 pData->midiprog.data[i].name    = carla_strdup(mpDesc->name);

  1197.             }

  1198.         }

  1199. 

  1200. #ifndef BUILD_BRIDGE

  1201.         // Update OSC Names

  1202.         if (pData->engine->isOscControlRegistered())

  1203.         {

  1204.             pData->engine->oscSend_control_set_midi_program_count(pData->id, count);

  1205. 

  1206.             for (i=0; i < count; ++i)

  1207.                 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);

  1208.         }

  1209. #endif

  1210. 

  1211.         if (doInit)

  1212.         {

  1213.             if (count > 0)

  1214.                 setMidiProgram(0, false, false, false);

  1215.         }

  1216.         else

  1217.         {

  1218.             // Check if current program is invalid

  1219.             bool programChanged = false;

  1220. 

  1221.             if (count == oldCount+1)

  1222.             {

  1223.                 // one midi program added, probably created by user

  1224.                 pData->midiprog.current = static_cast<int32_t>(oldCount);

  1225.                 programChanged = true;

  1226.             }

  1227.             else if (current < 0 && count > 0)

  1228.             {

  1229.                 // programs exist now, but not before

  1230.                 pData->midiprog.current = 0;

  1231.                 programChanged = true;

  1232.             }

  1233.             else if (current >= 0 && count == 0)

  1234.             {

  1235.                 // programs existed before, but not anymore

  1236.                 pData->midiprog.current = -1;

  1237.                 programChanged = true;

  1238.             }

  1239.             else if (current >= static_cast<int32_t>(count))

  1240.             {

  1241.                 // current midi program > count

  1242.                 pData->midiprog.current = 0;

  1243.                 programChanged = true;

  1244.             }

  1245.             else

  1246.             {

  1247.                 // no change

  1248.                 pData->midiprog.current = current;

  1249.             }

  1250. 

  1251.             if (programChanged)

  1252.                 setMidiProgram(pData->midiprog.current, true, true, true);

  1253. 

  1254.             pData->engine->callback(ENGINE_CALLBACK_RELOAD_PROGRAMS, pData->id, 0, 0, 0.0f, nullptr);

  1255.         }

  1256.     }

  1257. 

  1258.     // -------------------------------------------------------------------

  1259.     // Plugin processing

  1260. 

  1261.     void activate() noexcept override

  1262.     {

  1263.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1264.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  1265. 

  1266.         if (fDescriptor->activate != nullptr)

  1267.         {

  1268.             try {

  1269.                 fDescriptor->activate(fHandle);

  1270.             } catch(...) {}

  1271. 

  1272.             if (fHandle2 != nullptr)

  1273.             {

  1274.                 try {

  1275.                     fDescriptor->activate(fHandle2);

  1276.                 } catch(...) {}

  1277.             }

  1278.         }

  1279.     }

  1280. 

  1281.     void deactivate() noexcept override

  1282.     {

  1283.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1284.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  1285. 

  1286.         if (fDescriptor->deactivate != nullptr)

  1287.         {

  1288.             try {

  1289.                 fDescriptor->deactivate(fHandle);

  1290.             } catch(...) {}

  1291. 

  1292.             if (fHandle2 != nullptr)

  1293.             {

  1294.                 try {

  1295.                     fDescriptor->deactivate(fHandle2);

  1296.                 } catch(...) {}

  1297.             }

  1298.         }

  1299.     }

  1300. 

  1301.     void process(const float** const audioIn, float** const audioOut, const float** const cvIn, float** const cvOut, const uint32_t frames) override

  1302.     {

  1303.         // --------------------------------------------------------------------------------------------------------

  1304.         // Check if active

  1305. 

  1306.         if (! pData->active)

  1307.         {

  1308.             // disable any output sound

  1309.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1310.                 FloatVectorOperations::clear(audioOut[i], static_cast<int>(frames));

  1311.             for (uint32_t i=0; i < pData->cvOut.count; ++i)

  1312.                 FloatVectorOperations::clear(cvOut[i], static_cast<int>(frames));

  1313.             return;

  1314.         }

  1315. 

  1316.         fMidiEventCount = 0;

  1317.         carla_zeroStruct<NativeMidiEvent>(fMidiEvents, kPluginMaxMidiEvents*2);

  1318. 

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

  1320.         // Check if needs reset

  1321. 

  1322.         if (pData->needsReset)

  1323.         {

  1324.             if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1325.             {

  1326.                 fMidiEventCount = MAX_MIDI_CHANNELS*2;

  1327. 

  1328.                 for (uint8_t k=0, i=MAX_MIDI_CHANNELS; k < MAX_MIDI_CHANNELS; ++k)

  1329.                 {

  1330.                     fMidiEvents[k].data[0] = uint8_t(MIDI_STATUS_CONTROL_CHANGE | (k & MIDI_CHANNEL_BIT));

  1331.                     fMidiEvents[k].data[1] = MIDI_CONTROL_ALL_NOTES_OFF;

  1332.                     fMidiEvents[k].data[2] = 0;

  1333.                     fMidiEvents[k].size    = 3;

  1334. 

  1335.                     fMidiEvents[k+i].data[0] = uint8_t(MIDI_STATUS_CONTROL_CHANGE | (k & MIDI_CHANNEL_BIT));

  1336.                     fMidiEvents[k+i].data[1] = MIDI_CONTROL_ALL_SOUND_OFF;

  1337.                     fMidiEvents[k+i].data[2] = 0;

  1338.                     fMidiEvents[k+i].size    = 3;

  1339.                 }

  1340.             }

  1341.             else if (pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1342.             {

  1343.                 fMidiEventCount = MAX_MIDI_NOTE;

  1344. 

  1345.                 for (uint8_t k=0; k < MAX_MIDI_NOTE; ++k)

  1346.                 {

  1347.                     fMidiEvents[k].data[0] = uint8_t(MIDI_STATUS_NOTE_OFF | (pData->ctrlChannel & MIDI_CHANNEL_BIT));

  1348.                     fMidiEvents[k].data[1] = k;

  1349.                     fMidiEvents[k].data[2] = 0;

  1350.                     fMidiEvents[k].size    = 3;

  1351.                 }

  1352.             }

  1353. 

  1354.             pData->needsReset = false;

  1355.         }

  1356. 

  1357.         // --------------------------------------------------------------------------------------------------------

  1358.         // Set TimeInfo

  1359. 

  1360.         const EngineTimeInfo& timeInfo(pData->engine->getTimeInfo());

  1361. 

  1362.         fTimeInfo.playing = timeInfo.playing;

  1363.         fTimeInfo.frame   = timeInfo.frame;

  1364.         fTimeInfo.usecs   = timeInfo.usecs;

  1365. 

  1366.         if (timeInfo.valid & EngineTimeInfo::kValidBBT)

  1367.         {

  1368.             fTimeInfo.bbt.valid = true;

  1369. 

  1370.             fTimeInfo.bbt.bar  = timeInfo.bbt.bar;

  1371.             fTimeInfo.bbt.beat = timeInfo.bbt.beat;

  1372.             fTimeInfo.bbt.tick = timeInfo.bbt.tick;

  1373.             fTimeInfo.bbt.barStartTick = timeInfo.bbt.barStartTick;

  1374. 

  1375.             fTimeInfo.bbt.beatsPerBar = timeInfo.bbt.beatsPerBar;

  1376.             fTimeInfo.bbt.beatType    = timeInfo.bbt.beatType;

  1377. 

  1378.             fTimeInfo.bbt.ticksPerBeat   = timeInfo.bbt.ticksPerBeat;

  1379.             fTimeInfo.bbt.beatsPerMinute = timeInfo.bbt.beatsPerMinute;

  1380.         }

  1381.         else

  1382.             fTimeInfo.bbt.valid = false;

  1383. 

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

  1385.         // Event Input and Processing

  1386. 

  1387.         if (pData->event.portIn != nullptr)

  1388.         {

  1389.             // ----------------------------------------------------------------------------------------------------

  1390.             // MIDI Input (External)

  1391. 

  1392.             if (pData->extNotes.mutex.tryLock())

  1393.             {

  1394.                 ExternalMidiNote note = { 0, 0, 0 };

  1395. 

  1396.                 for (; fMidiEventCount < kPluginMaxMidiEvents*2 && ! pData->extNotes.data.isEmpty();)

  1397.                 {

  1398.                     note = pData->extNotes.data.getFirst(note, true);

  1399. 

  1400.                     CARLA_SAFE_ASSERT_CONTINUE(note.channel >= 0 && note.channel < MAX_MIDI_CHANNELS);

  1401. 

  1402.                     NativeMidiEvent& nativeEvent(fMidiEvents[fMidiEventCount++]);

  1403. 

  1404.                     nativeEvent.data[0] = uint8_t((note.velo > 0 ? MIDI_STATUS_NOTE_ON : MIDI_STATUS_NOTE_OFF) | (note.channel & MIDI_CHANNEL_BIT));

  1405.                     nativeEvent.data[1] = note.note;

  1406.                     nativeEvent.data[2] = note.velo;

  1407.                     nativeEvent.size    = 3;

  1408.                 }

  1409. 

  1410.                 pData->extNotes.mutex.unlock();

  1411. 

  1412.             } // End of MIDI Input (External)

  1413. 

  1414.             // ----------------------------------------------------------------------------------------------------

  1415.             // Event Input (System)

  1416. 

  1417. #ifndef BUILD_BRIDGE

  1418.             bool allNotesOffSent = false;

  1419. #endif

  1420.             bool sampleAccurate  = (pData->options & PLUGIN_OPTION_FIXED_BUFFERS) == 0;

  1421. 

  1422.             uint32_t startTime  = 0;

  1423.             uint32_t timeOffset = 0;

  1424.             uint32_t nextBankId;

  1425. 

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

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

  1428.             else

  1429.                 nextBankId = 0;

  1430. 

  1431.             for (uint32_t i=0, numEvents=pData->event.portIn->getEventCount(); i < numEvents; ++i)

  1432.             {

  1433.                 const EngineEvent& event(pData->event.portIn->getEvent(i));

  1434. 

  1435.                 if (event.time >= frames)

  1436.                     continue;

  1437. 

  1438.                 CARLA_ASSERT_INT2(event.time >= timeOffset, event.time, timeOffset);

  1439. 

  1440.                 if (event.time > timeOffset && sampleAccurate)

  1441.                 {

  1442.                     if (processSingle(audioIn, audioOut, cvIn, cvOut, event.time - timeOffset, timeOffset))

  1443.                     {

  1444.                         startTime  = 0;

  1445.                         timeOffset = event.time;

  1446. 

  1447.                         if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1448.                             nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1449.                         else

  1450.                             nextBankId = 0;

  1451. 

  1452.                         if (fMidiEventCount > 0)

  1453.                         {

  1454.                             carla_zeroStruct<NativeMidiEvent>(fMidiEvents, fMidiEventCount);

  1455.                             fMidiEventCount = 0;

  1456.                         }

  1457.                     }

  1458.                     else

  1459.                         startTime += timeOffset;

  1460.                 }

  1461. 

  1462.                 // Control change

  1463.                 switch (event.type)

  1464.                 {

  1465.                 case kEngineEventTypeNull:

  1466.                     break;

  1467. 

  1468.                 case kEngineEventTypeControl: {

  1469.                     const EngineControlEvent& ctrlEvent = event.ctrl;

  1470. 

  1471.                     switch (ctrlEvent.type)

  1472.                     {

  1473.                     case kEngineControlEventTypeNull:

  1474.                         break;

  1475. 

  1476.                     case kEngineControlEventTypeParameter: {

  1477. #ifndef BUILD_BRIDGE

  1478.                         // Control backend stuff

  1479.                         if (event.channel == pData->ctrlChannel)

  1480.                         {

  1481.                             float value;

  1482. 

  1483.                             if (MIDI_IS_CONTROL_BREATH_CONTROLLER(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_DRYWET) > 0)

  1484.                             {

  1485.                                 value = ctrlEvent.value;

  1486.                                 setDryWet(value, false, false);

  1487.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_DRYWET, 0, value);

  1488.                             }

  1489. 

  1490.                             if (MIDI_IS_CONTROL_CHANNEL_VOLUME(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_VOLUME) > 0)

  1491.                             {

  1492.                                 value = ctrlEvent.value*127.0f/100.0f;

  1493.                                 setVolume(value, false, false);

  1494.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_VOLUME, 0, value);

  1495.                             }

  1496. 

  1497.                             if (MIDI_IS_CONTROL_BALANCE(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_BALANCE) > 0)

  1498.                             {

  1499.                                 float left, right;

  1500.                                 value = ctrlEvent.value/0.5f - 1.0f;

  1501. 

  1502.                                 if (value < 0.0f)

  1503.                                 {

  1504.                                     left  = -1.0f;

  1505.                                     right = (value*2.0f)+1.0f;

  1506.                                 }

  1507.                                 else if (value > 0.0f)

  1508.                                 {

  1509.                                     left  = (value*2.0f)-1.0f;

  1510.                                     right = 1.0f;

  1511.                                 }

  1512.                                 else

  1513.                                 {

  1514.                                     left  = -1.0f;

  1515.                                     right = 1.0f;

  1516.                                 }

  1517. 

  1518.                                 setBalanceLeft(left, false, false);

  1519.                                 setBalanceRight(right, false, false);

  1520.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_LEFT, 0, left);

  1521.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_RIGHT, 0, right);

  1522.                             }

  1523.                         }

  1524. #endif

  1525.                         // Control plugin parameters

  1526.                         for (uint32_t k=0; k < pData->param.count; ++k)

  1527.                         {

  1528.                             if (pData->param.data[k].midiChannel != event.channel)

  1529.                                 continue;

  1530.                             if (pData->param.data[k].midiCC != ctrlEvent.param)

  1531.                                 continue;

  1532.                             if (pData->param.data[k].type != PARAMETER_INPUT)

  1533.                                 continue;

  1534.                             if ((pData->param.data[k].hints & PARAMETER_IS_AUTOMABLE) == 0)

  1535.                                 continue;

  1536. 

  1537.                             float value;

  1538. 

  1539.                             if (pData->param.data[k].hints & PARAMETER_IS_BOOLEAN)

  1540.                             {

  1541.                                 value = (ctrlEvent.value < 0.5f) ? pData->param.ranges[k].min : pData->param.ranges[k].max;

  1542.                             }

  1543.                             else

  1544.                             {

  1545.                                 value = pData->param.ranges[k].getUnnormalizedValue(ctrlEvent.value);

  1546. 

  1547.                                 if (pData->param.data[k].hints & PARAMETER_IS_INTEGER)

  1548.                                     value = std::rint(value);

  1549.                             }

  1550. 

  1551.                             setParameterValue(k, value, false, false, false);

  1552.                             pData->postponeRtEvent(kPluginPostRtEventParameterChange, static_cast<int32_t>(k), 0, value);

  1553.                         }

  1554. 

  1555.                         if ((pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0 && ctrlEvent.param < MAX_MIDI_CONTROL)

  1556.                         {

  1557.                             if (fMidiEventCount >= kPluginMaxMidiEvents*2)

  1558.                                 continue;

  1559. 

  1560.                             NativeMidiEvent& nativeEvent(fMidiEvents[fMidiEventCount++]);

  1561.                             carla_zeroStruct(nativeEvent);

  1562. 

  1563.                             nativeEvent.time    = sampleAccurate ? startTime : event.time;

  1564.                             nativeEvent.data[0] = uint8_t(MIDI_STATUS_CONTROL_CHANGE | (event.channel & MIDI_CHANNEL_BIT));

  1565.                             nativeEvent.data[1] = uint8_t(ctrlEvent.param);

  1566.                             nativeEvent.data[2] = uint8_t(ctrlEvent.value*127.0f);

  1567.                             nativeEvent.size    = 3;

  1568.                         }

  1569.                         break;

  1570.                     }

  1571. 

  1572.                     case kEngineControlEventTypeMidiBank:

  1573.                         if (event.channel == pData->ctrlChannel && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1574.                             nextBankId = ctrlEvent.param;

  1575.                         break;

  1576. 

  1577.                     case kEngineControlEventTypeMidiProgram:

  1578.                         if (event.channel < MAX_MIDI_CHANNELS && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1579.                         {

  1580.                             const uint32_t nextProgramId(ctrlEvent.param);

  1581. 

  1582.                             for (uint32_t k=0; k < pData->midiprog.count; ++k)

  1583.                             {

  1584.                                 if (pData->midiprog.data[k].bank == nextBankId && pData->midiprog.data[k].program == nextProgramId)

  1585.                                 {

  1586.                                     fDescriptor->set_midi_program(fHandle, event.channel, nextBankId, nextProgramId);

  1587. 

  1588.                                     if (fHandle2 != nullptr)

  1589.                                         fDescriptor->set_midi_program(fHandle2, event.channel, nextBankId, nextProgramId);

  1590. 

  1591.                                     fCurMidiProgs[event.channel] = static_cast<int32_t>(k);

  1592. 

  1593.                                     if (event.channel == pData->ctrlChannel)

  1594.                                         pData->postponeRtEvent(kPluginPostRtEventMidiProgramChange, static_cast<int32_t>(k), 0, 0.0f);

  1595. 

  1596.                                     break;

  1597.                                 }

  1598.                             }

  1599.                         }

  1600.                         break;

  1601. 

  1602.                     case kEngineControlEventTypeAllSoundOff:

  1603.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1604.                         {

  1605.                             if (fMidiEventCount >= kPluginMaxMidiEvents*2)

  1606.                                 continue;

  1607. 

  1608.                             NativeMidiEvent& nativeEvent(fMidiEvents[fMidiEventCount++]);

  1609.                             carla_zeroStruct(nativeEvent);

  1610. 

  1611.                             nativeEvent.port    = 0;

  1612.                             nativeEvent.time    = sampleAccurate ? startTime : event.time;

  1613.                             nativeEvent.data[0] = uint8_t(MIDI_STATUS_CONTROL_CHANGE | (event.channel & MIDI_CHANNEL_BIT));

  1614.                             nativeEvent.data[1] = MIDI_CONTROL_ALL_SOUND_OFF;

  1615.                             nativeEvent.data[2] = 0;

  1616.                             nativeEvent.size    = 3;

  1617.                         }

  1618.                         break;

  1619. 

  1620.                     case kEngineControlEventTypeAllNotesOff:

  1621.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1622.                         {

  1623. #ifndef BUILD_BRIDGE

  1624.                             if (event.channel == pData->ctrlChannel && ! allNotesOffSent)

  1625.                             {

  1626.                                 allNotesOffSent = true;

  1627.                                 sendMidiAllNotesOffToCallback();

  1628.                             }

  1629. #endif

  1630. 

  1631.                             if (fMidiEventCount >= kPluginMaxMidiEvents*2)

  1632.                                 continue;

  1633. 

  1634.                             NativeMidiEvent& nativeEvent(fMidiEvents[fMidiEventCount++]);

  1635.                             carla_zeroStruct(nativeEvent);

  1636. 

  1637.                             nativeEvent.time    = sampleAccurate ? startTime : event.time;

  1638.                             nativeEvent.data[0] = uint8_t(MIDI_STATUS_CONTROL_CHANGE | (event.channel & MIDI_CHANNEL_BIT));

  1639.                             nativeEvent.data[1] = MIDI_CONTROL_ALL_NOTES_OFF;

  1640.                             nativeEvent.data[2] = 0;

  1641.                             nativeEvent.size    = 3;

  1642.                         }

  1643.                         break;

  1644.                     }

  1645.                     break;

  1646.                 }

  1647. 

  1648.                 case kEngineEventTypeMidi: {

  1649.                     if (fMidiEventCount >= kPluginMaxMidiEvents*2)

  1650.                         continue;

  1651. 

  1652.                     const EngineMidiEvent& midiEvent(event.midi);

  1653. 

  1654.                     if (midiEvent.size > 4)

  1655.                         continue;

  1656. #ifdef CARLA_PROPER_CPP11_SUPPORT

  1657.                     static_assert(4 <= EngineMidiEvent::kDataSize, "Incorrect data");

  1658. #endif

  1659. 

  1660.                     uint8_t status = uint8_t(MIDI_GET_STATUS_FROM_DATA(midiEvent.data));

  1661. 

  1662.                     if (status == MIDI_STATUS_CHANNEL_PRESSURE && (pData->options & PLUGIN_OPTION_SEND_CHANNEL_PRESSURE) == 0)

  1663.                         continue;

  1664.                     if (status == MIDI_STATUS_CONTROL_CHANGE && (pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) == 0)

  1665.                         continue;

  1666.                     if (status == MIDI_STATUS_POLYPHONIC_AFTERTOUCH && (pData->options & PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH) == 0)

  1667.                         continue;

  1668.                     if (status == MIDI_STATUS_PITCH_WHEEL_CONTROL && (pData->options & PLUGIN_OPTION_SEND_PITCHBEND) == 0)

  1669.                         continue;

  1670. 

  1671.                     // Fix bad note-off

  1672.                     if (status == MIDI_STATUS_NOTE_ON && midiEvent.data[2] == 0)

  1673.                         status = MIDI_STATUS_NOTE_OFF;

  1674. 

  1675.                     NativeMidiEvent& nativeEvent(fMidiEvents[fMidiEventCount++]);

  1676.                     carla_zeroStruct(nativeEvent);

  1677. 

  1678.                     nativeEvent.port = midiEvent.port;

  1679.                     nativeEvent.time = sampleAccurate ? startTime : event.time;

  1680.                     nativeEvent.size = midiEvent.size;

  1681. 

  1682.                     nativeEvent.data[0] = uint8_t(status | (event.channel & MIDI_CHANNEL_BIT));

  1683.                     nativeEvent.data[1] = midiEvent.size >= 2 ? midiEvent.data[1] : 0;

  1684.                     nativeEvent.data[2] = midiEvent.size >= 3 ? midiEvent.data[2] : 0;

  1685.                     nativeEvent.data[3] = midiEvent.size == 4 ? midiEvent.data[3] : 0;

  1686. 

  1687.                     if (status == MIDI_STATUS_NOTE_ON)

  1688.                         pData->postponeRtEvent(kPluginPostRtEventNoteOn, event.channel, midiEvent.data[1], midiEvent.data[2]);

  1689.                     else if (status == MIDI_STATUS_NOTE_OFF)

  1690.                         pData->postponeRtEvent(kPluginPostRtEventNoteOff, event.channel, midiEvent.data[1], 0.0f);

  1691.                 } break;

  1692.                 } // switch (event.type)

  1693.             }

  1694. 

  1695.             pData->postRtEvents.trySplice();

  1696. 

  1697.             if (frames > timeOffset)

  1698.                 processSingle(audioIn, audioOut, cvIn, cvOut, frames - timeOffset, timeOffset);

  1699. 

  1700.         } // End of Event Input and Processing

  1701. 

  1702.         // --------------------------------------------------------------------------------------------------------

  1703.         // Plugin processing (no events)

  1704. 

  1705.         else

  1706.         {

  1707.             processSingle(audioIn, audioOut, cvIn, cvOut, frames, 0);

  1708. 

  1709.         } // End of Plugin processing (no events)

  1710. 

  1711.         // --------------------------------------------------------------------------------------------------------

  1712.         // Control and MIDI Output

  1713. 

  1714.         if (fMidiOut.count > 0 || pData->event.portOut != nullptr)

  1715.         {

  1716. #ifndef BUILD_BRIDGE

  1717.             float value, curValue;

  1718. 

  1719.             for (uint32_t k=0; k < pData->param.count; ++k)

  1720.             {

  1721.                 if (pData->param.data[k].type != PARAMETER_OUTPUT)

  1722.                     continue;

  1723. 

  1724.                 curValue = fDescriptor->get_parameter_value(fHandle, k);

  1725.                 pData->param.ranges[k].fixValue(curValue);

  1726. 

  1727.                 if (pData->param.data[k].midiCC > 0)

  1728.                 {

  1729.                     value = pData->param.ranges[k].getNormalizedValue(curValue);

  1730.                     pData->event.portOut->writeControlEvent(0, pData->param.data[k].midiChannel, kEngineControlEventTypeParameter, static_cast<uint16_t>(pData->param.data[k].midiCC), value);

  1731.                 }

  1732.             }

  1733. #endif

  1734. 

  1735.             // reverse lookup MIDI events

  1736.             for (uint32_t k = (kPluginMaxMidiEvents*2)-1; k >= fMidiEventCount; --k)

  1737.             {

  1738.                 if (fMidiEvents[k].data[0] == 0)

  1739.                     break;

  1740. 

  1741.                 const uint8_t channel = uint8_t(MIDI_GET_CHANNEL_FROM_DATA(fMidiEvents[k].data));

  1742.                 const uint8_t port    = fMidiEvents[k].port;

  1743. 

  1744.                 if (pData->event.portOut != nullptr)

  1745.                     pData->event.portOut->writeMidiEvent(fMidiEvents[k].time, channel, port, fMidiEvents[k].size, fMidiEvents[k].data);

  1746.                 else if (port < fMidiOut.count)

  1747.                     fMidiOut.ports[port]->writeMidiEvent(fMidiEvents[k].time, channel, port, fMidiEvents[k].size, fMidiEvents[k].data);

  1748.             }

  1749. 

  1750.         } // End of Control and MIDI Output

  1751.     }

  1752. 

  1753.     bool processSingle(const float** const audioIn, float** const audioOut, const float** const cvIn, float** const cvOut, const uint32_t frames, const uint32_t timeOffset)

  1754.     {

  1755.         CARLA_SAFE_ASSERT_RETURN(frames > 0, false);

  1756. 

  1757.         if (pData->audioIn.count > 0)

  1758.         {

  1759.             CARLA_SAFE_ASSERT_RETURN(audioIn != nullptr, false);

  1760.         }

  1761.         if (pData->audioOut.count > 0)

  1762.         {

  1763.             CARLA_SAFE_ASSERT_RETURN(audioOut != nullptr, false);

  1764.         }

  1765.         if (pData->cvIn.count > 0)

  1766.         {

  1767.             CARLA_SAFE_ASSERT_RETURN(cvIn != nullptr, false);

  1768.         }

  1769.         if (pData->cvOut.count > 0)

  1770.         {

  1771.             CARLA_SAFE_ASSERT_RETURN(cvOut != nullptr, false);

  1772.         }

  1773. 

  1774.         // --------------------------------------------------------------------------------------------------------

  1775.         // Try lock, silence otherwise

  1776. 

  1777.         if (pData->engine->isOffline())

  1778.         {

  1779.             pData->singleMutex.lock();

  1780.         }

  1781.         else if (! pData->singleMutex.tryLock())

  1782.         {

  1783.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1784.             {

  1785.                 for (uint32_t k=0; k < frames; ++k)

  1786.                     audioOut[i][k+timeOffset] = 0.0f;

  1787.             }

  1788.             for (uint32_t i=0; i < pData->cvOut.count; ++i)

  1789.             {

  1790.                 for (uint32_t k=0; k < frames; ++k)

  1791.                     cvOut[i][k+timeOffset] = 0.0f;

  1792.             }

  1793. 

  1794.             return false;

  1795.         }

  1796. 

  1797.         // --------------------------------------------------------------------------------------------------------

  1798.         // Set audio buffers

  1799. 

  1800.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1801.             FloatVectorOperations::copy(fAudioInBuffers[i], audioIn[i]+timeOffset, static_cast<int>(frames));

  1802. 

  1803.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1804.             FloatVectorOperations::clear(fAudioOutBuffers[i], static_cast<int>(frames));

  1805. 

  1806. #if 0

  1807.         // --------------------------------------------------------------------------------------------------------

  1808.         // Set CV buffers

  1809. 

  1810.         for (uint32_t i=0; i < pData->cvIn.count; ++i)

  1811.             FloatVectorOperations::copy(fCvInBuffers[i], cvIn[i]+timeOffset, static_cast<int>(frames));

  1812. 

  1813.         for (uint32_t i=0; i < pData->cvOut.count; ++i)

  1814.             FloatVectorOperations::clear(fCvOutBuffers[i], static_cast<int>(frames));

  1815. #endif

  1816. 

  1817.         // --------------------------------------------------------------------------------------------------------

  1818.         // Run plugin

  1819. 

  1820.         fIsProcessing = true;

  1821. 

  1822.         if (fHandle2 == nullptr)

  1823.         {

  1824.             fDescriptor->process(fHandle, fAudioInBuffers, fAudioOutBuffers, frames, fMidiEvents, fMidiEventCount);

  1825.         }

  1826.         else

  1827.         {

  1828.             fDescriptor->process(fHandle,

  1829.                                  (pData->audioIn.count > 0) ? &fAudioInBuffers[0] : nullptr,

  1830.                                  (pData->audioOut.count > 0) ? &fAudioOutBuffers[0] : nullptr,

  1831.                                  frames, fMidiEvents, fMidiEventCount);

  1832. 

  1833.             fDescriptor->process(fHandle2,

  1834.                                  (pData->audioIn.count > 0) ? &fAudioInBuffers[1] : nullptr,

  1835.                                  (pData->audioOut.count > 0) ? &fAudioOutBuffers[1] : nullptr,

  1836.                                  frames, fMidiEvents, fMidiEventCount);

  1837.         }

  1838. 

  1839.         fIsProcessing = false;

  1840.         fTimeInfo.frame += frames;

  1841. 

  1842. #ifndef BUILD_BRIDGE

  1843.         // --------------------------------------------------------------------------------------------------------

  1844.         // Post-processing (dry/wet, volume and balance)

  1845. 

  1846.         {

  1847.             const bool doDryWet  = (pData->hints & PLUGIN_CAN_DRYWET) != 0 && ! carla_compareFloats(pData->postProc.dryWet, 1.0f);

  1848.             const bool doBalance = (pData->hints & PLUGIN_CAN_BALANCE) != 0 && ! (carla_compareFloats(pData->postProc.balanceLeft, -1.0f) && carla_compareFloats(pData->postProc.balanceRight, 1.0f));

  1849. 

  1850.             bool isPair;

  1851.             float bufValue, oldBufLeft[doBalance ? frames : 1];

  1852. 

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

  1854.             {

  1855.                 // Dry/Wet

  1856.                 if (doDryWet)

  1857.                 {

  1858.                     for (uint32_t k=0; k < frames; ++k)

  1859.                     {

  1860.                         bufValue = fAudioInBuffers[(pData->audioIn.count == 1) ? 0 : i][k];

  1861.                         fAudioOutBuffers[i][k] = (fAudioOutBuffers[i][k] * pData->postProc.dryWet) + (bufValue * (1.0f - pData->postProc.dryWet));

  1862.                     }

  1863.                 }

  1864. 

  1865.                 // Balance

  1866.                 if (doBalance)

  1867.                 {

  1868.                     isPair = (i % 2 == 0);

  1869. 

  1870.                     if (isPair)

  1871.                     {

  1872.                         CARLA_ASSERT(i+1 < pData->audioOut.count);

  1873.                         FloatVectorOperations::copy(oldBufLeft, fAudioOutBuffers[i], static_cast<int>(frames));

  1874.                     }

  1875. 

  1876.                     float balRangeL = (pData->postProc.balanceLeft  + 1.0f)/2.0f;

  1877.                     float balRangeR = (pData->postProc.balanceRight + 1.0f)/2.0f;

  1878. 

  1879.                     for (uint32_t k=0; k < frames; ++k)

  1880.                     {

  1881.                         if (isPair)

  1882.                         {

  1883.                             // left

  1884.                             fAudioOutBuffers[i][k]  = oldBufLeft[k]            * (1.0f - balRangeL);

  1885.                             fAudioOutBuffers[i][k] += fAudioOutBuffers[i+1][k] * (1.0f - balRangeR);

  1886.                         }

  1887.                         else

  1888.                         {

  1889.                             // right

  1890.                             fAudioOutBuffers[i][k]  = fAudioOutBuffers[i][k] * balRangeR;

  1891.                             fAudioOutBuffers[i][k] += oldBufLeft[k]          * balRangeL;

  1892.                         }

  1893.                     }

  1894.                 }

  1895. 

  1896.                 // Volume (and buffer copy)

  1897.                 {

  1898.                     for (uint32_t k=0; k < frames; ++k)

  1899.                         audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k] * pData->postProc.volume;

  1900.                 }

  1901.             }

  1902. 

  1903.         } // End of Post-processing

  1904. #else

  1905.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1906.         {

  1907.             for (uint32_t k=0; k < frames; ++k)

  1908.                 audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k];

  1909.         }

  1910. #endif

  1911. 

  1912. #if 0

  1913.         for (uint32_t i=0; i < pData->cvOut.count; ++i)

  1914.         {

  1915.             for (uint32_t k=0; k < frames; ++k)

  1916.                 cvOut[i][k+timeOffset] = fCvOutBuffers[i][k];

  1917.         }

  1918. #endif

  1919. 

  1920.         // --------------------------------------------------------------------------------------------------------

  1921. 

  1922.         pData->singleMutex.unlock();

  1923.         return true;

  1924.     }

  1925. 

  1926.     void bufferSizeChanged(const uint32_t newBufferSize) override

  1927.     {

  1928.         CARLA_ASSERT_INT(newBufferSize > 0, newBufferSize);

  1929.         carla_debug("CarlaPluginNative::bufferSizeChanged(%i)", newBufferSize);

  1930. 

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

  1932.         {

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

  1934.                 delete[] fAudioInBuffers[i];

  1935.             fAudioInBuffers[i] = new float[newBufferSize];

  1936.         }

  1937. 

  1938.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1939.         {

  1940.             if (fAudioOutBuffers[i] != nullptr)

  1941.                 delete[] fAudioOutBuffers[i];

  1942.             fAudioOutBuffers[i] = new float[newBufferSize];

  1943.         }

  1944. 

  1945.         if (fDescriptor != nullptr && fDescriptor->dispatcher != nullptr)

  1946.         {

  1947.             fDescriptor->dispatcher(fHandle, NATIVE_PLUGIN_OPCODE_BUFFER_SIZE_CHANGED, 0, static_cast<intptr_t>(newBufferSize), nullptr, 0.0f);

  1948. 

  1949.             if (fHandle2 != nullptr)

  1950.                 fDescriptor->dispatcher(fHandle2, NATIVE_PLUGIN_OPCODE_BUFFER_SIZE_CHANGED, 0, static_cast<intptr_t>(newBufferSize), nullptr, 0.0f);

  1951.         }

  1952.     }

  1953. 

  1954.     void sampleRateChanged(const double newSampleRate) override

  1955.     {

  1956.         CARLA_ASSERT_INT(newSampleRate > 0.0, newSampleRate);

  1957.         carla_debug("CarlaPluginNative::sampleRateChanged(%g)", newSampleRate);

  1958. 

  1959.         if (fDescriptor != nullptr && fDescriptor->dispatcher != nullptr)

  1960.         {

  1961.             fDescriptor->dispatcher(fHandle, NATIVE_PLUGIN_OPCODE_SAMPLE_RATE_CHANGED, 0, 0, nullptr, float(newSampleRate));

  1962. 

  1963.             if (fHandle2 != nullptr)

  1964.                 fDescriptor->dispatcher(fHandle2, NATIVE_PLUGIN_OPCODE_SAMPLE_RATE_CHANGED, 0, 0, nullptr, float(newSampleRate));

  1965.         }

  1966.     }

  1967. 

  1968.     void offlineModeChanged(const bool isOffline) override

  1969.     {

  1970.         if (fDescriptor != nullptr && fDescriptor->dispatcher != nullptr)

  1971.         {

  1972.             fDescriptor->dispatcher(fHandle, NATIVE_PLUGIN_OPCODE_OFFLINE_CHANGED, 0, isOffline ? 1 : 0, nullptr, 0.0f);

  1973. 

  1974.             if (fHandle2 != nullptr)

  1975.                 fDescriptor->dispatcher(fHandle2, NATIVE_PLUGIN_OPCODE_OFFLINE_CHANGED, 0, isOffline ? 1 : 0, nullptr, 0.0f);

  1976.         }

  1977.     }

  1978. 

  1979.     // -------------------------------------------------------------------

  1980.     // Plugin buffers

  1981. 

  1982.     void initBuffers() const noexcept override

  1983.     {

  1984.         fMidiIn.initBuffers();

  1985.         fMidiOut.initBuffers();

  1986. 

  1987.         CarlaPlugin::initBuffers();

  1988.     }

  1989. 

  1990.     void clearBuffers() noexcept override

  1991.     {

  1992.         carla_debug("CarlaPluginNative::clearBuffers() - start");

  1993. 

  1994.         if (fAudioInBuffers != nullptr)

  1995.         {

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

  1997.             {

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

  1999.                 {

  2000.                     delete[] fAudioInBuffers[i];

  2001.                     fAudioInBuffers[i] = nullptr;

  2002.                 }

  2003.             }

  2004. 

  2005.             delete[] fAudioInBuffers;

  2006.             fAudioInBuffers = nullptr;

  2007.         }

  2008. 

  2009.         if (fAudioOutBuffers != nullptr)

  2010.         {

  2011.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2012.             {

  2013.                 if (fAudioOutBuffers[i] != nullptr)

  2014.                 {

  2015.                     delete[] fAudioOutBuffers[i];

  2016.                     fAudioOutBuffers[i] = nullptr;

  2017.                 }

  2018.             }

  2019. 

  2020.             delete[] fAudioOutBuffers;

  2021.             fAudioOutBuffers = nullptr;

  2022.         }

  2023. 

  2024.         fMidiIn.clear();

  2025.         fMidiOut.clear();

  2026. 

  2027.         CarlaPlugin::clearBuffers();

  2028. 

  2029.         carla_debug("CarlaPluginNative::clearBuffers() - end");

  2030.     }

  2031. 

  2032.     // -------------------------------------------------------------------

  2033.     // Post-poned UI Stuff

  2034. 

  2035.     void uiParameterChange(const uint32_t index, const float value) noexcept override

  2036.     {

  2037.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  2038.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  2039.         CARLA_SAFE_ASSERT_RETURN(index < pData->param.count,);

  2040. 

  2041.         if (! fIsUiVisible)

  2042.             return;

  2043. 

  2044.         if (fDescriptor->ui_set_parameter_value != nullptr)

  2045.             fDescriptor->ui_set_parameter_value(fHandle, index, value);

  2046.     }

  2047. 

  2048.     void uiMidiProgramChange(const uint32_t index) noexcept override

  2049.     {

  2050.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  2051.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  2052.         CARLA_SAFE_ASSERT_RETURN(index < pData->midiprog.count,);

  2053. 

  2054.         if (! fIsUiVisible)

  2055.             return;

  2056.         if (index >= pData->midiprog.count)

  2057.             return;

  2058. 

  2059.         if (fDescriptor->ui_set_midi_program != nullptr)

  2060.             fDescriptor->ui_set_midi_program(fHandle, 0, pData->midiprog.data[index].bank, pData->midiprog.data[index].program);

  2061.     }

  2062. 

  2063.     void uiNoteOn(const uint8_t channel, const uint8_t note, const uint8_t velo) noexcept override

  2064.     {

  2065.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  2066.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  2067.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2068.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2069.         CARLA_SAFE_ASSERT_RETURN(velo > 0 && velo < MAX_MIDI_VALUE,);

  2070. 

  2071.         if (! fIsUiVisible)

  2072.             return;

  2073. 

  2074.         // TODO

  2075.     }

  2076. 

  2077.     void uiNoteOff(const uint8_t channel, const uint8_t note) noexcept override

  2078.     {

  2079.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  2080.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  2081.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2082.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2083. 

  2084.         if (! fIsUiVisible)

  2085.             return;

  2086.         if (fDescriptor == nullptr || fHandle == nullptr)

  2087.             return;

  2088. 

  2089.         // TODO

  2090.     }

  2091. 

  2092.     // -------------------------------------------------------------------

  2093. 

  2094. protected:

  2095.     uint32_t handleGetBufferSize() const noexcept

  2096.     {

  2097.         return pData->engine->getBufferSize();

  2098.     }

  2099. 

  2100.     double handleGetSampleRate() const noexcept

  2101.     {

  2102.         return pData->engine->getSampleRate();

  2103.     }

  2104. 

  2105.     bool handleIsOffline() const noexcept

  2106.     {

  2107.         return pData->engine->isOffline();

  2108.     }

  2109. 

  2110.     const NativeTimeInfo* handleGetTimeInfo() const noexcept

  2111.     {

  2112.         CARLA_SAFE_ASSERT_RETURN(fIsProcessing, nullptr);

  2113. 

  2114.         return &fTimeInfo;

  2115.     }

  2116. 

  2117.     bool handleWriteMidiEvent(const NativeMidiEvent* const event)

  2118.     {

  2119.         CARLA_ASSERT(pData->enabled);

  2120.         CARLA_ASSERT(fIsProcessing);

  2121.         CARLA_ASSERT(fMidiOut.count > 0 || pData->event.portOut != nullptr);

  2122.         CARLA_ASSERT(event != nullptr);

  2123.         CARLA_ASSERT(event->data[0] != 0);

  2124. 

  2125.         if (! pData->enabled)

  2126.             return false;

  2127.         if (fMidiOut.count == 0)

  2128.             return false;

  2129.         if (event == nullptr)

  2130.             return false;

  2131.         if (event->data[0] == 0)

  2132.             return false;

  2133.         if (! fIsProcessing)

  2134.         {

  2135.             carla_stderr2("CarlaPluginNative::handleWriteMidiEvent(%p) - received MIDI out event outside audio thread, ignoring", event);

  2136.             return false;

  2137.         }

  2138. 

  2139.         // reverse-find first free event, and put it there

  2140.         for (uint32_t i=(kPluginMaxMidiEvents*2)-1; i > fMidiEventCount; --i)

  2141.         {

  2142.             if (fMidiEvents[i].data[0] == 0)

  2143.             {

  2144.                 std::memcpy(&fMidiEvents[i], event, sizeof(NativeMidiEvent));

  2145.                 return true;

  2146.             }

  2147.         }

  2148. 

  2149.         return false;

  2150.     }

  2151. 

  2152.     void handleUiParameterChanged(const uint32_t index, const float value)

  2153.     {

  2154.         setParameterValue(index, value, false, true, true);

  2155.     }

  2156. 

  2157.     void handleUiCustomDataChanged(const char* const key, const char* const value)

  2158.     {

  2159.         setCustomData(CUSTOM_DATA_TYPE_STRING, key, value, false);

  2160.     }

  2161. 

  2162.     void handleUiClosed()

  2163.     {

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

  2165.         fIsUiVisible = false;

  2166.     }

  2167. 

  2168.     const char* handleUiOpenFile(const bool isDir, const char* const title, const char* const filter)

  2169.     {

  2170.         return pData->engine->runFileCallback(FILE_CALLBACK_OPEN, isDir, title, filter);

  2171.     }

  2172. 

  2173.     const char* handleUiSaveFile(const bool isDir, const char* const title, const char* const filter)

  2174.     {

  2175.         return pData->engine->runFileCallback(FILE_CALLBACK_SAVE, isDir, title, filter);

  2176.     }

  2177. 

  2178.     intptr_t handleDispatcher(const NativeHostDispatcherOpcode opcode, const int32_t index, const intptr_t value, void* const ptr, const float opt)

  2179.     {

  2180.         carla_debug("CarlaPluginNative::handleDispatcher(%i, %i, " P_INTPTR ", %p, %f)", opcode, index, value, ptr, opt);

  2181. 

  2182.         intptr_t ret = 0;

  2183. 

  2184.         switch (opcode)

  2185.         {

  2186.         case NATIVE_HOST_OPCODE_NULL:

  2187.             break;

  2188.         case NATIVE_HOST_OPCODE_UPDATE_PARAMETER:

  2189.             // TODO

  2190.             pData->engine->callback(ENGINE_CALLBACK_UPDATE, pData->id, -1, 0, 0.0f, nullptr);

  2191.             break;

  2192.         case NATIVE_HOST_OPCODE_UPDATE_MIDI_PROGRAM:

  2193.             // TODO

  2194.             pData->engine->callback(ENGINE_CALLBACK_UPDATE, pData->id, -1, 0, 0.0f, nullptr);

  2195.             break;

  2196.         case NATIVE_HOST_OPCODE_RELOAD_PARAMETERS:

  2197.             reload(); // FIXME

  2198.             pData->engine->callback(ENGINE_CALLBACK_RELOAD_PARAMETERS, pData->id, -1, 0, 0.0f, nullptr);

  2199.             break;

  2200.         case NATIVE_HOST_OPCODE_RELOAD_MIDI_PROGRAMS:

  2201.             reloadPrograms(false);

  2202.             pData->engine->callback(ENGINE_CALLBACK_RELOAD_PROGRAMS, pData->id, -1, 0, 0.0f, nullptr);

  2203.             break;

  2204.         case NATIVE_HOST_OPCODE_RELOAD_ALL:

  2205.             reload();

  2206.             pData->engine->callback(ENGINE_CALLBACK_RELOAD_ALL, pData->id, -1, 0, 0.0f, nullptr);

  2207.             break;

  2208.         case NATIVE_HOST_OPCODE_UI_UNAVAILABLE:

  2209.             pData->engine->callback(ENGINE_CALLBACK_UI_STATE_CHANGED, pData->id, -1, 0, 0.0f, nullptr);

  2210.             break;

  2211.         }

  2212. 

  2213.         return ret;

  2214. 

  2215.         // unused for now

  2216.         (void)index;

  2217.         (void)value;

  2218.         (void)ptr;

  2219.         (void)opt;

  2220.     }

  2221. 

  2222.     // -------------------------------------------------------------------

  2223. 

  2224. public:

  2225.     void* getNativeHandle() const noexcept override

  2226.     {

  2227.         return fHandle;

  2228.     }

  2229. 

  2230.     const void* getNativeDescriptor() const noexcept override

  2231.     {

  2232.         return fDescriptor;

  2233.     }

  2234. 

  2235.     // -------------------------------------------------------------------

  2236. 

  2237.     bool init(const char* const name, const char* const label)

  2238.     {

  2239.         CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr, false);

  2240. 

  2241.         // ---------------------------------------------------------------

  2242.         // first checks

  2243. 

  2244.         if (pData->client != nullptr)

  2245.         {

  2246.             pData->engine->setLastError("Plugin client is already registered");

  2247.             return false;

  2248.         }

  2249. 

  2250.         if (label == nullptr && label[0] != '\0')

  2251.         {

  2252.             pData->engine->setLastError("null label");

  2253.             return false;

  2254.         }

  2255. 

  2256.         // ---------------------------------------------------------------

  2257.         // get descriptor that matches label

  2258. 

  2259.         for (LinkedList<const NativePluginDescriptor*>::Itenerator it = gPluginDescriptors.begin(); it.valid(); it.next())

  2260.         {

  2261.             fDescriptor = it.getValue();

  2262. 

  2263.             CARLA_SAFE_ASSERT_BREAK(fDescriptor != nullptr);

  2264. 

  2265.             carla_debug("Check vs \"%s\"", fDescriptor->label);

  2266. 

  2267.             if (fDescriptor->label != nullptr && std::strcmp(fDescriptor->label, label) == 0)

  2268.                 break;

  2269. 

  2270.             fDescriptor = nullptr;

  2271.         }

  2272. 

  2273.         if (fDescriptor == nullptr)

  2274.         {

  2275.             pData->engine->setLastError("Invalid internal plugin");

  2276.             return false;

  2277.         }

  2278. 

  2279.         // ---------------------------------------------------------------

  2280.         // set icon

  2281. 

  2282.         if (std::strcmp(fDescriptor->label, "audiofile") == 0)

  2283.             pData->iconName = carla_strdup_safe("file");

  2284.         else if (std::strcmp(fDescriptor->label, "midifile") == 0)

  2285.             pData->iconName = carla_strdup_safe("file");

  2286. 

  2287.         // ---------------------------------------------------------------

  2288.         // get info

  2289. 

  2290.         if (name != nullptr && name[0] != '\0')

  2291.             pData->name = pData->engine->getUniquePluginName(name);

  2292.         else if (fDescriptor->name != nullptr && fDescriptor->name[0] != '\0')

  2293.             pData->name = pData->engine->getUniquePluginName(fDescriptor->name);

  2294.         else

  2295.             pData->name = pData->engine->getUniquePluginName(label);

  2296. 

  2297.         {

  2298.             CARLA_ASSERT(fHost.uiName == nullptr);

  2299. 

  2300.             char uiName[std::strlen(pData->name)+6+1];

  2301.             std::strcpy(uiName, pData->name);

  2302.             std::strcat(uiName, " (GUI)");

  2303. 

  2304.             fHost.uiName = carla_strdup(uiName);

  2305.         }

  2306. 

  2307.         // ---------------------------------------------------------------

  2308.         // register client

  2309. 

  2310.         pData->client = pData->engine->addClient(this);

  2311. 

  2312.         if (pData->client == nullptr || ! pData->client->isOk())

  2313.         {

  2314.             pData->engine->setLastError("Failed to register plugin client");

  2315.             return false;

  2316.         }

  2317. 

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

  2319.         // initialize plugin

  2320. 

  2321.         fHandle = fDescriptor->instantiate(&fHost);

  2322. 

  2323.         if (fHandle == nullptr)

  2324.         {

  2325.             pData->engine->setLastError("Plugin failed to initialize");

  2326.             return false;

  2327.         }

  2328. 

  2329.         // ---------------------------------------------------------------

  2330.         // set default options

  2331. 

  2332.         const bool hasMidiProgs(fDescriptor->get_midi_program_count != nullptr && fDescriptor->get_midi_program_count(fHandle) > 0);

  2333. 

  2334.         pData->options = 0x0;

  2335. 

  2336.         if (hasMidiProgs && (fDescriptor->supports & NATIVE_PLUGIN_SUPPORTS_PROGRAM_CHANGES) == 0)

  2337.             pData->options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  2338. 

  2339.         if (getMidiInCount() > 0 || (fDescriptor->hints & NATIVE_PLUGIN_NEEDS_FIXED_BUFFERS) != 0)

  2340.             pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;

  2341. 

  2342.         if (pData->engine->getOptions().forceStereo)

  2343.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  2344. 

  2345.         if (fDescriptor->supports & NATIVE_PLUGIN_SUPPORTS_CHANNEL_PRESSURE)

  2346.             pData->options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  2347.         if (fDescriptor->supports & NATIVE_PLUGIN_SUPPORTS_NOTE_AFTERTOUCH)

  2348.             pData->options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  2349.         if (fDescriptor->supports & NATIVE_PLUGIN_SUPPORTS_PITCHBEND)

  2350.             pData->options |= PLUGIN_OPTION_SEND_PITCHBEND;

  2351.         if (fDescriptor->supports & NATIVE_PLUGIN_SUPPORTS_ALL_SOUND_OFF)

  2352.             pData->options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  2353. 

  2354.         return true;

  2355.     }

  2356. 

  2357. 

  2358. private:

  2359.     NativePluginHandle   fHandle;

  2360.     NativePluginHandle   fHandle2;

  2361.     NativeHostDescriptor fHost;

  2362.     const NativePluginDescriptor* fDescriptor;

  2363. 

  2364.     bool fIsProcessing;

  2365.     bool fIsUiVisible;

  2366. 

  2367.     float**         fAudioInBuffers;

  2368.     float**         fAudioOutBuffers;

  2369.     uint32_t        fMidiEventCount;

  2370.     NativeMidiEvent fMidiEvents[kPluginMaxMidiEvents*2];

  2371. 

  2372.     int32_t fCurMidiProgs[MAX_MIDI_CHANNELS];

  2373. 

  2374.     NativePluginMidiData fMidiIn;

  2375.     NativePluginMidiData fMidiOut;

  2376. 

  2377.     NativeTimeInfo fTimeInfo;

  2378. 

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

  2380. 

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

  2382. 

  2383.     static uint32_t carla_host_get_buffer_size(NativeHostHandle handle) noexcept

  2384.     {

  2385.         return handlePtr->handleGetBufferSize();

  2386.     }

  2387. 

  2388.     static double carla_host_get_sample_rate(NativeHostHandle handle) noexcept

  2389.     {

  2390.         return handlePtr->handleGetSampleRate();

  2391.     }

  2392. 

  2393.     static bool carla_host_is_offline(NativeHostHandle handle) noexcept

  2394.     {

  2395.         return handlePtr->handleIsOffline();

  2396.     }

  2397. 

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

  2399.     {

  2400.         return handlePtr->handleGetTimeInfo();

  2401.     }

  2402. 

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

  2404.     {

  2405.         return handlePtr->handleWriteMidiEvent(event);

  2406.     }

  2407. 

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

  2409.     {

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

  2411.     }

  2412. 

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

  2414.     {

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

  2416.     }

  2417. 

  2418.     static void carla_host_ui_closed(NativeHostHandle handle)

  2419.     {

  2420.         handlePtr->handleUiClosed();

  2421.     }

  2422. 

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

  2424.     {

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

  2426.     }

  2427. 

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

  2429.     {

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

  2431.     }

  2432. 

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

  2434.     {

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

  2436.     }

  2437. 

  2438.     #undef handlePtr

  2439. 

  2440.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaPluginNative)

  2441. };

  2442. 

  2443. // -----------------------------------------------------------------------

  2444. 

  2445. CarlaPlugin* CarlaPlugin::newNative(const Initializer& init)

  2446. {

  2447.     carla_debug("CarlaPlugin::newNative({%p, \"%s\", \"%s\", \"%s\", " P_INT64 "})", init.engine, init.filename, init.name, init.label, init.uniqueId);

  2448. 

  2449.     CarlaPluginNative* const plugin(new CarlaPluginNative(init.engine, init.id));

  2450. 

  2451.     if (! plugin->init(init.name, init.label))

  2452.     {

  2453.         delete plugin;

  2454.         return nullptr;

  2455.     }

  2456. 

  2457.     plugin->reload();

  2458. 

  2459.     bool canRun = true;

  2460. 

  2461.     if (init.engine->getProccessMode() == ENGINE_PROCESS_MODE_CONTINUOUS_RACK)

  2462.     {

  2463.         if (! plugin->canRunInRack())

  2464.         {

  2465.             init.engine->setLastError("Carla's rack mode can only work with Mono or Stereo Internal plugins, sorry!");

  2466.             canRun = false;

  2467.         }

  2468.         else if (plugin->getCVInCount() > 0 || plugin->getCVInCount() > 0)

  2469.         {

  2470.             init.engine->setLastError("Carla's rack mode cannot work with plugins that have CV ports, sorry!");

  2471.             canRun = false;

  2472.         }

  2473.     }

  2474.     else if (init.engine->getProccessMode() == ENGINE_PROCESS_MODE_PATCHBAY && (plugin->getCVInCount() > 0 || plugin->getCVInCount() > 0))

  2475.     {

  2476.         init.engine->setLastError("CV ports in patchbay mode is still TODO");

  2477.         canRun = false;

  2478.     }

  2479. 

  2480.     if (! canRun)

  2481.     {

  2482.         delete plugin;

  2483.         return nullptr;

  2484.     }

  2485. 

  2486.     return plugin;

  2487. }

  2488. 

  2489. // -----------------------------------------------------------------------

  2490. 

  2491. CARLA_BACKEND_END_NAMESPACE