falkTX
/
Carla
mirror of https://github.com/falkTX/Carla
1
0
Fork 0
Code Releases 43 Activity
Audio plugin host https://kx.studio/carla
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
2608 Commits
17 Branches
940MB
Tree: 92fa5c6f12
Branches Tags
${ item.name }
Create branch ${ searchTerm }
from '92fa5c6f12'
${ noResults }
Carla/source/backend/plugin/CarlaPluginNative.cpp

2504 lines
89KB
Raw Blame History 

  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.         const bool oldIsUiVisible(fIsUiVisible);

  724. 

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

  726. 

  727.         // UI might not be available, see NATIVE_HOST_OPCODE_UI_UNAVAILABLE

  728.         if (fIsUiVisible == yesNo || fIsUiVisible != oldIsUiVisible)

  729.             return;

  730. 

  731.         fIsUiVisible = yesNo;

  732. 

  733.         if (! yesNo)

  734.         {

  735.             pData->transientTryCounter = 0;

  736.             return;

  737.         }

  738. 

  739. #ifndef BUILD_BRIDGE

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

  741.             pData->tryTransient();

  742. #endif

  743. 

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

  745.         {

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

  747.             {

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

  749. 

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

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

  752.             }

  753.         }

  754. 

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

  756.         {

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

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

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

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

  761. 

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

  763.         }

  764. 

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

  766.         {

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

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

  769.         }

  770.     }

  771. 

  772.     void idle() override

  773.     {

  774.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  775.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  776. 

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

  778.             fDescriptor->idle(fHandle);

  779. 

  780.         CarlaPlugin::idle();

  781.     }

  782. 

  783.     void uiIdle() override

  784.     {

  785.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  786.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  787. 

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

  789.             fDescriptor->ui_idle(fHandle);

  790. 

  791.         CarlaPlugin::uiIdle();

  792.     }

  793. 

  794.     // -------------------------------------------------------------------

  795.     // Plugin state

  796. 

  797.     void reload() override

  798.     {

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

  800.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  801.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  803. 

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

  805. 

  806.         // Safely disable plugin for reload

  807.         const ScopedDisabler sd(this);

  808. 

  809.         if (pData->active)

  810.             deactivate();

  811. 

  812.         clearBuffers();

  813. 

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

  815. 

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

  817. 

  818.         bool forcedStereoIn, forcedStereoOut;

  819.         forcedStereoIn = forcedStereoOut = false;

  820. 

  821.         bool needsCtrlIn, needsCtrlOut;

  822.         needsCtrlIn = needsCtrlOut = false;

  823. 

  824.         aIns   = fDescriptor->audioIns;

  825.         aOuts  = fDescriptor->audioOuts;

  826.         mIns   = fDescriptor->midiIns;

  827.         mOuts  = fDescriptor->midiOuts;

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

  829. 

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

  831.         {

  832.             if (fHandle2 == nullptr)

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

  834. 

  835.             if (fHandle2 != nullptr)

  836.             {

  837.                 if (aIns == 1)

  838.                 {

  839.                     aIns = 2;

  840.                     forcedStereoIn = true;

  841.                 }

  842. 

  843.                 if (aOuts == 1)

  844.                 {

  845.                     aOuts = 2;

  846.                     forcedStereoOut = true;

  847.                 }

  848.             }

  849.         }

  850. 

  851.         if (aIns > 0)

  852.         {

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

  854.             fAudioInBuffers = new float*[aIns];

  855. 

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

  857.                 fAudioInBuffers[i] = nullptr;

  858.         }

  859. 

  860.         if (aOuts > 0)

  861.         {

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

  863.             fAudioOutBuffers = new float*[aOuts];

  864.             needsCtrlIn = true;

  865. 

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

  867.                 fAudioOutBuffers[i] = nullptr;

  868.         }

  869. 

  870.         if (mIns > 0)

  871.         {

  872.             fMidiIn.createNew(mIns);

  873.             needsCtrlIn = (mIns == 1);

  874.         }

  875. 

  876.         if (mOuts > 0)

  877.         {

  878.             fMidiOut.createNew(mOuts);

  879.             needsCtrlOut = (mOuts == 1);

  880.         }

  881. 

  882.         if (params > 0)

  883.         {

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

  885.         }

  886. 

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

  888.         CarlaString portName;

  889. 

  890.         // Audio Ins

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

  892.         {

  893.             portName.clear();

  894. 

  895.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  896.             {

  897.                 portName  = pData->name;

  898.                 portName += ":";

  899.             }

  900. 

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

  902.             {

  903.                 portName += "input_";

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

  905.             }

  906.             else

  907.                 portName += "input";

  908. 

  909.             portName.truncate(portNameSize);

  910. 

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

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

  913. 

  914.             if (forcedStereoIn)

  915.             {

  916.                 portName += "_2";

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

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

  919.                 break;

  920.             }

  921.         }

  922. 

  923.         // Audio Outs

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

  925.         {

  926.             portName.clear();

  927. 

  928.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  929.             {

  930.                 portName  = pData->name;

  931.                 portName += ":";

  932.             }

  933. 

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

  935.             {

  936.                 portName += "output_";

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

  938.             }

  939.             else

  940.                 portName += "output";

  941. 

  942.             portName.truncate(portNameSize);

  943. 

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

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

  946. 

  947.             if (forcedStereoOut)

  948.             {

  949.                 portName += "_2";

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

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

  952.                 break;

  953.             }

  954.         }

  955. 

  956.         // MIDI Input (only if multiple)

  957.         if (mIns > 1)

  958.         {

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

  960.             {

  961.                 portName.clear();

  962. 

  963.                 if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  964.                 {

  965.                     portName  = pData->name;

  966.                     portName += ":";

  967.                 }

  968. 

  969.                 portName += "midi-in_";

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

  971.                 portName.truncate(portNameSize);

  972. 

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

  974.                 fMidiIn.indexes[j] = j;

  975.             }

  976.         }

  977. 

  978.         // MIDI Output (only if multiple)

  979.         if (mOuts > 1)

  980.         {

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

  982.             {

  983.                 portName.clear();

  984. 

  985.                 if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  986.                 {

  987.                     portName  = pData->name;

  988.                     portName += ":";

  989.                 }

  990. 

  991.                 portName += "midi-out_";

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

  993.                 portName.truncate(portNameSize);

  994. 

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

  996.                 fMidiOut.indexes[j] = j;

  997.             }

  998.         }

  999. 

  1000.         for (j=0; j < params; ++j)

  1001.         {

  1002.             const NativeParameter* const paramInfo(fDescriptor->get_parameter_info(fHandle, j));

  1003. 

  1004.             CARLA_SAFE_ASSERT_CONTINUE(paramInfo != nullptr);

  1005. 

  1006.             pData->param.data[j].type   = PARAMETER_UNKNOWN;

  1007.             pData->param.data[j].index  = static_cast<int32_t>(j);

  1008.             pData->param.data[j].rindex = static_cast<int32_t>(j);

  1009. 

  1010.             float min, max, def, step, stepSmall, stepLarge;

  1011. 

  1012.             // min value

  1013.             min = paramInfo->ranges.min;

  1014. 

  1015.             // max value

  1016.             max = paramInfo->ranges.max;

  1017. 

  1018.             if (min > max)

  1019.                 max = min;

  1020.             else if (max < min)

  1021.                 min = max;

  1022. 

  1023.             if (carla_compareFloats(min, max))

  1024.             {

  1025.                 carla_stderr2("WARNING - Broken plugin parameter '%s': max == min", paramInfo->name);

  1026.                 max = min + 0.1f;

  1027.             }

  1028. 

  1029.             // default value

  1030.             def = paramInfo->ranges.def;

  1031. 

  1032.             if (def < min)

  1033.                 def = min;

  1034.             else if (def > max)

  1035.                 def = max;

  1036. 

  1037.             if (paramInfo->hints & NATIVE_PARAMETER_USES_SAMPLE_RATE)

  1038.             {

  1039.                 min *= sampleRate;

  1040.                 max *= sampleRate;

  1041.                 def *= sampleRate;

  1042.                 pData->param.data[j].hints |= PARAMETER_USES_SAMPLERATE;

  1043.             }

  1044. 

  1045.             if (paramInfo->hints & NATIVE_PARAMETER_IS_BOOLEAN)

  1046.             {

  1047.                 step = max - min;

  1048.                 stepSmall = step;

  1049.                 stepLarge = step;

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

  1051.             }

  1052.             else if (paramInfo->hints & NATIVE_PARAMETER_IS_INTEGER)

  1053.             {

  1054.                 step = 1.0f;

  1055.                 stepSmall = 1.0f;

  1056.                 stepLarge = 10.0f;

  1057.                 pData->param.data[j].hints |= PARAMETER_IS_INTEGER;

  1058.             }

  1059.             else

  1060.             {

  1061.                 float range = max - min;

  1062.                 step = range/100.0f;

  1063.                 stepSmall = range/1000.0f;

  1064.                 stepLarge = range/10.0f;

  1065.             }

  1066. 

  1067.             if (paramInfo->hints & NATIVE_PARAMETER_IS_OUTPUT)

  1068.             {

  1069.                 pData->param.data[j].type = PARAMETER_OUTPUT;

  1070.                 needsCtrlOut = true;

  1071.             }

  1072.             else

  1073.             {

  1074.                 pData->param.data[j].type = PARAMETER_INPUT;

  1075.                 needsCtrlIn = true;

  1076.             }

  1077. 

  1078.             // extra parameter hints

  1079.             if (paramInfo->hints & NATIVE_PARAMETER_IS_ENABLED)

  1080.                 pData->param.data[j].hints |= PARAMETER_IS_ENABLED;

  1081. 

  1082.             if (paramInfo->hints & NATIVE_PARAMETER_IS_AUTOMABLE)

  1083.                 pData->param.data[j].hints |= PARAMETER_IS_AUTOMABLE;

  1084. 

  1085.             if (paramInfo->hints & NATIVE_PARAMETER_IS_LOGARITHMIC)

  1086.                 pData->param.data[j].hints |= PARAMETER_IS_LOGARITHMIC;

  1087. 

  1088.             if (paramInfo->hints & NATIVE_PARAMETER_USES_SCALEPOINTS)

  1089.                 pData->param.data[j].hints |= PARAMETER_USES_SCALEPOINTS;

  1090. 

  1091.             if (paramInfo->hints & NATIVE_PARAMETER_USES_CUSTOM_TEXT)

  1092.                 pData->param.data[j].hints |= PARAMETER_USES_CUSTOM_TEXT;

  1093. 

  1094.             pData->param.ranges[j].min = min;

  1095.             pData->param.ranges[j].max = max;

  1096.             pData->param.ranges[j].def = def;

  1097.             pData->param.ranges[j].step = step;

  1098.             pData->param.ranges[j].stepSmall = stepSmall;

  1099.             pData->param.ranges[j].stepLarge = stepLarge;

  1100.         }

  1101. 

  1102.         if (needsCtrlIn)

  1103.         {

  1104.             portName.clear();

  1105. 

  1106.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1107.             {

  1108.                 portName  = pData->name;

  1109.                 portName += ":";

  1110.             }

  1111. 

  1112.             portName += "events-in";

  1113.             portName.truncate(portNameSize);

  1114. 

  1115.             pData->event.portIn = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, true);

  1116.         }

  1117. 

  1118.         if (needsCtrlOut)

  1119.         {

  1120.             portName.clear();

  1121. 

  1122.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1123.             {

  1124.                 portName  = pData->name;

  1125.                 portName += ":";

  1126.             }

  1127. 

  1128.             portName += "events-out";

  1129.             portName.truncate(portNameSize);

  1130. 

  1131.             pData->event.portOut = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, false);

  1132.         }

  1133. 

  1134.         if (forcedStereoIn || forcedStereoOut)

  1135.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  1136.         else

  1137.             pData->options &= ~PLUGIN_OPTION_FORCE_STEREO;

  1138. 

  1139.         // plugin hints

  1140.         pData->hints = 0x0;

  1141. 

  1142.         if (aOuts > 0 && (aIns == aOuts || aIns == 1))

  1143.             pData->hints |= PLUGIN_CAN_DRYWET;

  1144. 

  1145.         if (aOuts > 0)

  1146.             pData->hints |= PLUGIN_CAN_VOLUME;

  1147. 

  1148.         if (aOuts >= 2 && aOuts % 2 == 0)

  1149.             pData->hints |= PLUGIN_CAN_BALANCE;

  1150. 

  1151.         // native plugin hints

  1152.         if (fDescriptor->hints & NATIVE_PLUGIN_IS_RTSAFE)

  1153.             pData->hints |= PLUGIN_IS_RTSAFE;

  1154.         if (fDescriptor->hints & NATIVE_PLUGIN_IS_SYNTH)

  1155.             pData->hints |= PLUGIN_IS_SYNTH;

  1156.         if (fDescriptor->hints & NATIVE_PLUGIN_HAS_UI)

  1157.             pData->hints |= PLUGIN_HAS_CUSTOM_UI;

  1158.         if (fDescriptor->hints & NATIVE_PLUGIN_NEEDS_SINGLE_THREAD)

  1159.             pData->hints |= PLUGIN_NEEDS_SINGLE_THREAD;

  1160.         if (fDescriptor->hints & NATIVE_PLUGIN_NEEDS_FIXED_BUFFERS)

  1161.             pData->hints |= PLUGIN_NEEDS_FIXED_BUFFERS;

  1162. 

  1163.         // extra plugin hints

  1164.         pData->extraHints = 0x0;

  1165. 

  1166.         if (aIns <= 2 && aOuts <= 2 && (aIns == aOuts || aIns == 0 || aOuts == 0) && mIns <= 1 && mOuts <= 1)

  1167.             pData->extraHints |= PLUGIN_EXTRA_HINT_CAN_RUN_RACK;

  1168. 

  1169.         if (fDescriptor->hints & NATIVE_PLUGIN_USES_MULTI_PROGS)

  1170.             pData->extraHints |= PLUGIN_EXTRA_HINT_USES_MULTI_PROGS;

  1171. 

  1172.         bufferSizeChanged(pData->engine->getBufferSize());

  1173.         reloadPrograms(true);

  1174. 

  1175.         if (pData->active)

  1176.             activate();

  1177. 

  1178.         carla_debug("CarlaPluginNative::reload() - end");

  1179.     }

  1180. 

  1181.     void reloadPrograms(const bool doInit) override

  1182.     {

  1183.         carla_debug("CarlaPluginNative::reloadPrograms(%s)", bool2str(doInit));

  1184.         uint32_t i, oldCount  = pData->midiprog.count;

  1185.         const int32_t current = pData->midiprog.current;

  1186. 

  1187.         // Delete old programs

  1188.         pData->midiprog.clear();

  1189. 

  1190.         // Query new programs

  1191.         uint32_t count = 0;

  1192.         if (fDescriptor->get_midi_program_count != nullptr && fDescriptor->get_midi_program_info != nullptr && fDescriptor->set_midi_program != nullptr)

  1193.             count = fDescriptor->get_midi_program_count(fHandle);

  1194. 

  1195.         if (count > 0)

  1196.         {

  1197.             pData->midiprog.createNew(count);

  1198. 

  1199.             // Update data

  1200.             for (i=0; i < count; ++i)

  1201.             {

  1202.                 const NativeMidiProgram* const mpDesc(fDescriptor->get_midi_program_info(fHandle, i));

  1203.                 CARLA_SAFE_ASSERT_CONTINUE(mpDesc != nullptr);

  1204. 

  1205.                 pData->midiprog.data[i].bank    = mpDesc->bank;

  1206.                 pData->midiprog.data[i].program = mpDesc->program;

  1207.                 pData->midiprog.data[i].name    = carla_strdup(mpDesc->name);

  1208.             }

  1209.         }

  1210. 

  1211. #ifndef BUILD_BRIDGE

  1212.         // Update OSC Names

  1213.         if (pData->engine->isOscControlRegistered())

  1214.         {

  1215.             pData->engine->oscSend_control_set_midi_program_count(pData->id, count);

  1216. 

  1217.             for (i=0; i < count; ++i)

  1218.                 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);

  1219.         }

  1220. #endif

  1221. 

  1222.         if (doInit)

  1223.         {

  1224.             if (count > 0)

  1225.                 setMidiProgram(0, false, false, false);

  1226.         }

  1227.         else

  1228.         {

  1229.             // Check if current program is invalid

  1230.             bool programChanged = false;

  1231. 

  1232.             if (count == oldCount+1)

  1233.             {

  1234.                 // one midi program added, probably created by user

  1235.                 pData->midiprog.current = static_cast<int32_t>(oldCount);

  1236.                 programChanged = true;

  1237.             }

  1238.             else if (current < 0 && count > 0)

  1239.             {

  1240.                 // programs exist now, but not before

  1241.                 pData->midiprog.current = 0;

  1242.                 programChanged = true;

  1243.             }

  1244.             else if (current >= 0 && count == 0)

  1245.             {

  1246.                 // programs existed before, but not anymore

  1247.                 pData->midiprog.current = -1;

  1248.                 programChanged = true;

  1249.             }

  1250.             else if (current >= static_cast<int32_t>(count))

  1251.             {

  1252.                 // current midi program > count

  1253.                 pData->midiprog.current = 0;

  1254.                 programChanged = true;

  1255.             }

  1256.             else

  1257.             {

  1258.                 // no change

  1259.                 pData->midiprog.current = current;

  1260.             }

  1261. 

  1262.             if (programChanged)

  1263.                 setMidiProgram(pData->midiprog.current, true, true, true);

  1264. 

  1265.             pData->engine->callback(ENGINE_CALLBACK_RELOAD_PROGRAMS, pData->id, 0, 0, 0.0f, nullptr);

  1266.         }

  1267.     }

  1268. 

  1269.     // -------------------------------------------------------------------

  1270.     // Plugin processing

  1271. 

  1272.     void activate() noexcept override

  1273.     {

  1274.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1275.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  1276. 

  1277.         if (fDescriptor->activate != nullptr)

  1278.         {

  1279.             try {

  1280.                 fDescriptor->activate(fHandle);

  1281.             } catch(...) {}

  1282. 

  1283.             if (fHandle2 != nullptr)

  1284.             {

  1285.                 try {

  1286.                     fDescriptor->activate(fHandle2);

  1287.                 } catch(...) {}

  1288.             }

  1289.         }

  1290.     }

  1291. 

  1292.     void deactivate() noexcept override

  1293.     {

  1294.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1295.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  1296. 

  1297.         if (fDescriptor->deactivate != nullptr)

  1298.         {

  1299.             try {

  1300.                 fDescriptor->deactivate(fHandle);

  1301.             } catch(...) {}

  1302. 

  1303.             if (fHandle2 != nullptr)

  1304.             {

  1305.                 try {

  1306.                     fDescriptor->deactivate(fHandle2);

  1307.                 } catch(...) {}

  1308.             }

  1309.         }

  1310.     }

  1311. 

  1312.     void process(const float** const audioIn, float** const audioOut, const float** const cvIn, float** const cvOut, const uint32_t frames) override

  1313.     {

  1314.         // --------------------------------------------------------------------------------------------------------

  1315.         // Check if active

  1316. 

  1317.         if (! pData->active)

  1318.         {

  1319.             // disable any output sound

  1320.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1321.                 FloatVectorOperations::clear(audioOut[i], static_cast<int>(frames));

  1322.             for (uint32_t i=0; i < pData->cvOut.count; ++i)

  1323.                 FloatVectorOperations::clear(cvOut[i], static_cast<int>(frames));

  1324.             return;

  1325.         }

  1326. 

  1327.         fMidiEventCount = 0;

  1328.         carla_zeroStruct<NativeMidiEvent>(fMidiEvents, kPluginMaxMidiEvents*2);

  1329. 

  1330.         // --------------------------------------------------------------------------------------------------------

  1331.         // Check if needs reset

  1332. 

  1333.         if (pData->needsReset)

  1334.         {

  1335.             if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1336.             {

  1337.                 fMidiEventCount = MAX_MIDI_CHANNELS*2;

  1338. 

  1339.                 for (uint8_t k=0, i=MAX_MIDI_CHANNELS; k < MAX_MIDI_CHANNELS; ++k)

  1340.                 {

  1341.                     fMidiEvents[k].data[0] = uint8_t(MIDI_STATUS_CONTROL_CHANGE | (k & MIDI_CHANNEL_BIT));

  1342.                     fMidiEvents[k].data[1] = MIDI_CONTROL_ALL_NOTES_OFF;

  1343.                     fMidiEvents[k].data[2] = 0;

  1344.                     fMidiEvents[k].size    = 3;

  1345. 

  1346.                     fMidiEvents[k+i].data[0] = uint8_t(MIDI_STATUS_CONTROL_CHANGE | (k & MIDI_CHANNEL_BIT));

  1347.                     fMidiEvents[k+i].data[1] = MIDI_CONTROL_ALL_SOUND_OFF;

  1348.                     fMidiEvents[k+i].data[2] = 0;

  1349.                     fMidiEvents[k+i].size    = 3;

  1350.                 }

  1351.             }

  1352.             else if (pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1353.             {

  1354.                 fMidiEventCount = MAX_MIDI_NOTE;

  1355. 

  1356.                 for (uint8_t k=0; k < MAX_MIDI_NOTE; ++k)

  1357.                 {

  1358.                     fMidiEvents[k].data[0] = uint8_t(MIDI_STATUS_NOTE_OFF | (pData->ctrlChannel & MIDI_CHANNEL_BIT));

  1359.                     fMidiEvents[k].data[1] = k;

  1360.                     fMidiEvents[k].data[2] = 0;

  1361.                     fMidiEvents[k].size    = 3;

  1362.                 }

  1363.             }

  1364. 

  1365.             pData->needsReset = false;

  1366.         }

  1367. 

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

  1369.         // Set TimeInfo

  1370. 

  1371.         const EngineTimeInfo& timeInfo(pData->engine->getTimeInfo());

  1372. 

  1373.         fTimeInfo.playing = timeInfo.playing;

  1374.         fTimeInfo.frame   = timeInfo.frame;

  1375.         fTimeInfo.usecs   = timeInfo.usecs;

  1376. 

  1377.         if (timeInfo.valid & EngineTimeInfo::kValidBBT)

  1378.         {

  1379.             fTimeInfo.bbt.valid = true;

  1380. 

  1381.             fTimeInfo.bbt.bar  = timeInfo.bbt.bar;

  1382.             fTimeInfo.bbt.beat = timeInfo.bbt.beat;

  1383.             fTimeInfo.bbt.tick = timeInfo.bbt.tick;

  1384.             fTimeInfo.bbt.barStartTick = timeInfo.bbt.barStartTick;

  1385. 

  1386.             fTimeInfo.bbt.beatsPerBar = timeInfo.bbt.beatsPerBar;

  1387.             fTimeInfo.bbt.beatType    = timeInfo.bbt.beatType;

  1388. 

  1389.             fTimeInfo.bbt.ticksPerBeat   = timeInfo.bbt.ticksPerBeat;

  1390.             fTimeInfo.bbt.beatsPerMinute = timeInfo.bbt.beatsPerMinute;

  1391.         }

  1392.         else

  1393.             fTimeInfo.bbt.valid = false;

  1394. 

  1395.         // --------------------------------------------------------------------------------------------------------

  1396.         // Event Input and Processing

  1397. 

  1398.         if (pData->event.portIn != nullptr)

  1399.         {

  1400.             // ----------------------------------------------------------------------------------------------------

  1401.             // MIDI Input (External)

  1402. 

  1403.             if (pData->extNotes.mutex.tryLock())

  1404.             {

  1405.                 ExternalMidiNote note = { 0, 0, 0 };

  1406. 

  1407.                 for (; fMidiEventCount < kPluginMaxMidiEvents*2 && ! pData->extNotes.data.isEmpty();)

  1408.                 {

  1409.                     note = pData->extNotes.data.getFirst(note, true);

  1410. 

  1411.                     CARLA_SAFE_ASSERT_CONTINUE(note.channel >= 0 && note.channel < MAX_MIDI_CHANNELS);

  1412. 

  1413.                     NativeMidiEvent& nativeEvent(fMidiEvents[fMidiEventCount++]);

  1414. 

  1415.                     nativeEvent.data[0] = uint8_t((note.velo > 0 ? MIDI_STATUS_NOTE_ON : MIDI_STATUS_NOTE_OFF) | (note.channel & MIDI_CHANNEL_BIT));

  1416.                     nativeEvent.data[1] = note.note;

  1417.                     nativeEvent.data[2] = note.velo;

  1418.                     nativeEvent.size    = 3;

  1419.                 }

  1420. 

  1421.                 pData->extNotes.mutex.unlock();

  1422. 

  1423.             } // End of MIDI Input (External)

  1424. 

  1425.             // ----------------------------------------------------------------------------------------------------

  1426.             // Event Input (System)

  1427. 

  1428. #ifndef BUILD_BRIDGE

  1429.             bool allNotesOffSent = false;

  1430. #endif

  1431.             bool sampleAccurate  = (pData->options & PLUGIN_OPTION_FIXED_BUFFERS) == 0;

  1432. 

  1433.             uint32_t startTime  = 0;

  1434.             uint32_t timeOffset = 0;

  1435.             uint32_t nextBankId;

  1436. 

  1437.             if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1438.                 nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1439.             else

  1440.                 nextBankId = 0;

  1441. 

  1442.             for (uint32_t i=0, numEvents=pData->event.portIn->getEventCount(); i < numEvents; ++i)

  1443.             {

  1444.                 const EngineEvent& event(pData->event.portIn->getEvent(i));

  1445. 

  1446.                 if (event.time >= frames)

  1447.                     continue;

  1448. 

  1449.                 CARLA_ASSERT_INT2(event.time >= timeOffset, event.time, timeOffset);

  1450. 

  1451.                 if (event.time > timeOffset && sampleAccurate)

  1452.                 {

  1453.                     if (processSingle(audioIn, audioOut, cvIn, cvOut, event.time - timeOffset, timeOffset))

  1454.                     {

  1455.                         startTime  = 0;

  1456.                         timeOffset = event.time;

  1457. 

  1458.                         if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1459.                             nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1460.                         else

  1461.                             nextBankId = 0;

  1462. 

  1463.                         if (fMidiEventCount > 0)

  1464.                         {

  1465.                             carla_zeroStruct<NativeMidiEvent>(fMidiEvents, fMidiEventCount);

  1466.                             fMidiEventCount = 0;

  1467.                         }

  1468.                     }

  1469.                     else

  1470.                         startTime += timeOffset;

  1471.                 }

  1472. 

  1473.                 // Control change

  1474.                 switch (event.type)

  1475.                 {

  1476.                 case kEngineEventTypeNull:

  1477.                     break;

  1478. 

  1479.                 case kEngineEventTypeControl: {

  1480.                     const EngineControlEvent& ctrlEvent = event.ctrl;

  1481. 

  1482.                     switch (ctrlEvent.type)

  1483.                     {

  1484.                     case kEngineControlEventTypeNull:

  1485.                         break;

  1486. 

  1487.                     case kEngineControlEventTypeParameter: {

  1488. #ifndef BUILD_BRIDGE

  1489.                         // Control backend stuff

  1490.                         if (event.channel == pData->ctrlChannel)

  1491.                         {

  1492.                             float value;

  1493. 

  1494.                             if (MIDI_IS_CONTROL_BREATH_CONTROLLER(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_DRYWET) > 0)

  1495.                             {

  1496.                                 value = ctrlEvent.value;

  1497.                                 setDryWet(value, false, false);

  1498.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_DRYWET, 0, value);

  1499.                             }

  1500. 

  1501.                             if (MIDI_IS_CONTROL_CHANNEL_VOLUME(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_VOLUME) > 0)

  1502.                             {

  1503.                                 value = ctrlEvent.value*127.0f/100.0f;

  1504.                                 setVolume(value, false, false);

  1505.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_VOLUME, 0, value);

  1506.                             }

  1507. 

  1508.                             if (MIDI_IS_CONTROL_BALANCE(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_BALANCE) > 0)

  1509.                             {

  1510.                                 float left, right;

  1511.                                 value = ctrlEvent.value/0.5f - 1.0f;

  1512. 

  1513.                                 if (value < 0.0f)

  1514.                                 {

  1515.                                     left  = -1.0f;

  1516.                                     right = (value*2.0f)+1.0f;

  1517.                                 }

  1518.                                 else if (value > 0.0f)

  1519.                                 {

  1520.                                     left  = (value*2.0f)-1.0f;

  1521.                                     right = 1.0f;

  1522.                                 }

  1523.                                 else

  1524.                                 {

  1525.                                     left  = -1.0f;

  1526.                                     right = 1.0f;

  1527.                                 }

  1528. 

  1529.                                 setBalanceLeft(left, false, false);

  1530.                                 setBalanceRight(right, false, false);

  1531.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_LEFT, 0, left);

  1532.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_RIGHT, 0, right);

  1533.                             }

  1534.                         }

  1535. #endif

  1536.                         // Control plugin parameters

  1537.                         for (uint32_t k=0; k < pData->param.count; ++k)

  1538.                         {

  1539.                             if (pData->param.data[k].midiChannel != event.channel)

  1540.                                 continue;

  1541.                             if (pData->param.data[k].midiCC != ctrlEvent.param)

  1542.                                 continue;

  1543.                             if (pData->param.data[k].type != PARAMETER_INPUT)

  1544.                                 continue;

  1545.                             if ((pData->param.data[k].hints & PARAMETER_IS_AUTOMABLE) == 0)

  1546.                                 continue;

  1547. 

  1548.                             float value;

  1549. 

  1550.                             if (pData->param.data[k].hints & PARAMETER_IS_BOOLEAN)

  1551.                             {

  1552.                                 value = (ctrlEvent.value < 0.5f) ? pData->param.ranges[k].min : pData->param.ranges[k].max;

  1553.                             }

  1554.                             else

  1555.                             {

  1556.                                 value = pData->param.ranges[k].getUnnormalizedValue(ctrlEvent.value);

  1557. 

  1558.                                 if (pData->param.data[k].hints & PARAMETER_IS_INTEGER)

  1559.                                     value = std::rint(value);

  1560.                             }

  1561. 

  1562.                             setParameterValue(k, value, false, false, false);

  1563.                             pData->postponeRtEvent(kPluginPostRtEventParameterChange, static_cast<int32_t>(k), 0, value);

  1564.                         }

  1565. 

  1566.                         if ((pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0 && ctrlEvent.param < MAX_MIDI_CONTROL)

  1567.                         {

  1568.                             if (fMidiEventCount >= kPluginMaxMidiEvents*2)

  1569.                                 continue;

  1570. 

  1571.                             NativeMidiEvent& nativeEvent(fMidiEvents[fMidiEventCount++]);

  1572.                             carla_zeroStruct(nativeEvent);

  1573. 

  1574.                             nativeEvent.time    = sampleAccurate ? startTime : event.time;

  1575.                             nativeEvent.data[0] = uint8_t(MIDI_STATUS_CONTROL_CHANGE | (event.channel & MIDI_CHANNEL_BIT));

  1576.                             nativeEvent.data[1] = uint8_t(ctrlEvent.param);

  1577.                             nativeEvent.data[2] = uint8_t(ctrlEvent.value*127.0f);

  1578.                             nativeEvent.size    = 3;

  1579.                         }

  1580.                         break;

  1581.                     }

  1582. 

  1583.                     case kEngineControlEventTypeMidiBank:

  1584.                         if (event.channel == pData->ctrlChannel && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1585.                             nextBankId = ctrlEvent.param;

  1586.                         break;

  1587. 

  1588.                     case kEngineControlEventTypeMidiProgram:

  1589.                         if (event.channel < MAX_MIDI_CHANNELS && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1590.                         {

  1591.                             const uint32_t nextProgramId(ctrlEvent.param);

  1592. 

  1593.                             for (uint32_t k=0; k < pData->midiprog.count; ++k)

  1594.                             {

  1595.                                 if (pData->midiprog.data[k].bank == nextBankId && pData->midiprog.data[k].program == nextProgramId)

  1596.                                 {

  1597.                                     fDescriptor->set_midi_program(fHandle, event.channel, nextBankId, nextProgramId);

  1598. 

  1599.                                     if (fHandle2 != nullptr)

  1600.                                         fDescriptor->set_midi_program(fHandle2, event.channel, nextBankId, nextProgramId);

  1601. 

  1602.                                     fCurMidiProgs[event.channel] = static_cast<int32_t>(k);

  1603. 

  1604.                                     if (event.channel == pData->ctrlChannel)

  1605.                                         pData->postponeRtEvent(kPluginPostRtEventMidiProgramChange, static_cast<int32_t>(k), 0, 0.0f);

  1606. 

  1607.                                     break;

  1608.                                 }

  1609.                             }

  1610.                         }

  1611.                         break;

  1612. 

  1613.                     case kEngineControlEventTypeAllSoundOff:

  1614.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1615.                         {

  1616.                             if (fMidiEventCount >= kPluginMaxMidiEvents*2)

  1617.                                 continue;

  1618. 

  1619.                             NativeMidiEvent& nativeEvent(fMidiEvents[fMidiEventCount++]);

  1620.                             carla_zeroStruct(nativeEvent);

  1621. 

  1622.                             nativeEvent.port    = 0;

  1623.                             nativeEvent.time    = sampleAccurate ? startTime : event.time;

  1624.                             nativeEvent.data[0] = uint8_t(MIDI_STATUS_CONTROL_CHANGE | (event.channel & MIDI_CHANNEL_BIT));

  1625.                             nativeEvent.data[1] = MIDI_CONTROL_ALL_SOUND_OFF;

  1626.                             nativeEvent.data[2] = 0;

  1627.                             nativeEvent.size    = 3;

  1628.                         }

  1629.                         break;

  1630. 

  1631.                     case kEngineControlEventTypeAllNotesOff:

  1632.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1633.                         {

  1634. #ifndef BUILD_BRIDGE

  1635.                             if (event.channel == pData->ctrlChannel && ! allNotesOffSent)

  1636.                             {

  1637.                                 allNotesOffSent = true;

  1638.                                 sendMidiAllNotesOffToCallback();

  1639.                             }

  1640. #endif

  1641. 

  1642.                             if (fMidiEventCount >= kPluginMaxMidiEvents*2)

  1643.                                 continue;

  1644. 

  1645.                             NativeMidiEvent& nativeEvent(fMidiEvents[fMidiEventCount++]);

  1646.                             carla_zeroStruct(nativeEvent);

  1647. 

  1648.                             nativeEvent.time    = sampleAccurate ? startTime : event.time;

  1649.                             nativeEvent.data[0] = uint8_t(MIDI_STATUS_CONTROL_CHANGE | (event.channel & MIDI_CHANNEL_BIT));

  1650.                             nativeEvent.data[1] = MIDI_CONTROL_ALL_NOTES_OFF;

  1651.                             nativeEvent.data[2] = 0;

  1652.                             nativeEvent.size    = 3;

  1653.                         }

  1654.                         break;

  1655.                     }

  1656.                     break;

  1657.                 }

  1658. 

  1659.                 case kEngineEventTypeMidi: {

  1660.                     if (fMidiEventCount >= kPluginMaxMidiEvents*2)

  1661.                         continue;

  1662. 

  1663.                     const EngineMidiEvent& midiEvent(event.midi);

  1664. 

  1665.                     if (midiEvent.size > 4)

  1666.                         continue;

  1667. #ifdef CARLA_PROPER_CPP11_SUPPORT

  1668.                     static_assert(4 <= EngineMidiEvent::kDataSize, "Incorrect data");

  1669. #endif

  1670. 

  1671.                     uint8_t status = uint8_t(MIDI_GET_STATUS_FROM_DATA(midiEvent.data));

  1672. 

  1673.                     if (status == MIDI_STATUS_CHANNEL_PRESSURE && (pData->options & PLUGIN_OPTION_SEND_CHANNEL_PRESSURE) == 0)

  1674.                         continue;

  1675.                     if (status == MIDI_STATUS_CONTROL_CHANGE && (pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) == 0)

  1676.                         continue;

  1677.                     if (status == MIDI_STATUS_POLYPHONIC_AFTERTOUCH && (pData->options & PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH) == 0)

  1678.                         continue;

  1679.                     if (status == MIDI_STATUS_PITCH_WHEEL_CONTROL && (pData->options & PLUGIN_OPTION_SEND_PITCHBEND) == 0)

  1680.                         continue;

  1681. 

  1682.                     // Fix bad note-off

  1683.                     if (status == MIDI_STATUS_NOTE_ON && midiEvent.data[2] == 0)

  1684.                         status = MIDI_STATUS_NOTE_OFF;

  1685. 

  1686.                     NativeMidiEvent& nativeEvent(fMidiEvents[fMidiEventCount++]);

  1687.                     carla_zeroStruct(nativeEvent);

  1688. 

  1689.                     nativeEvent.port = midiEvent.port;

  1690.                     nativeEvent.time = sampleAccurate ? startTime : event.time;

  1691.                     nativeEvent.size = midiEvent.size;

  1692. 

  1693.                     nativeEvent.data[0] = uint8_t(status | (event.channel & MIDI_CHANNEL_BIT));

  1694.                     nativeEvent.data[1] = midiEvent.size >= 2 ? midiEvent.data[1] : 0;

  1695.                     nativeEvent.data[2] = midiEvent.size >= 3 ? midiEvent.data[2] : 0;

  1696.                     nativeEvent.data[3] = midiEvent.size == 4 ? midiEvent.data[3] : 0;

  1697. 

  1698.                     if (status == MIDI_STATUS_NOTE_ON)

  1699.                         pData->postponeRtEvent(kPluginPostRtEventNoteOn, event.channel, midiEvent.data[1], midiEvent.data[2]);

  1700.                     else if (status == MIDI_STATUS_NOTE_OFF)

  1701.                         pData->postponeRtEvent(kPluginPostRtEventNoteOff, event.channel, midiEvent.data[1], 0.0f);

  1702.                 } break;

  1703.                 } // switch (event.type)

  1704.             }

  1705. 

  1706.             pData->postRtEvents.trySplice();

  1707. 

  1708.             if (frames > timeOffset)

  1709.                 processSingle(audioIn, audioOut, cvIn, cvOut, frames - timeOffset, timeOffset);

  1710. 

  1711.         } // End of Event Input and Processing

  1712. 

  1713.         // --------------------------------------------------------------------------------------------------------

  1714.         // Plugin processing (no events)

  1715. 

  1716.         else

  1717.         {

  1718.             processSingle(audioIn, audioOut, cvIn, cvOut, frames, 0);

  1719. 

  1720.         } // End of Plugin processing (no events)

  1721. 

  1722.         // --------------------------------------------------------------------------------------------------------

  1723.         // Control and MIDI Output

  1724. 

  1725.         if (fMidiOut.count > 0 || pData->event.portOut != nullptr)

  1726.         {

  1727. #ifndef BUILD_BRIDGE

  1728.             float value, curValue;

  1729. 

  1730.             for (uint32_t k=0; k < pData->param.count; ++k)

  1731.             {

  1732.                 if (pData->param.data[k].type != PARAMETER_OUTPUT)

  1733.                     continue;

  1734. 

  1735.                 curValue = fDescriptor->get_parameter_value(fHandle, k);

  1736.                 pData->param.ranges[k].fixValue(curValue);

  1737. 

  1738.                 if (pData->param.data[k].midiCC > 0)

  1739.                 {

  1740.                     value = pData->param.ranges[k].getNormalizedValue(curValue);

  1741.                     pData->event.portOut->writeControlEvent(0, pData->param.data[k].midiChannel, kEngineControlEventTypeParameter, static_cast<uint16_t>(pData->param.data[k].midiCC), value);

  1742.                 }

  1743.             }

  1744. #endif

  1745. 

  1746.             // reverse lookup MIDI events

  1747.             for (uint32_t k = (kPluginMaxMidiEvents*2)-1; k >= fMidiEventCount; --k)

  1748.             {

  1749.                 if (fMidiEvents[k].data[0] == 0)

  1750.                     break;

  1751. 

  1752.                 const uint8_t channel = uint8_t(MIDI_GET_CHANNEL_FROM_DATA(fMidiEvents[k].data));

  1753.                 const uint8_t port    = fMidiEvents[k].port;

  1754. 

  1755.                 if (pData->event.portOut != nullptr)

  1756.                     pData->event.portOut->writeMidiEvent(fMidiEvents[k].time, channel, port, fMidiEvents[k].size, fMidiEvents[k].data);

  1757.                 else if (port < fMidiOut.count)

  1758.                     fMidiOut.ports[port]->writeMidiEvent(fMidiEvents[k].time, channel, port, fMidiEvents[k].size, fMidiEvents[k].data);

  1759.             }

  1760. 

  1761.         } // End of Control and MIDI Output

  1762.     }

  1763. 

  1764.     bool processSingle(const float** const audioIn, float** const audioOut, const float** const cvIn, float** const cvOut, const uint32_t frames, const uint32_t timeOffset)

  1765.     {

  1766.         CARLA_SAFE_ASSERT_RETURN(frames > 0, false);

  1767. 

  1768.         if (pData->audioIn.count > 0)

  1769.         {

  1770.             CARLA_SAFE_ASSERT_RETURN(audioIn != nullptr, false);

  1771.         }

  1772.         if (pData->audioOut.count > 0)

  1773.         {

  1774.             CARLA_SAFE_ASSERT_RETURN(audioOut != nullptr, false);

  1775.         }

  1776.         if (pData->cvIn.count > 0)

  1777.         {

  1778.             CARLA_SAFE_ASSERT_RETURN(cvIn != nullptr, false);

  1779.         }

  1780.         if (pData->cvOut.count > 0)

  1781.         {

  1782.             CARLA_SAFE_ASSERT_RETURN(cvOut != nullptr, false);

  1783.         }

  1784. 

  1785.         // --------------------------------------------------------------------------------------------------------

  1786.         // Try lock, silence otherwise

  1787. 

  1788.         if (pData->engine->isOffline())

  1789.         {

  1790.             pData->singleMutex.lock();

  1791.         }

  1792.         else if (! pData->singleMutex.tryLock())

  1793.         {

  1794.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1795.             {

  1796.                 for (uint32_t k=0; k < frames; ++k)

  1797.                     audioOut[i][k+timeOffset] = 0.0f;

  1798.             }

  1799.             for (uint32_t i=0; i < pData->cvOut.count; ++i)

  1800.             {

  1801.                 for (uint32_t k=0; k < frames; ++k)

  1802.                     cvOut[i][k+timeOffset] = 0.0f;

  1803.             }

  1804. 

  1805.             return false;

  1806.         }

  1807. 

  1808.         // --------------------------------------------------------------------------------------------------------

  1809.         // Set audio buffers

  1810. 

  1811.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1812.             FloatVectorOperations::copy(fAudioInBuffers[i], audioIn[i]+timeOffset, static_cast<int>(frames));

  1813. 

  1814.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1815.             FloatVectorOperations::clear(fAudioOutBuffers[i], static_cast<int>(frames));

  1816. 

  1817. #if 0

  1818.         // --------------------------------------------------------------------------------------------------------

  1819.         // Set CV buffers

  1820. 

  1821.         for (uint32_t i=0; i < pData->cvIn.count; ++i)

  1822.             FloatVectorOperations::copy(fCvInBuffers[i], cvIn[i]+timeOffset, static_cast<int>(frames));

  1823. 

  1824.         for (uint32_t i=0; i < pData->cvOut.count; ++i)

  1825.             FloatVectorOperations::clear(fCvOutBuffers[i], static_cast<int>(frames));

  1826. #endif

  1827. 

  1828.         // --------------------------------------------------------------------------------------------------------

  1829.         // Run plugin

  1830. 

  1831.         fIsProcessing = true;

  1832. 

  1833.         if (fHandle2 == nullptr)

  1834.         {

  1835.             fDescriptor->process(fHandle, fAudioInBuffers, fAudioOutBuffers, frames, fMidiEvents, fMidiEventCount);

  1836.         }

  1837.         else

  1838.         {

  1839.             fDescriptor->process(fHandle,

  1840.                                  (pData->audioIn.count > 0) ? &fAudioInBuffers[0] : nullptr,

  1841.                                  (pData->audioOut.count > 0) ? &fAudioOutBuffers[0] : nullptr,

  1842.                                  frames, fMidiEvents, fMidiEventCount);

  1843. 

  1844.             fDescriptor->process(fHandle2,

  1845.                                  (pData->audioIn.count > 0) ? &fAudioInBuffers[1] : nullptr,

  1846.                                  (pData->audioOut.count > 0) ? &fAudioOutBuffers[1] : nullptr,

  1847.                                  frames, fMidiEvents, fMidiEventCount);

  1848.         }

  1849. 

  1850.         fIsProcessing = false;

  1851.         fTimeInfo.frame += frames;

  1852. 

  1853. #ifndef BUILD_BRIDGE

  1854.         // --------------------------------------------------------------------------------------------------------

  1855.         // Post-processing (dry/wet, volume and balance)

  1856. 

  1857.         {

  1858.             const bool doDryWet  = (pData->hints & PLUGIN_CAN_DRYWET) != 0 && ! carla_compareFloats(pData->postProc.dryWet, 1.0f);

  1859.             const bool doBalance = (pData->hints & PLUGIN_CAN_BALANCE) != 0 && ! (carla_compareFloats(pData->postProc.balanceLeft, -1.0f) && carla_compareFloats(pData->postProc.balanceRight, 1.0f));

  1860. 

  1861.             bool isPair;

  1862.             float bufValue, oldBufLeft[doBalance ? frames : 1];

  1863. 

  1864.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1865.             {

  1866.                 // Dry/Wet

  1867.                 if (doDryWet)

  1868.                 {

  1869.                     for (uint32_t k=0; k < frames; ++k)

  1870.                     {

  1871.                         bufValue = fAudioInBuffers[(pData->audioIn.count == 1) ? 0 : i][k];

  1872.                         fAudioOutBuffers[i][k] = (fAudioOutBuffers[i][k] * pData->postProc.dryWet) + (bufValue * (1.0f - pData->postProc.dryWet));

  1873.                     }

  1874.                 }

  1875. 

  1876.                 // Balance

  1877.                 if (doBalance)

  1878.                 {

  1879.                     isPair = (i % 2 == 0);

  1880. 

  1881.                     if (isPair)

  1882.                     {

  1883.                         CARLA_ASSERT(i+1 < pData->audioOut.count);

  1884.                         FloatVectorOperations::copy(oldBufLeft, fAudioOutBuffers[i], static_cast<int>(frames));

  1885.                     }

  1886. 

  1887.                     float balRangeL = (pData->postProc.balanceLeft  + 1.0f)/2.0f;

  1888.                     float balRangeR = (pData->postProc.balanceRight + 1.0f)/2.0f;

  1889. 

  1890.                     for (uint32_t k=0; k < frames; ++k)

  1891.                     {

  1892.                         if (isPair)

  1893.                         {

  1894.                             // left

  1895.                             fAudioOutBuffers[i][k]  = oldBufLeft[k]            * (1.0f - balRangeL);

  1896.                             fAudioOutBuffers[i][k] += fAudioOutBuffers[i+1][k] * (1.0f - balRangeR);

  1897.                         }

  1898.                         else

  1899.                         {

  1900.                             // right

  1901.                             fAudioOutBuffers[i][k]  = fAudioOutBuffers[i][k] * balRangeR;

  1902.                             fAudioOutBuffers[i][k] += oldBufLeft[k]          * balRangeL;

  1903.                         }

  1904.                     }

  1905.                 }

  1906. 

  1907.                 // Volume (and buffer copy)

  1908.                 {

  1909.                     for (uint32_t k=0; k < frames; ++k)

  1910.                         audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k] * pData->postProc.volume;

  1911.                 }

  1912.             }

  1913. 

  1914.         } // End of Post-processing

  1915. #else

  1916.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1917.         {

  1918.             for (uint32_t k=0; k < frames; ++k)

  1919.                 audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k];

  1920.         }

  1921. #endif

  1922. 

  1923. #if 0

  1924.         for (uint32_t i=0; i < pData->cvOut.count; ++i)

  1925.         {

  1926.             for (uint32_t k=0; k < frames; ++k)

  1927.                 cvOut[i][k+timeOffset] = fCvOutBuffers[i][k];

  1928.         }

  1929. #endif

  1930. 

  1931.         // --------------------------------------------------------------------------------------------------------

  1932. 

  1933.         pData->singleMutex.unlock();

  1934.         return true;

  1935.     }

  1936. 

  1937.     void bufferSizeChanged(const uint32_t newBufferSize) override

  1938.     {

  1939.         CARLA_ASSERT_INT(newBufferSize > 0, newBufferSize);

  1940.         carla_debug("CarlaPluginNative::bufferSizeChanged(%i)", newBufferSize);

  1941. 

  1942.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1943.         {

  1944.             if (fAudioInBuffers[i] != nullptr)

  1945.                 delete[] fAudioInBuffers[i];

  1946.             fAudioInBuffers[i] = new float[newBufferSize];

  1947.         }

  1948. 

  1949.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1950.         {

  1951.             if (fAudioOutBuffers[i] != nullptr)

  1952.                 delete[] fAudioOutBuffers[i];

  1953.             fAudioOutBuffers[i] = new float[newBufferSize];

  1954.         }

  1955. 

  1956.         if (fDescriptor != nullptr && fDescriptor->dispatcher != nullptr)

  1957.         {

  1958.             fDescriptor->dispatcher(fHandle, NATIVE_PLUGIN_OPCODE_BUFFER_SIZE_CHANGED, 0, static_cast<intptr_t>(newBufferSize), nullptr, 0.0f);

  1959. 

  1960.             if (fHandle2 != nullptr)

  1961.                 fDescriptor->dispatcher(fHandle2, NATIVE_PLUGIN_OPCODE_BUFFER_SIZE_CHANGED, 0, static_cast<intptr_t>(newBufferSize), nullptr, 0.0f);

  1962.         }

  1963.     }

  1964. 

  1965.     void sampleRateChanged(const double newSampleRate) override

  1966.     {

  1967.         CARLA_ASSERT_INT(newSampleRate > 0.0, newSampleRate);

  1968.         carla_debug("CarlaPluginNative::sampleRateChanged(%g)", newSampleRate);

  1969. 

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

  1971.         {

  1972.             fDescriptor->dispatcher(fHandle, NATIVE_PLUGIN_OPCODE_SAMPLE_RATE_CHANGED, 0, 0, nullptr, float(newSampleRate));

  1973. 

  1974.             if (fHandle2 != nullptr)

  1975.                 fDescriptor->dispatcher(fHandle2, NATIVE_PLUGIN_OPCODE_SAMPLE_RATE_CHANGED, 0, 0, nullptr, float(newSampleRate));

  1976.         }

  1977.     }

  1978. 

  1979.     void offlineModeChanged(const bool isOffline) override

  1980.     {

  1981.         if (fDescriptor != nullptr && fDescriptor->dispatcher != nullptr)

  1982.         {

  1983.             fDescriptor->dispatcher(fHandle, NATIVE_PLUGIN_OPCODE_OFFLINE_CHANGED, 0, isOffline ? 1 : 0, nullptr, 0.0f);

  1984. 

  1985.             if (fHandle2 != nullptr)

  1986.                 fDescriptor->dispatcher(fHandle2, NATIVE_PLUGIN_OPCODE_OFFLINE_CHANGED, 0, isOffline ? 1 : 0, nullptr, 0.0f);

  1987.         }

  1988.     }

  1989. 

  1990.     // -------------------------------------------------------------------

  1991.     // Plugin buffers

  1992. 

  1993.     void initBuffers() const noexcept override

  1994.     {

  1995.         fMidiIn.initBuffers();

  1996.         fMidiOut.initBuffers();

  1997. 

  1998.         CarlaPlugin::initBuffers();

  1999.     }

  2000. 

  2001.     void clearBuffers() noexcept override

  2002.     {

  2003.         carla_debug("CarlaPluginNative::clearBuffers() - start");

  2004. 

  2005.         if (fAudioInBuffers != nullptr)

  2006.         {

  2007.             for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2008.             {

  2009.                 if (fAudioInBuffers[i] != nullptr)

  2010.                 {

  2011.                     delete[] fAudioInBuffers[i];

  2012.                     fAudioInBuffers[i] = nullptr;

  2013.                 }

  2014.             }

  2015. 

  2016.             delete[] fAudioInBuffers;

  2017.             fAudioInBuffers = nullptr;

  2018.         }

  2019. 

  2020.         if (fAudioOutBuffers != nullptr)

  2021.         {

  2022.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2023.             {

  2024.                 if (fAudioOutBuffers[i] != nullptr)

  2025.                 {

  2026.                     delete[] fAudioOutBuffers[i];

  2027.                     fAudioOutBuffers[i] = nullptr;

  2028.                 }

  2029.             }

  2030. 

  2031.             delete[] fAudioOutBuffers;

  2032.             fAudioOutBuffers = nullptr;

  2033.         }

  2034. 

  2035.         fMidiIn.clear();

  2036.         fMidiOut.clear();

  2037. 

  2038.         CarlaPlugin::clearBuffers();

  2039. 

  2040.         carla_debug("CarlaPluginNative::clearBuffers() - end");

  2041.     }

  2042. 

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

  2044.     // Post-poned UI Stuff

  2045. 

  2046.     void uiParameterChange(const uint32_t index, const float value) noexcept override

  2047.     {

  2048.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  2049.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  2050.         CARLA_SAFE_ASSERT_RETURN(index < pData->param.count,);

  2051. 

  2052.         if (! fIsUiVisible)

  2053.             return;

  2054. 

  2055.         if (fDescriptor->ui_set_parameter_value != nullptr)

  2056.             fDescriptor->ui_set_parameter_value(fHandle, index, value);

  2057.     }

  2058. 

  2059.     void uiMidiProgramChange(const uint32_t index) noexcept override

  2060.     {

  2061.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  2062.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  2063.         CARLA_SAFE_ASSERT_RETURN(index < pData->midiprog.count,);

  2064. 

  2065.         if (! fIsUiVisible)

  2066.             return;

  2067.         if (index >= pData->midiprog.count)

  2068.             return;

  2069. 

  2070.         if (fDescriptor->ui_set_midi_program != nullptr)

  2071.             fDescriptor->ui_set_midi_program(fHandle, 0, pData->midiprog.data[index].bank, pData->midiprog.data[index].program);

  2072.     }

  2073. 

  2074.     void uiNoteOn(const uint8_t channel, const uint8_t note, const uint8_t velo) noexcept override

  2075.     {

  2076.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  2077.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  2078.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2079.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2080.         CARLA_SAFE_ASSERT_RETURN(velo > 0 && velo < MAX_MIDI_VALUE,);

  2081. 

  2082.         if (! fIsUiVisible)

  2083.             return;

  2084. 

  2085.         // TODO

  2086.     }

  2087. 

  2088.     void uiNoteOff(const uint8_t channel, const uint8_t note) noexcept override

  2089.     {

  2090.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  2091.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  2092.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2093.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2094. 

  2095.         if (! fIsUiVisible)

  2096.             return;

  2097.         if (fDescriptor == nullptr || fHandle == nullptr)

  2098.             return;

  2099. 

  2100.         // TODO

  2101.     }

  2102. 

  2103.     // -------------------------------------------------------------------

  2104. 

  2105. protected:

  2106.     uint32_t handleGetBufferSize() const noexcept

  2107.     {

  2108.         return pData->engine->getBufferSize();

  2109.     }

  2110. 

  2111.     double handleGetSampleRate() const noexcept

  2112.     {

  2113.         return pData->engine->getSampleRate();

  2114.     }

  2115. 

  2116.     bool handleIsOffline() const noexcept

  2117.     {

  2118.         return pData->engine->isOffline();

  2119.     }

  2120. 

  2121.     const NativeTimeInfo* handleGetTimeInfo() const noexcept

  2122.     {

  2123.         CARLA_SAFE_ASSERT_RETURN(fIsProcessing, nullptr);

  2124. 

  2125.         return &fTimeInfo;

  2126.     }

  2127. 

  2128.     bool handleWriteMidiEvent(const NativeMidiEvent* const event)

  2129.     {

  2130.         CARLA_ASSERT(pData->enabled);

  2131.         CARLA_ASSERT(fIsProcessing);

  2132.         CARLA_ASSERT(fMidiOut.count > 0 || pData->event.portOut != nullptr);

  2133.         CARLA_ASSERT(event != nullptr);

  2134.         CARLA_ASSERT(event->data[0] != 0);

  2135. 

  2136.         if (! pData->enabled)

  2137.             return false;

  2138.         if (fMidiOut.count == 0)

  2139.             return false;

  2140.         if (event == nullptr)

  2141.             return false;

  2142.         if (event->data[0] == 0)

  2143.             return false;

  2144.         if (! fIsProcessing)

  2145.         {

  2146.             carla_stderr2("CarlaPluginNative::handleWriteMidiEvent(%p) - received MIDI out event outside audio thread, ignoring", event);

  2147.             return false;

  2148.         }

  2149. 

  2150.         // reverse-find first free event, and put it there

  2151.         for (uint32_t i=(kPluginMaxMidiEvents*2)-1; i > fMidiEventCount; --i)

  2152.         {

  2153.             if (fMidiEvents[i].data[0] == 0)

  2154.             {

  2155.                 std::memcpy(&fMidiEvents[i], event, sizeof(NativeMidiEvent));

  2156.                 return true;

  2157.             }

  2158.         }

  2159. 

  2160.         return false;

  2161.     }

  2162. 

  2163.     void handleUiParameterChanged(const uint32_t index, const float value)

  2164.     {

  2165.         setParameterValue(index, value, false, true, true);

  2166.     }

  2167. 

  2168.     void handleUiCustomDataChanged(const char* const key, const char* const value)

  2169.     {

  2170.         setCustomData(CUSTOM_DATA_TYPE_STRING, key, value, false);

  2171.     }

  2172. 

  2173.     void handleUiClosed()

  2174.     {

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

  2176.         fIsUiVisible = false;

  2177.     }

  2178. 

  2179.     const char* handleUiOpenFile(const bool isDir, const char* const title, const char* const filter)

  2180.     {

  2181.         return pData->engine->runFileCallback(FILE_CALLBACK_OPEN, isDir, title, filter);

  2182.     }

  2183. 

  2184.     const char* handleUiSaveFile(const bool isDir, const char* const title, const char* const filter)

  2185.     {

  2186.         return pData->engine->runFileCallback(FILE_CALLBACK_SAVE, isDir, title, filter);

  2187.     }

  2188. 

  2189.     intptr_t handleDispatcher(const NativeHostDispatcherOpcode opcode, const int32_t index, const intptr_t value, void* const ptr, const float opt)

  2190.     {

  2191.         carla_debug("CarlaPluginNative::handleDispatcher(%i, %i, " P_INTPTR ", %p, %f)", opcode, index, value, ptr, opt);

  2192. 

  2193.         intptr_t ret = 0;

  2194. 

  2195.         switch (opcode)

  2196.         {

  2197.         case NATIVE_HOST_OPCODE_NULL:

  2198.             break;

  2199.         case NATIVE_HOST_OPCODE_UPDATE_PARAMETER:

  2200.             // TODO

  2201.             pData->engine->callback(ENGINE_CALLBACK_UPDATE, pData->id, -1, 0, 0.0f, nullptr);

  2202.             break;

  2203.         case NATIVE_HOST_OPCODE_UPDATE_MIDI_PROGRAM:

  2204.             // TODO

  2205.             pData->engine->callback(ENGINE_CALLBACK_UPDATE, pData->id, -1, 0, 0.0f, nullptr);

  2206.             break;

  2207.         case NATIVE_HOST_OPCODE_RELOAD_PARAMETERS:

  2208.             reload(); // FIXME

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

  2210.             break;

  2211.         case NATIVE_HOST_OPCODE_RELOAD_MIDI_PROGRAMS:

  2212.             reloadPrograms(false);

  2213.             pData->engine->callback(ENGINE_CALLBACK_RELOAD_PROGRAMS, pData->id, -1, 0, 0.0f, nullptr);

  2214.             break;

  2215.         case NATIVE_HOST_OPCODE_RELOAD_ALL:

  2216.             reload();

  2217.             pData->engine->callback(ENGINE_CALLBACK_RELOAD_ALL, pData->id, -1, 0, 0.0f, nullptr);

  2218.             break;

  2219.         case NATIVE_HOST_OPCODE_UI_UNAVAILABLE:

  2220.             pData->engine->callback(ENGINE_CALLBACK_UI_STATE_CHANGED, pData->id, -1, 0, 0.0f, nullptr);

  2221.             fIsUiVisible = false;

  2222.             break;

  2223.         }

  2224. 

  2225.         return ret;

  2226. 

  2227.         // unused for now

  2228.         (void)index;

  2229.         (void)value;

  2230.         (void)ptr;

  2231.         (void)opt;

  2232.     }

  2233. 

  2234.     // -------------------------------------------------------------------

  2235. 

  2236. public:

  2237.     void* getNativeHandle() const noexcept override

  2238.     {

  2239.         return fHandle;

  2240.     }

  2241. 

  2242.     const void* getNativeDescriptor() const noexcept override

  2243.     {

  2244.         return fDescriptor;

  2245.     }

  2246. 

  2247.     // -------------------------------------------------------------------

  2248. 

  2249.     bool init(const char* const name, const char* const label)

  2250.     {

  2251.         CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr, false);

  2252. 

  2253.         // ---------------------------------------------------------------

  2254.         // first checks

  2255. 

  2256.         if (pData->client != nullptr)

  2257.         {

  2258.             pData->engine->setLastError("Plugin client is already registered");

  2259.             return false;

  2260.         }

  2261. 

  2262.         if (label == nullptr && label[0] != '\0')

  2263.         {

  2264.             pData->engine->setLastError("null label");

  2265.             return false;

  2266.         }

  2267. 

  2268.         // ---------------------------------------------------------------

  2269.         // get descriptor that matches label

  2270. 

  2271.         for (LinkedList<const NativePluginDescriptor*>::Itenerator it = gPluginDescriptors.begin(); it.valid(); it.next())

  2272.         {

  2273.             fDescriptor = it.getValue();

  2274. 

  2275.             CARLA_SAFE_ASSERT_BREAK(fDescriptor != nullptr);

  2276. 

  2277.             carla_debug("Check vs \"%s\"", fDescriptor->label);

  2278. 

  2279.             if (fDescriptor->label != nullptr && std::strcmp(fDescriptor->label, label) == 0)

  2280.                 break;

  2281. 

  2282.             fDescriptor = nullptr;

  2283.         }

  2284. 

  2285.         if (fDescriptor == nullptr)

  2286.         {

  2287.             pData->engine->setLastError("Invalid internal plugin");

  2288.             return false;

  2289.         }

  2290. 

  2291.         // ---------------------------------------------------------------

  2292.         // set icon

  2293. 

  2294.         if (std::strcmp(fDescriptor->label, "audiofile") == 0)

  2295.             pData->iconName = carla_strdup_safe("file");

  2296.         else if (std::strcmp(fDescriptor->label, "midifile") == 0)

  2297.             pData->iconName = carla_strdup_safe("file");

  2298. 

  2299.         // ---------------------------------------------------------------

  2300.         // get info

  2301. 

  2302.         if (name != nullptr && name[0] != '\0')

  2303.             pData->name = pData->engine->getUniquePluginName(name);

  2304.         else if (fDescriptor->name != nullptr && fDescriptor->name[0] != '\0')

  2305.             pData->name = pData->engine->getUniquePluginName(fDescriptor->name);

  2306.         else

  2307.             pData->name = pData->engine->getUniquePluginName(label);

  2308. 

  2309.         {

  2310.             CARLA_ASSERT(fHost.uiName == nullptr);

  2311. 

  2312.             char uiName[std::strlen(pData->name)+6+1];

  2313.             std::strcpy(uiName, pData->name);

  2314.             std::strcat(uiName, " (GUI)");

  2315. 

  2316.             fHost.uiName = carla_strdup(uiName);

  2317.         }

  2318. 

  2319.         // ---------------------------------------------------------------

  2320.         // register client

  2321. 

  2322.         pData->client = pData->engine->addClient(this);

  2323. 

  2324.         if (pData->client == nullptr || ! pData->client->isOk())

  2325.         {

  2326.             pData->engine->setLastError("Failed to register plugin client");

  2327.             return false;

  2328.         }

  2329. 

  2330.         // ---------------------------------------------------------------

  2331.         // initialize plugin

  2332. 

  2333.         fHandle = fDescriptor->instantiate(&fHost);

  2334. 

  2335.         if (fHandle == nullptr)

  2336.         {

  2337.             pData->engine->setLastError("Plugin failed to initialize");

  2338.             return false;

  2339.         }

  2340. 

  2341.         // ---------------------------------------------------------------

  2342.         // set default options

  2343. 

  2344.         const bool hasMidiProgs(fDescriptor->get_midi_program_count != nullptr && fDescriptor->get_midi_program_count(fHandle) > 0);

  2345. 

  2346.         pData->options = 0x0;

  2347. 

  2348.         if (hasMidiProgs && (fDescriptor->supports & NATIVE_PLUGIN_SUPPORTS_PROGRAM_CHANGES) == 0)

  2349.             pData->options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  2350. 

  2351.         if (getMidiInCount() > 0 || (fDescriptor->hints & NATIVE_PLUGIN_NEEDS_FIXED_BUFFERS) != 0)

  2352.             pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;

  2353. 

  2354.         if (pData->engine->getOptions().forceStereo)

  2355.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  2356. 

  2357.         if (fDescriptor->supports & NATIVE_PLUGIN_SUPPORTS_CHANNEL_PRESSURE)

  2358.             pData->options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  2359.         if (fDescriptor->supports & NATIVE_PLUGIN_SUPPORTS_NOTE_AFTERTOUCH)

  2360.             pData->options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  2361.         if (fDescriptor->supports & NATIVE_PLUGIN_SUPPORTS_PITCHBEND)

  2362.             pData->options |= PLUGIN_OPTION_SEND_PITCHBEND;

  2363.         if (fDescriptor->supports & NATIVE_PLUGIN_SUPPORTS_ALL_SOUND_OFF)

  2364.             pData->options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  2365. 

  2366.         return true;

  2367.     }

  2368. 

  2369. 

  2370. private:

  2371.     NativePluginHandle   fHandle;

  2372.     NativePluginHandle   fHandle2;

  2373.     NativeHostDescriptor fHost;

  2374.     const NativePluginDescriptor* fDescriptor;

  2375. 

  2376.     bool fIsProcessing;

  2377.     bool fIsUiVisible;

  2378. 

  2379.     float**         fAudioInBuffers;

  2380.     float**         fAudioOutBuffers;

  2381.     uint32_t        fMidiEventCount;

  2382.     NativeMidiEvent fMidiEvents[kPluginMaxMidiEvents*2];

  2383. 

  2384.     int32_t fCurMidiProgs[MAX_MIDI_CHANNELS];

  2385. 

  2386.     NativePluginMidiData fMidiIn;

  2387.     NativePluginMidiData fMidiOut;

  2388. 

  2389.     NativeTimeInfo fTimeInfo;

  2390. 

  2391.     // -------------------------------------------------------------------

  2392. 

  2393.     #define handlePtr ((CarlaPluginNative*)handle)

  2394. 

  2395.     static uint32_t carla_host_get_buffer_size(NativeHostHandle handle) noexcept

  2396.     {

  2397.         return handlePtr->handleGetBufferSize();

  2398.     }

  2399. 

  2400.     static double carla_host_get_sample_rate(NativeHostHandle handle) noexcept

  2401.     {

  2402.         return handlePtr->handleGetSampleRate();

  2403.     }

  2404. 

  2405.     static bool carla_host_is_offline(NativeHostHandle handle) noexcept

  2406.     {

  2407.         return handlePtr->handleIsOffline();

  2408.     }

  2409. 

  2410.     static const NativeTimeInfo* carla_host_get_time_info(NativeHostHandle handle) noexcept

  2411.     {

  2412.         return handlePtr->handleGetTimeInfo();

  2413.     }

  2414. 

  2415.     static bool carla_host_write_midi_event(NativeHostHandle handle, const NativeMidiEvent* event)

  2416.     {

  2417.         return handlePtr->handleWriteMidiEvent(event);

  2418.     }

  2419. 

  2420.     static void carla_host_ui_parameter_changed(NativeHostHandle handle, uint32_t index, float value)

  2421.     {

  2422.         handlePtr->handleUiParameterChanged(index, value);

  2423.     }

  2424. 

  2425.     static void carla_host_ui_custom_data_changed(NativeHostHandle handle, const char* key, const char* value)

  2426.     {

  2427.         handlePtr->handleUiCustomDataChanged(key, value);

  2428.     }

  2429. 

  2430.     static void carla_host_ui_closed(NativeHostHandle handle)

  2431.     {

  2432.         handlePtr->handleUiClosed();

  2433.     }

  2434. 

  2435.     static const char* carla_host_ui_open_file(NativeHostHandle handle, bool isDir, const char* title, const char* filter)

  2436.     {

  2437.         return handlePtr->handleUiOpenFile(isDir, title, filter);

  2438.     }

  2439. 

  2440.     static const char* carla_host_ui_save_file(NativeHostHandle handle, bool isDir, const char* title, const char* filter)

  2441.     {

  2442.         return handlePtr->handleUiSaveFile(isDir, title, filter);

  2443.     }

  2444. 

  2445.     static intptr_t carla_host_dispatcher(NativeHostHandle handle, NativeHostDispatcherOpcode opcode, int32_t index, intptr_t value, void* ptr, float opt)

  2446.     {

  2447.         return handlePtr->handleDispatcher(opcode, index, value, ptr, opt);

  2448.     }

  2449. 

  2450.     #undef handlePtr

  2451. 

  2452.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaPluginNative)

  2453. };

  2454. 

  2455. // -----------------------------------------------------------------------

  2456. 

  2457. CarlaPlugin* CarlaPlugin::newNative(const Initializer& init)

  2458. {

  2459.     carla_debug("CarlaPlugin::newNative({%p, \"%s\", \"%s\", \"%s\", " P_INT64 "})", init.engine, init.filename, init.name, init.label, init.uniqueId);

  2460. 

  2461.     CarlaPluginNative* const plugin(new CarlaPluginNative(init.engine, init.id));

  2462. 

  2463.     if (! plugin->init(init.name, init.label))

  2464.     {

  2465.         delete plugin;

  2466.         return nullptr;

  2467.     }

  2468. 

  2469.     plugin->reload();

  2470. 

  2471.     bool canRun = true;

  2472. 

  2473.     if (init.engine->getProccessMode() == ENGINE_PROCESS_MODE_CONTINUOUS_RACK)

  2474.     {

  2475.         if (! plugin->canRunInRack())

  2476.         {

  2477.             init.engine->setLastError("Carla's rack mode can only work with Mono or Stereo Internal plugins, sorry!");

  2478.             canRun = false;

  2479.         }

  2480.         else if (plugin->getCVInCount() > 0 || plugin->getCVInCount() > 0)

  2481.         {

  2482.             init.engine->setLastError("Carla's rack mode cannot work with plugins that have CV ports, sorry!");

  2483.             canRun = false;

  2484.         }

  2485.     }

  2486.     else if (init.engine->getProccessMode() == ENGINE_PROCESS_MODE_PATCHBAY && (plugin->getCVInCount() > 0 || plugin->getCVInCount() > 0))

  2487.     {

  2488.         init.engine->setLastError("CV ports in patchbay mode is still TODO");

  2489.         canRun = false;

  2490.     }

  2491. 

  2492.     if (! canRun)

  2493.     {

  2494.         delete plugin;

  2495.         return nullptr;

  2496.     }

  2497. 

  2498.     return plugin;

  2499. }

  2500. 

  2501. // -----------------------------------------------------------------------

  2502. 

  2503. CARLA_BACKEND_END_NAMESPACE