falkTX
/
Carla
mirror of https://github.com/falkTX/Carla
1
0
Fork 0
Code Releases 42 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.
1968 Commits
16 Branches
141MB
Tree: 2cb7821f4c
Branches Tags
${ item.name }
Create branch ${ searchTerm }
from '2cb7821f4c'
${ noResults }
Carla/source/backend/plugin/NativePlugin.cpp

2511 lines
88KB
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. #ifdef WANT_NATIVE

  22. 

  23. #include "CarlaMathUtils.hpp"

  24. #include "CarlaNative.h"

  25. 

  26. // FIXME

  27. #include <QtCore/QStringList>

  28. 

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

  30. 

  31. static LinkedList<const NativePluginDescriptor*> gPluginDescriptors;

  32. 

  33. void carla_register_native_plugin(const NativePluginDescriptor* desc)

  34. {

  35.     gPluginDescriptors.append(desc);

  36. }

  37. 

  38. // -----------------------------------------------------

  39. 

  40. CARLA_BACKEND_START_NAMESPACE

  41. 

  42. #if 0

  43. }

  44. #endif

  45. 

  46. struct NativePluginMidiData {

  47.     uint32_t  count;

  48.     uint32_t* indexes;

  49.     CarlaEngineEventPort** ports;

  50. 

  51.     NativePluginMidiData() noexcept

  52.         : count(0),

  53.           indexes(nullptr),

  54.           ports(nullptr) {}

  55. 

  56.     ~NativePluginMidiData() noexcept

  57.     {

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

  59.         CARLA_SAFE_ASSERT(indexes == nullptr);

  60.         CARLA_SAFE_ASSERT(ports == nullptr);

  61.     }

  62. 

  63.     void createNew(const uint32_t newCount)

  64.     {

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

  66.         CARLA_SAFE_ASSERT_RETURN(indexes == nullptr,);

  67.         CARLA_SAFE_ASSERT_RETURN(ports == nullptr,);

  68.         CARLA_SAFE_ASSERT_RETURN(newCount > 0,);

  69. 

  70.         indexes = new uint32_t[newCount];

  71.         ports   = new CarlaEngineEventPort*[newCount];

  72.         count   = newCount;

  73. 

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

  75.             indexes[i] = 0;

  76. 

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

  78.             ports[i] = nullptr;

  79.     }

  80. 

  81.     void clear() noexcept

  82.     {

  83.         if (ports != nullptr)

  84.         {

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

  86.             {

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

  88.                 {

  89.                     delete ports[i];

  90.                     ports[i] = nullptr;

  91.                 }

  92.             }

  93. 

  94.             delete[] ports;

  95.             ports = nullptr;

  96.         }

  97. 

  98.         if (indexes != nullptr)

  99.         {

  100.             delete[] indexes;

  101.             indexes = nullptr;

  102.         }

  103. 

  104.         count = 0;

  105.     }

  106. 

  107.     void initBuffers() const noexcept

  108.     {

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

  110.         {

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

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

  113.         }

  114.     }

  115. 

  116.     CARLA_DECLARE_NON_COPY_STRUCT(NativePluginMidiData)

  117. };

  118. 

  119. // -----------------------------------------------------

  120. 

  121. static const

  122. struct ScopedInitializer {

  123.     ScopedInitializer()

  124.     {

  125.         carla_register_all_plugins();

  126.     }

  127. 

  128.     ~ScopedInitializer()

  129.     {

  130.         gPluginDescriptors.clear();

  131.     }

  132. } _si;

  133. 

  134. // -----------------------------------------------------

  135. 

  136. class NativePlugin : public CarlaPlugin

  137. {

  138. public:

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

  140.         : CarlaPlugin(engine, id),

  141.           fHandle(nullptr),

  142.           fHandle2(nullptr),

  143.           fDescriptor(nullptr),

  144.           fIsProcessing(false),

  145.           fIsUiVisible(false),

  146.           fAudioInBuffers(nullptr),

  147.           fAudioOutBuffers(nullptr),

  148.           fMidiEventCount(0)

  149.     {

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

  151. 

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

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

  154.         carla_zeroStruct<NativeTimeInfo>(fTimeInfo);

  155. 

  156.         fHost.handle      = this;

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

  158.         fHost.uiName      = nullptr;

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

  160. 

  161.         fHost.get_buffer_size        = carla_host_get_buffer_size;

  162.         fHost.get_sample_rate        = carla_host_get_sample_rate;

  163.         fHost.is_offline             = carla_host_is_offline;

  164.         fHost.get_time_info          = carla_host_get_time_info;

  165.         fHost.write_midi_event       = carla_host_write_midi_event;

  166.         fHost.ui_parameter_changed   = carla_host_ui_parameter_changed;

  167.         fHost.ui_custom_data_changed = carla_host_ui_custom_data_changed;

  168.         fHost.ui_closed              = carla_host_ui_closed;

  169.         fHost.ui_open_file           = carla_host_ui_open_file;

  170.         fHost.ui_save_file           = carla_host_ui_save_file;

  171.         fHost.dispatcher             = carla_host_dispatcher;

  172.     }

  173. 

  174.     ~NativePlugin() override

  175.     {

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

  177. 

  178.         // close UI

  179.         if (pData->hints & PLUGIN_HAS_CUSTOM_UI)

  180.         {

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

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

  183. 

  184.             pData->transientTryCounter = 0;

  185.         }

  186. 

  187.         pData->singleMutex.lock();

  188.         pData->masterMutex.lock();

  189. 

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

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

  192. 

  193.         CARLA_ASSERT(! fIsProcessing);

  194. 

  195.         if (pData->active)

  196.         {

  197.             deactivate();

  198.             pData->active = false;

  199.         }

  200. 

  201.         if (fDescriptor != nullptr)

  202.         {

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

  204.             {

  205.                 if (fHandle != nullptr)

  206.                     fDescriptor->cleanup(fHandle);

  207.                 if (fHandle2 != nullptr)

  208.                     fDescriptor->cleanup(fHandle2);

  209.             }

  210. 

  211.             fHandle  = nullptr;

  212.             fHandle2 = nullptr;

  213.             fDescriptor = nullptr;

  214.         }

  215. 

  216.         if (fHost.resourceDir != nullptr)

  217.         {

  218.             delete[] fHost.resourceDir;

  219.             fHost.resourceDir = nullptr;

  220.         }

  221. 

  222.         if (fHost.uiName != nullptr)

  223.         {

  224.             delete[] fHost.uiName;

  225.             fHost.uiName = nullptr;

  226.         }

  227. 

  228.         clearBuffers();

  229.     }

  230. 

  231.     // -------------------------------------------------------------------

  232.     // Information (base)

  233. 

  234.     PluginType getType() const noexcept override

  235.     {

  236.         return PLUGIN_INTERNAL;

  237.     }

  238. 

  239.     PluginCategory getCategory() const noexcept override

  240.     {

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

  242. 

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

  244.     }

  245. 

  246.     // -------------------------------------------------------------------

  247.     // Information (count)

  248. 

  249.     uint32_t getMidiInCount() const noexcept override

  250.     {

  251.         return fMidiIn.count;

  252.     }

  253. 

  254.     uint32_t getMidiOutCount() const noexcept override

  255.     {

  256.         return fMidiOut.count;

  257.     }

  258. 

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

  260.     {

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

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

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

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

  265. 

  266.         // FIXME - try

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

  268.             return param->scalePointCount;

  269. 

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

  271.         return 0;

  272.     }

  273. 

  274.     // -------------------------------------------------------------------

  275.     // Information (current data)

  276. 

  277.     // nothing

  278. 

  279.     // -------------------------------------------------------------------

  280.     // Information (per-plugin data)

  281. 

  282.     uint getOptionsAvailable() const noexcept override

  283.     {

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

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

  286. 

  287.         // FIXME - try

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

  289. 

  290.         uint options = 0x0;

  291. 

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

  293.             options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  294. 

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

  296.             options |= PLUGIN_OPTION_FIXED_BUFFERS;

  297. 

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

  299.         {

  300.             if (pData->options & PLUGIN_OPTION_FORCE_STEREO)

  301.                 options |= PLUGIN_OPTION_FORCE_STEREO;

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

  303.                 options |= PLUGIN_OPTION_FORCE_STEREO;

  304.         }

  305. 

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

  307.             options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

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

  309.             options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

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

  311.             options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

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

  313.             options |= PLUGIN_OPTION_SEND_PITCHBEND;

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

  315.             options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  316. 

  317.         return options;

  318.     }

  319. 

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

  321.     {

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

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

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

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

  326. 

  327.         // FIXME - try

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

  329.     }

  330. 

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

  332.     {

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

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

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

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

  337. 

  338.         // FIXME - try

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

  340.         {

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

  342. 

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

  344.             return scalePoint->value;

  345.         }

  346. 

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

  348.         return 0.0f;

  349.     }

  350. 

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

  352.     {

  353.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  354. 

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

  356.         {

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

  358.             return;

  359.         }

  360. 

  361.         CarlaPlugin::getLabel(strBuf);

  362.     }

  363. 

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

  365.     {

  366.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  367. 

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

  369.         {

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

  371.             return;

  372.         }

  373. 

  374.         CarlaPlugin::getMaker(strBuf);

  375.     }

  376. 

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

  378.     {

  379.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  380. 

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

  382.         {

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

  384.             return;

  385.         }

  386. 

  387.         CarlaPlugin::getCopyright(strBuf);

  388.     }

  389. 

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

  391.     {

  392.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  393. 

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

  395.         {

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

  397.             return;

  398.         }

  399. 

  400.         CarlaPlugin::getRealName(strBuf);

  401.     }

  402. 

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

  404.     {

  405.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

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

  407.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  409. 

  410.         // FIXME - try

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

  412.         {

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

  414.             {

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

  416.                 return;

  417.             }

  418. 

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

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

  421.         }

  422. 

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

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

  425.     }

  426. 

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

  428.     {

  429.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

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

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

  432.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  434. 

  435.         // FIXME - try

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

  437.         {

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

  439.             return;

  440.         }

  441. 

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

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

  444.     }

  445. 

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

  447.     {

  448.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

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

  450.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  452. 

  453.         // FIXME - try

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

  455.         {

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

  457.             {

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

  459.                 return;

  460.             }

  461. 

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

  463.         }

  464. 

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

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

  467.     }

  468. 

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

  470.     {

  471.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

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

  473.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  475. 

  476.         // FIXME - try

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

  478.         {

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

  480. 

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

  482. 

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

  484.             {

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

  486.                 return;

  487.             }

  488. 

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

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

  491.         }

  492. 

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

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

  495.     }

  496. 

  497.     // -------------------------------------------------------------------

  498.     // Set data (state)

  499. 

  500.     void prepareForSave() override

  501.     {

  502.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  503.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  504. 

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

  506.         {

  507.             char strBuf[STR_MAX+1];

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

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

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

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

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

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

  514. 

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

  516.         }

  517. 

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

  519.             return;

  520. 

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

  522.         {

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

  524.             std::free(data);

  525.         }

  526.     }

  527. 

  528.     // -------------------------------------------------------------------

  529.     // Set data (internal stuff)

  530. 

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

  532.     {

  533.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  534.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  536. 

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

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

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

  540. 

  541.         if (fHost.uiName != nullptr)

  542.             delete[] fHost.uiName;

  543.         fHost.uiName = carla_strdup(uiName);

  544. 

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

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

  547. 

  548.         CarlaPlugin::setName(newName);

  549.     }

  550. 

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

  552.     {

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

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

  555. 

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

  557.     }

  558. 

  559.     // -------------------------------------------------------------------

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

  561. 

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

  563.     {

  564.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

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

  566.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  568. 

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

  570. 

  571.         // FIXME - try

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

  573. 

  574.         if (fHandle2 != nullptr)

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

  576. 

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

  578.     }

  579. 

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

  581.     {

  582.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  583.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

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

  586.         CARLA_SAFE_ASSERT_RETURN(value != nullptr,);

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

  588. 

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

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

  591. 

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

  593.         {

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

  595.             {

  596.                 const ScopedSingleProcessLocker spl(this, true);

  597. 

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

  599. 

  600.                 if (fHandle2 != nullptr)

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

  602.             }

  603.         }

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

  605.         {

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

  607. 

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

  609.             {

  610.                 uint8_t channel = 0;

  611.                 foreach (const QString& midiProg, midiProgramList)

  612.                 {

  613.                     bool ok;

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

  615. 

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

  617.                     {

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

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

  620. 

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

  622. 

  623.                         if (fHandle2 != nullptr)

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

  625. 

  626.                         fCurMidiProgs[channel] = index;

  627. 

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

  629.                         {

  630.                             pData->midiprog.current = index;

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

  632.                         }

  633.                     }

  634. 

  635.                     ++channel;

  636.                 }

  637.             }

  638.         }

  639.         else

  640.         {

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

  642.             {

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

  644. 

  645.                 if (fHandle2 != nullptr)

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

  647.             }

  648. 

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

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

  651.         }

  652. 

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

  654.     }

  655. 

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

  657.     {

  658.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  659.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  661. 

  662.         // TODO, put into check below

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

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

  665. 

  666.         if (index >= 0)

  667.         {

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

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

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

  671. 

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

  673. 

  674.             try {

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

  676.             } catch(...) {}

  677. 

  678.             if (fHandle2 != nullptr)

  679.             {

  680.                 try {

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

  682.                 } catch(...) {}

  683.             }

  684. 

  685.             fCurMidiProgs[channel] = index;

  686.         }

  687. 

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

  689.     }

  690. 

  691.     // -------------------------------------------------------------------

  692.     // Set ui stuff

  693. 

  694.     void showCustomUI(const bool yesNo) override

  695.     {

  696.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  697.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  698. 

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

  700.             return;

  701. 

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

  703. 

  704.         if (fIsUiVisible == yesNo)

  705.             return;

  706. 

  707.         fIsUiVisible = yesNo;

  708. 

  709.         if (! yesNo)

  710.         {

  711.             pData->transientTryCounter = 0;

  712.             return;

  713.         }

  714. 

  715. #ifndef BUILD_BRIDGE

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

  717.             pData->tryTransient();

  718. #endif

  719. 

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

  721.         {

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

  723.             {

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

  725. 

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

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

  728.             }

  729.         }

  730. 

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

  732.         {

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

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

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

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

  737. 

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

  739.         }

  740. 

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

  742.         {

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

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

  745.         }

  746.     }

  747. 

  748.     void idle() override

  749.     {

  750.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  751.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  752. 

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

  754.             fDescriptor->ui_idle(fHandle);

  755. 

  756.         CarlaPlugin::idle();

  757.     }

  758. 

  759.     // -------------------------------------------------------------------

  760.     // Plugin state

  761. 

  762.     void reload() override

  763.     {

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

  765.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  766.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  768. 

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

  770. 

  771.         // Safely disable plugin for reload

  772.         const ScopedDisabler sd(this);

  773. 

  774.         if (pData->active)

  775.             deactivate();

  776. 

  777.         clearBuffers();

  778. 

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

  780. 

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

  782. 

  783.         bool forcedStereoIn, forcedStereoOut;

  784.         forcedStereoIn = forcedStereoOut = false;

  785. 

  786.         bool needsCtrlIn, needsCtrlOut;

  787.         needsCtrlIn = needsCtrlOut = false;

  788. 

  789.         aIns   = fDescriptor->audioIns;

  790.         aOuts  = fDescriptor->audioOuts;

  791.         mIns   = fDescriptor->midiIns;

  792.         mOuts  = fDescriptor->midiOuts;

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

  794. 

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

  796.         {

  797.             if (fHandle2 == nullptr)

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

  799. 

  800.             if (fHandle2 != nullptr)

  801.             {

  802.                 if (aIns == 1)

  803.                 {

  804.                     aIns = 2;

  805.                     forcedStereoIn = true;

  806.                 }

  807. 

  808.                 if (aOuts == 1)

  809.                 {

  810.                     aOuts = 2;

  811.                     forcedStereoOut = true;

  812.                 }

  813.             }

  814.         }

  815. 

  816.         if (aIns > 0)

  817.         {

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

  819.             fAudioInBuffers = new float*[aIns];

  820. 

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

  822.                 fAudioInBuffers[i] = nullptr;

  823.         }

  824. 

  825.         if (aOuts > 0)

  826.         {

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

  828.             fAudioOutBuffers = new float*[aOuts];

  829.             needsCtrlIn = true;

  830. 

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

  832.                 fAudioOutBuffers[i] = nullptr;

  833.         }

  834. 

  835.         if (mIns > 0)

  836.         {

  837.             fMidiIn.createNew(mIns);

  838.             needsCtrlIn = (mIns == 1);

  839.         }

  840. 

  841.         if (mOuts > 0)

  842.         {

  843.             fMidiOut.createNew(mOuts);

  844.             needsCtrlOut = (mOuts == 1);

  845.         }

  846. 

  847.         if (params > 0)

  848.         {

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

  850.         }

  851. 

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

  853.         CarlaString portName;

  854. 

  855.         // Audio Ins

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

  857.         {

  858.             portName.clear();

  859. 

  860.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  861.             {

  862.                 portName  = pData->name;

  863.                 portName += ":";

  864.             }

  865. 

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

  867.             {

  868.                 portName += "input_";

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

  870.             }

  871.             else

  872.                 portName += "input";

  873. 

  874.             portName.truncate(portNameSize);

  875. 

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

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

  878. 

  879.             if (forcedStereoIn)

  880.             {

  881.                 portName += "_2";

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

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

  884.                 break;

  885.             }

  886.         }

  887. 

  888.         // Audio Outs

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

  890.         {

  891.             portName.clear();

  892. 

  893.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  894.             {

  895.                 portName  = pData->name;

  896.                 portName += ":";

  897.             }

  898. 

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

  900.             {

  901.                 portName += "output_";

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

  903.             }

  904.             else

  905.                 portName += "output";

  906. 

  907.             portName.truncate(portNameSize);

  908. 

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

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

  911. 

  912.             if (forcedStereoOut)

  913.             {

  914.                 portName += "_2";

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

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

  917.                 break;

  918.             }

  919.         }

  920. 

  921.         // MIDI Input (only if multiple)

  922.         if (mIns > 1)

  923.         {

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

  925.             {

  926.                 portName.clear();

  927. 

  928.                 if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  929.                 {

  930.                     portName  = pData->name;

  931.                     portName += ":";

  932.                 }

  933. 

  934.                 portName += "midi-in_";

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

  936.                 portName.truncate(portNameSize);

  937. 

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

  939.                 fMidiIn.indexes[j] = j;

  940.             }

  941.         }

  942. 

  943.         // MIDI Output (only if multiple)

  944.         if (mOuts > 1)

  945.         {

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

  947.             {

  948.                 portName.clear();

  949. 

  950.                 if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  951.                 {

  952.                     portName  = pData->name;

  953.                     portName += ":";

  954.                 }

  955. 

  956.                 portName += "midi-out_";

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

  958.                 portName.truncate(portNameSize);

  959. 

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

  961.                 fMidiOut.indexes[j] = j;

  962.             }

  963.         }

  964. 

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

  966.         {

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

  968. 

  969.             CARLA_SAFE_ASSERT_CONTINUE(paramInfo != nullptr);

  970. 

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

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

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

  974. 

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

  976. 

  977.             // min value

  978.             min = paramInfo->ranges.min;

  979. 

  980.             // max value

  981.             max = paramInfo->ranges.max;

  982. 

  983.             if (min > max)

  984.                 max = min;

  985.             else if (max < min)

  986.                 min = max;

  987. 

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

  989.             {

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

  991.                 max = min + 0.1f;

  992.             }

  993. 

  994.             // default value

  995.             def = paramInfo->ranges.def;

  996. 

  997.             if (def < min)

  998.                 def = min;

  999.             else if (def > max)

  1000.                 def = max;

  1001. 

  1002.             if (paramInfo->hints & ::PARAMETER_USES_SAMPLE_RATE)

  1003.             {

  1004.                 min *= sampleRate;

  1005.                 max *= sampleRate;

  1006.                 def *= sampleRate;

  1007.                 pData->param.data[j].hints |= PARAMETER_USES_SAMPLERATE;

  1008.             }

  1009. 

  1010.             if (paramInfo->hints & ::PARAMETER_IS_BOOLEAN)

  1011.             {

  1012.                 step = max - min;

  1013.                 stepSmall = step;

  1014.                 stepLarge = step;

  1015.                 pData->param.data[j].hints |= PARAMETER_IS_BOOLEAN;

  1016.             }

  1017.             else if (paramInfo->hints & ::PARAMETER_IS_INTEGER)

  1018.             {

  1019.                 step = 1.0f;

  1020.                 stepSmall = 1.0f;

  1021.                 stepLarge = 10.0f;

  1022.                 pData->param.data[j].hints |= PARAMETER_IS_INTEGER;

  1023.             }

  1024.             else

  1025.             {

  1026.                 float range = max - min;

  1027.                 step = range/100.0f;

  1028.                 stepSmall = range/1000.0f;

  1029.                 stepLarge = range/10.0f;

  1030.             }

  1031. 

  1032.             if (paramInfo->hints & ::PARAMETER_IS_OUTPUT)

  1033.             {

  1034.                 pData->param.data[j].type = PARAMETER_OUTPUT;

  1035.                 needsCtrlOut = true;

  1036.             }

  1037.             else

  1038.             {

  1039.                 pData->param.data[j].type = PARAMETER_INPUT;

  1040.                 needsCtrlIn = true;

  1041.             }

  1042. 

  1043.             // extra parameter hints

  1044.             if (paramInfo->hints & ::PARAMETER_IS_ENABLED)

  1045.                 pData->param.data[j].hints |= PARAMETER_IS_ENABLED;

  1046. 

  1047.             if (paramInfo->hints & ::PARAMETER_IS_AUTOMABLE)

  1048.                 pData->param.data[j].hints |= PARAMETER_IS_AUTOMABLE;

  1049. 

  1050.             if (paramInfo->hints & ::PARAMETER_IS_LOGARITHMIC)

  1051.                 pData->param.data[j].hints |= PARAMETER_IS_LOGARITHMIC;

  1052. 

  1053.             if (paramInfo->hints & ::PARAMETER_USES_SCALEPOINTS)

  1054.                 pData->param.data[j].hints |= PARAMETER_USES_SCALEPOINTS;

  1055. 

  1056.             if (paramInfo->hints & ::PARAMETER_USES_CUSTOM_TEXT)

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

  1058. 

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

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

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

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

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

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

  1065.         }

  1066. 

  1067.         if (needsCtrlIn)

  1068.         {

  1069.             portName.clear();

  1070. 

  1071.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1072.             {

  1073.                 portName  = pData->name;

  1074.                 portName += ":";

  1075.             }

  1076. 

  1077.             portName += "events-in";

  1078.             portName.truncate(portNameSize);

  1079. 

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

  1081.         }

  1082. 

  1083.         if (needsCtrlOut)

  1084.         {

  1085.             portName.clear();

  1086. 

  1087.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1088.             {

  1089.                 portName  = pData->name;

  1090.                 portName += ":";

  1091.             }

  1092. 

  1093.             portName += "events-out";

  1094.             portName.truncate(portNameSize);

  1095. 

  1096.             pData->event.portOut = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, false);

  1097.         }

  1098. 

  1099.         if (forcedStereoIn || forcedStereoOut)

  1100.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  1101.         else

  1102.             pData->options &= ~PLUGIN_OPTION_FORCE_STEREO;

  1103. 

  1104.         // plugin hints

  1105.         pData->hints = 0x0;

  1106. 

  1107.         if (aOuts > 0 && (aIns == aOuts || aIns == 1))

  1108.             pData->hints |= PLUGIN_CAN_DRYWET;

  1109. 

  1110.         if (aOuts > 0)

  1111.             pData->hints |= PLUGIN_CAN_VOLUME;

  1112. 

  1113.         if (aOuts >= 2 && aOuts % 2 == 0)

  1114.             pData->hints |= PLUGIN_CAN_BALANCE;

  1115. 

  1116.         // native plugin hints

  1117.         if (fDescriptor->hints & ::PLUGIN_IS_RTSAFE)

  1118.             pData->hints |= PLUGIN_IS_RTSAFE;

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

  1120.             pData->hints |= PLUGIN_IS_SYNTH;

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

  1122.             pData->hints |= PLUGIN_HAS_CUSTOM_UI;

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

  1124.             pData->hints |= PLUGIN_NEEDS_SINGLE_THREAD;

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

  1126.             pData->hints |= PLUGIN_NEEDS_FIXED_BUFFERS;

  1127. 

  1128.         // extra plugin hints

  1129.         pData->extraHints = 0x0;

  1130. 

  1131.         if (aIns <= 2 && aOuts <= 2 && (aIns == aOuts || aIns == 0 || aOuts == 0) && mIns <= 1 && mOuts <= 1)

  1132.             pData->extraHints |= PLUGIN_EXTRA_HINT_CAN_RUN_RACK;

  1133. 

  1134.         if (fDescriptor->hints & ::PLUGIN_USES_MULTI_PROGS)

  1135.             pData->extraHints |= PLUGIN_EXTRA_HINT_USES_MULTI_PROGS;

  1136. 

  1137.         bufferSizeChanged(pData->engine->getBufferSize());

  1138.         reloadPrograms(true);

  1139. 

  1140.         if (pData->active)

  1141.             activate();

  1142. 

  1143.         carla_debug("NativePlugin::reload() - end");

  1144.     }

  1145. 

  1146.     void reloadPrograms(const bool doInit) override

  1147.     {

  1148.         carla_debug("NativePlugin::reloadPrograms(%s)", bool2str(doInit));

  1149.         uint32_t i, oldCount  = pData->midiprog.count;

  1150.         const int32_t current = pData->midiprog.current;

  1151. 

  1152.         // Delete old programs

  1153.         pData->midiprog.clear();

  1154. 

  1155.         // Query new programs

  1156.         uint32_t count = 0;

  1157.         if (fDescriptor->get_midi_program_count != nullptr && fDescriptor->get_midi_program_info != nullptr && fDescriptor->set_midi_program != nullptr)

  1158.             count = fDescriptor->get_midi_program_count(fHandle);

  1159. 

  1160.         if (count > 0)

  1161.         {

  1162.             pData->midiprog.createNew(count);

  1163. 

  1164.             // Update data

  1165.             for (i=0; i < count; ++i)

  1166.             {

  1167.                 const NativeMidiProgram* const mpDesc(fDescriptor->get_midi_program_info(fHandle, i));

  1168.                 CARLA_SAFE_ASSERT_CONTINUE(mpDesc != nullptr);

  1169. 

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

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

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

  1173.             }

  1174.         }

  1175. 

  1176. #ifndef BUILD_BRIDGE

  1177.         // Update OSC Names

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

  1179.         {

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

  1181. 

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

  1183.                 pData->engine->oscSend_control_set_midi_program_data(pData->id, i, pData->midiprog.data[i].bank, pData->midiprog.data[i].program, pData->midiprog.data[i].name);

  1184.         }

  1185. #endif

  1186. 

  1187.         if (doInit)

  1188.         {

  1189.             if (count > 0)

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

  1191.         }

  1192.         else

  1193.         {

  1194.             // Check if current program is invalid

  1195.             bool programChanged = false;

  1196. 

  1197.             if (count == oldCount+1)

  1198.             {

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

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

  1201.                 programChanged = true;

  1202.             }

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

  1204.             {

  1205.                 // programs exist now, but not before

  1206.                 pData->midiprog.current = 0;

  1207.                 programChanged = true;

  1208.             }

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

  1210.             {

  1211.                 // programs existed before, but not anymore

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

  1213.                 programChanged = true;

  1214.             }

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

  1216.             {

  1217.                 // current midi program > count

  1218.                 pData->midiprog.current = 0;

  1219.                 programChanged = true;

  1220.             }

  1221.             else

  1222.             {

  1223.                 // no change

  1224.                 pData->midiprog.current = current;

  1225.             }

  1226. 

  1227.             if (programChanged)

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

  1229. 

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

  1231.         }

  1232.     }

  1233. 

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

  1235.     // Plugin processing

  1236. 

  1237.     void activate() noexcept override

  1238.     {

  1239.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1240.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  1241. 

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

  1243.         {

  1244.             try {

  1245.                 fDescriptor->activate(fHandle);

  1246.             } catch(...) {}

  1247. 

  1248.             if (fHandle2 != nullptr)

  1249.             {

  1250.                 try {

  1251.                     fDescriptor->activate(fHandle2);

  1252.                 } catch(...) {}

  1253.             }

  1254.         }

  1255.     }

  1256. 

  1257.     void deactivate() noexcept override

  1258.     {

  1259.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1260.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  1261. 

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

  1263.         {

  1264.             try {

  1265.                 fDescriptor->deactivate(fHandle);

  1266.             } catch(...) {}

  1267. 

  1268.             if (fHandle2 != nullptr)

  1269.             {

  1270.                 try {

  1271.                     fDescriptor->deactivate(fHandle2);

  1272.                 } catch(...) {}

  1273.             }

  1274.         }

  1275.     }

  1276. 

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

  1278.     {

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

  1280.         // Check if active

  1281. 

  1282.         if (! pData->active)

  1283.         {

  1284.             // disable any output sound

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

  1286.                 FloatVectorOperations::clear(outBuffer[i], frames);

  1287. 

  1288.             return;

  1289.         }

  1290. 

  1291.         fMidiEventCount = 0;

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

  1293. 

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

  1295.         // Check if needs reset

  1296. 

  1297.         if (pData->needsReset)

  1298.         {

  1299.             if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1300.             {

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

  1302.                 {

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

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

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

  1306.                     fMidiEvents[k].size    = 3;

  1307. 

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

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

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

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

  1312.                 }

  1313. 

  1314.                 fMidiEventCount = MAX_MIDI_CHANNELS*2;

  1315.             }

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

  1317.             {

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

  1319.                 {

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

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

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

  1323.                     fMidiEvents[k].size    = 3;

  1324.                 }

  1325. 

  1326.                 fMidiEventCount = MAX_MIDI_NOTE;

  1327.             }

  1328. 

  1329.             pData->needsReset = false;

  1330.         }

  1331. 

  1332.         // --------------------------------------------------------------------------------------------------------

  1333.         // Set TimeInfo

  1334. 

  1335.         const EngineTimeInfo& timeInfo(pData->engine->getTimeInfo());

  1336. 

  1337.         fTimeInfo.playing = timeInfo.playing;

  1338.         fTimeInfo.frame   = timeInfo.frame;

  1339.         fTimeInfo.usecs   = timeInfo.usecs;

  1340. 

  1341.         if (timeInfo.valid & EngineTimeInfo::kValidBBT)

  1342.         {

  1343.             fTimeInfo.bbt.valid = true;

  1344. 

  1345.             fTimeInfo.bbt.bar  = timeInfo.bbt.bar;

  1346.             fTimeInfo.bbt.beat = timeInfo.bbt.beat;

  1347.             fTimeInfo.bbt.tick = timeInfo.bbt.tick;

  1348.             fTimeInfo.bbt.barStartTick = timeInfo.bbt.barStartTick;

  1349. 

  1350.             fTimeInfo.bbt.beatsPerBar = timeInfo.bbt.beatsPerBar;

  1351.             fTimeInfo.bbt.beatType    = timeInfo.bbt.beatType;

  1352. 

  1353.             fTimeInfo.bbt.ticksPerBeat   = timeInfo.bbt.ticksPerBeat;

  1354.             fTimeInfo.bbt.beatsPerMinute = timeInfo.bbt.beatsPerMinute;

  1355.         }

  1356.         else

  1357.             fTimeInfo.bbt.valid = false;

  1358. 

  1359.         // --------------------------------------------------------------------------------------------------------

  1360.         // Event Input and Processing

  1361. 

  1362.         if (pData->event.portIn != nullptr)

  1363.         {

  1364.             // ----------------------------------------------------------------------------------------------------

  1365.             // MIDI Input (External)

  1366. 

  1367.             if (pData->extNotes.mutex.tryLock())

  1368.             {

  1369.                 ExternalMidiNote note = { 0, 0, 0 };

  1370. 

  1371.                 //for (RtLinkedList<ExternalMidiNote>::Itenerator it = pData->extNotes.data.begin(); it.valid(); it.next())

  1372.                 while (fMidiEventCount < kPluginMaxMidiEvents*2 && ! pData->extNotes.data.isEmpty())

  1373.                 {

  1374.                     note = pData->extNotes.data.getFirst(note, true);

  1375. 

  1376.                     CARLA_SAFE_ASSERT_CONTINUE(note.channel >= 0 && note.channel < MAX_MIDI_CHANNELS);

  1377. 

  1378.                     fMidiEvents[fMidiEventCount].data[0] = static_cast<uint8_t>((note.velo > 0 ? MIDI_STATUS_NOTE_ON : MIDI_STATUS_NOTE_OFF) | (note.channel & MIDI_CHANNEL_BIT));

  1379.                     fMidiEvents[fMidiEventCount].data[1] = note.note;

  1380.                     fMidiEvents[fMidiEventCount].data[2] = note.velo;

  1381.                     fMidiEvents[fMidiEventCount].size    = 3;

  1382. 

  1383.                     fMidiEventCount += 1;

  1384.                 }

  1385. 

  1386.                 pData->extNotes.mutex.unlock();

  1387. 

  1388.             } // End of MIDI Input (External)

  1389. 

  1390.             // ----------------------------------------------------------------------------------------------------

  1391.             // Event Input (System)

  1392. 

  1393.             bool allNotesOffSent = false;

  1394.             bool sampleAccurate  = (pData->options & PLUGIN_OPTION_FIXED_BUFFERS) == 0;

  1395. 

  1396.             uint32_t time, nEvents = pData->event.portIn->getEventCount();

  1397.             uint32_t startTime  = 0;

  1398.             uint32_t timeOffset = 0;

  1399.             uint32_t nextBankId = 0;

  1400. 

  1401.             if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1402.                 nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1403. 

  1404.             for (uint32_t i=0; i < nEvents; ++i)

  1405.             {

  1406.                 const EngineEvent& event(pData->event.portIn->getEvent(i));

  1407. 

  1408.                 time = event.time;

  1409. 

  1410.                 if (time >= frames)

  1411.                     continue;

  1412. 

  1413.                 CARLA_ASSERT_INT2(time >= timeOffset, time, timeOffset);

  1414. 

  1415.                 if (time > timeOffset && sampleAccurate)

  1416.                 {

  1417.                     if (processSingle(inBuffer, outBuffer, time - timeOffset, timeOffset))

  1418.                     {

  1419.                         startTime  = 0;

  1420.                         timeOffset = time;

  1421. 

  1422.                         if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1423.                             nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1424.                         else

  1425.                             nextBankId = 0;

  1426. 

  1427.                         if (fMidiEventCount > 0)

  1428.                         {

  1429.                             carla_zeroStruct<NativeMidiEvent>(fMidiEvents, fMidiEventCount);

  1430.                             fMidiEventCount = 0;

  1431.                         }

  1432.                     }

  1433.                     else

  1434.                         startTime += timeOffset;

  1435.                 }

  1436. 

  1437.                 // Control change

  1438.                 switch (event.type)

  1439.                 {

  1440.                 case kEngineEventTypeNull:

  1441.                     break;

  1442. 

  1443.                 case kEngineEventTypeControl:

  1444.                 {

  1445.                     const EngineControlEvent& ctrlEvent = event.ctrl;

  1446. 

  1447.                     switch (ctrlEvent.type)

  1448.                     {

  1449.                     case kEngineControlEventTypeNull:

  1450.                         break;

  1451. 

  1452.                     case kEngineControlEventTypeParameter:

  1453.                     {

  1454. #ifndef BUILD_BRIDGE

  1455.                         // Control backend stuff

  1456.                         if (event.channel == pData->ctrlChannel)

  1457.                         {

  1458.                             float value;

  1459. 

  1460.                             if (MIDI_IS_CONTROL_BREATH_CONTROLLER(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_DRYWET) > 0)

  1461.                             {

  1462.                                 value = ctrlEvent.value;

  1463.                                 setDryWet(value, false, false);

  1464.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_DRYWET, 0, value);

  1465.                             }

  1466. 

  1467.                             if (MIDI_IS_CONTROL_CHANNEL_VOLUME(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_VOLUME) > 0)

  1468.                             {

  1469.                                 value = ctrlEvent.value*127.0f/100.0f;

  1470.                                 setVolume(value, false, false);

  1471.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_VOLUME, 0, value);

  1472.                             }

  1473. 

  1474.                             if (MIDI_IS_CONTROL_BALANCE(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_BALANCE) > 0)

  1475.                             {

  1476.                                 float left, right;

  1477.                                 value = ctrlEvent.value/0.5f - 1.0f;

  1478. 

  1479.                                 if (value < 0.0f)

  1480.                                 {

  1481.                                     left  = -1.0f;

  1482.                                     right = (value*2.0f)+1.0f;

  1483.                                 }

  1484.                                 else if (value > 0.0f)

  1485.                                 {

  1486.                                     left  = (value*2.0f)-1.0f;

  1487.                                     right = 1.0f;

  1488.                                 }

  1489.                                 else

  1490.                                 {

  1491.                                     left  = -1.0f;

  1492.                                     right = 1.0f;

  1493.                                 }

  1494. 

  1495.                                 setBalanceLeft(left, false, false);

  1496.                                 setBalanceRight(right, false, false);

  1497.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_LEFT, 0, left);

  1498.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_RIGHT, 0, right);

  1499.                             }

  1500.                         }

  1501. #endif

  1502. 

  1503.                         // Control plugin parameters

  1504.                         for (uint32_t k=0; k < pData->param.count; ++k)

  1505.                         {

  1506.                             if (pData->param.data[k].midiChannel != event.channel)

  1507.                                 continue;

  1508.                             if (pData->param.data[k].midiCC != ctrlEvent.param)

  1509.                                 continue;

  1510.                             if (pData->param.data[k].type != PARAMETER_INPUT)

  1511.                                 continue;

  1512.                             if ((pData->param.data[k].hints & PARAMETER_IS_AUTOMABLE) == 0)

  1513.                                 continue;

  1514. 

  1515.                             float value;

  1516. 

  1517.                             if (pData->param.data[k].hints & PARAMETER_IS_BOOLEAN)

  1518.                             {

  1519.                                 value = (ctrlEvent.value < 0.5f) ? pData->param.ranges[k].min : pData->param.ranges[k].max;

  1520.                             }

  1521.                             else

  1522.                             {

  1523.                                 value = pData->param.ranges[k].getUnnormalizedValue(ctrlEvent.value);

  1524. 

  1525.                                 if (pData->param.data[k].hints & PARAMETER_IS_INTEGER)

  1526.                                     value = std::rint(value);

  1527.                             }

  1528. 

  1529.                             setParameterValue(k, value, false, false, false);

  1530.                             pData->postponeRtEvent(kPluginPostRtEventParameterChange, static_cast<int32_t>(k), 0, value);

  1531.                         }

  1532. 

  1533.                         if ((pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0 && ctrlEvent.param <= 0x5F)

  1534.                         {

  1535.                             if (fMidiEventCount >= kPluginMaxMidiEvents*2)

  1536.                                 continue;

  1537. 

  1538.                             fMidiEvents[fMidiEventCount].port    = 0;

  1539.                             fMidiEvents[fMidiEventCount].time    = sampleAccurate ? startTime : time;

  1540.                             fMidiEvents[fMidiEventCount].data[0] = static_cast<uint8_t>(MIDI_STATUS_CONTROL_CHANGE + event.channel);

  1541.                             fMidiEvents[fMidiEventCount].data[1] = static_cast<uint8_t>(ctrlEvent.param);

  1542.                             fMidiEvents[fMidiEventCount].data[2] = uint8_t(ctrlEvent.value*127.0f);

  1543.                             fMidiEvents[fMidiEventCount].size    = 3;

  1544. 

  1545.                             fMidiEventCount += 1;

  1546.                         }

  1547. 

  1548.                         break;

  1549.                     }

  1550. 

  1551.                     case kEngineControlEventTypeMidiBank:

  1552.                         if (event.channel == pData->ctrlChannel && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1553.                             nextBankId = ctrlEvent.param;

  1554.                         break;

  1555. 

  1556.                     case kEngineControlEventTypeMidiProgram:

  1557.                         if (event.channel < MAX_MIDI_CHANNELS && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1558.                         {

  1559.                             const uint32_t nextProgramId(ctrlEvent.param);

  1560. 

  1561.                             for (uint32_t k=0; k < pData->midiprog.count; ++k)

  1562.                             {

  1563.                                 if (pData->midiprog.data[k].bank == nextBankId && pData->midiprog.data[k].program == nextProgramId)

  1564.                                 {

  1565.                                     fDescriptor->set_midi_program(fHandle, event.channel, nextBankId, nextProgramId);

  1566. 

  1567.                                     if (fHandle2 != nullptr)

  1568.                                         fDescriptor->set_midi_program(fHandle2, event.channel, nextBankId, nextProgramId);

  1569. 

  1570.                                     fCurMidiProgs[event.channel] = static_cast<int32_t>(k);

  1571. 

  1572.                                     if (event.channel == pData->ctrlChannel)

  1573.                                         pData->postponeRtEvent(kPluginPostRtEventMidiProgramChange, static_cast<int32_t>(k), 0, 0.0f);

  1574. 

  1575.                                     break;

  1576.                                 }

  1577.                             }

  1578.                         }

  1579.                         break;

  1580. 

  1581.                     case kEngineControlEventTypeAllSoundOff:

  1582.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1583.                         {

  1584.                             if (fMidiEventCount >= kPluginMaxMidiEvents*2)

  1585.                                 continue;

  1586. 

  1587.                             fMidiEvents[fMidiEventCount].port    = 0;

  1588.                             fMidiEvents[fMidiEventCount].time    = sampleAccurate ? startTime : time;

  1589.                             fMidiEvents[fMidiEventCount].data[0] = static_cast<uint8_t>(MIDI_STATUS_CONTROL_CHANGE + event.channel);

  1590.                             fMidiEvents[fMidiEventCount].data[1] = MIDI_CONTROL_ALL_SOUND_OFF;

  1591.                             fMidiEvents[fMidiEventCount].data[2] = 0;

  1592.                             fMidiEvents[fMidiEventCount].size    = 3;

  1593. 

  1594.                             fMidiEventCount += 1;

  1595.                         }

  1596.                         break;

  1597. 

  1598.                     case kEngineControlEventTypeAllNotesOff:

  1599.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1600.                         {

  1601.                             if (event.channel == pData->ctrlChannel && ! allNotesOffSent)

  1602.                             {

  1603.                                 allNotesOffSent = true;

  1604.                                 sendMidiAllNotesOffToCallback();

  1605.                             }

  1606. 

  1607.                             if (fMidiEventCount >= kPluginMaxMidiEvents*2)

  1608.                                 continue;

  1609. 

  1610.                             fMidiEvents[fMidiEventCount].port    = 0;

  1611.                             fMidiEvents[fMidiEventCount].time    = sampleAccurate ? startTime : time;

  1612.                             fMidiEvents[fMidiEventCount].data[0] = static_cast<uint8_t>(MIDI_STATUS_CONTROL_CHANGE + event.channel);

  1613.                             fMidiEvents[fMidiEventCount].data[1] = MIDI_CONTROL_ALL_NOTES_OFF;

  1614.                             fMidiEvents[fMidiEventCount].data[2] = 0;

  1615.                             fMidiEvents[fMidiEventCount].size    = 3;

  1616. 

  1617.                             fMidiEventCount += 1;

  1618.                         }

  1619.                         break;

  1620.                     }

  1621. 

  1622.                     break;

  1623.                 }

  1624. 

  1625.                 case kEngineEventTypeMidi:

  1626.                 {

  1627.                     if (fMidiEventCount >= kPluginMaxMidiEvents*2)

  1628.                         continue;

  1629. 

  1630.                     const EngineMidiEvent& midiEvent(event.midi);

  1631. 

  1632.                     uint8_t status  = uint8_t(MIDI_GET_STATUS_FROM_DATA(midiEvent.data));

  1633.                     uint8_t channel = event.channel;

  1634. 

  1635.                     if (MIDI_IS_STATUS_CHANNEL_PRESSURE(status) && (pData->options & PLUGIN_OPTION_SEND_CHANNEL_PRESSURE) == 0)

  1636.                         continue;

  1637.                     if (MIDI_IS_STATUS_CONTROL_CHANGE(status) && (pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) == 0)

  1638.                         continue;

  1639.                     if (MIDI_IS_STATUS_POLYPHONIC_AFTERTOUCH(status) && (pData->options & PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH) == 0)

  1640.                         continue;

  1641.                     if (MIDI_IS_STATUS_PITCH_WHEEL_CONTROL(status) && (pData->options & PLUGIN_OPTION_SEND_PITCHBEND) == 0)

  1642.                         continue;

  1643. 

  1644.                     // Fix bad note-off

  1645.                     if (status == MIDI_STATUS_NOTE_ON && midiEvent.data[2] == 0)

  1646.                         status = MIDI_STATUS_NOTE_OFF;

  1647. 

  1648.                     fMidiEvents[fMidiEventCount].port = 0;

  1649.                     fMidiEvents[fMidiEventCount].time = sampleAccurate ? startTime : time;

  1650.                     fMidiEvents[fMidiEventCount].size = midiEvent.size;

  1651. 

  1652.                     fMidiEvents[fMidiEventCount].data[0] = static_cast<uint8_t>(status + channel);

  1653.                     fMidiEvents[fMidiEventCount].data[1] = midiEvent.data[1];

  1654.                     fMidiEvents[fMidiEventCount].data[2] = midiEvent.data[2];

  1655.                     fMidiEvents[fMidiEventCount].data[3] = midiEvent.data[3];

  1656. 

  1657.                     fMidiEventCount += 1;

  1658. 

  1659.                     if (status == MIDI_STATUS_NOTE_ON)

  1660.                         pData->postponeRtEvent(kPluginPostRtEventNoteOn, channel, midiEvent.data[1], midiEvent.data[2]);

  1661.                     else if (status == MIDI_STATUS_NOTE_OFF)

  1662.                         pData->postponeRtEvent(kPluginPostRtEventNoteOff, channel, midiEvent.data[1], 0.0f);

  1663. 

  1664.                     break;

  1665.                 }

  1666.                 }

  1667.             }

  1668. 

  1669.             pData->postRtEvents.trySplice();

  1670. 

  1671.             if (frames > timeOffset)

  1672.                 processSingle(inBuffer, outBuffer, frames - timeOffset, timeOffset);

  1673. 

  1674.         } // End of Event Input and Processing

  1675. 

  1676.         // --------------------------------------------------------------------------------------------------------

  1677.         // Plugin processing (no events)

  1678. 

  1679.         else

  1680.         {

  1681.             processSingle(inBuffer, outBuffer, frames, 0);

  1682. 

  1683.         } // End of Plugin processing (no events)

  1684. 

  1685.         // --------------------------------------------------------------------------------------------------------

  1686.         // Control and MIDI Output

  1687. 

  1688.         if (fMidiOut.count > 0 || pData->event.portOut != nullptr)

  1689.         {

  1690.             float value, curValue;

  1691. 

  1692.             for (uint32_t k=0; k < pData->param.count; ++k)

  1693.             {

  1694.                 if (pData->param.data[k].type != PARAMETER_OUTPUT)

  1695.                     continue;

  1696. 

  1697.                 curValue = fDescriptor->get_parameter_value(fHandle, k);

  1698.                 pData->param.ranges[k].fixValue(curValue);

  1699. 

  1700.                 if (pData->param.data[k].midiCC > 0)

  1701.                 {

  1702.                     value = pData->param.ranges[k].getNormalizedValue(curValue);

  1703.                     pData->event.portOut->writeControlEvent(0, pData->param.data[k].midiChannel, kEngineControlEventTypeParameter, static_cast<uint16_t>(pData->param.data[k].midiCC), value);

  1704.                 }

  1705.             }

  1706. 

  1707.             // reverse lookup MIDI events

  1708.             for (uint32_t k = (kPluginMaxMidiEvents*2)-1; k >= fMidiEventCount; --k)

  1709.             {

  1710.                 if (fMidiEvents[k].data[0] == 0)

  1711.                     break;

  1712. 

  1713.                 const uint8_t channel = uint8_t(MIDI_GET_CHANNEL_FROM_DATA(fMidiEvents[k].data));

  1714.                 const uint8_t port    = fMidiEvents[k].port;

  1715. 

  1716.                 if (pData->event.portOut != nullptr)

  1717.                     pData->event.portOut->writeMidiEvent(fMidiEvents[k].time, channel, port, fMidiEvents[k].size, fMidiEvents[k].data);

  1718.                 else if (port < fMidiOut.count)

  1719.                     fMidiOut.ports[port]->writeMidiEvent(fMidiEvents[k].time, channel, port, fMidiEvents[k].size, fMidiEvents[k].data);

  1720.             }

  1721. 

  1722.         } // End of Control and MIDI Output

  1723.     }

  1724. 

  1725.     bool processSingle(float** const inBuffer, float** const outBuffer, const uint32_t frames, const uint32_t timeOffset)

  1726.     {

  1727.         CARLA_ASSERT(frames > 0);

  1728. 

  1729.         if (frames == 0)

  1730.             return false;

  1731. 

  1732.         if (pData->audioIn.count > 0)

  1733.         {

  1734.             CARLA_ASSERT(inBuffer != nullptr);

  1735.             if (inBuffer == nullptr)

  1736.                 return false;

  1737.         }

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

  1739.         {

  1740.             CARLA_ASSERT(outBuffer != nullptr);

  1741.             if (outBuffer == nullptr)

  1742.                 return false;

  1743.         }

  1744. 

  1745.         uint32_t i, k;

  1746. 

  1747.         // --------------------------------------------------------------------------------------------------------

  1748.         // Try lock, silence otherwise

  1749. 

  1750.         if (pData->engine->isOffline())

  1751.         {

  1752.             pData->singleMutex.lock();

  1753.         }

  1754.         else if (! pData->singleMutex.tryLock())

  1755.         {

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

  1757.             {

  1758.                 for (k=0; k < frames; ++k)

  1759.                     outBuffer[i][k+timeOffset] = 0.0f;

  1760.             }

  1761. 

  1762.             return false;

  1763.         }

  1764. 

  1765.         // --------------------------------------------------------------------------------------------------------

  1766.         // Reset audio buffers

  1767. 

  1768.         for (i=0; i < pData->audioIn.count; ++i)

  1769.             FloatVectorOperations::copy(fAudioInBuffers[i], inBuffer[i]+timeOffset, frames);

  1770. 

  1771.         for (i=0; i < pData->audioOut.count; ++i)

  1772.             FloatVectorOperations::clear(fAudioOutBuffers[i], frames);

  1773. 

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

  1775.         // Run plugin

  1776. 

  1777.         fIsProcessing = true;

  1778. 

  1779.         if (fHandle2 == nullptr)

  1780.         {

  1781.             fDescriptor->process(fHandle, fAudioInBuffers, fAudioOutBuffers, frames, fMidiEvents, fMidiEventCount);

  1782.         }

  1783.         else

  1784.         {

  1785.             fDescriptor->process(fHandle,

  1786.                                  (pData->audioIn.count > 0) ? &fAudioInBuffers[0] : nullptr,

  1787.                                  (pData->audioOut.count > 0) ? &fAudioOutBuffers[0] : nullptr,

  1788.                                  frames, fMidiEvents, fMidiEventCount);

  1789. 

  1790.             fDescriptor->process(fHandle2,

  1791.                                  (pData->audioIn.count > 0) ? &fAudioInBuffers[1] : nullptr,

  1792.                                  (pData->audioOut.count > 0) ? &fAudioOutBuffers[1] : nullptr,

  1793.                                  frames, fMidiEvents, fMidiEventCount);

  1794.         }

  1795. 

  1796.         fIsProcessing = false;

  1797.         fTimeInfo.frame += frames;

  1798. 

  1799. #ifndef BUILD_BRIDGE

  1800.         // --------------------------------------------------------------------------------------------------------

  1801.         // Post-processing (dry/wet, volume and balance)

  1802. 

  1803.         {

  1804.             const bool doDryWet  = (pData->hints & PLUGIN_CAN_DRYWET) != 0 && pData->postProc.dryWet != 1.0f;

  1805.             const bool doBalance = (pData->hints & PLUGIN_CAN_BALANCE) != 0 && (pData->postProc.balanceLeft != -1.0f || pData->postProc.balanceRight != 1.0f);

  1806. 

  1807.             bool isPair;

  1808.             float bufValue, oldBufLeft[doBalance ? frames : 1];

  1809. 

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

  1811.             {

  1812.                 // Dry/Wet

  1813.                 if (doDryWet)

  1814.                 {

  1815.                     for (k=0; k < frames; ++k)

  1816.                     {

  1817.                         bufValue = fAudioInBuffers[(pData->audioIn.count == 1) ? 0 : i][k];

  1818.                         fAudioOutBuffers[i][k] = (fAudioOutBuffers[i][k] * pData->postProc.dryWet) + (bufValue * (1.0f - pData->postProc.dryWet));

  1819.                     }

  1820.                 }

  1821. 

  1822.                 // Balance

  1823.                 if (doBalance)

  1824.                 {

  1825.                     isPair = (i % 2 == 0);

  1826. 

  1827.                     if (isPair)

  1828.                     {

  1829.                         CARLA_ASSERT(i+1 < pData->audioOut.count);

  1830.                         FloatVectorOperations::copy(oldBufLeft, fAudioOutBuffers[i], frames);

  1831.                     }

  1832. 

  1833.                     float balRangeL = (pData->postProc.balanceLeft  + 1.0f)/2.0f;

  1834.                     float balRangeR = (pData->postProc.balanceRight + 1.0f)/2.0f;

  1835. 

  1836.                     for (k=0; k < frames; ++k)

  1837.                     {

  1838.                         if (isPair)

  1839.                         {

  1840.                             // left

  1841.                             fAudioOutBuffers[i][k]  = oldBufLeft[k]            * (1.0f - balRangeL);

  1842.                             fAudioOutBuffers[i][k] += fAudioOutBuffers[i+1][k] * (1.0f - balRangeR);

  1843.                         }

  1844.                         else

  1845.                         {

  1846.                             // right

  1847.                             fAudioOutBuffers[i][k]  = fAudioOutBuffers[i][k] * balRangeR;

  1848.                             fAudioOutBuffers[i][k] += oldBufLeft[k]          * balRangeL;

  1849.                         }

  1850.                     }

  1851.                 }

  1852. 

  1853.                 // Volume (and buffer copy)

  1854.                 {

  1855.                     for (k=0; k < frames; ++k)

  1856.                         outBuffer[i][k+timeOffset] = fAudioOutBuffers[i][k] * pData->postProc.volume;

  1857.                 }

  1858.             }

  1859. 

  1860.         } // End of Post-processing

  1861. #else

  1862.         for (i=0; i < pData->audioOut.count; ++i)

  1863.         {

  1864.             for (k=0; k < frames; ++k)

  1865.                 outBuffer[i][k+timeOffset] = fAudioOutBuffers[i][k];

  1866.         }

  1867. #endif

  1868. 

  1869.         // --------------------------------------------------------------------------------------------------------

  1870. 

  1871.         pData->singleMutex.unlock();

  1872.         return true;

  1873.     }

  1874. 

  1875.     void bufferSizeChanged(const uint32_t newBufferSize) override

  1876.     {

  1877.         CARLA_ASSERT_INT(newBufferSize > 0, newBufferSize);

  1878.         carla_debug("NativePlugin::bufferSizeChanged(%i)", newBufferSize);

  1879. 

  1880.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1881.         {

  1882.             if (fAudioInBuffers[i] != nullptr)

  1883.                 delete[] fAudioInBuffers[i];

  1884.             fAudioInBuffers[i] = new float[newBufferSize];

  1885.         }

  1886. 

  1887.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1888.         {

  1889.             if (fAudioOutBuffers[i] != nullptr)

  1890.                 delete[] fAudioOutBuffers[i];

  1891.             fAudioOutBuffers[i] = new float[newBufferSize];

  1892.         }

  1893. 

  1894.         if (fDescriptor != nullptr && fDescriptor->dispatcher != nullptr)

  1895.         {

  1896.             fDescriptor->dispatcher(fHandle, PLUGIN_OPCODE_BUFFER_SIZE_CHANGED, 0, static_cast<intptr_t>(newBufferSize), nullptr, 0.0f);

  1897. 

  1898.             if (fHandle2 != nullptr)

  1899.                 fDescriptor->dispatcher(fHandle2, PLUGIN_OPCODE_BUFFER_SIZE_CHANGED, 0, static_cast<intptr_t>(newBufferSize), nullptr, 0.0f);

  1900.         }

  1901.     }

  1902. 

  1903.     void sampleRateChanged(const double newSampleRate) override

  1904.     {

  1905.         CARLA_ASSERT_INT(newSampleRate > 0.0, newSampleRate);

  1906.         carla_debug("NativePlugin::sampleRateChanged(%g)", newSampleRate);

  1907. 

  1908.         if (fDescriptor != nullptr && fDescriptor->dispatcher != nullptr)

  1909.         {

  1910.             fDescriptor->dispatcher(fHandle, PLUGIN_OPCODE_SAMPLE_RATE_CHANGED, 0, 0, nullptr, float(newSampleRate));

  1911. 

  1912.             if (fHandle2 != nullptr)

  1913.                 fDescriptor->dispatcher(fHandle2, PLUGIN_OPCODE_SAMPLE_RATE_CHANGED, 0, 0, nullptr, float(newSampleRate));

  1914.         }

  1915.     }

  1916. 

  1917.     void offlineModeChanged(const bool isOffline) override

  1918.     {

  1919.         if (fDescriptor != nullptr && fDescriptor->dispatcher != nullptr)

  1920.         {

  1921.             fDescriptor->dispatcher(fHandle, PLUGIN_OPCODE_OFFLINE_CHANGED, 0, isOffline ? 1 : 0, nullptr, 0.0f);

  1922. 

  1923.             if (fHandle2 != nullptr)

  1924.                 fDescriptor->dispatcher(fHandle2, PLUGIN_OPCODE_OFFLINE_CHANGED, 0, isOffline ? 1 : 0, nullptr, 0.0f);

  1925.         }

  1926.     }

  1927. 

  1928.     // -------------------------------------------------------------------

  1929.     // Plugin buffers

  1930. 

  1931.     void initBuffers() const noexcept override

  1932.     {

  1933.         fMidiIn.initBuffers();

  1934.         fMidiOut.initBuffers();

  1935. 

  1936.         CarlaPlugin::initBuffers();

  1937.     }

  1938. 

  1939.     void clearBuffers() noexcept override

  1940.     {

  1941.         carla_debug("NativePlugin::clearBuffers() - start");

  1942. 

  1943.         if (fAudioInBuffers != nullptr)

  1944.         {

  1945.             for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1946.             {

  1947.                 if (fAudioInBuffers[i] != nullptr)

  1948.                 {

  1949.                     delete[] fAudioInBuffers[i];

  1950.                     fAudioInBuffers[i] = nullptr;

  1951.                 }

  1952.             }

  1953. 

  1954.             delete[] fAudioInBuffers;

  1955.             fAudioInBuffers = nullptr;

  1956.         }

  1957. 

  1958.         if (fAudioOutBuffers != nullptr)

  1959.         {

  1960.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1961.             {

  1962.                 if (fAudioOutBuffers[i] != nullptr)

  1963.                 {

  1964.                     delete[] fAudioOutBuffers[i];

  1965.                     fAudioOutBuffers[i] = nullptr;

  1966.                 }

  1967.             }

  1968. 

  1969.             delete[] fAudioOutBuffers;

  1970.             fAudioOutBuffers = nullptr;

  1971.         }

  1972. 

  1973.         fMidiIn.clear();

  1974.         fMidiOut.clear();

  1975. 

  1976.         CarlaPlugin::clearBuffers();

  1977. 

  1978.         carla_debug("NativePlugin::clearBuffers() - end");

  1979.     }

  1980. 

  1981.     // -------------------------------------------------------------------

  1982.     // Post-poned UI Stuff

  1983. 

  1984.     void uiParameterChange(const uint32_t index, const float value) noexcept override

  1985.     {

  1986.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1987.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  1988.         CARLA_SAFE_ASSERT_RETURN(index < pData->param.count,);

  1989. 

  1990.         if (! fIsUiVisible)

  1991.             return;

  1992. 

  1993.         if (fDescriptor->ui_set_parameter_value != nullptr)

  1994.             fDescriptor->ui_set_parameter_value(fHandle, index, value);

  1995.     }

  1996. 

  1997.     void uiMidiProgramChange(const uint32_t index) noexcept override

  1998.     {

  1999.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  2000.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  2001.         CARLA_SAFE_ASSERT_RETURN(index < pData->midiprog.count,);

  2002. 

  2003.         if (! fIsUiVisible)

  2004.             return;

  2005.         if (index >= pData->midiprog.count)

  2006.             return;

  2007. 

  2008.         if (fDescriptor->ui_set_midi_program != nullptr)

  2009.             fDescriptor->ui_set_midi_program(fHandle, 0, pData->midiprog.data[index].bank, pData->midiprog.data[index].program);

  2010.     }

  2011. 

  2012.     void uiNoteOn(const uint8_t channel, const uint8_t note, const uint8_t velo) noexcept override

  2013.     {

  2014.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  2015.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  2016.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2017.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2018.         CARLA_SAFE_ASSERT_RETURN(velo > 0 && velo < MAX_MIDI_VALUE,);

  2019. 

  2020.         if (! fIsUiVisible)

  2021.             return;

  2022. 

  2023.         // TODO

  2024.     }

  2025. 

  2026.     void uiNoteOff(const uint8_t channel, const uint8_t note) noexcept override

  2027.     {

  2028.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  2029.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  2030.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2031.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2032. 

  2033.         if (! fIsUiVisible)

  2034.             return;

  2035.         if (fDescriptor == nullptr || fHandle == nullptr)

  2036.             return;

  2037. 

  2038.         // TODO

  2039.     }

  2040. 

  2041.     // -------------------------------------------------------------------

  2042. 

  2043. protected:

  2044.     uint32_t handleGetBufferSize() const noexcept

  2045.     {

  2046.         return pData->engine->getBufferSize();

  2047.     }

  2048. 

  2049.     double handleGetSampleRate() const noexcept

  2050.     {

  2051.         return pData->engine->getSampleRate();

  2052.     }

  2053. 

  2054.     bool handleIsOffline() const noexcept

  2055.     {

  2056.         return pData->engine->isOffline();

  2057.     }

  2058. 

  2059.     const NativeTimeInfo* handleGetTimeInfo() const noexcept

  2060.     {

  2061.         CARLA_SAFE_ASSERT_RETURN(fIsProcessing, nullptr);

  2062. 

  2063.         return &fTimeInfo;

  2064.     }

  2065. 

  2066.     bool handleWriteMidiEvent(const NativeMidiEvent* const event)

  2067.     {

  2068.         CARLA_ASSERT(pData->enabled);

  2069.         CARLA_ASSERT(fIsProcessing);

  2070.         CARLA_ASSERT(fMidiOut.count > 0 || pData->event.portOut != nullptr);

  2071.         CARLA_ASSERT(event != nullptr);

  2072.         CARLA_ASSERT(event->data[0] != 0);

  2073. 

  2074.         if (! pData->enabled)

  2075.             return false;

  2076.         if (fMidiOut.count == 0)

  2077.             return false;

  2078.         if (event == nullptr)

  2079.             return false;

  2080.         if (event->data[0] == 0)

  2081.             return false;

  2082.         if (! fIsProcessing)

  2083.         {

  2084.             carla_stderr2("NativePlugin::handleWriteMidiEvent(%p) - received MIDI out event outside audio thread, ignoring", event);

  2085.             return false;

  2086.         }

  2087. 

  2088.         // reverse-find first free event, and put it there

  2089.         for (uint32_t i=(kPluginMaxMidiEvents*2)-1; i > fMidiEventCount; --i)

  2090.         {

  2091.             if (fMidiEvents[i].data[0] == 0)

  2092.             {

  2093.                 std::memcpy(&fMidiEvents[i], event, sizeof(NativeMidiEvent));

  2094.                 return true;

  2095.             }

  2096.         }

  2097. 

  2098.         return false;

  2099.     }

  2100. 

  2101.     void handleUiParameterChanged(const uint32_t index, const float value)

  2102.     {

  2103.         setParameterValue(index, value, false, true, true);

  2104.     }

  2105. 

  2106.     void handleUiCustomDataChanged(const char* const key, const char* const value)

  2107.     {

  2108.         setCustomData(CUSTOM_DATA_TYPE_STRING, key, value, false);

  2109.     }

  2110. 

  2111.     void handleUiClosed()

  2112.     {

  2113.         pData->engine->callback(ENGINE_CALLBACK_UI_STATE_CHANGED, pData->id, 0, 0, 0.0f, nullptr);

  2114.         fIsUiVisible = false;

  2115.     }

  2116. 

  2117.     const char* handleUiOpenFile(const bool isDir, const char* const title, const char* const filter)

  2118.     {

  2119.         return pData->engine->runFileCallback(FILE_CALLBACK_OPEN, isDir, title, filter);

  2120.     }

  2121. 

  2122.     const char* handleUiSaveFile(const bool isDir, const char* const title, const char* const filter)

  2123.     {

  2124.         return pData->engine->runFileCallback(FILE_CALLBACK_SAVE, isDir, title, filter);

  2125.     }

  2126. 

  2127.     intptr_t handleDispatcher(const NativeHostDispatcherOpcode opcode, const int32_t index, const intptr_t value, void* const ptr, const float opt)

  2128.     {

  2129.         carla_debug("NativePlugin::handleDispatcher(%i, %i, " P_INTPTR ", %p, %f)", opcode, index, value, ptr, opt);

  2130. 

  2131.         intptr_t ret = 0;

  2132. 

  2133.         switch (opcode)

  2134.         {

  2135.         case ::HOST_OPCODE_NULL:

  2136.             break;

  2137. #ifdef BUILD_BRIDGE

  2138.         case ::HOST_OPCODE_SET_VOLUME:

  2139.         case ::HOST_OPCODE_SET_DRYWET:

  2140.         case ::HOST_OPCODE_SET_BALANCE_LEFT:

  2141.         case ::HOST_OPCODE_SET_BALANCE_RIGHT:

  2142.         case ::HOST_OPCODE_SET_PANNING:

  2143.             break;

  2144. #else

  2145.         case ::HOST_OPCODE_SET_VOLUME:

  2146.             setVolume(opt, true, true);

  2147.             break;

  2148.         case ::HOST_OPCODE_SET_DRYWET:

  2149.             setDryWet(opt, true, true);

  2150.             break;

  2151.         case ::HOST_OPCODE_SET_BALANCE_LEFT:

  2152.             setBalanceLeft(opt, true, true);

  2153.             break;

  2154.         case ::HOST_OPCODE_SET_BALANCE_RIGHT:

  2155.             setBalanceRight(opt, true, true);

  2156.             break;

  2157.         case ::HOST_OPCODE_SET_PANNING:

  2158.             setPanning(opt, true, true);

  2159.             break;

  2160. #endif

  2161.         case ::HOST_OPCODE_GET_PARAMETER_MIDI_CC:

  2162.         case ::HOST_OPCODE_SET_PARAMETER_MIDI_CC:

  2163.             // TODO

  2164.             break;

  2165.         case ::HOST_OPCODE_SET_PROCESS_PRECISION:

  2166.             // TODO

  2167.             break;

  2168.         case ::HOST_OPCODE_UPDATE_PARAMETER:

  2169.             // TODO

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

  2171.             break;

  2172.         case ::HOST_OPCODE_UPDATE_MIDI_PROGRAM:

  2173.             // TODO

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

  2175.             break;

  2176.         case ::HOST_OPCODE_RELOAD_PARAMETERS:

  2177.             reload(); // FIXME

  2178.             pData->engine->callback(ENGINE_CALLBACK_RELOAD_PARAMETERS, pData->id, -1, 0, 0.0f, nullptr);

  2179.             break;

  2180.         case ::HOST_OPCODE_RELOAD_MIDI_PROGRAMS:

  2181.             reloadPrograms(false);

  2182.             pData->engine->callback(ENGINE_CALLBACK_RELOAD_PROGRAMS, pData->id, -1, 0, 0.0f, nullptr);

  2183.             break;

  2184.         case ::HOST_OPCODE_RELOAD_ALL:

  2185.             reload();

  2186.             pData->engine->callback(ENGINE_CALLBACK_RELOAD_ALL, pData->id, -1, 0, 0.0f, nullptr);

  2187.             break;

  2188.         case ::HOST_OPCODE_UI_UNAVAILABLE:

  2189.             pData->engine->callback(ENGINE_CALLBACK_UI_STATE_CHANGED, pData->id, -1, 0, 0.0f, nullptr);

  2190.             break;

  2191.         }

  2192. 

  2193.         return ret;

  2194. 

  2195.         // unused for now

  2196.         (void)index;

  2197.         (void)value;

  2198.         (void)ptr;

  2199.         (void)opt;

  2200.     }

  2201. 

  2202.     // -------------------------------------------------------------------

  2203. 

  2204. public:

  2205.     static size_t getPluginCount() noexcept

  2206.     {

  2207.         return gPluginDescriptors.count();

  2208.     }

  2209. 

  2210.     static const NativePluginDescriptor* getPluginDescriptor(const size_t index) noexcept

  2211.     {

  2212.         CARLA_SAFE_ASSERT_RETURN(index < gPluginDescriptors.count(), nullptr);

  2213. 

  2214.         return gPluginDescriptors.getAt(index, nullptr);

  2215.     }

  2216. 

  2217.     // -------------------------------------------------------------------

  2218. 

  2219.     bool init(const char* const name, const char* const label)

  2220.     {

  2221.         CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr, false);

  2222. 

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

  2224.         // first checks

  2225. 

  2226.         if (pData->client != nullptr)

  2227.         {

  2228.             pData->engine->setLastError("Plugin client is already registered");

  2229.             return false;

  2230.         }

  2231. 

  2232.         if (label == nullptr && label[0] != '\0')

  2233.         {

  2234.             pData->engine->setLastError("null label");

  2235.             return false;

  2236.         }

  2237. 

  2238.         // ---------------------------------------------------------------

  2239.         // get descriptor that matches label

  2240. 

  2241.         for (LinkedList<const NativePluginDescriptor*>::Itenerator it = gPluginDescriptors.begin(); it.valid(); it.next())

  2242.         {

  2243.             fDescriptor = it.getValue();

  2244. 

  2245.             CARLA_SAFE_ASSERT_BREAK(fDescriptor != nullptr);

  2246. 

  2247.             carla_debug("Check vs \"%s\"", fDescriptor->label);

  2248. 

  2249.             if (fDescriptor->label != nullptr && std::strcmp(fDescriptor->label, label) == 0)

  2250.                 break;

  2251. 

  2252.             fDescriptor = nullptr;

  2253.         }

  2254. 

  2255.         if (fDescriptor == nullptr)

  2256.         {

  2257.             pData->engine->setLastError("Invalid internal plugin");

  2258.             return false;

  2259.         }

  2260. 

  2261.         // ---------------------------------------------------------------

  2262.         // set icon

  2263. 

  2264.         if (std::strcmp(fDescriptor->label, "audiofile") == 0)

  2265.             pData->iconName = carla_strdup("file");

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

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

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

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

  2270. 

  2271.         else if (std::strcmp(fDescriptor->label, "3BandEQ") == 0)

  2272.             pData->iconName = carla_strdup("distrho");

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

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

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

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

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

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

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

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

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

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

  2283. 

  2284.         // ---------------------------------------------------------------

  2285.         // get info

  2286. 

  2287.         if (name != nullptr && name[0] != '\0')

  2288.             pData->name = pData->engine->getUniquePluginName(name);

  2289.         else if (fDescriptor->name != nullptr && fDescriptor->name[0] != '\0')

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

  2291.         else

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

  2293. 

  2294.         {

  2295.             CARLA_ASSERT(fHost.uiName == nullptr);

  2296. 

  2297.             char uiName[std::strlen(pData->name)+6+1];

  2298.             std::strcpy(uiName, pData->name);

  2299.             std::strcat(uiName, " (GUI)");

  2300. 

  2301.             fHost.uiName = carla_strdup(uiName);

  2302.         }

  2303. 

  2304.         // ---------------------------------------------------------------

  2305.         // register client

  2306. 

  2307.         pData->client = pData->engine->addClient(this);

  2308. 

  2309.         if (pData->client == nullptr || ! pData->client->isOk())

  2310.         {

  2311.             pData->engine->setLastError("Failed to register plugin client");

  2312.             return false;

  2313.         }

  2314. 

  2315.         // ---------------------------------------------------------------

  2316.         // initialize plugin

  2317. 

  2318.         fHandle = fDescriptor->instantiate(&fHost);

  2319. 

  2320.         if (fHandle == nullptr)

  2321.         {

  2322.             pData->engine->setLastError("Plugin failed to initialize");

  2323.             return false;

  2324.         }

  2325. 

  2326.         // ---------------------------------------------------------------

  2327.         // load plugin settings

  2328. 

  2329.         {

  2330.             const bool hasMidiProgs(fDescriptor->get_midi_program_count != nullptr && fDescriptor->get_midi_program_count(fHandle) > 0);

  2331. 

  2332.             // set default options

  2333.             pData->options = 0x0;

  2334. 

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

  2336.                 pData->options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  2337. 

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

  2339.                 pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;

  2340. 

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

  2342.                 pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  2343. 

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

  2345.                 pData->options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

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

  2347.                 pData->options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

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

  2349.                 pData->options |= PLUGIN_OPTION_SEND_PITCHBEND;

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

  2351.                 pData->options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  2352. 

  2353. #ifndef BUILD_BRIDGE

  2354.             // set identifier string

  2355.             CarlaString identifier("Native/");

  2356.             identifier += label;

  2357.             pData->identifier = identifier.dup();

  2358. 

  2359.             // load settings

  2360.             pData->options = pData->loadSettings(pData->options, getOptionsAvailable());

  2361. 

  2362.             // ignore settings, we need this anyway

  2363.             if (getMidiInCount() > 0 || (fDescriptor->hints & ::PLUGIN_NEEDS_FIXED_BUFFERS) != 0)

  2364.                 pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;

  2365. #endif

  2366.         }

  2367. 

  2368.         return true;

  2369.     }

  2370. 

  2371. 

  2372. private:

  2373.     NativePluginHandle   fHandle;

  2374.     NativePluginHandle   fHandle2;

  2375.     NativeHostDescriptor fHost;

  2376.     const NativePluginDescriptor* fDescriptor;

  2377. 

  2378.     bool fIsProcessing;

  2379.     bool fIsUiVisible;

  2380. 

  2381.     float**         fAudioInBuffers;

  2382.     float**         fAudioOutBuffers;

  2383.     uint32_t        fMidiEventCount;

  2384.     NativeMidiEvent fMidiEvents[kPluginMaxMidiEvents*2];

  2385. 

  2386.     int32_t fCurMidiProgs[MAX_MIDI_CHANNELS];

  2387. 

  2388.     NativePluginMidiData fMidiIn;

  2389.     NativePluginMidiData fMidiOut;

  2390. 

  2391.     NativeTimeInfo fTimeInfo;

  2392. 

  2393.     // -------------------------------------------------------------------

  2394. 

  2395.     #define handlePtr ((NativePlugin*)handle)

  2396. 

  2397.     static uint32_t carla_host_get_buffer_size(NativeHostHandle handle) noexcept

  2398.     {

  2399.         return handlePtr->handleGetBufferSize();

  2400.     }

  2401. 

  2402.     static double carla_host_get_sample_rate(NativeHostHandle handle) noexcept

  2403.     {

  2404.         return handlePtr->handleGetSampleRate();

  2405.     }

  2406. 

  2407.     static bool carla_host_is_offline(NativeHostHandle handle) noexcept

  2408.     {

  2409.         return handlePtr->handleIsOffline();

  2410.     }

  2411. 

  2412.     static const NativeTimeInfo* carla_host_get_time_info(NativeHostHandle handle) noexcept

  2413.     {

  2414.         return handlePtr->handleGetTimeInfo();

  2415.     }

  2416. 

  2417.     static bool carla_host_write_midi_event(NativeHostHandle handle, const NativeMidiEvent* event)

  2418.     {

  2419.         return handlePtr->handleWriteMidiEvent(event);

  2420.     }

  2421. 

  2422.     static void carla_host_ui_parameter_changed(NativeHostHandle handle, uint32_t index, float value)

  2423.     {

  2424.         handlePtr->handleUiParameterChanged(index, value);

  2425.     }

  2426. 

  2427.     static void carla_host_ui_custom_data_changed(NativeHostHandle handle, const char* key, const char* value)

  2428.     {

  2429.         handlePtr->handleUiCustomDataChanged(key, value);

  2430.     }

  2431. 

  2432.     static void carla_host_ui_closed(NativeHostHandle handle)

  2433.     {

  2434.         handlePtr->handleUiClosed();

  2435.     }

  2436. 

  2437.     static const char* carla_host_ui_open_file(NativeHostHandle handle, bool isDir, const char* title, const char* filter)

  2438.     {

  2439.         return handlePtr->handleUiOpenFile(isDir, title, filter);

  2440.     }

  2441. 

  2442.     static const char* carla_host_ui_save_file(NativeHostHandle handle, bool isDir, const char* title, const char* filter)

  2443.     {

  2444.         return handlePtr->handleUiSaveFile(isDir, title, filter);

  2445.     }

  2446. 

  2447.     static intptr_t carla_host_dispatcher(NativeHostHandle handle, NativeHostDispatcherOpcode opcode, int32_t index, intptr_t value, void* ptr, float opt)

  2448.     {

  2449.         return handlePtr->handleDispatcher(opcode, index, value, ptr, opt);

  2450.     }

  2451. 

  2452.     #undef handlePtr

  2453. 

  2454.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(NativePlugin)

  2455. };

  2456. 

  2457. CARLA_BACKEND_END_NAMESPACE

  2458. 

  2459. #endif // WANT_NATIVE

  2460. 

  2461. // -----------------------------------------------------------------------

  2462. 

  2463. CARLA_BACKEND_START_NAMESPACE

  2464. 

  2465. #ifdef WANT_NATIVE

  2466. size_t CarlaPlugin::getNativePluginCount() noexcept

  2467. {

  2468.     return NativePlugin::getPluginCount();

  2469. }

  2470. 

  2471. const NativePluginDescriptor* CarlaPlugin::getNativePluginDescriptor(const size_t index) noexcept

  2472. {

  2473.     return NativePlugin::getPluginDescriptor(index);

  2474. }

  2475. #endif

  2476. 

  2477. // -----------------------------------------------------------------------

  2478. 

  2479. CarlaPlugin* CarlaPlugin::newNative(const Initializer& init)

  2480. {

  2481.     carla_debug("CarlaPlugin::newNative({%p, \"%s\", \"%s\", \"%s\", " P_INT64 "})", init.engine, init.filename, init.name, init.label, init.uniqueId);

  2482. 

  2483. #ifdef WANT_NATIVE

  2484.     NativePlugin* const plugin(new NativePlugin(init.engine, init.id));

  2485. 

  2486.     if (! plugin->init(init.name, init.label))

  2487.     {

  2488.         delete plugin;

  2489.         return nullptr;

  2490.     }

  2491. 

  2492.     plugin->reload();

  2493. 

  2494.     if (init.engine->getProccessMode() == ENGINE_PROCESS_MODE_CONTINUOUS_RACK && ! plugin->canRunInRack())

  2495.     {

  2496.         init.engine->setLastError("Carla's rack mode can only work with Mono or Stereo Internal plugins, sorry!");

  2497.         delete plugin;

  2498.         return nullptr;

  2499.     }

  2500. 

  2501.     return plugin;

  2502. #else

  2503.     init.engine->setLastError("Internal plugins support not available");

  2504.     return nullptr;

  2505. #endif

  2506. }

  2507. 

  2508. CARLA_BACKEND_END_NAMESPACE

  2509. 

  2510. // -----------------------------------------------------------------------