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

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  1. /*

  2.  * Carla Native Plugin

  3.  * Copyright (C) 2012-2013 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. 

  20. #ifdef WANT_NATIVE

  21. 

  22. #include "CarlaNative.h"

  23. 

  24. CARLA_BACKEND_START_NAMESPACE

  25. 

  26. #if 0

  27. }

  28. #endif

  29. 

  30. struct NativePluginMidiData {

  31.     uint32_t  count;

  32.     uint32_t* indexes;

  33.     CarlaEngineEventPort** ports;

  34. 

  35.     NativePluginMidiData()

  36.         : count(0),

  37.           indexes(nullptr),

  38.           ports(nullptr) {}

  39. 

  40.     ~NativePluginMidiData()

  41.     {

  42.         CARLA_ASSERT_INT(count == 0, count);

  43.         CARLA_ASSERT(ports == nullptr);

  44.         CARLA_ASSERT(indexes == nullptr);

  45.     }

  46. 

  47.     void createNew(const uint32_t newCount)

  48.     {

  49.         CARLA_ASSERT_INT(count == 0, count);

  50.         CARLA_ASSERT(ports == nullptr);

  51.         CARLA_ASSERT(indexes == nullptr);

  52.         CARLA_ASSERT_INT(newCount > 0, newCount);

  53. 

  54.         if (ports != nullptr || indexes != nullptr || newCount == 0)

  55.             return;

  56. 

  57.         ports   = new CarlaEngineEventPort*[newCount];

  58.         indexes = new uint32_t[newCount];

  59.         count   = newCount;

  60. 

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

  62.             ports[i] = nullptr;

  63. 

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

  65.             indexes[i] = 0;

  66.     }

  67. 

  68.     void clear()

  69.     {

  70.         if (ports != nullptr)

  71.         {

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

  73.             {

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

  75.                 {

  76.                     delete ports[i];

  77.                     ports[i] = nullptr;

  78.                 }

  79.             }

  80. 

  81.             delete[] ports;

  82.             ports = nullptr;

  83.         }

  84. 

  85.         if (indexes != nullptr)

  86.         {

  87.             delete[] indexes;

  88.             indexes = nullptr;

  89.         }

  90. 

  91.         count = 0;

  92.     }

  93. 

  94.     void initBuffers()

  95.     {

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

  97.         {

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

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

  100.         }

  101.     }

  102. 

  103.     CARLA_DECLARE_NON_COPY_STRUCT(NativePluginMidiData)

  104. };

  105. 

  106. class NativePlugin : public CarlaPlugin

  107. {

  108. public:

  109.     NativePlugin(CarlaEngine* const engine, const unsigned int id)

  110.         : CarlaPlugin(engine, id),

  111.           fHandle(nullptr),

  112.           fHandle2(nullptr),

  113.           fDescriptor(nullptr),

  114.           fIsProcessing(false),

  115.           fIsUiVisible(false),

  116.           fAudioInBuffers(nullptr),

  117.           fAudioOutBuffers(nullptr),

  118.           fMidiEventCount(0)

  119.     {

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

  121. 

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

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

  124.         carla_zeroStruct<NativeTimeInfo>(fTimeInfo);

  125. 

  126.         fHost.handle      = this;

  127.         fHost.resourceDir = carla_strdup((const char*)engine->getOptions().resourceDir);

  128.         fHost.uiName      = nullptr;

  129. 

  130.         fHost.get_buffer_size        = carla_host_get_buffer_size;

  131.         fHost.get_sample_rate        = carla_host_get_sample_rate;

  132.         fHost.is_offline             = carla_host_is_offline;

  133.         fHost.get_time_info          = carla_host_get_time_info;

  134.         fHost.write_midi_event       = carla_host_write_midi_event;

  135.         fHost.ui_parameter_changed   = carla_host_ui_parameter_changed;

  136.         fHost.ui_custom_data_changed = carla_host_ui_custom_data_changed;

  137.         fHost.ui_closed              = carla_host_ui_closed;

  138.         fHost.ui_open_file           = carla_host_ui_open_file;

  139.         fHost.ui_save_file           = carla_host_ui_save_file;

  140.         fHost.dispatcher             = carla_host_dispatcher;

  141.     }

  142. 

  143.     ~NativePlugin() override

  144.     {

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

  146. 

  147.         // close UI

  148.         if (fHints & PLUGIN_HAS_UI)

  149.         {

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

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

  152.         }

  153. 

  154.         pData->singleMutex.lock();

  155.         pData->masterMutex.lock();

  156. 

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

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

  159. 

  160.         CARLA_ASSERT(! fIsProcessing);

  161. 

  162.         if (pData->active)

  163.         {

  164.             deactivate();

  165.             pData->active = false;

  166.         }

  167. 

  168.         if (fDescriptor != nullptr)

  169.         {

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

  171.             {

  172.                 if (fHandle != nullptr)

  173.                     fDescriptor->cleanup(fHandle);

  174.                 if (fHandle2 != nullptr)

  175.                     fDescriptor->cleanup(fHandle2);

  176.             }

  177. 

  178.             fHandle  = nullptr;

  179.             fHandle2 = nullptr;

  180.             fDescriptor = nullptr;

  181.         }

  182. 

  183.         if (fHost.resourceDir != nullptr)

  184.         {

  185.             delete[] fHost.resourceDir;

  186.             fHost.resourceDir = nullptr;

  187.         }

  188. 

  189.         if (fHost.uiName != nullptr)

  190.         {

  191.             delete[] fHost.uiName;

  192.             fHost.uiName = nullptr;

  193.         }

  194. 

  195.         clearBuffers();

  196.     }

  197. 

  198.     // -------------------------------------------------------------------

  199.     // Information (base)

  200. 

  201.     PluginType getType() const noexcept override

  202.     {

  203.         return PLUGIN_INTERNAL;

  204.     }

  205. 

  206.     PluginCategory getCategory() const override

  207.     {

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

  209. 

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

  211.     }

  212. 

  213.     // -------------------------------------------------------------------

  214.     // Information (count)

  215. 

  216.     uint32_t getMidiInCount() const noexcept override

  217.     {

  218.         return fMidiIn.count;

  219.     }

  220. 

  221.     uint32_t getMidiOutCount() const noexcept override

  222.     {

  223.         return fMidiOut.count;

  224.     }

  225. 

  226.     uint32_t getParameterScalePointCount(const uint32_t parameterId) const override

  227.     {

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

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

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

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

  232. 

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

  234.             return param->scalePointCount;

  235. 

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

  237.         return 0;

  238.     }

  239. 

  240.     // -------------------------------------------------------------------

  241.     // Information (current data)

  242. 

  243.     // nothing

  244. 

  245.     // -------------------------------------------------------------------

  246.     // Information (per-plugin data)

  247. 

  248.     unsigned int getOptionsAvailable() const override

  249.     {

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

  251. 

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

  253. 

  254.         unsigned int options = 0x0;

  255. 

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

  257.             options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  258. 

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

  260.             options |= PLUGIN_OPTION_FIXED_BUFFERS;

  261. 

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

  263.         {

  264.             if (fOptions & PLUGIN_OPTION_FORCE_STEREO)

  265.                 options |= PLUGIN_OPTION_FORCE_STEREO;

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

  267.                 options |= PLUGIN_OPTION_FORCE_STEREO;

  268.         }

  269. 

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

  271.             options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

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

  273.             options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

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

  275.             options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

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

  277.             options |= PLUGIN_OPTION_SEND_PITCHBEND;

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

  279.             options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  280. 

  281.         return options;

  282.     }

  283. 

  284.     float getParameterValue(const uint32_t parameterId) const override

  285.     {

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

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

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

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

  290. 

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

  292.     }

  293. 

  294.     float getParameterScalePointValue(const uint32_t parameterId, const uint32_t scalePointId) const override

  295.     {

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

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

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

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

  300.         CARLA_SAFE_ASSERT_RETURN(scalePointId < getParameterScalePointCount(parameterId), 0.0f);

  301. 

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

  303.         {

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

  305.             return scalePoint->value;

  306.         }

  307. 

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

  309.         return 0.0f;

  310.     }

  311. 

  312.     void getLabel(char* const strBuf) const override

  313.     {

  314.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  315. 

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

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

  318.         else

  319.             CarlaPlugin::getLabel(strBuf);

  320.     }

  321. 

  322.     void getMaker(char* const strBuf) const override

  323.     {

  324.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  325. 

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

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

  328.         else

  329.             CarlaPlugin::getMaker(strBuf);

  330.     }

  331. 

  332.     void getCopyright(char* const strBuf) const override

  333.     {

  334.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  335. 

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

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

  338.         else

  339.             CarlaPlugin::getCopyright(strBuf);

  340.     }

  341. 

  342.     void getRealName(char* const strBuf) const override

  343.     {

  344.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  345. 

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

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

  348.         else

  349.             CarlaPlugin::getRealName(strBuf);

  350.     }

  351. 

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

  353.     {

  354.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

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

  356.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  358. 

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

  360.         {

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

  362.             {

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

  364.                 return;

  365.             }

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

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

  368.         }

  369. 

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

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

  372.     }

  373. 

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

  375.     {

  376.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

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

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

  379.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  381. 

  382.         const float value(fDescriptor->get_parameter_value(fHandle, parameterId));

  383. 

  384.         if (const char* const text = fDescriptor->get_parameter_text(fHandle, parameterId, value))

  385.         {

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

  387.             return;

  388.         }

  389. 

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

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

  392.     }

  393. 

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

  395.     {

  396.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

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

  398.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  400. 

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

  402.         {

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

  404.             {

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

  406.                 return;

  407.             }

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

  409.         }

  410. 

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

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

  413.     }

  414. 

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

  416.     {

  417.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

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

  419.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  421.         CARLA_SAFE_ASSERT_RETURN(scalePointId < getParameterScalePointCount(parameterId),);

  422. 

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

  424.         {

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

  426. 

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

  428.             {

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

  430.                 return;

  431.             }

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

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

  434.         }

  435. 

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

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

  438.     }

  439. 

  440.     // -------------------------------------------------------------------

  441.     // Set data (state)

  442. 

  443.     void prepareForSave() override

  444.     {

  445.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  446.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  447. 

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

  449.         {

  450.             char strBuf[STR_MAX+1];

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

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

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

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

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

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

  457. 

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

  459.         }

  460. 

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

  462.             return;

  463. 

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

  465.         {

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

  467.             std::free(data);

  468.         }

  469.     }

  470. 

  471.     // -------------------------------------------------------------------

  472.     // Set data (internal stuff)

  473. 

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

  475.     {

  476.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  477.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  479. 

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

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

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

  483. 

  484.         if (fHost.uiName != nullptr)

  485.             delete[] fHost.uiName;

  486.         fHost.uiName = carla_strdup(uiName);

  487. 

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

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

  490. 

  491.         CarlaPlugin::setName(newName);

  492.     }

  493. 

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

  495.     {

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

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

  498. 

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

  500.     }

  501. 

  502.     // -------------------------------------------------------------------

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

  504. 

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

  506.     {

  507.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

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

  509.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  511. 

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

  513. 

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

  515. 

  516.         if (fHandle2 != nullptr)

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

  518. 

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

  520.     }

  521. 

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

  523.     {

  524.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  525.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

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

  528.         CARLA_SAFE_ASSERT_RETURN(value != nullptr,);

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

  530. 

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

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

  533. 

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

  535.         {

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

  537.             {

  538.                 const ScopedSingleProcessLocker spl(this, true);

  539. 

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

  541. 

  542.                 if (fHandle2 != nullptr)

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

  544.             }

  545.         }

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

  547.         {

  548. #if 0 // TODO

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

  550. 

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

  552.             {

  553.                 uint i = 0;

  554.                 foreach (const QString& midiProg, midiProgramList)

  555.                 {

  556.                     bool ok;

  557.                     const uint index(midiProg.toUInt(&ok));

  558. 

  559.                     if (ok && index < pData->midiprog.count)

  560.                     {

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

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

  563. 

  564.                         fDescriptor->set_midi_program(fHandle, i, bank, program);

  565. 

  566.                         if (fHandle2 != nullptr)

  567.                             fDescriptor->set_midi_program(fHandle2, i, bank, program);

  568. 

  569.                         fCurMidiProgs[i] = index;

  570. 

  571.                         if (pData->ctrlChannel == static_cast<int32_t>(i))

  572.                         {

  573.                             pData->midiprog.current = index;

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

  575.                         }

  576.                     }

  577. 

  578.                     ++i;

  579.                 }

  580.             }

  581. #endif

  582.         }

  583.         else

  584.         {

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

  586.             {

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

  588. 

  589.                 if (fHandle2 != nullptr)

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

  591.             }

  592. 

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

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

  595.         }

  596. 

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

  598.     }

  599. 

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

  601.     {

  602.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  603.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  605. 

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

  607.            return;

  608. 

  609.         if (index >= 0)

  610.         {

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

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

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

  614. 

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

  616. 

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

  618. 

  619.             if (fHandle2 != nullptr)

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

  621. 

  622.             fCurMidiProgs[channel] = index;

  623.         }

  624. 

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

  626.     }

  627. 

  628.     // -------------------------------------------------------------------

  629.     // Set gui stuff

  630. 

  631.     void showCustomUI(const bool yesNo) override

  632.     {

  633.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  634.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  635. 

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

  637.             return;

  638. 

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

  640.         fIsUiVisible = yesNo;

  641. 

  642.         if (! yesNo)

  643.             return;

  644. 

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

  646.         {

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

  648.             {

  649.                 const CustomData& cData(*it);

  650. 

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

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

  653.             }

  654.         }

  655. 

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

  657.         {

  658.             const uint32_t index   = pData->midiprog.current;

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

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

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

  662. 

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

  664.         }

  665. 

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

  667.         {

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

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

  670.         }

  671.     }

  672. 

  673.     void idle() override

  674.     {

  675.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  676.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  677. 

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

  679.             fDescriptor->ui_idle(fHandle);

  680. 

  681.         CarlaPlugin::idle();

  682.     }

  683. 

  684.     // -------------------------------------------------------------------

  685.     // Plugin state

  686. 

  687.     void reload() override

  688.     {

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

  690.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  691.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  693. 

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

  695. 

  696.         // Safely disable plugin for reload

  697.         const ScopedDisabler sd(this);

  698. 

  699.         if (pData->active)

  700.             deactivate();

  701. 

  702.         clearBuffers();

  703. 

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

  705. 

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

  707. 

  708.         bool forcedStereoIn, forcedStereoOut;

  709.         forcedStereoIn = forcedStereoOut = false;

  710. 

  711.         bool needsCtrlIn, needsCtrlOut;

  712.         needsCtrlIn = needsCtrlOut = false;

  713. 

  714.         aIns   = fDescriptor->audioIns;

  715.         aOuts  = fDescriptor->audioOuts;

  716.         mIns   = fDescriptor->midiIns;

  717.         mOuts  = fDescriptor->midiOuts;

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

  719. 

  720.         if ((fOptions & PLUGIN_OPTION_FORCE_STEREO) != 0 && (aIns == 1 || aOuts == 1) && mIns <= 1 && mOuts <= 1)

  721.         {

  722.             if (fHandle2 == nullptr)

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

  724. 

  725.             if (fHandle2 != nullptr)

  726.             {

  727.                 if (aIns == 1)

  728.                 {

  729.                     aIns = 2;

  730.                     forcedStereoIn = true;

  731.                 }

  732. 

  733.                 if (aOuts == 1)

  734.                 {

  735.                     aOuts = 2;

  736.                     forcedStereoOut = true;

  737.                 }

  738.             }

  739.         }

  740. 

  741.         if (aIns > 0)

  742.         {

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

  744.             fAudioInBuffers = new float*[aIns];

  745. 

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

  747.                 fAudioInBuffers[i] = nullptr;

  748.         }

  749. 

  750.         if (aOuts > 0)

  751.         {

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

  753.             fAudioOutBuffers = new float*[aOuts];

  754.             needsCtrlIn = true;

  755. 

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

  757.                 fAudioOutBuffers[i] = nullptr;

  758.         }

  759. 

  760.         if (mIns > 0)

  761.         {

  762.             fMidiIn.createNew(mIns);

  763.             needsCtrlIn = (mIns == 1);

  764.         }

  765. 

  766.         if (mOuts > 0)

  767.         {

  768.             fMidiOut.createNew(mOuts);

  769.             needsCtrlOut = (mOuts == 1);

  770.         }

  771. 

  772.         if (params > 0)

  773.         {

  774.             pData->param.createNew(params);

  775.         }

  776. 

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

  778.         CarlaString portName;

  779. 

  780.         // Audio Ins

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

  782.         {

  783.             portName.clear();

  784. 

  785.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  786.             {

  787.                 portName  = fName;

  788.                 portName += ":";

  789.             }

  790. 

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

  792.             {

  793.                 portName += "input_";

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

  795.             }

  796.             else

  797.                 portName += "input";

  798. 

  799.             portName.truncate(portNameSize);

  800. 

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

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

  803. 

  804.             if (forcedStereoIn)

  805.             {

  806.                 portName += "_2";

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

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

  809.                 break;

  810.             }

  811.         }

  812. 

  813.         // Audio Outs

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

  815.         {

  816.             portName.clear();

  817. 

  818.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  819.             {

  820.                 portName  = fName;

  821.                 portName += ":";

  822.             }

  823. 

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

  825.             {

  826.                 portName += "output_";

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

  828.             }

  829.             else

  830.                 portName += "output";

  831. 

  832.             portName.truncate(portNameSize);

  833. 

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

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

  836. 

  837.             if (forcedStereoOut)

  838.             {

  839.                 portName += "_2";

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

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

  842.                 break;

  843.             }

  844.         }

  845. 

  846.         // MIDI Input (only if multiple)

  847.         if (mIns > 1)

  848.         {

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

  850.             {

  851.                 portName.clear();

  852. 

  853.                 if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  854.                 {

  855.                     portName  = fName;

  856.                     portName += ":";

  857.                 }

  858. 

  859.                 portName += "midi-in_";

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

  861.                 portName.truncate(portNameSize);

  862. 

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

  864.                 fMidiIn.indexes[j] = j;

  865.             }

  866.         }

  867. 

  868.         // MIDI Output (only if multiple)

  869.         if (mOuts > 1)

  870.         {

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

  872.             {

  873.                 portName.clear();

  874. 

  875.                 if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  876.                 {

  877.                     portName  = fName;

  878.                     portName += ":";

  879.                 }

  880. 

  881.                 portName += "midi-out_";

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

  883.                 portName.truncate(portNameSize);

  884. 

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

  886.                 fMidiOut.indexes[j] = j;

  887.             }

  888.         }

  889. 

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

  891.         {

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

  893. 

  894.             CARLA_SAFE_ASSERT_CONTINUE(paramInfo != nullptr);

  895. 

  896.             pData->param.data[j].index  = j;

  897.             pData->param.data[j].rindex = j;

  898.             pData->param.data[j].hints  = 0x0;

  899.             pData->param.data[j].midiChannel = 0;

  900.             pData->param.data[j].midiCC = -1;

  901. 

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

  903. 

  904.             // min value

  905.             min = paramInfo->ranges.min;

  906. 

  907.             // max value

  908.             max = paramInfo->ranges.max;

  909. 

  910.             if (min > max)

  911.                 max = min;

  912.             else if (max < min)

  913.                 min = max;

  914. 

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

  916.             {

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

  918.                 max = min + 0.1f;

  919.             }

  920. 

  921.             // default value

  922.             def = paramInfo->ranges.def;

  923. 

  924.             if (def < min)

  925.                 def = min;

  926.             else if (def > max)

  927.                 def = max;

  928. 

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

  930.             {

  931.                 min *= sampleRate;

  932.                 max *= sampleRate;

  933.                 def *= sampleRate;

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

  935.             }

  936. 

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

  938.             {

  939.                 step = max - min;

  940.                 stepSmall = step;

  941.                 stepLarge = step;

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

  943.             }

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

  945.             {

  946.                 step = 1.0f;

  947.                 stepSmall = 1.0f;

  948.                 stepLarge = 10.0f;

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

  950.             }

  951.             else

  952.             {

  953.                 float range = max - min;

  954.                 step = range/100.0f;

  955.                 stepSmall = range/1000.0f;

  956.                 stepLarge = range/10.0f;

  957.             }

  958. 

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

  960.             {

  961.                 needsCtrlOut = true;

  962.             }

  963.             else

  964.             {

  965.                 pData->param.data[j].hints |= PARAMETER_IS_INPUT;

  966.                 needsCtrlIn = true;

  967.             }

  968. 

  969.             // extra parameter hints

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

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

  972. 

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

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

  975. 

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

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

  978. 

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

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

  981. 

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

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

  984. 

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

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

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

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

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

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

  991.         }

  992. 

  993.         if (needsCtrlIn)

  994.         {

  995.             portName.clear();

  996. 

  997.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  998.             {

  999.                 portName  = fName;

  1000.                 portName += ":";

  1001.             }

  1002. 

  1003.             portName += "events-in";

  1004.             portName.truncate(portNameSize);

  1005. 

  1006.             pData->event.portIn = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, true);

  1007.         }

  1008. 

  1009.         if (needsCtrlOut)

  1010.         {

  1011.             portName.clear();

  1012. 

  1013.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1014.             {

  1015.                 portName  = fName;

  1016.                 portName += ":";

  1017.             }

  1018. 

  1019.             portName += "events-out";

  1020.             portName.truncate(portNameSize);

  1021. 

  1022.             pData->event.portOut = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, false);

  1023.         }

  1024. 

  1025.         if (forcedStereoIn || forcedStereoOut)

  1026.             fOptions |= PLUGIN_OPTION_FORCE_STEREO;

  1027.         else

  1028.             fOptions &= ~PLUGIN_OPTION_FORCE_STEREO;

  1029. 

  1030.         // plugin hints

  1031.         fHints = 0x0;

  1032. 

  1033.         if (aOuts > 0 && (aIns == aOuts || aIns == 1))

  1034.             fHints |= PLUGIN_CAN_DRYWET;

  1035. 

  1036.         if (aOuts > 0)

  1037.             fHints |= PLUGIN_CAN_VOLUME;

  1038. 

  1039.         if (aOuts >= 2 && aOuts % 2 == 0)

  1040.             fHints |= PLUGIN_CAN_BALANCE;

  1041. 

  1042.         // native plugin hints

  1043.         if (fDescriptor->hints & ::PLUGIN_IS_RTSAFE)

  1044.             fHints |= PLUGIN_IS_RTSAFE;

  1045.         if (fDescriptor->hints & ::PLUGIN_IS_SYNTH)

  1046.             fHints |= PLUGIN_IS_SYNTH;

  1047.         if (fDescriptor->hints & ::PLUGIN_HAS_UI)

  1048.             fHints |= PLUGIN_HAS_CUSTOM_UI;

  1049.         if (fDescriptor->hints & ::PLUGIN_NEEDS_SINGLE_THREAD)

  1050.             fHints |= PLUGIN_NEEDS_SINGLE_THREAD;

  1051.         if (fDescriptor->hints & ::PLUGIN_NEEDS_FIXED_BUFFERS)

  1052.             fHints |= PLUGIN_NEEDS_FIXED_BUFFERS;

  1053. 

  1054.         // extra plugin hints

  1055.         pData->extraHints = 0x0;

  1056. 

  1057.         if (aIns <= 2 && aOuts <= 2 && (aIns == aOuts || aIns == 0 || aOuts == 0) && mIns <= 1 && mOuts <= 1)

  1058.             pData->extraHints |= PLUGIN_EXTRA_HINT_CAN_RUN_RACK;

  1059. 

  1060.         bufferSizeChanged(pData->engine->getBufferSize());

  1061.         reloadPrograms(true);

  1062. 

  1063.         if (pData->active)

  1064.             activate();

  1065. 

  1066.         carla_debug("NativePlugin::reload() - end");

  1067.     }

  1068. 

  1069.     void reloadPrograms(const bool init) override

  1070.     {

  1071.         carla_debug("NativePlugin::reloadPrograms(%s)", bool2str(init));

  1072.         uint32_t i, oldCount  = pData->midiprog.count;

  1073.         const int32_t current = pData->midiprog.current;

  1074. 

  1075.         // Delete old programs

  1076.         pData->midiprog.clear();

  1077. 

  1078.         // Query new programs

  1079.         uint32_t count = 0;

  1080.         if (fDescriptor->get_midi_program_count != nullptr && fDescriptor->get_midi_program_info != nullptr && fDescriptor->set_midi_program != nullptr)

  1081.             count = fDescriptor->get_midi_program_count(fHandle);

  1082. 

  1083.         if (count > 0)

  1084.         {

  1085.             pData->midiprog.createNew(count);

  1086. 

  1087.             // Update data

  1088.             for (i=0; i < count; ++i)

  1089.             {

  1090.                 const NativeMidiProgram* const mpDesc(fDescriptor->get_midi_program_info(fHandle, i));

  1091.                 CARLA_ASSERT(mpDesc != nullptr);

  1092.                 CARLA_ASSERT(mpDesc->name != nullptr);

  1093. 

  1094.                 pData->midiprog.data[i].bank    = mpDesc->bank;

  1095.                 pData->midiprog.data[i].program = mpDesc->program;

  1096.                 pData->midiprog.data[i].name    = carla_strdup(mpDesc->name);

  1097.             }

  1098.         }

  1099. 

  1100. #ifndef BUILD_BRIDGE

  1101.         // Update OSC Names

  1102.         if (pData->engine->isOscControlRegistered())

  1103.         {

  1104.             pData->engine->oscSend_control_set_midi_program_count(fId, count);

  1105. 

  1106.             for (i=0; i < count; ++i)

  1107.                 pData->engine->oscSend_control_set_midi_program_data(fId, i, pData->midiprog.data[i].bank, pData->midiprog.data[i].program, pData->midiprog.data[i].name);

  1108.         }

  1109. #endif

  1110. 

  1111.         if (init)

  1112.         {

  1113.             if (count > 0)

  1114.                 setMidiProgram(0, false, false, false);

  1115.         }

  1116.         else

  1117.         {

  1118.             // Check if current program is invalid

  1119.             bool programChanged = false;

  1120. 

  1121.             if (count == oldCount+1)

  1122.             {

  1123.                 // one midi program added, probably created by user

  1124.                 pData->midiprog.current = oldCount;

  1125.                 programChanged = true;

  1126.             }

  1127.             else if (current < 0 && count > 0)

  1128.             {

  1129.                 // programs exist now, but not before

  1130.                 pData->midiprog.current = 0;

  1131.                 programChanged = true;

  1132.             }

  1133.             else if (current >= 0 && count == 0)

  1134.             {

  1135.                 // programs existed before, but not anymore

  1136.                 pData->midiprog.current = -1;

  1137.                 programChanged = true;

  1138.             }

  1139.             else if (current >= static_cast<int32_t>(count))

  1140.             {

  1141.                 // current midi program > count

  1142.                 pData->midiprog.current = 0;

  1143.                 programChanged = true;

  1144.             }

  1145.             else

  1146.             {

  1147.                 // no change

  1148.                 pData->midiprog.current = current;

  1149.             }

  1150. 

  1151.             if (programChanged)

  1152.                 setMidiProgram(pData->midiprog.current, true, true, true);

  1153. 

  1154.             pData->engine->callback(ENGINE_CALLBACK_RELOAD_PROGRAMS, fId, 0, 0, 0.0f, nullptr);

  1155.         }

  1156.     }

  1157. 

  1158.     // -------------------------------------------------------------------

  1159.     // Plugin processing

  1160. 

  1161.     void activate() override

  1162.     {

  1163.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1164.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  1165. 

  1166.         if (fDescriptor->activate != nullptr)

  1167.         {

  1168.             fDescriptor->activate(fHandle);

  1169. 

  1170.             if (fHandle2 != nullptr)

  1171.                 fDescriptor->activate(fHandle2);

  1172.         }

  1173.     }

  1174. 

  1175.     void deactivate() override

  1176.     {

  1177.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1178.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  1179. 

  1180.         if (fDescriptor->deactivate != nullptr)

  1181.         {

  1182.             fDescriptor->deactivate(fHandle);

  1183. 

  1184.             if (fHandle2 != nullptr)

  1185.                 fDescriptor->deactivate(fHandle2);

  1186.         }

  1187.     }

  1188. 

  1189.     void process(float** const inBuffer, float** const outBuffer, const uint32_t frames) override

  1190.     {

  1191.         uint32_t i, k;

  1192. 

  1193.         // --------------------------------------------------------------------------------------------------------

  1194.         // Check if active

  1195. 

  1196.         if (! pData->active)

  1197.         {

  1198.             // disable any output sound

  1199.             for (i=0; i < pData->audioOut.count; ++i)

  1200.             {

  1201. #ifdef USE_JUCE

  1202.                 FloatVectorOperations::clear(outBuffer[i], frames);

  1203. #else

  1204. #endif

  1205.             }

  1206. 

  1207.             return;

  1208.         }

  1209. 

  1210.         fMidiEventCount = 0;

  1211.         carla_zeroStruct<NativeMidiEvent>(fMidiEvents, kPluginMaxMidiEvents*2);

  1212. 

  1213.         // --------------------------------------------------------------------------------------------------------

  1214.         // Check if needs reset

  1215. 

  1216.         if (pData->needsReset)

  1217.         {

  1218.             if (fOptions & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1219.             {

  1220.                 for (k=0, i=MAX_MIDI_CHANNELS; k < MAX_MIDI_CHANNELS; ++k)

  1221.                 {

  1222.                     fMidiEvents[k].data[0] = MIDI_STATUS_CONTROL_CHANGE + k;

  1223.                     fMidiEvents[k].data[1] = MIDI_CONTROL_ALL_NOTES_OFF;

  1224.                     fMidiEvents[k].data[2] = 0;

  1225.                     fMidiEvents[k].size    = 3;

  1226. 

  1227.                     fMidiEvents[k+i].data[0] = MIDI_STATUS_CONTROL_CHANGE + k;

  1228.                     fMidiEvents[k+i].data[1] = MIDI_CONTROL_ALL_SOUND_OFF;

  1229.                     fMidiEvents[k+i].data[2] = 0;

  1230.                     fMidiEvents[k+i].size    = 3;

  1231.                 }

  1232. 

  1233.                 fMidiEventCount = MAX_MIDI_CHANNELS*2;

  1234.             }

  1235.             else if (pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1236.             {

  1237.                 for (k=0; k < MAX_MIDI_NOTE; ++k)

  1238.                 {

  1239.                     fMidiEvents[k].data[0] = MIDI_STATUS_NOTE_OFF + pData->ctrlChannel;

  1240.                     fMidiEvents[k].data[1] = k;

  1241.                     fMidiEvents[k].data[2] = 0;

  1242.                     fMidiEvents[k].size    = 3;

  1243.                 }

  1244. 

  1245.                 fMidiEventCount = MAX_MIDI_NOTE;

  1246.             }

  1247. 

  1248.             pData->needsReset = false;

  1249.         }

  1250. 

  1251.         CARLA_PROCESS_CONTINUE_CHECK;

  1252. 

  1253.         // --------------------------------------------------------------------------------------------------------

  1254.         // Set TimeInfo

  1255. 

  1256.         const EngineTimeInfo& timeInfo(pData->engine->getTimeInfo());

  1257. 

  1258.         fTimeInfo.playing = timeInfo.playing;

  1259.         fTimeInfo.frame   = timeInfo.frame;

  1260.         fTimeInfo.usecs   = timeInfo.usecs;

  1261. 

  1262.         if (timeInfo.valid & EngineTimeInfo::ValidBBT)

  1263.         {

  1264.             fTimeInfo.bbt.valid = true;

  1265. 

  1266.             fTimeInfo.bbt.bar  = timeInfo.bbt.bar;

  1267.             fTimeInfo.bbt.beat = timeInfo.bbt.beat;

  1268.             fTimeInfo.bbt.tick = timeInfo.bbt.tick;

  1269.             fTimeInfo.bbt.barStartTick = timeInfo.bbt.barStartTick;

  1270. 

  1271.             fTimeInfo.bbt.beatsPerBar = timeInfo.bbt.beatsPerBar;

  1272.             fTimeInfo.bbt.beatType    = timeInfo.bbt.beatType;

  1273. 

  1274.             fTimeInfo.bbt.ticksPerBeat   = timeInfo.bbt.ticksPerBeat;

  1275.             fTimeInfo.bbt.beatsPerMinute = timeInfo.bbt.beatsPerMinute;

  1276.         }

  1277.         else

  1278.             fTimeInfo.bbt.valid = false;

  1279. 

  1280.         CARLA_PROCESS_CONTINUE_CHECK;

  1281. 

  1282.         // --------------------------------------------------------------------------------------------------------

  1283.         // Event Input and Processing

  1284. 

  1285.         if (pData->event.portIn != nullptr)

  1286.         {

  1287.             // ----------------------------------------------------------------------------------------------------

  1288.             // MIDI Input (External)

  1289. 

  1290.             if (pData->extNotes.mutex.tryLock())

  1291.             {

  1292.                 while (fMidiEventCount < kPluginMaxMidiEvents*2 && ! pData->extNotes.data.isEmpty())

  1293.                 {

  1294.                     const ExternalMidiNote& note(pData->extNotes.data.getFirst(true));

  1295. 

  1296.                     CARLA_ASSERT(note.channel >= 0 && note.channel < MAX_MIDI_CHANNELS);

  1297. 

  1298.                     fMidiEvents[fMidiEventCount].data[0]  = (note.velo > 0) ? MIDI_STATUS_NOTE_ON : MIDI_STATUS_NOTE_OFF;

  1299.                     fMidiEvents[fMidiEventCount].data[0] += note.channel;

  1300.                     fMidiEvents[fMidiEventCount].data[1]  = note.note;

  1301.                     fMidiEvents[fMidiEventCount].data[2]  = note.velo;

  1302.                     fMidiEvents[fMidiEventCount].size     = 3;

  1303. 

  1304.                     fMidiEventCount += 1;

  1305.                 }

  1306. 

  1307.                 pData->extNotes.mutex.unlock();

  1308. 

  1309.             } // End of MIDI Input (External)

  1310. 

  1311.             // ----------------------------------------------------------------------------------------------------

  1312.             // Event Input (System)

  1313. 

  1314.             bool allNotesOffSent = false;

  1315.             bool sampleAccurate  = (fOptions & PLUGIN_OPTION_FIXED_BUFFERS) == 0;

  1316. 

  1317.             uint32_t time, nEvents = pData->event.portIn->getEventCount();

  1318.             uint32_t startTime  = 0;

  1319.             uint32_t timeOffset = 0;

  1320.             uint32_t nextBankId = 0;

  1321. 

  1322.             if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1323.                 nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1324. 

  1325.             for (i=0; i < nEvents; ++i)

  1326.             {

  1327.                 const EngineEvent& event(pData->event.portIn->getEvent(i));

  1328. 

  1329.                 time = event.time;

  1330. 

  1331.                 if (time >= frames)

  1332.                     continue;

  1333. 

  1334.                 CARLA_ASSERT_INT2(time >= timeOffset, time, timeOffset);

  1335. 

  1336.                 if (time > timeOffset && sampleAccurate)

  1337.                 {

  1338.                     if (processSingle(inBuffer, outBuffer, time - timeOffset, timeOffset))

  1339.                     {

  1340.                         startTime  = 0;

  1341.                         timeOffset = time;

  1342. 

  1343.                         if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1344.                             nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1345.                         else

  1346.                             nextBankId = 0;

  1347. 

  1348.                         if (fMidiEventCount > 0)

  1349.                         {

  1350.                             carla_zeroStruct<NativeMidiEvent>(fMidiEvents, fMidiEventCount);

  1351.                             fMidiEventCount = 0;

  1352.                         }

  1353.                     }

  1354.                     else

  1355.                         startTime += timeOffset;

  1356.                 }

  1357. 

  1358.                 // Control change

  1359.                 switch (event.type)

  1360.                 {

  1361.                 case kEngineEventTypeNull:

  1362.                     break;

  1363. 

  1364.                 case kEngineEventTypeControl:

  1365.                 {

  1366.                     const EngineControlEvent& ctrlEvent = event.ctrl;

  1367. 

  1368.                     switch (ctrlEvent.type)

  1369.                     {

  1370.                     case kEngineControlEventTypeNull:

  1371.                         break;

  1372. 

  1373.                     case kEngineControlEventTypeParameter:

  1374.                     {

  1375. #ifndef BUILD_BRIDGE

  1376.                         // Control backend stuff

  1377.                         if (event.channel == pData->ctrlChannel)

  1378.                         {

  1379.                             float value;

  1380. 

  1381.                             if (MIDI_IS_CONTROL_BREATH_CONTROLLER(ctrlEvent.param) && (fHints & PLUGIN_CAN_DRYWET) > 0)

  1382.                             {

  1383.                                 value = ctrlEvent.value;

  1384.                                 setDryWet(value, false, false);

  1385.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_DRYWET, 0, value);

  1386.                             }

  1387. 

  1388.                             if (MIDI_IS_CONTROL_CHANNEL_VOLUME(ctrlEvent.param) && (fHints & PLUGIN_CAN_VOLUME) > 0)

  1389.                             {

  1390.                                 value = ctrlEvent.value*127.0f/100.0f;

  1391.                                 setVolume(value, false, false);

  1392.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_VOLUME, 0, value);

  1393.                             }

  1394. 

  1395.                             if (MIDI_IS_CONTROL_BALANCE(ctrlEvent.param) && (fHints & PLUGIN_CAN_BALANCE) > 0)

  1396.                             {

  1397.                                 float left, right;

  1398.                                 value = ctrlEvent.value/0.5f - 1.0f;

  1399. 

  1400.                                 if (value < 0.0f)

  1401.                                 {

  1402.                                     left  = -1.0f;

  1403.                                     right = (value*2.0f)+1.0f;

  1404.                                 }

  1405.                                 else if (value > 0.0f)

  1406.                                 {

  1407.                                     left  = (value*2.0f)-1.0f;

  1408.                                     right = 1.0f;

  1409.                                 }

  1410.                                 else

  1411.                                 {

  1412.                                     left  = -1.0f;

  1413.                                     right = 1.0f;

  1414.                                 }

  1415. 

  1416.                                 setBalanceLeft(left, false, false);

  1417.                                 setBalanceRight(right, false, false);

  1418.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_LEFT, 0, left);

  1419.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_RIGHT, 0, right);

  1420.                             }

  1421.                         }

  1422. #endif

  1423. 

  1424.                         // Control plugin parameters

  1425.                         for (k=0; k < pData->param.count; ++k)

  1426.                         {

  1427.                             if (pData->param.data[k].midiChannel != event.channel)

  1428.                                 continue;

  1429.                             if (pData->param.data[k].midiCC != ctrlEvent.param)

  1430.                                 continue;

  1431.                             if ((pData->param.data[k].hints & PARAMETER_IS_INPUT) == 0)

  1432.                                 continue;

  1433.                             if ((pData->param.data[k].hints & PARAMETER_IS_AUTOMABLE) == 0)

  1434.                                 continue;

  1435. 

  1436.                             float value;

  1437. 

  1438.                             if (pData->param.data[k].hints & PARAMETER_IS_BOOLEAN)

  1439.                             {

  1440.                                 value = (ctrlEvent.value < 0.5f) ? pData->param.ranges[k].min : pData->param.ranges[k].max;

  1441.                             }

  1442.                             else

  1443.                             {

  1444.                                 value = pData->param.ranges[k].getUnnormalizedValue(ctrlEvent.value);

  1445. 

  1446.                                 if (pData->param.data[k].hints & PARAMETER_IS_INTEGER)

  1447.                                     value = std::rint(value);

  1448.                             }

  1449. 

  1450.                             setParameterValue(k, value, false, false, false);

  1451.                             pData->postponeRtEvent(kPluginPostRtEventParameterChange, static_cast<int32_t>(k), 0, value);

  1452.                         }

  1453. 

  1454.                         if ((fOptions & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0 && ctrlEvent.param <= 0x5F)

  1455.                         {

  1456.                             if (fMidiEventCount >= kPluginMaxMidiEvents*2)

  1457.                                 continue;

  1458. 

  1459.                             fMidiEvents[fMidiEventCount].port = 0;

  1460.                             fMidiEvents[fMidiEventCount].time = sampleAccurate ? startTime : time;

  1461.                             fMidiEvents[fMidiEventCount].data[0] = MIDI_STATUS_CONTROL_CHANGE + event.channel;

  1462.                             fMidiEvents[fMidiEventCount].data[1] = ctrlEvent.param;

  1463.                             fMidiEvents[fMidiEventCount].data[2] = ctrlEvent.value*127.0f;

  1464.                             fMidiEvents[fMidiEventCount].size    = 3;

  1465. 

  1466.                             fMidiEventCount += 1;

  1467.                         }

  1468. 

  1469.                         break;

  1470.                     }

  1471. 

  1472.                     case kEngineControlEventTypeMidiBank:

  1473.                         if (event.channel == pData->ctrlChannel && (fOptions & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1474.                             nextBankId = ctrlEvent.param;

  1475.                         break;

  1476. 

  1477.                     case kEngineControlEventTypeMidiProgram:

  1478.                         if (event.channel < MAX_MIDI_CHANNELS && (fOptions & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1479.                         {

  1480.                             const uint32_t nextProgramId(ctrlEvent.param);

  1481. 

  1482.                             for (k=0; k < pData->midiprog.count; ++k)

  1483.                             {

  1484.                                 if (pData->midiprog.data[k].bank == nextBankId && pData->midiprog.data[k].program == nextProgramId)

  1485.                                 {

  1486.                                     fDescriptor->set_midi_program(fHandle, event.channel, nextBankId, nextProgramId);

  1487. 

  1488.                                     if (fHandle2 != nullptr)

  1489.                                         fDescriptor->set_midi_program(fHandle2, event.channel, nextBankId, nextProgramId);

  1490. 

  1491.                                     fCurMidiProgs[event.channel] = k;

  1492. 

  1493.                                     if (event.channel == pData->ctrlChannel)

  1494.                                         pData->postponeRtEvent(kPluginPostRtEventMidiProgramChange, k, 0, 0.0f);

  1495. 

  1496.                                     break;

  1497.                                 }

  1498.                             }

  1499.                         }

  1500.                         break;

  1501. 

  1502.                     case kEngineControlEventTypeAllSoundOff:

  1503.                         if (fOptions & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1504.                         {

  1505.                             if (fMidiEventCount >= kPluginMaxMidiEvents*2)

  1506.                                 continue;

  1507. 

  1508.                             fMidiEvents[fMidiEventCount].port = 0;

  1509.                             fMidiEvents[fMidiEventCount].time = sampleAccurate ? startTime : time;

  1510.                             fMidiEvents[fMidiEventCount].data[0] = MIDI_STATUS_CONTROL_CHANGE + event.channel;

  1511.                             fMidiEvents[fMidiEventCount].data[1] = MIDI_CONTROL_ALL_SOUND_OFF;

  1512.                             fMidiEvents[fMidiEventCount].data[2] = 0;

  1513.                             fMidiEvents[fMidiEventCount].size    = 3;

  1514. 

  1515.                             fMidiEventCount += 1;

  1516.                         }

  1517.                         break;

  1518. 

  1519.                     case kEngineControlEventTypeAllNotesOff:

  1520.                         if (fOptions & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1521.                         {

  1522.                             if (event.channel == pData->ctrlChannel && ! allNotesOffSent)

  1523.                             {

  1524.                                 allNotesOffSent = true;

  1525.                                 sendMidiAllNotesOffToCallback();

  1526.                             }

  1527. 

  1528.                             if (fMidiEventCount >= kPluginMaxMidiEvents*2)

  1529.                                 continue;

  1530. 

  1531.                             fMidiEvents[fMidiEventCount].port = 0;

  1532.                             fMidiEvents[fMidiEventCount].time = sampleAccurate ? startTime : time;

  1533.                             fMidiEvents[fMidiEventCount].data[0] = MIDI_STATUS_CONTROL_CHANGE + event.channel;

  1534.                             fMidiEvents[fMidiEventCount].data[1] = MIDI_CONTROL_ALL_NOTES_OFF;

  1535.                             fMidiEvents[fMidiEventCount].data[2] = 0;

  1536.                             fMidiEvents[fMidiEventCount].size    = 3;

  1537. 

  1538.                             fMidiEventCount += 1;

  1539.                         }

  1540.                         break;

  1541.                     }

  1542. 

  1543.                     break;

  1544.                 }

  1545. 

  1546.                 case kEngineEventTypeMidi:

  1547.                 {

  1548.                     if (fMidiEventCount >= kPluginMaxMidiEvents*2)

  1549.                         continue;

  1550. 

  1551.                     const EngineMidiEvent& midiEvent(event.midi);

  1552. 

  1553.                     uint8_t status  = MIDI_GET_STATUS_FROM_DATA(midiEvent.data);

  1554.                     uint8_t channel = event.channel;

  1555. 

  1556.                     if (MIDI_IS_STATUS_CHANNEL_PRESSURE(status) && (fOptions & PLUGIN_OPTION_SEND_CHANNEL_PRESSURE) == 0)

  1557.                         continue;

  1558.                     if (MIDI_IS_STATUS_CONTROL_CHANGE(status) && (fOptions & PLUGIN_OPTION_SEND_CONTROL_CHANGES) == 0)

  1559.                         continue;

  1560.                     if (MIDI_IS_STATUS_POLYPHONIC_AFTERTOUCH(status) && (fOptions & PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH) == 0)

  1561.                         continue;

  1562.                     if (MIDI_IS_STATUS_PITCH_WHEEL_CONTROL(status) && (fOptions & PLUGIN_OPTION_SEND_PITCHBEND) == 0)

  1563.                         continue;

  1564. 

  1565.                     // Fix bad note-off

  1566.                     if (status == MIDI_STATUS_NOTE_ON && midiEvent.data[2] == 0)

  1567.                         status -= 0x10;

  1568. 

  1569.                     fMidiEvents[fMidiEventCount].port = 0;

  1570.                     fMidiEvents[fMidiEventCount].time = sampleAccurate ? startTime : time;

  1571.                     fMidiEvents[fMidiEventCount].size = midiEvent.size;

  1572. 

  1573.                     fMidiEvents[fMidiEventCount].data[0] = status + channel;

  1574.                     fMidiEvents[fMidiEventCount].data[1] = midiEvent.data[1];

  1575.                     fMidiEvents[fMidiEventCount].data[2] = midiEvent.data[2];

  1576.                     fMidiEvents[fMidiEventCount].data[3] = midiEvent.data[3];

  1577. 

  1578.                     fMidiEventCount += 1;

  1579. 

  1580.                     if (status == MIDI_STATUS_NOTE_ON)

  1581.                         pData->postponeRtEvent(kPluginPostRtEventNoteOn, channel, midiEvent.data[1], midiEvent.data[2]);

  1582.                     else if (status == MIDI_STATUS_NOTE_OFF)

  1583.                         pData->postponeRtEvent(kPluginPostRtEventNoteOff, channel, midiEvent.data[1], 0.0f);

  1584. 

  1585.                     break;

  1586.                 }

  1587.                 }

  1588.             }

  1589. 

  1590.             pData->postRtEvents.trySplice();

  1591. 

  1592.             if (frames > timeOffset)

  1593.                 processSingle(inBuffer, outBuffer, frames - timeOffset, timeOffset);

  1594. 

  1595.         } // End of Event Input and Processing

  1596. 

  1597.         // --------------------------------------------------------------------------------------------------------

  1598.         // Plugin processing (no events)

  1599. 

  1600.         else

  1601.         {

  1602.             processSingle(inBuffer, outBuffer, frames, 0);

  1603. 

  1604.         } // End of Plugin processing (no events)

  1605. 

  1606.         CARLA_PROCESS_CONTINUE_CHECK;

  1607. 

  1608.         // --------------------------------------------------------------------------------------------------------

  1609.         // Control and MIDI Output

  1610. 

  1611.         if (fMidiOut.count > 0 || pData->event.portOut != nullptr)

  1612.         {

  1613.             float value, curValue;

  1614. 

  1615.             for (k=0; k < pData->param.count; ++k)

  1616.             {

  1617.                 if (pData->param.data[k].hints & PARAMETER_IS_INPUT)

  1618.                     continue;

  1619. 

  1620.                 curValue = fDescriptor->get_parameter_value(fHandle, k);

  1621.                 pData->param.ranges[k].fixValue(curValue);

  1622. 

  1623.                 if (pData->param.data[k].midiCC > 0)

  1624.                 {

  1625.                     value = pData->param.ranges[k].getNormalizedValue(curValue);

  1626.                     pData->event.portOut->writeControlEvent(0, pData->param.data[k].midiChannel, kEngineControlEventTypeParameter, pData->param.data[k].midiCC, value);

  1627.                 }

  1628.             }

  1629. 

  1630.             // reverse lookup MIDI events

  1631.             for (k = (kPluginMaxMidiEvents*2)-1; k >= fMidiEventCount; --k)

  1632.             {

  1633.                 if (fMidiEvents[k].data[0] == 0)

  1634.                     break;

  1635. 

  1636.                 const uint8_t channel = MIDI_GET_CHANNEL_FROM_DATA(fMidiEvents[k].data);

  1637.                 const uint8_t port    = fMidiEvents[k].port;

  1638. 

  1639.                 if (pData->event.portOut != nullptr)

  1640.                     pData->event.portOut->writeMidiEvent(fMidiEvents[k].time, channel, port, fMidiEvents[k].data, fMidiEvents[k].size);

  1641.                 else if (port < fMidiOut.count)

  1642.                     fMidiOut.ports[port]->writeMidiEvent(fMidiEvents[k].time, channel, port, fMidiEvents[k].data, fMidiEvents[k].size);

  1643.             }

  1644. 

  1645.         } // End of Control and MIDI Output

  1646.     }

  1647. 

  1648.     bool processSingle(float** const inBuffer, float** const outBuffer, const uint32_t frames, const uint32_t timeOffset)

  1649.     {

  1650.         CARLA_ASSERT(frames > 0);

  1651. 

  1652.         if (frames == 0)

  1653.             return false;

  1654. 

  1655.         if (pData->audioIn.count > 0)

  1656.         {

  1657.             CARLA_ASSERT(inBuffer != nullptr);

  1658.             if (inBuffer == nullptr)

  1659.                 return false;

  1660.         }

  1661.         if (pData->audioOut.count > 0)

  1662.         {

  1663.             CARLA_ASSERT(outBuffer != nullptr);

  1664.             if (outBuffer == nullptr)

  1665.                 return false;

  1666.         }

  1667. 

  1668.         uint32_t i, k;

  1669. 

  1670.         // --------------------------------------------------------------------------------------------------------

  1671.         // Try lock, silence otherwise

  1672. 

  1673.         if (pData->engine->isOffline())

  1674.         {

  1675.             pData->singleMutex.lock();

  1676.         }

  1677.         else if (! pData->singleMutex.tryLock())

  1678.         {

  1679.             for (i=0; i < pData->audioOut.count; ++i)

  1680.             {

  1681.                 for (k=0; k < frames; ++k)

  1682.                     outBuffer[i][k+timeOffset] = 0.0f;

  1683.             }

  1684. 

  1685.             return false;

  1686.         }

  1687. 

  1688.         // --------------------------------------------------------------------------------------------------------

  1689.         // Reset audio buffers

  1690. 

  1691.         for (i=0; i < pData->audioIn.count; ++i)

  1692.         {

  1693. #ifdef USE_JUCE

  1694.             FloatVectorOperations::copy(fAudioInBuffers[i], inBuffer[i]+timeOffset, frames);

  1695. #else

  1696. #endif

  1697.         }

  1698. 

  1699.         for (i=0; i < pData->audioOut.count; ++i)

  1700.         {

  1701. #ifdef USE_JUCE

  1702.             FloatVectorOperations::clear(fAudioOutBuffers[i], frames);

  1703. #else

  1704. #endif

  1705.         }

  1706. 

  1707.         // --------------------------------------------------------------------------------------------------------

  1708.         // Run plugin

  1709. 

  1710.         fIsProcessing = true;

  1711. 

  1712.         if (fHandle2 == nullptr)

  1713.         {

  1714.             fDescriptor->process(fHandle, fAudioInBuffers, fAudioOutBuffers, frames, fMidiEvents, fMidiEventCount);

  1715.         }

  1716.         else

  1717.         {

  1718.             fDescriptor->process(fHandle,

  1719.                                  (pData->audioIn.count > 0) ? &fAudioInBuffers[0] : nullptr,

  1720.                                  (pData->audioOut.count > 0) ? &fAudioOutBuffers[0] : nullptr,

  1721.                                  frames, fMidiEvents, fMidiEventCount);

  1722. 

  1723.             fDescriptor->process(fHandle2,

  1724.                                  (pData->audioIn.count > 0) ? &fAudioInBuffers[1] : nullptr,

  1725.                                  (pData->audioOut.count > 0) ? &fAudioOutBuffers[1] : nullptr,

  1726.                                  frames, fMidiEvents, fMidiEventCount);

  1727.         }

  1728. 

  1729.         fIsProcessing = false;

  1730.         fTimeInfo.frame += frames;

  1731. 

  1732. #ifndef BUILD_BRIDGE

  1733.         // --------------------------------------------------------------------------------------------------------

  1734.         // Post-processing (dry/wet, volume and balance)

  1735. 

  1736.         {

  1737.             const bool doDryWet  = (fHints & PLUGIN_CAN_DRYWET) != 0 && pData->postProc.dryWet != 1.0f;

  1738.             const bool doBalance = (fHints & PLUGIN_CAN_BALANCE) != 0 && (pData->postProc.balanceLeft != -1.0f || pData->postProc.balanceRight != 1.0f);

  1739. 

  1740.             bool isPair;

  1741.             float bufValue, oldBufLeft[doBalance ? frames : 1];

  1742. 

  1743.             for (i=0; i < pData->audioOut.count; ++i)

  1744.             {

  1745.                 // Dry/Wet

  1746.                 if (doDryWet)

  1747.                 {

  1748.                     for (k=0; k < frames; ++k)

  1749.                     {

  1750.                         bufValue = fAudioInBuffers[(pData->audioIn.count == 1) ? 0 : i][k];

  1751.                         fAudioOutBuffers[i][k] = (fAudioOutBuffers[i][k] * pData->postProc.dryWet) + (bufValue * (1.0f - pData->postProc.dryWet));

  1752.                     }

  1753.                 }

  1754. 

  1755.                 // Balance

  1756.                 if (doBalance)

  1757.                 {

  1758.                     isPair = (i % 2 == 0);

  1759. 

  1760.                     if (isPair)

  1761.                     {

  1762.                         CARLA_ASSERT(i+1 < pData->audioOut.count);

  1763. #ifdef USE_JUCE

  1764.                         FloatVectorOperations::copy(oldBufLeft, fAudioOutBuffers[i], frames);

  1765. #else

  1766. #endif

  1767.                     }

  1768. 

  1769.                     float balRangeL = (pData->postProc.balanceLeft  + 1.0f)/2.0f;

  1770.                     float balRangeR = (pData->postProc.balanceRight + 1.0f)/2.0f;

  1771. 

  1772.                     for (k=0; k < frames; ++k)

  1773.                     {

  1774.                         if (isPair)

  1775.                         {

  1776.                             // left

  1777.                             fAudioOutBuffers[i][k]  = oldBufLeft[k]            * (1.0f - balRangeL);

  1778.                             fAudioOutBuffers[i][k] += fAudioOutBuffers[i+1][k] * (1.0f - balRangeR);

  1779.                         }

  1780.                         else

  1781.                         {

  1782.                             // right

  1783.                             fAudioOutBuffers[i][k]  = fAudioOutBuffers[i][k] * balRangeR;

  1784.                             fAudioOutBuffers[i][k] += oldBufLeft[k]          * balRangeL;

  1785.                         }

  1786.                     }

  1787.                 }

  1788. 

  1789.                 // Volume (and buffer copy)

  1790.                 {

  1791.                     for (k=0; k < frames; ++k)

  1792.                         outBuffer[i][k+timeOffset] = fAudioOutBuffers[i][k] * pData->postProc.volume;

  1793.                 }

  1794.             }

  1795. 

  1796.         } // End of Post-processing

  1797. #else

  1798.         for (i=0; i < pData->audioOut.count; ++i)

  1799.         {

  1800.             for (k=0; k < frames; ++k)

  1801.                 outBuffer[i][k+timeOffset] = fAudioOutBuffers[i][k];

  1802.         }

  1803. #endif

  1804. 

  1805.         // --------------------------------------------------------------------------------------------------------

  1806. 

  1807.         pData->singleMutex.unlock();

  1808.         return true;

  1809.     }

  1810. 

  1811.     void bufferSizeChanged(const uint32_t newBufferSize) override

  1812.     {

  1813.         CARLA_ASSERT_INT(newBufferSize > 0, newBufferSize);

  1814.         carla_debug("NativePlugin::bufferSizeChanged(%i)", newBufferSize);

  1815. 

  1816.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1817.         {

  1818.             if (fAudioInBuffers[i] != nullptr)

  1819.                 delete[] fAudioInBuffers[i];

  1820.             fAudioInBuffers[i] = new float[newBufferSize];

  1821.         }

  1822. 

  1823.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1824.         {

  1825.             if (fAudioOutBuffers[i] != nullptr)

  1826.                 delete[] fAudioOutBuffers[i];

  1827.             fAudioOutBuffers[i] = new float[newBufferSize];

  1828.         }

  1829. 

  1830.         if (fDescriptor != nullptr && fDescriptor->dispatcher != nullptr)

  1831.         {

  1832.             fDescriptor->dispatcher(fHandle, PLUGIN_OPCODE_BUFFER_SIZE_CHANGED, 0, newBufferSize, nullptr, 0.0f);

  1833. 

  1834.             if (fHandle2 != nullptr)

  1835.                 fDescriptor->dispatcher(fHandle2, PLUGIN_OPCODE_BUFFER_SIZE_CHANGED, 0, newBufferSize, nullptr, 0.0f);

  1836.         }

  1837.     }

  1838. 

  1839.     void sampleRateChanged(const double newSampleRate) override

  1840.     {

  1841.         CARLA_ASSERT_INT(newSampleRate > 0.0, newSampleRate);

  1842.         carla_debug("NativePlugin::sampleRateChanged(%g)", newSampleRate);

  1843. 

  1844.         if (fDescriptor != nullptr && fDescriptor->dispatcher != nullptr)

  1845.         {

  1846.             fDescriptor->dispatcher(fHandle, PLUGIN_OPCODE_SAMPLE_RATE_CHANGED, 0, 0, nullptr, newSampleRate);

  1847. 

  1848.             if (fHandle2 != nullptr)

  1849.                 fDescriptor->dispatcher(fHandle2, PLUGIN_OPCODE_SAMPLE_RATE_CHANGED, 0, 0, nullptr, newSampleRate);

  1850.         }

  1851.     }

  1852. 

  1853.     void offlineModeChanged(const bool isOffline) override

  1854.     {

  1855.         if (fDescriptor != nullptr && fDescriptor->dispatcher != nullptr)

  1856.         {

  1857.             fDescriptor->dispatcher(fHandle, PLUGIN_OPCODE_OFFLINE_CHANGED, 0, isOffline ? 1 : 0, nullptr, 0.0f);

  1858. 

  1859.             if (fHandle2 != nullptr)

  1860.                 fDescriptor->dispatcher(fHandle2, PLUGIN_OPCODE_OFFLINE_CHANGED, 0, isOffline ? 1 : 0, nullptr, 0.0f);

  1861.         }

  1862.     }

  1863. 

  1864.     // -------------------------------------------------------------------

  1865.     // Plugin buffers

  1866. 

  1867.     void initBuffers() override

  1868.     {

  1869.         fMidiIn.initBuffers();

  1870.         fMidiOut.initBuffers();

  1871. 

  1872.         CarlaPlugin::initBuffers();

  1873.     }

  1874. 

  1875.     void clearBuffers() override

  1876.     {

  1877.         carla_debug("NativePlugin::clearBuffers() - start");

  1878. 

  1879.         if (fAudioInBuffers != nullptr)

  1880.         {

  1881.             for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1882.             {

  1883.                 if (fAudioInBuffers[i] != nullptr)

  1884.                 {

  1885.                     delete[] fAudioInBuffers[i];

  1886.                     fAudioInBuffers[i] = nullptr;

  1887.                 }

  1888.             }

  1889. 

  1890.             delete[] fAudioInBuffers;

  1891.             fAudioInBuffers = nullptr;

  1892.         }

  1893. 

  1894.         if (fAudioOutBuffers != nullptr)

  1895.         {

  1896.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1897.             {

  1898.                 if (fAudioOutBuffers[i] != nullptr)

  1899.                 {

  1900.                     delete[] fAudioOutBuffers[i];

  1901.                     fAudioOutBuffers[i] = nullptr;

  1902.                 }

  1903.             }

  1904. 

  1905.             delete[] fAudioOutBuffers;

  1906.             fAudioOutBuffers = nullptr;

  1907.         }

  1908. 

  1909.         fMidiIn.clear();

  1910.         fMidiOut.clear();

  1911. 

  1912.         CarlaPlugin::clearBuffers();

  1913. 

  1914.         carla_debug("NativePlugin::clearBuffers() - end");

  1915.     }

  1916. 

  1917.     // -------------------------------------------------------------------

  1918.     // Post-poned UI Stuff

  1919. 

  1920.     void uiParameterChange(const uint32_t index, const float value) override

  1921.     {

  1922.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1923.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  1924.         CARLA_ASSERT(index < pData->param.count);

  1925. 

  1926.         if (! fIsUiVisible)

  1927.             return;

  1928.         if (fDescriptor == nullptr || fHandle == nullptr)

  1929.             return;

  1930.         if (index >= pData->param.count)

  1931.             return;

  1932. 

  1933.         if (fDescriptor->ui_set_parameter_value != nullptr)

  1934.             fDescriptor->ui_set_parameter_value(fHandle, index, value);

  1935.     }

  1936. 

  1937.     void uiMidiProgramChange(const uint32_t index) override

  1938.     {

  1939.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1940.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  1941.         CARLA_ASSERT(index < pData->midiprog.count);

  1942. 

  1943.         if (! fIsUiVisible)

  1944.             return;

  1945.         if (fDescriptor == nullptr || fHandle == nullptr)

  1946.             return;

  1947.         if (index >= pData->midiprog.count)

  1948.             return;

  1949. 

  1950.         if (fDescriptor->ui_set_midi_program != nullptr) // TODO

  1951.             fDescriptor->ui_set_midi_program(fHandle, 0, pData->midiprog.data[index].bank, pData->midiprog.data[index].program);

  1952.     }

  1953. 

  1954.     void uiNoteOn(const uint8_t channel, const uint8_t note, const uint8_t velo) override

  1955.     {

  1956.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1957.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  1958.         CARLA_ASSERT(channel < MAX_MIDI_CHANNELS);

  1959.         CARLA_ASSERT(note < MAX_MIDI_NOTE);

  1960.         CARLA_ASSERT(velo > 0 && velo < MAX_MIDI_VALUE);

  1961. 

  1962.         if (! fIsUiVisible)

  1963.             return;

  1964.         if (fDescriptor == nullptr || fHandle == nullptr)

  1965.             return;

  1966.         if (channel >= MAX_MIDI_CHANNELS)

  1967.             return;

  1968.         if (note >= MAX_MIDI_NOTE)

  1969.             return;

  1970.         if (velo >= MAX_MIDI_VALUE)

  1971.             return;

  1972. 

  1973.         // TODO

  1974.     }

  1975. 

  1976.     void uiNoteOff(const uint8_t channel, const uint8_t note) override

  1977.     {

  1978.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1979.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  1980.         CARLA_ASSERT(channel < MAX_MIDI_CHANNELS);

  1981.         CARLA_ASSERT(note < MAX_MIDI_NOTE);

  1982. 

  1983.         if (! fIsUiVisible)

  1984.             return;

  1985.         if (fDescriptor == nullptr || fHandle == nullptr)

  1986.             return;

  1987.         if (channel >= MAX_MIDI_CHANNELS)

  1988.             return;

  1989.         if (note >= MAX_MIDI_NOTE)

  1990.             return;

  1991. 

  1992.         // TODO

  1993.     }

  1994. 

  1995.     // -------------------------------------------------------------------

  1996. 

  1997. protected:

  1998.     uint32_t handleGetBufferSize() const

  1999.     {

  2000.         return pData->engine->getBufferSize();

  2001.     }

  2002. 

  2003.     double handleGetSampleRate() const

  2004.     {

  2005.         return pData->engine->getSampleRate();

  2006.     }

  2007. 

  2008.     bool handleIsOffline() const

  2009.     {

  2010.         return pData->engine->isOffline();

  2011.     }

  2012. 

  2013.     const NativeTimeInfo* handleGetTimeInfo() const

  2014.     {

  2015.         CARLA_SAFE_ASSERT_RETURN(fIsProcessing, nullptr);

  2016. 

  2017.         return &fTimeInfo;

  2018.     }

  2019. 

  2020.     bool handleWriteMidiEvent(const NativeMidiEvent* const event)

  2021.     {

  2022.         CARLA_ASSERT(fEnabled);

  2023.         CARLA_ASSERT(fIsProcessing);

  2024.         CARLA_ASSERT(fMidiOut.count > 0 || pData->event.portOut != nullptr);

  2025.         CARLA_ASSERT(event != nullptr);

  2026.         CARLA_ASSERT(event->data[0] != 0);

  2027. 

  2028.         if (! fEnabled)

  2029.             return false;

  2030.         if (fMidiOut.count == 0)

  2031.             return false;

  2032.         if (event == nullptr)

  2033.             return false;

  2034.         if (event->data[0] == 0)

  2035.             return false;

  2036.         if (! fIsProcessing)

  2037.         {

  2038.             carla_stderr2("NativePlugin::handleWriteMidiEvent(%p) - received MIDI out event outside audio thread, ignoring", event);

  2039.             return false;

  2040.         }

  2041. 

  2042.         // reverse-find first free event, and put it there

  2043.         for (uint32_t i=(kPluginMaxMidiEvents*2)-1; i > fMidiEventCount; --i)

  2044.         {

  2045.             if (fMidiEvents[i].data[0] == 0)

  2046.             {

  2047.                 std::memcpy(&fMidiEvents[i], event, sizeof(NativeMidiEvent));

  2048.                 return true;

  2049.             }

  2050.         }

  2051. 

  2052.         return false;

  2053.     }

  2054. 

  2055.     void handleUiParameterChanged(const uint32_t index, const float value)

  2056.     {

  2057.         setParameterValue(index, value, false, true, true);

  2058.     }

  2059. 

  2060.     void handleUiCustomDataChanged(const char* const key, const char* const value)

  2061.     {

  2062.         setCustomData(CUSTOM_DATA_TYPE_STRING, key, value, false);

  2063.     }

  2064. 

  2065.     void handleUiClosed()

  2066.     {

  2067.         pData->engine->callback(ENGINE_CALLBACK_UI_STATE_CHANGED, fId, 0, 0, 0.0f, nullptr);

  2068.         fIsUiVisible = false;

  2069.     }

  2070. 

  2071.     const char* handleUiOpenFile(const bool isDir, const char* const title, const char* const filter)

  2072.     {

  2073.         static CarlaString retStr;

  2074. #if 0

  2075.         QFileDialog::Options options(isDir ? QFileDialog::ShowDirsOnly : 0x0);

  2076. 

  2077.         retStr = QFileDialog::getOpenFileName(nullptr, title, "", filter, nullptr, options).toUtf8().constData();

  2078. #endif

  2079.         return retStr.isNotEmpty() ? (const char*)retStr : nullptr;

  2080.     }

  2081. 

  2082.     const char* handleUiSaveFile(const bool isDir, const char* const title, const char* const filter)

  2083.     {

  2084.         static CarlaString retStr;

  2085. #if 0

  2086.         QFileDialog::Options options(isDir ? QFileDialog::ShowDirsOnly : 0x0);

  2087. 

  2088.         retStr = QFileDialog::getSaveFileName(nullptr, title, "", filter, nullptr, options).toUtf8().constData();

  2089. #endif

  2090.         return retStr.isNotEmpty() ? (const char*)retStr : nullptr;

  2091.     }

  2092. 

  2093.     intptr_t handleDispatcher(const NativeHostDispatcherOpcode opcode, const int32_t index, const intptr_t value, void* const ptr, const float opt)

  2094.     {

  2095.         carla_debug("NativePlugin::handleDispatcher(%i, %i, " P_INTPTR ", %p, %f)", opcode, index, value, ptr, opt);

  2096. 

  2097.         intptr_t ret = 0;

  2098. 

  2099.         switch (opcode)

  2100.         {

  2101.         case ::HOST_OPCODE_NULL:

  2102.             break;

  2103. #ifdef BUILD_BRIDGE

  2104.         case ::HOST_OPCODE_SET_VOLUME:

  2105.         case ::HOST_OPCODE_SET_DRYWET:

  2106.         case ::HOST_OPCODE_SET_BALANCE_LEFT:

  2107.         case ::HOST_OPCODE_SET_BALANCE_RIGHT:

  2108.         case ::HOST_OPCODE_SET_PANNING:

  2109.             break;

  2110. #else

  2111.         case ::HOST_OPCODE_SET_VOLUME:

  2112.             setVolume(opt, true, true);

  2113.             break;

  2114.         case ::HOST_OPCODE_SET_DRYWET:

  2115.             setDryWet(opt, true, true);

  2116.             break;

  2117.         case ::HOST_OPCODE_SET_BALANCE_LEFT:

  2118.             setBalanceLeft(opt, true, true);

  2119.             break;

  2120.         case ::HOST_OPCODE_SET_BALANCE_RIGHT:

  2121.             setBalanceRight(opt, true, true);

  2122.             break;

  2123.         case ::HOST_OPCODE_SET_PANNING:

  2124.             setPanning(opt, true, true);

  2125.             break;

  2126. #endif

  2127.         case HOST_OPCODE_GET_PARAMETER_MIDI_CC:

  2128.         case HOST_OPCODE_SET_PARAMETER_MIDI_CC:

  2129.             // TODO

  2130.             break;

  2131.         case ::HOST_OPCODE_SET_PROCESS_PRECISION:

  2132.             // TODO

  2133.             break;

  2134.         case ::HOST_OPCODE_UPDATE_PARAMETER:

  2135.             break;

  2136.         case ::HOST_OPCODE_UPDATE_MIDI_PROGRAM:

  2137.             break;

  2138.         case ::HOST_OPCODE_RELOAD_PARAMETERS:

  2139.             break;

  2140.         case ::HOST_OPCODE_RELOAD_MIDI_PROGRAMS:

  2141.             break;

  2142.         case ::HOST_OPCODE_RELOAD_ALL:

  2143.             break;

  2144.         case HOST_OPCODE_UI_UNAVAILABLE:

  2145.             pData->engine->callback(ENGINE_CALLBACK_UI_STATE_CHANGED, fId, -1, 0, 0.0f, nullptr);

  2146.             break;

  2147.         }

  2148. 

  2149.         return ret;

  2150. 

  2151.         // unused for now

  2152.         (void)index;

  2153.         (void)value;

  2154.         (void)ptr;

  2155.     }

  2156. 

  2157.     // -------------------------------------------------------------------

  2158. 

  2159. public:

  2160.     static size_t getPluginCount()

  2161.     {

  2162.         return sPluginDescriptors.count();

  2163.     }

  2164. 

  2165.     static const NativePluginDescriptor* getPluginDescriptor(const size_t index)

  2166.     {

  2167.         CARLA_ASSERT(index < sPluginDescriptors.count());

  2168. 

  2169.         if (index < sPluginDescriptors.count())

  2170.             return sPluginDescriptors.getAt(index);

  2171. 

  2172.         return nullptr;

  2173.     }

  2174. 

  2175.     static void registerPlugin(const NativePluginDescriptor* desc)

  2176.     {

  2177.         sPluginDescriptors.append(desc);

  2178.     }

  2179. 

  2180.     // -------------------------------------------------------------------

  2181. 

  2182.     bool init(const char* const name, const char* const label)

  2183.     {

  2184.         // ---------------------------------------------------------------

  2185.         // first checks

  2186. 

  2187.         if (pData->engine == nullptr)

  2188.         {

  2189.             return false;

  2190.         }

  2191. 

  2192.         if (pData->client != nullptr)

  2193.         {

  2194.             pData->engine->setLastError("Plugin client is already registered");

  2195.             return false;

  2196.         }

  2197. 

  2198.         if (label == nullptr && label[0] != '\0')

  2199.         {

  2200.             pData->engine->setLastError("null label");

  2201.             return false;

  2202.         }

  2203. 

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

  2205.         // get descriptor that matches label

  2206. 

  2207.         for (List<const NativePluginDescriptor*>::Itenerator it = sPluginDescriptors.begin(); it.valid(); it.next())

  2208.         {

  2209.             fDescriptor = *it;

  2210. 

  2211.             CARLA_SAFE_ASSERT_BREAK(fDescriptor != nullptr);

  2212. 

  2213.             if (fDescriptor->label != nullptr && std::strcmp(fDescriptor->label, label) == 0)

  2214.                 break;

  2215. 

  2216.             fDescriptor = nullptr;

  2217.         }

  2218. 

  2219.         if (fDescriptor == nullptr)

  2220.         {

  2221.             pData->engine->setLastError("Invalid internal plugin");

  2222.             return false;

  2223.         }

  2224. 

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

  2226.         // set icon

  2227. 

  2228.         if (std::strcmp(fDescriptor->label, "audiofile") == 0)

  2229.             fIconName = "file";

  2230.         else if (std::strcmp(fDescriptor->label, "midifile") == 0)

  2231.             fIconName = "file";

  2232.         else if (std::strcmp(fDescriptor->label, "sunvoxfile") == 0)

  2233.             fIconName = "file";

  2234. 

  2235.         else if (std::strcmp(fDescriptor->label, "3BandEQ") == 0)

  2236.             fIconName = "distrho";

  2237.         else if (std::strcmp(fDescriptor->label, "3BandSplitter") == 0)

  2238.             fIconName = "distrho";

  2239.         else if (std::strcmp(fDescriptor->label, "Nekobi") == 0)

  2240.             fIconName = "distrho";

  2241.         else if (std::strcmp(fDescriptor->label, "Notes") == 0)

  2242.             fIconName = "distrho";

  2243.         else if (std::strcmp(fDescriptor->label, "PingPongPan") == 0)

  2244.             fIconName = "distrho";

  2245.         else if (std::strcmp(fDescriptor->label, "StereoEnhancer") == 0)

  2246.             fIconName = "distrho";

  2247. 

  2248.         // ---------------------------------------------------------------

  2249.         // get info

  2250. 

  2251.         if (name != nullptr)

  2252.             fName = pData->engine->getUniquePluginName(name);

  2253.         else if (fDescriptor->name != nullptr)

  2254.             fName = pData->engine->getUniquePluginName(fDescriptor->name);

  2255.         else

  2256.             fName = pData->engine->getUniquePluginName(label);

  2257. 

  2258.         {

  2259.             CARLA_ASSERT(fHost.uiName == nullptr);

  2260. 

  2261.             char uiName[fName.length()+6+1];

  2262.             std::strcpy(uiName, (const char*)fName);

  2263.             std::strcat(uiName, " (GUI)");

  2264. 

  2265.             fHost.uiName = carla_strdup(uiName);

  2266.         }

  2267. 

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

  2269.         // register client

  2270. 

  2271.         pData->client = pData->engine->addClient(this);

  2272. 

  2273.         if (pData->client == nullptr || ! pData->client->isOk())

  2274.         {

  2275.             pData->engine->setLastError("Failed to register plugin client");

  2276.             return false;

  2277.         }

  2278. 

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

  2280.         // initialize plugin

  2281. 

  2282.         fHandle = fDescriptor->instantiate(&fHost);

  2283. 

  2284.         if (fHandle == nullptr)

  2285.         {

  2286.             pData->engine->setLastError("Plugin failed to initialize");

  2287.             return false;

  2288.         }

  2289. 

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

  2291.         // load plugin settings

  2292. 

  2293.         {

  2294.             const bool hasMidiProgs(fDescriptor->get_midi_program_count != nullptr && fDescriptor->get_midi_program_count(fHandle) > 0);

  2295. 

  2296.             // set default options

  2297.             fOptions = 0x0;

  2298. 

  2299.             if (hasMidiProgs && (fDescriptor->supports & ::PLUGIN_SUPPORTS_PROGRAM_CHANGES) == 0)

  2300.                 fOptions |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  2301. 

  2302.             if (getMidiInCount() > 0 || (fDescriptor->hints & ::PLUGIN_NEEDS_FIXED_BUFFERS) != 0)

  2303.                 fOptions |= PLUGIN_OPTION_FIXED_BUFFERS;

  2304. 

  2305.             if (pData->engine->getOptions().forceStereo)

  2306.                 fOptions |= PLUGIN_OPTION_FORCE_STEREO;

  2307. 

  2308.             if (fDescriptor->supports & ::PLUGIN_SUPPORTS_CHANNEL_PRESSURE)

  2309.                 fOptions |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  2310.             if (fDescriptor->supports & ::PLUGIN_SUPPORTS_NOTE_AFTERTOUCH)

  2311.                 fOptions |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  2312.             if (fDescriptor->supports & ::PLUGIN_SUPPORTS_PITCHBEND)

  2313.                 fOptions |= PLUGIN_OPTION_SEND_PITCHBEND;

  2314.             if (fDescriptor->supports & ::PLUGIN_SUPPORTS_ALL_SOUND_OFF)

  2315.                 fOptions |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  2316. 

  2317.             // load settings

  2318.             pData->idStr  = "Native/";

  2319.             pData->idStr += label;

  2320.             fOptions = pData->loadSettings(fOptions, getOptionsAvailable());

  2321. 

  2322.             // ignore settings, we need this anyway

  2323.             if (getMidiInCount() > 0 || (fDescriptor->hints & ::PLUGIN_NEEDS_FIXED_BUFFERS) != 0)

  2324.                 fOptions |= PLUGIN_OPTION_FIXED_BUFFERS;

  2325.         }

  2326. 

  2327.         return true;

  2328.     }

  2329. 

  2330.     class ScopedInitializer

  2331.     {

  2332.     public:

  2333.         ScopedInitializer()

  2334.         {

  2335.             carla_register_all_plugins();

  2336.         }

  2337. 

  2338.         ~ScopedInitializer()

  2339.         {

  2340.             sPluginDescriptors.clear();

  2341.         }

  2342.     };

  2343. 

  2344. private:

  2345.     NativePluginHandle   fHandle;

  2346.     NativePluginHandle   fHandle2;

  2347.     NativeHostDescriptor fHost;

  2348.     const NativePluginDescriptor* fDescriptor;

  2349. 

  2350.     bool fIsProcessing;

  2351.     bool fIsUiVisible;

  2352. 

  2353.     float**         fAudioInBuffers;

  2354.     float**         fAudioOutBuffers;

  2355.     uint32_t        fMidiEventCount;

  2356.     NativeMidiEvent fMidiEvents[kPluginMaxMidiEvents*2];

  2357. 

  2358.     int32_t fCurMidiProgs[MAX_MIDI_CHANNELS];

  2359. 

  2360.     NativePluginMidiData fMidiIn;

  2361.     NativePluginMidiData fMidiOut;

  2362. 

  2363.     NativeTimeInfo fTimeInfo;

  2364. 

  2365.     static List<const NativePluginDescriptor*> sPluginDescriptors;

  2366. 

  2367.     // -------------------------------------------------------------------

  2368. 

  2369.     #define handlePtr ((NativePlugin*)handle)

  2370. 

  2371.     static uint32_t carla_host_get_buffer_size(NativeHostHandle handle)

  2372.     {

  2373.         return handlePtr->handleGetBufferSize();

  2374.     }

  2375. 

  2376.     static double carla_host_get_sample_rate(NativeHostHandle handle)

  2377.     {

  2378.         return handlePtr->handleGetSampleRate();

  2379.     }

  2380. 

  2381.     static bool carla_host_is_offline(NativeHostHandle handle)

  2382.     {

  2383.         return handlePtr->handleIsOffline();

  2384.     }

  2385. 

  2386.     static const NativeTimeInfo* carla_host_get_time_info(NativeHostHandle handle)

  2387.     {

  2388.         return handlePtr->handleGetTimeInfo();

  2389.     }

  2390. 

  2391.     static bool carla_host_write_midi_event(NativeHostHandle handle, const NativeMidiEvent* event)

  2392.     {

  2393.         return handlePtr->handleWriteMidiEvent(event);

  2394.     }

  2395. 

  2396.     static void carla_host_ui_parameter_changed(NativeHostHandle handle, uint32_t index, float value)

  2397.     {

  2398.         handlePtr->handleUiParameterChanged(index, value);

  2399.     }

  2400. 

  2401.     static void carla_host_ui_custom_data_changed(NativeHostHandle handle, const char* key, const char* value)

  2402.     {

  2403.         handlePtr->handleUiCustomDataChanged(key, value);

  2404.     }

  2405. 

  2406.     static void carla_host_ui_closed(NativeHostHandle handle)

  2407.     {

  2408.         handlePtr->handleUiClosed();

  2409.     }

  2410. 

  2411.     static const char* carla_host_ui_open_file(NativeHostHandle handle, bool isDir, const char* title, const char* filter)

  2412.     {

  2413.         return handlePtr->handleUiOpenFile(isDir, title, filter);

  2414.     }

  2415. 

  2416.     static const char* carla_host_ui_save_file(NativeHostHandle handle, bool isDir, const char* title, const char* filter)

  2417.     {

  2418.         return handlePtr->handleUiSaveFile(isDir, title, filter);

  2419.     }

  2420. 

  2421.     static intptr_t carla_host_dispatcher(NativeHostHandle handle, NativeHostDispatcherOpcode opcode, int32_t index, intptr_t value, void* ptr, float opt)

  2422.     {

  2423.         return handlePtr->handleDispatcher(opcode, index, value, ptr, opt);

  2424.     }

  2425. 

  2426.     #undef handlePtr

  2427. 

  2428.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(NativePlugin)

  2429. };

  2430. 

  2431. List<const NativePluginDescriptor*> NativePlugin::sPluginDescriptors;

  2432. 

  2433. static const NativePlugin::ScopedInitializer _si;

  2434. 

  2435. CARLA_BACKEND_END_NAMESPACE

  2436. 

  2437. void carla_register_native_plugin(const NativePluginDescriptor* desc)

  2438. {

  2439.     CARLA_BACKEND_USE_NAMESPACE

  2440.     NativePlugin::registerPlugin(desc);

  2441. }

  2442. 

  2443. #else // WANT_NATIVE

  2444. # warning Building without Internal plugin support

  2445. #endif

  2446. 

  2447. CARLA_BACKEND_START_NAMESPACE

  2448. 

  2449. // -----------------------------------------------------------------------

  2450. 

  2451. #ifdef WANT_NATIVE

  2452. size_t CarlaPlugin::getNativePluginCount()

  2453. {

  2454.     return NativePlugin::getPluginCount();

  2455. }

  2456. 

  2457. const NativePluginDescriptor* CarlaPlugin::getNativePluginDescriptor(const size_t index)

  2458. {

  2459.     return NativePlugin::getPluginDescriptor(index);

  2460. }

  2461. #endif

  2462. 

  2463. // -----------------------------------------------------------------------

  2464. 

  2465. CarlaPlugin* CarlaPlugin::newNative(const Initializer& init)

  2466. {

  2467.     carla_debug("CarlaPlugin::newNative({%p, \"%s\", \"%s\", \"%s\"})", init.engine, init.filename, init.name, init.label);

  2468. 

  2469. #ifdef WANT_NATIVE

  2470.     NativePlugin* const plugin(new NativePlugin(init.engine, init.id));

  2471. 

  2472.     if (! plugin->init(init.name, init.label))

  2473.     {

  2474.         delete plugin;

  2475.         return nullptr;

  2476.     }

  2477. 

  2478.     plugin->reload();

  2479. 

  2480.     if (init.engine->getProccessMode() == ENGINE_PROCESS_MODE_CONTINUOUS_RACK && ! plugin->canRunInRack())

  2481.     {

  2482.         init.engine->setLastError("Carla's rack mode can only work with Mono or Stereo Internal plugins, sorry!");

  2483.         delete plugin;

  2484.         return nullptr;

  2485.     }

  2486. 

  2487.     return plugin;

  2488. #else

  2489.     init.engine->setLastError("Internal plugins support not available");

  2490.     return nullptr;

  2491. #endif

  2492. }

  2493. 

  2494. CARLA_BACKEND_END_NAMESPACE