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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< ::MidiEvent>(fMidiEvents, kPluginMaxMidiEvents*2);

  124.         carla_zeroStruct< ::TimeInfo>(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_GUI)

  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 Parameter* const param = fDescriptor->get_parameter_info(fHandle, parameterId))

  234.             return param->scalePointCount;

  235. 

  236.         carla_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 getAvailableOptions() 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() != 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 Parameter* const param = fDescriptor->get_parameter_info(fHandle, parameterId))

  303.         {

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

  305.             return scalePoint->value;

  306.         }

  307. 

  308.         carla_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 Parameter* 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_assert("param->name != nullptr", __FILE__, __LINE__);

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

  368.         }

  369. 

  370.         carla_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_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 Parameter* 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.             carla_assert("param->unit != nullptr", __FILE__, __LINE__);

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

  410.         }

  411. 

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

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

  414.     }

  415. 

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

  417.     {

  418.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

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

  420.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

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

  423. 

  424.         if (const Parameter* const param = fDescriptor->get_parameter_info(fHandle, parameterId))

  425.         {

  426.             const ParameterScalePoint* scalePoint(&param->scalePoints[scalePointId]);

  427. 

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

  429.             {

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

  431.                 return;

  432.             }

  433.             carla_assert("scalePoint->label != nullptr", __FILE__, __LINE__);

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

  435.         }

  436. 

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

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

  439.     }

  440. 

  441.     // -------------------------------------------------------------------

  442.     // Set data (state)

  443. 

  444.     void prepareForSave() override

  445.     {

  446.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  447.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  448. 

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

  450.         {

  451.             char strBuf[STR_MAX+1];

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

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

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

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

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

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

  458. 

  459.             CarlaPlugin::setCustomData(CUSTOM_DATA_STRING, "midiPrograms", strBuf, false);

  460.         }

  461. 

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

  463.             return;

  464. 

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

  466.         {

  467.             CarlaPlugin::setCustomData(CUSTOM_DATA_CHUNK, "State", data, false);

  468.             std::free(data);

  469.         }

  470.     }

  471. 

  472.     // -------------------------------------------------------------------

  473.     // Set data (internal stuff)

  474. 

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

  476.     {

  477.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  478.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  480. 

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

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

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

  484. 

  485.         if (fHost.uiName != nullptr)

  486.             delete[] fHost.uiName;

  487.         fHost.uiName = carla_strdup(uiName);

  488. 

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

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

  491. 

  492.         CarlaPlugin::setName(newName);

  493.     }

  494. 

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

  496.     {

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

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

  499. 

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

  501.     }

  502. 

  503.     // -------------------------------------------------------------------

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

  505. 

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

  507.     {

  508.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

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

  510.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  512. 

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

  514. 

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

  516. 

  517.         if (fHandle2 != nullptr)

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

  519. 

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

  521.     }

  522. 

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

  524.     {

  525.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  526.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

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

  529.         CARLA_SAFE_ASSERT_RETURN(value != nullptr,);

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

  531. 

  532.         if (std::strcmp(type, CUSTOM_DATA_STRING) != 0 && std::strcmp(type, CUSTOM_DATA_CHUNK) != 0)

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

  534. 

  535.         if (std::strcmp(type, CUSTOM_DATA_CHUNK) == 0)

  536.         {

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

  538.             {

  539.                 const ScopedSingleProcessLocker spl(this, true);

  540. 

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

  542. 

  543.                 if (fHandle2 != nullptr)

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

  545.             }

  546.         }

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

  548.         {

  549. #if 0 // TODO

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

  551. 

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

  553.             {

  554.                 uint i = 0;

  555.                 foreach (const QString& midiProg, midiProgramList)

  556.                 {

  557.                     bool ok;

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

  559. 

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

  561.                     {

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

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

  564. 

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

  566. 

  567.                         if (fHandle2 != nullptr)

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

  569. 

  570.                         fCurMidiProgs[i] = index;

  571. 

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

  573.                         {

  574.                             pData->midiprog.current = index;

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

  576.                         }

  577.                     }

  578. 

  579.                     ++i;

  580.                 }

  581.             }

  582. #endif

  583.         }

  584.         else

  585.         {

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

  587.             {

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

  589. 

  590.                 if (fHandle2 != nullptr)

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

  592.             }

  593. 

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

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

  596.         }

  597. 

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

  599.     }

  600. 

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

  602.     {

  603.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  604.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  606. 

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

  608.            return;

  609. 

  610.         if (index >= 0)

  611.         {

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

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

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

  615. 

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

  617. 

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

  619. 

  620.             if (fHandle2 != nullptr)

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

  622. 

  623.             fCurMidiProgs[channel] = index;

  624.         }

  625. 

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

  627.     }

  628. 

  629.     // -------------------------------------------------------------------

  630.     // Set gui stuff

  631. 

  632.     void showGui(const bool yesNo) override

  633.     {

  634.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  635.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  636. 

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

  638.             return;

  639. 

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

  641.         fIsUiVisible = yesNo;

  642. 

  643.         if (! yesNo)

  644.             return;

  645. 

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

  647.         {

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

  649.             {

  650.                 const CustomData& cData(*it);

  651. 

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

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

  654.             }

  655.         }

  656. 

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

  658.         {

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

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

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

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

  663. 

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

  665.         }

  666. 

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

  668.         {

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

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

  671.         }

  672.     }

  673. 

  674.     void idleGui() override

  675.     {

  676.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  677.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  678. 

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

  680.             fDescriptor->ui_idle(fHandle);

  681.     }

  682. 

  683.     // -------------------------------------------------------------------

  684.     // Plugin state

  685. 

  686.     void reload() override

  687.     {

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

  689.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  690.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  692. 

  693.         const ProcessMode processMode(pData->engine->getProccessMode());

  694. 

  695.         // Safely disable plugin for reload

  696.         const ScopedDisabler sd(this);

  697. 

  698.         if (pData->active)

  699.             deactivate();

  700. 

  701.         clearBuffers();

  702. 

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

  704. 

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

  706. 

  707.         bool forcedStereoIn, forcedStereoOut;

  708.         forcedStereoIn = forcedStereoOut = false;

  709. 

  710.         bool needsCtrlIn, needsCtrlOut;

  711.         needsCtrlIn = needsCtrlOut = false;

  712. 

  713.         aIns   = fDescriptor->audioIns;

  714.         aOuts  = fDescriptor->audioOuts;

  715.         mIns   = fDescriptor->midiIns;

  716.         mOuts  = fDescriptor->midiOuts;

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

  718. 

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

  720.         {

  721.             if (fHandle2 == nullptr)

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

  723. 

  724.             if (fHandle2 != nullptr)

  725.             {

  726.                 if (aIns == 1)

  727.                 {

  728.                     aIns = 2;

  729.                     forcedStereoIn = true;

  730.                 }

  731. 

  732.                 if (aOuts == 1)

  733.                 {

  734.                     aOuts = 2;

  735.                     forcedStereoOut = true;

  736.                 }

  737.             }

  738.         }

  739. 

  740.         if (aIns > 0)

  741.         {

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

  743.             fAudioInBuffers = new float*[aIns];

  744. 

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

  746.                 fAudioInBuffers[i] = nullptr;

  747.         }

  748. 

  749.         if (aOuts > 0)

  750.         {

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

  752.             fAudioOutBuffers = new float*[aOuts];

  753.             needsCtrlIn = true;

  754. 

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

  756.                 fAudioOutBuffers[i] = nullptr;

  757.         }

  758. 

  759.         if (mIns > 0)

  760.         {

  761.             fMidiIn.createNew(mIns);

  762.             needsCtrlIn = (mIns == 1);

  763.         }

  764. 

  765.         if (mOuts > 0)

  766.         {

  767.             fMidiOut.createNew(mOuts);

  768.             needsCtrlOut = (mOuts == 1);

  769.         }

  770. 

  771.         if (params > 0)

  772.         {

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

  774.         }

  775. 

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

  777.         CarlaString portName;

  778. 

  779.         // Audio Ins

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

  781.         {

  782.             portName.clear();

  783. 

  784.             if (processMode == PROCESS_MODE_SINGLE_CLIENT)

  785.             {

  786.                 portName  = fName;

  787.                 portName += ":";

  788.             }

  789. 

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

  791.             {

  792.                 portName += "input_";

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

  794.             }

  795.             else

  796.                 portName += "input";

  797. 

  798.             portName.truncate(portNameSize);

  799. 

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

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

  802. 

  803.             if (forcedStereoIn)

  804.             {

  805.                 portName += "_2";

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

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

  808.                 break;

  809.             }

  810.         }

  811. 

  812.         // Audio Outs

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

  814.         {

  815.             portName.clear();

  816. 

  817.             if (processMode == PROCESS_MODE_SINGLE_CLIENT)

  818.             {

  819.                 portName  = fName;

  820.                 portName += ":";

  821.             }

  822. 

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

  824.             {

  825.                 portName += "output_";

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

  827.             }

  828.             else

  829.                 portName += "output";

  830. 

  831.             portName.truncate(portNameSize);

  832. 

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

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

  835. 

  836.             if (forcedStereoOut)

  837.             {

  838.                 portName += "_2";

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

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

  841.                 break;

  842.             }

  843.         }

  844. 

  845.         // MIDI Input (only if multiple)

  846.         if (mIns > 1)

  847.         {

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

  849.             {

  850.                 portName.clear();

  851. 

  852.                 if (processMode == PROCESS_MODE_SINGLE_CLIENT)

  853.                 {

  854.                     portName  = fName;

  855.                     portName += ":";

  856.                 }

  857. 

  858.                 portName += "midi-in_";

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

  860.                 portName.truncate(portNameSize);

  861. 

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

  863.                 fMidiIn.indexes[j] = j;

  864.             }

  865.         }

  866. 

  867.         // MIDI Output (only if multiple)

  868.         if (mOuts > 1)

  869.         {

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

  871.             {

  872.                 portName.clear();

  873. 

  874.                 if (processMode == PROCESS_MODE_SINGLE_CLIENT)

  875.                 {

  876.                     portName  = fName;

  877.                     portName += ":";

  878.                 }

  879. 

  880.                 portName += "midi-out_";

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

  882.                 portName.truncate(portNameSize);

  883. 

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

  885.                 fMidiOut.indexes[j] = j;

  886.             }

  887.         }

  888. 

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

  890.         {

  891.             const ::Parameter* const paramInfo(fDescriptor->get_parameter_info(fHandle, j));

  892. 

  893.             CARLA_ASSERT(paramInfo != nullptr);

  894. 

  895.             if (paramInfo == nullptr)

  896.                 continue;

  897. 

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

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

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

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

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

  903. 

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

  905. 

  906.             // min value

  907.             min = paramInfo->ranges.min;

  908. 

  909.             // max value

  910.             max = paramInfo->ranges.max;

  911. 

  912.             if (min > max)

  913.                 max = min;

  914.             else if (max < min)

  915.                 min = max;

  916. 

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

  918.             {

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

  920.                 max = min + 0.1f;

  921.             }

  922. 

  923.             // default value

  924.             def = paramInfo->ranges.def;

  925. 

  926.             if (def < min)

  927.                 def = min;

  928.             else if (def > max)

  929.                 def = max;

  930. 

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

  932.             {

  933.                 min *= sampleRate;

  934.                 max *= sampleRate;

  935.                 def *= sampleRate;

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

  937.             }

  938. 

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

  940.             {

  941.                 step = max - min;

  942.                 stepSmall = step;

  943.                 stepLarge = step;

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

  945.             }

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

  947.             {

  948.                 step = 1.0f;

  949.                 stepSmall = 1.0f;

  950.                 stepLarge = 10.0f;

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

  952.             }

  953.             else

  954.             {

  955.                 float range = max - min;

  956.                 step = range/100.0f;

  957.                 stepSmall = range/1000.0f;

  958.                 stepLarge = range/10.0f;

  959.             }

  960. 

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

  962.             {

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

  964.                 needsCtrlOut = true;

  965.             }

  966.             else

  967.             {

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

  969.                 needsCtrlIn = true;

  970.             }

  971. 

  972.             // extra parameter hints

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

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

  975. 

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

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

  978. 

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

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

  981. 

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

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

  984. 

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

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

  987. 

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

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

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

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

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

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

  994.         }

  995. 

  996.         if (needsCtrlIn)

  997.         {

  998.             portName.clear();

  999. 

  1000.             if (processMode == PROCESS_MODE_SINGLE_CLIENT)

  1001.             {

  1002.                 portName  = fName;

  1003.                 portName += ":";

  1004.             }

  1005. 

  1006.             portName += "events-in";

  1007.             portName.truncate(portNameSize);

  1008. 

  1009.             pData->event.portIn = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, true);

  1010.         }

  1011. 

  1012.         if (needsCtrlOut)

  1013.         {

  1014.             portName.clear();

  1015. 

  1016.             if (processMode == PROCESS_MODE_SINGLE_CLIENT)

  1017.             {

  1018.                 portName  = fName;

  1019.                 portName += ":";

  1020.             }

  1021. 

  1022.             portName += "events-out";

  1023.             portName.truncate(portNameSize);

  1024. 

  1025.             pData->event.portOut = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, false);

  1026.         }

  1027. 

  1028.         if (forcedStereoIn || forcedStereoOut)

  1029.             fOptions |= PLUGIN_OPTION_FORCE_STEREO;

  1030.         else

  1031.             fOptions &= ~PLUGIN_OPTION_FORCE_STEREO;

  1032. 

  1033.         // plugin hints

  1034.         fHints = 0x0;

  1035. 

  1036.         if (aOuts > 0 && (aIns == aOuts || aIns == 1))

  1037.             fHints |= PLUGIN_CAN_DRYWET;

  1038. 

  1039.         if (aOuts > 0)

  1040.             fHints |= PLUGIN_CAN_VOLUME;

  1041. 

  1042.         if (aOuts >= 2 && aOuts % 2 == 0)

  1043.             fHints |= PLUGIN_CAN_BALANCE;

  1044. 

  1045.         // native plugin hints

  1046.         if (fDescriptor->hints & ::PLUGIN_IS_RTSAFE)

  1047.             fHints |= PLUGIN_IS_RTSAFE;

  1048.         if (fDescriptor->hints & ::PLUGIN_HAS_GUI)

  1049.             fHints |= PLUGIN_HAS_GUI;

  1050.         if (fDescriptor->hints & ::PLUGIN_NEEDS_SINGLE_THREAD)

  1051.             fHints |= PLUGIN_NEEDS_SINGLE_THREAD;

  1052.         if (fDescriptor->hints & ::PLUGIN_NEEDS_FIXED_BUFFERS)

  1053.             fHints |= PLUGIN_NEEDS_FIXED_BUFFERS;

  1054. 

  1055.         // extra plugin hints

  1056.         pData->extraHints = 0x0;

  1057. 

  1058.         if (aIns <= 2 && aOuts <= 2 && (aIns == aOuts || aIns == 0 || aOuts == 0) && mIns <= 1 && mOuts <= 1)

  1059.             pData->extraHints |= PLUGIN_EXTRA_HINT_CAN_RUN_RACK;

  1060. 

  1061.         bufferSizeChanged(pData->engine->getBufferSize());

  1062.         reloadPrograms(true);

  1063. 

  1064.         if (pData->active)

  1065.             activate();

  1066. 

  1067.         carla_debug("NativePlugin::reload() - end");

  1068.     }

  1069. 

  1070.     void reloadPrograms(const bool init) override

  1071.     {

  1072.         carla_debug("NativePlugin::reloadPrograms(%s)", bool2str(init));

  1073.         uint32_t i, oldCount  = pData->midiprog.count;

  1074.         const int32_t current = pData->midiprog.current;

  1075. 

  1076.         // Delete old programs

  1077.         pData->midiprog.clear();

  1078. 

  1079.         // Query new programs

  1080.         uint32_t count = 0;

  1081.         if (fDescriptor->get_midi_program_count != nullptr && fDescriptor->get_midi_program_info != nullptr && fDescriptor->set_midi_program != nullptr)

  1082.             count = fDescriptor->get_midi_program_count(fHandle);

  1083. 

  1084.         if (count > 0)

  1085.         {

  1086.             pData->midiprog.createNew(count);

  1087. 

  1088.             // Update data

  1089.             for (i=0; i < count; ++i)

  1090.             {

  1091.                 const ::MidiProgram* const mpDesc = fDescriptor->get_midi_program_info(fHandle, i);

  1092.                 CARLA_ASSERT(mpDesc != nullptr);

  1093.                 CARLA_ASSERT(mpDesc->name != nullptr);

  1094. 

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

  1096.                 pData->midiprog.data[i].program = mpDesc->program;

  1097.                 pData->midiprog.data[i].name    = carla_strdup(mpDesc->name);

  1098.             }

  1099.         }

  1100. 

  1101. #ifndef BUILD_BRIDGE

  1102.         // Update OSC Names

  1103.         if (pData->engine->isOscControlRegistered())

  1104.         {

  1105.             pData->engine->oscSend_control_set_midi_program_count(fId, count);

  1106. 

  1107.             for (i=0; i < count; ++i)

  1108.                 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);

  1109.         }

  1110. #endif

  1111. 

  1112.         if (init)

  1113.         {

  1114.             if (count > 0)

  1115.                 setMidiProgram(0, false, false, false);

  1116.         }

  1117.         else

  1118.         {

  1119.             // Check if current program is invalid

  1120.             bool programChanged = false;

  1121. 

  1122.             if (count == oldCount+1)

  1123.             {

  1124.                 // one midi program added, probably created by user

  1125.                 pData->midiprog.current = oldCount;

  1126.                 programChanged = true;

  1127.             }

  1128.             else if (current < 0 && count > 0)

  1129.             {

  1130.                 // programs exist now, but not before

  1131.                 pData->midiprog.current = 0;

  1132.                 programChanged = true;

  1133.             }

  1134.             else if (current >= 0 && count == 0)

  1135.             {

  1136.                 // programs existed before, but not anymore

  1137.                 pData->midiprog.current = -1;

  1138.                 programChanged = true;

  1139.             }

  1140.             else if (current >= static_cast<int32_t>(count))

  1141.             {

  1142.                 // current midi program > count

  1143.                 pData->midiprog.current = 0;

  1144.                 programChanged = true;

  1145.             }

  1146.             else

  1147.             {

  1148.                 // no change

  1149.                 pData->midiprog.current = current;

  1150.             }

  1151. 

  1152.             if (programChanged)

  1153.                 setMidiProgram(pData->midiprog.current, true, true, true);

  1154. 

  1155.             pData->engine->callback(CALLBACK_RELOAD_PROGRAMS, fId, 0, 0, 0.0f, nullptr);

  1156.         }

  1157.     }

  1158. 

  1159.     // -------------------------------------------------------------------

  1160.     // Plugin processing

  1161. 

  1162.     void activate() override

  1163.     {

  1164.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1165.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  1166. 

  1167.         if (fDescriptor->activate != nullptr)

  1168.         {

  1169.             fDescriptor->activate(fHandle);

  1170. 

  1171.             if (fHandle2 != nullptr)

  1172.                 fDescriptor->activate(fHandle2);

  1173.         }

  1174.     }

  1175. 

  1176.     void deactivate() override

  1177.     {

  1178.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1179.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  1180. 

  1181.         if (fDescriptor->deactivate != nullptr)

  1182.         {

  1183.             fDescriptor->deactivate(fHandle);

  1184. 

  1185.             if (fHandle2 != nullptr)

  1186.                 fDescriptor->deactivate(fHandle2);

  1187.         }

  1188.     }

  1189. 

  1190.     void process(float** const inBuffer, float** const outBuffer, const uint32_t frames) override

  1191.     {

  1192.         uint32_t i, k;

  1193. 

  1194.         // --------------------------------------------------------------------------------------------------------

  1195.         // Check if active

  1196. 

  1197.         if (! pData->active)

  1198.         {

  1199.             // disable any output sound

  1200.             for (i=0; i < pData->audioOut.count; ++i)

  1201.                 FloatVectorOperations::clear(outBuffer[i], frames);

  1202. 

  1203.             return;

  1204.         }

  1205. 

  1206.         fMidiEventCount = 0;

  1207.         carla_zeroStruct< ::MidiEvent>(fMidiEvents, kPluginMaxMidiEvents*2);

  1208. 

  1209.         // --------------------------------------------------------------------------------------------------------

  1210.         // Check if needs reset

  1211. 

  1212.         if (pData->needsReset)

  1213.         {

  1214.             if (fOptions & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1215.             {

  1216.                 for (k=0, i=MAX_MIDI_CHANNELS; k < MAX_MIDI_CHANNELS; ++k)

  1217.                 {

  1218.                     fMidiEvents[k].data[0] = MIDI_STATUS_CONTROL_CHANGE + k;

  1219.                     fMidiEvents[k].data[1] = MIDI_CONTROL_ALL_NOTES_OFF;

  1220.                     fMidiEvents[k].data[2] = 0;

  1221.                     fMidiEvents[k].size    = 3;

  1222. 

  1223.                     fMidiEvents[k+i].data[0] = MIDI_STATUS_CONTROL_CHANGE + k;

  1224.                     fMidiEvents[k+i].data[1] = MIDI_CONTROL_ALL_SOUND_OFF;

  1225.                     fMidiEvents[k+i].data[2] = 0;

  1226.                     fMidiEvents[k+i].size    = 3;

  1227.                 }

  1228. 

  1229.                 fMidiEventCount = MAX_MIDI_CHANNELS*2;

  1230.             }

  1231.             else if (pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1232.             {

  1233.                 for (k=0; k < MAX_MIDI_NOTE; ++k)

  1234.                 {

  1235.                     fMidiEvents[k].data[0] = MIDI_STATUS_NOTE_OFF + pData->ctrlChannel;

  1236.                     fMidiEvents[k].data[1] = k;

  1237.                     fMidiEvents[k].data[2] = 0;

  1238.                     fMidiEvents[k].size    = 3;

  1239.                 }

  1240. 

  1241.                 fMidiEventCount = MAX_MIDI_NOTE;

  1242.             }

  1243. 

  1244.             pData->needsReset = false;

  1245.         }

  1246. 

  1247.         CARLA_PROCESS_CONTINUE_CHECK;

  1248. 

  1249.         // --------------------------------------------------------------------------------------------------------

  1250.         // Set TimeInfo

  1251. 

  1252.         const EngineTimeInfo& timeInfo(pData->engine->getTimeInfo());

  1253. 

  1254.         fTimeInfo.playing = timeInfo.playing;

  1255.         fTimeInfo.frame   = timeInfo.frame;

  1256.         fTimeInfo.usecs   = timeInfo.usecs;

  1257. 

  1258.         if (timeInfo.valid & EngineTimeInfo::ValidBBT)

  1259.         {

  1260.             fTimeInfo.bbt.valid = true;

  1261. 

  1262.             fTimeInfo.bbt.bar  = timeInfo.bbt.bar;

  1263.             fTimeInfo.bbt.beat = timeInfo.bbt.beat;

  1264.             fTimeInfo.bbt.tick = timeInfo.bbt.tick;

  1265.             fTimeInfo.bbt.barStartTick = timeInfo.bbt.barStartTick;

  1266. 

  1267.             fTimeInfo.bbt.beatsPerBar = timeInfo.bbt.beatsPerBar;

  1268.             fTimeInfo.bbt.beatType    = timeInfo.bbt.beatType;

  1269. 

  1270.             fTimeInfo.bbt.ticksPerBeat   = timeInfo.bbt.ticksPerBeat;

  1271.             fTimeInfo.bbt.beatsPerMinute = timeInfo.bbt.beatsPerMinute;

  1272.         }

  1273.         else

  1274.             fTimeInfo.bbt.valid = false;

  1275. 

  1276.         CARLA_PROCESS_CONTINUE_CHECK;

  1277. 

  1278.         // --------------------------------------------------------------------------------------------------------

  1279.         // Event Input and Processing

  1280. 

  1281.         if (pData->event.portIn != nullptr)

  1282.         {

  1283.             // ----------------------------------------------------------------------------------------------------

  1284.             // MIDI Input (External)

  1285. 

  1286.             if (pData->extNotes.mutex.tryLock())

  1287.             {

  1288.                 while (fMidiEventCount < kPluginMaxMidiEvents*2 && ! pData->extNotes.data.isEmpty())

  1289.                 {

  1290.                     const ExternalMidiNote& note(pData->extNotes.data.getFirst(true));

  1291. 

  1292.                     CARLA_ASSERT(note.channel >= 0 && note.channel < MAX_MIDI_CHANNELS);

  1293. 

  1294.                     fMidiEvents[fMidiEventCount].data[0]  = (note.velo > 0) ? MIDI_STATUS_NOTE_ON : MIDI_STATUS_NOTE_OFF;

  1295.                     fMidiEvents[fMidiEventCount].data[0] += note.channel;

  1296.                     fMidiEvents[fMidiEventCount].data[1]  = note.note;

  1297.                     fMidiEvents[fMidiEventCount].data[2]  = note.velo;

  1298.                     fMidiEvents[fMidiEventCount].size     = 3;

  1299. 

  1300.                     fMidiEventCount += 1;

  1301.                 }

  1302. 

  1303.                 pData->extNotes.mutex.unlock();

  1304. 

  1305.             } // End of MIDI Input (External)

  1306. 

  1307.             // ----------------------------------------------------------------------------------------------------

  1308.             // Event Input (System)

  1309. 

  1310.             bool allNotesOffSent = false;

  1311.             bool sampleAccurate  = (fOptions & PLUGIN_OPTION_FIXED_BUFFERS) == 0;

  1312. 

  1313.             uint32_t time, nEvents = pData->event.portIn->getEventCount();

  1314.             uint32_t startTime  = 0;

  1315.             uint32_t timeOffset = 0;

  1316.             uint32_t nextBankId = 0;

  1317. 

  1318.             if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1319.                 nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1320. 

  1321.             for (i=0; i < nEvents; ++i)

  1322.             {

  1323.                 const EngineEvent& event(pData->event.portIn->getEvent(i));

  1324. 

  1325.                 time = event.time;

  1326. 

  1327.                 if (time >= frames)

  1328.                     continue;

  1329. 

  1330.                 CARLA_ASSERT_INT2(time >= timeOffset, time, timeOffset);

  1331. 

  1332.                 if (time > timeOffset && sampleAccurate)

  1333.                 {

  1334.                     if (processSingle(inBuffer, outBuffer, time - timeOffset, timeOffset))

  1335.                     {

  1336.                         startTime  = 0;

  1337.                         timeOffset = time;

  1338. 

  1339.                         if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1340.                             nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1341.                         else

  1342.                             nextBankId = 0;

  1343. 

  1344.                         if (fMidiEventCount > 0)

  1345.                         {

  1346.                             carla_zeroStruct< ::MidiEvent>(fMidiEvents, fMidiEventCount);

  1347.                             fMidiEventCount = 0;

  1348.                         }

  1349.                     }

  1350.                     else

  1351.                         startTime += timeOffset;

  1352.                 }

  1353. 

  1354.                 // Control change

  1355.                 switch (event.type)

  1356.                 {

  1357.                 case kEngineEventTypeNull:

  1358.                     break;

  1359. 

  1360.                 case kEngineEventTypeControl:

  1361.                 {

  1362.                     const EngineControlEvent& ctrlEvent = event.ctrl;

  1363. 

  1364.                     switch (ctrlEvent.type)

  1365.                     {

  1366.                     case kEngineControlEventTypeNull:

  1367.                         break;

  1368. 

  1369.                     case kEngineControlEventTypeParameter:

  1370.                     {

  1371. #ifndef BUILD_BRIDGE

  1372.                         // Control backend stuff

  1373.                         if (event.channel == pData->ctrlChannel)

  1374.                         {

  1375.                             float value;

  1376. 

  1377.                             if (MIDI_IS_CONTROL_BREATH_CONTROLLER(ctrlEvent.param) && (fHints & PLUGIN_CAN_DRYWET) > 0)

  1378.                             {

  1379.                                 value = ctrlEvent.value;

  1380.                                 setDryWet(value, false, false);

  1381.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_DRYWET, 0, value);

  1382.                             }

  1383. 

  1384.                             if (MIDI_IS_CONTROL_CHANNEL_VOLUME(ctrlEvent.param) && (fHints & PLUGIN_CAN_VOLUME) > 0)

  1385.                             {

  1386.                                 value = ctrlEvent.value*127.0f/100.0f;

  1387.                                 setVolume(value, false, false);

  1388.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_VOLUME, 0, value);

  1389.                             }

  1390. 

  1391.                             if (MIDI_IS_CONTROL_BALANCE(ctrlEvent.param) && (fHints & PLUGIN_CAN_BALANCE) > 0)

  1392.                             {

  1393.                                 float left, right;

  1394.                                 value = ctrlEvent.value/0.5f - 1.0f;

  1395. 

  1396.                                 if (value < 0.0f)

  1397.                                 {

  1398.                                     left  = -1.0f;

  1399.                                     right = (value*2.0f)+1.0f;

  1400.                                 }

  1401.                                 else if (value > 0.0f)

  1402.                                 {

  1403.                                     left  = (value*2.0f)-1.0f;

  1404.                                     right = 1.0f;

  1405.                                 }

  1406.                                 else

  1407.                                 {

  1408.                                     left  = -1.0f;

  1409.                                     right = 1.0f;

  1410.                                 }

  1411. 

  1412.                                 setBalanceLeft(left, false, false);

  1413.                                 setBalanceRight(right, false, false);

  1414.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_LEFT, 0, left);

  1415.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_RIGHT, 0, right);

  1416.                             }

  1417.                         }

  1418. #endif

  1419. 

  1420.                         // Control plugin parameters

  1421.                         for (k=0; k < pData->param.count; ++k)

  1422.                         {

  1423.                             if (pData->param.data[k].midiChannel != event.channel)

  1424.                                 continue;

  1425.                             if (pData->param.data[k].midiCC != ctrlEvent.param)

  1426.                                 continue;

  1427.                             if (pData->param.data[k].type != PARAMETER_INPUT)

  1428.                                 continue;

  1429.                             if ((pData->param.data[k].hints & PARAMETER_IS_AUTOMABLE) == 0)

  1430.                                 continue;

  1431. 

  1432.                             float value;

  1433. 

  1434.                             if (pData->param.data[k].hints & PARAMETER_IS_BOOLEAN)

  1435.                             {

  1436.                                 value = (ctrlEvent.value < 0.5f) ? pData->param.ranges[k].min : pData->param.ranges[k].max;

  1437.                             }

  1438.                             else

  1439.                             {

  1440.                                 value = pData->param.ranges[k].getUnnormalizedValue(ctrlEvent.value);

  1441. 

  1442.                                 if (pData->param.data[k].hints & PARAMETER_IS_INTEGER)

  1443.                                     value = std::rint(value);

  1444.                             }

  1445. 

  1446.                             setParameterValue(k, value, false, false, false);

  1447.                             pData->postponeRtEvent(kPluginPostRtEventParameterChange, static_cast<int32_t>(k), 0, value);

  1448.                         }

  1449. 

  1450.                         if ((fOptions & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0 && ctrlEvent.param <= 0x5F)

  1451.                         {

  1452.                             if (fMidiEventCount >= kPluginMaxMidiEvents*2)

  1453.                                 continue;

  1454. 

  1455.                             fMidiEvents[fMidiEventCount].port = 0;

  1456.                             fMidiEvents[fMidiEventCount].time = sampleAccurate ? startTime : time;

  1457.                             fMidiEvents[fMidiEventCount].data[0] = MIDI_STATUS_CONTROL_CHANGE + event.channel;

  1458.                             fMidiEvents[fMidiEventCount].data[1] = ctrlEvent.param;

  1459.                             fMidiEvents[fMidiEventCount].data[2] = ctrlEvent.value*127.0f;

  1460.                             fMidiEvents[fMidiEventCount].size    = 3;

  1461. 

  1462.                             fMidiEventCount += 1;

  1463.                         }

  1464. 

  1465.                         break;

  1466.                     }

  1467. 

  1468.                     case kEngineControlEventTypeMidiBank:

  1469.                         if (event.channel == pData->ctrlChannel && (fOptions & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1470.                             nextBankId = ctrlEvent.param;

  1471.                         break;

  1472. 

  1473.                     case kEngineControlEventTypeMidiProgram:

  1474.                         if (event.channel < MAX_MIDI_CHANNELS && (fOptions & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1475.                         {

  1476.                             const uint32_t nextProgramId(ctrlEvent.param);

  1477. 

  1478.                             for (k=0; k < pData->midiprog.count; ++k)

  1479.                             {

  1480.                                 if (pData->midiprog.data[k].bank == nextBankId && pData->midiprog.data[k].program == nextProgramId)

  1481.                                 {

  1482.                                     fDescriptor->set_midi_program(fHandle, event.channel, nextBankId, nextProgramId);

  1483. 

  1484.                                     if (fHandle2 != nullptr)

  1485.                                         fDescriptor->set_midi_program(fHandle2, event.channel, nextBankId, nextProgramId);

  1486. 

  1487.                                     fCurMidiProgs[event.channel] = k;

  1488. 

  1489.                                     if (event.channel == pData->ctrlChannel)

  1490.                                         pData->postponeRtEvent(kPluginPostRtEventMidiProgramChange, k, 0, 0.0f);

  1491. 

  1492.                                     break;

  1493.                                 }

  1494.                             }

  1495.                         }

  1496.                         break;

  1497. 

  1498.                     case kEngineControlEventTypeAllSoundOff:

  1499.                         if (fOptions & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1500.                         {

  1501.                             if (fMidiEventCount >= kPluginMaxMidiEvents*2)

  1502.                                 continue;

  1503. 

  1504.                             fMidiEvents[fMidiEventCount].port = 0;

  1505.                             fMidiEvents[fMidiEventCount].time = sampleAccurate ? startTime : time;

  1506.                             fMidiEvents[fMidiEventCount].data[0] = MIDI_STATUS_CONTROL_CHANGE + event.channel;

  1507.                             fMidiEvents[fMidiEventCount].data[1] = MIDI_CONTROL_ALL_SOUND_OFF;

  1508.                             fMidiEvents[fMidiEventCount].data[2] = 0;

  1509.                             fMidiEvents[fMidiEventCount].size    = 3;

  1510. 

  1511.                             fMidiEventCount += 1;

  1512.                         }

  1513.                         break;

  1514. 

  1515.                     case kEngineControlEventTypeAllNotesOff:

  1516.                         if (fOptions & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1517.                         {

  1518.                             if (event.channel == pData->ctrlChannel && ! allNotesOffSent)

  1519.                             {

  1520.                                 allNotesOffSent = true;

  1521.                                 sendMidiAllNotesOffToCallback();

  1522.                             }

  1523. 

  1524.                             if (fMidiEventCount >= kPluginMaxMidiEvents*2)

  1525.                                 continue;

  1526. 

  1527.                             fMidiEvents[fMidiEventCount].port = 0;

  1528.                             fMidiEvents[fMidiEventCount].time = sampleAccurate ? startTime : time;

  1529.                             fMidiEvents[fMidiEventCount].data[0] = MIDI_STATUS_CONTROL_CHANGE + event.channel;

  1530.                             fMidiEvents[fMidiEventCount].data[1] = MIDI_CONTROL_ALL_NOTES_OFF;

  1531.                             fMidiEvents[fMidiEventCount].data[2] = 0;

  1532.                             fMidiEvents[fMidiEventCount].size    = 3;

  1533. 

  1534.                             fMidiEventCount += 1;

  1535.                         }

  1536.                         break;

  1537.                     }

  1538. 

  1539.                     break;

  1540.                 }

  1541. 

  1542.                 case kEngineEventTypeMidi:

  1543.                 {

  1544.                     if (fMidiEventCount >= kPluginMaxMidiEvents*2)

  1545.                         continue;

  1546. 

  1547.                     const EngineMidiEvent& midiEvent(event.midi);

  1548. 

  1549.                     uint8_t status  = MIDI_GET_STATUS_FROM_DATA(midiEvent.data);

  1550.                     uint8_t channel = event.channel;

  1551. 

  1552.                     if (MIDI_IS_STATUS_CHANNEL_PRESSURE(status) && (fOptions & PLUGIN_OPTION_SEND_CHANNEL_PRESSURE) == 0)

  1553.                         continue;

  1554.                     if (MIDI_IS_STATUS_CONTROL_CHANGE(status) && (fOptions & PLUGIN_OPTION_SEND_CONTROL_CHANGES) == 0)

  1555.                         continue;

  1556.                     if (MIDI_IS_STATUS_POLYPHONIC_AFTERTOUCH(status) && (fOptions & PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH) == 0)

  1557.                         continue;

  1558.                     if (MIDI_IS_STATUS_PITCH_WHEEL_CONTROL(status) && (fOptions & PLUGIN_OPTION_SEND_PITCHBEND) == 0)

  1559.                         continue;

  1560. 

  1561.                     // Fix bad note-off

  1562.                     if (status == MIDI_STATUS_NOTE_ON && midiEvent.data[2] == 0)

  1563.                         status -= 0x10;

  1564. 

  1565.                     fMidiEvents[fMidiEventCount].port = 0;

  1566.                     fMidiEvents[fMidiEventCount].time = sampleAccurate ? startTime : time;

  1567.                     fMidiEvents[fMidiEventCount].size = midiEvent.size;

  1568. 

  1569.                     fMidiEvents[fMidiEventCount].data[0] = status + channel;

  1570.                     fMidiEvents[fMidiEventCount].data[1] = midiEvent.data[1];

  1571.                     fMidiEvents[fMidiEventCount].data[2] = midiEvent.data[2];

  1572.                     fMidiEvents[fMidiEventCount].data[3] = midiEvent.data[3];

  1573. 

  1574.                     fMidiEventCount += 1;

  1575. 

  1576.                     if (status == MIDI_STATUS_NOTE_ON)

  1577.                         pData->postponeRtEvent(kPluginPostRtEventNoteOn, channel, midiEvent.data[1], midiEvent.data[2]);

  1578.                     else if (status == MIDI_STATUS_NOTE_OFF)

  1579.                         pData->postponeRtEvent(kPluginPostRtEventNoteOff, channel, midiEvent.data[1], 0.0f);

  1580. 

  1581.                     break;

  1582.                 }

  1583.                 }

  1584.             }

  1585. 

  1586.             pData->postRtEvents.trySplice();

  1587. 

  1588.             if (frames > timeOffset)

  1589.                 processSingle(inBuffer, outBuffer, frames - timeOffset, timeOffset);

  1590. 

  1591.         } // End of Event Input and Processing

  1592. 

  1593.         // --------------------------------------------------------------------------------------------------------

  1594.         // Plugin processing (no events)

  1595. 

  1596.         else

  1597.         {

  1598.             processSingle(inBuffer, outBuffer, frames, 0);

  1599. 

  1600.         } // End of Plugin processing (no events)

  1601. 

  1602.         CARLA_PROCESS_CONTINUE_CHECK;

  1603. 

  1604.         // --------------------------------------------------------------------------------------------------------

  1605.         // Control and MIDI Output

  1606. 

  1607.         if (fMidiOut.count > 0 || pData->event.portOut != nullptr)

  1608.         {

  1609.             float value, curValue;

  1610. 

  1611.             for (k=0; k < pData->param.count; ++k)

  1612.             {

  1613.                 if (pData->param.data[k].type != PARAMETER_OUTPUT)

  1614.                     continue;

  1615. 

  1616.                 curValue = fDescriptor->get_parameter_value(fHandle, k);

  1617.                 pData->param.ranges[k].fixValue(curValue);

  1618. 

  1619.                 if (pData->param.data[k].midiCC > 0)

  1620.                 {

  1621.                     value = pData->param.ranges[k].getNormalizedValue(curValue);

  1622.                     pData->event.portOut->writeControlEvent(0, pData->param.data[k].midiChannel, kEngineControlEventTypeParameter, pData->param.data[k].midiCC, value);

  1623.                 }

  1624.             }

  1625. 

  1626.             // reverse lookup MIDI events

  1627.             for (k = (kPluginMaxMidiEvents*2)-1; k >= fMidiEventCount; --k)

  1628.             {

  1629.                 if (fMidiEvents[k].data[0] == 0)

  1630.                     break;

  1631. 

  1632.                 const uint8_t channel = MIDI_GET_CHANNEL_FROM_DATA(fMidiEvents[k].data);

  1633.                 const uint8_t port    = fMidiEvents[k].port;

  1634. 

  1635.                 if (pData->event.portOut != nullptr)

  1636.                     pData->event.portOut->writeMidiEvent(fMidiEvents[k].time, channel, port, fMidiEvents[k].data, fMidiEvents[k].size);

  1637.                 else if (port < fMidiOut.count)

  1638.                     fMidiOut.ports[port]->writeMidiEvent(fMidiEvents[k].time, channel, port, fMidiEvents[k].data, fMidiEvents[k].size);

  1639.             }

  1640. 

  1641.         } // End of Control and MIDI Output

  1642.     }

  1643. 

  1644.     bool processSingle(float** const inBuffer, float** const outBuffer, const uint32_t frames, const uint32_t timeOffset)

  1645.     {

  1646.         CARLA_ASSERT(frames > 0);

  1647. 

  1648.         if (frames == 0)

  1649.             return false;

  1650. 

  1651.         if (pData->audioIn.count > 0)

  1652.         {

  1653.             CARLA_ASSERT(inBuffer != nullptr);

  1654.             if (inBuffer == nullptr)

  1655.                 return false;

  1656.         }

  1657.         if (pData->audioOut.count > 0)

  1658.         {

  1659.             CARLA_ASSERT(outBuffer != nullptr);

  1660.             if (outBuffer == nullptr)

  1661.                 return false;

  1662.         }

  1663. 

  1664.         uint32_t i, k;

  1665. 

  1666.         // --------------------------------------------------------------------------------------------------------

  1667.         // Try lock, silence otherwise

  1668. 

  1669.         if (pData->engine->isOffline())

  1670.         {

  1671.             pData->singleMutex.lock();

  1672.         }

  1673.         else if (! pData->singleMutex.tryLock())

  1674.         {

  1675.             for (i=0; i < pData->audioOut.count; ++i)

  1676.             {

  1677.                 for (k=0; k < frames; ++k)

  1678.                     outBuffer[i][k+timeOffset] = 0.0f;

  1679.             }

  1680. 

  1681.             return false;

  1682.         }

  1683. 

  1684.         // --------------------------------------------------------------------------------------------------------

  1685.         // Reset audio buffers

  1686. 

  1687.         for (i=0; i < pData->audioIn.count; ++i)

  1688.             FloatVectorOperations::copy(fAudioInBuffers[i], inBuffer[i]+timeOffset, frames);

  1689.         for (i=0; i < pData->audioOut.count; ++i)

  1690.             FloatVectorOperations::clear(fAudioOutBuffers[i], frames);

  1691. 

  1692.         // --------------------------------------------------------------------------------------------------------

  1693.         // Run plugin

  1694. 

  1695.         fIsProcessing = true;

  1696. 

  1697.         if (fHandle2 == nullptr)

  1698.         {

  1699.             fDescriptor->process(fHandle, fAudioInBuffers, fAudioOutBuffers, frames, fMidiEvents, fMidiEventCount);

  1700.         }

  1701.         else

  1702.         {

  1703.             fDescriptor->process(fHandle,

  1704.                                  (pData->audioIn.count > 0) ? &fAudioInBuffers[0] : nullptr,

  1705.                                  (pData->audioOut.count > 0) ? &fAudioOutBuffers[0] : nullptr,

  1706.                                  frames, fMidiEvents, fMidiEventCount);

  1707. 

  1708.             fDescriptor->process(fHandle2,

  1709.                                  (pData->audioIn.count > 0) ? &fAudioInBuffers[1] : nullptr,

  1710.                                  (pData->audioOut.count > 0) ? &fAudioOutBuffers[1] : nullptr,

  1711.                                  frames, fMidiEvents, fMidiEventCount);

  1712.         }

  1713. 

  1714.         fIsProcessing = false;

  1715.         fTimeInfo.frame += frames;

  1716. 

  1717. #ifndef BUILD_BRIDGE

  1718.         // --------------------------------------------------------------------------------------------------------

  1719.         // Post-processing (dry/wet, volume and balance)

  1720. 

  1721.         {

  1722.             const bool doDryWet  = (fHints & PLUGIN_CAN_DRYWET) != 0 && pData->postProc.dryWet != 1.0f;

  1723.             const bool doBalance = (fHints & PLUGIN_CAN_BALANCE) != 0 && (pData->postProc.balanceLeft != -1.0f || pData->postProc.balanceRight != 1.0f);

  1724. 

  1725.             bool isPair;

  1726.             float bufValue, oldBufLeft[doBalance ? frames : 1];

  1727. 

  1728.             for (i=0; i < pData->audioOut.count; ++i)

  1729.             {

  1730.                 // Dry/Wet

  1731.                 if (doDryWet)

  1732.                 {

  1733.                     for (k=0; k < frames; ++k)

  1734.                     {

  1735.                         bufValue = fAudioInBuffers[(pData->audioIn.count == 1) ? 0 : i][k];

  1736.                         fAudioOutBuffers[i][k] = (fAudioOutBuffers[i][k] * pData->postProc.dryWet) + (bufValue * (1.0f - pData->postProc.dryWet));

  1737.                     }

  1738.                 }

  1739. 

  1740.                 // Balance

  1741.                 if (doBalance)

  1742.                 {

  1743.                     isPair = (i % 2 == 0);

  1744. 

  1745.                     if (isPair)

  1746.                     {

  1747.                         CARLA_ASSERT(i+1 < pData->audioOut.count);

  1748.                         FloatVectorOperations::copy(oldBufLeft, fAudioOutBuffers[i], frames);

  1749.                     }

  1750. 

  1751.                     float balRangeL = (pData->postProc.balanceLeft  + 1.0f)/2.0f;

  1752.                     float balRangeR = (pData->postProc.balanceRight + 1.0f)/2.0f;

  1753. 

  1754.                     for (k=0; k < frames; ++k)

  1755.                     {

  1756.                         if (isPair)

  1757.                         {

  1758.                             // left

  1759.                             fAudioOutBuffers[i][k]  = oldBufLeft[k]            * (1.0f - balRangeL);

  1760.                             fAudioOutBuffers[i][k] += fAudioOutBuffers[i+1][k] * (1.0f - balRangeR);

  1761.                         }

  1762.                         else

  1763.                         {

  1764.                             // right

  1765.                             fAudioOutBuffers[i][k]  = fAudioOutBuffers[i][k] * balRangeR;

  1766.                             fAudioOutBuffers[i][k] += oldBufLeft[k]          * balRangeL;

  1767.                         }

  1768.                     }

  1769.                 }

  1770. 

  1771.                 // Volume (and buffer copy)

  1772.                 {

  1773.                     for (k=0; k < frames; ++k)

  1774.                         outBuffer[i][k+timeOffset] = fAudioOutBuffers[i][k] * pData->postProc.volume;

  1775.                 }

  1776.             }

  1777. 

  1778.         } // End of Post-processing

  1779. #else

  1780.         for (i=0; i < pData->audioOut.count; ++i)

  1781.         {

  1782.             for (k=0; k < frames; ++k)

  1783.                 outBuffer[i][k+timeOffset] = fAudioOutBuffers[i][k];

  1784.         }

  1785. #endif

  1786. 

  1787.         // --------------------------------------------------------------------------------------------------------

  1788. 

  1789.         pData->singleMutex.unlock();

  1790.         return true;

  1791.     }

  1792. 

  1793.     void bufferSizeChanged(const uint32_t newBufferSize) override

  1794.     {

  1795.         CARLA_ASSERT_INT(newBufferSize > 0, newBufferSize);

  1796.         carla_debug("NativePlugin::bufferSizeChanged(%i)", newBufferSize);

  1797. 

  1798.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1799.         {

  1800.             if (fAudioInBuffers[i] != nullptr)

  1801.                 delete[] fAudioInBuffers[i];

  1802.             fAudioInBuffers[i] = new float[newBufferSize];

  1803.         }

  1804. 

  1805.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1806.         {

  1807.             if (fAudioOutBuffers[i] != nullptr)

  1808.                 delete[] fAudioOutBuffers[i];

  1809.             fAudioOutBuffers[i] = new float[newBufferSize];

  1810.         }

  1811. 

  1812.         if (fDescriptor != nullptr && fDescriptor->dispatcher != nullptr)

  1813.         {

  1814.             fDescriptor->dispatcher(fHandle, PLUGIN_OPCODE_BUFFER_SIZE_CHANGED, 0, newBufferSize, nullptr, 0.0f);

  1815. 

  1816.             if (fHandle2 != nullptr)

  1817.                 fDescriptor->dispatcher(fHandle2, PLUGIN_OPCODE_BUFFER_SIZE_CHANGED, 0, newBufferSize, nullptr, 0.0f);

  1818.         }

  1819.     }

  1820. 

  1821.     void sampleRateChanged(const double newSampleRate) override

  1822.     {

  1823.         CARLA_ASSERT_INT(newSampleRate > 0.0, newSampleRate);

  1824.         carla_debug("NativePlugin::sampleRateChanged(%g)", newSampleRate);

  1825. 

  1826.         if (fDescriptor != nullptr && fDescriptor->dispatcher != nullptr)

  1827.         {

  1828.             fDescriptor->dispatcher(fHandle, PLUGIN_OPCODE_SAMPLE_RATE_CHANGED, 0, 0, nullptr, newSampleRate);

  1829. 

  1830.             if (fHandle2 != nullptr)

  1831.                 fDescriptor->dispatcher(fHandle2, PLUGIN_OPCODE_SAMPLE_RATE_CHANGED, 0, 0, nullptr, newSampleRate);

  1832.         }

  1833.     }

  1834. 

  1835.     void offlineModeChanged(const bool isOffline) override

  1836.     {

  1837.         if (fDescriptor != nullptr && fDescriptor->dispatcher != nullptr)

  1838.         {

  1839.             fDescriptor->dispatcher(fHandle, PLUGIN_OPCODE_OFFLINE_CHANGED, 0, isOffline ? 1 : 0, nullptr, 0.0f);

  1840. 

  1841.             if (fHandle2 != nullptr)

  1842.                 fDescriptor->dispatcher(fHandle2, PLUGIN_OPCODE_OFFLINE_CHANGED, 0, isOffline ? 1 : 0, nullptr, 0.0f);

  1843.         }

  1844.     }

  1845. 

  1846.     // -------------------------------------------------------------------

  1847.     // Plugin buffers

  1848. 

  1849.     void initBuffers() override

  1850.     {

  1851.         fMidiIn.initBuffers();

  1852.         fMidiOut.initBuffers();

  1853. 

  1854.         CarlaPlugin::initBuffers();

  1855.     }

  1856. 

  1857.     void clearBuffers() override

  1858.     {

  1859.         carla_debug("NativePlugin::clearBuffers() - start");

  1860. 

  1861.         if (fAudioInBuffers != nullptr)

  1862.         {

  1863.             for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1864.             {

  1865.                 if (fAudioInBuffers[i] != nullptr)

  1866.                 {

  1867.                     delete[] fAudioInBuffers[i];

  1868.                     fAudioInBuffers[i] = nullptr;

  1869.                 }

  1870.             }

  1871. 

  1872.             delete[] fAudioInBuffers;

  1873.             fAudioInBuffers = nullptr;

  1874.         }

  1875. 

  1876.         if (fAudioOutBuffers != nullptr)

  1877.         {

  1878.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1879.             {

  1880.                 if (fAudioOutBuffers[i] != nullptr)

  1881.                 {

  1882.                     delete[] fAudioOutBuffers[i];

  1883.                     fAudioOutBuffers[i] = nullptr;

  1884.                 }

  1885.             }

  1886. 

  1887.             delete[] fAudioOutBuffers;

  1888.             fAudioOutBuffers = nullptr;

  1889.         }

  1890. 

  1891.         fMidiIn.clear();

  1892.         fMidiOut.clear();

  1893. 

  1894.         CarlaPlugin::clearBuffers();

  1895. 

  1896.         carla_debug("NativePlugin::clearBuffers() - end");

  1897.     }

  1898. 

  1899.     // -------------------------------------------------------------------

  1900.     // Post-poned UI Stuff

  1901. 

  1902.     void uiParameterChange(const uint32_t index, const float value) override

  1903.     {

  1904.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1905.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  1906.         CARLA_ASSERT(index < pData->param.count);

  1907. 

  1908.         if (! fIsUiVisible)

  1909.             return;

  1910.         if (fDescriptor == nullptr || fHandle == nullptr)

  1911.             return;

  1912.         if (index >= pData->param.count)

  1913.             return;

  1914. 

  1915.         if (fDescriptor->ui_set_parameter_value != nullptr)

  1916.             fDescriptor->ui_set_parameter_value(fHandle, index, value);

  1917.     }

  1918. 

  1919.     void uiMidiProgramChange(const uint32_t index) override

  1920.     {

  1921.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1922.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  1923.         CARLA_ASSERT(index < pData->midiprog.count);

  1924. 

  1925.         if (! fIsUiVisible)

  1926.             return;

  1927.         if (fDescriptor == nullptr || fHandle == nullptr)

  1928.             return;

  1929.         if (index >= pData->midiprog.count)

  1930.             return;

  1931. 

  1932.         if (fDescriptor->ui_set_midi_program != nullptr) // TODO

  1933.             fDescriptor->ui_set_midi_program(fHandle, 0, pData->midiprog.data[index].bank, pData->midiprog.data[index].program);

  1934.     }

  1935. 

  1936.     void uiNoteOn(const uint8_t channel, const uint8_t note, const uint8_t velo) override

  1937.     {

  1938.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1939.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  1940.         CARLA_ASSERT(channel < MAX_MIDI_CHANNELS);

  1941.         CARLA_ASSERT(note < MAX_MIDI_NOTE);

  1942.         CARLA_ASSERT(velo > 0 && velo < MAX_MIDI_VALUE);

  1943. 

  1944.         if (! fIsUiVisible)

  1945.             return;

  1946.         if (fDescriptor == nullptr || fHandle == nullptr)

  1947.             return;

  1948.         if (channel >= MAX_MIDI_CHANNELS)

  1949.             return;

  1950.         if (note >= MAX_MIDI_NOTE)

  1951.             return;

  1952.         if (velo >= MAX_MIDI_VALUE)

  1953.             return;

  1954. 

  1955.         // TODO

  1956.     }

  1957. 

  1958.     void uiNoteOff(const uint8_t channel, const uint8_t note) override

  1959.     {

  1960.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1961.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  1962.         CARLA_ASSERT(channel < MAX_MIDI_CHANNELS);

  1963.         CARLA_ASSERT(note < MAX_MIDI_NOTE);

  1964. 

  1965.         if (! fIsUiVisible)

  1966.             return;

  1967.         if (fDescriptor == nullptr || fHandle == nullptr)

  1968.             return;

  1969.         if (channel >= MAX_MIDI_CHANNELS)

  1970.             return;

  1971.         if (note >= MAX_MIDI_NOTE)

  1972.             return;

  1973. 

  1974.         // TODO

  1975.     }

  1976. 

  1977.     // -------------------------------------------------------------------

  1978. 

  1979. protected:

  1980.     uint32_t handleGetBufferSize() const

  1981.     {

  1982.         return pData->engine->getBufferSize();

  1983.     }

  1984. 

  1985.     double handleGetSampleRate() const

  1986.     {

  1987.         return pData->engine->getSampleRate();

  1988.     }

  1989. 

  1990.     bool handleIsOffline() const

  1991.     {

  1992.         return pData->engine->isOffline();

  1993.     }

  1994. 

  1995.     const ::TimeInfo* handleGetTimeInfo() const

  1996.     {

  1997.         CARLA_SAFE_ASSERT_RETURN(fIsProcessing, nullptr);

  1998. 

  1999.         return &fTimeInfo;

  2000.     }

  2001. 

  2002.     bool handleWriteMidiEvent(const ::MidiEvent* const event)

  2003.     {

  2004.         CARLA_ASSERT(fEnabled);

  2005.         CARLA_ASSERT(fIsProcessing);

  2006.         CARLA_ASSERT(fMidiOut.count > 0 || pData->event.portOut != nullptr);

  2007.         CARLA_ASSERT(event != nullptr);

  2008.         CARLA_ASSERT(event->data[0] != 0);

  2009. 

  2010.         if (! fEnabled)

  2011.             return false;

  2012.         if (fMidiOut.count == 0)

  2013.             return false;

  2014.         if (event == nullptr)

  2015.             return false;

  2016.         if (event->data[0] == 0)

  2017.             return false;

  2018.         if (! fIsProcessing)

  2019.         {

  2020.             carla_stderr2("NativePlugin::handleWriteMidiEvent(%p) - received MIDI out event outside audio thread, ignoring", event);

  2021.             return false;

  2022.         }

  2023. 

  2024.         // reverse-find first free event, and put it there

  2025.         for (uint32_t i=(kPluginMaxMidiEvents*2)-1; i > fMidiEventCount; --i)

  2026.         {

  2027.             if (fMidiEvents[i].data[0] == 0)

  2028.             {

  2029.                 std::memcpy(&fMidiEvents[i], event, sizeof(::MidiEvent));

  2030.                 return true;

  2031.             }

  2032.         }

  2033. 

  2034.         return false;

  2035.     }

  2036. 

  2037.     void handleUiParameterChanged(const uint32_t index, const float value)

  2038.     {

  2039.         setParameterValue(index, value, false, true, true);

  2040.     }

  2041. 

  2042.     void handleUiCustomDataChanged(const char* const key, const char* const value)

  2043.     {

  2044.         setCustomData(CUSTOM_DATA_STRING, key, value, false);

  2045.     }

  2046. 

  2047.     void handleUiClosed()

  2048.     {

  2049.         pData->engine->callback(CALLBACK_SHOW_GUI, fId, 0, 0, 0.0f, nullptr);

  2050.         fIsUiVisible = false;

  2051.     }

  2052. 

  2053.     const char* handleUiOpenFile(const bool isDir, const char* const title, const char* const filter)

  2054.     {

  2055.         static CarlaString retStr;

  2056. #if 0

  2057.         QFileDialog::Options options(isDir ? QFileDialog::ShowDirsOnly : 0x0);

  2058. 

  2059.         retStr = QFileDialog::getOpenFileName(nullptr, title, "", filter, nullptr, options).toUtf8().constData();

  2060. #endif

  2061.         return retStr.isNotEmpty() ? (const char*)retStr : nullptr;

  2062.     }

  2063. 

  2064.     const char* handleUiSaveFile(const bool isDir, const char* const title, const char* const filter)

  2065.     {

  2066.         static CarlaString retStr;

  2067. #if 0

  2068.         QFileDialog::Options options(isDir ? QFileDialog::ShowDirsOnly : 0x0);

  2069. 

  2070.         retStr = QFileDialog::getSaveFileName(nullptr, title, "", filter, nullptr, options).toUtf8().constData();

  2071. #endif

  2072.         return retStr.isNotEmpty() ? (const char*)retStr : nullptr;

  2073.     }

  2074. 

  2075.     intptr_t handleDispatcher(const ::HostDispatcherOpcode opcode, const int32_t index, const intptr_t value, void* const ptr, const float opt)

  2076.     {

  2077.         carla_debug("NativePlugin::handleDispatcher(%i, %i, " P_INTPTR ", %p, %f)", opcode, index, value, ptr, opt);

  2078. 

  2079.         intptr_t ret = 0;

  2080. 

  2081.         switch (opcode)

  2082.         {

  2083.         case ::HOST_OPCODE_NULL:

  2084.             break;

  2085. #ifdef BUILD_BRIDGE

  2086.         case ::HOST_OPCODE_SET_VOLUME:

  2087.         case ::HOST_OPCODE_SET_DRYWET:

  2088.         case ::HOST_OPCODE_SET_BALANCE_LEFT:

  2089.         case ::HOST_OPCODE_SET_BALANCE_RIGHT:

  2090.         case ::HOST_OPCODE_SET_PANNING:

  2091.             break;

  2092. #else

  2093.         case ::HOST_OPCODE_SET_VOLUME:

  2094.             setVolume(opt, true, true);

  2095.             break;

  2096.         case ::HOST_OPCODE_SET_DRYWET:

  2097.             setDryWet(opt, true, true);

  2098.             break;

  2099.         case ::HOST_OPCODE_SET_BALANCE_LEFT:

  2100.             setBalanceLeft(opt, true, true);

  2101.             break;

  2102.         case ::HOST_OPCODE_SET_BALANCE_RIGHT:

  2103.             setBalanceRight(opt, true, true);

  2104.             break;

  2105.         case ::HOST_OPCODE_SET_PANNING:

  2106.             setPanning(opt, true, true);

  2107.             break;

  2108. #endif

  2109.         case HOST_OPCODE_GET_PARAMETER_MIDI_CC:

  2110.         case HOST_OPCODE_SET_PARAMETER_MIDI_CC:

  2111.             // TODO

  2112.             break;

  2113.         case ::HOST_OPCODE_SET_PROCESS_PRECISION:

  2114.             // TODO

  2115.             break;

  2116.         case ::HOST_OPCODE_UPDATE_PARAMETER:

  2117.             break;

  2118.         case ::HOST_OPCODE_UPDATE_MIDI_PROGRAM:

  2119.             break;

  2120.         case ::HOST_OPCODE_RELOAD_PARAMETERS:

  2121.             break;

  2122.         case ::HOST_OPCODE_RELOAD_MIDI_PROGRAMS:

  2123.             break;

  2124.         case ::HOST_OPCODE_RELOAD_ALL:

  2125.             break;

  2126.         case HOST_OPCODE_UI_UNAVAILABLE:

  2127.             pData->engine->callback(CALLBACK_SHOW_GUI, fId, -1, 0, 0.0f, nullptr);

  2128.             break;

  2129.         }

  2130. 

  2131.         return ret;

  2132. 

  2133.         // unused for now

  2134.         (void)index;

  2135.         (void)value;

  2136.         (void)ptr;

  2137.     }

  2138. 

  2139.     // -------------------------------------------------------------------

  2140. 

  2141. public:

  2142.     static size_t getPluginCount()

  2143.     {

  2144.         return sPluginDescriptors.count();

  2145.     }

  2146. 

  2147.     static const ::PluginDescriptor* getPluginDescriptor(const size_t index)

  2148.     {

  2149.         CARLA_ASSERT(index < sPluginDescriptors.count());

  2150. 

  2151.         if (index < sPluginDescriptors.count())

  2152.             return sPluginDescriptors.getAt(index);

  2153. 

  2154.         return nullptr;

  2155.     }

  2156. 

  2157.     static void registerPlugin(const ::PluginDescriptor* desc)

  2158.     {

  2159.         sPluginDescriptors.append(desc);

  2160.     }

  2161. 

  2162.     // -------------------------------------------------------------------

  2163. 

  2164.     bool init(const char* const name, const char* const label)

  2165.     {

  2166.         // ---------------------------------------------------------------

  2167.         // first checks

  2168. 

  2169.         if (pData->engine == nullptr)

  2170.         {

  2171.             return false;

  2172.         }

  2173. 

  2174.         if (pData->client != nullptr)

  2175.         {

  2176.             pData->engine->setLastError("Plugin client is already registered");

  2177.             return false;

  2178.         }

  2179. 

  2180.         if (label == nullptr && label[0] != '\0')

  2181.         {

  2182.             pData->engine->setLastError("null label");

  2183.             return false;

  2184.         }

  2185. 

  2186.         // ---------------------------------------------------------------

  2187.         // get descriptor that matches label

  2188. 

  2189.         for (NonRtList<const ::PluginDescriptor*>::Itenerator it = sPluginDescriptors.begin(); it.valid(); it.next())

  2190.         {

  2191.             fDescriptor = *it;

  2192. 

  2193.             CARLA_SAFE_ASSERT_BREAK(fDescriptor != nullptr);

  2194. 

  2195.             if (fDescriptor->label != nullptr && std::strcmp(fDescriptor->label, label) == 0)

  2196.                 break;

  2197. 

  2198.             fDescriptor = nullptr;

  2199.         }

  2200. 

  2201.         if (fDescriptor == nullptr)

  2202.         {

  2203.             pData->engine->setLastError("Invalid internal plugin");

  2204.             return false;

  2205.         }

  2206. 

  2207.         // ---------------------------------------------------------------

  2208.         // set icon

  2209. 

  2210.         if (std::strcmp(fDescriptor->label, "audiofile") == 0)

  2211.             fIconName = "file";

  2212.         else if (std::strcmp(fDescriptor->label, "midifile") == 0)

  2213.             fIconName = "file";

  2214.         else if (std::strcmp(fDescriptor->label, "sunvoxfile") == 0)

  2215.             fIconName = "file";

  2216. 

  2217.         else if (std::strcmp(fDescriptor->label, "3BandEQ") == 0)

  2218.             fIconName = "distrho";

  2219.         else if (std::strcmp(fDescriptor->label, "3BandSplitter") == 0)

  2220.             fIconName = "distrho";

  2221.         else if (std::strcmp(fDescriptor->label, "Nekobi") == 0)

  2222.             fIconName = "distrho";

  2223.         else if (std::strcmp(fDescriptor->label, "Notes") == 0)

  2224.             fIconName = "distrho";

  2225.         else if (std::strcmp(fDescriptor->label, "PingPongPan") == 0)

  2226.             fIconName = "distrho";

  2227.         else if (std::strcmp(fDescriptor->label, "StereoEnhancer") == 0)

  2228.             fIconName = "distrho";

  2229. 

  2230.         // ---------------------------------------------------------------

  2231.         // get info

  2232. 

  2233.         if (name != nullptr)

  2234.             fName = pData->engine->getUniquePluginName(name);

  2235.         else if (fDescriptor->name != nullptr)

  2236.             fName = pData->engine->getUniquePluginName(fDescriptor->name);

  2237.         else

  2238.             fName = pData->engine->getUniquePluginName(label);

  2239. 

  2240.         {

  2241.             CARLA_ASSERT(fHost.uiName == nullptr);

  2242. 

  2243.             char uiName[fName.length()+6+1];

  2244.             std::strcpy(uiName, (const char*)fName);

  2245.             std::strcat(uiName, " (GUI)");

  2246. 

  2247.             fHost.uiName = carla_strdup(uiName);

  2248.         }

  2249. 

  2250.         // ---------------------------------------------------------------

  2251.         // register client

  2252. 

  2253.         pData->client = pData->engine->addClient(this);

  2254. 

  2255.         if (pData->client == nullptr || ! pData->client->isOk())

  2256.         {

  2257.             pData->engine->setLastError("Failed to register plugin client");

  2258.             return false;

  2259.         }

  2260. 

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

  2262.         // initialize plugin

  2263. 

  2264.         fHandle = fDescriptor->instantiate(&fHost);

  2265. 

  2266.         if (fHandle == nullptr)

  2267.         {

  2268.             pData->engine->setLastError("Plugin failed to initialize");

  2269.             return false;

  2270.         }

  2271. 

  2272.         // ---------------------------------------------------------------

  2273.         // load plugin settings

  2274. 

  2275.         {

  2276.             const bool hasMidiProgs(fDescriptor->get_midi_program_count != nullptr && fDescriptor->get_midi_program_count(fHandle) > 0);

  2277. 

  2278.             // set default options

  2279.             fOptions = 0x0;

  2280. 

  2281.             if (hasMidiProgs && (fDescriptor->supports & ::PLUGIN_SUPPORTS_PROGRAM_CHANGES) == 0)

  2282.                 fOptions |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  2283. 

  2284.             if (getMidiInCount() > 0 || (fDescriptor->hints & ::PLUGIN_NEEDS_FIXED_BUFFERS) != 0)

  2285.                 fOptions |= PLUGIN_OPTION_FIXED_BUFFERS;

  2286. 

  2287.             if (pData->engine->getOptions().forceStereo)

  2288.                 fOptions |= PLUGIN_OPTION_FORCE_STEREO;

  2289. 

  2290.             if (fDescriptor->supports & ::PLUGIN_SUPPORTS_CHANNEL_PRESSURE)

  2291.                 fOptions |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  2292.             if (fDescriptor->supports & ::PLUGIN_SUPPORTS_NOTE_AFTERTOUCH)

  2293.                 fOptions |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  2294.             if (fDescriptor->supports & ::PLUGIN_SUPPORTS_PITCHBEND)

  2295.                 fOptions |= PLUGIN_OPTION_SEND_PITCHBEND;

  2296.             if (fDescriptor->supports & ::PLUGIN_SUPPORTS_ALL_SOUND_OFF)

  2297.                 fOptions |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  2298. 

  2299.             // load settings

  2300.             pData->idStr  = "Native/";

  2301.             pData->idStr += label;

  2302.             fOptions = pData->loadSettings(fOptions, getAvailableOptions());

  2303. 

  2304.             // ignore settings, we need this anyway

  2305.             if (getMidiInCount() > 0 || (fDescriptor->hints & ::PLUGIN_NEEDS_FIXED_BUFFERS) != 0)

  2306.                 fOptions |= PLUGIN_OPTION_FIXED_BUFFERS;

  2307.         }

  2308. 

  2309.         return true;

  2310.     }

  2311. 

  2312.     class ScopedInitializer

  2313.     {

  2314.     public:

  2315.         ScopedInitializer()

  2316.         {

  2317.             carla_register_all_plugins();

  2318.         }

  2319. 

  2320.         ~ScopedInitializer()

  2321.         {

  2322.             sPluginDescriptors.clear();

  2323.         }

  2324.     };

  2325. 

  2326. private:

  2327.     ::PluginHandle   fHandle;

  2328.     ::PluginHandle   fHandle2;

  2329.     ::HostDescriptor fHost;

  2330.     const ::PluginDescriptor* fDescriptor;

  2331. 

  2332.     bool fIsProcessing;

  2333.     bool fIsUiVisible;

  2334. 

  2335.     float**     fAudioInBuffers;

  2336.     float**     fAudioOutBuffers;

  2337.     uint32_t    fMidiEventCount;

  2338.     ::MidiEvent fMidiEvents[kPluginMaxMidiEvents*2];

  2339. 

  2340.     int32_t fCurMidiProgs[MAX_MIDI_CHANNELS];

  2341. 

  2342.     NativePluginMidiData fMidiIn;

  2343.     NativePluginMidiData fMidiOut;

  2344. 

  2345.     ::TimeInfo fTimeInfo;

  2346. 

  2347.     static NonRtList<const ::PluginDescriptor*> sPluginDescriptors;

  2348. 

  2349.     // -------------------------------------------------------------------

  2350. 

  2351.     #define handlePtr ((NativePlugin*)handle)

  2352. 

  2353.     static uint32_t carla_host_get_buffer_size(::HostHandle handle)

  2354.     {

  2355.         return handlePtr->handleGetBufferSize();

  2356.     }

  2357. 

  2358.     static double carla_host_get_sample_rate(::HostHandle handle)

  2359.     {

  2360.         return handlePtr->handleGetSampleRate();

  2361.     }

  2362. 

  2363.     static bool carla_host_is_offline(::HostHandle handle)

  2364.     {

  2365.         return handlePtr->handleIsOffline();

  2366.     }

  2367. 

  2368.     static const ::TimeInfo* carla_host_get_time_info(::HostHandle handle)

  2369.     {

  2370.         return handlePtr->handleGetTimeInfo();

  2371.     }

  2372. 

  2373.     static bool carla_host_write_midi_event(::HostHandle handle, const ::MidiEvent* event)

  2374.     {

  2375.         return handlePtr->handleWriteMidiEvent(event);

  2376.     }

  2377. 

  2378.     static void carla_host_ui_parameter_changed(::HostHandle handle, uint32_t index, float value)

  2379.     {

  2380.         handlePtr->handleUiParameterChanged(index, value);

  2381.     }

  2382. 

  2383.     static void carla_host_ui_custom_data_changed(::HostHandle handle, const char* key, const char* value)

  2384.     {

  2385.         handlePtr->handleUiCustomDataChanged(key, value);

  2386.     }

  2387. 

  2388.     static void carla_host_ui_closed(::HostHandle handle)

  2389.     {

  2390.         handlePtr->handleUiClosed();

  2391.     }

  2392. 

  2393.     static const char* carla_host_ui_open_file(::HostHandle handle, bool isDir, const char* title, const char* filter)

  2394.     {

  2395.         return handlePtr->handleUiOpenFile(isDir, title, filter);

  2396.     }

  2397. 

  2398.     static const char* carla_host_ui_save_file(::HostHandle handle, bool isDir, const char* title, const char* filter)

  2399.     {

  2400.         return handlePtr->handleUiSaveFile(isDir, title, filter);

  2401.     }

  2402. 

  2403.     static intptr_t carla_host_dispatcher(::HostHandle handle, ::HostDispatcherOpcode opcode, int32_t index, intptr_t value, void* ptr, float opt)

  2404.     {

  2405.         return handlePtr->handleDispatcher(opcode, index, value, ptr, opt);

  2406.     }

  2407. 

  2408.     #undef handlePtr

  2409. 

  2410.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(NativePlugin)

  2411. };

  2412. 

  2413. NonRtList<const ::PluginDescriptor*> NativePlugin::sPluginDescriptors;

  2414. 

  2415. static const NativePlugin::ScopedInitializer _si;

  2416. 

  2417. CARLA_BACKEND_END_NAMESPACE

  2418. 

  2419. void carla_register_native_plugin(const PluginDescriptor* desc)

  2420. {

  2421.     CARLA_BACKEND_USE_NAMESPACE

  2422.     NativePlugin::registerPlugin(desc);

  2423. }

  2424. 

  2425. #else // WANT_NATIVE

  2426. # warning Building without Internal plugin support

  2427. #endif

  2428. 

  2429. CARLA_BACKEND_START_NAMESPACE

  2430. 

  2431. // -----------------------------------------------------------------------

  2432. 

  2433. #ifdef WANT_NATIVE

  2434. size_t CarlaPlugin::getNativePluginCount()

  2435. {

  2436.     return NativePlugin::getPluginCount();

  2437. }

  2438. 

  2439. const PluginDescriptor* CarlaPlugin::getNativePluginDescriptor(const size_t index)

  2440. {

  2441.     return NativePlugin::getPluginDescriptor(index);

  2442. }

  2443. #endif

  2444. 

  2445. // -----------------------------------------------------------------------

  2446. 

  2447. CarlaPlugin* CarlaPlugin::newNative(const Initializer& init)

  2448. {

  2449.     carla_debug("CarlaPlugin::newNative({%p, \"%s\", \"%s\", \"%s\"})", init.engine, init.filename, init.name, init.label);

  2450. 

  2451. #ifdef WANT_NATIVE

  2452.     NativePlugin* const plugin(new NativePlugin(init.engine, init.id));

  2453. 

  2454.     if (! plugin->init(init.name, init.label))

  2455.     {

  2456.         delete plugin;

  2457.         return nullptr;

  2458.     }

  2459. 

  2460.     plugin->reload();

  2461. 

  2462.     if (init.engine->getProccessMode() == PROCESS_MODE_CONTINUOUS_RACK && ! plugin->canRunInRack())

  2463.     {

  2464.         init.engine->setLastError("Carla's rack mode can only work with Mono or Stereo Internal plugins, sorry!");

  2465.         delete plugin;

  2466.         return nullptr;

  2467.     }

  2468. 

  2469.     return plugin;

  2470. #else

  2471.     init.engine->setLastError("Internal plugins support not available");

  2472.     return nullptr;

  2473. #endif

  2474. }

  2475. 

  2476. CARLA_BACKEND_END_NAMESPACE