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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. extern "C" {

  25. 

  26. // Simple plugins

  27. void carla_register_native_plugin_bypass();

  28. void carla_register_native_plugin_lfo();

  29. void carla_register_native_plugin_midiGain();

  30. void carla_register_native_plugin_midiSplit();

  31. void carla_register_native_plugin_midiThrough();

  32. void carla_register_native_plugin_midiTranspose();

  33. void carla_register_native_plugin_nekofilter();

  34. void carla_register_native_plugin_sunvoxfile();

  35. void carla_register_native_plugin_vex_fx();

  36. void carla_register_native_plugin_vex_synth();

  37. 

  38. #ifndef BUILD_BRIDGE

  39. // Carla

  40. void carla_register_native_plugin_carla();

  41. #endif

  42. 

  43. #ifdef WANT_AUDIOFILE

  44. // AudioFile

  45. void carla_register_native_plugin_audiofile();

  46. #endif

  47. 

  48. #ifdef WANT_MIDIFILE

  49. // MidiFile

  50. void carla_register_native_plugin_midifile();

  51. #endif

  52. 

  53. #ifdef WANT_OPENGL

  54. // DISTRHO plugins (OpenGL)

  55. void carla_register_native_plugin_3BandEQ();

  56. void carla_register_native_plugin_3BandSplitter();

  57. void carla_register_native_plugin_Nekobi();

  58. void carla_register_native_plugin_PingPongPan();

  59. //void carla_register_native_plugin_StereoEnhancer();

  60. #endif

  61. 

  62. // DISTRHO plugins (PyQt)

  63. void carla_register_native_plugin_BigMeter();

  64. void carla_register_native_plugin_BigMeterM();

  65. void carla_register_native_plugin_Notes();

  66. 

  67. #ifdef WANT_ZYNADDSUBFX

  68. // ZynAddSubFX

  69. void carla_register_native_plugin_zynaddsubfx_fx();

  70. void carla_register_native_plugin_zynaddsubfx_synth();

  71. #endif

  72. }

  73. 

  74. void carla_register_all_plugins()

  75. {

  76.     // Simple plugins

  77.     carla_register_native_plugin_bypass();

  78.     carla_register_native_plugin_lfo();

  79.     carla_register_native_plugin_midiGain();

  80.     carla_register_native_plugin_midiSplit();

  81.     carla_register_native_plugin_midiThrough();

  82.     carla_register_native_plugin_midiTranspose();

  83.     carla_register_native_plugin_nekofilter();

  84.     //carla_register_native_plugin_sunvoxfile(); // unfinished

  85.     carla_register_native_plugin_vex_fx();

  86.     carla_register_native_plugin_vex_synth();

  87. 

  88. #ifndef BUILD_BRIDGE

  89.     // Carla

  90.     //carla_register_native_plugin_carla(); // kinda unfinished

  91. #endif

  92. 

  93. #ifdef WANT_AUDIOFILE

  94.     // AudioFile

  95.     carla_register_native_plugin_audiofile();

  96. #endif

  97. 

  98. #ifdef WANT_MIDIFILE

  99.     // MidiFile

  100.     carla_register_native_plugin_midifile();

  101. #endif

  102. 

  103. #ifdef WANT_OPENGL

  104.     // DISTRHO plugins (OpenGL)

  105.     carla_register_native_plugin_3BandEQ();

  106.     carla_register_native_plugin_3BandSplitter();

  107.     carla_register_native_plugin_Nekobi();

  108.     carla_register_native_plugin_PingPongPan();

  109.     //carla_register_native_plugin_StereoEnhancer(); // unfinished

  110. #endif

  111. 

  112.     // DISTRHO plugins (PyQt)

  113.     carla_register_native_plugin_BigMeter();

  114.     carla_register_native_plugin_BigMeterM();

  115.     carla_register_native_plugin_Notes();

  116. 

  117. #ifdef WANT_ZYNADDSUBFX

  118.     // ZynAddSubFX

  119.     carla_register_native_plugin_zynaddsubfx_fx();

  120.     carla_register_native_plugin_zynaddsubfx_synth();

  121. #endif

  122. }

  123. 

  124. CARLA_BACKEND_START_NAMESPACE

  125. 

  126. #if 0

  127. }

  128. #endif

  129. 

  130. struct NativePluginMidiData {

  131.     uint32_t  count;

  132.     uint32_t* indexes;

  133.     CarlaEngineEventPort** ports;

  134. 

  135.     NativePluginMidiData()

  136.         : count(0),

  137.           indexes(nullptr),

  138.           ports(nullptr) {}

  139. 

  140.     ~NativePluginMidiData()

  141.     {

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

  143.         CARLA_ASSERT(ports == nullptr);

  144.         CARLA_ASSERT(indexes == nullptr);

  145.     }

  146. 

  147.     void createNew(const uint32_t newCount)

  148.     {

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

  150.         CARLA_ASSERT(ports == nullptr);

  151.         CARLA_ASSERT(indexes == nullptr);

  152.         CARLA_ASSERT_INT(newCount > 0, newCount);

  153. 

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

  155.             return;

  156. 

  157.         ports   = new CarlaEngineEventPort*[newCount];

  158.         indexes = new uint32_t[newCount];

  159.         count   = newCount;

  160. 

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

  162.             ports[i] = nullptr;

  163. 

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

  165.             indexes[i] = 0;

  166.     }

  167. 

  168.     void clear()

  169.     {

  170.         if (ports != nullptr)

  171.         {

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

  173.             {

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

  175.                 {

  176.                     delete ports[i];

  177.                     ports[i] = nullptr;

  178.                 }

  179.             }

  180. 

  181.             delete[] ports;

  182.             ports = nullptr;

  183.         }

  184. 

  185.         if (indexes != nullptr)

  186.         {

  187.             delete[] indexes;

  188.             indexes = nullptr;

  189.         }

  190. 

  191.         count = 0;

  192.     }

  193. 

  194.     void initBuffers()

  195.     {

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

  197.         {

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

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

  200.         }

  201.     }

  202. 

  203.     CARLA_DECLARE_NON_COPY_STRUCT(NativePluginMidiData)

  204. };

  205. 

  206. class NativePlugin : public CarlaPlugin

  207. {

  208. public:

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

  210.         : CarlaPlugin(engine, id),

  211.           fHandle(nullptr),

  212.           fHandle2(nullptr),

  213.           fDescriptor(nullptr),

  214.           fIsProcessing(false),

  215.           fIsUiVisible(false),

  216.           fAudioInBuffers(nullptr),

  217.           fAudioOutBuffers(nullptr),

  218. #ifdef CARLA_PROPER_CPP11_SUPPORT

  219.           fMidiEventCount(0),

  220.           fCurMidiProgs{0}

  221. #else

  222.           fMidiEventCount(0)

  223. #endif

  224.     {

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

  226. 

  227. #ifndef CARLA_PROPER_CPP11_SUPPORT

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

  229. #endif

  230. 

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

  232.         carla_zeroStruct< ::TimeInfo>(fTimeInfo);

  233. 

  234.         fHost.handle      = this;

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

  236.         fHost.uiName      = nullptr;

  237. 

  238.         fHost.get_buffer_size        = carla_host_get_buffer_size;

  239.         fHost.get_sample_rate        = carla_host_get_sample_rate;

  240.         fHost.is_offline             = carla_host_is_offline;

  241.         fHost.get_time_info          = carla_host_get_time_info;

  242.         fHost.write_midi_event       = carla_host_write_midi_event;

  243.         fHost.ui_parameter_changed   = carla_host_ui_parameter_changed;

  244.         fHost.ui_custom_data_changed = carla_host_ui_custom_data_changed;

  245.         fHost.ui_closed              = carla_host_ui_closed;

  246.         fHost.ui_open_file           = carla_host_ui_open_file;

  247.         fHost.ui_save_file           = carla_host_ui_save_file;

  248.         fHost.dispatcher             = carla_host_dispatcher;

  249.     }

  250. 

  251.     ~NativePlugin() override

  252.     {

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

  254. 

  255.         // close UI

  256.         if (fHints & PLUGIN_HAS_GUI)

  257.         {

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

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

  260.         }

  261. 

  262.         pData->singleMutex.lock();

  263.         pData->masterMutex.lock();

  264. 

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

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

  267. 

  268.         CARLA_ASSERT(! fIsProcessing);

  269. 

  270.         if (pData->active)

  271.         {

  272.             deactivate();

  273.             pData->active = false;

  274.         }

  275. 

  276.         if (fDescriptor != nullptr)

  277.         {

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

  279.             {

  280.                 if (fHandle != nullptr)

  281.                     fDescriptor->cleanup(fHandle);

  282.                 if (fHandle2 != nullptr)

  283.                     fDescriptor->cleanup(fHandle2);

  284.             }

  285. 

  286.             fHandle  = nullptr;

  287.             fHandle2 = nullptr;

  288.             fDescriptor = nullptr;

  289.         }

  290. 

  291.         if (fHost.resourceDir != nullptr)

  292.         {

  293.             delete[] fHost.resourceDir;

  294.             fHost.resourceDir = nullptr;

  295.         }

  296. 

  297.         if (fHost.uiName != nullptr)

  298.         {

  299.             delete[] fHost.uiName;

  300.             fHost.uiName = nullptr;

  301.         }

  302. 

  303.         clearBuffers();

  304.     }

  305. 

  306.     // -------------------------------------------------------------------

  307.     // Information (base)

  308. 

  309.     PluginType getType() const noexcept override

  310.     {

  311.         return PLUGIN_INTERNAL;

  312.     }

  313. 

  314.     PluginCategory getCategory() const override

  315.     {

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

  317. 

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

  319.     }

  320. 

  321.     // -------------------------------------------------------------------

  322.     // Information (count)

  323. 

  324.     uint32_t getMidiInCount() const noexcept override

  325.     {

  326.         return fMidiIn.count;

  327.     }

  328. 

  329.     uint32_t getMidiOutCount() const noexcept override

  330.     {

  331.         return fMidiOut.count;

  332.     }

  333. 

  334.     uint32_t getParameterScalePointCount(const uint32_t parameterId) const override

  335.     {

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

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

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

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

  340. 

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

  342.             return param->scalePointCount;

  343. 

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

  345.         return 0;

  346.     }

  347. 

  348.     // -------------------------------------------------------------------

  349.     // Information (current data)

  350. 

  351.     // nothing

  352. 

  353.     // -------------------------------------------------------------------

  354.     // Information (per-plugin data)

  355. 

  356.     unsigned int getAvailableOptions() const override

  357.     {

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

  359. 

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

  361. 

  362.         unsigned int options = 0x0;

  363. 

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

  365.             options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  366. 

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

  368.             options |= PLUGIN_OPTION_FIXED_BUFFERS;

  369. 

  370.         if (pData->engine->getProccessMode() != PROCESS_MODE_CONTINUOUS_RACK)

  371.         {

  372.             if (fOptions & PLUGIN_OPTION_FORCE_STEREO)

  373.                 options |= PLUGIN_OPTION_FORCE_STEREO;

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

  375.                 options |= PLUGIN_OPTION_FORCE_STEREO;

  376.         }

  377. 

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

  379.             options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

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

  381.             options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

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

  383.             options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

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

  385.             options |= PLUGIN_OPTION_SEND_PITCHBEND;

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

  387.             options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  388. 

  389.         return options;

  390.     }

  391. 

  392.     float getParameterValue(const uint32_t parameterId) const override

  393.     {

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

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

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

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

  398. 

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

  400.     }

  401. 

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

  403.     {

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

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

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

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

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

  409. 

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

  411.         {

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

  413.             return scalePoint.value;

  414.         }

  415. 

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

  417.         return 0.0f;

  418.     }

  419. 

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

  421.     {

  422.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  423. 

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

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

  426.         else

  427.             CarlaPlugin::getLabel(strBuf);

  428.     }

  429. 

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

  431.     {

  432.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  433. 

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

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

  436.         else

  437.             CarlaPlugin::getMaker(strBuf);

  438.     }

  439. 

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

  441.     {

  442.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  443. 

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

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

  446.         else

  447.             CarlaPlugin::getCopyright(strBuf);

  448.     }

  449. 

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

  451.     {

  452.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  453. 

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

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

  456.         else

  457.             CarlaPlugin::getRealName(strBuf);

  458.     }

  459. 

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

  461.     {

  462.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  463.         CARLA_ASSERT(fHandle != nullptr);

  464.         CARLA_ASSERT(parameterId < pData->param.count);

  465. 

  466.         if (fDescriptor->get_parameter_info != nullptr && parameterId < pData->param.count)

  467.         {

  468.             const Parameter* const param(fDescriptor->get_parameter_info(fHandle, parameterId));

  469. 

  470.             if (param != nullptr && param->name != nullptr)

  471.             {

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

  473.                 return;

  474.             }

  475.         }

  476. 

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

  478.     }

  479. 

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

  481.     {

  482.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  483.         CARLA_ASSERT(fHandle != nullptr);

  484.         CARLA_ASSERT(parameterId < pData->param.count);

  485. 

  486.         if (fDescriptor->get_parameter_value != nullptr && fDescriptor->get_parameter_text != nullptr && parameterId < pData->param.count)

  487.         {

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

  489. 

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

  491.             {

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

  493.                 return;

  494.             }

  495.         }

  496. 

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

  498.     }

  499. 

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

  501.     {

  502.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  503.         CARLA_ASSERT(fHandle != nullptr);

  504.         CARLA_ASSERT(parameterId < pData->param.count);

  505. 

  506.         if (fDescriptor->get_parameter_info != nullptr && parameterId < pData->param.count)

  507.         {

  508.             const Parameter* const param(fDescriptor->get_parameter_info(fHandle, parameterId));

  509. 

  510.             if (param != nullptr && param->unit != nullptr)

  511.             {

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

  513.                 return;

  514.             }

  515.         }

  516. 

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

  518.     }

  519. 

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

  521.     {

  522.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  523.         CARLA_ASSERT(fHandle != nullptr);

  524.         CARLA_ASSERT(parameterId < pData->param.count);

  525.         CARLA_ASSERT(scalePointId < getParameterScalePointCount(parameterId));

  526. 

  527.         if (fDescriptor->get_parameter_info != nullptr && parameterId < pData->param.count)

  528.         {

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

  530.             {

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

  532. 

  533.                 if (scalePoint.label != nullptr)

  534.                 {

  535.                     std::strncpy(strBuf, scalePoint.label, STR_MAX);

  536.                     return;

  537.                 }

  538.             }

  539.         }

  540. 

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

  542.     }

  543. 

  544.     // -------------------------------------------------------------------

  545.     // Set data (state)

  546. 

  547.     void prepareForSave() override

  548.     {

  549.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  550.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  551. 

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

  553.         {

  554.             char strBuf[STR_MAX+1];

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

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

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

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

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

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

  561. 

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

  563.         }

  564. 

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

  566.             return;

  567. 

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

  569.         {

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

  571.             std::free(data);

  572.         }

  573.     }

  574. 

  575.     // -------------------------------------------------------------------

  576.     // Set data (internal stuff)

  577. 

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

  579.     {

  580.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  581.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  583. 

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

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

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

  587. 

  588.         if (fHost.uiName != nullptr)

  589.             delete[] fHost.uiName;

  590.         fHost.uiName = carla_strdup(uiName);

  591. 

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

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

  594. 

  595.         CarlaPlugin::setName(newName);

  596.     }

  597. 

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

  599.     {

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

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

  602. 

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

  604.     }

  605. 

  606.     // -------------------------------------------------------------------

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

  608. 

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

  610.     {

  611.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  612.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  613.         CARLA_ASSERT(parameterId < pData->param.count);

  614. 

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

  616. 

  617.         if (fDescriptor->set_parameter_value != nullptr && parameterId < pData->param.count)

  618.         {

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

  620. 

  621.             if (fHandle2 != nullptr)

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

  623.         }

  624. 

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

  626.     }

  627. 

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

  629.     {

  630.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  631.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  632.         CARLA_ASSERT(type != nullptr);

  633.         CARLA_ASSERT(key != nullptr);

  634.         CARLA_ASSERT(value != nullptr);

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

  636. 

  637.         if (type == nullptr)

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

  639. 

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

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

  642. 

  643.         if (key == nullptr)

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

  645. 

  646.         if (value == nullptr)

  647.             return carla_stderr2("Nativelugin::setCustomData(\"%s\", \"%s\", \"%s\", %s) - value is null", type, key, value, bool2str(sendGui));

  648. 

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

  650.         {

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

  652.             {

  653.                 const ScopedSingleProcessLocker spl(this, true);

  654. 

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

  656. 

  657.                 if (fHandle2 != nullptr)

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

  659.             }

  660.         }

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

  662.         {

  663. #if 0 // TODO

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

  665. 

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

  667.             {

  668.                 uint i = 0;

  669.                 foreach (const QString& midiProg, midiProgramList)

  670.                 {

  671.                     bool ok;

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

  673. 

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

  675.                     {

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

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

  678. 

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

  680. 

  681.                         if (fHandle2 != nullptr)

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

  683. 

  684.                         fCurMidiProgs[i] = index;

  685. 

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

  687.                         {

  688.                             pData->midiprog.current = index;

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

  690.                         }

  691.                     }

  692. 

  693.                     ++i;

  694.                 }

  695.             }

  696. #endif

  697.         }

  698.         else

  699.         {

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

  701.             {

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

  703. 

  704.                 if (fHandle2 != nullptr)

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

  706.             }

  707. 

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

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

  710.         }

  711. 

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

  713.     }

  714. 

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

  716.     {

  717.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  718.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  719.         CARLA_ASSERT(index >= -1 && index < static_cast<int32_t>(pData->midiprog.count));

  720. 

  721.         if (index < -1)

  722.             index = -1;

  723.         else if (index > static_cast<int32_t>(pData->midiprog.count))

  724.             return;

  725. 

  726.         // TODO

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

  728.         //    return;

  729. 

  730.         if (index >= 0)

  731.         {

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

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

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

  735. 

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

  737. 

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

  739. 

  740.             if (fHandle2 != nullptr)

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

  742. 

  743.             fCurMidiProgs[channel] = index;

  744.         }

  745. 

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

  747.     }

  748. 

  749.     // -------------------------------------------------------------------

  750.     // Set gui stuff

  751. 

  752.     void showGui(const bool yesNo) override

  753.     {

  754.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  755.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  756. 

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

  758.             return;

  759. 

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

  761.         fIsUiVisible = yesNo;

  762. 

  763.         if (! yesNo)

  764.             return;

  765. 

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

  767.         {

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

  769.             {

  770.                 const CustomData& cData(*it);

  771. 

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

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

  774.             }

  775.         }

  776. 

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

  778.         {

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

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

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

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

  783. 

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

  785.         }

  786. 

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

  788.         {

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

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

  791.         }

  792.     }

  793. 

  794.     void idleGui() override

  795.     {

  796.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  797.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  798. 

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

  800.             fDescriptor->ui_idle(fHandle);

  801.     }

  802. 

  803.     // -------------------------------------------------------------------

  804.     // Plugin state

  805. 

  806.     void reload() override

  807.     {

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

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

  810.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  811.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  812. 

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

  814. 

  815.         // Safely disable plugin for reload

  816.         const ScopedDisabler sd(this);

  817. 

  818.         if (pData->active)

  819.             deactivate();

  820. 

  821.         clearBuffers();

  822. 

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

  824. 

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

  826. 

  827.         bool forcedStereoIn, forcedStereoOut;

  828.         forcedStereoIn = forcedStereoOut = false;

  829. 

  830.         bool needsCtrlIn, needsCtrlOut;

  831.         needsCtrlIn = needsCtrlOut = false;

  832. 

  833.         aIns   = fDescriptor->audioIns;

  834.         aOuts  = fDescriptor->audioOuts;

  835.         mIns   = fDescriptor->midiIns;

  836.         mOuts  = fDescriptor->midiOuts;

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

  838. 

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

  840.         {

  841.             if (fHandle2 == nullptr)

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

  843. 

  844.             if (fHandle2 != nullptr)

  845.             {

  846.                 if (aIns == 1)

  847.                 {

  848.                     aIns = 2;

  849.                     forcedStereoIn = true;

  850.                 }

  851. 

  852.                 if (aOuts == 1)

  853.                 {

  854.                     aOuts = 2;

  855.                     forcedStereoOut = true;

  856.                 }

  857.             }

  858.         }

  859. 

  860.         if (aIns > 0)

  861.         {

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

  863.             fAudioInBuffers = new float*[aIns];

  864. 

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

  866.                 fAudioInBuffers[i] = nullptr;

  867.         }

  868. 

  869.         if (aOuts > 0)

  870.         {

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

  872.             fAudioOutBuffers = new float*[aOuts];

  873.             needsCtrlIn = true;

  874. 

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

  876.                 fAudioOutBuffers[i] = nullptr;

  877.         }

  878. 

  879.         if (mIns > 0)

  880.         {

  881.             fMidiIn.createNew(mIns);

  882.             needsCtrlIn = (mIns == 1);

  883.         }

  884. 

  885.         if (mOuts > 0)

  886.         {

  887.             fMidiOut.createNew(mOuts);

  888.             needsCtrlOut = (mOuts == 1);

  889.         }

  890. 

  891.         if (params > 0)

  892.         {

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

  894.         }

  895. 

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

  897.         CarlaString portName;

  898. 

  899.         // Audio Ins

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

  901.         {

  902.             portName.clear();

  903. 

  904.             if (processMode == PROCESS_MODE_SINGLE_CLIENT)

  905.             {

  906.                 portName  = fName;

  907.                 portName += ":";

  908.             }

  909. 

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

  911.             {

  912.                 portName += "input_";

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

  914.             }

  915.             else

  916.                 portName += "input";

  917. 

  918.             portName.truncate(portNameSize);

  919. 

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

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

  922. 

  923.             if (forcedStereoIn)

  924.             {

  925.                 portName += "_2";

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

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

  928.                 break;

  929.             }

  930.         }

  931. 

  932.         // Audio Outs

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

  934.         {

  935.             portName.clear();

  936. 

  937.             if (processMode == PROCESS_MODE_SINGLE_CLIENT)

  938.             {

  939.                 portName  = fName;

  940.                 portName += ":";

  941.             }

  942. 

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

  944.             {

  945.                 portName += "output_";

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

  947.             }

  948.             else

  949.                 portName += "output";

  950. 

  951.             portName.truncate(portNameSize);

  952. 

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

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

  955. 

  956.             if (forcedStereoOut)

  957.             {

  958.                 portName += "_2";

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

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

  961.                 break;

  962.             }

  963.         }

  964. 

  965.         // MIDI Input (only if multiple)

  966.         if (mIns > 1)

  967.         {

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

  969.             {

  970.                 portName.clear();

  971. 

  972.                 if (processMode == PROCESS_MODE_SINGLE_CLIENT)

  973.                 {

  974.                     portName  = fName;

  975.                     portName += ":";

  976.                 }

  977. 

  978.                 portName += "midi-in_";

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

  980.                 portName.truncate(portNameSize);

  981. 

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

  983.                 fMidiIn.indexes[j] = j;

  984.             }

  985.         }

  986. 

  987.         // MIDI Output (only if multiple)

  988.         if (mOuts > 1)

  989.         {

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

  991.             {

  992.                 portName.clear();

  993. 

  994.                 if (processMode == PROCESS_MODE_SINGLE_CLIENT)

  995.                 {

  996.                     portName  = fName;

  997.                     portName += ":";

  998.                 }

  999. 

  1000.                 portName += "midi-out_";

  1001.                 portName += CarlaString(j+1);

  1002.                 portName.truncate(portNameSize);

  1003. 

  1004.                 fMidiOut.ports[j]   = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, false);

  1005.                 fMidiOut.indexes[j] = j;

  1006.             }

  1007.         }

  1008. 

  1009.         for (j=0; j < params; ++j)

  1010.         {

  1011.             const ::Parameter* const paramInfo(fDescriptor->get_parameter_info(fHandle, j));

  1012. 

  1013.             CARLA_ASSERT(paramInfo != nullptr);

  1014. 

  1015.             if (paramInfo == nullptr)

  1016.                 continue;

  1017. 

  1018.             pData->param.data[j].index  = j;

  1019.             pData->param.data[j].rindex = j;

  1020.             pData->param.data[j].hints  = 0x0;

  1021.             pData->param.data[j].midiChannel = 0;

  1022.             pData->param.data[j].midiCC = -1;

  1023. 

  1024.             float min, max, def, step, stepSmall, stepLarge;

  1025. 

  1026.             // min value

  1027.             min = paramInfo->ranges.min;

  1028. 

  1029.             // max value

  1030.             max = paramInfo->ranges.max;

  1031. 

  1032.             if (min > max)

  1033.                 max = min;

  1034.             else if (max < min)

  1035.                 min = max;

  1036. 

  1037.             if (max - min == 0.0f)

  1038.             {

  1039.                 carla_stderr2("WARNING - Broken plugin parameter '%s': max - min == 0.0f", paramInfo->name);

  1040.                 max = min + 0.1f;

  1041.             }

  1042. 

  1043.             // default value

  1044.             def = paramInfo->ranges.def;

  1045. 

  1046.             if (def < min)

  1047.                 def = min;

  1048.             else if (def > max)

  1049.                 def = max;

  1050. 

  1051.             if (paramInfo->hints & ::PARAMETER_USES_SAMPLE_RATE)

  1052.             {

  1053.                 min *= sampleRate;

  1054.                 max *= sampleRate;

  1055.                 def *= sampleRate;

  1056.                 pData->param.data[j].hints |= PARAMETER_USES_SAMPLERATE;

  1057.             }

  1058. 

  1059.             if (paramInfo->hints & ::PARAMETER_IS_BOOLEAN)

  1060.             {

  1061.                 step = max - min;

  1062.                 stepSmall = step;

  1063.                 stepLarge = step;

  1064.                 pData->param.data[j].hints |= PARAMETER_IS_BOOLEAN;

  1065.             }

  1066.             else if (paramInfo->hints & ::PARAMETER_IS_INTEGER)

  1067.             {

  1068.                 step = 1.0f;

  1069.                 stepSmall = 1.0f;

  1070.                 stepLarge = 10.0f;

  1071.                 pData->param.data[j].hints |= PARAMETER_IS_INTEGER;

  1072.             }

  1073.             else

  1074.             {

  1075.                 float range = max - min;

  1076.                 step = range/100.0f;

  1077.                 stepSmall = range/1000.0f;

  1078.                 stepLarge = range/10.0f;

  1079.             }

  1080. 

  1081.             if (paramInfo->hints & ::PARAMETER_IS_OUTPUT)

  1082.             {

  1083.                 pData->param.data[j].type = PARAMETER_OUTPUT;

  1084.                 needsCtrlOut = true;

  1085.             }

  1086.             else

  1087.             {

  1088.                 pData->param.data[j].type = PARAMETER_INPUT;

  1089.                 needsCtrlIn = true;

  1090.             }

  1091. 

  1092.             // extra parameter hints

  1093.             if (paramInfo->hints & ::PARAMETER_IS_ENABLED)

  1094.                 pData->param.data[j].hints |= PARAMETER_IS_ENABLED;

  1095. 

  1096.             if (paramInfo->hints & ::PARAMETER_IS_AUTOMABLE)

  1097.                 pData->param.data[j].hints |= PARAMETER_IS_AUTOMABLE;

  1098. 

  1099.             if (paramInfo->hints & ::PARAMETER_IS_LOGARITHMIC)

  1100.                 pData->param.data[j].hints |= PARAMETER_IS_LOGARITHMIC;

  1101. 

  1102.             if (paramInfo->hints & ::PARAMETER_USES_SCALEPOINTS)

  1103.                 pData->param.data[j].hints |= PARAMETER_USES_SCALEPOINTS;

  1104. 

  1105.             if (paramInfo->hints & ::PARAMETER_USES_CUSTOM_TEXT)

  1106.                 pData->param.data[j].hints |= PARAMETER_USES_CUSTOM_TEXT;

  1107. 

  1108.             pData->param.ranges[j].min = min;

  1109.             pData->param.ranges[j].max = max;

  1110.             pData->param.ranges[j].def = def;

  1111.             pData->param.ranges[j].step = step;

  1112.             pData->param.ranges[j].stepSmall = stepSmall;

  1113.             pData->param.ranges[j].stepLarge = stepLarge;

  1114.         }

  1115. 

  1116.         if (needsCtrlIn)

  1117.         {

  1118.             portName.clear();

  1119. 

  1120.             if (processMode == PROCESS_MODE_SINGLE_CLIENT)

  1121.             {

  1122.                 portName  = fName;

  1123.                 portName += ":";

  1124.             }

  1125. 

  1126.             portName += "events-in";

  1127.             portName.truncate(portNameSize);

  1128. 

  1129.             pData->event.portIn = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, true);

  1130.         }

  1131. 

  1132.         if (needsCtrlOut)

  1133.         {

  1134.             portName.clear();

  1135. 

  1136.             if (processMode == PROCESS_MODE_SINGLE_CLIENT)

  1137.             {

  1138.                 portName  = fName;

  1139.                 portName += ":";

  1140.             }

  1141. 

  1142.             portName += "events-out";

  1143.             portName.truncate(portNameSize);

  1144. 

  1145.             pData->event.portOut = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, false);

  1146.         }

  1147. 

  1148.         if (forcedStereoIn || forcedStereoOut)

  1149.             fOptions |= PLUGIN_OPTION_FORCE_STEREO;

  1150.         else

  1151.             fOptions &= ~PLUGIN_OPTION_FORCE_STEREO;

  1152. 

  1153.         // plugin hints

  1154.         fHints = 0x0;

  1155. 

  1156.         if (aOuts > 0 && (aIns == aOuts || aIns == 1))

  1157.             fHints |= PLUGIN_CAN_DRYWET;

  1158. 

  1159.         if (aOuts > 0)

  1160.             fHints |= PLUGIN_CAN_VOLUME;

  1161. 

  1162.         if (aOuts >= 2 && aOuts % 2 == 0)

  1163.             fHints |= PLUGIN_CAN_BALANCE;

  1164. 

  1165.         // native plugin hints

  1166.         if (fDescriptor->hints & ::PLUGIN_IS_RTSAFE)

  1167.             fHints |= PLUGIN_IS_RTSAFE;

  1168.         if (fDescriptor->hints & ::PLUGIN_HAS_GUI)

  1169.             fHints |= PLUGIN_HAS_GUI;

  1170.         if (fDescriptor->hints & ::PLUGIN_NEEDS_SINGLE_THREAD)

  1171.             fHints |= PLUGIN_NEEDS_SINGLE_THREAD;

  1172.         if (fDescriptor->hints & ::PLUGIN_NEEDS_FIXED_BUFFERS)

  1173.             fHints |= PLUGIN_NEEDS_FIXED_BUFFERS;

  1174. 

  1175.         // extra plugin hints

  1176.         pData->extraHints = 0x0;

  1177. 

  1178.         if (aIns <= 2 && aOuts <= 2 && (aIns == aOuts || aIns == 0 || aOuts == 0) && mIns <= 1 && mOuts <= 1)

  1179.             pData->extraHints |= PLUGIN_EXTRA_HINT_CAN_RUN_RACK;

  1180. 

  1181.         bufferSizeChanged(pData->engine->getBufferSize());

  1182.         reloadPrograms(true);

  1183. 

  1184.         if (pData->active)

  1185.             activate();

  1186. 

  1187.         carla_debug("NativePlugin::reload() - end");

  1188.     }

  1189. 

  1190.     void reloadPrograms(const bool init) override

  1191.     {

  1192.         carla_debug("NativePlugin::reloadPrograms(%s)", bool2str(init));

  1193.         uint32_t i, oldCount  = pData->midiprog.count;

  1194.         const int32_t current = pData->midiprog.current;

  1195. 

  1196.         // Delete old programs

  1197.         pData->midiprog.clear();

  1198. 

  1199.         // Query new programs

  1200.         uint32_t count = 0;

  1201.         if (fDescriptor->get_midi_program_count != nullptr && fDescriptor->get_midi_program_info != nullptr && fDescriptor->set_midi_program != nullptr)

  1202.             count = fDescriptor->get_midi_program_count(fHandle);

  1203. 

  1204.         if (count > 0)

  1205.         {

  1206.             pData->midiprog.createNew(count);

  1207. 

  1208.             // Update data

  1209.             for (i=0; i < count; ++i)

  1210.             {

  1211.                 const ::MidiProgram* const mpDesc = fDescriptor->get_midi_program_info(fHandle, i);

  1212.                 CARLA_ASSERT(mpDesc != nullptr);

  1213.                 CARLA_ASSERT(mpDesc->name != nullptr);

  1214. 

  1215.                 pData->midiprog.data[i].bank    = mpDesc->bank;

  1216.                 pData->midiprog.data[i].program = mpDesc->program;

  1217.                 pData->midiprog.data[i].name    = carla_strdup(mpDesc->name);

  1218.             }

  1219.         }

  1220. 

  1221. #ifndef BUILD_BRIDGE

  1222.         // Update OSC Names

  1223.         if (pData->engine->isOscControlRegistered())

  1224.         {

  1225.             pData->engine->oscSend_control_set_midi_program_count(fId, count);

  1226. 

  1227.             for (i=0; i < count; ++i)

  1228.                 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);

  1229.         }

  1230. #endif

  1231. 

  1232.         if (init)

  1233.         {

  1234.             if (count > 0)

  1235.                 setMidiProgram(0, false, false, false);

  1236.         }

  1237.         else

  1238.         {

  1239.             // Check if current program is invalid

  1240.             bool programChanged = false;

  1241. 

  1242.             if (count == oldCount+1)

  1243.             {

  1244.                 // one midi program added, probably created by user

  1245.                 pData->midiprog.current = oldCount;

  1246.                 programChanged = true;

  1247.             }

  1248.             else if (current < 0 && count > 0)

  1249.             {

  1250.                 // programs exist now, but not before

  1251.                 pData->midiprog.current = 0;

  1252.                 programChanged = true;

  1253.             }

  1254.             else if (current >= 0 && count == 0)

  1255.             {

  1256.                 // programs existed before, but not anymore

  1257.                 pData->midiprog.current = -1;

  1258.                 programChanged = true;

  1259.             }

  1260.             else if (current >= static_cast<int32_t>(count))

  1261.             {

  1262.                 // current midi program > count

  1263.                 pData->midiprog.current = 0;

  1264.                 programChanged = true;

  1265.             }

  1266.             else

  1267.             {

  1268.                 // no change

  1269.                 pData->midiprog.current = current;

  1270.             }

  1271. 

  1272.             if (programChanged)

  1273.                 setMidiProgram(pData->midiprog.current, true, true, true);

  1274. 

  1275.             pData->engine->callback(CALLBACK_RELOAD_PROGRAMS, fId, 0, 0, 0.0f, nullptr);

  1276.         }

  1277.     }

  1278. 

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

  1280.     // Plugin processing

  1281. 

  1282.     void activate() override

  1283.     {

  1284.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1285.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  1286. 

  1287.         if (fDescriptor->activate != nullptr)

  1288.         {

  1289.             fDescriptor->activate(fHandle);

  1290. 

  1291.             if (fHandle2 != nullptr)

  1292.                 fDescriptor->activate(fHandle2);

  1293.         }

  1294.     }

  1295. 

  1296.     void deactivate() override

  1297.     {

  1298.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1299.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  1300. 

  1301.         if (fDescriptor->deactivate != nullptr)

  1302.         {

  1303.             fDescriptor->deactivate(fHandle);

  1304. 

  1305.             if (fHandle2 != nullptr)

  1306.                 fDescriptor->deactivate(fHandle2);

  1307.         }

  1308.     }

  1309. 

  1310.     void process(float** const inBuffer, float** const outBuffer, const uint32_t frames) override

  1311.     {

  1312.         uint32_t i, k;

  1313. 

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

  1315.         // Check if active

  1316. 

  1317.         if (! pData->active)

  1318.         {

  1319.             // disable any output sound

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

  1321.                 FloatVectorOperations::clear(outBuffer[i], frames);

  1322. 

  1323.             return;

  1324.         }

  1325. 

  1326.         fMidiEventCount = 0;

  1327.         carla_zeroStruct< ::MidiEvent>(fMidiEvents, kPluginMaxMidiEvents*2);

  1328. 

  1329.         // --------------------------------------------------------------------------------------------------------

  1330.         // Check if needs reset

  1331. 

  1332.         if (pData->needsReset)

  1333.         {

  1334.             if (fOptions & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1335.             {

  1336.                 for (k=0, i=MAX_MIDI_CHANNELS; k < MAX_MIDI_CHANNELS; ++k)

  1337.                 {

  1338.                     fMidiEvents[k].data[0] = MIDI_STATUS_CONTROL_CHANGE + k;

  1339.                     fMidiEvents[k].data[1] = MIDI_CONTROL_ALL_NOTES_OFF;

  1340.                     fMidiEvents[k].data[2] = 0;

  1341.                     fMidiEvents[k].size    = 3;

  1342. 

  1343.                     fMidiEvents[k+i].data[0] = MIDI_STATUS_CONTROL_CHANGE + k;

  1344.                     fMidiEvents[k+i].data[1] = MIDI_CONTROL_ALL_SOUND_OFF;

  1345.                     fMidiEvents[k+i].data[2] = 0;

  1346.                     fMidiEvents[k+i].size    = 3;

  1347.                 }

  1348. 

  1349.                 fMidiEventCount = MAX_MIDI_CHANNELS*2;

  1350.             }

  1351.             else if (pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1352.             {

  1353.                 for (k=0; k < MAX_MIDI_NOTE; ++k)

  1354.                 {

  1355.                     fMidiEvents[k].data[0] = MIDI_STATUS_NOTE_OFF + pData->ctrlChannel;

  1356.                     fMidiEvents[k].data[1] = k;

  1357.                     fMidiEvents[k].data[2] = 0;

  1358.                     fMidiEvents[k].size    = 3;

  1359.                 }

  1360. 

  1361.                 fMidiEventCount = MAX_MIDI_NOTE;

  1362.             }

  1363. 

  1364.             pData->needsReset = false;

  1365.         }

  1366. 

  1367.         CARLA_PROCESS_CONTINUE_CHECK;

  1368. 

  1369.         // --------------------------------------------------------------------------------------------------------

  1370.         // Set TimeInfo

  1371. 

  1372.         const EngineTimeInfo& timeInfo(pData->engine->getTimeInfo());

  1373. 

  1374.         fTimeInfo.playing = timeInfo.playing;

  1375.         fTimeInfo.frame   = timeInfo.frame;

  1376.         fTimeInfo.usecs   = timeInfo.usecs;

  1377. 

  1378.         if (timeInfo.valid & EngineTimeInfo::ValidBBT)

  1379.         {

  1380.             fTimeInfo.bbt.valid = true;

  1381. 

  1382.             fTimeInfo.bbt.bar  = timeInfo.bbt.bar;

  1383.             fTimeInfo.bbt.beat = timeInfo.bbt.beat;

  1384.             fTimeInfo.bbt.tick = timeInfo.bbt.tick;

  1385.             fTimeInfo.bbt.barStartTick = timeInfo.bbt.barStartTick;

  1386. 

  1387.             fTimeInfo.bbt.beatsPerBar = timeInfo.bbt.beatsPerBar;

  1388.             fTimeInfo.bbt.beatType    = timeInfo.bbt.beatType;

  1389. 

  1390.             fTimeInfo.bbt.ticksPerBeat   = timeInfo.bbt.ticksPerBeat;

  1391.             fTimeInfo.bbt.beatsPerMinute = timeInfo.bbt.beatsPerMinute;

  1392.         }

  1393.         else

  1394.             fTimeInfo.bbt.valid = false;

  1395. 

  1396.         CARLA_PROCESS_CONTINUE_CHECK;

  1397. 

  1398.         // --------------------------------------------------------------------------------------------------------

  1399.         // Event Input and Processing

  1400. 

  1401.         if (pData->event.portIn != nullptr)

  1402.         {

  1403.             // ----------------------------------------------------------------------------------------------------

  1404.             // MIDI Input (External)

  1405. 

  1406.             if (pData->extNotes.mutex.tryLock())

  1407.             {

  1408.                 while (fMidiEventCount < kPluginMaxMidiEvents*2 && ! pData->extNotes.data.isEmpty())

  1409.                 {

  1410.                     const ExternalMidiNote& note(pData->extNotes.data.getFirst(true));

  1411. 

  1412.                     CARLA_ASSERT(note.channel >= 0 && note.channel < MAX_MIDI_CHANNELS);

  1413. 

  1414.                     fMidiEvents[fMidiEventCount].data[0]  = (note.velo > 0) ? MIDI_STATUS_NOTE_ON : MIDI_STATUS_NOTE_OFF;

  1415.                     fMidiEvents[fMidiEventCount].data[0] += note.channel;

  1416.                     fMidiEvents[fMidiEventCount].data[1]  = note.note;

  1417.                     fMidiEvents[fMidiEventCount].data[2]  = note.velo;

  1418.                     fMidiEvents[fMidiEventCount].size     = 3;

  1419. 

  1420.                     fMidiEventCount += 1;

  1421.                 }

  1422. 

  1423.                 pData->extNotes.mutex.unlock();

  1424. 

  1425.             } // End of MIDI Input (External)

  1426. 

  1427.             // ----------------------------------------------------------------------------------------------------

  1428.             // Event Input (System)

  1429. 

  1430.             bool allNotesOffSent = false;

  1431.             bool sampleAccurate  = (fOptions & PLUGIN_OPTION_FIXED_BUFFERS) == 0;

  1432. 

  1433.             uint32_t time, nEvents = pData->event.portIn->getEventCount();

  1434.             uint32_t startTime  = 0;

  1435.             uint32_t timeOffset = 0;

  1436.             uint32_t nextBankId = 0;

  1437. 

  1438.             if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1439.                 nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1440. 

  1441.             for (i=0; i < nEvents; ++i)

  1442.             {

  1443.                 const EngineEvent& event(pData->event.portIn->getEvent(i));

  1444. 

  1445.                 time = event.time;

  1446. 

  1447.                 if (time >= frames)

  1448.                     continue;

  1449. 

  1450.                 CARLA_ASSERT_INT2(time >= timeOffset, time, timeOffset);

  1451. 

  1452.                 if (time > timeOffset && sampleAccurate)

  1453.                 {

  1454.                     if (processSingle(inBuffer, outBuffer, time - timeOffset, timeOffset))

  1455.                     {

  1456.                         startTime  = 0;

  1457.                         timeOffset = time;

  1458. 

  1459.                         if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1460.                             nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1461.                         else

  1462.                             nextBankId = 0;

  1463. 

  1464.                         if (fMidiEventCount > 0)

  1465.                         {

  1466.                             carla_zeroStruct< ::MidiEvent>(fMidiEvents, fMidiEventCount);

  1467.                             fMidiEventCount = 0;

  1468.                         }

  1469.                     }

  1470.                     else

  1471.                         startTime += timeOffset;

  1472.                 }

  1473. 

  1474.                 // Control change

  1475.                 switch (event.type)

  1476.                 {

  1477.                 case kEngineEventTypeNull:

  1478.                     break;

  1479. 

  1480.                 case kEngineEventTypeControl:

  1481.                 {

  1482.                     const EngineControlEvent& ctrlEvent = event.ctrl;

  1483. 

  1484.                     switch (ctrlEvent.type)

  1485.                     {

  1486.                     case kEngineControlEventTypeNull:

  1487.                         break;

  1488. 

  1489.                     case kEngineControlEventTypeParameter:

  1490.                     {

  1491. #ifndef BUILD_BRIDGE

  1492.                         // Control backend stuff

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

  1494.                         {

  1495.                             float value;

  1496. 

  1497.                             if (MIDI_IS_CONTROL_BREATH_CONTROLLER(ctrlEvent.param) && (fHints & PLUGIN_CAN_DRYWET) > 0)

  1498.                             {

  1499.                                 value = ctrlEvent.value;

  1500.                                 setDryWet(value, false, false);

  1501.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_DRYWET, 0, value);

  1502.                             }

  1503. 

  1504.                             if (MIDI_IS_CONTROL_CHANNEL_VOLUME(ctrlEvent.param) && (fHints & PLUGIN_CAN_VOLUME) > 0)

  1505.                             {

  1506.                                 value = ctrlEvent.value*127.0f/100.0f;

  1507.                                 setVolume(value, false, false);

  1508.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_VOLUME, 0, value);

  1509.                             }

  1510. 

  1511.                             if (MIDI_IS_CONTROL_BALANCE(ctrlEvent.param) && (fHints & PLUGIN_CAN_BALANCE) > 0)

  1512.                             {

  1513.                                 float left, right;

  1514.                                 value = ctrlEvent.value/0.5f - 1.0f;

  1515. 

  1516.                                 if (value < 0.0f)

  1517.                                 {

  1518.                                     left  = -1.0f;

  1519.                                     right = (value*2.0f)+1.0f;

  1520.                                 }

  1521.                                 else if (value > 0.0f)

  1522.                                 {

  1523.                                     left  = (value*2.0f)-1.0f;

  1524.                                     right = 1.0f;

  1525.                                 }

  1526.                                 else

  1527.                                 {

  1528.                                     left  = -1.0f;

  1529.                                     right = 1.0f;

  1530.                                 }

  1531. 

  1532.                                 setBalanceLeft(left, false, false);

  1533.                                 setBalanceRight(right, false, false);

  1534.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_LEFT, 0, left);

  1535.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_RIGHT, 0, right);

  1536.                             }

  1537.                         }

  1538. #endif

  1539. 

  1540.                         // Control plugin parameters

  1541.                         for (k=0; k < pData->param.count; ++k)

  1542.                         {

  1543.                             if (pData->param.data[k].midiChannel != event.channel)

  1544.                                 continue;

  1545.                             if (pData->param.data[k].midiCC != ctrlEvent.param)

  1546.                                 continue;

  1547.                             if (pData->param.data[k].type != PARAMETER_INPUT)

  1548.                                 continue;

  1549.                             if ((pData->param.data[k].hints & PARAMETER_IS_AUTOMABLE) == 0)

  1550.                                 continue;

  1551. 

  1552.                             float value;

  1553. 

  1554.                             if (pData->param.data[k].hints & PARAMETER_IS_BOOLEAN)

  1555.                             {

  1556.                                 value = (ctrlEvent.value < 0.5f) ? pData->param.ranges[k].min : pData->param.ranges[k].max;

  1557.                             }

  1558.                             else

  1559.                             {

  1560.                                 value = pData->param.ranges[k].getUnnormalizedValue(ctrlEvent.value);

  1561. 

  1562.                                 if (pData->param.data[k].hints & PARAMETER_IS_INTEGER)

  1563.                                     value = std::rint(value);

  1564.                             }

  1565. 

  1566.                             setParameterValue(k, value, false, false, false);

  1567.                             pData->postponeRtEvent(kPluginPostRtEventParameterChange, static_cast<int32_t>(k), 0, value);

  1568.                         }

  1569. 

  1570.                         if ((fOptions & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0 && ctrlEvent.param <= 0x5F)

  1571.                         {

  1572.                             if (fMidiEventCount >= kPluginMaxMidiEvents*2)

  1573.                                 continue;

  1574. 

  1575.                             fMidiEvents[fMidiEventCount].port = 0;

  1576.                             fMidiEvents[fMidiEventCount].time = sampleAccurate ? startTime : time;

  1577.                             fMidiEvents[fMidiEventCount].data[0] = MIDI_STATUS_CONTROL_CHANGE + event.channel;

  1578.                             fMidiEvents[fMidiEventCount].data[1] = ctrlEvent.param;

  1579.                             fMidiEvents[fMidiEventCount].data[2] = ctrlEvent.value*127.0f;

  1580.                             fMidiEvents[fMidiEventCount].size    = 3;

  1581. 

  1582.                             fMidiEventCount += 1;

  1583.                         }

  1584. 

  1585.                         break;

  1586.                     }

  1587. 

  1588.                     case kEngineControlEventTypeMidiBank:

  1589.                         if (event.channel == pData->ctrlChannel && (fOptions & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1590.                             nextBankId = ctrlEvent.param;

  1591.                         break;

  1592. 

  1593.                     case kEngineControlEventTypeMidiProgram:

  1594.                         if (event.channel < MAX_MIDI_CHANNELS && (fOptions & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1595.                         {

  1596.                             const uint32_t nextProgramId(ctrlEvent.param);

  1597. 

  1598.                             for (k=0; k < pData->midiprog.count; ++k)

  1599.                             {

  1600.                                 if (pData->midiprog.data[k].bank == nextBankId && pData->midiprog.data[k].program == nextProgramId)

  1601.                                 {

  1602.                                     fDescriptor->set_midi_program(fHandle, event.channel, nextBankId, nextProgramId);

  1603. 

  1604.                                     if (fHandle2 != nullptr)

  1605.                                         fDescriptor->set_midi_program(fHandle2, event.channel, nextBankId, nextProgramId);

  1606. 

  1607.                                     fCurMidiProgs[event.channel] = k;

  1608. 

  1609.                                     if (event.channel == pData->ctrlChannel)

  1610.                                         pData->postponeRtEvent(kPluginPostRtEventMidiProgramChange, k, 0, 0.0f);

  1611. 

  1612.                                     break;

  1613.                                 }

  1614.                             }

  1615.                         }

  1616.                         break;

  1617. 

  1618.                     case kEngineControlEventTypeAllSoundOff:

  1619.                         if (fOptions & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1620.                         {

  1621.                             if (fMidiEventCount >= kPluginMaxMidiEvents*2)

  1622.                                 continue;

  1623. 

  1624.                             fMidiEvents[fMidiEventCount].port = 0;

  1625.                             fMidiEvents[fMidiEventCount].time = sampleAccurate ? startTime : time;

  1626.                             fMidiEvents[fMidiEventCount].data[0] = MIDI_STATUS_CONTROL_CHANGE + event.channel;

  1627.                             fMidiEvents[fMidiEventCount].data[1] = MIDI_CONTROL_ALL_SOUND_OFF;

  1628.                             fMidiEvents[fMidiEventCount].data[2] = 0;

  1629.                             fMidiEvents[fMidiEventCount].size    = 3;

  1630. 

  1631.                             fMidiEventCount += 1;

  1632.                         }

  1633.                         break;

  1634. 

  1635.                     case kEngineControlEventTypeAllNotesOff:

  1636.                         if (fOptions & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1637.                         {

  1638.                             if (event.channel == pData->ctrlChannel && ! allNotesOffSent)

  1639.                             {

  1640.                                 allNotesOffSent = true;

  1641.                                 sendMidiAllNotesOffToCallback();

  1642.                             }

  1643. 

  1644.                             if (fMidiEventCount >= kPluginMaxMidiEvents*2)

  1645.                                 continue;

  1646. 

  1647.                             fMidiEvents[fMidiEventCount].port = 0;

  1648.                             fMidiEvents[fMidiEventCount].time = sampleAccurate ? startTime : time;

  1649.                             fMidiEvents[fMidiEventCount].data[0] = MIDI_STATUS_CONTROL_CHANGE + event.channel;

  1650.                             fMidiEvents[fMidiEventCount].data[1] = MIDI_CONTROL_ALL_NOTES_OFF;

  1651.                             fMidiEvents[fMidiEventCount].data[2] = 0;

  1652.                             fMidiEvents[fMidiEventCount].size    = 3;

  1653. 

  1654.                             fMidiEventCount += 1;

  1655.                         }

  1656.                         break;

  1657.                     }

  1658. 

  1659.                     break;

  1660.                 }

  1661. 

  1662.                 case kEngineEventTypeMidi:

  1663.                 {

  1664.                     if (fMidiEventCount >= kPluginMaxMidiEvents*2)

  1665.                         continue;

  1666. 

  1667.                     const EngineMidiEvent& midiEvent(event.midi);

  1668. 

  1669.                     uint8_t status  = MIDI_GET_STATUS_FROM_DATA(midiEvent.data);

  1670.                     uint8_t channel = event.channel;

  1671. 

  1672.                     if (MIDI_IS_STATUS_CHANNEL_PRESSURE(status) && (fOptions & PLUGIN_OPTION_SEND_CHANNEL_PRESSURE) == 0)

  1673.                         continue;

  1674.                     if (MIDI_IS_STATUS_CONTROL_CHANGE(status) && (fOptions & PLUGIN_OPTION_SEND_CONTROL_CHANGES) == 0)

  1675.                         continue;

  1676.                     if (MIDI_IS_STATUS_POLYPHONIC_AFTERTOUCH(status) && (fOptions & PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH) == 0)

  1677.                         continue;

  1678.                     if (MIDI_IS_STATUS_PITCH_WHEEL_CONTROL(status) && (fOptions & PLUGIN_OPTION_SEND_PITCHBEND) == 0)

  1679.                         continue;

  1680. 

  1681.                     // Fix bad note-off

  1682.                     if (status == MIDI_STATUS_NOTE_ON && midiEvent.data[2] == 0)

  1683.                         status -= 0x10;

  1684. 

  1685.                     fMidiEvents[fMidiEventCount].port = 0;

  1686.                     fMidiEvents[fMidiEventCount].time = sampleAccurate ? startTime : time;

  1687.                     fMidiEvents[fMidiEventCount].size = midiEvent.size;

  1688. 

  1689.                     fMidiEvents[fMidiEventCount].data[0] = status + channel;

  1690.                     fMidiEvents[fMidiEventCount].data[1] = midiEvent.data[1];

  1691.                     fMidiEvents[fMidiEventCount].data[2] = midiEvent.data[2];

  1692.                     fMidiEvents[fMidiEventCount].data[3] = midiEvent.data[3];

  1693. 

  1694.                     fMidiEventCount += 1;

  1695. 

  1696.                     if (status == MIDI_STATUS_NOTE_ON)

  1697.                         pData->postponeRtEvent(kPluginPostRtEventNoteOn, channel, midiEvent.data[1], midiEvent.data[2]);

  1698.                     else if (status == MIDI_STATUS_NOTE_OFF)

  1699.                         pData->postponeRtEvent(kPluginPostRtEventNoteOff, channel, midiEvent.data[1], 0.0f);

  1700. 

  1701.                     break;

  1702.                 }

  1703.                 }

  1704.             }

  1705. 

  1706.             pData->postRtEvents.trySplice();

  1707. 

  1708.             if (frames > timeOffset)

  1709.                 processSingle(inBuffer, outBuffer, frames - timeOffset, timeOffset);

  1710. 

  1711.         } // End of Event Input and Processing

  1712. 

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

  1714.         // Plugin processing (no events)

  1715. 

  1716.         else

  1717.         {

  1718.             processSingle(inBuffer, outBuffer, frames, 0);

  1719. 

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

  1721. 

  1722.         CARLA_PROCESS_CONTINUE_CHECK;

  1723. 

  1724.         // --------------------------------------------------------------------------------------------------------

  1725.         // Control and MIDI Output

  1726. 

  1727.         if (fMidiOut.count > 0 || pData->event.portOut != nullptr)

  1728.         {

  1729.             float value, curValue;

  1730. 

  1731.             for (k=0; k < pData->param.count; ++k)

  1732.             {

  1733.                 if (pData->param.data[k].type != PARAMETER_OUTPUT)

  1734.                     continue;

  1735. 

  1736.                 curValue = fDescriptor->get_parameter_value(fHandle, k);

  1737.                 pData->param.ranges[k].fixValue(curValue);

  1738. 

  1739.                 if (pData->param.data[k].midiCC > 0)

  1740.                 {

  1741.                     value = pData->param.ranges[k].getNormalizedValue(curValue);

  1742.                     pData->event.portOut->writeControlEvent(0, pData->param.data[k].midiChannel, kEngineControlEventTypeParameter, pData->param.data[k].midiCC, value);

  1743.                 }

  1744.             }

  1745. 

  1746.             // reverse lookup MIDI events

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

  1748.             {

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

  1750.                     break;

  1751. 

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

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

  1754. 

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

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

  1757.                 else if (port < fMidiOut.count)

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

  1759.             }

  1760. 

  1761.         } // End of Control and MIDI Output

  1762.     }

  1763. 

  1764.     bool processSingle(float** const inBuffer, float** const outBuffer, const uint32_t frames, const uint32_t timeOffset)

  1765.     {

  1766.         CARLA_ASSERT(frames > 0);

  1767. 

  1768.         if (frames == 0)

  1769.             return false;

  1770. 

  1771.         if (pData->audioIn.count > 0)

  1772.         {

  1773.             CARLA_ASSERT(inBuffer != nullptr);

  1774.             if (inBuffer == nullptr)

  1775.                 return false;

  1776.         }

  1777.         if (pData->audioOut.count > 0)

  1778.         {

  1779.             CARLA_ASSERT(outBuffer != nullptr);

  1780.             if (outBuffer == nullptr)

  1781.                 return false;

  1782.         }

  1783. 

  1784.         uint32_t i, k;

  1785. 

  1786.         // --------------------------------------------------------------------------------------------------------

  1787.         // Try lock, silence otherwise

  1788. 

  1789.         if (pData->engine->isOffline())

  1790.         {

  1791.             pData->singleMutex.lock();

  1792.         }

  1793.         else if (! pData->singleMutex.tryLock())

  1794.         {

  1795.             for (i=0; i < pData->audioOut.count; ++i)

  1796.             {

  1797.                 for (k=0; k < frames; ++k)

  1798.                     outBuffer[i][k+timeOffset] = 0.0f;

  1799.             }

  1800. 

  1801.             return false;

  1802.         }

  1803. 

  1804.         // --------------------------------------------------------------------------------------------------------

  1805.         // Reset audio buffers

  1806. 

  1807.         for (i=0; i < pData->audioIn.count; ++i)

  1808.             FloatVectorOperations::copy(fAudioInBuffers[i], inBuffer[i]+timeOffset, frames);

  1809.         for (i=0; i < pData->audioOut.count; ++i)

  1810.             FloatVectorOperations::clear(fAudioOutBuffers[i], frames);

  1811. 

  1812.         // --------------------------------------------------------------------------------------------------------

  1813.         // Run plugin

  1814. 

  1815.         fIsProcessing = true;

  1816. 

  1817.         if (fHandle2 == nullptr)

  1818.         {

  1819.             fDescriptor->process(fHandle, fAudioInBuffers, fAudioOutBuffers, frames, fMidiEvents, fMidiEventCount);

  1820.         }

  1821.         else

  1822.         {

  1823.             fDescriptor->process(fHandle,

  1824.                                  (pData->audioIn.count > 0) ? &fAudioInBuffers[0] : nullptr,

  1825.                                  (pData->audioOut.count > 0) ? &fAudioOutBuffers[0] : nullptr,

  1826.                                  frames, fMidiEvents, fMidiEventCount);

  1827. 

  1828.             fDescriptor->process(fHandle2,

  1829.                                  (pData->audioIn.count > 0) ? &fAudioInBuffers[1] : nullptr,

  1830.                                  (pData->audioOut.count > 0) ? &fAudioOutBuffers[1] : nullptr,

  1831.                                  frames, fMidiEvents, fMidiEventCount);

  1832.         }

  1833. 

  1834.         fIsProcessing = false;

  1835.         fTimeInfo.frame += frames;

  1836. 

  1837. #ifndef BUILD_BRIDGE

  1838.         // --------------------------------------------------------------------------------------------------------

  1839.         // Post-processing (dry/wet, volume and balance)

  1840. 

  1841.         {

  1842.             const bool doDryWet  = (fHints & PLUGIN_CAN_DRYWET) != 0 && pData->postProc.dryWet != 1.0f;

  1843.             const bool doBalance = (fHints & PLUGIN_CAN_BALANCE) != 0 && (pData->postProc.balanceLeft != -1.0f || pData->postProc.balanceRight != 1.0f);

  1844. 

  1845.             bool isPair;

  1846.             float bufValue, oldBufLeft[doBalance ? frames : 1];

  1847. 

  1848.             for (i=0; i < pData->audioOut.count; ++i)

  1849.             {

  1850.                 // Dry/Wet

  1851.                 if (doDryWet)

  1852.                 {

  1853.                     for (k=0; k < frames; ++k)

  1854.                     {

  1855.                         bufValue = fAudioInBuffers[(pData->audioIn.count == 1) ? 0 : i][k];

  1856.                         fAudioOutBuffers[i][k] = (fAudioOutBuffers[i][k] * pData->postProc.dryWet) + (bufValue * (1.0f - pData->postProc.dryWet));

  1857.                     }

  1858.                 }

  1859. 

  1860.                 // Balance

  1861.                 if (doBalance)

  1862.                 {

  1863.                     isPair = (i % 2 == 0);

  1864. 

  1865.                     if (isPair)

  1866.                     {

  1867.                         CARLA_ASSERT(i+1 < pData->audioOut.count);

  1868.                         FloatVectorOperations::copy(oldBufLeft, fAudioOutBuffers[i], frames);

  1869.                     }

  1870. 

  1871.                     float balRangeL = (pData->postProc.balanceLeft  + 1.0f)/2.0f;

  1872.                     float balRangeR = (pData->postProc.balanceRight + 1.0f)/2.0f;

  1873. 

  1874.                     for (k=0; k < frames; ++k)

  1875.                     {

  1876.                         if (isPair)

  1877.                         {

  1878.                             // left

  1879.                             fAudioOutBuffers[i][k]  = oldBufLeft[k]            * (1.0f - balRangeL);

  1880.                             fAudioOutBuffers[i][k] += fAudioOutBuffers[i+1][k] * (1.0f - balRangeR);

  1881.                         }

  1882.                         else

  1883.                         {

  1884.                             // right

  1885.                             fAudioOutBuffers[i][k]  = fAudioOutBuffers[i][k] * balRangeR;

  1886.                             fAudioOutBuffers[i][k] += oldBufLeft[k]          * balRangeL;

  1887.                         }

  1888.                     }

  1889.                 }

  1890. 

  1891.                 // Volume (and buffer copy)

  1892.                 {

  1893.                     for (k=0; k < frames; ++k)

  1894.                         outBuffer[i][k+timeOffset] = fAudioOutBuffers[i][k] * pData->postProc.volume;

  1895.                 }

  1896.             }

  1897. 

  1898.         } // End of Post-processing

  1899. #else

  1900.         for (i=0; i < pData->audioOut.count; ++i)

  1901.         {

  1902.             for (k=0; k < frames; ++k)

  1903.                 outBuffer[i][k+timeOffset] = fAudioOutBuffers[i][k];

  1904.         }

  1905. #endif

  1906. 

  1907.         // --------------------------------------------------------------------------------------------------------

  1908. 

  1909.         pData->singleMutex.unlock();

  1910.         return true;

  1911.     }

  1912. 

  1913.     void bufferSizeChanged(const uint32_t newBufferSize) override

  1914.     {

  1915.         CARLA_ASSERT_INT(newBufferSize > 0, newBufferSize);

  1916.         carla_debug("NativePlugin::bufferSizeChanged(%i)", newBufferSize);

  1917. 

  1918.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1919.         {

  1920.             if (fAudioInBuffers[i] != nullptr)

  1921.                 delete[] fAudioInBuffers[i];

  1922.             fAudioInBuffers[i] = new float[newBufferSize];

  1923.         }

  1924. 

  1925.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1926.         {

  1927.             if (fAudioOutBuffers[i] != nullptr)

  1928.                 delete[] fAudioOutBuffers[i];

  1929.             fAudioOutBuffers[i] = new float[newBufferSize];

  1930.         }

  1931. 

  1932.         if (fDescriptor != nullptr && fDescriptor->dispatcher != nullptr)

  1933.         {

  1934.             fDescriptor->dispatcher(fHandle, PLUGIN_OPCODE_BUFFER_SIZE_CHANGED, 0, newBufferSize, nullptr, 0.0f);

  1935. 

  1936.             if (fHandle2 != nullptr)

  1937.                 fDescriptor->dispatcher(fHandle2, PLUGIN_OPCODE_BUFFER_SIZE_CHANGED, 0, newBufferSize, nullptr, 0.0f);

  1938.         }

  1939.     }

  1940. 

  1941.     void sampleRateChanged(const double newSampleRate) override

  1942.     {

  1943.         CARLA_ASSERT_INT(newSampleRate > 0.0, newSampleRate);

  1944.         carla_debug("NativePlugin::sampleRateChanged(%g)", newSampleRate);

  1945. 

  1946.         if (fDescriptor != nullptr && fDescriptor->dispatcher != nullptr)

  1947.         {

  1948.             fDescriptor->dispatcher(fHandle, PLUGIN_OPCODE_SAMPLE_RATE_CHANGED, 0, 0, nullptr, newSampleRate);

  1949. 

  1950.             if (fHandle2 != nullptr)

  1951.                 fDescriptor->dispatcher(fHandle2, PLUGIN_OPCODE_SAMPLE_RATE_CHANGED, 0, 0, nullptr, newSampleRate);

  1952.         }

  1953.     }

  1954. 

  1955.     void offlineModeChanged(const bool isOffline) override

  1956.     {

  1957.         if (fDescriptor != nullptr && fDescriptor->dispatcher != nullptr)

  1958.         {

  1959.             fDescriptor->dispatcher(fHandle, PLUGIN_OPCODE_OFFLINE_CHANGED, 0, isOffline ? 1 : 0, nullptr, 0.0f);

  1960. 

  1961.             if (fHandle2 != nullptr)

  1962.                 fDescriptor->dispatcher(fHandle2, PLUGIN_OPCODE_OFFLINE_CHANGED, 0, isOffline ? 1 : 0, nullptr, 0.0f);

  1963.         }

  1964.     }

  1965. 

  1966.     // -------------------------------------------------------------------

  1967.     // Plugin buffers

  1968. 

  1969.     void initBuffers() override

  1970.     {

  1971.         fMidiIn.initBuffers();

  1972.         fMidiOut.initBuffers();

  1973. 

  1974.         CarlaPlugin::initBuffers();

  1975.     }

  1976. 

  1977.     void clearBuffers() override

  1978.     {

  1979.         carla_debug("NativePlugin::clearBuffers() - start");

  1980. 

  1981.         if (fAudioInBuffers != nullptr)

  1982.         {

  1983.             for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1984.             {

  1985.                 if (fAudioInBuffers[i] != nullptr)

  1986.                 {

  1987.                     delete[] fAudioInBuffers[i];

  1988.                     fAudioInBuffers[i] = nullptr;

  1989.                 }

  1990.             }

  1991. 

  1992.             delete[] fAudioInBuffers;

  1993.             fAudioInBuffers = nullptr;

  1994.         }

  1995. 

  1996.         if (fAudioOutBuffers != nullptr)

  1997.         {

  1998.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1999.             {

  2000.                 if (fAudioOutBuffers[i] != nullptr)

  2001.                 {

  2002.                     delete[] fAudioOutBuffers[i];

  2003.                     fAudioOutBuffers[i] = nullptr;

  2004.                 }

  2005.             }

  2006. 

  2007.             delete[] fAudioOutBuffers;

  2008.             fAudioOutBuffers = nullptr;

  2009.         }

  2010. 

  2011.         fMidiIn.clear();

  2012.         fMidiOut.clear();

  2013. 

  2014.         CarlaPlugin::clearBuffers();

  2015. 

  2016.         carla_debug("NativePlugin::clearBuffers() - end");

  2017.     }

  2018. 

  2019.     // -------------------------------------------------------------------

  2020.     // Post-poned UI Stuff

  2021. 

  2022.     void uiParameterChange(const uint32_t index, const float value) override

  2023.     {

  2024.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  2025.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  2026.         CARLA_ASSERT(index < pData->param.count);

  2027. 

  2028.         if (! fIsUiVisible)

  2029.             return;

  2030.         if (fDescriptor == nullptr || fHandle == nullptr)

  2031.             return;

  2032.         if (index >= pData->param.count)

  2033.             return;

  2034. 

  2035.         if (fDescriptor->ui_set_parameter_value != nullptr)

  2036.             fDescriptor->ui_set_parameter_value(fHandle, index, value);

  2037.     }

  2038. 

  2039.     void uiMidiProgramChange(const uint32_t index) override

  2040.     {

  2041.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  2042.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  2043.         CARLA_ASSERT(index < pData->midiprog.count);

  2044. 

  2045.         if (! fIsUiVisible)

  2046.             return;

  2047.         if (fDescriptor == nullptr || fHandle == nullptr)

  2048.             return;

  2049.         if (index >= pData->midiprog.count)

  2050.             return;

  2051. 

  2052.         if (fDescriptor->ui_set_midi_program != nullptr) // TODO

  2053.             fDescriptor->ui_set_midi_program(fHandle, 0, pData->midiprog.data[index].bank, pData->midiprog.data[index].program);

  2054.     }

  2055. 

  2056.     void uiNoteOn(const uint8_t channel, const uint8_t note, const uint8_t velo) override

  2057.     {

  2058.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  2059.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  2060.         CARLA_ASSERT(channel < MAX_MIDI_CHANNELS);

  2061.         CARLA_ASSERT(note < MAX_MIDI_NOTE);

  2062.         CARLA_ASSERT(velo > 0 && velo < MAX_MIDI_VALUE);

  2063. 

  2064.         if (! fIsUiVisible)

  2065.             return;

  2066.         if (fDescriptor == nullptr || fHandle == nullptr)

  2067.             return;

  2068.         if (channel >= MAX_MIDI_CHANNELS)

  2069.             return;

  2070.         if (note >= MAX_MIDI_NOTE)

  2071.             return;

  2072.         if (velo >= MAX_MIDI_VALUE)

  2073.             return;

  2074. 

  2075.         // TODO

  2076.     }

  2077. 

  2078.     void uiNoteOff(const uint8_t channel, const uint8_t note) override

  2079.     {

  2080.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  2081.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  2082.         CARLA_ASSERT(channel < MAX_MIDI_CHANNELS);

  2083.         CARLA_ASSERT(note < MAX_MIDI_NOTE);

  2084. 

  2085.         if (! fIsUiVisible)

  2086.             return;

  2087.         if (fDescriptor == nullptr || fHandle == nullptr)

  2088.             return;

  2089.         if (channel >= MAX_MIDI_CHANNELS)

  2090.             return;

  2091.         if (note >= MAX_MIDI_NOTE)

  2092.             return;

  2093. 

  2094.         // TODO

  2095.     }

  2096. 

  2097.     // -------------------------------------------------------------------

  2098. 

  2099. protected:

  2100.     uint32_t handleGetBufferSize() const

  2101.     {

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

  2103.     }

  2104. 

  2105.     double handleGetSampleRate() const

  2106.     {

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

  2108.     }

  2109. 

  2110.     bool handleIsOffline() const

  2111.     {

  2112.         return pData->engine->isOffline();

  2113.     }

  2114. 

  2115.     const ::TimeInfo* handleGetTimeInfo() const

  2116.     {

  2117.         CARLA_SAFE_ASSERT_RETURN(fIsProcessing, nullptr);

  2118. 

  2119.         return &fTimeInfo;

  2120.     }

  2121. 

  2122.     bool handleWriteMidiEvent(const ::MidiEvent* const event)

  2123.     {

  2124.         CARLA_ASSERT(fEnabled);

  2125.         CARLA_ASSERT(fIsProcessing);

  2126.         CARLA_ASSERT(fMidiOut.count > 0 || pData->event.portOut != nullptr);

  2127.         CARLA_ASSERT(event != nullptr);

  2128.         CARLA_ASSERT(event->data[0] != 0);

  2129. 

  2130.         if (! fEnabled)

  2131.             return false;

  2132.         if (fMidiOut.count == 0)

  2133.             return false;

  2134.         if (event == nullptr)

  2135.             return false;

  2136.         if (event->data[0] == 0)

  2137.             return false;

  2138.         if (! fIsProcessing)

  2139.         {

  2140.             carla_stderr2("NativePlugin::handleWriteMidiEvent(%p) - received MIDI out event outside audio thread, ignoring", event);

  2141.             return false;

  2142.         }

  2143. 

  2144.         // reverse-find first free event, and put it there

  2145.         for (uint32_t i=(kPluginMaxMidiEvents*2)-1; i > fMidiEventCount; --i)

  2146.         {

  2147.             if (fMidiEvents[i].data[0] == 0)

  2148.             {

  2149.                 std::memcpy(&fMidiEvents[i], event, sizeof(::MidiEvent));

  2150.                 return true;

  2151.             }

  2152.         }

  2153. 

  2154.         return false;

  2155.     }

  2156. 

  2157.     void handleUiParameterChanged(const uint32_t index, const float value)

  2158.     {

  2159.         setParameterValue(index, value, false, true, true);

  2160.     }

  2161. 

  2162.     void handleUiCustomDataChanged(const char* const key, const char* const value)

  2163.     {

  2164.         setCustomData(CUSTOM_DATA_STRING, key, value, false);

  2165.     }

  2166. 

  2167.     void handleUiClosed()

  2168.     {

  2169.         pData->engine->callback(CALLBACK_SHOW_GUI, fId, 0, 0, 0.0f, nullptr);

  2170.         fIsUiVisible = false;

  2171.     }

  2172. 

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

  2174.     {

  2175.         static CarlaString retStr;

  2176. #if 0

  2177.         QFileDialog::Options options(isDir ? QFileDialog::ShowDirsOnly : 0x0);

  2178. 

  2179.         retStr = QFileDialog::getOpenFileName(nullptr, title, "", filter, nullptr, options).toUtf8().constData();

  2180. #endif

  2181.         return retStr.isNotEmpty() ? (const char*)retStr : nullptr;

  2182.     }

  2183. 

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

  2185.     {

  2186.         static CarlaString retStr;

  2187. #if 0

  2188.         QFileDialog::Options options(isDir ? QFileDialog::ShowDirsOnly : 0x0);

  2189. 

  2190.         retStr = QFileDialog::getSaveFileName(nullptr, title, "", filter, nullptr, options).toUtf8().constData();

  2191. #endif

  2192.         return retStr.isNotEmpty() ? (const char*)retStr : nullptr;

  2193.     }

  2194. 

  2195.     intptr_t handleDispatcher(const ::HostDispatcherOpcode opcode, const int32_t index, const intptr_t value, void* const ptr, const float opt)

  2196.     {

  2197.         carla_debug("NativePlugin::handleDispatcher(%i, %i, " P_INTPTR ", %p, %f)", opcode, index, value, ptr, opt);

  2198. 

  2199.         intptr_t ret = 0;

  2200. 

  2201.         switch (opcode)

  2202.         {

  2203.         case ::HOST_OPCODE_NULL:

  2204.             break;

  2205. #ifdef BUILD_BRIDGE

  2206.         case ::HOST_OPCODE_SET_VOLUME:

  2207.         case ::HOST_OPCODE_SET_DRYWET:

  2208.         case ::HOST_OPCODE_SET_BALANCE_LEFT:

  2209.         case ::HOST_OPCODE_SET_BALANCE_RIGHT:

  2210.         case ::HOST_OPCODE_SET_PANNING:

  2211.             break;

  2212. #else

  2213.         case ::HOST_OPCODE_SET_VOLUME:

  2214.             setVolume(opt, true, true);

  2215.             break;

  2216.         case ::HOST_OPCODE_SET_DRYWET:

  2217.             setDryWet(opt, true, true);

  2218.             break;

  2219.         case ::HOST_OPCODE_SET_BALANCE_LEFT:

  2220.             setBalanceLeft(opt, true, true);

  2221.             break;

  2222.         case ::HOST_OPCODE_SET_BALANCE_RIGHT:

  2223.             setBalanceRight(opt, true, true);

  2224.             break;

  2225.         case ::HOST_OPCODE_SET_PANNING:

  2226.             setPanning(opt, true, true);

  2227.             break;

  2228. #endif

  2229.         case HOST_OPCODE_GET_PARAMETER_MIDI_CC:

  2230.         case HOST_OPCODE_SET_PARAMETER_MIDI_CC:

  2231.             // TODO

  2232.             break;

  2233.         case ::HOST_OPCODE_SET_PROCESS_PRECISION:

  2234.             // TODO

  2235.             break;

  2236.         case ::HOST_OPCODE_UPDATE_PARAMETER:

  2237.             break;

  2238.         case ::HOST_OPCODE_UPDATE_MIDI_PROGRAM:

  2239.             break;

  2240.         case ::HOST_OPCODE_RELOAD_PARAMETERS:

  2241.             break;

  2242.         case ::HOST_OPCODE_RELOAD_MIDI_PROGRAMS:

  2243.             break;

  2244.         case ::HOST_OPCODE_RELOAD_ALL:

  2245.             break;

  2246.         case HOST_OPCODE_UI_UNAVAILABLE:

  2247.             pData->engine->callback(CALLBACK_SHOW_GUI, fId, -1, 0, 0.0f, nullptr);

  2248.             break;

  2249.         }

  2250. 

  2251.         return ret;

  2252. 

  2253.         // unused for now

  2254.         (void)index;

  2255.         (void)value;

  2256.         (void)ptr;

  2257.     }

  2258. 

  2259.     // -------------------------------------------------------------------

  2260. 

  2261. public:

  2262.     static size_t getPluginCount()

  2263.     {

  2264.         return sPluginDescriptors.count();

  2265.     }

  2266. 

  2267.     static const ::PluginDescriptor* getPluginDescriptor(const size_t index)

  2268.     {

  2269.         CARLA_ASSERT(index < sPluginDescriptors.count());

  2270. 

  2271.         if (index < sPluginDescriptors.count())

  2272.             return sPluginDescriptors.getAt(index);

  2273. 

  2274.         return nullptr;

  2275.     }

  2276. 

  2277.     static void registerPlugin(const ::PluginDescriptor* desc)

  2278.     {

  2279.         sPluginDescriptors.append(desc);

  2280.     }

  2281. 

  2282.     // -------------------------------------------------------------------

  2283. 

  2284.     bool init(const char* const name, const char* const label)

  2285.     {

  2286.         // ---------------------------------------------------------------

  2287.         // first checks

  2288. 

  2289.         if (pData->engine == nullptr)

  2290.         {

  2291.             return false;

  2292.         }

  2293. 

  2294.         if (pData->client != nullptr)

  2295.         {

  2296.             pData->engine->setLastError("Plugin client is already registered");

  2297.             return false;

  2298.         }

  2299. 

  2300.         if (label == nullptr && label[0] != '\0')

  2301.         {

  2302.             pData->engine->setLastError("null label");

  2303.             return false;

  2304.         }

  2305. 

  2306.         // ---------------------------------------------------------------

  2307.         // get descriptor that matches label

  2308. 

  2309.         for (NonRtList<const ::PluginDescriptor*>::Itenerator it = sPluginDescriptors.begin(); it.valid(); it.next())

  2310.         {

  2311.             fDescriptor = *it;

  2312. 

  2313.             CARLA_SAFE_ASSERT_BREAK(fDescriptor != nullptr);

  2314. 

  2315.             if (fDescriptor->label != nullptr && std::strcmp(fDescriptor->label, label) == 0)

  2316.                 break;

  2317. 

  2318.             fDescriptor = nullptr;

  2319.         }

  2320. 

  2321.         if (fDescriptor == nullptr)

  2322.         {

  2323.             pData->engine->setLastError("Invalid internal plugin");

  2324.             return false;

  2325.         }

  2326. 

  2327.         // ---------------------------------------------------------------

  2328.         // set icon

  2329. 

  2330.         if (std::strcmp(fDescriptor->label, "audiofile") == 0)

  2331.             fIconName = "file";

  2332.         else if (std::strcmp(fDescriptor->label, "midifile") == 0)

  2333.             fIconName = "file";

  2334.         else if (std::strcmp(fDescriptor->label, "sunvoxfile") == 0)

  2335.             fIconName = "file";

  2336. 

  2337.         else if (std::strcmp(fDescriptor->label, "3BandEQ") == 0)

  2338.             fIconName = "distrho";

  2339.         else if (std::strcmp(fDescriptor->label, "3BandSplitter") == 0)

  2340.             fIconName = "distrho";

  2341.         else if (std::strcmp(fDescriptor->label, "Nekobi") == 0)

  2342.             fIconName = "distrho";

  2343.         else if (std::strcmp(fDescriptor->label, "Notes") == 0)

  2344.             fIconName = "distrho";

  2345.         else if (std::strcmp(fDescriptor->label, "PingPongPan") == 0)

  2346.             fIconName = "distrho";

  2347.         else if (std::strcmp(fDescriptor->label, "StereoEnhancer") == 0)

  2348.             fIconName = "distrho";

  2349. 

  2350.         // ---------------------------------------------------------------

  2351.         // get info

  2352. 

  2353.         if (name != nullptr)

  2354.             fName = pData->engine->getUniquePluginName(name);

  2355.         else if (fDescriptor->name != nullptr)

  2356.             fName = pData->engine->getUniquePluginName(fDescriptor->name);

  2357.         else

  2358.             fName = pData->engine->getUniquePluginName(label);

  2359. 

  2360.         {

  2361.             CARLA_ASSERT(fHost.uiName == nullptr);

  2362. 

  2363.             char uiName[fName.length()+6+1];

  2364.             std::strcpy(uiName, (const char*)fName);

  2365.             std::strcat(uiName, " (GUI)");

  2366. 

  2367.             fHost.uiName = carla_strdup(uiName);

  2368.         }

  2369. 

  2370.         // ---------------------------------------------------------------

  2371.         // register client

  2372. 

  2373.         pData->client = pData->engine->addClient(this);

  2374. 

  2375.         if (pData->client == nullptr || ! pData->client->isOk())

  2376.         {

  2377.             pData->engine->setLastError("Failed to register plugin client");

  2378.             return false;

  2379.         }

  2380. 

  2381.         // ---------------------------------------------------------------

  2382.         // initialize plugin

  2383. 

  2384.         fHandle = fDescriptor->instantiate(&fHost);

  2385. 

  2386.         if (fHandle == nullptr)

  2387.         {

  2388.             pData->engine->setLastError("Plugin failed to initialize");

  2389.             return false;

  2390.         }

  2391. 

  2392.         // ---------------------------------------------------------------

  2393.         // load plugin settings

  2394. 

  2395.         {

  2396.             const bool hasMidiProgs(fDescriptor->get_midi_program_count != nullptr && fDescriptor->get_midi_program_count(fHandle) > 0);

  2397. 

  2398.             // set default options

  2399.             fOptions = 0x0;

  2400. 

  2401.             if (hasMidiProgs && (fDescriptor->supports & ::PLUGIN_SUPPORTS_PROGRAM_CHANGES) == 0)

  2402.                 fOptions |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  2403. 

  2404.             if (getMidiInCount() > 0 || (fDescriptor->hints & ::PLUGIN_NEEDS_FIXED_BUFFERS) != 0)

  2405.                 fOptions |= PLUGIN_OPTION_FIXED_BUFFERS;

  2406. 

  2407.             if (pData->engine->getOptions().forceStereo)

  2408.                 fOptions |= PLUGIN_OPTION_FORCE_STEREO;

  2409. 

  2410.             if (fDescriptor->supports & ::PLUGIN_SUPPORTS_CHANNEL_PRESSURE)

  2411.                 fOptions |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  2412.             if (fDescriptor->supports & ::PLUGIN_SUPPORTS_NOTE_AFTERTOUCH)

  2413.                 fOptions |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  2414.             if (fDescriptor->supports & ::PLUGIN_SUPPORTS_PITCHBEND)

  2415.                 fOptions |= PLUGIN_OPTION_SEND_PITCHBEND;

  2416.             if (fDescriptor->supports & ::PLUGIN_SUPPORTS_ALL_SOUND_OFF)

  2417.                 fOptions |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  2418. 

  2419.             // load settings

  2420.             pData->idStr  = "Native/";

  2421.             pData->idStr += label;

  2422.             fOptions = pData->loadSettings(fOptions, getAvailableOptions());

  2423. 

  2424.             // ignore settings, we need this anyway

  2425.             if (getMidiInCount() > 0 || (fDescriptor->hints & ::PLUGIN_NEEDS_FIXED_BUFFERS) != 0)

  2426.                 fOptions |= PLUGIN_OPTION_FIXED_BUFFERS;

  2427.         }

  2428. 

  2429.         return true;

  2430.     }

  2431. 

  2432.     class ScopedInitializer

  2433.     {

  2434.     public:

  2435.         ScopedInitializer()

  2436.         {

  2437.             carla_register_all_plugins();

  2438.         }

  2439. 

  2440.         ~ScopedInitializer()

  2441.         {

  2442.             sPluginDescriptors.clear();

  2443.         }

  2444.     };

  2445. 

  2446. private:

  2447.     ::PluginHandle   fHandle;

  2448.     ::PluginHandle   fHandle2;

  2449.     ::HostDescriptor fHost;

  2450.     const ::PluginDescriptor* fDescriptor;

  2451. 

  2452.     bool fIsProcessing;

  2453.     bool fIsUiVisible;

  2454. 

  2455.     float**     fAudioInBuffers;

  2456.     float**     fAudioOutBuffers;

  2457.     uint32_t    fMidiEventCount;

  2458.     ::MidiEvent fMidiEvents[kPluginMaxMidiEvents*2];

  2459. 

  2460.     int32_t fCurMidiProgs[MAX_MIDI_CHANNELS];

  2461. 

  2462.     NativePluginMidiData fMidiIn;

  2463.     NativePluginMidiData fMidiOut;

  2464. 

  2465.     ::TimeInfo fTimeInfo;

  2466. 

  2467.     static NonRtList<const ::PluginDescriptor*> sPluginDescriptors;

  2468. 

  2469.     // -------------------------------------------------------------------

  2470. 

  2471.     #define handlePtr ((NativePlugin*)handle)

  2472. 

  2473.     static uint32_t carla_host_get_buffer_size(::HostHandle handle)

  2474.     {

  2475.         return handlePtr->handleGetBufferSize();

  2476.     }

  2477. 

  2478.     static double carla_host_get_sample_rate(::HostHandle handle)

  2479.     {

  2480.         return handlePtr->handleGetSampleRate();

  2481.     }

  2482. 

  2483.     static bool carla_host_is_offline(::HostHandle handle)

  2484.     {

  2485.         return handlePtr->handleIsOffline();

  2486.     }

  2487. 

  2488.     static const ::TimeInfo* carla_host_get_time_info(::HostHandle handle)

  2489.     {

  2490.         return handlePtr->handleGetTimeInfo();

  2491.     }

  2492. 

  2493.     static bool carla_host_write_midi_event(::HostHandle handle, const ::MidiEvent* event)

  2494.     {

  2495.         return handlePtr->handleWriteMidiEvent(event);

  2496.     }

  2497. 

  2498.     static void carla_host_ui_parameter_changed(::HostHandle handle, uint32_t index, float value)

  2499.     {

  2500.         handlePtr->handleUiParameterChanged(index, value);

  2501.     }

  2502. 

  2503.     static void carla_host_ui_custom_data_changed(::HostHandle handle, const char* key, const char* value)

  2504.     {

  2505.         handlePtr->handleUiCustomDataChanged(key, value);

  2506.     }

  2507. 

  2508.     static void carla_host_ui_closed(::HostHandle handle)

  2509.     {

  2510.         handlePtr->handleUiClosed();

  2511.     }

  2512. 

  2513.     static const char* carla_host_ui_open_file(::HostHandle handle, bool isDir, const char* title, const char* filter)

  2514.     {

  2515.         return handlePtr->handleUiOpenFile(isDir, title, filter);

  2516.     }

  2517. 

  2518.     static const char* carla_host_ui_save_file(::HostHandle handle, bool isDir, const char* title, const char* filter)

  2519.     {

  2520.         return handlePtr->handleUiSaveFile(isDir, title, filter);

  2521.     }

  2522. 

  2523.     static intptr_t carla_host_dispatcher(::HostHandle handle, ::HostDispatcherOpcode opcode, int32_t index, intptr_t value, void* ptr, float opt)

  2524.     {

  2525.         return handlePtr->handleDispatcher(opcode, index, value, ptr, opt);

  2526.     }

  2527. 

  2528.     #undef handlePtr

  2529. 

  2530.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(NativePlugin)

  2531. };

  2532. 

  2533. NonRtList<const ::PluginDescriptor*> NativePlugin::sPluginDescriptors;

  2534. 

  2535. static const NativePlugin::ScopedInitializer _si;

  2536. 

  2537. CARLA_BACKEND_END_NAMESPACE

  2538. 

  2539. void carla_register_native_plugin(const PluginDescriptor* desc)

  2540. {

  2541.     CARLA_BACKEND_USE_NAMESPACE

  2542.     NativePlugin::registerPlugin(desc);

  2543. }

  2544. 

  2545. #else // WANT_NATIVE

  2546. # warning Building without Internal plugin support

  2547. #endif

  2548. 

  2549. CARLA_BACKEND_START_NAMESPACE

  2550. 

  2551. // -----------------------------------------------------------------------

  2552. 

  2553. #ifdef WANT_NATIVE

  2554. size_t CarlaPlugin::getNativePluginCount()

  2555. {

  2556.     return NativePlugin::getPluginCount();

  2557. }

  2558. 

  2559. const PluginDescriptor* CarlaPlugin::getNativePluginDescriptor(const size_t index)

  2560. {

  2561.     return NativePlugin::getPluginDescriptor(index);

  2562. }

  2563. #endif

  2564. 

  2565. // -----------------------------------------------------------------------

  2566. 

  2567. CarlaPlugin* CarlaPlugin::newNative(const Initializer& init)

  2568. {

  2569.     carla_debug("CarlaPlugin::newNative({%p, \"%s\", \"%s\", \"%s\"})", init.engine, init.filename, init.name, init.label);

  2570. 

  2571. #ifdef WANT_NATIVE

  2572.     NativePlugin* const plugin(new NativePlugin(init.engine, init.id));

  2573. 

  2574.     if (! plugin->init(init.name, init.label))

  2575.     {

  2576.         delete plugin;

  2577.         return nullptr;

  2578.     }

  2579. 

  2580.     plugin->reload();

  2581. 

  2582.     if (init.engine->getProccessMode() == PROCESS_MODE_CONTINUOUS_RACK && ! plugin->canRunInRack())

  2583.     {

  2584.         init.engine->setLastError("Carla's rack mode can only work with Mono or Stereo Internal plugins, sorry!");

  2585.         delete plugin;

  2586.         return nullptr;

  2587.     }

  2588. 

  2589.     return plugin;

  2590. #else

  2591.     init.engine->setLastError("Internal plugins support not available");

  2592.     return nullptr;

  2593. #endif

  2594. }

  2595. 

  2596. CARLA_BACKEND_END_NAMESPACE