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Collection of tools useful for audio production
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Cadence/c++/carla-backend/lv2.cpp

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  1. /*

  2.  * Carla Backend

  3.  * Copyright (C) 2011-2012 Filipe Coelho <falktx@gmail.com>

  4.  *

  5.  * This program is free software; you can redistribute it and/or modify

  6.  * it under the terms of the GNU General Public License as published by

  7.  * the Free Software Foundation; either version 2 of the License, or

  8.  * 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 COPYING file

  16.  */

  17. 

  18. #include "carla_plugin.h"

  19. #include "carla_lv2.h"

  20. 

  21. #include <QtCore/QDir>

  22. 

  23. #ifndef __WINE__

  24. #include <QtGui/QLayout>

  25. #endif

  26. 

  27. #ifdef HAVE_SUIL

  28. #include <suil/suil.h>

  29. struct SuilInstanceImpl {

  30.     void*                   lib_handle;

  31.     const LV2UI_Descriptor* descriptor;

  32.     LV2UI_Handle            handle;

  33.     // ...

  34. };

  35. #endif

  36. 

  37. CARLA_BACKEND_START_NAMESPACE

  38. 

  39. /*!

  40.  * @defgroup CarlaBackendLv2Plugin Carla Backend LV2 Plugin

  41.  *

  42.  * The Carla Backend LV2 Plugin.\n

  43.  * http://lv2plug.in/

  44.  * @{

  45.  */

  46. 

  47. // static max values

  48. const unsigned int MAX_EVENT_BUFFER = 8192; // 0x2000

  49. //const unsigned int MAX_EVENT_BUFFER = (sizeof(LV2_Atom_Event) + 4) * MAX_MIDI_EVENTS;

  50. 

  51. /*!

  52.  * @defgroup PluginHints Plugin Hints

  53.  * @{

  54.  */

  55. const unsigned int PLUGIN_HAS_EXTENSION_PROGRAMS = 0x100; //!< LV2 Plugin has Programs extension

  56. const unsigned int PLUGIN_HAS_EXTENSION_STATE    = 0x200; //!< LV2 Plugin has State extension

  57. const unsigned int PLUGIN_HAS_EXTENSION_WORKER   = 0x400; //!< LV2 Plugin has Worker extension

  58. /**@}*/

  59. 

  60. /*!

  61.  * @defgroup ParameterHints Parameter Hints

  62.  * @{

  63.  */

  64. const unsigned int PARAMETER_IS_STRICT_BOUNDS = 0x1000; //!< LV2 Parameter needs strict bounds

  65. const unsigned int PARAMETER_IS_TRIGGER       = 0x2000; //!< LV2 Parameter is trigger (current value should be changed to its default after run())

  66. /**@}*/

  67. 

  68. /*!

  69.  * @defgroup Lv2FeatureIds LV2 Feature Ids

  70.  *

  71.  * Static index list of the internal LV2 Feature Ids.

  72.  * \see CarlaPlugin::hints

  73.  * @{

  74.  */

  75. const uint32_t lv2_feature_id_bufsize_bounded  =  0;

  76. const uint32_t lv2_feature_id_bufsize_fixed    =  1;

  77. const uint32_t lv2_feature_id_bufsize_powerof2 =  2;

  78. const uint32_t lv2_feature_id_event            =  3;

  79. const uint32_t lv2_feature_id_logs             =  4;

  80. const uint32_t lv2_feature_id_options          =  5;

  81. const uint32_t lv2_feature_id_programs         =  6;

  82. const uint32_t lv2_feature_id_state_make_path  =  7;

  83. const uint32_t lv2_feature_id_state_map_path   =  8;

  84. const uint32_t lv2_feature_id_strict_bounds    =  9;

  85. const uint32_t lv2_feature_id_uri_map          = 10;

  86. const uint32_t lv2_feature_id_urid_map         = 11;

  87. const uint32_t lv2_feature_id_urid_unmap       = 12;

  88. const uint32_t lv2_feature_id_worker           = 13;

  89. const uint32_t lv2_feature_id_data_access      = 14;

  90. const uint32_t lv2_feature_id_instance_access  = 15;

  91. const uint32_t lv2_feature_id_ui_parent        = 16;

  92. const uint32_t lv2_feature_id_ui_port_map      = 17;

  93. const uint32_t lv2_feature_id_ui_resize        = 18;

  94. const uint32_t lv2_feature_id_external_ui      = 19;

  95. const uint32_t lv2_feature_id_external_ui_old  = 20;

  96. const uint32_t lv2_feature_count               = 21;

  97. /**@}*/

  98. 

  99. /*!

  100.  * @defgroup Lv2EventTypes LV2 Event Data/Types

  101.  *

  102.  * Data and buffer types for LV2 EventData ports.

  103.  * \see CarlaPlugin::hints

  104.  * @{

  105.  */

  106. const unsigned int CARLA_EVENT_DATA_ATOM      = 0x01;

  107. const unsigned int CARLA_EVENT_DATA_EVENT     = 0x02;

  108. const unsigned int CARLA_EVENT_DATA_MIDI_LL   = 0x04;

  109. const unsigned int CARLA_EVENT_TYPE_MESSAGE   = 0x10;

  110. const unsigned int CARLA_EVENT_TYPE_MIDI      = 0x20;

  111. /**@}*/

  112. 

  113. /*!

  114.  * @defgroup Lv2UriMapIds LV2 URI Map Ids

  115.  *

  116.  * Static index list of the internal LV2 URI Map Ids.

  117.  * \see CarlaPlugin::hints

  118.  * @{

  119.  */

  120. const uint32_t CARLA_URI_MAP_ID_NULL                = 0;

  121. const uint32_t CARLA_URI_MAP_ID_ATOM_CHUNK          = 1;

  122. const uint32_t CARLA_URI_MAP_ID_ATOM_DOUBLE         = 2;

  123. const uint32_t CARLA_URI_MAP_ID_ATOM_INT            = 3;

  124. const uint32_t CARLA_URI_MAP_ID_ATOM_PATH           = 4;

  125. const uint32_t CARLA_URI_MAP_ID_ATOM_SEQUENCE       = 5;

  126. const uint32_t CARLA_URI_MAP_ID_ATOM_STRING         = 6;

  127. const uint32_t CARLA_URI_MAP_ID_ATOM_TRANSFER_ATOM  = 7;

  128. const uint32_t CARLA_URI_MAP_ID_ATOM_TRANSFER_EVENT = 8;

  129. const uint32_t CARLA_URI_MAP_ID_BUF_MAX_LENGTH      = 9;

  130. const uint32_t CARLA_URI_MAP_ID_BUF_MIN_LENGTH      = 10;

  131. const uint32_t CARLA_URI_MAP_ID_BUF_SEQUENCE_SIZE   = 11;

  132. const uint32_t CARLA_URI_MAP_ID_LOG_ERROR           = 12;

  133. const uint32_t CARLA_URI_MAP_ID_LOG_NOTE            = 13;

  134. const uint32_t CARLA_URI_MAP_ID_LOG_TRACE           = 14;

  135. const uint32_t CARLA_URI_MAP_ID_LOG_WARNING         = 15;

  136. const uint32_t CARLA_URI_MAP_ID_MIDI_EVENT          = 16;

  137. const uint32_t CARLA_URI_MAP_ID_PARAM_SAMPLE_RATE   = 17;

  138. const uint32_t CARLA_URI_MAP_ID_COUNT               = 18;

  139. /**@}*/

  140. 

  141. struct Lv2EventData {

  142.     uint32_t type;

  143.     CarlaEngineMidiPort* port;

  144.     union {

  145.         LV2_Atom_Sequence* atom;

  146.         LV2_Event_Buffer* event;

  147.         LV2_MIDI* midi;

  148.     };

  149. 

  150.     Lv2EventData()

  151.         : type(0),

  152.           port(nullptr) {}

  153. };

  154. 

  155. struct Lv2PluginEventData {

  156.     uint32_t count;

  157.     Lv2EventData* data;

  158. 

  159.     Lv2PluginEventData()

  160.         : count(0),

  161.           data(nullptr) {}

  162. };

  163. 

  164. struct Lv2PluginOptions {

  165.     bool init;

  166.     uint32_t eventSize;

  167.     uint32_t bufferSize;

  168.     double   sampleRate;

  169.     LV2_Options_Option oNull;

  170.     LV2_Options_Option oMaxBlockLenth;

  171.     LV2_Options_Option oMinBlockLenth;

  172.     LV2_Options_Option oSequenceSize;

  173.     LV2_Options_Option oSampleRate;

  174. 

  175.     Lv2PluginOptions()

  176.         : init(false),

  177.           eventSize(MAX_EVENT_BUFFER),

  178.           bufferSize(0),

  179.           sampleRate(0.0) {}

  180. };

  181. 

  182. Lv2PluginOptions lv2Options;

  183. 

  184. const char* lv2bridge2str(const LV2_Property type)

  185. {

  186.     switch (type)

  187.     {

  188. #ifndef BUILD_BRIDGE

  189.     case LV2_UI_GTK2:

  190.         return carlaOptions.bridge_lv2gtk2;

  191.     case LV2_UI_QT4:

  192.         return carlaOptions.bridge_lv2qt4;

  193.     case LV2_UI_COCOA:

  194.         return nullptr; //carlaOptions.bridge_lv2cocoa;

  195.     case LV2_UI_WINDOWS:

  196.         return nullptr; //carlaOptions.bridge_lv2hwnd;

  197.     case LV2_UI_X11:

  198.         return carlaOptions.bridge_lv2x11;

  199. #endif

  200.     default:

  201.         return nullptr;

  202.     }

  203. }

  204. 

  205. class Lv2Plugin : public CarlaPlugin

  206. {

  207. public:

  208.     Lv2Plugin(CarlaEngine* const engine, const unsigned short id)

  209.         : CarlaPlugin(engine, id)

  210.     {

  211.         qDebug("Lv2Plugin::Lv2Plugin()");

  212. 

  213.         m_type = PLUGIN_LV2;

  214. 

  215.         handle = h2 = nullptr;

  216.         descriptor  = nullptr;

  217.         rdf_descriptor = nullptr;

  218. 

  219.         ext.state      = nullptr;

  220.         ext.worker     = nullptr;

  221.         ext.programs   = nullptr;

  222.         ext.uiprograms = nullptr;

  223. 

  224.         ui.lib = nullptr;

  225.         ui.handle = nullptr;

  226.         ui.descriptor = nullptr;

  227.         ui.rdf_descriptor = nullptr;

  228. 

  229.         evIn.count = 0;

  230.         evIn.data  = nullptr;

  231. 

  232.         evOut.count = 0;

  233.         evOut.data  = nullptr;

  234. 

  235.         paramBuffers = nullptr;

  236. 

  237.         gui.type = GUI_NONE;

  238.         gui.resizable = false;

  239.         gui.width  = 0;

  240.         gui.height = 0;

  241. 

  242. #ifdef HAVE_SUIL

  243.         suil.handle = nullptr;

  244.         suil.host   = nullptr;

  245. #endif

  246. 

  247.         for (uint32_t i=0; i < CARLA_URI_MAP_ID_COUNT; i++)

  248.             customURIDs.push_back(nullptr);

  249. 

  250.         for (uint32_t i=0; i < lv2_feature_count+1; i++)

  251.             features[i] = nullptr;

  252. 

  253.         if (! lv2Options.init)

  254.         {

  255.             lv2Options.init = true;

  256.             lv2Options.bufferSize = x_engine->getBufferSize();

  257.             lv2Options.sampleRate = x_engine->getSampleRate();

  258. 

  259.             lv2Options.oNull.key   = CARLA_URI_MAP_ID_NULL;

  260.             lv2Options.oNull.size  = 0;

  261.             lv2Options.oNull.type  = CARLA_URI_MAP_ID_NULL;

  262.             lv2Options.oNull.value = nullptr;

  263. 

  264.             lv2Options.oMaxBlockLenth.key   = CARLA_URI_MAP_ID_BUF_MAX_LENGTH;

  265.             lv2Options.oMaxBlockLenth.size  = sizeof(uint32_t);

  266.             lv2Options.oMaxBlockLenth.type  = CARLA_URI_MAP_ID_ATOM_INT;

  267.             lv2Options.oMaxBlockLenth.value = &lv2Options.bufferSize;

  268. 

  269.             lv2Options.oMinBlockLenth.key   = CARLA_URI_MAP_ID_BUF_MIN_LENGTH;

  270.             lv2Options.oMinBlockLenth.size  = sizeof(uint32_t);

  271.             lv2Options.oMinBlockLenth.type  = CARLA_URI_MAP_ID_ATOM_INT;

  272.             lv2Options.oMinBlockLenth.value = &lv2Options.bufferSize;

  273. 

  274.             lv2Options.oSequenceSize.key   = CARLA_URI_MAP_ID_BUF_SEQUENCE_SIZE;

  275.             lv2Options.oSequenceSize.size  = sizeof(uint32_t);

  276.             lv2Options.oSequenceSize.type  = CARLA_URI_MAP_ID_ATOM_INT;

  277.             lv2Options.oSequenceSize.value = &lv2Options.eventSize;

  278. 

  279.             lv2Options.oSampleRate.key     = CARLA_URI_MAP_ID_PARAM_SAMPLE_RATE;

  280.             lv2Options.oSampleRate.size    = sizeof(double);

  281.             lv2Options.oSampleRate.type    = CARLA_URI_MAP_ID_ATOM_DOUBLE;

  282.             lv2Options.oSampleRate.value   = &lv2Options.sampleRate;

  283.         }

  284.     }

  285. 

  286.     ~Lv2Plugin()

  287.     {

  288.         qDebug("Lv2Plugin::~Lv2Plugin()");

  289. 

  290.         // close UI

  291.         if (m_hints & PLUGIN_HAS_GUI)

  292.         {

  293.             showGui(false);

  294. 

  295.             switch (gui.type)

  296.             {

  297.             case GUI_NONE:

  298.             case GUI_INTERNAL_QT4:

  299.             case GUI_INTERNAL_COCOA:

  300.             case GUI_INTERNAL_HWND:

  301.             case GUI_INTERNAL_X11:

  302.             case GUI_EXTERNAL_LV2:

  303.                 break;

  304. 

  305.             case GUI_EXTERNAL_SUIL:

  306. #if defined(HAVE_SUIL) && ! defined(__WINE__)

  307.                 if (ui.widget)

  308.                     ((QWidget*)ui.widget)->close();

  309. #endif

  310.                 break;

  311. 

  312.             case GUI_EXTERNAL_OSC:

  313. #ifndef BUILD_BRIDGE

  314.                 if (osc.thread)

  315.                 {

  316.                     // Wait a bit first, try safe quit, then force kill

  317.                     if (osc.thread->isRunning() && ! osc.thread->wait(carlaOptions.oscUiTimeout * 100))

  318.                     {

  319.                         qWarning("Failed to properly stop LV2 OSC GUI thread");

  320.                         osc.thread->terminate();

  321.                     }

  322. 

  323.                     delete osc.thread;

  324.                 }

  325. #endif

  326.                 break;

  327.             }

  328. 

  329. #ifdef HAVE_SUIL

  330.             if (suil.handle)

  331.             {

  332.                 suil_instance_free(suil.handle);

  333. 

  334.                 if (suil.host)

  335.                     suil_host_free(suil.host);

  336. 

  337.                 ui.handle = nullptr;

  338.                 ui.descriptor = nullptr;

  339.             }

  340. #endif

  341. 

  342.             if (ui.handle && ui.descriptor && ui.descriptor->cleanup)

  343.                 ui.descriptor->cleanup(ui.handle);

  344. 

  345.             if (features[lv2_feature_id_data_access] && features[lv2_feature_id_data_access]->data)

  346.                 delete (LV2_Extension_Data_Feature*)features[lv2_feature_id_data_access]->data;

  347. 

  348.             if (features[lv2_feature_id_ui_port_map] && features[lv2_feature_id_ui_port_map]->data)

  349.                 delete (LV2UI_Port_Map*)features[lv2_feature_id_ui_port_map]->data;

  350. 

  351.             if (features[lv2_feature_id_ui_resize] && features[lv2_feature_id_ui_resize]->data)

  352.                 delete (LV2UI_Resize*)features[lv2_feature_id_ui_resize]->data;

  353. 

  354.             if (features[lv2_feature_id_external_ui] && features[lv2_feature_id_external_ui]->data)

  355.             {

  356.                 const LV2_External_UI_Host* const uiHost = (const LV2_External_UI_Host*)features[lv2_feature_id_external_ui]->data;

  357. 

  358.                 if (uiHost->plugin_human_id)

  359.                     free((void*)uiHost->plugin_human_id);

  360. 

  361.                 delete uiHost;

  362.             }

  363. 

  364.             uiLibClose();

  365.         }

  366. 

  367.         if (descriptor)

  368.         {

  369.             if (descriptor->deactivate && m_activeBefore)

  370.             {

  371.                 if (handle)

  372.                     descriptor->deactivate(handle);

  373.                 if (h2)

  374.                     descriptor->deactivate(h2);

  375.             }

  376. 

  377.             if (descriptor->cleanup)

  378.             {

  379.                 if (handle)

  380.                     descriptor->cleanup(handle);

  381.                 if (h2)

  382.                     descriptor->cleanup(h2);

  383.             }

  384.         }

  385. 

  386.         if (rdf_descriptor)

  387.             lv2_rdf_free(rdf_descriptor);

  388. 

  389.         if (features[lv2_feature_id_event] && features[lv2_feature_id_event]->data)

  390.             delete (LV2_Event_Feature*)features[lv2_feature_id_event]->data;

  391. 

  392.         if (features[lv2_feature_id_logs] && features[lv2_feature_id_logs]->data)

  393.             delete (LV2_Log_Log*)features[lv2_feature_id_logs]->data;

  394. 

  395.         if (features[lv2_feature_id_options] && features[lv2_feature_id_options]->data)

  396.         {

  397.             const LV2_Options_Option* const options = (const LV2_Options_Option*)features[lv2_feature_id_options]->data;

  398.             delete[] options;

  399.         }

  400. 

  401.         if (features[lv2_feature_id_programs] && features[lv2_feature_id_programs]->data)

  402.             delete (LV2_Programs_Host*)features[lv2_feature_id_programs]->data;

  403. 

  404.         if (features[lv2_feature_id_state_make_path] && features[lv2_feature_id_state_make_path]->data)

  405.             delete (LV2_State_Make_Path*)features[lv2_feature_id_state_make_path]->data;

  406. 

  407.         if (features[lv2_feature_id_state_map_path] && features[lv2_feature_id_state_map_path]->data)

  408.             delete (LV2_State_Map_Path*)features[lv2_feature_id_state_map_path]->data;

  409. 

  410.         if (features[lv2_feature_id_uri_map] && features[lv2_feature_id_uri_map]->data)

  411.             delete (LV2_URI_Map_Feature*)features[lv2_feature_id_uri_map]->data;

  412. 

  413.         if (features[lv2_feature_id_urid_map] && features[lv2_feature_id_urid_map]->data)

  414.             delete (LV2_URID_Map*)features[lv2_feature_id_urid_map]->data;

  415. 

  416.         if (features[lv2_feature_id_urid_unmap] && features[lv2_feature_id_urid_unmap]->data)

  417.             delete (LV2_URID_Unmap*)features[lv2_feature_id_urid_unmap]->data;

  418. 

  419.         if (features[lv2_feature_id_worker] && features[lv2_feature_id_worker]->data)

  420.             delete (LV2_Worker_Schedule*)features[lv2_feature_id_worker]->data;

  421. 

  422. #ifndef BUILD_BRIDGE

  423.         if (! carlaOptions.processHighPrecision)

  424. #endif

  425.         {

  426.             features[lv2_feature_id_bufsize_fixed]    = nullptr;

  427.             features[lv2_feature_id_bufsize_powerof2] = nullptr;

  428.         }

  429. 

  430.         for (uint32_t i=0; i < lv2_feature_count; i++)

  431.         {

  432.             if (features[i])

  433.                 delete features[i];

  434.         }

  435. 

  436.         for (size_t i=0; i < customURIDs.size(); i++)

  437.         {

  438.             if (customURIDs[i])

  439.                 free((void*)customURIDs[i]);

  440.         }

  441. 

  442.         customURIDs.clear();

  443.     }

  444. 

  445.     // -------------------------------------------------------------------

  446.     // Information (base)

  447. 

  448.     PluginCategory category()

  449.     {

  450.         Q_ASSERT(rdf_descriptor);

  451. 

  452.         LV2_Property category = rdf_descriptor->Type;

  453. 

  454.         if (LV2_IS_DELAY(category))

  455.             return PLUGIN_CATEGORY_DELAY;

  456.         if (LV2_IS_DISTORTION(category))

  457.             return PLUGIN_CATEGORY_OTHER;

  458.         if (LV2_IS_DYNAMICS(category))

  459.             return PLUGIN_CATEGORY_DYNAMICS;

  460.         if (LV2_IS_EQ(category))

  461.             return PLUGIN_CATEGORY_EQ;

  462.         if (LV2_IS_FILTER(category))

  463.             return PLUGIN_CATEGORY_FILTER;

  464.         if (LV2_IS_GENERATOR(category))

  465.             return PLUGIN_CATEGORY_SYNTH;

  466.         if (LV2_IS_MODULATOR(category))

  467.             return PLUGIN_CATEGORY_MODULATOR;

  468.         if (LV2_IS_REVERB(category))

  469.             return PLUGIN_CATEGORY_DELAY;

  470.         if (LV2_IS_SIMULATOR(category))

  471.             return PLUGIN_CATEGORY_OTHER;

  472.         if (LV2_IS_SPATIAL(category))

  473.             return PLUGIN_CATEGORY_OTHER;

  474.         if (LV2_IS_SPECTRAL(category))

  475.             return PLUGIN_CATEGORY_UTILITY;

  476.         if (LV2_IS_UTILITY(category))

  477.             return PLUGIN_CATEGORY_UTILITY;

  478. 

  479.         return getPluginCategoryFromName(m_name);

  480.     }

  481. 

  482.     long uniqueId()

  483.     {

  484.         Q_ASSERT(rdf_descriptor);

  485. 

  486.         return rdf_descriptor->UniqueID;

  487.     }

  488. 

  489.     // -------------------------------------------------------------------

  490.     // Information (count)

  491. 

  492.     uint32_t midiInCount()

  493.     {

  494.         uint32_t i, count = 0;

  495. 

  496.         for (i=0; i < evIn.count; i++)

  497.         {

  498.             if (evIn.data[i].type & CARLA_EVENT_TYPE_MIDI)

  499.                 count += 1;

  500.         }

  501. 

  502.         return count;

  503.     }

  504. 

  505.     uint32_t midiOutCount()

  506.     {

  507.         uint32_t i, count = 0;

  508. 

  509.         for (i=0; i < evOut.count; i++)

  510.         {

  511.             if (evOut.data[i].type & CARLA_EVENT_TYPE_MIDI)

  512.                 count += 1;

  513.         }

  514. 

  515.         return count;

  516.     }

  517. 

  518.     uint32_t parameterScalePointCount(const uint32_t parameterId)

  519.     {

  520.         Q_ASSERT(parameterId < param.count);

  521.         Q_ASSERT(rdf_descriptor);

  522. 

  523.         int32_t rindex = param.data[parameterId].rindex;

  524. 

  525.         if (rdf_descriptor && rindex < (int32_t)rdf_descriptor->PortCount)

  526.         {

  527.             const LV2_RDF_Port* const port = &rdf_descriptor->Ports[rindex];

  528. 

  529.             if (port)

  530.                 return port->ScalePointCount;

  531.         }

  532. 

  533.         return 0;

  534.     }

  535. 

  536.     // -------------------------------------------------------------------

  537.     // Information (per-plugin data)

  538. 

  539.     double getParameterValue(const uint32_t parameterId)

  540.     {

  541.         Q_ASSERT(parameterId < param.count);

  542. 

  543.         return paramBuffers[parameterId];

  544.     }

  545. 

  546.     double getParameterScalePointValue(const uint32_t parameterId, const uint32_t scalePointId)

  547.     {

  548.         Q_ASSERT(parameterId < param.count);

  549.         Q_ASSERT(scalePointId < parameterScalePointCount(parameterId));

  550. 

  551.         int32_t rindex = param.data[parameterId].rindex;

  552. 

  553.         if (rdf_descriptor && rindex < (int32_t)rdf_descriptor->PortCount)

  554.         {

  555.             const LV2_RDF_Port* const port = &rdf_descriptor->Ports[rindex];

  556. 

  557.             if (port && scalePointId < port->ScalePointCount)

  558.             {

  559.                 const LV2_RDF_PortScalePoint* const portScalePoint = &port->ScalePoints[scalePointId];

  560. 

  561.                 if (portScalePoint)

  562.                     return portScalePoint->Value;

  563.             }

  564.         }

  565. 

  566.         return 0.0;

  567.     }

  568. 

  569.     void getLabel(char* const strBuf)

  570.     {

  571.         Q_ASSERT(rdf_descriptor);

  572. 

  573.         if (rdf_descriptor && rdf_descriptor->URI)

  574.             strncpy(strBuf, rdf_descriptor->URI, STR_MAX);

  575.         else

  576.             CarlaPlugin::getLabel(strBuf);

  577.     }

  578. 

  579.     void getMaker(char* const strBuf)

  580.     {

  581.         Q_ASSERT(rdf_descriptor);

  582. 

  583.         if (rdf_descriptor && rdf_descriptor->Author)

  584.             strncpy(strBuf, rdf_descriptor->Author, STR_MAX);

  585.         else

  586.             CarlaPlugin::getMaker(strBuf);

  587.     }

  588. 

  589.     void getCopyright(char* const strBuf)

  590.     {

  591.         Q_ASSERT(rdf_descriptor);

  592. 

  593.         if (rdf_descriptor && rdf_descriptor->License)

  594.             strncpy(strBuf, rdf_descriptor->License, STR_MAX);

  595.         else

  596.             CarlaPlugin::getCopyright(strBuf);

  597.     }

  598. 

  599.     void getRealName(char* const strBuf)

  600.     {

  601.         Q_ASSERT(rdf_descriptor);

  602. 

  603.         if (rdf_descriptor && rdf_descriptor->Name)

  604.             strncpy(strBuf, rdf_descriptor->Name, STR_MAX);

  605.         else

  606.             CarlaPlugin::getRealName(strBuf);

  607.     }

  608. 

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

  610.     {

  611.         Q_ASSERT(rdf_descriptor);

  612.         Q_ASSERT(parameterId < param.count);

  613. 

  614.         int32_t rindex = param.data[parameterId].rindex;

  615. 

  616.         if (rdf_descriptor && rindex < (int32_t)rdf_descriptor->PortCount)

  617.             strncpy(strBuf, rdf_descriptor->Ports[rindex].Name, STR_MAX);

  618.         else

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

  620.     }

  621. 

  622.     void getParameterSymbol(const uint32_t parameterId, char* const strBuf)

  623.     {

  624.         Q_ASSERT(rdf_descriptor);

  625.         Q_ASSERT(parameterId < param.count);

  626. 

  627.         int32_t rindex = param.data[parameterId].rindex;

  628. 

  629.         if (rdf_descriptor && rindex < (int32_t)rdf_descriptor->PortCount)

  630.             strncpy(strBuf, rdf_descriptor->Ports[rindex].Symbol, STR_MAX);

  631.         else

  632.             CarlaPlugin::getParameterSymbol(parameterId, strBuf);

  633.     }

  634. 

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

  636.     {

  637.         Q_ASSERT(rdf_descriptor);

  638.         Q_ASSERT(parameterId < param.count);

  639. 

  640.         int32_t rindex = param.data[parameterId].rindex;

  641. 

  642.         if (rdf_descriptor && rindex < (int32_t)rdf_descriptor->PortCount)

  643.         {

  644.             const LV2_RDF_Port* const port = &rdf_descriptor->Ports[rindex];

  645. 

  646.             if (LV2_HAVE_UNIT_SYMBOL(port->Unit.Hints) && port->Unit.Symbol)

  647.                 strncpy(strBuf, port->Unit.Symbol, STR_MAX);

  648. 

  649.             else if (LV2_HAVE_UNIT(port->Unit.Hints))

  650.             {

  651.                 switch (port->Unit.Type)

  652.                 {

  653.                 case LV2_UNIT_BAR:

  654.                     strncpy(strBuf, "bars", STR_MAX);

  655.                     return;

  656.                 case LV2_UNIT_BEAT:

  657.                     strncpy(strBuf, "beats", STR_MAX);

  658.                     return;

  659.                 case LV2_UNIT_BPM:

  660.                     strncpy(strBuf, "BPM", STR_MAX);

  661.                     return;

  662.                 case LV2_UNIT_CENT:

  663.                     strncpy(strBuf, "ct", STR_MAX);

  664.                     return;

  665.                 case LV2_UNIT_CM:

  666.                     strncpy(strBuf, "cm", STR_MAX);

  667.                     return;

  668.                 case LV2_UNIT_COEF:

  669.                     strncpy(strBuf, "(coef)", STR_MAX);

  670.                     return;

  671.                 case LV2_UNIT_DB:

  672.                     strncpy(strBuf, "dB", STR_MAX);

  673.                     return;

  674.                 case LV2_UNIT_DEGREE:

  675.                     strncpy(strBuf, "deg", STR_MAX);

  676.                     return;

  677.                 case LV2_UNIT_FRAME:

  678.                     strncpy(strBuf, "frames", STR_MAX);

  679.                     return;

  680.                 case LV2_UNIT_HZ:

  681.                     strncpy(strBuf, "Hz", STR_MAX);

  682.                     return;

  683.                 case LV2_UNIT_INCH:

  684.                     strncpy(strBuf, "in", STR_MAX);

  685.                     return;

  686.                 case LV2_UNIT_KHZ:

  687.                     strncpy(strBuf, "kHz", STR_MAX);

  688.                     return;

  689.                 case LV2_UNIT_KM:

  690.                     strncpy(strBuf, "km", STR_MAX);

  691.                     return;

  692.                 case LV2_UNIT_M:

  693.                     strncpy(strBuf, "m", STR_MAX);

  694.                     return;

  695.                 case LV2_UNIT_MHZ:

  696.                     strncpy(strBuf, "MHz", STR_MAX);

  697.                     return;

  698.                 case LV2_UNIT_MIDINOTE:

  699.                     strncpy(strBuf, "note", STR_MAX);

  700.                     return;

  701.                 case LV2_UNIT_MILE:

  702.                     strncpy(strBuf, "mi", STR_MAX);

  703.                     return;

  704.                 case LV2_UNIT_MIN:

  705.                     strncpy(strBuf, "min", STR_MAX);

  706.                     return;

  707.                 case LV2_UNIT_MM:

  708.                     strncpy(strBuf, "mm", STR_MAX);

  709.                     return;

  710.                 case LV2_UNIT_MS:

  711.                     strncpy(strBuf, "ms", STR_MAX);

  712.                     return;

  713.                 case LV2_UNIT_OCT:

  714.                     strncpy(strBuf, "oct", STR_MAX);

  715.                     return;

  716.                 case LV2_UNIT_PC:

  717.                     strncpy(strBuf, "%", STR_MAX);

  718.                     return;

  719.                 case LV2_UNIT_S:

  720.                     strncpy(strBuf, "s", STR_MAX);

  721.                     return;

  722.                 case LV2_UNIT_SEMITONE:

  723.                     strncpy(strBuf, "semi", STR_MAX);

  724.                     return;

  725.                 }

  726.             }

  727.         }

  728. 

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

  730.     }

  731. 

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

  733.     {

  734.         Q_ASSERT(rdf_descriptor);

  735.         Q_ASSERT(parameterId < param.count);

  736.         Q_ASSERT(scalePointId < parameterScalePointCount(parameterId));

  737. 

  738.         int32_t rindex = param.data[parameterId].rindex;

  739. 

  740.         if (rdf_descriptor && rindex < (int32_t)rdf_descriptor->PortCount)

  741.         {

  742.             const LV2_RDF_Port* const port = &rdf_descriptor->Ports[rindex];

  743. 

  744.             if (port && scalePointId < port->ScalePointCount)

  745.             {

  746.                 const LV2_RDF_PortScalePoint* const portScalePoint = &port->ScalePoints[scalePointId];

  747. 

  748.                 if (portScalePoint && portScalePoint->Label)

  749.                 {

  750.                     strncpy(strBuf, portScalePoint->Label, STR_MAX);

  751.                     return;

  752.                 }

  753.             }

  754.         }

  755. 

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

  757.     }

  758. 

  759.     void getGuiInfo(GuiType* const type, bool* const resizable)

  760.     {

  761.         Q_ASSERT(type);

  762.         Q_ASSERT(resizable);

  763. 

  764.         *type      = gui.type;

  765.         *resizable = gui.resizable;

  766.     }

  767. 

  768.     // -------------------------------------------------------------------

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

  770. 

  771.     void setParameterValue(const uint32_t parameterId, double value, const bool sendGui, const bool sendOsc, const bool sendCallback)

  772.     {

  773.         Q_ASSERT(parameterId < param.count);

  774. 

  775.         paramBuffers[parameterId] = fixParameterValue(value, param.ranges[parameterId]);

  776. 

  777.         CarlaPlugin::setParameterValue(parameterId, value, sendGui, sendOsc, sendCallback);

  778.     }

  779. 

  780.     void setCustomData(const CustomDataType type, const char* const key, const char* const value, const bool sendGui)

  781.     {

  782.         Q_ASSERT(type != CUSTOM_DATA_INVALID);

  783.         Q_ASSERT(key);

  784.         Q_ASSERT(value);

  785. 

  786.         if (type == CUSTOM_DATA_INVALID)

  787.             return qCritical("Lv2Plugin::setCustomData(%s, \"%s\", \"%s\", %s) - type is invalid", CustomDataType2str(type), key, value, bool2str(sendGui));

  788. 

  789.         if (! key)

  790.             return qCritical("Lv2Plugin::setCustomData(%s, \"%s\", \"%s\", %s) - key is null", CustomDataType2str(type), key, value, bool2str(sendGui));

  791. 

  792.         if (! value)

  793.             return qCritical("Lv2Plugin::setCustomData(%s, \"%s\", \"%s\", %s) - value is null", CustomDataType2str(type), key, value, bool2str(sendGui));

  794. 

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

  796. 

  797.         if (ext.state)

  798.         {

  799.             const char* const stype = getCustomDataTypeString(type);

  800.             LV2_State_Status status;

  801. 

  802.             if (x_engine->isOffline())

  803.             {

  804.                 const CarlaEngine::ScopedLocker m(x_engine);

  805.                 status = ext.state->restore(handle, carla_lv2_state_retrieve, this, 0, features);

  806.                 if (h2) ext.state->restore(h2, carla_lv2_state_retrieve, this, 0, features);

  807.             }

  808.             else

  809.             {

  810.                 const CarlaPlugin::ScopedDisabler m(this);

  811.                 status = ext.state->restore(handle, carla_lv2_state_retrieve, this, 0, features);

  812.                 if (h2) ext.state->restore(h2, carla_lv2_state_retrieve, this, 0, features);

  813.             }

  814. 

  815.             switch (status)

  816.             {

  817.             case LV2_STATE_SUCCESS:

  818.                 qDebug("Lv2Plugin::setCustomData(%s, %s, <value>, %s) - success", stype, key, bool2str(sendGui));

  819.                 break;

  820.             case LV2_STATE_ERR_UNKNOWN:

  821.                 qWarning("Lv2Plugin::setCustomData(%s, %s, <value>, %s) - unknown error", stype, key, bool2str(sendGui));

  822.                 break;

  823.             case LV2_STATE_ERR_BAD_TYPE:

  824.                 qWarning("Lv2Plugin::setCustomData(%s, %s, <value>, %s) - error, bad type", stype, key, bool2str(sendGui));

  825.                 break;

  826.             case LV2_STATE_ERR_BAD_FLAGS:

  827.                 qWarning("Lv2Plugin::setCustomData(%s, %s, <value>, %s) - error, bad flags", stype, key, bool2str(sendGui));

  828.                 break;

  829.             case LV2_STATE_ERR_NO_FEATURE:

  830.                 qWarning("Lv2Plugin::setCustomData(%s, %s, <value>, %s) - error, missing feature", stype, key, bool2str(sendGui));

  831.                 break;

  832.             case LV2_STATE_ERR_NO_PROPERTY:

  833.                 qWarning("Lv2Plugin::setCustomData(%s, %s, <value>, %s) - error, missing property", stype, key, bool2str(sendGui));

  834.                 break;

  835.             }

  836.         }

  837. 

  838.         if (sendGui)

  839.         {

  840.             CustomData cdata;

  841.             cdata.type  = type;

  842.             cdata.key   = key;

  843.             cdata.value = value;

  844.             uiTransferEvent(&cdata);

  845.         }

  846.     }

  847. 

  848.     void setMidiProgram(int32_t index, const bool sendGui, const bool sendOsc, const bool sendCallback, const bool block)

  849.     {

  850.         Q_ASSERT(index >= -1 && index < (int32_t)midiprog.count);

  851. 

  852.         if (index < -1)

  853.             index = -1;

  854.         else if (index > (int32_t)midiprog.count)

  855.             return;

  856. 

  857.         if (ext.programs && index >= 0)

  858.         {

  859.             if (x_engine->isOffline())

  860.             {

  861.                 const CarlaEngine::ScopedLocker m(x_engine, block);

  862.                 ext.programs->select_program(handle, midiprog.data[index].bank, midiprog.data[index].program);

  863.                 if (h2) ext.programs->select_program(h2, midiprog.data[index].bank, midiprog.data[index].program);

  864.             }

  865.             else

  866.             {

  867.                 const ScopedDisabler m(this, block);

  868.                 ext.programs->select_program(handle, midiprog.data[index].bank, midiprog.data[index].program);

  869.                 if (h2) ext.programs->select_program(h2, midiprog.data[index].bank, midiprog.data[index].program);

  870.             }

  871.         }

  872. 

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

  874.     }

  875. 

  876.     // -------------------------------------------------------------------

  877.     // Set gui stuff

  878. 

  879.     void setGuiData(const GuiDataHandle handle)

  880.     {

  881.         switch(gui.type)

  882.         {

  883.         case GUI_NONE:

  884.             break;

  885. 

  886. #ifndef __WINE__

  887.         case GUI_INTERNAL_QT4:

  888.             if (ui.widget)

  889.             {

  890.                 QDialog* const dialog = handle;

  891.                 QWidget* const widget = (QWidget*)ui.widget;

  892.                 dialog->layout()->addWidget(widget);

  893.                 widget->adjustSize();

  894.                 widget->setParent(dialog);

  895.                 widget->show();

  896.             }

  897.             break;

  898. #endif

  899. 

  900.         case GUI_INTERNAL_COCOA:

  901.         case GUI_INTERNAL_HWND:

  902.         case GUI_INTERNAL_X11:

  903.             if (ui.descriptor)

  904.             {

  905. #ifdef __WINE__

  906.                 features[lv2_feature_id_ui_parent]->data = (void*)handle;

  907. #else

  908.                 features[lv2_feature_id_ui_parent]->data = (void*)handle->winId();

  909. #endif

  910.                 ui.handle = ui.descriptor->instantiate(ui.descriptor,

  911.                                                        descriptor->URI, ui.rdf_descriptor->Bundle,

  912.                                                        carla_lv2_ui_write_function, this, &ui.widget,features);

  913.                 updateUi();

  914.             }

  915.             break;

  916. 

  917.         case GUI_EXTERNAL_LV2:

  918.         case GUI_EXTERNAL_SUIL:

  919.         case GUI_EXTERNAL_OSC:

  920.             break;

  921.         }

  922.     }

  923. 

  924.     void showGui(const bool yesNo)

  925.     {

  926.         switch(gui.type)

  927.         {

  928.         case GUI_NONE:

  929.         case GUI_INTERNAL_QT4:

  930.             break;

  931. 

  932.         case GUI_INTERNAL_COCOA:

  933.         case GUI_INTERNAL_HWND:

  934.         case GUI_INTERNAL_X11:

  935.             if (yesNo && gui.width > 0 && gui.height > 0)

  936.                 x_engine->callback(CALLBACK_RESIZE_GUI, m_id, gui.width, gui.height, 0.0);

  937.             break;

  938. 

  939.         case GUI_EXTERNAL_LV2:

  940.             if (yesNo && ! ui.handle)

  941.                 initExternalUi();

  942. 

  943.             if (ui.handle && ui.descriptor && ui.widget)

  944.             {

  945.                 if (yesNo)

  946.                 {

  947.                     LV2_EXTERNAL_UI_SHOW((LV2_External_UI_Widget*)ui.widget);

  948.                 }

  949.                 else

  950.                 {

  951.                     LV2_EXTERNAL_UI_HIDE((LV2_External_UI_Widget*)ui.widget);

  952. 

  953.                     if (rdf_descriptor->Author && strcmp(rdf_descriptor->Author, "linuxDSP") == 0)

  954.                     {

  955.                         qWarning("linuxDSP LV2 UI hack (force close instead of hide)");

  956. 

  957.                         if (ui.descriptor->cleanup)

  958.                             ui.descriptor->cleanup(ui.handle);

  959. 

  960.                         ui.handle = nullptr;

  961.                     }

  962.                 }

  963.             }

  964.             else

  965.                 // failed to init UI

  966.                 x_engine->callback(CALLBACK_SHOW_GUI, m_id, -1, 0, 0.0);

  967. 

  968.             break;

  969. 

  970.         case GUI_EXTERNAL_SUIL:

  971. #if defined(HAVE_SUIL) && ! defined(__WINE__)

  972.             if (ui.widget)

  973.             {

  974.                 QWidget* const widget = (QWidget*)ui.widget;

  975. 

  976.                 if (yesNo)

  977.                 {

  978.                     if (! suil.pos.isNull())

  979.                         widget->restoreGeometry(suil.pos);

  980.                 }

  981.                 else

  982.                     suil.pos = widget->saveGeometry();

  983. 

  984.                 widget->setVisible(yesNo);

  985.             }

  986. #endif

  987.             break;

  988. 

  989.         case GUI_EXTERNAL_OSC:

  990. #ifndef BUILD_BRIDGE

  991.             Q_ASSERT(osc.thread);

  992. 

  993.             if (! osc.thread)

  994.             {

  995.                 qCritical("Lv2Plugin::showGui(%s) - attempt to show gui, but it does not exist!", bool2str(yesNo));

  996.                 return;

  997.             }

  998. 

  999.             if (yesNo)

  1000.             {

  1001.                 osc.thread->start();

  1002.             }

  1003.             else

  1004.             {

  1005.                 if (osc.data.target)

  1006.                 {

  1007.                     osc_send_hide(&osc.data);

  1008.                     osc_send_quit(&osc.data);

  1009.                     osc_clear_data(&osc.data);

  1010.                 }

  1011. 

  1012.                 if (! osc.thread->wait(500))

  1013.                     osc.thread->quit();

  1014.             }

  1015. #endif

  1016.             break;

  1017.         }

  1018.     }

  1019. 

  1020.     void idleGui()

  1021.     {

  1022.         // Update external UI

  1023.         if (gui.type == GUI_EXTERNAL_LV2 && ui.handle && ui.descriptor && ui.widget)

  1024.             LV2_EXTERNAL_UI_RUN((LV2_External_UI_Widget*)ui.widget);

  1025. 

  1026.         CarlaPlugin::idleGui();

  1027.     }

  1028. 

  1029.     // -------------------------------------------------------------------

  1030.     // Plugin state

  1031. 

  1032.     void reload()

  1033.     {

  1034.         qDebug("Lv2Plugin::reload() - start");

  1035.         Q_ASSERT(descriptor && rdf_descriptor);

  1036. 

  1037.         // Safely disable plugin for reload

  1038.         const ScopedDisabler m(this);

  1039. 

  1040.         if (x_client->isActive())

  1041.             x_client->deactivate();

  1042. 

  1043.         // Remove client ports

  1044.         removeClientPorts();

  1045. 

  1046.         // Delete old data

  1047.         deleteBuffers();

  1048. 

  1049.         uint32_t aIns, aOuts, cvIns, cvOuts, params, j;

  1050.         aIns = aOuts = cvIns = cvOuts = params = 0;

  1051.         std::vector<uint32_t> evIns, evOuts;

  1052. 

  1053.         const double sampleRate  = x_engine->getSampleRate();

  1054.         const uint32_t portCount = rdf_descriptor->PortCount;

  1055. 

  1056.         bool forcedStereoIn, forcedStereoOut;

  1057.         forcedStereoIn = forcedStereoOut = false;

  1058. 

  1059.         for (uint32_t i=0; i < portCount; i++)

  1060.         {

  1061.             const LV2_Property portType = rdf_descriptor->Ports[i].Type;

  1062. 

  1063.             if (LV2_IS_PORT_AUDIO(portType))

  1064.             {

  1065.                 if (LV2_IS_PORT_INPUT(portType))

  1066.                     aIns += 1;

  1067.                 else if (LV2_IS_PORT_OUTPUT(portType))

  1068.                     aOuts += 1;

  1069.             }

  1070.             else if (LV2_IS_PORT_CV(portType))

  1071.             {

  1072.                 if (LV2_IS_PORT_INPUT(portType))

  1073.                     cvIns += 1;

  1074.                 else if (LV2_IS_PORT_OUTPUT(portType))

  1075.                     cvOuts += 1;

  1076.             }

  1077.             else if (LV2_IS_PORT_ATOM_SEQUENCE(portType))

  1078.             {

  1079.                 if (LV2_IS_PORT_INPUT(portType))

  1080.                     evIns.push_back(CARLA_EVENT_DATA_ATOM);

  1081.                 else if (LV2_IS_PORT_OUTPUT(portType))

  1082.                     evOuts.push_back(CARLA_EVENT_DATA_ATOM);

  1083.             }

  1084.             else if (LV2_IS_PORT_EVENT(portType))

  1085.             {

  1086.                 if (LV2_IS_PORT_INPUT(portType))

  1087.                     evIns.push_back(CARLA_EVENT_DATA_EVENT);

  1088.                 else if (LV2_IS_PORT_OUTPUT(portType))

  1089.                     evOuts.push_back(CARLA_EVENT_DATA_EVENT);

  1090.             }

  1091.             else if (LV2_IS_PORT_MIDI_LL(portType))

  1092.             {

  1093.                 if (LV2_IS_PORT_INPUT(portType))

  1094.                     evIns.push_back(CARLA_EVENT_DATA_MIDI_LL);

  1095.                 else if (LV2_IS_PORT_OUTPUT(portType))

  1096.                     evOuts.push_back(CARLA_EVENT_DATA_MIDI_LL);

  1097.             }

  1098.             else if (LV2_IS_PORT_CONTROL(portType))

  1099.                 params += 1;

  1100.         }

  1101. 

  1102. #ifndef BUILD_BRIDGE

  1103.         if (carlaOptions.forceStereo && (aIns == 1 || aOuts == 1) && ! h2)

  1104.         {

  1105.             h2 = descriptor->instantiate(descriptor, sampleRate, rdf_descriptor->Bundle, features);

  1106. 

  1107.             if (aIns == 1)

  1108.             {

  1109.                 aIns = 2;

  1110.                 forcedStereoIn = true;

  1111.             }

  1112. 

  1113.             if (aOuts == 1)

  1114.             {

  1115.                 aOuts = 2;

  1116.                 forcedStereoOut = true;

  1117.             }

  1118.         }

  1119. #endif

  1120. 

  1121.         if (aIns > 0)

  1122.         {

  1123.             aIn.ports    = new CarlaEngineAudioPort*[aIns];

  1124.             aIn.rindexes = new uint32_t[aIns];

  1125.         }

  1126. 

  1127.         if (aOuts > 0)

  1128.         {

  1129.             aOut.ports    = new CarlaEngineAudioPort*[aOuts];

  1130.             aOut.rindexes = new uint32_t[aOuts];

  1131.         }

  1132. 

  1133.         if (evIns.size() > 0)

  1134.         {

  1135.             const size_t size = evIns.size();

  1136.             evIn.data = new Lv2EventData[size];

  1137. 

  1138.             for (j=0; j < size; j++)

  1139.             {

  1140.                 evIn.data[j].port = nullptr;

  1141.                 evIn.data[j].type = 0;

  1142. 

  1143.                 if (evIns[j] == CARLA_EVENT_DATA_ATOM)

  1144.                 {

  1145.                     evIn.data[j].type = CARLA_EVENT_DATA_ATOM;

  1146.                     evIn.data[j].atom = (LV2_Atom_Sequence*)malloc(sizeof(LV2_Atom_Sequence) + MAX_EVENT_BUFFER);

  1147.                     evIn.data[j].atom->atom.size = sizeof(LV2_Atom_Sequence_Body);

  1148.                     evIn.data[j].atom->atom.type = CARLA_URI_MAP_ID_ATOM_SEQUENCE;

  1149.                     evIn.data[j].atom->body.unit = CARLA_URI_MAP_ID_NULL;

  1150.                     evIn.data[j].atom->body.pad  = 0;

  1151.                 }

  1152.                 else if (evIns[j] == CARLA_EVENT_DATA_EVENT)

  1153.                 {

  1154.                     evIn.data[j].type  = CARLA_EVENT_DATA_EVENT;

  1155.                     evIn.data[j].event = lv2_event_buffer_new(MAX_EVENT_BUFFER, LV2_EVENT_AUDIO_STAMP);

  1156.                 }

  1157.                 else if (evIns[j] == CARLA_EVENT_DATA_MIDI_LL)

  1158.                 {

  1159.                     evIn.data[j].type  = CARLA_EVENT_DATA_MIDI_LL;

  1160.                     evIn.data[j].midi  = new LV2_MIDI;

  1161.                     evIn.data[j].midi->capacity = MAX_EVENT_BUFFER;

  1162.                     evIn.data[j].midi->data     = new unsigned char [MAX_EVENT_BUFFER];

  1163.                 }

  1164.             }

  1165.         }

  1166. 

  1167.         if (evOuts.size() > 0)

  1168.         {

  1169.             const size_t size = evOuts.size();

  1170.             evOut.data = new Lv2EventData[size];

  1171. 

  1172.             for (j=0; j < size; j++)

  1173.             {

  1174.                 evOut.data[j].port = nullptr;

  1175.                 evOut.data[j].type = 0;

  1176. 

  1177.                 if (evOuts[j] == CARLA_EVENT_DATA_ATOM)

  1178.                 {

  1179.                     evOut.data[j].type = CARLA_EVENT_DATA_ATOM;

  1180.                     evOut.data[j].atom = (LV2_Atom_Sequence*)malloc(sizeof(LV2_Atom_Sequence) + MAX_EVENT_BUFFER);

  1181.                     evOut.data[j].atom->atom.size = sizeof(LV2_Atom_Sequence_Body);

  1182.                     evOut.data[j].atom->atom.type = CARLA_URI_MAP_ID_ATOM_SEQUENCE;

  1183.                     evOut.data[j].atom->body.unit = CARLA_URI_MAP_ID_NULL;

  1184.                     evOut.data[j].atom->body.pad  = 0;

  1185.                 }

  1186.                 else if (evOuts[j] == CARLA_EVENT_DATA_EVENT)

  1187.                 {

  1188.                     evOut.data[j].type  = CARLA_EVENT_DATA_EVENT;

  1189.                     evOut.data[j].event = lv2_event_buffer_new(MAX_EVENT_BUFFER, LV2_EVENT_AUDIO_STAMP);

  1190.                 }

  1191.                 else if (evOuts[j] == CARLA_EVENT_DATA_MIDI_LL)

  1192.                 {

  1193.                     evOut.data[j].type  = CARLA_EVENT_DATA_MIDI_LL;

  1194.                     evOut.data[j].midi  = new LV2_MIDI;

  1195.                     evOut.data[j].midi->capacity = MAX_EVENT_BUFFER;

  1196.                     evOut.data[j].midi->data     = new unsigned char [MAX_EVENT_BUFFER];

  1197.                 }

  1198.             }

  1199.         }

  1200. 

  1201.         if (params > 0)

  1202.         {

  1203.             param.data   = new ParameterData[params];

  1204.             param.ranges = new ParameterRanges[params];

  1205.             paramBuffers = new float[params];

  1206.         }

  1207. 

  1208.         const int portNameSize = CarlaEngine::maxPortNameSize() - 2;

  1209.         char portName[portNameSize];

  1210.         bool needsCtrlIn  = false;

  1211.         bool needsCtrlOut = false;

  1212. 

  1213.         for (uint32_t i=0; i < portCount; i++)

  1214.         {

  1215.             const LV2_Property portType = rdf_descriptor->Ports[i].Type;

  1216. 

  1217.             if (LV2_IS_PORT_AUDIO(portType) || LV2_IS_PORT_ATOM_SEQUENCE(portType) || LV2_IS_PORT_CV(portType) || LV2_IS_PORT_EVENT(portType) || LV2_IS_PORT_MIDI_LL(portType))

  1218.             {

  1219. #ifndef BUILD_BRIDGE

  1220.                 if (carlaOptions.processMode != PROCESS_MODE_MULTIPLE_CLIENTS)

  1221.                 {

  1222.                     strcpy(portName, m_name);

  1223.                     strcat(portName, ":");

  1224.                     strncat(portName, rdf_descriptor->Ports[i].Name, portNameSize/2);

  1225.                 }

  1226.                 else

  1227. #endif

  1228.                     strncpy(portName, rdf_descriptor->Ports[i].Name, portNameSize);

  1229.             }

  1230. 

  1231.             if (LV2_IS_PORT_AUDIO(portType))

  1232.             {

  1233.                 if (LV2_IS_PORT_INPUT(portType))

  1234.                 {

  1235.                     j = aIn.count++;

  1236.                     aIn.ports[j]    = (CarlaEngineAudioPort*)x_client->addPort(CarlaEnginePortTypeAudio, portName, true);

  1237.                     aIn.rindexes[j] = i;

  1238. 

  1239.                     if (forcedStereoIn)

  1240.                     {

  1241.                         strcat(portName, "_");

  1242.                         aIn.ports[1]    = (CarlaEngineAudioPort*)x_client->addPort(CarlaEnginePortTypeAudio, portName, true);

  1243.                         aIn.rindexes[1] = i;

  1244.                     }

  1245.                 }

  1246.                 else if (LV2_IS_PORT_OUTPUT(portType))

  1247.                 {

  1248.                     j = aOut.count++;

  1249.                     aOut.ports[j]    = (CarlaEngineAudioPort*)x_client->addPort(CarlaEnginePortTypeAudio, portName, false);

  1250.                     aOut.rindexes[j] = i;

  1251.                     needsCtrlIn = true;

  1252. 

  1253.                     if (forcedStereoOut)

  1254.                     {

  1255.                         strcat(portName, "_");

  1256.                         aOut.ports[1]    = (CarlaEngineAudioPort*)x_client->addPort(CarlaEnginePortTypeAudio, portName, false);

  1257.                         aOut.rindexes[1] = i;

  1258.                     }

  1259.                 }

  1260.                 else

  1261.                     qWarning("WARNING - Got a broken Port (Audio, but not input or output)");

  1262.             }

  1263.             else if (LV2_IS_PORT_CV(portType))

  1264.             {

  1265.                 if (LV2_IS_PORT_INPUT(portType))

  1266.                 {

  1267.                     qWarning("WARNING - CV Ports are not supported yet");

  1268.                 }

  1269.                 else if (LV2_IS_PORT_OUTPUT(portType))

  1270.                 {

  1271.                     qWarning("WARNING - CV Ports are not supported yet");

  1272.                 }

  1273.                 else

  1274.                     qWarning("WARNING - Got a broken Port (CV, but not input or output)");

  1275. 

  1276.                 descriptor->connect_port(handle, i, nullptr);

  1277.                 if (h2) descriptor->connect_port(h2, i, nullptr);

  1278.             }

  1279.             else if (LV2_IS_PORT_ATOM_SEQUENCE(portType))

  1280.             {

  1281.                 if (LV2_IS_PORT_INPUT(portType))

  1282.                 {

  1283.                     j = evIn.count++;

  1284.                     descriptor->connect_port(handle, i, evIn.data[j].atom);

  1285.                     if (h2) descriptor->connect_port(h2, i, evIn.data[j].atom);

  1286. 

  1287.                     if (portType & LV2_PORT_SUPPORTS_MIDI_EVENT)

  1288.                     {

  1289.                         evIn.data[j].type |= CARLA_EVENT_TYPE_MIDI;

  1290.                         evIn.data[j].port  = (CarlaEngineMidiPort*)x_client->addPort(CarlaEnginePortTypeMIDI, portName, true);

  1291.                     }

  1292.                     if (portType & LV2_PORT_SUPPORTS_PATCH_MESSAGE)

  1293.                     {

  1294.                         evIn.data[j].type |= CARLA_EVENT_TYPE_MESSAGE;

  1295.                     }

  1296.                 }

  1297.                 else if (LV2_IS_PORT_OUTPUT(portType))

  1298.                 {

  1299.                     j = evOut.count++;

  1300.                     descriptor->connect_port(handle, i, evOut.data[j].atom);

  1301.                     if (h2) descriptor->connect_port(h2, i, evOut.data[j].atom);

  1302. 

  1303.                     if (portType & LV2_PORT_SUPPORTS_MIDI_EVENT)

  1304.                     {

  1305.                         evOut.data[j].type |= CARLA_EVENT_TYPE_MIDI;

  1306.                         evOut.data[j].port  = (CarlaEngineMidiPort*)x_client->addPort(CarlaEnginePortTypeMIDI, portName, false);

  1307.                     }

  1308.                     if (portType & LV2_PORT_SUPPORTS_PATCH_MESSAGE)

  1309.                     {

  1310.                         evOut.data[j].type |= CARLA_EVENT_TYPE_MESSAGE;

  1311.                     }

  1312.                 }

  1313.                 else

  1314.                     qWarning("WARNING - Got a broken Port (Atom Sequence, but not input or output)");

  1315.             }

  1316.             else if (LV2_IS_PORT_EVENT(portType))

  1317.             {

  1318.                 if (LV2_IS_PORT_INPUT(portType))

  1319.                 {

  1320.                     j = evIn.count++;

  1321.                     descriptor->connect_port(handle, i, evIn.data[j].event);

  1322.                     if (h2) descriptor->connect_port(h2, i, evIn.data[j].event);

  1323. 

  1324.                     if (portType & LV2_PORT_SUPPORTS_MIDI_EVENT)

  1325.                     {

  1326.                         evIn.data[j].type |= CARLA_EVENT_TYPE_MIDI;

  1327.                         evIn.data[j].port  = (CarlaEngineMidiPort*)x_client->addPort(CarlaEnginePortTypeMIDI, portName, true);

  1328.                     }

  1329.                 }

  1330.                 else if (LV2_IS_PORT_OUTPUT(portType))

  1331.                 {

  1332.                     j = evOut.count++;

  1333.                     descriptor->connect_port(handle, i, evOut.data[j].event);

  1334.                     if (h2) descriptor->connect_port(h2, i, evOut.data[j].event);

  1335. 

  1336.                     if (portType & LV2_PORT_SUPPORTS_MIDI_EVENT)

  1337.                     {

  1338.                         evOut.data[j].type |= CARLA_EVENT_TYPE_MIDI;

  1339.                         evOut.data[j].port  = (CarlaEngineMidiPort*)x_client->addPort(CarlaEnginePortTypeMIDI, portName, false);

  1340.                     }

  1341.                 }

  1342.                 else

  1343.                     qWarning("WARNING - Got a broken Port (Event, but not input or output)");

  1344.             }

  1345.             else if (LV2_IS_PORT_MIDI_LL(portType))

  1346.             {

  1347.                 if (LV2_IS_PORT_INPUT(portType))

  1348.                 {

  1349.                     j = evIn.count++;

  1350.                     descriptor->connect_port(handle, i, evIn.data[j].midi);

  1351.                     if (h2) descriptor->connect_port(h2, i, evIn.data[j].midi);

  1352. 

  1353.                     evIn.data[j].type |= CARLA_EVENT_TYPE_MIDI;

  1354.                     evIn.data[j].port  = (CarlaEngineMidiPort*)x_client->addPort(CarlaEnginePortTypeMIDI, portName, true);

  1355.                 }

  1356.                 else if (LV2_IS_PORT_OUTPUT(portType))

  1357.                 {

  1358.                     j = evOut.count++;

  1359.                     descriptor->connect_port(handle, i, evOut.data[j].midi);

  1360.                     if (h2) descriptor->connect_port(h2, i, evOut.data[j].midi);

  1361. 

  1362.                     evOut.data[j].type |= CARLA_EVENT_TYPE_MIDI;

  1363.                     evOut.data[j].port  = (CarlaEngineMidiPort*)x_client->addPort(CarlaEnginePortTypeMIDI, portName, false);

  1364.                 }

  1365.                 else

  1366.                     qWarning("WARNING - Got a broken Port (Midi, but not input or output)");

  1367.             }

  1368.             else if (LV2_IS_PORT_CONTROL(portType))

  1369.             {

  1370.                 const LV2_Property portProps = rdf_descriptor->Ports[i].Properties;

  1371.                 const LV2_Property portDesignation = rdf_descriptor->Ports[i].Designation;

  1372.                 const LV2_RDF_PortPoints portPoints = rdf_descriptor->Ports[i].Points;

  1373. 

  1374.                 j = param.count++;

  1375.                 param.data[j].index  = j;

  1376.                 param.data[j].rindex = i;

  1377.                 param.data[j].hints  = 0;

  1378.                 param.data[j].midiChannel = 0;

  1379.                 param.data[j].midiCC = -1;

  1380. 

  1381.                 double min, max, def, step, stepSmall, stepLarge;

  1382. 

  1383.                 // min value

  1384.                 if (LV2_HAVE_MINIMUM_PORT_POINT(portPoints.Hints))

  1385.                     min = portPoints.Minimum;

  1386.                 else

  1387.                     min = 0.0;

  1388. 

  1389.                 // max value

  1390.                 if (LV2_HAVE_MAXIMUM_PORT_POINT(portPoints.Hints))

  1391.                     max = portPoints.Maximum;

  1392.                 else

  1393.                     max = 1.0;

  1394. 

  1395.                 if (min > max)

  1396.                     max = min;

  1397.                 else if (max < min)

  1398.                     min = max;

  1399. 

  1400.                 // stupid hack for ir.lv2 (broken plugin)

  1401.                 if (strcmp(rdf_descriptor->URI, "http://factorial.hu/plugins/lv2/ir") == 0 && strncmp(rdf_descriptor->Ports[i].Name, "FileHash", 8) == 0)

  1402.                 {

  1403.                     min = 0.0;

  1404.                     max = 16777215.0; // 0xffffff

  1405.                 }

  1406. 

  1407.                 if (max - min == 0.0)

  1408.                 {

  1409.                     qWarning("Broken plugin parameter: max - min == 0");

  1410.                     max = min + 0.1;

  1411.                 }

  1412. 

  1413.                 // default value

  1414.                 if (LV2_HAVE_DEFAULT_PORT_POINT(portPoints.Hints))

  1415.                 {

  1416.                     def = portPoints.Default;

  1417.                 }

  1418.                 else

  1419.                 {

  1420.                     // no default value

  1421.                     if (min < 0.0 && max > 0.0)

  1422.                         def = 0.0;

  1423.                     else

  1424.                         def = min;

  1425.                 }

  1426. 

  1427.                 if (def < min)

  1428.                     def = min;

  1429.                 else if (def > max)

  1430.                     def = max;

  1431. 

  1432.                 if (LV2_IS_PORT_SAMPLE_RATE(portProps))

  1433.                 {

  1434.                     min *= sampleRate;

  1435.                     max *= sampleRate;

  1436.                     def *= sampleRate;

  1437.                     param.data[j].hints |= PARAMETER_USES_SAMPLERATE;

  1438.                 }

  1439. 

  1440.                 if (LV2_IS_PORT_TOGGLED(portProps))

  1441.                 {

  1442.                     step = max - min;

  1443.                     stepSmall = step;

  1444.                     stepLarge = step;

  1445.                     param.data[j].hints |= PARAMETER_IS_BOOLEAN;

  1446.                 }

  1447.                 else if (LV2_IS_PORT_INTEGER(portProps))

  1448.                 {

  1449.                     step = 1.0;

  1450.                     stepSmall = 1.0;

  1451.                     stepLarge = 10.0;

  1452.                     param.data[j].hints |= PARAMETER_IS_INTEGER;

  1453.                 }

  1454.                 else

  1455.                 {

  1456.                     double range = max - min;

  1457.                     step = range/100.0;

  1458.                     stepSmall = range/1000.0;

  1459.                     stepLarge = range/10.0;

  1460.                 }

  1461. 

  1462.                 if (LV2_IS_PORT_INPUT(portType))

  1463.                 {

  1464.                     if (LV2_IS_PORT_DESIGNATION_LATENCY(portDesignation))

  1465.                     {

  1466.                         qWarning("Plugin has latency input port, this should not happen!");

  1467.                     }

  1468.                     else if (LV2_IS_PORT_DESIGNATION_SAMPLE_RATE(portDesignation))

  1469.                     {

  1470.                         def = sampleRate;

  1471.                         step = 1.0;

  1472.                         stepSmall = 1.0;

  1473.                         stepLarge = 1.0;

  1474. 

  1475.                         param.data[j].type  = PARAMETER_SAMPLE_RATE;

  1476.                         param.data[j].hints = 0;

  1477.                     }

  1478.                     else if (LV2_IS_PORT_DESIGNATION_FREEWHEELING(portDesignation))

  1479.                     {

  1480.                         param.data[j].type = PARAMETER_LV2_FREEWHEEL;

  1481.                     }

  1482.                     else if (LV2_IS_PORT_DESIGNATION_TIME(portDesignation))

  1483.                     {

  1484.                         param.data[j].type = PARAMETER_LV2_TIME;

  1485.                     }

  1486.                     else

  1487.                     {

  1488.                         param.data[j].type = PARAMETER_INPUT;

  1489.                         param.data[j].hints |= PARAMETER_IS_ENABLED;

  1490.                         param.data[j].hints |= PARAMETER_IS_AUTOMABLE;

  1491.                         needsCtrlIn = true;

  1492.                     }

  1493. 

  1494.                     // MIDI CC value

  1495.                     const LV2_RDF_PortMidiMap* const portMidiMap = &rdf_descriptor->Ports[i].MidiMap;

  1496.                     if (LV2_IS_PORT_MIDI_MAP_CC(portMidiMap->Type))

  1497.                     {

  1498.                         if (! MIDI_IS_CONTROL_BANK_SELECT(portMidiMap->Number))

  1499.                             param.data[j].midiCC = portMidiMap->Number;

  1500.                     }

  1501.                 }

  1502.                 else if (LV2_IS_PORT_OUTPUT(portType))

  1503.                 {

  1504.                     if (LV2_IS_PORT_DESIGNATION_LATENCY(portDesignation))

  1505.                     {

  1506.                         min = 0.0;

  1507.                         max = sampleRate;

  1508.                         def = 0.0;

  1509.                         step = 1.0;

  1510.                         stepSmall = 1.0;

  1511.                         stepLarge = 1.0;

  1512. 

  1513.                         param.data[j].type  = PARAMETER_LATENCY;

  1514.                         param.data[j].hints = 0;

  1515.                     }

  1516.                     else if (LV2_IS_PORT_DESIGNATION_SAMPLE_RATE(portDesignation))

  1517.                     {

  1518.                         def = sampleRate;

  1519.                         step = 1.0;

  1520.                         stepSmall = 1.0;

  1521.                         stepLarge = 1.0;

  1522. 

  1523.                         param.data[j].type  = PARAMETER_SAMPLE_RATE;

  1524.                         param.data[j].hints = 0;

  1525.                     }

  1526.                     else if (LV2_IS_PORT_DESIGNATION_FREEWHEELING(portDesignation))

  1527.                     {

  1528.                         qWarning("Plugin has freewheeling output port, this should not happen!");

  1529.                     }

  1530.                     else if (LV2_IS_PORT_DESIGNATION_TIME(portDesignation))

  1531.                     {

  1532.                         param.data[j].type = PARAMETER_LV2_TIME;

  1533.                     }

  1534.                     else

  1535.                     {

  1536.                         param.data[j].type   = PARAMETER_OUTPUT;

  1537.                         param.data[j].hints |= PARAMETER_IS_ENABLED;

  1538.                         param.data[j].hints |= PARAMETER_IS_AUTOMABLE;

  1539.                         needsCtrlOut = true;

  1540.                     }

  1541.                 }

  1542.                 else

  1543.                 {

  1544.                     param.data[j].type = PARAMETER_UNKNOWN;

  1545.                     qWarning("WARNING - Got a broken Port (Control, but not input or output)");

  1546.                 }

  1547. 

  1548.                 // extra parameter hints

  1549.                 if (LV2_IS_PORT_ENUMERATION(portProps))

  1550.                     param.data[j].hints |= PARAMETER_USES_SCALEPOINTS;

  1551. 

  1552.                 if (LV2_IS_PORT_LOGARITHMIC(portProps))

  1553.                     param.data[j].hints |= PARAMETER_IS_LOGARITHMIC;

  1554. 

  1555.                 if (LV2_IS_PORT_TRIGGER(portProps))

  1556.                     param.data[j].hints |= PARAMETER_IS_TRIGGER;

  1557. 

  1558.                 if (LV2_IS_PORT_STRICT_BOUNDS(portProps))

  1559.                     param.data[j].hints |= PARAMETER_IS_STRICT_BOUNDS;

  1560. 

  1561.                 // check if parameter is not enabled or automable

  1562.                 if (LV2_IS_PORT_NOT_ON_GUI(portProps))

  1563.                     param.data[j].hints &= ~PARAMETER_IS_ENABLED;

  1564. 

  1565.                 if (LV2_IS_PORT_CAUSES_ARTIFACTS(portProps) || LV2_IS_PORT_EXPENSIVE(portProps) || LV2_IS_PORT_NOT_AUTOMATIC(portProps))

  1566.                     param.data[j].hints &= ~PARAMETER_IS_AUTOMABLE;

  1567. 

  1568.                 param.ranges[j].min = min;

  1569.                 param.ranges[j].max = max;

  1570.                 param.ranges[j].def = def;

  1571.                 param.ranges[j].step = step;

  1572.                 param.ranges[j].stepSmall = stepSmall;

  1573.                 param.ranges[j].stepLarge = stepLarge;

  1574. 

  1575.                 // Start parameters in their default values

  1576.                 paramBuffers[j] = def;

  1577. 

  1578.                 descriptor->connect_port(handle, i, &paramBuffers[j]);

  1579.                 if (h2) descriptor->connect_port(h2, i, &paramBuffers[j]);

  1580.             }

  1581.             else

  1582.             {

  1583.                 // Port Type not supported, but it's optional anyway

  1584.                 descriptor->connect_port(handle, i, nullptr);

  1585.                 if (h2) descriptor->connect_port(h2, i, nullptr);

  1586.             }

  1587.         }

  1588. 

  1589.         if (needsCtrlIn)

  1590.         {

  1591. #ifndef BUILD_BRIDGE

  1592.             if (carlaOptions.processMode != PROCESS_MODE_MULTIPLE_CLIENTS)

  1593.             {

  1594.                 strcpy(portName, m_name);

  1595.                 strcat(portName, ":control-in");

  1596.             }

  1597.             else

  1598. #endif

  1599.                 strcpy(portName, "control-in");

  1600. 

  1601.             param.portCin = (CarlaEngineControlPort*)x_client->addPort(CarlaEnginePortTypeControl, portName, true);

  1602.         }

  1603. 

  1604.         if (needsCtrlOut)

  1605.         {

  1606. #ifndef BUILD_BRIDGE

  1607.             if (carlaOptions.processMode != PROCESS_MODE_MULTIPLE_CLIENTS)

  1608.             {

  1609.                 strcpy(portName, m_name);

  1610.                 strcat(portName, ":control-out");

  1611.             }

  1612.             else

  1613. #endif

  1614.                 strcpy(portName, "control-out");

  1615. 

  1616.             param.portCout = (CarlaEngineControlPort*)x_client->addPort(CarlaEnginePortTypeControl, portName, false);

  1617.         }

  1618. 

  1619.         aIn.count   = aIns;

  1620.         aOut.count  = aOuts;

  1621.         evIn.count  = evIns.size();

  1622.         evOut.count = evOuts.size();

  1623.         param.count = params;

  1624. 

  1625.         // plugin checks

  1626.         m_hints &= ~(PLUGIN_IS_SYNTH | PLUGIN_USES_CHUNKS | PLUGIN_CAN_DRYWET | PLUGIN_CAN_VOLUME | PLUGIN_CAN_BALANCE);

  1627. 

  1628.         if (LV2_IS_GENERATOR(rdf_descriptor->Type))

  1629.             m_hints |= PLUGIN_IS_SYNTH;

  1630. 

  1631.         if (aOuts > 0 && (aIns == aOuts || aIns == 1))

  1632.             m_hints |= PLUGIN_CAN_DRYWET;

  1633. 

  1634.         if (aOuts > 0)

  1635.             m_hints |= PLUGIN_CAN_VOLUME;

  1636. 

  1637.         if (aOuts >= 2 && aOuts%2 == 0)

  1638.             m_hints |= PLUGIN_CAN_BALANCE;

  1639. 

  1640.         // check extensions

  1641.         ext.state      = nullptr;

  1642.         ext.worker     = nullptr;

  1643.         ext.programs   = nullptr;

  1644. 

  1645.         if (descriptor->extension_data)

  1646.         {

  1647.             if (m_hints & PLUGIN_HAS_EXTENSION_PROGRAMS)

  1648.                 ext.programs = (const LV2_Programs_Interface*)descriptor->extension_data(LV2_PROGRAMS__Interface);

  1649. 

  1650.             if (m_hints & PLUGIN_HAS_EXTENSION_STATE)

  1651.                 ext.state = (const LV2_State_Interface*)descriptor->extension_data(LV2_STATE__interface);

  1652. 

  1653.             if (m_hints & PLUGIN_HAS_EXTENSION_WORKER)

  1654.                 ext.worker = (const LV2_Worker_Interface*)descriptor->extension_data(LV2_WORKER__interface);

  1655.         }

  1656. 

  1657.         reloadPrograms(true);

  1658. 

  1659.         x_client->activate();

  1660. 

  1661.         qDebug("Lv2Plugin::reload() - end");

  1662.     }

  1663. 

  1664.     void reloadPrograms(const bool init)

  1665.     {

  1666.         qDebug("Lv2Plugin::reloadPrograms(%s)", bool2str(init));

  1667.         uint32_t i, oldCount = midiprog.count;

  1668. 

  1669.         // Delete old programs

  1670.         if (midiprog.count > 0)

  1671.         {

  1672.             for (i=0; i < midiprog.count; i++)

  1673.             {

  1674.                 if (midiprog.data[i].name)

  1675.                     free((void*)midiprog.data[i].name);

  1676.             }

  1677. 

  1678.             delete[] midiprog.data;

  1679.         }

  1680. 

  1681.         midiprog.count = 0;

  1682.         midiprog.data  = nullptr;

  1683. 

  1684.         // Query new programs

  1685.         if (ext.programs && ext.programs->get_program && ext.programs->select_program)

  1686.         {

  1687.             while (ext.programs->get_program(handle, midiprog.count))

  1688.                 midiprog.count += 1;

  1689.         }

  1690. 

  1691.         if (midiprog.count > 0)

  1692.             midiprog.data = new midi_program_t[midiprog.count];

  1693. 

  1694.         // Update data

  1695.         for (i=0; i < midiprog.count; i++)

  1696.         {

  1697.             const LV2_Program_Descriptor* const pdesc = ext.programs->get_program(handle, i);

  1698.             Q_ASSERT(pdesc);

  1699.             Q_ASSERT(pdesc->program < 128);

  1700.             Q_ASSERT(pdesc->name);

  1701. 

  1702.             midiprog.data[i].bank    = pdesc->bank;

  1703.             midiprog.data[i].program = pdesc->program;

  1704.             midiprog.data[i].name    = strdup(pdesc->name);

  1705.         }

  1706. 

  1707. #ifndef BUILD_BRIDGE

  1708.         // Update OSC Names

  1709.         if (x_engine->isOscControllerRegisted())

  1710.         {

  1711.             x_engine->osc_send_control_set_midi_program_count(m_id, midiprog.count);

  1712. 

  1713.             for (i=0; i < midiprog.count; i++)

  1714.                 x_engine->osc_send_control_set_midi_program_data(m_id, i, midiprog.data[i].bank, midiprog.data[i].program, midiprog.data[i].name);

  1715.         }

  1716. #endif

  1717. 

  1718.         if (init)

  1719.         {

  1720.             if (midiprog.count > 0)

  1721.                 setMidiProgram(0, false, false, false, true);

  1722.         }

  1723.         else

  1724.         {

  1725.             x_engine->callback(CALLBACK_RELOAD_PROGRAMS, m_id, 0, 0, 0.0);

  1726. 

  1727.             // Check if current program is invalid

  1728.             bool programChanged = false;

  1729. 

  1730.             if (midiprog.count == oldCount+1)

  1731.             {

  1732.                 // one midi program added, probably created by user

  1733.                 midiprog.current = oldCount;

  1734.                 programChanged   = true;

  1735.             }

  1736.             else if (midiprog.current >= (int32_t)midiprog.count)

  1737.             {

  1738.                 // current midi program > count

  1739.                 midiprog.current = 0;

  1740.                 programChanged   = true;

  1741.             }

  1742.             else if (midiprog.current < 0 && midiprog.count > 0)

  1743.             {

  1744.                 // programs exist now, but not before

  1745.                 midiprog.current = 0;

  1746.                 programChanged   = true;

  1747.             }

  1748.             else if (midiprog.current >= 0 && midiprog.count == 0)

  1749.             {

  1750.                 // programs existed before, but not anymore

  1751.                 midiprog.current = -1;

  1752.                 programChanged   = true;

  1753.             }

  1754. 

  1755.             if (programChanged)

  1756.                 setMidiProgram(midiprog.current, true, true, true, true);

  1757.         }

  1758.     }

  1759. 

  1760.     void prepareForSave()

  1761.     {

  1762.         if (ext.state && ext.state->save)

  1763.         {

  1764.             ext.state->save(handle, carla_lv2_state_store, this, LV2_STATE_IS_POD, features);

  1765.             if (h2) ext.state->save(h2, carla_lv2_state_store, this, LV2_STATE_IS_POD, features);

  1766.         }

  1767.     }

  1768. 

  1769.     // -------------------------------------------------------------------

  1770.     // Plugin processing

  1771. 

  1772.     void process(float** const inBuffer, float** const outBuffer, const uint32_t frames, const uint32_t framesOffset)

  1773.     {

  1774.         uint32_t i, k;

  1775.         uint32_t midiEventCount = 0;

  1776. 

  1777.         double aInsPeak[2]  = { 0.0 };

  1778.         double aOutsPeak[2] = { 0.0 };

  1779. 

  1780.         // handle midi from different APIs

  1781.         uint32_t evInAtomOffsets[evIn.count];

  1782.         LV2_Event_Iterator evInEventIters[evIn.count];

  1783.         LV2_MIDIState evInMidiStates[evIn.count];

  1784. 

  1785.         for (i=0; i < evIn.count; i++)

  1786.         {

  1787.             if (evIn.data[i].type & CARLA_EVENT_DATA_ATOM)

  1788.             {

  1789.                 evInAtomOffsets[i] = 0;

  1790.                 evIn.data[i].atom->atom.size = 0;

  1791.                 evIn.data[i].atom->atom.type = CARLA_URI_MAP_ID_ATOM_SEQUENCE;

  1792.                 evIn.data[i].atom->body.unit = CARLA_URI_MAP_ID_NULL;

  1793.                 evIn.data[i].atom->body.pad  = 0;

  1794.             }

  1795.             else if (evIn.data[i].type & CARLA_EVENT_DATA_EVENT)

  1796.             {

  1797.                 lv2_event_buffer_reset(evIn.data[i].event, LV2_EVENT_AUDIO_STAMP, (uint8_t*)(evIn.data[i].event + 1));

  1798.                 lv2_event_begin(&evInEventIters[i], evIn.data[i].event);

  1799.             }

  1800.             else if (evIn.data[i].type & CARLA_EVENT_DATA_MIDI_LL)

  1801.             {

  1802.                 evInMidiStates[i].midi = evIn.data[i].midi;

  1803.                 evInMidiStates[i].frame_count = frames;

  1804.                 evInMidiStates[i].position = 0;

  1805.                 evInMidiStates[i].midi->event_count = 0;

  1806.                 evInMidiStates[i].midi->size = 0;

  1807.             }

  1808.         }

  1809. 

  1810.         for (i=0; i < evOut.count; i++)

  1811.         {

  1812.             if (evOut.data[i].type & CARLA_EVENT_DATA_ATOM)

  1813.             {

  1814.                 evOut.data[i].atom->atom.size = 0;

  1815.                 evOut.data[i].atom->atom.type = CARLA_URI_MAP_ID_ATOM_SEQUENCE;

  1816.                 evOut.data[i].atom->body.unit = CARLA_URI_MAP_ID_NULL;

  1817.                 evOut.data[i].atom->body.pad  = 0;

  1818.             }

  1819.             else if (evOut.data[i].type & CARLA_EVENT_DATA_EVENT)

  1820.             {

  1821.                 lv2_event_buffer_reset(evOut.data[i].event, LV2_EVENT_AUDIO_STAMP, (uint8_t*)(evOut.data[i].event + 1));

  1822.             }

  1823.             else if (evOut.data[i].type & CARLA_EVENT_DATA_MIDI_LL)

  1824.             {

  1825.                 // not needed

  1826.             }

  1827.         }

  1828. 

  1829.         CARLA_PROCESS_CONTINUE_CHECK;

  1830. 

  1831.         // --------------------------------------------------------------------------------------------------------

  1832.         // Input VU

  1833. 

  1834.         if (aIn.count > 0)

  1835.         {

  1836.             if (aIn.count == 1)

  1837.             {

  1838.                 for (k=0; k < frames; k++)

  1839.                 {

  1840.                     if (abs(inBuffer[0][k]) > aInsPeak[0])

  1841.                         aInsPeak[0] = abs(inBuffer[0][k]);

  1842.                 }

  1843.             }

  1844.             else if (aIn.count > 1)

  1845.             {

  1846.                 for (k=0; k < frames; k++)

  1847.                 {

  1848.                     if (abs(inBuffer[0][k]) > aInsPeak[0])

  1849.                         aInsPeak[0] = abs(inBuffer[0][k]);

  1850. 

  1851.                     if (abs(inBuffer[1][k]) > aInsPeak[1])

  1852.                         aInsPeak[1] = abs(inBuffer[1][k]);

  1853.                 }

  1854.             }

  1855.         }

  1856. 

  1857.         CARLA_PROCESS_CONTINUE_CHECK;

  1858. 

  1859.         // --------------------------------------------------------------------------------------------------------

  1860.         // Parameters Input [Automation]

  1861. 

  1862.         if (param.portCin && m_active && m_activeBefore)

  1863.         {

  1864.             bool allNotesOffSent = false;

  1865. 

  1866.             const CarlaEngineControlEvent* cinEvent;

  1867.             uint32_t time, nEvents = param.portCin->getEventCount();

  1868. 

  1869.             uint32_t nextBankId = 0;

  1870.             if (midiprog.current >= 0 && midiprog.count > 0)

  1871.                 nextBankId = midiprog.data[midiprog.current].bank;

  1872. 

  1873.             for (i=0; i < nEvents; i++)

  1874.             {

  1875.                 cinEvent = param.portCin->getEvent(i);

  1876. 

  1877.                 if (! cinEvent)

  1878.                     continue;

  1879. 

  1880.                 time = cinEvent->time - framesOffset;

  1881. 

  1882.                 if (time >= frames)

  1883.                     continue;

  1884. 

  1885.                 // Control change

  1886.                 switch (cinEvent->type)

  1887.                 {

  1888.                 case CarlaEngineEventNull:

  1889.                     break;

  1890. 

  1891.                 case CarlaEngineEventControlChange:

  1892.                 {

  1893.                     double value;

  1894. 

  1895.                     // Control backend stuff

  1896.                     if (cinEvent->channel == m_ctrlInChannel)

  1897.                     {

  1898.                         if (MIDI_IS_CONTROL_BREATH_CONTROLLER(cinEvent->controller) && (m_hints & PLUGIN_CAN_DRYWET) > 0)

  1899.                         {

  1900.                             value = cinEvent->value;

  1901.                             setDryWet(value, false, false);

  1902.                             postponeEvent(PluginPostEventParameterChange, PARAMETER_DRYWET, 0, value);

  1903.                             continue;

  1904.                         }

  1905. 

  1906.                         if (MIDI_IS_CONTROL_CHANNEL_VOLUME(cinEvent->controller) && (m_hints & PLUGIN_CAN_VOLUME) > 0)

  1907.                         {

  1908.                             value = cinEvent->value*127/100;

  1909.                             setVolume(value, false, false);

  1910.                             postponeEvent(PluginPostEventParameterChange, PARAMETER_VOLUME, 0, value);

  1911.                             continue;

  1912.                         }

  1913. 

  1914.                         if (MIDI_IS_CONTROL_BALANCE(cinEvent->controller) && (m_hints & PLUGIN_CAN_BALANCE) > 0)

  1915.                         {

  1916.                             double left, right;

  1917.                             value = cinEvent->value/0.5 - 1.0;

  1918. 

  1919.                             if (value < 0.0)

  1920.                             {

  1921.                                 left  = -1.0;

  1922.                                 right = (value*2)+1.0;

  1923.                             }

  1924.                             else if (value > 0.0)

  1925.                             {

  1926.                                 left  = (value*2)-1.0;

  1927.                                 right = 1.0;

  1928.                             }

  1929.                             else

  1930.                             {

  1931.                                 left  = -1.0;

  1932.                                 right = 1.0;

  1933.                             }

  1934. 

  1935.                             setBalanceLeft(left, false, false);

  1936.                             setBalanceRight(right, false, false);

  1937.                             postponeEvent(PluginPostEventParameterChange, PARAMETER_BALANCE_LEFT, 0, left);

  1938.                             postponeEvent(PluginPostEventParameterChange, PARAMETER_BALANCE_RIGHT, 0, right);

  1939.                             continue;

  1940.                         }

  1941.                     }

  1942. 

  1943.                     // Control plugin parameters

  1944.                     for (k=0; k < param.count; k++)

  1945.                     {

  1946.                         if (param.data[k].midiChannel != cinEvent->channel)

  1947.                             continue;

  1948.                         if (param.data[k].midiCC != cinEvent->controller)

  1949.                             continue;

  1950.                         if (param.data[k].type != PARAMETER_INPUT)

  1951.                             continue;

  1952. 

  1953.                         if (param.data[k].hints & PARAMETER_IS_AUTOMABLE)

  1954.                         {

  1955.                             if (param.data[k].hints & PARAMETER_IS_BOOLEAN)

  1956.                             {

  1957.                                 value = cinEvent->value < 0.5 ? param.ranges[k].min : param.ranges[k].max;

  1958.                             }

  1959.                             else

  1960.                             {

  1961.                                 value = cinEvent->value * (param.ranges[k].max - param.ranges[k].min) + param.ranges[k].min;

  1962. 

  1963.                                 if (param.data[k].hints & PARAMETER_IS_INTEGER)

  1964.                                     value = rint(value);

  1965.                             }

  1966. 

  1967.                             setParameterValue(k, value, false, false, false);

  1968.                             postponeEvent(PluginPostEventParameterChange, k, 0, value);

  1969.                         }

  1970.                     }

  1971. 

  1972.                     break;

  1973.                 }

  1974. 

  1975.                 case CarlaEngineEventMidiBankChange:

  1976.                     if (cinEvent->channel == m_ctrlInChannel)

  1977.                         nextBankId = rint(cinEvent->value);

  1978.                     break;

  1979. 

  1980.                 case CarlaEngineEventMidiProgramChange:

  1981.                     if (cinEvent->channel == m_ctrlInChannel)

  1982.                     {

  1983.                         uint32_t nextProgramId = rint(cinEvent->value);

  1984. 

  1985.                         for (k=0; k < midiprog.count; k++)

  1986.                         {

  1987.                             if (midiprog.data[k].bank == nextBankId && midiprog.data[k].program == nextProgramId)

  1988.                             {

  1989.                                 setMidiProgram(k, false, false, false, false);

  1990.                                 postponeEvent(PluginPostEventMidiProgramChange, k, 0, 0.0);

  1991.                                 break;

  1992.                             }

  1993.                         }

  1994.                     }

  1995.                     break;

  1996. 

  1997.                 case CarlaEngineEventAllSoundOff:

  1998.                     if (cinEvent->channel == m_ctrlInChannel)

  1999.                     {

  2000.                         if (midi.portMin && ! allNotesOffSent)

  2001.                             sendMidiAllNotesOff();

  2002. 

  2003.                         if (descriptor->deactivate)

  2004.                         {

  2005.                             descriptor->deactivate(handle);

  2006.                             if (h2) descriptor->deactivate(h2);

  2007.                         }

  2008. 

  2009.                         if (descriptor->activate)

  2010.                         {

  2011.                             descriptor->activate(handle);

  2012.                             if (h2) descriptor->activate(h2);

  2013.                         }

  2014. 

  2015.                         allNotesOffSent = true;

  2016.                     }

  2017.                     break;

  2018. 

  2019.                 case CarlaEngineEventAllNotesOff:

  2020.                     if (cinEvent->channel == m_ctrlInChannel)

  2021.                     {

  2022.                         if (midi.portMin && ! allNotesOffSent)

  2023.                             sendMidiAllNotesOff();

  2024. 

  2025.                         allNotesOffSent = true;

  2026.                     }

  2027.                     break;

  2028.                 }

  2029.             }

  2030.         } // End of Parameters Input

  2031. 

  2032.         CARLA_PROCESS_CONTINUE_CHECK;

  2033. 

  2034.         // --------------------------------------------------------------------------------------------------------

  2035.         // MIDI Input

  2036. 

  2037.         if (evIn.count > 0 && m_active && m_activeBefore)

  2038.         {

  2039.             // ----------------------------------------------------------------------------------------------------

  2040.             // MIDI Input (External)

  2041. 

  2042.             {

  2043.                 engineMidiLock();

  2044. 

  2045.                 for (i=0; i < MAX_MIDI_EVENTS && midiEventCount < MAX_MIDI_EVENTS; i++)

  2046.                 {

  2047.                     if (extMidiNotes[i].channel < 0)

  2048.                         break;

  2049. 

  2050.                     uint8_t midiEvent[3] = { 0 };

  2051.                     midiEvent[0] = m_ctrlInChannel + extMidiNotes[i].velo ? MIDI_STATUS_NOTE_ON : MIDI_STATUS_NOTE_OFF;

  2052.                     midiEvent[1] = extMidiNotes[i].note;

  2053.                     midiEvent[2] = extMidiNotes[i].velo;

  2054. 

  2055.                     // send to all midi inputs

  2056.                     for (k=0; k < evIn.count; k++)

  2057.                     {

  2058.                         if (evIn.data[k].type & CARLA_EVENT_TYPE_MIDI)

  2059.                         {

  2060.                             if (evIn.data[k].type & CARLA_EVENT_DATA_ATOM)

  2061.                             {

  2062.                                 LV2_Atom_Event* const aev = (LV2_Atom_Event*)((char*)LV2_ATOM_CONTENTS(LV2_Atom_Sequence, evIn.data[k].atom) + evInAtomOffsets[k]);

  2063.                                 aev->time.frames = 0;

  2064.                                 aev->body.type   = CARLA_URI_MAP_ID_MIDI_EVENT;

  2065.                                 aev->body.size   = 3;

  2066.                                 memcpy(LV2_ATOM_BODY(&aev->body), midiEvent, 3);

  2067. 

  2068.                                 const uint32_t padSize = lv2_atom_pad_size(sizeof(LV2_Atom_Event) + 3);

  2069.                                 evInAtomOffsets[k]           += padSize;

  2070.                                 evIn.data[k].atom->atom.size += padSize;

  2071.                             }

  2072.                             else if (evIn.data[k].type & CARLA_EVENT_DATA_EVENT)

  2073.                             {

  2074.                                 lv2_event_write(&evInEventIters[k], 0, 0, CARLA_URI_MAP_ID_MIDI_EVENT, 3, midiEvent);

  2075.                             }

  2076.                             else if (evIn.data[k].type & CARLA_EVENT_DATA_MIDI_LL)

  2077.                             {

  2078.                                 lv2midi_put_event(&evInMidiStates[k], 0, 3, midiEvent);

  2079.                             }

  2080.                         }

  2081.                     }

  2082. 

  2083.                     extMidiNotes[i].channel = -1; // mark as invalid

  2084.                     midiEventCount += 1;

  2085.                 }

  2086. 

  2087.                 engineMidiUnlock();

  2088. 

  2089.             } // End of MIDI Input (External)

  2090. 

  2091.             CARLA_PROCESS_CONTINUE_CHECK;

  2092. 

  2093.             // ----------------------------------------------------------------------------------------------------

  2094.             // MIDI Input (System)

  2095. 

  2096.             {

  2097.                 for (i=0; i < evIn.count; i++)

  2098.                 {

  2099.                     if (! evIn.data[i].port)

  2100.                         continue;

  2101. 

  2102.                     const CarlaEngineMidiEvent* minEvent;

  2103.                     uint32_t time, nEvents = evIn.data[i].port->getEventCount();

  2104. 

  2105.                     for (k=0; k < nEvents && midiEventCount < MAX_MIDI_EVENTS; k++)

  2106.                     {

  2107.                         minEvent = evIn.data[i].port->getEvent(k);

  2108. 

  2109.                         if (! minEvent)

  2110.                             continue;

  2111. 

  2112.                         time = minEvent->time - framesOffset;

  2113. 

  2114.                         if (time >= frames)

  2115.                             continue;

  2116. 

  2117.                         uint8_t status  = minEvent->data[0];

  2118.                         uint8_t channel = status & 0x0F;

  2119. 

  2120.                         // Fix bad note-off

  2121.                         if (MIDI_IS_STATUS_NOTE_ON(status) && minEvent->data[2] == 0)

  2122.                             status -= 0x10;

  2123. 

  2124.                         // only write supported status types

  2125.                         if (MIDI_IS_STATUS_NOTE_OFF(status) || MIDI_IS_STATUS_NOTE_ON(status) || MIDI_IS_STATUS_POLYPHONIC_AFTERTOUCH(status) || MIDI_IS_STATUS_AFTERTOUCH(status) || MIDI_IS_STATUS_PITCH_WHEEL_CONTROL(status))

  2126.                         {

  2127.                             if (evIn.data[i].type & CARLA_EVENT_DATA_ATOM)

  2128.                             {

  2129.                                 LV2_Atom_Event* const aev = (LV2_Atom_Event*)((char*)LV2_ATOM_CONTENTS(LV2_Atom_Sequence, evIn.data[i].atom) + evInAtomOffsets[i]);

  2130.                                 aev->time.frames = time;

  2131.                                 aev->body.type   = CARLA_URI_MAP_ID_MIDI_EVENT;

  2132.                                 aev->body.size   = minEvent->size;

  2133.                                 memcpy(LV2_ATOM_BODY(&aev->body), minEvent->data, minEvent->size);

  2134. 

  2135.                                 const uint32_t padSize = lv2_atom_pad_size(sizeof(LV2_Atom_Event) + minEvent->size);

  2136.                                 evInAtomOffsets[i]           += padSize;

  2137.                                 evIn.data[i].atom->atom.size += padSize;

  2138.                             }

  2139.                             else if (evIn.data[i].type & CARLA_EVENT_DATA_EVENT)

  2140.                             {

  2141.                                 lv2_event_write(&evInEventIters[i], time, 0, CARLA_URI_MAP_ID_MIDI_EVENT, minEvent->size, minEvent->data);

  2142.                             }

  2143.                             else if (evIn.data[i].type & CARLA_EVENT_DATA_MIDI_LL)

  2144.                             {

  2145.                                 lv2midi_put_event(&evInMidiStates[i], time, minEvent->size, minEvent->data);

  2146.                             }

  2147. 

  2148.                             if (MIDI_IS_STATUS_NOTE_OFF(status))

  2149.                                 postponeEvent(PluginPostEventNoteOff, channel, minEvent->data[1], 0.0);

  2150.                             else if (MIDI_IS_STATUS_NOTE_ON(status))

  2151.                                 postponeEvent(PluginPostEventNoteOn, channel, minEvent->data[1], minEvent->data[2]);

  2152.                         }

  2153. 

  2154.                         midiEventCount += 1;

  2155.                     }

  2156.                 }

  2157.             } // End of MIDI Input (System)

  2158. 

  2159.         } // End of MIDI Input

  2160. 

  2161.         CARLA_PROCESS_CONTINUE_CHECK;

  2162. 

  2163.         // --------------------------------------------------------------------------------------------------------

  2164.         // Special Parameters

  2165. 

  2166.         {

  2167.             int32_t rindex;

  2168.             const CarlaTimeInfo* const timeInfo = x_engine->getTimeInfo();

  2169. 

  2170.             for (k=0; k < param.count; k++)

  2171.             {

  2172.                 if (param.data[k].type == PARAMETER_LATENCY)

  2173.                 {

  2174.                     // TODO

  2175.                 }

  2176.                 else if (param.data[k].type == PARAMETER_LV2_FREEWHEEL)

  2177.                 {

  2178.                     setParameterValue(k, x_engine->isOffline() ? 1.0 : 0.0, false, false, false);

  2179.                 }

  2180.                 else if (param.data[k].type == PARAMETER_LV2_TIME)

  2181.                 {

  2182.                     rindex = param.data[k].rindex;

  2183.                     Q_ASSERT(rindex >= 0 && rindex < (int32_t)rdf_descriptor->PortCount);

  2184. 

  2185.                     switch (rdf_descriptor->Ports[rindex].Designation)

  2186.                     {

  2187.                     case LV2_PORT_DESIGNATION_TIME_BAR:

  2188.                         if (timeInfo->valid & CarlaEngineTimeBBT)

  2189.                             setParameterValue(k, timeInfo->bbt.bar, false, false, false);

  2190.                         break;

  2191.                     case LV2_PORT_DESIGNATION_TIME_BAR_BEAT:

  2192.                         if (timeInfo->valid & CarlaEngineTimeBBT)

  2193.                             setParameterValue(k, timeInfo->bbt.tick, false, false, false);

  2194.                         break;

  2195.                     case LV2_PORT_DESIGNATION_TIME_BEAT:

  2196.                         if (timeInfo->valid & CarlaEngineTimeBBT)

  2197.                             setParameterValue(k, timeInfo->bbt.beat, false, false, false);

  2198.                         break;

  2199.                     case LV2_PORT_DESIGNATION_TIME_BEAT_UNIT:

  2200.                         if (timeInfo->valid & CarlaEngineTimeBBT)

  2201.                             setParameterValue(k, timeInfo->bbt.beat_type, false, false, false);

  2202.                         break;

  2203.                     case LV2_PORT_DESIGNATION_TIME_BEATS_PER_BAR:

  2204.                         if (timeInfo->valid & CarlaEngineTimeBBT)

  2205.                             setParameterValue(k, timeInfo->bbt.beats_per_bar, false, false, false);

  2206.                         break;

  2207.                     case LV2_PORT_DESIGNATION_TIME_BEATS_PER_MINUTE:

  2208.                         if (timeInfo->valid & CarlaEngineTimeBBT)

  2209.                             setParameterValue(k, timeInfo->bbt.beats_per_minute, false, false, false);

  2210.                         break;

  2211. 

  2212.                     case LV2_PORT_DESIGNATION_TIME_FRAME:

  2213.                         setParameterValue(k, timeInfo->frame, false, false, false);

  2214.                         break;

  2215.                     case LV2_PORT_DESIGNATION_TIME_FRAMES_PER_SECOND:

  2216.                         break;

  2217.                     case LV2_PORT_DESIGNATION_TIME_POSITION:

  2218.                         setParameterValue(k, timeInfo->time, false, false, false);

  2219.                         break;

  2220.                     case LV2_PORT_DESIGNATION_TIME_SPEED:

  2221.                         setParameterValue(k, timeInfo->playing ? 1.0 : 0.0, false, false, false);

  2222.                         break;

  2223.                     }

  2224.                 }

  2225.             }

  2226.         }

  2227. 

  2228.         CARLA_PROCESS_CONTINUE_CHECK;

  2229. 

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

  2231.         // Plugin processing

  2232. 

  2233.         if (m_active)

  2234.         {

  2235.             if (! m_activeBefore)

  2236.             {

  2237.                 if (evIn.count > 0 && m_ctrlInChannel >= 0 && m_ctrlInChannel < 16)

  2238.                 {

  2239.                     uint8_t midiEvent1[2] = { 0 };

  2240.                     midiEvent1[0] = MIDI_STATUS_CONTROL_CHANGE + m_ctrlInChannel;

  2241.                     midiEvent1[1] = MIDI_CONTROL_ALL_SOUND_OFF;

  2242. 

  2243.                     uint8_t midiEvent2[2] = { 0 };

  2244.                     midiEvent2[0] = MIDI_STATUS_CONTROL_CHANGE + m_ctrlInChannel;

  2245.                     midiEvent2[1] = MIDI_CONTROL_ALL_SOUND_OFF;

  2246. 

  2247.                     // send to all midi inputs

  2248.                     for (k=0; k < evIn.count; k++)

  2249.                     {

  2250.                         if (evIn.data[k].type & CARLA_EVENT_TYPE_MIDI)

  2251.                         {

  2252.                             if (evIn.data[k].type & CARLA_EVENT_DATA_ATOM)

  2253.                             {

  2254.                                 // all sound off

  2255.                                 LV2_Atom_Event* const aev1 = (LV2_Atom_Event*)((char*)LV2_ATOM_CONTENTS(LV2_Atom_Sequence, evIn.data[k].atom) + evInAtomOffsets[k]);

  2256.                                 aev1->time.frames = 0;

  2257.                                 aev1->body.type   = CARLA_URI_MAP_ID_MIDI_EVENT;

  2258.                                 aev1->body.size   = 2;

  2259.                                 memcpy(LV2_ATOM_BODY(&aev1->body), midiEvent1, 2);

  2260. 

  2261.                                 const uint32_t padSize = lv2_atom_pad_size(sizeof(LV2_Atom_Event) + 2);

  2262.                                 evInAtomOffsets[k]           += padSize;

  2263.                                 evIn.data[k].atom->atom.size += padSize;

  2264. 

  2265.                                 // all notes off

  2266.                                 LV2_Atom_Event* const aev2 = (LV2_Atom_Event*)((char*)LV2_ATOM_CONTENTS(LV2_Atom_Sequence, evIn.data[k].atom) + evInAtomOffsets[k]);

  2267.                                 aev2->time.frames = 0;

  2268.                                 aev2->body.type   = CARLA_URI_MAP_ID_MIDI_EVENT;

  2269.                                 aev2->body.size   = 2;

  2270.                                 memcpy(LV2_ATOM_BODY(&aev2->body), midiEvent2, 2);

  2271. 

  2272.                                 evInAtomOffsets[k]           += padSize;

  2273.                                 evIn.data[k].atom->atom.size += padSize;

  2274.                             }

  2275.                             else if (evIn.data[k].type & CARLA_EVENT_DATA_EVENT)

  2276.                             {

  2277.                                 lv2_event_write(&evInEventIters[k], 0, 0, CARLA_URI_MAP_ID_MIDI_EVENT, 2, midiEvent1);

  2278.                                 lv2_event_write(&evInEventIters[k], 0, 0, CARLA_URI_MAP_ID_MIDI_EVENT, 2, midiEvent2);

  2279.                             }

  2280.                             else if (evIn.data[k].type & CARLA_EVENT_DATA_MIDI_LL)

  2281.                             {

  2282.                                 lv2midi_put_event(&evInMidiStates[k], 0, 2, midiEvent1);

  2283.                                 lv2midi_put_event(&evInMidiStates[k], 0, 2, midiEvent2);

  2284.                             }

  2285.                         }

  2286.                     }

  2287. 

  2288.                     midiEventCount = 2;

  2289.                 }

  2290. 

  2291.                 if (descriptor->activate)

  2292.                 {

  2293.                     descriptor->activate(handle);

  2294.                     if (h2) descriptor->activate(h2);

  2295.                 }

  2296.             }

  2297. 

  2298.             for (i=0; i < aIn.count; i++)

  2299.             {

  2300.                 if (i == 0 || ! h2) descriptor->connect_port(handle, aIn.rindexes[i], inBuffer[i]);

  2301.                 if (i == 1 && h2) descriptor->connect_port(h2, aIn.rindexes[i], inBuffer[i]);

  2302.             }

  2303. 

  2304.             for (i=0; i < aOut.count; i++)

  2305.             {

  2306.                 if (i == 0 || ! h2) descriptor->connect_port(handle, aOut.rindexes[i], outBuffer[i]);

  2307.                 if (i == 1 && h2)   descriptor->connect_port(h2, aOut.rindexes[i], outBuffer[i]);

  2308.             }

  2309. 

  2310.             descriptor->run(handle, frames);

  2311.             if (h2) descriptor->run(h2, frames);

  2312. 

  2313.             if (ext.worker)

  2314.             {

  2315.                 // TODO

  2316.                 //ext.worker->work_response();

  2317. 

  2318.                 if (ext.worker->end_run)

  2319.                 {

  2320.                     ext.worker->end_run(handle);

  2321.                     if (h2) ext.worker->end_run(h2);

  2322.                 }

  2323.             }

  2324.         }

  2325.         else

  2326.         {

  2327.             if (m_activeBefore)

  2328.             {

  2329.                 if (descriptor->deactivate)

  2330.                 {

  2331.                     descriptor->deactivate(handle);

  2332.                     if (h2) descriptor->deactivate(h2);

  2333.                 }

  2334.             }

  2335.         }

  2336. 

  2337.         CARLA_PROCESS_CONTINUE_CHECK;

  2338. 

  2339.         // --------------------------------------------------------------------------------------------------------

  2340.         // Post-processing (dry/wet, volume and balance)

  2341. 

  2342.         if (m_active)

  2343.         {

  2344.             bool do_drywet  = (m_hints & PLUGIN_CAN_DRYWET) > 0 && x_dryWet != 1.0;

  2345.             bool do_volume  = (m_hints & PLUGIN_CAN_VOLUME) > 0 && x_volume != 1.0;

  2346.             bool do_balance = (m_hints & PLUGIN_CAN_BALANCE) > 0 && (x_balanceLeft != -1.0 || x_balanceRight != 1.0);

  2347. 

  2348.             double bal_rangeL, bal_rangeR;

  2349.             float oldBufLeft[do_balance ? frames : 0];

  2350. 

  2351.             for (i=0; i < aOut.count; i++)

  2352.             {

  2353.                 // Dry/Wet

  2354.                 if (do_drywet)

  2355.                 {

  2356.                     for (k=0; k < frames; k++)

  2357.                     {

  2358.                         if (aOut.count == 1)

  2359.                             outBuffer[i][k] = (outBuffer[i][k]*x_dryWet)+(inBuffer[0][k]*(1.0-x_dryWet));

  2360.                         else

  2361.                             outBuffer[i][k] = (outBuffer[i][k]*x_dryWet)+(inBuffer[i][k]*(1.0-x_dryWet));

  2362.                     }

  2363.                 }

  2364. 

  2365.                 // Balance

  2366.                 if (do_balance)

  2367.                 {

  2368.                     if (i%2 == 0)

  2369.                         memcpy(&oldBufLeft, outBuffer[i], sizeof(float)*frames);

  2370. 

  2371.                     bal_rangeL = (x_balanceLeft+1.0)/2;

  2372.                     bal_rangeR = (x_balanceRight+1.0)/2;

  2373. 

  2374.                     for (k=0; k < frames; k++)

  2375.                     {

  2376.                         if (i%2 == 0)

  2377.                         {

  2378.                             // left output

  2379.                             outBuffer[i][k]  = oldBufLeft[k]*(1.0-bal_rangeL);

  2380.                             outBuffer[i][k] += outBuffer[i+1][k]*(1.0-bal_rangeR);

  2381.                         }

  2382.                         else

  2383.                         {

  2384.                             // right

  2385.                             outBuffer[i][k]  = outBuffer[i][k]*bal_rangeR;

  2386.                             outBuffer[i][k] += oldBufLeft[k]*bal_rangeL;

  2387.                         }

  2388.                     }

  2389.                 }

  2390. 

  2391.                 // Volume

  2392.                 if (do_volume)

  2393.                 {

  2394.                     for (k=0; k < frames; k++)

  2395.                         outBuffer[i][k] *= x_volume;

  2396.                 }

  2397. 

  2398.                 // Output VU

  2399.                 for (k=0; i < 2 && k < frames; k++)

  2400.                 {

  2401.                     if (abs(outBuffer[i][k]) > aOutsPeak[i])

  2402.                         aOutsPeak[i] = abs(outBuffer[i][k]);

  2403.                 }

  2404.             }

  2405.         }

  2406.         else

  2407.         {

  2408.             // disable any output sound if not active

  2409.             for (i=0; i < aOut.count; i++)

  2410.                 memset(outBuffer[i], 0.0f, sizeof(float)*frames);

  2411. 

  2412.             aOutsPeak[0] = 0.0;

  2413.             aOutsPeak[1] = 0.0;

  2414. 

  2415.         } // End of Post-processing

  2416. 

  2417.         CARLA_PROCESS_CONTINUE_CHECK;

  2418. 

  2419.         // --------------------------------------------------------------------------------------------------------

  2420.         // Control Output

  2421. 

  2422.         if (param.portCout && m_active)

  2423.         {

  2424.             double value;

  2425. 

  2426.             for (k=0; k < param.count; k++)

  2427.             {

  2428.                 if (param.data[k].type == PARAMETER_OUTPUT)

  2429.                 {

  2430.                     fixParameterValue(paramBuffers[k], param.ranges[k]);

  2431. 

  2432.                     if (param.data[k].midiCC > 0)

  2433.                     {

  2434.                         value = (paramBuffers[k] - param.ranges[k].min) / (param.ranges[k].max - param.ranges[k].min);

  2435.                         param.portCout->writeEvent(CarlaEngineEventControlChange, framesOffset, param.data[k].midiChannel, param.data[k].midiCC, value);

  2436.                     }

  2437.                 }

  2438.             }

  2439.         } // End of Control Output

  2440. 

  2441.         CARLA_PROCESS_CONTINUE_CHECK;

  2442. 

  2443.         // --------------------------------------------------------------------------------------------------------

  2444.         // MIDI Output

  2445. 

  2446.         if (evOut.count > 0 && m_active)

  2447.         {

  2448.             for (i=0; i < evOut.count; i++)

  2449.             {

  2450.                 if (! evOut.data[i].port)

  2451.                     continue;

  2452. 

  2453.                 if (evOut.data[i].type & CARLA_EVENT_DATA_ATOM)

  2454.                 {

  2455.                     uint32_t size   = evOut.data[i].atom->atom.size - sizeof(LV2_Atom_Sequence_Body);

  2456.                     uint32_t offset = 0;

  2457. 

  2458.                     while (offset < size)

  2459.                     {

  2460.                         const LV2_Atom_Event* const aev = (LV2_Atom_Event*)((char*)LV2_ATOM_CONTENTS(LV2_Atom_Sequence, evOut.data[i].atom) + offset);

  2461. 

  2462.                         if ((! aev) || aev->body.type == CARLA_URI_MAP_ID_NULL)

  2463.                             break;

  2464. 

  2465.                         if (aev->body.type == CARLA_URI_MAP_ID_MIDI_EVENT)

  2466.                         {

  2467.                             const unsigned char* const data = (unsigned char*)LV2_ATOM_BODY(&aev->body);

  2468.                             evOut.data[i].port->writeEvent(aev->time.frames, data, aev->body.size);

  2469.                         }

  2470. 

  2471.                         offset += lv2_atom_pad_size(sizeof(LV2_Atom_Event) + aev->body.size);

  2472.                     }

  2473.                 }

  2474.                 else if (evOut.data[i].type & CARLA_EVENT_DATA_EVENT)

  2475.                 {

  2476.                     const LV2_Event* ev;

  2477.                     LV2_Event_Iterator iter;

  2478. 

  2479.                     uint8_t* data;

  2480.                     lv2_event_begin(&iter, evOut.data[i].event);

  2481. 

  2482.                     for (k=0; k < iter.buf->event_count; k++)

  2483.                     {

  2484.                         ev = lv2_event_get(&iter, &data);

  2485. 

  2486.                         if (ev && ev->type == CARLA_URI_MAP_ID_MIDI_EVENT && data)

  2487.                             evOut.data[i].port->writeEvent(ev->frames, data, ev->size);

  2488. 

  2489.                         lv2_event_increment(&iter);

  2490.                     }

  2491.                 }

  2492.                 else if (evOut.data[i].type & CARLA_EVENT_DATA_MIDI_LL)

  2493.                 {

  2494.                     LV2_MIDIState state = { evOut.data[i].midi, frames, 0 };

  2495. 

  2496.                     uint32_t eventSize;

  2497.                     double   eventTime;

  2498.                     unsigned char* eventData;

  2499. 

  2500.                     while (lv2midi_get_event(&state, &eventTime, &eventSize, &eventData) < frames)

  2501.                     {

  2502.                         evOut.data[i].port->writeEvent(eventTime, eventData, eventSize);

  2503.                         lv2midi_step(&state);

  2504.                     }

  2505.                 }

  2506.             }

  2507.         } // End of MIDI Output

  2508. 

  2509.         CARLA_PROCESS_CONTINUE_CHECK;

  2510. 

  2511.         // --------------------------------------------------------------------------------------------------------

  2512.         // Peak Values

  2513. 

  2514.         x_engine->setInputPeak(m_id, 0, aInsPeak[0]);

  2515.         x_engine->setInputPeak(m_id, 1, aInsPeak[1]);

  2516.         x_engine->setOutputPeak(m_id, 0, aOutsPeak[0]);

  2517.         x_engine->setOutputPeak(m_id, 1, aOutsPeak[1]);

  2518. 

  2519.         m_activeBefore = m_active;

  2520.     }

  2521. 

  2522.     void bufferSizeChanged(const uint32_t newBufferSize)

  2523.     {

  2524.         lv2Options.bufferSize = newBufferSize;

  2525.     }

  2526. 

  2527.     // -------------------------------------------------------------------

  2528.     // Post-poned events

  2529. 

  2530.     void uiParameterChange(const uint32_t index, const double value)

  2531.     {

  2532.         Q_ASSERT(index < param.count);

  2533. 

  2534.         if (index >= param.count)

  2535.             return;

  2536. 

  2537. #ifndef BUILD_BRIDGE

  2538.         if (gui.type == GUI_EXTERNAL_OSC)

  2539.         {

  2540.             if (osc.data.target)

  2541.                 osc_send_control(&osc.data, param.data[index].rindex, value);

  2542.         }

  2543.         else

  2544. #endif

  2545.         {

  2546.             if (ui.handle && ui.descriptor && ui.descriptor->port_event)

  2547.             {

  2548.                 float valueF = value;

  2549.                 ui.descriptor->port_event(ui.handle, param.data[index].rindex, sizeof(float), 0, &valueF);

  2550.             }

  2551.         }

  2552.     }

  2553. 

  2554.     void uiMidiProgramChange(const uint32_t index)

  2555.     {

  2556.         Q_ASSERT(index < midiprog.count);

  2557. 

  2558.         if (index >= midiprog.count)

  2559.             return;

  2560. 

  2561. #ifndef BUILD_BRIDGE

  2562.         if (gui.type == GUI_EXTERNAL_OSC)

  2563.         {

  2564.             if (osc.data.target)

  2565.                 osc_send_midi_program(&osc.data, midiprog.data[index].bank, midiprog.data[index].program);

  2566.         }

  2567.         else

  2568. #endif

  2569.         {

  2570.             if (ext.uiprograms)

  2571.                 ext.uiprograms->select_program(ui.handle, midiprog.data[index].bank, midiprog.data[index].program);

  2572.         }

  2573.     }

  2574. 

  2575.     void uiNoteOn(const uint8_t channel, const uint8_t note, const uint8_t velo)

  2576.     {

  2577.         Q_ASSERT(channel < 16);

  2578.         Q_ASSERT(note < 128);

  2579.         Q_ASSERT(velo > 0 && velo < 128);

  2580. 

  2581. #ifndef BUILD_BRIDGE

  2582.         if (gui.type == GUI_EXTERNAL_OSC)

  2583.         {

  2584.             if (osc.data.target)

  2585.             {

  2586.                 uint8_t midiData[4] = { 0 };

  2587.                 midiData[1] = MIDI_STATUS_NOTE_ON + channel;

  2588.                 midiData[2] = note;

  2589.                 midiData[3] = velo;

  2590.                 osc_send_midi(&osc.data, midiData);

  2591.             }

  2592.         }

  2593.         else

  2594. #endif

  2595.         {

  2596.             uiTransferAtom(); // TODO

  2597.         }

  2598.     }

  2599. 

  2600.     void uiNoteOff(const uint8_t channel, const uint8_t note)

  2601.     {

  2602.         Q_ASSERT(channel < 16);

  2603.         Q_ASSERT(note < 128);

  2604. 

  2605. #ifndef BUILD_BRIDGE

  2606.         if (gui.type == GUI_EXTERNAL_OSC)

  2607.         {

  2608.             if (osc.data.target)

  2609.             {

  2610.                 uint8_t midiData[4] = { 0 };

  2611.                 midiData[1] = MIDI_STATUS_NOTE_OFF + channel;

  2612.                 midiData[2] = note;

  2613.                 osc_send_midi(&osc.data, midiData);

  2614.             }

  2615.         }

  2616.         else

  2617. #endif

  2618.         {

  2619.             uiTransferAtom(); // TODO

  2620.         }

  2621.     }

  2622. 

  2623.     // -------------------------------------------------------------------

  2624.     // Cleanup

  2625. 

  2626.     void removeClientPorts()

  2627.     {

  2628.         qDebug("Lv2Plugin::removeClientPorts() - start");

  2629. 

  2630.         for (uint32_t i=0; i < evIn.count; i++)

  2631.         {

  2632.             if (evIn.data[i].port)

  2633.             {

  2634.                 delete evIn.data[i].port;

  2635.                 evIn.data[i].port = nullptr;

  2636.             }

  2637.         }

  2638. 

  2639.         for (uint32_t i=0; i < evOut.count; i++)

  2640.         {

  2641.             if (evOut.data[i].port)

  2642.             {

  2643.                 delete evOut.data[i].port;

  2644.                 evOut.data[i].port = nullptr;

  2645.             }

  2646.         }

  2647. 

  2648.         CarlaPlugin::removeClientPorts();

  2649. 

  2650.         qDebug("Lv2Plugin::removeClientPorts() - end");

  2651.     }

  2652. 

  2653.     void initBuffers()

  2654.     {

  2655.         uint32_t i;

  2656. 

  2657.         for (i=0; i < evIn.count; i++)

  2658.         {

  2659.             if (evIn.data[i].port)

  2660.                 evIn.data[i].port->initBuffer(x_engine);

  2661.         }

  2662. 

  2663.         for (uint32_t i=0; i < evOut.count; i++)

  2664.         {

  2665.             if (evOut.data[i].port)

  2666.                 evOut.data[i].port->initBuffer(x_engine);

  2667.         }

  2668. 

  2669.         CarlaPlugin::initBuffers();

  2670.     }

  2671. 

  2672.     void deleteBuffers()

  2673.     {

  2674.         qDebug("Lv2Plugin::deleteBuffers() - start");

  2675. 

  2676.         if (evIn.count > 0)

  2677.         {

  2678.             for (uint32_t i=0; i < evIn.count; i++)

  2679.             {

  2680.                 if (evIn.data[i].type & CARLA_EVENT_DATA_ATOM)

  2681.                 {

  2682.                     free(evIn.data[i].atom);

  2683.                 }

  2684.                 else if (evIn.data[i].type & CARLA_EVENT_DATA_EVENT)

  2685.                 {

  2686.                     free(evIn.data[i].event);

  2687.                 }

  2688.                 else if (evIn.data[i].type & CARLA_EVENT_DATA_MIDI_LL)

  2689.                 {

  2690.                     delete[] evIn.data[i].midi->data;

  2691.                     delete evIn.data[i].midi;

  2692.                 }

  2693.             }

  2694. 

  2695.             delete[] evIn.data;

  2696.         }

  2697. 

  2698.         if (evOut.count > 0)

  2699.         {

  2700.             for (uint32_t i=0; i < evOut.count; i++)

  2701.             {

  2702.                 if (evOut.data[i].type & CARLA_EVENT_DATA_ATOM)

  2703.                 {

  2704.                     free(evOut.data[i].atom);

  2705.                 }

  2706.                 else if (evOut.data[i].type & CARLA_EVENT_DATA_EVENT)

  2707.                 {

  2708.                     free(evOut.data[i].event);

  2709.                 }

  2710.                 else if (evOut.data[i].type & CARLA_EVENT_DATA_MIDI_LL)

  2711.                 {

  2712.                     delete[] evOut.data[i].midi->data;

  2713.                     delete evOut.data[i].midi;

  2714.                 }

  2715.             }

  2716. 

  2717.             delete[] evOut.data;

  2718.         }

  2719. 

  2720.         if (param.count > 0)

  2721.             delete[] paramBuffers;

  2722. 

  2723.         evIn.count = 0;

  2724.         evIn.data  = nullptr;

  2725. 

  2726.         evOut.count = 0;

  2727.         evOut.data  = nullptr;

  2728. 

  2729.         paramBuffers = nullptr;

  2730. 

  2731.         qDebug("Lv2Plugin::deleteBuffers() - end");

  2732.     }

  2733. 

  2734.     // -------------------------------------------------------------------

  2735. 

  2736.     uint32_t getCustomURID(const char* const uri)

  2737.     {

  2738.         qDebug("Lv2Plugin::getCustomURID(%s)", uri);

  2739.         Q_ASSERT(uri);

  2740. 

  2741.         if (! uri)

  2742.             return CARLA_URI_MAP_ID_NULL;

  2743. 

  2744.         for (size_t i=0; i < customURIDs.size(); i++)

  2745.         {

  2746.             if (customURIDs[i] && strcmp(customURIDs[i], uri) == 0)

  2747.                 return i;

  2748.         }

  2749. 

  2750.         customURIDs.push_back(strdup(uri));

  2751. 

  2752.         return customURIDs.size()-1;

  2753.     }

  2754. 

  2755.     const char* getCustomURIString(const LV2_URID urid) const

  2756.     {

  2757.         qDebug("Lv2Plugin::getCustomURIString(%i)", urid);

  2758.         Q_ASSERT(urid > CARLA_URI_MAP_ID_NULL);

  2759. 

  2760.         if (urid == CARLA_URI_MAP_ID_NULL)

  2761.             return nullptr;

  2762.         if (urid < customURIDs.size())

  2763.             return customURIDs[urid];

  2764. 

  2765.         return nullptr;

  2766.     }

  2767. 

  2768.     // -------------------------------------------------------------------

  2769. 

  2770.     void handleTransferAtom(const LV2_Atom* const atom, const char* const stype)

  2771.     {

  2772.         qDebug("Lv2Plugin::handleAtomTransfer(%p, \"%s\")", atom, stype);

  2773.         Q_ASSERT(atom);

  2774.         Q_ASSERT(stype);

  2775. 

  2776.         // TODO

  2777.     }

  2778. 

  2779.     void handleTransferEvent(const LV2_Atom* const atom, const char* const stype)

  2780.     {

  2781.         qDebug("Lv2Plugin::handleEventTransfer(%p, \"%s\")", atom, stype);

  2782.         Q_ASSERT(atom);

  2783.         Q_ASSERT(stype);

  2784. 

  2785.         const LV2_URID uridAtomBlank = getCustomURID(LV2_ATOM__Blank);

  2786.         const LV2_URID uridPatchBody = getCustomURID(LV2_PATCH__body);

  2787.         const LV2_URID uridPatchSet  = getCustomURID(LV2_PATCH__Set);

  2788. 

  2789.         if (atom->type != uridAtomBlank)

  2790.         {

  2791.             qWarning("Lv2Plugin::handleEventTransfer() - Not blank");

  2792.             return;

  2793.         }

  2794. 

  2795.         const LV2_Atom_Object* const obj = (LV2_Atom_Object*)atom;

  2796. 

  2797.         if (obj->body.otype != uridPatchSet)

  2798.         {

  2799.             qWarning("Lv2Plugin::handleEventTransfer() - Not Patch Set");

  2800.             return;

  2801.         }

  2802. 

  2803.         const LV2_Atom_Object* body = nullptr;

  2804.         lv2_atom_object_get(obj, uridPatchBody, &body, 0);

  2805. 

  2806.         if (! body)

  2807.         {

  2808.             qWarning("Lv2Plugin::handleEventTransfer() - Has no body");

  2809.             return;

  2810.         }

  2811. 

  2812.         LV2_ATOM_OBJECT_FOREACH(body, iter)

  2813.         {

  2814.             CustomDataType dtype  = CUSTOM_DATA_INVALID;

  2815.             const char* const key = getCustomURIString(iter->key);

  2816.             const char* value     = nullptr;

  2817. 

  2818.             if (iter->value.type == CARLA_URI_MAP_ID_ATOM_STRING || iter->value.type == CARLA_URI_MAP_ID_ATOM_PATH)

  2819.             {

  2820.                 value = strdup((const char*)LV2_ATOM_BODY(&iter->value));

  2821.                 dtype = (iter->value.type == CARLA_URI_MAP_ID_ATOM_STRING) ? CUSTOM_DATA_STRING : CUSTOM_DATA_PATH;

  2822.             }

  2823.             else if (iter->value.type == CARLA_URI_MAP_ID_ATOM_CHUNK || iter->value.type >= CARLA_URI_MAP_ID_COUNT)

  2824.             {

  2825.                 QByteArray chunk((const char*)LV2_ATOM_BODY(&iter->value), iter->value.size);

  2826.                 value = strdup(chunk.toBase64().constData());

  2827.                 dtype = (iter->value.type == CARLA_URI_MAP_ID_ATOM_CHUNK) ? CUSTOM_DATA_CHUNK : CUSTOM_DATA_BINARY; // FIXME - binary should be custom stype

  2828.             }

  2829.             else

  2830.                 value = strdup("");

  2831. 

  2832.             setCustomData(dtype, key, value, false);

  2833. 

  2834.             free((void*)value);

  2835.         }

  2836.     }

  2837. 

  2838.     // -------------------------------------------------------------------

  2839. 

  2840.     void handleProgramChanged(const int32_t index)

  2841.     {

  2842.         if (index == -1)

  2843.         {

  2844.             const CarlaPlugin::ScopedDisabler m(this);

  2845.             reloadPrograms(false);

  2846.         }

  2847.         else

  2848.         {

  2849.             if (index >= 0 && index < (int32_t)prog.count && ext.programs)

  2850.             {

  2851.                 const char* const progName = ext.programs->get_program(handle, index)->name;

  2852.                 Q_ASSERT(progName);

  2853. 

  2854.                 if (prog.names[index])

  2855.                     free((void*)prog.names[index]);

  2856. 

  2857.                 prog.names[index] = strdup(progName);

  2858.             }

  2859.         }

  2860. 

  2861.         x_engine->callback(CALLBACK_RELOAD_PROGRAMS, m_id, 0, 0, 0.0);

  2862.     }

  2863. 

  2864.     LV2_State_Status handleStateStore(const uint32_t key, const void* const value, const size_t size, const uint32_t type, const uint32_t flags)

  2865.     {

  2866.         Q_ASSERT(key > 0);

  2867.         Q_ASSERT(value);

  2868. 

  2869.         CustomDataType dtype;

  2870.         const char* const uriKey = getCustomURIString(key);

  2871. 

  2872.         if (type == CARLA_URI_MAP_ID_ATOM_CHUNK)

  2873.             dtype = CUSTOM_DATA_CHUNK;

  2874.         else if (type == CARLA_URI_MAP_ID_ATOM_PATH)

  2875.             dtype = CUSTOM_DATA_PATH;

  2876.         else if (type == CARLA_URI_MAP_ID_ATOM_STRING)

  2877.             dtype = CUSTOM_DATA_STRING;

  2878.         else if (type >= CARLA_URI_MAP_ID_COUNT)

  2879.             dtype = CUSTOM_DATA_BINARY;

  2880.         else

  2881.             dtype = CUSTOM_DATA_INVALID;

  2882. 

  2883.         // do basic checks

  2884.         if (! uriKey)

  2885.         {

  2886.             qWarning("Lv2Plugin::handleStateStore(%i, %p, " P_SIZE ", %i, %i) - invalid key", key, value, size, type, flags);

  2887.             return LV2_STATE_ERR_NO_PROPERTY;

  2888.         }

  2889. 

  2890.         if (! flags & LV2_STATE_IS_POD)

  2891.         {

  2892.             qWarning("Lv2Plugin::handleStateStore(%i, %p, " P_SIZE ", %i, %i) - invalid flags", key, value, size, type, flags);

  2893.             return LV2_STATE_ERR_BAD_FLAGS;

  2894.         }

  2895. 

  2896.         if (dtype == CUSTOM_DATA_INVALID)

  2897.         {

  2898.             qCritical("Lv2Plugin::handleStateStore(%i, %p, " P_SIZE ", %i, %i) - invalid type '%s'", key, value, size, type, flags, CustomDataType2str(dtype));

  2899.             return LV2_STATE_ERR_BAD_TYPE;

  2900.         }

  2901. 

  2902.         // Check if we already have this key

  2903.         for (size_t i=0; i < custom.size(); i++)

  2904.         {

  2905.             if (strcmp(custom[i].key, uriKey) == 0)

  2906.             {

  2907.                 free((void*)custom[i].value);

  2908. 

  2909.                 if (dtype == CUSTOM_DATA_STRING || dtype == CUSTOM_DATA_PATH)

  2910.                     custom[i].value = strdup((const char*)value);

  2911.                 else

  2912.                     custom[i].value = strdup(QByteArray((const char*)value, size).toBase64().constData());

  2913. 

  2914.                 return LV2_STATE_SUCCESS;

  2915.             }

  2916.         }

  2917. 

  2918.         // Otherwise store it

  2919.         CustomData newData;

  2920.         newData.type = dtype;

  2921.         newData.key  = strdup(uriKey);

  2922. 

  2923.         if (dtype == CUSTOM_DATA_STRING || dtype == CUSTOM_DATA_PATH)

  2924.             newData.value = strdup((const char*)value);

  2925.         else

  2926.             newData.value = strdup(QByteArray((const char*)value, size).toBase64().constData());

  2927. 

  2928.         custom.push_back(newData);

  2929. 

  2930.         return LV2_STATE_SUCCESS;

  2931.     }

  2932. 

  2933.     const void* handleStateRetrieve(const uint32_t key, size_t* const size, uint32_t* const type, uint32_t* const flags)

  2934.     {

  2935.         Q_ASSERT(key > CARLA_URI_MAP_ID_NULL);

  2936. 

  2937.         const char* const uriKey = getCustomURIString(key);

  2938. 

  2939.         if (! uriKey)

  2940.         {

  2941.             qCritical("Lv2Plugin::handleStateRetrieve(%i, %p, %p, %p) - failed to find key", key, size, type, flags);

  2942.             return nullptr;

  2943.         }

  2944. 

  2945.         const char* stringData = nullptr;

  2946.         CustomDataType dtype = CUSTOM_DATA_INVALID;

  2947. 

  2948.         for (size_t i=0; i < custom.size(); i++)

  2949.         {

  2950.             if (strcmp(custom[i].key, uriKey) == 0)

  2951.             {

  2952.                 dtype      = custom[i].type;

  2953.                 stringData = custom[i].value;

  2954.                 break;

  2955.             }

  2956.         }

  2957. 

  2958.         if (! stringData)

  2959.         {

  2960.             qCritical("Lv2Plugin::handleStateRetrieve(%i, %p, %p, %p) - invalid key '%s'", key, size, type, flags, uriKey);

  2961.             return nullptr;

  2962.         }

  2963. 

  2964.         *size  = 0;

  2965.         *type  = 0;

  2966.         *flags = LV2_STATE_IS_POD;

  2967. 

  2968.         if (dtype == CUSTOM_DATA_STRING)

  2969.         {

  2970.             *size = strlen(stringData);

  2971.             *type = CARLA_URI_MAP_ID_ATOM_STRING;

  2972.             return stringData;

  2973.         }

  2974.         if (dtype == CUSTOM_DATA_PATH)

  2975.         {

  2976.             *size = strlen(stringData);

  2977.             *type = CARLA_URI_MAP_ID_ATOM_PATH;

  2978.             return stringData;

  2979.         }

  2980.         if (dtype == CUSTOM_DATA_CHUNK || dtype == CUSTOM_DATA_BINARY)

  2981.         {

  2982.             static QByteArray chunk;

  2983.             chunk = QByteArray::fromBase64(stringData);

  2984. 

  2985.             *size = chunk.size();

  2986.             *type = (dtype == CUSTOM_DATA_CHUNK) ? CARLA_URI_MAP_ID_ATOM_CHUNK : key;

  2987.             return chunk.constData();

  2988.         }

  2989. 

  2990.         qCritical("Lv2Plugin::handleStateRetrieve(%i, %p, %p, %p) - invalid key type '%s'", key, size, type, flags, CustomDataType2str(dtype));

  2991.         return nullptr;

  2992.     }

  2993. 

  2994.     LV2_Worker_Status handleWorkerSchedule(const uint32_t /*size*/, const void* const /*data*/)

  2995.     {

  2996.         // TODO

  2997.         return LV2_WORKER_SUCCESS;

  2998.     }

  2999. 

  3000.     LV2_Worker_Status handleWorkerRespond(const uint32_t /*size*/, const void* const /*data*/)

  3001.     {

  3002.         // TODO

  3003.         if (ext.worker)

  3004.             return LV2_WORKER_SUCCESS;

  3005. 

  3006.         return LV2_WORKER_ERR_UNKNOWN;

  3007.     }

  3008. 

  3009.     void handleExternalUiClosed()

  3010.     {

  3011.         if (ui.handle && ui.descriptor && ui.descriptor->cleanup)

  3012.             ui.descriptor->cleanup(ui.handle);

  3013. 

  3014.         ui.handle = nullptr;

  3015.         x_engine->callback(CALLBACK_SHOW_GUI, m_id, 0, 0, 0.0);

  3016.     }

  3017. 

  3018.     uint32_t handleUiPortMap(const char* const symbol)

  3019.     {

  3020.         Q_ASSERT(symbol);

  3021. 

  3022.         if (! symbol)

  3023.             return LV2UI_INVALID_PORT_INDEX;

  3024. 

  3025.         for (uint32_t i=0; i < rdf_descriptor->PortCount; i++)

  3026.         {

  3027.             if (strcmp(rdf_descriptor->Ports[i].Symbol, symbol) == 0)

  3028.                 return i;

  3029.         }

  3030. 

  3031.         return LV2UI_INVALID_PORT_INDEX;

  3032.     }

  3033. 

  3034.     int handleUiResize(const int width, const int height)

  3035.     {

  3036.         Q_ASSERT(width > 0);

  3037.         Q_ASSERT(height > 0);

  3038. 

  3039.         if (width <= 0 || height <= 0)

  3040.             return 1;

  3041. 

  3042.         gui.width  = width;

  3043.         gui.height = height;

  3044.         x_engine->callback(CALLBACK_RESIZE_GUI, m_id, width, height, 0.0);

  3045. 

  3046.         return 0;

  3047.     }

  3048. 

  3049.     void handleUiWrite(const uint32_t rindex, const uint32_t bufferSize, const uint32_t format, const void* const buffer)

  3050.     {

  3051.         if (format == 0)

  3052.         {

  3053.             Q_ASSERT(buffer);

  3054.             Q_ASSERT(bufferSize == sizeof(float));

  3055. 

  3056.             float value = *(float*)buffer;

  3057. 

  3058.             for (uint32_t i=0; i < param.count; i++)

  3059.             {

  3060.                 if (param.data[i].rindex == (int32_t)rindex)

  3061.                     return setParameterValue(i, value, false, true, true);

  3062.             }

  3063.         }

  3064.         else if (format == CARLA_URI_MAP_ID_ATOM_TRANSFER_ATOM)

  3065.         {

  3066.             Q_ASSERT(buffer);

  3067. 

  3068.             const LV2_Atom* const atom = (const LV2_Atom*)buffer;

  3069.             handleTransferAtom(atom, getCustomURIString(atom->type));

  3070. 

  3071.             if (ui.handle && ui.descriptor && ui.descriptor->port_event)

  3072.                 ui.descriptor->port_event(ui.handle, 0, atom->size, CARLA_URI_MAP_ID_ATOM_TRANSFER_ATOM, atom);

  3073.         }

  3074.         else if (format == CARLA_URI_MAP_ID_ATOM_TRANSFER_EVENT)

  3075.         {

  3076.             Q_ASSERT(buffer);

  3077. 

  3078.             const LV2_Atom* const atom = (const LV2_Atom*)buffer;

  3079.             handleTransferEvent(atom, getCustomURIString(atom->type));

  3080. 

  3081.             if (ui.handle && ui.descriptor && ui.descriptor->port_event)

  3082.                 ui.descriptor->port_event(ui.handle, 0, atom->size, CARLA_URI_MAP_ID_ATOM_TRANSFER_EVENT, atom);

  3083.         }

  3084.     }

  3085. 

  3086.     // -------------------------------------------------------------------

  3087. 

  3088. #ifndef BUILD_BRIDGE

  3089.     bool isUiBridgeable(const uint32_t uiId)

  3090.     {

  3091.         Q_ASSERT(rdf_descriptor);

  3092.         Q_ASSERT(uiId < rdf_descriptor->UICount);

  3093. 

  3094.         if (uiId >= rdf_descriptor->UICount)

  3095.             return false;

  3096. 

  3097.         const LV2_RDF_UI* const rdf_ui = &rdf_descriptor->UIs[uiId];

  3098. 

  3099.         for (uint32_t i=0; i < rdf_ui->FeatureCount; i++)

  3100.         {

  3101.             if (strcmp(rdf_ui->Features[i].URI, LV2_INSTANCE_ACCESS_URI) == 0 || strcmp(rdf_ui->Features[i].URI, LV2_DATA_ACCESS_URI) == 0)

  3102.                 return false;

  3103.         }

  3104. 

  3105.         return true;

  3106.     }

  3107. #endif

  3108. 

  3109.     bool isUiResizable()

  3110.     {

  3111.         Q_ASSERT(ui.rdf_descriptor);

  3112. 

  3113.         if (! ui.rdf_descriptor)

  3114.             return false;

  3115. 

  3116.         for (uint32_t i=0; i < ui.rdf_descriptor->FeatureCount; i++)

  3117.         {

  3118.             if (strcmp(ui.rdf_descriptor->Features[i].URI, LV2_UI__fixedSize) == 0 || strcmp(ui.rdf_descriptor->Features[i].URI, LV2_UI__noUserResize) == 0)

  3119.                 return false;

  3120.         }

  3121. 

  3122.         return true;

  3123.     }

  3124. 

  3125.     void initExternalUi()

  3126.     {

  3127.         qDebug("Lv2Plugin::initExternalUi()");

  3128. 

  3129.         ui.widget = nullptr;

  3130.         ui.handle = ui.descriptor->instantiate(ui.descriptor, descriptor->URI, ui.rdf_descriptor->Bundle, carla_lv2_ui_write_function, this, &ui.widget, features);

  3131. 

  3132.         if (ui.handle && ui.widget)

  3133.         {

  3134.             updateUi();

  3135.         }

  3136.         else

  3137.         {

  3138.             qWarning("Lv2Plugin::initExternalUi() - failed to instantiate UI");

  3139.             ui.handle = nullptr;

  3140.             ui.widget = nullptr;

  3141.             x_engine->callback(CALLBACK_SHOW_GUI, m_id, -1, 0, 0.0);

  3142.         }

  3143.     }

  3144. 

  3145.     void uiTransferAtom()

  3146.     {

  3147.         // TODO

  3148.     }

  3149. 

  3150.     void uiTransferEvent(const CustomData* const cdata)

  3151.     {

  3152.         if (cdata->type == CUSTOM_DATA_INVALID || ! ui.descriptor->port_event)

  3153.             return;

  3154. 

  3155.         LV2_URID_Map* const URID_Map = (LV2_URID_Map*)features[lv2_feature_id_urid_map]->data;

  3156.         const LV2_URID uridPatchSet  = getCustomURID(LV2_PATCH__Set);

  3157.         const LV2_URID uridPatchBody = getCustomURID(LV2_PATCH__body);

  3158. 

  3159.         Sratom* const sratom = sratom_new(URID_Map);

  3160.         SerdChunk     chunk  = { nullptr, 0 };

  3161. 

  3162.         LV2_Atom_Forge forge;

  3163.         lv2_atom_forge_init(&forge, URID_Map);

  3164.         lv2_atom_forge_set_sink(&forge, sratom_forge_sink, sratom_forge_deref, &chunk);

  3165. 

  3166.         LV2_Atom_Forge_Frame refFrame, bodyFrame;

  3167.         LV2_Atom_Forge_Ref   ref = lv2_atom_forge_blank(&forge, &refFrame, 1, uridPatchSet);

  3168. 

  3169.         lv2_atom_forge_property_head(&forge, uridPatchBody, CARLA_URI_MAP_ID_NULL);

  3170.         lv2_atom_forge_blank(&forge, &bodyFrame, 2, CARLA_URI_MAP_ID_NULL);

  3171. 

  3172.         lv2_atom_forge_property_head(&forge, getCustomURID(cdata->key), CARLA_URI_MAP_ID_NULL);

  3173. 

  3174.         if (cdata->type == CUSTOM_DATA_STRING)

  3175.             lv2_atom_forge_string(&forge, cdata->value, strlen(cdata->value));

  3176.         else if (cdata->type == CUSTOM_DATA_PATH)

  3177.             lv2_atom_forge_path(&forge, cdata->value, strlen(cdata->value));

  3178.         else if (cdata->type == CUSTOM_DATA_CHUNK)

  3179.             lv2_atom_forge_literal(&forge, cdata->value, strlen(cdata->value), CARLA_URI_MAP_ID_ATOM_CHUNK, CARLA_URI_MAP_ID_NULL);

  3180.         else

  3181.             lv2_atom_forge_literal(&forge, cdata->value, strlen(cdata->value), getCustomURID(cdata->key), CARLA_URI_MAP_ID_NULL);

  3182. 

  3183.         lv2_atom_forge_pop(&forge, &bodyFrame);

  3184.         lv2_atom_forge_pop(&forge, &refFrame);

  3185. 

  3186.         const LV2_Atom* const atom = lv2_atom_forge_deref(&forge, ref);

  3187.         ui.descriptor->port_event(ui.handle, 0, atom->size, CARLA_URI_MAP_ID_ATOM_TRANSFER_EVENT, atom);

  3188. 

  3189.         free((void*)chunk.buf);

  3190.         sratom_free(sratom);

  3191.     }

  3192. 

  3193.     void updateUi()

  3194.     {

  3195.         qDebug("Lv2Plugin::updateUi()");

  3196. 

  3197.         ext.uiprograms = nullptr;

  3198. 

  3199.         if (ui.handle && ui.descriptor)

  3200.         {

  3201.             if (ui.descriptor->extension_data)

  3202.             {

  3203.                 ext.uiprograms = (const LV2_Programs_UI_Interface*)ui.descriptor->extension_data(LV2_PROGRAMS__UIInterface);

  3204. 

  3205.                 if (ext.uiprograms && ! ext.uiprograms->select_program)

  3206.                     // invalid

  3207.                     ext.uiprograms = nullptr;

  3208. 

  3209.                 if (ext.uiprograms && midiprog.count > 0 && midiprog.current >= 0)

  3210.                     ext.uiprograms->select_program(ui.handle, midiprog.data[midiprog.current].bank, midiprog.data[midiprog.current].program);

  3211.             }

  3212. 

  3213.             if (ui.descriptor->port_event)

  3214.             {

  3215.                 // get&store custom data to be sent to the UI

  3216.                 prepareForSave();

  3217. 

  3218.                 // update state (custom data)

  3219.                 for (size_t i=0; i < custom.size(); i++)

  3220.                     uiTransferEvent(&custom[i]);

  3221. 

  3222.                 // update control ports

  3223.                 float valueF;

  3224.                 for (uint32_t i=0; i < param.count; i++)

  3225.                 {

  3226.                     valueF = getParameterValue(i);

  3227.                     ui.descriptor->port_event(ui.handle, param.data[i].rindex, sizeof(float), 0, &valueF);

  3228.                 }

  3229.             }

  3230.         }

  3231.     }

  3232. 

  3233.     // ----------------- Event Feature ---------------------------------------------------

  3234. 

  3235.     static uint32_t carla_lv2_event_ref(const LV2_Event_Callback_Data callback_data, LV2_Event* const event)

  3236.     {

  3237.         qDebug("Lv2Plugin::carla_lv2_event_ref(%p, %p)", callback_data, event);

  3238.         Q_ASSERT(callback_data);

  3239.         Q_ASSERT(event);

  3240. 

  3241.         return 0;

  3242.     }

  3243. 

  3244.     static uint32_t carla_lv2_event_unref(const LV2_Event_Callback_Data callback_data, LV2_Event* const event)

  3245.     {

  3246.         qDebug("Lv2Plugin::carla_lv2_event_unref(%p, %p)", callback_data, event);

  3247.         Q_ASSERT(callback_data);

  3248.         Q_ASSERT(event);

  3249. 

  3250.         return 0;

  3251.     }

  3252. 

  3253.     // ----------------- Logs Feature ----------------------------------------------------

  3254. 

  3255.     static int carla_lv2_log_printf(const LV2_Log_Handle handle, const LV2_URID type, const char* const fmt, ...)

  3256.     {

  3257.         qDebug("Lv2Plugin::carla_lv2_log_printf(%p, %i, \"%s\", ...)", handle, type, fmt);

  3258.         Q_ASSERT(handle);

  3259.         Q_ASSERT(type > 0);

  3260. 

  3261. #ifndef DEBUG

  3262.         if (type == CARLA_URI_MAP_ID_LOG_TRACE)

  3263.             return 0;

  3264. #endif

  3265. 

  3266.         va_list args;

  3267.         va_start(args, fmt);

  3268.         const int ret = carla_lv2_log_vprintf(handle, type, fmt, args);

  3269.         va_end(args);

  3270. 

  3271.         return ret;

  3272.     }

  3273. 

  3274.     static int carla_lv2_log_vprintf(const LV2_Log_Handle handle, const LV2_URID type, const char* const fmt, va_list ap)

  3275.     {

  3276.         qDebug("Lv2Plugin::carla_lv2_log_vprintf(%p, %i, \"%s\", ...)", handle, type, fmt);

  3277.         Q_ASSERT(handle);

  3278.         Q_ASSERT(type > 0);

  3279. 

  3280. #ifndef DEBUG

  3281.         if (type == CARLA_URI_MAP_ID_LOG_TRACE)

  3282.             return 0;

  3283. #endif

  3284. 

  3285.         char buf[8196];

  3286.         vsprintf(buf, fmt, ap);

  3287. 

  3288.         if (*buf == 0)

  3289.             return 0;

  3290. 

  3291.         switch (type)

  3292.         {

  3293.         case CARLA_URI_MAP_ID_LOG_ERROR:

  3294.             qCritical("%s", buf);

  3295.             break;

  3296.         case CARLA_URI_MAP_ID_LOG_NOTE:

  3297.             printf("%s\n", buf);

  3298.             break;

  3299.         case CARLA_URI_MAP_ID_LOG_TRACE:

  3300.             qDebug("%s", buf);

  3301.             break;

  3302.         case CARLA_URI_MAP_ID_LOG_WARNING:

  3303.             qWarning("%s", buf);

  3304.             break;

  3305.         default:

  3306.             break;

  3307.         }

  3308. 

  3309.         return strlen(buf);

  3310.     }

  3311. 

  3312.     // ----------------- Programs Feature ------------------------------------------------

  3313. 

  3314.     static void carla_lv2_program_changed(const LV2_Programs_Handle handle, const int32_t index)

  3315.     {

  3316.         qDebug("Lv2Plugin::carla_lv2_program_changed(%p, %i)", handle, index);

  3317.         Q_ASSERT(handle);

  3318. 

  3319.         if (! handle)

  3320.             return;

  3321. 

  3322.         Lv2Plugin* const plugin = (Lv2Plugin*)handle;

  3323.         plugin->handleProgramChanged(index);

  3324.     }

  3325. 

  3326.     // ----------------- State Feature ---------------------------------------------------

  3327. 

  3328.     static char* carla_lv2_state_make_path(const LV2_State_Make_Path_Handle handle, const char* const path)

  3329.     {

  3330.         qDebug("Lv2Plugin::carla_lv2_state_make_path(%p, \"%s\")", handle, path);

  3331.         Q_ASSERT(handle);

  3332.         Q_ASSERT(path);

  3333. 

  3334.         if (! path)

  3335.             return nullptr;

  3336. 

  3337.         QDir dir;

  3338.         dir.mkpath(path);

  3339.         return strdup(path);

  3340.     }

  3341. 

  3342.     static char* carla_lv2_state_map_abstract_path(const LV2_State_Map_Path_Handle handle, const char* const absolute_path)

  3343.     {

  3344.         qDebug("Lv2Plugin::carla_lv2_state_map_abstract_path(%p, \"%s\")", handle, absolute_path);

  3345.         Q_ASSERT(handle);

  3346.         Q_ASSERT(absolute_path);

  3347. 

  3348.         if (! absolute_path)

  3349.             return nullptr;

  3350. 

  3351.         QDir dir(absolute_path);

  3352.         return strdup(dir.canonicalPath().toUtf8().constData());

  3353.     }

  3354. 

  3355.     static char* carla_lv2_state_map_absolute_path(const LV2_State_Map_Path_Handle handle, const char* const abstract_path)

  3356.     {

  3357.         qDebug("Lv2Plugin::carla_lv2_state_map_absolute_path(%p, \"%s\")", handle, abstract_path);

  3358.         Q_ASSERT(handle);

  3359.         Q_ASSERT(abstract_path);

  3360. 

  3361.         if (! abstract_path)

  3362.             return nullptr;

  3363. 

  3364.         QDir dir(abstract_path);

  3365.         return strdup(dir.absolutePath().toUtf8().constData());

  3366.     }

  3367. 

  3368.     static LV2_State_Status carla_lv2_state_store(const LV2_State_Handle handle, const uint32_t key, const void* const value, const size_t size, const uint32_t type, const uint32_t flags)

  3369.     {

  3370.         qDebug("Lv2Plugin::carla_lv2_state_store(%p, %i, %p, " P_SIZE ", %i, %i)", handle, key, value, size, type, flags);

  3371.         Q_ASSERT(handle);

  3372. 

  3373.         if (! handle)

  3374.             return LV2_STATE_ERR_UNKNOWN;

  3375. 

  3376.         Lv2Plugin* const plugin = (Lv2Plugin*)handle;

  3377.         return plugin->handleStateStore(key, value, size, type, flags);

  3378.     }

  3379. 

  3380.     static const void* carla_lv2_state_retrieve(const LV2_State_Handle handle, const uint32_t key, size_t* const size, uint32_t* const type, uint32_t* const flags)

  3381.     {

  3382.         qDebug("Lv2Plugin::carla_lv2_state_retrieve(%p, %i, %p, %p, %p)", handle, key, size, type, flags);

  3383.         Q_ASSERT(handle);

  3384. 

  3385.         if (! handle)

  3386.             return nullptr;

  3387. 

  3388.         Lv2Plugin* const plugin = (Lv2Plugin*)handle;

  3389.         return plugin->handleStateRetrieve(key, size, type, flags);

  3390.     }

  3391. 

  3392.     // ----------------- URI-Map Feature -------------------------------------------------

  3393. 

  3394.     static uint32_t carla_lv2_uri_to_id(const LV2_URI_Map_Callback_Data data, const char* const map, const char* const uri)

  3395.     {

  3396.         qDebug("Lv2Plugin::carla_lv2_uri_to_id(%p, \"%s\", \"%s\")", data, map, uri);

  3397.         return carla_lv2_urid_map((LV2_URID_Map_Handle*)data, uri);

  3398.     }

  3399. 

  3400.     // ----------------- URID Feature ----------------------------------------------------

  3401. 

  3402.     static LV2_URID carla_lv2_urid_map(const LV2_URID_Map_Handle handle, const char* const uri)

  3403.     {

  3404.         qDebug("Lv2Plugin::carla_lv2_urid_map(%p, \"%s\")", handle, uri);

  3405.         Q_ASSERT(handle);

  3406.         Q_ASSERT(uri);

  3407. 

  3408.         if (! uri)

  3409.             return CARLA_URI_MAP_ID_NULL;

  3410. 

  3411.         // Atom types

  3412.         if (strcmp(uri, LV2_ATOM__Chunk) == 0)

  3413.             return CARLA_URI_MAP_ID_ATOM_CHUNK;

  3414.         if (strcmp(uri, LV2_ATOM__Double) == 0)

  3415.             return CARLA_URI_MAP_ID_ATOM_DOUBLE;

  3416.         if (strcmp(uri, LV2_ATOM__Int) == 0)

  3417.             return CARLA_URI_MAP_ID_ATOM_INT;

  3418.         if (strcmp(uri, LV2_ATOM__Path) == 0)

  3419.             return CARLA_URI_MAP_ID_ATOM_PATH;

  3420.         if (strcmp(uri, LV2_ATOM__Sequence) == 0)

  3421.             return CARLA_URI_MAP_ID_ATOM_SEQUENCE;

  3422.         if (strcmp(uri, LV2_ATOM__String) == 0)

  3423.             return CARLA_URI_MAP_ID_ATOM_STRING;

  3424.         if (strcmp(uri, LV2_ATOM__atomTransfer) == 0)

  3425.             return CARLA_URI_MAP_ID_ATOM_TRANSFER_ATOM;

  3426.         if (strcmp(uri, LV2_ATOM__eventTransfer) == 0)

  3427.             return CARLA_URI_MAP_ID_ATOM_TRANSFER_EVENT;

  3428. 

  3429.         // BufSize types

  3430.         if (strcmp(uri, LV2_BUF_SIZE__maxBlockLength) == 0)

  3431.             return CARLA_URI_MAP_ID_BUF_MAX_LENGTH;

  3432.         if (strcmp(uri, LV2_BUF_SIZE__minBlockLength) == 0)

  3433.             return CARLA_URI_MAP_ID_BUF_MIN_LENGTH;

  3434.         if (strcmp(uri, LV2_BUF_SIZE__sequenceSize) == 0)

  3435.             return CARLA_URI_MAP_ID_BUF_SEQUENCE_SIZE;

  3436. 

  3437.         // Log types

  3438.         if (strcmp(uri, LV2_LOG__Error) == 0)

  3439.             return CARLA_URI_MAP_ID_LOG_ERROR;

  3440.         if (strcmp(uri, LV2_LOG__Note) == 0)

  3441.             return CARLA_URI_MAP_ID_LOG_NOTE;

  3442.         if (strcmp(uri, LV2_LOG__Trace) == 0)

  3443.             return CARLA_URI_MAP_ID_LOG_TRACE;

  3444.         if (strcmp(uri, LV2_LOG__Warning) == 0)

  3445.             return CARLA_URI_MAP_ID_LOG_WARNING;

  3446. 

  3447.         // Others

  3448.         if (strcmp(uri, LV2_MIDI__MidiEvent) == 0)

  3449.             return CARLA_URI_MAP_ID_MIDI_EVENT;

  3450.         if (strcmp(uri, LV2_PARAMETERS__sampleRate) == 0)

  3451.             return CARLA_URI_MAP_ID_PARAM_SAMPLE_RATE;

  3452. 

  3453.         if (! handle)

  3454.             return CARLA_URI_MAP_ID_NULL;

  3455. 

  3456.         // Custom types

  3457.         Lv2Plugin* const plugin = (Lv2Plugin*)handle;

  3458.         return plugin->getCustomURID(uri);

  3459.     }

  3460. 

  3461.     static const char* carla_lv2_urid_unmap(const LV2_URID_Map_Handle handle, const LV2_URID urid)

  3462.     {

  3463.         qDebug("Lv2Plugin::carla_lv2_urid_unmap(%p, %i)", handle, urid);

  3464.         Q_ASSERT(handle);

  3465.         Q_ASSERT(urid > CARLA_URI_MAP_ID_NULL);

  3466. 

  3467.         if (urid == CARLA_URI_MAP_ID_NULL)

  3468.             return nullptr;

  3469. 

  3470.         // Atom types

  3471.         if (urid == CARLA_URI_MAP_ID_ATOM_CHUNK)

  3472.             return LV2_ATOM__Chunk;

  3473.         if (urid == CARLA_URI_MAP_ID_ATOM_DOUBLE)

  3474.             return LV2_ATOM__Double;

  3475.         if (urid == CARLA_URI_MAP_ID_ATOM_INT)

  3476.             return LV2_ATOM__Int;

  3477.         if (urid == CARLA_URI_MAP_ID_ATOM_PATH)

  3478.             return LV2_ATOM__Path;

  3479.         if (urid == CARLA_URI_MAP_ID_ATOM_SEQUENCE)

  3480.             return LV2_ATOM__Sequence;

  3481.         if (urid == CARLA_URI_MAP_ID_ATOM_STRING)

  3482.             return LV2_ATOM__String;

  3483.         if (urid == CARLA_URI_MAP_ID_ATOM_TRANSFER_ATOM)

  3484.             return LV2_ATOM__atomTransfer;

  3485.         if (urid == CARLA_URI_MAP_ID_ATOM_TRANSFER_EVENT)

  3486.             return LV2_ATOM__eventTransfer;

  3487. 

  3488.         // BufSize types

  3489.         if (urid == CARLA_URI_MAP_ID_BUF_MAX_LENGTH)

  3490.             return LV2_BUF_SIZE__maxBlockLength;

  3491.         if (urid == CARLA_URI_MAP_ID_BUF_MIN_LENGTH)

  3492.             return LV2_BUF_SIZE__minBlockLength;

  3493.         if (urid == CARLA_URI_MAP_ID_BUF_SEQUENCE_SIZE)

  3494.             return LV2_BUF_SIZE__sequenceSize;

  3495. 

  3496.         // Log types

  3497.         if (urid == CARLA_URI_MAP_ID_LOG_ERROR)

  3498.             return LV2_LOG__Error;

  3499.         if (urid == CARLA_URI_MAP_ID_LOG_NOTE)

  3500.             return LV2_LOG__Note;

  3501.         if (urid == CARLA_URI_MAP_ID_LOG_TRACE)

  3502.             return LV2_LOG__Trace;

  3503.         if (urid == CARLA_URI_MAP_ID_LOG_WARNING)

  3504.             return LV2_LOG__Warning;

  3505. 

  3506.         // Others

  3507.         if (urid == CARLA_URI_MAP_ID_MIDI_EVENT)

  3508.             return LV2_MIDI__MidiEvent;

  3509.         if (urid == CARLA_URI_MAP_ID_PARAM_SAMPLE_RATE)

  3510.             return LV2_PARAMETERS__sampleRate;

  3511. 

  3512.         if (! handle)

  3513.             return nullptr;

  3514. 

  3515.         // Custom types

  3516.         Lv2Plugin* const plugin = (Lv2Plugin*)handle;

  3517.         return plugin->getCustomURIString(urid);

  3518.     }

  3519. 

  3520.     // ----------------- Worker Feature --------------------------------------------------

  3521. 

  3522.     static LV2_Worker_Status carla_lv2_worker_schedule(const LV2_Worker_Schedule_Handle handle, const uint32_t size, const void* const data)

  3523.     {

  3524.         qDebug("Lv2Plugin::carla_lv2_worker_schedule(%p, %i, %p)", handle, size, data);

  3525.         Q_ASSERT(handle);

  3526. 

  3527.         if (! handle)

  3528.             return LV2_WORKER_ERR_UNKNOWN;

  3529. 

  3530.         Lv2Plugin* const plugin = (Lv2Plugin*)handle;

  3531.         return plugin->handleWorkerSchedule(size, data);

  3532.     }

  3533. 

  3534.     static LV2_Worker_Status carla_lv2_worker_respond(const LV2_Worker_Respond_Handle handle, const uint32_t size, const void* const data)

  3535.     {

  3536.         qDebug("Lv2Plugin::carla_lv2_worker_respond(%p, %i, %p)", handle, size, data);

  3537.         Q_ASSERT(handle);

  3538. 

  3539.         if (! handle)

  3540.             return LV2_WORKER_ERR_UNKNOWN;

  3541. 

  3542.         Lv2Plugin* const plugin = (Lv2Plugin*)handle;

  3543.         return plugin->handleWorkerRespond(size, data);

  3544.     }

  3545. 

  3546.     // ----------------- UI Port-Map Feature ---------------------------------------------

  3547. 

  3548.     static uint32_t carla_lv2_ui_port_map(const LV2UI_Feature_Handle handle, const char* const symbol)

  3549.     {

  3550.         qDebug("Lv2Plugin::carla_lv2_ui_port_map(%p, \"%s\")", handle, symbol);

  3551.         Q_ASSERT(handle);

  3552. 

  3553.         if (! handle)

  3554.             return LV2UI_INVALID_PORT_INDEX;

  3555. 

  3556.         Lv2Plugin* const plugin = (Lv2Plugin*)handle;

  3557.         return plugin->handleUiPortMap(symbol);

  3558.     }

  3559. 

  3560.     // ----------------- UI Resize Feature -----------------------------------------------

  3561. 

  3562.     static int carla_lv2_ui_resize(const LV2UI_Feature_Handle handle, const int width, const int height)

  3563.     {

  3564.         qDebug("Lv2Plugin::carla_lv2_ui_resize(%p, %i, %i)", handle, width, height);

  3565.         Q_ASSERT(handle);

  3566. 

  3567.         if (! handle)

  3568.             return 1;

  3569. 

  3570.         Lv2Plugin* const plugin  = (Lv2Plugin*)handle;

  3571.         return plugin->handleUiResize(width, height);

  3572.     }

  3573. 

  3574.     // ----------------- External UI Feature ---------------------------------------------

  3575. 

  3576.     static void carla_lv2_external_ui_closed(const LV2UI_Controller controller)

  3577.     {

  3578.         qDebug("Lv2Plugin::carla_lv2_external_ui_closed(%p)", controller);

  3579.         Q_ASSERT(controller);

  3580. 

  3581.         if (! controller)

  3582.             return;

  3583. 

  3584.         Lv2Plugin* const plugin = (Lv2Plugin*)controller;

  3585.         plugin->handleExternalUiClosed();

  3586.     }

  3587. 

  3588.     // ----------------- UI Extension ----------------------------------------------------

  3589. 

  3590.     static void carla_lv2_ui_write_function(const LV2UI_Controller controller, const uint32_t port_index, const uint32_t buffer_size, const uint32_t format, const void* const buffer)

  3591.     {

  3592.         qDebug("Lv2Plugin::carla_lv2_ui_write_function(%p, %i, %i, %i, %p)", controller, port_index, buffer_size, format, buffer);

  3593.         Q_ASSERT(controller);

  3594. 

  3595.         if (! controller)

  3596.             return;

  3597. 

  3598.         Lv2Plugin* const plugin = (Lv2Plugin*)controller;

  3599.         plugin->handleUiWrite(port_index, buffer_size, format, buffer);

  3600.     }

  3601. 

  3602.     // -------------------------------------------------------------------

  3603. 

  3604.     bool uiLibOpen(const char* const filename)

  3605.     {

  3606.         ui.lib = lib_open(filename);

  3607.         return bool(ui.lib);

  3608.     }

  3609. 

  3610.     bool uiLibClose()

  3611.     {

  3612.         if (ui.lib)

  3613.             return lib_close(ui.lib);

  3614.         return false;

  3615.     }

  3616. 

  3617.     void* uiLibSymbol(const char* const symbol)

  3618.     {

  3619.         if (ui.lib)

  3620.             return lib_symbol(ui.lib, symbol);

  3621.         return nullptr;

  3622.     }

  3623. 

  3624.     // -------------------------------------------------------------------

  3625. 

  3626.     bool init(const char* const bundle, const char* const name, const char* const URI)

  3627.     {

  3628.         // ---------------------------------------------------------------

  3629.         // get plugin from lv2_rdf (lilv)

  3630. 

  3631.         rdf_descriptor = lv2_rdf_new(URI);

  3632. 

  3633.         if (! rdf_descriptor)

  3634.         {

  3635.             setLastError("Failed to find the requested plugin in the LV2 Bundle");

  3636.             return false;

  3637.         }

  3638. 

  3639.         // ---------------------------------------------------------------

  3640.         // open DLL

  3641. 

  3642.         if (! libOpen(rdf_descriptor->Binary))

  3643.         {

  3644.             setLastError(libError(rdf_descriptor->Binary));

  3645.             return false;

  3646.         }

  3647. 

  3648.         // ---------------------------------------------------------------

  3649.         // get DLL main entry

  3650. 

  3651.         const LV2_Descriptor_Function descFn = (LV2_Descriptor_Function)libSymbol("lv2_descriptor");

  3652. 

  3653.         if (! descFn)

  3654.         {

  3655.             setLastError("Could not find the LV2 Descriptor in the plugin library");

  3656.             return false;

  3657.         }

  3658. 

  3659.         // ---------------------------------------------------------------

  3660.         // get descriptor that matches URI

  3661. 

  3662.         uint32_t i = 0;

  3663.         while ((descriptor = descFn(i++)))

  3664.         {

  3665.             if (strcmp(descriptor->URI, URI) == 0)

  3666.                 break;

  3667.         }

  3668. 

  3669.         if (! descriptor)

  3670.         {

  3671.             setLastError("Could not find the requested plugin URI in the plugin library");

  3672.             return false;

  3673.         }

  3674. 

  3675.         // ---------------------------------------------------------------

  3676.         // check supported port-types and features

  3677. 

  3678.         bool canContinue = true;

  3679. 

  3680.         // Check supported ports

  3681.         for (i=0; i < rdf_descriptor->PortCount; i++)

  3682.         {

  3683.             LV2_Property PortType = rdf_descriptor->Ports[i].Type;

  3684.             if (! bool(LV2_IS_PORT_AUDIO(PortType) || LV2_IS_PORT_CONTROL(PortType) || LV2_IS_PORT_ATOM_SEQUENCE(PortType) || LV2_IS_PORT_EVENT(PortType) || LV2_IS_PORT_MIDI_LL(PortType)))

  3685.             {

  3686.                 if (! LV2_IS_PORT_OPTIONAL(rdf_descriptor->Ports[i].Properties))

  3687.                 {

  3688.                     setLastError("Plugin requires a port that is not currently supported");

  3689.                     canContinue = false;

  3690.                     break;

  3691.                 }

  3692.             }

  3693.         }

  3694. 

  3695.         // Check supported features

  3696.         for (i=0; i < rdf_descriptor->FeatureCount && canContinue; i++)

  3697.         {

  3698.             if (LV2_IS_FEATURE_REQUIRED(rdf_descriptor->Features[i].Type) && ! is_lv2_feature_supported(rdf_descriptor->Features[i].URI))

  3699.             {

  3700.                 QString msg = QString("Plugin requires a feature that is not supported:\n%1").arg(rdf_descriptor->Features[i].URI);

  3701.                 setLastError(msg.toUtf8().constData());

  3702.                 canContinue = false;

  3703.                 break;

  3704.             }

  3705.         }

  3706. 

  3707.         // Check extensions

  3708.         for (i=0; i < rdf_descriptor->ExtensionCount; i++)

  3709.         {

  3710.             if (strcmp(rdf_descriptor->Extensions[i], LV2_PROGRAMS__Interface) == 0)

  3711.                 m_hints |= PLUGIN_HAS_EXTENSION_PROGRAMS;

  3712.             else if (strcmp(rdf_descriptor->Extensions[i], LV2_STATE__interface) == 0)

  3713.                 m_hints |= PLUGIN_HAS_EXTENSION_STATE;

  3714.             else if (strcmp(rdf_descriptor->Extensions[i], LV2_WORKER__interface) == 0)

  3715.                 m_hints |= PLUGIN_HAS_EXTENSION_WORKER;

  3716.             else

  3717.                 qDebug("Plugin has non-supported extension: '%s'", rdf_descriptor->Extensions[i]);

  3718.         }

  3719. 

  3720.         if (! canContinue)

  3721.         {

  3722.             // error already set

  3723.             return false;

  3724.         }

  3725. 

  3726.         // ---------------------------------------------------------------

  3727.         // initialize features

  3728. 

  3729.         LV2_Event_Feature* const eventFt = new LV2_Event_Feature;

  3730.         eventFt->callback_data           = this;

  3731.         eventFt->lv2_event_ref           = carla_lv2_event_ref;

  3732.         eventFt->lv2_event_unref         = carla_lv2_event_unref;

  3733. 

  3734.         LV2_Log_Log* const logFt         = new LV2_Log_Log;

  3735.         logFt->handle                    = this;

  3736.         logFt->printf                    = carla_lv2_log_printf;

  3737.         logFt->vprintf                   = carla_lv2_log_vprintf;

  3738. 

  3739.         LV2_Programs_Host* const programsFt        = new LV2_Programs_Host;

  3740.         programsFt->handle                         = this;

  3741.         programsFt->program_changed                = carla_lv2_program_changed;

  3742. 

  3743.         LV2_State_Make_Path* const stateMakePathFt = new LV2_State_Make_Path;

  3744.         stateMakePathFt->handle                    = this;

  3745.         stateMakePathFt->path                      = carla_lv2_state_make_path;

  3746. 

  3747.         LV2_State_Map_Path* const stateMapPathFt   = new LV2_State_Map_Path;

  3748.         stateMapPathFt->handle                     = this;

  3749.         stateMapPathFt->abstract_path              = carla_lv2_state_map_abstract_path;

  3750.         stateMapPathFt->absolute_path              = carla_lv2_state_map_absolute_path;

  3751. 

  3752.         LV2_URI_Map_Feature* const uriMapFt = new LV2_URI_Map_Feature;

  3753.         uriMapFt->callback_data             = this;

  3754.         uriMapFt->uri_to_id                 = carla_lv2_uri_to_id;

  3755. 

  3756.         LV2_URID_Map* const uridMapFt       = new LV2_URID_Map;

  3757.         uridMapFt->handle                   = this;

  3758.         uridMapFt->map                      = carla_lv2_urid_map;

  3759. 

  3760.         LV2_URID_Unmap* const uridUnmapFt   = new LV2_URID_Unmap;

  3761.         uridUnmapFt->handle                 = this;

  3762.         uridUnmapFt->unmap                  = carla_lv2_urid_unmap;

  3763. 

  3764.         LV2_Worker_Schedule* const workerFt = new LV2_Worker_Schedule;

  3765.         workerFt->handle                    = this;

  3766.         workerFt->schedule_work             = carla_lv2_worker_schedule;

  3767. 

  3768.         LV2_Options_Option* const optionsFt = new LV2_Options_Option [5];

  3769.         optionsFt[0] = lv2Options.oMaxBlockLenth;

  3770.         optionsFt[1] = lv2Options.oMinBlockLenth;

  3771.         optionsFt[2] = lv2Options.oSequenceSize;

  3772.         optionsFt[3] = lv2Options.oSampleRate;

  3773.         optionsFt[4] = lv2Options.oNull;

  3774. 

  3775.         features[lv2_feature_id_bufsize_bounded]       = new LV2_Feature;

  3776.         features[lv2_feature_id_bufsize_bounded]->URI  = LV2_BUF_SIZE__boundedBlockLength;

  3777.         features[lv2_feature_id_bufsize_bounded]->data = nullptr;

  3778. 

  3779. #ifndef BUILD_BRIDGE

  3780.         if (carlaOptions.processHighPrecision)

  3781.         {

  3782.             features[lv2_feature_id_bufsize_fixed]          = new LV2_Feature;

  3783.             features[lv2_feature_id_bufsize_fixed]->URI     = LV2_BUF_SIZE__fixedBlockLength;

  3784.             features[lv2_feature_id_bufsize_fixed]->data    = nullptr;

  3785. 

  3786.             features[lv2_feature_id_bufsize_powerof2]       = new LV2_Feature;

  3787.             features[lv2_feature_id_bufsize_powerof2]->URI  = LV2_BUF_SIZE__powerOf2BlockLength;

  3788.             features[lv2_feature_id_bufsize_powerof2]->data = nullptr;

  3789.         }

  3790.         else

  3791. #endif

  3792.         {

  3793.             // fake, used to keep a valid array

  3794.             features[lv2_feature_id_bufsize_fixed]    = features[lv2_feature_id_bufsize_bounded];

  3795.             features[lv2_feature_id_bufsize_powerof2] = features[lv2_feature_id_bufsize_bounded];

  3796.         }

  3797. 

  3798.         features[lv2_feature_id_event]          = new LV2_Feature;

  3799.         features[lv2_feature_id_event]->URI     = LV2_EVENT_URI;

  3800.         features[lv2_feature_id_event]->data    = eventFt;

  3801. 

  3802.         features[lv2_feature_id_logs]           = new LV2_Feature;

  3803.         features[lv2_feature_id_logs]->URI      = LV2_LOG__log;

  3804.         features[lv2_feature_id_logs]->data     = logFt;

  3805. 

  3806.         features[lv2_feature_id_options]        = new LV2_Feature;

  3807.         features[lv2_feature_id_options]->URI   = LV2_OPTIONS__options;

  3808.         features[lv2_feature_id_options]->data  = optionsFt;

  3809. 

  3810.         features[lv2_feature_id_programs]       = new LV2_Feature;

  3811.         features[lv2_feature_id_programs]->URI  = LV2_PROGRAMS__Host;

  3812.         features[lv2_feature_id_programs]->data = programsFt;

  3813. 

  3814.         features[lv2_feature_id_state_make_path]       = new LV2_Feature;

  3815.         features[lv2_feature_id_state_make_path]->URI  = LV2_STATE__makePath;

  3816.         features[lv2_feature_id_state_make_path]->data = stateMakePathFt;

  3817. 

  3818.         features[lv2_feature_id_state_map_path]        = new LV2_Feature;

  3819.         features[lv2_feature_id_state_map_path]->URI   = LV2_STATE__mapPath;

  3820.         features[lv2_feature_id_state_map_path]->data  = stateMapPathFt;

  3821. 

  3822.         features[lv2_feature_id_strict_bounds]         = new LV2_Feature;

  3823.         features[lv2_feature_id_strict_bounds]->URI    = LV2_PORT_PROPS__supportsStrictBounds;

  3824.         features[lv2_feature_id_strict_bounds]->data   = nullptr;

  3825. 

  3826.         features[lv2_feature_id_uri_map]          = new LV2_Feature;

  3827.         features[lv2_feature_id_uri_map]->URI     = LV2_URI_MAP_URI;

  3828.         features[lv2_feature_id_uri_map]->data    = uriMapFt;

  3829. 

  3830.         features[lv2_feature_id_urid_map]         = new LV2_Feature;

  3831.         features[lv2_feature_id_urid_map]->URI    = LV2_URID__map;

  3832.         features[lv2_feature_id_urid_map]->data   = uridMapFt;

  3833. 

  3834.         features[lv2_feature_id_urid_unmap]       = new LV2_Feature;

  3835.         features[lv2_feature_id_urid_unmap]->URI  = LV2_URID__unmap;

  3836.         features[lv2_feature_id_urid_unmap]->data = uridUnmapFt;

  3837. 

  3838.         features[lv2_feature_id_worker]           = new LV2_Feature;

  3839.         features[lv2_feature_id_worker]->URI      = LV2_WORKER__schedule;

  3840.         features[lv2_feature_id_worker]->data     = workerFt;

  3841. 

  3842.         // ---------------------------------------------------------------

  3843.         // initialize plugin

  3844. 

  3845.         handle = descriptor->instantiate(descriptor, x_engine->getSampleRate(), rdf_descriptor->Bundle, features);

  3846. 

  3847.         if (! handle)

  3848.         {

  3849.             setLastError("Plugin failed to initialize");

  3850.             return false;

  3851.         }

  3852. 

  3853.         // ---------------------------------------------------------------

  3854.         // get info

  3855. 

  3856.         m_filename = strdup(bundle);

  3857. 

  3858.         if (name)

  3859.             m_name = x_engine->getUniqueName(name);

  3860.         else

  3861.             m_name = x_engine->getUniqueName(rdf_descriptor->Name);

  3862. 

  3863.         // ---------------------------------------------------------------

  3864.         // register client

  3865. 

  3866.         x_client = x_engine->addClient(this);

  3867. 

  3868.         if (! x_client->isOk())

  3869.         {

  3870.             setLastError("Failed to register plugin client");

  3871.             return false;

  3872.         }

  3873. 

  3874.         // ---------------------------------------------------------------

  3875.         // gui stuff

  3876. 

  3877.         if (rdf_descriptor->UICount == 0)

  3878.             return true;

  3879. 

  3880.         // -----------------------------------------------------------

  3881.         // find more appropriate ui

  3882. 

  3883.         int eQt4, eCocoa, eHWND, eX11, eGtk2, eGtk3, iCocoa, iHWND, iX11, iQt4, iExt, iSuil, iFinal;

  3884.         eQt4 = eCocoa = eHWND = eX11 = eGtk2 = eGtk3 = iQt4 = iCocoa = iHWND = iX11 = iExt = iSuil = iFinal = -1;

  3885. 

  3886.         for (i=0; i < rdf_descriptor->UICount; i++)

  3887.         {

  3888.             switch (rdf_descriptor->UIs[i].Type)

  3889.             {

  3890.             case LV2_UI_QT4:

  3891. #ifndef BUILD_BRIDGE

  3892.                 if (isUiBridgeable(i) && carlaOptions.preferUiBridges)

  3893.                     eQt4 = i;

  3894. #endif

  3895.                 iQt4 = i;

  3896.                 break;

  3897. 

  3898.             case LV2_UI_COCOA:

  3899. #ifndef BUILD_BRIDGE

  3900.                 if (isUiBridgeable(i) && carlaOptions.preferUiBridges)

  3901.                     eCocoa = i;

  3902. #endif

  3903.                 iCocoa = i;

  3904.                 break;

  3905. 

  3906.             case LV2_UI_WINDOWS:

  3907. #ifndef BUILD_BRIDGE

  3908.                 if (isUiBridgeable(i) && carlaOptions.preferUiBridges)

  3909.                     eHWND = i;

  3910. #endif

  3911.                 iHWND = i;

  3912.                 break;

  3913. 

  3914.             case LV2_UI_X11:

  3915. #ifndef BUILD_BRIDGE

  3916.                 if (isUiBridgeable(i) && carlaOptions.preferUiBridges)

  3917.                     eX11 = i;

  3918. #endif

  3919.                 iX11 = i;

  3920.                 break;

  3921. 

  3922.             case LV2_UI_GTK2:

  3923. #ifdef BUILD_BRIDGE

  3924.                 if (false)

  3925. #else

  3926. #  ifdef HAVE_SUIL

  3927.                 if (isUiBridgeable(i) && carlaOptions.preferUiBridges)

  3928. #  else

  3929.                 if (isUiBridgeable(i))

  3930. #  endif

  3931. #endif

  3932.                     eGtk2 = i;

  3933. #ifdef HAVE_SUIL

  3934.                 iSuil = i;

  3935. #endif

  3936.                 break;

  3937. 

  3938. #ifndef BUILD_BRIDGE

  3939.             case LV2_UI_GTK3:

  3940.                 if (isUiBridgeable(i))

  3941.                     eGtk3 = i;

  3942.                 break;

  3943. #endif

  3944. 

  3945.             case LV2_UI_EXTERNAL:

  3946.             case LV2_UI_OLD_EXTERNAL:

  3947.                 iExt = i;

  3948.                 break;

  3949. 

  3950.             default:

  3951.                 break;

  3952.             }

  3953.         }

  3954. 

  3955.         if (eQt4 >= 0)

  3956.             iFinal = eQt4;

  3957.         else if (eCocoa >= 0)

  3958.             iFinal = eCocoa;

  3959.         else if (eHWND >= 0)

  3960.             iFinal = eHWND;

  3961.         else if (eX11 >= 0)

  3962.             iFinal = eX11;

  3963.         else if (eGtk2 >= 0)

  3964.             iFinal = eGtk2;

  3965.         else if (eGtk3 >= 0)

  3966.             iFinal = eGtk3;

  3967.         else if (iQt4 >= 0)

  3968.             iFinal = iQt4;

  3969.         else if (iCocoa >= 0)

  3970.             iFinal = iCocoa;

  3971.         else if (iHWND >= 0)

  3972.             iFinal = iHWND;

  3973.         else if (iX11 >= 0)

  3974.             iFinal = iX11;

  3975.         else if (iExt >= 0)

  3976.             iFinal = iExt;

  3977.         else if (iSuil >= 0)

  3978.             iFinal = iSuil;

  3979. 

  3980. #ifndef BUILD_BRIDGE

  3981.         const bool isBridged = (iFinal == eQt4 || iFinal == eCocoa || iFinal == eHWND || iFinal == eX11 || iFinal == eGtk2 || iFinal == eGtk3);

  3982. #endif

  3983. #ifdef HAVE_SUIL

  3984.         const bool isSuil = (iFinal == iSuil && !isBridged);

  3985. #endif

  3986. 

  3987.         if (iFinal < 0)

  3988.         {

  3989.             qWarning("Failed to find an appropriate LV2 UI for this plugin");

  3990.             return true;

  3991.         }

  3992. 

  3993.         ui.rdf_descriptor = &rdf_descriptor->UIs[iFinal];

  3994. 

  3995.         // -----------------------------------------------------------

  3996.         // check supported ui features

  3997. 

  3998.         canContinue = true;

  3999. 

  4000.         for (i=0; i < ui.rdf_descriptor->FeatureCount; i++)

  4001.         {

  4002.             if (LV2_IS_FEATURE_REQUIRED(ui.rdf_descriptor->Features[i].Type) && is_lv2_ui_feature_supported(ui.rdf_descriptor->Features[i].URI) == false)

  4003.             {

  4004.                 qCritical("Plugin UI requires a feature that is not supported:\n%s", ui.rdf_descriptor->Features[i].URI);

  4005.                 canContinue = false;

  4006.                 break;

  4007.             }

  4008.         }

  4009. 

  4010.         if (! canContinue)

  4011.         {

  4012.             ui.rdf_descriptor = nullptr;

  4013.             return true;

  4014.         }

  4015. 

  4016. #ifdef HAVE_SUIL

  4017.         if (isSuil)

  4018.         {

  4019.             // -------------------------------------------------------

  4020.             // init suil host

  4021. 

  4022.             suil.host = suil_host_new(carla_lv2_ui_write_function, carla_lv2_ui_port_map, nullptr, nullptr);

  4023.         }

  4024.         else

  4025. #endif

  4026.         {

  4027.             // -------------------------------------------------------

  4028.             // open DLL

  4029. 

  4030.             if (! uiLibOpen(ui.rdf_descriptor->Binary))

  4031.             {

  4032.                 qCritical("Could not load UI library, error was:\n%s", libError(ui.rdf_descriptor->Binary));

  4033.                 ui.rdf_descriptor = nullptr;

  4034.                 return true;

  4035.             }

  4036. 

  4037.             // -------------------------------------------------------

  4038.             // get DLL main entry

  4039. 

  4040.             LV2UI_DescriptorFunction ui_descFn = (LV2UI_DescriptorFunction)uiLibSymbol("lv2ui_descriptor");

  4041. 

  4042.             if (! ui_descFn)

  4043.             {

  4044.                 qCritical("Could not find the LV2UI Descriptor in the UI library");

  4045.                 uiLibClose();

  4046.                 ui.lib = nullptr;

  4047.                 ui.rdf_descriptor = nullptr;

  4048.                 return true;

  4049.             }

  4050. 

  4051.             // -------------------------------------------------------

  4052.             // get descriptor that matches URI

  4053. 

  4054.             i = 0;

  4055.             while ((ui.descriptor = ui_descFn(i++)))

  4056.             {

  4057.                 if (strcmp(ui.descriptor->URI, ui.rdf_descriptor->URI) == 0)

  4058.                     break;

  4059.             }

  4060. 

  4061.             if (! ui.descriptor)

  4062.             {

  4063.                 qCritical("Could not find the requested GUI in the plugin UI library");

  4064.                 uiLibClose();

  4065.                 ui.lib = nullptr;

  4066.                 ui.rdf_descriptor = nullptr;

  4067.                 return true;

  4068.             }

  4069.         }

  4070. 

  4071.         // -----------------------------------------------------------

  4072.         // initialize ui according to type

  4073. 

  4074.         const LV2_Property uiType = ui.rdf_descriptor->Type;

  4075. 

  4076. #ifndef BUILD_BRIDGE

  4077.         if (isBridged)

  4078.         {

  4079.             // -------------------------------------------------------

  4080.             // initialize ui bridge

  4081. 

  4082.             if (const char* const oscBinary = lv2bridge2str(uiType))

  4083.             {

  4084.                 gui.type = GUI_EXTERNAL_OSC;

  4085.                 osc.thread = new CarlaPluginThread(x_engine, this, CarlaPluginThread::PLUGIN_THREAD_LV2_GUI);

  4086.                 osc.thread->setOscData(oscBinary, descriptor->URI, ui.descriptor->URI);

  4087.             }

  4088.         }

  4089.         else

  4090. #endif

  4091.         {

  4092.             // -------------------------------------------------------

  4093.             // initialize ui features

  4094. 

  4095.             QString guiTitle = QString("%1 (GUI)").arg(m_name);

  4096. 

  4097.             LV2_Extension_Data_Feature* const uiDataFt = new LV2_Extension_Data_Feature;

  4098.             uiDataFt->data_access                      = descriptor->extension_data;

  4099. 

  4100.             LV2UI_Port_Map* const uiPortMapFt = new LV2UI_Port_Map;

  4101.             uiPortMapFt->handle               = this;

  4102.             uiPortMapFt->port_index           = carla_lv2_ui_port_map;

  4103. 

  4104.             LV2UI_Resize* const uiResizeFt    = new LV2UI_Resize;

  4105.             uiResizeFt->handle                = this;

  4106.             uiResizeFt->ui_resize             = carla_lv2_ui_resize;

  4107. 

  4108.             LV2_External_UI_Host* const uiExternalHostFt = new LV2_External_UI_Host;

  4109.             uiExternalHostFt->ui_closed                  = carla_lv2_external_ui_closed;

  4110.             uiExternalHostFt->plugin_human_id            = strdup(guiTitle.toUtf8().constData());

  4111. 

  4112.             features[lv2_feature_id_data_access]           = new LV2_Feature;

  4113.             features[lv2_feature_id_data_access]->URI      = LV2_DATA_ACCESS_URI;

  4114.             features[lv2_feature_id_data_access]->data     = uiDataFt;

  4115. 

  4116.             features[lv2_feature_id_instance_access]       = new LV2_Feature;

  4117.             features[lv2_feature_id_instance_access]->URI  = LV2_INSTANCE_ACCESS_URI;

  4118.             features[lv2_feature_id_instance_access]->data = handle;

  4119. 

  4120.             features[lv2_feature_id_ui_parent]             = new LV2_Feature;

  4121.             features[lv2_feature_id_ui_parent]->URI        = LV2_UI__parent;

  4122.             features[lv2_feature_id_ui_parent]->data       = nullptr;

  4123. 

  4124.             features[lv2_feature_id_ui_port_map]           = new LV2_Feature;

  4125.             features[lv2_feature_id_ui_port_map]->URI      = LV2_UI__portMap;

  4126.             features[lv2_feature_id_ui_port_map]->data     = uiPortMapFt;

  4127. 

  4128.             features[lv2_feature_id_ui_resize]             = new LV2_Feature;

  4129.             features[lv2_feature_id_ui_resize]->URI        = LV2_UI__resize;

  4130.             features[lv2_feature_id_ui_resize]->data       = uiResizeFt;

  4131. 

  4132.             features[lv2_feature_id_external_ui]           = new LV2_Feature;

  4133.             features[lv2_feature_id_external_ui]->URI      = LV2_EXTERNAL_UI__Host;

  4134.             features[lv2_feature_id_external_ui]->data     = uiExternalHostFt;

  4135. 

  4136.             features[lv2_feature_id_external_ui_old]       = new LV2_Feature;

  4137.             features[lv2_feature_id_external_ui_old]->URI  = LV2_EXTERNAL_UI_DEPRECATED_URI;

  4138.             features[lv2_feature_id_external_ui_old]->data = uiExternalHostFt;

  4139. 

  4140.             // -------------------------------------------------------

  4141.             // initialize ui

  4142. 

  4143.             switch (uiType)

  4144.             {

  4145.             case LV2_UI_QT4:

  4146.                 qDebug("Will use LV2 Qt4 UI");

  4147.                 gui.type      = GUI_INTERNAL_QT4;

  4148.                 gui.resizable = isUiResizable();

  4149.                 ui.handle     = ui.descriptor->instantiate(ui.descriptor, descriptor->URI, ui.rdf_descriptor->Bundle, carla_lv2_ui_write_function, this, &ui.widget, features);

  4150.                 m_hints      |= PLUGIN_USES_SINGLE_THREAD;

  4151.                 break;

  4152. 

  4153.             case LV2_UI_COCOA:

  4154.                 qDebug("Will use LV2 Cocoa UI");

  4155.                 gui.type      = GUI_INTERNAL_COCOA;

  4156.                 gui.resizable = isUiResizable();

  4157.                 break;

  4158. 

  4159.             case LV2_UI_WINDOWS:

  4160.                 qDebug("Will use LV2 Windows UI");

  4161.                 gui.type      = GUI_INTERNAL_HWND;

  4162.                 gui.resizable = isUiResizable();

  4163.                 break;

  4164. 

  4165.             case LV2_UI_X11:

  4166.                 qDebug("Will use LV2 X11 UI");

  4167.                 gui.type      = GUI_INTERNAL_X11;

  4168.                 gui.resizable = isUiResizable();

  4169.                 break;

  4170. 

  4171.             case LV2_UI_GTK2:

  4172. #ifdef HAVE_SUIL

  4173.                 qDebug("Will use LV2 Gtk2 UI (suil)");

  4174.                 gui.type      = GUI_EXTERNAL_SUIL;

  4175.                 gui.resizable = isUiResizable();

  4176.                 suil.handle   = suil_instance_new(suil.host, this, LV2_UI__Qt4UI, rdf_descriptor->URI, ui.rdf_descriptor->URI, get_lv2_ui_uri(ui.rdf_descriptor->Type), ui.rdf_descriptor->Bundle, ui.rdf_descriptor->Binary, features);

  4177.                 m_hints      |= PLUGIN_USES_SINGLE_THREAD;

  4178. 

  4179.                 if (suil.handle)

  4180.                 {

  4181.                     ui.handle     = ((SuilInstanceImpl*)suil.handle)->handle;

  4182.                     ui.descriptor = ((SuilInstanceImpl*)suil.handle)->descriptor;

  4183.                     ui.widget     = suil_instance_get_widget(suil.handle);

  4184. 

  4185.                     if (ui.widget)

  4186.                     {

  4187.                         QWidget* const widget = (QWidget*)ui.widget;

  4188.                         widget->setWindowTitle(guiTitle);

  4189.                     }

  4190.                 }

  4191. #else

  4192.                 qDebug("Will use LV2 Gtk2 UI, NOT!");

  4193. #endif

  4194.                 break;

  4195. 

  4196.             case LV2_UI_GTK3:

  4197.                 qDebug("Will use LV2 Gtk3 UI, NOT!");

  4198.                 break;

  4199. 

  4200.             case LV2_UI_EXTERNAL:

  4201.             case LV2_UI_OLD_EXTERNAL:

  4202.                 qDebug("Will use LV2 External UI");

  4203.                 gui.type = GUI_EXTERNAL_LV2;

  4204.                 break;

  4205.             }

  4206.         }

  4207. 

  4208.         if (gui.type != GUI_NONE)

  4209.             m_hints |= PLUGIN_HAS_GUI;

  4210. 

  4211.         return true;

  4212.     }

  4213. 

  4214. private:

  4215.     LV2_Handle handle, h2;

  4216.     const LV2_Descriptor* descriptor;

  4217.     const LV2_RDF_Descriptor* rdf_descriptor;

  4218.     LV2_Feature* features[lv2_feature_count+1];

  4219. 

  4220.     struct {

  4221.         const LV2_State_Interface* state;

  4222.         const LV2_Worker_Interface* worker;

  4223.         const LV2_Programs_Interface* programs;

  4224.         const LV2_Programs_UI_Interface* uiprograms;

  4225.     } ext;

  4226. 

  4227.     struct {

  4228.         void* lib;

  4229.         LV2UI_Handle handle;

  4230.         LV2UI_Widget widget;

  4231.         const LV2UI_Descriptor* descriptor;

  4232.         const LV2_RDF_UI* rdf_descriptor;

  4233.     } ui;

  4234. 

  4235.     struct {

  4236.         GuiType type;

  4237.         bool resizable;

  4238.         int width;

  4239.         int height;

  4240.     } gui;

  4241. 

  4242. #ifdef HAVE_SUIL

  4243.     struct {

  4244.         SuilHost* host;

  4245.         SuilInstance* handle;

  4246.         QByteArray pos;

  4247.     } suil;

  4248. #endif

  4249. 

  4250.     Lv2PluginEventData evIn;

  4251.     Lv2PluginEventData evOut;

  4252.     float* paramBuffers;

  4253.     std::vector<const char*> customURIDs;

  4254. };

  4255. 

  4256. CarlaPlugin* CarlaPlugin::newLV2(const initializer& init)

  4257. {

  4258.     qDebug("CarlaPlugin::newLV2(%p, \"%s\", \"%s\", \"%s\")", init.engine, init.filename, init.name, init.label);

  4259. 

  4260.     short id = init.engine->getNewPluginId();

  4261. 

  4262.     if (id < 0 || id > CarlaEngine::maxPluginNumber())

  4263.     {

  4264.         setLastError("Maximum number of plugins reached");

  4265.         return nullptr;

  4266.     }

  4267. 

  4268.     Lv2Plugin* const plugin = new Lv2Plugin(init.engine, id);

  4269. 

  4270.     if (! plugin->init(init.filename, init.name, init.label))

  4271.     {

  4272.         delete plugin;

  4273.         return nullptr;

  4274.     }

  4275. 

  4276.     plugin->reload();

  4277. 

  4278. #ifndef BUILD_BRIDGE

  4279.     if (carlaOptions.processMode == PROCESS_MODE_CONTINUOUS_RACK)

  4280.     {

  4281.         const uint32_t ins  = plugin->audioInCount();

  4282.         const uint32_t outs = plugin->audioOutCount();

  4283. 

  4284.         if (ins > 2 || outs > 2 || (ins != outs && ins != 0 && outs != 0))

  4285.         {

  4286.             setLastError("Carla's rack mode can only work with Mono or Stereo LV2 plugins, sorry!");

  4287.             delete plugin;

  4288.             return nullptr;

  4289.         }

  4290.     }

  4291. #endif

  4292. 

  4293.     plugin->registerToOsc();

  4294.     plugin->updateUi();

  4295. 

  4296.     return plugin;

  4297. }

  4298. 

  4299. /**@}*/

  4300. 

  4301. // -------------------------------------------------------------------------------------------------------------------

  4302. 

  4303. int CarlaOsc::handle_lv2_atom_transfer(CARLA_OSC_HANDLE_ARGS2)

  4304. {

  4305.     qDebug("CarlaOsc::handle_lv2_atom_transfer()");

  4306.     CARLA_OSC_CHECK_OSC_TYPES(2, "ss");

  4307. 

  4308.     const char* const type  = (const char*)&argv[0]->s;

  4309.     const char* const value = (const char*)&argv[1]->s;

  4310. 

  4311.     QByteArray chunk;

  4312.     chunk = QByteArray::fromBase64(value);

  4313. 

  4314.     const LV2_Atom* const atom = (LV2_Atom*)chunk.constData();

  4315. 

  4316.     CarlaBackend::Lv2Plugin* const lv2plugin = (CarlaBackend::Lv2Plugin*)plugin;

  4317.     lv2plugin->handleTransferAtom(atom, type);

  4318. 

  4319.     return 0;

  4320. }

  4321. 

  4322. int CarlaOsc::handle_lv2_event_transfer(CARLA_OSC_HANDLE_ARGS2)

  4323. {

  4324.     qDebug("CarlaOsc::handle_lv2_event_transfer()");

  4325.     CARLA_OSC_CHECK_OSC_TYPES(2, "ss");

  4326. 

  4327.     const char* const type  = (const char*)&argv[0]->s;

  4328.     const char* const value = (const char*)&argv[1]->s;

  4329. 

  4330.     QByteArray chunk;

  4331.     chunk = QByteArray::fromBase64(value);

  4332. 

  4333.     const LV2_Atom* const atom = (LV2_Atom*)chunk.constData();

  4334. 

  4335.     CarlaBackend::Lv2Plugin* const lv2plugin = (CarlaBackend::Lv2Plugin*)plugin;

  4336.     lv2plugin->handleTransferEvent(atom, type);

  4337. 

  4338.     return 0;

  4339. }

  4340. 

  4341. CARLA_BACKEND_END_NAMESPACE