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

  306.             case GUI_EXTERNAL_SUIL:

  307.                 if (ui.widget)

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

  309.                 break;

  310. #endif

  311. 

  312. #ifndef BUILD_BRIDGE

  313.             case GUI_EXTERNAL_OSC:

  314.                 if (osc.data.target)

  315.                 {

  316.                     osc_send_hide(&osc.data);

  317.                     osc_send_quit(&osc.data);

  318.                 }

  319. 

  320.                 if (osc.thread)

  321.                 {

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

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

  324.                     {

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

  326.                         osc.thread->terminate();

  327.                     }

  328. 

  329.                     delete osc.thread;

  330.                 }

  331. 

  332.                 break;

  333. #endif

  334.             }

  335. 

  336. #ifdef HAVE_SUIL

  337.             if (suil.handle)

  338.             {

  339.                 suil_instance_free(suil.handle);

  340. 

  341.                 if (suil.host)

  342.                     suil_host_free(suil.host);

  343. 

  344.                 ui.handle = nullptr;

  345.                 ui.descriptor = nullptr;

  346.             }

  347. #endif

  348. 

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

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

  351. 

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

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

  354. 

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

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

  357. 

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

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

  360. 

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

  362.             {

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

  364. 

  365.                 if (uiHost->plugin_human_id)

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

  367. 

  368.                 delete uiHost;

  369.             }

  370. 

  371.             uiLibClose();

  372.         }

  373. 

  374.         if (descriptor)

  375.         {

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

  377.             {

  378.                 if (handle)

  379.                     descriptor->deactivate(handle);

  380.                 if (h2)

  381.                     descriptor->deactivate(h2);

  382.             }

  383. 

  384.             if (descriptor->cleanup)

  385.             {

  386.                 if (handle)

  387.                     descriptor->cleanup(handle);

  388.                 if (h2)

  389.                     descriptor->cleanup(h2);

  390.             }

  391.         }

  392. 

  393.         if (rdf_descriptor)

  394.             lv2_rdf_free(rdf_descriptor);

  395. 

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

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

  398. 

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

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

  401. 

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

  403.         {

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

  405.             delete[] options;

  406.         }

  407. 

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

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

  410. 

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

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

  413. 

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

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

  416. 

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

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

  419. 

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

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

  422. 

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

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

  425. 

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

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

  428. 

  429. #ifndef BUILD_BRIDGE

  430.         if (! carlaOptions.processHighPrecision)

  431. #endif

  432.         {

  433.             features[lv2_feature_id_bufsize_fixed]    = nullptr;

  434.             features[lv2_feature_id_bufsize_powerof2] = nullptr;

  435.         }

  436. 

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

  438.         {

  439.             if (features[i])

  440.                 delete features[i];

  441.         }

  442. 

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

  444.         {

  445.             if (customURIDs[i])

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

  447.         }

  448. 

  449.         customURIDs.clear();

  450.     }

  451. 

  452.     // -------------------------------------------------------------------

  453.     // Information (base)

  454. 

  455.     PluginCategory category()

  456.     {

  457.         Q_ASSERT(rdf_descriptor);

  458. 

  459.         LV2_Property category = rdf_descriptor->Type;

  460. 

  461.         if (LV2_IS_DELAY(category))

  462.             return PLUGIN_CATEGORY_DELAY;

  463.         if (LV2_IS_DISTORTION(category))

  464.             return PLUGIN_CATEGORY_OTHER;

  465.         if (LV2_IS_DYNAMICS(category))

  466.             return PLUGIN_CATEGORY_DYNAMICS;

  467.         if (LV2_IS_EQ(category))

  468.             return PLUGIN_CATEGORY_EQ;

  469.         if (LV2_IS_FILTER(category))

  470.             return PLUGIN_CATEGORY_FILTER;

  471.         if (LV2_IS_GENERATOR(category))

  472.             return PLUGIN_CATEGORY_SYNTH;

  473.         if (LV2_IS_MODULATOR(category))

  474.             return PLUGIN_CATEGORY_MODULATOR;

  475.         if (LV2_IS_REVERB(category))

  476.             return PLUGIN_CATEGORY_DELAY;

  477.         if (LV2_IS_SIMULATOR(category))

  478.             return PLUGIN_CATEGORY_OTHER;

  479.         if (LV2_IS_SPATIAL(category))

  480.             return PLUGIN_CATEGORY_OTHER;

  481.         if (LV2_IS_SPECTRAL(category))

  482.             return PLUGIN_CATEGORY_UTILITY;

  483.         if (LV2_IS_UTILITY(category))

  484.             return PLUGIN_CATEGORY_UTILITY;

  485. 

  486.         return getPluginCategoryFromName(m_name);

  487.     }

  488. 

  489.     long uniqueId()

  490.     {

  491.         Q_ASSERT(rdf_descriptor);

  492. 

  493.         return rdf_descriptor->UniqueID;

  494.     }

  495. 

  496.     // -------------------------------------------------------------------

  497.     // Information (count)

  498. 

  499.     uint32_t midiInCount()

  500.     {

  501.         uint32_t i, count = 0;

  502. 

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

  504.         {

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

  506.                 count += 1;

  507.         }

  508. 

  509.         return count;

  510.     }

  511. 

  512.     uint32_t midiOutCount()

  513.     {

  514.         uint32_t i, count = 0;

  515. 

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

  517.         {

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

  519.                 count += 1;

  520.         }

  521. 

  522.         return count;

  523.     }

  524. 

  525.     uint32_t parameterScalePointCount(const uint32_t parameterId)

  526.     {

  527.         Q_ASSERT(parameterId < param.count);

  528.         Q_ASSERT(rdf_descriptor);

  529. 

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

  531. 

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

  533.         {

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

  535. 

  536.             if (port)

  537.                 return port->ScalePointCount;

  538.         }

  539. 

  540.         return 0;

  541.     }

  542. 

  543.     // -------------------------------------------------------------------

  544.     // Information (per-plugin data)

  545. 

  546.     double getParameterValue(const uint32_t parameterId)

  547.     {

  548.         Q_ASSERT(parameterId < param.count);

  549. 

  550.         return paramBuffers[parameterId];

  551.     }

  552. 

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

  554.     {

  555.         Q_ASSERT(parameterId < param.count);

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

  557. 

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

  559. 

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

  561.         {

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

  563. 

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

  565.             {

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

  567. 

  568.                 if (portScalePoint)

  569.                     return portScalePoint->Value;

  570.             }

  571.         }

  572. 

  573.         return 0.0;

  574.     }

  575. 

  576.     void getLabel(char* const strBuf)

  577.     {

  578.         Q_ASSERT(rdf_descriptor);

  579. 

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

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

  582.         else

  583.             CarlaPlugin::getLabel(strBuf);

  584.     }

  585. 

  586.     void getMaker(char* const strBuf)

  587.     {

  588.         Q_ASSERT(rdf_descriptor);

  589. 

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

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

  592.         else

  593.             CarlaPlugin::getMaker(strBuf);

  594.     }

  595. 

  596.     void getCopyright(char* const strBuf)

  597.     {

  598.         Q_ASSERT(rdf_descriptor);

  599. 

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

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

  602.         else

  603.             CarlaPlugin::getCopyright(strBuf);

  604.     }

  605. 

  606.     void getRealName(char* const strBuf)

  607.     {

  608.         Q_ASSERT(rdf_descriptor);

  609. 

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

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

  612.         else

  613.             CarlaPlugin::getRealName(strBuf);

  614.     }

  615. 

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

  617.     {

  618.         Q_ASSERT(rdf_descriptor);

  619.         Q_ASSERT(parameterId < param.count);

  620. 

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

  622. 

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

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

  625.         else

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

  627.     }

  628. 

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

  630.     {

  631.         Q_ASSERT(rdf_descriptor);

  632.         Q_ASSERT(parameterId < param.count);

  633. 

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

  635. 

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

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

  638.         else

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

  640.     }

  641. 

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

  643.     {

  644.         Q_ASSERT(rdf_descriptor);

  645.         Q_ASSERT(parameterId < param.count);

  646. 

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

  648. 

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

  650.         {

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

  652. 

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

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

  655. 

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

  657.             {

  658.                 switch (port->Unit.Type)

  659.                 {

  660.                 case LV2_UNIT_BAR:

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

  662.                     return;

  663.                 case LV2_UNIT_BEAT:

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

  665.                     return;

  666.                 case LV2_UNIT_BPM:

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

  668.                     return;

  669.                 case LV2_UNIT_CENT:

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

  671.                     return;

  672.                 case LV2_UNIT_CM:

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

  674.                     return;

  675.                 case LV2_UNIT_COEF:

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

  677.                     return;

  678.                 case LV2_UNIT_DB:

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

  680.                     return;

  681.                 case LV2_UNIT_DEGREE:

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

  683.                     return;

  684.                 case LV2_UNIT_FRAME:

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

  686.                     return;

  687.                 case LV2_UNIT_HZ:

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

  689.                     return;

  690.                 case LV2_UNIT_INCH:

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

  692.                     return;

  693.                 case LV2_UNIT_KHZ:

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

  695.                     return;

  696.                 case LV2_UNIT_KM:

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

  698.                     return;

  699.                 case LV2_UNIT_M:

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

  701.                     return;

  702.                 case LV2_UNIT_MHZ:

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

  704.                     return;

  705.                 case LV2_UNIT_MIDINOTE:

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

  707.                     return;

  708.                 case LV2_UNIT_MILE:

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

  710.                     return;

  711.                 case LV2_UNIT_MIN:

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

  713.                     return;

  714.                 case LV2_UNIT_MM:

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

  716.                     return;

  717.                 case LV2_UNIT_MS:

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

  719.                     return;

  720.                 case LV2_UNIT_OCT:

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

  722.                     return;

  723.                 case LV2_UNIT_PC:

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

  725.                     return;

  726.                 case LV2_UNIT_S:

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

  728.                     return;

  729.                 case LV2_UNIT_SEMITONE:

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

  731.                     return;

  732.                 }

  733.             }

  734.         }

  735. 

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

  737.     }

  738. 

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

  740.     {

  741.         Q_ASSERT(rdf_descriptor);

  742.         Q_ASSERT(parameterId < param.count);

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

  744. 

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

  746. 

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

  748.         {

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

  750. 

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

  752.             {

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

  754. 

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

  756.                 {

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

  758.                     return;

  759.                 }

  760.             }

  761.         }

  762. 

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

  764.     }

  765. 

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

  767.     {

  768.         Q_ASSERT(type);

  769.         Q_ASSERT(resizable);

  770. 

  771.         *type      = gui.type;

  772.         *resizable = gui.resizable;

  773.     }

  774. 

  775.     // -------------------------------------------------------------------

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

  777. 

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

  779.     {

  780.         Q_ASSERT(parameterId < param.count);

  781. 

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

  783. 

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

  785.     }

  786. 

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

  788.     {

  789.         Q_ASSERT(type != CUSTOM_DATA_INVALID);

  790.         Q_ASSERT(key);

  791.         Q_ASSERT(value);

  792. 

  793.         if (type == CUSTOM_DATA_INVALID)

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

  795. 

  796.         if (! key)

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

  798. 

  799.         if (! value)

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

  801. 

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

  803. 

  804.         if (ext.state)

  805.         {

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

  807.             LV2_State_Status status;

  808. 

  809.             if (x_engine->isOffline())

  810.             {

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

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

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

  814.             }

  815.             else

  816.             {

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

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

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

  820.             }

  821. 

  822.             switch (status)

  823.             {

  824.             case LV2_STATE_SUCCESS:

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

  826.                 break;

  827.             case LV2_STATE_ERR_UNKNOWN:

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

  829.                 break;

  830.             case LV2_STATE_ERR_BAD_TYPE:

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

  832.                 break;

  833.             case LV2_STATE_ERR_BAD_FLAGS:

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

  835.                 break;

  836.             case LV2_STATE_ERR_NO_FEATURE:

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

  838.                 break;

  839.             case LV2_STATE_ERR_NO_PROPERTY:

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

  841.                 break;

  842.             }

  843.         }

  844. 

  845.         if (sendGui)

  846.         {

  847.             CustomData cdata;

  848.             cdata.type  = type;

  849.             cdata.key   = key;

  850.             cdata.value = value;

  851.             uiTransferEvent(&cdata);

  852.         }

  853.     }

  854. 

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

  856.     {

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

  858. 

  859.         if (index < -1)

  860.             index = -1;

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

  862.             return;

  863. 

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

  865.         {

  866.             if (x_engine->isOffline())

  867.             {

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

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

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

  871.             }

  872.             else

  873.             {

  874.                 const ScopedDisabler m(this, block);

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

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

  877.             }

  878.         }

  879. 

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

  881.     }

  882. 

  883.     // -------------------------------------------------------------------

  884.     // Set gui stuff

  885. 

  886.     void setGuiData(const int, const GuiDataHandle handle)

  887.     {

  888.         switch(gui.type)

  889.         {

  890.         case GUI_NONE:

  891.             break;

  892. 

  893. #ifndef __WINE__

  894.         case GUI_INTERNAL_QT4:

  895.             if (ui.widget)

  896.             {

  897.                 QDialog* const dialog = handle;

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

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

  900.                 widget->adjustSize();

  901.                 widget->setParent(dialog);

  902.                 widget->show();

  903.             }

  904.             break;

  905. #endif

  906. 

  907.         case GUI_INTERNAL_COCOA:

  908.         case GUI_INTERNAL_HWND:

  909.         case GUI_INTERNAL_X11:

  910.             if (ui.descriptor)

  911.             {

  912. #ifdef __WINE__

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

  914. #else

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

  916. #endif

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

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

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

  920.                 updateUi();

  921.             }

  922.             break;

  923. 

  924.         case GUI_EXTERNAL_LV2:

  925.         case GUI_EXTERNAL_SUIL:

  926.         case GUI_EXTERNAL_OSC:

  927.             break;

  928.         }

  929.     }

  930. 

  931.     void showGui(const bool yesNo)

  932.     {

  933.         switch(gui.type)

  934.         {

  935.         case GUI_NONE:

  936.         case GUI_INTERNAL_QT4:

  937.             break;

  938. 

  939.         case GUI_INTERNAL_COCOA:

  940.         case GUI_INTERNAL_HWND:

  941.         case GUI_INTERNAL_X11:

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

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

  944.             break;

  945. 

  946.         case GUI_EXTERNAL_LV2:

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

  948.                 initExternalUi();

  949. 

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

  951.             {

  952.                 if (yesNo)

  953.                 {

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

  955.                 }

  956.                 else

  957.                 {

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

  959. 

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

  961.                     {

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

  963. 

  964.                         if (ui.descriptor->cleanup)

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

  966. 

  967.                         ui.handle = nullptr;

  968.                     }

  969.                 }

  970.             }

  971.             else

  972.                 // failed to init UI

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

  974. 

  975.             break;

  976. 

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

  978.         case GUI_EXTERNAL_SUIL:

  979.             if (ui.widget)

  980.             {

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

  982. 

  983.                 if (yesNo)

  984.                 {

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

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

  987.                 }

  988.                 else

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

  990. 

  991.                 widget->setVisible(yesNo);

  992.             }

  993.             break;

  994. #endif

  995. 

  996. #ifndef BUILD_BRIDGE

  997.         case GUI_EXTERNAL_OSC:

  998.             Q_ASSERT(osc.thread);

  999. 

  1000.             if (! osc.thread)

  1001.             {

  1002.                 qCritical("Lv2Plugin::showGui(%s) - attempt to show gui, but it does not exist!", bool2str(yesNo));

  1003.                 return;

  1004.             }

  1005. 

  1006.             if (yesNo)

  1007.             {

  1008.                 osc.thread->start();

  1009.             }

  1010.             else

  1011.             {

  1012.                 osc_send_hide(&osc.data);

  1013.                 osc_send_quit(&osc.data);

  1014.                 osc_clear_data(&osc.data);

  1015. 

  1016.                 if (! osc.thread->wait(500))

  1017.                     osc.thread->quit();

  1018.             }

  1019.             break;

  1020. #endif

  1021.         }

  1022.     }

  1023. 

  1024.     void idleGui()

  1025.     {

  1026.         // Update external UI

  1027.         if (gui.type == GUI_EXTERNAL_LV2 && ui.handle && ui.descriptor && ui.widget)

  1028.             LV2_EXTERNAL_UI_RUN((LV2_External_UI_Widget*)ui.widget);

  1029. 

  1030.         CarlaPlugin::idleGui();

  1031.     }

  1032. 

  1033.     // -------------------------------------------------------------------

  1034.     // Plugin state

  1035. 

  1036.     void reload()

  1037.     {

  1038.         qDebug("Lv2Plugin::reload() - start");

  1039. 

  1040.         // Safely disable plugin for reload

  1041.         const ScopedDisabler m(this);

  1042. 

  1043.         if (x_client->isActive())

  1044.             x_client->deactivate();

  1045. 

  1046.         // Remove client ports

  1047.         removeClientPorts();

  1048. 

  1049.         // Delete old data

  1050.         deleteBuffers();

  1051. 

  1052.         uint32_t aIns, aOuts, cvIns, cvOuts, params, j;

  1053.         aIns = aOuts = cvIns = cvOuts = params = 0;

  1054.         std::vector<uint32_t> evIns, evOuts;

  1055. 

  1056.         const double sampleRate  = x_engine->getSampleRate();

  1057.         const uint32_t portCount = rdf_descriptor->PortCount;

  1058. 

  1059.         bool forcedStereoIn, forcedStereoOut;

  1060.         forcedStereoIn = forcedStereoOut = false;

  1061. 

  1062.         for (uint32_t i=0; i < portCount; i++)

  1063.         {

  1064.             const LV2_Property portType = rdf_descriptor->Ports[i].Type;

  1065. 

  1066.             if (LV2_IS_PORT_AUDIO(portType))

  1067.             {

  1068.                 if (LV2_IS_PORT_INPUT(portType))

  1069.                     aIns += 1;

  1070.                 else if (LV2_IS_PORT_OUTPUT(portType))

  1071.                     aOuts += 1;

  1072.             }

  1073.             else if (LV2_IS_PORT_CV(portType))

  1074.             {

  1075.                 if (LV2_IS_PORT_INPUT(portType))

  1076.                     cvIns += 1;

  1077.                 else if (LV2_IS_PORT_OUTPUT(portType))

  1078.                     cvOuts += 1;

  1079.             }

  1080.             else if (LV2_IS_PORT_ATOM_SEQUENCE(portType))

  1081.             {

  1082.                 if (LV2_IS_PORT_INPUT(portType))

  1083.                     evIns.push_back(CARLA_EVENT_DATA_ATOM);

  1084.                 else if (LV2_IS_PORT_OUTPUT(portType))

  1085.                     evOuts.push_back(CARLA_EVENT_DATA_ATOM);

  1086.             }

  1087.             else if (LV2_IS_PORT_EVENT(portType))

  1088.             {

  1089.                 if (LV2_IS_PORT_INPUT(portType))

  1090.                     evIns.push_back(CARLA_EVENT_DATA_EVENT);

  1091.                 else if (LV2_IS_PORT_OUTPUT(portType))

  1092.                     evOuts.push_back(CARLA_EVENT_DATA_EVENT);

  1093.             }

  1094.             else if (LV2_IS_PORT_MIDI_LL(portType))

  1095.             {

  1096.                 if (LV2_IS_PORT_INPUT(portType))

  1097.                     evIns.push_back(CARLA_EVENT_DATA_MIDI_LL);

  1098.                 else if (LV2_IS_PORT_OUTPUT(portType))

  1099.                     evOuts.push_back(CARLA_EVENT_DATA_MIDI_LL);

  1100.             }

  1101.             else if (LV2_IS_PORT_CONTROL(portType))

  1102.                 params += 1;

  1103.         }

  1104. 

  1105.         if (carlaOptions.forceStereo && (aIns == 1 || aOuts == 1) && ! h2)

  1106.         {

  1107.             h2 = descriptor->instantiate(descriptor, sampleRate, rdf_descriptor->Bundle, features);

  1108. 

  1109.             if (aIns == 1)

  1110.             {

  1111.                 aIns = 2;

  1112.                 forcedStereoIn = true;

  1113.             }

  1114. 

  1115.             if (aOuts == 1)

  1116.             {

  1117.                 aOuts = 2;

  1118.                 forcedStereoOut = true;

  1119.             }

  1120.         }

  1121. 

  1122.         if (aIns > 0)

  1123.         {

  1124.             aIn.ports    = new CarlaEngineAudioPort*[aIns];

  1125.             aIn.rindexes = new uint32_t[aIns];

  1126.         }

  1127. 

  1128.         if (aOuts > 0)

  1129.         {

  1130.             aOut.ports    = new CarlaEngineAudioPort*[aOuts];

  1131.             aOut.rindexes = new uint32_t[aOuts];

  1132.         }

  1133. 

  1134.         if (evIns.size() > 0)

  1135.         {

  1136.             const size_t size = evIns.size();

  1137.             evIn.data = new Lv2EventData[size];

  1138. 

  1139.             for (j=0; j < size; j++)

  1140.             {

  1141.                 evIn.data[j].port = nullptr;

  1142.                 evIn.data[j].type = 0;

  1143. 

  1144.                 if (evIns[j] == CARLA_EVENT_DATA_ATOM)

  1145.                 {

  1146.                     evIn.data[j].type = CARLA_EVENT_DATA_ATOM;

  1147.                     evIn.data[j].atom = (LV2_Atom_Sequence*)malloc(sizeof(LV2_Atom_Sequence) + MAX_EVENT_BUFFER);

  1148.                     evIn.data[j].atom->atom.size = sizeof(LV2_Atom_Sequence_Body);

  1149.                     evIn.data[j].atom->atom.type = CARLA_URI_MAP_ID_ATOM_SEQUENCE;

  1150.                     evIn.data[j].atom->body.unit = CARLA_URI_MAP_ID_NULL;

  1151.                     evIn.data[j].atom->body.pad  = 0;

  1152.                 }

  1153.                 else if (evIns[j] == CARLA_EVENT_DATA_EVENT)

  1154.                 {

  1155.                     evIn.data[j].type  = CARLA_EVENT_DATA_EVENT;

  1156.                     evIn.data[j].event = lv2_event_buffer_new(MAX_EVENT_BUFFER, LV2_EVENT_AUDIO_STAMP);

  1157.                 }

  1158.                 else if (evIns[j] == CARLA_EVENT_DATA_MIDI_LL)

  1159.                 {

  1160.                     evIn.data[j].type  = CARLA_EVENT_DATA_MIDI_LL;

  1161.                     evIn.data[j].midi  = new LV2_MIDI;

  1162.                     evIn.data[j].midi->capacity = MAX_EVENT_BUFFER;

  1163.                     evIn.data[j].midi->data     = new unsigned char [MAX_EVENT_BUFFER];

  1164.                 }

  1165.             }

  1166.         }

  1167. 

  1168.         if (evOuts.size() > 0)

  1169.         {

  1170.             const size_t size = evOuts.size();

  1171.             evOut.data = new Lv2EventData[size];

  1172. 

  1173.             for (j=0; j < size; j++)

  1174.             {

  1175.                 evOut.data[j].port = nullptr;

  1176.                 evOut.data[j].type = 0;

  1177. 

  1178.                 if (evOuts[j] == CARLA_EVENT_DATA_ATOM)

  1179.                 {

  1180.                     evOut.data[j].type = CARLA_EVENT_DATA_ATOM;

  1181.                     evOut.data[j].atom = (LV2_Atom_Sequence*)malloc(sizeof(LV2_Atom_Sequence) + MAX_EVENT_BUFFER);

  1182.                     evOut.data[j].atom->atom.size = sizeof(LV2_Atom_Sequence_Body);

  1183.                     evOut.data[j].atom->atom.type = CARLA_URI_MAP_ID_ATOM_SEQUENCE;

  1184.                     evOut.data[j].atom->body.unit = CARLA_URI_MAP_ID_NULL;

  1185.                     evOut.data[j].atom->body.pad  = 0;

  1186.                 }

  1187.                 else if (evOuts[j] == CARLA_EVENT_DATA_EVENT)

  1188.                 {

  1189.                     evOut.data[j].type  = CARLA_EVENT_DATA_EVENT;

  1190.                     evOut.data[j].event = lv2_event_buffer_new(MAX_EVENT_BUFFER, LV2_EVENT_AUDIO_STAMP);

  1191.                 }

  1192.                 else if (evOuts[j] == CARLA_EVENT_DATA_MIDI_LL)

  1193.                 {

  1194.                     evOut.data[j].type  = CARLA_EVENT_DATA_MIDI_LL;

  1195.                     evOut.data[j].midi  = new LV2_MIDI;

  1196.                     evOut.data[j].midi->capacity = MAX_EVENT_BUFFER;

  1197.                     evOut.data[j].midi->data     = new unsigned char [MAX_EVENT_BUFFER];

  1198.                 }

  1199.             }

  1200.         }

  1201. 

  1202.         if (params > 0)

  1203.         {

  1204.             param.data   = new ParameterData[params];

  1205.             param.ranges = new ParameterRanges[params];

  1206.             paramBuffers = new float[params];

  1207.         }

  1208. 

  1209.         const int portNameSize = CarlaEngine::maxPortNameSize() - 1;

  1210.         char portName[portNameSize];

  1211.         bool needsCtrlIn  = false;

  1212.         bool needsCtrlOut = false;

  1213. 

  1214.         for (uint32_t i=0; i < portCount; i++)

  1215.         {

  1216.             const LV2_Property portType = rdf_descriptor->Ports[i].Type;

  1217. 

  1218.             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))

  1219.             {

  1220. #ifndef BUILD_BRIDGE

  1221.                 if (carlaOptions.processMode != PROCESS_MODE_MULTIPLE_CLIENTS)

  1222.                 {

  1223.                     strcpy(portName, m_name);

  1224.                     strcat(portName, ":");

  1225.                     strncat(portName, rdf_descriptor->Ports[i].Name, portNameSize/2);

  1226.                 }

  1227.                 else

  1228. #endif

  1229.                     strncpy(portName, rdf_descriptor->Ports[i].Name, portNameSize);

  1230.             }

  1231. 

  1232.             if (LV2_IS_PORT_AUDIO(portType))

  1233.             {

  1234.                 if (LV2_IS_PORT_INPUT(portType))

  1235.                 {

  1236.                     j = aIn.count++;

  1237.                     aIn.ports[j]    = (CarlaEngineAudioPort*)x_client->addPort(CarlaEnginePortTypeAudio, portName, true);

  1238.                     aIn.rindexes[j] = i;

  1239. 

  1240.                     if (forcedStereoIn)

  1241.                     {

  1242.                         strcat(portName, "_");

  1243.                         aIn.ports[1]    = (CarlaEngineAudioPort*)x_client->addPort(CarlaEnginePortTypeAudio, portName, true);

  1244.                         aIn.rindexes[1] = i;

  1245.                     }

  1246.                 }

  1247.                 else if (LV2_IS_PORT_OUTPUT(portType))

  1248.                 {

  1249.                     j = aOut.count++;

  1250.                     aOut.ports[j]    = (CarlaEngineAudioPort*)x_client->addPort(CarlaEnginePortTypeAudio, portName, false);

  1251.                     aOut.rindexes[j] = i;

  1252.                     needsCtrlIn = true;

  1253. 

  1254.                     if (forcedStereoOut)

  1255.                     {

  1256.                         strcat(portName, "_");

  1257.                         aOut.ports[1]    = (CarlaEngineAudioPort*)x_client->addPort(CarlaEnginePortTypeAudio, portName, false);

  1258.                         aOut.rindexes[1] = i;

  1259.                     }

  1260.                 }

  1261.                 else

  1262.                     qWarning("WARNING - Got a broken Port (Audio, but not input or output)");

  1263.             }

  1264.             else if (LV2_IS_PORT_CV(portType))

  1265.             {

  1266.                 if (LV2_IS_PORT_INPUT(portType))

  1267.                 {

  1268.                     qWarning("WARNING - CV Ports are not supported yet");

  1269.                 }

  1270.                 else if (LV2_IS_PORT_OUTPUT(portType))

  1271.                 {

  1272.                     qWarning("WARNING - CV Ports are not supported yet");

  1273.                 }

  1274.                 else

  1275.                     qWarning("WARNING - Got a broken Port (CV, but not input or output)");

  1276. 

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

  1278.                 if (h2) descriptor->connect_port(h2, i, nullptr);

  1279.             }

  1280.             else if (LV2_IS_PORT_ATOM_SEQUENCE(portType))

  1281.             {

  1282.                 if (LV2_IS_PORT_INPUT(portType))

  1283.                 {

  1284.                     j = evIn.count++;

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

  1286.                     if (h2) descriptor->connect_port(h2, i, evIn.data[j].atom);

  1287. 

  1288.                     if (portType & LV2_PORT_SUPPORTS_MIDI_EVENT)

  1289.                     {

  1290.                         evIn.data[j].type |= CARLA_EVENT_TYPE_MIDI;

  1291.                         evIn.data[j].port  = (CarlaEngineMidiPort*)x_client->addPort(CarlaEnginePortTypeMIDI, portName, true);

  1292.                     }

  1293.                     if (portType & LV2_PORT_SUPPORTS_PATCH_MESSAGE)

  1294.                     {

  1295.                         evIn.data[j].type |= CARLA_EVENT_TYPE_MESSAGE;

  1296.                     }

  1297.                 }

  1298.                 else if (LV2_IS_PORT_OUTPUT(portType))

  1299.                 {

  1300.                     j = evOut.count++;

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

  1302.                     if (h2) descriptor->connect_port(h2, i, evOut.data[j].atom);

  1303. 

  1304.                     if (portType & LV2_PORT_SUPPORTS_MIDI_EVENT)

  1305.                     {

  1306.                         evOut.data[j].type |= CARLA_EVENT_TYPE_MIDI;

  1307.                         evOut.data[j].port  = (CarlaEngineMidiPort*)x_client->addPort(CarlaEnginePortTypeMIDI, portName, false);

  1308.                     }

  1309.                     if (portType & LV2_PORT_SUPPORTS_PATCH_MESSAGE)

  1310.                     {

  1311.                         evOut.data[j].type |= CARLA_EVENT_TYPE_MESSAGE;

  1312.                     }

  1313.                 }

  1314.                 else

  1315.                     qWarning("WARNING - Got a broken Port (Atom Sequence, but not input or output)");

  1316.             }

  1317.             else if (LV2_IS_PORT_EVENT(portType))

  1318.             {

  1319.                 if (LV2_IS_PORT_INPUT(portType))

  1320.                 {

  1321.                     j = evIn.count++;

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

  1323.                     if (h2) descriptor->connect_port(h2, i, evIn.data[j].event);

  1324. 

  1325.                     if (portType & LV2_PORT_SUPPORTS_MIDI_EVENT)

  1326.                     {

  1327.                         evIn.data[j].type |= CARLA_EVENT_TYPE_MIDI;

  1328.                         evIn.data[j].port  = (CarlaEngineMidiPort*)x_client->addPort(CarlaEnginePortTypeMIDI, portName, true);

  1329.                     }

  1330.                 }

  1331.                 else if (LV2_IS_PORT_OUTPUT(portType))

  1332.                 {

  1333.                     j = evOut.count++;

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

  1335.                     if (h2) descriptor->connect_port(h2, i, evOut.data[j].event);

  1336. 

  1337.                     if (portType & LV2_PORT_SUPPORTS_MIDI_EVENT)

  1338.                     {

  1339.                         evOut.data[j].type |= CARLA_EVENT_TYPE_MIDI;

  1340.                         evOut.data[j].port  = (CarlaEngineMidiPort*)x_client->addPort(CarlaEnginePortTypeMIDI, portName, false);

  1341.                     }

  1342.                 }

  1343.                 else

  1344.                     qWarning("WARNING - Got a broken Port (Event, but not input or output)");

  1345.             }

  1346.             else if (LV2_IS_PORT_MIDI_LL(portType))

  1347.             {

  1348.                 if (LV2_IS_PORT_INPUT(portType))

  1349.                 {

  1350.                     j = evIn.count++;

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

  1352.                     if (h2) descriptor->connect_port(h2, i, evIn.data[j].midi);

  1353. 

  1354.                     evIn.data[j].type |= CARLA_EVENT_TYPE_MIDI;

  1355.                     evIn.data[j].port  = (CarlaEngineMidiPort*)x_client->addPort(CarlaEnginePortTypeMIDI, portName, true);

  1356.                 }

  1357.                 else if (LV2_IS_PORT_OUTPUT(portType))

  1358.                 {

  1359.                     j = evOut.count++;

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

  1361.                     if (h2) descriptor->connect_port(h2, i, evOut.data[j].midi);

  1362. 

  1363.                     evOut.data[j].type |= CARLA_EVENT_TYPE_MIDI;

  1364.                     evOut.data[j].port  = (CarlaEngineMidiPort*)x_client->addPort(CarlaEnginePortTypeMIDI, portName, false);

  1365.                 }

  1366.                 else

  1367.                     qWarning("WARNING - Got a broken Port (Midi, but not input or output)");

  1368.             }

  1369.             else if (LV2_IS_PORT_CONTROL(portType))

  1370.             {

  1371.                 const LV2_Property portProps = rdf_descriptor->Ports[i].Properties;

  1372.                 const LV2_Property portDesignation = rdf_descriptor->Ports[i].Designation;

  1373.                 const LV2_RDF_PortPoints portPoints = rdf_descriptor->Ports[i].Points;

  1374. 

  1375.                 j = param.count++;

  1376.                 param.data[j].index  = j;

  1377.                 param.data[j].rindex = i;

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

  1379.                 param.data[j].midiChannel = 0;

  1380.                 param.data[j].midiCC = -1;

  1381. 

  1382.                 double min, max, def, step, stepSmall, stepLarge;

  1383. 

  1384.                 // min value

  1385.                 if (LV2_HAVE_MINIMUM_PORT_POINT(portPoints.Hints))

  1386.                     min = portPoints.Minimum;

  1387.                 else

  1388.                     min = 0.0;

  1389. 

  1390.                 // max value

  1391.                 if (LV2_HAVE_MAXIMUM_PORT_POINT(portPoints.Hints))

  1392.                     max = portPoints.Maximum;

  1393.                 else

  1394.                     max = 1.0;

  1395. 

  1396.                 if (min > max)

  1397.                     max = min;

  1398.                 else if (max < min)

  1399.                     min = max;

  1400. 

  1401.                 // stupid hack for ir.lv2 (broken plugin)

  1402.                 if (strcmp(rdf_descriptor->URI, "http://factorial.hu/plugins/lv2/ir") == 0 && strncmp(rdf_descriptor->Ports[i].Name, "FileHash", 8) == 0)

  1403.                 {

  1404.                     min = 0.0;

  1405.                     max = 16777215.0; // 0xffffff

  1406.                 }

  1407. 

  1408.                 if (max - min == 0.0)

  1409.                 {

  1410.                     qWarning("Broken plugin parameter: max - min == 0");

  1411.                     max = min + 0.1;

  1412.                 }

  1413. 

  1414.                 // default value

  1415.                 if (LV2_HAVE_DEFAULT_PORT_POINT(portPoints.Hints))

  1416.                 {

  1417.                     def = portPoints.Default;

  1418.                 }

  1419.                 else

  1420.                 {

  1421.                     // no default value

  1422.                     if (min < 0.0 && max > 0.0)

  1423.                         def = 0.0;

  1424.                     else

  1425.                         def = min;

  1426.                 }

  1427. 

  1428.                 if (def < min)

  1429.                     def = min;

  1430.                 else if (def > max)

  1431.                     def = max;

  1432. 

  1433.                 if (LV2_IS_PORT_SAMPLE_RATE(portProps))

  1434.                 {

  1435.                     min *= sampleRate;

  1436.                     max *= sampleRate;

  1437.                     def *= sampleRate;

  1438.                     param.data[j].hints |= PARAMETER_USES_SAMPLERATE;

  1439.                 }

  1440. 

  1441.                 if (LV2_IS_PORT_TOGGLED(portProps))

  1442.                 {

  1443.                     step = max - min;

  1444.                     stepSmall = step;

  1445.                     stepLarge = step;

  1446.                     param.data[j].hints |= PARAMETER_IS_BOOLEAN;

  1447.                 }

  1448.                 else if (LV2_IS_PORT_INTEGER(portProps))

  1449.                 {

  1450.                     step = 1.0;

  1451.                     stepSmall = 1.0;

  1452.                     stepLarge = 10.0;

  1453.                     param.data[j].hints |= PARAMETER_IS_INTEGER;

  1454.                 }

  1455.                 else

  1456.                 {

  1457.                     double range = max - min;

  1458.                     step = range/100.0;

  1459.                     stepSmall = range/1000.0;

  1460.                     stepLarge = range/10.0;

  1461.                 }

  1462. 

  1463.                 if (LV2_IS_PORT_INPUT(portType))

  1464.                 {

  1465.                     if (LV2_IS_PORT_DESIGNATION_LATENCY(portDesignation))

  1466.                     {

  1467.                         qWarning("Plugin has latency input port, this should not happen!");

  1468.                     }

  1469.                     else if (LV2_IS_PORT_DESIGNATION_SAMPLE_RATE(portDesignation))

  1470.                     {

  1471.                         def = sampleRate;

  1472.                         step = 1.0;

  1473.                         stepSmall = 1.0;

  1474.                         stepLarge = 1.0;

  1475. 

  1476.                         param.data[j].type  = PARAMETER_SAMPLE_RATE;

  1477.                         param.data[j].hints = 0;

  1478.                     }

  1479.                     else if (LV2_IS_PORT_DESIGNATION_FREEWHEELING(portDesignation))

  1480.                     {

  1481.                         param.data[j].type = PARAMETER_LV2_FREEWHEEL;

  1482.                     }

  1483.                     else if (LV2_IS_PORT_DESIGNATION_TIME(portDesignation))

  1484.                     {

  1485.                         param.data[j].type = PARAMETER_LV2_TIME;

  1486.                     }

  1487.                     else

  1488.                     {

  1489.                         param.data[j].type = PARAMETER_INPUT;

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

  1491.                         param.data[j].hints |= PARAMETER_IS_AUTOMABLE;

  1492.                         needsCtrlIn = true;

  1493.                     }

  1494. 

  1495.                     // MIDI CC value

  1496.                     const LV2_RDF_PortMidiMap* const portMidiMap = &rdf_descriptor->Ports[i].MidiMap;

  1497.                     if (LV2_IS_PORT_MIDI_MAP_CC(portMidiMap->Type))

  1498.                     {

  1499.                         if (! MIDI_IS_CONTROL_BANK_SELECT(portMidiMap->Number))

  1500.                             param.data[j].midiCC = portMidiMap->Number;

  1501.                     }

  1502.                 }

  1503.                 else if (LV2_IS_PORT_OUTPUT(portType))

  1504.                 {

  1505.                     if (LV2_IS_PORT_DESIGNATION_LATENCY(portDesignation))

  1506.                     {

  1507.                         min = 0.0;

  1508.                         max = sampleRate;

  1509.                         def = 0.0;

  1510.                         step = 1.0;

  1511.                         stepSmall = 1.0;

  1512.                         stepLarge = 1.0;

  1513. 

  1514.                         param.data[j].type  = PARAMETER_LATENCY;

  1515.                         param.data[j].hints = 0;

  1516.                     }

  1517.                     else if (LV2_IS_PORT_DESIGNATION_SAMPLE_RATE(portDesignation))

  1518.                     {

  1519.                         def = sampleRate;

  1520.                         step = 1.0;

  1521.                         stepSmall = 1.0;

  1522.                         stepLarge = 1.0;

  1523. 

  1524.                         param.data[j].type  = PARAMETER_SAMPLE_RATE;

  1525.                         param.data[j].hints = 0;

  1526.                     }

  1527.                     else if (LV2_IS_PORT_DESIGNATION_FREEWHEELING(portDesignation))

  1528.                     {

  1529.                         qWarning("Plugin has freewheeling output port, this should not happen!");

  1530.                     }

  1531.                     else if (LV2_IS_PORT_DESIGNATION_TIME(portDesignation))

  1532.                     {

  1533.                         param.data[j].type = PARAMETER_LV2_TIME;

  1534.                     }

  1535.                     else

  1536.                     {

  1537.                         param.data[j].type   = PARAMETER_OUTPUT;

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

  1539.                         param.data[j].hints |= PARAMETER_IS_AUTOMABLE;

  1540.                         needsCtrlOut = true;

  1541.                     }

  1542.                 }

  1543.                 else

  1544.                 {

  1545.                     param.data[j].type = PARAMETER_UNKNOWN;

  1546.                     qWarning("WARNING - Got a broken Port (Control, but not input or output)");

  1547.                 }

  1548. 

  1549.                 // extra parameter hints

  1550.                 if (LV2_IS_PORT_ENUMERATION(portProps))

  1551.                     param.data[j].hints |= PARAMETER_USES_SCALEPOINTS;

  1552. 

  1553.                 if (LV2_IS_PORT_LOGARITHMIC(portProps))

  1554.                     param.data[j].hints |= PARAMETER_IS_LOGARITHMIC;

  1555. 

  1556.                 if (LV2_IS_PORT_TRIGGER(portProps))

  1557.                     param.data[j].hints |= PARAMETER_IS_TRIGGER;

  1558. 

  1559.                 if (LV2_IS_PORT_STRICT_BOUNDS(portProps))

  1560.                     param.data[j].hints |= PARAMETER_IS_STRICT_BOUNDS;

  1561. 

  1562.                 // check if parameter is not enabled or automable

  1563.                 if (LV2_IS_PORT_NOT_ON_GUI(portProps))

  1564.                     param.data[j].hints &= ~PARAMETER_IS_ENABLED;

  1565. 

  1566.                 if (LV2_IS_PORT_CAUSES_ARTIFACTS(portProps) || LV2_IS_PORT_EXPENSIVE(portProps) || LV2_IS_PORT_NOT_AUTOMATIC(portProps))

  1567.                     param.data[j].hints &= ~PARAMETER_IS_AUTOMABLE;

  1568. 

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

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

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

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

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

  1574.                 param.ranges[j].stepLarge = stepLarge;

  1575. 

  1576.                 // Start parameters in their default values

  1577.                 paramBuffers[j] = def;

  1578. 

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

  1580.                 if (h2) descriptor->connect_port(h2, i, &paramBuffers[j]);

  1581.             }

  1582.             else

  1583.             {

  1584.                 // Port Type not supported, but it's optional anyway

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

  1586.                 if (h2) descriptor->connect_port(h2, i, nullptr);

  1587.             }

  1588.         }

  1589. 

  1590.         if (needsCtrlIn)

  1591.         {

  1592. #ifndef BUILD_BRIDGE

  1593.             if (carlaOptions.processMode != PROCESS_MODE_MULTIPLE_CLIENTS)

  1594.             {

  1595.                 strcpy(portName, m_name);

  1596.                 strcat(portName, ":control-in");

  1597.             }

  1598.             else

  1599. #endif

  1600.                 strcpy(portName, "control-in");

  1601. 

  1602.             param.portCin = (CarlaEngineControlPort*)x_client->addPort(CarlaEnginePortTypeControl, portName, true);

  1603.         }

  1604. 

  1605.         if (needsCtrlOut)

  1606.         {

  1607. #ifndef BUILD_BRIDGE

  1608.             if (carlaOptions.processMode != PROCESS_MODE_MULTIPLE_CLIENTS)

  1609.             {

  1610.                 strcpy(portName, m_name);

  1611.                 strcat(portName, ":control-out");

  1612.             }

  1613.             else

  1614. #endif

  1615.                 strcpy(portName, "control-out");

  1616. 

  1617.             param.portCout = (CarlaEngineControlPort*)x_client->addPort(CarlaEnginePortTypeControl, portName, false);

  1618.         }

  1619. 

  1620.         aIn.count   = aIns;

  1621.         aOut.count  = aOuts;

  1622.         evIn.count  = evIns.size();

  1623.         evOut.count = evOuts.size();

  1624.         param.count = params;

  1625. 

  1626.         // plugin checks

  1627.         m_hints &= ~(PLUGIN_IS_SYNTH | PLUGIN_USES_CHUNKS | PLUGIN_CAN_DRYWET | PLUGIN_CAN_VOLUME | PLUGIN_CAN_BALANCE);

  1628. 

  1629.         if (LV2_IS_GENERATOR(rdf_descriptor->Type))

  1630.             m_hints |= PLUGIN_IS_SYNTH;

  1631. 

  1632.         if (aOuts > 0 && (aIns == aOuts || aIns == 1))

  1633.             m_hints |= PLUGIN_CAN_DRYWET;

  1634. 

  1635.         if (aOuts > 0)

  1636.             m_hints |= PLUGIN_CAN_VOLUME;

  1637. 

  1638.         if (aOuts >= 2 && aOuts%2 == 0)

  1639.             m_hints |= PLUGIN_CAN_BALANCE;

  1640. 

  1641.         // check extensions

  1642.         ext.state      = nullptr;

  1643.         ext.worker     = nullptr;

  1644.         ext.programs   = nullptr;

  1645. 

  1646.         if (descriptor->extension_data)

  1647.         {

  1648.             if (m_hints & PLUGIN_HAS_EXTENSION_PROGRAMS)

  1649.                 ext.programs = (const LV2_Programs_Interface*)descriptor->extension_data(LV2_PROGRAMS__Interface);

  1650. 

  1651.             if (m_hints & PLUGIN_HAS_EXTENSION_STATE)

  1652.                 ext.state = (const LV2_State_Interface*)descriptor->extension_data(LV2_STATE__interface);

  1653. 

  1654.             if (m_hints & PLUGIN_HAS_EXTENSION_WORKER)

  1655.                 ext.worker = (const LV2_Worker_Interface*)descriptor->extension_data(LV2_WORKER__interface);

  1656.         }

  1657. 

  1658.         reloadPrograms(true);

  1659. 

  1660.         x_client->activate();

  1661. 

  1662.         qDebug("Lv2Plugin::reload() - end");

  1663.     }

  1664. 

  1665.     void reloadPrograms(const bool init)

  1666.     {

  1667.         qDebug("Lv2Plugin::reloadPrograms(%s)", bool2str(init));

  1668.         uint32_t i, oldCount = midiprog.count;

  1669. 

  1670.         // Delete old programs

  1671.         if (midiprog.count > 0)

  1672.         {

  1673.             for (uint32_t i=0; i < midiprog.count; i++)

  1674.             {

  1675.                 if (midiprog.data[i].name)

  1676.                     free((void*)midiprog.data[i].name);

  1677.             }

  1678. 

  1679.             delete[] midiprog.data;

  1680.         }

  1681. 

  1682.         midiprog.count = 0;

  1683.         midiprog.data  = nullptr;

  1684. 

  1685.         // Query new programs

  1686.         if (ext.programs && ext.programs->get_program && ext.programs->select_program)

  1687.         {

  1688.             while (ext.programs->get_program(handle, midiprog.count))

  1689.                 midiprog.count += 1;

  1690.         }

  1691. 

  1692.         if (midiprog.count > 0)

  1693.             midiprog.data = new midi_program_t[midiprog.count];

  1694. 

  1695.         // Update data

  1696.         for (i=0; i < midiprog.count; i++)

  1697.         {

  1698.             const LV2_Program_Descriptor* const pdesc = ext.programs->get_program(handle, i);

  1699.             Q_ASSERT(pdesc);

  1700.             Q_ASSERT(pdesc->program < 128);

  1701.             Q_ASSERT(pdesc->name);

  1702. 

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

  1704.             midiprog.data[i].program = pdesc->program;

  1705.             midiprog.data[i].name    = strdup(pdesc->name);

  1706.         }

  1707. 

  1708. #ifndef BUILD_BRIDGE

  1709.         // Update OSC Names

  1710.         x_engine->osc_send_set_midi_program_count(m_id, midiprog.count);

  1711. 

  1712.         for (i=0; i < midiprog.count; i++)

  1713.             x_engine->osc_send_set_midi_program_data(m_id, i, midiprog.data[i].bank, midiprog.data[i].program, midiprog.data[i].name);

  1714. #endif

  1715. 

  1716.         if (init)

  1717.         {

  1718.             if (midiprog.count > 0)

  1719.                 setMidiProgram(0, false, false, false, true);

  1720.         }

  1721.         else

  1722.         {

  1723.             x_engine->callback(CALLBACK_RELOAD_PROGRAMS, m_id, 0, 0, 0.0);

  1724. 

  1725.             // Check if current program is invalid

  1726.             bool programChanged = false;

  1727. 

  1728.             if (midiprog.count == oldCount+1)

  1729.             {

  1730.                 // one midi program added, probably created by user

  1731.                 midiprog.current = oldCount;

  1732.                 programChanged   = true;

  1733.             }

  1734.             else if (midiprog.current >= (int32_t)midiprog.count)

  1735.             {

  1736.                 // current midi program > count

  1737.                 midiprog.current = 0;

  1738.                 programChanged   = true;

  1739.             }

  1740.             else if (midiprog.current < 0 && midiprog.count > 0)

  1741.             {

  1742.                 // programs exist now, but not before

  1743.                 midiprog.current = 0;

  1744.                 programChanged   = true;

  1745.             }

  1746.             else if (midiprog.current >= 0 && midiprog.count == 0)

  1747.             {

  1748.                 // programs existed before, but not anymore

  1749.                 midiprog.current = -1;

  1750.                 programChanged   = true;

  1751.             }

  1752. 

  1753.             if (programChanged)

  1754.                 setMidiProgram(midiprog.current, true, true, true, true);

  1755.         }

  1756.     }

  1757. 

  1758.     void prepareForSave()

  1759.     {

  1760.         if (ext.state && ext.state->save)

  1761.         {

  1762.             ext.state->save(handle, carla_lv2_state_store, this, LV2_STATE_IS_POD, features);

  1763.             if (h2) ext.state->save(h2, carla_lv2_state_store, this, LV2_STATE_IS_POD, features);

  1764.         }

  1765.     }

  1766. 

  1767.     // -------------------------------------------------------------------

  1768.     // Plugin processing

  1769. 

  1770.     void process(float* const* const inBuffer, float* const* const outBuffer, const uint32_t frames, const uint32_t framesOffset)

  1771.     {

  1772.         uint32_t i, k;

  1773.         uint32_t midiEventCount = 0;

  1774. 

  1775.         double aInsPeak[2]  = { 0.0 };

  1776.         double aOutsPeak[2] = { 0.0 };

  1777. 

  1778.         // handle midi from different APIs

  1779.         uint32_t evInAtomOffsets[evIn.count];

  1780.         LV2_Event_Iterator evInEventIters[evIn.count];

  1781.         LV2_MIDIState evInMidiStates[evIn.count];

  1782. 

  1783.         for (i=0; i < evIn.count; i++)

  1784.         {

  1785.             if (evIn.data[i].type & CARLA_EVENT_DATA_ATOM)

  1786.             {

  1787.                 evInAtomOffsets[i] = 0;

  1788.                 evIn.data[i].atom->atom.size = 0;

  1789.                 evIn.data[i].atom->atom.type = CARLA_URI_MAP_ID_ATOM_SEQUENCE;

  1790.                 evIn.data[i].atom->body.unit = CARLA_URI_MAP_ID_NULL;

  1791.                 evIn.data[i].atom->body.pad  = 0;

  1792.             }

  1793.             else if (evIn.data[i].type & CARLA_EVENT_DATA_EVENT)

  1794.             {

  1795.                 lv2_event_buffer_reset(evIn.data[i].event, LV2_EVENT_AUDIO_STAMP, (uint8_t*)(evIn.data[i].event + 1));

  1796.                 lv2_event_begin(&evInEventIters[i], evIn.data[i].event);

  1797.             }

  1798.             else if (evIn.data[i].type & CARLA_EVENT_DATA_MIDI_LL)

  1799.             {

  1800.                 evInMidiStates[i].midi = evIn.data[i].midi;

  1801.                 evInMidiStates[i].frame_count = frames;

  1802.                 evInMidiStates[i].position = 0;

  1803.                 evInMidiStates[i].midi->event_count = 0;

  1804.                 evInMidiStates[i].midi->size = 0;

  1805.             }

  1806.         }

  1807. 

  1808.         for (i=0; i < evOut.count; i++)

  1809.         {

  1810.             if (evOut.data[i].type & CARLA_EVENT_DATA_ATOM)

  1811.             {

  1812.                 evOut.data[i].atom->atom.size = 0;

  1813.                 evOut.data[i].atom->atom.type = CARLA_URI_MAP_ID_ATOM_SEQUENCE;

  1814.                 evOut.data[i].atom->body.unit = CARLA_URI_MAP_ID_NULL;

  1815.                 evOut.data[i].atom->body.pad  = 0;

  1816.             }

  1817.             else if (evOut.data[i].type & CARLA_EVENT_DATA_EVENT)

  1818.             {

  1819.                 lv2_event_buffer_reset(evOut.data[i].event, LV2_EVENT_AUDIO_STAMP, (uint8_t*)(evOut.data[i].event + 1));

  1820.             }

  1821.             else if (evOut.data[i].type & CARLA_EVENT_DATA_MIDI_LL)

  1822.             {

  1823.                 // not needed

  1824.             }

  1825.         }

  1826. 

  1827.         CARLA_PROCESS_CONTINUE_CHECK;

  1828. 

  1829.         // --------------------------------------------------------------------------------------------------------

  1830.         // Input VU

  1831. 

  1832.         if (aIn.count > 0)

  1833.         {

  1834.             uint32_t count = h2 ? 2 : aIn.count;

  1835. 

  1836.             if (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 (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.             if (evIn.count > 0 && m_ctrlInChannel >= 0 && m_ctrlInChannel < 16)

  2043.             {

  2044.                 engineMidiLock();

  2045. 

  2046.                 for (i=0; i < MAX_MIDI_EVENTS && midiEventCount < MAX_MIDI_EVENTS; i++)

  2047.                 {

  2048.                     if (extMidiNotes[i].channel < 0)

  2049.                         break;

  2050. 

  2051.                     uint8_t midiEvent[3] = { 0 };

  2052.                     midiEvent[0] = m_ctrlInChannel + extMidiNotes[i].velo ? MIDI_STATUS_NOTE_ON : MIDI_STATUS_NOTE_OFF;

  2053.                     midiEvent[1] = extMidiNotes[i].note;

  2054.                     midiEvent[2] = extMidiNotes[i].velo;

  2055. 

  2056.                     // send to all midi inputs

  2057.                     for (k=0; k < evIn.count; k++)

  2058.                     {

  2059.                         if (evIn.data[k].type & CARLA_EVENT_TYPE_MIDI)

  2060.                         {

  2061.                             if (evIn.data[k].type & CARLA_EVENT_DATA_ATOM)

  2062.                             {

  2063.                                 LV2_Atom_Event* const aev = (LV2_Atom_Event*)((char*)LV2_ATOM_CONTENTS(LV2_Atom_Sequence, evIn.data[k].atom) + evInAtomOffsets[k]);

  2064.                                 aev->time.frames = 0;

  2065.                                 aev->body.type   = CARLA_URI_MAP_ID_MIDI_EVENT;

  2066.                                 aev->body.size   = 3;

  2067.                                 memcpy(LV2_ATOM_BODY(&aev->body), midiEvent, 3);

  2068. 

  2069.                                 const uint32_t padSize = lv2_atom_pad_size(sizeof(LV2_Atom_Event) + 3);

  2070.                                 evInAtomOffsets[k]           += padSize;

  2071.                                 evIn.data[k].atom->atom.size += padSize;

  2072.                             }

  2073.                             else if (evIn.data[k].type & CARLA_EVENT_DATA_EVENT)

  2074.                             {

  2075.                                 lv2_event_write(&evInEventIters[k], 0, 0, CARLA_URI_MAP_ID_MIDI_EVENT, 3, midiEvent);

  2076.                             }

  2077.                             else if (evIn.data[k].type & CARLA_EVENT_DATA_MIDI_LL)

  2078.                             {

  2079.                                 lv2midi_put_event(&evInMidiStates[k], 0, 3, midiEvent);

  2080.                             }

  2081.                         }

  2082.                     }

  2083. 

  2084.                     extMidiNotes[i].channel = -1; // mark as invalid

  2085.                     midiEventCount += 1;

  2086.                 }

  2087. 

  2088.                 engineMidiUnlock();

  2089. 

  2090.             } // End of MIDI Input (External)

  2091. 

  2092.             CARLA_PROCESS_CONTINUE_CHECK;

  2093. 

  2094.             // ----------------------------------------------------------------------------------------------------

  2095.             // MIDI Input (System)

  2096. 

  2097.             {

  2098.                 for (i=0; i < evIn.count; i++)

  2099.                 {

  2100.                     if (! evIn.data[i].port)

  2101.                         continue;

  2102. 

  2103.                     const CarlaEngineMidiEvent* minEvent;

  2104.                     uint32_t time, nEvents = evIn.data[i].port->getEventCount();

  2105. 

  2106.                     for (k=0; k < nEvents && midiEventCount < MAX_MIDI_EVENTS; k++)

  2107.                     {

  2108.                         minEvent = evIn.data[i].port->getEvent(k);

  2109. 

  2110.                         if (! minEvent)

  2111.                             continue;

  2112. 

  2113.                         time = minEvent->time - framesOffset;

  2114. 

  2115.                         if (time >= frames)

  2116.                             continue;

  2117. 

  2118.                         uint8_t status  = minEvent->data[0];

  2119.                         uint8_t channel = status & 0x0F;

  2120. 

  2121.                         // Fix bad note-off

  2122.                         if (MIDI_IS_STATUS_NOTE_ON(status) && minEvent->data[2] == 0)

  2123.                             status -= 0x10;

  2124. 

  2125.                         // only write supported status types

  2126.                         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))

  2127.                         {

  2128.                             if (evIn.data[i].type & CARLA_EVENT_DATA_ATOM)

  2129.                             {

  2130.                                 LV2_Atom_Event* const aev = (LV2_Atom_Event*)((char*)LV2_ATOM_CONTENTS(LV2_Atom_Sequence, evIn.data[i].atom) + evInAtomOffsets[i]);

  2131.                                 aev->time.frames = time;

  2132.                                 aev->body.type   = CARLA_URI_MAP_ID_MIDI_EVENT;

  2133.                                 aev->body.size   = minEvent->size;

  2134.                                 memcpy(LV2_ATOM_BODY(&aev->body), minEvent->data, minEvent->size);

  2135. 

  2136.                                 const uint32_t padSize = lv2_atom_pad_size(sizeof(LV2_Atom_Event) + minEvent->size);

  2137.                                 evInAtomOffsets[i]           += padSize;

  2138.                                 evIn.data[i].atom->atom.size += padSize;

  2139.                             }

  2140.                             else if (evIn.data[i].type & CARLA_EVENT_DATA_EVENT)

  2141.                             {

  2142.                                 lv2_event_write(&evInEventIters[i], time, 0, CARLA_URI_MAP_ID_MIDI_EVENT, minEvent->size, minEvent->data);

  2143.                             }

  2144.                             else if (evIn.data[i].type & CARLA_EVENT_DATA_MIDI_LL)

  2145.                             {

  2146.                                 lv2midi_put_event(&evInMidiStates[i], time, minEvent->size, minEvent->data);

  2147.                             }

  2148. 

  2149.                             if (MIDI_IS_STATUS_NOTE_OFF(status))

  2150.                                 postponeEvent(PluginPostEventNoteOff, channel, minEvent->data[1], 0.0);

  2151.                             else if (MIDI_IS_STATUS_NOTE_ON(status))

  2152.                                 postponeEvent(PluginPostEventNoteOn, channel, minEvent->data[1], minEvent->data[2]);

  2153.                         }

  2154. 

  2155.                         midiEventCount += 1;

  2156.                     }

  2157.                 }

  2158.             } // End of MIDI Input (System)

  2159. 

  2160.         } // End of MIDI Input

  2161. 

  2162.         CARLA_PROCESS_CONTINUE_CHECK;

  2163. 

  2164.         // --------------------------------------------------------------------------------------------------------

  2165.         // Special Parameters

  2166. 

  2167.         {

  2168.             int32_t rindex;

  2169.             const CarlaTimeInfo* const timeInfo = x_engine->getTimeInfo();

  2170. 

  2171.             for (k=0; k < param.count; k++)

  2172.             {

  2173.                 if (param.data[k].type == PARAMETER_LATENCY)

  2174.                 {

  2175.                     // TODO

  2176.                 }

  2177.                 else if (param.data[k].type == PARAMETER_LV2_FREEWHEEL)

  2178.                 {

  2179.                     setParameterValue(k, x_engine->isOffline() ? 1.0 : 0.0, false, false, false);

  2180.                 }

  2181.                 else if (param.data[k].type == PARAMETER_LV2_TIME)

  2182.                 {

  2183.                     rindex = param.data[k].rindex;

  2184.                     Q_ASSERT(rindex >= 0 && rindex < (int32_t)rdf_descriptor->PortCount);

  2185. 

  2186.                     switch (rdf_descriptor->Ports[rindex].Designation)

  2187.                     {

  2188.                     case LV2_PORT_DESIGNATION_TIME_BAR:

  2189.                         if (timeInfo->valid & CarlaEngineTimeBBT)

  2190.                             setParameterValue(k, timeInfo->bbt.bar, false, false, false);

  2191.                         break;

  2192.                     case LV2_PORT_DESIGNATION_TIME_BAR_BEAT:

  2193.                         if (timeInfo->valid & CarlaEngineTimeBBT)

  2194.                             setParameterValue(k, timeInfo->bbt.tick, false, false, false);

  2195.                         break;

  2196.                     case LV2_PORT_DESIGNATION_TIME_BEAT:

  2197.                         if (timeInfo->valid & CarlaEngineTimeBBT)

  2198.                             setParameterValue(k, timeInfo->bbt.beat, false, false, false);

  2199.                         break;

  2200.                     case LV2_PORT_DESIGNATION_TIME_BEAT_UNIT:

  2201.                         if (timeInfo->valid & CarlaEngineTimeBBT)

  2202.                             setParameterValue(k, timeInfo->bbt.beat_type, false, false, false);

  2203.                         break;

  2204.                     case LV2_PORT_DESIGNATION_TIME_BEATS_PER_BAR:

  2205.                         if (timeInfo->valid & CarlaEngineTimeBBT)

  2206.                             setParameterValue(k, timeInfo->bbt.beats_per_bar, false, false, false);

  2207.                         break;

  2208.                     case LV2_PORT_DESIGNATION_TIME_BEATS_PER_MINUTE:

  2209.                         if (timeInfo->valid & CarlaEngineTimeBBT)

  2210.                             setParameterValue(k, timeInfo->bbt.beats_per_minute, false, false, false);

  2211.                         break;

  2212. 

  2213.                     case LV2_PORT_DESIGNATION_TIME_FRAME:

  2214.                         setParameterValue(k, timeInfo->frame, false, false, false);

  2215.                         break;

  2216.                     case LV2_PORT_DESIGNATION_TIME_FRAMES_PER_SECOND:

  2217.                         break;

  2218.                     case LV2_PORT_DESIGNATION_TIME_POSITION:

  2219.                         setParameterValue(k, timeInfo->time, false, false, false);

  2220.                         break;

  2221.                     case LV2_PORT_DESIGNATION_TIME_SPEED:

  2222.                         setParameterValue(k, timeInfo->playing ? 1.0 : 0.0, false, false, false);

  2223.                         break;

  2224.                     }

  2225.                 }

  2226.             }

  2227.         }

  2228. 

  2229.         CARLA_PROCESS_CONTINUE_CHECK;

  2230. 

  2231.         // --------------------------------------------------------------------------------------------------------

  2232.         // Plugin processing

  2233. 

  2234.         if (m_active)

  2235.         {

  2236.             if (! m_activeBefore)

  2237.             {

  2238.                 if (evIn.count > 0 && m_ctrlInChannel >= 0 && m_ctrlInChannel < 16)

  2239.                 {

  2240.                     uint8_t midiEvent1[2] = { 0 };

  2241.                     midiEvent1[0] = MIDI_STATUS_CONTROL_CHANGE + m_ctrlInChannel;

  2242.                     midiEvent1[1] = MIDI_CONTROL_ALL_SOUND_OFF;

  2243. 

  2244.                     uint8_t midiEvent2[2] = { 0 };

  2245.                     midiEvent2[0] = MIDI_STATUS_CONTROL_CHANGE + m_ctrlInChannel;

  2246.                     midiEvent2[1] = MIDI_CONTROL_ALL_SOUND_OFF;

  2247. 

  2248.                     // send to all midi inputs

  2249.                     for (k=0; k < evIn.count; k++)

  2250.                     {

  2251.                         if (evIn.data[k].type & CARLA_EVENT_TYPE_MIDI)

  2252.                         {

  2253.                             if (evIn.data[k].type & CARLA_EVENT_DATA_ATOM)

  2254.                             {

  2255.                                 // all sound off

  2256.                                 LV2_Atom_Event* const aev1 = (LV2_Atom_Event*)((char*)LV2_ATOM_CONTENTS(LV2_Atom_Sequence, evIn.data[k].atom) + evInAtomOffsets[k]);

  2257.                                 aev1->time.frames = 0;

  2258.                                 aev1->body.type   = CARLA_URI_MAP_ID_MIDI_EVENT;

  2259.                                 aev1->body.size   = 2;

  2260.                                 memcpy(LV2_ATOM_BODY(&aev1->body), midiEvent1, 2);

  2261. 

  2262.                                 const uint32_t padSize = lv2_atom_pad_size(sizeof(LV2_Atom_Event) + 2);

  2263.                                 evInAtomOffsets[k]           += padSize;

  2264.                                 evIn.data[k].atom->atom.size += padSize;

  2265. 

  2266.                                 // all notes off

  2267.                                 LV2_Atom_Event* const aev2 = (LV2_Atom_Event*)((char*)LV2_ATOM_CONTENTS(LV2_Atom_Sequence, evIn.data[k].atom) + evInAtomOffsets[k]);

  2268.                                 aev2->time.frames = 0;

  2269.                                 aev2->body.type   = CARLA_URI_MAP_ID_MIDI_EVENT;

  2270.                                 aev2->body.size   = 2;

  2271.                                 memcpy(LV2_ATOM_BODY(&aev2->body), midiEvent2, 2);

  2272. 

  2273.                                 evInAtomOffsets[k]           += padSize;

  2274.                                 evIn.data[k].atom->atom.size += padSize;

  2275.                             }

  2276.                             else if (evIn.data[k].type & CARLA_EVENT_DATA_EVENT)

  2277.                             {

  2278.                                 lv2_event_write(&evInEventIters[k], 0, 0, CARLA_URI_MAP_ID_MIDI_EVENT, 2, midiEvent1);

  2279.                                 lv2_event_write(&evInEventIters[k], 0, 0, CARLA_URI_MAP_ID_MIDI_EVENT, 2, midiEvent2);

  2280.                             }

  2281.                             else if (evIn.data[k].type & CARLA_EVENT_DATA_MIDI_LL)

  2282.                             {

  2283.                                 lv2midi_put_event(&evInMidiStates[k], 0, 2, midiEvent1);

  2284.                                 lv2midi_put_event(&evInMidiStates[k], 0, 2, midiEvent2);

  2285.                             }

  2286.                         }

  2287.                     }

  2288. 

  2289.                     midiEventCount = 2;

  2290.                 }

  2291. 

  2292.                 if (descriptor->activate)

  2293.                 {

  2294.                     descriptor->activate(handle);

  2295.                     if (h2) descriptor->activate(h2);

  2296.                 }

  2297.             }

  2298. 

  2299.             for (i=0; i < aIn.count; i++)

  2300.             {

  2301.                 if (i == 0 || ! h2) descriptor->connect_port(handle, aIn.rindexes[i], inBuffer[i]);

  2302.                 if (i == 1 && h2) descriptor->connect_port(h2, aIn.rindexes[i], inBuffer[i]);

  2303.             }

  2304. 

  2305.             for (i=0; i < aOut.count; i++)

  2306.             {

  2307.                 if (i == 0 || ! h2) descriptor->connect_port(handle, aOut.rindexes[i], outBuffer[i]);

  2308.                 if (i == 1 && h2)   descriptor->connect_port(h2, aOut.rindexes[i], outBuffer[i]);

  2309.             }

  2310. 

  2311.             descriptor->run(handle, frames);

  2312.             if (h2) descriptor->run(h2, frames);

  2313. 

  2314.             if (ext.worker)

  2315.             {

  2316.                 // TODO

  2317.                 //ext.worker->work_response();

  2318. 

  2319.                 if (ext.worker->end_run)

  2320.                 {

  2321.                     ext.worker->end_run(handle);

  2322.                     if (h2) ext.worker->end_run(h2);

  2323.                 }

  2324.             }

  2325.         }

  2326.         else

  2327.         {

  2328.             if (m_activeBefore)

  2329.             {

  2330.                 if (descriptor->deactivate)

  2331.                 {

  2332.                     descriptor->deactivate(handle);

  2333.                     if (h2) descriptor->deactivate(h2);

  2334.                 }

  2335.             }

  2336.         }

  2337. 

  2338.         CARLA_PROCESS_CONTINUE_CHECK;

  2339. 

  2340.         // --------------------------------------------------------------------------------------------------------

  2341.         // Post-processing (dry/wet, volume and balance)

  2342. 

  2343.         if (m_active)

  2344.         {

  2345.             bool do_drywet  = (m_hints & PLUGIN_CAN_DRYWET) > 0 && x_dryWet != 1.0;

  2346.             bool do_volume  = (m_hints & PLUGIN_CAN_VOLUME) > 0 && x_volume != 1.0;

  2347.             bool do_balance = (m_hints & PLUGIN_CAN_BALANCE) > 0 && (x_balanceLeft != -1.0 || x_balanceRight != 1.0);

  2348. 

  2349.             double bal_rangeL, bal_rangeR;

  2350.             float oldBufLeft[do_balance ? frames : 0];

  2351. 

  2352.             uint32_t count = h2 ? 2 : aOut.count;

  2353. 

  2354.             for (i=0; i < count; i++)

  2355.             {

  2356.                 // Dry/Wet

  2357.                 if (do_drywet)

  2358.                 {

  2359.                     for (k=0; k < frames; k++)

  2360.                     {

  2361.                         if (aOut.count == 1 && ! h2)

  2362.                             outBuffer[i][k] = (outBuffer[i][k]*x_dryWet)+(inBuffer[0][k]*(1.0-x_dryWet));

  2363.                         else

  2364.                             outBuffer[i][k] = (outBuffer[i][k]*x_dryWet)+(inBuffer[i][k]*(1.0-x_dryWet));

  2365.                     }

  2366.                 }

  2367. 

  2368.                 // Balance

  2369.                 if (do_balance)

  2370.                 {

  2371.                     if (i%2 == 0)

  2372.                         memcpy(&oldBufLeft, outBuffer[i], sizeof(float)*frames);

  2373. 

  2374.                     bal_rangeL = (x_balanceLeft+1.0)/2;

  2375.                     bal_rangeR = (x_balanceRight+1.0)/2;

  2376. 

  2377.                     for (k=0; k < frames; k++)

  2378.                     {

  2379.                         if (i%2 == 0)

  2380.                         {

  2381.                             // left output

  2382.                             outBuffer[i][k]  = oldBufLeft[k]*(1.0-bal_rangeL);

  2383.                             outBuffer[i][k] += outBuffer[i+1][k]*(1.0-bal_rangeR);

  2384.                         }

  2385.                         else

  2386.                         {

  2387.                             // right

  2388.                             outBuffer[i][k]  = outBuffer[i][k]*bal_rangeR;

  2389.                             outBuffer[i][k] += oldBufLeft[k]*bal_rangeL;

  2390.                         }

  2391.                     }

  2392.                 }

  2393. 

  2394.                 // Volume

  2395.                 if (do_volume)

  2396.                 {

  2397.                     for (k=0; k < frames; k++)

  2398.                         outBuffer[i][k] *= x_volume;

  2399.                 }

  2400. 

  2401.                 // Output VU

  2402.                 for (k=0; i < 2 && k < frames; k++)

  2403.                 {

  2404.                     if (abs(outBuffer[i][k]) > aOutsPeak[i])

  2405.                         aOutsPeak[i] = abs(outBuffer[i][k]);

  2406.                 }

  2407.             }

  2408.         }

  2409.         else

  2410.         {

  2411.             // disable any output sound if not active

  2412.             for (i=0; i < aOut.count; i++)

  2413.                 memset(outBuffer[i], 0.0f, sizeof(float)*frames);

  2414. 

  2415.             aOutsPeak[0] = 0.0;

  2416.             aOutsPeak[1] = 0.0;

  2417. 

  2418.         } // End of Post-processing

  2419. 

  2420.         CARLA_PROCESS_CONTINUE_CHECK;

  2421. 

  2422.         // --------------------------------------------------------------------------------------------------------

  2423.         // Control Output

  2424. 

  2425.         if (param.portCout && m_active)

  2426.         {

  2427.             double value;

  2428. 

  2429.             for (k=0; k < param.count; k++)

  2430.             {

  2431.                 if (param.data[k].type == PARAMETER_OUTPUT)

  2432.                 {

  2433.                     fixParameterValue(paramBuffers[k], param.ranges[k]);

  2434. 

  2435.                     if (param.data[k].midiCC > 0)

  2436.                     {

  2437.                         value = (paramBuffers[k] - param.ranges[k].min) / (param.ranges[k].max - param.ranges[k].min);

  2438.                         param.portCout->writeEvent(CarlaEngineEventControlChange, framesOffset, param.data[k].midiChannel, param.data[k].midiCC, value);

  2439.                     }

  2440.                 }

  2441.             }

  2442.         } // End of Control Output

  2443. 

  2444.         CARLA_PROCESS_CONTINUE_CHECK;

  2445. 

  2446.         // --------------------------------------------------------------------------------------------------------

  2447.         // MIDI Output

  2448. 

  2449.         if (evOut.count > 0 && m_active)

  2450.         {

  2451.             for (i=0; i < evOut.count; i++)

  2452.             {

  2453.                 if (! evOut.data[i].port)

  2454.                     continue;

  2455. 

  2456.                 if (evOut.data[i].type & CARLA_EVENT_DATA_ATOM)

  2457.                 {

  2458.                     uint32_t size   = evOut.data[i].atom->atom.size - sizeof(LV2_Atom_Sequence_Body);

  2459.                     uint32_t offset = 0;

  2460. 

  2461.                     while (offset < size)

  2462.                     {

  2463.                         const LV2_Atom_Event* const aev = (LV2_Atom_Event*)((char*)LV2_ATOM_CONTENTS(LV2_Atom_Sequence, evOut.data[i].atom) + offset);

  2464. 

  2465.                         if ((! aev) || aev->body.type == CARLA_URI_MAP_ID_NULL)

  2466.                             break;

  2467. 

  2468.                         if (aev->body.type == CARLA_URI_MAP_ID_MIDI_EVENT)

  2469.                         {

  2470.                             const unsigned char* const data = (unsigned char*)LV2_ATOM_BODY(&aev->body);

  2471.                             evOut.data[i].port->writeEvent(aev->time.frames, data, aev->body.size);

  2472.                         }

  2473. 

  2474.                         offset += lv2_atom_pad_size(sizeof(LV2_Atom_Event) + aev->body.size);

  2475.                     }

  2476.                 }

  2477.                 else if (evOut.data[i].type & CARLA_EVENT_DATA_EVENT)

  2478.                 {

  2479.                     const LV2_Event* ev;

  2480.                     LV2_Event_Iterator iter;

  2481. 

  2482.                     uint8_t* data;

  2483.                     lv2_event_begin(&iter, evOut.data[i].event);

  2484. 

  2485.                     for (k=0; k < iter.buf->event_count; k++)

  2486.                     {

  2487.                         ev = lv2_event_get(&iter, &data);

  2488. 

  2489.                         if (ev && ev->type == CARLA_URI_MAP_ID_MIDI_EVENT && data)

  2490.                             evOut.data[i].port->writeEvent(ev->frames, data, ev->size);

  2491. 

  2492.                         lv2_event_increment(&iter);

  2493.                     }

  2494.                 }

  2495.                 else if (evOut.data[i].type & CARLA_EVENT_DATA_MIDI_LL)

  2496.                 {

  2497.                     LV2_MIDIState state = { evOut.data[i].midi, frames, 0 };

  2498. 

  2499.                     uint32_t eventSize;

  2500.                     double   eventTime;

  2501.                     unsigned char* eventData;

  2502. 

  2503.                     while (lv2midi_get_event(&state, &eventTime, &eventSize, &eventData) < frames)

  2504.                     {

  2505.                         evOut.data[i].port->writeEvent(eventTime, eventData, eventSize);

  2506.                         lv2midi_step(&state);

  2507.                     }

  2508.                 }

  2509.             }

  2510.         } // End of MIDI Output

  2511. 

  2512.         CARLA_PROCESS_CONTINUE_CHECK;

  2513. 

  2514.         // --------------------------------------------------------------------------------------------------------

  2515.         // Peak Values

  2516. 

  2517.         x_engine->setInputPeak(m_id, 0, aInsPeak[0]);

  2518.         x_engine->setInputPeak(m_id, 1, aInsPeak[1]);

  2519.         x_engine->setOutputPeak(m_id, 0, aOutsPeak[0]);

  2520.         x_engine->setOutputPeak(m_id, 1, aOutsPeak[1]);

  2521. 

  2522.         m_activeBefore = m_active;

  2523.     }

  2524. 

  2525.     void bufferSizeChanged(const uint32_t newBufferSize)

  2526.     {

  2527.         lv2Options.bufferSize = newBufferSize;

  2528.     }

  2529. 

  2530.     // -------------------------------------------------------------------

  2531.     // Post-poned events

  2532. 

  2533.     void uiParameterChange(const uint32_t index, const double value)

  2534.     {

  2535.         Q_ASSERT(index < param.count);

  2536. 

  2537.         if (index >= param.count)

  2538.             return;

  2539. 

  2540. #ifndef BUILD_BRIDGE

  2541.         if (gui.type == GUI_EXTERNAL_OSC)

  2542.         {

  2543.             if (osc.data.target)

  2544.                 osc_send_control(&osc.data, param.data[index].rindex, value);

  2545.         }

  2546.         else

  2547. #endif

  2548.         {

  2549.             if (ui.handle && ui.descriptor && ui.descriptor->port_event)

  2550.             {

  2551.                 float valueF = value;

  2552.                 ui.descriptor->port_event(ui.handle, param.data[index].rindex, sizeof(float), 0, &valueF);

  2553.             }

  2554.         }

  2555.     }

  2556. 

  2557.     void uiMidiProgramChange(const uint32_t index)

  2558.     {

  2559.         Q_ASSERT(index < midiprog.count);

  2560. 

  2561.         if (index >= midiprog.count)

  2562.             return;

  2563. 

  2564. #ifndef BUILD_BRIDGE

  2565.         if (gui.type == GUI_EXTERNAL_OSC)

  2566.         {

  2567.             if (osc.data.target)

  2568.                 osc_send_program(&osc.data, midiprog.data[index].bank, midiprog.data[index].program);

  2569.         }

  2570.         else

  2571. #endif

  2572.         {

  2573.             if (ext.uiprograms)

  2574.                 ext.uiprograms->select_program(ui.handle, midiprog.data[index].bank, midiprog.data[index].program);

  2575.         }

  2576.     }

  2577. 

  2578.     void uiNoteOn(const uint8_t channel, const uint8_t note, const uint8_t velo)

  2579.     {

  2580.         Q_ASSERT(channel < 16);

  2581.         Q_ASSERT(note < 128);

  2582.         Q_ASSERT(velo < 128);

  2583. 

  2584. #ifndef BUILD_BRIDGE

  2585.         if (gui.type == GUI_EXTERNAL_OSC)

  2586.         {

  2587.             if (osc.data.target)

  2588.             {

  2589.                 uint8_t midiData[4] = { 0 };

  2590.                 midiData[1] = MIDI_STATUS_NOTE_ON + channel;

  2591.                 midiData[2] = note;

  2592.                 midiData[3] = velo;

  2593.                 osc_send_midi(&osc.data, midiData);

  2594.             }

  2595.         }

  2596.         else

  2597. #endif

  2598.         {

  2599.             uiTransferAtom(); // TODO

  2600.         }

  2601.     }

  2602. 

  2603.     void uiNoteOff(const uint8_t channel, const uint8_t note)

  2604.     {

  2605.         Q_ASSERT(channel < 16);

  2606.         Q_ASSERT(note < 128);

  2607. 

  2608. #ifndef BUILD_BRIDGE

  2609.         if (gui.type == GUI_EXTERNAL_OSC)

  2610.         {

  2611.             if (osc.data.target)

  2612.             {

  2613.                 uint8_t midiData[4] = { 0 };

  2614.                 midiData[1] = MIDI_STATUS_NOTE_OFF + channel;

  2615.                 midiData[2] = note;

  2616.                 osc_send_midi(&osc.data, midiData);

  2617.             }

  2618.         }

  2619.         else

  2620. #endif

  2621.         {

  2622.             uiTransferAtom(); // TODO

  2623.         }

  2624.     }

  2625. 

  2626.     // -------------------------------------------------------------------

  2627.     // Cleanup

  2628. 

  2629.     void removeClientPorts()

  2630.     {

  2631.         qDebug("Lv2Plugin::removeClientPorts() - start");

  2632. 

  2633.         for (uint32_t i=0; i < evIn.count; i++)

  2634.         {

  2635.             if (evIn.data[i].port)

  2636.             {

  2637.                 delete evIn.data[i].port;

  2638.                 evIn.data[i].port = nullptr;

  2639.             }

  2640.         }

  2641. 

  2642.         for (uint32_t i=0; i < evOut.count; i++)

  2643.         {

  2644.             if (evOut.data[i].port)

  2645.             {

  2646.                 delete evOut.data[i].port;

  2647.                 evOut.data[i].port = nullptr;

  2648.             }

  2649.         }

  2650. 

  2651.         CarlaPlugin::removeClientPorts();

  2652. 

  2653.         qDebug("Lv2Plugin::removeClientPorts() - end");

  2654.     }

  2655. 

  2656.     void initBuffers()

  2657.     {

  2658.         uint32_t i;

  2659. 

  2660.         for (i=0; i < evIn.count; i++)

  2661.         {

  2662.             if (evIn.data[i].port)

  2663.                 evIn.data[i].port->initBuffer(x_engine);

  2664.         }

  2665. 

  2666.         for (uint32_t i=0; i < evOut.count; i++)

  2667.         {

  2668.             if (evOut.data[i].port)

  2669.                 evOut.data[i].port->initBuffer(x_engine);

  2670.         }

  2671. 

  2672.         CarlaPlugin::initBuffers();

  2673.     }

  2674. 

  2675.     void deleteBuffers()

  2676.     {

  2677.         qDebug("Lv2Plugin::deleteBuffers() - start");

  2678. 

  2679.         if (evIn.count > 0)

  2680.         {

  2681.             for (uint32_t i=0; i < evIn.count; i++)

  2682.             {

  2683.                 if (evIn.data[i].type & CARLA_EVENT_DATA_ATOM)

  2684.                 {

  2685.                     free(evIn.data[i].atom);

  2686.                 }

  2687.                 else if (evIn.data[i].type & CARLA_EVENT_DATA_EVENT)

  2688.                 {

  2689.                     free(evIn.data[i].event);

  2690.                 }

  2691.                 else if (evIn.data[i].type & CARLA_EVENT_DATA_MIDI_LL)

  2692.                 {

  2693.                     delete[] evIn.data[i].midi->data;

  2694.                     delete evIn.data[i].midi;

  2695.                 }

  2696.             }

  2697. 

  2698.             delete[] evIn.data;

  2699.         }

  2700. 

  2701.         if (evOut.count > 0)

  2702.         {

  2703.             for (uint32_t i=0; i < evOut.count; i++)

  2704.             {

  2705.                 if (evOut.data[i].type & CARLA_EVENT_DATA_ATOM)

  2706.                 {

  2707.                     free(evOut.data[i].atom);

  2708.                 }

  2709.                 else if (evOut.data[i].type & CARLA_EVENT_DATA_EVENT)

  2710.                 {

  2711.                     free(evOut.data[i].event);

  2712.                 }

  2713.                 else if (evOut.data[i].type & CARLA_EVENT_DATA_MIDI_LL)

  2714.                 {

  2715.                     delete[] evOut.data[i].midi->data;

  2716.                     delete evOut.data[i].midi;

  2717.                 }

  2718.             }

  2719. 

  2720.             delete[] evOut.data;

  2721.         }

  2722. 

  2723.         if (param.count > 0)

  2724.             delete[] paramBuffers;

  2725. 

  2726.         evIn.count = 0;

  2727.         evIn.data  = nullptr;

  2728. 

  2729.         evOut.count = 0;

  2730.         evOut.data  = nullptr;

  2731. 

  2732.         paramBuffers = nullptr;

  2733. 

  2734.         qDebug("Lv2Plugin::deleteBuffers() - end");

  2735.     }

  2736. 

  2737.     // -------------------------------------------------------------------

  2738. 

  2739.     uint32_t getCustomURID(const char* const uri)

  2740.     {

  2741.         qDebug("Lv2Plugin::getCustomURID(%s)", uri);

  2742.         Q_ASSERT(uri);

  2743. 

  2744.         if (! uri)

  2745.             return CARLA_URI_MAP_ID_NULL;

  2746. 

  2747.         for (size_t i=0; i < customURIDs.size(); i++)

  2748.         {

  2749.             if (customURIDs[i] && strcmp(customURIDs[i], uri) == 0)

  2750.                 return i;

  2751.         }

  2752. 

  2753.         customURIDs.push_back(strdup(uri));

  2754. 

  2755.         return customURIDs.size()-1;

  2756.     }

  2757. 

  2758.     const char* getCustomURIString(const LV2_URID urid) const

  2759.     {

  2760.         qDebug("Lv2Plugin::getCustomURIString(%i)", urid);

  2761.         Q_ASSERT(urid > CARLA_URI_MAP_ID_NULL);

  2762. 

  2763.         if (urid == CARLA_URI_MAP_ID_NULL)

  2764.             return nullptr;

  2765.         if (urid < customURIDs.size())

  2766.             return customURIDs[urid];

  2767. 

  2768.         return nullptr;

  2769.     }

  2770. 

  2771.     // -------------------------------------------------------------------

  2772. 

  2773.     void handleTransferAtom(const LV2_Atom* const atom, const char* const stype)

  2774.     {

  2775.         qDebug("Lv2Plugin::handleAtomTransfer(%p, \"%s\")", atom, stype);

  2776.         Q_ASSERT(atom);

  2777.         Q_ASSERT(stype);

  2778. 

  2779.         // TODO

  2780.     }

  2781. 

  2782.     void handleTransferEvent(const LV2_Atom* const atom, const char* const stype)

  2783.     {

  2784.         qDebug("Lv2Plugin::handleEventTransfer(%p, \"%s\")", atom, stype);

  2785.         Q_ASSERT(atom);

  2786.         Q_ASSERT(stype);

  2787. 

  2788.         const LV2_URID uridAtomBlank = getCustomURID(LV2_ATOM__Blank);

  2789.         const LV2_URID uridPatchBody = getCustomURID(LV2_PATCH__body);

  2790.         const LV2_URID uridPatchSet  = getCustomURID(LV2_PATCH__Set);

  2791. 

  2792.         if (atom->type != uridAtomBlank)

  2793.         {

  2794.             qWarning("Lv2Plugin::handleEventTransfer() - Not blank");

  2795.             return;

  2796.         }

  2797. 

  2798.         const LV2_Atom_Object* const obj = (LV2_Atom_Object*)atom;

  2799. 

  2800.         if (obj->body.otype != uridPatchSet)

  2801.         {

  2802.             qWarning("Lv2Plugin::handleEventTransfer() - Not Patch Set");

  2803.             return;

  2804.         }

  2805. 

  2806.         const LV2_Atom_Object* body = nullptr;

  2807.         lv2_atom_object_get(obj, uridPatchBody, &body, 0);

  2808. 

  2809.         if (! body)

  2810.         {

  2811.             qWarning("Lv2Plugin::handleEventTransfer() - Has no body");

  2812.             return;

  2813.         }

  2814. 

  2815.         LV2_ATOM_OBJECT_FOREACH(body, iter)

  2816.         {

  2817.             CustomDataType dtype  = CUSTOM_DATA_INVALID;

  2818.             const char* const key = getCustomURIString(iter->key);

  2819.             const char* value     = nullptr;

  2820. 

  2821.             if (iter->value.type == CARLA_URI_MAP_ID_ATOM_STRING || iter->value.type == CARLA_URI_MAP_ID_ATOM_PATH)

  2822.             {

  2823.                 value = strdup((const char*)LV2_ATOM_BODY(&iter->value));

  2824.                 dtype = (iter->value.type == CARLA_URI_MAP_ID_ATOM_STRING) ? CUSTOM_DATA_STRING : CUSTOM_DATA_PATH;

  2825.             }

  2826.             else if (iter->value.type == CARLA_URI_MAP_ID_ATOM_CHUNK || iter->value.type >= CARLA_URI_MAP_ID_COUNT)

  2827.             {

  2828.                 QByteArray chunk((const char*)LV2_ATOM_BODY(&iter->value), iter->value.size);

  2829.                 value = strdup(chunk.toBase64().constData());

  2830.                 dtype = (iter->value.type == CARLA_URI_MAP_ID_ATOM_CHUNK) ? CUSTOM_DATA_CHUNK : CUSTOM_DATA_BINARY; // FIXME - binary should be custom stype

  2831.             }

  2832.             else

  2833.                 value = strdup("");

  2834. 

  2835.             setCustomData(dtype, key, value, false);

  2836. 

  2837.             free((void*)value);

  2838.         }

  2839.     }

  2840. 

  2841.     // -------------------------------------------------------------------

  2842. 

  2843.     void handleProgramChanged(const int32_t index)

  2844.     {

  2845.         if (index == -1)

  2846.         {

  2847.             const CarlaPlugin::ScopedDisabler m(this);

  2848.             reloadPrograms(false);

  2849.         }

  2850.         else

  2851.         {

  2852.             if (index >= 0 && index < (int32_t)prog.count && ext.programs)

  2853.             {

  2854.                 const char* const progName = ext.programs->get_program(handle, index)->name;

  2855.                 Q_ASSERT(progName);

  2856. 

  2857.                 if (prog.names[index])

  2858.                     free((void*)prog.names[index]);

  2859. 

  2860.                 prog.names[index] = strdup(progName);

  2861.             }

  2862.         }

  2863. 

  2864.         x_engine->callback(CALLBACK_RELOAD_PROGRAMS, m_id, 0, 0, 0.0);

  2865.     }

  2866. 

  2867.     LV2_State_Status handleStateStore(const uint32_t key, const void* const value, const size_t size, const uint32_t type, const uint32_t flags)

  2868.     {

  2869.         Q_ASSERT(key > 0);

  2870.         Q_ASSERT(value);

  2871. 

  2872.         CustomDataType dtype;

  2873.         const char* const uriKey = getCustomURIString(key);

  2874. 

  2875.         if (type == CARLA_URI_MAP_ID_ATOM_CHUNK)

  2876.             dtype = CUSTOM_DATA_CHUNK;

  2877.         else if (type == CARLA_URI_MAP_ID_ATOM_PATH)

  2878.             dtype = CUSTOM_DATA_PATH;

  2879.         else if (type == CARLA_URI_MAP_ID_ATOM_STRING)

  2880.             dtype = CUSTOM_DATA_STRING;

  2881.         else if (type >= CARLA_URI_MAP_ID_COUNT)

  2882.             dtype = CUSTOM_DATA_BINARY;

  2883.         else

  2884.             dtype = CUSTOM_DATA_INVALID;

  2885. 

  2886.         // do basic checks

  2887.         if (! uriKey)

  2888.         {

  2889.             qWarning("Lv2Plugin::handleStateStore(%i, %p, " P_SIZE ", %i, %i) - invalid key", key, value, size, type, flags);

  2890.             return LV2_STATE_ERR_NO_PROPERTY;

  2891.         }

  2892. 

  2893.         if (! flags & LV2_STATE_IS_POD)

  2894.         {

  2895.             qWarning("Lv2Plugin::handleStateStore(%i, %p, " P_SIZE ", %i, %i) - invalid flags", key, value, size, type, flags);

  2896.             return LV2_STATE_ERR_BAD_FLAGS;

  2897.         }

  2898. 

  2899.         if (dtype == CUSTOM_DATA_INVALID)

  2900.         {

  2901.             qCritical("Lv2Plugin::handleStateStore(%i, %p, " P_SIZE ", %i, %i) - invalid type '%s'", key, value, size, type, flags, CustomDataType2str(dtype));

  2902.             return LV2_STATE_ERR_BAD_TYPE;

  2903.         }

  2904. 

  2905.         // Check if we already have this key

  2906.         for (size_t i=0; i < custom.size(); i++)

  2907.         {

  2908.             if (strcmp(custom[i].key, uriKey) == 0)

  2909.             {

  2910.                 free((void*)custom[i].value);

  2911. 

  2912.                 if (dtype == CUSTOM_DATA_STRING || dtype == CUSTOM_DATA_PATH)

  2913.                     custom[i].value = strdup((const char*)value);

  2914.                 else

  2915.                     custom[i].value = strdup(QByteArray((const char*)value, size).toBase64().constData());

  2916. 

  2917.                 return LV2_STATE_SUCCESS;

  2918.             }

  2919.         }

  2920. 

  2921.         // Otherwise store it

  2922.         CustomData newData;

  2923.         newData.type = dtype;

  2924.         newData.key  = strdup(uriKey);

  2925. 

  2926.         if (dtype == CUSTOM_DATA_STRING || dtype == CUSTOM_DATA_PATH)

  2927.             newData.value = strdup((const char*)value);

  2928.         else

  2929.             newData.value = strdup(QByteArray((const char*)value, size).toBase64().constData());

  2930. 

  2931.         custom.push_back(newData);

  2932. 

  2933.         return LV2_STATE_SUCCESS;

  2934.     }

  2935. 

  2936.     const void* handleStateRetrieve(const uint32_t key, size_t* const size, uint32_t* const type, uint32_t* const flags)

  2937.     {

  2938.         Q_ASSERT(key > CARLA_URI_MAP_ID_NULL);

  2939. 

  2940.         const char* const uriKey = getCustomURIString(key);

  2941. 

  2942.         if (! uriKey)

  2943.         {

  2944.             qCritical("Lv2Plugin::handleStateRetrieve(%i, %p, %p, %p) - failed to find key", key, size, type, flags);

  2945.             return nullptr;

  2946.         }

  2947. 

  2948.         const char* stringData = nullptr;

  2949.         CustomDataType dtype = CUSTOM_DATA_INVALID;

  2950. 

  2951.         for (size_t i=0; i < custom.size(); i++)

  2952.         {

  2953.             if (strcmp(custom[i].key, uriKey) == 0)

  2954.             {

  2955.                 dtype      = custom[i].type;

  2956.                 stringData = custom[i].value;

  2957.                 break;

  2958.             }

  2959.         }

  2960. 

  2961.         if (! stringData)

  2962.         {

  2963.             qCritical("Lv2Plugin::handleStateRetrieve(%i, %p, %p, %p) - invalid key '%s'", key, size, type, flags, uriKey);

  2964.             return nullptr;

  2965.         }

  2966. 

  2967.         *size  = 0;

  2968.         *type  = 0;

  2969.         *flags = LV2_STATE_IS_POD;

  2970. 

  2971.         if (dtype == CUSTOM_DATA_STRING)

  2972.         {

  2973.             *size = strlen(stringData);

  2974.             *type = CARLA_URI_MAP_ID_ATOM_STRING;

  2975.             return stringData;

  2976.         }

  2977.         if (dtype == CUSTOM_DATA_PATH)

  2978.         {

  2979.             *size = strlen(stringData);

  2980.             *type = CARLA_URI_MAP_ID_ATOM_PATH;

  2981.             return stringData;

  2982.         }

  2983.         if (dtype == CUSTOM_DATA_CHUNK || dtype == CUSTOM_DATA_BINARY)

  2984.         {

  2985.             static QByteArray chunk;

  2986.             chunk = QByteArray::fromBase64(stringData);

  2987. 

  2988.             *size = chunk.size();

  2989.             *type = (dtype == CUSTOM_DATA_CHUNK) ? CARLA_URI_MAP_ID_ATOM_CHUNK : key;

  2990.             return chunk.constData();

  2991.         }

  2992. 

  2993.         qCritical("Lv2Plugin::handleStateRetrieve(%i, %p, %p, %p) - invalid key type '%s'", key, size, type, flags, CustomDataType2str(dtype));

  2994.         return nullptr;

  2995.     }

  2996. 

  2997.     LV2_Worker_Status handleWorkerSchedule(const uint32_t /*size*/, const void* const /*data*/)

  2998.     {

  2999.         // TODO

  3000.         return LV2_WORKER_SUCCESS;

  3001.     }

  3002. 

  3003.     LV2_Worker_Status handleWorkerRespond(const uint32_t /*size*/, const void* const /*data*/)

  3004.     {

  3005.         // TODO

  3006.         if (ext.worker)

  3007.             return LV2_WORKER_SUCCESS;

  3008. 

  3009.         return LV2_WORKER_ERR_UNKNOWN;

  3010.     }

  3011. 

  3012.     void handleExternalUiClosed()

  3013.     {

  3014.         if (ui.handle && ui.descriptor && ui.descriptor->cleanup)

  3015.             ui.descriptor->cleanup(ui.handle);

  3016. 

  3017.         ui.handle = nullptr;

  3018.         x_engine->callback(CALLBACK_SHOW_GUI, m_id, 0, 0, 0.0);

  3019.     }

  3020. 

  3021.     uint32_t handleUiPortMap(const char* const symbol)

  3022.     {

  3023.         Q_ASSERT(symbol);

  3024. 

  3025.         if (! symbol)

  3026.             return LV2UI_INVALID_PORT_INDEX;

  3027. 

  3028.         for (uint32_t i=0; i < rdf_descriptor->PortCount; i++)

  3029.         {

  3030.             if (strcmp(rdf_descriptor->Ports[i].Symbol, symbol) == 0)

  3031.                 return i;

  3032.         }

  3033. 

  3034.         return LV2UI_INVALID_PORT_INDEX;

  3035.     }

  3036. 

  3037.     int handleUiResize(const int width, const int height)

  3038.     {

  3039.         Q_ASSERT(width > 0);

  3040.         Q_ASSERT(height > 0);

  3041. 

  3042.         if (width <= 0 || height <= 0)

  3043.             return 1;

  3044. 

  3045.         gui.width  = width;

  3046.         gui.height = height;

  3047.         x_engine->callback(CALLBACK_RESIZE_GUI, m_id, width, height, 0.0);

  3048. 

  3049.         return 0;

  3050.     }

  3051. 

  3052.     void handleUiWrite(const uint32_t rindex, const uint32_t bufferSize, const uint32_t format, const void* const buffer)

  3053.     {

  3054.         if (format == 0)

  3055.         {

  3056.             Q_ASSERT(buffer);

  3057.             Q_ASSERT(bufferSize == sizeof(float));

  3058. 

  3059.             float value = *(float*)buffer;

  3060. 

  3061.             for (uint32_t i=0; i < param.count; i++)

  3062.             {

  3063.                 if (param.data[i].rindex == (int32_t)rindex)

  3064.                     return setParameterValue(i, value, false, true, true);

  3065.             }

  3066.         }

  3067.         else if (format == CARLA_URI_MAP_ID_ATOM_TRANSFER_ATOM)

  3068.         {

  3069.             Q_ASSERT(buffer);

  3070. 

  3071.             const LV2_Atom* const atom = (const LV2_Atom*)buffer;

  3072.             handleTransferAtom(atom, getCustomURIString(atom->type));

  3073. 

  3074.             if (ui.handle && ui.descriptor && ui.descriptor->port_event)

  3075.                 ui.descriptor->port_event(ui.handle, 0, atom->size, CARLA_URI_MAP_ID_ATOM_TRANSFER_ATOM, atom);

  3076.         }

  3077.         else if (format == CARLA_URI_MAP_ID_ATOM_TRANSFER_EVENT)

  3078.         {

  3079.             Q_ASSERT(buffer);

  3080. 

  3081.             const LV2_Atom* const atom = (const LV2_Atom*)buffer;

  3082.             handleTransferEvent(atom, getCustomURIString(atom->type));

  3083. 

  3084.             if (ui.handle && ui.descriptor && ui.descriptor->port_event)

  3085.                 ui.descriptor->port_event(ui.handle, 0, atom->size, CARLA_URI_MAP_ID_ATOM_TRANSFER_EVENT, atom);

  3086.         }

  3087.     }

  3088. 

  3089.     // -------------------------------------------------------------------

  3090. 

  3091. #ifndef BUILD_BRIDGE

  3092.     bool isUiBridgeable(const uint32_t uiId)

  3093.     {

  3094.         Q_ASSERT(rdf_descriptor);

  3095.         Q_ASSERT(uiId < rdf_descriptor->UICount);

  3096. 

  3097.         if (uiId >= rdf_descriptor->UICount)

  3098.             return false;

  3099. 

  3100.         const LV2_RDF_UI* const rdf_ui = &rdf_descriptor->UIs[uiId];

  3101. 

  3102.         for (uint32_t i=0; i < rdf_ui->FeatureCount; i++)

  3103.         {

  3104.             if (strcmp(rdf_ui->Features[i].URI, LV2_INSTANCE_ACCESS_URI) == 0 || strcmp(rdf_ui->Features[i].URI, LV2_DATA_ACCESS_URI) == 0)

  3105.                 return false;

  3106.         }

  3107. 

  3108.         return true;

  3109.     }

  3110. #endif

  3111. 

  3112.     bool isUiResizable()

  3113.     {

  3114.         Q_ASSERT(ui.rdf_descriptor);

  3115. 

  3116.         if (! ui.rdf_descriptor)

  3117.             return false;

  3118. 

  3119.         for (uint32_t i=0; i < ui.rdf_descriptor->FeatureCount; i++)

  3120.         {

  3121.             if (strcmp(ui.rdf_descriptor->Features[i].URI, LV2_UI__fixedSize) == 0 || strcmp(ui.rdf_descriptor->Features[i].URI, LV2_UI__noUserResize) == 0)

  3122.                 return false;

  3123.         }

  3124. 

  3125.         return true;

  3126.     }

  3127. 

  3128.     void initExternalUi()

  3129.     {

  3130.         qDebug("Lv2Plugin::initExternalUi()");

  3131. 

  3132.         ui.widget = nullptr;

  3133.         ui.handle = ui.descriptor->instantiate(ui.descriptor, descriptor->URI, ui.rdf_descriptor->Bundle, carla_lv2_ui_write_function, this, &ui.widget, features);

  3134. 

  3135.         if (ui.handle && ui.widget)

  3136.         {

  3137.             updateUi();

  3138.         }

  3139.         else

  3140.         {

  3141.             qWarning("Lv2Plugin::initExternalUi() - failed to instantiate UI");

  3142.             ui.handle = nullptr;

  3143.             ui.widget = nullptr;

  3144.             x_engine->callback(CALLBACK_SHOW_GUI, m_id, -1, 0, 0.0);

  3145.         }

  3146.     }

  3147. 

  3148.     void uiTransferAtom()

  3149.     {

  3150.         // TODO

  3151.     }

  3152. 

  3153.     void uiTransferEvent(const CustomData* const cdata)

  3154.     {

  3155.         if (cdata->type == CUSTOM_DATA_INVALID || ! ui.descriptor->port_event)

  3156.             return;

  3157. 

  3158.         LV2_URID_Map* const URID_Map = (LV2_URID_Map*)features[lv2_feature_id_urid_map]->data;

  3159.         const LV2_URID uridPatchSet  = getCustomURID(LV2_PATCH__Set);

  3160.         const LV2_URID uridPatchBody = getCustomURID(LV2_PATCH__body);

  3161. 

  3162.         Sratom* const sratom = sratom_new(URID_Map);

  3163.         SerdChunk     chunk  = { nullptr, 0 };

  3164. 

  3165.         LV2_Atom_Forge forge;

  3166.         lv2_atom_forge_init(&forge, URID_Map);

  3167.         lv2_atom_forge_set_sink(&forge, sratom_forge_sink, sratom_forge_deref, &chunk);

  3168. 

  3169.         LV2_Atom_Forge_Frame refFrame, bodyFrame;

  3170.         LV2_Atom_Forge_Ref   ref = lv2_atom_forge_blank(&forge, &refFrame, 1, uridPatchSet);

  3171. 

  3172.         lv2_atom_forge_property_head(&forge, uridPatchBody, CARLA_URI_MAP_ID_NULL);

  3173.         lv2_atom_forge_blank(&forge, &bodyFrame, 2, CARLA_URI_MAP_ID_NULL);

  3174. 

  3175.         lv2_atom_forge_property_head(&forge, getCustomURID(cdata->key), CARLA_URI_MAP_ID_NULL);

  3176. 

  3177.         if (cdata->type == CUSTOM_DATA_STRING)

  3178.             lv2_atom_forge_string(&forge, cdata->value, strlen(cdata->value));

  3179.         else if (cdata->type == CUSTOM_DATA_PATH)

  3180.             lv2_atom_forge_path(&forge, cdata->value, strlen(cdata->value));

  3181.         else if (cdata->type == CUSTOM_DATA_CHUNK)

  3182.             lv2_atom_forge_literal(&forge, cdata->value, strlen(cdata->value), CARLA_URI_MAP_ID_ATOM_CHUNK, CARLA_URI_MAP_ID_NULL);

  3183.         else

  3184.             lv2_atom_forge_literal(&forge, cdata->value, strlen(cdata->value), getCustomURID(cdata->key), CARLA_URI_MAP_ID_NULL);

  3185. 

  3186.         lv2_atom_forge_pop(&forge, &bodyFrame);

  3187.         lv2_atom_forge_pop(&forge, &refFrame);

  3188. 

  3189.         const LV2_Atom* const atom = lv2_atom_forge_deref(&forge, ref);

  3190.         ui.descriptor->port_event(ui.handle, 0, atom->size, CARLA_URI_MAP_ID_ATOM_TRANSFER_EVENT, atom);

  3191. 

  3192.         free((void*)chunk.buf);

  3193.         sratom_free(sratom);

  3194.     }

  3195. 

  3196.     void updateUi()

  3197.     {

  3198.         qDebug("Lv2Plugin::updateUi()");

  3199. 

  3200.         ext.uiprograms = nullptr;

  3201. 

  3202.         if (ui.handle && ui.descriptor)

  3203.         {

  3204.             if (ui.descriptor->extension_data)

  3205.             {

  3206.                 ext.uiprograms = (const LV2_Programs_UI_Interface*)ui.descriptor->extension_data(LV2_PROGRAMS__UIInterface);

  3207. 

  3208.                 if (ext.uiprograms && ! ext.uiprograms->select_program)

  3209.                     // invalid

  3210.                     ext.uiprograms = nullptr;

  3211. 

  3212.                 if (ext.uiprograms && midiprog.count > 0 && midiprog.current >= 0)

  3213.                     ext.uiprograms->select_program(ui.handle, midiprog.data[midiprog.current].bank, midiprog.data[midiprog.current].program);

  3214.             }

  3215. 

  3216.             if (ui.descriptor->port_event)

  3217.             {

  3218.                 // get&store custom data to be sent to the UI

  3219.                 prepareForSave();

  3220. 

  3221.                 // update state (custom data)

  3222.                 for (size_t i=0; i < custom.size(); i++)

  3223.                     uiTransferEvent(&custom[i]);

  3224. 

  3225.                 // update control ports

  3226.                 float valueF;

  3227.                 for (uint32_t i=0; i < param.count; i++)

  3228.                 {

  3229.                     valueF = getParameterValue(i);

  3230.                     ui.descriptor->port_event(ui.handle, param.data[i].rindex, sizeof(float), 0, &valueF);

  3231.                 }

  3232.             }

  3233.         }

  3234.     }

  3235. 

  3236.     // ----------------- Event Feature ---------------------------------------------------

  3237. 

  3238.     static uint32_t carla_lv2_event_ref(const LV2_Event_Callback_Data callback_data, LV2_Event* const event)

  3239.     {

  3240.         qDebug("Lv2Plugin::carla_lv2_event_ref(%p, %p)", callback_data, event);

  3241.         Q_ASSERT(callback_data);

  3242.         Q_ASSERT(event);

  3243. 

  3244.         return 0;

  3245.     }

  3246. 

  3247.     static uint32_t carla_lv2_event_unref(const LV2_Event_Callback_Data callback_data, LV2_Event* const event)

  3248.     {

  3249.         qDebug("Lv2Plugin::carla_lv2_event_unref(%p, %p)", callback_data, event);

  3250.         Q_ASSERT(callback_data);

  3251.         Q_ASSERT(event);

  3252. 

  3253.         return 0;

  3254.     }

  3255. 

  3256.     // ----------------- Logs Feature ----------------------------------------------------

  3257. 

  3258.     static int carla_lv2_log_printf(const LV2_Log_Handle handle, const LV2_URID type, const char* const fmt, ...)

  3259.     {

  3260.         qDebug("Lv2Plugin::carla_lv2_log_printf(%p, %i, \"%s\", ...)", handle, type, fmt);

  3261.         Q_ASSERT(handle);

  3262.         Q_ASSERT(type > 0);

  3263. 

  3264. #ifndef DEBUG

  3265.         if (type == CARLA_URI_MAP_ID_LOG_TRACE)

  3266.             return 0;

  3267. #endif

  3268. 

  3269.         va_list args;

  3270.         va_start(args, fmt);

  3271.         const int ret = carla_lv2_log_vprintf(handle, type, fmt, args);

  3272.         va_end(args);

  3273. 

  3274.         return ret;

  3275.     }

  3276. 

  3277.     static int carla_lv2_log_vprintf(const LV2_Log_Handle handle, const LV2_URID type, const char* const fmt, va_list ap)

  3278.     {

  3279.         qDebug("Lv2Plugin::carla_lv2_log_vprintf(%p, %i, \"%s\", ...)", handle, type, fmt);

  3280.         Q_ASSERT(handle);

  3281.         Q_ASSERT(type > 0);

  3282. 

  3283. #ifndef DEBUG

  3284.         if (type == CARLA_URI_MAP_ID_LOG_TRACE)

  3285.             return 0;

  3286. #endif

  3287. 

  3288.         char buf[8196];

  3289.         vsprintf(buf, fmt, ap);

  3290. 

  3291.         if (*buf == 0)

  3292.             return 0;

  3293. 

  3294.         switch (type)

  3295.         {

  3296.         case CARLA_URI_MAP_ID_LOG_ERROR:

  3297.             qCritical("%s", buf);

  3298.             break;

  3299.         case CARLA_URI_MAP_ID_LOG_NOTE:

  3300.             printf("%s\n", buf);

  3301.             break;

  3302.         case CARLA_URI_MAP_ID_LOG_TRACE:

  3303.             qDebug("%s", buf);

  3304.             break;

  3305.         case CARLA_URI_MAP_ID_LOG_WARNING:

  3306.             qWarning("%s", buf);

  3307.             break;

  3308.         default:

  3309.             break;

  3310.         }

  3311. 

  3312.         return strlen(buf);

  3313.     }

  3314. 

  3315.     // ----------------- Programs Feature ------------------------------------------------

  3316. 

  3317.     static void carla_lv2_program_changed(const LV2_Programs_Handle handle, const int32_t index)

  3318.     {

  3319.         qDebug("Lv2Plugin::carla_lv2_program_changed(%p, %i)", handle, index);

  3320.         Q_ASSERT(handle);

  3321. 

  3322.         if (! handle)

  3323.             return;

  3324. 

  3325.         Lv2Plugin* const plugin = (Lv2Plugin*)handle;

  3326.         plugin->handleProgramChanged(index);

  3327.     }

  3328. 

  3329.     // ----------------- State Feature ---------------------------------------------------

  3330. 

  3331.     static char* carla_lv2_state_make_path(const LV2_State_Make_Path_Handle handle, const char* const path)

  3332.     {

  3333.         qDebug("Lv2Plugin::carla_lv2_state_make_path(%p, \"%s\")", handle, path);

  3334.         Q_ASSERT(handle);

  3335.         Q_ASSERT(path);

  3336. 

  3337.         if (! path)

  3338.             return nullptr;

  3339. 

  3340.         QDir dir;

  3341.         dir.mkpath(path);

  3342.         return strdup(path);

  3343.     }

  3344. 

  3345.     static char* carla_lv2_state_map_abstract_path(const LV2_State_Map_Path_Handle handle, const char* const absolute_path)

  3346.     {

  3347.         qDebug("Lv2Plugin::carla_lv2_state_map_abstract_path(%p, \"%s\")", handle, absolute_path);

  3348.         Q_ASSERT(handle);

  3349.         Q_ASSERT(absolute_path);

  3350. 

  3351.         if (! absolute_path)

  3352.             return nullptr;

  3353. 

  3354.         QDir dir(absolute_path);

  3355.         return strdup(dir.canonicalPath().toUtf8().constData());

  3356.     }

  3357. 

  3358.     static char* carla_lv2_state_map_absolute_path(const LV2_State_Map_Path_Handle handle, const char* const abstract_path)

  3359.     {

  3360.         qDebug("Lv2Plugin::carla_lv2_state_map_absolute_path(%p, \"%s\")", handle, abstract_path);

  3361.         Q_ASSERT(handle);

  3362.         Q_ASSERT(abstract_path);

  3363. 

  3364.         if (! abstract_path)

  3365.             return nullptr;

  3366. 

  3367.         QDir dir(abstract_path);

  3368.         return strdup(dir.absolutePath().toUtf8().constData());

  3369.     }

  3370. 

  3371.     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)

  3372.     {

  3373.         qDebug("Lv2Plugin::carla_lv2_state_store(%p, %i, %p, " P_SIZE ", %i, %i)", handle, key, value, size, type, flags);

  3374.         Q_ASSERT(handle);

  3375. 

  3376.         if (! handle)

  3377.             return LV2_STATE_ERR_UNKNOWN;

  3378. 

  3379.         Lv2Plugin* const plugin = (Lv2Plugin*)handle;

  3380.         return plugin->handleStateStore(key, value, size, type, flags);

  3381.     }

  3382. 

  3383.     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)

  3384.     {

  3385.         qDebug("Lv2Plugin::carla_lv2_state_retrieve(%p, %i, %p, %p, %p)", handle, key, size, type, flags);

  3386.         Q_ASSERT(handle);

  3387. 

  3388.         if (! handle)

  3389.             return nullptr;

  3390. 

  3391.         Lv2Plugin* const plugin = (Lv2Plugin*)handle;

  3392.         return plugin->handleStateRetrieve(key, size, type, flags);

  3393.     }

  3394. 

  3395.     // ----------------- URI-Map Feature -------------------------------------------------

  3396. 

  3397.     static uint32_t carla_lv2_uri_to_id(const LV2_URI_Map_Callback_Data data, const char* const map, const char* const uri)

  3398.     {

  3399.         qDebug("Lv2Plugin::carla_lv2_uri_to_id(%p, \"%s\", \"%s\")", data, map, uri);

  3400.         return carla_lv2_urid_map((LV2_URID_Map_Handle*)data, uri);

  3401.     }

  3402. 

  3403.     // ----------------- URID Feature ----------------------------------------------------

  3404. 

  3405.     static LV2_URID carla_lv2_urid_map(const LV2_URID_Map_Handle handle, const char* const uri)

  3406.     {

  3407.         qDebug("Lv2Plugin::carla_lv2_urid_map(%p, \"%s\")", handle, uri);

  3408.         Q_ASSERT(handle);

  3409.         Q_ASSERT(uri);

  3410. 

  3411.         if (! uri)

  3412.             return CARLA_URI_MAP_ID_NULL;

  3413. 

  3414.         // Atom types

  3415.         if (strcmp(uri, LV2_ATOM__Chunk) == 0)

  3416.             return CARLA_URI_MAP_ID_ATOM_CHUNK;

  3417.         if (strcmp(uri, LV2_ATOM__Double) == 0)

  3418.             return CARLA_URI_MAP_ID_ATOM_DOUBLE;

  3419.         if (strcmp(uri, LV2_ATOM__Int) == 0)

  3420.             return CARLA_URI_MAP_ID_ATOM_INT;

  3421.         if (strcmp(uri, LV2_ATOM__Path) == 0)

  3422.             return CARLA_URI_MAP_ID_ATOM_PATH;

  3423.         if (strcmp(uri, LV2_ATOM__Sequence) == 0)

  3424.             return CARLA_URI_MAP_ID_ATOM_SEQUENCE;

  3425.         if (strcmp(uri, LV2_ATOM__String) == 0)

  3426.             return CARLA_URI_MAP_ID_ATOM_STRING;

  3427.         if (strcmp(uri, LV2_ATOM__atomTransfer) == 0)

  3428.             return CARLA_URI_MAP_ID_ATOM_TRANSFER_ATOM;

  3429.         if (strcmp(uri, LV2_ATOM__eventTransfer) == 0)

  3430.             return CARLA_URI_MAP_ID_ATOM_TRANSFER_EVENT;

  3431. 

  3432.         // BufSize types

  3433.         if (strcmp(uri, LV2_BUF_SIZE__maxBlockLength) == 0)

  3434.             return CARLA_URI_MAP_ID_BUF_MAX_LENGTH;

  3435.         if (strcmp(uri, LV2_BUF_SIZE__minBlockLength) == 0)

  3436.             return CARLA_URI_MAP_ID_BUF_MIN_LENGTH;

  3437.         if (strcmp(uri, LV2_BUF_SIZE__sequenceSize) == 0)

  3438.             return CARLA_URI_MAP_ID_BUF_SEQUENCE_SIZE;

  3439. 

  3440.         // Log types

  3441.         if (strcmp(uri, LV2_LOG__Error) == 0)

  3442.             return CARLA_URI_MAP_ID_LOG_ERROR;

  3443.         if (strcmp(uri, LV2_LOG__Note) == 0)

  3444.             return CARLA_URI_MAP_ID_LOG_NOTE;

  3445.         if (strcmp(uri, LV2_LOG__Trace) == 0)

  3446.             return CARLA_URI_MAP_ID_LOG_TRACE;

  3447.         if (strcmp(uri, LV2_LOG__Warning) == 0)

  3448.             return CARLA_URI_MAP_ID_LOG_WARNING;

  3449. 

  3450.         // Others

  3451.         if (strcmp(uri, LV2_MIDI__MidiEvent) == 0)

  3452.             return CARLA_URI_MAP_ID_MIDI_EVENT;

  3453.         if (strcmp(uri, LV2_PARAMETERS__sampleRate) == 0)

  3454.             return CARLA_URI_MAP_ID_PARAM_SAMPLE_RATE;

  3455. 

  3456.         if (! handle)

  3457.             return CARLA_URI_MAP_ID_NULL;

  3458. 

  3459.         // Custom types

  3460.         Lv2Plugin* const plugin = (Lv2Plugin*)handle;

  3461.         return plugin->getCustomURID(uri);

  3462.     }

  3463. 

  3464.     static const char* carla_lv2_urid_unmap(const LV2_URID_Map_Handle handle, const LV2_URID urid)

  3465.     {

  3466.         qDebug("Lv2Plugin::carla_lv2_urid_unmap(%p, %i)", handle, urid);

  3467.         Q_ASSERT(handle);

  3468.         Q_ASSERT(urid > CARLA_URI_MAP_ID_NULL);

  3469. 

  3470.         if (urid == CARLA_URI_MAP_ID_NULL)

  3471.             return nullptr;

  3472. 

  3473.         // Atom types

  3474.         if (urid == CARLA_URI_MAP_ID_ATOM_CHUNK)

  3475.             return LV2_ATOM__Chunk;

  3476.         if (urid == CARLA_URI_MAP_ID_ATOM_DOUBLE)

  3477.             return LV2_ATOM__Double;

  3478.         if (urid == CARLA_URI_MAP_ID_ATOM_INT)

  3479.             return LV2_ATOM__Int;

  3480.         if (urid == CARLA_URI_MAP_ID_ATOM_PATH)

  3481.             return LV2_ATOM__Path;

  3482.         if (urid == CARLA_URI_MAP_ID_ATOM_SEQUENCE)

  3483.             return LV2_ATOM__Sequence;

  3484.         if (urid == CARLA_URI_MAP_ID_ATOM_STRING)

  3485.             return LV2_ATOM__String;

  3486.         if (urid == CARLA_URI_MAP_ID_ATOM_TRANSFER_ATOM)

  3487.             return LV2_ATOM__atomTransfer;

  3488.         if (urid == CARLA_URI_MAP_ID_ATOM_TRANSFER_EVENT)

  3489.             return LV2_ATOM__eventTransfer;

  3490. 

  3491.         // BufSize types

  3492.         if (urid == CARLA_URI_MAP_ID_BUF_MAX_LENGTH)

  3493.             return LV2_BUF_SIZE__maxBlockLength;

  3494.         if (urid == CARLA_URI_MAP_ID_BUF_MIN_LENGTH)

  3495.             return LV2_BUF_SIZE__minBlockLength;

  3496.         if (urid == CARLA_URI_MAP_ID_BUF_SEQUENCE_SIZE)

  3497.             return LV2_BUF_SIZE__sequenceSize;

  3498. 

  3499.         // Log types

  3500.         if (urid == CARLA_URI_MAP_ID_LOG_ERROR)

  3501.             return LV2_LOG__Error;

  3502.         if (urid == CARLA_URI_MAP_ID_LOG_NOTE)

  3503.             return LV2_LOG__Note;

  3504.         if (urid == CARLA_URI_MAP_ID_LOG_TRACE)

  3505.             return LV2_LOG__Trace;

  3506.         if (urid == CARLA_URI_MAP_ID_LOG_WARNING)

  3507.             return LV2_LOG__Warning;

  3508. 

  3509.         // Others

  3510.         if (urid == CARLA_URI_MAP_ID_MIDI_EVENT)

  3511.             return LV2_MIDI__MidiEvent;

  3512.         if (urid == CARLA_URI_MAP_ID_PARAM_SAMPLE_RATE)

  3513.             return LV2_PARAMETERS__sampleRate;

  3514. 

  3515.         if (! handle)

  3516.             return nullptr;

  3517. 

  3518.         // Custom types

  3519.         Lv2Plugin* const plugin = (Lv2Plugin*)handle;

  3520.         return plugin->getCustomURIString(urid);

  3521.     }

  3522. 

  3523.     // ----------------- Worker Feature --------------------------------------------------

  3524. 

  3525.     static LV2_Worker_Status carla_lv2_worker_schedule(const LV2_Worker_Schedule_Handle handle, const uint32_t size, const void* const data)

  3526.     {

  3527.         qDebug("Lv2Plugin::carla_lv2_worker_schedule(%p, %i, %p)", handle, size, data);

  3528.         Q_ASSERT(handle);

  3529. 

  3530.         if (! handle)

  3531.             return LV2_WORKER_ERR_UNKNOWN;

  3532. 

  3533.         Lv2Plugin* const plugin = (Lv2Plugin*)handle;

  3534.         return plugin->handleWorkerSchedule(size, data);

  3535.     }

  3536. 

  3537.     static LV2_Worker_Status carla_lv2_worker_respond(const LV2_Worker_Respond_Handle handle, const uint32_t size, const void* const data)

  3538.     {

  3539.         qDebug("Lv2Plugin::carla_lv2_worker_respond(%p, %i, %p)", handle, size, data);

  3540.         Q_ASSERT(handle);

  3541. 

  3542.         if (! handle)

  3543.             return LV2_WORKER_ERR_UNKNOWN;

  3544. 

  3545.         Lv2Plugin* const plugin = (Lv2Plugin*)handle;

  3546.         return plugin->handleWorkerRespond(size, data);

  3547.     }

  3548. 

  3549.     // ----------------- UI Port-Map Feature ---------------------------------------------

  3550. 

  3551.     static uint32_t carla_lv2_ui_port_map(const LV2UI_Feature_Handle handle, const char* const symbol)

  3552.     {

  3553.         qDebug("Lv2Plugin::carla_lv2_ui_port_map(%p, \"%s\")", handle, symbol);

  3554.         Q_ASSERT(handle);

  3555. 

  3556.         if (! handle)

  3557.             return LV2UI_INVALID_PORT_INDEX;

  3558. 

  3559.         Lv2Plugin* const plugin = (Lv2Plugin*)handle;

  3560.         return plugin->handleUiPortMap(symbol);

  3561.     }

  3562. 

  3563.     // ----------------- UI Resize Feature -----------------------------------------------

  3564. 

  3565.     static int carla_lv2_ui_resize(const LV2UI_Feature_Handle handle, const int width, const int height)

  3566.     {

  3567.         qDebug("Lv2Plugin::carla_lv2_ui_resize(%p, %i, %i)", handle, width, height);

  3568.         Q_ASSERT(handle);

  3569. 

  3570.         if (! handle)

  3571.             return 1;

  3572. 

  3573.         Lv2Plugin* const plugin  = (Lv2Plugin*)handle;

  3574.         return plugin->handleUiResize(width, height);

  3575.     }

  3576. 

  3577.     // ----------------- External UI Feature ---------------------------------------------

  3578. 

  3579.     static void carla_lv2_external_ui_closed(const LV2UI_Controller controller)

  3580.     {

  3581.         qDebug("Lv2Plugin::carla_lv2_external_ui_closed(%p)", controller);

  3582.         Q_ASSERT(controller);

  3583. 

  3584.         if (! controller)

  3585.             return;

  3586. 

  3587.         Lv2Plugin* const plugin = (Lv2Plugin*)controller;

  3588.         plugin->handleExternalUiClosed();

  3589.     }

  3590. 

  3591.     // ----------------- UI Extension ----------------------------------------------------

  3592. 

  3593.     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)

  3594.     {

  3595.         qDebug("Lv2Plugin::carla_lv2_ui_write_function(%p, %i, %i, %i, %p)", controller, port_index, buffer_size, format, buffer);

  3596.         Q_ASSERT(controller);

  3597. 

  3598.         if (! controller)

  3599.             return;

  3600. 

  3601.         Lv2Plugin* const plugin = (Lv2Plugin*)controller;

  3602.         plugin->handleUiWrite(port_index, buffer_size, format, buffer);

  3603.     }

  3604. 

  3605.     // -------------------------------------------------------------------

  3606. 

  3607.     bool uiLibOpen(const char* const filename)

  3608.     {

  3609.         ui.lib = lib_open(filename);

  3610.         return bool(ui.lib);

  3611.     }

  3612. 

  3613.     bool uiLibClose()

  3614.     {

  3615.         if (ui.lib)

  3616.             return lib_close(ui.lib);

  3617.         return false;

  3618.     }

  3619. 

  3620.     void* uiLibSymbol(const char* const symbol)

  3621.     {

  3622.         if (ui.lib)

  3623.             return lib_symbol(ui.lib, symbol);

  3624.         return nullptr;

  3625.     }

  3626. 

  3627.     // -------------------------------------------------------------------

  3628. 

  3629.     bool init(const char* const bundle, const char* const name, const char* const URI)

  3630.     {

  3631.         // ---------------------------------------------------------------

  3632.         // get plugin from lv2_rdf (lilv)

  3633. 

  3634.         rdf_descriptor = lv2_rdf_new(URI);

  3635. 

  3636.         if (! rdf_descriptor)

  3637.         {

  3638.             setLastError("Failed to find the requested plugin in the LV2 Bundle");

  3639.             return false;

  3640.         }

  3641. 

  3642.         // ---------------------------------------------------------------

  3643.         // open DLL

  3644. 

  3645.         if (! libOpen(rdf_descriptor->Binary))

  3646.         {

  3647.             setLastError(libError(rdf_descriptor->Binary));

  3648.             return false;

  3649.         }

  3650. 

  3651.         // ---------------------------------------------------------------

  3652.         // get DLL main entry

  3653. 

  3654.         const LV2_Descriptor_Function descFn = (LV2_Descriptor_Function)libSymbol("lv2_descriptor");

  3655. 

  3656.         if (! descFn)

  3657.         {

  3658.             setLastError("Could not find the LV2 Descriptor in the plugin library");

  3659.             return false;

  3660.         }

  3661. 

  3662.         // ---------------------------------------------------------------

  3663.         // get descriptor that matches URI

  3664. 

  3665.         uint32_t i = 0;

  3666.         while ((descriptor = descFn(i++)))

  3667.         {

  3668.             if (strcmp(descriptor->URI, URI) == 0)

  3669.                 break;

  3670.         }

  3671. 

  3672.         if (! descriptor)

  3673.         {

  3674.             setLastError("Could not find the requested plugin URI in the plugin library");

  3675.             return false;

  3676.         }

  3677. 

  3678.         // ---------------------------------------------------------------

  3679.         // check supported port-types and features

  3680. 

  3681.         bool canContinue = true;

  3682. 

  3683.         // Check supported ports

  3684.         for (i=0; i < rdf_descriptor->PortCount; i++)

  3685.         {

  3686.             LV2_Property PortType = rdf_descriptor->Ports[i].Type;

  3687.             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)))

  3688.             {

  3689.                 if (! LV2_IS_PORT_OPTIONAL(rdf_descriptor->Ports[i].Properties))

  3690.                 {

  3691.                     setLastError("Plugin requires a port that is not currently supported");

  3692.                     canContinue = false;

  3693.                     break;

  3694.                 }

  3695.             }

  3696.         }

  3697. 

  3698.         // Check supported features

  3699.         for (i=0; i < rdf_descriptor->FeatureCount && canContinue; i++)

  3700.         {

  3701.             if (LV2_IS_FEATURE_REQUIRED(rdf_descriptor->Features[i].Type) && ! is_lv2_feature_supported(rdf_descriptor->Features[i].URI))

  3702.             {

  3703.                 QString msg = QString("Plugin requires a feature that is not supported:\n%1").arg(rdf_descriptor->Features[i].URI);

  3704.                 setLastError(msg.toUtf8().constData());

  3705.                 canContinue = false;

  3706.                 break;

  3707.             }

  3708.         }

  3709. 

  3710.         // Check extensions

  3711.         for (i=0; i < rdf_descriptor->ExtensionCount; i++)

  3712.         {

  3713.             if (strcmp(rdf_descriptor->Extensions[i], LV2_PROGRAMS__Interface) == 0)

  3714.                 m_hints |= PLUGIN_HAS_EXTENSION_PROGRAMS;

  3715.             else if (strcmp(rdf_descriptor->Extensions[i], LV2_STATE__interface) == 0)

  3716.                 m_hints |= PLUGIN_HAS_EXTENSION_STATE;

  3717.             else if (strcmp(rdf_descriptor->Extensions[i], LV2_WORKER__interface) == 0)

  3718.                 m_hints |= PLUGIN_HAS_EXTENSION_WORKER;

  3719.             else

  3720.                 qDebug("Plugin has non-supported extension: '%s'", rdf_descriptor->Extensions[i]);

  3721.         }

  3722. 

  3723.         if (! canContinue)

  3724.         {

  3725.             // error already set

  3726.             return false;

  3727.         }

  3728. 

  3729.         // ---------------------------------------------------------------

  3730.         // initialize features

  3731. 

  3732.         LV2_Event_Feature* const eventFt = new LV2_Event_Feature;

  3733.         eventFt->callback_data           = this;

  3734.         eventFt->lv2_event_ref           = carla_lv2_event_ref;

  3735.         eventFt->lv2_event_unref         = carla_lv2_event_unref;

  3736. 

  3737.         LV2_Log_Log* const logFt         = new LV2_Log_Log;

  3738.         logFt->handle                    = this;

  3739.         logFt->printf                    = carla_lv2_log_printf;

  3740.         logFt->vprintf                   = carla_lv2_log_vprintf;

  3741. 

  3742.         LV2_Programs_Host* const programsFt        = new LV2_Programs_Host;

  3743.         programsFt->handle                         = this;

  3744.         programsFt->program_changed                = carla_lv2_program_changed;

  3745. 

  3746.         LV2_State_Make_Path* const stateMakePathFt = new LV2_State_Make_Path;

  3747.         stateMakePathFt->handle                    = this;

  3748.         stateMakePathFt->path                      = carla_lv2_state_make_path;

  3749. 

  3750.         LV2_State_Map_Path* const stateMapPathFt   = new LV2_State_Map_Path;

  3751.         stateMapPathFt->handle                     = this;

  3752.         stateMapPathFt->abstract_path              = carla_lv2_state_map_abstract_path;

  3753.         stateMapPathFt->absolute_path              = carla_lv2_state_map_absolute_path;

  3754. 

  3755.         LV2_URI_Map_Feature* const uriMapFt = new LV2_URI_Map_Feature;

  3756.         uriMapFt->callback_data             = this;

  3757.         uriMapFt->uri_to_id                 = carla_lv2_uri_to_id;

  3758. 

  3759.         LV2_URID_Map* const uridMapFt       = new LV2_URID_Map;

  3760.         uridMapFt->handle                   = this;

  3761.         uridMapFt->map                      = carla_lv2_urid_map;

  3762. 

  3763.         LV2_URID_Unmap* const uridUnmapFt   = new LV2_URID_Unmap;

  3764.         uridUnmapFt->handle                 = this;

  3765.         uridUnmapFt->unmap                  = carla_lv2_urid_unmap;

  3766. 

  3767.         LV2_Worker_Schedule* const workerFt = new LV2_Worker_Schedule;

  3768.         workerFt->handle                    = this;

  3769.         workerFt->schedule_work             = carla_lv2_worker_schedule;

  3770. 

  3771.         LV2_Options_Option* const optionsFt = new LV2_Options_Option [5];

  3772.         optionsFt[0] = lv2Options.oMaxBlockLenth;

  3773.         optionsFt[1] = lv2Options.oMinBlockLenth;

  3774.         optionsFt[2] = lv2Options.oSequenceSize;

  3775.         optionsFt[3] = lv2Options.oSampleRate;

  3776.         optionsFt[4] = lv2Options.oNull;

  3777. 

  3778.         features[lv2_feature_id_bufsize_bounded]       = new LV2_Feature;

  3779.         features[lv2_feature_id_bufsize_bounded]->URI  = LV2_BUF_SIZE__boundedBlockLength;

  3780.         features[lv2_feature_id_bufsize_bounded]->data = nullptr;

  3781. 

  3782. #ifndef BUILD_BRIDGE

  3783.         if (carlaOptions.processHighPrecision)

  3784.         {

  3785.             features[lv2_feature_id_bufsize_fixed]          = new LV2_Feature;

  3786.             features[lv2_feature_id_bufsize_fixed]->URI     = LV2_BUF_SIZE__fixedBlockLength;

  3787.             features[lv2_feature_id_bufsize_fixed]->data    = nullptr;

  3788. 

  3789.             features[lv2_feature_id_bufsize_powerof2]       = new LV2_Feature;

  3790.             features[lv2_feature_id_bufsize_powerof2]->URI  = LV2_BUF_SIZE__powerOf2BlockLength;

  3791.             features[lv2_feature_id_bufsize_powerof2]->data = nullptr;

  3792.         }

  3793.         else

  3794. #endif

  3795.         {

  3796.             // fake, used to keep a valid array

  3797.             features[lv2_feature_id_bufsize_fixed]    = features[lv2_feature_id_bufsize_bounded];

  3798.             features[lv2_feature_id_bufsize_powerof2] = features[lv2_feature_id_bufsize_bounded];

  3799.         }

  3800. 

  3801.         features[lv2_feature_id_event]          = new LV2_Feature;

  3802.         features[lv2_feature_id_event]->URI     = LV2_EVENT_URI;

  3803.         features[lv2_feature_id_event]->data    = eventFt;

  3804. 

  3805.         features[lv2_feature_id_logs]           = new LV2_Feature;

  3806.         features[lv2_feature_id_logs]->URI      = LV2_LOG__log;

  3807.         features[lv2_feature_id_logs]->data     = logFt;

  3808. 

  3809.         features[lv2_feature_id_options]        = new LV2_Feature;

  3810.         features[lv2_feature_id_options]->URI   = LV2_OPTIONS__options;

  3811.         features[lv2_feature_id_options]->data  = optionsFt;

  3812. 

  3813.         features[lv2_feature_id_programs]       = new LV2_Feature;

  3814.         features[lv2_feature_id_programs]->URI  = LV2_PROGRAMS__Host;

  3815.         features[lv2_feature_id_programs]->data = programsFt;

  3816. 

  3817.         features[lv2_feature_id_state_make_path]       = new LV2_Feature;

  3818.         features[lv2_feature_id_state_make_path]->URI  = LV2_STATE__makePath;

  3819.         features[lv2_feature_id_state_make_path]->data = stateMakePathFt;

  3820. 

  3821.         features[lv2_feature_id_state_map_path]        = new LV2_Feature;

  3822.         features[lv2_feature_id_state_map_path]->URI   = LV2_STATE__mapPath;

  3823.         features[lv2_feature_id_state_map_path]->data  = stateMapPathFt;

  3824. 

  3825.         features[lv2_feature_id_strict_bounds]         = new LV2_Feature;

  3826.         features[lv2_feature_id_strict_bounds]->URI    = LV2_PORT_PROPS__supportsStrictBounds;

  3827.         features[lv2_feature_id_strict_bounds]->data   = nullptr;

  3828. 

  3829.         features[lv2_feature_id_uri_map]          = new LV2_Feature;

  3830.         features[lv2_feature_id_uri_map]->URI     = LV2_URI_MAP_URI;

  3831.         features[lv2_feature_id_uri_map]->data    = uriMapFt;

  3832. 

  3833.         features[lv2_feature_id_urid_map]         = new LV2_Feature;

  3834.         features[lv2_feature_id_urid_map]->URI    = LV2_URID__map;

  3835.         features[lv2_feature_id_urid_map]->data   = uridMapFt;

  3836. 

  3837.         features[lv2_feature_id_urid_unmap]       = new LV2_Feature;

  3838.         features[lv2_feature_id_urid_unmap]->URI  = LV2_URID__unmap;

  3839.         features[lv2_feature_id_urid_unmap]->data = uridUnmapFt;

  3840. 

  3841.         features[lv2_feature_id_worker]           = new LV2_Feature;

  3842.         features[lv2_feature_id_worker]->URI      = LV2_WORKER__schedule;

  3843.         features[lv2_feature_id_worker]->data     = workerFt;

  3844. 

  3845.         // ---------------------------------------------------------------

  3846.         // initialize plugin

  3847. 

  3848.         handle = descriptor->instantiate(descriptor, x_engine->getSampleRate(), rdf_descriptor->Bundle, features);

  3849. 

  3850.         if (! handle)

  3851.         {

  3852.             setLastError("Plugin failed to initialize");

  3853.             return false;

  3854.         }

  3855. 

  3856.         // ---------------------------------------------------------------

  3857.         // get info

  3858. 

  3859.         m_filename = strdup(bundle);

  3860. 

  3861.         if (name)

  3862.             m_name = x_engine->getUniqueName(name);

  3863.         else

  3864.             m_name = x_engine->getUniqueName(rdf_descriptor->Name);

  3865. 

  3866.         // ---------------------------------------------------------------

  3867.         // register client

  3868. 

  3869.         x_client = x_engine->addClient(this);

  3870. 

  3871.         if (! x_client->isOk())

  3872.         {

  3873.             setLastError("Failed to register plugin client");

  3874.             return false;

  3875.         }

  3876. 

  3877.         // ---------------------------------------------------------------

  3878.         // gui stuff

  3879. 

  3880.         if (rdf_descriptor->UICount == 0)

  3881.             return true;

  3882. 

  3883.         // -----------------------------------------------------------

  3884.         // find more appropriate ui

  3885. 

  3886.         int eQt4, eCocoa, eHWND, eX11, eGtk2, eGtk3, iCocoa, iHWND, iX11, iQt4, iExt, iSuil, iFinal;

  3887.         eQt4 = eCocoa = eHWND = eX11 = eGtk2 = eGtk3 = iQt4 = iCocoa = iHWND = iX11 = iExt = iSuil = iFinal = -1;

  3888. 

  3889.         for (i=0; i < rdf_descriptor->UICount; i++)

  3890.         {

  3891.             switch (rdf_descriptor->UIs[i].Type)

  3892.             {

  3893.             case LV2_UI_QT4:

  3894. #ifndef BUILD_BRIDGE

  3895.                 if (isUiBridgeable(i) && carlaOptions.preferUiBridges)

  3896.                     eQt4 = i;

  3897. #endif

  3898.                 iQt4 = i;

  3899.                 break;

  3900. 

  3901.             case LV2_UI_COCOA:

  3902. #ifndef BUILD_BRIDGE

  3903.                 if (isUiBridgeable(i) && carlaOptions.preferUiBridges)

  3904.                     eCocoa = i;

  3905. #endif

  3906.                 iCocoa = i;

  3907.                 break;

  3908. 

  3909.             case LV2_UI_WINDOWS:

  3910. #ifndef BUILD_BRIDGE

  3911.                 if (isUiBridgeable(i) && carlaOptions.preferUiBridges)

  3912.                     eHWND = i;

  3913. #endif

  3914.                 iHWND = i;

  3915.                 break;

  3916. 

  3917.             case LV2_UI_X11:

  3918. #ifndef BUILD_BRIDGE

  3919.                 if (isUiBridgeable(i) && carlaOptions.preferUiBridges)

  3920.                     eX11 = i;

  3921. #endif

  3922.                 iX11 = i;

  3923.                 break;

  3924. 

  3925.             case LV2_UI_GTK2:

  3926. #ifdef BUILD_BRIDGE

  3927.                 if (false)

  3928. #else

  3929. #  ifdef HAVE_SUIL

  3930.                 if (isUiBridgeable(i) && carlaOptions.preferUiBridges)

  3931. #  else

  3932.                 if (isUiBridgeable(i))

  3933. #  endif

  3934. #endif

  3935.                     eGtk2 = i;

  3936. #ifdef HAVE_SUIL

  3937.                 iSuil = i;

  3938. #endif

  3939.                 break;

  3940. 

  3941. #ifndef BUILD_BRIDGE

  3942.             case LV2_UI_GTK3:

  3943.                 if (isUiBridgeable(i))

  3944.                     eGtk3 = i;

  3945.                 break;

  3946. #endif

  3947. 

  3948.             case LV2_UI_EXTERNAL:

  3949.             case LV2_UI_OLD_EXTERNAL:

  3950.                 iExt = i;

  3951.                 break;

  3952. 

  3953.             default:

  3954.                 break;

  3955.             }

  3956.         }

  3957. 

  3958.         if (eQt4 >= 0)

  3959.             iFinal = eQt4;

  3960.         else if (eCocoa >= 0)

  3961.             iFinal = eCocoa;

  3962.         else if (eHWND >= 0)

  3963.             iFinal = eHWND;

  3964.         else if (eX11 >= 0)

  3965.             iFinal = eX11;

  3966.         else if (eGtk2 >= 0)

  3967.             iFinal = eGtk2;

  3968.         else if (eGtk3 >= 0)

  3969.             iFinal = eGtk3;

  3970.         else if (iQt4 >= 0)

  3971.             iFinal = iQt4;

  3972.         else if (iCocoa >= 0)

  3973.             iFinal = iCocoa;

  3974.         else if (iHWND >= 0)

  3975.             iFinal = iHWND;

  3976.         else if (iX11 >= 0)

  3977.             iFinal = iX11;

  3978.         else if (iExt >= 0)

  3979.             iFinal = iExt;

  3980.         else if (iSuil >= 0)

  3981.             iFinal = iSuil;

  3982. 

  3983. #ifndef BUILD_BRIDGE

  3984.         const bool isBridged = (iFinal == eQt4 || iFinal == eCocoa || iFinal == eHWND || iFinal == eX11 || iFinal == eGtk2 || iFinal == eGtk3);

  3985. #endif

  3986. #ifdef HAVE_SUIL

  3987.         const bool isSuil = (iFinal == iSuil && !isBridged);

  3988. #endif

  3989. 

  3990.         if (iFinal < 0)

  3991.         {

  3992.             qWarning("Failed to find an appropriate LV2 UI for this plugin");

  3993.             return true;

  3994.         }

  3995. 

  3996.         ui.rdf_descriptor = &rdf_descriptor->UIs[iFinal];

  3997. 

  3998.         // -----------------------------------------------------------

  3999.         // check supported ui features

  4000. 

  4001.         canContinue = true;

  4002. 

  4003.         for (i=0; i < ui.rdf_descriptor->FeatureCount; i++)

  4004.         {

  4005.             if (LV2_IS_FEATURE_REQUIRED(ui.rdf_descriptor->Features[i].Type) && is_lv2_ui_feature_supported(ui.rdf_descriptor->Features[i].URI) == false)

  4006.             {

  4007.                 qCritical("Plugin UI requires a feature that is not supported:\n%s", ui.rdf_descriptor->Features[i].URI);

  4008.                 canContinue = false;

  4009.                 break;

  4010.             }

  4011.         }

  4012. 

  4013.         if (! canContinue)

  4014.         {

  4015.             ui.rdf_descriptor = nullptr;

  4016.             return true;

  4017.         }

  4018. 

  4019. #ifdef HAVE_SUIL

  4020.         if (isSuil)

  4021.         {

  4022.             // -------------------------------------------------------

  4023.             // init suil host

  4024. 

  4025.             suil.host = suil_host_new(carla_lv2_ui_write_function, carla_lv2_ui_port_map, nullptr, nullptr);

  4026.         }

  4027.         else

  4028. #endif

  4029.         {

  4030.             // -------------------------------------------------------

  4031.             // open DLL

  4032. 

  4033.             if (! uiLibOpen(ui.rdf_descriptor->Binary))

  4034.             {

  4035.                 qCritical("Could not load UI library, error was:\n%s", libError(ui.rdf_descriptor->Binary));

  4036.                 ui.rdf_descriptor = nullptr;

  4037.                 return true;

  4038.             }

  4039. 

  4040.             // -------------------------------------------------------

  4041.             // get DLL main entry

  4042. 

  4043.             LV2UI_DescriptorFunction ui_descFn = (LV2UI_DescriptorFunction)uiLibSymbol("lv2ui_descriptor");

  4044. 

  4045.             if (! ui_descFn)

  4046.             {

  4047.                 qCritical("Could not find the LV2UI Descriptor in the UI library");

  4048.                 uiLibClose();

  4049.                 ui.lib = nullptr;

  4050.                 ui.rdf_descriptor = nullptr;

  4051.                 return true;

  4052.             }

  4053. 

  4054.             // -------------------------------------------------------

  4055.             // get descriptor that matches URI

  4056. 

  4057.             i = 0;

  4058.             while ((ui.descriptor = ui_descFn(i++)))

  4059.             {

  4060.                 if (strcmp(ui.descriptor->URI, ui.rdf_descriptor->URI) == 0)

  4061.                     break;

  4062.             }

  4063. 

  4064.             if (! ui.descriptor)

  4065.             {

  4066.                 qCritical("Could not find the requested GUI in the plugin UI library");

  4067.                 uiLibClose();

  4068.                 ui.lib = nullptr;

  4069.                 ui.rdf_descriptor = nullptr;

  4070.                 return true;

  4071.             }

  4072.         }

  4073. 

  4074.         // -----------------------------------------------------------

  4075.         // initialize ui according to type

  4076. 

  4077.         const LV2_Property uiType = ui.rdf_descriptor->Type;

  4078. 

  4079. #ifndef BUILD_BRIDGE

  4080.         if (isBridged)

  4081.         {

  4082.             // -------------------------------------------------------

  4083.             // initialize ui bridge

  4084. 

  4085.             if (const char* const oscBinary = lv2bridge2str(uiType))

  4086.             {

  4087.                 gui.type = GUI_EXTERNAL_OSC;

  4088.                 osc.thread = new CarlaPluginThread(x_engine, this, CarlaPluginThread::PLUGIN_THREAD_LV2_GUI);

  4089.                 osc.thread->setOscData(oscBinary, descriptor->URI, ui.descriptor->URI);

  4090.             }

  4091.         }

  4092.         else

  4093. #endif

  4094.         {

  4095.             // -------------------------------------------------------

  4096.             // initialize ui features

  4097. 

  4098.             QString guiTitle = QString("%1 (GUI)").arg(m_name);

  4099. 

  4100.             LV2_Extension_Data_Feature* const uiDataFt = new LV2_Extension_Data_Feature;

  4101.             uiDataFt->data_access                      = descriptor->extension_data;

  4102. 

  4103.             LV2UI_Port_Map* const uiPortMapFt = new LV2UI_Port_Map;

  4104.             uiPortMapFt->handle               = this;

  4105.             uiPortMapFt->port_index           = carla_lv2_ui_port_map;

  4106. 

  4107.             LV2UI_Resize* const uiResizeFt    = new LV2UI_Resize;

  4108.             uiResizeFt->handle                = this;

  4109.             uiResizeFt->ui_resize             = carla_lv2_ui_resize;

  4110. 

  4111.             LV2_External_UI_Host* const uiExternalHostFt = new LV2_External_UI_Host;

  4112.             uiExternalHostFt->ui_closed                  = carla_lv2_external_ui_closed;

  4113.             uiExternalHostFt->plugin_human_id            = strdup(guiTitle.toUtf8().constData());

  4114. 

  4115.             features[lv2_feature_id_data_access]           = new LV2_Feature;

  4116.             features[lv2_feature_id_data_access]->URI      = LV2_DATA_ACCESS_URI;

  4117.             features[lv2_feature_id_data_access]->data     = uiDataFt;

  4118. 

  4119.             features[lv2_feature_id_instance_access]       = new LV2_Feature;

  4120.             features[lv2_feature_id_instance_access]->URI  = LV2_INSTANCE_ACCESS_URI;

  4121.             features[lv2_feature_id_instance_access]->data = handle;

  4122. 

  4123.             features[lv2_feature_id_ui_parent]             = new LV2_Feature;

  4124.             features[lv2_feature_id_ui_parent]->URI        = LV2_UI__parent;

  4125.             features[lv2_feature_id_ui_parent]->data       = nullptr;

  4126. 

  4127.             features[lv2_feature_id_ui_port_map]           = new LV2_Feature;

  4128.             features[lv2_feature_id_ui_port_map]->URI      = LV2_UI__portMap;

  4129.             features[lv2_feature_id_ui_port_map]->data     = uiPortMapFt;

  4130. 

  4131.             features[lv2_feature_id_ui_resize]             = new LV2_Feature;

  4132.             features[lv2_feature_id_ui_resize]->URI        = LV2_UI__resize;

  4133.             features[lv2_feature_id_ui_resize]->data       = uiResizeFt;

  4134. 

  4135.             features[lv2_feature_id_external_ui]           = new LV2_Feature;

  4136.             features[lv2_feature_id_external_ui]->URI      = LV2_EXTERNAL_UI__Host;

  4137.             features[lv2_feature_id_external_ui]->data     = uiExternalHostFt;

  4138. 

  4139.             features[lv2_feature_id_external_ui_old]       = new LV2_Feature;

  4140.             features[lv2_feature_id_external_ui_old]->URI  = LV2_EXTERNAL_UI_DEPRECATED_URI;

  4141.             features[lv2_feature_id_external_ui_old]->data = uiExternalHostFt;

  4142. 

  4143.             // -------------------------------------------------------

  4144.             // initialize ui

  4145. 

  4146.             switch (uiType)

  4147.             {

  4148.             case LV2_UI_QT4:

  4149.                 qDebug("Will use LV2 Qt4 UI");

  4150.                 gui.type      = GUI_INTERNAL_QT4;

  4151.                 gui.resizable = isUiResizable();

  4152.                 ui.handle     = ui.descriptor->instantiate(ui.descriptor, descriptor->URI, ui.rdf_descriptor->Bundle, carla_lv2_ui_write_function, this, &ui.widget, features);

  4153.                 m_hints      |= PLUGIN_USES_SINGLE_THREAD;

  4154.                 break;

  4155. 

  4156.             case LV2_UI_COCOA:

  4157.                 qDebug("Will use LV2 Cocoa UI");

  4158.                 gui.type      = GUI_INTERNAL_COCOA;

  4159.                 gui.resizable = isUiResizable();

  4160.                 break;

  4161. 

  4162.             case LV2_UI_WINDOWS:

  4163.                 qDebug("Will use LV2 Windows UI");

  4164.                 gui.type      = GUI_INTERNAL_HWND;

  4165.                 gui.resizable = isUiResizable();

  4166.                 break;

  4167. 

  4168.             case LV2_UI_X11:

  4169.                 qDebug("Will use LV2 X11 UI");

  4170.                 gui.type      = GUI_INTERNAL_X11;

  4171.                 gui.resizable = isUiResizable();

  4172.                 break;

  4173. 

  4174.             case LV2_UI_GTK2:

  4175. #ifdef HAVE_SUIL

  4176.                 qDebug("Will use LV2 Gtk2 UI (suil)");

  4177.                 gui.type      = GUI_EXTERNAL_SUIL;

  4178.                 gui.resizable = isUiResizable();

  4179.                 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);

  4180.                 m_hints      |= PLUGIN_USES_SINGLE_THREAD;

  4181. 

  4182.                 if (suil.handle)

  4183.                 {

  4184.                     ui.handle     = ((SuilInstanceImpl*)suil.handle)->handle;

  4185.                     ui.descriptor = ((SuilInstanceImpl*)suil.handle)->descriptor;

  4186.                     ui.widget     = suil_instance_get_widget(suil.handle);

  4187. 

  4188.                     if (ui.widget)

  4189.                     {

  4190.                         QWidget* const widget = (QWidget*)ui.widget;

  4191.                         widget->setWindowTitle(guiTitle);

  4192.                     }

  4193.                 }

  4194. #else

  4195.                 qDebug("Will use LV2 Gtk2 UI, NOT!");

  4196. #endif

  4197.                 break;

  4198. 

  4199.             case LV2_UI_GTK3:

  4200.                 qDebug("Will use LV2 Gtk3 UI, NOT!");

  4201.                 break;

  4202. 

  4203.             case LV2_UI_EXTERNAL:

  4204.             case LV2_UI_OLD_EXTERNAL:

  4205.                 qDebug("Will use LV2 External UI");

  4206.                 gui.type = GUI_EXTERNAL_LV2;

  4207.                 break;

  4208.             }

  4209.         }

  4210. 

  4211.         if (gui.type != GUI_NONE)

  4212.             m_hints |= PLUGIN_HAS_GUI;

  4213. 

  4214.         return true;

  4215.     }

  4216. 

  4217. private:

  4218.     LV2_Handle handle, h2;

  4219.     const LV2_Descriptor* descriptor;

  4220.     const LV2_RDF_Descriptor* rdf_descriptor;

  4221.     LV2_Feature* features[lv2_feature_count+1];

  4222. 

  4223.     struct {

  4224.         const LV2_State_Interface* state;

  4225.         const LV2_Worker_Interface* worker;

  4226.         const LV2_Programs_Interface* programs;

  4227.         const LV2_Programs_UI_Interface* uiprograms;

  4228.     } ext;

  4229. 

  4230.     struct {

  4231.         void* lib;

  4232.         LV2UI_Handle handle;

  4233.         LV2UI_Widget widget;

  4234.         const LV2UI_Descriptor* descriptor;

  4235.         const LV2_RDF_UI* rdf_descriptor;

  4236.     } ui;

  4237. 

  4238.     struct {

  4239.         GuiType type;

  4240.         bool resizable;

  4241.         int width;

  4242.         int height;

  4243.     } gui;

  4244. 

  4245. #ifdef HAVE_SUIL

  4246.     struct {

  4247.         SuilHost* host;

  4248.         SuilInstance* handle;

  4249.         QByteArray pos;

  4250.     } suil;

  4251. #endif

  4252. 

  4253.     Lv2PluginEventData evIn;

  4254.     Lv2PluginEventData evOut;

  4255.     float* paramBuffers;

  4256.     std::vector<const char*> customURIDs;

  4257. };

  4258. 

  4259. CarlaPlugin* CarlaPlugin::newLV2(const initializer& init)

  4260. {

  4261.     qDebug("CarlaPlugin::newLV2(%p, \"%s\", \"%s\", \"%s\")", init.engine, init.filename, init.name, init.label);

  4262. 

  4263.     short id = init.engine->getNewPluginId();

  4264. 

  4265.     if (id < 0 || id > MAX_PLUGINS)

  4266.     {

  4267.         setLastError("Maximum number of plugins reached");

  4268.         return nullptr;

  4269.     }

  4270. 

  4271.     Lv2Plugin* const plugin = new Lv2Plugin(init.engine, id);

  4272. 

  4273.     if (! plugin->init(init.filename, init.name, init.label))

  4274.     {

  4275.         delete plugin;

  4276.         return nullptr;

  4277.     }

  4278. 

  4279.     plugin->reload();

  4280. 

  4281. #ifndef BUILD_BRIDGE

  4282.     if (carlaOptions.processMode == PROCESS_MODE_CONTINUOUS_RACK)

  4283.     {

  4284.         const uint32_t ins  = plugin->audioInCount();

  4285.         const uint32_t outs = plugin->audioOutCount();

  4286. 

  4287.         if (ins > 2 || outs > 2 || (ins != outs && ins != 0 && outs != 0))

  4288.         {

  4289.             setLastError("Carla's rack mode can only work with Mono or Stereo LV2 plugins, sorry!");

  4290.             delete plugin;

  4291.             return nullptr;

  4292.         }

  4293.     }

  4294. #endif

  4295. 

  4296.     plugin->registerToOsc();

  4297.     plugin->updateUi();

  4298. 

  4299.     return plugin;

  4300. }

  4301. 

  4302. /**@}*/

  4303. 

  4304. // -------------------------------------------------------------------------------------------------------------------

  4305. 

  4306. int CarlaOsc::handle_lv2_atom_transfer(CARLA_OSC_HANDLE_ARGS2)

  4307. {

  4308.     qDebug("CarlaOsc::handle_lv2_atom_transfer()");

  4309.     CARLA_OSC_CHECK_OSC_TYPES(2, "ss");

  4310. 

  4311.     const char* const type  = (const char*)&argv[0]->s;

  4312.     const char* const value = (const char*)&argv[1]->s;

  4313. 

  4314.     QByteArray chunk;

  4315.     chunk = QByteArray::fromBase64(value);

  4316. 

  4317.     const LV2_Atom* const atom = (LV2_Atom*)chunk.constData();

  4318. 

  4319.     CarlaBackend::Lv2Plugin* const lv2plugin = (CarlaBackend::Lv2Plugin*)plugin;

  4320.     lv2plugin->handleTransferAtom(atom, type);

  4321. 

  4322.     return 0;

  4323. }

  4324. 

  4325. int CarlaOsc::handle_lv2_event_transfer(CARLA_OSC_HANDLE_ARGS2)

  4326. {

  4327.     qDebug("CarlaOsc::handle_lv2_event_transfer()");

  4328.     CARLA_OSC_CHECK_OSC_TYPES(2, "ss");

  4329. 

  4330.     const char* const type  = (const char*)&argv[0]->s;

  4331.     const char* const value = (const char*)&argv[1]->s;

  4332. 

  4333.     QByteArray chunk;

  4334.     chunk = QByteArray::fromBase64(value);

  4335. 

  4336.     const LV2_Atom* const atom = (LV2_Atom*)chunk.constData();

  4337. 

  4338.     CarlaBackend::Lv2Plugin* const lv2plugin = (CarlaBackend::Lv2Plugin*)plugin;

  4339.     lv2plugin->handleTransferEvent(atom, type);

  4340. 

  4341.     return 0;

  4342. }

  4343. 

  4344. CARLA_BACKEND_END_NAMESPACE