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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@falktx.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 "lv2_atom_queue.h"

  22. #include "rtmempool/rtmempool.h"

  23. 

  24. #include <QtCore/QDir>

  25. #include <QtGui/QLayout>

  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. 

  50. /*!

  51.  * @defgroup PluginHints Plugin Hints

  52.  * @{

  53.  */

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

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

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

  57. /**@}*/

  58. 

  59. /*!

  60.  * @defgroup ParameterHints Parameter Hints

  61.  * @{

  62.  */

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

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

  65. /**@}*/

  66. 

  67. /*!

  68.  * @defgroup Lv2FeatureIds LV2 Feature Ids

  69.  *

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

  71.  * @{

  72.  */

  73. const uint32_t lv2_feature_id_bufsize_bounded  =  0;

  74. const uint32_t lv2_feature_id_bufsize_fixed    =  1;

  75. const uint32_t lv2_feature_id_bufsize_powerof2 =  2;

  76. const uint32_t lv2_feature_id_event            =  3;

  77. const uint32_t lv2_feature_id_logs             =  4;

  78. const uint32_t lv2_feature_id_options          =  5;

  79. const uint32_t lv2_feature_id_programs         =  6;

  80. const uint32_t lv2_feature_id_rtmempool        =  7;

  81. const uint32_t lv2_feature_id_state_make_path  =  8;

  82. const uint32_t lv2_feature_id_state_map_path   =  9;

  83. const uint32_t lv2_feature_id_strict_bounds    = 10;

  84. const uint32_t lv2_feature_id_uri_map          = 11;

  85. const uint32_t lv2_feature_id_urid_map         = 12;

  86. const uint32_t lv2_feature_id_urid_unmap       = 13;

  87. const uint32_t lv2_feature_id_worker           = 14;

  88. const uint32_t lv2_feature_id_data_access      = 15;

  89. const uint32_t lv2_feature_id_instance_access  = 16;

  90. const uint32_t lv2_feature_id_ui_parent        = 17;

  91. const uint32_t lv2_feature_id_ui_port_map      = 18;

  92. const uint32_t lv2_feature_id_ui_resize        = 19;

  93. const uint32_t lv2_feature_id_external_ui      = 20;

  94. const uint32_t lv2_feature_id_external_ui_old  = 21;

  95. const uint32_t lv2_feature_count               = 22;

  96. /**@}*/

  97. 

  98. /*!

  99.  * @defgroup Lv2EventTypes LV2 Event Data/Types

  100.  *

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

  102.  * @{

  103.  */

  104. const unsigned int CARLA_EVENT_DATA_ATOM      = 0x01;

  105. const unsigned int CARLA_EVENT_DATA_EVENT     = 0x02;

  106. const unsigned int CARLA_EVENT_DATA_MIDI_LL   = 0x04;

  107. const unsigned int CARLA_EVENT_TYPE_MESSAGE   = 0x10;

  108. const unsigned int CARLA_EVENT_TYPE_MIDI      = 0x20;

  109. /**@}*/

  110. 

  111. /*!

  112.  * @defgroup Lv2UriMapIds LV2 URI Map Ids

  113.  *

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

  115.  * @{

  116.  */

  117. const uint32_t CARLA_URI_MAP_ID_NULL                = 0;

  118. const uint32_t CARLA_URI_MAP_ID_ATOM_CHUNK          = 1;

  119. const uint32_t CARLA_URI_MAP_ID_ATOM_DOUBLE         = 2;

  120. const uint32_t CARLA_URI_MAP_ID_ATOM_INT            = 3;

  121. const uint32_t CARLA_URI_MAP_ID_ATOM_PATH           = 4;

  122. const uint32_t CARLA_URI_MAP_ID_ATOM_SEQUENCE       = 5;

  123. const uint32_t CARLA_URI_MAP_ID_ATOM_STRING         = 6;

  124. const uint32_t CARLA_URI_MAP_ID_ATOM_WORKER         = 7;

  125. const uint32_t CARLA_URI_MAP_ID_ATOM_TRANSFER_ATOM  = 8;

  126. const uint32_t CARLA_URI_MAP_ID_ATOM_TRANSFER_EVENT = 9;

  127. const uint32_t CARLA_URI_MAP_ID_BUF_MAX_LENGTH      = 10;

  128. const uint32_t CARLA_URI_MAP_ID_BUF_MIN_LENGTH      = 11;

  129. const uint32_t CARLA_URI_MAP_ID_BUF_SEQUENCE_SIZE   = 12;

  130. const uint32_t CARLA_URI_MAP_ID_LOG_ERROR           = 13;

  131. const uint32_t CARLA_URI_MAP_ID_LOG_NOTE            = 14;

  132. const uint32_t CARLA_URI_MAP_ID_LOG_TRACE           = 15;

  133. const uint32_t CARLA_URI_MAP_ID_LOG_WARNING         = 16;

  134. const uint32_t CARLA_URI_MAP_ID_MIDI_EVENT          = 17;

  135. const uint32_t CARLA_URI_MAP_ID_PARAM_SAMPLE_RATE   = 18;

  136. const uint32_t CARLA_URI_MAP_ID_COUNT               = 19;

  137. /**@}*/

  138. 

  139. struct Lv2EventData {

  140.     uint32_t type;

  141.     uint32_t rindex;

  142.     CarlaEngineMidiPort* port;

  143.     union {

  144.         LV2_Atom_Sequence* atom;

  145.         LV2_Event_Buffer* event;

  146.         LV2_MIDI* midi;

  147.     };

  148. 

  149.     Lv2EventData()

  150.         : type(0),

  151.           rindex(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_GTK3:

  192.         return carlaOptions.bridge_lv2gtk3;

  193.     case LV2_UI_QT4:

  194.         return carlaOptions.bridge_lv2qt4;

  195.     case LV2_UI_COCOA:

  196.         return nullptr; //carlaOptions.bridge_lv2cocoa;

  197.     case LV2_UI_WINDOWS:

  198.         return nullptr; //carlaOptions.bridge_lv2hwnd;

  199.     case LV2_UI_X11:

  200.         return carlaOptions.bridge_lv2x11;

  201. #endif

  202.     default:

  203.         return nullptr;

  204.     }

  205. }

  206. 

  207. LV2_Atom_Event* getLv2AtomEvent(LV2_Atom_Sequence* const atom, const uint32_t offset)

  208. {

  209.     return (LV2_Atom_Event*)((char*)LV2_ATOM_CONTENTS(LV2_Atom_Sequence, atom) + offset);

  210. }

  211. 

  212. class Lv2Plugin : public CarlaPlugin

  213. {

  214. public:

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

  216.         : CarlaPlugin(engine, id)

  217.     {

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

  219. 

  220.         m_type = PLUGIN_LV2;

  221. 

  222.         handle = h2 = nullptr;

  223.         descriptor  = nullptr;

  224.         rdf_descriptor = nullptr;

  225. 

  226.         ext.state      = nullptr;

  227.         ext.worker     = nullptr;

  228.         ext.programs   = nullptr;

  229.         ext.uiprograms = nullptr;

  230. 

  231.         ui.lib = nullptr;

  232.         ui.handle = nullptr;

  233.         ui.descriptor = nullptr;

  234.         ui.rdf_descriptor = nullptr;

  235. 

  236.         evIn.count = 0;

  237.         evIn.data  = nullptr;

  238. 

  239.         evOut.count = 0;

  240.         evOut.data  = nullptr;

  241. 

  242.         paramBuffers = nullptr;

  243. 

  244.         gui.type = GUI_NONE;

  245.         gui.resizable = false;

  246.         gui.width  = 0;

  247.         gui.height = 0;

  248. 

  249. #ifdef HAVE_SUIL

  250.         suil.handle = nullptr;

  251.         suil.host   = nullptr;

  252. #endif

  253. 

  254.         lastTimePosPlaying = false;

  255.         lastTimePosFrame   = 0;

  256. 

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

  258.             customURIDs.push_back(nullptr);

  259. 

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

  261.             features[i] = nullptr;

  262. 

  263.         if (! lv2Options.init)

  264.         {

  265.             lv2Options.init = true;

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

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

  268. 

  269.             lv2Options.oNull.key   = CARLA_URI_MAP_ID_NULL;

  270.             lv2Options.oNull.size  = 0;

  271.             lv2Options.oNull.type  = CARLA_URI_MAP_ID_NULL;

  272.             lv2Options.oNull.value = nullptr;

  273. 

  274.             lv2Options.oMaxBlockLenth.key   = CARLA_URI_MAP_ID_BUF_MAX_LENGTH;

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

  276.             lv2Options.oMaxBlockLenth.type  = CARLA_URI_MAP_ID_ATOM_INT;

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

  278. 

  279.             lv2Options.oMinBlockLenth.key   = CARLA_URI_MAP_ID_BUF_MIN_LENGTH;

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

  281.             lv2Options.oMinBlockLenth.type  = CARLA_URI_MAP_ID_ATOM_INT;

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

  283. 

  284.             lv2Options.oSequenceSize.key   = CARLA_URI_MAP_ID_BUF_SEQUENCE_SIZE;

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

  286.             lv2Options.oSequenceSize.type  = CARLA_URI_MAP_ID_ATOM_INT;

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

  288. 

  289.             lv2Options.oSampleRate.key     = CARLA_URI_MAP_ID_PARAM_SAMPLE_RATE;

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

  291.             lv2Options.oSampleRate.type    = CARLA_URI_MAP_ID_ATOM_DOUBLE;

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

  293.         }

  294. 

  295.         Lv2World.init();

  296.     }

  297. 

  298.     ~Lv2Plugin()

  299.     {

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

  301. 

  302.         // close UI

  303.         if (m_hints & PLUGIN_HAS_GUI)

  304.         {

  305.             showGui(false);

  306. 

  307.             switch (gui.type)

  308.             {

  309.             case GUI_NONE:

  310.             case GUI_INTERNAL_QT4:

  311.             case GUI_INTERNAL_COCOA:

  312.             case GUI_INTERNAL_HWND:

  313.             case GUI_INTERNAL_X11:

  314.             case GUI_EXTERNAL_LV2:

  315.                 break;

  316. 

  317.             case GUI_EXTERNAL_SUIL:

  318. #ifdef HAVE_SUIL

  319.                 if (ui.widget)

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

  321. #endif

  322.                 break;

  323. 

  324.             case GUI_EXTERNAL_OSC:

  325. #ifndef BUILD_BRIDGE

  326.                 if (osc.thread)

  327.                 {

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

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

  330.                     {

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

  332.                         osc.thread->terminate();

  333.                     }

  334. 

  335.                     delete osc.thread;

  336.                 }

  337. #endif

  338.                 break;

  339.             }

  340. 

  341. #ifdef HAVE_SUIL

  342.             if (suil.handle)

  343.             {

  344.                 suil_instance_free(suil.handle);

  345. 

  346.                 if (suil.host)

  347.                     suil_host_free(suil.host);

  348. 

  349.                 ui.handle = nullptr;

  350.                 ui.descriptor = nullptr;

  351.             }

  352. #endif

  353. 

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

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

  356. 

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

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

  359. 

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

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

  362. 

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

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

  365. 

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

  367.             {

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

  369. 

  370.                 if (uiHost->plugin_human_id)

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

  372. 

  373.                 delete uiHost;

  374.             }

  375. 

  376.             uiLibClose();

  377.         }

  378. 

  379.         if (descriptor)

  380.         {

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

  382.             {

  383.                 if (handle)

  384.                     descriptor->deactivate(handle);

  385.                 if (h2)

  386.                     descriptor->deactivate(h2);

  387.             }

  388. 

  389.             if (descriptor->cleanup)

  390.             {

  391.                 if (handle)

  392.                     descriptor->cleanup(handle);

  393.                 if (h2)

  394.                     descriptor->cleanup(h2);

  395.             }

  396.         }

  397. 

  398.         if (rdf_descriptor)

  399.             lv2_rdf_free(rdf_descriptor);

  400. 

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

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

  403. 

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

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

  406. 

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

  408.         {

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

  410.             delete[] options;

  411.         }

  412. 

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

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

  415. 

  416.         if (features[lv2_feature_id_rtmempool] && features[lv2_feature_id_rtmempool]->data)

  417.             delete (LV2_RtMemPool_Pool*)features[lv2_feature_id_rtmempool]->data;

  418. 

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

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

  421. 

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

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

  424. 

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

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

  427. 

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

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

  430. 

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

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

  433. 

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

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

  436. 

  437. #ifndef BUILD_BRIDGE

  438.         if (! carlaOptions.processHighPrecision)

  439. #endif

  440.         {

  441.             features[lv2_feature_id_bufsize_fixed]    = nullptr;

  442.             features[lv2_feature_id_bufsize_powerof2] = nullptr;

  443.         }

  444. 

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

  446.         {

  447.             if (features[i])

  448.                 delete features[i];

  449.         }

  450. 

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

  452.         {

  453.             if (customURIDs[i])

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

  455.         }

  456. 

  457.         customURIDs.clear();

  458.     }

  459. 

  460.     // -------------------------------------------------------------------

  461.     // Information (base)

  462. 

  463.     PluginCategory category()

  464.     {

  465.         Q_ASSERT(rdf_descriptor);

  466. 

  467.         LV2_Property category = rdf_descriptor->Type;

  468. 

  469.         if (LV2_IS_DELAY(category))

  470.             return PLUGIN_CATEGORY_DELAY;

  471.         if (LV2_IS_DISTORTION(category))

  472.             return PLUGIN_CATEGORY_OTHER;

  473.         if (LV2_IS_DYNAMICS(category))

  474.             return PLUGIN_CATEGORY_DYNAMICS;

  475.         if (LV2_IS_EQ(category))

  476.             return PLUGIN_CATEGORY_EQ;

  477.         if (LV2_IS_FILTER(category))

  478.             return PLUGIN_CATEGORY_FILTER;

  479.         if (LV2_IS_GENERATOR(category))

  480.             return PLUGIN_CATEGORY_SYNTH;

  481.         if (LV2_IS_MODULATOR(category))

  482.             return PLUGIN_CATEGORY_MODULATOR;

  483.         if (LV2_IS_REVERB(category))

  484.             return PLUGIN_CATEGORY_DELAY;

  485.         if (LV2_IS_SIMULATOR(category))

  486.             return PLUGIN_CATEGORY_OTHER;

  487.         if (LV2_IS_SPATIAL(category))

  488.             return PLUGIN_CATEGORY_OTHER;

  489.         if (LV2_IS_SPECTRAL(category))

  490.             return PLUGIN_CATEGORY_UTILITY;

  491.         if (LV2_IS_UTILITY(category))

  492.             return PLUGIN_CATEGORY_UTILITY;

  493. 

  494.         return getPluginCategoryFromName(m_name);

  495.     }

  496. 

  497.     long uniqueId()

  498.     {

  499.         Q_ASSERT(rdf_descriptor);

  500. 

  501.         return rdf_descriptor->UniqueID;

  502.     }

  503. 

  504.     // -------------------------------------------------------------------

  505.     // Information (count)

  506. 

  507.     uint32_t midiInCount()

  508.     {

  509.         uint32_t i, count = 0;

  510. 

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

  512.         {

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

  514.                 count += 1;

  515.         }

  516. 

  517.         return count;

  518.     }

  519. 

  520.     uint32_t midiOutCount()

  521.     {

  522.         uint32_t i, count = 0;

  523. 

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

  525.         {

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

  527.                 count += 1;

  528.         }

  529. 

  530.         return count;

  531.     }

  532. 

  533.     uint32_t parameterScalePointCount(const uint32_t parameterId)

  534.     {

  535.         Q_ASSERT(parameterId < param.count);

  536.         Q_ASSERT(rdf_descriptor);

  537. 

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

  539. 

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

  541.         {

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

  543.             return port->ScalePointCount;

  544.         }

  545. 

  546.         return 0;

  547.     }

  548. 

  549.     // -------------------------------------------------------------------

  550.     // Information (per-plugin data)

  551. 

  552.     double getParameterValue(const uint32_t parameterId)

  553.     {

  554.         Q_ASSERT(parameterId < param.count);

  555. 

  556.         return paramBuffers[parameterId];

  557.     }

  558. 

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

  560.     {

  561.         Q_ASSERT(parameterId < param.count);

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

  563. 

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

  565. 

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

  567.         {

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

  569. 

  570.             if (scalePointId < port->ScalePointCount)

  571.             {

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

  573.                 return portScalePoint->Value;

  574.             }

  575.         }

  576. 

  577.         return 0.0;

  578.     }

  579. 

  580.     void getLabel(char* const strBuf)

  581.     {

  582.         Q_ASSERT(rdf_descriptor);

  583. 

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

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

  586.         else

  587.             CarlaPlugin::getLabel(strBuf);

  588.     }

  589. 

  590.     void getMaker(char* const strBuf)

  591.     {

  592.         Q_ASSERT(rdf_descriptor);

  593. 

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

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

  596.         else

  597.             CarlaPlugin::getMaker(strBuf);

  598.     }

  599. 

  600.     void getCopyright(char* const strBuf)

  601.     {

  602.         Q_ASSERT(rdf_descriptor);

  603. 

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

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

  606.         else

  607.             CarlaPlugin::getCopyright(strBuf);

  608.     }

  609. 

  610.     void getRealName(char* const strBuf)

  611.     {

  612.         Q_ASSERT(rdf_descriptor);

  613. 

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

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

  616.         else

  617.             CarlaPlugin::getRealName(strBuf);

  618.     }

  619. 

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

  621.     {

  622.         Q_ASSERT(rdf_descriptor);

  623.         Q_ASSERT(parameterId < param.count);

  624. 

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

  626. 

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

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

  629.         else

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

  631.     }

  632. 

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

  634.     {

  635.         Q_ASSERT(rdf_descriptor);

  636.         Q_ASSERT(parameterId < param.count);

  637. 

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

  639. 

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

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

  642.         else

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

  644.     }

  645. 

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

  647.     {

  648.         Q_ASSERT(rdf_descriptor);

  649.         Q_ASSERT(parameterId < param.count);

  650. 

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

  652. 

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

  654.         {

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

  656. 

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

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

  659. 

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

  661.             {

  662.                 switch (port->Unit.Type)

  663.                 {

  664.                 case LV2_UNIT_BAR:

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

  666.                     return;

  667.                 case LV2_UNIT_BEAT:

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

  669.                     return;

  670.                 case LV2_UNIT_BPM:

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

  672.                     return;

  673.                 case LV2_UNIT_CENT:

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

  675.                     return;

  676.                 case LV2_UNIT_CM:

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

  678.                     return;

  679.                 case LV2_UNIT_COEF:

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

  681.                     return;

  682.                 case LV2_UNIT_DB:

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

  684.                     return;

  685.                 case LV2_UNIT_DEGREE:

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

  687.                     return;

  688.                 case LV2_UNIT_FRAME:

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

  690.                     return;

  691.                 case LV2_UNIT_HZ:

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

  693.                     return;

  694.                 case LV2_UNIT_INCH:

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

  696.                     return;

  697.                 case LV2_UNIT_KHZ:

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

  699.                     return;

  700.                 case LV2_UNIT_KM:

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

  702.                     return;

  703.                 case LV2_UNIT_M:

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

  705.                     return;

  706.                 case LV2_UNIT_MHZ:

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

  708.                     return;

  709.                 case LV2_UNIT_MIDINOTE:

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

  711.                     return;

  712.                 case LV2_UNIT_MILE:

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

  714.                     return;

  715.                 case LV2_UNIT_MIN:

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

  717.                     return;

  718.                 case LV2_UNIT_MM:

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

  720.                     return;

  721.                 case LV2_UNIT_MS:

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

  723.                     return;

  724.                 case LV2_UNIT_OCT:

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

  726.                     return;

  727.                 case LV2_UNIT_PC:

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

  729.                     return;

  730.                 case LV2_UNIT_S:

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

  732.                     return;

  733.                 case LV2_UNIT_SEMITONE:

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

  735.                     return;

  736.                 }

  737.             }

  738.         }

  739. 

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

  741.     }

  742. 

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

  744.     {

  745.         Q_ASSERT(rdf_descriptor);

  746.         Q_ASSERT(parameterId < param.count);

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

  748. 

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

  750. 

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

  752.         {

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

  754. 

  755.             if (scalePointId < port->ScalePointCount)

  756.             {

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

  758. 

  759.                 if (portScalePoint->Label)

  760.                 {

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

  762.                     return;

  763.                 }

  764.             }

  765.         }

  766. 

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

  768.     }

  769. 

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

  771.     {

  772.         Q_ASSERT(type);

  773.         Q_ASSERT(resizable);

  774. 

  775.         *type      = gui.type;

  776.         *resizable = gui.resizable;

  777.     }

  778. 

  779.     // -------------------------------------------------------------------

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

  781. 

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

  783.     {

  784.         Q_ASSERT(parameterId < param.count);

  785. 

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

  787. 

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

  789.     }

  790. 

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

  792.     {

  793.         Q_ASSERT(type != CUSTOM_DATA_INVALID);

  794.         Q_ASSERT(key);

  795.         Q_ASSERT(value);

  796. 

  797.         if (type == CUSTOM_DATA_INVALID)

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

  799. 

  800.         if (! key)

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

  802. 

  803.         if (! value)

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

  805. 

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

  807. 

  808.         if (ext.state)

  809.         {

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

  811.             LV2_State_Status status;

  812. 

  813.             if (x_engine->isOffline())

  814.             {

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

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

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

  818.             }

  819.             else

  820.             {

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

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

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

  824.             }

  825. 

  826.             switch (status)

  827.             {

  828.             case LV2_STATE_SUCCESS:

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

  830.                 break;

  831.             case LV2_STATE_ERR_UNKNOWN:

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

  833.                 break;

  834.             case LV2_STATE_ERR_BAD_TYPE:

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

  836.                 break;

  837.             case LV2_STATE_ERR_BAD_FLAGS:

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

  839.                 break;

  840.             case LV2_STATE_ERR_NO_FEATURE:

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

  842.                 break;

  843.             case LV2_STATE_ERR_NO_PROPERTY:

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

  845.                 break;

  846.             }

  847.         }

  848. 

  849.         if (sendGui)

  850.         {

  851.             CustomData cdata;

  852.             cdata.type  = type;

  853.             cdata.key   = key;

  854.             cdata.value = value;

  855.             uiTransferCustomData(&cdata);

  856.         }

  857.     }

  858. 

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

  860.     {

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

  862. 

  863.         if (index < -1)

  864.             index = -1;

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

  866.             return;

  867. 

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

  869.         {

  870.             if (x_engine->isOffline())

  871.             {

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

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

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

  875.             }

  876.             else

  877.             {

  878.                 const ScopedDisabler m(this, block);

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

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

  881.             }

  882.         }

  883. 

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

  885.     }

  886. 

  887.     // -------------------------------------------------------------------

  888.     // Set gui stuff

  889. 

  890.     void setGuiData(QDialog* const dialog)

  891.     {

  892.         switch(gui.type)

  893.         {

  894.         case GUI_NONE:

  895.             break;

  896. 

  897.         case GUI_INTERNAL_QT4:

  898.             if (ui.widget)

  899.             {

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

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

  902.                 widget->adjustSize();

  903.                 widget->setParent(dialog);

  904.                 widget->show();

  905.             }

  906.             break;

  907. 

  908.         case GUI_INTERNAL_COCOA:

  909.         case GUI_INTERNAL_HWND:

  910.         case GUI_INTERNAL_X11:

  911.             if (ui.descriptor)

  912.             {

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

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

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

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

  917.                 updateUi();

  918.             }

  919.             break;

  920. 

  921.         case GUI_EXTERNAL_LV2:

  922.         case GUI_EXTERNAL_SUIL:

  923.         case GUI_EXTERNAL_OSC:

  924.             break;

  925.         }

  926.     }

  927. 

  928.     void showGui(const bool yesNo)

  929.     {

  930.         switch(gui.type)

  931.         {

  932.         case GUI_NONE:

  933.         case GUI_INTERNAL_QT4:

  934.             break;

  935. 

  936.         case GUI_INTERNAL_COCOA:

  937.         case GUI_INTERNAL_HWND:

  938.         case GUI_INTERNAL_X11:

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

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

  941.             break;

  942. 

  943.         case GUI_EXTERNAL_LV2:

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

  945.                 initExternalUi();

  946. 

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

  948.             {

  949.                 if (yesNo)

  950.                 {

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

  952.                 }

  953.                 else

  954.                 {

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

  956. 

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

  958.                     {

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

  960. 

  961.                         if (ui.descriptor->cleanup)

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

  963. 

  964.                         ui.handle = nullptr;

  965.                     }

  966.                 }

  967.             }

  968.             else

  969.                 // failed to init UI

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

  971. 

  972.             break;

  973. 

  974.         case GUI_EXTERNAL_SUIL:

  975. #ifdef HAVE_SUIL

  976.             if (ui.widget)

  977.             {

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

  979. 

  980.                 if (yesNo)

  981.                 {

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

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

  984.                 }

  985.                 else

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

  987. 

  988.                 widget->setVisible(yesNo);

  989.             }

  990. #endif

  991.             break;

  992. 

  993.         case GUI_EXTERNAL_OSC:

  994. #ifndef BUILD_BRIDGE

  995.             Q_ASSERT(osc.thread);

  996. 

  997.             if (! osc.thread)

  998.             {

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

  1000.                 return;

  1001.             }

  1002. 

  1003.             if (yesNo)

  1004.             {

  1005.                 osc.thread->start();

  1006.             }

  1007.             else

  1008.             {

  1009.                 if (osc.data.target)

  1010.                 {

  1011.                     osc_send_hide(&osc.data);

  1012.                     osc_send_quit(&osc.data);

  1013.                     osc_clear_data(&osc.data);

  1014.                 }

  1015. 

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

  1017.                     osc.thread->quit();

  1018.             }

  1019. #endif

  1020.             break;

  1021.         }

  1022.     }

  1023. 

  1024.     void idleGui()

  1025.     {

  1026. #ifdef BUILD_BRIDGE

  1027.         const bool haveUI = (gui.type != GUI_EXTERNAL_OSC && ui.handle && ui.descriptor);

  1028. #else

  1029.         const bool haveUI = (gui.type == GUI_EXTERNAL_OSC && osc.data.target) || (ui.handle && ui.descriptor);

  1030. #endif

  1031. 

  1032.         if (haveUI)

  1033.         {

  1034.             // Update event ports

  1035.             if (! atomQueueOut.isEmpty())

  1036.             {

  1037.                 static Lv2AtomQueue queue;

  1038.                 queue.copyDataFrom(&atomQueueOut);

  1039. 

  1040.                 uint32_t portIndex;

  1041.                 const LV2_Atom* atom;

  1042. 

  1043.                 while (queue.get(&portIndex, &atom, false))

  1044.                 {

  1045. #ifndef BUILD_BRIDGE

  1046.                     if (gui.type == GUI_EXTERNAL_OSC)

  1047.                     {

  1048.                         QByteArray chunk((const char*)atom, sizeof(LV2_Atom) + atom->size);

  1049.                         osc_send_lv2_transfer_event(&osc.data, portIndex, getCustomURIString(atom->type), chunk.toBase64().constData());

  1050.                     }

  1051.                     else

  1052. #endif

  1053.                     {

  1054.                         if (ui.descriptor->port_event)

  1055.                             ui.descriptor->port_event(ui.handle, portIndex, atom->size, CARLA_URI_MAP_ID_ATOM_TRANSFER_EVENT, atom);

  1056.                     }

  1057.                 }

  1058.             }

  1059. 

  1060.             // Update external UI

  1061.             if (gui.type == GUI_EXTERNAL_LV2 && ui.widget)

  1062.                 LV2_EXTERNAL_UI_RUN((LV2_External_UI_Widget*)ui.widget);

  1063.         }

  1064. 

  1065.         CarlaPlugin::idleGui();

  1066.     }

  1067. 

  1068.     // -------------------------------------------------------------------

  1069.     // Plugin state

  1070. 

  1071.     void reload()

  1072.     {

  1073.         qDebug("Lv2Plugin::reload() - start");

  1074.         Q_ASSERT(descriptor && rdf_descriptor);

  1075. 

  1076.         // Safely disable plugin for reload

  1077.         const ScopedDisabler m(this);

  1078. 

  1079.         if (x_client->isActive())

  1080.             x_client->deactivate();

  1081. 

  1082.         // Remove client ports

  1083.         removeClientPorts();

  1084. 

  1085.         // Delete old data

  1086.         deleteBuffers();

  1087. 

  1088.         uint32_t aIns, aOuts, cvIns, cvOuts, params, j;

  1089.         aIns = aOuts = cvIns = cvOuts = params = 0;

  1090.         std::vector<uint32_t> evIns, evOuts;

  1091. 

  1092.         const double sampleRate  = x_engine->getSampleRate();

  1093.         const uint32_t portCount = rdf_descriptor->PortCount;

  1094. 

  1095.         bool forcedStereoIn, forcedStereoOut;

  1096.         forcedStereoIn = forcedStereoOut = false;

  1097. 

  1098.         for (uint32_t i=0; i < portCount; i++)

  1099.         {

  1100.             const LV2_Property portType = rdf_descriptor->Ports[i].Type;

  1101. 

  1102.             if (LV2_IS_PORT_AUDIO(portType))

  1103.             {

  1104.                 if (LV2_IS_PORT_INPUT(portType))

  1105.                     aIns += 1;

  1106.                 else if (LV2_IS_PORT_OUTPUT(portType))

  1107.                     aOuts += 1;

  1108.             }

  1109.             else if (LV2_IS_PORT_CV(portType))

  1110.             {

  1111.                 if (LV2_IS_PORT_INPUT(portType))

  1112.                     cvIns += 1;

  1113.                 else if (LV2_IS_PORT_OUTPUT(portType))

  1114.                     cvOuts += 1;

  1115.             }

  1116.             else if (LV2_IS_PORT_ATOM_SEQUENCE(portType))

  1117.             {

  1118.                 if (LV2_IS_PORT_INPUT(portType))

  1119.                     evIns.push_back(CARLA_EVENT_DATA_ATOM);

  1120.                 else if (LV2_IS_PORT_OUTPUT(portType))

  1121.                     evOuts.push_back(CARLA_EVENT_DATA_ATOM);

  1122.             }

  1123.             else if (LV2_IS_PORT_EVENT(portType))

  1124.             {

  1125.                 if (LV2_IS_PORT_INPUT(portType))

  1126.                     evIns.push_back(CARLA_EVENT_DATA_EVENT);

  1127.                 else if (LV2_IS_PORT_OUTPUT(portType))

  1128.                     evOuts.push_back(CARLA_EVENT_DATA_EVENT);

  1129.             }

  1130.             else if (LV2_IS_PORT_MIDI_LL(portType))

  1131.             {

  1132.                 if (LV2_IS_PORT_INPUT(portType))

  1133.                     evIns.push_back(CARLA_EVENT_DATA_MIDI_LL);

  1134.                 else if (LV2_IS_PORT_OUTPUT(portType))

  1135.                     evOuts.push_back(CARLA_EVENT_DATA_MIDI_LL);

  1136.             }

  1137.             else if (LV2_IS_PORT_CONTROL(portType))

  1138.                 params += 1;

  1139.         }

  1140. 

  1141. #ifndef BUILD_BRIDGE

  1142.         if (carlaOptions.forceStereo && (aIns == 1 || aOuts == 1) && ! h2)

  1143.         {

  1144.             h2 = descriptor->instantiate(descriptor, sampleRate, rdf_descriptor->Bundle, features);

  1145. 

  1146.             if (aIns == 1)

  1147.             {

  1148.                 aIns = 2;

  1149.                 forcedStereoIn = true;

  1150.             }

  1151. 

  1152.             if (aOuts == 1)

  1153.             {

  1154.                 aOuts = 2;

  1155.                 forcedStereoOut = true;

  1156.             }

  1157.         }

  1158. #endif

  1159. 

  1160.         if (aIns > 0)

  1161.         {

  1162.             aIn.ports    = new CarlaEngineAudioPort*[aIns];

  1163.             aIn.rindexes = new uint32_t[aIns];

  1164.         }

  1165. 

  1166.         if (aOuts > 0)

  1167.         {

  1168.             aOut.ports    = new CarlaEngineAudioPort*[aOuts];

  1169.             aOut.rindexes = new uint32_t[aOuts];

  1170.         }

  1171. 

  1172.         if (evIns.size() > 0)

  1173.         {

  1174.             const size_t size = evIns.size();

  1175.             evIn.data = new Lv2EventData[size];

  1176. 

  1177.             for (j=0; j < size; j++)

  1178.             {

  1179.                 evIn.data[j].port = nullptr;

  1180.                 evIn.data[j].type = 0;

  1181. 

  1182.                 if (evIns[j] == CARLA_EVENT_DATA_ATOM)

  1183.                 {

  1184.                     evIn.data[j].type = CARLA_EVENT_DATA_ATOM;

  1185.                     evIn.data[j].atom = (LV2_Atom_Sequence*)malloc(sizeof(LV2_Atom_Sequence) + MAX_EVENT_BUFFER);

  1186.                     evIn.data[j].atom->atom.size = sizeof(LV2_Atom_Sequence_Body);

  1187.                     evIn.data[j].atom->atom.type = CARLA_URI_MAP_ID_ATOM_SEQUENCE;

  1188.                     evIn.data[j].atom->body.unit = CARLA_URI_MAP_ID_NULL;

  1189.                     evIn.data[j].atom->body.pad  = 0;

  1190.                 }

  1191.                 else if (evIns[j] == CARLA_EVENT_DATA_EVENT)

  1192.                 {

  1193.                     evIn.data[j].type  = CARLA_EVENT_DATA_EVENT;

  1194.                     evIn.data[j].event = lv2_event_buffer_new(MAX_EVENT_BUFFER, LV2_EVENT_AUDIO_STAMP);

  1195.                 }

  1196.                 else if (evIns[j] == CARLA_EVENT_DATA_MIDI_LL)

  1197.                 {

  1198.                     evIn.data[j].type  = CARLA_EVENT_DATA_MIDI_LL;

  1199.                     evIn.data[j].midi  = new LV2_MIDI;

  1200.                     evIn.data[j].midi->capacity = MAX_EVENT_BUFFER;

  1201.                     evIn.data[j].midi->data     = new unsigned char [MAX_EVENT_BUFFER];

  1202.                 }

  1203.             }

  1204.         }

  1205. 

  1206.         if (evOuts.size() > 0)

  1207.         {

  1208.             const size_t size = evOuts.size();

  1209.             evOut.data = new Lv2EventData[size];

  1210. 

  1211.             for (j=0; j < size; j++)

  1212.             {

  1213.                 evOut.data[j].port = nullptr;

  1214.                 evOut.data[j].type = 0;

  1215. 

  1216.                 if (evOuts[j] == CARLA_EVENT_DATA_ATOM)

  1217.                 {

  1218.                     evOut.data[j].type = CARLA_EVENT_DATA_ATOM;

  1219.                     evOut.data[j].atom = (LV2_Atom_Sequence*)malloc(sizeof(LV2_Atom_Sequence) + MAX_EVENT_BUFFER);

  1220.                     evOut.data[j].atom->atom.size = sizeof(LV2_Atom_Sequence_Body);

  1221.                     evOut.data[j].atom->atom.type = CARLA_URI_MAP_ID_ATOM_SEQUENCE;

  1222.                     evOut.data[j].atom->body.unit = CARLA_URI_MAP_ID_NULL;

  1223.                     evOut.data[j].atom->body.pad  = 0;

  1224.                 }

  1225.                 else if (evOuts[j] == CARLA_EVENT_DATA_EVENT)

  1226.                 {

  1227.                     evOut.data[j].type  = CARLA_EVENT_DATA_EVENT;

  1228.                     evOut.data[j].event = lv2_event_buffer_new(MAX_EVENT_BUFFER, LV2_EVENT_AUDIO_STAMP);

  1229.                 }

  1230.                 else if (evOuts[j] == CARLA_EVENT_DATA_MIDI_LL)

  1231.                 {

  1232.                     evOut.data[j].type  = CARLA_EVENT_DATA_MIDI_LL;

  1233.                     evOut.data[j].midi  = new LV2_MIDI;

  1234.                     evOut.data[j].midi->capacity = MAX_EVENT_BUFFER;

  1235.                     evOut.data[j].midi->data     = new unsigned char [MAX_EVENT_BUFFER];

  1236.                 }

  1237.             }

  1238.         }

  1239. 

  1240.         if (params > 0)

  1241.         {

  1242.             param.data   = new ParameterData[params];

  1243.             param.ranges = new ParameterRanges[params];

  1244.             paramBuffers = new float[params];

  1245.         }

  1246. 

  1247.         const int portNameSize = CarlaEngine::maxPortNameSize() - 2;

  1248.         char portName[portNameSize];

  1249.         bool needsCtrlIn  = false;

  1250.         bool needsCtrlOut = false;

  1251. 

  1252.         for (uint32_t i=0; i < portCount; i++)

  1253.         {

  1254.             const LV2_Property portType = rdf_descriptor->Ports[i].Type;

  1255. 

  1256.             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))

  1257.             {

  1258. #ifndef BUILD_BRIDGE

  1259.                 if (carlaOptions.processMode != PROCESS_MODE_MULTIPLE_CLIENTS)

  1260.                 {

  1261.                     strcpy(portName, m_name);

  1262.                     strcat(portName, ":");

  1263.                     strncat(portName, rdf_descriptor->Ports[i].Name, portNameSize/2);

  1264.                 }

  1265.                 else

  1266. #endif

  1267.                     strncpy(portName, rdf_descriptor->Ports[i].Name, portNameSize);

  1268.             }

  1269. 

  1270.             if (LV2_IS_PORT_AUDIO(portType))

  1271.             {

  1272.                 if (LV2_IS_PORT_INPUT(portType))

  1273.                 {

  1274.                     j = aIn.count++;

  1275.                     aIn.ports[j]    = (CarlaEngineAudioPort*)x_client->addPort(CarlaEnginePortTypeAudio, portName, true);

  1276.                     aIn.rindexes[j] = i;

  1277. 

  1278.                     if (forcedStereoIn)

  1279.                     {

  1280.                         strcat(portName, "_");

  1281.                         aIn.ports[1]    = (CarlaEngineAudioPort*)x_client->addPort(CarlaEnginePortTypeAudio, portName, true);

  1282.                         aIn.rindexes[1] = i;

  1283.                     }

  1284.                 }

  1285.                 else if (LV2_IS_PORT_OUTPUT(portType))

  1286.                 {

  1287.                     j = aOut.count++;

  1288.                     aOut.ports[j]    = (CarlaEngineAudioPort*)x_client->addPort(CarlaEnginePortTypeAudio, portName, false);

  1289.                     aOut.rindexes[j] = i;

  1290.                     needsCtrlIn = true;

  1291. 

  1292.                     if (forcedStereoOut)

  1293.                     {

  1294.                         strcat(portName, "_");

  1295.                         aOut.ports[1]    = (CarlaEngineAudioPort*)x_client->addPort(CarlaEnginePortTypeAudio, portName, false);

  1296.                         aOut.rindexes[1] = i;

  1297.                     }

  1298.                 }

  1299.                 else

  1300.                     qWarning("WARNING - Got a broken Port (Audio, but not input or output)");

  1301.             }

  1302.             else if (LV2_IS_PORT_CV(portType))

  1303.             {

  1304.                 if (LV2_IS_PORT_INPUT(portType))

  1305.                 {

  1306.                     qWarning("WARNING - CV Ports are not supported yet");

  1307.                 }

  1308.                 else if (LV2_IS_PORT_OUTPUT(portType))

  1309.                 {

  1310.                     qWarning("WARNING - CV Ports are not supported yet");

  1311.                 }

  1312.                 else

  1313.                     qWarning("WARNING - Got a broken Port (CV, but not input or output)");

  1314. 

  1315.                 descriptor->connect_port(handle, i, nullptr);

  1316.                 if (h2) descriptor->connect_port(h2, i, nullptr);

  1317.             }

  1318.             else if (LV2_IS_PORT_ATOM_SEQUENCE(portType))

  1319.             {

  1320.                 if (LV2_IS_PORT_INPUT(portType))

  1321.                 {

  1322.                     j = evIn.count++;

  1323.                     descriptor->connect_port(handle, i, evIn.data[j].atom);

  1324.                     if (h2) descriptor->connect_port(h2, i, evIn.data[j].atom);

  1325. 

  1326.                     evIn.data[j].rindex = i;

  1327. 

  1328.                     if (portType & LV2_PORT_SUPPORTS_MIDI_EVENT)

  1329.                     {

  1330.                         evIn.data[j].type |= CARLA_EVENT_TYPE_MIDI;

  1331.                         evIn.data[j].port  = (CarlaEngineMidiPort*)x_client->addPort(CarlaEnginePortTypeMIDI, portName, true);

  1332.                     }

  1333.                     if (portType & LV2_PORT_SUPPORTS_PATCH_MESSAGE)

  1334.                     {

  1335.                         evIn.data[j].type |= CARLA_EVENT_TYPE_MESSAGE;

  1336.                     }

  1337.                 }

  1338.                 else if (LV2_IS_PORT_OUTPUT(portType))

  1339.                 {

  1340.                     j = evOut.count++;

  1341.                     descriptor->connect_port(handle, i, evOut.data[j].atom);

  1342.                     if (h2) descriptor->connect_port(h2, i, evOut.data[j].atom);

  1343. 

  1344.                     evOut.data[j].rindex = i;

  1345. 

  1346.                     if (portType & LV2_PORT_SUPPORTS_MIDI_EVENT)

  1347.                     {

  1348.                         evOut.data[j].type |= CARLA_EVENT_TYPE_MIDI;

  1349.                         evOut.data[j].port  = (CarlaEngineMidiPort*)x_client->addPort(CarlaEnginePortTypeMIDI, portName, false);

  1350.                     }

  1351.                     if (portType & LV2_PORT_SUPPORTS_PATCH_MESSAGE)

  1352.                     {

  1353.                         evOut.data[j].type |= CARLA_EVENT_TYPE_MESSAGE;

  1354.                     }

  1355.                 }

  1356.                 else

  1357.                     qWarning("WARNING - Got a broken Port (Atom Sequence, but not input or output)");

  1358.             }

  1359.             else if (LV2_IS_PORT_EVENT(portType))

  1360.             {

  1361.                 if (LV2_IS_PORT_INPUT(portType))

  1362.                 {

  1363.                     j = evIn.count++;

  1364.                     descriptor->connect_port(handle, i, evIn.data[j].event);

  1365.                     if (h2) descriptor->connect_port(h2, i, evIn.data[j].event);

  1366. 

  1367.                     evIn.data[j].rindex = i;

  1368. 

  1369.                     if (portType & LV2_PORT_SUPPORTS_MIDI_EVENT)

  1370.                     {

  1371.                         evIn.data[j].type |= CARLA_EVENT_TYPE_MIDI;

  1372.                         evIn.data[j].port  = (CarlaEngineMidiPort*)x_client->addPort(CarlaEnginePortTypeMIDI, portName, true);

  1373.                     }

  1374.                 }

  1375.                 else if (LV2_IS_PORT_OUTPUT(portType))

  1376.                 {

  1377.                     j = evOut.count++;

  1378.                     descriptor->connect_port(handle, i, evOut.data[j].event);

  1379.                     if (h2) descriptor->connect_port(h2, i, evOut.data[j].event);

  1380. 

  1381.                     evOut.data[j].rindex = i;

  1382. 

  1383.                     if (portType & LV2_PORT_SUPPORTS_MIDI_EVENT)

  1384.                     {

  1385.                         evOut.data[j].type |= CARLA_EVENT_TYPE_MIDI;

  1386.                         evOut.data[j].port  = (CarlaEngineMidiPort*)x_client->addPort(CarlaEnginePortTypeMIDI, portName, false);

  1387.                     }

  1388.                 }

  1389.                 else

  1390.                     qWarning("WARNING - Got a broken Port (Event, but not input or output)");

  1391.             }

  1392.             else if (LV2_IS_PORT_MIDI_LL(portType))

  1393.             {

  1394.                 if (LV2_IS_PORT_INPUT(portType))

  1395.                 {

  1396.                     j = evIn.count++;

  1397.                     descriptor->connect_port(handle, i, evIn.data[j].midi);

  1398.                     if (h2) descriptor->connect_port(h2, i, evIn.data[j].midi);

  1399. 

  1400.                     evIn.data[j].type  |= CARLA_EVENT_TYPE_MIDI;

  1401.                     evIn.data[j].port   = (CarlaEngineMidiPort*)x_client->addPort(CarlaEnginePortTypeMIDI, portName, true);

  1402.                     evIn.data[j].rindex = i;

  1403.                 }

  1404.                 else if (LV2_IS_PORT_OUTPUT(portType))

  1405.                 {

  1406.                     j = evOut.count++;

  1407.                     descriptor->connect_port(handle, i, evOut.data[j].midi);

  1408.                     if (h2) descriptor->connect_port(h2, i, evOut.data[j].midi);

  1409. 

  1410.                     evOut.data[j].type  |= CARLA_EVENT_TYPE_MIDI;

  1411.                     evOut.data[j].port   = (CarlaEngineMidiPort*)x_client->addPort(CarlaEnginePortTypeMIDI, portName, false);

  1412.                     evOut.data[j].rindex = i;

  1413.                 }

  1414.                 else

  1415.                     qWarning("WARNING - Got a broken Port (Midi, but not input or output)");

  1416.             }

  1417.             else if (LV2_IS_PORT_CONTROL(portType))

  1418.             {

  1419.                 const LV2_Property portProps = rdf_descriptor->Ports[i].Properties;

  1420.                 const LV2_Property portDesignation = rdf_descriptor->Ports[i].Designation;

  1421.                 const LV2_RDF_PortPoints portPoints = rdf_descriptor->Ports[i].Points;

  1422. 

  1423.                 j = param.count++;

  1424.                 param.data[j].index  = j;

  1425.                 param.data[j].rindex = i;

  1426.                 param.data[j].hints  = 0;

  1427.                 param.data[j].midiChannel = 0;

  1428.                 param.data[j].midiCC = -1;

  1429. 

  1430.                 double min, max, def, step, stepSmall, stepLarge;

  1431. 

  1432.                 // min value

  1433.                 if (LV2_HAVE_MINIMUM_PORT_POINT(portPoints.Hints))

  1434.                     min = portPoints.Minimum;

  1435.                 else

  1436.                     min = 0.0;

  1437. 

  1438.                 // max value

  1439.                 if (LV2_HAVE_MAXIMUM_PORT_POINT(portPoints.Hints))

  1440.                     max = portPoints.Maximum;

  1441.                 else

  1442.                     max = 1.0;

  1443. 

  1444.                 if (min > max)

  1445.                     max = min;

  1446.                 else if (max < min)

  1447.                     min = max;

  1448. 

  1449.                 // stupid hack for ir.lv2 (broken plugin)

  1450.                 if (strcmp(rdf_descriptor->URI, "http://factorial.hu/plugins/lv2/ir") == 0 && strncmp(rdf_descriptor->Ports[i].Name, "FileHash", 8) == 0)

  1451.                 {

  1452.                     min = 0.0;

  1453.                     max = 16777215.0; // 0xffffff

  1454.                 }

  1455. 

  1456.                 if (max - min == 0.0)

  1457.                 {

  1458.                     qWarning("Broken plugin parameter: max - min == 0");

  1459.                     max = min + 0.1;

  1460.                 }

  1461. 

  1462.                 // default value

  1463.                 if (LV2_HAVE_DEFAULT_PORT_POINT(portPoints.Hints))

  1464.                 {

  1465.                     def = portPoints.Default;

  1466.                 }

  1467.                 else

  1468.                 {

  1469.                     // no default value

  1470.                     if (min < 0.0 && max > 0.0)

  1471.                         def = 0.0;

  1472.                     else

  1473.                         def = min;

  1474.                 }

  1475. 

  1476.                 if (def < min)

  1477.                     def = min;

  1478.                 else if (def > max)

  1479.                     def = max;

  1480. 

  1481.                 if (LV2_IS_PORT_SAMPLE_RATE(portProps))

  1482.                 {

  1483.                     min *= sampleRate;

  1484.                     max *= sampleRate;

  1485.                     def *= sampleRate;

  1486.                     param.data[j].hints |= PARAMETER_USES_SAMPLERATE;

  1487.                 }

  1488. 

  1489.                 if (LV2_IS_PORT_TOGGLED(portProps))

  1490.                 {

  1491.                     step = max - min;

  1492.                     stepSmall = step;

  1493.                     stepLarge = step;

  1494.                     param.data[j].hints |= PARAMETER_IS_BOOLEAN;

  1495.                 }

  1496.                 else if (LV2_IS_PORT_INTEGER(portProps))

  1497.                 {

  1498.                     step = 1.0;

  1499.                     stepSmall = 1.0;

  1500.                     stepLarge = 10.0;

  1501.                     param.data[j].hints |= PARAMETER_IS_INTEGER;

  1502.                 }

  1503.                 else

  1504.                 {

  1505.                     double range = max - min;

  1506.                     step = range/100.0;

  1507.                     stepSmall = range/1000.0;

  1508.                     stepLarge = range/10.0;

  1509.                 }

  1510. 

  1511.                 if (LV2_IS_PORT_INPUT(portType))

  1512.                 {

  1513.                     if (LV2_IS_PORT_DESIGNATION_LATENCY(portDesignation))

  1514.                     {

  1515.                         qWarning("Plugin has latency input port, this should not happen!");

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

  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_INPUT;

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

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

  1540.                         needsCtrlIn = true;

  1541.                     }

  1542. 

  1543.                     // MIDI CC value

  1544.                     const LV2_RDF_PortMidiMap* const portMidiMap = &rdf_descriptor->Ports[i].MidiMap;

  1545.                     if (LV2_IS_PORT_MIDI_MAP_CC(portMidiMap->Type))

  1546.                     {

  1547.                         if (! MIDI_IS_CONTROL_BANK_SELECT(portMidiMap->Number))

  1548.                             param.data[j].midiCC = portMidiMap->Number;

  1549.                     }

  1550.                 }

  1551.                 else if (LV2_IS_PORT_OUTPUT(portType))

  1552.                 {

  1553.                     if (LV2_IS_PORT_DESIGNATION_LATENCY(portDesignation))

  1554.                     {

  1555.                         min = 0.0;

  1556.                         max = sampleRate;

  1557.                         def = 0.0;

  1558.                         step = 1.0;

  1559.                         stepSmall = 1.0;

  1560.                         stepLarge = 1.0;

  1561. 

  1562.                         param.data[j].type  = PARAMETER_LATENCY;

  1563.                         param.data[j].hints = 0;

  1564.                     }

  1565.                     else if (LV2_IS_PORT_DESIGNATION_SAMPLE_RATE(portDesignation))

  1566.                     {

  1567.                         def = sampleRate;

  1568.                         step = 1.0;

  1569.                         stepSmall = 1.0;

  1570.                         stepLarge = 1.0;

  1571. 

  1572.                         param.data[j].type  = PARAMETER_SAMPLE_RATE;

  1573.                         param.data[j].hints = 0;

  1574.                     }

  1575.                     else if (LV2_IS_PORT_DESIGNATION_FREEWHEELING(portDesignation))

  1576.                     {

  1577.                         qWarning("Plugin has freewheeling output port, this should not happen!");

  1578.                     }

  1579.                     else if (LV2_IS_PORT_DESIGNATION_TIME(portDesignation))

  1580.                     {

  1581.                         param.data[j].type = PARAMETER_LV2_TIME;

  1582.                     }

  1583.                     else

  1584.                     {

  1585.                         param.data[j].type   = PARAMETER_OUTPUT;

  1586.                         param.data[j].hints |= PARAMETER_IS_ENABLED;

  1587.                         param.data[j].hints |= PARAMETER_IS_AUTOMABLE;

  1588.                         needsCtrlOut = true;

  1589.                     }

  1590.                 }

  1591.                 else

  1592.                 {

  1593.                     param.data[j].type = PARAMETER_UNKNOWN;

  1594.                     qWarning("WARNING - Got a broken Port (Control, but not input or output)");

  1595.                 }

  1596. 

  1597.                 // extra parameter hints

  1598.                 if (LV2_IS_PORT_ENUMERATION(portProps))

  1599.                     param.data[j].hints |= PARAMETER_USES_SCALEPOINTS;

  1600. 

  1601.                 if (LV2_IS_PORT_LOGARITHMIC(portProps))

  1602.                     param.data[j].hints |= PARAMETER_IS_LOGARITHMIC;

  1603. 

  1604.                 if (LV2_IS_PORT_TRIGGER(portProps))

  1605.                     param.data[j].hints |= PARAMETER_IS_TRIGGER;

  1606. 

  1607.                 if (LV2_IS_PORT_STRICT_BOUNDS(portProps))

  1608.                     param.data[j].hints |= PARAMETER_IS_STRICT_BOUNDS;

  1609. 

  1610.                 // check if parameter is not enabled or automable

  1611.                 if (LV2_IS_PORT_NOT_ON_GUI(portProps))

  1612.                     param.data[j].hints &= ~PARAMETER_IS_ENABLED;

  1613. 

  1614.                 if (LV2_IS_PORT_CAUSES_ARTIFACTS(portProps) || LV2_IS_PORT_EXPENSIVE(portProps) || LV2_IS_PORT_NOT_AUTOMATIC(portProps))

  1615.                     param.data[j].hints &= ~PARAMETER_IS_AUTOMABLE;

  1616. 

  1617.                 param.ranges[j].min = min;

  1618.                 param.ranges[j].max = max;

  1619.                 param.ranges[j].def = def;

  1620.                 param.ranges[j].step = step;

  1621.                 param.ranges[j].stepSmall = stepSmall;

  1622.                 param.ranges[j].stepLarge = stepLarge;

  1623. 

  1624.                 // Start parameters in their default values

  1625.                 paramBuffers[j] = def;

  1626. 

  1627.                 descriptor->connect_port(handle, i, &paramBuffers[j]);

  1628.                 if (h2) descriptor->connect_port(h2, i, &paramBuffers[j]);

  1629.             }

  1630.             else

  1631.             {

  1632.                 // Port Type not supported, but it's optional anyway

  1633.                 descriptor->connect_port(handle, i, nullptr);

  1634.                 if (h2) descriptor->connect_port(h2, i, nullptr);

  1635.             }

  1636.         }

  1637. 

  1638.         if (needsCtrlIn)

  1639.         {

  1640. #ifndef BUILD_BRIDGE

  1641.             if (carlaOptions.processMode != PROCESS_MODE_MULTIPLE_CLIENTS)

  1642.             {

  1643.                 strcpy(portName, m_name);

  1644.                 strcat(portName, ":control-in");

  1645.             }

  1646.             else

  1647. #endif

  1648.                 strcpy(portName, "control-in");

  1649. 

  1650.             param.portCin = (CarlaEngineControlPort*)x_client->addPort(CarlaEnginePortTypeControl, portName, true);

  1651.         }

  1652. 

  1653.         if (needsCtrlOut)

  1654.         {

  1655. #ifndef BUILD_BRIDGE

  1656.             if (carlaOptions.processMode != PROCESS_MODE_MULTIPLE_CLIENTS)

  1657.             {

  1658.                 strcpy(portName, m_name);

  1659.                 strcat(portName, ":control-out");

  1660.             }

  1661.             else

  1662. #endif

  1663.                 strcpy(portName, "control-out");

  1664. 

  1665.             param.portCout = (CarlaEngineControlPort*)x_client->addPort(CarlaEnginePortTypeControl, portName, false);

  1666.         }

  1667. 

  1668.         aIn.count   = aIns;

  1669.         aOut.count  = aOuts;

  1670.         evIn.count  = evIns.size();

  1671.         evOut.count = evOuts.size();

  1672.         param.count = params;

  1673. 

  1674.         // plugin checks

  1675.         m_hints &= ~(PLUGIN_IS_SYNTH | PLUGIN_USES_CHUNKS | PLUGIN_CAN_DRYWET | PLUGIN_CAN_VOLUME | PLUGIN_CAN_BALANCE);

  1676. 

  1677.         if (LV2_IS_GENERATOR(rdf_descriptor->Type))

  1678.             m_hints |= PLUGIN_IS_SYNTH;

  1679. 

  1680.         if (aOuts > 0 && (aIns == aOuts || aIns == 1))

  1681.             m_hints |= PLUGIN_CAN_DRYWET;

  1682. 

  1683.         if (aOuts > 0)

  1684.             m_hints |= PLUGIN_CAN_VOLUME;

  1685. 

  1686.         if (aOuts >= 2 && aOuts%2 == 0)

  1687.             m_hints |= PLUGIN_CAN_BALANCE;

  1688. 

  1689.         // check extensions

  1690.         ext.state      = nullptr;

  1691.         ext.worker     = nullptr;

  1692.         ext.programs   = nullptr;

  1693. 

  1694.         if (descriptor->extension_data)

  1695.         {

  1696.             if (m_hints & PLUGIN_HAS_EXTENSION_PROGRAMS)

  1697.                 ext.programs = (const LV2_Programs_Interface*)descriptor->extension_data(LV2_PROGRAMS__Interface);

  1698. 

  1699.             if (m_hints & PLUGIN_HAS_EXTENSION_STATE)

  1700.                 ext.state = (const LV2_State_Interface*)descriptor->extension_data(LV2_STATE__interface);

  1701. 

  1702.             if (m_hints & PLUGIN_HAS_EXTENSION_WORKER)

  1703.                 ext.worker = (const LV2_Worker_Interface*)descriptor->extension_data(LV2_WORKER__interface);

  1704.         }

  1705. 

  1706.         reloadPrograms(true);

  1707. 

  1708.         x_client->activate();

  1709. 

  1710.         qDebug("Lv2Plugin::reload() - end");

  1711.     }

  1712. 

  1713.     void reloadPrograms(const bool init)

  1714.     {

  1715.         qDebug("Lv2Plugin::reloadPrograms(%s)", bool2str(init));

  1716.         uint32_t i, oldCount = midiprog.count;

  1717. 

  1718.         // Delete old programs

  1719.         if (midiprog.count > 0)

  1720.         {

  1721.             for (i=0; i < midiprog.count; i++)

  1722.             {

  1723.                 if (midiprog.data[i].name)

  1724.                     free((void*)midiprog.data[i].name);

  1725.             }

  1726. 

  1727.             delete[] midiprog.data;

  1728.         }

  1729. 

  1730.         midiprog.count = 0;

  1731.         midiprog.data  = nullptr;

  1732. 

  1733.         // Query new programs

  1734.         if (ext.programs && ext.programs->get_program && ext.programs->select_program)

  1735.         {

  1736.             while (ext.programs->get_program(handle, midiprog.count))

  1737.                 midiprog.count += 1;

  1738.         }

  1739. 

  1740.         if (midiprog.count > 0)

  1741.             midiprog.data = new midi_program_t[midiprog.count];

  1742. 

  1743.         // Update data

  1744.         for (i=0; i < midiprog.count; i++)

  1745.         {

  1746.             const LV2_Program_Descriptor* const pdesc = ext.programs->get_program(handle, i);

  1747.             Q_ASSERT(pdesc);

  1748.             Q_ASSERT(pdesc->program < 128);

  1749.             Q_ASSERT(pdesc->name);

  1750. 

  1751.             midiprog.data[i].bank    = pdesc->bank;

  1752.             midiprog.data[i].program = pdesc->program;

  1753.             midiprog.data[i].name    = strdup(pdesc->name);

  1754.         }

  1755. 

  1756. #ifndef BUILD_BRIDGE

  1757.         // Update OSC Names

  1758.         if (x_engine->isOscControllerRegisted())

  1759.         {

  1760.             x_engine->osc_send_control_set_midi_program_count(m_id, midiprog.count);

  1761. 

  1762.             for (i=0; i < midiprog.count; i++)

  1763.                 x_engine->osc_send_control_set_midi_program_data(m_id, i, midiprog.data[i].bank, midiprog.data[i].program, midiprog.data[i].name);

  1764.         }

  1765. #endif

  1766. 

  1767.         if (init)

  1768.         {

  1769.             if (midiprog.count > 0)

  1770.                 setMidiProgram(0, false, false, false, true);

  1771.         }

  1772.         else

  1773.         {

  1774.             x_engine->callback(CALLBACK_RELOAD_PROGRAMS, m_id, 0, 0, 0.0);

  1775. 

  1776.             // Check if current program is invalid

  1777.             bool programChanged = false;

  1778. 

  1779.             if (midiprog.count == oldCount+1)

  1780.             {

  1781.                 // one midi program added, probably created by user

  1782.                 midiprog.current = oldCount;

  1783.                 programChanged   = true;

  1784.             }

  1785.             else if (midiprog.current >= (int32_t)midiprog.count)

  1786.             {

  1787.                 // current midi program > count

  1788.                 midiprog.current = 0;

  1789.                 programChanged   = true;

  1790.             }

  1791.             else if (midiprog.current < 0 && midiprog.count > 0)

  1792.             {

  1793.                 // programs exist now, but not before

  1794.                 midiprog.current = 0;

  1795.                 programChanged   = true;

  1796.             }

  1797.             else if (midiprog.current >= 0 && midiprog.count == 0)

  1798.             {

  1799.                 // programs existed before, but not anymore

  1800.                 midiprog.current = -1;

  1801.                 programChanged   = true;

  1802.             }

  1803. 

  1804.             if (programChanged)

  1805.                 setMidiProgram(midiprog.current, true, true, true, true);

  1806.         }

  1807.     }

  1808. 

  1809.     void prepareForSave()

  1810.     {

  1811.         if (ext.state && ext.state->save)

  1812.         {

  1813.             ext.state->save(handle, carla_lv2_state_store, this, LV2_STATE_IS_POD, features);

  1814.             if (h2) ext.state->save(h2, carla_lv2_state_store, this, LV2_STATE_IS_POD, features);

  1815.         }

  1816.     }

  1817. 

  1818.     // -------------------------------------------------------------------

  1819.     // Plugin processing

  1820. 

  1821.     void process(float** const inBuffer, float** const outBuffer, const uint32_t frames, const uint32_t framesOffset)

  1822.     {

  1823.         uint32_t i, k;

  1824.         uint32_t midiEventCount = 0;

  1825. 

  1826.         double aInsPeak[2]  = { 0.0 };

  1827.         double aOutsPeak[2] = { 0.0 };

  1828. 

  1829.         // handle events from different APIs

  1830.         uint32_t evInAtomOffsets[evIn.count];

  1831.         LV2_Event_Iterator evInEventIters[evIn.count];

  1832.         LV2_MIDIState evInMidiStates[evIn.count];

  1833. 

  1834.         for (i=0; i < evIn.count; i++)

  1835.         {

  1836.             if (evIn.data[i].type & CARLA_EVENT_DATA_ATOM)

  1837.             {

  1838.                 evInAtomOffsets[i] = 0;

  1839.                 evIn.data[i].atom->atom.size = 0;

  1840.                 evIn.data[i].atom->atom.type = CARLA_URI_MAP_ID_ATOM_SEQUENCE;

  1841.                 evIn.data[i].atom->body.unit = CARLA_URI_MAP_ID_NULL;

  1842.                 evIn.data[i].atom->body.pad  = 0;

  1843.             }

  1844.             else if (evIn.data[i].type & CARLA_EVENT_DATA_EVENT)

  1845.             {

  1846.                 lv2_event_buffer_reset(evIn.data[i].event, LV2_EVENT_AUDIO_STAMP, (uint8_t*)(evIn.data[i].event + 1));

  1847.                 lv2_event_begin(&evInEventIters[i], evIn.data[i].event);

  1848.             }

  1849.             else if (evIn.data[i].type & CARLA_EVENT_DATA_MIDI_LL)

  1850.             {

  1851.                 evInMidiStates[i].midi = evIn.data[i].midi;

  1852.                 evInMidiStates[i].frame_count = frames;

  1853.                 evInMidiStates[i].position = 0;

  1854.                 evInMidiStates[i].midi->event_count = 0;

  1855.                 evInMidiStates[i].midi->size = 0;

  1856.             }

  1857.         }

  1858. 

  1859.         for (i=0; i < evOut.count; i++)

  1860.         {

  1861.             if (evOut.data[i].type & CARLA_EVENT_DATA_ATOM)

  1862.             {

  1863.                 evOut.data[i].atom->atom.size = 0;

  1864.                 evOut.data[i].atom->atom.type = CARLA_URI_MAP_ID_ATOM_SEQUENCE;

  1865.                 evOut.data[i].atom->body.unit = CARLA_URI_MAP_ID_NULL;

  1866.                 evOut.data[i].atom->body.pad  = 0;

  1867.             }

  1868.             else if (evOut.data[i].type & CARLA_EVENT_DATA_EVENT)

  1869.             {

  1870.                 lv2_event_buffer_reset(evOut.data[i].event, LV2_EVENT_AUDIO_STAMP, (uint8_t*)(evOut.data[i].event + 1));

  1871.             }

  1872.             else if (evOut.data[i].type & CARLA_EVENT_DATA_MIDI_LL)

  1873.             {

  1874.                 // not needed

  1875.             }

  1876.         }

  1877. 

  1878.         CARLA_PROCESS_CONTINUE_CHECK;

  1879. 

  1880.         // --------------------------------------------------------------------------------------------------------

  1881.         // Input VU

  1882. 

  1883.         if (aIn.count > 0)

  1884.         {

  1885.             if (aIn.count == 1)

  1886.             {

  1887.                 for (k=0; k < frames; k++)

  1888.                 {

  1889.                     if (abs(inBuffer[0][k]) > aInsPeak[0])

  1890.                         aInsPeak[0] = abs(inBuffer[0][k]);

  1891.                 }

  1892.             }

  1893.             else if (aIn.count > 1)

  1894.             {

  1895.                 for (k=0; k < frames; k++)

  1896.                 {

  1897.                     if (abs(inBuffer[0][k]) > aInsPeak[0])

  1898.                         aInsPeak[0] = abs(inBuffer[0][k]);

  1899. 

  1900.                     if (abs(inBuffer[1][k]) > aInsPeak[1])

  1901.                         aInsPeak[1] = abs(inBuffer[1][k]);

  1902.                 }

  1903.             }

  1904.         }

  1905. 

  1906.         CARLA_PROCESS_CONTINUE_CHECK;

  1907. 

  1908.         // --------------------------------------------------------------------------------------------------------

  1909.         // Parameters Input [Automation]

  1910. 

  1911.         if (param.portCin && m_active && m_activeBefore)

  1912.         {

  1913.             bool allNotesOffSent = false;

  1914. 

  1915.             const CarlaEngineControlEvent* cinEvent;

  1916.             uint32_t time, nEvents = param.portCin->getEventCount();

  1917. 

  1918.             uint32_t nextBankId = 0;

  1919.             if (midiprog.current >= 0 && midiprog.count > 0)

  1920.                 nextBankId = midiprog.data[midiprog.current].bank;

  1921. 

  1922.             for (i=0; i < nEvents; i++)

  1923.             {

  1924.                 cinEvent = param.portCin->getEvent(i);

  1925. 

  1926.                 if (! cinEvent)

  1927.                     continue;

  1928. 

  1929.                 time = cinEvent->time - framesOffset;

  1930. 

  1931.                 if (time >= frames)

  1932.                     continue;

  1933. 

  1934.                 // Control change

  1935.                 switch (cinEvent->type)

  1936.                 {

  1937.                 case CarlaEngineEventNull:

  1938.                     break;

  1939. 

  1940.                 case CarlaEngineEventControlChange:

  1941.                 {

  1942.                     double value;

  1943. 

  1944.                     // Control backend stuff

  1945.                     if (cinEvent->channel == m_ctrlInChannel)

  1946.                     {

  1947.                         if (MIDI_IS_CONTROL_BREATH_CONTROLLER(cinEvent->controller) && (m_hints & PLUGIN_CAN_DRYWET) > 0)

  1948.                         {

  1949.                             value = cinEvent->value;

  1950.                             setDryWet(value, false, false);

  1951.                             postponeEvent(PluginPostEventParameterChange, PARAMETER_DRYWET, 0, value);

  1952.                             continue;

  1953.                         }

  1954. 

  1955.                         if (MIDI_IS_CONTROL_CHANNEL_VOLUME(cinEvent->controller) && (m_hints & PLUGIN_CAN_VOLUME) > 0)

  1956.                         {

  1957.                             value = cinEvent->value*127/100;

  1958.                             setVolume(value, false, false);

  1959.                             postponeEvent(PluginPostEventParameterChange, PARAMETER_VOLUME, 0, value);

  1960.                             continue;

  1961.                         }

  1962. 

  1963.                         if (MIDI_IS_CONTROL_BALANCE(cinEvent->controller) && (m_hints & PLUGIN_CAN_BALANCE) > 0)

  1964.                         {

  1965.                             double left, right;

  1966.                             value = cinEvent->value/0.5 - 1.0;

  1967. 

  1968.                             if (value < 0.0)

  1969.                             {

  1970.                                 left  = -1.0;

  1971.                                 right = (value*2)+1.0;

  1972.                             }

  1973.                             else if (value > 0.0)

  1974.                             {

  1975.                                 left  = (value*2)-1.0;

  1976.                                 right = 1.0;

  1977.                             }

  1978.                             else

  1979.                             {

  1980.                                 left  = -1.0;

  1981.                                 right = 1.0;

  1982.                             }

  1983. 

  1984.                             setBalanceLeft(left, false, false);

  1985.                             setBalanceRight(right, false, false);

  1986.                             postponeEvent(PluginPostEventParameterChange, PARAMETER_BALANCE_LEFT, 0, left);

  1987.                             postponeEvent(PluginPostEventParameterChange, PARAMETER_BALANCE_RIGHT, 0, right);

  1988.                             continue;

  1989.                         }

  1990.                     }

  1991. 

  1992.                     // Control plugin parameters

  1993.                     for (k=0; k < param.count; k++)

  1994.                     {

  1995.                         if (param.data[k].midiChannel != cinEvent->channel)

  1996.                             continue;

  1997.                         if (param.data[k].midiCC != cinEvent->controller)

  1998.                             continue;

  1999.                         if (param.data[k].type != PARAMETER_INPUT)

  2000.                             continue;

  2001. 

  2002.                         if (param.data[k].hints & PARAMETER_IS_AUTOMABLE)

  2003.                         {

  2004.                             if (param.data[k].hints & PARAMETER_IS_BOOLEAN)

  2005.                             {

  2006.                                 value = cinEvent->value < 0.5 ? param.ranges[k].min : param.ranges[k].max;

  2007.                             }

  2008.                             else

  2009.                             {

  2010.                                 value = cinEvent->value * (param.ranges[k].max - param.ranges[k].min) + param.ranges[k].min;

  2011. 

  2012.                                 if (param.data[k].hints & PARAMETER_IS_INTEGER)

  2013.                                     value = rint(value);

  2014.                             }

  2015. 

  2016.                             setParameterValue(k, value, false, false, false);

  2017.                             postponeEvent(PluginPostEventParameterChange, k, 0, value);

  2018.                         }

  2019.                     }

  2020. 

  2021.                     break;

  2022.                 }

  2023. 

  2024.                 case CarlaEngineEventMidiBankChange:

  2025.                     if (cinEvent->channel == m_ctrlInChannel)

  2026.                         nextBankId = rint(cinEvent->value);

  2027.                     break;

  2028. 

  2029.                 case CarlaEngineEventMidiProgramChange:

  2030.                     if (cinEvent->channel == m_ctrlInChannel)

  2031.                     {

  2032.                         uint32_t nextProgramId = rint(cinEvent->value);

  2033. 

  2034.                         for (k=0; k < midiprog.count; k++)

  2035.                         {

  2036.                             if (midiprog.data[k].bank == nextBankId && midiprog.data[k].program == nextProgramId)

  2037.                             {

  2038.                                 setMidiProgram(k, false, false, false, false);

  2039.                                 postponeEvent(PluginPostEventMidiProgramChange, k, 0, 0.0);

  2040.                                 break;

  2041.                             }

  2042.                         }

  2043.                     }

  2044.                     break;

  2045. 

  2046.                 case CarlaEngineEventAllSoundOff:

  2047.                     if (cinEvent->channel == m_ctrlInChannel)

  2048.                     {

  2049.                         if (midi.portMin && ! allNotesOffSent)

  2050.                             sendMidiAllNotesOff();

  2051. 

  2052.                         if (descriptor->deactivate)

  2053.                         {

  2054.                             descriptor->deactivate(handle);

  2055.                             if (h2) descriptor->deactivate(h2);

  2056.                         }

  2057. 

  2058.                         if (descriptor->activate)

  2059.                         {

  2060.                             descriptor->activate(handle);

  2061.                             if (h2) descriptor->activate(h2);

  2062.                         }

  2063. 

  2064.                         allNotesOffSent = true;

  2065.                     }

  2066.                     break;

  2067. 

  2068.                 case CarlaEngineEventAllNotesOff:

  2069.                     if (cinEvent->channel == m_ctrlInChannel)

  2070.                     {

  2071.                         if (midi.portMin && ! allNotesOffSent)

  2072.                             sendMidiAllNotesOff();

  2073. 

  2074.                         allNotesOffSent = true;

  2075.                     }

  2076.                     break;

  2077.                 }

  2078.             }

  2079.         } // End of Parameters Input

  2080. 

  2081.         CARLA_PROCESS_CONTINUE_CHECK;

  2082. 

  2083.         // --------------------------------------------------------------------------------------------------------

  2084.         // Event Input

  2085. 

  2086.         if (evIn.count > 0 && m_active && m_activeBefore)

  2087.         {

  2088.             // ----------------------------------------------------------------------------------------------------

  2089.             // MIDI Input (External)

  2090. 

  2091.             {

  2092.                 engineMidiLock();

  2093. 

  2094.                 for (i=0; i < MAX_MIDI_EVENTS && midiEventCount < MAX_MIDI_EVENTS; i++)

  2095.                 {

  2096.                     if (extMidiNotes[i].channel < 0)

  2097.                         break;

  2098. 

  2099.                     uint8_t midiEvent[3] = { 0 };

  2100.                     midiEvent[0] = m_ctrlInChannel + extMidiNotes[i].velo ? MIDI_STATUS_NOTE_ON : MIDI_STATUS_NOTE_OFF;

  2101.                     midiEvent[1] = extMidiNotes[i].note;

  2102.                     midiEvent[2] = extMidiNotes[i].velo;

  2103. 

  2104.                     // send to all midi inputs

  2105.                     for (k=0; k < evIn.count; k++)

  2106.                     {

  2107.                         if (evIn.data[k].type & CARLA_EVENT_TYPE_MIDI)

  2108.                         {

  2109.                             if (evIn.data[k].type & CARLA_EVENT_DATA_ATOM)

  2110.                             {

  2111.                                 LV2_Atom_Event* const aev = getLv2AtomEvent(evIn.data[k].atom, evInAtomOffsets[k]);

  2112.                                 aev->time.frames = 0;

  2113.                                 aev->body.type   = CARLA_URI_MAP_ID_MIDI_EVENT;

  2114.                                 aev->body.size   = 3;

  2115.                                 memcpy(LV2_ATOM_BODY(&aev->body), midiEvent, 3);

  2116. 

  2117.                                 const uint32_t evInPadSize    = lv2_atom_pad_size(sizeof(LV2_Atom_Event) + 3);

  2118.                                 evInAtomOffsets[k]           += evInPadSize;

  2119.                                 evIn.data[k].atom->atom.size += evInPadSize;

  2120.                             }

  2121.                             else if (evIn.data[k].type & CARLA_EVENT_DATA_EVENT)

  2122.                             {

  2123.                                 lv2_event_write(&evInEventIters[k], 0, 0, CARLA_URI_MAP_ID_MIDI_EVENT, 3, midiEvent);

  2124.                             }

  2125.                             else if (evIn.data[k].type & CARLA_EVENT_DATA_MIDI_LL)

  2126.                             {

  2127.                                 lv2midi_put_event(&evInMidiStates[k], 0, 3, midiEvent);

  2128.                             }

  2129.                         }

  2130.                     }

  2131. 

  2132.                     extMidiNotes[i].channel = -1; // mark as invalid

  2133.                     midiEventCount += 1;

  2134.                 }

  2135. 

  2136.                 engineMidiUnlock();

  2137. 

  2138.             } // End of MIDI Input (External)

  2139. 

  2140.             CARLA_PROCESS_CONTINUE_CHECK;

  2141. 

  2142.             // ----------------------------------------------------------------------------------------------------

  2143.             // MIDI Input (System)

  2144. 

  2145.             {

  2146.                 for (i=0; i < evIn.count; i++)

  2147.                 {

  2148.                     if (! evIn.data[i].port)

  2149.                         continue;

  2150. 

  2151.                     const CarlaEngineMidiEvent* minEvent;

  2152.                     uint32_t time, nEvents = evIn.data[i].port->getEventCount();

  2153. 

  2154.                     for (k=0; k < nEvents && midiEventCount < MAX_MIDI_EVENTS; k++)

  2155.                     {

  2156.                         minEvent = evIn.data[i].port->getEvent(k);

  2157. 

  2158.                         if (! minEvent)

  2159.                             continue;

  2160. 

  2161.                         time = minEvent->time - framesOffset;

  2162. 

  2163.                         if (time >= frames)

  2164.                             continue;

  2165. 

  2166.                         uint8_t status  = minEvent->data[0];

  2167.                         uint8_t channel = status & 0x0F;

  2168. 

  2169.                         // Fix bad note-off

  2170.                         if (MIDI_IS_STATUS_NOTE_ON(status) && minEvent->data[2] == 0)

  2171.                             status -= 0x10;

  2172. 

  2173.                         // only write supported status types

  2174.                         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))

  2175.                         {

  2176.                             if (evIn.data[i].type & CARLA_EVENT_DATA_ATOM)

  2177.                             {

  2178.                                 LV2_Atom_Event* const aev = getLv2AtomEvent(evIn.data[i].atom, evInAtomOffsets[i]);

  2179.                                 aev->time.frames = time;

  2180.                                 aev->body.type   = CARLA_URI_MAP_ID_MIDI_EVENT;

  2181.                                 aev->body.size   = minEvent->size;

  2182.                                 memcpy(LV2_ATOM_BODY(&aev->body), minEvent->data, minEvent->size);

  2183. 

  2184.                                 const uint32_t evInPadSize    = lv2_atom_pad_size(sizeof(LV2_Atom_Event) + minEvent->size);

  2185.                                 evInAtomOffsets[i]           += evInPadSize;

  2186.                                 evIn.data[i].atom->atom.size += evInPadSize;

  2187.                             }

  2188.                             else if (evIn.data[i].type & CARLA_EVENT_DATA_EVENT)

  2189.                             {

  2190.                                 lv2_event_write(&evInEventIters[i], time, 0, CARLA_URI_MAP_ID_MIDI_EVENT, minEvent->size, minEvent->data);

  2191.                             }

  2192.                             else if (evIn.data[i].type & CARLA_EVENT_DATA_MIDI_LL)

  2193.                             {

  2194.                                 lv2midi_put_event(&evInMidiStates[i], time, minEvent->size, minEvent->data);

  2195.                             }

  2196. 

  2197.                             if (MIDI_IS_STATUS_NOTE_OFF(status))

  2198.                                 postponeEvent(PluginPostEventNoteOff, channel, minEvent->data[1], 0.0);

  2199.                             else if (MIDI_IS_STATUS_NOTE_ON(status))

  2200.                                 postponeEvent(PluginPostEventNoteOn, channel, minEvent->data[1], minEvent->data[2]);

  2201.                         }

  2202. 

  2203.                         midiEventCount += 1;

  2204.                     }

  2205.                 }

  2206.             } // End of MIDI Input (System)

  2207. 

  2208.             // ----------------------------------------------------------------------------------------------------

  2209.             // Message Input

  2210. 

  2211.             {

  2212.                 for (i=0; i < evIn.count; i++)

  2213.                 {

  2214.                     if (! evIn.data[i].type & CARLA_EVENT_TYPE_MESSAGE)

  2215.                         continue;

  2216. 

  2217.                     // messages only supported in Atom type ports

  2218.                     Q_ASSERT(evIn.data[i].type & CARLA_EVENT_DATA_ATOM);

  2219. 

  2220. #if 0

  2221.                      // send transport info if changed

  2222.                     const CarlaTimeInfo* const timeInfo = x_engine->getTimeInfo();

  2223. 

  2224.                     if (timeInfo->playing != lastTimePosPlaying || timeInfo->frame != lastTimePosFrame)

  2225.                     {

  2226.                         uint8_t posBuf[256];

  2227.                         LV2_Atom* const lv2Pos = (LV2_Atom*)posBuf;

  2228. 

  2229.                         LV2_Atom_Forge tempForge;

  2230.                         LV2_Atom_Forge* const forge = &tempForge;

  2231.                         lv2_atom_forge_set_buffer(forge, posBuf, sizeof(uint8_t)*256);

  2232. 

  2233.                         //LV2_Atom_Forge_Frame frame;

  2234.                         //lv2_atom_forge_blank(forge, &frame, 1, jalv->urids.time_Position);

  2235.                         //lv2_atom_forge_property_head(forge, jalv->urids.time_frame, 0);

  2236.                         lv2_atom_forge_long(forge, timeInfo->frame);

  2237.                         //lv2_atom_forge_property_head(forge, jalv->urids.time_position, 0);

  2238.                         lv2_atom_forge_long(forge, timeInfo->time);

  2239.                         //lv2_atom_forge_property_head(forge, jalv->urids.time_speed, 0);

  2240.                         lv2_atom_forge_float(forge, timeInfo->playing ? 1.0 : 0.0);

  2241. 

  2242.                         if (timeInfo->valid & CarlaEngineTimeBBT)

  2243.                         {

  2244.                             //lv2_atom_forge_property_head(forge, jalv->urids.time_bar, 0);

  2245.                             lv2_atom_forge_float(forge, timeInfo->bbt.bar - 1);

  2246. 

  2247.                             //lv2_atom_forge_property_head(forge, jalv->urids.time_barBeat, 0);

  2248.                             lv2_atom_forge_float(forge, timeInfo->bbt.beat - 1 + (timeInfo->bbt.tick / timeInfo->bbt.ticks_per_beat));

  2249. 

  2250.                             //lv2_atom_forge_property_head(forge, jalv->urids.time_beat, 0);

  2251.                             lv2_atom_forge_float(forge, timeInfo->bbt.beat - 1); // FIXME: -1 ?

  2252. 

  2253.                             //lv2_atom_forge_property_head(forge, jalv->urids.time_beatUnit, 0);

  2254.                             lv2_atom_forge_float(forge, timeInfo->bbt.beat_type);

  2255. 

  2256.                             //lv2_atom_forge_property_head(forge, jalv->urids.time_beatsPerBar, 0);

  2257.                             lv2_atom_forge_float(forge, timeInfo->bbt.beats_per_bar);

  2258. 

  2259.                             //lv2_atom_forge_property_head(forge, jalv->urids.time_beatsPerMinute, 0);

  2260.                             lv2_atom_forge_float(forge, timeInfo->bbt.beats_per_minute);

  2261.                         }

  2262. 

  2263.                         LV2_Atom_Event* const aev = getLv2AtomEvent(evIn.data[i].atom, evInAtomOffsets[i]);

  2264.                         aev->time.frames = framesOffset;

  2265.                         aev->body.type   = lv2Pos->type;

  2266.                         aev->body.size   = lv2Pos->size;

  2267.                         memcpy(LV2_ATOM_BODY(&aev->body), LV2_ATOM_BODY(lv2Pos), lv2Pos->size);

  2268. 

  2269.                         const uint32_t evInPadSize    = lv2_atom_pad_size(sizeof(LV2_Atom_Event) + lv2Pos->size);

  2270.                         evInAtomOffsets[i]           += evInPadSize;

  2271.                         evIn.data[i].atom->atom.size += evInPadSize;

  2272. 

  2273.                         lastTimePosPlaying = timeInfo->playing;

  2274.                         lastTimePosFrame   = timeInfo->playing ? timeInfo->frame + frames : timeInfo->frame;

  2275.                     }

  2276. #endif

  2277. 

  2278.                     atomQueueIn.lock();

  2279. 

  2280.                     if (! atomQueueIn.isEmpty())

  2281.                     {

  2282.                         uint32_t portIndex;

  2283.                         const LV2_Atom* atom;

  2284. 

  2285.                         while (atomQueueIn.get(&portIndex, &atom, false))

  2286.                         {

  2287.                             if (atom->type == CARLA_URI_MAP_ID_ATOM_WORKER)

  2288.                             {

  2289.                                 const LV2_Atom_Worker* const atomWorker = (const LV2_Atom_Worker*)atom;

  2290.                                 ext.worker->work_response(handle, atomWorker->body.size, atomWorker->body.data);

  2291.                                 continue;

  2292.                             }

  2293. 

  2294.                             LV2_Atom_Event* const aev = getLv2AtomEvent(evIn.data[i].atom, evInAtomOffsets[i]);

  2295.                             aev->time.frames = framesOffset;

  2296.                             aev->body.type   = atom->type;

  2297.                             aev->body.size   = atom->size;

  2298.                             memcpy(LV2_ATOM_BODY(&aev->body), LV2_ATOM_BODY(atom), atom->size);

  2299. 

  2300.                             const uint32_t evInPadSize    = lv2_atom_pad_size(sizeof(LV2_Atom_Event) + atom->size);

  2301.                             evInAtomOffsets[i]           += evInPadSize;

  2302.                             evIn.data[i].atom->atom.size += evInPadSize;

  2303.                         }

  2304.                     }

  2305. 

  2306.                     atomQueueIn.unlock();

  2307.                 }

  2308.             }

  2309. 

  2310.         } // End of Event Input

  2311. 

  2312.         CARLA_PROCESS_CONTINUE_CHECK;

  2313. 

  2314.         // --------------------------------------------------------------------------------------------------------

  2315.         // Special Parameters

  2316. 

  2317.         {

  2318.             int32_t rindex;

  2319.             const CarlaTimeInfo* const timeInfo = x_engine->getTimeInfo();

  2320. 

  2321.             for (k=0; k < param.count; k++)

  2322.             {

  2323.                 if (param.data[k].type == PARAMETER_LATENCY)

  2324.                 {

  2325.                     // TODO

  2326.                 }

  2327.                 else if (param.data[k].type == PARAMETER_LV2_FREEWHEEL)

  2328.                 {

  2329.                     setParameterValue(k, x_engine->isOffline() ? 1.0 : 0.0, false, false, false);

  2330.                 }

  2331.                 else if (param.data[k].type == PARAMETER_LV2_TIME)

  2332.                 {

  2333.                     rindex = param.data[k].rindex;

  2334.                     Q_ASSERT(rindex >= 0 && rindex < (int32_t)rdf_descriptor->PortCount);

  2335. 

  2336.                     switch (rdf_descriptor->Ports[rindex].Designation)

  2337.                     {

  2338.                     // Non-BBT

  2339.                     case LV2_PORT_DESIGNATION_TIME_FRAME:

  2340.                         setParameterValue(k, timeInfo->frame, false, false, false);

  2341.                         break;

  2342.                     case LV2_PORT_DESIGNATION_TIME_FRAMES_PER_SECOND:

  2343.                         break;

  2344.                     case LV2_PORT_DESIGNATION_TIME_POSITION:

  2345.                         setParameterValue(k, timeInfo->time, false, false, false);

  2346.                         break;

  2347.                     case LV2_PORT_DESIGNATION_TIME_SPEED:

  2348.                         setParameterValue(k, timeInfo->playing ? 1.0 : 0.0, false, false, false);

  2349.                         break;

  2350.                     // BBT

  2351.                     case LV2_PORT_DESIGNATION_TIME_BAR:

  2352.                         if (timeInfo->valid & CarlaEngineTimeBBT)

  2353.                             setParameterValue(k, timeInfo->bbt.bar - 1, false, false, false);

  2354.                         break;

  2355.                     case LV2_PORT_DESIGNATION_TIME_BAR_BEAT:

  2356.                         if (timeInfo->valid & CarlaEngineTimeBBT)

  2357.                             setParameterValue(k, timeInfo->bbt.beat - 1 + (timeInfo->bbt.tick / timeInfo->bbt.ticks_per_beat), false, false, false);

  2358.                         break;

  2359.                     case LV2_PORT_DESIGNATION_TIME_BEAT:

  2360.                         if (timeInfo->valid & CarlaEngineTimeBBT)  // FIXME: -1 ?

  2361.                             setParameterValue(k, timeInfo->bbt.beat - 1, false, false, false);

  2362.                         break;

  2363.                     case LV2_PORT_DESIGNATION_TIME_BEAT_UNIT:

  2364.                         if (timeInfo->valid & CarlaEngineTimeBBT)

  2365.                             setParameterValue(k, timeInfo->bbt.beat_type, false, false, false);

  2366.                         break;

  2367.                     case LV2_PORT_DESIGNATION_TIME_BEATS_PER_BAR:

  2368.                         if (timeInfo->valid & CarlaEngineTimeBBT)

  2369.                             setParameterValue(k, timeInfo->bbt.beats_per_bar, false, false, false);

  2370.                         break;

  2371.                     case LV2_PORT_DESIGNATION_TIME_BEATS_PER_MINUTE:

  2372.                         if (timeInfo->valid & CarlaEngineTimeBBT)

  2373.                             setParameterValue(k, timeInfo->bbt.beats_per_minute, false, false, false);

  2374.                         break;

  2375.                     }

  2376.                 }

  2377.             }

  2378.         }

  2379. 

  2380.         CARLA_PROCESS_CONTINUE_CHECK;

  2381. 

  2382.         // --------------------------------------------------------------------------------------------------------

  2383.         // Plugin processing

  2384. 

  2385.         if (m_active)

  2386.         {

  2387.             if (! m_activeBefore)

  2388.             {

  2389.                 if (evIn.count > 0 && m_ctrlInChannel >= 0 && m_ctrlInChannel < 16)

  2390.                 {

  2391.                     uint8_t midiEvent1[2] = { 0 };

  2392.                     midiEvent1[0] = MIDI_STATUS_CONTROL_CHANGE + m_ctrlInChannel;

  2393.                     midiEvent1[1] = MIDI_CONTROL_ALL_SOUND_OFF;

  2394. 

  2395.                     uint8_t midiEvent2[2] = { 0 };

  2396.                     midiEvent2[0] = MIDI_STATUS_CONTROL_CHANGE + m_ctrlInChannel;

  2397.                     midiEvent2[1] = MIDI_CONTROL_ALL_SOUND_OFF;

  2398. 

  2399.                     // send to all midi inputs

  2400.                     for (k=0; k < evIn.count; k++)

  2401.                     {

  2402.                         if (evIn.data[k].type & CARLA_EVENT_TYPE_MIDI)

  2403.                         {

  2404.                             if (evIn.data[k].type & CARLA_EVENT_DATA_ATOM)

  2405.                             {

  2406.                                 // all sound off

  2407.                                 LV2_Atom_Event* const aev1 = getLv2AtomEvent(evIn.data[k].atom, evInAtomOffsets[k]);

  2408.                                 aev1->time.frames = 0;

  2409.                                 aev1->body.type   = CARLA_URI_MAP_ID_MIDI_EVENT;

  2410.                                 aev1->body.size   = 2;

  2411.                                 memcpy(LV2_ATOM_BODY(&aev1->body), midiEvent1, 2);

  2412. 

  2413.                                 const uint32_t padSize = lv2_atom_pad_size(sizeof(LV2_Atom_Event) + 2);

  2414.                                 evInAtomOffsets[k]           += padSize;

  2415.                                 evIn.data[k].atom->atom.size += padSize;

  2416. 

  2417.                                 // all notes off

  2418.                                 LV2_Atom_Event* const aev2 = getLv2AtomEvent(evIn.data[k].atom, evInAtomOffsets[k]);

  2419.                                 aev2->time.frames = 0;

  2420.                                 aev2->body.type   = CARLA_URI_MAP_ID_MIDI_EVENT;

  2421.                                 aev2->body.size   = 2;

  2422.                                 memcpy(LV2_ATOM_BODY(&aev2->body), midiEvent2, 2);

  2423. 

  2424.                                 evInAtomOffsets[k]           += padSize;

  2425.                                 evIn.data[k].atom->atom.size += padSize;

  2426.                             }

  2427.                             else if (evIn.data[k].type & CARLA_EVENT_DATA_EVENT)

  2428.                             {

  2429.                                 lv2_event_write(&evInEventIters[k], 0, 0, CARLA_URI_MAP_ID_MIDI_EVENT, 2, midiEvent1);

  2430.                                 lv2_event_write(&evInEventIters[k], 0, 0, CARLA_URI_MAP_ID_MIDI_EVENT, 2, midiEvent2);

  2431.                             }

  2432.                             else if (evIn.data[k].type & CARLA_EVENT_DATA_MIDI_LL)

  2433.                             {

  2434.                                 lv2midi_put_event(&evInMidiStates[k], 0, 2, midiEvent1);

  2435.                                 lv2midi_put_event(&evInMidiStates[k], 0, 2, midiEvent2);

  2436.                             }

  2437.                         }

  2438.                     }

  2439. 

  2440.                     midiEventCount = 2;

  2441.                 }

  2442. 

  2443.                 if (descriptor->activate)

  2444.                 {

  2445.                     descriptor->activate(handle);

  2446.                     if (h2) descriptor->activate(h2);

  2447.                 }

  2448.             }

  2449. 

  2450.             for (i=0; i < aIn.count; i++)

  2451.             {

  2452.                 if (i == 0 || ! h2) descriptor->connect_port(handle, aIn.rindexes[i], inBuffer[i]);

  2453.                 if (i == 1 && h2) descriptor->connect_port(h2, aIn.rindexes[i], inBuffer[i]);

  2454.             }

  2455. 

  2456.             for (i=0; i < aOut.count; i++)

  2457.             {

  2458.                 if (i == 0 || ! h2) descriptor->connect_port(handle, aOut.rindexes[i], outBuffer[i]);

  2459.                 if (i == 1 && h2)   descriptor->connect_port(h2, aOut.rindexes[i], outBuffer[i]);

  2460.             }

  2461. 

  2462.             descriptor->run(handle, frames);

  2463.             if (h2) descriptor->run(h2, frames);

  2464. 

  2465.             if (ext.worker && ext.worker->end_run)

  2466.             {

  2467.                 ext.worker->end_run(handle);

  2468.                 if (h2) ext.worker->end_run(h2);

  2469.             }

  2470.         }

  2471.         else

  2472.         {

  2473.             if (m_activeBefore)

  2474.             {

  2475.                 if (descriptor->deactivate)

  2476.                 {

  2477.                     descriptor->deactivate(handle);

  2478.                     if (h2) descriptor->deactivate(h2);

  2479.                 }

  2480.             }

  2481.         }

  2482. 

  2483.         CARLA_PROCESS_CONTINUE_CHECK;

  2484. 

  2485.         // --------------------------------------------------------------------------------------------------------

  2486.         // Post-processing (dry/wet, volume and balance)

  2487. 

  2488.         if (m_active)

  2489.         {

  2490.             bool do_drywet  = (m_hints & PLUGIN_CAN_DRYWET) > 0 && x_dryWet != 1.0;

  2491.             bool do_volume  = (m_hints & PLUGIN_CAN_VOLUME) > 0 && x_volume != 1.0;

  2492.             bool do_balance = (m_hints & PLUGIN_CAN_BALANCE) > 0 && (x_balanceLeft != -1.0 || x_balanceRight != 1.0);

  2493. 

  2494.             double bal_rangeL, bal_rangeR;

  2495.             float oldBufLeft[do_balance ? frames : 0];

  2496. 

  2497.             for (i=0; i < aOut.count; i++)

  2498.             {

  2499.                 // Dry/Wet

  2500.                 if (do_drywet)

  2501.                 {

  2502.                     for (k=0; k < frames; k++)

  2503.                     {

  2504.                         if (aOut.count == 1)

  2505.                             outBuffer[i][k] = (outBuffer[i][k]*x_dryWet)+(inBuffer[0][k]*(1.0-x_dryWet));

  2506.                         else

  2507.                             outBuffer[i][k] = (outBuffer[i][k]*x_dryWet)+(inBuffer[i][k]*(1.0-x_dryWet));

  2508.                     }

  2509.                 }

  2510. 

  2511.                 // Balance

  2512.                 if (do_balance)

  2513.                 {

  2514.                     if (i%2 == 0)

  2515.                         memcpy(&oldBufLeft, outBuffer[i], sizeof(float)*frames);

  2516. 

  2517.                     bal_rangeL = (x_balanceLeft+1.0)/2;

  2518.                     bal_rangeR = (x_balanceRight+1.0)/2;

  2519. 

  2520.                     for (k=0; k < frames; k++)

  2521.                     {

  2522.                         if (i%2 == 0)

  2523.                         {

  2524.                             // left output

  2525.                             outBuffer[i][k]  = oldBufLeft[k]*(1.0-bal_rangeL);

  2526.                             outBuffer[i][k] += outBuffer[i+1][k]*(1.0-bal_rangeR);

  2527.                         }

  2528.                         else

  2529.                         {

  2530.                             // right

  2531.                             outBuffer[i][k]  = outBuffer[i][k]*bal_rangeR;

  2532.                             outBuffer[i][k] += oldBufLeft[k]*bal_rangeL;

  2533.                         }

  2534.                     }

  2535.                 }

  2536. 

  2537.                 // Volume

  2538.                 if (do_volume)

  2539.                 {

  2540.                     for (k=0; k < frames; k++)

  2541.                         outBuffer[i][k] *= x_volume;

  2542.                 }

  2543. 

  2544.                 // Output VU

  2545.                 for (k=0; i < 2 && k < frames; k++)

  2546.                 {

  2547.                     if (abs(outBuffer[i][k]) > aOutsPeak[i])

  2548.                         aOutsPeak[i] = abs(outBuffer[i][k]);

  2549.                 }

  2550.             }

  2551.         }

  2552.         else

  2553.         {

  2554.             // disable any output sound if not active

  2555.             for (i=0; i < aOut.count; i++)

  2556.                 memset(outBuffer[i], 0.0f, sizeof(float)*frames);

  2557. 

  2558.             aOutsPeak[0] = 0.0;

  2559.             aOutsPeak[1] = 0.0;

  2560. 

  2561.         } // End of Post-processing

  2562. 

  2563.         CARLA_PROCESS_CONTINUE_CHECK;

  2564. 

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

  2566.         // Control Output

  2567. 

  2568.         if (param.portCout && m_active)

  2569.         {

  2570.             double value;

  2571. 

  2572.             for (k=0; k < param.count; k++)

  2573.             {

  2574.                 if (param.data[k].type == PARAMETER_OUTPUT)

  2575.                 {

  2576.                     fixParameterValue(paramBuffers[k], param.ranges[k]);

  2577. 

  2578.                     if (param.data[k].midiCC > 0)

  2579.                     {

  2580.                         value = (paramBuffers[k] - param.ranges[k].min) / (param.ranges[k].max - param.ranges[k].min);

  2581.                         param.portCout->writeEvent(CarlaEngineEventControlChange, framesOffset, param.data[k].midiChannel, param.data[k].midiCC, value);

  2582.                     }

  2583.                 }

  2584.             }

  2585.         } // End of Control Output

  2586. 

  2587.         CARLA_PROCESS_CONTINUE_CHECK;

  2588. 

  2589.         // --------------------------------------------------------------------------------------------------------

  2590.         // Event Output

  2591. 

  2592.         if (evOut.count > 0 && m_active)

  2593.         {

  2594.             atomQueueOut.lock();

  2595. 

  2596.             for (i=0; i < evOut.count; i++)

  2597.             {

  2598.                 // midi events need the midi port to send events to

  2599.                 if ((evOut.data[i].type & CARLA_EVENT_TYPE_MIDI) > 0 && ! evOut.data[i].port)

  2600.                     continue;

  2601. 

  2602.                 if (evOut.data[i].type & CARLA_EVENT_DATA_ATOM)

  2603.                 {

  2604.                     int32_t size   = evOut.data[i].atom->atom.size - sizeof(LV2_Atom_Sequence_Body);

  2605.                     int32_t offset = 0;

  2606. 

  2607.                     while (offset < size)

  2608.                     {

  2609.                         qDebug("output event??, offset:%i, size:%i", offset, size);

  2610.                         const LV2_Atom_Event* const aev = (LV2_Atom_Event*)((char*)LV2_ATOM_CONTENTS(LV2_Atom_Sequence, evOut.data[i].atom) + offset);

  2611. 

  2612.                         if ((! aev) || aev->body.type == CARLA_URI_MAP_ID_NULL)

  2613.                             break;

  2614. 

  2615.                         qDebug("output event ------------------------------ YES!");

  2616. 

  2617.                         if (aev->body.type == CARLA_URI_MAP_ID_MIDI_EVENT)

  2618.                         {

  2619.                             const unsigned char* const data = (unsigned char*)LV2_ATOM_BODY(&aev->body);

  2620.                             evOut.data[i].port->writeEvent(aev->time.frames, data, aev->body.size);

  2621.                         }

  2622.                         else if (aev->body.type == CARLA_URI_MAP_ID_ATOM_TRANSFER_EVENT)

  2623.                         {

  2624.                             if (! atomQueueOut.isFull())

  2625.                                 atomQueueOut.put(evOut.data[i].rindex, &aev->body);

  2626.                         }

  2627. 

  2628.                         offset += lv2_atom_pad_size(sizeof(LV2_Atom_Event) + aev->body.size);

  2629.                     }

  2630.                 }

  2631.                 else if (evOut.data[i].type & CARLA_EVENT_DATA_EVENT)

  2632.                 {

  2633.                     const LV2_Event* ev;

  2634.                     LV2_Event_Iterator iter;

  2635. 

  2636.                     uint8_t* data;

  2637.                     lv2_event_begin(&iter, evOut.data[i].event);

  2638. 

  2639.                     for (k=0; k < iter.buf->event_count; k++)

  2640.                     {

  2641.                         ev = lv2_event_get(&iter, &data);

  2642. 

  2643.                         if (ev && ev->type == CARLA_URI_MAP_ID_MIDI_EVENT && data)

  2644.                             evOut.data[i].port->writeEvent(ev->frames, data, ev->size);

  2645. 

  2646.                         lv2_event_increment(&iter);

  2647.                     }

  2648.                 }

  2649.                 else if (evOut.data[i].type & CARLA_EVENT_DATA_MIDI_LL)

  2650.                 {

  2651.                     LV2_MIDIState state = { evOut.data[i].midi, frames, 0 };

  2652. 

  2653.                     uint32_t eventSize;

  2654.                     double   eventTime;

  2655.                     unsigned char* eventData;

  2656. 

  2657.                     while (lv2midi_get_event(&state, &eventTime, &eventSize, &eventData) < frames)

  2658.                     {

  2659.                         evOut.data[i].port->writeEvent(eventTime, eventData, eventSize);

  2660.                         lv2midi_step(&state);

  2661.                     }

  2662.                 }

  2663.             }

  2664. 

  2665.             atomQueueOut.unlock();

  2666. 

  2667.         } // End of Event Output

  2668. 

  2669.         CARLA_PROCESS_CONTINUE_CHECK;

  2670. 

  2671.         // --------------------------------------------------------------------------------------------------------

  2672.         // Peak Values

  2673. 

  2674.         x_engine->setInputPeak(m_id, 0, aInsPeak[0]);

  2675.         x_engine->setInputPeak(m_id, 1, aInsPeak[1]);

  2676.         x_engine->setOutputPeak(m_id, 0, aOutsPeak[0]);

  2677.         x_engine->setOutputPeak(m_id, 1, aOutsPeak[1]);

  2678. 

  2679.         m_activeBefore = m_active;

  2680.     }

  2681. 

  2682.     void bufferSizeChanged(const uint32_t newBufferSize)

  2683.     {

  2684.         lv2Options.bufferSize = newBufferSize;

  2685.     }

  2686. 

  2687.     // -------------------------------------------------------------------

  2688.     // Post-poned events

  2689. 

  2690.     void postEventHandleCustom(const int32_t size, const int32_t, const double, const void* const data)

  2691.     {

  2692.         qDebug("Lv2Plugin::postEventHandleCustom(%i, %p)", size, data);

  2693.         Q_ASSERT(ext.worker && ext.worker->work);

  2694. 

  2695.         if (ext.worker && ext.worker->work)

  2696.             ext.worker->work(handle, carla_lv2_worker_respond, this, size, data);

  2697.     }

  2698. 

  2699.     void uiParameterChange(const uint32_t index, const double value)

  2700.     {

  2701.         Q_ASSERT(index < param.count);

  2702. 

  2703.         if (index >= param.count)

  2704.             return;

  2705. 

  2706. #ifndef BUILD_BRIDGE

  2707.         if (gui.type == GUI_EXTERNAL_OSC)

  2708.         {

  2709.             if (osc.data.target)

  2710.                 osc_send_control(&osc.data, param.data[index].rindex, value);

  2711.         }

  2712.         else

  2713. #endif

  2714.         {

  2715.             if (ui.handle && ui.descriptor && ui.descriptor->port_event)

  2716.             {

  2717.                 float valueF = value;

  2718.                 ui.descriptor->port_event(ui.handle, param.data[index].rindex, sizeof(float), 0, &valueF);

  2719.             }

  2720.         }

  2721.     }

  2722. 

  2723.     void uiMidiProgramChange(const uint32_t index)

  2724.     {

  2725.         Q_ASSERT(index < midiprog.count);

  2726. 

  2727.         if (index >= midiprog.count)

  2728.             return;

  2729. 

  2730. #ifndef BUILD_BRIDGE

  2731.         if (gui.type == GUI_EXTERNAL_OSC)

  2732.         {

  2733.             if (osc.data.target)

  2734.                 osc_send_midi_program(&osc.data, midiprog.data[index].bank, midiprog.data[index].program);

  2735.         }

  2736.         else

  2737. #endif

  2738.         {

  2739.             if (ext.uiprograms)

  2740.                 ext.uiprograms->select_program(ui.handle, midiprog.data[index].bank, midiprog.data[index].program);

  2741.         }

  2742.     }

  2743. 

  2744.     void uiNoteOn(const uint8_t channel, const uint8_t note, const uint8_t velo)

  2745.     {

  2746.         Q_ASSERT(channel < 16);

  2747.         Q_ASSERT(note < 128);

  2748.         Q_ASSERT(velo > 0 && velo < 128);

  2749. 

  2750. #ifndef BUILD_BRIDGE

  2751.         if (gui.type == GUI_EXTERNAL_OSC)

  2752.         {

  2753.             if (osc.data.target)

  2754.             {

  2755.                 uint8_t midiData[4] = { 0 };

  2756.                 midiData[1] = MIDI_STATUS_NOTE_ON + channel;

  2757.                 midiData[2] = note;

  2758.                 midiData[3] = velo;

  2759.                 osc_send_midi(&osc.data, midiData);

  2760.             }

  2761.         }

  2762.         else

  2763. #endif

  2764.         {

  2765.             if (ui.handle && ui.descriptor && ui.descriptor->port_event)

  2766.             {

  2767.                 LV2_Atom_MidiEvent midiEv;

  2768.                 midiEv.event.time.frames = 0;

  2769.                 midiEv.event.body.type   = CARLA_URI_MAP_ID_MIDI_EVENT;

  2770.                 midiEv.event.body.size   = 3;

  2771.                 midiEv.data[0] = MIDI_STATUS_NOTE_OFF + channel;

  2772.                 midiEv.data[1] = note;

  2773.                 midiEv.data[2] = velo;

  2774. 

  2775.                 ui.descriptor->port_event(ui.handle, 0, 3, CARLA_URI_MAP_ID_ATOM_TRANSFER_ATOM, &midiEv);

  2776.             }

  2777.         }

  2778.     }

  2779. 

  2780.     void uiNoteOff(const uint8_t channel, const uint8_t note)

  2781.     {

  2782.         Q_ASSERT(channel < 16);

  2783.         Q_ASSERT(note < 128);

  2784. 

  2785. #ifndef BUILD_BRIDGE

  2786.         if (gui.type == GUI_EXTERNAL_OSC)

  2787.         {

  2788.             if (osc.data.target)

  2789.             {

  2790.                 uint8_t midiData[4] = { 0 };

  2791.                 midiData[1] = MIDI_STATUS_NOTE_OFF + channel;

  2792.                 midiData[2] = note;

  2793.                 osc_send_midi(&osc.data, midiData);

  2794.             }

  2795.         }

  2796.         else

  2797. #endif

  2798.         {

  2799.             if (ui.handle && ui.descriptor && ui.descriptor->port_event)

  2800.             {

  2801.                 LV2_Atom_MidiEvent midiEv;

  2802.                 midiEv.event.time.frames = 0;

  2803.                 midiEv.event.body.type   = CARLA_URI_MAP_ID_MIDI_EVENT;

  2804.                 midiEv.event.body.size   = 3;

  2805.                 midiEv.data[0] = MIDI_STATUS_NOTE_OFF + channel;

  2806.                 midiEv.data[1] = note;

  2807.                 midiEv.data[2] = 0;

  2808. 

  2809.                 ui.descriptor->port_event(ui.handle, 0, 3, CARLA_URI_MAP_ID_ATOM_TRANSFER_ATOM, &midiEv);

  2810.             }

  2811.         }

  2812.     }

  2813. 

  2814.     // -------------------------------------------------------------------

  2815.     // Cleanup

  2816. 

  2817.     void removeClientPorts()

  2818.     {

  2819.         qDebug("Lv2Plugin::removeClientPorts() - start");

  2820. 

  2821.         for (uint32_t i=0; i < evIn.count; i++)

  2822.         {

  2823.             if (evIn.data[i].port)

  2824.             {

  2825.                 delete evIn.data[i].port;

  2826.                 evIn.data[i].port = nullptr;

  2827.             }

  2828.         }

  2829. 

  2830.         for (uint32_t i=0; i < evOut.count; i++)

  2831.         {

  2832.             if (evOut.data[i].port)

  2833.             {

  2834.                 delete evOut.data[i].port;

  2835.                 evOut.data[i].port = nullptr;

  2836.             }

  2837.         }

  2838. 

  2839.         CarlaPlugin::removeClientPorts();

  2840. 

  2841.         qDebug("Lv2Plugin::removeClientPorts() - end");

  2842.     }

  2843. 

  2844.     void initBuffers()

  2845.     {

  2846.         uint32_t i;

  2847. 

  2848.         for (i=0; i < evIn.count; i++)

  2849.         {

  2850.             if (evIn.data[i].port)

  2851.                 evIn.data[i].port->initBuffer(x_engine);

  2852.         }

  2853. 

  2854.         for (uint32_t i=0; i < evOut.count; i++)

  2855.         {

  2856.             if (evOut.data[i].port)

  2857.                 evOut.data[i].port->initBuffer(x_engine);

  2858.         }

  2859. 

  2860.         CarlaPlugin::initBuffers();

  2861.     }

  2862. 

  2863.     void deleteBuffers()

  2864.     {

  2865.         qDebug("Lv2Plugin::deleteBuffers() - start");

  2866. 

  2867.         if (evIn.count > 0)

  2868.         {

  2869.             for (uint32_t i=0; i < evIn.count; i++)

  2870.             {

  2871.                 if (evIn.data[i].type & CARLA_EVENT_DATA_ATOM)

  2872.                 {

  2873.                     free(evIn.data[i].atom);

  2874.                 }

  2875.                 else if (evIn.data[i].type & CARLA_EVENT_DATA_EVENT)

  2876.                 {

  2877.                     free(evIn.data[i].event);

  2878.                 }

  2879.                 else if (evIn.data[i].type & CARLA_EVENT_DATA_MIDI_LL)

  2880.                 {

  2881.                     delete[] evIn.data[i].midi->data;

  2882.                     delete evIn.data[i].midi;

  2883.                 }

  2884.             }

  2885. 

  2886.             delete[] evIn.data;

  2887.         }

  2888. 

  2889.         if (evOut.count > 0)

  2890.         {

  2891.             for (uint32_t i=0; i < evOut.count; i++)

  2892.             {

  2893.                 if (evOut.data[i].type & CARLA_EVENT_DATA_ATOM)

  2894.                 {

  2895.                     free(evOut.data[i].atom);

  2896.                 }

  2897.                 else if (evOut.data[i].type & CARLA_EVENT_DATA_EVENT)

  2898.                 {

  2899.                     free(evOut.data[i].event);

  2900.                 }

  2901.                 else if (evOut.data[i].type & CARLA_EVENT_DATA_MIDI_LL)

  2902.                 {

  2903.                     delete[] evOut.data[i].midi->data;

  2904.                     delete evOut.data[i].midi;

  2905.                 }

  2906.             }

  2907. 

  2908.             delete[] evOut.data;

  2909.         }

  2910. 

  2911.         if (param.count > 0)

  2912.             delete[] paramBuffers;

  2913. 

  2914.         evIn.count = 0;

  2915.         evIn.data  = nullptr;

  2916. 

  2917.         evOut.count = 0;

  2918.         evOut.data  = nullptr;

  2919. 

  2920.         paramBuffers = nullptr;

  2921. 

  2922.         qDebug("Lv2Plugin::deleteBuffers() - end");

  2923.     }

  2924. 

  2925.     // -------------------------------------------------------------------

  2926. 

  2927.     uint32_t getCustomURID(const char* const uri)

  2928.     {

  2929.         qDebug("Lv2Plugin::getCustomURID(%s)", uri);

  2930.         Q_ASSERT(uri);

  2931. 

  2932.         if (! uri)

  2933.             return CARLA_URI_MAP_ID_NULL;

  2934. 

  2935.         for (size_t i=0; i < customURIDs.size(); i++)

  2936.         {

  2937.             if (customURIDs[i] && strcmp(customURIDs[i], uri) == 0)

  2938.                 return i;

  2939.         }

  2940. 

  2941.         customURIDs.push_back(strdup(uri));

  2942. 

  2943.         return customURIDs.size()-1;

  2944.     }

  2945. 

  2946.     const char* getCustomURIString(const LV2_URID urid) const

  2947.     {

  2948.         qDebug("Lv2Plugin::getCustomURIString(%i)", urid);

  2949.         Q_ASSERT(urid > CARLA_URI_MAP_ID_NULL);

  2950. 

  2951.         if (urid == CARLA_URI_MAP_ID_NULL)

  2952.             return nullptr;

  2953.         if (urid < customURIDs.size())

  2954.             return customURIDs[urid];

  2955. 

  2956.         return nullptr;

  2957.     }

  2958. 

  2959.     // -------------------------------------------------------------------

  2960. 

  2961.     void handleTransferAtom(const int32_t portIndex, const LV2_Atom* const atom)

  2962.     {

  2963.         qDebug("Lv2Plugin::handleTransferAtom(%i, %p)", portIndex, atom);

  2964.         Q_ASSERT(portIndex >= 0);

  2965.         Q_ASSERT(atom);

  2966. 

  2967.         atomQueueIn.put(portIndex, atom);

  2968.     }

  2969. 

  2970.     void handleTransferEvent(const int32_t portIndex, const LV2_Atom* const atom)

  2971.     {

  2972.         qDebug("Lv2Plugin::handleTransferEvent(%i, %p)", portIndex, atom);

  2973.         Q_ASSERT(portIndex >= 0);

  2974.         Q_ASSERT(atom);

  2975. 

  2976.         atomQueueIn.put(portIndex, atom);

  2977.     }

  2978. 

  2979.     // -------------------------------------------------------------------

  2980. 

  2981.     void handleProgramChanged(const int32_t index)

  2982.     {

  2983.         if (index == -1)

  2984.         {

  2985.             const CarlaPlugin::ScopedDisabler m(this);

  2986.             reloadPrograms(false);

  2987.         }

  2988.         else

  2989.         {

  2990.             if (index >= 0 && index < (int32_t)prog.count && ext.programs)

  2991.             {

  2992.                 const char* const progName = ext.programs->get_program(handle, index)->name;

  2993.                 Q_ASSERT(progName);

  2994. 

  2995.                 if (prog.names[index])

  2996.                     free((void*)prog.names[index]);

  2997. 

  2998.                 prog.names[index] = strdup(progName);

  2999.             }

  3000.         }

  3001. 

  3002.         x_engine->callback(CALLBACK_RELOAD_PROGRAMS, m_id, 0, 0, 0.0);

  3003.     }

  3004. 

  3005.     LV2_State_Status handleStateStore(const uint32_t key, const void* const value, const size_t size, const uint32_t type, const uint32_t flags)

  3006.     {

  3007.         Q_ASSERT(key > 0);

  3008.         Q_ASSERT(value);

  3009. 

  3010.         CustomDataType dtype;

  3011.         const char* const uriKey = getCustomURIString(key);

  3012. 

  3013.         if (type == CARLA_URI_MAP_ID_ATOM_CHUNK)

  3014.             dtype = CUSTOM_DATA_CHUNK;

  3015.         else if (type == CARLA_URI_MAP_ID_ATOM_PATH)

  3016.             dtype = CUSTOM_DATA_PATH;

  3017.         else if (type == CARLA_URI_MAP_ID_ATOM_STRING)

  3018.             dtype = CUSTOM_DATA_STRING;

  3019.         else if (type >= CARLA_URI_MAP_ID_COUNT)

  3020.             dtype = CUSTOM_DATA_BINARY;

  3021.         else

  3022.             dtype = CUSTOM_DATA_INVALID;

  3023. 

  3024.         // do basic checks

  3025.         if (! uriKey)

  3026.         {

  3027.             qWarning("Lv2Plugin::handleStateStore(%i, %p, " P_SIZE ", %i, %i) - invalid key", key, value, size, type, flags);

  3028.             return LV2_STATE_ERR_NO_PROPERTY;

  3029.         }

  3030. 

  3031.         if (! flags & LV2_STATE_IS_POD)

  3032.         {

  3033.             qWarning("Lv2Plugin::handleStateStore(%i, %p, " P_SIZE ", %i, %i) - invalid flags", key, value, size, type, flags);

  3034.             return LV2_STATE_ERR_BAD_FLAGS;

  3035.         }

  3036. 

  3037.         if (dtype == CUSTOM_DATA_INVALID)

  3038.         {

  3039.             qCritical("Lv2Plugin::handleStateStore(%i, %p, " P_SIZE ", %i, %i) - invalid type '%s'", key, value, size, type, flags, CustomDataType2str(dtype));

  3040.             return LV2_STATE_ERR_BAD_TYPE;

  3041.         }

  3042. 

  3043.         // Check if we already have this key

  3044.         for (size_t i=0; i < custom.size(); i++)

  3045.         {

  3046.             if (strcmp(custom[i].key, uriKey) == 0)

  3047.             {

  3048.                 free((void*)custom[i].value);

  3049. 

  3050.                 if (dtype == CUSTOM_DATA_STRING || dtype == CUSTOM_DATA_PATH)

  3051.                     custom[i].value = strdup((const char*)value);

  3052.                 else

  3053.                     custom[i].value = strdup(QByteArray((const char*)value, size).toBase64().constData());

  3054. 

  3055.                 return LV2_STATE_SUCCESS;

  3056.             }

  3057.         }

  3058. 

  3059.         // Otherwise store it

  3060.         CustomData newData;

  3061.         newData.type = dtype;

  3062.         newData.key  = strdup(uriKey);

  3063. 

  3064.         if (dtype == CUSTOM_DATA_STRING || dtype == CUSTOM_DATA_PATH)

  3065.             newData.value = strdup((const char*)value);

  3066.         else

  3067.             newData.value = strdup(QByteArray((const char*)value, size).toBase64().constData());

  3068. 

  3069.         custom.push_back(newData);

  3070. 

  3071.         return LV2_STATE_SUCCESS;

  3072.     }

  3073. 

  3074.     const void* handleStateRetrieve(const uint32_t key, size_t* const size, uint32_t* const type, uint32_t* const flags)

  3075.     {

  3076.         Q_ASSERT(key > CARLA_URI_MAP_ID_NULL);

  3077. 

  3078.         const char* const uriKey = getCustomURIString(key);

  3079. 

  3080.         if (! uriKey)

  3081.         {

  3082.             qCritical("Lv2Plugin::handleStateRetrieve(%i, %p, %p, %p) - failed to find key", key, size, type, flags);

  3083.             return nullptr;

  3084.         }

  3085. 

  3086.         const char* stringData = nullptr;

  3087.         CustomDataType dtype = CUSTOM_DATA_INVALID;

  3088. 

  3089.         for (size_t i=0; i < custom.size(); i++)

  3090.         {

  3091.             if (strcmp(custom[i].key, uriKey) == 0)

  3092.             {

  3093.                 dtype      = custom[i].type;

  3094.                 stringData = custom[i].value;

  3095.                 break;

  3096.             }

  3097.         }

  3098. 

  3099.         if (! stringData)

  3100.         {

  3101.             qCritical("Lv2Plugin::handleStateRetrieve(%i, %p, %p, %p) - invalid key '%s'", key, size, type, flags, uriKey);

  3102.             return nullptr;

  3103.         }

  3104. 

  3105.         *size  = 0;

  3106.         *type  = 0;

  3107.         *flags = LV2_STATE_IS_POD;

  3108. 

  3109.         if (dtype == CUSTOM_DATA_STRING)

  3110.         {

  3111.             *size = strlen(stringData);

  3112.             *type = CARLA_URI_MAP_ID_ATOM_STRING;

  3113.             return stringData;

  3114.         }

  3115.         if (dtype == CUSTOM_DATA_PATH)

  3116.         {

  3117.             *size = strlen(stringData);

  3118.             *type = CARLA_URI_MAP_ID_ATOM_PATH;

  3119.             return stringData;

  3120.         }

  3121.         if (dtype == CUSTOM_DATA_CHUNK || dtype == CUSTOM_DATA_BINARY)

  3122.         {

  3123.             static QByteArray chunk;

  3124.             chunk = QByteArray::fromBase64(stringData);

  3125. 

  3126.             *size = chunk.size();

  3127.             *type = (dtype == CUSTOM_DATA_CHUNK) ? CARLA_URI_MAP_ID_ATOM_CHUNK : key;

  3128.             return chunk.constData();

  3129.         }

  3130. 

  3131.         qCritical("Lv2Plugin::handleStateRetrieve(%i, %p, %p, %p) - invalid key type '%s'", key, size, type, flags, CustomDataType2str(dtype));

  3132.         return nullptr;

  3133.     }

  3134. 

  3135.     LV2_Worker_Status handleWorkerSchedule(const uint32_t size, const void* const data)

  3136.     {

  3137.         if (! ext.worker)

  3138.         {

  3139.             qWarning("Lv2Plugin::handleWorkerSchedule(%i, %p) - plugin has no worker", size, data);

  3140.             return LV2_WORKER_ERR_UNKNOWN;

  3141.         }

  3142. 

  3143.         if (x_engine->isOffline())

  3144.             ext.worker->work(handle, carla_lv2_worker_respond, this, size, data);

  3145.         else

  3146.             postponeEvent(PluginPostEventCustom, size, 0, 0.0, data);

  3147. 

  3148.         return LV2_WORKER_SUCCESS;

  3149.     }

  3150. 

  3151.     LV2_Worker_Status handleWorkerRespond(const uint32_t size, const void* const data)

  3152.     {

  3153.         LV2_Atom_Worker workerAtom;

  3154.         workerAtom.atom.type = CARLA_URI_MAP_ID_ATOM_WORKER;

  3155.         workerAtom.atom.size = sizeof(LV2_Atom_Worker_Body);

  3156.         workerAtom.body.size = size;

  3157.         workerAtom.body.data = data;

  3158. 

  3159.         atomQueueIn.put(0, (const LV2_Atom*)&workerAtom);

  3160. 

  3161.         return LV2_WORKER_SUCCESS;

  3162.     }

  3163. 

  3164.     void handleExternalUiClosed()

  3165.     {

  3166.         if (ui.handle && ui.descriptor && ui.descriptor->cleanup)

  3167.             ui.descriptor->cleanup(ui.handle);

  3168. 

  3169.         ui.handle = nullptr;

  3170.         x_engine->callback(CALLBACK_SHOW_GUI, m_id, 0, 0, 0.0);

  3171.     }

  3172. 

  3173.     uint32_t handleUiPortMap(const char* const symbol)

  3174.     {

  3175.         Q_ASSERT(symbol);

  3176. 

  3177.         if (! symbol)

  3178.             return LV2UI_INVALID_PORT_INDEX;

  3179. 

  3180.         for (uint32_t i=0; i < rdf_descriptor->PortCount; i++)

  3181.         {

  3182.             if (strcmp(rdf_descriptor->Ports[i].Symbol, symbol) == 0)

  3183.                 return i;

  3184.         }

  3185. 

  3186.         return LV2UI_INVALID_PORT_INDEX;

  3187.     }

  3188. 

  3189.     int handleUiResize(const int width, const int height)

  3190.     {

  3191.         Q_ASSERT(width > 0);

  3192.         Q_ASSERT(height > 0);

  3193. 

  3194.         if (width <= 0 || height <= 0)

  3195.             return 1;

  3196. 

  3197.         gui.width  = width;

  3198.         gui.height = height;

  3199.         x_engine->callback(CALLBACK_RESIZE_GUI, m_id, width, height, 0.0);

  3200. 

  3201.         return 0;

  3202.     }

  3203. 

  3204.     void handleUiWrite(const uint32_t rindex, const uint32_t bufferSize, const uint32_t format, const void* const buffer)

  3205.     {

  3206.         if (format == 0)

  3207.         {

  3208.             Q_ASSERT(buffer);

  3209.             Q_ASSERT(bufferSize == sizeof(float));

  3210. 

  3211.             if (bufferSize != sizeof(float))

  3212.                 return;

  3213. 

  3214.             float value = *(float*)buffer;

  3215. 

  3216.             for (uint32_t i=0; i < param.count; i++)

  3217.             {

  3218.                 if (param.data[i].rindex == (int32_t)rindex)

  3219.                     return setParameterValue(i, value, false, true, true);

  3220.             }

  3221.         }

  3222.         else if (format == CARLA_URI_MAP_ID_ATOM_TRANSFER_ATOM)

  3223.         {

  3224.             Q_ASSERT(buffer);

  3225. 

  3226.             const LV2_Atom* const atom = (const LV2_Atom*)buffer;

  3227.             handleTransferAtom(rindex, atom);

  3228.         }

  3229.         else if (format == CARLA_URI_MAP_ID_ATOM_TRANSFER_EVENT)

  3230.         {

  3231.             Q_ASSERT(buffer);

  3232. 

  3233.             const LV2_Atom* const atom = (const LV2_Atom*)buffer;

  3234.             handleTransferEvent(rindex, atom);

  3235.         }

  3236.     }

  3237. 

  3238.     // -------------------------------------------------------------------

  3239. 

  3240. #ifndef BUILD_BRIDGE

  3241.     bool isUiBridgeable(const uint32_t uiId)

  3242.     {

  3243.         Q_ASSERT(rdf_descriptor);

  3244.         Q_ASSERT(uiId < rdf_descriptor->UICount);

  3245. 

  3246.         if (uiId >= rdf_descriptor->UICount)

  3247.             return false;

  3248. 

  3249.         const LV2_RDF_UI* const rdf_ui = &rdf_descriptor->UIs[uiId];

  3250. 

  3251.         for (uint32_t i=0; i < rdf_ui->FeatureCount; i++)

  3252.         {

  3253.             if (strcmp(rdf_ui->Features[i].URI, LV2_INSTANCE_ACCESS_URI) == 0 || strcmp(rdf_ui->Features[i].URI, LV2_DATA_ACCESS_URI) == 0)

  3254.                 return false;

  3255.         }

  3256. 

  3257.         return true;

  3258.     }

  3259. #endif

  3260. 

  3261.     bool isUiResizable()

  3262.     {

  3263.         Q_ASSERT(ui.rdf_descriptor);

  3264. 

  3265.         if (! ui.rdf_descriptor)

  3266.             return false;

  3267. 

  3268.         for (uint32_t i=0; i < ui.rdf_descriptor->FeatureCount; i++)

  3269.         {

  3270.             if (strcmp(ui.rdf_descriptor->Features[i].URI, LV2_UI__fixedSize) == 0 || strcmp(ui.rdf_descriptor->Features[i].URI, LV2_UI__noUserResize) == 0)

  3271.                 return false;

  3272.         }

  3273. 

  3274.         return true;

  3275.     }

  3276. 

  3277.     void initExternalUi()

  3278.     {

  3279.         qDebug("Lv2Plugin::initExternalUi()");

  3280. 

  3281.         ui.widget = nullptr;

  3282.         ui.handle = ui.descriptor->instantiate(ui.descriptor, descriptor->URI, ui.rdf_descriptor->Bundle, carla_lv2_ui_write_function, this, &ui.widget, features);

  3283. 

  3284.         if (ui.handle && ui.widget)

  3285.         {

  3286.             updateUi();

  3287.         }

  3288.         else

  3289.         {

  3290.             qWarning("Lv2Plugin::initExternalUi() - failed to instantiate UI");

  3291.             ui.handle = nullptr;

  3292.             ui.widget = nullptr;

  3293.             x_engine->callback(CALLBACK_SHOW_GUI, m_id, -1, 0, 0.0);

  3294.         }

  3295.     }

  3296. 

  3297.     void uiTransferCustomData(const CustomData* const cdata)

  3298.     {

  3299.         if (cdata->type == CUSTOM_DATA_INVALID || ! (ui.handle && ui.descriptor && ui.descriptor->port_event))

  3300.             return;

  3301. 

  3302.         LV2_URID_Map* const URID_Map = (LV2_URID_Map*)features[lv2_feature_id_urid_map]->data;

  3303.         const LV2_URID uridPatchSet  = getCustomURID(LV2_PATCH__Set);

  3304.         const LV2_URID uridPatchBody = getCustomURID(LV2_PATCH__body);

  3305. 

  3306.         Sratom* const sratom = sratom_new(URID_Map);

  3307.         SerdChunk     chunk  = { nullptr, 0 };

  3308. 

  3309.         LV2_Atom_Forge forge;

  3310.         lv2_atom_forge_init(&forge, URID_Map);

  3311.         lv2_atom_forge_set_sink(&forge, sratom_forge_sink, sratom_forge_deref, &chunk);

  3312. 

  3313.         LV2_Atom_Forge_Frame refFrame, bodyFrame;

  3314.         LV2_Atom_Forge_Ref   ref = lv2_atom_forge_blank(&forge, &refFrame, 1, uridPatchSet);

  3315. 

  3316.         lv2_atom_forge_property_head(&forge, uridPatchBody, CARLA_URI_MAP_ID_NULL);

  3317.         lv2_atom_forge_blank(&forge, &bodyFrame, 2, CARLA_URI_MAP_ID_NULL);

  3318. 

  3319.         lv2_atom_forge_property_head(&forge, getCustomURID(cdata->key), CARLA_URI_MAP_ID_NULL);

  3320. 

  3321.         if (cdata->type == CUSTOM_DATA_STRING)

  3322.             lv2_atom_forge_string(&forge, cdata->value, strlen(cdata->value));

  3323.         else if (cdata->type == CUSTOM_DATA_PATH)

  3324.             lv2_atom_forge_path(&forge, cdata->value, strlen(cdata->value));

  3325.         else if (cdata->type == CUSTOM_DATA_CHUNK)

  3326.             lv2_atom_forge_literal(&forge, cdata->value, strlen(cdata->value), CARLA_URI_MAP_ID_ATOM_CHUNK, CARLA_URI_MAP_ID_NULL);

  3327.         else

  3328.             lv2_atom_forge_literal(&forge, cdata->value, strlen(cdata->value), getCustomURID(cdata->key), CARLA_URI_MAP_ID_NULL);

  3329. 

  3330.         lv2_atom_forge_pop(&forge, &bodyFrame);

  3331.         lv2_atom_forge_pop(&forge, &refFrame);

  3332. 

  3333.         uint32_t portIndex = evIn.count > 0 ? evIn.data[0].rindex : 0;

  3334. 

  3335.         const LV2_Atom* const atom = lv2_atom_forge_deref(&forge, ref);

  3336.         ui.descriptor->port_event(ui.handle, portIndex, atom->size, CARLA_URI_MAP_ID_ATOM_TRANSFER_EVENT, atom);

  3337. 

  3338.         free((void*)chunk.buf);

  3339.         sratom_free(sratom);

  3340.     }

  3341. 

  3342.     void updateUi()

  3343.     {

  3344.         ext.uiprograms = nullptr;

  3345. 

  3346.         if (ui.handle && ui.descriptor)

  3347.         {

  3348.             if (ui.descriptor->extension_data)

  3349.             {

  3350.                 ext.uiprograms = (const LV2_Programs_UI_Interface*)ui.descriptor->extension_data(LV2_PROGRAMS__UIInterface);

  3351. 

  3352.                 if (ext.uiprograms && ! ext.uiprograms->select_program)

  3353.                     // invalid

  3354.                     ext.uiprograms = nullptr;

  3355. 

  3356.                 if (ext.uiprograms && midiprog.count > 0 && midiprog.current >= 0)

  3357.                     ext.uiprograms->select_program(ui.handle, midiprog.data[midiprog.current].bank, midiprog.data[midiprog.current].program);

  3358.             }

  3359. 

  3360.             if (ui.descriptor->port_event)

  3361.             {

  3362.                 // update control ports

  3363.                 float valueF;

  3364.                 for (uint32_t i=0; i < param.count; i++)

  3365.                 {

  3366.                     valueF = getParameterValue(i);

  3367.                     ui.descriptor->port_event(ui.handle, param.data[i].rindex, sizeof(float), CARLA_URI_MAP_ID_NULL, &valueF);

  3368.                 }

  3369.             }

  3370.         }

  3371.     }

  3372. 

  3373.     // ----------------- Event Feature ---------------------------------------------------

  3374. 

  3375.     static uint32_t carla_lv2_event_ref(const LV2_Event_Callback_Data callback_data, LV2_Event* const event)

  3376.     {

  3377.         qDebug("Lv2Plugin::carla_lv2_event_ref(%p, %p)", callback_data, event);

  3378.         Q_ASSERT(callback_data);

  3379.         Q_ASSERT(event);

  3380. 

  3381.         return 0;

  3382.     }

  3383. 

  3384.     static uint32_t carla_lv2_event_unref(const LV2_Event_Callback_Data callback_data, LV2_Event* const event)

  3385.     {

  3386.         qDebug("Lv2Plugin::carla_lv2_event_unref(%p, %p)", callback_data, event);

  3387.         Q_ASSERT(callback_data);

  3388.         Q_ASSERT(event);

  3389. 

  3390.         return 0;

  3391.     }

  3392. 

  3393.     // ----------------- Logs Feature ----------------------------------------------------

  3394. 

  3395.     static int carla_lv2_log_printf(const LV2_Log_Handle handle, const LV2_URID type, const char* const fmt, ...)

  3396.     {

  3397.         qDebug("Lv2Plugin::carla_lv2_log_printf(%p, %i, \"%s\", ...)", handle, type, fmt);

  3398.         Q_ASSERT(handle);

  3399.         Q_ASSERT(type > 0);

  3400. 

  3401. #ifndef DEBUG

  3402.         if (type == CARLA_URI_MAP_ID_LOG_TRACE)

  3403.             return 0;

  3404. #endif

  3405. 

  3406.         va_list args;

  3407.         va_start(args, fmt);

  3408.         const int ret = carla_lv2_log_vprintf(handle, type, fmt, args);

  3409.         va_end(args);

  3410. 

  3411.         return ret;

  3412.     }

  3413. 

  3414.     static int carla_lv2_log_vprintf(const LV2_Log_Handle handle, const LV2_URID type, const char* const fmt, va_list ap)

  3415.     {

  3416.         qDebug("Lv2Plugin::carla_lv2_log_vprintf(%p, %i, \"%s\", ...)", handle, type, fmt);

  3417.         Q_ASSERT(handle);

  3418.         Q_ASSERT(type > 0);

  3419. 

  3420. #ifndef DEBUG

  3421.         if (type == CARLA_URI_MAP_ID_LOG_TRACE)

  3422.             return 0;

  3423. #endif

  3424. 

  3425.         char buf[8196];

  3426.         vsprintf(buf, fmt, ap);

  3427. 

  3428.         if (*buf == 0)

  3429.             return 0;

  3430. 

  3431.         switch (type)

  3432.         {

  3433.         case CARLA_URI_MAP_ID_LOG_ERROR:

  3434.             qCritical("%s", buf);

  3435.             break;

  3436.         case CARLA_URI_MAP_ID_LOG_NOTE:

  3437.             printf("%s\n", buf);

  3438.             break;

  3439.         case CARLA_URI_MAP_ID_LOG_TRACE:

  3440.             qDebug("%s", buf);

  3441.             break;

  3442.         case CARLA_URI_MAP_ID_LOG_WARNING:

  3443.             qWarning("%s", buf);

  3444.             break;

  3445.         default:

  3446.             break;

  3447.         }

  3448. 

  3449.         return strlen(buf);

  3450.     }

  3451. 

  3452.     // ----------------- Programs Feature ------------------------------------------------

  3453. 

  3454.     static void carla_lv2_program_changed(const LV2_Programs_Handle handle, const int32_t index)

  3455.     {

  3456.         qDebug("Lv2Plugin::carla_lv2_program_changed(%p, %i)", handle, index);

  3457.         Q_ASSERT(handle);

  3458. 

  3459.         if (! handle)

  3460.             return;

  3461. 

  3462.         Lv2Plugin* const plugin = (Lv2Plugin*)handle;

  3463.         plugin->handleProgramChanged(index);

  3464.     }

  3465. 

  3466.     // ----------------- State Feature ---------------------------------------------------

  3467. 

  3468.     static char* carla_lv2_state_make_path(const LV2_State_Make_Path_Handle handle, const char* const path)

  3469.     {

  3470.         qDebug("Lv2Plugin::carla_lv2_state_make_path(%p, \"%s\")", handle, path);

  3471.         Q_ASSERT(handle);

  3472.         Q_ASSERT(path);

  3473. 

  3474.         if (! path)

  3475.             return nullptr;

  3476. 

  3477.         QDir dir;

  3478.         dir.mkpath(path);

  3479.         return strdup(path);

  3480.     }

  3481. 

  3482.     static char* carla_lv2_state_map_abstract_path(const LV2_State_Map_Path_Handle handle, const char* const absolute_path)

  3483.     {

  3484.         qDebug("Lv2Plugin::carla_lv2_state_map_abstract_path(%p, \"%s\")", handle, absolute_path);

  3485.         Q_ASSERT(handle);

  3486.         Q_ASSERT(absolute_path);

  3487. 

  3488.         if (! absolute_path)

  3489.             return nullptr;

  3490. 

  3491.         QDir dir(absolute_path);

  3492.         return strdup(dir.canonicalPath().toUtf8().constData());

  3493.     }

  3494. 

  3495.     static char* carla_lv2_state_map_absolute_path(const LV2_State_Map_Path_Handle handle, const char* const abstract_path)

  3496.     {

  3497.         qDebug("Lv2Plugin::carla_lv2_state_map_absolute_path(%p, \"%s\")", handle, abstract_path);

  3498.         Q_ASSERT(handle);

  3499.         Q_ASSERT(abstract_path);

  3500. 

  3501.         if (! abstract_path)

  3502.             return nullptr;

  3503. 

  3504.         QDir dir(abstract_path);

  3505.         return strdup(dir.absolutePath().toUtf8().constData());

  3506.     }

  3507. 

  3508.     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)

  3509.     {

  3510.         qDebug("Lv2Plugin::carla_lv2_state_store(%p, %i, %p, " P_SIZE ", %i, %i)", handle, key, value, size, type, flags);

  3511.         Q_ASSERT(handle);

  3512. 

  3513.         if (! handle)

  3514.             return LV2_STATE_ERR_UNKNOWN;

  3515. 

  3516.         Lv2Plugin* const plugin = (Lv2Plugin*)handle;

  3517.         return plugin->handleStateStore(key, value, size, type, flags);

  3518.     }

  3519. 

  3520.     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)

  3521.     {

  3522.         qDebug("Lv2Plugin::carla_lv2_state_retrieve(%p, %i, %p, %p, %p)", handle, key, size, type, flags);

  3523.         Q_ASSERT(handle);

  3524. 

  3525.         if (! handle)

  3526.             return nullptr;

  3527. 

  3528.         Lv2Plugin* const plugin = (Lv2Plugin*)handle;

  3529.         return plugin->handleStateRetrieve(key, size, type, flags);

  3530.     }

  3531. 

  3532.     // ----------------- URI-Map Feature -------------------------------------------------

  3533. 

  3534.     static uint32_t carla_lv2_uri_to_id(const LV2_URI_Map_Callback_Data data, const char* const map, const char* const uri)

  3535.     {

  3536.         qDebug("Lv2Plugin::carla_lv2_uri_to_id(%p, \"%s\", \"%s\")", data, map, uri);

  3537.         return carla_lv2_urid_map((LV2_URID_Map_Handle*)data, uri);

  3538.     }

  3539. 

  3540.     // ----------------- URID Feature ----------------------------------------------------

  3541. 

  3542.     static LV2_URID carla_lv2_urid_map(const LV2_URID_Map_Handle handle, const char* const uri)

  3543.     {

  3544.         qDebug("Lv2Plugin::carla_lv2_urid_map(%p, \"%s\")", handle, uri);

  3545.         Q_ASSERT(handle);

  3546.         Q_ASSERT(uri);

  3547. 

  3548.         if (! uri)

  3549.             return CARLA_URI_MAP_ID_NULL;

  3550. 

  3551.         // Atom types

  3552.         if (strcmp(uri, LV2_ATOM__Chunk) == 0)

  3553.             return CARLA_URI_MAP_ID_ATOM_CHUNK;

  3554.         if (strcmp(uri, LV2_ATOM__Double) == 0)

  3555.             return CARLA_URI_MAP_ID_ATOM_DOUBLE;

  3556.         if (strcmp(uri, LV2_ATOM__Int) == 0)

  3557.             return CARLA_URI_MAP_ID_ATOM_INT;

  3558.         if (strcmp(uri, LV2_ATOM__Path) == 0)

  3559.             return CARLA_URI_MAP_ID_ATOM_PATH;

  3560.         if (strcmp(uri, LV2_ATOM__Sequence) == 0)

  3561.             return CARLA_URI_MAP_ID_ATOM_SEQUENCE;

  3562.         if (strcmp(uri, LV2_ATOM__String) == 0)

  3563.             return CARLA_URI_MAP_ID_ATOM_STRING;

  3564.         if (strcmp(uri, LV2_ATOM__atomTransfer) == 0)

  3565.             return CARLA_URI_MAP_ID_ATOM_TRANSFER_ATOM;

  3566.         if (strcmp(uri, LV2_ATOM__eventTransfer) == 0)

  3567.             return CARLA_URI_MAP_ID_ATOM_TRANSFER_EVENT;

  3568. 

  3569.         // BufSize types

  3570.         if (strcmp(uri, LV2_BUF_SIZE__maxBlockLength) == 0)

  3571.             return CARLA_URI_MAP_ID_BUF_MAX_LENGTH;

  3572.         if (strcmp(uri, LV2_BUF_SIZE__minBlockLength) == 0)

  3573.             return CARLA_URI_MAP_ID_BUF_MIN_LENGTH;

  3574.         if (strcmp(uri, LV2_BUF_SIZE__sequenceSize) == 0)

  3575.             return CARLA_URI_MAP_ID_BUF_SEQUENCE_SIZE;

  3576. 

  3577.         // Log types

  3578.         if (strcmp(uri, LV2_LOG__Error) == 0)

  3579.             return CARLA_URI_MAP_ID_LOG_ERROR;

  3580.         if (strcmp(uri, LV2_LOG__Note) == 0)

  3581.             return CARLA_URI_MAP_ID_LOG_NOTE;

  3582.         if (strcmp(uri, LV2_LOG__Trace) == 0)

  3583.             return CARLA_URI_MAP_ID_LOG_TRACE;

  3584.         if (strcmp(uri, LV2_LOG__Warning) == 0)

  3585.             return CARLA_URI_MAP_ID_LOG_WARNING;

  3586. 

  3587.         // Others

  3588.         if (strcmp(uri, LV2_MIDI__MidiEvent) == 0)

  3589.             return CARLA_URI_MAP_ID_MIDI_EVENT;

  3590.         if (strcmp(uri, LV2_PARAMETERS__sampleRate) == 0)

  3591.             return CARLA_URI_MAP_ID_PARAM_SAMPLE_RATE;

  3592. 

  3593.         if (! handle)

  3594.             return CARLA_URI_MAP_ID_NULL;

  3595. 

  3596.         // Custom types

  3597.         Lv2Plugin* const plugin = (Lv2Plugin*)handle;

  3598.         return plugin->getCustomURID(uri);

  3599.     }

  3600. 

  3601.     static const char* carla_lv2_urid_unmap(const LV2_URID_Map_Handle handle, const LV2_URID urid)

  3602.     {

  3603.         qDebug("Lv2Plugin::carla_lv2_urid_unmap(%p, %i)", handle, urid);

  3604.         Q_ASSERT(handle);

  3605.         Q_ASSERT(urid > CARLA_URI_MAP_ID_NULL);

  3606. 

  3607.         if (urid == CARLA_URI_MAP_ID_NULL)

  3608.             return nullptr;

  3609. 

  3610.         // Atom types

  3611.         if (urid == CARLA_URI_MAP_ID_ATOM_CHUNK)

  3612.             return LV2_ATOM__Chunk;

  3613.         if (urid == CARLA_URI_MAP_ID_ATOM_DOUBLE)

  3614.             return LV2_ATOM__Double;

  3615.         if (urid == CARLA_URI_MAP_ID_ATOM_INT)

  3616.             return LV2_ATOM__Int;

  3617.         if (urid == CARLA_URI_MAP_ID_ATOM_PATH)

  3618.             return LV2_ATOM__Path;

  3619.         if (urid == CARLA_URI_MAP_ID_ATOM_SEQUENCE)

  3620.             return LV2_ATOM__Sequence;

  3621.         if (urid == CARLA_URI_MAP_ID_ATOM_STRING)

  3622.             return LV2_ATOM__String;

  3623.         if (urid == CARLA_URI_MAP_ID_ATOM_WORKER)

  3624.             return nullptr; // not a valid URID, only used internally

  3625.         if (urid == CARLA_URI_MAP_ID_ATOM_TRANSFER_ATOM)

  3626.             return LV2_ATOM__atomTransfer;

  3627.         if (urid == CARLA_URI_MAP_ID_ATOM_TRANSFER_EVENT)

  3628.             return LV2_ATOM__eventTransfer;

  3629. 

  3630.         // BufSize types

  3631.         if (urid == CARLA_URI_MAP_ID_BUF_MAX_LENGTH)

  3632.             return LV2_BUF_SIZE__maxBlockLength;

  3633.         if (urid == CARLA_URI_MAP_ID_BUF_MIN_LENGTH)

  3634.             return LV2_BUF_SIZE__minBlockLength;

  3635.         if (urid == CARLA_URI_MAP_ID_BUF_SEQUENCE_SIZE)

  3636.             return LV2_BUF_SIZE__sequenceSize;

  3637. 

  3638.         // Log types

  3639.         if (urid == CARLA_URI_MAP_ID_LOG_ERROR)

  3640.             return LV2_LOG__Error;

  3641.         if (urid == CARLA_URI_MAP_ID_LOG_NOTE)

  3642.             return LV2_LOG__Note;

  3643.         if (urid == CARLA_URI_MAP_ID_LOG_TRACE)

  3644.             return LV2_LOG__Trace;

  3645.         if (urid == CARLA_URI_MAP_ID_LOG_WARNING)

  3646.             return LV2_LOG__Warning;

  3647. 

  3648.         // Others

  3649.         if (urid == CARLA_URI_MAP_ID_MIDI_EVENT)

  3650.             return LV2_MIDI__MidiEvent;

  3651.         if (urid == CARLA_URI_MAP_ID_PARAM_SAMPLE_RATE)

  3652.             return LV2_PARAMETERS__sampleRate;

  3653. 

  3654.         if (! handle)

  3655.             return nullptr;

  3656. 

  3657.         // Custom types

  3658.         Lv2Plugin* const plugin = (Lv2Plugin*)handle;

  3659.         return plugin->getCustomURIString(urid);

  3660.     }

  3661. 

  3662.     // ----------------- Worker Feature --------------------------------------------------

  3663. 

  3664.     static LV2_Worker_Status carla_lv2_worker_schedule(const LV2_Worker_Schedule_Handle handle, const uint32_t size, const void* const data)

  3665.     {

  3666.         qDebug("Lv2Plugin::carla_lv2_worker_schedule(%p, %i, %p)", handle, size, data);

  3667.         Q_ASSERT(handle);

  3668. 

  3669.         if (! handle)

  3670.             return LV2_WORKER_ERR_UNKNOWN;

  3671. 

  3672.         Lv2Plugin* const plugin = (Lv2Plugin*)handle;

  3673.         return plugin->handleWorkerSchedule(size, data);

  3674.     }

  3675. 

  3676.     static LV2_Worker_Status carla_lv2_worker_respond(const LV2_Worker_Respond_Handle handle, const uint32_t size, const void* const data)

  3677.     {

  3678.         qDebug("Lv2Plugin::carla_lv2_worker_respond(%p, %i, %p)", handle, size, data);

  3679.         Q_ASSERT(handle);

  3680. 

  3681.         if (! handle)

  3682.             return LV2_WORKER_ERR_UNKNOWN;

  3683. 

  3684.         Lv2Plugin* const plugin = (Lv2Plugin*)handle;

  3685.         return plugin->handleWorkerRespond(size, data);

  3686.     }

  3687. 

  3688.     // ----------------- UI Port-Map Feature ---------------------------------------------

  3689. 

  3690.     static uint32_t carla_lv2_ui_port_map(const LV2UI_Feature_Handle handle, const char* const symbol)

  3691.     {

  3692.         qDebug("Lv2Plugin::carla_lv2_ui_port_map(%p, \"%s\")", handle, symbol);

  3693.         Q_ASSERT(handle);

  3694. 

  3695.         if (! handle)

  3696.             return LV2UI_INVALID_PORT_INDEX;

  3697. 

  3698.         Lv2Plugin* const plugin = (Lv2Plugin*)handle;

  3699.         return plugin->handleUiPortMap(symbol);

  3700.     }

  3701. 

  3702.     // ----------------- UI Resize Feature -----------------------------------------------

  3703. 

  3704.     static int carla_lv2_ui_resize(const LV2UI_Feature_Handle handle, const int width, const int height)

  3705.     {

  3706.         qDebug("Lv2Plugin::carla_lv2_ui_resize(%p, %i, %i)", handle, width, height);

  3707.         Q_ASSERT(handle);

  3708. 

  3709.         if (! handle)

  3710.             return 1;

  3711. 

  3712.         Lv2Plugin* const plugin = (Lv2Plugin*)handle;

  3713.         return plugin->handleUiResize(width, height);

  3714.     }

  3715. 

  3716.     // ----------------- External UI Feature ---------------------------------------------

  3717. 

  3718.     static void carla_lv2_external_ui_closed(const LV2UI_Controller controller)

  3719.     {

  3720.         qDebug("Lv2Plugin::carla_lv2_external_ui_closed(%p)", controller);

  3721.         Q_ASSERT(controller);

  3722. 

  3723.         if (! controller)

  3724.             return;

  3725. 

  3726.         Lv2Plugin* const plugin = (Lv2Plugin*)controller;

  3727.         plugin->handleExternalUiClosed();

  3728.     }

  3729. 

  3730.     // ----------------- UI Extension ----------------------------------------------------

  3731. 

  3732.     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)

  3733.     {

  3734.         qDebug("Lv2Plugin::carla_lv2_ui_write_function(%p, %i, %i, %i, %p)", controller, port_index, buffer_size, format, buffer);

  3735.         Q_ASSERT(controller);

  3736. 

  3737.         if (! controller)

  3738.             return;

  3739. 

  3740.         Lv2Plugin* const plugin = (Lv2Plugin*)controller;

  3741.         plugin->handleUiWrite(port_index, buffer_size, format, buffer);

  3742.     }

  3743. 

  3744.     // -------------------------------------------------------------------

  3745. 

  3746.     bool uiLibOpen(const char* const filename)

  3747.     {

  3748.         ui.lib = lib_open(filename);

  3749.         return bool(ui.lib);

  3750.     }

  3751. 

  3752.     bool uiLibClose()

  3753.     {

  3754.         if (ui.lib)

  3755.             return lib_close(ui.lib);

  3756.         return false;

  3757.     }

  3758. 

  3759.     void* uiLibSymbol(const char* const symbol)

  3760.     {

  3761.         if (ui.lib)

  3762.             return lib_symbol(ui.lib, symbol);

  3763.         return nullptr;

  3764.     }

  3765. 

  3766.     // -------------------------------------------------------------------

  3767. 

  3768.     bool init(const char* const bundle, const char* const name, const char* const URI)

  3769.     {

  3770.         // ---------------------------------------------------------------

  3771.         // get plugin from lv2_rdf (lilv)

  3772. 

  3773.         rdf_descriptor = lv2_rdf_new(URI);

  3774. 

  3775.         if (! rdf_descriptor)

  3776.         {

  3777.             setLastError("Failed to find the requested plugin in the LV2 Bundle");

  3778.             return false;

  3779.         }

  3780. 

  3781.         // ---------------------------------------------------------------

  3782.         // open DLL

  3783. 

  3784.         if (! libOpen(rdf_descriptor->Binary))

  3785.         {

  3786.             setLastError(libError(rdf_descriptor->Binary));

  3787.             return false;

  3788.         }

  3789. 

  3790.         // ---------------------------------------------------------------

  3791.         // get DLL main entry

  3792. 

  3793.         const LV2_Descriptor_Function descFn = (LV2_Descriptor_Function)libSymbol("lv2_descriptor");

  3794. 

  3795.         if (! descFn)

  3796.         {

  3797.             setLastError("Could not find the LV2 Descriptor in the plugin library");

  3798.             return false;

  3799.         }

  3800. 

  3801.         // ---------------------------------------------------------------

  3802.         // get descriptor that matches URI

  3803. 

  3804.         uint32_t i = 0;

  3805.         while ((descriptor = descFn(i++)))

  3806.         {

  3807.             if (strcmp(descriptor->URI, URI) == 0)

  3808.                 break;

  3809.         }

  3810. 

  3811.         if (! descriptor)

  3812.         {

  3813.             setLastError("Could not find the requested plugin URI in the plugin library");

  3814.             return false;

  3815.         }

  3816. 

  3817.         // ---------------------------------------------------------------

  3818.         // check supported port-types and features

  3819. 

  3820.         bool canContinue = true;

  3821. 

  3822.         // Check supported ports

  3823.         for (i=0; i < rdf_descriptor->PortCount; i++)

  3824.         {

  3825.             LV2_Property PortType = rdf_descriptor->Ports[i].Type;

  3826.             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)))

  3827.             {

  3828.                 if (! LV2_IS_PORT_OPTIONAL(rdf_descriptor->Ports[i].Properties))

  3829.                 {

  3830.                     setLastError("Plugin requires a port that is not currently supported");

  3831.                     canContinue = false;

  3832.                     break;

  3833.                 }

  3834.             }

  3835.         }

  3836. 

  3837.         // Check supported features

  3838.         for (i=0; i < rdf_descriptor->FeatureCount && canContinue; i++)

  3839.         {

  3840.             if (LV2_IS_FEATURE_REQUIRED(rdf_descriptor->Features[i].Type) && ! is_lv2_feature_supported(rdf_descriptor->Features[i].URI))

  3841.             {

  3842.                 QString msg = QString("Plugin requires a feature that is not supported:\n%1").arg(rdf_descriptor->Features[i].URI);

  3843.                 setLastError(msg.toUtf8().constData());

  3844.                 canContinue = false;

  3845.                 break;

  3846.             }

  3847.         }

  3848. 

  3849.         // Check extensions

  3850.         for (i=0; i < rdf_descriptor->ExtensionCount; i++)

  3851.         {

  3852.             if (strcmp(rdf_descriptor->Extensions[i], LV2_PROGRAMS__Interface) == 0)

  3853.                 m_hints |= PLUGIN_HAS_EXTENSION_PROGRAMS;

  3854.             else if (strcmp(rdf_descriptor->Extensions[i], LV2_STATE__interface) == 0)

  3855.                 m_hints |= PLUGIN_HAS_EXTENSION_STATE;

  3856.             else if (strcmp(rdf_descriptor->Extensions[i], LV2_WORKER__interface) == 0)

  3857.                 m_hints |= PLUGIN_HAS_EXTENSION_WORKER;

  3858.             else

  3859.                 qDebug("Plugin has non-supported extension: '%s'", rdf_descriptor->Extensions[i]);

  3860.         }

  3861. 

  3862.         if (! canContinue)

  3863.         {

  3864.             // error already set

  3865.             return false;

  3866.         }

  3867. 

  3868.         // ---------------------------------------------------------------

  3869.         // initialize features

  3870. 

  3871.         LV2_Event_Feature* const eventFt = new LV2_Event_Feature;

  3872.         eventFt->callback_data           = this;

  3873.         eventFt->lv2_event_ref           = carla_lv2_event_ref;

  3874.         eventFt->lv2_event_unref         = carla_lv2_event_unref;

  3875. 

  3876.         LV2_Log_Log* const logFt         = new LV2_Log_Log;

  3877.         logFt->handle                    = this;

  3878.         logFt->printf                    = carla_lv2_log_printf;

  3879.         logFt->vprintf                   = carla_lv2_log_vprintf;

  3880. 

  3881.         LV2_Programs_Host* const programsFt        = new LV2_Programs_Host;

  3882.         programsFt->handle                         = this;

  3883.         programsFt->program_changed                = carla_lv2_program_changed;

  3884. 

  3885.         LV2_RtMemPool_Pool* const rtMemPoolFt      = new LV2_RtMemPool_Pool;

  3886.         rtmempool_allocator_init(rtMemPoolFt);

  3887. 

  3888.         LV2_State_Make_Path* const stateMakePathFt = new LV2_State_Make_Path;

  3889.         stateMakePathFt->handle                    = this;

  3890.         stateMakePathFt->path                      = carla_lv2_state_make_path;

  3891. 

  3892.         LV2_State_Map_Path* const stateMapPathFt   = new LV2_State_Map_Path;

  3893.         stateMapPathFt->handle                     = this;

  3894.         stateMapPathFt->abstract_path              = carla_lv2_state_map_abstract_path;

  3895.         stateMapPathFt->absolute_path              = carla_lv2_state_map_absolute_path;

  3896. 

  3897.         LV2_URI_Map_Feature* const uriMapFt = new LV2_URI_Map_Feature;

  3898.         uriMapFt->callback_data             = this;

  3899.         uriMapFt->uri_to_id                 = carla_lv2_uri_to_id;

  3900. 

  3901.         LV2_URID_Map* const uridMapFt       = new LV2_URID_Map;

  3902.         uridMapFt->handle                   = this;

  3903.         uridMapFt->map                      = carla_lv2_urid_map;

  3904. 

  3905.         LV2_URID_Unmap* const uridUnmapFt   = new LV2_URID_Unmap;

  3906.         uridUnmapFt->handle                 = this;

  3907.         uridUnmapFt->unmap                  = carla_lv2_urid_unmap;

  3908. 

  3909.         LV2_Worker_Schedule* const workerFt = new LV2_Worker_Schedule;

  3910.         workerFt->handle                    = this;

  3911.         workerFt->schedule_work             = carla_lv2_worker_schedule;

  3912. 

  3913.         LV2_Options_Option* const optionsFt = new LV2_Options_Option [5];

  3914.         optionsFt[0] = lv2Options.oMaxBlockLenth;

  3915.         optionsFt[1] = lv2Options.oMinBlockLenth;

  3916.         optionsFt[2] = lv2Options.oSequenceSize;

  3917.         optionsFt[3] = lv2Options.oSampleRate;

  3918.         optionsFt[4] = lv2Options.oNull;

  3919. 

  3920.         features[lv2_feature_id_bufsize_bounded]       = new LV2_Feature;

  3921.         features[lv2_feature_id_bufsize_bounded]->URI  = LV2_BUF_SIZE__boundedBlockLength;

  3922.         features[lv2_feature_id_bufsize_bounded]->data = nullptr;

  3923. 

  3924. #ifndef BUILD_BRIDGE

  3925.         if (carlaOptions.processHighPrecision)

  3926.         {

  3927.             features[lv2_feature_id_bufsize_fixed]          = new LV2_Feature;

  3928.             features[lv2_feature_id_bufsize_fixed]->URI     = LV2_BUF_SIZE__fixedBlockLength;

  3929.             features[lv2_feature_id_bufsize_fixed]->data    = nullptr;

  3930. 

  3931.             features[lv2_feature_id_bufsize_powerof2]       = new LV2_Feature;

  3932.             features[lv2_feature_id_bufsize_powerof2]->URI  = LV2_BUF_SIZE__powerOf2BlockLength;

  3933.             features[lv2_feature_id_bufsize_powerof2]->data = nullptr;

  3934.         }

  3935.         else

  3936. #endif

  3937.         {

  3938.             // fake, used to keep a valid array

  3939.             features[lv2_feature_id_bufsize_fixed]    = features[lv2_feature_id_bufsize_bounded];

  3940.             features[lv2_feature_id_bufsize_powerof2] = features[lv2_feature_id_bufsize_bounded];

  3941.         }

  3942. 

  3943.         features[lv2_feature_id_event]          = new LV2_Feature;

  3944.         features[lv2_feature_id_event]->URI     = LV2_EVENT_URI;

  3945.         features[lv2_feature_id_event]->data    = eventFt;

  3946. 

  3947.         features[lv2_feature_id_logs]           = new LV2_Feature;

  3948.         features[lv2_feature_id_logs]->URI      = LV2_LOG__log;

  3949.         features[lv2_feature_id_logs]->data     = logFt;

  3950. 

  3951.         features[lv2_feature_id_options]        = new LV2_Feature;

  3952.         features[lv2_feature_id_options]->URI   = LV2_OPTIONS__options;

  3953.         features[lv2_feature_id_options]->data  = optionsFt;

  3954. 

  3955.         features[lv2_feature_id_programs]       = new LV2_Feature;

  3956.         features[lv2_feature_id_programs]->URI  = LV2_PROGRAMS__Host;

  3957.         features[lv2_feature_id_programs]->data = programsFt;

  3958. 

  3959.         features[lv2_feature_id_rtmempool]       = new LV2_Feature;

  3960.         features[lv2_feature_id_rtmempool]->URI  = LV2_RTSAFE_MEMORY_POOL__Pool;

  3961.         features[lv2_feature_id_rtmempool]->data = rtMemPoolFt;

  3962. 

  3963.         features[lv2_feature_id_state_make_path]       = new LV2_Feature;

  3964.         features[lv2_feature_id_state_make_path]->URI  = LV2_STATE__makePath;

  3965.         features[lv2_feature_id_state_make_path]->data = stateMakePathFt;

  3966. 

  3967.         features[lv2_feature_id_state_map_path]        = new LV2_Feature;

  3968.         features[lv2_feature_id_state_map_path]->URI   = LV2_STATE__mapPath;

  3969.         features[lv2_feature_id_state_map_path]->data  = stateMapPathFt;

  3970. 

  3971.         features[lv2_feature_id_strict_bounds]         = new LV2_Feature;

  3972.         features[lv2_feature_id_strict_bounds]->URI    = LV2_PORT_PROPS__supportsStrictBounds;

  3973.         features[lv2_feature_id_strict_bounds]->data   = nullptr;

  3974. 

  3975.         features[lv2_feature_id_uri_map]          = new LV2_Feature;

  3976.         features[lv2_feature_id_uri_map]->URI     = LV2_URI_MAP_URI;

  3977.         features[lv2_feature_id_uri_map]->data    = uriMapFt;

  3978. 

  3979.         features[lv2_feature_id_urid_map]         = new LV2_Feature;

  3980.         features[lv2_feature_id_urid_map]->URI    = LV2_URID__map;

  3981.         features[lv2_feature_id_urid_map]->data   = uridMapFt;

  3982. 

  3983.         features[lv2_feature_id_urid_unmap]       = new LV2_Feature;

  3984.         features[lv2_feature_id_urid_unmap]->URI  = LV2_URID__unmap;

  3985.         features[lv2_feature_id_urid_unmap]->data = uridUnmapFt;

  3986. 

  3987.         features[lv2_feature_id_worker]           = new LV2_Feature;

  3988.         features[lv2_feature_id_worker]->URI      = LV2_WORKER__schedule;

  3989.         features[lv2_feature_id_worker]->data     = workerFt;

  3990. 

  3991.         // ---------------------------------------------------------------

  3992.         // initialize plugin

  3993. 

  3994.         handle = descriptor->instantiate(descriptor, x_engine->getSampleRate(), rdf_descriptor->Bundle, features);

  3995. 

  3996.         if (! handle)

  3997.         {

  3998.             setLastError("Plugin failed to initialize");

  3999.             return false;

  4000.         }

  4001. 

  4002.         // ---------------------------------------------------------------

  4003.         // get info

  4004. 

  4005.         m_filename = strdup(bundle);

  4006. 

  4007.         if (name)

  4008.             m_name = x_engine->getUniqueName(name);

  4009.         else

  4010.             m_name = x_engine->getUniqueName(rdf_descriptor->Name);

  4011. 

  4012.         // ---------------------------------------------------------------

  4013.         // register client

  4014. 

  4015.         x_client = x_engine->addClient(this);

  4016. 

  4017.         if (! x_client->isOk())

  4018.         {

  4019.             setLastError("Failed to register plugin client");

  4020.             return false;

  4021.         }

  4022. 

  4023.         // ---------------------------------------------------------------

  4024.         // gui stuff

  4025. 

  4026.         if (rdf_descriptor->UICount == 0)

  4027.             return true;

  4028. 

  4029.         // -----------------------------------------------------------

  4030.         // find more appropriate ui

  4031. 

  4032.         int eQt4, eCocoa, eHWND, eX11, eGtk2, eGtk3, iCocoa, iHWND, iX11, iQt4, iExt, iSuil, iFinal;

  4033.         eQt4 = eCocoa = eHWND = eX11 = eGtk2 = eGtk3 = iQt4 = iCocoa = iHWND = iX11 = iExt = iSuil = iFinal = -1;

  4034. 

  4035.         for (i=0; i < rdf_descriptor->UICount; i++)

  4036.         {

  4037.             switch (rdf_descriptor->UIs[i].Type)

  4038.             {

  4039.             case LV2_UI_QT4:

  4040. #ifndef BUILD_BRIDGE

  4041.                 if (isUiBridgeable(i) && carlaOptions.preferUiBridges)

  4042.                     eQt4 = i;

  4043. #endif

  4044.                 iQt4 = i;

  4045.                 break;

  4046. 

  4047.             case LV2_UI_COCOA:

  4048. #ifndef BUILD_BRIDGE

  4049.                 if (isUiBridgeable(i) && carlaOptions.preferUiBridges)

  4050.                     eCocoa = i;

  4051. #endif

  4052.                 iCocoa = i;

  4053.                 break;

  4054. 

  4055.             case LV2_UI_WINDOWS:

  4056. #ifndef BUILD_BRIDGE

  4057.                 if (isUiBridgeable(i) && carlaOptions.preferUiBridges)

  4058.                     eHWND = i;

  4059. #endif

  4060.                 iHWND = i;

  4061.                 break;

  4062. 

  4063.             case LV2_UI_X11:

  4064. #ifndef BUILD_BRIDGE

  4065.                 if (isUiBridgeable(i) && carlaOptions.preferUiBridges)

  4066.                     eX11 = i;

  4067. #endif

  4068.                 iX11 = i;

  4069.                 break;

  4070. 

  4071.             case LV2_UI_GTK2:

  4072. #ifdef BUILD_BRIDGE

  4073.                 if (false)

  4074. #else

  4075. #  ifdef HAVE_SUIL

  4076.                 if (isUiBridgeable(i) && carlaOptions.preferUiBridges)

  4077. #  else

  4078.                 if (isUiBridgeable(i))

  4079. #  endif

  4080. #endif

  4081.                     eGtk2 = i;

  4082. #ifdef HAVE_SUIL

  4083.                 iSuil = i;

  4084. #endif

  4085.                 break;

  4086. 

  4087. #ifndef BUILD_BRIDGE

  4088.             case LV2_UI_GTK3:

  4089.                 if (isUiBridgeable(i))

  4090.                     eGtk3 = i;

  4091.                 break;

  4092. #endif

  4093. 

  4094.             case LV2_UI_EXTERNAL:

  4095.             case LV2_UI_OLD_EXTERNAL:

  4096.                 iExt = i;

  4097.                 break;

  4098. 

  4099.             default:

  4100.                 break;

  4101.             }

  4102.         }

  4103. 

  4104.         if (eQt4 >= 0)

  4105.             iFinal = eQt4;

  4106.         else if (eCocoa >= 0)

  4107.             iFinal = eCocoa;

  4108.         else if (eHWND >= 0)

  4109.             iFinal = eHWND;

  4110.         else if (eX11 >= 0)

  4111.             iFinal = eX11;

  4112.         else if (eGtk2 >= 0)

  4113.             iFinal = eGtk2;

  4114.         else if (eGtk3 >= 0)

  4115.             iFinal = eGtk3;

  4116.         else if (iQt4 >= 0)

  4117.             iFinal = iQt4;

  4118.         else if (iCocoa >= 0)

  4119.             iFinal = iCocoa;

  4120.         else if (iHWND >= 0)

  4121.             iFinal = iHWND;

  4122.         else if (iX11 >= 0)

  4123.             iFinal = iX11;

  4124.         else if (iExt >= 0)

  4125.             iFinal = iExt;

  4126.         else if (iSuil >= 0)

  4127.             iFinal = iSuil;

  4128. 

  4129. #ifndef BUILD_BRIDGE

  4130.         const bool isBridged = (iFinal == eQt4 || iFinal == eCocoa || iFinal == eHWND || iFinal == eX11 || iFinal == eGtk2 || iFinal == eGtk3);

  4131. #endif

  4132. #ifdef HAVE_SUIL

  4133.         const bool isSuil = (iFinal == iSuil && !isBridged);

  4134. #endif

  4135. 

  4136.         if (iFinal < 0)

  4137.         {

  4138.             qWarning("Failed to find an appropriate LV2 UI for this plugin");

  4139.             return true;

  4140.         }

  4141. 

  4142.         ui.rdf_descriptor = &rdf_descriptor->UIs[iFinal];

  4143. 

  4144.         // -----------------------------------------------------------

  4145.         // check supported ui features

  4146. 

  4147.         canContinue = true;

  4148. 

  4149.         for (i=0; i < ui.rdf_descriptor->FeatureCount; i++)

  4150.         {

  4151.             if (LV2_IS_FEATURE_REQUIRED(ui.rdf_descriptor->Features[i].Type) && is_lv2_ui_feature_supported(ui.rdf_descriptor->Features[i].URI) == false)

  4152.             {

  4153.                 qCritical("Plugin UI requires a feature that is not supported:\n%s", ui.rdf_descriptor->Features[i].URI);

  4154.                 canContinue = false;

  4155.                 break;

  4156.             }

  4157.         }

  4158. 

  4159.         if (! canContinue)

  4160.         {

  4161.             ui.rdf_descriptor = nullptr;

  4162.             return true;

  4163.         }

  4164. 

  4165. #ifdef HAVE_SUIL

  4166.         if (isSuil)

  4167.         {

  4168.             // -------------------------------------------------------

  4169.             // init suil host

  4170. 

  4171.             suil.host = suil_host_new(carla_lv2_ui_write_function, carla_lv2_ui_port_map, nullptr, nullptr);

  4172.         }

  4173.         else

  4174. #endif

  4175.         {

  4176.             // -------------------------------------------------------

  4177.             // open DLL

  4178. 

  4179.             if (! uiLibOpen(ui.rdf_descriptor->Binary))

  4180.             {

  4181.                 qCritical("Could not load UI library, error was:\n%s", libError(ui.rdf_descriptor->Binary));

  4182.                 ui.rdf_descriptor = nullptr;

  4183.                 return true;

  4184.             }

  4185. 

  4186.             // -------------------------------------------------------

  4187.             // get DLL main entry

  4188. 

  4189.             LV2UI_DescriptorFunction ui_descFn = (LV2UI_DescriptorFunction)uiLibSymbol("lv2ui_descriptor");

  4190. 

  4191.             if (! ui_descFn)

  4192.             {

  4193.                 qCritical("Could not find the LV2UI Descriptor in the UI library");

  4194.                 uiLibClose();

  4195.                 ui.lib = nullptr;

  4196.                 ui.rdf_descriptor = nullptr;

  4197.                 return true;

  4198.             }

  4199. 

  4200.             // -------------------------------------------------------

  4201.             // get descriptor that matches URI

  4202. 

  4203.             i = 0;

  4204.             while ((ui.descriptor = ui_descFn(i++)))

  4205.             {

  4206.                 if (strcmp(ui.descriptor->URI, ui.rdf_descriptor->URI) == 0)

  4207.                     break;

  4208.             }

  4209. 

  4210.             if (! ui.descriptor)

  4211.             {

  4212.                 qCritical("Could not find the requested GUI in the plugin UI library");

  4213.                 uiLibClose();

  4214.                 ui.lib = nullptr;

  4215.                 ui.rdf_descriptor = nullptr;

  4216.                 return true;

  4217.             }

  4218.         }

  4219. 

  4220.         // -----------------------------------------------------------

  4221.         // initialize ui according to type

  4222. 

  4223.         const LV2_Property uiType = ui.rdf_descriptor->Type;

  4224. 

  4225. #ifndef BUILD_BRIDGE

  4226.         if (isBridged)

  4227.         {

  4228.             // -------------------------------------------------------

  4229.             // initialize ui bridge

  4230. 

  4231.             if (const char* const oscBinary = lv2bridge2str(uiType))

  4232.             {

  4233.                 gui.type = GUI_EXTERNAL_OSC;

  4234.                 osc.thread = new CarlaPluginThread(x_engine, this, CarlaPluginThread::PLUGIN_THREAD_LV2_GUI);

  4235.                 osc.thread->setOscData(oscBinary, descriptor->URI, ui.descriptor->URI);

  4236.             }

  4237.         }

  4238.         else

  4239. #endif

  4240.         {

  4241.             // -------------------------------------------------------

  4242.             // initialize ui features

  4243. 

  4244.             QString guiTitle = QString("%1 (GUI)").arg(m_name);

  4245. 

  4246.             LV2_Extension_Data_Feature* const uiDataFt = new LV2_Extension_Data_Feature;

  4247.             uiDataFt->data_access                      = descriptor->extension_data;

  4248. 

  4249.             LV2UI_Port_Map* const uiPortMapFt = new LV2UI_Port_Map;

  4250.             uiPortMapFt->handle               = this;

  4251.             uiPortMapFt->port_index           = carla_lv2_ui_port_map;

  4252. 

  4253.             LV2UI_Resize* const uiResizeFt    = new LV2UI_Resize;

  4254.             uiResizeFt->handle                = this;

  4255.             uiResizeFt->ui_resize             = carla_lv2_ui_resize;

  4256. 

  4257.             LV2_External_UI_Host* const uiExternalHostFt = new LV2_External_UI_Host;

  4258.             uiExternalHostFt->ui_closed                  = carla_lv2_external_ui_closed;

  4259.             uiExternalHostFt->plugin_human_id            = strdup(guiTitle.toUtf8().constData());

  4260. 

  4261.             features[lv2_feature_id_data_access]           = new LV2_Feature;

  4262.             features[lv2_feature_id_data_access]->URI      = LV2_DATA_ACCESS_URI;

  4263.             features[lv2_feature_id_data_access]->data     = uiDataFt;

  4264. 

  4265.             features[lv2_feature_id_instance_access]       = new LV2_Feature;

  4266.             features[lv2_feature_id_instance_access]->URI  = LV2_INSTANCE_ACCESS_URI;

  4267.             features[lv2_feature_id_instance_access]->data = handle;

  4268. 

  4269.             features[lv2_feature_id_ui_parent]             = new LV2_Feature;

  4270.             features[lv2_feature_id_ui_parent]->URI        = LV2_UI__parent;

  4271.             features[lv2_feature_id_ui_parent]->data       = nullptr;

  4272. 

  4273.             features[lv2_feature_id_ui_port_map]           = new LV2_Feature;

  4274.             features[lv2_feature_id_ui_port_map]->URI      = LV2_UI__portMap;

  4275.             features[lv2_feature_id_ui_port_map]->data     = uiPortMapFt;

  4276. 

  4277.             features[lv2_feature_id_ui_resize]             = new LV2_Feature;

  4278.             features[lv2_feature_id_ui_resize]->URI        = LV2_UI__resize;

  4279.             features[lv2_feature_id_ui_resize]->data       = uiResizeFt;

  4280. 

  4281.             features[lv2_feature_id_external_ui]           = new LV2_Feature;

  4282.             features[lv2_feature_id_external_ui]->URI      = LV2_EXTERNAL_UI__Host;

  4283.             features[lv2_feature_id_external_ui]->data     = uiExternalHostFt;

  4284. 

  4285.             features[lv2_feature_id_external_ui_old]       = new LV2_Feature;

  4286.             features[lv2_feature_id_external_ui_old]->URI  = LV2_EXTERNAL_UI_DEPRECATED_URI;

  4287.             features[lv2_feature_id_external_ui_old]->data = uiExternalHostFt;

  4288. 

  4289.             // -------------------------------------------------------

  4290.             // initialize ui

  4291. 

  4292.             switch (uiType)

  4293.             {

  4294.             case LV2_UI_QT4:

  4295.                 qDebug("Will use LV2 Qt4 UI");

  4296.                 gui.type      = GUI_INTERNAL_QT4;

  4297.                 gui.resizable = isUiResizable();

  4298.                 ui.handle     = ui.descriptor->instantiate(ui.descriptor, descriptor->URI, ui.rdf_descriptor->Bundle, carla_lv2_ui_write_function, this, &ui.widget, features);

  4299.                 m_hints      |= PLUGIN_USES_SINGLE_THREAD;

  4300.                 break;

  4301. 

  4302.             case LV2_UI_COCOA:

  4303.                 qDebug("Will use LV2 Cocoa UI");

  4304.                 gui.type      = GUI_INTERNAL_COCOA;

  4305.                 gui.resizable = isUiResizable();

  4306.                 break;

  4307. 

  4308.             case LV2_UI_WINDOWS:

  4309.                 qDebug("Will use LV2 Windows UI");

  4310.                 gui.type      = GUI_INTERNAL_HWND;

  4311.                 gui.resizable = isUiResizable();

  4312.                 break;

  4313. 

  4314.             case LV2_UI_X11:

  4315.                 qDebug("Will use LV2 X11 UI");

  4316.                 gui.type      = GUI_INTERNAL_X11;

  4317.                 gui.resizable = isUiResizable();

  4318.                 break;

  4319. 

  4320.             case LV2_UI_GTK2:

  4321. #ifdef HAVE_SUIL

  4322.                 qDebug("Will use LV2 Gtk2 UI (suil)");

  4323.                 gui.type      = GUI_EXTERNAL_SUIL;

  4324.                 gui.resizable = isUiResizable();

  4325.                 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);

  4326.                 m_hints      |= PLUGIN_USES_SINGLE_THREAD;

  4327. 

  4328.                 if (suil.handle)

  4329.                 {

  4330.                     ui.handle     = ((SuilInstanceImpl*)suil.handle)->handle;

  4331.                     ui.descriptor = ((SuilInstanceImpl*)suil.handle)->descriptor;

  4332.                     ui.widget     = suil_instance_get_widget(suil.handle);

  4333. 

  4334.                     if (ui.widget)

  4335.                     {

  4336.                         QWidget* const widget = (QWidget*)ui.widget;

  4337.                         widget->setWindowTitle(guiTitle);

  4338.                     }

  4339.                 }

  4340. #else

  4341.                 qDebug("Will use LV2 Gtk2 UI, NOT!");

  4342. #endif

  4343.                 break;

  4344. 

  4345.             case LV2_UI_GTK3:

  4346.                 qDebug("Will use LV2 Gtk3 UI, NOT!");

  4347.                 break;

  4348. 

  4349.             case LV2_UI_EXTERNAL:

  4350.             case LV2_UI_OLD_EXTERNAL:

  4351.                 qDebug("Will use LV2 External UI");

  4352.                 gui.type = GUI_EXTERNAL_LV2;

  4353.                 break;

  4354.             }

  4355.         }

  4356. 

  4357.         if (gui.type != GUI_NONE)

  4358.             m_hints |= PLUGIN_HAS_GUI;

  4359. 

  4360.         return true;

  4361.     }

  4362. 

  4363. private:

  4364.     LV2_Handle handle, h2;

  4365.     const LV2_Descriptor* descriptor;

  4366.     const LV2_RDF_Descriptor* rdf_descriptor;

  4367.     LV2_Feature* features[lv2_feature_count+1];

  4368. 

  4369.     struct {

  4370.         const LV2_State_Interface* state;

  4371.         const LV2_Worker_Interface* worker;

  4372.         const LV2_Programs_Interface* programs;

  4373.         const LV2_Programs_UI_Interface* uiprograms;

  4374.     } ext;

  4375. 

  4376.     struct {

  4377.         void* lib;

  4378.         LV2UI_Handle handle;

  4379.         LV2UI_Widget widget;

  4380.         const LV2UI_Descriptor* descriptor;

  4381.         const LV2_RDF_UI* rdf_descriptor;

  4382.     } ui;

  4383. 

  4384.     struct {

  4385.         GuiType type;

  4386.         bool resizable;

  4387.         int width;

  4388.         int height;

  4389.     } gui;

  4390. 

  4391. #ifdef HAVE_SUIL

  4392.     struct {

  4393.         SuilHost* host;

  4394.         SuilInstance* handle;

  4395.         QByteArray pos;

  4396.     } suil;

  4397. #endif

  4398. 

  4399.     Lv2AtomQueue atomQueueIn;

  4400.     Lv2AtomQueue atomQueueOut;

  4401.     Lv2PluginEventData evIn;

  4402.     Lv2PluginEventData evOut;

  4403.     float* paramBuffers;

  4404.     std::vector<const char*> customURIDs;

  4405. 

  4406.     bool     lastTimePosPlaying;

  4407.     uint32_t lastTimePosFrame;

  4408. };

  4409. 

  4410. CarlaPlugin* CarlaPlugin::newLV2(const initializer& init)

  4411. {

  4412.     qDebug("CarlaPlugin::newLV2(%p, \"%s\", \"%s\", \"%s\")", init.engine, init.filename, init.name, init.label);

  4413. 

  4414.     short id = init.engine->getNewPluginId();

  4415. 

  4416.     if (id < 0 || id > CarlaEngine::maxPluginNumber())

  4417.     {

  4418.         setLastError("Maximum number of plugins reached");

  4419.         return nullptr;

  4420.     }

  4421. 

  4422.     Lv2Plugin* const plugin = new Lv2Plugin(init.engine, id);

  4423. 

  4424.     if (! plugin->init(init.filename, init.name, init.label))

  4425.     {

  4426.         delete plugin;

  4427.         return nullptr;

  4428.     }

  4429. 

  4430.     plugin->reload();

  4431. 

  4432. #ifndef BUILD_BRIDGE

  4433.     if (carlaOptions.processMode == PROCESS_MODE_CONTINUOUS_RACK)

  4434.     {

  4435.         const uint32_t ins  = plugin->audioInCount();

  4436.         const uint32_t outs = plugin->audioOutCount();

  4437. 

  4438.         if (ins > 2 || outs > 2 || (ins != outs && ins != 0 && outs != 0))

  4439.         {

  4440.             setLastError("Carla's rack mode can only work with Mono or Stereo LV2 plugins, sorry!");

  4441.             delete plugin;

  4442.             return nullptr;

  4443.         }

  4444.     }

  4445. #endif

  4446. 

  4447.     plugin->registerToOsc();

  4448.     plugin->updateUi();

  4449. 

  4450.     return plugin;

  4451. }

  4452. 

  4453. /**@}*/

  4454. 

  4455. // -------------------------------------------------------------------------------------------------------------------

  4456. 

  4457. int CarlaOsc::handle_lv2_atom_transfer(CARLA_OSC_HANDLE_ARGS2)

  4458. {

  4459.     qDebug("CarlaOsc::handle_lv2_atom_transfer()");

  4460.     CARLA_OSC_CHECK_OSC_TYPES(3, "iss");

  4461. 

  4462.     const int32_t portIndex   = argv[0]->i;

  4463.     const char* const typeStr = (const char*)&argv[1]->s;

  4464.     const char* const atomBuf = (const char*)&argv[2]->s;

  4465. 

  4466.     QByteArray chunk;

  4467.     chunk = QByteArray::fromBase64(atomBuf);

  4468. 

  4469.     LV2_Atom* const atom = (LV2_Atom*)chunk.constData();

  4470.     CarlaBackend::Lv2Plugin* const lv2plugin = (CarlaBackend::Lv2Plugin*)plugin;

  4471. 

  4472.     atom->type = lv2plugin->getCustomURID(typeStr);

  4473.     lv2plugin->handleTransferAtom(portIndex, atom);

  4474. 

  4475.     return 0;

  4476. }

  4477. 

  4478. int CarlaOsc::handle_lv2_event_transfer(CARLA_OSC_HANDLE_ARGS2)

  4479. {

  4480.     qDebug("CarlaOsc::handle_lv2_event_transfer()");

  4481.     CARLA_OSC_CHECK_OSC_TYPES(3, "iss");

  4482. 

  4483.     const int32_t portIndex   = argv[0]->i;

  4484.     const char* const typeStr = (const char*)&argv[1]->s;

  4485.     const char* const atomBuf = (const char*)&argv[2]->s;

  4486. 

  4487.     QByteArray chunk;

  4488.     chunk = QByteArray::fromBase64(atomBuf);

  4489. 

  4490.     LV2_Atom* const atom = (LV2_Atom*)chunk.constData();

  4491.     CarlaBackend::Lv2Plugin* const lv2plugin = (CarlaBackend::Lv2Plugin*)plugin;

  4492. 

  4493.     atom->type = lv2plugin->getCustomURID(typeStr);

  4494.     lv2plugin->handleTransferEvent(portIndex, atom);

  4495. 

  4496.     return 0;

  4497. }

  4498. 

  4499. CARLA_BACKEND_END_NAMESPACE