falkTX
/
Cadence
mirror of https://github.com/falkTX/Cadence
1
0
Fork 0
Code Releases 3 Activity
Collection of tools useful for audio production
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
410 Commits
2 Branches
236MB
Tree: 5080699005
Branches Tags
${ item.name }
Create branch ${ searchTerm }
from '5080699005'
${ noResults }
Cadence/c++/carla-backend/lv2.cpp

4338 lines
151KB
Raw Blame History 

  1. /*

  2.  * Carla Backend

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

  4.  *

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

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

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

  8.  * any later version.

  9.  *

  10.  * This program is distributed in the hope that it will be useful,

  11.  * but WITHOUT ANY WARRANTY; without even the implied warranty of

  12.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

  13.  * GNU General Public License for more details.

  14.  *

  15.  * For a full copy of the GNU General Public License see the COPYING file

  16.  */

  17. 

  18. #include "carla_plugin.h"

  19. #include "carla_lv2.h"

  20. 

  21. #include <QtCore/QDir>

  22. 

  23. #ifndef __WINE__

  24. #include <QtGui/QLayout>

  25. #endif

  26. 

  27. #ifdef HAVE_SUIL

  28. #include <suil/suil.h>

  29. struct SuilInstanceImpl {

  30.     void*                   lib_handle;

  31.     const LV2UI_Descriptor* descriptor;

  32.     LV2UI_Handle            handle;

  33.     // ...

  34. };

  35. #endif

  36. 

  37. CARLA_BACKEND_START_NAMESPACE

  38. 

  39. /*!

  40.  * @defgroup CarlaBackendLv2Plugin Carla Backend LV2 Plugin

  41.  *

  42.  * The Carla Backend LV2 Plugin.\n

  43.  * http://lv2plug.in/

  44.  * @{

  45.  */

  46. 

  47. // static max values

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

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

  50. 

  51. /*!

  52.  * @defgroup PluginHints Plugin Hints

  53.  * @{

  54.  */

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

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

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

  58. /**@}*/

  59. 

  60. /*!

  61.  * @defgroup ParameterHints Parameter Hints

  62.  * @{

  63.  */

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

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

  66. /**@}*/

  67. 

  68. /*!

  69.  * @defgroup Lv2FeatureIds LV2 Feature Ids

  70.  *

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

  72.  * \see CarlaPlugin::hints

  73.  * @{

  74.  */

  75. const uint32_t lv2_feature_id_bufsize_bounded  =  0;

  76. const uint32_t lv2_feature_id_bufsize_fixed    =  1;

  77. const uint32_t lv2_feature_id_bufsize_powerof2 =  2;

  78. const uint32_t lv2_feature_id_event            =  3;

  79. const uint32_t lv2_feature_id_logs             =  4;

  80. const uint32_t lv2_feature_id_options          =  5;

  81. const uint32_t lv2_feature_id_programs         =  6;

  82. const uint32_t lv2_feature_id_state_make_path  =  7;

  83. const uint32_t lv2_feature_id_state_map_path   =  8;

  84. const uint32_t lv2_feature_id_strict_bounds    =  9;

  85. const uint32_t lv2_feature_id_uri_map          = 10;

  86. const uint32_t lv2_feature_id_urid_map         = 11;

  87. const uint32_t lv2_feature_id_urid_unmap       = 12;

  88. const uint32_t lv2_feature_id_worker           = 13;

  89. const uint32_t lv2_feature_id_data_access      = 14;

  90. const uint32_t lv2_feature_id_instance_access  = 15;

  91. const uint32_t lv2_feature_id_ui_parent        = 16;

  92. const uint32_t lv2_feature_id_ui_port_map      = 17;

  93. const uint32_t lv2_feature_id_ui_resize        = 18;

  94. const uint32_t lv2_feature_id_external_ui      = 19;

  95. const uint32_t lv2_feature_id_external_ui_old  = 20;

  96. const uint32_t lv2_feature_count               = 21;

  97. /**@}*/

  98. 

  99. /*!

  100.  * @defgroup Lv2EventTypes LV2 Event Data/Types

  101.  *

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

  103.  * \see CarlaPlugin::hints

  104.  * @{

  105.  */

  106. const unsigned int CARLA_EVENT_DATA_ATOM      = 0x01;

  107. const unsigned int CARLA_EVENT_DATA_EVENT     = 0x02;

  108. const unsigned int CARLA_EVENT_DATA_MIDI_LL   = 0x04;

  109. const unsigned int CARLA_EVENT_TYPE_MESSAGE   = 0x10;

  110. const unsigned int CARLA_EVENT_TYPE_MIDI      = 0x20;

  111. /**@}*/

  112. 

  113. /*!

  114.  * @defgroup Lv2UriMapIds LV2 URI Map Ids

  115.  *

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

  117.  * \see CarlaPlugin::hints

  118.  * @{

  119.  */

  120. const uint32_t CARLA_URI_MAP_ID_NULL                = 0;

  121. const uint32_t CARLA_URI_MAP_ID_ATOM_CHUNK          = 1;

  122. const uint32_t CARLA_URI_MAP_ID_ATOM_DOUBLE         = 2;

  123. const uint32_t CARLA_URI_MAP_ID_ATOM_INT            = 3;

  124. const uint32_t CARLA_URI_MAP_ID_ATOM_PATH           = 4;

  125. const uint32_t CARLA_URI_MAP_ID_ATOM_SEQUENCE       = 5;

  126. const uint32_t CARLA_URI_MAP_ID_ATOM_STRING         = 6;

  127. const uint32_t CARLA_URI_MAP_ID_ATOM_TRANSFER_ATOM  = 7;

  128. const uint32_t CARLA_URI_MAP_ID_ATOM_TRANSFER_EVENT = 8;

  129. const uint32_t CARLA_URI_MAP_ID_BUF_MAX_LENGTH      = 9;

  130. const uint32_t CARLA_URI_MAP_ID_BUF_MIN_LENGTH      = 10;

  131. const uint32_t CARLA_URI_MAP_ID_BUF_SEQUENCE_SIZE   = 11;

  132. const uint32_t CARLA_URI_MAP_ID_LOG_ERROR           = 12;

  133. const uint32_t CARLA_URI_MAP_ID_LOG_NOTE            = 13;

  134. const uint32_t CARLA_URI_MAP_ID_LOG_TRACE           = 14;

  135. const uint32_t CARLA_URI_MAP_ID_LOG_WARNING         = 15;

  136. const uint32_t CARLA_URI_MAP_ID_MIDI_EVENT          = 16;

  137. const uint32_t CARLA_URI_MAP_ID_PARAM_SAMPLE_RATE   = 17;

  138. const uint32_t CARLA_URI_MAP_ID_COUNT               = 18;

  139. /**@}*/

  140. 

  141. struct Lv2EventData {

  142.     uint32_t type;

  143.     CarlaEngineMidiPort* port;

  144.     union {

  145.         LV2_Atom_Sequence* atom;

  146.         LV2_Event_Buffer* event;

  147.         LV2_MIDI* midi;

  148.     };

  149. 

  150.     Lv2EventData()

  151.         : type(0),

  152.           port(nullptr) {}

  153. };

  154. 

  155. struct Lv2PluginEventData {

  156.     uint32_t count;

  157.     Lv2EventData* data;

  158. 

  159.     Lv2PluginEventData()

  160.         : count(0),

  161.           data(nullptr) {}

  162. };

  163. 

  164. struct Lv2PluginOptions {

  165.     bool init;

  166.     uint32_t eventSize;

  167.     uint32_t bufferSize;

  168.     double   sampleRate;

  169.     LV2_Options_Option oNull;

  170.     LV2_Options_Option oMaxBlockLenth;

  171.     LV2_Options_Option oMinBlockLenth;

  172.     LV2_Options_Option oSequenceSize;

  173.     LV2_Options_Option oSampleRate;

  174. 

  175.     Lv2PluginOptions()

  176.         : init(false),

  177.           eventSize(MAX_EVENT_BUFFER),

  178.           bufferSize(0),

  179.           sampleRate(0.0) {}

  180. };

  181. 

  182. Lv2PluginOptions lv2Options;

  183. 

  184. const char* lv2bridge2str(const LV2_Property type)

  185. {

  186.     switch (type)

  187.     {

  188. #ifndef BUILD_BRIDGE

  189.     case LV2_UI_GTK2:

  190.         return carlaOptions.bridge_lv2gtk2;

  191.     case LV2_UI_QT4:

  192.         return carlaOptions.bridge_lv2qt4;

  193.     case LV2_UI_COCOA:

  194.         return nullptr; //carlaOptions.bridge_lv2cocoa;

  195.     case LV2_UI_WINDOWS:

  196.         return nullptr; //carlaOptions.bridge_lv2hwnd;

  197.     case LV2_UI_X11:

  198.         return carlaOptions.bridge_lv2x11;

  199. #endif

  200.     default:

  201.         return nullptr;

  202.     }

  203. }

  204. 

  205. class Lv2Plugin : public CarlaPlugin

  206. {

  207. public:

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

  209.         : CarlaPlugin(engine, id)

  210.     {

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

  212. 

  213.         m_type = PLUGIN_LV2;

  214. 

  215.         handle = h2 = nullptr;

  216.         descriptor  = nullptr;

  217.         rdf_descriptor = nullptr;

  218. 

  219.         ext.state      = nullptr;

  220.         ext.worker     = nullptr;

  221.         ext.programs   = nullptr;

  222.         ext.uiprograms = nullptr;

  223. 

  224.         ui.lib = nullptr;

  225.         ui.handle = nullptr;

  226.         ui.descriptor = nullptr;

  227.         ui.rdf_descriptor = nullptr;

  228. 

  229.         evIn.count = 0;

  230.         evIn.data  = nullptr;

  231. 

  232.         evOut.count = 0;

  233.         evOut.data  = nullptr;

  234. 

  235.         paramBuffers = nullptr;

  236. 

  237.         gui.type = GUI_NONE;

  238.         gui.resizable = false;

  239.         gui.width  = 0;

  240.         gui.height = 0;

  241. 

  242. #ifdef HAVE_SUIL

  243.         suil.handle = nullptr;

  244.         suil.host   = nullptr;

  245. #endif

  246. 

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

  248.             customURIDs.push_back(nullptr);

  249. 

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

  251.             features[i] = nullptr;

  252. 

  253.         if (! lv2Options.init)

  254.         {

  255.             lv2Options.init = true;

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

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

  258. 

  259.             lv2Options.oNull.key   = CARLA_URI_MAP_ID_NULL;

  260.             lv2Options.oNull.size  = 0;

  261.             lv2Options.oNull.type  = CARLA_URI_MAP_ID_NULL;

  262.             lv2Options.oNull.value = nullptr;

  263. 

  264.             lv2Options.oMaxBlockLenth.key   = CARLA_URI_MAP_ID_BUF_MAX_LENGTH;

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

  266.             lv2Options.oMaxBlockLenth.type  = CARLA_URI_MAP_ID_ATOM_INT;

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

  268. 

  269.             lv2Options.oMinBlockLenth.key   = CARLA_URI_MAP_ID_BUF_MIN_LENGTH;

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

  271.             lv2Options.oMinBlockLenth.type  = CARLA_URI_MAP_ID_ATOM_INT;

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

  273. 

  274.             lv2Options.oSequenceSize.key   = CARLA_URI_MAP_ID_BUF_SEQUENCE_SIZE;

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

  276.             lv2Options.oSequenceSize.type  = CARLA_URI_MAP_ID_ATOM_INT;

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

  278. 

  279.             lv2Options.oSampleRate.key     = CARLA_URI_MAP_ID_PARAM_SAMPLE_RATE;

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

  281.             lv2Options.oSampleRate.type    = CARLA_URI_MAP_ID_ATOM_DOUBLE;

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

  283.         }

  284.     }

  285. 

  286.     ~Lv2Plugin()

  287.     {

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

  289. 

  290.         // close UI

  291.         if (m_hints & PLUGIN_HAS_GUI)

  292.         {

  293.             showGui(false);

  294. 

  295.             switch (gui.type)

  296.             {

  297.             case GUI_NONE:

  298.             case GUI_INTERNAL_QT4:

  299.             case GUI_INTERNAL_COCOA:

  300.             case GUI_INTERNAL_HWND:

  301.             case GUI_INTERNAL_X11:

  302.             case GUI_EXTERNAL_LV2:

  303.                 break;

  304. 

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

  306.             case GUI_EXTERNAL_SUIL:

  307.                 if (ui.widget)

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

  309.                 break;

  310. #endif

  311. 

  312. #ifndef BUILD_BRIDGE

  313.             case GUI_EXTERNAL_OSC:

  314.                 if (osc.thread)

  315.                 {

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

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

  318.                     {

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

  320.                         osc.thread->terminate();

  321.                     }

  322. 

  323.                     delete osc.thread;

  324.                 }

  325.                 break;

  326. #endif

  327.             }

  328. 

  329. #ifdef HAVE_SUIL

  330.             if (suil.handle)

  331.             {

  332.                 suil_instance_free(suil.handle);

  333. 

  334.                 if (suil.host)

  335.                     suil_host_free(suil.host);

  336. 

  337.                 ui.handle = nullptr;

  338.                 ui.descriptor = nullptr;

  339.             }

  340. #endif

  341. 

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

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

  344. 

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

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

  347. 

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

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

  350. 

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

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

  353. 

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

  355.             {

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

  357. 

  358.                 if (uiHost->plugin_human_id)

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

  360. 

  361.                 delete uiHost;

  362.             }

  363. 

  364.             uiLibClose();

  365.         }

  366. 

  367.         if (descriptor)

  368.         {

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

  370.             {

  371.                 if (handle)

  372.                     descriptor->deactivate(handle);

  373.                 if (h2)

  374.                     descriptor->deactivate(h2);

  375.             }

  376. 

  377.             if (descriptor->cleanup)

  378.             {

  379.                 if (handle)

  380.                     descriptor->cleanup(handle);

  381.                 if (h2)

  382.                     descriptor->cleanup(h2);

  383.             }

  384.         }

  385. 

  386.         if (rdf_descriptor)

  387.             lv2_rdf_free(rdf_descriptor);

  388. 

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

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

  391. 

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

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

  394. 

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

  396.         {

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

  398.             delete[] options;

  399.         }

  400. 

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

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

  403. 

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

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

  406. 

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

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

  409. 

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

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

  412. 

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

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

  415. 

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

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

  418. 

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

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

  421. 

  422. #ifndef BUILD_BRIDGE

  423.         if (! carlaOptions.processHighPrecision)

  424. #endif

  425.         {

  426.             features[lv2_feature_id_bufsize_fixed]    = nullptr;

  427.             features[lv2_feature_id_bufsize_powerof2] = nullptr;

  428.         }

  429. 

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

  431.         {

  432.             if (features[i])

  433.                 delete features[i];

  434.         }

  435. 

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

  437.         {

  438.             if (customURIDs[i])

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

  440.         }

  441. 

  442.         customURIDs.clear();

  443.     }

  444. 

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

  446.     // Information (base)

  447. 

  448.     PluginCategory category()

  449.     {

  450.         Q_ASSERT(rdf_descriptor);

  451. 

  452.         LV2_Property category = rdf_descriptor->Type;

  453. 

  454.         if (LV2_IS_DELAY(category))

  455.             return PLUGIN_CATEGORY_DELAY;

  456.         if (LV2_IS_DISTORTION(category))

  457.             return PLUGIN_CATEGORY_OTHER;

  458.         if (LV2_IS_DYNAMICS(category))

  459.             return PLUGIN_CATEGORY_DYNAMICS;

  460.         if (LV2_IS_EQ(category))

  461.             return PLUGIN_CATEGORY_EQ;

  462.         if (LV2_IS_FILTER(category))

  463.             return PLUGIN_CATEGORY_FILTER;

  464.         if (LV2_IS_GENERATOR(category))

  465.             return PLUGIN_CATEGORY_SYNTH;

  466.         if (LV2_IS_MODULATOR(category))

  467.             return PLUGIN_CATEGORY_MODULATOR;

  468.         if (LV2_IS_REVERB(category))

  469.             return PLUGIN_CATEGORY_DELAY;

  470.         if (LV2_IS_SIMULATOR(category))

  471.             return PLUGIN_CATEGORY_OTHER;

  472.         if (LV2_IS_SPATIAL(category))

  473.             return PLUGIN_CATEGORY_OTHER;

  474.         if (LV2_IS_SPECTRAL(category))

  475.             return PLUGIN_CATEGORY_UTILITY;

  476.         if (LV2_IS_UTILITY(category))

  477.             return PLUGIN_CATEGORY_UTILITY;

  478. 

  479.         return getPluginCategoryFromName(m_name);

  480.     }

  481. 

  482.     long uniqueId()

  483.     {

  484.         Q_ASSERT(rdf_descriptor);

  485. 

  486.         return rdf_descriptor->UniqueID;

  487.     }

  488. 

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

  490.     // Information (count)

  491. 

  492.     uint32_t midiInCount()

  493.     {

  494.         uint32_t i, count = 0;

  495. 

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

  497.         {

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

  499.                 count += 1;

  500.         }

  501. 

  502.         return count;

  503.     }

  504. 

  505.     uint32_t midiOutCount()

  506.     {

  507.         uint32_t i, count = 0;

  508. 

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

  510.         {

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

  512.                 count += 1;

  513.         }

  514. 

  515.         return count;

  516.     }

  517. 

  518.     uint32_t parameterScalePointCount(const uint32_t parameterId)

  519.     {

  520.         Q_ASSERT(parameterId < param.count);

  521.         Q_ASSERT(rdf_descriptor);

  522. 

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

  524. 

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

  526.         {

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

  528. 

  529.             if (port)

  530.                 return port->ScalePointCount;

  531.         }

  532. 

  533.         return 0;

  534.     }

  535. 

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

  537.     // Information (per-plugin data)

  538. 

  539.     double getParameterValue(const uint32_t parameterId)

  540.     {

  541.         Q_ASSERT(parameterId < param.count);

  542. 

  543.         return paramBuffers[parameterId];

  544.     }

  545. 

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

  547.     {

  548.         Q_ASSERT(parameterId < param.count);

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

  550. 

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

  552. 

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

  554.         {

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

  556. 

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

  558.             {

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

  560. 

  561.                 if (portScalePoint)

  562.                     return portScalePoint->Value;

  563.             }

  564.         }

  565. 

  566.         return 0.0;

  567.     }

  568. 

  569.     void getLabel(char* const strBuf)

  570.     {

  571.         Q_ASSERT(rdf_descriptor);

  572. 

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

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

  575.         else

  576.             CarlaPlugin::getLabel(strBuf);

  577.     }

  578. 

  579.     void getMaker(char* const strBuf)

  580.     {

  581.         Q_ASSERT(rdf_descriptor);

  582. 

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

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

  585.         else

  586.             CarlaPlugin::getMaker(strBuf);

  587.     }

  588. 

  589.     void getCopyright(char* const strBuf)

  590.     {

  591.         Q_ASSERT(rdf_descriptor);

  592. 

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

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

  595.         else

  596.             CarlaPlugin::getCopyright(strBuf);

  597.     }

  598. 

  599.     void getRealName(char* const strBuf)

  600.     {

  601.         Q_ASSERT(rdf_descriptor);

  602. 

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

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

  605.         else

  606.             CarlaPlugin::getRealName(strBuf);

  607.     }

  608. 

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

  610.     {

  611.         Q_ASSERT(rdf_descriptor);

  612.         Q_ASSERT(parameterId < param.count);

  613. 

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

  615. 

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

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

  618.         else

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

  620.     }

  621. 

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

  623.     {

  624.         Q_ASSERT(rdf_descriptor);

  625.         Q_ASSERT(parameterId < param.count);

  626. 

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

  628. 

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

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

  631.         else

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

  633.     }

  634. 

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

  636.     {

  637.         Q_ASSERT(rdf_descriptor);

  638.         Q_ASSERT(parameterId < param.count);

  639. 

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

  641. 

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

  643.         {

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

  645. 

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

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

  648. 

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

  650.             {

  651.                 switch (port->Unit.Type)

  652.                 {

  653.                 case LV2_UNIT_BAR:

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

  655.                     return;

  656.                 case LV2_UNIT_BEAT:

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

  658.                     return;

  659.                 case LV2_UNIT_BPM:

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

  661.                     return;

  662.                 case LV2_UNIT_CENT:

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

  664.                     return;

  665.                 case LV2_UNIT_CM:

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

  667.                     return;

  668.                 case LV2_UNIT_COEF:

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

  670.                     return;

  671.                 case LV2_UNIT_DB:

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

  673.                     return;

  674.                 case LV2_UNIT_DEGREE:

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

  676.                     return;

  677.                 case LV2_UNIT_FRAME:

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

  679.                     return;

  680.                 case LV2_UNIT_HZ:

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

  682.                     return;

  683.                 case LV2_UNIT_INCH:

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

  685.                     return;

  686.                 case LV2_UNIT_KHZ:

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

  688.                     return;

  689.                 case LV2_UNIT_KM:

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

  691.                     return;

  692.                 case LV2_UNIT_M:

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

  694.                     return;

  695.                 case LV2_UNIT_MHZ:

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

  697.                     return;

  698.                 case LV2_UNIT_MIDINOTE:

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

  700.                     return;

  701.                 case LV2_UNIT_MILE:

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

  703.                     return;

  704.                 case LV2_UNIT_MIN:

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

  706.                     return;

  707.                 case LV2_UNIT_MM:

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

  709.                     return;

  710.                 case LV2_UNIT_MS:

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

  712.                     return;

  713.                 case LV2_UNIT_OCT:

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

  715.                     return;

  716.                 case LV2_UNIT_PC:

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

  718.                     return;

  719.                 case LV2_UNIT_S:

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

  721.                     return;

  722.                 case LV2_UNIT_SEMITONE:

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

  724.                     return;

  725.                 }

  726.             }

  727.         }

  728. 

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

  730.     }

  731. 

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

  733.     {

  734.         Q_ASSERT(rdf_descriptor);

  735.         Q_ASSERT(parameterId < param.count);

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

  737. 

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

  739. 

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

  741.         {

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

  743. 

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

  745.             {

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

  747. 

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

  749.                 {

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

  751.                     return;

  752.                 }

  753.             }

  754.         }

  755. 

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

  757.     }

  758. 

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

  760.     {

  761.         Q_ASSERT(type);

  762.         Q_ASSERT(resizable);

  763. 

  764.         *type      = gui.type;

  765.         *resizable = gui.resizable;

  766.     }

  767. 

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

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

  770. 

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

  772.     {

  773.         Q_ASSERT(parameterId < param.count);

  774. 

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

  776. 

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

  778.     }

  779. 

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

  781.     {

  782.         Q_ASSERT(type != CUSTOM_DATA_INVALID);

  783.         Q_ASSERT(key);

  784.         Q_ASSERT(value);

  785. 

  786.         if (type == CUSTOM_DATA_INVALID)

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

  788. 

  789.         if (! key)

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

  791. 

  792.         if (! value)

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

  794. 

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

  796. 

  797.         if (ext.state)

  798.         {

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

  800.             LV2_State_Status status;

  801. 

  802.             if (x_engine->isOffline())

  803.             {

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

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

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

  807.             }

  808.             else

  809.             {

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

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

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

  813.             }

  814. 

  815.             switch (status)

  816.             {

  817.             case LV2_STATE_SUCCESS:

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

  819.                 break;

  820.             case LV2_STATE_ERR_UNKNOWN:

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

  822.                 break;

  823.             case LV2_STATE_ERR_BAD_TYPE:

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

  825.                 break;

  826.             case LV2_STATE_ERR_BAD_FLAGS:

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

  828.                 break;

  829.             case LV2_STATE_ERR_NO_FEATURE:

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

  831.                 break;

  832.             case LV2_STATE_ERR_NO_PROPERTY:

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

  834.                 break;

  835.             }

  836.         }

  837. 

  838.         if (sendGui)

  839.         {

  840.             CustomData cdata;

  841.             cdata.type  = type;

  842.             cdata.key   = key;

  843.             cdata.value = value;

  844.             uiTransferEvent(&cdata);

  845.         }

  846.     }

  847. 

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

  849.     {

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

  851. 

  852.         if (index < -1)

  853.             index = -1;

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

  855.             return;

  856. 

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

  858.         {

  859.             if (x_engine->isOffline())

  860.             {

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

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

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

  864.             }

  865.             else

  866.             {

  867.                 const ScopedDisabler m(this, block);

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

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

  870.             }

  871.         }

  872. 

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

  874.     }

  875. 

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

  877.     // Set gui stuff

  878. 

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

  880.     {

  881.         switch(gui.type)

  882.         {

  883.         case GUI_NONE:

  884.             break;

  885. 

  886. #ifndef __WINE__

  887.         case GUI_INTERNAL_QT4:

  888.             if (ui.widget)

  889.             {

  890.                 QDialog* const dialog = handle;

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

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

  893.                 widget->adjustSize();

  894.                 widget->setParent(dialog);

  895.                 widget->show();

  896.             }

  897.             break;

  898. #endif

  899. 

  900.         case GUI_INTERNAL_COCOA:

  901.         case GUI_INTERNAL_HWND:

  902.         case GUI_INTERNAL_X11:

  903.             if (ui.descriptor)

  904.             {

  905. #ifdef __WINE__

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

  907. #else

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

  909. #endif

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

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

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

  913.                 updateUi();

  914.             }

  915.             break;

  916. 

  917.         case GUI_EXTERNAL_LV2:

  918.         case GUI_EXTERNAL_SUIL:

  919.         case GUI_EXTERNAL_OSC:

  920.             break;

  921.         }

  922.     }

  923. 

  924.     void showGui(const bool yesNo)

  925.     {

  926.         switch(gui.type)

  927.         {

  928.         case GUI_NONE:

  929.         case GUI_INTERNAL_QT4:

  930.             break;

  931. 

  932.         case GUI_INTERNAL_COCOA:

  933.         case GUI_INTERNAL_HWND:

  934.         case GUI_INTERNAL_X11:

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

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

  937.             break;

  938. 

  939.         case GUI_EXTERNAL_LV2:

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

  941.                 initExternalUi();

  942. 

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

  944.             {

  945.                 if (yesNo)

  946.                 {

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

  948.                 }

  949.                 else

  950.                 {

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

  952. 

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

  954.                     {

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

  956. 

  957.                         if (ui.descriptor->cleanup)

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

  959. 

  960.                         ui.handle = nullptr;

  961.                     }

  962.                 }

  963.             }

  964.             else

  965.                 // failed to init UI

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

  967. 

  968.             break;

  969. 

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

  971.         case GUI_EXTERNAL_SUIL:

  972.             if (ui.widget)

  973.             {

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

  975. 

  976.                 if (yesNo)

  977.                 {

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

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

  980.                 }

  981.                 else

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

  983. 

  984.                 widget->setVisible(yesNo);

  985.             }

  986.             break;

  987. #endif

  988. 

  989. #ifndef BUILD_BRIDGE

  990.         case GUI_EXTERNAL_OSC:

  991.             Q_ASSERT(osc.thread);

  992. 

  993.             if (! osc.thread)

  994.             {

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

  996.                 return;

  997.             }

  998. 

  999.             if (yesNo)

  1000.             {

  1001.                 osc.thread->start();

  1002.             }

  1003.             else

  1004.             {

  1005.                 if (osc.data.target)

  1006.                 {

  1007.                     osc_send_hide(&osc.data);

  1008.                     osc_send_quit(&osc.data);

  1009.                     osc_clear_data(&osc.data);

  1010.                 }

  1011. 

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

  1013.                     osc.thread->quit();

  1014.             }

  1015.             break;

  1016. #endif

  1017.         }

  1018.     }

  1019. 

  1020.     void idleGui()

  1021.     {

  1022.         // Update external UI

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

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

  1025. 

  1026.         CarlaPlugin::idleGui();

  1027.     }

  1028. 

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

  1030.     // Plugin state

  1031. 

  1032.     void reload()

  1033.     {

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

  1035.         Q_ASSERT(descriptor && rdf_descriptor);

  1036. 

  1037.         // Safely disable plugin for reload

  1038.         const ScopedDisabler m(this);

  1039. 

  1040.         if (x_client->isActive())

  1041.             x_client->deactivate();

  1042. 

  1043.         // Remove client ports

  1044.         removeClientPorts();

  1045. 

  1046.         // Delete old data

  1047.         deleteBuffers();

  1048. 

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

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

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

  1052. 

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

  1054.         const uint32_t portCount = rdf_descriptor->PortCount;

  1055. 

  1056.         bool forcedStereoIn, forcedStereoOut;

  1057.         forcedStereoIn = forcedStereoOut = false;

  1058. 

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

  1060.         {

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

  1062. 

  1063.             if (LV2_IS_PORT_AUDIO(portType))

  1064.             {

  1065.                 if (LV2_IS_PORT_INPUT(portType))

  1066.                     aIns += 1;

  1067.                 else if (LV2_IS_PORT_OUTPUT(portType))

  1068.                     aOuts += 1;

  1069.             }

  1070.             else if (LV2_IS_PORT_CV(portType))

  1071.             {

  1072.                 if (LV2_IS_PORT_INPUT(portType))

  1073.                     cvIns += 1;

  1074.                 else if (LV2_IS_PORT_OUTPUT(portType))

  1075.                     cvOuts += 1;

  1076.             }

  1077.             else if (LV2_IS_PORT_ATOM_SEQUENCE(portType))

  1078.             {

  1079.                 if (LV2_IS_PORT_INPUT(portType))

  1080.                     evIns.push_back(CARLA_EVENT_DATA_ATOM);

  1081.                 else if (LV2_IS_PORT_OUTPUT(portType))

  1082.                     evOuts.push_back(CARLA_EVENT_DATA_ATOM);

  1083.             }

  1084.             else if (LV2_IS_PORT_EVENT(portType))

  1085.             {

  1086.                 if (LV2_IS_PORT_INPUT(portType))

  1087.                     evIns.push_back(CARLA_EVENT_DATA_EVENT);

  1088.                 else if (LV2_IS_PORT_OUTPUT(portType))

  1089.                     evOuts.push_back(CARLA_EVENT_DATA_EVENT);

  1090.             }

  1091.             else if (LV2_IS_PORT_MIDI_LL(portType))

  1092.             {

  1093.                 if (LV2_IS_PORT_INPUT(portType))

  1094.                     evIns.push_back(CARLA_EVENT_DATA_MIDI_LL);

  1095.                 else if (LV2_IS_PORT_OUTPUT(portType))

  1096.                     evOuts.push_back(CARLA_EVENT_DATA_MIDI_LL);

  1097.             }

  1098.             else if (LV2_IS_PORT_CONTROL(portType))

  1099.                 params += 1;

  1100.         }

  1101. 

  1102.         if (carlaOptions.forceStereo && (aIns == 1 || aOuts == 1) && ! h2)

  1103.         {

  1104.             h2 = descriptor->instantiate(descriptor, sampleRate, rdf_descriptor->Bundle, features);

  1105. 

  1106.             if (aIns == 1)

  1107.             {

  1108.                 aIns = 2;

  1109.                 forcedStereoIn = true;

  1110.             }

  1111. 

  1112.             if (aOuts == 1)

  1113.             {

  1114.                 aOuts = 2;

  1115.                 forcedStereoOut = true;

  1116.             }

  1117.         }

  1118. 

  1119.         if (aIns > 0)

  1120.         {

  1121.             aIn.ports    = new CarlaEngineAudioPort*[aIns];

  1122.             aIn.rindexes = new uint32_t[aIns];

  1123.         }

  1124. 

  1125.         if (aOuts > 0)

  1126.         {

  1127.             aOut.ports    = new CarlaEngineAudioPort*[aOuts];

  1128.             aOut.rindexes = new uint32_t[aOuts];

  1129.         }

  1130. 

  1131.         if (evIns.size() > 0)

  1132.         {

  1133.             const size_t size = evIns.size();

  1134.             evIn.data = new Lv2EventData[size];

  1135. 

  1136.             for (j=0; j < size; j++)

  1137.             {

  1138.                 evIn.data[j].port = nullptr;

  1139.                 evIn.data[j].type = 0;

  1140. 

  1141.                 if (evIns[j] == CARLA_EVENT_DATA_ATOM)

  1142.                 {

  1143.                     evIn.data[j].type = CARLA_EVENT_DATA_ATOM;

  1144.                     evIn.data[j].atom = (LV2_Atom_Sequence*)malloc(sizeof(LV2_Atom_Sequence) + MAX_EVENT_BUFFER);

  1145.                     evIn.data[j].atom->atom.size = sizeof(LV2_Atom_Sequence_Body);

  1146.                     evIn.data[j].atom->atom.type = CARLA_URI_MAP_ID_ATOM_SEQUENCE;

  1147.                     evIn.data[j].atom->body.unit = CARLA_URI_MAP_ID_NULL;

  1148.                     evIn.data[j].atom->body.pad  = 0;

  1149.                 }

  1150.                 else if (evIns[j] == CARLA_EVENT_DATA_EVENT)

  1151.                 {

  1152.                     evIn.data[j].type  = CARLA_EVENT_DATA_EVENT;

  1153.                     evIn.data[j].event = lv2_event_buffer_new(MAX_EVENT_BUFFER, LV2_EVENT_AUDIO_STAMP);

  1154.                 }

  1155.                 else if (evIns[j] == CARLA_EVENT_DATA_MIDI_LL)

  1156.                 {

  1157.                     evIn.data[j].type  = CARLA_EVENT_DATA_MIDI_LL;

  1158.                     evIn.data[j].midi  = new LV2_MIDI;

  1159.                     evIn.data[j].midi->capacity = MAX_EVENT_BUFFER;

  1160.                     evIn.data[j].midi->data     = new unsigned char [MAX_EVENT_BUFFER];

  1161.                 }

  1162.             }

  1163.         }

  1164. 

  1165.         if (evOuts.size() > 0)

  1166.         {

  1167.             const size_t size = evOuts.size();

  1168.             evOut.data = new Lv2EventData[size];

  1169. 

  1170.             for (j=0; j < size; j++)

  1171.             {

  1172.                 evOut.data[j].port = nullptr;

  1173.                 evOut.data[j].type = 0;

  1174. 

  1175.                 if (evOuts[j] == CARLA_EVENT_DATA_ATOM)

  1176.                 {

  1177.                     evOut.data[j].type = CARLA_EVENT_DATA_ATOM;

  1178.                     evOut.data[j].atom = (LV2_Atom_Sequence*)malloc(sizeof(LV2_Atom_Sequence) + MAX_EVENT_BUFFER);

  1179.                     evOut.data[j].atom->atom.size = sizeof(LV2_Atom_Sequence_Body);

  1180.                     evOut.data[j].atom->atom.type = CARLA_URI_MAP_ID_ATOM_SEQUENCE;

  1181.                     evOut.data[j].atom->body.unit = CARLA_URI_MAP_ID_NULL;

  1182.                     evOut.data[j].atom->body.pad  = 0;

  1183.                 }

  1184.                 else if (evOuts[j] == CARLA_EVENT_DATA_EVENT)

  1185.                 {

  1186.                     evOut.data[j].type  = CARLA_EVENT_DATA_EVENT;

  1187.                     evOut.data[j].event = lv2_event_buffer_new(MAX_EVENT_BUFFER, LV2_EVENT_AUDIO_STAMP);

  1188.                 }

  1189.                 else if (evOuts[j] == CARLA_EVENT_DATA_MIDI_LL)

  1190.                 {

  1191.                     evOut.data[j].type  = CARLA_EVENT_DATA_MIDI_LL;

  1192.                     evOut.data[j].midi  = new LV2_MIDI;

  1193.                     evOut.data[j].midi->capacity = MAX_EVENT_BUFFER;

  1194.                     evOut.data[j].midi->data     = new unsigned char [MAX_EVENT_BUFFER];

  1195.                 }

  1196.             }

  1197.         }

  1198. 

  1199.         if (params > 0)

  1200.         {

  1201.             param.data   = new ParameterData[params];

  1202.             param.ranges = new ParameterRanges[params];

  1203.             paramBuffers = new float[params];

  1204.         }

  1205. 

  1206.         const int portNameSize = CarlaEngine::maxPortNameSize() - 2;

  1207.         char portName[portNameSize];

  1208.         bool needsCtrlIn  = false;

  1209.         bool needsCtrlOut = false;

  1210. 

  1211.         for (uint32_t i=0; i < portCount; i++)

  1212.         {

  1213.             const LV2_Property portType = rdf_descriptor->Ports[i].Type;

  1214. 

  1215.             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))

  1216.             {

  1217. #ifndef BUILD_BRIDGE

  1218.                 if (carlaOptions.processMode != PROCESS_MODE_MULTIPLE_CLIENTS)

  1219.                 {

  1220.                     strcpy(portName, m_name);

  1221.                     strcat(portName, ":");

  1222.                     strncat(portName, rdf_descriptor->Ports[i].Name, portNameSize/2);

  1223.                 }

  1224.                 else

  1225. #endif

  1226.                     strncpy(portName, rdf_descriptor->Ports[i].Name, portNameSize);

  1227.             }

  1228. 

  1229.             if (LV2_IS_PORT_AUDIO(portType))

  1230.             {

  1231.                 if (LV2_IS_PORT_INPUT(portType))

  1232.                 {

  1233.                     j = aIn.count++;

  1234.                     aIn.ports[j]    = (CarlaEngineAudioPort*)x_client->addPort(CarlaEnginePortTypeAudio, portName, true);

  1235.                     aIn.rindexes[j] = i;

  1236. 

  1237.                     if (forcedStereoIn)

  1238.                     {

  1239.                         strcat(portName, "_");

  1240.                         aIn.ports[1]    = (CarlaEngineAudioPort*)x_client->addPort(CarlaEnginePortTypeAudio, portName, true);

  1241.                         aIn.rindexes[1] = i;

  1242.                     }

  1243.                 }

  1244.                 else if (LV2_IS_PORT_OUTPUT(portType))

  1245.                 {

  1246.                     j = aOut.count++;

  1247.                     aOut.ports[j]    = (CarlaEngineAudioPort*)x_client->addPort(CarlaEnginePortTypeAudio, portName, false);

  1248.                     aOut.rindexes[j] = i;

  1249.                     needsCtrlIn = true;

  1250. 

  1251.                     if (forcedStereoOut)

  1252.                     {

  1253.                         strcat(portName, "_");

  1254.                         aOut.ports[1]    = (CarlaEngineAudioPort*)x_client->addPort(CarlaEnginePortTypeAudio, portName, false);

  1255.                         aOut.rindexes[1] = i;

  1256.                     }

  1257.                 }

  1258.                 else

  1259.                     qWarning("WARNING - Got a broken Port (Audio, but not input or output)");

  1260.             }

  1261.             else if (LV2_IS_PORT_CV(portType))

  1262.             {

  1263.                 if (LV2_IS_PORT_INPUT(portType))

  1264.                 {

  1265.                     qWarning("WARNING - CV Ports are not supported yet");

  1266.                 }

  1267.                 else if (LV2_IS_PORT_OUTPUT(portType))

  1268.                 {

  1269.                     qWarning("WARNING - CV Ports are not supported yet");

  1270.                 }

  1271.                 else

  1272.                     qWarning("WARNING - Got a broken Port (CV, but not input or output)");

  1273. 

  1274.                 descriptor->connect_port(handle, i, nullptr);

  1275.                 if (h2) descriptor->connect_port(h2, i, nullptr);

  1276.             }

  1277.             else if (LV2_IS_PORT_ATOM_SEQUENCE(portType))

  1278.             {

  1279.                 if (LV2_IS_PORT_INPUT(portType))

  1280.                 {

  1281.                     j = evIn.count++;

  1282.                     descriptor->connect_port(handle, i, evIn.data[j].atom);

  1283.                     if (h2) descriptor->connect_port(h2, i, evIn.data[j].atom);

  1284. 

  1285.                     if (portType & LV2_PORT_SUPPORTS_MIDI_EVENT)

  1286.                     {

  1287.                         evIn.data[j].type |= CARLA_EVENT_TYPE_MIDI;

  1288.                         evIn.data[j].port  = (CarlaEngineMidiPort*)x_client->addPort(CarlaEnginePortTypeMIDI, portName, true);

  1289.                     }

  1290.                     if (portType & LV2_PORT_SUPPORTS_PATCH_MESSAGE)

  1291.                     {

  1292.                         evIn.data[j].type |= CARLA_EVENT_TYPE_MESSAGE;

  1293.                     }

  1294.                 }

  1295.                 else if (LV2_IS_PORT_OUTPUT(portType))

  1296.                 {

  1297.                     j = evOut.count++;

  1298.                     descriptor->connect_port(handle, i, evOut.data[j].atom);

  1299.                     if (h2) descriptor->connect_port(h2, i, evOut.data[j].atom);

  1300. 

  1301.                     if (portType & LV2_PORT_SUPPORTS_MIDI_EVENT)

  1302.                     {

  1303.                         evOut.data[j].type |= CARLA_EVENT_TYPE_MIDI;

  1304.                         evOut.data[j].port  = (CarlaEngineMidiPort*)x_client->addPort(CarlaEnginePortTypeMIDI, portName, false);

  1305.                     }

  1306.                     if (portType & LV2_PORT_SUPPORTS_PATCH_MESSAGE)

  1307.                     {

  1308.                         evOut.data[j].type |= CARLA_EVENT_TYPE_MESSAGE;

  1309.                     }

  1310.                 }

  1311.                 else

  1312.                     qWarning("WARNING - Got a broken Port (Atom Sequence, but not input or output)");

  1313.             }

  1314.             else if (LV2_IS_PORT_EVENT(portType))

  1315.             {

  1316.                 if (LV2_IS_PORT_INPUT(portType))

  1317.                 {

  1318.                     j = evIn.count++;

  1319.                     descriptor->connect_port(handle, i, evIn.data[j].event);

  1320.                     if (h2) descriptor->connect_port(h2, i, evIn.data[j].event);

  1321. 

  1322.                     if (portType & LV2_PORT_SUPPORTS_MIDI_EVENT)

  1323.                     {

  1324.                         evIn.data[j].type |= CARLA_EVENT_TYPE_MIDI;

  1325.                         evIn.data[j].port  = (CarlaEngineMidiPort*)x_client->addPort(CarlaEnginePortTypeMIDI, portName, true);

  1326.                     }

  1327.                 }

  1328.                 else if (LV2_IS_PORT_OUTPUT(portType))

  1329.                 {

  1330.                     j = evOut.count++;

  1331.                     descriptor->connect_port(handle, i, evOut.data[j].event);

  1332.                     if (h2) descriptor->connect_port(h2, i, evOut.data[j].event);

  1333. 

  1334.                     if (portType & LV2_PORT_SUPPORTS_MIDI_EVENT)

  1335.                     {

  1336.                         evOut.data[j].type |= CARLA_EVENT_TYPE_MIDI;

  1337.                         evOut.data[j].port  = (CarlaEngineMidiPort*)x_client->addPort(CarlaEnginePortTypeMIDI, portName, false);

  1338.                     }

  1339.                 }

  1340.                 else

  1341.                     qWarning("WARNING - Got a broken Port (Event, but not input or output)");

  1342.             }

  1343.             else if (LV2_IS_PORT_MIDI_LL(portType))

  1344.             {

  1345.                 if (LV2_IS_PORT_INPUT(portType))

  1346.                 {

  1347.                     j = evIn.count++;

  1348.                     descriptor->connect_port(handle, i, evIn.data[j].midi);

  1349.                     if (h2) descriptor->connect_port(h2, i, evIn.data[j].midi);

  1350. 

  1351.                     evIn.data[j].type |= CARLA_EVENT_TYPE_MIDI;

  1352.                     evIn.data[j].port  = (CarlaEngineMidiPort*)x_client->addPort(CarlaEnginePortTypeMIDI, portName, true);

  1353.                 }

  1354.                 else if (LV2_IS_PORT_OUTPUT(portType))

  1355.                 {

  1356.                     j = evOut.count++;

  1357.                     descriptor->connect_port(handle, i, evOut.data[j].midi);

  1358.                     if (h2) descriptor->connect_port(h2, i, evOut.data[j].midi);

  1359. 

  1360.                     evOut.data[j].type |= CARLA_EVENT_TYPE_MIDI;

  1361.                     evOut.data[j].port  = (CarlaEngineMidiPort*)x_client->addPort(CarlaEnginePortTypeMIDI, portName, false);

  1362.                 }

  1363.                 else

  1364.                     qWarning("WARNING - Got a broken Port (Midi, but not input or output)");

  1365.             }

  1366.             else if (LV2_IS_PORT_CONTROL(portType))

  1367.             {

  1368.                 const LV2_Property portProps = rdf_descriptor->Ports[i].Properties;

  1369.                 const LV2_Property portDesignation = rdf_descriptor->Ports[i].Designation;

  1370.                 const LV2_RDF_PortPoints portPoints = rdf_descriptor->Ports[i].Points;

  1371. 

  1372.                 j = param.count++;

  1373.                 param.data[j].index  = j;

  1374.                 param.data[j].rindex = i;

  1375.                 param.data[j].hints  = 0;

  1376.                 param.data[j].midiChannel = 0;

  1377.                 param.data[j].midiCC = -1;

  1378. 

  1379.                 double min, max, def, step, stepSmall, stepLarge;

  1380. 

  1381.                 // min value

  1382.                 if (LV2_HAVE_MINIMUM_PORT_POINT(portPoints.Hints))

  1383.                     min = portPoints.Minimum;

  1384.                 else

  1385.                     min = 0.0;

  1386. 

  1387.                 // max value

  1388.                 if (LV2_HAVE_MAXIMUM_PORT_POINT(portPoints.Hints))

  1389.                     max = portPoints.Maximum;

  1390.                 else

  1391.                     max = 1.0;

  1392. 

  1393.                 if (min > max)

  1394.                     max = min;

  1395.                 else if (max < min)

  1396.                     min = max;

  1397. 

  1398.                 // stupid hack for ir.lv2 (broken plugin)

  1399.                 if (strcmp(rdf_descriptor->URI, "http://factorial.hu/plugins/lv2/ir") == 0 && strncmp(rdf_descriptor->Ports[i].Name, "FileHash", 8) == 0)

  1400.                 {

  1401.                     min = 0.0;

  1402.                     max = 16777215.0; // 0xffffff

  1403.                 }

  1404. 

  1405.                 if (max - min == 0.0)

  1406.                 {

  1407.                     qWarning("Broken plugin parameter: max - min == 0");

  1408.                     max = min + 0.1;

  1409.                 }

  1410. 

  1411.                 // default value

  1412.                 if (LV2_HAVE_DEFAULT_PORT_POINT(portPoints.Hints))

  1413.                 {

  1414.                     def = portPoints.Default;

  1415.                 }

  1416.                 else

  1417.                 {

  1418.                     // no default value

  1419.                     if (min < 0.0 && max > 0.0)

  1420.                         def = 0.0;

  1421.                     else

  1422.                         def = min;

  1423.                 }

  1424. 

  1425.                 if (def < min)

  1426.                     def = min;

  1427.                 else if (def > max)

  1428.                     def = max;

  1429. 

  1430.                 if (LV2_IS_PORT_SAMPLE_RATE(portProps))

  1431.                 {

  1432.                     min *= sampleRate;

  1433.                     max *= sampleRate;

  1434.                     def *= sampleRate;

  1435.                     param.data[j].hints |= PARAMETER_USES_SAMPLERATE;

  1436.                 }

  1437. 

  1438.                 if (LV2_IS_PORT_TOGGLED(portProps))

  1439.                 {

  1440.                     step = max - min;

  1441.                     stepSmall = step;

  1442.                     stepLarge = step;

  1443.                     param.data[j].hints |= PARAMETER_IS_BOOLEAN;

  1444.                 }

  1445.                 else if (LV2_IS_PORT_INTEGER(portProps))

  1446.                 {

  1447.                     step = 1.0;

  1448.                     stepSmall = 1.0;

  1449.                     stepLarge = 10.0;

  1450.                     param.data[j].hints |= PARAMETER_IS_INTEGER;

  1451.                 }

  1452.                 else

  1453.                 {

  1454.                     double range = max - min;

  1455.                     step = range/100.0;

  1456.                     stepSmall = range/1000.0;

  1457.                     stepLarge = range/10.0;

  1458.                 }

  1459. 

  1460.                 if (LV2_IS_PORT_INPUT(portType))

  1461.                 {

  1462.                     if (LV2_IS_PORT_DESIGNATION_LATENCY(portDesignation))

  1463.                     {

  1464.                         qWarning("Plugin has latency input port, this should not happen!");

  1465.                     }

  1466.                     else if (LV2_IS_PORT_DESIGNATION_SAMPLE_RATE(portDesignation))

  1467.                     {

  1468.                         def = sampleRate;

  1469.                         step = 1.0;

  1470.                         stepSmall = 1.0;

  1471.                         stepLarge = 1.0;

  1472. 

  1473.                         param.data[j].type  = PARAMETER_SAMPLE_RATE;

  1474.                         param.data[j].hints = 0;

  1475.                     }

  1476.                     else if (LV2_IS_PORT_DESIGNATION_FREEWHEELING(portDesignation))

  1477.                     {

  1478.                         param.data[j].type = PARAMETER_LV2_FREEWHEEL;

  1479.                     }

  1480.                     else if (LV2_IS_PORT_DESIGNATION_TIME(portDesignation))

  1481.                     {

  1482.                         param.data[j].type = PARAMETER_LV2_TIME;

  1483.                     }

  1484.                     else

  1485.                     {

  1486.                         param.data[j].type = PARAMETER_INPUT;

  1487.                         param.data[j].hints |= PARAMETER_IS_ENABLED;

  1488.                         param.data[j].hints |= PARAMETER_IS_AUTOMABLE;

  1489.                         needsCtrlIn = true;

  1490.                     }

  1491. 

  1492.                     // MIDI CC value

  1493.                     const LV2_RDF_PortMidiMap* const portMidiMap = &rdf_descriptor->Ports[i].MidiMap;

  1494.                     if (LV2_IS_PORT_MIDI_MAP_CC(portMidiMap->Type))

  1495.                     {

  1496.                         if (! MIDI_IS_CONTROL_BANK_SELECT(portMidiMap->Number))

  1497.                             param.data[j].midiCC = portMidiMap->Number;

  1498.                     }

  1499.                 }

  1500.                 else if (LV2_IS_PORT_OUTPUT(portType))

  1501.                 {

  1502.                     if (LV2_IS_PORT_DESIGNATION_LATENCY(portDesignation))

  1503.                     {

  1504.                         min = 0.0;

  1505.                         max = sampleRate;

  1506.                         def = 0.0;

  1507.                         step = 1.0;

  1508.                         stepSmall = 1.0;

  1509.                         stepLarge = 1.0;

  1510. 

  1511.                         param.data[j].type  = PARAMETER_LATENCY;

  1512.                         param.data[j].hints = 0;

  1513.                     }

  1514.                     else if (LV2_IS_PORT_DESIGNATION_SAMPLE_RATE(portDesignation))

  1515.                     {

  1516.                         def = sampleRate;

  1517.                         step = 1.0;

  1518.                         stepSmall = 1.0;

  1519.                         stepLarge = 1.0;

  1520. 

  1521.                         param.data[j].type  = PARAMETER_SAMPLE_RATE;

  1522.                         param.data[j].hints = 0;

  1523.                     }

  1524.                     else if (LV2_IS_PORT_DESIGNATION_FREEWHEELING(portDesignation))

  1525.                     {

  1526.                         qWarning("Plugin has freewheeling output port, this should not happen!");

  1527.                     }

  1528.                     else if (LV2_IS_PORT_DESIGNATION_TIME(portDesignation))

  1529.                     {

  1530.                         param.data[j].type = PARAMETER_LV2_TIME;

  1531.                     }

  1532.                     else

  1533.                     {

  1534.                         param.data[j].type   = PARAMETER_OUTPUT;

  1535.                         param.data[j].hints |= PARAMETER_IS_ENABLED;

  1536.                         param.data[j].hints |= PARAMETER_IS_AUTOMABLE;

  1537.                         needsCtrlOut = true;

  1538.                     }

  1539.                 }

  1540.                 else

  1541.                 {

  1542.                     param.data[j].type = PARAMETER_UNKNOWN;

  1543.                     qWarning("WARNING - Got a broken Port (Control, but not input or output)");

  1544.                 }

  1545. 

  1546.                 // extra parameter hints

  1547.                 if (LV2_IS_PORT_ENUMERATION(portProps))

  1548.                     param.data[j].hints |= PARAMETER_USES_SCALEPOINTS;

  1549. 

  1550.                 if (LV2_IS_PORT_LOGARITHMIC(portProps))

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

  1552. 

  1553.                 if (LV2_IS_PORT_TRIGGER(portProps))

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

  1555. 

  1556.                 if (LV2_IS_PORT_STRICT_BOUNDS(portProps))

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

  1558. 

  1559.                 // check if parameter is not enabled or automable

  1560.                 if (LV2_IS_PORT_NOT_ON_GUI(portProps))

  1561.                     param.data[j].hints &= ~PARAMETER_IS_ENABLED;

  1562. 

  1563.                 if (LV2_IS_PORT_CAUSES_ARTIFACTS(portProps) || LV2_IS_PORT_EXPENSIVE(portProps) || LV2_IS_PORT_NOT_AUTOMATIC(portProps))

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

  1565. 

  1566.                 param.ranges[j].min = min;

  1567.                 param.ranges[j].max = max;

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

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

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

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

  1572. 

  1573.                 // Start parameters in their default values

  1574.                 paramBuffers[j] = def;

  1575. 

  1576.                 descriptor->connect_port(handle, i, &paramBuffers[j]);

  1577.                 if (h2) descriptor->connect_port(h2, i, &paramBuffers[j]);

  1578.             }

  1579.             else

  1580.             {

  1581.                 // Port Type not supported, but it's optional anyway

  1582.                 descriptor->connect_port(handle, i, nullptr);

  1583.                 if (h2) descriptor->connect_port(h2, i, nullptr);

  1584.             }

  1585.         }

  1586. 

  1587.         if (needsCtrlIn)

  1588.         {

  1589. #ifndef BUILD_BRIDGE

  1590.             if (carlaOptions.processMode != PROCESS_MODE_MULTIPLE_CLIENTS)

  1591.             {

  1592.                 strcpy(portName, m_name);

  1593.                 strcat(portName, ":control-in");

  1594.             }

  1595.             else

  1596. #endif

  1597.                 strcpy(portName, "control-in");

  1598. 

  1599.             param.portCin = (CarlaEngineControlPort*)x_client->addPort(CarlaEnginePortTypeControl, portName, true);

  1600.         }

  1601. 

  1602.         if (needsCtrlOut)

  1603.         {

  1604. #ifndef BUILD_BRIDGE

  1605.             if (carlaOptions.processMode != PROCESS_MODE_MULTIPLE_CLIENTS)

  1606.             {

  1607.                 strcpy(portName, m_name);

  1608.                 strcat(portName, ":control-out");

  1609.             }

  1610.             else

  1611. #endif

  1612.                 strcpy(portName, "control-out");

  1613. 

  1614.             param.portCout = (CarlaEngineControlPort*)x_client->addPort(CarlaEnginePortTypeControl, portName, false);

  1615.         }

  1616. 

  1617.         aIn.count   = aIns;

  1618.         aOut.count  = aOuts;

  1619.         evIn.count  = evIns.size();

  1620.         evOut.count = evOuts.size();

  1621.         param.count = params;

  1622. 

  1623.         // plugin checks

  1624.         m_hints &= ~(PLUGIN_IS_SYNTH | PLUGIN_USES_CHUNKS | PLUGIN_CAN_DRYWET | PLUGIN_CAN_VOLUME | PLUGIN_CAN_BALANCE);

  1625. 

  1626.         if (LV2_IS_GENERATOR(rdf_descriptor->Type))

  1627.             m_hints |= PLUGIN_IS_SYNTH;

  1628. 

  1629.         if (aOuts > 0 && (aIns == aOuts || aIns == 1))

  1630.             m_hints |= PLUGIN_CAN_DRYWET;

  1631. 

  1632.         if (aOuts > 0)

  1633.             m_hints |= PLUGIN_CAN_VOLUME;

  1634. 

  1635.         if (aOuts >= 2 && aOuts%2 == 0)

  1636.             m_hints |= PLUGIN_CAN_BALANCE;

  1637. 

  1638.         // check extensions

  1639.         ext.state      = nullptr;

  1640.         ext.worker     = nullptr;

  1641.         ext.programs   = nullptr;

  1642. 

  1643.         if (descriptor->extension_data)

  1644.         {

  1645.             if (m_hints & PLUGIN_HAS_EXTENSION_PROGRAMS)

  1646.                 ext.programs = (const LV2_Programs_Interface*)descriptor->extension_data(LV2_PROGRAMS__Interface);

  1647. 

  1648.             if (m_hints & PLUGIN_HAS_EXTENSION_STATE)

  1649.                 ext.state = (const LV2_State_Interface*)descriptor->extension_data(LV2_STATE__interface);

  1650. 

  1651.             if (m_hints & PLUGIN_HAS_EXTENSION_WORKER)

  1652.                 ext.worker = (const LV2_Worker_Interface*)descriptor->extension_data(LV2_WORKER__interface);

  1653.         }

  1654. 

  1655.         reloadPrograms(true);

  1656. 

  1657.         x_client->activate();

  1658. 

  1659.         qDebug("Lv2Plugin::reload() - end");

  1660.     }

  1661. 

  1662.     void reloadPrograms(const bool init)

  1663.     {

  1664.         qDebug("Lv2Plugin::reloadPrograms(%s)", bool2str(init));

  1665.         uint32_t i, oldCount = midiprog.count;

  1666. 

  1667.         // Delete old programs

  1668.         if (midiprog.count > 0)

  1669.         {

  1670.             for (i=0; i < midiprog.count; i++)

  1671.             {

  1672.                 if (midiprog.data[i].name)

  1673.                     free((void*)midiprog.data[i].name);

  1674.             }

  1675. 

  1676.             delete[] midiprog.data;

  1677.         }

  1678. 

  1679.         midiprog.count = 0;

  1680.         midiprog.data  = nullptr;

  1681. 

  1682.         // Query new programs

  1683.         if (ext.programs && ext.programs->get_program && ext.programs->select_program)

  1684.         {

  1685.             while (ext.programs->get_program(handle, midiprog.count))

  1686.                 midiprog.count += 1;

  1687.         }

  1688. 

  1689.         if (midiprog.count > 0)

  1690.             midiprog.data = new midi_program_t[midiprog.count];

  1691. 

  1692.         // Update data

  1693.         for (i=0; i < midiprog.count; i++)

  1694.         {

  1695.             const LV2_Program_Descriptor* const pdesc = ext.programs->get_program(handle, i);

  1696.             Q_ASSERT(pdesc);

  1697.             Q_ASSERT(pdesc->program < 128);

  1698.             Q_ASSERT(pdesc->name);

  1699. 

  1700.             midiprog.data[i].bank    = pdesc->bank;

  1701.             midiprog.data[i].program = pdesc->program;

  1702.             midiprog.data[i].name    = strdup(pdesc->name);

  1703.         }

  1704. 

  1705. #ifndef BUILD_BRIDGE

  1706.         // Update OSC Names

  1707.         x_engine->osc_send_set_midi_program_count(m_id, midiprog.count);

  1708. 

  1709.         for (i=0; i < midiprog.count; i++)

  1710.             x_engine->osc_send_set_midi_program_data(m_id, i, midiprog.data[i].bank, midiprog.data[i].program, midiprog.data[i].name);

  1711. #endif

  1712. 

  1713.         if (init)

  1714.         {

  1715.             if (midiprog.count > 0)

  1716.                 setMidiProgram(0, false, false, false, true);

  1717.         }

  1718.         else

  1719.         {

  1720.             x_engine->callback(CALLBACK_RELOAD_PROGRAMS, m_id, 0, 0, 0.0);

  1721. 

  1722.             // Check if current program is invalid

  1723.             bool programChanged = false;

  1724. 

  1725.             if (midiprog.count == oldCount+1)

  1726.             {

  1727.                 // one midi program added, probably created by user

  1728.                 midiprog.current = oldCount;

  1729.                 programChanged   = true;

  1730.             }

  1731.             else if (midiprog.current >= (int32_t)midiprog.count)

  1732.             {

  1733.                 // current midi program > count

  1734.                 midiprog.current = 0;

  1735.                 programChanged   = true;

  1736.             }

  1737.             else if (midiprog.current < 0 && midiprog.count > 0)

  1738.             {

  1739.                 // programs exist now, but not before

  1740.                 midiprog.current = 0;

  1741.                 programChanged   = true;

  1742.             }

  1743.             else if (midiprog.current >= 0 && midiprog.count == 0)

  1744.             {

  1745.                 // programs existed before, but not anymore

  1746.                 midiprog.current = -1;

  1747.                 programChanged   = true;

  1748.             }

  1749. 

  1750.             if (programChanged)

  1751.                 setMidiProgram(midiprog.current, true, true, true, true);

  1752.         }

  1753.     }

  1754. 

  1755.     void prepareForSave()

  1756.     {

  1757.         if (ext.state && ext.state->save)

  1758.         {

  1759.             ext.state->save(handle, carla_lv2_state_store, this, LV2_STATE_IS_POD, features);

  1760.             if (h2) ext.state->save(h2, carla_lv2_state_store, this, LV2_STATE_IS_POD, features);

  1761.         }

  1762.     }

  1763. 

  1764.     // -------------------------------------------------------------------

  1765.     // Plugin processing

  1766. 

  1767.     void process(float** const inBuffer, float** const outBuffer, const uint32_t frames, const uint32_t framesOffset)

  1768.     {

  1769.         uint32_t i, k;

  1770.         uint32_t midiEventCount = 0;

  1771. 

  1772.         double aInsPeak[2]  = { 0.0 };

  1773.         double aOutsPeak[2] = { 0.0 };

  1774. 

  1775.         // handle midi from different APIs

  1776.         uint32_t evInAtomOffsets[evIn.count];

  1777.         LV2_Event_Iterator evInEventIters[evIn.count];

  1778.         LV2_MIDIState evInMidiStates[evIn.count];

  1779. 

  1780.         for (i=0; i < evIn.count; i++)

  1781.         {

  1782.             if (evIn.data[i].type & CARLA_EVENT_DATA_ATOM)

  1783.             {

  1784.                 evInAtomOffsets[i] = 0;

  1785.                 evIn.data[i].atom->atom.size = 0;

  1786.                 evIn.data[i].atom->atom.type = CARLA_URI_MAP_ID_ATOM_SEQUENCE;

  1787.                 evIn.data[i].atom->body.unit = CARLA_URI_MAP_ID_NULL;

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

  1789.             }

  1790.             else if (evIn.data[i].type & CARLA_EVENT_DATA_EVENT)

  1791.             {

  1792.                 lv2_event_buffer_reset(evIn.data[i].event, LV2_EVENT_AUDIO_STAMP, (uint8_t*)(evIn.data[i].event + 1));

  1793.                 lv2_event_begin(&evInEventIters[i], evIn.data[i].event);

  1794.             }

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

  1796.             {

  1797.                 evInMidiStates[i].midi = evIn.data[i].midi;

  1798.                 evInMidiStates[i].frame_count = frames;

  1799.                 evInMidiStates[i].position = 0;

  1800.                 evInMidiStates[i].midi->event_count = 0;

  1801.                 evInMidiStates[i].midi->size = 0;

  1802.             }

  1803.         }

  1804. 

  1805.         for (i=0; i < evOut.count; i++)

  1806.         {

  1807.             if (evOut.data[i].type & CARLA_EVENT_DATA_ATOM)

  1808.             {

  1809.                 evOut.data[i].atom->atom.size = 0;

  1810.                 evOut.data[i].atom->atom.type = CARLA_URI_MAP_ID_ATOM_SEQUENCE;

  1811.                 evOut.data[i].atom->body.unit = CARLA_URI_MAP_ID_NULL;

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

  1813.             }

  1814.             else if (evOut.data[i].type & CARLA_EVENT_DATA_EVENT)

  1815.             {

  1816.                 lv2_event_buffer_reset(evOut.data[i].event, LV2_EVENT_AUDIO_STAMP, (uint8_t*)(evOut.data[i].event + 1));

  1817.             }

  1818.             else if (evOut.data[i].type & CARLA_EVENT_DATA_MIDI_LL)

  1819.             {

  1820.                 // not needed

  1821.             }

  1822.         }

  1823. 

  1824.         CARLA_PROCESS_CONTINUE_CHECK;

  1825. 

  1826.         // --------------------------------------------------------------------------------------------------------

  1827.         // Input VU

  1828. 

  1829.         if (aIn.count > 0)

  1830.         {

  1831.             if (aIn.count == 1)

  1832.             {

  1833.                 for (k=0; k < frames; k++)

  1834.                 {

  1835.                     if (abs(inBuffer[0][k]) > aInsPeak[0])

  1836.                         aInsPeak[0] = abs(inBuffer[0][k]);

  1837.                 }

  1838.             }

  1839.             else if (aIn.count > 1)

  1840.             {

  1841.                 for (k=0; k < frames; k++)

  1842.                 {

  1843.                     if (abs(inBuffer[0][k]) > aInsPeak[0])

  1844.                         aInsPeak[0] = abs(inBuffer[0][k]);

  1845. 

  1846.                     if (abs(inBuffer[1][k]) > aInsPeak[1])

  1847.                         aInsPeak[1] = abs(inBuffer[1][k]);

  1848.                 }

  1849.             }

  1850.         }

  1851. 

  1852.         CARLA_PROCESS_CONTINUE_CHECK;

  1853. 

  1854.         // --------------------------------------------------------------------------------------------------------

  1855.         // Parameters Input [Automation]

  1856. 

  1857.         if (param.portCin && m_active && m_activeBefore)

  1858.         {

  1859.             bool allNotesOffSent = false;

  1860. 

  1861.             const CarlaEngineControlEvent* cinEvent;

  1862.             uint32_t time, nEvents = param.portCin->getEventCount();

  1863. 

  1864.             uint32_t nextBankId = 0;

  1865.             if (midiprog.current >= 0 && midiprog.count > 0)

  1866.                 nextBankId = midiprog.data[midiprog.current].bank;

  1867. 

  1868.             for (i=0; i < nEvents; i++)

  1869.             {

  1870.                 cinEvent = param.portCin->getEvent(i);

  1871. 

  1872.                 if (! cinEvent)

  1873.                     continue;

  1874. 

  1875.                 time = cinEvent->time - framesOffset;

  1876. 

  1877.                 if (time >= frames)

  1878.                     continue;

  1879. 

  1880.                 // Control change

  1881.                 switch (cinEvent->type)

  1882.                 {

  1883.                 case CarlaEngineEventNull:

  1884.                     break;

  1885. 

  1886.                 case CarlaEngineEventControlChange:

  1887.                 {

  1888.                     double value;

  1889. 

  1890.                     // Control backend stuff

  1891.                     if (cinEvent->channel == m_ctrlInChannel)

  1892.                     {

  1893.                         if (MIDI_IS_CONTROL_BREATH_CONTROLLER(cinEvent->controller) && (m_hints & PLUGIN_CAN_DRYWET) > 0)

  1894.                         {

  1895.                             value = cinEvent->value;

  1896.                             setDryWet(value, false, false);

  1897.                             postponeEvent(PluginPostEventParameterChange, PARAMETER_DRYWET, 0, value);

  1898.                             continue;

  1899.                         }

  1900. 

  1901.                         if (MIDI_IS_CONTROL_CHANNEL_VOLUME(cinEvent->controller) && (m_hints & PLUGIN_CAN_VOLUME) > 0)

  1902.                         {

  1903.                             value = cinEvent->value*127/100;

  1904.                             setVolume(value, false, false);

  1905.                             postponeEvent(PluginPostEventParameterChange, PARAMETER_VOLUME, 0, value);

  1906.                             continue;

  1907.                         }

  1908. 

  1909.                         if (MIDI_IS_CONTROL_BALANCE(cinEvent->controller) && (m_hints & PLUGIN_CAN_BALANCE) > 0)

  1910.                         {

  1911.                             double left, right;

  1912.                             value = cinEvent->value/0.5 - 1.0;

  1913. 

  1914.                             if (value < 0.0)

  1915.                             {

  1916.                                 left  = -1.0;

  1917.                                 right = (value*2)+1.0;

  1918.                             }

  1919.                             else if (value > 0.0)

  1920.                             {

  1921.                                 left  = (value*2)-1.0;

  1922.                                 right = 1.0;

  1923.                             }

  1924.                             else

  1925.                             {

  1926.                                 left  = -1.0;

  1927.                                 right = 1.0;

  1928.                             }

  1929. 

  1930.                             setBalanceLeft(left, false, false);

  1931.                             setBalanceRight(right, false, false);

  1932.                             postponeEvent(PluginPostEventParameterChange, PARAMETER_BALANCE_LEFT, 0, left);

  1933.                             postponeEvent(PluginPostEventParameterChange, PARAMETER_BALANCE_RIGHT, 0, right);

  1934.                             continue;

  1935.                         }

  1936.                     }

  1937. 

  1938.                     // Control plugin parameters

  1939.                     for (k=0; k < param.count; k++)

  1940.                     {

  1941.                         if (param.data[k].midiChannel != cinEvent->channel)

  1942.                             continue;

  1943.                         if (param.data[k].midiCC != cinEvent->controller)

  1944.                             continue;

  1945.                         if (param.data[k].type != PARAMETER_INPUT)

  1946.                             continue;

  1947. 

  1948.                         if (param.data[k].hints & PARAMETER_IS_AUTOMABLE)

  1949.                         {

  1950.                             if (param.data[k].hints & PARAMETER_IS_BOOLEAN)

  1951.                             {

  1952.                                 value = cinEvent->value < 0.5 ? param.ranges[k].min : param.ranges[k].max;

  1953.                             }

  1954.                             else

  1955.                             {

  1956.                                 value = cinEvent->value * (param.ranges[k].max - param.ranges[k].min) + param.ranges[k].min;

  1957. 

  1958.                                 if (param.data[k].hints & PARAMETER_IS_INTEGER)

  1959.                                     value = rint(value);

  1960.                             }

  1961. 

  1962.                             setParameterValue(k, value, false, false, false);

  1963.                             postponeEvent(PluginPostEventParameterChange, k, 0, value);

  1964.                         }

  1965.                     }

  1966. 

  1967.                     break;

  1968.                 }

  1969. 

  1970.                 case CarlaEngineEventMidiBankChange:

  1971.                     if (cinEvent->channel == m_ctrlInChannel)

  1972.                         nextBankId = rint(cinEvent->value);

  1973.                     break;

  1974. 

  1975.                 case CarlaEngineEventMidiProgramChange:

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

  1977.                     {

  1978.                         uint32_t nextProgramId = rint(cinEvent->value);

  1979. 

  1980.                         for (k=0; k < midiprog.count; k++)

  1981.                         {

  1982.                             if (midiprog.data[k].bank == nextBankId && midiprog.data[k].program == nextProgramId)

  1983.                             {

  1984.                                 setMidiProgram(k, false, false, false, false);

  1985.                                 postponeEvent(PluginPostEventMidiProgramChange, k, 0, 0.0);

  1986.                                 break;

  1987.                             }

  1988.                         }

  1989.                     }

  1990.                     break;

  1991. 

  1992.                 case CarlaEngineEventAllSoundOff:

  1993.                     if (cinEvent->channel == m_ctrlInChannel)

  1994.                     {

  1995.                         if (midi.portMin && ! allNotesOffSent)

  1996.                             sendMidiAllNotesOff();

  1997. 

  1998.                         if (descriptor->deactivate)

  1999.                         {

  2000.                             descriptor->deactivate(handle);

  2001.                             if (h2) descriptor->deactivate(h2);

  2002.                         }

  2003. 

  2004.                         if (descriptor->activate)

  2005.                         {

  2006.                             descriptor->activate(handle);

  2007.                             if (h2) descriptor->activate(h2);

  2008.                         }

  2009. 

  2010.                         allNotesOffSent = true;

  2011.                     }

  2012.                     break;

  2013. 

  2014.                 case CarlaEngineEventAllNotesOff:

  2015.                     if (cinEvent->channel == m_ctrlInChannel)

  2016.                     {

  2017.                         if (midi.portMin && ! allNotesOffSent)

  2018.                             sendMidiAllNotesOff();

  2019. 

  2020.                         allNotesOffSent = true;

  2021.                     }

  2022.                     break;

  2023.                 }

  2024.             }

  2025.         } // End of Parameters Input

  2026. 

  2027.         CARLA_PROCESS_CONTINUE_CHECK;

  2028. 

  2029.         // --------------------------------------------------------------------------------------------------------

  2030.         // MIDI Input

  2031. 

  2032.         if (evIn.count > 0 && m_active && m_activeBefore)

  2033.         {

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

  2035.             // MIDI Input (External)

  2036. 

  2037.             if (evIn.count > 0 && m_ctrlInChannel >= 0 && m_ctrlInChannel < 16)

  2038.             {

  2039.                 engineMidiLock();

  2040. 

  2041.                 for (i=0; i < MAX_MIDI_EVENTS && midiEventCount < MAX_MIDI_EVENTS; i++)

  2042.                 {

  2043.                     if (extMidiNotes[i].channel < 0)

  2044.                         break;

  2045. 

  2046.                     uint8_t midiEvent[3] = { 0 };

  2047.                     midiEvent[0] = m_ctrlInChannel + extMidiNotes[i].velo ? MIDI_STATUS_NOTE_ON : MIDI_STATUS_NOTE_OFF;

  2048.                     midiEvent[1] = extMidiNotes[i].note;

  2049.                     midiEvent[2] = extMidiNotes[i].velo;

  2050. 

  2051.                     // send to all midi inputs

  2052.                     for (k=0; k < evIn.count; k++)

  2053.                     {

  2054.                         if (evIn.data[k].type & CARLA_EVENT_TYPE_MIDI)

  2055.                         {

  2056.                             if (evIn.data[k].type & CARLA_EVENT_DATA_ATOM)

  2057.                             {

  2058.                                 LV2_Atom_Event* const aev = (LV2_Atom_Event*)((char*)LV2_ATOM_CONTENTS(LV2_Atom_Sequence, evIn.data[k].atom) + evInAtomOffsets[k]);

  2059.                                 aev->time.frames = 0;

  2060.                                 aev->body.type   = CARLA_URI_MAP_ID_MIDI_EVENT;

  2061.                                 aev->body.size   = 3;

  2062.                                 memcpy(LV2_ATOM_BODY(&aev->body), midiEvent, 3);

  2063. 

  2064.                                 const uint32_t padSize = lv2_atom_pad_size(sizeof(LV2_Atom_Event) + 3);

  2065.                                 evInAtomOffsets[k]           += padSize;

  2066.                                 evIn.data[k].atom->atom.size += padSize;

  2067.                             }

  2068.                             else if (evIn.data[k].type & CARLA_EVENT_DATA_EVENT)

  2069.                             {

  2070.                                 lv2_event_write(&evInEventIters[k], 0, 0, CARLA_URI_MAP_ID_MIDI_EVENT, 3, midiEvent);

  2071.                             }

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

  2073.                             {

  2074.                                 lv2midi_put_event(&evInMidiStates[k], 0, 3, midiEvent);

  2075.                             }

  2076.                         }

  2077.                     }

  2078. 

  2079.                     extMidiNotes[i].channel = -1; // mark as invalid

  2080.                     midiEventCount += 1;

  2081.                 }

  2082. 

  2083.                 engineMidiUnlock();

  2084. 

  2085.             } // End of MIDI Input (External)

  2086. 

  2087.             CARLA_PROCESS_CONTINUE_CHECK;

  2088. 

  2089.             // ----------------------------------------------------------------------------------------------------

  2090.             // MIDI Input (System)

  2091. 

  2092.             {

  2093.                 for (i=0; i < evIn.count; i++)

  2094.                 {

  2095.                     if (! evIn.data[i].port)

  2096.                         continue;

  2097. 

  2098.                     const CarlaEngineMidiEvent* minEvent;

  2099.                     uint32_t time, nEvents = evIn.data[i].port->getEventCount();

  2100. 

  2101.                     for (k=0; k < nEvents && midiEventCount < MAX_MIDI_EVENTS; k++)

  2102.                     {

  2103.                         minEvent = evIn.data[i].port->getEvent(k);

  2104. 

  2105.                         if (! minEvent)

  2106.                             continue;

  2107. 

  2108.                         time = minEvent->time - framesOffset;

  2109. 

  2110.                         if (time >= frames)

  2111.                             continue;

  2112. 

  2113.                         uint8_t status  = minEvent->data[0];

  2114.                         uint8_t channel = status & 0x0F;

  2115. 

  2116.                         // Fix bad note-off

  2117.                         if (MIDI_IS_STATUS_NOTE_ON(status) && minEvent->data[2] == 0)

  2118.                             status -= 0x10;

  2119. 

  2120.                         // only write supported status types

  2121.                         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))

  2122.                         {

  2123.                             if (evIn.data[i].type & CARLA_EVENT_DATA_ATOM)

  2124.                             {

  2125.                                 LV2_Atom_Event* const aev = (LV2_Atom_Event*)((char*)LV2_ATOM_CONTENTS(LV2_Atom_Sequence, evIn.data[i].atom) + evInAtomOffsets[i]);

  2126.                                 aev->time.frames = time;

  2127.                                 aev->body.type   = CARLA_URI_MAP_ID_MIDI_EVENT;

  2128.                                 aev->body.size   = minEvent->size;

  2129.                                 memcpy(LV2_ATOM_BODY(&aev->body), minEvent->data, minEvent->size);

  2130. 

  2131.                                 const uint32_t padSize = lv2_atom_pad_size(sizeof(LV2_Atom_Event) + minEvent->size);

  2132.                                 evInAtomOffsets[i]           += padSize;

  2133.                                 evIn.data[i].atom->atom.size += padSize;

  2134.                             }

  2135.                             else if (evIn.data[i].type & CARLA_EVENT_DATA_EVENT)

  2136.                             {

  2137.                                 lv2_event_write(&evInEventIters[i], time, 0, CARLA_URI_MAP_ID_MIDI_EVENT, minEvent->size, minEvent->data);

  2138.                             }

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

  2140.                             {

  2141.                                 lv2midi_put_event(&evInMidiStates[i], time, minEvent->size, minEvent->data);

  2142.                             }

  2143. 

  2144.                             if (MIDI_IS_STATUS_NOTE_OFF(status))

  2145.                                 postponeEvent(PluginPostEventNoteOff, channel, minEvent->data[1], 0.0);

  2146.                             else if (MIDI_IS_STATUS_NOTE_ON(status))

  2147.                                 postponeEvent(PluginPostEventNoteOn, channel, minEvent->data[1], minEvent->data[2]);

  2148.                         }

  2149. 

  2150.                         midiEventCount += 1;

  2151.                     }

  2152.                 }

  2153.             } // End of MIDI Input (System)

  2154. 

  2155.         } // End of MIDI Input

  2156. 

  2157.         CARLA_PROCESS_CONTINUE_CHECK;

  2158. 

  2159.         // --------------------------------------------------------------------------------------------------------

  2160.         // Special Parameters

  2161. 

  2162.         {

  2163.             int32_t rindex;

  2164.             const CarlaTimeInfo* const timeInfo = x_engine->getTimeInfo();

  2165. 

  2166.             for (k=0; k < param.count; k++)

  2167.             {

  2168.                 if (param.data[k].type == PARAMETER_LATENCY)

  2169.                 {

  2170.                     // TODO

  2171.                 }

  2172.                 else if (param.data[k].type == PARAMETER_LV2_FREEWHEEL)

  2173.                 {

  2174.                     setParameterValue(k, x_engine->isOffline() ? 1.0 : 0.0, false, false, false);

  2175.                 }

  2176.                 else if (param.data[k].type == PARAMETER_LV2_TIME)

  2177.                 {

  2178.                     rindex = param.data[k].rindex;

  2179.                     Q_ASSERT(rindex >= 0 && rindex < (int32_t)rdf_descriptor->PortCount);

  2180. 

  2181.                     switch (rdf_descriptor->Ports[rindex].Designation)

  2182.                     {

  2183.                     case LV2_PORT_DESIGNATION_TIME_BAR:

  2184.                         if (timeInfo->valid & CarlaEngineTimeBBT)

  2185.                             setParameterValue(k, timeInfo->bbt.bar, false, false, false);

  2186.                         break;

  2187.                     case LV2_PORT_DESIGNATION_TIME_BAR_BEAT:

  2188.                         if (timeInfo->valid & CarlaEngineTimeBBT)

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

  2190.                         break;

  2191.                     case LV2_PORT_DESIGNATION_TIME_BEAT:

  2192.                         if (timeInfo->valid & CarlaEngineTimeBBT)

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

  2194.                         break;

  2195.                     case LV2_PORT_DESIGNATION_TIME_BEAT_UNIT:

  2196.                         if (timeInfo->valid & CarlaEngineTimeBBT)

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

  2198.                         break;

  2199.                     case LV2_PORT_DESIGNATION_TIME_BEATS_PER_BAR:

  2200.                         if (timeInfo->valid & CarlaEngineTimeBBT)

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

  2202.                         break;

  2203.                     case LV2_PORT_DESIGNATION_TIME_BEATS_PER_MINUTE:

  2204.                         if (timeInfo->valid & CarlaEngineTimeBBT)

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

  2206.                         break;

  2207. 

  2208.                     case LV2_PORT_DESIGNATION_TIME_FRAME:

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

  2210.                         break;

  2211.                     case LV2_PORT_DESIGNATION_TIME_FRAMES_PER_SECOND:

  2212.                         break;

  2213.                     case LV2_PORT_DESIGNATION_TIME_POSITION:

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

  2215.                         break;

  2216.                     case LV2_PORT_DESIGNATION_TIME_SPEED:

  2217.                         setParameterValue(k, timeInfo->playing ? 1.0 : 0.0, false, false, false);

  2218.                         break;

  2219.                     }

  2220.                 }

  2221.             }

  2222.         }

  2223. 

  2224.         CARLA_PROCESS_CONTINUE_CHECK;

  2225. 

  2226.         // --------------------------------------------------------------------------------------------------------

  2227.         // Plugin processing

  2228. 

  2229.         if (m_active)

  2230.         {

  2231.             if (! m_activeBefore)

  2232.             {

  2233.                 if (evIn.count > 0 && m_ctrlInChannel >= 0 && m_ctrlInChannel < 16)

  2234.                 {

  2235.                     uint8_t midiEvent1[2] = { 0 };

  2236.                     midiEvent1[0] = MIDI_STATUS_CONTROL_CHANGE + m_ctrlInChannel;

  2237.                     midiEvent1[1] = MIDI_CONTROL_ALL_SOUND_OFF;

  2238. 

  2239.                     uint8_t midiEvent2[2] = { 0 };

  2240.                     midiEvent2[0] = MIDI_STATUS_CONTROL_CHANGE + m_ctrlInChannel;

  2241.                     midiEvent2[1] = MIDI_CONTROL_ALL_SOUND_OFF;

  2242. 

  2243.                     // send to all midi inputs

  2244.                     for (k=0; k < evIn.count; k++)

  2245.                     {

  2246.                         if (evIn.data[k].type & CARLA_EVENT_TYPE_MIDI)

  2247.                         {

  2248.                             if (evIn.data[k].type & CARLA_EVENT_DATA_ATOM)

  2249.                             {

  2250.                                 // all sound off

  2251.                                 LV2_Atom_Event* const aev1 = (LV2_Atom_Event*)((char*)LV2_ATOM_CONTENTS(LV2_Atom_Sequence, evIn.data[k].atom) + evInAtomOffsets[k]);

  2252.                                 aev1->time.frames = 0;

  2253.                                 aev1->body.type   = CARLA_URI_MAP_ID_MIDI_EVENT;

  2254.                                 aev1->body.size   = 2;

  2255.                                 memcpy(LV2_ATOM_BODY(&aev1->body), midiEvent1, 2);

  2256. 

  2257.                                 const uint32_t padSize = lv2_atom_pad_size(sizeof(LV2_Atom_Event) + 2);

  2258.                                 evInAtomOffsets[k]           += padSize;

  2259.                                 evIn.data[k].atom->atom.size += padSize;

  2260. 

  2261.                                 // all notes off

  2262.                                 LV2_Atom_Event* const aev2 = (LV2_Atom_Event*)((char*)LV2_ATOM_CONTENTS(LV2_Atom_Sequence, evIn.data[k].atom) + evInAtomOffsets[k]);

  2263.                                 aev2->time.frames = 0;

  2264.                                 aev2->body.type   = CARLA_URI_MAP_ID_MIDI_EVENT;

  2265.                                 aev2->body.size   = 2;

  2266.                                 memcpy(LV2_ATOM_BODY(&aev2->body), midiEvent2, 2);

  2267. 

  2268.                                 evInAtomOffsets[k]           += padSize;

  2269.                                 evIn.data[k].atom->atom.size += padSize;

  2270.                             }

  2271.                             else if (evIn.data[k].type & CARLA_EVENT_DATA_EVENT)

  2272.                             {

  2273.                                 lv2_event_write(&evInEventIters[k], 0, 0, CARLA_URI_MAP_ID_MIDI_EVENT, 2, midiEvent1);

  2274.                                 lv2_event_write(&evInEventIters[k], 0, 0, CARLA_URI_MAP_ID_MIDI_EVENT, 2, midiEvent2);

  2275.                             }

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

  2277.                             {

  2278.                                 lv2midi_put_event(&evInMidiStates[k], 0, 2, midiEvent1);

  2279.                                 lv2midi_put_event(&evInMidiStates[k], 0, 2, midiEvent2);

  2280.                             }

  2281.                         }

  2282.                     }

  2283. 

  2284.                     midiEventCount = 2;

  2285.                 }

  2286. 

  2287.                 if (descriptor->activate)

  2288.                 {

  2289.                     descriptor->activate(handle);

  2290.                     if (h2) descriptor->activate(h2);

  2291.                 }

  2292.             }

  2293. 

  2294.             for (i=0; i < aIn.count; i++)

  2295.             {

  2296.                 if (i == 0 || ! h2) descriptor->connect_port(handle, aIn.rindexes[i], inBuffer[i]);

  2297.                 if (i == 1 && h2) descriptor->connect_port(h2, aIn.rindexes[i], inBuffer[i]);

  2298.             }

  2299. 

  2300.             for (i=0; i < aOut.count; i++)

  2301.             {

  2302.                 if (i == 0 || ! h2) descriptor->connect_port(handle, aOut.rindexes[i], outBuffer[i]);

  2303.                 if (i == 1 && h2)   descriptor->connect_port(h2, aOut.rindexes[i], outBuffer[i]);

  2304.             }

  2305. 

  2306.             descriptor->run(handle, frames);

  2307.             if (h2) descriptor->run(h2, frames);

  2308. 

  2309.             if (ext.worker)

  2310.             {

  2311.                 // TODO

  2312.                 //ext.worker->work_response();

  2313. 

  2314.                 if (ext.worker->end_run)

  2315.                 {

  2316.                     ext.worker->end_run(handle);

  2317.                     if (h2) ext.worker->end_run(h2);

  2318.                 }

  2319.             }

  2320.         }

  2321.         else

  2322.         {

  2323.             if (m_activeBefore)

  2324.             {

  2325.                 if (descriptor->deactivate)

  2326.                 {

  2327.                     descriptor->deactivate(handle);

  2328.                     if (h2) descriptor->deactivate(h2);

  2329.                 }

  2330.             }

  2331.         }

  2332. 

  2333.         CARLA_PROCESS_CONTINUE_CHECK;

  2334. 

  2335.         // --------------------------------------------------------------------------------------------------------

  2336.         // Post-processing (dry/wet, volume and balance)

  2337. 

  2338.         if (m_active)

  2339.         {

  2340.             bool do_drywet  = (m_hints & PLUGIN_CAN_DRYWET) > 0 && x_dryWet != 1.0;

  2341.             bool do_volume  = (m_hints & PLUGIN_CAN_VOLUME) > 0 && x_volume != 1.0;

  2342.             bool do_balance = (m_hints & PLUGIN_CAN_BALANCE) > 0 && (x_balanceLeft != -1.0 || x_balanceRight != 1.0);

  2343. 

  2344.             double bal_rangeL, bal_rangeR;

  2345.             float oldBufLeft[do_balance ? frames : 0];

  2346. 

  2347.             for (i=0; i < aOut.count; i++)

  2348.             {

  2349.                 // Dry/Wet

  2350.                 if (do_drywet)

  2351.                 {

  2352.                     for (k=0; k < frames; k++)

  2353.                     {

  2354.                         if (aOut.count == 1)

  2355.                             outBuffer[i][k] = (outBuffer[i][k]*x_dryWet)+(inBuffer[0][k]*(1.0-x_dryWet));

  2356.                         else

  2357.                             outBuffer[i][k] = (outBuffer[i][k]*x_dryWet)+(inBuffer[i][k]*(1.0-x_dryWet));

  2358.                     }

  2359.                 }

  2360. 

  2361.                 // Balance

  2362.                 if (do_balance)

  2363.                 {

  2364.                     if (i%2 == 0)

  2365.                         memcpy(&oldBufLeft, outBuffer[i], sizeof(float)*frames);

  2366. 

  2367.                     bal_rangeL = (x_balanceLeft+1.0)/2;

  2368.                     bal_rangeR = (x_balanceRight+1.0)/2;

  2369. 

  2370.                     for (k=0; k < frames; k++)

  2371.                     {

  2372.                         if (i%2 == 0)

  2373.                         {

  2374.                             // left output

  2375.                             outBuffer[i][k]  = oldBufLeft[k]*(1.0-bal_rangeL);

  2376.                             outBuffer[i][k] += outBuffer[i+1][k]*(1.0-bal_rangeR);

  2377.                         }

  2378.                         else

  2379.                         {

  2380.                             // right

  2381.                             outBuffer[i][k]  = outBuffer[i][k]*bal_rangeR;

  2382.                             outBuffer[i][k] += oldBufLeft[k]*bal_rangeL;

  2383.                         }

  2384.                     }

  2385.                 }

  2386. 

  2387.                 // Volume

  2388.                 if (do_volume)

  2389.                 {

  2390.                     for (k=0; k < frames; k++)

  2391.                         outBuffer[i][k] *= x_volume;

  2392.                 }

  2393. 

  2394.                 // Output VU

  2395.                 for (k=0; i < 2 && k < frames; k++)

  2396.                 {

  2397.                     if (abs(outBuffer[i][k]) > aOutsPeak[i])

  2398.                         aOutsPeak[i] = abs(outBuffer[i][k]);

  2399.                 }

  2400.             }

  2401.         }

  2402.         else

  2403.         {

  2404.             // disable any output sound if not active

  2405.             for (i=0; i < aOut.count; i++)

  2406.                 memset(outBuffer[i], 0.0f, sizeof(float)*frames);

  2407. 

  2408.             aOutsPeak[0] = 0.0;

  2409.             aOutsPeak[1] = 0.0;

  2410. 

  2411.         } // End of Post-processing

  2412. 

  2413.         CARLA_PROCESS_CONTINUE_CHECK;

  2414. 

  2415.         // --------------------------------------------------------------------------------------------------------

  2416.         // Control Output

  2417. 

  2418.         if (param.portCout && m_active)

  2419.         {

  2420.             double value;

  2421. 

  2422.             for (k=0; k < param.count; k++)

  2423.             {

  2424.                 if (param.data[k].type == PARAMETER_OUTPUT)

  2425.                 {

  2426.                     fixParameterValue(paramBuffers[k], param.ranges[k]);

  2427. 

  2428.                     if (param.data[k].midiCC > 0)

  2429.                     {

  2430.                         value = (paramBuffers[k] - param.ranges[k].min) / (param.ranges[k].max - param.ranges[k].min);

  2431.                         param.portCout->writeEvent(CarlaEngineEventControlChange, framesOffset, param.data[k].midiChannel, param.data[k].midiCC, value);

  2432.                     }

  2433.                 }

  2434.             }

  2435.         } // End of Control Output

  2436. 

  2437.         CARLA_PROCESS_CONTINUE_CHECK;

  2438. 

  2439.         // --------------------------------------------------------------------------------------------------------

  2440.         // MIDI Output

  2441. 

  2442.         if (evOut.count > 0 && m_active)

  2443.         {

  2444.             for (i=0; i < evOut.count; i++)

  2445.             {

  2446.                 if (! evOut.data[i].port)

  2447.                     continue;

  2448. 

  2449.                 if (evOut.data[i].type & CARLA_EVENT_DATA_ATOM)

  2450.                 {

  2451.                     uint32_t size   = evOut.data[i].atom->atom.size - sizeof(LV2_Atom_Sequence_Body);

  2452.                     uint32_t offset = 0;

  2453. 

  2454.                     while (offset < size)

  2455.                     {

  2456.                         const LV2_Atom_Event* const aev = (LV2_Atom_Event*)((char*)LV2_ATOM_CONTENTS(LV2_Atom_Sequence, evOut.data[i].atom) + offset);

  2457. 

  2458.                         if ((! aev) || aev->body.type == CARLA_URI_MAP_ID_NULL)

  2459.                             break;

  2460. 

  2461.                         if (aev->body.type == CARLA_URI_MAP_ID_MIDI_EVENT)

  2462.                         {

  2463.                             const unsigned char* const data = (unsigned char*)LV2_ATOM_BODY(&aev->body);

  2464.                             evOut.data[i].port->writeEvent(aev->time.frames, data, aev->body.size);

  2465.                         }

  2466. 

  2467.                         offset += lv2_atom_pad_size(sizeof(LV2_Atom_Event) + aev->body.size);

  2468.                     }

  2469.                 }

  2470.                 else if (evOut.data[i].type & CARLA_EVENT_DATA_EVENT)

  2471.                 {

  2472.                     const LV2_Event* ev;

  2473.                     LV2_Event_Iterator iter;

  2474. 

  2475.                     uint8_t* data;

  2476.                     lv2_event_begin(&iter, evOut.data[i].event);

  2477. 

  2478.                     for (k=0; k < iter.buf->event_count; k++)

  2479.                     {

  2480.                         ev = lv2_event_get(&iter, &data);

  2481. 

  2482.                         if (ev && ev->type == CARLA_URI_MAP_ID_MIDI_EVENT && data)

  2483.                             evOut.data[i].port->writeEvent(ev->frames, data, ev->size);

  2484. 

  2485.                         lv2_event_increment(&iter);

  2486.                     }

  2487.                 }

  2488.                 else if (evOut.data[i].type & CARLA_EVENT_DATA_MIDI_LL)

  2489.                 {

  2490.                     LV2_MIDIState state = { evOut.data[i].midi, frames, 0 };

  2491. 

  2492.                     uint32_t eventSize;

  2493.                     double   eventTime;

  2494.                     unsigned char* eventData;

  2495. 

  2496.                     while (lv2midi_get_event(&state, &eventTime, &eventSize, &eventData) < frames)

  2497.                     {

  2498.                         evOut.data[i].port->writeEvent(eventTime, eventData, eventSize);

  2499.                         lv2midi_step(&state);

  2500.                     }

  2501.                 }

  2502.             }

  2503.         } // End of MIDI Output

  2504. 

  2505.         CARLA_PROCESS_CONTINUE_CHECK;

  2506. 

  2507.         // --------------------------------------------------------------------------------------------------------

  2508.         // Peak Values

  2509. 

  2510.         x_engine->setInputPeak(m_id, 0, aInsPeak[0]);

  2511.         x_engine->setInputPeak(m_id, 1, aInsPeak[1]);

  2512.         x_engine->setOutputPeak(m_id, 0, aOutsPeak[0]);

  2513.         x_engine->setOutputPeak(m_id, 1, aOutsPeak[1]);

  2514. 

  2515.         m_activeBefore = m_active;

  2516.     }

  2517. 

  2518.     void bufferSizeChanged(const uint32_t newBufferSize)

  2519.     {

  2520.         lv2Options.bufferSize = newBufferSize;

  2521.     }

  2522. 

  2523.     // -------------------------------------------------------------------

  2524.     // Post-poned events

  2525. 

  2526.     void uiParameterChange(const uint32_t index, const double value)

  2527.     {

  2528.         Q_ASSERT(index < param.count);

  2529. 

  2530.         if (index >= param.count)

  2531.             return;

  2532. 

  2533. #ifndef BUILD_BRIDGE

  2534.         if (gui.type == GUI_EXTERNAL_OSC)

  2535.         {

  2536.             if (osc.data.target)

  2537.                 osc_send_control(&osc.data, param.data[index].rindex, value);

  2538.         }

  2539.         else

  2540. #endif

  2541.         {

  2542.             if (ui.handle && ui.descriptor && ui.descriptor->port_event)

  2543.             {

  2544.                 float valueF = value;

  2545.                 ui.descriptor->port_event(ui.handle, param.data[index].rindex, sizeof(float), 0, &valueF);

  2546.             }

  2547.         }

  2548.     }

  2549. 

  2550.     void uiMidiProgramChange(const uint32_t index)

  2551.     {

  2552.         Q_ASSERT(index < midiprog.count);

  2553. 

  2554.         if (index >= midiprog.count)

  2555.             return;

  2556. 

  2557. #ifndef BUILD_BRIDGE

  2558.         if (gui.type == GUI_EXTERNAL_OSC)

  2559.         {

  2560.             if (osc.data.target)

  2561.                 osc_send_program(&osc.data, midiprog.data[index].bank, midiprog.data[index].program);

  2562.         }

  2563.         else

  2564. #endif

  2565.         {

  2566.             if (ext.uiprograms)

  2567.                 ext.uiprograms->select_program(ui.handle, midiprog.data[index].bank, midiprog.data[index].program);

  2568.         }

  2569.     }

  2570. 

  2571.     void uiNoteOn(const uint8_t channel, const uint8_t note, const uint8_t velo)

  2572.     {

  2573.         Q_ASSERT(channel < 16);

  2574.         Q_ASSERT(note < 128);

  2575.         Q_ASSERT(velo < 128);

  2576. 

  2577. #ifndef BUILD_BRIDGE

  2578.         if (gui.type == GUI_EXTERNAL_OSC)

  2579.         {

  2580.             if (osc.data.target)

  2581.             {

  2582.                 uint8_t midiData[4] = { 0 };

  2583.                 midiData[1] = MIDI_STATUS_NOTE_ON + channel;

  2584.                 midiData[2] = note;

  2585.                 midiData[3] = velo;

  2586.                 osc_send_midi(&osc.data, midiData);

  2587.             }

  2588.         }

  2589.         else

  2590. #endif

  2591.         {

  2592.             uiTransferAtom(); // TODO

  2593.         }

  2594.     }

  2595. 

  2596.     void uiNoteOff(const uint8_t channel, const uint8_t note)

  2597.     {

  2598.         Q_ASSERT(channel < 16);

  2599.         Q_ASSERT(note < 128);

  2600. 

  2601. #ifndef BUILD_BRIDGE

  2602.         if (gui.type == GUI_EXTERNAL_OSC)

  2603.         {

  2604.             if (osc.data.target)

  2605.             {

  2606.                 uint8_t midiData[4] = { 0 };

  2607.                 midiData[1] = MIDI_STATUS_NOTE_OFF + channel;

  2608.                 midiData[2] = note;

  2609.                 osc_send_midi(&osc.data, midiData);

  2610.             }

  2611.         }

  2612.         else

  2613. #endif

  2614.         {

  2615.             uiTransferAtom(); // TODO

  2616.         }

  2617.     }

  2618. 

  2619.     // -------------------------------------------------------------------

  2620.     // Cleanup

  2621. 

  2622.     void removeClientPorts()

  2623.     {

  2624.         qDebug("Lv2Plugin::removeClientPorts() - start");

  2625. 

  2626.         for (uint32_t i=0; i < evIn.count; i++)

  2627.         {

  2628.             if (evIn.data[i].port)

  2629.             {

  2630.                 delete evIn.data[i].port;

  2631.                 evIn.data[i].port = nullptr;

  2632.             }

  2633.         }

  2634. 

  2635.         for (uint32_t i=0; i < evOut.count; i++)

  2636.         {

  2637.             if (evOut.data[i].port)

  2638.             {

  2639.                 delete evOut.data[i].port;

  2640.                 evOut.data[i].port = nullptr;

  2641.             }

  2642.         }

  2643. 

  2644.         CarlaPlugin::removeClientPorts();

  2645. 

  2646.         qDebug("Lv2Plugin::removeClientPorts() - end");

  2647.     }

  2648. 

  2649.     void initBuffers()

  2650.     {

  2651.         uint32_t i;

  2652. 

  2653.         for (i=0; i < evIn.count; i++)

  2654.         {

  2655.             if (evIn.data[i].port)

  2656.                 evIn.data[i].port->initBuffer(x_engine);

  2657.         }

  2658. 

  2659.         for (uint32_t i=0; i < evOut.count; i++)

  2660.         {

  2661.             if (evOut.data[i].port)

  2662.                 evOut.data[i].port->initBuffer(x_engine);

  2663.         }

  2664. 

  2665.         CarlaPlugin::initBuffers();

  2666.     }

  2667. 

  2668.     void deleteBuffers()

  2669.     {

  2670.         qDebug("Lv2Plugin::deleteBuffers() - start");

  2671. 

  2672.         if (evIn.count > 0)

  2673.         {

  2674.             for (uint32_t i=0; i < evIn.count; i++)

  2675.             {

  2676.                 if (evIn.data[i].type & CARLA_EVENT_DATA_ATOM)

  2677.                 {

  2678.                     free(evIn.data[i].atom);

  2679.                 }

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

  2681.                 {

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

  2683.                 }

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

  2685.                 {

  2686.                     delete[] evIn.data[i].midi->data;

  2687.                     delete evIn.data[i].midi;

  2688.                 }

  2689.             }

  2690. 

  2691.             delete[] evIn.data;

  2692.         }

  2693. 

  2694.         if (evOut.count > 0)

  2695.         {

  2696.             for (uint32_t i=0; i < evOut.count; i++)

  2697.             {

  2698.                 if (evOut.data[i].type & CARLA_EVENT_DATA_ATOM)

  2699.                 {

  2700.                     free(evOut.data[i].atom);

  2701.                 }

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

  2703.                 {

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

  2705.                 }

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

  2707.                 {

  2708.                     delete[] evOut.data[i].midi->data;

  2709.                     delete evOut.data[i].midi;

  2710.                 }

  2711.             }

  2712. 

  2713.             delete[] evOut.data;

  2714.         }

  2715. 

  2716.         if (param.count > 0)

  2717.             delete[] paramBuffers;

  2718. 

  2719.         evIn.count = 0;

  2720.         evIn.data  = nullptr;

  2721. 

  2722.         evOut.count = 0;

  2723.         evOut.data  = nullptr;

  2724. 

  2725.         paramBuffers = nullptr;

  2726. 

  2727.         qDebug("Lv2Plugin::deleteBuffers() - end");

  2728.     }

  2729. 

  2730.     // -------------------------------------------------------------------

  2731. 

  2732.     uint32_t getCustomURID(const char* const uri)

  2733.     {

  2734.         qDebug("Lv2Plugin::getCustomURID(%s)", uri);

  2735.         Q_ASSERT(uri);

  2736. 

  2737.         if (! uri)

  2738.             return CARLA_URI_MAP_ID_NULL;

  2739. 

  2740.         for (size_t i=0; i < customURIDs.size(); i++)

  2741.         {

  2742.             if (customURIDs[i] && strcmp(customURIDs[i], uri) == 0)

  2743.                 return i;

  2744.         }

  2745. 

  2746.         customURIDs.push_back(strdup(uri));

  2747. 

  2748.         return customURIDs.size()-1;

  2749.     }

  2750. 

  2751.     const char* getCustomURIString(const LV2_URID urid) const

  2752.     {

  2753.         qDebug("Lv2Plugin::getCustomURIString(%i)", urid);

  2754.         Q_ASSERT(urid > CARLA_URI_MAP_ID_NULL);

  2755. 

  2756.         if (urid == CARLA_URI_MAP_ID_NULL)

  2757.             return nullptr;

  2758.         if (urid < customURIDs.size())

  2759.             return customURIDs[urid];

  2760. 

  2761.         return nullptr;

  2762.     }

  2763. 

  2764.     // -------------------------------------------------------------------

  2765. 

  2766.     void handleTransferAtom(const LV2_Atom* const atom, const char* const stype)

  2767.     {

  2768.         qDebug("Lv2Plugin::handleAtomTransfer(%p, \"%s\")", atom, stype);

  2769.         Q_ASSERT(atom);

  2770.         Q_ASSERT(stype);

  2771. 

  2772.         // TODO

  2773.     }

  2774. 

  2775.     void handleTransferEvent(const LV2_Atom* const atom, const char* const stype)

  2776.     {

  2777.         qDebug("Lv2Plugin::handleEventTransfer(%p, \"%s\")", atom, stype);

  2778.         Q_ASSERT(atom);

  2779.         Q_ASSERT(stype);

  2780. 

  2781.         const LV2_URID uridAtomBlank = getCustomURID(LV2_ATOM__Blank);

  2782.         const LV2_URID uridPatchBody = getCustomURID(LV2_PATCH__body);

  2783.         const LV2_URID uridPatchSet  = getCustomURID(LV2_PATCH__Set);

  2784. 

  2785.         if (atom->type != uridAtomBlank)

  2786.         {

  2787.             qWarning("Lv2Plugin::handleEventTransfer() - Not blank");

  2788.             return;

  2789.         }

  2790. 

  2791.         const LV2_Atom_Object* const obj = (LV2_Atom_Object*)atom;

  2792. 

  2793.         if (obj->body.otype != uridPatchSet)

  2794.         {

  2795.             qWarning("Lv2Plugin::handleEventTransfer() - Not Patch Set");

  2796.             return;

  2797.         }

  2798. 

  2799.         const LV2_Atom_Object* body = nullptr;

  2800.         lv2_atom_object_get(obj, uridPatchBody, &body, 0);

  2801. 

  2802.         if (! body)

  2803.         {

  2804.             qWarning("Lv2Plugin::handleEventTransfer() - Has no body");

  2805.             return;

  2806.         }

  2807. 

  2808.         LV2_ATOM_OBJECT_FOREACH(body, iter)

  2809.         {

  2810.             CustomDataType dtype  = CUSTOM_DATA_INVALID;

  2811.             const char* const key = getCustomURIString(iter->key);

  2812.             const char* value     = nullptr;

  2813. 

  2814.             if (iter->value.type == CARLA_URI_MAP_ID_ATOM_STRING || iter->value.type == CARLA_URI_MAP_ID_ATOM_PATH)

  2815.             {

  2816.                 value = strdup((const char*)LV2_ATOM_BODY(&iter->value));

  2817.                 dtype = (iter->value.type == CARLA_URI_MAP_ID_ATOM_STRING) ? CUSTOM_DATA_STRING : CUSTOM_DATA_PATH;

  2818.             }

  2819.             else if (iter->value.type == CARLA_URI_MAP_ID_ATOM_CHUNK || iter->value.type >= CARLA_URI_MAP_ID_COUNT)

  2820.             {

  2821.                 QByteArray chunk((const char*)LV2_ATOM_BODY(&iter->value), iter->value.size);

  2822.                 value = strdup(chunk.toBase64().constData());

  2823.                 dtype = (iter->value.type == CARLA_URI_MAP_ID_ATOM_CHUNK) ? CUSTOM_DATA_CHUNK : CUSTOM_DATA_BINARY; // FIXME - binary should be custom stype

  2824.             }

  2825.             else

  2826.                 value = strdup("");

  2827. 

  2828.             setCustomData(dtype, key, value, false);

  2829. 

  2830.             free((void*)value);

  2831.         }

  2832.     }

  2833. 

  2834.     // -------------------------------------------------------------------

  2835. 

  2836.     void handleProgramChanged(const int32_t index)

  2837.     {

  2838.         if (index == -1)

  2839.         {

  2840.             const CarlaPlugin::ScopedDisabler m(this);

  2841.             reloadPrograms(false);

  2842.         }

  2843.         else

  2844.         {

  2845.             if (index >= 0 && index < (int32_t)prog.count && ext.programs)

  2846.             {

  2847.                 const char* const progName = ext.programs->get_program(handle, index)->name;

  2848.                 Q_ASSERT(progName);

  2849. 

  2850.                 if (prog.names[index])

  2851.                     free((void*)prog.names[index]);

  2852. 

  2853.                 prog.names[index] = strdup(progName);

  2854.             }

  2855.         }

  2856. 

  2857.         x_engine->callback(CALLBACK_RELOAD_PROGRAMS, m_id, 0, 0, 0.0);

  2858.     }

  2859. 

  2860.     LV2_State_Status handleStateStore(const uint32_t key, const void* const value, const size_t size, const uint32_t type, const uint32_t flags)

  2861.     {

  2862.         Q_ASSERT(key > 0);

  2863.         Q_ASSERT(value);

  2864. 

  2865.         CustomDataType dtype;

  2866.         const char* const uriKey = getCustomURIString(key);

  2867. 

  2868.         if (type == CARLA_URI_MAP_ID_ATOM_CHUNK)

  2869.             dtype = CUSTOM_DATA_CHUNK;

  2870.         else if (type == CARLA_URI_MAP_ID_ATOM_PATH)

  2871.             dtype = CUSTOM_DATA_PATH;

  2872.         else if (type == CARLA_URI_MAP_ID_ATOM_STRING)

  2873.             dtype = CUSTOM_DATA_STRING;

  2874.         else if (type >= CARLA_URI_MAP_ID_COUNT)

  2875.             dtype = CUSTOM_DATA_BINARY;

  2876.         else

  2877.             dtype = CUSTOM_DATA_INVALID;

  2878. 

  2879.         // do basic checks

  2880.         if (! uriKey)

  2881.         {

  2882.             qWarning("Lv2Plugin::handleStateStore(%i, %p, " P_SIZE ", %i, %i) - invalid key", key, value, size, type, flags);

  2883.             return LV2_STATE_ERR_NO_PROPERTY;

  2884.         }

  2885. 

  2886.         if (! flags & LV2_STATE_IS_POD)

  2887.         {

  2888.             qWarning("Lv2Plugin::handleStateStore(%i, %p, " P_SIZE ", %i, %i) - invalid flags", key, value, size, type, flags);

  2889.             return LV2_STATE_ERR_BAD_FLAGS;

  2890.         }

  2891. 

  2892.         if (dtype == CUSTOM_DATA_INVALID)

  2893.         {

  2894.             qCritical("Lv2Plugin::handleStateStore(%i, %p, " P_SIZE ", %i, %i) - invalid type '%s'", key, value, size, type, flags, CustomDataType2str(dtype));

  2895.             return LV2_STATE_ERR_BAD_TYPE;

  2896.         }

  2897. 

  2898.         // Check if we already have this key

  2899.         for (size_t i=0; i < custom.size(); i++)

  2900.         {

  2901.             if (strcmp(custom[i].key, uriKey) == 0)

  2902.             {

  2903.                 free((void*)custom[i].value);

  2904. 

  2905.                 if (dtype == CUSTOM_DATA_STRING || dtype == CUSTOM_DATA_PATH)

  2906.                     custom[i].value = strdup((const char*)value);

  2907.                 else

  2908.                     custom[i].value = strdup(QByteArray((const char*)value, size).toBase64().constData());

  2909. 

  2910.                 return LV2_STATE_SUCCESS;

  2911.             }

  2912.         }

  2913. 

  2914.         // Otherwise store it

  2915.         CustomData newData;

  2916.         newData.type = dtype;

  2917.         newData.key  = strdup(uriKey);

  2918. 

  2919.         if (dtype == CUSTOM_DATA_STRING || dtype == CUSTOM_DATA_PATH)

  2920.             newData.value = strdup((const char*)value);

  2921.         else

  2922.             newData.value = strdup(QByteArray((const char*)value, size).toBase64().constData());

  2923. 

  2924.         custom.push_back(newData);

  2925. 

  2926.         return LV2_STATE_SUCCESS;

  2927.     }

  2928. 

  2929.     const void* handleStateRetrieve(const uint32_t key, size_t* const size, uint32_t* const type, uint32_t* const flags)

  2930.     {

  2931.         Q_ASSERT(key > CARLA_URI_MAP_ID_NULL);

  2932. 

  2933.         const char* const uriKey = getCustomURIString(key);

  2934. 

  2935.         if (! uriKey)

  2936.         {

  2937.             qCritical("Lv2Plugin::handleStateRetrieve(%i, %p, %p, %p) - failed to find key", key, size, type, flags);

  2938.             return nullptr;

  2939.         }

  2940. 

  2941.         const char* stringData = nullptr;

  2942.         CustomDataType dtype = CUSTOM_DATA_INVALID;

  2943. 

  2944.         for (size_t i=0; i < custom.size(); i++)

  2945.         {

  2946.             if (strcmp(custom[i].key, uriKey) == 0)

  2947.             {

  2948.                 dtype      = custom[i].type;

  2949.                 stringData = custom[i].value;

  2950.                 break;

  2951.             }

  2952.         }

  2953. 

  2954.         if (! stringData)

  2955.         {

  2956.             qCritical("Lv2Plugin::handleStateRetrieve(%i, %p, %p, %p) - invalid key '%s'", key, size, type, flags, uriKey);

  2957.             return nullptr;

  2958.         }

  2959. 

  2960.         *size  = 0;

  2961.         *type  = 0;

  2962.         *flags = LV2_STATE_IS_POD;

  2963. 

  2964.         if (dtype == CUSTOM_DATA_STRING)

  2965.         {

  2966.             *size = strlen(stringData);

  2967.             *type = CARLA_URI_MAP_ID_ATOM_STRING;

  2968.             return stringData;

  2969.         }

  2970.         if (dtype == CUSTOM_DATA_PATH)

  2971.         {

  2972.             *size = strlen(stringData);

  2973.             *type = CARLA_URI_MAP_ID_ATOM_PATH;

  2974.             return stringData;

  2975.         }

  2976.         if (dtype == CUSTOM_DATA_CHUNK || dtype == CUSTOM_DATA_BINARY)

  2977.         {

  2978.             static QByteArray chunk;

  2979.             chunk = QByteArray::fromBase64(stringData);

  2980. 

  2981.             *size = chunk.size();

  2982.             *type = (dtype == CUSTOM_DATA_CHUNK) ? CARLA_URI_MAP_ID_ATOM_CHUNK : key;

  2983.             return chunk.constData();

  2984.         }

  2985. 

  2986.         qCritical("Lv2Plugin::handleStateRetrieve(%i, %p, %p, %p) - invalid key type '%s'", key, size, type, flags, CustomDataType2str(dtype));

  2987.         return nullptr;

  2988.     }

  2989. 

  2990.     LV2_Worker_Status handleWorkerSchedule(const uint32_t /*size*/, const void* const /*data*/)

  2991.     {

  2992.         // TODO

  2993.         return LV2_WORKER_SUCCESS;

  2994.     }

  2995. 

  2996.     LV2_Worker_Status handleWorkerRespond(const uint32_t /*size*/, const void* const /*data*/)

  2997.     {

  2998.         // TODO

  2999.         if (ext.worker)

  3000.             return LV2_WORKER_SUCCESS;

  3001. 

  3002.         return LV2_WORKER_ERR_UNKNOWN;

  3003.     }

  3004. 

  3005.     void handleExternalUiClosed()

  3006.     {

  3007.         if (ui.handle && ui.descriptor && ui.descriptor->cleanup)

  3008.             ui.descriptor->cleanup(ui.handle);

  3009. 

  3010.         ui.handle = nullptr;

  3011.         x_engine->callback(CALLBACK_SHOW_GUI, m_id, 0, 0, 0.0);

  3012.     }

  3013. 

  3014.     uint32_t handleUiPortMap(const char* const symbol)

  3015.     {

  3016.         Q_ASSERT(symbol);

  3017. 

  3018.         if (! symbol)

  3019.             return LV2UI_INVALID_PORT_INDEX;

  3020. 

  3021.         for (uint32_t i=0; i < rdf_descriptor->PortCount; i++)

  3022.         {

  3023.             if (strcmp(rdf_descriptor->Ports[i].Symbol, symbol) == 0)

  3024.                 return i;

  3025.         }

  3026. 

  3027.         return LV2UI_INVALID_PORT_INDEX;

  3028.     }

  3029. 

  3030.     int handleUiResize(const int width, const int height)

  3031.     {

  3032.         Q_ASSERT(width > 0);

  3033.         Q_ASSERT(height > 0);

  3034. 

  3035.         if (width <= 0 || height <= 0)

  3036.             return 1;

  3037. 

  3038.         gui.width  = width;

  3039.         gui.height = height;

  3040.         x_engine->callback(CALLBACK_RESIZE_GUI, m_id, width, height, 0.0);

  3041. 

  3042.         return 0;

  3043.     }

  3044. 

  3045.     void handleUiWrite(const uint32_t rindex, const uint32_t bufferSize, const uint32_t format, const void* const buffer)

  3046.     {

  3047.         if (format == 0)

  3048.         {

  3049.             Q_ASSERT(buffer);

  3050.             Q_ASSERT(bufferSize == sizeof(float));

  3051. 

  3052.             float value = *(float*)buffer;

  3053. 

  3054.             for (uint32_t i=0; i < param.count; i++)

  3055.             {

  3056.                 if (param.data[i].rindex == (int32_t)rindex)

  3057.                     return setParameterValue(i, value, false, true, true);

  3058.             }

  3059.         }

  3060.         else if (format == CARLA_URI_MAP_ID_ATOM_TRANSFER_ATOM)

  3061.         {

  3062.             Q_ASSERT(buffer);

  3063. 

  3064.             const LV2_Atom* const atom = (const LV2_Atom*)buffer;

  3065.             handleTransferAtom(atom, getCustomURIString(atom->type));

  3066. 

  3067.             if (ui.handle && ui.descriptor && ui.descriptor->port_event)

  3068.                 ui.descriptor->port_event(ui.handle, 0, atom->size, CARLA_URI_MAP_ID_ATOM_TRANSFER_ATOM, atom);

  3069.         }

  3070.         else if (format == CARLA_URI_MAP_ID_ATOM_TRANSFER_EVENT)

  3071.         {

  3072.             Q_ASSERT(buffer);

  3073. 

  3074.             const LV2_Atom* const atom = (const LV2_Atom*)buffer;

  3075.             handleTransferEvent(atom, getCustomURIString(atom->type));

  3076. 

  3077.             if (ui.handle && ui.descriptor && ui.descriptor->port_event)

  3078.                 ui.descriptor->port_event(ui.handle, 0, atom->size, CARLA_URI_MAP_ID_ATOM_TRANSFER_EVENT, atom);

  3079.         }

  3080.     }

  3081. 

  3082.     // -------------------------------------------------------------------

  3083. 

  3084. #ifndef BUILD_BRIDGE

  3085.     bool isUiBridgeable(const uint32_t uiId)

  3086.     {

  3087.         Q_ASSERT(rdf_descriptor);

  3088.         Q_ASSERT(uiId < rdf_descriptor->UICount);

  3089. 

  3090.         if (uiId >= rdf_descriptor->UICount)

  3091.             return false;

  3092. 

  3093.         const LV2_RDF_UI* const rdf_ui = &rdf_descriptor->UIs[uiId];

  3094. 

  3095.         for (uint32_t i=0; i < rdf_ui->FeatureCount; i++)

  3096.         {

  3097.             if (strcmp(rdf_ui->Features[i].URI, LV2_INSTANCE_ACCESS_URI) == 0 || strcmp(rdf_ui->Features[i].URI, LV2_DATA_ACCESS_URI) == 0)

  3098.                 return false;

  3099.         }

  3100. 

  3101.         return true;

  3102.     }

  3103. #endif

  3104. 

  3105.     bool isUiResizable()

  3106.     {

  3107.         Q_ASSERT(ui.rdf_descriptor);

  3108. 

  3109.         if (! ui.rdf_descriptor)

  3110.             return false;

  3111. 

  3112.         for (uint32_t i=0; i < ui.rdf_descriptor->FeatureCount; i++)

  3113.         {

  3114.             if (strcmp(ui.rdf_descriptor->Features[i].URI, LV2_UI__fixedSize) == 0 || strcmp(ui.rdf_descriptor->Features[i].URI, LV2_UI__noUserResize) == 0)

  3115.                 return false;

  3116.         }

  3117. 

  3118.         return true;

  3119.     }

  3120. 

  3121.     void initExternalUi()

  3122.     {

  3123.         qDebug("Lv2Plugin::initExternalUi()");

  3124. 

  3125.         ui.widget = nullptr;

  3126.         ui.handle = ui.descriptor->instantiate(ui.descriptor, descriptor->URI, ui.rdf_descriptor->Bundle, carla_lv2_ui_write_function, this, &ui.widget, features);

  3127. 

  3128.         if (ui.handle && ui.widget)

  3129.         {

  3130.             updateUi();

  3131.         }

  3132.         else

  3133.         {

  3134.             qWarning("Lv2Plugin::initExternalUi() - failed to instantiate UI");

  3135.             ui.handle = nullptr;

  3136.             ui.widget = nullptr;

  3137.             x_engine->callback(CALLBACK_SHOW_GUI, m_id, -1, 0, 0.0);

  3138.         }

  3139.     }

  3140. 

  3141.     void uiTransferAtom()

  3142.     {

  3143.         // TODO

  3144.     }

  3145. 

  3146.     void uiTransferEvent(const CustomData* const cdata)

  3147.     {

  3148.         if (cdata->type == CUSTOM_DATA_INVALID || ! ui.descriptor->port_event)

  3149.             return;

  3150. 

  3151.         LV2_URID_Map* const URID_Map = (LV2_URID_Map*)features[lv2_feature_id_urid_map]->data;

  3152.         const LV2_URID uridPatchSet  = getCustomURID(LV2_PATCH__Set);

  3153.         const LV2_URID uridPatchBody = getCustomURID(LV2_PATCH__body);

  3154. 

  3155.         Sratom* const sratom = sratom_new(URID_Map);

  3156.         SerdChunk     chunk  = { nullptr, 0 };

  3157. 

  3158.         LV2_Atom_Forge forge;

  3159.         lv2_atom_forge_init(&forge, URID_Map);

  3160.         lv2_atom_forge_set_sink(&forge, sratom_forge_sink, sratom_forge_deref, &chunk);

  3161. 

  3162.         LV2_Atom_Forge_Frame refFrame, bodyFrame;

  3163.         LV2_Atom_Forge_Ref   ref = lv2_atom_forge_blank(&forge, &refFrame, 1, uridPatchSet);

  3164. 

  3165.         lv2_atom_forge_property_head(&forge, uridPatchBody, CARLA_URI_MAP_ID_NULL);

  3166.         lv2_atom_forge_blank(&forge, &bodyFrame, 2, CARLA_URI_MAP_ID_NULL);

  3167. 

  3168.         lv2_atom_forge_property_head(&forge, getCustomURID(cdata->key), CARLA_URI_MAP_ID_NULL);

  3169. 

  3170.         if (cdata->type == CUSTOM_DATA_STRING)

  3171.             lv2_atom_forge_string(&forge, cdata->value, strlen(cdata->value));

  3172.         else if (cdata->type == CUSTOM_DATA_PATH)

  3173.             lv2_atom_forge_path(&forge, cdata->value, strlen(cdata->value));

  3174.         else if (cdata->type == CUSTOM_DATA_CHUNK)

  3175.             lv2_atom_forge_literal(&forge, cdata->value, strlen(cdata->value), CARLA_URI_MAP_ID_ATOM_CHUNK, CARLA_URI_MAP_ID_NULL);

  3176.         else

  3177.             lv2_atom_forge_literal(&forge, cdata->value, strlen(cdata->value), getCustomURID(cdata->key), CARLA_URI_MAP_ID_NULL);

  3178. 

  3179.         lv2_atom_forge_pop(&forge, &bodyFrame);

  3180.         lv2_atom_forge_pop(&forge, &refFrame);

  3181. 

  3182.         const LV2_Atom* const atom = lv2_atom_forge_deref(&forge, ref);

  3183.         ui.descriptor->port_event(ui.handle, 0, atom->size, CARLA_URI_MAP_ID_ATOM_TRANSFER_EVENT, atom);

  3184. 

  3185.         free((void*)chunk.buf);

  3186.         sratom_free(sratom);

  3187.     }

  3188. 

  3189.     void updateUi()

  3190.     {

  3191.         qDebug("Lv2Plugin::updateUi()");

  3192. 

  3193.         ext.uiprograms = nullptr;

  3194. 

  3195.         if (ui.handle && ui.descriptor)

  3196.         {

  3197.             if (ui.descriptor->extension_data)

  3198.             {

  3199.                 ext.uiprograms = (const LV2_Programs_UI_Interface*)ui.descriptor->extension_data(LV2_PROGRAMS__UIInterface);

  3200. 

  3201.                 if (ext.uiprograms && ! ext.uiprograms->select_program)

  3202.                     // invalid

  3203.                     ext.uiprograms = nullptr;

  3204. 

  3205.                 if (ext.uiprograms && midiprog.count > 0 && midiprog.current >= 0)

  3206.                     ext.uiprograms->select_program(ui.handle, midiprog.data[midiprog.current].bank, midiprog.data[midiprog.current].program);

  3207.             }

  3208. 

  3209.             if (ui.descriptor->port_event)

  3210.             {

  3211.                 // get&store custom data to be sent to the UI

  3212.                 prepareForSave();

  3213. 

  3214.                 // update state (custom data)

  3215.                 for (size_t i=0; i < custom.size(); i++)

  3216.                     uiTransferEvent(&custom[i]);

  3217. 

  3218.                 // update control ports

  3219.                 float valueF;

  3220.                 for (uint32_t i=0; i < param.count; i++)

  3221.                 {

  3222.                     valueF = getParameterValue(i);

  3223.                     ui.descriptor->port_event(ui.handle, param.data[i].rindex, sizeof(float), 0, &valueF);

  3224.                 }

  3225.             }

  3226.         }

  3227.     }

  3228. 

  3229.     // ----------------- Event Feature ---------------------------------------------------

  3230. 

  3231.     static uint32_t carla_lv2_event_ref(const LV2_Event_Callback_Data callback_data, LV2_Event* const event)

  3232.     {

  3233.         qDebug("Lv2Plugin::carla_lv2_event_ref(%p, %p)", callback_data, event);

  3234.         Q_ASSERT(callback_data);

  3235.         Q_ASSERT(event);

  3236. 

  3237.         return 0;

  3238.     }

  3239. 

  3240.     static uint32_t carla_lv2_event_unref(const LV2_Event_Callback_Data callback_data, LV2_Event* const event)

  3241.     {

  3242.         qDebug("Lv2Plugin::carla_lv2_event_unref(%p, %p)", callback_data, event);

  3243.         Q_ASSERT(callback_data);

  3244.         Q_ASSERT(event);

  3245. 

  3246.         return 0;

  3247.     }

  3248. 

  3249.     // ----------------- Logs Feature ----------------------------------------------------

  3250. 

  3251.     static int carla_lv2_log_printf(const LV2_Log_Handle handle, const LV2_URID type, const char* const fmt, ...)

  3252.     {

  3253.         qDebug("Lv2Plugin::carla_lv2_log_printf(%p, %i, \"%s\", ...)", handle, type, fmt);

  3254.         Q_ASSERT(handle);

  3255.         Q_ASSERT(type > 0);

  3256. 

  3257. #ifndef DEBUG

  3258.         if (type == CARLA_URI_MAP_ID_LOG_TRACE)

  3259.             return 0;

  3260. #endif

  3261. 

  3262.         va_list args;

  3263.         va_start(args, fmt);

  3264.         const int ret = carla_lv2_log_vprintf(handle, type, fmt, args);

  3265.         va_end(args);

  3266. 

  3267.         return ret;

  3268.     }

  3269. 

  3270.     static int carla_lv2_log_vprintf(const LV2_Log_Handle handle, const LV2_URID type, const char* const fmt, va_list ap)

  3271.     {

  3272.         qDebug("Lv2Plugin::carla_lv2_log_vprintf(%p, %i, \"%s\", ...)", handle, type, fmt);

  3273.         Q_ASSERT(handle);

  3274.         Q_ASSERT(type > 0);

  3275. 

  3276. #ifndef DEBUG

  3277.         if (type == CARLA_URI_MAP_ID_LOG_TRACE)

  3278.             return 0;

  3279. #endif

  3280. 

  3281.         char buf[8196];

  3282.         vsprintf(buf, fmt, ap);

  3283. 

  3284.         if (*buf == 0)

  3285.             return 0;

  3286. 

  3287.         switch (type)

  3288.         {

  3289.         case CARLA_URI_MAP_ID_LOG_ERROR:

  3290.             qCritical("%s", buf);

  3291.             break;

  3292.         case CARLA_URI_MAP_ID_LOG_NOTE:

  3293.             printf("%s\n", buf);

  3294.             break;

  3295.         case CARLA_URI_MAP_ID_LOG_TRACE:

  3296.             qDebug("%s", buf);

  3297.             break;

  3298.         case CARLA_URI_MAP_ID_LOG_WARNING:

  3299.             qWarning("%s", buf);

  3300.             break;

  3301.         default:

  3302.             break;

  3303.         }

  3304. 

  3305.         return strlen(buf);

  3306.     }

  3307. 

  3308.     // ----------------- Programs Feature ------------------------------------------------

  3309. 

  3310.     static void carla_lv2_program_changed(const LV2_Programs_Handle handle, const int32_t index)

  3311.     {

  3312.         qDebug("Lv2Plugin::carla_lv2_program_changed(%p, %i)", handle, index);

  3313.         Q_ASSERT(handle);

  3314. 

  3315.         if (! handle)

  3316.             return;

  3317. 

  3318.         Lv2Plugin* const plugin = (Lv2Plugin*)handle;

  3319.         plugin->handleProgramChanged(index);

  3320.     }

  3321. 

  3322.     // ----------------- State Feature ---------------------------------------------------

  3323. 

  3324.     static char* carla_lv2_state_make_path(const LV2_State_Make_Path_Handle handle, const char* const path)

  3325.     {

  3326.         qDebug("Lv2Plugin::carla_lv2_state_make_path(%p, \"%s\")", handle, path);

  3327.         Q_ASSERT(handle);

  3328.         Q_ASSERT(path);

  3329. 

  3330.         if (! path)

  3331.             return nullptr;

  3332. 

  3333.         QDir dir;

  3334.         dir.mkpath(path);

  3335.         return strdup(path);

  3336.     }

  3337. 

  3338.     static char* carla_lv2_state_map_abstract_path(const LV2_State_Map_Path_Handle handle, const char* const absolute_path)

  3339.     {

  3340.         qDebug("Lv2Plugin::carla_lv2_state_map_abstract_path(%p, \"%s\")", handle, absolute_path);

  3341.         Q_ASSERT(handle);

  3342.         Q_ASSERT(absolute_path);

  3343. 

  3344.         if (! absolute_path)

  3345.             return nullptr;

  3346. 

  3347.         QDir dir(absolute_path);

  3348.         return strdup(dir.canonicalPath().toUtf8().constData());

  3349.     }

  3350. 

  3351.     static char* carla_lv2_state_map_absolute_path(const LV2_State_Map_Path_Handle handle, const char* const abstract_path)

  3352.     {

  3353.         qDebug("Lv2Plugin::carla_lv2_state_map_absolute_path(%p, \"%s\")", handle, abstract_path);

  3354.         Q_ASSERT(handle);

  3355.         Q_ASSERT(abstract_path);

  3356. 

  3357.         if (! abstract_path)

  3358.             return nullptr;

  3359. 

  3360.         QDir dir(abstract_path);

  3361.         return strdup(dir.absolutePath().toUtf8().constData());

  3362.     }

  3363. 

  3364.     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)

  3365.     {

  3366.         qDebug("Lv2Plugin::carla_lv2_state_store(%p, %i, %p, " P_SIZE ", %i, %i)", handle, key, value, size, type, flags);

  3367.         Q_ASSERT(handle);

  3368. 

  3369.         if (! handle)

  3370.             return LV2_STATE_ERR_UNKNOWN;

  3371. 

  3372.         Lv2Plugin* const plugin = (Lv2Plugin*)handle;

  3373.         return plugin->handleStateStore(key, value, size, type, flags);

  3374.     }

  3375. 

  3376.     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)

  3377.     {

  3378.         qDebug("Lv2Plugin::carla_lv2_state_retrieve(%p, %i, %p, %p, %p)", handle, key, size, type, flags);

  3379.         Q_ASSERT(handle);

  3380. 

  3381.         if (! handle)

  3382.             return nullptr;

  3383. 

  3384.         Lv2Plugin* const plugin = (Lv2Plugin*)handle;

  3385.         return plugin->handleStateRetrieve(key, size, type, flags);

  3386.     }

  3387. 

  3388.     // ----------------- URI-Map Feature -------------------------------------------------

  3389. 

  3390.     static uint32_t carla_lv2_uri_to_id(const LV2_URI_Map_Callback_Data data, const char* const map, const char* const uri)

  3391.     {

  3392.         qDebug("Lv2Plugin::carla_lv2_uri_to_id(%p, \"%s\", \"%s\")", data, map, uri);

  3393.         return carla_lv2_urid_map((LV2_URID_Map_Handle*)data, uri);

  3394.     }

  3395. 

  3396.     // ----------------- URID Feature ----------------------------------------------------

  3397. 

  3398.     static LV2_URID carla_lv2_urid_map(const LV2_URID_Map_Handle handle, const char* const uri)

  3399.     {

  3400.         qDebug("Lv2Plugin::carla_lv2_urid_map(%p, \"%s\")", handle, uri);

  3401.         Q_ASSERT(handle);

  3402.         Q_ASSERT(uri);

  3403. 

  3404.         if (! uri)

  3405.             return CARLA_URI_MAP_ID_NULL;

  3406. 

  3407.         // Atom types

  3408.         if (strcmp(uri, LV2_ATOM__Chunk) == 0)

  3409.             return CARLA_URI_MAP_ID_ATOM_CHUNK;

  3410.         if (strcmp(uri, LV2_ATOM__Double) == 0)

  3411.             return CARLA_URI_MAP_ID_ATOM_DOUBLE;

  3412.         if (strcmp(uri, LV2_ATOM__Int) == 0)

  3413.             return CARLA_URI_MAP_ID_ATOM_INT;

  3414.         if (strcmp(uri, LV2_ATOM__Path) == 0)

  3415.             return CARLA_URI_MAP_ID_ATOM_PATH;

  3416.         if (strcmp(uri, LV2_ATOM__Sequence) == 0)

  3417.             return CARLA_URI_MAP_ID_ATOM_SEQUENCE;

  3418.         if (strcmp(uri, LV2_ATOM__String) == 0)

  3419.             return CARLA_URI_MAP_ID_ATOM_STRING;

  3420.         if (strcmp(uri, LV2_ATOM__atomTransfer) == 0)

  3421.             return CARLA_URI_MAP_ID_ATOM_TRANSFER_ATOM;

  3422.         if (strcmp(uri, LV2_ATOM__eventTransfer) == 0)

  3423.             return CARLA_URI_MAP_ID_ATOM_TRANSFER_EVENT;

  3424. 

  3425.         // BufSize types

  3426.         if (strcmp(uri, LV2_BUF_SIZE__maxBlockLength) == 0)

  3427.             return CARLA_URI_MAP_ID_BUF_MAX_LENGTH;

  3428.         if (strcmp(uri, LV2_BUF_SIZE__minBlockLength) == 0)

  3429.             return CARLA_URI_MAP_ID_BUF_MIN_LENGTH;

  3430.         if (strcmp(uri, LV2_BUF_SIZE__sequenceSize) == 0)

  3431.             return CARLA_URI_MAP_ID_BUF_SEQUENCE_SIZE;

  3432. 

  3433.         // Log types

  3434.         if (strcmp(uri, LV2_LOG__Error) == 0)

  3435.             return CARLA_URI_MAP_ID_LOG_ERROR;

  3436.         if (strcmp(uri, LV2_LOG__Note) == 0)

  3437.             return CARLA_URI_MAP_ID_LOG_NOTE;

  3438.         if (strcmp(uri, LV2_LOG__Trace) == 0)

  3439.             return CARLA_URI_MAP_ID_LOG_TRACE;

  3440.         if (strcmp(uri, LV2_LOG__Warning) == 0)

  3441.             return CARLA_URI_MAP_ID_LOG_WARNING;

  3442. 

  3443.         // Others

  3444.         if (strcmp(uri, LV2_MIDI__MidiEvent) == 0)

  3445.             return CARLA_URI_MAP_ID_MIDI_EVENT;

  3446.         if (strcmp(uri, LV2_PARAMETERS__sampleRate) == 0)

  3447.             return CARLA_URI_MAP_ID_PARAM_SAMPLE_RATE;

  3448. 

  3449.         if (! handle)

  3450.             return CARLA_URI_MAP_ID_NULL;

  3451. 

  3452.         // Custom types

  3453.         Lv2Plugin* const plugin = (Lv2Plugin*)handle;

  3454.         return plugin->getCustomURID(uri);

  3455.     }

  3456. 

  3457.     static const char* carla_lv2_urid_unmap(const LV2_URID_Map_Handle handle, const LV2_URID urid)

  3458.     {

  3459.         qDebug("Lv2Plugin::carla_lv2_urid_unmap(%p, %i)", handle, urid);

  3460.         Q_ASSERT(handle);

  3461.         Q_ASSERT(urid > CARLA_URI_MAP_ID_NULL);

  3462. 

  3463.         if (urid == CARLA_URI_MAP_ID_NULL)

  3464.             return nullptr;

  3465. 

  3466.         // Atom types

  3467.         if (urid == CARLA_URI_MAP_ID_ATOM_CHUNK)

  3468.             return LV2_ATOM__Chunk;

  3469.         if (urid == CARLA_URI_MAP_ID_ATOM_DOUBLE)

  3470.             return LV2_ATOM__Double;

  3471.         if (urid == CARLA_URI_MAP_ID_ATOM_INT)

  3472.             return LV2_ATOM__Int;

  3473.         if (urid == CARLA_URI_MAP_ID_ATOM_PATH)

  3474.             return LV2_ATOM__Path;

  3475.         if (urid == CARLA_URI_MAP_ID_ATOM_SEQUENCE)

  3476.             return LV2_ATOM__Sequence;

  3477.         if (urid == CARLA_URI_MAP_ID_ATOM_STRING)

  3478.             return LV2_ATOM__String;

  3479.         if (urid == CARLA_URI_MAP_ID_ATOM_TRANSFER_ATOM)

  3480.             return LV2_ATOM__atomTransfer;

  3481.         if (urid == CARLA_URI_MAP_ID_ATOM_TRANSFER_EVENT)

  3482.             return LV2_ATOM__eventTransfer;

  3483. 

  3484.         // BufSize types

  3485.         if (urid == CARLA_URI_MAP_ID_BUF_MAX_LENGTH)

  3486.             return LV2_BUF_SIZE__maxBlockLength;

  3487.         if (urid == CARLA_URI_MAP_ID_BUF_MIN_LENGTH)

  3488.             return LV2_BUF_SIZE__minBlockLength;

  3489.         if (urid == CARLA_URI_MAP_ID_BUF_SEQUENCE_SIZE)

  3490.             return LV2_BUF_SIZE__sequenceSize;

  3491. 

  3492.         // Log types

  3493.         if (urid == CARLA_URI_MAP_ID_LOG_ERROR)

  3494.             return LV2_LOG__Error;

  3495.         if (urid == CARLA_URI_MAP_ID_LOG_NOTE)

  3496.             return LV2_LOG__Note;

  3497.         if (urid == CARLA_URI_MAP_ID_LOG_TRACE)

  3498.             return LV2_LOG__Trace;

  3499.         if (urid == CARLA_URI_MAP_ID_LOG_WARNING)

  3500.             return LV2_LOG__Warning;

  3501. 

  3502.         // Others

  3503.         if (urid == CARLA_URI_MAP_ID_MIDI_EVENT)

  3504.             return LV2_MIDI__MidiEvent;

  3505.         if (urid == CARLA_URI_MAP_ID_PARAM_SAMPLE_RATE)

  3506.             return LV2_PARAMETERS__sampleRate;

  3507. 

  3508.         if (! handle)

  3509.             return nullptr;

  3510. 

  3511.         // Custom types

  3512.         Lv2Plugin* const plugin = (Lv2Plugin*)handle;

  3513.         return plugin->getCustomURIString(urid);

  3514.     }

  3515. 

  3516.     // ----------------- Worker Feature --------------------------------------------------

  3517. 

  3518.     static LV2_Worker_Status carla_lv2_worker_schedule(const LV2_Worker_Schedule_Handle handle, const uint32_t size, const void* const data)

  3519.     {

  3520.         qDebug("Lv2Plugin::carla_lv2_worker_schedule(%p, %i, %p)", handle, size, data);

  3521.         Q_ASSERT(handle);

  3522. 

  3523.         if (! handle)

  3524.             return LV2_WORKER_ERR_UNKNOWN;

  3525. 

  3526.         Lv2Plugin* const plugin = (Lv2Plugin*)handle;

  3527.         return plugin->handleWorkerSchedule(size, data);

  3528.     }

  3529. 

  3530.     static LV2_Worker_Status carla_lv2_worker_respond(const LV2_Worker_Respond_Handle handle, const uint32_t size, const void* const data)

  3531.     {

  3532.         qDebug("Lv2Plugin::carla_lv2_worker_respond(%p, %i, %p)", handle, size, data);

  3533.         Q_ASSERT(handle);

  3534. 

  3535.         if (! handle)

  3536.             return LV2_WORKER_ERR_UNKNOWN;

  3537. 

  3538.         Lv2Plugin* const plugin = (Lv2Plugin*)handle;

  3539.         return plugin->handleWorkerRespond(size, data);

  3540.     }

  3541. 

  3542.     // ----------------- UI Port-Map Feature ---------------------------------------------

  3543. 

  3544.     static uint32_t carla_lv2_ui_port_map(const LV2UI_Feature_Handle handle, const char* const symbol)

  3545.     {

  3546.         qDebug("Lv2Plugin::carla_lv2_ui_port_map(%p, \"%s\")", handle, symbol);

  3547.         Q_ASSERT(handle);

  3548. 

  3549.         if (! handle)

  3550.             return LV2UI_INVALID_PORT_INDEX;

  3551. 

  3552.         Lv2Plugin* const plugin = (Lv2Plugin*)handle;

  3553.         return plugin->handleUiPortMap(symbol);

  3554.     }

  3555. 

  3556.     // ----------------- UI Resize Feature -----------------------------------------------

  3557. 

  3558.     static int carla_lv2_ui_resize(const LV2UI_Feature_Handle handle, const int width, const int height)

  3559.     {

  3560.         qDebug("Lv2Plugin::carla_lv2_ui_resize(%p, %i, %i)", handle, width, height);

  3561.         Q_ASSERT(handle);

  3562. 

  3563.         if (! handle)

  3564.             return 1;

  3565. 

  3566.         Lv2Plugin* const plugin  = (Lv2Plugin*)handle;

  3567.         return plugin->handleUiResize(width, height);

  3568.     }

  3569. 

  3570.     // ----------------- External UI Feature ---------------------------------------------

  3571. 

  3572.     static void carla_lv2_external_ui_closed(const LV2UI_Controller controller)

  3573.     {

  3574.         qDebug("Lv2Plugin::carla_lv2_external_ui_closed(%p)", controller);

  3575.         Q_ASSERT(controller);

  3576. 

  3577.         if (! controller)

  3578.             return;

  3579. 

  3580.         Lv2Plugin* const plugin = (Lv2Plugin*)controller;

  3581.         plugin->handleExternalUiClosed();

  3582.     }

  3583. 

  3584.     // ----------------- UI Extension ----------------------------------------------------

  3585. 

  3586.     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)

  3587.     {

  3588.         qDebug("Lv2Plugin::carla_lv2_ui_write_function(%p, %i, %i, %i, %p)", controller, port_index, buffer_size, format, buffer);

  3589.         Q_ASSERT(controller);

  3590. 

  3591.         if (! controller)

  3592.             return;

  3593. 

  3594.         Lv2Plugin* const plugin = (Lv2Plugin*)controller;

  3595.         plugin->handleUiWrite(port_index, buffer_size, format, buffer);

  3596.     }

  3597. 

  3598.     // -------------------------------------------------------------------

  3599. 

  3600.     bool uiLibOpen(const char* const filename)

  3601.     {

  3602.         ui.lib = lib_open(filename);

  3603.         return bool(ui.lib);

  3604.     }

  3605. 

  3606.     bool uiLibClose()

  3607.     {

  3608.         if (ui.lib)

  3609.             return lib_close(ui.lib);

  3610.         return false;

  3611.     }

  3612. 

  3613.     void* uiLibSymbol(const char* const symbol)

  3614.     {

  3615.         if (ui.lib)

  3616.             return lib_symbol(ui.lib, symbol);

  3617.         return nullptr;

  3618.     }

  3619. 

  3620.     // -------------------------------------------------------------------

  3621. 

  3622.     bool init(const char* const bundle, const char* const name, const char* const URI)

  3623.     {

  3624.         // ---------------------------------------------------------------

  3625.         // get plugin from lv2_rdf (lilv)

  3626. 

  3627.         rdf_descriptor = lv2_rdf_new(URI);

  3628. 

  3629.         if (! rdf_descriptor)

  3630.         {

  3631.             setLastError("Failed to find the requested plugin in the LV2 Bundle");

  3632.             return false;

  3633.         }

  3634. 

  3635.         // ---------------------------------------------------------------

  3636.         // open DLL

  3637. 

  3638.         if (! libOpen(rdf_descriptor->Binary))

  3639.         {

  3640.             setLastError(libError(rdf_descriptor->Binary));

  3641.             return false;

  3642.         }

  3643. 

  3644.         // ---------------------------------------------------------------

  3645.         // get DLL main entry

  3646. 

  3647.         const LV2_Descriptor_Function descFn = (LV2_Descriptor_Function)libSymbol("lv2_descriptor");

  3648. 

  3649.         if (! descFn)

  3650.         {

  3651.             setLastError("Could not find the LV2 Descriptor in the plugin library");

  3652.             return false;

  3653.         }

  3654. 

  3655.         // ---------------------------------------------------------------

  3656.         // get descriptor that matches URI

  3657. 

  3658.         uint32_t i = 0;

  3659.         while ((descriptor = descFn(i++)))

  3660.         {

  3661.             if (strcmp(descriptor->URI, URI) == 0)

  3662.                 break;

  3663.         }

  3664. 

  3665.         if (! descriptor)

  3666.         {

  3667.             setLastError("Could not find the requested plugin URI in the plugin library");

  3668.             return false;

  3669.         }

  3670. 

  3671.         // ---------------------------------------------------------------

  3672.         // check supported port-types and features

  3673. 

  3674.         bool canContinue = true;

  3675. 

  3676.         // Check supported ports

  3677.         for (i=0; i < rdf_descriptor->PortCount; i++)

  3678.         {

  3679.             LV2_Property PortType = rdf_descriptor->Ports[i].Type;

  3680.             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)))

  3681.             {

  3682.                 if (! LV2_IS_PORT_OPTIONAL(rdf_descriptor->Ports[i].Properties))

  3683.                 {

  3684.                     setLastError("Plugin requires a port that is not currently supported");

  3685.                     canContinue = false;

  3686.                     break;

  3687.                 }

  3688.             }

  3689.         }

  3690. 

  3691.         // Check supported features

  3692.         for (i=0; i < rdf_descriptor->FeatureCount && canContinue; i++)

  3693.         {

  3694.             if (LV2_IS_FEATURE_REQUIRED(rdf_descriptor->Features[i].Type) && ! is_lv2_feature_supported(rdf_descriptor->Features[i].URI))

  3695.             {

  3696.                 QString msg = QString("Plugin requires a feature that is not supported:\n%1").arg(rdf_descriptor->Features[i].URI);

  3697.                 setLastError(msg.toUtf8().constData());

  3698.                 canContinue = false;

  3699.                 break;

  3700.             }

  3701.         }

  3702. 

  3703.         // Check extensions

  3704.         for (i=0; i < rdf_descriptor->ExtensionCount; i++)

  3705.         {

  3706.             if (strcmp(rdf_descriptor->Extensions[i], LV2_PROGRAMS__Interface) == 0)

  3707.                 m_hints |= PLUGIN_HAS_EXTENSION_PROGRAMS;

  3708.             else if (strcmp(rdf_descriptor->Extensions[i], LV2_STATE__interface) == 0)

  3709.                 m_hints |= PLUGIN_HAS_EXTENSION_STATE;

  3710.             else if (strcmp(rdf_descriptor->Extensions[i], LV2_WORKER__interface) == 0)

  3711.                 m_hints |= PLUGIN_HAS_EXTENSION_WORKER;

  3712.             else

  3713.                 qDebug("Plugin has non-supported extension: '%s'", rdf_descriptor->Extensions[i]);

  3714.         }

  3715. 

  3716.         if (! canContinue)

  3717.         {

  3718.             // error already set

  3719.             return false;

  3720.         }

  3721. 

  3722.         // ---------------------------------------------------------------

  3723.         // initialize features

  3724. 

  3725.         LV2_Event_Feature* const eventFt = new LV2_Event_Feature;

  3726.         eventFt->callback_data           = this;

  3727.         eventFt->lv2_event_ref           = carla_lv2_event_ref;

  3728.         eventFt->lv2_event_unref         = carla_lv2_event_unref;

  3729. 

  3730.         LV2_Log_Log* const logFt         = new LV2_Log_Log;

  3731.         logFt->handle                    = this;

  3732.         logFt->printf                    = carla_lv2_log_printf;

  3733.         logFt->vprintf                   = carla_lv2_log_vprintf;

  3734. 

  3735.         LV2_Programs_Host* const programsFt        = new LV2_Programs_Host;

  3736.         programsFt->handle                         = this;

  3737.         programsFt->program_changed                = carla_lv2_program_changed;

  3738. 

  3739.         LV2_State_Make_Path* const stateMakePathFt = new LV2_State_Make_Path;

  3740.         stateMakePathFt->handle                    = this;

  3741.         stateMakePathFt->path                      = carla_lv2_state_make_path;

  3742. 

  3743.         LV2_State_Map_Path* const stateMapPathFt   = new LV2_State_Map_Path;

  3744.         stateMapPathFt->handle                     = this;

  3745.         stateMapPathFt->abstract_path              = carla_lv2_state_map_abstract_path;

  3746.         stateMapPathFt->absolute_path              = carla_lv2_state_map_absolute_path;

  3747. 

  3748.         LV2_URI_Map_Feature* const uriMapFt = new LV2_URI_Map_Feature;

  3749.         uriMapFt->callback_data             = this;

  3750.         uriMapFt->uri_to_id                 = carla_lv2_uri_to_id;

  3751. 

  3752.         LV2_URID_Map* const uridMapFt       = new LV2_URID_Map;

  3753.         uridMapFt->handle                   = this;

  3754.         uridMapFt->map                      = carla_lv2_urid_map;

  3755. 

  3756.         LV2_URID_Unmap* const uridUnmapFt   = new LV2_URID_Unmap;

  3757.         uridUnmapFt->handle                 = this;

  3758.         uridUnmapFt->unmap                  = carla_lv2_urid_unmap;

  3759. 

  3760.         LV2_Worker_Schedule* const workerFt = new LV2_Worker_Schedule;

  3761.         workerFt->handle                    = this;

  3762.         workerFt->schedule_work             = carla_lv2_worker_schedule;

  3763. 

  3764.         LV2_Options_Option* const optionsFt = new LV2_Options_Option [5];

  3765.         optionsFt[0] = lv2Options.oMaxBlockLenth;

  3766.         optionsFt[1] = lv2Options.oMinBlockLenth;

  3767.         optionsFt[2] = lv2Options.oSequenceSize;

  3768.         optionsFt[3] = lv2Options.oSampleRate;

  3769.         optionsFt[4] = lv2Options.oNull;

  3770. 

  3771.         features[lv2_feature_id_bufsize_bounded]       = new LV2_Feature;

  3772.         features[lv2_feature_id_bufsize_bounded]->URI  = LV2_BUF_SIZE__boundedBlockLength;

  3773.         features[lv2_feature_id_bufsize_bounded]->data = nullptr;

  3774. 

  3775. #ifndef BUILD_BRIDGE

  3776.         if (carlaOptions.processHighPrecision)

  3777.         {

  3778.             features[lv2_feature_id_bufsize_fixed]          = new LV2_Feature;

  3779.             features[lv2_feature_id_bufsize_fixed]->URI     = LV2_BUF_SIZE__fixedBlockLength;

  3780.             features[lv2_feature_id_bufsize_fixed]->data    = nullptr;

  3781. 

  3782.             features[lv2_feature_id_bufsize_powerof2]       = new LV2_Feature;

  3783.             features[lv2_feature_id_bufsize_powerof2]->URI  = LV2_BUF_SIZE__powerOf2BlockLength;

  3784.             features[lv2_feature_id_bufsize_powerof2]->data = nullptr;

  3785.         }

  3786.         else

  3787. #endif

  3788.         {

  3789.             // fake, used to keep a valid array

  3790.             features[lv2_feature_id_bufsize_fixed]    = features[lv2_feature_id_bufsize_bounded];

  3791.             features[lv2_feature_id_bufsize_powerof2] = features[lv2_feature_id_bufsize_bounded];

  3792.         }

  3793. 

  3794.         features[lv2_feature_id_event]          = new LV2_Feature;

  3795.         features[lv2_feature_id_event]->URI     = LV2_EVENT_URI;

  3796.         features[lv2_feature_id_event]->data    = eventFt;

  3797. 

  3798.         features[lv2_feature_id_logs]           = new LV2_Feature;

  3799.         features[lv2_feature_id_logs]->URI      = LV2_LOG__log;

  3800.         features[lv2_feature_id_logs]->data     = logFt;

  3801. 

  3802.         features[lv2_feature_id_options]        = new LV2_Feature;

  3803.         features[lv2_feature_id_options]->URI   = LV2_OPTIONS__options;

  3804.         features[lv2_feature_id_options]->data  = optionsFt;

  3805. 

  3806.         features[lv2_feature_id_programs]       = new LV2_Feature;

  3807.         features[lv2_feature_id_programs]->URI  = LV2_PROGRAMS__Host;

  3808.         features[lv2_feature_id_programs]->data = programsFt;

  3809. 

  3810.         features[lv2_feature_id_state_make_path]       = new LV2_Feature;

  3811.         features[lv2_feature_id_state_make_path]->URI  = LV2_STATE__makePath;

  3812.         features[lv2_feature_id_state_make_path]->data = stateMakePathFt;

  3813. 

  3814.         features[lv2_feature_id_state_map_path]        = new LV2_Feature;

  3815.         features[lv2_feature_id_state_map_path]->URI   = LV2_STATE__mapPath;

  3816.         features[lv2_feature_id_state_map_path]->data  = stateMapPathFt;

  3817. 

  3818.         features[lv2_feature_id_strict_bounds]         = new LV2_Feature;

  3819.         features[lv2_feature_id_strict_bounds]->URI    = LV2_PORT_PROPS__supportsStrictBounds;

  3820.         features[lv2_feature_id_strict_bounds]->data   = nullptr;

  3821. 

  3822.         features[lv2_feature_id_uri_map]          = new LV2_Feature;

  3823.         features[lv2_feature_id_uri_map]->URI     = LV2_URI_MAP_URI;

  3824.         features[lv2_feature_id_uri_map]->data    = uriMapFt;

  3825. 

  3826.         features[lv2_feature_id_urid_map]         = new LV2_Feature;

  3827.         features[lv2_feature_id_urid_map]->URI    = LV2_URID__map;

  3828.         features[lv2_feature_id_urid_map]->data   = uridMapFt;

  3829. 

  3830.         features[lv2_feature_id_urid_unmap]       = new LV2_Feature;

  3831.         features[lv2_feature_id_urid_unmap]->URI  = LV2_URID__unmap;

  3832.         features[lv2_feature_id_urid_unmap]->data = uridUnmapFt;

  3833. 

  3834.         features[lv2_feature_id_worker]           = new LV2_Feature;

  3835.         features[lv2_feature_id_worker]->URI      = LV2_WORKER__schedule;

  3836.         features[lv2_feature_id_worker]->data     = workerFt;

  3837. 

  3838.         // ---------------------------------------------------------------

  3839.         // initialize plugin

  3840. 

  3841.         handle = descriptor->instantiate(descriptor, x_engine->getSampleRate(), rdf_descriptor->Bundle, features);

  3842. 

  3843.         if (! handle)

  3844.         {

  3845.             setLastError("Plugin failed to initialize");

  3846.             return false;

  3847.         }

  3848. 

  3849.         // ---------------------------------------------------------------

  3850.         // get info

  3851. 

  3852.         m_filename = strdup(bundle);

  3853. 

  3854.         if (name)

  3855.             m_name = x_engine->getUniqueName(name);

  3856.         else

  3857.             m_name = x_engine->getUniqueName(rdf_descriptor->Name);

  3858. 

  3859.         // ---------------------------------------------------------------

  3860.         // register client

  3861. 

  3862.         x_client = x_engine->addClient(this);

  3863. 

  3864.         if (! x_client->isOk())

  3865.         {

  3866.             setLastError("Failed to register plugin client");

  3867.             return false;

  3868.         }

  3869. 

  3870.         // ---------------------------------------------------------------

  3871.         // gui stuff

  3872. 

  3873.         if (rdf_descriptor->UICount == 0)

  3874.             return true;

  3875. 

  3876.         // -----------------------------------------------------------

  3877.         // find more appropriate ui

  3878. 

  3879.         int eQt4, eCocoa, eHWND, eX11, eGtk2, eGtk3, iCocoa, iHWND, iX11, iQt4, iExt, iSuil, iFinal;

  3880.         eQt4 = eCocoa = eHWND = eX11 = eGtk2 = eGtk3 = iQt4 = iCocoa = iHWND = iX11 = iExt = iSuil = iFinal = -1;

  3881. 

  3882.         for (i=0; i < rdf_descriptor->UICount; i++)

  3883.         {

  3884.             switch (rdf_descriptor->UIs[i].Type)

  3885.             {

  3886.             case LV2_UI_QT4:

  3887. #ifndef BUILD_BRIDGE

  3888.                 if (isUiBridgeable(i) && carlaOptions.preferUiBridges)

  3889.                     eQt4 = i;

  3890. #endif

  3891.                 iQt4 = i;

  3892.                 break;

  3893. 

  3894.             case LV2_UI_COCOA:

  3895. #ifndef BUILD_BRIDGE

  3896.                 if (isUiBridgeable(i) && carlaOptions.preferUiBridges)

  3897.                     eCocoa = i;

  3898. #endif

  3899.                 iCocoa = i;

  3900.                 break;

  3901. 

  3902.             case LV2_UI_WINDOWS:

  3903. #ifndef BUILD_BRIDGE

  3904.                 if (isUiBridgeable(i) && carlaOptions.preferUiBridges)

  3905.                     eHWND = i;

  3906. #endif

  3907.                 iHWND = i;

  3908.                 break;

  3909. 

  3910.             case LV2_UI_X11:

  3911. #ifndef BUILD_BRIDGE

  3912.                 if (isUiBridgeable(i) && carlaOptions.preferUiBridges)

  3913.                     eX11 = i;

  3914. #endif

  3915.                 iX11 = i;

  3916.                 break;

  3917. 

  3918.             case LV2_UI_GTK2:

  3919. #ifdef BUILD_BRIDGE

  3920.                 if (false)

  3921. #else

  3922. #  ifdef HAVE_SUIL

  3923.                 if (isUiBridgeable(i) && carlaOptions.preferUiBridges)

  3924. #  else

  3925.                 if (isUiBridgeable(i))

  3926. #  endif

  3927. #endif

  3928.                     eGtk2 = i;

  3929. #ifdef HAVE_SUIL

  3930.                 iSuil = i;

  3931. #endif

  3932.                 break;

  3933. 

  3934. #ifndef BUILD_BRIDGE

  3935.             case LV2_UI_GTK3:

  3936.                 if (isUiBridgeable(i))

  3937.                     eGtk3 = i;

  3938.                 break;

  3939. #endif

  3940. 

  3941.             case LV2_UI_EXTERNAL:

  3942.             case LV2_UI_OLD_EXTERNAL:

  3943.                 iExt = i;

  3944.                 break;

  3945. 

  3946.             default:

  3947.                 break;

  3948.             }

  3949.         }

  3950. 

  3951.         if (eQt4 >= 0)

  3952.             iFinal = eQt4;

  3953.         else if (eCocoa >= 0)

  3954.             iFinal = eCocoa;

  3955.         else if (eHWND >= 0)

  3956.             iFinal = eHWND;

  3957.         else if (eX11 >= 0)

  3958.             iFinal = eX11;

  3959.         else if (eGtk2 >= 0)

  3960.             iFinal = eGtk2;

  3961.         else if (eGtk3 >= 0)

  3962.             iFinal = eGtk3;

  3963.         else if (iQt4 >= 0)

  3964.             iFinal = iQt4;

  3965.         else if (iCocoa >= 0)

  3966.             iFinal = iCocoa;

  3967.         else if (iHWND >= 0)

  3968.             iFinal = iHWND;

  3969.         else if (iX11 >= 0)

  3970.             iFinal = iX11;

  3971.         else if (iExt >= 0)

  3972.             iFinal = iExt;

  3973.         else if (iSuil >= 0)

  3974.             iFinal = iSuil;

  3975. 

  3976. #ifndef BUILD_BRIDGE

  3977.         const bool isBridged = (iFinal == eQt4 || iFinal == eCocoa || iFinal == eHWND || iFinal == eX11 || iFinal == eGtk2 || iFinal == eGtk3);

  3978. #endif

  3979. #ifdef HAVE_SUIL

  3980.         const bool isSuil = (iFinal == iSuil && !isBridged);

  3981. #endif

  3982. 

  3983.         if (iFinal < 0)

  3984.         {

  3985.             qWarning("Failed to find an appropriate LV2 UI for this plugin");

  3986.             return true;

  3987.         }

  3988. 

  3989.         ui.rdf_descriptor = &rdf_descriptor->UIs[iFinal];

  3990. 

  3991.         // -----------------------------------------------------------

  3992.         // check supported ui features

  3993. 

  3994.         canContinue = true;

  3995. 

  3996.         for (i=0; i < ui.rdf_descriptor->FeatureCount; i++)

  3997.         {

  3998.             if (LV2_IS_FEATURE_REQUIRED(ui.rdf_descriptor->Features[i].Type) && is_lv2_ui_feature_supported(ui.rdf_descriptor->Features[i].URI) == false)

  3999.             {

  4000.                 qCritical("Plugin UI requires a feature that is not supported:\n%s", ui.rdf_descriptor->Features[i].URI);

  4001.                 canContinue = false;

  4002.                 break;

  4003.             }

  4004.         }

  4005. 

  4006.         if (! canContinue)

  4007.         {

  4008.             ui.rdf_descriptor = nullptr;

  4009.             return true;

  4010.         }

  4011. 

  4012. #ifdef HAVE_SUIL

  4013.         if (isSuil)

  4014.         {

  4015.             // -------------------------------------------------------

  4016.             // init suil host

  4017. 

  4018.             suil.host = suil_host_new(carla_lv2_ui_write_function, carla_lv2_ui_port_map, nullptr, nullptr);

  4019.         }

  4020.         else

  4021. #endif

  4022.         {

  4023.             // -------------------------------------------------------

  4024.             // open DLL

  4025. 

  4026.             if (! uiLibOpen(ui.rdf_descriptor->Binary))

  4027.             {

  4028.                 qCritical("Could not load UI library, error was:\n%s", libError(ui.rdf_descriptor->Binary));

  4029.                 ui.rdf_descriptor = nullptr;

  4030.                 return true;

  4031.             }

  4032. 

  4033.             // -------------------------------------------------------

  4034.             // get DLL main entry

  4035. 

  4036.             LV2UI_DescriptorFunction ui_descFn = (LV2UI_DescriptorFunction)uiLibSymbol("lv2ui_descriptor");

  4037. 

  4038.             if (! ui_descFn)

  4039.             {

  4040.                 qCritical("Could not find the LV2UI Descriptor in the UI library");

  4041.                 uiLibClose();

  4042.                 ui.lib = nullptr;

  4043.                 ui.rdf_descriptor = nullptr;

  4044.                 return true;

  4045.             }

  4046. 

  4047.             // -------------------------------------------------------

  4048.             // get descriptor that matches URI

  4049. 

  4050.             i = 0;

  4051.             while ((ui.descriptor = ui_descFn(i++)))

  4052.             {

  4053.                 if (strcmp(ui.descriptor->URI, ui.rdf_descriptor->URI) == 0)

  4054.                     break;

  4055.             }

  4056. 

  4057.             if (! ui.descriptor)

  4058.             {

  4059.                 qCritical("Could not find the requested GUI in the plugin UI library");

  4060.                 uiLibClose();

  4061.                 ui.lib = nullptr;

  4062.                 ui.rdf_descriptor = nullptr;

  4063.                 return true;

  4064.             }

  4065.         }

  4066. 

  4067.         // -----------------------------------------------------------

  4068.         // initialize ui according to type

  4069. 

  4070.         const LV2_Property uiType = ui.rdf_descriptor->Type;

  4071. 

  4072. #ifndef BUILD_BRIDGE

  4073.         if (isBridged)

  4074.         {

  4075.             // -------------------------------------------------------

  4076.             // initialize ui bridge

  4077. 

  4078.             if (const char* const oscBinary = lv2bridge2str(uiType))

  4079.             {

  4080.                 gui.type = GUI_EXTERNAL_OSC;

  4081.                 osc.thread = new CarlaPluginThread(x_engine, this, CarlaPluginThread::PLUGIN_THREAD_LV2_GUI);

  4082.                 osc.thread->setOscData(oscBinary, descriptor->URI, ui.descriptor->URI);

  4083.             }

  4084.         }

  4085.         else

  4086. #endif

  4087.         {

  4088.             // -------------------------------------------------------

  4089.             // initialize ui features

  4090. 

  4091.             QString guiTitle = QString("%1 (GUI)").arg(m_name);

  4092. 

  4093.             LV2_Extension_Data_Feature* const uiDataFt = new LV2_Extension_Data_Feature;

  4094.             uiDataFt->data_access                      = descriptor->extension_data;

  4095. 

  4096.             LV2UI_Port_Map* const uiPortMapFt = new LV2UI_Port_Map;

  4097.             uiPortMapFt->handle               = this;

  4098.             uiPortMapFt->port_index           = carla_lv2_ui_port_map;

  4099. 

  4100.             LV2UI_Resize* const uiResizeFt    = new LV2UI_Resize;

  4101.             uiResizeFt->handle                = this;

  4102.             uiResizeFt->ui_resize             = carla_lv2_ui_resize;

  4103. 

  4104.             LV2_External_UI_Host* const uiExternalHostFt = new LV2_External_UI_Host;

  4105.             uiExternalHostFt->ui_closed                  = carla_lv2_external_ui_closed;

  4106.             uiExternalHostFt->plugin_human_id            = strdup(guiTitle.toUtf8().constData());

  4107. 

  4108.             features[lv2_feature_id_data_access]           = new LV2_Feature;

  4109.             features[lv2_feature_id_data_access]->URI      = LV2_DATA_ACCESS_URI;

  4110.             features[lv2_feature_id_data_access]->data     = uiDataFt;

  4111. 

  4112.             features[lv2_feature_id_instance_access]       = new LV2_Feature;

  4113.             features[lv2_feature_id_instance_access]->URI  = LV2_INSTANCE_ACCESS_URI;

  4114.             features[lv2_feature_id_instance_access]->data = handle;

  4115. 

  4116.             features[lv2_feature_id_ui_parent]             = new LV2_Feature;

  4117.             features[lv2_feature_id_ui_parent]->URI        = LV2_UI__parent;

  4118.             features[lv2_feature_id_ui_parent]->data       = nullptr;

  4119. 

  4120.             features[lv2_feature_id_ui_port_map]           = new LV2_Feature;

  4121.             features[lv2_feature_id_ui_port_map]->URI      = LV2_UI__portMap;

  4122.             features[lv2_feature_id_ui_port_map]->data     = uiPortMapFt;

  4123. 

  4124.             features[lv2_feature_id_ui_resize]             = new LV2_Feature;

  4125.             features[lv2_feature_id_ui_resize]->URI        = LV2_UI__resize;

  4126.             features[lv2_feature_id_ui_resize]->data       = uiResizeFt;

  4127. 

  4128.             features[lv2_feature_id_external_ui]           = new LV2_Feature;

  4129.             features[lv2_feature_id_external_ui]->URI      = LV2_EXTERNAL_UI__Host;

  4130.             features[lv2_feature_id_external_ui]->data     = uiExternalHostFt;

  4131. 

  4132.             features[lv2_feature_id_external_ui_old]       = new LV2_Feature;

  4133.             features[lv2_feature_id_external_ui_old]->URI  = LV2_EXTERNAL_UI_DEPRECATED_URI;

  4134.             features[lv2_feature_id_external_ui_old]->data = uiExternalHostFt;

  4135. 

  4136.             // -------------------------------------------------------

  4137.             // initialize ui

  4138. 

  4139.             switch (uiType)

  4140.             {

  4141.             case LV2_UI_QT4:

  4142.                 qDebug("Will use LV2 Qt4 UI");

  4143.                 gui.type      = GUI_INTERNAL_QT4;

  4144.                 gui.resizable = isUiResizable();

  4145.                 ui.handle     = ui.descriptor->instantiate(ui.descriptor, descriptor->URI, ui.rdf_descriptor->Bundle, carla_lv2_ui_write_function, this, &ui.widget, features);

  4146.                 m_hints      |= PLUGIN_USES_SINGLE_THREAD;

  4147.                 break;

  4148. 

  4149.             case LV2_UI_COCOA:

  4150.                 qDebug("Will use LV2 Cocoa UI");

  4151.                 gui.type      = GUI_INTERNAL_COCOA;

  4152.                 gui.resizable = isUiResizable();

  4153.                 break;

  4154. 

  4155.             case LV2_UI_WINDOWS:

  4156.                 qDebug("Will use LV2 Windows UI");

  4157.                 gui.type      = GUI_INTERNAL_HWND;

  4158.                 gui.resizable = isUiResizable();

  4159.                 break;

  4160. 

  4161.             case LV2_UI_X11:

  4162.                 qDebug("Will use LV2 X11 UI");

  4163.                 gui.type      = GUI_INTERNAL_X11;

  4164.                 gui.resizable = isUiResizable();

  4165.                 break;

  4166. 

  4167.             case LV2_UI_GTK2:

  4168. #ifdef HAVE_SUIL

  4169.                 qDebug("Will use LV2 Gtk2 UI (suil)");

  4170.                 gui.type      = GUI_EXTERNAL_SUIL;

  4171.                 gui.resizable = isUiResizable();

  4172.                 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);

  4173.                 m_hints      |= PLUGIN_USES_SINGLE_THREAD;

  4174. 

  4175.                 if (suil.handle)

  4176.                 {

  4177.                     ui.handle     = ((SuilInstanceImpl*)suil.handle)->handle;

  4178.                     ui.descriptor = ((SuilInstanceImpl*)suil.handle)->descriptor;

  4179.                     ui.widget     = suil_instance_get_widget(suil.handle);

  4180. 

  4181.                     if (ui.widget)

  4182.                     {

  4183.                         QWidget* const widget = (QWidget*)ui.widget;

  4184.                         widget->setWindowTitle(guiTitle);

  4185.                     }

  4186.                 }

  4187. #else

  4188.                 qDebug("Will use LV2 Gtk2 UI, NOT!");

  4189. #endif

  4190.                 break;

  4191. 

  4192.             case LV2_UI_GTK3:

  4193.                 qDebug("Will use LV2 Gtk3 UI, NOT!");

  4194.                 break;

  4195. 

  4196.             case LV2_UI_EXTERNAL:

  4197.             case LV2_UI_OLD_EXTERNAL:

  4198.                 qDebug("Will use LV2 External UI");

  4199.                 gui.type = GUI_EXTERNAL_LV2;

  4200.                 break;

  4201.             }

  4202.         }

  4203. 

  4204.         if (gui.type != GUI_NONE)

  4205.             m_hints |= PLUGIN_HAS_GUI;

  4206. 

  4207.         return true;

  4208.     }

  4209. 

  4210. private:

  4211.     LV2_Handle handle, h2;

  4212.     const LV2_Descriptor* descriptor;

  4213.     const LV2_RDF_Descriptor* rdf_descriptor;

  4214.     LV2_Feature* features[lv2_feature_count+1];

  4215. 

  4216.     struct {

  4217.         const LV2_State_Interface* state;

  4218.         const LV2_Worker_Interface* worker;

  4219.         const LV2_Programs_Interface* programs;

  4220.         const LV2_Programs_UI_Interface* uiprograms;

  4221.     } ext;

  4222. 

  4223.     struct {

  4224.         void* lib;

  4225.         LV2UI_Handle handle;

  4226.         LV2UI_Widget widget;

  4227.         const LV2UI_Descriptor* descriptor;

  4228.         const LV2_RDF_UI* rdf_descriptor;

  4229.     } ui;

  4230. 

  4231.     struct {

  4232.         GuiType type;

  4233.         bool resizable;

  4234.         int width;

  4235.         int height;

  4236.     } gui;

  4237. 

  4238. #ifdef HAVE_SUIL

  4239.     struct {

  4240.         SuilHost* host;

  4241.         SuilInstance* handle;

  4242.         QByteArray pos;

  4243.     } suil;

  4244. #endif

  4245. 

  4246.     Lv2PluginEventData evIn;

  4247.     Lv2PluginEventData evOut;

  4248.     float* paramBuffers;

  4249.     std::vector<const char*> customURIDs;

  4250. };

  4251. 

  4252. CarlaPlugin* CarlaPlugin::newLV2(const initializer& init)

  4253. {

  4254.     qDebug("CarlaPlugin::newLV2(%p, \"%s\", \"%s\", \"%s\")", init.engine, init.filename, init.name, init.label);

  4255. 

  4256.     short id = init.engine->getNewPluginId();

  4257. 

  4258.     if (id < 0 || id > MAX_PLUGINS)

  4259.     {

  4260.         setLastError("Maximum number of plugins reached");

  4261.         return nullptr;

  4262.     }

  4263. 

  4264.     Lv2Plugin* const plugin = new Lv2Plugin(init.engine, id);

  4265. 

  4266.     if (! plugin->init(init.filename, init.name, init.label))

  4267.     {

  4268.         delete plugin;

  4269.         return nullptr;

  4270.     }

  4271. 

  4272.     plugin->reload();

  4273. 

  4274. #ifndef BUILD_BRIDGE

  4275.     if (carlaOptions.processMode == PROCESS_MODE_CONTINUOUS_RACK)

  4276.     {

  4277.         const uint32_t ins  = plugin->audioInCount();

  4278.         const uint32_t outs = plugin->audioOutCount();

  4279. 

  4280.         if (ins > 2 || outs > 2 || (ins != outs && ins != 0 && outs != 0))

  4281.         {

  4282.             setLastError("Carla's rack mode can only work with Mono or Stereo LV2 plugins, sorry!");

  4283.             delete plugin;

  4284.             return nullptr;

  4285.         }

  4286.     }

  4287. #endif

  4288. 

  4289.     plugin->registerToOsc();

  4290.     plugin->updateUi();

  4291. 

  4292.     return plugin;

  4293. }

  4294. 

  4295. /**@}*/

  4296. 

  4297. // -------------------------------------------------------------------------------------------------------------------

  4298. 

  4299. int CarlaOsc::handle_lv2_atom_transfer(CARLA_OSC_HANDLE_ARGS2)

  4300. {

  4301.     qDebug("CarlaOsc::handle_lv2_atom_transfer()");

  4302.     CARLA_OSC_CHECK_OSC_TYPES(2, "ss");

  4303. 

  4304.     const char* const type  = (const char*)&argv[0]->s;

  4305.     const char* const value = (const char*)&argv[1]->s;

  4306. 

  4307.     QByteArray chunk;

  4308.     chunk = QByteArray::fromBase64(value);

  4309. 

  4310.     const LV2_Atom* const atom = (LV2_Atom*)chunk.constData();

  4311. 

  4312.     CarlaBackend::Lv2Plugin* const lv2plugin = (CarlaBackend::Lv2Plugin*)plugin;

  4313.     lv2plugin->handleTransferAtom(atom, type);

  4314. 

  4315.     return 0;

  4316. }

  4317. 

  4318. int CarlaOsc::handle_lv2_event_transfer(CARLA_OSC_HANDLE_ARGS2)

  4319. {

  4320.     qDebug("CarlaOsc::handle_lv2_event_transfer()");

  4321.     CARLA_OSC_CHECK_OSC_TYPES(2, "ss");

  4322. 

  4323.     const char* const type  = (const char*)&argv[0]->s;

  4324.     const char* const value = (const char*)&argv[1]->s;

  4325. 

  4326.     QByteArray chunk;

  4327.     chunk = QByteArray::fromBase64(value);

  4328. 

  4329.     const LV2_Atom* const atom = (LV2_Atom*)chunk.constData();

  4330. 

  4331.     CarlaBackend::Lv2Plugin* const lv2plugin = (CarlaBackend::Lv2Plugin*)plugin;

  4332.     lv2plugin->handleTransferEvent(atom, type);

  4333. 

  4334.     return 0;

  4335. }

  4336. 

  4337. CARLA_BACKEND_END_NAMESPACE